1 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
3 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
4 (associate_trees): Delete unused var TEM.
5 (extract_muldiv): Delete unused var CANCEL_P.
7 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8 (target_isinf, target_isnan, target_negative): Add return types to
11 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14 * fixinc/hackshell.tpl: ditto
15 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
18 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
20 * reload.c (push_reload): When looking for a register to put into
21 reg_rtx, make sure all hard regs in a multi-reg register are in the
22 right class and nonfixed.
24 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
25 pending_read_insns, pending_write_insns, pending_read_mems,
26 pending_write_mems, pending_list_length, last_pending_memory_flush,
27 last_function_call, sched_before_next_call): Move static variables
29 (bb_ prefixed versions): Replace with single array bb_deps.
30 (struct deps): New structure.
31 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
32 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
33 argument of type "struct deps *"; use that instead of global
34 variables. All callers changed.
35 (init_rgn_data_dependencies): Delete function.
36 (init_rtx_vector): Delete function.
37 (init_deps): New function.
39 (free_pending_lists): Simplify, we always use the bb_deps array even
40 if only one basic block.
41 (compute_block_backward_dependences): Likewise.
42 (schedule_region): Likewise.
44 (propagate_deps): New function, broken out of
45 compute_block_backward_dependences.
46 (compute_block_backward_dependences): Use it.
48 * alpha.md: Delete useless patterns that tried to work around
49 register elimination problems.
51 * unroll.c (loop_iterations): Don't abort if iteration variable
55 * reload1.c (reloads_conflict): Reverse test comparing operand
56 numbers when testing for conflict between output/outaddr reloads.
58 1999-11-29 David S. Miller <davem@redhat.com>
60 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
62 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
64 1999-11-28 Robert Lipe <robertl@cygnus.com>
66 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
67 table from .fini into .dtor.
69 1999-11-28 Anthony Green <green@cygnus.com>
71 * tree.h (struct tree_decl): Add malloc_flag.
72 (DECL_IS_MALLOC): Define.
73 * c-common.c (attrs): Add A_MALLOC attribute.
74 (init_attributes): Add this attribute to the table.
75 (decl_attributes): Handle malloc attribute.
76 * calls.c (special_function_p): Check for the malloc attribute.
77 * extend.texi (Function Attributes): Document malloc attribute.
79 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
81 * pa.md (reload shift-add patterns): Remove.
83 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
85 * reorg.c (dbr_schedule) Print more statistics. Corrected
86 problem when printing info when 3 delay slots are filled.
88 1999-11-28 Jakub Jelinek <jakub@redhat.com>
90 * combine.c (setup_incoming_promotions): Pass an outgoing
91 regno to FUNCTION_ARG_REGNO_P which it expects.
93 1999-11-28 Andreas Jaeger <aj@suse.de>
95 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
97 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
99 * cccp.c (do_include): Avoid initialization of automatic variable.
101 * integrate.c (mark_stores): Function definition made void, to match
102 previous declaration.
103 * regclass.c (dump_regclass): Ditto.
104 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
106 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
108 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
109 known to be multiple of divisor.
111 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
113 * combine.c (try_combine): Add code to try to merge a set of a
114 two-word pseudo to a constant with a setting of one of those words
117 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
118 (split_tree): Completely rework to make more general.
119 (make_range, fold): Call negate_expr.
120 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
121 (fold, associate): Call new split_tree and associate_trees.
122 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
124 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
126 * loop.c (try_copy_prop): Avoid GNU C extension.
128 1999-11-25 Mark Mitchell <mark@codesourcery.com>
130 * except.c (init_eh_for_function): Still zero eh_return_context,
131 eh_return_stack_adjust, and eh_return_handler.
133 * except.h (eh_status): Adjust documentation for x_protect_list.
134 (begin_protect_partials): New function.
135 * except.c (enqueue_eh_entry): Fix formatting.
136 (get_first_handler): Add consistency check.
137 (add_partial_entry): Adjust usage of protect_list.
138 (emit_cleanup_handler): Save and restore ehqueue.
139 (expand_start_all_catch): Add comment.
140 (begin_protect_partials): New function.
141 (end_protect_partials): Adjust usage of protect_list.
142 (init_eh_for_function): Use xcalloc.
144 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
146 * c-common.c (check_format_info): Don't call a variadic function
147 with a non-literal format string.
149 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
151 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
152 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
155 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
158 * collect2.c (collect_wait): Likewise.
160 * dbxout.c (dbxout_type): Likewise.
162 * gcc.c (do_spec_1): Likewise.
164 * genemit.c (gen_insn, gen_expand): Likewise.
166 * genrecog.c (write_switch, write_subroutine): Likewise.
168 * mips-tfile.c (catch_signal, botch): Likewise.
170 * print-rtl.c (print_rtx): Likewise.
172 * toplev.c (default_print_error_function, report_error_function,
173 _fatal_insn): Likewise.
175 1999-11-25 Mark Mitchell <mark@codesourcery.com>
177 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
179 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
181 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
182 operations when needed.
183 * i386.md (fop_?f_comm): New.
184 (fop_?f_1): Do not accept commutative operands.
186 1999-11-25 Andreas Jaeger <aj@suse.de>
188 * config/mips/mips.md (casesi_internal): Add missing brace.
190 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
192 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
193 (splice_child_die): Handle moving a child DIE from the declaration
194 DIE of a class to its specification.
195 (gen_struct_or_union_type_die): Use 'complete' consistently.
196 (gen_decl_die): Generate the virtual context DIE first.
197 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
199 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
201 * config/mips/mips.md (call_value_multiple_interanal1): New.
203 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
205 * dwarf2out.c (free_AT, free_die): New fns.
206 (remove_children): Call them.
207 (output_line_info): Disable removal of duplicate notes.
209 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
210 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
211 means pretend the type isn't defined.
212 Don't defer emitting types.
213 (gen_type_die_for_member): New fn.
214 (gen_decl_die): Call it.
215 (splice_child_die): New fn.
216 (gen_member_die): Call it rather than generate duplicate dies.
218 Defer emitting information for the abstract instance of an inline
219 until we either inline it or emit an out-of-line copy.
220 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
221 from output_inline_function if DECL_ABSTRACT is also set.
222 (block_ultimate_origin): Likewise.
223 (gen_abstract_function): New fn.
224 (gen_decl_die, gen_inlined_subroutine_die): Call it.
225 (gen_subprogram_die): An abstract instance is not a declaration
226 just because it doesn't match current_function_decl. Don't abort
227 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
228 has an abstract origin.
229 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
230 abstract instance here.
232 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
234 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
235 where we need to reload fpul from a system register.
237 1999-11-24 Andreas Jaeger <aj@suse.de>
239 * config/mips/linux.h (CPP_PREDEFINES): Added.
240 (LINK_SPEC): Remove -Y since this is only needed on sparc.
242 1999-11-24 Andreas Jaeger <aj@suse.de>
244 * config/mips/linux.h (TARGET_VERSION): Added.
245 (HANDLE_SYSV_PRAGMA): Added.
246 (DEFAULT_VTABLE_THUNKS): Added.
248 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
250 * local-alloc.c (qty): New structure and static variable.
251 (qty_phys_reg): Remove, all references changed to qty.
252 (qty_n_refs): Likewise.
253 (qty_min_class): Likewise.
254 (qty_birth): Likewise.
255 (qty_death): Likewise.
256 (qty_size): Likewise.
257 (qty_mode): Likewise.
258 (qty_n_calls_crossed): Likewise.
259 (qty_alternate_class): Likewise.
260 (qty_changes_size): Likewise.
261 (qty_first_reg): Likewise.
262 (alloc_qty): Rename variable QTY to QTYNO.
263 (finf_free_reg): Likewise.
264 (local_alloc): Allocate qty, do not allocate the removed variables.
266 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
268 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
269 when -membedded-pic is passed.
271 * config/mips/mips.md (casesi): Handle 64-bit case too.
272 (casesi_internal_di): New insn.
274 * config/mips/mips.c (embedded_pic_offset): Always make the
275 embedded-pic subtractions relative to the name of the current
276 function by use of the magic string "..CURRENT_FUNCTION".
277 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
279 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
281 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
282 of (const_int 0), when what we really care about is
283 whether it's a zero constant anyway.
284 (div_trap_mips16): Likewise.
286 1999-11-23 Mark Mitchell <mark@codesourcery.com>
288 * loop.c (loop_optimize): Always find_loop_tree_blocks and
289 unroll_block_trees when generating debuggable code.
291 * tree.h (unsave_expr_1): New function.
292 (lang_unsave): New variable.
293 (get_callee_fndecl): New function.
294 * tree.c (unsave_expr_now_r): New function.
295 (lang_unsave): Define.
296 (unsave_expr_1): Likewise.
297 (unsave_expr_now_r): Split out from unsave_expr_now.
298 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
299 call unsave_expr_now_r.
300 (get_callee_fndecl): Define.
302 * Makefile.in (gencheck): Don't depend on lang_tree_files.
303 (gencheck.o): Do depend on lang_tree_files.
305 * integrate.h (copy_decl_for_inlining): New declaration.
306 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
307 (copy_decl_for_inlining): New function.
308 (integrate_parm_decls): Use it.
309 (integrate_decl_tree): Likewise.
311 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
313 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
314 the second two from the first.
315 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
316 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
317 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
319 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
320 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
323 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
325 * pa.md (call_internal_symref, call_value_internal_symref): No mode
326 needed on the address operand.
327 * pa.c (call_operand_address): Check for the correct mode.
329 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
331 * loop.c: Include "basic-block.h".
332 (try_copy_prop, replace_loop_reg): New functions.
333 (load_mems): Detect registers that just hold copies of the hoisted
334 mem, and call try_copy_prop to eliminate them.
335 * Makefile.in (loop.o): Update dependencies.
337 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
339 * Makefile.in (gencheck.o): Depend on gencheck.h.
340 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
341 (insn-peep.o): Depend on except.h and function.h.
342 (insn-attrtab.o): Depend on RECOG_H.
343 (insn-output.o): Depend on toplev.h and flags.h.
344 (gengenrtl.o): Depend on real.h.
345 (gen-protos.o): Depend on cpplib.h and cpphash.h.
346 Unify all dependencies to be on RECOG_H rather than recog.h.
348 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
350 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
351 * configure.in: Try building a bi-arch 32/64-bit compiler on
352 sparc-*-solaris2.7 and higher.
353 * configure: Rebuild.
355 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
357 * config/freebsd.h: New, FreeBSD architecture independent file.
358 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
360 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
361 directly by i386/freebsd.h.
362 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
363 independent configuration file.
364 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
365 directly by i386/freebsd.h.
366 * configure: Rebuilt.
368 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
369 which is in the user's namespace.
370 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
371 `i386' which is not in our namespace.
373 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
375 * invoke.texi (ARM Options): Add in -mno-alignment-traps
377 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
379 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
380 (add_dwarf_attr, add_child_die): Just push onto the front.
381 (reverse_die_lists): New fn.
382 (add_sibling_attributes): Use it.
383 (push_decl_scope): Reorganize.
384 (add_name_and_src_coords_attributes): Don't set file and line for
386 (gen_subprogram_die): An artificial function doesn't need to match
388 (gen_compile_unit_die): Return the generated die. Only add
389 AT_comp_dir if the filename is relative.
390 (remove_AT): Simplify loop. Also free string values.
391 (output_die): A DIE ref can't be null.
392 (output_value_format, value_format): Take a dw_attr_ref.
393 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
394 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
395 AT_addr, AT_lbl): New fns.
399 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
401 * combine.c (combine_simplify_rtx): When handling a SUBREG,
402 take SUBREG_WORD into account.
403 (if_then_else_cond): Likewise.
405 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
407 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
408 clause from BSD license, pursuant with
410 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
412 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
414 * loop.c (load_mems): Reformat slightly.
415 * basic-block.h (regset_head): New typedef.
416 (INIT_REG_SET): New macro.
418 1999-11-22 Bruce Korb <autogen@linuxbox.com
420 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
421 (mips-dec-bsd*): non-functional code
422 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
424 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
425 added three replacement fixes
426 (no_double_slash): removed comments that are not (any longer) pertinent
427 (bad_lval): this fix currently runs against many files.
428 The comment seems to indicate that we should select for files
429 containing 'pragma extern_prefix'.
431 * fixinc/fixinc.x86-linux-gnu: deleted
432 * fixinc/inclhack.sh: regen
433 * fixinc/fixincl.x: regen
434 * fixinc/fixincl.sh: regen
436 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
438 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
439 its code is INSN and it has no notes.
441 1999-11-22 Andrew Haley <aph@cygnus.com>
443 * varasm.c (function_defined): Remove.
444 (make_function_rtl): Don't set function_defined.
445 (make_decl_rtl): Remove global register warning.
446 * regclass.c (no_global_reg_vars): New variable.
447 (globalize_reg): Warn if function has already been defined.
448 (regclass_init): Set no_global_reg_vars.
450 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
452 * regclass.c (reg_pref): New structure and static variable
455 (all uses of prefclass and altclass): Use reg_pref instead.
457 1999-11-21 Nick Clifton <nickc@cygnus.com>
459 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
461 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
462 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
463 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
465 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
467 * varasm.c (output_constructor): Solve problem with long long
468 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
470 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
472 * global.c (allocno): New structure and static variable.
473 (allocno_reg): Remove, all references replaced by allocno.
474 (allocno_size): Likewise.
475 (hard_reg_conflicts): Likewise.
476 (hard_reg_preferences): Likewise.
477 (hard_reg_copy_preferences): Likewise.
478 (hard_reg_full_preferences): Likewise.
479 (regs_someone_prefers): Likewise.
480 (allocno_calls_crossed): Likewise.
481 (allocno_n_refs): Likewise.
482 (allocno_live_length): Likewise.
483 (find_reg): Rename ALLOCNO to NUM.
485 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
487 (may_move_out_cost): New variable.
488 (init_reg_sets_1): Initialize may_move_out_cost.
489 (record_reg_classes): Use may_move_out_cost.
491 * regclass.c (dump_regclass): New function.
492 (regclass): New parameter DUMP, call DUMP_REGCLASS.
493 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
494 pass rtl_dump_file to regclass.
495 * rtl.h (regclass): Update prototype.
497 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
499 * i386.md (neg, not and abs patterns): Revmap to use
500 ix86_expand_unary_operator and ix86_unary_operator_ok.
501 (add?f and sub?f expanders): Force operand 1 to register.
502 * i386.c (ix86_expand_unary_operator): Rewrite.
503 (ix86_unary_operator_ok): Ensure that memory operands
505 (ix86_binary_operator_ok): Do not allow operand 1 to
506 come into memory and operand 0 not.
507 (ix86_expand_binary_operator): Ensure that
508 src1 is not non-matching memory.
510 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
511 to support integer registers and memory.
512 (abss?2_integer): Likewise.
514 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
515 (REG_CLASS_NAMES): Likewise.
516 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
518 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
519 (movsf): Likewise; unify 4th and 5th alternative.
521 (movdf_1): Likewise; rename to movdf_integer.
522 (pushxf): Likewise; rename to pushxf_integer; fix output template;
523 remove redundant splitter.
524 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
525 (movdf_nointeger): New.
526 (movxf_nointeger): New.
527 (pushxf_nointeger): New.
529 * i386.md (extend?f?f): Split to expander and pattern, refuse two
530 memory operands in patterns.
531 (fop*): Refuse two memory operands.
533 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
534 on !TARGET_USE_CLTD CPUs.
536 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
538 * extend.texi: Document C++ restricted pointers and references.
540 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
542 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
543 (invalidate_skipped_set): Call it unconditionally.
544 (cse_set_around_loop): Likewise.
546 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
548 * rtl.texi (mem): Add documentation for alias-set argument
551 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
553 * i386.h (struct_processor_costs): New fields int_load, int_store,
554 fp_move, fp_load and fp_store
555 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
557 (MEMORY_MOVE_COST): New macro.
558 * i386.c (386_cost): Define new fields.
559 (i486_cost): Likewise.
560 (pentium_cost): Likewise.
561 (pentiumpro_cost): Likewise.
564 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
565 Geoffrey Keating <geoffk@cygnus.com>
567 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
569 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
572 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
573 (TARGET_STRICT_ALIGNMENT): New macro.
574 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
575 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
576 * invoke.texi (M680x0 Options): Document -mstrict-align.
578 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
579 Richard Henderson <rth@cygnus.com>
581 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
582 (ix86_split_long_move): Declare.
583 * i386.c (split_xf, ix86_split_movdi): Remove.
584 (ix86_split_to_parts, ix86_split_long_move): New.
585 * i386.md (dimode move splitters): Use ix86_split_long_move.
586 (dfmode move splitters): Likewise.
587 (xfmode move splitters): Likewise.
588 (movsf_1): Allow F->r.
589 (movdf_1, movxf_1): Allow F->ro.
591 1999-11-17 Mark Mitchell <mark@codesourcery.com>
593 * except.h (struct eh_entry): Add goto_entry_p.
594 (eh_region_from_symbol): Remove prototype.
595 * except.c (find_func_region_from_symbol): New function.
596 (emit_cleanup_handler): Likewise.
597 (eh_region_from_symbol): Make it static.
598 (add_new_handler): Verify the argument.
599 (find_func_region): Update comment.
600 (expand_eh_region_end): Expand handlers here, rater than waiting
601 until expand_leftover_cleanups or start_all_catch.
602 (expand_leftover_cleanups): Don't expand here.
603 (expand_start_all_catch): Or here.
604 (expand_rethrow): Check the return value from find_func_region.
605 * function.c (expand_function_end): Emit the catch_clauses.
607 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
609 * integrate.c (expand_inline_function): Add necessary check for NULL.
611 1999-11-18 Nick Clifton <nickc@cygnus.com>
613 * toplev.c (main): Correctly detect an unrecognised option.
615 * cppinit.c (cpp_handle_option): Do not claim to have consumed
616 a -f option if it has not been recognised.
618 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
620 * basic-block.h (update_life_extent): Remove trailing comma on
621 enumeration type list.
623 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
625 * varasm.c (output_constructor) Solved problem with long long
626 bitfields. Corrected calculating this_time and shift. Also
627 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
629 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
631 * flow.c (split_edge): Take looping structure into account when
632 determining where to put the new block note.
634 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
636 * Makefile.in (ggc-none.o): Provide host specific version if
639 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
641 * cse.c (delete_trivially_dead_insns): Identify no-op insns
642 containing subregs too.
644 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
646 * invoke.texi: Add documentation for -muninit-const-in-rodata.
647 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
648 (TARGET_UNINIT_CONST_IN_RODATA): Define.
649 (text_section): Add switches -munint-const-in-rodata and
650 -mno-uninit-const-in-rodata.
651 (ASM_OUTPUT_COMMON): Remove.
652 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
653 const objects should be placed in read-only data. Otherwise declare
656 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
658 * jump.c (jump_optimize_1): Revert last change.
660 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
662 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
663 test if optimizing for size.
665 1999-11-17 Mark Mitchell <mark@codesourcery.com>
667 * Makefile.in (toplev.o): Depend on except.h.
668 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
670 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
672 * i386.md (divmodsi4): Rewrite to expander.
673 (*divmodsi4_nocltd): New.
674 (*divmodsi4_cltd): New.
675 (divmodsi4 splitter): Handle the case when input comes in edx.
676 (udivmodhi4): Do not use constraints in exander.
677 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
679 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
681 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
684 1999-11-16 Jakub Jelinek <jakub@redhat.com>
686 * explow.c (hard_function_value): Add outgoing argument.
687 * expr.h (hard_function_value): Declare it.
688 * calls.c (expand_call, emit_library_call_value): Update callers.
689 * function.c (aggregate_value_p): Ditto.
690 (diddle_return_value): Must look at the outgoing registers
691 on archs with register windows.
693 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
695 * alpha.c (alpha_build_va_list): Use make_lang_type and
696 initialize TYPE_NAME for the va_list record.
698 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
700 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
702 * ggc.h (struct ggc_statistics): Rearrange elements for better
703 packing on 64-bit hosts.
704 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
705 (compute_nearerout): Likewise.
707 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
709 * config/rs6000/rs6000.c (first_reg_to_save): Save
710 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
712 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
714 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
715 notion of nesting to find the DIE for a type or function.
716 DIEs can go in limbo even if we got a context_die.
717 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
718 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
720 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
721 (gen_type_die): Writing out the context doesn't cause member class
722 template instantiations to be written out as well.
724 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
726 * rs6000.h (ASM_OUTPUT_DEF): New.
727 Based on proposed addition from David Edelsohn.
729 1999-11-15 Robert Lipe <RobertLipe@usa.net>
730 Bruce Korb <autogen@linuxbox.com>
732 * fixinc/inclhack.def
733 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
734 (unixware7_byteorder_fix): added. Removes conflicts for new defs
736 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
737 (svr4_endian): enabled with SVR5
738 (svr4_mkdev): simplified syntax and enabled with SVR5
740 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
742 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
743 * configure: Rebuilt.
744 * config/t-freebsd-thread: New file.
746 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
748 * i386.c (ix86_decompose_address): Verify the base is a REG
749 before trying to examine its register number.
751 * basic-block.h: Remove all #defines and prototypes related to
753 (free_bb_mem, compute_preds_succs): Remove prototype.
754 * rtl.h (free_bb_mem): Remove prototype.
755 * flow.c (alloc_int_list_node); Remove function.
756 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
757 (compute_preds_succs, free_bb_mem): Likewise.
758 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
759 * toplev.c (rest_of_compilation): Likewise.
760 * haifa-sched.c (build_control_flow): Use flow generated edge
761 list to build the haifa specific edge list.
762 (find_rgns): Use new CFG data structures instead of pred/succ lists.
763 (schedule_insns): Do not build pred/succ lists anymore. Instead
764 build the edge table.
766 * basic-block.h (dump_bb_data): Remove declaration.
767 * flow.c (dump_bb_data): Remove function.
768 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
769 (sbitmap_union_of_predsucc): Likewise.
771 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
772 argument. All callers changed.
773 (delete_null_pointer_checks_1): No longer need to compute the
776 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
778 (pre_expr_reaches_here_p_work): Likewise.
779 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
780 * lcm.c (compute_laterin): Fix initialization of LATER.
781 (compute_nearerout): Similarly for NEARER.
783 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
785 * cse.c (set_nonvarying_address_components): Delete unused function.
786 (refers_to_p): Likewise.
788 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
790 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
793 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
795 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
796 definition in do while (0).
798 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
800 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
802 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
804 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
806 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
808 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
809 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
810 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
811 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
813 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
814 saved on the stack. Output more accurate stack frame statistics
817 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
819 * genextract.c (record_insn_name): New function.
820 (get_insn_name): No longer a stub.
821 (main): Call record_insn_name for each insn. After each label
822 written, print the insn name in a comment.
824 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
826 * output.h (const_section, init_section, fini_section): Add
829 * alpha/elf.h (const_section): Delete declaration.
831 * svr4.h (const_section): Likewise.
833 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
835 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
836 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
837 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
839 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
840 variable-sized array bounds.
842 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
844 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
847 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
849 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
850 addresses the same way GO_IF_LEGITIMATE_INDEX does.
852 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
854 * cse.c (hash_arg_in_struct): Delete.
855 (struct table_elt): Delete elt in_struct.
856 (struct set): Delete elt src_in_struct.
857 (merge_equiv_classes): Don't set either hash_arg_in_struct or
858 the corresponding in_struct elts.
859 (canon_hash): Likewise.
860 (safe_hash): Likewise.
861 (find_best_addr): Likewise.
862 (record_jump_cond): Likewise.
863 (cse_insn): Likewise.
865 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
867 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
869 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
872 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
874 * function.c (diddle_return_value): Put back check that the DECL_RTL
875 for the function is a register.
877 * function.c (diddle_return_value): Use hard_function_value to
878 get an rtx suitable for use in the USE/CLOBBER insn.
880 * global.c (global_conflicts): Update comments.
881 (record_conflicts): No need to record conflicts between pseudos here.
883 1999-11-11 Bruce Korb <autogen@linuxbox.com>
885 * fixinc/fixincl.c: Added verbose levels for status messages
887 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
889 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
890 operand as argument to expand_and or expand_binop.
892 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
894 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
897 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
899 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
901 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
903 * flow.c (compute_flow_dominators): Initially put all blocks on
905 * lcm.c (compute_antinout_edge, compute_available): Similarly.
906 * gcse.c (compute_cprop_avinout): Remove.
907 (compute_cprop_data): Use compute_available.
908 (delete_null_pointer_checks_1): Use compute_available.
910 * basic-block.h (compute_available): Returns a void now.
911 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
912 to return a value anymore.
913 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
914 worklists. Fix boundary cases. Compute maximal solutions.
915 (compute_laterin, compute_nearerout): Similarly.
917 * dwarf2out.c (add_AT_location_description): Allow
918 (mem (plus (pseudo) (...)) too.
920 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
922 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
924 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
925 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
927 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
929 * gansidecl.h: Likewise.
935 * toplev.h: Likewise.
941 * varray.c: Likewise.
943 * varray.h: Likewise.
945 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
947 * gcov.c (struct arcdata): Add hits and total, remove prob.
948 (output_branch_counts): New.
949 (process_args): Set output_branch_counts if -c.
950 (calculate_branch_probs): Store hits and total instead of
952 (output_data): Emit counts if output_branch_counts is true.
953 * gcov.texi (Invoking Gcov): Document -c switch..
955 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
957 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
958 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
960 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
962 * invoke.texi (C Dialect Options): Add missing builtins from
964 * extend.texi (Other Builtins): Copy to this list.
966 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
968 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
969 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
972 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
974 * flow.c (compute_flow_dominators): No longer treat basic block 0
975 or (n_basic_blocks - 1) specially. Clear the AUX field before
976 starting computation of doms/pdoms. Fix initial state for pdoms.
978 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
980 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
981 match rtl.o's: added ggc.h and toplev.h
982 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
983 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
984 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
986 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
988 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
989 from HAVE_DOS_BASED_FILESYSTEM.
990 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
991 HAVE_DOS_BASED_FILESYSTEM.
993 (split_directories): Only special-case DOS file names if
994 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
995 instead of explicit tests. Conditionalize on !VMS.
996 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
997 tests. Conditionalize on !VMS.
998 (process_command): Only use make_relative_prefix if !VMS.
999 (free_split_directories): Conditionalize on !VMS.
1000 (DIR_UP): Conditionalize on !VMS.
1002 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
1004 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
1006 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1008 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
1011 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
1013 * invoke.texi (Environment Variables): Document relative path
1015 * gcc.c (DIR_UP): If not defined, define as "..".
1016 (standard_bindir_prefix): New static, holds target location to
1018 (split_directories): New function to split a filename into
1019 component directories.
1020 (free_split_directories): New function, release memory allocated
1021 by split_directories.
1022 (make_relative_prefix): New function, make a relative pathname if
1023 the compiler is not in the expected location.
1024 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
1025 can figure out an appropriate prefix from argv[0].
1026 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
1027 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
1028 STANDARD_BINDIR_PREFIX.
1030 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1032 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
1034 * config/c4x/c4x.h: Moved prototypes to c4x.h.
1035 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
1036 c4x_secondary_memory_needed) Delete.
1037 (fp_zero_operand): Add mode argument.
1039 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
1041 * reload1.c (reload_reg_free_for_value_p): Don't use a register
1042 that is in reload_reg_used.
1044 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
1046 * config/arm/arm-protos.h: New file: Prototypes for functions
1047 defined in arm.c and pe.c.
1048 * config/arm/arm.h: Fix compile time warnings.
1049 * config/arm/arm.c: Fix compile time warnings.
1050 * config/arm/pe.h: Fix compile time warnings.
1051 * config/arm/aout.h: Fix compile time warnings.
1053 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
1055 * config/m32r/m32r-protos.h: New file: Prototypes for functions
1058 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
1059 Add support for subtargets.
1060 Add prototypes for new predicates.
1061 Add scheduling macros.
1063 * config/m32r/m32r.c: Fix compile time warnings.
1064 (int8_operand): New predicate function.
1065 (reg_or_cmp_int16_operand): New predicate function.
1066 (extend_operand): New predicate function.
1067 (m32r_adjust_code): New scheduling function.
1068 (m32r_adjust_priorty): New scheduling function.
1069 (m32r_sched_init): New scheduling function.
1070 (m32r_sched_reorder): New scheduling function.
1071 (m32r_sched_variable_issue): New scheduling function.
1072 (direct_return): New codegen function.
1073 (m32r_not_same_reg): New rtl testsing function.
1075 * config/m32r/m32r.md: Fix compile time warnings.
1076 Add support for pre decrement and post increment memory
1081 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1083 * global.c (EXECUTE_IF_CONFLICT): Don't define.
1084 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
1085 (find_reg): Likewise.
1087 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
1089 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
1090 to avoid assembler errors.
1092 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
1094 * config/v850/v850-protos.h: New file: Prototypes for functions
1096 * config/v850/v850.h: Move prototypes to v850-protos.h
1097 * config/v850/v850.c: Move prototypes to v850-protos.h
1098 * config/v850/v850.md: Fix compile time warnings.
1100 * config/fr30/fr30-protos.h: New file: Prototypes for functions
1102 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
1103 * config/fr30/fr30.c: Fix compile time warnings.
1104 * config/fr30/fr30.md: Fix compile time warnings.
1106 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
1108 * tree.h (get_containing_scope): Declare it.
1109 * tree.c (get_containing_scope): New fucntion.
1110 (decl_function_context): Use it.
1111 * toplev.c (rest_of_compilation): Use get_containing_scope.
1113 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1115 * Makefile.in (rtl.o): Depend on toplev.h.
1117 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
1119 * cse.c (delete_trivially_dead_insns): Replace alloca with
1121 * except.c (update_rethrow_references): Likewise.
1122 (init_eh_nesting_info): Likewise.
1123 * function.c (identify_blocks): Likewise.
1124 * gcse.c (dump_hash_table): Likewise.
1125 * graph.c (print_rtl_graph_with_bb): Likewise.
1126 * loop.c (combine_movables): Likewise.
1127 (move_movables): Likewise.
1128 (count_loop_regs_set): Likewise.
1129 (strength_reduce): Likewise.
1130 * profile.c (compute_branch_probabilities): New function, split
1132 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
1133 * regclass.c (regclass): Likewise.
1134 * regmove.c (regmove_optimize): Likewise.
1135 * toplev.c (compile_file): Likewise.
1136 (main): Don't mess with the stack rlimit.
1138 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
1140 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
1141 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
1143 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
1145 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
1147 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
1149 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
1150 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
1153 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
1155 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
1157 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
1159 * gcse.c (post_dominators): Kill.
1160 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
1161 (compute_code_hoist_data): Use compute_flow_dominators. Do not
1162 pass in a pdom array since we do not need pdoms.
1163 * haifa-sched.c (schedule_insns): Similarly.
1164 * flow.c (compute_dominators): Remove dead function.
1165 (compute_flow_dominators): Do not compute doms or pdoms if the
1166 caller does not request them. Split up loop to build doms and
1167 pdoms. Use a worklist to compute doms and pdoms.
1168 * basic-block.h (compute_dominators): Remove prototype.
1170 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
1172 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
1173 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
1174 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
1175 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
1176 (cant_move, fed_by_spec_load, is_load_insn): Remove.
1177 (schedule_region): Remove unused variable.
1178 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
1180 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
1182 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
1183 (update_equiv_regs): Likewise.
1184 (block_alloc): Likewise.
1185 * reg-stack.c (reg_to_stack): Likewise.
1186 (convert_regs_2): Likewise.
1187 * reload1.c (reload_as_needed): Likewise.
1189 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
1191 * Makefile.in (dbxout.o): Depend on ggc.h.
1192 (dwarf2out.o): Likewise.
1193 (xcoffout.o): Likewise.
1194 * dbxout.c: Include ggc.h.
1195 (dbxout_init): Register lastfile as a root.
1196 * dwarf2out.c: Include ggc.h.
1197 (dwarf2out_line): Register lastfile as a root.
1198 * xcoffout.c: Include ggc.h.
1199 (xcoffout_source_line): Register xcoff_lastfile as a root.
1201 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
1203 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
1205 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
1207 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
1209 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1211 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1213 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
1214 (EXECUTE_IF_CONFLICT): Likewise.
1215 (ALLOCNO_LIVE_P): Avoid signed division.
1216 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
1217 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
1218 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
1220 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
1222 * haifa-sched.c (schedule_block): Don't crash if there's no
1223 next insn for an interblock movement.
1224 (add_branch_dependences): Don't allow clobber insns to move either.
1226 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
1228 * i386.c (split_xf): New.
1229 * i386-protos.h: Declare it.
1230 * i386.md (movxf_1): Add general regs alternatives.
1231 (movxf_1+1): New splitter for same.
1233 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
1235 * function.c (purge_addressof_1): Add missing return values.
1237 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
1239 * function.c (is_addressof): New function. Returns true if
1240 the given piece of RTL is an ADDRESSOF.
1241 (purge_addressof_1): Make boolean. Return false if the
1242 ADDRESSOFs could not be purged.
1243 (purge_addressof): If ADDRESSOFs could not be purged from the
1244 notes attached to an insn, remove the offending note(s),
1245 unless they are attached to a libcall.
1247 1999-11-05 Andreas Jaeger <aj@suse.de>
1249 * genoutput.c (null_operand =): Initialize all fields.
1251 * errors.h: Add extern to prototypes.
1253 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
1255 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
1256 * configure: Rebuilt.
1258 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1260 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
1261 (mirror_conflicts): New function.
1262 (global_alloc): Call it.
1263 (expand_preferences): Remove redundant CONFLICTP test.
1264 (find_reg, dump_conflicts): Likewise.
1265 (prune_preferences): Process conflicts one word at a time.
1267 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
1269 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
1270 instead of an explicit loop.
1272 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
1274 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
1275 if REG_RETVAL check succeeds, then put classp in src_elt.
1277 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
1279 * function.c (pad_to_arg_alignment): Only update argument_pad
1280 if the argument's alignment is greater than STACK_BOUNDARY.
1282 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
1284 * bitmap.h (BITMAP_XFREE): New.
1285 * flow.c (life_analysis): Use it.
1286 (life_analysis_1): Free blocks.
1288 * combine.c (undo_commit): New.
1289 (try_combine): Use it. Don't zap undobuf.undos.
1290 (combine_instructions): Don't zap undobuf.undos; free the
1293 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
1295 * stmt.c (cost_table_): New.
1296 (estimate_case_costs): Use it instead of xmalloc.
1298 * toplev.c (compile_file): Reuse dumpname memory instead
1301 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
1303 * reg-stack.c (convert_regs_1): Initialize target_stack->top
1304 after verifying an EH edge.
1306 * haifa-sched.c (init_rgn_data_dependences): Correctly
1307 size bb_pending_lists_length when zeroing.
1309 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
1311 * function.c (diddle_return_value): New.
1312 (expand_function_end): Use it.
1313 * stmt.c (expand_null_return): Likewise.
1314 (expand_value_return): Likewise.
1316 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
1318 * reload1.c (reload): Don't remove return value clobbers.
1320 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
1322 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
1324 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
1326 * cse.c (cse_main): Use xmalloc, not alloca.
1327 (cse_basic_block): Likewise.
1328 * local-alloc.c (local_alloc): Likewise.
1330 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
1331 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1333 * rtl.c: Include toplev.h.
1334 (fatal): Remove declaration.
1336 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
1338 * haifa-sched.c (schedule_block): Fix thinko.
1340 1999-11-03 James McKelvey <mckelvey@fafnir.com>
1342 * fixinc/fixincl.c(create_file): Allow for systems that do not have
1343 S_IR* defined values
1345 1999-11-03 Philippe De Muyter <phdm@macqel.be>
1347 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
1348 call `malloc' instead.
1350 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
1352 * flags.h (flag_renumber_insns): Declare.
1353 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
1355 * rtl.h (renumber_insns): Change prototype.
1356 * toplev.c (flag_renumber_insns): Define.
1357 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
1359 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
1361 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
1362 and fpsqrtd. Use them and create fdiv function unit to more
1363 accurately represent fpu sqrt pipeline semantics on UltraSparc.
1364 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
1366 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
1368 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
1370 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
1371 insn into ready list, do not use just a raw swap.
1373 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
1375 * rtl.h (renumber_insns): New function.
1376 (remove_unnecessary_notes): Likewise.
1377 * emit-rtl.c (renumber_insns): Define.
1378 (remove_unncessary_notes): Likewise.
1379 * toplev.c (rest_of_compilation): Remove dead code.
1380 Use renumber_insns and remove_unncessary_notes.
1382 * gcse.c (struct null_pointer_info): New type.
1383 (get_bitmap_width): New function.
1384 (current_block): Remove.
1385 (nonnull_local): Likewise.
1386 (nonnull_killed): Likewise.
1387 (invalidate_nonnull_info): Take a null_pointer_info as input.
1388 (delete_null_pointer_checks_1): New function.
1389 (delete_null_pointer_checks): Use it.
1391 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
1392 (split_edges): Likewise.
1393 (schedule_block): Likewise.
1394 (compute_block_backward_dependencies): Likewise.
1395 (schedule_region): Likewise.
1396 (schedule_insns): Likewise.
1398 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
1400 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
1401 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
1402 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
1403 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
1404 * jump.c (delete_unreferenced_labels): Don't delete if
1405 LABEL_ALTERNATE_NAME is set.
1406 * print-rtl.c (print_rtx): Dump alternate name.
1407 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
1408 * rtl.h (LABEL_ALTERNATE_NAME): Define.
1409 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
1410 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1412 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1414 * fix-header.c (recognized_extern, recognized_function): Constify
1417 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1418 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1419 (compute_available): Remove unused variable `last'.
1420 (compute_nearerout): Remove unused variable `temp_bitmap'.
1421 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1422 Remove unused variable `x'.
1424 * scan.h (recognized_function, recognized_extern): Constify a
1427 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1429 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1431 * varasm.c (decode_rtx_const): Use XSTR to access the string
1434 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1436 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1438 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1440 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1442 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1444 * pa.c (ireg_operand): New function.
1445 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1446 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1447 Fix out of date comment.
1449 * pa.md (negdi2): Turn into expander + anonymous pattern.
1451 * reload.c (find_reloads): Fix typos in recent change.
1453 * dwarf2out.c: Do not include ctype.h.
1455 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1457 * regclass.c (record_reg_classes): Always use may_move_cost when
1458 seeing how operand fits with various register classes.
1460 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1462 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1463 * toplev.c: Revert Nov 1 13:22 change.
1465 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1467 * config/pa/pa.md (height reduction patterns): Add checks for
1468 overlapping operands to avoid semantic-destroying splits for
1469 height reduction patterns.
1471 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1473 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1474 have been an hyphen, fixed.
1475 * configure: Rebuilt.
1477 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1479 * config/arm/tpe.h: Add prototypes for exported functions.
1480 * config/arm/pe.c: Fix compile time warnings.
1481 * config/arm/semi.h: Fix compile time warnings.
1482 * config/arm/arm.c: Fix compile time warnings.
1483 * config/arm/arm.h: Fix compile time warnings.
1484 * config/arm/arm.md: Fix compile time warnings.
1485 * config/arm/thumb.c: Fix compile time warnings.
1486 * config/arm/thumb.h: Fix compile time warnings.
1487 * config/arm/thumb.md: Fix compile time warnings.
1489 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1491 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1494 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1495 completely unrolled.
1497 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1499 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1501 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1503 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1504 * rtl.h (rtx_equal_p): Move prototype.
1505 * rtl.c (rtx_equal_function_value_matters): Move from
1507 (rtx_equal_p): Likewise.
1508 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1509 (rtx_equal_p): Likewise.
1511 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1513 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1516 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1518 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1520 * pa.h (ADDR_VEC_ALIGN): Define.
1522 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1523 notes when presented with "if (foo) break; end_of_loop" and
1524 the break sequence gets moved out of the loop.
1526 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1527 Remove explicit zero initializations of entries within MAP.
1529 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
1531 * reg-stack.c (convert_regs_1): Handle EH edges specially.
1533 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
1535 * bitmap.h (BITMAP_XMALLOC): New macro.
1536 * flow.c (CLEAN_ALLOCA): Remove.
1537 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
1538 (life_analysis): Likewise.
1539 (update_life_info): Don't use CLEAN_ALLOCA.
1540 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
1541 (calculate_global_regs_live): Likewise.
1542 (print_rtl_with_bb): Likewise.
1543 (verify_flow_info): Likewise.
1544 * global.c (global_alloc): Likewise.
1545 (global_conflicts): Likewise.
1546 * integrate.c (save_for_inline_nocopy): Likewise.
1547 (expand_inline_function): Likewise.
1548 * jump.c (jump_optimize_1): Likewise.
1549 (duplicate_loop_exit_test): Likewise.
1550 (thread_jumps): Likewise.
1551 * loop.c (loop_optimize): Likewise.
1552 (combine_givs): Likewise.
1553 (recombine_givs): Likewise.
1554 * reorg.c (dbr_schedule): Likewise.
1555 * unroll.c (unroll_loop): Likewise.
1557 * combine.c (combine_instructions): Use xmalloc instead of alloca.
1559 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
1561 * toplev.c (rest_of_compilation): Don't optimize the CFG
1562 when rebuilding, just before dbr.
1564 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1566 * output.h (assemble_end_function, assemble_destructor,
1567 assemble_constructor, assemble_gc_entry, assemble_global,
1568 assemble_label, output_constant_pool) Constify a char*.
1570 * varasm.c (assemble_destructor, assemble_constructor,
1571 assemble_gc_entry, assemble_end_function, assemble_global,
1572 assemble_label, output_constant_pool): Likewise.
1574 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
1576 * config/arm/thumb.c (thumb_expand_prologue): Add comments
1577 explaining what is goin on in this function.
1579 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1581 * regclass.c (record_reg_classes): In matching case, recompute
1582 costs since the direction of movement is different.
1584 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1586 * resource.c (mark_target_live_regs): For unconditional branches,
1587 the resources found at the branch target should be added to the
1588 resources found so far, not intersected.
1590 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
1592 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
1594 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
1595 (sys/mman.h): Include this file only if #HAVE_MMAP.
1596 (run_compiles): Initialize `esac_fmt' with one old KR string, not
1597 with automatically concatenated ANSI strings.
1599 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
1601 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
1602 (DIV_ROUND_UP): Robustify.
1603 (ggc_recalculate_in_use_p): New function.
1604 (release_pages): Don't inline it.
1605 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
1607 (ggc_pop_context): Use ggc_recalculate_in_use_p.
1608 (clear_marks): Always save in_use_p.
1609 (sweep_pages): Use ggc_recalculate_in_use_p.
1610 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
1611 Release pages before counting statistics.
1613 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
1615 * toplev.c (rest_of_compilation): Fix thinko in this change:
1617 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1619 (rest_of_compilation): If inside an inlined external function,
1620 pretend we are just being declared.
1622 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
1624 * flow.c (calculate_global_regs_live): Fix thinko.
1626 * integrate.c (expand_inline_function): Fix bugs in previous
1627 change from Oct 28, 1999.
1629 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
1631 * stmt.c (expand_value_return): Fix typo in this change:
1633 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1634 (expand_value_return): Correctly convert VAL when promoting function
1635 return; support RETURN_REG being a PARALLEL.
1637 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
1639 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
1641 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1643 * hard-reg-set.h (reg_names): Constify a char*.
1645 * regclass.c (reg_names): Likewise.
1647 * regs.h (reg_names): Likewise
1649 * a29k/a29k.c (reg_names): Delete declaration.
1651 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
1653 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
1654 arc_output_function_epilogue): Likewise.
1656 * elxsi/elxsi.c (reg_names): Likewise.
1658 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
1660 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
1663 * m88k/m88k.c (output_function_profiler): Likewise.
1665 * sparc/sparc.c (sparc_flat_output_function_prologue,
1666 sparc_flat_output_function_epilogue): Likewise.
