1 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4 UNITS_PER_WORD. Change caller initial_elimination_offset.
5 (rounded_frame_size): Take into account that argument pushed has
6 changed. Fix TARGET_ALIGN_DOUBLE problem.
8 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10 * haifa-sched.c (schedule_block): Explain the real reason
11 we delete REG_SAVE_NOTEs on the first insn of a block.
12 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14 2000-02-24 Mark Mitchell <mark@codesourcery.com>
16 * input.h (push_srcloc): New function.
17 (pop_srcloc): Likewise.
18 * toplev.c (push_srcloc): Define it.
19 (pop_srcloc): Likewise.
21 2000-02-24 Richard Henderson <rth@cygnus.com>
23 * flow.c (life_analysis): When collecting reg info, clear
26 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
28 Fix bug exposed by reload.c no longer rounding the frame
29 size to BIGGEST_ALIGNMENT:
30 * sh.c (rounded_frame_size): New function.
31 (sh_expand_prologue, sh_expand_epilogue): Use it.
32 (initial_elimination_offset): Likewise.
34 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
36 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
37 * sh-protos.h (sh_need_epilogue): Declare.
38 * sh.c (sh_need_epilogue_known): New static variable.
39 (sh_need_epilogue): New function.
40 (function_epilogue): Clear need_epilogue_known.
41 * sh.md (return): Split into expander / insn pattern.
42 Make the expander conditional on ! sh_need_epilogue ().
44 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
46 * machmode.h (get_mode_alignment): Declare.
47 (GET_MODE_ALIGNMENT): Call it.
48 * stor-layout.c (get_mode_alignment): New function. Make
49 sure alignment is always power of 2.
51 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
53 * i386.h: Remove useless definition of "I386" and misleading
56 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
58 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
59 under which TREE_PERMANENT will be set.
60 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
61 build1): Use TREE_SET_PERMANENT.
62 * print-tree.c (print_node): Don't report value of
63 TREE_PERMANENT if ggc_p is true.
65 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
66 decide whether to give a type a new alias set.
67 * objc/objc-act.c (build_objc_string_object): Never copy the string.
68 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
69 of value of 'obstack'.
72 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
74 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
76 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
78 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
79 * cpplib.c (cpp_get_token): Produce them.
80 * cppexp.c (cpp_lex): Handle them.
82 2000-02-23 Nick Clifton <nickc@cygnus.com>
84 * config/arm/arm.c (arm_comp_type_attributes): Simply and
85 comment tests on type attributes.
87 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
89 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
90 conform to documentation.
91 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
92 to check for special cases.
93 * sh-protos.h (sh_loop_align): Declare.
94 * sh.c (sh_loop_align): Define.
96 2000-02-22 Andrew Haley <aph@cygnus.com>
98 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
99 (SIZE_TYPE): Is 32 bits when using -mgp32.
100 (PTRDIFF_TYPE): Ditto.
102 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
104 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
106 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
108 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
109 BIGGEST_FIELD_ALIGNMENT a constant.
111 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
113 * dwarf2out.c (output_line_info): Put the marker for the end of
114 the line number info at the actual end.
115 (gen_struct_or_union_type_die): Use decl_function_context
116 to check for local classes.
117 * dwarfout.c (output_type): Likewise.
119 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
121 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
122 for arguments with a mode, but no type.
123 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
124 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
125 * pa/long_double.h: New file.
126 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
127 both have 128bit wide long doubles.
128 * configure: Rebuilt.
130 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
132 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
134 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
135 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
136 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
138 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
140 * integrate.c (compare_blocks, find_block): Likewise.
142 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
144 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
146 * stmt.c (stmt_status, set_file_and_line_for_stmt,
147 expand_asm_operands): Likewise.
149 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
151 * predict.c (estimate_probability): Added the pointer heuristic to
152 the collection of static branch predictors.
154 2000-02-21 Catherine Moore <clm@cygnus.com>
156 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
157 * invoke.texi (-mfix7000): Document.
159 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
161 * diagnostic.c (init_output_buffer): Make it possible to output at
162 least 32 characters if we're given a too long prefix.
164 2000-02-20 Mark Mitchell <mark@codesourcery.com>
166 * varasm.c (initializer_constant_valid_p): Call
167 lang_expand_constant to simplify the constant.
169 2000-02-20 Bruce Korb <bkorb@gnu.org>
171 * fixinc/inclhack.def(stdio_va_list):
172 typedef needs to be disabled.
173 * fixinc/inclhack.sh: regen
174 * fixinc/fixincl.x: regen
176 2000-02-20 Geoff Keating <geoffk@cygnus.com>
178 * print-rtl.c (print_rtx): Don't print addresses when
179 flag_dump_unnumbered.
181 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * sparc.c (sparc_output_scratch_registers): Mark parameter with
185 (sparc_va_arg, sparc_flat_output_function_prologue,
186 sparc_flat_output_function_epilogue): Cast value to unsigned in
188 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
190 * sparc.md: Add default case in switch.
192 2000-02-19 Richard Henderson <rth@cygnus.com>
194 * c-typeck.c (add_pending_init): Don't abort for multiple
195 fields at the same offset.
196 (pending_init_member): Test the correct member.
198 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
200 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
202 (start_catch_handler) : Same.
204 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
206 * Makefile.in: Have flow.o depend on $(EXPR_H)
208 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
210 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
211 * c-decl.c (duplicate_decls, finish_enum): Likewise.
212 (finish_decl): Remove -Wlarger-than code from here.
213 * flags.h (id_clash_len): Now int.
214 (larger_than_size): Now HOST_WIDE_INT.
215 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
216 Clean up checking to see if in table.
217 (make_bit_field_ref): Remove extra parm to bitsize_int.
218 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
219 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
220 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
221 and for computing size of decl.
222 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
223 Move -Wlarger-than code to here.
224 (layout_record): Remove extra arg to bitsize_int.
225 Set TYPE_BINFO_SIZE_UNIT.
226 (layout_union): Remove extra arg to bitsize_int.
227 Use proper type for size of QUAL_UNION.
228 (layout_type): Remove extra arg to bitsize_int.
229 * toplev.c (id_clash_len): Now int.
230 (larger_than_size): Now HOST_WIDE_INT.
231 (decode_W_option): Clean up id-clash and larger-than- cases.
232 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
233 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
234 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
235 (struct tree_decl): New field size_unit.
236 (size_int_wide): No HIGH operand; NUMBER is now signed.
237 (size_int_2): Deleted.
238 (size_int, bitsize_int): Don't use it and rework args.
239 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
241 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
243 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
245 2000-02-18 Geoff Keating <geoffk@cygnus.com>
247 * invoke.texi (Warning Options): Add an explanation of why
248 you might want the -Wfloat-equal flag.
250 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
252 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
253 * cppinit.c (new_pending_define): Add cast to avoid warning.
254 * expmed.c (extract_bit_field): Likewise.
255 * flow.c (enum reorder_skip_type): New type.
256 (skip_insns_between_blcok): New it.
257 Rework to avoid warning about possibly undefined variable.
258 * function.c (assign_parms): Make thisparm_boundary unsigned.
259 * genrecog.c (write_switch): Cast XWINT result to int.
260 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
261 * mips-tfile.c (init_file): Make two versions of FDR intializer:
262 one for MIPS and one for Alpha.
263 (get_tag, copy_object): Add casts to avoid warnings.
264 * optabs.c (init_one_libfunc): Cast NAME to (char *).
265 * reload.c (find_reloads): Make TYPE enum reload_type.
266 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
267 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
268 * varasm.c (compare_constant_1): Add cast to avoid warning.
269 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
271 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
272 Cast switch operand of size to int.
273 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
274 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
277 2000-02-18 Nick Clifton <nickc@cygnus.com>
279 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
280 anything for an alignment of zero.
282 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
283 anything for an alignment of zero.
285 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
287 * gcc.texi (Bug Reporting): Refer to bugs.html.
288 (Bug Lists): Likewise.
289 * system.h (GCCBUGURL): New preprocessor define.
290 * rtl.c (fancy_abort): Use it.
291 * gcc.c (main): Likewise.
293 2000-02-18 Richard Henderson <rth@cygnus.com>
295 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
296 (life_analysis_1): Subsume into ...
297 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
298 Use update_life_info for the relaxation.
299 (update_life_info): Update REG_BASIC_BLOCK for registers live on
300 entry and regs_live_at_setjmp.
301 (set_noop_p): Simplify.
302 (notice_stack_pointer_modification_1): Renamed from s/_1//.
303 (record_volatile_insns): Split into ...
304 (delete_noop_moves): ... here,
305 (notice_stack_pointer_modification): ... here,
306 (insn_dead_p): ... and here.
307 (propagate_block): Don't query INSN_VOLATILE.
308 (mark_used_regs): Mind !PROP_REG_INFO.
309 * toplev.c (rest_of_compilation): Call mark_constant_function here,
310 not in life_analysis.
312 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
314 * loop.c (canonicalize_condition): New function,
315 broken out of get_condition.
316 (get_condition): Use it.
317 * expr.h (canonicalize_condition): Prototype it.
319 * tree.h (tree_int_cst_msb): Declare.
320 * tree.c (tree_int_cst_msb): New function.
322 2000-02-17 Mark Mitchell <mark@codesourcery.com>
324 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
327 * invoke.texi (-fmessage-length=n): Document.
329 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
331 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
333 2000-02-17 Mark Mitchell <mark@codesourcery.com>
335 * function.c (thread_prologue_and_epilogue_insns): Put a line note
338 2000-02-17 Nick Clifton <nickc@cygnus.com>
340 * config/arm/thumb.c: Replace includes of system headers with
343 2000-02-16 Richard Henderson <rth@cygnus.com>
345 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
346 Add crtbeginS.o and crtendS.o.
347 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
348 (ENDFILE_SPEC): Use crtendS.o.
349 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
351 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
352 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
354 (__dso_handle): New variable.
355 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
356 bias to __CTOR_END__.
358 2000-02-16 Richard Henderson <rth@cygnus.com>
360 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
362 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
364 * longlong.h (__clz_tab): Declare as static to match definition.
366 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
367 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
368 (XREF_FILE_NAME): Define.
370 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
371 (EH_FRAME_SECTION_ASM_OP): Define.
372 (IDENT_ASM_OP): Define.
373 (TEXT_SECTION_ASM_OP): Define.
375 (CTORS_SECTION_ASM_OP): Define.
376 (CTOR_SECTION_FUNCTION): Use it.
377 (DTORS_SECTION_ASM_OP): Define.
378 (DTOR_SECTION_FUNCTION): Use it.
380 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
382 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
385 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
386 debug_bb_n): New functions.
387 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
388 * basic-block.h: Prototype new functions.
390 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
392 * configure.in: Add support for avr target.
393 * configure: Rebuilt.
395 * invoke.texi: Add AVR invocation docs.
396 * install.texi: Add information about AVR.
397 * md.texi: Add AVR constraint letters description.
398 * extend.texi: Add description for AVR specific attributes.
400 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
402 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
404 2000-02-16 Nick Clifton <nickc@cygnus.com>
406 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
407 (make_insn_raw): Move RTL check here.
409 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
411 * version.c: Include gansidecl.h and version.h.
413 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
415 * configure.in (gcc_version): When setting, narrow search to
416 lines containing `version_string'.
418 * Makefile.in (mainversion): Likewise.
419 (GCC_H): New variable.
420 (gcc.h): Delete target.
421 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
422 (version.o): Depend on version.h.
423 (dbxout.o): Don't depend on gcc.h.
425 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
426 Michael Meissner <meissner@cygnus.com>
428 * md.texi (Simple Constraints): Add item about whitespace.
429 * genoutput.c (strip_whitespace): New.
430 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
431 strip_whitespace for constraints.
432 Test pointer using NULL, not 0.
434 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
436 * cpplib.c (do_line): Pedwarn for #line > 32767.
438 * c-lex.c (readescape): Warn about '\x', but do not reject it.
440 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
442 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
444 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
445 * cpp.texi: Document __GNUC_PATCHLEVEL__.
448 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
451 2000-02-15 Denis Chertykov <denisc@overta.ru>
453 * configure.in: Add support for avr target.
455 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
457 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
458 (sh_addr_diff_vec_mode): Don't declare.
459 * sh.c (sh_addr_diff_vec_mode): Delete.
461 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
463 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
465 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
467 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
468 (smulsi3_highpart_i): Name.
469 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
470 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
471 (smulsi3_highpart, umulsi3_highpart): Likewise.
473 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
474 correctly independent of endianness.
475 (mulsidi3, umulsidi3): Now define_insn. Hide details that
476 confuse the optimizers.
477 (mulsidi3+1, umulsidi3+1): New define_split.
479 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
481 * config/sh/sh.md: Guard insn splits against illegal registers.
482 * config/sh/sh.h: Correct comment about macros.
484 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
485 Andrew MacLeod <amacleod@cygnus.com>
487 * Makefile.in (lcm.o): Depend on insn-attr.h.
488 * basic-block.h (optimize_mode_switching): Declare.
489 * lcm.c (tm_p.h, insn-attr.h): #include.
490 (seginfo, bb_info): New structs.
491 (antic, transp, comp, delete, insert) : New file-scope static variables.
492 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
493 (reg_becomes_live, optimize_mode_switching): Likewise.
494 * tm.texi: Add description of mode switching macros.
495 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
497 * sh-protos.h (remove_dead_before_cse): Remove prototype.
498 (fldi_ok, fpscr_set_from_mem): New prototypes.
499 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
500 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
501 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
502 (sh_flag_remove_dead_before_cse): Remove declaration.
503 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
504 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
505 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
506 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
507 (barrier_align): Allow for JUMP_INSNS containing a parallel.
508 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
509 (fldi_ok): New function.
510 (get_fpscr_rtx): Add fpscr_rtx as GC root.
511 (emit_sf_insn): Only generate fpu switches when optimize < 1.
512 (emit_df_insn): Likewise.
513 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
514 (sh_flag_remove_dead_before_cse): Delete.
515 (get_free_reg, fpscr_set_from_mem): New functions.
516 * sh.md (movdf, movsf): Remove no_new_pseudos code.
517 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
519 2000-02-15 Loren Rittle <ljrittle@acm.org>
521 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
523 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
525 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
526 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
528 * cccp.c: Include version.h and/or don't declare `version_string'.
529 * collect2.c: Likewise.
531 * arm/aof.h: Likewise.
532 * arm/coff.h: Likewise.
533 * arm/elf.h: Likewise.
534 * arm/pe.h: Likewise.
535 * arm/tcoff.h: Likewise.
536 * arm/telf.h: Likewise.
537 * arm/tpe.h: Likewise.
538 * arm/vxarm.h: Likewise.
539 * convex/convex.c: Likewise.
540 * i386/dgux.c: Likewise.
541 * i386/sun386.h: Likewise.
542 * m88k/m88k.c: Likewise.
543 * mcore/mcore-pe.h: Likewise.
544 * mips/mips.h: Likewise.
545 * romp/romp.h: Likewise.
547 * cpphash.c: Likewise.
548 * cppinit.c: Likewise.
549 * dwarf2out.c: Likewise.
550 * dwarfout.c: Likewise.
553 * mips-tfile.c: Likewise.
554 * protoize.c: Likewise.
555 * toplev.c: Likewise.
558 * version.c (version_string): Constify a char*.
560 * version.h: New file.
562 2000-02-14 Nick Clifton <nickc@cygnus.com>
564 * configure.in: Add mcore-elf and mcore-pe targets.
565 * configure: Regenerate.
567 * NEWS: Add note that MCore port has been contributed.
569 * invoke.texi: Document command line switches for MCore port.
570 * install.texi: Add MCore to list of supported targets.
572 2000-02-14 Geoff Keating <geoffk@cygnus.com>
574 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
575 then we will need to import the frame handling functions.
576 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
577 to import the frames themselves.
579 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
580 Jason Eckhardt <jle@cygnus.com>
582 * basic_block.h: Added prototype for reorder_basic_blocks.
583 * toplev.c: Changes to add -freorder-blocks and graph dump after
584 block reordering is done.
585 * flow.c (reorder_block_def): New structure for use during block
587 (REORDER_BLOCK_*): New macros to access members of above structure.
588 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
589 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
590 functions for block reordering.
592 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
594 * gcc.texi (Passes): Fix typo.
595 * md.texi (Standard Names): Ditto.
596 * tm.texi (Storage Layout): Ditto.
598 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
600 * cpplib.c (do_define): Only free the old definition if it
603 2000-02-13 Neil Booth <NeilB@earthling.net>
605 * cppfiles.c (read_and_prescan): When emitting deferred
606 newlines, test speccase[] again instead of checking each
607 possible whitespace character in turn. When we encounter \r,
608 look behind for \n first, then ahead.
610 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
612 * cse.c (cse_altered): New internal flag.
613 (cse_insn): Set it if we changed an insn.
614 (cse_main): Clear cse_altered before each basic block.
615 Only garbage collect if cse_altered is true afterward.
617 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
619 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
621 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
623 * combine.c (simplify_comparison): Fix typo.
625 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
627 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
630 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
632 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
633 previously inserted node instead of root node. Caller changed.
635 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
637 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
639 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
641 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
642 __dereg_frame_dtor): Add prototype argument.
644 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
646 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
648 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
650 * gthr-vxworks.h (__gthread_once): Likewise.
652 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
654 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
656 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
657 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
658 stack pointer in functions w/o saved registers, output LEAVE more often
659 on TARGET_USE_LEAVE machines.
661 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
663 * config/arm/arm.c (arm_init_cumulative_args); New function:
664 Initlaise the CUMULATIE_ARGS strcuture for a function
666 (arm_function_arg): New function: Determine where to place a
667 function's argument. Also handles deciding the function's
669 (current_file_function_operand): New function: Return true if
670 the symbol is a function which has already been compiled.
671 (arm_is_long_call_p): New function: Return true if the
672 indicated function should be called via a long call.
673 (arm_valid_type_attribute_p): New function: Return true if the
674 attribute is a valid, arm specific, attribute.
675 (arm_comp_type_attribute): New function: Return true if the
676 two types have compatable, arm specific, attributes.
678 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
680 (FUNCTION_ARG): Redefine to call arm_function_arg.
681 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
683 (INIT_CUMULATIVE_ARGS): Redefine to call
684 arm_init_cumulative_args.
685 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
687 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
689 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
691 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
692 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
693 (COMP_TYPE_ATTRIBUTES): Define.
695 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
696 if a long call is needed.
697 (call_value): Call arm_is_long_call_p to decide if a long call
699 (call_symbol): Call arm_is_long_call_p to decide if a long call
702 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
704 2000-02-11 Denis Chertykov <denisc@overta.ru>
706 * README.AVR: New file with information about the avr ports.
707 * config/avr: New directory with avr port files.
709 2000-02-11 Andreas Jaeger <aj@suse.de>
711 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
713 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
715 * cpphash.c: Fix formatting, update commentary.
716 (dump_definition): Take three separate arguments instead of a
717 MACRODEF structure argument.
718 * cpphash.h: Update prototype of dump_definition.
719 * cppinit.c (cpp_finish): Update call of dump_definition.
721 * cpplib.c (do_define): Always create new hash entry with
722 T_MACRO type. Remove redundant check for redefinition of
723 poisoned identifier. Update call of dump_definition.
724 (do_undef): Don't call check_macro_name. Rename sym_length to
726 (do_error, do_warning): Don't use copy_rest_of_line or
728 (do_warning): Don't use pedwarn for the actual warning,
729 only the notice about its not being in the standard. (Fixes
730 bug with #warning in system headers.)
731 (do_ident): Stricter argument checking - accept only a single
732 string after #ident. Also, macro-expand the line.
733 (do_xifdef): Use cpp_defined. De-obfuscate.
735 (do_pragma): Split out specific pragma handling to separate
736 functions. Use get_directive_token. Update commentary. Do
737 not pass on #pragma once or #pragma poison to the front end.
738 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
739 do_pragma_default): New.
741 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
743 * jump.c (jump_optimize_1): The first operand in a relational
745 * optabs.c (emit_conditional_move): Handle relationals which
746 have a known true/false result.
748 2000-02-11 Geoff Keating <geoffk@cygnus.com>
750 * function.c (thread_prologue_and_epilogue_insns): Don't insert
751 a RETURN insn into a block which already ends with a jump.
753 2000-02-11 Geoff Keating <geoffk@cygnus.com>
755 * haifa-sched.c (BUF_LEN): Increase a lot.
757 2000-02-11 Nick Clifton <nickc@cygnus.com>
759 * configure.in: Add tm_p_file specification for thumb targets.
760 * configure: Regenerate.
762 * config/arm/thumb-protos.h: New file: Prototypes for exported
763 functions defined in thumb.c.
765 2000-02-11 Robert Lipe <robertl@sco.com>
767 * Makefile.in (bootstrap-lean): Remove additional files.
768 (bootstrap2-lean): Likewise.
769 (VOL_FILES): List of files for above.
771 2000-02-11 Nathan Sidwell <nathan@acm.org>
773 * cpphash.c (special_symbol): Remove spurious argument to
776 2000-02-11 Joel Sherrill (joel@OARcorp.com>
778 * configure.in: (i*86-*-rtems*): Swapped elf and coff
780 * configure: Rebuilt.
782 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
784 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
786 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
788 * pa.c, pa.h: Remove trigraph sequences within comments.
790 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
792 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
794 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
796 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
798 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
800 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
802 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
804 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
805 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
806 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
807 (ASM_FILE_END): Use c4x_file_end.
808 * config/c4x/c4x.c (c4x_global_label): New function.
809 (c4x_external_ref, c4x_file_end): Likewise.
811 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
812 (c4x_external_ref, c4x_end_file): Likewise.
814 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
816 * cppexp.c: Don't include cpphash.h.
817 (parse_charconst, cpp_lex): Use cpp_defined.
818 (cpp_lex): Use get_directive_token throughout. Remove
819 unnecessary cases from switch. Move assertion-handling code
821 (cpp_parse_expr): If we see '+' or '-', check the context to
822 determine if they are unary or binary operators. Streamline
823 the jumps a bit. Do not call skip_rest_of_line.
825 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
826 static. Export get_directive_token. Update commentary.
827 (cpp_defined): New function.
828 (do_define): Remove reference to T_PCSTRING. Call
829 free_definition to release memory for old definition, when
831 (eval_if_expression): Set only_seen_white to 0 before calling
832 cpp_parse_expr. Call skip_rest_of_line after it returns.
833 (cpp_read_check_assertion): Don't preserve a pointer into the
834 token buffer across a call to cpp_get_token.
836 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
837 * cppfiles.c (redundant_include_p): Use cpp_defined.
838 * cpphash.c (free_definition): New function.
839 (delete_macro): Use it. Update commentary.
840 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
842 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
843 from enum node_type. Prototype cpp_defined and get_directive_token.
844 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
846 * fix-header.c (check_macro_names): Use cpp_defined.
847 (read_scan_file): Set inhibit_warnings and inhibit_errors in
848 the options structure.
850 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
852 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
854 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
856 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
857 rather than die->die_tag.
859 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
861 * combine.c (make_extraction, force_to_mode): Avoid warning on
862 mixed-signedness conditionals.
863 (make_field_assignment, nonzero_bits): Likewise.
864 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
865 (store_split_bit_field, extract_split_bit_field): Likewise.
866 (extract_fixed_bit_field, store_bit_field,
867 * expr.c: Change alignment to be unsigned everywhere.
868 (move_by_pieces, store_constructor_field, store_constructor):
869 Alignment parm is unsigned.
870 (emit_block_move, emit_group_load, emit_group_store): Likewise.
871 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
872 (do_compare_rtx_and_jump): Likewise.
873 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
874 Compare align with GET_MODE_ALIGNMENT.
875 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
876 (get_inner_reference): Likewise.
877 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
878 (expand_assignment): Local vars for alignment now unsigned.
879 (store_constructor, store_field, expand_expr, do_jump): Likewise.
880 (do_compare_and_jump): Likewise.
881 (store_field): Call new function expr_align.
882 * expr.h (emit_block_move, emit_group_load, emit_group_store):
883 Alignment arg now unsigned.
884 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
885 (do_compare_rtx_and_jump, store_bit_field): Likewise.
886 (extract_bit_field): Likewise.
887 * fold-const.c (add_double): Add cast to eliminate signedness warning.
888 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
889 (get_best_mode): Alignment arg is unsigned.
890 * rtl.h (move_by_pieces): Likewise.
891 * store-layout.c (maximum_field_alignment, set_alignment):
893 (layout_decl): Alignment arg is now unsigned.
894 Remove unneeded casts.
895 (layout_record, layout_union, layout_type): Remove unneeded casts.
896 Local alignment variables now unsigned.
897 (get_best_mode): Alignment arg now unsigned.
898 * tree.c (expr_align): New function.
899 * tree.h (expr_align): Likewise.
900 (maximum_field_alignment, set_alignment): Now unsigned.
901 (get_inner_reference): Alignment argument is now pointer to unsigned.
902 * varasm.c (assemble_variable): Add cast to eliminate warning.
904 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
906 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
907 then store directly into op0.
909 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
910 the CALL_INSN, and emit the note immediately after it.
912 2000-02-10 Nick Clifton <nickc@cygnus.com>
914 * config/arm/thumb.md (epilogue): Include a (return) in the
915 generated insn, and emit it using emit_jump_insn not
918 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
920 * function.c (assign_temp): Change zero-sized arrays to size 1.
921 * integrate.c (expand_inline_function): Do not update
922 stack_alignment_needed
923 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
924 add some sanity checking, remove optimization for function with
927 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
929 * flow.c (mark_regs_live_at_end): Delete unused variables.
931 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
933 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
934 in macro FRAME_GROWS_DOWNWARD.
936 * stmt.c (expand_end_bindings): Delete unused variable.
938 * unroll.c (iteration_info): Mark parameter `loop' with
941 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
943 * fixinc/server.c (load_data): Return NULL if the marker line is
945 (run_shell): If load_data returns NULL, retry the command once, in
948 * configure: Rebuilt.
950 2000-02-09 Bruce Korb <bkorb@gnu.org>
952 * gcc/fixincludes: ** DELETED **
953 * gcc/fixcpp: ** DELETED **
954 * gcc/fixinc-nt.sed: ** DELETED **
955 * gcc/just-fixinc: ** DELETED **
956 * gcc/Makefile.in: Removed out-dated commentary
957 * gcc/configure.in: Removed fast-fixincludes disablement.
958 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
960 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
961 * function.c (thread_prologue_and_epilogue_insns): Uncomment
964 2000-02-09 Richard Henderson <rth@cygnus.com>
966 * jump.c (delete_insn): Don't delete user labels at -O0.
968 2000-02-09 Robert Lipe <robertl@sco.com>
970 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
971 Don't link with HOST_LIBS.
973 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
975 * configure.in: Correct --help text for --with-dwarf2.
976 Put tm-dwarf2.h after other tm files, if it's requested.
977 * configure: Regenerate.
978 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
981 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
983 * cpplib.h: Provide HASHNODE typedef and forward decl of
984 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
985 DEFINITION, struct hashnode, struct macrodef, struct
986 definition, scan_decls prototype, default defn of
987 INCLUDE_LEN_FUDGE moved elsewhere.
989 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
990 definition, and struct hashnode moved here. Remove the unused
991 'predefined' field from struct definition. Replace the 'args'
992 union with its sole member. All users updated (cpphash.c).
993 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
994 multiple include guard.
996 * cpphash.c (hashf): Make static; use better algorithm; drop
997 HASHSIZE parameter; return an unsigned int.
998 (cpp_lookup): Drop HASH parameter. PFILE parameter is
999 used. Calculate HASHSIZE modulus here.
1000 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
1002 (create_definition): Drop PREDEFINITION parameter.
1003 * cpplib.c (do_define): Don't calculate a hash value here.
1004 Don't pass (keyword == NULL) to create_definition.
1006 * scan.h: Prototype scan_decls here.
1007 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
1008 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
1009 callers of cpp_lookup and cpp_install updated.
1011 * cpphash.c (macarg): Hoist all the flag diddling out of the
1013 (macroexpand): ... and out of the loop that calls macarg.
1014 Skip over the initial paren before macro arguments with
1015 cpp_get_non_space_token; point may be some distance before
1016 that paren. Abort if it's not there.
1018 * cpplib.c (parse_clear_mark): Delete function.
1019 (parse_set_mark, parse_goto_mark): Make static.
1020 (ACTIVE_MARK_P): New macro.
1021 (skip_block_comment, skip_line_comment): Do not bump the line
1022 if ACTIVE_MARK_P is true.
1023 (cpp_pop_buffer): The buffer to be popped may not have an
1025 (cpp_get_token): When looking for the initial paren before
1026 macro arguments, only set a mark in a file buffer, Always
1027 return to that mark before proceeding to call macroexpand or
1028 return a NAME token.
1030 * cpplib.h: Remove prototypes of parse_set_mark,
1031 parse_clear_mark, parse_goto_mark.
1032 (struct cpp_options): Rename 'put_out_comments' to
1033 'discard_comments' and invert its sense.
1034 * cppinit.c, cpphash.c, cpplib.c: All users of
1035 put_out_comments changed to use discard_comments, with
1038 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
1040 * function.c (thread_prologue_and_epilogue_insns): Don't delete
1041 the edge from a block that both jumps and falls through to the
1044 2000-02-09 Scott Bambrough <scottb@netwinder.org>
1046 * config/arm/arm.md (movsi): In PIC mode, make sure that a
1047 constant source address is legitimate.
1049 2000-02-09 Philip Blundell <pb@futuretv.com>
1051 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
1054 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
1056 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
1058 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
1060 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
1061 ends with a newline and a NUL. Don't be so clever manipulating
1064 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
1066 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
1067 not to BIGGEST_ALIGNMENT.
1069 2000-02-08 Geoff Keating <geoffk@cygnus.com>
1071 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
1072 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
1073 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
1074 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
1075 * frame.c (execute_cfa_insn): Handle
1076 DW_CFA_GNU_negative_offset_extended.
1078 2000-02-08 Richard Henderson <rth@cygnus.com>
1080 * flow.c (tidy_fallthru_edges): Split out from ...
1081 (delete_unreachable_blocks): ... here.
1082 (find_basic_blocks): Use it.
1084 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1086 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
1088 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
1090 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
1091 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
1092 (fix-header.o): Don't depend on cpphash.h.
1094 * scan.c (hashstr): New function.
1095 * scan.h: Prototype it.
1096 * fix-header.c: Don't include cpphash.h. Use hashstr.
1097 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
1098 hashstr. Report hash table statistics. Add private
1099 definition of xrealloc.
1101 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1103 * i386.h (TARGET_SWITCHES): Fix typo in option name.
1105 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
1107 * function.c (thread_prologue_and_epilogue_insns): Don't replace
1108 jumps with returns unless they are jumps to the fallthru block.
1110 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
1112 * i386.md (addqi3_cc): Fix contraints.
1114 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1116 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
1118 2000-02-07 Mark Mitchell <mark@codesourcery.com>
1120 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
1121 carriage return after a macro name.
1123 2000-02-07 Fred Fish <fnf@be.com>
1125 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
1126 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
1128 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
1130 * cppfiles.c (deps_output): Count spacers in deps_column.
1132 2000-02-07 Neil Booth <NeilB@earthling.net>
1134 * cppinit.c (initialize_dependency_output): If there is no
1135 suffix, don't try to look for known suffixes. Use strrchr.
1136 (cpp_start_read): Remove duplicate initialization.
1138 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
1140 * calls.c (compute_argument_block_size): New argument
1141 preferred_stack_boundary.
1142 (expand_call): update cfun->preferred_stack_boundary, update call of
1143 compute_argument_block_size
1144 (emit_library_call): Increate cfun->preferred_stack_boundary
1145 to PREFERRED_STACK_BOUNDARY
1146 (emit_library_call_value): Likewise.
1147 * explow.c (allocate_dynamic_stack_spave): Likewise.
1148 * function.c (prepare_function_start): Set
1149 cfun->preferred_stack_boundary
1150 * function.h (struct function): Add preferred_stack_boundary field.
1151 * integrate.c (expand_inline_function): Update
1152 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
1153 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
1154 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
1156 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
1158 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
1159 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
1160 cpp_pedwarn, cpp_pedwarn_with_line,
1161 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
1162 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
1163 v_cpp_error_with_line, v_cpp_warning_with_line,
1164 cpp_message_from_errno, cpp_perror_with_name): Delete.
1166 * cpperror.c (cpp_print_containing_files): Take starting
1168 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
1169 (v_cpp_message): Now called directly by all entry points.
1171 (cpp_pfatal_with_name, cpp_message): Delete.
1172 (cpp_notice_from_errno, cpp_ice): New functions.
1173 (cpp_notice): Is now for reporting error conditions, just
1174 without an associated file.
1175 (cpp_error, cpp_error_with_line): Don't do anything if
1176 opts->inhibit_errors is on.
1177 (cpp_pedwarn_with_file_and_line): Take column argument also.
1179 * cpplib.h: Update prototypes of exported functions.
1180 (struct cpp_options): Add inhibit_errors.
1182 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
1183 non-error messages. Include intl.h.
1185 * cppinit.c, cppmain.c: Likewise. Also, use
1186 cpp_notice_from_errno instead of cpp_perror_with_name or
1187 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
1189 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
1190 report internal errors.
1192 * cpplib.c (do_define): Switch bcopy to memcpy.
1193 Give cpp_pedwarn_with_file_and_line a dummy column argument.
1195 * cpplib.c (copy_rest_of_line): Revert previous change: don't
1196 bail out early if we hit a line comment.
1198 2000-02-06 Richard Henderson <rth@cygnus.com>
1200 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
1201 * basic-block.h: Declare them.
1202 * emit-rtl.h (active_insn_p): New.
1203 (next_active_insn, prev_active_insn): Use it.
1204 * rtl.h: Declare it.
1205 * function.c (emit_return_into_block): New.
1206 (thread_prologue_and_epilogue_insns): Insert return insns instead
1207 of epilogues when possible.
1208 * jump.c (jump_optimize_1): Remove code to insert a return insn
1209 on the fallthru to the exit block.
1211 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
1212 and for non-empty stack frames.
1213 * i386.md (return): Expand to return-pop as needed.
1215 2000-02-06 Richard Henderson <rth@cygnus.com>
1217 * simplify-rtx.c (simplify_relational_operation): Canonicalize
1218 constant to op1 for testing.
1220 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1222 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
1223 (fixuns_truncqfqi2): Use it.
1225 2000-02-06 Richard Henderson <rth@cygnus.com>
1227 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
1230 * i386.md (widening and peepholes): Mask the constant instead of
1233 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1235 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
1236 input pointer before possibly branching off to the backslash
1238 * cpphash.c (macroexpand): Correctly delete \r escapes when
1239 stringifying parameters.
1240 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
1241 if we can; bail out early if we hit a line comment.
1242 (handle_directive): Treat '# 123' in an .S file just like
1243 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
1244 Return 1 for '# not_a_directive'.
1245 (get_directive_token): Pop macro buffers here, so that
1246 cpp_get_token can't sneakily move past a newline.
1248 (cpp_get_token): goto randomchar if handle_directive returns 0.
1250 * cppalloc.c: Update copyright.
1251 * cpplib.c: Merge all the static function prototypes into one
1253 * cpplib.h: Remove #if 0 block.
1255 * cpperror.c: Remove #ifdef EMACS block.
1256 * cppmain.c: Likewise.
1257 * cpphash.c: Remove #if 0 blocks.
1258 * cppinit.c: Remove #if 0 blocks, and the -lint option.
1259 * cpplib.c: Remove #if 0 blocks and code referencing
1260 pcp_inside_if or for_lint. Remove duplicate error message.
1261 Fix error messages for #else after #else or #elif. Reformat.
1262 Remove archaic TODO list.
1263 * cpplib.h: Remove pcp_inside_if and for_lint flags.
1265 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1267 * i386/osf1elf.h: Add missing backslash to multiline string.
1269 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1271 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
1273 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * Makefile.in (c-common.o): Depend on $(EXPR_H).
1277 * c-common.c: Include expr.h.
1279 * c-pragma.c (mark_align_stack): Add prototype.
1281 * caller-save.c (add_stored_regs): Likewise.
1283 * combine.c (record_promoted_value): Likewise.
1285 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
1288 * cppinit.c (new_pending_define): Likewise.
1290 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
1292 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
1293 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1294 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
1295 class_scope_p): Likewise.
1297 * dwarf2out.h (dwarf2out_set_demangle_name_func,
1298 dwarf2out_add_library_unit_info): Likewise.
1300 * ggc.h (ggc_page_print_statistics): Likewise.
1302 * haifa-sched.c (propagate_deps): Likewise.
1304 * reg-stack.c (next_flags_user, record_label_references): Likewise.
1306 * rtl.h (set_stack_check_libfunc): Likewise.
1308 * toplev.h (set_fatal_function): Likewise.
1310 * toplev.c (set_fatal_function): Delete prototype.
1312 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
1314 2000-02-05 Geoff Keating <geoffk@cygnus.com>
1316 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
1317 (FUNC_END): Likewise.
1319 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1321 * caller-save.c: Include tm_p.h.
1323 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1325 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
1327 2000-02-04 Neil Booth <NeilB@earthling.net>
1329 * cccp.c (main): Check 'dir' for a NULL pointer before passing
1332 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
1334 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
1335 * genflags.c: Use the max_operand_1 logic from genemit.c to
1336 calculate how many arguments gen_insn prototypes have. Remove
1337 NO_MD_PROTOTYPES ifdefs from the generated file.
1338 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
1339 file. Cast gen_insn initializers to insn_gen_fn.
1340 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
1341 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
1343 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1345 * fixinc/Makefile.in (HDR): Add machname.h.
1348 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1350 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
1351 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
1352 (c4x_cpu_version): Ditto.
1353 * config/c4x/c4x-protos.h: ... here.
1355 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
1357 * dwarf2out.c (add_abstract_origin_attribute): Don't call
1358 gen_abstract_function on our context if we're a nested function.
1360 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1362 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
1363 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
1365 2000-02-04 Bruce Korb <bkorb@gnu.org>
1367 * fixinc/genfixes(machname.h):
1368 Move the functionality from gen-machine.h into this file.
1369 UNdef MN_NAME_PAT if there are no names to change.
1370 Also, be a little kinder when AutoGen is not present.
1372 * fixinc/Makefile.in(machname.h):
1373 Change the generation rule to use genfixes.
1375 * fixinc/fixfixes.c(machine_name):
1376 machine_name_fix's functionality now dependent upon whether
1377 MN_NAME_PAT is defined.
1379 * fixinc/fixtests.c(machine_name):
1382 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
1385 * fixinc/fixlib.h(mn_get_regexps):
1388 * fixinc/gen-machine.h: DELETED
1390 2000-02-04 Jan Hubicka <jh@suse.cz>
1391 Richard Henderson <rth@cygnus.com>
1393 * i386.c (SAVE_REGS_FIRST): Remove.
1394 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
1395 (ix86_compute_frame_size): Likewise.
1396 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
1397 (ix86_emit_restore_regs): Remove.
1398 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
1399 when a frame pointer is in use.
1400 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
1401 instead of pop to restore a register when profitable; emit leave
1403 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
1405 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
1406 * i386.md (prologue_allocate_stack): Remove.
1407 (epilogue_deallocate_stack): Remove.
1408 (pro_epilogue_adjust_stack): New.
1410 2000-02-04 Richard Henderson <rth@cygnus.com>
1412 * function.c (diddle_return_value): Rework to use a callback function.
1413 Use current_function_return_rtx if it's been set up.
1414 (do_clobber_return_reg, clobber_return_register): New.
1415 (do_use_return_reg, use_return_register): New.
1416 (expand_function_end): Use them.
1417 * stmt.c (expand_null_return): Likewise.
1418 * function.h: Declare them.
1419 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
1420 (mark_reg): Change arguments as appropriate for callback.
1421 * integrate.c (expand_inline_function): Revert 19 Jan change.
1423 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1425 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1426 (Misc): Say the scheduler, not the Haifa scheduler.
1428 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1430 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1431 when in_mem is set. Update all callers.
1433 2000-02-04 Richard Henderson <rth@cygnus.com>
1435 * i386/openbsd.h (INT_ASM_OP): Define.
1437 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1439 * tm.texi: Fix various typos.
1441 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1443 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1444 (MD_STARTFILE_PREFIX_1): New macro.
1446 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1448 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1449 destination when needed.
1450 (strmovsi, strsetsi): New expander.
1451 (strmovsi_1, strsetsi_1): New pattern.
1452 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1453 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1454 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1455 * invoke.texi (align-stringops, inline-all-stringops): Document.
1457 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1459 * i386/netbsd.h (INT_ASM_OP): Define.
1461 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1463 * cpplib.h (cpp_reader): Add new flag, no_directives.
1464 * cpphash.c (macarg): Set it.
1465 * cpplib.c (handle_directive): If no_directives is on and we
1466 find a directive, issue an error and discard the line.
1468 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1470 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1471 FP constants. Add ! TARGET_FPU check for FP constants.
1473 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1475 * flow.c (find_basic_blocks): Don't kill label_value_list
1477 (cleanup_cfg): Kill it here.
1479 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1481 * expr.c (store_field): Ensure ALIGN is no stricter than the
1484 2000-02-02 Richard Henderson <rth@cygnus.com>
1486 * jump.c (delete_insn): Partially revert 19 Jan change;
1487 don't convert unused code labels to notes at -O0.
1489 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1491 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1492 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1494 2000-02-01 Richard Henderson <rth@cygnus.com>
1496 * i386.c (general_no_elim_operand): New.
1497 (nonmemory_no_elim_operand): New.
1498 (ix86_expand_move): Copy eliminable operands before a push.
1499 * i386-protos.h: Declare new functions.
1500 * i386.h (CAN_ELIMINATE): Simplify.
1501 (PREDICATE_CODES): Update.
1502 * i386.md (push insns): Don't allow eliminable register operands.
1504 2000-02-01 Richard Henderson <rth@cygnus.com>
1506 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1507 replace BLKmode with DECL_RTL's mode.
1509 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1511 * frame.c (find_fde): Convert for loop to do-while so compiler
1512 sees it's always executed at least once.
1513 * libgcc2.c (BBINBUFSIZE): Kill.
1514 (__bb_init_prg): Use fgets.
1515 (__bb_exit_trace_func): Don't paste strings.
1516 * unroll.c (unroll_loop): Initialize unroll_type, not
1517 unroll_number, and tweak logic to match.
1519 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1521 (ix86_flags_dependant): Likewise. Disentangle control flow.
1522 (ix86_sched_reorder): Break guts out to
1523 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1524 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1527 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1528 use string concatenation. Don't save and restore esi.
1530 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1531 (machname.h): Remove script to separate file. Use two-step
1532 sequence so target is not created if script fails.
1533 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1534 identifiers are defined.
1535 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1536 an empty string, machine_name doesn't need to do anything at
1538 (is_cxx_header): Add more cases to regexp.
1539 * fixinc/fixlib.h: Update prototype.
1540 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1542 * fixinc/fixincl.c: Define NO_BOGOSITY.
1544 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1545 (hp_sysfile): Add missing comma.
1546 (math_exception): Put the wrapper ifdefs at the beginning and
1547 the end of the file.
1548 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1550 2000-02-01 Richard Henderson <rth@cygnus.com>
1552 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1553 Use CONST0_RTX. Update all callers.
1554 * sparc.h, sparc-protos.h: Update accordingly.
1555 * sparc.md (fp mov insns): Use fp_zero_operand directly
1558 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1560 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1563 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1565 * Makefile.in (specs.ready): New target.
1566 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1568 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1570 * fixinc.irix: Use unique filenames for writing into /tmp,
1571 * fixinc.ptx: Likewise.
1572 * fixinc.sco: Likewise.
1573 * fixinc.svr4: Likewise.
1574 * fixinc.winnt: Likewise.
1576 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1578 * tsystem.h: New file.
1580 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1581 s-crtS): Depend on tsystem.h.
1583 * crtstuff.c: Include tsystem.h.
1584 * frame.c: Likewise.
1585 * libgcc2.c: Likewise.
1587 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1589 * builtins.c (expand_builtin_memset): Expand for variable sized
1592 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1594 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1597 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1599 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1601 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1603 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1605 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1606 case 3->2 combining (combining with splitting) in which 2 is CC0
1607 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1608 checked at the begining of the function with the aid of calling
1609 function 'can_combine_p'.
1611 2000-01-31 Dave Brolley <brolley@redhat.com>
1613 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1615 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1617 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1620 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1624 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1627 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1629 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1630 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1631 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1632 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1633 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1634 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1635 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1636 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1637 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1638 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1640 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1641 Add %(cpp_cpu) to CPP_SPEC.
1643 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1644 Add %(cc1_cpu) to CC1_SPEC.
1646 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1648 * c-decl.c (c_decode_option): Accept optional numeric argument to
1649 -Wformat and set warn_format.
1650 * c-common.c: Don't emit warning about non-constant printf format
1651 string unless warn_format > 1.
1653 2000-01-30 Richard Henderson <rth@cygnus.com>
1655 * alpha.md (return_internal): Allow after reload only.
1657 2000-01-30 Richard Henderson <rth@cygnus.com>
1659 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1660 local frame size is zero.
1662 2000-01-30 Richard Henderson <rth@cygnus.com>
1664 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1665 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1666 * alpha.md (return): Turn into an expander.
1667 (return_internal): Don't use $26.
1668 (epilogue): Emit the return insn.
1670 2000-01-30 Richard Henderson <rth@cygnus.com>
1672 * alpha.md (negtf2, abstf2): Fix word order thinko.
1674 (trunctfsf2): Avoid intermediate rounding errors.
1676 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1678 * cppfiles.c (find_position): Drop 'colp' argument, return the
1680 (read_and_prescan): Adjust to match. Don't ever manipulate
1681 line or line_base except via find_position.
1683 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1685 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1686 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1689 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1691 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1692 just print "<command line>". If 'filename' is null or an
1693 empty string, print "<stdin>" for the filename.
1694 * cpplib.c (do_define): Don't print the 'location of the
1695 previous definition' message if we're still parsing the
1697 (cpp_pedwarn_with_file_and_line): Always call
1698 cpp_file_line_for_message.
1700 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1702 * flow.c (mark_regs_live_at_end): Fix typo.
1704 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1706 * c-common.c: Adjust variable names, comments, help strings to c99.
1707 * c-lex.c: Likewise.
1708 * c-parse.y: Likewise.
1709 * c-tree.h: Likewise.
1711 * cpplib.h: Likewise.
1712 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1713 * cppinit.c: Likewise.
1715 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1717 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1718 * c4x.c: Define the optab rtx values.
1719 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1720 (c4x_emit_libcall): Use new optab rtx values.
1721 (c4x_emit_libcall3): Likewise.
1722 (c4x_emit_libcall_mulhi): Likewise.
1723 * c4x-protos.h: Add prototypes for optab rtx values and change
1724 prototypes for above c4x_emit_libcall functions.
1726 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1728 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1730 (c4x_function_prologue): Use regnames intead of float_reg_names when
1732 (c4x_function_epilogue): Likewise.
1733 (c4x_print_operand): Likewise.
1734 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1735 * c4x.md (set_high): Disable for TARGET_TI.
1737 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1739 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1740 of framepointer + constant to ADDR_REGS class.
1741 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1742 * c4x.c (std_or_reg_operand): New function.
1743 * c4x-protos.h (std_or_reg_operand): Prototype it.
1745 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1747 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1748 object names as libgcc2.c.
1749 * libgcc.S: Use newly defined names.
1751 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1752 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1754 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1755 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1756 (FLOW_LOOP_LAST_BLOCK): Likewise.
1758 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1760 * basic-block.h (struct loop): New fields 'first' and 'last'.
1761 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1762 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1763 and loop->last to check for NOTE_INSN_LOOP_END.
1765 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1767 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1768 of the loop descriptor rather than HEADER and LATCH. Also added
1769 missing break statements as well making some coding style modifications
1770 as suggested by Michael Hayes.
1772 2000-01-28 Richard Henderson <rth@cygnus.com>
1774 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1775 Break out that code ...
1776 (cleanup_cfg): ... here.
1777 (commit_one_edge_insertion): Detect a return instruction being
1778 emitted to an edge. Emit a barrier following; clear fallthru.
1779 (commit_edge_insertions): Verify CFG consistency.
1780 * function.c (expand_function_start): Kill unused variable.
1781 (expand_function_end): Likewise.
1782 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1783 to insert the epilogue.
1785 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1786 (delete_null_pointer_checks): Likewise.
1787 * output.h: Likewise.
1788 * reg-stack.c (reg_to_stack): Likewise.
1789 * toplev.c (rest_of_compilation): Likewise. Run
1790 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1792 2000-01-28 Richard Henderson <rth@cygnus.com>
1794 * Makefile.in (flow.o): Revert 24 Jan change.
1795 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1796 FUNCTION_VALUE result to DECL_RESULT's mode.
1798 * haifa-sched.c (schedule_insns): Don't recompute reg info
1801 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1803 * configure.in: Make --enable-cpplib the default.
1804 * configure: Regenerate.
1805 * gcc.dg/990119-1.c: No longer expected to fail.
1807 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1809 * jump.c (jump_optimize_1): Delete an optimization that is also done
1810 by merge_blocks in flow.
1812 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1814 * diagnostic.c (build_message_string, output_printf,
1815 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1816 (build_location_prefix): Fix non-literal format string.
1818 2000-01-27 Richard Henderson <rth@cygnus.com>
1820 * alpha.md (trunctfsf2): New.
1822 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1824 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1826 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1828 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1830 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1832 (skip_comment) ... here. Permit C++ comments in system
1833 headers always. Warn about C++ comments in user code under
1834 -std=gnu89 -pedantic.
1835 (copy_comment): Use skip_comment.
1836 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1838 (consider_directive_while_skipping, do_else, do_endif): Call
1839 validate_else unconditionally.
1840 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1841 text after the conditional in a system header.
1842 * cpplib.h (struct cpp_buffer): Add flag
1843 warned_cplusplus_comments.
1845 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1847 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1848 Use unshare_all_rtl_1.
1849 (unshare_all_rtl_again): New function.
1850 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1852 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1853 rather than resetting the 'used' flags ourself.
1855 * toplev.c (rest_of_compilation): Add current_function_decl
1856 to the unshare_all_rtl call.
1857 * tree.h: Prototype unshare_all_rtl.
1858 * rtl.h: Prototype unshare_all_rtl_again here.
1860 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1862 * genoutput.c (output_prologue): Include ggc.h in generated
1864 * Makefile.in (insn-output.o): Depends on ggc.h.
1866 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1867 Hans-Peter Nilsson <hp@bitrange.com>
1869 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1870 Remove redundant include of xm-ns32k.h.
1871 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1872 Remove redundant include of xm-ns32k.h.
1873 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1874 Remove redundant include of xm-ns32k.h.
1875 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1877 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1878 (TARGET_SWITCHES): Add documentation strings.
1879 (DWARF_FRAME_REGNUM): Override default definition.
1880 (REG_CLASS_CONTENTS): Add comments.
1881 (SUBSET_P): Format to reduce line length.
1882 (SMALL_REGISTER_CLASSES): Make a run time option.
1883 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1884 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1885 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1886 (regclass_map): fix typo in comment.
1887 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1888 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1889 (trace, reg_or_mem_operand): Delete, unused function.
1890 (calc_address_cost): Small offsets are cheaper than large ones.
1891 (expand_block_move): Generate more efficient code when bytes is a
1892 known at compile time.
1893 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1894 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1895 instead of reg_or_mem_operand.
1897 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1898 not general_operand. Similarly use "=rm" or stricter, not "=g".
1899 For input operands, use stricter constraints than "g" if not
1900 general_operand. Similarly use stricter predicate than
1901 "general_operand" when stricter constraints than "g" are present,
1902 except for matching constraints.
1903 (movstrsi): Use "memory_operand" for operands 0 and 1.
1904 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1905 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1906 not reg_or_mem_operand.
1907 (udivmoddisi4): Ditto.
1908 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1909 Use nonimmediate_operand for operand 3, not register_operand.
1910 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1913 2000-01-27 Fred Fish <fnf@be.com>
1915 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1916 * gthr-single.h: Likewise.
1917 * gthr-solaris.h: Likewise.
1918 * gthr-vxworks.h: Likewise.
1919 * gthr-win32.h: Likewise.
1922 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1924 * cppinit.c: Add " (cpplib)" to end of string printed by
1927 2000-01-27 Richard Henderson <rth@cygnus.com>
1929 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1930 testing for a signed comparison.
1931 (alpha_emit_floatuns): New.
1932 * alpha-protos.h: Declare it.
1933 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1934 (extendsfdf2): Tidy.
1936 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1938 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1939 no -g option specifying debugging format, default to -gstabs+.
1941 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1943 * calls.c (special_function_p): New argument fork_or_exec.
1944 (expand_call): When profile_arc_flag is set and the function
1945 is in the fork_or_exec group, call __bb_fork_func first.
1946 * libgcc2.c, _bb module (__bb_fork_func): New function.
1947 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1949 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1950 * tree.h (special_function_p): Update prototype.
1952 2000-01-26 Richard Henderson <rth@cygnus.com>
1954 * alpha.c (alpha_split_tfmode_pair): New.
1955 * alpha-protos.h: Declare it.
1956 * alpha.md (abstf2, negtf2): New.
1957 (movtf insn): Add input G constraint.
1958 (movtf splitter): Use alpha_split_tfmode_pair.
1960 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1962 * i386/cygwin.h: PROTO -> PARAMS.
1964 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1966 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1967 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1968 using _Qp_cmp/_Q_cmp and testing the return value.
1969 (print_operand): Call reverse_condition_maybe_unordered if
1970 we are handling CCFPmode or CCFPEmode.
1971 Handle ORDERED, UN* and LTGT comparisons.
1972 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1973 if not TARGET_HARD_QUAD.
1974 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1975 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1976 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1977 Adjust gen_b* calls so that they reflect return comparison of
1978 sparc_emit_float_lib_cmp.
1980 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1982 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1983 incoming operands array is large enough for one more operand.
1984 (alpha_emit_xfloating_arith): Likewise.
1986 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1988 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1989 file with one line and no trailing newline.
1990 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1991 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1992 checking if the match is on the line.
1993 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1995 2000-01-25 Richard Henderson <rth@cygnus.com>
1997 * sparc.c (output_cbranch): Fix accidental squashing of the
1998 fp branch pre-delay nop.
2000 2000-01-25 Richard Henderson <rth@cygnus.com>
2002 * tree.def (UNNE_EXPR): Remove.
2003 * c-typeck.c (build_binary_op): Don't handle it.
2004 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
2006 * rtl.def (UNNE): Remove.
2008 * jump.c (reverse_condition): Update accordingly.
2009 (swap_condition): Likewise.
2010 (comparison_dominates_p): Handle unordered comparisons.
2011 (reverse_condition_maybe_unordered): New.
2012 * rtl.h (reverse_condition_maybe_unordered): Declare.
2014 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
2015 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
2016 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
2017 * sparc.md (bltgt): New.
2019 2000-01-25 Nick Clifton <nickc@redhat.com>
2021 * emit-rtl.c (emit_insn): Only check machine class insns for
2022 improper emission of a RETURN.
2024 2000-01-25 Richard Henderson <rth@cygnus.com>
2026 * Makefile.in (flow.o): Depend on $(EXPR_H).
2027 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
2028 duplicate the structure of diddle_return_value for keeping regs live.
2030 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2032 * loop.c (current_loop_info): Delete.
2033 (consec_sets_invariant_p): Add loop argument, update callers.
2034 (get_condition_for_loop): Likewise.
2035 (count_nonfixed_reads, update_giv_derive): Likewise.
2036 (simplify_giv_expr, general_induction_var): Likewise.
2037 (consec_sets_giv, recombine_givs): Likewise.
2038 (move_movables): Delete loop_start and loop_end arguments,
2039 add loop argument, and update callers.
2040 (find_mem_givs, check_final_value): Likewise.
2041 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
2042 (loop_invariant_p): Rename from invariant_p, add loop argument, and
2044 (basic_induction_var): Add loop argument, delete loop_level argument,
2046 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
2047 add loop argument, and update callers.
2048 (find_splittable_regs, find_splittable_givs): Likewise.
2049 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
2050 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
2051 (biv_total_increment): Delete loop_start and loop_end arguments;
2053 (precondition_loop_p): Delete loop_start and loop_info arguments;
2055 * loop.h (get_condition_for_loop): Add loop argument.
2056 (biv_total_increment): Delete loop_start and loop_end arguments.
2057 (precondition_loop_p): Delete loop_start and loop_info arguments;
2059 (final_biv_value): Delete loop_start and loop_end arguments;
2061 (final_giv_value, back_branch_in_range_p): Likewise.
2063 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
2065 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
2067 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
2069 * Makefile.in (c-gperf.h) : Change the "See" pointer to
2070 point to the new "generated_files" doc.
2072 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
2074 * config/fp-bit.c (_unord_f2): Fix typo.
2076 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
2078 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
2079 c-typeck.c, objc/objc-act.c: Remove all references to obstack
2080 functions obsoleted by GC, such as push_obstacks_nochange,
2081 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
2082 and code which existed only to decide whether or not to call
2083 them. Remove now-unused NESTED argument from start_function;
2084 all callers changed. Do not change behavior based on ggc_p.
2085 The use of the ixp_obstack in c-iterate.c and the util_obstack
2086 in objc/objc-act.c remain; these are not obsoleted by garbage
2088 * c-tree.h: Update prototype for start_function.
2090 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
2092 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
2094 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
2097 2000-01-25 Richard Henderson <rth@cygnus.com>
2099 * sparc-protos.h (select_cc_mode): Declare.
2100 * sparc.c (select_cc_mode): New. Handle unordered compares.
2101 (output_cbranch): Always reverse via code change. Handle
2102 unordered compares. Factor tests and string updates.
2103 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
2104 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
2105 * sparc.md (bunordered, bordered): New.
2106 (bungt, bunlt, buneq, bunge, bunle): New.
2108 2000-01-25 Richard Henderson <rth@cygnus.com>
2110 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
2111 * ggc-common.c (ggc_add_rtx_varray_root): New.
2112 (ggc_mark_rtx_varray): New.
2113 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
2114 functions down below ggc_mark_foo.
2115 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
2117 2000-01-25 Richard Henderson <rth@cygnus.com>
2119 * alpha.c (secondary_reload_class): Don't allocate a secondary
2120 for integral mode memories into FLOAT_REGS. Rearrange the more
2121 complicated memory expression inward.
2123 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
2125 * inclhack.def: Fixes to play nicer with FreeBSD, and
2126 corrections to comments.
2127 (cxx_unready): Add select expression.
2128 (irix_sockaddr): Add bypass expression.
2129 (machine_ansi_h_va_list): New fix.
2130 (stdio_va_list): No need to edit _BSD_VA_LIST_.
2131 Split out addition of "#include <stdarg.h>" to...
2132 (stdio_stdarg_h): ... here.
2133 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
2134 to stdlib.h also. Do not munge _BSD_SIZE_T_.
2135 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
2137 (ultrix_ifdef): Tighten up select expression.
2139 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
2140 re_ct and max_mach to avoid use of shell. Make printed names
2141 match names in inclhack.def. Use static copyright date.
2142 Don't count c_test and test expressions as requiring regex_t
2143 slots. Add some commentary.
2144 * inclhack.tpl: Do not include the 'This script contains N
2145 fixup scripts' line if PROGRAM is defined. Use static
2148 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
2150 * dwarf2out.c: include "varray.h", not dyn-string.h.
2151 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
2152 (addr_const_to_string, addr_to_string): Lose.
2153 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
2154 (struct dw_val_struct): val_addr is now an rtx.
2155 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
2156 (used_rtx_varray): New varray.
2157 (dwarf2out_init): Initialize it.
2159 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
2161 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
2162 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
2163 * Makefile.in (dwarf2out.o): Update dependencies.
2165 2000-01-24 Richard Henderson <rth@cygnus.com>
2167 * i386.c (i386_dwarf_output_addr_const): New.
2168 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
2170 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
2172 * dwarfout.c (output_mem_loc_descriptor): Likewise.
2173 * i386.c (i386_simplify_dwarf_addr): New.
2174 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
2176 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
2178 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
2179 TYPE_STUB_DECL is NULL.
2181 2000-01-24 Richard Henderson <rth@cygnus.com>
2183 * builtins.c (expand_tree_builtin): Move ...
2184 * c-common.c (expand_tree_builtin): ... here.
2186 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2188 * loop.h (LOOP_INFO): New accessor macro.
2189 * basic-block.h (struct loop): Rename field `info' to `aux'.
2190 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
2191 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
2192 * unroll.c (loop_iterations, unroll_loop): Likewise.
2194 2000-01-24 Christopher Faylor <cgf@cygnus.com>
2196 * config/i386/t-cygwin: Accomodate new winsup directory layout
2197 when searching for include files.
2199 2000-01-24 Richard Henderson <rth@cygnus.com>
2201 * rtl.def: Add unordered fp comparisions.
2202 * tree.def: Likewise.
2203 * tree.h: Add ISO C 9x unordered fp comparision builtins.
2205 * builtins.c (expand_tree_builtin): New function.
2206 * c-typeck.c (build_function_call): Use it.
2207 (build_binary_op): Support unordered compares.
2208 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
2210 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
2211 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
2212 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
2213 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
2214 * jump.c (reverse_condition): Don't abort for UNLE etc, but
2216 (swap_condition): Handle unordered compares.
2217 (thread_jumps): Check can_reverse before reversing.
2218 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
2221 * optabs.c (can_compare_p): New argument CODE. Verify branch or
2222 setcc is present before acking for cmp_optab. Update all callers.
2223 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
2224 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
2225 * expr.c (expand_expr): Likewise. Support unordered compares.
2226 (do_jump, do_store_flag): Likewise.
2227 * expr.h (enum libfunc_index): Add unordered compares.
2229 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
2230 (DPBIT_FUNCS): Add _unord_df.
2231 * config/fp-bit.c (_unord_f2): New.
