1 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
4 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
6 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
7 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8 (flow_loop_level_compute, low_loops_level_compute): Likewise.
9 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10 * basic-block.h: Protect from multiple inclusion.
11 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
12 (struct loops, struct loop): Define structures.
13 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14 * sbitmap.h: Protect from multiple inclusion.
15 (sbitmap_a_subset_b_p): Add prototype.
16 * Makefile.in (LOOP_H): New macro.
17 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
19 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
21 * cppinit.c (CAT): The argument list of this macro may not contain
24 1999-11-29 David S. Miller <davem@redhat.com>
26 Move quantity tables and register equivalence chains into
27 per-qty and per-register structure arrays respectively.
28 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
29 qty_const_insn, qty_comparison_code, qty_comparison_const,
30 qty_comparison_qty): Delete, replace with...
31 (qty_table): this structure table.
32 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
33 (reg_eqv_table): this structure table.
34 (make_new_qty): Add argument MODE. Caller updated.
35 Update to use qty_table and reg_eqv_table.
36 (make_regs_eqv, delete_reg_equiv, insert_regs,
37 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
38 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
39 cse_process_notes, cse_main, cse_basic_block): Likewise.
41 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
43 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
44 operation if C is negative.
45 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
46 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
47 law for some divisions if constant is negative and change other
48 divisions to the opposite rounding.
50 * expr.c (store_constructor_field): If bit position is not multiple
51 of alignment of TARGET's mode, use BLKmode.
53 * expr.c (expand_expr_unaligned): Add more code from full case
54 that is needed when OP0 is in a register.
56 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
58 * dwarfout.c (field_byte_offset): Size can be zero if there was
61 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
63 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
64 (associate_trees): Delete unused var TEM.
65 (extract_muldiv): Delete unused var CANCEL_P.
67 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
68 (target_isinf, target_isnan, target_negative): Add return types to
71 1999-11-29 Bruce Korb <autogen@linuxbox.com>
73 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
74 * fixinc/hackshell.tpl: ditto
75 * fixinc/fixtests.c(double_slash_test): more C++ header testing
76 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
78 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
80 * reload.c (push_reload): When looking for a register to put into
81 reg_rtx, make sure all hard regs in a multi-reg register are in the
82 right class and nonfixed.
84 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
85 pending_read_insns, pending_write_insns, pending_read_mems,
86 pending_write_mems, pending_list_length, last_pending_memory_flush,
87 last_function_call, sched_before_next_call): Move static variables
89 (bb_ prefixed versions): Replace with single array bb_deps.
90 (struct deps): New structure.
91 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
92 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
93 argument of type "struct deps *"; use that instead of global
94 variables. All callers changed.
95 (init_rgn_data_dependencies): Delete function.
96 (init_rtx_vector): Delete function.
97 (init_deps): New function.
99 (free_pending_lists): Simplify, we always use the bb_deps array even
100 if only one basic block.
101 (compute_block_backward_dependences): Likewise.
102 (schedule_region): Likewise.
104 (propagate_deps): New function, broken out of
105 compute_block_backward_dependences.
106 (compute_block_backward_dependences): Use it.
108 * alpha.md: Delete useless patterns that tried to work around
109 register elimination problems.
111 * unroll.c (loop_iterations): Don't abort if iteration variable
115 * reload1.c (reloads_conflict): Reverse test comparing operand
116 numbers when testing for conflict between output/outaddr reloads.
118 1999-11-29 David S. Miller <davem@redhat.com>
120 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
122 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
124 1999-11-28 Robert Lipe <robertl@cygnus.com>
126 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
127 table from .fini into .dtor.
129 1999-11-28 Anthony Green <green@cygnus.com>
131 * tree.h (struct tree_decl): Add malloc_flag.
132 (DECL_IS_MALLOC): Define.
133 * c-common.c (attrs): Add A_MALLOC attribute.
134 (init_attributes): Add this attribute to the table.
135 (decl_attributes): Handle malloc attribute.
136 * calls.c (special_function_p): Check for the malloc attribute.
137 * extend.texi (Function Attributes): Document malloc attribute.
139 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
141 * pa.md (reload shift-add patterns): Remove.
143 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
145 * reorg.c (dbr_schedule) Print more statistics. Corrected
146 problem when printing info when 3 delay slots are filled.
148 1999-11-28 Jakub Jelinek <jakub@redhat.com>
150 * combine.c (setup_incoming_promotions): Pass an outgoing
151 regno to FUNCTION_ARG_REGNO_P which it expects.
153 1999-11-28 Andreas Jaeger <aj@suse.de>
155 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
157 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
159 * cccp.c (do_include): Avoid initialization of automatic variable.
161 * integrate.c (mark_stores): Function definition made void, to match
162 previous declaration.
163 * regclass.c (dump_regclass): Ditto.
164 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
166 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
168 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
169 known to be multiple of divisor.
171 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
173 * combine.c (try_combine): Add code to try to merge a set of a
174 two-word pseudo to a constant with a setting of one of those words
177 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
178 (split_tree): Completely rework to make more general.
179 (make_range, fold): Call negate_expr.
180 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
181 (fold, associate): Call new split_tree and associate_trees.
182 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
184 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
186 * loop.c (try_copy_prop): Avoid GNU C extension.
188 1999-11-25 Mark Mitchell <mark@codesourcery.com>
190 * except.c (init_eh_for_function): Still zero eh_return_context,
191 eh_return_stack_adjust, and eh_return_handler.
193 * except.h (eh_status): Adjust documentation for x_protect_list.
194 (begin_protect_partials): New function.
195 * except.c (enqueue_eh_entry): Fix formatting.
196 (get_first_handler): Add consistency check.
197 (add_partial_entry): Adjust usage of protect_list.
198 (emit_cleanup_handler): Save and restore ehqueue.
199 (expand_start_all_catch): Add comment.
200 (begin_protect_partials): New function.
201 (end_protect_partials): Adjust usage of protect_list.
202 (init_eh_for_function): Use xcalloc.
204 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
206 * c-common.c (check_format_info): Don't call a variadic function
207 with a non-literal format string.
209 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
211 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
212 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
215 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
218 * collect2.c (collect_wait): Likewise.
220 * dbxout.c (dbxout_type): Likewise.
222 * gcc.c (do_spec_1): Likewise.
224 * genemit.c (gen_insn, gen_expand): Likewise.
226 * genrecog.c (write_switch, write_subroutine): Likewise.
228 * mips-tfile.c (catch_signal, botch): Likewise.
230 * print-rtl.c (print_rtx): Likewise.
232 * toplev.c (default_print_error_function, report_error_function,
233 _fatal_insn): Likewise.
235 1999-11-25 Mark Mitchell <mark@codesourcery.com>
237 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
239 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
241 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
242 operations when needed.
243 * i386.md (fop_?f_comm): New.
244 (fop_?f_1): Do not accept commutative operands.
246 1999-11-25 Andreas Jaeger <aj@suse.de>
248 * config/mips/mips.md (casesi_internal): Add missing brace.
250 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
252 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
253 (splice_child_die): Handle moving a child DIE from the declaration
254 DIE of a class to its specification.
255 (gen_struct_or_union_type_die): Use 'complete' consistently.
256 (gen_decl_die): Generate the virtual context DIE first.
257 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
259 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
261 * config/mips/mips.md (call_value_multiple_interanal1): New.
263 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
265 * dwarf2out.c (free_AT, free_die): New fns.
266 (remove_children): Call them.
267 (output_line_info): Disable removal of duplicate notes.
269 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
270 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
271 means pretend the type isn't defined.
272 Don't defer emitting types.
273 (gen_type_die_for_member): New fn.
274 (gen_decl_die): Call it.
275 (splice_child_die): New fn.
276 (gen_member_die): Call it rather than generate duplicate dies.
278 Defer emitting information for the abstract instance of an inline
279 until we either inline it or emit an out-of-line copy.
280 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
281 from output_inline_function if DECL_ABSTRACT is also set.
282 (block_ultimate_origin): Likewise.
283 (gen_abstract_function): New fn.
284 (gen_decl_die, gen_inlined_subroutine_die): Call it.
285 (gen_subprogram_die): An abstract instance is not a declaration
286 just because it doesn't match current_function_decl. Don't abort
287 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
288 has an abstract origin.
289 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
290 abstract instance here.
292 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
294 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
295 where we need to reload fpul from a system register.
297 1999-11-24 Andreas Jaeger <aj@suse.de>
299 * config/mips/linux.h (CPP_PREDEFINES): Added.
300 (LINK_SPEC): Remove -Y since this is only needed on sparc.
302 1999-11-24 Andreas Jaeger <aj@suse.de>
304 * config/mips/linux.h (TARGET_VERSION): Added.
305 (HANDLE_SYSV_PRAGMA): Added.
306 (DEFAULT_VTABLE_THUNKS): Added.
308 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
310 * local-alloc.c (qty): New structure and static variable.
311 (qty_phys_reg): Remove, all references changed to qty.
312 (qty_n_refs): Likewise.
313 (qty_min_class): Likewise.
314 (qty_birth): Likewise.
315 (qty_death): Likewise.
316 (qty_size): Likewise.
317 (qty_mode): Likewise.
318 (qty_n_calls_crossed): Likewise.
319 (qty_alternate_class): Likewise.
320 (qty_changes_size): Likewise.
321 (qty_first_reg): Likewise.
322 (alloc_qty): Rename variable QTY to QTYNO.
323 (finf_free_reg): Likewise.
324 (local_alloc): Allocate qty, do not allocate the removed variables.
326 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
328 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
329 when -membedded-pic is passed.
331 * config/mips/mips.md (casesi): Handle 64-bit case too.
332 (casesi_internal_di): New insn.
334 * config/mips/mips.c (embedded_pic_offset): Always make the
335 embedded-pic subtractions relative to the name of the current
336 function by use of the magic string "..CURRENT_FUNCTION".
337 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
339 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
341 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
342 of (const_int 0), when what we really care about is
343 whether it's a zero constant anyway.
344 (div_trap_mips16): Likewise.
346 1999-11-23 Mark Mitchell <mark@codesourcery.com>
348 * loop.c (loop_optimize): Always find_loop_tree_blocks and
349 unroll_block_trees when generating debuggable code.
351 * tree.h (unsave_expr_1): New function.
352 (lang_unsave): New variable.
353 (get_callee_fndecl): New function.
354 * tree.c (unsave_expr_now_r): New function.
355 (lang_unsave): Define.
356 (unsave_expr_1): Likewise.
357 (unsave_expr_now_r): Split out from unsave_expr_now.
358 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
359 call unsave_expr_now_r.
360 (get_callee_fndecl): Define.
362 * Makefile.in (gencheck): Don't depend on lang_tree_files.
363 (gencheck.o): Do depend on lang_tree_files.
365 * integrate.h (copy_decl_for_inlining): New declaration.
366 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
367 (copy_decl_for_inlining): New function.
368 (integrate_parm_decls): Use it.
369 (integrate_decl_tree): Likewise.
371 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
373 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
374 the second two from the first.
375 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
376 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
377 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
379 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
380 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
383 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
385 * pa.md (call_internal_symref, call_value_internal_symref): No mode
386 needed on the address operand.
387 * pa.c (call_operand_address): Check for the correct mode.
389 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
391 * loop.c: Include "basic-block.h".
392 (try_copy_prop, replace_loop_reg): New functions.
393 (load_mems): Detect registers that just hold copies of the hoisted
394 mem, and call try_copy_prop to eliminate them.
395 * Makefile.in (loop.o): Update dependencies.
397 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
399 * Makefile.in (gencheck.o): Depend on gencheck.h.
400 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
401 (insn-peep.o): Depend on except.h and function.h.
402 (insn-attrtab.o): Depend on RECOG_H.
403 (insn-output.o): Depend on toplev.h and flags.h.
404 (gengenrtl.o): Depend on real.h.
405 (gen-protos.o): Depend on cpplib.h and cpphash.h.
406 Unify all dependencies to be on RECOG_H rather than recog.h.
408 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
410 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
411 * configure.in: Try building a bi-arch 32/64-bit compiler on
412 sparc-*-solaris2.7 and higher.
413 * configure: Rebuild.
415 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
417 * config/freebsd.h: New, FreeBSD architecture independent file.
418 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
420 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
421 directly by i386/freebsd.h.
422 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
423 independent configuration file.
424 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
425 directly by i386/freebsd.h.
426 * configure: Rebuilt.
428 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
429 which is in the user's namespace.
430 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
431 `i386' which is not in our namespace.
433 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
435 * invoke.texi (ARM Options): Add in -mno-alignment-traps
437 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
439 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
440 (add_dwarf_attr, add_child_die): Just push onto the front.
441 (reverse_die_lists): New fn.
442 (add_sibling_attributes): Use it.
443 (push_decl_scope): Reorganize.
444 (add_name_and_src_coords_attributes): Don't set file and line for
446 (gen_subprogram_die): An artificial function doesn't need to match
448 (gen_compile_unit_die): Return the generated die. Only add
449 AT_comp_dir if the filename is relative.
450 (remove_AT): Simplify loop. Also free string values.
451 (output_die): A DIE ref can't be null.
452 (output_value_format, value_format): Take a dw_attr_ref.
453 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
454 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
455 AT_addr, AT_lbl): New fns.
459 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
461 * combine.c (combine_simplify_rtx): When handling a SUBREG,
462 take SUBREG_WORD into account.
463 (if_then_else_cond): Likewise.
465 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
467 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
468 clause from BSD license, pursuant with
470 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
472 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
474 * loop.c (load_mems): Reformat slightly.
475 * basic-block.h (regset_head): New typedef.
476 (INIT_REG_SET): New macro.
478 1999-11-22 Bruce Korb <autogen@linuxbox.com
480 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
481 (mips-dec-bsd*): non-functional code
482 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
484 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
485 added three replacement fixes
486 (no_double_slash): removed comments that are not (any longer) pertinent
487 (bad_lval): this fix currently runs against many files.
488 The comment seems to indicate that we should select for files
489 containing 'pragma extern_prefix'.
491 * fixinc/fixinc.x86-linux-gnu: deleted
492 * fixinc/inclhack.sh: regen
493 * fixinc/fixincl.x: regen
494 * fixinc/fixincl.sh: regen
496 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
498 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
499 its code is INSN and it has no notes.
501 1999-11-22 Andrew Haley <aph@cygnus.com>
503 * varasm.c (function_defined): Remove.
504 (make_function_rtl): Don't set function_defined.
505 (make_decl_rtl): Remove global register warning.
506 * regclass.c (no_global_reg_vars): New variable.
507 (globalize_reg): Warn if function has already been defined.
508 (regclass_init): Set no_global_reg_vars.
510 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
512 * regclass.c (reg_pref): New structure and static variable
515 (all uses of prefclass and altclass): Use reg_pref instead.
517 1999-11-21 Nick Clifton <nickc@cygnus.com>
519 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
521 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
522 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
523 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
525 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
527 * varasm.c (output_constructor): Solve problem with long long
528 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
530 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
532 * global.c (allocno): New structure and static variable.
533 (allocno_reg): Remove, all references replaced by allocno.
534 (allocno_size): Likewise.
535 (hard_reg_conflicts): Likewise.
536 (hard_reg_preferences): Likewise.
537 (hard_reg_copy_preferences): Likewise.
538 (hard_reg_full_preferences): Likewise.
539 (regs_someone_prefers): Likewise.
540 (allocno_calls_crossed): Likewise.
541 (allocno_n_refs): Likewise.
542 (allocno_live_length): Likewise.
543 (find_reg): Rename ALLOCNO to NUM.
545 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
547 (may_move_out_cost): New variable.
548 (init_reg_sets_1): Initialize may_move_out_cost.
549 (record_reg_classes): Use may_move_out_cost.
551 * regclass.c (dump_regclass): New function.
552 (regclass): New parameter DUMP, call DUMP_REGCLASS.
553 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
554 pass rtl_dump_file to regclass.
555 * rtl.h (regclass): Update prototype.
557 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
559 * i386.md (neg, not and abs patterns): Revmap to use
560 ix86_expand_unary_operator and ix86_unary_operator_ok.
561 (add?f and sub?f expanders): Force operand 1 to register.
562 * i386.c (ix86_expand_unary_operator): Rewrite.
563 (ix86_unary_operator_ok): Ensure that memory operands
565 (ix86_binary_operator_ok): Do not allow operand 1 to
566 come into memory and operand 0 not.
567 (ix86_expand_binary_operator): Ensure that
568 src1 is not non-matching memory.
570 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
571 to support integer registers and memory.
572 (abss?2_integer): Likewise.
574 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
575 (REG_CLASS_NAMES): Likewise.
576 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
578 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
579 (movsf): Likewise; unify 4th and 5th alternative.
581 (movdf_1): Likewise; rename to movdf_integer.
582 (pushxf): Likewise; rename to pushxf_integer; fix output template;
583 remove redundant splitter.
584 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
585 (movdf_nointeger): New.
586 (movxf_nointeger): New.
587 (pushxf_nointeger): New.
589 * i386.md (extend?f?f): Split to expander and pattern, refuse two
590 memory operands in patterns.
591 (fop*): Refuse two memory operands.
593 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
594 on !TARGET_USE_CLTD CPUs.
596 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
598 * extend.texi: Document C++ restricted pointers and references.
600 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
602 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
603 (invalidate_skipped_set): Call it unconditionally.
604 (cse_set_around_loop): Likewise.
606 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
608 * rtl.texi (mem): Add documentation for alias-set argument
611 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
613 * i386.h (struct_processor_costs): New fields int_load, int_store,
614 fp_move, fp_load and fp_store
615 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
617 (MEMORY_MOVE_COST): New macro.
618 * i386.c (386_cost): Define new fields.
619 (i486_cost): Likewise.
620 (pentium_cost): Likewise.
621 (pentiumpro_cost): Likewise.
624 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
625 Geoffrey Keating <geoffk@cygnus.com>
627 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
629 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
632 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
633 (TARGET_STRICT_ALIGNMENT): New macro.
634 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
635 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
636 * invoke.texi (M680x0 Options): Document -mstrict-align.
638 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
639 Richard Henderson <rth@cygnus.com>
641 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
642 (ix86_split_long_move): Declare.
643 * i386.c (split_xf, ix86_split_movdi): Remove.
644 (ix86_split_to_parts, ix86_split_long_move): New.
645 * i386.md (dimode move splitters): Use ix86_split_long_move.
646 (dfmode move splitters): Likewise.
647 (xfmode move splitters): Likewise.
648 (movsf_1): Allow F->r.
649 (movdf_1, movxf_1): Allow F->ro.
651 1999-11-17 Mark Mitchell <mark@codesourcery.com>
653 * except.h (struct eh_entry): Add goto_entry_p.
654 (eh_region_from_symbol): Remove prototype.
655 * except.c (find_func_region_from_symbol): New function.
656 (emit_cleanup_handler): Likewise.
657 (eh_region_from_symbol): Make it static.
658 (add_new_handler): Verify the argument.
659 (find_func_region): Update comment.
660 (expand_eh_region_end): Expand handlers here, rater than waiting
661 until expand_leftover_cleanups or start_all_catch.
662 (expand_leftover_cleanups): Don't expand here.
663 (expand_start_all_catch): Or here.
664 (expand_rethrow): Check the return value from find_func_region.
665 * function.c (expand_function_end): Emit the catch_clauses.
667 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
669 * integrate.c (expand_inline_function): Add necessary check for NULL.
671 1999-11-18 Nick Clifton <nickc@cygnus.com>
673 * toplev.c (main): Correctly detect an unrecognised option.
675 * cppinit.c (cpp_handle_option): Do not claim to have consumed
676 a -f option if it has not been recognised.
678 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
680 * basic-block.h (update_life_extent): Remove trailing comma on
681 enumeration type list.
683 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
685 * varasm.c (output_constructor) Solved problem with long long
686 bitfields. Corrected calculating this_time and shift. Also
687 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
689 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
691 * flow.c (split_edge): Take looping structure into account when
692 determining where to put the new block note.
694 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
696 * Makefile.in (ggc-none.o): Provide host specific version if
699 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
701 * cse.c (delete_trivially_dead_insns): Identify no-op insns
702 containing subregs too.
704 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
706 * invoke.texi: Add documentation for -muninit-const-in-rodata.
707 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
708 (TARGET_UNINIT_CONST_IN_RODATA): Define.
709 (text_section): Add switches -munint-const-in-rodata and
710 -mno-uninit-const-in-rodata.
711 (ASM_OUTPUT_COMMON): Remove.
712 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
713 const objects should be placed in read-only data. Otherwise declare
716 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
718 * jump.c (jump_optimize_1): Revert last change.
720 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
722 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
723 test if optimizing for size.
725 1999-11-17 Mark Mitchell <mark@codesourcery.com>
727 * Makefile.in (toplev.o): Depend on except.h.
728 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
730 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
732 * i386.md (divmodsi4): Rewrite to expander.
733 (*divmodsi4_nocltd): New.
734 (*divmodsi4_cltd): New.
735 (divmodsi4 splitter): Handle the case when input comes in edx.
736 (udivmodhi4): Do not use constraints in exander.
737 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
739 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
741 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
744 1999-11-16 Jakub Jelinek <jakub@redhat.com>
746 * explow.c (hard_function_value): Add outgoing argument.
747 * expr.h (hard_function_value): Declare it.
748 * calls.c (expand_call, emit_library_call_value): Update callers.
749 * function.c (aggregate_value_p): Ditto.
750 (diddle_return_value): Must look at the outgoing registers
751 on archs with register windows.
753 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
755 * alpha.c (alpha_build_va_list): Use make_lang_type and
756 initialize TYPE_NAME for the va_list record.
758 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
760 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
762 * ggc.h (struct ggc_statistics): Rearrange elements for better
763 packing on 64-bit hosts.
764 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
765 (compute_nearerout): Likewise.
767 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
769 * config/rs6000/rs6000.c (first_reg_to_save): Save
770 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
772 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
774 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
775 notion of nesting to find the DIE for a type or function.
776 DIEs can go in limbo even if we got a context_die.
777 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
778 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
780 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
781 (gen_type_die): Writing out the context doesn't cause member class
782 template instantiations to be written out as well.
784 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
786 * rs6000.h (ASM_OUTPUT_DEF): New.
787 Based on proposed addition from David Edelsohn.
789 1999-11-15 Robert Lipe <RobertLipe@usa.net>
790 Bruce Korb <autogen@linuxbox.com>
792 * fixinc/inclhack.def
793 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
794 (unixware7_byteorder_fix): added. Removes conflicts for new defs
796 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
797 (svr4_endian): enabled with SVR5
798 (svr4_mkdev): simplified syntax and enabled with SVR5
800 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
802 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
803 * configure: Rebuilt.
804 * config/t-freebsd-thread: New file.
806 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
808 * i386.c (ix86_decompose_address): Verify the base is a REG
809 before trying to examine its register number.
811 * basic-block.h: Remove all #defines and prototypes related to
813 (free_bb_mem, compute_preds_succs): Remove prototype.
814 * rtl.h (free_bb_mem): Remove prototype.
815 * flow.c (alloc_int_list_node); Remove function.
816 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
817 (compute_preds_succs, free_bb_mem): Likewise.
818 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
819 * toplev.c (rest_of_compilation): Likewise.
820 * haifa-sched.c (build_control_flow): Use flow generated edge
821 list to build the haifa specific edge list.
822 (find_rgns): Use new CFG data structures instead of pred/succ lists.
823 (schedule_insns): Do not build pred/succ lists anymore. Instead
824 build the edge table.
826 * basic-block.h (dump_bb_data): Remove declaration.
827 * flow.c (dump_bb_data): Remove function.
828 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
829 (sbitmap_union_of_predsucc): Likewise.
831 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
832 argument. All callers changed.
833 (delete_null_pointer_checks_1): No longer need to compute the
836 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
838 (pre_expr_reaches_here_p_work): Likewise.
839 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
840 * lcm.c (compute_laterin): Fix initialization of LATER.
841 (compute_nearerout): Similarly for NEARER.
843 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
845 * cse.c (set_nonvarying_address_components): Delete unused function.
846 (refers_to_p): Likewise.
848 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
850 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
853 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
855 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
856 definition in do while (0).
858 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
860 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
862 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
864 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
866 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
868 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
869 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
870 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
871 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
873 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
874 saved on the stack. Output more accurate stack frame statistics
877 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
879 * genextract.c (record_insn_name): New function.
880 (get_insn_name): No longer a stub.
881 (main): Call record_insn_name for each insn. After each label
882 written, print the insn name in a comment.
884 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
886 * output.h (const_section, init_section, fini_section): Add
889 * alpha/elf.h (const_section): Delete declaration.
891 * svr4.h (const_section): Likewise.
893 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
895 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
896 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
897 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
899 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
900 variable-sized array bounds.
902 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
904 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
907 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
909 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
910 addresses the same way GO_IF_LEGITIMATE_INDEX does.
912 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
914 * cse.c (hash_arg_in_struct): Delete.
915 (struct table_elt): Delete elt in_struct.
916 (struct set): Delete elt src_in_struct.
917 (merge_equiv_classes): Don't set either hash_arg_in_struct or
918 the corresponding in_struct elts.
919 (canon_hash): Likewise.
920 (safe_hash): Likewise.
921 (find_best_addr): Likewise.
922 (record_jump_cond): Likewise.
923 (cse_insn): Likewise.
925 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
927 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
929 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
932 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
934 * function.c (diddle_return_value): Put back check that the DECL_RTL
935 for the function is a register.
937 * function.c (diddle_return_value): Use hard_function_value to
938 get an rtx suitable for use in the USE/CLOBBER insn.
940 * global.c (global_conflicts): Update comments.
941 (record_conflicts): No need to record conflicts between pseudos here.
943 1999-11-11 Bruce Korb <autogen@linuxbox.com>
945 * fixinc/fixincl.c: Added verbose levels for status messages
947 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
949 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
950 operand as argument to expand_and or expand_binop.
952 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
954 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
957 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
959 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
961 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
963 * flow.c (compute_flow_dominators): Initially put all blocks on
965 * lcm.c (compute_antinout_edge, compute_available): Similarly.
966 * gcse.c (compute_cprop_avinout): Remove.
967 (compute_cprop_data): Use compute_available.
968 (delete_null_pointer_checks_1): Use compute_available.
970 * basic-block.h (compute_available): Returns a void now.
971 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
972 to return a value anymore.
973 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
974 worklists. Fix boundary cases. Compute maximal solutions.
975 (compute_laterin, compute_nearerout): Similarly.
977 * dwarf2out.c (add_AT_location_description): Allow
978 (mem (plus (pseudo) (...)) too.
980 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
982 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
984 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
985 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
987 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
989 * gansidecl.h: Likewise.
995 * toplev.h: Likewise.
1001 * varray.c: Likewise.
1003 * varray.h: Likewise.
1005 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1007 * gcov.c (struct arcdata): Add hits and total, remove prob.
1008 (output_branch_counts): New.
1009 (process_args): Set output_branch_counts if -c.
1010 (calculate_branch_probs): Store hits and total instead of
1012 (output_data): Emit counts if output_branch_counts is true.
1013 * gcov.texi (Invoking Gcov): Document -c switch..
1015 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1017 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1018 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1020 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1022 * invoke.texi (C Dialect Options): Add missing builtins from
1024 * extend.texi (Other Builtins): Copy to this list.
1026 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1028 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1029 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1032 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1034 * flow.c (compute_flow_dominators): No longer treat basic block 0
1035 or (n_basic_blocks - 1) specially. Clear the AUX field before
1036 starting computation of doms/pdoms. Fix initial state for pdoms.
1038 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1040 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
1041 match rtl.o's: added ggc.h and toplev.h
1042 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
1043 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
1044 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
1046 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
1048 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
1049 from HAVE_DOS_BASED_FILESYSTEM.
1050 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
1051 HAVE_DOS_BASED_FILESYSTEM.
1053 (split_directories): Only special-case DOS file names if
1054 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
1055 instead of explicit tests. Conditionalize on !VMS.
1056 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
1057 tests. Conditionalize on !VMS.
1058 (process_command): Only use make_relative_prefix if !VMS.
1059 (free_split_directories): Conditionalize on !VMS.
1060 (DIR_UP): Conditionalize on !VMS.
1062 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
1064 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
1066 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1068 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
1071 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
1073 * invoke.texi (Environment Variables): Document relative path
1075 * gcc.c (DIR_UP): If not defined, define as "..".
1076 (standard_bindir_prefix): New static, holds target location to
1078 (split_directories): New function to split a filename into
1079 component directories.
1080 (free_split_directories): New function, release memory allocated
1081 by split_directories.
1082 (make_relative_prefix): New function, make a relative pathname if
1083 the compiler is not in the expected location.
1084 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
1085 can figure out an appropriate prefix from argv[0].
1086 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
1087 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
1088 STANDARD_BINDIR_PREFIX.
1090 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1092 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
1094 * config/c4x/c4x.h: Moved prototypes to c4x.h.
1095 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
1096 c4x_secondary_memory_needed) Delete.
1097 (fp_zero_operand): Add mode argument.
1099 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
1101 * reload1.c (reload_reg_free_for_value_p): Don't use a register
1102 that is in reload_reg_used.
1104 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
1106 * config/arm/arm-protos.h: New file: Prototypes for functions
1107 defined in arm.c and pe.c.
1108 * config/arm/arm.h: Fix compile time warnings.
1109 * config/arm/arm.c: Fix compile time warnings.
1110 * config/arm/pe.h: Fix compile time warnings.
1111 * config/arm/aout.h: Fix compile time warnings.
1113 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
1115 * config/m32r/m32r-protos.h: New file: Prototypes for functions
1118 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
1119 Add support for subtargets.
1120 Add prototypes for new predicates.
1121 Add scheduling macros.
1123 * config/m32r/m32r.c: Fix compile time warnings.
1124 (int8_operand): New predicate function.
1125 (reg_or_cmp_int16_operand): New predicate function.
1126 (extend_operand): New predicate function.
1127 (m32r_adjust_code): New scheduling function.
1128 (m32r_adjust_priorty): New scheduling function.
1129 (m32r_sched_init): New scheduling function.
1130 (m32r_sched_reorder): New scheduling function.
1131 (m32r_sched_variable_issue): New scheduling function.
1132 (direct_return): New codegen function.
1133 (m32r_not_same_reg): New rtl testsing function.
1135 * config/m32r/m32r.md: Fix compile time warnings.
1136 Add support for pre decrement and post increment memory
1141 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1143 * global.c (EXECUTE_IF_CONFLICT): Don't define.
1144 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
1145 (find_reg): Likewise.
1147 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
1149 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
1150 to avoid assembler errors.
1152 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
1154 * config/v850/v850-protos.h: New file: Prototypes for functions
1156 * config/v850/v850.h: Move prototypes to v850-protos.h
1157 * config/v850/v850.c: Move prototypes to v850-protos.h
1158 * config/v850/v850.md: Fix compile time warnings.
1160 * config/fr30/fr30-protos.h: New file: Prototypes for functions
1162 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
1163 * config/fr30/fr30.c: Fix compile time warnings.
1164 * config/fr30/fr30.md: Fix compile time warnings.
1166 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
1168 * tree.h (get_containing_scope): Declare it.
1169 * tree.c (get_containing_scope): New fucntion.
1170 (decl_function_context): Use it.
1171 * toplev.c (rest_of_compilation): Use get_containing_scope.
1173 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1175 * Makefile.in (rtl.o): Depend on toplev.h.
1177 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
1179 * cse.c (delete_trivially_dead_insns): Replace alloca with
1181 * except.c (update_rethrow_references): Likewise.
1182 (init_eh_nesting_info): Likewise.
1183 * function.c (identify_blocks): Likewise.
1184 * gcse.c (dump_hash_table): Likewise.
1185 * graph.c (print_rtl_graph_with_bb): Likewise.
1186 * loop.c (combine_movables): Likewise.
1187 (move_movables): Likewise.
1188 (count_loop_regs_set): Likewise.
1189 (strength_reduce): Likewise.
1190 * profile.c (compute_branch_probabilities): New function, split
1192 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
1193 * regclass.c (regclass): Likewise.
1194 * regmove.c (regmove_optimize): Likewise.
1195 * toplev.c (compile_file): Likewise.
1196 (main): Don't mess with the stack rlimit.
1198 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
1200 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
1201 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
1203 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
1205 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
1207 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
1209 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
1210 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
1213 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
1215 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
1217 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
1219 * gcse.c (post_dominators): Kill.
1220 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
1221 (compute_code_hoist_data): Use compute_flow_dominators. Do not
1222 pass in a pdom array since we do not need pdoms.
1223 * haifa-sched.c (schedule_insns): Similarly.
1224 * flow.c (compute_dominators): Remove dead function.
1225 (compute_flow_dominators): Do not compute doms or pdoms if the
1226 caller does not request them. Split up loop to build doms and
1227 pdoms. Use a worklist to compute doms and pdoms.
1228 * basic-block.h (compute_dominators): Remove prototype.
1230 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
1232 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
1233 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
1234 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
1235 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
1236 (cant_move, fed_by_spec_load, is_load_insn): Remove.
1237 (schedule_region): Remove unused variable.
1238 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
1240 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
1242 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
1243 (update_equiv_regs): Likewise.
1244 (block_alloc): Likewise.
1245 * reg-stack.c (reg_to_stack): Likewise.
1246 (convert_regs_2): Likewise.
1247 * reload1.c (reload_as_needed): Likewise.
1249 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
1251 * Makefile.in (dbxout.o): Depend on ggc.h.
1252 (dwarf2out.o): Likewise.
1253 (xcoffout.o): Likewise.
1254 * dbxout.c: Include ggc.h.
1255 (dbxout_init): Register lastfile as a root.
1256 * dwarf2out.c: Include ggc.h.
1257 (dwarf2out_line): Register lastfile as a root.
1258 * xcoffout.c: Include ggc.h.
1259 (xcoffout_source_line): Register xcoff_lastfile as a root.
1261 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
1263 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
1265 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
1267 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
1269 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1271 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1273 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
1274 (EXECUTE_IF_CONFLICT): Likewise.
1275 (ALLOCNO_LIVE_P): Avoid signed division.
1276 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
1277 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
1278 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
1280 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
1282 * haifa-sched.c (schedule_block): Don't crash if there's no
1283 next insn for an interblock movement.
1284 (add_branch_dependences): Don't allow clobber insns to move either.
1286 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
1288 * i386.c (split_xf): New.
1289 * i386-protos.h: Declare it.
1290 * i386.md (movxf_1): Add general regs alternatives.
1291 (movxf_1+1): New splitter for same.
1293 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
1295 * function.c (purge_addressof_1): Add missing return values.
1297 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
1299 * function.c (is_addressof): New function. Returns true if
1300 the given piece of RTL is an ADDRESSOF.
1301 (purge_addressof_1): Make boolean. Return false if the
1302 ADDRESSOFs could not be purged.
1303 (purge_addressof): If ADDRESSOFs could not be purged from the
1304 notes attached to an insn, remove the offending note(s),
1305 unless they are attached to a libcall.
1307 1999-11-05 Andreas Jaeger <aj@suse.de>
1309 * genoutput.c (null_operand =): Initialize all fields.
1311 * errors.h: Add extern to prototypes.
1313 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
1315 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
1316 * configure: Rebuilt.
1318 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1320 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
1321 (mirror_conflicts): New function.
1322 (global_alloc): Call it.
1323 (expand_preferences): Remove redundant CONFLICTP test.
1324 (find_reg, dump_conflicts): Likewise.
1325 (prune_preferences): Process conflicts one word at a time.
1327 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
1329 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
1330 instead of an explicit loop.
1332 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
1334 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
1335 if REG_RETVAL check succeeds, then put classp in src_elt.
1337 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
1339 * function.c (pad_to_arg_alignment): Only update argument_pad
1340 if the argument's alignment is greater than STACK_BOUNDARY.
1342 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
1344 * bitmap.h (BITMAP_XFREE): New.
1345 * flow.c (life_analysis): Use it.
1346 (life_analysis_1): Free blocks.
1348 * combine.c (undo_commit): New.
1349 (try_combine): Use it. Don't zap undobuf.undos.
1350 (combine_instructions): Don't zap undobuf.undos; free the
1353 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
1355 * stmt.c (cost_table_): New.
1356 (estimate_case_costs): Use it instead of xmalloc.
1358 * toplev.c (compile_file): Reuse dumpname memory instead
1361 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
1363 * reg-stack.c (convert_regs_1): Initialize target_stack->top
1364 after verifying an EH edge.
1366 * haifa-sched.c (init_rgn_data_dependences): Correctly
1367 size bb_pending_lists_length when zeroing.
1369 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
1371 * function.c (diddle_return_value): New.
1372 (expand_function_end): Use it.
1373 * stmt.c (expand_null_return): Likewise.
1374 (expand_value_return): Likewise.
1376 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
1378 * reload1.c (reload): Don't remove return value clobbers.
1380 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
1382 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
1384 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
1386 * cse.c (cse_main): Use xmalloc, not alloca.
1387 (cse_basic_block): Likewise.
1388 * local-alloc.c (local_alloc): Likewise.
1390 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
1391 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1393 * rtl.c: Include toplev.h.
1394 (fatal): Remove declaration.
1396 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
1398 * haifa-sched.c (schedule_block): Fix thinko.
1400 1999-11-03 James McKelvey <mckelvey@fafnir.com>
1402 * fixinc/fixincl.c(create_file): Allow for systems that do not have
1403 S_IR* defined values
1405 1999-11-03 Philippe De Muyter <phdm@macqel.be>
1407 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
1408 call `malloc' instead.
1410 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
1412 * flags.h (flag_renumber_insns): Declare.
1413 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
1415 * rtl.h (renumber_insns): Change prototype.
1416 * toplev.c (flag_renumber_insns): Define.
1417 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
1419 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
1421 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
1422 and fpsqrtd. Use them and create fdiv function unit to more
1423 accurately represent fpu sqrt pipeline semantics on UltraSparc.
1424 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
1426 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
1428 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
1430 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
1431 insn into ready list, do not use just a raw swap.
1433 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
1435 * rtl.h (renumber_insns): New function.
1436 (remove_unnecessary_notes): Likewise.
1437 * emit-rtl.c (renumber_insns): Define.
1438 (remove_unncessary_notes): Likewise.
1439 * toplev.c (rest_of_compilation): Remove dead code.
1440 Use renumber_insns and remove_unncessary_notes.
1442 * gcse.c (struct null_pointer_info): New type.
1443 (get_bitmap_width): New function.
1444 (current_block): Remove.
1445 (nonnull_local): Likewise.
1446 (nonnull_killed): Likewise.
1447 (invalidate_nonnull_info): Take a null_pointer_info as input.
1448 (delete_null_pointer_checks_1): New function.
1449 (delete_null_pointer_checks): Use it.
1451 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
1452 (split_edges): Likewise.
1453 (schedule_block): Likewise.
1454 (compute_block_backward_dependencies): Likewise.
1455 (schedule_region): Likewise.
1456 (schedule_insns): Likewise.
1458 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
1460 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
1461 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
1462 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
1463 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
1464 * jump.c (delete_unreferenced_labels): Don't delete if
1465 LABEL_ALTERNATE_NAME is set.
1466 * print-rtl.c (print_rtx): Dump alternate name.
1467 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
1468 * rtl.h (LABEL_ALTERNATE_NAME): Define.
1469 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
1470 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1472 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1474 * fix-header.c (recognized_extern, recognized_function): Constify
1477 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1478 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1479 (compute_available): Remove unused variable `last'.
1480 (compute_nearerout): Remove unused variable `temp_bitmap'.
1481 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1482 Remove unused variable `x'.
1484 * scan.h (recognized_function, recognized_extern): Constify a
1487 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1489 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1491 * varasm.c (decode_rtx_const): Use XSTR to access the string
1494 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1496 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1498 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1500 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1502 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1504 * pa.c (ireg_operand): New function.
1505 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1506 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1507 Fix out of date comment.
1509 * pa.md (negdi2): Turn into expander + anonymous pattern.
1511 * reload.c (find_reloads): Fix typos in recent change.
1513 * dwarf2out.c: Do not include ctype.h.
1515 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1517 * regclass.c (record_reg_classes): Always use may_move_cost when
1518 seeing how operand fits with various register classes.
1520 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1522 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1523 * toplev.c: Revert Nov 1 13:22 change.
1525 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1527 * config/pa/pa.md (height reduction patterns): Add checks for
1528 overlapping operands to avoid semantic-destroying splits for
1529 height reduction patterns.
1531 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1533 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1534 have been an hyphen, fixed.
1535 * configure: Rebuilt.
1537 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1539 * config/arm/tpe.h: Add prototypes for exported functions.
1540 * config/arm/pe.c: Fix compile time warnings.
1541 * config/arm/semi.h: Fix compile time warnings.
1542 * config/arm/arm.c: Fix compile time warnings.
1543 * config/arm/arm.h: Fix compile time warnings.
1544 * config/arm/arm.md: Fix compile time warnings.
1545 * config/arm/thumb.c: Fix compile time warnings.
1546 * config/arm/thumb.h: Fix compile time warnings.
1547 * config/arm/thumb.md: Fix compile time warnings.
1549 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1551 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1554 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1555 completely unrolled.
1557 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1559 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1561 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1563 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1564 * rtl.h (rtx_equal_p): Move prototype.
1565 * rtl.c (rtx_equal_function_value_matters): Move from
1567 (rtx_equal_p): Likewise.
1568 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1569 (rtx_equal_p): Likewise.
1571 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1573 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1576 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1578 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1580 * pa.h (ADDR_VEC_ALIGN): Define.
1582 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1583 notes when presented with "if (foo) break; end_of_loop" and
1584 the break sequence gets moved out of the loop.
1586 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1587 Remove explicit zero initializations of entries within MAP.
1589 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
1591 * reg-stack.c (convert_regs_1): Handle EH edges specially.
1593 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
1595 * bitmap.h (BITMAP_XMALLOC): New macro.
1596 * flow.c (CLEAN_ALLOCA): Remove.
1597 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
1598 (life_analysis): Likewise.
1599 (update_life_info): Don't use CLEAN_ALLOCA.
1600 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
1601 (calculate_global_regs_live): Likewise.
1602 (print_rtl_with_bb): Likewise.
1603 (verify_flow_info): Likewise.
1604 * global.c (global_alloc): Likewise.
1605 (global_conflicts): Likewise.
1606 * integrate.c (save_for_inline_nocopy): Likewise.
1607 (expand_inline_function): Likewise.
1608 * jump.c (jump_optimize_1): Likewise.
1609 (duplicate_loop_exit_test): Likewise.
1610 (thread_jumps): Likewise.
1611 * loop.c (loop_optimize): Likewise.
1612 (combine_givs): Likewise.
1613 (recombine_givs): Likewise.
1614 * reorg.c (dbr_schedule): Likewise.
1615 * unroll.c (unroll_loop): Likewise.
1617 * combine.c (combine_instructions): Use xmalloc instead of alloca.
1619 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
1621 * toplev.c (rest_of_compilation): Don't optimize the CFG
1622 when rebuilding, just before dbr.
1624 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1626 * output.h (assemble_end_function, assemble_destructor,
1627 assemble_constructor, assemble_gc_entry, assemble_global,
1628 assemble_label, output_constant_pool) Constify a char*.
1630 * varasm.c (assemble_destructor, assemble_constructor,
1631 assemble_gc_entry, assemble_end_function, assemble_global,
1632 assemble_label, output_constant_pool): Likewise.
1634 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
1636 * config/arm/thumb.c (thumb_expand_prologue): Add comments
1637 explaining what is goin on in this function.
1639 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1641 * regclass.c (record_reg_classes): In matching case, recompute
1642 costs since the direction of movement is different.
1644 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1646 * resource.c (mark_target_live_regs): For unconditional branches,
1647 the resources found at the branch target should be added to the
1648 resources found so far, not intersected.
1650 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
1652 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
1654 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
1655 (sys/mman.h): Include this file only if #HAVE_MMAP.
1656 (run_compiles): Initialize `esac_fmt' with one old KR string, not
1657 with automatically concatenated ANSI strings.
