1 2000-04-06 Richard Henderson <rth@cygnus.com>
3 * flow.c (compute_flow_dominators): Free worklist.
5 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
7 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9 2000-04-06 Alex Samuel <samuel@codesourcery.com>
11 * rtl.h (INSN_P): New macro.
12 (successor_phi_fn): New typedef.
13 (for_each_successor_phi): New prototype.
14 (in_ssa_form): New variable.
15 (PHI_NODE_P): Likewise.
16 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
17 phi nodes in successors.
18 (mark_used_regs): Add PHI case.
19 (set_phi_alternative_reg): New function.
20 (life_analysis): Assert that dead code elimination is not selected
22 * toplev.c (to_ssa_time): New variable.
23 (from_ssa_time): Likewise.
24 (compile_file): Zero to_ssa_time and from_ssa_time.
25 Print time to convert to and from SSA.
26 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
27 (print_time): Compute percent fraction as integer.
28 * ssa.c (PHI_NODE_P): Moved to rtl.h.
29 (convert_to_ssa): Check if we're already in SSA.
30 Don't eliminate dead code in life_analysis.
31 Rerun flow and life analysis at bottom.
32 (eliminate_phi): Use canonical regnos when adding nodes.
33 (mark_reg_in_phi): New function.
34 (mark_phi_and_copy_regs): Likewise.
35 (convert_from_ssa): Rerun life analysis at top.
36 Use coalesced partition.
37 Check for removing a phi node at the end of the block.
38 (compute_coalesced_reg_partition): New function.
39 (coalesce_regs_in_copies): Likewise.
40 (coalesce_reg_in_phi): Likewise.
41 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
42 (for_each_successor_phi): Likewise.
43 (rename_context): New struct.
44 (rename_block): Use a rename_context with rename_insn_1. When
45 renaming sets of a subreg, emit a copy of the entire reg first.
46 (rename_insn_1): Treat data as a rename_context *. Save current
48 (rename_set_data): Add field set_insn.
49 * Makefile.in (HASHTAB_H): Move up in file.
50 (OBSTACK_H): New macro.
51 (collect2.o): Use OBSTACK_H in dependencies.
53 (emit-rtl.o): Likewise.
54 (simplify-rtx.o): Likewise.
55 (fix-header.o): Likewise.
56 (OBJS): Add conflict.o.
57 (conflict.o): New rule.
58 * basic-block.h: Include partition.h.
59 (conflict_graph): New typedef.
60 (conflict_graph_enum_fn): Likewise.
61 (conflict_graph_new): New prototype.
62 (conflict_graph_delete): Likewise.
63 (conflict_graph_add): Likewise.
64 (conflict_graph_conflict_p): Likewise.
65 (conflict_graph_enum): Likewise.
66 (conflict_graph_merge_regs): Likewise.
67 (conflict_graph_print): Likewise.
68 (conflict_graph_compute): Likewise.
69 * conflict.c: New file.
71 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
73 * tlink.c (read_repo_files): Don't look for .rpo info for
76 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
78 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
80 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
82 * config/sh/lib1funcs.asm (___udivsi3_i4):
83 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
84 only depends on FMOVD_WORKS.
86 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
88 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
89 make double constant 8-byte aligned.
91 2000-04-06 Jakub Jelinek <jakub@redhat.com>
93 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
94 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
95 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
96 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
97 Accept storing GENERAL_REGS into offsetable memory.
98 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
99 building a TFmode constant other than 0.0L into GENERAL_REGS.
101 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
103 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
105 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
107 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
108 (macro_cleanup): No need to cast pbuf->macro.
109 (collect_expansion): Use _cpp_get_define_token. Goto done if
110 it returns VSPACE. Remove check for trailing space after
112 (_cpp_create_definition): Don't diddle flags here. Return
114 (unsafe_chars): Handle c1 being EOF.
115 (push_macro_expansion): Use unsafe_chars for both accidental-paste
116 checks. Don't push the buffer till after we're done with
118 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
119 (PEEKN, FORWARD, GETC, PEEKC): Use them.
120 (cpp_push_buffer): Don't set new->alimit. Set new->mark
122 (_cpp_parse_assertion): Don't NUL terminate.
123 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
124 hspace before calling _cpp_parse_assertion. Remove all sets
125 of only_seen_white. Treat '\f' as hspace. Don't do anything
126 special with '\n' here.
127 (maybe_macroexpand): Handle T_EMPTY hash entries without
128 pushing a buffer at all.
129 (cpp_get_token): Handle clearing only_seen_white here. Handle
130 incrementing the line number here. Clear
131 potential_control_macro as well as only_seen_white, if
133 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
134 (_cpp_get_define_token): New function, basically like
135 _cpp_get_directive_token was but doesn't eat horizontal space.
136 Don't do anything with only_seen_white here.
137 (_cpp_get_directive_token): Just call _cpp_get_define_token
138 repeatedly till it returns non-hspace.
140 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
141 (conditional_skip, skip_if_group): Return int.
142 (DIRECTIVE_TABLE): Change origin of all conditional directives
144 (TRAD_DIRECT_P): New macro.
145 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
146 an error for a bogus directive, unless -lang-asm. Use
147 TRAD_DIRECT_P. Loop calling handler functions till one returns
149 (get_macro_name): Don't diddle flags here.
150 (do_define): Diddle flags here. Use _cpp_get_directive_token.
151 Create T_EMPTY nodes for #define macro /* nothing */.
152 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
153 Use hp->name when calling pass_thru_directive.
154 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
155 Return the result of conditional_skip and/or skip_if_group.
156 Don't call _cpp_output_line_command.
157 (consider_directive_while_skipping): Use _cpp_get_directive_token.
158 Issue -Wtraditional warnings as appropriate. Don't complain
159 about unrecognized directives. If we are to stop skipping,
160 return the number of the directive that ended the skip.
161 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
162 expansion and line commands while skipping. Return the result
163 of consider_directive_while_skipping, if nonzero.
164 (do_endif): Just set potential_control_macro here.
165 (validate_else): Use _cpp_get_directive_token.
166 (do_assert, do_unassert): Don't save pointers into the
167 token_buffer across calls to the lexer. Use
168 _cpp_get_directive_token.
170 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
171 pointer, not an offset. Replace 'data', which was a generic
172 pointer, with 'macro', which points to a struct hashnode.
173 (cpp_reader): Add 'potential_control_macro' pointer.
174 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
175 (CPP_BUF_GET, CPP_FORWARD): Delete.
176 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
177 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
178 ACTIVE_MARK_P): Update.
179 (_cpp_get_define_token): New internal function.
180 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
182 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
184 * configure.in: And here.
185 * configure: Regenerate.
186 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
187 --enable-libstdcxx-v3 is passed at configure time.
188 * config.h.in: Regenerate.
190 2000-04-05 Mark Mitchell <mark@codesourcery.com>
192 * final.c (final): Use xcalloc to allocate line_note_exists.
193 * function.c (free_after_compilation): Free the temp_slots.
194 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
195 (combine_temp_slot): Free temp_slots when they get combined.
196 (purge_addressof): Fix typo in comment.
197 * stmt.c (mark_goto_fixup): Mark the fixup itself.
198 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
200 * ggc.h: Include varray.h.
201 (ggc_pending_trees): Declare.
202 (ggc_mark_tree_children): Remove declaration.
203 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
204 * ggc-common.c (ggc_pending_trees): New variable.
205 (ggc_mark_roots): Call ggc_mark_trees.
206 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
207 the ggc_pending_trees.
208 * Makefile.in (GGC_H): New variable. Use it throughout in place
211 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
213 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
216 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
218 * sh.c (sh_insn_length_adjustment): New function.
219 * sh-protos.h (sh_insn_length_adjustment): Declare.
220 * sh.h (ADJUST_INSN_LENGTH): Use it.
222 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
224 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
225 from the insn where REG_RETVAL is added.
226 (emit_no_conflict_block): Ditto.
228 * md.texi (Standard Names): Clarify when movX is needed.
230 * combine.c (simplify_comparison) [MINUS]: Do not replace
231 all (op (minus A B) 0) with (op A B).
233 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
234 J"orn Rennecke <amylaar@cygnus.co.uk>
236 * sh.c (block_lump_real_i4): Add missing clobber of T_REG
237 (block_lump_real): Likewise.
239 2000-04-05 Chris Demetriou <cgd@netbsd.org>
241 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
242 remaining non-zero debugging masks.
244 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
246 * basic-block.h (verify_flow_info): Declare.
247 (flow_loop_outside_edge_p): Declare.
248 * flow.c (verify_flow_info): Remove declaration.
249 (clear_log_links, flow_loop_outside_edge_p): Likewise.
251 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
253 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
256 2000-04-05 Jakub Jelinek <jakub@redhat.com>
258 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
259 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
260 seqdi_zero_trunc+1): Allow splits only if registers are
263 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
265 * acconfig.h: Add HAVE_GAS_HIDDEN.
266 * config.in: Regenerated.
267 * configure.in: Add test for .hidden pseudo-op in gas.
268 * configure: Regenerated.
269 * crtstuff.c: Include auto-host.h.
270 Emit additional .hidden pseudo-op for __dso_handle if the
271 assembler knows about it.
273 2000-04-04 Philippe De Muyter <phdm@macqel.be>
275 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
276 before freeing argnames.
277 * cpplib.c (do_ifndef): Cast return value of xstrdup.
279 2000-04-05 Michael Meissner <meissner@redhat.com>
281 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
282 Walton <jonboy@gordian.com> to make memory references with update
283 work wtih -mregnames.
285 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
287 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
288 (regrename_optimize): Rename variables `def_uses' and
289 `ext_basic_blocks' to avoid conflicts with similarly named
290 typedefs in traditional C.
292 * calls.c (initialize_argument_information): Fix typo in previous
295 2000-04-04 Richard Henderson <rth@cygnus.com>
297 * regrename.c (consider_available): Test fixed_regs not
298 PIC_OFFSET_TABLE_REGNUM.
300 2000-04-04 Geoff Keating <geoffk@cygnus.com>
302 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
304 (CRTSTUFF_T_CFLAGS_S): Delete definition.
305 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
306 (ENDFILE_LINUX_SPEC): Always use crtend.
307 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
308 (powerpc-*-linux-gnu): Likewise.
309 * configure: Regenerate.
311 * config/rs6000/eabi.h: Don't include sysv4.h.
312 (MULTILIB_DEFAULTS): Don't define.
313 * config/rs6000/eabiaix.h: Don't include eabi.h.
314 * config/rs6000/eabile.h: Delete.
315 * config/rs6000/eabilesim.h: Delete.
316 * config/rs6000/eabisim.h: Don't include eabi.h.
317 * config/rs6000/linux.h: Don't include sysv4.h.
318 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
319 (MULTILIB_DEFAULTS): Don't redefine.
320 * config/rs6000/rtems.h: Don't include eabi.h.
321 * config/rs6000/sol2.h: Don't include sysv4le.h.
322 * config/rs6000/sysv4le.h: Don't include sysv4.h.
323 * config/rs6000/t-ppc: Delete.
324 * config/rs6000/t-ppcgas: Correct comment.
325 * config/rs6000/t-ppcos: Correct comment. Don't build
326 multilibs for -fPIC, rather use -fPIC -mstrict-align
328 * config/rs6000/t-ppc: Delete.
329 * config/rs6000/vxppc.h: Don't include sysv4.h.
330 * config/rs6000/vxppcle.h: Delete.
331 * configure.in: Use multiple header files for p2pc ELF targets
332 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
333 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
334 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
335 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
336 always available for these platforms.
338 2000-04-04 Richard Henderson <rth@cygnus.com>
340 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
342 2000-04-04 Stan Cox <scox@cygnus.com>
344 * Makefile.in: Add rules for regrename.o
345 * regrename.c: New file.
346 * rtl.h (regrename_optimize): Add prototype.
347 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
348 (compile_file, decode_d_option): Add support for -frename-registers.
349 (rest_of_compilation): Call regrename_optimize.
350 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
353 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
355 * Makefile (gccbug): New target.
357 * gcc.texi (Bugs): Link subnodes.
359 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
360 Document severities, priorities, and classes in bug form.
362 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
364 * cpplex.c (trigraph_map, speccase): Combine into single
366 (NORMAL, NONTRI): New macros.
367 (_cpp_read_and_prescan): Change to use unified table. Use
368 is_hspace to test for whitespace.
370 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
371 definition that doesn't provoke the "empty body in an
372 if-statement" warning.
374 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
376 * builtins.c (expand_builtin_strlen): Force the source to
379 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
383 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
385 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
386 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
387 (ECF_IS_CONST): Rename to ECF_CONST.
388 (special_function_p): Make static, change interface.
389 (flags_from_decl_or_type, try_to_integrate): Break out from ...
390 (expand_call) ... here; convert number of variables to flags.
391 (emit_library_call_vlue_1): Likewise.
392 (setjmp_call_p): New function.
393 (initialize_argument_information): Accepts flags as argument;
395 (precompute_arguments): Likewise.
396 * tree.h (special_function_p): Remove.
397 (setjmp_call_p): Add prototype.
399 2000-04-04 Jakub Jelinek <jakub@redhat.com>
401 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
402 so that addresses are offsetable by up to 16 bytes.
403 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
404 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
407 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
408 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
409 (movsf): Don't force any constant to memory if target is integer
411 Move fp_zero_operand check below the const0_rtx check.
412 (movtf): Likewise. Also allow fp_zero_operand for stores into
414 (movdf): Likewise. Also allow fp_zero_operand for stores into
415 memory and into integer hard registers.
416 (clear_df, clear_dfp, movdf_const_intreg_sp32,
417 movdf_const_intreg_sp64): Remove.
418 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
420 (movdf_no_e_insn_v9_sp32): New pattern.
421 (movdf_insn_v9only): Remove.
422 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
423 (movdf_insn_sp64): Remove.
424 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
425 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
426 (following splits): Rewrite conditions. Add two new splits
427 for storing 0.0 into memory and registers.
428 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
429 (movtf_insn_sp32): Redo constraints and conditions.
430 (movtf_insn_vis_sp32): New pattern.
431 (movtf_no_e_insn_sp32): Redo constraints and conditions.
432 (movtf_insn_hq_sp64): Likewise.
433 (movtf_insn_hq_vis_sp64): New pattern.
434 (movtf_insn_sp64): Redo constraints and conditions.
435 (movtf_insn_vis_sp64): New pattern.
436 (movtf_no_e_insn_sp64): Redo constraints and conditions.
437 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
439 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
440 -mvis or -m64 to take down the number of various reload patterns.
442 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
444 * pa/pa-64.h: New file.
445 * pa/pa64-regs.h: New file.
446 * pa/pa64-start.h: New file.
447 * pa/t-pa64: New file.
448 * pa/xm-pa64hpux.h: New file.
450 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
452 * sparc.c (output_restore_regs): Prototype.
453 (sparc_emit_float_lib_cmp): Constification.
455 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
457 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
460 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
461 (get_value_hash, hash_rtx): Likewise.
463 * ssa.c (compute_conservative_reg_partition): Prototype.
465 * tree.c (mark_hash_entry): Prototype.
467 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
469 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
470 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
471 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
473 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
474 * objc/lang-specs.h: Likewise.
476 2000-04-03 Neil Booth <NeilB@earthling.net>
478 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
479 and SYNTAX_ERROR2. Replace `' in messages with ''.
480 (op_to_str): Make re-entrant.
481 (_cpp_parse_expr): Implement new error macros. Use | rather
482 than || to logically or 2 boolean integers. Simply expression
483 checking we have a left operand iff needed.
485 2000-04-03 Nick Clifton <nickc@cygnus.com>
487 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
489 2000-04-03 Philip Blundell <philb@gnu.org>
491 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
493 2000-04-03 Felix Lee <flee@cygnus.com>
495 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
498 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
500 * Makefile.in (stmp-int-hdrs): Make include subdir here...
501 (stmp-fixproto): ...rather than here.
503 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
505 * pa.c (print_operand): Compute 'base' only inside the code paths
508 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
510 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
513 2000-04-03 Philipp Thomas <pthomas@suse.de>
515 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
517 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
519 * Makefile.in (alias.o): Depend on $(TREE_H).
521 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
523 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
525 * cpplib.c (_cpp_handle_directive): Improve warnings for
526 traditional C and indented directives.
528 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
529 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
530 fixinc/inclhack.def: Indent the # of #include_next one space.
531 * cp/rtti.c: Un-indent #if and #endif.
533 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
534 syntax error, but an error has already been printed.
535 * cpplex.c (_cpp_parse_assertion): Give a more specific error
536 message when called with nothing remaining on the line.
537 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
538 OTHER token, not an ASSERTION.
539 * cpplib.c (do_assert): When we create a 'base' node, clear
542 2000-04-02 Neil Booth <NeilB@earthling.net>
544 * cppexp.c: New typedef op_t. struct operation and struct
545 token updated to use it.
546 (op_to_str): New function.
547 (_cpp_parse_expr): Error messages modified to use op_to_str.
549 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
551 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
552 before checking MUST_PASS_IN_STACK.
554 2000-04-02 Neil Booth <NeilB@earthling.net>
556 * cppexp.c: New FINISHED dummy token. Combine operator initial
557 flags and initial priority into a single constant. New
558 EQUALITY macro. New operator flag SHORT_CIRCUIT.
559 (_parse_cpp_expr): Implement new constants. Take left operand
560 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
561 parse indicated by reducing FINISHED token. Remove new lines
562 from cpp_error messages.
564 2000-04-01 Mark Mitchell <mark@codesourcery.com>
566 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
569 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
571 * cpplib.c: Include symcat.h. Add 'origin' field to struct
572 directive. Add origin values to DIRECTIVE_TABLE. Generate
573 the strings and function names on the fly. Take the #sccs
574 entry out of the table if SCCS_DIRECTIVE is not defined.
575 (_cpp_handle_directive): Decide if the # was at the beginning
576 of the line here. Issue -pedantic warnings for extended
577 directives here. Warn about K+R directives with the #
578 indented, and C89/extended directives with the # not indented,
580 (do_import, do_include_next, do_warning, do_ident, do_sccs,
581 do_assert, do_unassert): Don't issue pedantic warning here.
583 * cpphash.h: Add CPP_WTRADITIONAL macro.
584 * cpplib.h (struct cpp_options): Rename warn_stringify to
585 warn_traditional; update comments.
586 * cppinit.c (handle_option): Set warn_traditional not
588 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
589 CPP_WTRADITIONAL (pfile).
590 * cpplex.c (_cpp_lex_token): Don't decide if directives should
591 be ignored in -traditional mode here.
593 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
594 to initialize speccase[] and trigraph_map[]. Delete all
595 references to pfile->input_speccase. Always treat '?' as a
596 special character. Remove table-initialization code from
597 _cpp_init_input_buffer.
599 * cpplib.h (struct cpp_reader): Remove input_speccase field.
600 * cppinit.c (cpp_cleanup): Don't free input_speccase.
602 2000-04-01 Richard Henderson <rth@cygnus.com>
604 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
605 (mostlyclean): Likewise.
607 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
608 (struct dump_file_info, enum dump_file_index, dump_file): New.
609 (open_dump_file): Take a dump_file_index not a suffix, and a decl
610 not a string. Clean out file if we havn't yet done so. Do nothing
611 if the dump isn't enabled.
612 (close_dump_file): Do nothing if the dump isn't open. Dump
613 graph data if requested.
614 (dump_rtl, clean_dump_file): Remove.
615 (compile_file): Don't clean the dump files. Only finalize .bp dump
616 if flag_test_coverage or flag_branch_probabilities. Only finalize
617 .combine dump if optimizing. Iterate over dump_file to finalize the
619 (rest_of_compilation): Update for open_dump_file/close_dump_file.
620 Convert all uses of dump_rtl.
621 (decode_d_option): Iterate over dump_file to implement 'a' and to
622 locate pass-specific dumps.
624 2000-04-01 Neil Booth <NeilB@earthling.net>
626 * cppexp.c: Redefine priority constants.
627 (_cpp_parse_expr): Replace left and right priority scheme with
628 single priority logic. Move LOGICAL to same place as COMPARE.
629 Remove bogus check for multiple unary +/- operators.
631 2000-04-01 Neil Booth <NeilB@earthling.net>
633 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
634 within the switch statement. Binary operations break out of
635 the switch naturally. '(' tokens handled by forcing
636 immediate shift. ')' handled by forcing immediate reduce to
637 the previous '('. New error messages.
639 2000-03-31 Geoff Keating <geoffk@cygnus.com>
641 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
642 part', it's already in use. Use %K instead. Add a return at the
643 end of what is now %K.
644 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
646 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
648 * builtins.c (expand_builtin_apply): Pass proper parameters to
649 allocate_dynamic_stack_space.
650 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
651 update stack_pointer_delta; do not update arg_size_so_far.
652 (compute_argument_block_size): Use stack_delta instead of
653 stack_pointer_pending and arg_size_so_far.
654 (expand_call): Add sanity checking for stack_pointer_delta;
655 save and restore stack_pointer_delta for SIB, use
656 stack_pointer_delta for alignment; do not update arg_space_so_far.
657 (emit_library_call_value): Use stack_pointer_delta for alignment.
658 (store_one_arg): Do not update arg_space_so_far.
659 * explow.c (adjust_stack, anti_adjust_stack): Update
661 (allocate_dynamic_stack_space): Add sanity checking for
663 * expr.c (init_expr, clear_pending_stack_adjust): Clear
665 (emit_push_insn): Update stack_pointer_delta.
666 * function.h (struct expr_status): Add x_stack_pointer_delta;
667 remove x_arg_space_so_far.
668 (arg_space_so_far): Remove.
669 (stack_pointer_delta): New macro.
671 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
673 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
674 Reorder struct cpp_options and struct cpp_reader for better
675 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
676 takes two args. Change all 'char' flags to 'unsigned char'.
677 Move show_column flag into struct cpp_options. Don't
678 prototype cpp_options_init.
679 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
680 cppinit.c, cpplex.c, cpplib.c:
681 Replace CPP_OPTIONS (pfile)->whatever with
682 CPP_OPTION (pfile, whatever), and likewise for
683 opts = CPP_OPTIONS (pfile); ... opts->whatever;
685 * cppinit.c (merge_include_chains): Take a cpp_reader *.
686 Extract CPP_OPTION (pfile, pending) and work with that
688 (cpp_options_init): Delete.
689 (cpp_reader_init): Turn on on-by-default options here.
690 Allocate the pending structure here.
691 (cl_options, enum opt_code): Define these from the same table,
692 kept in a large macro. Add -fshow-column and -fno-show-column
695 * cpperror.c (v_message): If show_column is off, don't print
698 * cppmain.c: Update for new interface.
699 * fix-header.c: Likewise.
701 2000-03-30 Geoff Keating <geoffk@cygnus.com>
703 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
705 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
706 are passed to any invocation of AR_FOR_TARGET.
707 (AR_CREATE_FOR_TARGET): New macro.
708 (AR_EXTRACT_FOR_TARGET): New macro.
709 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
710 AR_EXTRACT_FOR_TARGET.
711 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
712 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
713 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
714 AR_EXTRACT_FOR_TARGET to sub-makes.
716 2000-03-31 Neil Booth <NeilB@earthling.net>
718 * cppexp.c: Delete SKIP_OPERAND. Correct priority
720 (_cpp_parse_expr): Check for multiple unary +/- operators.
721 Correct priorities of ':' and '?'. Treat ')' as having a
722 value. Ensure conditional expression is not void.
724 2000-03-31 Mark Mitchell <mark@codesourcery.com>
726 * alias.c (canon_rtx): Make it global.
727 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
729 * cse.c (struct table_elt): Add canon_exp.
731 (invalidate): Canonicalize expressions only once.
732 * rtl.h (canon_rtx): Declare.
734 2000-03-30 Mark Mitchell <mark@codesourcery.com>
736 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
737 * alias.c (reg_known_value): Add comments.
738 (init_alias_analysis): Likewise.
739 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
741 (cse_basic_block): Fix typo in comment.
742 * emit-rtl.c: Include hashtab.h.
743 (const_int_htab): New variable.
744 (const_int_htab_hash): New function.
745 (const_int_htab_eq): Likewise.
746 (rtx_htab_mark_1): Likewise.
747 (rtx_htab_mark): Likewise.
748 (gen_rtx_CONST_INT): Cache all CONST_INTs.
749 (unshare_all_rtx): Fix formatting.
750 (init_emit_once): Initialize const_int_htab.
751 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
753 * rtl.texi: Document the fact that all CONST_INTs with the same
756 2000-03-30 Richard Henderson <rth@cygnus.com>
758 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
760 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
762 * configure.in: Comment out --enable-c-cpplib stanza.
763 * configure: Regenerate.
765 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
767 * expr.c (store_constructor): Properly compute displacement and
768 alignment when offset is variable.
770 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
771 cases of alignment in bytes.
773 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
775 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
776 since it is used to generate c-parse.y.
777 * objc-parse.c, objc-parse.y: Regenerated.
779 * function.c (expand_function_end): Pass alignment argument to
780 emit_block_move in bits, not bytes.
782 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
784 * expr.c (move_by_pieces_ninsns): Fix one more missing align
787 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
789 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
790 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
791 * function.c (assign_parms): Likewise.
792 * integrate.c (expand_inline_function): Likewise.
793 * stmt.c (expand_decl): Likewise.
794 (copy_rtx_and_substitute): Likewise.
795 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
796 (clear_by_pieces): Fix error in last change.
797 * emit-rtl.c (init_emit): Set known registers alignment in bits.
798 * function.h (regno_pointer_align): Now unsigned.
799 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
801 * config/i386/i386.c (aligned_operand): Likewise.
802 * config/sparc/sparc.c (mem_min_alignment): Likewise.
803 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
804 (unaligned_memory_operand): Likewise.
805 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
806 Also make alignments and sizes unsigned and some whitespace cleanup.
807 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
809 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
810 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
811 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
812 (expand_builtin_memset): Likewise, but to clear_storage.
813 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
814 (restore_fixed_argument_area): Likewise.
815 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
816 (load_register_parameters): Likewise, to emit_group_load.
817 (expand_call): Likewise, to emit_group_store and emit_block_move.
818 (emit_library_call_value_1): Likewise, to emit_block_move.
819 (store_one_arg): Likewise, and to emit_push_insn.
820 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
821 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
822 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
823 (emit_block_move, emit_group_load, emit_group_store): Likewise.
824 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
825 (expand_assigment, store_expr, store_constructor_field): Likewise.
826 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
827 (store_constructor, store_field, get_inner_reference): Likewise.
828 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
829 (expand_expr, case COMPONENT_REF): Likewise.
830 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
831 and positions; reindent code.
832 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
833 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
834 (assign_parms): Likewise to emit_group_store.
835 * optabs.c (prepare_cmp_insn): Alignment is in bits.
836 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
837 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
838 (expand_return): Likewise to {extract,store}_bit_field.
839 * stor-layout.c (get_mode_alignment): Minor cleanup.
840 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
841 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
843 2000-03-29 Nick Clifton <nickc@cygnus.com>
845 * config/arm/arm.h: Undo effects of previous delta:
846 (ASM_SPEC): Do not define.
847 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
849 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
852 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
854 * cppinit.c (cpp_start_read): Call initialize_dependency_output
855 only after reading in the primary source file.
857 2000-03-29 Geoff Keating <geoffk@cygnus.com>
859 * c-common.c (c_common_nodes_and_builtins): The first parameter to
860 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
861 or a reference to a va_list.
862 * builtins.c (stabilize_va_list): Simplify now we don't have to
863 work around C array address decay.
864 * c-typeck.c (convert_for_assignment): Handle assignment to
865 a reference parameter by taking the address of the RHS.
866 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
868 (__va_copy): Likewise.
869 * ginclude/varargs.h (va_start): Likewise.
870 (__va_copy): Likewise.
872 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
874 * i386/djgpp.h: Remove extraneous "+".
876 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
878 * calls.c (expand_call): Fix typo in last change.
880 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
882 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
885 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
887 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
888 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
889 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
890 * tree.c (bit_position, byte_position): Likewise.
891 * tree.h: Declare new functions.
893 2000-03-29 Nick Clifton <nickc@cygnus.com>
895 * config/arm/arm.c: Minor formatting changes/
896 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
898 (ASM_SPEC): Define if not already defined.
900 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
902 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
905 2000-03-29 Jakub Jelinek <jakub@redhat.com>
907 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
908 value, don't output it as unsigned.
910 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
912 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
914 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
916 * c-common.c (c_common_nodes_and_builtins): Don't special case
917 cplus_mode when declaring builtin bzero/bcmp, always avoid
920 2000-03-29 Bruce Korb <bkorb@gnu.org>
922 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
925 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
927 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
928 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
929 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
930 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
931 (save_fixed_argument_area, restore_fixed_argument_area):
932 conditionize by #ifdef REG_PARM_STACK_SPACE only.
933 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
934 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
935 (precompute_register_parameters): Avoid #ifdefs on
936 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
937 (stire_one_args): Likewise.
938 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
939 (emit_library_call_value_1): Likewise.
940 (compute_argument_block_size): Align to STACK_BOUNDARY only for
941 ACCUMULATE_OUTGOING_ARGS.
942 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
944 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
945 (use_crosses_set_p): Likewise.
946 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
947 #define ACCUMULATE_OUTGOING_ARGS 1.
948 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
950 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
952 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
953 (TARGET_SWITCHES): Add push-args, no-push-args,
954 accumulate-outgoing-args and no-accumulate-outgoing-args.
955 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
956 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
957 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
959 (emit_push_insn): Likewise.
960 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
961 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
962 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
963 (STACK_DYNAMIC_OFFSET): Define correctly for both
964 ACCUMULATE_OUTGOING_ARGS and normal mode.
965 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
966 * tm.texi (PUSH_ARGS): Document.
967 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
969 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
971 * flags.h (flag_optimize_sibling_calls): Declare.
972 * calls.c (expand_call): Fail sibcall when
973 !flag_optimize_sibling_calls
974 * invoke.texi (flag_optimize_sibling_calls): Document.
975 * toplev.c (flag_optimize_sibling_calls): New global variable.
976 (f_options): Add flag_optimize_sibling_calls.
977 (rest_of_compilation): Conditionize
978 optimize_sibling_and_tail_recursive_calls by
979 flag_optimize_sibling_calls.
980 (main): Set flag_optimize_sibling_calls for -O2.
981 * stmt.c (expand_return): Conditionize tail recursion by
982 flag_optimize_sibling_calls.
984 2000-03-29 Richard Henderson <rth@cygnus.com>
986 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
987 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
989 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
991 * except.c (add_eh_table_entry): Mark type_info's as referenced.
993 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
995 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
997 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
998 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
999 * config/rs6000/aix.h: then modified likewise.
1001 2000-03-28 Richard Henderson <rth@cygnus.com>
1003 * rtl.h: Redistribute enum reg_note documentation.
1004 Kill trailing whitespace.
1005 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1006 Kill trailing whitespace.
1008 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1010 * cppfiles.c (hash_IHASH): Just return i->hash.
1011 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1012 htab_find_with_hash.
1013 (cpp_read_file): Likewise.
1014 (find_include_file): Likewise. Properly initialize
1015 ih->nshort. Share ih->name and ih->nshort if possible.
1016 * cpphash.c (_cpp_calc_hash): New function.
1017 (hash_HASHNODE): Just return h->hash.
1018 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1019 htab_find_with_hash.
1020 * cpphash.h: Prototype _cpp_calc_hash.
1021 * cppinit.c (initialize_builtins): Provide a valid hash
1022 to _cpp_make_hashnode, using _cpp_calc_hash.
1024 * cpphash.c (collect_expansion): # is not a special character
1025 in object-like macros. In -traditional mode, /**/ is not
1026 token paste at the beginning or end of the line.
1027 * cpplib.c (do_include, do_import, do_include_next): If
1028 parse_include fails, return immediately.
1030 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1032 * config/arm/arm.md (return peepholes): Update to reflect the new
1034 * config/arm/arm.c (arm_volatile_func): Also check
1035 current_function_nothrow.
1036 (output_return_instruction, output_func_prologue): Use it.
1037 (arm_output_epilogue, arm_expand_prologue): Likewise.
1039 2000-03-27 Tom Tromey <tromey@cygnus.com>
1041 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1044 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1046 * expr.c (store_constructor): SIZE now signed.
1047 For EXPR_SIZE, don't evaluate size; just needed if constant.
1048 * fold-const.c (fold): Fix a number of cases when folded tree is
1050 * function.c (flush_addressof): Reenable.
1051 * tree.h (flush_addressof): Likewise.
1052 * toplev.c (independent_decode_option): Look at strings_processed.
1053 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1055 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1057 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1058 Allow stack adjustment after function call.
1060 * regmove.c (struct csa_memlist): Make mem field rtx *.
1061 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1062 (try_apply_stack_adjustment): Replace whole MEM rtx.
1063 (combine_stack_adjustments_for_block): Update calls
1064 to record_one_stack_ref.
1066 2000-03-28 Neil Booth <NeilB@earthling.net>
1068 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1069 '\\' rather than a null character, so nulls are not special. Fix
1070 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1071 speed trigraph conversion.
1072 (_cpp_init_input_buffer): Initialize trigraph map.
1074 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1076 * config/i386/i386.c (output_387_binary_op): Correct intel
1077 mode assembly output, and add spaces after commas in AT&T
1078 output. Correct Unixware assembler comment. Document input
1079 constraints. Comment fp operations. Reduce profligate buffer
1080 size. Remove extraneous abort. Localize temp var.
1081 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1082 (output_fix_trunc): Add spaces after commas in assembly output.
1084 2000-03-27 Richard Henderson <rth@cygnus.com>
1086 * i386-protos.h (ix86_match_ccmode): Declare.
1087 * i386.c (ix86_match_ccmode): New.
1088 (ix86_expand_fp_compare): Update for pattern renames.
1089 (ix86_expand_strlensi_unroll_1): Likewise.
1090 * i386.h (EXTRA_CC_MODES): Add CCZ.
1091 (SELECT_CC_MODE): Use it for EQ/NE zero.
1092 * i386.md (cmpsi_ccz_1): New.
1094 (*testsi_ccz_1): New.
1095 (testqi_ccz_1): New.
1096 (cmpsi_ccno_1): Rename from cmpsi_0.
1097 (testsi_ccno_1): Rename from testsi_1.
1098 (testqi_ccno_1): Rename from testqi_1.
1099 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1100 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1101 (*cmphi_0): Use ix86_match_ccmode.
1102 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1103 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1104 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1105 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1106 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1107 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1108 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1109 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1110 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1111 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1112 (appropriate peepholes): Likewise.
1113 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1114 (*subsi_3, *subhi_3, *subqi_3): Remove.
1115 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1116 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1117 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1118 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1119 (x86_shift_adj_1): Use CCZ.
1120 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1122 2000-03-27 Stan Cox <scox@cygnus.com>
1124 * resource.h (mark_resource_type): New.
1125 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1126 find_free_register): Use mark_resource_type.
1127 (mark_set_resources): Change include_delayed_effects
1128 to mark_resource_type.
1129 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1130 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1131 Use mark_resource_type.
1133 2000-03-27 Richard Henderson <rth@cygnus.com>
1135 * i386.md (call_pop_0, call_value_pop_0): New.
1136 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1137 (call_value_pop_1): Likewise.
1138 (call_0, call_value_0): New.
1139 (call_1, call_value_1): Remove constraint from unused arg.
1141 2000-03-27 Nick Clifton <nickc@cygnus.com>
1143 * invoke.texi (Spec Files): Document new spec % command created by
1144 Tom Tromey's recent patch.
1146 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1148 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1151 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1153 * expr.c (expand_assignment): Fix typo in last change.
1155 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1157 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1159 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1160 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1161 and DECL_INLINE if FUNCTION_DECL.
1162 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
1163 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
1164 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
1165 (combine_parm_decls): Likewise.
1166 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
1167 * print-tree.c (print_node): Likewise.
1168 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
1169 DECL_TRANSPARENT_UNION on proper decl types.
1170 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
1171 * stor-layout.c (layout_decl): Only check DECL_PACKED and
1172 DECL_BIT_FIELD of FIELD_DECL.
1173 * tree.h (DECL_RESULT_FLD): New macro.
1175 * expr.c (expand_assignment): Add code to handle variable-sized
1178 2000-03-26 Richard Henderson <rth@cygnus.com>
1180 * calls.c (expand_call): Pass parms not original exp to
1181 optimize_tail_recursion. Mind return value instead of looking
1183 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
1184 call_expr. Move checks for call_expr and current_function_decl ...
1185 (expand_return): ... here.
1187 2000-03-26 Tom Tromey <tromey@cygnus.com>
1189 * gcc.c (handle_braces): Recognize `%{<S}' construct.
1190 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
1192 (process_command): Use them.
1193 (check_live_switch): Likewise.
1194 (give_switch): Skip ignored switches.
1196 2000-03-26 Jan Hubicka <jh@suse.cz>
1198 * jump.c (jump_optimize_1): Fix typo in elide optimizations
1199 for minimal jump pass test.
1201 2000-03-26 Mark Mitchell <mark@codesourcery.com>
1203 * integrate.c (function_cannot_inline_p): Do inline functions that
1206 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1208 * stor-layout.c (layout_type, set_sizetype): early_type_list is
1209 now a list of TREE_LIST entries, not types.
1210 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
1212 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
1213 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
1215 * config/mips/mips.c (function_arg): Likewise; also remove cast
1216 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
1217 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
1218 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
1219 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
1220 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
1221 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
1222 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
1223 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
1224 num_adjusts now unsigned.
1225 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
1226 * config/sparc/sparc.c (struct function_arg_record_value_parms):
1228 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
1229 as is BITPOS variable; use host_integerp and int_bit_position.
1230 (function_arg_record_value_2): Likewise.
1231 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
1232 Variable REGNO now unsigned.
1233 (function_arg_record_value): NREGS now unsigned.
1235 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1237 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
1239 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * Rework fields used to describe positions of bitfields and
1242 modify sizes to be unsigned and use HOST_WIDE_INT.
1243 * alias.c (reg_known_value_size): Now unsigned.
1244 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
1245 (really_start_incremental_init): Use bitsize_zero_node.
1246 (push_init_level, pop_init_level, output_init_element): Likewise.
1247 Use bitsize_unit_node and bitsize_one_node.
1248 (output_pending_init_elements, process_init_element): Likewise.
1249 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
1250 (make_extraction): Position and length HOST_WIDE_INT and unsigned
1251 HOST_WIDE_INT, respectively.
1252 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
1253 (num_sign_bit_copies): Returns unsigned.
1254 BITWIDTH now unsigned; rework arithmetic.
1255 Remove recursive call from arg to MAX.
1256 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
1257 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
1259 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
1260 (find_split_point, expand_compound_operation, make_extraction): LEN
1261 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
1262 (make_field_assignment): Likewise.
1263 (combine_simplify_rtx): Add cast.
1264 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
1265 (force_to_mode): WIDTH now unsigned; add cast.
1266 (if_then_else_cond): SIZE now unsigned.
1267 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
1268 (extended_count): Now returns unsigned.
1269 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
1270 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
1271 (simplify_comparison): MODE_WIDTH now unsigned.
1272 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
1273 (mark_used_regs_combine): Likewise; rework arithmetic.
1274 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
1275 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
1276 (record_promoted_value): REGNO now unsigned.
1277 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
1278 (get_last_value): REGNO now unsigned.
1279 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
1280 (reg_dead_regno, reg_dead_endregno): Now unsigned.
1281 (remove_death): Arg REGNO now unsigned.
1282 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
1283 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
1285 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
1286 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
1287 (struct cse_reg_info): REGNO now unsigned.
1288 (cached_regno): Now unsigned.
1289 (REGNO_QTY_VALID_P): Add cast.
1290 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
1291 (remove_invalid_regs): Likewise.
1292 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
1293 as are variables END and I.
1294 (get_cse_reg_info, insert): Likewise.
1295 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
1296 (canon_hash): Likewise.
1297 (insert_regs, lookup_for_remove): REGNO now unsigned.
1298 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
1300 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
1301 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
1302 * emit-rtl.c (subreg_realpart_p): Add cast.
1303 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
1304 (operand_subword_force): Arg I is now unsigned.
1305 * except.c (eh_regs): Variable I is now unsigned.
1306 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
1307 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
1308 length is unsigned HOST_WIDE_INT; likewise for internal variables.
1309 (store_split_bit_field, extract_fixed_bit_field): Likewise.
1310 (extract_split_bit_field, store_bit_field, extract_bit_field):
1312 * expr.c (store_constructor_fields, store_constructor, store_field):
1313 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
1314 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
1315 (do_jump): Likewise.
1316 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
1317 MAX_SIZE is now unsigned.
1318 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
1319 (emit_group_store): Likewise.
1320 (emit_move_insn): I now unsigned.
1321 (store_constructor): Use host_integerp, tree_low_cst, and
1323 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
1324 Rework all calculations to use trees and new fields.
1325 * expr.h (promoted_input_arg): Regno now unsigned.
1326 (store_bit_field, extract_bit_field): Adjust types of pos and size.
1327 (mark_seen_cases): Arg is HOST_WIDE_INT.
1328 * flow.c (verify_wide_reg_1): REGNO now unsigned.
1329 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
1330 precisions and alignments are unsigned.
1331 (optimize_bit_field_compare, fold_truthop): Likewise.
1332 (int_const_binop): Adjust threshold for size_int_type_wide call.
1333 (fold_convert): Likewise.
1334 (size_int_type_wide): Make table larger and fix thinko that only
1335 had half of table used.
1336 (all_ones_mask_p, fold): Precisions are unsigned.
1337 * function.c (put_reg_info_stack): REGNO is unsigned.
1338 (instantiate_decl): Size is HOST_WIDE_INT.
1339 (instantiate_virtual_regs): I is unsigned.
1340 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
1341 (promoted_input_arg): REGNO is unsigned.
1342 * function.h (struct function): x_max_parm_reg is now unsigned.
1343 * gcse.c (max_gcse_regno): Now unsigned.
1344 (struct null_pointer_info): min_reg and max_reg now unsigned.
1345 (lookup_set, next_set): REGNO arg now unsigned.
1346 (compute_hash_table): REGNO and I now unsigned.
1347 (handle_avail_expr): regnum_for_replacing now unsigned.
1348 (cprop_insn): REGNO now unsigned.
1349 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
1350 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
1351 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
1352 * hard-reg-set.h (reg_class_size): Now unsigned.
1353 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
1354 * jump.c (mark_modified_reg): I now unsigned; add cast.
1355 (rtx_equal_for_thread_p): Add cast.
1356 * loop.c (max_reg_before_loop): Now unsigned.
1357 (struct_movable): REGNO now unsigned.
1358 (try_copy_prop): REGNO arg unsigned.
1359 (regs_match_p): XN and YN now unsigned.
1360 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
1361 (strength_reduce): Likewise; NREGS also unsigned.
1362 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
1363 * loop.h (struct iv_class): REGNO now unsigned.
1364 (max_reg_before_loop, first_increment_giv, last_increment_giv):
1366 * machmode.h (mode_size, mode_unit_size): Now unsigned.
1367 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
1368 * optabs.c (expand_binop): I and NWORDS now unsigned.
1369 (expand_unop): I now unsigned.
1370 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
1371 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
1372 * real.c (significand_size): Now returns unsigned.
1373 * real.h (significand_size): Likewise.
1374 * regclass.c (reg_class_size): Now unsigned.
1375 (choose_hard_reg_mode): Both operands now unsigned.
1376 (record_reg_classes): REGNO and NR now unsigned.
1377 (reg_scan): NREGS now unsigned.
1378 (reg_scan_update): old_max_regno now unsigned.
1379 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
1380 * reload.c (find_valid_class): BEST_SIZE now unsigned.
1381 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
1382 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
1383 Likewise for variable R.
1384 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
1385 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
1386 (find_equiv_reg): Add casts.
1387 (regno_clobbered_p): Arg REGNO now unsigned.
1388 * reload.h (struct reload): NREGS now unsigned.
1389 (refers_to_regno_for_reload_p): Regno args are unsigned.
1390 (regno_clobbered_p): Likewise.
1391 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
1392 (compute_use_by_pseudos): REGNO now unsigned.
1393 (find_reg): I and J now unsigned, new variable K, and change loop
1394 variables accordingly; THIS_NREGS now unsigned.
1395 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
1396 (spill_hard_reg): REGNO arg now unsigned; add casts.
1397 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
1398 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
1399 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
1400 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
1401 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
1402 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
1403 (emit_reload_insns): REGNO now unsigned.
1404 (reload_cse_move2add): Add cast.
1405 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
1407 * resource.c (mark_referenced_resources, mark_set_resources): New
1408 variable R; REGNO and LAST_REGNO now unsigned.
1409 (mark_target_live_regs): J and REGNO now unsigned.
1410 * rtl.c (mode_size, mode_unit_size): Now unsigned.
1411 * rtl.h (union rtunion_def): New field rtuint.
1412 (XCUINT): New macro.
1413 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
1414 (operand_subword, operand_subword_force): Word number is unsigned.
1415 (choose_hard_reg_mode): Operands are unsigned.
1416 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
1417 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
1418 (regno_use_in, combine_instructions, remove_death): Likewise.
1419 (reg_scan, reg_scan_update): Likewise.
1420 (extended_count): Return is unsigned.
1421 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
1422 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
1423 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
1424 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
1425 (reg_reg_last_1): FIRS and LAST now unsigned.
1426 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
1427 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
1429 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
1430 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
1431 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
1432 (replace_regs): Arg NREGS now unsigned.
1433 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
1434 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
1435 (simplify_binary_operation): Likewise.
1436 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
1437 THIS_LAST now unsigned.
1438 (cselib_record_set): Add cast.
1439 * ssa.c (ssa_max_reg_num): Now unsigned.
1440 (rename_block): REGNO now unsigned.
1441 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
1443 (all_cases_count): Just return -1 not -2.
1444 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
1445 Rework tests to use trees whenever possible.
1446 Use host_integerp and tree_low_cst.
1447 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
1448 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
1449 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
1450 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
1451 (smallest_mode_for_size): Likewise.
1452 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
1453 KNOWN_ALIGN is now an alignment, so simplify code.
1454 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
1455 (start_record_layout): Renamed from new_record_layout_info.
1456 Update to new fields.
1457 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
1459 (place_union_field): Renamed from layout_union_field.
1460 Update to use new fields in rli.
1461 (place_field): Renamed from layout_field.
1462 Major rewrite to use new fields in rli; pass alignment to layout_decl.
1463 (finalize_record_size): Rework to use new fields in rli and handle
1465 (compute_record_mode): Rework to simplify and to use new DECL fields.
1466 (finalize_type_size): Make rounding more consistent.
1467 (finish_union_layout): Deleted.
1468 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
1469 (layout_type, case RECORD_TYPE): Call new function names.
1470 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
1471 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
1472 (get_best_mode): UNIT is now unsigned; remove casts.
1473 * tree.c (bit_position): Compute from new fields.
1474 (byte_position, int_byte_position): New functions.
1475 (print_type_hash_statistics): Cast to remove warning.
1476 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
1477 (build_index_type): Likewise; make subtype of sizetype.
1478 (build_index_2_type): Pass sizetype to build_range_type.
1479 (build_common_tree_nodes): Use size_int and bitsize_int to
1480 initialize nodes; add bitsize_{zero,one,unit}_node.
1481 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
1482 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
1483 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
1484 (DECL_FIELD_BITPOS): Deleted.
1485 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
1486 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
1487 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
1488 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
1489 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
1490 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
1491 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
1492 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
1493 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
1494 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
1495 (DECL_ALIGN): Adjust to new field in union.
1496 (DECL_OFFSET_ALIGN): New field.
1497 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
1498 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
1499 (union tree_decl): Add struct for both aligns.
1500 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
1501 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
1502 (struct record_layout_info): Rework fields to have offset
1503 alignment and byte and bit position.
1504 (start_record_layout, place_field): Renamed from old names.
1505 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
1506 (byte_position, int_byte_position): Likewise.
1507 (get_inner_reference): Change types of position and length.
1508 * unroll.c (unroll_loop): New variable R; use for some loops.
1509 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
1510 (calculate_giv_inc): Arg REGNO now unsigned.
1511 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
1512 * varasm.c (assemble_variable): Clean up handling of size using
1513 host_integerp and tree_low_cst.
1514 (decode_addr_const): Use byte, not bit, position.
1515 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
1516 use tree_low_cst and int_bit_position.
1517 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
1519 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
1521 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
1522 (reorder_block_def): New members eff_head and eff_end.
1523 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
1524 (verify_insn_chain): New function.
1525 (skip_insns_between_block): Add code to skip deleted insns.
1526 Check for note before using.
1527 (chain_reorder_blocks): Replace calls to skip_insns_between_block
1528 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
1529 Check for note before using.
1530 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
1531 (fixup_reorder_chain): Restructure, clean up, defect removal.
1532 (reorder_basic_blocks): Remove last_insn and references to it.
1533 Moved insn chain verification code into a new function (see above).
1534 Delete defective code that sets last insn.
1535 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
1538 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1540 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
1542 2000-03-24 Richard Henderson <rth@cygnus.com>
1544 * tree.c (lang_safe_for_unsave): Remove.
1545 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
1546 allowing for two levels of unsafeness. Remove lang hook.
1547 * tree.h: Update declarations.
1548 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
1549 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
1550 Always fail sibcalls when there are pending cleanups.
1552 2000-03-24 Geoff Keating <geoffk@cygnus.com>
1554 * flow.c (propagate_block): When we delete an ADDR_VEC,
1555 also delete the BARRIER following it if there is one.
1557 2000-03-24 Richard Henderson <rth@cygnus.com>
1559 * builtins.c (expand_builtin_bzero): Convert `length' argument
1562 2000-03-24 Jakub Jelinek <jakub@redhat.com>
1564 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
1565 comparison if regno's are equal.
1566 * calls.c (initialize_argument_informat): Add ecf_flags argument.
1567 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
1568 (expand_call): Update caller.
1569 Avoid making a sibling call if argument size of the callee is larger
1570 than argument size of the caller.
1571 Call hard_function_value with outgoing set if in sibcall pass.
1572 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
1574 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
1575 Change LEAF_REGISTERS from an array initializer to actual array
1576 identifier. Move static global variable into the function.
1577 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
1578 sequences for leaf functions.
1579 * global.c (global_alloc): Likewise.
1580 * tm.texi (LEAF_REGISTERS): Update documentation.
1582 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
1583 TARGET_FLAT leaf disabling hack.
1584 (LEAF_REGISTERS): Changed from an array initializer to actual array
1585 identifier to avoid duplication and remove the above hack.
1586 (FUNCTION_OK_FOR_SIBCALL): Define.
1587 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
1588 always like call attribute.
1589 (eligible_for_sibcall_delay): New attribute.
1590 (sibcall): New delay type.
1591 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1592 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
1593 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
1594 * config/sparc/sparc.c (sparc_leaf_regs): New array.
1595 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
1597 (output_function_epilogue): Move part of the code into
1598 output_restore_regs.
1599 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
1601 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
1604 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
1605 until infrastructure is finished.
1607 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
1609 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
1610 (save_parm_insns): Not here.
1612 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1614 * builtins.c (expand_builtin_bzero): New function.
1615 (expand_builtin): Handle bzero.
1617 * builtins.def: Add BUILT_IN_BZERO.
1619 * c-common.c (c_common_nodes_and_builtins): Provide builtin
1620 prototype & function for bzero.
1622 2000-03-23 Michael Meissner <meissner@redhat.com>
1624 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
1625 change adding TARGET_FP to the TF floating point insns, except for
1626 trunctfsf2, which generates direct calls to truncdfsf2.
1628 2000-03-23 Geoff Keating <geoffk@cygnus.com>
1630 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
1631 try to protect against middle-end changes that break binary
1633 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
1635 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1637 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
1639 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1641 * calls.c (expand_call): If TARGET is passed by reference and
1642 is readonly, write a CLOBBER.
1644 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * builtins.c (expand_builtin): Handle bcmp.
1648 * builtins.def: Add BUILT_IN_BCMP.
1650 * c-common.c (c_common_nodes_and_builtins): Provide builtin
1651 prototype & function for bcmp.
1653 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
1655 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
1656 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
1657 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
1659 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
1661 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
1662 alternative when using -fp64 -gp32.
1664 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
1666 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
1667 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
1668 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
1670 * frame.h (frame_state): Revert last change.
1671 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
1672 * libgcc2.c (throw_helper): Revert last change.
1674 2000-03-22 Richard Henderson <rth@cygnus.com>
1676 * stmt.c (expand_asm_operands): Don't promote the temporary.
1678 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1680 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
1681 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
1682 c_get_alias_set): Likewise.
1683 * c-decl.c (duplicate_decls): Likewise.
1684 * c-typeck.c (default_conversion,build_unary_op): Likewise.
1685 * calls.c (initialize_argument_information): Likewise.
1686 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
1688 * dwarfout.c (decl_class_context,output_type): Likewise.
1689 * expr.c (get_inner_reference): Likewise.
1690 * fold-const.c (simple_operand_p,fold): Likewise.
1691 * function.c (aggregate_value_p): Likewise.
1692 * stmt.c (expand_asm_operands): Likewise.
1693 * varasm.c (named_section): Likewise.
1695 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
1697 Implement dwarf2 exception handling for the ARM.
1698 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
1699 (DWARF_FRAME_RETURN_COLUMN): Define.
1700 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
1701 REG_FRAME_RELATED_EXPR note.
1702 (emit_sfm): Likewise.
1703 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
1704 * dwarf2out.c (reg_save): Handle saving a register to itself.
1705 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
1706 * except.c (eh_regs): Don't use the static chain reg if it's
1708 * frame.h (frame_state): Add cfa_saved field.
1709 * frame.c (execute_cfa_insn): Set it.
1710 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
1712 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
1714 (instantiate_virtual_regs): Adjust.
1716 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
1717 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
1718 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
1720 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
1721 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
1723 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1725 * builtins.def: New file.
1727 * Makefile.in (TREE_H): Depend on builtins.def.
1729 * builtins.c (built_in_names): Use builtins.def.
1731 * tree.h (built_in_function): Likewise.
1733 2000-03-22 Mark Mitchell <mark@codesourcery.com>
1735 * tree.c (size_in_bytes): Return size_zero_node, not
1738 2000-03-22 Geoff Keating <geoffk@cygnus.com>
1740 * config/fp-bit.c (pack_d): Correct the case when a denormal
1741 is rounded up and stops being denormal.
1743 2000-03-21 Richard Henderson <rth@cygnus.com>
1745 * config/alpha/alpha.c (function_arg): Check for void_type_node
1746 before using MUST_PASS_IN_STACK.
1748 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
1750 * regmove.c (combine_stack_adjustments_for_block): Check that
1751 the stack pointer is a valid memory address.
1753 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
1755 * calls.c: re-install Mar 16 emit_library_call merge.
1757 2000-03-21 Jakub Jelinek <jakub@redhat.com>
1759 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
1760 we cannot be sure that if reload_completed base register will
1761 be properly aligned.
1763 2000-03-21 Richard Henderson <rth@cygnus.com>
1765 * flow.c (delete_block): Fix typo last change.
1767 2000-03-21 Mark Mitchell <mark@codesourcery.com>
1769 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
1770 not COMPLETE_TYPE_P, to check the type of the expression.
1772 2000-03-21 Michael Meissner <meissner@redhat.com>
1774 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
1775 all floating point insns that just tested the macro
1776 TARGET_HAS_XFLOATING_LIBS.
1777 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
1778 used to only use the gprs.
1780 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
1782 * tree.h (COMPLETE_TYPE_P): New macro.
1783 (COMPLETE_OR_VOID_TYPE_P): New macro.
1784 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
1785 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
1786 * c-aux-info.c (gen_type): Use them.
1787 * c-common.c (c_expand_expr_stmt): Likewise.
1788 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
1789 grokdeclarator, grokparms, finish_struct, start_function,
1790 store_parm_decls, combine_parm_decls): Likewise.
1791 * c-parse.y (cast_expr): Likewise.
1792 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
1793 c_size_in_bytes, c_alignof, build_component_ref,
1794 build_indirect_ref, build_array_ref, convert_arguments,
1795 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
1796 * calls.c (initialize_argument_information): Likewise.
1797 * convert.c (convert_to_integer): Likewise.
1798 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
1799 * dwarfout.c (location_or_const_value_attribute,
1800 output_enumeration_type_die, output_structure_type_die,
1801 output_union_type_die, output_type): Likewise.
1802 * expr.c (safe_from_p, expand_expr): Likewise.
1803 * function.c (assign_parms): Likewise.
1804 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
1805 * tree.c (build_array_type, build_function_type,
1806 build_method_type, build_offset_type, build_complex_type): Likewise.
1807 * c-parse.c, c-parse.h: Regenerated.
1809 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1811 * config/c4x/rtems.h: Include config/rtems.h.
1813 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
1815 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
1816 decl is a FUNCTION_DECL
1818 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
1820 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
1821 function uses output registers. Don't save RP for leaf functions.
1822 Do save RP even if no epilogue.
1823 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
1824 (CALL_USED_REGISTERS): Unmark in registers.
1825 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
1828 2000-03-20 Geoff Keating <geoffk@cygnus.com>
1830 * config/rs6000/rs6000.md (bunordered): New expander.
1831 (bordered): New expander.
1832 (buneq): New expander.
1833 (bunge): New expander.
1834 (bungt): New expander.
1835 (bunle): New expander.
1836 (bunlt): New expander.
1837 (bltgt): New expander.
1839 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
1840 (ccr_bit_negated_p): New function.
1841 (print_operand): For %C, generate appropriate cror for UNEQ,
1842 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
1844 2000-03-20 Andreas Jaeger <aj@suse.de>
1846 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
1849 * tree.h (safe_for_unsave): Prototype.
1851 2000-03-20 Richard Henderson <rth@cygnus.com>
1853 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
1854 (combine_stack_adjustments_for_block): Don't allow sp references
1855 in the side of a set we're not fixing up.
1856 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
1857 after life_analysis.
1859 2000-03-20 Richard Henderson <rth@cygnus.com>
1861 * calls.c (expand_call): Don't bother generating tail call
1862 sequences if there are pending cleanups. Use
1863 expand_start_target_temps/expand_end_target_temps to elide
1864 cleanups created during sibcall expansion.
1866 2000-03-20 Geoff Keating <geoffk@cygnus.com>
1868 * configure.in: Set $IFS to a value if it doesn't already have one
1869 in the --enable-checking handling.
1870 * configure: Regenerate.
1872 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1874 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
1875 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1878 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
1880 * jump.c (delete_noop_moves): Remove code attempting to
1881 combine stack adjustments.
1883 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1885 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
1886 * except.c (emit_cleanup_handler): Use them.
1887 (expand_end_all_catch): Likewise.
1888 * function.c (fixup_var_refs): Likewise.
1889 (expand_function_end): Clear catch_clauses_last.
1890 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
1891 * except.h (struct eh_status): New field x_catch_clauses_last.
1892 (catch_clauses_last): New define.
1894 * Makefile.in (tree.o): Depend on HASHTAB_H.
1895 * tree.c: Include hashtab.h.
1896 (struct type_hash): Remove next field.
1897 (TYPE_HASH_SIZE): Remove.
1898 (TYPE_HASH_INITIAL_SIZE): New define.
1899 (type_hash_table): Change type to htab_t.
1900 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
1901 mark_hash_entry): New functions.
1902 (init_obstacks): Allocate type hash.
1903 (type_hash_lookup): Use htab functions.
1904 (type_hash_add, mark_type_hash): Likewise.
1905 (dump_tree_statistics): Call print_type_hash_statistics.
1907 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1909 * rs6000/t-aix41: New file.
1911 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
1913 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
1915 * tm.texi (Driver): Fix typos and tweak entry for
1917 Move misplaced STRUCT_FORCE_BLK entry ...
1918 (Storage Layout): ... to here.
1919 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
1921 2000-03-19 Richard Henderson <rth@cygnus.com>
1923 * flow.c (delete_block): Delete the addr_vec along with the block.
1924 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
1927 * fold-const.c (extract_muldiv): Apply type check for defined
1928 overflow to multiply as well as divide.
1930 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
1932 2000-03-18 Mark Mitchell <mark@codesourcery.com>
1934 * emit-rtl.c (remove_unncessary_notes): Check that all
1935 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
1936 associated NOTE_BLOCK.
1937 * function.h (identify_blocks): Update comments.
1938 (reorder_blocks): Declare.
1939 * function.c (identify_blocks): Don't take paramters.
1940 (reorder_blocks): Don't take parameters.
1941 * loop.h (find_loop_tree_blocks): Remove.
1942 (unroll_block_trees): Likewise.
1943 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
1944 reorder_blocks instead of unroll_block_trees.h
1945 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
1946 * stmt.c (find_loop_tree_blocks): Remove.
1947 (unroll_block_trees): Likewise.
1948 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
1949 in whole-function mode.
1950 * tree.h (reorder_blocks): Remove declaration.
1952 * expr.c: Include intl.h.
1953 * Makefile.in (expr.o): Depend on intl.h.
1955 2000-03-18 Richard Henderson <rth@cygnus.com>
1957 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
1959 2000-03-18 Mark Mitchell <mark@codesourcery.com>
1961 * tree.h (tree_index): Remove enumerals for integer types.
1962 (integer_type_kind): New type.
1963 (integer_types): New variable.