2232 * fp-test.c (main): Try unordered compare builtins.
2234 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
2235 * alpha.c (alpha_comparison_operator): Check mode properly.
2236 (alpha_swapped_comparison_operator): Likewise.
2237 (signed_comparison_operator): Likewise.
2238 (alpha_fp_comparison_operator): New.
2239 (alpha_emit_conditional_branch): Handle unordered compares.
2240 * alpha.h (PREDICATE_CODES): Update.
2241 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
2242 (bunordered, bordered): New.
2244 2000-01-24 Richard Henderson <rth@cygnus.com>
2246 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
2247 * alpha.md (movtf): New expander, insn, and splitter.
2249 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
2251 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2254 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
2256 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
2257 (FIXED_REGISTERS, CALL_USED_REGISTERS,
2258 REG_ALLOC_ORDER): Add frame pointer
2259 (FRAME_POINTER_REGNUM): Set to 20
2260 (HARD_FRAME_POINTER_REGNUM): New macro.
2261 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
2262 to HARD_FRAME_POINTER.
2263 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
2264 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
2265 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
2266 (HI_REGISTER_NAMES): Add "frame".
2267 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
2268 (debug_reg): Handle FRAME_POINTER_REGNUM.
2269 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
2270 GENERAL_REGS and INDEX_REGS.
2271 * i386.c (SAVED_REGS_FIRST): new macro.
2272 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
2273 (ix86_decompose_address, memory_address_length): Likewise.
2274 (regclass_map): Add frame pointer.
2275 (call_insn_operand): Handle frame_pointer_rtx.
2276 (reg_no_sp_operand): Likewise.
2277 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
2278 (print_operand, legitimize_pic_address): Fix formating.
2279 (ix86_compute_frame_size): Make static, update prototype, new
2280 parameters padding1, padding2, use ix86_nsaved_regs, use
2281 stack_alignment_needed.
2282 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
2283 to HARD_FRAME_POINTER_REGNUM conversions.
2284 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
2285 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
2286 (print_reg): Abort on FRAME_POINTER_REGNUM
2288 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
2290 * i386.h (PREDICATE_CODES): Add aligned_operand.
2291 * i386.c (aligned_operand): New function.
2292 (ix86_aligned_p): Kill.
2293 * i386.md (movhi_1): Emit mov for aligned operands.
2294 (promoting peep2s): Use aligned_operand.
2296 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
2298 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
2299 expression to allow underscores in macro names.
2300 (fix_char_macro_defines): Increment scanning pointer.
2302 2000-01-23 Richard Henderson <rth@cygnus.com>
2304 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
2305 * alpha/osf5.h: New file.
2306 * configure.in (alpha-*-osf5): Add it to tm_file.
2308 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
2310 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
2311 (alpha_emit_xfloating_cvt, function_arg): Declare.
2312 * alpha.c (alpha_emit_conditional_branch): Call
2313 alpha_emit_xfloating_compare for TFmode compares.
2314 (alpha_lookup_xfloating_lib_func): New.
2315 (alpha_compute_xfloating_mode_arg): New.
2316 (alpha_emit_xfloating_libcall): New.
2317 (alpha_emit_xfloating_arith): New.
2318 (alpha_emit_xfloating_compare): New.
2319 (alpha_emit_xfloating_cvt): New.
2320 (print_operand): Add default abort case.
2321 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
2322 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
2323 (BIGGEST_ALIGNMENT): Increase to 128 bits.
2324 (RETURN_IN_MEMORY): True for TF/TCmode.
2325 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
2326 (FUNCTION_ARG): Move to function_arg.
2327 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
2328 (ASM_OUTPUT_LONG_DOUBLE): New.
2329 (ASM_OUTPUT_DOUBLE): Always output bits.
2330 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
2331 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
2332 (extenddftf2, trunctfdf2): New.
2334 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2336 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
2337 * config/sparc/sol2.h: ... here.
2339 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2341 * basic-block.h (struct loops): New field `levels'.
2342 * flow.c (flow_loops_level_compute): Traverse all outer loops.
2343 (flow_loop_level_compute): Initialise level to 1.
2344 (flow_loops_find): Set loops->levels.
2345 (flow_loops_dump): Print loops->levels.
2347 2000-01-23 Richard Henderson <rth@cygnus.com>
2349 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
2350 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
2352 2000-01-23 Richard Henderson <rth@cygnus.com>
2354 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
2355 * i386.h (DBX_REGISTER_NUMBER): Use them.
2356 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
2357 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
2358 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
2359 * i386/sequent.h: Kill incorrect comment.
2361 2000-01-23 Mark Mitchell <mark@codesourcery.com>
2363 * ggc-page.c (struct page_entry): Make `context_depth' an
2365 (struct globals): Likewise.
2367 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
2369 * loop.c (check_dbra_loop): When checking a loop for
2370 reversability, check the source of any stores to ensure
2371 they don't depend on an initial value.
2373 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2375 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
2377 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
2379 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
2380 'pz_scan' into scope of entire function. Only affects
2381 compiles with -DDEBUG.
2383 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
2385 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
2386 section naming to that prior to 2000-01-07 patch.
2387 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
2388 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
2389 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
2390 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
2391 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
2393 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
2395 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
2398 2000-01-21 Jim Wilson <wilson@cygnus.com>
2400 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
2401 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
2403 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2405 * cpphash.c (change_newlines): Delete function.
2406 (struct argdata): Delete 'newlines' and 'use_count' fields.
2407 (macroexpand): Remove code referencing those fields.
2409 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2411 * loop.c (loops_info): New variable.
2412 (loop_optimize): Allocate loops->array and free it on exit.
2413 Allocate memory for loops_info and assign to each loop,
2415 (find_and_verify_loops): Do not allocate loops->array.
2417 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2419 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
2421 2000-01-21 Jakub Jelinek <jakub@redhat.com>
2423 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2424 pseudos if expanded after first flow.
2425 (movdi_pic_label_ref): Likewise.
2427 2000-01-20 Richard Henderson <rth@cygnus.com>
2429 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2431 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2433 * Makefile.in (fixinc.sh): Depend on specs.
2434 * fixinc/Makefile.in: Add rule to create machname.h.
2435 (fixlib.o): Depend on machname.h.
2436 * fixinc/fixtests.c (machine_name): New test.
2437 * fixinc/fixfixes.c (machine_name): New fix.
2438 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2439 the machine_name test and fix.
2440 * fixinc/fixlib.h: Prototype it.
2441 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2442 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2444 * gcc.c (do_spec_1) [case P]: Take care not to create
2445 identifiers with three leading or trailing underscores.
2447 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2448 (fixincl): Don't specify libraries twice on link line.
2449 (gnu-regex.o): Remove special rule.
2450 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2451 defined by config.h. Do not define _REGEX_RE_COMP.
2452 (regcomp): Allocate and initialize a fastmap.
2453 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2455 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2457 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2459 2000-01-19 Richard Henderson <rth@cygnus.com>
2461 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2462 arguments with BB. Update all callers. Tidy line wrapping.
2464 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2466 * emit-rtl.c (try_split): Return last_insn if we split the
2469 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2471 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2472 (ix86_initial_elimination_offset): Declare.
2473 * i386.c (ix86_nsaved_regs): Break out from ...
2474 (ix86_can_use_return_insn_p): ... here.
2475 (ix86_emit_save_regs): Break out from ...
2476 (ix86_expand_prologue): ... here.
2477 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2479 (ix86_expand_epilogue): ... here.
2480 (ix86_compute_frame_size): Make static, add prototype.
2481 (ix86_initial_elimination_offset): Break out from ...
2482 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2484 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2486 * recog.h (OUT_FCN): Delete.
2488 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2490 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2492 * cppalloc.c: PROTO -> PARAMS.
2493 * cpperror.c: Likewise.
2494 * cppfiles.c: Likewise.
2495 * cpplib.c: Likewise.
2496 * cpplib.h: Likewise.
2498 * config/arm/arm-protos.h: PROTO -> PARAMS.
2499 * config/arm/arm.c: Likewise.
2500 * config/c4x/c4x.c: Likewise.
2501 * config/fr30/fr30-protos.h: Likewise.
2502 * config/nextstep.c: Likewise.
2503 * config/pa/pa.c: Likewise.
2504 * config/pj/pj.c: Likewise.
2505 * config/rs6000/rs6000.c: Likewise.
2506 * config/v850/v850-protos.h: Likewise.
2507 * config/v850/v850.c: Likewise.
2509 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2511 * i370-protos.h: New file.
2513 * i370.c: Include tm_p.h. Fix compile time warnings.
2515 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2518 * i370.md: Likewise.
2520 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2522 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2523 (target_isinf, target_isnan, eisnan): Mark parameter with
2525 (eiisinf): Wrap in INFINITY.
2526 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2527 (ibmtoe): Remove unused variable `rndsav'.
2529 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2531 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2532 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2534 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2536 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2537 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2538 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2540 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2541 Recognize Emacs mode markers also.
2542 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2543 C++ comments in C++ headers. Call is_cxx_header only if
2546 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2548 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2549 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2550 ... these, which use the new C fixes.
2551 (math_exception): Escape literal '+' in bypass expression.
2553 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2556 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2558 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2561 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2563 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2564 prior to calling scan_loop.
2566 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2568 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2569 (split_branches, calc_live_regs): Likewise.
2571 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2573 * sh.md (fpu_single, fp_mode): New attributes.
2575 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2577 * loop.c (current_loop_info): Renamed from loop_info_data
2578 and changed to a pointer.
2579 (loop_optimize): Allocate loop_info structure for each loop
2580 and initialise to zero.
2581 (scan_loop): Set current_loop_info.
2583 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2586 2000-01-19 Richard Henderson <rth@cygnus.com>
2588 * stupid.c: Die die die.
2589 * Makefile.in (OBJS): Remove stupid.o.
2590 (stupid.o): Likewise.
2592 * except.c (emit_eh_context): Don't emit USEs for stupid.
2593 * explow.c (probe_stack_range): Likewise.
2594 * flags.h (obey_regdecls): Remove.
2595 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2596 when not optimizing.
2597 (life_analysis): Limit data collection when not optimizing.
2598 (mark_regs_live_at_end): Always mark the return value registers.
2599 (mark_used_regs): Remove dummy RETURN case.
2600 (print_rtl_with_bb): Don't consult obey_regdecls.
2601 * function.c (use_variable, use_variable_after): Remove.
2602 (assign_parms): Consult optimize not obey_regdecls.
2603 (expand_function_start): Don't emit USEs for stupid.
2604 (expand_function_end): Likewise.
2605 * global.c (build_insn_chain): Export.
2606 * integrate.c (expand_inline_function): Kill return-value USE
2608 * jump.c (jump_optimize_1): Do simple jump optimizations and
2609 dead code elimination.
2610 (calculate_can_reach_end): Remove check_deleted argument.
2611 (delete_insn): Patch out insns even when not optimizing.
2612 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2613 * rtl.h (use_variable, use_variable_after): Remove declarations.
2614 (build_insn_chain): Declare.
2615 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2616 (expand_end_bindings): Likewise.
2617 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2618 * toplev.c (obey_regdecls): Remove.
2619 (rest_of_compilation): Don't set it. Kill stupid in favour of
2620 flow1, local-alloc, and reload.
2621 (main): Don't set obey_regdecls.
2623 * config/nextstep.c (handle_pragma): Likewise.
2625 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2627 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2629 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2631 * alpha-protos.h: PROTO -> PARAMS.
2632 * alpha.c: Likewise.
2634 * h8300.c: Likewise.
2635 * i386-protos.h: Likewise.
2637 * m32r-protos.h: Likewise.
2640 * mips.md: Likewise.
2641 * gmon-sol2.c: Likewise.
2642 * sparc.c: Likewise.
2644 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2646 * ns32k-protos.h: New file.
2648 * ns32k.c: Fix compile time warnings.
2650 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2653 * ns32k.md: Likewise.
2655 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2657 * vax-protos.h: New file.
2659 * vax.c: Fix compile time warnings.
2661 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2666 * vaxv.md: Likewise.
2668 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2670 * romp-protos.h: New file.
2672 * romp.c: Fix compile time warnings.
2674 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2677 * romp.md: Likewise.
2679 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2681 * we32k-protos.h: New file.
2683 * we32k.c: Fix compile time warnings.
2685 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2688 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2690 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2692 * except.c (eh_regs): Likewise.
2694 * final.c (output_operand): Likewise.
2696 * fold-const.c (target_isinf, target_isnan): Likewise.
2698 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2700 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2701 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2703 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2705 (clrstrsi): Rewrite.
2706 (strsethi, strsetqi): New expanders.
2707 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2708 (cmpstrsi): Emit compare insn before cmpstrsi_1
2709 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2710 (strlensi_1): Likewise.
2711 (cmpstrsi_1): Likewise; do not output compare.
2712 (strlen expander): Do not unroll when optimizing for size.
2713 (*subsi3_carry): Rename to subsi3_carry
2714 (addqi3_cc): New pattern.
2715 * i386.h (processor_costs): Add move_ratio field.
2716 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2717 * i386.c (*_cost): Set move_ratio.
2718 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2719 (x86_expand_strlensi_1): Rewrite the main loop.
2721 2000-01-17 Richard Henderson <rth@cygnus.com>
2723 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2724 * cse.c (find_comparison_args, fold_rtx): Likewise.
2725 * integrate.c (subst_constants): Likewise.
2726 * loop.c (get_condition): Likewise.
2728 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2730 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2732 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2734 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2735 (RESTORE_WARN_FLAGS): Unpack it.
2736 Change semantic type of extension to ttype.
2737 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2738 * c-parse.y, c-parse.c, objc/objc-parse.y,
2739 objc/objc-parse.c: Regenerate.
2741 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2743 * fixinc/fixlib.c: Add copyright notice.
2744 (compile_re): New function.
2745 * fixinc/fixlib.h: Prototype compile_re.
2747 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2748 Use compile_re to compile regular expressions.
2750 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2751 where the pattern matched.
2753 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2755 (ultrix_ansi_compat): Likewise.
2756 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2758 (interactv_add2, interactv_add3): Delete.
2759 (x11_sprintf): Don't use filename glob.
2760 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2763 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2765 * print-rtl.c: PROTO -> PARAMS.
2767 * reg-stack.c: Likewise.
2768 * resource.c: Likewise.
2769 * sdbout.h: Likewise.
2770 * simplify-rtx.c: Likewise.
2771 * stor-layout.c: Likewise.
2772 * stupid.c: Likewise.
2773 * xcoffout.c: Likewise.
2774 * xcoffout.h: Likewise.
2776 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2778 * toplev.c: PROTO -> PARAMS.
2779 * toplev.h: Likewise.
2782 * unroll.c: Likewise.
2783 * varasm.c: Likewise.
2784 * varray.c: Likewise.
2785 * varray.h: Likewise.
2787 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2789 * reload.c: PROTO -> PARAMS.
2790 * reload.h: Likewise.
2791 * reload1.c: Likewise.
2792 * reorg.c: Likewise.
2793 * resource.h: Likewise.
2796 * rtlanal.c: Likewise.
2797 * sbitmap.h: Likewise.
2798 * sdbout.c: Likewise.
2799 * stack.h: Likewise.
2801 * system.h: Likewise.
2803 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2805 * machmode.h: PROTO -> PARAMS.
2806 * mbchar.h: Likewise.
2807 * mips-tdump.c: Likewise.
2808 * mips-tfile.c: Likewise.
2809 * optabs.c: Likewise.
2810 * output.h: Likewise.
2811 * prefix.c: Likewise.
2812 * profile.c: Likewise.
2813 * protoize.c: Likewise.
2815 * recog.c: Likewise.
2816 * recog.h: Likewise.
2817 * regclass.c: Likewise.
2818 * regmove.c: Likewise.
2821 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * ggc-common.c: PROTO -> PARAMS.
2824 * ggc-page.c: Likewise.
2825 * ggc-simple.c: Likewise.
2827 * global.c: Likewise.
2828 * graph.c: Likewise.
2829 * gthr-win32.h: Likewise.
2830 * haifa-sched.c: Likewise.
2831 * halfpic.h: Likewise.
2832 * integrate.c: Likewise.
2833 * integrate.h: Likewise.
2836 * local-alloc.c: Likewise.
2840 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2842 * genattr.c: PROTO -> PARAMS.
2843 * genattrtab.c: Likewise.
2844 * gencheck.c: Likewise.
2845 * gencodes.c: Likewise.
2846 * genconfig.c: Likewise.
2847 * genemit.c: Likewise.
2848 * genextract.c: Likewise.
2849 * genflags.c: Likewise.
2850 * gengenrtl.c: Likewise.
2851 * genopinit.c: Likewise.
2852 * genoutput.c: Likewise.
2853 * genpeep.c: Likewise.
2854 * genrecog.c: Likewise.
2856 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2858 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2860 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2862 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2863 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2864 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2865 * configure, config.in: Rebuilt.
2867 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2869 * config/i386/i386.md: Add peephole to merge successive stack
2872 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2874 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2875 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2876 when walking backwards to find all the parameter loads when
2877 the basic block ends in a call.
2879 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2881 * loop.c (this_loop_info): Delete.
2882 (uid_loop): Add in place of uid_loop_num. All uses updated.
2883 (loop_number_exit_count): Delete and replace with entry in loop
2884 structure. All uses updated.
2885 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2886 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2887 (loop_outer_loop): Likewise.
2888 (loop_invalid, loop_number_exit_labels): Likewise.
2889 (loop_used_count_register): Delete and replace with entry in
2890 loop_info structure.
2891 (find_and_verify_loops): Add loops argument.
2892 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2893 loop_end, etc. arguments with loop structure pointer. All callers
2895 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2896 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2897 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2898 (insert_bct): Likewise.
2899 (basic_induction_var): New argument level.
2900 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2901 vtop, and cont. Add used_count_register.
2902 (uid_loop): Delete declaration.
2903 (loop_number_exit_count): Likewise.
2904 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2905 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2906 (loop_outer_loop, loop_used_count_register): Likewise.
2907 (loop_invalid, loop_number_exit_labels): Likewise.
2908 (unroll_loop): Replace loop_start and loop_end arguments
2909 with loop structure pointer.
2910 (loop_precondition_p, loop_iterations): Likewise.
2911 Include basic-block.h.
2912 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2913 with loop structure pointer.
2914 (loop_precondition_p, loop_iterations): Likewise.
2915 * basic-block.h (struct loop): New entries vtop, cont,
2916 cont_dominator, start, end, top, scan_start, exit_labels,
2918 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2920 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2922 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2924 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2926 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2928 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2930 * pdp11-protos.h: New file.
2932 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2935 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2938 * pdp11.md: Likewise.
2942 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2944 * mn10300-protos.h: New file.
2946 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2949 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2952 * mn10300.md: Likewise.
2954 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2956 * mn10200-protos.h: New file.
2958 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2961 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2964 * mn10200.md: Likewise.
2966 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2968 * h8300-protos.h: New file.
2970 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2973 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2976 * h8300.md: Likewise.
2978 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2981 (asm_emit_uninitialised): Likewise.
2983 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2985 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2986 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2988 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2990 * config/mips/mips.c (override_options): Don't turn on extra
2991 alignment for mips16.
2993 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2995 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2996 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2999 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3001 * builtins.c (PAD_VARARGS_DOWN): Define.
3002 (std_expand_builtin_va_arg): Use the above macro.
3003 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
3004 * tm.texi (Register Arguments): Document the above macro.
3006 2000-01-14 Nick Clifton <nickc@cygnus.com>
3008 * emit-rtl.c (emit_insn): If checking is enabled, make sure
3009 that this function has not been used to emit a jump
3012 * jump.c (return_jump_1): Cope with being passed a null rtx.
3014 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3016 * eh-common.h: PROTO -> PARAMS.
3017 * emit-rtl.c: Likewise.
3018 * errors.c: Likewise.
3019 * errors.h: Likewise.
3020 * except.c: Likewise.
3021 * except.h: Likewise.
3022 * explow.c: Likewise.
3023 * expmed.c: Likewise.
3026 * final.c: Likewise.
3027 * fix-header.c: Likewise.
3029 * fold-const.c: Likewise.
3030 * function.c: Likewise.
3031 * function.h: Likewise.
3033 * gcov-io.h: Likewise.
3037 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3039 * sh-protos.h: New file.
3041 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
3042 Add static prototypes. Fix compile time warnings.
3044 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
3048 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3050 * arc-protos.h: New file.
3052 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
3055 * arc.h: Move prototypes to arc-protos.h. Fix compile time
3060 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3062 * dsp16xx-protos.h: New file.
3064 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
3067 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
3070 * dsp16xx.md: Likewise.
3072 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * convex-protos.h: New file.
3076 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
3079 * convex.h: Move prototypes to convex-protos.h. Fix compile time
3082 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3084 * elxsi-protos.h: New file.
3086 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
3089 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
3092 * elxsi.md: Likewise.
3094 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3096 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
3097 case for moving from HI/LO/HI_LO_REG. This makes the behavior
3098 match the comment for MIPS16.
3100 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
3102 * flow.c (split_edge): Do not call set_block_for_insn if we
3103 do not have a basic_block_for_insn structure.
3105 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
3106 and destination functions are 32bit aligned within the trampoline.
3107 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
3108 (TRAMPOLINE_ALIGNMENT): Define.
3110 * cse.c (cse_insn): When changing (set (pc) (reg)) to
3111 (set (pc) (label_ref)), verify the change creates a valid insn.
3113 * fr30.c (call_operand): Tighten and rework to match rules for
3114 call RTL expressions.
3115 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
3116 * fr30.md (call patterns): Improve constraints.
3118 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
3120 * fr30.c (fr30_expand_epilogue): Revert last change.
3121 Use emit_jump_insn for the return insn.
3123 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
3124 Stan Cox <scox@cygnus.com>
3126 * predict.c: New file. Preliminary infrastructure work for static
3127 branch prediction and basic block reordering.
3128 * basic-block.h: Add prototype for estimate_probability.
3129 * Makefile.in: Add rules for predict.o.
3131 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
3133 * fixincludes (va_list): Use __not_va_list__ for the dummy.
3134 * fixinc/*: Likewise.
3136 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3138 * cccp.c: PROTO -> PARAMS.
3140 * collect2.c: Likewise.
3141 * combine.c: Likewise.
3142 * convert.h: Likewise.
3144 * dbxout.c: Likewise.
3145 * dbxout.h: Likewise.
3146 * diagnostic.c: Likewise.
3147 * doprint.c: Likewise.
3148 * dwarf2out.c: Likewise.
3149 * dwarf2out.h: Likewise.
3150 * dwarfout.c: Likewise.
3151 * dwarfout.h: Likewise.
3152 * dyn-string.h: Likewise.
3154 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
3157 macro conditionals guarding use.
3159 * dwarf2out.c: Include "tm_p.h".
3161 * function.c (locate_and_pad_parm): Mark parameter with
3163 (expand_function_end): Likewise for variable `context'.
3165 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
3167 2000-01-13 Nick Clifton <nickc@cygnus.com>
3169 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
3170 register to prevent compile time warnings.
3172 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
3174 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
3175 to avoid -Wtraditional warning.
3177 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3179 * 1750a-protos.h: New file.
3181 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
3184 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
3187 * 1750a.md: Likewise.
3189 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3191 * a29k-protos.h: New file.
3193 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
3196 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
3199 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3201 * clipper-protos.h: New file.
3203 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
3206 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
3209 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3211 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
3213 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
3215 * configure.in (--enable-new-gxx-abi): New option.
3216 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
3217 * Makefile.in (GXX_ABI_FLAG): New variable.
3218 * configure: Regenerate.
3220 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3222 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
3223 * tm.texi (FORCE_STRUCT_BLK): Document.
3224 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
3226 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
3228 * config/ns32k/ns32k.md: Revert Jan 9 change.
3230 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
3231 to a mode-test, if the predicate is address_operand.
3233 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
3235 * combine.c (if_then_else_cond): Be careful about what kinds
3236 of RTL expressions are passed to operand_subword.
3238 * flow.c (split_edge): If we have to insert a new jump, make
3239 sure to associate it with a basic block.
3241 * flow.c (commit_one_edge_insertion): A block with one successor
3242 can end in a JUMP_INSN that is not a simplejump.
3244 2000-01-12 Robert Lipe <robertl@sco.com>
3246 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
3247 (BUILD_VA_LIST_TYPE): Define.
3248 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
3251 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
3253 * cccp.c (do_pragma): Add cast to (char *).
3255 2000-01-12 Richard Henderson <rth@cygnus.com>
3256 Fred Fish <fnf@be.com>
3257 Jason Merrill <jason@cygnus.com>
3259 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
3260 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
3261 * i386/beos-elf.h, i386/beos-pe.h: New files.
3263 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
3264 * cross-make (SYSTEM_HEADER_DIR): Define using
3265 CROSS_SYSTEM_HEADER_DIR.
3267 * gcc.c (LIBRARY_PATH_ENV): Provide default.
3268 (process_command): Use it.
3269 (main): Likewise. Kill trailing = from env vars.
3270 (build_search_list): Put it back.
3271 * collect2.c (main): Use LIBRARY_PATH_ENV.
3273 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
3274 * toplev.c: Use NEED_DECLARATION_ENVIRON.
3276 * tm.texi (Frame Layout): Document SMALL_STACK.
3277 * c-common.c (c_common_nodes_and_builtins): Check it.
3279 * system.h: Undef alloca after including glibc's <stdlib.h>,
3280 if USE_C_ALLOCA is defined.
3282 * gcc.c (set_input): New fn.
3283 (main): After all input files are compiled, reset the input file
3286 * aclocal.m4 (rindex, index): If already defined, don't attempt
3289 * ginclude/varargs.h: (__va_list__): Define ifndef.
3290 * ginclude/stdarg.h: Likewise.
3292 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
3293 instead of unsigned char.
3295 * hash.h (true, false, boolean): Undef before enum.
3297 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
3298 proper type of "HOST_WIDE_INT *", rather than their natural type of
3299 "unsigned HOST_WIDE_INT *".
3301 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3303 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
3305 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
3307 * regclass.c (choose_hard_reg_mode): Likewise.
3309 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
3311 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
3313 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3315 * c-common.c: PROTO -> PARAMS.
3316 * c-common.h: Likewise.
3317 * c-decl.c: Likewise.
3318 * c-iterate.c: Likewise.
3319 * c-lang.c: Likewise.
3320 * c-lex.c: Likewise.
3321 * c-lex.h: Likewise.
3322 * c-parse.in: Likewise.
3323 * c-pragma.c: Likewise.
3324 * c-pragma.h: Likewise.
3325 * c-tree.h: Likewise.
3326 * c-typeck.c: Likewise.
3327 * objc/objc-act.c: Likewise.
3328 * objc/objc-act.h: Likewise.
3330 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3332 * m88k-protos.h: New file.
3334 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
3337 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
3339 * m88k.md: Likewise.
3341 * tekXD88.h: Likewise.
3343 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3345 * m68k-protos.h: New file.
3347 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
3350 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
3352 * mot3300.h: Likewise.
3354 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
3356 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
3358 (extract_bitlist): Declare bitlen.
3360 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
3362 * cccp.c: Accept and ignore -lang-fortran.
3364 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
3365 qualifiers don't match at any level of pointerness.
3367 2000-01-12 Robert Lipe <robertl@sco.com>
3369 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
3371 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
3373 * reload1.c (reload_reg_unavailable): New static variable.
3374 (reload_reg_free_p): Test it.
3375 (reload_reg_free_for_value_p): Test it instead of
3377 (choose_reload_regs_init): Compute it.
3379 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
3381 * reorg.c (fill_slots_from_thread): Check modified_in_p
3384 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
3386 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
3387 these nodes even if INTERNALS is not set.
3389 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
3391 * gcse.c (delete_null_pointer_checks_1): Cope when
3392 get_condition cannot determine the condition.
3394 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
3396 * toplev.h (set_message_length): Declare.
3398 * diagnostic.c (obstack_chunk_alloc): Define macro.
3399 (obstack_chunk_free): Likewise.
3400 (struct output_buffer): New data structure.
3402 (output_maximum_width): New variable.
3403 (doing_line_wrapping, set_message_length, init_output_buffer,
3404 get_output_prefix, output_space_left, emit_output_prefix,
3405 output_newline, output_append, output_puts, dump_output,
3406 vbuild_message_string, build_message_string, build_location_prefix,
3407 voutput_notice, output_printf, line_wrapper_printf,
3408 vline_wrapper_message_with_location): New functions. Implement
3409 automatic line wrapping.
3410 (v_message_with_decl): Make it handle automatic line wrapping.
3411 (v_error_with_file_and_line): Likewise.
3412 (v_warning_with_file_and_line): Likewise.
3413 (announce_function): Likewise.
3414 (default_print_error_function): Likewise.
3416 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
3418 * cpplib.h (struct cpp_options): Change lang_asm to char.
3420 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
3421 done in cpp_handle_option now.
3422 (initialize_builtins): Take out special case code used only by
3424 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3425 if -traditional. Recognize -lang-fortran and set
3426 lang_fortran, also turn off cplusplus_comments.
3427 (print_help): Document -lang-fortran.
3428 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3429 lang_asm. Ignore all directives other than `# 123 "file"' if
3431 (cpp_get_token): If -traditional, don't recognize directives
3432 unless the # is in column 1.
3433 (parse_string): If lang_fortran or lang_asm, silently
3434 terminate strings ('' or "") at end of line.
3435 Remove unnecessary braces.
3437 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3438 Richard Henderson <rth@cygnus.com>
3440 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3442 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3443 strict_low_part when possible.
3445 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3447 * alias.c: PROTO -> PARAMS.
3448 * basic-block.h: Likewise.
3449 * bitmap.c: Likewise.
3450 * bitmap.h: Likewise.
3451 * builtins.c: Likewise.
3452 * c-aux-info.c: Likewise.
3453 * caller-save.c: Likewise.
3454 * calls.c: Likewise.
3456 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3458 * Makefile.in (toplev.o): Depend on regs.h.
3460 * output.h (tdesc_section): Prototype.
3462 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3464 * sdbout.c: Include "tm_p.h".
3466 * toplev.c: Include "regs.h".
3468 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3470 * unroll.c (unroll_loop): Add EH support.
3472 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3474 * pa-protos.h: New file.
3476 * pa.c: Include recog.h and tm_p.h.
3477 (compute_zdepwi_operands, compute_movstrsi_length,
3478 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3479 find_addr_reg, import_milli): Add static prototypes.
3480 (pa_cpu_string, pa_arch_string): Constify a char*.
3481 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3482 (read_only_operand): Add argument `mode'.
3483 (singlemove_string, output_move_double, output_fp_move_double,
3484 output_block_move, output_and, output_ior, output_ascii,
3485 remove_useless_addtr_insns, milli_names, output_mul_insn,
3486 output_div_insn, output_mod_insn, output_arg_descriptor,
3487 output_cbranch, output_bb, output_bvb, output_dbra, ,
3488 output_millicode_call, output_call, hppa_encode_label,
3489 output_parallel_movb, output_parallel_addb): Constify a char*.
3490 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3491 (output_parallel_addb): Remove extra arg to `constrain_operands'
3493 * pa.h: Move all prototypes to pa-protos.h.
3494 (pa_cpu_string, pa_arch_string): Constify a char*.
3495 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3497 * pa.md: Call `function_label_operand' with mode argument.
3498 Likewise for `read_only_operand'.
3499 Fix nesting of parens in call to `symbolic_operand'.
3501 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3503 * i860-protos.h: New file.
3505 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3508 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3510 * i860.md: Likewise.
3512 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3514 * i386.md (movstrsi expander): Rewrite.
3515 (movstrsi_1 insn): Deleted.
3516 (strmovhi, strmovqi expander): New expanders.
3517 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3518 * i386.c (x86_single_stringop): New global variable.
3519 * i386.h (x86_single_stringop): Declare.
3520 (TARGET_SINGLE_STRINGOP): New macro.
3522 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3524 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3525 integer vararg POSTINCREMENT before the destination of the jump
3526 for the hard fp case.
3527 (function_arg_pass_by_reference): Pass a copy of CUM to
3530 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3531 for CONSTANT_ADDRESS_P above while loop for subreg.
3533 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3535 * flow.c (propagate_block): When a prologue/epilogue insn
3536 is marked dead, unconditionally clear libcall_is_dead and
3537 insn_is_dead, and only dump rtl if warnings aren't being
3540 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3542 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3543 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3544 (FIXED_REGISTERS): Set dirflag as fixed.
3545 (CALL_USED_REGISTERS): Set dirflag as used.
3546 (REG_ALLOC_ORDER): Set dirflag as last one.
3547 (DIRFLAG_REG): New macro.
3548 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3549 (HI_REGISTER_NAMES): Add dirflag.
3550 (DEBUF_PRINT_REG): Handle dirflag.
3551 * i386.md (type attribute): New cld and str types.
3552 (length_opcode attribute): Set cld and str to 1.
3553 (memory attribute): Set str to unknown - it is not clear from the
3555 (pent_np function unit): Prefixed string operations takes 12 cycles
3556 minimally; cld takes 2 cycles.
3557 (ppro_uops attribute): Str is "many" and cld is "few".
3558 (ppro_p0 unit): Handle cld here.
3559 (k6_alux unit): Handle cld and str types.
3560 (k6_load unit): It is ocupied by str opcodes.
3561 (k6_store unit): It is ocupied by str opcodes.
3562 (athlon_decode): Str is vector decoded.
3563 (athlon_ieu): Handle str and cld.
3565 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3566 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3567 cmpstrsi_nz_1 insn): Do not output cld instruction
3569 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3571 * gcc.texi (G++ and GCC): Add Java and Chill.
3572 (Bug Critera): Don't list languages.
3574 * gcc.texi (Incompatibilities): No longer claim most C compilers
3577 * gcc.texi (G++ and GCC): Update other front-ends list.
3579 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3581 * i386.c (ix86_expand_setcc): Fix typo.
3582 (ix86_expand_movcc): Similarly.
3584 * Band-aid until haifa's bitset implementation is nuked.
3585 * haifa-sched.c (extract_bitlst): New parameter for size of the
3586 bitset in bits. All callers changed. Avoid looking at undefined
3588 (edgeset_bitsize): New variable.
3589 (schedule_region): Initialize edgeset_bitsize.
3591 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3593 * Makefile.in (optabs.o): Depend on real.h
3594 (resource.o): Depend on insn-attr.h
3596 * builtins.c (result_vector): Wrap prototype in macro conditions
3597 governing definition and use.
3599 * c-common.c: Include tm_p.h.
3601 * c-lex.c: Likewise.
3603 * elfos.h: Constify a char*.
3605 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3606 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3607 parameter with ATTRIBUTE_UNUSED.
3609 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3612 * haifa-sched.c (schedule_insns): Mark parameter with
3615 * optabs.c: Include real.h.
3617 * real.h (ereal_atof): Add prototype arguments.
3619 * resource.c: Include insn-attr.h.
3621 * sdbout.c (sdbout_queue_anonymous_type,
3622 sdbout_dequeue_anonymous_types): Wrap in macro
3623 SDB_ALLOW_FORWARD_REFERENCES.
3624 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3627 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3629 * stupid.c: Include tm_p.h.
3631 * tree.c (real_value_from_int_cst): Mark parameter with
3634 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3636 * i960-protos.h: New file.
3638 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3641 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3643 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3645 * combine.c (expand_field_assignment): Do not discard SUBREGs
3646 while computing nonzero_bits.
3648 2000-01-09 Nick Clifton <nickc@cygnus.com>
3650 * config/arm/arm.c: Fix compile time warnings about signed vs
3652 * config/arm/arm.h: Fix compile time warnings about signed vs
3655 2000-01-09 Philip Blundell <philb@gnu.org>
3657 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3658 than `ldm' with only one register.
3659 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3662 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3665 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3667 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3670 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3672 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3673 assignment used as truth value.
3675 * function.c (assign_temp): Mark parameter `dont_promote' with
3676 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3677 PROMOTE_FOR_CALL_ONLY.
3679 * genrecog.c (write_subroutine): Mark variable `operands' with
3682 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3685 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3686 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3688 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3691 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3693 * config/c4x.h: Tidy up comments.
3694 * config/c4x.c: Likewise.
3696 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3698 * fold-const.c (lshift_double, rshift_double): Handle
3699 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3701 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3703 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3704 in prepare_function_start().
3706 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3708 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3709 longer allocate extra stack for function calls.
3711 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3713 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3715 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3717 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3719 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3721 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3722 * aix43.h: Revert Aug 2 change.
3723 (HAS_INIT_SECTION): Define, not visible yet.
3724 (LD_INIT_SWITCH): Define, not visible yet.
3725 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3727 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3729 * collect2.c (main): Expand ld2 size further.
3730 (export_object_lst): Cast assignment to avoid warning.
3731 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3732 (scan_prog_file, COFF): Do not collect initialization or
3733 finalization functions generated for entire shared object if
3734 init/fini support present.
3736 2000-01-07 Nick Clifton <nickc@cygnus.com>
3738 * config/elfos.h: Tidy up formatting of marcos. Make sure
3739 that .section directives are always prefixed by a tab.
3741 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3744 2000-01-07 Matt Austern <austern@sgi.com>
3746 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3749 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3751 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3753 (crtbegin.o, s-crtS): Likewise.
3755 2000-01-06 Richard Henderson <rth@cygnus.com>
3757 * alpha.md (adddi_2+1): Limit offset such that it will be
3758 loadable with a single ldah+lda pair.
3759 (adddi_2+2): Explicitly fail split if we can't make it work.
3761 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3763 * protoize.c: Conditionally include unistd.h.
3764 (IS_SAME_PATH_CHAR): New macro.
3765 (IS_SAME_PATH): New macro.
3766 (CPLUS_FILE_SUFFIX): New macro.
3767 (cplus_suffix): New static variable.
3768 (is_abspath): New static function.
3769 (in_system_include_dir): Handle DOS style pathnames.
3770 (file_could_be_converted): Likewise.
3771 (file_normally_convertible): Likewise.
3772 (directory_specified_p): Likewise.
3773 (file_excluded_p): Likewise.
3774 (abspath): Likewise.
3775 (shortpath): Likewise.
3776 (referenced_file_is_newer): Likewise.
3777 (save_def_or_dec): Likewise.
3778 (do_processing): Likewise.
3780 (edit_file): Likewise. Use rename instead of link.
3781 (rename_c_file): Likewise. Don't rename syscalls file.
3782 (munge_compile_params): Define null device for DOS based systems.
3783 (process_aux_info_file): Use binary mode if appliable.
3784 (edit_file): Likewise.
3785 * invoke.texi (Running Protoize): Document C++ suffixes used.
3787 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3788 IS_DIR_SEPARATOR macros.
3789 * collect2.c: Likewise.
3790 * cppinit.c: Likewise.
3791 * dwarf2out.c: Likewise.
3794 * prefix.c: Likewise.
3796 * toplev.c: Likewise.
3797 * system.h: And move to here.
3799 * prefix.c (update_path): Fix typo in variable name.
3801 2000-01-06 Richard Henderson <rth@cygnus.com>
3803 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3804 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3805 (count_reg_sets_1, count_reg_references): Likewise.
3806 (flow_loops_level_compute): Start counting actual loop depth at 1.
3807 (flow_loops_find): Likewise.
3808 * local-alloc.c (update_equiv_regs): Likewise.
3809 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3811 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3813 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3814 FIRST_PSEUDO_REGISTER
3815 * dwarf2out.c: Don't include frame.h
3816 * dwarfout.c: Likewise
3817 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3820 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3822 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3825 * i386.c (movsf splitter): Fix typo in my last checkin.
3827 2000-01-05 Nick Clifton <nickc@cygnus.com>
3829 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3830 own definition of this macro.
3831 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3832 flag_data_sections or UNIQUE_SECTION_P are true.
3834 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3835 unitialised data decls.
3837 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3838 being called for uninitialised data.
3840 * config/i386/interix.c (i386_pe_unique_section): Cope with
3841 being called for uninitialised data.
3843 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3844 for uninitialised data.
3846 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3847 for uninitialised data.
3849 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3850 for uninitialised data.
3852 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3853 (UNIQUE_SECTION_P): Always generate a unique section if
3854 flag_data_sections is true.
3855 (UNIQUE_SECTION): Also generate unique sections for
3857 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3858 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3861 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3863 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3866 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3868 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3869 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3870 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3871 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3872 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3874 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3876 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3878 * c-decl.c (finish_enum): Simplify code to determine minimum and
3879 maximum values of the enum, and calculate the type. Remove check
3880 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3881 the DECL_INITIAL of each enumeration constant with a copy converted
3882 to the enumeration type. When updating variant types, don't bother
3883 updating the type itself.
3885 * c-typeck.c (build_binary_op): Simplify conditional expressions
3886 when weeding out spurious signed-unsigned warnings. Add new
3887 spurious warning category: if the unsigned quantity is an enum
3888 and its maximum value fits in signed_type(result_type). Update
3890 (build_conditional_expr): Warn here if one alternative is signed
3891 and the other is unsigned.
3893 2000-01-05 Nick Clifton <nickc@cygnus.com>
3895 * config/fr30/fr30.h: Remove extraneous comments.
3897 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3899 * reload1.c (choose_reload_regs): When disabling a reload, also
3900 set reload_spill_index to -1.
3902 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3904 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3906 (m68*-*-rtemself*): New target.
3907 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3908 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3909 (sparc*-*-rtemself*): New target.
3910 (sparc*-*-rtems*): Now elf not a.out.
3911 * config/i386/rtems.h: Include config/rtems.h.
3912 * config/i386/rtemself.h: Include config/rtems.h.
3913 * config/i960/rtems.h: Include config/rtems.h.
3914 * config/m68k/rtems.h: Include config/rtems.h.
3915 * config/m68k/rtemself.h: Include config/rtems.h.
3916 * config/mips/rtems64.h: Include config/rtems.h.
3917 * config/pa/rtems.h: Include config/rtems.h.
3918 * config/rs6000/rtems.h: Include config/rtems.h.
3919 * config/sh/rtems.h: Include config/rtems.h.
3920 * config/sh/rtemself.h: Include config/rtems.h.
3921 * config/sparc/rtems.h: Include config/rtems.h.
3922 * config/sparc/rtemself.h: Include config/rtems.h
3924 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3926 * final.c (shorten_branches): Correctly compute length of
3927 asms without operands.
3929 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3931 * configure.in: Add pj target.
3932 * configure: Regenerate.
3933 * config/pj: New directory.
3934 * config/pj/lib1funcs.S: New file.
3935 * config/pj/linux.h: New file.
3936 * config/pj/pj.c: New file.
3937 * config/pj/pj.md: New file.
3938 * config/pj/pjl.h: New file.
3939 * config/pj/t-pj: New file.
3940 * config/pj/xm-pj.h: New file
3942 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3944 * toplev.c (rest_of_compilation): Run shorten-branches before
3947 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3949 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3950 macros so that they're consistent with their names.
3951 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3952 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3954 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3956 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3957 modified inadvertently.
3959 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3961 * configure.in (v850*-*-rtems*): New target.
3962 * configure: Regenerate.
3963 * config/v850/rtems.h: New file.
3965 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3967 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3968 (__gthread_key_create): Likewise.
3969 (__gthread_key_dtor): Likewise.
3970 (__gthread_once): Fix logic.
3971 (__gthread_key_delete): Cast away constness.
3973 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3974 * invoke.texi: Document.
3975 * i386/mingw32.h (CPP_SPEC): Use.
3976 (LIBGCC_SPEC): Likewise.
3977 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3979 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3981 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3982 (HANDLE_PRAGMA_PACK): Undefine.
3983 (SLOW_UNALIGNED_ACCESS): Define.
3985 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3987 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3988 to default definition.
3989 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3990 (store_fixed_bit_field): Call macro with word_mode and alignment.
3991 (extract_bit_field): Call macro with relevant mode and alignment.
3992 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3993 to default definition.
3994 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3996 (move_by_pieces_ninsns): Likewise.
3997 (clear_by_pieces): Likewise.
3998 (emit_push_insn): Likewise.
3999 (store_field): Call macro with relevant mode and alignment.
4000 (expand_expr): Likewise.
4001 (expand_expr_unaligned): Likewise.
4003 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4004 (SLOW_UNALIGNED_ACCESS): Define.
4005 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4006 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4007 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4008 (toc_section): Likewise and .toc pseudo-op.
4009 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4011 (TEXT_SECTION_ASM_OP): Likewise.
4012 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4015 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
4016 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
4017 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
4018 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
4019 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
4021 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
4023 * regclass.c: Revert my Jan 4 change to loop cost computation.
4025 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4027 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
4030 2000-01-04 Stan Cox <scox@cygnus.com>
4032 * haifa-sched.c (build_control_flow): Change unreachable simple
4033 loop test to check if current block has only one predecessor.
4034 (find_rgns): Initialize degree. Use dest as degree index, not src.
4036 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4038 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
4040 * calls.c (expand_call): Likewise for
4041 `old_stack_arg_under_construction'.
4043 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
4045 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
4048 * gcc.c (execute): Likewise for `ut' and `st'.
4050 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
4052 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
4054 * jump.c (jump_optimize_1): Likewise for `temp2'.
4056 * local-alloc.c (block_alloc): Likewise for `r1'.
4058 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
4060 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
4061 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
4063 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
4066 * reload.c (find_reloads): Likewise for `goal_alternative_number'
4067 and `goal_earlyclobber'.
4069 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
4071 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
4073 * stupid.c (stupid_life_analysis): Likewise for `chain'.
4075 * unroll.c (copy_loop_body): Likewise for `copy'.
4077 * varasm.c (output_constructor): Likewise for `byte'.
4079 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4081 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
4082 all FP constants for constant->reg moves.
4083 (ix86_split_to_parts): Try to convert memory address into immediate
4084 when available in the constant pool.
4085 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
4087 (LEGITIMATE_CONSTANT_P): Return 1.
4088 * i386.md (pushsf): New splitter to convert constant pool memory
4089 reference to immediate.
4090 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
4093 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
4095 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
4096 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
4097 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
4098 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
4099 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
4101 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
4103 * ginclude/stdbool.h: Support compilation as C++.
4105 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4107 * fold-const.c (make_range): Don't try to reverse an unbounded range.
4109 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
4111 * regclass.c (regclass): Properly compute loop_cost. Adjust
4114 * regclass.c: Fix minor whitespace problems.
4116 2000-01-03 Anthony Green <green@cygnus.com>
4118 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
4119 Restore the pic register if required.
4121 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
4123 * c-common.c (format_char_info): Update comment.
4124 (check_format_info): Recognize 'z' modifier in the same way 'Z'
4125 was recognized. Emit warning for formats new in ISO C99 only
4126 if flag_isoc9x is not set.
4128 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
4130 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
4132 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4134 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
4135 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
4136 (make_compound_operation): Choose cheaper alternative between
4137 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
4139 * regclass.c (op_costs): Remove global variable.
4140 (record_reg_classes): New parameter "op_costs" and "reg_pref".
4141 (record_operand_costs): Break out from ...
4142 (scan_one_insn): ... here.
4143 (dump_regclass): Make dumps nicer.
4144 (regclass): Dump preferrences choosed and changes done during passes.
4146 2000-01-03 Jakub Jelinek <jakub@redhat.com>
4148 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
4150 2000-01-03 Jakub Jelinek <jakub@redhat.com>
4152 * config/sparc/sparc.c (gen_df_reg): New function.
4153 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
4154 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
4155 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
4156 movtf_cc_reg_sp64+1): Use it.
4158 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4160 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
4163 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4165 * config/i386/i386.c (ix86_expand_unary_operator): Function
4166 definition made void.
4167 (ix86_expand_binary_operator): Update outdated preceding comment.
4168 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
4171 * config/i386/i386.c (override_options): Fix option-name typo.
4173 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4175 * system.h (CEIL): Define.
4176 * builtins.c (CEIL): Remove.
4177 * expmed.c (CEIL): Likewise.
4178 * expr.c (CEIL): Likewise.
4179 * stor-layout.c (CEIL): Likewise.
4181 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4183 * expr.c (store_constructor_field): Fix typo introduced with last
4186 2000-01-01 Mark Mitchell <mark@codesourcery.com>
4188 * tree.h (BINFO_N_BASETYPES): New macro.
4190 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
4192 * expmed.c (emit_store_flag): Prevent losing a pending stack
4193 adjust the same way we prevent losing queued increments.
4195 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4197 * function.c (update_temp_slot_address): Handle case where sum of
4198 temporary address plus offset in register is a valid address.
4200 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4202 * genrecog.c (change_state) Corrected typo.
4204 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4206 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
4207 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
4208 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
4210 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
4212 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
4213 case, expand GT comparisons correctly. Fix a comment before this
4216 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
4218 * dwarfout.c: Include "frame.h"
4219 * dwarf2out.c: Likewise.
4220 * Makefile.in (dwarfout.o): Depend on frame.h
4221 (dwarf2out.o): Likewise.
4223 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
4225 Restore i386 binary compatibility in Dwarf EH info.
4226 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
4227 value of FIRST_PSEUDO_REGISTER.
4228 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
4229 (struct frame_state): Use DWARF_FRAME_REGISTERS.
4230 * dwarfout.c (output_reg_number): Ditto.
4231 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
4232 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
4234 1999-12-29 Bruce Korb <autogen@linuxbox.com>
4236 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
4237 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
4238 (<hack>_RE_CT): not needed
4239 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
4240 rewritten to scan the file text once only
4241 "template<..." test added
4242 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
4243 (is_cxx_header): declaration added
4244 * fixinc/fixtests.c(is_cxx_header): removed
4245 (apply_fix_p_t): removed
4246 (double_slash_test): is_cxx_header is only called once now
4247 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
4248 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
4249 within the templates.
4250 The borken spelling of "broken" was fixed.
4251 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
4252 The default level depends on FIXINC_DEBUG.
4254 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4256 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
4257 Otherwise provide a declaration for atexit.
4258 (init_dummy): Make sure dummy call to atexit is nevertheless
4259 called with correct number of args.
4261 * frame.c: Update comments referring to other files.
4263 * libgcc2.c: Likewise.
4265 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4267 * cse.c (free_element, get_element): Remove unused prototypes.
4269 * fold-const.c (extract_muldiv): Initialize variables `op0' and
4272 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
4275 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
4277 * configure.in,configure: case arm for mn10200-*-* now sets
4278 float_format=i32 so that float.h will correctly claim "double"
4279 to be 32 bits. Ran autoconf to generate configure from .in file.
4281 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
4283 * pa.md (conditional zero): If op1 is a register, force it into
4284 the same register as op0.
4286 1999-12-28 Mark Mitchell <mark@codesourcery.com>
4288 * tree.h (BINFO_BASETYPES): Improve documentation.
4290 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4292 * configure.in (--enable-checking): Use a more portable `for'
4295 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4297 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
4298 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
4300 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
4303 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
4304 Delete descriptions.
4306 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
4307 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
4308 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
4309 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
4310 xm-svr4.h: Remove all instances of sys_siglist handling.
4312 1999-12-27 Jakub Jelinek <jakub@redhat.com>
4314 * config/sparc/sparc.md (cmp_zero_qi,
4315 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
4316 cmp_zero_extendqidi2_andcc_set): New patterns.
4318 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
4320 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4321 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
4322 (fpgnulib.c, xfgnulib.c): Add rules.
4323 * m68k/t-mot3300-gas: Likewise.
4325 1999-12-27 Ian Lance Taylor <ian@zembu.com>
4327 * configure.in: Avoid [[ by using test and changequote. Add
4328 changequote required by 1999-12-14 change.
4329 * configure: Rebuild.
4331 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
4333 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
4335 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
4337 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
4338 * flow.c (find_use_as_address): Likewise.
4339 * function.c (fixup_var_refs_1): Likewise.
4340 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
4341 * jump.c (invert_exp, redirect_exp): Likewise.
4342 * loop.c (replace_call_address): Likewise.
4343 (count_nonfixed_reads): Likewise.
4344 * rtlanal.c (modified_between_p): Likewise.
4345 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
4346 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
4347 * unroll.c (remap_split_bivs): Likewise.
4349 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4351 * diagnostic.c (v_message_with_decl): Use .* format specifier
4352 instead of building the format specifier width manually.
4354 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
4355 determining whether to provide a prototype. Remove the
4356 sys_siglist clause in the conditional.
4358 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4360 * fold-const.c (operand_equal_p): Use memcmp to compare string
4362 Suggested by D. J. Bernstein
4364 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4366 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
4367 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4369 * config/mips/mips.h (TARGET_64BIT): Likewise.
4370 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
4371 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
4372 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
4373 dsps. Give routines proper names if SI/DI modes are not used.
4374 * longlong.h: Use DWunion instead of DIunion.
4376 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
4378 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
4379 GC_CHECKING, GC_ALWAYS_COLLECT.
4380 * configure.in: Allow --enable-checking with an argument
4381 listing check modes to enable.
4382 * config.in, configure: Rebuilt.
4383 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
4384 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
4385 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
4386 ENABLE_GC_ALWAYS_COLLECT.
4387 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
4389 * tree.h, tree.c: Change ENABLE_CHECKING to
4390 ENABLE_TREE_CHECKING throughout.
4392 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4394 * fold-const.c (fold_truthop): Properly check for FP RHS.
4396 1999-12-24 Mark Mitchell <mark@codesourcery.com>
4398 * toplev.h (note_deferall_of_defined_inline_function): Declare.
4399 * toplev.c (note_deferral_of_defined_inline_function): New
4400 function, split out from ...
4401 (rest_of_compilation): ... here. Use it.
4403 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4405 * expr.c (store_constructor): Don't call clear_storage if size is
4408 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4410 * Makefile.in (toplev.o): Depend on loop.h.
4412 * dwarfout.c: Include tm_p.h.
4414 * emit-rtl.c (restore_emit_status): Mark parameter with
4417 * final.c (final_scan_insn): Likewise.
4419 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
4420 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
4421 flow_depth_first_order_compute, flow_loop_pre_header_find,
4422 flow_loop_tree_node_add, flow_loops_tree_build,
4423 flow_loop_level_compute, flow_loops_level_compute,
4424 flow_loop_outside_edge_p): Add prototypes.
4425 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4427 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4428 Mark with ATTRIBUTE_NORETURN.
4430 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4432 * local-alloc.c (no_conflict_p): Likewise.
4434 * loop.c (insert_bct): Hide definitions of variables with hidden
4436 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4438 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4439 with ATTRIBUTE_UNUSED.
4440 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4441 (reg_scan): Likewise.
4443 * reload.c (find_reloads): Remove unused variables `changed'.
4445 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4447 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4448 Remove unused variable `insn'.
4450 * toplev.c: Include loop.h.
4451 (report_file_and_line): Remove unnecessary prototype.
4453 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4455 * unroll.c (biv_total_increment): Likewise.
4457 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4459 * reload1.c (emit_input_reload_insns): Restore old behaviour
4460 wrt. 'special' reloads.
4462 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4464 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4465 hash.h. (cse.c): Don't depend on hashtab.h.
4467 * cse.c: Don't include hashtab.h.
4468 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4470 * ggc-simple.c: Don't include hash.h.
4472 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4474 * dwarf2out.c (add_abstract_origin_attribute): Call
4475 gen_abstract_function on our function context.
4477 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4479 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4481 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4483 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4486 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4488 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4489 constraints to "a!r".
4491 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4493 * Makefile.in (calls.o): Depend on function.h.
4494 (alias.o): Likewise.
4496 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4498 * reload1.c (emit_reload_insns): Break out code and variables into...
4499 (input_reload_insns, other_input_address_reload_insns,
4500 other_input_reload_insns, input_address_reload_insns,
4501 inpaddr_address_reload_insns, output_reload_insns,
4502 output_address_reload_insns, outaddr_address_reload_insns,
4503 operand_reload_insns, other_operand_reload_insns,
4504 other_output_reload_insns): ... new static variables, and...
4505 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4506 do_output_reload): ... new functions.
4508 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4510 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4512 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4514 * md.texi: Add c4x constraints documentation.
4516 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4518 * config/i386/dgux.c (struct option): Rename to
4519 lang_independent_option.
4520 (struct m_options): Add description field.
4521 (output_options): Rename option type, add sep declaration, output
4522 ix86_cpu_string and ix86_arch_string only if set.
4523 (output_file_start): Rename option type.
4525 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4527 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4529 (libgcc2.a): Similarly.
4531 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4533 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4534 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4535 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4537 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4539 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4540 Remove redundant initialization of "frexpon" and "expon".
4542 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4544 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4546 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4547 (store_constructor_field, expand_expr): Pass new arg.
4549 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4551 * Makefile.in (explow.o): Depend on function.h.
4553 * stor-layout.c (set_sizetype): Fix typo.
4555 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4557 * function.c (cfun): Renamed from current_function. All users
4559 * function.h (cfun): Rename declaration as well.
4561 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4562 to be of type regset_head, not regset. All users changed by adding
4564 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4566 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4568 * config/c4x/rtems.h: New file.
4570 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4572 * reload1.c (spill_failure): Take class of failed reload as argument
4573 and print it. Caller changed.
4575 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4577 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4578 (TARGET_SWITCHES): Allow subtargets to default switches.
4579 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4581 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4583 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4586 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4588 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4589 * cppinit.c (cpp_handle_option): Likewise.
4591 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4592 determine when to define.
4594 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4596 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4597 cmove with mismatched test and data modes.
4599 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4601 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4604 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4606 * alias.c: Minor reformatting.
4609 * stor-layout.c: Likewise.
4610 * fold-const.c: Likewise.
4611 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4612 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4614 (size_int_wide): Cache nodes even if garbage collecting.
4615 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4616 of SAVE_EXPR has no side effects.
4617 * cse.c: Move a comment.
4618 * tree.c: Minor reformatting.
4619 (int_size_in_bytes): Return -1 if constant overflows.
4621 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4623 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4625 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4627 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4628 after any change to c-parse.in, even if objc-parse.y didn't
4631 1999-12-18 David S. Miller <davem@redhat.com>
4633 * toplev.c (rest_of_compilation): Restore BLOCK tree
4634 reconstruction and branch shortening changes lost in
4635 December 18th change.
4637 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4639 * config/arm/linux-elf.h: Change all instances of
4640 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4641 * config/arm/uclinux-elf.h: Likewise.
4643 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4645 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4646 v_message_with_decl, file_and_line_for_asm,
4647 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4648 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4649 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4650 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4651 pfatal_with_name, fatal_io_error, need_error_newline,
4652 last_error_function, last_error_tick, announce_function,
4653 default_print_error_function, print_error_function,
4654 report_error_function, fnotice, error_with_file_and_line,
4655 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4656 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4657 warning_with_decl, warning_for_asm, warning, pedwarn,
4658 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4660 (compile_file): Use fnotice instead of notice. Adjust call.
4662 * diagnostic.c: New file.
4664 * Makefile.in (OBJS): Include diagnostic.o
4665 (diagnostic.o): Define dependence.
4667 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4669 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4672 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4674 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4676 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4678 * fixtests.c (is_cxx_header): New fn, split out of
4680 (else_endif_label): Allow "#endif // comment" in C++ headers,
4681 as determined by is_cxx_header.
4682 * fixfixes.c (else_endif_label_fix): Update comment.
4683 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4685 * genfixes: Correct double thinko in commandline parsing.
4686 * hackshell.tpl: Generate correct sh syntax for bypass
4689 * inclhack.def (all): Whenever an inserted preprocessor
4690 conditional is split over multiple lines, use double
4691 backslashes in this file so the fixed header will be readable.
4693 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4694 and add bypass entry for correct version of this header.
4695 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4696 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4698 (hpux8_bogus_inlines): New fix, split from...
4699 (ultrix_atof_param) ... here.
4700 (math_expression): Add bypass entry keyed to glibc comment
4701 indicating the problem has been dealt with; disable
4702 unnecessary sed operations; update commentary.
4703 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4704 add select and bypass entries, simplify shell operation.
4705 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4707 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4708 ultrix_atof_param): Add select entry.
4709 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4710 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4711 comments with the fixes they describe.
4713 * c-parse.in (string action): Do not warn about ANSI string
4714 concatenation in system headers. Affects C parser only.
4715 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4717 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4719 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4720 compiling libgcc2 the macro depends always on arch cpp defines.
4722 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4724 * loop.c (insert_loop_mem): Don't record MEMs from inside
4727 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4729 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4731 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4732 notes too, create one when replacement failed, attempt to simplify
4734 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4737 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4739 * crtstuff.c (__dso_handle): Declare.
4740 (__cxa_finalize): Likewise.
4741 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4744 * invoke.texi: Document -fuse-cxa-atexit.
4746 * tree.h (ptr_type_node): Document.
4747 (const_ptr_type_node): Likewise.
4749 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4751 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4752 (optimize_reg_copy_2): Likewise.
4753 (optimize_reg_copy_3): Likewise.
4754 (fixup_match_2): Likewise.
4755 (regmove_optimize): Likewise.
4756 (fixup_match_1): Liekwise.
4758 * i386.md (HI to SImode promoting splitters): Rewrite.
4759 (pushsf mem peep2): New.
4760 (testhi to andhi peep2): Remove.
4761 * i386.h (x86_promote_QImode): New.
4762 (TARGET_PROMOTE_QImode): New.
4763 (PREDICATE_CODES): Add promotable_binary_operator.
4764 * i386.c (x86_promote_QImode0: New.
4765 (promotable_binary_operator): New.
4766 * i386-protos.h (promotable_binary_operator): New.
4768 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4770 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4772 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4774 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4775 * function.c (insert_block_after_note): Remove.
4776 (retrofit_block): Likewise.
4777 (identify_blocks): Fix indentation.
4778 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4779 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4780 * function.h (insert_block_after_note): Remove prototype.
4781 (retrofit_block): Likewise.
4782 * integrate.c (expand_inline_function): Don't call
4783 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4784 just expand_start_bindings. Use the block_map to remap old
4785 NOTE_BLOCKs to new ones.
4786 (integrate_decl_tree): Keep track of remapped blocks.