1668 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
1670 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
1671 warning from -Wuninitialized and put it under -W.
1672 * function.c (uninitialized_vars_warning): Warn only when the
1673 corresponding flag is set.
1675 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
1677 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
1678 is nonzero and the single set does not have an elt, then assign
1681 * simplify-rtx.c: New file.
1682 * Makefile.in (OBJS): Add simplify-rtx.o
1683 (simplify-rtx.o): Add dependencies.
1684 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
1685 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
1686 (cse_gen_binary, simplify_unary_operation): Delete.
1687 (simplify_binary_operation, simplify_plus_minus): Likewise.
1688 (check_fold_consts, simplify_relation_operation): Likewise.
1689 (simplify_ternary_operation): Likewise.
1690 (delete_trivially_dead_insns): Simplify the contents of the
1691 REG_EQUAL note before trying to substitute it into the source
1692 of the reg-reg copy at the end of a libcall sequence.
1694 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
1695 references/callers changed.
1697 * mn10200.c (mn10200_va_arg): Force the return value into a
1700 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
1702 * cccp.c (macroexpand): Avoid out of range accesses for omitted
1705 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
1707 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
1709 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
1711 * fold-const.c (fold): Fix thinko when optimizing comparisons
1714 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
1716 * gcc.texi (Passes): Update front-end files to their current
1719 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
1721 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
1722 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1723 (PREDICATE_CODES): Add addition_operation.
1724 * alpha-protos.h (addition_operation): Declare.
1725 (secondary_reload_class): Likewise.
1726 * alpha.c (addition_operation): New.
1727 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
1728 * alpha.md (adddi3): Turn into expander.
1729 (*lda, *adddi_2): New.
1730 (movsf, movdf patterns): Don't preference integer regs.
1731 (movsi, movdi patterns): Don't preference fp regs.
1733 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
1735 * genrecog.c (write_switch): Check for duplicate CODE cases.
1737 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
1739 * ggc-common.c: Update pre-function commentary.
1740 * ggc-page.c: Likewise.
1742 (poison_pages): Use memset directly.
1743 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
1744 (ggc_collect): Poison before sweeping.
1745 * ggc-simple.c: Update pre-function commentary.
1746 (ggc_alloc_obj): Poison non-zeroed memory.
1748 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
1750 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
1751 match format string, even on 64-bit hosts.
1752 * gcc-page.c (ggc_page_print_statistics): Likewise.
1754 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
1756 * config/i386/i386.c (ix86_cpu): Revert last patch.
1757 * config/i386/i386.h (ix86_cpu): Ditto.
1759 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
1761 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
1762 TYPE_SIZE, convert type of result to sizetype.
1764 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
1766 * flow.c (count_or_remove_death_notes): Equate NULL with the
1769 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
1770 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
1773 * i386.c (pic_label_no): Delete.
1774 (ix86_attr_length_default): Don't use single_set to peek
1777 * recog.c (peephole2_optimize): Allow recog_next_insn to index
1778 the first insn after bb->end.
1779 * i386.md (push mem peeps): Scratch is live after evaluation
1781 (cmp mem peep): Similarly.
1783 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
1785 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
1786 * function.c (pad_to_arg_alignment): Add missing braces.
1788 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1790 * alpha/alpha-protos.h (literal_section): Add prototype.
1791 (alpha_need_linkage, alpha_start_function,alpha_end_function):
1794 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
1796 (alpha_start_function, alpha_end_function, float_strings,
1797 alpha_need_linkage): Constify a char*
1799 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
1801 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1803 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1805 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1807 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1809 * flow.c (debug_flow_info): Add prototype.
1811 * gcc.c (main): Likewise.
1813 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
1816 * reload1.c (failed_reload, set_reload_reg): Likewise.
1818 * mips-tfile.c (main): Likewise.
1819 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
1820 with ATTRIBUTE_NORETURN.
1822 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
1824 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
1825 DECL is not a memory ref.
1827 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
1829 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
1830 * config/i386/i386.c (ix86_cpu): Add extern attribute.
1832 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
1834 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
1835 * config/mips/elf64.h: ditto.
1837 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
1839 * expr.c (emit_push_insn): New argument alignment_pad.
1840 Update all callers. Adjust stack pointer based on alignment pad.
1841 * function.c (pad_to_arg_alignment): New argument alignment_pad.
1842 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
1843 (locate_and_pad_parm): New argument alignment_pad. Update all
1845 * expr.h (emit_push_insn): Update prototype.
1846 (locate_and_pad_parm): Update prototype.
1847 * calls.c (arg_data): Add new field alignment_pad.
1848 (initialize_argument_information): Initialize alignment_pad.
1850 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
1852 * except.c (free_eh_nesting_info): Free the info itself.
1853 * function.c (free_after_compilation): Don't free NULL.
1854 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
1855 (pre_edge_insert): Free inserted.
1856 * stmt.c (free_stmt_status): Don't free NULL.
1858 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1860 * gcov.c (DIR_SEPARATOR): Provide default.
1861 (output_data): Add test for MS-DOS format absolute filename.
1862 (fancy_abort): Correct program name.
1863 (open_files): Open all files in binary mode.
1864 * libgcc2.c (__bb_exit_func): Likewise.
1866 * profile.c (init_branch_prob): Specify binary when opening files.
1868 * flags.h (flag_unwind_tables): New decl.
1869 * toplev.c (flag_unwind_table): New definition.
1870 (f_options): Add -funwind-tables.
1871 (decode_g_option): Clarify warning when unknown -g option is given.
1872 (rest_of_compilation): If inside an inlined external function,
1873 pretend we are just being declared.
1875 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
1876 (dwarf2out_frame_finish): Likewise.
1878 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
1880 * fold-const.c (merge_ranges): In not in0, but in1, handle
1881 upper bounds equal like subset case.
1883 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
1885 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
1886 passed in a register but moved to the stack.
1888 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
1890 * gcc.c (pass_exit_codes, greatest_status): New variables.
1891 (struct option_map): Add entry for "--pass-exit-codes".
1892 (execute): Update greatest_status if error.
1893 (display_help): Add documentation for -pass-exit-codes.
1894 (process_command): Handle -pass-exit-codes.
1895 (main): Look at pass_exit_codes and greatest_status on call to exit.
1897 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1899 * reload.c (find_reloads): Refine test for no input reload
1900 case to not includes reloads emitted after insn.
1902 * function.c (find_temp_slots_from_address): Handle sum involving
1903 a register that points to a temp slot.
1904 (update_temp_slot_address): Make recursive call if both old and
1905 new are PLUS with a common operand.
1906 * calls.c (expand_call): Mark temp slot for result as having
1909 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
1911 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
1912 component as well as "BINUTILS".
1914 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
1915 * integrate.c (copy_rtx_and_substitute): Likewise.
1916 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
1917 All callers changed.
1918 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
1920 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
1921 gdb extensions, write size of type; also be more consistent
1922 in using references when this is a subtype.
1924 * pa.md (extv, extzv, insv): Use define_expand to reject constant
1925 that is out of range.
1927 * loop.c (unknown_constant_address_altered): New variable.
1928 (prescan_loop): Initialize it.
1929 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
1930 (invariant_p, case MEM): Remove handling for volatile and readony;
1931 check new variable if readonly.
1932 (check_dbra_loop): Chdeck unknown_constant_address_altered.
1934 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
1935 (addr_affects_sp_p): Removed from note_mem_written and only
1936 define #ifdef AUTO_INC_DEC.
1938 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
1940 * regclass.c (record_reg_classes): Properly handle register move
1943 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
1944 Don't think valid if both operands are invalid.
1945 (struct constant_descriptor): New field RTL.
1946 (mark_const_hash_entry): Mark it.
1947 (record_constant{,_rtx}): Initialize it.
1948 (output_constant_def): Allocate RTL in permanent obstack and
1950 ({record,compare}_constant_1): Modes must match for
1951 CONSTRUCTOR of ARRAY_TYPE.
1953 * c-common.h (initializer_constant_valid_p): Delete decl from here.
1954 * output.h (initializer_constant_valid_p): Move decl to here.
1955 * c-common.c (initializer_constant_valid_p): Delete function from here.
1956 * varasm.c (initializer_constant_valid_p): Move function to here.
1958 * tree.h (STRIP_SIGN_NOPS): New macro.
1959 * fold-const.c (optimize_minmax_comparison): New function.
1960 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
1961 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
1962 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
1963 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
1964 widening conversions.
1965 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
1966 to look at size of mode, not precision of type; also add missing cases.
1967 (optimize_bit_field_compare, decode_field_reference): Don't try to
1968 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
1970 * dwarf2out.c (ctype.h): Include.
1971 (dwarf2out_set_demangle_name_func): New function.
1972 (size_of_line_info): Deleted.
1973 (output_line_info): Compute size of line info table from difference
1975 (base_type_die, add_name_attribute): Call demangle function, if any.
1976 (field_byte_offset): Use bits per word for variable length fields.
1977 (gen_array_type_die): Add array name.
1978 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
1979 (dwarf2out_add_library_unit_info): New function.
1981 * explow.c (set_stack_check_libfunc): New function.
1982 (stack_check_libfunc): New static variable.
1983 (probe_stack_range): Allow front-end to set up a libfunc to call.
1985 * combine.c (simplify_comparison): When making comparison in wider
1986 mode, check for having commuted an AND and a SUBREG.
1987 (contains_muldiv): New function.
1988 (try_combine): Call it when dividing a PARALLEL.
1989 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
1990 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
1992 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
1993 use one of the CLOBBERs instead.
1994 (if_then_else_cond): If comparing against zero, just return thing
1997 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
1998 Don't generate shifts and subtract if have conditional arithmetic.
2000 * rtl.h (delete_barrier): New declaration.
2001 * jump.c (jump_optimize): Set up to handle conditional call.
2002 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
2003 (delete_barrier): New function.
2005 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
2007 * recog.c (nonmemory_operand): Accept ADDRESSOF.
2009 * tree.c (build_type_attribute_variant): Push to obstack of
2010 ttype around type_hash_canon call.
2012 * expr.c (placeholder_list): Move decl to file scope.
2013 (expand_expr): Don't force access to volatile just because its
2015 If ignoring reference operations, just expand the operands.
2016 (expand_expr, case COMPONENT_REF): Propagate
2017 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
2018 Refine test for using bitfield operations vs pointer punning.
2019 (expand_expr, case CONVERT_EXPR): If converting to
2020 BLKmode UNION_TYPE from BLKmode, just return inner object.
2021 Use proper mode in store_field call.
2022 Properly set sizes of object to store and total size in store_field
2023 call for convert to union.
2024 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
2025 memory (like for ADDR_EXPR). Also, don't put constant in register if
2026 we'll want it in memory.
2027 (readonly_fields_p): New function.
2028 (expand_expr, case INDIRECT_REF): Call it if LHS.
2029 (expand_assignment): Handle a RESULT_DECL where
2030 DECL_RTL is a PARALLEL.
2031 (do_jump, case WITH_RECORD_EXPR): New case.
2032 (get_inner_reference): Always go inside a CONVERT_EXPR
2033 and NOP_EXPR if both modes are the same.
2034 (store_field): Use bitfield operations if size of bitsize is not same
2035 as size of RHS's type.
2036 Check for bitpos not a multiple of alignment in BLKmode case.
2037 Do block move in largest possible alignment.
2038 (store_constructor): Set BITSIZE to -1 for variable size and properly
2039 in case of array of BLKmode.
2040 (expand_expr_unaligned): New function.
2041 (do_compare_and_jump): Call it.
2043 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
2044 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
2045 does not include 'o'.
2047 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
2048 both SET_DEST and SET_SRC reference a virtual register.
2049 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
2051 * integrate.c (expand_inline_function): Handle case of setting
2052 virtual stack vars register (from built in setjmp); when parameter
2053 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
2054 (subst_constant): Add new parm, MEMONLY.
2055 (expand_inline_function, integrate_parm_decls): Pass new parm.
2056 (integrate_decl_tree): Likewise.
2057 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
2058 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
2059 (copy_rtx_and_substitute, case SET): Add explicit calls to
2060 copy_rtx_and_substitute for both sides.
2062 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
2064 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
2065 within INDEX_TYPE, instead of before.
2066 (fixup_gotos): Use f->target_rtl, not the next insn,
2067 since latter may be from a later fixup.
2068 (expand_value_return): Correctly convert VAL when promoting function
2069 return; support RETURN_REG being a PARALLEL.
2070 (expand_return): When checking for result in regs and having
2071 cleanup, consider PARALLEL in DECL_RTL as being in regs.
2073 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
2075 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
2076 last_nominal_fname): Mark const.
2077 (struct include_hash: name, nshort, control_macro): Mark
2079 (struct macrodef: symnam): Mark const.
2080 (struct if_stack: fname): Mark const.
2081 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
2082 (IStable): New character-syntax array which encompasses all
2083 the old is_foo arrays.
2084 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
2085 is_space): New macros for interrogating IStable.
2086 (check_macro_name): Kill last argument. All callers changed.
2088 * cppinit.c (initialize_char_syntax): Delete.
2089 (is_idchar, is_idstart, is_hor_space, is_space,
2090 trigraph_table): Delete.
2091 (IStable): New. Initialize with clever macros to avoid
2092 information duplication.
2093 (builtin_array): Table of builtins to get rid of explicit list
2094 in initialize_builtins.
2095 (initialize_builtins): Use builtins_array.
2096 (cpp_start_read): Call init_IStable, and set IStable['$'] if
2097 opts->dollars_in_ident.
2099 * cppexp.c: Change all refs to is_xyz[] arrays to use new
2101 (cpp_parse_expr): Avoid 'format string is not constant'
2102 warning. Use ISGRAPH to identify printable chars.
2103 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
2105 (read_and_prescan): Map trigraphs to chars with open-coded
2106 if-else-if-... sequence, not a lookup table.
2107 * cpphash.c: Change all refs to is_xyz[] arrays to use new
2109 * cpplib.c: Change all refs to is_xyz[] arrays to use new
2110 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
2111 (check_macro_name): Remove ability to report an invalid
2112 assertion name, which is never used.
2113 (do_line): Constify a couple of char *'s.
2114 * cppmain.c (main): Call cpp_cleanup before returning.
2116 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
2118 * ggc.h (struct ggc_statistics): New type.
2119 (ggc_get_size): New function.
2120 (ggc_print_statistics): Likewise.
2121 * ggc-common.c (ggc_stats): New variable.
2122 (ggc_mark_rtx_children): Keep statistics.
2123 (ggc_mark_tree_children): Likewise.
2124 (ggc_print_statistics): New function.
2125 * ggc-page.c (struct globals): Add bytes_mapped field.
2126 (alloc_anon): Update it.
2127 (release_pages): Likewise.
2128 (ggc_get_size): New function.
2129 (ggc_page_print_statistics): New function.
2130 * ggc-simple.c (ggc_get_size): New function.
2132 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
2134 * flow.c (propagate_block): When the last reference to a label
2135 before an ADDR_VEC is deleted because the reference is a dead
2136 store, delete the ADDR_VEC.
2138 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
2140 * resource.c (find_free_register): Don't use the frame pointer
2141 if frame_pointer_needed.
2143 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
2145 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
2146 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
2148 * config/i960/i960.c (i960_va_start): New locals base, num.
2149 Use INDIRECT_REF instead of ARRAY_REF on valist.
2150 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
2152 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
2154 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
2156 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
2158 * tree.def (PLACEHOLDER_EXPR): Update comments.
2160 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2162 * c-common.c (check_format_info): Avoid non-literal format string
2163 warnings when `first_arg_num' is zero.
2165 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2167 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
2169 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2171 * arm.md (casesi_insn): Add a clobber of the condition code
2174 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
2176 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
2177 used by both cc1 and cc1plus.
2179 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
2181 * config/arm/arm.c: Initialise arm_structure_size_boundary to
2182 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
2183 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
2184 to the value 32 if it has not already been defined.
2185 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
2186 Override definition in arm.h with a value of 8.
2188 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
2190 * c-pragma.c (push_alignment): Don't check the return value
2193 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
2195 * sparc.h (ADJUST_COST): Fix thinko.
2197 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
2199 * cccp.c (rescan): Fixed obp pointer handling around call to
2200 check_expand subroutine.
2202 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
2204 * gcse.c (delete_null_pointer_checks): Only record non-null info
2205 for pseudos when examining stores.
2207 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
2208 splitters for these patterns. Use "#" for output templates.
2209 (addsi3_carryin_shift): New pattern.
2211 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
2213 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
2214 of the function return register into a plain REG until
2215 after function inlining is done.
2217 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
2219 * jump.c (jump_optimize_1): If we did cross-jumping, and
2220 the data will matter, rebuild the CFG.
2221 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
2222 not optimizing. Don't run shorten_branches.
2223 * toplev.c (rest_of_compilation): Run shorten_branches after
2226 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
2228 * rtl.h (note_stores): Add additional paramter.
2229 * rtlanal.c (reg_set_p_1): Take additional paramter.
2230 (reg_set_last_1): Likewise.
2231 (reg_set_p): Adjust call to note_stores.
2232 (reg_set_last): Likewise.
2233 (note_stores): Pass data parameter to worker function.
2234 * alias.c (record_set): Take additional parameter.
2235 (init_alias_analysis): Pass it.
2236 * caller-save.c (mark_set_regs): Take additional parameter.
2237 (save_call_clobbered_regs): Pass NULL to note_stores.
2238 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
2240 (record_dead_and_set_regs_1): Likewise.
2241 (reg_dead_at_p_1): Likewise.
2242 (combine_instructions): Adjust calls to note_stores.
2243 (try_combine): Likewise.
2244 (record_dead_insn): Remove.
2245 (record_dead_and_set_regs): Adjust calls to note_stores.
2246 (reg_dead_at_p): Likewise.
2247 * cse.c (invalidate_skipped_set): Take additional parameter.
2248 (cse_check_loop_start): Likewise.
2249 (cse_check_loop_start_value): Remove.
2250 (cse_set_around_loop): Adjust calls to note_stores.
2251 * flow.c (notice_stack_pointer_modification): Take additional
2252 parameter. Remove duplicate declaration.
2253 (record_volatile_insns): Adjust calls to note_stores.
2254 * gcse.c (record_set_info): Take additional parameter.
2255 (record_last_set_info): Likewise.
2256 (invalidate_nonnull_info): Likewise.
2257 (record_set_insn): Remove.
2258 (compute_sets): Adjust calls to note_stores.
2259 (last_set_insn): Remove.
2260 (compute_hash_table): Adjust calls to note_stores.
2261 (insert_insn_end_bb): Likewise.
2262 (delete_null_pointer_checks): Likewise.
2263 * global.c (mark_reg_store): Take additional parameter.
2264 (mark_reg_clobber): Likewise.
2265 (reg_becomes_live): Likewise.
2266 (global_conflicts): Adjust calls to note_stores.
2267 (build_insn_chain): Likewise.
2268 * integrate.c (note_modified_parmregs): Take additional parameter.
2269 (mark_stores): Likewise. Make it static.
2270 (save_for_inline_nocopy): Adjust calls to note_stores.
2271 (try_constants): Likewise.
2272 * integrate.h (mark_stores): Remove declaration.
2273 * jump.c (mark_modified_reg): Take additional parameter.
2274 (thread_jumps): Adjust calls to note_stores.
2275 * local-alloc.c (validate_equiv_mem_from_store): Take additional
2277 (no_equiv): Likewise.
2278 (reg_is_set): Likewise.
2279 (validate_equiv_mem): Adjust calls to note_stores.
2280 (update_equiv_regs): Likewise.
2281 (block_alloc): Likewise.
2282 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
2283 (note_addr_stored): Take additional parameter.
2284 (note_set_pseudo_multiple_uses): Likewise.
2285 (record_initial): Likewise.
2286 (prescan_loop): Adjust calls to note_stores.
2287 (strength_reduce): Likewise.
2288 (check_dbra_loop): Likewise.
2289 * regmove.c (flags_set_1): Take additional paramter.
2290 (mark_flags_life_zones): Adjust calls to note_stores.
2291 * reload1.c (mark_not_eliminable): Take additional parameter.
2292 (forget_old_reloads_1): Likewise.
2293 (reload_cse_invalidate_rtx): Likewise.
2294 (reload_cse_check_clobber): Likewise.
2295 (reload_combine_note_store): Likewise.
2296 (move2add_note_store): Likewise.
2297 (reload): Adjust calls to note_stores.
2298 (reload_as_needed): Likewise.
2299 (emit_reload_insns): Likewise.
2300 (reload_cse_regs_1): Likewise.
2301 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
2302 (reload_combine): Adjust calls to note_stores.
2303 * resource.c (update_live_status): Take additional paramter.
2304 (mark_target_live_regs): Adjust calls to note_stores.
2305 * stupid.c (find_clobbered_regs): Take additional parameter.
2306 (stupid_life_analysis): Adjust calls to note_stores.
2308 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
2310 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
2313 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
2316 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
2317 of the variable arm_structure_size_boundary.
2319 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
2321 * alias.c (init_alias_analysis): Allocate reg_known_value and
2322 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
2324 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
2325 * cse.c (cse_main): Call end_alias_analysis.
2326 * haifa-sched.c (schedule_insns): Likewise.
2327 * local-alloc. (update_equiv_regs): Likewise.
2328 * reload1.c (reload_cse_regs): Likewise.
2330 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2332 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
2333 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
2334 mapping from MASK_FPU.
2336 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
2338 * sparc.md (call): Don't bound structure return size to 0xfff.
2340 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
2342 * resource.c (mark_target_live_regs): Check that the target
2343 insn wasn't created after compute_bb_for_insn.
2345 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
2347 * ggc-page.c (poison_pages): Don't be overzealous.
2349 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
2351 * alias.c: Update comments for ADDRESS.
2352 (nonlocal_reference_p): Look inside the ADDRESS to determine if
2353 it is a local memory reference.
2355 * c-typeck.c (build_function_call): Check that the built-in
2356 function is of class BUILT_IN_NORMAL before trying to recongize
2358 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
2359 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
2361 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
2363 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
2365 (pre_gcse): Likewise.
2366 (hoist_expr_reaches_here_p): Likewise.
2367 (hoist_code): Likewise.
2368 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
2370 (pre_expr_reaches_here_p_work): ... here.
2371 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
2373 (expr_reaches_here_p_work): ... here.
2375 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
2377 * resource.c (find_basic_block): Delete.
2378 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
2379 (init_resource_info): Call compute_bb_for_insn.
2381 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
2383 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
2384 with already adjacent blocks, but no fallthru.
2385 (merge_blocks_move_successor_nojumps): Simplify.
2386 (debug_flow_info): New.
2388 * toplev.c (rest_of_compilation): Open jump1 dump file before
2389 jump and close after, as opposed to just using dump_rtl.
2391 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2393 * reload.h (earlyclobber_operand_p): Declare.
2394 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
2395 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2396 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
2397 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
2399 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2400 Richard Henderson <rth@cygnus.com>
2402 * emit-rtl.c (emit_block_insn_before): New.
2403 (emit_block_insn_after): New.
2404 * basic-block.h: Declare them.
2406 * bitmap.h: Protect from multiple inclusion.
2408 * recog.c (scratch_operand): Handle VOIDmode correctly.
2410 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2412 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2413 * function.c (assign_parms): Likewise.
2414 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2416 * reg-stack.c (max_uid): Remove.
2417 (blocks, block_begin, block_end, block_drops_in): Remove.
2418 (block_stack_in, block_out_reg_set, block_number): Remove.
2419 (struct block_info_def, BLOCK_INFO): New.
2420 (enum emit_where): New.
2421 (current_block): New.
2422 (BLOCK_NUM): Remove.
2423 (mark_regs_pat, record_label_references): Remove.
2424 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2426 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2427 (reg_to_stack): Simplified test for existance of fp code. Use
2428 flow.c code. Call shorten_branches after cross-jump opt.
2429 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2430 Return false if the asm doesn't use stack regs. Don't do life
2431 analysis on the asm.
2432 (emit_pop_insn): Replace function pointer arg `when' with
2433 enum `where'. Update all callers.
2434 (change_stack): Likewise. Update basic block end.
2435 (emit_swap_insn): Use current_block->head to limit reverse search
2436 for start of block. Use emit_block_insn_after.
2437 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2438 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2439 structure assignment instead of bcopy.
2441 (convert_regs_entry, convert_regs_exit): New.
2442 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2443 Work on basic blocks and the CFG.
2444 (convert_regs): Use them.
2446 * i386.c (output_fix_trunc): Remove code for DImode input operand
2447 not at top-of-stack.
2448 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2450 (fix_truncdi_1): Allow any mode scratch.
2452 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2454 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2455 * linux.h, netbsd.h, vms.h: Not here.
2457 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2459 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2460 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2461 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2462 CONDITIONAL_REGISTER_USEAGE): Use them.
2463 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2464 gen_conditional_branch,override_options) : Use them.
2465 * config/mips/mips.md : Use them.
2467 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2469 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2471 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2473 * integrate.c (function_cannot_inline_p): Don't allow inlining
2476 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * c-parse.in (cast_expr): Constify.
2480 * cccp.c (special_symbol): Likewise.
2482 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2484 * dwarf2out.c (base_type_die): Likewise.
2486 * global.c (allocno_compare): Likewise.
2488 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2490 * regclass.c (fix_register): Likewise.
2492 * rtl.h (fix_register): Likewise.
2494 * stupid.c (stupid_reg_compare): Likewise.
2496 * toplev.c (decode_f_option): Likewise.
2498 * tree.c (build_complex_type): Likewise.
2500 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2502 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2504 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2506 * reload.c (find_reloads): Compute mode and nregs fields of all
2508 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2509 (calculate_needs): Use precomputed mode/nregs values.
2510 (allocate_reload_reg): Likewise.
2512 (failed_reload, set_reload_reg): ... new functions.
2513 (choose_reload_regs_init): New function, mostly broken out from...
2514 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2515 Also lose one #if 0 block.
2517 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2519 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2522 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2524 * tree.h (BLOCK_TYPE_TAGS): Remove.
2525 (BLOCK_END_NOTE): Likewise.
2526 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2527 (BLOCK_LIVE_RANGE_START): Likewise.
2528 (BLOCK_LIVE_RANGE_END): Likewise.
2529 (tree_block): Remove live_range_flag, live_range_var_flag, and
2530 type_tags. Remove end_note, live_range_start, and live_range_end.
2531 (remember_end_note): Remove prototype.
2532 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
2533 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
2535 * ggc-common.c (ggc_mark_tree_children): Don't mark
2536 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
2537 * integrate.c (adjust_copied_decl_tree): Remove.
2538 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
2539 * stmt.c (last_block_end_note): Remove.
2540 (init_stmt): Don't add a GC root for it.
2541 (expand_fixup): Don't set it.
2542 (remember_end_note): Remove.
2543 (expand_end_bindings): Don't set last_block_end_note.
2545 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2547 * reload1.c (reload_reg_free_for_value_p): Show
2548 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
2551 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
2553 * expmed.c (extract_bit_field): Allow for the case of non-integer
2554 objects that are smaller than a word (like SFmode on a 64-bit
2557 * loop.c (basic_induction_var): A non-integer variable which is
2558 being set by a paradoxical subreg is probably not a biv.
2560 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2562 * prefix.c (translate_name) Check for empty prefix string.
2564 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
2566 * Makefile.in (CPP_CROSS_NAME): New variable.
2567 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
2569 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
2570 names of the files to be uninstalled.
2572 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
2574 * collect2.c (IS_DIR_SEPARATOR): Define.
2575 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
2577 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
2580 * haifa-sched.c (add_dependence): Update the true dependency
2581 cache the first time we add a true dependence to the LOG_LINKS chain.
2583 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
2585 * fold-const.c (fold): Fix comment.
2587 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2589 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
2590 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
2591 dbxout_start_new_source_file, dbxout_source_file,
2592 dbxout_source_line, dbxout_finish, dbxout_type_fields,
2593 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
2595 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
2596 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
2597 (dbxout_block): Initialize variable `blocknum'.
2599 * dbxout.h (dbxout_init, dbxout_finish,
2600 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
2601 dbxout_args, dbxout_source_line): Constify a char*.
2603 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
2604 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
2605 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
2606 low_pc_attribute, high_pc_attribute, body_begin_attribute,
2607 body_end_attribute, comp_dir_attribute, sf_names_attribute,
2608 src_info_attribute, mac_info_attribute, producer_attribute,
2609 lookup_filename, generate_macinfo_entry, fundamental_type_code,
2610 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
2611 dwarfout_undef): Constify a char*.
2612 (add_incomplete_type, retry_incomplete_types): Add prototypes.
2614 * dwarfout.h (dwarfout_define, dwarfout_undef,
2615 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
2617 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
2619 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
2620 (MULTILIB_ISA_DEFAULT): New.
2621 (MULTILIB_DEFAULTS): Use it.
2622 * config/mips/mips.c (): Remove the now unnecessary definition
2623 of MIPS_ISA_DEFAULT.
2624 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
2625 unnecessary definition.
2627 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
2629 * arm.md (pic_load_addr): Add constraints to operand 1.
2631 1999-10-25 Bruce Korb <autogen@linuxbox.com>
2633 * fixinc/genfixes: Provide a means for specifying -D options to
2636 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
2638 * arm.c (arm_override_options): Correct initialization of
2639 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
2640 arm_is_strong, and arm_is_6_or_7.
2642 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
2643 (note_set_pseudo_multiple_uses): New function.
2644 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
2645 if a pseudo set in the loop exit is used elsewhere.
2647 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
2649 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
2651 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
2653 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
2654 a single load-address pattern.
2656 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
2658 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
2659 depending on whether or not line-number notes are present.
2661 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * cccp.c (progname, file_buf, default_include, include_file,
2664 macrodef, definition, hashval, wchar_type, user_label_prefix,
2665 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
2666 expand_to_temp_buffer, is_system_include, base_name,
2667 absolute_filename, read_name_map, open_include_file,
2668 record_control_macro, check_precompiled, check_preconditions,
2669 pcfinclude, pass_thru_directive, create_definition,
2670 check_macro_name, comp_def_part, collect_expansion,
2671 check_assertion, read_token_list, assertion_install,
2672 assertion_lookup, eval_if_expression, conditional_skip,
2673 validate_else, skip_quoted_string, quote_string, macarg1,
2674 error_from_errno, install, lookup, hashf, dump_defn_1,
2675 perror_with_name, pfatal_with_name, main, trigraph_pcp,
2676 check_white_space, rescan, handle_directive, monthnames,
2677 special_symbol, do_include, remap_include_file, write_output,
2678 arglist, do_assert, do_unassert, do_line, do_error, do_once,
2679 do_ident, do_sccs, do_xifdef, skip_if_group,
2680 output_line_directive, macroexpand, macarg, change_newlines,
2681 initialize_builtins, make_definition): Constify a char*.
2683 * pcp.h (stringdef): Likewise.
2685 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
2687 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
2690 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
2691 Richard Henderson <rth@cygnus.com>
2693 * alias.c: Include ggc.h.
2694 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
2695 (record_set): Verify enough room in reg_base_value.
2696 (init_alias_analysis): Allocate reg_base_value with xcalloc.
2697 Register it as a GC root.
2698 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
2699 * Makefile.in (alias.o): Depend on ggc.h.
2701 * unroll.c (unroll_loop): Verify the insn before a barrier
2702 is a JUMP_INSN before checking JUMP_LABEL.
2704 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2706 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
2707 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
2708 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
2709 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
2710 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
2711 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
2713 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2715 * output.h (ctors_section, dtors_section, bss_section): Prototype.
2717 * alpha/alpha-interix.h (text_section): Delete prototype.
2718 * alpha/elf.h (text_section): Likewise.
2719 * arm/linux-elf.h (text_section): Likewise.
2720 * arm/linux-telf.h (text_section): Likewise.
2721 * c4x/c4x.h (text_section): Likewise.
2722 * dsp16xx/dsp16xx.h (bss_section): Likewise.
2723 * elfos.h (text_section): Likewise.
2724 * i386/aix386ng.h (text_section): Likewise.
2725 * i386/i386-interix.h (text_section): Likewise.
2726 * i386/sco5.h (text_section): Likewise.
2727 * i386/svr3gas.h (text_section): Likewise.
2728 * nextstep.h (text_section): Likewise.
2729 * psos.h (text_section): Likewise.
2730 * ptx4.h (text_section): Likewise.
2731 * svr3.h (text_section): Likewise.
2732 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
2734 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2736 * final.c (peephole): Delete prototype.
2738 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
2739 (pre_insert_copies): Remove unused variable `bb'.
2741 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
2744 * output.h (peephole): Add prototype.
2746 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
2748 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
2751 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
2753 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
2754 for inlined declarations.
2756 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
2758 * arm.c (logical_binary_operator): New fucntion.
2759 * arm.h (logical_binary_operator): Declare it.
2760 (PREDICATE_CODES): Handle logical_binary_operator.
2761 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
2762 output constraints. Add appropriate splitters.
2763 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
2764 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
2765 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
2767 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2769 * genoutput.c (struct operand_data): New elt eliminable.
2770 (output_operand_data): Write it.
2771 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
2772 (compare_operands): Take it into account.
2773 * recog.h (struct insn_operand_data): New elt eliminable.
2774 * reload1.c (check_eliminable_occurrences, elimination_effects): New
2776 (old_asm_operands_vec, new_asm_operands_vec): Delete.
2777 (eliminate_regs): Move code that detects changes to elimination
2778 target regs into new function elimination_effects.
2779 Delete one #if 0 block.
2780 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
2781 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
2782 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
2783 Only call eliminate_regs for real operands of the insn, not for parts
2784 of its structure or parts matched by things like match_operator.
2785 Use elimination_effects and check_eliminable_occurrences. Use
2786 copy_insn to duplicate the pattern when not in the final pass.
2788 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
2790 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
2793 1999-10-22 Bruce Korb <autogen@linuxbox.com>
2795 * fixinc/README: document the "mach" machine matching test
2796 * fixinc/fixfixes.c: Implement the #else/#endif label fix
2797 * fixinc/fixtests.c: Implement the #else/#endif label test
2798 * fixinc/inclhack.def: utilize these tests and fixes
2799 * fixinc/inclhack.sh: regen
2800 * fixinc/fixincl.x: regen
2801 * fixinc/fixincl.sh: regen
2803 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
2805 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
2808 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
2810 * gcc.1: Document exit codes.
2812 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * calls.c: Include tm_p.h later, so everything we need is defined.
2816 * function.c: Likewise.
2818 * except.c: Include tm_p.h.
2820 * sparc.c: Likewise.
2821 (dwarf2out_cfi_label): Don't prototype.
2822 (check_return_regs, epilogue_renumber,
2823 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2824 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
2825 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
2826 ultra_schedule_insn): Add static prototype.
2827 (data_segment_operand, text_segment_operand): Call itself with the
2828 proper number of arguments.
2829 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
2831 * sparc.h: Move all declarations to sparc-protos.h.
2832 (SELECT_RTX_SECTION): Pass a missing MODE argument to
2835 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
2837 * config/svr4.h (text_section, ctors_section, dtors_section): Add
2839 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
2840 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
2841 ASM_OUTPUT_ASCII): Constify a char*.
2843 * sparc-protos.h: New file for sparc prototypes.
2845 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2847 * function.c (record_insns, contains): Always declare and define.
2848 (record_insns): Mark with ATTRIBUTE_UNUSED.
2850 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
2852 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
2853 to .section when outputting a .bss section to deal with multiple
2854 .bss input sections (as happens with -fdata-sections)
2855 Also output %progbits, not @progbits so the assembler doesn't treat as
2857 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
2859 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
2860 thumb parts even when building with non-thumb CPUs, by forcing
2863 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
2865 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
2866 (movdf_const_intreg_sp64): Similarly.
2868 * local-alloc.c (update_equiv_regs): Check the correct insn
2869 for pre-existing REG_EQUIV notes.
2871 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
2873 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
2874 block reached by a branch if we're not going to actually process
2877 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
2879 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
2880 a local extern function declaration.
2882 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
2884 * i386.c (ix86_expand_prologue): Properly wrap USE around
2885 reg for CALL_INSN_FUNCTION_USAGE.
2887 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
2889 * config/mips/mips.md (movdf_internal1a): Allow floating-point
2890 move between GP_REGs.
2892 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
2894 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
2895 the mode size when finding out if an offset is legal.
2897 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
2899 * basic-block.h (PROP_*): Move constants from ...
2901 (compute_bb_for_insn): Free the array before reallocating.
2902 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
2903 (allocate_reg_life_data): Reset all reg variables collected by
2905 (get_block_head_tail): Don't convert from bb to block.
2906 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
2907 (find_insn_reg_weight): Take block not bb.
2908 (schedule_block): Don't set block num for moved insns.
2909 (schedule_region): Don't update_life_info or find_insn_reg_weight.
2910 (schedule_insns): Do it here instead.
2911 * combine.c (combine_instructions): Invoke compute_bb_for_insn
2912 before update_life_info.
2913 * recog.c (split_all_insns, peephole2_optimize): Update for
2914 new arg to update_life_info.
2915 * rtlanal.c (remove_note): Cope with NULL note.
2916 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
2919 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
2921 * jump.c (jump_optimize_1): More accurately detect casesi insns.
2923 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
2924 block records so that merge_blocks_nomove will clean up correctly.
2925 (split_edge): Handle casesi insns.
2927 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
2929 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
2931 * pa.md (call, call_value): Do not emit a blockage after restoring
2934 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
2936 * c-typeck.c (c_expand_asm_operands): Fix typo.
2938 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2940 * arm.c (fpu_rhs_operand): Verify modes.
2941 (fpu_add_operand): Likewise.
2942 (di_operand): Likewise.
2943 (soft_df_operand): Likewise.
2945 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
2947 * arm.c (arm_return_in_memory): APCS rules state that the elements
2948 of a structure returned in a register must be 'integer-like'.
2950 1999-10-19 Bruce Korb <autogen@linuxbox.com>
2952 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
2953 in the source tree when the generated targets are out of date
2954 * fixinc/genfixes: Alter it to run individual fixes for make.
2955 * fixinc/README: rewrite
2956 * fixinc/inclhack.def: moved initial comments to README
2958 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
2960 * toplev.c (main): Do not generate an error message if an
2961 unrecognised command line switch is recognisable by another
2962 language. If extra_warnings are enabled, then generate a
2963 warning message instead.
2965 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
2967 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
2968 (insert_pack_attributes): Delete prototype.
2970 * c-pragma.c (default_alignment): New static variable.
2971 (push_alignment): Initialize to current effective alignment.
2972 (pop_alignment): Use to set new alignment.
2973 (insert_pack_attributes): Delete function.
2974 (handle_pragma_token): Set default_alignment as well each time
2975 a #pragma pack(<n>) is encountered.
2977 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
2979 * reg-stack.c (stack_result): Aggregates are not returned in
2982 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2984 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
2986 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
2988 * basic-block.h (set_block_num): Declare.
2989 * flow.c (update_life_info): Don't call compute_bb_for_insn
2990 or free_basic_block_vars.
2991 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
2992 (insn_orig_block): Remove.
2993 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
2994 (schedule_block): Keep BLOCK_NUM up-to-date.
2995 (schedule_insns): Use compute_bb_for_insn.
2996 * recog.c (split_all_insns): Likewise.
2997 (peephole2_optimize): Likewise.
2999 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
3001 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
3002 if the pic register is used.
3004 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3006 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
3007 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
3008 if that tests TREE_PERMANENT.
3010 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
3012 * cse.c (invalidate_for_call): Do not remove memory references from
3013 the table here. It's handled elsewhere.
3015 * haifa-sched.c (add_dependence): Protect references to the
3016 true dependency cache with #ifdef INSN_SCHEDULING.
3017 (remove_dependence): Similarly.
3019 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
3020 to the cfg code that this is a return instruction.
3021 * mn10300.md (return_internal): Similarly.
3023 * combine.c (get_last_value): If the last set of a register
3024 is after subst_low_cuid, then we can not use it to determine
3025 the register's last value.
3027 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3029 * Makefile.in: Back out previous change.
3031 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
3033 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
3035 * haifa-sched.c (add_dependence): Only check/update the cache
3037 (remove_dependence): Likewise.
3038 (schedule_insns): Only create the true_dependency_cache if the
3039 average number of instructions in a basic block is very large.
3041 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3043 * Makefile.in (ggc-common.o): Depend on genrtl.h.
3044 (ggc-simple.o): Likewise.
3045 (ggc-page.o): Likewise.
3047 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
3049 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
3050 Prototype for exported functions.
3051 (pre_lcm, pre_rev_lcm): Remove prototypes.
3052 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
3053 (compute_available): Move to lcm.c, and change parameter order.
3054 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
3055 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
3056 (gcse_main): No longer call compute_preds_succs. Rebuild the
3057 set table after reach pre pass.
3058 (pre_insert_map, pre_delete_map, edge_list): New.
3059 (alloc_pre_mem): Allocate edge vectors.
3060 (free_pre_mem): Delete edge vectors.
3061 (compute_pre_data): Call new edge based lcm routines.
3062 (process_insert_insn): New function.
3063 (insert_insn_end_bb): Use it.
3064 (pre_edge_insert): New function.
3065 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
3067 (pre_insert_copies): Revamp using new edge based lcm outputs.
3068 (pre_delete): Likewise.
3069 (one_pre_gcse_pass): Insert & remove fake edges to the exit
3071 (compute_code_hoist_vbeinout): New new edge based routines.
3072 * lcm.c: Remove all the old LCM functions. Replace with new ones
3073 that work with the new cfg datastructures and work with edges
3076 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3078 * reload.h (struct reload): Add new fields "mode" and "nregs".
3079 * reload1.c: Change all occurrences of reload_mode and reload_nregs
3080 to reference the "mode" and "nregs" field within struct reload.
3082 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
3084 * haifa-sched.c (true_dependency_cache): New.
3085 (add_dependence): Use the true dependency cache to avoid expensive
3086 walks down the LOG_LINKS dependency list. Add entries to the
3088 (remove_dependence): Remove entries from the true dependency cache
3090 (schedule_insns): Allocate and initialize and free the true
3093 * haifa-sched.c (schedule_insns): Do not remove inter-block
3094 dependencies anymore.
3096 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
3098 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
3099 * i386/t-winnt: Likewise.
3101 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
3103 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
3105 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
3107 * Makefile.in (LANGUAGES): Omit "proto".
3108 (clean): Remove stale comment about removing unprotoize.c.
3110 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3112 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
3113 using arithmetic on void pointers.
3115 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
3117 * haifa-sched.c (compute_block_forward_dependencies): Only check
3118 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
3120 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
3122 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
3123 (expr_equiv_p): Reject memories with different alias sets.
3125 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
3127 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
3128 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
3129 (f_options): Add "bounded-pointers" and "bounds-check" entries.
3130 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
3131 (lang_init): Set default for flag_bounds_check if still "unspecified".
3133 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3135 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
3137 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3139 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
3142 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3144 * config/c4x/c4x.md (*db_noclobber,
3145 *decrement_and_branch_until_zero_noclobber): New patterns and
3146 associated splitters.
3148 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3150 * config/c4x/c4x.md (parallel instruction patterns): Rework
3151 constraints to keep reload happy.
3153 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3155 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
3156 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
3157 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
3158 Add new patterns and associated post-reload splitters.
3160 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3162 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
3164 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3166 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
3168 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
3170 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3172 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
3175 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
3177 * pa.c (move_operand): Rely on memory_address_p to determine the
3178 validity of non-indexed memory addresses.
3179 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
3180 operand in DFmode and SFmode when generating PA2.0 code.
3182 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
3184 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
3186 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
3188 * mips.c (function_prologue): Fix argument types.
3189 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
3190 (casesi_internal): Write to the scratch register.
3192 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
3194 * cppexp.c (cpp_parse_escape): Make static. Change second arg
3196 (parse_charconst): Delete unnecessary cast when calling
3198 (cpplib.h): Kill prototype of cpp_parse_escape.