1964 (char_type_node): Adjust.
1965 (signed_char_type_node): Likewise.
1966 (unsigned_char_type_node): Likewise.
1967 (short_integer_type_node): Likewise.
1968 (short_unsigned_type_node): Likewise.
1969 (integer_type_node): Likewise.
1970 (unsigned_type_node): Likewise.
1971 (long_integer_type_node): Likewise.
1972 (long_unsigned_type_node): Likewise.
1973 (long_long_integer_type_node): Likewise.
1974 (long_long_unsigned_type_node): Likewise.
1975 * tree.c (integer_types): New variable.
1976 (init_obstacks): Register it as a root.
1978 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
1980 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
1981 NEXT_INSN. Update last insn in chain.
1983 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
1985 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
1986 with TYPE_DECL_SUPPRESS_DEBUG set.
1988 2000-03-18 Richard Henderson <rth@cygnus.com>
1990 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
1992 2000-03-18 Richard Henderson <rth@cygnus.com>
1994 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
1995 care for HALF_PIC_P.
1996 (expander_call_insn_operand): Remove.
1997 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
1998 * i386.h (PREDICATE_CODES): Update.
1999 * i386.md (all call expanders): Remove predicates, remove special
2000 handling for half-pic.
2001 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2002 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2003 (sibcall_epilogue): New.
2005 2000-03-17 Richard Henderson <rth@cygnus.com>
2007 * rtlanal.c (single_set): Reject if the parallel has anything
2008 except SET or USE or CLOBBER.
2010 2000-03-17 Jeff Law <law@cygnus.com>
2011 Richard Henderson <rth@cygnus.com>
2013 * Makefile.in (OBJS): Add sibcall.o.
2015 * sibcall.c: New file.
2016 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2017 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2018 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2019 Emit sibcall patterns when requested. Update all callers.
2020 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2021 elimination seems feasable.
2022 * final.c (leaf_function_p): Sibling calls don't discount being
2024 * flow.c (HAVE_sibcall_epilogue): Provide default.
2025 (find_basic_blocks_1): Sibling calls don't throw.
2026 (make_edges): Make edge from sibling call to EXIT.
2027 (propagate_block): Don't remove sibcall_epilogue insns.
2028 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2029 (sibcall_epilogue): New.
2030 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2031 (identify_blocks_1): Likewise. Break out from ...
2032 (identify_blocks): ... here.
2033 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2034 (reorder_blocks): ... here.
2035 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2036 (record_insns): Extend a varray instead of mallocing new memory.
2037 (contains): Read a varray not array of ints.
2038 (sibcall_epilogue_contains): New.
2039 (thread_prologue_and_epilogue_insns): Emit and record
2040 sibcall_epilogue patterns.
2041 (init_function_once): Allocate prologue/epilogue varrays.
2042 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2043 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2045 (save_for_inline_nocopy): ... here.
2046 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2048 (expand_inline_function): ... here.
2049 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2050 (subst_constants): Handle 'n' formats.
2051 * jump.c (jump_optimize_minimal): New.
2052 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2053 optimizations if it's set.
2054 * rtl.c (copy_rtx): Do copy jump & call for insns.
2055 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2056 (SIBLING_CALL_P): New.
2057 (sibcall_use_t): New.
2058 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2059 Invoke optimize_sibling_and_tail_recursive_calls.
2060 * tree.c (lang_safe_for_unsave): New.
2061 (safe_for_unsave): New.
2062 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2064 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2065 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2066 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2068 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2070 * objc/objc-act.c (encode_method_prototype): Pass types, not
2071 PARM_DECLs, to int_size_in_bytes.
2073 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2075 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2077 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2078 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2080 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2082 * Clean up usages of TREE_INT_CST_LOW.
2083 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2084 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2086 * c-tree.h (min_precision): Move declaration to here.
2087 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2088 (build_unary_op, add_pending_init): Use bit_position.
2089 (pending_init_member, process_init_element): Likewise.
2090 (really_start_incremental_init, push_init_level, pop_init_level):
2091 Don't make copies of nodes or modify them in place, use consistent
2092 types when tracking positions, and use tree routines computations.
2093 (set_init_index, output_init_element): Likewise.
2094 (output_pending_init_elements, process_init_element): Likewise.
2095 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2096 tree_low_cst and int_bit_position; also minor cleanup.
2097 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2098 (print_cst_octal): Precision is unsigned.
2099 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2100 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2101 (simple_type_align_in_bits): Result is unsigned int.
2102 Use tree_int_low_cst and host_integerp.
2103 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2104 (field_byte_offset): Result is HOST_WIDE_INT.
2105 Change types of internal variables so alignments are unsigned int,
2106 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2107 Use host_integerp, tree_low_cst, and int_bit_position.
2108 (add_bit_offset_attribute): Likewise.
2109 (add_data_member_location_attribute): Use tree_cst_low.
2110 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2111 (add_bit_size_attribute): Use tree_low_cst.
2112 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2113 * dwarfout.c: Similar changes to dwarf2out.c.
2114 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2115 * genoutput.c (n_occurences): Return -1 for null string.
2116 (strip_whitespace): Accept null string and make into function.
2117 (scan_operands): Reflect above changes.
2118 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2119 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2120 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2121 * tree.c (int_size_in_bytes): Check for too big to represent.
2122 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2123 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2125 (min_precision): Delete from here.
2126 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2127 and int_bit_position.
2128 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2129 (encode_method_def): Likewise.
2130 (build_ivar_list_initializer): Use int_bit_position.
2131 (generate_shared_structures): Convert size.
2132 (encode_type, encode_complete_bitfield): Use integer_zerop.
2133 (encode_bitfield): Use tree_low_cst and int_bit_position.
2135 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2137 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2139 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2141 * call.c (special_function_p): It is only malloc if it returns
2144 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2146 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2147 (C33_FLAG, TARGET_C3X): Add macros.
2148 (TARGET_SWITCHES): Add -m33 option.
2149 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2151 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2153 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2154 (PARALLEL_PACK_FLAG): Delete.
2155 (TARGET_SWITCHES): Update.
2156 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2158 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2160 * fold-const.c (fold): Fix a few cases when the returned result
2161 is not of the same type as the input.
2163 2000-03-16 Nick Clifton <nickc@cygnus.com>
2165 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
2168 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2170 * libgcc2.h: Move prototypes above macros with the same name.
2171 Wrap some function prototypes in the conditional which indicates
2172 whether they are supported, i.e. "BITS_PER_UNIT == 8".
2174 2000-03-16 Richard Henderson <rth@cygnus.com>
2176 * calls.c: Revert last two changes.
2178 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
2180 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
2181 has exponent 0 is a zero.
2183 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
2184 HASH may already be nonzero. Add code/mode into hash value
2185 immediately after repeat label.
2186 (cselib_lookup): Don't leave the hash table in an inconsistent
2187 state before a hash lookup operation.
2189 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
2191 * i386.md (all HI and QI mode non-move patterns): Conditionize
2192 by TARGET_[HQ]IMODE_MATH.
2193 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2194 x86_promote_qi_regs): Declare.
2195 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
2196 TARGET_PROMOTE_QI_REGS): New macros.
2197 (PROMOTE_MODE): New macro.
2198 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2199 x86_promote_qi_regs): New global variables.
2201 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
2203 * calls.c (emit_library_call_value_1): Break out from ...; handle
2204 VOIDmode function calls too.
2205 (emit_library_call_value): ... here.
2206 (emit_library_call): Implement by calling emit_library_call_value_1.
2208 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
2210 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
2211 Update arg_space_so_far on stack adjustments.
2212 (emit_library_call, emit_library_call_value): Likewise; take into
2213 account arg_space_so_far and pending_stack_adjust when calculcating
2216 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
2218 * flow.c: Move all basic block reordering code into its own file.
2219 (create_basic_block): Externalize.
2220 * bb-reorder.c: New file. Copy all basic block reordering code from
2221 flow.c to this file.
2222 (reorder_basic_blocks): Fix fencepost error in for-loop.
2223 (reorder_basic_blocks): Remove braces from single statement for-loops.
2224 * basic-block.h: Add declaration for create_basic_block.
2225 * Makefile.in: Add rules for bb-reorder.o.
2227 2000-03-16 Neil Booth <NeilB@earthling.net>
2229 * cppinit.c (handle_option): Implement #unassert directive
2230 as -A- command line option.
2231 (print_help): Update.
2232 * cpptexi.c: Update.
2234 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
2236 * md.texi (Standard Names): Document `jump'.
2238 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2240 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
2243 2000-03-15 Geoff Keating <geoffk@cygnus.com>
2245 See the ChangeLog on the branch for more details.
2247 * configure.in: Merge in changes from newppc-branch.
2248 * configure: Regenerate.
2249 * config/rs6000/*: Merge in changes from newppc-branch.
2250 Also correct copyright notices.
2252 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
2254 * acconfig.h (HAVE_GAS_WEAK): New define.
2255 * configure.in (assembler weak support): Check for .weak support.
2256 * config.in, configure: Rebuilt.
2257 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
2258 HAVE_GAS_WEAK is defined.
2260 2000-03-15 Nick Clifton <nickc@cygnus.com>
2262 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
2265 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
2267 * cppfiles.c (open_include_file): New function.
2268 (find_include_file, cpp_read_file): Use it.
2270 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2272 * cpphash.c (dump_hash_helper): Take the slot, not the element.
2274 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
2276 * flow.c (verify_flow_info): Check for unconditional return.
2278 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
2280 * config/ia64/ia64.md (restore_stack_nonlocal): New.
2281 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
2282 (__ia64_restore_stack_nonlocal): New.
2283 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
2285 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2287 * cpphash.c (collect_formal_parameters): Do not complain about
2288 parameter names that just start with `__VA_ARGS__'.
2290 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
2292 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
2293 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
2294 * i386.c (pentiumpro_cost): Set mul cost to 4.
2295 (x86_use_movx): Set for PPro.
2297 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
2299 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
2300 STACK_BOUNDARY for empty frames now.
2302 2000-03-14 Mark Mitchell <mark@codesourcery.com>
2304 * stor-layout.c (layout_union): Remove.
2305 (layout_union_field): New function, split out from layout_union.
2306 (finish_union_layout): Likewise.
2307 (layout_field): Handle unions by calling layout_union_field.
2308 (finish_record_layout): Handle unions.
2309 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
2310 QUAL_UNION_TYPE handling.
2312 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
2314 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
2315 end of basic block is jump_insn, not barrier; use create_basic_block
2316 instead of creating basic block by hand.
2318 2000-03-14 Jason Eckhardt <jle@cygnus.com>
2320 * flow.c (reorder_basic_blocks): Account for barriers when writing
2321 over NEXT_INSN (last_bb->end).
2322 (verify_flow_info): Add check for missing barriers.
2324 2000-03-14 Greg McGary <gkm@gnu.org>
2326 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
2327 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
2328 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
2329 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
2330 __unbounded, __unbounded__): New keywords.
2331 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
2332 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2333 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2335 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
2337 * cselib.h: New file.
2338 * alias.c: Include "cselib.h".
2339 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
2340 MEMs as two new arguments.
2341 (get_addr): New static function.
2342 (find_base_term): Handle VALUEs.
2343 (memrefs_conflict_p): Likewise.
2344 (true_dependence): Call get_addr on the addresses.
2345 Call fixed_scalar_and_varying_struct_p with addresses that have been
2346 passed through get_addr and canon_rtx.
2347 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
2348 with true_dependence.
2349 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
2350 * loop.c: Include "cselib.h".
2351 (load_mems): Process extended basic block that enters the loop with
2352 cselib. Use that information to change initialization of the shadow
2353 register so that a constant equivalence is seen by later passes.
2354 * reload1.c: Include "cselib.h".
2355 (reload_cse_invalidate_regno): Delete function.
2356 (reload_cse_mem_conflict_p): Likewise.
2357 (reload_cse_invalidate_mem): Likewise.
2358 (reload_cse_invalidate_rtx): Likewise.
2359 (reload_cse_regno_equal_p): Likewise.
2360 (reload_cse_check_clobber): Likewise.
2361 (reload_cse_record_set): Likewise.
2362 (reg_values): Delete static variable.
2363 (invalidate_regno_rtx): Likewise.
2364 (reload_cse_delete_noop_set): New static function.
2365 (reload_cse_simplify): New static function, broken out of
2367 (reload_cse_noop_set_p): Delete unused argument INSN.
2368 Just call rtx_equal_for_cselib_p on set source and destination.
2369 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
2370 reload_cse_delete_noop_set. Delete code to keep track of values; use
2371 cselib functions instead. Delete code to push/pop obstacks.
2372 (reload_cse_simplify_set): Use cselib to find equivalent values.
2373 Delete code to push/pop obstacks.
2374 (reload_cse_simplify_operands): Likewise.
2375 * rtl.def (VALUE): New rtx code.
2376 * rtl.h (union rtunion_def): New elt rt_cselib.
2377 (X0CSELIB, CSELIB_VAL_PTR): New macros.
2378 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
2379 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
2380 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
2381 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
2382 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
2383 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
2384 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
2385 cselib_record_set, cselib_record_sets): New static functions.
2386 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
2387 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
2388 references_value_p): New functions.
2389 (MAX_USELESS_VALUES, REG_VALUES): New macros.
2390 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
2391 n_useless_values, reg_values, callmem, cselib_obstack,
2392 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
2393 New static variables.
2394 * varray.h (union varray_data_tag): New elt te.
2395 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
2396 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
2399 2000-03-14 Nick Clifton <nickc@cygnus.com>
2401 * gcc.c (do_spec_1): Catch the case where %* is used in a
2402 substitution pattern, but it has not been initialised.
2403 Issue a meaningful error message if an unrecognised operator
2404 is encountered in a spec string.
2406 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
2408 * function.c (prepare_function_start): Correctly initialize
2409 cfun->stack_alignment_needed.
2411 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
2413 * cppfiles.c (find_include_file): Don't assume nshort is a
2416 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
2418 * configure.in (hppa configurations): Add pa32-regs.h to the
2419 list of tm files as appropriate.
2420 * configure: Rebuilt.
2421 * pa.c (compute_frame_size): Remove explicit knowledge about FP
2423 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
2424 (fmpyaddoperands, fmpysuboperands): Likewise.
2425 * pa.h: Remove various definitions which depend on knowing
2426 how registers are numbered.
2427 * pa32-regs.h: New file with PA32 register numbering specific
2430 2000-03-14 Richard Henderson <rth@cygnus.com>
2432 * regmove.c (combine_stack_adjustments): New.
2433 (stack_memref_p, single_set_for_csa): New.
2434 (free_csa_memlist, record_one_stack_memref): New.
2435 (try_apply_stack_adjustment): New.
2436 (combine_stack_adjustments_for_block): New.
2437 * rtl.h (combine_stack_adjustments): Declare.
2438 * toplev.c (rest_of_compilation): Call it.
2440 * i386.md: Revert 2000-01-16 change.
2442 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2444 * gccbug.in: Add web category, gcc specific classes.
2446 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
2448 * stor-layout.c (finalize_record_size): Fix typo.
2450 2000-03-14 Stan Shebs <shebs@apple.com>
2452 * c-typeck.c (c_alignof): Error on incomplete types.
2453 * extend.texi (Alignment): Document this.
2455 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2457 * cppfiles.c: Include mkdeps.h.
2458 (find_include_file, read_include_file): Remove _cpp_ prefix
2459 from name, make static.
2460 (_cpp_execute_include): New function, broken out of
2463 * cpplib.c: Don't include mkdeps.h.
2464 (struct directive): Remove type field. Reorder entries. The
2465 function takes only one argument.
2466 (struct if_stack): Make type field an int.
2467 (directive_table): Rename to dtable. Generate it, the
2468 prototypes of the directive handlers, and the enum for the
2469 directive numbers, from a template macro.
2470 (do_ifndef, do_include_next, do_import): New functions.
2471 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
2472 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
2473 do_ident, do_assert, do_unassert, do_sccs): Take only one
2475 (do_sccs): Define always, but alter behavior based on
2477 (_cpp_handle_directive, consider_directive_while_skipping):
2478 Restructure for new directive table layout.
2480 (pass_thru_directive): Take a directive number, not a pointer
2481 to a struct directive.
2482 (parse_include): New function, broken out of do_include.
2483 (do_include, do_import, do_include_next): Use parse_include
2484 and _cpp_execute_include.
2485 (do_elif, do_else): Test for T_ELSE specifically when checking
2486 for #elif/#else after #else.
2487 (parse_ifdef): New function, broken out of do_ifdef.
2488 (validate_else): Expect a name arg without a leading #.
2489 (if_directive_name): Delete.
2490 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
2491 directive handlers with only one argument.
2493 * cpphash.h: Update prototypes.
2494 (enum node_type): Remove entries for directives.
2495 * Makefile.in: Update dependencies.
2497 * cpphash.c (dump_hash_helper): Only dump nodes of type
2498 T_MACRO. Emit a newline after each definition.
2500 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2502 * gccbug.in: New file.
2503 * configure.in (all_outputs): Add gccbug.
2504 * Makefile.in (install-common): Install gccbug.
2505 (GCCBUG_INSTALL_NAME): New variable.
2506 * configure: Rebuilt.
2508 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
2510 * function.c (put_var_into_stack): Use type_for_mode to calculate
2511 part_type. Use MEM_SET_IN_STRUCT_P.
2512 * expr.c (store_field): Handle CONCAT.
2513 (store_constructor): Use fields_length.
2514 * tree.c (fields_length): New fn.
2515 * tree.h: Declare it.
2517 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2519 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
2520 (cpplex.o): New target.
2521 * po/POTFILES.in: Add cpplex.c.
2523 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
2524 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
2525 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
2526 skip_block_comment, skip_line_comment, skip_comment,
2527 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
2528 _cpp_parse_name, skip_string, parse_string,
2529 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
2530 _cpp_get_directive_token, find_position,
2531 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
2532 (maybe_macroexpand, _cpp_lex_token): New functions.
2534 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
2535 parse_goto_mark): Delete.
2536 (_cpp_handle_eof): New function.
2537 (_cpp_handle_directive): Rename from handle_directive.
2538 (_cpp_output_line_command): Rename from output_line_command.
2539 (do_if, do_elif): Call _cpp_parse_expr directly.
2540 * cppfiles.c (_cpp_read_include_file): Don't call
2541 init_input_buffer here.
2542 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
2543 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
2544 here; pop the token_buffer and skip the rest of the line here.
2545 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
2548 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
2550 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
2551 CPP_GOTO_MARK): New macros.
2552 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
2553 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
2554 _cpp_read_and_prescan, _cpp_init_input_buffer,
2555 _cpp_grow_token_buffer, _cpp_get_directive_token,
2556 _cpp_handle_directive, _cpp_handle_eof,
2557 _cpp_output_line_command): Prototype them here.
2558 * cpplib.h (enum cpp_token): Add CPP_MACRO.
2559 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
2560 quote_string, output_line_command): Remove.
2562 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
2564 * stmt.c (expand_end_case): RANGE may be signed, and when checking
2565 whether it is too large we must also verify that it isn't negative.
2567 2000-03-13 Jakub Jelinek <jakub@redhat.com>
2569 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
2570 (movsi_zero_liveg0): Remove.
2571 (movsf_insn_novis_liveg0): Remove.
2573 (negsi2_not_liveg0): Rename to negsi2.
2574 (one_cmplsi2): Remove.
2575 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
2576 (one_cmplsi2_liveg0): Remove.
2577 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
2578 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
2579 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
2580 (PREDICATE_CODES): Remove zero_operand.
2581 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
2582 TARGET_BROKEN_SAVERESTORE.
2583 (zero_operand): Remove.
2584 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
2585 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
2587 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2588 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
2589 TARGET_BROKEN_SAVERESTORE): Remove.
2590 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2592 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2594 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2597 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
2599 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2601 * cpplib.c (do_pragma_implementation): Fix off-by-one error
2602 truncating a string. Don't assume tokens are nul terminated.
2603 Problem noted by Andreas Jaeger <aj@suse.de>
2605 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
2607 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
2608 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
2609 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
2611 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
2613 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
2614 STRUCTURE_SIZE_BOUNDARY.
2616 2000-03-13 Mark Mitchell <mark@codesourcery.com>
2618 * tree.h (record_layout_info_s): New structure.
2619 (record_layout_info): New type.
2620 (new_record_layout_info): New function.
2621 (layout_field): Likewise.
2622 (finish_record_layout): Likewise.
2623 * stor-layout.c (layout_record): Remove.
2624 (new_record_layout_info): New function.
2625 (layout_field): New function, broken out from layout_record.
2626 (finalize_record_size): Likewise.
2627 (compute_record_mode): Likewise.
2628 (finalize_type_size): New function, broken out from layout_type.
2629 (finish_record_layout): Likewise.
2630 (layout_type): Use them.
2632 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
2634 * cpphash.c: Don't include version.h.
2635 (special_symbol) [case T_VERSION]: Look for the string in
2636 hp->value.cpval; don't use version_string.
2637 * cppinit.c (initialize_builtins): Set hp->value.cpval for
2638 __VERSION__ to version_string.
2639 * Makefile.in (cpphash.o): Update deps.
2641 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
2643 Convert cpplib to use libiberty/hashtab.c.
2645 * cpplib.h (struct cpp_reader): Make hashtab and
2646 all_include_files of type 'struct htab *'. Delete HASHSIZE
2647 and ALL_INCLUDE_HASHSIZE macros.
2649 * cpphash.h: Update prototypes.
2650 (struct hashnode): Remove next, prev, and bucket_hdr members.
2651 Make length a size_t. Add hash member.
2652 (struct ihash): Remove next member. Add hash member. Make
2653 name a flexible array member.
2655 * cppfiles.c: Include hashtab.h.
2656 (include_hash): Delete.
2657 (IHASHSIZE): New macro.
2658 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
2659 (cpp_included): Do the hash lookup here.
2660 (_cpp_find_include_file): Rewrite.
2661 (cpp_read_file): Put the "fake" hash entry into the hash
2662 table. Honor the control_macro, if it turns out we've seen
2663 the file before. Don't push the buffer here.
2664 (_cpp_read_include_file): Push the buffer here.
2665 (OMODES): New macro. Use it whenever we call open(2).
2667 * cpphash.c: Include hashtab.h.
2668 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
2669 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
2670 _cpp_lookup_slot): New functions.
2671 (HASHSIZE): new macro.
2672 (hashf, _cpp_install, _cpp_delete_macro): Delete.
2673 (_cpp_lookup): Use hashtab.h routines.
2675 * cppinit.c: Include hashtab.h.
2676 (cpp_reader_init): Call _cpp_init_macro_hash and
2677 _cpp_init_include_hash. Don't allocate hashtab directly.
2678 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
2679 pfile->all_include_files.
2680 (initialize_builtins): Use _cpp_make_hashnode and
2681 htab_find_slot to add hash entries.
2682 (cpp_finish): Just call _cpp_dump_macro_hash.
2683 * cpplib.c: Include hashtab.h.
2684 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
2685 create hash entries.
2686 (do_pragma_poison, do_assert): Likewise.
2687 (do_include): Don't push the buffer here. Don't increment
2688 system_include_depth unless _cpp_read_include_file succeeds.
2689 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
2691 (do_pragma_implementation): Use alloca to create copy.
2693 * Makefile.in: Update dependencies.
2695 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2697 * cppinit.c (cl_directive_handler): More K&R fixing.
2699 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
2701 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
2703 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
2705 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2707 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
2708 Change from char[] to macros.
2710 2000-03-12 Neil Booth <NeilB@earthling.net>
2712 * cppinit.c (cpp_start_read): Update indirect function
2715 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
2717 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
2720 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2721 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
2723 2000-03-11 Neil Booth <NeilB@earthling.net>
2725 * cppinit.c (struct pending option): Replace undef with a
2726 pointer to a directive handling routine.
2727 (struct cpp_pending): Replace separate assert_ and define_
2728 lists with one directive_ list.
2729 (new_pending_define): Rename new_pending_directive. Extra
2730 argument is the directive's handling routine.
2731 (handle_option): Update to use new_pending_directive.
2733 2000-03-11 Neil Booth <NeilB@earthling.net>
2735 * cppfiles.c (file_cleanup, _cpp_find_include_file,
2736 remap_filename, _cpp_read_include_file, actual_directory,
2737 hack_vms_include_specification): Replace bcopy(), index() etc
2738 calls. Add casts to some allocations. Make some variables
2739 pointers to const [unsigned] char.
2740 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
2741 collect_formal_parameters): Similarly.
2742 * cppinit.c (struct pending_option, append_include_chain,
2743 cpp_options_init, cpp_reader_init, initialize_standard_includes,
2744 cpp_start_read, new_pending_define, handle_option): Similarly.
2745 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
2746 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
2747 do_pragma_implementation, detect_if_not_defined,
2748 do_ifdef, skip_if_group, cpp_get_token, parse_string,
2749 do_assert, do_unassert): Similarly.
2750 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
2751 function prototypes.
2752 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
2754 2000-03-10 Richard Henderson <rth@cygnus.com>
2756 * builtins.c (expand_builtin_strlen): Revert last change.
2757 Use emit_insn_before if we're at the beginning of a sequence.
2759 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
2761 * builtins.c (expand_builtin_strlen): Make sure that we have something
2762 at the beginning of the sequence.
2764 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
2767 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
2769 2000-03-10 Richard Henderson <rth@cygnus.com>
2771 * except.c (can_throw): Use INTVAL on a CONST_INT.
2772 (reachable_handlers): Likewise.
2773 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
2775 2000-03-10 Andreas Jaeger <aj@suse.de>
2777 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
2778 MD_STARTFILE_PREFIX since those are not needed on linux.
2779 (ASM_FILE_START): New, from mips/gnu.h.
2781 2000-03-09 Richard Henderson <rth@cygnus.com>
2782 Alex Samuel <samuel@codesourcery.com> and others
2784 * Makefile.in (ssa.o): New rule.
2786 (STAGESTUFF): Add *.ssa and *.ussa.
2787 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
2788 * rtl.def (PHI): New RTL expression.
2789 * rtl.h (clear_log_links): New declaration.
2790 (convert_to_ssa): Likewise.
2791 (convert_from_ssa): Likewise.
2792 * flow.c (split_edge): If the entry node falls through to the
2793 split edge's source block, split the entry edge.
2794 (clear_log_links): New function.
2795 * toplev.c (ssa_dump): New variable.
2796 (flag_ssa): Likewise.
2797 (f_options): Add "ssa".
2798 (compile_file): Create SSA dump files.
2799 (rest_of_compilation): Go to and from SSA if enabled.
2800 (decide_d_option): Handle -de for SSA dump files.
2803 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
2805 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
2808 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
2810 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
2812 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
2814 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
2815 (MD_STARTFILE_PREFIX_1): New macro.
2817 2000-03-09 Robert Lipe <robertl@sco.com>
2819 * config/ia64/ia64.c: Include system.h.
2821 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
2823 * except.c (nothrow_function_p): If -fno-exceptions, just return.
2824 (init_eh_nesting_info): Likewise.
2826 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
2827 (TREE_NOTHROW): Rename from TREE_RAISES.
2828 * toplev.c (rest_of_compilation): Set it.
2829 * print-tree.c (print_node): Adjust.
2830 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
2831 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
2832 * calls.c (emit_call_1): Add 'nothrow' parm. Add
2833 REG_EH_REGION note as appropriate.
2834 (libfunc_nothrow): New fn.
2835 (emit_library_call, emit_library_call_value): Use it.
2836 (expand_call): Check TREE_NOTHROW.
2838 * varasm.c (make_decl_rtl): Skip initial '*' when setting
2839 DECL_ASSEMBLER_NAME.
2841 2000-03-09 Andreas Jaeger <aj@suse.de>
2843 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
2844 (TARGET_MEM_FUNCTIONS): Define.
2846 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
2848 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
2850 * except.c (can_throw): See through a SEQUENCE.
2851 (nothrow_function_p): New fn.
2852 * except.h: Declare it.
2853 * function.c (current_function_nothrow): New var.
2854 (prepare_function_start): Initialize it.
2855 * output.h: Declare it.
2856 * toplev.c (rest_of_compilation): Set it.
2857 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
2859 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
2861 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
2862 match. (cpp_compare_defs): Count the nul separator when
2863 advancing over argument names.
2865 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
2867 * recog.c (preprocess_constraints): Matching constraints affect
2868 same alternative/different operand, not same operand/different
2871 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
2872 register and a constant specially.
2874 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2876 * libgcc2.h: New file.
2877 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
2879 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
2881 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
2882 * configure: Regenerate.
2885 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
2887 * Makefile.in (LIBCPP_DEPS): New macro.
2888 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
2890 * cpperror.c: Include cpphash.h.
2891 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
2893 (lex): Don't use CPP_WARN_UNDEF.
2894 (_cpp_parse_expr): Return an int, the truth value.
2895 * cppfiles.c: Include cpphash.h.
2896 (_cpp_merge_include_chains): Move to cppinit.c and make static.
2897 * cppinit.c (include_defaults_array): Disentangle.
2898 (cpp_cleanup): Don't free the if stack here.
2899 (cpp_finish): Pop off all buffers, not just one.
2900 * cpplib.c (eval_if_expr): Return int.
2901 (do_xifdef): Rename do_ifdef.
2902 (handle_directive): Don't use CPP_PREPROCESSED.
2903 (cpp_get_token): Don't use CPP_C89.
2904 * fix-header.c: Don't use CPP_OPTIONS.
2906 * cpplib.h: Move U_CHAR, enum node_type, struct
2907 file_name_list, struct ihash, is_idchar, is_idstart,
2908 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
2909 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
2910 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
2911 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
2912 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
2913 of _cpp_simplify_pathname, _cpp_find_include_file,
2914 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
2915 Move struct if_stack to cpplib.c. Move struct cpp_pending to
2917 Change all uses of U_CHAR to be unsigned char instead.
2918 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
2920 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
2922 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
2923 (dwarf2out_begin_prologue): Set it.
2924 (output_call_frame_info): Don't emit EH unwind info for leaves.
2926 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
2927 can occur outside of an EH region.
2928 * except.c: Correct comments about rethrow behavior.
2929 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
2931 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
2933 * flow.c (make_edges): Always call make_eh_edge for calls.
2935 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
2937 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
2938 (struct cpp_buffer): Remove fname and underflow fields.
2939 (struct cpp_reader): Remove get_token field.
2940 (struct include_hash): Rename to struct ihash. Add typedef to
2942 (struct if_stack): Remove fname field.
2943 (IF_STACK_FRAME): Rename to IF_STACK.
2945 * cpperror.c (print_containing_files): Trust that there are no
2946 macro buffers below the top file buffer.
2947 * cppfiles.c: Replace all references to 'struct include_hash'
2948 with 'IHASH'. Rename initialize_input_buffer to
2949 init_input_buffer. Don't set or reference cpp_buffer->fname,
2950 use buffer->ihash->name instead.
2951 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
2952 not CPP_NULL_BUFFER.
2953 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
2954 IF_STACK_FRAME, IHASH not struct include_hash.
2955 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
2956 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
2957 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
2958 references to cpp_buffer->fname (delete entirely, or use
2959 ->ihash->name instead) and IF_STACK->fname.
2960 (cpp_push_buffer): Don't set new->underflow.
2961 (do_include): Use cpp_file_buffer.
2963 * cpphash.c (collect_formal_parameters): Remove duplicate
2964 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
2965 used as a macro argument name. Don't append "..." to namebuf
2966 for varargs macros. After we're done scanning, go through
2967 namebuf and make it NUL separated, not comma separated.
2968 (_cpp_compare_defs): Remove register tag from variables.
2969 Expect defn->argnames to be NUL separated.
2970 (_cpp_dump_definition): Expect defn->argnames to be NUL
2971 separated and in forward order.
2972 * cpphash.h: Update documentation of argnames field.
2974 2000-03-08 Richard Henderson <rth@cygnus.com>
2976 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
2977 to fail. Don't pre-expand the source operand.
2979 * i386.md (strlensi): Initialize eoschar and align before use.
2981 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
2983 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
2984 CONSTRUCTOR element.
2986 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
2988 * mips.c (mips_expand_prologue): If the last
2989 named argument is the vararg marker "va_list", treat it as
2990 an unnamed argument.
2992 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
2994 * dbxout.c (dbxout_parms): When correcting for promoted
2995 big-endian parameters, use the mode of the DECL_RTL rather
2996 than UNITS_PER_WORD.
2998 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
3000 * c-common.h (make_fname_decl): Declare.
3001 * c-common.c (make_fname_decl): Define.
3002 (declare_hidden_char_array): Remove.
3003 (declare_function_name): Use make_fname_decl.
3004 * c-decl.c (c_make_fname_decl): New function.
3005 (init_decl_processing): Set make_fname_decl.
3007 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
3009 * cccp.c (handle_directive): Initialize backslash_newlines_p.
3011 2000-03-07 Philipp Thomas <pthomas@suse.de>
3013 * po/POTFILES.in: Remove cppalloc.c from file list.
3015 2000-03-07 Steve Chamberlain <sac@pobox.com>
3017 * pj.c (pj_expand_prologue): current_function->args_info is
3018 now current_function_args_info.
3020 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
3021 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
3022 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
3024 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3026 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
3027 output as hexadecimal rather than the default octal.
3029 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3031 * cpphash.c (special_symbol): Fix thinko in previous commit.
3033 2000-03-07 Neil Booth <NeilB@earthling.net>
3035 * cppexp.c (struct operation, left_shift, right_shift,
3036 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
3037 "int"s to "unsigned int"s.
3038 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
3040 * cpplib.h: Update for above.
3041 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
3042 returned from allocations.
3044 * cppinit.c (opt_comp, parse_options): New functions.
3045 (handle_option): Use parse_option to parse a single command
3046 line option, that possibly takes an argument.
3047 (cpp_handle_options): Sort the array of command line options on
3048 first invocation (non-ASCII hosts only).
3049 (print_help): Update.
3051 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3053 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
3054 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
3056 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
3058 * cppinit.c (cpp_cleanup): Free imp->nshort also.
3060 * cpperror.c (cpp_print_containing_files,
3061 cpp_print_file_and_line, v_cpp_message): Rename to
3062 print_containing_files, print_file_and_line, and v_message.
3063 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
3064 to _cpp_parse_expr, parse_escape, and lex.
3065 (parse_charconst): Remove broken multibyte support.
3066 * cppfiles.c (include_hash): Make static.
3067 (cpp_included): New function.
3068 (merge_include_chains, find_include_file, finclude,
3069 simplify_pathname): Rename to _cpp_merge_include_chains,
3070 _cpp_find_include_file, _cpp_read_include_file, and
3071 _cpp_simplify_pathname.
3072 * cpphash.c (cpp_lookup, free_definition, delete_macro,
3073 cpp_install, create_definition, macroexpand, compare_defs,
3074 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
3075 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
3076 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
3077 * cppinit.c (cpp_handle_option): Rename to handle_option, make
3079 * cpplib.c: Remove extern prototype of cpp_parse_expr.
3081 * cpphash.h: Update prototypes.
3082 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
3084 2000-03-07 Andrew Haley <aph@cygnus.com>
3086 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
3087 PTRDIFF_TYPE should be based solely on Pmode.
3090 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3092 * rtl.h (rtunion_def): Constify member `rtstr'.
3093 (emit_line_note_after, emit_line_note, emit_line_note_force,
3094 emit_note, decode_asm_operands): Constify.
3096 * cse.c (canon_hash): Likewise.
3098 * dbxout.c (dbxout_block): Likewise.
3100 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
3101 v_warning_for_asm): Likewise.
3103 * dwarfout.c (function_start_label): Likewise.
3105 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
3106 emit_line_note_force): Likewise.
3108 * final.c (last_filename, asm_insn_count, final_scan_insn,
3109 output_source_line): Likewise.
3111 * function.h (struct emit_status): Likewise.
3113 * gcse.c (hash_expr_1): Likewise.
3115 * genattr.c (gen_attr, main): Likewise.
3117 * genattrtab.c (struct function_unit, current_alternative_string,
3118 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
3119 attr_numeral, check_attr_test, check_attr_value,
3120 convert_set_attr_alternative, convert_set_attr,
3121 compute_alternative_mask, simplify_by_exploding, gen_attr,
3122 gen_unit): Likewise.
3124 * genflags.c (gen_insn): Likewise.
3126 * gengenrtl.c (type_from_format): Likewise.
3128 * genopinit.c (gen_insn): Likewise.
3130 * genoutput.c (n_occurrences, process_template, process_template):
3133 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3136 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3139 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
3140 ggc_set_mark, ggc_get_size): Likewise.
3142 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
3144 * optabs.c (init_one_libfunc): Likewise.
3146 * output.h (assemble_start_function): Likewise.
3148 * recog.c (decode_asm_operands): Likewise.
3150 * toplev.c (rest_of_compilation): Likewise.
3152 * tree.h (emit_line_note_after, emit_line_note,
3153 emit_line_note_force): Likewise.
3155 * varasm.c (asm_output_bss, asm_output_aligned_bss,
3156 asm_emit_uninitialised, assemble_start_function,
3157 assemble_variable, const_hash, compare_constant_1,
3158 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
3160 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
3162 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
3164 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
3166 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
3168 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
3169 arm_dllimport_name_p): Likewise.
3171 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
3174 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
3176 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3178 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
3179 arm_mark_dllexport, arm_mark_dllimport,
3180 arm_pe_encode_section_info): Likewise.
3182 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
3183 ASM_FINISH_DECLARE_OBJECT): Likewise.
3185 * arm/thumb.c (thumb_function_prologue): Likewise.
3187 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
3189 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3191 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
3193 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
3195 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3197 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3199 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
3200 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
3202 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
3204 * i386/i386.c (asm_output_function_prefix): Likewise.
3206 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
3208 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3210 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
3212 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
3213 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
3214 ASM_OUTPUT_SECTION_NAME): Likewise.
3216 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
3218 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
3220 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
3222 * m32r/m32r.c (m32r_encode_section_info): Likewise.
3224 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3226 * mcore/mcore.c (mcore_encode_section_info): Likewise.
3228 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3230 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3232 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3234 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
3236 * mips/mips.md (movdi, movsi): Likewise.
3238 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3240 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3242 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3244 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3245 ASM_OUTPUT_ASCII): Likewise.
3247 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
3248 output_mi_thunk, output_toc): Likewise.
3250 * rs6000/rs6000.md (movsi): Likewise.
3252 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
3254 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
3256 * v850/v850.c (print_operand, print_operand_address,
3257 v850_encode_data_area): Likewise.
3259 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
3261 * config/mips/mips.md (zero_extendsidi2): Always force operand
3262 one to memory for mips16.
3264 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3266 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
3267 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
3268 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
3269 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
3270 (min_precision): Result is unsigned.
3271 (add_double, neg_double, mul_double): Low word is unsigned.
3272 (lshift_double, rshift_double, lrotate_double): Likewise.
3273 (rrotate_double, div_and_round_double): Likewise.
3274 (tree_floor_log2, compare_tree_int): New functions.
3275 (preserve_rtl_expr_temps): New declaration.
3276 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
3277 (decl_attributes): Use tree_log2 to find alignment.
3278 Check for TREE_INT_CST_HIGH for format args.
3279 (min_precision): Now unsigned.
3280 Use tree_floor_log2.
3281 (truthvalue_conversion): Delete long-disabled code.
3282 * c-decl.c (finish_struct): Clean up tests on field width.
3283 (finish_function): Use compare_tree_int.
3284 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
3285 * c-typeck.c (comptypes): Use tree_int_cst_equal.
3286 (default_conversion, digest_init): Use compare_tree_int.
3287 (build_binary_op): Use integer_all_onesp and compare_tree_int.
3288 Fix type errors in forming masks.
3289 * calls.c (initialize_argument_information): Use compare_tree_int.
3290 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3291 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
3292 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
3293 (store_field): Use compare_tree_int.
3294 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
3295 (expand_expr, case ARRAY_REF): Use compare_tree_int.
3296 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
3297 (do_store_flag): Use compare_tree_int.
3298 * fold-const.c (encode, decode): Low part is always unsigned.
3299 (force_fit_type, add_double, neg_double, mul_double): Likewise.
3300 (lshift_double, rshift_double, lrotate_double): Likewise.
3301 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
3302 (fold_convert): Use compare_tree_int.
3303 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
3304 (invert_truthvalue, case INTEGER_CST): Likewise.
3305 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
3306 * mkdeps.c (deps_dummy_targets): Make I unsigned.
3307 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
3308 (lshift_double, rshift_double, lrotate_double, rrotate_double):
3310 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
3311 (expand_end_case): Use compare_tree_int.
3312 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3313 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
3314 (layout_decl): Likewise.
3315 (layout_record, layout_union): Make sizes unsigned.
3316 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
3317 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
3318 * tree.c (struct type_hash): hashcode is unsigned.
3319 (build_type_attribute_variant, type_hash_list): Likewise.
3320 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
3321 (attribute_hash_list, build_array_type, build_method_type): Likewise.
3322 (build_complex_type): Likewise.
3323 (real_value_from_int_cst): Remove unneeded casts.
3324 (integer_all_onesp): Add casts.
3325 (tree_floor_log2, compare_tree_int): New functions.
3326 (build_index_type): Use tree_int_cst_sgn.
3327 * varasm.c (assemble_variable): Use compare_tree_int.
3329 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
3331 * cpphash.c (collect_expansion): Also catch ## at start of macro.
3333 * varasm.c (make_decl_rtl): Don't add a number to members of
3335 (make_function_rtl): Likewise.
3337 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3339 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
3340 patch from 2000-01-28.
3342 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
3344 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
3345 filled with an insn from the jump target.
3347 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3349 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
3350 (c4x_external_ref): Likewise.
3351 * config/c4x/c4x.c (struct name_list): Likewise.
3353 1999-12-16 Ben Collins <bcollins@debian.org>
3355 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
3356 argument to genmultilib.
3357 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
3358 the contents into the multilib.h header.
3359 * gcc.c: Declare multilib_exclusions for the specs file.
3360 (set_multilib_dir): Use it.
3361 (print_multilib_info): Likewise.
3362 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
3363 to pass to genmultilib.
3365 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3367 * builtins.c (built_in_class_names, built_in_names): Constify a
3370 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
3372 (_mcleanup): Ensure value matches format specifier in sprintf.
3374 * cpphash.c (special_symbol): Don't needlessly cast away
3377 * cppinit.c (base_name): Delete unused prototype.
3379 * mkdeps.c (deps_init): Make definition K&R safe.
3381 * tree.h (built_in_class_names, built_in_names): Constify a
3384 2000-03-06 Jakub Jelinek <jakub@redhat.com>
3386 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
3387 floating point instructions for epilogue delay.
3389 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
3390 to gas if it supports .register pseudo.
3392 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
3393 LONG_DOUBLE_TYPE_SIZE if not defined.
3394 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
3395 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
3397 * gengenrtl.c: Likewise.
3398 * print-rtl.c: Likewise.
3400 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
3401 MASK_LONG_DOUBLE_128.
3402 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
3403 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
3404 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
3405 (SUBTARGET_SWITCHES): Define.
3406 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
3407 with -mlong-double-128.
3408 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3409 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3410 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3411 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
3412 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
3413 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
3414 with -mlong-double-128.
3415 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3416 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3417 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3418 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
3419 TARGET_LONG_DOUBLE_128): Define.
3420 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
3421 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
3422 long double on TARGET_ARCH64.
3424 2000-03-06 Mark Mitchell <mark@codesourcery.com>
3426 * function.c (free_temps_for_rtl_expr): Don't free slots
3427 that have been pushed into a higher level.
3430 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3432 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3434 * basic-block.h (ALLOCA_REG_SET): Remove.
3435 (INITIALIZE_REG_SET): New macro.
3436 * flow.c (update_life_info): Use it.
3437 (calculate_global_regs_live): Likewise.
3438 (propagate_block): Likewise.
3439 * global.c (build_insn_chain): Likewise.
3440 * haifa-sched.c (schedule_region): Likewise.
3442 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
3444 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
3445 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
3446 (DWARF_ARANGES_PAD_SIZE): New define.
3447 (output_aranges): Use it to pad the address range header.
3448 (DWARF_ROUND): Fix for non power of 2 rounding.
3450 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
3452 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
3454 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3456 * tree.def (RTL_EXPR): Update documentation.
3457 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
3458 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
3459 * function.c (preserve_rtl_expr_temp): New function.
3460 (preserve_rtl_expr_temps): Likewise.
3461 (preserve_rtl_expr_result): Use it.
3464 2000-03-04 Mark Mitchell <mark@codesourcery.com>
3466 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
3468 * regmove.c (copy_src_to_dest) Do not create src->dest move
3469 for unchanging destination.
3471 2000-03-04 Mark Mitchell <mark@codesourcery.com>
3473 * function.h (struct sequence_stack): Remove rtl_expr.
3474 (struct emit_staus): Likewise.
3475 (seq_rtl_expr): Remove.
3476 * tree.h (free_temps_for_rtl_expr): Don't declare.
3477 (start_sequence_for_rtl_expr): Likewise.
3478 * rtl.h (preserve_rtl_expr_result): Likewise.
3479 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
3480 (start_sequence_for_rtl_expr): Remove.
3481 (push_topmost_sequence): Don't save sequence_rtl_expr.
3482 (pop_topmost_sequence): Remove comment about not restoring it.
3483 (end_sequence): Don't set seq_rtl_expr.
3484 (init_emit): Don't initialize it.
3485 (mark_sequence_stack): Don't mark it.
3486 (mark_emit_status): Likewise.
3487 * except.c (protect_with_terminate): Use
3488 start_sequence_for_rtl_expr, not start_sequence.
3489 * expr.c (expand_expr, case RTL_EXPR): Don't call
3490 preserve_rtl_expr_result or free_temps_for_rtl_expr.
3491 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
3492 (preserve_rtl_expr_result): Remove.
3493 (free_temps_for_rtl_expr): Likewise.
3494 (pop_temp_slots): Likewise.
3495 (mark_temp_slot): Don't mark the rtl_expr.
3496 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
3497 start_sequence_for_rtl_expr.
3499 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
3501 * mkdeps.c, mkdeps.h: New files.
3502 * po/POTFILES.in: Add them.
3503 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
3504 (cpplib.o, cppinit.o): Depend on mkdeps.h.
3505 (mkdeps.o): New target.
3507 * cppfiles.c: Delete deps_output.
3508 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
3509 OBJECT_SUFFIX, and base_name.
3510 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
3512 (initialize_dependency_output): Use deps_init,
3513 deps_add_target, deps_calc_target, and deps_add_dep. Remove
3514 all the unnecessary string bashing.
3515 (cpp_finish): Use deps_write. Remove an unnecessary nesting
3517 * cpplib.c (do_include): Use deps_add_dep.
3518 * cpplib.h (struct cpp_reader): Replace deps_buffer,
3519 deps_allocated_size, deps_size, deps_column members with
3520 single pointer to a struct deps. Delete prototype of
3523 * cppinit.c: Fix thinko in previous patch.
3525 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3527 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
3528 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
3529 (mode_for_size_tree): New function.
3530 (layout_decl, layout_type): Call it and clean up BLKmode checks.
3531 * tree.h (mode_for_size_tree): New declaration.
3533 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
3535 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
3537 * stmt.c (is_body_block): Move...
3538 * dwarfout.c, dwarf2out.c: ...from here.
3539 * tree.h: Declare it.
3540 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
3541 * final.c (final_start_function): Do call remove_unnecessary_notes
3544 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
3546 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
3548 * cpplib.h (_dollar_ok): New macro.
3549 (is_idchar, is_idstart): Use it.
3550 (IStable): Rename to _cpp_IStable. Declare it const if
3551 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
3552 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
3553 is_space): Update for renamed IStable.
3555 * cppinit.c: Delete all references to FAKE_CONST and CAT
3556 macros. Define init_IStable as empty macro if gcc >=2.7 or
3557 C99. Change TABLE() to ISTABLE and hardcode name of table.
3558 (cpp_start_read): Don't change the IStable based on
3561 * cpphash.c (unsafe_chars): Add pfile argument. All callers
3562 changed. Handle '$' for char1 correctly.
3563 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
3565 * cppexp.c (tokentab2): Make const.
3566 (cpp_lex): Make toktab const.
3567 * cppinit.c (include_defaults_array): Make const.
3568 (initialize_standard_includes): Make default_include const.
3570 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
3572 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
3573 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
3574 (gen_decl_die): Likewise.
3575 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
3576 (output_decl): Likewise.
3578 * varasm.c (make_function_rtl): If we change the name used in the
3579 rtl, update DECL_ASSEMBLER_NAME accordingly.
3580 (make_decl_rtl): Likewise.
3582 * toplev.c (rest_of_compilation): Tweak formatting.
3584 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
3585 remove_unnecessary_notes.
3586 (debug_ignore_block): New fn.
3587 * toplev.h: Declare it.
3588 * emit-rtl.c (remove_unncessary_notes): Call it.
3589 * dwarf2out.c (dwarf2out_ignore_block): New fn.
3590 * dwarf2out.h: Declare it.
3591 * final.c (final_start_function): Don't call remove_unnecessary_notes
3592 if we did insn scheduling.
3594 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
3596 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
3597 * cpplib.h: Delete SET_CPP_PEDANTIC.
3599 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3601 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
3602 result is a RECORD_TYPE.
3604 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
3606 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
3608 2000-03-03 Richard Henderson <rth@cygnus.com>
3610 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
3611 addition over compliments over shifts.
3613 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3615 * reload1.c (reload_combine_note_use): Handle return register USEs.
3616 REG case: Handle multi-hard-register hard regs.
3618 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3620 * md.texi: Document use of '*' in insn pattern name.
3622 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
3624 * calls.c (special_function_p): operator new may not be malloc-like.
3626 * gcse.c (dump_hash_table): Really fix error in last change.
3628 2000-03-02 Denis Chertykov <denisc@overta.ru>
3630 * avr.c (print_operand): Use print_operand_address instead of
3632 * avr/libgcc.S: Cleanup code.
3634 2000-03-02 Richard Henderson <rth@cygnus.com>
3636 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
3638 2000-03-02 Mark Mitchell <mark@codesourcery.com>
3640 * tree.h (TYPE_ALIGN_UNIT): New macro.
3642 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
3644 * i386.c: (constant_call_address_operand): Reject CONST_INT.
3646 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
3648 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
3650 (SET_CPP_PEDANTIC): New macro.
3651 * cpplib.c (do_include): Don't bother checking system_header_p.
3652 (do_warning, do_ident, do_assert, do_unassert): Likewise.
3653 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
3655 * function.h (struct expr_status): Add x_arg_space_so_far.
3656 (arg_space_so_far): New macro.
3657 * expr.c (init_expr): Initialize it.
3658 * calls.c (emit_call_1): Reset it.
3659 (compute_argument_block_size, expand_call): Use it.
3660 (expand_call, store_one_arg): Increment it.
3662 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3664 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
3667 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
3669 * cppfiles.c (cpp_read_file): New function.
3671 * cpphash.c (collect_expansion): Make sure to reset last_token
3672 to NORM when we hit a string. Handle trailing whitespace
3673 properly when the expansion is empty.
3674 (create_definition): Disable line commands while parsing the
3676 (dump_definition): If pfile->lineno == 0, output a line
3677 command ahead of the dump, and add a trailing newline.
3679 * cppinit.c (append_include_chain): Add fifth argument, which
3680 indicates whether or not system headers are C++ aware.
3681 (initialize_standard_includes): New function,
3682 broken out of read_and_prescan. Pass 'cxx_aware' value from
3683 the include_defaults_array on to append_include_chain.
3684 (dump_special_to_buffer): Const-ify char array.
3685 (builtin_array): Don't dump __BASE_FILE__.
3686 (cpp_start_read): Use cpp_read_file. Reorder code for
3687 clarity. Don't output line commands here for -D/-A/-U
3688 switches. Don't call deps_output for files included with
3689 -include or -imacros.
3691 * cpplib.c (do_define): Don't pay any attention to the second
3693 (cpp_expand_to_buffer): Disable line commands while scanning.
3694 (output_line_command): Work in the file buffer.
3695 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
3696 Fix formatting of comments. Prototype cpp_read_file.
3698 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3700 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
3701 reference the language-equivalent of sizetype.
3702 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
3703 * fold-const.c (size_binop, size_diffop): Put back checks.
3704 * gcse.c (dump_hash_table): Fix minor error in last change.
3705 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
3706 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
3709 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
3711 * calls.c (expand_call) Do not attempt to combine stack adjustments
3712 with inhibit_defer_pop set.
3714 2000-03-01 Mark Mitchell <mark@codesourcery.com>
3716 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
3717 the DECL_SIZE for a FIELD_DECL.
3719 2000-03-01 Bruce Korb <bkorb@gnu.org>
3721 * fixinc/inclhack.tpl: remove unused symlinks
3722 * fixinc/README: GCC Maintainer info
3723 * fixinc/inclhack.sh: regen
3724 * fixinc/fixincl.sh: regen
3726 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
3728 * cpphash.c (collect_expansion): Trim trailing white space
3729 from macro definitions, but don't go past the last insertion
3732 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
3734 * i386.md (mulqi3): New pattern.
3736 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
3738 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
3740 (struct cpp_reader): Add parsing_if_directive and
3741 parsing_define_directive flags.
3742 (struct cpp_options): Remove output_conditionals flag.
3743 (check_macro_name): Delete prototype.
3745 * cpphash.h (struct macrodef): Delete.
3746 (struct reflist): Separate from struct definition.
3747 (struct definition): Remove unused fields. Add column number.
3748 (create_definition): Returns a DEFINITION *. Takes a
3749 cpp_reader * and an int.
3751 * cpphash.c (SKIP_WHITE_SPACE): Delete.
3752 (PEEKC): Copy defn from cpplib.c.
3753 (rest_extension, REST_EXTENSION_LENGTH): Delete.
3755 (struct arglist): Simplify.
3756 (collect_expansion): Rewrite. Get tokens by calling
3757 cpp_get_token. Add more error checking.
3758 (collect_formal_parameters): New function, broken out of
3759 create_definition and reworked to use get_directive_token.
3760 (create_definition): All real work is now in collect_expansion
3761 and collect_formal_parameters. do_define handles finding the
3762 macro name. Return a DEFINITION, not a MACRODEF.
3763 (macroexpand): Replace bcopy with memcpy throughout. Replace
3764 character-at-a-time copy loop with memcpy and pointer increments.
3765 (compare-defs): d1->argnames / d2->argnames might be null.
3767 * cpplib.c (copy_rest_of_line): Delete function.
3768 (skip_rest_of_line): Do all the work ourselves.
3769 (skip_string): New function.
3770 (parse_string): Use skip_string.
3771 (get_macro_name): New function.
3772 (check_macro_name): Delete.
3773 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
3774 (cpp_skip_hspace): Use CPP_BUMP_LINE.
3775 (handle_directive): ICE if we're called on a macro buffer.
3776 (do_define): Determine macro name and type (funlike/objlike)
3777 here. Expunge all uses of MACRODEF.
3778 (cpp_push_buffer): Set line_base to NULL.
3779 (do_undef, read_line_number): Don't worry about getting a POP token.
3780 (eval_if_expression): Set/reset parsing_if_directive around
3781 cpp_parse_expr. Don't clear only_seen_white.
3782 (skip_if_group): Remove output_conditionals logic. Use
3784 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
3785 tokens under appropriate conditions.
3786 (cpp_unassert): Call do_unassert not do_assert. Oops.
3788 * cppexp.c (parse_defined): New function, break out of
3790 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
3791 ourselves, with cpp_defined.
3792 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
3794 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
3795 * gcc.dg/strpaste-2.c: New.
3797 2000-02-29 Mark Mitchell <mark@codesourcery.com>
3799 * fold-const.c (size_binop): Don't asert inputs are the same and
3800 have TYPE_IS_SIZETYPE set.
3801 (size_diffop): Likewise.
3803 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
3805 * dwarfout.c (output_block): Output abstract blocks even if they
3806 don't have TREE_ASM_WRITTEN set.
3808 * calls.c (emit_library_call): Check for null REG.
3810 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
3812 * c-decl.c (current_function_decl): Move to toplev.c.
3813 (init_decl_processing): Don't add current_function_decl as a ggc
3815 * dbxout.c (dbxout_symbol): Change return type to int.
3816 (dbxout_symbol_location, dbxout_syms): Likewise.
3817 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
3818 any locals. Use current_function_func_begin_label if set.
3819 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
3820 * dwarf2out.c (dwarf2out_begin_prologue): Set
3821 current_function_func_begin_label.
3822 * final.c (final_start_function): Reset it.
3823 * toplev.c (current_function_decl): Define it here.
3824 (current_function_func_begin_label): New variable.
3825 (main): Add both as ggc roots.
3826 * tree.h (current_function_func_begin_label): Declare.
3828 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3830 * gcse.c: Cleanups throughout: mostly white-space, but also
3831 some minor rearrangement of code.
3833 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
3835 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
3836 returns a PARALLEL. Use emit_group_load and use_group_regs
3838 (emit_library_call_value): Similarly.
3840 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
3841 * pa/quadlib.asm: Remove.
3842 * pa/quadlib.c: New file.
3844 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
3845 * configure: Rebuilt.
3847 2000-02-29 Philip Blundell <pb@futuretv.com>
3849 * config/arm/conix-elf.h: New file.
3850 * configure.in (arm*-*-conix*): New configuration.
3851 * configure: Regenerate.
3853 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
3855 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
3856 don't have TREE_ASM_WRITTEN set.
3858 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3860 * Eliminate DECL_FIELD_SIZE.
3861 * builtins.c (built_in_class_names, built_in_names): New variables.
3862 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
3863 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
3864 DECL_SIZE, not DECL_FIELD_SIZE.
3865 * print-tree.c (print_node): Remove code that prints extra blank
3866 lines in some cases.
3867 Properly handle inline and builtin function cases.
3868 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
3869 * tree.h (built_in_class_named, built_in_names): New declarations.
3870 (union tree_decl): Rename internal unions to u1 and u2 and change
3871 some of their components.
3872 Add new field built_in_class.
3873 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
3874 Reflect above changes.
3875 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
3876 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
3877 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
3878 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
3880 2000-02-28 Dmitri Makarov <dim@windriver.com>
3882 * extend.texi: Document ARM's support for long/short calls.
3884 * invoke.texi: Document ARM's -mlong-calls command line switch.
3886 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
3887 (arm_encode_call_attribute): Add prototype.
3888 (arm_set_default_type_attribute): Add prototype.
3889 (arm_strip_name_encoding): Add prototype.
3891 * config/arm/arm.c (arm_init_cumulative_args): replace
3892 initialisation og 'long_calls' field with initialisation of
3893 'call_cookie' field.
3894 (enum arm_pragma_enum): New enum.
3895 (arm_pragma_long_calls): New static variable.
3896 (arm_process_pragma): Also process "#pragma long_calls_off".
3897 (arm_valid_type_attribute_p): Accept short_call attribute.
3898 (arm_comp_type_attributes): Check long/short call attributes.
3899 (arm_encode_call_attribute): New function: Encode long_call
3900 or short_call attribute in function name.
3901 (arm_set_default_type_attributes): New function: Assign
3902 default attributes to newly defined type.
3903 (current_file_function_operand): New function: Return true if
3904 the symbol is a function which has already been compiled.
3905 (arm_is_longcall_p): New function: Return true if the
3906 indicated function should be called via a long call.
3907 (arm_get_strip_length): New function. Returns number of
3908 prefix characters to be stripped from a function's name.
3909 (arm_strip_name_encoding): New function. Strip prefix characters
3910 from a function's name.
3912 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
3914 (SHORT_CALL_FAG_CHAR): Define.
3915 (LONG_CALL_FAG_CHAR): Define.
3916 (ENCODED_SHORT_CALL_ATTR_P): Define.
3917 (ENCODED_LONG_CALL_ATTR_P): Define.
3918 (ARM_NAME_ENCODING_LENGTHS): Define.
3919 (STRIP_NAME_ENCODING): Define.
3920 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
3921 (ARM_ENCODE_CALL_TYPE): Define.
3922 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
3923 (ARM_DECLARE_FUNCTION_SIZE): Define.
3924 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
3926 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
3927 if a long call is needed.
3928 (call_value): Ditto.
3929 (call_symbol): Ditto.
3931 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
3932 ARM_DECLARE_FUNCTION_SIZE.
3934 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
3935 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
3936 (ARM_STRIP_NAME_ENCODING): Undefine.
3937 (STRIP_NAME_ENCODING): Undefine.
3938 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
3939 (ASM_DECLARE_FUNCTION_NAME): Ditto.
3940 (ASM_OUTPUT_COMMON): Ditto.
3941 (ASM_DECLARE_OBJECT_NAME): Ditto.
3943 * config/arm/pe.c (arm_dllexport_name_p): Check for
3945 (arm_dllimport_name_p): Ditto.
3946 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
3947 (arm_mark_dllimport): Ditto.
3949 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3951 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
3953 2000-02-28 Mark Mitchell <mark@codesourcery.com>
3955 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
3957 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
3959 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
3960 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
3961 NO_BUILTIN_WCHAR_TYPE is not defined.
3962 (CPP_WCHAR_TYPE): Delete.
3963 * cccp.c (main): Don't change wchar_type if cplusplus.
3964 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
3966 2000-02-28 Nick Clifton <nickc@cygnus.com>
3968 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
3970 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
3972 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
3973 (ASM_WEAKEN_LABEL): Define.