4787 * integrate.h (struct inline_remap): Add block_map.
4788 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4789 NOTE_BLOCK on the notes.
4790 (expand_start_bindings): Rename to ...
4791 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4792 (expand_end_bindings): Set NOTE_BLOCK.
4793 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4794 reconstruct the BLOCK tree.
4795 * tree.h (expand_start_bindings): Macroize. Call ...
4796 (expand_start_bindings_and_block): New function.
4798 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4800 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4801 to match the format.
4803 1999-12-16 David S. Miller <davem@redhat.com>
4805 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4806 the outputs is a SUBREG.
4807 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4810 * config/sparc/sparc.c (epilogue_renumber): Add default case
4813 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4815 * toplev.c (rest_of_compilation): Run branch shortening after
4818 * regclass.c (loop_depth): Remove
4819 (scan_one_insn): Do not handle LOOP_NOTE insns.
4820 (regclass): Go through basic blocks and set loop_cost
4822 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4824 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4826 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4828 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4829 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4830 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4832 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4834 * loop.c (insert_loop_mem): Ignore memory clobbers.
4836 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4839 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4841 * profile.c: Remove redundant #include "output.h".
4843 * h8300.md (HImode preinc peephole): Fix typo.
4845 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4847 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4848 (insert_block_after_note): Abort if we don't have a previous block.
4849 Remove FN parameter.
4850 * function.h: Adjust.
4852 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4854 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4855 argument more than once.
4857 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4859 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4861 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4863 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4865 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4867 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4868 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4869 update stack_alignment_needed.
4870 (prepare_function_start): Initialize stack_alignment_needed
4871 * function.h (struct function): Add field stack_alignment_needed.
4873 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4875 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4876 Handle live_throughout / dead_or_set instead of live_before /
4878 (save_call_clobbered_regs): Get register livenessinformation from
4879 chain->live_throughout.
4880 (add_stored_regs): New function.
4881 (insert_restore, insert_save): Add restored / saved registers to
4883 * global.c (reg_dies): New parameter chain.
4884 (reg_becomes_live): Third parameter is regs_set now.
4885 Changed all callers.
4886 (reg_dies): New parameter chain. Changed all callers.
4887 (build_insn_chain): Set live_throughout instead of
4888 live_before / live_after.
4889 * reload.h (struct insn_chain): Replace members live_before /
4890 live_after with live_throughout / dead_or_set.
4891 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4892 instead of live_before / live_after.
4893 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4894 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4895 (choose_reload_regs_init): Likewise.
4896 * stupid.c (current_chain, find_clobbered_regs): Delete.
4897 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4898 instead of chain->live_before / chain->live_after.
4899 (mark_hard_ref): New function.
4900 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4902 1999-12-15 David S. Miller <davem@redhat.com>
4904 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4906 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4908 * flow.c (calculate_loop_depth): Make global, remove prototype,
4909 rewrite to use new loop infrastructure.
4910 (find_basic_block): Remove calculate_loop_depth call.
4911 * toplev.c (rest_of_compilation): Call find_basic_block.
4912 * output.h (calculate_loop_depth): Declare.
4914 * flow.c (dump_flow_info): Dump loop_depth.
4915 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4917 (flow_loops_find): Initialize the loop_depth for each basic block.
4919 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4921 * tree.c (decl_function_context): Handle virtual functions.
4923 * tlink.c (scan_linker_output): Don't look in demangled name when
4924 looking for linker output keywords.
4926 * dwarfout.c (output_type): We can defer namespace-scope classes.
4928 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4930 * regclass.c (record_reg_classes): Update comment for merging
4931 register class preferences in reg->reg copies. Tighten conditions
4932 for merging register class preferences in reg->reg copies.
4934 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4936 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4938 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4940 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4941 (INIT_SECTION_ASM_OP): Delete.
4942 (FINI_SECTION_ASM_OP): Delete.
4943 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4945 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4947 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4948 the abstract origin wasn't emitted.
4950 * dwarf2out.c (class_scope_p): New fn.
4951 (gen_subprogram_die): Use it.
4952 (gen_variable_die): Use it. Tweak logic.
4953 (gen_struct_or_union_type_die): Check context_die to determine
4954 if we're function-local.
4955 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4957 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4959 * loop.c (check_dbra_loop): Can't reverse a biv that has
4962 1999-12-14 Nick Clifton <nickc@cygnus.com>
4964 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4967 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4969 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4970 for givs made from biv increments.
4972 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4974 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4975 * alpha.c (override_options): Recognize -mcpu=ev67.
4976 * alpha.h (CPP_CPU_EV67_SPEC): New.
4977 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4978 (EXTRA_SPECS): Update.
4980 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4982 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4983 appropriate for -lang-c89 and -std=*.
4984 * cppinit.c (cpp_handle_option): Likewise.
4985 (new_pending_define): New, split out from cpp_handle_option.
4986 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4987 or enable trigraphs for -ansi/-std=*.
4989 * ginclude/stdarg.h (__va_copy): New.
4990 (va_copy): Don't define for C89.
4992 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4994 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4995 for long long multiply-accumulate.
4997 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4999 * regclass.c (scan_one_insn): Set loop_cost to 1 when
5000 optimizing for size.
5002 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
5004 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
5005 if something changed. Back out that part of yesterday's changes.
5007 * loop.c (loop_max_reg): New static variable.
5008 (loop_optimize): Initialize it. Eliminate one unnecessary call to
5010 (scan_loop): Call reg_scan_update whenever we may have added new
5011 registers, and update loop_max_reg.
5013 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5015 * regclass.c (record_reg_classes): Do not do the copying preferrencing
5016 when source does not die.
5018 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
5020 1999-12-14 Jakub Jelinek <jakub@redhat.com>
5022 * config/sparc/linux64.h (TARGET_LIVE_G0,
5023 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
5025 * config/sparc/linux.h (TARGET_LIVE_G0,
5026 TARGET_BROKEN_SAVERESTORE): Likewise.
5027 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5028 TARGET_BROKEN_SAVERESTORE): Likewise.
5030 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
5031 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
5033 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
5034 as sparc64 block profiling register.
5035 * config/sparc/sparc.c (sparc_override_options): Allow block
5036 profiling with -m32.
5037 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
5039 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
5040 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
5041 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
5043 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
5045 * config/sparc/sparc.h: Likewise.
5046 * config/sparc/xm-sysv4-64.h: Likewise.
5047 * config/float-sparc.h: Likewise.
5048 * glimits.h: Likewise.
5049 * longlong.h: Likewise.
5051 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
5052 (ASM_IDENTIFY_GCC): Remove.
5054 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
5056 * combine.c (combine_simplify_rtx): Don't make shared rtl.
5057 (simplify_logical): Likewise.
5059 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
5061 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
5062 * cppfiles.c (INO_T_EQ): Likewise.
5064 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
5066 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
5067 * i386/mingw32.h (LIB_SPEC): Likewise.
5068 (STARTFILE_SPEC): Likewise.
5069 * i386/uwin.h (LIB_SPEC): Likewise.
5070 (STARTFILE_SPEC): Likewise.
5072 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
5073 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
5075 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
5077 * combine.c (combine_simplify_rtx): Fix order of checks for
5078 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
5080 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
5082 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
5083 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
5085 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5087 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
5089 * regclass.c (inv_reg_alloc_order): New array.
5090 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
5092 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
5093 counted_for_groups, counted_for_nongroups. Add fields rld and
5095 * reload.c (push_secondary_reload): Don't set nongroup field of
5097 (push_reload): Likewise.
5098 (find_reloads): Delete code to compute nongroup fields.
5099 * reload1.c (reload_insn_firstobj): New static variable.
5100 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
5102 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
5103 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
5104 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
5106 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
5108 (struct hard_reg_n_uses): Deleted.
5109 (potential_reload_regs): Deleted.
5110 (init_reload): Initialize spilled_pseudos and pseudos_counted.
5111 (reload): Don't try to allocate reload registers if we already know
5112 we have to make another pass. Call select_reload_regs. Free memory
5113 starting with reload_firstobj when starting another pass.
5114 Don't allocate spilled_pseudos.
5115 (calculate_needs_all_insns): Call copy_reloads for an insn that
5116 needs reloads; don't call calculate_needs.
5117 (spill_cost): New static array.
5118 (used_spill_regs_local): New static variable.
5119 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
5120 to compute potential_reload_regs.
5121 (find_reload_regs): Completely rewritten to use find_reg.
5122 (allocate_reload_reg): Don't test counted_for_groups or
5123 counted_for_nongroups. Lose NOERROR arg and code to give an error;
5125 (choose_reload_regs): Add fallback code that uses the existing
5126 register allocation from find_reload_regs.
5128 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
5130 * flow.c (create_edge_list): Cast xmalloc return value.
5132 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
5134 * doprnt.c: Remove incorrect comment closure.
5136 * cse.c: Fix a few minor whitespace goofs.
5138 1999-12-13 Don Bowman <don@pixstream.com>
5140 * mips/vxworks.h: Fix problem with comment termination.
5141 (EXTRA_SECTIONS): Add in_sbss.
5142 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
5144 1999-12-12 David S. Miller <davem@redhat.com>
5146 * cse.c (struct cse_reg_info): Add hash_next member,
5147 reorder rest of struct for better packing on 64-bit
5149 (cse_reg_info_tree): Kill.
5150 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
5151 REGHASH_FN): New custom pow2 hash mechanism.
5153 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
5154 use a pow2 hash table.
5155 (get_cse_reg_info): Rework to use new REGHASH.
5156 (new_basic_block): Likewise, use HASH_SIZE, and inline
5158 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
5159 and inline free_element call.
5160 (lookup_as_function, insert, flush_hash_table, invalidate,
5161 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
5162 invalidate_for_call, use_related_value, find_comparison_args,
5163 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
5164 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
5167 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
5169 * cse.c (cse_basic_block): Free qty_table consistently.
5171 1999-12-12 David S. Miller <davem@redhat.com>
5172 Jakub Jelinek <jakub@redhat.com>
5174 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
5175 SUBREGs by hand, gen the appropriate hard reg directly.
5176 (movtf reg/mem split): Likewise and alter_subreg on destination
5178 (movtf mem/reg split): Similarly.
5179 (movdf_cc_sp64): Rename from hidden pattern.
5180 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
5181 (movtf_cc_sp64, following split): New pattern and splitter.
5182 (movdf_cc_reg_sp64): Rename from hidden pattern.
5183 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
5185 (movtf_cc_reg_sp64, following split): New pattern and splitter.
5187 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
5189 * loop.c (load_mems): Don't hoist written floating point mem
5192 1999-12-12 Mark Mitchell <mark@codesourcery.com>
5194 * except.h (struct eh_queue): Add `next' pointer.
5195 (struct eh_status): Make x_ehqueue a pointer.
5196 (push_ehqueue): Declare.
5197 (pop_ehqueue): Likewise.
5198 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
5200 (expand_fixup_region_end): Likewise.
5201 (expand_leftover_cleanups): Likewise.
5202 (push_ehqueue): Define.
5203 (pop_ehqueue): Likewise.
5204 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
5205 than doing it inline.
5206 (expand_start_all_catch): Adjust now that ehqueue is a
5208 (mark_eh_queue): Mark all level of the queue.
5209 (mark_eh_status): Adjust now that ehqueue is a
5211 (init_eh_for_function): Allocate ehqueue.
5212 (free_eh_status): Free it.
5213 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
5214 expansion for a fixup.
5216 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5218 * gthr-single.h (__gthread_active_p): Add prototype arguments.
5220 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
5221 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
5222 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
5223 function_ptr, getpagesize, __enable_execute_stack,
5224 __enable_execute_stack, __clear_insn_cache,
5225 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
5226 _cleanup, _exit, __default_terminate, __terminate_func,
5227 __terminate, __empty, __throw, new_eh_context,
5228 eh_context_initialize, eh_context_static, eh_context_specific,
5229 get_eh_context, __get_eh_context, __get_eh_info,
5230 init_reg_size_table, eh_threads_initialize,
5231 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
5232 __unwinding_cleanup, throw_helper, __throw, __rethrow,
5233 __pure_virtual): Add prototype arguments.
5234 (__bb_exit_func): Cast a sizeof to long when comparing against one.
5235 Cast a signed value to unsigned long when comparing against one.
5236 (new_eh_context): Wrap in _GTHREADS macro.
5237 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
5239 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
5240 (throw_helper): Initialize variables `handler_p' and `pc_p'.
5242 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5244 * combine.c (record_promoted_value): Remove unused variable
5247 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
5249 * global.c (record_conflicts): Likewise for `j'.
5251 * genoutput.c (output_insn_data): Don't unnecessarily cast away
5254 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5256 * i386-protos.h (output_387_binary_op, output_fix_trunc,
5257 output_fp_compare): Constify a char*.
5259 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
5261 (override_options, ix86_comp_type_attributes, print_operand,
5262 output_387_binary_op, output_fix_trunc, output_fp_compare):
5264 (ix86_sched_reorder): Mark parameter `clock_var' with
5267 * i386.h (DEBUG_PRINT_REG): Constify a char*.
5269 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
5271 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
5272 operand, for use in the Java front-end.
5274 1999-12-10 Ben Collins <bcollins@debian.org>
5276 * configure.in: Fix typo for "-64" in 64bit as check.
5277 * configure: Rebuilt.
5279 1999-12-10 Jakub Jelinek <jakub@redhat.com>
5281 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
5284 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5286 * c-parse.in (string): With -Wtraditional, warn if ANSI string
5287 concatenation is utilized.
5289 * invoke.texi (-Wtraditional): Document it.
5291 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5293 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
5294 Cast a ptrdiff_t to long and pass it to printf with %ld.
5296 1999-12-10 Geoff Keating <geoffk@cygnus.com>
5298 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
5299 68881, we have no 68881 registers at all.
5300 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
5301 value in a 68881 register if it is available.
5303 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
5305 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
5306 for long long multiply-accumulate.
5308 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5310 * loop.c (insert_loop_mem): Undo last change.
5312 1999-12-10 David S. Miller <davem@redhat.com>
5314 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
5316 * config/sparc/sparc-protos.h: Add them.
5317 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
5318 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
5319 constraints which use those helpers.
5320 (EXTRA_CONSTRAINT): Use this new macro.
5321 * md.texi: Update sparc target constraints documentation.
5322 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
5323 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
5324 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
5325 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
5326 (movsf high/lo_sum split): Rework for new patterns.
5327 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
5329 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5331 * c-common.c (c_common_nodes_and_builtins):
5332 Create __builtin_ptrdiff_t and __builtin_size_t.
5334 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
5336 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
5338 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5340 * regclass.c (globalize_reg): Re-instate test that allows
5341 fixed registers to be declared as a variable even after functions
5344 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5346 * i386.md (cpu attribute): Add "athlon".
5347 (athlon_decode): New attribute.
5348 (Athlon scheduling units definitions): New.
5349 (fcmp and shld patterns): Set athlon_decode to "vector".
5350 * i386.c (athlon_cost): New.
5352 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
5353 x86_use_sahf): Set for Athlon.
5354 (x86_use_fiop): Unset for Athlon.
5355 (override_options): Define Athlon alignments and "athlon" name.
5356 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
5357 * i386.h (TARGET_ATHLON): New.
5358 (enum processor_type): Add PROCESSOR_ATHLON.
5359 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
5361 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
5363 1999-12-09 Andreas Jaeger <aj@suse.de>
5365 * loop.c (record_biv): Declare parameter as int.
5367 * config/i386/i386-protos.h: Declare long_memory_operand.
5369 1999-12-09 Mark Mitchell <mark@codesourcery.com>
5371 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
5372 EXPR_WITH_FILE_LOCATION.
5374 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5376 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
5379 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
5381 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
5384 1999-12-09 Jakub Jelinek <jakub@redhat.com>
5386 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
5387 default on linux64 again.
5388 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
5389 models for multilibing.
5390 * genmultilib: Accept | as alternative separator within a set in
5393 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
5395 * calls.c (precompute_arguments): Make sure initial_value contains
5396 value pseudo which CSE expects.
5397 * cse.c (struct set): New entry orig_src.
5398 (cse_insn): Set it early on entry, use it for libcall EQUIV note
5401 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
5403 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
5405 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5407 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
5409 1999-12-08 Jakub Jelinek <jakub@redhat.com>
5411 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
5412 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
5414 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
5417 * longlong.h: Merge in changes from glibc.
5418 Also don't clobber %g2 register in 32bit SPARC assembly, so that
5419 -mno-app-regs libgcc can be compiled.
5420 * libgcc2.c: Add defines so that the updated longlong.h
5421 can be used in libgcc2.a. Also, make sure on most architectures
5422 (at least on all which have optimized code in longlong.h defined
5423 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5425 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5427 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5428 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5429 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5431 * configure: Rebuilt.
5433 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5435 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5436 outputs require a register.
5438 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5440 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5441 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5442 functions like dptoul will be resolved.
5443 (libgcc2.a): Make sure that the object files from DPBIT are named
5444 differently (prefix `_dp') from those that would be coming from
5447 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5449 * configure.in: When target is sparc* and tm_file contains 64,
5450 test for 64bit support in assembler. If not supported, remove
5451 sparc/t-sol2-64 from target-dependent Makefile fragments.
5452 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5453 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5454 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5455 * acconfig.h (AS_SPARC64_FLAG): Added.
5456 * configure, config.in: Rebuilt.
5457 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5458 support. Use AS_SPARC64_FLAG.
5460 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5462 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5463 suitable for holding OFmode values so that gcc works with complex
5465 (hard_64bit_mode_classes): Likewise.
5467 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5468 so that it is actually matched.
5469 (sethi_di_medlow): Likewise.
5471 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5472 as legitimate constant if -mvis.
5473 * config/sparc/sparc.md (movtf): Likewise.
5474 (clear_sf): Use const_double_operand.
5475 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5477 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5478 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5479 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5480 routines, _Qp_* cannot be handled like that now.
5481 (INIT_TARGET_OPTABS): Likewise.
5482 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5483 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5484 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5485 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5486 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5487 divtf3, sqrttf3): New expanders.
5488 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5489 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5490 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5493 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5494 * configure: Rebuilt.
5495 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5496 -mcpu is given and we're doing 64bit compiles.
5498 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5500 * loop.h (struct induction): Add multi_insn_incr.
5501 * loop.c (basic_induction_var): New multi_insn_incr argument.
5502 Set it if we search back through previous insns for the biv.
5503 (record_biv): New multi_insn_incr argument; fill in struct induction.
5504 (strength_reduce): Discard an iv with multiple bivs, any of
5505 which require multiple insns to increment.
5507 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5509 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5512 1999-12-06 David S. Miller <davem@redhat.com>
5514 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5515 PROMOTE_FUNCTION_RETURN.
5517 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5519 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5520 and handle REG_UNUSED note on insn.
5522 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5523 inner_mask instead of mask.
5525 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5527 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5528 zero if there was an error.
5530 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5532 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5535 * longlong.h: Fix clobbers in SPARC asm statements.
5537 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5538 valid sethi operations when TARGET_ARCH64.
5540 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5541 always use move_by_pieces to avoid infinite recursion.
5542 (restore_fixed_argument_area): Likewise.
5544 * combine.c (check_promoted_subreg, record_promoted_value): New
5546 (combine_instructions): Use them to retain nonzero and sign bit
5547 information after SUBREGs are eliminated by optimizations in
5548 this pass if PROMOTE_FUNCTION_RETURN.
5550 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5551 .register declaration. Don't use variables with __ prefixes.
5553 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5555 * fold-const.c (optimize_bit_field_compare): Only use one mode
5556 for both RHS and LHS in non-constant case.
5558 1999-12-06 Nathan Sidwell <nathan@acm.org>
5560 * frame.c (start_fde_sort): Only allocate erratic array, if
5561 linear one was allocated. Return allocated flag.
5562 (fde_insert): Only insert, if there's a valid array.
5563 (fde_end_sort): Split, sort and merge if linear and erratic
5564 arrays exist, else just sort linear one.
5565 (search_fdes): New function. Linear search through original fde
5567 (frame_init): Permit multiple initializations. Cope with
5569 (find_fde): Fallback on linear search, if failed to sort array.
5570 (__deregister_frame_info): Only free sorted array, if we
5573 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5575 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5577 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5579 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5581 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5583 * tree.h (special_function_p): Declare.
5584 * calls.c (special_function_p): Make it global. Don't take `name'
5585 as a parameter. Fix typo in 1999-11-28 change.
5586 (expand_cal): Adjust.
5588 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5590 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5591 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5592 EXPR_WFL_FILENAME_NODE.
5593 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5595 * print-tree.c (print_note): Print TREE_PRIVATE and
5598 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5599 the original die cannot be found.
5601 * varray.h (varray_head_tag): Add elements_used.
5602 (VARRAY_PUSH): New macro.
5603 (VARRAY_POP): Likewise.
5604 (VARRAY_TOP): Likewise.
5605 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5607 * varray.c (varray_init): Initialize elements_used.
5608 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5609 (INTEGRATE_H): New variable.
5610 (integrate.o): Depend on INTEGRATE_H.
5611 (unroll.o): Likewise.
5613 * function.h (insert_block_after_note): Declare.
5614 * function.c (insert_block_after_note): Split out from ...
5615 (retrofit_block): ... here.
5617 * stmt.c (expand_fixup): Fix typo in comment.
5619 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5621 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5622 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5623 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5624 (regmove_optimize, fixup_match_1): Likewise.
5626 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5628 * flow.c (flow_loops_dump): Add missing argument when calling
5631 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5632 Greg McGary <gkm@gnu.org>
5634 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5635 (init_attributes): Add A_NO_LIMIT_STACK.
5636 (decl_attributes): Handle A_NO_LIMIT_STACK.
5637 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5638 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5639 Handle stack bounds checking.
5640 * flags.h (flag_stack_check): Use the word 'probe' rather than
5641 'check', because the flag doesn't actually cause any checking to
5643 * function.c (expand_function_start): Set
5644 current_function_limit_stack.
5645 * function.h (struct function): Add limit_stack.
5646 (current_function_limit_stack): Define.
5647 * invoke.texi (Code Gen Options): Document new options.
5648 * rtl.h: Declare stack_limit_rtx.
5649 * toplev.c (stack_limit_rtx): New variable.
5650 (decode_f_option): Handle new options -fstack-limit-register=REG,
5651 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5652 (main): Add stack_limit_rtx as GC root.
5653 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5654 (struct tree_decl): New member no_limit_stack.
5656 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5658 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5659 (conditional_trap+1): Get new mnemonic correct.
5660 (conditional_trap+2): New pattern for DImode traps.
5662 * config/m68k/m68k.c (output_function_prologue): Handle
5664 * config/m68k/m68k.md (trap): New insn.
5665 (conditional_trap): New insn.
5666 * md.texi (Standard Names): Document `trap' and
5668 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5669 so a cc0 setter doesn't get emitted at some random place in the
5672 * config/i960/i960.md (trap): New insn.
5673 (conditional_trap): New expander.
5674 (conditional_trap+1, conditional_trap+2): New insns for signed
5676 * config/i960/i960.c (i960_function_prologue): Use
5677 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5679 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5680 Geoffrey Keating <geoffk@cygnus.com>
5682 * flags.h (warn_padded, warn_packed): Add global var decls.
5683 * toplev.c (warn_padded, warn_packed): Add global var defns.
5684 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5685 * stor-layout.c (layout_record): Add local variable `type'
5686 to hold often-used TREE_TYPE (field). Add local variable
5687 `unpacked_align' to hold alignment that would be in force
5688 if no `packed' attribute were present. Warn if `packed' attribute
5689 is unnecessary, or even harmful. Warn when gcc inserts padding
5690 to satisfy alignment requirements of members. Use NULL_TREE
5691 when checking whether var_size is set.
5692 * invoke.texi: Document new flags.
5694 1999-12-03 Nathan Sidwell <nathan@acm.org>
5696 * frame.c (fde_split): Reimplement to avoid variable sized array.
5698 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5700 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5701 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5703 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5705 * invoke.texi: Document the mips option -mno-crt0
5707 1999-12-02 Mike Karr <mkarr@mathworks.com>
5709 * cccp.c (argdata): Added free_ptr member.
5710 (macroexpand): Initialize free_ptr of each argument. When an
5711 argument's buffers are freed, if the argument's free_ptr corresponds
5712 to a buffer on the input stack, then return the free_ptr to that stack
5713 frame, otherwise, free it.
5714 (macarg): If an argument begins and ends on the same input stack level,
5715 then transfer the free_ptr of that buffer to the argument in case
5716 the stack is popped during the processing of a subsequent argument.
5718 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5720 * loop.c (note_reg_stored): New function.
5721 (struct note_reg_stored_arg): New structure.
5722 (try_copy_prop): Change to be more conservative; only replace within
5723 one extended basic block and stop replacing if a store to the
5724 replacement reg is seen.
5726 1999-12-02 Nick Clifton <nickc@cygnus.com>
5728 * config/fp-bit.c: Initialise all fields of the NAN
5731 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5734 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5736 * i386.md (extend?f?f2): Force the input into a register, not
5739 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5741 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5743 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5744 alternative because setting up 64bit constant is usually costly,
5745 especially when reload is in progress or completed.
5746 (movdf_const_intreg_sp64): Likewise.
5747 (movdf_const_intreg split): Fix building up constants when
5748 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5750 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5752 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5753 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5756 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5757 (asm_file_start): Emit .am33 into assembly file when compiling for
5759 (print_operand_address): Handle POST_INC addresses.
5760 (can_use_return_insn, initial_offset): Check AM33 registers too.
5761 (expand_prologue): Check & save AM33 registers too.
5762 (expand_epilogue): Similarly.
5763 (secondary_reload_class): Handle AM33 specific secondary reloads.
5764 (output_tst): Emit efficient code for the AM33 too.
5765 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5766 (TARGET_SWITCHES): Add -mam33 switch.
5767 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5768 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5769 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5770 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5771 (enum reg_class, REG_CLASS_NAMES): Likewise.
5772 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5773 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5774 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5775 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5776 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5777 (HAVE_POST_INCREMENT): Define.
5778 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5779 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5780 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5781 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5782 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5783 (zero_extend to SI from QI/HI): Likewise.
5784 (sign_extend to SI from QI/HI): Likewise.
5785 (mulsidi3, umulsidi3): New patterns for the AM33.
5786 (tstsi with zero extension from QI/HI): Add AM33 variants.
5787 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5788 (return_internal_regs, store_movm): Handle new AM33 registers.
5789 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5790 (LIBGCC, INSTALL_LIBGCC): Likewise.
5791 * invoke.texi: Document new flags.
5793 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5795 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5796 (addsi3_carry): Likewise.
5797 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5798 (sbbsi3_carry): Likewise.
5799 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5801 (test?i_1): Ensure that only one operand is memory.
5802 (conditional move patterns): likewise.
5803 (shift and rotate patterns): Rewrite to expander, add
5804 "binary_operator_ok" to the condition.
5806 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5807 * i386.h (procesor_costs): Add movzbl_load field.
5808 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5809 non-Q registers, accept DImode registers anywhere.
5811 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5812 * i386.c (*_cost): Set value for movxbl_load field.
5814 * (addsi): New add to lea splitter.
5816 (lea to add/shift peep2): New.
5818 1999-12-01 Mark Salter <msalter@cygnus.com>
5820 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5821 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5822 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5824 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5826 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5827 * i386.md (movsi_xor): New.
5829 (movsi_1, movhi_1, movqi_1): Remove.
5830 (movsi_2): Rename to movsi_1.
5831 (movhi_2): Rename to movhi_1.
5832 (movqi_2): Rename to movqi_1.
5833 (movdi_1): Remove; remove splitter.
5834 (movdi_2): Rename to movdi_1.
5835 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5836 (long move peep2): Do not create QI or HI mode mov0s
5837 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5839 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5842 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5843 (abs?f2_if): Likewise.
5845 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5847 * ggc.h (ggc_test_and_set_mark): New macro.
5848 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5849 (ggc_mark_tree): Likewise.
5850 (ggc_mark_rtvec): Likewise.
5851 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5853 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5855 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5857 (decl_scope_table): Just an array of trees now.
5858 (push_decl_scope): Simplify.
5859 (dwarf2out_init): Adjust.
5860 (local_scope_p): New fn.
5861 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5862 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5863 (gen_typedef_die): Likewise.
5864 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5865 (gen_inlined_subroutine_die): Likewise.
5866 (gen_abstract_function): Set current_function_decl temporarily.
5867 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5868 Handle block extern declarations. Don't call push/pop_decl_scope.
5869 (gen_decl_die): Fix logic for block externs.
5871 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5873 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5874 to the list of functions which have attribute malloc by default.
5876 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5878 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5879 integer constant does not match the traditional type, limit the
5880 warnings to cases where the base of the type is ten.
5882 * invoke.texi (-Wtraditional): Document it.
5884 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5886 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5887 * rs6000.md: Only access a CONST_INT with INTVAL
5889 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5891 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5892 (compute_nearerout): Likewise.
5893 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5894 size_t to unsigned long for formatting.
5896 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5898 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5899 Allow the user to override call-used/fixed state of %g2-5
5900 registers from the command line (with the exception of %g4 for
5902 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5903 there is a higher chance of having a leaf function.
5904 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5905 for ARCH64 which has %ccr register.
5906 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5908 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5909 insn accept into delay slot any insn which does not use %[ol]
5910 registers. Accept some LO_SUM and shift left by 1 for the normal
5912 (output_function_epilogue): Likewise.
5913 (epilogue_renumber): Added argument which inhibits any renumbering
5914 and just tests if the rtx does not use any %[ol] registers.
5915 (output_return): Reflect above change.
5917 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5919 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5920 aggregate passing for sizes <= 16 bytes.
5922 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5924 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5925 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5926 * reload.c (find_dummy_reload): Likewise.
5927 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5928 * reload1.c (reload_as_needed): Likewise.
5929 * stupid.c (stupid_find_reg): Likewise.
5930 * tm.texi (Obsolete Register Macros): Delete section.
5931 * gmicro.h: Remove all traces of the two macros.
5936 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5938 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5939 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5940 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5941 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5942 units for the sparclite86x chip.
5943 (flush): Revert October 14th change; add SImode specifically.
5944 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5945 * invoke.texi: Document it.
5947 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5949 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5950 psimode_truncation_operand.
5952 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5953 function. Return true if the operand is either a MEM valid
5954 for a PSImode address or not a MEM at all.
5956 * config/mn10200/mn10200.md (truncsipsi2): Use
5957 psimode_truncation_operand.
5959 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5961 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5962 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5963 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5964 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5965 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5966 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5967 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5968 * basic-block.h: Protect from multiple inclusion.
5969 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5970 (struct loops, struct loop): Define structures.
5971 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5972 * sbitmap.h: Protect from multiple inclusion.
5973 (sbitmap_a_subset_b_p): Add prototype.
5974 * Makefile.in (LOOP_H): New macro.
5975 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5977 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5979 * cppinit.c (CAT): The argument list of this macro may not contain
5982 1999-11-29 David S. Miller <davem@redhat.com>
5984 Move quantity tables and register equivalence chains into
5985 per-qty and per-register structure arrays respectively.
5986 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5987 qty_const_insn, qty_comparison_code, qty_comparison_const,
5988 qty_comparison_qty): Delete, replace with...
5989 (qty_table): this structure table.
5990 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5991 (reg_eqv_table): this structure table.
5992 (make_new_qty): Add argument MODE. Caller updated.
5993 Update to use qty_table and reg_eqv_table.
5994 (make_regs_eqv, delete_reg_equiv, insert_regs,
5995 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5996 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5997 cse_process_notes, cse_main, cse_basic_block): Likewise.
5999 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6001 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
6002 operation if C is negative.
6003 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
6004 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
6005 law for some divisions if constant is negative and change other
6006 divisions to the opposite rounding.
6008 * expr.c (store_constructor_field): If bit position is not multiple
6009 of alignment of TARGET's mode, use BLKmode.
6011 * expr.c (expand_expr_unaligned): Add more code from full case
6012 that is needed when OP0 is in a register.
6014 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6016 * dwarfout.c (field_byte_offset): Size can be zero if there was
6019 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
6021 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
6022 (associate_trees): Delete unused var TEM.
6023 (extract_muldiv): Delete unused var CANCEL_P.
6025 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
6026 (target_isinf, target_isnan, target_negative): Add return types to
6027 function definitions.
6029 1999-11-29 Bruce Korb <autogen@linuxbox.com>
6031 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
6032 * fixinc/hackshell.tpl: ditto
6033 * fixinc/fixtests.c(double_slash_test): more C++ header testing
6034 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
6036 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
6038 * reload.c (push_reload): When looking for a register to put into
6039 reg_rtx, make sure all hard regs in a multi-reg register are in the
6040 right class and nonfixed.
6042 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
6043 pending_read_insns, pending_write_insns, pending_read_mems,
6044 pending_write_mems, pending_list_length, last_pending_memory_flush,
6045 last_function_call, sched_before_next_call): Move static variables
6047 (bb_ prefixed versions): Replace with single array bb_deps.
6048 (struct deps): New structure.
6049 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
6050 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
6051 argument of type "struct deps *"; use that instead of global
6052 variables. All callers changed.
6053 (init_rgn_data_dependencies): Delete function.
6054 (init_rtx_vector): Delete function.
6055 (init_deps): New function.
6057 (free_pending_lists): Simplify, we always use the bb_deps array even
6058 if only one basic block.
6059 (compute_block_backward_dependences): Likewise.
6060 (schedule_region): Likewise.
6062 (propagate_deps): New function, broken out of
6063 compute_block_backward_dependences.
6064 (compute_block_backward_dependences): Use it.
6066 * alpha.md: Delete useless patterns that tried to work around
6067 register elimination problems.
6069 * unroll.c (loop_iterations): Don't abort if iteration variable
6072 From Joern Rennecke:
6073 * reload1.c (reloads_conflict): Reverse test comparing operand
6074 numbers when testing for conflict between output/outaddr reloads.
6076 1999-11-29 David S. Miller <davem@redhat.com>
6078 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
6080 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
6082 1999-11-28 Robert Lipe <robertl@cygnus.com>
6084 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
6085 table from .fini into .dtor.
6087 1999-11-28 Anthony Green <green@cygnus.com>
6089 * tree.h (struct tree_decl): Add malloc_flag.
6090 (DECL_IS_MALLOC): Define.
6091 * c-common.c (attrs): Add A_MALLOC attribute.
6092 (init_attributes): Add this attribute to the table.
6093 (decl_attributes): Handle malloc attribute.
6094 * calls.c (special_function_p): Check for the malloc attribute.
6095 * extend.texi (Function Attributes): Document malloc attribute.
6097 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
6099 * pa.md (reload shift-add patterns): Remove.
6101 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6103 * reorg.c (dbr_schedule) Print more statistics. Corrected
6104 problem when printing info when 3 delay slots are filled.
6106 1999-11-28 Jakub Jelinek <jakub@redhat.com>
6108 * combine.c (setup_incoming_promotions): Pass an outgoing
6109 regno to FUNCTION_ARG_REGNO_P which it expects.
6111 1999-11-28 Andreas Jaeger <aj@suse.de>
6113 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
6115 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
6117 * cccp.c (do_include): Avoid initialization of automatic variable.
6119 * integrate.c (mark_stores): Function definition made void, to match
6120 previous declaration.
6121 * regclass.c (dump_regclass): Ditto.
6122 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
6124 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6126 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
6127 known to be multiple of divisor.
6129 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
6131 * combine.c (try_combine): Add code to try to merge a set of a
6132 two-word pseudo to a constant with a setting of one of those words
6135 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
6136 (split_tree): Completely rework to make more general.
6137 (make_range, fold): Call negate_expr.
6138 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
6139 (fold, associate): Call new split_tree and associate_trees.
6140 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
6142 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
6144 * loop.c (try_copy_prop): Avoid GNU C extension.
6146 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6148 * except.c (init_eh_for_function): Still zero eh_return_context,
6149 eh_return_stack_adjust, and eh_return_handler.
6151 * except.h (eh_status): Adjust documentation for x_protect_list.
6152 (begin_protect_partials): New function.
6153 * except.c (enqueue_eh_entry): Fix formatting.
6154 (get_first_handler): Add consistency check.
6155 (add_partial_entry): Adjust usage of protect_list.
6156 (emit_cleanup_handler): Save and restore ehqueue.
6157 (expand_start_all_catch): Add comment.
6158 (begin_protect_partials): New function.
6159 (end_protect_partials): Adjust usage of protect_list.
6160 (init_eh_for_function): Use xcalloc.
6162 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6164 * c-common.c (check_format_info): Don't call a variadic function
6165 with a non-literal format string.
6167 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
6169 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
6170 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
6173 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
6176 * collect2.c (collect_wait): Likewise.
6178 * dbxout.c (dbxout_type): Likewise.
6180 * gcc.c (do_spec_1): Likewise.
6182 * genemit.c (gen_insn, gen_expand): Likewise.
6184 * genrecog.c (write_switch, write_subroutine): Likewise.
6186 * mips-tfile.c (catch_signal, botch): Likewise.
6188 * print-rtl.c (print_rtx): Likewise.
6190 * toplev.c (default_print_error_function, report_error_function,
6191 _fatal_insn): Likewise.
6193 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6195 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
6197 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6199 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
6200 operations when needed.
6201 * i386.md (fop_?f_comm): New.
6202 (fop_?f_1): Do not accept commutative operands.
6204 1999-11-25 Andreas Jaeger <aj@suse.de>
6206 * config/mips/mips.md (casesi_internal): Add missing brace.
6208 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
6210 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
6211 (splice_child_die): Handle moving a child DIE from the declaration
6212 DIE of a class to its specification.
6213 (gen_struct_or_union_type_die): Use 'complete' consistently.
6214 (gen_decl_die): Generate the virtual context DIE first.
6215 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
6217 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
6219 * config/mips/mips.md (call_value_multiple_interanal1): New.
6221 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
6223 * dwarf2out.c (free_AT, free_die): New fns.
6224 (remove_children): Call them.
6225 (output_line_info): Disable removal of duplicate notes.
6227 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
6228 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
6229 means pretend the type isn't defined.
6230 Don't defer emitting types.
6231 (gen_type_die_for_member): New fn.
6232 (gen_decl_die): Call it.
6233 (splice_child_die): New fn.
6234 (gen_member_die): Call it rather than generate duplicate dies.
6236 Defer emitting information for the abstract instance of an inline
6237 until we either inline it or emit an out-of-line copy.
6238 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
6239 from output_inline_function if DECL_ABSTRACT is also set.
6240 (block_ultimate_origin): Likewise.
6241 (gen_abstract_function): New fn.
6242 (gen_decl_die, gen_inlined_subroutine_die): Call it.
6243 (gen_subprogram_die): An abstract instance is not a declaration
6244 just because it doesn't match current_function_decl. Don't abort
6245 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
6246 has an abstract origin.
6247 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
6248 abstract instance here.
6250 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
6252 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
6253 where we need to reload fpul from a system register.
6255 1999-11-24 Andreas Jaeger <aj@suse.de>
6257 * config/mips/linux.h (CPP_PREDEFINES): Added.
6258 (LINK_SPEC): Remove -Y since this is only needed on sparc.
6260 1999-11-24 Andreas Jaeger <aj@suse.de>
6262 * config/mips/linux.h (TARGET_VERSION): Added.
6263 (HANDLE_SYSV_PRAGMA): Added.
6264 (DEFAULT_VTABLE_THUNKS): Added.
6266 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6268 * local-alloc.c (qty): New structure and static variable.
6269 (qty_phys_reg): Remove, all references changed to qty.
6270 (qty_n_refs): Likewise.
6271 (qty_min_class): Likewise.
6272 (qty_birth): Likewise.
6273 (qty_death): Likewise.
6274 (qty_size): Likewise.
6275 (qty_mode): Likewise.
6276 (qty_n_calls_crossed): Likewise.
6277 (qty_alternate_class): Likewise.
6278 (qty_changes_size): Likewise.
6279 (qty_first_reg): Likewise.
6280 (alloc_qty): Rename variable QTY to QTYNO.
6281 (finf_free_reg): Likewise.
6282 (local_alloc): Allocate qty, do not allocate the removed variables.
6284 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
6286 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
6287 when -membedded-pic is passed.
6289 * config/mips/mips.md (casesi): Handle 64-bit case too.
6290 (casesi_internal_di): New insn.
6292 * config/mips/mips.c (embedded_pic_offset): Always make the
6293 embedded-pic subtractions relative to the name of the current
6294 function by use of the magic string "..CURRENT_FUNCTION".
6295 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
6297 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
6299 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
6300 of (const_int 0), when what we really care about is
6301 whether it's a zero constant anyway.
6302 (div_trap_mips16): Likewise.
6304 1999-11-23 Mark Mitchell <mark@codesourcery.com>
6306 * loop.c (loop_optimize): Always find_loop_tree_blocks and
6307 unroll_block_trees when generating debuggable code.
6309 * tree.h (unsave_expr_1): New function.
6310 (lang_unsave): New variable.
6311 (get_callee_fndecl): New function.
6312 * tree.c (unsave_expr_now_r): New function.
6313 (lang_unsave): Define.
6314 (unsave_expr_1): Likewise.
6315 (unsave_expr_now_r): Split out from unsave_expr_now.
6316 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
6317 call unsave_expr_now_r.
6318 (get_callee_fndecl): Define.
6320 * Makefile.in (gencheck): Don't depend on lang_tree_files.
6321 (gencheck.o): Do depend on lang_tree_files.
6323 * integrate.h (copy_decl_for_inlining): New declaration.
6324 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
6325 (copy_decl_for_inlining): New function.
6326 (integrate_parm_decls): Use it.
6327 (integrate_decl_tree): Likewise.
6329 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
6331 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
6332 the second two from the first.
6333 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
6334 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
6335 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6337 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
6338 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6341 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
6343 * pa.md (call_internal_symref, call_value_internal_symref): No mode
6344 needed on the address operand.
6345 * pa.c (call_operand_address): Check for the correct mode.
6347 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
6349 * loop.c: Include "basic-block.h".
6350 (try_copy_prop, replace_loop_reg): New functions.
6351 (load_mems): Detect registers that just hold copies of the hoisted
6352 mem, and call try_copy_prop to eliminate them.
6353 * Makefile.in (loop.o): Update dependencies.
6355 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
6357 * Makefile.in (gencheck.o): Depend on gencheck.h.
6358 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
6359 (insn-peep.o): Depend on except.h and function.h.
6360 (insn-attrtab.o): Depend on RECOG_H.
6361 (insn-output.o): Depend on toplev.h and flags.h.
6362 (gengenrtl.o): Depend on real.h.
6363 (gen-protos.o): Depend on cpplib.h and cpphash.h.
6364 Unify all dependencies to be on RECOG_H rather than recog.h.
6366 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6368 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
6369 * configure.in: Try building a bi-arch 32/64-bit compiler on
6370 sparc-*-solaris2.7 and higher.
6371 * configure: Rebuild.
6373 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
6375 * config/freebsd.h: New, FreeBSD architecture independent file.
6376 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
6378 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
6379 directly by i386/freebsd.h.
6380 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
6381 independent configuration file.
6382 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
6383 directly by i386/freebsd.h.
6384 * configure: Rebuilt.
6386 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
6387 which is in the user's namespace.
6388 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
6389 `i386' which is not in our namespace.
6391 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
6393 * invoke.texi (ARM Options): Add in -mno-alignment-traps
6395 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6397 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
6398 (add_dwarf_attr, add_child_die): Just push onto the front.
6399 (reverse_die_lists): New fn.
6400 (add_sibling_attributes): Use it.
6401 (push_decl_scope): Reorganize.
6402 (add_name_and_src_coords_attributes): Don't set file and line for
6404 (gen_subprogram_die): An artificial function doesn't need to match
6406 (gen_compile_unit_die): Return the generated die. Only add
6407 AT_comp_dir if the filename is relative.
6408 (remove_AT): Simplify loop. Also free string values.
6409 (output_die): A DIE ref can't be null.
6410 (output_value_format, value_format): Take a dw_attr_ref.
6411 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
6412 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6413 AT_addr, AT_lbl): New fns.
6414 (various): Use them.
6415 (various): Constify.
6417 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6419 * combine.c (combine_simplify_rtx): When handling a SUBREG,
6420 take SUBREG_WORD into account.
6421 (if_then_else_cond): Likewise.
6423 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6425 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6426 clause from BSD license, pursuant with
6428 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6430 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6432 * loop.c (load_mems): Reformat slightly.
6433 * basic-block.h (regset_head): New typedef.
6434 (INIT_REG_SET): New macro.
6436 1999-11-22 Bruce Korb <autogen@linuxbox.com
6438 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6439 (mips-dec-bsd*): non-functional code
6440 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6442 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6443 added three replacement fixes
6444 (no_double_slash): removed comments that are not (any longer) pertinent
6445 (bad_lval): this fix currently runs against many files.
6446 The comment seems to indicate that we should select for files
6447 containing 'pragma extern_prefix'.
6449 * fixinc/fixinc.x86-linux-gnu: deleted
6450 * fixinc/inclhack.sh: regen
6451 * fixinc/fixincl.x: regen
6452 * fixinc/fixincl.sh: regen
6454 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6456 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6457 its code is INSN and it has no notes.
6459 1999-11-22 Andrew Haley <aph@cygnus.com>
6461 * varasm.c (function_defined): Remove.
6462 (make_function_rtl): Don't set function_defined.
6463 (make_decl_rtl): Remove global register warning.
6464 * regclass.c (no_global_reg_vars): New variable.
6465 (globalize_reg): Warn if function has already been defined.
6466 (regclass_init): Set no_global_reg_vars.
6468 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6470 * regclass.c (reg_pref): New structure and static variable
6471 (prefclass): Delete.
6473 (all uses of prefclass and altclass): Use reg_pref instead.
6475 1999-11-21 Nick Clifton <nickc@cygnus.com>
6477 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6479 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6480 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6481 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6483 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6485 * varasm.c (output_constructor): Solve problem with long long
6486 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6488 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6490 * global.c (allocno): New structure and static variable.
6491 (allocno_reg): Remove, all references replaced by allocno.
6492 (allocno_size): Likewise.
6493 (hard_reg_conflicts): Likewise.
6494 (hard_reg_preferences): Likewise.
6495 (hard_reg_copy_preferences): Likewise.
6496 (hard_reg_full_preferences): Likewise.
6497 (regs_someone_prefers): Likewise.
6498 (allocno_calls_crossed): Likewise.
6499 (allocno_n_refs): Likewise.
6500 (allocno_live_length): Likewise.
6501 (find_reg): Rename ALLOCNO to NUM.
6503 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6505 (may_move_out_cost): New variable.
6506 (init_reg_sets_1): Initialize may_move_out_cost.
6507 (record_reg_classes): Use may_move_out_cost.
6509 * regclass.c (dump_regclass): New function.
6510 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6511 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6512 pass rtl_dump_file to regclass.
6513 * rtl.h (regclass): Update prototype.
6515 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6517 * i386.md (neg, not and abs patterns): Revmap to use
6518 ix86_expand_unary_operator and ix86_unary_operator_ok.
6519 (add?f and sub?f expanders): Force operand 1 to register.
6520 * i386.c (ix86_expand_unary_operator): Rewrite.
6521 (ix86_unary_operator_ok): Ensure that memory operands
6523 (ix86_binary_operator_ok): Do not allow operand 1 to
6524 come into memory and operand 0 not.
6525 (ix86_expand_binary_operator): Ensure that
6526 src1 is not non-matching memory.
6528 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6529 to support integer registers and memory.
6530 (abss?2_integer): Likewise.
6532 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6533 (REG_CLASS_NAMES): Likewise.
6534 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6536 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6537 (movsf): Likewise; unify 4th and 5th alternative.
6539 (movdf_1): Likewise; rename to movdf_integer.
6540 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6541 remove redundant splitter.
6542 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6543 (movdf_nointeger): New.
6544 (movxf_nointeger): New.
6545 (pushxf_nointeger): New.
6547 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6548 memory operands in patterns.
6549 (fop*): Refuse two memory operands.
6551 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6552 on !TARGET_USE_CLTD CPUs.
6554 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6556 * extend.texi: Document C++ restricted pointers and references.
6558 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6560 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6561 (invalidate_skipped_set): Call it unconditionally.
6562 (cse_set_around_loop): Likewise.
6564 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6566 * rtl.texi (mem): Add documentation for alias-set argument
6569 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6571 * i386.h (struct_processor_costs): New fields int_load, int_store,
6572 fp_move, fp_load and fp_store
6573 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6575 (MEMORY_MOVE_COST): New macro.
6576 * i386.c (386_cost): Define new fields.
6577 (i486_cost): Likewise.
6578 (pentium_cost): Likewise.
6579 (pentiumpro_cost): Likewise.
6580 (k6_cost): Likewise.
6582 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6583 Geoffrey Keating <geoffk@cygnus.com>
6585 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6587 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6590 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6591 (TARGET_STRICT_ALIGNMENT): New macro.
6592 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6593 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6594 * invoke.texi (M680x0 Options): Document -mstrict-align.
6596 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6597 Richard Henderson <rth@cygnus.com>
6599 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6600 (ix86_split_long_move): Declare.
6601 * i386.c (split_xf, ix86_split_movdi): Remove.
6602 (ix86_split_to_parts, ix86_split_long_move): New.
6603 * i386.md (dimode move splitters): Use ix86_split_long_move.
6604 (dfmode move splitters): Likewise.
6605 (xfmode move splitters): Likewise.
6606 (movsf_1): Allow F->r.
6607 (movdf_1, movxf_1): Allow F->ro.
6609 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6611 * except.h (struct eh_entry): Add goto_entry_p.
6612 (eh_region_from_symbol): Remove prototype.
6613 * except.c (find_func_region_from_symbol): New function.
6614 (emit_cleanup_handler): Likewise.
6615 (eh_region_from_symbol): Make it static.
6616 (add_new_handler): Verify the argument.
6617 (find_func_region): Update comment.
6618 (expand_eh_region_end): Expand handlers here, rater than waiting
6619 until expand_leftover_cleanups or start_all_catch.
6620 (expand_leftover_cleanups): Don't expand here.
6621 (expand_start_all_catch): Or here.
6622 (expand_rethrow): Check the return value from find_func_region.
6623 * function.c (expand_function_end): Emit the catch_clauses.
6625 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6627 * integrate.c (expand_inline_function): Add necessary check for NULL.
6629 1999-11-18 Nick Clifton <nickc@cygnus.com>
6631 * toplev.c (main): Correctly detect an unrecognised option.
6633 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6634 a -f option if it has not been recognised.
6636 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6638 * basic-block.h (update_life_extent): Remove trailing comma on
6639 enumeration type list.
6641 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6643 * varasm.c (output_constructor) Solved problem with long long
6644 bitfields. Corrected calculating this_time and shift. Also
6645 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6647 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6649 * flow.c (split_edge): Take looping structure into account when
6650 determining where to put the new block note.
6652 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6654 * Makefile.in (ggc-none.o): Provide host specific version if
6657 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6659 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6660 containing subregs too.
6662 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6664 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6665 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6666 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6667 (text_section): Add switches -munint-const-in-rodata and
6668 -mno-uninit-const-in-rodata.
6669 (ASM_OUTPUT_COMMON): Remove.
6670 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6671 const objects should be placed in read-only data. Otherwise declare
6674 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6676 * jump.c (jump_optimize_1): Revert last change.
6678 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6680 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6681 test if optimizing for size.
6683 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6685 * Makefile.in (toplev.o): Depend on except.h.
6686 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6688 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6690 * i386.md (divmodsi4): Rewrite to expander.
6691 (*divmodsi4_nocltd): New.
6692 (*divmodsi4_cltd): New.
6693 (divmodsi4 splitter): Handle the case when input comes in edx.
6694 (udivmodhi4): Do not use constraints in exander.
6695 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6697 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6699 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6700 for the common case.
6702 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6704 * explow.c (hard_function_value): Add outgoing argument.
6705 * expr.h (hard_function_value): Declare it.
6706 * calls.c (expand_call, emit_library_call_value): Update callers.
6707 * function.c (aggregate_value_p): Ditto.
6708 (diddle_return_value): Must look at the outgoing registers
6709 on archs with register windows.
6711 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6713 * alpha.c (alpha_build_va_list): Use make_lang_type and
6714 initialize TYPE_NAME for the va_list record.
6716 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6718 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6720 * ggc.h (struct ggc_statistics): Rearrange elements for better
6721 packing on 64-bit hosts.
6722 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6723 (compute_nearerout): Likewise.
6725 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6727 * config/rs6000/rs6000.c (first_reg_to_save): Save
6728 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6730 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6732 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6733 notion of nesting to find the DIE for a type or function.
6734 DIEs can go in limbo even if we got a context_die.
6735 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6736 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6738 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6739 (gen_type_die): Writing out the context doesn't cause member class
6740 template instantiations to be written out as well.
6742 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6744 * rs6000.h (ASM_OUTPUT_DEF): New.
6745 Based on proposed addition from David Edelsohn.
6747 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6748 Bruce Korb <autogen@linuxbox.com>
6750 * fixinc/inclhack.def
6751 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6752 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6754 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6755 (svr4_endian): enabled with SVR5
6756 (svr4_mkdev): simplified syntax and enabled with SVR5
6758 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6760 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6761 * configure: Rebuilt.
6762 * config/t-freebsd-thread: New file.
6764 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6766 * i386.c (ix86_decompose_address): Verify the base is a REG
6767 before trying to examine its register number.
6769 * basic-block.h: Remove all #defines and prototypes related to
6771 (free_bb_mem, compute_preds_succs): Remove prototype.
6772 * rtl.h (free_bb_mem): Remove prototype.
6773 * flow.c (alloc_int_list_node); Remove function.
6774 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6775 (compute_preds_succs, free_bb_mem): Likewise.
6776 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6777 * toplev.c (rest_of_compilation): Likewise.
6778 * haifa-sched.c (build_control_flow): Use flow generated edge
6779 list to build the haifa specific edge list.
6780 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6781 (schedule_insns): Do not build pred/succ lists anymore. Instead
6782 build the edge table.
6784 * basic-block.h (dump_bb_data): Remove declaration.
6785 * flow.c (dump_bb_data): Remove function.
6786 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6787 (sbitmap_union_of_predsucc): Likewise.
6789 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6790 argument. All callers changed.
6791 (delete_null_pointer_checks_1): No longer need to compute the
6794 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6795 All callers changed.
6796 (pre_expr_reaches_here_p_work): Likewise.
6797 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6798 * lcm.c (compute_laterin): Fix initialization of LATER.
6799 (compute_nearerout): Similarly for NEARER.
6801 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6803 * cse.c (set_nonvarying_address_components): Delete unused function.
6804 (refers_to_p): Likewise.
6806 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6808 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6811 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6813 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6814 definition in do while (0).
6816 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6818 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6820 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6822 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6824 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6826 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6827 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6828 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6829 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6831 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6832 saved on the stack. Output more accurate stack frame statistics
6833 into assembler file.
6835 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6837 * genextract.c (record_insn_name): New function.
6838 (get_insn_name): No longer a stub.
6839 (main): Call record_insn_name for each insn. After each label
6840 written, print the insn name in a comment.
6842 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6844 * output.h (const_section, init_section, fini_section): Add
6847 * alpha/elf.h (const_section): Delete declaration.
6849 * svr4.h (const_section): Likewise.
6851 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6853 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6854 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6855 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6857 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6858 variable-sized array bounds.
6860 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6862 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6865 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6867 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6868 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6870 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6872 * cse.c (hash_arg_in_struct): Delete.
6873 (struct table_elt): Delete elt in_struct.
6874 (struct set): Delete elt src_in_struct.
6875 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6876 the corresponding in_struct elts.
6877 (canon_hash): Likewise.
6878 (safe_hash): Likewise.
6879 (find_best_addr): Likewise.
6880 (record_jump_cond): Likewise.
6881 (cse_insn): Likewise.
6883 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6885 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6887 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6890 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6892 * function.c (diddle_return_value): Put back check that the DECL_RTL
6893 for the function is a register.
6895 * function.c (diddle_return_value): Use hard_function_value to
6896 get an rtx suitable for use in the USE/CLOBBER insn.
6898 * global.c (global_conflicts): Update comments.
6899 (record_conflicts): No need to record conflicts between pseudos here.
6901 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6903 * fixinc/fixincl.c: Added verbose levels for status messages
6905 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6907 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6908 operand as argument to expand_and or expand_binop.
6910 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6912 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6913 gcc_add_string_root.
6915 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6917 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6919 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6921 * flow.c (compute_flow_dominators): Initially put all blocks on
6923 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6924 * gcse.c (compute_cprop_avinout): Remove.
6925 (compute_cprop_data): Use compute_available.
6926 (delete_null_pointer_checks_1): Use compute_available.
6928 * basic-block.h (compute_available): Returns a void now.
6929 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6930 to return a value anymore.
6931 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6932 worklists. Fix boundary cases. Compute maximal solutions.
6933 (compute_laterin, compute_nearerout): Similarly.
6935 * dwarf2out.c (add_AT_location_description): Allow
6936 (mem (plus (pseudo) (...)) too.
6938 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6940 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6942 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6943 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6945 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6947 * gansidecl.h: Likewise.
6953 * toplev.h: Likewise.
6959 * varray.c: Likewise.
6961 * varray.h: Likewise.
6963 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6965 * gcov.c (struct arcdata): Add hits and total, remove prob.
6966 (output_branch_counts): New.
6967 (process_args): Set output_branch_counts if -c.
6968 (calculate_branch_probs): Store hits and total instead of
6970 (output_data): Emit counts if output_branch_counts is true.
6971 * gcov.texi (Invoking Gcov): Document -c switch..
6973 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6975 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6976 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6978 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6980 * invoke.texi (C Dialect Options): Add missing builtins from
6982 * extend.texi (Other Builtins): Copy to this list.
6984 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6986 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6987 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6990 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6992 * flow.c (compute_flow_dominators): No longer treat basic block 0
6993 or (n_basic_blocks - 1) specially. Clear the AUX field before
6994 starting computation of doms/pdoms. Fix initial state for pdoms.
6996 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6998 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6999 match rtl.o's: added ggc.h and toplev.h
7000 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
7001 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
7002 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
7004 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
7006 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
7007 from HAVE_DOS_BASED_FILESYSTEM.
7008 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
7009 HAVE_DOS_BASED_FILESYSTEM.
7011 (split_directories): Only special-case DOS file names if
7012 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
7013 instead of explicit tests. Conditionalize on !VMS.
7014 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
7015 tests. Conditionalize on !VMS.
7016 (process_command): Only use make_relative_prefix if !VMS.
7017 (free_split_directories): Conditionalize on !VMS.
7018 (DIR_UP): Conditionalize on !VMS.
7020 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
7022 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
7024 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
7026 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
7029 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
7031 * invoke.texi (Environment Variables): Document relative path
7033 * gcc.c (DIR_UP): If not defined, define as "..".
7034 (standard_bindir_prefix): New static, holds target location to
7036 (split_directories): New function to split a filename into
7037 component directories.
7038 (free_split_directories): New function, release memory allocated
7039 by split_directories.
7040 (make_relative_prefix): New function, make a relative pathname if
7041 the compiler is not in the expected location.
7042 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
7043 can figure out an appropriate prefix from argv[0].
7044 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
7045 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
7046 STANDARD_BINDIR_PREFIX.
7048 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7050 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
7052 * config/c4x/c4x.h: Moved prototypes to c4x.h.
7053 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
7054 c4x_secondary_memory_needed) Delete.
7055 (fp_zero_operand): Add mode argument.
7057 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
7059 * reload1.c (reload_reg_free_for_value_p): Don't use a register
7060 that is in reload_reg_used.
7062 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
7064 * config/arm/arm-protos.h: New file: Prototypes for functions
7065 defined in arm.c and pe.c.
7066 * config/arm/arm.h: Fix compile time warnings.
7067 * config/arm/arm.c: Fix compile time warnings.
7068 * config/arm/pe.h: Fix compile time warnings.
7069 * config/arm/aout.h: Fix compile time warnings.
7071 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
7073 * config/m32r/m32r-protos.h: New file: Prototypes for functions
7076 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
7077 Add support for subtargets.
7078 Add prototypes for new predicates.
7079 Add scheduling macros.
7081 * config/m32r/m32r.c: Fix compile time warnings.
7082 (int8_operand): New predicate function.
7083 (reg_or_cmp_int16_operand): New predicate function.
7084 (extend_operand): New predicate function.
7085 (m32r_adjust_code): New scheduling function.
7086 (m32r_adjust_priorty): New scheduling function.
7087 (m32r_sched_init): New scheduling function.
7088 (m32r_sched_reorder): New scheduling function.
7089 (m32r_sched_variable_issue): New scheduling function.
7090 (direct_return): New codegen function.
7091 (m32r_not_same_reg): New rtl testsing function.
7093 * config/m32r/m32r.md: Fix compile time warnings.
7094 Add support for pre decrement and post increment memory
7099 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7101 * global.c (EXECUTE_IF_CONFLICT): Don't define.
7102 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
7103 (find_reg): Likewise.
7105 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
7107 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
7108 to avoid assembler errors.
7110 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
7112 * config/v850/v850-protos.h: New file: Prototypes for functions
7114 * config/v850/v850.h: Move prototypes to v850-protos.h
7115 * config/v850/v850.c: Move prototypes to v850-protos.h
7116 * config/v850/v850.md: Fix compile time warnings.
7118 * config/fr30/fr30-protos.h: New file: Prototypes for functions
7120 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
7121 * config/fr30/fr30.c: Fix compile time warnings.
7122 * config/fr30/fr30.md: Fix compile time warnings.
7124 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
7126 * tree.h (get_containing_scope): Declare it.
7127 * tree.c (get_containing_scope): New fucntion.
7128 (decl_function_context): Use it.
7129 * toplev.c (rest_of_compilation): Use get_containing_scope.
7131 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7133 * Makefile.in (rtl.o): Depend on toplev.h.