1659 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
1661 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
1662 (DIV_ROUND_UP): Robustify.
1663 (ggc_recalculate_in_use_p): New function.
1664 (release_pages): Don't inline it.
1665 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
1667 (ggc_pop_context): Use ggc_recalculate_in_use_p.
1668 (clear_marks): Always save in_use_p.
1669 (sweep_pages): Use ggc_recalculate_in_use_p.
1670 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
1671 Release pages before counting statistics.
1673 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
1675 * toplev.c (rest_of_compilation): Fix thinko in this change:
1677 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1679 (rest_of_compilation): If inside an inlined external function,
1680 pretend we are just being declared.
1682 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
1684 * flow.c (calculate_global_regs_live): Fix thinko.
1686 * integrate.c (expand_inline_function): Fix bugs in previous
1687 change from Oct 28, 1999.
1689 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
1691 * stmt.c (expand_value_return): Fix typo in this change:
1693 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1694 (expand_value_return): Correctly convert VAL when promoting function
1695 return; support RETURN_REG being a PARALLEL.
1697 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
1699 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
1701 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1703 * hard-reg-set.h (reg_names): Constify a char*.
1705 * regclass.c (reg_names): Likewise.
1707 * regs.h (reg_names): Likewise
1709 * a29k/a29k.c (reg_names): Delete declaration.
1711 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
1713 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
1714 arc_output_function_epilogue): Likewise.
1716 * elxsi/elxsi.c (reg_names): Likewise.
1718 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
1720 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
1723 * m88k/m88k.c (output_function_profiler): Likewise.
1725 * sparc/sparc.c (sparc_flat_output_function_prologue,
1726 sparc_flat_output_function_epilogue): Likewise.
1728 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
1730 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
1731 warning from -Wuninitialized and put it under -W.
1732 * function.c (uninitialized_vars_warning): Warn only when the
1733 corresponding flag is set.
1735 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
1737 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
1738 is nonzero and the single set does not have an elt, then assign
1741 * simplify-rtx.c: New file.
1742 * Makefile.in (OBJS): Add simplify-rtx.o
1743 (simplify-rtx.o): Add dependencies.
1744 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
1745 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
1746 (cse_gen_binary, simplify_unary_operation): Delete.
1747 (simplify_binary_operation, simplify_plus_minus): Likewise.
1748 (check_fold_consts, simplify_relation_operation): Likewise.
1749 (simplify_ternary_operation): Likewise.
1750 (delete_trivially_dead_insns): Simplify the contents of the
1751 REG_EQUAL note before trying to substitute it into the source
1752 of the reg-reg copy at the end of a libcall sequence.
1754 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
1755 references/callers changed.
1757 * mn10200.c (mn10200_va_arg): Force the return value into a
1760 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
1762 * cccp.c (macroexpand): Avoid out of range accesses for omitted
1765 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
1767 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
1769 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
1771 * fold-const.c (fold): Fix thinko when optimizing comparisons
1774 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
1776 * gcc.texi (Passes): Update front-end files to their current
1779 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
1781 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
1782 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1783 (PREDICATE_CODES): Add addition_operation.
1784 * alpha-protos.h (addition_operation): Declare.
1785 (secondary_reload_class): Likewise.
1786 * alpha.c (addition_operation): New.
1787 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
1788 * alpha.md (adddi3): Turn into expander.
1789 (*lda, *adddi_2): New.
1790 (movsf, movdf patterns): Don't preference integer regs.
1791 (movsi, movdi patterns): Don't preference fp regs.
1793 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
1795 * genrecog.c (write_switch): Check for duplicate CODE cases.
1797 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
1799 * ggc-common.c: Update pre-function commentary.
1800 * ggc-page.c: Likewise.
1802 (poison_pages): Use memset directly.
1803 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
1804 (ggc_collect): Poison before sweeping.
1805 * ggc-simple.c: Update pre-function commentary.
1806 (ggc_alloc_obj): Poison non-zeroed memory.
1808 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
1810 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
1811 match format string, even on 64-bit hosts.
1812 * gcc-page.c (ggc_page_print_statistics): Likewise.
1814 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
1816 * config/i386/i386.c (ix86_cpu): Revert last patch.
1817 * config/i386/i386.h (ix86_cpu): Ditto.
1819 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
1821 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
1822 TYPE_SIZE, convert type of result to sizetype.
1824 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
1826 * flow.c (count_or_remove_death_notes): Equate NULL with the
1829 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
1830 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
1833 * i386.c (pic_label_no): Delete.
1834 (ix86_attr_length_default): Don't use single_set to peek
1837 * recog.c (peephole2_optimize): Allow recog_next_insn to index
1838 the first insn after bb->end.
1839 * i386.md (push mem peeps): Scratch is live after evaluation
1841 (cmp mem peep): Similarly.
1843 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
1845 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
1846 * function.c (pad_to_arg_alignment): Add missing braces.
1848 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1850 * alpha/alpha-protos.h (literal_section): Add prototype.
1851 (alpha_need_linkage, alpha_start_function,alpha_end_function):
1854 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
1856 (alpha_start_function, alpha_end_function, float_strings,
1857 alpha_need_linkage): Constify a char*
1859 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
1861 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1863 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1865 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1867 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1869 * flow.c (debug_flow_info): Add prototype.
1871 * gcc.c (main): Likewise.
1873 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
1876 * reload1.c (failed_reload, set_reload_reg): Likewise.
1878 * mips-tfile.c (main): Likewise.
1879 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
1880 with ATTRIBUTE_NORETURN.
1882 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
1884 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
1885 DECL is not a memory ref.
1887 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
1889 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
1890 * config/i386/i386.c (ix86_cpu): Add extern attribute.
1892 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
1894 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
1895 * config/mips/elf64.h: ditto.
1897 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
1899 * expr.c (emit_push_insn): New argument alignment_pad.
1900 Update all callers. Adjust stack pointer based on alignment pad.
1901 * function.c (pad_to_arg_alignment): New argument alignment_pad.
1902 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
1903 (locate_and_pad_parm): New argument alignment_pad. Update all
1905 * expr.h (emit_push_insn): Update prototype.
1906 (locate_and_pad_parm): Update prototype.
1907 * calls.c (arg_data): Add new field alignment_pad.
1908 (initialize_argument_information): Initialize alignment_pad.
1910 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
1912 * except.c (free_eh_nesting_info): Free the info itself.
1913 * function.c (free_after_compilation): Don't free NULL.
1914 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
1915 (pre_edge_insert): Free inserted.
1916 * stmt.c (free_stmt_status): Don't free NULL.
1918 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1920 * gcov.c (DIR_SEPARATOR): Provide default.
1921 (output_data): Add test for MS-DOS format absolute filename.
1922 (fancy_abort): Correct program name.
1923 (open_files): Open all files in binary mode.
1924 * libgcc2.c (__bb_exit_func): Likewise.
1926 * profile.c (init_branch_prob): Specify binary when opening files.
1928 * flags.h (flag_unwind_tables): New decl.
1929 * toplev.c (flag_unwind_table): New definition.
1930 (f_options): Add -funwind-tables.
1931 (decode_g_option): Clarify warning when unknown -g option is given.
1932 (rest_of_compilation): If inside an inlined external function,
1933 pretend we are just being declared.
1935 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
1936 (dwarf2out_frame_finish): Likewise.
1938 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
1940 * fold-const.c (merge_ranges): In not in0, but in1, handle
1941 upper bounds equal like subset case.
1943 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
1945 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
1946 passed in a register but moved to the stack.
1948 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
1950 * gcc.c (pass_exit_codes, greatest_status): New variables.
1951 (struct option_map): Add entry for "--pass-exit-codes".
1952 (execute): Update greatest_status if error.
1953 (display_help): Add documentation for -pass-exit-codes.
1954 (process_command): Handle -pass-exit-codes.
1955 (main): Look at pass_exit_codes and greatest_status on call to exit.
1957 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1959 * reload.c (find_reloads): Refine test for no input reload
1960 case to not includes reloads emitted after insn.
1962 * function.c (find_temp_slots_from_address): Handle sum involving
1963 a register that points to a temp slot.
1964 (update_temp_slot_address): Make recursive call if both old and
1965 new are PLUS with a common operand.
1966 * calls.c (expand_call): Mark temp slot for result as having
1969 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
1971 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
1972 component as well as "BINUTILS".
1974 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
1975 * integrate.c (copy_rtx_and_substitute): Likewise.
1976 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
1977 All callers changed.
1978 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
1980 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
1981 gdb extensions, write size of type; also be more consistent
1982 in using references when this is a subtype.
1984 * pa.md (extv, extzv, insv): Use define_expand to reject constant
1985 that is out of range.
1987 * loop.c (unknown_constant_address_altered): New variable.
1988 (prescan_loop): Initialize it.
1989 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
1990 (invariant_p, case MEM): Remove handling for volatile and readony;
1991 check new variable if readonly.
1992 (check_dbra_loop): Chdeck unknown_constant_address_altered.
1994 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
1995 (addr_affects_sp_p): Removed from note_mem_written and only
1996 define #ifdef AUTO_INC_DEC.
1998 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2000 * regclass.c (record_reg_classes): Properly handle register move
2003 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2004 Don't think valid if both operands are invalid.
2005 (struct constant_descriptor): New field RTL.
2006 (mark_const_hash_entry): Mark it.
2007 (record_constant{,_rtx}): Initialize it.
2008 (output_constant_def): Allocate RTL in permanent obstack and
2010 ({record,compare}_constant_1): Modes must match for
2011 CONSTRUCTOR of ARRAY_TYPE.
2013 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2014 * output.h (initializer_constant_valid_p): Move decl to here.
2015 * c-common.c (initializer_constant_valid_p): Delete function from here.
2016 * varasm.c (initializer_constant_valid_p): Move function to here.
2018 * tree.h (STRIP_SIGN_NOPS): New macro.
2019 * fold-const.c (optimize_minmax_comparison): New function.
2020 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2021 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2022 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2023 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2024 widening conversions.
2025 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2026 to look at size of mode, not precision of type; also add missing cases.
2027 (optimize_bit_field_compare, decode_field_reference): Don't try to
2028 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2030 * dwarf2out.c (ctype.h): Include.
2031 (dwarf2out_set_demangle_name_func): New function.
2032 (size_of_line_info): Deleted.
2033 (output_line_info): Compute size of line info table from difference
2035 (base_type_die, add_name_attribute): Call demangle function, if any.
2036 (field_byte_offset): Use bits per word for variable length fields.
2037 (gen_array_type_die): Add array name.
2038 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2039 (dwarf2out_add_library_unit_info): New function.
2041 * explow.c (set_stack_check_libfunc): New function.
2042 (stack_check_libfunc): New static variable.
2043 (probe_stack_range): Allow front-end to set up a libfunc to call.
2045 * combine.c (simplify_comparison): When making comparison in wider
2046 mode, check for having commuted an AND and a SUBREG.
2047 (contains_muldiv): New function.
2048 (try_combine): Call it when dividing a PARALLEL.
2049 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
2050 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
2052 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
2053 use one of the CLOBBERs instead.
2054 (if_then_else_cond): If comparing against zero, just return thing
2057 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
2058 Don't generate shifts and subtract if have conditional arithmetic.
2060 * rtl.h (delete_barrier): New declaration.
2061 * jump.c (jump_optimize): Set up to handle conditional call.
2062 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
2063 (delete_barrier): New function.
2065 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
2067 * recog.c (nonmemory_operand): Accept ADDRESSOF.
2069 * tree.c (build_type_attribute_variant): Push to obstack of
2070 ttype around type_hash_canon call.
2072 * expr.c (placeholder_list): Move decl to file scope.
2073 (expand_expr): Don't force access to volatile just because its
2075 If ignoring reference operations, just expand the operands.
2076 (expand_expr, case COMPONENT_REF): Propagate
2077 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
2078 Refine test for using bitfield operations vs pointer punning.
2079 (expand_expr, case CONVERT_EXPR): If converting to
2080 BLKmode UNION_TYPE from BLKmode, just return inner object.
2081 Use proper mode in store_field call.
2082 Properly set sizes of object to store and total size in store_field
2083 call for convert to union.
2084 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
2085 memory (like for ADDR_EXPR). Also, don't put constant in register if
2086 we'll want it in memory.
2087 (readonly_fields_p): New function.
2088 (expand_expr, case INDIRECT_REF): Call it if LHS.
2089 (expand_assignment): Handle a RESULT_DECL where
2090 DECL_RTL is a PARALLEL.
2091 (do_jump, case WITH_RECORD_EXPR): New case.
2092 (get_inner_reference): Always go inside a CONVERT_EXPR
2093 and NOP_EXPR if both modes are the same.
2094 (store_field): Use bitfield operations if size of bitsize is not same
2095 as size of RHS's type.
2096 Check for bitpos not a multiple of alignment in BLKmode case.
2097 Do block move in largest possible alignment.
2098 (store_constructor): Set BITSIZE to -1 for variable size and properly
2099 in case of array of BLKmode.
2100 (expand_expr_unaligned): New function.
2101 (do_compare_and_jump): Call it.
2103 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
2104 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
2105 does not include 'o'.
2107 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
2108 both SET_DEST and SET_SRC reference a virtual register.
2109 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
2111 * integrate.c (expand_inline_function): Handle case of setting
2112 virtual stack vars register (from built in setjmp); when parameter
2113 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
2114 (subst_constant): Add new parm, MEMONLY.
2115 (expand_inline_function, integrate_parm_decls): Pass new parm.
2116 (integrate_decl_tree): Likewise.
2117 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
2118 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
2119 (copy_rtx_and_substitute, case SET): Add explicit calls to
2120 copy_rtx_and_substitute for both sides.
2122 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
2124 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
2125 within INDEX_TYPE, instead of before.
2126 (fixup_gotos): Use f->target_rtl, not the next insn,
2127 since latter may be from a later fixup.
2128 (expand_value_return): Correctly convert VAL when promoting function
2129 return; support RETURN_REG being a PARALLEL.
2130 (expand_return): When checking for result in regs and having
2131 cleanup, consider PARALLEL in DECL_RTL as being in regs.
2133 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
2135 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
2136 last_nominal_fname): Mark const.
2137 (struct include_hash: name, nshort, control_macro): Mark
2139 (struct macrodef: symnam): Mark const.
2140 (struct if_stack: fname): Mark const.
2141 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
2142 (IStable): New character-syntax array which encompasses all
2143 the old is_foo arrays.
2144 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
2145 is_space): New macros for interrogating IStable.
2146 (check_macro_name): Kill last argument. All callers changed.
2148 * cppinit.c (initialize_char_syntax): Delete.
2149 (is_idchar, is_idstart, is_hor_space, is_space,
2150 trigraph_table): Delete.
2151 (IStable): New. Initialize with clever macros to avoid
2152 information duplication.
2153 (builtin_array): Table of builtins to get rid of explicit list
2154 in initialize_builtins.
2155 (initialize_builtins): Use builtins_array.
2156 (cpp_start_read): Call init_IStable, and set IStable['$'] if
2157 opts->dollars_in_ident.
2159 * cppexp.c: Change all refs to is_xyz[] arrays to use new
2161 (cpp_parse_expr): Avoid 'format string is not constant'
2162 warning. Use ISGRAPH to identify printable chars.
2163 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
2165 (read_and_prescan): Map trigraphs to chars with open-coded
2166 if-else-if-... sequence, not a lookup table.
2167 * cpphash.c: Change all refs to is_xyz[] arrays to use new
2169 * cpplib.c: Change all refs to is_xyz[] arrays to use new
2170 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
2171 (check_macro_name): Remove ability to report an invalid
2172 assertion name, which is never used.
2173 (do_line): Constify a couple of char *'s.
2174 * cppmain.c (main): Call cpp_cleanup before returning.
2176 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
2178 * ggc.h (struct ggc_statistics): New type.
2179 (ggc_get_size): New function.
2180 (ggc_print_statistics): Likewise.
2181 * ggc-common.c (ggc_stats): New variable.
2182 (ggc_mark_rtx_children): Keep statistics.
2183 (ggc_mark_tree_children): Likewise.
2184 (ggc_print_statistics): New function.
2185 * ggc-page.c (struct globals): Add bytes_mapped field.
2186 (alloc_anon): Update it.
2187 (release_pages): Likewise.
2188 (ggc_get_size): New function.
2189 (ggc_page_print_statistics): New function.
2190 * ggc-simple.c (ggc_get_size): New function.
2192 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
2194 * flow.c (propagate_block): When the last reference to a label
2195 before an ADDR_VEC is deleted because the reference is a dead
2196 store, delete the ADDR_VEC.
2198 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
2200 * resource.c (find_free_register): Don't use the frame pointer
2201 if frame_pointer_needed.
2203 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
2205 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
2206 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
2208 * config/i960/i960.c (i960_va_start): New locals base, num.
2209 Use INDIRECT_REF instead of ARRAY_REF on valist.
2210 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
2212 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
2214 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
2216 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
2218 * tree.def (PLACEHOLDER_EXPR): Update comments.
2220 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2222 * c-common.c (check_format_info): Avoid non-literal format string
2223 warnings when `first_arg_num' is zero.
2225 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2227 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
2229 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2231 * arm.md (casesi_insn): Add a clobber of the condition code
2234 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
2236 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
2237 used by both cc1 and cc1plus.
2239 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
2241 * config/arm/arm.c: Initialise arm_structure_size_boundary to
2242 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
2243 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
2244 to the value 32 if it has not already been defined.
2245 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
2246 Override definition in arm.h with a value of 8.
2248 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
2250 * c-pragma.c (push_alignment): Don't check the return value
2253 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
2255 * sparc.h (ADJUST_COST): Fix thinko.
2257 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
2259 * cccp.c (rescan): Fixed obp pointer handling around call to
2260 check_expand subroutine.
2262 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
2264 * gcse.c (delete_null_pointer_checks): Only record non-null info
2265 for pseudos when examining stores.
2267 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
2268 splitters for these patterns. Use "#" for output templates.
2269 (addsi3_carryin_shift): New pattern.
2271 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
2273 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
2274 of the function return register into a plain REG until
2275 after function inlining is done.
2277 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
2279 * jump.c (jump_optimize_1): If we did cross-jumping, and
2280 the data will matter, rebuild the CFG.
2281 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
2282 not optimizing. Don't run shorten_branches.
2283 * toplev.c (rest_of_compilation): Run shorten_branches after
2286 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
2288 * rtl.h (note_stores): Add additional paramter.
2289 * rtlanal.c (reg_set_p_1): Take additional paramter.
2290 (reg_set_last_1): Likewise.
2291 (reg_set_p): Adjust call to note_stores.
2292 (reg_set_last): Likewise.
2293 (note_stores): Pass data parameter to worker function.
2294 * alias.c (record_set): Take additional parameter.
2295 (init_alias_analysis): Pass it.
2296 * caller-save.c (mark_set_regs): Take additional parameter.
2297 (save_call_clobbered_regs): Pass NULL to note_stores.
2298 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
2300 (record_dead_and_set_regs_1): Likewise.
2301 (reg_dead_at_p_1): Likewise.
2302 (combine_instructions): Adjust calls to note_stores.
2303 (try_combine): Likewise.
2304 (record_dead_insn): Remove.
2305 (record_dead_and_set_regs): Adjust calls to note_stores.
2306 (reg_dead_at_p): Likewise.
2307 * cse.c (invalidate_skipped_set): Take additional parameter.
2308 (cse_check_loop_start): Likewise.
2309 (cse_check_loop_start_value): Remove.
2310 (cse_set_around_loop): Adjust calls to note_stores.
2311 * flow.c (notice_stack_pointer_modification): Take additional
2312 parameter. Remove duplicate declaration.
2313 (record_volatile_insns): Adjust calls to note_stores.
2314 * gcse.c (record_set_info): Take additional parameter.
2315 (record_last_set_info): Likewise.
2316 (invalidate_nonnull_info): Likewise.
2317 (record_set_insn): Remove.
2318 (compute_sets): Adjust calls to note_stores.
2319 (last_set_insn): Remove.
2320 (compute_hash_table): Adjust calls to note_stores.
2321 (insert_insn_end_bb): Likewise.
2322 (delete_null_pointer_checks): Likewise.
2323 * global.c (mark_reg_store): Take additional parameter.
2324 (mark_reg_clobber): Likewise.
2325 (reg_becomes_live): Likewise.
2326 (global_conflicts): Adjust calls to note_stores.
2327 (build_insn_chain): Likewise.
2328 * integrate.c (note_modified_parmregs): Take additional parameter.
2329 (mark_stores): Likewise. Make it static.
2330 (save_for_inline_nocopy): Adjust calls to note_stores.
2331 (try_constants): Likewise.
2332 * integrate.h (mark_stores): Remove declaration.
2333 * jump.c (mark_modified_reg): Take additional parameter.
2334 (thread_jumps): Adjust calls to note_stores.
2335 * local-alloc.c (validate_equiv_mem_from_store): Take additional
2337 (no_equiv): Likewise.
2338 (reg_is_set): Likewise.
2339 (validate_equiv_mem): Adjust calls to note_stores.
2340 (update_equiv_regs): Likewise.
2341 (block_alloc): Likewise.
2342 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
2343 (note_addr_stored): Take additional parameter.
2344 (note_set_pseudo_multiple_uses): Likewise.
2345 (record_initial): Likewise.
2346 (prescan_loop): Adjust calls to note_stores.
2347 (strength_reduce): Likewise.
2348 (check_dbra_loop): Likewise.
2349 * regmove.c (flags_set_1): Take additional paramter.
2350 (mark_flags_life_zones): Adjust calls to note_stores.
2351 * reload1.c (mark_not_eliminable): Take additional parameter.
2352 (forget_old_reloads_1): Likewise.
2353 (reload_cse_invalidate_rtx): Likewise.
2354 (reload_cse_check_clobber): Likewise.
2355 (reload_combine_note_store): Likewise.
2356 (move2add_note_store): Likewise.
2357 (reload): Adjust calls to note_stores.
2358 (reload_as_needed): Likewise.
2359 (emit_reload_insns): Likewise.
2360 (reload_cse_regs_1): Likewise.
2361 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
2362 (reload_combine): Adjust calls to note_stores.
2363 * resource.c (update_live_status): Take additional paramter.
2364 (mark_target_live_regs): Adjust calls to note_stores.
2365 * stupid.c (find_clobbered_regs): Take additional parameter.
2366 (stupid_life_analysis): Adjust calls to note_stores.
2368 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
2370 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
2373 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
2376 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
2377 of the variable arm_structure_size_boundary.
2379 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
2381 * alias.c (init_alias_analysis): Allocate reg_known_value and
2382 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
2384 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
2385 * cse.c (cse_main): Call end_alias_analysis.
2386 * haifa-sched.c (schedule_insns): Likewise.
2387 * local-alloc. (update_equiv_regs): Likewise.
2388 * reload1.c (reload_cse_regs): Likewise.
2390 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2392 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
2393 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
2394 mapping from MASK_FPU.
2396 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
2398 * sparc.md (call): Don't bound structure return size to 0xfff.
2400 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
2402 * resource.c (mark_target_live_regs): Check that the target
2403 insn wasn't created after compute_bb_for_insn.
2405 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
2407 * ggc-page.c (poison_pages): Don't be overzealous.
2409 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
2411 * alias.c: Update comments for ADDRESS.
2412 (nonlocal_reference_p): Look inside the ADDRESS to determine if
2413 it is a local memory reference.
2415 * c-typeck.c (build_function_call): Check that the built-in
2416 function is of class BUILT_IN_NORMAL before trying to recongize
2418 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
2419 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
2421 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
2423 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
2425 (pre_gcse): Likewise.
2426 (hoist_expr_reaches_here_p): Likewise.
2427 (hoist_code): Likewise.
2428 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
2430 (pre_expr_reaches_here_p_work): ... here.
2431 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
2433 (expr_reaches_here_p_work): ... here.
2435 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
2437 * resource.c (find_basic_block): Delete.
2438 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
2439 (init_resource_info): Call compute_bb_for_insn.
2441 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
2443 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
2444 with already adjacent blocks, but no fallthru.
2445 (merge_blocks_move_successor_nojumps): Simplify.
2446 (debug_flow_info): New.
2448 * toplev.c (rest_of_compilation): Open jump1 dump file before
2449 jump and close after, as opposed to just using dump_rtl.
2451 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2453 * reload.h (earlyclobber_operand_p): Declare.
2454 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
2455 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2456 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
2457 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
2459 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2460 Richard Henderson <rth@cygnus.com>
2462 * emit-rtl.c (emit_block_insn_before): New.
2463 (emit_block_insn_after): New.
2464 * basic-block.h: Declare them.
2466 * bitmap.h: Protect from multiple inclusion.
2468 * recog.c (scratch_operand): Handle VOIDmode correctly.
2470 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2472 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2473 * function.c (assign_parms): Likewise.
2474 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2476 * reg-stack.c (max_uid): Remove.
2477 (blocks, block_begin, block_end, block_drops_in): Remove.
2478 (block_stack_in, block_out_reg_set, block_number): Remove.
2479 (struct block_info_def, BLOCK_INFO): New.
2480 (enum emit_where): New.
2481 (current_block): New.
2482 (BLOCK_NUM): Remove.
2483 (mark_regs_pat, record_label_references): Remove.
2484 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2486 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2487 (reg_to_stack): Simplified test for existance of fp code. Use
2488 flow.c code. Call shorten_branches after cross-jump opt.
2489 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2490 Return false if the asm doesn't use stack regs. Don't do life
2491 analysis on the asm.
2492 (emit_pop_insn): Replace function pointer arg `when' with
2493 enum `where'. Update all callers.
2494 (change_stack): Likewise. Update basic block end.
2495 (emit_swap_insn): Use current_block->head to limit reverse search
2496 for start of block. Use emit_block_insn_after.
2497 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2498 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2499 structure assignment instead of bcopy.
2501 (convert_regs_entry, convert_regs_exit): New.
2502 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2503 Work on basic blocks and the CFG.
2504 (convert_regs): Use them.
2506 * i386.c (output_fix_trunc): Remove code for DImode input operand
2507 not at top-of-stack.
2508 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2510 (fix_truncdi_1): Allow any mode scratch.
2512 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2514 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2515 * linux.h, netbsd.h, vms.h: Not here.
2517 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2519 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2520 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2521 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2522 CONDITIONAL_REGISTER_USEAGE): Use them.
2523 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2524 gen_conditional_branch,override_options) : Use them.
2525 * config/mips/mips.md : Use them.
2527 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2529 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2531 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2533 * integrate.c (function_cannot_inline_p): Don't allow inlining
2536 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * c-parse.in (cast_expr): Constify.
2540 * cccp.c (special_symbol): Likewise.
2542 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2544 * dwarf2out.c (base_type_die): Likewise.
2546 * global.c (allocno_compare): Likewise.
2548 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2550 * regclass.c (fix_register): Likewise.
2552 * rtl.h (fix_register): Likewise.
2554 * stupid.c (stupid_reg_compare): Likewise.
2556 * toplev.c (decode_f_option): Likewise.
2558 * tree.c (build_complex_type): Likewise.
2560 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2562 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2564 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2566 * reload.c (find_reloads): Compute mode and nregs fields of all
2568 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2569 (calculate_needs): Use precomputed mode/nregs values.
2570 (allocate_reload_reg): Likewise.
2572 (failed_reload, set_reload_reg): ... new functions.
2573 (choose_reload_regs_init): New function, mostly broken out from...
2574 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2575 Also lose one #if 0 block.
2577 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2579 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2582 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2584 * tree.h (BLOCK_TYPE_TAGS): Remove.
2585 (BLOCK_END_NOTE): Likewise.
2586 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2587 (BLOCK_LIVE_RANGE_START): Likewise.
2588 (BLOCK_LIVE_RANGE_END): Likewise.
2589 (tree_block): Remove live_range_flag, live_range_var_flag, and
2590 type_tags. Remove end_note, live_range_start, and live_range_end.
2591 (remember_end_note): Remove prototype.
2592 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
2593 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
2595 * ggc-common.c (ggc_mark_tree_children): Don't mark
2596 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
2597 * integrate.c (adjust_copied_decl_tree): Remove.
2598 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
2599 * stmt.c (last_block_end_note): Remove.
2600 (init_stmt): Don't add a GC root for it.
2601 (expand_fixup): Don't set it.
2602 (remember_end_note): Remove.
2603 (expand_end_bindings): Don't set last_block_end_note.
2605 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2607 * reload1.c (reload_reg_free_for_value_p): Show
2608 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
2611 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
2613 * expmed.c (extract_bit_field): Allow for the case of non-integer
2614 objects that are smaller than a word (like SFmode on a 64-bit
2617 * loop.c (basic_induction_var): A non-integer variable which is
2618 being set by a paradoxical subreg is probably not a biv.
2620 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2622 * prefix.c (translate_name) Check for empty prefix string.
2624 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
2626 * Makefile.in (CPP_CROSS_NAME): New variable.
2627 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
2629 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
2630 names of the files to be uninstalled.
2632 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
2634 * collect2.c (IS_DIR_SEPARATOR): Define.
2635 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
2637 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
2640 * haifa-sched.c (add_dependence): Update the true dependency
2641 cache the first time we add a true dependence to the LOG_LINKS chain.
2643 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
2645 * fold-const.c (fold): Fix comment.
2647 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
2650 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
2651 dbxout_start_new_source_file, dbxout_source_file,
2652 dbxout_source_line, dbxout_finish, dbxout_type_fields,
2653 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
2655 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
2656 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
2657 (dbxout_block): Initialize variable `blocknum'.
2659 * dbxout.h (dbxout_init, dbxout_finish,
2660 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
2661 dbxout_args, dbxout_source_line): Constify a char*.
2663 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
2664 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
2665 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
2666 low_pc_attribute, high_pc_attribute, body_begin_attribute,
2667 body_end_attribute, comp_dir_attribute, sf_names_attribute,
2668 src_info_attribute, mac_info_attribute, producer_attribute,
2669 lookup_filename, generate_macinfo_entry, fundamental_type_code,
2670 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
2671 dwarfout_undef): Constify a char*.
2672 (add_incomplete_type, retry_incomplete_types): Add prototypes.
2674 * dwarfout.h (dwarfout_define, dwarfout_undef,
2675 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
2677 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
2679 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
2680 (MULTILIB_ISA_DEFAULT): New.
2681 (MULTILIB_DEFAULTS): Use it.
2682 * config/mips/mips.c (): Remove the now unnecessary definition
2683 of MIPS_ISA_DEFAULT.
2684 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
2685 unnecessary definition.
2687 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
2689 * arm.md (pic_load_addr): Add constraints to operand 1.
2691 1999-10-25 Bruce Korb <autogen@linuxbox.com>
2693 * fixinc/genfixes: Provide a means for specifying -D options to
2696 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
2698 * arm.c (arm_override_options): Correct initialization of
2699 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
2700 arm_is_strong, and arm_is_6_or_7.
2702 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
2703 (note_set_pseudo_multiple_uses): New function.
2704 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
2705 if a pseudo set in the loop exit is used elsewhere.
2707 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
2709 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
2711 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
2713 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
2714 a single load-address pattern.
2716 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
2718 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
2719 depending on whether or not line-number notes are present.
2721 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2723 * cccp.c (progname, file_buf, default_include, include_file,
2724 macrodef, definition, hashval, wchar_type, user_label_prefix,
2725 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
2726 expand_to_temp_buffer, is_system_include, base_name,
2727 absolute_filename, read_name_map, open_include_file,
2728 record_control_macro, check_precompiled, check_preconditions,
2729 pcfinclude, pass_thru_directive, create_definition,
2730 check_macro_name, comp_def_part, collect_expansion,
2731 check_assertion, read_token_list, assertion_install,
2732 assertion_lookup, eval_if_expression, conditional_skip,
2733 validate_else, skip_quoted_string, quote_string, macarg1,
2734 error_from_errno, install, lookup, hashf, dump_defn_1,
2735 perror_with_name, pfatal_with_name, main, trigraph_pcp,
2736 check_white_space, rescan, handle_directive, monthnames,
2737 special_symbol, do_include, remap_include_file, write_output,
2738 arglist, do_assert, do_unassert, do_line, do_error, do_once,
2739 do_ident, do_sccs, do_xifdef, skip_if_group,
2740 output_line_directive, macroexpand, macarg, change_newlines,
2741 initialize_builtins, make_definition): Constify a char*.
2743 * pcp.h (stringdef): Likewise.
2745 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
2747 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
2750 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
2751 Richard Henderson <rth@cygnus.com>
2753 * alias.c: Include ggc.h.
2754 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
2755 (record_set): Verify enough room in reg_base_value.
2756 (init_alias_analysis): Allocate reg_base_value with xcalloc.
2757 Register it as a GC root.
2758 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
2759 * Makefile.in (alias.o): Depend on ggc.h.
2761 * unroll.c (unroll_loop): Verify the insn before a barrier
2762 is a JUMP_INSN before checking JUMP_LABEL.
2764 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
2767 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
2768 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
2769 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
2770 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
2771 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
2773 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2775 * output.h (ctors_section, dtors_section, bss_section): Prototype.
2777 * alpha/alpha-interix.h (text_section): Delete prototype.
2778 * alpha/elf.h (text_section): Likewise.
2779 * arm/linux-elf.h (text_section): Likewise.
2780 * arm/linux-telf.h (text_section): Likewise.
2781 * c4x/c4x.h (text_section): Likewise.
2782 * dsp16xx/dsp16xx.h (bss_section): Likewise.
2783 * elfos.h (text_section): Likewise.
2784 * i386/aix386ng.h (text_section): Likewise.
2785 * i386/i386-interix.h (text_section): Likewise.
2786 * i386/sco5.h (text_section): Likewise.
2787 * i386/svr3gas.h (text_section): Likewise.
2788 * nextstep.h (text_section): Likewise.
2789 * psos.h (text_section): Likewise.
2790 * ptx4.h (text_section): Likewise.
2791 * svr3.h (text_section): Likewise.
2792 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
2794 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2796 * final.c (peephole): Delete prototype.
2798 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
2799 (pre_insert_copies): Remove unused variable `bb'.
2801 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
2804 * output.h (peephole): Add prototype.
2806 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
2808 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
2811 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
2813 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
2814 for inlined declarations.
2816 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
2818 * arm.c (logical_binary_operator): New fucntion.
2819 * arm.h (logical_binary_operator): Declare it.
2820 (PREDICATE_CODES): Handle logical_binary_operator.
2821 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
2822 output constraints. Add appropriate splitters.
2823 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
2824 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
2825 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
2827 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2829 * genoutput.c (struct operand_data): New elt eliminable.
2830 (output_operand_data): Write it.
2831 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
2832 (compare_operands): Take it into account.
2833 * recog.h (struct insn_operand_data): New elt eliminable.
2834 * reload1.c (check_eliminable_occurrences, elimination_effects): New
2836 (old_asm_operands_vec, new_asm_operands_vec): Delete.
2837 (eliminate_regs): Move code that detects changes to elimination
2838 target regs into new function elimination_effects.
2839 Delete one #if 0 block.
2840 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
2841 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
2842 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
2843 Only call eliminate_regs for real operands of the insn, not for parts
2844 of its structure or parts matched by things like match_operator.
2845 Use elimination_effects and check_eliminable_occurrences. Use
2846 copy_insn to duplicate the pattern when not in the final pass.
2848 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
2850 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
2853 1999-10-22 Bruce Korb <autogen@linuxbox.com>
2855 * fixinc/README: document the "mach" machine matching test
2856 * fixinc/fixfixes.c: Implement the #else/#endif label fix
2857 * fixinc/fixtests.c: Implement the #else/#endif label test
2858 * fixinc/inclhack.def: utilize these tests and fixes
2859 * fixinc/inclhack.sh: regen
2860 * fixinc/fixincl.x: regen
2861 * fixinc/fixincl.sh: regen
2863 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
2865 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
2868 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
2870 * gcc.1: Document exit codes.
2872 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2874 * calls.c: Include tm_p.h later, so everything we need is defined.
2876 * function.c: Likewise.
2878 * except.c: Include tm_p.h.
2880 * sparc.c: Likewise.
2881 (dwarf2out_cfi_label): Don't prototype.
2882 (check_return_regs, epilogue_renumber,
2883 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2884 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
2885 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
2886 ultra_schedule_insn): Add static prototype.
2887 (data_segment_operand, text_segment_operand): Call itself with the
2888 proper number of arguments.
2889 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
2891 * sparc.h: Move all declarations to sparc-protos.h.
2892 (SELECT_RTX_SECTION): Pass a missing MODE argument to
2895 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
2897 * config/svr4.h (text_section, ctors_section, dtors_section): Add
2899 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
2900 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
2901 ASM_OUTPUT_ASCII): Constify a char*.
2903 * sparc-protos.h: New file for sparc prototypes.
2905 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2907 * function.c (record_insns, contains): Always declare and define.
2908 (record_insns): Mark with ATTRIBUTE_UNUSED.
2910 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
2912 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
2913 to .section when outputting a .bss section to deal with multiple
2914 .bss input sections (as happens with -fdata-sections)
2915 Also output %progbits, not @progbits so the assembler doesn't treat as
2917 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
2919 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
2920 thumb parts even when building with non-thumb CPUs, by forcing
2923 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
2925 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
2926 (movdf_const_intreg_sp64): Similarly.
2928 * local-alloc.c (update_equiv_regs): Check the correct insn
2929 for pre-existing REG_EQUIV notes.
2931 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
2933 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
2934 block reached by a branch if we're not going to actually process
2937 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
2939 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
2940 a local extern function declaration.
2942 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
2944 * i386.c (ix86_expand_prologue): Properly wrap USE around
2945 reg for CALL_INSN_FUNCTION_USAGE.
2947 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
2949 * config/mips/mips.md (movdf_internal1a): Allow floating-point
2950 move between GP_REGs.
2952 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
2954 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
2955 the mode size when finding out if an offset is legal.
2957 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
2959 * basic-block.h (PROP_*): Move constants from ...
2961 (compute_bb_for_insn): Free the array before reallocating.
2962 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
2963 (allocate_reg_life_data): Reset all reg variables collected by
2965 (get_block_head_tail): Don't convert from bb to block.
2966 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
2967 (find_insn_reg_weight): Take block not bb.
2968 (schedule_block): Don't set block num for moved insns.
2969 (schedule_region): Don't update_life_info or find_insn_reg_weight.
2970 (schedule_insns): Do it here instead.
2971 * combine.c (combine_instructions): Invoke compute_bb_for_insn
2972 before update_life_info.
2973 * recog.c (split_all_insns, peephole2_optimize): Update for
2974 new arg to update_life_info.
2975 * rtlanal.c (remove_note): Cope with NULL note.
2976 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
2979 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
2981 * jump.c (jump_optimize_1): More accurately detect casesi insns.
2983 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
2984 block records so that merge_blocks_nomove will clean up correctly.
2985 (split_edge): Handle casesi insns.
2987 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
2989 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
2991 * pa.md (call, call_value): Do not emit a blockage after restoring
2994 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
2996 * c-typeck.c (c_expand_asm_operands): Fix typo.
2998 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3000 * arm.c (fpu_rhs_operand): Verify modes.
3001 (fpu_add_operand): Likewise.
3002 (di_operand): Likewise.
3003 (soft_df_operand): Likewise.
3005 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3007 * arm.c (arm_return_in_memory): APCS rules state that the elements
3008 of a structure returned in a register must be 'integer-like'.
3010 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3012 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3013 in the source tree when the generated targets are out of date
3014 * fixinc/genfixes: Alter it to run individual fixes for make.
3015 * fixinc/README: rewrite
3016 * fixinc/inclhack.def: moved initial comments to README
3018 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3020 * toplev.c (main): Do not generate an error message if an
3021 unrecognised command line switch is recognisable by another
3022 language. If extra_warnings are enabled, then generate a
3023 warning message instead.
3025 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3027 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3028 (insert_pack_attributes): Delete prototype.
3030 * c-pragma.c (default_alignment): New static variable.
3031 (push_alignment): Initialize to current effective alignment.
3032 (pop_alignment): Use to set new alignment.
3033 (insert_pack_attributes): Delete function.
3034 (handle_pragma_token): Set default_alignment as well each time
3035 a #pragma pack(<n>) is encountered.
3037 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3039 * reg-stack.c (stack_result): Aggregates are not returned in
3042 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3044 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
3046 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
3048 * basic-block.h (set_block_num): Declare.
3049 * flow.c (update_life_info): Don't call compute_bb_for_insn
3050 or free_basic_block_vars.
3051 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
3052 (insn_orig_block): Remove.
3053 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
3054 (schedule_block): Keep BLOCK_NUM up-to-date.
3055 (schedule_insns): Use compute_bb_for_insn.
3056 * recog.c (split_all_insns): Likewise.
3057 (peephole2_optimize): Likewise.
3059 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
3061 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
3062 if the pic register is used.
3064 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3066 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
3067 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
3068 if that tests TREE_PERMANENT.
3070 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
3072 * cse.c (invalidate_for_call): Do not remove memory references from
3073 the table here. It's handled elsewhere.
3075 * haifa-sched.c (add_dependence): Protect references to the
3076 true dependency cache with #ifdef INSN_SCHEDULING.
3077 (remove_dependence): Similarly.
3079 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
3080 to the cfg code that this is a return instruction.
3081 * mn10300.md (return_internal): Similarly.
3083 * combine.c (get_last_value): If the last set of a register
3084 is after subst_low_cuid, then we can not use it to determine
3085 the register's last value.
3087 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3089 * Makefile.in: Back out previous change.
3091 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
3093 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
3095 * haifa-sched.c (add_dependence): Only check/update the cache
3097 (remove_dependence): Likewise.
3098 (schedule_insns): Only create the true_dependency_cache if the
3099 average number of instructions in a basic block is very large.
3101 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3103 * Makefile.in (ggc-common.o): Depend on genrtl.h.
3104 (ggc-simple.o): Likewise.
3105 (ggc-page.o): Likewise.
3107 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
3109 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
3110 Prototype for exported functions.
3111 (pre_lcm, pre_rev_lcm): Remove prototypes.
3112 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
3113 (compute_available): Move to lcm.c, and change parameter order.
3114 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
3115 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
3116 (gcse_main): No longer call compute_preds_succs. Rebuild the
3117 set table after reach pre pass.
3118 (pre_insert_map, pre_delete_map, edge_list): New.
3119 (alloc_pre_mem): Allocate edge vectors.
3120 (free_pre_mem): Delete edge vectors.
3121 (compute_pre_data): Call new edge based lcm routines.
3122 (process_insert_insn): New function.
3123 (insert_insn_end_bb): Use it.
3124 (pre_edge_insert): New function.
3125 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
3127 (pre_insert_copies): Revamp using new edge based lcm outputs.
3128 (pre_delete): Likewise.
3129 (one_pre_gcse_pass): Insert & remove fake edges to the exit
3131 (compute_code_hoist_vbeinout): New new edge based routines.
3132 * lcm.c: Remove all the old LCM functions. Replace with new ones
3133 that work with the new cfg datastructures and work with edges
3136 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3138 * reload.h (struct reload): Add new fields "mode" and "nregs".
3139 * reload1.c: Change all occurrences of reload_mode and reload_nregs
3140 to reference the "mode" and "nregs" field within struct reload.
3142 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
3144 * haifa-sched.c (true_dependency_cache): New.
3145 (add_dependence): Use the true dependency cache to avoid expensive
3146 walks down the LOG_LINKS dependency list. Add entries to the
3148 (remove_dependence): Remove entries from the true dependency cache
3150 (schedule_insns): Allocate and initialize and free the true
3153 * haifa-sched.c (schedule_insns): Do not remove inter-block
3154 dependencies anymore.
3156 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
3158 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
3159 * i386/t-winnt: Likewise.
3161 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
3163 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
3165 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
3167 * Makefile.in (LANGUAGES): Omit "proto".
3168 (clean): Remove stale comment about removing unprotoize.c.
3170 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
3173 using arithmetic on void pointers.