3975 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
3977 * expr.c (store_constructor): Do not emit USE.
3978 * rtl.h (stupid_life_analysis): Remove.
3980 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3982 * function.c (number_blocks): Reset next_block_index based on
3983 what debugging format is used, not what is defined.
3985 * lcm.c: Minor reformatting throughout.
3986 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
3988 * toplev.c (rest_of_compilation): Account for time in
3989 optimize_mode_switching.
3991 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
3992 if only marking labels.
3994 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
3996 * calls.c (expand_call): Attempt to combine stack adjustments with
3997 pending stack adjustments.
3999 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4001 * loop.c (reg_in_basic_block_p): Don't abort when falling through
4002 to the end of the function.
4004 2000-02-27 Mark Mitchell <mark@codesourcery.com>
4006 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
4008 * final.c (next_block_index): Remove.
4009 (max_block_depth): Likewise.
4010 (pending_blocks): Likewise.
4011 (init_final): Don't initialize them.
4012 (final_start_function): Don't set next_block_index. Set up
4014 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
4015 * function.h (number_blocks): New function.
4016 * function.c (get_block_vector): New function.
4017 (identify_blocks): Use it.
4018 (reorder_blocks): Set NOTE_BLOCK.
4019 (number_blocks): New function.
4020 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
4021 * tree.h (BLOCK_NUMBER): New macro.
4022 (tree_block): Add block_num field.
4023 * dbxout.c (next_block_number): Remove.
4024 (dbxout_init): Don't set it.
4025 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
4026 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
4028 * toplev.c (rest_of_compilation): Always call
4029 find_loop_tree_blocks. Fix indentation.
4030 * dwarf2out.c (next_block_number): Remove.
4031 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4032 to determine block numbers.
4033 (gen_inlined_subroutine_die): Likewise.
4034 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
4035 (decls_for_scope): Don't increment next_block_number.
4036 * dwarfout.c (next_block_number): Remove.
4037 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4038 to determine block numbers.
4039 (output_inlined_subroutine_die): Likewise.
4040 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
4041 (output_decls_for_scope): Don't increment next_block_number.
4042 * sdbout.c (next_block_number): Remove.
4043 (sdbout_block): Use BLOCK_NUMBER.
4044 (sdbout_begin_block): Simplify.
4045 * xcoffout.c (next_block_number): Remove.
4046 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
4047 (xcoffout_begin_block): Don't set next_block_number.
4048 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
4051 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4053 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
4054 (expand_builtin_strcpy): Pass correct type to size_binop.
4055 (expand_builtin_strcmp): Likewise.
4056 Clean up conditional structure.
4057 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
4058 (complete_array_type): Don't use size_binop for MAXINDEX.
4059 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
4060 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
4061 (c_alignof): Use size_one_node.
4062 (build_unary_op): Pass arg of proper type to size_binop.
4063 (really_start_incremental_init, push_init_level): Use sizetype for
4064 constructor{,_bit,_unfilled}_index.
4065 (pop_init_label, output_init_element): Likewise.
4066 (output_pending_init_elements, process_init_element): Likewise.
4067 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
4068 * expr.c (store_expr): Use size_int.
4069 (store_constructor): Use proper types for size_binop args.
4070 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
4071 (expand_expr_unaligned): Likewise.
4072 (string_contant): Return object of sizetype.
4073 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
4074 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
4075 (ARGS_SIZE_TREE): Pass proper types to size_binop.
4076 * fold-const.c (int_const_binop): Refine when size_int is called.
4077 (fold_convert): Likewise.
4078 (size_int_wide): Rework to take KIND as arg, only take low order
4079 bits, handle new sizetype_tab datatype, and chain entries in
4081 (size_int_type_wide): New function.
4082 (size_binop): Validate types of arguments.
4083 (ssize_binop): Deleted.
4084 (size_diffop): New function.
4085 (extract_muldiv): Only fold division into multiplication for sizetypes.
4086 * function.c (assign_parms): Use size_diffop and make sure
4087 VAR field is of ssizetype; also pass proper type to size_binop.
4088 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
4089 (round_down): Deleted from here.
4090 * store-layout.c (sizetype_tab): Now an array.
4091 (sizetype_set, early_root_list): New variables.
4092 (variable_size): Use size_one_node.
4093 (round_up): Pass proper type to size_binop.
4094 (round_down): Moved to here and corrected as above.
4095 (layout_record): Pass proper arg types to size_binop.
4096 (layout_type): Likewise.
4097 If sizetype_set is zero, record the type just laid out.
4098 (make_unsigned_type): Don't call set_sizetype;
4099 (make_signed_type): Likewise; also, call fixup_signed_type.
4100 (initialize_sizetypes): New function.
4101 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
4102 set name of bitsizetype to "bit_size_type".
4103 Fix up type of sizes of all types made before call.
4104 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
4105 * tree.c (fix_sizetype): Deleted.
4106 (build_common_tree_nodes): Call initialize_sizetypes.
4107 (build_common_tree_nodes_2): Don't call fix_sizetype.
4108 * tree.h (TYPE_IS_SIZETYPE): New macro.
4109 (initialize_sizetype): New declaration.
4110 (enum size_type_kind): New type.
4111 (struct sizetype_tab): Deleted.
4112 (sizetype_tab): Now array; adjust sizetype macros.
4113 (size_diffop, size_int_type_wide): New functions.
4114 (size_int_wide): Change number of args and type; access macros changed.
4115 (ssize_int, sbitsize_int): New macros.
4116 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
4117 (ROUND_TYPE_SIZE_UNIT): New macro.
4119 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
4121 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
4123 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4125 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
4126 Mark as possibly unused.
4128 * cse.c (cse_insn): Delete dead code involving tablejump.
4129 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
4131 * Makefile.in (libcpp.a): Start by deleting it.
4133 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4135 * cpplib.h (enum file_change_code): Added rename_file.
4136 * cpplib.c (do_line): If a filename is given, set file_change to
4138 (output_line_command): If file_change is rename_file, always
4139 output a # directive with the file name.
4141 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
4143 2000-02-26 Mark Mitchell <mark@codesourcery.com>
4145 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
4146 when copying a PARM_DECL or RESULT_DECL.
4148 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4150 * fix-header.c (recognized_function): Also fix prototypes for
4151 functions taking "void".
4153 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4155 * reload1.c (do_output_reload): Check reg_reloaded_valid before
4156 looking at reg_reloaded_contents.
4158 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
4160 * Makefile.in (STMP_FIXINC): New toggle.
4161 (LIBGCC2_DEPS): Delete all references.
4162 (stmp-headers): Delete target. All references either deleted
4163 or changed to stmp-int-headers.
4164 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
4165 (LIBCPP_OBJS): Take out cppalloc.o.
4166 (cppalloc.o): Delete target.
4167 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
4168 (gen-protos, fix-header): Link with libiberty.a.
4169 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
4172 * configure.in: Remove refs to strerror.
4173 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
4174 * system.h: Take out strerror stanza.
4176 * cpperror.c (my_strerror): Delete function.
4177 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
4178 * cppmain.c (main): Call xmalloc_set_program_name first thing.
4179 * cppalloc.c: Delete file.
4180 * gen-protos.c: Don't provide xrealloc.
4182 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
4183 xstrerror throughout.
4185 2000-02-26 Bruce Korb <bkorb@gnu.org>
4187 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
4188 match for DOS headers, too.
4189 * fixinc/inclhack.sh,fixincl.x: Regenerate.
4191 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4193 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
4194 is right for most ELF targets.
4195 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
4196 Let the default file use %U properly.
4197 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
4200 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
4203 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4205 * toplev.c (documented_lang_options): Correct spelling error.
4206 (decode_d_option, decode_f_option, main): Likewise.
4208 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
4210 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
4211 to tell assembler it is permitted to expand large constants.
4213 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
4215 * protoize.c: (AUX_INFO_SUFFIX): New macro.
4216 (aux_info_suffix): Use.
4217 (SAVE_SUFFIX): New macro.
4219 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
4220 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
4221 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
4223 * invoke.texi (Running Protoize): Update documentation.
4225 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
4227 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
4229 2000-02-25 John Wehle (john@feith.com)
4231 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
4233 2000-02-25 Anthony Green <green@cygnus.com>
4235 * toplev.c (rest_of_compilation): Rebuild jump labels if
4236 combine_instructions has created a new direct jump.
4237 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
4239 (combine_instructions): Call try_combine with new argument.
4240 Return non-null value when new direct jump instruction is created.
4241 * rtl.h: combine_instructions returns an int.
4243 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
4245 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
4246 jump when changing a computed jump into a jump to a known
4249 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
4251 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
4252 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
4254 * i386.md (define_expand "clrstrsi"): Fix typo.
4256 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
4258 * rtl.texi: Fix typo.
4260 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4262 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4263 UNITS_PER_WORD. Change caller initial_elimination_offset.
4264 (rounded_frame_size): Take into account that argument pushed has
4265 changed. Fix TARGET_ALIGN_DOUBLE problem.
4267 2000-02-25 Geoff Keating <geoffk@cygnus.com>
4269 * haifa-sched.c (schedule_block): Explain the real reason
4270 we delete REG_SAVE_NOTEs on the first insn of a block.
4271 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
4273 2000-02-24 Mark Mitchell <mark@codesourcery.com>
4275 * input.h (push_srcloc): New function.
4276 (pop_srcloc): Likewise.
4277 * toplev.c (push_srcloc): Define it.
4278 (pop_srcloc): Likewise.
4280 2000-02-24 Richard Henderson <rth@cygnus.com>
4282 * flow.c (life_analysis): When collecting reg info, clear
4285 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4287 Fix bug exposed by reload.c no longer rounding the frame
4288 size to BIGGEST_ALIGNMENT:
4289 * sh.c (rounded_frame_size): New function.
4290 (sh_expand_prologue, sh_expand_epilogue): Use it.
4291 (initial_elimination_offset): Likewise.
4293 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4295 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
4296 * sh-protos.h (sh_need_epilogue): Declare.
4297 * sh.c (sh_need_epilogue_known): New static variable.
4298 (sh_need_epilogue): New function.
4299 (function_epilogue): Clear need_epilogue_known.
4300 * sh.md (return): Split into expander / insn pattern.
4301 Make the expander conditional on ! sh_need_epilogue ().
4303 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
4305 * machmode.h (get_mode_alignment): Declare.
4306 (GET_MODE_ALIGNMENT): Call it.
4307 * stor-layout.c (get_mode_alignment): New function. Make
4308 sure alignment is always power of 2.
4310 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4312 * i386.h: Remove useless definition of "I386" and misleading
4315 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4317 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
4318 under which TREE_PERMANENT will be set.
4319 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
4320 build1): Use TREE_SET_PERMANENT.
4321 * print-tree.c (print_node): Don't report value of
4322 TREE_PERMANENT if ggc_p is true.
4324 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
4325 decide whether to give a type a new alias set.
4326 * objc/objc-act.c (build_objc_string_object): Never copy the string.
4327 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
4328 of value of 'obstack'.
4331 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4333 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
4335 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4337 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
4338 * cpplib.c (cpp_get_token): Produce them.
4339 * cppexp.c (cpp_lex): Handle them.
4341 2000-02-23 Nick Clifton <nickc@cygnus.com>
4343 * config/arm/arm.c (arm_comp_type_attributes): Simply and
4344 comment tests on type attributes.
4346 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4348 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
4349 conform to documentation.
4350 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
4351 to check for special cases.
4352 * sh-protos.h (sh_loop_align): Declare.
4353 * sh.c (sh_loop_align): Define.
4355 2000-02-22 Andrew Haley <aph@cygnus.com>
4357 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
4358 (SIZE_TYPE): Is 32 bits when using -mgp32.
4359 (PTRDIFF_TYPE): Ditto.
4361 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4363 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
4365 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4367 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
4368 BIGGEST_FIELD_ALIGNMENT a constant.
4370 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
4372 * dwarf2out.c (output_line_info): Put the marker for the end of
4373 the line number info at the actual end.
4374 (gen_struct_or_union_type_die): Use decl_function_context
4375 to check for local classes.
4376 * dwarfout.c (output_type): Likewise.
4378 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
4380 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
4381 for arguments with a mode, but no type.
4382 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
4383 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
4384 * pa/long_double.h: New file.
4385 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
4386 both have 128bit wide long doubles.
4387 * configure: Rebuilt.
4389 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4391 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
4393 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
4394 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
4395 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
4397 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
4399 * integrate.c (compare_blocks, find_block): Likewise.
4401 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
4403 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
4405 * stmt.c (stmt_status, set_file_and_line_for_stmt,
4406 expand_asm_operands): Likewise.
4408 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
4410 * predict.c (estimate_probability): Added the pointer heuristic to
4411 the collection of static branch predictors.
4413 2000-02-21 Catherine Moore <clm@cygnus.com>
4415 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
4416 * invoke.texi (-mfix7000): Document.
4418 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
4420 * diagnostic.c (init_output_buffer): Make it possible to output at
4421 least 32 characters if we're given a too long prefix.
4423 2000-02-20 Mark Mitchell <mark@codesourcery.com>
4425 * varasm.c (initializer_constant_valid_p): Call
4426 lang_expand_constant to simplify the constant.
4428 2000-02-20 Bruce Korb <bkorb@gnu.org>
4430 * fixinc/inclhack.def(stdio_va_list):
4431 typedef needs to be disabled.
4432 * fixinc/inclhack.sh: regen
4433 * fixinc/fixincl.x: regen
4435 2000-02-20 Geoff Keating <geoffk@cygnus.com>
4437 * print-rtl.c (print_rtx): Don't print addresses when
4438 flag_dump_unnumbered.
4440 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4442 * sparc.c (sparc_output_scratch_registers): Mark parameter with
4444 (sparc_va_arg, sparc_flat_output_function_prologue,
4445 sparc_flat_output_function_epilogue): Cast value to unsigned in
4447 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
4449 * sparc.md: Add default case in switch.
4451 2000-02-19 Richard Henderson <rth@cygnus.com>
4453 * c-typeck.c (add_pending_init): Don't abort for multiple
4454 fields at the same offset.
4455 (pending_init_member): Test the correct member.
4457 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4459 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
4461 (start_catch_handler) : Same.
4463 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
4465 * Makefile.in: Have flow.o depend on $(EXPR_H)
4467 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4469 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
4470 * c-decl.c (duplicate_decls, finish_enum): Likewise.
4471 (finish_decl): Remove -Wlarger-than code from here.
4472 * flags.h (id_clash_len): Now int.
4473 (larger_than_size): Now HOST_WIDE_INT.
4474 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
4475 Clean up checking to see if in table.
4476 (make_bit_field_ref): Remove extra parm to bitsize_int.
4477 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
4478 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
4479 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
4480 and for computing size of decl.
4481 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
4482 Move -Wlarger-than code to here.
4483 (layout_record): Remove extra arg to bitsize_int.
4484 Set TYPE_BINFO_SIZE_UNIT.
4485 (layout_union): Remove extra arg to bitsize_int.
4486 Use proper type for size of QUAL_UNION.
4487 (layout_type): Remove extra arg to bitsize_int.
4488 * toplev.c (id_clash_len): Now int.
4489 (larger_than_size): Now HOST_WIDE_INT.
4490 (decode_W_option): Clean up id-clash and larger-than- cases.
4491 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
4492 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
4493 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
4494 (struct tree_decl): New field size_unit.
4495 (size_int_wide): No HIGH operand; NUMBER is now signed.
4496 (size_int_2): Deleted.
4497 (size_int, bitsize_int): Don't use it and rework args.
4498 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
4500 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
4502 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
4504 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4506 * invoke.texi (Warning Options): Add an explanation of why
4507 you might want the -Wfloat-equal flag.
4509 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4511 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
4512 * cppinit.c (new_pending_define): Add cast to avoid warning.
4513 * expmed.c (extract_bit_field): Likewise.
4514 * flow.c (enum reorder_skip_type): New type.
4515 (skip_insns_between_blcok): New it.
4516 Rework to avoid warning about possibly undefined variable.
4517 * function.c (assign_parms): Make thisparm_boundary unsigned.
4518 * genrecog.c (write_switch): Cast XWINT result to int.
4519 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
4520 * mips-tfile.c (init_file): Make two versions of FDR intializer:
4521 one for MIPS and one for Alpha.
4522 (get_tag, copy_object): Add casts to avoid warnings.
4523 * optabs.c (init_one_libfunc): Cast NAME to (char *).
4524 * reload.c (find_reloads): Make TYPE enum reload_type.
4525 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
4526 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
4527 * varasm.c (compare_constant_1): Add cast to avoid warning.
4528 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
4530 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
4531 Cast switch operand of size to int.
4532 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
4533 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
4536 2000-02-18 Nick Clifton <nickc@cygnus.com>
4538 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
4539 anything for an alignment of zero.
4541 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
4542 anything for an alignment of zero.
4544 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
4546 * gcc.texi (Bug Reporting): Refer to bugs.html.
4547 (Bug Lists): Likewise.
4548 * system.h (GCCBUGURL): New preprocessor define.
4549 * rtl.c (fancy_abort): Use it.
4550 * gcc.c (main): Likewise.
4552 2000-02-18 Richard Henderson <rth@cygnus.com>
4554 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
4555 (life_analysis_1): Subsume into ...
4556 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
4557 Use update_life_info for the relaxation.
4558 (update_life_info): Update REG_BASIC_BLOCK for registers live on
4559 entry and regs_live_at_setjmp.
4560 (set_noop_p): Simplify.
4561 (notice_stack_pointer_modification_1): Renamed from s/_1//.
4562 (record_volatile_insns): Split into ...
4563 (delete_noop_moves): ... here,
4564 (notice_stack_pointer_modification): ... here,
4565 (insn_dead_p): ... and here.
4566 (propagate_block): Don't query INSN_VOLATILE.
4567 (mark_used_regs): Mind !PROP_REG_INFO.
4568 * toplev.c (rest_of_compilation): Call mark_constant_function here,
4569 not in life_analysis.
4571 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
4573 * loop.c (canonicalize_condition): New function,
4574 broken out of get_condition.
4575 (get_condition): Use it.
4576 * expr.h (canonicalize_condition): Prototype it.
4578 * tree.h (tree_int_cst_msb): Declare.
4579 * tree.c (tree_int_cst_msb): New function.
4581 2000-02-17 Mark Mitchell <mark@codesourcery.com>
4583 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
4586 * invoke.texi (-fmessage-length=n): Document.
4588 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
4590 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
4592 2000-02-17 Mark Mitchell <mark@codesourcery.com>
4594 * function.c (thread_prologue_and_epilogue_insns): Put a line note
4597 2000-02-17 Nick Clifton <nickc@cygnus.com>
4599 * config/arm/thumb.c: Replace includes of system headers with
4600 #include "system.h".
4602 2000-02-16 Richard Henderson <rth@cygnus.com>
4604 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
4605 Add crtbeginS.o and crtendS.o.
4606 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
4607 (ENDFILE_SPEC): Use crtendS.o.
4608 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
4610 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
4611 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
4613 (__dso_handle): New variable.
4614 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
4615 bias to __CTOR_END__.
4617 2000-02-16 Richard Henderson <rth@cygnus.com>
4619 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
4621 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
4623 * longlong.h (__clz_tab): Declare as static to match definition.
4625 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
4626 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
4627 (XREF_FILE_NAME): Define.
4629 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
4630 (EH_FRAME_SECTION_ASM_OP): Define.
4631 (IDENT_ASM_OP): Define.
4632 (TEXT_SECTION_ASM_OP): Define.
4634 (CTORS_SECTION_ASM_OP): Define.
4635 (CTOR_SECTION_FUNCTION): Use it.
4636 (DTORS_SECTION_ASM_OP): Define.
4637 (DTOR_SECTION_FUNCTION): Use it.
4639 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
4641 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
4644 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
4645 debug_bb_n): New functions.
4646 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
4647 * basic-block.h: Prototype new functions.
4649 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
4651 * configure.in: Add support for avr target.
4652 * configure: Rebuilt.
4654 * invoke.texi: Add AVR invocation docs.
4655 * install.texi: Add information about AVR.
4656 * md.texi: Add AVR constraint letters description.
4657 * extend.texi: Add description for AVR specific attributes.
4659 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
4661 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
4663 2000-02-16 Nick Clifton <nickc@cygnus.com>
4665 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
4666 (make_insn_raw): Move RTL check here.
4668 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4670 * version.c: Include gansidecl.h and version.h.
4672 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
4674 * configure.in (gcc_version): When setting, narrow search to
4675 lines containing `version_string'.
4677 * Makefile.in (mainversion): Likewise.
4678 (GCC_H): New variable.
4679 (gcc.h): Delete target.
4680 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
4681 (version.o): Depend on version.h.
4682 (dbxout.o): Don't depend on gcc.h.
4684 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
4685 Michael Meissner <meissner@cygnus.com>
4687 * md.texi (Simple Constraints): Add item about whitespace.
4688 * genoutput.c (strip_whitespace): New.
4689 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
4690 strip_whitespace for constraints.
4691 Test pointer using NULL, not 0.
4693 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4695 * cpplib.c (do_line): Pedwarn for #line > 32767.
4697 * c-lex.c (readescape): Warn about '\x', but do not reject it.
4699 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
4701 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
4702 to default cpp spec.
4703 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
4704 * cpp.texi: Document __GNUC_PATCHLEVEL__.
4707 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
4710 2000-02-15 Denis Chertykov <denisc@overta.ru>
4712 * configure.in: Add support for avr target.
4714 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4716 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
4717 (sh_addr_diff_vec_mode): Don't declare.
4718 * sh.c (sh_addr_diff_vec_mode): Delete.
4720 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4722 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
4724 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4726 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
4727 (smulsi3_highpart_i): Name.
4728 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
4729 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
4730 (smulsi3_highpart, umulsi3_highpart): Likewise.
4732 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
4733 correctly independent of endianness.
4734 (mulsidi3, umulsidi3): Now define_insn. Hide details that
4735 confuse the optimizers.
4736 (mulsidi3+1, umulsidi3+1): New define_split.
4738 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
4740 * config/sh/sh.md: Guard insn splits against illegal registers.
4741 * config/sh/sh.h: Correct comment about macros.
4743 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4744 Andrew MacLeod <amacleod@cygnus.com>
4746 * Makefile.in (lcm.o): Depend on insn-attr.h.
4747 * basic-block.h (optimize_mode_switching): Declare.
4748 * lcm.c (tm_p.h, insn-attr.h): #include.
4749 (seginfo, bb_info): New structs.
4750 (antic, transp, comp, delete, insert) : New file-scope static variables.
4751 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
4752 (reg_becomes_live, optimize_mode_switching): Likewise.
4753 * tm.texi: Add description of mode switching macros.
4754 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
4756 * sh-protos.h (remove_dead_before_cse): Remove prototype.
4757 (fldi_ok, fpscr_set_from_mem): New prototypes.
4758 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
4759 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
4760 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
4761 (sh_flag_remove_dead_before_cse): Remove declaration.
4762 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
4763 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
4764 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
4765 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
4766 (barrier_align): Allow for JUMP_INSNS containing a parallel.
4767 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
4768 (fldi_ok): New function.
4769 (get_fpscr_rtx): Add fpscr_rtx as GC root.
4770 (emit_sf_insn): Only generate fpu switches when optimize < 1.
4771 (emit_df_insn): Likewise.
4772 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
4773 (sh_flag_remove_dead_before_cse): Delete.
4774 (get_free_reg, fpscr_set_from_mem): New functions.
4775 * sh.md (movdf, movsf): Remove no_new_pseudos code.
4776 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
4778 2000-02-15 Loren Rittle <ljrittle@acm.org>
4780 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
4782 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4784 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
4785 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
4787 * cccp.c: Include version.h and/or don't declare `version_string'.
4788 * collect2.c: Likewise.
4789 * alpha.c: Likewise.
4790 * arm/aof.h: Likewise.
4791 * arm/coff.h: Likewise.
4792 * arm/elf.h: Likewise.
4793 * arm/pe.h: Likewise.
4794 * arm/tcoff.h: Likewise.
4795 * arm/telf.h: Likewise.
4796 * arm/tpe.h: Likewise.
4797 * arm/vxarm.h: Likewise.
4798 * convex/convex.c: Likewise.
4799 * i386/dgux.c: Likewise.
4800 * i386/sun386.h: Likewise.
4801 * m88k/m88k.c: Likewise.
4802 * mcore/mcore-pe.h: Likewise.
4803 * mips/mips.h: Likewise.
4804 * romp/romp.h: Likewise.
4805 * sh/sh.c: Likewise.
4806 * cpphash.c: Likewise.
4807 * cppinit.c: Likewise.
4808 * dwarf2out.c: Likewise.
4809 * dwarfout.c: Likewise.
4812 * mips-tfile.c: Likewise.
4813 * protoize.c: Likewise.
4814 * toplev.c: Likewise.
4817 * version.c (version_string): Constify a char*.
4819 * version.h: New file.
4821 2000-02-14 Nick Clifton <nickc@cygnus.com>
4823 * configure.in: Add mcore-elf and mcore-pe targets.
4824 * configure: Regenerate.
4826 * NEWS: Add note that MCore port has been contributed.
4828 * invoke.texi: Document command line switches for MCore port.
4829 * install.texi: Add MCore to list of supported targets.
4831 2000-02-14 Geoff Keating <geoffk@cygnus.com>
4833 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
4834 then we will need to import the frame handling functions.
4835 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
4836 to import the frames themselves.
4838 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
4839 Jason Eckhardt <jle@cygnus.com>
4841 * basic_block.h: Added prototype for reorder_basic_blocks.
4842 * toplev.c: Changes to add -freorder-blocks and graph dump after
4843 block reordering is done.
4844 * flow.c (reorder_block_def): New structure for use during block
4846 (REORDER_BLOCK_*): New macros to access members of above structure.
4847 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
4848 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
4849 functions for block reordering.
4851 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
4853 * gcc.texi (Passes): Fix typo.
4854 * md.texi (Standard Names): Ditto.
4855 * tm.texi (Storage Layout): Ditto.
4857 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
4859 * cpplib.c (do_define): Only free the old definition if it
4862 2000-02-13 Neil Booth <NeilB@earthling.net>
4864 * cppfiles.c (read_and_prescan): When emitting deferred
4865 newlines, test speccase[] again instead of checking each
4866 possible whitespace character in turn. When we encounter \r,
4867 look behind for \n first, then ahead.
4869 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
4871 * cse.c (cse_altered): New internal flag.
4872 (cse_insn): Set it if we changed an insn.
4873 (cse_main): Clear cse_altered before each basic block.
4874 Only garbage collect if cse_altered is true afterward.
4876 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4878 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
4880 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
4882 * combine.c (simplify_comparison): Fix typo.
4884 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
4886 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
4889 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4891 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
4892 previously inserted node instead of root node. Caller changed.
4894 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4896 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
4898 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4900 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
4901 __dereg_frame_dtor): Add prototype argument.
4903 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
4905 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
4907 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
4909 * gthr-vxworks.h (__gthread_once): Likewise.
4911 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
4913 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
4915 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
4916 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
4917 stack pointer in functions w/o saved registers, output LEAVE more often
4918 on TARGET_USE_LEAVE machines.
4920 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
4922 * config/arm/arm.c (arm_init_cumulative_args); New function:
4923 Initlaise the CUMULATIE_ARGS strcuture for a function
4925 (arm_function_arg): New function: Determine where to place a
4926 function's argument. Also handles deciding the function's
4928 (current_file_function_operand): New function: Return true if
4929 the symbol is a function which has already been compiled.
4930 (arm_is_long_call_p): New function: Return true if the
4931 indicated function should be called via a long call.
4932 (arm_valid_type_attribute_p): New function: Return true if the
4933 attribute is a valid, arm specific, attribute.
4934 (arm_comp_type_attribute): New function: Return true if the
4935 two types have compatable, arm specific, attributes.
4937 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
4939 (FUNCTION_ARG): Redefine to call arm_function_arg.
4940 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
4942 (INIT_CUMULATIVE_ARGS): Redefine to call
4943 arm_init_cumulative_args.
4944 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
4946 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
4948 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
4950 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
4951 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
4952 (COMP_TYPE_ATTRIBUTES): Define.
4954 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
4955 if a long call is needed.
4956 (call_value): Call arm_is_long_call_p to decide if a long call
4958 (call_symbol): Call arm_is_long_call_p to decide if a long call
4961 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
4963 2000-02-11 Denis Chertykov <denisc@overta.ru>
4965 * README.AVR: New file with information about the avr ports.
4966 * config/avr: New directory with avr port files.
4968 2000-02-11 Andreas Jaeger <aj@suse.de>
4970 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
4972 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
4974 * cpphash.c: Fix formatting, update commentary.
4975 (dump_definition): Take three separate arguments instead of a
4976 MACRODEF structure argument.
4977 * cpphash.h: Update prototype of dump_definition.
4978 * cppinit.c (cpp_finish): Update call of dump_definition.
4980 * cpplib.c (do_define): Always create new hash entry with
4981 T_MACRO type. Remove redundant check for redefinition of
4982 poisoned identifier. Update call of dump_definition.
4983 (do_undef): Don't call check_macro_name. Rename sym_length to
4985 (do_error, do_warning): Don't use copy_rest_of_line or
4987 (do_warning): Don't use pedwarn for the actual warning,
4988 only the notice about its not being in the standard. (Fixes
4989 bug with #warning in system headers.)
4990 (do_ident): Stricter argument checking - accept only a single
4991 string after #ident. Also, macro-expand the line.
4992 (do_xifdef): Use cpp_defined. De-obfuscate.
4994 (do_pragma): Split out specific pragma handling to separate
4995 functions. Use get_directive_token. Update commentary. Do
4996 not pass on #pragma once or #pragma poison to the front end.
4997 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
4998 do_pragma_default): New.
5000 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
5002 * jump.c (jump_optimize_1): The first operand in a relational
5004 * optabs.c (emit_conditional_move): Handle relationals which
5005 have a known true/false result.
5007 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5009 * function.c (thread_prologue_and_epilogue_insns): Don't insert
5010 a RETURN insn into a block which already ends with a jump.
5012 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5014 * haifa-sched.c (BUF_LEN): Increase a lot.
5016 2000-02-11 Nick Clifton <nickc@cygnus.com>
5018 * configure.in: Add tm_p_file specification for thumb targets.
5019 * configure: Regenerate.
5021 * config/arm/thumb-protos.h: New file: Prototypes for exported
5022 functions defined in thumb.c.
5024 2000-02-11 Robert Lipe <robertl@sco.com>
5026 * Makefile.in (bootstrap-lean): Remove additional files.
5027 (bootstrap2-lean): Likewise.
5028 (VOL_FILES): List of files for above.
5030 2000-02-11 Nathan Sidwell <nathan@acm.org>
5032 * cpphash.c (special_symbol): Remove spurious argument to
5035 2000-02-11 Joel Sherrill (joel@OARcorp.com>
5037 * configure.in: (i*86-*-rtems*): Swapped elf and coff
5039 * configure: Rebuilt.
5041 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
5043 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
5045 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
5047 * pa.c, pa.h: Remove trigraph sequences within comments.
5049 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
5051 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5053 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
5055 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
5057 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5059 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
5061 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5063 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
5064 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
5065 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
5066 (ASM_FILE_END): Use c4x_file_end.
5067 * config/c4x/c4x.c (c4x_global_label): New function.
5068 (c4x_external_ref, c4x_file_end): Likewise.
5070 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
5071 (c4x_external_ref, c4x_end_file): Likewise.
5073 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
5075 * cppexp.c: Don't include cpphash.h.
5076 (parse_charconst, cpp_lex): Use cpp_defined.
5077 (cpp_lex): Use get_directive_token throughout. Remove
5078 unnecessary cases from switch. Move assertion-handling code
5080 (cpp_parse_expr): If we see '+' or '-', check the context to
5081 determine if they are unary or binary operators. Streamline
5082 the jumps a bit. Do not call skip_rest_of_line.
5084 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
5085 static. Export get_directive_token. Update commentary.
5086 (cpp_defined): New function.
5087 (do_define): Remove reference to T_PCSTRING. Call
5088 free_definition to release memory for old definition, when
5090 (eval_if_expression): Set only_seen_white to 0 before calling
5091 cpp_parse_expr. Call skip_rest_of_line after it returns.
5092 (cpp_read_check_assertion): Don't preserve a pointer into the
5093 token buffer across a call to cpp_get_token.
5095 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
5096 * cppfiles.c (redundant_include_p): Use cpp_defined.
5097 * cpphash.c (free_definition): New function.
5098 (delete_macro): Use it. Update commentary.
5099 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
5101 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
5102 from enum node_type. Prototype cpp_defined and get_directive_token.
5103 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
5105 * fix-header.c (check_macro_names): Use cpp_defined.
5106 (read_scan_file): Set inhibit_warnings and inhibit_errors in
5107 the options structure.
5109 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5111 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
5113 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
5115 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
5116 rather than die->die_tag.
5118 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5120 * combine.c (make_extraction, force_to_mode): Avoid warning on
5121 mixed-signedness conditionals.
5122 (make_field_assignment, nonzero_bits): Likewise.
5123 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
5124 (store_split_bit_field, extract_split_bit_field): Likewise.
5125 (extract_fixed_bit_field, store_bit_field,
5126 * expr.c: Change alignment to be unsigned everywhere.
5127 (move_by_pieces, store_constructor_field, store_constructor):
5128 Alignment parm is unsigned.
5129 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5130 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5131 (do_compare_rtx_and_jump): Likewise.
5132 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
5133 Compare align with GET_MODE_ALIGNMENT.
5134 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
5135 (get_inner_reference): Likewise.
5136 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
5137 (expand_assignment): Local vars for alignment now unsigned.
5138 (store_constructor, store_field, expand_expr, do_jump): Likewise.
5139 (do_compare_and_jump): Likewise.
5140 (store_field): Call new function expr_align.
5141 * expr.h (emit_block_move, emit_group_load, emit_group_store):
5142 Alignment arg now unsigned.
5143 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5144 (do_compare_rtx_and_jump, store_bit_field): Likewise.
5145 (extract_bit_field): Likewise.
5146 * fold-const.c (add_double): Add cast to eliminate signedness warning.
5147 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
5148 (get_best_mode): Alignment arg is unsigned.
5149 * rtl.h (move_by_pieces): Likewise.
5150 * store-layout.c (maximum_field_alignment, set_alignment):
5152 (layout_decl): Alignment arg is now unsigned.
5153 Remove unneeded casts.
5154 (layout_record, layout_union, layout_type): Remove unneeded casts.
5155 Local alignment variables now unsigned.
5156 (get_best_mode): Alignment arg now unsigned.
5157 * tree.c (expr_align): New function.
5158 * tree.h (expr_align): Likewise.
5159 (maximum_field_alignment, set_alignment): Now unsigned.
5160 (get_inner_reference): Alignment argument is now pointer to unsigned.
5161 * varasm.c (assemble_variable): Add cast to eliminate warning.
5163 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
5165 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
5166 then store directly into op0.
5168 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
5169 the CALL_INSN, and emit the note immediately after it.
5171 2000-02-10 Nick Clifton <nickc@cygnus.com>
5173 * config/arm/thumb.md (epilogue): Include a (return) in the
5174 generated insn, and emit it using emit_jump_insn not
5177 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
5179 * function.c (assign_temp): Change zero-sized arrays to size 1.
5180 * integrate.c (expand_inline_function): Do not update
5181 stack_alignment_needed
5182 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
5183 add some sanity checking, remove optimization for function with
5186 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5188 * flow.c (mark_regs_live_at_end): Delete unused variables.
5190 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
5192 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
5193 in macro FRAME_GROWS_DOWNWARD.
5195 * stmt.c (expand_end_bindings): Delete unused variable.
5197 * unroll.c (iteration_info): Mark parameter `loop' with
5200 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5202 * fixinc/server.c (load_data): Return NULL if the marker line is
5204 (run_shell): If load_data returns NULL, retry the command once, in
5207 * configure: Rebuilt.
5209 2000-02-09 Bruce Korb <bkorb@gnu.org>
5211 * gcc/fixincludes: ** DELETED **
5212 * gcc/fixcpp: ** DELETED **
5213 * gcc/fixinc-nt.sed: ** DELETED **
5214 * gcc/just-fixinc: ** DELETED **
5215 * gcc/Makefile.in: Removed out-dated commentary
5216 * gcc/configure.in: Removed fast-fixincludes disablement.
5217 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
5219 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5220 * function.c (thread_prologue_and_epilogue_insns): Uncomment
5223 2000-02-09 Richard Henderson <rth@cygnus.com>
5225 * jump.c (delete_insn): Don't delete user labels at -O0.
5227 2000-02-09 Robert Lipe <robertl@sco.com>
5229 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
5230 Don't link with HOST_LIBS.
5232 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5234 * configure.in: Correct --help text for --with-dwarf2.
5235 Put tm-dwarf2.h after other tm files, if it's requested.
5236 * configure: Regenerate.
5237 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
5240 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5242 * cpplib.h: Provide HASHNODE typedef and forward decl of
5243 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
5244 DEFINITION, struct hashnode, struct macrodef, struct
5245 definition, scan_decls prototype, default defn of
5246 INCLUDE_LEN_FUDGE moved elsewhere.
5248 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
5249 definition, and struct hashnode moved here. Remove the unused
5250 'predefined' field from struct definition. Replace the 'args'
5251 union with its sole member. All users updated (cpphash.c).
5252 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
5253 multiple include guard.
5255 * cpphash.c (hashf): Make static; use better algorithm; drop
5256 HASHSIZE parameter; return an unsigned int.
5257 (cpp_lookup): Drop HASH parameter. PFILE parameter is
5258 used. Calculate HASHSIZE modulus here.
5259 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
5261 (create_definition): Drop PREDEFINITION parameter.
5262 * cpplib.c (do_define): Don't calculate a hash value here.
5263 Don't pass (keyword == NULL) to create_definition.
5265 * scan.h: Prototype scan_decls here.
5266 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
5267 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
5268 callers of cpp_lookup and cpp_install updated.
5270 * cpphash.c (macarg): Hoist all the flag diddling out of the
5272 (macroexpand): ... and out of the loop that calls macarg.
5273 Skip over the initial paren before macro arguments with
5274 cpp_get_non_space_token; point may be some distance before
5275 that paren. Abort if it's not there.
5277 * cpplib.c (parse_clear_mark): Delete function.
5278 (parse_set_mark, parse_goto_mark): Make static.
5279 (ACTIVE_MARK_P): New macro.
5280 (skip_block_comment, skip_line_comment): Do not bump the line
5281 if ACTIVE_MARK_P is true.
5282 (cpp_pop_buffer): The buffer to be popped may not have an
5284 (cpp_get_token): When looking for the initial paren before
5285 macro arguments, only set a mark in a file buffer, Always
5286 return to that mark before proceeding to call macroexpand or
5287 return a NAME token.
5289 * cpplib.h: Remove prototypes of parse_set_mark,
5290 parse_clear_mark, parse_goto_mark.
5291 (struct cpp_options): Rename 'put_out_comments' to
5292 'discard_comments' and invert its sense.
5293 * cppinit.c, cpphash.c, cpplib.c: All users of
5294 put_out_comments changed to use discard_comments, with
5297 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5299 * function.c (thread_prologue_and_epilogue_insns): Don't delete
5300 the edge from a block that both jumps and falls through to the
5303 2000-02-09 Scott Bambrough <scottb@netwinder.org>
5305 * config/arm/arm.md (movsi): In PIC mode, make sure that a
5306 constant source address is legitimate.
5308 2000-02-09 Philip Blundell <pb@futuretv.com>
5310 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
5313 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
5315 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
5317 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5319 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
5320 ends with a newline and a NUL. Don't be so clever manipulating
5323 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
5325 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
5326 not to BIGGEST_ALIGNMENT.
5328 2000-02-08 Geoff Keating <geoffk@cygnus.com>
5330 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
5331 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
5332 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
5333 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
5334 * frame.c (execute_cfa_insn): Handle
5335 DW_CFA_GNU_negative_offset_extended.
5337 2000-02-08 Richard Henderson <rth@cygnus.com>
5339 * flow.c (tidy_fallthru_edges): Split out from ...
5340 (delete_unreachable_blocks): ... here.
5341 (find_basic_blocks): Use it.
5343 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5345 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
5347 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
5349 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
5350 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
5351 (fix-header.o): Don't depend on cpphash.h.
5353 * scan.c (hashstr): New function.
5354 * scan.h: Prototype it.
5355 * fix-header.c: Don't include cpphash.h. Use hashstr.
5356 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
5357 hashstr. Report hash table statistics. Add private
5358 definition of xrealloc.
5360 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5362 * i386.h (TARGET_SWITCHES): Fix typo in option name.
5364 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
5366 * function.c (thread_prologue_and_epilogue_insns): Don't replace
5367 jumps with returns unless they are jumps to the fallthru block.
5369 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
5371 * i386.md (addqi3_cc): Fix contraints.
5373 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5375 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
5377 2000-02-07 Mark Mitchell <mark@codesourcery.com>
5379 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
5380 carriage return after a macro name.
5382 2000-02-07 Fred Fish <fnf@be.com>
5384 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
5385 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
5387 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
5389 * cppfiles.c (deps_output): Count spacers in deps_column.
5391 2000-02-07 Neil Booth <NeilB@earthling.net>
5393 * cppinit.c (initialize_dependency_output): If there is no
5394 suffix, don't try to look for known suffixes. Use strrchr.
5395 (cpp_start_read): Remove duplicate initialization.
5397 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
5399 * calls.c (compute_argument_block_size): New argument
5400 preferred_stack_boundary.
5401 (expand_call): update cfun->preferred_stack_boundary, update call of
5402 compute_argument_block_size
5403 (emit_library_call): Increate cfun->preferred_stack_boundary
5404 to PREFERRED_STACK_BOUNDARY
5405 (emit_library_call_value): Likewise.
5406 * explow.c (allocate_dynamic_stack_spave): Likewise.
5407 * function.c (prepare_function_start): Set
5408 cfun->preferred_stack_boundary
5409 * function.h (struct function): Add preferred_stack_boundary field.
5410 * integrate.c (expand_inline_function): Update
5411 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
5412 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
5413 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
5415 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
5417 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
5418 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
5419 cpp_pedwarn, cpp_pedwarn_with_line,
5420 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
5421 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
5422 v_cpp_error_with_line, v_cpp_warning_with_line,
5423 cpp_message_from_errno, cpp_perror_with_name): Delete.
5425 * cpperror.c (cpp_print_containing_files): Take starting
5427 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
5428 (v_cpp_message): Now called directly by all entry points.
5430 (cpp_pfatal_with_name, cpp_message): Delete.
5431 (cpp_notice_from_errno, cpp_ice): New functions.
5432 (cpp_notice): Is now for reporting error conditions, just
5433 without an associated file.
5434 (cpp_error, cpp_error_with_line): Don't do anything if
5435 opts->inhibit_errors is on.
5436 (cpp_pedwarn_with_file_and_line): Take column argument also.
5438 * cpplib.h: Update prototypes of exported functions.
5439 (struct cpp_options): Add inhibit_errors.
5441 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
5442 non-error messages. Include intl.h.
5444 * cppinit.c, cppmain.c: Likewise. Also, use
5445 cpp_notice_from_errno instead of cpp_perror_with_name or
5446 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
5448 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
5449 report internal errors.
5451 * cpplib.c (do_define): Switch bcopy to memcpy.
5452 Give cpp_pedwarn_with_file_and_line a dummy column argument.
5454 * cpplib.c (copy_rest_of_line): Revert previous change: don't
5455 bail out early if we hit a line comment.
5457 2000-02-06 Richard Henderson <rth@cygnus.com>
5459 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
5460 * basic-block.h: Declare them.
5461 * emit-rtl.h (active_insn_p): New.
5462 (next_active_insn, prev_active_insn): Use it.
5463 * rtl.h: Declare it.
5464 * function.c (emit_return_into_block): New.
5465 (thread_prologue_and_epilogue_insns): Insert return insns instead
5466 of epilogues when possible.
5467 * jump.c (jump_optimize_1): Remove code to insert a return insn
5468 on the fallthru to the exit block.
5470 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
5471 and for non-empty stack frames.
5472 * i386.md (return): Expand to return-pop as needed.
5474 2000-02-06 Richard Henderson <rth@cygnus.com>
5476 * simplify-rtx.c (simplify_relational_operation): Canonicalize
5477 constant to op1 for testing.
5479 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5481 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
5482 (fixuns_truncqfqi2): Use it.
5484 2000-02-06 Richard Henderson <rth@cygnus.com>
5486 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
5489 * i386.md (widening and peepholes): Mask the constant instead of
5492 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
5494 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
5495 input pointer before possibly branching off to the backslash
5497 * cpphash.c (macroexpand): Correctly delete \r escapes when
5498 stringifying parameters.
5499 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
5500 if we can; bail out early if we hit a line comment.
5501 (handle_directive): Treat '# 123' in an .S file just like
5502 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
5503 Return 1 for '# not_a_directive'.
5504 (get_directive_token): Pop macro buffers here, so that
5505 cpp_get_token can't sneakily move past a newline.
5507 (cpp_get_token): goto randomchar if handle_directive returns 0.
5509 * cppalloc.c: Update copyright.
5510 * cpplib.c: Merge all the static function prototypes into one
5512 * cpplib.h: Remove #if 0 block.
5514 * cpperror.c: Remove #ifdef EMACS block.
5515 * cppmain.c: Likewise.
5516 * cpphash.c: Remove #if 0 blocks.
5517 * cppinit.c: Remove #if 0 blocks, and the -lint option.
5518 * cpplib.c: Remove #if 0 blocks and code referencing
5519 pcp_inside_if or for_lint. Remove duplicate error message.
5520 Fix error messages for #else after #else or #elif. Reformat.
5521 Remove archaic TODO list.
5522 * cpplib.h: Remove pcp_inside_if and for_lint flags.
5524 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
5526 * i386/osf1elf.h: Add missing backslash to multiline string.
5528 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5530 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
5532 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5534 * Makefile.in (c-common.o): Depend on $(EXPR_H).
5536 * c-common.c: Include expr.h.
5538 * c-pragma.c (mark_align_stack): Add prototype.
5540 * caller-save.c (add_stored_regs): Likewise.
5542 * combine.c (record_promoted_value): Likewise.
5544 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
5547 * cppinit.c (new_pending_define): Likewise.
5549 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
5551 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
5552 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5553 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
5554 class_scope_p): Likewise.
5556 * dwarf2out.h (dwarf2out_set_demangle_name_func,
5557 dwarf2out_add_library_unit_info): Likewise.
5559 * ggc.h (ggc_page_print_statistics): Likewise.
5561 * haifa-sched.c (propagate_deps): Likewise.
5563 * reg-stack.c (next_flags_user, record_label_references): Likewise.
5565 * rtl.h (set_stack_check_libfunc): Likewise.
5567 * toplev.h (set_fatal_function): Likewise.
5569 * toplev.c (set_fatal_function): Delete prototype.
5571 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
5573 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5575 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
5576 (FUNC_END): Likewise.
5578 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5580 * caller-save.c: Include tm_p.h.
5582 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5584 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
5586 2000-02-04 Neil Booth <NeilB@earthling.net>
5588 * cccp.c (main): Check 'dir' for a NULL pointer before passing
5591 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
5593 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
5594 * genflags.c: Use the max_operand_1 logic from genemit.c to
5595 calculate how many arguments gen_insn prototypes have. Remove
5596 NO_MD_PROTOTYPES ifdefs from the generated file.
5597 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
5598 file. Cast gen_insn initializers to insn_gen_fn.
5599 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
5600 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
5602 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5604 * fixinc/Makefile.in (HDR): Add machname.h.
5607 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5609 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
5610 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
5611 (c4x_cpu_version): Ditto.
5612 * config/c4x/c4x-protos.h: ... here.
5614 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
5616 * dwarf2out.c (add_abstract_origin_attribute): Don't call
5617 gen_abstract_function on our context if we're a nested function.
5619 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5621 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
5622 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
5624 2000-02-04 Bruce Korb <bkorb@gnu.org>
5626 * fixinc/genfixes(machname.h):
5627 Move the functionality from gen-machine.h into this file.
5628 UNdef MN_NAME_PAT if there are no names to change.
5629 Also, be a little kinder when AutoGen is not present.
5631 * fixinc/Makefile.in(machname.h):
5632 Change the generation rule to use genfixes.
5634 * fixinc/fixfixes.c(machine_name):
5635 machine_name_fix's functionality now dependent upon whether
5636 MN_NAME_PAT is defined.
5638 * fixinc/fixtests.c(machine_name):
5641 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
5644 * fixinc/fixlib.h(mn_get_regexps):
5647 * fixinc/gen-machine.h: DELETED
5649 2000-02-04 Jan Hubicka <jh@suse.cz>
5650 Richard Henderson <rth@cygnus.com>
5652 * i386.c (SAVE_REGS_FIRST): Remove.
5653 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
5654 (ix86_compute_frame_size): Likewise.
5655 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
5656 (ix86_emit_restore_regs): Remove.
5657 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
5658 when a frame pointer is in use.
5659 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
5660 instead of pop to restore a register when profitable; emit leave
5662 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
5664 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
5665 * i386.md (prologue_allocate_stack): Remove.
5666 (epilogue_deallocate_stack): Remove.
5667 (pro_epilogue_adjust_stack): New.
5669 2000-02-04 Richard Henderson <rth@cygnus.com>
5671 * function.c (diddle_return_value): Rework to use a callback function.
5672 Use current_function_return_rtx if it's been set up.
5673 (do_clobber_return_reg, clobber_return_register): New.
5674 (do_use_return_reg, use_return_register): New.
5675 (expand_function_end): Use them.
5676 * stmt.c (expand_null_return): Likewise.
5677 * function.h: Declare them.
5678 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
5679 (mark_reg): Change arguments as appropriate for callback.
5680 * integrate.c (expand_inline_function): Revert 19 Jan change.
5682 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
5684 * tm.texi (Values in Registers): Fix typo: "fo" "for".
5685 (Misc): Say the scheduler, not the Haifa scheduler.
5687 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
5689 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
5690 when in_mem is set. Update all callers.
5692 2000-02-04 Richard Henderson <rth@cygnus.com>
5694 * i386/openbsd.h (INT_ASM_OP): Define.
5696 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
5698 * tm.texi: Fix various typos.
5700 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
5702 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
5703 (MD_STARTFILE_PREFIX_1): New macro.
5705 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
5707 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
5708 destination when needed.
5709 (strmovsi, strsetsi): New expander.
5710 (strmovsi_1, strsetsi_1): New pattern.
5711 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
5712 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
5713 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
5714 * invoke.texi (align-stringops, inline-all-stringops): Document.
5716 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
5718 * i386/netbsd.h (INT_ASM_OP): Define.
5720 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
5722 * cpplib.h (cpp_reader): Add new flag, no_directives.
5723 * cpphash.c (macarg): Set it.
5724 * cpplib.c (handle_directive): If no_directives is on and we
5725 find a directive, issue an error and discard the line.
5727 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
5729 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
5730 FP constants. Add ! TARGET_FPU check for FP constants.
5732 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
5734 * flow.c (find_basic_blocks): Don't kill label_value_list
5736 (cleanup_cfg): Kill it here.
5738 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5740 * expr.c (store_field): Ensure ALIGN is no stricter than the
5743 2000-02-02 Richard Henderson <rth@cygnus.com>
5745 * jump.c (delete_insn): Partially revert 19 Jan change;
5746 don't convert unused code labels to notes at -O0.
5748 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5750 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
5751 split_all_insns to recreate REG_LABEL notes for flow2 pass.
5753 2000-02-01 Richard Henderson <rth@cygnus.com>
5755 * i386.c (general_no_elim_operand): New.
5756 (nonmemory_no_elim_operand): New.
5757 (ix86_expand_move): Copy eliminable operands before a push.
5758 * i386-protos.h: Declare new functions.
5759 * i386.h (CAN_ELIMINATE): Simplify.
5760 (PREDICATE_CODES): Update.
5761 * i386.md (push insns): Don't allow eliminable register operands.
5763 2000-02-01 Richard Henderson <rth@cygnus.com>
5765 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
5766 replace BLKmode with DECL_RTL's mode.
5768 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
5770 * frame.c (find_fde): Convert for loop to do-while so compiler
5771 sees it's always executed at least once.
5772 * libgcc2.c (BBINBUFSIZE): Kill.
5773 (__bb_init_prg): Use fgets.
5774 (__bb_exit_trace_func): Don't paste strings.
5775 * unroll.c (unroll_loop): Initialize unroll_type, not
5776 unroll_number, and tweak logic to match.
5778 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
5780 (ix86_flags_dependant): Likewise. Disentangle control flow.
5781 (ix86_sched_reorder): Break guts out to
5782 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
5783 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
5786 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
5787 use string concatenation. Don't save and restore esi.
5789 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
5790 (machname.h): Remove script to separate file. Use two-step
5791 sequence so target is not created if script fails.
5792 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
5793 identifiers are defined.
5794 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
5795 an empty string, machine_name doesn't need to do anything at
5797 (is_cxx_header): Add more cases to regexp.
5798 * fixinc/fixlib.h: Update prototype.
5799 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
5801 * fixinc/fixincl.c: Define NO_BOGOSITY.
5803 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
5804 (hp_sysfile): Add missing comma.
5805 (math_exception): Put the wrapper ifdefs at the beginning and
5806 the end of the file.
5807 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
5809 2000-02-01 Richard Henderson <rth@cygnus.com>
5811 * sparc.c (fp_zero_operand): Turn into a normal predicate.
5812 Use CONST0_RTX. Update all callers.
5813 * sparc.h, sparc-protos.h: Update accordingly.
5814 * sparc.md (fp mov insns): Use fp_zero_operand directly
5817 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5819 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
5822 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5824 * Makefile.in (specs.ready): New target.
5825 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
5827 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5829 * fixinc.irix: Use unique filenames for writing into /tmp,
5830 * fixinc.ptx: Likewise.
5831 * fixinc.sco: Likewise.
5832 * fixinc.svr4: Likewise.
5833 * fixinc.winnt: Likewise.
5835 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5837 * tsystem.h: New file.
5839 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
5840 s-crtS): Depend on tsystem.h.
5842 * crtstuff.c: Include tsystem.h.
5843 * frame.c: Likewise.
5844 * libgcc2.c: Likewise.
5846 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
5848 * builtins.c (expand_builtin_memset): Expand for variable sized
5851 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
5853 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
5856 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
5858 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
5860 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
5862 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
5864 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
5865 case 3->2 combining (combining with splitting) in which 2 is CC0
5866 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
5867 checked at the begining of the function with the aid of calling
5868 function 'can_combine_p'.
5870 2000-01-31 Dave Brolley <brolley@redhat.com>
5872 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
5874 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
5876 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
5879 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5881 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
5883 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
5886 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
5888 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
5889 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
5890 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
5891 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
5892 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
5893 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
5894 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
5895 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
5896 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
5897 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
5899 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
5900 Add %(cpp_cpu) to CPP_SPEC.
5902 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
5903 Add %(cc1_cpu) to CC1_SPEC.
5905 2000-01-28 Ulrich Drepper <drepper@redhat.com>
5907 * c-decl.c (c_decode_option): Accept optional numeric argument to
5908 -Wformat and set warn_format.
5909 * c-common.c: Don't emit warning about non-constant printf format
5910 string unless warn_format > 1.
5912 2000-01-30 Richard Henderson <rth@cygnus.com>
5914 * alpha.md (return_internal): Allow after reload only.
5916 2000-01-30 Richard Henderson <rth@cygnus.com>
5918 * i386.c (ix86_compute_frame_size): Omit padding1 if the
5919 local frame size is zero.
5921 2000-01-30 Richard Henderson <rth@cygnus.com>
5923 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
5924 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
5925 * alpha.md (return): Turn into an expander.
5926 (return_internal): Don't use $26.
5927 (epilogue): Emit the return insn.
5929 2000-01-30 Richard Henderson <rth@cygnus.com>
5931 * alpha.md (negtf2, abstf2): Fix word order thinko.
5933 (trunctfsf2): Avoid intermediate rounding errors.
5935 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
5937 * cppfiles.c (find_position): Drop 'colp' argument, return the
5939 (read_and_prescan): Adjust to match. Don't ever manipulate
5940 line or line_base except via find_position.
5942 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
5944 * c-parse.in: Apply Ulrich's changes from c-parse.y.
5945 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
5948 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
5950 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
5951 just print "<command line>". If 'filename' is null or an
5952 empty string, print "<stdin>" for the filename.
5953 * cpplib.c (do_define): Don't print the 'location of the
5954 previous definition' message if we're still parsing the
5956 (cpp_pedwarn_with_file_and_line): Always call
5957 cpp_file_line_for_message.
5959 2000-01-29 Mark Mitchell <mark@codesourcery.com>
5961 * flow.c (mark_regs_live_at_end): Fix typo.
5963 2000-01-28 Ulrich Drepper <drepper@redhat.com>
5965 * c-common.c: Adjust variable names, comments, help strings to c99.
5966 * c-lex.c: Likewise.
5967 * c-parse.y: Likewise.
5968 * c-tree.h: Likewise.
5970 * cpplib.h: Likewise.
5971 * c-decl.c: Likewise. Recognize options with names "*99" as well.
5972 * cppinit.c: Likewise.
5974 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5976 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
5977 * c4x.c: Define the optab rtx values.
5978 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
5979 (c4x_emit_libcall): Use new optab rtx values.
5980 (c4x_emit_libcall3): Likewise.
5981 (c4x_emit_libcall_mulhi): Likewise.
5982 * c4x-protos.h: Add prototypes for optab rtx values and change
5983 prototypes for above c4x_emit_libcall functions.
5985 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5987 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
5989 (c4x_function_prologue): Use regnames intead of float_reg_names when
5991 (c4x_function_epilogue): Likewise.
5992 (c4x_print_operand): Likewise.
5993 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
5994 * c4x.md (set_high): Disable for TARGET_TI.
5996 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5998 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
5999 of framepointer + constant to ADDR_REGS class.
6000 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
6001 * c4x.c (std_or_reg_operand): New function.
6002 * c4x-protos.h (std_or_reg_operand): Prototype it.
6004 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6006 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
6007 object names as libgcc2.c.
6008 * libgcc.S: Use newly defined names.
6010 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
6011 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
6013 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
6014 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
6015 (FLOW_LOOP_LAST_BLOCK): Likewise.
6017 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6019 * basic-block.h (struct loop): New fields 'first' and 'last'.
6020 * flow.c (flow_loops_find): Compute loop->first and loop->last.
6021 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
6022 and loop->last to check for NOTE_INSN_LOOP_END.
6024 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
6026 * predict.c (estimate_probability): Use the new FIRST and LAST fields
6027 of the loop descriptor rather than HEADER and LATCH. Also added
6028 missing break statements as well making some coding style modifications
6029 as suggested by Michael Hayes.
6031 2000-01-28 Richard Henderson <rth@cygnus.com>
6033 * flow.c (find_basic_blocks): Remove do_cleanup argument.
6034 Break out that code ...
6035 (cleanup_cfg): ... here.
6036 (commit_one_edge_insertion): Detect a return instruction being
6037 emitted to an edge. Emit a barrier following; clear fallthru.
6038 (commit_edge_insertions): Verify CFG consistency.
6039 * function.c (expand_function_start): Kill unused variable.
6040 (expand_function_end): Likewise.
6041 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
6042 to insert the epilogue.
6044 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
6045 (delete_null_pointer_checks): Likewise.
6046 * output.h: Likewise.
6047 * reg-stack.c (reg_to_stack): Likewise.
6048 * toplev.c (rest_of_compilation): Likewise. Run
6049 thread_prologue_and_epilogue_insns after rebuilding the CFG.
6051 2000-01-28 Richard Henderson <rth@cygnus.com>
6053 * Makefile.in (flow.o): Revert 24 Jan change.
6054 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
6055 FUNCTION_VALUE result to DECL_RESULT's mode.
6057 * haifa-sched.c (schedule_insns): Don't recompute reg info
6060 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
6062 * configure.in: Make --enable-cpplib the default.
6063 * configure: Regenerate.
6064 * gcc.dg/990119-1.c: No longer expected to fail.
6066 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
6068 * jump.c (jump_optimize_1): Delete an optimization that is also done
6069 by merge_blocks in flow.
6071 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6073 * diagnostic.c (build_message_string, output_printf,
6074 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
6075 (build_location_prefix): Fix non-literal format string.
6077 2000-01-27 Richard Henderson <rth@cygnus.com>
6079 * alpha.md (trunctfsf2): New.
6081 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
6083 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
6085 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6087 * cppinit.c (cpp_handle_option): Recognize C++ comments under
6089 * cpplib.c (skip_block_comment, skip_line_comment): Split code
6091 (skip_comment) ... here. Permit C++ comments in system
6092 headers always. Warn about C++ comments in user code under
6093 -std=gnu89 -pedantic.
6094 (copy_comment): Use skip_comment.
6095 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
6097 (consider_directive_while_skipping, do_else, do_endif): Call
6098 validate_else unconditionally.
6099 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
6100 text after the conditional in a system header.
6101 * cpplib.h (struct cpp_buffer): Add flag
6102 warned_cplusplus_comments.
6104 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6106 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
6107 Use unshare_all_rtl_1.
6108 (unshare_all_rtl_again): New function.