7135 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
7137 * cse.c (delete_trivially_dead_insns): Replace alloca with
7139 * except.c (update_rethrow_references): Likewise.
7140 (init_eh_nesting_info): Likewise.
7141 * function.c (identify_blocks): Likewise.
7142 * gcse.c (dump_hash_table): Likewise.
7143 * graph.c (print_rtl_graph_with_bb): Likewise.
7144 * loop.c (combine_movables): Likewise.
7145 (move_movables): Likewise.
7146 (count_loop_regs_set): Likewise.
7147 (strength_reduce): Likewise.
7148 * profile.c (compute_branch_probabilities): New function, split
7150 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
7151 * regclass.c (regclass): Likewise.
7152 * regmove.c (regmove_optimize): Likewise.
7153 * toplev.c (compile_file): Likewise.
7154 (main): Don't mess with the stack rlimit.
7156 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
7158 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
7159 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
7161 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
7163 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
7165 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
7167 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
7168 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
7171 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
7173 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
7175 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
7177 * gcse.c (post_dominators): Kill.
7178 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
7179 (compute_code_hoist_data): Use compute_flow_dominators. Do not
7180 pass in a pdom array since we do not need pdoms.
7181 * haifa-sched.c (schedule_insns): Similarly.
7182 * flow.c (compute_dominators): Remove dead function.
7183 (compute_flow_dominators): Do not compute doms or pdoms if the
7184 caller does not request them. Split up loop to build doms and
7185 pdoms. Use a worklist to compute doms and pdoms.
7186 * basic-block.h (compute_dominators): Remove prototype.
7188 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
7190 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
7191 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
7192 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
7193 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
7194 (cant_move, fed_by_spec_load, is_load_insn): Remove.
7195 (schedule_region): Remove unused variable.
7196 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
7198 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
7200 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
7201 (update_equiv_regs): Likewise.
7202 (block_alloc): Likewise.
7203 * reg-stack.c (reg_to_stack): Likewise.
7204 (convert_regs_2): Likewise.
7205 * reload1.c (reload_as_needed): Likewise.
7207 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
7209 * Makefile.in (dbxout.o): Depend on ggc.h.
7210 (dwarf2out.o): Likewise.
7211 (xcoffout.o): Likewise.
7212 * dbxout.c: Include ggc.h.
7213 (dbxout_init): Register lastfile as a root.
7214 * dwarf2out.c: Include ggc.h.
7215 (dwarf2out_line): Register lastfile as a root.
7216 * xcoffout.c: Include ggc.h.
7217 (xcoffout_source_line): Register xcoff_lastfile as a root.
7219 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
7221 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
7223 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
7225 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
7227 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7229 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7231 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
7232 (EXECUTE_IF_CONFLICT): Likewise.
7233 (ALLOCNO_LIVE_P): Avoid signed division.
7234 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
7235 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
7236 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
7238 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
7240 * haifa-sched.c (schedule_block): Don't crash if there's no
7241 next insn for an interblock movement.
7242 (add_branch_dependences): Don't allow clobber insns to move either.
7244 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
7246 * i386.c (split_xf): New.
7247 * i386-protos.h: Declare it.
7248 * i386.md (movxf_1): Add general regs alternatives.
7249 (movxf_1+1): New splitter for same.
7251 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
7253 * function.c (purge_addressof_1): Add missing return values.
7255 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
7257 * function.c (is_addressof): New function. Returns true if
7258 the given piece of RTL is an ADDRESSOF.
7259 (purge_addressof_1): Make boolean. Return false if the
7260 ADDRESSOFs could not be purged.
7261 (purge_addressof): If ADDRESSOFs could not be purged from the
7262 notes attached to an insn, remove the offending note(s),
7263 unless they are attached to a libcall.
7265 1999-11-05 Andreas Jaeger <aj@suse.de>
7267 * genoutput.c (null_operand =): Initialize all fields.
7269 * errors.h: Add extern to prototypes.
7271 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
7273 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
7274 * configure: Rebuilt.
7276 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7278 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
7279 (mirror_conflicts): New function.
7280 (global_alloc): Call it.
7281 (expand_preferences): Remove redundant CONFLICTP test.
7282 (find_reg, dump_conflicts): Likewise.
7283 (prune_preferences): Process conflicts one word at a time.
7285 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
7287 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
7288 instead of an explicit loop.
7290 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
7292 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
7293 if REG_RETVAL check succeeds, then put classp in src_elt.
7295 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
7297 * function.c (pad_to_arg_alignment): Only update argument_pad
7298 if the argument's alignment is greater than STACK_BOUNDARY.
7300 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
7302 * bitmap.h (BITMAP_XFREE): New.
7303 * flow.c (life_analysis): Use it.
7304 (life_analysis_1): Free blocks.
7306 * combine.c (undo_commit): New.
7307 (try_combine): Use it. Don't zap undobuf.undos.
7308 (combine_instructions): Don't zap undobuf.undos; free the
7311 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
7313 * stmt.c (cost_table_): New.
7314 (estimate_case_costs): Use it instead of xmalloc.
7316 * toplev.c (compile_file): Reuse dumpname memory instead
7319 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
7321 * reg-stack.c (convert_regs_1): Initialize target_stack->top
7322 after verifying an EH edge.
7324 * haifa-sched.c (init_rgn_data_dependences): Correctly
7325 size bb_pending_lists_length when zeroing.
7327 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
7329 * function.c (diddle_return_value): New.
7330 (expand_function_end): Use it.
7331 * stmt.c (expand_null_return): Likewise.
7332 (expand_value_return): Likewise.
7334 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
7336 * reload1.c (reload): Don't remove return value clobbers.
7338 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
7340 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
7342 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
7344 * cse.c (cse_main): Use xmalloc, not alloca.
7345 (cse_basic_block): Likewise.
7346 * local-alloc.c (local_alloc): Likewise.
7348 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
7349 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7351 * rtl.c: Include toplev.h.
7352 (fatal): Remove declaration.
7354 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
7356 * haifa-sched.c (schedule_block): Fix thinko.
7358 1999-11-03 James McKelvey <mckelvey@fafnir.com>
7360 * fixinc/fixincl.c(create_file): Allow for systems that do not have
7361 S_IR* defined values
7363 1999-11-03 Philippe De Muyter <phdm@macqel.be>
7365 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
7366 call `malloc' instead.
7368 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
7370 * flags.h (flag_renumber_insns): Declare.
7371 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
7373 * rtl.h (renumber_insns): Change prototype.
7374 * toplev.c (flag_renumber_insns): Define.
7375 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
7377 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
7379 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
7380 and fpsqrtd. Use them and create fdiv function unit to more
7381 accurately represent fpu sqrt pipeline semantics on UltraSparc.
7382 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
7384 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
7386 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
7388 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
7389 insn into ready list, do not use just a raw swap.
7391 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
7393 * rtl.h (renumber_insns): New function.
7394 (remove_unnecessary_notes): Likewise.
7395 * emit-rtl.c (renumber_insns): Define.
7396 (remove_unncessary_notes): Likewise.
7397 * toplev.c (rest_of_compilation): Remove dead code.
7398 Use renumber_insns and remove_unncessary_notes.
7400 * gcse.c (struct null_pointer_info): New type.
7401 (get_bitmap_width): New function.
7402 (current_block): Remove.
7403 (nonnull_local): Likewise.
7404 (nonnull_killed): Likewise.
7405 (invalidate_nonnull_info): Take a null_pointer_info as input.
7406 (delete_null_pointer_checks_1): New function.
7407 (delete_null_pointer_checks): Use it.
7409 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
7410 (split_edges): Likewise.
7411 (schedule_block): Likewise.
7412 (compute_block_backward_dependencies): Likewise.
7413 (schedule_region): Likewise.
7414 (schedule_insns): Likewise.
7416 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
7418 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
7419 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
7420 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
7421 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
7422 * jump.c (delete_unreferenced_labels): Don't delete if
7423 LABEL_ALTERNATE_NAME is set.
7424 * print-rtl.c (print_rtx): Dump alternate name.
7425 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7426 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7427 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7428 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7430 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7432 * fix-header.c (recognized_extern, recognized_function): Constify
7435 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7436 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7437 (compute_available): Remove unused variable `last'.
7438 (compute_nearerout): Remove unused variable `temp_bitmap'.
7439 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7440 Remove unused variable `x'.
7442 * scan.h (recognized_function, recognized_extern): Constify a
7445 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7447 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7449 * varasm.c (decode_rtx_const): Use XSTR to access the string
7452 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7454 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7456 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7458 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7460 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7462 * pa.c (ireg_operand): New function.
7463 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7464 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7465 Fix out of date comment.
7467 * pa.md (negdi2): Turn into expander + anonymous pattern.
7469 * reload.c (find_reloads): Fix typos in recent change.
7471 * dwarf2out.c: Do not include ctype.h.
7473 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7475 * regclass.c (record_reg_classes): Always use may_move_cost when
7476 seeing how operand fits with various register classes.
7478 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7480 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7481 * toplev.c: Revert Nov 1 13:22 change.
7483 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7485 * config/pa/pa.md (height reduction patterns): Add checks for
7486 overlapping operands to avoid semantic-destroying splits for
7487 height reduction patterns.
7489 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7491 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7492 have been an hyphen, fixed.
7493 * configure: Rebuilt.
7495 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7497 * config/arm/tpe.h: Add prototypes for exported functions.
7498 * config/arm/pe.c: Fix compile time warnings.
7499 * config/arm/semi.h: Fix compile time warnings.
7500 * config/arm/arm.c: Fix compile time warnings.
7501 * config/arm/arm.h: Fix compile time warnings.
7502 * config/arm/arm.md: Fix compile time warnings.
7503 * config/arm/thumb.c: Fix compile time warnings.
7504 * config/arm/thumb.h: Fix compile time warnings.
7505 * config/arm/thumb.md: Fix compile time warnings.
7507 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7509 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7512 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7513 completely unrolled.
7515 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7517 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7519 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7521 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7522 * rtl.h (rtx_equal_p): Move prototype.
7523 * rtl.c (rtx_equal_function_value_matters): Move from
7525 (rtx_equal_p): Likewise.
7526 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7527 (rtx_equal_p): Likewise.
7529 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7531 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7534 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7536 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7538 * pa.h (ADDR_VEC_ALIGN): Define.
7540 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7541 notes when presented with "if (foo) break; end_of_loop" and
7542 the break sequence gets moved out of the loop.
7544 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7545 Remove explicit zero initializations of entries within MAP.
7547 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7549 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7551 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7553 * bitmap.h (BITMAP_XMALLOC): New macro.
7554 * flow.c (CLEAN_ALLOCA): Remove.
7555 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7556 (life_analysis): Likewise.
7557 (update_life_info): Don't use CLEAN_ALLOCA.
7558 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7559 (calculate_global_regs_live): Likewise.
7560 (print_rtl_with_bb): Likewise.
7561 (verify_flow_info): Likewise.
7562 * global.c (global_alloc): Likewise.
7563 (global_conflicts): Likewise.
7564 * integrate.c (save_for_inline_nocopy): Likewise.
7565 (expand_inline_function): Likewise.
7566 * jump.c (jump_optimize_1): Likewise.
7567 (duplicate_loop_exit_test): Likewise.
7568 (thread_jumps): Likewise.
7569 * loop.c (loop_optimize): Likewise.
7570 (combine_givs): Likewise.
7571 (recombine_givs): Likewise.
7572 * reorg.c (dbr_schedule): Likewise.
7573 * unroll.c (unroll_loop): Likewise.
7575 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7577 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7579 * toplev.c (rest_of_compilation): Don't optimize the CFG
7580 when rebuilding, just before dbr.
7582 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7584 * output.h (assemble_end_function, assemble_destructor,
7585 assemble_constructor, assemble_gc_entry, assemble_global,
7586 assemble_label, output_constant_pool) Constify a char*.
7588 * varasm.c (assemble_destructor, assemble_constructor,
7589 assemble_gc_entry, assemble_end_function, assemble_global,
7590 assemble_label, output_constant_pool): Likewise.
7592 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7594 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7595 explaining what is goin on in this function.
7597 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7599 * regclass.c (record_reg_classes): In matching case, recompute
7600 costs since the direction of movement is different.
7602 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7604 * resource.c (mark_target_live_regs): For unconditional branches,
7605 the resources found at the branch target should be added to the
7606 resources found so far, not intersected.
7608 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7610 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7612 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7613 (sys/mman.h): Include this file only if #HAVE_MMAP.
7614 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7615 with automatically concatenated ANSI strings.
7617 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7619 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7620 (DIV_ROUND_UP): Robustify.
7621 (ggc_recalculate_in_use_p): New function.
7622 (release_pages): Don't inline it.
7623 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7625 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7626 (clear_marks): Always save in_use_p.
7627 (sweep_pages): Use ggc_recalculate_in_use_p.
7628 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7629 Release pages before counting statistics.
7631 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7633 * toplev.c (rest_of_compilation): Fix thinko in this change:
7635 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7637 (rest_of_compilation): If inside an inlined external function,
7638 pretend we are just being declared.
7640 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7642 * flow.c (calculate_global_regs_live): Fix thinko.
7644 * integrate.c (expand_inline_function): Fix bugs in previous
7645 change from Oct 28, 1999.
7647 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7649 * stmt.c (expand_value_return): Fix typo in this change:
7651 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7652 (expand_value_return): Correctly convert VAL when promoting function
7653 return; support RETURN_REG being a PARALLEL.
7655 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7657 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7659 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7661 * hard-reg-set.h (reg_names): Constify a char*.
7663 * regclass.c (reg_names): Likewise.
7665 * regs.h (reg_names): Likewise
7667 * a29k/a29k.c (reg_names): Delete declaration.
7669 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7671 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7672 arc_output_function_epilogue): Likewise.
7674 * elxsi/elxsi.c (reg_names): Likewise.
7676 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7678 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7681 * m88k/m88k.c (output_function_profiler): Likewise.
7683 * sparc/sparc.c (sparc_flat_output_function_prologue,
7684 sparc_flat_output_function_epilogue): Likewise.
7686 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7688 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7689 warning from -Wuninitialized and put it under -W.
7690 * function.c (uninitialized_vars_warning): Warn only when the
7691 corresponding flag is set.
7693 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7695 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7696 is nonzero and the single set does not have an elt, then assign
7699 * simplify-rtx.c: New file.
7700 * Makefile.in (OBJS): Add simplify-rtx.o
7701 (simplify-rtx.o): Add dependencies.
7702 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7703 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7704 (cse_gen_binary, simplify_unary_operation): Delete.
7705 (simplify_binary_operation, simplify_plus_minus): Likewise.
7706 (check_fold_consts, simplify_relation_operation): Likewise.
7707 (simplify_ternary_operation): Likewise.
7708 (delete_trivially_dead_insns): Simplify the contents of the
7709 REG_EQUAL note before trying to substitute it into the source
7710 of the reg-reg copy at the end of a libcall sequence.
7712 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7713 references/callers changed.
7715 * mn10200.c (mn10200_va_arg): Force the return value into a
7718 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7720 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7723 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7725 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7727 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7729 * fold-const.c (fold): Fix thinko when optimizing comparisons
7732 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7734 * gcc.texi (Passes): Update front-end files to their current
7737 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7739 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7740 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7741 (PREDICATE_CODES): Add addition_operation.
7742 * alpha-protos.h (addition_operation): Declare.
7743 (secondary_reload_class): Likewise.
7744 * alpha.c (addition_operation): New.
7745 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7746 * alpha.md (adddi3): Turn into expander.
7747 (*lda, *adddi_2): New.
7748 (movsf, movdf patterns): Don't preference integer regs.
7749 (movsi, movdi patterns): Don't preference fp regs.
7751 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7753 * genrecog.c (write_switch): Check for duplicate CODE cases.
7755 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7757 * ggc-common.c: Update pre-function commentary.
7758 * ggc-page.c: Likewise.
7760 (poison_pages): Use memset directly.
7761 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7762 (ggc_collect): Poison before sweeping.
7763 * ggc-simple.c: Update pre-function commentary.
7764 (ggc_alloc_obj): Poison non-zeroed memory.
7766 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7768 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7769 match format string, even on 64-bit hosts.
7770 * gcc-page.c (ggc_page_print_statistics): Likewise.
7772 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7774 * config/i386/i386.c (ix86_cpu): Revert last patch.
7775 * config/i386/i386.h (ix86_cpu): Ditto.
7777 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7779 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7780 TYPE_SIZE, convert type of result to sizetype.
7782 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7784 * flow.c (count_or_remove_death_notes): Equate NULL with the
7787 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7788 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7791 * i386.c (pic_label_no): Delete.
7792 (ix86_attr_length_default): Don't use single_set to peek
7795 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7796 the first insn after bb->end.
7797 * i386.md (push mem peeps): Scratch is live after evaluation
7799 (cmp mem peep): Similarly.
7801 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7803 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7804 * function.c (pad_to_arg_alignment): Add missing braces.
7806 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7808 * alpha/alpha-protos.h (literal_section): Add prototype.
7809 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7812 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7814 (alpha_start_function, alpha_end_function, float_strings,
7815 alpha_need_linkage): Constify a char*
7817 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7819 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7821 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7823 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7825 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7827 * flow.c (debug_flow_info): Add prototype.
7829 * gcc.c (main): Likewise.
7831 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7834 * reload1.c (failed_reload, set_reload_reg): Likewise.
7836 * mips-tfile.c (main): Likewise.
7837 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7838 with ATTRIBUTE_NORETURN.
7840 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7842 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7843 DECL is not a memory ref.
7845 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7847 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7848 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7850 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7852 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7853 * config/mips/elf64.h: ditto.
7855 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7857 * expr.c (emit_push_insn): New argument alignment_pad.
7858 Update all callers. Adjust stack pointer based on alignment pad.
7859 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7860 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7861 (locate_and_pad_parm): New argument alignment_pad. Update all
7863 * expr.h (emit_push_insn): Update prototype.
7864 (locate_and_pad_parm): Update prototype.
7865 * calls.c (arg_data): Add new field alignment_pad.
7866 (initialize_argument_information): Initialize alignment_pad.
7868 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7870 * except.c (free_eh_nesting_info): Free the info itself.
7871 * function.c (free_after_compilation): Don't free NULL.
7872 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7873 (pre_edge_insert): Free inserted.
7874 * stmt.c (free_stmt_status): Don't free NULL.
7876 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7878 * gcov.c (DIR_SEPARATOR): Provide default.
7879 (output_data): Add test for MS-DOS format absolute filename.
7880 (fancy_abort): Correct program name.
7881 (open_files): Open all files in binary mode.
7882 * libgcc2.c (__bb_exit_func): Likewise.
7884 * profile.c (init_branch_prob): Specify binary when opening files.
7886 * flags.h (flag_unwind_tables): New decl.
7887 * toplev.c (flag_unwind_table): New definition.
7888 (f_options): Add -funwind-tables.
7889 (decode_g_option): Clarify warning when unknown -g option is given.
7890 (rest_of_compilation): If inside an inlined external function,
7891 pretend we are just being declared.
7893 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7894 (dwarf2out_frame_finish): Likewise.
7896 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7898 * fold-const.c (merge_ranges): If not in0, but in1, handle
7899 upper bounds equal like subset case.
7901 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7903 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7904 passed in a register but moved to the stack.
7906 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7908 * gcc.c (pass_exit_codes, greatest_status): New variables.
7909 (struct option_map): Add entry for "--pass-exit-codes".
7910 (execute): Update greatest_status if error.
7911 (display_help): Add documentation for -pass-exit-codes.
7912 (process_command): Handle -pass-exit-codes.
7913 (main): Look at pass_exit_codes and greatest_status on call to exit.
7915 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7917 * reload.c (find_reloads): Refine test for no input reload
7918 case to not includes reloads emitted after insn.
7920 * function.c (find_temp_slots_from_address): Handle sum involving
7921 a register that points to a temp slot.
7922 (update_temp_slot_address): Make recursive call if both old and
7923 new are PLUS with a common operand.
7924 * calls.c (expand_call): Mark temp slot for result as having
7927 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7929 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7930 component as well as "BINUTILS".
7932 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7933 * integrate.c (copy_rtx_and_substitute): Likewise.
7934 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7935 All callers changed.
7936 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7938 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7939 gdb extensions, write size of type; also be more consistent
7940 in using references when this is a subtype.
7942 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7943 that is out of range.
7945 * loop.c (unknown_constant_address_altered): New variable.
7946 (prescan_loop): Initialize it.
7947 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7948 (invariant_p, case MEM): Remove handling for volatile and readonly;
7949 check new variable if readonly.
7950 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7952 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7953 (addr_affects_sp_p): Removed from note_mem_written and only
7954 define #ifdef AUTO_INC_DEC.
7956 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7958 * regclass.c (record_reg_classes): Properly handle register move
7961 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7962 Don't think valid if both operands are invalid.
7963 (struct constant_descriptor): New field RTL.
7964 (mark_const_hash_entry): Mark it.
7965 (record_constant{,_rtx}): Initialize it.
7966 (output_constant_def): Allocate RTL in permanent obstack and
7968 ({record,compare}_constant_1): Modes must match for
7969 CONSTRUCTOR of ARRAY_TYPE.
7971 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7972 * output.h (initializer_constant_valid_p): Move decl to here.
7973 * c-common.c (initializer_constant_valid_p): Delete function from here.
7974 * varasm.c (initializer_constant_valid_p): Move function to here.
7976 * tree.h (STRIP_SIGN_NOPS): New macro.
7977 * fold-const.c (optimize_minmax_comparison): New function.
7978 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7979 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7980 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7981 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7982 widening conversions.
7983 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7984 to look at size of mode, not precision of type; also add missing cases.
7985 (optimize_bit_field_compare, decode_field_reference): Don't try to
7986 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7988 * dwarf2out.c (ctype.h): Include.
7989 (dwarf2out_set_demangle_name_func): New function.
7990 (size_of_line_info): Deleted.
7991 (output_line_info): Compute size of line info table from difference
7993 (base_type_die, add_name_attribute): Call demangle function, if any.
7994 (field_byte_offset): Use bits per word for variable length fields.
7995 (gen_array_type_die): Add array name.
7996 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7997 (dwarf2out_add_library_unit_info): New function.
7999 * explow.c (set_stack_check_libfunc): New function.
8000 (stack_check_libfunc): New static variable.
8001 (probe_stack_range): Allow front-end to set up a libfunc to call.
8003 * combine.c (simplify_comparison): When making comparison in wider
8004 mode, check for having commuted an AND and a SUBREG.
8005 (contains_muldiv): New function.
8006 (try_combine): Call it when dividing a PARALLEL.
8007 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
8008 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
8010 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
8011 use one of the CLOBBERs instead.
8012 (if_then_else_cond): If comparing against zero, just return thing
8015 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
8016 Don't generate shifts and subtract if have conditional arithmetic.
8018 * rtl.h (delete_barrier): New declaration.
8019 * jump.c (jump_optimize): Set up to handle conditional call.
8020 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
8021 (delete_barrier): New function.
8023 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
8025 * recog.c (nonmemory_operand): Accept ADDRESSOF.
8027 * tree.c (build_type_attribute_variant): Push to obstack of
8028 ttype around type_hash_canon call.
8030 * expr.c (placeholder_list): Move decl to file scope.
8031 (expand_expr): Don't force access to volatile just because its
8033 If ignoring reference operations, just expand the operands.
8034 (expand_expr, case COMPONENT_REF): Propagate
8035 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
8036 Refine test for using bitfield operations vs pointer punning.
8037 (expand_expr, case CONVERT_EXPR): If converting to
8038 BLKmode UNION_TYPE from BLKmode, just return inner object.
8039 Use proper mode in store_field call.
8040 Properly set sizes of object to store and total size in store_field
8041 call for convert to union.
8042 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
8043 memory (like for ADDR_EXPR). Also, don't put constant in register if
8044 we'll want it in memory.
8045 (readonly_fields_p): New function.
8046 (expand_expr, case INDIRECT_REF): Call it if LHS.
8047 (expand_assignment): Handle a RESULT_DECL where
8048 DECL_RTL is a PARALLEL.
8049 (do_jump, case WITH_RECORD_EXPR): New case.
8050 (get_inner_reference): Always go inside a CONVERT_EXPR
8051 and NOP_EXPR if both modes are the same.
8052 (store_field): Use bitfield operations if size of bitsize is not same
8053 as size of RHS's type.
8054 Check for bitpos not a multiple of alignment in BLKmode case.
8055 Do block move in largest possible alignment.
8056 (store_constructor): Set BITSIZE to -1 for variable size and properly
8057 in case of array of BLKmode.
8058 (expand_expr_unaligned): New function.
8059 (do_compare_and_jump): Call it.
8061 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
8062 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
8063 does not include 'o'.
8065 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
8066 both SET_DEST and SET_SRC reference a virtual register.
8067 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
8069 * integrate.c (expand_inline_function): Handle case of setting
8070 virtual stack vars register (from built in setjmp); when parameter
8071 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
8072 (subst_constant): Add new parm, MEMONLY.
8073 (expand_inline_function, integrate_parm_decls): Pass new parm.
8074 (integrate_decl_tree): Likewise.
8075 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
8076 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
8077 (copy_rtx_and_substitute, case SET): Add explicit calls to
8078 copy_rtx_and_substitute for both sides.
8080 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
8082 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
8083 within INDEX_TYPE, instead of before.
8084 (fixup_gotos): Use f->target_rtl, not the next insn,
8085 since latter may be from a later fixup.
8086 (expand_value_return): Correctly convert VAL when promoting function
8087 return; support RETURN_REG being a PARALLEL.
8088 (expand_return): When checking for result in regs and having
8089 cleanup, consider PARALLEL in DECL_RTL as being in regs.
8091 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
8093 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
8094 last_nominal_fname): Mark const.
8095 (struct include_hash: name, nshort, control_macro): Mark
8097 (struct macrodef: symnam): Mark const.
8098 (struct if_stack: fname): Mark const.
8099 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
8100 (IStable): New character-syntax array which encompasses all
8101 the old is_foo arrays.
8102 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
8103 is_space): New macros for interrogating IStable.
8104 (check_macro_name): Kill last argument. All callers changed.
8106 * cppinit.c (initialize_char_syntax): Delete.
8107 (is_idchar, is_idstart, is_hor_space, is_space,
8108 trigraph_table): Delete.
8109 (IStable): New. Initialize with clever macros to avoid
8110 information duplication.
8111 (builtin_array): Table of builtins to get rid of explicit list
8112 in initialize_builtins.
8113 (initialize_builtins): Use builtins_array.
8114 (cpp_start_read): Call init_IStable, and set IStable['$'] if
8115 opts->dollars_in_ident.
8117 * cppexp.c: Change all refs to is_xyz[] arrays to use new
8119 (cpp_parse_expr): Avoid 'format string is not constant'
8120 warning. Use ISGRAPH to identify printable chars.
8121 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
8123 (read_and_prescan): Map trigraphs to chars with open-coded
8124 if-else-if-... sequence, not a lookup table.
8125 * cpphash.c: Change all refs to is_xyz[] arrays to use new
8127 * cpplib.c: Change all refs to is_xyz[] arrays to use new
8128 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
8129 (check_macro_name): Remove ability to report an invalid
8130 assertion name, which is never used.
8131 (do_line): Constify a couple of char *'s.
8132 * cppmain.c (main): Call cpp_cleanup before returning.
8134 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
8136 * ggc.h (struct ggc_statistics): New type.
8137 (ggc_get_size): New function.
8138 (ggc_print_statistics): Likewise.
8139 * ggc-common.c (ggc_stats): New variable.
8140 (ggc_mark_rtx_children): Keep statistics.
8141 (ggc_mark_tree_children): Likewise.
8142 (ggc_print_statistics): New function.
8143 * ggc-page.c (struct globals): Add bytes_mapped field.
8144 (alloc_anon): Update it.
8145 (release_pages): Likewise.
8146 (ggc_get_size): New function.
8147 (ggc_page_print_statistics): New function.
8148 * ggc-simple.c (ggc_get_size): New function.
8150 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
8152 * flow.c (propagate_block): When the last reference to a label
8153 before an ADDR_VEC is deleted because the reference is a dead
8154 store, delete the ADDR_VEC.
8156 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
8158 * resource.c (find_free_register): Don't use the frame pointer
8159 if frame_pointer_needed.
8161 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
8163 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
8164 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
8166 * config/i960/i960.c (i960_va_start): New locals base, num.
8167 Use INDIRECT_REF instead of ARRAY_REF on valist.
8168 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
8170 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
8172 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
8174 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
8176 * tree.def (PLACEHOLDER_EXPR): Update comments.
8178 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8180 * c-common.c (check_format_info): Avoid non-literal format string
8181 warnings when `first_arg_num' is zero.
8183 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8185 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
8187 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8189 * arm.md (casesi_insn): Add a clobber of the condition code
8192 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
8194 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
8195 used by both cc1 and cc1plus.
8197 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
8199 * config/arm/arm.c: Initialise arm_structure_size_boundary to
8200 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
8201 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
8202 to the value 32 if it has not already been defined.
8203 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
8204 Override definition in arm.h with a value of 8.
8206 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
8208 * c-pragma.c (push_alignment): Don't check the return value
8211 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
8213 * sparc.h (ADJUST_COST): Fix thinko.
8215 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
8217 * cccp.c (rescan): Fixed obp pointer handling around call to
8218 check_expand subroutine.
8220 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
8222 * gcse.c (delete_null_pointer_checks): Only record non-null info
8223 for pseudos when examining stores.
8225 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
8226 splitters for these patterns. Use "#" for output templates.
8227 (addsi3_carryin_shift): New pattern.
8229 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
8231 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
8232 of the function return register into a plain REG until
8233 after function inlining is done.
8235 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
8237 * jump.c (jump_optimize_1): If we did cross-jumping, and
8238 the data will matter, rebuild the CFG.
8239 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
8240 not optimizing. Don't run shorten_branches.
8241 * toplev.c (rest_of_compilation): Run shorten_branches after
8244 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
8246 * rtl.h (note_stores): Add additional paramter.
8247 * rtlanal.c (reg_set_p_1): Take additional paramter.
8248 (reg_set_last_1): Likewise.
8249 (reg_set_p): Adjust call to note_stores.
8250 (reg_set_last): Likewise.
8251 (note_stores): Pass data parameter to worker function.
8252 * alias.c (record_set): Take additional parameter.
8253 (init_alias_analysis): Pass it.
8254 * caller-save.c (mark_set_regs): Take additional parameter.
8255 (save_call_clobbered_regs): Pass NULL to note_stores.
8256 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
8258 (record_dead_and_set_regs_1): Likewise.
8259 (reg_dead_at_p_1): Likewise.
8260 (combine_instructions): Adjust calls to note_stores.
8261 (try_combine): Likewise.
8262 (record_dead_insn): Remove.
8263 (record_dead_and_set_regs): Adjust calls to note_stores.
8264 (reg_dead_at_p): Likewise.
8265 * cse.c (invalidate_skipped_set): Take additional parameter.
8266 (cse_check_loop_start): Likewise.
8267 (cse_check_loop_start_value): Remove.
8268 (cse_set_around_loop): Adjust calls to note_stores.
8269 * flow.c (notice_stack_pointer_modification): Take additional
8270 parameter. Remove duplicate declaration.
8271 (record_volatile_insns): Adjust calls to note_stores.
8272 * gcse.c (record_set_info): Take additional parameter.
8273 (record_last_set_info): Likewise.
8274 (invalidate_nonnull_info): Likewise.
8275 (record_set_insn): Remove.
8276 (compute_sets): Adjust calls to note_stores.
8277 (last_set_insn): Remove.
8278 (compute_hash_table): Adjust calls to note_stores.
8279 (insert_insn_end_bb): Likewise.
8280 (delete_null_pointer_checks): Likewise.
8281 * global.c (mark_reg_store): Take additional parameter.
8282 (mark_reg_clobber): Likewise.
8283 (reg_becomes_live): Likewise.
8284 (global_conflicts): Adjust calls to note_stores.
8285 (build_insn_chain): Likewise.
8286 * integrate.c (note_modified_parmregs): Take additional parameter.
8287 (mark_stores): Likewise. Make it static.
8288 (save_for_inline_nocopy): Adjust calls to note_stores.
8289 (try_constants): Likewise.
8290 * integrate.h (mark_stores): Remove declaration.
8291 * jump.c (mark_modified_reg): Take additional parameter.
8292 (thread_jumps): Adjust calls to note_stores.
8293 * local-alloc.c (validate_equiv_mem_from_store): Take additional
8295 (no_equiv): Likewise.
8296 (reg_is_set): Likewise.
8297 (validate_equiv_mem): Adjust calls to note_stores.
8298 (update_equiv_regs): Likewise.
8299 (block_alloc): Likewise.
8300 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
8301 (note_addr_stored): Take additional parameter.
8302 (note_set_pseudo_multiple_uses): Likewise.
8303 (record_initial): Likewise.
8304 (prescan_loop): Adjust calls to note_stores.
8305 (strength_reduce): Likewise.
8306 (check_dbra_loop): Likewise.
8307 * regmove.c (flags_set_1): Take additional paramter.
8308 (mark_flags_life_zones): Adjust calls to note_stores.
8309 * reload1.c (mark_not_eliminable): Take additional parameter.
8310 (forget_old_reloads_1): Likewise.
8311 (reload_cse_invalidate_rtx): Likewise.
8312 (reload_cse_check_clobber): Likewise.
8313 (reload_combine_note_store): Likewise.
8314 (move2add_note_store): Likewise.
8315 (reload): Adjust calls to note_stores.
8316 (reload_as_needed): Likewise.
8317 (emit_reload_insns): Likewise.
8318 (reload_cse_regs_1): Likewise.
8319 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
8320 (reload_combine): Adjust calls to note_stores.
8321 * resource.c (update_live_status): Take additional paramter.
8322 (mark_target_live_regs): Adjust calls to note_stores.
8323 * stupid.c (find_clobbered_regs): Take additional parameter.
8324 (stupid_life_analysis): Adjust calls to note_stores.
8326 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
8328 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
8331 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
8334 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
8335 of the variable arm_structure_size_boundary.
8337 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
8339 * alias.c (init_alias_analysis): Allocate reg_known_value and
8340 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
8342 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
8343 * cse.c (cse_main): Call end_alias_analysis.
8344 * haifa-sched.c (schedule_insns): Likewise.
8345 * local-alloc. (update_equiv_regs): Likewise.
8346 * reload1.c (reload_cse_regs): Likewise.
8348 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8350 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
8351 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
8352 mapping from MASK_FPU.
8354 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
8356 * sparc.md (call): Don't bound structure return size to 0xfff.
8358 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
8360 * resource.c (mark_target_live_regs): Check that the target
8361 insn wasn't created after compute_bb_for_insn.
8363 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
8365 * ggc-page.c (poison_pages): Don't be overzealous.
8367 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
8369 * alias.c: Update comments for ADDRESS.
8370 (nonlocal_reference_p): Look inside the ADDRESS to determine if
8371 it is a local memory reference.
8373 * c-typeck.c (build_function_call): Check that the built-in
8374 function is of class BUILT_IN_NORMAL before trying to recongize
8376 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
8377 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
8379 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
8381 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
8383 (pre_gcse): Likewise.
8384 (hoist_expr_reaches_here_p): Likewise.
8385 (hoist_code): Likewise.
8386 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
8388 (pre_expr_reaches_here_p_work): ... here.
8389 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
8391 (expr_reaches_here_p_work): ... here.
8393 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
8395 * resource.c (find_basic_block): Delete.
8396 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
8397 (init_resource_info): Call compute_bb_for_insn.
8399 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
8401 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
8402 with already adjacent blocks, but no fallthru.
8403 (merge_blocks_move_successor_nojumps): Simplify.
8404 (debug_flow_info): New.
8406 * toplev.c (rest_of_compilation): Open jump1 dump file before
8407 jump and close after, as opposed to just using dump_rtl.
8409 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8411 * reload.h (earlyclobber_operand_p): Declare.
8412 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
8413 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8414 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
8415 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
8417 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8418 Richard Henderson <rth@cygnus.com>
8420 * emit-rtl.c (emit_block_insn_before): New.
8421 (emit_block_insn_after): New.
8422 * basic-block.h: Declare them.
8424 * bitmap.h: Protect from multiple inclusion.
8426 * recog.c (scratch_operand): Handle VOIDmode correctly.
8428 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8430 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8431 * function.c (assign_parms): Likewise.
8432 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8434 * reg-stack.c (max_uid): Remove.
8435 (blocks, block_begin, block_end, block_drops_in): Remove.
8436 (block_stack_in, block_out_reg_set, block_number): Remove.
8437 (struct block_info_def, BLOCK_INFO): New.
8438 (enum emit_where): New.
8439 (current_block): New.
8440 (BLOCK_NUM): Remove.
8441 (mark_regs_pat, record_label_references): Remove.
8442 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8444 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8445 (reg_to_stack): Simplified test for existance of fp code. Use
8446 flow.c code. Call shorten_branches after cross-jump opt.
8447 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8448 Return false if the asm doesn't use stack regs. Don't do life
8449 analysis on the asm.
8450 (emit_pop_insn): Replace function pointer arg `when' with
8451 enum `where'. Update all callers.
8452 (change_stack): Likewise. Update basic block end.
8453 (emit_swap_insn): Use current_block->head to limit reverse search
8454 for start of block. Use emit_block_insn_after.
8455 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8456 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8457 structure assignment instead of bcopy.
8459 (convert_regs_entry, convert_regs_exit): New.
8460 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8461 Work on basic blocks and the CFG.
8462 (convert_regs): Use them.
8464 * i386.c (output_fix_trunc): Remove code for DImode input operand
8465 not at top-of-stack.
8466 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8468 (fix_truncdi_1): Allow any mode scratch.
8470 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8472 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8473 * linux.h, netbsd.h, vms.h: Not here.
8475 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8477 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8478 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8479 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8480 CONDITIONAL_REGISTER_USEAGE): Use them.
8481 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8482 gen_conditional_branch,override_options) : Use them.
8483 * config/mips/mips.md : Use them.
8485 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8487 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8489 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8491 * integrate.c (function_cannot_inline_p): Don't allow inlining
8494 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8496 * c-parse.in (cast_expr): Constify.
8498 * cccp.c (special_symbol): Likewise.
8500 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8502 * dwarf2out.c (base_type_die): Likewise.
8504 * global.c (allocno_compare): Likewise.
8506 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8508 * regclass.c (fix_register): Likewise.
8510 * rtl.h (fix_register): Likewise.
8512 * stupid.c (stupid_reg_compare): Likewise.
8514 * toplev.c (decode_f_option): Likewise.
8516 * tree.c (build_complex_type): Likewise.
8518 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8520 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8522 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8524 * reload.c (find_reloads): Compute mode and nregs fields of all
8526 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8527 (calculate_needs): Use precomputed mode/nregs values.
8528 (allocate_reload_reg): Likewise.
8530 (failed_reload, set_reload_reg): ... new functions.
8531 (choose_reload_regs_init): New function, mostly broken out from...
8532 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8533 Also lose one #if 0 block.
8535 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8537 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8540 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8542 * tree.h (BLOCK_TYPE_TAGS): Remove.
8543 (BLOCK_END_NOTE): Likewise.
8544 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8545 (BLOCK_LIVE_RANGE_START): Likewise.
8546 (BLOCK_LIVE_RANGE_END): Likewise.
8547 (tree_block): Remove live_range_flag, live_range_var_flag, and
8548 type_tags. Remove end_note, live_range_start, and live_range_end.
8549 (remember_end_note): Remove prototype.
8550 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8551 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8553 * ggc-common.c (ggc_mark_tree_children): Don't mark
8554 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8555 * integrate.c (adjust_copied_decl_tree): Remove.
8556 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8557 * stmt.c (last_block_end_note): Remove.
8558 (init_stmt): Don't add a GC root for it.
8559 (expand_fixup): Don't set it.
8560 (remember_end_note): Remove.
8561 (expand_end_bindings): Don't set last_block_end_note.
8563 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8565 * reload1.c (reload_reg_free_for_value_p): Show
8566 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8569 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8571 * expmed.c (extract_bit_field): Allow for the case of non-integer
8572 objects that are smaller than a word (like SFmode on a 64-bit
8575 * loop.c (basic_induction_var): A non-integer variable which is
8576 being set by a paradoxical subreg is probably not a biv.
8578 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8580 * prefix.c (translate_name) Check for empty prefix string.
8582 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8584 * Makefile.in (CPP_CROSS_NAME): New variable.
8585 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8587 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8588 names of the files to be uninstalled.
8590 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8592 * collect2.c (IS_DIR_SEPARATOR): Define.
8593 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8595 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8598 * haifa-sched.c (add_dependence): Update the true dependency
8599 cache the first time we add a true dependence to the LOG_LINKS chain.
8601 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8603 * fold-const.c (fold): Fix comment.
8605 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8607 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8608 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8609 dbxout_start_new_source_file, dbxout_source_file,
8610 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8611 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8613 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8614 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8615 (dbxout_block): Initialize variable `blocknum'.
8617 * dbxout.h (dbxout_init, dbxout_finish,
8618 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8619 dbxout_args, dbxout_source_line): Constify a char*.
8621 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8622 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8623 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8624 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8625 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8626 src_info_attribute, mac_info_attribute, producer_attribute,
8627 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8628 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8629 dwarfout_undef): Constify a char*.
8630 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8632 * dwarfout.h (dwarfout_define, dwarfout_undef,
8633 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8635 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8637 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8638 (MULTILIB_ISA_DEFAULT): New.
8639 (MULTILIB_DEFAULTS): Use it.
8640 * config/mips/mips.c (): Remove the now unnecessary definition
8641 of MIPS_ISA_DEFAULT.
8642 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8643 unnecessary definition.
8645 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8647 * arm.md (pic_load_addr): Add constraints to operand 1.
8649 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8651 * fixinc/genfixes: Provide a means for specifying -D options to
8654 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8656 * arm.c (arm_override_options): Correct initialization of
8657 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8658 arm_is_strong, and arm_is_6_or_7.
8660 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8661 (note_set_pseudo_multiple_uses): New function.
8662 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8663 if a pseudo set in the loop exit is used elsewhere.
8665 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8667 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8669 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8671 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8672 a single load-address pattern.
8674 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8676 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8677 depending on whether or not line-number notes are present.
8679 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8681 * cccp.c (progname, file_buf, default_include, include_file,
8682 macrodef, definition, hashval, wchar_type, user_label_prefix,
8683 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8684 expand_to_temp_buffer, is_system_include, base_name,
8685 absolute_filename, read_name_map, open_include_file,
8686 record_control_macro, check_precompiled, check_preconditions,
8687 pcfinclude, pass_thru_directive, create_definition,
8688 check_macro_name, comp_def_part, collect_expansion,
8689 check_assertion, read_token_list, assertion_install,
8690 assertion_lookup, eval_if_expression, conditional_skip,
8691 validate_else, skip_quoted_string, quote_string, macarg1,
8692 error_from_errno, install, lookup, hashf, dump_defn_1,
8693 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8694 check_white_space, rescan, handle_directive, monthnames,
8695 special_symbol, do_include, remap_include_file, write_output,
8696 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8697 do_ident, do_sccs, do_xifdef, skip_if_group,
8698 output_line_directive, macroexpand, macarg, change_newlines,
8699 initialize_builtins, make_definition): Constify a char*.
8701 * pcp.h (stringdef): Likewise.
8703 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8705 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8708 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8709 Richard Henderson <rth@cygnus.com>
8711 * alias.c: Include ggc.h.
8712 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8713 (record_set): Verify enough room in reg_base_value.
8714 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8715 Register it as a GC root.
8716 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8717 * Makefile.in (alias.o): Depend on ggc.h.
8719 * unroll.c (unroll_loop): Verify the insn before a barrier
8720 is a JUMP_INSN before checking JUMP_LABEL.
8722 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8724 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8725 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8726 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8727 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8728 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8729 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8731 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8733 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8735 * alpha/alpha-interix.h (text_section): Delete prototype.
8736 * alpha/elf.h (text_section): Likewise.
8737 * arm/linux-elf.h (text_section): Likewise.
8738 * arm/linux-telf.h (text_section): Likewise.
8739 * c4x/c4x.h (text_section): Likewise.
8740 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8741 * elfos.h (text_section): Likewise.
8742 * i386/aix386ng.h (text_section): Likewise.
8743 * i386/i386-interix.h (text_section): Likewise.
8744 * i386/sco5.h (text_section): Likewise.
8745 * i386/svr3gas.h (text_section): Likewise.
8746 * nextstep.h (text_section): Likewise.
8747 * psos.h (text_section): Likewise.
8748 * ptx4.h (text_section): Likewise.
8749 * svr3.h (text_section): Likewise.
8750 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8752 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8754 * final.c (peephole): Delete prototype.
8756 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8757 (pre_insert_copies): Remove unused variable `bb'.
8759 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8762 * output.h (peephole): Add prototype.
8764 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8766 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8769 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8771 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8772 for inlined declarations.
8774 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8776 * arm.c (logical_binary_operator): New fucntion.
8777 * arm.h (logical_binary_operator): Declare it.
8778 (PREDICATE_CODES): Handle logical_binary_operator.
8779 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8780 output constraints. Add appropriate splitters.
8781 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8782 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8783 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8785 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8787 * genoutput.c (struct operand_data): New elt eliminable.
8788 (output_operand_data): Write it.
8789 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8790 (compare_operands): Take it into account.
8791 * recog.h (struct insn_operand_data): New elt eliminable.
8792 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8794 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8795 (eliminate_regs): Move code that detects changes to elimination
8796 target regs into new function elimination_effects.
8797 Delete one #if 0 block.
8798 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8799 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8800 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8801 Only call eliminate_regs for real operands of the insn, not for parts
8802 of its structure or parts matched by things like match_operator.
8803 Use elimination_effects and check_eliminable_occurrences. Use
8804 copy_insn to duplicate the pattern when not in the final pass.
8806 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8808 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8811 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8813 * fixinc/README: document the "mach" machine matching test
8814 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8815 * fixinc/fixtests.c: Implement the #else/#endif label test
8816 * fixinc/inclhack.def: utilize these tests and fixes
8817 * fixinc/inclhack.sh: regen
8818 * fixinc/fixincl.x: regen
8819 * fixinc/fixincl.sh: regen
8821 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8823 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8826 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8828 * gcc.1: Document exit codes.
8830 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8832 * calls.c: Include tm_p.h later, so everything we need is defined.
8834 * function.c: Likewise.
8836 * except.c: Include tm_p.h.
8838 * sparc.c: Likewise.
8839 (dwarf2out_cfi_label): Don't prototype.
8840 (check_return_regs, epilogue_renumber,
8841 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8842 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8843 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8844 ultra_schedule_insn): Add static prototype.
8845 (data_segment_operand, text_segment_operand): Call itself with the
8846 proper number of arguments.
8847 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8849 * sparc.h: Move all declarations to sparc-protos.h.
8850 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8853 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8855 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8857 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8858 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8859 ASM_OUTPUT_ASCII): Constify a char*.
8861 * sparc-protos.h: New file for sparc prototypes.
8863 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8865 * function.c (record_insns, contains): Always declare and define.
8866 (record_insns): Mark with ATTRIBUTE_UNUSED.
8868 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8870 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8871 to .section when outputting a .bss section to deal with multiple
8872 .bss input sections (as happens with -fdata-sections)
8873 Also output %progbits, not @progbits so the assembler doesn't treat as
8875 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8877 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8878 thumb parts even when building with non-thumb CPUs, by forcing
8881 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8883 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8884 (movdf_const_intreg_sp64): Similarly.
8886 * local-alloc.c (update_equiv_regs): Check the correct insn
8887 for pre-existing REG_EQUIV notes.
8889 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8891 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8892 block reached by a branch if we're not going to actually process
8895 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8897 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8898 a local extern function declaration.
8900 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8902 * i386.c (ix86_expand_prologue): Properly wrap USE around
8903 reg for CALL_INSN_FUNCTION_USAGE.
8905 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8907 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8908 move between GP_REGs.
8910 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8912 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8913 the mode size when finding out if an offset is legal.
8915 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8917 * basic-block.h (PROP_*): Move constants from ...
8919 (compute_bb_for_insn): Free the array before reallocating.
8920 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8921 (allocate_reg_life_data): Reset all reg variables collected by
8923 (get_block_head_tail): Don't convert from bb to block.
8924 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8925 (find_insn_reg_weight): Take block not bb.
8926 (schedule_block): Don't set block num for moved insns.
8927 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8928 (schedule_insns): Do it here instead.
8929 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8930 before update_life_info.
8931 * recog.c (split_all_insns, peephole2_optimize): Update for
8932 new arg to update_life_info.
8933 * rtlanal.c (remove_note): Cope with NULL note.
8934 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8937 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8939 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8941 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8942 block records so that merge_blocks_nomove will clean up correctly.
8943 (split_edge): Handle casesi insns.
8945 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8947 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8949 * pa.md (call, call_value): Do not emit a blockage after restoring
8952 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8954 * c-typeck.c (c_expand_asm_operands): Fix typo.
8956 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8958 * arm.c (fpu_rhs_operand): Verify modes.
8959 (fpu_add_operand): Likewise.
8960 (di_operand): Likewise.
8961 (soft_df_operand): Likewise.
8963 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8965 * arm.c (arm_return_in_memory): APCS rules state that the elements
8966 of a structure returned in a register must be 'integer-like'.
8968 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8970 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8971 in the source tree when the generated targets are out of date
8972 * fixinc/genfixes: Alter it to run individual fixes for make.
8973 * fixinc/README: rewrite
8974 * fixinc/inclhack.def: moved initial comments to README
8976 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8978 * toplev.c (main): Do not generate an error message if an
8979 unrecognised command line switch is recognisable by another
8980 language. If extra_warnings are enabled, then generate a
8981 warning message instead.
8983 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8985 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8986 (insert_pack_attributes): Delete prototype.
8988 * c-pragma.c (default_alignment): New static variable.
8989 (push_alignment): Initialize to current effective alignment.
8990 (pop_alignment): Use to set new alignment.
8991 (insert_pack_attributes): Delete function.
8992 (handle_pragma_token): Set default_alignment as well each time
8993 a #pragma pack(<n>) is encountered.
8995 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8997 * reg-stack.c (stack_result): Aggregates are not returned in
9000 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
9002 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
9004 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
9006 * basic-block.h (set_block_num): Declare.
9007 * flow.c (update_life_info): Don't call compute_bb_for_insn
9008 or free_basic_block_vars.
9009 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
9010 (insn_orig_block): Remove.
9011 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
9012 (schedule_block): Keep BLOCK_NUM up-to-date.
9013 (schedule_insns): Use compute_bb_for_insn.
9014 * recog.c (split_all_insns): Likewise.
9015 (peephole2_optimize): Likewise.
9017 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
9019 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
9020 if the pic register is used.
9022 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9024 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
9025 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
9026 if that tests TREE_PERMANENT.
9028 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
9030 * cse.c (invalidate_for_call): Do not remove memory references from
9031 the table here. It's handled elsewhere.
9033 * haifa-sched.c (add_dependence): Protect references to the
9034 true dependency cache with #ifdef INSN_SCHEDULING.
9035 (remove_dependence): Similarly.
9037 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
9038 to the cfg code that this is a return instruction.
9039 * mn10300.md (return_internal): Similarly.
9041 * combine.c (get_last_value): If the last set of a register
9042 is after subst_low_cuid, then we can not use it to determine
9043 the register's last value.
9045 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
9047 * Makefile.in: Back out previous change.
9049 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
9051 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
9053 * haifa-sched.c (add_dependence): Only check/update the cache
9055 (remove_dependence): Likewise.
9056 (schedule_insns): Only create the true_dependency_cache if the
9057 average number of instructions in a basic block is very large.
9059 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
9061 * Makefile.in (ggc-common.o): Depend on genrtl.h.
9062 (ggc-simple.o): Likewise.
9063 (ggc-page.o): Likewise.
9065 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
9067 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
9068 Prototype for exported functions.
9069 (pre_lcm, pre_rev_lcm): Remove prototypes.
9070 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
9071 (compute_available): Move to lcm.c, and change parameter order.
9072 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
9073 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
9074 (gcse_main): No longer call compute_preds_succs. Rebuild the
9075 set table after reach pre pass.
9076 (pre_insert_map, pre_delete_map, edge_list): New.
9077 (alloc_pre_mem): Allocate edge vectors.
9078 (free_pre_mem): Delete edge vectors.
9079 (compute_pre_data): Call new edge based lcm routines.
9080 (process_insert_insn): New function.
9081 (insert_insn_end_bb): Use it.
9082 (pre_edge_insert): New function.
9083 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
9085 (pre_insert_copies): Revamp using new edge based lcm outputs.
9086 (pre_delete): Likewise.
9087 (one_pre_gcse_pass): Insert & remove fake edges to the exit
9089 (compute_code_hoist_vbeinout): New new edge based routines.
9090 * lcm.c: Remove all the old LCM functions. Replace with new ones
9091 that work with the new cfg datastructures and work with edges
9094 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9096 * reload.h (struct reload): Add new fields "mode" and "nregs".
9097 * reload1.c: Change all occurrences of reload_mode and reload_nregs
9098 to reference the "mode" and "nregs" field within struct reload.
9100 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
9102 * haifa-sched.c (true_dependency_cache): New.
9103 (add_dependence): Use the true dependency cache to avoid expensive
9104 walks down the LOG_LINKS dependency list. Add entries to the
9106 (remove_dependence): Remove entries from the true dependency cache
9108 (schedule_insns): Allocate and initialize and free the true
9111 * haifa-sched.c (schedule_insns): Do not remove inter-block
9112 dependencies anymore.
9114 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
9116 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
9117 * i386/t-winnt: Likewise.
9119 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
9121 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
9123 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
9125 * Makefile.in (LANGUAGES): Omit "proto".
9126 (clean): Remove stale comment about removing unprotoize.c.
9128 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9130 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
9131 using arithmetic on void pointers.
9133 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
9135 * haifa-sched.c (compute_block_forward_dependencies): Only check
9136 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
9138 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
9140 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
9141 (expr_equiv_p): Reject memories with different alias sets.
9143 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
9145 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
9146 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
9147 (f_options): Add "bounded-pointers" and "bounds-check" entries.
9148 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
9149 (lang_init): Set default for flag_bounds_check if still "unspecified".
9151 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9153 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
9155 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9157 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
9160 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9162 * config/c4x/c4x.md (*db_noclobber,
9163 *decrement_and_branch_until_zero_noclobber): New patterns and
9164 associated splitters.
9166 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9168 * config/c4x/c4x.md (parallel instruction patterns): Rework
9169 constraints to keep reload happy.
9171 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9173 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
9174 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
9175 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
9176 Add new patterns and associated post-reload splitters.
9178 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9180 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
9182 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9184 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
9186 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
9188 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9190 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
9193 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
9195 * pa.c (move_operand): Rely on memory_address_p to determine the
9196 validity of non-indexed memory addresses.
9197 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
9198 operand in DFmode and SFmode when generating PA2.0 code.
9200 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
9202 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
9204 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
9206 * mips.c (function_prologue): Fix argument types.
9207 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
9208 (casesi_internal): Write to the scratch register.
9210 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
9212 * cppexp.c (cpp_parse_escape): Make static. Change second arg
9214 (parse_charconst): Delete unnecessary cast when calling
9216 (cpplib.h): Kill prototype of cpp_parse_escape.
9218 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
9220 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
9221 * unroll.c (unroll_loop): Cast return value of alloca.
9222 * i370/i370.c: Include function.h and toplev.h.
9223 (i370_label_scan): Remove c++ commented abort.
9224 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
9225 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
9226 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
9227 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
9229 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
9231 * config/t-freebsd: Do not override USER_H.
9232 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
9234 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
9235 Mumit Khan <khan@xraylith.wisc.edu>
9237 * c-parse.in (component_decl): Support anonymous struct/union.
9239 * c-parse.y: Regenerate.
9240 * c-parse.c: Likewise.
9241 * objc/objc-parse.y: Likewise.
9242 * objc/objc-parse.c: Likewise.
9243 * c-decl.c (finish_struct): Don't sort the fields.
9244 (field_decl_cmp): Delete unused function.
9246 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
9248 * sparc.md (movsf_const_intreg): Revert last constraint change.
9249 (movdf_const_intreg_sp32): Likewise.
9251 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
9253 * cse.c: Include hashtab.h instead of splay-tree.h
9254 (struct cse_reg_info): No longer use variant union. Add new
9255 field "regno". All references changed to avoid union.
9256 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
9257 (free_cse_reg_info): Remove.
9258 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
9259 (get_cse_reg_info): Revamp to use expandable hash tables instead
9260 of splay trees. Initialize new fields in cse_reg_info structure.
9261 (new_basic_block): Similarly.
9263 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
9265 * genrecog.c (message_with_line): Prototype.
9266 (validate_pattern): Pass along the set for the dest, not a flag.
9267 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
9268 Check for PC/CC0 as sources.
9269 (nodes_identical): Check for children position match before
9270 allowing the combination.
9272 * rtl.c (read_rtx): Track line number across \\\n.
9274 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
9276 * mips.h (SPECIAL_MODE_PREDICATES): New.
9277 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
9278 (movdi+1, movsi+1): Add output reload constraint.
9279 (casesi_internal): Likewise. Fix commentary.
9280 (return_internal): Use pmode_register_operand.
9282 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
9284 * 1750a.md (movstrqi): Add missing output reload constraint.
9285 (call_value): Likewise.
9286 * a29k.md (cpxxx patterns): Add missing match_operator mode.
9287 (jmpfdec): Add missing inout reload constraint.
9288 * elxsi.md (addsi patterns): Add missing output reload constraint.
9289 (move from sp): Use @ alternates.
9290 (call_value): No constraint on output.
9291 * fr30.md (movsi_pop): Add missing output reload constraint.
9292 (movsf_constant_store): Likewise.
9293 (splits): Remove constraints.
9294 (subsi3): Add missing mode.
9295 * i370.md (cmpstrsi+1): Add missing output reload constraint.
9296 (call_value): Likewise.
9297 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
9298 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
9299 * m32r.md (movsicc_internal): Add output reload constraint.
9300 (movstrsi_internal): Add inout reload constraints.
9301 * m88k.h (reg_names): Don't declare.
9302 (SPECIAL_MODE_PREDICATES): New.
9303 * m88k.md (*): Use register_operand not reg_or_0_operand
9305 * mn10200.h (PREDICATE_CODES): New.
9306 * ns32k.md (ffs pattern): Add output reload constraint.
9307 * pdp11.md (sob pattern): Add inout reload constraint.
9308 * sh.md (splits): Remove constraints.
9309 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
9310 * v850.md (pattern_is_ok_for_epilogue): Likewise.
9311 * vax.md (jgequ pattern): Add inout reload constraint.
9313 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
9315 * configure.in (djgpp): Revert previous patch.
9316 * configure: Rebuit.
9317 * config/i386/djgpp.h: Revert previous patch.
9319 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
9321 * fixinc/inclhack.def: Restore patch lost during last merge of
9322 "no_bogosity" branch.
9323 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
9325 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9327 * fixincludes: Add a HPUX 11 fix for inttypes.h.
9328 * fixinc/inclhack.def: Same.
9329 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
9331 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
9333 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
9334 as the base of a PLUS.
9336 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9338 * config/c4x/c4x.md: Define mode for remaining unspec operators.
9339 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
9341 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
9343 * pa.md (post_stw+1): Use pmode_register_operand.
9344 (dcacheflush, icacheflush): Likewise.
9346 * i386.md (movstricthi_1): Allow r/r.
9348 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
9350 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
9351 to (not (and (arg0) (arg1))). Similary for and.
9353 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
9354 fallthrough to associate code.
9355 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
9358 * combine.c (simplify_logical): Convert XOR to IOR if operands have
9359 no bits in common; remove XOR to ROTATE conversion.
9361 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9363 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
9365 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9367 * config/c4x/c4x.c (dst_operand): New.
9368 (PREDICATE_CODES): Update.
9369 * config/c4x/c4x.h (dst_operand): Declare it.
9370 * config/c4x/c4x.md: Define mode for each unspec usage.
9371 (move patterns): Use dst_operand predicate instead of src_operand.
9372 (movqi_update, movqf_update): Delete.
9374 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
9376 * recog.c (pmode_register_operand): New.
9377 * recog.h: Declare it.
9378 * genrecog.c (pred_codes): Likewise.
9379 (special_mode_pred_table): Likewise.
9380 (validate_pattern): Don't warn no mode for address_operand.
9382 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
9383 if the operand is not insn-like.
9385 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
9386 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
9388 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
9390 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
9392 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
9393 instead of general_operand in a SET_DEST. Use const_double_operand
9394 instead of an explicit test against CONST_DOUBLE.
9395 (movsf_const_lo): Add missing register mode.
9396 (goto_handler_and_restore): Add auxiliary test for Pmode.
9397 (flush): Adjust to use address_operand.
9398 (return_sf_no_fpu): Add missing output constraint.
9400 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
9402 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
9403 for call return value.
9404 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
9406 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
9408 * toplev.c (main): Only warn about options for other languages.
9409 * collect2.c (main): Pass -w to sub-gcc.
9411 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
9413 * flow.c (propagate_block): Add call-clobbered registers to
9416 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
9417 zapping mem_set_list.
9418 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
9419 (mark_set_1, mark_used_regs): Likewise.
9421 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
9423 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9425 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9427 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9428 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9429 options. Also add a new item "C-only Warning Options" to the
9432 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9434 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9435 from multiple calls.
9437 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9439 * i386.md (call value patterns): Move to the end of the file.
9440 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9442 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9444 * configure.in (djgpp configuration): Define extra_objects..
9445 * configure: Rebuilt.
9446 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9447 (DTORS_SECTION_ASM_OP): Define.
9448 (INIT_SECTION_ASM_OP): Define.
9449 (FINI_SECTION_ASM_OP): Define.
9450 (DATA_SECTION_ASM_OP): Define.
9451 (TEXT_SECTION_ASM_OP): Define.
9452 (EH_FRAME_SECTION_ASM_OP): Define.