3175 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
3177 * haifa-sched.c (compute_block_forward_dependencies): Only check
3178 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
3180 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
3182 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
3183 (expr_equiv_p): Reject memories with different alias sets.
3185 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
3187 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
3188 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
3189 (f_options): Add "bounded-pointers" and "bounds-check" entries.
3190 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
3191 (lang_init): Set default for flag_bounds_check if still "unspecified".
3193 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3195 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
3197 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3199 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
3202 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3204 * config/c4x/c4x.md (*db_noclobber,
3205 *decrement_and_branch_until_zero_noclobber): New patterns and
3206 associated splitters.
3208 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3210 * config/c4x/c4x.md (parallel instruction patterns): Rework
3211 constraints to keep reload happy.
3213 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3215 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
3216 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
3217 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
3218 Add new patterns and associated post-reload splitters.
3220 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3222 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
3224 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3226 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
3228 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
3230 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3232 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
3235 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
3237 * pa.c (move_operand): Rely on memory_address_p to determine the
3238 validity of non-indexed memory addresses.
3239 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
3240 operand in DFmode and SFmode when generating PA2.0 code.
3242 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
3244 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
3246 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
3248 * mips.c (function_prologue): Fix argument types.
3249 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
3250 (casesi_internal): Write to the scratch register.
3252 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
3254 * cppexp.c (cpp_parse_escape): Make static. Change second arg
3256 (parse_charconst): Delete unnecessary cast when calling
3258 (cpplib.h): Kill prototype of cpp_parse_escape.
3260 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
3262 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
3263 * unroll.c (unroll_loop): Cast return value of alloca.
3264 * i370/i370.c: Include function.h and toplev.h.
3265 (i370_label_scan): Remove c++ commented abort.
3266 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
3267 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
3268 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
3269 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
3271 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
3273 * config/t-freebsd: Do not override USER_H.
3274 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
3276 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
3277 Mumit Khan <khan@xraylith.wisc.edu>
3279 * c-parse.in (component_decl): Support anonymous struct/union.
3281 * c-parse.y: Regenerate.
3282 * c-parse.c: Likewise.
3283 * objc/objc-parse.y: Likewise.
3284 * objc/objc-parse.c: Likewise.
3285 * c-decl.c (finish_struct): Don't sort the fields.
3286 (field_decl_cmp): Delete unused function.
3288 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
3290 * sparc.md (movsf_const_intreg): Revert last constraint change.
3291 (movdf_const_intreg_sp32): Likewise.
3293 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
3295 * cse.c: Include hashtab.h instead of splay-tree.h
3296 (struct cse_reg_info): No longer use variant union. Add new
3297 field "regno". All references changed to avoid union.
3298 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
3299 (free_cse_reg_info): Remove.
3300 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
3301 (get_cse_reg_info): Revamp to use expandable hash tables instead
3302 of splay trees. Initialize new fields in cse_reg_info structure.
3303 (new_basic_block): Similarly.
3305 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
3307 * genrecog.c (message_with_line): Prototype.
3308 (validate_pattern): Pass along the set for the dest, not a flag.
3309 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
3310 Check for PC/CC0 as sources.
3311 (nodes_identical): Check for children position match before
3312 allowing the combination.
3314 * rtl.c (read_rtx): Track line number across \\\n.
3316 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
3318 * mips.h (SPECIAL_MODE_PREDICATES): New.
3319 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
3320 (movdi+1, movsi+1): Add output reload constraint.
3321 (casesi_internal): Likewise. Fix commentary.
3322 (return_internal): Use pmode_register_operand.
3324 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
3326 * 1750a.md (movstrqi): Add missing output reload constraint.
3327 (call_value): Likewise.
3328 * a29k.md (cpxxx patterns): Add missing match_operator mode.
3329 (jmpfdec): Add missing inout reload constraint.
3330 * elxsi.md (addsi patterns): Add missing output reload constraint.
3331 (move from sp): Use @ alternates.
3332 (call_value): No constraint on output.
3333 * fr30.md (movsi_pop): Add missing output reload constraint.
3334 (movsf_constant_store): Likewise.
3335 (splits): Remove constraints.
3336 (subsi3): Add missing mode.
3337 * i370.md (cmpstrsi+1): Add missing output reload constraint.
3338 (call_value): Likewise.
3339 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
3340 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
3341 * m32r.md (movsicc_internal): Add output reload constraint.
3342 (movstrsi_internal): Add inout reload constraints.
3343 * m88k.h (reg_names): Don't declare.
3344 (SPECIAL_MODE_PREDICATES): New.
3345 * m88k.md (*): Use register_operand not reg_or_0_operand
3347 * mn10200.h (PREDICATE_CODES): New.
3348 * ns32k.md (ffs pattern): Add output reload constraint.
3349 * pdp11.md (sob pattern): Add inout reload constraint.
3350 * sh.md (splits): Remove constraints.
3351 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
3352 * v850.md (pattern_is_ok_for_epilogue): Likewise.
3353 * vax.md (jgequ pattern): Add inout reload constraint.
3355 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
3357 * configure.in (djgpp): Revert previous patch.
3358 * configure: Rebuit.
3359 * config/i386/djgpp.h: Revert previous patch.
3361 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
3363 * fixinc/inclhack.def: Restore patch lost during last merge of
3364 "no_bogosity" branch.
3365 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
3367 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
3369 * fixincludes: Add a HPUX 11 fix for inttypes.h.
3370 * fixinc/inclhack.def: Same.
3371 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
3373 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
3375 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
3376 as the base of a PLUS.
3378 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3380 * config/c4x/c4x.md: Define mode for remaining unspec operators.
3381 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
3383 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
3385 * pa.md (post_stw+1): Use pmode_register_operand.
3386 (dcacheflush, icacheflush): Likewise.
3388 * i386.md (movstricthi_1): Allow r/r.
3390 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
3392 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
3393 to (not (and (arg0) (arg1))). Similary for and.
3395 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
3396 falltrought to assocate code.
3397 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
3400 * combine.c (simplify_logical): Convert XOR to IOR if operands have
3401 no bits in common; remove XOR to ROTATE conversion.
3403 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3405 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
3407 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3409 * config/c4x/c4x.c (dst_operand): New.
3410 (PREDICATE_CODES): Update.
3411 * config/c4x/c4x.h (dst_operand): Declare it.
3412 * config/c4x/c4x.md: Define mode for each unspec usage.
3413 (move patterns): Use dst_operand predicate instead of src_operand.
3414 (movqi_update, movqf_update): Delete.
3416 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
3418 * recog.c (pmode_register_operand): New.
3419 * recog.h: Declare it.
3420 * genrecog.c (pred_codes): Likewise.
3421 (special_mode_pred_table): Likewise.
3422 (validate_pattern): Don't warn no mode for address_operand.
3424 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
3425 if the operand is not insn-like.
3427 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
3428 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
3430 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
3432 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
3434 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
3435 instead of general_operand in a SET_DEST. Use const_double_operand
3436 instead of an explicit test against CONST_DOUBLE.
3437 (movsf_const_lo): Add missing register mode.
3438 (goto_handler_and_restore): Add auxiliary test for Pmode.
3439 (flush): Adjust to use address_operand.
3440 (return_sf_no_fpu): Add missing output constraint.
3442 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
3444 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
3445 for call return value.
3446 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
3448 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
3450 * toplev.c (main): Only warn about options for other languages.
3451 * collect2.c (main): Pass -w to sub-gcc.
3453 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
3455 * flow.c (propagate_block): Add call-clobbered registers to
3458 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
3459 zapping mem_set_list.
3460 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
3461 (mark_set_1, mark_used_regs): Likewise.
3463 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
3465 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
3467 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3469 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
3470 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3471 options. Also add a new item "C-only Warning Options" to the
3474 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3476 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3477 from multiple calls.
3479 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3481 * i386.md (call value patterns): Move to the end of the file.
3482 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3484 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3486 * configure.in (djgpp configuration): Define extra_objects..
3487 * configure: Rebuilt.
3488 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3489 (DTORS_SECTION_ASM_OP): Define.
3490 (INIT_SECTION_ASM_OP): Define.
3491 (FINI_SECTION_ASM_OP): Define.
3492 (DATA_SECTION_ASM_OP): Define.
3493 (TEXT_SECTION_ASM_OP): Define.
3494 (EH_FRAME_SECTION_ASM_OP): Define.
3495 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3496 (STARTFILE_SPEC): Add crtbegin.o.
3497 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3498 to here from LINK_COMMAND_SPEC.
3499 (DO_GLOBAL_CTORS_BODY): Define.
3500 (CRTSTUFF_USE_FINI_SECTION): Define
3501 (HAS_INIT_SECTION): Delete.
3503 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3505 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3507 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3509 * pa.h (PREDICATE_CODES): New.
3511 * genrecog.c (validate_pattern): Condense the destination
3514 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3516 * alpha.md (call-1): Supply missing mode for operator.
3517 (*): Add missing output reload constraints. Remove constraints
3520 * i386.h (SPECIAL_MODE_PREDICATES): New.
3521 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3522 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3523 (addsi_lea_3): Add missing mode for op 3.
3524 (prologue_set_got, prologue_get_pc): Add missing modes.
3525 (*) Add missing output reload constraints.
3527 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3529 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3530 check for member bit-size overflow and use var_size if it occurs.
3531 (layout_record): Use bitsize_int() to define the type size in bits.
3532 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3533 (layout_decl): Likewise when assigning to DECL_SIZE.
3535 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3537 * genrecog.c (validate_pattern): Typo last change. Verify
3538 that output operands have output reloads.
3540 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3542 * genrecog.c (special_mode_pred_table): New.
3543 (NUM_SPECIAL_MODE_PREDS): New.
3544 (find_operand): New.
3545 (validate_pattern): New argument `insn'. Warn for assignment to
3546 any predicate accepting non-lvalues. Conditionaly warn for
3547 match_operand without a mode. Try much harder to match source
3548 and destination modes on a set.
3549 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3551 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3553 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3555 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3557 * combine.c (simplify_logical): Recognize xor pattern that encodes
3560 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3562 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3565 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3567 * ggc-page.c (MAP_FAILED): Provide default.
3569 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3571 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3572 * sparc.h (PREDICATE_CODES): Update.
3574 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3576 * alpha.c (some_ni_operand): New.
3577 * alpha-protos.h: Declare it.
3578 * alpha.h (PREDICATE_CODES): Update.
3579 * alpha.md (sXaddq reload insns): Use some_ni_operand
3580 for SET_DEST instead of some_operand.
3582 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3583 Jim Wilson <wilson@cygnus.com>
3585 * genrecog.c (maybe_both_true_2): Don't compare modes of
3587 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3588 after find_afterward.
3589 (debug_decision_1): Dump next and afterward codes.
3591 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
3593 * rtl.c (dump_and_abort): Remove.
3594 (fatal_with_file_and_line): New.
3595 (fatal_expected_char): New.
3596 (read_rtx_lineno, read_rtx_filename): New.
3597 (read_skip_spaces): Track line number.
3598 (read_name): Use fatal_with_file_and_line.
3599 (read_rtx): Use fatal_expected_char. Track line number.
3600 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
3602 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
3603 if it isn't a CODE_LABEL.
3605 * genattr.c (main): Set read_rtx_filename.
3606 * genattrtab.c (main): Likewise.
3607 * gencodes.c (main): Likewise.
3608 * genconfig.c (main): Likewise.
3609 * genemit.c (main): Likewise.
3610 * genextract.c (main): Likewise.
3611 * genflags.c (main): Likewise.
3612 * genopinit.c (main): Likewise.
3613 * genoutput.c (main): Likewise.
3614 * genpeep.c (main): Likewise.
3616 * genrecog.c (decision_test.u.insn): Add `lineno'.
3617 (pattern_lineno, error_count): New variables.
3618 (message_with_line): New.
3619 (add_to_sequence): Break out checking code to ...
3620 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
3621 (merge_insn): Use message_with_line.
3622 (make_insn_sequence): Use validate_pattern. Record insn lineno.
3623 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
3625 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3627 * expr.c (store_constructor): Clear union if constructor is empty.
3629 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
3631 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
3632 Add !endian checks. Change %{...} to %(...).
3634 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
3636 * i386.md (*addsi3_cc): Renamed from addcsi3.
3637 (*addsi3_carry): Renamed from addxsi3.
3638 (*subsi3_cc): Renamed from subcsi3.
3639 (*subsi3_carry): Renamed from subxsi3.
3640 (*xorqi_cc_1): Renamed from xorcqi_1.
3641 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
3642 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
3644 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
3646 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
3647 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
3649 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
3651 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
3652 climb up the chain of insns.
3654 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
3656 * genrecog.c (write_subroutine): Careful for null trees.
3657 (process_tree): Don't elide empty functions.
3659 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
3661 * Makefile.in (genrtl.o): Depend on ggc.h.
3662 * configure.in (valloc): Probe for it.
3663 (with-gc): Use ggc-page if valloc present.
3664 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
3665 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
3666 (ggc_alloc_string): Moved from ggc-page.c.
3667 * ggc-none.c (ggc_alloc_obj): New.
3668 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
3669 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
3670 (struct globals): Likewise for dev_zero_fd.
3671 (init_ggc): Likewise for it's initialization.
3672 (ggc_allocated_p): Move careful dereference from ...
3673 (ggc_lookup_page_table): ... here. Delete.
3674 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
3675 (alloc_anon): Use valloc if no mmap.
3676 (release_pages): Use free if using valloc.
3677 (ggc_alloc_obj): Renamed from alloc_obj.
3678 (ggc_set_mark): Renamed from mark_obj.
3679 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
3680 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
3681 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
3682 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
3683 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
3684 (ggc_collect): Use fp printing instead of our own rounding.
3685 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
3686 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
3687 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
3688 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
3689 (struct ggc_string, struct ggc_any): Delete.
3690 (offsetof): Provide default definition.
3691 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
3693 (struct ggc_mem): New, from corpse of ggc_any.
3694 (struct ggc_status): Delete.
3695 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
3696 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
3697 (n_strings_collected, n_anys_collected): Delete.
3698 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
3699 (ggc_alloc_string, ggc_alloc): Delete.
3700 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
3701 (ggc_free_string, ggc_free_any): Delete.
3702 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
3703 (ggc_compare_addresses, ggc_mark_string): Delete.
3704 (ggc_mark_string_if_gcable, ggc_mark): Delete.
3705 (search_data): Delete.
3706 (struct globals): New.
3707 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
3708 (tree_insert, tree_lookup): New.
3709 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
3710 (clear_marks, sweep_objs): New.
3711 (ggc_collect): Gut. Use clear_marks, sweep_objs.
3712 (init_ggc): Set allocated_last_gc.
3713 (ggc_push_context): Gut. Use G.context.
3714 (ggc_pop_context): Likewise.
3715 (ggc_pop_context_1): New.
3716 (debug_ggc_tree): New.
3717 (debug_ggc_balance, tally_leaves): New.
3718 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
3719 (ggc_mark_string_if_gcable): Remove decl.
3720 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
3721 (ggc_mark_rtvec_children): New.
3722 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
3723 (ggc_mark_if_gcable): New decl.
3724 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
3725 (ggc_alloc_tree, ggc_alloc): Likewise.
3726 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
3727 (ggc_alloc_obj): New decl.
3728 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
3729 (ggc_alloc_tree, ggc_alloc): Likewise.
3730 (ggc_set_mark): New decl.
3731 * rtl.h (struct rtx_def): Remove gc_mark.
3732 (struct rtvec_def): Likewise.
3733 * tree.h (struct tree_common): Likewise.
3735 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
3737 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
3738 float_format and thread_file definitions.
3739 * configure: Rebuilt.
3741 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
3743 * extend.texi (Function Names): Document types of function names.
3745 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3747 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3748 an earlyclobbered output conflict with RELOAD_INPUT reloads.
3750 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3752 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
3754 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3756 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
3758 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
3760 * collect2.c (main): Do prelimnary link on AIX if rflag.
3762 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3764 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
3765 __CTOR_LIST__ in opposite order, which is the correct order for sorted
3767 (__do_global_dtors): similarly for __DTOR_LIST__.
3769 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3770 Diego Novillo <dnovillo@cygnus.com>
3772 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
3775 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
3777 * fixincl/*: Merged "no_bogosity" branch
3778 * fixincl/fixlib.h: protect against doubly defining t_bool
3779 * fixincl/server.h: protect against doubly defining t_bool
3781 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
3783 * genoutput.c: Include toplev.h.
3785 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
3787 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3789 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
3790 * configure: Regenerate.
3792 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
3794 * gcse.c (delete_null_pointer_checks): Returns void.
3796 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3798 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
3799 * emit-rtl.c (copy_insn_1): Likewise.
3801 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
3803 * config/mips/mips.c (mips_build_va_list): Correct
3804 TREE_CHAIN setting when hard-float.
3805 (mips_va_start): Use corrected setting.
3806 (mips_va_arg): Likewise. Also pass a tree to build of
3807 POSTINCREMENT_EXPR rather than a naked 'int'.
3809 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
3811 * ggc.h (ggc_push_context): Fix comment.
3812 (ggc_pop_context): Likewise.
3813 (mark_string_if_gcable): Likewise.
3814 * ggc-common.c (ggc_mark_rtx_children): Use
3815 ggc_mark_string_if_gcable.
3816 * ggc-page.c (ggc_lookup_page_table): New function.
3817 (ggc_allocated_p): Likewise.
3818 (mark_obj): Fix formatting.
3819 (ggc_mark_string_if_gcable): New function.
3820 * ggc-simple.c (ggc_allocated_strings): New variable.
3821 (ggc_strings_used): Likewise.
3822 (ggc_compare_addresses): New function.
3823 (ggc_pop_context): Pop the `any' memory too.
3824 (ggc_mark_string_if_gcable): New function.
3825 (ggc_collect): Initialize and tear down ggc_allocated_strings.
3827 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
3829 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
3830 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
3831 * rs6000.c (expand_block_move): Match movstrsi_?reg register
3834 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
3836 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
3837 (sched_reg_live_length, sched_reg_basic_block): Delete.
3838 (current_block_num, bb_live_regs, old_live_regs): Delete.
3839 (dead_notes, struct sometimes): Delete.
3840 (sched_note_set, birthing_insn_p): Delete.
3841 (adjust_priority): Gut useless reg lifetime code.
3842 (create_reg_dead_note, attach_deaths): Delete.
3843 (attach_deaths_insn, new_sometimes_live): Delete.
3844 (finish_sometimes_live): Delete.
3845 (find_pre_sched_live, find_post_sched_live): Delete.
3846 (update_reg_usage): Delete.
3847 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
3848 (schedule_insns): Delete reg lifetime code.
3849 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
3850 (unlink_other_notes): Adjust REG_NOTE commentary.
3851 (reemit_notes): Use REG_SAVE_NOTE.
3852 (schedule_block): Likewise.
3853 (schedule_region): Allocate bitmap of blocks in region. Use
3854 count_or_remove_death_notes. Use update_life_info.
3856 * rtl.h (REG_SAVE_NOTE): New.
3857 * rtl.c (reg_note_name): Update.
3859 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
3861 * combine.c (refresh_blocks, need_refresh): New.
3862 (combine_instructions): Allocate refresh_blocks. Invoke
3863 update_life_info if needed.
3864 (distribute_notes): Mark refresh_blocks instead of installing
3866 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
3867 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
3869 * Makefile.in (recog.o): Depend on basic-block.h.
3871 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
3873 * genrecog.c (add_to_sequence): Thinko last change: delete
3874 shadowing allow_const_int variable.
3876 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3878 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
3879 __GNUC__ and __GNUC_MINOR__.
3881 * gansidecl.h: Likewise.
3887 * toplev.h: Likewise.
3893 * varray.c: Likewise.
3895 * varray.h: Likewise.
3897 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3899 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
3900 use one before a jump table.
3902 * rtl.def (ADDRESS): Change documentation to match reality.
3903 * md.texi: Don't document it.
3904 * gmicro.md (load address pattern): Use 'p' constraint, delete use
3907 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
3909 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
3911 * genrecog.c (add_to_sequence): Move allow_const_int test outside
3912 known predicate block; default allow_const_int true.
3913 (debug_decision_list): New.
3915 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
3917 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
3919 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
3921 * gcse.c (gcse_main): Avoid global optimizations if we have a
3922 large number of basic blocks and the ratio of edges to blocks
3924 (delete_null_pointer_checks): Likewise.
3926 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
3928 * c-common.c (check_format_info): Warn if format string isn't a
3931 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3933 * configure.in (arm*-*-*): Don't let autoconf remove brackets
3934 * configure: regenerate
3936 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
3938 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
3939 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
3940 (peepholes): Re-enable.
3942 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
3944 * Makefile.in (flow.o): Depend on TREE_H.
3945 * basic-block.h (REG_SET_EQUAL_P): New.
3948 (free_regset_vector): Remove declaration.
3949 (flow_delete_insn_chain): Declare.
3950 (enum update_life_extent): New.
3951 (update_life_info, count_or_remove_death_notes): Declare.
3952 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
3953 Verify register live at bb->global_live_at_start before adding USE.
3954 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
3955 (CLEAN_ALLOCA): New.
3957 (PROP_*): New flags.
3958 (find_basic_blocks_1): Use alloc_EXPR_LIST.
3959 (clear_edges): Zero n_edges.
3960 (make_edge): Increment n_edges.
3961 (split_edge): Don't allocate bb->local_set. Increment n_edges.
3962 (flow_delete_insn_chain): Export.
3963 (delete_block): Decrement n_edges.
3964 (merge_blocks_nomove): Likewise.
3965 (life_analysis): Give life_analysis_1 PROP flags.
3966 (verify_wide_reg_1, verify_wide_reg): New.
3967 (verify_local_live_at_start): New.
3968 (update_life_info): Rewrite to call into propogate_block.
3970 (mark_regs_live_at_end): After reload, if epilogue as rtl,
3971 always mark stack pointer. Conditionally mark PIC register.
3972 After reload, mark call-saved registers, return regsiters.
3973 (life_analysis_1): Accept PROP flags not remove_dead_code.
3974 Call mark_regs_live_at_end before zeroing regs_ever_live.
3975 Use calculate_global_regs_live. Copy global_live_at_end before
3976 calling final propagate_block. Zero reg_next_use on exit.
3977 (calculate_global_regs_live): New.
3978 (allocate_bb_life_data): Don't allocate bb->local_set.
3979 (init_regset_vector, free_regset_vector): Remove.
3980 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
3981 Test flags before every operation. Warn if prologue/epilogue insn
3982 would have been deleted.
3983 (mark_set_regs, mark_set_1): Accept and use FLAGS.
3984 Use alloc_EXPR_LIST.
3985 (mark_used_regs): Accept and use FLAGS, not FINAL.
3986 Remove special handling for RETURN.
3987 (try_pre_increment): Use alloc_EXPR_LIST.
3988 (dump_flow_info): Dump n_edges.
3989 (unlink_insn_chain, split_hard_reg_notes): Remove.
3990 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
3991 (find_insn_with_note, new_insn_dead_notes): Remove.
3992 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
3993 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
3994 (replace_insns): Remove.
3995 (count_or_remove_death_notes): New.
3996 (verify_flow_info): Abort on error after all checks.
3997 (remove_edge): Decrement n_edges.
3998 (remove_fake_edges): Tweek format.
3999 * haifa-sched.c (schedule_insns): Use split_all_insns.
4000 * output.h (update_life_info): Remove declaration.
4001 * recog.c (split_all_insns): From the corpse of split_block_insns,
4002 do the whole function block by block. Use update_life_info.
4003 (recog_last_allowed_insn): New.
4004 (recog_next_insn): Mind it.
4005 (peephole2_optimize): Set it. Walk backwards through blocks.
4006 Use update_life_info.
4007 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4008 (split_all_insns): Declare.
4009 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4010 Use split_all_insns.
4012 * i386.md (or -1 peep2s): Disable.
4014 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4016 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4017 a single pattern. Scrap the 'd' versions as unnecessary.
4019 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4020 tablejump_mips162,tablejump_internal4): The operands to a
4021 label_ref must be VOIDmode.
4023 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4025 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4027 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4029 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4031 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4033 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4034 cache every function if ggc_p.
4036 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4038 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4039 instead of copy_rtx. Accept sequences that contain asm statements.
4040 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
4041 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
4042 orig_asm_operands_vector, copy_asm_operands_vector,
4043 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
4045 * rtl.h (copy_insn, copy_insn_1): Declare.
4047 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
4051 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
4052 arguments to `current_file_function_operand'.
4054 * genrecog.c: Include hard-reg-set.h and resource.h in the
4055 generated output file.
4057 * real.c: Include tm_p.h.
4059 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4061 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
4064 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
4066 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
4067 before the fctiwz insn.
4069 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4070 Mark Mitchell <mark@codesourcery.com>
4072 * tree.c (make_lang_type_fn): New funtion pointer.
4073 (make_lang_type): Call it.
4074 * tree.h (make_lang_type): Declare.
4075 (make_lang_type_fn): Likewise.
4076 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
4078 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
4080 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
4081 make sure that HIGH instructions are copied into BASE_REGS.
4083 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
4085 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
4087 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
4089 * c-decl.c (finish_struct): Use simpler method of
4090 removing elements of a singly-linked list.
4092 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
4094 * alpha.md (peephole2's): Comment out peephole2's that generate
4097 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
4099 * genrecog.c (add_to_sequence): Disable mode check for
4102 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4104 * ggc-simple.c (init_ggc): Set empty_string.
4106 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
4108 * configure.in: Detect mmap. Add --with-gc=foo to select
4109 garbage collector; default to page if mmap available.
4110 * Makefile.in (GGC): Substitute.
4112 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
4114 * c-decl.c (ggc_p): Enable.
4116 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4118 * flow.c (verify_flow_info): Make it extern & unconditionally define.
4120 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
4122 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
4123 string for little-endian-data.
4125 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
4127 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
4128 case somebody tries to compile --enable-checking code with gcc
4131 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
4133 * genrecog.c (add_to_sequence): Verify operand to label_ref is
4136 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
4138 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
4139 * jump.c (jump_optimize_1): Document why.
4141 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4143 * collect2.c (scan_prog_file, scan_libraries): Prototype function
4144 pointers and casts for `int_handler' and `quit_handler'.
4146 * flow.c (verify_flow_info, split_hard_reg_notes,
4147 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
4148 remove_edge, remove_fake_successors): Add static prototypes.
4149 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
4150 (mark_set_1): Initialize variable `regno'.
4151 (unlink_insn_chain): Likewise for variable `curr'.
4152 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
4154 * loop.c (strength_reduce): Initialize variable
4155 `unrolled_insn_copies'.
4156 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
4157 prototypes. Change these functions to take const PTR parameters
4158 to avoid prototype conflict when used as the comparson argument
4160 (check_dbra_loop): Initialize variable `comparison_val'.
4162 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
4163 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
4164 (find_valid_class): Initialize variable `best_class'.
4165 (find_reloads): Call memcpy, not bcopy.
4167 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
4168 (hard_reg_use_compare): Don't needlessly cast away const.
4169 (reload_reg_class_lower): Likewise.
4170 (choose_reload_regs): Initialize variable `regno'.
4172 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
4174 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
4176 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
4178 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
4179 ({,d}discard): Add forward declarations. Declare parameter as
4181 (main_without_main): Explicitly declare return type to be int.
4182 (memcpy): Properly declare.
4184 * libgcc2.c (toplevel): If inhibit_libc is defined and not
4185 building the trampoline support, declare malloc, free, and
4187 (__clear_cache): Mark arguments as potentially unused.
4189 * frame.c (toplevel): If inhibit_libc is defined, declare
4192 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
4194 * flow.c (make_edge): Accept an optional 2D bitmap in which
4195 to cache edge existence. Update all callers.
4196 (make_label_edge, make_eh_edge): Pass through the edge cache.
4197 (make_edges): Provide the cache.
4199 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4201 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
4203 (local_mbtowc): Change the type of variable `i' from int to size_t.
4205 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
4206 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
4208 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
4210 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
4211 after other includes that define the appropriate types. Include
4212 tm_p.h for getting user prototypes.
4213 * ggc-callbacks.c (toplevel): Ditto.
4214 * ggc-none.c (toplevel): Ditto.
4215 * gcc-page.c (toplevel): Ditto.
4216 * ggc-simple.c (toplevel): Ditto.
4218 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
4219 Jonathan Larmour <jlarmour@cygnus.co.uk>
4221 * config/mips/mips.c (mips_move_2words): Split doubles if
4222 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
4224 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
4226 * genrecog.c (struct decision_test): New.
4227 (struct decision): Remove test-related members, sort the rest by size.
4228 (IS_SPLIT): Simplify.
4229 (new_decision, new_decision_test): New.
4230 (add_to_sequence): Use them. No special handling for args of
4232 (maybe_both_true): Renamed from not_both_true; return sense changed.
4233 (maybe_both_true_1, maybe_both_true_2): New. Broken out
4234 of maybe_both_true and adjusted for decision_test.
4235 (position_merit): Remove.
4236 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
4237 (merge_accept_insn): New, broken out of merge_trees.
4238 (merge_trees): Use them. No special case for c_test; no node
4239 splitting; use test type instead of position_merit.
4240 (factor_tests): New.
4241 (simplify_tests): New.
4242 (break_out_subroutines): Don't write code now.
4243 (find_afterward): New.
4244 (write_afterward, write_switch, write_cond): New.
4245 (write_action, is_unconditional): New.
4246 (write_node): New. Use them.
4247 (write_tree_1): Rewrite. Use the new functions above.
4248 (write_tree): Remove afterward processing.
4249 (write_subroutine): Simplify function variant emission.
4250 (write_subroutines): New.
4251 (same_codes, clear_codes): Remove.
4252 (same_modes, clear_modes): Remove.
4253 (write_header): New, broken out of main.
4254 (make_insn_sequence): Use new_decision and new_decision_test.
4255 (process_tree): New, broken out of main.
4256 (main): Adjust for merge_trees interface change.
4257 Don't #define operands in the output file.
4258 (record_insn_name): New, broken out of make_insn_sequence.
4259 (debug_decision_2, debug_decision_1, debug_decision_0): New.
4260 (debug_decision): New.
4262 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
4264 * resource.c (find_free_register): Mark class_str argument const.
4265 * resource.h: Update prototype to match.
4267 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
4268 * i386.md: Give all anonymous insns names.
4270 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
4272 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
4275 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
4277 * toplev.c (dbr_sched_time): Unconditional.
4278 (peephole2_time): New.
4279 (compile_file): Add pass numbers to all of the dump file suffixes.
4280 Dump peephole2_time. Don't dump times for non-applicable passes.
4281 (rest_of_compilation): Add pass numbers to dump file suffixes.
4282 Conditionalize calls to the scheduler.
4283 * invoke.texi: Update.
4285 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
4287 * flow.c (make_edges): Fix insn iteration.
4288 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
4289 (find_basic_blocks_1): Fix spelling mistake.
4291 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
4293 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
4294 always have side-effects. Use memset not bzero.
4295 (make_node): Likewise.
4297 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
4299 * stmt.c (expand_anon_union_decl): When any of the elements of the
4300 union is addressable, so is the entire union.
4302 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
4304 * sbitmap.c (sbitmap_ones): Don't set too many bits.
4306 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
4307 * bitmap.c (bitmap_operation): Return true iff TO changed.
4308 (bitmap_equal_p): New.
4309 (bitmap_bit_p): Tidy arithmetic.
4310 (debug_bitmap_file): Likewise.
4312 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
4314 * toplev.c (rest_of_compilation): Turn on cse_not_expected
4315 before cse2 instead of after.
4317 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
4319 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
4322 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4324 * cppinit.c (is_idchar initializer): Loosen tests to accept
4327 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
4329 * mips.md: Define conditional move patterns for floating point
4330 operands and DI mode conditions.
4332 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
4334 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
4335 always have side-effects.
4337 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
4339 * mn10200.c (asm_file_start): Fix typo.
4341 * cppinit.c (is_idchar initializer): Tighten tests for when
4342 to put the table into initialized memory.
4344 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
4345 not an array of rtunion.
4346 * gcc-page.c (ggc_alloc_rtvec): Similarly.
4347 * gcc-simple (ggc_free_rtvec): Similarly.
4349 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
4352 * mbchar.h: Add missing #endif.
4354 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
4355 (FPBIT, DPBIT): Define.
4357 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4359 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
4361 * profile.c (instrument_arcs, output_gcov_string,
4362 tablejump_entry_p): Add static prototypes.
4363 (output_gcov_string): Constify a char*.
4365 * regmove.c (replacement_quality, fixup_match_2): Add static
4368 * resource.h (reg_dead_p): Add extern prototype.
4370 * rtl.c (trim_filename): Add static prototype.
4372 * scan-decls.c (skip_to_closing_brace): Likewise.
4374 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
4375 (expand_end_case): Initialize variable `range'.
4376 (emit_case_nodes): Remove unused prototype `rtx_fn'.
4378 * varasm.c (asm_emit_uninitialised): Add static prototype.
4379 (asm_emit_uninitialised, assemble_variable): Mark parameter with
4382 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4384 * cpplib.c (if_directive_nameo): Add static prototype.
4386 * cse.c (cse_insn): Remove unused variable `p'.
4388 * except.c (create_rethrow_ref, push_entry,
4389 receive_exception_label, new_eh_region_entry, find_func_region,
4390 clear_function_eh_region, process_nestinfo): Add static prototypes.
4391 (get_reg_for_handler): Hide definition.
4392 (process_nestinfo): Initialize variable `extra_handlers'.
4394 * expr.h (expand_builtin_longjmp): Add extern prototype.
4396 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
4398 * function.c (prepare_function_start): Likewise.
4399 (pop_function_context_from): Mark parameter `context' with
4401 (push_temp_slots_for_block, flush_addressof): Hide definition.
4403 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
4404 solve_program_flow_graph, calculate_branch_probs,
4405 function_summary, main, fancy_abort): Add prototypes.
4407 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
4408 (add_hash): Constify a char*.
4410 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
4411 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
4412 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
4414 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
4416 * lists.c (free_list, zap_lists): Likewise.
4418 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4420 * alias.c (nonlocal_reference_p): Add static prototype.
4422 * bitmap.c (bitmap_element_allocate): Prototype args in function
4425 * builtins.c (stabilize_va_list): Add static prototype.
4426 (expand_builtin_va_arg): Constify a char*.
4428 * c-lex.c (getch, put_back, extend_token_buffer_to,
4429 read_line_number, token_getch, token_put_back): Add static
4432 * c-parse.gperf (hash, is_reserved_word): Likewise.
4434 * cccp.c (is_dir_separator): Likewise.
4436 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4438 * graph.h: New file to prototype functions exported by graph.c.
4440 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
4442 * graph.c: Include graph.h.
4444 * toplev.c: Likewise. Remove redundant prototypes.
4446 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
4448 * invoke.texi: Removed duplicated description for -Q.
4450 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
4452 * extend.texi: Grammar fix in __extension__ text.
4454 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
4456 * md.texi (define_peephole2): New section.
4458 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
4460 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
4461 (mov $-1 to or peepholer): Enable for pentium when optimizing for
4464 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
4466 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
4468 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
4470 * i386.md (ffs expander): Emit Pentium friendly code for
4473 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4475 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4479 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4481 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4483 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4485 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4488 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4490 * md.texi (No Constraints): Delete section.
4491 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4492 * final.c (final_scan_insn): We always have register constraints.
4493 * genattrtab.c: Don't include "insn-config.h".
4494 (write_attr_case): We always have register constraints.
4495 * genconfig.c (register_constraint_flag): Delete.
4496 (walk_insn_part): Don't check whether we have register constraints.
4497 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4498 * genoutput.c (have_constraints): Delete.
4499 (main): Don't set it.
4500 (output_operand_data): We always have constraints.
4501 (scan_operands): Likewise.
4502 (compare_operands): Likewise.
4503 * local-alloc.c (block_alloc): We always have constraints.
4504 (requires_inout): Always compile this function.
4505 * recog.c (extract_insn): We always have constraints.
4506 (constrain_operands, reg_fits_class_p): Always compile these
4508 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4510 (struct insn_operand_data): Likewise.
4511 * regclass.c (regclass): We always have constraints.
4512 (record_reg_classes, copy_cost, record_address_regs,
4513 auto_inc_dec_reg_p): Always compile these functions.
4514 * regmove.c (regmove_optimize): We always have constraints.
4515 * reload.c (find_reloads): Likewise.
4516 * reload1.c (reload): Likewise.
4517 (reload_cse_simplify_operands): Likewise.
4518 * i860.c (output_delay_insn): Likewise.
4520 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4522 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4524 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4526 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4527 for the va_list record.
4529 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4531 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4534 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4536 * alias.c: Include insn-flags.h.
4537 * Makefile.in (alias.o): Update.
4539 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4541 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4542 to LTU and GEU. Handle more cases using sbb.
4544 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4546 * i386.md (truncatexfdf splitters): Do not use subreg.
4547 (fop XFmode patterns): Fix mode in operand testing.
4549 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4551 * jump.c (jump_optimize_1): Amend last change to test only the
4552 form of the operand, not the insn.
4554 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4555 not register_operand to determine when B may need preloading.
4557 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4559 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4560 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4561 (call-value patterns): Move to end of file.
4562 (*): Remove mode from label_ref in (pc) context.
4563 (movstrqi): Use memory not general_operand for BLKmode operands.
4564 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4565 to register_operand operands.
4566 (peep2 patterns): Convert from commented-out peephole patterns.
4568 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4570 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4571 to BUILT_IN_INIT_DWARF_REG_SIZES.
4572 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4573 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4574 expand_builtin_init_dwarf_reg_sizes.
4575 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4576 with __builtin_init_dwarf_reg_size_table.
4577 * dwarf2out.c (struct reg_size_range): Delete.
4578 (expand_builtin_init_dwarf_reg_sizes): New function.
4579 (expand_builtin_dwarf_reg_size): Delete.
4580 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4581 (expand_builtin_dwarf_reg_size): Don't declare.
4582 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4583 (dwarf_reg_size_table): New.
4584 (init_reg_size_table): New function.
4585 (copy_reg): Use dwarf_reg_size_table.
4586 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
4589 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
4591 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
4592 Correctly build argument list to constructor and destructor functions.
4594 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
4596 * c-tree.h (warn_float_equal): Declare.
4597 * c-decl.c (warn_float_equal): Define.
4598 (c_decode_option): Recognize -W[no-]float-equal.
4599 * c-typeck.c (build_binary_op): Conditionally warn
4600 about equality tests of floating point types.
4601 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
4602 * invoke.texi: Add docs for -Wfloat-equal warning.
4604 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
4606 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
4607 generating RTL directly.
4608 * mips.h (INIT_TARGET_OPTABS): Likewise.
4609 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
4611 * expr.h (init_mov_optab): Delete declaration
4613 * h8300.c (WORD_REG_USED): Update to avoid useless register
4614 saves in interrupt functions and functions which never return.
4616 * cse.c (struct set): Delete inner_dest_loc field.
4617 (cse_insn): Remove assignments to inner_dest_loc field.
4619 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
4621 * ggc-page.c: Don't include <unistd.h> etc taken care of
4622 by "system.h". Include <sys/mman.h> afterward.
4624 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
4626 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
4629 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
4631 * xcoffout.c (xcoffout_declare_function): Add documentation.
4632 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
4633 TARGET_64BIT. Compare constant to -1, not bit pattern.
4634 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
4635 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
4638 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
4640 * dwarf2out.c (add_abstract_origin_attribute): Abort if
4642 (gen_inlined_enumeration_type_die): Do not abort if the type has
4643 not been writeen out.
4644 (gen_inlined_structure_type_die): Do not abort if the type has
4645 not been writeen out.
4646 (gen_inlined_union_type_die): Do not abort if the type has
4647 not been writeen out.
4648 (gen_tagged_type_instantiation_die): Do not abort if the type
4649 has not been written out.
4651 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4653 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
4655 * reg-stack.c (straighten_stack): Copy hard reg set with
4658 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
4660 * builtins.c (stabilize_va_list): Stabilize array type va_list
4661 to a pointer type, not the base record type.
4662 (expand_builtin_va_copy): Dereference the pointers explicitly;
4663 use the correct size for the copy.
4665 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
4666 (rs6000_va_arg): Likewise.
4668 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
4670 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
4672 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
4674 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
4676 (DECL_BUILT_IN_CLASS): Adjust accordingly.
4678 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
4680 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
4681 (init_ggc): Use it instead of a constant.
4682 (ggc_collect): Bound allocated_last_gc by it.
4684 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
4686 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
4689 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
4691 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
4692 (mips*-*-openbsd*): Let big endian configuration be a fragment.
4694 * config/mips/openbsd.h: New, OpenBSD little endian target.
4695 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
4696 * config/mips/xm-openbsd.h: New, OpenBSD host.
4698 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
4700 * config/m68k/m68k.c (output_function_prologue,
4701 output_function_epilogue): Use
4702 current_function_uses_pic_offset_table instead of regs_ever_live
4703 to decide whether to save/restore pic register.
4704 (legitimize_pic_address): Don't modify regs_ever_live any more.
4706 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
4708 * function.h (struct function): Add x_dont_save_pending_sizes_p.
4709 * stor-layout.c (variable_size): Don't add sizes to the pending
4710 sizes list if x_dont_save_pending_sizes_p is set.
4712 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
4714 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
4715 for symbolic_operand().
4716 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
4718 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4720 * combine.c (gen_rtx_combine): Add missing call to va_end().
4722 * final.c (asm_fprintf): Likewise.
4724 * genattrtab.c (attr_rtx): Likewise.
4726 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
4728 * cse.c: Update comments.
4729 (cse_insn): When converting a conditional/computed jump into
4730 an unconditional jump, always make sure a BARRIER immediately
4731 follows the converted jump. Do not delete unreachable code.
4732 (cse_basic_block): Do not delete unreachable code.
4733 * toplev.c (rest_of_compilation): Move call to
4734 delete_trivially_dead_insns after the conditional call to
4737 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4739 * collect2.c (make_temp_file): Don't prototype.
4741 * gcc.c (make_temp_file): Likewise.
4743 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
4745 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
4747 * varasm.c (asm_emit_uninitialised): New function: Generate
4748 the assembler statements necessary to declare an uninitialised
4750 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
4752 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
4753 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
4755 (assemble_variable): Use asm_emit_uninitialised to emit an
4756 uninitialised variable.
4758 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
4760 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
4761 constant on a 64 bit host. Patch supplied by Geoffrey Keating
4762 <geoffk@cygnus.com>.
4764 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4766 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
4767 * c-common.h (builtin_function): Don't declare.
4769 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
4771 (pushdecl): Likewise.
4772 (finish_decl): Likewise.
4773 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
4774 int. All callers changed.
4775 Set the builtin's DECL_BUILT_IN_CLASS.
4776 * tree.h (enum built_in_class): New.
4777 (enum built_in_function): Delete NOT_BUILT_IN.
4778 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
4780 (DECL_SET_FUNCTION_CODE): Likewise.
4781 (DECL_BUILT_IN_CLASS): New macro.
4782 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
4783 (struct tree_decl): Split builtin function code field into a
4785 (builtin_function): Declare.
4787 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
4789 * optabs.c (init_traps): Fix typo in last change.
4791 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
4793 * toplev.c (rest_of_decl_compilation): Update comment.
4795 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4797 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
4798 in .sbss if appropriate.
4799 (EXTRA_SECTION_FUNCTIONS): Add sbss.
4800 (SBSS_SECTION_ASM_OP): New macro.
4801 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
4802 (EXTRA_SECTIONS): Add in_sbss.
4803 * config/mips/mips.h: Prototype sbss_section.
4805 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
4807 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
4810 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
4812 * optabs.c (init_traps): Register trap_rtx as a GC root.
4814 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4816 * config/mips/mips.c (function_arg_pass_by_reference): Define
4817 unconditionally, since it's called unconditionally.
4819 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
4821 * toplev.c (documented_lang_options): Add -fshort-wchar.
4822 * c-decl.c (c_decode_option): Likewise.