3200 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
3202 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
3203 * unroll.c (unroll_loop): Cast return value of alloca.
3204 * i370/i370.c: Include function.h and toplev.h.
3205 (i370_label_scan): Remove c++ commented abort.
3206 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
3207 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
3208 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
3209 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
3211 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
3213 * config/t-freebsd: Do not override USER_H.
3214 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
3216 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
3217 Mumit Khan <khan@xraylith.wisc.edu>
3219 * c-parse.in (component_decl): Support anonymous struct/union.
3221 * c-parse.y: Regenerate.
3222 * c-parse.c: Likewise.
3223 * objc/objc-parse.y: Likewise.
3224 * objc/objc-parse.c: Likewise.
3225 * c-decl.c (finish_struct): Don't sort the fields.
3226 (field_decl_cmp): Delete unused function.
3228 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
3230 * sparc.md (movsf_const_intreg): Revert last constraint change.
3231 (movdf_const_intreg_sp32): Likewise.
3233 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
3235 * cse.c: Include hashtab.h instead of splay-tree.h
3236 (struct cse_reg_info): No longer use variant union. Add new
3237 field "regno". All references changed to avoid union.
3238 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
3239 (free_cse_reg_info): Remove.
3240 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
3241 (get_cse_reg_info): Revamp to use expandable hash tables instead
3242 of splay trees. Initialize new fields in cse_reg_info structure.
3243 (new_basic_block): Similarly.
3245 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
3247 * genrecog.c (message_with_line): Prototype.
3248 (validate_pattern): Pass along the set for the dest, not a flag.
3249 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
3250 Check for PC/CC0 as sources.
3251 (nodes_identical): Check for children position match before
3252 allowing the combination.
3254 * rtl.c (read_rtx): Track line number across \\\n.
3256 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
3258 * mips.h (SPECIAL_MODE_PREDICATES): New.
3259 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
3260 (movdi+1, movsi+1): Add output reload constraint.
3261 (casesi_internal): Likewise. Fix commentary.
3262 (return_internal): Use pmode_register_operand.
3264 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
3266 * 1750a.md (movstrqi): Add missing output reload constraint.
3267 (call_value): Likewise.
3268 * a29k.md (cpxxx patterns): Add missing match_operator mode.
3269 (jmpfdec): Add missing inout reload constraint.
3270 * elxsi.md (addsi patterns): Add missing output reload constraint.
3271 (move from sp): Use @ alternates.
3272 (call_value): No constraint on output.
3273 * fr30.md (movsi_pop): Add missing output reload constraint.
3274 (movsf_constant_store): Likewise.
3275 (splits): Remove constraints.
3276 (subsi3): Add missing mode.
3277 * i370.md (cmpstrsi+1): Add missing output reload constraint.
3278 (call_value): Likewise.
3279 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
3280 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
3281 * m32r.md (movsicc_internal): Add output reload constraint.
3282 (movstrsi_internal): Add inout reload constraints.
3283 * m88k.h (reg_names): Don't declare.
3284 (SPECIAL_MODE_PREDICATES): New.
3285 * m88k.md (*): Use register_operand not reg_or_0_operand
3287 * mn10200.h (PREDICATE_CODES): New.
3288 * ns32k.md (ffs pattern): Add output reload constraint.
3289 * pdp11.md (sob pattern): Add inout reload constraint.
3290 * sh.md (splits): Remove constraints.
3291 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
3292 * v850.md (pattern_is_ok_for_epilogue): Likewise.
3293 * vax.md (jgequ pattern): Add inout reload constraint.
3295 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
3297 * configure.in (djgpp): Revert previous patch.
3298 * configure: Rebuit.
3299 * config/i386/djgpp.h: Revert previous patch.
3301 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
3303 * fixinc/inclhack.def: Restore patch lost during last merge of
3304 "no_bogosity" branch.
3305 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
3307 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
3309 * fixincludes: Add a HPUX 11 fix for inttypes.h.
3310 * fixinc/inclhack.def: Same.
3311 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
3313 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
3315 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
3316 as the base of a PLUS.
3318 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3320 * config/c4x/c4x.md: Define mode for remaining unspec operators.
3321 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
3323 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
3325 * pa.md (post_stw+1): Use pmode_register_operand.
3326 (dcacheflush, icacheflush): Likewise.
3328 * i386.md (movstricthi_1): Allow r/r.
3330 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
3332 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
3333 to (not (and (arg0) (arg1))). Similary for and.
3335 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
3336 falltrought to assocate code.
3337 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
3340 * combine.c (simplify_logical): Convert XOR to IOR if operands have
3341 no bits in common; remove XOR to ROTATE conversion.
3343 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3345 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
3347 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3349 * config/c4x/c4x.c (dst_operand): New.
3350 (PREDICATE_CODES): Update.
3351 * config/c4x/c4x.h (dst_operand): Declare it.
3352 * config/c4x/c4x.md: Define mode for each unspec usage.
3353 (move patterns): Use dst_operand predicate instead of src_operand.
3354 (movqi_update, movqf_update): Delete.
3356 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
3358 * recog.c (pmode_register_operand): New.
3359 * recog.h: Declare it.
3360 * genrecog.c (pred_codes): Likewise.
3361 (special_mode_pred_table): Likewise.
3362 (validate_pattern): Don't warn no mode for address_operand.
3364 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
3365 if the operand is not insn-like.
3367 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
3368 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
3370 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
3372 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
3374 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
3375 instead of general_operand in a SET_DEST. Use const_double_operand
3376 instead of an explicit test against CONST_DOUBLE.
3377 (movsf_const_lo): Add missing register mode.
3378 (goto_handler_and_restore): Add auxiliary test for Pmode.
3379 (flush): Adjust to use address_operand.
3380 (return_sf_no_fpu): Add missing output constraint.
3382 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
3384 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
3385 for call return value.
3386 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
3388 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
3390 * toplev.c (main): Only warn about options for other languages.
3391 * collect2.c (main): Pass -w to sub-gcc.
3393 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
3395 * flow.c (propagate_block): Add call-clobbered registers to
3398 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
3399 zapping mem_set_list.
3400 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
3401 (mark_set_1, mark_used_regs): Likewise.
3403 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
3405 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
3407 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3409 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
3410 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3411 options. Also add a new item "C-only Warning Options" to the
3414 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3416 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3417 from multiple calls.
3419 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3421 * i386.md (call value patterns): Move to the end of the file.
3422 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3424 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3426 * configure.in (djgpp configuration): Define extra_objects..
3427 * configure: Rebuilt.
3428 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3429 (DTORS_SECTION_ASM_OP): Define.
3430 (INIT_SECTION_ASM_OP): Define.
3431 (FINI_SECTION_ASM_OP): Define.
3432 (DATA_SECTION_ASM_OP): Define.
3433 (TEXT_SECTION_ASM_OP): Define.
3434 (EH_FRAME_SECTION_ASM_OP): Define.
3435 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3436 (STARTFILE_SPEC): Add crtbegin.o.
3437 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3438 to here from LINK_COMMAND_SPEC.
3439 (DO_GLOBAL_CTORS_BODY): Define.
3440 (CRTSTUFF_USE_FINI_SECTION): Define
3441 (HAS_INIT_SECTION): Delete.
3443 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3445 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3447 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3449 * pa.h (PREDICATE_CODES): New.
3451 * genrecog.c (validate_pattern): Condense the destination
3454 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3456 * alpha.md (call-1): Supply missing mode for operator.
3457 (*): Add missing output reload constraints. Remove constraints
3460 * i386.h (SPECIAL_MODE_PREDICATES): New.
3461 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3462 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3463 (addsi_lea_3): Add missing mode for op 3.
3464 (prologue_set_got, prologue_get_pc): Add missing modes.
3465 (*) Add missing output reload constraints.
3467 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3469 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3470 check for member bit-size overflow and use var_size if it occurs.
3471 (layout_record): Use bitsize_int() to define the type size in bits.
3472 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3473 (layout_decl): Likewise when assigning to DECL_SIZE.
3475 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3477 * genrecog.c (validate_pattern): Typo last change. Verify
3478 that output operands have output reloads.
3480 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3482 * genrecog.c (special_mode_pred_table): New.
3483 (NUM_SPECIAL_MODE_PREDS): New.
3484 (find_operand): New.
3485 (validate_pattern): New argument `insn'. Warn for assignment to
3486 any predicate accepting non-lvalues. Conditionaly warn for
3487 match_operand without a mode. Try much harder to match source
3488 and destination modes on a set.
3489 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3491 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3493 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3495 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3497 * combine.c (simplify_logical): Recognize xor pattern that encodes
3500 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3502 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3505 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3507 * ggc-page.c (MAP_FAILED): Provide default.
3509 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3511 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3512 * sparc.h (PREDICATE_CODES): Update.
3514 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3516 * alpha.c (some_ni_operand): New.
3517 * alpha-protos.h: Declare it.
3518 * alpha.h (PREDICATE_CODES): Update.
3519 * alpha.md (sXaddq reload insns): Use some_ni_operand
3520 for SET_DEST instead of some_operand.
3522 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3523 Jim Wilson <wilson@cygnus.com>
3525 * genrecog.c (maybe_both_true_2): Don't compare modes of
3527 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3528 after find_afterward.
3529 (debug_decision_1): Dump next and afterward codes.
3531 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
3533 * rtl.c (dump_and_abort): Remove.
3534 (fatal_with_file_and_line): New.
3535 (fatal_expected_char): New.
3536 (read_rtx_lineno, read_rtx_filename): New.
3537 (read_skip_spaces): Track line number.
3538 (read_name): Use fatal_with_file_and_line.
3539 (read_rtx): Use fatal_expected_char. Track line number.
3540 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
3542 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
3543 if it isn't a CODE_LABEL.
3545 * genattr.c (main): Set read_rtx_filename.
3546 * genattrtab.c (main): Likewise.
3547 * gencodes.c (main): Likewise.
3548 * genconfig.c (main): Likewise.
3549 * genemit.c (main): Likewise.
3550 * genextract.c (main): Likewise.
3551 * genflags.c (main): Likewise.
3552 * genopinit.c (main): Likewise.
3553 * genoutput.c (main): Likewise.
3554 * genpeep.c (main): Likewise.
3556 * genrecog.c (decision_test.u.insn): Add `lineno'.
3557 (pattern_lineno, error_count): New variables.
3558 (message_with_line): New.
3559 (add_to_sequence): Break out checking code to ...
3560 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
3561 (merge_insn): Use message_with_line.
3562 (make_insn_sequence): Use validate_pattern. Record insn lineno.
3563 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
3565 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3567 * expr.c (store_constructor): Clear union if constructor is empty.
3569 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
3571 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
3572 Add !endian checks. Change %{...} to %(...).
3574 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
3576 * i386.md (*addsi3_cc): Renamed from addcsi3.
3577 (*addsi3_carry): Renamed from addxsi3.
3578 (*subsi3_cc): Renamed from subcsi3.
3579 (*subsi3_carry): Renamed from subxsi3.
3580 (*xorqi_cc_1): Renamed from xorcqi_1.
3581 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
3582 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
3584 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
3586 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
3587 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
3589 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
3591 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
3592 climb up the chain of insns.
3594 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
3596 * genrecog.c (write_subroutine): Careful for null trees.
3597 (process_tree): Don't elide empty functions.
3599 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
3601 * Makefile.in (genrtl.o): Depend on ggc.h.
3602 * configure.in (valloc): Probe for it.
3603 (with-gc): Use ggc-page if valloc present.
3604 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
3605 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
3606 (ggc_alloc_string): Moved from ggc-page.c.
3607 * ggc-none.c (ggc_alloc_obj): New.
3608 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
3609 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
3610 (struct globals): Likewise for dev_zero_fd.
3611 (init_ggc): Likewise for it's initialization.
3612 (ggc_allocated_p): Move careful dereference from ...
3613 (ggc_lookup_page_table): ... here. Delete.
3614 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
3615 (alloc_anon): Use valloc if no mmap.
3616 (release_pages): Use free if using valloc.
3617 (ggc_alloc_obj): Renamed from alloc_obj.
3618 (ggc_set_mark): Renamed from mark_obj.
3619 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
3620 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
3621 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
3622 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
3623 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
3624 (ggc_collect): Use fp printing instead of our own rounding.
3625 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
3626 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
3627 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
3628 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
3629 (struct ggc_string, struct ggc_any): Delete.
3630 (offsetof): Provide default definition.
3631 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
3633 (struct ggc_mem): New, from corpse of ggc_any.
3634 (struct ggc_status): Delete.
3635 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
3636 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
3637 (n_strings_collected, n_anys_collected): Delete.
3638 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
3639 (ggc_alloc_string, ggc_alloc): Delete.
3640 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
3641 (ggc_free_string, ggc_free_any): Delete.
3642 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
3643 (ggc_compare_addresses, ggc_mark_string): Delete.
3644 (ggc_mark_string_if_gcable, ggc_mark): Delete.
3645 (search_data): Delete.
3646 (struct globals): New.
3647 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
3648 (tree_insert, tree_lookup): New.
3649 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
3650 (clear_marks, sweep_objs): New.
3651 (ggc_collect): Gut. Use clear_marks, sweep_objs.
3652 (init_ggc): Set allocated_last_gc.
3653 (ggc_push_context): Gut. Use G.context.
3654 (ggc_pop_context): Likewise.
3655 (ggc_pop_context_1): New.
3656 (debug_ggc_tree): New.
3657 (debug_ggc_balance, tally_leaves): New.
3658 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
3659 (ggc_mark_string_if_gcable): Remove decl.
3660 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
3661 (ggc_mark_rtvec_children): New.
3662 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
3663 (ggc_mark_if_gcable): New decl.
3664 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
3665 (ggc_alloc_tree, ggc_alloc): Likewise.
3666 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
3667 (ggc_alloc_obj): New decl.
3668 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
3669 (ggc_alloc_tree, ggc_alloc): Likewise.
3670 (ggc_set_mark): New decl.
3671 * rtl.h (struct rtx_def): Remove gc_mark.
3672 (struct rtvec_def): Likewise.
3673 * tree.h (struct tree_common): Likewise.
3675 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
3677 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
3678 float_format and thread_file definitions.
3679 * configure: Rebuilt.
3681 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
3683 * extend.texi (Function Names): Document types of function names.
3685 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3687 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3688 an earlyclobbered output conflict with RELOAD_INPUT reloads.
3690 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3692 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
3694 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3696 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
3698 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
3700 * collect2.c (main): Do prelimnary link on AIX if rflag.
3702 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3704 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
3705 __CTOR_LIST__ in opposite order, which is the correct order for sorted
3707 (__do_global_dtors): similarly for __DTOR_LIST__.
3709 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3710 Diego Novillo <dnovillo@cygnus.com>
3712 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
3715 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
3717 * fixincl/*: Merged "no_bogosity" branch
3718 * fixincl/fixlib.h: protect against doubly defining t_bool
3719 * fixincl/server.h: protect against doubly defining t_bool
3721 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
3723 * genoutput.c: Include toplev.h.
3725 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
3727 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3729 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
3730 * configure: Regenerate.
3732 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
3734 * gcse.c (delete_null_pointer_checks): Returns void.
3736 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3738 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
3739 * emit-rtl.c (copy_insn_1): Likewise.
3741 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
3743 * config/mips/mips.c (mips_build_va_list): Correct
3744 TREE_CHAIN setting when hard-float.
3745 (mips_va_start): Use corrected setting.
3746 (mips_va_arg): Likewise. Also pass a tree to build of
3747 POSTINCREMENT_EXPR rather than a naked 'int'.
3749 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
3751 * ggc.h (ggc_push_context): Fix comment.
3752 (ggc_pop_context): Likewise.
3753 (mark_string_if_gcable): Likewise.
3754 * ggc-common.c (ggc_mark_rtx_children): Use
3755 ggc_mark_string_if_gcable.
3756 * ggc-page.c (ggc_lookup_page_table): New function.
3757 (ggc_allocated_p): Likewise.
3758 (mark_obj): Fix formatting.
3759 (ggc_mark_string_if_gcable): New function.
3760 * ggc-simple.c (ggc_allocated_strings): New variable.
3761 (ggc_strings_used): Likewise.
3762 (ggc_compare_addresses): New function.
3763 (ggc_pop_context): Pop the `any' memory too.
3764 (ggc_mark_string_if_gcable): New function.
3765 (ggc_collect): Initialize and tear down ggc_allocated_strings.
3767 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
3769 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
3770 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
3771 * rs6000.c (expand_block_move): Match movstrsi_?reg register
3774 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
3776 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
3777 (sched_reg_live_length, sched_reg_basic_block): Delete.
3778 (current_block_num, bb_live_regs, old_live_regs): Delete.
3779 (dead_notes, struct sometimes): Delete.
3780 (sched_note_set, birthing_insn_p): Delete.
3781 (adjust_priority): Gut useless reg lifetime code.
3782 (create_reg_dead_note, attach_deaths): Delete.
3783 (attach_deaths_insn, new_sometimes_live): Delete.
3784 (finish_sometimes_live): Delete.
3785 (find_pre_sched_live, find_post_sched_live): Delete.
3786 (update_reg_usage): Delete.
3787 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
3788 (schedule_insns): Delete reg lifetime code.
3789 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
3790 (unlink_other_notes): Adjust REG_NOTE commentary.
3791 (reemit_notes): Use REG_SAVE_NOTE.
3792 (schedule_block): Likewise.
3793 (schedule_region): Allocate bitmap of blocks in region. Use
3794 count_or_remove_death_notes. Use update_life_info.
3796 * rtl.h (REG_SAVE_NOTE): New.
3797 * rtl.c (reg_note_name): Update.
3799 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
3801 * combine.c (refresh_blocks, need_refresh): New.
3802 (combine_instructions): Allocate refresh_blocks. Invoke
3803 update_life_info if needed.
3804 (distribute_notes): Mark refresh_blocks instead of installing
3806 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
3807 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
3809 * Makefile.in (recog.o): Depend on basic-block.h.
3811 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
3813 * genrecog.c (add_to_sequence): Thinko last change: delete
3814 shadowing allow_const_int variable.
3816 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3818 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
3819 __GNUC__ and __GNUC_MINOR__.
3821 * gansidecl.h: Likewise.
3827 * toplev.h: Likewise.
3833 * varray.c: Likewise.
3835 * varray.h: Likewise.
3837 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3839 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
3840 use one before a jump table.
3842 * rtl.def (ADDRESS): Change documentation to match reality.
3843 * md.texi: Don't document it.
3844 * gmicro.md (load address pattern): Use 'p' constraint, delete use
3847 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
3849 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
3851 * genrecog.c (add_to_sequence): Move allow_const_int test outside
3852 known predicate block; default allow_const_int true.
3853 (debug_decision_list): New.
3855 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
3857 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
3859 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
3861 * gcse.c (gcse_main): Avoid global optimizations if we have a
3862 large number of basic blocks and the ratio of edges to blocks
3864 (delete_null_pointer_checks): Likewise.
3866 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
3868 * c-common.c (check_format_info): Warn if format string isn't a
3871 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3873 * configure.in (arm*-*-*): Don't let autoconf remove brackets
3874 * configure: regenerate
3876 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
3878 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
3879 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
3880 (peepholes): Re-enable.
3882 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
3884 * Makefile.in (flow.o): Depend on TREE_H.
3885 * basic-block.h (REG_SET_EQUAL_P): New.
3888 (free_regset_vector): Remove declaration.
3889 (flow_delete_insn_chain): Declare.
3890 (enum update_life_extent): New.
3891 (update_life_info, count_or_remove_death_notes): Declare.
3892 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
3893 Verify register live at bb->global_live_at_start before adding USE.
3894 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
3895 (CLEAN_ALLOCA): New.
3897 (PROP_*): New flags.
3898 (find_basic_blocks_1): Use alloc_EXPR_LIST.
3899 (clear_edges): Zero n_edges.
3900 (make_edge): Increment n_edges.
3901 (split_edge): Don't allocate bb->local_set. Increment n_edges.
3902 (flow_delete_insn_chain): Export.
3903 (delete_block): Decrement n_edges.
3904 (merge_blocks_nomove): Likewise.
3905 (life_analysis): Give life_analysis_1 PROP flags.
3906 (verify_wide_reg_1, verify_wide_reg): New.
3907 (verify_local_live_at_start): New.
3908 (update_life_info): Rewrite to call into propogate_block.
3910 (mark_regs_live_at_end): After reload, if epilogue as rtl,
3911 always mark stack pointer. Conditionally mark PIC register.
3912 After reload, mark call-saved registers, return regsiters.
3913 (life_analysis_1): Accept PROP flags not remove_dead_code.
3914 Call mark_regs_live_at_end before zeroing regs_ever_live.
3915 Use calculate_global_regs_live. Copy global_live_at_end before
3916 calling final propagate_block. Zero reg_next_use on exit.
3917 (calculate_global_regs_live): New.
3918 (allocate_bb_life_data): Don't allocate bb->local_set.
3919 (init_regset_vector, free_regset_vector): Remove.
3920 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
3921 Test flags before every operation. Warn if prologue/epilogue insn
3922 would have been deleted.
3923 (mark_set_regs, mark_set_1): Accept and use FLAGS.
3924 Use alloc_EXPR_LIST.
3925 (mark_used_regs): Accept and use FLAGS, not FINAL.
3926 Remove special handling for RETURN.
3927 (try_pre_increment): Use alloc_EXPR_LIST.
3928 (dump_flow_info): Dump n_edges.
3929 (unlink_insn_chain, split_hard_reg_notes): Remove.
3930 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
3931 (find_insn_with_note, new_insn_dead_notes): Remove.
3932 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
3933 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
3934 (replace_insns): Remove.
3935 (count_or_remove_death_notes): New.
3936 (verify_flow_info): Abort on error after all checks.
3937 (remove_edge): Decrement n_edges.
3938 (remove_fake_edges): Tweek format.
3939 * haifa-sched.c (schedule_insns): Use split_all_insns.
3940 * output.h (update_life_info): Remove declaration.
3941 * recog.c (split_all_insns): From the corpse of split_block_insns,
3942 do the whole function block by block. Use update_life_info.
3943 (recog_last_allowed_insn): New.
3944 (recog_next_insn): Mind it.
3945 (peephole2_optimize): Set it. Walk backwards through blocks.
3946 Use update_life_info.
3947 * rtl.h (update_flow_info, replace_insns): Remove declarations.
3948 (split_all_insns): Declare.
3949 * toplev.c (rest_of_compilation): Thread prologue before flow2.
3950 Use split_all_insns.
3952 * i386.md (or -1 peep2s): Disable.
3954 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
3956 * config/mips/mips.md (movstrsi+[123]) : Combine these into
3957 a single pattern. Scrap the 'd' versions as unnecessary.
3959 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
3960 tablejump_mips162,tablejump_internal4): The operands to a
3961 label_ref must be VOIDmode.
3963 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3965 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
3967 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
3969 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
3971 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
3973 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
3974 cache every function if ggc_p.
3976 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3978 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
3979 instead of copy_rtx. Accept sequences that contain asm statements.
3980 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
3981 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
3982 orig_asm_operands_vector, copy_asm_operands_vector,
3983 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
3985 * rtl.h (copy_insn, copy_insn_1): Declare.
3987 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3989 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
3991 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
3992 arguments to `current_file_function_operand'.
3994 * genrecog.c: Include hard-reg-set.h and resource.h in the
3995 generated output file.
3997 * real.c: Include tm_p.h.
3999 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4001 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
4004 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
4006 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
4007 before the fctiwz insn.
4009 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4010 Mark Mitchell <mark@codesourcery.com>
4012 * tree.c (make_lang_type_fn): New funtion pointer.
4013 (make_lang_type): Call it.
4014 * tree.h (make_lang_type): Declare.
4015 (make_lang_type_fn): Likewise.
4016 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
4018 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
4020 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
4021 make sure that HIGH instructions are copied into BASE_REGS.
4023 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
4025 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
4027 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
4029 * c-decl.c (finish_struct): Use simpler method of
4030 removing elements of a singly-linked list.
4032 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
4034 * alpha.md (peephole2's): Comment out peephole2's that generate
4037 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
4039 * genrecog.c (add_to_sequence): Disable mode check for
4042 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4044 * ggc-simple.c (init_ggc): Set empty_string.
4046 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
4048 * configure.in: Detect mmap. Add --with-gc=foo to select
4049 garbage collector; default to page if mmap available.
4050 * Makefile.in (GGC): Substitute.
4052 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
4054 * c-decl.c (ggc_p): Enable.
4056 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4058 * flow.c (verify_flow_info): Make it extern & unconditionally define.
4060 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
4062 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
4063 string for little-endian-data.
4065 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
4067 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
4068 case somebody tries to compile --enable-checking code with gcc
4071 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
4073 * genrecog.c (add_to_sequence): Verify operand to label_ref is
4076 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
4078 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
4079 * jump.c (jump_optimize_1): Document why.
4081 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4083 * collect2.c (scan_prog_file, scan_libraries): Prototype function
4084 pointers and casts for `int_handler' and `quit_handler'.
4086 * flow.c (verify_flow_info, split_hard_reg_notes,
4087 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
4088 remove_edge, remove_fake_successors): Add static prototypes.
4089 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
4090 (mark_set_1): Initialize variable `regno'.
4091 (unlink_insn_chain): Likewise for variable `curr'.
4092 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
4094 * loop.c (strength_reduce): Initialize variable
4095 `unrolled_insn_copies'.
4096 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
4097 prototypes. Change these functions to take const PTR parameters
4098 to avoid prototype conflict when used as the comparson argument
4100 (check_dbra_loop): Initialize variable `comparison_val'.
4102 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
4103 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
4104 (find_valid_class): Initialize variable `best_class'.
4105 (find_reloads): Call memcpy, not bcopy.
4107 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
4108 (hard_reg_use_compare): Don't needlessly cast away const.
4109 (reload_reg_class_lower): Likewise.
4110 (choose_reload_regs): Initialize variable `regno'.
4112 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
4114 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
4116 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
4118 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
4119 ({,d}discard): Add forward declarations. Declare parameter as
4121 (main_without_main): Explicitly declare return type to be int.
4122 (memcpy): Properly declare.
4124 * libgcc2.c (toplevel): If inhibit_libc is defined and not
4125 building the trampoline support, declare malloc, free, and
4127 (__clear_cache): Mark arguments as potentially unused.
4129 * frame.c (toplevel): If inhibit_libc is defined, declare
4132 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
4134 * flow.c (make_edge): Accept an optional 2D bitmap in which
4135 to cache edge existence. Update all callers.
4136 (make_label_edge, make_eh_edge): Pass through the edge cache.
4137 (make_edges): Provide the cache.
4139 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4141 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
4143 (local_mbtowc): Change the type of variable `i' from int to size_t.
4145 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
4146 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
4148 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
4150 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
4151 after other includes that define the appropriate types. Include
4152 tm_p.h for getting user prototypes.
4153 * ggc-callbacks.c (toplevel): Ditto.
4154 * ggc-none.c (toplevel): Ditto.
4155 * gcc-page.c (toplevel): Ditto.
4156 * ggc-simple.c (toplevel): Ditto.
4158 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
4159 Jonathan Larmour <jlarmour@cygnus.co.uk>
4161 * config/mips/mips.c (mips_move_2words): Split doubles if
4162 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
4164 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
4166 * genrecog.c (struct decision_test): New.
4167 (struct decision): Remove test-related members, sort the rest by size.
4168 (IS_SPLIT): Simplify.
4169 (new_decision, new_decision_test): New.
4170 (add_to_sequence): Use them. No special handling for args of
4172 (maybe_both_true): Renamed from not_both_true; return sense changed.
4173 (maybe_both_true_1, maybe_both_true_2): New. Broken out
4174 of maybe_both_true and adjusted for decision_test.
4175 (position_merit): Remove.
4176 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
4177 (merge_accept_insn): New, broken out of merge_trees.
4178 (merge_trees): Use them. No special case for c_test; no node
4179 splitting; use test type instead of position_merit.
4180 (factor_tests): New.
4181 (simplify_tests): New.
4182 (break_out_subroutines): Don't write code now.
4183 (find_afterward): New.
4184 (write_afterward, write_switch, write_cond): New.
4185 (write_action, is_unconditional): New.
4186 (write_node): New. Use them.
4187 (write_tree_1): Rewrite. Use the new functions above.
4188 (write_tree): Remove afterward processing.
4189 (write_subroutine): Simplify function variant emission.
4190 (write_subroutines): New.
4191 (same_codes, clear_codes): Remove.
4192 (same_modes, clear_modes): Remove.
4193 (write_header): New, broken out of main.
4194 (make_insn_sequence): Use new_decision and new_decision_test.
4195 (process_tree): New, broken out of main.
4196 (main): Adjust for merge_trees interface change.
4197 Don't #define operands in the output file.
4198 (record_insn_name): New, broken out of make_insn_sequence.
4199 (debug_decision_2, debug_decision_1, debug_decision_0): New.
4200 (debug_decision): New.
4202 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
4204 * resource.c (find_free_register): Mark class_str argument const.
4205 * resource.h: Update prototype to match.
4207 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
4208 * i386.md: Give all anonymous insns names.
4210 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
4212 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
4215 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
4217 * toplev.c (dbr_sched_time): Unconditional.
4218 (peephole2_time): New.
4219 (compile_file): Add pass numbers to all of the dump file suffixes.
4220 Dump peephole2_time. Don't dump times for non-applicable passes.
4221 (rest_of_compilation): Add pass numbers to dump file suffixes.
4222 Conditionalize calls to the scheduler.
4223 * invoke.texi: Update.
4225 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
4227 * flow.c (make_edges): Fix insn iteration.
4228 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
4229 (find_basic_blocks_1): Fix spelling mistake.
4231 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
4233 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
4234 always have side-effects. Use memset not bzero.
4235 (make_node): Likewise.
4237 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
4239 * stmt.c (expand_anon_union_decl): When any of the elements of the
4240 union is addressable, so is the entire union.
4242 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
4244 * sbitmap.c (sbitmap_ones): Don't set too many bits.
4246 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
4247 * bitmap.c (bitmap_operation): Return true iff TO changed.
4248 (bitmap_equal_p): New.
4249 (bitmap_bit_p): Tidy arithmetic.
4250 (debug_bitmap_file): Likewise.
4252 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
4254 * toplev.c (rest_of_compilation): Turn on cse_not_expected
4255 before cse2 instead of after.
4257 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
4259 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
4262 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4264 * cppinit.c (is_idchar initializer): Loosen tests to accept
4267 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
4269 * mips.md: Define conditional move patterns for floating point
4270 operands and DI mode conditions.
4272 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
4274 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
4275 always have side-effects.
4277 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
4279 * mn10200.c (asm_file_start): Fix typo.
4281 * cppinit.c (is_idchar initializer): Tighten tests for when
4282 to put the table into initialized memory.
4284 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
4285 not an array of rtunion.
4286 * gcc-page.c (ggc_alloc_rtvec): Similarly.
4287 * gcc-simple (ggc_free_rtvec): Similarly.
4289 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
4292 * mbchar.h: Add missing #endif.
4294 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
4295 (FPBIT, DPBIT): Define.
4297 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4299 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
4301 * profile.c (instrument_arcs, output_gcov_string,
4302 tablejump_entry_p): Add static prototypes.
4303 (output_gcov_string): Constify a char*.
4305 * regmove.c (replacement_quality, fixup_match_2): Add static
4308 * resource.h (reg_dead_p): Add extern prototype.
4310 * rtl.c (trim_filename): Add static prototype.
4312 * scan-decls.c (skip_to_closing_brace): Likewise.
4314 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
4315 (expand_end_case): Initialize variable `range'.
4316 (emit_case_nodes): Remove unused prototype `rtx_fn'.
4318 * varasm.c (asm_emit_uninitialised): Add static prototype.
4319 (asm_emit_uninitialised, assemble_variable): Mark parameter with
4322 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4324 * cpplib.c (if_directive_nameo): Add static prototype.
4326 * cse.c (cse_insn): Remove unused variable `p'.
4328 * except.c (create_rethrow_ref, push_entry,
4329 receive_exception_label, new_eh_region_entry, find_func_region,
4330 clear_function_eh_region, process_nestinfo): Add static prototypes.
4331 (get_reg_for_handler): Hide definition.
4332 (process_nestinfo): Initialize variable `extra_handlers'.
4334 * expr.h (expand_builtin_longjmp): Add extern prototype.
4336 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
4338 * function.c (prepare_function_start): Likewise.
4339 (pop_function_context_from): Mark parameter `context' with
4341 (push_temp_slots_for_block, flush_addressof): Hide definition.
4343 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
4344 solve_program_flow_graph, calculate_branch_probs,
4345 function_summary, main, fancy_abort): Add prototypes.
4347 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
4348 (add_hash): Constify a char*.
4350 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
4351 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
4352 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
4354 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
4356 * lists.c (free_list, zap_lists): Likewise.
4358 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4360 * alias.c (nonlocal_reference_p): Add static prototype.
4362 * bitmap.c (bitmap_element_allocate): Prototype args in function
4365 * builtins.c (stabilize_va_list): Add static prototype.
4366 (expand_builtin_va_arg): Constify a char*.
4368 * c-lex.c (getch, put_back, extend_token_buffer_to,
4369 read_line_number, token_getch, token_put_back): Add static
4372 * c-parse.gperf (hash, is_reserved_word): Likewise.
4374 * cccp.c (is_dir_separator): Likewise.
4376 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4378 * graph.h: New file to prototype functions exported by graph.c.
4380 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
4382 * graph.c: Include graph.h.
4384 * toplev.c: Likewise. Remove redundant prototypes.
4386 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
4388 * invoke.texi: Removed duplicated description for -Q.
4390 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
4392 * extend.texi: Grammar fix in __extension__ text.
4394 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
4396 * md.texi (define_peephole2): New section.
4398 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
4400 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
4401 (mov $-1 to or peepholer): Enable for pentium when optimizing for
4404 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
4406 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
4408 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
4410 * i386.md (ffs expander): Emit Pentium friendly code for
4413 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4415 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4419 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4421 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4423 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4425 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4428 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4430 * md.texi (No Constraints): Delete section.
4431 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4432 * final.c (final_scan_insn): We always have register constraints.
4433 * genattrtab.c: Don't include "insn-config.h".
4434 (write_attr_case): We always have register constraints.
4435 * genconfig.c (register_constraint_flag): Delete.
4436 (walk_insn_part): Don't check whether we have register constraints.
4437 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4438 * genoutput.c (have_constraints): Delete.
4439 (main): Don't set it.
4440 (output_operand_data): We always have constraints.
4441 (scan_operands): Likewise.
4442 (compare_operands): Likewise.
4443 * local-alloc.c (block_alloc): We always have constraints.
4444 (requires_inout): Always compile this function.
4445 * recog.c (extract_insn): We always have constraints.
4446 (constrain_operands, reg_fits_class_p): Always compile these
4448 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4450 (struct insn_operand_data): Likewise.
4451 * regclass.c (regclass): We always have constraints.
4452 (record_reg_classes, copy_cost, record_address_regs,
4453 auto_inc_dec_reg_p): Always compile these functions.
4454 * regmove.c (regmove_optimize): We always have constraints.
4455 * reload.c (find_reloads): Likewise.
4456 * reload1.c (reload): Likewise.
4457 (reload_cse_simplify_operands): Likewise.
4458 * i860.c (output_delay_insn): Likewise.
4460 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4462 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4464 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4466 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4467 for the va_list record.
4469 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4471 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4474 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4476 * alias.c: Include insn-flags.h.
4477 * Makefile.in (alias.o): Update.
4479 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4481 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4482 to LTU and GEU. Handle more cases using sbb.
4484 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4486 * i386.md (truncatexfdf splitters): Do not use subreg.
4487 (fop XFmode patterns): Fix mode in operand testing.
4489 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4491 * jump.c (jump_optimize_1): Amend last change to test only the
4492 form of the operand, not the insn.
4494 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4495 not register_operand to determine when B may need preloading.
4497 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4499 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4500 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4501 (call-value patterns): Move to end of file.
4502 (*): Remove mode from label_ref in (pc) context.
4503 (movstrqi): Use memory not general_operand for BLKmode operands.
4504 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4505 to register_operand operands.
4506 (peep2 patterns): Convert from commented-out peephole patterns.
4508 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4510 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4511 to BUILT_IN_INIT_DWARF_REG_SIZES.
4512 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4513 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4514 expand_builtin_init_dwarf_reg_sizes.
4515 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4516 with __builtin_init_dwarf_reg_size_table.
4517 * dwarf2out.c (struct reg_size_range): Delete.
4518 (expand_builtin_init_dwarf_reg_sizes): New function.
4519 (expand_builtin_dwarf_reg_size): Delete.
4520 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4521 (expand_builtin_dwarf_reg_size): Don't declare.
4522 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4523 (dwarf_reg_size_table): New.
4524 (init_reg_size_table): New function.
4525 (copy_reg): Use dwarf_reg_size_table.
4526 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
4529 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
4531 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
4532 Correctly build argument list to constructor and destructor functions.
4534 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
4536 * c-tree.h (warn_float_equal): Declare.
4537 * c-decl.c (warn_float_equal): Define.
4538 (c_decode_option): Recognize -W[no-]float-equal.
4539 * c-typeck.c (build_binary_op): Conditionally warn
4540 about equality tests of floating point types.
4541 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
4542 * invoke.texi: Add docs for -Wfloat-equal warning.
4544 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
4546 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
4547 generating RTL directly.
4548 * mips.h (INIT_TARGET_OPTABS): Likewise.
4549 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
4551 * expr.h (init_mov_optab): Delete declaration
4553 * h8300.c (WORD_REG_USED): Update to avoid useless register
4554 saves in interrupt functions and functions which never return.
4556 * cse.c (struct set): Delete inner_dest_loc field.
4557 (cse_insn): Remove assignments to inner_dest_loc field.
4559 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
4561 * ggc-page.c: Don't include <unistd.h> etc taken care of
4562 by "system.h". Include <sys/mman.h> afterward.
4564 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
4566 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
4569 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
4571 * xcoffout.c (xcoffout_declare_function): Add documentation.
4572 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
4573 TARGET_64BIT. Compare constant to -1, not bit pattern.
4574 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
4575 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
4578 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
4580 * dwarf2out.c (add_abstract_origin_attribute): Abort if
4582 (gen_inlined_enumeration_type_die): Do not abort if the type has
4583 not been writeen out.
4584 (gen_inlined_structure_type_die): Do not abort if the type has
4585 not been writeen out.
4586 (gen_inlined_union_type_die): Do not abort if the type has
4587 not been writeen out.
4588 (gen_tagged_type_instantiation_die): Do not abort if the type
4589 has not been written out.
4591 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4593 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
4595 * reg-stack.c (straighten_stack): Copy hard reg set with
4598 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
4600 * builtins.c (stabilize_va_list): Stabilize array type va_list
4601 to a pointer type, not the base record type.
4602 (expand_builtin_va_copy): Dereference the pointers explicitly;
4603 use the correct size for the copy.
4605 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
4606 (rs6000_va_arg): Likewise.
4608 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
4610 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
4612 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
4614 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
4616 (DECL_BUILT_IN_CLASS): Adjust accordingly.
4618 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
4620 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
4621 (init_ggc): Use it instead of a constant.
4622 (ggc_collect): Bound allocated_last_gc by it.
4624 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
4626 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
4629 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
4631 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
4632 (mips*-*-openbsd*): Let big endian configuration be a fragment.
4634 * config/mips/openbsd.h: New, OpenBSD little endian target.
4635 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
4636 * config/mips/xm-openbsd.h: New, OpenBSD host.
4638 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
4640 * config/m68k/m68k.c (output_function_prologue,
4641 output_function_epilogue): Use
4642 current_function_uses_pic_offset_table instead of regs_ever_live
4643 to decide whether to save/restore pic register.
4644 (legitimize_pic_address): Don't modify regs_ever_live any more.
4646 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
4648 * function.h (struct function): Add x_dont_save_pending_sizes_p.
4649 * stor-layout.c (variable_size): Don't add sizes to the pending
4650 sizes list if x_dont_save_pending_sizes_p is set.
4652 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
4654 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
4655 for symbolic_operand().
4656 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
4658 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4660 * combine.c (gen_rtx_combine): Add missing call to va_end().
4662 * final.c (asm_fprintf): Likewise.
4664 * genattrtab.c (attr_rtx): Likewise.
4666 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
4668 * cse.c: Update comments.
4669 (cse_insn): When converting a conditional/computed jump into
4670 an unconditional jump, always make sure a BARRIER immediately
4671 follows the converted jump. Do not delete unreachable code.
4672 (cse_basic_block): Do not delete unreachable code.
4673 * toplev.c (rest_of_compilation): Move call to
4674 delete_trivially_dead_insns after the conditional call to
4677 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4679 * collect2.c (make_temp_file): Don't prototype.
4681 * gcc.c (make_temp_file): Likewise.
4683 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
4685 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
4687 * varasm.c (asm_emit_uninitialised): New function: Generate
4688 the assembler statements necessary to declare an uninitialised
4690 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
4692 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
4693 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
4695 (assemble_variable): Use asm_emit_uninitialised to emit an
4696 uninitialised variable.
4698 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
4700 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
4701 constant on a 64 bit host. Patch supplied by Geoffrey Keating
4702 <geoffk@cygnus.com>.
4704 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4706 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
4707 * c-common.h (builtin_function): Don't declare.
4709 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
4711 (pushdecl): Likewise.
4712 (finish_decl): Likewise.
4713 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
4714 int. All callers changed.
4715 Set the builtin's DECL_BUILT_IN_CLASS.
4716 * tree.h (enum built_in_class): New.
4717 (enum built_in_function): Delete NOT_BUILT_IN.
4718 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
4720 (DECL_SET_FUNCTION_CODE): Likewise.
4721 (DECL_BUILT_IN_CLASS): New macro.
4722 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
4723 (struct tree_decl): Split builtin function code field into a
4725 (builtin_function): Declare.
4727 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
4729 * optabs.c (init_traps): Fix typo in last change.
4731 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
4733 * toplev.c (rest_of_decl_compilation): Update comment.
4735 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4737 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
4738 in .sbss if appropriate.
4739 (EXTRA_SECTION_FUNCTIONS): Add sbss.
4740 (SBSS_SECTION_ASM_OP): New macro.
4741 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
4742 (EXTRA_SECTIONS): Add in_sbss.
4743 * config/mips/mips.h: Prototype sbss_section.
4745 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
4747 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
4750 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
4752 * optabs.c (init_traps): Register trap_rtx as a GC root.
4754 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4756 * config/mips/mips.c (function_arg_pass_by_reference): Define
4757 unconditionally, since it's called unconditionally.
4759 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
4761 * toplev.c (documented_lang_options): Add -fshort-wchar.
4762 * c-decl.c (c_decode_option): Likewise.
4763 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
4765 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
4766 * gcc.c (default_compilers): If -fshort-wchar,
4767 override __WCHAR_TYPE__.
4768 * tm.texi (C Dialect Options): Add -fshort-wchar.
4770 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
4771 symbol for a variable.
4773 * cpplib.h (CPP_PREPROCESSED): New macro.
4774 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
4775 we're seeing this input for a second time.
4777 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
4779 * emit-rtl.c (init_emit_once): Initialize modes first.
4781 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
4783 * config/i386/i386.c (pic_label_name): Change to char pointer.
4784 (global_offset_table): New variable.
4785 (load_pic_register): Fill global_offset_table if it hasn't
4786 already been done. Allocate pic_label_name dynamically.
4787 * ggc.h (empty_string): New variable.
4788 * ggc-simple.c (empty_string): Likewise.
4789 (init_ggc): Allocate empty_string and add as root.
4790 * stmt.c (digit_strings): New variable.
4791 (init_stmt): Add last_block_end_note as root. Allocate and
4792 initialize digit_strings.
4793 (expand_asm_operands): Use empty_string instead of string
4794 constant. Use digit_strings instead of string constants.