9453 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9454 (STARTFILE_SPEC): Add crtbegin.o.
9455 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9456 to here from LINK_COMMAND_SPEC.
9457 (DO_GLOBAL_CTORS_BODY): Define.
9458 (CRTSTUFF_USE_FINI_SECTION): Define
9459 (HAS_INIT_SECTION): Delete.
9461 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9463 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9465 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9467 * pa.h (PREDICATE_CODES): New.
9469 * genrecog.c (validate_pattern): Condense the destination
9472 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9474 * alpha.md (call-1): Supply missing mode for operator.
9475 (*): Add missing output reload constraints. Remove constraints
9478 * i386.h (SPECIAL_MODE_PREDICATES): New.
9479 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9480 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9481 (addsi_lea_3): Add missing mode for op 3.
9482 (prologue_set_got, prologue_get_pc): Add missing modes.
9483 (*) Add missing output reload constraints.
9485 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9487 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9488 check for member bit-size overflow and use var_size if it occurs.
9489 (layout_record): Use bitsize_int() to define the type size in bits.
9490 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9491 (layout_decl): Likewise when assigning to DECL_SIZE.
9493 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9495 * genrecog.c (validate_pattern): Typo last change. Verify
9496 that output operands have output reloads.
9498 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9500 * genrecog.c (special_mode_pred_table): New.
9501 (NUM_SPECIAL_MODE_PREDS): New.
9502 (find_operand): New.
9503 (validate_pattern): New argument `insn'. Warn for assignment to
9504 any predicate accepting non-lvalues. Conditionaly warn for
9505 match_operand without a mode. Try much harder to match source
9506 and destination modes on a set.
9507 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9509 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9511 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9513 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9515 * combine.c (simplify_logical): Recognize xor pattern that encodes
9518 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9520 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9523 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9525 * ggc-page.c (MAP_FAILED): Provide default.
9527 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9529 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9530 * sparc.h (PREDICATE_CODES): Update.
9532 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9534 * alpha.c (some_ni_operand): New.
9535 * alpha-protos.h: Declare it.
9536 * alpha.h (PREDICATE_CODES): Update.
9537 * alpha.md (sXaddq reload insns): Use some_ni_operand
9538 for SET_DEST instead of some_operand.
9540 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9541 Jim Wilson <wilson@cygnus.com>
9543 * genrecog.c (maybe_both_true_2): Don't compare modes of
9545 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9546 after find_afterward.
9547 (debug_decision_1): Dump next and afterward codes.
9549 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9551 * rtl.c (dump_and_abort): Remove.
9552 (fatal_with_file_and_line): New.
9553 (fatal_expected_char): New.
9554 (read_rtx_lineno, read_rtx_filename): New.
9555 (read_skip_spaces): Track line number.
9556 (read_name): Use fatal_with_file_and_line.
9557 (read_rtx): Use fatal_expected_char. Track line number.
9558 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9560 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9561 if it isn't a CODE_LABEL.
9563 * genattr.c (main): Set read_rtx_filename.
9564 * genattrtab.c (main): Likewise.
9565 * gencodes.c (main): Likewise.
9566 * genconfig.c (main): Likewise.
9567 * genemit.c (main): Likewise.
9568 * genextract.c (main): Likewise.
9569 * genflags.c (main): Likewise.
9570 * genopinit.c (main): Likewise.
9571 * genoutput.c (main): Likewise.
9572 * genpeep.c (main): Likewise.
9574 * genrecog.c (decision_test.u.insn): Add `lineno'.
9575 (pattern_lineno, error_count): New variables.
9576 (message_with_line): New.
9577 (add_to_sequence): Break out checking code to ...
9578 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9579 (merge_insn): Use message_with_line.
9580 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9581 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9583 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9585 * expr.c (store_constructor): Clear union if constructor is empty.
9587 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9589 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9590 Add !endian checks. Change %{...} to %(...).
9592 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9594 * i386.md (*addsi3_cc): Renamed from addcsi3.
9595 (*addsi3_carry): Renamed from addxsi3.
9596 (*subsi3_cc): Renamed from subcsi3.
9597 (*subsi3_carry): Renamed from subxsi3.
9598 (*xorqi_cc_1): Renamed from xorcqi_1.
9599 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9600 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9602 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9604 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9605 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9607 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9609 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9610 climb up the chain of insns.
9612 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9614 * genrecog.c (write_subroutine): Careful for null trees.
9615 (process_tree): Don't elide empty functions.
9617 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9619 * Makefile.in (genrtl.o): Depend on ggc.h.
9620 * configure.in (valloc): Probe for it.
9621 (with-gc): Use ggc-page if valloc present.
9622 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9623 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9624 (ggc_alloc_string): Moved from ggc-page.c.
9625 * ggc-none.c (ggc_alloc_obj): New.
9626 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9627 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9628 (struct globals): Likewise for dev_zero_fd.
9629 (init_ggc): Likewise for it's initialization.
9630 (ggc_allocated_p): Move careful dereference from ...
9631 (ggc_lookup_page_table): ... here. Delete.
9632 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9633 (alloc_anon): Use valloc if no mmap.
9634 (release_pages): Use free if using valloc.
9635 (ggc_alloc_obj): Renamed from alloc_obj.
9636 (ggc_set_mark): Renamed from mark_obj.
9637 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9638 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9639 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9640 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9641 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9642 (ggc_collect): Use fp printing instead of our own rounding.
9643 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9644 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9645 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9646 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9647 (struct ggc_string, struct ggc_any): Delete.
9648 (offsetof): Provide default definition.
9649 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9651 (struct ggc_mem): New, from corpse of ggc_any.
9652 (struct ggc_status): Delete.
9653 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9654 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9655 (n_strings_collected, n_anys_collected): Delete.
9656 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9657 (ggc_alloc_string, ggc_alloc): Delete.
9658 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9659 (ggc_free_string, ggc_free_any): Delete.
9660 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9661 (ggc_compare_addresses, ggc_mark_string): Delete.
9662 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9663 (search_data): Delete.
9664 (struct globals): New.
9665 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9666 (tree_insert, tree_lookup): New.
9667 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9668 (clear_marks, sweep_objs): New.
9669 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9670 (init_ggc): Set allocated_last_gc.
9671 (ggc_push_context): Gut. Use G.context.
9672 (ggc_pop_context): Likewise.
9673 (ggc_pop_context_1): New.
9674 (debug_ggc_tree): New.
9675 (debug_ggc_balance, tally_leaves): New.
9676 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9677 (ggc_mark_string_if_gcable): Remove decl.
9678 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9679 (ggc_mark_rtvec_children): New.
9680 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9681 (ggc_mark_if_gcable): New decl.
9682 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9683 (ggc_alloc_tree, ggc_alloc): Likewise.
9684 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9685 (ggc_alloc_obj): New decl.
9686 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9687 (ggc_alloc_tree, ggc_alloc): Likewise.
9688 (ggc_set_mark): New decl.
9689 * rtl.h (struct rtx_def): Remove gc_mark.
9690 (struct rtvec_def): Likewise.
9691 * tree.h (struct tree_common): Likewise.
9693 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9695 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9696 float_format and thread_file definitions.
9697 * configure: Rebuilt.
9699 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9701 * extend.texi (Function Names): Document types of function names.
9703 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9705 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9706 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9708 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9710 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9712 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9714 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9716 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9718 * collect2.c (main): Do prelimnary link on AIX if rflag.
9720 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9722 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9723 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9725 (__do_global_dtors): similarly for __DTOR_LIST__.
9727 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9728 Diego Novillo <dnovillo@cygnus.com>
9730 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9733 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9735 * fixincl/*: Merged "no_bogosity" branch
9736 * fixincl/fixlib.h: protect against doubly defining t_bool
9737 * fixincl/server.h: protect against doubly defining t_bool
9739 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9741 * genoutput.c: Include toplev.h.
9743 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9745 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9747 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9748 * configure: Regenerate.
9750 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9752 * gcse.c (delete_null_pointer_checks): Returns void.
9754 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9756 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9757 * emit-rtl.c (copy_insn_1): Likewise.
9759 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9761 * config/mips/mips.c (mips_build_va_list): Correct
9762 TREE_CHAIN setting when hard-float.
9763 (mips_va_start): Use corrected setting.
9764 (mips_va_arg): Likewise. Also pass a tree to build of
9765 POSTINCREMENT_EXPR rather than a naked 'int'.
9767 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9769 * ggc.h (ggc_push_context): Fix comment.
9770 (ggc_pop_context): Likewise.
9771 (mark_string_if_gcable): Likewise.
9772 * ggc-common.c (ggc_mark_rtx_children): Use
9773 ggc_mark_string_if_gcable.
9774 * ggc-page.c (ggc_lookup_page_table): New function.
9775 (ggc_allocated_p): Likewise.
9776 (mark_obj): Fix formatting.
9777 (ggc_mark_string_if_gcable): New function.
9778 * ggc-simple.c (ggc_allocated_strings): New variable.
9779 (ggc_strings_used): Likewise.
9780 (ggc_compare_addresses): New function.
9781 (ggc_pop_context): Pop the `any' memory too.
9782 (ggc_mark_string_if_gcable): New function.
9783 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9785 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9787 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9788 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9789 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9792 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9794 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9795 (sched_reg_live_length, sched_reg_basic_block): Delete.
9796 (current_block_num, bb_live_regs, old_live_regs): Delete.
9797 (dead_notes, struct sometimes): Delete.
9798 (sched_note_set, birthing_insn_p): Delete.
9799 (adjust_priority): Gut useless reg lifetime code.
9800 (create_reg_dead_note, attach_deaths): Delete.
9801 (attach_deaths_insn, new_sometimes_live): Delete.
9802 (finish_sometimes_live): Delete.
9803 (find_pre_sched_live, find_post_sched_live): Delete.
9804 (update_reg_usage): Delete.
9805 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9806 (schedule_insns): Delete reg lifetime code.
9807 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9808 (unlink_other_notes): Adjust REG_NOTE commentary.
9809 (reemit_notes): Use REG_SAVE_NOTE.
9810 (schedule_block): Likewise.
9811 (schedule_region): Allocate bitmap of blocks in region. Use
9812 count_or_remove_death_notes. Use update_life_info.
9814 * rtl.h (REG_SAVE_NOTE): New.
9815 * rtl.c (reg_note_name): Update.
9817 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9819 * combine.c (refresh_blocks, need_refresh): New.
9820 (combine_instructions): Allocate refresh_blocks. Invoke
9821 update_life_info if needed.
9822 (distribute_notes): Mark refresh_blocks instead of installing
9824 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9825 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9827 * Makefile.in (recog.o): Depend on basic-block.h.
9829 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9831 * genrecog.c (add_to_sequence): Thinko last change: delete
9832 shadowing allow_const_int variable.
9834 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9836 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9837 __GNUC__ and __GNUC_MINOR__.
9839 * gansidecl.h: Likewise.
9845 * toplev.h: Likewise.
9851 * varray.c: Likewise.
9853 * varray.h: Likewise.
9855 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9857 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9858 use one before a jump table.
9860 * rtl.def (ADDRESS): Change documentation to match reality.
9861 * md.texi: Don't document it.
9862 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9865 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9867 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9869 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9870 known predicate block; default allow_const_int true.
9871 (debug_decision_list): New.
9873 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9875 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9877 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9879 * gcse.c (gcse_main): Avoid global optimizations if we have a
9880 large number of basic blocks and the ratio of edges to blocks
9882 (delete_null_pointer_checks): Likewise.
9884 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9886 * c-common.c (check_format_info): Warn if format string isn't a
9889 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9891 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9892 * configure: regenerate
9894 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9896 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9897 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9898 (peepholes): Re-enable.
9900 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9902 * Makefile.in (flow.o): Depend on TREE_H.
9903 * basic-block.h (REG_SET_EQUAL_P): New.
9906 (free_regset_vector): Remove declaration.
9907 (flow_delete_insn_chain): Declare.
9908 (enum update_life_extent): New.
9909 (update_life_info, count_or_remove_death_notes): Declare.
9910 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9911 Verify register live at bb->global_live_at_start before adding USE.
9912 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9913 (CLEAN_ALLOCA): New.
9915 (PROP_*): New flags.
9916 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9917 (clear_edges): Zero n_edges.
9918 (make_edge): Increment n_edges.
9919 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9920 (flow_delete_insn_chain): Export.
9921 (delete_block): Decrement n_edges.
9922 (merge_blocks_nomove): Likewise.
9923 (life_analysis): Give life_analysis_1 PROP flags.
9924 (verify_wide_reg_1, verify_wide_reg): New.
9925 (verify_local_live_at_start): New.
9926 (update_life_info): Rewrite to call into propogate_block.
9928 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9929 always mark stack pointer. Conditionally mark PIC register.
9930 After reload, mark call-saved registers, return regsiters.
9931 (life_analysis_1): Accept PROP flags not remove_dead_code.
9932 Call mark_regs_live_at_end before zeroing regs_ever_live.
9933 Use calculate_global_regs_live. Copy global_live_at_end before
9934 calling final propagate_block. Zero reg_next_use on exit.
9935 (calculate_global_regs_live): New.
9936 (allocate_bb_life_data): Don't allocate bb->local_set.
9937 (init_regset_vector, free_regset_vector): Remove.
9938 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9939 Test flags before every operation. Warn if prologue/epilogue insn
9940 would have been deleted.
9941 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9942 Use alloc_EXPR_LIST.
9943 (mark_used_regs): Accept and use FLAGS, not FINAL.
9944 Remove special handling for RETURN.
9945 (try_pre_increment): Use alloc_EXPR_LIST.
9946 (dump_flow_info): Dump n_edges.
9947 (unlink_insn_chain, split_hard_reg_notes): Remove.
9948 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9949 (find_insn_with_note, new_insn_dead_notes): Remove.
9950 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9951 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9952 (replace_insns): Remove.
9953 (count_or_remove_death_notes): New.
9954 (verify_flow_info): Abort on error after all checks.
9955 (remove_edge): Decrement n_edges.
9956 (remove_fake_edges): Tweek format.
9957 * haifa-sched.c (schedule_insns): Use split_all_insns.
9958 * output.h (update_life_info): Remove declaration.
9959 * recog.c (split_all_insns): From the corpse of split_block_insns,
9960 do the whole function block by block. Use update_life_info.
9961 (recog_last_allowed_insn): New.
9962 (recog_next_insn): Mind it.
9963 (peephole2_optimize): Set it. Walk backwards through blocks.
9964 Use update_life_info.
9965 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9966 (split_all_insns): Declare.
9967 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9968 Use split_all_insns.
9970 * i386.md (or -1 peep2s): Disable.
9972 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9974 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9975 a single pattern. Scrap the 'd' versions as unnecessary.
9977 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9978 tablejump_mips162,tablejump_internal4): The operands to a
9979 label_ref must be VOIDmode.
9981 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9983 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9985 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9987 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9989 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9991 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9992 cache every function if ggc_p.
9994 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9996 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9997 instead of copy_rtx. Accept sequences that contain asm statements.
9998 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9999 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
10000 orig_asm_operands_vector, copy_asm_operands_vector,
10001 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
10003 * rtl.h (copy_insn, copy_insn_1): Declare.
10005 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10007 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
10009 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
10010 arguments to `current_file_function_operand'.
10012 * genrecog.c: Include hard-reg-set.h and resource.h in the
10013 generated output file.
10015 * real.c: Include tm_p.h.
10017 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10019 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
10022 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
10024 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
10025 before the fctiwz insn.
10027 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10028 Mark Mitchell <mark@codesourcery.com>
10030 * tree.c (make_lang_type_fn): New funtion pointer.
10031 (make_lang_type): Call it.
10032 * tree.h (make_lang_type): Declare.
10033 (make_lang_type_fn): Likewise.
10034 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
10036 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
10038 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
10039 make sure that HIGH instructions are copied into BASE_REGS.
10041 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
10043 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
10045 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
10047 * c-decl.c (finish_struct): Use simpler method of
10048 removing elements of a singly-linked list.
10050 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
10052 * alpha.md (peephole2's): Comment out peephole2's that generate
10055 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
10057 * genrecog.c (add_to_sequence): Disable mode check for
10060 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10062 * ggc-simple.c (init_ggc): Set empty_string.
10064 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
10066 * configure.in: Detect mmap. Add --with-gc=foo to select
10067 garbage collector; default to page if mmap available.
10068 * Makefile.in (GGC): Substitute.
10070 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
10072 * c-decl.c (ggc_p): Enable.
10074 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10076 * flow.c (verify_flow_info): Make it extern & unconditionally define.
10078 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
10080 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
10081 string for little-endian-data.
10083 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
10085 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
10086 case somebody tries to compile --enable-checking code with gcc
10089 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
10091 * genrecog.c (add_to_sequence): Verify operand to label_ref is
10094 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
10096 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
10097 * jump.c (jump_optimize_1): Document why.
10099 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10101 * collect2.c (scan_prog_file, scan_libraries): Prototype function
10102 pointers and casts for `int_handler' and `quit_handler'.
10104 * flow.c (verify_flow_info, split_hard_reg_notes,
10105 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
10106 remove_edge, remove_fake_successors): Add static prototypes.
10107 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
10108 (mark_set_1): Initialize variable `regno'.
10109 (unlink_insn_chain): Likewise for variable `curr'.
10110 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
10112 * loop.c (strength_reduce): Initialize variable
10113 `unrolled_insn_copies'.
10114 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
10115 prototypes. Change these functions to take const PTR parameters
10116 to avoid prototype conflict when used as the comparson argument
10118 (check_dbra_loop): Initialize variable `comparison_val'.
10120 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
10121 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
10122 (find_valid_class): Initialize variable `best_class'.
10123 (find_reloads): Call memcpy, not bcopy.
10125 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
10126 (hard_reg_use_compare): Don't needlessly cast away const.
10127 (reload_reg_class_lower): Likewise.
10128 (choose_reload_regs): Initialize variable `regno'.
10130 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
10132 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
10134 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
10136 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
10137 ({,d}discard): Add forward declarations. Declare parameter as
10139 (main_without_main): Explicitly declare return type to be int.
10140 (memcpy): Properly declare.
10142 * libgcc2.c (toplevel): If inhibit_libc is defined and not
10143 building the trampoline support, declare malloc, free, and
10145 (__clear_cache): Mark arguments as potentially unused.
10147 * frame.c (toplevel): If inhibit_libc is defined, declare
10150 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
10152 * flow.c (make_edge): Accept an optional 2D bitmap in which
10153 to cache edge existence. Update all callers.
10154 (make_label_edge, make_eh_edge): Pass through the edge cache.
10155 (make_edges): Provide the cache.
10157 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10159 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
10161 (local_mbtowc): Change the type of variable `i' from int to size_t.
10163 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
10164 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
10166 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
10168 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
10169 after other includes that define the appropriate types. Include
10170 tm_p.h for getting user prototypes.
10171 * ggc-callbacks.c (toplevel): Ditto.
10172 * ggc-none.c (toplevel): Ditto.
10173 * gcc-page.c (toplevel): Ditto.
10174 * ggc-simple.c (toplevel): Ditto.
10176 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
10177 Jonathan Larmour <jlarmour@cygnus.co.uk>
10179 * config/mips/mips.c (mips_move_2words): Split doubles if
10180 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
10182 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
10184 * genrecog.c (struct decision_test): New.
10185 (struct decision): Remove test-related members, sort the rest by size.
10186 (IS_SPLIT): Simplify.
10187 (new_decision, new_decision_test): New.
10188 (add_to_sequence): Use them. No special handling for args of
10190 (maybe_both_true): Renamed from not_both_true; return sense changed.
10191 (maybe_both_true_1, maybe_both_true_2): New. Broken out
10192 of maybe_both_true and adjusted for decision_test.
10193 (position_merit): Remove.
10194 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
10195 (merge_accept_insn): New, broken out of merge_trees.
10196 (merge_trees): Use them. No special case for c_test; no node
10197 splitting; use test type instead of position_merit.
10198 (factor_tests): New.
10199 (simplify_tests): New.
10200 (break_out_subroutines): Don't write code now.
10201 (find_afterward): New.
10202 (write_afterward, write_switch, write_cond): New.
10203 (write_action, is_unconditional): New.
10204 (write_node): New. Use them.
10205 (write_tree_1): Rewrite. Use the new functions above.
10206 (write_tree): Remove afterward processing.
10207 (write_subroutine): Simplify function variant emission.
10208 (write_subroutines): New.
10209 (same_codes, clear_codes): Remove.
10210 (same_modes, clear_modes): Remove.
10211 (write_header): New, broken out of main.
10212 (make_insn_sequence): Use new_decision and new_decision_test.
10213 (process_tree): New, broken out of main.
10214 (main): Adjust for merge_trees interface change.
10215 Don't #define operands in the output file.
10216 (record_insn_name): New, broken out of make_insn_sequence.
10217 (debug_decision_2, debug_decision_1, debug_decision_0): New.
10218 (debug_decision): New.
10220 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
10222 * resource.c (find_free_register): Mark class_str argument const.
10223 * resource.h: Update prototype to match.
10225 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
10226 * i386.md: Give all anonymous insns names.
10228 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
10230 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
10233 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
10235 * toplev.c (dbr_sched_time): Unconditional.
10236 (peephole2_time): New.
10237 (compile_file): Add pass numbers to all of the dump file suffixes.
10238 Dump peephole2_time. Don't dump times for non-applicable passes.
10239 (rest_of_compilation): Add pass numbers to dump file suffixes.
10240 Conditionalize calls to the scheduler.
10241 * invoke.texi: Update.
10243 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
10245 * flow.c (make_edges): Fix insn iteration.
10246 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
10247 (find_basic_blocks_1): Fix spelling mistake.
10249 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
10251 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
10252 always have side-effects. Use memset not bzero.
10253 (make_node): Likewise.
10255 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
10257 * stmt.c (expand_anon_union_decl): When any of the elements of the
10258 union is addressable, so is the entire union.
10260 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
10262 * sbitmap.c (sbitmap_ones): Don't set too many bits.
10264 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
10265 * bitmap.c (bitmap_operation): Return true iff TO changed.
10266 (bitmap_equal_p): New.
10267 (bitmap_bit_p): Tidy arithmetic.
10268 (debug_bitmap_file): Likewise.
10270 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
10272 * toplev.c (rest_of_compilation): Turn on cse_not_expected
10273 before cse2 instead of after.
10275 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
10277 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
10280 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10282 * cppinit.c (is_idchar initializer): Loosen tests to accept
10285 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
10287 * mips.md: Define conditional move patterns for floating point
10288 operands and DI mode conditions.
10290 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
10292 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
10293 always have side-effects.
10295 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
10297 * mn10200.c (asm_file_start): Fix typo.
10299 * cppinit.c (is_idchar initializer): Tighten tests for when
10300 to put the table into initialized memory.
10302 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
10303 not an array of rtunion.
10304 * gcc-page.c (ggc_alloc_rtvec): Similarly.
10305 * gcc-simple (ggc_free_rtvec): Similarly.
10307 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
10310 * mbchar.h: Add missing #endif.
10312 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
10313 (FPBIT, DPBIT): Define.
10315 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10317 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
10319 * profile.c (instrument_arcs, output_gcov_string,
10320 tablejump_entry_p): Add static prototypes.
10321 (output_gcov_string): Constify a char*.
10323 * regmove.c (replacement_quality, fixup_match_2): Add static
10326 * resource.h (reg_dead_p): Add extern prototype.
10328 * rtl.c (trim_filename): Add static prototype.
10330 * scan-decls.c (skip_to_closing_brace): Likewise.
10332 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
10333 (expand_end_case): Initialize variable `range'.
10334 (emit_case_nodes): Remove unused prototype `rtx_fn'.
10336 * varasm.c (asm_emit_uninitialised): Add static prototype.
10337 (asm_emit_uninitialised, assemble_variable): Mark parameter with
10340 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10342 * cpplib.c (if_directive_nameo): Add static prototype.
10344 * cse.c (cse_insn): Remove unused variable `p'.
10346 * except.c (create_rethrow_ref, push_entry,
10347 receive_exception_label, new_eh_region_entry, find_func_region,
10348 clear_function_eh_region, process_nestinfo): Add static prototypes.
10349 (get_reg_for_handler): Hide definition.
10350 (process_nestinfo): Initialize variable `extra_handlers'.
10352 * expr.h (expand_builtin_longjmp): Add extern prototype.
10354 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
10356 * function.c (prepare_function_start): Likewise.
10357 (pop_function_context_from): Mark parameter `context' with
10359 (push_temp_slots_for_block, flush_addressof): Hide definition.
10361 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
10362 solve_program_flow_graph, calculate_branch_probs,
10363 function_summary, main, fancy_abort): Add prototypes.
10365 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
10366 (add_hash): Constify a char*.
10368 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
10369 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
10370 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
10372 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
10374 * lists.c (free_list, zap_lists): Likewise.
10376 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10378 * alias.c (nonlocal_reference_p): Add static prototype.
10380 * bitmap.c (bitmap_element_allocate): Prototype args in function
10383 * builtins.c (stabilize_va_list): Add static prototype.
10384 (expand_builtin_va_arg): Constify a char*.
10386 * c-lex.c (getch, put_back, extend_token_buffer_to,
10387 read_line_number, token_getch, token_put_back): Add static
10390 * c-parse.gperf (hash, is_reserved_word): Likewise.
10392 * cccp.c (is_dir_separator): Likewise.
10394 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10396 * graph.h: New file to prototype functions exported by graph.c.
10398 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
10400 * graph.c: Include graph.h.
10402 * toplev.c: Likewise. Remove redundant prototypes.
10404 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
10406 * invoke.texi: Removed duplicated description for -Q.
10408 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
10410 * extend.texi: Grammar fix in __extension__ text.
10412 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
10414 * md.texi (define_peephole2): New section.
10416 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
10418 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
10419 (mov $-1 to or peepholer): Enable for pentium when optimizing for
10422 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10424 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10426 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10428 * i386.md (ffs expander): Emit Pentium friendly code for
10431 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10433 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10435 (build1): Likewise.
10437 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10439 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10441 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10443 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10444 register is in use.
10446 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10448 * md.texi (No Constraints): Delete section.
10449 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10450 * final.c (final_scan_insn): We always have register constraints.
10451 * genattrtab.c: Don't include "insn-config.h".
10452 (write_attr_case): We always have register constraints.
10453 * genconfig.c (register_constraint_flag): Delete.
10454 (walk_insn_part): Don't check whether we have register constraints.
10455 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10456 * genoutput.c (have_constraints): Delete.
10457 (main): Don't set it.
10458 (output_operand_data): We always have constraints.
10459 (scan_operands): Likewise.
10460 (compare_operands): Likewise.
10461 * local-alloc.c (block_alloc): We always have constraints.
10462 (requires_inout): Always compile this function.
10463 * recog.c (extract_insn): We always have constraints.
10464 (constrain_operands, reg_fits_class_p): Always compile these
10466 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10468 (struct insn_operand_data): Likewise.
10469 * regclass.c (regclass): We always have constraints.
10470 (record_reg_classes, copy_cost, record_address_regs,
10471 auto_inc_dec_reg_p): Always compile these functions.
10472 * regmove.c (regmove_optimize): We always have constraints.
10473 * reload.c (find_reloads): Likewise.
10474 * reload1.c (reload): Likewise.
10475 (reload_cse_simplify_operands): Likewise.
10476 * i860.c (output_delay_insn): Likewise.
10478 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10480 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10482 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10484 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10485 for the va_list record.
10487 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10489 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10492 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10494 * alias.c: Include insn-flags.h.
10495 * Makefile.in (alias.o): Update.
10497 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10499 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10500 to LTU and GEU. Handle more cases using sbb.
10502 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10504 * i386.md (truncatexfdf splitters): Do not use subreg.
10505 (fop XFmode patterns): Fix mode in operand testing.
10507 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10509 * jump.c (jump_optimize_1): Amend last change to test only the
10510 form of the operand, not the insn.
10512 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10513 not register_operand to determine when B may need preloading.
10515 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10517 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10518 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10519 (call-value patterns): Move to end of file.
10520 (*): Remove mode from label_ref in (pc) context.
10521 (movstrqi): Use memory not general_operand for BLKmode operands.
10522 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10523 to register_operand operands.
10524 (peep2 patterns): Convert from commented-out peephole patterns.
10526 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10528 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10529 to BUILT_IN_INIT_DWARF_REG_SIZES.
10530 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10531 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10532 expand_builtin_init_dwarf_reg_sizes.
10533 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10534 with __builtin_init_dwarf_reg_size_table.
10535 * dwarf2out.c (struct reg_size_range): Delete.
10536 (expand_builtin_init_dwarf_reg_sizes): New function.
10537 (expand_builtin_dwarf_reg_size): Delete.
10538 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10539 (expand_builtin_dwarf_reg_size): Don't declare.
10540 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10541 (dwarf_reg_size_table): New.
10542 (init_reg_size_table): New function.
10543 (copy_reg): Use dwarf_reg_size_table.
10544 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10547 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10549 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10550 Correctly build argument list to constructor and destructor functions.
10552 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10554 * c-tree.h (warn_float_equal): Declare.
10555 * c-decl.c (warn_float_equal): Define.
10556 (c_decode_option): Recognize -W[no-]float-equal.
10557 * c-typeck.c (build_binary_op): Conditionally warn
10558 about equality tests of floating point types.
10559 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10560 * invoke.texi: Add docs for -Wfloat-equal warning.
10562 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10564 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10565 generating RTL directly.
10566 * mips.h (INIT_TARGET_OPTABS): Likewise.
10567 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10569 * expr.h (init_mov_optab): Delete declaration
10571 * h8300.c (WORD_REG_USED): Update to avoid useless register
10572 saves in interrupt functions and functions which never return.
10574 * cse.c (struct set): Delete inner_dest_loc field.
10575 (cse_insn): Remove assignments to inner_dest_loc field.
10577 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10579 * ggc-page.c: Don't include <unistd.h> etc taken care of
10580 by "system.h". Include <sys/mman.h> afterward.
10582 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10584 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10587 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10589 * xcoffout.c (xcoffout_declare_function): Add documentation.
10590 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10591 TARGET_64BIT. Compare constant to -1, not bit pattern.
10592 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10593 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10596 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10598 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10599 origin_die is NULL.
10600 (gen_inlined_enumeration_type_die): Do not abort if the type has
10601 not been writeen out.
10602 (gen_inlined_structure_type_die): Do not abort if the type has
10603 not been writeen out.
10604 (gen_inlined_union_type_die): Do not abort if the type has
10605 not been writeen out.
10606 (gen_tagged_type_instantiation_die): Do not abort if the type
10607 has not been written out.
10609 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10611 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10613 * reg-stack.c (straighten_stack): Copy hard reg set with
10616 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10618 * builtins.c (stabilize_va_list): Stabilize array type va_list
10619 to a pointer type, not the base record type.
10620 (expand_builtin_va_copy): Dereference the pointers explicitly;
10621 use the correct size for the copy.
10623 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10624 (rs6000_va_arg): Likewise.
10626 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10628 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10630 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10632 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10634 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10636 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10638 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10639 (init_ggc): Use it instead of a constant.
10640 (ggc_collect): Bound allocated_last_gc by it.
10642 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10644 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10647 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10649 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10650 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10651 * configure: Regen.
10652 * config/mips/openbsd.h: New, OpenBSD little endian target.
10653 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10654 * config/mips/xm-openbsd.h: New, OpenBSD host.
10656 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10658 * config/m68k/m68k.c (output_function_prologue,
10659 output_function_epilogue): Use
10660 current_function_uses_pic_offset_table instead of regs_ever_live
10661 to decide whether to save/restore pic register.
10662 (legitimize_pic_address): Don't modify regs_ever_live any more.
10664 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10666 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10667 * stor-layout.c (variable_size): Don't add sizes to the pending
10668 sizes list if x_dont_save_pending_sizes_p is set.
10670 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10672 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10673 for symbolic_operand().
10674 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10676 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10678 * combine.c (gen_rtx_combine): Add missing call to va_end().
10680 * final.c (asm_fprintf): Likewise.
10682 * genattrtab.c (attr_rtx): Likewise.
10684 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10686 * cse.c: Update comments.
10687 (cse_insn): When converting a conditional/computed jump into
10688 an unconditional jump, always make sure a BARRIER immediately
10689 follows the converted jump. Do not delete unreachable code.
10690 (cse_basic_block): Do not delete unreachable code.
10691 * toplev.c (rest_of_compilation): Move call to
10692 delete_trivially_dead_insns after the conditional call to
10695 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10697 * collect2.c (make_temp_file): Don't prototype.
10699 * gcc.c (make_temp_file): Likewise.
10701 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10703 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10705 * varasm.c (asm_emit_uninitialised): New function: Generate
10706 the assembler statements necessary to declare an uninitialised
10708 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10710 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10711 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10713 (assemble_variable): Use asm_emit_uninitialised to emit an
10714 uninitialised variable.
10716 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10718 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10719 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10720 <geoffk@cygnus.com>.
10722 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10724 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10725 * c-common.h (builtin_function): Don't declare.
10727 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10729 (pushdecl): Likewise.
10730 (finish_decl): Likewise.
10731 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10732 int. All callers changed.
10733 Set the builtin's DECL_BUILT_IN_CLASS.
10734 * tree.h (enum built_in_class): New.
10735 (enum built_in_function): Delete NOT_BUILT_IN.
10736 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10738 (DECL_SET_FUNCTION_CODE): Likewise.
10739 (DECL_BUILT_IN_CLASS): New macro.
10740 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10741 (struct tree_decl): Split builtin function code field into a
10743 (builtin_function): Declare.
10745 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10747 * optabs.c (init_traps): Fix typo in last change.
10749 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10751 * toplev.c (rest_of_decl_compilation): Update comment.
10753 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10755 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10756 in .sbss if appropriate.
10757 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10758 (SBSS_SECTION_ASM_OP): New macro.
10759 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10760 (EXTRA_SECTIONS): Add in_sbss.
10761 * config/mips/mips.h: Prototype sbss_section.
10763 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10765 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10768 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10770 * optabs.c (init_traps): Register trap_rtx as a GC root.
10772 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10774 * config/mips/mips.c (function_arg_pass_by_reference): Define
10775 unconditionally, since it's called unconditionally.
10777 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10779 * toplev.c (documented_lang_options): Add -fshort-wchar.
10780 * c-decl.c (c_decode_option): Likewise.
10781 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10783 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10784 * gcc.c (default_compilers): If -fshort-wchar,
10785 override __WCHAR_TYPE__.
10786 * tm.texi (C Dialect Options): Add -fshort-wchar.
10788 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10789 symbol for a variable.
10791 * cpplib.h (CPP_PREPROCESSED): New macro.
10792 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10793 we're seeing this input for a second time.
10795 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10797 * emit-rtl.c (init_emit_once): Initialize modes first.
10799 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10801 * config/i386/i386.c (pic_label_name): Change to char pointer.
10802 (global_offset_table): New variable.
10803 (load_pic_register): Fill global_offset_table if it hasn't
10804 already been done. Allocate pic_label_name dynamically.
10805 * ggc.h (empty_string): New variable.
10806 * ggc-simple.c (empty_string): Likewise.
10807 (init_ggc): Allocate empty_string and add as root.
10808 * stmt.c (digit_strings): New variable.
10809 (init_stmt): Add last_block_end_note as root. Allocate and
10810 initialize digit_strings.
10811 (expand_asm_operands): Use empty_string instead of string
10812 constant. Use digit_strings instead of string constants.
10813 * profile.c (init_arc_profiler): Allocate string with
10814 ggc_alloc_string instead of xmalloc.
10815 (output_func_start_profiler): Likewise.
10816 * c-typeck.c (digest_init): Check if init is error_mark_node.
10818 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10819 Richard Henderson <rth@cygnus.com>
10821 * ggc-page.c: New file.
10822 * Makefile.in (ggc-page.o): New.
10824 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10826 * invoke.texi: Document -fdelete-null-pointer-checks
10827 * toplev.c (flag_delete_null_pointer_checks): New.
10828 (f_options): Add entry for -fdelete-null-pointer-checks.
10829 (rest_of_compilation): Conditionalize null pointer check
10830 elimination on flag_delete_null_pointer_checks.
10831 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10833 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10835 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10836 copyright notice and special exception to GPL.
10838 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10840 * abi64.h (mips_function_value): Add prototype arguments.
10842 * mips-protos.h: New file with mips prototypes.
10844 * mips.c: Include "tm_p.h".
10845 (mktemp, lookup_name): Add prototype arguments.
10846 (extern_list, string_constant, mips_fill_delay_slot,
10847 mips_output_external, mips_output_external_libcall,
10848 mips_output_filename, mips_declare_object, function_prologue,
10849 mips_expand_prologue, function_epilogue, mips16_constant,
10850 build_mips16_function_stub, mips_output_conditional_branch):
10852 (mips_va_start): Remove unused variable `u'.
10853 (mips_va_arg): Cast value to unsigned when comparing against one.
10855 (save_restore_insns, mips_expand_prologue): Add missing arg in
10856 call to `large_int'.
10858 * mips.h: Move prototypes to mips-protos.h.
10859 (data_section, memory_address_p, rdata_section,
10860 readonly_data_section, simple_epilogue_p, text_section): Delete
10861 prototypes delcared elsewhere.
10862 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10864 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10866 * mips.md: Delete extra args in call to `mips_move_2words'.
10868 * xm-iris6.h (alloca): Add prototype argument.
10870 * genpeep.c: Include "tm_p.h" in generated output file.
10872 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10874 * basic-block.h (find_edge_index): Change parameters.
10875 * flow.c (verify_edge_list): Pass basic_block parameters to
10876 find_edge_index instead of integers.
10878 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10880 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10883 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10885 * gcc.1: Fix a formatting error.
10887 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10889 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10890 i786, mn10200, mn10300, pdp11, v850.
10892 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10894 * libgcc2.c (num_digits): Add prototype with
10895 __attribute__((const)).
10896 (__terminate): Add prototype.
10898 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10900 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10902 * alpha/alpha.c (print_operand): Fix type of `code'.
10903 (alpha_output_filename): Constify.
10904 * alpha/alpha.h: Move all function declarations ...
10905 * alpha/alpha-protos.h: ... here. New file.
10906 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10907 (SECTION_FUNCTION_TEMPLATE): Likewise.
10909 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10911 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10912 * expr.c (expand_expr): Likewise.
10913 (do_jump): Likewise.
10914 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10915 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10917 (enum can_compare_purpose): New.
10918 (can_compare_p): Adjust prototype.
10919 (prepare_cmp_insn, prepare_operand): Declare.
10920 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10921 * optabs.c (cmp_available_p): Deleted.
10922 (expand_abs): Pass ccp_jump to can_compare_p.
10923 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10924 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10925 Call can_compare_p rather than cmp_available_p.
10926 (prepare_operand): No longer static.
10927 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10928 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10929 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10930 sequence to use emit_cmp_and_jump_insns.
10931 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10933 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10935 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10936 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10937 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10938 (plus (reg) (const_int 0))
10939 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10941 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10943 * rs6000.c (expand_block_move): DImode loads and stores require
10944 word-aligned displacements. Increment address registers with
10945 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10947 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10949 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10950 is no name for the base type, rather than segfault. If we are
10951 writing out a complex integer type, use DW_ATE_lo_user.
10953 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10954 in one word or less (complex char, complex short, or on 64 bit
10955 systems complex float) to/from a hard register, copy it through
10956 memory instead of dying in gen_{real,imag}part. If we have a
10957 short complex type, prevent inlining since it allocates stack
10960 * tree.c (build_complex_type): If we are writing dwarf2 output,
10961 generate a name for complex integer types.
10963 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10965 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10966 * flow.c (remove_edge): Remove extra whitespace.
10967 (remove_fake_edges): Fix comment.
10968 (add_noreturn_fake_exit_edges): Use the correct name.
10970 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10972 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10973 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10974 (clean): Depend on INTL_CLEAN.
10975 (maintainer-clean): Adjust.
10977 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10979 * configure.in (AC_PREREQ): Bump to 2.13.
10980 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10982 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10984 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10986 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10988 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10989 (HAVE_STRINGIZE): Define.
10991 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10993 * c-parse.in: save and restore warn_pointer_arith on __extension__
10994 along with pedantic.
10995 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10996 Set the type of extension to itype rather than $<itype>1 kludge.
10997 * extend.texi (Alternate Keywords): Adjust documentation.
10998 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
11000 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
11002 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
11003 most assembler templates.
11005 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
11006 FP loads and stores.
11007 (following_call): Always return zero for the PA8000.
11008 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
11009 FP loads and stores.
11010 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
11012 * pa.h (BRANCH_COST): Define.
11014 * pa.md (return, return_internal): Use bve for PA2.0.
11016 * pa.md (fused multiply): Add variants which reduce height for the
11017 fused multiply, but which still generate 2 insns.
11018 (fnegabs): Similarly.
11020 * pa.md (subsi3): Turn into an expander. Create two anonymous
11021 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
11022 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
11024 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
11026 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
11028 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
11029 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
11031 * regclass.c (init_regs): Add "top_of_stack" as a garbage
11034 * flow.c (record_active_eh_regions): Terminate loop after finding
11035 the last insn in the last basic block.
11037 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11039 * config/c4x/c4x.md: Delete parallel instruction peepholes.
11041 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11043 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
11045 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11047 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
11048 splitting to not use output template.
11050 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11052 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
11053 * config/c4x/c4x.c (c4x_va_start): New function.
11055 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
11057 * genrecog.c (not_both_true): Handle correctly cases when called for
11058 tests with different positions in the insn.
11060 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11062 * machmode.h (HOST_PTR_PRINTF): Move from here ...
11064 * system.h (HOST_PTR_PRINTF): ... to here.
11066 * mips-tfile.c: Don't include machmode.h.
11068 * Makefile.in (MACHMODE_H): New variable. Update to use it.
11069 (mips-tfile.o): Don't depend on machmode.h.
11071 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11073 * haifa-sched.c (sched_analyze): Rename local variable `region' to
11074 avoid conflicts with typedef struct `region' at the top level scope.
11076 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
11078 * basic-block.h (basic_block): Add eh_beg, eh_end.
11079 * flow.c (entry_exit_blocks): Update.
11080 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
11081 Call new functions.
11082 (find_basic_blocks_1): Don't record eh_list at each bb. Use
11083 lists.c functions to allocate insn lists.
11084 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
11086 (make_eh_edge): ... here. New.
11087 (move_stray_eh_region_notes): New.
11088 (record_active_eh_regions): New.
11089 (delete_unreachable_blocks): Split out block merging ...
11090 (try_merge_blocks): ... here. New.
11091 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
11092 Dump debugging data.
11093 (merge_blocks_move_successor_nojumps): Likewise.
11094 (merge_blocks): Use eh_beg+eh_end to validate block movement.
11096 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11098 * extend.texi (Bound member functions): Document unbound pmf
11101 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11103 * flow.c (split_edge): Handle insertion on a fallthrough edge which
11104 has the EXIT_BLOCK as a dest.
11106 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11108 * flow.c (remove_edge): New function to remove an edge from the
11110 (remove_fake_successors): New function to remove fake successor edges.
11111 (remove_fake_edges): New function to remove all fake edges from the
11113 (add_fake_exit_edges): New function to add fake edges from all blocks
11114 with no successors to the exit block.
11115 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
11116 prototypes for new functions.
11118 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11120 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
11121 Use Pmode to determine whether to output .dword or .word.
11123 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
11125 * tree.c (built_in_filename): New variable.
11126 (BUILT_IN_FILENAME): New macro.
11127 (init_tree_codes): Allocate built_in_filename.
11128 (make_node): Use built_in_filename instead of string constant.
11130 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
11132 * configure.in: Add fr30 target.
11133 * configure: Regenerate.
11134 * config/fr30: New directory.
11135 * config/fr30/crti.asm: New file.
11136 * config/fr30/fr30.c: New file.
11137 * config/fr30/crtn.asm: New file.
11138 * config/fr30/fr30.h: New file.
11139 * config/fr30/fr30.md: New file.
11140 * config/fr30/lib1funcs.asm: New file.
11141 * config/fr30/t-fr30: New file.
11142 * config/fr30/xm-fr30.h: New file.
11144 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
11146 * flow.c (merge_blocks_move_successor_nojumps): Delete the
11147 BARRIER at the end of the successor, not the BARRIER before
11150 * pa.c (pa_add_gc_roots): Fix thinko in last change.
11152 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
11154 * stmt.c (any_pending_cleanups): Don't crash when
11155 current_function->stmt is unset.
11157 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11159 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
11160 other initializations that may use it for relative offsets.
11162 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11164 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
11165 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
11166 * config/i386/sol2dbg.h: Removed.
11167 * config/i386/sol2gas.h: New file, to enable gas work-around.
11168 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
11169 Don't use sol2dbg.h.
11170 * configure: Rebuilt.
11172 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
11174 * invoke.texi (-fthis-is-variable): Remove documentation.
11176 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
11178 * basic-block.h (compute_bb_for_insn): Declare.
11179 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
11180 to use; set size of basic_block_for_insn directly.
11181 (find_basic_blocks): Update.
11183 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11185 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
11187 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11189 * crtstuff.c (ON_EXIT): Delete empty macro definition.
11190 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
11192 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
11194 * c-decl.c (c_decode_option): Extend comment.
11196 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
11198 * toplev.c (progname): Make 'const char *'
11199 (flag_print_mem): Move out of main.
11200 (version_flag): Move out of main.
11201 (filename): Move out of main.
11202 (debug_args): Remove g prefix from options.
11203 (documented_lang_options): Remove cpplib specific options.
11204 (display_help): Add g prefix to debug options.
11205 (check_lang_option): Delete this function.
11206 (decode_d_option): New function: Decode -d... option.
11207 (decode_f_option): New function: Decode -f... option.
11208 (decode_W_option): New function: Decode -W... option.
11209 (decode_g_option): New function: Decode -g... option.
11210 (independent_decode_option): New function: Decode a language
11211 independent command line option.
11212 (main): Invoke lang_decode_option and then
11213 independent_decode_option on each command line option in
11216 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
11218 Revert this change. Gavin's patch to operand_equal_p is a better fix.
11219 * fold-const.c (fold_range_test): Do not try to fold the range
11220 test if the rhs or lhs has side effects.
11222 * basic-block.h (compute_flow_dominators): Declare.
11224 * gcse.c (alloc_code_hoist_mem): New function.
11225 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
11226 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
11227 (hoist_code, one_code_hoisting_pass): Likewise.
11228 (gcse_main): If optimizing for size, then hoist expressions
11229 computed in multiple dominated basic blocks.
11231 * gcse.c (invalid_nonnull_info): New function.
11232 (delete_null_pointer_checks): Likewise.
11233 * rtl.h (delete_null_pointer_checks): Declare.
11234 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
11236 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
11237 (merge-blocks_move_successor_nojumps): Likewise.
11238 (merge_blocks): Allow merging of some blocks, even if it requires
11239 physical movement of the blocks, but not if it requires new jumps.
11241 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
11242 Callers and prototype changed.
11243 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
11245 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11247 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
11248 -YP when both -p and -pg are present. From i386/sol2.h.
11250 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11252 * Makefile.in (distclean): Delete tm_p.h.
11253 * configure.in: Create a new file, "tm_p.h", from a list in
11254 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
11255 "i386/i386-protos.h".
11257 * alias.c: Include "tm_p.h".
11258 * c-typeck.c: Likewise.
11259 * calls.c: Likewise.
11261 * emit-rtl.c: Likewise.
11262 * explow.c: Likewise.
11263 * expmed.c: Likewise.
11264 * expr.c: Likewise.
11265 * final.c: Likewise.
11266 * flow.c: Likewise.
11267 * fold-const.c: Likewise.
11268 * function.c: Likewise.
11269 * gcse.c: Likewise.
11270 * global.c: Likewise.
11271 * haifa-sched.c: Likewise.
11272 * integrate.c: Likewise.
11273 * jump.c: Likewise.
11274 * local-alloc.c: Likewise.
11275 * loop.c: Likewise.
11276 * optabs.c: Likewise.
11277 * recog.c: Likewise.
11278 * reg-stack.c: Likewise.
11279 * regclass.c: Likewise.
11280 * regmove.c: Likewise.
11281 * reload.c: Likewise.
11282 * reload1.c: Likewise.
11283 * reorg.c: Likewise.
11284 * resource.c: Likewise.
11285 * stmt.c: Likewise.
11286 * stor-layout.c: Likewise.
11287 * toplev.c: Likewise.
11288 * tree.c: Likewise.
11289 * unroll.c: Likewise.
11290 * genattrtab.c (main): Make generated file include "tm_p.h".
11291 * genemit.c (main): Likewise.
11292 * genoutput.c (main): Likewise.
11293 * genrecog.c (main): Likewise.
11295 * i386.h: Delete all prototypes.
11296 * i386.c: Include "tm_p.h".
11297 (ix86_attr_length_default): Call constant_call_address_operand
11298 with correct number of arguments.
11299 * i386-protos.h: New file.
11300 * i386.md (unnamed patterns): Call constant_call_address_operand
11301 with correct number of arguments.
11302 (exception_receiver): Call load_pic_register with correct number
11305 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
11307 * c-pragma.c (mark_align_stack): Dereference the void* properly.
11309 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
11311 * rtl.h (insns_safe_to_move_p): New function.
11312 * loop.c (find_and_verify_loops): Use it.
11313 * rtlanal.c (insns_safe_to_move_p): Define it.
11315 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
11317 * c-pragma.c: Include ggc.h.
11318 * Makefile.in (c-pragma.o): Update.
11320 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11322 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
11323 (LIB_SPEC): Likewise.
11324 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
11325 Reindent -YP/-p/-pg.
11326 Copied from config/sparc/sol2.h.
11328 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
11330 * c-pragma.c (mark_align_stack): New.
11331 (init_pragma): New.
11332 * c-pragma.h (init_pragma): Declare it.
11333 * c-lex.c (init_parse): Call it.
11335 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11337 * configure.in: Pick up thread library on Solaris/x86 just
11338 like on Solaris/sparc.
11339 * configure: Rebuilt.
11341 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
11343 * rtl.h (global_rtx_index): New enum.
11344 (global_rtl): Change to array of rtx.
11345 (pc_rtx, cc0_rtx): Redefine accordingly.
11346 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
11347 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
11348 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
11349 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
11350 (const_int_rtx): Change to array of rtx.
11351 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
11353 * emit-rtl.c (global_rtl): Change to array of rtx.
11354 (const_int_rtx): Change to aray of rtx.
11355 (gen_rtx_CONST_INT): Redefine accordingly.
11356 (init_emit_once): Allocate and initialize global_rtl. Likewise
11357 for const_int_rtx. Add both as GC roots.
11358 * genattrtab.c (global_rtl): Update declaration.
11360 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
11362 * Makefile (USER_H): Add iso646.h back.
11364 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
11366 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
11367 zapping the LOG_LINKS of sched_before_next_call.
11369 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
11370 * pa.c (insn_refs_are_delayed): Renamed from
11371 insn_sets_and_refs_are_delayed.
11373 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
11375 * functiion.h (struct function): Add x_whole_function_mode_p.
11376 (retrofit_block): Declare.
11377 * function.c (retrofit_block): New function.
11378 (identify_blocks): Add assertions. Allow an incomplete set of
11379 block notes if we're still generating code for the function.
11380 * integrate.c: Include loop.h.
11381 (expand_inline_function): Call find_loop_tree_blocks to map block
11382 notes to blocks when in whole-function mode. Use retrofit_block
11383 to insert new BLOCKs for the inlined function, rather than
11385 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
11386 * Makefile.in (integrate.o): Depend on loop.h.
11388 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
11390 * tree.h (warn_about_unused_variables): Declare.
11391 * stmt.c (warn_about_unused_variables): New function, split out
11393 (expand_end_bindings): Here.
11395 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
11397 * stmt.c (preserve_subexpressions_p): Don't crash when
11398 current_function->stmt is unset.
11400 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
11402 * stmt.c (expand_start_bindings): Allow callers to pass a flag
11403 indicating that no NOTE_INSN_BLOCK_BEG note is required.
11404 (expand_start_target_temps): Use it.
11405 * except.c (expand_eh_region_start_for_decl): Likewise.
11406 * expr.c (expand_expr): Likewise.
11408 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11410 * fold-const.c (operand_equal_p): Pay attention to side effects.
11412 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11414 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
11415 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
11417 * tlink.c (scan_linker_output): Look for keywords before accepting
11418 a mangled name in quotes.
11420 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
11422 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
11423 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11425 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11427 * alpha.md: Revert Thu Nov 26 change that came in through the
11428 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11429 Avoid earlyclobber when possible.
11431 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11433 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11435 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11436 Define HAVE_ON_EXIT.
11438 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11440 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11441 CTYPE_CONV in all ctype macros.
11443 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11446 * cexp.y (initialize_random_junk): Likewise.
11448 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11450 * i370.c (handle_pragma): Likewise.
11452 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11454 * v850.c (override_options): Likewise.
11456 * doprint.c (_doprnt): Likewise.
11458 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11461 * fixinc/server.c (load_data): Likewise.
11463 * fold-const.c (real_hex_to_f): Likewise.
11465 * genattr.c (write_upcase, gen_attr): Likewise.
11467 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11468 write_upcase): Likewise.
11470 * genemit.c (print_code): Likewise.
11472 * genopinit.c (gen_insn): Likewise.
11474 * genpeep.c (print_code): Likewise.
11476 * genrecog.c (print_code): Likewise.
11478 * optabs.c (init_libfuncs): Likewise.
11480 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11482 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11484 (reemit_notes): Likewise.
11486 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11488 * ggc.h (ggc_root): Move to ggc-common.c.
11490 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11491 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11492 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11493 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11494 * ggc-common.c (ggc_root): Move from ggc.h.
11495 (roots): Declare, static.
11496 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11497 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11498 null or check/set mark bit.
11499 (ggc_mark_roots): New.
11500 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11502 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11504 * m32r.c: Include toplev.h.
11505 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11506 (gen_compare): Rename swap_p to must_swap to match uses.
11507 Add default abort case.
11508 (m32r_output_function_epilogue): Remove unused variables.
11509 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11510 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11511 define to empty parameter list. Update all uses.
11512 (predicate decls): Use enum machine_mode not int.
11513 * m32r.md (movsi): Call abort, not fatal_insn.
11514 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11516 1999-09-14 Andrew Haley <aph@cygnus.com>
11518 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11519 use $0 instead of 0.
11521 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11523 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11524 computation out of loop over hard regs.
11526 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11528 * function.c (identify_blocks): Don't shadow a variable in an
11530 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11531 pushdecl, or poplevel to build up the new BLOCK tree.
11532 (expand_inline_function): Likewise.
11533 (integrate_parm_decls): Likewise.
11535 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11537 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11539 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11541 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11542 * invoke.texi: Document this change.
11544 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11546 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11548 (mark_emit_status): Renamed from mark_emit_state.
11549 * except.c (mark_eh_status): Renamed from mark_eh_state.
11550 Check not null before marking.
11551 (free_eh_status): New.
11552 * expr.c (mark_expr_status, free_expr_status): New.
11553 * function.c (free_machine_status): New.
11554 (free_after_parsing): New.
11555 (free_after_compilation): Move bits to free_after_parsing; call
11556 free_eh_status, free_expr_status; zero the marked members of the
11558 (prepare_function_start): No can_garbage_collect.
11559 Call init_eh_for_function.
11560 (expand_dummy_function_end): Free up current_function state.
11561 (mark_function_status): Renamed from mark_function_state.
11562 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11563 * function.h (struct function): No can_garbage_collect.
11564 (free_machine_status, free_after_parsing): Declare.
11565 (free_eh_status, free_expr_status): Declare.
11566 * ggc.h (mark_expr_status): Declare.
11567 * stmt.c (free_stmt_status): Free the struct.
11568 (mark_stmt_status): Renamed from mark_stmt_state.
11569 (init_stmt): Don't call init_eh.
11570 (init_stmt_for_function): Don't call init_eh_for_function.
11571 * toplev.c (compile_file): Call init_eh.
11572 (rest_of_compilation): Free basic block info before ggc_collect.
11573 Call free_after_parsing; conditionally call free_after_compilation.
11574 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11575 Check not null before marking.
11576 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11578 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11580 * c-lex.c (yylex): Initialize warn.
11582 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11584 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11585 register when performing secondary reloads for the SAR register.
11587 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11589 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11590 (NOTE_BLOCK): New macro.
11591 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11592 * function.h (identify_blocks): Change prototype.
11593 * function.c (identify_blocks): Simplify.
11594 (reorder_blocks): Likewise.
11595 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11596 NOTE_INSN_BLOCK_{BEG,END}.
11597 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11598 the list of saved notes if the note isn't a
11599 NOTE_INSN_BLOCK_{BEG,END}.
11600 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11602 (reemit_notes): Adjust recreation of notes to reflect new saved
11604 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11605 printing a block note.
11606 * stmt.c (block_vector): Remove.
11607 (find_loop_tree_blocks): Simplify.
11608 (unroll_block_trees): Likewise.
11609 * tree.h (reorder_block): Change prototype.
11611 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11613 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11614 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11615 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11616 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11617 (atexit, exit): Simplify.
11618 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11619 * config/lots: Remove defns of HAVE_ATEXIT.
11621 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11623 * calls.c (precompute_arguments): Fix typo in comment.
11624 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11627 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11629 * dsp16xx.c (override_options): Fix typos in GC root registration.
11631 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11633 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11634 from config/svr4.h.
11635 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11636 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11637 (CC1_SPEC): Likewise.
11639 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11641 * genattr.c (main): Add extern prototype. Call return, not exit.
11642 * genattrtab.c (main): Likewise.
11643 * gencheck.c (main): Likewise.
11644 * gencodes.c (main): Likewise.
11645 * genconfig.c (main): Likewise.
11646 * genemit.c (main): Likewise.
11647 * genextract.c (main): Likewise.
11648 * genflags.c (main): Likewise.
11649 * gengenrtl.c (main): Likewise.
11650 * genopinit.c (main): Likewise.
11651 * genoutput.c (main): Likewise.
11652 * genpeep.c (main): Likewise.
11653 * genrecog.c (main): Likewise.
11655 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11656 * genattrtab.c (get_insn_name): Likewise.
11657 * gencodes.c (get_insn_name): Likewise.
11658 * genconfig.c (get_insn_name): Likewise.
11659 * genemit.c (get_insn_name): Likewise.
11660 * genextract.c (get_insn_name): Likewise.
11661 * genflags.c (get_insn_name): Likewise.
11662 * genopinit.c (get_insn_name): Likewise.
11663 * genpeep.c (get_insn_name): Likewise.
11665 * gencheck.c (usage): Add static prototype.
11666 * genextract.c (print_path): Constify a char*.
11667 * genopinit.c (optabs): Likewise.
11668 * genoutput.c (operand_data, data, output_predicate_decls,
11669 compare_operands): Likewise.
11670 * genrecog.c (write_tree): Add default case in switch.
11672 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11674 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11676 * print-rtl.c (get_insn_name): Remove prototype.
11678 * toplev.h (progname): Declare const.
11680 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11681 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11682 dump_sched_info, dump_local_alloc, regset_release_memory,
11683 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11684 error_with_file_and_line, error_with_decl, error_for_asm, error,
11685 fatal, warning_with_file_and_line, warning_with_decl, warning,
11686 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11687 Remove redundant prototypes.
11689 (notice, check_lang_option, report_file_and_line, vnotice,
11690 mark_file_stack): Add static prototype.
11691 (set_fatal_function): Add prototype.
11692 (vnotice, report_file_and_line, set_fatal_function,
11693 check_lang_option): Constify a char*.
11694 (main): Prototype. Call return, not exit.
11696 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11698 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11700 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11702 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11704 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11706 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11708 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11709 behave as if it's zero in all cases.
11710 (expand_function_start): Adjust call to assign_parms.
11711 * tree.h (assign_parms): Adjust prototype.
11712 * objc/objc-act.c (hack_method_prototype): Adjust call to
11715 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11717 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11718 arg_pointer_rtx fixed if the argument pointer register is
11720 (NONZERO_BASE_PLUS_P): Likewise.
11722 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11724 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11725 match_insn2 to match_insn.
11726 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11728 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11730 * Makefile.in (USER_H): Remove va-foo.h.
11732 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11733 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11734 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11735 va-spur.h,va-v850.h}: Remove.
11737 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11739 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11740 (in_return_delay): Use it instead of match_insn.
11742 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11744 * config/alpha/va_list.h (va-alpha.h): Do not include.
11745 (__gnuc_va_list): Typedef as in varargs.h.
11747 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11749 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11750 DECL_LIVE_RANGE_RTL.
11752 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11754 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11755 not NOTE_BLOCK_NUMBER.
11756 (expand_eh_region_end): Likewise.
11757 (find_exception_handler_labels): Likewise.
11758 (scan_region): Likewise.
11759 (exception_optimize): Likewise.
11760 (update_rethrow_references): Likewise.
11761 (set_insn_eh_region): Likewise.
11762 * final.c (final_scan_insn): Likewise.
11763 * flow.c (make_edges): Likewise.
11764 * integrate.c (expand_inline_function): Likewise.
11765 * print-rtl.c (print_rtx): Likewise.
11767 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11769 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11770 terms of builtin functions and types.
11772 * mips.c (mips_build_va_list): New.
11773 (mips_va_start, mips_va_arg): New.
11774 * mips.h (BUILD_VA_LIST_TYPE): New.
11775 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11777 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11778 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11779 * sh.h (BUILD_VA_LIST_TYPE): New.
11780 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11782 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11784 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11785 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11786 (struct insn_data): Likewise with n_operands, n_dups,
11787 n_alternatives, output_format.
11788 * regclass.c (scan_one_insn): Cast n_operands to int before
11789 arithmetic inside comparison.
11791 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11793 * toplev.c (compile_function): Unconditionally emit nop.
11795 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11797 * haifa-sched.c (actual_hazard): Move declaration of variable
11798 `this_cost' into the scope where it is used.