4823 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
4825 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
4826 * gcc.c (default_compilers): If -fshort-wchar,
4827 override __WCHAR_TYPE__.
4828 * tm.texi (C Dialect Options): Add -fshort-wchar.
4830 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
4831 symbol for a variable.
4833 * cpplib.h (CPP_PREPROCESSED): New macro.
4834 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
4835 we're seeing this input for a second time.
4837 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
4839 * emit-rtl.c (init_emit_once): Initialize modes first.
4841 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
4843 * config/i386/i386.c (pic_label_name): Change to char pointer.
4844 (global_offset_table): New variable.
4845 (load_pic_register): Fill global_offset_table if it hasn't
4846 already been done. Allocate pic_label_name dynamically.
4847 * ggc.h (empty_string): New variable.
4848 * ggc-simple.c (empty_string): Likewise.
4849 (init_ggc): Allocate empty_string and add as root.
4850 * stmt.c (digit_strings): New variable.
4851 (init_stmt): Add last_block_end_note as root. Allocate and
4852 initialize digit_strings.
4853 (expand_asm_operands): Use empty_string instead of string
4854 constant. Use digit_strings instead of string constants.
4855 * profile.c (init_arc_profiler): Allocate string with
4856 ggc_alloc_string instead of xmalloc.
4857 (output_func_start_profiler): Likewise.
4858 * c-typeck.c (digest_init): Check if init is error_mark_node.
4860 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
4861 Richard Henderson <rth@cygnus.com>
4863 * ggc-page.c: New file.
4864 * Makefile.in (ggc-page.o): New.
4866 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
4868 * invoke.texi: Document -fdelete-null-pointer-checks
4869 * toplev.c (flag_delete_null_pointer_checks): New.
4870 (f_options): Add entry for -fdelete-null-pointer-checks.
4871 (rest_of_compilation): Conditionalize null pointer check
4872 elimination on flag_delete_null_pointer_checks.
4873 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
4875 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
4877 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
4878 copyright notice and special exception to GPL.
4880 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4882 * abi64.h (mips_function_value): Add prototype arguments.
4884 * mips-protos.h: New file with mips prototypes.
4886 * mips.c: Include "tm_p.h".
4887 (mktemp, lookup_name): Add prototype arguments.
4888 (extern_list, string_constant, mips_fill_delay_slot,
4889 mips_output_external, mips_output_external_libcall,
4890 mips_output_filename, mips_declare_object, function_prologue,
4891 mips_expand_prologue, function_epilogue, mips16_constant,
4892 build_mips16_function_stub, mips_output_conditional_branch):
4894 (mips_va_start): Remove unused variable `u'.
4895 (mips_va_arg): Cast value to unsigned when comparing against one.
4897 (save_restore_insns, mips_expand_prologue): Add missing arg in
4898 call to `large_int'.
4900 * mips.h: Move prototypes to mips-protos.h.
4901 (data_section, memory_address_p, rdata_section,
4902 readonly_data_section, simple_epilogue_p, text_section): Delete
4903 prototypes delcared elsewhere.
4904 (mips_epilogue_delay_slots, print_options): Delete unused decls.
4906 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
4908 * mips.md: Delete extra args in call to `mips_move_2words'.
4910 * xm-iris6.h (alloca): Add prototype argument.
4912 * genpeep.c: Include "tm_p.h" in generated output file.
4914 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4916 * basic-block.h (find_edge_index): Change parameters.
4917 * flow.c (verify_edge_list): Pass basic_block parameters to
4918 find_edge_index instead of integers.
4920 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
4922 * combine.c (simplify_comparison): Use an unsigned shift to adjust
4925 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
4927 * gcc.1: Fix a formatting error.
4929 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4931 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
4932 i786, mn10200, mn10300, pdp11, v850.
4934 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
4936 * libgcc2.c (num_digits): Add prototype with
4937 __attribute__((const)).
4938 (__terminate): Add prototype.
4940 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
4942 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
4944 * alpha/alpha.c (print_operand): Fix type of `code'.
4945 (alpha_output_filename): Constify.
4946 * alpha/alpha.h: Move all function declarations ...
4947 * alpha/alpha-protos.h: ... here. New file.
4948 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
4949 (SECTION_FUNCTION_TEMPLATE): Likewise.
4951 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4953 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
4954 * expr.c (expand_expr): Likewise.
4955 (do_jump): Likewise.
4956 (do_store_flag): Pass ccp_store_flag to can_compare_p.
4957 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
4959 (enum can_compare_purpose): New.
4960 (can_compare_p): Adjust prototype.
4961 (prepare_cmp_insn, prepare_operand): Declare.
4962 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
4963 * optabs.c (cmp_available_p): Deleted.
4964 (expand_abs): Pass ccp_jump to can_compare_p.
4965 (can_compare_p): New arg PURPOSE. Check for combined optabs.
4966 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
4967 Call can_compare_p rather than cmp_available_p.
4968 (prepare_operand): No longer static.
4969 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
4970 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
4971 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
4972 sequence to use emit_cmp_and_jump_insns.
4973 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
4975 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
4977 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
4978 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
4979 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
4980 (plus (reg) (const_int 0))
4981 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
4983 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
4985 * rs6000.c (expand_block_move): DImode loads and stores require
4986 word-aligned displacements. Increment address registers with
4987 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
4989 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
4991 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
4992 is no name for the base type, rather than segfault. If we are
4993 writing out a complex integer type, use DW_ATE_lo_user.
4995 * expr.c (emit_move_insn_1): If we are copying a complex that fits
4996 in one word or less (complex char, complex short, or on 64 bit
4997 systems complex float) to/from a hard register, copy it through
4998 memory instead of dying in gen_{real,imag}part. If we have a
4999 short complex type, prevent inlining since it allocates stack
5002 * tree.c (build_complex_type): If we are writing dwarf2 output,
5003 generate a name for complex integer types.
5005 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5007 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5008 * flow.c (remove_edge): Remove extra whitespace.
5009 (remove_fake_edges): Fix comment.
5010 (add_noreturn_fake_exit_edges): Use the correct name.
5012 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5014 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5015 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5016 (clean): Depend on INTL_CLEAN.
5017 (maintainer-clean): Adjust.
5019 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5021 * configure.in (AC_PREREQ): Bump to 2.13.
5022 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5024 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5026 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5028 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5030 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5031 (HAVE_STRINGIZE): Define.
5033 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5035 * c-parse.in: save and restore warn_pointer_arith on __extension__
5036 along with pedantic.
5037 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5038 Set the type of extension to itype rather than $<itype>1 kludge.
5039 * extend.texi (Alternate Keywords): Adjust documentation.
5040 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
5042 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
5044 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
5045 most assembler templates.
5047 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
5048 FP loads and stores.
5049 (following_call): Always return zero for the PA8000.
5050 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
5051 FP loads and stores.
5052 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
5054 * pa.h (BRANCH_COST): Define.
5056 * pa.md (return, return_internal): Use bve for PA2.0.
5058 * pa.md (fused multiply): Add variants which reduce height for the
5059 fused multiply, but which still generate 2 insns.
5060 (fnegabs): Similarly.
5062 * pa.md (subsi3): Turn into an expander. Create two anonymous
5063 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
5064 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
5066 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
5068 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
5070 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
5071 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
5073 * regclass.c (init_regs): Add "top_of_stack" as a garbage
5076 * flow.c (record_active_eh_regions): Terminate loop after finding
5077 the last insn in the last basic block.
5079 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5081 * config/c4x/c4x.md: Delete parallel instruction peepholes.
5083 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5085 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
5087 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5089 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
5090 splitting to not use output template.
5092 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5094 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
5095 * config/c4x/c4x.c (c4x_va_start): New function.
5097 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
5099 * genrecog.c (not_both_true): Handle correctly cases when called for
5100 tests with different positions in the insn.
5102 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5104 * machmode.h (HOST_PTR_PRINTF): Move from here ...
5106 * system.h (HOST_PTR_PRINTF): ... to here.
5108 * mips-tfile.c: Don't include machmode.h.
5110 * Makefile.in (MACHMODE_H): New variable. Update to use it.
5111 (mips-tfile.o): Don't depend on machmode.h.
5113 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5115 * haifa-sched.c (sched_analyze): Rename local variable `region' to
5116 avoid conflicts with typedef struct `region' at the top level scope.
5118 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
5120 * basic-block.h (basic_block): Add eh_beg, eh_end.
5121 * flow.c (entry_exit_blocks): Update.
5122 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
5124 (find_basic_blocks_1): Don't record eh_list at each bb. Use
5125 lists.c functions to allocate insn lists.
5126 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
5128 (make_eh_edge): ... here. New.
5129 (move_stray_eh_region_notes): New.
5130 (record_active_eh_regions): New.
5131 (delete_unreachable_blocks): Split out block merging ...
5132 (try_merge_blocks): ... here. New.
5133 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
5134 Dump debugging data.
5135 (merge_blocks_move_successor_nojumps): Likewise.
5136 (merge_blocks): Use eh_beg+eh_end to validate block movement.
5138 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5140 * extend.texi (Bound member functions): Document unbound pmf
5143 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5145 * flow.c (split_edge): Handle insertion on a fallthrough edge which
5146 has the EXIT_BLOCK as a dest.
5148 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5150 * flow.c (remove_edge): New function to remove an edge from the
5152 (remove_fake_successors): New function to remove fake successor edges.
5153 (remove_fake_edges): New function to remove all fake edges from the
5155 (add_fake_exit_edges): New function to add fake edges from all blocks
5156 with no successors to the exit block.
5157 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
5158 prototypes for new functions.
5160 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5162 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
5163 Use Pmode to determine whether to output .dword or .word.
5165 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
5167 * tree.c (built_in_filename): New variable.
5168 (BUILT_IN_FILENAME): New macro.
5169 (init_tree_codes): Allocate built_in_filename.
5170 (make_node): Use built_in_filename instead of string constant.
5172 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
5174 * configure.in: Add fr30 target.
5175 * configure: Regenerate.
5176 * config/fr30: New directory.
5177 * config/fr30/crti.asm: New file.
5178 * config/fr30/fr30.c: New file.
5179 * config/fr30/crtn.asm: New file.
5180 * config/fr30/fr30.h: New file.
5181 * config/fr30/fr30.md: New file.
5182 * config/fr30/lib1funcs.asm: New file.
5183 * config/fr30/t-fr30: New file.
5184 * config/fr30/xm-fr30.h: New file.
5186 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
5188 * flow.c (merge_blocks_move_successor_nojumps): Delete the
5189 BARRIER at the end of the successor, not the BARRIER before
5192 * pa.c (pa_add_gc_roots): Fix thinko in last change.
5194 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
5196 * stmt.c (any_pending_cleanups): Don't crash when
5197 current_function->stmt is unset.
5199 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5201 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
5202 other initializations that may use it for relative offsets.
5204 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5206 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
5207 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
5208 * config/i386/sol2dbg.h: Removed.
5209 * config/i386/sol2gas.h: New file, to enable gas work-around.
5210 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
5211 Don't use sol2dbg.h.
5212 * configure: Rebuilt.
5214 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
5216 * invoke.texi (-fthis-is-variable): Remove documentation.
5218 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
5220 * basic-block.h (compute_bb_for_insn): Declare.
5221 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
5222 to use; set size of basic_block_for_insn directly.
5223 (find_basic_blocks): Update.
5225 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5227 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
5229 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5231 * crtstuff.c (ON_EXIT): Delete empty macro definition.
5232 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
5234 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
5236 * c-decl.c (c_decode_option): Extend comment.
5238 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
5240 * toplev.c (progname): Make 'const char *'
5241 (flag_print_mem): Move out of main.
5242 (version_flag): Move out of main.
5243 (filename): Move out of main.
5244 (debug_args): Remove g prefix from options.
5245 (documented_lang_options): Remove cpplib specific options.
5246 (display_help): Add g prefix to debug options.
5247 (check_lang_option): Delete this function.
5248 (decode_d_option): New function: Decode -d... option.
5249 (decode_f_option): New function: Decode -f... option.
5250 (decode_W_option): New function: Decode -W... option.
5251 (decode_g_option): New function: Decode -g... option.
5252 (independent_decode_option): New function: Decode a language
5253 independent command line option.
5254 (main): Invoke lang_decode_option and then
5255 independent_decode_option on each command line option in
5258 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
5260 Revert this change. Gavin's patch to operand_equal_p is a better fix.
5261 * fold-const.c (fold_range_test): Do not try to fold the range
5262 test if the rhs or lhs has side effects.
5264 * basic-block.h (compute_flow_dominators): Declare.
5266 * gcse.c (alloc_code_hoist_mem): New function.
5267 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
5268 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
5269 (hoist_code, one_code_hoisting_pass): Likewise.
5270 (gcse_main): If optimizing for size, then hoist expressions
5271 computed in multiple dominated basic blocks.
5273 * gcse.c (invalid_nonnull_info): New function.
5274 (delete_null_pointer_checks): Likewise.
5275 * rtl.h (delete_null_pointer_checks): Declare.
5276 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
5278 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
5279 (merge-blocks_move_successor_nojumps): Likewise.
5280 (merge_blocks): Allow merging of some blocks, even if it requires
5281 physical movement of the blocks, but not if it requires new jumps.
5283 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
5284 Callers and prototype changed.
5285 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
5287 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5289 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
5290 -YP when both -p and -pg are present. From i386/sol2.h.
5292 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5294 * Makefile.in (distclean): Delete tm_p.h.
5295 * configure.in: Create a new file, "tm_p.h", from a list in
5296 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
5297 "i386/i386-protos.h".
5299 * alias.c: Include "tm_p.h".
5300 * c-typeck.c: Likewise.
5301 * calls.c: Likewise.
5303 * emit-rtl.c: Likewise.
5304 * explow.c: Likewise.
5305 * expmed.c: Likewise.
5307 * final.c: Likewise.
5309 * fold-const.c: Likewise.
5310 * function.c: Likewise.
5312 * global.c: Likewise.
5313 * haifa-sched.c: Likewise.
5314 * integrate.c: Likewise.
5316 * local-alloc.c: Likewise.
5318 * optabs.c: Likewise.
5319 * recog.c: Likewise.
5320 * reg-stack.c: Likewise.
5321 * regclass.c: Likewise.
5322 * regmove.c: Likewise.
5323 * reload.c: Likewise.
5324 * reload1.c: Likewise.
5325 * reorg.c: Likewise.
5326 * resource.c: Likewise.
5328 * stor-layout.c: Likewise.
5329 * toplev.c: Likewise.
5331 * unroll.c: Likewise.
5332 * genattrtab.c (main): Make generated file include "tm_p.h".
5333 * genemit.c (main): Likewise.
5334 * genoutput.c (main): Likewise.
5335 * genrecog.c (main): Likewise.
5337 * i386.h: Delete all prototypes.
5338 * i386.c: Include "tm_p.h".
5339 (ix86_attr_length_default): Call constant_call_address_operand
5340 with correct number of arguments.
5341 * i386-protos.h: New file.
5342 * i386.md (unnamed patterns): Call constant_call_address_operand
5343 with correct number of arguments.
5344 (exception_receiver): Call load_pic_register with correct number
5347 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
5349 * c-pragma.c (mark_align_stack): Dereference the void* properly.
5351 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
5353 * rtl.h (insns_safe_to_move_p): New function.
5354 * loop.c (find_and_verify_loops): Use it.
5355 * rtlanal.c (insns_safe_to_move_p): Define it.
5357 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
5359 * c-pragma.c: Include ggc.h.
5360 * Makefile.in (c-pragma.o): Update.
5362 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5364 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
5365 (LIB_SPEC): Likewise.
5366 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
5367 Reindent -YP/-p/-pg.
5368 Copied from config/sparc/sol2.h.
5370 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
5372 * c-pragma.c (mark_align_stack): New.
5374 * c-pragma.h (init_pragma): Declare it.
5375 * c-lex.c (init_parse): Call it.
5377 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5379 * configure.in: Pick up thread library on Solaris/x86 just
5380 like on Solaris/sparc.
5381 * configure: Rebuilt.
5383 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
5385 * rtl.h (global_rtx_index): New enum.
5386 (global_rtl): Change to array of rtx.
5387 (pc_rtx, cc0_rtx): Redefine accordingly.
5388 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
5389 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
5390 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
5391 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
5392 (const_int_rtx): Change to array of rtx.
5393 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
5395 * emit-rtl.c (global_rtl): Change to array of rtx.
5396 (const_int_rtx): Change to aray of rtx.
5397 (gen_rtx_CONST_INT): Redefine accordingly.
5398 (init_emit_once): Allocate and initialize global_rtl. Likewise
5399 for const_int_rtx. Add both as GC roots.
5400 * genattrtab.c (global_rtl): Update declaration.
5402 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
5404 * Makefile (USER_H): Add iso646.h back.
5406 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
5408 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
5409 zapping the LOG_LINKS of sched_before_next_call.
5411 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
5412 * pa.c (insn_refs_are_delayed): Renamed from
5413 insn_sets_and_refs_are_delayed.
5415 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
5417 * functiion.h (struct function): Add x_whole_function_mode_p.
5418 (retrofit_block): Declare.
5419 * function.c (retrofit_block): New function.
5420 (identify_blocks): Add assertions. Allow an incomplete set of
5421 block notes if we're still generating code for the function.
5422 * integrate.c: Include loop.h.
5423 (expand_inline_function): Call find_loop_tree_blocks to map block
5424 notes to blocks when in whole-function mode. Use retrofit_block
5425 to insert new BLOCKs for the inlined function, rather than
5427 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
5428 * Makefile.in (integrate.o): Depend on loop.h.
5430 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
5432 * tree.h (warn_about_unused_variables): Declare.
5433 * stmt.c (warn_about_unused_variables): New function, split out
5435 (expand_end_bindings): Here.
5437 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
5439 * stmt.c (preserve_subexpressions_p): Don't crash when
5440 current_function->stmt is unset.
5442 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
5444 * stmt.c (expand_start_bindings): Allow callers to pass a flag
5445 indicating that no NOTE_INSN_BLOCK_BEG note is required.
5446 (expand_start_target_temps): Use it.
5447 * except.c (expand_eh_region_start_for_decl): Likewise.
5448 * expr.c (expand_expr): Likewise.
5450 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
5452 * fold-const.c (operand_equal_p): Pay attention to side effects.
5454 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
5456 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
5457 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
5459 * tlink.c (scan_linker_output): Look for keywords before accepting
5460 a mangled name in quotes.
5462 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
5464 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
5465 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
5467 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
5469 * alpha.md: Revert Thu Nov 26 change that came in through the
5470 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5471 Avoid earlyclobber when possible.
5473 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5475 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5477 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5478 Define HAVE_ON_EXIT.
5480 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5482 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5483 CTYPE_CONV in all ctype macros.
5485 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5488 * cexp.y (initialize_random_junk): Likewise.
5490 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5492 * i370.c (handle_pragma): Likewise.
5494 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5496 * v850.c (override_options): Likewise.
5498 * doprint.c (_doprnt): Likewise.
5500 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5503 * fixinc/server.c (load_data): Likewise.
5505 * fold-const.c (real_hex_to_f): Likewise.
5507 * genattr.c (write_upcase, gen_attr): Likewise.
5509 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5510 write_upcase): Likewise.
5512 * genemit.c (print_code): Likewise.
5514 * genopinit.c (gen_insn): Likewise.
5516 * genpeep.c (print_code): Likewise.
5518 * genrecog.c (print_code): Likewise.
5520 * optabs.c (init_libfuncs): Likewise.
5522 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5524 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5526 (reemit_notes): Likewise.
5528 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5530 * ggc.h (ggc_root): Move to ggc-common.c.
5532 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5533 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5534 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5535 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5536 * ggc-common.c (ggc_root): Move from ggc.h.
5537 (roots): Declare, static.
5538 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5539 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5540 null or check/set mark bit.
5541 (ggc_mark_roots): New.
5542 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5544 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5546 * m32r.c: Include toplev.h.
5547 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5548 (gen_compare): Rename swap_p to must_swap to match uses.
5549 Add default abort case.
5550 (m32r_output_function_epilogue): Remove unused variables.
5551 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5552 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5553 define to empty parameter list. Update all uses.
5554 (predicate decls): Use enum machine_mode not int.
5555 * m32r.md (movsi): Call abort, not fatal_insn.
5556 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5558 1999-09-14 Andrew Haley <aph@cygnus.com>
5560 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5561 use $0 instead of 0.
5563 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5565 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5566 computation out of loop over hard regs.
5568 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5570 * function.c (identify_blocks): Don't shadow a variable in an
5572 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5573 pushdecl, or poplevel to build up the new BLOCK tree.
5574 (expand_inline_function): Likewise.
5575 (integrate_parm_decls): Likewise.
5577 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5579 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5581 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5583 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5584 * invoke.texi: Document this change.
5586 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5588 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
5590 (mark_emit_status): Renamed from mark_emit_state.
5591 * except.c (mark_eh_status): Renamed from mark_eh_state.
5592 Check not null before marking.
5593 (free_eh_status): New.
5594 * expr.c (mark_expr_status, free_expr_status): New.
5595 * function.c (free_machine_status): New.
5596 (free_after_parsing): New.
5597 (free_after_compilation): Move bits to free_after_parsing; call
5598 free_eh_status, free_expr_status; zero the marked members of the
5600 (prepare_function_start): No can_garbage_collect.
5601 Call init_eh_for_function.
5602 (expand_dummy_function_end): Free up current_function state.
5603 (mark_function_status): Renamed from mark_function_state.
5604 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
5605 * function.h (struct function): No can_garbage_collect.
5606 (free_machine_status, free_after_parsing): Declare.
5607 (free_eh_status, free_expr_status): Declare.
5608 * ggc.h (mark_expr_status): Declare.
5609 * stmt.c (free_stmt_status): Free the struct.
5610 (mark_stmt_status): Renamed from mark_stmt_state.
5611 (init_stmt): Don't call init_eh.
5612 (init_stmt_for_function): Don't call init_eh_for_function.
5613 * toplev.c (compile_file): Call init_eh.
5614 (rest_of_compilation): Free basic block info before ggc_collect.
5615 Call free_after_parsing; conditionally call free_after_compilation.
5616 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
5617 Check not null before marking.
5618 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
5620 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
5622 * c-lex.c (yylex): Initialize warn.
5624 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
5626 * pa.c (emit_move_sequence): Properly set the mode of the scratch
5627 register when performing secondary reloads for the SAR register.
5629 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
5631 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
5632 (NOTE_BLOCK): New macro.
5633 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
5634 * function.h (identify_blocks): Change prototype.
5635 * function.c (identify_blocks): Simplify.
5636 (reorder_blocks): Likewise.
5637 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
5638 NOTE_INSN_BLOCK_{BEG,END}.
5639 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
5640 the list of saved notes if the note isn't a
5641 NOTE_INSN_BLOCK_{BEG,END}.
5642 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
5644 (reemit_notes): Adjust recreation of notes to reflect new saved
5646 * print-rtl.c (print_rtx): Print the address of the BLOCK when
5647 printing a block note.
5648 * stmt.c (block_vector): Remove.
5649 (find_loop_tree_blocks): Simplify.
5650 (unroll_block_trees): Likewise.
5651 * tree.h (reorder_block): Change prototype.
5653 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
5655 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
5656 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
5657 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
5658 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
5659 (atexit, exit): Simplify.
5660 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
5661 * config/lots: Remove defns of HAVE_ATEXIT.
5663 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
5665 * calls.c (precompute_arguments): Fix typo in comment.
5666 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
5669 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
5671 * dsp16xx.c (override_options): Fix typos in GC root registration.
5673 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
5675 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
5677 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
5678 (FUNCTION_PROFILER): Redefine appropriately for Linux.
5679 (CC1_SPEC): Likewise.
5681 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5683 * genattr.c (main): Add extern prototype. Call return, not exit.
5684 * genattrtab.c (main): Likewise.
5685 * gencheck.c (main): Likewise.
5686 * gencodes.c (main): Likewise.
5687 * genconfig.c (main): Likewise.
5688 * genemit.c (main): Likewise.
5689 * genextract.c (main): Likewise.
5690 * genflags.c (main): Likewise.
5691 * gengenrtl.c (main): Likewise.
5692 * genopinit.c (main): Likewise.
5693 * genoutput.c (main): Likewise.
5694 * genpeep.c (main): Likewise.
5695 * genrecog.c (main): Likewise.
5697 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
5698 * genattrtab.c (get_insn_name): Likewise.
5699 * gencodes.c (get_insn_name): Likewise.
5700 * genconfig.c (get_insn_name): Likewise.
5701 * genemit.c (get_insn_name): Likewise.
5702 * genextract.c (get_insn_name): Likewise.
5703 * genflags.c (get_insn_name): Likewise.
5704 * genopinit.c (get_insn_name): Likewise.
5705 * genpeep.c (get_insn_name): Likewise.
5707 * gencheck.c (usage): Add static prototype.
5708 * genextract.c (print_path): Constify a char*.
5709 * genopinit.c (optabs): Likewise.
5710 * genoutput.c (operand_data, data, output_predicate_decls,
5711 compare_operands): Likewise.
5712 * genrecog.c (write_tree): Add default case in switch.
5714 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5716 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
5718 * print-rtl.c (get_insn_name): Remove prototype.
5720 * toplev.h (progname): Declare const.
5722 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
5723 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
5724 dump_sched_info, dump_local_alloc, regset_release_memory,
5725 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
5726 error_with_file_and_line, error_with_decl, error_for_asm, error,
5727 fatal, warning_with_file_and_line, warning_with_decl, warning,
5728 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
5729 Remove redundant prototypes.
5731 (notice, check_lang_option, report_file_and_line, vnotice,
5732 mark_file_stack): Add static prototype.
5733 (set_fatal_function): Add prototype.
5734 (vnotice, report_file_and_line, set_fatal_function,
5735 check_lang_option): Constify a char*.
5736 (main): Prototype. Call return, not exit.
5738 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5740 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
5742 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
5744 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
5746 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
5748 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5750 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
5751 behave as if it's zero in all cases.
5752 (expand_function_start): Adjust call to assign_parms.
5753 * tree.h (assign_parms): Adjust prototype.
5754 * objc/objc-act.c (hack_method_prototype): Adjust call to
5757 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
5759 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
5760 arg_pointer_rtx fixed if the argument pointer register is
5762 (NONZERO_BASE_PLUS_P): Likewise.
5764 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
5766 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
5767 match_insn2 to match_insn.
5768 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
5770 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
5772 * Makefile.in (USER_H): Remove va-foo.h.
5774 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
5775 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
5776 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
5777 va-spur.h,va-v850.h}: Remove.
5779 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
5781 * sparc/sparc.md (eligible_for_return_delay): New attribute.
5782 (in_return_delay): Use it instead of match_insn.
5784 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5786 * config/alpha/va_list.h (va-alpha.h): Do not include.
5787 (__gnuc_va_list): Typedef as in varargs.h.
5789 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
5791 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
5792 DECL_LIVE_RANGE_RTL.
5794 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
5796 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
5797 not NOTE_BLOCK_NUMBER.
5798 (expand_eh_region_end): Likewise.
5799 (find_exception_handler_labels): Likewise.
5800 (scan_region): Likewise.
5801 (exception_optimize): Likewise.
5802 (update_rethrow_references): Likewise.
5803 (set_insn_eh_region): Likewise.
5804 * final.c (final_scan_insn): Likewise.
5805 * flow.c (make_edges): Likewise.
5806 * integrate.c (expand_inline_function): Likewise.
5807 * print-rtl.c (print_rtx): Likewise.
5809 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
5811 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
5812 terms of builtin functions and types.
5814 * mips.c (mips_build_va_list): New.
5815 (mips_va_start, mips_va_arg): New.
5816 * mips.h (BUILD_VA_LIST_TYPE): New.
5817 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5819 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
5820 (sh_build_va_list, sh_va_start, sh_va_arg): New.
5821 * sh.h (BUILD_VA_LIST_TYPE): New.
5822 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5824 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
5826 * recog.h (struct recog_data): Make dup_num, operand_address_p,
5827 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
5828 (struct insn_data): Likewise with n_operands, n_dups,
5829 n_alternatives, output_format.
5830 * regclass.c (scan_one_insn): Cast n_operands to int before
5831 arithmetic inside comparison.
5833 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
5835 * toplev.c (compile_function): Unconditionally emit nop.
5837 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5839 * haifa-sched.c (actual_hazard): Move declaration of variable
5840 `this_cost' into the scope where it is used.
5842 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5844 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
5845 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
5846 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
5848 * genrecog.c (make_insn_sequence): Call memset, not bzero.
5850 * jump.c (find_insert_position): Don't declare or define unless
5851 !HAVE_conditional_arithmetic.
5852 (returnjump_p_1, delete_prior_computation): Add static prototypes.
5854 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
5856 * recog.c (offsettable_address_p): Prototype function pointer.
5857 (preprocess_constraints): Call memset, not bzero.
5859 * tree.c (tree_node_kind_names): Constify a char*. Make static.
5860 (gcc_obstack_init): Don't declare.
5861 (fix_sizetype): Add static prototype.
5862 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
5863 (tree_cons): Call memset, not bzero.
5865 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
5866 definition in macro ASM_WEAKEN_LABEL.
5867 (mark_const_hash_entry): Add static prototype.
5869 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5871 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
5873 * unroll.c (find_common_reg_term, subtract_reg_term,
5874 loop_find_equiv_value): Add static prototypes.
5875 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
5876 (copy_loop_body): Remove unreachable break statement.
5878 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
5880 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
5882 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5884 Undo some changes from the gcc2 merge:
5885 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
5886 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
5890 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
5891 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5892 initialized float-int union if the value is a NaN.
5894 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
5896 * gthr-win32.h: New file.
5898 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
5899 shared as a valid attribute.
5900 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
5901 * extend.texi: Document `shared' variable attribute.
5903 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
5905 * configure.in: Handle --enable-threads on FreeBSD.
5906 * configure: Rebuit.
5908 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5910 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
5912 * configure: Rebuilt.
5914 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
5915 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
5916 Rosimildo DaSilva <rdasilva@connecttel.com>
5918 * configure.in (m68k-*-rtemscoff*): Added.
5919 * configure.in (mips64orion-*-rtems*): Converted to ELF.
5920 * configure.in (sparc-*-rtemsaout*): Added as alias for old
5921 sparc-rtems configuration.
5922 * configure.in (sparc-*-rtemself*): Added.
5923 * configure.in (sparc-*-rtems*): Now ELF not a.out.
5924 * config/i386/rtems.h: Added comment.
5925 * config/sparc/rtemself.h: New file.
5927 * configure.in (m68k-rtemself): Added.
5928 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
5929 and DWARF_DEBUGGING_INFO.
5930 * config/m68k/crti.s: New file.
5931 * config/m68k/crtn.s: New file.
5932 * config/m68k/t-crtstuff: New file.
5933 * config/m68k/rtemself.h: New file.
5935 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
5936 global ctor/dtor and C++ exception handling.
5937 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
5938 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
5940 * config/i386/t-rtems-i386: New File.
5942 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
5944 * stmt.c (expand_end_case): Return right away if the case stack is
5947 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
5949 * Makefile.in (version.c): Remove rule incorrectly brought in from
5952 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
5954 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
5955 * msdos/top.sed: Take into account a prepended $(SHELL) to
5957 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
5959 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
5961 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5963 * regmove.c (fixup_match_1): Don't change an unchanging register.
5964 (stable_but_for_p): Renamed to:
5965 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
5966 Changed all callers.
5968 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
5970 * loop.c (strength_reduce): Don't call reg_used_between_p if the
5971 insn from BL2 is after the insn from BL.
5973 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
5975 * recog.h (INSN_OUTPUT_FORMAT_*): New.
5976 (struct insn_data): Merge `template' and `outfun' into `output'.
5977 Add `output_format'.
5978 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
5979 (struct data): Remove `outfun'; add `output_format'.
5980 (name_for_index): Remove declaration.
5981 (output_insn_data): Handle output formats.
5982 (process_template): Emit the bare array for @.
5983 (gen_expand, gen_split): Set output_format to NONE.
5984 * output.h (get_insn_template): Declare.
5985 * final.c (get_insn_template): New.
5986 (final_scan_insn): Use it.
5987 * toplev.c (compile_file): Likewise.
5989 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5990 * i860/i860.c (output_delayed_branch): Likewise.
5991 (output_delay_insn): Likewise.
5993 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5995 * rtl.c (obstack_alloc_rtx): Removed.
5997 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
5999 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6001 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6003 * i386.c (call_insn_operand): Reject const_int.
6004 (expander_call_insn_operand): Use call_insn_operand.
6006 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6008 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6010 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6012 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6013 Use DImode operation.
6015 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6017 * gcc.c: Include sys/resource.h.
6018 (report_times): New flag.
6019 (execute): If report_times is set, calculate and report the
6020 CPU time consumed by each subprocess.
6022 (rus, prus): New globals.
6023 (option_map): Add --time.
6024 (display_help): Document -time.
6025 (process_command): Set report_times if -time is given.
6026 Turn off -pipe if -time is given.
6028 * invoke.texi: Document new option -time.
6030 * configure.in: Check for getrusage. Check if we have to
6031 prototype getrusage.
6032 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6033 * configure: Regenerate.
6034 * config.in: Regenerate.
6036 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6038 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
6041 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
6043 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
6044 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
6045 (nan): Return _thenan_sf or _thenan_df as appropriate.
6046 (L_thenan_sf): Define _thenan_sf.
6047 (L_thenan_df): Define _thenan_df.
6049 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
6050 (DPBIT_FUNCS): Add _thenan_df.
6052 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
6054 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
6057 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6059 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
6062 (lang_specific_driver): Don't take a function pointer parameter.
6063 All callers changed.
6065 * gcc.c: Include gcc.h.
6066 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
6067 lang_specific_extra_outfiles, fatal): Don't declare.
6068 (multilib_defaults_raw): Constify.
6069 (read_specs): Call memset, rather than bzero.
6070 (main): Call return, not exit.
6071 (lookup_compiler): Call memcpy, not bcopy.
6072 (fatal): Make extern.
6074 * cppspec.c: Include gcc.h.
6075 (lang_specific_driver): Initialize variable `quote'. Constify a
6076 char*. All calls to the function pointer parameter now
6077 explicitly call `fatal'.
6079 * gccspec.c (lang_specific_driver): Include gcc.h.
6081 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
6083 * arm.c (note_invalid_constants): Use recog_data.operand_type
6086 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6088 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
6091 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
6092 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6093 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6094 reload_secondary_in_reload, reload_secondary_out_reload,
6095 reload_secondary_in_icode, reload_secondary_out_icode,
6096 reload_reg_rtx, reload_when_needed): Delete declarations.
6097 (struct reload): New structure.
6098 (rld): Declare new array.
6099 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
6100 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6101 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6102 reload_secondary_in_reload, reload_secondary_out_reload,
6103 reload_secondary_in_icode, reload_secondary_out_icode,
6104 reload_reg_rtx, reload_when_needed): Delete definitions.
6106 (whole file): Replace uses of the deleted arrays with uses of rld.
6107 * reload1.c (whole file): Replace uses of the deleted arrays with
6109 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
6110 explicit loops, not with bcopy.
6112 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
6114 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
6115 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
6116 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
6117 insn_name): Delete and consolidate into new structures.
6118 (insn_operand_predicate_fn): New.
6119 (insn_output_fn): New.
6121 (struct insn_operand_data): New.
6122 (struct insn_data): New.
6124 (OUT_FCN): Update for insn_data change.
6125 * builtins.c (expand_builtin_strlen): Likewise.
6126 (expand_builtin_memcmp): Likewise.
6127 * combine.c (make_extraction, simplify_comparison): Likewise.
6128 * cse.c (canon_reg, cse_insn): Likewise.
6129 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
6130 * expmed.c (store_bit_field, extract_bit_field): Likewise.
6131 (emit_store_flag): Likewise.
6132 * expr.c (convert_move, emit_block_move): Likewise.
6133 (clear_storage, emit_push_insn, expand_increment): Likewise.
6134 (do_store_flag): Likewise.
6135 * expr.h (GEN_FCN): Likewise.
6136 (insn_gen_function): Die.
6137 * final.c (final_scan_insn): Update for insn_data change.
6138 (output_asm_name): Likewise.
6139 * function.c (fixup_var_refs_1): Likewise.
6140 * loop.c (check_dbra_loop): Likewise.
6141 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
6142 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
6143 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
6144 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
6145 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
6146 * regmove.c (gen_add3_insn): Likewise.
6147 * reload.c (push_secondary_reload, combine_reloads): Likewise.
6148 (find_reloads, find_reloads_address_1): Likewise.
6149 (debug_reload_to_stream): Likewise.
6150 * reload1.c (emit_reload_insns, gen_reload): Likewise.
6151 * stmt.c (expand_end_case): Likewise.
6152 * toplev.c (compile_file): Likewise.
6154 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6155 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6157 * print-rtl.c (insn_name_ptr): Remove declaration.
6158 (get_insn_name): Declare.
6159 (print_rtx): Use it.
6160 * genoutput.c (insn_name_ptr): Remove.
6161 (next_operand_number): New.
6162 (struct operand_data): New.
6163 (null_operand, odata, odata_end): New.
6164 (struct data): Use struct operand_data.
6165 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
6166 (get_insn_name): Renamed from name_for_index.
6167 (output_prologue): Define NO_MD_PROTOTYPES.
6168 (output_predicate_decls): Break out from output_epilogue.
6169 Iterate over the operands list.
6170 (output_operand_data): Break out from output_epilogue. Emit
6171 just the operands list.
6172 (output_insn_data): Break out from output_epilogue. Emit just
6174 (output_epilogue): Remove.
6175 (output_get_insn_name): New.
6176 (constraints, op_n_alternatives, predicates, address_p): Die.
6177 (modes, strict_low, seen): Die.
6178 (scan_operands): Take new param `d' instead of writing to
6179 seven global variables.
6180 (compare_operands): New.
6181 (place_operands): New.
6182 (validate_insn_alternatives): Update for struct data change.
6183 (gen_insn): Don't zero or copy 7 global arrays. Update for
6184 scan_operands; call place_operands.
6185 (gen_peephole, gen_expand, gen_split): Likewise.
6186 (main): Update for new output routines.
6188 * genattr.c (insn_name_ptr): Remove.
6189 (get_insn_name): New function.
6190 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
6191 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
6192 * genrecog.c: Likewise.
6194 * alpha.md (adddi3): Make `pattern' array static.
6196 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6198 * config/c4x/c4x.h (c4x_rpts_cycles_string,
6199 c4x_cpu_version_string): Constify char *.
6200 * config/c4x/c4x.c (c4x_rpts_cycles_string,
6201 c4x_cpu_version_string): Likewise.
6203 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
6205 * tree.c (save_tree_status): Revert 10 Sep change.
6206 (restore_tree_status): Likewise. Call obstack_free with NULL
6207 before freeing the obstack proper.
6209 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
6211 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
6213 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
6214 surrounding context.
6216 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
6218 * tree.c (type_hash_canon): Put all types in the hash-table, when
6221 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
6223 * recog.h (struct recog_data, recog_data): New.
6224 (recog_foo variables): Kill.
6225 * recog.c (recog_operand, recog_operand_loc): Kill.
6226 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
6227 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
6228 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
6229 (recog_data): Define.
6230 (extract_insn): Update all recog_foo references to use recog_data.
6231 (preprocess_constraints, constrain_operands): Likewise.
6232 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
6233 * genattrtab.c (main): Likewise.
6234 * genextract.c (main): Likewise.
6235 * genoutput.c: Likewise.
6236 * genrecog.c (write_subroutine, main): Likewise.
6237 * local-alloc.c (block_alloc): Likewise.
6238 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
6239 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
6240 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
6241 * reload.c (find_reloads, find_reloads_toplev): Likewise.
6242 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
6243 (reload_cse_simplify_operands): Likewise.
6245 * arc/arc.c (arc_final_prescan_insn): Likewise.
6246 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
6247 * h8300/h8300.c (notice_update_cc): Likewise.
6248 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
6249 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6250 * mn10200/mn10200.c (notice_update_cc): Likewise.
6251 * mn10300/mn10300.c (notice_update_cc): Likewise.
6252 * romp/romp.c (update_cc): Likewise.
6253 * sparc/sparc.c (check_pic): Likewise.
6254 * v850/v850.c (notice_update_cc): Likewise.
6256 * genemit.c (main): Don't declare recog_operand.
6258 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
6260 * ggc.h (rtvec_def): Forward declare.
6261 (tree_node): Likewise.
6264 (ggc_set_mark_rtx): Add prototype.
6265 (ggc_set_mark_rtvec): Likewise.
6266 (ggc_set_mark_tree): Likewise.
6267 * ggc-simple.c (ggc_root): Don't define.
6268 (roots): Don't declare.
6269 (ggc_mark_rtx): Remove.
6270 (ggc_mark_rtvec): Likewise.
6271 (ggc_mark_tree): Likewise.
6272 (ggc_mark_varray): Likewise.
6273 (ggc_mark_tree_hash_table_entry): Likewise.
6274 (ggc_mark_tree_hash_table): Likewise.
6275 (ggc_set_mart_rtx): New function.
6276 (ggc_set_mark_rtvec): Likewise.
6277 (ggc_set_mark_tree): Likewise.
6278 (ggc_add_root): Remove.
6279 (ggc_add_rtx_root): Likewise.
6280 (ggc_remove_tree_root): Likewise.
6281 (ggc_add_string_root): Likewise.
6282 (ggc_add_tree_varray_root): Likewise.
6283 (ggc_add_tree_hash_table_root): Likewise.
6284 (ggc_del_root): Likewise.
6285 (ggc_mark_rtx_ptr): Likewise.
6286 (ggc_mark_tree_ptr): Likewise.
6287 (ggc_mark_string_ptr): Likewise.
6288 (ggc_mark_tree_varray_ptr): Likewise.
6289 (ggc_mark_tree_hash_table_ptr): Likewise.
6290 * ggc-common.c: New file.
6291 * Makefile.in (OBJS): Add ggc-common.o.
6292 (ggc-common.o): List dependencies.
6294 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
6296 * cppalloc.c (xstrdup): Use memcpy.
6297 * cpperror.c (cpp_print_containing_files): Don't use
6299 * cpplib.c (conditional_skip): Set temp->lineno.
6300 (do_endif): Make error message less obscure.
6301 (if_directive_name): New function.
6302 (cpp_get_token [case EOF]): Unwind the if stack and generate
6303 error messages for each unterminated conditional in this file.
6304 (parse_string): Do not behave differently if -traditional.
6306 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
6308 * builtins.c (expand_builtin_va_arg): Cope with an array-type
6309 va_list decomposing to pointer-type.
6310 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
6311 (rs6000_va_arg): Likewise.
6313 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
6315 * except.c (start_dynamic_handler): Compute size using
6316 STACK_SAVEAREA_MODE.
6318 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6320 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
6321 include directory headers. Don't define strrchr. Don't provide
6322 my_* replacement functions. Prefer PTR over `pointer_type'.
6323 Don't prototype system functions. Don't redefine getopt.
6325 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
6326 safe_read, safe_write, save_pointers, restore_pointers,
6327 is_id_char, in_system_include_dir, directory_specified_p,
6328 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
6329 find_corresponding_lparen, referenced_file_is_newer,
6330 save_def_or_dec, munge_compile_params, gen_aux_info_file,
6331 process_aux_info_file, identify_lineno, check_source,
6332 seek_to_line, forward_to_next_token_char, output_bytes,
6333 output_string, output_up_to, other_variable_style_function,
6334 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
6335 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
6336 find_static_definition, connect_defs_and_decs, add_local_decl,
6337 add_global_decls, needs_to_be_converted, visit_each_hash_node,
6338 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
6339 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
6340 scan_for_missed_items, edit_file, string_list_cons): Add static
6342 (standard_exec_prefix, target_machine, target_version,
6343 default_syscalls_dir, string_list, string_list_cons, find_file,
6344 do_cleaning): Constify a char*.