4795 * profile.c (init_arc_profiler): Allocate string with
4796 ggc_alloc_string instead of xmalloc.
4797 (output_func_start_profiler): Likewise.
4798 * c-typeck.c (digest_init): Check if init is error_mark_node.
4800 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
4801 Richard Henderson <rth@cygnus.com>
4803 * ggc-page.c: New file.
4804 * Makefile.in (ggc-page.o): New.
4806 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
4808 * invoke.texi: Document -fdelete-null-pointer-checks
4809 * toplev.c (flag_delete_null_pointer_checks): New.
4810 (f_options): Add entry for -fdelete-null-pointer-checks.
4811 (rest_of_compilation): Conditionalize null pointer check
4812 elimination on flag_delete_null_pointer_checks.
4813 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
4815 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
4817 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
4818 copyright notice and special exception to GPL.
4820 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4822 * abi64.h (mips_function_value): Add prototype arguments.
4824 * mips-protos.h: New file with mips prototypes.
4826 * mips.c: Include "tm_p.h".
4827 (mktemp, lookup_name): Add prototype arguments.
4828 (extern_list, string_constant, mips_fill_delay_slot,
4829 mips_output_external, mips_output_external_libcall,
4830 mips_output_filename, mips_declare_object, function_prologue,
4831 mips_expand_prologue, function_epilogue, mips16_constant,
4832 build_mips16_function_stub, mips_output_conditional_branch):
4834 (mips_va_start): Remove unused variable `u'.
4835 (mips_va_arg): Cast value to unsigned when comparing against one.
4837 (save_restore_insns, mips_expand_prologue): Add missing arg in
4838 call to `large_int'.
4840 * mips.h: Move prototypes to mips-protos.h.
4841 (data_section, memory_address_p, rdata_section,
4842 readonly_data_section, simple_epilogue_p, text_section): Delete
4843 prototypes delcared elsewhere.
4844 (mips_epilogue_delay_slots, print_options): Delete unused decls.
4846 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
4848 * mips.md: Delete extra args in call to `mips_move_2words'.
4850 * xm-iris6.h (alloca): Add prototype argument.
4852 * genpeep.c: Include "tm_p.h" in generated output file.
4854 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4856 * basic-block.h (find_edge_index): Change parameters.
4857 * flow.c (verify_edge_list): Pass basic_block parameters to
4858 find_edge_index instead of integers.
4860 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
4862 * combine.c (simplify_comparison): Use an unsigned shift to adjust
4865 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
4867 * gcc.1: Fix a formatting error.
4869 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4871 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
4872 i786, mn10200, mn10300, pdp11, v850.
4874 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
4876 * libgcc2.c (num_digits): Add prototype with
4877 __attribute__((const)).
4878 (__terminate): Add prototype.
4880 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
4882 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
4884 * alpha/alpha.c (print_operand): Fix type of `code'.
4885 (alpha_output_filename): Constify.
4886 * alpha/alpha.h: Move all function declarations ...
4887 * alpha/alpha-protos.h: ... here. New file.
4888 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
4889 (SECTION_FUNCTION_TEMPLATE): Likewise.
4891 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4893 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
4894 * expr.c (expand_expr): Likewise.
4895 (do_jump): Likewise.
4896 (do_store_flag): Pass ccp_store_flag to can_compare_p.
4897 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
4899 (enum can_compare_purpose): New.
4900 (can_compare_p): Adjust prototype.
4901 (prepare_cmp_insn, prepare_operand): Declare.
4902 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
4903 * optabs.c (cmp_available_p): Deleted.
4904 (expand_abs): Pass ccp_jump to can_compare_p.
4905 (can_compare_p): New arg PURPOSE. Check for combined optabs.
4906 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
4907 Call can_compare_p rather than cmp_available_p.
4908 (prepare_operand): No longer static.
4909 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
4910 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
4911 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
4912 sequence to use emit_cmp_and_jump_insns.
4913 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
4915 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
4917 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
4918 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
4919 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
4920 (plus (reg) (const_int 0))
4921 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
4923 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
4925 * rs6000.c (expand_block_move): DImode loads and stores require
4926 word-aligned displacements. Increment address registers with
4927 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
4929 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
4931 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
4932 is no name for the base type, rather than segfault. If we are
4933 writing out a complex integer type, use DW_ATE_lo_user.
4935 * expr.c (emit_move_insn_1): If we are copying a complex that fits
4936 in one word or less (complex char, complex short, or on 64 bit
4937 systems complex float) to/from a hard register, copy it through
4938 memory instead of dying in gen_{real,imag}part. If we have a
4939 short complex type, prevent inlining since it allocates stack
4942 * tree.c (build_complex_type): If we are writing dwarf2 output,
4943 generate a name for complex integer types.
4945 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4947 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
4948 * flow.c (remove_edge): Remove extra whitespace.
4949 (remove_fake_edges): Fix comment.
4950 (add_noreturn_fake_exit_edges): Use the correct name.
4952 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
4954 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
4955 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
4956 (clean): Depend on INTL_CLEAN.
4957 (maintainer-clean): Adjust.
4959 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4961 * configure.in (AC_PREREQ): Bump to 2.13.
4962 (AC_C_STRINGIZE): Call this instead of using a custom macro.
4964 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
4966 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
4968 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
4970 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
4971 (HAVE_STRINGIZE): Define.
4973 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
4975 * c-parse.in: save and restore warn_pointer_arith on __extension__
4976 along with pedantic.
4977 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
4978 Set the type of extension to itype rather than $<itype>1 kludge.
4979 * extend.texi (Alternate Keywords): Adjust documentation.
4980 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
4982 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
4984 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
4985 most assembler templates.
4987 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
4988 FP loads and stores.
4989 (following_call): Always return zero for the PA8000.
4990 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
4991 FP loads and stores.
4992 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
4994 * pa.h (BRANCH_COST): Define.
4996 * pa.md (return, return_internal): Use bve for PA2.0.
4998 * pa.md (fused multiply): Add variants which reduce height for the
4999 fused multiply, but which still generate 2 insns.
5000 (fnegabs): Similarly.
5002 * pa.md (subsi3): Turn into an expander. Create two anonymous
5003 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
5004 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
5006 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
5008 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
5010 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
5011 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
5013 * regclass.c (init_regs): Add "top_of_stack" as a garbage
5016 * flow.c (record_active_eh_regions): Terminate loop after finding
5017 the last insn in the last basic block.
5019 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5021 * config/c4x/c4x.md: Delete parallel instruction peepholes.
5023 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5025 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
5027 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5029 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
5030 splitting to not use output template.
5032 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5034 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
5035 * config/c4x/c4x.c (c4x_va_start): New function.
5037 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
5039 * genrecog.c (not_both_true): Handle correctly cases when called for
5040 tests with different positions in the insn.
5042 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5044 * machmode.h (HOST_PTR_PRINTF): Move from here ...
5046 * system.h (HOST_PTR_PRINTF): ... to here.
5048 * mips-tfile.c: Don't include machmode.h.
5050 * Makefile.in (MACHMODE_H): New variable. Update to use it.
5051 (mips-tfile.o): Don't depend on machmode.h.
5053 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5055 * haifa-sched.c (sched_analyze): Rename local variable `region' to
5056 avoid conflicts with typedef struct `region' at the top level scope.
5058 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
5060 * basic-block.h (basic_block): Add eh_beg, eh_end.
5061 * flow.c (entry_exit_blocks): Update.
5062 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
5064 (find_basic_blocks_1): Don't record eh_list at each bb. Use
5065 lists.c functions to allocate insn lists.
5066 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
5068 (make_eh_edge): ... here. New.
5069 (move_stray_eh_region_notes): New.
5070 (record_active_eh_regions): New.
5071 (delete_unreachable_blocks): Split out block merging ...
5072 (try_merge_blocks): ... here. New.
5073 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
5074 Dump debugging data.
5075 (merge_blocks_move_successor_nojumps): Likewise.
5076 (merge_blocks): Use eh_beg+eh_end to validate block movement.
5078 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5080 * extend.texi (Bound member functions): Document unbound pmf
5083 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5085 * flow.c (split_edge): Handle insertion on a fallthrough edge which
5086 has the EXIT_BLOCK as a dest.
5088 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5090 * flow.c (remove_edge): New function to remove an edge from the
5092 (remove_fake_successors): New function to remove fake successor edges.
5093 (remove_fake_edges): New function to remove all fake edges from the
5095 (add_fake_exit_edges): New function to add fake edges from all blocks
5096 with no successors to the exit block.
5097 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
5098 prototypes for new functions.
5100 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5102 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
5103 Use Pmode to determine whether to output .dword or .word.
5105 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
5107 * tree.c (built_in_filename): New variable.
5108 (BUILT_IN_FILENAME): New macro.
5109 (init_tree_codes): Allocate built_in_filename.
5110 (make_node): Use built_in_filename instead of string constant.
5112 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
5114 * configure.in: Add fr30 target.
5115 * configure: Regenerate.
5116 * config/fr30: New directory.
5117 * config/fr30/crti.asm: New file.
5118 * config/fr30/fr30.c: New file.
5119 * config/fr30/crtn.asm: New file.
5120 * config/fr30/fr30.h: New file.
5121 * config/fr30/fr30.md: New file.
5122 * config/fr30/lib1funcs.asm: New file.
5123 * config/fr30/t-fr30: New file.
5124 * config/fr30/xm-fr30.h: New file.
5126 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
5128 * flow.c (merge_blocks_move_successor_nojumps): Delete the
5129 BARRIER at the end of the successor, not the BARRIER before
5132 * pa.c (pa_add_gc_roots): Fix thinko in last change.
5134 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
5136 * stmt.c (any_pending_cleanups): Don't crash when
5137 current_function->stmt is unset.
5139 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5141 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
5142 other initializations that may use it for relative offsets.
5144 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5146 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
5147 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
5148 * config/i386/sol2dbg.h: Removed.
5149 * config/i386/sol2gas.h: New file, to enable gas work-around.
5150 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
5151 Don't use sol2dbg.h.
5152 * configure: Rebuilt.
5154 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
5156 * invoke.texi (-fthis-is-variable): Remove documentation.
5158 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
5160 * basic-block.h (compute_bb_for_insn): Declare.
5161 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
5162 to use; set size of basic_block_for_insn directly.
5163 (find_basic_blocks): Update.
5165 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5167 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
5169 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5171 * crtstuff.c (ON_EXIT): Delete empty macro definition.
5172 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
5174 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
5176 * c-decl.c (c_decode_option): Extend comment.
5178 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
5180 * toplev.c (progname): Make 'const char *'
5181 (flag_print_mem): Move out of main.
5182 (version_flag): Move out of main.
5183 (filename): Move out of main.
5184 (debug_args): Remove g prefix from options.
5185 (documented_lang_options): Remove cpplib specific options.
5186 (display_help): Add g prefix to debug options.
5187 (check_lang_option): Delete this function.
5188 (decode_d_option): New function: Decode -d... option.
5189 (decode_f_option): New function: Decode -f... option.
5190 (decode_W_option): New function: Decode -W... option.
5191 (decode_g_option): New function: Decode -g... option.
5192 (independent_decode_option): New function: Decode a language
5193 independent command line option.
5194 (main): Invoke lang_decode_option and then
5195 independent_decode_option on each command line option in
5198 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
5200 Revert this change. Gavin's patch to operand_equal_p is a better fix.
5201 * fold-const.c (fold_range_test): Do not try to fold the range
5202 test if the rhs or lhs has side effects.
5204 * basic-block.h (compute_flow_dominators): Declare.
5206 * gcse.c (alloc_code_hoist_mem): New function.
5207 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
5208 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
5209 (hoist_code, one_code_hoisting_pass): Likewise.
5210 (gcse_main): If optimizing for size, then hoist expressions
5211 computed in multiple dominated basic blocks.
5213 * gcse.c (invalid_nonnull_info): New function.
5214 (delete_null_pointer_checks): Likewise.
5215 * rtl.h (delete_null_pointer_checks): Declare.
5216 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
5218 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
5219 (merge-blocks_move_successor_nojumps): Likewise.
5220 (merge_blocks): Allow merging of some blocks, even if it requires
5221 physical movement of the blocks, but not if it requires new jumps.
5223 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
5224 Callers and prototype changed.
5225 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
5227 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5229 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
5230 -YP when both -p and -pg are present. From i386/sol2.h.
5232 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5234 * Makefile.in (distclean): Delete tm_p.h.
5235 * configure.in: Create a new file, "tm_p.h", from a list in
5236 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
5237 "i386/i386-protos.h".
5239 * alias.c: Include "tm_p.h".
5240 * c-typeck.c: Likewise.
5241 * calls.c: Likewise.
5243 * emit-rtl.c: Likewise.
5244 * explow.c: Likewise.
5245 * expmed.c: Likewise.
5247 * final.c: Likewise.
5249 * fold-const.c: Likewise.
5250 * function.c: Likewise.
5252 * global.c: Likewise.
5253 * haifa-sched.c: Likewise.
5254 * integrate.c: Likewise.
5256 * local-alloc.c: Likewise.
5258 * optabs.c: Likewise.
5259 * recog.c: Likewise.
5260 * reg-stack.c: Likewise.
5261 * regclass.c: Likewise.
5262 * regmove.c: Likewise.
5263 * reload.c: Likewise.
5264 * reload1.c: Likewise.
5265 * reorg.c: Likewise.
5266 * resource.c: Likewise.
5268 * stor-layout.c: Likewise.
5269 * toplev.c: Likewise.
5271 * unroll.c: Likewise.
5272 * genattrtab.c (main): Make generated file include "tm_p.h".
5273 * genemit.c (main): Likewise.
5274 * genoutput.c (main): Likewise.
5275 * genrecog.c (main): Likewise.
5277 * i386.h: Delete all prototypes.
5278 * i386.c: Include "tm_p.h".
5279 (ix86_attr_length_default): Call constant_call_address_operand
5280 with correct number of arguments.
5281 * i386-protos.h: New file.
5282 * i386.md (unnamed patterns): Call constant_call_address_operand
5283 with correct number of arguments.
5284 (exception_receiver): Call load_pic_register with correct number
5287 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
5289 * c-pragma.c (mark_align_stack): Dereference the void* properly.
5291 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
5293 * rtl.h (insns_safe_to_move_p): New function.
5294 * loop.c (find_and_verify_loops): Use it.
5295 * rtlanal.c (insns_safe_to_move_p): Define it.
5297 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
5299 * c-pragma.c: Include ggc.h.
5300 * Makefile.in (c-pragma.o): Update.
5302 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5304 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
5305 (LIB_SPEC): Likewise.
5306 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
5307 Reindent -YP/-p/-pg.
5308 Copied from config/sparc/sol2.h.
5310 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
5312 * c-pragma.c (mark_align_stack): New.
5314 * c-pragma.h (init_pragma): Declare it.
5315 * c-lex.c (init_parse): Call it.
5317 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5319 * configure.in: Pick up thread library on Solaris/x86 just
5320 like on Solaris/sparc.
5321 * configure: Rebuilt.
5323 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
5325 * rtl.h (global_rtx_index): New enum.
5326 (global_rtl): Change to array of rtx.
5327 (pc_rtx, cc0_rtx): Redefine accordingly.
5328 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
5329 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
5330 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
5331 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
5332 (const_int_rtx): Change to array of rtx.
5333 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
5335 * emit-rtl.c (global_rtl): Change to array of rtx.
5336 (const_int_rtx): Change to aray of rtx.
5337 (gen_rtx_CONST_INT): Redefine accordingly.
5338 (init_emit_once): Allocate and initialize global_rtl. Likewise
5339 for const_int_rtx. Add both as GC roots.
5340 * genattrtab.c (global_rtl): Update declaration.
5342 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
5344 * Makefile (USER_H): Add iso646.h back.
5346 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
5348 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
5349 zapping the LOG_LINKS of sched_before_next_call.
5351 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
5352 * pa.c (insn_refs_are_delayed): Renamed from
5353 insn_sets_and_refs_are_delayed.
5355 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
5357 * functiion.h (struct function): Add x_whole_function_mode_p.
5358 (retrofit_block): Declare.
5359 * function.c (retrofit_block): New function.
5360 (identify_blocks): Add assertions. Allow an incomplete set of
5361 block notes if we're still generating code for the function.
5362 * integrate.c: Include loop.h.
5363 (expand_inline_function): Call find_loop_tree_blocks to map block
5364 notes to blocks when in whole-function mode. Use retrofit_block
5365 to insert new BLOCKs for the inlined function, rather than
5367 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
5368 * Makefile.in (integrate.o): Depend on loop.h.
5370 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
5372 * tree.h (warn_about_unused_variables): Declare.
5373 * stmt.c (warn_about_unused_variables): New function, split out
5375 (expand_end_bindings): Here.
5377 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
5379 * stmt.c (preserve_subexpressions_p): Don't crash when
5380 current_function->stmt is unset.
5382 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
5384 * stmt.c (expand_start_bindings): Allow callers to pass a flag
5385 indicating that no NOTE_INSN_BLOCK_BEG note is required.
5386 (expand_start_target_temps): Use it.
5387 * except.c (expand_eh_region_start_for_decl): Likewise.
5388 * expr.c (expand_expr): Likewise.
5390 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
5392 * fold-const.c (operand_equal_p): Pay attention to side effects.
5394 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
5396 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
5397 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
5399 * tlink.c (scan_linker_output): Look for keywords before accepting
5400 a mangled name in quotes.
5402 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
5404 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
5405 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
5407 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
5409 * alpha.md: Revert Thu Nov 26 change that came in through the
5410 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5411 Avoid earlyclobber when possible.
5413 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5415 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5417 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5418 Define HAVE_ON_EXIT.
5420 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5422 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5423 CTYPE_CONV in all ctype macros.
5425 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5428 * cexp.y (initialize_random_junk): Likewise.
5430 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5432 * i370.c (handle_pragma): Likewise.
5434 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5436 * v850.c (override_options): Likewise.
5438 * doprint.c (_doprnt): Likewise.
5440 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5443 * fixinc/server.c (load_data): Likewise.
5445 * fold-const.c (real_hex_to_f): Likewise.
5447 * genattr.c (write_upcase, gen_attr): Likewise.
5449 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5450 write_upcase): Likewise.
5452 * genemit.c (print_code): Likewise.
5454 * genopinit.c (gen_insn): Likewise.
5456 * genpeep.c (print_code): Likewise.
5458 * genrecog.c (print_code): Likewise.
5460 * optabs.c (init_libfuncs): Likewise.
5462 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5464 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5466 (reemit_notes): Likewise.
5468 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5470 * ggc.h (ggc_root): Move to ggc-common.c.
5472 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5473 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5474 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5475 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5476 * ggc-common.c (ggc_root): Move from ggc.h.
5477 (roots): Declare, static.
5478 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5479 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5480 null or check/set mark bit.
5481 (ggc_mark_roots): New.
5482 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5484 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5486 * m32r.c: Include toplev.h.
5487 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5488 (gen_compare): Rename swap_p to must_swap to match uses.
5489 Add default abort case.
5490 (m32r_output_function_epilogue): Remove unused variables.
5491 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5492 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5493 define to empty parameter list. Update all uses.
5494 (predicate decls): Use enum machine_mode not int.
5495 * m32r.md (movsi): Call abort, not fatal_insn.
5496 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5498 1999-09-14 Andrew Haley <aph@cygnus.com>
5500 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5501 use $0 instead of 0.
5503 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5505 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5506 computation out of loop over hard regs.
5508 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5510 * function.c (identify_blocks): Don't shadow a variable in an
5512 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5513 pushdecl, or poplevel to build up the new BLOCK tree.
5514 (expand_inline_function): Likewise.
5515 (integrate_parm_decls): Likewise.
5517 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5519 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5521 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5523 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5524 * invoke.texi: Document this change.
5526 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5528 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
5530 (mark_emit_status): Renamed from mark_emit_state.
5531 * except.c (mark_eh_status): Renamed from mark_eh_state.
5532 Check not null before marking.
5533 (free_eh_status): New.
5534 * expr.c (mark_expr_status, free_expr_status): New.
5535 * function.c (free_machine_status): New.
5536 (free_after_parsing): New.
5537 (free_after_compilation): Move bits to free_after_parsing; call
5538 free_eh_status, free_expr_status; zero the marked members of the
5540 (prepare_function_start): No can_garbage_collect.
5541 Call init_eh_for_function.
5542 (expand_dummy_function_end): Free up current_function state.
5543 (mark_function_status): Renamed from mark_function_state.
5544 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
5545 * function.h (struct function): No can_garbage_collect.
5546 (free_machine_status, free_after_parsing): Declare.
5547 (free_eh_status, free_expr_status): Declare.
5548 * ggc.h (mark_expr_status): Declare.
5549 * stmt.c (free_stmt_status): Free the struct.
5550 (mark_stmt_status): Renamed from mark_stmt_state.
5551 (init_stmt): Don't call init_eh.
5552 (init_stmt_for_function): Don't call init_eh_for_function.
5553 * toplev.c (compile_file): Call init_eh.
5554 (rest_of_compilation): Free basic block info before ggc_collect.
5555 Call free_after_parsing; conditionally call free_after_compilation.
5556 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
5557 Check not null before marking.
5558 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
5560 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
5562 * c-lex.c (yylex): Initialize warn.
5564 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
5566 * pa.c (emit_move_sequence): Properly set the mode of the scratch
5567 register when performing secondary reloads for the SAR register.
5569 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
5571 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
5572 (NOTE_BLOCK): New macro.
5573 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
5574 * function.h (identify_blocks): Change prototype.
5575 * function.c (identify_blocks): Simplify.
5576 (reorder_blocks): Likewise.
5577 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
5578 NOTE_INSN_BLOCK_{BEG,END}.
5579 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
5580 the list of saved notes if the note isn't a
5581 NOTE_INSN_BLOCK_{BEG,END}.
5582 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
5584 (reemit_notes): Adjust recreation of notes to reflect new saved
5586 * print-rtl.c (print_rtx): Print the address of the BLOCK when
5587 printing a block note.
5588 * stmt.c (block_vector): Remove.
5589 (find_loop_tree_blocks): Simplify.
5590 (unroll_block_trees): Likewise.
5591 * tree.h (reorder_block): Change prototype.
5593 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
5595 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
5596 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
5597 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
5598 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
5599 (atexit, exit): Simplify.
5600 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
5601 * config/lots: Remove defns of HAVE_ATEXIT.
5603 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
5605 * calls.c (precompute_arguments): Fix typo in comment.
5606 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
5609 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
5611 * dsp16xx.c (override_options): Fix typos in GC root registration.
5613 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
5615 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
5617 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
5618 (FUNCTION_PROFILER): Redefine appropriately for Linux.
5619 (CC1_SPEC): Likewise.
5621 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5623 * genattr.c (main): Add extern prototype. Call return, not exit.
5624 * genattrtab.c (main): Likewise.
5625 * gencheck.c (main): Likewise.
5626 * gencodes.c (main): Likewise.
5627 * genconfig.c (main): Likewise.
5628 * genemit.c (main): Likewise.
5629 * genextract.c (main): Likewise.
5630 * genflags.c (main): Likewise.
5631 * gengenrtl.c (main): Likewise.
5632 * genopinit.c (main): Likewise.
5633 * genoutput.c (main): Likewise.
5634 * genpeep.c (main): Likewise.
5635 * genrecog.c (main): Likewise.
5637 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
5638 * genattrtab.c (get_insn_name): Likewise.
5639 * gencodes.c (get_insn_name): Likewise.
5640 * genconfig.c (get_insn_name): Likewise.
5641 * genemit.c (get_insn_name): Likewise.
5642 * genextract.c (get_insn_name): Likewise.
5643 * genflags.c (get_insn_name): Likewise.
5644 * genopinit.c (get_insn_name): Likewise.
5645 * genpeep.c (get_insn_name): Likewise.
5647 * gencheck.c (usage): Add static prototype.
5648 * genextract.c (print_path): Constify a char*.
5649 * genopinit.c (optabs): Likewise.
5650 * genoutput.c (operand_data, data, output_predicate_decls,
5651 compare_operands): Likewise.
5652 * genrecog.c (write_tree): Add default case in switch.
5654 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5656 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
5658 * print-rtl.c (get_insn_name): Remove prototype.
5660 * toplev.h (progname): Declare const.
5662 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
5663 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
5664 dump_sched_info, dump_local_alloc, regset_release_memory,
5665 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
5666 error_with_file_and_line, error_with_decl, error_for_asm, error,
5667 fatal, warning_with_file_and_line, warning_with_decl, warning,
5668 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
5669 Remove redundant prototypes.
5671 (notice, check_lang_option, report_file_and_line, vnotice,
5672 mark_file_stack): Add static prototype.
5673 (set_fatal_function): Add prototype.
5674 (vnotice, report_file_and_line, set_fatal_function,
5675 check_lang_option): Constify a char*.
5676 (main): Prototype. Call return, not exit.
5678 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5680 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
5682 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
5684 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
5686 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
5688 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5690 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
5691 behave as if it's zero in all cases.
5692 (expand_function_start): Adjust call to assign_parms.
5693 * tree.h (assign_parms): Adjust prototype.
5694 * objc/objc-act.c (hack_method_prototype): Adjust call to
5697 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
5699 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
5700 arg_pointer_rtx fixed if the argument pointer register is
5702 (NONZERO_BASE_PLUS_P): Likewise.
5704 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
5706 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
5707 match_insn2 to match_insn.
5708 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
5710 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
5712 * Makefile.in (USER_H): Remove va-foo.h.
5714 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
5715 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
5716 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
5717 va-spur.h,va-v850.h}: Remove.
5719 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
5721 * sparc/sparc.md (eligible_for_return_delay): New attribute.
5722 (in_return_delay): Use it instead of match_insn.
5724 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5726 * config/alpha/va_list.h (va-alpha.h): Do not include.
5727 (__gnuc_va_list): Typedef as in varargs.h.
5729 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
5731 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
5732 DECL_LIVE_RANGE_RTL.
5734 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
5736 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
5737 not NOTE_BLOCK_NUMBER.
5738 (expand_eh_region_end): Likewise.
5739 (find_exception_handler_labels): Likewise.
5740 (scan_region): Likewise.
5741 (exception_optimize): Likewise.
5742 (update_rethrow_references): Likewise.
5743 (set_insn_eh_region): Likewise.
5744 * final.c (final_scan_insn): Likewise.
5745 * flow.c (make_edges): Likewise.
5746 * integrate.c (expand_inline_function): Likewise.
5747 * print-rtl.c (print_rtx): Likewise.
5749 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
5751 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
5752 terms of builtin functions and types.
5754 * mips.c (mips_build_va_list): New.
5755 (mips_va_start, mips_va_arg): New.
5756 * mips.h (BUILD_VA_LIST_TYPE): New.
5757 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5759 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
5760 (sh_build_va_list, sh_va_start, sh_va_arg): New.
5761 * sh.h (BUILD_VA_LIST_TYPE): New.
5762 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5764 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
5766 * recog.h (struct recog_data): Make dup_num, operand_address_p,
5767 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
5768 (struct insn_data): Likewise with n_operands, n_dups,
5769 n_alternatives, output_format.
5770 * regclass.c (scan_one_insn): Cast n_operands to int before
5771 arithmetic inside comparison.
5773 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
5775 * toplev.c (compile_function): Unconditionally emit nop.
5777 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5779 * haifa-sched.c (actual_hazard): Move declaration of variable
5780 `this_cost' into the scope where it is used.
5782 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5784 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
5785 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
5786 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
5788 * genrecog.c (make_insn_sequence): Call memset, not bzero.
5790 * jump.c (find_insert_position): Don't declare or define unless
5791 !HAVE_conditional_arithmetic.
5792 (returnjump_p_1, delete_prior_computation): Add static prototypes.
5794 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
5796 * recog.c (offsettable_address_p): Prototype function pointer.
5797 (preprocess_constraints): Call memset, not bzero.
5799 * tree.c (tree_node_kind_names): Constify a char*. Make static.
5800 (gcc_obstack_init): Don't declare.
5801 (fix_sizetype): Add static prototype.
5802 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
5803 (tree_cons): Call memset, not bzero.
5805 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
5806 definition in macro ASM_WEAKEN_LABEL.
5807 (mark_const_hash_entry): Add static prototype.
5809 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5811 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
5813 * unroll.c (find_common_reg_term, subtract_reg_term,
5814 loop_find_equiv_value): Add static prototypes.
5815 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
5816 (copy_loop_body): Remove unreachable break statement.
5818 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
5820 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
5822 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5824 Undo some changes from the gcc2 merge:
5825 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
5826 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
5830 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
5831 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5832 initialized float-int union if the value is a NaN.
5834 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
5836 * gthr-win32.h: New file.
5838 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
5839 shared as a valid attribute.
5840 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
5841 * extend.texi: Document `shared' variable attribute.
5843 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
5845 * configure.in: Handle --enable-threads on FreeBSD.
5846 * configure: Rebuit.
5848 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5850 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
5852 * configure: Rebuilt.
5854 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
5855 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
5856 Rosimildo DaSilva <rdasilva@connecttel.com>
5858 * configure.in (m68k-*-rtemscoff*): Added.
5859 * configure.in (mips64orion-*-rtems*): Converted to ELF.
5860 * configure.in (sparc-*-rtemsaout*): Added as alias for old
5861 sparc-rtems configuration.
5862 * configure.in (sparc-*-rtemself*): Added.
5863 * configure.in (sparc-*-rtems*): Now ELF not a.out.
5864 * config/i386/rtems.h: Added comment.
5865 * config/sparc/rtemself.h: New file.
5867 * configure.in (m68k-rtemself): Added.
5868 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
5869 and DWARF_DEBUGGING_INFO.
5870 * config/m68k/crti.s: New file.
5871 * config/m68k/crtn.s: New file.
5872 * config/m68k/t-crtstuff: New file.
5873 * config/m68k/rtemself.h: New file.
5875 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
5876 global ctor/dtor and C++ exception handling.
5877 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
5878 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
5880 * config/i386/t-rtems-i386: New File.
5882 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
5884 * stmt.c (expand_end_case): Return right away if the case stack is
5887 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
5889 * Makefile.in (version.c): Remove rule incorrectly brought in from
5892 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
5894 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
5895 * msdos/top.sed: Take into account a prepended $(SHELL) to
5897 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
5899 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
5901 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5903 * regmove.c (fixup_match_1): Don't change an unchanging register.
5904 (stable_but_for_p): Renamed to:
5905 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
5906 Changed all callers.
5908 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
5910 * loop.c (strength_reduce): Don't call reg_used_between_p if the
5911 insn from BL2 is after the insn from BL.
5913 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
5915 * recog.h (INSN_OUTPUT_FORMAT_*): New.
5916 (struct insn_data): Merge `template' and `outfun' into `output'.
5917 Add `output_format'.
5918 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
5919 (struct data): Remove `outfun'; add `output_format'.
5920 (name_for_index): Remove declaration.
5921 (output_insn_data): Handle output formats.
5922 (process_template): Emit the bare array for @.
5923 (gen_expand, gen_split): Set output_format to NONE.
5924 * output.h (get_insn_template): Declare.
5925 * final.c (get_insn_template): New.
5926 (final_scan_insn): Use it.
5927 * toplev.c (compile_file): Likewise.
5929 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5930 * i860/i860.c (output_delayed_branch): Likewise.
5931 (output_delay_insn): Likewise.
5933 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5935 * rtl.c (obstack_alloc_rtx): Removed.
5937 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
5939 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
5941 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
5943 * i386.c (call_insn_operand): Reject const_int.
5944 (expander_call_insn_operand): Use call_insn_operand.
5946 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5948 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
5950 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
5952 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
5953 Use DImode operation.
5955 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
5957 * gcc.c: Include sys/resource.h.
5958 (report_times): New flag.
5959 (execute): If report_times is set, calculate and report the
5960 CPU time consumed by each subprocess.
5962 (rus, prus): New globals.
5963 (option_map): Add --time.
5964 (display_help): Document -time.
5965 (process_command): Set report_times if -time is given.
5966 Turn off -pipe if -time is given.
5968 * invoke.texi: Document new option -time.
5970 * configure.in: Check for getrusage. Check if we have to
5971 prototype getrusage.
5972 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
5973 * configure: Regenerate.
5974 * config.in: Regenerate.
5976 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
5978 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
5981 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
5983 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
5984 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
5985 (nan): Return _thenan_sf or _thenan_df as appropriate.
5986 (L_thenan_sf): Define _thenan_sf.
5987 (L_thenan_df): Define _thenan_df.
5989 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
5990 (DPBIT_FUNCS): Add _thenan_df.
5992 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
5994 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
5997 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5999 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
6002 (lang_specific_driver): Don't take a function pointer parameter.
6003 All callers changed.
6005 * gcc.c: Include gcc.h.
6006 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
6007 lang_specific_extra_outfiles, fatal): Don't declare.
6008 (multilib_defaults_raw): Constify.
6009 (read_specs): Call memset, rather than bzero.
6010 (main): Call return, not exit.
6011 (lookup_compiler): Call memcpy, not bcopy.
6012 (fatal): Make extern.
6014 * cppspec.c: Include gcc.h.
6015 (lang_specific_driver): Initialize variable `quote'. Constify a
6016 char*. All calls to the function pointer parameter now
6017 explicitly call `fatal'.
6019 * gccspec.c (lang_specific_driver): Include gcc.h.
6021 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
6023 * arm.c (note_invalid_constants): Use recog_data.operand_type
6026 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6028 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
6031 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
6032 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6033 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6034 reload_secondary_in_reload, reload_secondary_out_reload,
6035 reload_secondary_in_icode, reload_secondary_out_icode,
6036 reload_reg_rtx, reload_when_needed): Delete declarations.
6037 (struct reload): New structure.
6038 (rld): Declare new array.
6039 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
6040 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6041 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6042 reload_secondary_in_reload, reload_secondary_out_reload,
6043 reload_secondary_in_icode, reload_secondary_out_icode,
6044 reload_reg_rtx, reload_when_needed): Delete definitions.
6046 (whole file): Replace uses of the deleted arrays with uses of rld.
6047 * reload1.c (whole file): Replace uses of the deleted arrays with
6049 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
6050 explicit loops, not with bcopy.
6052 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
6054 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
6055 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
6056 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
6057 insn_name): Delete and consolidate into new structures.
6058 (insn_operand_predicate_fn): New.
6059 (insn_output_fn): New.
6061 (struct insn_operand_data): New.
6062 (struct insn_data): New.
6064 (OUT_FCN): Update for insn_data change.
6065 * builtins.c (expand_builtin_strlen): Likewise.
6066 (expand_builtin_memcmp): Likewise.
6067 * combine.c (make_extraction, simplify_comparison): Likewise.
6068 * cse.c (canon_reg, cse_insn): Likewise.
6069 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
6070 * expmed.c (store_bit_field, extract_bit_field): Likewise.
6071 (emit_store_flag): Likewise.
6072 * expr.c (convert_move, emit_block_move): Likewise.
6073 (clear_storage, emit_push_insn, expand_increment): Likewise.
6074 (do_store_flag): Likewise.
6075 * expr.h (GEN_FCN): Likewise.
6076 (insn_gen_function): Die.
6077 * final.c (final_scan_insn): Update for insn_data change.
6078 (output_asm_name): Likewise.
6079 * function.c (fixup_var_refs_1): Likewise.
6080 * loop.c (check_dbra_loop): Likewise.
6081 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
6082 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
6083 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
6084 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
6085 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
6086 * regmove.c (gen_add3_insn): Likewise.
6087 * reload.c (push_secondary_reload, combine_reloads): Likewise.
6088 (find_reloads, find_reloads_address_1): Likewise.
6089 (debug_reload_to_stream): Likewise.
6090 * reload1.c (emit_reload_insns, gen_reload): Likewise.
6091 * stmt.c (expand_end_case): Likewise.
6092 * toplev.c (compile_file): Likewise.
6094 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6095 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6097 * print-rtl.c (insn_name_ptr): Remove declaration.
6098 (get_insn_name): Declare.
6099 (print_rtx): Use it.
6100 * genoutput.c (insn_name_ptr): Remove.
6101 (next_operand_number): New.
6102 (struct operand_data): New.
6103 (null_operand, odata, odata_end): New.
6104 (struct data): Use struct operand_data.
6105 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
6106 (get_insn_name): Renamed from name_for_index.
6107 (output_prologue): Define NO_MD_PROTOTYPES.
6108 (output_predicate_decls): Break out from output_epilogue.
6109 Iterate over the operands list.
6110 (output_operand_data): Break out from output_epilogue. Emit
6111 just the operands list.
6112 (output_insn_data): Break out from output_epilogue. Emit just
6114 (output_epilogue): Remove.
6115 (output_get_insn_name): New.
6116 (constraints, op_n_alternatives, predicates, address_p): Die.
6117 (modes, strict_low, seen): Die.
6118 (scan_operands): Take new param `d' instead of writing to
6119 seven global variables.
6120 (compare_operands): New.
6121 (place_operands): New.
6122 (validate_insn_alternatives): Update for struct data change.
6123 (gen_insn): Don't zero or copy 7 global arrays. Update for
6124 scan_operands; call place_operands.
6125 (gen_peephole, gen_expand, gen_split): Likewise.
6126 (main): Update for new output routines.
6128 * genattr.c (insn_name_ptr): Remove.
6129 (get_insn_name): New function.
6130 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
6131 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
6132 * genrecog.c: Likewise.
6134 * alpha.md (adddi3): Make `pattern' array static.
6136 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6138 * config/c4x/c4x.h (c4x_rpts_cycles_string,
6139 c4x_cpu_version_string): Constify char *.
6140 * config/c4x/c4x.c (c4x_rpts_cycles_string,
6141 c4x_cpu_version_string): Likewise.
6143 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
6145 * tree.c (save_tree_status): Revert 10 Sep change.
6146 (restore_tree_status): Likewise. Call obstack_free with NULL
6147 before freeing the obstack proper.
6149 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
6151 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
6153 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
6154 surrounding context.
6156 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
6158 * tree.c (type_hash_canon): Put all types in the hash-table, when
6161 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
6163 * recog.h (struct recog_data, recog_data): New.
6164 (recog_foo variables): Kill.
6165 * recog.c (recog_operand, recog_operand_loc): Kill.
6166 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
6167 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
6168 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
6169 (recog_data): Define.
6170 (extract_insn): Update all recog_foo references to use recog_data.
6171 (preprocess_constraints, constrain_operands): Likewise.
6172 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
6173 * genattrtab.c (main): Likewise.
6174 * genextract.c (main): Likewise.
6175 * genoutput.c: Likewise.
6176 * genrecog.c (write_subroutine, main): Likewise.
6177 * local-alloc.c (block_alloc): Likewise.
6178 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
6179 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
6180 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
6181 * reload.c (find_reloads, find_reloads_toplev): Likewise.
6182 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
6183 (reload_cse_simplify_operands): Likewise.
6185 * arc/arc.c (arc_final_prescan_insn): Likewise.
6186 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
6187 * h8300/h8300.c (notice_update_cc): Likewise.
6188 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
6189 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6190 * mn10200/mn10200.c (notice_update_cc): Likewise.
6191 * mn10300/mn10300.c (notice_update_cc): Likewise.
6192 * romp/romp.c (update_cc): Likewise.
6193 * sparc/sparc.c (check_pic): Likewise.
6194 * v850/v850.c (notice_update_cc): Likewise.
6196 * genemit.c (main): Don't declare recog_operand.
6198 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
6200 * ggc.h (rtvec_def): Forward declare.
6201 (tree_node): Likewise.
6204 (ggc_set_mark_rtx): Add prototype.
6205 (ggc_set_mark_rtvec): Likewise.
6206 (ggc_set_mark_tree): Likewise.
6207 * ggc-simple.c (ggc_root): Don't define.
6208 (roots): Don't declare.
6209 (ggc_mark_rtx): Remove.
6210 (ggc_mark_rtvec): Likewise.
6211 (ggc_mark_tree): Likewise.
6212 (ggc_mark_varray): Likewise.
6213 (ggc_mark_tree_hash_table_entry): Likewise.
6214 (ggc_mark_tree_hash_table): Likewise.
6215 (ggc_set_mart_rtx): New function.
6216 (ggc_set_mark_rtvec): Likewise.
6217 (ggc_set_mark_tree): Likewise.
6218 (ggc_add_root): Remove.
6219 (ggc_add_rtx_root): Likewise.
6220 (ggc_remove_tree_root): Likewise.
6221 (ggc_add_string_root): Likewise.
6222 (ggc_add_tree_varray_root): Likewise.
6223 (ggc_add_tree_hash_table_root): Likewise.
6224 (ggc_del_root): Likewise.
6225 (ggc_mark_rtx_ptr): Likewise.
6226 (ggc_mark_tree_ptr): Likewise.
6227 (ggc_mark_string_ptr): Likewise.
6228 (ggc_mark_tree_varray_ptr): Likewise.
6229 (ggc_mark_tree_hash_table_ptr): Likewise.
6230 * ggc-common.c: New file.
6231 * Makefile.in (OBJS): Add ggc-common.o.
6232 (ggc-common.o): List dependencies.
6234 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
6236 * cppalloc.c (xstrdup): Use memcpy.
6237 * cpperror.c (cpp_print_containing_files): Don't use
6239 * cpplib.c (conditional_skip): Set temp->lineno.
6240 (do_endif): Make error message less obscure.
6241 (if_directive_name): New function.
6242 (cpp_get_token [case EOF]): Unwind the if stack and generate
6243 error messages for each unterminated conditional in this file.
6244 (parse_string): Do not behave differently if -traditional.
6246 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
6248 * builtins.c (expand_builtin_va_arg): Cope with an array-type
6249 va_list decomposing to pointer-type.
6250 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
6251 (rs6000_va_arg): Likewise.
6253 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
6255 * except.c (start_dynamic_handler): Compute size using
6256 STACK_SAVEAREA_MODE.
6258 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6260 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
6261 include directory headers. Don't define strrchr. Don't provide
6262 my_* replacement functions. Prefer PTR over `pointer_type'.
6263 Don't prototype system functions. Don't redefine getopt.
6265 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
6266 safe_read, safe_write, save_pointers, restore_pointers,
6267 is_id_char, in_system_include_dir, directory_specified_p,
6268 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
6269 find_corresponding_lparen, referenced_file_is_newer,
6270 save_def_or_dec, munge_compile_params, gen_aux_info_file,
6271 process_aux_info_file, identify_lineno, check_source,
6272 seek_to_line, forward_to_next_token_char, output_bytes,
6273 output_string, output_up_to, other_variable_style_function,
6274 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
6275 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
6276 find_static_definition, connect_defs_and_decs, add_local_decl,
6277 add_global_decls, needs_to_be_converted, visit_each_hash_node,
6278 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
6279 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
6280 scan_for_missed_items, edit_file, string_list_cons): Add static
6282 (standard_exec_prefix, target_machine, target_version,
6283 default_syscalls_dir, string_list, string_list_cons, find_file,
6284 do_cleaning): Constify a char*.
6285 (safe_read, safe_write): Use PTR, not a char*.
6286 (is_id_char): Take an int, not a char.
6287 (main): Add prototype. Call return, not exit.
6289 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
6291 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
6292 when comparing types.
6294 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
6296 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
6297 (strength_reduce): Release the varrays from the no-bivs early exit.
6299 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
6300 the loop over the registers.
6302 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
6304 (restore_tree_status): Check that instead when freeing the obstack.
6306 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
6308 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
6311 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6313 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
6314 operand size modifiers.
6316 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6318 * c-common.c (c_common_nodes_and_builtins): Don't build
6320 * c-common.h (enum c_tree_index and related accesor macros): Remove
6321 everything now declared in tree.h.
6322 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6323 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
6324 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
6325 (error_mark_node, void_type_node, char_type_node, integer_type_node,
6326 unsigned_type_node, ptr_type_node, va_list_type_node,
6327 integer_zero_node, null_pointer_node, integer_one_node): Delete.