11800 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11802 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11803 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11804 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11806 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11808 * jump.c (find_insert_position): Don't declare or define unless
11809 !HAVE_conditional_arithmetic.
11810 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11812 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11814 * recog.c (offsettable_address_p): Prototype function pointer.
11815 (preprocess_constraints): Call memset, not bzero.
11817 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11818 (gcc_obstack_init): Don't declare.
11819 (fix_sizetype): Add static prototype.
11820 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11821 (tree_cons): Call memset, not bzero.
11823 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11824 definition in macro ASM_WEAKEN_LABEL.
11825 (mark_const_hash_entry): Add static prototype.
11827 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11829 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11831 * unroll.c (find_common_reg_term, subtract_reg_term,
11832 loop_find_equiv_value): Add static prototypes.
11833 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11834 (copy_loop_body): Remove unreachable break statement.
11836 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11838 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11840 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11842 Undo some changes from the gcc2 merge:
11843 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11844 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11848 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11849 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11850 initialized float-int union if the value is a NaN.
11852 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11854 * gthr-win32.h: New file.
11856 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11857 shared as a valid attribute.
11858 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11859 * extend.texi: Document `shared' variable attribute.
11861 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11863 * configure.in: Handle --enable-threads on FreeBSD.
11864 * configure: Rebuit.
11866 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11868 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11870 * configure: Rebuilt.
11872 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11873 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11874 Rosimildo DaSilva <rdasilva@connecttel.com>
11876 * configure.in (m68k-*-rtemscoff*): Added.
11877 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11878 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11879 sparc-rtems configuration.
11880 * configure.in (sparc-*-rtemself*): Added.
11881 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11882 * config/i386/rtems.h: Added comment.
11883 * config/sparc/rtemself.h: New file.
11885 * configure.in (m68k-rtemself): Added.
11886 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11887 and DWARF_DEBUGGING_INFO.
11888 * config/m68k/crti.s: New file.
11889 * config/m68k/crtn.s: New file.
11890 * config/m68k/t-crtstuff: New file.
11891 * config/m68k/rtemself.h: New file.
11893 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11894 global ctor/dtor and C++ exception handling.
11895 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11896 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11898 * config/i386/t-rtems-i386: New File.
11900 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11902 * stmt.c (expand_end_case): Return right away if the case stack is
11905 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11907 * Makefile.in (version.c): Remove rule incorrectly brought in from
11910 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11912 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11913 * msdos/top.sed: Take into account a prepended $(SHELL) to
11915 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11917 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11919 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11921 * regmove.c (fixup_match_1): Don't change an unchanging register.
11922 (stable_but_for_p): Renamed to:
11923 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11924 Changed all callers.
11926 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11928 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11929 insn from BL2 is after the insn from BL.
11931 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11933 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11934 (struct insn_data): Merge `template' and `outfun' into `output'.
11935 Add `output_format'.
11936 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11937 (struct data): Remove `outfun'; add `output_format'.
11938 (name_for_index): Remove declaration.
11939 (output_insn_data): Handle output formats.
11940 (process_template): Emit the bare array for @.
11941 (gen_expand, gen_split): Set output_format to NONE.
11942 * output.h (get_insn_template): Declare.
11943 * final.c (get_insn_template): New.
11944 (final_scan_insn): Use it.
11945 * toplev.c (compile_file): Likewise.
11947 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11948 * i860/i860.c (output_delayed_branch): Likewise.
11949 (output_delay_insn): Likewise.
11951 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11953 * rtl.c (obstack_alloc_rtx): Removed.
11955 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11957 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11959 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11961 * i386.c (call_insn_operand): Reject const_int.
11962 (expander_call_insn_operand): Use call_insn_operand.
11964 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11966 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11968 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11970 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11971 Use DImode operation.
11973 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11975 * gcc.c: Include sys/resource.h.
11976 (report_times): New flag.
11977 (execute): If report_times is set, calculate and report the
11978 CPU time consumed by each subprocess.
11980 (rus, prus): New globals.
11981 (option_map): Add --time.
11982 (display_help): Document -time.
11983 (process_command): Set report_times if -time is given.
11984 Turn off -pipe if -time is given.
11986 * invoke.texi: Document new option -time.
11988 * configure.in: Check for getrusage. Check if we have to
11989 prototype getrusage.
11990 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11991 * configure: Regenerate.
11992 * config.in: Regenerate.
11994 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11996 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11999 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
12001 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
12002 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
12003 (nan): Return _thenan_sf or _thenan_df as appropriate.
12004 (L_thenan_sf): Define _thenan_sf.
12005 (L_thenan_df): Define _thenan_df.
12007 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
12008 (DPBIT_FUNCS): Add _thenan_df.
12010 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
12012 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
12015 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12017 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
12020 (lang_specific_driver): Don't take a function pointer parameter.
12021 All callers changed.
12023 * gcc.c: Include gcc.h.
12024 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
12025 lang_specific_extra_outfiles, fatal): Don't declare.
12026 (multilib_defaults_raw): Constify.
12027 (read_specs): Call memset, rather than bzero.
12028 (main): Call return, not exit.
12029 (lookup_compiler): Call memcpy, not bcopy.
12030 (fatal): Make extern.
12032 * cppspec.c: Include gcc.h.
12033 (lang_specific_driver): Initialize variable `quote'. Constify a
12034 char*. All calls to the function pointer parameter now
12035 explicitly call `fatal'.
12037 * gccspec.c (lang_specific_driver): Include gcc.h.
12039 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
12041 * arm.c (note_invalid_constants): Use recog_data.operand_type
12044 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12046 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
12049 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
12050 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
12051 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
12052 reload_secondary_in_reload, reload_secondary_out_reload,
12053 reload_secondary_in_icode, reload_secondary_out_icode,
12054 reload_reg_rtx, reload_when_needed): Delete declarations.
12055 (struct reload): New structure.
12056 (rld): Declare new array.
12057 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
12058 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
12059 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
12060 reload_secondary_in_reload, reload_secondary_out_reload,
12061 reload_secondary_in_icode, reload_secondary_out_icode,
12062 reload_reg_rtx, reload_when_needed): Delete definitions.
12064 (whole file): Replace uses of the deleted arrays with uses of rld.
12065 * reload1.c (whole file): Replace uses of the deleted arrays with
12067 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
12068 explicit loops, not with bcopy.
12070 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
12072 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
12073 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
12074 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
12075 insn_name): Delete and consolidate into new structures.
12076 (insn_operand_predicate_fn): New.
12077 (insn_output_fn): New.
12078 (insn_gen_fn): New.
12079 (struct insn_operand_data): New.
12080 (struct insn_data): New.
12082 (OUT_FCN): Update for insn_data change.
12083 * builtins.c (expand_builtin_strlen): Likewise.
12084 (expand_builtin_memcmp): Likewise.
12085 * combine.c (make_extraction, simplify_comparison): Likewise.
12086 * cse.c (canon_reg, cse_insn): Likewise.
12087 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
12088 * expmed.c (store_bit_field, extract_bit_field): Likewise.
12089 (emit_store_flag): Likewise.
12090 * expr.c (convert_move, emit_block_move): Likewise.
12091 (clear_storage, emit_push_insn, expand_increment): Likewise.
12092 (do_store_flag): Likewise.
12093 * expr.h (GEN_FCN): Likewise.
12094 (insn_gen_function): Die.
12095 * final.c (final_scan_insn): Update for insn_data change.
12096 (output_asm_name): Likewise.
12097 * function.c (fixup_var_refs_1): Likewise.
12098 * loop.c (check_dbra_loop): Likewise.
12099 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
12100 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
12101 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
12102 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
12103 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
12104 * regmove.c (gen_add3_insn): Likewise.
12105 * reload.c (push_secondary_reload, combine_reloads): Likewise.
12106 (find_reloads, find_reloads_address_1): Likewise.
12107 (debug_reload_to_stream): Likewise.
12108 * reload1.c (emit_reload_insns, gen_reload): Likewise.
12109 * stmt.c (expand_end_case): Likewise.
12110 * toplev.c (compile_file): Likewise.
12112 * c4x/c4x.c (c4x_process_after_reload): Likewise.
12113 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12115 * print-rtl.c (insn_name_ptr): Remove declaration.
12116 (get_insn_name): Declare.
12117 (print_rtx): Use it.
12118 * genoutput.c (insn_name_ptr): Remove.
12119 (next_operand_number): New.
12120 (struct operand_data): New.
12121 (null_operand, odata, odata_end): New.
12122 (struct data): Use struct operand_data.
12123 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
12124 (get_insn_name): Renamed from name_for_index.
12125 (output_prologue): Define NO_MD_PROTOTYPES.
12126 (output_predicate_decls): Break out from output_epilogue.
12127 Iterate over the operands list.
12128 (output_operand_data): Break out from output_epilogue. Emit
12129 just the operands list.
12130 (output_insn_data): Break out from output_epilogue. Emit just
12132 (output_epilogue): Remove.
12133 (output_get_insn_name): New.
12134 (constraints, op_n_alternatives, predicates, address_p): Die.
12135 (modes, strict_low, seen): Die.
12136 (scan_operands): Take new param `d' instead of writing to
12137 seven global variables.
12138 (compare_operands): New.
12139 (place_operands): New.
12140 (validate_insn_alternatives): Update for struct data change.
12141 (gen_insn): Don't zero or copy 7 global arrays. Update for
12142 scan_operands; call place_operands.
12143 (gen_peephole, gen_expand, gen_split): Likewise.
12144 (main): Update for new output routines.
12146 * genattr.c (insn_name_ptr): Remove.
12147 (get_insn_name): New function.
12148 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
12149 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
12150 * genrecog.c: Likewise.
12152 * alpha.md (adddi3): Make `pattern' array static.
12154 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12156 * config/c4x/c4x.h (c4x_rpts_cycles_string,
12157 c4x_cpu_version_string): Constify char *.
12158 * config/c4x/c4x.c (c4x_rpts_cycles_string,
12159 c4x_cpu_version_string): Likewise.
12161 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
12163 * tree.c (save_tree_status): Revert 10 Sep change.
12164 (restore_tree_status): Likewise. Call obstack_free with NULL
12165 before freeing the obstack proper.
12167 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
12169 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
12171 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
12172 surrounding context.
12174 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
12176 * tree.c (type_hash_canon): Put all types in the hash-table, when
12179 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
12181 * recog.h (struct recog_data, recog_data): New.
12182 (recog_foo variables): Kill.
12183 * recog.c (recog_operand, recog_operand_loc): Kill.
12184 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
12185 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
12186 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
12187 (recog_data): Define.
12188 (extract_insn): Update all recog_foo references to use recog_data.
12189 (preprocess_constraints, constrain_operands): Likewise.
12190 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
12191 * genattrtab.c (main): Likewise.
12192 * genextract.c (main): Likewise.
12193 * genoutput.c: Likewise.
12194 * genrecog.c (write_subroutine, main): Likewise.
12195 * local-alloc.c (block_alloc): Likewise.
12196 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
12197 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
12198 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
12199 * reload.c (find_reloads, find_reloads_toplev): Likewise.
12200 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
12201 (reload_cse_simplify_operands): Likewise.
12203 * arc/arc.c (arc_final_prescan_insn): Likewise.
12204 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
12205 * h8300/h8300.c (notice_update_cc): Likewise.
12206 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
12207 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12208 * mn10200/mn10200.c (notice_update_cc): Likewise.
12209 * mn10300/mn10300.c (notice_update_cc): Likewise.
12210 * romp/romp.c (update_cc): Likewise.
12211 * sparc/sparc.c (check_pic): Likewise.
12212 * v850/v850.c (notice_update_cc): Likewise.
12214 * genemit.c (main): Don't declare recog_operand.
12216 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
12218 * ggc.h (rtvec_def): Forward declare.
12219 (tree_node): Likewise.
12220 (ggc_root): Define.
12222 (ggc_set_mark_rtx): Add prototype.
12223 (ggc_set_mark_rtvec): Likewise.
12224 (ggc_set_mark_tree): Likewise.
12225 * ggc-simple.c (ggc_root): Don't define.
12226 (roots): Don't declare.
12227 (ggc_mark_rtx): Remove.
12228 (ggc_mark_rtvec): Likewise.
12229 (ggc_mark_tree): Likewise.
12230 (ggc_mark_varray): Likewise.
12231 (ggc_mark_tree_hash_table_entry): Likewise.
12232 (ggc_mark_tree_hash_table): Likewise.
12233 (ggc_set_mart_rtx): New function.
12234 (ggc_set_mark_rtvec): Likewise.
12235 (ggc_set_mark_tree): Likewise.
12236 (ggc_add_root): Remove.
12237 (ggc_add_rtx_root): Likewise.
12238 (ggc_remove_tree_root): Likewise.
12239 (ggc_add_string_root): Likewise.
12240 (ggc_add_tree_varray_root): Likewise.
12241 (ggc_add_tree_hash_table_root): Likewise.
12242 (ggc_del_root): Likewise.
12243 (ggc_mark_rtx_ptr): Likewise.
12244 (ggc_mark_tree_ptr): Likewise.
12245 (ggc_mark_string_ptr): Likewise.
12246 (ggc_mark_tree_varray_ptr): Likewise.
12247 (ggc_mark_tree_hash_table_ptr): Likewise.
12248 * ggc-common.c: New file.
12249 * Makefile.in (OBJS): Add ggc-common.o.
12250 (ggc-common.o): List dependencies.
12252 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
12254 * cppalloc.c (xstrdup): Use memcpy.
12255 * cpperror.c (cpp_print_containing_files): Don't use
12257 * cpplib.c (conditional_skip): Set temp->lineno.
12258 (do_endif): Make error message less obscure.
12259 (if_directive_name): New function.
12260 (cpp_get_token [case EOF]): Unwind the if stack and generate
12261 error messages for each unterminated conditional in this file.
12262 (parse_string): Do not behave differently if -traditional.
12264 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
12266 * builtins.c (expand_builtin_va_arg): Cope with an array-type
12267 va_list decomposing to pointer-type.
12268 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
12269 (rs6000_va_arg): Likewise.
12271 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
12273 * except.c (start_dynamic_handler): Compute size using
12274 STACK_SAVEAREA_MODE.
12276 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12278 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
12279 include directory headers. Don't define strrchr. Don't provide
12280 my_* replacement functions. Prefer PTR over `pointer_type'.
12281 Don't prototype system functions. Don't redefine getopt.
12283 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
12284 safe_read, safe_write, save_pointers, restore_pointers,
12285 is_id_char, in_system_include_dir, directory_specified_p,
12286 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
12287 find_corresponding_lparen, referenced_file_is_newer,
12288 save_def_or_dec, munge_compile_params, gen_aux_info_file,
12289 process_aux_info_file, identify_lineno, check_source,
12290 seek_to_line, forward_to_next_token_char, output_bytes,
12291 output_string, output_up_to, other_variable_style_function,
12292 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
12293 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
12294 find_static_definition, connect_defs_and_decs, add_local_decl,
12295 add_global_decls, needs_to_be_converted, visit_each_hash_node,
12296 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
12297 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
12298 scan_for_missed_items, edit_file, string_list_cons): Add static
12300 (standard_exec_prefix, target_machine, target_version,
12301 default_syscalls_dir, string_list, string_list_cons, find_file,
12302 do_cleaning): Constify a char*.
12303 (safe_read, safe_write): Use PTR, not a char*.
12304 (is_id_char): Take an int, not a char.
12305 (main): Add prototype. Call return, not exit.
12307 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
12309 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
12310 when comparing types.
12312 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
12314 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
12315 (strength_reduce): Release the varrays from the no-bivs early exit.
12317 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
12318 the loop over the registers.
12320 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
12322 (restore_tree_status): Check that instead when freeing the obstack.
12324 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
12326 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
12329 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12331 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
12332 operand size modifiers.
12334 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12336 * c-common.c (c_common_nodes_and_builtins): Don't build
12338 * c-common.h (enum c_tree_index and related accesor macros): Remove
12339 everything now declared in tree.h.
12340 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12341 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
12342 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
12343 (error_mark_node, void_type_node, char_type_node, integer_type_node,
12344 unsigned_type_node, ptr_type_node, va_list_type_node,
12345 integer_zero_node, null_pointer_node, integer_one_node): Delete.
12346 (init_decl_processing): Call build_common_tree_nodes and
12347 build_common_tree_nodes_2 instead of building their nodes here.
12348 Don't add roots for these nodes.
12349 * stor-layout.c (size_zero_node, size_one_node): Delete.
12350 (set_sizetype): Make a new node for bitsizetype each time.
12351 * tree.c (global_trees): New variable.
12352 (init_obstacks): Add a gc root for it.
12353 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12354 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
12355 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
12356 (build_common_tree_nodes): New function.
12357 (fix_sizetype): New function.
12358 (build_common_tree_nodes_2): New function.
12359 * tree.h (enum tree_index): New.
12360 (global_trees): Declare.
12361 Add accessor macros for all nodes now moved to global_trees.
12362 Delete their declarations.
12364 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
12366 * c-decl.c (finish_function): When processing a nested function,
12367 push and pop GC context around rest_of_compilation.
12369 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
12371 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
12372 Default ix86_arch to PROCESSOR_I386.
12373 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
12374 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
12375 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
12376 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
12377 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
12378 (EXTRA_SPECS): Remove deleted specs.
12380 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
12382 * function.c (assign_stack_local_1): Allocate from
12383 function->x_frame_offset, not frame_offset.
12385 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
12387 * ggc.h (lang_cleanup_tree): Remove.
12388 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
12389 * ggc-callbacks.c (lang_cleanup_tree): Remove.
12391 * c-decl.c (finish_struct): Use ggc_alloc to allocate
12392 TYPE_LANG_SPECIFIC when garbage collecting.
12393 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
12394 (lang_cleanup_tree): Remove.
12396 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12398 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
12399 * crtstuff.c: Not here.
12400 * dwarf2out.c: Or here.
12401 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
12404 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
12406 * function.h (free_after_compilation): Remove decl parameter.
12407 (free_varasm_status0: Likewise.
12408 (free_emit_status): Likewise.
12409 (free_stmt_status): Likewise.
12410 (free_after_compilation): Likewise.
12411 (init_lang_status): New variable.
12412 (free_lang_status): Likewise.
12413 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
12414 * function.c (init_lang_status): New variable.
12415 (free_lang_status): Likewise.
12416 (push_function_context_to): Don't set function::decl here.
12417 (free_after_copmilation): Make decl parameter implicit. Call
12418 free_lang_status if defined.
12419 (prepare_function_start): Call init_lang_status if defined.
12420 (init_function_start): Set function::decl here.
12421 * profile.c (output_func_start_profiler): Don't call pushdecl
12422 until we've actually started the function.
12423 * stmt.c (free_stmt_status): Make decl parameter implicit.
12424 * toplev.c (rest_of_compilation): Don't pass decl to
12425 free_after_compilation.
12426 * varasm.c (free_varasm_status): Likewise.
12428 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12430 * except.c (call_get_eh_context): Add root when allocating static
12433 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12435 * arm.c: Include "ggc.h".
12436 (arm_add_gc_roots): New function.
12437 (arm_override_options): Call it.
12438 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12440 * arm.md (define_asm_attributes): Add a pool_range attribute.
12442 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12444 * extend.texi (Volatiles): New node.
12446 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12448 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12449 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12450 (struct ggc_any): Replace `mark' with `magic_mark'.
12451 (ggc_alloc_string): Use memcpy, not bcopy.
12452 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12453 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12454 (ggc_free_any): New.
12455 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12456 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12457 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12458 Use IS_MARKED. Use ggc_free_any.
12460 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12462 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12464 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12466 * toplev.c (main): Always init_ggc.
12468 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12470 * except.c (find_all_handler_type_matches): Free the list if
12471 we found no matches.
12473 * combine.c (SUBST): Break out to a real function do_SUBST.
12474 (SUBST_INT): Likewise.
12475 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12476 (pre_insert): Free `inserted'.
12477 * loop.c (basic_induction_var): Always set `location'.
12479 * function.c (expand_function_end): Add initial_trampoline as a root.
12480 * rtl.h (init_varasm_once): Declare.
12481 * toplev.c (compile_file): Call it.
12482 * ggc-simple.c (ggc_mark_string_ptr): New.
12483 (ggc_add_string_root): New.
12484 (ggc_collect): Disable collection avoidance temporarily.
12485 * ggc.h (ggc_add_string_root): Declare.
12486 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12487 * optabs.c (init_libfuncs): Likewise.
12488 * varasm.c (named_section): Use ggc_alloc_string.
12489 (make_function_rtl): Likewise.
12490 (make_decl_rtl): Likewise.
12491 (assemble_static_space): Likewise.
12492 (assemble_trampoline_template): Likewise.
12493 (output_constant_def): Likewise.
12494 (force_const_mem): Likewise.
12495 (mark_const_hash_entry): New.
12496 (mark_pool_sym_hash_table): New.
12497 (mark_varasm_state): Use it.
12498 (init_varasm_once): New.
12500 * expr.h (init_one_libfunc): Declare.
12501 * optabs.c (init_one_libfunc): New.
12502 (init_optabs): Use it.
12503 * config/gofast.h: Likewise.
12504 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12505 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12507 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12509 * Makefile.in (cppexp.o): Depend on cpphash.h.
12510 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12512 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12513 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12514 redefining poisoned identifiers, etc.
12515 (do_undef): Don't allow poisoned identifiers to be undefined.
12516 (do_pragma): Add #pragma poison.
12517 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12519 * cccp.c: Add T_POISON node type.
12520 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12522 (do_define): Generalise to handle poisoned definitions,
12523 redefining poisoned identifiers, etc.
12524 (do_undef): Don't allow poisoned identifiers to be undefined.
12525 (do_pragma): Add #pragma poison.
12526 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12528 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12529 * c-pragma.h: Add ps_poison state. We now always have generic
12532 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12534 * ggc.h (ggc_alloc): New function.
12535 (ggc_mark): Likewise.
12536 * ggc-simple.c (ggc_any): New structure.
12537 (ggc_status): Add anys.
12538 (n_anys_collected): New variable.
12539 (ggc_alloc): Define.
12540 (ggc_mark): Likewise.
12541 (ggc_collect): Collect the anys.
12543 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12545 * c-decl.c (mark_binding_level): Make static to match prototype.
12547 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12549 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12551 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12553 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12554 will use into account. Expand the max width to 5.
12557 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12559 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12560 for the rtx length.
12562 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12564 * alpha.md (call value patterns): Remove the result predicates.
12566 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12568 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12571 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12573 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12574 changed from extern char *, to extern PTR. Also fix typo in
12575 NEED_DECLARATION_REALLOC test.
12577 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12579 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12581 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12582 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12583 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12584 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12586 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12588 * cccp.c (pcfinclude): Likewise.
12590 * global.c (allocno_compare): Likewise.
12592 * haifa-sched.c (rank_for_schedule): Likewise.
12594 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12596 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12598 * stupid.c (stupid_reg_compare): Likewise.
12600 * tree.c (_obstack_allocated_p): Likewise.
12602 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12604 1999-09-08 Bruce Korb autogen@linuxbox.com
12606 * Makefile.in: Give the hapless gperf user a hint about
12607 why "gperf -F" fails.
12609 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12611 * lists.c: Include ggc.h.
12613 (init_EXPR_INSN_LIST_cache): Install it.
12615 * ggc-simple.c (init_ggc): Absorb the old init.
12616 (ggc_push_context): Use xcalloc.
12617 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12618 (ggc_collect): Add [rvts] tags to the collection stats.
12620 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12622 * cccp.c (main): Fix handling of -include and -imacros options.
12624 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12626 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12628 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12630 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12633 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12635 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12636 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12637 and SET_DEST. Update comment.
12639 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12641 * config/c4x/c4x.c: Include ggc.h.
12642 (c4x_add_gc_roots): New function.
12643 (c4x_override_options): Call c4x_add_gc_roots.
12645 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12647 * defaults.h (TARGET_ESC): Move ...
12648 * system.h: ... here, where Linas had it in the first place. Silly me.
12650 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12652 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12653 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12654 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12655 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12656 * defaults.h (TARGET_ESC): Add default.
12658 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12660 * configure.in: add i370-*-openedition, i370-*-mvs and
12661 i370-*-linux targets
12663 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12665 * dsp16xxx.c: Include ggc.h
12666 (override_options): Mark GC roots.
12667 * mn10200.c: Include ggc.h.
12668 (asm_file_start): Mark GC roots.
12669 * tahoe.c: Include ggc.h.
12670 (extensible_operand): Mark GC roots.
12672 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12674 * README: Add section discussing status of ELF ABI.
12675 * i370.c: Fix misc spelling mistakes.
12676 (i370_label_scan): Updated notes, exception handling.
12677 (i370_function_prolog): Simplify ELF stack handling.
12678 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12679 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12680 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12681 * i370.md: (movdi): Add notes.
12682 (floatsidf2): Use stack not rtca for scratch float area.
12683 (iorsi3): Correct operand constraints.
12684 * x-oe: Restore TAROUTOPTS which are used by pax.
12686 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12688 * rs6000.c: Include ggc.h.
12689 (rs6000_add_gc_roots): New function.
12690 (override_options): Call it.
12692 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12694 * alpha.h (alpha_compare): New.
12695 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12696 * alpha.c: Likewise for the definitions.
12697 (alpha_emit_conditional_branch): Update for alpha_compare.
12698 (alpha_emit_conditional_move): Likewise.
12699 * alpha.md (cmpdf, cmpdi): Likewise.
12700 (setcc patterns): Likewise. Zero alpha_compare after use.
12701 (sne): Optimize (x != 0) into (0U < x).
12703 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12705 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12706 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12707 (INIT_EXPANDERS): Remove.
12708 * alpha.c: Include ggc.h.
12709 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12710 (alpha_init_machine_status, alpha_mark_machine_status): New.
12711 (override_options): Install them.
12712 (struct machine_function): Moved to alpha.h.
12713 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12714 (alpha_init_expanders): Remove.
12715 (alpha_return_addr): Adjust to use current_function->machine.
12716 (alpha_ra_ever_killed): Likewise.
12717 (alpha_expand_epilogue): Likewise.
12718 * alpha.md (eh_epilogue): Likewise.
12720 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12721 Melissa O'Neill <oneill@cs.sfu.ca>
12722 Geoffrey Keating <geoffk@cygnus.com>
12724 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12725 call-used registers (call-saved registers must still be contiguous
12726 and end with r31, of course).
12728 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12730 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12731 (self_promoting_type_p): Delete.
12732 (self_promoting_args_p): Move ...
12733 * c-common.c: ... here.
12734 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12735 (simple_type_promotes_to): New.
12736 * builtins.c (lang_type_promotes_to): New.
12737 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12738 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12739 * c-common.h: ... here.
12740 (self_promoting_args_p, simple_type_promotes_to): Declare.
12741 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12742 (grokdeclarator): Likewise.
12743 * tree.h (lang_type_promotes_to): Declare.
12745 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12747 Add some machine-dependent GC roots.
12748 * sparc.c: Include ggc.h.
12749 (sparc_add_gc_roots): New function.
12750 (mark_ultrasparc_pipeline_state): Likewise.
12751 (override_options): Call sparc_add_gc_roots.
12752 * pa.c: Include ggc.h.
12753 (pa_add_gc_roots): New function.
12754 (mark_deferred_plabels): Likewise.
12755 (override_options): Call pa_add_gc_roots.
12756 * mips.c: Include ggc.h.
12757 (mips_add_gc_roots): New function.
12758 (override_options): Use it.
12760 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12762 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12764 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12765 cpp_parse_expr): Add static prototypes.
12766 (parse_charconst): Don't cast away const-ness.
12767 (token): Constify a char*.
12769 * cppfiles.c (file_name_list, include_hash, find_include_file,
12770 finclude, initialize_input_buffer): Constify a char*.
12771 (file_cleanup, find_position): Add static prototypes.
12773 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12774 collect_expansion): Add static prototypes.
12775 (cpp_install, create_definition, monthnames): Constify a char*.
12777 * cpphash.h (cpp_install): Likewise.
12779 * cppinit.c (known_suffixes, default_include,
12780 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12781 (base_name, dump_special_to_buffer, initialize_dependency_output):
12782 Add static prototypes.
12784 * cpplib.c (my_strerror): Constify a char*.
12785 (null_underflow, null_cleanup, skip_comment, copy_comment,
12786 copy_rest_of_line, handle_directive, pass_thru_directive,
12787 get_directive_token, read_line_number, cpp_print_file_and_line,
12788 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12789 v_cpp_warning_with_line, detect_if_not_defined,
12790 consider_directive_while_skipping): Add static prototypes.
12791 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12792 cpp_pedwarn_with_file_and_line): Constify a char*.
12794 * cpplib.h (cpp_options, include_hash, progname, definition,
12795 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12796 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12797 find_include_file, deps_output, include_hash): Constify a char*.
12799 * cppmain.c (progname): Constify.
12800 (main): Add prototype. Use return, not exit.
12802 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12803 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12804 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12805 check_protection): Add static prototype.
12807 (progname, recognized_macrom, recognized_extern): Constify a char*.
12808 (main): Add prototype.
12810 * gen-protos.c (progname): Constify a char*.
12812 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12814 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12815 (init_emit_once): Add more GC roots.
12816 * except.c (mark_func_eh_entry): New function.
12817 (mark_eh_node): Mark false_label and rethrow_label.
12818 (init_eh): Add more GC roots.
12819 * function.c (free_after_compilation): Take decl as a paramter.
12820 Call free_stmt_status.
12821 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12823 * function.h (free_after_compilation): Change prototype.
12824 (free_varasm_status): Likewise.
12825 (free_emit_status): Likewise.
12826 (free_stmt_status): New function.
12827 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12828 Remove, replacing with ...
12829 (ggc_status): New structure.
12830 (ggc_chain): New variable.
12831 (init_gcc): Define.
12832 (ggc_push_context): New function.
12833 (ggc_pop_context): Likewise.
12834 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12835 (ggc_alloc_rtvec): Likewise.
12836 (ggc_alloc_tree): Likewise.
12837 (ggc_alloc_string): Likewise.
12838 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12839 (ggc_mark_tree): Give language-dependent code a chance to mark
12841 (ggc_mark_tree_varray): Handle empty arrays.
12842 (ggc_collect): Adjust for use of ggc_chain. Clear
12843 bytes_alloced_since_last_gc.
12844 * ggc.h (ggc_pop_context): New function.
12845 (ggc_push_context): Likewise.
12846 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12847 * stmt.c (free_stmt_status): New function.
12848 (init_stmt_for_function): Clear last_expr_value.
12849 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12850 Conditionalize call to ggc_collect.
12851 (main): Call init_ggc.
12852 * tree.c (push_obstacks): Do the push, even when GC'ing.
12853 (push_obstacks_nochange): Likewise.
12854 (pop_obstacks): Liekwise.
12855 * varasm.c (free_varasm_status): Take decl as a parameter.
12857 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12859 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12860 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12861 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12862 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12864 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12866 * pa/x-pa-mpeix: New file for the MPE port.
12868 * pa/quadlib.asm: New file for long double support.
12870 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12871 * configure: Rebuilt.
12873 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12875 * final.c (shorten_branches): Fix last change.
12877 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12879 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12881 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12883 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12886 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12888 * c-aux-info.c (concat): Don't define.
12890 * cccp.c (my_strerror): Likewise. All callers changed to use
12892 (do_include): Call xstrdup, not xmalloc/strcpy.
12893 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12894 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12896 * collect2.c (my_strsignal): Likewise. All callers changed to use
12898 (locatelib): Call xstrdup, not xmalloc/strcpy.
12900 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12902 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12904 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12906 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12908 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12910 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12912 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12914 (find_all_handler_type_matches): Likewise. Don't check return
12916 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12917 xmalloc, not malloc.
12918 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12920 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12921 (init_spec): Call xcalloc, not xmalloc/bzero.
12922 (set_spec): Call xstrdup, not save_string.
12923 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12924 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12925 (process_command): Call xstrdup, not save_string.
12926 (main): Call xcalloc, not xmalloc/bzero.
12928 * gcov.c (xmalloc): Don't define.
12929 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12930 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12931 (output_data): Call xcalloc, not xmalloc/bzero.
12933 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12935 * mips-tdump.c (xmalloc): Don't define.
12936 (print_symbol): Call xmalloc, not malloc.
12937 (read_tfile): Call xcalloc, not calloc.
12939 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12940 Don't define. All callers of xfree/my_strsignal changed to use
12941 free/strsignal instead.
12942 (allocate_cluster): Call xcalloc, not calloc.
12944 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12945 Fix memory leak, free allocated memory.
12947 * prefix.c (translate_name): Call xstrdup, not save_string.
12948 (update_path): Likewise.
12950 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12952 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12953 Don't define. Callers of xfree/savestring2 changed to use
12954 free/concat instead.
12956 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12957 (init_elim_table): Likewise.
12959 * resource.c (init_resource_info): Likewise.
12961 * stupid.c (stupid_life_analysis): Likewise.
12963 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12964 (open_dump_file): Call concat, not xmalloc/strcpy/...
12965 (clean_dump_file): Likewise.
12966 (compile_file): Call xstrdup, not xmalloc/strcpy.
12968 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12970 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12971 * v850.c (v850_va_arg): New.
12973 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12975 * haifa-sched.c: Tidy comments.
12977 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12979 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12980 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12981 $(out_object_file)): Depend on ggc.h.
12982 * c-common.c: Include "ggc.h".
12983 (combine_strings): If doing GC, use ggc_alloc_string.
12984 * c-decl.c: Include "ggc.h".
12985 (ggc_p): Define with value 0.
12986 (mark_binding_level): New function.
12987 (init_decl_processing): Add GC roots.
12988 (mark_c_function_context): New function.
12989 (lang_mark_false_label_stack): New function.
12990 (lang_mark_tree): New function.
12991 (lang_cleanup_tree): New function.
12992 * c-lang.c: Include "ggc.h".
12993 (lang_init): Call c_parse_init.
12994 * c-lex.c: Include "ggc.h".
12995 (check_linenum): If doing GC, don't copy filenames to permanent
12997 * c-parse.in: Include "ggc.h".
12998 (c_parse_init): New function.
12999 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
13000 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
13002 * except.c (mark_eh_state): Mark more state.
13003 * function.c (mark_function_state): Likewise.
13004 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
13005 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
13006 * toplev.c (mark_file_stack): New function.
13007 (compile_file): If doing GC, use ggc_alloc_string on input filename.
13008 (main): Add root for input_file_stack.
13010 * i386.c: Include "ggc.h".
13011 (ix86_mark_machine_status): New function.
13012 (override_options): Set mark_machine_status.
13014 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13016 * tree.c (copy_node): Copy node contents also if doing GC.
13018 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13020 * collect2.c (scan_libraries): Fix double-thinko :-).
13022 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
13024 * collect2.c (scan_libraries): Fix thinko.
13026 * cse.c (delete_trivially_dead_insns): Do not skip the last
13027 insn if it is a real insn.
13029 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
13031 * Makefile.in (ggc-simple.o): Depend on hash.h.
13032 * ggc.h (ggc_add_tree_hash_table_root): Declare.
13033 (ggc_mark_tree_varray): Likewise.
13034 (ggc_mark_tree_hash_table): Likewise.
13035 * ggc-simple.c: Include hash.h.
13036 (ggc_mark_tree_hash_table_ptr): New function.
13037 (ggc_mark_tree_hash_table_entry): Likewise.
13038 (ggc_mark_tree_hash_table): Likewise.
13039 (ggc_add_tree_hash_table_root): Likewise.
13040 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
13041 rtx, when defining fields.
13043 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13045 * profile.c (output_func_start_profiler): Remove apparently
13046 nonsensical call to start_sequence.
13048 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
13050 * clipper/clipper.c (clipper_va_start): Fix typos.
13052 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
13053 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
13054 (spur_va_arg): New stub.
13056 * configure.in: Comment out pyramid.
13058 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
13060 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
13061 don't conflict with the bits that win32, cygwin, and dgux
13064 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
13065 Bernd Schmidt <bernds@cygnus.co.uk>
13067 * integrate.c (function_cannot_inline_p): Do not inline
13068 functions with forced labels.
13070 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
13071 Bernd Schmidt <bernds@cygnus.co.uk>
13072 Mark Mitchell <mark@codesourcery.com>
13074 * Makefile.in (ggc-simple.o): Depend on varray.h.
13075 (rtl.o): Depend on ggc.h.
13076 (genattrtab.o): Depend on ggc.h.
13077 (print-tree.o): Likewise.
13078 (fold-const.o): Likewise.
13079 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
13080 (make_insn_raw): Don't cache insns when GC'ing.
13081 (emit_insn_before): Likewise.
13082 (emit_insn_after): Likewise.
13083 (emit_insn): Likewise.
13084 (start_sequence): Use xmalloc to allocate the sequence_stack.
13085 (end_sequence): Add free to free it.
13086 (gen_sequence): Don't cache insns when GC'ing.
13087 (clear_emit_caches): Don't use sequence_element_free_list.
13088 (init_emit): Use xcalloc, not xmalloc+bzero.
13089 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
13090 * function.c (pop_function_context_from): Use free to free the
13091 fixup_var_refs_queue.
13092 (put_reg_into_stack): Allocate it with xmalloc.
13093 * genattrtab.c: Include ggc.h.
13094 (operate_exp): Don't use obstack_free when GC'ing.
13095 (simplify_cond): Likewise.
13096 (simplify_text_exp): Likewise.
13097 (optimize_attrs): Likewise.
13098 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
13100 (gencode): Generate a #include for ggc.h.
13101 * ggc-callbacks.c (ggc_p): Define it to zero.
13102 * ggc-none.c (ggc_p): Likewise.
13103 * ggc-simple.c: Include varray.h.
13104 (ggc_mark_tree_varray): New function.
13105 (ggc_add_tree_varray_root): Likewise.
13106 (ggc_mark_tree_varray_ptr): Likewise.
13107 * ggc.h (ggc_p): Declare.
13108 (varray_head_tag): Likewise.
13109 (ggc_add_tree_varray_root): Declare.
13110 * print-tree.c (print_node): Don't check for TREE_PERMANENT
13111 inconsistencies when GC'ing.
13112 * rtl.c: Include ggc.h.
13113 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
13114 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
13115 (rtx_free): Don't call obstack_free when GC'ing.
13116 * toplev.c (rest_of_compilation): Call ggc_collect after every
13118 * tree.c (push_obstacks): Do nothing, if GC'ing.
13119 (pop_obstacks_nochange): Likewise.
13120 (pop_obstacks): Likewise.
13121 (make_node): Use ggc_alloc_tree when GC'ing.
13122 (copy_node): Likewise.
13123 (get_identifier): Use ggc_alloc_string when GC'ing.
13124 (build_string): Likewise.
13125 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
13126 (tree_cons): Likewise.
13127 (build1): Likewise.
13128 (type_hash_canon): Don't call obstack_free when GC'ing.
13130 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
13132 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
13133 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
13135 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
13136 Bernd Schmidt <bernds@cygnus.co.uk>
13137 Mark Mitchell <mark@codesourcery.com>
13139 * Makefile.in (stor-layout.o): Depend on ggc.h.
13140 (expr.o): Depend on ggc.h.
13141 (profile.o): Depend on ggc.h.
13142 (stor-layout.o): Depend on ggc.h.
13143 * emit-rtl.c (init_emit_once): Add gc roots.
13144 * expr.c: Include ggc.h.
13145 (emit_block_move): Add gc roots.
13146 (clear_storage): Likewise.
13147 * expr.h (init_stor_layout_once): New function.
13148 * profile.c: Include ggc.h.
13149 (init_arc_profiler): profiler_label is a root.
13150 * scan.c (make_sstring_space): Trust xrealloc to function
13151 correctly with first parameter NULL.
13152 * stor-layout.c: Include ggc.h.
13153 (set_sizetype): Add gc root.
13154 (init_stor_layout_once): New function.
13155 * toplev.c (compile_file): Call it.
13157 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
13158 Bernd Schmidt <bernds@cygnus.co.uk>
13159 Mark Mitchell <mark@codesourcery.com>
13161 * Makefile.in (tree.o): Depend on ggc.h.
13162 (varasm.o): Likewise.
13163 (function.o): Likewise.
13164 (stmt.o): Likewise.
13165 (except.o): Likewise.
13166 (optabs.o): Likewise.
13167 (emit-rtl.o): Likewise.
13168 * emit-rtl.c: Include ggc.h.
13169 (sequence_element_free_list): Remove, and all references.
13170 (mark_sequence): New functions.
13171 (mark_emit_state): New function.
13172 * except.c: Include ggc.h.
13173 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
13174 (mark_tree_label_node): New functions.
13175 (mark_eh_state): New function.
13176 * function.c: Include ggc.h.
13177 (mark_temp_slot, mark_function_chain): New functions.
13178 (mark_function_state): New function.
13179 (init_function_once): New function.
13180 * function.h (init_function_once): New function.
13181 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
13182 * ggc.h (label_node): Declare.
13183 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
13184 (lang_mark_false_label_stack): New function.
13185 (mark_temp_slot): Remove declaration.
13186 (mark_function_chain): Likewise.
13187 (mark_eh_state): Adjust prototype.
13188 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
13190 * optabs.c: Include ggc.h.
13191 (mark_optab): New function.
13192 (init_optabs): Add gc roots.
13193 * stmt.c: Include ggc.h.
13194 (mark_cond_nesting, mark_loop_nesting): New functions.
13195 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
13196 (mark_stmt_state): New function.
13197 * toplev.c (compile_file): Call init_function_once.
13198 * tree.c: Include ggc.h.
13199 (type_hash): Move declaration earlier in file.
13200 (TYPE_HASH_SIZE, type_hash_table): Likewise.
13201 (init_obstacks): Add gc roots.
13202 (mark_type_hash): New function.
13203 * varasm.c: Include ggc.h.
13204 (mark_pool_constant): New function.
13205 (mark_varasm_state): New function.
13207 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13209 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
13211 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13213 * c-decl.c (struct language_function): Renamed from struct c_function.
13215 (c_function_chain): Delete.
13216 (push_c_function_context): New arg F. Don't warn about nested
13217 functions here. Fill LANGUAGE elt of F. Delete code to update
13218 c_function_chain. Don't call push_function_context.
13219 (pop_c_function_context): New arg F. Restore from there instead of
13220 from c_function_chain. Don't call pop_function_context. Clear out
13221 LANGUAGE field of F when done.
13222 * c-lang.c: Include "function.h"
13223 (lang_init): Initialize save_lang_status and restore_lang_status.
13224 * c-parse.in (nested_function, nested_function_notype): Warn about
13225 nested functions. Call push_function_context/pop_function_context
13226 instead of the _c_ variants.
13227 * c-tree.h (push_c_function_context, pop_c_function_context): Update
13229 * Makefile.in (c-lang.o): Update dependencies.
13231 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
13232 regno_pointer_flag, regno_pointer_align.
13233 (gen_reg_rtx): Use xrealloc to enlarge them.
13234 (free_emit_status): New function.
13235 * function.c (mark_machine_status, mark_lang_status): New variables.
13236 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
13237 in some bits from assign_stack_local. All callers changed to use new
13239 (assign_stack_local): Just call assign_stack_local_1.
13240 (free_after_compilation): New function.
13241 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
13242 (trampoline_address): Likewise.
13243 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
13244 (prepare_function_start): Explicitly clear some more variables.
13245 * function.h (struct function): New elt can_garbage_collect.
13246 (mark_machine_status, mark_lang_status): Declare variables.
13247 (free_after_compilation, free_emit_status, free_varasm_status,
13248 init_varasm_status): Declare functions.
13249 * toplev.c (rest_of_compilation): Call free_after_compilation when
13250 done with the current function.
13251 * varasm.c (free_varasm_status): New function.
13253 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
13255 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
13256 (EXPAND_BUILTIN_VA_ARG): Define.
13257 * sparc.c (sparc_va_start): New.
13258 (sparc_va_arg): New.
13260 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13262 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
13264 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13266 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
13268 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
13270 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
13271 (OBJS): Add $(GGC).
13272 (ggc-callbacks.o): New target.
13273 * ggc-callbacks.c: New file.
13275 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13277 * expr.h: Collapse individual optab and libfunc vars to arrays.
13278 (optab_index, libfunc_index): New enumerations.
13279 (optab_table, libfunc_table): New arrays.
13280 Add accessor macros for both.
13282 * optabs.c (optab_table, libfunc_table): New.
13283 Delete declarations for individual optab and libfunc vars.
13285 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
13287 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
13289 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13291 * Makefile.in (GGC, GGC_LIB): New.
13292 (HOST_RTL): Include ggc-none.o.
13293 (ggc-simple.o): New target.
13294 (ggc-none.o): Likewise.
13295 * tree.h (tree_common): Add gc_mark.
13296 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
13297 (struct rtvec_def): Add gc_mark.
13298 * emit-rtl.c (global_rtl): Update static initializers to contain
13299 enough initializers.
13300 * ggc.h, ggc-none.c, ggc-simple.c: New files.
13301 * toplev.c (gc_time): New variable.
13302 (all_time): New variable.
13303 (compile_file): Print gc time.
13304 (print_time): Calculate percentage of the whole.
13306 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13308 Change obstack memory management and varasm constant pool handling so
13309 that nested functions are treated like any other functions.
13310 * function.c (init_machine_status): New variable.
13311 (push_function_context_to): Set contains_functions for the outer
13312 function. Don't call save_varasm_status.
13313 (pop_function_context_from): Don't call restore_varasm_status. Don't
13314 set current_function_contains_functions.
13315 (prepare_function_start): Call init_varasm_status rather than
13316 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
13318 * function.h (struct function) Add field varasm. Delete fields
13319 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
13320 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
13321 (init_machine_status): Declare.
13322 (save_varasm_status, restore_varasm_status): Delete declarations.
13323 (save_tree_status, restore_tree_status): Delete last argument.
13324 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
13325 code. All callers changed.
13326 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
13327 save_constants_in_decl_trees, restore_constants, save_constants,
13328 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
13330 (inlining): New variable.
13331 (reg_map, label_map, insn_map, orig_asm_operands_vector,
13332 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
13334 (save_for_inline_nocopy): Don't save constants.
13335 Don't set inl_emit field in current_function.
13336 (expand_inline_function): Use emit field, not inl_emit, of the inlined
13337 function. Set new variable inlining before
13338 calling copy_rtx_and_substitute.
13339 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
13340 constant pool references if inlining is nonzero.
13341 Delete ADDRESS and (most of the) CONST cases.
13342 (output_inline_function): Save and restore current_function/
13343 current_function_decl. Delete restore_constants code. Don't call
13344 init_const_rtx_hash_table.
13345 * output.h (init_const_rtx_hash_table): Don't declare.
13346 * rtl.h (struct function): Declare.
13347 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
13348 * toplev.c (rest_of_compilation): Don't treat nested functions or
13349 functions containing them specially. Delete all code to deal with
13350 save_for_inline_copying.
13351 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
13352 inline_obstacks): Delete variables.
13353 (save_tree_status): Lose arg CONTEXT. All callers changed.
13354 Simply allocate a new function_maybepermanent_obstack for the new
13355 function, delete all the special cases.
13356 Don't save inline_obstacks.
13357 (restore_tree_status): Lose arg CONTEXT. All callers changed.
13358 Delete special handling for function_maybepermanent_obstack; simply
13360 Don't restore inline_obstacks.
13361 (permanent_allocation): Delete code that frees inline_obstacks.
13362 (print_inline_obstack_statistics): Delete function.
13363 (dump_tree_statistics): Don't call it.
13364 * varasm.c (struct varasm_status): New.
13365 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
13366 last_pool, pool_offset, const_double_chain): Delete global
13367 variables, replace with accessor macros.
13368 (immed_double_const): Don't walk const_double_chain outside a
13369 function, but don't treat nested functions specially anymore.
13370 (immed_real_const_1): Likewise.
13371 (clear_const_double_mem): Don't treat nested functions specially.
13372 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
13373 (save_varasm_status, restore_varasm_status): Delete functions.
13374 (init_varasm_status): New function.
13375 (force_const_mem): Don't treat nested functions specially.
13376 (find_pool_constant): Accept new arg F, search for constants in
13377 that function's pool rather than the current one. All callers
13379 (get_pool_constant_for_function, get_pool_mode_for_function): New
13382 * i386.c (init_386_machine_status): New function, mostly from
13383 clear_386_stack_locals.
13384 (struct machine_functions): Rename element names to avoid name
13386 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
13387 macros, replacing global variables.
13388 (clear_386_stack_locals, save_386_machine_status,
13389 restore_386_machine_status): Delete functions.
13390 (override_options): Initialize init_machine_status.
13391 * i386.h (INIT_EXPANDERS): Delete macro.
13392 (save_386_machine_status, restore_386_machine_status,
13393 clear_386_stack_locals): Delete declarations.
13395 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13397 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
13398 (doloop_begin): Simplify pattern and use emit_jump_insn.
13399 (doloop_end): Simplify pattern, switch operand order,
13400 and use emit_jump_insn.
13402 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13404 * function.h (struct function): Add new element LANGUAGE.
13405 (save_lang_status): Declare new variable.
13406 (restore_lang_status): Likewise.
13407 * function.c (save_lang_status): Define.
13408 (restore_lang_status): Likewise.
13409 (push_function_context_to): Call language-specific save function.
13410 (pop_function_context_from): Call language-specific restore function.
13412 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13414 * i386.md (movsf_1): Check REG_P before use of REGNO.
13415 (movdf_1): Likewise.
13416 (movxf_1): Likewise.
13417 (extendsfdf2): Likewise.
13418 (extendsfxf2): Likewise.
13419 (extenddfxf2): Likewise.
13421 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13423 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13424 constants into memory.
13425 (c4x_shiftable_constant): New function.
13426 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13427 (c4x_shiftable_constant): Declare.
13428 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13429 ashlqi3_noclobber): Add new patterns and associated splitters.
13431 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13433 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13434 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13435 * final.c (shorten_branches): Likewise.
13436 * global.c (global_alloc): Likewise.
13437 * haifa-sched.c (build_control_flow): Likewise.
13438 * stmt.c (check_for_full_enumeration_handling): Likewise.
13439 (estimate_case_costs): Likewise.
13441 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13443 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13445 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13447 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13448 (recompute_reg_usage): Likewise.
13449 * rtlanal.c (find_regno_fusage): Likewise.
13451 * rtl.c (rtl_check_failed_code1): New function.
13452 (rtl_check_failed_code2): New.
13453 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13454 (RTL_CHECKC1, RTL_CHECKC2): New.
13455 (XC*): New accessor macros.
13456 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13457 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13458 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13459 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13460 (TRAP_*, RANGE_INFO_*): Likewise.
13462 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13464 * Makefile.in (tlink.o): Don't depend on toplev.h.
13466 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13467 output_file, nm_file_name, ldd_file_name, strip_file_name,
13468 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13469 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13470 fork_execute, maybe_unlink, add_to_list,
13471 extract_init_priority, write_list, dump_list,
13472 dump_prefix_list, write_list_with_asm, write_c_file,
13473 write_c_file_stat, write_c_file_glob, scan_prog_file,
13474 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13475 ignore_library, extract_string, notice, dump_file, target_machine,
13476 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13477 read_file, print_load_command): Constify a char*.
13478 (fdopen, error, fatal, fatal_perror): Don't prototype.
13479 (my_strerror): Remove. All callers use xstrerror instead.
13480 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13481 (main): Add prototype. Constify lots of char* ptrs. Change calls
13482 to xcalloc/strcpy/strcat/... to one call to concat.
13483 (main, scan_prog_file, scan_libraries): Use an intermediate
13484 `const char **' to build an argv array.
13485 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13487 * collect2.h (collect_execute, collect_wait, dump_file,
13488 file_exists): Constify a char*.
13489 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13490 temporary_firstobj, vflag, debug): Add extern declarations.
13491 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13493 * tlink.c: Don't include toplev.h.
13494 (vflag, debug, ldout, c_file_name, temporary_obstack,
13495 permanent_obstack, temporary_firstobj): Don't declare.
13496 (tlink_execute, frob_extension, symbol_hash_lookup,
13497 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13498 recompile_files, read_repo_files, demangle_new_symbols,
13499 scan_linker_output): Constify a char*.
13500 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13501 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13503 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13505 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13506 (relative) rather than jsr (absolute) subroutine call insns.
13507 * config/m68k/m68k-coff.h: Ditto.
13509 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13511 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13512 now rework these too.
13513 (arm_reorg): If an insn can't reach the end of the current pool,
13514 ensure that we emit that pool before the insn.
13516 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13518 * tlink.c (scan_linker_output): Skip the initial underscore in
13519 a mangled name if appropriate.
13521 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13523 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13524 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13525 error_with_ivar, gen_declarator, create_builtin_decl,
13526 my_build_string, generate_descriptor_table, generate_ivars_list,
13527 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13528 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13529 dump_base_name, lang_decode_option, build_encode_expr,
13530 start_class, finish_class, encode_pointer, really_start_method,
13531 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13533 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13534 Add static prototypes.
13535 (build_objc_string_decl, build_selector_reference_decl,
13536 encode_bitfield, build_class_reference_decl): Remove unused
13537 parameter, all callers changed.
13538 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13539 (objc_printable_name): Likewise. Change second parameter to type int.
13540 (init_objc): Use memcpy, not bcopy, to avoid casts.
13542 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13544 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13545 reg notes on a deleted insn.
13546 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13548 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13550 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13552 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13554 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13557 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13559 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13560 * tm.texi (MD_ASM_CLOBBERS): Document it.
13562 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13564 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13565 * except.c (expand_rethrow): Remove unused variable.
13566 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13567 * flow.c (replace_insns): Likewise.
13568 (create_edge_list, verify_edge_list): Likewise.
13569 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13571 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13572 is special code to run.
13573 (main): Don't define operands to emit_operand.
13574 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13576 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13578 * alpha/alpha.h (normal_memory_operand): Declare.
13579 (reg_no_subreg_operand): Declare.
13580 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13582 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13584 * c-parse.in (compstmt_primary_start): New, broken out of first
13585 part of compstmt handling in primary.
13586 (primary): Use it. Add an error clause.
13587 (compstmt_nostart): Renamed from compstmt; remove all
13588 initial invocations of compstmt_start.
13591 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13593 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13596 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13598 * combine.c (simplify_shift_const): Remove extra semicolon.
13599 * dwarf2out.c (remove_AT): Likewise.
13600 * expmed.c (expand_mult): Likewise.
13601 * gcov.c (create_program_flow_graph): Likewise.
13602 * reorg.c (mostly_true_jump): Likewise.
13604 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13606 * fold-const.c (fold_range_test): Do not try to fold the range
13607 test if the rhs or lhs has side effects.
13609 * combine.c (simplify_rtx): Recognize another case of a synthesized
13612 * varasm.c (mark_constant_pool): When marking indirect references,
13613 only look at SYMBOL_REFs.
13615 * except.c (expand_fixup_region_end): Do not peek at
13616 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13618 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13620 * flags.h: New variables align_loops, align_loops_log,
13621 align_jumps, align_jumps_log, align_labels, align_labels_log,
13622 align_functions, align_functions_log.
13623 * toplev.c: Define them.
13624 (f_options): Handle -falign-* when they have no argument.
13625 (main): Add logic to set variables for -falign-functions,
13626 -falign-jumps, -falign-labels, -falign-loops.
13627 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13628 (display_help): Change help to match options.
13629 * final.c (LABEL_ALIGN): Default to align_labels_log.
13630 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13631 (LOOP_ALIGN): Default to align_loops_log.
13632 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13633 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13634 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13635 * varasm.c (assemble_start_function): Handle align_functions.
13637 * config/sparc/sparc.h: Don't declare sparc_align_*.
13638 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13639 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13641 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13643 * config/sparc/sparc.c: Delete sparc_align_loops,
13644 sparc_align_jumps, sparc_align_funcs and the corresponding string
13646 (sparc_override_options): Default align_functions on ultrasparc.
13647 Delete -malign-* handling.
13649 * config/mips/mips.c (override_options): On 64-bit targets,
13650 try to align code to 64-bit boundaries.
13651 (print_operand): New substitution, %~,
13652 which aligns labels to align_labels_log.
13653 * config/mips/mips.md (div_trap_normal): Use %~.
13654 (div_trap_mips16): Likewise.
13656 (absdi2): Likewise.
13657 (ffssi2): Likewise.
13658 (ffsdi2): Likewise.
13659 (ashldi3_internal): Likewise.
13660 (ashrdi3_internal): Likewise.
13661 (lshrdi3_internal): Likewise.
13662 (casesi_internal): Likewise.
13664 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13666 Merge new ia32 backend from the branch!
13668 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13669 See ChangeLog.P2 on new_ia32_branch for details.
13671 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13672 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13673 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13674 * i386/gas.h (ASM_FILE_START): Define.
13675 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13676 for name change of ix86_valid_decl_attribute_p.
13677 (i386_pe_valid_type_attribute_p): Similarly.
13679 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13681 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13682 to step through CC modes.
13684 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13686 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13687 it would end up in the shadow of a live flags regsiter.
13689 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13691 * reload1.c: Fix many indentation problems.
13692 * reload.c: Likewise.
13694 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13696 * alias.c (non_local_reference_p): Constify fmt.
13698 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13700 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13702 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13704 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13705 the internal_arg_pointer.
13707 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13709 Merge peephole2 from new_ia32_branch:
13710 * Makefile.in (STAGESTUFF): Add *.peephole2.
13711 (mostlyclean): Likewise.
13712 (recog.o): Depend on resource.h.
13714 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13715 (final_scan_insn): Likewise for the invocation of peephole.
13716 * genconfig.c (main): Look for peephole and peephole2 patterns.
13717 Emit HAVE_peephole* accordingly.
13718 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13719 * flags.h (flag_peephole2): Declare.
13720 * toplev.c: New pass peephole2. New flag -fpeephole2.
13722 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13723 * gencodes.c (main): Likewise.
13724 * genextract.c (main): Likewise.
13725 * genoutput.c (main): Likewise.
13726 * genemit.c (max_operand_1): Look for the max scratch operand.
13727 (gen_rtx_scratch): New.
13728 (gen_exp): Use it, and pass on new arg subroutine_type.
13729 (gen_expand): Take max scratch into account.
13730 (gen_split): Emit peephole2 functions.
13731 (output_peephole2_scratch): New.
13732 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13733 * genrecog.c (routine_type): Add PEEPHOLE2.
13735 (make_insn_sequence): Match outer parallel for peep2. Discard
13736 top level scratches and dups.
13737 (add_to_sequence): New args insn_type and top. Update all callers.
13738 Handle toplevel peep2 matching insns.
13739 (write_subroutine): Handle peep2.
13740 (write_tree_1): Likewise.
13741 (write_tree): Likewise.
13743 (change_state): New arg afterward. Update all callers.
13744 Handle matching separate insns.
13745 * recog.c (recog_next_insn): New.
13746 (peephole2_optimize): New.
13747 * rtl.def (DEFINE_PEEPHOLE2): New.
13748 * resource.c (find_free_register): New argument last_insn. Use it
13749 to find a register available through the entire span.
13750 * resource.h (find_free_register): Update prototype.
13752 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13754 * i386.c (output_strlen_unroll): Don't write xops[7]
13755 label if it wasn't set.
13757 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13759 * cpplib.c (struct directive): Const-ify name pointer and
13760 function pointer prototype.
13761 (validate_else, do_define, do_line, do_include, do_undef,
13762 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13763 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13764 do_warning): Const-ify second arg.
13765 (directive_table): Mark const. Reorder entries by frequency
13766 of usage, record statistics.
13768 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13770 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13771 bounds- check RTL accesses if --enable-checking.
13772 (RTVEC_ELT): Bounds check if --enable-checking.
13773 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13774 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13775 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13777 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13778 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13780 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13781 (NOTE_SOURCE_FILE): Use X0STR.
13782 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13783 MEM_ALIAS_SET): Use X0INT.
13784 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13785 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13787 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13788 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13789 (rtl_check_failed_bounds, rtl_check_failed_type1,
13790 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13792 (fancy_abort): Fix comment.
13794 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13795 (cse_insn): Decrement LABEL_NUSES for jump target before
13796 deleting jump insn.
13797 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13798 * final.c (alter_subreg): Compute regno before changing x to
13799 REG; set REGNO(x) after changing it.
13800 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13801 notes containing CONST_INTs.
13802 (delete_eh_regions): Use NOTE_EH_HANDLER.
13803 * function.c (put_reg_into_stack): Make reg a MEM before
13805 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13807 (gen_mem_addressof): Make reg a MEM before initializing it.
13808 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13810 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13811 deleting an insn, not after.
13812 (block_alloc): Only look at PATTERN(insn) if we have to, and
13813 only if it's format class 'i'.
13814 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13815 CONST_INT before using its INTVAL.
13816 * print-rtl.c (print_rtx): Use X0STR.
13817 * regmove.c (fixup_match_1): Don't look at PATTERN of
13818 non-class-'i' insn chain elements.
13819 * reload.c (loc_mentioned_in_p): Take address of
13820 in->fld[1].rtx directly.
13821 * reload1.c (reload): Change reg to a MEM before initializing
13823 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13825 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13827 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13829 * config/mips/mips.c (machine_dependent_reorg): Force a
13830 barrier to output the local constant pool if a barrier hasn't
13831 been found at a natural point in the instruction stream.
13833 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13835 * c-parse.in (language_string): Constify.
13837 * dwarf2out.c (language_string): Remove declaration.
13839 * dwarfout.c (language_string): Likewise.
13841 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13843 * tree.h (language_string, init_parse, finish_parse): Declare.
13845 * i386/sun386.h (language_string): Remove declaration.
13847 * mips.h (language_string): Likewise.
13849 * nextstep.h (language_string): Likewise.
13851 * nextstep21.h (language_string): Likewise.
13853 * rs6000.c (language_string): Likewise.
13855 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13857 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13858 (getpwd.o): Remove target.
13860 * getpwd.c: Delete file. Its in libiberty now.
13862 * dbxout.c (getpwd): Don't prototype.