6345 (safe_read, safe_write): Use PTR, not a char*.
6346 (is_id_char): Take an int, not a char.
6347 (main): Add prototype. Call return, not exit.
6349 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
6351 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
6352 when comparing types.
6354 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
6356 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
6357 (strength_reduce): Release the varrays from the no-bivs early exit.
6359 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
6360 the loop over the registers.
6362 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
6364 (restore_tree_status): Check that instead when freeing the obstack.
6366 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
6368 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
6371 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6373 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
6374 operand size modifiers.
6376 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6378 * c-common.c (c_common_nodes_and_builtins): Don't build
6380 * c-common.h (enum c_tree_index and related accesor macros): Remove
6381 everything now declared in tree.h.
6382 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6383 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
6384 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
6385 (error_mark_node, void_type_node, char_type_node, integer_type_node,
6386 unsigned_type_node, ptr_type_node, va_list_type_node,
6387 integer_zero_node, null_pointer_node, integer_one_node): Delete.
6388 (init_decl_processing): Call build_common_tree_nodes and
6389 build_common_tree_nodes_2 instead of building their nodes here.
6390 Don't add roots for these nodes.
6391 * stor-layout.c (size_zero_node, size_one_node): Delete.
6392 (set_sizetype): Make a new node for bitsizetype each time.
6393 * tree.c (global_trees): New variable.
6394 (init_obstacks): Add a gc root for it.
6395 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6396 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
6397 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
6398 (build_common_tree_nodes): New function.
6399 (fix_sizetype): New function.
6400 (build_common_tree_nodes_2): New function.
6401 * tree.h (enum tree_index): New.
6402 (global_trees): Declare.
6403 Add accessor macros for all nodes now moved to global_trees.
6404 Delete their declarations.
6406 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
6408 * c-decl.c (finish_function): When processing a nested function,
6409 push and pop GC context around rest_of_compilation.
6411 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
6413 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
6414 Default ix86_arch to PROCESSOR_I386.
6415 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
6416 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
6417 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
6418 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
6419 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
6420 (EXTRA_SPECS): Remove deleted specs.
6422 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
6424 * function.c (assign_stack_local_1): Allocate from
6425 function->x_frame_offset, not frame_offset.
6427 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
6429 * ggc.h (lang_cleanup_tree): Remove.
6430 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
6431 * ggc-callbacks.c (lang_cleanup_tree): Remove.
6433 * c-decl.c (finish_struct): Use ggc_alloc to allocate
6434 TYPE_LANG_SPECIFIC when garbage collecting.
6435 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
6436 (lang_cleanup_tree): Remove.
6438 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6440 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
6441 * crtstuff.c: Not here.
6442 * dwarf2out.c: Or here.
6443 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
6446 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
6448 * function.h (free_after_compilation): Remove decl parameter.
6449 (free_varasm_status0: Likewise.
6450 (free_emit_status): Likewise.
6451 (free_stmt_status): Likewise.
6452 (free_after_compilation): Likewise.
6453 (init_lang_status): New variable.
6454 (free_lang_status): Likewise.
6455 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
6456 * function.c (init_lang_status): New variable.
6457 (free_lang_status): Likewise.
6458 (push_function_context_to): Don't set function::decl here.
6459 (free_after_copmilation): Make decl parameter implicit. Call
6460 free_lang_status if defined.
6461 (prepare_function_start): Call init_lang_status if defined.
6462 (init_function_start): Set function::decl here.
6463 * profile.c (output_func_start_profiler): Don't call pushdecl
6464 until we've actually started the function.
6465 * stmt.c (free_stmt_status): Make decl parameter implicit.
6466 * toplev.c (rest_of_compilation): Don't pass decl to
6467 free_after_compilation.
6468 * varasm.c (free_varasm_status): Likewise.
6470 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6472 * except.c (call_get_eh_context): Add root when allocating static
6475 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6477 * arm.c: Include "ggc.h".
6478 (arm_add_gc_roots): New function.
6479 (arm_override_options): Call it.
6480 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6482 * arm.md (define_asm_attributes): Add a pool_range attribute.
6484 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6486 * extend.texi (Volatiles): New node.
6488 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6490 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6491 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6492 (struct ggc_any): Replace `mark' with `magic_mark'.
6493 (ggc_alloc_string): Use memcpy, not bcopy.
6494 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6495 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6496 (ggc_free_any): New.
6497 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6498 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6499 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6500 Use IS_MARKED. Use ggc_free_any.
6502 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6504 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6506 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6508 * toplev.c (main): Always init_ggc.
6510 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6512 * except.c (find_all_handler_type_matches): Free the list if
6513 we found no matches.
6515 * combine.c (SUBST): Break out to a real function do_SUBST.
6516 (SUBST_INT): Likewise.
6517 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6518 (pre_insert): Free `inserted'.
6519 * loop.c (basic_induction_var): Always set `location'.
6521 * function.c (expand_function_end): Add initial_trampoline as a root.
6522 * rtl.h (init_varasm_once): Declare.
6523 * toplev.c (compile_file): Call it.
6524 * ggc-simple.c (ggc_mark_string_ptr): New.
6525 (ggc_add_string_root): New.
6526 (ggc_collect): Disable collection avoidance temporarily.
6527 * ggc.h (ggc_add_string_root): Declare.
6528 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6529 * optabs.c (init_libfuncs): Likewise.
6530 * varasm.c (named_section): Use ggc_alloc_string.
6531 (make_function_rtl): Likewise.
6532 (make_decl_rtl): Likewise.
6533 (assemble_static_space): Likewise.
6534 (assemble_trampoline_template): Likewise.
6535 (output_constant_def): Likewise.
6536 (force_const_mem): Likewise.
6537 (mark_const_hash_entry): New.
6538 (mark_pool_sym_hash_table): New.
6539 (mark_varasm_state): Use it.
6540 (init_varasm_once): New.
6542 * expr.h (init_one_libfunc): Declare.
6543 * optabs.c (init_one_libfunc): New.
6544 (init_optabs): Use it.
6545 * config/gofast.h: Likewise.
6546 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6547 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6549 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6551 * Makefile.in (cppexp.o): Depend on cpphash.h.
6552 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6554 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6555 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6556 redefining poisoned identifiers, etc.
6557 (do_undef): Don't allow poisoned identifiers to be undefined.
6558 (do_pragma): Add #pragma poison.
6559 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6561 * cccp.c: Add T_POISON node type.
6562 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6564 (do_define): Generalise to handle poisoned definitions,
6565 redefining poisoned identifiers, etc.
6566 (do_undef): Don't allow poisoned identifiers to be undefined.
6567 (do_pragma): Add #pragma poison.
6568 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6570 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6571 * c-pragma.h: Add ps_poison state. We now always have generic
6574 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6576 * ggc.h (ggc_alloc): New function.
6577 (ggc_mark): Likewise.
6578 * ggc-simple.c (ggc_any): New structure.
6579 (ggc_status): Add anys.
6580 (n_anys_collected): New variable.
6581 (ggc_alloc): Define.
6582 (ggc_mark): Likewise.
6583 (ggc_collect): Collect the anys.
6585 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6587 * c-decl.c (mark_binding_level): Make static to match prototype.
6589 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
6591 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
6593 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
6595 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
6596 will use into account. Expand the max width to 5.
6599 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
6601 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
6604 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
6606 * alpha.md (call value patterns): Remove the result predicates.
6608 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
6610 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
6613 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6615 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
6616 changed from extern char *, to extern PTR. Also fix typo in
6617 NEED_DECLARATION_REALLOC test.
6619 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
6621 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6623 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
6624 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
6625 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
6626 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
6628 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
6630 * cccp.c (pcfinclude): Likewise.
6632 * global.c (allocno_compare): Likewise.
6634 * haifa-sched.c (rank_for_schedule): Likewise.
6636 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
6638 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
6640 * stupid.c (stupid_reg_compare): Likewise.
6642 * tree.c (_obstack_allocated_p): Likewise.
6644 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
6646 1999-09-08 Bruce Korb autogen@linuxbox.com
6648 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
6649 why "gperf -F" fails.
6650 * gcc/cp/Makefile.in: ditto
6651 * gcc/Makefile.in: ditto
6652 * gcc/java/Makefile.in: ditto
6654 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
6656 * lists.c: Include ggc.h.
6658 (init_EXPR_INSN_LIST_cache): Install it.
6660 * ggc-simple.c (init_ggc): Absorb the old init.
6661 (ggc_push_context): Use xcalloc.
6662 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
6663 (ggc_collect): Add [rvts] tags to the collection stats.
6665 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
6667 * cccp.c (main): Fix handling of -include and -imacros options.
6669 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
6671 * cpplib.c (cpp_push_buffer): Fix order of arguments.
6673 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
6675 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
6678 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6680 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
6681 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
6682 and SET_DEST. Update comment.
6684 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6686 * config/c4x/c4x.c: Include ggc.h.
6687 (c4x_add_gc_roots): New function.
6688 (c4x_override_options): Call c4x_add_gc_roots.
6690 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
6692 * defaults.h (TARGET_ESC): Move ...
6693 * system.h: ... here, where Linas had it in the first place. Silly me.
6695 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
6697 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
6698 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
6699 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
6700 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
6701 * defaults.h (TARGET_ESC): Add default.
6703 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
6705 * configure.in: add i370-*-openedition, i370-*-mvs and
6706 i370-*-linux targets
6708 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
6710 * dsp16xxx.c: Include ggc.h
6711 (override_options): Mark GC roots.
6712 * mn10200.c: Include ggc.h.
6713 (asm_file_start): Mark GC roots.
6714 * tahoe.c: Include ggc.h.
6715 (extensible_operand): Mark GC roots.
6717 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
6719 * README: Add section discussing status of ELF ABI.
6720 * i370.c: Fix misc spelling mistakes.
6721 (i370_label_scan): Updated notes, exception handling.
6722 (i370_function_prolog): Simplify ELF stack handling.
6723 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
6724 (STACK_GROWS_DOWNWARD): ELF stack grows down.
6725 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
6726 * i370.md: (movdi): Add notes.
6727 (floatsidf2): Use stack not rtca for scratch float area.
6728 (iorsi3): Correct operand constraints.
6729 * x-oe: Restore TAROUTOPTS which are used by pax.
6731 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
6733 * rs6000.c: Include ggc.h.
6734 (rs6000_add_gc_roots): New function.
6735 (override_options): Call it.
6737 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
6739 * alpha.h (alpha_compare): New.
6740 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
6741 * alpha.c: Likewise for the definitions.
6742 (alpha_emit_conditional_branch): Update for alpha_compare.
6743 (alpha_emit_conditional_move): Likewise.
6744 * alpha.md (cmpdf, cmpdi): Likewise.
6745 (setcc patterns): Likewise. Zero alpha_compare after use.
6746 (sne): Optimize (x != 0) into (0U < x).
6748 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
6750 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
6751 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
6752 (INIT_EXPANDERS): Remove.
6753 * alpha.c: Include ggc.h.
6754 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
6755 (alpha_init_machine_status, alpha_mark_machine_status): New.
6756 (override_options): Install them.
6757 (struct machine_function): Moved to alpha.h.
6758 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
6759 (alpha_init_expanders): Remove.
6760 (alpha_return_addr): Adjust to use current_function->machine.
6761 (alpha_ra_ever_killed): Likewise.
6762 (alpha_expand_epilogue): Likewise.
6763 * alpha.md (eh_epilogue): Likewise.
6765 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
6766 Melissa O'Neill <oneill@cs.sfu.ca>
6767 Geoffrey Keating <geoffk@cygnus.com>
6769 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
6770 call-used registers (call-saved registers must still be contiguous
6771 and end with r31, of course).
6773 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
6775 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
6776 (self_promoting_type_p): Delete.
6777 (self_promoting_args_p): Move ...
6778 * c-common.c: ... here.
6779 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
6780 (simple_type_promotes_to): New.
6781 * builtins.c (lang_type_promotes_to): New.
6782 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
6783 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
6784 * c-common.h: ... here.
6785 (self_promoting_args_p, simple_type_promotes_to): Declare.
6786 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
6787 (grokdeclarator): Likewise.
6788 * tree.h (lang_type_promotes_to): Declare.
6790 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
6792 Add some machine-dependent GC roots.
6793 * sparc.c: Include ggc.h.
6794 (sparc_add_gc_roots): New function.
6795 (mark_ultrasparc_pipeline_state): Likewise.
6796 (override_options): Call sparc_add_gc_roots.
6797 * pa.c: Include ggc.h.
6798 (pa_add_gc_roots): New function.
6799 (mark_deferred_plabels): Likewise.
6800 (override_options): Call pa_add_gc_roots.
6801 * mips.c: Include ggc.h.
6802 (mips_add_gc_roots): New function.
6803 (override_options): Use it.
6805 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6807 * cpperror.c (cpp_file_line_for_message): Constify a char*.
6809 * cppexp.c (parse_number, parse_charconst, cpp_lex,
6810 cpp_parse_expr): Add static prototypes.
6811 (parse_charconst): Don't cast away const-ness.
6812 (token): Constify a char*.
6814 * cppfiles.c (file_name_list, include_hash, find_include_file,
6815 finclude, initialize_input_buffer): Constify a char*.
6816 (file_cleanup, find_position): Add static prototypes.
6818 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
6819 collect_expansion): Add static prototypes.
6820 (cpp_install, create_definition, monthnames): Constify a char*.
6822 * cpphash.h (cpp_install): Likewise.
6824 * cppinit.c (known_suffixes, default_include,
6825 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
6826 (base_name, dump_special_to_buffer, initialize_dependency_output):
6827 Add static prototypes.
6829 * cpplib.c (my_strerror): Constify a char*.
6830 (null_underflow, null_cleanup, skip_comment, copy_comment,
6831 copy_rest_of_line, handle_directive, pass_thru_directive,
6832 get_directive_token, read_line_number, cpp_print_file_and_line,
6833 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
6834 v_cpp_warning_with_line, detect_if_not_defined,
6835 consider_directive_while_skipping): Add static prototypes.
6836 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
6837 cpp_pedwarn_with_file_and_line): Constify a char*.
6839 * cpplib.h (cpp_options, include_hash, progname, definition,
6840 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
6841 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
6842 find_include_file, deps_output, include_hash): Constify a char*.
6844 * cppmain.c (progname): Constify.
6845 (main): Add prototype. Use return, not exit.
6847 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
6848 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
6849 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
6850 check_protection): Add static prototype.
6852 (progname, recognized_macrom, recognized_extern): Constify a char*.
6853 (main): Add prototype.
6855 * gen-protos.c (progname): Constify a char*.
6857 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
6859 * emit-rtl.c (free_emit_status): Take decl as a parameter.
6860 (init_emit_once): Add more GC roots.
6861 * except.c (mark_func_eh_entry): New function.
6862 (mark_eh_node): Mark false_label and rethrow_label.
6863 (init_eh): Add more GC roots.
6864 * function.c (free_after_compilation): Take decl as a paramter.
6865 Call free_stmt_status.
6866 (mark_function_state): Don't assume x_parm_reg_stack_loc is
6868 * function.h (free_after_compilation): Change prototype.
6869 (free_varasm_status): Likewise.
6870 (free_emit_status): Likewise.
6871 (free_stmt_status): New function.
6872 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
6873 Remove, replacing with ...
6874 (ggc_status): New structure.
6875 (ggc_chain): New variable.
6877 (ggc_push_context): New function.
6878 (ggc_pop_context): Likewise.
6879 (ggc_alloc_rtx): Adjust for use of ggc_chain.
6880 (ggc_alloc_rtvec): Likewise.
6881 (ggc_alloc_tree): Likewise.
6882 (ggc_alloc_string): Likewise.
6883 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
6884 (ggc_mark_tree): Give language-dependent code a chance to mark
6886 (ggc_mark_tree_varray): Handle empty arrays.
6887 (ggc_collect): Adjust for use of ggc_chain. Clear
6888 bytes_alloced_since_last_gc.
6889 * ggc.h (ggc_pop_context): New function.
6890 (ggc_push_context): Likewise.
6891 * print-tree.c (print_node): Don't print obstacks when GC'ing.
6892 * stmt.c (free_stmt_status): New function.
6893 (init_stmt_for_function): Clear last_expr_value.
6894 * toplev.c (rest_of_compilation): Always call free_after_compilation.
6895 Conditionalize call to ggc_collect.
6896 (main): Call init_ggc.
6897 * tree.c (push_obstacks): Do the push, even when GC'ing.
6898 (push_obstacks_nochange): Likewise.
6899 (pop_obstacks): Liekwise.
6900 * varasm.c (free_varasm_status): Take decl as a parameter.
6902 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
6904 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
6905 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
6906 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
6907 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
6909 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
6911 * pa/x-pa-mpeix: New file for the MPE port.
6913 * pa/quadlib.asm: New file for long double support.
6915 * configure.in: Add hppa1.0-*-mpeix for MPE port.
6916 * configure: Rebuilt.
6918 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
6920 * final.c (shorten_branches): Fix last change.
6922 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
6924 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
6926 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
6928 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
6931 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6933 * c-aux-info.c (concat): Don't define.
6935 * cccp.c (my_strerror): Likewise. All callers changed to use
6937 (do_include): Call xstrdup, not xmalloc/strcpy.
6938 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
6939 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
6941 * collect2.c (my_strsignal): Likewise. All callers changed to use
6943 (locatelib): Call xstrdup, not xmalloc/strcpy.
6945 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
6947 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
6949 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
6951 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
6953 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
6955 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
6957 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
6959 (find_all_handler_type_matches): Likewise. Don't check return
6961 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
6962 xmalloc, not malloc.
6963 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
6965 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
6966 (init_spec): Call xcalloc, not xmalloc/bzero.
6967 (set_spec): Call xstrdup, not save_string.
6968 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
6969 (find_a_file): Call xstrdup, not xmalloc/strcpy.
6970 (process_command): Call xstrdup, not save_string.
6971 (main): Call xcalloc, not xmalloc/bzero.
6973 * gcov.c (xmalloc): Don't define.
6974 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
6975 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
6976 (output_data): Call xcalloc, not xmalloc/bzero.
6978 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
6980 * mips-tdump.c (xmalloc): Don't define.
6981 (print_symbol): Call xmalloc, not malloc.
6982 (read_tfile): Call xcalloc, not calloc.
6984 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
6985 Don't define. All callers of xfree/my_strsignal changed to use
6986 free/strsignal instead.
6987 (allocate_cluster): Call xcalloc, not calloc.
6989 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
6990 Fix memory leak, free allocated memory.
6992 * prefix.c (translate_name): Call xstrdup, not save_string.
6993 (update_path): Likewise.
6995 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
6997 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
6998 Don't define. Callers of xfree/savestring2 changed to use
6999 free/concat instead.
7001 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7002 (init_elim_table): Likewise.
7004 * resource.c (init_resource_info): Likewise.
7006 * stupid.c (stupid_life_analysis): Likewise.
7008 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7009 (open_dump_file): Call concat, not xmalloc/strcpy/...
7010 (clean_dump_file): Likewise.
7011 (compile_file): Call xstrdup, not xmalloc/strcpy.
7013 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7015 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7016 * v850.c (v850_va_arg): New.
7018 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7020 * haifa-sched.c: Tidy comments.
7022 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7024 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7025 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7026 $(out_object_file)): Depend on ggc.h.
7027 * c-common.c: Include "ggc.h".
7028 (combine_strings): If doing GC, use ggc_alloc_string.
7029 * c-decl.c: Include "ggc.h".
7030 (ggc_p): Define with value 0.
7031 (mark_binding_level): New function.
7032 (init_decl_processing): Add GC roots.
7033 (mark_c_function_context): New function.
7034 (lang_mark_false_label_stack): New function.
7035 (lang_mark_tree): New function.
7036 (lang_cleanup_tree): New function.
7037 * c-lang.c: Include "ggc.h".
7038 (lang_init): Call c_parse_init.
7039 * c-lex.c: Include "ggc.h".
7040 (check_linenum): If doing GC, don't copy filenames to permanent
7042 * c-parse.in: Include "ggc.h".
7043 (c_parse_init): New function.
7044 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
7045 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
7047 * except.c (mark_eh_state): Mark more state.
7048 * function.c (mark_function_state): Likewise.
7049 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
7050 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
7051 * toplev.c (mark_file_stack): New function.
7052 (compile_file): If doing GC, use ggc_alloc_string on input filename.
7053 (main): Add root for input_file_stack.
7055 * i386.c: Include "ggc.h".
7056 (ix86_mark_machine_status): New function.
7057 (override_options): Set mark_machine_status.
7059 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7061 * tree.c (copy_node): Copy node contents also if doing GC.
7063 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7065 * collect2.c (scan_libraries): Fix double-thinko :-).
7067 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
7069 * collect2.c (scan_libraries): Fix thinko.
7071 * cse.c (delete_trivially_dead_insns): Do not skip the last
7072 insn if it is a real insn.
7074 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
7076 * Makefile.in (ggc-simple.o): Depend on hash.h.
7077 * ggc.h (ggc_add_tree_hash_table_root): Declare.
7078 (ggc_mark_tree_varray): Likewise.
7079 (ggc_mark_tree_hash_table): Likewise.
7080 * ggc-simple.c: Include hash.h.
7081 (ggc_mark_tree_hash_table_ptr): New function.
7082 (ggc_mark_tree_hash_table_entry): Likewise.
7083 (ggc_mark_tree_hash_table): Likewise.
7084 (ggc_add_tree_hash_table_root): Likewise.
7085 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
7086 rtx, when defining fields.
7088 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7090 * profile.c (output_func_start_profiler): Remove apparently
7091 nonsensical call to start_sequence.
7093 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
7095 * clipper/clipper.c (clipper_va_start): Fix typos.
7097 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
7098 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
7099 (spur_va_arg): New stub.
7101 * configure.in: Comment out pyramid.
7103 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
7105 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
7106 don't conflict with the bits that win32, cygwin, and dgux
7109 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
7110 Bernd Schmidt <bernds@cygnus.co.uk>
7112 * integrate.c (function_cannot_inline_p): Do not inline
7113 functions with forced labels.
7115 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
7116 Bernd Schmidt <bernds@cygnus.co.uk>
7117 Mark Mitchell <mark@codesourcery.com>
7119 * Makefile.in (ggc-simple.o): Depend on varray.h.
7120 (rtl.o): Depend on ggc.h.
7121 (genattrtab.o): Depend on ggc.h.
7122 (print-tree.o): Likewise.
7123 (fold-const.o): Likewise.
7124 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
7125 (make_insn_raw): Don't cache insns when GC'ing.
7126 (emit_insn_before): Likewise.
7127 (emit_insn_after): Likewise.
7128 (emit_insn): Likewise.
7129 (start_sequence): Use xmalloc to allocate the sequence_stack.
7130 (end_sequence): Add free to free it.
7131 (gen_sequence): Don't cache insns when GC'ing.
7132 (clear_emit_caches): Don't use sequence_element_free_list.
7133 (init_emit): Use xcalloc, not xmalloc+bzero.
7134 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
7135 * function.c (pop_function_context_from): Use free to free the
7136 fixup_var_refs_queue.
7137 (put_reg_into_stack): Allocate it with xmalloc.
7138 * genattrtab.c: Include ggc.h.
7139 (operate_exp): Don't use obstack_free when GC'ing.
7140 (simplify_cond): Likewise.
7141 (simplify_text_exp): Likewise.
7142 (optimize_attrs): Likewise.
7143 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
7145 (gencode): Generate a #include for ggc.h.
7146 * ggc-callbacks.c (ggc_p): Define it to zero.
7147 * ggc-none.c (ggc_p): Likewise.
7148 * ggc-simple.c: Include varray.h.
7149 (ggc_mark_tree_varray): New function.
7150 (ggc_add_tree_varray_root): Likewise.
7151 (ggc_mark_tree_varray_ptr): Likewise.
7152 * ggc.h (ggc_p): Declare.
7153 (varray_head_tag): Likewise.
7154 (ggc_add_tree_varray_root): Declare.
7155 * print-tree.c (print_node): Don't check for TREE_PERMANENT
7156 inconsistencies when GC'ing.
7157 * rtl.c: Include ggc.h.
7158 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
7159 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
7160 (rtx_free): Don't call obstack_free when GC'ing.
7161 * toplev.c (rest_of_compilation): Call ggc_collect after every
7163 * tree.c (push_obstacks): Do nothing, if GC'ing.
7164 (pop_obstacks_nochange): Likewise.
7165 (pop_obstacks): Likewise.
7166 (make_node): Use ggc_alloc_tree when GC'ing.
7167 (copy_node): Likewise.
7168 (get_identifier): Use ggc_alloc_string when GC'ing.
7169 (build_string): Likewise.
7170 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
7171 (tree_cons): Likewise.
7173 (type_hash_canon): Don't call obstack_free when GC'ing.
7175 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
7177 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
7178 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
7180 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
7181 Bernd Schmidt <bernds@cygnus.co.uk>
7182 Mark Mitchell <mark@codesourcery.com>
7184 * Makefile.in (stor-layout.o): Depend on ggc.h.
7185 (expr.o): Depend on ggc.h.
7186 (profile.o): Depend on ggc.h.
7187 (stor-layout.o): Depend on ggc.h.
7188 * emit-rtl.c (init_emit_once): Add gc roots.
7189 * expr.c: Include ggc.h.
7190 (emit_block_move): Add gc roots.
7191 (clear_storage): Likewise.
7192 * expr.h (init_stor_layout_once): New function.
7193 * profile.c: Include ggc.h.
7194 (init_arc_profiler): profiler_label is a root.
7195 * scan.c (make_sstring_space): Trust xrealloc to function
7196 correctly with first parameter NULL.
7197 * stor-layout.c: Include ggc.h.
7198 (set_sizetype): Add gc root.
7199 (init_stor_layout_once): New function.
7200 * toplev.c (compile_file): Call it.
7202 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
7203 Bernd Schmidt <bernds@cygnus.co.uk>
7204 Mark Mitchell <mark@codesourcery.com>
7206 * Makefile.in (tree.o): Depend on ggc.h.
7207 (varasm.o): Likewise.
7208 (function.o): Likewise.
7210 (except.o): Likewise.
7211 (optabs.o): Likewise.
7212 (emit-rtl.o): Likewise.
7213 * emit-rtl.c: Include ggc.h.
7214 (sequence_element_free_list): Remove, and all references.
7215 (mark_sequence): New functions.
7216 (mark_emit_state): New function.
7217 * except.c: Include ggc.h.
7218 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
7219 (mark_tree_label_node): New functions.
7220 (mark_eh_state): New function.
7221 * function.c: Include ggc.h.
7222 (mark_temp_slot, mark_function_chain): New functions.
7223 (mark_function_state): New function.
7224 (init_function_once): New function.
7225 * function.h (init_function_once): New function.
7226 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
7227 * ggc.h (label_node): Declare.
7228 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
7229 (lang_mark_false_label_stack): New function.
7230 (mark_temp_slot): Remove declaration.
7231 (mark_function_chain): Likewise.
7232 (mark_eh_state): Adjust prototype.
7233 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
7235 * optabs.c: Include ggc.h.
7236 (mark_optab): New function.
7237 (init_optabs): Add gc roots.
7238 * stmt.c: Include ggc.h.
7239 (mark_cond_nesting, mark_loop_nesting): New functions.
7240 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
7241 (mark_stmt_state): New function.
7242 * toplev.c (compile_file): Call init_function_once.
7243 * tree.c: Include ggc.h.
7244 (type_hash): Move declaration earlier in file.
7245 (TYPE_HASH_SIZE, type_hash_table): Likewise.
7246 (init_obstacks): Add gc roots.
7247 (mark_type_hash): New function.
7248 * varasm.c: Include ggc.h.
7249 (mark_pool_constant): New function.
7250 (mark_varasm_state): New function.
7252 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7254 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
7256 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7258 * c-decl.c (struct language_function): Renamed from struct c_function.
7260 (c_function_chain): Delete.
7261 (push_c_function_context): New arg F. Don't warn about nested
7262 functions here. Fill LANGUAGE elt of F. Delete code to update
7263 c_function_chain. Don't call push_function_context.
7264 (pop_c_function_context): New arg F. Restore from there instead of
7265 from c_function_chain. Don't call pop_function_context. Clear out
7266 LANGUAGE field of F when done.
7267 * c-lang.c: Include "function.h"
7268 (lang_init): Initialize save_lang_status and restore_lang_status.
7269 * c-parse.in (nested_function, nested_function_notype): Warn about
7270 nested functions. Call push_function_context/pop_function_context
7271 instead of the _c_ variants.
7272 * c-tree.h (push_c_function_context, pop_c_function_context): Update
7274 * Makefile.in (c-lang.o): Update dependencies.
7276 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
7277 regno_pointer_flag, regno_pointer_align.
7278 (gen_reg_rtx): Use xrealloc to enlarge them.
7279 (free_emit_status): New function.
7280 * function.c (mark_machine_status, mark_lang_status): New variables.
7281 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
7282 in some bits from assign_stack_local. All callers changed to use new
7284 (assign_stack_local): Just call assign_stack_local_1.
7285 (free_after_compilation): New function.
7286 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
7287 (trampoline_address): Likewise.
7288 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
7289 (prepare_function_start): Explicitly clear some more variables.
7290 * function.h (struct function): New elt can_garbage_collect.
7291 (mark_machine_status, mark_lang_status): Declare variables.
7292 (free_after_compilation, free_emit_status, free_varasm_status,
7293 init_varasm_status): Declare functions.
7294 * toplev.c (rest_of_compilation): Call free_after_compilation when
7295 done with the current function.
7296 * varasm.c (free_varasm_status): New function.
7298 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
7300 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
7301 (EXPAND_BUILTIN_VA_ARG): Define.
7302 * sparc.c (sparc_va_start): New.
7303 (sparc_va_arg): New.
7305 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7307 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
7309 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7311 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
7313 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
7315 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
7317 (ggc-callbacks.o): New target.
7318 * ggc-callbacks.c: New file.
7320 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7322 * expr.h: Collapse individual optab and libfunc vars to arrays.
7323 (optab_index, libfunc_index): New enumerations.
7324 (optab_table, libfunc_table): New arrays.
7325 Add accessor macros for both.
7327 * optabs.c (optab_table, libfunc_table): New.
7328 Delete declarations for individual optab and libfunc vars.
7330 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
7332 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
7334 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7336 * Makefile.in (GGC, GGC_LIB): New.
7337 (HOST_RTL): Include ggc-none.o.
7338 (ggc-simple.o): New target.
7339 (ggc-none.o): Likewise.
7340 * tree.h (tree_common): Add gc_mark.
7341 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
7342 (struct rtvec_def): Add gc_mark.
7343 * emit-rtl.c (global_rtl): Update static initializers to contain
7344 enough initializers.
7345 * ggc.h, ggc-none.c, ggc-simple.c: New files.
7346 * toplev.c (gc_time): New variable.
7347 (all_time): New variable.
7348 (compile_file): Print gc time.
7349 (print_time): Calculate percentage of the whole.
7351 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7353 Change obstack memory management and varasm constant pool handling so
7354 that nested functions are treated like any other functions.
7355 * function.c (init_machine_status): New variable.
7356 (push_function_context_to): Set contains_functions for the outer
7357 function. Don't call save_varasm_status.
7358 (pop_function_context_from): Don't call restore_varasm_status. Don't
7359 set current_function_contains_functions.
7360 (prepare_function_start): Call init_varasm_status rather than
7361 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
7363 * function.h (struct function) Add field varasm. Delete fields
7364 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
7365 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
7366 (init_machine_status): Declare.
7367 (save_varasm_status, restore_varasm_status): Delete declarations.
7368 (save_tree_status, restore_tree_status): Delete last argument.
7369 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
7370 code. All callers changed.
7371 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
7372 save_constants_in_decl_trees, restore_constants, save_constants,
7373 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
7375 (inlining): New variable.
7376 (reg_map, label_map, insn_map, orig_asm_operands_vector,
7377 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
7379 (save_for_inline_nocopy): Don't save constants.
7380 Don't set inl_emit field in current_function.
7381 (expand_inline_function): Use emit field, not inl_emit, of the inlined
7382 function. Set new variable inlining before
7383 calling copy_rtx_and_substitute.
7384 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
7385 constant pool references if inlining is nonzero.
7386 Delete ADDRESS and (most of the) CONST cases.
7387 (output_inline_function): Save and restore current_function/
7388 current_function_decl. Delete restore_constants code. Don't call
7389 init_const_rtx_hash_table.
7390 * output.h (init_const_rtx_hash_table): Don't declare.
7391 * rtl.h (struct function): Declare.
7392 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
7393 * toplev.c (rest_of_compilation): Don't treat nested functions or
7394 functions containing them specially. Delete all code to deal with
7395 save_for_inline_copying.
7396 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
7397 inline_obstacks): Delete variables.
7398 (save_tree_status): Lose arg CONTEXT. All callers changed.
7399 Simply allocate a new function_maybepermanent_obstack for the new
7400 function, delete all the special cases.
7401 Don't save inline_obstacks.
7402 (restore_tree_status): Lose arg CONTEXT. All callers changed.
7403 Delete special handling for function_maybepermanent_obstack; simply
7405 Don't restore inline_obstacks.
7406 (permanent_allocation): Delete code that frees inline_obstacks.
7407 (print_inline_obstack_statistics): Delete function.
7408 (dump_tree_statistics): Don't call it.
7409 * varasm.c (struct varasm_status): New.
7410 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
7411 last_pool, pool_offset, const_double_chain): Delete global
7412 variables, replace with accessor macros.
7413 (immed_double_const): Don't walk const_double_chain outside a
7414 function, but don't treat nested functions specially anymore.
7415 (immed_real_const_1): Likewise.
7416 (clear_const_double_mem): Don't treat nested functions specially.
7417 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
7418 (save_varasm_status, restore_varasm_status): Delete functions.
7419 (init_varasm_status): New function.
7420 (force_const_mem): Don't treat nested functions specially.
7421 (find_pool_constant): Accept new arg F, search for constants in
7422 that function's pool rather than the current one. All callers
7424 (get_pool_constant_for_function, get_pool_mode_for_function): New
7427 * i386.c (init_386_machine_status): New function, mostly from
7428 clear_386_stack_locals.
7429 (struct machine_functions): Rename element names to avoid name
7431 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
7432 macros, replacing global variables.
7433 (clear_386_stack_locals, save_386_machine_status,
7434 restore_386_machine_status): Delete functions.
7435 (override_options): Initialize init_machine_status.
7436 * i386.h (INIT_EXPANDERS): Delete macro.
7437 (save_386_machine_status, restore_386_machine_status,
7438 clear_386_stack_locals): Delete declarations.
7440 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7442 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
7443 (doloop_begin): Simplify pattern and use emit_jump_insn.
7444 (doloop_end): Simplify pattern, switch operand order,
7445 and use emit_jump_insn.
7447 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7449 * function.h (struct function): Add new element LANGUAGE.
7450 (save_lang_status): Declare new variable.
7451 (restore_lang_status): Likewise.
7452 * function.c (save_lang_status): Define.
7453 (restore_lang_status): Likewise.
7454 (push_function_context_to): Call language-specific save function.
7455 (pop_function_context_from): Call language-specific restore function.
7457 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7459 * i386.md (movsf_1): Check REG_P before use of REGNO.
7460 (movdf_1): Likewise.
7461 (movxf_1): Likewise.
7462 (extendsfdf2): Likewise.
7463 (extendsfxf2): Likewise.
7464 (extenddfxf2): Likewise.
7466 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7468 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
7469 constants into memory.
7470 (c4x_shiftable_constant): New function.
7471 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7472 (c4x_shiftable_constant): Declare.
7473 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7474 ashlqi3_noclobber): Add new patterns and associated splitters.
7476 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7478 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7479 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7480 * final.c (shorten_branches): Likewise.
7481 * global.c (global_alloc): Likewise.
7482 * haifa-sched.c (build_control_flow): Likewise.
7483 * stmt.c (check_for_full_enumeration_handling): Likewise.
7484 (estimate_case_costs): Likewise.
7486 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7488 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7490 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7492 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7493 (recompute_reg_usage): Likewise.
7494 * rtlanal.c (find_regno_fusage): Likewise.
7496 * rtl.c (rtl_check_failed_code1): New function.
7497 (rtl_check_failed_code2): New.
7498 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7499 (RTL_CHECKC1, RTL_CHECKC2): New.
7500 (XC*): New accessor macros.
7501 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7502 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7503 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7504 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7505 (TRAP_*, RANGE_INFO_*): Likewise.
7507 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7509 * Makefile.in (tlink.o): Don't depend on toplev.h.
7511 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7512 output_file, nm_file_name, ldd_file_name, strip_file_name,
7513 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7514 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7515 fork_execute, maybe_unlink, add_to_list,
7516 extract_init_priority, write_list, dump_list,
7517 dump_prefix_list, write_list_with_asm, write_c_file,
7518 write_c_file_stat, write_c_file_glob, scan_prog_file,
7519 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7520 ignore_library, extract_string, notice, dump_file, target_machine,
7521 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7522 read_file, print_load_command): Constify a char*.
7523 (fdopen, error, fatal, fatal_perror): Don't prototype.
7524 (my_strerror): Remove. All callers use xstrerror instead.
7525 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7526 (main): Add prototype. Constify lots of char* ptrs. Change calls
7527 to xcalloc/strcpy/strcat/... to one call to concat.
7528 (main, scan_prog_file, scan_libraries): Use an intermediate
7529 `const char **' to build an argv array.
7530 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7532 * collect2.h (collect_execute, collect_wait, dump_file,
7533 file_exists): Constify a char*.
7534 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7535 temporary_firstobj, vflag, debug): Add extern declarations.
7536 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7538 * tlink.c: Don't include toplev.h.
7539 (vflag, debug, ldout, c_file_name, temporary_obstack,
7540 permanent_obstack, temporary_firstobj): Don't declare.
7541 (tlink_execute, frob_extension, symbol_hash_lookup,
7542 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7543 recompile_files, read_repo_files, demangle_new_symbols,
7544 scan_linker_output): Constify a char*.
7545 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7546 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7548 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7550 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7551 (relative) rather than jsr (absolute) subroutine call insns.
7552 * config/m68k/m68k-coff.h: Ditto.
7554 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7556 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7557 now rework these too.
7558 (arm_reorg): If an insn can't reach the end of the current pool,
7559 ensure that we emit that pool before the insn.
7561 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7563 * tlink.c (scan_linker_output): Skip the initial underscore in
7564 a mangled name if appropriate.
7566 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7568 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7569 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7570 error_with_ivar, gen_declarator, create_builtin_decl,
7571 my_build_string, generate_descriptor_table, generate_ivars_list,
7572 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7573 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7574 dump_base_name, lang_decode_option, build_encode_expr,
7575 start_class, finish_class, encode_pointer, really_start_method,
7576 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7578 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7579 Add static prototypes.
7580 (build_objc_string_decl, build_selector_reference_decl,
7581 encode_bitfield, build_class_reference_decl): Remove unused
7582 parameter, all callers changed.
7583 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7584 (objc_printable_name): Likewise. Change second parameter to type int.
7585 (init_objc): Use memcpy, not bcopy, to avoid casts.
7587 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
7589 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
7590 reg notes on a deleted insn.
7591 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
7593 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
7595 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
7597 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7599 * stmt.c (expand_asm_operands): Fix index into inout_mode when
7602 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
7604 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
7605 * tm.texi (MD_ASM_CLOBBERS): Document it.
7607 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
7609 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
7610 * except.c (expand_rethrow): Remove unused variable.
7611 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
7612 * flow.c (replace_insns): Likewise.
7613 (create_edge_list, verify_edge_list): Likewise.
7614 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
7616 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
7617 is special code to run.
7618 (main): Don't define operands to emit_operand.
7619 * genrecog.c (main): Don't emit an empty peephole2_insn function.
7621 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
7623 * alpha/alpha.h (normal_memory_operand): Declare.
7624 (reg_no_subreg_operand): Declare.
7625 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
7627 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
7629 * c-parse.in (compstmt_primary_start): New, broken out of first
7630 part of compstmt handling in primary.
7631 (primary): Use it. Add an error clause.
7632 (compstmt_nostart): Renamed from compstmt; remove all
7633 initial invocations of compstmt_start.
7636 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
7638 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
7641 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
7643 * combine.c (simplify_shift_const): Remove extra semicolon.
7644 * dwarf2out.c (remove_AT): Likewise.
7645 * expmed.c (expand_mult): Likewise.
7646 * gcov.c (create_program_flow_graph): Likewise.
7647 * reorg.c (mostly_true_jump): Likewise.
7649 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
7651 * fold-const.c (fold_range_test): Do not try to fold the range
7652 test if the rhs or lhs has side effects.
7654 * combine.c (simplify_rtx): Recognize another case of a synthesized
7657 * varasm.c (mark_constant_pool): When marking indirect references,
7658 only look at SYMBOL_REFs.
7660 * except.c (expand_fixup_region_end): Do not peek at
7661 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
7663 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
7665 * flags.h: New variables align_loops, align_loops_log,
7666 align_jumps, align_jumps_log, align_labels, align_labels_log,
7667 align_functions, align_functions_log.
7668 * toplev.c: Define them.
7669 (f_options): Handle -falign-* when they have no argument.
7670 (main): Add logic to set variables for -falign-functions,
7671 -falign-jumps, -falign-labels, -falign-loops.
7672 Make it -fsched-verbose=<n> and -finline-limit=<n>.
7673 (display_help): Change help to match options.
7674 * final.c (LABEL_ALIGN): Default to align_labels_log.
7675 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
7676 (LOOP_ALIGN): Default to align_loops_log.
7677 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
7678 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
7679 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
7680 * varasm.c (assemble_start_function): Handle align_functions.
7682 * config/sparc/sparc.h: Don't declare sparc_align_*.
7683 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
7684 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
7686 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
7688 * config/sparc/sparc.c: Delete sparc_align_loops,
7689 sparc_align_jumps, sparc_align_funcs and the corresponding string
7691 (sparc_override_options): Default align_functions on ultrasparc.
7692 Delete -malign-* handling.
7694 * config/mips/mips.c (override_options): On 64-bit targets,
7695 try to align code to 64-bit boundaries.
7696 (print_operand): New substitution, %~,
7697 which aligns labels to align_labels_log.
7698 * config/mips/mips.md (div_trap_normal): Use %~.
7699 (div_trap_mips16): Likewise.
7704 (ashldi3_internal): Likewise.
7705 (ashrdi3_internal): Likewise.
7706 (lshrdi3_internal): Likewise.
7707 (casesi_internal): Likewise.
7709 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
7711 Merge new ia32 backend from the branch!
7713 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
7714 See ChangeLog.P2 on new_ia32_branch for details.
7716 * rtl.h (stack_regs_mentioned_p): Delete prototype.
7717 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
7718 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7719 * i386/gas.h (ASM_FILE_START): Define.
7720 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
7721 for name change of ix86_valid_decl_attribute_p.
7722 (i386_pe_valid_type_attribute_p): Similarly.
7724 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
7726 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
7727 to step through CC modes.
7729 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7731 * regmove.c (fixup_match_1): Don't move INSN in front of P if
7732 it would end up in the shadow of a live flags regsiter.
7734 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7736 * reload1.c: Fix many indentation problems.
7737 * reload.c: Likewise.
7739 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
7741 * alias.c (non_local_reference_p): Constify fmt.
7743 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
7745 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
7747 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
7749 * cse.c (delete_trivially_dead_insns): Do not delete stores to
7750 the internal_arg_pointer.
7752 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
7754 Merge peephole2 from new_ia32_branch:
7755 * Makefile.in (STAGESTUFF): Add *.peephole2.
7756 (mostlyclean): Likewise.
7757 (recog.o): Depend on resource.h.
7759 * final.c (peephole): Conditionalize decl on HAVE_peephole.
7760 (final_scan_insn): Likewise for the invocation of peephole.
7761 * genconfig.c (main): Look for peephole and peephole2 patterns.
7762 Emit HAVE_peephole* accordingly.
7763 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
7764 * flags.h (flag_peephole2): Declare.