6328 (init_decl_processing): Call build_common_tree_nodes and
6329 build_common_tree_nodes_2 instead of building their nodes here.
6330 Don't add roots for these nodes.
6331 * stor-layout.c (size_zero_node, size_one_node): Delete.
6332 (set_sizetype): Make a new node for bitsizetype each time.
6333 * tree.c (global_trees): New variable.
6334 (init_obstacks): Add a gc root for it.
6335 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6336 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
6337 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
6338 (build_common_tree_nodes): New function.
6339 (fix_sizetype): New function.
6340 (build_common_tree_nodes_2): New function.
6341 * tree.h (enum tree_index): New.
6342 (global_trees): Declare.
6343 Add accessor macros for all nodes now moved to global_trees.
6344 Delete their declarations.
6346 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
6348 * c-decl.c (finish_function): When processing a nested function,
6349 push and pop GC context around rest_of_compilation.
6351 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
6353 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
6354 Default ix86_arch to PROCESSOR_I386.
6355 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
6356 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
6357 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
6358 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
6359 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
6360 (EXTRA_SPECS): Remove deleted specs.
6362 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
6364 * function.c (assign_stack_local_1): Allocate from
6365 function->x_frame_offset, not frame_offset.
6367 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
6369 * ggc.h (lang_cleanup_tree): Remove.
6370 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
6371 * ggc-callbacks.c (lang_cleanup_tree): Remove.
6373 * c-decl.c (finish_struct): Use ggc_alloc to allocate
6374 TYPE_LANG_SPECIFIC when garbage collecting.
6375 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
6376 (lang_cleanup_tree): Remove.
6378 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6380 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
6381 * crtstuff.c: Not here.
6382 * dwarf2out.c: Or here.
6383 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
6386 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
6388 * function.h (free_after_compilation): Remove decl parameter.
6389 (free_varasm_status0: Likewise.
6390 (free_emit_status): Likewise.
6391 (free_stmt_status): Likewise.
6392 (free_after_compilation): Likewise.
6393 (init_lang_status): New variable.
6394 (free_lang_status): Likewise.
6395 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
6396 * function.c (init_lang_status): New variable.
6397 (free_lang_status): Likewise.
6398 (push_function_context_to): Don't set function::decl here.
6399 (free_after_copmilation): Make decl parameter implicit. Call
6400 free_lang_status if defined.
6401 (prepare_function_start): Call init_lang_status if defined.
6402 (init_function_start): Set function::decl here.
6403 * profile.c (output_func_start_profiler): Don't call pushdecl
6404 until we've actually started the function.
6405 * stmt.c (free_stmt_status): Make decl parameter implicit.
6406 * toplev.c (rest_of_compilation): Don't pass decl to
6407 free_after_compilation.
6408 * varasm.c (free_varasm_status): Likewise.
6410 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6412 * except.c (call_get_eh_context): Add root when allocating static
6415 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6417 * arm.c: Include "ggc.h".
6418 (arm_add_gc_roots): New function.
6419 (arm_override_options): Call it.
6420 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6422 * arm.md (define_asm_attributes): Add a pool_range attribute.
6424 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6426 * extend.texi (Volatiles): New node.
6428 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6430 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6431 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6432 (struct ggc_any): Replace `mark' with `magic_mark'.
6433 (ggc_alloc_string): Use memcpy, not bcopy.
6434 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6435 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6436 (ggc_free_any): New.
6437 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6438 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6439 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6440 Use IS_MARKED. Use ggc_free_any.
6442 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6444 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6446 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6448 * toplev.c (main): Always init_ggc.
6450 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6452 * except.c (find_all_handler_type_matches): Free the list if
6453 we found no matches.
6455 * combine.c (SUBST): Break out to a real function do_SUBST.
6456 (SUBST_INT): Likewise.
6457 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6458 (pre_insert): Free `inserted'.
6459 * loop.c (basic_induction_var): Always set `location'.
6461 * function.c (expand_function_end): Add initial_trampoline as a root.
6462 * rtl.h (init_varasm_once): Declare.
6463 * toplev.c (compile_file): Call it.
6464 * ggc-simple.c (ggc_mark_string_ptr): New.
6465 (ggc_add_string_root): New.
6466 (ggc_collect): Disable collection avoidance temporarily.
6467 * ggc.h (ggc_add_string_root): Declare.
6468 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6469 * optabs.c (init_libfuncs): Likewise.
6470 * varasm.c (named_section): Use ggc_alloc_string.
6471 (make_function_rtl): Likewise.
6472 (make_decl_rtl): Likewise.
6473 (assemble_static_space): Likewise.
6474 (assemble_trampoline_template): Likewise.
6475 (output_constant_def): Likewise.
6476 (force_const_mem): Likewise.
6477 (mark_const_hash_entry): New.
6478 (mark_pool_sym_hash_table): New.
6479 (mark_varasm_state): Use it.
6480 (init_varasm_once): New.
6482 * expr.h (init_one_libfunc): Declare.
6483 * optabs.c (init_one_libfunc): New.
6484 (init_optabs): Use it.
6485 * config/gofast.h: Likewise.
6486 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6487 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6489 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6491 * Makefile.in (cppexp.o): Depend on cpphash.h.
6492 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6494 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6495 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6496 redefining poisoned identifiers, etc.
6497 (do_undef): Don't allow poisoned identifiers to be undefined.
6498 (do_pragma): Add #pragma poison.
6499 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6501 * cccp.c: Add T_POISON node type.
6502 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6504 (do_define): Generalise to handle poisoned definitions,
6505 redefining poisoned identifiers, etc.
6506 (do_undef): Don't allow poisoned identifiers to be undefined.
6507 (do_pragma): Add #pragma poison.
6508 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6510 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6511 * c-pragma.h: Add ps_poison state. We now always have generic
6514 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6516 * ggc.h (ggc_alloc): New function.
6517 (ggc_mark): Likewise.
6518 * ggc-simple.c (ggc_any): New structure.
6519 (ggc_status): Add anys.
6520 (n_anys_collected): New variable.
6521 (ggc_alloc): Define.
6522 (ggc_mark): Likewise.
6523 (ggc_collect): Collect the anys.
6525 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6527 * c-decl.c (mark_binding_level): Make static to match prototype.
6529 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
6531 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
6533 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
6535 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
6536 will use into account. Expand the max width to 5.
6539 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
6541 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
6544 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
6546 * alpha.md (call value patterns): Remove the result predicates.
6548 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
6550 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
6553 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6555 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
6556 changed from extern char *, to extern PTR. Also fix typo in
6557 NEED_DECLARATION_REALLOC test.
6559 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
6561 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6563 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
6564 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
6565 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
6566 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
6568 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
6570 * cccp.c (pcfinclude): Likewise.
6572 * global.c (allocno_compare): Likewise.
6574 * haifa-sched.c (rank_for_schedule): Likewise.
6576 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
6578 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
6580 * stupid.c (stupid_reg_compare): Likewise.
6582 * tree.c (_obstack_allocated_p): Likewise.
6584 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
6586 1999-09-08 Bruce Korb autogen@linuxbox.com
6588 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
6589 why "gperf -F" fails.
6590 * gcc/cp/Makefile.in: ditto
6591 * gcc/Makefile.in: ditto
6592 * gcc/java/Makefile.in: ditto
6594 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
6596 * lists.c: Include ggc.h.
6598 (init_EXPR_INSN_LIST_cache): Install it.
6600 * ggc-simple.c (init_ggc): Absorb the old init.
6601 (ggc_push_context): Use xcalloc.
6602 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
6603 (ggc_collect): Add [rvts] tags to the collection stats.
6605 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
6607 * cccp.c (main): Fix handling of -include and -imacros options.
6609 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
6611 * cpplib.c (cpp_push_buffer): Fix order of arguments.
6613 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
6615 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
6618 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6620 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
6621 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
6622 and SET_DEST. Update comment.
6624 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6626 * config/c4x/c4x.c: Include ggc.h.
6627 (c4x_add_gc_roots): New function.
6628 (c4x_override_options): Call c4x_add_gc_roots.
6630 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
6632 * defaults.h (TARGET_ESC): Move ...
6633 * system.h: ... here, where Linas had it in the first place. Silly me.
6635 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
6637 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
6638 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
6639 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
6640 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
6641 * defaults.h (TARGET_ESC): Add default.
6643 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
6645 * configure.in: add i370-*-openedition, i370-*-mvs and
6646 i370-*-linux targets
6648 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
6650 * dsp16xxx.c: Include ggc.h
6651 (override_options): Mark GC roots.
6652 * mn10200.c: Include ggc.h.
6653 (asm_file_start): Mark GC roots.
6654 * tahoe.c: Include ggc.h.
6655 (extensible_operand): Mark GC roots.
6657 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
6659 * README: Add section discussing status of ELF ABI.
6660 * i370.c: Fix misc spelling mistakes.
6661 (i370_label_scan): Updated notes, exception handling.
6662 (i370_function_prolog): Simplify ELF stack handling.
6663 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
6664 (STACK_GROWS_DOWNWARD): ELF stack grows down.
6665 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
6666 * i370.md: (movdi): Add notes.
6667 (floatsidf2): Use stack not rtca for scratch float area.
6668 (iorsi3): Correct operand constraints.
6669 * x-oe: Restore TAROUTOPTS which are used by pax.
6671 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
6673 * rs6000.c: Include ggc.h.
6674 (rs6000_add_gc_roots): New function.
6675 (override_options): Call it.
6677 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
6679 * alpha.h (alpha_compare): New.
6680 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
6681 * alpha.c: Likewise for the definitions.
6682 (alpha_emit_conditional_branch): Update for alpha_compare.
6683 (alpha_emit_conditional_move): Likewise.
6684 * alpha.md (cmpdf, cmpdi): Likewise.
6685 (setcc patterns): Likewise. Zero alpha_compare after use.
6686 (sne): Optimize (x != 0) into (0U < x).
6688 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
6690 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
6691 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
6692 (INIT_EXPANDERS): Remove.
6693 * alpha.c: Include ggc.h.
6694 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
6695 (alpha_init_machine_status, alpha_mark_machine_status): New.
6696 (override_options): Install them.
6697 (struct machine_function): Moved to alpha.h.
6698 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
6699 (alpha_init_expanders): Remove.
6700 (alpha_return_addr): Adjust to use current_function->machine.
6701 (alpha_ra_ever_killed): Likewise.
6702 (alpha_expand_epilogue): Likewise.
6703 * alpha.md (eh_epilogue): Likewise.
6705 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
6706 Melissa O'Neill <oneill@cs.sfu.ca>
6707 Geoffrey Keating <geoffk@cygnus.com>
6709 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
6710 call-used registers (call-saved registers must still be contiguous
6711 and end with r31, of course).
6713 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
6715 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
6716 (self_promoting_type_p): Delete.
6717 (self_promoting_args_p): Move ...
6718 * c-common.c: ... here.
6719 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
6720 (simple_type_promotes_to): New.
6721 * builtins.c (lang_type_promotes_to): New.
6722 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
6723 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
6724 * c-common.h: ... here.
6725 (self_promoting_args_p, simple_type_promotes_to): Declare.
6726 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
6727 (grokdeclarator): Likewise.
6728 * tree.h (lang_type_promotes_to): Declare.
6730 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
6732 Add some machine-dependent GC roots.
6733 * sparc.c: Include ggc.h.
6734 (sparc_add_gc_roots): New function.
6735 (mark_ultrasparc_pipeline_state): Likewise.
6736 (override_options): Call sparc_add_gc_roots.
6737 * pa.c: Include ggc.h.
6738 (pa_add_gc_roots): New function.
6739 (mark_deferred_plabels): Likewise.
6740 (override_options): Call pa_add_gc_roots.
6741 * mips.c: Include ggc.h.
6742 (mips_add_gc_roots): New function.
6743 (override_options): Use it.
6745 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6747 * cpperror.c (cpp_file_line_for_message): Constify a char*.
6749 * cppexp.c (parse_number, parse_charconst, cpp_lex,
6750 cpp_parse_expr): Add static prototypes.
6751 (parse_charconst): Don't cast away const-ness.
6752 (token): Constify a char*.
6754 * cppfiles.c (file_name_list, include_hash, find_include_file,
6755 finclude, initialize_input_buffer): Constify a char*.
6756 (file_cleanup, find_position): Add static prototypes.
6758 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
6759 collect_expansion): Add static prototypes.
6760 (cpp_install, create_definition, monthnames): Constify a char*.
6762 * cpphash.h (cpp_install): Likewise.
6764 * cppinit.c (known_suffixes, default_include,
6765 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
6766 (base_name, dump_special_to_buffer, initialize_dependency_output):
6767 Add static prototypes.
6769 * cpplib.c (my_strerror): Constify a char*.
6770 (null_underflow, null_cleanup, skip_comment, copy_comment,
6771 copy_rest_of_line, handle_directive, pass_thru_directive,
6772 get_directive_token, read_line_number, cpp_print_file_and_line,
6773 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
6774 v_cpp_warning_with_line, detect_if_not_defined,
6775 consider_directive_while_skipping): Add static prototypes.
6776 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
6777 cpp_pedwarn_with_file_and_line): Constify a char*.
6779 * cpplib.h (cpp_options, include_hash, progname, definition,
6780 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
6781 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
6782 find_include_file, deps_output, include_hash): Constify a char*.
6784 * cppmain.c (progname): Constify.
6785 (main): Add prototype. Use return, not exit.
6787 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
6788 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
6789 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
6790 check_protection): Add static prototype.
6792 (progname, recognized_macrom, recognized_extern): Constify a char*.
6793 (main): Add prototype.
6795 * gen-protos.c (progname): Constify a char*.
6797 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
6799 * emit-rtl.c (free_emit_status): Take decl as a parameter.
6800 (init_emit_once): Add more GC roots.
6801 * except.c (mark_func_eh_entry): New function.
6802 (mark_eh_node): Mark false_label and rethrow_label.
6803 (init_eh): Add more GC roots.
6804 * function.c (free_after_compilation): Take decl as a paramter.
6805 Call free_stmt_status.
6806 (mark_function_state): Don't assume x_parm_reg_stack_loc is
6808 * function.h (free_after_compilation): Change prototype.
6809 (free_varasm_status): Likewise.
6810 (free_emit_status): Likewise.
6811 (free_stmt_status): New function.
6812 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
6813 Remove, replacing with ...
6814 (ggc_status): New structure.
6815 (ggc_chain): New variable.
6817 (ggc_push_context): New function.
6818 (ggc_pop_context): Likewise.
6819 (ggc_alloc_rtx): Adjust for use of ggc_chain.
6820 (ggc_alloc_rtvec): Likewise.
6821 (ggc_alloc_tree): Likewise.
6822 (ggc_alloc_string): Likewise.
6823 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
6824 (ggc_mark_tree): Give language-dependent code a chance to mark
6826 (ggc_mark_tree_varray): Handle empty arrays.
6827 (ggc_collect): Adjust for use of ggc_chain. Clear
6828 bytes_alloced_since_last_gc.
6829 * ggc.h (ggc_pop_context): New function.
6830 (ggc_push_context): Likewise.
6831 * print-tree.c (print_node): Don't print obstacks when GC'ing.
6832 * stmt.c (free_stmt_status): New function.
6833 (init_stmt_for_function): Clear last_expr_value.
6834 * toplev.c (rest_of_compilation): Always call free_after_compilation.
6835 Conditionalize call to ggc_collect.
6836 (main): Call init_ggc.
6837 * tree.c (push_obstacks): Do the push, even when GC'ing.
6838 (push_obstacks_nochange): Likewise.
6839 (pop_obstacks): Liekwise.
6840 * varasm.c (free_varasm_status): Take decl as a parameter.
6842 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
6844 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
6845 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
6846 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
6847 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
6849 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
6851 * pa/x-pa-mpeix: New file for the MPE port.
6853 * pa/quadlib.asm: New file for long double support.
6855 * configure.in: Add hppa1.0-*-mpeix for MPE port.
6856 * configure: Rebuilt.
6858 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
6860 * final.c (shorten_branches): Fix last change.
6862 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
6864 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
6866 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
6868 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
6871 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6873 * c-aux-info.c (concat): Don't define.
6875 * cccp.c (my_strerror): Likewise. All callers changed to use
6877 (do_include): Call xstrdup, not xmalloc/strcpy.
6878 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
6879 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
6881 * collect2.c (my_strsignal): Likewise. All callers changed to use
6883 (locatelib): Call xstrdup, not xmalloc/strcpy.
6885 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
6887 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
6889 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
6891 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
6893 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
6895 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
6897 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
6899 (find_all_handler_type_matches): Likewise. Don't check return
6901 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
6902 xmalloc, not malloc.
6903 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
6905 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
6906 (init_spec): Call xcalloc, not xmalloc/bzero.
6907 (set_spec): Call xstrdup, not save_string.
6908 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
6909 (find_a_file): Call xstrdup, not xmalloc/strcpy.
6910 (process_command): Call xstrdup, not save_string.
6911 (main): Call xcalloc, not xmalloc/bzero.
6913 * gcov.c (xmalloc): Don't define.
6914 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
6915 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
6916 (output_data): Call xcalloc, not xmalloc/bzero.
6918 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
6920 * mips-tdump.c (xmalloc): Don't define.
6921 (print_symbol): Call xmalloc, not malloc.
6922 (read_tfile): Call xcalloc, not calloc.
6924 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
6925 Don't define. All callers of xfree/my_strsignal changed to use
6926 free/strsignal instead.
6927 (allocate_cluster): Call xcalloc, not calloc.
6929 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
6930 Fix memory leak, free allocated memory.
6932 * prefix.c (translate_name): Call xstrdup, not save_string.
6933 (update_path): Likewise.
6935 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
6937 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
6938 Don't define. Callers of xfree/savestring2 changed to use
6939 free/concat instead.
6941 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
6942 (init_elim_table): Likewise.
6944 * resource.c (init_resource_info): Likewise.
6946 * stupid.c (stupid_life_analysis): Likewise.
6948 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
6949 (open_dump_file): Call concat, not xmalloc/strcpy/...
6950 (clean_dump_file): Likewise.
6951 (compile_file): Call xstrdup, not xmalloc/strcpy.
6953 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
6955 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
6956 * v850.c (v850_va_arg): New.
6958 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6960 * haifa-sched.c: Tidy comments.
6962 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6964 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
6965 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
6966 $(out_object_file)): Depend on ggc.h.
6967 * c-common.c: Include "ggc.h".
6968 (combine_strings): If doing GC, use ggc_alloc_string.
6969 * c-decl.c: Include "ggc.h".
6970 (ggc_p): Define with value 0.
6971 (mark_binding_level): New function.
6972 (init_decl_processing): Add GC roots.
6973 (mark_c_function_context): New function.
6974 (lang_mark_false_label_stack): New function.
6975 (lang_mark_tree): New function.
6976 (lang_cleanup_tree): New function.
6977 * c-lang.c: Include "ggc.h".
6978 (lang_init): Call c_parse_init.
6979 * c-lex.c: Include "ggc.h".
6980 (check_linenum): If doing GC, don't copy filenames to permanent
6982 * c-parse.in: Include "ggc.h".
6983 (c_parse_init): New function.
6984 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
6985 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
6987 * except.c (mark_eh_state): Mark more state.
6988 * function.c (mark_function_state): Likewise.
6989 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
6990 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
6991 * toplev.c (mark_file_stack): New function.
6992 (compile_file): If doing GC, use ggc_alloc_string on input filename.
6993 (main): Add root for input_file_stack.
6995 * i386.c: Include "ggc.h".
6996 (ix86_mark_machine_status): New function.
6997 (override_options): Set mark_machine_status.
6999 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7001 * tree.c (copy_node): Copy node contents also if doing GC.
7003 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7005 * collect2.c (scan_libraries): Fix double-thinko :-).
7007 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
7009 * collect2.c (scan_libraries): Fix thinko.
7011 * cse.c (delete_trivially_dead_insns): Do not skip the last
7012 insn if it is a real insn.
7014 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
7016 * Makefile.in (ggc-simple.o): Depend on hash.h.
7017 * ggc.h (ggc_add_tree_hash_table_root): Declare.
7018 (ggc_mark_tree_varray): Likewise.
7019 (ggc_mark_tree_hash_table): Likewise.
7020 * ggc-simple.c: Include hash.h.
7021 (ggc_mark_tree_hash_table_ptr): New function.
7022 (ggc_mark_tree_hash_table_entry): Likewise.
7023 (ggc_mark_tree_hash_table): Likewise.
7024 (ggc_add_tree_hash_table_root): Likewise.
7025 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
7026 rtx, when defining fields.
7028 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7030 * profile.c (output_func_start_profiler): Remove apparently
7031 nonsensical call to start_sequence.
7033 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
7035 * clipper/clipper.c (clipper_va_start): Fix typos.
7037 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
7038 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
7039 (spur_va_arg): New stub.
7041 * configure.in: Comment out pyramid.
7043 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
7045 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
7046 don't conflict with the bits that win32, cygwin, and dgux
7049 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
7050 Bernd Schmidt <bernds@cygnus.co.uk>
7052 * integrate.c (function_cannot_inline_p): Do not inline
7053 functions with forced labels.
7055 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
7056 Bernd Schmidt <bernds@cygnus.co.uk>
7057 Mark Mitchell <mark@codesourcery.com>
7059 * Makefile.in (ggc-simple.o): Depend on varray.h.
7060 (rtl.o): Depend on ggc.h.
7061 (genattrtab.o): Depend on ggc.h.
7062 (print-tree.o): Likewise.
7063 (fold-const.o): Likewise.
7064 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
7065 (make_insn_raw): Don't cache insns when GC'ing.
7066 (emit_insn_before): Likewise.
7067 (emit_insn_after): Likewise.
7068 (emit_insn): Likewise.
7069 (start_sequence): Use xmalloc to allocate the sequence_stack.
7070 (end_sequence): Add free to free it.
7071 (gen_sequence): Don't cache insns when GC'ing.
7072 (clear_emit_caches): Don't use sequence_element_free_list.
7073 (init_emit): Use xcalloc, not xmalloc+bzero.
7074 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
7075 * function.c (pop_function_context_from): Use free to free the
7076 fixup_var_refs_queue.
7077 (put_reg_into_stack): Allocate it with xmalloc.
7078 * genattrtab.c: Include ggc.h.
7079 (operate_exp): Don't use obstack_free when GC'ing.
7080 (simplify_cond): Likewise.
7081 (simplify_text_exp): Likewise.
7082 (optimize_attrs): Likewise.
7083 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
7085 (gencode): Generate a #include for ggc.h.
7086 * ggc-callbacks.c (ggc_p): Define it to zero.
7087 * ggc-none.c (ggc_p): Likewise.
7088 * ggc-simple.c: Include varray.h.
7089 (ggc_mark_tree_varray): New function.
7090 (ggc_add_tree_varray_root): Likewise.
7091 (ggc_mark_tree_varray_ptr): Likewise.
7092 * ggc.h (ggc_p): Declare.
7093 (varray_head_tag): Likewise.
7094 (ggc_add_tree_varray_root): Declare.
7095 * print-tree.c (print_node): Don't check for TREE_PERMANENT
7096 inconsistencies when GC'ing.
7097 * rtl.c: Include ggc.h.
7098 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
7099 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
7100 (rtx_free): Don't call obstack_free when GC'ing.
7101 * toplev.c (rest_of_compilation): Call ggc_collect after every
7103 * tree.c (push_obstacks): Do nothing, if GC'ing.
7104 (pop_obstacks_nochange): Likewise.
7105 (pop_obstacks): Likewise.
7106 (make_node): Use ggc_alloc_tree when GC'ing.
7107 (copy_node): Likewise.
7108 (get_identifier): Use ggc_alloc_string when GC'ing.
7109 (build_string): Likewise.
7110 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
7111 (tree_cons): Likewise.
7113 (type_hash_canon): Don't call obstack_free when GC'ing.
7115 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
7117 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
7118 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
7120 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
7121 Bernd Schmidt <bernds@cygnus.co.uk>
7122 Mark Mitchell <mark@codesourcery.com>
7124 * Makefile.in (stor-layout.o): Depend on ggc.h.
7125 (expr.o): Depend on ggc.h.
7126 (profile.o): Depend on ggc.h.
7127 (stor-layout.o): Depend on ggc.h.
7128 * emit-rtl.c (init_emit_once): Add gc roots.
7129 * expr.c: Include ggc.h.
7130 (emit_block_move): Add gc roots.
7131 (clear_storage): Likewise.
7132 * expr.h (init_stor_layout_once): New function.
7133 * profile.c: Include ggc.h.
7134 (init_arc_profiler): profiler_label is a root.
7135 * scan.c (make_sstring_space): Trust xrealloc to function
7136 correctly with first parameter NULL.
7137 * stor-layout.c: Include ggc.h.
7138 (set_sizetype): Add gc root.
7139 (init_stor_layout_once): New function.
7140 * toplev.c (compile_file): Call it.
7142 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
7143 Bernd Schmidt <bernds@cygnus.co.uk>
7144 Mark Mitchell <mark@codesourcery.com>
7146 * Makefile.in (tree.o): Depend on ggc.h.
7147 (varasm.o): Likewise.
7148 (function.o): Likewise.
7150 (except.o): Likewise.
7151 (optabs.o): Likewise.
7152 (emit-rtl.o): Likewise.
7153 * emit-rtl.c: Include ggc.h.
7154 (sequence_element_free_list): Remove, and all references.
7155 (mark_sequence): New functions.
7156 (mark_emit_state): New function.
7157 * except.c: Include ggc.h.
7158 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
7159 (mark_tree_label_node): New functions.
7160 (mark_eh_state): New function.
7161 * function.c: Include ggc.h.
7162 (mark_temp_slot, mark_function_chain): New functions.
7163 (mark_function_state): New function.
7164 (init_function_once): New function.
7165 * function.h (init_function_once): New function.
7166 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
7167 * ggc.h (label_node): Declare.
7168 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
7169 (lang_mark_false_label_stack): New function.
7170 (mark_temp_slot): Remove declaration.
7171 (mark_function_chain): Likewise.
7172 (mark_eh_state): Adjust prototype.
7173 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
7175 * optabs.c: Include ggc.h.
7176 (mark_optab): New function.
7177 (init_optabs): Add gc roots.
7178 * stmt.c: Include ggc.h.
7179 (mark_cond_nesting, mark_loop_nesting): New functions.
7180 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
7181 (mark_stmt_state): New function.
7182 * toplev.c (compile_file): Call init_function_once.
7183 * tree.c: Include ggc.h.
7184 (type_hash): Move declaration earlier in file.
7185 (TYPE_HASH_SIZE, type_hash_table): Likewise.
7186 (init_obstacks): Add gc roots.
7187 (mark_type_hash): New function.
7188 * varasm.c: Include ggc.h.
7189 (mark_pool_constant): New function.
7190 (mark_varasm_state): New function.
7192 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7194 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
7196 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7198 * c-decl.c (struct language_function): Renamed from struct c_function.
7200 (c_function_chain): Delete.
7201 (push_c_function_context): New arg F. Don't warn about nested
7202 functions here. Fill LANGUAGE elt of F. Delete code to update
7203 c_function_chain. Don't call push_function_context.
7204 (pop_c_function_context): New arg F. Restore from there instead of
7205 from c_function_chain. Don't call pop_function_context. Clear out
7206 LANGUAGE field of F when done.
7207 * c-lang.c: Include "function.h"
7208 (lang_init): Initialize save_lang_status and restore_lang_status.
7209 * c-parse.in (nested_function, nested_function_notype): Warn about
7210 nested functions. Call push_function_context/pop_function_context
7211 instead of the _c_ variants.
7212 * c-tree.h (push_c_function_context, pop_c_function_context): Update
7214 * Makefile.in (c-lang.o): Update dependencies.
7216 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
7217 regno_pointer_flag, regno_pointer_align.
7218 (gen_reg_rtx): Use xrealloc to enlarge them.
7219 (free_emit_status): New function.
7220 * function.c (mark_machine_status, mark_lang_status): New variables.
7221 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
7222 in some bits from assign_stack_local. All callers changed to use new
7224 (assign_stack_local): Just call assign_stack_local_1.
7225 (free_after_compilation): New function.
7226 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
7227 (trampoline_address): Likewise.
7228 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
7229 (prepare_function_start): Explicitly clear some more variables.
7230 * function.h (struct function): New elt can_garbage_collect.
7231 (mark_machine_status, mark_lang_status): Declare variables.
7232 (free_after_compilation, free_emit_status, free_varasm_status,
7233 init_varasm_status): Declare functions.
7234 * toplev.c (rest_of_compilation): Call free_after_compilation when
7235 done with the current function.
7236 * varasm.c (free_varasm_status): New function.
7238 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
7240 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
7241 (EXPAND_BUILTIN_VA_ARG): Define.
7242 * sparc.c (sparc_va_start): New.
7243 (sparc_va_arg): New.
7245 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7247 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
7249 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7251 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
7253 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
7255 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
7257 (ggc-callbacks.o): New target.
7258 * ggc-callbacks.c: New file.
7260 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7262 * expr.h: Collapse individual optab and libfunc vars to arrays.
7263 (optab_index, libfunc_index): New enumerations.
7264 (optab_table, libfunc_table): New arrays.
7265 Add accessor macros for both.
7267 * optabs.c (optab_table, libfunc_table): New.
7268 Delete declarations for individual optab and libfunc vars.
7270 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
7272 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
7274 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7276 * Makefile.in (GGC, GGC_LIB): New.
7277 (HOST_RTL): Include ggc-none.o.
7278 (ggc-simple.o): New target.
7279 (ggc-none.o): Likewise.
7280 * tree.h (tree_common): Add gc_mark.
7281 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
7282 (struct rtvec_def): Add gc_mark.
7283 * emit-rtl.c (global_rtl): Update static initializers to contain
7284 enough initializers.
7285 * ggc.h, ggc-none.c, ggc-simple.c: New files.
7286 * toplev.c (gc_time): New variable.
7287 (all_time): New variable.
7288 (compile_file): Print gc time.
7289 (print_time): Calculate percentage of the whole.
7291 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7293 Change obstack memory management and varasm constant pool handling so
7294 that nested functions are treated like any other functions.
7295 * function.c (init_machine_status): New variable.
7296 (push_function_context_to): Set contains_functions for the outer
7297 function. Don't call save_varasm_status.
7298 (pop_function_context_from): Don't call restore_varasm_status. Don't
7299 set current_function_contains_functions.
7300 (prepare_function_start): Call init_varasm_status rather than
7301 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
7303 * function.h (struct function) Add field varasm. Delete fields
7304 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
7305 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
7306 (init_machine_status): Declare.
7307 (save_varasm_status, restore_varasm_status): Delete declarations.
7308 (save_tree_status, restore_tree_status): Delete last argument.
7309 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
7310 code. All callers changed.
7311 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
7312 save_constants_in_decl_trees, restore_constants, save_constants,
7313 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
7315 (inlining): New variable.
7316 (reg_map, label_map, insn_map, orig_asm_operands_vector,
7317 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
7319 (save_for_inline_nocopy): Don't save constants.
7320 Don't set inl_emit field in current_function.
7321 (expand_inline_function): Use emit field, not inl_emit, of the inlined
7322 function. Set new variable inlining before
7323 calling copy_rtx_and_substitute.
7324 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
7325 constant pool references if inlining is nonzero.
7326 Delete ADDRESS and (most of the) CONST cases.
7327 (output_inline_function): Save and restore current_function/
7328 current_function_decl. Delete restore_constants code. Don't call
7329 init_const_rtx_hash_table.
7330 * output.h (init_const_rtx_hash_table): Don't declare.
7331 * rtl.h (struct function): Declare.
7332 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
7333 * toplev.c (rest_of_compilation): Don't treat nested functions or
7334 functions containing them specially. Delete all code to deal with
7335 save_for_inline_copying.
7336 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
7337 inline_obstacks): Delete variables.
7338 (save_tree_status): Lose arg CONTEXT. All callers changed.
7339 Simply allocate a new function_maybepermanent_obstack for the new
7340 function, delete all the special cases.
7341 Don't save inline_obstacks.
7342 (restore_tree_status): Lose arg CONTEXT. All callers changed.
7343 Delete special handling for function_maybepermanent_obstack; simply
7345 Don't restore inline_obstacks.
7346 (permanent_allocation): Delete code that frees inline_obstacks.
7347 (print_inline_obstack_statistics): Delete function.
7348 (dump_tree_statistics): Don't call it.
7349 * varasm.c (struct varasm_status): New.
7350 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
7351 last_pool, pool_offset, const_double_chain): Delete global
7352 variables, replace with accessor macros.
7353 (immed_double_const): Don't walk const_double_chain outside a
7354 function, but don't treat nested functions specially anymore.
7355 (immed_real_const_1): Likewise.
7356 (clear_const_double_mem): Don't treat nested functions specially.
7357 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
7358 (save_varasm_status, restore_varasm_status): Delete functions.
7359 (init_varasm_status): New function.
7360 (force_const_mem): Don't treat nested functions specially.
7361 (find_pool_constant): Accept new arg F, search for constants in
7362 that function's pool rather than the current one. All callers
7364 (get_pool_constant_for_function, get_pool_mode_for_function): New
7367 * i386.c (init_386_machine_status): New function, mostly from
7368 clear_386_stack_locals.
7369 (struct machine_functions): Rename element names to avoid name
7371 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
7372 macros, replacing global variables.
7373 (clear_386_stack_locals, save_386_machine_status,
7374 restore_386_machine_status): Delete functions.
7375 (override_options): Initialize init_machine_status.
7376 * i386.h (INIT_EXPANDERS): Delete macro.
7377 (save_386_machine_status, restore_386_machine_status,
7378 clear_386_stack_locals): Delete declarations.
7380 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7382 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
7383 (doloop_begin): Simplify pattern and use emit_jump_insn.
7384 (doloop_end): Simplify pattern, switch operand order,
7385 and use emit_jump_insn.
7387 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7389 * function.h (struct function): Add new element LANGUAGE.
7390 (save_lang_status): Declare new variable.
7391 (restore_lang_status): Likewise.
7392 * function.c (save_lang_status): Define.
7393 (restore_lang_status): Likewise.
7394 (push_function_context_to): Call language-specific save function.
7395 (pop_function_context_from): Call language-specific restore function.
7397 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7399 * i386.md (movsf_1): Check REG_P before use of REGNO.
7400 (movdf_1): Likewise.
7401 (movxf_1): Likewise.
7402 (extendsfdf2): Likewise.
7403 (extendsfxf2): Likewise.
7404 (extenddfxf2): Likewise.
7406 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7408 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
7409 constants into memory.
7410 (c4x_shiftable_constant): New function.
7411 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7412 (c4x_shiftable_constant): Declare.
7413 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7414 ashlqi3_noclobber): Add new patterns and associated splitters.
7416 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7418 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7419 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7420 * final.c (shorten_branches): Likewise.
7421 * global.c (global_alloc): Likewise.
7422 * haifa-sched.c (build_control_flow): Likewise.
7423 * stmt.c (check_for_full_enumeration_handling): Likewise.
7424 (estimate_case_costs): Likewise.
7426 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7428 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7430 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7432 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7433 (recompute_reg_usage): Likewise.
7434 * rtlanal.c (find_regno_fusage): Likewise.
7436 * rtl.c (rtl_check_failed_code1): New function.
7437 (rtl_check_failed_code2): New.
7438 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7439 (RTL_CHECKC1, RTL_CHECKC2): New.
7440 (XC*): New accessor macros.
7441 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7442 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7443 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7444 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7445 (TRAP_*, RANGE_INFO_*): Likewise.
7447 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7449 * Makefile.in (tlink.o): Don't depend on toplev.h.
7451 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7452 output_file, nm_file_name, ldd_file_name, strip_file_name,
7453 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7454 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7455 fork_execute, maybe_unlink, add_to_list,
7456 extract_init_priority, write_list, dump_list,
7457 dump_prefix_list, write_list_with_asm, write_c_file,
7458 write_c_file_stat, write_c_file_glob, scan_prog_file,
7459 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7460 ignore_library, extract_string, notice, dump_file, target_machine,
7461 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7462 read_file, print_load_command): Constify a char*.
7463 (fdopen, error, fatal, fatal_perror): Don't prototype.
7464 (my_strerror): Remove. All callers use xstrerror instead.
7465 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7466 (main): Add prototype. Constify lots of char* ptrs. Change calls
7467 to xcalloc/strcpy/strcat/... to one call to concat.
7468 (main, scan_prog_file, scan_libraries): Use an intermediate
7469 `const char **' to build an argv array.
7470 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7472 * collect2.h (collect_execute, collect_wait, dump_file,
7473 file_exists): Constify a char*.
7474 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7475 temporary_firstobj, vflag, debug): Add extern declarations.
7476 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7478 * tlink.c: Don't include toplev.h.
7479 (vflag, debug, ldout, c_file_name, temporary_obstack,
7480 permanent_obstack, temporary_firstobj): Don't declare.
7481 (tlink_execute, frob_extension, symbol_hash_lookup,
7482 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7483 recompile_files, read_repo_files, demangle_new_symbols,
7484 scan_linker_output): Constify a char*.
7485 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7486 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7488 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7490 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7491 (relative) rather than jsr (absolute) subroutine call insns.
7492 * config/m68k/m68k-coff.h: Ditto.
7494 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7496 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7497 now rework these too.
7498 (arm_reorg): If an insn can't reach the end of the current pool,
7499 ensure that we emit that pool before the insn.
7501 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7503 * tlink.c (scan_linker_output): Skip the initial underscore in
7504 a mangled name if appropriate.
7506 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7508 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7509 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7510 error_with_ivar, gen_declarator, create_builtin_decl,
7511 my_build_string, generate_descriptor_table, generate_ivars_list,
7512 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7513 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7514 dump_base_name, lang_decode_option, build_encode_expr,
7515 start_class, finish_class, encode_pointer, really_start_method,
7516 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7518 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7519 Add static prototypes.
7520 (build_objc_string_decl, build_selector_reference_decl,
7521 encode_bitfield, build_class_reference_decl): Remove unused
7522 parameter, all callers changed.
7523 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7524 (objc_printable_name): Likewise. Change second parameter to type int.
7525 (init_objc): Use memcpy, not bcopy, to avoid casts.
7527 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
7529 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
7530 reg notes on a deleted insn.
7531 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
7533 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
7535 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
7537 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7539 * stmt.c (expand_asm_operands): Fix index into inout_mode when
7542 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
7544 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
7545 * tm.texi (MD_ASM_CLOBBERS): Document it.
7547 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
7549 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
7550 * except.c (expand_rethrow): Remove unused variable.
7551 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
7552 * flow.c (replace_insns): Likewise.
7553 (create_edge_list, verify_edge_list): Likewise.
7554 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
7556 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
7557 is special code to run.
7558 (main): Don't define operands to emit_operand.
7559 * genrecog.c (main): Don't emit an empty peephole2_insn function.
7561 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
7563 * alpha/alpha.h (normal_memory_operand): Declare.
7564 (reg_no_subreg_operand): Declare.
7565 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
7567 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
7569 * c-parse.in (compstmt_primary_start): New, broken out of first
7570 part of compstmt handling in primary.
7571 (primary): Use it. Add an error clause.
7572 (compstmt_nostart): Renamed from compstmt; remove all
7573 initial invocations of compstmt_start.
7576 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
7578 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
7581 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
7583 * combine.c (simplify_shift_const): Remove extra semicolon.
7584 * dwarf2out.c (remove_AT): Likewise.
7585 * expmed.c (expand_mult): Likewise.
7586 * gcov.c (create_program_flow_graph): Likewise.
7587 * reorg.c (mostly_true_jump): Likewise.
7589 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
7591 * fold-const.c (fold_range_test): Do not try to fold the range
7592 test if the rhs or lhs has side effects.
7594 * combine.c (simplify_rtx): Recognize another case of a synthesized
7597 * varasm.c (mark_constant_pool): When marking indirect references,
7598 only look at SYMBOL_REFs.
7600 * except.c (expand_fixup_region_end): Do not peek at
7601 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
7603 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
7605 * flags.h: New variables align_loops, align_loops_log,
7606 align_jumps, align_jumps_log, align_labels, align_labels_log,
7607 align_functions, align_functions_log.
7608 * toplev.c: Define them.
7609 (f_options): Handle -falign-* when they have no argument.
7610 (main): Add logic to set variables for -falign-functions,
7611 -falign-jumps, -falign-labels, -falign-loops.
7612 Make it -fsched-verbose=<n> and -finline-limit=<n>.
7613 (display_help): Change help to match options.
7614 * final.c (LABEL_ALIGN): Default to align_labels_log.
7615 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
7616 (LOOP_ALIGN): Default to align_loops_log.
7617 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
7618 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
7619 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
7620 * varasm.c (assemble_start_function): Handle align_functions.
7622 * config/sparc/sparc.h: Don't declare sparc_align_*.
7623 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
7624 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
7626 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
7628 * config/sparc/sparc.c: Delete sparc_align_loops,
7629 sparc_align_jumps, sparc_align_funcs and the corresponding string
7631 (sparc_override_options): Default align_functions on ultrasparc.
7632 Delete -malign-* handling.
7634 * config/mips/mips.c (override_options): On 64-bit targets,
7635 try to align code to 64-bit boundaries.
7636 (print_operand): New substitution, %~,
7637 which aligns labels to align_labels_log.
7638 * config/mips/mips.md (div_trap_normal): Use %~.
7639 (div_trap_mips16): Likewise.
7644 (ashldi3_internal): Likewise.
7645 (ashrdi3_internal): Likewise.
7646 (lshrdi3_internal): Likewise.
7647 (casesi_internal): Likewise.
7649 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
7651 Merge new ia32 backend from the branch!
7653 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
7654 See ChangeLog.P2 on new_ia32_branch for details.
7656 * rtl.h (stack_regs_mentioned_p): Delete prototype.
7657 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
7658 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7659 * i386/gas.h (ASM_FILE_START): Define.
7660 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
7661 for name change of ix86_valid_decl_attribute_p.
7662 (i386_pe_valid_type_attribute_p): Similarly.
7664 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
7666 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
7667 to step through CC modes.
7669 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7671 * regmove.c (fixup_match_1): Don't move INSN in front of P if
7672 it would end up in the shadow of a live flags regsiter.
7674 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7676 * reload1.c: Fix many indentation problems.
7677 * reload.c: Likewise.
7679 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
7681 * alias.c (non_local_reference_p): Constify fmt.
7683 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
7685 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
7687 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
7689 * cse.c (delete_trivially_dead_insns): Do not delete stores to
7690 the internal_arg_pointer.
7692 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
7694 Merge peephole2 from new_ia32_branch:
7695 * Makefile.in (STAGESTUFF): Add *.peephole2.
7696 (mostlyclean): Likewise.
7697 (recog.o): Depend on resource.h.
7699 * final.c (peephole): Conditionalize decl on HAVE_peephole.
7700 (final_scan_insn): Likewise for the invocation of peephole.
7701 * genconfig.c (main): Look for peephole and peephole2 patterns.
7702 Emit HAVE_peephole* accordingly.
7703 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
7704 * flags.h (flag_peephole2): Declare.
7705 * toplev.c: New pass peephole2. New flag -fpeephole2.
7707 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
7708 * gencodes.c (main): Likewise.
7709 * genextract.c (main): Likewise.
7710 * genoutput.c (main): Likewise.
7711 * genemit.c (max_operand_1): Look for the max scratch operand.
7712 (gen_rtx_scratch): New.
7713 (gen_exp): Use it, and pass on new arg subroutine_type.
7714 (gen_expand): Take max scratch into account.
7715 (gen_split): Emit peephole2 functions.
7716 (output_peephole2_scratch): New.
7717 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
7718 * genrecog.c (routine_type): Add PEEPHOLE2.
7720 (make_insn_sequence): Match outer parallel for peep2. Discard
7721 top level scratches and dups.
7722 (add_to_sequence): New args insn_type and top. Update all callers.