6109 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
6111 * function.c (purge_addressof_1): Use unshare_all_rtl_again
6112 rather than resetting the 'used' flags ourself.
6114 * toplev.c (rest_of_compilation): Add current_function_decl
6115 to the unshare_all_rtl call.
6116 * tree.h: Prototype unshare_all_rtl.
6117 * rtl.h: Prototype unshare_all_rtl_again here.
6119 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6121 * genoutput.c (output_prologue): Include ggc.h in generated
6123 * Makefile.in (insn-output.o): Depends on ggc.h.
6125 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
6126 Hans-Peter Nilsson <hp@bitrange.com>
6128 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
6129 Remove redundant include of xm-ns32k.h.
6130 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
6131 Remove redundant include of xm-ns32k.h.
6132 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
6133 Remove redundant include of xm-ns32k.h.
6134 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
6136 * ns32k/ns32k.h: Update comment on multiply-add instructions.
6137 (TARGET_SWITCHES): Add documentation strings.
6138 (DWARF_FRAME_REGNUM): Override default definition.
6139 (REG_CLASS_CONTENTS): Add comments.
6140 (SUBSET_P): Format to reduce line length.
6141 (SMALL_REGISTER_CLASSES): Make a run time option.
6142 (GO_IF_NONINDEXED_ADDRESS): Reformat.
6143 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
6144 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
6145 (regclass_map): fix typo in comment.
6146 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
6147 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
6148 (trace, reg_or_mem_operand): Delete, unused function.
6149 (calc_address_cost): Small offsets are cheaper than large ones.
6150 (expand_block_move): Generate more efficient code when bytes is a
6151 known at compile time.
6152 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
6153 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
6154 instead of reg_or_mem_operand.
6156 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
6157 not general_operand. Similarly use "=rm" or stricter, not "=g".
6158 For input operands, use stricter constraints than "g" if not
6159 general_operand. Similarly use stricter predicate than
6160 "general_operand" when stricter constraints than "g" are present,
6161 except for matching constraints.
6162 (movstrsi): Use "memory_operand" for operands 0 and 1.
6163 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
6164 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
6165 not reg_or_mem_operand.
6166 (udivmoddisi4): Ditto.
6167 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
6168 Use nonimmediate_operand for operand 3, not register_operand.
6169 (udivmoddiqi4_internal): Use register_operand for operand 1, not
6172 2000-01-27 Fred Fish <fnf@be.com>
6174 * gthr-posix.h: Fix typo; compatibily -> compatibility.
6175 * gthr-single.h: Likewise.
6176 * gthr-solaris.h: Likewise.
6177 * gthr-vxworks.h: Likewise.
6178 * gthr-win32.h: Likewise.
6181 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6183 * cppinit.c: Add " (cpplib)" to end of string printed by
6186 2000-01-27 Richard Henderson <rth@cygnus.com>
6188 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
6189 testing for a signed comparison.
6190 (alpha_emit_floatuns): New.
6191 * alpha-protos.h: Declare it.
6192 * alpha.md (floatunsdisf2, floatunsdidf2): New.
6193 (extendsfdf2): Tidy.
6195 2000-01-27 Jakub Jelinek <jakub@redhat.com>
6197 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
6198 no -g option specifying debugging format, default to -gstabs+.
6200 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6202 * calls.c (special_function_p): New argument fork_or_exec.
6203 (expand_call): When profile_arc_flag is set and the function
6204 is in the fork_or_exec group, call __bb_fork_func first.
6205 * libgcc2.c, _bb module (__bb_fork_func): New function.
6206 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
6208 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
6209 * tree.h (special_function_p): Update prototype.
6211 2000-01-26 Richard Henderson <rth@cygnus.com>
6213 * alpha.c (alpha_split_tfmode_pair): New.
6214 * alpha-protos.h: Declare it.
6215 * alpha.md (abstf2, negtf2): New.
6216 (movtf insn): Add input G constraint.
6217 (movtf splitter): Use alpha_split_tfmode_pair.
6219 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6221 * i386/cygwin.h: PROTO -> PARAMS.
6223 2000-01-26 Jakub Jelinek <jakub@redhat.com>
6225 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
6226 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
6227 using _Qp_cmp/_Q_cmp and testing the return value.
6228 (print_operand): Call reverse_condition_maybe_unordered if
6229 we are handling CCFPmode or CCFPEmode.
6230 Handle ORDERED, UN* and LTGT comparisons.
6231 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
6232 if not TARGET_HARD_QUAD.
6233 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
6234 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
6235 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
6236 Adjust gen_b* calls so that they reflect return comparison of
6237 sparc_emit_float_lib_cmp.
6239 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6241 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
6242 incoming operands array is large enough for one more operand.
6243 (alpha_emit_xfloating_arith): Likewise.
6245 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6247 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
6248 file with one line and no trailing newline.
6249 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
6250 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
6251 checking if the match is on the line.
6252 * fixinc/gnu-regex.c: Provide regerror not __regerror.
6254 2000-01-25 Richard Henderson <rth@cygnus.com>
6256 * sparc.c (output_cbranch): Fix accidental squashing of the
6257 fp branch pre-delay nop.
6259 2000-01-25 Richard Henderson <rth@cygnus.com>
6261 * tree.def (UNNE_EXPR): Remove.
6262 * c-typeck.c (build_binary_op): Don't handle it.
6263 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
6265 * rtl.def (UNNE): Remove.
6267 * jump.c (reverse_condition): Update accordingly.
6268 (swap_condition): Likewise.
6269 (comparison_dominates_p): Handle unordered comparisons.
6270 (reverse_condition_maybe_unordered): New.
6271 * rtl.h (reverse_condition_maybe_unordered): Declare.
6273 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
6274 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
6275 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
6276 * sparc.md (bltgt): New.
6278 2000-01-25 Nick Clifton <nickc@redhat.com>
6280 * emit-rtl.c (emit_insn): Only check machine class insns for
6281 improper emission of a RETURN.
6283 2000-01-25 Richard Henderson <rth@cygnus.com>
6285 * Makefile.in (flow.o): Depend on $(EXPR_H).
6286 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
6287 duplicate the structure of diddle_return_value for keeping regs live.
6289 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6291 * loop.c (current_loop_info): Delete.
6292 (consec_sets_invariant_p): Add loop argument, update callers.
6293 (get_condition_for_loop): Likewise.
6294 (count_nonfixed_reads, update_giv_derive): Likewise.
6295 (simplify_giv_expr, general_induction_var): Likewise.
6296 (consec_sets_giv, recombine_givs): Likewise.
6297 (move_movables): Delete loop_start and loop_end arguments,
6298 add loop argument, and update callers.
6299 (find_mem_givs, check_final_value): Likewise.
6300 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
6301 (loop_invariant_p): Rename from invariant_p, add loop argument, and
6303 (basic_induction_var): Add loop argument, delete loop_level argument,
6305 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
6306 add loop argument, and update callers.
6307 (find_splittable_regs, find_splittable_givs): Likewise.
6308 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
6309 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
6310 (biv_total_increment): Delete loop_start and loop_end arguments;
6312 (precondition_loop_p): Delete loop_start and loop_info arguments;
6314 * loop.h (get_condition_for_loop): Add loop argument.
6315 (biv_total_increment): Delete loop_start and loop_end arguments.
6316 (precondition_loop_p): Delete loop_start and loop_info arguments;
6318 (final_biv_value): Delete loop_start and loop_end arguments;
6320 (final_giv_value, back_branch_in_range_p): Likewise.
6322 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6324 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
6326 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6328 * Makefile.in (c-gperf.h) : Change the "See" pointer to
6329 point to the new "generated_files" doc.
6331 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6333 * config/fp-bit.c (_unord_f2): Fix typo.
6335 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6337 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
6338 c-typeck.c, objc/objc-act.c: Remove all references to obstack
6339 functions obsoleted by GC, such as push_obstacks_nochange,
6340 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
6341 and code which existed only to decide whether or not to call
6342 them. Remove now-unused NESTED argument from start_function;
6343 all callers changed. Do not change behavior based on ggc_p.
6344 The use of the ixp_obstack in c-iterate.c and the util_obstack
6345 in objc/objc-act.c remain; these are not obsoleted by garbage
6347 * c-tree.h: Update prototype for start_function.
6349 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
6351 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6353 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
6356 2000-01-25 Richard Henderson <rth@cygnus.com>
6358 * sparc-protos.h (select_cc_mode): Declare.
6359 * sparc.c (select_cc_mode): New. Handle unordered compares.
6360 (output_cbranch): Always reverse via code change. Handle
6361 unordered compares. Factor tests and string updates.
6362 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
6363 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
6364 * sparc.md (bunordered, bordered): New.
6365 (bungt, bunlt, buneq, bunge, bunle): New.
6367 2000-01-25 Richard Henderson <rth@cygnus.com>
6369 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
6370 * ggc-common.c (ggc_add_rtx_varray_root): New.
6371 (ggc_mark_rtx_varray): New.
6372 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
6373 functions down below ggc_mark_foo.
6374 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
6376 2000-01-25 Richard Henderson <rth@cygnus.com>
6378 * alpha.c (secondary_reload_class): Don't allocate a secondary
6379 for integral mode memories into FLOAT_REGS. Rearrange the more
6380 complicated memory expression inward.
6382 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6384 * inclhack.def: Fixes to play nicer with FreeBSD, and
6385 corrections to comments.
6386 (cxx_unready): Add select expression.
6387 (irix_sockaddr): Add bypass expression.
6388 (machine_ansi_h_va_list): New fix.
6389 (stdio_va_list): No need to edit _BSD_VA_LIST_.
6390 Split out addition of "#include <stdarg.h>" to...
6391 (stdio_stdarg_h): ... here.
6392 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
6393 to stdlib.h also. Do not munge _BSD_SIZE_T_.
6394 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
6396 (ultrix_ifdef): Tighten up select expression.
6398 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
6399 re_ct and max_mach to avoid use of shell. Make printed names
6400 match names in inclhack.def. Use static copyright date.
6401 Don't count c_test and test expressions as requiring regex_t
6402 slots. Add some commentary.
6403 * inclhack.tpl: Do not include the 'This script contains N
6404 fixup scripts' line if PROGRAM is defined. Use static
6407 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
6409 * dwarf2out.c: include "varray.h", not dyn-string.h.
6410 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
6411 (addr_const_to_string, addr_to_string): Lose.
6412 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
6413 (struct dw_val_struct): val_addr is now an rtx.
6414 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
6415 (used_rtx_varray): New varray.
6416 (dwarf2out_init): Initialize it.
6418 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
6420 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
6421 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
6422 * Makefile.in (dwarf2out.o): Update dependencies.
6424 2000-01-24 Richard Henderson <rth@cygnus.com>
6426 * i386.c (i386_dwarf_output_addr_const): New.
6427 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
6429 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
6431 * dwarfout.c (output_mem_loc_descriptor): Likewise.
6432 * i386.c (i386_simplify_dwarf_addr): New.
6433 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
6435 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
6437 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
6438 TYPE_STUB_DECL is NULL.
6440 2000-01-24 Richard Henderson <rth@cygnus.com>
6442 * builtins.c (expand_tree_builtin): Move ...
6443 * c-common.c (expand_tree_builtin): ... here.
6445 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6447 * loop.h (LOOP_INFO): New accessor macro.
6448 * basic-block.h (struct loop): Rename field `info' to `aux'.
6449 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
6450 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
6451 * unroll.c (loop_iterations, unroll_loop): Likewise.
6453 2000-01-24 Christopher Faylor <cgf@cygnus.com>
6455 * config/i386/t-cygwin: Accomodate new winsup directory layout
6456 when searching for include files.
6458 2000-01-24 Richard Henderson <rth@cygnus.com>
6460 * rtl.def: Add unordered fp comparisions.
6461 * tree.def: Likewise.
6462 * tree.h: Add ISO C 9x unordered fp comparision builtins.
6464 * builtins.c (expand_tree_builtin): New function.
6465 * c-typeck.c (build_function_call): Use it.
6466 (build_binary_op): Support unordered compares.
6467 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
6469 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
6470 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
6471 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
6472 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
6473 * jump.c (reverse_condition): Don't abort for UNLE etc, but
6475 (swap_condition): Handle unordered compares.
6476 (thread_jumps): Check can_reverse before reversing.
6477 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
6480 * optabs.c (can_compare_p): New argument CODE. Verify branch or
6481 setcc is present before acking for cmp_optab. Update all callers.
6482 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
6483 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
6484 * expr.c (expand_expr): Likewise. Support unordered compares.
6485 (do_jump, do_store_flag): Likewise.
6486 * expr.h (enum libfunc_index): Add unordered compares.
6488 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
6489 (DPBIT_FUNCS): Add _unord_df.
6490 * config/fp-bit.c (_unord_f2): New.
6491 * fp-test.c (main): Try unordered compare builtins.
6493 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
6494 * alpha.c (alpha_comparison_operator): Check mode properly.
6495 (alpha_swapped_comparison_operator): Likewise.
6496 (signed_comparison_operator): Likewise.
6497 (alpha_fp_comparison_operator): New.
6498 (alpha_emit_conditional_branch): Handle unordered compares.
6499 * alpha.h (PREDICATE_CODES): Update.
6500 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
6501 (bunordered, bordered): New.
6503 2000-01-24 Richard Henderson <rth@cygnus.com>
6505 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
6506 * alpha.md (movtf): New expander, insn, and splitter.
6508 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
6510 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6513 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
6515 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
6516 (FIXED_REGISTERS, CALL_USED_REGISTERS,
6517 REG_ALLOC_ORDER): Add frame pointer
6518 (FRAME_POINTER_REGNUM): Set to 20
6519 (HARD_FRAME_POINTER_REGNUM): New macro.
6520 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
6521 to HARD_FRAME_POINTER.
6522 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
6523 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
6524 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
6525 (HI_REGISTER_NAMES): Add "frame".
6526 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
6527 (debug_reg): Handle FRAME_POINTER_REGNUM.
6528 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
6529 GENERAL_REGS and INDEX_REGS.
6530 * i386.c (SAVED_REGS_FIRST): new macro.
6531 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
6532 (ix86_decompose_address, memory_address_length): Likewise.
6533 (regclass_map): Add frame pointer.
6534 (call_insn_operand): Handle frame_pointer_rtx.
6535 (reg_no_sp_operand): Likewise.
6536 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
6537 (print_operand, legitimize_pic_address): Fix formating.
6538 (ix86_compute_frame_size): Make static, update prototype, new
6539 parameters padding1, padding2, use ix86_nsaved_regs, use
6540 stack_alignment_needed.
6541 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
6542 to HARD_FRAME_POINTER_REGNUM conversions.
6543 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
6544 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
6545 (print_reg): Abort on FRAME_POINTER_REGNUM
6547 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
6549 * i386.h (PREDICATE_CODES): Add aligned_operand.
6550 * i386.c (aligned_operand): New function.
6551 (ix86_aligned_p): Kill.
6552 * i386.md (movhi_1): Emit mov for aligned operands.
6553 (promoting peep2s): Use aligned_operand.
6555 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
6557 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
6558 expression to allow underscores in macro names.
6559 (fix_char_macro_defines): Increment scanning pointer.
6561 2000-01-23 Richard Henderson <rth@cygnus.com>
6563 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
6564 * alpha/osf5.h: New file.
6565 * configure.in (alpha-*-osf5): Add it to tm_file.
6567 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
6569 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
6570 (alpha_emit_xfloating_cvt, function_arg): Declare.
6571 * alpha.c (alpha_emit_conditional_branch): Call
6572 alpha_emit_xfloating_compare for TFmode compares.
6573 (alpha_lookup_xfloating_lib_func): New.
6574 (alpha_compute_xfloating_mode_arg): New.
6575 (alpha_emit_xfloating_libcall): New.
6576 (alpha_emit_xfloating_arith): New.
6577 (alpha_emit_xfloating_compare): New.
6578 (alpha_emit_xfloating_cvt): New.
6579 (print_operand): Add default abort case.
6580 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
6581 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
6582 (BIGGEST_ALIGNMENT): Increase to 128 bits.
6583 (RETURN_IN_MEMORY): True for TF/TCmode.
6584 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
6585 (FUNCTION_ARG): Move to function_arg.
6586 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
6587 (ASM_OUTPUT_LONG_DOUBLE): New.
6588 (ASM_OUTPUT_DOUBLE): Always output bits.
6589 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
6590 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
6591 (extenddftf2, trunctfdf2): New.
6593 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6595 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
6596 * config/sparc/sol2.h: ... here.
6598 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6600 * basic-block.h (struct loops): New field `levels'.
6601 * flow.c (flow_loops_level_compute): Traverse all outer loops.
6602 (flow_loop_level_compute): Initialise level to 1.
6603 (flow_loops_find): Set loops->levels.
6604 (flow_loops_dump): Print loops->levels.
6606 2000-01-23 Richard Henderson <rth@cygnus.com>
6608 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
6609 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
6611 2000-01-23 Richard Henderson <rth@cygnus.com>
6613 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
6614 * i386.h (DBX_REGISTER_NUMBER): Use them.
6615 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
6616 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
6617 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
6618 * i386/sequent.h: Kill incorrect comment.
6620 2000-01-23 Mark Mitchell <mark@codesourcery.com>
6622 * ggc-page.c (struct page_entry): Make `context_depth' an
6624 (struct globals): Likewise.
6626 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
6628 * loop.c (check_dbra_loop): When checking a loop for
6629 reversability, check the source of any stores to ensure
6630 they don't depend on an initial value.
6632 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6634 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
6636 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
6638 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
6639 'pz_scan' into scope of entire function. Only affects
6640 compiles with -DDEBUG.
6642 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
6644 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
6645 section naming to that prior to 2000-01-07 patch.
6646 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
6647 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
6648 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
6649 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
6650 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
6652 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
6654 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
6657 2000-01-21 Jim Wilson <wilson@cygnus.com>
6659 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
6660 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
6662 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
6664 * cpphash.c (change_newlines): Delete function.
6665 (struct argdata): Delete 'newlines' and 'use_count' fields.
6666 (macroexpand): Remove code referencing those fields.
6668 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6670 * loop.c (loops_info): New variable.
6671 (loop_optimize): Allocate loops->array and free it on exit.
6672 Allocate memory for loops_info and assign to each loop,
6674 (find_and_verify_loops): Do not allocate loops->array.
6676 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
6678 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
6680 2000-01-21 Jakub Jelinek <jakub@redhat.com>
6682 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
6683 pseudos if expanded after first flow.
6684 (movdi_pic_label_ref): Likewise.
6686 2000-01-20 Richard Henderson <rth@cygnus.com>
6688 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
6690 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
6692 * Makefile.in (fixinc.sh): Depend on specs.
6693 * fixinc/Makefile.in: Add rule to create machname.h.
6694 (fixlib.o): Depend on machname.h.
6695 * fixinc/fixtests.c (machine_name): New test.
6696 * fixinc/fixfixes.c (machine_name): New fix.
6697 * fixinc/fixlib.c (mn_get_regexps): New helper function for
6698 the machine_name test and fix.
6699 * fixinc/fixlib.h: Prototype it.
6700 * fixinc/inclhack.def (machine_name): Use the C test and fix.
6701 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
6703 * gcc.c (do_spec_1) [case P]: Take care not to create
6704 identifiers with three leading or trailing underscores.
6706 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
6707 (fixincl): Don't specify libraries twice on link line.
6708 (gnu-regex.o): Remove special rule.
6709 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
6710 defined by config.h. Do not define _REGEX_RE_COMP.
6711 (regcomp): Allocate and initialize a fastmap.
6712 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
6714 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
6716 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
6718 2000-01-19 Richard Henderson <rth@cygnus.com>
6720 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
6721 arguments with BB. Update all callers. Tidy line wrapping.
6723 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
6725 * emit-rtl.c (try_split): Return last_insn if we split the
6728 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
6730 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
6731 (ix86_initial_elimination_offset): Declare.
6732 * i386.c (ix86_nsaved_regs): Break out from ...
6733 (ix86_can_use_return_insn_p): ... here.
6734 (ix86_emit_save_regs): Break out from ...
6735 (ix86_expand_prologue): ... here.
6736 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
6738 (ix86_expand_epilogue): ... here.
6739 (ix86_compute_frame_size): Make static, add prototype.
6740 (ix86_initial_elimination_offset): Break out from ...
6741 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
6743 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6745 * recog.h (OUT_FCN): Delete.
6747 * vax.md: Call `get_insn_template' instead of OUT_FCN.
6749 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6751 * cppalloc.c: PROTO -> PARAMS.
6752 * cpperror.c: Likewise.
6753 * cppfiles.c: Likewise.
6754 * cpplib.c: Likewise.
6755 * cpplib.h: Likewise.
6757 * config/arm/arm-protos.h: PROTO -> PARAMS.
6758 * config/arm/arm.c: Likewise.
6759 * config/c4x/c4x.c: Likewise.
6760 * config/fr30/fr30-protos.h: Likewise.
6761 * config/nextstep.c: Likewise.
6762 * config/pa/pa.c: Likewise.
6763 * config/pj/pj.c: Likewise.
6764 * config/rs6000/rs6000.c: Likewise.
6765 * config/v850/v850-protos.h: Likewise.
6766 * config/v850/v850.c: Likewise.
6768 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6770 * i370-protos.h: New file.
6772 * i370.c: Include tm_p.h. Fix compile time warnings.
6774 * i370.h: Move prototypes to i370-protos.h. Fix compile time
6777 * i370.md: Likewise.
6779 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6781 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
6782 (target_isinf, target_isnan, eisnan): Mark parameter with
6784 (eiisinf): Wrap in INFINITY.
6785 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
6786 (ibmtoe): Remove unused variable `rndsav'.
6788 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6790 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
6791 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
6793 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
6795 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
6796 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
6797 (fix_char_macro_defines, fix_char_macro_uses): New functions.
6799 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
6800 Recognize Emacs mode markers also.
6801 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
6802 C++ comments in C++ headers. Call is_cxx_header only if
6805 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
6807 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
6808 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
6809 ... these, which use the new C fixes.
6810 (math_exception): Escape literal '+' in bypass expression.
6812 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
6815 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6817 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
6820 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6822 * loop.c (loop_optimize): Allocate loop_info structure for each loop
6823 prior to calling scan_loop.
6825 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6827 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
6828 (split_branches, calc_live_regs): Likewise.
6830 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6832 * sh.md (fpu_single, fp_mode): New attributes.
6834 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6836 * loop.c (current_loop_info): Renamed from loop_info_data
6837 and changed to a pointer.
6838 (loop_optimize): Allocate loop_info structure for each loop
6839 and initialise to zero.
6840 (scan_loop): Set current_loop_info.
6842 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
6845 2000-01-19 Richard Henderson <rth@cygnus.com>
6847 * stupid.c: Die die die.
6848 * Makefile.in (OBJS): Remove stupid.o.
6849 (stupid.o): Likewise.
6851 * except.c (emit_eh_context): Don't emit USEs for stupid.
6852 * explow.c (probe_stack_range): Likewise.
6853 * flags.h (obey_regdecls): Remove.
6854 * flow.c (find_basic_blocks): Don't run try_merge_blocks
6855 when not optimizing.
6856 (life_analysis): Limit data collection when not optimizing.
6857 (mark_regs_live_at_end): Always mark the return value registers.
6858 (mark_used_regs): Remove dummy RETURN case.
6859 (print_rtl_with_bb): Don't consult obey_regdecls.
6860 * function.c (use_variable, use_variable_after): Remove.
6861 (assign_parms): Consult optimize not obey_regdecls.
6862 (expand_function_start): Don't emit USEs for stupid.
6863 (expand_function_end): Likewise.
6864 * global.c (build_insn_chain): Export.
6865 * integrate.c (expand_inline_function): Kill return-value USE
6867 * jump.c (jump_optimize_1): Do simple jump optimizations and
6868 dead code elimination.
6869 (calculate_can_reach_end): Remove check_deleted argument.
6870 (delete_insn): Patch out insns even when not optimizing.
6871 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
6872 * rtl.h (use_variable, use_variable_after): Remove declarations.
6873 (build_insn_chain): Declare.
6874 * stmt.c (expand_value_return): Don't emit USEs for stupid.
6875 (expand_end_bindings): Likewise.
6876 (expand_decl): Likewise. Consult optimize not obey_regdecls.
6877 * toplev.c (obey_regdecls): Remove.
6878 (rest_of_compilation): Don't set it. Kill stupid in favour of
6879 flow1, local-alloc, and reload.
6880 (main): Don't set obey_regdecls.
6882 * config/nextstep.c (handle_pragma): Likewise.
6884 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
6886 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
6888 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6890 * alpha-protos.h: PROTO -> PARAMS.
6891 * alpha.c: Likewise.
6893 * h8300.c: Likewise.
6894 * i386-protos.h: Likewise.
6896 * m32r-protos.h: Likewise.
6899 * mips.md: Likewise.
6900 * gmon-sol2.c: Likewise.
6901 * sparc.c: Likewise.
6903 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6905 * ns32k-protos.h: New file.
6907 * ns32k.c: Fix compile time warnings.
6909 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
6912 * ns32k.md: Likewise.
6914 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6916 * vax-protos.h: New file.
6918 * vax.c: Fix compile time warnings.
6920 * vax.h: Move prototypes to vax-protos.h. Fix compile time
6925 * vaxv.md: Likewise.
6927 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6929 * romp-protos.h: New file.
6931 * romp.c: Fix compile time warnings.
6933 * romp.h: Move prototypes to romp-protos.h. Fix compile time
6936 * romp.md: Likewise.
6938 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6940 * we32k-protos.h: New file.
6942 * we32k.c: Fix compile time warnings.
6944 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
6947 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6949 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
6951 * except.c (eh_regs): Likewise.
6953 * final.c (output_operand): Likewise.
6955 * fold-const.c (target_isinf, target_isnan): Likewise.
6957 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6959 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
6960 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
6962 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
6964 (clrstrsi): Rewrite.
6965 (strsethi, strsetqi): New expanders.
6966 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
6967 (cmpstrsi): Emit compare insn before cmpstrsi_1
6968 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
6969 (strlensi_1): Likewise.
6970 (cmpstrsi_1): Likewise; do not output compare.
6971 (strlen expander): Do not unroll when optimizing for size.
6972 (*subsi3_carry): Rename to subsi3_carry
6973 (addqi3_cc): New pattern.
6974 * i386.h (processor_costs): Add move_ratio field.
6975 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
6976 * i386.c (*_cost): Set move_ratio.
6977 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
6978 (x86_expand_strlensi_1): Rewrite the main loop.
6980 2000-01-17 Richard Henderson <rth@cygnus.com>
6982 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
6983 * cse.c (find_comparison_args, fold_rtx): Likewise.
6984 * integrate.c (subst_constants): Likewise.
6985 * loop.c (get_condition): Likewise.
6987 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
6989 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
6991 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6993 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
6994 (RESTORE_WARN_FLAGS): Unpack it.
6995 Change semantic type of extension to ttype.
6996 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
6997 * c-parse.y, c-parse.c, objc/objc-parse.y,
6998 objc/objc-parse.c: Regenerate.
7000 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
7002 * fixinc/fixlib.c: Add copyright notice.
7003 (compile_re): New function.
7004 * fixinc/fixlib.h: Prototype compile_re.
7006 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
7007 Use compile_re to compile regular expressions.
7009 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
7010 where the pattern matched.
7012 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
7014 (ultrix_ansi_compat): Likewise.
7015 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
7017 (interactv_add2, interactv_add3): Delete.
7018 (x11_sprintf): Don't use filename glob.
7019 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
7022 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7024 * print-rtl.c: PROTO -> PARAMS.
7026 * reg-stack.c: Likewise.
7027 * resource.c: Likewise.
7028 * sdbout.h: Likewise.
7029 * simplify-rtx.c: Likewise.
7030 * stor-layout.c: Likewise.
7031 * stupid.c: Likewise.
7032 * xcoffout.c: Likewise.
7033 * xcoffout.h: Likewise.
7035 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7037 * toplev.c: PROTO -> PARAMS.
7038 * toplev.h: Likewise.
7041 * unroll.c: Likewise.
7042 * varasm.c: Likewise.
7043 * varray.c: Likewise.
7044 * varray.h: Likewise.
7046 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7048 * reload.c: PROTO -> PARAMS.
7049 * reload.h: Likewise.
7050 * reload1.c: Likewise.
7051 * reorg.c: Likewise.
7052 * resource.h: Likewise.
7055 * rtlanal.c: Likewise.
7056 * sbitmap.h: Likewise.
7057 * sdbout.c: Likewise.
7058 * stack.h: Likewise.
7060 * system.h: Likewise.
7062 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7064 * machmode.h: PROTO -> PARAMS.
7065 * mbchar.h: Likewise.
7066 * mips-tdump.c: Likewise.
7067 * mips-tfile.c: Likewise.
7068 * optabs.c: Likewise.
7069 * output.h: Likewise.
7070 * prefix.c: Likewise.
7071 * profile.c: Likewise.
7072 * protoize.c: Likewise.
7074 * recog.c: Likewise.
7075 * recog.h: Likewise.
7076 * regclass.c: Likewise.
7077 * regmove.c: Likewise.
7080 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7082 * ggc-common.c: PROTO -> PARAMS.
7083 * ggc-page.c: Likewise.
7084 * ggc-simple.c: Likewise.
7086 * global.c: Likewise.
7087 * graph.c: Likewise.
7088 * gthr-win32.h: Likewise.
7089 * haifa-sched.c: Likewise.
7090 * halfpic.h: Likewise.
7091 * integrate.c: Likewise.
7092 * integrate.h: Likewise.
7095 * local-alloc.c: Likewise.
7099 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7101 * genattr.c: PROTO -> PARAMS.
7102 * genattrtab.c: Likewise.
7103 * gencheck.c: Likewise.
7104 * gencodes.c: Likewise.
7105 * genconfig.c: Likewise.
7106 * genemit.c: Likewise.
7107 * genextract.c: Likewise.
7108 * genflags.c: Likewise.
7109 * gengenrtl.c: Likewise.
7110 * genopinit.c: Likewise.
7111 * genoutput.c: Likewise.
7112 * genpeep.c: Likewise.
7113 * genrecog.c: Likewise.
7115 2000-01-16 Mark Mitchell <mark@codesourcery.com>
7117 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
7119 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7121 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
7122 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
7123 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
7124 * configure, config.in: Rebuilt.
7126 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
7128 * config/i386/i386.md: Add peephole to merge successive stack
7131 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
7133 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
7134 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
7135 when walking backwards to find all the parameter loads when
7136 the basic block ends in a call.
7138 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7140 * loop.c (this_loop_info): Delete.
7141 (uid_loop): Add in place of uid_loop_num. All uses updated.
7142 (loop_number_exit_count): Delete and replace with entry in loop
7143 structure. All uses updated.
7144 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7145 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7146 (loop_outer_loop): Likewise.
7147 (loop_invalid, loop_number_exit_labels): Likewise.
7148 (loop_used_count_register): Delete and replace with entry in
7149 loop_info structure.
7150 (find_and_verify_loops): Add loops argument.
7151 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
7152 loop_end, etc. arguments with loop structure pointer. All callers
7154 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
7155 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
7156 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
7157 (insert_bct): Likewise.
7158 (basic_induction_var): New argument level.
7159 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
7160 vtop, and cont. Add used_count_register.
7161 (uid_loop): Delete declaration.
7162 (loop_number_exit_count): Likewise.
7163 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7164 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7165 (loop_outer_loop, loop_used_count_register): Likewise.
7166 (loop_invalid, loop_number_exit_labels): Likewise.
7167 (unroll_loop): Replace loop_start and loop_end arguments
7168 with loop structure pointer.
7169 (loop_precondition_p, loop_iterations): Likewise.
7170 Include basic-block.h.
7171 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
7172 with loop structure pointer.
7173 (loop_precondition_p, loop_iterations): Likewise.
7174 * basic-block.h (struct loop): New entries vtop, cont,
7175 cont_dominator, start, end, top, scan_start, exit_labels,
7177 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
7179 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7181 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
7183 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
7185 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
7187 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7189 * pdp11-protos.h: New file.
7191 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
7194 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
7197 * pdp11.md: Likewise.
7201 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7203 * mn10300-protos.h: New file.
7205 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
7208 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
7211 * mn10300.md: Likewise.
7213 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7215 * mn10200-protos.h: New file.
7217 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
7220 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
7223 * mn10200.md: Likewise.
7225 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7227 * h8300-protos.h: New file.
7229 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
7232 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
7235 * h8300.md: Likewise.
7237 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7239 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
7240 (asm_emit_uninitialised): Likewise.
7242 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
7244 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
7245 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
7247 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7249 * config/mips/mips.c (override_options): Don't turn on extra
7250 alignment for mips16.
7252 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7254 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
7255 eabi, and make sure queued POSTINCREMENT rtl is emitted at
7258 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7260 * builtins.c (PAD_VARARGS_DOWN): Define.
7261 (std_expand_builtin_va_arg): Use the above macro.
7262 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
7263 * tm.texi (Register Arguments): Document the above macro.
7265 2000-01-14 Nick Clifton <nickc@cygnus.com>
7267 * emit-rtl.c (emit_insn): If checking is enabled, make sure
7268 that this function has not been used to emit a jump
7271 * jump.c (return_jump_1): Cope with being passed a null rtx.
7273 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7275 * eh-common.h: PROTO -> PARAMS.
7276 * emit-rtl.c: Likewise.
7277 * errors.c: Likewise.
7278 * errors.h: Likewise.
7279 * except.c: Likewise.
7280 * except.h: Likewise.
7281 * explow.c: Likewise.
7282 * expmed.c: Likewise.
7285 * final.c: Likewise.
7286 * fix-header.c: Likewise.
7288 * fold-const.c: Likewise.
7289 * function.c: Likewise.
7290 * function.h: Likewise.
7292 * gcov-io.h: Likewise.
7296 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7298 * sh-protos.h: New file.
7300 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
7301 Add static prototypes. Fix compile time warnings.
7303 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
7307 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7309 * arc-protos.h: New file.
7311 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
7314 * arc.h: Move prototypes to arc-protos.h. Fix compile time
7319 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7321 * dsp16xx-protos.h: New file.
7323 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
7326 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
7329 * dsp16xx.md: Likewise.
7331 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7333 * convex-protos.h: New file.
7335 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
7338 * convex.h: Move prototypes to convex-protos.h. Fix compile time
7341 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7343 * elxsi-protos.h: New file.
7345 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
7348 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
7351 * elxsi.md: Likewise.
7353 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7355 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
7356 case for moving from HI/LO/HI_LO_REG. This makes the behavior
7357 match the comment for MIPS16.
7359 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
7361 * flow.c (split_edge): Do not call set_block_for_insn if we
7362 do not have a basic_block_for_insn structure.
7364 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
7365 and destination functions are 32bit aligned within the trampoline.
7366 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
7367 (TRAMPOLINE_ALIGNMENT): Define.
7369 * cse.c (cse_insn): When changing (set (pc) (reg)) to
7370 (set (pc) (label_ref)), verify the change creates a valid insn.
7372 * fr30.c (call_operand): Tighten and rework to match rules for
7373 call RTL expressions.
7374 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
7375 * fr30.md (call patterns): Improve constraints.
7377 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
7379 * fr30.c (fr30_expand_epilogue): Revert last change.
7380 Use emit_jump_insn for the return insn.
7382 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
7383 Stan Cox <scox@cygnus.com>
7385 * predict.c: New file. Preliminary infrastructure work for static
7386 branch prediction and basic block reordering.
7387 * basic-block.h: Add prototype for estimate_probability.
7388 * Makefile.in: Add rules for predict.o.
7390 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
7392 * fixincludes (va_list): Use __not_va_list__ for the dummy.
7393 * fixinc/*: Likewise.
7395 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7397 * cccp.c: PROTO -> PARAMS.
7399 * collect2.c: Likewise.
7400 * combine.c: Likewise.
7401 * convert.h: Likewise.
7403 * dbxout.c: Likewise.
7404 * dbxout.h: Likewise.
7405 * diagnostic.c: Likewise.
7406 * doprint.c: Likewise.
7407 * dwarf2out.c: Likewise.
7408 * dwarf2out.h: Likewise.
7409 * dwarfout.c: Likewise.
7410 * dwarfout.h: Likewise.
7411 * dyn-string.h: Likewise.
7413 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7415 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
7416 macro conditionals guarding use.
7418 * dwarf2out.c: Include "tm_p.h".
7420 * function.c (locate_and_pad_parm): Mark parameter with
7422 (expand_function_end): Likewise for variable `context'.
7424 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
7426 2000-01-13 Nick Clifton <nickc@cygnus.com>
7428 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
7429 register to prevent compile time warnings.
7431 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
7433 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
7434 to avoid -Wtraditional warning.
7436 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7438 * 1750a-protos.h: New file.
7440 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
7443 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
7446 * 1750a.md: Likewise.
7448 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7450 * a29k-protos.h: New file.
7452 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
7455 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
7458 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7460 * clipper-protos.h: New file.
7462 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
7465 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
7468 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7470 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
7472 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
7474 * configure.in (--enable-new-gxx-abi): New option.
7475 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
7476 * Makefile.in (GXX_ABI_FLAG): New variable.
7477 * configure: Regenerate.
7479 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7481 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
7482 * tm.texi (FORCE_STRUCT_BLK): Document.
7483 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
7485 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
7487 * config/ns32k/ns32k.md: Revert Jan 9 change.
7489 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
7490 to a mode-test, if the predicate is address_operand.
7492 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
7494 * combine.c (if_then_else_cond): Be careful about what kinds
7495 of RTL expressions are passed to operand_subword.
7497 * flow.c (split_edge): If we have to insert a new jump, make
7498 sure to associate it with a basic block.
7500 * flow.c (commit_one_edge_insertion): A block with one successor
7501 can end in a JUMP_INSN that is not a simplejump.
7503 2000-01-12 Robert Lipe <robertl@sco.com>
7505 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
7506 (BUILD_VA_LIST_TYPE): Define.
7507 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
7510 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
7512 * cccp.c (do_pragma): Add cast to (char *).
7514 2000-01-12 Richard Henderson <rth@cygnus.com>
7515 Fred Fish <fnf@be.com>
7516 Jason Merrill <jason@cygnus.com>
7518 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
7519 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
7520 * i386/beos-elf.h, i386/beos-pe.h: New files.
7522 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
7523 * cross-make (SYSTEM_HEADER_DIR): Define using
7524 CROSS_SYSTEM_HEADER_DIR.
7526 * gcc.c (LIBRARY_PATH_ENV): Provide default.
7527 (process_command): Use it.
7528 (main): Likewise. Kill trailing = from env vars.
7529 (build_search_list): Put it back.
7530 * collect2.c (main): Use LIBRARY_PATH_ENV.
7532 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
7533 * toplev.c: Use NEED_DECLARATION_ENVIRON.
7535 * tm.texi (Frame Layout): Document SMALL_STACK.
7536 * c-common.c (c_common_nodes_and_builtins): Check it.
7538 * system.h: Undef alloca after including glibc's <stdlib.h>,
7539 if USE_C_ALLOCA is defined.
7541 * gcc.c (set_input): New fn.
7542 (main): After all input files are compiled, reset the input file
7545 * aclocal.m4 (rindex, index): If already defined, don't attempt
7548 * ginclude/varargs.h: (__va_list__): Define ifndef.
7549 * ginclude/stdarg.h: Likewise.
7551 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
7552 instead of unsigned char.
7554 * hash.h (true, false, boolean): Undef before enum.
7556 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
7557 proper type of "HOST_WIDE_INT *", rather than their natural type of
7558 "unsigned HOST_WIDE_INT *".
7560 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7562 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
7564 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
7566 * regclass.c (choose_hard_reg_mode): Likewise.
7568 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
7570 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
7572 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7574 * c-common.c: PROTO -> PARAMS.
7575 * c-common.h: Likewise.
7576 * c-decl.c: Likewise.
7577 * c-iterate.c: Likewise.
7578 * c-lang.c: Likewise.
7579 * c-lex.c: Likewise.
7580 * c-lex.h: Likewise.
7581 * c-parse.in: Likewise.
7582 * c-pragma.c: Likewise.
7583 * c-pragma.h: Likewise.
7584 * c-tree.h: Likewise.
7585 * c-typeck.c: Likewise.
7586 * objc/objc-act.c: Likewise.
7587 * objc/objc-act.h: Likewise.
7589 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7591 * m88k-protos.h: New file.
7593 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
7596 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
7598 * m88k.md: Likewise.
7600 * tekXD88.h: Likewise.
7602 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7604 * m68k-protos.h: New file.
7606 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
7609 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
7611 * mot3300.h: Likewise.
7613 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
7615 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
7617 (extract_bitlist): Declare bitlen.
7619 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
7621 * cccp.c: Accept and ignore -lang-fortran.
7623 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
7624 qualifiers don't match at any level of pointerness.
7626 2000-01-12 Robert Lipe <robertl@sco.com>
7628 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
7630 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
7632 * reload1.c (reload_reg_unavailable): New static variable.
7633 (reload_reg_free_p): Test it.
7634 (reload_reg_free_for_value_p): Test it instead of
7636 (choose_reload_regs_init): Compute it.
7638 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
7640 * reorg.c (fill_slots_from_thread): Check modified_in_p
7643 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
7645 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
7646 these nodes even if INTERNALS is not set.
7648 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
7650 * gcse.c (delete_null_pointer_checks_1): Cope when
7651 get_condition cannot determine the condition.
7653 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
7655 * toplev.h (set_message_length): Declare.
7657 * diagnostic.c (obstack_chunk_alloc): Define macro.
7658 (obstack_chunk_free): Likewise.
7659 (struct output_buffer): New data structure.
7661 (output_maximum_width): New variable.
7662 (doing_line_wrapping, set_message_length, init_output_buffer,
7663 get_output_prefix, output_space_left, emit_output_prefix,
7664 output_newline, output_append, output_puts, dump_output,
7665 vbuild_message_string, build_message_string, build_location_prefix,
7666 voutput_notice, output_printf, line_wrapper_printf,
7667 vline_wrapper_message_with_location): New functions. Implement
7668 automatic line wrapping.
7669 (v_message_with_decl): Make it handle automatic line wrapping.
7670 (v_error_with_file_and_line): Likewise.
7671 (v_warning_with_file_and_line): Likewise.
7672 (announce_function): Likewise.
7673 (default_print_error_function): Likewise.
7675 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
7677 * cpplib.h (struct cpp_options): Change lang_asm to char.
7679 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
7680 done in cpp_handle_option now.
7681 (initialize_builtins): Take out special case code used only by
7683 (cpp_handle_option): Turn off trigraphs and trigraph warnings
7684 if -traditional. Recognize -lang-fortran and set
7685 lang_fortran, also turn off cplusplus_comments.
7686 (print_help): Document -lang-fortran.
7687 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
7688 lang_asm. Ignore all directives other than `# 123 "file"' if
7690 (cpp_get_token): If -traditional, don't recognize directives
7691 unless the # is in column 1.
7692 (parse_string): If lang_fortran or lang_asm, silently
7693 terminate strings ('' or "") at end of line.
7694 Remove unnecessary braces.
7696 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7697 Richard Henderson <rth@cygnus.com>
7699 * resource.c (mark_referenced_resources): Mark a set strict_low_part
7701 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
7702 strict_low_part when possible.
7704 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7706 * alias.c: PROTO -> PARAMS.
7707 * basic-block.h: Likewise.
7708 * bitmap.c: Likewise.
7709 * bitmap.h: Likewise.
7710 * builtins.c: Likewise.
7711 * c-aux-info.c: Likewise.
7712 * caller-save.c: Likewise.
7713 * calls.c: Likewise.
7715 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7717 * Makefile.in (toplev.o): Depend on regs.h.
7719 * output.h (tdesc_section): Prototype.
7721 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
7723 * sdbout.c: Include "tm_p.h".
7725 * toplev.c: Include "regs.h".
7727 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
7729 * unroll.c (unroll_loop): Add EH support.
7731 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7733 * pa-protos.h: New file.
7735 * pa.c: Include recog.h and tm_p.h.
7736 (compute_zdepwi_operands, compute_movstrsi_length,
7737 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
7738 find_addr_reg, import_milli): Add static prototypes.
7739 (pa_cpu_string, pa_arch_string): Constify a char*.
7740 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
7741 (read_only_operand): Add argument `mode'.
7742 (singlemove_string, output_move_double, output_fp_move_double,
7743 output_block_move, output_and, output_ior, output_ascii,
7744 remove_useless_addtr_insns, milli_names, output_mul_insn,
7745 output_div_insn, output_mod_insn, output_arg_descriptor,
7746 output_cbranch, output_bb, output_bvb, output_dbra, ,
7747 output_millicode_call, output_call, hppa_encode_label,
7748 output_parallel_movb, output_parallel_addb): Constify a char*.
7749 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
7750 (output_parallel_addb): Remove extra arg to `constrain_operands'
7752 * pa.h: Move all prototypes to pa-protos.h.
7753 (pa_cpu_string, pa_arch_string): Constify a char*.
7754 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
7756 * pa.md: Call `function_label_operand' with mode argument.
7757 Likewise for `read_only_operand'.
7758 Fix nesting of parens in call to `symbolic_operand'.
7760 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7762 * i860-protos.h: New file.
7764 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
7767 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
7769 * i860.md: Likewise.
7771 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
7773 * i386.md (movstrsi expander): Rewrite.
7774 (movstrsi_1 insn): Deleted.
7775 (strmovhi, strmovqi expander): New expanders.
7776 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
7777 * i386.c (x86_single_stringop): New global variable.
7778 * i386.h (x86_single_stringop): Declare.
7779 (TARGET_SINGLE_STRINGOP): New macro.
7781 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
7783 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
7784 integer vararg POSTINCREMENT before the destination of the jump
7785 for the hard fp case.
7786 (function_arg_pass_by_reference): Pass a copy of CUM to
7789 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
7790 for CONSTANT_ADDRESS_P above while loop for subreg.
7792 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
7794 * flow.c (propagate_block): When a prologue/epilogue insn
7795 is marked dead, unconditionally clear libcall_is_dead and
7796 insn_is_dead, and only dump rtl if warnings aren't being
7799 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
7801 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
7802 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
7803 (FIXED_REGISTERS): Set dirflag as fixed.
7804 (CALL_USED_REGISTERS): Set dirflag as used.
7805 (REG_ALLOC_ORDER): Set dirflag as last one.
7806 (DIRFLAG_REG): New macro.
7807 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
7808 (HI_REGISTER_NAMES): Add dirflag.
7809 (DEBUF_PRINT_REG): Handle dirflag.
7810 * i386.md (type attribute): New cld and str types.
7811 (length_opcode attribute): Set cld and str to 1.
7812 (memory attribute): Set str to unknown - it is not clear from the
7814 (pent_np function unit): Prefixed string operations takes 12 cycles
7815 minimally; cld takes 2 cycles.
7816 (ppro_uops attribute): Str is "many" and cld is "few".
7817 (ppro_p0 unit): Handle cld here.
7818 (k6_alux unit): Handle cld and str types.
7819 (k6_load unit): It is ocupied by str opcodes.
7820 (k6_store unit): It is ocupied by str opcodes.
7821 (athlon_decode): Str is vector decoded.
7822 (athlon_ieu): Handle str and cld.
7824 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
7825 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
7826 cmpstrsi_nz_1 insn): Do not output cld instruction
7828 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
7830 * gcc.texi (G++ and GCC): Add Java and Chill.
7831 (Bug Critera): Don't list languages.
7833 * gcc.texi (Incompatibilities): No longer claim most C compilers
7836 * gcc.texi (G++ and GCC): Update other front-ends list.
7838 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
7840 * i386.c (ix86_expand_setcc): Fix typo.
7841 (ix86_expand_movcc): Similarly.
7843 * Band-aid until haifa's bitset implementation is nuked.
7844 * haifa-sched.c (extract_bitlst): New parameter for size of the
7845 bitset in bits. All callers changed. Avoid looking at undefined
7847 (edgeset_bitsize): New variable.
7848 (schedule_region): Initialize edgeset_bitsize.
7850 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7852 * Makefile.in (optabs.o): Depend on real.h
7853 (resource.o): Depend on insn-attr.h
7855 * builtins.c (result_vector): Wrap prototype in macro conditions
7856 governing definition and use.
7858 * c-common.c: Include tm_p.h.
7860 * c-lex.c: Likewise.
7862 * elfos.h: Constify a char*.
7864 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
7865 (get_attr_length, shorten_branches, profile_after_prologue): Mark
7866 parameter with ATTRIBUTE_UNUSED.
7868 * fold-const.c (exact_real_inverse): Wrap variable `i' in
7871 * haifa-sched.c (schedule_insns): Mark parameter with
7874 * optabs.c: Include real.h.
7876 * real.h (ereal_atof): Add prototype arguments.
7878 * resource.c: Include insn-attr.h.
7880 * sdbout.c (sdbout_queue_anonymous_type,
7881 sdbout_dequeue_anonymous_types): Wrap in macro
7882 SDB_ALLOW_FORWARD_REFERENCES.
7883 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
7886 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
7888 * stupid.c: Include tm_p.h.
7890 * tree.c (real_value_from_int_cst): Mark parameter with
7893 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7895 * i960-protos.h: New file.
7897 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
7900 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
7902 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7904 * combine.c (expand_field_assignment): Do not discard SUBREGs
7905 while computing nonzero_bits.
7907 2000-01-09 Nick Clifton <nickc@cygnus.com>
7909 * config/arm/arm.c: Fix compile time warnings about signed vs
7911 * config/arm/arm.h: Fix compile time warnings about signed vs
7914 2000-01-09 Philip Blundell <philb@gnu.org>
7916 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
7917 than `ldm' with only one register.
7918 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
7921 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
7924 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
7926 * config/ns32k/ns32k.md (load or push effective address): Operand 1
7929 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7931 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
7932 assignment used as truth value.
7934 * function.c (assign_temp): Mark parameter `dont_promote' with
7935 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
7936 PROMOTE_FOR_CALL_ONLY.
7938 * genrecog.c (write_subroutine): Mark variable `operands' with
7941 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
7944 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
7945 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
7947 * toplev.c (note_deferral_of_defined_inline_function): Likewise
7950 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7952 * config/c4x.h: Tidy up comments.
7953 * config/c4x.c: Likewise.
7955 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
7957 * fold-const.c (lshift_double, rshift_double): Handle
7958 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
7960 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7962 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
7963 in prepare_function_start().
7965 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
7967 * config/v850/v850.c (expand_epilogue): Interrupt functions no
7968 longer allocate extra stack for function calls.
7970 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7972 * config/c4x/c4x.md (*subqf3_set): Fix typo.
7974 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7976 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
7978 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7980 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7981 * aix43.h: Revert Aug 2 change.
7982 (HAS_INIT_SECTION): Define, not visible yet.
7983 (LD_INIT_SWITCH): Define, not visible yet.
7984 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7986 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
7988 * collect2.c (main): Expand ld2 size further.
7989 (export_object_lst): Cast assignment to avoid warning.
7990 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
7991 (scan_prog_file, COFF): Do not collect initialization or
7992 finalization functions generated for entire shared object if
7993 init/fini support present.
7995 2000-01-07 Nick Clifton <nickc@cygnus.com>
7997 * config/elfos.h: Tidy up formatting of marcos. Make sure
7998 that .section directives are always prefixed by a tab.
8000 * config/svr4.h: Add #include "elfos.h" and remove duplicate
8003 2000-01-07 Matt Austern <austern@sgi.com>
8005 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
8008 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
8010 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
8012 (crtbegin.o, s-crtS): Likewise.
8014 2000-01-06 Richard Henderson <rth@cygnus.com>
8016 * alpha.md (adddi_2+1): Limit offset such that it will be
8017 loadable with a single ldah+lda pair.
8018 (adddi_2+2): Explicitly fail split if we can't make it work.
8020 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
8022 * protoize.c: Conditionally include unistd.h.
8023 (IS_SAME_PATH_CHAR): New macro.
8024 (IS_SAME_PATH): New macro.
8025 (CPLUS_FILE_SUFFIX): New macro.
8026 (cplus_suffix): New static variable.
8027 (is_abspath): New static function.
8028 (in_system_include_dir): Handle DOS style pathnames.
8029 (file_could_be_converted): Likewise.
8030 (file_normally_convertible): Likewise.
8031 (directory_specified_p): Likewise.
8032 (file_excluded_p): Likewise.
8033 (abspath): Likewise.
8034 (shortpath): Likewise.
8035 (referenced_file_is_newer): Likewise.
8036 (save_def_or_dec): Likewise.
8037 (do_processing): Likewise.
8039 (edit_file): Likewise. Use rename instead of link.
8040 (rename_c_file): Likewise. Don't rename syscalls file.
8041 (munge_compile_params): Define null device for DOS based systems.
8042 (process_aux_info_file): Use binary mode if appliable.
8043 (edit_file): Likewise.
8044 * invoke.texi (Running Protoize): Document C++ suffixes used.
8046 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
8047 IS_DIR_SEPARATOR macros.
8048 * collect2.c: Likewise.
8049 * cppinit.c: Likewise.
8050 * dwarf2out.c: Likewise.
8053 * prefix.c: Likewise.
8055 * toplev.c: Likewise.
8056 * system.h: And move to here.
8058 * prefix.c (update_path): Fix typo in variable name.
8060 2000-01-06 Richard Henderson <rth@cygnus.com>
8062 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
8063 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
8064 (count_reg_sets_1, count_reg_references): Likewise.
8065 (flow_loops_level_compute): Start counting actual loop depth at 1.
8066 (flow_loops_find): Likewise.
8067 * local-alloc.c (update_equiv_regs): Likewise.
8068 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
8070 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8072 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
8073 FIRST_PSEUDO_REGISTER
8074 * dwarf2out.c: Don't include frame.h
8075 * dwarfout.c: Likewise
8076 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
8079 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
8081 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8084 * i386.c (movsf splitter): Fix typo in my last checkin.
8086 2000-01-05 Nick Clifton <nickc@cygnus.com>
8088 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
8089 own definition of this macro.
8090 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
8091 flag_data_sections or UNIQUE_SECTION_P are true.
8093 * tm.texi (UNIQUE_SECTION): Document that it can be called for
8094 unitialised data decls.
8096 * config/i386/winnt.c (i386_pe_unique_section): Cope with
8097 being called for uninitialised data.
8099 * config/i386/interix.c (i386_pe_unique_section): Cope with
8100 being called for uninitialised data.
8102 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
8103 for uninitialised data.
8105 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
8106 for uninitialised data.
8108 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
8109 for uninitialised data.
8111 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
8112 (UNIQUE_SECTION_P): Always generate a unique section if
8113 flag_data_sections is true.
8114 (UNIQUE_SECTION): Also generate unique sections for
8116 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
8117 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
8120 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8122 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
8125 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8127 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
8128 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
8129 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
8130 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
8131 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
8133 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
8135 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8137 * c-decl.c (finish_enum): Simplify code to determine minimum and
8138 maximum values of the enum, and calculate the type. Remove check
8139 for FUNCTION_DECLs in the values list, which cannot happen. Replace
8140 the DECL_INITIAL of each enumeration constant with a copy converted
8141 to the enumeration type. When updating variant types, don't bother
8142 updating the type itself.
8144 * c-typeck.c (build_binary_op): Simplify conditional expressions
8145 when weeding out spurious signed-unsigned warnings. Add new
8146 spurious warning category: if the unsigned quantity is an enum
8147 and its maximum value fits in signed_type(result_type). Update
8149 (build_conditional_expr): Warn here if one alternative is signed
8150 and the other is unsigned.
8152 2000-01-05 Nick Clifton <nickc@cygnus.com>
8154 * config/fr30/fr30.h: Remove extraneous comments.
8156 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
8158 * reload1.c (choose_reload_regs): When disabling a reload, also
8159 set reload_spill_index to -1.
8161 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8163 * configure.in (m68*-*-rtemscoff*): New target, formal name for
8165 (m68*-*-rtemself*): New target.
8166 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
8167 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
8168 (sparc*-*-rtemself*): New target.
8169 (sparc*-*-rtems*): Now elf not a.out.
8170 * config/i386/rtems.h: Include config/rtems.h.
8171 * config/i386/rtemself.h: Include config/rtems.h.
8172 * config/i960/rtems.h: Include config/rtems.h.
8173 * config/m68k/rtems.h: Include config/rtems.h.
8174 * config/m68k/rtemself.h: Include config/rtems.h.
8175 * config/mips/rtems64.h: Include config/rtems.h.
8176 * config/pa/rtems.h: Include config/rtems.h.
8177 * config/rs6000/rtems.h: Include config/rtems.h.
8178 * config/sh/rtems.h: Include config/rtems.h.
8179 * config/sh/rtemself.h: Include config/rtems.h.
8180 * config/sparc/rtems.h: Include config/rtems.h.
8181 * config/sparc/rtemself.h: Include config/rtems.h
8183 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
8185 * final.c (shorten_branches): Correctly compute length of
8186 asms without operands.
8188 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
8190 * configure.in: Add pj target.
8191 * configure: Regenerate.
8192 * config/pj: New directory.
8193 * config/pj/lib1funcs.S: New file.
8194 * config/pj/linux.h: New file.
8195 * config/pj/pj.c: New file.
8196 * config/pj/pj.md: New file.
8197 * config/pj/pjl.h: New file.
8198 * config/pj/t-pj: New file.
8199 * config/pj/xm-pj.h: New file
8201 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
8203 * toplev.c (rest_of_compilation): Run shorten-branches before
8206 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8208 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
8209 macros so that they're consistent with their names.
8210 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8211 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8213 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8215 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
8216 modified inadvertently.
8218 2000-01-04 Joel Sherrill <joel@OARcorp.com>
8220 * configure.in (v850*-*-rtems*): New target.
8221 * configure: Regenerate.
8222 * config/v850/rtems.h: New file.
8224 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
8226 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
8227 (__gthread_key_create): Likewise.
8228 (__gthread_key_dtor): Likewise.
8229 (__gthread_once): Fix logic.
8230 (__gthread_key_delete): Cast away constness.
8232 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
8233 * invoke.texi: Document.
8234 * i386/mingw32.h (CPP_SPEC): Use.
8235 (LIBGCC_SPEC): Likewise.
8236 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
8238 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8240 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
8241 (HANDLE_PRAGMA_PACK): Undefine.
8242 (SLOW_UNALIGNED_ACCESS): Define.
8244 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8246 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8247 to default definition.
8248 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
8249 (store_fixed_bit_field): Call macro with word_mode and alignment.
8250 (extract_bit_field): Call macro with relevant mode and alignment.
8251 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8252 to default definition.
8253 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
8255 (move_by_pieces_ninsns): Likewise.
8256 (clear_by_pieces): Likewise.
8257 (emit_push_insn): Likewise.
8258 (store_field): Call macro with relevant mode and alignment.
8259 (expand_expr): Likewise.
8260 (expand_expr_unaligned): Likewise.
8262 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8263 (SLOW_UNALIGNED_ACCESS): Define.
8264 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8265 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8266 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8267 (toc_section): Likewise and .toc pseudo-op.
8268 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8270 (TEXT_SECTION_ASM_OP): Likewise.
8271 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8274 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
8275 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
8276 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
8277 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
8278 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
8280 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
8282 * regclass.c: Revert my Jan 4 change to loop cost computation.
8284 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8286 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
8289 2000-01-04 Stan Cox <scox@cygnus.com>
8291 * haifa-sched.c (build_control_flow): Change unreachable simple
8292 loop test to check if current block has only one predecessor.
8293 (find_rgns): Initialize degree. Use dest as degree index, not src.
8295 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8297 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
8299 * calls.c (expand_call): Likewise for
8300 `old_stack_arg_under_construction'.
8302 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
8304 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
8307 * gcc.c (execute): Likewise for `ut' and `st'.
8309 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
8311 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
8313 * jump.c (jump_optimize_1): Likewise for `temp2'.
8315 * local-alloc.c (block_alloc): Likewise for `r1'.
8317 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
8319 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
8320 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
8322 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
8325 * reload.c (find_reloads): Likewise for `goal_alternative_number'
8326 and `goal_earlyclobber'.
8328 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
8330 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
8332 * stupid.c (stupid_life_analysis): Likewise for `chain'.
8334 * unroll.c (copy_loop_body): Likewise for `copy'.
8336 * varasm.c (output_constructor): Likewise for `byte'.
8338 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8340 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
8341 all FP constants for constant->reg moves.
8342 (ix86_split_to_parts): Try to convert memory address into immediate
8343 when available in the constant pool.
8344 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
8346 (LEGITIMATE_CONSTANT_P): Return 1.
8347 * i386.md (pushsf): New splitter to convert constant pool memory
8348 reference to immediate.
8349 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
8352 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
8354 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
8355 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
8356 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
8357 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
8358 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
8360 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
8362 * ginclude/stdbool.h: Support compilation as C++.
8364 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8366 * fold-const.c (make_range): Don't try to reverse an unbounded range.
8368 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
8370 * regclass.c (regclass): Properly compute loop_cost. Adjust
8373 * regclass.c: Fix minor whitespace problems.
8375 2000-01-03 Anthony Green <green@cygnus.com>
8377 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
8378 Restore the pic register if required.
8380 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
8382 * c-common.c (format_char_info): Update comment.
8383 (check_format_info): Recognize 'z' modifier in the same way 'Z'
8384 was recognized. Emit warning for formats new in ISO C99 only
8385 if flag_isoc9x is not set.