7765 * toplev.c: New pass peephole2. New flag -fpeephole2.
7767 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
7768 * gencodes.c (main): Likewise.
7769 * genextract.c (main): Likewise.
7770 * genoutput.c (main): Likewise.
7771 * genemit.c (max_operand_1): Look for the max scratch operand.
7772 (gen_rtx_scratch): New.
7773 (gen_exp): Use it, and pass on new arg subroutine_type.
7774 (gen_expand): Take max scratch into account.
7775 (gen_split): Emit peephole2 functions.
7776 (output_peephole2_scratch): New.
7777 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
7778 * genrecog.c (routine_type): Add PEEPHOLE2.
7780 (make_insn_sequence): Match outer parallel for peep2. Discard
7781 top level scratches and dups.
7782 (add_to_sequence): New args insn_type and top. Update all callers.
7783 Handle toplevel peep2 matching insns.
7784 (write_subroutine): Handle peep2.
7785 (write_tree_1): Likewise.
7786 (write_tree): Likewise.
7788 (change_state): New arg afterward. Update all callers.
7789 Handle matching separate insns.
7790 * recog.c (recog_next_insn): New.
7791 (peephole2_optimize): New.
7792 * rtl.def (DEFINE_PEEPHOLE2): New.
7793 * resource.c (find_free_register): New argument last_insn. Use it
7794 to find a register available through the entire span.
7795 * resource.h (find_free_register): Update prototype.
7797 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
7799 * i386.c (output_strlen_unroll): Don't write xops[7]
7800 label if it wasn't set.
7802 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
7804 * cpplib.c (struct directive): Const-ify name pointer and
7805 function pointer prototype.
7806 (validate_else, do_define, do_line, do_include, do_undef,
7807 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
7808 do_elif, do_endif, do_sccs, do_assert, do_unassert,
7809 do_warning): Const-ify second arg.
7810 (directive_table): Mark const. Reorder entries by frequency
7811 of usage, record statistics.
7813 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
7815 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
7816 bounds- check RTL accesses if --enable-checking.
7817 (RTVEC_ELT): Bounds check if --enable-checking.
7818 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
7819 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
7820 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
7822 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
7823 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
7825 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
7826 (NOTE_SOURCE_FILE): Use X0STR.
7827 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
7828 MEM_ALIAS_SET): Use X0INT.
7829 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
7830 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
7832 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
7833 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
7834 (rtl_check_failed_bounds, rtl_check_failed_type1,
7835 rtl_check_failed_type2, rtvec_check_failed_bounds): New
7837 (fancy_abort): Fix comment.
7839 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
7840 (cse_insn): Decrement LABEL_NUSES for jump target before
7842 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
7843 * final.c (alter_subreg): Compute regno before changing x to
7844 REG; set REGNO(x) after changing it.
7845 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
7846 notes containing CONST_INTs.
7847 (delete_eh_regions): Use NOTE_EH_HANDLER.
7848 * function.c (put_reg_into_stack): Make reg a MEM before
7850 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
7852 (gen_mem_addressof): Make reg a MEM before initializing it.
7853 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
7855 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
7856 deleting an insn, not after.
7857 (block_alloc): Only look at PATTERN(insn) if we have to, and
7858 only if it's format class 'i'.
7859 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
7860 CONST_INT before using its INTVAL.
7861 * print-rtl.c (print_rtx): Use X0STR.
7862 * regmove.c (fixup_match_1): Don't look at PATTERN of
7863 non-class-'i' insn chain elements.
7864 * reload.c (loc_mentioned_in_p): Take address of
7865 in->fld[1].rtx directly.
7866 * reload1.c (reload): Change reg to a MEM before initializing
7868 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
7870 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
7872 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
7874 * config/mips/mips.c (machine_dependent_reorg): Force a
7875 barrier to output the local constant pool if a barrier hasn't
7876 been found at a natural point in the instruction stream.
7878 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7880 * c-parse.in (language_string): Constify.
7882 * dwarf2out.c (language_string): Remove declaration.
7884 * dwarfout.c (language_string): Likewise.
7886 * toplev.c (language_string, init_parse, finish_parse): Likewise.
7888 * tree.h (language_string, init_parse, finish_parse): Declare.
7890 * i386/sun386.h (language_string): Remove declaration.
7892 * mips.h (language_string): Likewise.
7894 * nextstep.h (language_string): Likewise.
7896 * nextstep21.h (language_string): Likewise.
7898 * rs6000.c (language_string): Likewise.
7900 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7902 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
7903 (getpwd.o): Remove target.
7905 * getpwd.c: Delete file. Its in libiberty now.
7907 * dbxout.c (getpwd): Don't prototype.
7908 * dwarf2out.c (getpwd): Likewise
7909 * dwarfout.c (getpwd): Likewise
7910 * final.c (getpwd): Likewise.
7911 * protoize.c (getpwd): Likewise.
7913 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7915 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
7917 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
7919 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
7922 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
7924 * fixinc/Makefile.in (subdir): New.
7925 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
7928 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
7930 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
7931 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
7934 * invoke.texi: Fix typo.
7936 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
7937 changed. Handle autoincrement addressing modes.
7939 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
7940 just like we would the virtual incoming args register when
7943 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
7945 * rs6000.h (ASM_FILE_START): Specify complete filename, including
7946 path, in .file directive.
7948 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
7950 * gcc.texi (External Bugs): Remove obsolete note about Perl on
7953 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
7955 * stdbool.h: Make the typedef name _Bool, with bool a #defined
7958 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7960 * tree.c (tree_code_name): Constify a char*.
7962 * tree.h (tree_code_name, decl_printable_name): Likewise.
7964 * function.h (struct function): Likewise.
7966 * toplev.c (decl_name, decl_printable_name): Likewise.
7968 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
7970 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
7971 (init_objc): Remove function pointer cast.
7973 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7975 * pa.md (interspace_jump): New pattern.
7976 (builtin_longjmp): New expander.
7978 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
7980 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
7981 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
7982 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
7984 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
7986 * jump.c (delete_prior_computation): Also check calls
7987 to constant functions. Don't bother checking for a
7988 REG_UNUSED note before adding it.
7989 (delete_computation): Handle multi-word hard registers
7990 when synthesizing missing REG_DEAD notes for a register
7991 which is both set and used by an insn.
7993 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7995 * loop.c (this_loop_info): New variable.
7996 (loop_has_call, loop_has_volatile, loop_has_tablejump,
7997 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
7999 (prescan_loop, strength_reduce): New argument loop_info. All callers
8001 (scan_loop): New variable loop_info, initialise to address of
8003 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8004 Delete variable loop_has_multiple_exit targets and replace with
8005 field in this_loop_info.
8006 (find_and_verify_loops): Rename this_loop to this_loop_num.
8007 (strength_reduce): Delete loop_iteration_info. Replace variable
8008 loop_info with function argument of same name.
8009 (insert_bct): Rework test for loop being completely unrolled.
8011 * loop.h (struct loop_info): New fields num, loops_enclosed,
8012 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8013 has_indirect_jump, and cont. Redefine use of unroll_number.
8014 (loop_unroll_number): Delete.
8016 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8018 (loop_iterations): Delete variable vtop and instead use
8019 loop_info->vtop computed in prescan_loop.
8021 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8023 * fix-header.c (main): Do not pass a null pointer to strcmp.
8025 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8027 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8029 * configure: Rebuilt.
8031 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8033 * jump.c (jump_optimize_1): Do not delete assignments to
8034 internal_arg_pointer.
8035 * cse.c (delete_trivially_dead_insns): Always consider a set of
8036 the internal_arg_pointer live.
8038 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8040 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
8041 (update_life_info) [REG_WAS_0]: Search the original insns rather
8042 than the new insns for the note. Fix typos finding note_dest.
8043 If no dest found, discard the note rather than abort.
8044 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
8045 (replace_insns): Remove the old insn list after update_life_info
8048 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
8050 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
8052 (sched_analyze_1): Let add_dependence care for not adding dups.
8053 (sched_analyze_2): Likewise.
8054 (add_branch_dependences): Likewise.
8056 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
8058 * i386/winnt.c (export_list): New type.
8059 (exports_head): Rename to
8060 (export_head): this.
8061 (i386_pe_record_exported_symbol): Add is_data flag.
8062 (i386_pe_asm_file_end): Emit directive for exported variables.
8063 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
8065 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
8066 (ASM_DECLARE_OBJECT_NAME): Likewise.
8067 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8068 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8070 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
8072 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
8074 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
8077 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
8079 * config/openbsd.h: Define SET_ASM_OP.
8080 * tm.texi: cross-reference SET_ASM_OP in the index.
8082 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
8084 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
8085 for a CONST_DOUBLE, at compile time. Initialize rtx_length
8086 and class_narrowest_mode at compile time. Kill init_rtl.
8087 Mark rtx_length, mode_class, mode_size, mode_unit_size,
8088 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
8089 rtx_format as const. Kill all references to EXTRA_CC_MODES or
8091 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
8093 * rtl.h: Declare rtx_length and rtx_format as const.
8094 * machmode.def: Define CC(). Use CC() to define CCmode. If
8095 EXTRA_CC_MODES is defined, expand it here.
8096 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
8097 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
8098 const. Kill all references to EXTRA_CC_MODES.
8100 * toplev.c: Don't prototype or call init_rtl.
8101 * optabs.c: Don't call init_mov_optab.
8102 * genemit.c: Don't generate init_mov_optab. Don't call
8104 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
8106 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
8107 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
8108 genrecog.c: Don't call init_rtl.
8110 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
8111 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
8112 definition of EXTRA_CC_MODES.
8114 * md.texi: Kill ref to EXTRA_CC_NAMES.
8115 * tm.texi: Document new way to define EXTRA_CC_MODES.
8117 * genrecog.c: Do not look up the name of a define_split.
8120 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
8122 * config/v850/v850.md: Fix typo introduced by previous delta.
8124 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8126 * gcc.c (fatal): Make definition static to match prototype.
8128 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8130 * combine.c (get_last_value): Don't look for earlier sets if the last
8131 known set is somewhere in between the insns being combined.
8133 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
8135 * configure.in: Don't use shell ! to negate exit codes
8136 * configure: Regenerate
8138 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
8140 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
8141 the fact that ALIGN is measured in bits, not bytes.
8143 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
8145 * errors.c: New file; defines functions error, warning, and
8146 fatal, variables have_error and progname.
8147 * errors.h: New file; prototypes and decls for stuff in errors.c.
8149 * Makefile: Add rules to build errors.o and
8150 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
8151 genopinit, genrecog, genextract, genpeep, genattr, and
8152 genoutput with errors.o. Add errors.h to deps of genconfig.o,
8153 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
8154 genpeep.o, genattr.o, and genoutput.o.
8156 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
8157 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
8158 define or prototype fatal. Set progname at beginning of main.
8159 * genoutput.c: Likewise, and don't define or prototype error
8162 * c-typeck.c (c_expand_start_case): Return immediately if exp
8164 * fold-const.c (operand_equal_p): Return immediately if arg1
8165 or arg0 are ERROR_MARKs.
8166 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
8167 fields of type ERROR_MARK when calculating if the record can
8170 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
8171 with much help from Jeffrey A Law and Richard Henderson
8173 * i386.md: In the 6 insns which call output_fix_trunc,
8174 earlyclobber operands[0].
8176 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
8178 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
8179 creating new registers.
8181 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
8183 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
8184 i386_reg_alloc_order, i386_regparm_string,
8185 i386_align_loops_string, i386_align_jumps_string,
8186 i386_align_funcs_string, i386_preferred_stack_boundary_string,
8187 and i386_branch_cost_string as type "const char *".
8188 * i386.c: Define all above strings as type "const char *".
8190 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
8192 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
8193 when emitting alignment padding. Emit padding byte of 0 instead of 4.
8195 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8197 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
8198 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
8200 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
8202 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
8203 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
8204 (dwarf2out_line, dwarf2out_finish): Likewise.
8205 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
8207 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8209 * tree.c (lang_unsave_expr_now) : Correct return type.
8210 * tree.h (lang_unsave_expr_now) : Same.
8212 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
8214 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
8215 instead of duplicating code.
8217 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8219 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
8221 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
8223 * tree.h: fancy_abort always takes three args.
8224 * resource.c: Move include of system.h before toplev.h.
8226 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
8228 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
8231 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
8233 * system.h: Don't redefine abort or trim_filename.
8234 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
8235 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
8236 whether or not __FUNCTION__ is available.
8237 * tree.h: Duplicate rtl.h's definition of abort, for files
8238 that don't include rtl.h. Delete all code to perform type
8239 checking with a compiler other than GCC.
8240 * varray.h: Delete all code to perform type checking with a
8241 compiler other than GCC. Make VARRAY_CHECK() always evaluate
8242 its arguments exactly once, using a statement expression.
8243 Adjust the VARRAY_<type> accessor macros to match.
8244 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
8245 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
8246 caller's location. Define fatal_insn and fatal_insn_not_found
8247 as macros that use _fatal_insn and _fatal_insn_not_found.
8248 (fancy_abort, trim_filename): Kill prototypes.
8250 * rtl.c (trim_filename): Move here from toplev.c.
8251 (fancy_abort): New function.
8252 (DIR_SEPARATOR): Provide default definition.
8253 * tree.c (tree_check_failed, tree_class_check_failed): Go
8254 through fancy_abort.
8255 (tree_check, tree_class_check, cst_or_constructor_check,
8256 expr_check): Delete.
8257 * varray.c (varray_check_failed): New function.
8258 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
8259 _fatal_insn and _fatal_insn_not_found. Go through
8261 (trim_filename, fancy_abort): Delete.
8263 * builtins.c (expand_builtin_args_info): Report ICE with abort.
8264 * except.c (start_catch_handler): Report ICE with error/abort
8266 * final.c (output_operand_lossage): Likewise.
8267 * flow.c (verify_flow_info): Likewise.
8269 * gcc.c: Prototype fatal.
8270 * gengenrtl.c: Undef abort after including rtl.h not system.h.
8271 * genattr.c, genattrtab.c, genemit.c, genextract.c,
8272 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
8273 Don't define fancy_abort.
8275 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
8277 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
8280 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
8282 * m88k.h (VERSION_INFO2): Kill.
8283 (VERSION_STRING): Kill.
8285 (VERSION_INFO1): Tidy.
8286 (TARGET_VERSION): Update.
8287 * m88k/dgux.h (VERSION_INFO2): Kill.
8288 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
8289 * m88k/luna.h (VERSION_INFO1): Tidy.
8290 * m88k/sysv4.h (VERSION_INFO1): Likewise.
8291 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
8292 (output_file_start): Adjust for death of VERSION_STRING.
8294 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
8296 * cpplib.c (detect_if_not_defined): New function.
8297 (do_if): Use it to detect potential once-only headers.
8299 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
8301 * c-common.c (combine_strings): Always set TREE_CONSTANT.
8303 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
8305 * combine.c (nonzero_bits) : Allow single-ly set registers to be
8306 anywere in the function only if they are pseudos and set before
8307 being used (not live at the start of the function).
8308 (num_sign_bit_copies) : Same.
8309 (get_last_value_validate) : Same.
8310 (get_last_value) : Same.
8312 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
8314 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
8315 where N and M are constant and N is an integer multiple of M.
8317 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8319 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
8320 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
8321 sbitmap_union_of_preds): Add prototypes.
8322 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
8323 the intersection of successors with the new flow graph structures.
8324 (sbitmap_intersection_of_preds): New function to compute the
8325 intersection of predecessors with the new flow graph structures.
8326 (sbitmap_union_of_succs): New function to compute the union of
8327 successors with the new flow graph structures.
8328 (sbitmap_union_of_preds): New function to compute the union of
8329 predecessors with the new flow graph structures.
8330 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
8331 (expr_reaches_here_p): Use edge and basic_block structures instead
8332 of s_preds and s_succs.
8333 (compute_cprop_avinout): Use new sbitmap routines.
8334 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
8335 of s_preds and s_succs.
8336 * flow.c (compute_flow_dominators): Compute dominators using
8337 edges and basic blocks instead of s_preds and s_succs.
8339 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8341 * lists.c (unused_insn_list, unused_expr_list): New file for
8342 maintaining various types of lists. New statics for maintaining a
8343 cache of available INSN_LIST and EXPR_LIST nodes.
8344 (free_list): Static function for freeing a list of INSN/EXPR nodes.
8345 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
8346 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
8347 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
8348 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
8349 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
8350 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
8351 (free_INSN_LIST_node): Free an individual INSN_LIST node.
8352 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
8353 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
8354 (remove_dependence, free_pending_lists): Use new global routines.
8355 (flush_pending_lists, sched_analyze_insn): Use new global routines.
8356 (sched_analyze, compute_block_backward_dependences): Use new routines.
8357 (sched_analyze_1, sched_analyze_2): Use new routines.
8358 (schedule_insns): Use new global routines.
8359 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
8361 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
8362 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
8364 * toplev.c (rest_of_compilation): Initialize node cache.
8365 * Makefile.in (OBJS): Add lists.o to list of object files.
8366 (lists.o): Add dependancies.
8368 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
8370 * config/v850/v850.md: Fix compile time warning messages.
8371 * config/v850/v850.c: Fix compile time warning messages.
8372 * config/v850/v850.h: Fix compile time warning messages.
8374 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8376 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
8377 Remove unused prototype for `init_lengths'.
8379 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8381 * calls.c (emit_call_1): Mark parameter `stack_size' with
8383 (expand_call): Initialize variable `insn'.
8384 (emit_library_call): Likewise for variable `high_to_save'.
8385 (emit_library_call_value): Likewise.
8386 (store_one_arg): Likewise for variables `lower_bound' and
8389 * combine.c (try_combine): Likewise for variables `i2_code_number'
8390 and `other_code_number'.
8391 (find_split_point): Likewise for variables `pos', `unsignedp' and
8393 (simplify_if_then_else): Likewise for variables `op' and `c1'.
8394 (simplify_and_const_int): Remove unused variable `width'.
8395 (merge_outer_ops): Likewise.
8397 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
8398 HOST_WIDE_INT' when comparing against one.
8399 (simplify_relational_operation): Likewise.
8400 (cse_insn): Initialize variables `src_eqv_volatile',
8401 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
8403 * final.c (init_final): Constify parameter `filename'.
8404 (final_start_function): Mark parameter `optimize' with
8406 (profile_function): Likewise for parameters `first' and `optimize'.
8407 (output_source_line): Likewise for parameter `file'.
8409 * integrate.c (subst_constants): Cast a value to `size_t' when
8410 comparing against one.
8411 (mark_stores): Initialize variable `mode'. Cast a value to
8412 `size_t' when comparing against one.
8414 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
8416 * loop.c (move_movables): Initialize variable `first'.
8417 (strength_reduce): Likewise for variable `increment'.
8418 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
8419 value to `size_t' when comparing against one.
8420 (load_mems): Initialize variable `end_label'.
8422 * output.h (init_final): Constify parameter.
8424 * reload.c (decompose): Initialize variable `base'.
8426 * reload1.c (reload): Likewise for variable `is_scalar'.
8427 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
8428 (choose_reload_regs): Initialize variable `mode'.
8429 (emit_reload_insns): Likewise for variable `store_insn'.
8430 (reload_cse_noop_set_p): Mark parameter `insn' with
8432 (reload_combine): Initialize variable `set'.
8434 * unroll.c (unroll_loop): Likewise for variable `local_label'.
8435 (copy_loop_body): Cast a value to `size_t' when comparing against
8438 * varasm.c (assemble_variable): Initialize variable `size_tree'.
8439 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
8440 (remove_from_pending_weak_list): Mark parameter `name' with
8443 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8445 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
8448 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
8450 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
8451 (ASM_DECLARE_FUNCTION_NAME): Define.
8452 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
8453 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
8454 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
8455 not already defined.
8457 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8459 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
8460 of n_popped when call/call_value are not defined.
8462 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
8464 * tm.texi: GNU CC -> GCC conversion.
8465 (CC1_SPEC): Indicate it is used for all language front ends.
8467 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
8469 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
8470 NOTE_INSN_EH_REGION_END correctly.
8472 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8473 Jeff Law <law@cygnus.com>
8475 * loop.c (strength_reduce): Automatically unroll loops if the
8476 unrolled loop size is smaller than the rolled loop size.
8478 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8479 and delete comment that code should be rewritten.
8481 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8483 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8486 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8488 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8490 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8491 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8492 (LINK_SPEC): Add -u _main when building executables.
8493 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8494 (ASM_FILE_END): Use the default for ix86-pe.
8495 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8497 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8499 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8500 and ASM_CLOSE_PAREN are empty strings.
8502 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8503 Geoffrey Keating <geoffk@cygnus.com>
8505 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8506 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8507 (unprotoize.o): Ditto.
8508 (test-protoize-simple): Don't define STD_PROTO_DIR.
8509 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8510 changes to make 'test-protoize-simple' pass.
8511 (STD_PROTO_DIR): Remove define.
8512 (STANDARD_EXEC_PREFIX): Supply default define.
8513 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8514 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8515 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8516 (GET_ENV_PATH_LIST): New macro.
8517 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8518 (do_processing): Initialize default_syscalls_dir using new
8519 macros. Use it to initialize syscalls_absolute_filename.
8521 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8523 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8524 B into a register before emit_conditional_move.
8526 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8528 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8529 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8530 multiplicand out of (+ (* a b) (* c d)).
8532 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8533 Richard Henderson <rth@cygnus.com>
8535 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8536 (new_insn_dead_notes): Likewise.
8537 (update_n_sets): Likewise.
8538 (update_flow_info): Move to flow.c, renamed to update_life_info;
8539 extend to handle multiple source insns.
8540 * flow.c: Include resource.h
8541 (unlink_insn_chain): New.
8542 (split_hard_reg_notes): New.
8543 (maybe_add_dead_note): New.
8544 (maybe_add_dead_note_use): New.
8545 (find_insn_with_note): New.
8546 (new_insn_dead_notes): New.
8547 (update_n_sets): New.
8548 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8549 (maybe_remove_dead_notes): New.
8550 (update_life_info): New.
8551 (prepend_reg_notes): New.
8552 (replace_insns): New.
8553 * output.h (update_life_info): Declare.
8554 * recog.c (split_block_insns): Use update_life_info.
8555 * resource.c (find_free_register): Use reg_alloc_order, don't use
8556 fixed regs, make sure the mode is supported, don't use new regs.
8558 * rtl.h (replace_insns): Declare.
8560 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8562 * expr.c (expand_expr): Cope with COND_EXPRs with one
8563 non-returning branch.
8565 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8567 * expr.c (store_expr): Always pass down the target, even when not
8570 1999-08-24 Nick Clifton <nickc@cygnus.com>
8572 * configure.in: Define target_cpu_default for v850 targets.
8573 * configure: Regenerate
8575 * config/v850/v850.h (TARGET_CPU_generic): Define.
8576 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8577 addresses are 4 byte aligned.
8579 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8582 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8584 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8585 (main): Add prototypes.
8587 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8588 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
8589 (write_attr_get): Emit prototypes along with function definition.
8590 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
8591 (write_complex_function): Emit static prototype along with
8592 function definition.
8594 * genemit.c (gen_split): Emit prototypes along with function
8597 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
8598 Likewise for predicates and `insn_operand_predicate'.
8599 (process_template): Emit static prototype along with function
8602 * genrecog.c (make_insn_sequence): Constify a char*. Add
8603 prototypes for get_split_*().
8604 (write_subroutine): Emit prototypes along with function
8607 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8609 * gcse.c (find_avail_set): Follow chains of register-register copies.
8610 Use oprs_not_set_p to guarantee that the returned value can be
8612 (cprop_insn): Don't verify the return value of find_avail_set with
8615 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
8616 (cprop_cc0_jump): New function.
8617 (cprop_insn): Break out new function cprop_jump and use it.
8618 Also use cprop_cc0_jump for machines with CC0.
8619 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
8621 * tree.h (current_function_calls_setjmp,
8622 current_function_calls_longjmp): Delete declarations.
8623 * dsp16xx.c: Include "function.h".
8624 * elxsi.c: Likewise.
8625 * gmicro.c: Likewise.
8626 * h8300.c: Likewise.
8629 * mn10200.c: Likewise.
8630 * mn10300.c: Likewise.
8631 * ns32k.c: Likewise.
8635 * rtl.h (rtx_equal_function_value_matters): Declare.
8636 * toplev.c (rtx_equal_function_value_matters): Don't declare.
8638 * function.c: Likewise.
8639 * emit-rtl.c: Likewise.
8641 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
8643 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
8646 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8648 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
8651 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
8653 * cpp.texi: Add a node documenting macro varargs (copied
8656 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
8658 * cppspec.c: Put a null pointer at the end of the new argv.
8660 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
8662 * configure.in: Remove code to select/de-select the haifa
8663 scheduler. Every scheduled port gets haifa now.
8664 * configure: Rebuilt.
8665 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
8667 * Makefile.in: Corresponding changes.
8669 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8671 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
8672 All callers changed.
8673 (prepare_float_lib_cmp): Likewise.
8674 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
8675 * expr.h (emit_float_lib_cmp): Delete declaration.
8676 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
8677 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
8678 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
8680 (cmptf): Now conditional on TARGET_HARD_QUAD.
8682 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
8684 * resource.c (mark_target_live_regs): Use
8685 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
8687 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8689 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
8691 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
8693 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
8695 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8697 * rtl.h (rtx_format): Constify a char*.
8699 * rtl.c (rtx_format): Likewise.
8700 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
8701 (init_rtl): Use accessor macro, not `rtx_format'.
8703 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
8706 * caller-save.c (mark_referenced_regs): Likewise.
8708 * combine.c (subst, make_compound_operation, known_cond,
8709 gen_rtx_combine, update_table_tick, get_last_value_validate,
8710 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
8712 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
8713 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
8714 count_reg_usage): Likewise.
8716 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
8719 * final.c (leaf_renumber_regs_insn): Likewise.
8721 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
8722 dump_edge_info, count_reg_references): Likewise.
8724 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
8725 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
8728 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
8729 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
8730 add_label_notes): Likewise.
8732 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
8733 clear_struct_flag, count_sub_rtxs, count_alternatives,
8734 compares_alternatives_p, contained_in_p, walk_attr_value,
8735 write_expr_attr_cache): Likewise.
8737 * genconfig.c (walk_insn_part): Likewise.
8739 * genemit.c (max_operand_1, gen_exp): Likewise.
8741 * genextract.c (walk_rtx): Likewise.
8743 * genflags.c (num_operands): Likewise.
8745 * genoutput.c (scan_operands): Likewise.
8747 * genpeep.c (match_rtx): Likewise.
8749 * genrecog.c (add_to_sequence): Likewise.
8751 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
8754 * integrate.c (save_constants, copy_for_inline,
8755 copy_rtx_and_substitute, subst_constants, restore_constants):
8758 * jump.c (mark_jump_label, invert_exp, redirect_exp,
8759 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
8761 * local-alloc.c (contains_replace_regs, memref_referenced_p):
8764 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
8765 add_label_notes, replace_call_address, count_nonfixed_reads,
8766 invariant_p, find_single_use_in_loop, find_mem_givs,
8767 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
8770 * print-rtl.c (reg_names, print_rtx): Likewise.
8772 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
8774 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
8775 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
8776 print_blocks): Likewise.
8778 * regclass.c (fix_register, record_address_regs,
8779 reg_scan_mark_refs): Likewise.
8781 * regmove.c (stable_but_for_p): Likewise.
8783 * reload.c (loc_mentioned_in_p, operands_match_p,
8784 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
8785 copy_replacements, refers_to_regno_for_reload_p,
8786 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
8787 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
8790 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
8791 delete_address_reloads_1, count_occurrences,
8792 reload_cse_mem_conflict_p, reload_combine_note_use,
8793 add_auto_inc_notes): Likewise.
8795 * resource.c (mark_referenced_resources, mark_set_resources):
8798 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
8799 reg_mentioned_p, regs_set_between_p, modified_between_p,
8800 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
8801 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
8802 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
8803 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
8805 * sched.c (sched_analyze_2, attach_deaths): Likewise.
8807 * stupid.c (stupid_mark_refs): Likewise.
8809 * unroll.c (remap_split_bivs): Likewise.
8811 * varasm.c (mark_constants): Likewise.
8813 * a29k/a29k.c (uses_local_reg_p): Likewise.
8815 * alpha/alpha.c (summarize_insn): Likewise.
8817 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
8818 eliminate_lr2ip): Likewise.
8820 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
8822 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
8823 reg_mentioned_in_mem): Likewise.
8825 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
8826 symbolic_reference_mentioned_p): Likewise.
8828 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
8830 * sh/sh.c (regs_used, mark_use): Likewise.
8832 * vax/vax.c (vax_rtx_cost): Likewise.
8834 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8836 * machmode.h (mode_name): Constify a char*.
8838 * rtl.c (mode_name): Likewise.
8840 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
8842 * optabs.c (init_libfuncs): Constify a char*.
8844 * print-tree.c (mode_name): Remove redundant declaration.
8845 (print_node): Use accessor macro, not `mode_name'.
8847 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
8849 (new_spill_reg): Constify a char*.
8851 * tree.c (mode_name): Remove redundant declaration.
8853 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8855 * rtl.c (rtx_name): Constify a char*.
8857 * rtl.h (rtx_name, fix_sched_param): Likewise.
8859 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
8860 (mypr): Use accessor macro, not `rtx_name'.
8862 * genemit.c (print_code): Constify a char*.
8864 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
8866 * genpeep.c (print_code): Constify a char*.
8868 * genrecog.c (print_code): Likewise.
8870 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
8871 end_bb): Add static prototype.
8872 (draw_edge): Constify a char*.
8873 (end_bb): Remove unused parameter.
8875 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
8876 print_block_visualization): Constify a char*.
8878 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
8880 * c-common.c (c_get_alias_set): Update comment.
8882 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8884 * linux.h (LIB_SPEC): Added.
8886 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8888 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
8890 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
8892 * tree.c (expr_check): Fix typo in last change.
8894 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
8896 * rtl.def (NOTE): Change format to "iuu0n".
8897 (ADDR_DIFF_VEC): Change format to "eEee0".
8898 (ADDRESSOF): Change format to "eit".
8900 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
8901 (RTVEC_ELT): Change to match.
8902 (XVECEXP): Use XVEC and RTVEC_ELT.
8903 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
8904 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
8905 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
8906 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
8907 TRAP_CONDITION, TRAP_CODE): Use XEXP.
8908 (INTVAL): Use XWINT.
8909 (ADDRESSOF_DECL): Use XTREE.
8910 (SET_ADDRESSOF_DECL): Delete.
8911 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
8912 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
8913 ifdefed out since 2.6 at least.
8914 (gen_rtvec_vv): Delete prototype.
8916 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
8918 (copy_most_rtx): Handle 't' format letter.
8919 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
8920 (gen_rtvec_vv): Delete function. All callers changed to use
8921 gen_rtvec_v instead.
8922 * print-rtl.c (print_rtx): Move special casing of NOTEs to
8923 the '0' format letter.
8925 * function.c (gen_mem_addressof): Don't use
8926 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
8928 * integrate.c (copy_rtx_and_substitute): Likewise.
8929 Copy 't' slots with XTREE.
8930 (subst_constants): Treat 't' slots like '[swi]' slots.
8931 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
8932 * jump.c (rtx_equal_for_thread_p): Likewise.
8933 * rtlanal.c (rtx_equal_p): Likewise.
8934 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
8935 only four arguments.
8936 * gengenrtl.c (type_from_format): Provide correct types for
8940 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
8941 If a recent gcc is in use (always in stage2 and beyond), use
8942 statement expressions, so we don't make a function call unless
8943 the check fails. Evaluate arguments exactly once.
8944 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
8945 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
8947 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
8948 they evaluate their arguments exactly once, irrespective of
8949 the compiler in use.
8951 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
8952 is used by the currently-enabled check macros. This is:
8953 (tree_check_failed, tree_class_check_failed): For gcc.
8954 (tree_check, tree_class_check, cst_or_constructor_check,
8955 expr_check): For other compilers.
8957 * gencheck.c: Do not define any *_CHECK1 macros.
8959 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
8960 Mark Mitchell <mark@codesourcery.com>
8962 * c-common.c (c_get_alias_set): Fix support for poitners and
8965 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
8967 * alias.c: Include tree.h.
8968 (nonlocal_reference_p, mark_constant_function): New functions.
8969 * flow.c (life_analysis): Call mark_constant_function.
8970 * rtl.h (mark_constant_function): Declare it.
8972 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
8974 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
8975 unrecognisable switches.
8977 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8979 * loop.c (recombine_givs): Set ix field after sorting.
8980 (recombine_givs): Remove bogus index / giv lockstep looping.
8982 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8984 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
8986 (emit_store_flag_force): Use do_compare_rtx_and_jump.
8987 (do_cmp_and_jump): Formatting fixes.
8988 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
8989 do_compare_rtx_and_jump instead of compare_from_rtx.
8990 (do_compare_rtx_and_jump): New function; mostly copied from
8992 (do_jump_for_compare): Delete.
8993 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
8995 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
8996 of compare/do_jump_for_compare pairs.
8997 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
8998 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
8999 compare_from_rtx/do_jump_for_compare pairs.
9000 (do_jump_by_parts_equality): Likewise.
9001 (do_jump_by_parts_equality_rtx): Likewise.
9002 * expr.h (do_compare_rtx_and_jump): Declare.
9003 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9004 that used to be in emit_cmp_insn.
9005 (cmp_available_p): New function.
9006 (prepare_operand): New function.
9007 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9008 to be in emit_cmp_insn.
9009 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9010 parameters to be pointers; don't emit final compare but modify some of
9011 the values pointed to by the args so the caller can perform the
9013 (expand_binop): Call emit_store_flag_force with signed forms of
9015 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9016 emit_jump_insn pair.
9017 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9018 emit_cmp_and_jump_insn_1. Call emit_queue.
9019 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9021 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9022 jump sets cc0 before deleting it.
9023 * integrate.c (expand_inline_function): Likewise.
9024 * unroll.c (unroll_loop): Similar changes in several places.
9025 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9028 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9030 * Makefile.in (insn-recog.o): Update dependencies.
9031 * genrecog.c (main): Make generated file include "function.h".
9033 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9035 * cse.c (cse_insn): Call never_reached_warning when a jump is
9036 changed to be unconditional.
9037 * flags.h: Declare warn_notreached.
9038 * flow.c (delete_block): Call never_reached_warning when
9040 * jump.c (delete_barrier_successors): Call never_reached_warning
9041 when we delete everything after a BARRIER.
9042 (never_reached_warning): New function.
9043 * rtl.h: Declare never_reached_warning.
9044 * toplev.c (warn_notreached): New variable.
9045 (lang_independent_options): Set warn_notreached
9046 when -Wunreachable-code.
9047 (compile_file): We need line numbers for -Wunreachable-code.
9049 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
9051 * haifa-sched.c (insn_unit): Fix typo on out of range test.
9052 * sched.c (insn_unit): Likewise.
9054 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
9056 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
9058 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9060 * flow.c (create_edge_list): Use xmalloc, not malloc.
9062 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
9064 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
9065 C-style comments. Do not lose the character before double slash.
9067 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9069 * basic-block.h (struct edge_list): Stucture to maintain a vector
9071 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
9072 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
9073 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
9074 New function prototypes.
9075 * flow.c (create_edge_list): Function to create an edge list.
9076 (free_edge_list): Discards memory used by an edge list.
9077 (print_edge_list): Debug output showing an edge list.
9078 (verify_edge_list): Internal consistency check for an edge list.
9079 (find_edge_index): Function to find an edge index for a pred and succ.
9081 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
9083 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
9086 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
9088 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
9090 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9092 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9094 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
9096 * toplev.c (rest_of_compilation): Allow machine dependent
9097 reorganisation pass to place information into the RTL dump
9098 file if it so wishes.
9100 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
9102 * explow.c (hard_function_value): Use VOIDmode instead of
9104 * stmt.c (expand_return): Likewise.
9105 * stor-layout.c (get_best_mode): Likewise.
9107 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
9108 emit call instead of emit_insn call.
9110 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9112 * configure.in: Handle --disable/enable-win32-registry.
9113 * install.texi: Document --disable/enable-win32-registry.
9114 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
9115 (WIN32_REGISTRY_KEY): New macro.
9116 * prefix.c: Use to enable/disable win32-specific code.
9117 (lookup_key): Use versioned key.
9118 * configure: Regenerate.
9119 * config.in: Likewise.
9121 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
9123 * cpplib.c (read_line_number): New fn, split out of...
9126 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
9128 tree.c (lang_unsave_expr_now) : New.
9129 (unsave_expr_now): Call lang_unsave_expr_now.
9130 tree.h (lang_unsave_expr_now) : New.
9132 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
9134 * toplev.c (flag_new_exceptions): On by default.
9136 1999-08-13 Michael Meissner <meissner@cygnus.com>
9138 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
9140 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9142 * dwarfout.c (fundamental_type_code): Return FT_boolean for
9143 INTEGER_TYPE with precision==1, it's __java_boolean.
9145 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9147 * global.c (prune_preferences): Move some invariants out of the
9150 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
9152 * configure.in (alpha*-dec-osf*): Add osf5.
9154 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
9156 * configure.in: Rework handling of ARM GNU/Linux slightly.
9157 (arm*-*-linux-gnuoldld): New target.
9158 * configure: Regenerate.
9159 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
9160 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
9161 * config/arm/linux-oldld.h: New file.
9162 * config/arm/linux-elf26.h: Don't include linux-elf.h.
9163 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
9165 * config/arm/linux-elf.h (ASM_SPEC): Define.
9166 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
9167 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
9168 for 26-bit APCS and old linker.
9169 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
9171 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
9172 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
9173 don't define `arm' or `arm_elf'.
9174 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
9175 MULTILIB_DIRNAMES): Define. Fix typo in comment.
9177 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
9179 * rtl.texi: Fix typo.
9181 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
9183 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
9185 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
9187 * extend.texi (C++ Signatures): Remove node.
9188 * invoke.texi: Remove discussion of -fhandle-signatures,
9189 signature, sigof, __signature__, and __sigof__.
9191 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
9193 * Makefile.in (JAVAGC): Removed.
9195 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
9197 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9199 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9201 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9203 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
9205 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
9206 a register that is already known to be a pointer.
9208 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
9210 * fixinc/inclhack.tpl: Only install assert.h conditionally.
9211 * fixinc/inclhack.sh: Regenerated.
9212 * fixinc/fixincl.sh: Regenerated.
9214 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
9216 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
9217 Fix documentation of -ansi flag to describe its C++ behavior.
9218 Remove bogus reference to GCC 2.9.
9220 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
9222 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
9223 note if it is non-NULL.
9225 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9227 * except.h (eh_nesting_info): Add new structure defintion.
9228 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
9229 (reachable_handlers, update_rethrow_references): Add function
9231 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
9232 a rethrow symbol instead of an integer exception region number.
9233 * flow.c (Make_edges): Use new exception nesting routines to determine
9234 which handlers are reachable from a CALL or asynchronous insn.
9235 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
9237 (delete_eh_regions): Update rethrow labels, and don't delete
9238 regions which are the target of a rethrow.
9239 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
9240 avoid overloading the SYMBOL_REF_USED flag.
9241 (rethrow_symbol_map): Use new rethrow_ref field.
9242 (rethrow_used): Use new rethrow_ref field.
9243 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
9244 of an integer. Fix formatting.
9245 (output_exception_table_entry): Use new rethrow_ref field.
9246 (can_throw): Check for EH_REGION_NOTE before deciding
9247 whether a CALL can throw or not.
9248 (scan_region): Call rethrow_used() instead of accessing data structure.
9249 (update_rethrow_references): New function to make sure only regions
9250 which are still targets of a rethrow are flagged as such.
9251 (process_nestinfo): New static function to initialize a handler
9252 list for a specific region.
9253 (init_eh_nesting_info): New function to allocate and initialize
9254 the list of all EH handlers reachable from all regions.
9255 (reachable_handlers): New function to retrieve the list of handlers
9256 reachable from a specific region and insn.
9257 (free_eh_nesting_info): New function to dispose of a list of
9260 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9262 * flow.c (split_edge): Set JUMP_LABEL field.
9263 (commit_one_edge_insertion): Set head correctly for insert_before.
9264 When inserting insns, update insn block numbers if allocated.
9266 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9268 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
9269 retry_incomplete_types): Add static prototype.
9270 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
9271 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
9272 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
9273 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
9274 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
9277 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
9278 dwarf2out_start_source_file, dwarf2out_line): Likewise.
9280 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9282 * output.h (assemble_name): Constify a char*.
9284 * varasm.c (UNIQUE_SECTION, assemble_start_function,
9285 assemble_variable, assemble_name): Likewise.
9287 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
9289 * arm/pe.c (arm_pe_unique_section): Likewise.
9291 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
9293 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
9295 * i386/interix.c (i386_pe_unique_section): Likewise.
9297 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
9299 * i386/winnt.c (i386_pe_unique_section): Likewise.
9301 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9303 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
9305 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
9307 * pa/pa.c (output_call): Likewise.
9309 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
9311 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
9313 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
9316 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
9319 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
9321 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
9322 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
9324 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
9326 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9328 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
9330 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9332 * tree.h (lang_identify): Constify a char*.
9333 (print_error_function): Add extern prototype. Constify a char*.
9335 * c-lang.c (lang_identify): Constify a char*.
9337 * objc/objc-act.c (lang_identify): Constify a char*.
9339 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9341 * genpeep.c (main): Make generated file include "function.h".
9342 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
9344 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9346 * Makefile.in: Update dependencies.
9347 * alias.c: Include "function.h"
9348 * c-decl.c: Likewise.
9349 * caller-save.c: Likewise.
9350 * calls.c: Likewise.
9351 * combine.c: Likewise.
9353 * explow.c: Likewise.
9354 * final.c: Likewise.
9355 * global.c: Likewise.
9356 * graph.c: Likewise.
9357 * local-alloc.c: Likewise.
9359 * optabs.c: Likewise.
9360 * profile.c: Likewise.
9361 * recog.c: Likewise.
9362 * regclass.c: Likewise.
9363 * regmove.c: Likewise.
9364 * reload.c: Likewise.
9365 * reorg.c: Likewise.
9366 * resource.c: Likewise.
9367 * sched.c: Likewise.
9368 * stupid.c: Likewise.
9369 * config/1750a/1750a.c: Likewise.
9370 * config/a29k/a29k.c: Likewise.
9371 * config/arc/arc.c: Likewise.
9372 * config/arm/arm.c: Likewise.
9373 * config/arm/thumb.c: Likewise.
9374 * config/c4x/c4x.c: Likewise.
9375 * config/clipper/clipper.c: Likewise.
9376 * config/convex/convex.c: Likewise.
9377 * config/fx80/fx80.c: Likewise.
9378 * config/i860/i860.c: Likewise.
9379 * config/m68k/m68k.c: Likewise.
9380 * config/m88k/m88k.c: Likewise.
9381 * config/mips/mips.c: Likewise.
9382 * config/pdp11/pdp11.c: Likewise.
9383 * config/pyr/pyr.c: Likewise.
9384 * config/romp/romp.c: Likewise.
9385 * config/sh/sh.c: Likewise.
9386 * config/tahoe/tahoe.c: Likewise.
9387 * config/vax/vax.c: Likewise.
9388 * config/we32k/we32k.c: Likewise.
9389 * config/sparc/sparc.c: Include "function.h".
9390 (mem_min_alignment): Test current_function rather than
9391 regno_pointer_align.
9392 * config/pa/pa.c: Likewise.
9393 (compute_frame_size): Delete declaration of
9394 current_function_outgoing_args_size.
9395 * config/arc/arc.h (current_function_varargs): Delete declaration.
9396 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
9398 * config/i370/i370.h (current_function_outgoing_args_size): Delete
9400 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
9401 current_function_uses_pic_offset_table.
9402 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
9403 of current_function_returns_pointer.