7723 Handle toplevel peep2 matching insns.
7724 (write_subroutine): Handle peep2.
7725 (write_tree_1): Likewise.
7726 (write_tree): Likewise.
7728 (change_state): New arg afterward. Update all callers.
7729 Handle matching separate insns.
7730 * recog.c (recog_next_insn): New.
7731 (peephole2_optimize): New.
7732 * rtl.def (DEFINE_PEEPHOLE2): New.
7733 * resource.c (find_free_register): New argument last_insn. Use it
7734 to find a register available through the entire span.
7735 * resource.h (find_free_register): Update prototype.
7737 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
7739 * i386.c (output_strlen_unroll): Don't write xops[7]
7740 label if it wasn't set.
7742 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
7744 * cpplib.c (struct directive): Const-ify name pointer and
7745 function pointer prototype.
7746 (validate_else, do_define, do_line, do_include, do_undef,
7747 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
7748 do_elif, do_endif, do_sccs, do_assert, do_unassert,
7749 do_warning): Const-ify second arg.
7750 (directive_table): Mark const. Reorder entries by frequency
7751 of usage, record statistics.
7753 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
7755 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
7756 bounds- check RTL accesses if --enable-checking.
7757 (RTVEC_ELT): Bounds check if --enable-checking.
7758 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
7759 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
7760 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
7762 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
7763 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
7765 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
7766 (NOTE_SOURCE_FILE): Use X0STR.
7767 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
7768 MEM_ALIAS_SET): Use X0INT.
7769 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
7770 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
7772 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
7773 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
7774 (rtl_check_failed_bounds, rtl_check_failed_type1,
7775 rtl_check_failed_type2, rtvec_check_failed_bounds): New
7777 (fancy_abort): Fix comment.
7779 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
7780 (cse_insn): Decrement LABEL_NUSES for jump target before
7782 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
7783 * final.c (alter_subreg): Compute regno before changing x to
7784 REG; set REGNO(x) after changing it.
7785 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
7786 notes containing CONST_INTs.
7787 (delete_eh_regions): Use NOTE_EH_HANDLER.
7788 * function.c (put_reg_into_stack): Make reg a MEM before
7790 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
7792 (gen_mem_addressof): Make reg a MEM before initializing it.
7793 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
7795 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
7796 deleting an insn, not after.
7797 (block_alloc): Only look at PATTERN(insn) if we have to, and
7798 only if it's format class 'i'.
7799 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
7800 CONST_INT before using its INTVAL.
7801 * print-rtl.c (print_rtx): Use X0STR.
7802 * regmove.c (fixup_match_1): Don't look at PATTERN of
7803 non-class-'i' insn chain elements.
7804 * reload.c (loc_mentioned_in_p): Take address of
7805 in->fld[1].rtx directly.
7806 * reload1.c (reload): Change reg to a MEM before initializing
7808 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
7810 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
7812 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
7814 * config/mips/mips.c (machine_dependent_reorg): Force a
7815 barrier to output the local constant pool if a barrier hasn't
7816 been found at a natural point in the instruction stream.
7818 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7820 * c-parse.in (language_string): Constify.
7822 * dwarf2out.c (language_string): Remove declaration.
7824 * dwarfout.c (language_string): Likewise.
7826 * toplev.c (language_string, init_parse, finish_parse): Likewise.
7828 * tree.h (language_string, init_parse, finish_parse): Declare.
7830 * i386/sun386.h (language_string): Remove declaration.
7832 * mips.h (language_string): Likewise.
7834 * nextstep.h (language_string): Likewise.
7836 * nextstep21.h (language_string): Likewise.
7838 * rs6000.c (language_string): Likewise.
7840 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7842 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
7843 (getpwd.o): Remove target.
7845 * getpwd.c: Delete file. Its in libiberty now.
7847 * dbxout.c (getpwd): Don't prototype.
7848 * dwarf2out.c (getpwd): Likewise
7849 * dwarfout.c (getpwd): Likewise
7850 * final.c (getpwd): Likewise.
7851 * protoize.c (getpwd): Likewise.
7853 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7855 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
7857 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
7859 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
7862 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
7864 * fixinc/Makefile.in (subdir): New.
7865 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
7868 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
7870 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
7871 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
7874 * invoke.texi: Fix typo.
7876 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
7877 changed. Handle autoincrement addressing modes.
7879 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
7880 just like we would the virtual incoming args register when
7883 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
7885 * rs6000.h (ASM_FILE_START): Specify complete filename, including
7886 path, in .file directive.
7888 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
7890 * gcc.texi (External Bugs): Remove obsolete note about Perl on
7893 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
7895 * stdbool.h: Make the typedef name _Bool, with bool a #defined
7898 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7900 * tree.c (tree_code_name): Constify a char*.
7902 * tree.h (tree_code_name, decl_printable_name): Likewise.
7904 * function.h (struct function): Likewise.
7906 * toplev.c (decl_name, decl_printable_name): Likewise.
7908 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
7910 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
7911 (init_objc): Remove function pointer cast.
7913 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7915 * pa.md (interspace_jump): New pattern.
7916 (builtin_longjmp): New expander.
7918 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
7920 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
7921 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
7922 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
7924 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
7926 * jump.c (delete_prior_computation): Also check calls
7927 to constant functions. Don't bother checking for a
7928 REG_UNUSED note before adding it.
7929 (delete_computation): Handle multi-word hard registers
7930 when synthesizing missing REG_DEAD notes for a register
7931 which is both set and used by an insn.
7933 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7935 * loop.c (this_loop_info): New variable.
7936 (loop_has_call, loop_has_volatile, loop_has_tablejump,
7937 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
7939 (prescan_loop, strength_reduce): New argument loop_info. All callers
7941 (scan_loop): New variable loop_info, initialise to address of
7943 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
7944 Delete variable loop_has_multiple_exit targets and replace with
7945 field in this_loop_info.
7946 (find_and_verify_loops): Rename this_loop to this_loop_num.
7947 (strength_reduce): Delete loop_iteration_info. Replace variable
7948 loop_info with function argument of same name.
7949 (insert_bct): Rework test for loop being completely unrolled.
7951 * loop.h (struct loop_info): New fields num, loops_enclosed,
7952 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
7953 has_indirect_jump, and cont. Redefine use of unroll_number.
7954 (loop_unroll_number): Delete.
7956 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
7958 (loop_iterations): Delete variable vtop and instead use
7959 loop_info->vtop computed in prescan_loop.
7961 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
7963 * fix-header.c (main): Do not pass a null pointer to strcmp.
7965 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
7967 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
7969 * configure: Rebuilt.
7971 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
7973 * jump.c (jump_optimize_1): Do not delete assignments to
7974 internal_arg_pointer.
7975 * cse.c (delete_trivially_dead_insns): Always consider a set of
7976 the internal_arg_pointer live.
7978 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
7980 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
7981 (update_life_info) [REG_WAS_0]: Search the original insns rather
7982 than the new insns for the note. Fix typos finding note_dest.
7983 If no dest found, discard the note rather than abort.
7984 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
7985 (replace_insns): Remove the old insn list after update_life_info
7988 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
7990 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
7992 (sched_analyze_1): Let add_dependence care for not adding dups.
7993 (sched_analyze_2): Likewise.
7994 (add_branch_dependences): Likewise.
7996 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
7998 * i386/winnt.c (export_list): New type.
7999 (exports_head): Rename to
8000 (export_head): this.
8001 (i386_pe_record_exported_symbol): Add is_data flag.
8002 (i386_pe_asm_file_end): Emit directive for exported variables.
8003 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
8005 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
8006 (ASM_DECLARE_OBJECT_NAME): Likewise.
8007 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8008 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8010 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
8012 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
8014 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
8017 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
8019 * config/openbsd.h: Define SET_ASM_OP.
8020 * tm.texi: cross-reference SET_ASM_OP in the index.
8022 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
8024 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
8025 for a CONST_DOUBLE, at compile time. Initialize rtx_length
8026 and class_narrowest_mode at compile time. Kill init_rtl.
8027 Mark rtx_length, mode_class, mode_size, mode_unit_size,
8028 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
8029 rtx_format as const. Kill all references to EXTRA_CC_MODES or
8031 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
8033 * rtl.h: Declare rtx_length and rtx_format as const.
8034 * machmode.def: Define CC(). Use CC() to define CCmode. If
8035 EXTRA_CC_MODES is defined, expand it here.
8036 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
8037 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
8038 const. Kill all references to EXTRA_CC_MODES.
8040 * toplev.c: Don't prototype or call init_rtl.
8041 * optabs.c: Don't call init_mov_optab.
8042 * genemit.c: Don't generate init_mov_optab. Don't call
8044 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
8046 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
8047 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
8048 genrecog.c: Don't call init_rtl.
8050 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
8051 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
8052 definition of EXTRA_CC_MODES.
8054 * md.texi: Kill ref to EXTRA_CC_NAMES.
8055 * tm.texi: Document new way to define EXTRA_CC_MODES.
8057 * genrecog.c: Do not look up the name of a define_split.
8060 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
8062 * config/v850/v850.md: Fix typo introduced by previous delta.
8064 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8066 * gcc.c (fatal): Make definition static to match prototype.
8068 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8070 * combine.c (get_last_value): Don't look for earlier sets if the last
8071 known set is somewhere in between the insns being combined.
8073 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
8075 * configure.in: Don't use shell ! to negate exit codes
8076 * configure: Regenerate
8078 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
8080 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
8081 the fact that ALIGN is measured in bits, not bytes.
8083 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
8085 * errors.c: New file; defines functions error, warning, and
8086 fatal, variables have_error and progname.
8087 * errors.h: New file; prototypes and decls for stuff in errors.c.
8089 * Makefile: Add rules to build errors.o and
8090 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
8091 genopinit, genrecog, genextract, genpeep, genattr, and
8092 genoutput with errors.o. Add errors.h to deps of genconfig.o,
8093 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
8094 genpeep.o, genattr.o, and genoutput.o.
8096 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
8097 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
8098 define or prototype fatal. Set progname at beginning of main.
8099 * genoutput.c: Likewise, and don't define or prototype error
8102 * c-typeck.c (c_expand_start_case): Return immediately if exp
8104 * fold-const.c (operand_equal_p): Return immediately if arg1
8105 or arg0 are ERROR_MARKs.
8106 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
8107 fields of type ERROR_MARK when calculating if the record can
8110 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
8111 with much help from Jeffrey A Law and Richard Henderson
8113 * i386.md: In the 6 insns which call output_fix_trunc,
8114 earlyclobber operands[0].
8116 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
8118 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
8119 creating new registers.
8121 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
8123 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
8124 i386_reg_alloc_order, i386_regparm_string,
8125 i386_align_loops_string, i386_align_jumps_string,
8126 i386_align_funcs_string, i386_preferred_stack_boundary_string,
8127 and i386_branch_cost_string as type "const char *".
8128 * i386.c: Define all above strings as type "const char *".
8130 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
8132 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
8133 when emitting alignment padding. Emit padding byte of 0 instead of 4.
8135 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8137 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
8138 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
8140 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
8142 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
8143 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
8144 (dwarf2out_line, dwarf2out_finish): Likewise.
8145 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
8147 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8149 * tree.c (lang_unsave_expr_now) : Correct return type.
8150 * tree.h (lang_unsave_expr_now) : Same.
8152 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
8154 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
8155 instead of duplicating code.
8157 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8159 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
8161 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
8163 * tree.h: fancy_abort always takes three args.
8164 * resource.c: Move include of system.h before toplev.h.
8166 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
8168 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
8171 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
8173 * system.h: Don't redefine abort or trim_filename.
8174 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
8175 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
8176 whether or not __FUNCTION__ is available.
8177 * tree.h: Duplicate rtl.h's definition of abort, for files
8178 that don't include rtl.h. Delete all code to perform type
8179 checking with a compiler other than GCC.
8180 * varray.h: Delete all code to perform type checking with a
8181 compiler other than GCC. Make VARRAY_CHECK() always evaluate
8182 its arguments exactly once, using a statement expression.
8183 Adjust the VARRAY_<type> accessor macros to match.
8184 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
8185 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
8186 caller's location. Define fatal_insn and fatal_insn_not_found
8187 as macros that use _fatal_insn and _fatal_insn_not_found.
8188 (fancy_abort, trim_filename): Kill prototypes.
8190 * rtl.c (trim_filename): Move here from toplev.c.
8191 (fancy_abort): New function.
8192 (DIR_SEPARATOR): Provide default definition.
8193 * tree.c (tree_check_failed, tree_class_check_failed): Go
8194 through fancy_abort.
8195 (tree_check, tree_class_check, cst_or_constructor_check,
8196 expr_check): Delete.
8197 * varray.c (varray_check_failed): New function.
8198 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
8199 _fatal_insn and _fatal_insn_not_found. Go through
8201 (trim_filename, fancy_abort): Delete.
8203 * builtins.c (expand_builtin_args_info): Report ICE with abort.
8204 * except.c (start_catch_handler): Report ICE with error/abort
8206 * final.c (output_operand_lossage): Likewise.
8207 * flow.c (verify_flow_info): Likewise.
8209 * gcc.c: Prototype fatal.
8210 * gengenrtl.c: Undef abort after including rtl.h not system.h.
8211 * genattr.c, genattrtab.c, genemit.c, genextract.c,
8212 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
8213 Don't define fancy_abort.
8215 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
8217 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
8220 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
8222 * m88k.h (VERSION_INFO2): Kill.
8223 (VERSION_STRING): Kill.
8225 (VERSION_INFO1): Tidy.
8226 (TARGET_VERSION): Update.
8227 * m88k/dgux.h (VERSION_INFO2): Kill.
8228 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
8229 * m88k/luna.h (VERSION_INFO1): Tidy.
8230 * m88k/sysv4.h (VERSION_INFO1): Likewise.
8231 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
8232 (output_file_start): Adjust for death of VERSION_STRING.
8234 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
8236 * cpplib.c (detect_if_not_defined): New function.
8237 (do_if): Use it to detect potential once-only headers.
8239 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
8241 * c-common.c (combine_strings): Always set TREE_CONSTANT.
8243 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
8245 * combine.c (nonzero_bits) : Allow single-ly set registers to be
8246 anywere in the function only if they are pseudos and set before
8247 being used (not live at the start of the function).
8248 (num_sign_bit_copies) : Same.
8249 (get_last_value_validate) : Same.
8250 (get_last_value) : Same.
8252 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
8254 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
8255 where N and M are constant and N is an integer multiple of M.
8257 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8259 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
8260 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
8261 sbitmap_union_of_preds): Add prototypes.
8262 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
8263 the intersection of successors with the new flow graph structures.
8264 (sbitmap_intersection_of_preds): New function to compute the
8265 intersection of predecessors with the new flow graph structures.
8266 (sbitmap_union_of_succs): New function to compute the union of
8267 successors with the new flow graph structures.
8268 (sbitmap_union_of_preds): New function to compute the union of
8269 predecessors with the new flow graph structures.
8270 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
8271 (expr_reaches_here_p): Use edge and basic_block structures instead
8272 of s_preds and s_succs.
8273 (compute_cprop_avinout): Use new sbitmap routines.
8274 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
8275 of s_preds and s_succs.
8276 * flow.c (compute_flow_dominators): Compute dominators using
8277 edges and basic blocks instead of s_preds and s_succs.
8279 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8281 * lists.c (unused_insn_list, unused_expr_list): New file for
8282 maintaining various types of lists. New statics for maintaining a
8283 cache of available INSN_LIST and EXPR_LIST nodes.
8284 (free_list): Static function for freeing a list of INSN/EXPR nodes.
8285 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
8286 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
8287 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
8288 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
8289 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
8290 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
8291 (free_INSN_LIST_node): Free an individual INSN_LIST node.
8292 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
8293 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
8294 (remove_dependence, free_pending_lists): Use new global routines.
8295 (flush_pending_lists, sched_analyze_insn): Use new global routines.
8296 (sched_analyze, compute_block_backward_dependences): Use new routines.
8297 (sched_analyze_1, sched_analyze_2): Use new routines.
8298 (schedule_insns): Use new global routines.
8299 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
8301 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
8302 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
8304 * toplev.c (rest_of_compilation): Initialize node cache.
8305 * Makefile.in (OBJS): Add lists.o to list of object files.
8306 (lists.o): Add dependancies.
8308 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
8310 * config/v850/v850.md: Fix compile time warning messages.
8311 * config/v850/v850.c: Fix compile time warning messages.
8312 * config/v850/v850.h: Fix compile time warning messages.
8314 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8316 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
8317 Remove unused prototype for `init_lengths'.
8319 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8321 * calls.c (emit_call_1): Mark parameter `stack_size' with
8323 (expand_call): Initialize variable `insn'.
8324 (emit_library_call): Likewise for variable `high_to_save'.
8325 (emit_library_call_value): Likewise.
8326 (store_one_arg): Likewise for variables `lower_bound' and
8329 * combine.c (try_combine): Likewise for variables `i2_code_number'
8330 and `other_code_number'.
8331 (find_split_point): Likewise for variables `pos', `unsignedp' and
8333 (simplify_if_then_else): Likewise for variables `op' and `c1'.
8334 (simplify_and_const_int): Remove unused variable `width'.
8335 (merge_outer_ops): Likewise.
8337 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
8338 HOST_WIDE_INT' when comparing against one.
8339 (simplify_relational_operation): Likewise.
8340 (cse_insn): Initialize variables `src_eqv_volatile',
8341 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
8343 * final.c (init_final): Constify parameter `filename'.
8344 (final_start_function): Mark parameter `optimize' with
8346 (profile_function): Likewise for parameters `first' and `optimize'.
8347 (output_source_line): Likewise for parameter `file'.
8349 * integrate.c (subst_constants): Cast a value to `size_t' when
8350 comparing against one.
8351 (mark_stores): Initialize variable `mode'. Cast a value to
8352 `size_t' when comparing against one.
8354 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
8356 * loop.c (move_movables): Initialize variable `first'.
8357 (strength_reduce): Likewise for variable `increment'.
8358 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
8359 value to `size_t' when comparing against one.
8360 (load_mems): Initialize variable `end_label'.
8362 * output.h (init_final): Constify parameter.
8364 * reload.c (decompose): Initialize variable `base'.
8366 * reload1.c (reload): Likewise for variable `is_scalar'.
8367 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
8368 (choose_reload_regs): Initialize variable `mode'.
8369 (emit_reload_insns): Likewise for variable `store_insn'.
8370 (reload_cse_noop_set_p): Mark parameter `insn' with
8372 (reload_combine): Initialize variable `set'.
8374 * unroll.c (unroll_loop): Likewise for variable `local_label'.
8375 (copy_loop_body): Cast a value to `size_t' when comparing against
8378 * varasm.c (assemble_variable): Initialize variable `size_tree'.
8379 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
8380 (remove_from_pending_weak_list): Mark parameter `name' with
8383 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8385 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
8388 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
8390 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
8391 (ASM_DECLARE_FUNCTION_NAME): Define.
8392 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
8393 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
8394 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
8395 not already defined.
8397 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8399 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
8400 of n_popped when call/call_value are not defined.
8402 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
8404 * tm.texi: GNU CC -> GCC conversion.
8405 (CC1_SPEC): Indicate it is used for all language front ends.
8407 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
8409 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
8410 NOTE_INSN_EH_REGION_END correctly.
8412 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8413 Jeff Law <law@cygnus.com>
8415 * loop.c (strength_reduce): Automatically unroll loops if the
8416 unrolled loop size is smaller than the rolled loop size.
8418 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8419 and delete comment that code should be rewritten.
8421 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8423 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8426 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8428 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8430 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8431 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8432 (LINK_SPEC): Add -u _main when building executables.
8433 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8434 (ASM_FILE_END): Use the default for ix86-pe.
8435 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8437 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8439 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8440 and ASM_CLOSE_PAREN are empty strings.
8442 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8443 Geoffrey Keating <geoffk@cygnus.com>
8445 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8446 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8447 (unprotoize.o): Ditto.
8448 (test-protoize-simple): Don't define STD_PROTO_DIR.
8449 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8450 changes to make 'test-protoize-simple' pass.
8451 (STD_PROTO_DIR): Remove define.
8452 (STANDARD_EXEC_PREFIX): Supply default define.
8453 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8454 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8455 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8456 (GET_ENV_PATH_LIST): New macro.
8457 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8458 (do_processing): Initialize default_syscalls_dir using new
8459 macros. Use it to initialize syscalls_absolute_filename.
8461 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8463 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8464 B into a register before emit_conditional_move.
8466 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8468 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8469 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8470 multiplicand out of (+ (* a b) (* c d)).
8472 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8473 Richard Henderson <rth@cygnus.com>
8475 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8476 (new_insn_dead_notes): Likewise.
8477 (update_n_sets): Likewise.
8478 (update_flow_info): Move to flow.c, renamed to update_life_info;
8479 extend to handle multiple source insns.
8480 * flow.c: Include resource.h
8481 (unlink_insn_chain): New.
8482 (split_hard_reg_notes): New.
8483 (maybe_add_dead_note): New.
8484 (maybe_add_dead_note_use): New.
8485 (find_insn_with_note): New.
8486 (new_insn_dead_notes): New.
8487 (update_n_sets): New.
8488 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8489 (maybe_remove_dead_notes): New.
8490 (update_life_info): New.
8491 (prepend_reg_notes): New.
8492 (replace_insns): New.
8493 * output.h (update_life_info): Declare.
8494 * recog.c (split_block_insns): Use update_life_info.
8495 * resource.c (find_free_register): Use reg_alloc_order, don't use
8496 fixed regs, make sure the mode is supported, don't use new regs.
8498 * rtl.h (replace_insns): Declare.
8500 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8502 * expr.c (expand_expr): Cope with COND_EXPRs with one
8503 non-returning branch.
8505 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8507 * expr.c (store_expr): Always pass down the target, even when not
8510 1999-08-24 Nick Clifton <nickc@cygnus.com>
8512 * configure.in: Define target_cpu_default for v850 targets.
8513 * configure: Regenerate
8515 * config/v850/v850.h (TARGET_CPU_generic): Define.
8516 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8517 addresses are 4 byte aligned.
8519 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8522 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8524 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8525 (main): Add prototypes.
8527 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8528 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
8529 (write_attr_get): Emit prototypes along with function definition.
8530 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
8531 (write_complex_function): Emit static prototype along with
8532 function definition.
8534 * genemit.c (gen_split): Emit prototypes along with function
8537 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
8538 Likewise for predicates and `insn_operand_predicate'.
8539 (process_template): Emit static prototype along with function
8542 * genrecog.c (make_insn_sequence): Constify a char*. Add
8543 prototypes for get_split_*().
8544 (write_subroutine): Emit prototypes along with function
8547 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8549 * gcse.c (find_avail_set): Follow chains of register-register copies.
8550 Use oprs_not_set_p to guarantee that the returned value can be
8552 (cprop_insn): Don't verify the return value of find_avail_set with
8555 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
8556 (cprop_cc0_jump): New function.
8557 (cprop_insn): Break out new function cprop_jump and use it.
8558 Also use cprop_cc0_jump for machines with CC0.
8559 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
8561 * tree.h (current_function_calls_setjmp,
8562 current_function_calls_longjmp): Delete declarations.
8563 * dsp16xx.c: Include "function.h".
8564 * elxsi.c: Likewise.
8565 * gmicro.c: Likewise.
8566 * h8300.c: Likewise.
8569 * mn10200.c: Likewise.
8570 * mn10300.c: Likewise.
8571 * ns32k.c: Likewise.
8575 * rtl.h (rtx_equal_function_value_matters): Declare.
8576 * toplev.c (rtx_equal_function_value_matters): Don't declare.
8578 * function.c: Likewise.
8579 * emit-rtl.c: Likewise.
8581 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
8583 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
8586 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8588 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
8591 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
8593 * cpp.texi: Add a node documenting macro varargs (copied
8596 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
8598 * cppspec.c: Put a null pointer at the end of the new argv.
8600 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
8602 * configure.in: Remove code to select/de-select the haifa
8603 scheduler. Every scheduled port gets haifa now.
8604 * configure: Rebuilt.
8605 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
8607 * Makefile.in: Corresponding changes.
8609 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8611 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
8612 All callers changed.
8613 (prepare_float_lib_cmp): Likewise.
8614 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
8615 * expr.h (emit_float_lib_cmp): Delete declaration.
8616 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
8617 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
8618 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
8620 (cmptf): Now conditional on TARGET_HARD_QUAD.
8622 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
8624 * resource.c (mark_target_live_regs): Use
8625 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
8627 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8629 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
8631 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
8633 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
8635 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8637 * rtl.h (rtx_format): Constify a char*.
8639 * rtl.c (rtx_format): Likewise.
8640 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
8641 (init_rtl): Use accessor macro, not `rtx_format'.
8643 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
8646 * caller-save.c (mark_referenced_regs): Likewise.
8648 * combine.c (subst, make_compound_operation, known_cond,
8649 gen_rtx_combine, update_table_tick, get_last_value_validate,
8650 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
8652 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
8653 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
8654 count_reg_usage): Likewise.
8656 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
8659 * final.c (leaf_renumber_regs_insn): Likewise.
8661 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
8662 dump_edge_info, count_reg_references): Likewise.
8664 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
8665 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
8668 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
8669 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
8670 add_label_notes): Likewise.
8672 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
8673 clear_struct_flag, count_sub_rtxs, count_alternatives,
8674 compares_alternatives_p, contained_in_p, walk_attr_value,
8675 write_expr_attr_cache): Likewise.
8677 * genconfig.c (walk_insn_part): Likewise.
8679 * genemit.c (max_operand_1, gen_exp): Likewise.
8681 * genextract.c (walk_rtx): Likewise.
8683 * genflags.c (num_operands): Likewise.
8685 * genoutput.c (scan_operands): Likewise.
8687 * genpeep.c (match_rtx): Likewise.
8689 * genrecog.c (add_to_sequence): Likewise.
8691 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
8694 * integrate.c (save_constants, copy_for_inline,
8695 copy_rtx_and_substitute, subst_constants, restore_constants):
8698 * jump.c (mark_jump_label, invert_exp, redirect_exp,
8699 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
8701 * local-alloc.c (contains_replace_regs, memref_referenced_p):
8704 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
8705 add_label_notes, replace_call_address, count_nonfixed_reads,
8706 invariant_p, find_single_use_in_loop, find_mem_givs,
8707 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
8710 * print-rtl.c (reg_names, print_rtx): Likewise.
8712 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
8714 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
8715 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
8716 print_blocks): Likewise.
8718 * regclass.c (fix_register, record_address_regs,
8719 reg_scan_mark_refs): Likewise.
8721 * regmove.c (stable_but_for_p): Likewise.
8723 * reload.c (loc_mentioned_in_p, operands_match_p,
8724 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
8725 copy_replacements, refers_to_regno_for_reload_p,
8726 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
8727 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
8730 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
8731 delete_address_reloads_1, count_occurrences,
8732 reload_cse_mem_conflict_p, reload_combine_note_use,
8733 add_auto_inc_notes): Likewise.
8735 * resource.c (mark_referenced_resources, mark_set_resources):
8738 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
8739 reg_mentioned_p, regs_set_between_p, modified_between_p,
8740 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
8741 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
8742 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
8743 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
8745 * sched.c (sched_analyze_2, attach_deaths): Likewise.
8747 * stupid.c (stupid_mark_refs): Likewise.
8749 * unroll.c (remap_split_bivs): Likewise.
8751 * varasm.c (mark_constants): Likewise.
8753 * a29k/a29k.c (uses_local_reg_p): Likewise.
8755 * alpha/alpha.c (summarize_insn): Likewise.
8757 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
8758 eliminate_lr2ip): Likewise.
8760 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
8762 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
8763 reg_mentioned_in_mem): Likewise.
8765 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
8766 symbolic_reference_mentioned_p): Likewise.
8768 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
8770 * sh/sh.c (regs_used, mark_use): Likewise.
8772 * vax/vax.c (vax_rtx_cost): Likewise.
8774 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8776 * machmode.h (mode_name): Constify a char*.
8778 * rtl.c (mode_name): Likewise.
8780 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
8782 * optabs.c (init_libfuncs): Constify a char*.
8784 * print-tree.c (mode_name): Remove redundant declaration.
8785 (print_node): Use accessor macro, not `mode_name'.
8787 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
8789 (new_spill_reg): Constify a char*.
8791 * tree.c (mode_name): Remove redundant declaration.
8793 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8795 * rtl.c (rtx_name): Constify a char*.
8797 * rtl.h (rtx_name, fix_sched_param): Likewise.
8799 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
8800 (mypr): Use accessor macro, not `rtx_name'.
8802 * genemit.c (print_code): Constify a char*.
8804 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
8806 * genpeep.c (print_code): Constify a char*.
8808 * genrecog.c (print_code): Likewise.
8810 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
8811 end_bb): Add static prototype.
8812 (draw_edge): Constify a char*.
8813 (end_bb): Remove unused parameter.
8815 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
8816 print_block_visualization): Constify a char*.
8818 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
8820 * c-common.c (c_get_alias_set): Update comment.
8822 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8824 * linux.h (LIB_SPEC): Added.
8826 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8828 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
8830 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
8832 * tree.c (expr_check): Fix typo in last change.
8834 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
8836 * rtl.def (NOTE): Change format to "iuu0n".
8837 (ADDR_DIFF_VEC): Change format to "eEee0".
8838 (ADDRESSOF): Change format to "eit".
8840 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
8841 (RTVEC_ELT): Change to match.
8842 (XVECEXP): Use XVEC and RTVEC_ELT.
8843 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
8844 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
8845 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
8846 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
8847 TRAP_CONDITION, TRAP_CODE): Use XEXP.
8848 (INTVAL): Use XWINT.
8849 (ADDRESSOF_DECL): Use XTREE.
8850 (SET_ADDRESSOF_DECL): Delete.
8851 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
8852 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
8853 ifdefed out since 2.6 at least.
8854 (gen_rtvec_vv): Delete prototype.
8856 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
8858 (copy_most_rtx): Handle 't' format letter.
8859 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
8860 (gen_rtvec_vv): Delete function. All callers changed to use
8861 gen_rtvec_v instead.
8862 * print-rtl.c (print_rtx): Move special casing of NOTEs to
8863 the '0' format letter.
8865 * function.c (gen_mem_addressof): Don't use
8866 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
8868 * integrate.c (copy_rtx_and_substitute): Likewise.
8869 Copy 't' slots with XTREE.
8870 (subst_constants): Treat 't' slots like '[swi]' slots.
8871 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
8872 * jump.c (rtx_equal_for_thread_p): Likewise.
8873 * rtlanal.c (rtx_equal_p): Likewise.
8874 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
8875 only four arguments.
8876 * gengenrtl.c (type_from_format): Provide correct types for
8880 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
8881 If a recent gcc is in use (always in stage2 and beyond), use
8882 statement expressions, so we don't make a function call unless
8883 the check fails. Evaluate arguments exactly once.
8884 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
8885 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
8887 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
8888 they evaluate their arguments exactly once, irrespective of
8889 the compiler in use.
8891 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
8892 is used by the currently-enabled check macros. This is:
8893 (tree_check_failed, tree_class_check_failed): For gcc.
8894 (tree_check, tree_class_check, cst_or_constructor_check,
8895 expr_check): For other compilers.
8897 * gencheck.c: Do not define any *_CHECK1 macros.
8899 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
8900 Mark Mitchell <mark@codesourcery.com>
8902 * c-common.c (c_get_alias_set): Fix support for poitners and
8905 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
8907 * alias.c: Include tree.h.
8908 (nonlocal_reference_p, mark_constant_function): New functions.
8909 * flow.c (life_analysis): Call mark_constant_function.
8910 * rtl.h (mark_constant_function): Declare it.
8912 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
8914 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
8915 unrecognisable switches.
8917 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8919 * loop.c (recombine_givs): Set ix field after sorting.
8920 (recombine_givs): Remove bogus index / giv lockstep looping.
8922 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8924 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
8926 (emit_store_flag_force): Use do_compare_rtx_and_jump.
8927 (do_cmp_and_jump): Formatting fixes.
8928 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
8929 do_compare_rtx_and_jump instead of compare_from_rtx.
8930 (do_compare_rtx_and_jump): New function; mostly copied from
8932 (do_jump_for_compare): Delete.
8933 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
8935 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
8936 of compare/do_jump_for_compare pairs.
8937 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
8938 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
8939 compare_from_rtx/do_jump_for_compare pairs.
8940 (do_jump_by_parts_equality): Likewise.
8941 (do_jump_by_parts_equality_rtx): Likewise.
8942 * expr.h (do_compare_rtx_and_jump): Declare.
8943 * optabs.c (prepare_cmp_insn): New function, contains most of the code
8944 that used to be in emit_cmp_insn.
8945 (cmp_available_p): New function.
8946 (prepare_operand): New function.
8947 (emit_cmp_and_jump_insn_1): New function, contains some code that used
8948 to be in emit_cmp_insn.
8949 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
8950 parameters to be pointers; don't emit final compare but modify some of
8951 the values pointed to by the args so the caller can perform the
8953 (expand_binop): Call emit_store_flag_force with signed forms of
8955 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
8956 emit_jump_insn pair.
8957 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
8958 emit_cmp_and_jump_insn_1. Call emit_queue.
8959 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
8961 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
8962 jump sets cc0 before deleting it.
8963 * integrate.c (expand_inline_function): Likewise.
8964 * unroll.c (unroll_loop): Similar changes in several places.
8965 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
8968 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8970 * Makefile.in (insn-recog.o): Update dependencies.
8971 * genrecog.c (main): Make generated file include "function.h".
8973 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
8975 * cse.c (cse_insn): Call never_reached_warning when a jump is
8976 changed to be unconditional.
8977 * flags.h: Declare warn_notreached.
8978 * flow.c (delete_block): Call never_reached_warning when
8980 * jump.c (delete_barrier_successors): Call never_reached_warning
8981 when we delete everything after a BARRIER.
8982 (never_reached_warning): New function.
8983 * rtl.h: Declare never_reached_warning.
8984 * toplev.c (warn_notreached): New variable.
8985 (lang_independent_options): Set warn_notreached
8986 when -Wunreachable-code.
8987 (compile_file): We need line numbers for -Wunreachable-code.
8989 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
8991 * haifa-sched.c (insn_unit): Fix typo on out of range test.
8992 * sched.c (insn_unit): Likewise.
8994 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
8996 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
8998 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9000 * flow.c (create_edge_list): Use xmalloc, not malloc.
9002 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
9004 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
9005 C-style comments. Do not lose the character before double slash.
9007 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9009 * basic-block.h (struct edge_list): Stucture to maintain a vector
9011 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
9012 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
9013 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
9014 New function prototypes.
9015 * flow.c (create_edge_list): Function to create an edge list.
9016 (free_edge_list): Discards memory used by an edge list.
9017 (print_edge_list): Debug output showing an edge list.
9018 (verify_edge_list): Internal consistency check for an edge list.
9019 (find_edge_index): Function to find an edge index for a pred and succ.
9021 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
9023 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
9026 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
9028 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
9030 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9032 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9034 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
9036 * toplev.c (rest_of_compilation): Allow machine dependent
9037 reorganisation pass to place information into the RTL dump
9038 file if it so wishes.
9040 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
9042 * explow.c (hard_function_value): Use VOIDmode instead of
9044 * stmt.c (expand_return): Likewise.
9045 * stor-layout.c (get_best_mode): Likewise.
9047 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
9048 emit call instead of emit_insn call.
9050 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9052 * configure.in: Handle --disable/enable-win32-registry.
9053 * install.texi: Document --disable/enable-win32-registry.
9054 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
9055 (WIN32_REGISTRY_KEY): New macro.
9056 * prefix.c: Use to enable/disable win32-specific code.
9057 (lookup_key): Use versioned key.
9058 * configure: Regenerate.
9059 * config.in: Likewise.
9061 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
9063 * cpplib.c (read_line_number): New fn, split out of...
9066 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
9068 tree.c (lang_unsave_expr_now) : New.
9069 (unsave_expr_now): Call lang_unsave_expr_now.
9070 tree.h (lang_unsave_expr_now) : New.
9072 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
9074 * toplev.c (flag_new_exceptions): On by default.
9076 1999-08-13 Michael Meissner <meissner@cygnus.com>
9078 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
9080 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9082 * dwarfout.c (fundamental_type_code): Return FT_boolean for
9083 INTEGER_TYPE with precision==1, it's __java_boolean.
9085 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9087 * global.c (prune_preferences): Move some invariants out of the
9090 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
9092 * configure.in (alpha*-dec-osf*): Add osf5.
9094 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
9096 * configure.in: Rework handling of ARM GNU/Linux slightly.
9097 (arm*-*-linux-gnuoldld): New target.
9098 * configure: Regenerate.
9099 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
9100 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
9101 * config/arm/linux-oldld.h: New file.
9102 * config/arm/linux-elf26.h: Don't include linux-elf.h.
9103 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
9105 * config/arm/linux-elf.h (ASM_SPEC): Define.
9106 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
9107 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
9108 for 26-bit APCS and old linker.
9109 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
9111 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
9112 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
9113 don't define `arm' or `arm_elf'.
9114 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
9115 MULTILIB_DIRNAMES): Define. Fix typo in comment.
9117 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
9119 * rtl.texi: Fix typo.
9121 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
9123 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
9125 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
9127 * extend.texi (C++ Signatures): Remove node.
9128 * invoke.texi: Remove discussion of -fhandle-signatures,
9129 signature, sigof, __signature__, and __sigof__.
9131 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
9133 * Makefile.in (JAVAGC): Removed.
9135 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
9137 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9139 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9141 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9143 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
9145 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
9146 a register that is already known to be a pointer.
9148 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
9150 * fixinc/inclhack.tpl: Only install assert.h conditionally.
9151 * fixinc/inclhack.sh: Regenerated.
9152 * fixinc/fixincl.sh: Regenerated.
9154 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
9156 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
9157 Fix documentation of -ansi flag to describe its C++ behavior.
9158 Remove bogus reference to GCC 2.9.
9160 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
9162 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
9163 note if it is non-NULL.
9165 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9167 * except.h (eh_nesting_info): Add new structure defintion.
9168 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
9169 (reachable_handlers, update_rethrow_references): Add function
9171 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
9172 a rethrow symbol instead of an integer exception region number.
9173 * flow.c (Make_edges): Use new exception nesting routines to determine
9174 which handlers are reachable from a CALL or asynchronous insn.
9175 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
9177 (delete_eh_regions): Update rethrow labels, and don't delete
9178 regions which are the target of a rethrow.
9179 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
9180 avoid overloading the SYMBOL_REF_USED flag.
9181 (rethrow_symbol_map): Use new rethrow_ref field.
9182 (rethrow_used): Use new rethrow_ref field.
9183 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
9184 of an integer. Fix formatting.
9185 (output_exception_table_entry): Use new rethrow_ref field.
9186 (can_throw): Check for EH_REGION_NOTE before deciding
9187 whether a CALL can throw or not.
9188 (scan_region): Call rethrow_used() instead of accessing data structure.
9189 (update_rethrow_references): New function to make sure only regions
9190 which are still targets of a rethrow are flagged as such.
9191 (process_nestinfo): New static function to initialize a handler
9192 list for a specific region.
9193 (init_eh_nesting_info): New function to allocate and initialize
9194 the list of all EH handlers reachable from all regions.
9195 (reachable_handlers): New function to retrieve the list of handlers
9196 reachable from a specific region and insn.
9197 (free_eh_nesting_info): New function to dispose of a list of
9200 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9202 * flow.c (split_edge): Set JUMP_LABEL field.
9203 (commit_one_edge_insertion): Set head correctly for insert_before.
9204 When inserting insns, update insn block numbers if allocated.
9206 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9208 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
9209 retry_incomplete_types): Add static prototype.
9210 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
9211 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
9212 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
9213 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
9214 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
9217 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
9218 dwarf2out_start_source_file, dwarf2out_line): Likewise.
9220 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * output.h (assemble_name): Constify a char*.
9224 * varasm.c (UNIQUE_SECTION, assemble_start_function,
9225 assemble_variable, assemble_name): Likewise.
9227 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
9229 * arm/pe.c (arm_pe_unique_section): Likewise.
9231 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
9233 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
9235 * i386/interix.c (i386_pe_unique_section): Likewise.
9237 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
9239 * i386/winnt.c (i386_pe_unique_section): Likewise.
9241 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9243 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
9245 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
9247 * pa/pa.c (output_call): Likewise.
9249 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
9251 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
9253 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
9256 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
9259 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
9261 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
9262 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
9264 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
9266 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9268 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
9270 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9272 * tree.h (lang_identify): Constify a char*.
9273 (print_error_function): Add extern prototype. Constify a char*.
9275 * c-lang.c (lang_identify): Constify a char*.
9277 * objc/objc-act.c (lang_identify): Constify a char*.
9279 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9281 * genpeep.c (main): Make generated file include "function.h".
9282 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
9284 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9286 * Makefile.in: Update dependencies.
9287 * alias.c: Include "function.h"
9288 * c-decl.c: Likewise.
9289 * caller-save.c: Likewise.
9290 * calls.c: Likewise.
9291 * combine.c: Likewise.
9293 * explow.c: Likewise.
9294 * final.c: Likewise.
9295 * global.c: Likewise.
9296 * graph.c: Likewise.
9297 * local-alloc.c: Likewise.
9299 * optabs.c: Likewise.
9300 * profile.c: Likewise.
9301 * recog.c: Likewise.
9302 * regclass.c: Likewise.
9303 * regmove.c: Likewise.
9304 * reload.c: Likewise.
9305 * reorg.c: Likewise.
9306 * resource.c: Likewise.
9307 * sched.c: Likewise.
9308 * stupid.c: Likewise.
9309 * config/1750a/1750a.c: Likewise.
9310 * config/a29k/a29k.c: Likewise.
9311 * config/arc/arc.c: Likewise.
9312 * config/arm/arm.c: Likewise.
9313 * config/arm/thumb.c: Likewise.
9314 * config/c4x/c4x.c: Likewise.
9315 * config/clipper/clipper.c: Likewise.
9316 * config/convex/convex.c: Likewise.
9317 * config/fx80/fx80.c: Likewise.
9318 * config/i860/i860.c: Likewise.
9319 * config/m68k/m68k.c: Likewise.
9320 * config/m88k/m88k.c: Likewise.
9321 * config/mips/mips.c: Likewise.
9322 * config/pdp11/pdp11.c: Likewise.
9323 * config/pyr/pyr.c: Likewise.
9324 * config/romp/romp.c: Likewise.
9325 * config/sh/sh.c: Likewise.
9326 * config/tahoe/tahoe.c: Likewise.
9327 * config/vax/vax.c: Likewise.
9328 * config/we32k/we32k.c: Likewise.
9329 * config/sparc/sparc.c: Include "function.h".
9330 (mem_min_alignment): Test current_function rather than
9331 regno_pointer_align.
9332 * config/pa/pa.c: Likewise.
9333 (compute_frame_size): Delete declaration of
9334 current_function_outgoing_args_size.
9335 * config/arc/arc.h (current_function_varargs): Delete declaration.
9336 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
9338 * config/i370/i370.h (current_function_outgoing_args_size): Delete
9340 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
9341 current_function_uses_pic_offset_table.
9342 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
9343 of current_function_returns_pointer.
9344 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9345 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9346 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9347 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9348 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9349 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9350 * config/m88k/m88k.c: Include "function.h"
9351 (call_used_regs, current_function_pretend_args_size,
9352 current_function_outgoing_args_size, frame_pointer_needed): Delete
9354 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
9356 * config/mips/mips.h (current_function_calls_alloca): Delete
9358 * config/mn10200/mn10200.h (current_function_needs_context,
9359 rtx_equal_function_value_matters): Delete declarations.
9360 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
9361 flag_pic): Delete declarations.
9362 * config/pa/pa.h (current_function_pretend_args_size,
9363 current_function_decl): Delete declarations.