8387 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
8389 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
8391 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8393 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
8394 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
8395 (make_compound_operation): Choose cheaper alternative between
8396 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
8398 * regclass.c (op_costs): Remove global variable.
8399 (record_reg_classes): New parameter "op_costs" and "reg_pref".
8400 (record_operand_costs): Break out from ...
8401 (scan_one_insn): ... here.
8402 (dump_regclass): Make dumps nicer.
8403 (regclass): Dump preferrences choosed and changes done during passes.
8405 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8407 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
8409 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8411 * config/sparc/sparc.c (gen_df_reg): New function.
8412 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
8413 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
8414 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
8415 movtf_cc_reg_sp64+1): Use it.
8417 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8419 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
8422 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8424 * config/i386/i386.c (ix86_expand_unary_operator): Function
8425 definition made void.
8426 (ix86_expand_binary_operator): Update outdated preceding comment.
8427 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
8430 * config/i386/i386.c (override_options): Fix option-name typo.
8432 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8434 * system.h (CEIL): Define.
8435 * builtins.c (CEIL): Remove.
8436 * expmed.c (CEIL): Likewise.
8437 * expr.c (CEIL): Likewise.
8438 * stor-layout.c (CEIL): Likewise.
8440 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8442 * expr.c (store_constructor_field): Fix typo introduced with last
8445 2000-01-01 Mark Mitchell <mark@codesourcery.com>
8447 * tree.h (BINFO_N_BASETYPES): New macro.
8449 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
8451 * expmed.c (emit_store_flag): Prevent losing a pending stack
8452 adjust the same way we prevent losing queued increments.
8454 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8456 * function.c (update_temp_slot_address): Handle case where sum of
8457 temporary address plus offset in register is a valid address.
8459 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8461 * genrecog.c (change_state) Corrected typo.
8463 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8465 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
8466 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
8467 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
8469 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
8471 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
8472 case, expand GT comparisons correctly. Fix a comment before this
8475 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8477 * dwarfout.c: Include "frame.h"
8478 * dwarf2out.c: Likewise.
8479 * Makefile.in (dwarfout.o): Depend on frame.h
8480 (dwarf2out.o): Likewise.
8482 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
8484 Restore i386 binary compatibility in Dwarf EH info.
8485 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
8486 value of FIRST_PSEUDO_REGISTER.
8487 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
8488 (struct frame_state): Use DWARF_FRAME_REGISTERS.
8489 * dwarfout.c (output_reg_number): Ditto.
8490 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
8491 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
8493 1999-12-29 Bruce Korb <autogen@linuxbox.com>
8495 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
8496 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
8497 (<hack>_RE_CT): not needed
8498 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
8499 rewritten to scan the file text once only
8500 "template<..." test added
8501 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
8502 (is_cxx_header): declaration added
8503 * fixinc/fixtests.c(is_cxx_header): removed
8504 (apply_fix_p_t): removed
8505 (double_slash_test): is_cxx_header is only called once now
8506 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
8507 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
8508 within the templates.
8509 The borken spelling of "broken" was fixed.
8510 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
8511 The default level depends on FIXINC_DEBUG.
8513 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8515 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
8516 Otherwise provide a declaration for atexit.
8517 (init_dummy): Make sure dummy call to atexit is nevertheless
8518 called with correct number of args.
8520 * frame.c: Update comments referring to other files.
8522 * libgcc2.c: Likewise.
8524 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8526 * cse.c (free_element, get_element): Remove unused prototypes.
8528 * fold-const.c (extract_muldiv): Initialize variables `op0' and
8531 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
8534 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
8536 * configure.in,configure: case arm for mn10200-*-* now sets
8537 float_format=i32 so that float.h will correctly claim "double"
8538 to be 32 bits. Ran autoconf to generate configure from .in file.
8540 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
8542 * pa.md (conditional zero): If op1 is a register, force it into
8543 the same register as op0.
8545 1999-12-28 Mark Mitchell <mark@codesourcery.com>
8547 * tree.h (BINFO_BASETYPES): Improve documentation.
8549 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8551 * configure.in (--enable-checking): Use a more portable `for'
8554 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8556 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
8557 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
8559 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
8562 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
8563 Delete descriptions.
8565 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
8566 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
8567 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
8568 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
8569 xm-svr4.h: Remove all instances of sys_siglist handling.
8571 1999-12-27 Jakub Jelinek <jakub@redhat.com>
8573 * config/sparc/sparc.md (cmp_zero_qi,
8574 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
8575 cmp_zero_extendqidi2_andcc_set): New patterns.
8577 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
8579 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
8580 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
8581 (fpgnulib.c, xfgnulib.c): Add rules.
8582 * m68k/t-mot3300-gas: Likewise.
8584 1999-12-27 Ian Lance Taylor <ian@zembu.com>
8586 * configure.in: Avoid [[ by using test and changequote. Add
8587 changequote required by 1999-12-14 change.
8588 * configure: Rebuild.
8590 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
8592 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
8594 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
8596 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
8597 * flow.c (find_use_as_address): Likewise.
8598 * function.c (fixup_var_refs_1): Likewise.
8599 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
8600 * jump.c (invert_exp, redirect_exp): Likewise.
8601 * loop.c (replace_call_address): Likewise.
8602 (count_nonfixed_reads): Likewise.
8603 * rtlanal.c (modified_between_p): Likewise.
8604 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
8605 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
8606 * unroll.c (remap_split_bivs): Likewise.
8608 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8610 * diagnostic.c (v_message_with_decl): Use .* format specifier
8611 instead of building the format specifier width manually.
8613 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
8614 determining whether to provide a prototype. Remove the
8615 sys_siglist clause in the conditional.
8617 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8619 * fold-const.c (operand_equal_p): Use memcmp to compare string
8621 Suggested by D. J. Bernstein
8623 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8625 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
8626 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8628 * config/mips/mips.h (TARGET_64BIT): Likewise.
8629 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
8630 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
8631 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
8632 dsps. Give routines proper names if SI/DI modes are not used.
8633 * longlong.h: Use DWunion instead of DIunion.
8635 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
8637 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
8638 GC_CHECKING, GC_ALWAYS_COLLECT.
8639 * configure.in: Allow --enable-checking with an argument
8640 listing check modes to enable.
8641 * config.in, configure: Rebuilt.
8642 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
8643 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
8644 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
8645 ENABLE_GC_ALWAYS_COLLECT.
8646 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
8648 * tree.h, tree.c: Change ENABLE_CHECKING to
8649 ENABLE_TREE_CHECKING throughout.
8651 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8653 * fold-const.c (fold_truthop): Properly check for FP RHS.
8655 1999-12-24 Mark Mitchell <mark@codesourcery.com>
8657 * toplev.h (note_deferall_of_defined_inline_function): Declare.
8658 * toplev.c (note_deferral_of_defined_inline_function): New
8659 function, split out from ...
8660 (rest_of_compilation): ... here. Use it.
8662 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8664 * expr.c (store_constructor): Don't call clear_storage if size is
8667 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8669 * Makefile.in (toplev.o): Depend on loop.h.
8671 * dwarfout.c: Include tm_p.h.
8673 * emit-rtl.c (restore_emit_status): Mark parameter with
8676 * final.c (final_scan_insn): Likewise.
8678 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
8679 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
8680 flow_depth_first_order_compute, flow_loop_pre_header_find,
8681 flow_loop_tree_node_add, flow_loops_tree_build,
8682 flow_loop_level_compute, flow_loops_level_compute,
8683 flow_loop_outside_edge_p): Add prototypes.
8684 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
8686 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
8687 Mark with ATTRIBUTE_NORETURN.
8689 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
8691 * local-alloc.c (no_conflict_p): Likewise.
8693 * loop.c (insert_bct): Hide definitions of variables with hidden
8695 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
8697 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
8698 with ATTRIBUTE_UNUSED.
8699 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
8700 (reg_scan): Likewise.
8702 * reload.c (find_reloads): Remove unused variables `changed'.
8704 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
8706 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
8707 Remove unused variable `insn'.
8709 * toplev.c: Include loop.h.
8710 (report_file_and_line): Remove unnecessary prototype.
8712 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
8714 * unroll.c (biv_total_increment): Likewise.
8716 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8718 * reload1.c (emit_input_reload_insns): Restore old behaviour
8719 wrt. 'special' reloads.
8721 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
8723 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
8724 hash.h. (cse.c): Don't depend on hashtab.h.
8726 * cse.c: Don't include hashtab.h.
8727 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
8729 * ggc-simple.c: Don't include hash.h.
8731 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
8733 * dwarf2out.c (add_abstract_origin_attribute): Call
8734 gen_abstract_function on our function context.
8736 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
8738 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
8740 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8742 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
8745 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8747 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
8748 constraints to "a!r".
8750 1999-12-21 Mark Mitchell <mark@codesourcery.com>
8752 * Makefile.in (calls.o): Depend on function.h.
8753 (alias.o): Likewise.
8755 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
8757 * reload1.c (emit_reload_insns): Break out code and variables into...
8758 (input_reload_insns, other_input_address_reload_insns,
8759 other_input_reload_insns, input_address_reload_insns,
8760 inpaddr_address_reload_insns, output_reload_insns,
8761 output_address_reload_insns, outaddr_address_reload_insns,
8762 operand_reload_insns, other_operand_reload_insns,
8763 other_output_reload_insns): ... new static variables, and...
8764 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
8765 do_output_reload): ... new functions.
8767 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8769 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
8771 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8773 * md.texi: Add c4x constraints documentation.
8775 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8777 * config/i386/dgux.c (struct option): Rename to
8778 lang_independent_option.
8779 (struct m_options): Add description field.
8780 (output_options): Rename option type, add sep declaration, output
8781 ix86_cpu_string and ix86_arch_string only if set.
8782 (output_file_start): Rename option type.
8784 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
8786 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
8788 (libgcc2.a): Similarly.
8790 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
8792 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
8793 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
8794 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
8796 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
8798 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
8799 Remove redundant initialization of "frexpon" and "expon".
8801 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8803 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
8805 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
8806 (store_constructor_field, expand_expr): Pass new arg.
8808 1999-12-20 Mark Mitchell <mark@codesourcery.com>
8810 * Makefile.in (explow.o): Depend on function.h.
8812 * stor-layout.c (set_sizetype): Fix typo.
8814 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
8816 * function.c (cfun): Renamed from current_function. All users
8818 * function.h (cfun): Rename declaration as well.
8820 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
8821 to be of type regset_head, not regset. All users changed by adding
8823 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
8825 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8827 * config/c4x/rtems.h: New file.
8829 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
8831 * reload1.c (spill_failure): Take class of failed reload as argument
8832 and print it. Caller changed.
8834 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8836 * rs6000.h (SUBTARGET_DEFAULT): New macro.
8837 (TARGET_SWITCHES): Allow subtargets to default switches.
8838 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
8840 1999-12-18 Mark Mitchell <mark@codesourcery.com>
8842 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
8845 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
8847 * cccp.c (main): Define __STDC_VERSION__ as necessary.
8848 * cppinit.c (cpp_handle_option): Likewise.
8850 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
8851 determine when to define.
8853 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
8855 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
8856 cmove with mismatched test and data modes.
8858 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
8860 * c-typeck.c (c_expand_start_case): Don't warn for long switch
8863 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8865 * alias.c: Minor reformatting.
8868 * stor-layout.c: Likewise.
8869 * fold-const.c: Likewise.
8870 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
8871 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
8873 (size_int_wide): Cache nodes even if garbage collecting.
8874 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
8875 of SAVE_EXPR has no side effects.
8876 * cse.c: Move a comment.
8877 * tree.c: Minor reformatting.
8878 (int_size_in_bytes): Return -1 if constant overflows.
8880 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8882 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
8884 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
8886 * objc/objc-parse.c: Regenerate. This file must be rebuilt
8887 after any change to c-parse.in, even if objc-parse.y didn't
8890 1999-12-18 David S. Miller <davem@redhat.com>
8892 * toplev.c (rest_of_compilation): Restore BLOCK tree
8893 reconstruction and branch shortening changes lost in
8894 December 18th change.
8896 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
8898 * config/arm/linux-elf.h: Change all instances of
8899 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
8900 * config/arm/uclinux-elf.h: Likewise.
8902 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
8904 * toplev.c (notice, vmessage, v_message_with_file_and_line,
8905 v_message_with_decl, file_and_line_for_asm,
8906 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
8907 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
8908 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
8909 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
8910 pfatal_with_name, fatal_io_error, need_error_newline,
8911 last_error_function, last_error_tick, announce_function,
8912 default_print_error_function, print_error_function,
8913 report_error_function, fnotice, error_with_file_and_line,
8914 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
8915 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
8916 warning_with_decl, warning_for_asm, warning, pedwarn,
8917 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
8919 (compile_file): Use fnotice instead of notice. Adjust call.
8921 * diagnostic.c: New file.
8923 * Makefile.in (OBJS): Include diagnostic.o
8924 (diagnostic.o): Define dependence.
8926 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8928 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
8931 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8933 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
8935 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8937 * fixtests.c (is_cxx_header): New fn, split out of
8939 (else_endif_label): Allow "#endif // comment" in C++ headers,
8940 as determined by is_cxx_header.
8941 * fixfixes.c (else_endif_label_fix): Update comment.
8942 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
8944 * genfixes: Correct double thinko in commandline parsing.
8945 * hackshell.tpl: Generate correct sh syntax for bypass
8948 * inclhack.def (all): Whenever an inserted preprocessor
8949 conditional is split over multiple lines, use double
8950 backslashes in this file so the fixed header will be readable.
8952 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
8953 and add bypass entry for correct version of this header.
8954 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
8955 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
8957 (hpux8_bogus_inlines): New fix, split from...
8958 (ultrix_atof_param) ... here.
8959 (math_expression): Add bypass entry keyed to glibc comment
8960 indicating the problem has been dealt with; disable
8961 unnecessary sed operations; update commentary.
8962 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
8963 add select and bypass entries, simplify shell operation.
8964 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
8966 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
8967 ultrix_atof_param): Add select entry.
8968 (stdio_va_list, sunos_mather_decl): Add bypass entry.
8969 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
8970 comments with the fixes they describe.
8972 * c-parse.in (string action): Do not warn about ANSI string
8973 concatenation in system headers. Affects C parser only.
8974 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
8976 1999-12-16 Jakub Jelinek <jakub@redhat.com>
8978 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
8979 compiling libgcc2 the macro depends always on arch cpp defines.
8981 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
8983 * loop.c (insert_loop_mem): Don't record MEMs from inside
8986 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
8988 * regclass.c (regclass): Do not use flowgraph when not optimizing.
8990 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
8991 notes too, create one when replacement failed, attempt to simplify
8993 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
8996 1999-12-16 Mark Mitchell <mark@codesourcery.com>
8998 * crtstuff.c (__dso_handle): Declare.
8999 (__cxa_finalize): Likewise.
9000 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
9003 * invoke.texi: Document -fuse-cxa-atexit.
9005 * tree.h (ptr_type_node): Document.
9006 (const_ptr_type_node): Likewise.
9008 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9010 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
9011 (optimize_reg_copy_2): Likewise.
9012 (optimize_reg_copy_3): Likewise.
9013 (fixup_match_2): Likewise.
9014 (regmove_optimize): Likewise.
9015 (fixup_match_1): Liekwise.
9017 * i386.md (HI to SImode promoting splitters): Rewrite.
9018 (pushsf mem peep2): New.
9019 (testhi to andhi peep2): Remove.
9020 * i386.h (x86_promote_QImode): New.
9021 (TARGET_PROMOTE_QImode): New.
9022 (PREDICATE_CODES): Add promotable_binary_operator.
9023 * i386.c (x86_promote_QImode0: New.
9024 (promotable_binary_operator): New.
9025 * i386-protos.h (promotable_binary_operator): New.
9027 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
9029 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
9031 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9033 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
9034 * function.c (insert_block_after_note): Remove.
9035 (retrofit_block): Likewise.
9036 (identify_blocks): Fix indentation.
9037 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
9038 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
9039 * function.h (insert_block_after_note): Remove prototype.
9040 (retrofit_block): Likewise.
9041 * integrate.c (expand_inline_function): Don't call
9042 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
9043 just expand_start_bindings. Use the block_map to remap old
9044 NOTE_BLOCKs to new ones.
9045 (integrate_decl_tree): Keep track of remapped blocks.
9046 * integrate.h (struct inline_remap): Add block_map.
9047 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
9048 NOTE_BLOCK on the notes.
9049 (expand_start_bindings): Rename to ...
9050 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
9051 (expand_end_bindings): Set NOTE_BLOCK.
9052 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
9053 reconstruct the BLOCK tree.
9054 * tree.h (expand_start_bindings): Macroize. Call ...
9055 (expand_start_bindings_and_block): New function.
9057 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9059 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
9060 to match the format.
9062 1999-12-16 David S. Miller <davem@redhat.com>
9064 * expr.c (emit_move_insn_1): Only emit clobbers if one of
9065 the outputs is a SUBREG.
9066 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
9069 * config/sparc/sparc.c (epilogue_renumber): Add default case
9072 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9074 * toplev.c (rest_of_compilation): Run branch shortening after
9077 * regclass.c (loop_depth): Remove
9078 (scan_one_insn): Do not handle LOOP_NOTE insns.
9079 (regclass): Go through basic blocks and set loop_cost
9081 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
9083 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
9085 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9087 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
9088 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
9089 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
9091 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
9093 * loop.c (insert_loop_mem): Ignore memory clobbers.
9095 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
9098 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
9100 * profile.c: Remove redundant #include "output.h".
9102 * h8300.md (HImode preinc peephole): Fix typo.
9104 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9106 * function.c (retrofit_block): Abort if we don't find a suitable insn.
9107 (insert_block_after_note): Abort if we don't have a previous block.
9108 Remove FN parameter.
9109 * function.h: Adjust.
9111 1999-12-15 Mark Mitchell <mark@codesourcery.com>
9113 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
9114 argument more than once.
9116 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9118 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
9120 1999-12-15 Jakub Jelinek <jakub@redhat.com>
9122 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
9124 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9126 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
9127 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
9128 update stack_alignment_needed.
9129 (prepare_function_start): Initialize stack_alignment_needed
9130 * function.h (struct function): Add field stack_alignment_needed.
9132 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9134 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
9135 Handle live_throughout / dead_or_set instead of live_before /
9137 (save_call_clobbered_regs): Get register livenessinformation from
9138 chain->live_throughout.
9139 (add_stored_regs): New function.
9140 (insert_restore, insert_save): Add restored / saved registers to
9142 * global.c (reg_dies): New parameter chain.
9143 (reg_becomes_live): Third parameter is regs_set now.
9144 Changed all callers.
9145 (reg_dies): New parameter chain. Changed all callers.
9146 (build_insn_chain): Set live_throughout instead of
9147 live_before / live_after.
9148 * reload.h (struct insn_chain): Replace members live_before /
9149 live_after with live_throughout / dead_or_set.
9150 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
9151 instead of live_before / live_after.
9152 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
9153 (order_regs_for_reload, find_reg, finish_spills): Likewise.
9154 (choose_reload_regs_init): Likewise.
9155 * stupid.c (current_chain, find_clobbered_regs): Delete.
9156 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
9157 instead of chain->live_before / chain->live_after.
9158 (mark_hard_ref): New function.
9159 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
9161 1999-12-15 David S. Miller <davem@redhat.com>
9163 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
9165 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9167 * flow.c (calculate_loop_depth): Make global, remove prototype,
9168 rewrite to use new loop infrastructure.
9169 (find_basic_block): Remove calculate_loop_depth call.
9170 * toplev.c (rest_of_compilation): Call find_basic_block.
9171 * output.h (calculate_loop_depth): Declare.
9173 * flow.c (dump_flow_info): Dump loop_depth.
9174 (flow_loops_nodes_find): Increase loop_depth for basic block in the
9176 (flow_loops_find): Initialize the loop_depth for each basic block.
9178 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9180 * tree.c (decl_function_context): Handle virtual functions.
9182 * tlink.c (scan_linker_output): Don't look in demangled name when
9183 looking for linker output keywords.
9185 * dwarfout.c (output_type): We can defer namespace-scope classes.
9187 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
9189 * regclass.c (record_reg_classes): Update comment for merging
9190 register class preferences in reg->reg copies. Tighten conditions
9191 for merging register class preferences in reg->reg copies.
9193 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
9195 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
9197 1999-12-14 Geoff Keating <geoffk@cygnus.com>
9199 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
9200 (INIT_SECTION_ASM_OP): Delete.
9201 (FINI_SECTION_ASM_OP): Delete.
9202 (STARTFILE_SPEC): Define to hold just crtbegin.o.
9204 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
9206 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
9207 the abstract origin wasn't emitted.
9209 * dwarf2out.c (class_scope_p): New fn.
9210 (gen_subprogram_die): Use it.
9211 (gen_variable_die): Use it. Tweak logic.
9212 (gen_struct_or_union_type_die): Check context_die to determine
9213 if we're function-local.
9214 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
9216 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9218 * loop.c (check_dbra_loop): Can't reverse a biv that has
9221 1999-12-14 Nick Clifton <nickc@cygnus.com>
9223 * config/arm/arm.c: Add support for -mcpu=arm720 command line
9226 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9228 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
9229 for givs made from biv increments.
9231 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
9233 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
9234 * alpha.c (override_options): Recognize -mcpu=ev67.
9235 * alpha.h (CPP_CPU_EV67_SPEC): New.
9236 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
9237 (EXTRA_SPECS): Update.
9239 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
9241 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
9242 appropriate for -lang-c89 and -std=*.
9243 * cppinit.c (cpp_handle_option): Likewise.
9244 (new_pending_define): New, split out from cpp_handle_option.
9245 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
9246 or enable trigraphs for -ansi/-std=*.
9248 * ginclude/stdarg.h (__va_copy): New.
9249 (va_copy): Don't define for C89.
9251 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
9253 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
9254 for long long multiply-accumulate.
9256 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9258 * regclass.c (scan_one_insn): Set loop_cost to 1 when
9259 optimizing for size.
9261 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9263 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9264 if something changed. Back out that part of yesterday's changes.
9266 * loop.c (loop_max_reg): New static variable.
9267 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9269 (scan_loop): Call reg_scan_update whenever we may have added new
9270 registers, and update loop_max_reg.
9272 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9274 * regclass.c (record_reg_classes): Do not do the copying preferrencing
9275 when source does not die.
9277 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
9279 1999-12-14 Jakub Jelinek <jakub@redhat.com>
9281 * config/sparc/linux64.h (TARGET_LIVE_G0,
9282 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
9284 * config/sparc/linux.h (TARGET_LIVE_G0,
9285 TARGET_BROKEN_SAVERESTORE): Likewise.
9286 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9287 TARGET_BROKEN_SAVERESTORE): Likewise.
9289 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
9290 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
9292 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
9293 as sparc64 block profiling register.
9294 * config/sparc/sparc.c (sparc_override_options): Allow block
9295 profiling with -m32.
9296 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
9298 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
9299 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
9300 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
9302 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
9304 * config/sparc/sparc.h: Likewise.
9305 * config/sparc/xm-sysv4-64.h: Likewise.
9306 * config/float-sparc.h: Likewise.
9307 * glimits.h: Likewise.
9308 * longlong.h: Likewise.
9310 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
9311 (ASM_IDENTIFY_GCC): Remove.
9313 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9315 * combine.c (combine_simplify_rtx): Don't make shared rtl.
9316 (simplify_logical): Likewise.
9318 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9320 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
9321 * cppfiles.c (INO_T_EQ): Likewise.
9323 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9325 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
9326 * i386/mingw32.h (LIB_SPEC): Likewise.
9327 (STARTFILE_SPEC): Likewise.
9328 * i386/uwin.h (LIB_SPEC): Likewise.
9329 (STARTFILE_SPEC): Likewise.
9331 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
9332 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
9334 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
9336 * combine.c (combine_simplify_rtx): Fix order of checks for
9337 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
9339 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
9341 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
9342 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
9344 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9346 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
9348 * regclass.c (inv_reg_alloc_order): New array.
9349 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
9351 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
9352 counted_for_groups, counted_for_nongroups. Add fields rld and
9354 * reload.c (push_secondary_reload): Don't set nongroup field of
9356 (push_reload): Likewise.
9357 (find_reloads): Delete code to compute nongroup fields.
9358 * reload1.c (reload_insn_firstobj): New static variable.
9359 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
9361 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
9362 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
9363 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
9365 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
9367 (struct hard_reg_n_uses): Deleted.
9368 (potential_reload_regs): Deleted.
9369 (init_reload): Initialize spilled_pseudos and pseudos_counted.
9370 (reload): Don't try to allocate reload registers if we already know
9371 we have to make another pass. Call select_reload_regs. Free memory
9372 starting with reload_firstobj when starting another pass.
9373 Don't allocate spilled_pseudos.
9374 (calculate_needs_all_insns): Call copy_reloads for an insn that
9375 needs reloads; don't call calculate_needs.
9376 (spill_cost): New static array.
9377 (used_spill_regs_local): New static variable.
9378 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
9379 to compute potential_reload_regs.
9380 (find_reload_regs): Completely rewritten to use find_reg.
9381 (allocate_reload_reg): Don't test counted_for_groups or
9382 counted_for_nongroups. Lose NOERROR arg and code to give an error;
9384 (choose_reload_regs): Add fallback code that uses the existing
9385 register allocation from find_reload_regs.
9387 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
9389 * flow.c (create_edge_list): Cast xmalloc return value.
9391 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
9393 * doprnt.c: Remove incorrect comment closure.
9395 * cse.c: Fix a few minor whitespace goofs.
9397 1999-12-13 Don Bowman <don@pixstream.com>
9399 * mips/vxworks.h: Fix problem with comment termination.
9400 (EXTRA_SECTIONS): Add in_sbss.
9401 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
9403 1999-12-12 David S. Miller <davem@redhat.com>
9405 * cse.c (struct cse_reg_info): Add hash_next member,
9406 reorder rest of struct for better packing on 64-bit
9408 (cse_reg_info_tree): Kill.
9409 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
9410 REGHASH_FN): New custom pow2 hash mechanism.
9412 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
9413 use a pow2 hash table.
9414 (get_cse_reg_info): Rework to use new REGHASH.
9415 (new_basic_block): Likewise, use HASH_SIZE, and inline
9417 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
9418 and inline free_element call.
9419 (lookup_as_function, insert, flush_hash_table, invalidate,
9420 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
9421 invalidate_for_call, use_related_value, find_comparison_args,
9422 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
9423 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
9426 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
9428 * cse.c (cse_basic_block): Free qty_table consistently.
9430 1999-12-12 David S. Miller <davem@redhat.com>
9431 Jakub Jelinek <jakub@redhat.com>
9433 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
9434 SUBREGs by hand, gen the appropriate hard reg directly.
9435 (movtf reg/mem split): Likewise and alter_subreg on destination
9437 (movtf mem/reg split): Similarly.
9438 (movdf_cc_sp64): Rename from hidden pattern.
9439 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
9440 (movtf_cc_sp64, following split): New pattern and splitter.
9441 (movdf_cc_reg_sp64): Rename from hidden pattern.
9442 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
9444 (movtf_cc_reg_sp64, following split): New pattern and splitter.
9446 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
9448 * loop.c (load_mems): Don't hoist written floating point mem
9451 1999-12-12 Mark Mitchell <mark@codesourcery.com>
9453 * except.h (struct eh_queue): Add `next' pointer.
9454 (struct eh_status): Make x_ehqueue a pointer.
9455 (push_ehqueue): Declare.
9456 (pop_ehqueue): Likewise.
9457 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
9459 (expand_fixup_region_end): Likewise.
9460 (expand_leftover_cleanups): Likewise.
9461 (push_ehqueue): Define.
9462 (pop_ehqueue): Likewise.
9463 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
9464 than doing it inline.
9465 (expand_start_all_catch): Adjust now that ehqueue is a
9467 (mark_eh_queue): Mark all level of the queue.
9468 (mark_eh_status): Adjust now that ehqueue is a
9470 (init_eh_for_function): Allocate ehqueue.
9471 (free_eh_status): Free it.
9472 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
9473 expansion for a fixup.
9475 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9477 * gthr-single.h (__gthread_active_p): Add prototype arguments.
9479 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
9480 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
9481 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
9482 function_ptr, getpagesize, __enable_execute_stack,
9483 __enable_execute_stack, __clear_insn_cache,
9484 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
9485 _cleanup, _exit, __default_terminate, __terminate_func,
9486 __terminate, __empty, __throw, new_eh_context,
9487 eh_context_initialize, eh_context_static, eh_context_specific,
9488 get_eh_context, __get_eh_context, __get_eh_info,
9489 init_reg_size_table, eh_threads_initialize,
9490 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
9491 __unwinding_cleanup, throw_helper, __throw, __rethrow,
9492 __pure_virtual): Add prototype arguments.
9493 (__bb_exit_func): Cast a sizeof to long when comparing against one.
9494 Cast a signed value to unsigned long when comparing against one.
9495 (new_eh_context): Wrap in _GTHREADS macro.
9496 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
9498 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
9499 (throw_helper): Initialize variables `handler_p' and `pc_p'.
9501 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9503 * combine.c (record_promoted_value): Remove unused variable
9506 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
9508 * global.c (record_conflicts): Likewise for `j'.
9510 * genoutput.c (output_insn_data): Don't unnecessarily cast away
9513 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9515 * i386-protos.h (output_387_binary_op, output_fix_trunc,
9516 output_fp_compare): Constify a char*.
9518 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
9520 (override_options, ix86_comp_type_attributes, print_operand,
9521 output_387_binary_op, output_fix_trunc, output_fp_compare):
9523 (ix86_sched_reorder): Mark parameter `clock_var' with
9526 * i386.h (DEBUG_PRINT_REG): Constify a char*.
9528 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
9530 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
9531 operand, for use in the Java front-end.
9533 1999-12-10 Ben Collins <bcollins@debian.org>
9535 * configure.in: Fix typo for "-64" in 64bit as check.
9536 * configure: Rebuilt.
9538 1999-12-10 Jakub Jelinek <jakub@redhat.com>
9540 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
9543 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9545 * c-parse.in (string): With -Wtraditional, warn if ANSI string
9546 concatenation is utilized.
9548 * invoke.texi (-Wtraditional): Document it.
9550 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9552 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
9553 Cast a ptrdiff_t to long and pass it to printf with %ld.
9555 1999-12-10 Geoff Keating <geoffk@cygnus.com>
9557 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
9558 68881, we have no 68881 registers at all.
9559 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
9560 value in a 68881 register if it is available.
9562 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
9564 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
9565 for long long multiply-accumulate.
9567 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9569 * loop.c (insert_loop_mem): Undo last change.
9571 1999-12-10 David S. Miller <davem@redhat.com>
9573 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
9575 * config/sparc/sparc-protos.h: Add them.
9576 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
9577 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
9578 constraints which use those helpers.
9579 (EXTRA_CONSTRAINT): Use this new macro.
9580 * md.texi: Update sparc target constraints documentation.
9581 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
9582 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
9583 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
9584 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
9585 (movsf high/lo_sum split): Rework for new patterns.
9586 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
9588 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9590 * c-common.c (c_common_nodes_and_builtins):
9591 Create __builtin_ptrdiff_t and __builtin_size_t.
9593 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
9595 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
9597 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9599 * regclass.c (globalize_reg): Re-instate test that allows
9600 fixed registers to be declared as a variable even after functions
9603 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9605 * i386.md (cpu attribute): Add "athlon".
9606 (athlon_decode): New attribute.
9607 (Athlon scheduling units definitions): New.
9608 (fcmp and shld patterns): Set athlon_decode to "vector".
9609 * i386.c (athlon_cost): New.
9611 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
9612 x86_use_sahf): Set for Athlon.
9613 (x86_use_fiop): Unset for Athlon.
9614 (override_options): Define Athlon alignments and "athlon" name.
9615 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
9616 * i386.h (TARGET_ATHLON): New.
9617 (enum processor_type): Add PROCESSOR_ATHLON.
9618 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
9620 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
9622 1999-12-09 Andreas Jaeger <aj@suse.de>
9624 * loop.c (record_biv): Declare parameter as int.
9626 * config/i386/i386-protos.h: Declare long_memory_operand.
9628 1999-12-09 Mark Mitchell <mark@codesourcery.com>
9630 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
9631 EXPR_WITH_FILE_LOCATION.
9633 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9635 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
9638 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
9640 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
9643 1999-12-09 Jakub Jelinek <jakub@redhat.com>
9645 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
9646 default on linux64 again.
9647 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
9648 models for multilibing.
9649 * genmultilib: Accept | as alternative separator within a set in
9652 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
9654 * calls.c (precompute_arguments): Make sure initial_value contains
9655 value pseudo which CSE expects.
9656 * cse.c (struct set): New entry orig_src.
9657 (cse_insn): Set it early on entry, use it for libcall EQUIV note
9660 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
9662 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
9664 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9666 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
9668 1999-12-08 Jakub Jelinek <jakub@redhat.com>
9670 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
9671 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
9673 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
9676 * longlong.h: Merge in changes from glibc.
9677 Also don't clobber %g2 register in 32bit SPARC assembly, so that
9678 -mno-app-regs libgcc can be compiled.
9679 * libgcc2.c: Add defines so that the updated longlong.h
9680 can be used in libgcc2.a. Also, make sure on most architectures
9681 (at least on all which have optimized code in longlong.h defined
9682 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
9684 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9686 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
9687 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
9688 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
9690 * configure: Rebuilt.
9692 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
9694 * alpha.c (secondary_reload_class): For !BWX, sub-simode
9695 outputs require a register.
9697 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
9699 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
9700 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
9701 functions like dptoul will be resolved.
9702 (libgcc2.a): Make sure that the object files from DPBIT are named
9703 differently (prefix `_dp') from those that would be coming from
9706 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
9708 * configure.in: When target is sparc* and tm_file contains 64,
9709 test for 64bit support in assembler. If not supported, remove
9710 sparc/t-sol2-64 from target-dependent Makefile fragments.
9711 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
9712 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
9713 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
9714 * acconfig.h (AS_SPARC64_FLAG): Added.
9715 * configure, config.in: Rebuilt.
9716 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
9717 support. Use AS_SPARC64_FLAG.
9719 1999-12-07 Jakub Jelinek <jakub@redhat.com>
9721 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
9722 suitable for holding OFmode values so that gcc works with complex
9724 (hard_64bit_mode_classes): Likewise.
9726 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
9727 so that it is actually matched.
9728 (sethi_di_medlow): Likewise.
9730 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
9731 as legitimate constant if -mvis.
9732 * config/sparc/sparc.md (movtf): Likewise.
9733 (clear_sf): Use const_double_operand.
9734 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
9736 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
9737 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
9738 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
9739 routines, _Qp_* cannot be handled like that now.
9740 (INIT_TARGET_OPTABS): Likewise.
9741 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
9742 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
9743 sparc_emit_float_lib_cmp if ARCH64 and soft float.
9744 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
9745 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
9746 divtf3, sqrttf3): New expanders.
9747 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
9748 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
9749 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
9752 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
9753 * configure: Rebuilt.
9754 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
9755 -mcpu is given and we're doing 64bit compiles.
9757 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
9759 * loop.h (struct induction): Add multi_insn_incr.
9760 * loop.c (basic_induction_var): New multi_insn_incr argument.
9761 Set it if we search back through previous insns for the biv.
9762 (record_biv): New multi_insn_incr argument; fill in struct induction.
9763 (strength_reduce): Discard an iv with multiple bivs, any of
9764 which require multiple insns to increment.
9766 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9768 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
9771 1999-12-06 David S. Miller <davem@redhat.com>
9773 * combine.c (check_promoted_subreg): Do not conditionalize this upon
9774 PROMOTE_FUNCTION_RETURN.
9776 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
9778 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
9779 and handle REG_UNUSED note on insn.
9781 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
9782 inner_mask instead of mask.
9784 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
9786 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
9787 zero if there was an error.
9789 1999-12-06 Jakub Jelinek <jakub@redhat.com>
9791 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
9794 * longlong.h: Fix clobbers in SPARC asm statements.
9796 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
9797 valid sethi operations when TARGET_ARCH64.
9799 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
9800 always use move_by_pieces to avoid infinite recursion.
9801 (restore_fixed_argument_area): Likewise.
9803 * combine.c (check_promoted_subreg, record_promoted_value): New
9805 (combine_instructions): Use them to retain nonzero and sign bit
9806 information after SUBREGs are eliminated by optimizations in
9807 this pass if PROMOTE_FUNCTION_RETURN.
9809 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
9810 .register declaration. Don't use variables with __ prefixes.
9812 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9814 * fold-const.c (optimize_bit_field_compare): Only use one mode
9815 for both RHS and LHS in non-constant case.
9817 1999-12-06 Nathan Sidwell <nathan@acm.org>
9819 * frame.c (start_fde_sort): Only allocate erratic array, if
9820 linear one was allocated. Return allocated flag.
9821 (fde_insert): Only insert, if there's a valid array.
9822 (fde_end_sort): Split, sort and merge if linear and erratic
9823 arrays exist, else just sort linear one.
9824 (search_fdes): New function. Linear search through original fde
9826 (frame_init): Permit multiple initializations. Cope with
9828 (find_fde): Fallback on linear search, if failed to sort array.
9829 (__deregister_frame_info): Only free sorted array, if we
9832 1999-12-06 Jakub Jelinek <jakub@redhat.com>
9834 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
9836 1999-12-05 Jakub Jelinek <jakub@redhat.com>
9838 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
9840 1999-12-05 Mark Mitchell <mark@codesourcery.com>
9842 * tree.h (special_function_p): Declare.
9843 * calls.c (special_function_p): Make it global. Don't take `name'
9844 as a parameter. Fix typo in 1999-11-28 change.
9845 (expand_cal): Adjust.
9847 1999-12-04 Mark Mitchell <mark@codesourcery.com>
9849 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
9850 * tree.h (EXPR_WFL_FILENAME): Define in terms of
9851 EXPR_WFL_FILENAME_NODE.
9852 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
9854 * print-tree.c (print_note): Print TREE_PRIVATE and
9857 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
9858 the original die cannot be found.
9860 * varray.h (varray_head_tag): Add elements_used.
9861 (VARRAY_PUSH): New macro.
9862 (VARRAY_POP): Likewise.
9863 (VARRAY_TOP): Likewise.
9864 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
9866 * varray.c (varray_init): Initialize elements_used.
9867 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
9868 (INTEGRATE_H): New variable.
9869 (integrate.o): Depend on INTEGRATE_H.
9870 (unroll.o): Likewise.
9872 * function.h (insert_block_after_note): Declare.
9873 * function.c (insert_block_after_note): Split out from ...
9874 (retrofit_block): ... here.
9876 * stmt.c (expand_fixup): Fix typo in comment.
9878 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9880 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
9881 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
9882 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
9883 (regmove_optimize, fixup_match_1): Likewise.
9885 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9887 * flow.c (flow_loops_dump): Add missing argument when calling
9890 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
9891 Greg McGary <gkm@gnu.org>
9893 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
9894 (init_attributes): Add A_NO_LIMIT_STACK.
9895 (decl_attributes): Handle A_NO_LIMIT_STACK.
9896 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
9897 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
9898 Handle stack bounds checking.
9899 * flags.h (flag_stack_check): Use the word 'probe' rather than
9900 'check', because the flag doesn't actually cause any checking to
9902 * function.c (expand_function_start): Set
9903 current_function_limit_stack.
9904 * function.h (struct function): Add limit_stack.
9905 (current_function_limit_stack): Define.
9906 * invoke.texi (Code Gen Options): Document new options.
9907 * rtl.h: Declare stack_limit_rtx.
9908 * toplev.c (stack_limit_rtx): New variable.
9909 (decode_f_option): Handle new options -fstack-limit-register=REG,
9910 -fstack-limit-symbol=IDENT, -fno-stack-limit.
9911 (main): Add stack_limit_rtx as GC root.
9912 * tree.h (DECL_NO_LIMIT_STACK): New macro.
9913 (struct tree_decl): New member no_limit_stack.
9915 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
9917 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
9918 (conditional_trap+1): Get new mnemonic correct.
9919 (conditional_trap+2): New pattern for DImode traps.
9921 * config/m68k/m68k.c (output_function_prologue): Handle
9923 * config/m68k/m68k.md (trap): New insn.
9924 (conditional_trap): New insn.
9925 * md.texi (Standard Names): Document `trap' and
9927 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
9928 so a cc0 setter doesn't get emitted at some random place in the
9931 * config/i960/i960.md (trap): New insn.
9932 (conditional_trap): New expander.
9933 (conditional_trap+1, conditional_trap+2): New insns for signed
9935 * config/i960/i960.c (i960_function_prologue): Use
9936 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
9938 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
9939 Geoffrey Keating <geoffk@cygnus.com>
9941 * flags.h (warn_padded, warn_packed): Add global var decls.
9942 * toplev.c (warn_padded, warn_packed): Add global var defns.
9943 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
9944 * stor-layout.c (layout_record): Add local variable `type'
9945 to hold often-used TREE_TYPE (field). Add local variable
9946 `unpacked_align' to hold alignment that would be in force
9947 if no `packed' attribute were present. Warn if `packed' attribute
9948 is unnecessary, or even harmful. Warn when gcc inserts padding
9949 to satisfy alignment requirements of members. Use NULL_TREE
9950 when checking whether var_size is set.
9951 * invoke.texi: Document new flags.
9953 1999-12-03 Nathan Sidwell <nathan@acm.org>
9955 * frame.c (fde_split): Reimplement to avoid variable sized array.
9957 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9959 * combine.c (try_combine): Before fixing up LOG_LINKS for the
9960 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
9962 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
9964 * invoke.texi: Document the mips option -mno-crt0
9966 1999-12-02 Mike Karr <mkarr@mathworks.com>
9968 * cccp.c (argdata): Added free_ptr member.
9969 (macroexpand): Initialize free_ptr of each argument. When an
9970 argument's buffers are freed, if the argument's free_ptr corresponds
9971 to a buffer on the input stack, then return the free_ptr to that stack
9972 frame, otherwise, free it.
9973 (macarg): If an argument begins and ends on the same input stack level,
9974 then transfer the free_ptr of that buffer to the argument in case
9975 the stack is popped during the processing of a subsequent argument.
9977 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
9979 * loop.c (note_reg_stored): New function.
9980 (struct note_reg_stored_arg): New structure.
9981 (try_copy_prop): Change to be more conservative; only replace within
9982 one extended basic block and stop replacing if a store to the
9983 replacement reg is seen.
9985 1999-12-02 Nick Clifton <nickc@cygnus.com>
9987 * config/fp-bit.c: Initialise all fields of the NAN
9990 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
9993 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
9995 * i386.md (extend?f?f2): Force the input into a register, not
9998 1999-12-01 Jakub Jelinek <jakub@redhat.com>
10000 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
10002 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
10003 alternative because setting up 64bit constant is usually costly,
10004 especially when reload is in progress or completed.
10005 (movdf_const_intreg_sp64): Likewise.
10006 (movdf_const_intreg split): Fix building up constants when
10007 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
10009 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
10011 * combine.c (if_then_else_cond): Use const_true_rtx instead of
10012 const1_rtx for return values in EQ/NE comparison against (const_int 0)
10015 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
10016 (asm_file_start): Emit .am33 into assembly file when compiling for
10018 (print_operand_address): Handle POST_INC addresses.
10019 (can_use_return_insn, initial_offset): Check AM33 registers too.
10020 (expand_prologue): Check & save AM33 registers too.
10021 (expand_epilogue): Similarly.
10022 (secondary_reload_class): Handle AM33 specific secondary reloads.
10023 (output_tst): Emit efficient code for the AM33 too.
10024 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
10025 (TARGET_SWITCHES): Add -mam33 switch.
10026 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
10027 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
10028 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
10029 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
10030 (enum reg_class, REG_CLASS_NAMES): Likewise.
10031 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
10032 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
10033 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
10034 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
10035 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
10036 (HAVE_POST_INCREMENT): Define.
10037 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
10038 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
10039 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
10040 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
10041 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
10042 (zero_extend to SI from QI/HI): Likewise.
10043 (sign_extend to SI from QI/HI): Likewise.
10044 (mulsidi3, umulsidi3): New patterns for the AM33.
10045 (tstsi with zero extension from QI/HI): Add AM33 variants.
10046 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
10047 (return_internal_regs, store_movm): Handle new AM33 registers.
10048 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
10049 (LIBGCC, INSTALL_LIBGCC): Likewise.
10050 * invoke.texi: Document new flags.
10052 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10054 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
10055 (addsi3_carry): Likewise.
10056 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
10057 (sbbsi3_carry): Likewise.
10058 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
10059 (mulhi3): Likewise.
10060 (test?i_1): Ensure that only one operand is memory.
10061 (conditional move patterns): likewise.
10062 (shift and rotate patterns): Rewrite to expander, add
10063 "binary_operator_ok" to the condition.
10065 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
10066 * i386.h (procesor_costs): Add movzbl_load field.
10067 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
10068 non-Q registers, accept DImode registers anywhere.
10070 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
10071 * i386.c (*_cost): Set value for movxbl_load field.
10073 * (addsi): New add to lea splitter.
10074 (ashlsi): Likewise.
10075 (lea to add/shift peep2): New.
10077 1999-12-01 Mark Salter <msalter@cygnus.com>
10079 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
10080 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
10081 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
10083 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10085 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
10086 * i386.md (movsi_xor): New.
10088 (movsi_1, movhi_1, movqi_1): Remove.
10089 (movsi_2): Rename to movsi_1.
10090 (movhi_2): Rename to movhi_1.
10091 (movqi_2): Rename to movqi_1.
10092 (movdi_1): Remove; remove splitter.
10093 (movdi_2): Rename to movdi_1.
10094 (divmodsi4 splitter): Do not emit clobbers for move patterns.
10095 (long move peep2): Do not create QI or HI mode mov0s
10096 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
10098 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
10101 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
10102 (abs?f2_if): Likewise.
10104 1999-11-30 Alex Samuel <samuel@codesourcery.com>
10106 * ggc.h (ggc_test_and_set_mark): New macro.
10107 (ggc_mark_rtx): Use ggc_test_and_set_mark.
10108 (ggc_mark_tree): Likewise.
10109 (ggc_mark_rtvec): Likewise.
10110 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
10112 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
10114 * dwarf2out.c (scope_die_for): Only handle types. Only search for
10116 (decl_scope_table): Just an array of trees now.
10117 (push_decl_scope): Simplify.
10118 (dwarf2out_init): Adjust.
10119 (local_scope_p): New fn.
10120 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
10121 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
10122 (gen_typedef_die): Likewise.
10123 (gen_lexical_block_die): Don't call push/pop_decl_scope.
10124 (gen_inlined_subroutine_die): Likewise.
10125 (gen_abstract_function): Set current_function_decl temporarily.
10126 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
10127 Handle block extern declarations. Don't call push/pop_decl_scope.
10128 (gen_decl_die): Fix logic for block externs.
10130 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10132 * calls.c (special_function_p): Remove `realloc' and add `strdup'
10133 to the list of functions which have attribute malloc by default.
10135 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10137 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
10138 integer constant does not match the traditional type, limit the
10139 warnings to cases where the base of the type is ten.
10141 * invoke.texi (-Wtraditional): Document it.
10143 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10145 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
10146 * rs6000.md: Only access a CONST_INT with INTVAL
10148 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
10150 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
10151 (compute_nearerout): Likewise.
10152 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
10153 size_t to unsigned long for formatting.
10155 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10157 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
10158 Allow the user to override call-used/fixed state of %g2-5
10159 registers from the command line (with the exception of %g4 for
10161 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
10162 there is a higher chance of having a leaf function.
10163 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
10164 for ARCH64 which has %ccr register.
10165 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
10167 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
10168 insn accept into delay slot any insn which does not use %[ol]
10169 registers. Accept some LO_SUM and shift left by 1 for the normal
10171 (output_function_epilogue): Likewise.
10172 (epilogue_renumber): Added argument which inhibits any renumbering
10173 and just tests if the rtx does not use any %[ol] registers.
10174 (output_return): Reflect above change.
10176 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10178 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
10179 aggregate passing for sizes <= 16 bytes.
10181 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
10183 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
10184 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
10185 * reload.c (find_dummy_reload): Likewise.
10186 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
10187 * reload1.c (reload_as_needed): Likewise.
10188 * stupid.c (stupid_find_reg): Likewise.
10189 * tm.texi (Obsolete Register Macros): Delete section.
10190 * gmicro.h: Remove all traces of the two macros.
10191 * i386.h: Likewise.
10192 * m88k.h: Likewise.
10193 * mips.h: Likewise.
10195 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
10197 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
10198 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
10199 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
10200 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
10201 units for the sparclite86x chip.
10202 (flush): Revert October 14th change; add SImode specifically.
10203 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
10204 * invoke.texi: Document it.
10206 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
10208 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
10209 psimode_truncation_operand.
10211 * config/mn10200/mn10200.c (psimode_truncation_operand): New
10212 function. Return true if the operand is either a MEM valid
10213 for a PSImode address or not a MEM at all.
10215 * config/mn10200/mn10200.md (truncsipsi2): Use
10216 psimode_truncation_operand.
10218 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10220 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
10221 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
10222 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
10223 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
10224 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
10225 (flow_loop_level_compute, low_loops_level_compute): Likewise.
10226 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10227 * basic-block.h: Protect from multiple inclusion.
10228 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
10229 (struct loops, struct loop): Define structures.
10230 * sbitmap.c (sbitmap_a_subset_b_p): New function.
10231 * sbitmap.h: Protect from multiple inclusion.
10232 (sbitmap_a_subset_b_p): Add prototype.
10233 * Makefile.in (LOOP_H): New macro.
10234 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
10236 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
10238 * cppinit.c (CAT): The argument list of this macro may not contain
10241 1999-11-29 David S. Miller <davem@redhat.com>
10243 Move quantity tables and register equivalence chains into
10244 per-qty and per-register structure arrays respectively.
10245 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
10246 qty_const_insn, qty_comparison_code, qty_comparison_const,
10247 qty_comparison_qty): Delete, replace with...
10248 (qty_table): this structure table.
10249 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
10250 (reg_eqv_table): this structure table.
10251 (make_new_qty): Add argument MODE. Caller updated.
10252 Update to use qty_table and reg_eqv_table.
10253 (make_regs_eqv, delete_reg_equiv, insert_regs,
10254 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
10255 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
10256 cse_process_notes, cse_main, cse_basic_block): Likewise.
10258 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10260 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
10261 operation if C is negative.
10262 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
10263 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
10264 law for some divisions if constant is negative and change other
10265 divisions to the opposite rounding.
10267 * expr.c (store_constructor_field): If bit position is not multiple
10268 of alignment of TARGET's mode, use BLKmode.
10270 * expr.c (expand_expr_unaligned): Add more code from full case
10271 that is needed when OP0 is in a register.
10273 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10275 * dwarfout.c (field_byte_offset): Size can be zero if there was
10278 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10280 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
10281 (associate_trees): Delete unused var TEM.
10282 (extract_muldiv): Delete unused var CANCEL_P.
10284 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
10285 (target_isinf, target_isnan, target_negative): Add return types to
10286 function definitions.
10288 1999-11-29 Bruce Korb <autogen@linuxbox.com>
10290 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
10291 * fixinc/hackshell.tpl: ditto
10292 * fixinc/fixtests.c(double_slash_test): more C++ header testing
10293 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
10295 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10297 * reload.c (push_reload): When looking for a register to put into
10298 reg_rtx, make sure all hard regs in a multi-reg register are in the
10299 right class and nonfixed.
10301 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
10302 pending_read_insns, pending_write_insns, pending_read_mems,
10303 pending_write_mems, pending_list_length, last_pending_memory_flush,
10304 last_function_call, sched_before_next_call): Move static variables
10306 (bb_ prefixed versions): Replace with single array bb_deps.
10307 (struct deps): New structure.
10308 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
10309 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
10310 argument of type "struct deps *"; use that instead of global
10311 variables. All callers changed.
10312 (init_rgn_data_dependencies): Delete function.
10313 (init_rtx_vector): Delete function.
10314 (init_deps): New function.
10316 (free_pending_lists): Simplify, we always use the bb_deps array even
10317 if only one basic block.
10318 (compute_block_backward_dependences): Likewise.
10319 (schedule_region): Likewise.
10321 (propagate_deps): New function, broken out of
10322 compute_block_backward_dependences.
10323 (compute_block_backward_dependences): Use it.
10325 * alpha.md: Delete useless patterns that tried to work around
10326 register elimination problems.
10328 * unroll.c (loop_iterations): Don't abort if iteration variable
10331 From Joern Rennecke:
10332 * reload1.c (reloads_conflict): Reverse test comparing operand
10333 numbers when testing for conflict between output/outaddr reloads.
10335 1999-11-29 David S. Miller <davem@redhat.com>
10337 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
10339 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
10341 1999-11-28 Robert Lipe <robertl@cygnus.com>
10343 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
10344 table from .fini into .dtor.
10346 1999-11-28 Anthony Green <green@cygnus.com>
10348 * tree.h (struct tree_decl): Add malloc_flag.
10349 (DECL_IS_MALLOC): Define.
10350 * c-common.c (attrs): Add A_MALLOC attribute.
10351 (init_attributes): Add this attribute to the table.
10352 (decl_attributes): Handle malloc attribute.
10353 * calls.c (special_function_p): Check for the malloc attribute.
10354 * extend.texi (Function Attributes): Document malloc attribute.
10356 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
10358 * pa.md (reload shift-add patterns): Remove.
10360 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10362 * reorg.c (dbr_schedule) Print more statistics. Corrected
10363 problem when printing info when 3 delay slots are filled.
10365 1999-11-28 Jakub Jelinek <jakub@redhat.com>
10367 * combine.c (setup_incoming_promotions): Pass an outgoing
10368 regno to FUNCTION_ARG_REGNO_P which it expects.
10370 1999-11-28 Andreas Jaeger <aj@suse.de>
10372 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
10374 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
10376 * cccp.c (do_include): Avoid initialization of automatic variable.
10378 * integrate.c (mark_stores): Function definition made void, to match
10379 previous declaration.
10380 * regclass.c (dump_regclass): Ditto.
10381 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
10383 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10385 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
10386 known to be multiple of divisor.
10388 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
10390 * combine.c (try_combine): Add code to try to merge a set of a
10391 two-word pseudo to a constant with a setting of one of those words
10394 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
10395 (split_tree): Completely rework to make more general.
10396 (make_range, fold): Call negate_expr.
10397 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
10398 (fold, associate): Call new split_tree and associate_trees.
10399 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
10401 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
10403 * loop.c (try_copy_prop): Avoid GNU C extension.
10405 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10407 * except.c (init_eh_for_function): Still zero eh_return_context,
10408 eh_return_stack_adjust, and eh_return_handler.
10410 * except.h (eh_status): Adjust documentation for x_protect_list.
10411 (begin_protect_partials): New function.
10412 * except.c (enqueue_eh_entry): Fix formatting.
10413 (get_first_handler): Add consistency check.
10414 (add_partial_entry): Adjust usage of protect_list.
10415 (emit_cleanup_handler): Save and restore ehqueue.
10416 (expand_start_all_catch): Add comment.
10417 (begin_protect_partials): New function.
10418 (end_protect_partials): Adjust usage of protect_list.
10419 (init_eh_for_function): Use xcalloc.
10421 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10423 * c-common.c (check_format_info): Don't call a variadic function
10424 with a non-literal format string.
10426 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
10428 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
10429 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
10432 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
10435 * collect2.c (collect_wait): Likewise.
10437 * dbxout.c (dbxout_type): Likewise.
10439 * gcc.c (do_spec_1): Likewise.
10441 * genemit.c (gen_insn, gen_expand): Likewise.
10443 * genrecog.c (write_switch, write_subroutine): Likewise.
10445 * mips-tfile.c (catch_signal, botch): Likewise.
10447 * print-rtl.c (print_rtx): Likewise.
10449 * toplev.c (default_print_error_function, report_error_function,
10450 _fatal_insn): Likewise.
10452 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10454 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
10456 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10458 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
10459 operations when needed.
10460 * i386.md (fop_?f_comm): New.
10461 (fop_?f_1): Do not accept commutative operands.
10463 1999-11-25 Andreas Jaeger <aj@suse.de>
10465 * config/mips/mips.md (casesi_internal): Add missing brace.
10467 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
10469 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
10470 (splice_child_die): Handle moving a child DIE from the declaration
10471 DIE of a class to its specification.
10472 (gen_struct_or_union_type_die): Use 'complete' consistently.
10473 (gen_decl_die): Generate the virtual context DIE first.
10474 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
10476 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
10478 * config/mips/mips.md (call_value_multiple_interanal1): New.
10480 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
10482 * dwarf2out.c (free_AT, free_die): New fns.
10483 (remove_children): Call them.
10484 (output_line_info): Disable removal of duplicate notes.
10486 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
10487 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
10488 means pretend the type isn't defined.
10489 Don't defer emitting types.
10490 (gen_type_die_for_member): New fn.
10491 (gen_decl_die): Call it.
10492 (splice_child_die): New fn.
10493 (gen_member_die): Call it rather than generate duplicate dies.
10495 Defer emitting information for the abstract instance of an inline
10496 until we either inline it or emit an out-of-line copy.
10497 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
10498 from output_inline_function if DECL_ABSTRACT is also set.
10499 (block_ultimate_origin): Likewise.
10500 (gen_abstract_function): New fn.
10501 (gen_decl_die, gen_inlined_subroutine_die): Call it.
10502 (gen_subprogram_die): An abstract instance is not a declaration
10503 just because it doesn't match current_function_decl. Don't abort
10504 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
10505 has an abstract origin.
10506 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
10507 abstract instance here.
10509 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
10511 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
10512 where we need to reload fpul from a system register.
10514 1999-11-24 Andreas Jaeger <aj@suse.de>
10516 * config/mips/linux.h (CPP_PREDEFINES): Added.
10517 (LINK_SPEC): Remove -Y since this is only needed on sparc.
10519 1999-11-24 Andreas Jaeger <aj@suse.de>
10521 * config/mips/linux.h (TARGET_VERSION): Added.
10522 (HANDLE_SYSV_PRAGMA): Added.
10523 (DEFAULT_VTABLE_THUNKS): Added.
10525 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10527 * local-alloc.c (qty): New structure and static variable.
10528 (qty_phys_reg): Remove, all references changed to qty.
10529 (qty_n_refs): Likewise.
10530 (qty_min_class): Likewise.
10531 (qty_birth): Likewise.
10532 (qty_death): Likewise.
10533 (qty_size): Likewise.
10534 (qty_mode): Likewise.
10535 (qty_n_calls_crossed): Likewise.
10536 (qty_alternate_class): Likewise.
10537 (qty_changes_size): Likewise.
10538 (qty_first_reg): Likewise.
10539 (alloc_qty): Rename variable QTY to QTYNO.
10540 (finf_free_reg): Likewise.
10541 (local_alloc): Allocate qty, do not allocate the removed variables.
10543 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
10545 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
10546 when -membedded-pic is passed.
10548 * config/mips/mips.md (casesi): Handle 64-bit case too.
10549 (casesi_internal_di): New insn.
10551 * config/mips/mips.c (embedded_pic_offset): Always make the
10552 embedded-pic subtractions relative to the name of the current
10553 function by use of the magic string "..CURRENT_FUNCTION".
10554 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
10556 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
10558 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
10559 of (const_int 0), when what we really care about is
10560 whether it's a zero constant anyway.
10561 (div_trap_mips16): Likewise.
10563 1999-11-23 Mark Mitchell <mark@codesourcery.com>
10565 * loop.c (loop_optimize): Always find_loop_tree_blocks and
10566 unroll_block_trees when generating debuggable code.
10568 * tree.h (unsave_expr_1): New function.
10569 (lang_unsave): New variable.
10570 (get_callee_fndecl): New function.
10571 * tree.c (unsave_expr_now_r): New function.
10572 (lang_unsave): Define.
10573 (unsave_expr_1): Likewise.
10574 (unsave_expr_now_r): Split out from unsave_expr_now.
10575 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
10576 call unsave_expr_now_r.
10577 (get_callee_fndecl): Define.
10579 * Makefile.in (gencheck): Don't depend on lang_tree_files.
10580 (gencheck.o): Do depend on lang_tree_files.
10582 * integrate.h (copy_decl_for_inlining): New declaration.
10583 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
10584 (copy_decl_for_inlining): New function.
10585 (integrate_parm_decls): Use it.
10586 (integrate_decl_tree): Likewise.
10588 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
10590 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
10591 the second two from the first.
10592 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
10593 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
10594 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
10596 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
10597 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
10600 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
10602 * pa.md (call_internal_symref, call_value_internal_symref): No mode
10603 needed on the address operand.
10604 * pa.c (call_operand_address): Check for the correct mode.
10606 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
10608 * loop.c: Include "basic-block.h".
10609 (try_copy_prop, replace_loop_reg): New functions.
10610 (load_mems): Detect registers that just hold copies of the hoisted
10611 mem, and call try_copy_prop to eliminate them.
10612 * Makefile.in (loop.o): Update dependencies.
10614 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
10616 * Makefile.in (gencheck.o): Depend on gencheck.h.
10617 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
10618 (insn-peep.o): Depend on except.h and function.h.
10619 (insn-attrtab.o): Depend on RECOG_H.