9404 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9405 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9406 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9407 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9408 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9409 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9410 * config/m88k/m88k.c: Include "function.h"
9411 (call_used_regs, current_function_pretend_args_size,
9412 current_function_outgoing_args_size, frame_pointer_needed): Delete
9414 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
9416 * config/mips/mips.h (current_function_calls_alloca): Delete
9418 * config/mn10200/mn10200.h (current_function_needs_context,
9419 rtx_equal_function_value_matters): Delete declarations.
9420 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
9421 flag_pic): Delete declarations.
9422 * config/pa/pa.h (current_function_pretend_args_size,
9423 current_function_decl): Delete declarations.
9424 * config/pa/som.h (current_function_varargs): Delete declaration.
9425 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
9427 * config/pyr/pyr.h (current_function_pretend_args_size,
9428 current_function_args_size, current_function_calls_alloca): Delete
9430 * config/sh/sh.h (current_function_varargs): Delete declaration.
9431 * config/sparc/sparc.h (current_function_outgoing_args_size,
9432 current_function_calls_alloca, current_function_decl): Delete
9434 * config/spur/spur.h (current_function_pretend_args_size,
9435 current_function_calls_alloca): Delete declarations.
9436 * config/v850/v850.c (current_function_outgoing_args_size): Delete
9438 * config/vax/vms.h (current_function_name): Delete declaration.
9439 * gcse.c: Include "function.h".
9440 (current_function_name, current_function_calls_setjmp): Delete
9442 * haifa-sched.c: Include "function.h".
9443 (forced_labels): Delete declaration.
9445 * reg-stack.c: Likewise.
9446 * reload1.c: Likewise.
9447 * genemit.c (main): Make generated file include function.h.
9448 * genoutput.c (output_prologue): Likewise.
9450 * builtins.c (saveregs_value, apply_args_value): Delete variables.
9451 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
9452 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
9453 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
9454 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
9455 macros for some of them.
9456 (emit_filename, emit_lineno): Delete declarations.
9457 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
9458 regno_pointer_* variables through current_function.
9459 (gen_inline_header_rtx): Delete function.
9460 (save_emit_status): Delete function.
9461 (set_new_last_label_num): New function.
9462 (clear_emit_caches): New function.
9463 (restore_emit_status): Just clear last_labelnum and call
9465 (get_last_insn_anywhere): Variable sequence_stack is now accessed
9466 through macro seq_stack.
9467 (add_insn_after): Likewise.
9468 (add_insn_before): Likewise.
9469 (remove_insn): Likewise.
9470 (pop_topmost_sequence): Likewise.
9471 (in_sequence_p): Likewise.
9472 (start_sequence_for_rtl_expr): Likewise.
9473 (start_sequence): Likewise, and likewise for
9474 sequence_rtl_expr/seq_rtl_expr.
9475 (push_topmost_sequence): Likewise.
9476 (end_sequence): Likewise.
9477 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9478 All callers changed. Store into that pointer instead of globals.
9479 (init_emit): Allocate emit elt of current_function.
9480 Changes for sequence_rtl_expr/sequence_stack renaming.
9481 Call clear_emit_caches instead of doing it in-line.
9482 Access regno_pointer_* variables through current_function.
9483 (init_emit_once) Don't clear sequence_stack.
9485 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9487 (arg_pointer_save_area): Delete declaration.
9488 (finish_expr_for_function): Renamed from init_queue; no longer static.
9489 (init_expr): Don't call init_queue.
9490 (save_expr_status, restore_expr_status): Delete functions.
9491 (expand_expr): Changes to reflect new layout of struct function.
9492 Don't access current_function_check_memory_usage when current_function
9494 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9495 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9496 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9497 current_function_uses_const_pool, function_call_count,
9498 current_function_uses_pic_offset_table, nonlocal_labels,
9499 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9500 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9501 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9503 (finish_expr_for_function): Declare.
9504 * flags.h (current_function_has_nonlocal_label,
9505 current_function_has_nonlocal_goto, current_function_is_thunk,
9506 current_function_has_computed_jump): Delete declarations.
9507 * flow.c (forced_labels): Delete declaration.
9508 * function.c (current_function_pops_args,
9509 current_function_returns_struct, current_function_returns_pcc_struct,
9510 current_function_needs_context, current_function_calls_setjmp,
9511 current_function_calls_longjmp, current_function_has_nonlocal_label,
9512 current_function_has_nonlocal_goto, current_function_is_thunk,
9513 current_function_has_computed_jump, current_function_calls_alloca,
9514 current_function_contains_functions, current_function_returns_pointer,
9515 current_function_epilogue_delay_list, current_function_args_size,
9516 current_function_pretend_args_size, current_function_arg_offset_rtx,
9517 current_function_outgoing_args_size, current_function_varargs,
9518 current_function_stdarg, current_function_args_info, cleanup_label,
9519 current_function_name, current_function_uses_const_pool,
9520 current_function_instrument_entry_exit, current_function_return_rtx,
9521 current_function_uses_pic_offset_table, nonlocal_labels,
9522 current_function_internal_arg_pointer, current_function_cannot_inline,
9523 current_function_check_memory_usage, function_call_count,
9524 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9525 nonlocal_goto_stack_level, return_label, save_expr_regs,
9526 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9527 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9528 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9529 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9530 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9532 (push_function_context_to): Don't save them. Don't call
9533 save_storage_status, save_emit_status or save_expr_status.
9534 (pop_function_context_from): Don't restore them. Don't call
9535 restore_storage_status or restore_expr_status.
9536 (get_func_frame_size): New function.
9537 (get_frame_size): Use it.
9538 (assign_outer_stack_local): Reflect some member name changes in struct
9540 (put_reg_into_stack): Likewise.
9541 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9543 (fixup_var_refs): Likewise.
9544 (fix_lexical_addr): Likewise.
9545 (trampoline_address): Likewise.
9546 (prepare_function_start): Clear field inlinable of current_function.
9547 (init_function_for_compilation): New function.
9548 (expand_dummy_function_end): New function.
9549 (expand_function_end): Call finish_expr_for_function.
9550 * function.h (struct emit_status): New; fields moved here from struct
9551 function and from global variables. Add accessor macros for some of
9553 (struct expr_status): Likewise.
9554 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9555 (struct function): Add fields expr and emit, inlinable, inl_emit,
9556 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9557 inl_max_label_num. Add many comments.
9558 Add accessor macros for all elts of struct function that no longer
9559 have a global variable.
9560 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9561 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9562 stack_slot_list): Delete declarations.
9563 (get_func_frame_size): Declare.
9564 (save_expr_status, restore_expr_status, save_emit_status,
9565 save_storage_status, restore_storage_status): Delete declarations.
9566 (init_virtual_regs): Declare.
9567 * output.h (current_function_pops_args,
9568 current_function_returns_struct, current_function_returns_pcc_struct,
9569 current_function_needs_context, current_function_calls_setjmp,
9570 current_function_calls_longjmp, current_function_calls_alloca,
9571 current_function_has_nonlocal_label, current_function_varargs,
9572 current_function_has_computed_jump, current_function_returns_pointer,
9573 current_function_contains_functions, current_function_args_size,
9574 current_function_pretend_args_size, current_function_stdarg,
9575 current_function_outgoing_args_size, current_function_args_info,
9576 current_function_name, current_function_return_rtx,
9577 current_function_epilogue_delay_list,
9578 current_function_uses_const_pool, current_function_cannot_inline):
9579 Delete declarations.
9580 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9581 regno_reg_rtx): Delete declaration.
9582 (REGNO_POINTER_FLAG): Delete macro.
9583 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9584 function were renamed.
9585 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9587 * toplev.c: Include "function.h".
9588 (current_function_decl): Delete declaration.
9589 (compile_file): Call init_dummy_function_start and
9590 expand_dummy_function_end around some initializations that need to
9592 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
9593 Call init_function_for_compilation.
9594 * unroll.c: Include "function.h"
9595 (unroll_loop): Access regno_pointer_* variables through
9598 * tree.h (struct tree_decl): Add elt f to saved_insns member.
9599 (DECL_SAVED_INSNS): use it.
9600 (expand_dummy_function_end): Declare.
9601 (init_function_for_compilation): Declare.
9602 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
9603 that it's no longer an INLINE_HEADER.
9604 (expand_call): Likewise.
9605 * integrate.c (finish_inline): Delete function.
9606 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
9607 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
9608 args. Don't generate an INLINE_HEADER rtx, just return the arg
9609 vector. All callers changed.
9610 (save_for_inline_copying): Create a duplicate struct emit_status to
9611 hold the emit state for compiling the current function. Use this and
9612 the other new fields in struct function that are for integration
9613 instead of an INLINE_HEADER.
9614 Use memcpy instead of bcopy.
9615 Store the current struct function in DECL_SAVED_INSNS of fndecl.
9616 (save_for_inline_nocopy): Similar changes, except no new emit_status
9618 (expand_inline_function): Get information from function structure,
9619 not from an inline header rtx.
9620 (output_inline_function): Lose code to extract the necessary
9621 information from an inline header; simply put back the function
9622 structure into current_function. Clear its inlinable elt.
9623 * rtl.def (INLINE_HEADER): Delete.
9624 * rtl.h: Delete all accessors for an INLINE_HEADER.
9625 (gen_inline_header_rtx): Delete declaration.
9626 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
9627 Delete declarations.
9628 (REGNO_POINTER_ALIGN): Delete.
9629 (clear_emit_caches): Declare.
9630 (set_new_last_label_num): Declare.
9632 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
9634 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
9636 * except.c (expand_eh_region_start_for_decl): Always start a new block.
9637 * stmt.c (is_eh_region): Make sure current_function is present, too.
9639 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
9641 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
9642 for 64bit PA targets.
9644 * pa.h (SELECT_SECTION): Define.
9645 * som.h (SELECT_SECTION): Delete.
9647 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9649 * alias.c (init_alias_analysis): Wrap call to
9650 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
9652 1999-08-07 Bruce Korb <autogen@linuxbox.com>
9654 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
9655 <sys/asm.h> contains an asm comment with an apostrophe
9656 * fixinc/inclhack.sh: regen
9657 * fixinc/fixincl.x: regen
9659 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
9661 * function.c (init_function_start): Clear prologue & epilogue.
9662 (prologue_epilogue_contains): New function.
9663 * alias.c (init_alias_analysis): Use it.
9664 * rtl.h (prologue_epilogue_contains): Declare it.
9666 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
9668 * jump.c (onlyjump_p): New function.
9669 * rtl.h: Declare it.
9670 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
9671 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
9673 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
9675 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
9676 to invert loops. Simplify block scanning.
9678 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9680 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
9681 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
9683 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
9685 * config/sparc/liteelf.h: New file to support sparclite-elf target
9686 * config/sparc/t-sp86x: New file to support sparc86x targets
9687 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
9688 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
9689 * configure.in: Support above target triplets
9690 * configure: Regenerated
9692 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
9694 * fixinc/server.c (server_setup): Do not prefix function used as
9697 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
9699 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
9700 Remove fp reg alternatives.
9702 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
9704 * Makefile.in (TAROUTOPTS): Kill.
9705 (install-headers-tar): Use "xpf" for tar headerfile extraction
9706 * i370/x-oe (TAROUTOPTS): Delete.
9707 * m68k/x-apollo68 (TAROUTOPTS): Delete.
9708 * m68k/x-hp320 (TAROUTOPTS): Delete.
9709 * m68k/x-hp320g (TAROUTOPTS): Delete.
9710 * gcc.texi: Update bug reporting text.
9712 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9714 * reg-stack.c (change_stack) Fixed problem with negative array index.
9716 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
9718 * extend.texi, install.texi: Fix spelling mistakes.
9720 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
9721 (s-attrtab); No longer try to use pre-made insn-attrtab file.
9722 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
9724 * mips/t-ecoff: Likewise.
9725 * mips/t-elf: Likewise.
9726 * mips/t-mips: Likewise.
9727 * mips/t-osfrose: Likewise.
9728 * mips/t-r3900: Likewise.
9729 * mips/t-svr3: Likewise.
9730 * mips/t-svr4: Likewise.
9731 * mips/t-ultrix: Likewise.
9733 * gcc.texi: Document recommend means to provide software floating
9734 point libraries in libgcc.a
9736 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
9738 * c-lex.c (yylex): We can have a number with no digits.
9740 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
9742 * jump.c (delete_prior_computation): New function, broken
9743 out of delete_computation. Check for side effects with
9744 side_effects_p instead of FIND_REG_INC_NOTE. Handle
9745 multi-word hard registers.
9746 (delete_computation): Use it. Check for side effects with
9747 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
9748 missing REG_DEAD note for a register which is both set and
9751 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
9753 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
9754 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
9755 (ASM_FILE_START): Import _mcount with the right type.
9756 (ASM_DECLARE_FUNCTION_NAME): Define.
9757 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
9758 * pa.c (output_function_prologue): Always emit the function's label
9760 * pa.h (TEXT_SPACE_P): Define.
9761 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9762 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
9763 * som.h (TEXT_SPACE_P): Delete.
9764 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9765 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
9767 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
9769 * expr.c (emit_group_load): Allow src to be a CONCAT.
9771 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9773 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
9774 (___mulsi3): Use '!' comment character.
9776 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9778 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
9780 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
9782 * gcc.c: Update URLs and mail addresses.
9783 * gcc.texi: Likewise.
9785 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
9787 * rs6000.c (current_file_function_operand): Return zero for
9789 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
9791 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
9794 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
9796 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
9797 allocate space in the stack frame for the PIC register.
9799 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
9801 * m68k.md (xordi3, anddi3): These patterns are not available on
9804 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
9806 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
9807 (PUT_REAL): Likewise.
9809 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9811 * final.c (shorten_branches): Don't add an alignment for loops
9812 that have no label inside.
9814 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9816 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
9817 prototypes in macro HAVE_cmpstrsi.
9819 * cpplib.c (cpp_get_token): Remove unused label `op3'.
9821 * emit-rtl.c (operand_subword): Remove unused variable
9824 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
9826 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
9828 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
9830 * cpphash.c (macroexpand): Delete leading whitespace when arg
9831 is concatenated before.
9832 (unsafe_chars): Correct test for whether + and - can extend a
9835 * cppinit.c (cpp_start_read): Do dependencies for
9836 -include/-imacros files also.
9838 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
9839 tokenizing non-directive lines.
9840 (cpp_expand_to_buffer): Temporarily disable no-output mode.
9841 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
9844 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9846 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
9848 * c-lex.c: Sync with C++ frontend.
9849 (linemode): New variable.
9850 (parse_float): imag, conversion_errno, and type are output only.
9851 (yylex): Adjust. Move initial '.' case into main switch.
9853 (handle_generic_pragma): Just deal with tokens.
9854 (readescape): Use ISXDIGIT and ISGRAPH.
9855 * c-parse.in: Add END_OF_LINE token.
9857 * c-lex.c (lang_init): Generalize.
9858 (nextchar): Remove. Replace uses with UNGETC.
9859 (skip_white_space): Handle linemode here. Optimize for cpplib.
9860 (skip_white_space_on_line): Remove.
9861 (extend_token_buffer_to): New fn.
9862 (extend_token_buffer): Use it.
9863 (read_line_number, check_newline): Just deal with tokens.
9864 (token_getch, token_put_back): New fns.
9865 (yylex): Use them. More cpplib optimizations. Simplify.
9867 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9868 Jason Merrill <jason@yorick.cygnus.com>
9870 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
9871 (consume_string): Make this smart about USE_CPPLIB.
9872 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
9873 (yylex): Rewrite to be intelligent about USE_CPPLIB.
9874 Also, clean up cases where we redundantly set token_buffer[0].
9875 (read_line_number): New fn.
9876 (ignore_escape_flag): New variable.
9878 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
9880 * a29k/t-a29kbare: Fix some comments.
9881 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
9882 (FPBIT, DPBIT): Define.
9883 * a29k/t-vx29k: Likewise.
9884 * arc/t-arc: Likewise.
9885 * arm/t-arm-elf: Likewise.
9886 * arm/t-bare: Likewise.
9887 * arm/t-pe: Likewise.
9888 * arm/t-pe-thumb: Likewise.
9889 * arm/t-semi: Likewise.
9890 * arm/t-thumb: Likewise.
9891 * arm/t-thumb-elf: Likewise.
9892 * arm/t-thumb-linux: Likewise.
9893 * h8300/t-h8300: Likewise.
9894 * i960/t-i960: Likewise.
9895 * i960/t-vxworks960: Likewise.
9896 * m32r/t-m32r: Likewise.
9897 * mips/t-ecoff: Likewise.
9898 * mips/t-elf: Likewise.
9899 * mips/t-r3900: Likewise.
9900 * pa/t-pro: Likewise.
9901 * rs6000/t-aix43: Likewise.
9902 * rs6000/t-beos: Likewise.
9903 * rs6000/t-newas: Likewise.
9904 * rs6000/t-ppccomm: Likewise.
9905 * rs6000/t-rs6000: Likewise.
9906 * rs6000/t-winnt: Likewise.
9907 * rs6000/t-xnewas: Likewise.
9908 * rs6000/t-xrs6000: Likewise.
9909 * sh/t-sh: Likewise.
9910 * sparc/t-elf: Likewise.
9911 * sparc/t-sparcbare: Likewise.
9912 * sparc/t-sparclite: Likewise.
9913 * sparc/t-splet: Likewise.
9914 * v850/t-v850: Likewise.
9915 * mn10200/t-mn10200: Fix comments.
9916 * mn10300/t-mn10300: Likewise.
9918 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
9919 dummy operand. Allocate a new pseudo for the dummy operand.
9920 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
9922 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
9924 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
9926 * configure: Rebuilt.
9927 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
9929 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
9931 * recog.c (preproces_constraints): Zero recog_op_alt before
9932 processing the constraints.
9934 * arm.c (typedef minipool_node): Renamed from pool_node.
9935 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
9936 (add_minipool_constant): New function.
9937 (dump_minipool): New function.
9938 (find_barrier): Remove special case for getting the insn size of
9939 an insn that references the constant pool.
9940 (minipool_fixup): New structure.
9941 (push_minipool_barrier): New function.
9942 (push_minipool_fix): New function.
9943 (note_invalid_constants): New function.
9944 (add_pool_constant, dump_table, fixit, broken_move): Delete.
9945 (arm_reorg): Rewrite code to fix up the constant pool into a
9946 series of mini-pools embedded in the insn stream.
9947 (arm_output_epilogue): New function, made mainly from the body
9948 of output_func_epilogue.
9949 (output_func_epilogue): Move insn generation part of epilogue code
9950 to arm_output_epilogue.
9951 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
9952 * arm.md (pool_range): New attribute.
9953 (zero_extendqidi2): Add attribute pool_range.
9954 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
9955 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
9956 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
9957 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
9958 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
9959 (epilogue): New expand.
9960 (epilogue_insn): New insn. Call arm_output_epilogue.
9962 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
9963 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
9965 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9967 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9969 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9971 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
9973 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
9975 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
9977 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
9979 * global.c: Fix comment.
9981 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
9983 * gcc.c (access_check): New static function.
9984 (find_a_file): Use it when searching a directory list.
9985 * collect2.c (find_a_file): Don't accept directories found when
9986 searching a directory list.
9988 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
9990 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
9991 function parameters with `&'.
9992 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
9994 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
9996 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
9997 or tidy_fallthru_edge if the last insn in the block is not
9998 an unconditional jump or a simple conditional jump.
10000 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10002 * Makefile.in (c-decl.o): Depends on defaults.h.
10004 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10006 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10008 (CLASS_MAX_NREGS): Likewise.
10010 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10012 * cse.c (cse_insn): Fix dumb thinko in last change.
10014 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10016 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10019 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10021 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10022 test for sizes of passed and declared parameter types.
10024 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10026 * fixincludes: Fix the return type of bsearch, char* -> void*.
10028 * fixinc/inclhack.def: Likewise.
10030 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10032 * invoke.texi (-fdump-translation-unit): New option.
10034 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10036 * expr.h (PROMOTE_PROTOTYPES): Move ...
10037 * defaults.h: ... to here.
10038 * c-decl.c: Include defaults.h instead of expr.h.
10039 * c-typeck.c: Include defaults.h.
10041 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
10043 * toplev.h (errorcount): Declare.
10044 (warningcount): Likewise.
10045 (sorrycount): Likewise.
10046 * c-lex.c (errorcount): Don't declare.
10047 * dwarf2out.c (errorcount): Don't declare.
10049 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
10051 * config/libgloss.h: Add a note discouraging use with ELF.
10052 * configure.in: Don't use libgloss.h for ELF targets.
10053 Always use_collect2 on a.out targets.
10055 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
10057 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
10058 (force_to_mode, case ASHIFTRT): Add shiftrt label.
10060 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10062 * loop.c (strength_reduce): When doing biv->giv conversion, update
10063 reg note of NEXT->insn.
10065 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10067 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
10069 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10071 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
10072 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
10073 Ensure expr.h is included.
10074 * c-typecheck.c (convert_arguments): Ditto.
10076 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
10078 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
10079 * config/convex/convex.h: Ditto.
10080 * config/dsp16xx/dsp16xx.h: Ditto.
10081 * config/fx80/fx80.h: Ditto.
10082 * config/gmicro/gmicro.h: Ditto.
10083 * config/i370/i370.h: Ditto.
10084 * config/i386/i386.h: Ditto.
10085 * config/m32r/m32r.h: Ditto.
10086 * config/m68k/m68k.h: Ditto.
10087 * config/m88k/m88k.h: Ditto.
10088 * config/mips/mips.h: Ditto.
10089 * config/pa/pa.h: Ditto.
10090 * config/pyr/pyr.h: Ditto.
10091 * config/tahoe/tahoe.h: Ditto.
10092 * config/we32k/we32k.h: Ditto.
10094 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
10095 based on arch size.
10097 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
10099 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
10102 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
10104 1999-08-02 Richard Henderson <rth@cygnus.com>
10106 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
10107 for the register spill block.
10108 (m32r_va_arg): New.
10109 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
10110 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
10112 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
10113 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
10114 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
10116 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10118 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
10119 MAX_WCHAR_TYPE defined in sparc.h.
10120 * config/sparc/linuxaout.h: Likewise.
10121 * config/sparc/linux64.h: Likewise.
10122 Also default to -mvis if CPU is UltraSPARC.
10124 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10126 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
10127 (RTX_OK_FOR_OLO10): Likewise.
10128 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
10129 %lo(), allow it in addresses...
10130 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
10131 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
10132 does not make sense.
10133 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
10134 (sparc_output_scratch_registers): New function.
10135 (output_function_prologue, sparc_flat_output_function_prologue): Use
10137 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
10139 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
10140 * configure.in: Add check for .register pseudo-op support in as and
10141 check for offsetable %lo().
10142 * acconfig.h: Add templates for the above checks.
10143 * configure: Regenerate.
10145 1999-08-02 Richard Henderson <rth@cygnus.com>
10147 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
10148 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
10149 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
10151 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10153 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10156 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10158 * config/float-sparc.h: New file.
10159 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
10160 sparc-*-linux-gnu and sparc64-*-linux*.
10162 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10164 * rs6000.c (rs6000_va_list): Type is an array.
10165 (rs6000_va_start): Don't doubly adjust for varargs.
10166 (rs6000_va_arg): Evaluate long long GPR adjustment.
10168 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
10170 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
10171 -maix64 and -maix32.
10172 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
10173 LINK_SPEC): Change appropriately.
10174 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
10175 (u_short_cint_operand): Likewise.
10176 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
10178 * rs6000/t-aix43 (MULTILIB): Change to -m64.
10180 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
10182 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
10184 * rs6000/rs6000.c (num_insns_constant_wide): Correct
10185 for type promotion.
10186 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
10187 (non_add_cint_operand): Likewise.
10188 (logical_operand): Likewise.
10189 (non_logical_cint_operand): Likewise.
10190 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
10191 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
10192 (rs6000_select_rtx_section): Suppress warning.
10193 (small_data_operand): Suppress warning.
10194 (rs6000_got_register): Suppress warning.
10195 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
10196 type, so `J' is generally the wrong constraint for a SImode value;
10198 (andsi3_internal2): Likewise.
10199 (andsi3_internal3): Likewise.
10200 (iorsi3_internal1): Likewise.
10201 (xorsi3_internal1): Likewise.
10203 (movsf_softfloat): Likewise.
10204 (scc insns): Likewise.
10205 (movsi+2): Preserve sign bits of SImode constant.
10206 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
10207 (movdf+1): Sign-extend properly.
10208 (movdi_32+1): Sign-extend properly.
10209 (scc insns): Sign-extend properly.
10211 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
10214 1999-08-02 Richard Henderson <rth@cygnus.com>
10216 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
10217 -mcpu parsing code.
10218 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
10219 * alpha.md (all fp insns): Likewise.
10221 1999-08-02 Nick Clifton <nickc@cygnus.com>
10223 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
10226 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
10228 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
10229 pic_load_label generator directly.
10230 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
10231 No longer a named pattern.
10233 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
10235 * explow.c (force_reg): Call force_operand if X does not
10236 satisfy general_operand.
10238 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
10240 * fix-header.c (main): When testing for CONTINUED, use string
10241 equality, not pointer equality.
10243 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
10245 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
10247 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
10249 * cse.c (cse_insn): Fix loop which deletes insns after a jump
10250 that has become an unconditional jump.
10252 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
10253 (output_function_epilogue): Similarly.
10255 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10257 * tree.h (init_dummy_function_start): Declare.
10259 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10261 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
10262 last_expr_type, last_expr_value, block_start_count, block_stack,
10263 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
10264 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
10265 dynamically in stmt elt of struct function for each function.
10266 (struct nesting): Rename function_call_count elt to n_function_calls,
10267 target_temp_slot_level to block_target_temp_slot_level. All users
10269 (struct stmt_status): New structure definition.
10270 Add many accessor macros for stmt_status elements which previously
10271 were global variables.
10272 (init_stmt_for_function): Allocate stmt elt for current_function.
10273 Reflect that block_start_count was renamed to
10274 current_block_start_count.
10275 (save_stmt_status, restore_stmt_status): Delete functions.
10276 (preserve_subexpressions_p): Don't access loop_stack when outside
10278 (expand_start_bindings): Reflect that block_start_count was renamed to
10279 current_block_start_count.
10280 (expand_fixup): Likewise.
10281 (expand_decl): Don't access block_stack when outside a function.
10282 (expand_decl_cleanup): Likewise.
10283 (expand_dcc_cleanup): Likewise.
10284 (expand_dhc_cleanup): Likewise.
10285 (expand_anon_union_decl): Likewise.
10286 (set_file_and_line_for_stmt): New function.
10287 (in_control_zone_p): New function.
10289 * function.h (struct function): Add new elt stmt.
10290 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
10291 case_stack, nesting_stack, nesting_depth, block_start_count,
10292 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
10293 emit_lineno, goto_fixup_chain.
10294 (save_eh_status, restore_eh_status, save_stmt_status,
10295 restore_stmt_status): Delete declarations.
10296 * function.c (push_function_context_to): Don't call save_stmt_status.
10297 (pop_function_context_to): Don't call restore_stmt_status.
10298 * tree.h (in_control_zone_p): Declare.
10299 * rtl.h (set_file_and_line_for_stmt): Declare.
10301 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
10302 call set_file_and_line_for_stmt.
10304 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
10306 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
10307 Also update copyright.
10309 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10311 * c-pragma.c: Don't include "except.h".
10312 * emit-rtl.c: Likewise.
10313 * stor-layout.c: Likewise.
10314 * tree.c: Likewise.
10315 * varasm.c: Likewise.
10317 * flow.c: Include "function.h".
10318 * tree.h (init_dummy_function_start): Declare new function.
10320 * except.h (struct eh_status): New structure.
10321 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
10323 (eh_return_stub_label, ehstack, catchstack, ehqueue,
10324 catch_clauses, false_label_stack, caught_return_label_stack,
10325 protect_list, current_function_ehc): Add accessor macros for the
10326 corresponding fields in current_function->eh; delete declarations
10327 for all items that used to be declared here.
10328 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
10329 catch_clauses, false_label_stack, caught_return_label_stack,
10330 protect_list, current_function_ehc): Delete variables.
10331 (init_eh_for_function): Allocate current_function->eh.
10332 (save_eh_status, restore_eh_status): Delete functions.
10334 * function.h (struct function): Add fields next_global and eh.
10335 Delete all exception handling related fields.
10336 * function.c (current_function): New variable.
10337 (all_functions): New variable.
10338 (push_function_context_to): Don't allocate a struct function,
10339 use current_function instead. Call init_dummy_function_start when
10340 outside a function. Clear current_function before returning.
10341 (pop_function_context_from): Restore current_function.
10342 Don't free the restored struct function.
10343 (prepare_function_start): New function.
10344 (init_dummy_function_start): New function.
10345 (init_function_start): Break out some code into prepare_function_start
10348 * stmt.c (save_stmt_status): Don't call save_eh_status.
10349 (restore_stmt_status): Don't call restore_eh_status.
10351 * Makefile.in: Update dependencies.
10353 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
10355 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
10356 of depending on a magic constant value. Update comments.
10357 (hppa_expand_prologue): Similarly.
10359 * pa.md (reload_indi, reload_outdi): Allow any register for the
10360 original reload register.
10362 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
10364 * cccp.c (print_help): Change marcos to macros.
10366 1999-07-30 Richard Henderson <rth@cygnus.com>
10368 * c-typeck.c (initializer_constant_valid_p): Move ...
10369 * c-common.c (initializer_constant_valid_p): ... here. Use
10370 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
10371 of label addresses.
10372 * c-common.h (initializer_constant_valid_p): Declare.
10373 * c-tree.h (initializer_constant_valid_p): Remove.
10375 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
10377 * config/i386/sol2-c1.asm: Align the stack.
10378 * config/i386/sol2-gc1.asm: Likewise.
10380 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
10382 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
10383 -Asparclite for sparc86x.
10384 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
10386 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
10388 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
10390 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
10391 the user if using the non-default arch size in BI_ARCH configuration.
10392 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
10394 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
10395 Fix patterns so that they actually match.
10396 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
10397 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
10398 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
10400 (mulsidi3): Reflect this in the expand.
10401 (smulsi3_highpart): Only on TARGET_ARCH32.
10402 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
10403 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
10404 (umulsidi3): Reflect this in the expand.
10405 (umulsi3_highpart): Only on TARGET_ARCH32.
10406 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
10407 don't require g0 to be zero.
10408 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
10409 ({,u}divsi3): New expands.
10410 ({,u}divsi3_sp64): New patterns.
10411 (after lshrdi3_v8plus): Four new patterns to help combiner
10412 optimizing nested mixed mode shifts.
10414 * config/sparc/sparc.c (sparc_override_options): Use deprecated
10415 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
10416 speed things up. Don't use them by default on plain v9 in 64bit
10417 mode, according to what SPAMv9 sais.
10419 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
10420 top 32 bits of %[og][0-7] in signal handlers.
10421 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
10423 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
10425 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
10426 (ashlsi3): Corresponding changes.
10428 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
10430 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
10432 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
10434 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10436 * arm.h (Hint): Delete macro.
10437 Substitute HOST_WIDE_INT for Hint in some prototypes.
10438 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
10440 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
10442 * builtins.c (expand_builtin_setjmp): Use force_operand to
10443 make sure that the buffer address is in a suitable form to be
10444 passed to force_reg.
10446 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
10448 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
10451 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
10453 * pa.md (indirect_jump): Remove mode from match_operand. Verify
10454 proper mode in the condition string.
10455 (icacheflush, dcacheflush): Remove modes from match_operands.
10457 * pa.c (emit_move_sequence): Always convert scratch_reg to the
10458 proper mode before using it.
10460 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
10463 * pa.c (store_reg): Do not call add_high_const generator directly.
10464 (load_reg, set_reg_plus_d): Likewise.
10465 * pa.md (add_high_const): No longer a named pattern.
10467 * pa.c (legitimize_address): Consistently use Pmode rather than
10468 SImode. Do not call gen_pic2_highpart directly anymore.
10469 * pa.md (pic2_highpart): No longer a named pattern.
10470 (pic2_lo_sum): Similarly. Reformat to make more readable.
10472 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10477 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10479 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10481 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10483 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10484 and tag the spill mems.
10485 (hppa_va_start): New.
10486 (hppa_va_arg): New.
10487 * pa.h (EXPAND_BUILTIN_VA_START): New.
10488 (EXPAND_BUILTIN_VA_ARG): New.
10490 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10492 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10493 and tag the spill mems.
10494 (mn10300_va_start): New.
10495 (mn10300_va_arg): New.
10496 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10497 (EXPAND_BUILTIN_VA_ARG): New.
10499 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10501 * mn10200.c (mn10200_va_arg): New.
10502 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10504 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10506 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10507 rather than play with TREE_INT_CST_LOW.
10509 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10511 * config/arm/telf.h: Include dbxelf.h.
10512 (CPP_PREDEFINES): Only define if not already defined.
10513 (ASM_IDENTIFY_GCC): Likewise.
10514 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10515 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10516 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10518 (DBX_DEBUGGING_INFO): Don't define.
10519 * config/arm/linux-telf.h: New file.
10520 * config/arm/linux-tgas.h: New file.
10521 * config/arm/t-thumb-linux: New file.
10522 * config/arm/uclinux-elf.h: New file.
10523 * config/arm/uclinux-telf.h: New file.
10524 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10525 thumb-*-uclinux): New targets.
10526 * configure: Regenerate.
10528 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10530 * pa.md (post_store, pre_load): New expanders.
10531 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10532 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10533 need to directly generate RTL for them.
10534 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10537 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10539 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10540 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10541 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10542 (secndary_reload_class): Make TARGET_ELF conditional compile.
10543 (print_operand_address): Similar.
10544 (output_toc): Print all values as hex.
10545 (get_issue_rate): Rearrange and add RS64A and PPC630.
10546 * rs6000.h (processor_type): Add RS64A and PPC630.
10547 (PROCESSOR_POWERPC64): New.
10548 (PROMOTE_MODE): Use word_mode.
10549 (RTX_COSTS): Add RS64A and PPC630.
10550 * rs6000.md (scheduling information): Add lmul and ldiv
10551 representing 64-bit integer multiply and divide. Add rs64a and
10552 PPC630 information.
10553 (ashldi3): Add support for "rldic" instruction.
10554 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10556 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10558 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10559 instead of V8 for sparclite86x in cpu_table.
10561 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10563 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10564 output_file_directive.
10566 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10568 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10569 tree for op1, not the rtl.
10571 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10573 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10574 to m88k_va_start, leaving only the register spill.
10575 (m88k_build_va_list): New.
10576 (m88k_va_start): New.
10577 (m88k_va_arg): New.
10578 * m88k.h (BUILD_VA_LIST_TYPE): New.
10579 (EXPAND_BUILTIN_VA_START): New.
10580 (EXPAND_BUILTIN_VA_ARG): New.
10582 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10584 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10585 Rename from expand_builtin_saveregs.
10586 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10588 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
10590 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
10591 for the register spill block.
10592 (i960_build_va_list): New.
10593 (i960_va_start): New.
10594 (i960_va_arg): New.
10595 * i960.h (BUILD_VA_LIST_TYPE): New.
10596 (EXPAND_BUILTIN_VA_START): New.
10597 (EXPAND_BUILTIN_VA_ARG): New.
10598 * i960.md (store_multiple): Use change_address on individul mems.
10600 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
10602 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
10604 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
10605 (expand_builtin_va_end): Evaluate arg for side effects.
10606 * c-common.c (c_common_nodes_and_builtins): Construct a
10607 va_list_arg_type_node to handle array decomposition to pointer.
10609 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
10611 * except.c (start_dynamic_cleanup): Use force_operand on the
10614 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
10616 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
10617 * c4x.c (c4x_va_arg): New.
10619 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
10621 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
10622 has manual_pop set.
10624 1999-07-26 Nathan Sidwell <nathan@acm.org>
10626 * eh-common.h (__eh_matcher): Prototype correctly.
10628 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
10630 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
10631 (TARGET_SINGLE_PIC_BASE): Likewise.
10632 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
10634 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
10635 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
10636 (TARGET_OPTIONS): Add -mpic-register=N.
10637 (OUTPUT_INT_ADDR_CONST): New macro.
10638 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
10639 LEGITIMATE_PIC_OPERAND_P): Likewise.
10640 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
10641 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
10642 output_addr_const directly.
10643 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
10645 (thumb_pic_register, thumb_pic_register_string): Declare.
10647 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
10649 (label_mentioned_p): New function: Imported from arm.c.
10650 (legitimize_pic_address): New function: Imported from arm.c.
10651 (is_pic):New function: Imported from arm.c.
10652 (thumb_finalize_pic):New function: Imported from arm.c.
10653 (add_constant): Cope with PIC constants.
10654 (fixit): Cope with PIC constants.
10655 (output_return): Do not treat the PIC register as live if
10656 TARGET_SINGLE_PIC_BASE is true.
10657 (thumb_function_prologue): Do not treat the PIC register as live if
10658 TARGET_SINGLE_PIC_BASE is true.
10659 (thumb_expand_prologue): Do not treat the PIC register as live if
10660 TARGET_SINGLE_PIC_BASE is true.
10661 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
10662 TARGET_SINGLE_PIC_BASE is true.
10663 (thumb_print_operand): Accept '|'.
10664 (thumb_override_options): Process PIC options.
10666 * config/arm/thumb.md (movsi): Support PIC.
10667 (call_insn): Change "i" constraint to "X".
10668 (call_value_insn): Likewise.
10669 (consttable_4, consttable_8, consttable_end): Set and clear
10670 "making_const_table" as appropriate.
10671 (pic_load_addr, pic_add_dot_plus_four): New insns.
10673 * invoke.texi (Thumb Options): Fix spelling. Document new
10674 options -msingle-pic-base and -mpic-register=.
10676 1999-07-26 Andrew Haley <aph@cygnus.com>
10678 * config/m32r/initfini.c (__init): Use a full word immediate for
10679 __fini: this allows it to be placed in any memory region.
10681 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
10682 -mmodel=medium. This is OK for all memory models.
10684 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
10686 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
10687 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
10689 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
10691 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
10694 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
10696 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
10698 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
10699 (BUILD_VA_LIST_TYPE): New.
10700 (EXPAND_BUILTIN_VA_START): New.
10701 (EXPAND_BUILTIN_VA_ARG): New.
10702 * i860.c (output_delayed_branch): Disable.
10703 (output_delay_insn): Likewise.
10704 (i860_saveregs): New.
10705 (i860_build_va_list): New.
10706 (i860_va_start): New.
10707 (i860_va_arg): New.
10708 * i860.md: Disable all peepholes using output_delayed_branch.
10709 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
10711 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
10713 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
10714 (BUILD_VA_LIST_TYPE): New.
10715 (EXPAND_BUILTIN_VA_START): New.
10716 (EXPAND_BUILTIN_VA_ARG): New.
10717 * clipper.c (clipper_builtin_saveregs): Only dump registers.
10718 Return the address of the save area.
10719 (clipper_build_va_list): New.
10720 (clipper_va_start): New.
10721 (clipper_va_arg): New.
10723 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
10725 * arc.h (EXPAND_BUILTIN_VA_START): New.
10726 (EXPAND_BUILTIN_VA_ARG): New.
10727 * arc.c (arc_setup_incoming_varargs): Set alias set of
10729 (arc_va_start): New.
10732 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
10734 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
10735 (BUILD_VA_LIST_TYPE): New.
10736 (EXPAND_BUILTIN_VA_START): New.
10737 (EXPAND_BUILTIN_VA_ARG): New.
10738 * alpha.c (alpha_builtin_saveregs): Delete.
10739 (alpha_build_va_list): New.
10740 (alpha_va_start): New.
10741 (alpha_va_arg): New.
10743 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
10745 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
10747 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
10748 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
10750 * gcc.texi: More changes related to list conversion.
10751 * invoke.texi: Likewise.
10753 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
10755 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
10756 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
10757 (expand_builtin_next_arg): Accept ARGLIST not EXP.
10758 (stabilize_va_list): New function.
10759 (std_expand_builtin_va_start): New function.
10760 (expand_builtin_va_start): New function.
10761 (get_varargs_alias_set): New function.
10762 (std_expand_builtin_va_arg): New function.
10763 (expand_builtin_va_arg): New function.
10764 (expand_builtin_va_end): New function.
10765 (expand_builtin_va_copy): New function.
10766 (expand_builtin): Call them.
10767 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
10768 __builtin_{varargs_start,stdarg_start,end,copy}.
10769 (build_va_arg): New function.
10770 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
10771 (build_va_arg): Declare.
10772 * c-decl.c (ptr_type_node, va_list_type_node): New.
10773 * c-parse.gperf (__builtin_va_arg): New.
10774 * c-parse.in (VA_ARG): New token.
10775 (unary_expr): Recognize it.
10776 * expr.c (expand_expr): Expand VA_ARG_EXPR.
10777 * expr.h (std_expand_builtin_va_start): Declare.
10778 (std_expand_builtin_va_arg): Declare.
10779 (expand_builtin_va_arg): Declare.
10780 (get_varargs_alias_set): Declare.
10781 * tree.def (VA_ARG_EXPR): New.
10782 * tree.h (BUILT_IN_VARARGS_START): New.
10783 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
10784 (ptr_type_node, va_list_type_node): Declare.
10785 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
10786 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
10787 * m88k.h, m88k.c: Likewise.
10788 * mn10300.h, mn10300.c: Likewise.
10789 * pa.h, pa.c: Likewise.
10790 * rs6000.h, rs6000.c: Likewise.
10791 * sh.h, sh.c: Likewise.
10792 * sparc.h, sparc.c: Likewise.
10794 * emit-rtl.c (operand_subword): Copy alias set.
10795 (change_address): Likewise.
10797 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
10799 * pa.c (compute_frame_size): Scan all the used callee saved registers,
10800 not just the first one.
10802 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
10804 * config/arm/arm.h (TARGET_SWITCHES): Add
10805 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
10806 (TARGET_OPTIONS): Add -mpic-register=.
10807 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
10808 (arm_pic_register_string): Declare.
10809 (NEED_PLT_GOT): Delete, replace with ...
10810 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
10811 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
10812 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
10813 * config/arm/arm.c (arm_override_options): Add new option
10815 (arm_pic_register_string): New variable.
10816 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
10817 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
10818 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
10819 (output_return_instruction): Likewise.
10820 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
10821 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
10822 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
10824 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
10825 mention of -msched-prolog. Document new options -msingle-pic-base
10826 and -mpic-register=.
10828 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
10830 * haifa-sched.c (reemit_notes): Tidy.
10831 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
10834 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
10836 * explow.c (trunc_int_for_mode): New function.
10837 (plus_constant_wide): Use it.
10838 * combine.c (simplify_and_const_int): Likewise.
10839 (merge_outer_ops): Likewise.
10840 (simplify_shift_const): Likewise.
10841 * cse.c (simplify_unary_operation): Likewise.
10842 (simplify_binary_operation): Likewise.
10843 * emit-rtl.c (operand_subword): Likewise.
10844 * rtl.h: Declare it.
10846 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10848 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
10849 (use NUM_REGS instead of NUM_INTS).
10851 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10853 * builtins.c: New file.
10854 * expr.c (saveregs_value, apply_args_value): Delete definition,
10855 moved into builtins.c.
10856 (string_constant): No longer static.
10857 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
10858 apply_args_size, apply_result_size, result_vector,
10859 expand_builtin_apply_args, expand_builtin_apply,
10860 expand_builtin_return): Delete functions, moved into builtins.c.
10861 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
10862 * expr.h (saveregs_value, apply_args_value): Declare variables.
10863 (expand_builtin, string_constant): Declare functions.
10864 * Makefile.in: Update to build builtin.o.
10866 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10868 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
10869 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
10870 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
10871 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
10873 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
10876 1999-07-21 Michael Meissner <meissner@cygnus.com>
10878 * print-rtl.c (print_rtx): Print the names of the virtual
10881 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
10883 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
10884 introduced in previous delta.
10886 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10888 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
10889 to avoid name clash.