9364 * config/pa/som.h (current_function_varargs): Delete declaration.
9365 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
9367 * config/pyr/pyr.h (current_function_pretend_args_size,
9368 current_function_args_size, current_function_calls_alloca): Delete
9370 * config/sh/sh.h (current_function_varargs): Delete declaration.
9371 * config/sparc/sparc.h (current_function_outgoing_args_size,
9372 current_function_calls_alloca, current_function_decl): Delete
9374 * config/spur/spur.h (current_function_pretend_args_size,
9375 current_function_calls_alloca): Delete declarations.
9376 * config/v850/v850.c (current_function_outgoing_args_size): Delete
9378 * config/vax/vms.h (current_function_name): Delete declaration.
9379 * gcse.c: Include "function.h".
9380 (current_function_name, current_function_calls_setjmp): Delete
9382 * haifa-sched.c: Include "function.h".
9383 (forced_labels): Delete declaration.
9385 * reg-stack.c: Likewise.
9386 * reload1.c: Likewise.
9387 * genemit.c (main): Make generated file include function.h.
9388 * genoutput.c (output_prologue): Likewise.
9390 * builtins.c (saveregs_value, apply_args_value): Delete variables.
9391 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
9392 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
9393 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
9394 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
9395 macros for some of them.
9396 (emit_filename, emit_lineno): Delete declarations.
9397 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
9398 regno_pointer_* variables through current_function.
9399 (gen_inline_header_rtx): Delete function.
9400 (save_emit_status): Delete function.
9401 (set_new_last_label_num): New function.
9402 (clear_emit_caches): New function.
9403 (restore_emit_status): Just clear last_labelnum and call
9405 (get_last_insn_anywhere): Variable sequence_stack is now accessed
9406 through macro seq_stack.
9407 (add_insn_after): Likewise.
9408 (add_insn_before): Likewise.
9409 (remove_insn): Likewise.
9410 (pop_topmost_sequence): Likewise.
9411 (in_sequence_p): Likewise.
9412 (start_sequence_for_rtl_expr): Likewise.
9413 (start_sequence): Likewise, and likewise for
9414 sequence_rtl_expr/seq_rtl_expr.
9415 (push_topmost_sequence): Likewise.
9416 (end_sequence): Likewise.
9417 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9418 All callers changed. Store into that pointer instead of globals.
9419 (init_emit): Allocate emit elt of current_function.
9420 Changes for sequence_rtl_expr/sequence_stack renaming.
9421 Call clear_emit_caches instead of doing it in-line.
9422 Access regno_pointer_* variables through current_function.
9423 (init_emit_once) Don't clear sequence_stack.
9425 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9427 (arg_pointer_save_area): Delete declaration.
9428 (finish_expr_for_function): Renamed from init_queue; no longer static.
9429 (init_expr): Don't call init_queue.
9430 (save_expr_status, restore_expr_status): Delete functions.
9431 (expand_expr): Changes to reflect new layout of struct function.
9432 Don't access current_function_check_memory_usage when current_function
9434 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9435 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9436 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9437 current_function_uses_const_pool, function_call_count,
9438 current_function_uses_pic_offset_table, nonlocal_labels,
9439 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9440 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9441 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9443 (finish_expr_for_function): Declare.
9444 * flags.h (current_function_has_nonlocal_label,
9445 current_function_has_nonlocal_goto, current_function_is_thunk,
9446 current_function_has_computed_jump): Delete declarations.
9447 * flow.c (forced_labels): Delete declaration.
9448 * function.c (current_function_pops_args,
9449 current_function_returns_struct, current_function_returns_pcc_struct,
9450 current_function_needs_context, current_function_calls_setjmp,
9451 current_function_calls_longjmp, current_function_has_nonlocal_label,
9452 current_function_has_nonlocal_goto, current_function_is_thunk,
9453 current_function_has_computed_jump, current_function_calls_alloca,
9454 current_function_contains_functions, current_function_returns_pointer,
9455 current_function_epilogue_delay_list, current_function_args_size,
9456 current_function_pretend_args_size, current_function_arg_offset_rtx,
9457 current_function_outgoing_args_size, current_function_varargs,
9458 current_function_stdarg, current_function_args_info, cleanup_label,
9459 current_function_name, current_function_uses_const_pool,
9460 current_function_instrument_entry_exit, current_function_return_rtx,
9461 current_function_uses_pic_offset_table, nonlocal_labels,
9462 current_function_internal_arg_pointer, current_function_cannot_inline,
9463 current_function_check_memory_usage, function_call_count,
9464 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9465 nonlocal_goto_stack_level, return_label, save_expr_regs,
9466 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9467 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9468 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9469 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9470 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9472 (push_function_context_to): Don't save them. Don't call
9473 save_storage_status, save_emit_status or save_expr_status.
9474 (pop_function_context_from): Don't restore them. Don't call
9475 restore_storage_status or restore_expr_status.
9476 (get_func_frame_size): New function.
9477 (get_frame_size): Use it.
9478 (assign_outer_stack_local): Reflect some member name changes in struct
9480 (put_reg_into_stack): Likewise.
9481 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9483 (fixup_var_refs): Likewise.
9484 (fix_lexical_addr): Likewise.
9485 (trampoline_address): Likewise.
9486 (prepare_function_start): Clear field inlinable of current_function.
9487 (init_function_for_compilation): New function.
9488 (expand_dummy_function_end): New function.
9489 (expand_function_end): Call finish_expr_for_function.
9490 * function.h (struct emit_status): New; fields moved here from struct
9491 function and from global variables. Add accessor macros for some of
9493 (struct expr_status): Likewise.
9494 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9495 (struct function): Add fields expr and emit, inlinable, inl_emit,
9496 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9497 inl_max_label_num. Add many comments.
9498 Add accessor macros for all elts of struct function that no longer
9499 have a global variable.
9500 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9501 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9502 stack_slot_list): Delete declarations.
9503 (get_func_frame_size): Declare.
9504 (save_expr_status, restore_expr_status, save_emit_status,
9505 save_storage_status, restore_storage_status): Delete declarations.
9506 (init_virtual_regs): Declare.
9507 * output.h (current_function_pops_args,
9508 current_function_returns_struct, current_function_returns_pcc_struct,
9509 current_function_needs_context, current_function_calls_setjmp,
9510 current_function_calls_longjmp, current_function_calls_alloca,
9511 current_function_has_nonlocal_label, current_function_varargs,
9512 current_function_has_computed_jump, current_function_returns_pointer,
9513 current_function_contains_functions, current_function_args_size,
9514 current_function_pretend_args_size, current_function_stdarg,
9515 current_function_outgoing_args_size, current_function_args_info,
9516 current_function_name, current_function_return_rtx,
9517 current_function_epilogue_delay_list,
9518 current_function_uses_const_pool, current_function_cannot_inline):
9519 Delete declarations.
9520 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9521 regno_reg_rtx): Delete declaration.
9522 (REGNO_POINTER_FLAG): Delete macro.
9523 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9524 function were renamed.
9525 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9527 * toplev.c: Include "function.h".
9528 (current_function_decl): Delete declaration.
9529 (compile_file): Call init_dummy_function_start and
9530 expand_dummy_function_end around some initializations that need to
9532 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
9533 Call init_function_for_compilation.
9534 * unroll.c: Include "function.h"
9535 (unroll_loop): Access regno_pointer_* variables through
9538 * tree.h (struct tree_decl): Add elt f to saved_insns member.
9539 (DECL_SAVED_INSNS): use it.
9540 (expand_dummy_function_end): Declare.
9541 (init_function_for_compilation): Declare.
9542 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
9543 that it's no longer an INLINE_HEADER.
9544 (expand_call): Likewise.
9545 * integrate.c (finish_inline): Delete function.
9546 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
9547 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
9548 args. Don't generate an INLINE_HEADER rtx, just return the arg
9549 vector. All callers changed.
9550 (save_for_inline_copying): Create a duplicate struct emit_status to
9551 hold the emit state for compiling the current function. Use this and
9552 the other new fields in struct function that are for integration
9553 instead of an INLINE_HEADER.
9554 Use memcpy instead of bcopy.
9555 Store the current struct function in DECL_SAVED_INSNS of fndecl.
9556 (save_for_inline_nocopy): Similar changes, except no new emit_status
9558 (expand_inline_function): Get information from function structure,
9559 not from an inline header rtx.
9560 (output_inline_function): Lose code to extract the necessary
9561 information from an inline header; simply put back the function
9562 structure into current_function. Clear its inlinable elt.
9563 * rtl.def (INLINE_HEADER): Delete.
9564 * rtl.h: Delete all accessors for an INLINE_HEADER.
9565 (gen_inline_header_rtx): Delete declaration.
9566 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
9567 Delete declarations.
9568 (REGNO_POINTER_ALIGN): Delete.
9569 (clear_emit_caches): Declare.
9570 (set_new_last_label_num): Declare.
9572 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
9574 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
9576 * except.c (expand_eh_region_start_for_decl): Always start a new block.
9577 * stmt.c (is_eh_region): Make sure current_function is present, too.
9579 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
9581 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
9582 for 64bit PA targets.
9584 * pa.h (SELECT_SECTION): Define.
9585 * som.h (SELECT_SECTION): Delete.
9587 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9589 * alias.c (init_alias_analysis): Wrap call to
9590 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
9592 1999-08-07 Bruce Korb <autogen@linuxbox.com>
9594 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
9595 <sys/asm.h> contains an asm comment with an apostrophe
9596 * fixinc/inclhack.sh: regen
9597 * fixinc/fixincl.x: regen
9599 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
9601 * function.c (init_function_start): Clear prologue & epilogue.
9602 (prologue_epilogue_contains): New function.
9603 * alias.c (init_alias_analysis): Use it.
9604 * rtl.h (prologue_epilogue_contains): Declare it.
9606 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
9608 * jump.c (onlyjump_p): New function.
9609 * rtl.h: Declare it.
9610 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
9611 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
9613 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
9615 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
9616 to invert loops. Simplify block scanning.
9618 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9620 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
9621 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
9623 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
9625 * config/sparc/liteelf.h: New file to support sparclite-elf target
9626 * config/sparc/t-sp86x: New file to support sparc86x targets
9627 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
9628 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
9629 * configure.in: Support above target triplets
9630 * configure: Regenerated
9632 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
9634 * fixinc/server.c (server_setup): Do not prefix function used as
9637 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
9639 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
9640 Remove fp reg alternatives.
9642 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
9644 * Makefile.in (TAROUTOPTS): Kill.
9645 (install-headers-tar): Use "xpf" for tar headerfile extraction
9646 * i370/x-oe (TAROUTOPTS): Delete.
9647 * m68k/x-apollo68 (TAROUTOPTS): Delete.
9648 * m68k/x-hp320 (TAROUTOPTS): Delete.
9649 * m68k/x-hp320g (TAROUTOPTS): Delete.
9650 * gcc.texi: Update bug reporting text.
9652 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9654 * reg-stack.c (change_stack) Fixed problem with negative array index.
9656 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
9658 * extend.texi, install.texi: Fix spelling mistakes.
9660 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
9661 (s-attrtab); No longer try to use pre-made insn-attrtab file.
9662 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
9664 * mips/t-ecoff: Likewise.
9665 * mips/t-elf: Likewise.
9666 * mips/t-mips: Likewise.
9667 * mips/t-osfrose: Likewise.
9668 * mips/t-r3900: Likewise.
9669 * mips/t-svr3: Likewise.
9670 * mips/t-svr4: Likewise.
9671 * mips/t-ultrix: Likewise.
9673 * gcc.texi: Document recommend means to provide software floating
9674 point libraries in libgcc.a
9676 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
9678 * c-lex.c (yylex): We can have a number with no digits.
9680 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
9682 * jump.c (delete_prior_computation): New function, broken
9683 out of delete_computation. Check for side effects with
9684 side_effects_p instead of FIND_REG_INC_NOTE. Handle
9685 multi-word hard registers.
9686 (delete_computation): Use it. Check for side effects with
9687 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
9688 missing REG_DEAD note for a register which is both set and
9691 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
9693 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
9694 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
9695 (ASM_FILE_START): Import _mcount with the right type.
9696 (ASM_DECLARE_FUNCTION_NAME): Define.
9697 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
9698 * pa.c (output_function_prologue): Always emit the function's label
9700 * pa.h (TEXT_SPACE_P): Define.
9701 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9702 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
9703 * som.h (TEXT_SPACE_P): Delete.
9704 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9705 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
9707 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
9709 * expr.c (emit_group_load): Allow src to be a CONCAT.
9711 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9713 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
9714 (___mulsi3): Use '!' comment character.
9716 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9718 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
9720 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
9722 * gcc.c: Update URLs and mail addresses.
9723 * gcc.texi: Likewise.
9725 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
9727 * rs6000.c (current_file_function_operand): Return zero for
9729 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
9731 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
9734 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
9736 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
9737 allocate space in the stack frame for the PIC register.
9739 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
9741 * m68k.md (xordi3, anddi3): These patterns are not available on
9744 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
9746 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
9747 (PUT_REAL): Likewise.
9749 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9751 * final.c (shorten_branches): Don't add an alignment for loops
9752 that have no label inside.
9754 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9756 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
9757 prototypes in macro HAVE_cmpstrsi.
9759 * cpplib.c (cpp_get_token): Remove unused label `op3'.
9761 * emit-rtl.c (operand_subword): Remove unused variable
9764 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
9766 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
9768 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
9770 * cpphash.c (macroexpand): Delete leading whitespace when arg
9771 is concatenated before.
9772 (unsafe_chars): Correct test for whether + and - can extend a
9775 * cppinit.c (cpp_start_read): Do dependencies for
9776 -include/-imacros files also.
9778 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
9779 tokenizing non-directive lines.
9780 (cpp_expand_to_buffer): Temporarily disable no-output mode.
9781 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
9784 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9786 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
9788 * c-lex.c: Sync with C++ frontend.
9789 (linemode): New variable.
9790 (parse_float): imag, conversion_errno, and type are output only.
9791 (yylex): Adjust. Move initial '.' case into main switch.
9793 (handle_generic_pragma): Just deal with tokens.
9794 (readescape): Use ISXDIGIT and ISGRAPH.
9795 * c-parse.in: Add END_OF_LINE token.
9797 * c-lex.c (lang_init): Generalize.
9798 (nextchar): Remove. Replace uses with UNGETC.
9799 (skip_white_space): Handle linemode here. Optimize for cpplib.
9800 (skip_white_space_on_line): Remove.
9801 (extend_token_buffer_to): New fn.
9802 (extend_token_buffer): Use it.
9803 (read_line_number, check_newline): Just deal with tokens.
9804 (token_getch, token_put_back): New fns.
9805 (yylex): Use them. More cpplib optimizations. Simplify.
9807 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9808 Jason Merrill <jason@yorick.cygnus.com>
9810 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
9811 (consume_string): Make this smart about USE_CPPLIB.
9812 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
9813 (yylex): Rewrite to be intelligent about USE_CPPLIB.
9814 Also, clean up cases where we redundantly set token_buffer[0].
9815 (read_line_number): New fn.
9816 (ignore_escape_flag): New variable.
9818 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
9820 * a29k/t-a29kbare: Fix some comments.
9821 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
9822 (FPBIT, DPBIT): Define.
9823 * a29k/t-vx29k: Likewise.
9824 * arc/t-arc: Likewise.
9825 * arm/t-arm-elf: Likewise.
9826 * arm/t-bare: Likewise.
9827 * arm/t-pe: Likewise.
9828 * arm/t-pe-thumb: Likewise.
9829 * arm/t-semi: Likewise.
9830 * arm/t-thumb: Likewise.
9831 * arm/t-thumb-elf: Likewise.
9832 * arm/t-thumb-linux: Likewise.
9833 * h8300/t-h8300: Likewise.
9834 * i960/t-i960: Likewise.
9835 * i960/t-vxworks960: Likewise.
9836 * m32r/t-m32r: Likewise.
9837 * mips/t-ecoff: Likewise.
9838 * mips/t-elf: Likewise.
9839 * mips/t-r3900: Likewise.
9840 * pa/t-pro: Likewise.
9841 * rs6000/t-aix43: Likewise.
9842 * rs6000/t-beos: Likewise.
9843 * rs6000/t-newas: Likewise.
9844 * rs6000/t-ppccomm: Likewise.
9845 * rs6000/t-rs6000: Likewise.
9846 * rs6000/t-winnt: Likewise.
9847 * rs6000/t-xnewas: Likewise.
9848 * rs6000/t-xrs6000: Likewise.
9849 * sh/t-sh: Likewise.
9850 * sparc/t-elf: Likewise.
9851 * sparc/t-sparcbare: Likewise.
9852 * sparc/t-sparclite: Likewise.
9853 * sparc/t-splet: Likewise.
9854 * v850/t-v850: Likewise.
9855 * mn10200/t-mn10200: Fix comments.
9856 * mn10300/t-mn10300: Likewise.
9858 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
9859 dummy operand. Allocate a new pseudo for the dummy operand.
9860 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
9862 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
9864 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
9866 * configure: Rebuilt.
9867 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
9869 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
9871 * recog.c (preproces_constraints): Zero recog_op_alt before
9872 processing the constraints.
9874 * arm.c (typedef minipool_node): Renamed from pool_node.
9875 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
9876 (add_minipool_constant): New function.
9877 (dump_minipool): New function.
9878 (find_barrier): Remove special case for getting the insn size of
9879 an insn that references the constant pool.
9880 (minipool_fixup): New structure.
9881 (push_minipool_barrier): New function.
9882 (push_minipool_fix): New function.
9883 (note_invalid_constants): New function.
9884 (add_pool_constant, dump_table, fixit, broken_move): Delete.
9885 (arm_reorg): Rewrite code to fix up the constant pool into a
9886 series of mini-pools embedded in the insn stream.
9887 (arm_output_epilogue): New function, made mainly from the body
9888 of output_func_epilogue.
9889 (output_func_epilogue): Move insn generation part of epilogue code
9890 to arm_output_epilogue.
9891 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
9892 * arm.md (pool_range): New attribute.
9893 (zero_extendqidi2): Add attribute pool_range.
9894 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
9895 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
9896 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
9897 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
9898 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
9899 (epilogue): New expand.
9900 (epilogue_insn): New insn. Call arm_output_epilogue.
9902 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
9903 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
9905 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9907 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9909 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9911 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
9913 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
9915 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
9917 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
9919 * global.c: Fix comment.
9921 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
9923 * gcc.c (access_check): New static function.
9924 (find_a_file): Use it when searching a directory list.
9925 * collect2.c (find_a_file): Don't accept directories found when
9926 searching a directory list.
9928 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
9930 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
9931 function parameters with `&'.
9932 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
9934 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
9936 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
9937 or tidy_fallthru_edge if the last insn in the block is not
9938 an unconditional jump or a simple conditional jump.
9940 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9942 * Makefile.in (c-decl.o): Depends on defaults.h.
9944 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
9946 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
9948 (CLASS_MAX_NREGS): Likewise.
9950 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
9952 * cse.c (cse_insn): Fix dumb thinko in last change.
9954 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9956 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
9959 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
9961 * dwarf2out.c (add_location_or_const_value_attribute): Correct
9962 test for sizes of passed and declared parameter types.
9964 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9966 * fixincludes: Fix the return type of bsearch, char* -> void*.
9968 * fixinc/inclhack.def: Likewise.
9970 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
9972 * invoke.texi (-fdump-translation-unit): New option.
9974 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
9976 * expr.h (PROMOTE_PROTOTYPES): Move ...
9977 * defaults.h: ... to here.
9978 * c-decl.c: Include defaults.h instead of expr.h.
9979 * c-typeck.c: Include defaults.h.
9981 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
9983 * toplev.h (errorcount): Declare.
9984 (warningcount): Likewise.
9985 (sorrycount): Likewise.
9986 * c-lex.c (errorcount): Don't declare.
9987 * dwarf2out.c (errorcount): Don't declare.
9989 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
9991 * config/libgloss.h: Add a note discouraging use with ELF.
9992 * configure.in: Don't use libgloss.h for ELF targets.
9993 Always use_collect2 on a.out targets.
9995 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
9997 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
9998 (force_to_mode, case ASHIFTRT): Add shiftrt label.
10000 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10002 * loop.c (strength_reduce): When doing biv->giv conversion, update
10003 reg note of NEXT->insn.
10005 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10007 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
10009 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10011 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
10012 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
10013 Ensure expr.h is included.
10014 * c-typecheck.c (convert_arguments): Ditto.
10016 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
10018 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
10019 * config/convex/convex.h: Ditto.
10020 * config/dsp16xx/dsp16xx.h: Ditto.
10021 * config/fx80/fx80.h: Ditto.
10022 * config/gmicro/gmicro.h: Ditto.
10023 * config/i370/i370.h: Ditto.
10024 * config/i386/i386.h: Ditto.
10025 * config/m32r/m32r.h: Ditto.
10026 * config/m68k/m68k.h: Ditto.
10027 * config/m88k/m88k.h: Ditto.
10028 * config/mips/mips.h: Ditto.
10029 * config/pa/pa.h: Ditto.
10030 * config/pyr/pyr.h: Ditto.
10031 * config/tahoe/tahoe.h: Ditto.
10032 * config/we32k/we32k.h: Ditto.
10034 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
10035 based on arch size.
10037 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
10039 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
10042 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
10044 1999-08-02 Richard Henderson <rth@cygnus.com>
10046 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
10047 for the register spill block.
10048 (m32r_va_arg): New.
10049 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
10050 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
10052 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
10053 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
10054 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
10056 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10058 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
10059 MAX_WCHAR_TYPE defined in sparc.h.
10060 * config/sparc/linuxaout.h: Likewise.
10061 * config/sparc/linux64.h: Likewise.
10062 Also default to -mvis if CPU is UltraSPARC.
10064 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10066 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
10067 (RTX_OK_FOR_OLO10): Likewise.
10068 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
10069 %lo(), allow it in addresses...
10070 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
10071 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
10072 does not make sense.
10073 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
10074 (sparc_output_scratch_registers): New function.
10075 (output_function_prologue, sparc_flat_output_function_prologue): Use
10077 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
10079 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
10080 * configure.in: Add check for .register pseudo-op support in as and
10081 check for offsetable %lo().
10082 * acconfig.h: Add templates for the above checks.
10083 * configure: Regenerate.
10085 1999-08-02 Richard Henderson <rth@cygnus.com>
10087 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
10088 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
10089 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
10091 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10093 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10096 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10098 * config/float-sparc.h: New file.
10099 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
10100 sparc-*-linux-gnu and sparc64-*-linux*.
10102 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10104 * rs6000.c (rs6000_va_list): Type is an array.
10105 (rs6000_va_start): Don't doubly adjust for varargs.
10106 (rs6000_va_arg): Evaluate long long GPR adjustment.
10108 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
10110 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
10111 -maix64 and -maix32.
10112 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
10113 LINK_SPEC): Change appropriately.
10114 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
10115 (u_short_cint_operand): Likewise.
10116 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
10118 * rs6000/t-aix43 (MULTILIB): Change to -m64.
10120 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
10122 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
10124 * rs6000/rs6000.c (num_insns_constant_wide): Correct
10125 for type promotion.
10126 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
10127 (non_add_cint_operand): Likewise.
10128 (logical_operand): Likewise.
10129 (non_logical_cint_operand): Likewise.
10130 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
10131 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
10132 (rs6000_select_rtx_section): Suppress warning.
10133 (small_data_operand): Suppress warning.
10134 (rs6000_got_register): Suppress warning.
10135 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
10136 type, so `J' is generally the wrong constraint for a SImode value;
10138 (andsi3_internal2): Likewise.
10139 (andsi3_internal3): Likewise.
10140 (iorsi3_internal1): Likewise.
10141 (xorsi3_internal1): Likewise.
10143 (movsf_softfloat): Likewise.
10144 (scc insns): Likewise.
10145 (movsi+2): Preserve sign bits of SImode constant.
10146 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
10147 (movdf+1): Sign-extend properly.
10148 (movdi_32+1): Sign-extend properly.
10149 (scc insns): Sign-extend properly.
10151 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
10154 1999-08-02 Richard Henderson <rth@cygnus.com>
10156 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
10157 -mcpu parsing code.
10158 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
10159 * alpha.md (all fp insns): Likewise.
10161 1999-08-02 Nick Clifton <nickc@cygnus.com>
10163 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
10166 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
10168 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
10169 pic_load_label generator directly.
10170 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
10171 No longer a named pattern.
10173 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
10175 * explow.c (force_reg): Call force_operand if X does not
10176 satisfy general_operand.
10178 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
10180 * fix-header.c (main): When testing for CONTINUED, use string
10181 equality, not pointer equality.
10183 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
10185 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
10187 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
10189 * cse.c (cse_insn): Fix loop which deletes insns after a jump
10190 that has become an unconditional jump.
10192 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
10193 (output_function_epilogue): Similarly.
10195 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10197 * tree.h (init_dummy_function_start): Declare.
10199 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10201 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
10202 last_expr_type, last_expr_value, block_start_count, block_stack,
10203 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
10204 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
10205 dynamically in stmt elt of struct function for each function.
10206 (struct nesting): Rename function_call_count elt to n_function_calls,
10207 target_temp_slot_level to block_target_temp_slot_level. All users
10209 (struct stmt_status): New structure definition.
10210 Add many accessor macros for stmt_status elements which previously
10211 were global variables.
10212 (init_stmt_for_function): Allocate stmt elt for current_function.
10213 Reflect that block_start_count was renamed to
10214 current_block_start_count.
10215 (save_stmt_status, restore_stmt_status): Delete functions.
10216 (preserve_subexpressions_p): Don't access loop_stack when outside
10218 (expand_start_bindings): Reflect that block_start_count was renamed to
10219 current_block_start_count.
10220 (expand_fixup): Likewise.
10221 (expand_decl): Don't access block_stack when outside a function.
10222 (expand_decl_cleanup): Likewise.
10223 (expand_dcc_cleanup): Likewise.
10224 (expand_dhc_cleanup): Likewise.
10225 (expand_anon_union_decl): Likewise.
10226 (set_file_and_line_for_stmt): New function.
10227 (in_control_zone_p): New function.
10229 * function.h (struct function): Add new elt stmt.
10230 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
10231 case_stack, nesting_stack, nesting_depth, block_start_count,
10232 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
10233 emit_lineno, goto_fixup_chain.
10234 (save_eh_status, restore_eh_status, save_stmt_status,
10235 restore_stmt_status): Delete declarations.
10236 * function.c (push_function_context_to): Don't call save_stmt_status.
10237 (pop_function_context_to): Don't call restore_stmt_status.
10238 * tree.h (in_control_zone_p): Declare.
10239 * rtl.h (set_file_and_line_for_stmt): Declare.
10241 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
10242 call set_file_and_line_for_stmt.
10244 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
10246 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
10247 Also update copyright.
10249 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10251 * c-pragma.c: Don't include "except.h".
10252 * emit-rtl.c: Likewise.
10253 * stor-layout.c: Likewise.
10254 * tree.c: Likewise.
10255 * varasm.c: Likewise.
10257 * flow.c: Include "function.h".
10258 * tree.h (init_dummy_function_start): Declare new function.
10260 * except.h (struct eh_status): New structure.
10261 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
10263 (eh_return_stub_label, ehstack, catchstack, ehqueue,
10264 catch_clauses, false_label_stack, caught_return_label_stack,
10265 protect_list, current_function_ehc): Add accessor macros for the
10266 corresponding fields in current_function->eh; delete declarations
10267 for all items that used to be declared here.
10268 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
10269 catch_clauses, false_label_stack, caught_return_label_stack,
10270 protect_list, current_function_ehc): Delete variables.
10271 (init_eh_for_function): Allocate current_function->eh.
10272 (save_eh_status, restore_eh_status): Delete functions.
10274 * function.h (struct function): Add fields next_global and eh.
10275 Delete all exception handling related fields.
10276 * function.c (current_function): New variable.
10277 (all_functions): New variable.
10278 (push_function_context_to): Don't allocate a struct function,
10279 use current_function instead. Call init_dummy_function_start when
10280 outside a function. Clear current_function before returning.
10281 (pop_function_context_from): Restore current_function.
10282 Don't free the restored struct function.
10283 (prepare_function_start): New function.
10284 (init_dummy_function_start): New function.
10285 (init_function_start): Break out some code into prepare_function_start
10288 * stmt.c (save_stmt_status): Don't call save_eh_status.
10289 (restore_stmt_status): Don't call restore_eh_status.
10291 * Makefile.in: Update dependencies.
10293 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
10295 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
10296 of depending on a magic constant value. Update comments.
10297 (hppa_expand_prologue): Similarly.
10299 * pa.md (reload_indi, reload_outdi): Allow any register for the
10300 original reload register.
10302 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
10304 * cccp.c (print_help): Change marcos to macros.
10306 1999-07-30 Richard Henderson <rth@cygnus.com>
10308 * c-typeck.c (initializer_constant_valid_p): Move ...
10309 * c-common.c (initializer_constant_valid_p): ... here. Use
10310 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
10311 of label addresses.
10312 * c-common.h (initializer_constant_valid_p): Declare.
10313 * c-tree.h (initializer_constant_valid_p): Remove.
10315 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
10317 * config/i386/sol2-c1.asm: Align the stack.
10318 * config/i386/sol2-gc1.asm: Likewise.
10320 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
10322 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
10323 -Asparclite for sparc86x.
10324 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
10326 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
10328 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
10330 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
10331 the user if using the non-default arch size in BI_ARCH configuration.
10332 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
10334 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
10335 Fix patterns so that they actually match.
10336 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
10337 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
10338 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
10340 (mulsidi3): Reflect this in the expand.
10341 (smulsi3_highpart): Only on TARGET_ARCH32.
10342 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
10343 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
10344 (umulsidi3): Reflect this in the expand.
10345 (umulsi3_highpart): Only on TARGET_ARCH32.
10346 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
10347 don't require g0 to be zero.
10348 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
10349 ({,u}divsi3): New expands.
10350 ({,u}divsi3_sp64): New patterns.
10351 (after lshrdi3_v8plus): Four new patterns to help combiner
10352 optimizing nested mixed mode shifts.
10354 * config/sparc/sparc.c (sparc_override_options): Use deprecated
10355 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
10356 speed things up. Don't use them by default on plain v9 in 64bit
10357 mode, according to what SPAMv9 sais.
10359 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
10360 top 32 bits of %[og][0-7] in signal handlers.
10361 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
10363 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
10365 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
10366 (ashlsi3): Corresponding changes.
10368 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
10370 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
10372 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
10374 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10376 * arm.h (Hint): Delete macro.
10377 Substitute HOST_WIDE_INT for Hint in some prototypes.
10378 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
10380 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
10382 * builtins.c (expand_builtin_setjmp): Use force_operand to
10383 make sure that the buffer address is in a suitable form to be
10384 passed to force_reg.
10386 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
10388 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
10391 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
10393 * pa.md (indirect_jump): Remove mode from match_operand. Verify
10394 proper mode in the condition string.
10395 (icacheflush, dcacheflush): Remove modes from match_operands.
10397 * pa.c (emit_move_sequence): Always convert scratch_reg to the
10398 proper mode before using it.
10400 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
10403 * pa.c (store_reg): Do not call add_high_const generator directly.
10404 (load_reg, set_reg_plus_d): Likewise.
10405 * pa.md (add_high_const): No longer a named pattern.
10407 * pa.c (legitimize_address): Consistently use Pmode rather than
10408 SImode. Do not call gen_pic2_highpart directly anymore.
10409 * pa.md (pic2_highpart): No longer a named pattern.
10410 (pic2_lo_sum): Similarly. Reformat to make more readable.
10412 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10417 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10419 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10421 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10423 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10424 and tag the spill mems.
10425 (hppa_va_start): New.
10426 (hppa_va_arg): New.
10427 * pa.h (EXPAND_BUILTIN_VA_START): New.
10428 (EXPAND_BUILTIN_VA_ARG): New.
10430 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10432 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10433 and tag the spill mems.
10434 (mn10300_va_start): New.
10435 (mn10300_va_arg): New.
10436 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10437 (EXPAND_BUILTIN_VA_ARG): New.
10439 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10441 * mn10200.c (mn10200_va_arg): New.
10442 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10444 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10446 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10447 rather than play with TREE_INT_CST_LOW.
10449 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10451 * config/arm/telf.h: Include dbxelf.h.
10452 (CPP_PREDEFINES): Only define if not already defined.
10453 (ASM_IDENTIFY_GCC): Likewise.
10454 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10455 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10456 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10458 (DBX_DEBUGGING_INFO): Don't define.
10459 * config/arm/linux-telf.h: New file.
10460 * config/arm/linux-tgas.h: New file.
10461 * config/arm/t-thumb-linux: New file.
10462 * config/arm/uclinux-elf.h: New file.
10463 * config/arm/uclinux-telf.h: New file.
10464 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10465 thumb-*-uclinux): New targets.
10466 * configure: Regenerate.
10468 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10470 * pa.md (post_store, pre_load): New expanders.
10471 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10472 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10473 need to directly generate RTL for them.
10474 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10477 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10479 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10480 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10481 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10482 (secndary_reload_class): Make TARGET_ELF conditional compile.
10483 (print_operand_address): Similar.
10484 (output_toc): Print all values as hex.
10485 (get_issue_rate): Rearrange and add RS64A and PPC630.
10486 * rs6000.h (processor_type): Add RS64A and PPC630.
10487 (PROCESSOR_POWERPC64): New.
10488 (PROMOTE_MODE): Use word_mode.
10489 (RTX_COSTS): Add RS64A and PPC630.
10490 * rs6000.md (scheduling information): Add lmul and ldiv
10491 representing 64-bit integer multiply and divide. Add rs64a and
10492 PPC630 information.
10493 (ashldi3): Add support for "rldic" instruction.
10494 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10496 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10498 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10499 instead of V8 for sparclite86x in cpu_table.
10501 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10503 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10504 output_file_directive.
10506 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10508 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10509 tree for op1, not the rtl.
10511 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10513 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10514 to m88k_va_start, leaving only the register spill.
10515 (m88k_build_va_list): New.
10516 (m88k_va_start): New.
10517 (m88k_va_arg): New.
10518 * m88k.h (BUILD_VA_LIST_TYPE): New.
10519 (EXPAND_BUILTIN_VA_START): New.
10520 (EXPAND_BUILTIN_VA_ARG): New.
10522 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10524 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10525 Rename from expand_builtin_saveregs.
10526 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10528 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
10530 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
10531 for the register spill block.
10532 (i960_build_va_list): New.
10533 (i960_va_start): New.
10534 (i960_va_arg): New.
10535 * i960.h (BUILD_VA_LIST_TYPE): New.
10536 (EXPAND_BUILTIN_VA_START): New.
10537 (EXPAND_BUILTIN_VA_ARG): New.
10538 * i960.md (store_multiple): Use change_address on individul mems.
10540 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
10542 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
10544 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
10545 (expand_builtin_va_end): Evaluate arg for side effects.
10546 * c-common.c (c_common_nodes_and_builtins): Construct a
10547 va_list_arg_type_node to handle array decomposition to pointer.
10549 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
10551 * except.c (start_dynamic_cleanup): Use force_operand on the
10554 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
10556 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
10557 * c4x.c (c4x_va_arg): New.
10559 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
10561 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
10562 has manual_pop set.
10564 1999-07-26 Nathan Sidwell <nathan@acm.org>
10566 * eh-common.h (__eh_matcher): Prototype correctly.
10568 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
10570 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
10571 (TARGET_SINGLE_PIC_BASE): Likewise.
10572 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
10574 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
10575 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
10576 (TARGET_OPTIONS): Add -mpic-register=N.
10577 (OUTPUT_INT_ADDR_CONST): New macro.
10578 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
10579 LEGITIMATE_PIC_OPERAND_P): Likewise.
10580 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
10581 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
10582 output_addr_const directly.
10583 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
10585 (thumb_pic_register, thumb_pic_register_string): Declare.
10587 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
10589 (label_mentioned_p): New function: Imported from arm.c.
10590 (legitimize_pic_address): New function: Imported from arm.c.
10591 (is_pic):New function: Imported from arm.c.
10592 (thumb_finalize_pic):New function: Imported from arm.c.
10593 (add_constant): Cope with PIC constants.
10594 (fixit): Cope with PIC constants.
10595 (output_return): Do not treat the PIC register as live if
10596 TARGET_SINGLE_PIC_BASE is true.
10597 (thumb_function_prologue): Do not treat the PIC register as live if
10598 TARGET_SINGLE_PIC_BASE is true.
10599 (thumb_expand_prologue): Do not treat the PIC register as live if
10600 TARGET_SINGLE_PIC_BASE is true.
10601 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
10602 TARGET_SINGLE_PIC_BASE is true.
10603 (thumb_print_operand): Accept '|'.
10604 (thumb_override_options): Process PIC options.
10606 * config/arm/thumb.md (movsi): Support PIC.
10607 (call_insn): Change "i" constraint to "X".
10608 (call_value_insn): Likewise.
10609 (consttable_4, consttable_8, consttable_end): Set and clear
10610 "making_const_table" as appropriate.
10611 (pic_load_addr, pic_add_dot_plus_four): New insns.
10613 * invoke.texi (Thumb Options): Fix spelling. Document new
10614 options -msingle-pic-base and -mpic-register=.
10616 1999-07-26 Andrew Haley <aph@cygnus.com>
10618 * config/m32r/initfini.c (__init): Use a full word immediate for
10619 __fini: this allows it to be placed in any memory region.
10621 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
10622 -mmodel=medium. This is OK for all memory models.
10624 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
10626 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
10627 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
10629 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
10631 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
10634 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
10636 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
10638 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
10639 (BUILD_VA_LIST_TYPE): New.
10640 (EXPAND_BUILTIN_VA_START): New.
10641 (EXPAND_BUILTIN_VA_ARG): New.
10642 * i860.c (output_delayed_branch): Disable.
10643 (output_delay_insn): Likewise.
10644 (i860_saveregs): New.
10645 (i860_build_va_list): New.
10646 (i860_va_start): New.
10647 (i860_va_arg): New.
10648 * i860.md: Disable all peepholes using output_delayed_branch.
10649 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
10651 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
10653 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
10654 (BUILD_VA_LIST_TYPE): New.
10655 (EXPAND_BUILTIN_VA_START): New.
10656 (EXPAND_BUILTIN_VA_ARG): New.
10657 * clipper.c (clipper_builtin_saveregs): Only dump registers.
10658 Return the address of the save area.
10659 (clipper_build_va_list): New.
10660 (clipper_va_start): New.
10661 (clipper_va_arg): New.
10663 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
10665 * arc.h (EXPAND_BUILTIN_VA_START): New.
10666 (EXPAND_BUILTIN_VA_ARG): New.
10667 * arc.c (arc_setup_incoming_varargs): Set alias set of
10669 (arc_va_start): New.
10672 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
10674 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
10675 (BUILD_VA_LIST_TYPE): New.
10676 (EXPAND_BUILTIN_VA_START): New.
10677 (EXPAND_BUILTIN_VA_ARG): New.
10678 * alpha.c (alpha_builtin_saveregs): Delete.
10679 (alpha_build_va_list): New.
10680 (alpha_va_start): New.
10681 (alpha_va_arg): New.
10683 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
10685 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
10687 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
10688 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
10690 * gcc.texi: More changes related to list conversion.
10691 * invoke.texi: Likewise.
10693 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
10695 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
10696 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
10697 (expand_builtin_next_arg): Accept ARGLIST not EXP.
10698 (stabilize_va_list): New function.
10699 (std_expand_builtin_va_start): New function.
10700 (expand_builtin_va_start): New function.
10701 (get_varargs_alias_set): New function.
10702 (std_expand_builtin_va_arg): New function.
10703 (expand_builtin_va_arg): New function.
10704 (expand_builtin_va_end): New function.
10705 (expand_builtin_va_copy): New function.
10706 (expand_builtin): Call them.
10707 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
10708 __builtin_{varargs_start,stdarg_start,end,copy}.
10709 (build_va_arg): New function.
10710 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
10711 (build_va_arg): Declare.
10712 * c-decl.c (ptr_type_node, va_list_type_node): New.
10713 * c-parse.gperf (__builtin_va_arg): New.
10714 * c-parse.in (VA_ARG): New token.
10715 (unary_expr): Recognize it.
10716 * expr.c (expand_expr): Expand VA_ARG_EXPR.
10717 * expr.h (std_expand_builtin_va_start): Declare.
10718 (std_expand_builtin_va_arg): Declare.
10719 (expand_builtin_va_arg): Declare.
10720 (get_varargs_alias_set): Declare.
10721 * tree.def (VA_ARG_EXPR): New.
10722 * tree.h (BUILT_IN_VARARGS_START): New.
10723 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
10724 (ptr_type_node, va_list_type_node): Declare.
10725 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
10726 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
10727 * m88k.h, m88k.c: Likewise.
10728 * mn10300.h, mn10300.c: Likewise.
10729 * pa.h, pa.c: Likewise.
10730 * rs6000.h, rs6000.c: Likewise.
10731 * sh.h, sh.c: Likewise.
10732 * sparc.h, sparc.c: Likewise.
10734 * emit-rtl.c (operand_subword): Copy alias set.
10735 (change_address): Likewise.
10737 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
10739 * pa.c (compute_frame_size): Scan all the used callee saved registers,
10740 not just the first one.
10742 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
10744 * config/arm/arm.h (TARGET_SWITCHES): Add
10745 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
10746 (TARGET_OPTIONS): Add -mpic-register=.
10747 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
10748 (arm_pic_register_string): Declare.
10749 (NEED_PLT_GOT): Delete, replace with ...
10750 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
10751 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
10752 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
10753 * config/arm/arm.c (arm_override_options): Add new option
10755 (arm_pic_register_string): New variable.
10756 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
10757 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
10758 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
10759 (output_return_instruction): Likewise.
10760 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
10761 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
10762 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
10764 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
10765 mention of -msched-prolog. Document new options -msingle-pic-base
10766 and -mpic-register=.
10768 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
10770 * haifa-sched.c (reemit_notes): Tidy.
10771 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
10774 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
10776 * explow.c (trunc_int_for_mode): New function.
10777 (plus_constant_wide): Use it.
10778 * combine.c (simplify_and_const_int): Likewise.
10779 (merge_outer_ops): Likewise.
10780 (simplify_shift_const): Likewise.
10781 * cse.c (simplify_unary_operation): Likewise.
10782 (simplify_binary_operation): Likewise.
10783 * emit-rtl.c (operand_subword): Likewise.
10784 * rtl.h: Declare it.
10786 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10788 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
10789 (use NUM_REGS instead of NUM_INTS).
10791 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10793 * builtins.c: New file.
10794 * expr.c (saveregs_value, apply_args_value): Delete definition,
10795 moved into builtins.c.
10796 (string_constant): No longer static.
10797 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
10798 apply_args_size, apply_result_size, result_vector,
10799 expand_builtin_apply_args, expand_builtin_apply,
10800 expand_builtin_return): Delete functions, moved into builtins.c.
10801 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
10802 * expr.h (saveregs_value, apply_args_value): Declare variables.
10803 (expand_builtin, string_constant): Declare functions.
10804 * Makefile.in: Update to build builtin.o.
10806 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10808 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
10809 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
10810 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
10811 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
10813 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
10816 1999-07-21 Michael Meissner <meissner@cygnus.com>
10818 * print-rtl.c (print_rtx): Print the names of the virtual
10821 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
10823 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
10824 introduced in previous delta.
10826 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10828 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
10829 to avoid name clash.
10831 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
10833 * c-lex.c (yylex) : Correct the test for overflow when lexing
10836 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
10838 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
10839 (adjust_priority): Always call ADJUST_PRIORITY.
10840 (schedule_insn): Only put insns into the ready at cost 0.
10841 (schedule_block): Remove redundant initial sort. Give clock_var
10842 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
10844 * tm.texi (MD_SCHED_REORDER): Update docs.