10620 (insn-output.o): Depend on toplev.h and flags.h.
10621 (gengenrtl.o): Depend on real.h.
10622 (gen-protos.o): Depend on cpplib.h and cpphash.h.
10623 Unify all dependencies to be on RECOG_H rather than recog.h.
10625 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10627 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
10628 * configure.in: Try building a bi-arch 32/64-bit compiler on
10629 sparc-*-solaris2.7 and higher.
10630 * configure: Rebuild.
10632 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
10634 * config/freebsd.h: New, FreeBSD architecture independent file.
10635 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
10636 independent pieces.
10637 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
10638 directly by i386/freebsd.h.
10639 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
10640 independent configuration file.
10641 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
10642 directly by i386/freebsd.h.
10643 * configure: Rebuilt.
10645 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
10646 which is in the user's namespace.
10647 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
10648 `i386' which is not in our namespace.
10650 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
10652 * invoke.texi (ARM Options): Add in -mno-alignment-traps
10654 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
10656 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
10657 (add_dwarf_attr, add_child_die): Just push onto the front.
10658 (reverse_die_lists): New fn.
10659 (add_sibling_attributes): Use it.
10660 (push_decl_scope): Reorganize.
10661 (add_name_and_src_coords_attributes): Don't set file and line for
10662 an artificial decl.
10663 (gen_subprogram_die): An artificial function doesn't need to match
10665 (gen_compile_unit_die): Return the generated die. Only add
10666 AT_comp_dir if the filename is relative.
10667 (remove_AT): Simplify loop. Also free string values.
10668 (output_die): A DIE ref can't be null.
10669 (output_value_format, value_format): Take a dw_attr_ref.
10670 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
10671 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10672 AT_addr, AT_lbl): New fns.
10673 (various): Use them.
10674 (various): Constify.
10676 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10678 * combine.c (combine_simplify_rtx): When handling a SUBREG,
10679 take SUBREG_WORD into account.
10680 (if_then_else_cond): Likewise.
10682 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
10684 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
10685 clause from BSD license, pursuant with
10687 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
10689 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
10691 * loop.c (load_mems): Reformat slightly.
10692 * basic-block.h (regset_head): New typedef.
10693 (INIT_REG_SET): New macro.
10695 1999-11-22 Bruce Korb <autogen@linuxbox.com
10697 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
10698 (mips-dec-bsd*): non-functional code
10699 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
10701 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
10702 added three replacement fixes
10703 (no_double_slash): removed comments that are not (any longer) pertinent
10704 (bad_lval): this fix currently runs against many files.
10705 The comment seems to indicate that we should select for files
10706 containing 'pragma extern_prefix'.
10708 * fixinc/fixinc.x86-linux-gnu: deleted
10709 * fixinc/inclhack.sh: regen
10710 * fixinc/fixincl.x: regen
10711 * fixinc/fixincl.sh: regen
10713 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
10715 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
10716 its code is INSN and it has no notes.
10718 1999-11-22 Andrew Haley <aph@cygnus.com>
10720 * varasm.c (function_defined): Remove.
10721 (make_function_rtl): Don't set function_defined.
10722 (make_decl_rtl): Remove global register warning.
10723 * regclass.c (no_global_reg_vars): New variable.
10724 (globalize_reg): Warn if function has already been defined.
10725 (regclass_init): Set no_global_reg_vars.
10727 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10729 * regclass.c (reg_pref): New structure and static variable
10730 (prefclass): Delete.
10731 (altclass): Delete.
10732 (all uses of prefclass and altclass): Use reg_pref instead.
10734 1999-11-21 Nick Clifton <nickc@cygnus.com>
10736 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
10738 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
10739 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
10740 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
10742 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
10744 * varasm.c (output_constructor): Solve problem with long long
10745 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
10747 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10749 * global.c (allocno): New structure and static variable.
10750 (allocno_reg): Remove, all references replaced by allocno.
10751 (allocno_size): Likewise.
10752 (hard_reg_conflicts): Likewise.
10753 (hard_reg_preferences): Likewise.
10754 (hard_reg_copy_preferences): Likewise.
10755 (hard_reg_full_preferences): Likewise.
10756 (regs_someone_prefers): Likewise.
10757 (allocno_calls_crossed): Likewise.
10758 (allocno_n_refs): Likewise.
10759 (allocno_live_length): Likewise.
10760 (find_reg): Rename ALLOCNO to NUM.
10762 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
10763 references updated.
10764 (may_move_out_cost): New variable.
10765 (init_reg_sets_1): Initialize may_move_out_cost.
10766 (record_reg_classes): Use may_move_out_cost.
10768 * regclass.c (dump_regclass): New function.
10769 (regclass): New parameter DUMP, call DUMP_REGCLASS.
10770 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
10771 pass rtl_dump_file to regclass.
10772 * rtl.h (regclass): Update prototype.
10774 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10776 * i386.md (neg, not and abs patterns): Revmap to use
10777 ix86_expand_unary_operator and ix86_unary_operator_ok.
10778 (add?f and sub?f expanders): Force operand 1 to register.
10779 * i386.c (ix86_expand_unary_operator): Rewrite.
10780 (ix86_unary_operator_ok): Ensure that memory operands
10782 (ix86_binary_operator_ok): Do not allow operand 1 to
10783 come into memory and operand 0 not.
10784 (ix86_expand_binary_operator): Ensure that
10785 src1 is not non-matching memory.
10787 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
10788 to support integer registers and memory.
10789 (abss?2_integer): Likewise.
10791 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
10792 (REG_CLASS_NAMES): Likewise.
10793 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
10795 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
10796 (movsf): Likewise; unify 4th and 5th alternative.
10797 (pushdf): Likewise.
10798 (movdf_1): Likewise; rename to movdf_integer.
10799 (pushxf): Likewise; rename to pushxf_integer; fix output template;
10800 remove redundant splitter.
10801 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
10802 (movdf_nointeger): New.
10803 (movxf_nointeger): New.
10804 (pushxf_nointeger): New.
10806 * i386.md (extend?f?f): Split to expander and pattern, refuse two
10807 memory operands in patterns.
10808 (fop*): Refuse two memory operands.
10810 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
10811 on !TARGET_USE_CLTD CPUs.
10813 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
10815 * extend.texi: Document C++ restricted pointers and references.
10817 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
10819 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
10820 (invalidate_skipped_set): Call it unconditionally.
10821 (cse_set_around_loop): Likewise.
10823 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10825 * rtl.texi (mem): Add documentation for alias-set argument
10828 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10830 * i386.h (struct_processor_costs): New fields int_load, int_store,
10831 fp_move, fp_load and fp_store
10832 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
10834 (MEMORY_MOVE_COST): New macro.
10835 * i386.c (386_cost): Define new fields.
10836 (i486_cost): Likewise.
10837 (pentium_cost): Likewise.
10838 (pentiumpro_cost): Likewise.
10839 (k6_cost): Likewise.
10841 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
10842 Geoffrey Keating <geoffk@cygnus.com>
10844 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
10846 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
10849 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
10850 (TARGET_STRICT_ALIGNMENT): New macro.
10851 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
10852 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
10853 * invoke.texi (M680x0 Options): Document -mstrict-align.
10855 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
10856 Richard Henderson <rth@cygnus.com>
10858 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
10859 (ix86_split_long_move): Declare.
10860 * i386.c (split_xf, ix86_split_movdi): Remove.
10861 (ix86_split_to_parts, ix86_split_long_move): New.
10862 * i386.md (dimode move splitters): Use ix86_split_long_move.
10863 (dfmode move splitters): Likewise.
10864 (xfmode move splitters): Likewise.
10865 (movsf_1): Allow F->r.
10866 (movdf_1, movxf_1): Allow F->ro.
10868 1999-11-17 Mark Mitchell <mark@codesourcery.com>
10870 * except.h (struct eh_entry): Add goto_entry_p.
10871 (eh_region_from_symbol): Remove prototype.
10872 * except.c (find_func_region_from_symbol): New function.
10873 (emit_cleanup_handler): Likewise.
10874 (eh_region_from_symbol): Make it static.
10875 (add_new_handler): Verify the argument.
10876 (find_func_region): Update comment.
10877 (expand_eh_region_end): Expand handlers here, rater than waiting
10878 until expand_leftover_cleanups or start_all_catch.
10879 (expand_leftover_cleanups): Don't expand here.
10880 (expand_start_all_catch): Or here.
10881 (expand_rethrow): Check the return value from find_func_region.
10882 * function.c (expand_function_end): Emit the catch_clauses.
10884 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
10886 * integrate.c (expand_inline_function): Add necessary check for NULL.
10888 1999-11-18 Nick Clifton <nickc@cygnus.com>
10890 * toplev.c (main): Correctly detect an unrecognised option.
10892 * cppinit.c (cpp_handle_option): Do not claim to have consumed
10893 a -f option if it has not been recognised.
10895 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
10897 * basic-block.h (update_life_extent): Remove trailing comma on
10898 enumeration type list.
10900 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10902 * varasm.c (output_constructor) Solved problem with long long
10903 bitfields. Corrected calculating this_time and shift. Also
10904 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
10906 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
10908 * flow.c (split_edge): Take looping structure into account when
10909 determining where to put the new block note.
10911 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
10913 * Makefile.in (ggc-none.o): Provide host specific version if
10916 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
10918 * cse.c (delete_trivially_dead_insns): Identify no-op insns
10919 containing subregs too.
10921 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10923 * invoke.texi: Add documentation for -muninit-const-in-rodata.
10924 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
10925 (TARGET_UNINIT_CONST_IN_RODATA): Define.
10926 (text_section): Add switches -munint-const-in-rodata and
10927 -mno-uninit-const-in-rodata.
10928 (ASM_OUTPUT_COMMON): Remove.
10929 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
10930 const objects should be placed in read-only data. Otherwise declare
10933 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
10935 * jump.c (jump_optimize_1): Revert last change.
10937 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
10939 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
10940 test if optimizing for size.
10942 1999-11-17 Mark Mitchell <mark@codesourcery.com>
10944 * Makefile.in (toplev.o): Depend on except.h.
10945 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
10947 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10949 * i386.md (divmodsi4): Rewrite to expander.
10950 (*divmodsi4_nocltd): New.
10951 (*divmodsi4_cltd): New.
10952 (divmodsi4 splitter): Handle the case when input comes in edx.
10953 (udivmodhi4): Do not use constraints in exander.
10954 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
10956 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
10958 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
10959 for the common case.
10961 1999-11-16 Jakub Jelinek <jakub@redhat.com>
10963 * explow.c (hard_function_value): Add outgoing argument.
10964 * expr.h (hard_function_value): Declare it.
10965 * calls.c (expand_call, emit_library_call_value): Update callers.
10966 * function.c (aggregate_value_p): Ditto.
10967 (diddle_return_value): Must look at the outgoing registers
10968 on archs with register windows.
10970 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
10972 * alpha.c (alpha_build_va_list): Use make_lang_type and
10973 initialize TYPE_NAME for the va_list record.
10975 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
10977 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
10979 * ggc.h (struct ggc_statistics): Rearrange elements for better
10980 packing on 64-bit hosts.
10981 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
10982 (compute_nearerout): Likewise.
10984 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
10986 * config/rs6000/rs6000.c (first_reg_to_save): Save
10987 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
10989 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
10991 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
10992 notion of nesting to find the DIE for a type or function.
10993 DIEs can go in limbo even if we got a context_die.
10994 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
10995 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
10997 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
10998 (gen_type_die): Writing out the context doesn't cause member class
10999 template instantiations to be written out as well.
11001 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
11003 * rs6000.h (ASM_OUTPUT_DEF): New.
11004 Based on proposed addition from David Edelsohn.
11006 1999-11-15 Robert Lipe <RobertLipe@usa.net>
11007 Bruce Korb <autogen@linuxbox.com>
11009 * fixinc/inclhack.def
11010 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
11011 (unixware7_byteorder_fix): added. Removes conflicts for new defs
11013 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
11014 (svr4_endian): enabled with SVR5
11015 (svr4_mkdev): simplified syntax and enabled with SVR5
11017 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
11019 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
11020 * configure: Rebuilt.
11021 * config/t-freebsd-thread: New file.
11023 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
11025 * i386.c (ix86_decompose_address): Verify the base is a REG
11026 before trying to examine its register number.
11028 * basic-block.h: Remove all #defines and prototypes related to
11030 (free_bb_mem, compute_preds_succs): Remove prototype.
11031 * rtl.h (free_bb_mem): Remove prototype.
11032 * flow.c (alloc_int_list_node); Remove function.
11033 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
11034 (compute_preds_succs, free_bb_mem): Likewise.
11035 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
11036 * toplev.c (rest_of_compilation): Likewise.
11037 * haifa-sched.c (build_control_flow): Use flow generated edge
11038 list to build the haifa specific edge list.
11039 (find_rgns): Use new CFG data structures instead of pred/succ lists.
11040 (schedule_insns): Do not build pred/succ lists anymore. Instead
11041 build the edge table.
11043 * basic-block.h (dump_bb_data): Remove declaration.
11044 * flow.c (dump_bb_data): Remove function.
11045 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
11046 (sbitmap_union_of_predsucc): Likewise.
11048 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
11049 argument. All callers changed.
11050 (delete_null_pointer_checks_1): No longer need to compute the
11053 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
11054 All callers changed.
11055 (pre_expr_reaches_here_p_work): Likewise.
11056 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
11057 * lcm.c (compute_laterin): Fix initialization of LATER.
11058 (compute_nearerout): Similarly for NEARER.
11060 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11062 * cse.c (set_nonvarying_address_components): Delete unused function.
11063 (refers_to_p): Likewise.
11065 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
11067 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
11070 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11072 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
11073 definition in do while (0).
11075 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
11077 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
11079 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
11081 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
11083 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11085 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
11086 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
11087 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
11088 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
11090 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
11091 saved on the stack. Output more accurate stack frame statistics
11092 into assembler file.
11094 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
11096 * genextract.c (record_insn_name): New function.
11097 (get_insn_name): No longer a stub.
11098 (main): Call record_insn_name for each insn. After each label
11099 written, print the insn name in a comment.
11101 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11103 * output.h (const_section, init_section, fini_section): Add
11106 * alpha/elf.h (const_section): Delete declaration.
11108 * svr4.h (const_section): Likewise.
11110 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
11112 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
11113 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
11114 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
11116 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
11117 variable-sized array bounds.
11119 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
11121 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
11124 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11126 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
11127 addresses the same way GO_IF_LEGITIMATE_INDEX does.
11129 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11131 * cse.c (hash_arg_in_struct): Delete.
11132 (struct table_elt): Delete elt in_struct.
11133 (struct set): Delete elt src_in_struct.
11134 (merge_equiv_classes): Don't set either hash_arg_in_struct or
11135 the corresponding in_struct elts.
11136 (canon_hash): Likewise.
11137 (safe_hash): Likewise.
11138 (find_best_addr): Likewise.
11139 (record_jump_cond): Likewise.
11140 (cse_insn): Likewise.
11142 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
11144 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
11146 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
11149 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
11151 * function.c (diddle_return_value): Put back check that the DECL_RTL
11152 for the function is a register.
11154 * function.c (diddle_return_value): Use hard_function_value to
11155 get an rtx suitable for use in the USE/CLOBBER insn.
11157 * global.c (global_conflicts): Update comments.
11158 (record_conflicts): No need to record conflicts between pseudos here.
11160 1999-11-11 Bruce Korb <autogen@linuxbox.com>
11162 * fixinc/fixincl.c: Added verbose levels for status messages
11164 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11166 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
11167 operand as argument to expand_and or expand_binop.
11169 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
11171 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
11172 gcc_add_string_root.
11174 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
11176 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
11178 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
11180 * flow.c (compute_flow_dominators): Initially put all blocks on
11182 * lcm.c (compute_antinout_edge, compute_available): Similarly.
11183 * gcse.c (compute_cprop_avinout): Remove.
11184 (compute_cprop_data): Use compute_available.
11185 (delete_null_pointer_checks_1): Use compute_available.
11187 * basic-block.h (compute_available): Returns a void now.
11188 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
11189 to return a value anymore.
11190 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
11191 worklists. Fix boundary cases. Compute maximal solutions.
11192 (compute_laterin, compute_nearerout): Similarly.
11194 * dwarf2out.c (add_AT_location_description): Allow
11195 (mem (plus (pseudo) (...)) too.
11197 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
11199 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
11201 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
11202 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11204 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
11206 * gansidecl.h: Likewise.
11212 * toplev.h: Likewise.
11214 * tree.c: Likewise.
11216 * tree.h: Likewise.
11218 * varray.c: Likewise.
11220 * varray.h: Likewise.
11222 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
11224 * gcov.c (struct arcdata): Add hits and total, remove prob.
11225 (output_branch_counts): New.
11226 (process_args): Set output_branch_counts if -c.
11227 (calculate_branch_probs): Store hits and total instead of
11229 (output_data): Emit counts if output_branch_counts is true.
11230 * gcov.texi (Invoking Gcov): Document -c switch..
11232 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
11234 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
11235 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
11237 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
11239 * invoke.texi (C Dialect Options): Add missing builtins from
11240 c-common.c to list.
11241 * extend.texi (Other Builtins): Copy to this list.
11243 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11245 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
11246 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
11247 redundant bitmap.h.
11249 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
11251 * flow.c (compute_flow_dominators): No longer treat basic block 0
11252 or (n_basic_blocks - 1) specially. Clear the AUX field before
11253 starting computation of doms/pdoms. Fix initial state for pdoms.
11255 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11257 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
11258 match rtl.o's: added ggc.h and toplev.h
11259 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
11260 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
11261 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
11263 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
11265 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
11266 from HAVE_DOS_BASED_FILESYSTEM.
11267 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
11268 HAVE_DOS_BASED_FILESYSTEM.
11270 (split_directories): Only special-case DOS file names if
11271 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
11272 instead of explicit tests. Conditionalize on !VMS.
11273 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
11274 tests. Conditionalize on !VMS.
11275 (process_command): Only use make_relative_prefix if !VMS.
11276 (free_split_directories): Conditionalize on !VMS.
11277 (DIR_UP): Conditionalize on !VMS.
11279 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
11281 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
11283 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
11285 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
11288 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
11290 * invoke.texi (Environment Variables): Document relative path
11292 * gcc.c (DIR_UP): If not defined, define as "..".
11293 (standard_bindir_prefix): New static, holds target location to
11295 (split_directories): New function to split a filename into
11296 component directories.
11297 (free_split_directories): New function, release memory allocated
11298 by split_directories.
11299 (make_relative_prefix): New function, make a relative pathname if
11300 the compiler is not in the expected location.
11301 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
11302 can figure out an appropriate prefix from argv[0].
11303 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
11304 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
11305 STANDARD_BINDIR_PREFIX.
11307 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11309 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
11311 * config/c4x/c4x.h: Moved prototypes to c4x.h.
11312 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
11313 c4x_secondary_memory_needed) Delete.
11314 (fp_zero_operand): Add mode argument.
11316 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
11318 * reload1.c (reload_reg_free_for_value_p): Don't use a register
11319 that is in reload_reg_used.
11321 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
11323 * config/arm/arm-protos.h: New file: Prototypes for functions
11324 defined in arm.c and pe.c.
11325 * config/arm/arm.h: Fix compile time warnings.
11326 * config/arm/arm.c: Fix compile time warnings.
11327 * config/arm/pe.h: Fix compile time warnings.
11328 * config/arm/aout.h: Fix compile time warnings.
11330 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
11332 * config/m32r/m32r-protos.h: New file: Prototypes for functions
11335 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
11336 Add support for subtargets.
11337 Add prototypes for new predicates.
11338 Add scheduling macros.
11340 * config/m32r/m32r.c: Fix compile time warnings.
11341 (int8_operand): New predicate function.
11342 (reg_or_cmp_int16_operand): New predicate function.
11343 (extend_operand): New predicate function.
11344 (m32r_adjust_code): New scheduling function.
11345 (m32r_adjust_priorty): New scheduling function.
11346 (m32r_sched_init): New scheduling function.
11347 (m32r_sched_reorder): New scheduling function.
11348 (m32r_sched_variable_issue): New scheduling function.
11349 (direct_return): New codegen function.
11350 (m32r_not_same_reg): New rtl testsing function.
11352 * config/m32r/m32r.md: Fix compile time warnings.
11353 Add support for pre decrement and post increment memory
11355 Add S<cc> patterns.
11358 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11360 * global.c (EXECUTE_IF_CONFLICT): Don't define.
11361 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
11362 (find_reg): Likewise.
11364 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
11366 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
11367 to avoid assembler errors.
11369 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
11371 * config/v850/v850-protos.h: New file: Prototypes for functions
11373 * config/v850/v850.h: Move prototypes to v850-protos.h
11374 * config/v850/v850.c: Move prototypes to v850-protos.h
11375 * config/v850/v850.md: Fix compile time warnings.
11377 * config/fr30/fr30-protos.h: New file: Prototypes for functions
11379 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
11380 * config/fr30/fr30.c: Fix compile time warnings.
11381 * config/fr30/fr30.md: Fix compile time warnings.
11383 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
11385 * tree.h (get_containing_scope): Declare it.
11386 * tree.c (get_containing_scope): New fucntion.
11387 (decl_function_context): Use it.
11388 * toplev.c (rest_of_compilation): Use get_containing_scope.
11390 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11392 * Makefile.in (rtl.o): Depend on toplev.h.
11394 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
11396 * cse.c (delete_trivially_dead_insns): Replace alloca with
11398 * except.c (update_rethrow_references): Likewise.
11399 (init_eh_nesting_info): Likewise.
11400 * function.c (identify_blocks): Likewise.
11401 * gcse.c (dump_hash_table): Likewise.
11402 * graph.c (print_rtl_graph_with_bb): Likewise.
11403 * loop.c (combine_movables): Likewise.
11404 (move_movables): Likewise.
11405 (count_loop_regs_set): Likewise.
11406 (strength_reduce): Likewise.
11407 * profile.c (compute_branch_probabilities): New function, split
11409 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
11410 * regclass.c (regclass): Likewise.
11411 * regmove.c (regmove_optimize): Likewise.
11412 * toplev.c (compile_file): Likewise.
11413 (main): Don't mess with the stack rlimit.
11415 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
11417 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
11418 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
11420 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
11422 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
11424 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
11426 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
11427 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
11430 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
11432 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
11434 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
11436 * gcse.c (post_dominators): Kill.
11437 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
11438 (compute_code_hoist_data): Use compute_flow_dominators. Do not
11439 pass in a pdom array since we do not need pdoms.
11440 * haifa-sched.c (schedule_insns): Similarly.
11441 * flow.c (compute_dominators): Remove dead function.
11442 (compute_flow_dominators): Do not compute doms or pdoms if the
11443 caller does not request them. Split up loop to build doms and
11444 pdoms. Use a worklist to compute doms and pdoms.
11445 * basic-block.h (compute_dominators): Remove prototype.
11447 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
11449 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
11450 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
11451 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
11452 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
11453 (cant_move, fed_by_spec_load, is_load_insn): Remove.
11454 (schedule_region): Remove unused variable.
11455 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
11457 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
11459 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
11460 (update_equiv_regs): Likewise.
11461 (block_alloc): Likewise.
11462 * reg-stack.c (reg_to_stack): Likewise.
11463 (convert_regs_2): Likewise.
11464 * reload1.c (reload_as_needed): Likewise.
11466 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
11468 * Makefile.in (dbxout.o): Depend on ggc.h.
11469 (dwarf2out.o): Likewise.
11470 (xcoffout.o): Likewise.
11471 * dbxout.c: Include ggc.h.
11472 (dbxout_init): Register lastfile as a root.
11473 * dwarf2out.c: Include ggc.h.
11474 (dwarf2out_line): Register lastfile as a root.
11475 * xcoffout.c: Include ggc.h.
11476 (xcoffout_source_line): Register xcoff_lastfile as a root.
11478 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
11480 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
11482 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
11484 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
11486 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11488 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11490 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
11491 (EXECUTE_IF_CONFLICT): Likewise.
11492 (ALLOCNO_LIVE_P): Avoid signed division.
11493 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
11494 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
11495 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
11497 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
11499 * haifa-sched.c (schedule_block): Don't crash if there's no
11500 next insn for an interblock movement.
11501 (add_branch_dependences): Don't allow clobber insns to move either.
11503 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
11505 * i386.c (split_xf): New.
11506 * i386-protos.h: Declare it.
11507 * i386.md (movxf_1): Add general regs alternatives.
11508 (movxf_1+1): New splitter for same.
11510 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
11512 * function.c (purge_addressof_1): Add missing return values.
11514 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
11516 * function.c (is_addressof): New function. Returns true if
11517 the given piece of RTL is an ADDRESSOF.
11518 (purge_addressof_1): Make boolean. Return false if the
11519 ADDRESSOFs could not be purged.
11520 (purge_addressof): If ADDRESSOFs could not be purged from the
11521 notes attached to an insn, remove the offending note(s),
11522 unless they are attached to a libcall.
11524 1999-11-05 Andreas Jaeger <aj@suse.de>
11526 * genoutput.c (null_operand =): Initialize all fields.
11528 * errors.h: Add extern to prototypes.
11530 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
11532 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
11533 * configure: Rebuilt.
11535 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11537 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
11538 (mirror_conflicts): New function.
11539 (global_alloc): Call it.
11540 (expand_preferences): Remove redundant CONFLICTP test.
11541 (find_reg, dump_conflicts): Likewise.
11542 (prune_preferences): Process conflicts one word at a time.
11544 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
11546 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
11547 instead of an explicit loop.
11549 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
11551 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
11552 if REG_RETVAL check succeeds, then put classp in src_elt.
11554 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
11556 * function.c (pad_to_arg_alignment): Only update argument_pad
11557 if the argument's alignment is greater than STACK_BOUNDARY.
11559 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
11561 * bitmap.h (BITMAP_XFREE): New.
11562 * flow.c (life_analysis): Use it.
11563 (life_analysis_1): Free blocks.
11565 * combine.c (undo_commit): New.
11566 (try_combine): Use it. Don't zap undobuf.undos.
11567 (combine_instructions): Don't zap undobuf.undos; free the
11568 undobuf.frees list.
11570 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
11572 * stmt.c (cost_table_): New.
11573 (estimate_case_costs): Use it instead of xmalloc.
11575 * toplev.c (compile_file): Reuse dumpname memory instead
11578 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
11580 * reg-stack.c (convert_regs_1): Initialize target_stack->top
11581 after verifying an EH edge.
11583 * haifa-sched.c (init_rgn_data_dependences): Correctly
11584 size bb_pending_lists_length when zeroing.
11586 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
11588 * function.c (diddle_return_value): New.
11589 (expand_function_end): Use it.
11590 * stmt.c (expand_null_return): Likewise.
11591 (expand_value_return): Likewise.
11593 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
11595 * reload1.c (reload): Don't remove return value clobbers.
11597 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
11599 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
11601 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
11603 * cse.c (cse_main): Use xmalloc, not alloca.
11604 (cse_basic_block): Likewise.
11605 * local-alloc.c (local_alloc): Likewise.
11607 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
11608 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11610 * rtl.c: Include toplev.h.
11611 (fatal): Remove declaration.
11613 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
11615 * haifa-sched.c (schedule_block): Fix thinko.
11617 1999-11-03 James McKelvey <mckelvey@fafnir.com>
11619 * fixinc/fixincl.c(create_file): Allow for systems that do not have
11620 S_IR* defined values
11622 1999-11-03 Philippe De Muyter <phdm@macqel.be>
11624 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
11625 call `malloc' instead.
11627 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
11629 * flags.h (flag_renumber_insns): Declare.
11630 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
11632 * rtl.h (renumber_insns): Change prototype.
11633 * toplev.c (flag_renumber_insns): Define.
11634 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
11636 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
11638 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
11639 and fpsqrtd. Use them and create fdiv function unit to more
11640 accurately represent fpu sqrt pipeline semantics on UltraSparc.
11641 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
11643 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
11645 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
11647 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
11648 insn into ready list, do not use just a raw swap.
11650 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
11652 * rtl.h (renumber_insns): New function.
11653 (remove_unnecessary_notes): Likewise.
11654 * emit-rtl.c (renumber_insns): Define.
11655 (remove_unncessary_notes): Likewise.
11656 * toplev.c (rest_of_compilation): Remove dead code.
11657 Use renumber_insns and remove_unncessary_notes.
11659 * gcse.c (struct null_pointer_info): New type.
11660 (get_bitmap_width): New function.
11661 (current_block): Remove.
11662 (nonnull_local): Likewise.
11663 (nonnull_killed): Likewise.
11664 (invalidate_nonnull_info): Take a null_pointer_info as input.
11665 (delete_null_pointer_checks_1): New function.
11666 (delete_null_pointer_checks): Use it.
11668 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
11669 (split_edges): Likewise.
11670 (schedule_block): Likewise.
11671 (compute_block_backward_dependencies): Likewise.
11672 (schedule_region): Likewise.
11673 (schedule_insns): Likewise.
11675 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
11677 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
11678 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
11679 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
11680 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
11681 * jump.c (delete_unreferenced_labels): Don't delete if
11682 LABEL_ALTERNATE_NAME is set.
11683 * print-rtl.c (print_rtx): Dump alternate name.
11684 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
11685 * rtl.h (LABEL_ALTERNATE_NAME): Define.
11686 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
11687 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
11689 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11691 * fix-header.c (recognized_extern, recognized_function): Constify
11694 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
11695 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
11696 (compute_available): Remove unused variable `last'.
11697 (compute_nearerout): Remove unused variable `temp_bitmap'.
11698 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
11699 Remove unused variable `x'.
11701 * scan.h (recognized_function, recognized_extern): Constify a
11704 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
11706 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11708 * varasm.c (decode_rtx_const): Use XSTR to access the string
11711 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
11713 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
11715 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11717 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
11719 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
11721 * pa.c (ireg_operand): New function.
11722 * pa.h (PREDICATE_CODES): Handle ireg_operand.
11723 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
11724 Fix out of date comment.
11726 * pa.md (negdi2): Turn into expander + anonymous pattern.
11728 * reload.c (find_reloads): Fix typos in recent change.
11730 * dwarf2out.c: Do not include ctype.h.
11732 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11734 * regclass.c (record_reg_classes): Always use may_move_cost when
11735 seeing how operand fits with various register classes.
11737 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
11739 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
11740 * toplev.c: Revert Nov 1 13:22 change.
11742 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
11744 * config/pa/pa.md (height reduction patterns): Add checks for
11745 overlapping operands to avoid semantic-destroying splits for
11746 height reduction patterns.
11748 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11750 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
11751 have been an hyphen, fixed.
11752 * configure: Rebuilt.
11754 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
11756 * config/arm/tpe.h: Add prototypes for exported functions.
11757 * config/arm/pe.c: Fix compile time warnings.
11758 * config/arm/semi.h: Fix compile time warnings.
11759 * config/arm/arm.c: Fix compile time warnings.
11760 * config/arm/arm.h: Fix compile time warnings.
11761 * config/arm/arm.md: Fix compile time warnings.
11762 * config/arm/thumb.c: Fix compile time warnings.
11763 * config/arm/thumb.h: Fix compile time warnings.
11764 * config/arm/thumb.md: Fix compile time warnings.
11766 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
11768 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
11771 * unroll.c (unroll_loop): Remove LOOP notes when loop is
11772 completely unrolled.
11774 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11776 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
11778 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
11780 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
11781 * rtl.h (rtx_equal_p): Move prototype.
11782 * rtl.c (rtx_equal_function_value_matters): Move from
11784 (rtx_equal_p): Likewise.
11785 * rtlanal.c (rtx_equal_function_value_matters): Delete.
11786 (rtx_equal_p): Likewise.
11788 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11790 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
11791 ! HAS_INIT_SECTION.
11793 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
11795 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
11797 * pa.h (ADDR_VEC_ALIGN): Define.
11799 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
11800 notes when presented with "if (foo) break; end_of_loop" and
11801 the break sequence gets moved out of the loop.
11803 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
11804 Remove explicit zero initializations of entries within MAP.
11806 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
11808 * reg-stack.c (convert_regs_1): Handle EH edges specially.
11810 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
11812 * bitmap.h (BITMAP_XMALLOC): New macro.
11813 * flow.c (CLEAN_ALLOCA): Remove.
11814 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
11815 (life_analysis): Likewise.
11816 (update_life_info): Don't use CLEAN_ALLOCA.
11817 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
11818 (calculate_global_regs_live): Likewise.
11819 (print_rtl_with_bb): Likewise.
11820 (verify_flow_info): Likewise.
11821 * global.c (global_alloc): Likewise.
11822 (global_conflicts): Likewise.
11823 * integrate.c (save_for_inline_nocopy): Likewise.
11824 (expand_inline_function): Likewise.
11825 * jump.c (jump_optimize_1): Likewise.
11826 (duplicate_loop_exit_test): Likewise.
11827 (thread_jumps): Likewise.
11828 * loop.c (loop_optimize): Likewise.
11829 (combine_givs): Likewise.
11830 (recombine_givs): Likewise.
11831 * reorg.c (dbr_schedule): Likewise.
11832 * unroll.c (unroll_loop): Likewise.
11834 * combine.c (combine_instructions): Use xmalloc instead of alloca.
11836 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
11838 * toplev.c (rest_of_compilation): Don't optimize the CFG
11839 when rebuilding, just before dbr.
11841 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11843 * output.h (assemble_end_function, assemble_destructor,
11844 assemble_constructor, assemble_gc_entry, assemble_global,
11845 assemble_label, output_constant_pool) Constify a char*.
11847 * varasm.c (assemble_destructor, assemble_constructor,
11848 assemble_gc_entry, assemble_end_function, assemble_global,
11849 assemble_label, output_constant_pool): Likewise.
11851 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
11853 * config/arm/thumb.c (thumb_expand_prologue): Add comments
11854 explaining what is goin on in this function.
11856 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11858 * regclass.c (record_reg_classes): In matching case, recompute
11859 costs since the direction of movement is different.
11861 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11863 * resource.c (mark_target_live_regs): For unconditional branches,
11864 the resources found at the branch target should be added to the
11865 resources found so far, not intersected.
11867 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
11869 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
11871 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
11872 (sys/mman.h): Include this file only if #HAVE_MMAP.
11873 (run_compiles): Initialize `esac_fmt' with one old KR string, not
11874 with automatically concatenated ANSI strings.
11876 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
11878 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
11879 (DIV_ROUND_UP): Robustify.
11880 (ggc_recalculate_in_use_p): New function.
11881 (release_pages): Don't inline it.
11882 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
11884 (ggc_pop_context): Use ggc_recalculate_in_use_p.
11885 (clear_marks): Always save in_use_p.
11886 (sweep_pages): Use ggc_recalculate_in_use_p.
11887 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
11888 Release pages before counting statistics.
11890 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
11892 * toplev.c (rest_of_compilation): Fix thinko in this change:
11894 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
11896 (rest_of_compilation): If inside an inlined external function,
11897 pretend we are just being declared.
11899 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
11901 * flow.c (calculate_global_regs_live): Fix thinko.
11903 * integrate.c (expand_inline_function): Fix bugs in previous
11904 change from Oct 28, 1999.
11906 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
11908 * stmt.c (expand_value_return): Fix typo in this change:
11910 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11911 (expand_value_return): Correctly convert VAL when promoting function
11912 return; support RETURN_REG being a PARALLEL.
11914 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
11916 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
11918 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11920 * hard-reg-set.h (reg_names): Constify a char*.
11922 * regclass.c (reg_names): Likewise.
11924 * regs.h (reg_names): Likewise
11926 * a29k/a29k.c (reg_names): Delete declaration.
11928 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
11930 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
11931 arc_output_function_epilogue): Likewise.
11933 * elxsi/elxsi.c (reg_names): Likewise.
11935 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
11937 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
11940 * m88k/m88k.c (output_function_profiler): Likewise.
11942 * sparc/sparc.c (sparc_flat_output_function_prologue,
11943 sparc_flat_output_function_epilogue): Likewise.
11945 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
11947 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
11948 warning from -Wuninitialized and put it under -W.
11949 * function.c (uninitialized_vars_warning): Warn only when the
11950 corresponding flag is set.
11952 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
11954 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
11955 is nonzero and the single set does not have an elt, then assign
11958 * simplify-rtx.c: New file.
11959 * Makefile.in (OBJS): Add simplify-rtx.o
11960 (simplify-rtx.o): Add dependencies.
11961 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
11962 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
11963 (cse_gen_binary, simplify_unary_operation): Delete.
11964 (simplify_binary_operation, simplify_plus_minus): Likewise.
11965 (check_fold_consts, simplify_relation_operation): Likewise.
11966 (simplify_ternary_operation): Likewise.
11967 (delete_trivially_dead_insns): Simplify the contents of the
11968 REG_EQUAL note before trying to substitute it into the source
11969 of the reg-reg copy at the end of a libcall sequence.
11971 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
11972 references/callers changed.
11974 * mn10200.c (mn10200_va_arg): Force the return value into a
11977 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
11979 * cccp.c (macroexpand): Avoid out of range accesses for omitted
11982 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
11984 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
11986 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
11988 * fold-const.c (fold): Fix thinko when optimizing comparisons
11991 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
11993 * gcc.texi (Passes): Update front-end files to their current
11996 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
11998 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
11999 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
12000 (PREDICATE_CODES): Add addition_operation.
12001 * alpha-protos.h (addition_operation): Declare.
12002 (secondary_reload_class): Likewise.
12003 * alpha.c (addition_operation): New.
12004 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
12005 * alpha.md (adddi3): Turn into expander.
12006 (*lda, *adddi_2): New.
12007 (movsf, movdf patterns): Don't preference integer regs.
12008 (movsi, movdi patterns): Don't preference fp regs.
12010 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
12012 * genrecog.c (write_switch): Check for duplicate CODE cases.
12014 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
12016 * ggc-common.c: Update pre-function commentary.
12017 * ggc-page.c: Likewise.
12019 (poison_pages): Use memset directly.
12020 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
12021 (ggc_collect): Poison before sweeping.
12022 * ggc-simple.c: Update pre-function commentary.
12023 (ggc_alloc_obj): Poison non-zeroed memory.
12025 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
12027 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
12028 match format string, even on 64-bit hosts.
12029 * gcc-page.c (ggc_page_print_statistics): Likewise.
12031 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
12033 * config/i386/i386.c (ix86_cpu): Revert last patch.
12034 * config/i386/i386.h (ix86_cpu): Ditto.
12036 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
12038 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
12039 TYPE_SIZE, convert type of result to sizetype.
12041 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
12043 * flow.c (count_or_remove_death_notes): Equate NULL with the
12046 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
12047 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
12050 * i386.c (pic_label_no): Delete.
12051 (ix86_attr_length_default): Don't use single_set to peek
12054 * recog.c (peephole2_optimize): Allow recog_next_insn to index
12055 the first insn after bb->end.
12056 * i386.md (push mem peeps): Scratch is live after evaluation
12058 (cmp mem peep): Similarly.
12060 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
12062 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
12063 * function.c (pad_to_arg_alignment): Add missing braces.
12065 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12067 * alpha/alpha-protos.h (literal_section): Add prototype.
12068 (alpha_need_linkage, alpha_start_function,alpha_end_function):
12071 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
12073 (alpha_start_function, alpha_end_function, float_strings,
12074 alpha_need_linkage): Constify a char*
12076 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
12078 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
12080 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12082 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12084 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12086 * flow.c (debug_flow_info): Add prototype.
12088 * gcc.c (main): Likewise.
12090 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
12093 * reload1.c (failed_reload, set_reload_reg): Likewise.
12095 * mips-tfile.c (main): Likewise.
12096 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
12097 with ATTRIBUTE_NORETURN.
12099 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
12101 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
12102 DECL is not a memory ref.
12104 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
12106 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
12107 * config/i386/i386.c (ix86_cpu): Add extern attribute.
12109 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
12111 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
12112 * config/mips/elf64.h: ditto.
12114 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
12116 * expr.c (emit_push_insn): New argument alignment_pad.
12117 Update all callers. Adjust stack pointer based on alignment pad.
12118 * function.c (pad_to_arg_alignment): New argument alignment_pad.
12119 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
12120 (locate_and_pad_parm): New argument alignment_pad. Update all
12122 * expr.h (emit_push_insn): Update prototype.
12123 (locate_and_pad_parm): Update prototype.
12124 * calls.c (arg_data): Add new field alignment_pad.
12125 (initialize_argument_information): Initialize alignment_pad.
12127 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
12129 * except.c (free_eh_nesting_info): Free the info itself.
12130 * function.c (free_after_compilation): Don't free NULL.
12131 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
12132 (pre_edge_insert): Free inserted.
12133 * stmt.c (free_stmt_status): Don't free NULL.
12135 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12137 * gcov.c (DIR_SEPARATOR): Provide default.
12138 (output_data): Add test for MS-DOS format absolute filename.
12139 (fancy_abort): Correct program name.
12140 (open_files): Open all files in binary mode.
12141 * libgcc2.c (__bb_exit_func): Likewise.
12143 * profile.c (init_branch_prob): Specify binary when opening files.
12145 * flags.h (flag_unwind_tables): New decl.
12146 * toplev.c (flag_unwind_table): New definition.
12147 (f_options): Add -funwind-tables.
12148 (decode_g_option): Clarify warning when unknown -g option is given.
12149 (rest_of_compilation): If inside an inlined external function,
12150 pretend we are just being declared.
12152 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
12153 (dwarf2out_frame_finish): Likewise.
12155 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
12157 * fold-const.c (merge_ranges): If not in0, but in1, handle
12158 upper bounds equal like subset case.
12160 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
12162 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
12163 passed in a register but moved to the stack.
12165 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
12167 * gcc.c (pass_exit_codes, greatest_status): New variables.
12168 (struct option_map): Add entry for "--pass-exit-codes".
12169 (execute): Update greatest_status if error.
12170 (display_help): Add documentation for -pass-exit-codes.
12171 (process_command): Handle -pass-exit-codes.
12172 (main): Look at pass_exit_codes and greatest_status on call to exit.
12174 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12176 * reload.c (find_reloads): Refine test for no input reload
12177 case to not includes reloads emitted after insn.
12179 * function.c (find_temp_slots_from_address): Handle sum involving
12180 a register that points to a temp slot.
12181 (update_temp_slot_address): Make recursive call if both old and
12182 new are PLUS with a common operand.
12183 * calls.c (expand_call): Mark temp slot for result as having
12186 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
12188 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
12189 component as well as "BINUTILS".
12191 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
12192 * integrate.c (copy_rtx_and_substitute): Likewise.
12193 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
12194 All callers changed.
12195 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
12197 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
12198 gdb extensions, write size of type; also be more consistent
12199 in using references when this is a subtype.
12201 * pa.md (extv, extzv, insv): Use define_expand to reject constant
12202 that is out of range.
12204 * loop.c (unknown_constant_address_altered): New variable.
12205 (prescan_loop): Initialize it.
12206 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
12207 (invariant_p, case MEM): Remove handling for volatile and readonly;
12208 check new variable if readonly.
12209 (check_dbra_loop): Chdeck unknown_constant_address_altered.
12211 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
12212 (addr_affects_sp_p): Removed from note_mem_written and only
12213 define #ifdef AUTO_INC_DEC.
12215 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
12217 * regclass.c (record_reg_classes): Properly handle register move
12220 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
12221 Don't think valid if both operands are invalid.
12222 (struct constant_descriptor): New field RTL.
12223 (mark_const_hash_entry): Mark it.
12224 (record_constant{,_rtx}): Initialize it.
12225 (output_constant_def): Allocate RTL in permanent obstack and
12227 ({record,compare}_constant_1): Modes must match for
12228 CONSTRUCTOR of ARRAY_TYPE.
12230 * c-common.h (initializer_constant_valid_p): Delete decl from here.
12231 * output.h (initializer_constant_valid_p): Move decl to here.
12232 * c-common.c (initializer_constant_valid_p): Delete function from here.
12233 * varasm.c (initializer_constant_valid_p): Move function to here.
12235 * tree.h (STRIP_SIGN_NOPS): New macro.
12236 * fold-const.c (optimize_minmax_comparison): New function.
12237 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
12238 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
12239 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
12240 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
12241 widening conversions.
12242 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
12243 to look at size of mode, not precision of type; also add missing cases.
12244 (optimize_bit_field_compare, decode_field_reference): Don't try to
12245 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
12247 * dwarf2out.c (ctype.h): Include.
12248 (dwarf2out_set_demangle_name_func): New function.
12249 (size_of_line_info): Deleted.
12250 (output_line_info): Compute size of line info table from difference
12252 (base_type_die, add_name_attribute): Call demangle function, if any.
12253 (field_byte_offset): Use bits per word for variable length fields.
12254 (gen_array_type_die): Add array name.
12255 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
12256 (dwarf2out_add_library_unit_info): New function.
12258 * explow.c (set_stack_check_libfunc): New function.
12259 (stack_check_libfunc): New static variable.
12260 (probe_stack_range): Allow front-end to set up a libfunc to call.
12262 * combine.c (simplify_comparison): When making comparison in wider
12263 mode, check for having commuted an AND and a SUBREG.
12264 (contains_muldiv): New function.
12265 (try_combine): Call it when dividing a PARALLEL.
12266 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
12267 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
12269 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
12270 use one of the CLOBBERs instead.
12271 (if_then_else_cond): If comparing against zero, just return thing
12274 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
12275 Don't generate shifts and subtract if have conditional arithmetic.
12277 * rtl.h (delete_barrier): New declaration.
12278 * jump.c (jump_optimize): Set up to handle conditional call.
12279 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
12280 (delete_barrier): New function.
12282 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
12284 * recog.c (nonmemory_operand): Accept ADDRESSOF.
12286 * tree.c (build_type_attribute_variant): Push to obstack of
12287 ttype around type_hash_canon call.
12289 * expr.c (placeholder_list): Move decl to file scope.
12290 (expand_expr): Don't force access to volatile just because its
12292 If ignoring reference operations, just expand the operands.
12293 (expand_expr, case COMPONENT_REF): Propagate
12294 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
12295 Refine test for using bitfield operations vs pointer punning.
12296 (expand_expr, case CONVERT_EXPR): If converting to
12297 BLKmode UNION_TYPE from BLKmode, just return inner object.
12298 Use proper mode in store_field call.
12299 Properly set sizes of object to store and total size in store_field
12300 call for convert to union.
12301 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
12302 memory (like for ADDR_EXPR). Also, don't put constant in register if
12303 we'll want it in memory.
12304 (readonly_fields_p): New function.
12305 (expand_expr, case INDIRECT_REF): Call it if LHS.
12306 (expand_assignment): Handle a RESULT_DECL where
12307 DECL_RTL is a PARALLEL.
12308 (do_jump, case WITH_RECORD_EXPR): New case.
12309 (get_inner_reference): Always go inside a CONVERT_EXPR
12310 and NOP_EXPR if both modes are the same.
12311 (store_field): Use bitfield operations if size of bitsize is not same
12312 as size of RHS's type.
12313 Check for bitpos not a multiple of alignment in BLKmode case.
12314 Do block move in largest possible alignment.
12315 (store_constructor): Set BITSIZE to -1 for variable size and properly
12316 in case of array of BLKmode.
12317 (expand_expr_unaligned): New function.
12318 (do_compare_and_jump): Call it.
12320 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
12321 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
12322 does not include 'o'.
12324 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
12325 both SET_DEST and SET_SRC reference a virtual register.
12326 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
12328 * integrate.c (expand_inline_function): Handle case of setting
12329 virtual stack vars register (from built in setjmp); when parameter
12330 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
12331 (subst_constant): Add new parm, MEMONLY.
12332 (expand_inline_function, integrate_parm_decls): Pass new parm.
12333 (integrate_decl_tree): Likewise.
12334 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
12335 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
12336 (copy_rtx_and_substitute, case SET): Add explicit calls to
12337 copy_rtx_and_substitute for both sides.
12339 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
12341 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
12342 within INDEX_TYPE, instead of before.
12343 (fixup_gotos): Use f->target_rtl, not the next insn,
12344 since latter may be from a later fixup.
12345 (expand_value_return): Correctly convert VAL when promoting function
12346 return; support RETURN_REG being a PARALLEL.
12347 (expand_return): When checking for result in regs and having
12348 cleanup, consider PARALLEL in DECL_RTL as being in regs.
12350 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
12352 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
12353 last_nominal_fname): Mark const.
12354 (struct include_hash: name, nshort, control_macro): Mark
12356 (struct macrodef: symnam): Mark const.
12357 (struct if_stack: fname): Mark const.
12358 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
12359 (IStable): New character-syntax array which encompasses all
12360 the old is_foo arrays.
12361 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
12362 is_space): New macros for interrogating IStable.
12363 (check_macro_name): Kill last argument. All callers changed.
12365 * cppinit.c (initialize_char_syntax): Delete.
12366 (is_idchar, is_idstart, is_hor_space, is_space,
12367 trigraph_table): Delete.
12368 (IStable): New. Initialize with clever macros to avoid
12369 information duplication.
12370 (builtin_array): Table of builtins to get rid of explicit list
12371 in initialize_builtins.
12372 (initialize_builtins): Use builtins_array.
12373 (cpp_start_read): Call init_IStable, and set IStable['$'] if
12374 opts->dollars_in_ident.
12376 * cppexp.c: Change all refs to is_xyz[] arrays to use new
12378 (cpp_parse_expr): Avoid 'format string is not constant'
12379 warning. Use ISGRAPH to identify printable chars.
12380 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
12382 (read_and_prescan): Map trigraphs to chars with open-coded
12383 if-else-if-... sequence, not a lookup table.
12384 * cpphash.c: Change all refs to is_xyz[] arrays to use new
12386 * cpplib.c: Change all refs to is_xyz[] arrays to use new
12387 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
12388 (check_macro_name): Remove ability to report an invalid
12389 assertion name, which is never used.
12390 (do_line): Constify a couple of char *'s.
12391 * cppmain.c (main): Call cpp_cleanup before returning.
12393 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
12395 * ggc.h (struct ggc_statistics): New type.
12396 (ggc_get_size): New function.
12397 (ggc_print_statistics): Likewise.
12398 * ggc-common.c (ggc_stats): New variable.
12399 (ggc_mark_rtx_children): Keep statistics.
12400 (ggc_mark_tree_children): Likewise.
12401 (ggc_print_statistics): New function.
12402 * ggc-page.c (struct globals): Add bytes_mapped field.
12403 (alloc_anon): Update it.
12404 (release_pages): Likewise.
12405 (ggc_get_size): New function.
12406 (ggc_page_print_statistics): New function.
12407 * ggc-simple.c (ggc_get_size): New function.
12409 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
12411 * flow.c (propagate_block): When the last reference to a label
12412 before an ADDR_VEC is deleted because the reference is a dead
12413 store, delete the ADDR_VEC.
12415 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
12417 * resource.c (find_free_register): Don't use the frame pointer
12418 if frame_pointer_needed.
12420 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
12422 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
12423 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
12425 * config/i960/i960.c (i960_va_start): New locals base, num.
12426 Use INDIRECT_REF instead of ARRAY_REF on valist.
12427 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
12429 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
12431 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
12433 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
12435 * tree.def (PLACEHOLDER_EXPR): Update comments.
12437 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12439 * c-common.c (check_format_info): Avoid non-literal format string
12440 warnings when `first_arg_num' is zero.
12442 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12444 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
12446 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
12448 * arm.md (casesi_insn): Add a clobber of the condition code
12451 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
12453 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
12454 used by both cc1 and cc1plus.
12456 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
12458 * config/arm/arm.c: Initialise arm_structure_size_boundary to
12459 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
12460 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
12461 to the value 32 if it has not already been defined.
12462 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
12463 Override definition in arm.h with a value of 8.
12465 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
12467 * c-pragma.c (push_alignment): Don't check the return value
12470 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
12472 * sparc.h (ADJUST_COST): Fix thinko.
12474 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
12476 * cccp.c (rescan): Fixed obp pointer handling around call to
12477 check_expand subroutine.
12479 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
12481 * gcse.c (delete_null_pointer_checks): Only record non-null info
12482 for pseudos when examining stores.
12484 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
12485 splitters for these patterns. Use "#" for output templates.
12486 (addsi3_carryin_shift): New pattern.
12488 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
12490 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
12491 of the function return register into a plain REG until
12492 after function inlining is done.
12494 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
12496 * jump.c (jump_optimize_1): If we did cross-jumping, and
12497 the data will matter, rebuild the CFG.
12498 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
12499 not optimizing. Don't run shorten_branches.
12500 * toplev.c (rest_of_compilation): Run shorten_branches after
12503 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
12505 * rtl.h (note_stores): Add additional paramter.
12506 * rtlanal.c (reg_set_p_1): Take additional paramter.
12507 (reg_set_last_1): Likewise.
12508 (reg_set_p): Adjust call to note_stores.
12509 (reg_set_last): Likewise.
12510 (note_stores): Pass data parameter to worker function.
12511 * alias.c (record_set): Take additional parameter.
12512 (init_alias_analysis): Pass it.
12513 * caller-save.c (mark_set_regs): Take additional parameter.
12514 (save_call_clobbered_regs): Pass NULL to note_stores.
12515 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
12517 (record_dead_and_set_regs_1): Likewise.
12518 (reg_dead_at_p_1): Likewise.
12519 (combine_instructions): Adjust calls to note_stores.
12520 (try_combine): Likewise.
12521 (record_dead_insn): Remove.
12522 (record_dead_and_set_regs): Adjust calls to note_stores.
12523 (reg_dead_at_p): Likewise.
12524 * cse.c (invalidate_skipped_set): Take additional parameter.
12525 (cse_check_loop_start): Likewise.
12526 (cse_check_loop_start_value): Remove.
12527 (cse_set_around_loop): Adjust calls to note_stores.
12528 * flow.c (notice_stack_pointer_modification): Take additional
12529 parameter. Remove duplicate declaration.
12530 (record_volatile_insns): Adjust calls to note_stores.
12531 * gcse.c (record_set_info): Take additional parameter.
12532 (record_last_set_info): Likewise.
12533 (invalidate_nonnull_info): Likewise.
12534 (record_set_insn): Remove.
12535 (compute_sets): Adjust calls to note_stores.
12536 (last_set_insn): Remove.
12537 (compute_hash_table): Adjust calls to note_stores.
12538 (insert_insn_end_bb): Likewise.
12539 (delete_null_pointer_checks): Likewise.
12540 * global.c (mark_reg_store): Take additional parameter.
12541 (mark_reg_clobber): Likewise.
12542 (reg_becomes_live): Likewise.
12543 (global_conflicts): Adjust calls to note_stores.
12544 (build_insn_chain): Likewise.
12545 * integrate.c (note_modified_parmregs): Take additional parameter.
12546 (mark_stores): Likewise. Make it static.
12547 (save_for_inline_nocopy): Adjust calls to note_stores.
12548 (try_constants): Likewise.
12549 * integrate.h (mark_stores): Remove declaration.
12550 * jump.c (mark_modified_reg): Take additional parameter.
12551 (thread_jumps): Adjust calls to note_stores.
12552 * local-alloc.c (validate_equiv_mem_from_store): Take additional
12554 (no_equiv): Likewise.
12555 (reg_is_set): Likewise.
12556 (validate_equiv_mem): Adjust calls to note_stores.
12557 (update_equiv_regs): Likewise.
12558 (block_alloc): Likewise.
12559 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
12560 (note_addr_stored): Take additional parameter.
12561 (note_set_pseudo_multiple_uses): Likewise.
12562 (record_initial): Likewise.
12563 (prescan_loop): Adjust calls to note_stores.
12564 (strength_reduce): Likewise.
12565 (check_dbra_loop): Likewise.
12566 * regmove.c (flags_set_1): Take additional paramter.
12567 (mark_flags_life_zones): Adjust calls to note_stores.
12568 * reload1.c (mark_not_eliminable): Take additional parameter.
12569 (forget_old_reloads_1): Likewise.
12570 (reload_cse_invalidate_rtx): Likewise.
12571 (reload_cse_check_clobber): Likewise.
12572 (reload_combine_note_store): Likewise.
12573 (move2add_note_store): Likewise.
12574 (reload): Adjust calls to note_stores.
12575 (reload_as_needed): Likewise.
12576 (emit_reload_insns): Likewise.
12577 (reload_cse_regs_1): Likewise.
12578 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
12579 (reload_combine): Adjust calls to note_stores.
12580 * resource.c (update_live_status): Take additional paramter.
12581 (mark_target_live_regs): Adjust calls to note_stores.
12582 * stupid.c (find_clobbered_regs): Take additional parameter.
12583 (stupid_life_analysis): Adjust calls to note_stores.
12585 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
12587 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
12590 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
12593 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
12594 of the variable arm_structure_size_boundary.
12596 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12598 * alias.c (init_alias_analysis): Allocate reg_known_value and
12599 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
12601 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
12602 * cse.c (cse_main): Call end_alias_analysis.
12603 * haifa-sched.c (schedule_insns): Likewise.
12604 * local-alloc. (update_equiv_regs): Likewise.
12605 * reload1.c (reload_cse_regs): Likewise.
12607 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12609 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
12610 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
12611 mapping from MASK_FPU.
12613 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
12615 * sparc.md (call): Don't bound structure return size to 0xfff.
12617 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
12619 * resource.c (mark_target_live_regs): Check that the target
12620 insn wasn't created after compute_bb_for_insn.
12622 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
12624 * ggc-page.c (poison_pages): Don't be overzealous.
12626 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
12628 * alias.c: Update comments for ADDRESS.
12629 (nonlocal_reference_p): Look inside the ADDRESS to determine if
12630 it is a local memory reference.
12632 * c-typeck.c (build_function_call): Check that the built-in
12633 function is of class BUILT_IN_NORMAL before trying to recongize
12634 it as BUILT_IN_ABS.
12635 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
12636 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
12638 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
12640 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
12642 (pre_gcse): Likewise.
12643 (hoist_expr_reaches_here_p): Likewise.
12644 (hoist_code): Likewise.
12645 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
12647 (pre_expr_reaches_here_p_work): ... here.
12648 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
12650 (expr_reaches_here_p_work): ... here.
12652 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
12654 * resource.c (find_basic_block): Delete.
12655 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
12656 (init_resource_info): Call compute_bb_for_insn.
12658 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
12660 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
12661 with already adjacent blocks, but no fallthru.
12662 (merge_blocks_move_successor_nojumps): Simplify.
12663 (debug_flow_info): New.
12665 * toplev.c (rest_of_compilation): Open jump1 dump file before
12666 jump and close after, as opposed to just using dump_rtl.
12668 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12670 * reload.h (earlyclobber_operand_p): Declare.
12671 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
12672 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12673 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
12674 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
12676 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12677 Richard Henderson <rth@cygnus.com>
12679 * emit-rtl.c (emit_block_insn_before): New.
12680 (emit_block_insn_after): New.
12681 * basic-block.h: Declare them.
12683 * bitmap.h: Protect from multiple inclusion.
12685 * recog.c (scratch_operand): Handle VOIDmode correctly.
12687 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
12689 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
12690 * function.c (assign_parms): Likewise.
12691 * global.c (global_conflicts): Clarify STACK_REGS commentary.
12693 * reg-stack.c (max_uid): Remove.
12694 (blocks, block_begin, block_end, block_drops_in): Remove.
12695 (block_stack_in, block_out_reg_set, block_number): Remove.
12696 (struct block_info_def, BLOCK_INFO): New.
12697 (enum emit_where): New.
12698 (current_block): New.
12699 (BLOCK_NUM): Remove.
12700 (mark_regs_pat, record_label_references): Remove.
12701 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
12703 (goto_block_pat, print_blocks, dump_stack_info): Remove.
12704 (reg_to_stack): Simplified test for existance of fp code. Use
12705 flow.c code. Call shorten_branches after cross-jump opt.
12706 (check_asm_stack_operands): Renamed from record_asm_reg_life.
12707 Return false if the asm doesn't use stack regs. Don't do life
12708 analysis on the asm.
12709 (emit_pop_insn): Replace function pointer arg `when' with
12710 enum `where'. Update all callers.
12711 (change_stack): Likewise. Update basic block end.
12712 (emit_swap_insn): Use current_block->head to limit reverse search
12713 for start of block. Use emit_block_insn_after.
12714 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
12715 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
12716 structure assignment instead of bcopy.
12717 (print_stack): New.
12718 (convert_regs_entry, convert_regs_exit): New.
12719 (convert_regs_1, convert_regs_2): Split out from convert_regs.
12720 Work on basic blocks and the CFG.
12721 (convert_regs): Use them.
12723 * i386.c (output_fix_trunc): Remove code for DImode input operand
12724 not at top-of-stack.
12725 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
12727 (fix_truncdi_1): Allow any mode scratch.
12729 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
12731 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
12732 * linux.h, netbsd.h, vms.h: Not here.
12734 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
12736 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
12737 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
12738 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
12739 CONDITIONAL_REGISTER_USEAGE): Use them.
12740 * config/mips/mips.c (mips_move_1word,mips_move_2words,
12741 gen_conditional_branch,override_options) : Use them.
12742 * config/mips/mips.md : Use them.
12744 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
12746 * i386.md (zero_extendqihi2): Use SImode register name with andl.
12748 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
12750 * integrate.c (function_cannot_inline_p): Don't allow inlining
12753 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12755 * c-parse.in (cast_expr): Constify.
12757 * cccp.c (special_symbol): Likewise.