13863 * dwarf2out.c (getpwd): Likewise
13864 * dwarfout.c (getpwd): Likewise
13865 * final.c (getpwd): Likewise.
13866 * protoize.c (getpwd): Likewise.
13868 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13870 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13872 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13874 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13875 mark_set_resources.
13877 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13879 * fixinc/Makefile.in (subdir): New.
13880 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13883 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13885 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13886 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13889 * invoke.texi: Fix typo.
13891 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13892 changed. Handle autoincrement addressing modes.
13894 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13895 just like we would the virtual incoming args register when
13898 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13900 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13901 path, in .file directive.
13903 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13905 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13908 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13910 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13913 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13915 * tree.c (tree_code_name): Constify a char*.
13917 * tree.h (tree_code_name, decl_printable_name): Likewise.
13919 * function.h (struct function): Likewise.
13921 * toplev.c (decl_name, decl_printable_name): Likewise.
13923 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13925 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13926 (init_objc): Remove function pointer cast.
13928 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13930 * pa.md (interspace_jump): New pattern.
13931 (builtin_longjmp): New expander.
13933 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13935 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13936 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13937 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13939 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13941 * jump.c (delete_prior_computation): Also check calls
13942 to constant functions. Don't bother checking for a
13943 REG_UNUSED note before adding it.
13944 (delete_computation): Handle multi-word hard registers
13945 when synthesizing missing REG_DEAD notes for a register
13946 which is both set and used by an insn.
13948 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13950 * loop.c (this_loop_info): New variable.
13951 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13952 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13954 (prescan_loop, strength_reduce): New argument loop_info. All callers
13956 (scan_loop): New variable loop_info, initialise to address of
13958 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13959 Delete variable loop_has_multiple_exit targets and replace with
13960 field in this_loop_info.
13961 (find_and_verify_loops): Rename this_loop to this_loop_num.
13962 (strength_reduce): Delete loop_iteration_info. Replace variable
13963 loop_info with function argument of same name.
13964 (insert_bct): Rework test for loop being completely unrolled.
13966 * loop.h (struct loop_info): New fields num, loops_enclosed,
13967 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13968 has_indirect_jump, and cont. Redefine use of unroll_number.
13969 (loop_unroll_number): Delete.
13971 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13972 field of loop_info.
13973 (loop_iterations): Delete variable vtop and instead use
13974 loop_info->vtop computed in prescan_loop.
13976 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13978 * fix-header.c (main): Do not pass a null pointer to strcmp.
13980 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13982 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13984 * configure: Rebuilt.
13986 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13988 * jump.c (jump_optimize_1): Do not delete assignments to
13989 internal_arg_pointer.
13990 * cse.c (delete_trivially_dead_insns): Always consider a set of
13991 the internal_arg_pointer live.
13993 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13995 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13996 (update_life_info) [REG_WAS_0]: Search the original insns rather
13997 than the new insns for the note. Fix typos finding note_dest.
13998 If no dest found, discard the note rather than abort.
13999 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
14000 (replace_insns): Remove the old insn list after update_life_info
14003 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
14005 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
14006 sched_analyze_insn.
14007 (sched_analyze_1): Let add_dependence care for not adding dups.
14008 (sched_analyze_2): Likewise.
14009 (add_branch_dependences): Likewise.
14011 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
14013 * i386/winnt.c (export_list): New type.
14014 (exports_head): Rename to
14015 (export_head): this.
14016 (i386_pe_record_exported_symbol): Add is_data flag.
14017 (i386_pe_asm_file_end): Emit directive for exported variables.
14018 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
14020 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
14021 (ASM_DECLARE_OBJECT_NAME): Likewise.
14022 (ASM_DECLARE_FUNCTION_NAME): Likewise.
14023 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
14025 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
14027 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
14029 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
14032 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
14034 * config/openbsd.h: Define SET_ASM_OP.
14035 * tm.texi: cross-reference SET_ASM_OP in the index.
14037 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
14039 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
14040 for a CONST_DOUBLE, at compile time. Initialize rtx_length
14041 and class_narrowest_mode at compile time. Kill init_rtl.
14042 Mark rtx_length, mode_class, mode_size, mode_unit_size,
14043 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
14044 rtx_format as const. Kill all references to EXTRA_CC_MODES or
14046 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
14048 * rtl.h: Declare rtx_length and rtx_format as const.
14049 * machmode.def: Define CC(). Use CC() to define CCmode. If
14050 EXTRA_CC_MODES is defined, expand it here.
14051 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
14052 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
14053 const. Kill all references to EXTRA_CC_MODES.
14055 * toplev.c: Don't prototype or call init_rtl.
14056 * optabs.c: Don't call init_mov_optab.
14057 * genemit.c: Don't generate init_mov_optab. Don't call
14059 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
14061 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
14062 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
14063 genrecog.c: Don't call init_rtl.
14065 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
14066 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
14067 definition of EXTRA_CC_MODES.
14069 * md.texi: Kill ref to EXTRA_CC_NAMES.
14070 * tm.texi: Document new way to define EXTRA_CC_MODES.
14072 * genrecog.c: Do not look up the name of a define_split.
14073 (Unrelated bugfix.)
14075 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
14077 * config/v850/v850.md: Fix typo introduced by previous delta.
14079 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14081 * gcc.c (fatal): Make definition static to match prototype.
14083 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14085 * combine.c (get_last_value): Don't look for earlier sets if the last
14086 known set is somewhere in between the insns being combined.
14088 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
14090 * configure.in: Don't use shell ! to negate exit codes
14091 * configure: Regenerate
14093 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
14095 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
14096 the fact that ALIGN is measured in bits, not bytes.
14098 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
14100 * errors.c: New file; defines functions error, warning, and
14101 fatal, variables have_error and progname.
14102 * errors.h: New file; prototypes and decls for stuff in errors.c.
14104 * Makefile: Add rules to build errors.o and
14105 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
14106 genopinit, genrecog, genextract, genpeep, genattr, and
14107 genoutput with errors.o. Add errors.h to deps of genconfig.o,
14108 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
14109 genpeep.o, genattr.o, and genoutput.o.
14111 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
14112 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
14113 define or prototype fatal. Set progname at beginning of main.
14114 * genoutput.c: Likewise, and don't define or prototype error
14117 * c-typeck.c (c_expand_start_case): Return immediately if exp
14119 * fold-const.c (operand_equal_p): Return immediately if arg1
14120 or arg0 are ERROR_MARKs.
14121 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
14122 fields of type ERROR_MARK when calculating if the record can
14125 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
14126 with much help from Jeffrey A Law and Richard Henderson
14128 * i386.md: In the 6 insns which call output_fix_trunc,
14129 earlyclobber operands[0].
14131 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
14133 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
14134 creating new registers.
14136 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
14138 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
14139 i386_reg_alloc_order, i386_regparm_string,
14140 i386_align_loops_string, i386_align_jumps_string,
14141 i386_align_funcs_string, i386_preferred_stack_boundary_string,
14142 and i386_branch_cost_string as type "const char *".
14143 * i386.c: Define all above strings as type "const char *".
14145 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
14147 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
14148 when emitting alignment padding. Emit padding byte of 0 instead of 4.
14150 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
14152 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
14153 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
14155 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
14157 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
14158 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
14159 (dwarf2out_line, dwarf2out_finish): Likewise.
14160 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
14162 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14164 * tree.c (lang_unsave_expr_now) : Correct return type.
14165 * tree.h (lang_unsave_expr_now) : Same.
14167 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
14169 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
14170 instead of duplicating code.
14172 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14174 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
14176 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
14178 * tree.h: fancy_abort always takes three args.
14179 * resource.c: Move include of system.h before toplev.h.
14181 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
14183 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
14186 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
14188 * system.h: Don't redefine abort or trim_filename.
14189 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
14190 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
14191 whether or not __FUNCTION__ is available.
14192 * tree.h: Duplicate rtl.h's definition of abort, for files
14193 that don't include rtl.h. Delete all code to perform type
14194 checking with a compiler other than GCC.
14195 * varray.h: Delete all code to perform type checking with a
14196 compiler other than GCC. Make VARRAY_CHECK() always evaluate
14197 its arguments exactly once, using a statement expression.
14198 Adjust the VARRAY_<type> accessor macros to match.
14199 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
14200 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
14201 caller's location. Define fatal_insn and fatal_insn_not_found
14202 as macros that use _fatal_insn and _fatal_insn_not_found.
14203 (fancy_abort, trim_filename): Kill prototypes.
14205 * rtl.c (trim_filename): Move here from toplev.c.
14206 (fancy_abort): New function.
14207 (DIR_SEPARATOR): Provide default definition.
14208 * tree.c (tree_check_failed, tree_class_check_failed): Go
14209 through fancy_abort.
14210 (tree_check, tree_class_check, cst_or_constructor_check,
14211 expr_check): Delete.
14212 * varray.c (varray_check_failed): New function.
14213 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
14214 _fatal_insn and _fatal_insn_not_found. Go through
14216 (trim_filename, fancy_abort): Delete.
14218 * builtins.c (expand_builtin_args_info): Report ICE with abort.
14219 * except.c (start_catch_handler): Report ICE with error/abort
14221 * final.c (output_operand_lossage): Likewise.
14222 * flow.c (verify_flow_info): Likewise.
14224 * gcc.c: Prototype fatal.
14225 * gengenrtl.c: Undef abort after including rtl.h not system.h.
14226 * genattr.c, genattrtab.c, genemit.c, genextract.c,
14227 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
14228 Don't define fancy_abort.
14230 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
14232 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
14235 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
14237 * m88k.h (VERSION_INFO2): Kill.
14238 (VERSION_STRING): Kill.
14240 (VERSION_INFO1): Tidy.
14241 (TARGET_VERSION): Update.
14242 * m88k/dgux.h (VERSION_INFO2): Kill.
14243 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
14244 * m88k/luna.h (VERSION_INFO1): Tidy.
14245 * m88k/sysv4.h (VERSION_INFO1): Likewise.
14246 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
14247 (output_file_start): Adjust for death of VERSION_STRING.
14249 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
14251 * cpplib.c (detect_if_not_defined): New function.
14252 (do_if): Use it to detect potential once-only headers.
14254 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
14256 * c-common.c (combine_strings): Always set TREE_CONSTANT.
14258 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
14260 * combine.c (nonzero_bits) : Allow single-ly set registers to be
14261 anywere in the function only if they are pseudos and set before
14262 being used (not live at the start of the function).
14263 (num_sign_bit_copies) : Same.
14264 (get_last_value_validate) : Same.
14265 (get_last_value) : Same.
14267 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
14269 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
14270 where N and M are constant and N is an integer multiple of M.
14272 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14274 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
14275 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
14276 sbitmap_union_of_preds): Add prototypes.
14277 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
14278 the intersection of successors with the new flow graph structures.
14279 (sbitmap_intersection_of_preds): New function to compute the
14280 intersection of predecessors with the new flow graph structures.
14281 (sbitmap_union_of_succs): New function to compute the union of
14282 successors with the new flow graph structures.
14283 (sbitmap_union_of_preds): New function to compute the union of
14284 predecessors with the new flow graph structures.
14285 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
14286 (expr_reaches_here_p): Use edge and basic_block structures instead
14287 of s_preds and s_succs.
14288 (compute_cprop_avinout): Use new sbitmap routines.
14289 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
14290 of s_preds and s_succs.
14291 * flow.c (compute_flow_dominators): Compute dominators using
14292 edges and basic blocks instead of s_preds and s_succs.
14294 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14296 * lists.c (unused_insn_list, unused_expr_list): New file for
14297 maintaining various types of lists. New statics for maintaining a
14298 cache of available INSN_LIST and EXPR_LIST nodes.
14299 (free_list): Static function for freeing a list of INSN/EXPR nodes.
14300 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
14301 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
14302 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
14303 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
14304 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
14305 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
14306 (free_INSN_LIST_node): Free an individual INSN_LIST node.
14307 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
14308 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
14309 (remove_dependence, free_pending_lists): Use new global routines.
14310 (flush_pending_lists, sched_analyze_insn): Use new global routines.
14311 (sched_analyze, compute_block_backward_dependences): Use new routines.
14312 (sched_analyze_1, sched_analyze_2): Use new routines.
14313 (schedule_insns): Use new global routines.
14314 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
14316 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
14317 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
14319 * toplev.c (rest_of_compilation): Initialize node cache.
14320 * Makefile.in (OBJS): Add lists.o to list of object files.
14321 (lists.o): Add dependancies.
14323 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
14325 * config/v850/v850.md: Fix compile time warning messages.
14326 * config/v850/v850.c: Fix compile time warning messages.
14327 * config/v850/v850.h: Fix compile time warning messages.
14329 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14331 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
14332 Remove unused prototype for `init_lengths'.
14334 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14336 * calls.c (emit_call_1): Mark parameter `stack_size' with
14338 (expand_call): Initialize variable `insn'.
14339 (emit_library_call): Likewise for variable `high_to_save'.
14340 (emit_library_call_value): Likewise.
14341 (store_one_arg): Likewise for variables `lower_bound' and
14344 * combine.c (try_combine): Likewise for variables `i2_code_number'
14345 and `other_code_number'.
14346 (find_split_point): Likewise for variables `pos', `unsignedp' and
14348 (simplify_if_then_else): Likewise for variables `op' and `c1'.
14349 (simplify_and_const_int): Remove unused variable `width'.
14350 (merge_outer_ops): Likewise.
14352 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
14353 HOST_WIDE_INT' when comparing against one.
14354 (simplify_relational_operation): Likewise.
14355 (cse_insn): Initialize variables `src_eqv_volatile',
14356 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
14358 * final.c (init_final): Constify parameter `filename'.
14359 (final_start_function): Mark parameter `optimize' with
14361 (profile_function): Likewise for parameters `first' and `optimize'.
14362 (output_source_line): Likewise for parameter `file'.
14364 * integrate.c (subst_constants): Cast a value to `size_t' when
14365 comparing against one.
14366 (mark_stores): Initialize variable `mode'. Cast a value to
14367 `size_t' when comparing against one.
14369 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
14371 * loop.c (move_movables): Initialize variable `first'.
14372 (strength_reduce): Likewise for variable `increment'.
14373 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
14374 value to `size_t' when comparing against one.
14375 (load_mems): Initialize variable `end_label'.
14377 * output.h (init_final): Constify parameter.
14379 * reload.c (decompose): Initialize variable `base'.
14381 * reload1.c (reload): Likewise for variable `is_scalar'.
14382 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
14383 (choose_reload_regs): Initialize variable `mode'.
14384 (emit_reload_insns): Likewise for variable `store_insn'.
14385 (reload_cse_noop_set_p): Mark parameter `insn' with
14387 (reload_combine): Initialize variable `set'.
14389 * unroll.c (unroll_loop): Likewise for variable `local_label'.
14390 (copy_loop_body): Cast a value to `size_t' when comparing against
14393 * varasm.c (assemble_variable): Initialize variable `size_tree'.
14394 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
14395 (remove_from_pending_weak_list): Mark parameter `name' with
14398 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14400 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
14403 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
14405 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
14406 (ASM_DECLARE_FUNCTION_NAME): Define.
14407 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
14408 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
14409 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
14410 not already defined.
14412 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14414 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
14415 of n_popped when call/call_value are not defined.
14417 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
14419 * tm.texi: GNU CC -> GCC conversion.
14420 (CC1_SPEC): Indicate it is used for all language front ends.
14422 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14424 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14425 NOTE_INSN_EH_REGION_END correctly.
14427 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14428 Jeff Law <law@cygnus.com>
14430 * loop.c (strength_reduce): Automatically unroll loops if the
14431 unrolled loop size is smaller than the rolled loop size.
14433 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14434 and delete comment that code should be rewritten.
14436 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14438 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14441 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14443 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14445 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14446 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14447 (LINK_SPEC): Add -u _main when building executables.
14448 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14449 (ASM_FILE_END): Use the default for ix86-pe.
14450 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14452 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14454 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14455 and ASM_CLOSE_PAREN are empty strings.
14457 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14458 Geoffrey Keating <geoffk@cygnus.com>
14460 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14461 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14462 (unprotoize.o): Ditto.
14463 (test-protoize-simple): Don't define STD_PROTO_DIR.
14464 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14465 changes to make 'test-protoize-simple' pass.
14466 (STD_PROTO_DIR): Remove define.
14467 (STANDARD_EXEC_PREFIX): Supply default define.
14468 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14469 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14470 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14471 (GET_ENV_PATH_LIST): New macro.
14472 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14473 (do_processing): Initialize default_syscalls_dir using new
14474 macros. Use it to initialize syscalls_absolute_filename.
14476 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14478 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14479 B into a register before emit_conditional_move.
14481 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14483 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14484 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14485 multiplicand out of (+ (* a b) (* c d)).
14487 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14488 Richard Henderson <rth@cygnus.com>
14490 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14491 (new_insn_dead_notes): Likewise.
14492 (update_n_sets): Likewise.
14493 (update_flow_info): Move to flow.c, renamed to update_life_info;
14494 extend to handle multiple source insns.
14495 * flow.c: Include resource.h
14496 (unlink_insn_chain): New.
14497 (split_hard_reg_notes): New.
14498 (maybe_add_dead_note): New.
14499 (maybe_add_dead_note_use): New.
14500 (find_insn_with_note): New.
14501 (new_insn_dead_notes): New.
14502 (update_n_sets): New.
14503 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14504 (maybe_remove_dead_notes): New.
14505 (update_life_info): New.
14506 (prepend_reg_notes): New.
14507 (replace_insns): New.
14508 * output.h (update_life_info): Declare.
14509 * recog.c (split_block_insns): Use update_life_info.
14510 * resource.c (find_free_register): Use reg_alloc_order, don't use
14511 fixed regs, make sure the mode is supported, don't use new regs.
14513 * rtl.h (replace_insns): Declare.
14515 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14517 * expr.c (expand_expr): Cope with COND_EXPRs with one
14518 non-returning branch.
14520 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14522 * expr.c (store_expr): Always pass down the target, even when not
14525 1999-08-24 Nick Clifton <nickc@cygnus.com>
14527 * configure.in: Define target_cpu_default for v850 targets.
14528 * configure: Regenerate
14530 * config/v850/v850.h (TARGET_CPU_generic): Define.
14531 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14532 addresses are 4 byte aligned.
14534 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14537 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14539 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14540 (main): Add prototypes.
14542 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14543 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14544 (write_attr_get): Emit prototypes along with function definition.
14545 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14546 (write_complex_function): Emit static prototype along with
14547 function definition.
14549 * genemit.c (gen_split): Emit prototypes along with function
14552 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14553 Likewise for predicates and `insn_operand_predicate'.
14554 (process_template): Emit static prototype along with function
14557 * genrecog.c (make_insn_sequence): Constify a char*. Add
14558 prototypes for get_split_*().
14559 (write_subroutine): Emit prototypes along with function
14562 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14564 * gcse.c (find_avail_set): Follow chains of register-register copies.
14565 Use oprs_not_set_p to guarantee that the returned value can be
14567 (cprop_insn): Don't verify the return value of find_avail_set with
14570 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14571 (cprop_cc0_jump): New function.
14572 (cprop_insn): Break out new function cprop_jump and use it.
14573 Also use cprop_cc0_jump for machines with CC0.
14574 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14576 * tree.h (current_function_calls_setjmp,
14577 current_function_calls_longjmp): Delete declarations.
14578 * dsp16xx.c: Include "function.h".
14579 * elxsi.c: Likewise.
14580 * gmicro.c: Likewise.
14581 * h8300.c: Likewise.
14582 * i370.c: Likewise.
14583 * m32r.c: Likewise.
14584 * mn10200.c: Likewise.
14585 * mn10300.c: Likewise.
14586 * ns32k.c: Likewise.
14587 * spur.c: Likewise.
14588 * v850.c: Likewise.
14590 * rtl.h (rtx_equal_function_value_matters): Declare.
14591 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14593 * function.c: Likewise.
14594 * emit-rtl.c: Likewise.
14596 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14598 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14601 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14603 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14606 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14608 * cpp.texi: Add a node documenting macro varargs (copied
14611 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14613 * cppspec.c: Put a null pointer at the end of the new argv.
14615 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14617 * configure.in: Remove code to select/de-select the haifa
14618 scheduler. Every scheduled port gets haifa now.
14619 * configure: Rebuilt.
14620 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14622 * Makefile.in: Corresponding changes.
14624 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14626 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14627 All callers changed.
14628 (prepare_float_lib_cmp): Likewise.
14629 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14630 * expr.h (emit_float_lib_cmp): Delete declaration.
14631 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14632 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14633 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14635 (cmptf): Now conditional on TARGET_HARD_QUAD.
14637 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14639 * resource.c (mark_target_live_regs): Use
14640 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14642 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14644 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14646 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14648 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14650 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14652 * rtl.h (rtx_format): Constify a char*.
14654 * rtl.c (rtx_format): Likewise.
14655 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14656 (init_rtl): Use accessor macro, not `rtx_format'.
14658 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14661 * caller-save.c (mark_referenced_regs): Likewise.
14663 * combine.c (subst, make_compound_operation, known_cond,
14664 gen_rtx_combine, update_table_tick, get_last_value_validate,
14665 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14667 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14668 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14669 count_reg_usage): Likewise.
14671 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14674 * final.c (leaf_renumber_regs_insn): Likewise.
14676 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14677 dump_edge_info, count_reg_references): Likewise.
14679 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14680 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14683 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14684 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14685 add_label_notes): Likewise.
14687 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14688 clear_struct_flag, count_sub_rtxs, count_alternatives,
14689 compares_alternatives_p, contained_in_p, walk_attr_value,
14690 write_expr_attr_cache): Likewise.
14692 * genconfig.c (walk_insn_part): Likewise.
14694 * genemit.c (max_operand_1, gen_exp): Likewise.
14696 * genextract.c (walk_rtx): Likewise.
14698 * genflags.c (num_operands): Likewise.
14700 * genoutput.c (scan_operands): Likewise.
14702 * genpeep.c (match_rtx): Likewise.
14704 * genrecog.c (add_to_sequence): Likewise.
14706 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14709 * integrate.c (save_constants, copy_for_inline,
14710 copy_rtx_and_substitute, subst_constants, restore_constants):
14713 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14714 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14716 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14719 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14720 add_label_notes, replace_call_address, count_nonfixed_reads,
14721 invariant_p, find_single_use_in_loop, find_mem_givs,
14722 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14725 * print-rtl.c (reg_names, print_rtx): Likewise.
14727 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14729 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14730 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14731 print_blocks): Likewise.
14733 * regclass.c (fix_register, record_address_regs,
14734 reg_scan_mark_refs): Likewise.
14736 * regmove.c (stable_but_for_p): Likewise.
14738 * reload.c (loc_mentioned_in_p, operands_match_p,
14739 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14740 copy_replacements, refers_to_regno_for_reload_p,
14741 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14742 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14745 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14746 delete_address_reloads_1, count_occurrences,
14747 reload_cse_mem_conflict_p, reload_combine_note_use,
14748 add_auto_inc_notes): Likewise.
14750 * resource.c (mark_referenced_resources, mark_set_resources):
14753 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14754 reg_mentioned_p, regs_set_between_p, modified_between_p,
14755 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14756 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14757 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14758 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14760 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14762 * stupid.c (stupid_mark_refs): Likewise.
14764 * unroll.c (remap_split_bivs): Likewise.
14766 * varasm.c (mark_constants): Likewise.
14768 * a29k/a29k.c (uses_local_reg_p): Likewise.
14770 * alpha/alpha.c (summarize_insn): Likewise.
14772 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14773 eliminate_lr2ip): Likewise.
14775 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14777 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14778 reg_mentioned_in_mem): Likewise.
14780 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14781 symbolic_reference_mentioned_p): Likewise.
14783 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14785 * sh/sh.c (regs_used, mark_use): Likewise.
14787 * vax/vax.c (vax_rtx_cost): Likewise.
14789 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14791 * machmode.h (mode_name): Constify a char*.
14793 * rtl.c (mode_name): Likewise.
14795 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14797 * optabs.c (init_libfuncs): Constify a char*.
14799 * print-tree.c (mode_name): Remove redundant declaration.
14800 (print_node): Use accessor macro, not `mode_name'.
14802 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14804 (new_spill_reg): Constify a char*.
14806 * tree.c (mode_name): Remove redundant declaration.
14808 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14810 * rtl.c (rtx_name): Constify a char*.
14812 * rtl.h (rtx_name, fix_sched_param): Likewise.
14814 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14815 (mypr): Use accessor macro, not `rtx_name'.
14817 * genemit.c (print_code): Constify a char*.
14819 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14821 * genpeep.c (print_code): Constify a char*.
14823 * genrecog.c (print_code): Likewise.
14825 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14826 end_bb): Add static prototype.
14827 (draw_edge): Constify a char*.
14828 (end_bb): Remove unused parameter.
14830 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14831 print_block_visualization): Constify a char*.
14833 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14835 * c-common.c (c_get_alias_set): Update comment.
14837 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14839 * linux.h (LIB_SPEC): Added.
14841 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14843 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14845 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14847 * tree.c (expr_check): Fix typo in last change.
14849 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14851 * rtl.def (NOTE): Change format to "iuu0n".
14852 (ADDR_DIFF_VEC): Change format to "eEee0".
14853 (ADDRESSOF): Change format to "eit".
14855 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14856 (RTVEC_ELT): Change to match.
14857 (XVECEXP): Use XVEC and RTVEC_ELT.
14858 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14859 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14860 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14861 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14862 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14863 (INTVAL): Use XWINT.
14864 (ADDRESSOF_DECL): Use XTREE.
14865 (SET_ADDRESSOF_DECL): Delete.
14866 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14867 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14868 ifdefed out since 2.6 at least.
14869 (gen_rtvec_vv): Delete prototype.
14871 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14873 (copy_most_rtx): Handle 't' format letter.
14874 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14875 (gen_rtvec_vv): Delete function. All callers changed to use
14876 gen_rtvec_v instead.
14877 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14878 the '0' format letter.
14880 * function.c (gen_mem_addressof): Don't use
14881 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14883 * integrate.c (copy_rtx_and_substitute): Likewise.
14884 Copy 't' slots with XTREE.
14885 (subst_constants): Treat 't' slots like '[swi]' slots.
14886 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14887 * jump.c (rtx_equal_for_thread_p): Likewise.
14888 * rtlanal.c (rtx_equal_p): Likewise.
14889 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14890 only four arguments.
14891 * gengenrtl.c (type_from_format): Provide correct types for
14895 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14896 If a recent gcc is in use (always in stage2 and beyond), use
14897 statement expressions, so we don't make a function call unless
14898 the check fails. Evaluate arguments exactly once.
14899 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14900 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14902 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14903 they evaluate their arguments exactly once, irrespective of
14904 the compiler in use.
14906 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14907 is used by the currently-enabled check macros. This is:
14908 (tree_check_failed, tree_class_check_failed): For gcc.
14909 (tree_check, tree_class_check, cst_or_constructor_check,
14910 expr_check): For other compilers.
14912 * gencheck.c: Do not define any *_CHECK1 macros.
14914 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14915 Mark Mitchell <mark@codesourcery.com>
14917 * c-common.c (c_get_alias_set): Fix support for poitners and
14920 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14922 * alias.c: Include tree.h.
14923 (nonlocal_reference_p, mark_constant_function): New functions.
14924 * flow.c (life_analysis): Call mark_constant_function.
14925 * rtl.h (mark_constant_function): Declare it.
14927 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14929 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14930 unrecognisable switches.
14932 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14934 * loop.c (recombine_givs): Set ix field after sorting.
14935 (recombine_givs): Remove bogus index / giv lockstep looping.
14937 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14939 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14941 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14942 (do_cmp_and_jump): Formatting fixes.
14943 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14944 do_compare_rtx_and_jump instead of compare_from_rtx.
14945 (do_compare_rtx_and_jump): New function; mostly copied from
14947 (do_jump_for_compare): Delete.
14948 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14950 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14951 of compare/do_jump_for_compare pairs.
14952 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14953 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14954 compare_from_rtx/do_jump_for_compare pairs.
14955 (do_jump_by_parts_equality): Likewise.
14956 (do_jump_by_parts_equality_rtx): Likewise.
14957 * expr.h (do_compare_rtx_and_jump): Declare.
14958 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14959 that used to be in emit_cmp_insn.
14960 (cmp_available_p): New function.
14961 (prepare_operand): New function.
14962 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14963 to be in emit_cmp_insn.
14964 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14965 parameters to be pointers; don't emit final compare but modify some of
14966 the values pointed to by the args so the caller can perform the
14967 correct comparison.
14968 (expand_binop): Call emit_store_flag_force with signed forms of
14970 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14971 emit_jump_insn pair.
14972 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14973 emit_cmp_and_jump_insn_1. Call emit_queue.
14974 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14976 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14977 jump sets cc0 before deleting it.
14978 * integrate.c (expand_inline_function): Likewise.
14979 * unroll.c (unroll_loop): Similar changes in several places.
14980 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14981 before deleting it.
14983 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14985 * Makefile.in (insn-recog.o): Update dependencies.
14986 * genrecog.c (main): Make generated file include "function.h".
14988 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14990 * cse.c (cse_insn): Call never_reached_warning when a jump is
14991 changed to be unconditional.
14992 * flags.h: Declare warn_notreached.
14993 * flow.c (delete_block): Call never_reached_warning when
14994 a block is deleted.
14995 * jump.c (delete_barrier_successors): Call never_reached_warning
14996 when we delete everything after a BARRIER.
14997 (never_reached_warning): New function.
14998 * rtl.h: Declare never_reached_warning.
14999 * toplev.c (warn_notreached): New variable.
15000 (lang_independent_options): Set warn_notreached
15001 when -Wunreachable-code.
15002 (compile_file): We need line numbers for -Wunreachable-code.
15004 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
15006 * haifa-sched.c (insn_unit): Fix typo on out of range test.
15007 * sched.c (insn_unit): Likewise.
15009 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
15011 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
15013 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15015 * flow.c (create_edge_list): Use xmalloc, not malloc.
15017 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
15019 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
15020 C-style comments. Do not lose the character before double slash.
15022 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15024 * basic-block.h (struct edge_list): Stucture to maintain a vector
15026 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
15027 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
15028 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
15029 New function prototypes.
15030 * flow.c (create_edge_list): Function to create an edge list.
15031 (free_edge_list): Discards memory used by an edge list.
15032 (print_edge_list): Debug output showing an edge list.
15033 (verify_edge_list): Internal consistency check for an edge list.
15034 (find_edge_index): Function to find an edge index for a pred and succ.
15036 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
15038 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
15041 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
15043 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
15045 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15047 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15049 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
15051 * toplev.c (rest_of_compilation): Allow machine dependent
15052 reorganisation pass to place information into the RTL dump
15053 file if it so wishes.
15055 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
15057 * explow.c (hard_function_value): Use VOIDmode instead of
15059 * stmt.c (expand_return): Likewise.
15060 * stor-layout.c (get_best_mode): Likewise.
15062 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
15063 emit call instead of emit_insn call.
15065 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
15067 * configure.in: Handle --disable/enable-win32-registry.
15068 * install.texi: Document --disable/enable-win32-registry.
15069 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
15070 (WIN32_REGISTRY_KEY): New macro.
15071 * prefix.c: Use to enable/disable win32-specific code.
15072 (lookup_key): Use versioned key.
15073 * configure: Regenerate.
15074 * config.in: Likewise.
15076 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
15078 * cpplib.c (read_line_number): New fn, split out of...
15081 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
15083 tree.c (lang_unsave_expr_now) : New.
15084 (unsave_expr_now): Call lang_unsave_expr_now.
15085 tree.h (lang_unsave_expr_now) : New.
15087 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
15089 * toplev.c (flag_new_exceptions): On by default.
15091 1999-08-13 Michael Meissner <meissner@cygnus.com>
15093 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
15095 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15097 * dwarfout.c (fundamental_type_code): Return FT_boolean for
15098 INTEGER_TYPE with precision==1, it's __java_boolean.
15100 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15102 * global.c (prune_preferences): Move some invariants out of the
15105 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
15107 * configure.in (alpha*-dec-osf*): Add osf5.
15109 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
15111 * configure.in: Rework handling of ARM GNU/Linux slightly.
15112 (arm*-*-linux-gnuoldld): New target.
15113 * configure: Regenerate.
15114 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
15115 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
15116 * config/arm/linux-oldld.h: New file.
15117 * config/arm/linux-elf26.h: Don't include linux-elf.h.
15118 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
15120 * config/arm/linux-elf.h (ASM_SPEC): Define.
15121 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
15122 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
15123 for 26-bit APCS and old linker.
15124 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
15126 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
15127 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
15128 don't define `arm' or `arm_elf'.
15129 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
15130 MULTILIB_DIRNAMES): Define. Fix typo in comment.
15132 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
15134 * rtl.texi: Fix typo.
15136 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
15138 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
15140 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
15142 * extend.texi (C++ Signatures): Remove node.
15143 * invoke.texi: Remove discussion of -fhandle-signatures,
15144 signature, sigof, __signature__, and __sigof__.
15146 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
15148 * Makefile.in (JAVAGC): Removed.
15150 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
15152 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15154 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
15156 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15158 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
15160 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
15161 a register that is already known to be a pointer.
15163 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
15165 * fixinc/inclhack.tpl: Only install assert.h conditionally.
15166 * fixinc/inclhack.sh: Regenerated.
15167 * fixinc/fixincl.sh: Regenerated.
15169 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
15171 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
15172 Fix documentation of -ansi flag to describe its C++ behavior.
15173 Remove bogus reference to GCC 2.9.
15175 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
15177 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
15178 note if it is non-NULL.
15180 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15182 * except.h (eh_nesting_info): Add new structure defintion.
15183 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
15184 (reachable_handlers, update_rethrow_references): Add function
15186 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
15187 a rethrow symbol instead of an integer exception region number.
15188 * flow.c (Make_edges): Use new exception nesting routines to determine
15189 which handlers are reachable from a CALL or asynchronous insn.
15190 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
15192 (delete_eh_regions): Update rethrow labels, and don't delete
15193 regions which are the target of a rethrow.
15194 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
15195 avoid overloading the SYMBOL_REF_USED flag.
15196 (rethrow_symbol_map): Use new rethrow_ref field.
15197 (rethrow_used): Use new rethrow_ref field.
15198 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
15199 of an integer. Fix formatting.
15200 (output_exception_table_entry): Use new rethrow_ref field.
15201 (can_throw): Check for EH_REGION_NOTE before deciding
15202 whether a CALL can throw or not.
15203 (scan_region): Call rethrow_used() instead of accessing data structure.
15204 (update_rethrow_references): New function to make sure only regions
15205 which are still targets of a rethrow are flagged as such.
15206 (process_nestinfo): New static function to initialize a handler
15207 list for a specific region.
15208 (init_eh_nesting_info): New function to allocate and initialize
15209 the list of all EH handlers reachable from all regions.
15210 (reachable_handlers): New function to retrieve the list of handlers
15211 reachable from a specific region and insn.
15212 (free_eh_nesting_info): New function to dispose of a list of
15213 reachable handlers.
15215 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15217 * flow.c (split_edge): Set JUMP_LABEL field.
15218 (commit_one_edge_insertion): Set head correctly for insert_before.
15219 When inserting insns, update insn block numbers if allocated.
15221 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15223 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
15224 retry_incomplete_types): Add static prototype.
15225 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
15226 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
15227 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
15228 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
15229 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
15232 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
15233 dwarf2out_start_source_file, dwarf2out_line): Likewise.
15235 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15237 * output.h (assemble_name): Constify a char*.
15239 * varasm.c (UNIQUE_SECTION, assemble_start_function,
15240 assemble_variable, assemble_name): Likewise.
15242 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
15244 * arm/pe.c (arm_pe_unique_section): Likewise.
15246 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
15248 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
15250 * i386/interix.c (i386_pe_unique_section): Likewise.
15252 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
15254 * i386/winnt.c (i386_pe_unique_section): Likewise.
15256 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
15258 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
15260 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
15262 * pa/pa.c (output_call): Likewise.
15264 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
15266 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
15268 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
15271 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
15274 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
15276 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
15277 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
15279 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
15281 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15283 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
15285 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15287 * tree.h (lang_identify): Constify a char*.
15288 (print_error_function): Add extern prototype. Constify a char*.
15290 * c-lang.c (lang_identify): Constify a char*.
15292 * objc/objc-act.c (lang_identify): Constify a char*.
15294 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15296 * genpeep.c (main): Make generated file include "function.h".
15297 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
15299 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15301 * Makefile.in: Update dependencies.
15302 * alias.c: Include "function.h"
15303 * c-decl.c: Likewise.
15304 * caller-save.c: Likewise.
15305 * calls.c: Likewise.
15306 * combine.c: Likewise.
15308 * explow.c: Likewise.
15309 * final.c: Likewise.
15310 * global.c: Likewise.
15311 * graph.c: Likewise.
15312 * local-alloc.c: Likewise.
15313 * loop.c: Likewise.
15314 * optabs.c: Likewise.
15315 * profile.c: Likewise.
15316 * recog.c: Likewise.
15317 * regclass.c: Likewise.
15318 * regmove.c: Likewise.
15319 * reload.c: Likewise.
15320 * reorg.c: Likewise.
15321 * resource.c: Likewise.
15322 * sched.c: Likewise.
15323 * stupid.c: Likewise.
15324 * config/1750a/1750a.c: Likewise.
15325 * config/a29k/a29k.c: Likewise.
15326 * config/arc/arc.c: Likewise.
15327 * config/arm/arm.c: Likewise.
15328 * config/arm/thumb.c: Likewise.
15329 * config/c4x/c4x.c: Likewise.
15330 * config/clipper/clipper.c: Likewise.
15331 * config/convex/convex.c: Likewise.
15332 * config/fx80/fx80.c: Likewise.
15333 * config/i860/i860.c: Likewise.
15334 * config/m68k/m68k.c: Likewise.
15335 * config/m88k/m88k.c: Likewise.
15336 * config/mips/mips.c: Likewise.
15337 * config/pdp11/pdp11.c: Likewise.
15338 * config/pyr/pyr.c: Likewise.
15339 * config/romp/romp.c: Likewise.
15340 * config/sh/sh.c: Likewise.
15341 * config/tahoe/tahoe.c: Likewise.
15342 * config/vax/vax.c: Likewise.
15343 * config/we32k/we32k.c: Likewise.
15344 * config/sparc/sparc.c: Include "function.h".
15345 (mem_min_alignment): Test current_function rather than
15346 regno_pointer_align.
15347 * config/pa/pa.c: Likewise.
15348 (compute_frame_size): Delete declaration of
15349 current_function_outgoing_args_size.
15350 * config/arc/arc.h (current_function_varargs): Delete declaration.
15351 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
15353 * config/i370/i370.h (current_function_outgoing_args_size): Delete
15355 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
15356 current_function_uses_pic_offset_table.
15357 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
15358 of current_function_returns_pointer.
15359 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15360 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15361 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15362 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15363 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15364 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15365 * config/m88k/m88k.c: Include "function.h"
15366 (call_used_regs, current_function_pretend_args_size,
15367 current_function_outgoing_args_size, frame_pointer_needed): Delete
15369 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
15371 * config/mips/mips.h (current_function_calls_alloca): Delete
15373 * config/mn10200/mn10200.h (current_function_needs_context,
15374 rtx_equal_function_value_matters): Delete declarations.
15375 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
15376 flag_pic): Delete declarations.
15377 * config/pa/pa.h (current_function_pretend_args_size,
15378 current_function_decl): Delete declarations.
15379 * config/pa/som.h (current_function_varargs): Delete declaration.
15380 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
15382 * config/pyr/pyr.h (current_function_pretend_args_size,
15383 current_function_args_size, current_function_calls_alloca): Delete
15385 * config/sh/sh.h (current_function_varargs): Delete declaration.
15386 * config/sparc/sparc.h (current_function_outgoing_args_size,
15387 current_function_calls_alloca, current_function_decl): Delete
15389 * config/spur/spur.h (current_function_pretend_args_size,
15390 current_function_calls_alloca): Delete declarations.
15391 * config/v850/v850.c (current_function_outgoing_args_size): Delete
15393 * config/vax/vms.h (current_function_name): Delete declaration.
15394 * gcse.c: Include "function.h".
15395 (current_function_name, current_function_calls_setjmp): Delete
15397 * haifa-sched.c: Include "function.h".
15398 (forced_labels): Delete declaration.
15399 * jump.c: Likewise.
15400 * reg-stack.c: Likewise.
15401 * reload1.c: Likewise.
15402 * genemit.c (main): Make generated file include function.h.
15403 * genoutput.c (output_prologue): Likewise.
15405 * builtins.c (saveregs_value, apply_args_value): Delete variables.
15406 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
15407 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
15408 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
15409 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
15410 macros for some of them.
15411 (emit_filename, emit_lineno): Delete declarations.
15412 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
15413 regno_pointer_* variables through current_function.
15414 (gen_inline_header_rtx): Delete function.
15415 (save_emit_status): Delete function.
15416 (set_new_last_label_num): New function.
15417 (clear_emit_caches): New function.
15418 (restore_emit_status): Just clear last_labelnum and call
15420 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15421 through macro seq_stack.
15422 (add_insn_after): Likewise.
15423 (add_insn_before): Likewise.
15424 (remove_insn): Likewise.
15425 (pop_topmost_sequence): Likewise.
15426 (in_sequence_p): Likewise.
15427 (start_sequence_for_rtl_expr): Likewise.
15428 (start_sequence): Likewise, and likewise for
15429 sequence_rtl_expr/seq_rtl_expr.
15430 (push_topmost_sequence): Likewise.
15431 (end_sequence): Likewise.
15432 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15433 All callers changed. Store into that pointer instead of globals.
15434 (init_emit): Allocate emit elt of current_function.
15435 Changes for sequence_rtl_expr/sequence_stack renaming.
15436 Call clear_emit_caches instead of doing it in-line.
15437 Access regno_pointer_* variables through current_function.
15438 (init_emit_once) Don't clear sequence_stack.
15440 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15442 (arg_pointer_save_area): Delete declaration.
15443 (finish_expr_for_function): Renamed from init_queue; no longer static.
15444 (init_expr): Don't call init_queue.
15445 (save_expr_status, restore_expr_status): Delete functions.
15446 (expand_expr): Changes to reflect new layout of struct function.
15447 Don't access current_function_check_memory_usage when current_function
15449 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15450 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15451 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15452 current_function_uses_const_pool, function_call_count,
15453 current_function_uses_pic_offset_table, nonlocal_labels,
15454 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15455 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15456 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15458 (finish_expr_for_function): Declare.
15459 * flags.h (current_function_has_nonlocal_label,
15460 current_function_has_nonlocal_goto, current_function_is_thunk,
15461 current_function_has_computed_jump): Delete declarations.
15462 * flow.c (forced_labels): Delete declaration.
15463 * function.c (current_function_pops_args,
15464 current_function_returns_struct, current_function_returns_pcc_struct,
15465 current_function_needs_context, current_function_calls_setjmp,
15466 current_function_calls_longjmp, current_function_has_nonlocal_label,
15467 current_function_has_nonlocal_goto, current_function_is_thunk,
15468 current_function_has_computed_jump, current_function_calls_alloca,
15469 current_function_contains_functions, current_function_returns_pointer,
15470 current_function_epilogue_delay_list, current_function_args_size,
15471 current_function_pretend_args_size, current_function_arg_offset_rtx,
15472 current_function_outgoing_args_size, current_function_varargs,
15473 current_function_stdarg, current_function_args_info, cleanup_label,
15474 current_function_name, current_function_uses_const_pool,
15475 current_function_instrument_entry_exit, current_function_return_rtx,
15476 current_function_uses_pic_offset_table, nonlocal_labels,
15477 current_function_internal_arg_pointer, current_function_cannot_inline,
15478 current_function_check_memory_usage, function_call_count,
15479 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15480 nonlocal_goto_stack_level, return_label, save_expr_regs,
15481 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15482 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15483 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15484 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15485 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15487 (push_function_context_to): Don't save them. Don't call
15488 save_storage_status, save_emit_status or save_expr_status.
15489 (pop_function_context_from): Don't restore them. Don't call
15490 restore_storage_status or restore_expr_status.
15491 (get_func_frame_size): New function.
15492 (get_frame_size): Use it.
15493 (assign_outer_stack_local): Reflect some member name changes in struct
15495 (put_reg_into_stack): Likewise.
15496 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15498 (fixup_var_refs): Likewise.
15499 (fix_lexical_addr): Likewise.
15500 (trampoline_address): Likewise.
15501 (prepare_function_start): Clear field inlinable of current_function.
15502 (init_function_for_compilation): New function.
15503 (expand_dummy_function_end): New function.
15504 (expand_function_end): Call finish_expr_for_function.
15505 * function.h (struct emit_status): New; fields moved here from struct
15506 function and from global variables. Add accessor macros for some of
15508 (struct expr_status): Likewise.
15509 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15510 (struct function): Add fields expr and emit, inlinable, inl_emit,
15511 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15512 inl_max_label_num. Add many comments.
15513 Add accessor macros for all elts of struct function that no longer
15514 have a global variable.
15515 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15516 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15517 stack_slot_list): Delete declarations.
15518 (get_func_frame_size): Declare.
15519 (save_expr_status, restore_expr_status, save_emit_status,
15520 save_storage_status, restore_storage_status): Delete declarations.
15521 (init_virtual_regs): Declare.
15522 * output.h (current_function_pops_args,
15523 current_function_returns_struct, current_function_returns_pcc_struct,
15524 current_function_needs_context, current_function_calls_setjmp,
15525 current_function_calls_longjmp, current_function_calls_alloca,
15526 current_function_has_nonlocal_label, current_function_varargs,
15527 current_function_has_computed_jump, current_function_returns_pointer,
15528 current_function_contains_functions, current_function_args_size,
15529 current_function_pretend_args_size, current_function_stdarg,
15530 current_function_outgoing_args_size, current_function_args_info,
15531 current_function_name, current_function_return_rtx,
15532 current_function_epilogue_delay_list,
15533 current_function_uses_const_pool, current_function_cannot_inline):
15534 Delete declarations.
15535 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15536 regno_reg_rtx): Delete declaration.
15537 (REGNO_POINTER_FLAG): Delete macro.
15538 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15539 function were renamed.
15540 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15542 * toplev.c: Include "function.h".
15543 (current_function_decl): Delete declaration.
15544 (compile_file): Call init_dummy_function_start and
15545 expand_dummy_function_end around some initializations that need to
15547 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15548 Call init_function_for_compilation.
15549 * unroll.c: Include "function.h"
15550 (unroll_loop): Access regno_pointer_* variables through
15553 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15554 (DECL_SAVED_INSNS): use it.
15555 (expand_dummy_function_end): Declare.
15556 (init_function_for_compilation): Declare.
15557 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15558 that it's no longer an INLINE_HEADER.
15559 (expand_call): Likewise.
15560 * integrate.c (finish_inline): Delete function.
15561 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15562 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15563 args. Don't generate an INLINE_HEADER rtx, just return the arg
15564 vector. All callers changed.
15565 (save_for_inline_copying): Create a duplicate struct emit_status to
15566 hold the emit state for compiling the current function. Use this and
15567 the other new fields in struct function that are for integration
15568 instead of an INLINE_HEADER.
15569 Use memcpy instead of bcopy.
15570 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15571 (save_for_inline_nocopy): Similar changes, except no new emit_status
15573 (expand_inline_function): Get information from function structure,
15574 not from an inline header rtx.
15575 (output_inline_function): Lose code to extract the necessary
15576 information from an inline header; simply put back the function
15577 structure into current_function. Clear its inlinable elt.
15578 * rtl.def (INLINE_HEADER): Delete.
15579 * rtl.h: Delete all accessors for an INLINE_HEADER.
15580 (gen_inline_header_rtx): Delete declaration.
15581 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15582 Delete declarations.
15583 (REGNO_POINTER_ALIGN): Delete.
15584 (clear_emit_caches): Declare.
15585 (set_new_last_label_num): Declare.
15587 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15589 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15591 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15592 * stmt.c (is_eh_region): Make sure current_function is present, too.
15594 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15596 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15597 for 64bit PA targets.
15599 * pa.h (SELECT_SECTION): Define.
15600 * som.h (SELECT_SECTION): Delete.
15602 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15604 * alias.c (init_alias_analysis): Wrap call to
15605 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15607 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15609 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15610 <sys/asm.h> contains an asm comment with an apostrophe
15611 * fixinc/inclhack.sh: regen
15612 * fixinc/fixincl.x: regen
15614 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15616 * function.c (init_function_start): Clear prologue & epilogue.
15617 (prologue_epilogue_contains): New function.
15618 * alias.c (init_alias_analysis): Use it.
15619 * rtl.h (prologue_epilogue_contains): Declare it.
15621 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15623 * jump.c (onlyjump_p): New function.
15624 * rtl.h: Declare it.
15625 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15626 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15628 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15630 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15631 to invert loops. Simplify block scanning.
15633 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15635 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15636 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15638 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15640 * config/sparc/liteelf.h: New file to support sparclite-elf target
15641 * config/sparc/t-sp86x: New file to support sparc86x targets
15642 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15643 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15644 * configure.in: Support above target triplets
15645 * configure: Regenerated
15647 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15649 * fixinc/server.c (server_setup): Do not prefix function used as
15650 parameter with `&'.
15652 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15654 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15655 Remove fp reg alternatives.
15657 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15659 * Makefile.in (TAROUTOPTS): Kill.
15660 (install-headers-tar): Use "xpf" for tar headerfile extraction
15661 * i370/x-oe (TAROUTOPTS): Delete.
15662 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15663 * m68k/x-hp320 (TAROUTOPTS): Delete.
15664 * m68k/x-hp320g (TAROUTOPTS): Delete.
15665 * gcc.texi: Update bug reporting text.
15667 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15669 * reg-stack.c (change_stack) Fixed problem with negative array index.
15671 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15673 * extend.texi, install.texi: Fix spelling mistakes.
15675 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15676 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15677 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15678 PREMADE_ATTRTAB_MD.
15679 * mips/t-ecoff: Likewise.
15680 * mips/t-elf: Likewise.
15681 * mips/t-mips: Likewise.
15682 * mips/t-osfrose: Likewise.
15683 * mips/t-r3900: Likewise.
15684 * mips/t-svr3: Likewise.
15685 * mips/t-svr4: Likewise.
15686 * mips/t-ultrix: Likewise.
15688 * gcc.texi: Document recommend means to provide software floating
15689 point libraries in libgcc.a
15691 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15693 * c-lex.c (yylex): We can have a number with no digits.
15695 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15697 * jump.c (delete_prior_computation): New function, broken
15698 out of delete_computation. Check for side effects with
15699 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15700 multi-word hard registers.
15701 (delete_computation): Use it. Check for side effects with
15702 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15703 missing REG_DEAD note for a register which is both set and
15706 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15708 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15709 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15710 (ASM_FILE_START): Import _mcount with the right type.
15711 (ASM_DECLARE_FUNCTION_NAME): Define.
15712 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15713 * pa.c (output_function_prologue): Always emit the function's label
15715 * pa.h (TEXT_SPACE_P): Define.
15716 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15717 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15718 * som.h (TEXT_SPACE_P): Delete.
15719 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15720 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15722 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15724 * expr.c (emit_group_load): Allow src to be a CONCAT.
15726 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15728 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15729 (___mulsi3): Use '!' comment character.
15731 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15733 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15735 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15737 * gcc.c: Update URLs and mail addresses.
15738 * gcc.texi: Likewise.
15740 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15742 * rs6000.c (current_file_function_operand): Return zero for
15744 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15746 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15749 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15751 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15752 allocate space in the stack frame for the PIC register.
15754 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15756 * m68k.md (xordi3, anddi3): These patterns are not available on
15759 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15761 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15762 (PUT_REAL): Likewise.
15764 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15766 * final.c (shorten_branches): Don't add an alignment for loops
15767 that have no label inside.
15769 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15771 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15772 prototypes in macro HAVE_cmpstrsi.
15774 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15776 * emit-rtl.c (operand_subword): Remove unused variable
15779 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15781 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15783 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15785 * cpphash.c (macroexpand): Delete leading whitespace when arg
15786 is concatenated before.
15787 (unsafe_chars): Correct test for whether + and - can extend a
15790 * cppinit.c (cpp_start_read): Do dependencies for
15791 -include/-imacros files also.
15793 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15794 tokenizing non-directive lines.
15795 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15796 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15799 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15801 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15803 * c-lex.c: Sync with C++ frontend.
15804 (linemode): New variable.
15805 (parse_float): imag, conversion_errno, and type are output only.
15806 (yylex): Adjust. Move initial '.' case into main switch.
15808 (handle_generic_pragma): Just deal with tokens.
15809 (readescape): Use ISXDIGIT and ISGRAPH.
15810 * c-parse.in: Add END_OF_LINE token.
15812 * c-lex.c (lang_init): Generalize.
15813 (nextchar): Remove. Replace uses with UNGETC.
15814 (skip_white_space): Handle linemode here. Optimize for cpplib.
15815 (skip_white_space_on_line): Remove.
15816 (extend_token_buffer_to): New fn.
15817 (extend_token_buffer): Use it.
15818 (read_line_number, check_newline): Just deal with tokens.
15819 (token_getch, token_put_back): New fns.
15820 (yylex): Use them. More cpplib optimizations. Simplify.
15822 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15823 Jason Merrill <jason@yorick.cygnus.com>
15825 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15826 (consume_string): Make this smart about USE_CPPLIB.
15827 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15828 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15829 Also, clean up cases where we redundantly set token_buffer[0].
15830 (read_line_number): New fn.
15831 (ignore_escape_flag): New variable.
15833 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15835 * a29k/t-a29kbare: Fix some comments.
15836 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15837 (FPBIT, DPBIT): Define.
15838 * a29k/t-vx29k: Likewise.
15839 * arc/t-arc: Likewise.
15840 * arm/t-arm-elf: Likewise.
15841 * arm/t-bare: Likewise.
15842 * arm/t-pe: Likewise.
15843 * arm/t-pe-thumb: Likewise.
15844 * arm/t-semi: Likewise.
15845 * arm/t-thumb: Likewise.
15846 * arm/t-thumb-elf: Likewise.
15847 * arm/t-thumb-linux: Likewise.
15848 * h8300/t-h8300: Likewise.
15849 * i960/t-i960: Likewise.
15850 * i960/t-vxworks960: Likewise.
15851 * m32r/t-m32r: Likewise.
15852 * mips/t-ecoff: Likewise.
15853 * mips/t-elf: Likewise.
15854 * mips/t-r3900: Likewise.
15855 * pa/t-pro: Likewise.
15856 * rs6000/t-aix43: Likewise.
15857 * rs6000/t-beos: Likewise.
15858 * rs6000/t-newas: Likewise.
15859 * rs6000/t-ppccomm: Likewise.
15860 * rs6000/t-rs6000: Likewise.
15861 * rs6000/t-winnt: Likewise.
15862 * rs6000/t-xnewas: Likewise.
15863 * rs6000/t-xrs6000: Likewise.
15864 * sh/t-sh: Likewise.
15865 * sparc/t-elf: Likewise.
15866 * sparc/t-sparcbare: Likewise.
15867 * sparc/t-sparclite: Likewise.
15868 * sparc/t-splet: Likewise.
15869 * v850/t-v850: Likewise.
15870 * mn10200/t-mn10200: Fix comments.
15871 * mn10300/t-mn10300: Likewise.
15873 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15874 dummy operand. Allocate a new pseudo for the dummy operand.
15875 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15877 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15879 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15881 * configure: Rebuilt.
15882 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15884 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15886 * recog.c (preproces_constraints): Zero recog_op_alt before
15887 processing the constraints.
15889 * arm.c (typedef minipool_node): Renamed from pool_node.
15890 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15891 (add_minipool_constant): New function.
15892 (dump_minipool): New function.
15893 (find_barrier): Remove special case for getting the insn size of
15894 an insn that references the constant pool.
15895 (minipool_fixup): New structure.
15896 (push_minipool_barrier): New function.
15897 (push_minipool_fix): New function.
15898 (note_invalid_constants): New function.
15899 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15900 (arm_reorg): Rewrite code to fix up the constant pool into a
15901 series of mini-pools embedded in the insn stream.
15902 (arm_output_epilogue): New function, made mainly from the body
15903 of output_func_epilogue.
15904 (output_func_epilogue): Move insn generation part of epilogue code
15905 to arm_output_epilogue.
15906 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15907 * arm.md (pool_range): New attribute.
15908 (zero_extendqidi2): Add attribute pool_range.
15909 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15910 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15911 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15912 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15913 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15914 (epilogue): New expand.
15915 (epilogue_insn): New insn. Call arm_output_epilogue.
15917 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15918 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15920 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15922 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15924 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15926 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15928 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15930 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15932 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15934 * global.c: Fix comment.
15936 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15938 * gcc.c (access_check): New static function.
15939 (find_a_file): Use it when searching a directory list.
15940 * collect2.c (find_a_file): Don't accept directories found when
15941 searching a directory list.
15943 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15945 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15946 function parameters with `&'.
15947 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15949 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15951 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15952 or tidy_fallthru_edge if the last insn in the block is not
15953 an unconditional jump or a simple conditional jump.
15955 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15957 * Makefile.in (c-decl.o): Depends on defaults.h.
15959 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15961 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15963 (CLASS_MAX_NREGS): Likewise.
15965 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15967 * cse.c (cse_insn): Fix dumb thinko in last change.
15969 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15971 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15974 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15976 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15977 test for sizes of passed and declared parameter types.
15979 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15981 * fixincludes: Fix the return type of bsearch, char* -> void*.
15983 * fixinc/inclhack.def: Likewise.
15985 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15987 * invoke.texi (-fdump-translation-unit): New option.
15989 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15991 * expr.h (PROMOTE_PROTOTYPES): Move ...
15992 * defaults.h: ... to here.
15993 * c-decl.c: Include defaults.h instead of expr.h.
15994 * c-typeck.c: Include defaults.h.
15996 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15998 * toplev.h (errorcount): Declare.
15999 (warningcount): Likewise.
16000 (sorrycount): Likewise.
16001 * c-lex.c (errorcount): Don't declare.
16002 * dwarf2out.c (errorcount): Don't declare.
16004 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
16006 * config/libgloss.h: Add a note discouraging use with ELF.
16007 * configure.in: Don't use libgloss.h for ELF targets.
16008 Always use_collect2 on a.out targets.
16010 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
16012 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
16013 (force_to_mode, case ASHIFTRT): Add shiftrt label.
16015 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16017 * loop.c (strength_reduce): When doing biv->giv conversion, update
16018 reg note of NEXT->insn.
16020 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16022 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
16024 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16026 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
16027 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
16028 Ensure expr.h is included.
16029 * c-typecheck.c (convert_arguments): Ditto.
16031 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
16033 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
16034 * config/convex/convex.h: Ditto.
16035 * config/dsp16xx/dsp16xx.h: Ditto.
16036 * config/fx80/fx80.h: Ditto.
16037 * config/gmicro/gmicro.h: Ditto.
16038 * config/i370/i370.h: Ditto.
16039 * config/i386/i386.h: Ditto.
16040 * config/m32r/m32r.h: Ditto.
16041 * config/m68k/m68k.h: Ditto.
16042 * config/m88k/m88k.h: Ditto.
16043 * config/mips/mips.h: Ditto.
16044 * config/pa/pa.h: Ditto.
16045 * config/pyr/pyr.h: Ditto.
16046 * config/tahoe/tahoe.h: Ditto.
16047 * config/we32k/we32k.h: Ditto.
16049 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
16050 based on arch size.
16052 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
16054 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
16057 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
16059 1999-08-02 Richard Henderson <rth@cygnus.com>
16061 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
16062 for the register spill block.
16063 (m32r_va_arg): New.
16064 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
16065 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
16067 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
16068 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
16069 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
16071 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16073 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
16074 MAX_WCHAR_TYPE defined in sparc.h.
16075 * config/sparc/linuxaout.h: Likewise.
16076 * config/sparc/linux64.h: Likewise.
16077 Also default to -mvis if CPU is UltraSPARC.
16079 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16081 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
16082 (RTX_OK_FOR_OLO10): Likewise.
16083 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
16084 %lo(), allow it in addresses...
16085 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
16086 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
16087 does not make sense.
16088 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
16089 (sparc_output_scratch_registers): New function.
16090 (output_function_prologue, sparc_flat_output_function_prologue): Use
16092 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
16094 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
16095 * configure.in: Add check for .register pseudo-op support in as and
16096 check for offsetable %lo().
16097 * acconfig.h: Add templates for the above checks.
16098 * configure: Regenerate.
16100 1999-08-02 Richard Henderson <rth@cygnus.com>
16102 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
16103 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
16104 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
16106 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16108 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16111 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16113 * config/float-sparc.h: New file.
16114 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
16115 sparc-*-linux-gnu and sparc64-*-linux*.
16117 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16119 * rs6000.c (rs6000_va_list): Type is an array.
16120 (rs6000_va_start): Don't doubly adjust for varargs.
16121 (rs6000_va_arg): Evaluate long long GPR adjustment.
16123 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
16125 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
16126 -maix64 and -maix32.
16127 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
16128 LINK_SPEC): Change appropriately.
16129 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
16130 (u_short_cint_operand): Likewise.
16131 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
16133 * rs6000/t-aix43 (MULTILIB): Change to -m64.
16135 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
16137 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
16139 * rs6000/rs6000.c (num_insns_constant_wide): Correct
16140 for type promotion.
16141 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
16142 (non_add_cint_operand): Likewise.
16143 (logical_operand): Likewise.
16144 (non_logical_cint_operand): Likewise.
16145 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
16146 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
16147 (rs6000_select_rtx_section): Suppress warning.
16148 (small_data_operand): Suppress warning.
16149 (rs6000_got_register): Suppress warning.
16150 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
16151 type, so `J' is generally the wrong constraint for a SImode value;
16153 (andsi3_internal2): Likewise.
16154 (andsi3_internal3): Likewise.