10846 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
10847 * sparc.c (ultra_reorder_called_this_block): Delete.
10848 (ultrasparc_sched_init): Don't set it.
10849 (ultrasparc_sched_reorder): Don't check it.
10851 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
10853 * rs6000.h (struct rs6000_args): Add sysv_gregno.
10854 * rs6000.c (init_cumulative_args): Init sysv_gregno.
10855 (function_arg_boundary): Align DFmode.
10856 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
10857 to get fp reg and stack overflow correct.
10858 (function_arg): Likewise.
10859 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
10860 (setup_incoming_varargs): Restructure for ABI_V4; use
10861 function_arg_advance to skip final named argument.
10862 (expand_builtin_saveregs): Properly unskip the last integer arg
10863 when doing varargs. Adjust overflow location calculation.
10865 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
10866 explicitly unsigned.
10867 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
10868 (__VA_GP_REGSAVE): Similarly.
10869 (__va_longlong_p): Delete.
10870 (__va_arg_type_violation): New declaration.
10871 (va_arg): Restructure. Flag promotion errors. Align double.
10872 TFmode passed by reference.
10874 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
10875 in the HOST_BITS_PER_WIDE_INT > 32 case.
10877 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
10879 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
10881 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
10883 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
10884 * toplev.c (documented_lang_options): Add -fpreprocessed.
10885 * cpplib.h (struct cpp_buffer): Add preprocessed.
10886 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
10887 (cpp_start_read): Don't expand macros or emit an initial #line
10888 directive if -fpreprocessed.
10890 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10892 * cpplib.h (struct cpp_buffer): Added manual_pop for
10893 better C++ tokenization.
10894 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
10895 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
10896 * c-common.c (cpp_token): Make non-static.
10898 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10900 * c-common.h: New file.
10901 * c-common.c (permanent_obstack): Delete unused declaration.
10902 (c_global_trees): New array.
10903 (c_common_nodes_and_builtins): New function; split off common code
10904 from init_decl_processing in both c-decl.c and cp/decl.c.
10905 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
10906 c_global_trees and accessor macros defined in c-common.h.
10907 Include c-common.h.
10908 * c-decl.c: Delete definitions for tree nodes that were replaced by
10910 (init_decl_processing): Build void_list_node.
10911 Call c_common_nodes_and_builtins; delete code to generate the common
10913 * objc/objc-act.c (build_module_descriptor): Rename variable
10914 void_list_node to avoid clash with c-common.h.
10916 * Makefile.in: Update dependencies.
10917 * objc/Make-lang.in: Likewise.
10919 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
10921 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
10922 (UNIQUE_SECTION_P): Likewise.
10923 (UNIQUE_SECTION): Likewise.
10925 1999-07-19 Linas Vepstas <linas@linas.org>
10927 * config/i370/README: New file.
10928 * config/i370/linux.h: New file.
10929 * config/i370/mvs.h: New file.
10930 * config/i370/oe.h: New file.
10931 * config/i370/t-linux: New file.
10932 * config/i370/t-mvs: New file.
10933 * config/i370/t-oe: New file.
10934 * config/i370/x-oe: New file.
10935 * config/i370/xm-linux.h: New file.
10936 * config/i370/xm-mvs.h: New file.
10937 * config/i370/xm-oe.h: New file.
10939 * i370.c (label_node_t): Add first_ref_page, label_addr,
10940 label_first_ref, label_last_ref members.
10941 (mvs_need_base_reload): Renamed from mvs_label_emitted.
10942 (MAX_MVS_LABEL_SIZE): Define.
10943 (MAX_LONG_LABEL_SIZE): Define.
10944 (alias_node_t, alias_anchor, alias_number): New.
10945 (mvs_function_table): Reorder for EBCDIC.
10946 (ascebc, ebcasc): Unconditionally define.
10947 (i370_branch_dest, i370_branch_length): New functions.
10948 (i370_short_branch, i370_label_scan): New functions.
10949 (mvs_get_label): Renamed from mvs_add_label. Search for
10950 an existing label before creating a new one.
10951 (mvs_add_label): New function.
10952 (mvs_get_label_page): New function.
10953 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
10954 over the entire list.
10955 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
10956 (mvs_check_page) [TARGET_ELF_ABI]: New function.
10957 (mvs_add_alias, mvs_need_alias): New functions.
10958 (mvs_get_alias, mvs_check_alias): New functions.
10959 (handle_pragma): New function.
10960 (mvs_function_check): New function.
10961 (unsigned_jump_follows_p): Search harder.
10962 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
10963 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
10964 * i370.h (TARGET_VERSION): Delete.
10965 (CPP_SPEC, CPP_PREDEFINES): Delete.
10966 (mvs_label_emitted): Delete.
10967 (TARGET_EBCDIC): Delete.
10968 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
10969 (HANDLE_PRAGMA): Define.
10970 (HARD_REGNO_NREGS): Handle complex modes.
10971 (HARD_REGNO_MODE_OK): Likewise.
10972 (CLASS_MAX_NREGS): Likewise.
10973 (RET_REG): Likewise.
10974 (EXTRA_CONSTRAINT): Define.
10975 (RETURN_IN_MEMORY): True for DImode.
10976 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
10977 (FUNCTION_PROFILER): Delete.
10978 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
10979 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
10980 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
10981 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
10982 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
10983 (ASM_FILE_START): Add "RMODE ANY".
10984 (ASM_OUTPUT_EXTERNAL): Check for aliases.
10985 (ASM_GLOBALIZE_LABEL): Likewise.
10986 (ASM_OUTPUT_LABELREF): Likewise.
10987 (ASM_OUTPUT_COMMON): Likewise.
10988 (PRINT_OPERAND): Handle 'K', 'W', default.
10989 (PRINT_OPERAND_ADDRESS): New.
10990 (Lots of defines): Add support for TARGET_ELF_ABI.
10991 * i370.md (attr length): New. Define for all patterns.
10992 (*): Lots of tweeks to assembly output and constraints.
10994 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
10996 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
10997 Disable patterns performing SImode comparisons with SImode values
10998 if TARGET_POWERPC64 and instruction does not sign-extend or does
10999 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
11000 differ for signed quantities.
11001 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
11002 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
11003 (decrement_and_branch_on_count): Add 64-bit variant.
11005 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11007 * final.c (output_asm_insn): When searching for the matching string
11008 for a given dialect, don't run past the end of the list of
11009 alternatives if there are fewer alternatives in the template than
11012 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
11014 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
11015 Removed paragraph about compression of files and size limitation,
11016 duplicated in the FAQ. Use gcc-patches for posting patches.
11017 * gcc.c (main): Updated URL with bug reporting instructions to
11018 gcc.gnu.org. Removed e-mail address.
11019 * system.h (abort): Likewise.
11021 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11023 * Makefile.in (stmp-multilib-sub): Make the files extracted
11024 from $(LIBGCC1) writable.
11026 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
11028 * config/arm/aout.h: Reformat for improved readability.
11030 * config/arm/arm.h: Reformat for improved readability.
11031 Replace uses of fprintf with asm_fprintf where appropriate.
11032 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
11033 function declaration assembler actions.
11034 (NUM_INTS): New macro: Convert from bytes to words.
11035 (NUM_REGS): New macro: Compute number of registers required to
11036 hold a quanitity of tyep MODE.
11037 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
11039 (NUM_ARG_REGS): New macro: The number of argument registers
11041 (ARG_REGISTER): New macro: Compute the register number of the Nth
11043 (LAST_ARG_REGNUM): New macro: The number of the last argument
11045 (SP_REGNUM): New macro: Register number of the stack pointer.
11046 (FP_REGNUM): New macro: Register number of the frame pointer.
11047 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
11048 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
11049 CUMULATIVE_ARGS so that it counts registers not bytes.
11051 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
11053 Replace uses of fprintf with asm_fprintf where appropriate.
11054 (output_ascii_pseudo_op): Replace with version from thumb.c
11056 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
11058 * config/arm/elf.h (CPP_PREDEFINES): Replace with
11059 SUBTARGET_CPP_SPEC.
11060 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
11061 (ASM_FILE_START): Emit ASM_APP_OFF.
11063 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
11065 * pa.c (compute_frame_size): Round frame according to
11066 STACK_BOUNDARY rather than a hardwired value.
11068 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
11070 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
11072 * configure: Rebuilt.
11074 * configure.in (hppa*-*-linux*): New configuration.
11075 * configure: Rebuilt.
11076 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
11077 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
11078 * pa/pa-linux.h: New file.
11079 * pa/t-linux: New file.
11080 * pa/xm-linux.h: New file.
11082 * pa.c (hppa_legitimize_address): Change references from SImode to
11083 either Pmode or word_mode as appropriate.
11084 (emit_move_sequence, store_reg, load_reg): Likewise.
11085 (set_reg_plus_d, hppa_expand_prologue): Likewise.
11086 (output_mul_insn): Likewise.
11087 * pa.h (PROMOTE_MODE): Likewise.
11088 (INITIALZE_TRAMPOLINE): Likewise.
11089 (Pmode): Define to word_mode.
11091 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
11092 value of 4. Allocate 8 bytes for each FP register save.
11093 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
11095 (hppa_expand_prologue): Likewise.
11096 * pa.h (PROMOTE_MODE): Likewise.
11097 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
11098 (FUNCTION_ARG_BOUNDARY): Likewise.
11100 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
11102 * pa.c (out_of_line_prologue_epilogue): Delete.
11103 (override_options): Remove -mspace related code.
11104 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11105 (compute_frame_size): Only allocate space for register that
11106 actually need to be saved.
11107 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
11108 (TARGET_SWITCHES): Remove -mspace, -mno-space
11109 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
11110 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
11111 * pa/ee.asm, pa/ee_fp.asm: Delete.
11113 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
11115 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
11116 directive in column zero.
11118 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
11120 * m68k.c (output_function_prologue): Fix computation of save mask
11121 when generating PIC code.
11123 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
11125 * tree.c (build_type_attribute_variant): Move current_obstack restore
11126 after build_qualified_type call.
11128 1999-07-15 Mark Mitchell <mark@codesourcery.com>
11130 * configure.in: Use t-iris6, even with GNU LD.
11131 * config/mips/iris6gld.h: Fix typo in linker spec.
11132 * config/mips/t-iris6gld: Remove.
11134 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
11136 * rs6000.md (insv, extzv): Remove SImode dependence in named
11137 patterns. Explicitly generate DImode RTL if PowerPC64 and
11139 (insvdi): Reverse start and size in instruction template.
11141 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
11143 * invoke.texi: Typo fixes.
11145 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
11147 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
11148 handle at this time instead of silently generating incorrect code.
11149 (gen_imagpart): Likewise.
11151 * reload.c (find_reloads): Emit a USE for a pseudo register without
11152 a hard register if we could not create an optional reload for the
11155 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11157 * c-typeck.c (output_init_element, process_init_element):
11158 When advancing constructor_unfilled_fields for a RECORD_TYPE,
11159 check for nameless bit fields.
11161 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
11163 * regclass.c (scan_one_insn): Notice subregs that change the
11164 size of their operand.
11165 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
11167 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
11169 * configure.in (alpha*-*-*): Include alpha/t-ieee.
11170 * configure: Rebuilt.
11171 * alpha/t-ieee: New file.
11173 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
11175 * rs6000.c (find_addr_reg): Do not select r0 as an address
11178 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
11180 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
11182 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
11184 * rs6000.md (movsf): Do not force easy FP constants into memory.
11186 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
11187 immed_double_const to ensure they are properly truncated then
11190 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11192 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
11193 always unless NO_DEBUG is used. Compile this code
11195 (replace_symbols_in_block): Compile it unconditionally.
11197 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
11199 * configure.in (i?86-*-elf*): New target.
11200 * configure: Rebuilt.
11201 * i386/i386elf.h, i386/t-i386elf: New files.
11203 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11205 * toplev.c (main): Don't complain about saying -gdwarf.
11206 (rest_of_compilation): Remove redundant code.
11208 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
11210 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
11212 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
11214 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
11215 "Li960R:", to avoid name clash.
11217 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11219 * loop.c (check_dbra_loop): When reversing a loop, delete all
11220 REG_EQUAL notes referencing the reversed biv except those which are
11221 for a giv based on it.
11223 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
11225 * version.c: Drop "gcc-" prefix from version #.
11227 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
11229 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
11230 the label if we're being verbose.
11232 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
11234 * m68k.c (output_function_prologue): Add pic register to mask
11235 if live and flag_pic.
11236 (output_function_epilogue): Likewise.
11238 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
11240 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
11241 directives in column zero.
11243 * pa/elf.h (ASM_FILE_START): Define.
11244 * pa/som.h (ASM_FILE_START): Include .level directives.
11245 * pa/hpux10.h (ASM_FILE_START): Delete.
11246 * pa/hpux11.h (ASM_FILE_START): Delete.
11248 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
11250 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11252 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
11253 when reload_out equals reload_in.
11255 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
11257 * invoke.texi (Spec Files): New node: Describe the contents of
11260 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
11262 * invoke.texi (DEC Alpha Options): Put @end table at
11263 beginning of line, to avoid confusing texi2html.
11265 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
11267 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
11268 introduced in previous delta.
11270 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11272 * reload1.c (gen_reload): When synthesizing a 3 operand add
11273 sequence, improve test for when to reload OP1 into the reload
11274 register instead of OP0.
11276 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
11278 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
11280 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
11282 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
11285 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
11287 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
11288 (va_dcl): Use __builtin_va_alist_t.
11290 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
11292 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
11293 on the permanent_obstack.
11294 * dwarfout.c (output_type): Likewise.
11296 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
11298 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11299 Merged from c-typeck.c and cp/typeck.c.
11300 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11301 Merged into c-common.
11303 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
11305 * c-lex.c (errorcount): Declare it.
11306 (finish_parse): Update errorcount when using CPPLIB.
11308 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
11310 * fixinc/inclhack.def(end_else_label): Double the backslash so
11311 sed gets a chance to see it.
11312 * fixinc/inclhack.sh: regen
11313 * fixinc/fixincl.x: regen
11315 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
11317 Add framework to support armv5 architecture when it becomes
11320 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
11321 (arm_arch5): New variable.
11322 (all_architectures): Add armv5 line.
11323 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
11324 -march=armv5 is specified on the command line.
11325 (arm_arch5): Export this variable.
11326 * invoke.texi: Document new string accepted by -march= switch for
11329 * config/arm/arm.h: Replace use of constant 12 as a register
11330 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11331 * config/arm/arm.c: Replace use of constant 12 as a register
11332 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11334 * config/arm/elf.h: Tidy up.
11335 * config/arm/coff.h: Tidy up.
11337 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
11339 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
11340 * gcc/config/mips/t-iris6gld: New file.
11341 * gcc/config/mips/iris6gld.h: Likewise.
11343 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
11345 * c-decl.c (widest_integer_literal_type_node,
11346 widest_unsigned_literal_type) : New.
11347 (init_decl_processing): Handle/use the two new types.
11348 * c-common.c (type_for_size,type_for_mode) : Same.
11349 * c-lex.c (yylex) : Same.
11350 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11352 * c-tree.h (widest_integer_literal_type_node,
11353 widest_unsigned_literal_type) : New.
11355 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
11357 * dwarfout.c (field_byte_offset): Correctly compute the object's
11358 byte offset for the first bit of a field which crosses an alignment
11359 boundary on a !BYTES_BIG_ENDIAN target.
11361 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
11363 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
11366 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
11367 Jeff Law <law@cygnus.com>
11369 * ginclude/varargs.h (va_dcl): Use word_mode for type of
11372 * except.c: Include intl.h.
11373 (expand_eh_return): Set current_function_cannot_inline.
11374 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
11375 * function.h (struct function): Add eh_return_stub_label.
11376 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
11377 * Makefile.in (except.o): Depend on intl.h.
11379 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
11381 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
11382 same as offsettable in cases 1 and 2.
11384 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
11386 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
11387 (extlh, extwh): Likewise.
11389 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
11391 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
11393 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
11395 * configure.in: Add arm-pe and thumb-pe targets.
11396 * configure: Regenerate.
11398 * thumb.c (arm_naked_function_p): New function: Determines if
11399 a function is naked (has no gcc generated prologue/epilogue).
11400 (is_called_in_ARM_mode): Return true if the func has the
11401 interfacearm attribute.
11402 (output_return): Do not generate a return for naked functions.
11403 (thumb_function_prologue): Do not generate a prologue for
11405 (thumb_expand_prologue): Do not generate a prologue for naked
11407 (thumb_expand_epilogue): Do not generate an epilogue for naked
11409 (arm_valid_machine_decl_attribute): New function, copied from
11410 arm.c: Permit naked and interfacearm attributes.
11412 * config/arm/pe.c: New file: Support code for arm-pe target.
11413 * config/arm/pe.h: New file: Header file for arm-pe target.
11414 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11415 * config/arm/t-thumb-pe: New file: Makefile fragment for
11418 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11420 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11421 -fPIC or -fpic is specified.
11423 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11425 * expr.c (emit_block_move): Use copy_to_mode_reg for
11426 !TARGET_MEM_FUNCTIONS case too.
11428 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11430 * configure: Rebuilt.
11431 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11432 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11433 definitions made redundant by dbxelf.h inclusion. Delete
11434 lots of definitions related to assembly output that are
11435 specific to the SOM object format.
11436 * pa.c (output_function_prologue): Do not emit the function's
11438 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11439 * pa-pro.h: Deleted.
11440 * som.h: New file with SOM specific definitions.
11441 * elf.h: New file with ELF specific definitions.
11443 * elfos.h (const_section): Output a tab before assembler directives.
11444 (ctors_section, dtors_section): Likewise.
11445 (ASM_OUTPUT_SECTION_NAME): Likewise.
11447 * pa/pa1.h: Delete unused file.
11449 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11451 * configure.in (hppa*-hp-hpux11*): New configuration.
11452 * configure: Rebuilt.
11453 * pa/pa-hpux11.h: New file.
11454 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11457 * mips.md (leasi, leadi): New patterns.
11459 * expr.c (emit_block_move): Properly handle case where one of the
11460 block move arguments has a queued increment or decrement.
11461 (clear_storage): Similarly. Fix formatting goof.
11463 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11465 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11466 semicolon from the BSD VA_LIST replacement expression.
11468 * fixinc/inclhack.sh: regen
11469 * fixinc/fixincl.x: regen
11471 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11472 now use the fixincl program.
11474 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11476 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11477 case. Also make the PIC register call_used.
11479 * m68k.h (FINALIZE_PIC): Delete.
11480 * m68k.c (finalize_pic): Delete.
11482 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11484 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11487 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11489 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11491 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11493 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11495 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11497 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11499 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11501 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11503 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11505 * rs6000.c (output_toc): Always use hex values for floating-point
11506 constants. Store single-precision values in upper-half of TOC
11507 entry in 64-bit mode.
11508 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11509 to final constraints.
11510 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11511 (fctiwz): Improve accuracy of RTL for pattern.
11513 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11515 * expr.c (expand_expr): Allow RTL_EXPR's through the
11516 MAX_INTEGER_COMPUTATION_MODE checks.
11518 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11520 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11521 such that MASK_SUPPORT_ARCH is not negative.
11523 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11525 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11526 ADDR_DIFF_VEC insns that appear inside loops.
11528 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
11529 Jeff Law <law@cygnus.com>
11531 * rs6000.md (movdf_hardfloat32): Revert previous patch.
11532 Handle LO_SUM the same as offsettable in cases 1 and 2.
11533 * rs6000.c (find_addr_reg): Revert previous patch.
11535 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
11537 * system.h (strstr): New external function declaration.
11538 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
11539 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
11540 * config.in, configure: Rebuilt.
11542 1999-06-24 Tom Tromey <tromey@cygnus.com>
11544 * gcc.c (main): Read user-specified specs files after computing
11545 additional startfile_prefixes.
11547 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
11549 Revert these two patches:
11551 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11552 * loop.c (strength_reduce): When doing biv->giv conversion, update
11553 reg note of NEXT->insn.
11555 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11556 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11558 (recombine_givs): Set ix field after sorting.
11560 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11562 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
11563 for the parts of an UNSPEC / UNSPEC_VOLATILE.
11565 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
11567 *fixinc/inclhack.def: Add fix development commentary
11568 (read_ret_type): reactivate and add selection clause
11569 (zzz_*): tweak output file name to match what is used in hackshell.tpl
11570 *fixinc/{fixincl.x|inclhack.sh}: regen
11572 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
11574 * expr.c (expand_expr): STRIP_NOPS before checking against
11575 MAX_INTEGER_COMPUTATION_MODE
11576 (check_max_integer_computation_mode): Likewise.
11578 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
11580 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
11582 1999-06-22 Jim Wilson <wilson@cygnus.com>
11584 * expr.c (store_expr): When target is a promoted subreg, return a
11585 promoted subreg as a result.
11587 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
11589 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
11591 (dwarf2out_define): Mark unused parameters appropriately.
11592 (gen_unspecified_parameters_die): Ditto.
11593 (gen_subprogram_die): Fix signed/unsigned warnings.
11594 (gen_variable_die): Ditto.
11596 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
11598 * fixinc/inclhack.def(end_else_label): combined else_label
11599 and endif_label and fixed the sed expression.
11600 *fixinc/{fixincl.x|inclhack.sh}: regen
11602 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
11604 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
11605 'x' when handling non-offsettable addresses
11607 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
11609 * final.c (shorten_branches): Don't try to split an insn that has
11612 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
11614 * config/mips/mips.c (symbolic_expression_p): New function.
11615 (mips_select_rtx_section): Put symbolic expressions in the
11616 data section, not the read-only data section.
11618 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
11620 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
11622 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
11624 * collect2.c (main): Log frame table count.
11625 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
11626 (scan_prog_file) [COFF]: Handle frame tables.
11628 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
11629 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
11630 * alpha/elf.h: Undef them again.
11631 * alpha/vms.h: Remove their definitions.
11633 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11635 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
11636 remove the clobber of r0 and change the REG_UNUSED note to
11639 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
11641 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
11642 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
11643 fits in HOST_WIDE_INT and one uses union to access a long constant
11646 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
11648 * sparc.c (sparc_override_options): Don't allow profiling for
11649 code models other than medlow.
11650 (sparc_function_profiler): New function from old FUNCTION_PROFILER
11651 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
11652 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
11653 (sparc_block_profiler): Likewise.
11654 (sparc_function_block_profiler_exit): Likewise.
11655 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
11656 (FUNCTION_BLOCK_PROFILER): Likewise.
11657 (BLOCK_PROFILER): Likewise.
11658 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
11659 (MCOUNT_FUNCTION): New.
11660 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
11661 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
11662 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
11663 (MCOUNT_FUNCTION): New.
11664 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
11665 (BLOCK_PROFILER): Delete.
11666 (MCOUNT_FUNCTION): New.
11668 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
11670 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
11672 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11674 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11677 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11680 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11683 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11686 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
11688 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
11691 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
11693 * i386/djgpp.h (LIB_SPEC): New.
11694 (STARTFILE_SPEC): New.
11696 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
11698 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
11700 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
11703 * system.h (WSTOPSIG): New macro.
11705 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
11707 * c-pragma.c (push_alignment): Don't ignore alignments greater than
11709 (insert_pack_attributes): Take into account member natural
11712 * i386/winnt.c (exports_head): New static variable.
11713 (i386_pe_record_exported_symbol): New function.
11714 (i386_pe_asm_file_end): Use.
11715 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
11716 symbols to be emitted at end of assembly.
11717 (ASM_DECLARE_OBJECT_NAME): Likewise.
11718 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11720 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
11723 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
11725 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
11728 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
11730 * haifa-sched.c (sched_analyze_1): Use free_list instead of
11731 zapping reg_last_uses directly.
11732 (sched_analyze_2, sched_analyze_insn): Likewise.
11733 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
11735 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
11737 * rs6000.md (movdf_hardfloat32): Use worst case insn length
11738 attributes for cases 1 and 2.
11740 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
11742 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
11745 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
11747 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
11749 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
11751 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
11752 PIC_OFFSET_TABLE_REGNUM for general alloaction.
11753 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
11754 must be stacked if it is used for PIC accesses.
11755 * arm.c (use_return_insn): Handle PIC register specially.
11756 (output_return_instruction): Likewise.
11757 (output_func_{prologue,epilogue}): Likewise.
11758 (output_expand_prologue): Likewise.
11760 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
11761 (*strsi_predec): Renamed from *strqi_predec.
11762 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
11763 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
11765 * arm.c (arm_override_options): Remove warning about PIC code
11766 not being supported.
11768 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
11770 * rs6000.c (find_addr_reg): New function.
11771 * rs6000.h (find_addr_reg): Declare.
11772 (offsettable_addr_operand): Delete.
11773 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
11774 from and stores to GPRs.
11776 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
11778 * alpha.c (alpha_expand_block_move): Use get_insns rather than
11779 gen_sequence as argument to emit_no_conflict_block.
11781 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11783 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
11784 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
11785 *fixinc/fixincl.x: regen
11786 *fixinc/inclhack.sh: regen
11788 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
11790 * added support for -mpcrel (PC relative addressing for m68k)
11791 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
11792 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
11793 * m68k.c (print_operand_address): Handle 32-bit PIC case.
11794 (comments for general_src_operand): Add some explanation
11795 about EXTRA_CONSTRAINTS.
11796 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
11797 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
11798 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
11799 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
11800 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
11801 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
11802 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
11803 if not already set.
11804 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
11805 * m68k.h (TARGET_PCREL): New target flag.
11806 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
11807 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
11808 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
11809 contains a SYMBOL_REF. Relax this constraint during reload, since
11810 we want to use the predicates, not reload's built-in concept of a
11811 valid memory address, to control what insns need reloading.
11812 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
11813 operands (essentially 'g', 'm', and 's' under normal circumstances).
11814 * m68k.c (print_operand): Cause printing of pc-relative addresses
11815 to include pc register.
11816 (print_operand_address): Ditto.
11817 (general_src_operand): Accept operands that are not only
11818 general_operands, but are also valid when used as a pc-relative
11820 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
11821 (memory_src_operand): Similar, for memory_operands.
11822 (pcrel_address): New predicate to accept the special case of a
11823 pc-relative address.
11824 * m68k.md (many patterns): Rewrite common SImode, HImode, and
11825 QImode insns to accept *_src_operand instead of *_operand where
11826 pc-relative operands can fit. For example, a pc-relative operand
11827 can be used as a memory source operand for addsi3, but not as a
11828 memory destination.
11829 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
11831 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
11833 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
11834 .thumb_set pseudo op to mark aliases of thumb functions.
11836 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
11838 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
11839 preference to ASM_OUTPUT_DEF, if it is defined.
11841 * tm.texi: Document new, optional target macro
11842 ASM_OUTPUT_DEF_FROM_DECLS.
11844 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11846 * fixincludes: ISCNTL patch
11847 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
11848 (dgux_int_varargs): new for DG/UX
11849 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
11851 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
11853 * invoke.texi (ia32 options): Fix typo.
11855 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11857 * loop.c (strength_reduce): When doing biv->giv conversion, update
11858 reg note of NEXT->insn.
11860 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
11862 * loop.c (move_movables): Note issues with replacing REGs with
11864 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
11866 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
11868 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
11870 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
11871 the reference to `mcount' was not correct for the ELF on FreeBSD.
11873 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11875 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11878 (recombine_givs): Set ix field after sorting.
11880 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
11882 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
11883 to safe to extract a subword out of a REG.
11885 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11887 * sh.md (mulsi3): Don't add a no-op move at the end.
11889 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11891 * cse.c (cse_insn): Don't put hard register source into tables for
11892 the last insn of a libcall.
11894 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11896 * loop.c (strength_reduce): Insert sets of derived givs at every
11897 biv increment, even if it's the only one.
11899 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11901 * dwarfout.c (add_incomplete_type): New fn.
11902 (output_type): Call it.
11903 (retry_incomplete_types): New fn.
11904 (dwarfout_finish): Call it.
11906 From Eric Raskin <ehr@listworks.com>:
11907 (output_type): Output types for bases.
11909 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11911 * mips.c (mips_output_conditional_branch): Add `break'
11912 between `default' label and `close braces'.
11914 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
11916 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
11917 specifications and make it realistic.
11918 (LIB_SPEC): Likewise.
11920 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
11922 * config/mips/mips.c (mips_secondary_reload_class): Check for
11923 (PLUS (SP) (REG)) and return appropriate register class.
11924 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
11925 Handle (PLUS (SP) (REG)).
11926 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
11927 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
11928 of emit_insn for tablejump.
11930 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
11932 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
11933 asm_fprintf format string by itself.
11934 (output_function_profiler): Likewise.
11936 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
11938 * combine.c (simplify_logical, case AND): Only call
11939 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
11940 or the constant is positive.
11942 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
11944 * configure.in: Fix typo in rs6000-ibm-aix4 case.
11945 * configure: Regenerate.
11947 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
11949 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
11950 require a sub-version #.
11951 * configure: Rebuilt.
11953 1999-06-14 Robert Lipe (robertlipe@usa.net)
11955 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
11957 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
11959 * c-typeck.c (process_init_element): Detect excess elements in
11960 char array initializer.
11962 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11964 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
11966 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11968 * invoke.texi (Option Summary): Add -fpermissive flag.
11970 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
11972 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
11973 that require PIC code sequences.
11975 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
11977 * configure.in: Add new target: thumb-elf.
11978 * configure: Regenerate.
11979 * config/arm/t-thumb-elf: New file: Makefile fragment for
11981 * config/arm/telf.h: New file: Header file for thumb-elf
11984 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
11986 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
11987 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
11988 initializers is some circumstances.
11990 * fixinc/inclhack.def (endif_label): Add additional selector for
11991 more bogus stuff after #endif statements.
11992 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11994 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
11996 * i386/cygwin.h (SET_ASM_OP): Define.
11998 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
12000 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
12002 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12004 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
12007 * sh.md (ic_invalidate_line_i): Remove second alternative.
12009 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12011 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
12012 test for the presence of valid prototypes. Delete bypass expr.
12013 (ioctl_fix_ctrl): Correct the selection expression.
12014 (no_double_slash): Correct quoting rules
12015 *fixinc/fixincl.x: regen
12016 *fixinc/inclhack.sh: regen
12018 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
12020 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
12022 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12024 * rs6000.md (movsi_got_internal_mem): Delete.
12025 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
12026 (GOT_TOC_REGNUM): Delete.
12027 (PIC_OFFSET_TABLE_REGNUM): Define.
12028 (FINALIZE_PIC): Disable.
12029 * rs6000.c (rs6000_got_register): New code for fixed pic register.
12030 (rs6000_replace_regno): Delete.
12031 (rs6000_finalize_pic): Likewise.
12032 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
12034 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12036 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
12037 is a note; use <= for the compare; advance P while it is
12040 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
12042 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
12043 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
12045 * varasm.c (remove_from_pending_weak_list): Verify t->name
12046 is non-NULL before passing it to strcmp.
12048 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12050 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
12051 the typed arguments are not part of a comment
12052 (ioctl_fix_ctrl): Added a purpose comment
12053 *fixinc/fixincl.x: regenerate
12054 *fixinc/inclhack.sh: regenerate
12056 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12058 * invoke.texi: Add C4x invocation docs.
12060 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12062 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
12064 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
12066 (c4x_legitimize_reload_address): New function.
12067 * config/c4x/c4x.md: Update docs.
12069 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
12071 * fixincludes: Avoid removing '.'.
12072 * fixinc/fixinc.svr4: Likewise.
12073 * fixinc/fixinc.winnt: Likewise.
12074 * fixinc/inclhack.tpl: Likewise.
12075 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
12077 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12079 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
12081 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
12083 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
12085 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
12088 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
12090 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
12091 * configure: Regenerate.
12093 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
12095 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
12098 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
12100 * fixinc/inclhack.def (avoid_bool): Also catch
12101 "typedef [unsigned] int bool".
12102 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12104 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
12105 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
12106 * configure: Rebuilt.
12108 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
12110 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
12111 such that we can override its definitions if necessary.
12112 (CPP_SPEC): New define. Support processor specific predefines via
12114 (CC1_SPEC): New define. Support processor specific compiler
12115 options via %(cc1_cpu).
12116 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
12119 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12121 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
12122 between sed's -e flag, and the open-quote following it.
12123 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12125 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
12126 Jeffrey A Law (law@cygnus.com)
12128 * varasm.c (assemble_start_function): Remove the function
12129 from the pending weak decls list when we define a function.
12130 (assemble_variable): Similarly for variables.
12131 (weak_finish): Ignore items on the list with a NULL name.
12132 (remove_from_ending_weak_list); New function to "remove" an item
12133 from the pending weak declarations list.
12135 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12137 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
12139 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
12141 * c-lex.c (GETC): Redefine to call getch.
12142 (UNGETC): Redefine to call put_back.
12143 (putback_buffer): New structure type.
12144 (putback): New static structure.
12145 (getch): New function.
12146 (put_back): New function.
12147 (yylex): Replace unused bytes from bad multibyte character.
12149 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
12151 * cpplib.c (do_define): Cast `alloca' return value.
12152 (do_include, do_undef, do_pragma): Likewise.
12153 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
12155 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
12156 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
12158 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
12160 * sparc.md (abstf2): This should be an expand.
12161 (split after abstf2_notv9): Fix mode.
12162 (abstf2_hq_v9): New pattern.
12163 (abstf2_v9): Only use when no hard quad.
12164 (absdf2_v9): Fix if target is not the same as source.
12165 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
12166 Add correct output constraints.
12168 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
12170 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
12171 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
12173 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
12175 * mips.h (mips_output_conditional_branch): New function.
12176 (mips_adjust_insn_length): Likewise.
12177 (ASSEMBLER_SCRATCH_REGNUM): New macro.
12178 (ADJUST_INSN_LENGTH): Likewise.
12179 * mips.c (print_operand): Add `F' and `W' for floating-point
12180 comparison opcodes.
12181 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
12183 (mips_adjust_insn_length): New function.
12184 (mips_output_conditional_branch): New function.
12185 * mips.md (length): Adjust attribute definition to handle
12186 conditional branches. Change lengths to bytes, rather than
12187 instructions throughout. Remove length attribute from
12188 instructions whose length is four bytes, and rely on the default
12190 (dslot): Fix typo in comment.
12191 Reword conditional branch patterns to use
12192 mips_output_conditional_branch.
12194 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12196 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
12197 (LIB_SPEC): Likewise.
12198 Link with -lprof1_r for -g/-pg.
12200 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12202 * loop.c (check_dbra_loop): Fix change of Jan 19.
12204 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
12206 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
12207 (STARTFILE_SPEC): Define, override the svr4.h version.
12208 (ENDFILE_SPEC): Likewise.
12210 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
12212 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
12213 * fixinc/fixincl.x: Regenerated.
12214 * fixinc/inclhack.sh: Regenerated.
12216 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12218 * sh.c (barrier_align): Don't return early for normal branch/barrier
12219 when optimizing for SH2.
12221 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
12223 * i386/udk.h (LINK_SPEC): Correct linker search path for
12226 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12228 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
12229 (braf_label_ref_operand): Delete.
12230 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
12231 * sh.md (casesi_jump_2): Operand1 is now the inside of a
12232 label_ref, and has no predicate.
12233 The patten has a predicate to guard against invalid substitutions.
12234 (dummy_jump): Delete.
12235 (casesi): Update use of casesi_jump_2.
12237 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12239 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
12240 *fixinc/fixincl.x: regenerate
12241 *fixinc/inclhack.sh: regenerate
12243 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
12245 * dwarf2out.c (add_incomplete_type): New fn.
12246 (gen_struct_or_union_type_die): Call it.
12247 (retry_incomplete_types): New fn.
12248 (dwarf2out_finish): Call it.
12250 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
12252 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
12253 current block starts with a CODE_LABEL and ends with a CALL and
12254 we can not find all the argument setup instructions for the CALL.
12256 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
12258 Revert this change:
12259 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12260 something is a candidate for optimize_bit_field_compare.
12262 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12264 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
12266 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
12268 * alpha.c (override_options): Thinko in last patch.
12270 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
12271 (LIB_SPEC): Recognize -pthread.
12273 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
12275 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
12276 definition in config/arm/coff.h
12277 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
12279 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12281 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
12282 fixes that need "file=xxx\n" prepended before invocation
12283 (start_fixer - new): starting the fixer process is complex enough
12284 to warrent its own routine. It prepends the "file=xxx\n" stuff.
12285 (process): uses the new routine; omit usage of putenv()
12286 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
12287 * fixinc/fixincl.x: regenerate
12289 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
12291 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
12292 and version #s (1.1 -> 2.96) as needed.
12293 * README.g77: Kill way out of date file in the toplevel directory.
12295 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
12297 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
12298 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
12299 * configure: Rebuilt.
12300 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
12301 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
12302 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
12303 (SWITCH_TAKES_ARG): Likewise.
12304 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
12305 * config/t-freebsd: Moved from config/i386/ so it can used for all
12308 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
12310 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
12312 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
12314 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
12315 * configure: Rebuilt.
12317 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
12319 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
12320 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
12321 * rs6000/rs6000.c (rs6000_file_start): Use putc.
12322 (rs6000_output_load_toc_table): Same.
12323 (output_prolog, output_mi_thunk): Same.
12324 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
12325 (ASM_GLOBALIZE_LABEL): Use putc.
12327 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
12329 * alpha.md (reload_*_help): New patterns and splitters.
12330 (reload_*): Use them.
12331 (mov[qh]i): Likewise.
12333 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
12335 * cccp.c (handle_directive): Handle backslash-newlines in quoted
12338 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
12340 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
12342 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
12344 * flow.c (mark_regs_live_at_end, insn_dead_p,
12345 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
12346 and HARD_FRAME_POINTER_REGNUM special treatment if reload
12347 hasn't run or the frame pointer is needed.
12348 * haifa-sched.c (attach_deaths): Likewise.
12349 * sched.c (attach_deaths): Likewise.
12351 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
12353 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
12354 calculate_can_reach_end returns nonzero.
12356 * configure.in (native gas tests): Search for an assembler in the
12357 same manner that the installed compiler will.
12358 * configure: Rebuilt.
12359 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
12361 * alias.c (find_base_term): Improve handling of addresses
12362 constructed from binary operations.
12364 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
12366 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
12368 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
12370 * function.h (cleanup_label, frame_offset): Declare.
12371 (tail_recursion_label, tail_recursion_reentry): Likewise.
12372 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12373 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
12374 (tail_recursion_label, tail_recursion_reentry): Likewise.
12375 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12377 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
12379 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
12381 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
12382 (MAX_OFILE_ALIGNMENT): Define.
12384 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
12386 * fixincl.c: Replace local include scheme with #includes of
12387 gansidecl.h and system.h.
12388 * procopen.c: Likewise.
12389 * server.c: Likewise.
12391 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
12393 * i386/t-dgux (EXTRA_PARTS): Add crti.o
12394 (crti.o): Add build rule and dependencies.
12395 * fixinc/fixinc.dgux: Use modified _int_varargs.h
12397 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12399 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
12400 (LIB_LINUX_SPEC): Likewise.
12401 (LIB_LINUX_SPEC): Add support for -pthread
12402 (CPP_OS_LINUX_SPEC): Likewise.
12403 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
12406 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
12408 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
12410 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12411 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12412 for IEEE math and CC_FCOMI.
12413 (put_jump_code): No IEEE if CC_FCOMI is set.
12415 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12417 * fold-const.c (fold_truthop): Make the field reference unsigned
12418 when converting a single bit compare.
12420 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12422 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12424 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12426 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12427 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12430 * reload.c (push_reload): Do not call remove_address_replacements
12431 when presented with identical optional reloads.
12433 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12435 * alpha.h (MASK_FIX, TARGET_FIX): New.
12436 (MASK_*): Reorganize constants.
12437 (CPP_AM_FIX_SPEC): New.
12438 (TARGET_SWITCHES): Add FIX.
12439 (EXTRA_SPECS): Likewise.
12440 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12441 (SECONDARY_MEMORY_NEEDED): Likewise.
12442 (REGISTER_MOVE_COST): Likewise.
12443 * alpha.c (override_options): Add FIX support. Always use
12444 ALPHA_TP_PROG for ev6.
12445 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12446 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12447 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12449 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12451 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12452 something is a candidate for optimize_bit_field_compare.
12454 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12456 * gcc.texi (Passes): Document branch-shortening.
12457 * invoke.texi (Debugging Options): Document the fact that `-dp'
12458 outputs length information for instructions.
12460 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12462 * flow.c: Revert previous delta.
12464 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12466 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12467 FRAME_POINTER_REGNUM.
12468 (mark_set_1): Ditto.
12469 (mark_used_regs): Ditto.
12471 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12473 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12474 (GOT_PCREL): New macro. Define to 1 if not already defined.
12475 * arm/elf.h (GOT_PCREL): Define to 0.
12476 * arm.c (arm_finalize_pic): Take into account the setting of
12479 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12481 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12482 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12484 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12485 store elimination candidates.
12487 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12489 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12492 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12494 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12495 Add use of x-aix41-gld.
12497 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12499 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12500 (ASM_OUTPUT_DESTRUCTOR): Define.
12502 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12504 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12505 last CODE_LABEL in a loop if we have previously passed a jump
12506 to the top of the loop.
12508 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12510 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12511 applying Philip's patch.
12513 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12515 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12518 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12520 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12522 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12524 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12525 Also remove a useless comment.
12527 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12529 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
12531 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
12533 * collect2.c (main): Only generate import or export file and add
12534 to link arguments if non-empty. Use xmalloc not alloca.
12535 (write_{export,import}_file): Delete.
12536 (write_aix_file): New function.
12537 (locatelib): Use xmalloc not malloc.
12538 (GCC_OK_SYMBOL): Do not check type if aix64.
12540 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
12542 Based on patch by Scott Bambrough and Pat Beirne:
12543 * config/arm/arm.c (making_const_table): New variable.
12544 * config/arm/arm.h (making_const_table): Declare.
12545 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
12547 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
12548 Keep track of when we are building the constant table.
12550 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
12552 * config/arm/arm.c (arm_override_options): Fix erroneous warning
12555 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
12557 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
12560 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
12562 * tm.texi (FUNCTION_ARG): Correct description of a stack element
12565 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
12567 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
12569 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12571 * rs6000.c (output_mi_thunk): Enable full support again.
12573 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12575 * sh.h (BRANCH_COST): Define.
12577 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
12579 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
12581 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
12583 * function.c (assign_stack_local): Align stack slot propertly.
12584 (assign_outer_stack_local): Likewise.
12586 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
12588 * expr.h (lang_expand_constant): Declare.
12589 * toplev.c (lang_expand_constant): Define it.
12590 * varasm.c (output_constant): Use it.
12592 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12594 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
12595 Change function definitions to K&R style.
12597 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12599 * fixinc/fixincl.c: We must not ignore SIGCLD now.
12601 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
12603 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
12604 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
12605 (several places): omit static initialization
12606 (process): use single fd, since only the read fd is used
12607 * fixinc/gnu-regex.c: define 'const' away, if not supported
12608 * fixinc/procopen.c(several places): omit static initialization
12609 * fixinc/server.c: define 'volitile' away, if not supported
12611 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12613 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
12614 asm_fprintf and %L to generate the label name.
12615 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
12616 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
12618 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
12620 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
12621 insn for a conditional jump can not be found.
12623 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
12625 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
12626 on variables in specific sections other than .sbss and .sdata.
12628 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
12630 * stmt.c (expand_return): Call start_cleanup_deferral and
12631 end_cleanup_deferral around conditional code.
12633 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12635 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
12636 filename lists. Utilizes new "krstr" AutoGen function.
12637 * fixinc/fixincl.x: Rebuilt.
12639 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
12641 * i386.c (output_float_compare): Avoid GNU-C extensions.
12643 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
12645 * version.c: Bump to distinguish mainline tree from the
12648 See ChangeLog.1 for earlier changes.