12759 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
12761 * dwarf2out.c (base_type_die): Likewise.
12763 * global.c (allocno_compare): Likewise.
12765 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
12767 * regclass.c (fix_register): Likewise.
12769 * rtl.h (fix_register): Likewise.
12771 * stupid.c (stupid_reg_compare): Likewise.
12773 * toplev.c (decode_f_option): Likewise.
12775 * tree.c (build_complex_type): Likewise.
12777 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
12779 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
12781 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12783 * reload.c (find_reloads): Compute mode and nregs fields of all
12785 * reload1.c (calculate_needs_all_insns): Simplify a bit.
12786 (calculate_needs): Use precomputed mode/nregs values.
12787 (allocate_reload_reg): Likewise.
12789 (failed_reload, set_reload_reg): ... new functions.
12790 (choose_reload_regs_init): New function, mostly broken out from...
12791 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
12792 Also lose one #if 0 block.
12794 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
12796 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
12799 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
12801 * tree.h (BLOCK_TYPE_TAGS): Remove.
12802 (BLOCK_END_NOTE): Likewise.
12803 (BLOCK_LIVE_RANGE_FLAG): Likewise.
12804 (BLOCK_LIVE_RANGE_START): Likewise.
12805 (BLOCK_LIVE_RANGE_END): Likewise.
12806 (tree_block): Remove live_range_flag, live_range_var_flag, and
12807 type_tags. Remove end_note, live_range_start, and live_range_end.
12808 (remember_end_note): Remove prototype.
12809 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
12810 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
12812 * ggc-common.c (ggc_mark_tree_children): Don't mark
12813 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
12814 * integrate.c (adjust_copied_decl_tree): Remove.
12815 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
12816 * stmt.c (last_block_end_note): Remove.
12817 (init_stmt): Don't add a GC root for it.
12818 (expand_fixup): Don't set it.
12819 (remember_end_note): Remove.
12820 (expand_end_bindings): Don't set last_block_end_note.
12822 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12824 * reload1.c (reload_reg_free_for_value_p): Show
12825 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
12828 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
12830 * expmed.c (extract_bit_field): Allow for the case of non-integer
12831 objects that are smaller than a word (like SFmode on a 64-bit
12834 * loop.c (basic_induction_var): A non-integer variable which is
12835 being set by a paradoxical subreg is probably not a biv.
12837 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12839 * prefix.c (translate_name) Check for empty prefix string.
12841 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
12843 * Makefile.in (CPP_CROSS_NAME): New variable.
12844 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
12846 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
12847 names of the files to be uninstalled.
12849 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
12851 * collect2.c (IS_DIR_SEPARATOR): Define.
12852 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
12854 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
12857 * haifa-sched.c (add_dependence): Update the true dependency
12858 cache the first time we add a true dependence to the LOG_LINKS chain.
12860 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
12862 * fold-const.c (fold): Fix comment.
12864 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12866 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
12867 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
12868 dbxout_start_new_source_file, dbxout_source_file,
12869 dbxout_source_line, dbxout_finish, dbxout_type_fields,
12870 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
12872 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
12873 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
12874 (dbxout_block): Initialize variable `blocknum'.
12876 * dbxout.h (dbxout_init, dbxout_finish,
12877 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
12878 dbxout_args, dbxout_source_line): Constify a char*.
12880 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
12881 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
12882 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
12883 low_pc_attribute, high_pc_attribute, body_begin_attribute,
12884 body_end_attribute, comp_dir_attribute, sf_names_attribute,
12885 src_info_attribute, mac_info_attribute, producer_attribute,
12886 lookup_filename, generate_macinfo_entry, fundamental_type_code,
12887 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
12888 dwarfout_undef): Constify a char*.
12889 (add_incomplete_type, retry_incomplete_types): Add prototypes.
12891 * dwarfout.h (dwarfout_define, dwarfout_undef,
12892 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
12894 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
12896 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
12897 (MULTILIB_ISA_DEFAULT): New.
12898 (MULTILIB_DEFAULTS): Use it.
12899 * config/mips/mips.c (): Remove the now unnecessary definition
12900 of MIPS_ISA_DEFAULT.
12901 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
12902 unnecessary definition.
12904 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
12906 * arm.md (pic_load_addr): Add constraints to operand 1.
12908 1999-10-25 Bruce Korb <autogen@linuxbox.com>
12910 * fixinc/genfixes: Provide a means for specifying -D options to
12913 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
12915 * arm.c (arm_override_options): Correct initialization of
12916 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
12917 arm_is_strong, and arm_is_6_or_7.
12919 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
12920 (note_set_pseudo_multiple_uses): New function.
12921 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
12922 if a pseudo set in the loop exit is used elsewhere.
12924 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
12926 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
12928 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
12930 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
12931 a single load-address pattern.
12933 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
12935 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
12936 depending on whether or not line-number notes are present.
12938 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * cccp.c (progname, file_buf, default_include, include_file,
12941 macrodef, definition, hashval, wchar_type, user_label_prefix,
12942 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
12943 expand_to_temp_buffer, is_system_include, base_name,
12944 absolute_filename, read_name_map, open_include_file,
12945 record_control_macro, check_precompiled, check_preconditions,
12946 pcfinclude, pass_thru_directive, create_definition,
12947 check_macro_name, comp_def_part, collect_expansion,
12948 check_assertion, read_token_list, assertion_install,
12949 assertion_lookup, eval_if_expression, conditional_skip,
12950 validate_else, skip_quoted_string, quote_string, macarg1,
12951 error_from_errno, install, lookup, hashf, dump_defn_1,
12952 perror_with_name, pfatal_with_name, main, trigraph_pcp,
12953 check_white_space, rescan, handle_directive, monthnames,
12954 special_symbol, do_include, remap_include_file, write_output,
12955 arglist, do_assert, do_unassert, do_line, do_error, do_once,
12956 do_ident, do_sccs, do_xifdef, skip_if_group,
12957 output_line_directive, macroexpand, macarg, change_newlines,
12958 initialize_builtins, make_definition): Constify a char*.
12960 * pcp.h (stringdef): Likewise.
12962 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
12964 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
12967 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
12968 Richard Henderson <rth@cygnus.com>
12970 * alias.c: Include ggc.h.
12971 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
12972 (record_set): Verify enough room in reg_base_value.
12973 (init_alias_analysis): Allocate reg_base_value with xcalloc.
12974 Register it as a GC root.
12975 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
12976 * Makefile.in (alias.o): Depend on ggc.h.
12978 * unroll.c (unroll_loop): Verify the insn before a barrier
12979 is a JUMP_INSN before checking JUMP_LABEL.
12981 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12983 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
12984 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
12985 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
12986 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
12987 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
12988 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
12990 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12992 * output.h (ctors_section, dtors_section, bss_section): Prototype.
12994 * alpha/alpha-interix.h (text_section): Delete prototype.
12995 * alpha/elf.h (text_section): Likewise.
12996 * arm/linux-elf.h (text_section): Likewise.
12997 * arm/linux-telf.h (text_section): Likewise.
12998 * c4x/c4x.h (text_section): Likewise.
12999 * dsp16xx/dsp16xx.h (bss_section): Likewise.
13000 * elfos.h (text_section): Likewise.
13001 * i386/aix386ng.h (text_section): Likewise.
13002 * i386/i386-interix.h (text_section): Likewise.
13003 * i386/sco5.h (text_section): Likewise.
13004 * i386/svr3gas.h (text_section): Likewise.
13005 * nextstep.h (text_section): Likewise.
13006 * psos.h (text_section): Likewise.
13007 * ptx4.h (text_section): Likewise.
13008 * svr3.h (text_section): Likewise.
13009 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
13011 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13013 * final.c (peephole): Delete prototype.
13015 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
13016 (pre_insert_copies): Remove unused variable `bb'.
13018 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
13021 * output.h (peephole): Add prototype.
13023 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
13025 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
13028 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
13030 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
13031 for inlined declarations.
13033 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
13035 * arm.c (logical_binary_operator): New fucntion.
13036 * arm.h (logical_binary_operator): Declare it.
13037 (PREDICATE_CODES): Handle logical_binary_operator.
13038 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
13039 output constraints. Add appropriate splitters.
13040 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
13041 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
13042 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
13044 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13046 * genoutput.c (struct operand_data): New elt eliminable.
13047 (output_operand_data): Write it.
13048 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
13049 (compare_operands): Take it into account.
13050 * recog.h (struct insn_operand_data): New elt eliminable.
13051 * reload1.c (check_eliminable_occurrences, elimination_effects): New
13053 (old_asm_operands_vec, new_asm_operands_vec): Delete.
13054 (eliminate_regs): Move code that detects changes to elimination
13055 target regs into new function elimination_effects.
13056 Delete one #if 0 block.
13057 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
13058 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
13059 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
13060 Only call eliminate_regs for real operands of the insn, not for parts
13061 of its structure or parts matched by things like match_operator.
13062 Use elimination_effects and check_eliminable_occurrences. Use
13063 copy_insn to duplicate the pattern when not in the final pass.
13065 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
13067 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
13070 1999-10-22 Bruce Korb <autogen@linuxbox.com>
13072 * fixinc/README: document the "mach" machine matching test
13073 * fixinc/fixfixes.c: Implement the #else/#endif label fix
13074 * fixinc/fixtests.c: Implement the #else/#endif label test
13075 * fixinc/inclhack.def: utilize these tests and fixes
13076 * fixinc/inclhack.sh: regen
13077 * fixinc/fixincl.x: regen
13078 * fixinc/fixincl.sh: regen
13080 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
13082 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
13085 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
13087 * gcc.1: Document exit codes.
13089 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13091 * calls.c: Include tm_p.h later, so everything we need is defined.
13092 * expr.c: Likewise.
13093 * function.c: Likewise.
13095 * except.c: Include tm_p.h.
13097 * sparc.c: Likewise.
13098 (dwarf2out_cfi_label): Don't prototype.
13099 (check_return_regs, epilogue_renumber,
13100 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13101 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
13102 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
13103 ultra_schedule_insn): Add static prototype.
13104 (data_segment_operand, text_segment_operand): Call itself with the
13105 proper number of arguments.
13106 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
13108 * sparc.h: Move all declarations to sparc-protos.h.
13109 (SELECT_RTX_SECTION): Pass a missing MODE argument to
13112 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
13114 * config/svr4.h (text_section, ctors_section, dtors_section): Add
13116 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
13117 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13118 ASM_OUTPUT_ASCII): Constify a char*.
13120 * sparc-protos.h: New file for sparc prototypes.
13122 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13124 * function.c (record_insns, contains): Always declare and define.
13125 (record_insns): Mark with ATTRIBUTE_UNUSED.
13127 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13129 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
13130 to .section when outputting a .bss section to deal with multiple
13131 .bss input sections (as happens with -fdata-sections)
13132 Also output %progbits, not @progbits so the assembler doesn't treat as
13134 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
13136 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
13137 thumb parts even when building with non-thumb CPUs, by forcing
13140 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
13142 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
13143 (movdf_const_intreg_sp64): Similarly.
13145 * local-alloc.c (update_equiv_regs): Check the correct insn
13146 for pre-existing REG_EQUIV notes.
13148 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
13150 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
13151 block reached by a branch if we're not going to actually process
13154 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
13156 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
13157 a local extern function declaration.
13159 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
13161 * i386.c (ix86_expand_prologue): Properly wrap USE around
13162 reg for CALL_INSN_FUNCTION_USAGE.
13164 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
13166 * config/mips/mips.md (movdf_internal1a): Allow floating-point
13167 move between GP_REGs.
13169 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
13171 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
13172 the mode size when finding out if an offset is legal.
13174 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
13176 * basic-block.h (PROP_*): Move constants from ...
13177 * flow.c: ... here.
13178 (compute_bb_for_insn): Free the array before reallocating.
13179 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
13180 (allocate_reg_life_data): Reset all reg variables collected by
13182 (get_block_head_tail): Don't convert from bb to block.
13183 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
13184 (find_insn_reg_weight): Take block not bb.
13185 (schedule_block): Don't set block num for moved insns.
13186 (schedule_region): Don't update_life_info or find_insn_reg_weight.
13187 (schedule_insns): Do it here instead.
13188 * combine.c (combine_instructions): Invoke compute_bb_for_insn
13189 before update_life_info.
13190 * recog.c (split_all_insns, peephole2_optimize): Update for
13191 new arg to update_life_info.
13192 * rtlanal.c (remove_note): Cope with NULL note.
13193 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
13196 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
13198 * jump.c (jump_optimize_1): More accurately detect casesi insns.
13200 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
13201 block records so that merge_blocks_nomove will clean up correctly.
13202 (split_edge): Handle casesi insns.
13204 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
13206 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
13208 * pa.md (call, call_value): Do not emit a blockage after restoring
13211 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
13213 * c-typeck.c (c_expand_asm_operands): Fix typo.
13215 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13217 * arm.c (fpu_rhs_operand): Verify modes.
13218 (fpu_add_operand): Likewise.
13219 (di_operand): Likewise.
13220 (soft_df_operand): Likewise.
13222 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
13224 * arm.c (arm_return_in_memory): APCS rules state that the elements
13225 of a structure returned in a register must be 'integer-like'.
13227 1999-10-19 Bruce Korb <autogen@linuxbox.com>
13229 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
13230 in the source tree when the generated targets are out of date
13231 * fixinc/genfixes: Alter it to run individual fixes for make.
13232 * fixinc/README: rewrite
13233 * fixinc/inclhack.def: moved initial comments to README
13235 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
13237 * toplev.c (main): Do not generate an error message if an
13238 unrecognised command line switch is recognisable by another
13239 language. If extra_warnings are enabled, then generate a
13240 warning message instead.
13242 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
13244 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
13245 (insert_pack_attributes): Delete prototype.
13247 * c-pragma.c (default_alignment): New static variable.
13248 (push_alignment): Initialize to current effective alignment.
13249 (pop_alignment): Use to set new alignment.
13250 (insert_pack_attributes): Delete function.
13251 (handle_pragma_token): Set default_alignment as well each time
13252 a #pragma pack(<n>) is encountered.
13254 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
13256 * reg-stack.c (stack_result): Aggregates are not returned in
13259 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13261 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
13263 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
13265 * basic-block.h (set_block_num): Declare.
13266 * flow.c (update_life_info): Don't call compute_bb_for_insn
13267 or free_basic_block_vars.
13268 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
13269 (insn_orig_block): Remove.
13270 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
13271 (schedule_block): Keep BLOCK_NUM up-to-date.
13272 (schedule_insns): Use compute_bb_for_insn.
13273 * recog.c (split_all_insns): Likewise.
13274 (peephole2_optimize): Likewise.
13276 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
13278 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
13279 if the pic register is used.
13281 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13283 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
13284 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
13285 if that tests TREE_PERMANENT.
13287 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
13289 * cse.c (invalidate_for_call): Do not remove memory references from
13290 the table here. It's handled elsewhere.
13292 * haifa-sched.c (add_dependence): Protect references to the
13293 true dependency cache with #ifdef INSN_SCHEDULING.
13294 (remove_dependence): Similarly.
13296 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
13297 to the cfg code that this is a return instruction.
13298 * mn10300.md (return_internal): Similarly.
13300 * combine.c (get_last_value): If the last set of a register
13301 is after subst_low_cuid, then we can not use it to determine
13302 the register's last value.
13304 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13306 * Makefile.in: Back out previous change.
13308 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
13310 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
13312 * haifa-sched.c (add_dependence): Only check/update the cache
13314 (remove_dependence): Likewise.
13315 (schedule_insns): Only create the true_dependency_cache if the
13316 average number of instructions in a basic block is very large.
13318 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13320 * Makefile.in (ggc-common.o): Depend on genrtl.h.
13321 (ggc-simple.o): Likewise.
13322 (ggc-page.o): Likewise.
13324 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
13326 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
13327 Prototype for exported functions.
13328 (pre_lcm, pre_rev_lcm): Remove prototypes.
13329 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
13330 (compute_available): Move to lcm.c, and change parameter order.
13331 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
13332 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
13333 (gcse_main): No longer call compute_preds_succs. Rebuild the
13334 set table after reach pre pass.
13335 (pre_insert_map, pre_delete_map, edge_list): New.
13336 (alloc_pre_mem): Allocate edge vectors.
13337 (free_pre_mem): Delete edge vectors.
13338 (compute_pre_data): Call new edge based lcm routines.
13339 (process_insert_insn): New function.
13340 (insert_insn_end_bb): Use it.
13341 (pre_edge_insert): New function.
13342 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
13344 (pre_insert_copies): Revamp using new edge based lcm outputs.
13345 (pre_delete): Likewise.
13346 (one_pre_gcse_pass): Insert & remove fake edges to the exit
13348 (compute_code_hoist_vbeinout): New new edge based routines.
13349 * lcm.c: Remove all the old LCM functions. Replace with new ones
13350 that work with the new cfg datastructures and work with edges
13353 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13355 * reload.h (struct reload): Add new fields "mode" and "nregs".
13356 * reload1.c: Change all occurrences of reload_mode and reload_nregs
13357 to reference the "mode" and "nregs" field within struct reload.
13359 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
13361 * haifa-sched.c (true_dependency_cache): New.
13362 (add_dependence): Use the true dependency cache to avoid expensive
13363 walks down the LOG_LINKS dependency list. Add entries to the
13364 cache as necessary.
13365 (remove_dependence): Remove entries from the true dependency cache
13367 (schedule_insns): Allocate and initialize and free the true
13370 * haifa-sched.c (schedule_insns): Do not remove inter-block
13371 dependencies anymore.
13373 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13375 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
13376 * i386/t-winnt: Likewise.
13378 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
13380 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
13382 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
13384 * Makefile.in (LANGUAGES): Omit "proto".
13385 (clean): Remove stale comment about removing unprotoize.c.
13387 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13389 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
13390 using arithmetic on void pointers.
13392 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
13394 * haifa-sched.c (compute_block_forward_dependencies): Only check
13395 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
13397 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
13399 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
13400 (expr_equiv_p): Reject memories with different alias sets.
13402 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
13404 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
13405 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
13406 (f_options): Add "bounded-pointers" and "bounds-check" entries.
13407 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
13408 (lang_init): Set default for flag_bounds_check if still "unspecified".
13410 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13412 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
13414 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13416 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
13419 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13421 * config/c4x/c4x.md (*db_noclobber,
13422 *decrement_and_branch_until_zero_noclobber): New patterns and
13423 associated splitters.
13425 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13427 * config/c4x/c4x.md (parallel instruction patterns): Rework
13428 constraints to keep reload happy.
13430 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13432 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
13433 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
13434 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
13435 Add new patterns and associated post-reload splitters.
13437 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13439 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
13441 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13443 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
13445 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
13447 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13449 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
13452 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
13454 * pa.c (move_operand): Rely on memory_address_p to determine the
13455 validity of non-indexed memory addresses.
13456 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
13457 operand in DFmode and SFmode when generating PA2.0 code.
13459 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
13461 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
13463 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
13465 * mips.c (function_prologue): Fix argument types.
13466 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
13467 (casesi_internal): Write to the scratch register.
13469 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
13471 * cppexp.c (cpp_parse_escape): Make static. Change second arg
13473 (parse_charconst): Delete unnecessary cast when calling
13475 (cpplib.h): Kill prototype of cpp_parse_escape.
13477 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
13479 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
13480 * unroll.c (unroll_loop): Cast return value of alloca.
13481 * i370/i370.c: Include function.h and toplev.h.
13482 (i370_label_scan): Remove c++ commented abort.
13483 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
13484 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
13485 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
13486 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
13488 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
13490 * config/t-freebsd: Do not override USER_H.
13491 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
13493 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
13494 Mumit Khan <khan@xraylith.wisc.edu>
13496 * c-parse.in (component_decl): Support anonymous struct/union.
13498 * c-parse.y: Regenerate.
13499 * c-parse.c: Likewise.
13500 * objc/objc-parse.y: Likewise.
13501 * objc/objc-parse.c: Likewise.
13502 * c-decl.c (finish_struct): Don't sort the fields.
13503 (field_decl_cmp): Delete unused function.
13505 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
13507 * sparc.md (movsf_const_intreg): Revert last constraint change.
13508 (movdf_const_intreg_sp32): Likewise.
13510 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
13512 * cse.c: Include hashtab.h instead of splay-tree.h
13513 (struct cse_reg_info): No longer use variant union. Add new
13514 field "regno". All references changed to avoid union.
13515 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
13516 (free_cse_reg_info): Remove.
13517 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
13518 (get_cse_reg_info): Revamp to use expandable hash tables instead
13519 of splay trees. Initialize new fields in cse_reg_info structure.
13520 (new_basic_block): Similarly.
13522 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
13524 * genrecog.c (message_with_line): Prototype.
13525 (validate_pattern): Pass along the set for the dest, not a flag.
13526 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
13527 Check for PC/CC0 as sources.
13528 (nodes_identical): Check for children position match before
13529 allowing the combination.
13531 * rtl.c (read_rtx): Track line number across \\\n.
13533 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
13535 * mips.h (SPECIAL_MODE_PREDICATES): New.
13536 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
13537 (movdi+1, movsi+1): Add output reload constraint.
13538 (casesi_internal): Likewise. Fix commentary.
13539 (return_internal): Use pmode_register_operand.
13541 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
13543 * 1750a.md (movstrqi): Add missing output reload constraint.
13544 (call_value): Likewise.
13545 * a29k.md (cpxxx patterns): Add missing match_operator mode.
13546 (jmpfdec): Add missing inout reload constraint.
13547 * elxsi.md (addsi patterns): Add missing output reload constraint.
13548 (move from sp): Use @ alternates.
13549 (call_value): No constraint on output.
13550 * fr30.md (movsi_pop): Add missing output reload constraint.
13551 (movsf_constant_store): Likewise.
13552 (splits): Remove constraints.
13553 (subsi3): Add missing mode.
13554 * i370.md (cmpstrsi+1): Add missing output reload constraint.
13555 (call_value): Likewise.
13556 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
13557 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
13558 * m32r.md (movsicc_internal): Add output reload constraint.
13559 (movstrsi_internal): Add inout reload constraints.
13560 * m88k.h (reg_names): Don't declare.
13561 (SPECIAL_MODE_PREDICATES): New.
13562 * m88k.md (*): Use register_operand not reg_or_0_operand
13564 * mn10200.h (PREDICATE_CODES): New.
13565 * ns32k.md (ffs pattern): Add output reload constraint.
13566 * pdp11.md (sob pattern): Add inout reload constraint.
13567 * sh.md (splits): Remove constraints.
13568 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
13569 * v850.md (pattern_is_ok_for_epilogue): Likewise.
13570 * vax.md (jgequ pattern): Add inout reload constraint.
13572 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
13574 * configure.in (djgpp): Revert previous patch.
13575 * configure: Rebuit.
13576 * config/i386/djgpp.h: Revert previous patch.
13578 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
13580 * fixinc/inclhack.def: Restore patch lost during last merge of
13581 "no_bogosity" branch.
13582 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13584 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13586 * fixincludes: Add a HPUX 11 fix for inttypes.h.
13587 * fixinc/inclhack.def: Same.
13588 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
13590 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
13592 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
13593 as the base of a PLUS.
13595 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13597 * config/c4x/c4x.md: Define mode for remaining unspec operators.
13598 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
13600 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
13602 * pa.md (post_stw+1): Use pmode_register_operand.
13603 (dcacheflush, icacheflush): Likewise.
13605 * i386.md (movstricthi_1): Allow r/r.
13607 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
13609 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
13610 to (not (and (arg0) (arg1))). Similary for and.
13612 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
13613 fallthrough to associate code.
13614 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
13617 * combine.c (simplify_logical): Convert XOR to IOR if operands have
13618 no bits in common; remove XOR to ROTATE conversion.
13620 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13622 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
13624 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13626 * config/c4x/c4x.c (dst_operand): New.
13627 (PREDICATE_CODES): Update.
13628 * config/c4x/c4x.h (dst_operand): Declare it.
13629 * config/c4x/c4x.md: Define mode for each unspec usage.
13630 (move patterns): Use dst_operand predicate instead of src_operand.
13631 (movqi_update, movqf_update): Delete.
13633 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
13635 * recog.c (pmode_register_operand): New.
13636 * recog.h: Declare it.
13637 * genrecog.c (pred_codes): Likewise.
13638 (special_mode_pred_table): Likewise.
13639 (validate_pattern): Don't warn no mode for address_operand.
13641 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
13642 if the operand is not insn-like.
13644 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
13645 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
13647 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
13649 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
13651 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
13652 instead of general_operand in a SET_DEST. Use const_double_operand
13653 instead of an explicit test against CONST_DOUBLE.
13654 (movsf_const_lo): Add missing register mode.
13655 (goto_handler_and_restore): Add auxiliary test for Pmode.
13656 (flush): Adjust to use address_operand.
13657 (return_sf_no_fpu): Add missing output constraint.
13659 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
13661 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
13662 for call return value.
13663 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
13665 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
13667 * toplev.c (main): Only warn about options for other languages.
13668 * collect2.c (main): Pass -w to sub-gcc.
13670 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
13672 * flow.c (propagate_block): Add call-clobbered registers to
13675 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
13676 zapping mem_set_list.
13677 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
13678 (mark_set_1, mark_used_regs): Likewise.
13680 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
13682 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
13684 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13686 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
13687 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
13688 options. Also add a new item "C-only Warning Options" to the
13691 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
13693 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
13694 from multiple calls.
13696 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
13698 * i386.md (call value patterns): Move to the end of the file.
13699 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
13701 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
13703 * configure.in (djgpp configuration): Define extra_objects..
13704 * configure: Rebuilt.
13705 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
13706 (DTORS_SECTION_ASM_OP): Define.
13707 (INIT_SECTION_ASM_OP): Define.
13708 (FINI_SECTION_ASM_OP): Define.
13709 (DATA_SECTION_ASM_OP): Define.
13710 (TEXT_SECTION_ASM_OP): Define.
13711 (EH_FRAME_SECTION_ASM_OP): Define.
13712 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
13713 (STARTFILE_SPEC): Add crtbegin.o.
13714 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
13715 to here from LINK_COMMAND_SPEC.
13716 (DO_GLOBAL_CTORS_BODY): Define.
13717 (CRTSTUFF_USE_FINI_SECTION): Define
13718 (HAS_INIT_SECTION): Delete.
13720 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
13722 * Makefile.in (all.cross): Depend on xcpp$(exeext).
13724 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
13726 * pa.h (PREDICATE_CODES): New.
13728 * genrecog.c (validate_pattern): Condense the destination
13729 non-lvalue message.
13731 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
13733 * alpha.md (call-1): Supply missing mode for operator.
13734 (*): Add missing output reload constraints. Remove constraints
13735 from define_splits.
13737 * i386.h (SPECIAL_MODE_PREDICATES): New.
13738 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
13739 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
13740 (addsi_lea_3): Add missing mode for op 3.
13741 (prologue_set_got, prologue_get_pc): Add missing modes.
13742 (*) Add missing output reload constraints.
13744 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
13746 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
13747 check for member bit-size overflow and use var_size if it occurs.
13748 (layout_record): Use bitsize_int() to define the type size in bits.
13749 Likewise for computation and assignment to DECL_FIELD_BITPOS.
13750 (layout_decl): Likewise when assigning to DECL_SIZE.
13752 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
13754 * genrecog.c (validate_pattern): Typo last change. Verify
13755 that output operands have output reloads.
13757 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
13759 * genrecog.c (special_mode_pred_table): New.
13760 (NUM_SPECIAL_MODE_PREDS): New.
13761 (find_operand): New.
13762 (validate_pattern): New argument `insn'. Warn for assignment to
13763 any predicate accepting non-lvalues. Conditionaly warn for
13764 match_operand without a mode. Try much harder to match source
13765 and destination modes on a set.
13766 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
13768 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
13770 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
13772 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
13774 * combine.c (simplify_logical): Recognize xor pattern that encodes
13777 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13779 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
13782 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
13784 * ggc-page.c (MAP_FAILED): Provide default.
13786 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
13788 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
13789 * sparc.h (PREDICATE_CODES): Update.
13791 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
13793 * alpha.c (some_ni_operand): New.
13794 * alpha-protos.h: Declare it.
13795 * alpha.h (PREDICATE_CODES): Update.
13796 * alpha.md (sXaddq reload insns): Use some_ni_operand
13797 for SET_DEST instead of some_operand.
13799 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
13800 Jim Wilson <wilson@cygnus.com>
13802 * genrecog.c (maybe_both_true_2): Don't compare modes of
13804 (process_tree): Elide peephole2_insns. Invoke simplify_tests
13805 after find_afterward.
13806 (debug_decision_1): Dump next and afterward codes.
13808 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
13810 * rtl.c (dump_and_abort): Remove.
13811 (fatal_with_file_and_line): New.
13812 (fatal_expected_char): New.
13813 (read_rtx_lineno, read_rtx_filename): New.
13814 (read_skip_spaces): Track line number.
13815 (read_name): Use fatal_with_file_and_line.
13816 (read_rtx): Use fatal_expected_char. Track line number.
13817 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
13819 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
13820 if it isn't a CODE_LABEL.
13822 * genattr.c (main): Set read_rtx_filename.
13823 * genattrtab.c (main): Likewise.
13824 * gencodes.c (main): Likewise.
13825 * genconfig.c (main): Likewise.
13826 * genemit.c (main): Likewise.
13827 * genextract.c (main): Likewise.
13828 * genflags.c (main): Likewise.
13829 * genopinit.c (main): Likewise.
13830 * genoutput.c (main): Likewise.
13831 * genpeep.c (main): Likewise.
13833 * genrecog.c (decision_test.u.insn): Add `lineno'.
13834 (pattern_lineno, error_count): New variables.
13835 (message_with_line): New.
13836 (add_to_sequence): Break out checking code to ...
13837 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
13838 (merge_insn): Use message_with_line.
13839 (make_insn_sequence): Use validate_pattern. Record insn lineno.
13840 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
13842 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13844 * expr.c (store_constructor): Clear union if constructor is empty.
13846 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
13848 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
13849 Add !endian checks. Change %{...} to %(...).
13851 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
13853 * i386.md (*addsi3_cc): Renamed from addcsi3.
13854 (*addsi3_carry): Renamed from addxsi3.
13855 (*subsi3_cc): Renamed from subcsi3.
13856 (*subsi3_carry): Renamed from subxsi3.
13857 (*xorqi_cc_1): Renamed from xorcqi_1.
13858 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
13859 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
13861 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
13863 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
13864 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
13866 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
13868 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
13869 climb up the chain of insns.
13871 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
13873 * genrecog.c (write_subroutine): Careful for null trees.
13874 (process_tree): Don't elide empty functions.
13876 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
13878 * Makefile.in (genrtl.o): Depend on ggc.h.
13879 * configure.in (valloc): Probe for it.
13880 (with-gc): Use ggc-page if valloc present.
13881 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
13882 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
13883 (ggc_alloc_string): Moved from ggc-page.c.
13884 * ggc-none.c (ggc_alloc_obj): New.
13885 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
13886 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
13887 (struct globals): Likewise for dev_zero_fd.
13888 (init_ggc): Likewise for it's initialization.
13889 (ggc_allocated_p): Move careful dereference from ...
13890 (ggc_lookup_page_table): ... here. Delete.
13891 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
13892 (alloc_anon): Use valloc if no mmap.
13893 (release_pages): Use free if using valloc.
13894 (ggc_alloc_obj): Renamed from alloc_obj.
13895 (ggc_set_mark): Renamed from mark_obj.
13896 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
13897 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
13898 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
13899 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
13900 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
13901 (ggc_collect): Use fp printing instead of our own rounding.
13902 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
13903 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
13904 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
13905 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
13906 (struct ggc_string, struct ggc_any): Delete.
13907 (offsetof): Provide default definition.
13908 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
13910 (struct ggc_mem): New, from corpse of ggc_any.
13911 (struct ggc_status): Delete.
13912 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
13913 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
13914 (n_strings_collected, n_anys_collected): Delete.
13915 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
13916 (ggc_alloc_string, ggc_alloc): Delete.
13917 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
13918 (ggc_free_string, ggc_free_any): Delete.
13919 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
13920 (ggc_compare_addresses, ggc_mark_string): Delete.
13921 (ggc_mark_string_if_gcable, ggc_mark): Delete.
13922 (search_data): Delete.
13923 (struct globals): New.
13924 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
13925 (tree_insert, tree_lookup): New.
13926 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
13927 (clear_marks, sweep_objs): New.
13928 (ggc_collect): Gut. Use clear_marks, sweep_objs.
13929 (init_ggc): Set allocated_last_gc.
13930 (ggc_push_context): Gut. Use G.context.
13931 (ggc_pop_context): Likewise.
13932 (ggc_pop_context_1): New.
13933 (debug_ggc_tree): New.
13934 (debug_ggc_balance, tally_leaves): New.
13935 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
13936 (ggc_mark_string_if_gcable): Remove decl.
13937 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
13938 (ggc_mark_rtvec_children): New.
13939 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
13940 (ggc_mark_if_gcable): New decl.
13941 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
13942 (ggc_alloc_tree, ggc_alloc): Likewise.
13943 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
13944 (ggc_alloc_obj): New decl.
13945 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
13946 (ggc_alloc_tree, ggc_alloc): Likewise.
13947 (ggc_set_mark): New decl.
13948 * rtl.h (struct rtx_def): Remove gc_mark.
13949 (struct rtvec_def): Likewise.
13950 * tree.h (struct tree_common): Likewise.
13952 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
13954 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
13955 float_format and thread_file definitions.
13956 * configure: Rebuilt.
13958 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
13960 * extend.texi (Function Names): Document types of function names.
13962 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13964 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
13965 an earlyclobbered output conflict with RELOAD_INPUT reloads.
13967 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13969 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
13971 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13973 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
13975 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
13977 * collect2.c (main): Do prelimnary link on AIX if rflag.
13979 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13981 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
13982 __CTOR_LIST__ in opposite order, which is the correct order for sorted
13984 (__do_global_dtors): similarly for __DTOR_LIST__.
13986 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13987 Diego Novillo <dnovillo@cygnus.com>
13989 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
13992 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
13994 * fixincl/*: Merged "no_bogosity" branch
13995 * fixincl/fixlib.h: protect against doubly defining t_bool
13996 * fixincl/server.h: protect against doubly defining t_bool
13998 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
14000 * genoutput.c: Include toplev.h.
14002 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
14004 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
14006 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
14007 * configure: Regenerate.
14009 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14011 * gcse.c (delete_null_pointer_checks): Returns void.
14013 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14015 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
14016 * emit-rtl.c (copy_insn_1): Likewise.
14018 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14020 * config/mips/mips.c (mips_build_va_list): Correct
14021 TREE_CHAIN setting when hard-float.
14022 (mips_va_start): Use corrected setting.
14023 (mips_va_arg): Likewise. Also pass a tree to build of
14024 POSTINCREMENT_EXPR rather than a naked 'int'.
14026 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
14028 * ggc.h (ggc_push_context): Fix comment.
14029 (ggc_pop_context): Likewise.
14030 (mark_string_if_gcable): Likewise.
14031 * ggc-common.c (ggc_mark_rtx_children): Use
14032 ggc_mark_string_if_gcable.
14033 * ggc-page.c (ggc_lookup_page_table): New function.
14034 (ggc_allocated_p): Likewise.
14035 (mark_obj): Fix formatting.
14036 (ggc_mark_string_if_gcable): New function.
14037 * ggc-simple.c (ggc_allocated_strings): New variable.
14038 (ggc_strings_used): Likewise.
14039 (ggc_compare_addresses): New function.
14040 (ggc_pop_context): Pop the `any' memory too.
14041 (ggc_mark_string_if_gcable): New function.
14042 (ggc_collect): Initialize and tear down ggc_allocated_strings.
14044 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
14046 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
14047 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
14048 * rs6000.c (expand_block_move): Match movstrsi_?reg register
14051 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
14053 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
14054 (sched_reg_live_length, sched_reg_basic_block): Delete.
14055 (current_block_num, bb_live_regs, old_live_regs): Delete.
14056 (dead_notes, struct sometimes): Delete.
14057 (sched_note_set, birthing_insn_p): Delete.
14058 (adjust_priority): Gut useless reg lifetime code.
14059 (create_reg_dead_note, attach_deaths): Delete.
14060 (attach_deaths_insn, new_sometimes_live): Delete.
14061 (finish_sometimes_live): Delete.
14062 (find_pre_sched_live, find_post_sched_live): Delete.
14063 (update_reg_usage): Delete.
14064 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
14065 (schedule_insns): Delete reg lifetime code.
14066 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
14067 (unlink_other_notes): Adjust REG_NOTE commentary.
14068 (reemit_notes): Use REG_SAVE_NOTE.
14069 (schedule_block): Likewise.
14070 (schedule_region): Allocate bitmap of blocks in region. Use
14071 count_or_remove_death_notes. Use update_life_info.
14073 * rtl.h (REG_SAVE_NOTE): New.
14074 * rtl.c (reg_note_name): Update.
14076 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
14078 * combine.c (refresh_blocks, need_refresh): New.
14079 (combine_instructions): Allocate refresh_blocks. Invoke
14080 update_life_info if needed.
14081 (distribute_notes): Mark refresh_blocks instead of installing
14083 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
14084 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
14086 * Makefile.in (recog.o): Depend on basic-block.h.
14088 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
14090 * genrecog.c (add_to_sequence): Thinko last change: delete
14091 shadowing allow_const_int variable.
14093 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14095 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
14096 __GNUC__ and __GNUC_MINOR__.
14098 * gansidecl.h: Likewise.
14104 * toplev.h: Likewise.
14106 * tree.c: Likewise.
14108 * tree.h: Likewise.
14110 * varray.c: Likewise.
14112 * varray.h: Likewise.
14114 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14116 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
14117 use one before a jump table.
14119 * rtl.def (ADDRESS): Change documentation to match reality.
14120 * md.texi: Don't document it.
14121 * gmicro.md (load address pattern): Use 'p' constraint, delete use
14124 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
14126 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
14128 * genrecog.c (add_to_sequence): Move allow_const_int test outside
14129 known predicate block; default allow_const_int true.
14130 (debug_decision_list): New.
14132 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
14134 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
14136 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
14138 * gcse.c (gcse_main): Avoid global optimizations if we have a
14139 large number of basic blocks and the ratio of edges to blocks
14141 (delete_null_pointer_checks): Likewise.
14143 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
14145 * c-common.c (check_format_info): Warn if format string isn't a
14148 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14150 * configure.in (arm*-*-*): Don't let autoconf remove brackets
14151 * configure: regenerate
14153 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
14155 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
14156 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
14157 (peepholes): Re-enable.
14159 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
14161 * Makefile.in (flow.o): Depend on TREE_H.
14162 * basic-block.h (REG_SET_EQUAL_P): New.
14163 (XOR_REG_SET): New.
14164 (n_edges): Declare.
14165 (free_regset_vector): Remove declaration.
14166 (flow_delete_insn_chain): Declare.
14167 (enum update_life_extent): New.
14168 (update_life_info, count_or_remove_death_notes): Declare.
14169 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
14170 Verify register live at bb->global_live_at_start before adding USE.
14171 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
14172 (CLEAN_ALLOCA): New.
14174 (PROP_*): New flags.
14175 (find_basic_blocks_1): Use alloc_EXPR_LIST.
14176 (clear_edges): Zero n_edges.
14177 (make_edge): Increment n_edges.
14178 (split_edge): Don't allocate bb->local_set. Increment n_edges.
14179 (flow_delete_insn_chain): Export.
14180 (delete_block): Decrement n_edges.
14181 (merge_blocks_nomove): Likewise.
14182 (life_analysis): Give life_analysis_1 PROP flags.
14183 (verify_wide_reg_1, verify_wide_reg): New.
14184 (verify_local_live_at_start): New.
14185 (update_life_info): Rewrite to call into propogate_block.
14187 (mark_regs_live_at_end): After reload, if epilogue as rtl,
14188 always mark stack pointer. Conditionally mark PIC register.
14189 After reload, mark call-saved registers, return regsiters.
14190 (life_analysis_1): Accept PROP flags not remove_dead_code.
14191 Call mark_regs_live_at_end before zeroing regs_ever_live.
14192 Use calculate_global_regs_live. Copy global_live_at_end before
14193 calling final propagate_block. Zero reg_next_use on exit.
14194 (calculate_global_regs_live): New.
14195 (allocate_bb_life_data): Don't allocate bb->local_set.
14196 (init_regset_vector, free_regset_vector): Remove.
14197 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
14198 Test flags before every operation. Warn if prologue/epilogue insn
14199 would have been deleted.
14200 (mark_set_regs, mark_set_1): Accept and use FLAGS.
14201 Use alloc_EXPR_LIST.
14202 (mark_used_regs): Accept and use FLAGS, not FINAL.
14203 Remove special handling for RETURN.
14204 (try_pre_increment): Use alloc_EXPR_LIST.
14205 (dump_flow_info): Dump n_edges.
14206 (unlink_insn_chain, split_hard_reg_notes): Remove.
14207 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
14208 (find_insn_with_note, new_insn_dead_notes): Remove.
14209 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
14210 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
14211 (replace_insns): Remove.
14212 (count_or_remove_death_notes): New.
14213 (verify_flow_info): Abort on error after all checks.
14214 (remove_edge): Decrement n_edges.
14215 (remove_fake_edges): Tweek format.
14216 * haifa-sched.c (schedule_insns): Use split_all_insns.
14217 * output.h (update_life_info): Remove declaration.
14218 * recog.c (split_all_insns): From the corpse of split_block_insns,
14219 do the whole function block by block. Use update_life_info.
14220 (recog_last_allowed_insn): New.
14221 (recog_next_insn): Mind it.
14222 (peephole2_optimize): Set it. Walk backwards through blocks.
14223 Use update_life_info.
14224 * rtl.h (update_flow_info, replace_insns): Remove declarations.
14225 (split_all_insns): Declare.
14226 * toplev.c (rest_of_compilation): Thread prologue before flow2.
14227 Use split_all_insns.
14229 * i386.md (or -1 peep2s): Disable.
14231 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
14233 * config/mips/mips.md (movstrsi+[123]) : Combine these into
14234 a single pattern. Scrap the 'd' versions as unnecessary.
14236 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
14237 tablejump_mips162,tablejump_internal4): The operands to a
14238 label_ref must be VOIDmode.
14240 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14242 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
14244 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14246 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
14248 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14250 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
14251 cache every function if ggc_p.
14253 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14255 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
14256 instead of copy_rtx. Accept sequences that contain asm statements.
14257 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
14258 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
14259 orig_asm_operands_vector, copy_asm_operands_vector,
14260 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
14262 * rtl.h (copy_insn, copy_insn_1): Declare.
14264 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14266 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
14268 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
14269 arguments to `current_file_function_operand'.
14271 * genrecog.c: Include hard-reg-set.h and resource.h in the
14272 generated output file.
14274 * real.c: Include tm_p.h.
14276 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14278 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
14281 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
14283 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
14284 before the fctiwz insn.
14286 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14287 Mark Mitchell <mark@codesourcery.com>
14289 * tree.c (make_lang_type_fn): New funtion pointer.
14290 (make_lang_type): Call it.
14291 * tree.h (make_lang_type): Declare.
14292 (make_lang_type_fn): Likewise.
14293 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
14295 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
14297 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
14298 make sure that HIGH instructions are copied into BASE_REGS.
14300 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
14302 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
14304 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
14306 * c-decl.c (finish_struct): Use simpler method of
14307 removing elements of a singly-linked list.
14309 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
14311 * alpha.md (peephole2's): Comment out peephole2's that generate
14314 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
14316 * genrecog.c (add_to_sequence): Disable mode check for
14319 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14321 * ggc-simple.c (init_ggc): Set empty_string.
14323 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
14325 * configure.in: Detect mmap. Add --with-gc=foo to select
14326 garbage collector; default to page if mmap available.
14327 * Makefile.in (GGC): Substitute.
14329 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
14331 * c-decl.c (ggc_p): Enable.
14333 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14335 * flow.c (verify_flow_info): Make it extern & unconditionally define.
14337 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
14339 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
14340 string for little-endian-data.
14342 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
14344 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
14345 case somebody tries to compile --enable-checking code with gcc
14348 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
14350 * genrecog.c (add_to_sequence): Verify operand to label_ref is
14353 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
14355 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
14356 * jump.c (jump_optimize_1): Document why.
14358 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14360 * collect2.c (scan_prog_file, scan_libraries): Prototype function
14361 pointers and casts for `int_handler' and `quit_handler'.
14363 * flow.c (verify_flow_info, split_hard_reg_notes,
14364 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
14365 remove_edge, remove_fake_successors): Add static prototypes.
14366 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
14367 (mark_set_1): Initialize variable `regno'.
14368 (unlink_insn_chain): Likewise for variable `curr'.
14369 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
14371 * loop.c (strength_reduce): Initialize variable
14372 `unrolled_insn_copies'.
14373 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
14374 prototypes. Change these functions to take const PTR parameters
14375 to avoid prototype conflict when used as the comparson argument
14377 (check_dbra_loop): Initialize variable `comparison_val'.
14379 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
14380 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
14381 (find_valid_class): Initialize variable `best_class'.
14382 (find_reloads): Call memcpy, not bcopy.
14384 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
14385 (hard_reg_use_compare): Don't needlessly cast away const.
14386 (reload_reg_class_lower): Likewise.
14387 (choose_reload_regs): Initialize variable `regno'.
14389 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
14391 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
14393 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
14395 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
14396 ({,d}discard): Add forward declarations. Declare parameter as
14398 (main_without_main): Explicitly declare return type to be int.
14399 (memcpy): Properly declare.
14401 * libgcc2.c (toplevel): If inhibit_libc is defined and not
14402 building the trampoline support, declare malloc, free, and
14404 (__clear_cache): Mark arguments as potentially unused.
14406 * frame.c (toplevel): If inhibit_libc is defined, declare
14409 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
14411 * flow.c (make_edge): Accept an optional 2D bitmap in which
14412 to cache edge existence. Update all callers.
14413 (make_label_edge, make_eh_edge): Pass through the edge cache.
14414 (make_edges): Provide the cache.
14416 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14418 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
14420 (local_mbtowc): Change the type of variable `i' from int to size_t.
14422 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
14423 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
14425 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
14427 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
14428 after other includes that define the appropriate types. Include
14429 tm_p.h for getting user prototypes.
14430 * ggc-callbacks.c (toplevel): Ditto.
14431 * ggc-none.c (toplevel): Ditto.
14432 * gcc-page.c (toplevel): Ditto.
14433 * ggc-simple.c (toplevel): Ditto.
14435 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
14436 Jonathan Larmour <jlarmour@cygnus.co.uk>
14438 * config/mips/mips.c (mips_move_2words): Split doubles if
14439 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
14441 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
14443 * genrecog.c (struct decision_test): New.
14444 (struct decision): Remove test-related members, sort the rest by size.
14445 (IS_SPLIT): Simplify.
14446 (new_decision, new_decision_test): New.
14447 (add_to_sequence): Use them. No special handling for args of
14449 (maybe_both_true): Renamed from not_both_true; return sense changed.
14450 (maybe_both_true_1, maybe_both_true_2): New. Broken out
14451 of maybe_both_true and adjusted for decision_test.
14452 (position_merit): Remove.
14453 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
14454 (merge_accept_insn): New, broken out of merge_trees.
14455 (merge_trees): Use them. No special case for c_test; no node
14456 splitting; use test type instead of position_merit.
14457 (factor_tests): New.
14458 (simplify_tests): New.
14459 (break_out_subroutines): Don't write code now.
14460 (find_afterward): New.
14461 (write_afterward, write_switch, write_cond): New.
14462 (write_action, is_unconditional): New.
14463 (write_node): New. Use them.
14464 (write_tree_1): Rewrite. Use the new functions above.
14465 (write_tree): Remove afterward processing.
14466 (write_subroutine): Simplify function variant emission.
14467 (write_subroutines): New.
14468 (same_codes, clear_codes): Remove.
14469 (same_modes, clear_modes): Remove.
14470 (write_header): New, broken out of main.
14471 (make_insn_sequence): Use new_decision and new_decision_test.
14472 (process_tree): New, broken out of main.
14473 (main): Adjust for merge_trees interface change.
14474 Don't #define operands in the output file.
14475 (record_insn_name): New, broken out of make_insn_sequence.
14476 (debug_decision_2, debug_decision_1, debug_decision_0): New.
14477 (debug_decision): New.
14479 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
14481 * resource.c (find_free_register): Mark class_str argument const.
14482 * resource.h: Update prototype to match.
14484 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
14485 * i386.md: Give all anonymous insns names.
14487 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
14489 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
14492 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
14494 * toplev.c (dbr_sched_time): Unconditional.
14495 (peephole2_time): New.
14496 (compile_file): Add pass numbers to all of the dump file suffixes.
14497 Dump peephole2_time. Don't dump times for non-applicable passes.
14498 (rest_of_compilation): Add pass numbers to dump file suffixes.
14499 Conditionalize calls to the scheduler.
14500 * invoke.texi: Update.
14502 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
14504 * flow.c (make_edges): Fix insn iteration.
14505 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
14506 (find_basic_blocks_1): Fix spelling mistake.
14508 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
14510 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
14511 always have side-effects. Use memset not bzero.
14512 (make_node): Likewise.
14514 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
14516 * stmt.c (expand_anon_union_decl): When any of the elements of the
14517 union is addressable, so is the entire union.
14519 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
14521 * sbitmap.c (sbitmap_ones): Don't set too many bits.
14523 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
14524 * bitmap.c (bitmap_operation): Return true iff TO changed.
14525 (bitmap_equal_p): New.
14526 (bitmap_bit_p): Tidy arithmetic.
14527 (debug_bitmap_file): Likewise.
14529 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
14531 * toplev.c (rest_of_compilation): Turn on cse_not_expected
14532 before cse2 instead of after.
14534 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
14536 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
14539 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14541 * cppinit.c (is_idchar initializer): Loosen tests to accept
14544 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
14546 * mips.md: Define conditional move patterns for floating point
14547 operands and DI mode conditions.
14549 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
14551 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
14552 always have side-effects.
14554 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
14556 * mn10200.c (asm_file_start): Fix typo.
14558 * cppinit.c (is_idchar initializer): Tighten tests for when
14559 to put the table into initialized memory.
14561 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
14562 not an array of rtunion.
14563 * gcc-page.c (ggc_alloc_rtvec): Similarly.
14564 * gcc-simple (ggc_free_rtvec): Similarly.
14566 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
14569 * mbchar.h: Add missing #endif.
14571 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
14572 (FPBIT, DPBIT): Define.
14574 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14576 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
14578 * profile.c (instrument_arcs, output_gcov_string,
14579 tablejump_entry_p): Add static prototypes.
14580 (output_gcov_string): Constify a char*.
14582 * regmove.c (replacement_quality, fixup_match_2): Add static
14585 * resource.h (reg_dead_p): Add extern prototype.
14587 * rtl.c (trim_filename): Add static prototype.
14589 * scan-decls.c (skip_to_closing_brace): Likewise.
14591 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
14592 (expand_end_case): Initialize variable `range'.
14593 (emit_case_nodes): Remove unused prototype `rtx_fn'.
14595 * varasm.c (asm_emit_uninitialised): Add static prototype.
14596 (asm_emit_uninitialised, assemble_variable): Mark parameter with
14599 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14601 * cpplib.c (if_directive_nameo): Add static prototype.
14603 * cse.c (cse_insn): Remove unused variable `p'.
14605 * except.c (create_rethrow_ref, push_entry,
14606 receive_exception_label, new_eh_region_entry, find_func_region,
14607 clear_function_eh_region, process_nestinfo): Add static prototypes.
14608 (get_reg_for_handler): Hide definition.
14609 (process_nestinfo): Initialize variable `extra_handlers'.
14611 * expr.h (expand_builtin_longjmp): Add extern prototype.
14613 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
14615 * function.c (prepare_function_start): Likewise.
14616 (pop_function_context_from): Mark parameter `context' with
14618 (push_temp_slots_for_block, flush_addressof): Hide definition.
14620 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
14621 solve_program_flow_graph, calculate_branch_probs,
14622 function_summary, main, fancy_abort): Add prototypes.
14624 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
14625 (add_hash): Constify a char*.
14627 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
14628 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
14629 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
14631 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
14633 * lists.c (free_list, zap_lists): Likewise.
14635 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14637 * alias.c (nonlocal_reference_p): Add static prototype.
14639 * bitmap.c (bitmap_element_allocate): Prototype args in function
14642 * builtins.c (stabilize_va_list): Add static prototype.
14643 (expand_builtin_va_arg): Constify a char*.
14645 * c-lex.c (getch, put_back, extend_token_buffer_to,
14646 read_line_number, token_getch, token_put_back): Add static
14649 * c-parse.gperf (hash, is_reserved_word): Likewise.
14651 * cccp.c (is_dir_separator): Likewise.
14653 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14655 * graph.h: New file to prototype functions exported by graph.c.
14657 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
14659 * graph.c: Include graph.h.
14661 * toplev.c: Likewise. Remove redundant prototypes.
14663 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
14665 * invoke.texi: Removed duplicated description for -Q.
14667 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
14669 * extend.texi: Grammar fix in __extension__ text.
14671 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
14673 * md.texi (define_peephole2): New section.
14675 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
14677 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
14678 (mov $-1 to or peepholer): Enable for pentium when optimizing for
14681 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
14683 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
14685 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
14687 * i386.md (ffs expander): Emit Pentium friendly code for
14690 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
14692 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
14694 (build1): Likewise.
14696 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14698 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
14700 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
14702 * config/m68k/m68k.c (use_return_insn): Return false if the pic
14703 register is in use.
14705 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14707 * md.texi (No Constraints): Delete section.
14708 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
14709 * final.c (final_scan_insn): We always have register constraints.
14710 * genattrtab.c: Don't include "insn-config.h".
14711 (write_attr_case): We always have register constraints.
14712 * genconfig.c (register_constraint_flag): Delete.
14713 (walk_insn_part): Don't check whether we have register constraints.
14714 (main): Don't write out "#define REGISTER_CONSTRAINTS".
14715 * genoutput.c (have_constraints): Delete.
14716 (main): Don't set it.
14717 (output_operand_data): We always have constraints.
14718 (scan_operands): Likewise.
14719 (compare_operands): Likewise.
14720 * local-alloc.c (block_alloc): We always have constraints.
14721 (requires_inout): Always compile this function.
14722 * recog.c (extract_insn): We always have constraints.
14723 (constrain_operands, reg_fits_class_p): Always compile these
14725 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
14727 (struct insn_operand_data): Likewise.
14728 * regclass.c (regclass): We always have constraints.
14729 (record_reg_classes, copy_cost, record_address_regs,
14730 auto_inc_dec_reg_p): Always compile these functions.
14731 * regmove.c (regmove_optimize): We always have constraints.
14732 * reload.c (find_reloads): Likewise.
14733 * reload1.c (reload): Likewise.
14734 (reload_cse_simplify_operands): Likewise.
14735 * i860.c (output_delay_insn): Likewise.
14737 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
14739 * iris6.h (BUILD_VA_LIST_TYPE): Define.
14741 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14743 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
14744 for the va_list record.
14746 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
14748 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
14751 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
14753 * alias.c: Include insn-flags.h.
14754 * Makefile.in (alias.o): Update.
14756 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
14758 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
14759 to LTU and GEU. Handle more cases using sbb.
14761 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
14763 * i386.md (truncatexfdf splitters): Do not use subreg.
14764 (fop XFmode patterns): Fix mode in operand testing.
14766 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
14768 * jump.c (jump_optimize_1): Amend last change to test only the
14769 form of the operand, not the insn.
14771 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
14772 not register_operand to determine when B may need preloading.
14774 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
14776 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
14777 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
14778 (call-value patterns): Move to end of file.
14779 (*): Remove mode from label_ref in (pc) context.
14780 (movstrqi): Use memory not general_operand for BLKmode operands.
14781 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
14782 to register_operand operands.
14783 (peep2 patterns): Convert from commented-out peephole patterns.
14785 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14787 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
14788 to BUILT_IN_INIT_DWARF_REG_SIZES.
14789 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
14790 Renamed from BUILT_IN_DWARF_REG_SIZE; call
14791 expand_builtin_init_dwarf_reg_sizes.
14792 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
14793 with __builtin_init_dwarf_reg_size_table.
14794 * dwarf2out.c (struct reg_size_range): Delete.
14795 (expand_builtin_init_dwarf_reg_sizes): New function.
14796 (expand_builtin_dwarf_reg_size): Delete.
14797 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
14798 (expand_builtin_dwarf_reg_size): Don't declare.
14799 * libgcc2.c (dwarf_reg_size_table_initialized): New.
14800 (dwarf_reg_size_table): New.
14801 (init_reg_size_table): New function.
14802 (copy_reg): Use dwarf_reg_size_table.
14803 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
14806 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
14808 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
14809 Correctly build argument list to constructor and destructor functions.
14811 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
14813 * c-tree.h (warn_float_equal): Declare.
14814 * c-decl.c (warn_float_equal): Define.
14815 (c_decode_option): Recognize -W[no-]float-equal.
14816 * c-typeck.c (build_binary_op): Conditionally warn
14817 about equality tests of floating point types.
14818 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
14819 * invoke.texi: Add docs for -Wfloat-equal warning.
14821 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
14823 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
14824 generating RTL directly.
14825 * mips.h (INIT_TARGET_OPTABS): Likewise.
14826 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
14828 * expr.h (init_mov_optab): Delete declaration
14830 * h8300.c (WORD_REG_USED): Update to avoid useless register
14831 saves in interrupt functions and functions which never return.
14833 * cse.c (struct set): Delete inner_dest_loc field.
14834 (cse_insn): Remove assignments to inner_dest_loc field.
14836 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
14838 * ggc-page.c: Don't include <unistd.h> etc taken care of
14839 by "system.h". Include <sys/mman.h> afterward.
14841 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
14843 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
14846 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
14848 * xcoffout.c (xcoffout_declare_function): Add documentation.
14849 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
14850 TARGET_64BIT. Compare constant to -1, not bit pattern.
14851 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
14852 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
14855 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
14857 * dwarf2out.c (add_abstract_origin_attribute): Abort if
14858 origin_die is NULL.
14859 (gen_inlined_enumeration_type_die): Do not abort if the type has
14860 not been writeen out.
14861 (gen_inlined_structure_type_die): Do not abort if the type has
14862 not been writeen out.
14863 (gen_inlined_union_type_die): Do not abort if the type has
14864 not been writeen out.
14865 (gen_tagged_type_instantiation_die): Do not abort if the type
14866 has not been written out.
14868 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14870 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
14872 * reg-stack.c (straighten_stack): Copy hard reg set with
14875 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
14877 * builtins.c (stabilize_va_list): Stabilize array type va_list
14878 to a pointer type, not the base record type.
14879 (expand_builtin_va_copy): Dereference the pointers explicitly;
14880 use the correct size for the copy.
14882 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
14883 (rs6000_va_arg): Likewise.
14885 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
14887 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
14889 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
14891 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
14893 (DECL_BUILT_IN_CLASS): Adjust accordingly.
14895 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
14897 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
14898 (init_ggc): Use it instead of a constant.
14899 (ggc_collect): Bound allocated_last_gc by it.
14901 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
14903 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
14906 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
14908 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
14909 (mips*-*-openbsd*): Let big endian configuration be a fragment.
14910 * configure: Regen.
14911 * config/mips/openbsd.h: New, OpenBSD little endian target.
14912 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
14913 * config/mips/xm-openbsd.h: New, OpenBSD host.
14915 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
14917 * config/m68k/m68k.c (output_function_prologue,
14918 output_function_epilogue): Use
14919 current_function_uses_pic_offset_table instead of regs_ever_live
14920 to decide whether to save/restore pic register.
14921 (legitimize_pic_address): Don't modify regs_ever_live any more.
14923 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
14925 * function.h (struct function): Add x_dont_save_pending_sizes_p.
14926 * stor-layout.c (variable_size): Don't add sizes to the pending
14927 sizes list if x_dont_save_pending_sizes_p is set.
14929 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
14931 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
14932 for symbolic_operand().
14933 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
14935 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14937 * combine.c (gen_rtx_combine): Add missing call to va_end().
14939 * final.c (asm_fprintf): Likewise.
14941 * genattrtab.c (attr_rtx): Likewise.
14943 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
14945 * cse.c: Update comments.
14946 (cse_insn): When converting a conditional/computed jump into
14947 an unconditional jump, always make sure a BARRIER immediately
14948 follows the converted jump. Do not delete unreachable code.
14949 (cse_basic_block): Do not delete unreachable code.
14950 * toplev.c (rest_of_compilation): Move call to
14951 delete_trivially_dead_insns after the conditional call to
14954 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14956 * collect2.c (make_temp_file): Don't prototype.
14958 * gcc.c (make_temp_file): Likewise.
14960 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
14962 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
14964 * varasm.c (asm_emit_uninitialised): New function: Generate
14965 the assembler statements necessary to declare an uninitialised
14967 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
14969 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
14970 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
14972 (assemble_variable): Use asm_emit_uninitialised to emit an
14973 uninitialised variable.
14975 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
14977 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
14978 constant on a 64 bit host. Patch supplied by Geoffrey Keating
14979 <geoffk@cygnus.com>.
14981 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14983 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
14984 * c-common.h (builtin_function): Don't declare.