10891 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
10893 * c-lex.c (yylex) : Correct the test for overflow when lexing
10896 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
10898 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
10899 (adjust_priority): Always call ADJUST_PRIORITY.
10900 (schedule_insn): Only put insns into the ready at cost 0.
10901 (schedule_block): Remove redundant initial sort. Give clock_var
10902 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
10904 * tm.texi (MD_SCHED_REORDER): Update docs.
10906 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
10907 * sparc.c (ultra_reorder_called_this_block): Delete.
10908 (ultrasparc_sched_init): Don't set it.
10909 (ultrasparc_sched_reorder): Don't check it.
10911 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
10913 * rs6000.h (struct rs6000_args): Add sysv_gregno.
10914 * rs6000.c (init_cumulative_args): Init sysv_gregno.
10915 (function_arg_boundary): Align DFmode.
10916 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
10917 to get fp reg and stack overflow correct.
10918 (function_arg): Likewise.
10919 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
10920 (setup_incoming_varargs): Restructure for ABI_V4; use
10921 function_arg_advance to skip final named argument.
10922 (expand_builtin_saveregs): Properly unskip the last integer arg
10923 when doing varargs. Adjust overflow location calculation.
10925 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
10926 explicitly unsigned.
10927 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
10928 (__VA_GP_REGSAVE): Similarly.
10929 (__va_longlong_p): Delete.
10930 (__va_arg_type_violation): New declaration.
10931 (va_arg): Restructure. Flag promotion errors. Align double.
10932 TFmode passed by reference.
10934 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
10935 in the HOST_BITS_PER_WIDE_INT > 32 case.
10937 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
10939 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
10941 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
10943 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
10944 * toplev.c (documented_lang_options): Add -fpreprocessed.
10945 * cpplib.h (struct cpp_buffer): Add preprocessed.
10946 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
10947 (cpp_start_read): Don't expand macros or emit an initial #line
10948 directive if -fpreprocessed.
10950 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10952 * cpplib.h (struct cpp_buffer): Added manual_pop for
10953 better C++ tokenization.
10954 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
10955 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
10956 * c-common.c (cpp_token): Make non-static.
10958 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10960 * c-common.h: New file.
10961 * c-common.c (permanent_obstack): Delete unused declaration.
10962 (c_global_trees): New array.
10963 (c_common_nodes_and_builtins): New function; split off common code
10964 from init_decl_processing in both c-decl.c and cp/decl.c.
10965 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
10966 c_global_trees and accessor macros defined in c-common.h.
10967 Include c-common.h.
10968 * c-decl.c: Delete definitions for tree nodes that were replaced by
10970 (init_decl_processing): Build void_list_node.
10971 Call c_common_nodes_and_builtins; delete code to generate the common
10973 * objc/objc-act.c (build_module_descriptor): Rename variable
10974 void_list_node to avoid clash with c-common.h.
10976 * Makefile.in: Update dependencies.
10977 * objc/Make-lang.in: Likewise.
10979 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
10981 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
10982 (UNIQUE_SECTION_P): Likewise.
10983 (UNIQUE_SECTION): Likewise.
10985 1999-07-19 Linas Vepstas <linas@linas.org>
10987 * config/i370/README: New file.
10988 * config/i370/linux.h: New file.
10989 * config/i370/mvs.h: New file.
10990 * config/i370/oe.h: New file.
10991 * config/i370/t-linux: New file.
10992 * config/i370/t-mvs: New file.
10993 * config/i370/t-oe: New file.
10994 * config/i370/x-oe: New file.
10995 * config/i370/xm-linux.h: New file.
10996 * config/i370/xm-mvs.h: New file.
10997 * config/i370/xm-oe.h: New file.
10999 * i370.c (label_node_t): Add first_ref_page, label_addr,
11000 label_first_ref, label_last_ref members.
11001 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11002 (MAX_MVS_LABEL_SIZE): Define.
11003 (MAX_LONG_LABEL_SIZE): Define.
11004 (alias_node_t, alias_anchor, alias_number): New.
11005 (mvs_function_table): Reorder for EBCDIC.
11006 (ascebc, ebcasc): Unconditionally define.
11007 (i370_branch_dest, i370_branch_length): New functions.
11008 (i370_short_branch, i370_label_scan): New functions.
11009 (mvs_get_label): Renamed from mvs_add_label. Search for
11010 an existing label before creating a new one.
11011 (mvs_add_label): New function.
11012 (mvs_get_label_page): New function.
11013 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11014 over the entire list.
11015 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11016 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11017 (mvs_add_alias, mvs_need_alias): New functions.
11018 (mvs_get_alias, mvs_check_alias): New functions.
11019 (handle_pragma): New function.
11020 (mvs_function_check): New function.
11021 (unsigned_jump_follows_p): Search harder.
11022 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11023 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11024 * i370.h (TARGET_VERSION): Delete.
11025 (CPP_SPEC, CPP_PREDEFINES): Delete.
11026 (mvs_label_emitted): Delete.
11027 (TARGET_EBCDIC): Delete.
11028 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11029 (HANDLE_PRAGMA): Define.
11030 (HARD_REGNO_NREGS): Handle complex modes.
11031 (HARD_REGNO_MODE_OK): Likewise.
11032 (CLASS_MAX_NREGS): Likewise.
11033 (RET_REG): Likewise.
11034 (EXTRA_CONSTRAINT): Define.
11035 (RETURN_IN_MEMORY): True for DImode.
11036 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11037 (FUNCTION_PROFILER): Delete.
11038 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11039 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11040 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
11041 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
11042 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
11043 (ASM_FILE_START): Add "RMODE ANY".
11044 (ASM_OUTPUT_EXTERNAL): Check for aliases.
11045 (ASM_GLOBALIZE_LABEL): Likewise.
11046 (ASM_OUTPUT_LABELREF): Likewise.
11047 (ASM_OUTPUT_COMMON): Likewise.
11048 (PRINT_OPERAND): Handle 'K', 'W', default.
11049 (PRINT_OPERAND_ADDRESS): New.
11050 (Lots of defines): Add support for TARGET_ELF_ABI.
11051 * i370.md (attr length): New. Define for all patterns.
11052 (*): Lots of tweeks to assembly output and constraints.
11054 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
11056 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
11057 Disable patterns performing SImode comparisons with SImode values
11058 if TARGET_POWERPC64 and instruction does not sign-extend or does
11059 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
11060 differ for signed quantities.
11061 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
11062 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
11063 (decrement_and_branch_on_count): Add 64-bit variant.
11065 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11067 * final.c (output_asm_insn): When searching for the matching string
11068 for a given dialect, don't run past the end of the list of
11069 alternatives if there are fewer alternatives in the template than
11072 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
11074 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
11075 Removed paragraph about compression of files and size limitation,
11076 duplicated in the FAQ. Use gcc-patches for posting patches.
11077 * gcc.c (main): Updated URL with bug reporting instructions to
11078 gcc.gnu.org. Removed e-mail address.
11079 * system.h (abort): Likewise.
11081 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11083 * Makefile.in (stmp-multilib-sub): Make the files extracted
11084 from $(LIBGCC1) writable.
11086 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
11088 * config/arm/aout.h: Reformat for improved readability.
11090 * config/arm/arm.h: Reformat for improved readability.
11091 Replace uses of fprintf with asm_fprintf where appropriate.
11092 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
11093 function declaration assembler actions.
11094 (NUM_INTS): New macro: Convert from bytes to words.
11095 (NUM_REGS): New macro: Compute number of registers required to
11096 hold a quanitity of tyep MODE.
11097 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
11099 (NUM_ARG_REGS): New macro: The number of argument registers
11101 (ARG_REGISTER): New macro: Compute the register number of the Nth
11103 (LAST_ARG_REGNUM): New macro: The number of the last argument
11105 (SP_REGNUM): New macro: Register number of the stack pointer.
11106 (FP_REGNUM): New macro: Register number of the frame pointer.
11107 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
11108 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
11109 CUMULATIVE_ARGS so that it counts registers not bytes.
11111 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
11113 Replace uses of fprintf with asm_fprintf where appropriate.
11114 (output_ascii_pseudo_op): Replace with version from thumb.c
11116 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
11118 * config/arm/elf.h (CPP_PREDEFINES): Replace with
11119 SUBTARGET_CPP_SPEC.
11120 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
11121 (ASM_FILE_START): Emit ASM_APP_OFF.
11123 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
11125 * pa.c (compute_frame_size): Round frame according to
11126 STACK_BOUNDARY rather than a hardwired value.
11128 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
11130 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
11132 * configure: Rebuilt.
11134 * configure.in (hppa*-*-linux*): New configuration.
11135 * configure: Rebuilt.
11136 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
11137 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
11138 * pa/pa-linux.h: New file.
11139 * pa/t-linux: New file.
11140 * pa/xm-linux.h: New file.
11142 * pa.c (hppa_legitimize_address): Change references from SImode to
11143 either Pmode or word_mode as appropriate.
11144 (emit_move_sequence, store_reg, load_reg): Likewise.
11145 (set_reg_plus_d, hppa_expand_prologue): Likewise.
11146 (output_mul_insn): Likewise.
11147 * pa.h (PROMOTE_MODE): Likewise.
11148 (INITIALZE_TRAMPOLINE): Likewise.
11149 (Pmode): Define to word_mode.
11151 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
11152 value of 4. Allocate 8 bytes for each FP register save.
11153 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
11155 (hppa_expand_prologue): Likewise.
11156 * pa.h (PROMOTE_MODE): Likewise.
11157 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
11158 (FUNCTION_ARG_BOUNDARY): Likewise.
11160 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
11162 * pa.c (out_of_line_prologue_epilogue): Delete.
11163 (override_options): Remove -mspace related code.
11164 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11165 (compute_frame_size): Only allocate space for register that
11166 actually need to be saved.
11167 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
11168 (TARGET_SWITCHES): Remove -mspace, -mno-space
11169 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
11170 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
11171 * pa/ee.asm, pa/ee_fp.asm: Delete.
11173 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
11175 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
11176 directive in column zero.
11178 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
11180 * m68k.c (output_function_prologue): Fix computation of save mask
11181 when generating PIC code.
11183 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
11185 * tree.c (build_type_attribute_variant): Move current_obstack restore
11186 after build_qualified_type call.
11188 1999-07-15 Mark Mitchell <mark@codesourcery.com>
11190 * configure.in: Use t-iris6, even with GNU LD.
11191 * config/mips/iris6gld.h: Fix typo in linker spec.
11192 * config/mips/t-iris6gld: Remove.
11194 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
11196 * rs6000.md (insv, extzv): Remove SImode dependence in named
11197 patterns. Explicitly generate DImode RTL if PowerPC64 and
11199 (insvdi): Reverse start and size in instruction template.
11201 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
11203 * invoke.texi: Typo fixes.
11205 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
11207 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
11208 handle at this time instead of silently generating incorrect code.
11209 (gen_imagpart): Likewise.
11211 * reload.c (find_reloads): Emit a USE for a pseudo register without
11212 a hard register if we could not create an optional reload for the
11215 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11217 * c-typeck.c (output_init_element, process_init_element):
11218 When advancing constructor_unfilled_fields for a RECORD_TYPE,
11219 check for nameless bit fields.
11221 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
11223 * regclass.c (scan_one_insn): Notice subregs that change the
11224 size of their operand.
11225 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
11227 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
11229 * configure.in (alpha*-*-*): Include alpha/t-ieee.
11230 * configure: Rebuilt.
11231 * alpha/t-ieee: New file.
11233 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
11235 * rs6000.c (find_addr_reg): Do not select r0 as an address
11238 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
11240 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
11242 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
11244 * rs6000.md (movsf): Do not force easy FP constants into memory.
11246 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
11247 immed_double_const to ensure they are properly truncated then
11250 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11252 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
11253 always unless NO_DEBUG is used. Compile this code
11255 (replace_symbols_in_block): Compile it unconditionally.
11257 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
11259 * configure.in (i?86-*-elf*): New target.
11260 * configure: Rebuilt.
11261 * i386/i386elf.h, i386/t-i386elf: New files.
11263 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11265 * toplev.c (main): Don't complain about saying -gdwarf.
11266 (rest_of_compilation): Remove redundant code.
11268 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
11270 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
11272 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
11274 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
11275 "Li960R:", to avoid name clash.
11277 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11279 * loop.c (check_dbra_loop): When reversing a loop, delete all
11280 REG_EQUAL notes referencing the reversed biv except those which are
11281 for a giv based on it.
11283 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
11285 * version.c: Drop "gcc-" prefix from version #.
11287 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
11289 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
11290 the label if we're being verbose.
11292 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
11294 * m68k.c (output_function_prologue): Add pic register to mask
11295 if live and flag_pic.
11296 (output_function_epilogue): Likewise.
11298 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
11300 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
11301 directives in column zero.
11303 * pa/elf.h (ASM_FILE_START): Define.
11304 * pa/som.h (ASM_FILE_START): Include .level directives.
11305 * pa/hpux10.h (ASM_FILE_START): Delete.
11306 * pa/hpux11.h (ASM_FILE_START): Delete.
11308 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
11310 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11312 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
11313 when reload_out equals reload_in.
11315 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
11317 * invoke.texi (Spec Files): New node: Describe the contents of
11320 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
11322 * invoke.texi (DEC Alpha Options): Put @end table at
11323 beginning of line, to avoid confusing texi2html.
11325 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
11327 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
11328 introduced in previous delta.
11330 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11332 * reload1.c (gen_reload): When synthesizing a 3 operand add
11333 sequence, improve test for when to reload OP1 into the reload
11334 register instead of OP0.
11336 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
11338 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
11340 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
11342 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
11345 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
11347 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
11348 (va_dcl): Use __builtin_va_alist_t.
11350 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
11352 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
11353 on the permanent_obstack.
11354 * dwarfout.c (output_type): Likewise.
11356 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
11358 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11359 Merged from c-typeck.c and cp/typeck.c.
11360 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11361 Merged into c-common.
11363 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
11365 * c-lex.c (errorcount): Declare it.
11366 (finish_parse): Update errorcount when using CPPLIB.
11368 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
11370 * fixinc/inclhack.def(end_else_label): Double the backslash so
11371 sed gets a chance to see it.
11372 * fixinc/inclhack.sh: regen
11373 * fixinc/fixincl.x: regen
11375 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
11377 Add framework to support armv5 architecture when it becomes
11380 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
11381 (arm_arch5): New variable.
11382 (all_architectures): Add armv5 line.
11383 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
11384 -march=armv5 is specified on the command line.
11385 (arm_arch5): Export this variable.
11386 * invoke.texi: Document new string accepted by -march= switch for
11389 * config/arm/arm.h: Replace use of constant 12 as a register
11390 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11391 * config/arm/arm.c: Replace use of constant 12 as a register
11392 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11394 * config/arm/elf.h: Tidy up.
11395 * config/arm/coff.h: Tidy up.
11397 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
11399 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
11400 * gcc/config/mips/t-iris6gld: New file.
11401 * gcc/config/mips/iris6gld.h: Likewise.
11403 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
11405 * c-decl.c (widest_integer_literal_type_node,
11406 widest_unsigned_literal_type) : New.
11407 (init_decl_processing): Handle/use the two new types.
11408 * c-common.c (type_for_size,type_for_mode) : Same.
11409 * c-lex.c (yylex) : Same.
11410 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11412 * c-tree.h (widest_integer_literal_type_node,
11413 widest_unsigned_literal_type) : New.
11415 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
11417 * dwarfout.c (field_byte_offset): Correctly compute the object's
11418 byte offset for the first bit of a field which crosses an alignment
11419 boundary on a !BYTES_BIG_ENDIAN target.
11421 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
11423 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
11426 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
11427 Jeff Law <law@cygnus.com>
11429 * ginclude/varargs.h (va_dcl): Use word_mode for type of
11432 * except.c: Include intl.h.
11433 (expand_eh_return): Set current_function_cannot_inline.
11434 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
11435 * function.h (struct function): Add eh_return_stub_label.
11436 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
11437 * Makefile.in (except.o): Depend on intl.h.
11439 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
11441 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
11442 same as offsettable in cases 1 and 2.
11444 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
11446 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
11447 (extlh, extwh): Likewise.
11449 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
11451 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
11453 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
11455 * configure.in: Add arm-pe and thumb-pe targets.
11456 * configure: Regenerate.
11458 * thumb.c (arm_naked_function_p): New function: Determines if
11459 a function is naked (has no gcc generated prologue/epilogue).
11460 (is_called_in_ARM_mode): Return true if the func has the
11461 interfacearm attribute.
11462 (output_return): Do not generate a return for naked functions.
11463 (thumb_function_prologue): Do not generate a prologue for
11465 (thumb_expand_prologue): Do not generate a prologue for naked
11467 (thumb_expand_epilogue): Do not generate an epilogue for naked
11469 (arm_valid_machine_decl_attribute): New function, copied from
11470 arm.c: Permit naked and interfacearm attributes.
11472 * config/arm/pe.c: New file: Support code for arm-pe target.
11473 * config/arm/pe.h: New file: Header file for arm-pe target.
11474 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11475 * config/arm/t-thumb-pe: New file: Makefile fragment for
11478 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11480 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11481 -fPIC or -fpic is specified.
11483 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11485 * expr.c (emit_block_move): Use copy_to_mode_reg for
11486 !TARGET_MEM_FUNCTIONS case too.
11488 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11490 * configure: Rebuilt.
11491 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11492 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11493 definitions made redundant by dbxelf.h inclusion. Delete
11494 lots of definitions related to assembly output that are
11495 specific to the SOM object format.
11496 * pa.c (output_function_prologue): Do not emit the function's
11498 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11499 * pa-pro.h: Deleted.
11500 * som.h: New file with SOM specific definitions.
11501 * elf.h: New file with ELF specific definitions.
11503 * elfos.h (const_section): Output a tab before assembler directives.
11504 (ctors_section, dtors_section): Likewise.
11505 (ASM_OUTPUT_SECTION_NAME): Likewise.
11507 * pa/pa1.h: Delete unused file.
11509 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11511 * configure.in (hppa*-hp-hpux11*): New configuration.
11512 * configure: Rebuilt.
11513 * pa/pa-hpux11.h: New file.
11514 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11517 * mips.md (leasi, leadi): New patterns.
11519 * expr.c (emit_block_move): Properly handle case where one of the
11520 block move arguments has a queued increment or decrement.
11521 (clear_storage): Similarly. Fix formatting goof.
11523 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11525 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11526 semicolon from the BSD VA_LIST replacement expression.
11528 * fixinc/inclhack.sh: regen
11529 * fixinc/fixincl.x: regen
11531 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11532 now use the fixincl program.
11534 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11536 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11537 case. Also make the PIC register call_used.
11539 * m68k.h (FINALIZE_PIC): Delete.
11540 * m68k.c (finalize_pic): Delete.
11542 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11544 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11547 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11549 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11551 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11553 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11555 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11557 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11559 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11561 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11563 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11565 * rs6000.c (output_toc): Always use hex values for floating-point
11566 constants. Store single-precision values in upper-half of TOC
11567 entry in 64-bit mode.
11568 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11569 to final constraints.
11570 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11571 (fctiwz): Improve accuracy of RTL for pattern.
11573 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11575 * expr.c (expand_expr): Allow RTL_EXPR's through the
11576 MAX_INTEGER_COMPUTATION_MODE checks.
11578 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11580 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11581 such that MASK_SUPPORT_ARCH is not negative.
11583 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11585 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11586 ADDR_DIFF_VEC insns that appear inside loops.
11588 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
11589 Jeff Law <law@cygnus.com>
11591 * rs6000.md (movdf_hardfloat32): Revert previous patch.
11592 Handle LO_SUM the same as offsettable in cases 1 and 2.
11593 * rs6000.c (find_addr_reg): Revert previous patch.
11595 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
11597 * system.h (strstr): New external function declaration.
11598 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
11599 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
11600 * config.in, configure: Rebuilt.
11602 1999-06-24 Tom Tromey <tromey@cygnus.com>
11604 * gcc.c (main): Read user-specified specs files after computing
11605 additional startfile_prefixes.
11607 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
11609 Revert these two patches:
11611 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11612 * loop.c (strength_reduce): When doing biv->giv conversion, update
11613 reg note of NEXT->insn.
11615 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11616 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11618 (recombine_givs): Set ix field after sorting.
11620 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11622 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
11623 for the parts of an UNSPEC / UNSPEC_VOLATILE.
11625 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
11627 *fixinc/inclhack.def: Add fix development commentary
11628 (read_ret_type): reactivate and add selection clause
11629 (zzz_*): tweak output file name to match what is used in hackshell.tpl
11630 *fixinc/{fixincl.x|inclhack.sh}: regen
11632 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
11634 * expr.c (expand_expr): STRIP_NOPS before checking against
11635 MAX_INTEGER_COMPUTATION_MODE
11636 (check_max_integer_computation_mode): Likewise.
11638 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
11640 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
11642 1999-06-22 Jim Wilson <wilson@cygnus.com>
11644 * expr.c (store_expr): When target is a promoted subreg, return a
11645 promoted subreg as a result.
11647 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
11649 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
11651 (dwarf2out_define): Mark unused parameters appropriately.
11652 (gen_unspecified_parameters_die): Ditto.
11653 (gen_subprogram_die): Fix signed/unsigned warnings.
11654 (gen_variable_die): Ditto.
11656 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
11658 * fixinc/inclhack.def(end_else_label): combined else_label
11659 and endif_label and fixed the sed expression.
11660 *fixinc/{fixincl.x|inclhack.sh}: regen
11662 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
11664 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
11665 'x' when handling non-offsettable addresses
11667 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
11669 * final.c (shorten_branches): Don't try to split an insn that has
11672 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
11674 * config/mips/mips.c (symbolic_expression_p): New function.
11675 (mips_select_rtx_section): Put symbolic expressions in the
11676 data section, not the read-only data section.
11678 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
11680 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
11682 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
11684 * collect2.c (main): Log frame table count.
11685 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
11686 (scan_prog_file) [COFF]: Handle frame tables.
11688 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
11689 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
11690 * alpha/elf.h: Undef them again.
11691 * alpha/vms.h: Remove their definitions.
11693 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11695 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
11696 remove the clobber of r0 and change the REG_UNUSED note to
11699 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
11701 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
11702 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
11703 fits in HOST_WIDE_INT and one uses union to access a long constant
11706 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
11708 * sparc.c (sparc_override_options): Don't allow profiling for
11709 code models other than medlow.
11710 (sparc_function_profiler): New function from old FUNCTION_PROFILER
11711 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
11712 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
11713 (sparc_block_profiler): Likewise.
11714 (sparc_function_block_profiler_exit): Likewise.
11715 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
11716 (FUNCTION_BLOCK_PROFILER): Likewise.
11717 (BLOCK_PROFILER): Likewise.
11718 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
11719 (MCOUNT_FUNCTION): New.
11720 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
11721 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
11722 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
11723 (MCOUNT_FUNCTION): New.
11724 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
11725 (BLOCK_PROFILER): Delete.
11726 (MCOUNT_FUNCTION): New.
11728 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
11730 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
11732 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11734 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11737 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11740 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11743 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11746 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
11748 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
11751 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
11753 * i386/djgpp.h (LIB_SPEC): New.
11754 (STARTFILE_SPEC): New.
11756 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
11758 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
11760 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
11763 * system.h (WSTOPSIG): New macro.
11765 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
11767 * c-pragma.c (push_alignment): Don't ignore alignments greater than
11769 (insert_pack_attributes): Take into account member natural
11772 * i386/winnt.c (exports_head): New static variable.
11773 (i386_pe_record_exported_symbol): New function.
11774 (i386_pe_asm_file_end): Use.
11775 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
11776 symbols to be emitted at end of assembly.
11777 (ASM_DECLARE_OBJECT_NAME): Likewise.
11778 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11780 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
11783 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
11785 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
11788 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
11790 * haifa-sched.c (sched_analyze_1): Use free_list instead of
11791 zapping reg_last_uses directly.
11792 (sched_analyze_2, sched_analyze_insn): Likewise.
11793 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
11795 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
11797 * rs6000.md (movdf_hardfloat32): Use worst case insn length
11798 attributes for cases 1 and 2.
11800 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
11802 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
11805 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
11807 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
11809 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
11811 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
11812 PIC_OFFSET_TABLE_REGNUM for general alloaction.
11813 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
11814 must be stacked if it is used for PIC accesses.
11815 * arm.c (use_return_insn): Handle PIC register specially.
11816 (output_return_instruction): Likewise.
11817 (output_func_{prologue,epilogue}): Likewise.
11818 (output_expand_prologue): Likewise.
11820 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
11821 (*strsi_predec): Renamed from *strqi_predec.
11822 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
11823 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
11825 * arm.c (arm_override_options): Remove warning about PIC code
11826 not being supported.
11828 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
11830 * rs6000.c (find_addr_reg): New function.
11831 * rs6000.h (find_addr_reg): Declare.
11832 (offsettable_addr_operand): Delete.
11833 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
11834 from and stores to GPRs.
11836 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
11838 * alpha.c (alpha_expand_block_move): Use get_insns rather than
11839 gen_sequence as argument to emit_no_conflict_block.
11841 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11843 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
11844 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
11845 *fixinc/fixincl.x: regen
11846 *fixinc/inclhack.sh: regen
11848 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
11850 * added support for -mpcrel (PC relative addressing for m68k)
11851 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
11852 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
11853 * m68k.c (print_operand_address): Handle 32-bit PIC case.
11854 (comments for general_src_operand): Add some explanation
11855 about EXTRA_CONSTRAINTS.
11856 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
11857 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
11858 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
11859 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
11860 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
11861 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
11862 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
11863 if not already set.
11864 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
11865 * m68k.h (TARGET_PCREL): New target flag.
11866 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
11867 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
11868 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
11869 contains a SYMBOL_REF. Relax this constraint during reload, since
11870 we want to use the predicates, not reload's built-in concept of a
11871 valid memory address, to control what insns need reloading.
11872 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
11873 operands (essentially 'g', 'm', and 's' under normal circumstances).
11874 * m68k.c (print_operand): Cause printing of pc-relative addresses
11875 to include pc register.
11876 (print_operand_address): Ditto.
11877 (general_src_operand): Accept operands that are not only
11878 general_operands, but are also valid when used as a pc-relative
11880 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
11881 (memory_src_operand): Similar, for memory_operands.
11882 (pcrel_address): New predicate to accept the special case of a
11883 pc-relative address.
11884 * m68k.md (many patterns): Rewrite common SImode, HImode, and
11885 QImode insns to accept *_src_operand instead of *_operand where
11886 pc-relative operands can fit. For example, a pc-relative operand
11887 can be used as a memory source operand for addsi3, but not as a
11888 memory destination.
11889 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
11891 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
11893 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
11894 .thumb_set pseudo op to mark aliases of thumb functions.
11896 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
11898 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
11899 preference to ASM_OUTPUT_DEF, if it is defined.
11901 * tm.texi: Document new, optional target macro
11902 ASM_OUTPUT_DEF_FROM_DECLS.
11904 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11906 * fixincludes: ISCNTL patch
11907 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
11908 (dgux_int_varargs): new for DG/UX
11909 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
11911 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
11913 * invoke.texi (ia32 options): Fix typo.
11915 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11917 * loop.c (strength_reduce): When doing biv->giv conversion, update
11918 reg note of NEXT->insn.
11920 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
11922 * loop.c (move_movables): Note issues with replacing REGs with
11924 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
11926 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
11928 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
11930 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
11931 the reference to `mcount' was not correct for the ELF on FreeBSD.
11933 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11935 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11938 (recombine_givs): Set ix field after sorting.
11940 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
11942 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
11943 to safe to extract a subword out of a REG.
11945 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11947 * sh.md (mulsi3): Don't add a no-op move at the end.
11949 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11951 * cse.c (cse_insn): Don't put hard register source into tables for
11952 the last insn of a libcall.
11954 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11956 * loop.c (strength_reduce): Insert sets of derived givs at every
11957 biv increment, even if it's the only one.
11959 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11961 * dwarfout.c (add_incomplete_type): New fn.
11962 (output_type): Call it.
11963 (retry_incomplete_types): New fn.
11964 (dwarfout_finish): Call it.
11966 From Eric Raskin <ehr@listworks.com>:
11967 (output_type): Output types for bases.
11969 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11971 * mips.c (mips_output_conditional_branch): Add `break'
11972 between `default' label and `close braces'.
11974 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
11976 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
11977 specifications and make it realistic.
11978 (LIB_SPEC): Likewise.
11980 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
11982 * config/mips/mips.c (mips_secondary_reload_class): Check for
11983 (PLUS (SP) (REG)) and return appropriate register class.
11984 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
11985 Handle (PLUS (SP) (REG)).
11986 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
11987 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
11988 of emit_insn for tablejump.
11990 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
11992 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
11993 asm_fprintf format string by itself.
11994 (output_function_profiler): Likewise.
11996 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
11998 * combine.c (simplify_logical, case AND): Only call
11999 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12000 or the constant is positive.
12002 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12004 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12005 * configure: Regenerate.
12007 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12009 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12010 require a sub-version #.
12011 * configure: Rebuilt.
12013 1999-06-14 Robert Lipe (robertlipe@usa.net)
12015 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12017 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12019 * c-typeck.c (process_init_element): Detect excess elements in
12020 char array initializer.
12022 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12024 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12026 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12028 * invoke.texi (Option Summary): Add -fpermissive flag.
12030 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12032 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12033 that require PIC code sequences.
12035 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12037 * configure.in: Add new target: thumb-elf.
12038 * configure: Regenerate.
12039 * config/arm/t-thumb-elf: New file: Makefile fragment for
12041 * config/arm/telf.h: New file: Header file for thumb-elf
12044 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
12046 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
12047 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
12048 initializers is some circumstances.
12050 * fixinc/inclhack.def (endif_label): Add additional selector for
12051 more bogus stuff after #endif statements.
12052 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
12054 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
12056 * i386/cygwin.h (SET_ASM_OP): Define.
12058 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
12060 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
12062 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12064 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
12067 * sh.md (ic_invalidate_line_i): Remove second alternative.
12069 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12071 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
12072 test for the presence of valid prototypes. Delete bypass expr.
12073 (ioctl_fix_ctrl): Correct the selection expression.
12074 (no_double_slash): Correct quoting rules
12075 *fixinc/fixincl.x: regen
12076 *fixinc/inclhack.sh: regen
12078 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
12080 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
12082 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12084 * rs6000.md (movsi_got_internal_mem): Delete.
12085 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
12086 (GOT_TOC_REGNUM): Delete.
12087 (PIC_OFFSET_TABLE_REGNUM): Define.
12088 (FINALIZE_PIC): Disable.
12089 * rs6000.c (rs6000_got_register): New code for fixed pic register.
12090 (rs6000_replace_regno): Delete.
12091 (rs6000_finalize_pic): Likewise.
12092 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
12094 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12096 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
12097 is a note; use <= for the compare; advance P while it is
12100 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
12102 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
12103 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
12105 * varasm.c (remove_from_pending_weak_list): Verify t->name
12106 is non-NULL before passing it to strcmp.
12108 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12110 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
12111 the typed arguments are not part of a comment
12112 (ioctl_fix_ctrl): Added a purpose comment
12113 *fixinc/fixincl.x: regenerate
12114 *fixinc/inclhack.sh: regenerate
12116 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12118 * invoke.texi: Add C4x invocation docs.
12120 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12122 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
12124 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
12126 (c4x_legitimize_reload_address): New function.
12127 * config/c4x/c4x.md: Update docs.
12129 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
12131 * fixincludes: Avoid removing '.'.
12132 * fixinc/fixinc.svr4: Likewise.
12133 * fixinc/fixinc.winnt: Likewise.
12134 * fixinc/inclhack.tpl: Likewise.
12135 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
12137 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12139 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
12141 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
12143 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
12145 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
12148 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
12150 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
12151 * configure: Regenerate.
12153 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
12155 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
12158 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
12160 * fixinc/inclhack.def (avoid_bool): Also catch
12161 "typedef [unsigned] int bool".
12162 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12164 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
12165 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
12166 * configure: Rebuilt.
12168 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
12170 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
12171 such that we can override its definitions if necessary.
12172 (CPP_SPEC): New define. Support processor specific predefines via
12174 (CC1_SPEC): New define. Support processor specific compiler
12175 options via %(cc1_cpu).
12176 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
12179 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12181 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
12182 between sed's -e flag, and the open-quote following it.
12183 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12185 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
12186 Jeffrey A Law (law@cygnus.com)
12188 * varasm.c (assemble_start_function): Remove the function
12189 from the pending weak decls list when we define a function.
12190 (assemble_variable): Similarly for variables.
12191 (weak_finish): Ignore items on the list with a NULL name.
12192 (remove_from_ending_weak_list); New function to "remove" an item
12193 from the pending weak declarations list.
12195 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12197 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
12199 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
12201 * c-lex.c (GETC): Redefine to call getch.
12202 (UNGETC): Redefine to call put_back.
12203 (putback_buffer): New structure type.
12204 (putback): New static structure.
12205 (getch): New function.
12206 (put_back): New function.
12207 (yylex): Replace unused bytes from bad multibyte character.
12209 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
12211 * cpplib.c (do_define): Cast `alloca' return value.
12212 (do_include, do_undef, do_pragma): Likewise.
12213 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
12215 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
12216 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
12218 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
12220 * sparc.md (abstf2): This should be an expand.
12221 (split after abstf2_notv9): Fix mode.
12222 (abstf2_hq_v9): New pattern.
12223 (abstf2_v9): Only use when no hard quad.
12224 (absdf2_v9): Fix if target is not the same as source.
12225 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
12226 Add correct output constraints.
12228 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
12230 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
12231 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
12233 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
12235 * mips.h (mips_output_conditional_branch): New function.
12236 (mips_adjust_insn_length): Likewise.
12237 (ASSEMBLER_SCRATCH_REGNUM): New macro.
12238 (ADJUST_INSN_LENGTH): Likewise.
12239 * mips.c (print_operand): Add `F' and `W' for floating-point
12240 comparison opcodes.
12241 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
12243 (mips_adjust_insn_length): New function.
12244 (mips_output_conditional_branch): New function.
12245 * mips.md (length): Adjust attribute definition to handle
12246 conditional branches. Change lengths to bytes, rather than
12247 instructions throughout. Remove length attribute from
12248 instructions whose length is four bytes, and rely on the default
12250 (dslot): Fix typo in comment.
12251 Reword conditional branch patterns to use
12252 mips_output_conditional_branch.
12254 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12256 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
12257 (LIB_SPEC): Likewise.
12258 Link with -lprof1_r for -g/-pg.
12260 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12262 * loop.c (check_dbra_loop): Fix change of Jan 19.
12264 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
12266 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
12267 (STARTFILE_SPEC): Define, override the svr4.h version.
12268 (ENDFILE_SPEC): Likewise.
12270 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
12272 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
12273 * fixinc/fixincl.x: Regenerated.
12274 * fixinc/inclhack.sh: Regenerated.
12276 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12278 * sh.c (barrier_align): Don't return early for normal branch/barrier
12279 when optimizing for SH2.
12281 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
12283 * i386/udk.h (LINK_SPEC): Correct linker search path for
12286 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12288 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
12289 (braf_label_ref_operand): Delete.
12290 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
12291 * sh.md (casesi_jump_2): Operand1 is now the inside of a
12292 label_ref, and has no predicate.
12293 The patten has a predicate to guard against invalid substitutions.
12294 (dummy_jump): Delete.
12295 (casesi): Update use of casesi_jump_2.
12297 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12299 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
12300 *fixinc/fixincl.x: regenerate
12301 *fixinc/inclhack.sh: regenerate
12303 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
12305 * dwarf2out.c (add_incomplete_type): New fn.
12306 (gen_struct_or_union_type_die): Call it.
12307 (retry_incomplete_types): New fn.
12308 (dwarf2out_finish): Call it.
12310 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
12312 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
12313 current block starts with a CODE_LABEL and ends with a CALL and
12314 we can not find all the argument setup instructions for the CALL.
12316 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
12318 Revert this change:
12319 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12320 something is a candidate for optimize_bit_field_compare.
12322 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12324 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
12326 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
12328 * alpha.c (override_options): Thinko in last patch.
12330 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
12331 (LIB_SPEC): Recognize -pthread.
12333 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
12335 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
12336 definition in config/arm/coff.h
12337 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
12339 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12341 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
12342 fixes that need "file=xxx\n" prepended before invocation
12343 (start_fixer - new): starting the fixer process is complex enough
12344 to warrent its own routine. It prepends the "file=xxx\n" stuff.
12345 (process): uses the new routine; omit usage of putenv()
12346 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
12347 * fixinc/fixincl.x: regenerate
12349 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
12351 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
12352 and version #s (1.1 -> 2.96) as needed.
12353 * README.g77: Kill way out of date file in the toplevel directory.
12355 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
12357 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
12358 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
12359 * configure: Rebuilt.
12360 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
12361 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
12362 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
12363 (SWITCH_TAKES_ARG): Likewise.
12364 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
12365 * config/t-freebsd: Moved from config/i386/ so it can used for all
12368 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
12370 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
12372 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
12374 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
12375 * configure: Rebuilt.
12377 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
12379 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
12380 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
12381 * rs6000/rs6000.c (rs6000_file_start): Use putc.
12382 (rs6000_output_load_toc_table): Same.
12383 (output_prolog, output_mi_thunk): Same.
12384 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
12385 (ASM_GLOBALIZE_LABEL): Use putc.
12387 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
12389 * alpha.md (reload_*_help): New patterns and splitters.
12390 (reload_*): Use them.
12391 (mov[qh]i): Likewise.
12393 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
12395 * cccp.c (handle_directive): Handle backslash-newlines in quoted
12398 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
12400 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
12402 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
12404 * flow.c (mark_regs_live_at_end, insn_dead_p,
12405 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
12406 and HARD_FRAME_POINTER_REGNUM special treatment if reload
12407 hasn't run or the frame pointer is needed.
12408 * haifa-sched.c (attach_deaths): Likewise.
12409 * sched.c (attach_deaths): Likewise.
12411 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
12413 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
12414 calculate_can_reach_end returns nonzero.
12416 * configure.in (native gas tests): Search for an assembler in the
12417 same manner that the installed compiler will.
12418 * configure: Rebuilt.
12419 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
12421 * alias.c (find_base_term): Improve handling of addresses
12422 constructed from binary operations.
12424 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
12426 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
12428 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
12430 * function.h (cleanup_label, frame_offset): Declare.
12431 (tail_recursion_label, tail_recursion_reentry): Likewise.
12432 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12433 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
12434 (tail_recursion_label, tail_recursion_reentry): Likewise.
12435 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12437 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
12439 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
12441 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
12442 (MAX_OFILE_ALIGNMENT): Define.
12444 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
12446 * fixincl.c: Replace local include scheme with #includes of
12447 gansidecl.h and system.h.
12448 * procopen.c: Likewise.
12449 * server.c: Likewise.
12451 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
12453 * i386/t-dgux (EXTRA_PARTS): Add crti.o
12454 (crti.o): Add build rule and dependencies.
12455 * fixinc/fixinc.dgux: Use modified _int_varargs.h
12457 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12459 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
12460 (LIB_LINUX_SPEC): Likewise.
12461 (LIB_LINUX_SPEC): Add support for -pthread
12462 (CPP_OS_LINUX_SPEC): Likewise.
12463 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
12466 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
12468 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
12470 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12471 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12472 for IEEE math and CC_FCOMI.
12473 (put_jump_code): No IEEE if CC_FCOMI is set.
12475 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12477 * fold-const.c (fold_truthop): Make the field reference unsigned
12478 when converting a single bit compare.
12480 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12482 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12484 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12486 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12487 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12490 * reload.c (push_reload): Do not call remove_address_replacements
12491 when presented with identical optional reloads.
12493 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12495 * alpha.h (MASK_FIX, TARGET_FIX): New.
12496 (MASK_*): Reorganize constants.
12497 (CPP_AM_FIX_SPEC): New.
12498 (TARGET_SWITCHES): Add FIX.
12499 (EXTRA_SPECS): Likewise.
12500 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12501 (SECONDARY_MEMORY_NEEDED): Likewise.
12502 (REGISTER_MOVE_COST): Likewise.
12503 * alpha.c (override_options): Add FIX support. Always use
12504 ALPHA_TP_PROG for ev6.
12505 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12506 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12507 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12509 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12511 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12512 something is a candidate for optimize_bit_field_compare.
12514 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12516 * gcc.texi (Passes): Document branch-shortening.
12517 * invoke.texi (Debugging Options): Document the fact that `-dp'
12518 outputs length information for instructions.
12520 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12522 * flow.c: Revert previous delta.
12524 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12526 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12527 FRAME_POINTER_REGNUM.
12528 (mark_set_1): Ditto.
12529 (mark_used_regs): Ditto.
12531 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12533 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12534 (GOT_PCREL): New macro. Define to 1 if not already defined.
12535 * arm/elf.h (GOT_PCREL): Define to 0.
12536 * arm.c (arm_finalize_pic): Take into account the setting of
12539 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12541 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12542 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12544 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12545 store elimination candidates.
12547 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12549 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12552 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12554 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12555 Add use of x-aix41-gld.
12557 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12559 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12560 (ASM_OUTPUT_DESTRUCTOR): Define.
12562 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12564 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12565 last CODE_LABEL in a loop if we have previously passed a jump
12566 to the top of the loop.
12568 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12570 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12571 applying Philip's patch.
12573 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12575 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12578 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12580 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12582 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12584 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12585 Also remove a useless comment.
12587 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12589 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
12591 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
12593 * collect2.c (main): Only generate import or export file and add
12594 to link arguments if non-empty. Use xmalloc not alloca.
12595 (write_{export,import}_file): Delete.
12596 (write_aix_file): New function.
12597 (locatelib): Use xmalloc not malloc.
12598 (GCC_OK_SYMBOL): Do not check type if aix64.
12600 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
12602 Based on patch by Scott Bambrough and Pat Beirne:
12603 * config/arm/arm.c (making_const_table): New variable.
12604 * config/arm/arm.h (making_const_table): Declare.
12605 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
12607 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
12608 Keep track of when we are building the constant table.
12610 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
12612 * config/arm/arm.c (arm_override_options): Fix erroneous warning
12615 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
12617 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
12620 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
12622 * tm.texi (FUNCTION_ARG): Correct description of a stack element
12625 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
12627 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
12629 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12631 * rs6000.c (output_mi_thunk): Enable full support again.
12633 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12635 * sh.h (BRANCH_COST): Define.
12637 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
12639 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
12641 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
12643 * function.c (assign_stack_local): Align stack slot propertly.
12644 (assign_outer_stack_local): Likewise.
12646 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
12648 * expr.h (lang_expand_constant): Declare.
12649 * toplev.c (lang_expand_constant): Define it.
12650 * varasm.c (output_constant): Use it.
12652 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12654 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
12655 Change function definitions to K&R style.
12657 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12659 * fixinc/fixincl.c: We must not ignore SIGCLD now.
12661 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
12663 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
12664 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
12665 (several places): omit static initialization
12666 (process): use single fd, since only the read fd is used
12667 * fixinc/gnu-regex.c: define 'const' away, if not supported
12668 * fixinc/procopen.c(several places): omit static initialization
12669 * fixinc/server.c: define 'volitile' away, if not supported
12671 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12673 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
12674 asm_fprintf and %L to generate the label name.
12675 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
12676 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
12678 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
12680 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
12681 insn for a conditional jump can not be found.
12683 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
12685 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
12686 on variables in specific sections other than .sbss and .sdata.
12688 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
12690 * stmt.c (expand_return): Call start_cleanup_deferral and
12691 end_cleanup_deferral around conditional code.
12693 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12695 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
12696 filename lists. Utilizes new "krstr" AutoGen function.
12697 * fixinc/fixincl.x: Rebuilt.
12699 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
12701 * i386.c (output_float_compare): Avoid GNU-C extensions.
12703 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
12705 * version.c: Bump to distinguish mainline tree from the
12708 See ChangeLog.1 for earlier changes.