16155 (iorsi3_internal1): Likewise.
16156 (xorsi3_internal1): Likewise.
16158 (movsf_softfloat): Likewise.
16159 (scc insns): Likewise.
16160 (movsi+2): Preserve sign bits of SImode constant.
16161 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
16162 (movdf+1): Sign-extend properly.
16163 (movdi_32+1): Sign-extend properly.
16164 (scc insns): Sign-extend properly.
16166 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
16169 1999-08-02 Richard Henderson <rth@cygnus.com>
16171 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
16172 -mcpu parsing code.
16173 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
16174 * alpha.md (all fp insns): Likewise.
16176 1999-08-02 Nick Clifton <nickc@cygnus.com>
16178 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
16181 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
16183 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
16184 pic_load_label generator directly.
16185 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
16186 No longer a named pattern.
16188 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
16190 * explow.c (force_reg): Call force_operand if X does not
16191 satisfy general_operand.
16193 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
16195 * fix-header.c (main): When testing for CONTINUED, use string
16196 equality, not pointer equality.
16198 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
16200 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
16202 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
16204 * cse.c (cse_insn): Fix loop which deletes insns after a jump
16205 that has become an unconditional jump.
16207 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
16208 (output_function_epilogue): Similarly.
16210 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16212 * tree.h (init_dummy_function_start): Declare.
16214 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16216 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
16217 last_expr_type, last_expr_value, block_start_count, block_stack,
16218 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
16219 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
16220 dynamically in stmt elt of struct function for each function.
16221 (struct nesting): Rename function_call_count elt to n_function_calls,
16222 target_temp_slot_level to block_target_temp_slot_level. All users
16224 (struct stmt_status): New structure definition.
16225 Add many accessor macros for stmt_status elements which previously
16226 were global variables.
16227 (init_stmt_for_function): Allocate stmt elt for current_function.
16228 Reflect that block_start_count was renamed to
16229 current_block_start_count.
16230 (save_stmt_status, restore_stmt_status): Delete functions.
16231 (preserve_subexpressions_p): Don't access loop_stack when outside
16233 (expand_start_bindings): Reflect that block_start_count was renamed to
16234 current_block_start_count.
16235 (expand_fixup): Likewise.
16236 (expand_decl): Don't access block_stack when outside a function.
16237 (expand_decl_cleanup): Likewise.
16238 (expand_dcc_cleanup): Likewise.
16239 (expand_dhc_cleanup): Likewise.
16240 (expand_anon_union_decl): Likewise.
16241 (set_file_and_line_for_stmt): New function.
16242 (in_control_zone_p): New function.
16244 * function.h (struct function): Add new elt stmt.
16245 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
16246 case_stack, nesting_stack, nesting_depth, block_start_count,
16247 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
16248 emit_lineno, goto_fixup_chain.
16249 (save_eh_status, restore_eh_status, save_stmt_status,
16250 restore_stmt_status): Delete declarations.
16251 * function.c (push_function_context_to): Don't call save_stmt_status.
16252 (pop_function_context_to): Don't call restore_stmt_status.
16253 * tree.h (in_control_zone_p): Declare.
16254 * rtl.h (set_file_and_line_for_stmt): Declare.
16256 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
16257 call set_file_and_line_for_stmt.
16259 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
16261 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
16262 Also update copyright.
16264 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16266 * c-pragma.c: Don't include "except.h".
16267 * emit-rtl.c: Likewise.
16268 * stor-layout.c: Likewise.
16269 * tree.c: Likewise.
16270 * varasm.c: Likewise.
16272 * flow.c: Include "function.h".
16273 * tree.h (init_dummy_function_start): Declare new function.
16275 * except.h (struct eh_status): New structure.
16276 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
16278 (eh_return_stub_label, ehstack, catchstack, ehqueue,
16279 catch_clauses, false_label_stack, caught_return_label_stack,
16280 protect_list, current_function_ehc): Add accessor macros for the
16281 corresponding fields in current_function->eh; delete declarations
16282 for all items that used to be declared here.
16283 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
16284 catch_clauses, false_label_stack, caught_return_label_stack,
16285 protect_list, current_function_ehc): Delete variables.
16286 (init_eh_for_function): Allocate current_function->eh.
16287 (save_eh_status, restore_eh_status): Delete functions.
16289 * function.h (struct function): Add fields next_global and eh.
16290 Delete all exception handling related fields.
16291 * function.c (current_function): New variable.
16292 (all_functions): New variable.
16293 (push_function_context_to): Don't allocate a struct function,
16294 use current_function instead. Call init_dummy_function_start when
16295 outside a function. Clear current_function before returning.
16296 (pop_function_context_from): Restore current_function.
16297 Don't free the restored struct function.
16298 (prepare_function_start): New function.
16299 (init_dummy_function_start): New function.
16300 (init_function_start): Break out some code into prepare_function_start
16303 * stmt.c (save_stmt_status): Don't call save_eh_status.
16304 (restore_stmt_status): Don't call restore_eh_status.
16306 * Makefile.in: Update dependencies.
16308 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
16310 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
16311 of depending on a magic constant value. Update comments.
16312 (hppa_expand_prologue): Similarly.
16314 * pa.md (reload_indi, reload_outdi): Allow any register for the
16315 original reload register.
16317 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
16319 * cccp.c (print_help): Change marcos to macros.
16321 1999-07-30 Richard Henderson <rth@cygnus.com>
16323 * c-typeck.c (initializer_constant_valid_p): Move ...
16324 * c-common.c (initializer_constant_valid_p): ... here. Use
16325 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
16326 of label addresses.
16327 * c-common.h (initializer_constant_valid_p): Declare.
16328 * c-tree.h (initializer_constant_valid_p): Remove.
16330 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
16332 * config/i386/sol2-c1.asm: Align the stack.
16333 * config/i386/sol2-gc1.asm: Likewise.
16335 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
16337 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
16338 -Asparclite for sparc86x.
16339 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
16341 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
16343 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
16345 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
16346 the user if using the non-default arch size in BI_ARCH configuration.
16347 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
16349 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
16350 Fix patterns so that they actually match.
16351 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
16352 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
16353 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
16355 (mulsidi3): Reflect this in the expand.
16356 (smulsi3_highpart): Only on TARGET_ARCH32.
16357 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
16358 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
16359 (umulsidi3): Reflect this in the expand.
16360 (umulsi3_highpart): Only on TARGET_ARCH32.
16361 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
16362 don't require g0 to be zero.
16363 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
16364 ({,u}divsi3): New expands.
16365 ({,u}divsi3_sp64): New patterns.
16366 (after lshrdi3_v8plus): Four new patterns to help combiner
16367 optimizing nested mixed mode shifts.
16369 * config/sparc/sparc.c (sparc_override_options): Use deprecated
16370 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
16371 speed things up. Don't use them by default on plain v9 in 64bit
16372 mode, according to what SPAMv9 sais.
16374 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
16375 top 32 bits of %[og][0-7] in signal handlers.
16376 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
16378 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
16380 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
16381 (ashlsi3): Corresponding changes.
16383 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
16385 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
16387 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
16389 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16391 * arm.h (Hint): Delete macro.
16392 Substitute HOST_WIDE_INT for Hint in some prototypes.
16393 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
16395 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
16397 * builtins.c (expand_builtin_setjmp): Use force_operand to
16398 make sure that the buffer address is in a suitable form to be
16399 passed to force_reg.
16401 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
16403 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
16406 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
16408 * pa.md (indirect_jump): Remove mode from match_operand. Verify
16409 proper mode in the condition string.
16410 (icacheflush, dcacheflush): Remove modes from match_operands.
16412 * pa.c (emit_move_sequence): Always convert scratch_reg to the
16413 proper mode before using it.
16415 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
16418 * pa.c (store_reg): Do not call add_high_const generator directly.
16419 (load_reg, set_reg_plus_d): Likewise.
16420 * pa.md (add_high_const): No longer a named pattern.
16422 * pa.c (legitimize_address): Consistently use Pmode rather than
16423 SImode. Do not call gen_pic2_highpart directly anymore.
16424 * pa.md (pic2_highpart): No longer a named pattern.
16425 (pic2_lo_sum): Similarly. Reformat to make more readable.
16427 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16432 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16434 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16436 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16438 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16439 and tag the spill mems.
16440 (hppa_va_start): New.
16441 (hppa_va_arg): New.
16442 * pa.h (EXPAND_BUILTIN_VA_START): New.
16443 (EXPAND_BUILTIN_VA_ARG): New.
16445 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16447 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16448 and tag the spill mems.
16449 (mn10300_va_start): New.
16450 (mn10300_va_arg): New.
16451 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16452 (EXPAND_BUILTIN_VA_ARG): New.
16454 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16456 * mn10200.c (mn10200_va_arg): New.
16457 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16459 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16461 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16462 rather than play with TREE_INT_CST_LOW.
16464 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16466 * config/arm/telf.h: Include dbxelf.h.
16467 (CPP_PREDEFINES): Only define if not already defined.
16468 (ASM_IDENTIFY_GCC): Likewise.
16469 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16470 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16471 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16473 (DBX_DEBUGGING_INFO): Don't define.
16474 * config/arm/linux-telf.h: New file.
16475 * config/arm/linux-tgas.h: New file.
16476 * config/arm/t-thumb-linux: New file.
16477 * config/arm/uclinux-elf.h: New file.
16478 * config/arm/uclinux-telf.h: New file.
16479 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16480 thumb-*-uclinux): New targets.
16481 * configure: Regenerate.
16483 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16485 * pa.md (post_store, pre_load): New expanders.
16486 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16487 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16488 need to directly generate RTL for them.
16489 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16492 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16494 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16495 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16496 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16497 (secndary_reload_class): Make TARGET_ELF conditional compile.
16498 (print_operand_address): Similar.
16499 (output_toc): Print all values as hex.
16500 (get_issue_rate): Rearrange and add RS64A and PPC630.
16501 * rs6000.h (processor_type): Add RS64A and PPC630.
16502 (PROCESSOR_POWERPC64): New.
16503 (PROMOTE_MODE): Use word_mode.
16504 (RTX_COSTS): Add RS64A and PPC630.
16505 * rs6000.md (scheduling information): Add lmul and ldiv
16506 representing 64-bit integer multiply and divide. Add rs64a and
16507 PPC630 information.
16508 (ashldi3): Add support for "rldic" instruction.
16509 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16511 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16513 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16514 instead of V8 for sparclite86x in cpu_table.
16516 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16518 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16519 output_file_directive.
16521 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16523 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16524 tree for op1, not the rtl.
16526 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16528 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16529 to m88k_va_start, leaving only the register spill.
16530 (m88k_build_va_list): New.
16531 (m88k_va_start): New.
16532 (m88k_va_arg): New.
16533 * m88k.h (BUILD_VA_LIST_TYPE): New.
16534 (EXPAND_BUILTIN_VA_START): New.
16535 (EXPAND_BUILTIN_VA_ARG): New.
16537 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16539 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16540 Rename from expand_builtin_saveregs.
16541 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16543 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16545 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16546 for the register spill block.
16547 (i960_build_va_list): New.
16548 (i960_va_start): New.
16549 (i960_va_arg): New.
16550 * i960.h (BUILD_VA_LIST_TYPE): New.
16551 (EXPAND_BUILTIN_VA_START): New.
16552 (EXPAND_BUILTIN_VA_ARG): New.
16553 * i960.md (store_multiple): Use change_address on individul mems.
16555 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16557 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16559 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16560 (expand_builtin_va_end): Evaluate arg for side effects.
16561 * c-common.c (c_common_nodes_and_builtins): Construct a
16562 va_list_arg_type_node to handle array decomposition to pointer.
16564 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16566 * except.c (start_dynamic_cleanup): Use force_operand on the
16569 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16571 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16572 * c4x.c (c4x_va_arg): New.
16574 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16576 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16577 has manual_pop set.
16579 1999-07-26 Nathan Sidwell <nathan@acm.org>
16581 * eh-common.h (__eh_matcher): Prototype correctly.
16583 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16585 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16586 (TARGET_SINGLE_PIC_BASE): Likewise.
16587 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16589 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16590 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16591 (TARGET_OPTIONS): Add -mpic-register=N.
16592 (OUTPUT_INT_ADDR_CONST): New macro.
16593 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16594 LEGITIMATE_PIC_OPERAND_P): Likewise.
16595 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16596 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16597 output_addr_const directly.
16598 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16600 (thumb_pic_register, thumb_pic_register_string): Declare.
16602 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16604 (label_mentioned_p): New function: Imported from arm.c.
16605 (legitimize_pic_address): New function: Imported from arm.c.
16606 (is_pic):New function: Imported from arm.c.
16607 (thumb_finalize_pic):New function: Imported from arm.c.
16608 (add_constant): Cope with PIC constants.
16609 (fixit): Cope with PIC constants.
16610 (output_return): Do not treat the PIC register as live if
16611 TARGET_SINGLE_PIC_BASE is true.
16612 (thumb_function_prologue): Do not treat the PIC register as live if
16613 TARGET_SINGLE_PIC_BASE is true.
16614 (thumb_expand_prologue): Do not treat the PIC register as live if
16615 TARGET_SINGLE_PIC_BASE is true.
16616 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16617 TARGET_SINGLE_PIC_BASE is true.
16618 (thumb_print_operand): Accept '|'.
16619 (thumb_override_options): Process PIC options.
16621 * config/arm/thumb.md (movsi): Support PIC.
16622 (call_insn): Change "i" constraint to "X".
16623 (call_value_insn): Likewise.
16624 (consttable_4, consttable_8, consttable_end): Set and clear
16625 "making_const_table" as appropriate.
16626 (pic_load_addr, pic_add_dot_plus_four): New insns.
16628 * invoke.texi (Thumb Options): Fix spelling. Document new
16629 options -msingle-pic-base and -mpic-register=.
16631 1999-07-26 Andrew Haley <aph@cygnus.com>
16633 * config/m32r/initfini.c (__init): Use a full word immediate for
16634 __fini: this allows it to be placed in any memory region.
16636 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16637 -mmodel=medium. This is OK for all memory models.
16639 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16641 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16642 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16644 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16646 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16649 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16651 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16653 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16654 (BUILD_VA_LIST_TYPE): New.
16655 (EXPAND_BUILTIN_VA_START): New.
16656 (EXPAND_BUILTIN_VA_ARG): New.
16657 * i860.c (output_delayed_branch): Disable.
16658 (output_delay_insn): Likewise.
16659 (i860_saveregs): New.
16660 (i860_build_va_list): New.
16661 (i860_va_start): New.
16662 (i860_va_arg): New.
16663 * i860.md: Disable all peepholes using output_delayed_branch.
16664 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16666 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16668 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16669 (BUILD_VA_LIST_TYPE): New.
16670 (EXPAND_BUILTIN_VA_START): New.
16671 (EXPAND_BUILTIN_VA_ARG): New.
16672 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16673 Return the address of the save area.
16674 (clipper_build_va_list): New.
16675 (clipper_va_start): New.
16676 (clipper_va_arg): New.
16678 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16680 * arc.h (EXPAND_BUILTIN_VA_START): New.
16681 (EXPAND_BUILTIN_VA_ARG): New.
16682 * arc.c (arc_setup_incoming_varargs): Set alias set of
16684 (arc_va_start): New.
16687 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16689 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16690 (BUILD_VA_LIST_TYPE): New.
16691 (EXPAND_BUILTIN_VA_START): New.
16692 (EXPAND_BUILTIN_VA_ARG): New.
16693 * alpha.c (alpha_builtin_saveregs): Delete.
16694 (alpha_build_va_list): New.
16695 (alpha_va_start): New.
16696 (alpha_va_arg): New.
16698 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16700 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16702 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16703 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16705 * gcc.texi: More changes related to list conversion.
16706 * invoke.texi: Likewise.
16708 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16710 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16711 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16712 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16713 (stabilize_va_list): New function.
16714 (std_expand_builtin_va_start): New function.
16715 (expand_builtin_va_start): New function.
16716 (get_varargs_alias_set): New function.
16717 (std_expand_builtin_va_arg): New function.
16718 (expand_builtin_va_arg): New function.
16719 (expand_builtin_va_end): New function.
16720 (expand_builtin_va_copy): New function.
16721 (expand_builtin): Call them.
16722 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16723 __builtin_{varargs_start,stdarg_start,end,copy}.
16724 (build_va_arg): New function.
16725 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16726 (build_va_arg): Declare.
16727 * c-decl.c (ptr_type_node, va_list_type_node): New.
16728 * c-parse.gperf (__builtin_va_arg): New.
16729 * c-parse.in (VA_ARG): New token.
16730 (unary_expr): Recognize it.
16731 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16732 * expr.h (std_expand_builtin_va_start): Declare.
16733 (std_expand_builtin_va_arg): Declare.
16734 (expand_builtin_va_arg): Declare.
16735 (get_varargs_alias_set): Declare.
16736 * tree.def (VA_ARG_EXPR): New.
16737 * tree.h (BUILT_IN_VARARGS_START): New.
16738 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16739 (ptr_type_node, va_list_type_node): Declare.
16740 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16741 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16742 * m88k.h, m88k.c: Likewise.
16743 * mn10300.h, mn10300.c: Likewise.
16744 * pa.h, pa.c: Likewise.
16745 * rs6000.h, rs6000.c: Likewise.
16746 * sh.h, sh.c: Likewise.
16747 * sparc.h, sparc.c: Likewise.
16749 * emit-rtl.c (operand_subword): Copy alias set.
16750 (change_address): Likewise.
16752 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16754 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16755 not just the first one.
16757 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16759 * config/arm/arm.h (TARGET_SWITCHES): Add
16760 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16761 (TARGET_OPTIONS): Add -mpic-register=.
16762 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16763 (arm_pic_register_string): Declare.
16764 (NEED_PLT_GOT): Delete, replace with ...
16765 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16766 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16767 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16768 * config/arm/arm.c (arm_override_options): Add new option
16770 (arm_pic_register_string): New variable.
16771 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16772 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16773 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16774 (output_return_instruction): Likewise.
16775 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16776 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16777 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16779 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16780 mention of -msched-prolog. Document new options -msingle-pic-base
16781 and -mpic-register=.
16783 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16785 * haifa-sched.c (reemit_notes): Tidy.
16786 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16789 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16791 * explow.c (trunc_int_for_mode): New function.
16792 (plus_constant_wide): Use it.
16793 * combine.c (simplify_and_const_int): Likewise.
16794 (merge_outer_ops): Likewise.
16795 (simplify_shift_const): Likewise.
16796 * cse.c (simplify_unary_operation): Likewise.
16797 (simplify_binary_operation): Likewise.
16798 * emit-rtl.c (operand_subword): Likewise.
16799 * rtl.h: Declare it.
16801 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16803 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16804 (use NUM_REGS instead of NUM_INTS).
16806 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16808 * builtins.c: New file.
16809 * expr.c (saveregs_value, apply_args_value): Delete definition,
16810 moved into builtins.c.
16811 (string_constant): No longer static.
16812 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16813 apply_args_size, apply_result_size, result_vector,
16814 expand_builtin_apply_args, expand_builtin_apply,
16815 expand_builtin_return): Delete functions, moved into builtins.c.
16816 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16817 * expr.h (saveregs_value, apply_args_value): Declare variables.
16818 (expand_builtin, string_constant): Declare functions.
16819 * Makefile.in: Update to build builtin.o.
16821 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16823 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16824 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16825 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16826 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16828 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16831 1999-07-21 Michael Meissner <meissner@cygnus.com>
16833 * print-rtl.c (print_rtx): Print the names of the virtual
16836 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16838 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16839 introduced in previous delta.
16841 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16843 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16844 to avoid name clash.
16846 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16848 * c-lex.c (yylex) : Correct the test for overflow when lexing
16851 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16853 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16854 (adjust_priority): Always call ADJUST_PRIORITY.
16855 (schedule_insn): Only put insns into the ready at cost 0.
16856 (schedule_block): Remove redundant initial sort. Give clock_var
16857 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16859 * tm.texi (MD_SCHED_REORDER): Update docs.
16861 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16862 * sparc.c (ultra_reorder_called_this_block): Delete.
16863 (ultrasparc_sched_init): Don't set it.
16864 (ultrasparc_sched_reorder): Don't check it.
16866 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16868 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16869 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16870 (function_arg_boundary): Align DFmode.
16871 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16872 to get fp reg and stack overflow correct.
16873 (function_arg): Likewise.
16874 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16875 (setup_incoming_varargs): Restructure for ABI_V4; use
16876 function_arg_advance to skip final named argument.
16877 (expand_builtin_saveregs): Properly unskip the last integer arg
16878 when doing varargs. Adjust overflow location calculation.
16880 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16881 explicitly unsigned.
16882 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16883 (__VA_GP_REGSAVE): Similarly.
16884 (__va_longlong_p): Delete.
16885 (__va_arg_type_violation): New declaration.
16886 (va_arg): Restructure. Flag promotion errors. Align double.
16887 TFmode passed by reference.
16889 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16890 in the HOST_BITS_PER_WIDE_INT > 32 case.
16892 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16894 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16896 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16898 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16899 * toplev.c (documented_lang_options): Add -fpreprocessed.
16900 * cpplib.h (struct cpp_buffer): Add preprocessed.
16901 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16902 (cpp_start_read): Don't expand macros or emit an initial #line
16903 directive if -fpreprocessed.
16905 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16907 * cpplib.h (struct cpp_buffer): Added manual_pop for
16908 better C++ tokenization.
16909 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16910 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16911 * c-common.c (cpp_token): Make non-static.
16913 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16915 * c-common.h: New file.
16916 * c-common.c (permanent_obstack): Delete unused declaration.
16917 (c_global_trees): New array.
16918 (c_common_nodes_and_builtins): New function; split off common code
16919 from init_decl_processing in both c-decl.c and cp/decl.c.
16920 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16921 c_global_trees and accessor macros defined in c-common.h.
16922 Include c-common.h.
16923 * c-decl.c: Delete definitions for tree nodes that were replaced by
16925 (init_decl_processing): Build void_list_node.
16926 Call c_common_nodes_and_builtins; delete code to generate the common
16928 * objc/objc-act.c (build_module_descriptor): Rename variable
16929 void_list_node to avoid clash with c-common.h.
16931 * Makefile.in: Update dependencies.
16932 * objc/Make-lang.in: Likewise.
16934 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16936 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16937 (UNIQUE_SECTION_P): Likewise.
16938 (UNIQUE_SECTION): Likewise.
16940 1999-07-19 Linas Vepstas <linas@linas.org>
16942 * config/i370/README: New file.
16943 * config/i370/linux.h: New file.
16944 * config/i370/mvs.h: New file.
16945 * config/i370/oe.h: New file.
16946 * config/i370/t-linux: New file.
16947 * config/i370/t-mvs: New file.
16948 * config/i370/t-oe: New file.
16949 * config/i370/x-oe: New file.
16950 * config/i370/xm-linux.h: New file.
16951 * config/i370/xm-mvs.h: New file.
16952 * config/i370/xm-oe.h: New file.
16954 * i370.c (label_node_t): Add first_ref_page, label_addr,
16955 label_first_ref, label_last_ref members.
16956 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16957 (MAX_MVS_LABEL_SIZE): Define.
16958 (MAX_LONG_LABEL_SIZE): Define.
16959 (alias_node_t, alias_anchor, alias_number): New.
16960 (mvs_function_table): Reorder for EBCDIC.
16961 (ascebc, ebcasc): Unconditionally define.
16962 (i370_branch_dest, i370_branch_length): New functions.
16963 (i370_short_branch, i370_label_scan): New functions.
16964 (mvs_get_label): Renamed from mvs_add_label. Search for
16965 an existing label before creating a new one.
16966 (mvs_add_label): New function.
16967 (mvs_get_label_page): New function.
16968 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16969 over the entire list.
16970 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16971 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16972 (mvs_add_alias, mvs_need_alias): New functions.
16973 (mvs_get_alias, mvs_check_alias): New functions.
16974 (handle_pragma): New function.
16975 (mvs_function_check): New function.
16976 (unsigned_jump_follows_p): Search harder.
16977 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16978 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16979 * i370.h (TARGET_VERSION): Delete.
16980 (CPP_SPEC, CPP_PREDEFINES): Delete.
16981 (mvs_label_emitted): Delete.
16982 (TARGET_EBCDIC): Delete.
16983 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16984 (HANDLE_PRAGMA): Define.
16985 (HARD_REGNO_NREGS): Handle complex modes.
16986 (HARD_REGNO_MODE_OK): Likewise.
16987 (CLASS_MAX_NREGS): Likewise.
16988 (RET_REG): Likewise.
16989 (EXTRA_CONSTRAINT): Define.
16990 (RETURN_IN_MEMORY): True for DImode.
16991 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16992 (FUNCTION_PROFILER): Delete.
16993 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16994 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16995 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16996 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16997 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16998 (ASM_FILE_START): Add "RMODE ANY".
16999 (ASM_OUTPUT_EXTERNAL): Check for aliases.
17000 (ASM_GLOBALIZE_LABEL): Likewise.
17001 (ASM_OUTPUT_LABELREF): Likewise.
17002 (ASM_OUTPUT_COMMON): Likewise.
17003 (PRINT_OPERAND): Handle 'K', 'W', default.
17004 (PRINT_OPERAND_ADDRESS): New.
17005 (Lots of defines): Add support for TARGET_ELF_ABI.
17006 * i370.md (attr length): New. Define for all patterns.
17007 (*): Lots of tweeks to assembly output and constraints.
17009 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
17011 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
17012 Disable patterns performing SImode comparisons with SImode values
17013 if TARGET_POWERPC64 and instruction does not sign-extend or does
17014 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
17015 differ for signed quantities.
17016 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
17017 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
17018 (decrement_and_branch_on_count): Add 64-bit variant.
17020 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17022 * final.c (output_asm_insn): When searching for the matching string
17023 for a given dialect, don't run past the end of the list of
17024 alternatives if there are fewer alternatives in the template than
17027 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
17029 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
17030 Removed paragraph about compression of files and size limitation,
17031 duplicated in the FAQ. Use gcc-patches for posting patches.
17032 * gcc.c (main): Updated URL with bug reporting instructions to
17033 gcc.gnu.org. Removed e-mail address.
17034 * system.h (abort): Likewise.
17036 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17038 * Makefile.in (stmp-multilib-sub): Make the files extracted
17039 from $(LIBGCC1) writable.
17041 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
17043 * config/arm/aout.h: Reformat for improved readability.
17045 * config/arm/arm.h: Reformat for improved readability.
17046 Replace uses of fprintf with asm_fprintf where appropriate.
17047 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
17048 function declaration assembler actions.
17049 (NUM_INTS): New macro: Convert from bytes to words.
17050 (NUM_REGS): New macro: Compute number of registers required to
17051 hold a quanitity of tyep MODE.
17052 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
17054 (NUM_ARG_REGS): New macro: The number of argument registers
17056 (ARG_REGISTER): New macro: Compute the register number of the Nth
17058 (LAST_ARG_REGNUM): New macro: The number of the last argument
17060 (SP_REGNUM): New macro: Register number of the stack pointer.
17061 (FP_REGNUM): New macro: Register number of the frame pointer.
17062 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
17063 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
17064 CUMULATIVE_ARGS so that it counts registers not bytes.
17066 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
17068 Replace uses of fprintf with asm_fprintf where appropriate.
17069 (output_ascii_pseudo_op): Replace with version from thumb.c
17071 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
17073 * config/arm/elf.h (CPP_PREDEFINES): Replace with
17074 SUBTARGET_CPP_SPEC.
17075 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
17076 (ASM_FILE_START): Emit ASM_APP_OFF.
17078 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
17080 * pa.c (compute_frame_size): Round frame according to
17081 STACK_BOUNDARY rather than a hardwired value.
17083 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
17085 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
17087 * configure: Rebuilt.
17089 * configure.in (hppa*-*-linux*): New configuration.
17090 * configure: Rebuilt.
17091 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
17092 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
17093 * pa/pa-linux.h: New file.
17094 * pa/t-linux: New file.
17095 * pa/xm-linux.h: New file.
17097 * pa.c (hppa_legitimize_address): Change references from SImode to
17098 either Pmode or word_mode as appropriate.
17099 (emit_move_sequence, store_reg, load_reg): Likewise.
17100 (set_reg_plus_d, hppa_expand_prologue): Likewise.
17101 (output_mul_insn): Likewise.
17102 * pa.h (PROMOTE_MODE): Likewise.
17103 (INITIALZE_TRAMPOLINE): Likewise.
17104 (Pmode): Define to word_mode.
17106 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
17107 value of 4. Allocate 8 bytes for each FP register save.
17108 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
17110 (hppa_expand_prologue): Likewise.
17111 * pa.h (PROMOTE_MODE): Likewise.
17112 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
17113 (FUNCTION_ARG_BOUNDARY): Likewise.
17115 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
17117 * pa.c (out_of_line_prologue_epilogue): Delete.
17118 (override_options): Remove -mspace related code.
17119 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
17120 (compute_frame_size): Only allocate space for register that
17121 actually need to be saved.
17122 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
17123 (TARGET_SWITCHES): Remove -mspace, -mno-space
17124 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
17125 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
17126 * pa/ee.asm, pa/ee_fp.asm: Delete.
17128 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
17130 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
17131 directive in column zero.
17133 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
17135 * m68k.c (output_function_prologue): Fix computation of save mask
17136 when generating PIC code.
17138 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
17140 * tree.c (build_type_attribute_variant): Move current_obstack restore
17141 after build_qualified_type call.
17143 1999-07-15 Mark Mitchell <mark@codesourcery.com>
17145 * configure.in: Use t-iris6, even with GNU LD.
17146 * config/mips/iris6gld.h: Fix typo in linker spec.
17147 * config/mips/t-iris6gld: Remove.
17149 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
17151 * rs6000.md (insv, extzv): Remove SImode dependence in named
17152 patterns. Explicitly generate DImode RTL if PowerPC64 and
17154 (insvdi): Reverse start and size in instruction template.
17156 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
17158 * invoke.texi: Typo fixes.
17160 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
17162 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
17163 handle at this time instead of silently generating incorrect code.
17164 (gen_imagpart): Likewise.
17166 * reload.c (find_reloads): Emit a USE for a pseudo register without
17167 a hard register if we could not create an optional reload for the
17170 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17172 * c-typeck.c (output_init_element, process_init_element):
17173 When advancing constructor_unfilled_fields for a RECORD_TYPE,
17174 check for nameless bit fields.
17176 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
17178 * regclass.c (scan_one_insn): Notice subregs that change the
17179 size of their operand.
17180 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
17182 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
17184 * configure.in (alpha*-*-*): Include alpha/t-ieee.
17185 * configure: Rebuilt.
17186 * alpha/t-ieee: New file.
17188 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
17190 * rs6000.c (find_addr_reg): Do not select r0 as an address
17193 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
17195 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
17197 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
17199 * rs6000.md (movsf): Do not force easy FP constants into memory.
17201 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
17202 immed_double_const to ensure they are properly truncated then
17205 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17207 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
17208 always unless NO_DEBUG is used. Compile this code
17210 (replace_symbols_in_block): Compile it unconditionally.
17212 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
17214 * configure.in (i?86-*-elf*): New target.
17215 * configure: Rebuilt.
17216 * i386/i386elf.h, i386/t-i386elf: New files.
17218 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17220 * toplev.c (main): Don't complain about saying -gdwarf.
17221 (rest_of_compilation): Remove redundant code.
17223 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
17225 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
17227 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
17229 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
17230 "Li960R:", to avoid name clash.
17232 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17234 * loop.c (check_dbra_loop): When reversing a loop, delete all
17235 REG_EQUAL notes referencing the reversed biv except those which are
17236 for a giv based on it.
17238 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
17240 * version.c: Drop "gcc-" prefix from version #.
17242 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
17244 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
17245 the label if we're being verbose.
17247 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
17249 * m68k.c (output_function_prologue): Add pic register to mask
17250 if live and flag_pic.
17251 (output_function_epilogue): Likewise.
17253 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
17255 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
17256 directives in column zero.
17258 * pa/elf.h (ASM_FILE_START): Define.
17259 * pa/som.h (ASM_FILE_START): Include .level directives.
17260 * pa/hpux10.h (ASM_FILE_START): Delete.
17261 * pa/hpux11.h (ASM_FILE_START): Delete.
17263 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
17265 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17267 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
17268 when reload_out equals reload_in.
17270 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
17272 * invoke.texi (Spec Files): New node: Describe the contents of
17275 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
17277 * invoke.texi (DEC Alpha Options): Put @end table at
17278 beginning of line, to avoid confusing texi2html.
17280 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
17282 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
17283 introduced in previous delta.
17285 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17287 * reload1.c (gen_reload): When synthesizing a 3 operand add
17288 sequence, improve test for when to reload OP1 into the reload
17289 register instead of OP0.
17291 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
17293 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
17295 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
17297 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
17300 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
17302 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
17303 (va_dcl): Use __builtin_va_alist_t.
17305 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
17307 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
17308 on the permanent_obstack.
17309 * dwarfout.c (output_type): Likewise.
17311 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
17313 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17314 Merged from c-typeck.c and cp/typeck.c.
17315 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17316 Merged into c-common.
17318 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
17320 * c-lex.c (errorcount): Declare it.
17321 (finish_parse): Update errorcount when using CPPLIB.
17323 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
17325 * fixinc/inclhack.def(end_else_label): Double the backslash so
17326 sed gets a chance to see it.
17327 * fixinc/inclhack.sh: regen
17328 * fixinc/fixincl.x: regen
17330 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
17332 Add framework to support armv5 architecture when it becomes
17335 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
17336 (arm_arch5): New variable.
17337 (all_architectures): Add armv5 line.
17338 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
17339 -march=armv5 is specified on the command line.
17340 (arm_arch5): Export this variable.
17341 * invoke.texi: Document new string accepted by -march= switch for
17344 * config/arm/arm.h: Replace use of constant 12 as a register
17345 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17346 * config/arm/arm.c: Replace use of constant 12 as a register
17347 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17349 * config/arm/elf.h: Tidy up.
17350 * config/arm/coff.h: Tidy up.
17352 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
17354 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
17355 * gcc/config/mips/t-iris6gld: New file.
17356 * gcc/config/mips/iris6gld.h: Likewise.
17358 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
17360 * c-decl.c (widest_integer_literal_type_node,
17361 widest_unsigned_literal_type) : New.
17362 (init_decl_processing): Handle/use the two new types.
17363 * c-common.c (type_for_size,type_for_mode) : Same.
17364 * c-lex.c (yylex) : Same.
17365 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17367 * c-tree.h (widest_integer_literal_type_node,
17368 widest_unsigned_literal_type) : New.
17370 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
17372 * dwarfout.c (field_byte_offset): Correctly compute the object's
17373 byte offset for the first bit of a field which crosses an alignment
17374 boundary on a !BYTES_BIG_ENDIAN target.
17376 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
17378 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
17381 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
17382 Jeff Law <law@cygnus.com>
17384 * ginclude/varargs.h (va_dcl): Use word_mode for type of
17387 * except.c: Include intl.h.
17388 (expand_eh_return): Set current_function_cannot_inline.
17389 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
17390 * function.h (struct function): Add eh_return_stub_label.
17391 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
17392 * Makefile.in (except.o): Depend on intl.h.
17394 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
17396 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
17397 same as offsettable in cases 1 and 2.
17399 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
17401 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
17402 (extlh, extwh): Likewise.
17404 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
17406 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
17408 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
17410 * configure.in: Add arm-pe and thumb-pe targets.
17411 * configure: Regenerate.
17413 * thumb.c (arm_naked_function_p): New function: Determines if
17414 a function is naked (has no gcc generated prologue/epilogue).
17415 (is_called_in_ARM_mode): Return true if the func has the
17416 interfacearm attribute.
17417 (output_return): Do not generate a return for naked functions.
17418 (thumb_function_prologue): Do not generate a prologue for
17420 (thumb_expand_prologue): Do not generate a prologue for naked
17422 (thumb_expand_epilogue): Do not generate an epilogue for naked
17424 (arm_valid_machine_decl_attribute): New function, copied from
17425 arm.c: Permit naked and interfacearm attributes.
17427 * config/arm/pe.c: New file: Support code for arm-pe target.
17428 * config/arm/pe.h: New file: Header file for arm-pe target.
17429 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17430 * config/arm/t-thumb-pe: New file: Makefile fragment for
17433 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17435 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17436 -fPIC or -fpic is specified.
17438 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17440 * expr.c (emit_block_move): Use copy_to_mode_reg for
17441 !TARGET_MEM_FUNCTIONS case too.
17443 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17445 * configure: Rebuilt.
17446 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17447 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17448 definitions made redundant by dbxelf.h inclusion. Delete
17449 lots of definitions related to assembly output that are
17450 specific to the SOM object format.
17451 * pa.c (output_function_prologue): Do not emit the function's
17453 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17454 * pa-pro.h: Deleted.
17455 * som.h: New file with SOM specific definitions.
17456 * elf.h: New file with ELF specific definitions.
17458 * elfos.h (const_section): Output a tab before assembler directives.
17459 (ctors_section, dtors_section): Likewise.
17460 (ASM_OUTPUT_SECTION_NAME): Likewise.
17462 * pa/pa1.h: Delete unused file.
17464 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17466 * configure.in (hppa*-hp-hpux11*): New configuration.
17467 * configure: Rebuilt.
17468 * pa/pa-hpux11.h: New file.
17469 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17472 * mips.md (leasi, leadi): New patterns.
17474 * expr.c (emit_block_move): Properly handle case where one of the
17475 block move arguments has a queued increment or decrement.
17476 (clear_storage): Similarly. Fix formatting goof.
17478 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17480 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17481 semicolon from the BSD VA_LIST replacement expression.
17483 * fixinc/inclhack.sh: regen
17484 * fixinc/fixincl.x: regen
17486 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17487 now use the fixincl program.
17489 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17491 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17492 case. Also make the PIC register call_used.
17494 * m68k.h (FINALIZE_PIC): Delete.
17495 * m68k.c (finalize_pic): Delete.
17497 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17499 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17502 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17504 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17506 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17508 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17510 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17512 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17514 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17516 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17518 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17520 * rs6000.c (output_toc): Always use hex values for floating-point
17521 constants. Store single-precision values in upper-half of TOC
17522 entry in 64-bit mode.
17523 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17524 to final constraints.
17525 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17526 (fctiwz): Improve accuracy of RTL for pattern.
17528 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17530 * expr.c (expand_expr): Allow RTL_EXPR's through the
17531 MAX_INTEGER_COMPUTATION_MODE checks.
17533 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17535 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17536 such that MASK_SUPPORT_ARCH is not negative.
17538 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17540 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17541 ADDR_DIFF_VEC insns that appear inside loops.
17543 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17544 Jeff Law <law@cygnus.com>
17546 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17547 Handle LO_SUM the same as offsettable in cases 1 and 2.
17548 * rs6000.c (find_addr_reg): Revert previous patch.
17550 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17552 * system.h (strstr): New external function declaration.
17553 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17554 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17555 * config.in, configure: Rebuilt.
17557 1999-06-24 Tom Tromey <tromey@cygnus.com>
17559 * gcc.c (main): Read user-specified specs files after computing
17560 additional startfile_prefixes.
17562 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17564 Revert these two patches:
17566 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17567 * loop.c (strength_reduce): When doing biv->giv conversion, update
17568 reg note of NEXT->insn.
17570 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17571 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17573 (recombine_givs): Set ix field after sorting.
17575 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17577 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17578 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17580 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17582 *fixinc/inclhack.def: Add fix development commentary
17583 (read_ret_type): reactivate and add selection clause
17584 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17585 *fixinc/{fixincl.x|inclhack.sh}: regen
17587 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17589 * expr.c (expand_expr): STRIP_NOPS before checking against
17590 MAX_INTEGER_COMPUTATION_MODE
17591 (check_max_integer_computation_mode): Likewise.
17593 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17595 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17597 1999-06-22 Jim Wilson <wilson@cygnus.com>
17599 * expr.c (store_expr): When target is a promoted subreg, return a
17600 promoted subreg as a result.
17602 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17604 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17606 (dwarf2out_define): Mark unused parameters appropriately.
17607 (gen_unspecified_parameters_die): Ditto.
17608 (gen_subprogram_die): Fix signed/unsigned warnings.
17609 (gen_variable_die): Ditto.
17611 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17613 * fixinc/inclhack.def(end_else_label): combined else_label
17614 and endif_label and fixed the sed expression.
17615 *fixinc/{fixincl.x|inclhack.sh}: regen
17617 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17619 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17620 'x' when handling non-offsettable addresses
17622 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17624 * final.c (shorten_branches): Don't try to split an insn that has
17627 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17629 * config/mips/mips.c (symbolic_expression_p): New function.
17630 (mips_select_rtx_section): Put symbolic expressions in the
17631 data section, not the read-only data section.
17633 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17635 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17637 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17639 * collect2.c (main): Log frame table count.
17640 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17641 (scan_prog_file) [COFF]: Handle frame tables.
17643 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17644 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17645 * alpha/elf.h: Undef them again.
17646 * alpha/vms.h: Remove their definitions.
17648 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17650 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17651 remove the clobber of r0 and change the REG_UNUSED note to
17654 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17656 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17657 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17658 fits in HOST_WIDE_INT and one uses union to access a long constant
17661 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17663 * sparc.c (sparc_override_options): Don't allow profiling for
17664 code models other than medlow.
17665 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17666 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17667 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17668 (sparc_block_profiler): Likewise.
17669 (sparc_function_block_profiler_exit): Likewise.
17670 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17671 (FUNCTION_BLOCK_PROFILER): Likewise.
17672 (BLOCK_PROFILER): Likewise.
17673 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17674 (MCOUNT_FUNCTION): New.
17675 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17676 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17677 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17678 (MCOUNT_FUNCTION): New.
17679 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17680 (BLOCK_PROFILER): Delete.
17681 (MCOUNT_FUNCTION): New.
17683 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17685 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17687 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17689 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17692 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17695 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17698 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17701 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17703 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17706 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17708 * i386/djgpp.h (LIB_SPEC): New.
17709 (STARTFILE_SPEC): New.
17711 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17713 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17715 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17718 * system.h (WSTOPSIG): New macro.
17720 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17722 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17724 (insert_pack_attributes): Take into account member natural
17727 * i386/winnt.c (exports_head): New static variable.
17728 (i386_pe_record_exported_symbol): New function.
17729 (i386_pe_asm_file_end): Use.
17730 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17731 symbols to be emitted at end of assembly.
17732 (ASM_DECLARE_OBJECT_NAME): Likewise.
17733 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17735 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17738 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17740 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17743 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17745 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17746 zapping reg_last_uses directly.
17747 (sched_analyze_2, sched_analyze_insn): Likewise.
17748 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17750 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17752 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17753 attributes for cases 1 and 2.
17755 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17757 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17760 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17762 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17764 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17766 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17767 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17768 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17769 must be stacked if it is used for PIC accesses.
17770 * arm.c (use_return_insn): Handle PIC register specially.
17771 (output_return_instruction): Likewise.
17772 (output_func_{prologue,epilogue}): Likewise.
17773 (output_expand_prologue): Likewise.
17775 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17776 (*strsi_predec): Renamed from *strqi_predec.
17777 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17778 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17780 * arm.c (arm_override_options): Remove warning about PIC code
17781 not being supported.
17783 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17785 * rs6000.c (find_addr_reg): New function.
17786 * rs6000.h (find_addr_reg): Declare.
17787 (offsettable_addr_operand): Delete.
17788 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17789 from and stores to GPRs.
17791 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17793 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17794 gen_sequence as argument to emit_no_conflict_block.
17796 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17798 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17799 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17800 *fixinc/fixincl.x: regen
17801 *fixinc/inclhack.sh: regen
17803 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17805 * added support for -mpcrel (PC relative addressing for m68k)
17806 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17807 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17808 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17809 (comments for general_src_operand): Add some explanation
17810 about EXTRA_CONSTRAINTS.
17811 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17812 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17813 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17814 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17815 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17816 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17817 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17818 if not already set.
17819 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17820 * m68k.h (TARGET_PCREL): New target flag.
17821 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17822 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17823 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17824 contains a SYMBOL_REF. Relax this constraint during reload, since
17825 we want to use the predicates, not reload's built-in concept of a
17826 valid memory address, to control what insns need reloading.
17827 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17828 operands (essentially 'g', 'm', and 's' under normal circumstances).
17829 * m68k.c (print_operand): Cause printing of pc-relative addresses
17830 to include pc register.
17831 (print_operand_address): Ditto.
17832 (general_src_operand): Accept operands that are not only
17833 general_operands, but are also valid when used as a pc-relative
17835 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17836 (memory_src_operand): Similar, for memory_operands.
17837 (pcrel_address): New predicate to accept the special case of a
17838 pc-relative address.
17839 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17840 QImode insns to accept *_src_operand instead of *_operand where
17841 pc-relative operands can fit. For example, a pc-relative operand
17842 can be used as a memory source operand for addsi3, but not as a
17843 memory destination.
17844 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17846 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17848 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17849 .thumb_set pseudo op to mark aliases of thumb functions.
17851 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17853 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17854 preference to ASM_OUTPUT_DEF, if it is defined.
17856 * tm.texi: Document new, optional target macro
17857 ASM_OUTPUT_DEF_FROM_DECLS.
17859 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17861 * fixincludes: ISCNTL patch
17862 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17863 (dgux_int_varargs): new for DG/UX
17864 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17866 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17868 * invoke.texi (ia32 options): Fix typo.
17870 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17872 * loop.c (strength_reduce): When doing biv->giv conversion, update
17873 reg note of NEXT->insn.
17875 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17877 * loop.c (move_movables): Note issues with replacing REGs with
17879 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17881 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17883 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17885 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17886 the reference to `mcount' was not correct for the ELF on FreeBSD.
17888 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17890 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17893 (recombine_givs): Set ix field after sorting.
17895 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17897 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17898 to safe to extract a subword out of a REG.
17900 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17902 * sh.md (mulsi3): Don't add a no-op move at the end.
17904 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17906 * cse.c (cse_insn): Don't put hard register source into tables for
17907 the last insn of a libcall.
17909 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17911 * loop.c (strength_reduce): Insert sets of derived givs at every
17912 biv increment, even if it's the only one.
17914 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17916 * dwarfout.c (add_incomplete_type): New fn.
17917 (output_type): Call it.
17918 (retry_incomplete_types): New fn.
17919 (dwarfout_finish): Call it.
17921 From Eric Raskin <ehr@listworks.com>:
17922 (output_type): Output types for bases.
17924 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17926 * mips.c (mips_output_conditional_branch): Add `break'
17927 between `default' label and `close braces'.
17929 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17931 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17932 specifications and make it realistic.
17933 (LIB_SPEC): Likewise.
17935 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17937 * config/mips/mips.c (mips_secondary_reload_class): Check for
17938 (PLUS (SP) (REG)) and return appropriate register class.
17939 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17940 Handle (PLUS (SP) (REG)).
17941 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17942 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17943 of emit_insn for tablejump.
17945 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17947 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17948 asm_fprintf format string by itself.
17949 (output_function_profiler): Likewise.
17951 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17953 * combine.c (simplify_logical, case AND): Only call
17954 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17955 or the constant is positive.
17957 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17959 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17960 * configure: Regenerate.
17962 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17964 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17965 require a sub-version #.
17966 * configure: Rebuilt.
17968 1999-06-14 Robert Lipe (robertlipe@usa.net)
17970 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17972 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17974 * c-typeck.c (process_init_element): Detect excess elements in
17975 char array initializer.
17977 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17979 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17981 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17983 * invoke.texi (Option Summary): Add -fpermissive flag.
17985 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17987 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17988 that require PIC code sequences.
17990 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17992 * configure.in: Add new target: thumb-elf.
17993 * configure: Regenerate.
17994 * config/arm/t-thumb-elf: New file: Makefile fragment for
17996 * config/arm/telf.h: New file: Header file for thumb-elf
17999 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
18001 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
18002 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
18003 initializers is some circumstances.
18005 * fixinc/inclhack.def (endif_label): Add additional selector for
18006 more bogus stuff after #endif statements.
18007 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18009 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
18011 * i386/cygwin.h (SET_ASM_OP): Define.
18013 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
18015 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
18017 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18019 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
18022 * sh.md (ic_invalidate_line_i): Remove second alternative.
18024 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18026 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
18027 test for the presence of valid prototypes. Delete bypass expr.
18028 (ioctl_fix_ctrl): Correct the selection expression.
18029 (no_double_slash): Correct quoting rules
18030 *fixinc/fixincl.x: regen
18031 *fixinc/inclhack.sh: regen
18033 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
18035 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
18037 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18039 * rs6000.md (movsi_got_internal_mem): Delete.
18040 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
18041 (GOT_TOC_REGNUM): Delete.
18042 (PIC_OFFSET_TABLE_REGNUM): Define.
18043 (FINALIZE_PIC): Disable.
18044 * rs6000.c (rs6000_got_register): New code for fixed pic register.
18045 (rs6000_replace_regno): Delete.
18046 (rs6000_finalize_pic): Likewise.
18047 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
18049 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18051 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
18052 is a note; use <= for the compare; advance P while it is
18055 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
18057 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
18058 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
18060 * varasm.c (remove_from_pending_weak_list): Verify t->name
18061 is non-NULL before passing it to strcmp.
18063 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18065 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
18066 the typed arguments are not part of a comment
18067 (ioctl_fix_ctrl): Added a purpose comment
18068 *fixinc/fixincl.x: regenerate
18069 *fixinc/inclhack.sh: regenerate
18071 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18073 * invoke.texi: Add C4x invocation docs.
18075 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18077 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
18079 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
18081 (c4x_legitimize_reload_address): New function.
18082 * config/c4x/c4x.md: Update docs.
18084 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
18086 * fixincludes: Avoid removing '.'.
18087 * fixinc/fixinc.svr4: Likewise.
18088 * fixinc/fixinc.winnt: Likewise.
18089 * fixinc/inclhack.tpl: Likewise.
18090 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
18092 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18094 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
18096 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
18098 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
18100 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
18103 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
18105 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
18106 * configure: Regenerate.
18108 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
18110 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
18113 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
18115 * fixinc/inclhack.def (avoid_bool): Also catch
18116 "typedef [unsigned] int bool".
18117 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
18119 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
18120 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
18121 * configure: Rebuilt.
18123 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
18125 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
18126 such that we can override its definitions if necessary.
18127 (CPP_SPEC): New define. Support processor specific predefines via
18129 (CC1_SPEC): New define. Support processor specific compiler
18130 options via %(cc1_cpu).
18131 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
18134 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18136 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
18137 between sed's -e flag, and the open-quote following it.
18138 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
18140 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
18141 Jeffrey A Law (law@cygnus.com)
18143 * varasm.c (assemble_start_function): Remove the function
18144 from the pending weak decls list when we define a function.
18145 (assemble_variable): Similarly for variables.
18146 (weak_finish): Ignore items on the list with a NULL name.
18147 (remove_from_ending_weak_list); New function to "remove" an item
18148 from the pending weak declarations list.
18150 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18152 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
18154 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
18156 * c-lex.c (GETC): Redefine to call getch.
18157 (UNGETC): Redefine to call put_back.
18158 (putback_buffer): New structure type.
18159 (putback): New static structure.
18160 (getch): New function.
18161 (put_back): New function.
18162 (yylex): Replace unused bytes from bad multibyte character.
18164 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
18166 * cpplib.c (do_define): Cast `alloca' return value.
18167 (do_include, do_undef, do_pragma): Likewise.
18168 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
18170 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
18171 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
18173 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
18175 * sparc.md (abstf2): This should be an expand.
18176 (split after abstf2_notv9): Fix mode.
18177 (abstf2_hq_v9): New pattern.
18178 (abstf2_v9): Only use when no hard quad.
18179 (absdf2_v9): Fix if target is not the same as source.
18180 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
18181 Add correct output constraints.
18183 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
18185 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
18186 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
18188 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
18190 * mips.h (mips_output_conditional_branch): New function.
18191 (mips_adjust_insn_length): Likewise.
18192 (ASSEMBLER_SCRATCH_REGNUM): New macro.
18193 (ADJUST_INSN_LENGTH): Likewise.
18194 * mips.c (print_operand): Add `F' and `W' for floating-point
18195 comparison opcodes.
18196 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
18198 (mips_adjust_insn_length): New function.
18199 (mips_output_conditional_branch): New function.
18200 * mips.md (length): Adjust attribute definition to handle
18201 conditional branches. Change lengths to bytes, rather than
18202 instructions throughout. Remove length attribute from
18203 instructions whose length is four bytes, and rely on the default
18205 (dslot): Fix typo in comment.
18206 Reword conditional branch patterns to use
18207 mips_output_conditional_branch.
18209 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18211 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
18212 (LIB_SPEC): Likewise.
18213 Link with -lprof1_r for -g/-pg.
18215 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18217 * loop.c (check_dbra_loop): Fix change of Jan 19.
18219 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
18221 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
18222 (STARTFILE_SPEC): Define, override the svr4.h version.
18223 (ENDFILE_SPEC): Likewise.
18225 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
18227 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
18228 * fixinc/fixincl.x: Regenerated.
18229 * fixinc/inclhack.sh: Regenerated.
18231 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18233 * sh.c (barrier_align): Don't return early for normal branch/barrier
18234 when optimizing for SH2.
18236 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
18238 * i386/udk.h (LINK_SPEC): Correct linker search path for
18241 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18243 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
18244 (braf_label_ref_operand): Delete.
18245 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
18246 * sh.md (casesi_jump_2): Operand1 is now the inside of a
18247 label_ref, and has no predicate.
18248 The patten has a predicate to guard against invalid substitutions.
18249 (dummy_jump): Delete.
18250 (casesi): Update use of casesi_jump_2.
18252 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18254 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
18255 *fixinc/fixincl.x: regenerate
18256 *fixinc/inclhack.sh: regenerate
18258 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
18260 * dwarf2out.c (add_incomplete_type): New fn.
18261 (gen_struct_or_union_type_die): Call it.
18262 (retry_incomplete_types): New fn.
18263 (dwarf2out_finish): Call it.
18265 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
18267 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
18268 current block starts with a CODE_LABEL and ends with a CALL and
18269 we can not find all the argument setup instructions for the CALL.
18271 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
18273 Revert this change:
18274 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18275 something is a candidate for optimize_bit_field_compare.
18277 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18279 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
18281 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
18283 * alpha.c (override_options): Thinko in last patch.
18285 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
18286 (LIB_SPEC): Recognize -pthread.
18288 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
18290 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
18291 definition in config/arm/coff.h
18292 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
18294 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18296 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
18297 fixes that need "file=xxx\n" prepended before invocation
18298 (start_fixer - new): starting the fixer process is complex enough
18299 to warrent its own routine. It prepends the "file=xxx\n" stuff.
18300 (process): uses the new routine; omit usage of putenv()
18301 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
18302 * fixinc/fixincl.x: regenerate
18304 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
18306 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
18307 and version #s (1.1 -> 2.96) as needed.
18308 * README.g77: Kill way out of date file in the toplevel directory.
18310 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
18312 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
18313 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
18314 * configure: Rebuilt.
18315 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
18316 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
18317 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
18318 (SWITCH_TAKES_ARG): Likewise.
18319 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
18320 * config/t-freebsd: Moved from config/i386/ so it can used for all
18323 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
18325 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
18327 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
18329 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
18330 * configure: Rebuilt.
18332 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
18334 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
18335 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
18336 * rs6000/rs6000.c (rs6000_file_start): Use putc.
18337 (rs6000_output_load_toc_table): Same.
18338 (output_prolog, output_mi_thunk): Same.
18339 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
18340 (ASM_GLOBALIZE_LABEL): Use putc.
18342 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
18344 * alpha.md (reload_*_help): New patterns and splitters.
18345 (reload_*): Use them.
18346 (mov[qh]i): Likewise.
18348 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
18350 * cccp.c (handle_directive): Handle backslash-newlines in quoted
18353 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
18355 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
18357 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
18359 * flow.c (mark_regs_live_at_end, insn_dead_p,
18360 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
18361 and HARD_FRAME_POINTER_REGNUM special treatment if reload
18362 hasn't run or the frame pointer is needed.
18363 * haifa-sched.c (attach_deaths): Likewise.
18364 * sched.c (attach_deaths): Likewise.
18366 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
18368 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
18369 calculate_can_reach_end returns nonzero.
18371 * configure.in (native gas tests): Search for an assembler in the
18372 same manner that the installed compiler will.
18373 * configure: Rebuilt.
18374 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
18376 * alias.c (find_base_term): Improve handling of addresses
18377 constructed from binary operations.
18379 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
18381 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
18383 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
18385 * function.h (cleanup_label, frame_offset): Declare.
18386 (tail_recursion_label, tail_recursion_reentry): Likewise.
18387 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18388 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
18389 (tail_recursion_label, tail_recursion_reentry): Likewise.
18390 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18392 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
18394 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
18396 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
18397 (MAX_OFILE_ALIGNMENT): Define.
18399 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
18401 * fixincl.c: Replace local include scheme with #includes of
18402 gansidecl.h and system.h.
18403 * procopen.c: Likewise.
18404 * server.c: Likewise.
18406 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
18408 * i386/t-dgux (EXTRA_PARTS): Add crti.o
18409 (crti.o): Add build rule and dependencies.
18410 * fixinc/fixinc.dgux: Use modified _int_varargs.h
18412 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18414 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
18415 (LIB_LINUX_SPEC): Likewise.
18416 (LIB_LINUX_SPEC): Add support for -pthread
18417 (CPP_OS_LINUX_SPEC): Likewise.
18418 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18421 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18423 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18425 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18426 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18427 for IEEE math and CC_FCOMI.
18428 (put_jump_code): No IEEE if CC_FCOMI is set.
18430 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18432 * fold-const.c (fold_truthop): Make the field reference unsigned
18433 when converting a single bit compare.
18435 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18437 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18439 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18441 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18442 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18445 * reload.c (push_reload): Do not call remove_address_replacements
18446 when presented with identical optional reloads.
18448 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18450 * alpha.h (MASK_FIX, TARGET_FIX): New.
18451 (MASK_*): Reorganize constants.
18452 (CPP_AM_FIX_SPEC): New.
18453 (TARGET_SWITCHES): Add FIX.
18454 (EXTRA_SPECS): Likewise.
18455 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18456 (SECONDARY_MEMORY_NEEDED): Likewise.
18457 (REGISTER_MOVE_COST): Likewise.
18458 * alpha.c (override_options): Add FIX support. Always use
18459 ALPHA_TP_PROG for ev6.
18460 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18461 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18462 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18464 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18466 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18467 something is a candidate for optimize_bit_field_compare.
18469 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18471 * gcc.texi (Passes): Document branch-shortening.
18472 * invoke.texi (Debugging Options): Document the fact that `-dp'
18473 outputs length information for instructions.
18475 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18477 * flow.c: Revert previous delta.
18479 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18481 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18482 FRAME_POINTER_REGNUM.
18483 (mark_set_1): Ditto.
18484 (mark_used_regs): Ditto.
18486 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18488 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18489 (GOT_PCREL): New macro. Define to 1 if not already defined.
18490 * arm/elf.h (GOT_PCREL): Define to 0.
18491 * arm.c (arm_finalize_pic): Take into account the setting of
18494 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18496 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18497 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18499 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18500 store elimination candidates.
18502 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18504 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18507 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18509 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18510 Add use of x-aix41-gld.
18512 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18514 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18515 (ASM_OUTPUT_DESTRUCTOR): Define.
18517 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18519 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18520 last CODE_LABEL in a loop if we have previously passed a jump
18521 to the top of the loop.
18523 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18525 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18526 applying Philip's patch.
18528 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18530 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18533 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18535 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18537 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18539 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18540 Also remove a useless comment.
18542 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18544 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18546 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18548 * collect2.c (main): Only generate import or export file and add
18549 to link arguments if non-empty. Use xmalloc not alloca.
18550 (write_{export,import}_file): Delete.
18551 (write_aix_file): New function.
18552 (locatelib): Use xmalloc not malloc.
18553 (GCC_OK_SYMBOL): Do not check type if aix64.
18555 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18557 Based on patch by Scott Bambrough and Pat Beirne:
18558 * config/arm/arm.c (making_const_table): New variable.
18559 * config/arm/arm.h (making_const_table): Declare.
18560 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18562 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18563 Keep track of when we are building the constant table.
18565 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18567 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18570 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18572 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18575 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18577 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18580 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18582 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18584 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18586 * rs6000.c (output_mi_thunk): Enable full support again.
18588 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18590 * sh.h (BRANCH_COST): Define.
18592 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18594 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18596 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18598 * function.c (assign_stack_local): Align stack slot propertly.
18599 (assign_outer_stack_local): Likewise.
18601 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18603 * expr.h (lang_expand_constant): Declare.
18604 * toplev.c (lang_expand_constant): Define it.
18605 * varasm.c (output_constant): Use it.
18607 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18609 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18610 Change function definitions to K&R style.
18612 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18614 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18616 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18618 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18619 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18620 (several places): omit static initialization
18621 (process): use single fd, since only the read fd is used
18622 * fixinc/gnu-regex.c: define 'const' away, if not supported
18623 * fixinc/procopen.c(several places): omit static initialization
18624 * fixinc/server.c: define 'volitile' away, if not supported
18626 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18628 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18629 asm_fprintf and %L to generate the label name.
18630 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18631 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18633 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18635 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18636 insn for a conditional jump can not be found.
18638 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18640 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18641 on variables in specific sections other than .sbss and .sdata.
18643 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18645 * stmt.c (expand_return): Call start_cleanup_deferral and
18646 end_cleanup_deferral around conditional code.
18648 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18650 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18651 filename lists. Utilizes new "krstr" AutoGen function.
18652 * fixinc/fixincl.x: Rebuilt.
18654 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18656 * i386.c (output_float_compare): Avoid GNU-C extensions.
18658 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18660 * version.c: Bump to distinguish mainline tree from the
18663 See ChangeLog.1 for earlier changes.