14986 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
14988 (pushdecl): Likewise.
14989 (finish_decl): Likewise.
14990 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
14991 int. All callers changed.
14992 Set the builtin's DECL_BUILT_IN_CLASS.
14993 * tree.h (enum built_in_class): New.
14994 (enum built_in_function): Delete NOT_BUILT_IN.
14995 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
14997 (DECL_SET_FUNCTION_CODE): Likewise.
14998 (DECL_BUILT_IN_CLASS): New macro.
14999 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
15000 (struct tree_decl): Split builtin function code field into a
15002 (builtin_function): Declare.
15004 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
15006 * optabs.c (init_traps): Fix typo in last change.
15008 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
15010 * toplev.c (rest_of_decl_compilation): Update comment.
15012 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15014 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
15015 in .sbss if appropriate.
15016 (EXTRA_SECTION_FUNCTIONS): Add sbss.
15017 (SBSS_SECTION_ASM_OP): New macro.
15018 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
15019 (EXTRA_SECTIONS): Add in_sbss.
15020 * config/mips/mips.h: Prototype sbss_section.
15022 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
15024 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
15027 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
15029 * optabs.c (init_traps): Register trap_rtx as a GC root.
15031 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15033 * config/mips/mips.c (function_arg_pass_by_reference): Define
15034 unconditionally, since it's called unconditionally.
15036 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15038 * toplev.c (documented_lang_options): Add -fshort-wchar.
15039 * c-decl.c (c_decode_option): Likewise.
15040 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
15042 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
15043 * gcc.c (default_compilers): If -fshort-wchar,
15044 override __WCHAR_TYPE__.
15045 * tm.texi (C Dialect Options): Add -fshort-wchar.
15047 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
15048 symbol for a variable.
15050 * cpplib.h (CPP_PREPROCESSED): New macro.
15051 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
15052 we're seeing this input for a second time.
15054 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
15056 * emit-rtl.c (init_emit_once): Initialize modes first.
15058 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
15060 * config/i386/i386.c (pic_label_name): Change to char pointer.
15061 (global_offset_table): New variable.
15062 (load_pic_register): Fill global_offset_table if it hasn't
15063 already been done. Allocate pic_label_name dynamically.
15064 * ggc.h (empty_string): New variable.
15065 * ggc-simple.c (empty_string): Likewise.
15066 (init_ggc): Allocate empty_string and add as root.
15067 * stmt.c (digit_strings): New variable.
15068 (init_stmt): Add last_block_end_note as root. Allocate and
15069 initialize digit_strings.
15070 (expand_asm_operands): Use empty_string instead of string
15071 constant. Use digit_strings instead of string constants.
15072 * profile.c (init_arc_profiler): Allocate string with
15073 ggc_alloc_string instead of xmalloc.
15074 (output_func_start_profiler): Likewise.
15075 * c-typeck.c (digest_init): Check if init is error_mark_node.
15077 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
15078 Richard Henderson <rth@cygnus.com>
15080 * ggc-page.c: New file.
15081 * Makefile.in (ggc-page.o): New.
15083 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
15085 * invoke.texi: Document -fdelete-null-pointer-checks
15086 * toplev.c (flag_delete_null_pointer_checks): New.
15087 (f_options): Add entry for -fdelete-null-pointer-checks.
15088 (rest_of_compilation): Conditionalize null pointer check
15089 elimination on flag_delete_null_pointer_checks.
15090 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
15092 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
15094 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
15095 copyright notice and special exception to GPL.
15097 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15099 * abi64.h (mips_function_value): Add prototype arguments.
15101 * mips-protos.h: New file with mips prototypes.
15103 * mips.c: Include "tm_p.h".
15104 (mktemp, lookup_name): Add prototype arguments.
15105 (extern_list, string_constant, mips_fill_delay_slot,
15106 mips_output_external, mips_output_external_libcall,
15107 mips_output_filename, mips_declare_object, function_prologue,
15108 mips_expand_prologue, function_epilogue, mips16_constant,
15109 build_mips16_function_stub, mips_output_conditional_branch):
15111 (mips_va_start): Remove unused variable `u'.
15112 (mips_va_arg): Cast value to unsigned when comparing against one.
15114 (save_restore_insns, mips_expand_prologue): Add missing arg in
15115 call to `large_int'.
15117 * mips.h: Move prototypes to mips-protos.h.
15118 (data_section, memory_address_p, rdata_section,
15119 readonly_data_section, simple_epilogue_p, text_section): Delete
15120 prototypes delcared elsewhere.
15121 (mips_epilogue_delay_slots, print_options): Delete unused decls.
15123 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
15125 * mips.md: Delete extra args in call to `mips_move_2words'.
15127 * xm-iris6.h (alloca): Add prototype argument.
15129 * genpeep.c: Include "tm_p.h" in generated output file.
15131 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15133 * basic-block.h (find_edge_index): Change parameters.
15134 * flow.c (verify_edge_list): Pass basic_block parameters to
15135 find_edge_index instead of integers.
15137 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
15139 * combine.c (simplify_comparison): Use an unsigned shift to adjust
15142 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
15144 * gcc.1: Fix a formatting error.
15146 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15148 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
15149 i786, mn10200, mn10300, pdp11, v850.
15151 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
15153 * libgcc2.c (num_digits): Add prototype with
15154 __attribute__((const)).
15155 (__terminate): Add prototype.
15157 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
15159 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
15161 * alpha/alpha.c (print_operand): Fix type of `code'.
15162 (alpha_output_filename): Constify.
15163 * alpha/alpha.h: Move all function declarations ...
15164 * alpha/alpha-protos.h: ... here. New file.
15165 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
15166 (SECTION_FUNCTION_TEMPLATE): Likewise.
15168 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15170 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
15171 * expr.c (expand_expr): Likewise.
15172 (do_jump): Likewise.
15173 (do_store_flag): Pass ccp_store_flag to can_compare_p.
15174 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
15176 (enum can_compare_purpose): New.
15177 (can_compare_p): Adjust prototype.
15178 (prepare_cmp_insn, prepare_operand): Declare.
15179 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
15180 * optabs.c (cmp_available_p): Deleted.
15181 (expand_abs): Pass ccp_jump to can_compare_p.
15182 (can_compare_p): New arg PURPOSE. Check for combined optabs.
15183 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
15184 Call can_compare_p rather than cmp_available_p.
15185 (prepare_operand): No longer static.
15186 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
15187 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
15188 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
15189 sequence to use emit_cmp_and_jump_insns.
15190 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
15192 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
15194 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
15195 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
15196 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
15197 (plus (reg) (const_int 0))
15198 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
15200 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
15202 * rs6000.c (expand_block_move): DImode loads and stores require
15203 word-aligned displacements. Increment address registers with
15204 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
15206 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
15208 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
15209 is no name for the base type, rather than segfault. If we are
15210 writing out a complex integer type, use DW_ATE_lo_user.
15212 * expr.c (emit_move_insn_1): If we are copying a complex that fits
15213 in one word or less (complex char, complex short, or on 64 bit
15214 systems complex float) to/from a hard register, copy it through
15215 memory instead of dying in gen_{real,imag}part. If we have a
15216 short complex type, prevent inlining since it allocates stack
15219 * tree.c (build_complex_type): If we are writing dwarf2 output,
15220 generate a name for complex integer types.
15222 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15224 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
15225 * flow.c (remove_edge): Remove extra whitespace.
15226 (remove_fake_edges): Fix comment.
15227 (add_noreturn_fake_exit_edges): Use the correct name.
15229 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
15231 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
15232 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
15233 (clean): Depend on INTL_CLEAN.
15234 (maintainer-clean): Adjust.
15236 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15238 * configure.in (AC_PREREQ): Bump to 2.13.
15239 (AC_C_STRINGIZE): Call this instead of using a custom macro.
15241 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
15243 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
15245 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
15247 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
15248 (HAVE_STRINGIZE): Define.
15250 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
15252 * c-parse.in: save and restore warn_pointer_arith on __extension__
15253 along with pedantic.
15254 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
15255 Set the type of extension to itype rather than $<itype>1 kludge.
15256 * extend.texi (Alternate Keywords): Adjust documentation.
15257 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
15259 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
15261 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
15262 most assembler templates.
15264 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
15265 FP loads and stores.
15266 (following_call): Always return zero for the PA8000.
15267 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
15268 FP loads and stores.
15269 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
15271 * pa.h (BRANCH_COST): Define.
15273 * pa.md (return, return_internal): Use bve for PA2.0.
15275 * pa.md (fused multiply): Add variants which reduce height for the
15276 fused multiply, but which still generate 2 insns.
15277 (fnegabs): Similarly.
15279 * pa.md (subsi3): Turn into an expander. Create two anonymous
15280 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
15281 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
15283 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
15285 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
15287 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
15288 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
15290 * regclass.c (init_regs): Add "top_of_stack" as a garbage
15293 * flow.c (record_active_eh_regions): Terminate loop after finding
15294 the last insn in the last basic block.
15296 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15298 * config/c4x/c4x.md: Delete parallel instruction peepholes.
15300 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15302 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
15304 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15306 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
15307 splitting to not use output template.
15309 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15311 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
15312 * config/c4x/c4x.c (c4x_va_start): New function.
15314 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
15316 * genrecog.c (not_both_true): Handle correctly cases when called for
15317 tests with different positions in the insn.
15319 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15321 * machmode.h (HOST_PTR_PRINTF): Move from here ...
15323 * system.h (HOST_PTR_PRINTF): ... to here.
15325 * mips-tfile.c: Don't include machmode.h.
15327 * Makefile.in (MACHMODE_H): New variable. Update to use it.
15328 (mips-tfile.o): Don't depend on machmode.h.
15330 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15332 * haifa-sched.c (sched_analyze): Rename local variable `region' to
15333 avoid conflicts with typedef struct `region' at the top level scope.
15335 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
15337 * basic-block.h (basic_block): Add eh_beg, eh_end.
15338 * flow.c (entry_exit_blocks): Update.
15339 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
15340 Call new functions.
15341 (find_basic_blocks_1): Don't record eh_list at each bb. Use
15342 lists.c functions to allocate insn lists.
15343 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
15345 (make_eh_edge): ... here. New.
15346 (move_stray_eh_region_notes): New.
15347 (record_active_eh_regions): New.
15348 (delete_unreachable_blocks): Split out block merging ...
15349 (try_merge_blocks): ... here. New.
15350 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
15351 Dump debugging data.
15352 (merge_blocks_move_successor_nojumps): Likewise.
15353 (merge_blocks): Use eh_beg+eh_end to validate block movement.
15355 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15357 * extend.texi (Bound member functions): Document unbound pmf
15360 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15362 * flow.c (split_edge): Handle insertion on a fallthrough edge which
15363 has the EXIT_BLOCK as a dest.
15365 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15367 * flow.c (remove_edge): New function to remove an edge from the
15369 (remove_fake_successors): New function to remove fake successor edges.
15370 (remove_fake_edges): New function to remove all fake edges from the
15372 (add_fake_exit_edges): New function to add fake edges from all blocks
15373 with no successors to the exit block.
15374 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
15375 prototypes for new functions.
15377 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15379 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
15380 Use Pmode to determine whether to output .dword or .word.
15382 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
15384 * tree.c (built_in_filename): New variable.
15385 (BUILT_IN_FILENAME): New macro.
15386 (init_tree_codes): Allocate built_in_filename.
15387 (make_node): Use built_in_filename instead of string constant.
15389 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
15391 * configure.in: Add fr30 target.
15392 * configure: Regenerate.
15393 * config/fr30: New directory.
15394 * config/fr30/crti.asm: New file.
15395 * config/fr30/fr30.c: New file.
15396 * config/fr30/crtn.asm: New file.
15397 * config/fr30/fr30.h: New file.
15398 * config/fr30/fr30.md: New file.
15399 * config/fr30/lib1funcs.asm: New file.
15400 * config/fr30/t-fr30: New file.
15401 * config/fr30/xm-fr30.h: New file.
15403 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
15405 * flow.c (merge_blocks_move_successor_nojumps): Delete the
15406 BARRIER at the end of the successor, not the BARRIER before
15409 * pa.c (pa_add_gc_roots): Fix thinko in last change.
15411 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
15413 * stmt.c (any_pending_cleanups): Don't crash when
15414 current_function->stmt is unset.
15416 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15418 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
15419 other initializations that may use it for relative offsets.
15421 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15423 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
15424 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
15425 * config/i386/sol2dbg.h: Removed.
15426 * config/i386/sol2gas.h: New file, to enable gas work-around.
15427 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
15428 Don't use sol2dbg.h.
15429 * configure: Rebuilt.
15431 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
15433 * invoke.texi (-fthis-is-variable): Remove documentation.
15435 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
15437 * basic-block.h (compute_bb_for_insn): Declare.
15438 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
15439 to use; set size of basic_block_for_insn directly.
15440 (find_basic_blocks): Update.
15442 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15444 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
15446 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15448 * crtstuff.c (ON_EXIT): Delete empty macro definition.
15449 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
15451 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
15453 * c-decl.c (c_decode_option): Extend comment.
15455 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
15457 * toplev.c (progname): Make 'const char *'
15458 (flag_print_mem): Move out of main.
15459 (version_flag): Move out of main.
15460 (filename): Move out of main.
15461 (debug_args): Remove g prefix from options.
15462 (documented_lang_options): Remove cpplib specific options.
15463 (display_help): Add g prefix to debug options.
15464 (check_lang_option): Delete this function.
15465 (decode_d_option): New function: Decode -d... option.
15466 (decode_f_option): New function: Decode -f... option.
15467 (decode_W_option): New function: Decode -W... option.
15468 (decode_g_option): New function: Decode -g... option.
15469 (independent_decode_option): New function: Decode a language
15470 independent command line option.
15471 (main): Invoke lang_decode_option and then
15472 independent_decode_option on each command line option in
15475 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
15477 Revert this change. Gavin's patch to operand_equal_p is a better fix.
15478 * fold-const.c (fold_range_test): Do not try to fold the range
15479 test if the rhs or lhs has side effects.
15481 * basic-block.h (compute_flow_dominators): Declare.
15483 * gcse.c (alloc_code_hoist_mem): New function.
15484 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
15485 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
15486 (hoist_code, one_code_hoisting_pass): Likewise.
15487 (gcse_main): If optimizing for size, then hoist expressions
15488 computed in multiple dominated basic blocks.
15490 * gcse.c (invalid_nonnull_info): New function.
15491 (delete_null_pointer_checks): Likewise.
15492 * rtl.h (delete_null_pointer_checks): Declare.
15493 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
15495 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
15496 (merge-blocks_move_successor_nojumps): Likewise.
15497 (merge_blocks): Allow merging of some blocks, even if it requires
15498 physical movement of the blocks, but not if it requires new jumps.
15500 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
15501 Callers and prototype changed.
15502 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
15504 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15506 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
15507 -YP when both -p and -pg are present. From i386/sol2.h.
15509 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15511 * Makefile.in (distclean): Delete tm_p.h.
15512 * configure.in: Create a new file, "tm_p.h", from a list in
15513 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
15514 "i386/i386-protos.h".
15516 * alias.c: Include "tm_p.h".
15517 * c-typeck.c: Likewise.
15518 * calls.c: Likewise.
15520 * emit-rtl.c: Likewise.
15521 * explow.c: Likewise.
15522 * expmed.c: Likewise.
15523 * expr.c: Likewise.
15524 * final.c: Likewise.
15525 * flow.c: Likewise.
15526 * fold-const.c: Likewise.
15527 * function.c: Likewise.
15528 * gcse.c: Likewise.
15529 * global.c: Likewise.
15530 * haifa-sched.c: Likewise.
15531 * integrate.c: Likewise.
15532 * jump.c: Likewise.
15533 * local-alloc.c: Likewise.
15534 * loop.c: Likewise.
15535 * optabs.c: Likewise.
15536 * recog.c: Likewise.
15537 * reg-stack.c: Likewise.
15538 * regclass.c: Likewise.
15539 * regmove.c: Likewise.
15540 * reload.c: Likewise.
15541 * reload1.c: Likewise.
15542 * reorg.c: Likewise.
15543 * resource.c: Likewise.
15544 * stmt.c: Likewise.
15545 * stor-layout.c: Likewise.
15546 * toplev.c: Likewise.
15547 * tree.c: Likewise.
15548 * unroll.c: Likewise.
15549 * genattrtab.c (main): Make generated file include "tm_p.h".
15550 * genemit.c (main): Likewise.
15551 * genoutput.c (main): Likewise.
15552 * genrecog.c (main): Likewise.
15554 * i386.h: Delete all prototypes.
15555 * i386.c: Include "tm_p.h".
15556 (ix86_attr_length_default): Call constant_call_address_operand
15557 with correct number of arguments.
15558 * i386-protos.h: New file.
15559 * i386.md (unnamed patterns): Call constant_call_address_operand
15560 with correct number of arguments.
15561 (exception_receiver): Call load_pic_register with correct number
15564 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
15566 * c-pragma.c (mark_align_stack): Dereference the void* properly.
15568 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
15570 * rtl.h (insns_safe_to_move_p): New function.
15571 * loop.c (find_and_verify_loops): Use it.
15572 * rtlanal.c (insns_safe_to_move_p): Define it.
15574 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
15576 * c-pragma.c: Include ggc.h.
15577 * Makefile.in (c-pragma.o): Update.
15579 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15581 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
15582 (LIB_SPEC): Likewise.
15583 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
15584 Reindent -YP/-p/-pg.
15585 Copied from config/sparc/sol2.h.
15587 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
15589 * c-pragma.c (mark_align_stack): New.
15590 (init_pragma): New.
15591 * c-pragma.h (init_pragma): Declare it.
15592 * c-lex.c (init_parse): Call it.
15594 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15596 * configure.in: Pick up thread library on Solaris/x86 just
15597 like on Solaris/sparc.
15598 * configure: Rebuilt.
15600 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
15602 * rtl.h (global_rtx_index): New enum.
15603 (global_rtl): Change to array of rtx.
15604 (pc_rtx, cc0_rtx): Redefine accordingly.
15605 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
15606 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
15607 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
15608 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
15609 (const_int_rtx): Change to array of rtx.
15610 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
15612 * emit-rtl.c (global_rtl): Change to array of rtx.
15613 (const_int_rtx): Change to aray of rtx.
15614 (gen_rtx_CONST_INT): Redefine accordingly.
15615 (init_emit_once): Allocate and initialize global_rtl. Likewise
15616 for const_int_rtx. Add both as GC roots.
15617 * genattrtab.c (global_rtl): Update declaration.
15619 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
15621 * Makefile (USER_H): Add iso646.h back.
15623 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
15625 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
15626 zapping the LOG_LINKS of sched_before_next_call.
15628 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
15629 * pa.c (insn_refs_are_delayed): Renamed from
15630 insn_sets_and_refs_are_delayed.
15632 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
15634 * functiion.h (struct function): Add x_whole_function_mode_p.
15635 (retrofit_block): Declare.
15636 * function.c (retrofit_block): New function.
15637 (identify_blocks): Add assertions. Allow an incomplete set of
15638 block notes if we're still generating code for the function.
15639 * integrate.c: Include loop.h.
15640 (expand_inline_function): Call find_loop_tree_blocks to map block
15641 notes to blocks when in whole-function mode. Use retrofit_block
15642 to insert new BLOCKs for the inlined function, rather than
15644 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
15645 * Makefile.in (integrate.o): Depend on loop.h.
15647 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
15649 * tree.h (warn_about_unused_variables): Declare.
15650 * stmt.c (warn_about_unused_variables): New function, split out
15652 (expand_end_bindings): Here.
15654 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
15656 * stmt.c (preserve_subexpressions_p): Don't crash when
15657 current_function->stmt is unset.
15659 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
15661 * stmt.c (expand_start_bindings): Allow callers to pass a flag
15662 indicating that no NOTE_INSN_BLOCK_BEG note is required.
15663 (expand_start_target_temps): Use it.
15664 * except.c (expand_eh_region_start_for_decl): Likewise.
15665 * expr.c (expand_expr): Likewise.
15667 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
15669 * fold-const.c (operand_equal_p): Pay attention to side effects.
15671 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15673 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
15674 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
15676 * tlink.c (scan_linker_output): Look for keywords before accepting
15677 a mangled name in quotes.
15679 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
15681 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
15682 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
15684 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
15686 * alpha.md: Revert Thu Nov 26 change that came in through the
15687 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
15688 Avoid earlyclobber when possible.
15690 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15692 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
15694 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
15695 Define HAVE_ON_EXIT.
15697 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15699 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
15700 CTYPE_CONV in all ctype macros.
15702 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
15705 * cexp.y (initialize_random_junk): Likewise.
15707 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
15709 * i370.c (handle_pragma): Likewise.
15711 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
15713 * v850.c (override_options): Likewise.
15715 * doprint.c (_doprnt): Likewise.
15717 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
15720 * fixinc/server.c (load_data): Likewise.
15722 * fold-const.c (real_hex_to_f): Likewise.
15724 * genattr.c (write_upcase, gen_attr): Likewise.
15726 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
15727 write_upcase): Likewise.
15729 * genemit.c (print_code): Likewise.
15731 * genopinit.c (gen_insn): Likewise.
15733 * genpeep.c (print_code): Likewise.
15735 * genrecog.c (print_code): Likewise.
15737 * optabs.c (init_libfuncs): Likewise.
15739 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
15741 * haifa-sched.c (sched_analyze): Keep the list of notes organized
15743 (reemit_notes): Likewise.
15745 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
15747 * ggc.h (ggc_root): Move to ggc-common.c.
15749 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
15750 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
15751 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
15752 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
15753 * ggc-common.c (ggc_root): Move from ggc.h.
15754 (roots): Declare, static.
15755 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
15756 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
15757 null or check/set mark bit.
15758 (ggc_mark_roots): New.
15759 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
15761 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
15763 * m32r.c: Include toplev.h.
15764 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
15765 (gen_compare): Rename swap_p to must_swap to match uses.
15766 Add default abort case.
15767 (m32r_output_function_epilogue): Remove unused variables.
15768 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
15769 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
15770 define to empty parameter list. Update all uses.
15771 (predicate decls): Use enum machine_mode not int.
15772 * m32r.md (movsi): Call abort, not fatal_insn.
15773 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
15775 1999-09-14 Andrew Haley <aph@cygnus.com>
15777 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
15778 use $0 instead of 0.
15780 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15782 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
15783 computation out of loop over hard regs.
15785 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
15787 * function.c (identify_blocks): Don't shadow a variable in an
15789 * integrate.c (integrate_decl_tree): Don't use pushlevel,
15790 pushdecl, or poplevel to build up the new BLOCK tree.
15791 (expand_inline_function): Likewise.
15792 (integrate_parm_decls): Likewise.
15794 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
15796 * c-typeck.c (qualify_type): Merge qualifiers from both types.
15798 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
15800 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
15801 * invoke.texi: Document this change.
15803 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
15805 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
15807 (mark_emit_status): Renamed from mark_emit_state.
15808 * except.c (mark_eh_status): Renamed from mark_eh_state.
15809 Check not null before marking.
15810 (free_eh_status): New.
15811 * expr.c (mark_expr_status, free_expr_status): New.
15812 * function.c (free_machine_status): New.
15813 (free_after_parsing): New.
15814 (free_after_compilation): Move bits to free_after_parsing; call
15815 free_eh_status, free_expr_status; zero the marked members of the
15817 (prepare_function_start): No can_garbage_collect.
15818 Call init_eh_for_function.
15819 (expand_dummy_function_end): Free up current_function state.
15820 (mark_function_status): Renamed from mark_function_state.
15821 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
15822 * function.h (struct function): No can_garbage_collect.
15823 (free_machine_status, free_after_parsing): Declare.
15824 (free_eh_status, free_expr_status): Declare.
15825 * ggc.h (mark_expr_status): Declare.
15826 * stmt.c (free_stmt_status): Free the struct.
15827 (mark_stmt_status): Renamed from mark_stmt_state.
15828 (init_stmt): Don't call init_eh.
15829 (init_stmt_for_function): Don't call init_eh_for_function.
15830 * toplev.c (compile_file): Call init_eh.
15831 (rest_of_compilation): Free basic block info before ggc_collect.
15832 Call free_after_parsing; conditionally call free_after_compilation.
15833 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
15834 Check not null before marking.
15835 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
15837 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
15839 * c-lex.c (yylex): Initialize warn.
15841 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
15843 * pa.c (emit_move_sequence): Properly set the mode of the scratch
15844 register when performing secondary reloads for the SAR register.
15846 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
15848 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
15849 (NOTE_BLOCK): New macro.
15850 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
15851 * function.h (identify_blocks): Change prototype.
15852 * function.c (identify_blocks): Simplify.
15853 (reorder_blocks): Likewise.
15854 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
15855 NOTE_INSN_BLOCK_{BEG,END}.
15856 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
15857 the list of saved notes if the note isn't a
15858 NOTE_INSN_BLOCK_{BEG,END}.
15859 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
15861 (reemit_notes): Adjust recreation of notes to reflect new saved
15863 * print-rtl.c (print_rtx): Print the address of the BLOCK when
15864 printing a block note.
15865 * stmt.c (block_vector): Remove.
15866 (find_loop_tree_blocks): Simplify.
15867 (unroll_block_trees): Likewise.
15868 * tree.h (reorder_block): Change prototype.
15870 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
15872 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
15873 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
15874 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
15875 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
15876 (atexit, exit): Simplify.
15877 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
15878 * config/lots: Remove defns of HAVE_ATEXIT.
15880 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
15882 * calls.c (precompute_arguments): Fix typo in comment.
15883 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
15886 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
15888 * dsp16xx.c (override_options): Fix typos in GC root registration.
15890 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
15892 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
15893 from config/svr4.h.
15894 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
15895 (FUNCTION_PROFILER): Redefine appropriately for Linux.
15896 (CC1_SPEC): Likewise.
15898 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15900 * genattr.c (main): Add extern prototype. Call return, not exit.
15901 * genattrtab.c (main): Likewise.
15902 * gencheck.c (main): Likewise.
15903 * gencodes.c (main): Likewise.
15904 * genconfig.c (main): Likewise.
15905 * genemit.c (main): Likewise.
15906 * genextract.c (main): Likewise.
15907 * genflags.c (main): Likewise.
15908 * gengenrtl.c (main): Likewise.
15909 * genopinit.c (main): Likewise.
15910 * genoutput.c (main): Likewise.
15911 * genpeep.c (main): Likewise.
15912 * genrecog.c (main): Likewise.
15914 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
15915 * genattrtab.c (get_insn_name): Likewise.
15916 * gencodes.c (get_insn_name): Likewise.
15917 * genconfig.c (get_insn_name): Likewise.
15918 * genemit.c (get_insn_name): Likewise.
15919 * genextract.c (get_insn_name): Likewise.
15920 * genflags.c (get_insn_name): Likewise.
15921 * genopinit.c (get_insn_name): Likewise.
15922 * genpeep.c (get_insn_name): Likewise.
15924 * gencheck.c (usage): Add static prototype.
15925 * genextract.c (print_path): Constify a char*.
15926 * genopinit.c (optabs): Likewise.
15927 * genoutput.c (operand_data, data, output_predicate_decls,
15928 compare_operands): Likewise.
15929 * genrecog.c (write_tree): Add default case in switch.
15931 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15933 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
15935 * print-rtl.c (get_insn_name): Remove prototype.
15937 * toplev.h (progname): Declare const.
15939 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
15940 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
15941 dump_sched_info, dump_local_alloc, regset_release_memory,
15942 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
15943 error_with_file_and_line, error_with_decl, error_for_asm, error,
15944 fatal, warning_with_file_and_line, warning_with_decl, warning,
15945 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
15946 Remove redundant prototypes.
15948 (notice, check_lang_option, report_file_and_line, vnotice,
15949 mark_file_stack): Add static prototype.
15950 (set_fatal_function): Add prototype.
15951 (vnotice, report_file_and_line, set_fatal_function,
15952 check_lang_option): Constify a char*.
15953 (main): Prototype. Call return, not exit.
15955 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15957 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
15959 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
15961 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
15963 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
15965 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15967 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
15968 behave as if it's zero in all cases.
15969 (expand_function_start): Adjust call to assign_parms.
15970 * tree.h (assign_parms): Adjust prototype.
15971 * objc/objc-act.c (hack_method_prototype): Adjust call to
15974 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
15976 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
15977 arg_pointer_rtx fixed if the argument pointer register is
15979 (NONZERO_BASE_PLUS_P): Likewise.
15981 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
15983 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
15984 match_insn2 to match_insn.
15985 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
15987 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
15989 * Makefile.in (USER_H): Remove va-foo.h.
15991 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
15992 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
15993 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
15994 va-spur.h,va-v850.h}: Remove.
15996 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
15998 * sparc/sparc.md (eligible_for_return_delay): New attribute.
15999 (in_return_delay): Use it instead of match_insn.
16001 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16003 * config/alpha/va_list.h (va-alpha.h): Do not include.
16004 (__gnuc_va_list): Typedef as in varargs.h.
16006 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
16008 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
16009 DECL_LIVE_RANGE_RTL.
16011 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
16013 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
16014 not NOTE_BLOCK_NUMBER.
16015 (expand_eh_region_end): Likewise.
16016 (find_exception_handler_labels): Likewise.
16017 (scan_region): Likewise.
16018 (exception_optimize): Likewise.
16019 (update_rethrow_references): Likewise.
16020 (set_insn_eh_region): Likewise.
16021 * final.c (final_scan_insn): Likewise.
16022 * flow.c (make_edges): Likewise.
16023 * integrate.c (expand_inline_function): Likewise.
16024 * print-rtl.c (print_rtx): Likewise.
16026 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
16028 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
16029 terms of builtin functions and types.
16031 * mips.c (mips_build_va_list): New.
16032 (mips_va_start, mips_va_arg): New.
16033 * mips.h (BUILD_VA_LIST_TYPE): New.
16034 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16036 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
16037 (sh_build_va_list, sh_va_start, sh_va_arg): New.
16038 * sh.h (BUILD_VA_LIST_TYPE): New.
16039 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16041 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
16043 * recog.h (struct recog_data): Make dup_num, operand_address_p,
16044 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
16045 (struct insn_data): Likewise with n_operands, n_dups,
16046 n_alternatives, output_format.
16047 * regclass.c (scan_one_insn): Cast n_operands to int before
16048 arithmetic inside comparison.
16050 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
16052 * toplev.c (compile_function): Unconditionally emit nop.
16054 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16056 * haifa-sched.c (actual_hazard): Move declaration of variable
16057 `this_cost' into the scope where it is used.
16059 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16061 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
16062 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
16063 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
16065 * genrecog.c (make_insn_sequence): Call memset, not bzero.
16067 * jump.c (find_insert_position): Don't declare or define unless
16068 !HAVE_conditional_arithmetic.
16069 (returnjump_p_1, delete_prior_computation): Add static prototypes.
16071 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
16073 * recog.c (offsettable_address_p): Prototype function pointer.
16074 (preprocess_constraints): Call memset, not bzero.
16076 * tree.c (tree_node_kind_names): Constify a char*. Make static.
16077 (gcc_obstack_init): Don't declare.
16078 (fix_sizetype): Add static prototype.
16079 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
16080 (tree_cons): Call memset, not bzero.
16082 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
16083 definition in macro ASM_WEAKEN_LABEL.
16084 (mark_const_hash_entry): Add static prototype.
16086 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16088 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
16090 * unroll.c (find_common_reg_term, subtract_reg_term,
16091 loop_find_equiv_value): Add static prototypes.
16092 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
16093 (copy_loop_body): Remove unreachable break statement.
16095 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
16097 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
16099 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16101 Undo some changes from the gcc2 merge:
16102 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
16103 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
16107 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
16108 * emit-rtl.c (gen_lowpart_common): Disable optimization of
16109 initialized float-int union if the value is a NaN.
16111 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
16113 * gthr-win32.h: New file.
16115 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
16116 shared as a valid attribute.
16117 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
16118 * extend.texi: Document `shared' variable attribute.
16120 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
16122 * configure.in: Handle --enable-threads on FreeBSD.
16123 * configure: Rebuit.
16125 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16127 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
16129 * configure: Rebuilt.
16131 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
16132 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
16133 Rosimildo DaSilva <rdasilva@connecttel.com>
16135 * configure.in (m68k-*-rtemscoff*): Added.
16136 * configure.in (mips64orion-*-rtems*): Converted to ELF.
16137 * configure.in (sparc-*-rtemsaout*): Added as alias for old
16138 sparc-rtems configuration.
16139 * configure.in (sparc-*-rtemself*): Added.
16140 * configure.in (sparc-*-rtems*): Now ELF not a.out.
16141 * config/i386/rtems.h: Added comment.
16142 * config/sparc/rtemself.h: New file.
16144 * configure.in (m68k-rtemself): Added.
16145 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
16146 and DWARF_DEBUGGING_INFO.
16147 * config/m68k/crti.s: New file.
16148 * config/m68k/crtn.s: New file.
16149 * config/m68k/t-crtstuff: New file.
16150 * config/m68k/rtemself.h: New file.
16152 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
16153 global ctor/dtor and C++ exception handling.
16154 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
16155 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
16157 * config/i386/t-rtems-i386: New File.
16159 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
16161 * stmt.c (expand_end_case): Return right away if the case stack is
16164 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
16166 * Makefile.in (version.c): Remove rule incorrectly brought in from
16169 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
16171 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
16172 * msdos/top.sed: Take into account a prepended $(SHELL) to
16174 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
16176 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
16178 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16180 * regmove.c (fixup_match_1): Don't change an unchanging register.
16181 (stable_but_for_p): Renamed to:
16182 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
16183 Changed all callers.
16185 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
16187 * loop.c (strength_reduce): Don't call reg_used_between_p if the
16188 insn from BL2 is after the insn from BL.
16190 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
16192 * recog.h (INSN_OUTPUT_FORMAT_*): New.
16193 (struct insn_data): Merge `template' and `outfun' into `output'.
16194 Add `output_format'.
16195 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
16196 (struct data): Remove `outfun'; add `output_format'.
16197 (name_for_index): Remove declaration.
16198 (output_insn_data): Handle output formats.
16199 (process_template): Emit the bare array for @.
16200 (gen_expand, gen_split): Set output_format to NONE.
16201 * output.h (get_insn_template): Declare.
16202 * final.c (get_insn_template): New.
16203 (final_scan_insn): Use it.
16204 * toplev.c (compile_file): Likewise.
16206 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16207 * i860/i860.c (output_delayed_branch): Likewise.
16208 (output_delay_insn): Likewise.
16210 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16212 * rtl.c (obstack_alloc_rtx): Removed.
16214 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
16216 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
16218 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16220 * i386.c (call_insn_operand): Reject const_int.
16221 (expander_call_insn_operand): Use call_insn_operand.
16223 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16225 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
16227 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
16229 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
16230 Use DImode operation.
16232 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
16234 * gcc.c: Include sys/resource.h.
16235 (report_times): New flag.
16236 (execute): If report_times is set, calculate and report the
16237 CPU time consumed by each subprocess.
16239 (rus, prus): New globals.
16240 (option_map): Add --time.
16241 (display_help): Document -time.
16242 (process_command): Set report_times if -time is given.
16243 Turn off -pipe if -time is given.
16245 * invoke.texi: Document new option -time.
16247 * configure.in: Check for getrusage. Check if we have to
16248 prototype getrusage.
16249 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
16250 * configure: Regenerate.
16251 * config.in: Regenerate.
16253 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
16255 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
16258 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
16260 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
16261 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
16262 (nan): Return _thenan_sf or _thenan_df as appropriate.
16263 (L_thenan_sf): Define _thenan_sf.
16264 (L_thenan_df): Define _thenan_df.
16266 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
16267 (DPBIT_FUNCS): Add _thenan_df.
16269 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
16271 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
16274 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16276 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
16279 (lang_specific_driver): Don't take a function pointer parameter.
16280 All callers changed.
16282 * gcc.c: Include gcc.h.
16283 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
16284 lang_specific_extra_outfiles, fatal): Don't declare.
16285 (multilib_defaults_raw): Constify.
16286 (read_specs): Call memset, rather than bzero.
16287 (main): Call return, not exit.
16288 (lookup_compiler): Call memcpy, not bcopy.
16289 (fatal): Make extern.
16291 * cppspec.c: Include gcc.h.
16292 (lang_specific_driver): Initialize variable `quote'. Constify a
16293 char*. All calls to the function pointer parameter now
16294 explicitly call `fatal'.
16296 * gccspec.c (lang_specific_driver): Include gcc.h.
16298 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
16300 * arm.c (note_invalid_constants): Use recog_data.operand_type
16303 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16305 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
16308 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
16309 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16310 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16311 reload_secondary_in_reload, reload_secondary_out_reload,
16312 reload_secondary_in_icode, reload_secondary_out_icode,
16313 reload_reg_rtx, reload_when_needed): Delete declarations.
16314 (struct reload): New structure.
16315 (rld): Declare new array.
16316 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
16317 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16318 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16319 reload_secondary_in_reload, reload_secondary_out_reload,
16320 reload_secondary_in_icode, reload_secondary_out_icode,
16321 reload_reg_rtx, reload_when_needed): Delete definitions.
16323 (whole file): Replace uses of the deleted arrays with uses of rld.
16324 * reload1.c (whole file): Replace uses of the deleted arrays with
16326 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
16327 explicit loops, not with bcopy.
16329 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
16331 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
16332 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
16333 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
16334 insn_name): Delete and consolidate into new structures.
16335 (insn_operand_predicate_fn): New.
16336 (insn_output_fn): New.
16337 (insn_gen_fn): New.
16338 (struct insn_operand_data): New.
16339 (struct insn_data): New.
16341 (OUT_FCN): Update for insn_data change.
16342 * builtins.c (expand_builtin_strlen): Likewise.
16343 (expand_builtin_memcmp): Likewise.
16344 * combine.c (make_extraction, simplify_comparison): Likewise.
16345 * cse.c (canon_reg, cse_insn): Likewise.
16346 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
16347 * expmed.c (store_bit_field, extract_bit_field): Likewise.
16348 (emit_store_flag): Likewise.
16349 * expr.c (convert_move, emit_block_move): Likewise.
16350 (clear_storage, emit_push_insn, expand_increment): Likewise.
16351 (do_store_flag): Likewise.
16352 * expr.h (GEN_FCN): Likewise.
16353 (insn_gen_function): Die.
16354 * final.c (final_scan_insn): Update for insn_data change.
16355 (output_asm_name): Likewise.
16356 * function.c (fixup_var_refs_1): Likewise.
16357 * loop.c (check_dbra_loop): Likewise.
16358 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
16359 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
16360 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
16361 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
16362 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
16363 * regmove.c (gen_add3_insn): Likewise.
16364 * reload.c (push_secondary_reload, combine_reloads): Likewise.
16365 (find_reloads, find_reloads_address_1): Likewise.
16366 (debug_reload_to_stream): Likewise.
16367 * reload1.c (emit_reload_insns, gen_reload): Likewise.
16368 * stmt.c (expand_end_case): Likewise.
16369 * toplev.c (compile_file): Likewise.
16371 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16372 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16374 * print-rtl.c (insn_name_ptr): Remove declaration.
16375 (get_insn_name): Declare.
16376 (print_rtx): Use it.
16377 * genoutput.c (insn_name_ptr): Remove.
16378 (next_operand_number): New.
16379 (struct operand_data): New.
16380 (null_operand, odata, odata_end): New.
16381 (struct data): Use struct operand_data.
16382 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
16383 (get_insn_name): Renamed from name_for_index.
16384 (output_prologue): Define NO_MD_PROTOTYPES.
16385 (output_predicate_decls): Break out from output_epilogue.
16386 Iterate over the operands list.
16387 (output_operand_data): Break out from output_epilogue. Emit
16388 just the operands list.
16389 (output_insn_data): Break out from output_epilogue. Emit just
16391 (output_epilogue): Remove.
16392 (output_get_insn_name): New.
16393 (constraints, op_n_alternatives, predicates, address_p): Die.
16394 (modes, strict_low, seen): Die.
16395 (scan_operands): Take new param `d' instead of writing to
16396 seven global variables.
16397 (compare_operands): New.
16398 (place_operands): New.
16399 (validate_insn_alternatives): Update for struct data change.
16400 (gen_insn): Don't zero or copy 7 global arrays. Update for
16401 scan_operands; call place_operands.
16402 (gen_peephole, gen_expand, gen_split): Likewise.
16403 (main): Update for new output routines.
16405 * genattr.c (insn_name_ptr): Remove.
16406 (get_insn_name): New function.
16407 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
16408 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
16409 * genrecog.c: Likewise.
16411 * alpha.md (adddi3): Make `pattern' array static.
16413 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16415 * config/c4x/c4x.h (c4x_rpts_cycles_string,
16416 c4x_cpu_version_string): Constify char *.
16417 * config/c4x/c4x.c (c4x_rpts_cycles_string,
16418 c4x_cpu_version_string): Likewise.
16420 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
16422 * tree.c (save_tree_status): Revert 10 Sep change.
16423 (restore_tree_status): Likewise. Call obstack_free with NULL
16424 before freeing the obstack proper.
16426 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
16428 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
16430 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
16431 surrounding context.
16433 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
16435 * tree.c (type_hash_canon): Put all types in the hash-table, when
16438 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
16440 * recog.h (struct recog_data, recog_data): New.
16441 (recog_foo variables): Kill.
16442 * recog.c (recog_operand, recog_operand_loc): Kill.
16443 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
16444 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
16445 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
16446 (recog_data): Define.
16447 (extract_insn): Update all recog_foo references to use recog_data.
16448 (preprocess_constraints, constrain_operands): Likewise.
16449 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
16450 * genattrtab.c (main): Likewise.
16451 * genextract.c (main): Likewise.
16452 * genoutput.c: Likewise.
16453 * genrecog.c (write_subroutine, main): Likewise.
16454 * local-alloc.c (block_alloc): Likewise.
16455 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
16456 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
16457 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
16458 * reload.c (find_reloads, find_reloads_toplev): Likewise.
16459 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
16460 (reload_cse_simplify_operands): Likewise.
16462 * arc/arc.c (arc_final_prescan_insn): Likewise.
16463 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
16464 * h8300/h8300.c (notice_update_cc): Likewise.
16465 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
16466 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16467 * mn10200/mn10200.c (notice_update_cc): Likewise.
16468 * mn10300/mn10300.c (notice_update_cc): Likewise.
16469 * romp/romp.c (update_cc): Likewise.
16470 * sparc/sparc.c (check_pic): Likewise.
16471 * v850/v850.c (notice_update_cc): Likewise.
16473 * genemit.c (main): Don't declare recog_operand.
16475 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
16477 * ggc.h (rtvec_def): Forward declare.
16478 (tree_node): Likewise.
16479 (ggc_root): Define.
16481 (ggc_set_mark_rtx): Add prototype.
16482 (ggc_set_mark_rtvec): Likewise.
16483 (ggc_set_mark_tree): Likewise.
16484 * ggc-simple.c (ggc_root): Don't define.
16485 (roots): Don't declare.
16486 (ggc_mark_rtx): Remove.
16487 (ggc_mark_rtvec): Likewise.
16488 (ggc_mark_tree): Likewise.
16489 (ggc_mark_varray): Likewise.
16490 (ggc_mark_tree_hash_table_entry): Likewise.
16491 (ggc_mark_tree_hash_table): Likewise.
16492 (ggc_set_mart_rtx): New function.
16493 (ggc_set_mark_rtvec): Likewise.
16494 (ggc_set_mark_tree): Likewise.
16495 (ggc_add_root): Remove.
16496 (ggc_add_rtx_root): Likewise.
16497 (ggc_remove_tree_root): Likewise.
16498 (ggc_add_string_root): Likewise.
16499 (ggc_add_tree_varray_root): Likewise.
16500 (ggc_add_tree_hash_table_root): Likewise.
16501 (ggc_del_root): Likewise.
16502 (ggc_mark_rtx_ptr): Likewise.
16503 (ggc_mark_tree_ptr): Likewise.
16504 (ggc_mark_string_ptr): Likewise.
16505 (ggc_mark_tree_varray_ptr): Likewise.
16506 (ggc_mark_tree_hash_table_ptr): Likewise.
16507 * ggc-common.c: New file.
16508 * Makefile.in (OBJS): Add ggc-common.o.
16509 (ggc-common.o): List dependencies.
16511 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
16513 * cppalloc.c (xstrdup): Use memcpy.
16514 * cpperror.c (cpp_print_containing_files): Don't use
16516 * cpplib.c (conditional_skip): Set temp->lineno.
16517 (do_endif): Make error message less obscure.
16518 (if_directive_name): New function.
16519 (cpp_get_token [case EOF]): Unwind the if stack and generate
16520 error messages for each unterminated conditional in this file.
16521 (parse_string): Do not behave differently if -traditional.
16523 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
16525 * builtins.c (expand_builtin_va_arg): Cope with an array-type
16526 va_list decomposing to pointer-type.
16527 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
16528 (rs6000_va_arg): Likewise.
16530 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
16532 * except.c (start_dynamic_handler): Compute size using
16533 STACK_SAVEAREA_MODE.
16535 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16537 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
16538 include directory headers. Don't define strrchr. Don't provide
16539 my_* replacement functions. Prefer PTR over `pointer_type'.
16540 Don't prototype system functions. Don't redefine getopt.
16542 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
16543 safe_read, safe_write, save_pointers, restore_pointers,
16544 is_id_char, in_system_include_dir, directory_specified_p,
16545 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
16546 find_corresponding_lparen, referenced_file_is_newer,
16547 save_def_or_dec, munge_compile_params, gen_aux_info_file,
16548 process_aux_info_file, identify_lineno, check_source,
16549 seek_to_line, forward_to_next_token_char, output_bytes,
16550 output_string, output_up_to, other_variable_style_function,
16551 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
16552 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
16553 find_static_definition, connect_defs_and_decs, add_local_decl,
16554 add_global_decls, needs_to_be_converted, visit_each_hash_node,
16555 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
16556 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
16557 scan_for_missed_items, edit_file, string_list_cons): Add static
16559 (standard_exec_prefix, target_machine, target_version,
16560 default_syscalls_dir, string_list, string_list_cons, find_file,
16561 do_cleaning): Constify a char*.
16562 (safe_read, safe_write): Use PTR, not a char*.
16563 (is_id_char): Take an int, not a char.
16564 (main): Add prototype. Call return, not exit.
16566 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
16568 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
16569 when comparing types.
16571 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
16573 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
16574 (strength_reduce): Release the varrays from the no-bivs early exit.
16576 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
16577 the loop over the registers.
16579 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
16581 (restore_tree_status): Check that instead when freeing the obstack.
16583 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
16585 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
16588 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16590 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
16591 operand size modifiers.
16593 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16595 * c-common.c (c_common_nodes_and_builtins): Don't build
16597 * c-common.h (enum c_tree_index and related accesor macros): Remove
16598 everything now declared in tree.h.
16599 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
16600 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
16601 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
16602 (error_mark_node, void_type_node, char_type_node, integer_type_node,
16603 unsigned_type_node, ptr_type_node, va_list_type_node,
16604 integer_zero_node, null_pointer_node, integer_one_node): Delete.
16605 (init_decl_processing): Call build_common_tree_nodes and
16606 build_common_tree_nodes_2 instead of building their nodes here.
16607 Don't add roots for these nodes.
16608 * stor-layout.c (size_zero_node, size_one_node): Delete.
16609 (set_sizetype): Make a new node for bitsizetype each time.
16610 * tree.c (global_trees): New variable.
16611 (init_obstacks): Add a gc root for it.
16612 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
16613 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
16614 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
16615 (build_common_tree_nodes): New function.
16616 (fix_sizetype): New function.
16617 (build_common_tree_nodes_2): New function.
16618 * tree.h (enum tree_index): New.
16619 (global_trees): Declare.
16620 Add accessor macros for all nodes now moved to global_trees.
16621 Delete their declarations.
16623 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
16625 * c-decl.c (finish_function): When processing a nested function,
16626 push and pop GC context around rest_of_compilation.
16628 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
16630 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
16631 Default ix86_arch to PROCESSOR_I386.
16632 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
16633 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
16634 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
16635 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
16636 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
16637 (EXTRA_SPECS): Remove deleted specs.
16639 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
16641 * function.c (assign_stack_local_1): Allocate from
16642 function->x_frame_offset, not frame_offset.
16644 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
16646 * ggc.h (lang_cleanup_tree): Remove.
16647 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
16648 * ggc-callbacks.c (lang_cleanup_tree): Remove.
16650 * c-decl.c (finish_struct): Use ggc_alloc to allocate
16651 TYPE_LANG_SPECIFIC when garbage collecting.
16652 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
16653 (lang_cleanup_tree): Remove.
16655 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16657 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
16658 * crtstuff.c: Not here.
16659 * dwarf2out.c: Or here.
16660 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
16663 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
16665 * function.h (free_after_compilation): Remove decl parameter.
16666 (free_varasm_status0: Likewise.
16667 (free_emit_status): Likewise.
16668 (free_stmt_status): Likewise.
16669 (free_after_compilation): Likewise.
16670 (init_lang_status): New variable.
16671 (free_lang_status): Likewise.
16672 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
16673 * function.c (init_lang_status): New variable.
16674 (free_lang_status): Likewise.
16675 (push_function_context_to): Don't set function::decl here.
16676 (free_after_copmilation): Make decl parameter implicit. Call
16677 free_lang_status if defined.
16678 (prepare_function_start): Call init_lang_status if defined.
16679 (init_function_start): Set function::decl here.
16680 * profile.c (output_func_start_profiler): Don't call pushdecl
16681 until we've actually started the function.
16682 * stmt.c (free_stmt_status): Make decl parameter implicit.
16683 * toplev.c (rest_of_compilation): Don't pass decl to
16684 free_after_compilation.
16685 * varasm.c (free_varasm_status): Likewise.
16687 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16689 * except.c (call_get_eh_context): Add root when allocating static
16692 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
16694 * arm.c: Include "ggc.h".
16695 (arm_add_gc_roots): New function.
16696 (arm_override_options): Call it.
16697 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
16699 * arm.md (define_asm_attributes): Add a pool_range attribute.
16701 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
16703 * extend.texi (Volatiles): New node.
16705 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
16707 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
16708 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
16709 (struct ggc_any): Replace `mark' with `magic_mark'.
16710 (ggc_alloc_string): Use memcpy, not bcopy.
16711 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
16712 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
16713 (ggc_free_any): New.
16714 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
16715 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
16716 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
16717 Use IS_MARKED. Use ggc_free_any.
16719 1999-09-09 Scott Bambrough <scottb@netwinder.org>
16721 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
16723 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
16725 * toplev.c (main): Always init_ggc.
16727 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
16729 * except.c (find_all_handler_type_matches): Free the list if
16730 we found no matches.
16732 * combine.c (SUBST): Break out to a real function do_SUBST.
16733 (SUBST_INT): Likewise.
16734 * gcse.c (free_pre_mem): Free `temp_bitmap'.
16735 (pre_insert): Free `inserted'.
16736 * loop.c (basic_induction_var): Always set `location'.
16738 * function.c (expand_function_end): Add initial_trampoline as a root.
16739 * rtl.h (init_varasm_once): Declare.
16740 * toplev.c (compile_file): Call it.
16741 * ggc-simple.c (ggc_mark_string_ptr): New.
16742 (ggc_add_string_root): New.
16743 (ggc_collect): Disable collection avoidance temporarily.
16744 * ggc.h (ggc_add_string_root): Declare.
16745 * except.c (create_rethrow_ref): Use ggc_alloc_string.
16746 * optabs.c (init_libfuncs): Likewise.
16747 * varasm.c (named_section): Use ggc_alloc_string.
16748 (make_function_rtl): Likewise.
16749 (make_decl_rtl): Likewise.
16750 (assemble_static_space): Likewise.
16751 (assemble_trampoline_template): Likewise.
16752 (output_constant_def): Likewise.
16753 (force_const_mem): Likewise.
16754 (mark_const_hash_entry): New.
16755 (mark_pool_sym_hash_table): New.
16756 (mark_varasm_state): Use it.
16757 (init_varasm_once): New.
16759 * expr.h (init_one_libfunc): Declare.
16760 * optabs.c (init_one_libfunc): New.
16761 (init_optabs): Use it.
16762 * config/gofast.h: Likewise.
16763 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
16764 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
16766 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16768 * Makefile.in (cppexp.o): Depend on cpphash.h.
16769 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
16771 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
16772 * cpplib.c (do_define): Generalise to handle poisoned definitions,
16773 redefining poisoned identifiers, etc.
16774 (do_undef): Don't allow poisoned identifiers to be undefined.
16775 (do_pragma): Add #pragma poison.
16776 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
16778 * cccp.c: Add T_POISON node type.
16779 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
16781 (do_define): Generalise to handle poisoned definitions,
16782 redefining poisoned identifiers, etc.
16783 (do_undef): Don't allow poisoned identifiers to be undefined.
16784 (do_pragma): Add #pragma poison.
16785 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
16787 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
16788 * c-pragma.h: Add ps_poison state. We now always have generic
16791 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
16793 * ggc.h (ggc_alloc): New function.
16794 (ggc_mark): Likewise.
16795 * ggc-simple.c (ggc_any): New structure.
16796 (ggc_status): Add anys.
16797 (n_anys_collected): New variable.
16798 (ggc_alloc): Define.
16799 (ggc_mark): Likewise.
16800 (ggc_collect): Collect the anys.
16802 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16804 * c-decl.c (mark_binding_level): Make static to match prototype.
16806 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
16808 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
16810 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
16812 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
16813 will use into account. Expand the max width to 5.
16816 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
16818 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
16819 for the rtx length.
16821 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
16823 * alpha.md (call value patterns): Remove the result predicates.
16825 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
16827 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
16830 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16832 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
16833 changed from extern char *, to extern PTR. Also fix typo in
16834 NEED_DECLARATION_REALLOC test.
16836 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
16838 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16840 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
16841 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
16842 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
16843 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
16845 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
16847 * cccp.c (pcfinclude): Likewise.
16849 * global.c (allocno_compare): Likewise.
16851 * haifa-sched.c (rank_for_schedule): Likewise.
16853 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
16855 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
16857 * stupid.c (stupid_reg_compare): Likewise.
16859 * tree.c (_obstack_allocated_p): Likewise.
16861 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
16863 1999-09-08 Bruce Korb autogen@linuxbox.com
16865 * Makefile.in: Give the hapless gperf user a hint about
16866 why "gperf -F" fails.
16868 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
16870 * lists.c: Include ggc.h.
16872 (init_EXPR_INSN_LIST_cache): Install it.
16874 * ggc-simple.c (init_ggc): Absorb the old init.
16875 (ggc_push_context): Use xcalloc.
16876 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
16877 (ggc_collect): Add [rvts] tags to the collection stats.
16879 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
16881 * cccp.c (main): Fix handling of -include and -imacros options.
16883 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
16885 * cpplib.c (cpp_push_buffer): Fix order of arguments.
16887 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16889 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
16892 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16894 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
16895 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
16896 and SET_DEST. Update comment.
16898 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16900 * config/c4x/c4x.c: Include ggc.h.
16901 (c4x_add_gc_roots): New function.
16902 (c4x_override_options): Call c4x_add_gc_roots.
16904 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
16906 * defaults.h (TARGET_ESC): Move ...
16907 * system.h: ... here, where Linas had it in the first place. Silly me.
16909 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
16911 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
16912 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
16913 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
16914 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
16915 * defaults.h (TARGET_ESC): Add default.
16917 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
16919 * configure.in: add i370-*-openedition, i370-*-mvs and
16920 i370-*-linux targets
16922 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
16924 * dsp16xxx.c: Include ggc.h
16925 (override_options): Mark GC roots.
16926 * mn10200.c: Include ggc.h.
16927 (asm_file_start): Mark GC roots.
16928 * tahoe.c: Include ggc.h.
16929 (extensible_operand): Mark GC roots.
16931 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
16933 * README: Add section discussing status of ELF ABI.
16934 * i370.c: Fix misc spelling mistakes.
16935 (i370_label_scan): Updated notes, exception handling.
16936 (i370_function_prolog): Simplify ELF stack handling.
16937 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
16938 (STACK_GROWS_DOWNWARD): ELF stack grows down.
16939 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
16940 * i370.md: (movdi): Add notes.
16941 (floatsidf2): Use stack not rtca for scratch float area.
16942 (iorsi3): Correct operand constraints.
16943 * x-oe: Restore TAROUTOPTS which are used by pax.
16945 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
16947 * rs6000.c: Include ggc.h.
16948 (rs6000_add_gc_roots): New function.
16949 (override_options): Call it.
16951 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
16953 * alpha.h (alpha_compare): New.
16954 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
16955 * alpha.c: Likewise for the definitions.
16956 (alpha_emit_conditional_branch): Update for alpha_compare.
16957 (alpha_emit_conditional_move): Likewise.
16958 * alpha.md (cmpdf, cmpdi): Likewise.
16959 (setcc patterns): Likewise. Zero alpha_compare after use.
16960 (sne): Optimize (x != 0) into (0U < x).
16962 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
16964 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
16965 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
16966 (INIT_EXPANDERS): Remove.
16967 * alpha.c: Include ggc.h.
16968 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
16969 (alpha_init_machine_status, alpha_mark_machine_status): New.
16970 (override_options): Install them.
16971 (struct machine_function): Moved to alpha.h.
16972 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
16973 (alpha_init_expanders): Remove.
16974 (alpha_return_addr): Adjust to use current_function->machine.
16975 (alpha_ra_ever_killed): Likewise.
16976 (alpha_expand_epilogue): Likewise.
16977 * alpha.md (eh_epilogue): Likewise.
16979 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
16980 Melissa O'Neill <oneill@cs.sfu.ca>
16981 Geoffrey Keating <geoffk@cygnus.com>
16983 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
16984 call-used registers (call-saved registers must still be contiguous
16985 and end with r31, of course).
16987 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
16989 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
16990 (self_promoting_type_p): Delete.
16991 (self_promoting_args_p): Move ...
16992 * c-common.c: ... here.
16993 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
16994 (simple_type_promotes_to): New.
16995 * builtins.c (lang_type_promotes_to): New.
16996 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
16997 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
16998 * c-common.h: ... here.
16999 (self_promoting_args_p, simple_type_promotes_to): Declare.
17000 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
17001 (grokdeclarator): Likewise.
17002 * tree.h (lang_type_promotes_to): Declare.
17004 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
17006 Add some machine-dependent GC roots.
17007 * sparc.c: Include ggc.h.
17008 (sparc_add_gc_roots): New function.
17009 (mark_ultrasparc_pipeline_state): Likewise.
17010 (override_options): Call sparc_add_gc_roots.
17011 * pa.c: Include ggc.h.
17012 (pa_add_gc_roots): New function.
17013 (mark_deferred_plabels): Likewise.
17014 (override_options): Call pa_add_gc_roots.
17015 * mips.c: Include ggc.h.
17016 (mips_add_gc_roots): New function.
17017 (override_options): Use it.
17019 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17021 * cpperror.c (cpp_file_line_for_message): Constify a char*.
17023 * cppexp.c (parse_number, parse_charconst, cpp_lex,
17024 cpp_parse_expr): Add static prototypes.
17025 (parse_charconst): Don't cast away const-ness.
17026 (token): Constify a char*.
17028 * cppfiles.c (file_name_list, include_hash, find_include_file,
17029 finclude, initialize_input_buffer): Constify a char*.
17030 (file_cleanup, find_position): Add static prototypes.
17032 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
17033 collect_expansion): Add static prototypes.
17034 (cpp_install, create_definition, monthnames): Constify a char*.
17036 * cpphash.h (cpp_install): Likewise.
17038 * cppinit.c (known_suffixes, default_include,
17039 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
17040 (base_name, dump_special_to_buffer, initialize_dependency_output):
17041 Add static prototypes.
17043 * cpplib.c (my_strerror): Constify a char*.
17044 (null_underflow, null_cleanup, skip_comment, copy_comment,
17045 copy_rest_of_line, handle_directive, pass_thru_directive,
17046 get_directive_token, read_line_number, cpp_print_file_and_line,
17047 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
17048 v_cpp_warning_with_line, detect_if_not_defined,
17049 consider_directive_while_skipping): Add static prototypes.
17050 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
17051 cpp_pedwarn_with_file_and_line): Constify a char*.
17053 * cpplib.h (cpp_options, include_hash, progname, definition,
17054 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
17055 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
17056 find_include_file, deps_output, include_hash): Constify a char*.
17058 * cppmain.c (progname): Constify.
17059 (main): Add prototype. Use return, not exit.
17061 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
17062 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
17063 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
17064 check_protection): Add static prototype.
17066 (progname, recognized_macrom, recognized_extern): Constify a char*.
17067 (main): Add prototype.
17069 * gen-protos.c (progname): Constify a char*.
17071 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
17073 * emit-rtl.c (free_emit_status): Take decl as a parameter.
17074 (init_emit_once): Add more GC roots.
17075 * except.c (mark_func_eh_entry): New function.
17076 (mark_eh_node): Mark false_label and rethrow_label.
17077 (init_eh): Add more GC roots.
17078 * function.c (free_after_compilation): Take decl as a paramter.
17079 Call free_stmt_status.
17080 (mark_function_state): Don't assume x_parm_reg_stack_loc is
17082 * function.h (free_after_compilation): Change prototype.
17083 (free_varasm_status): Likewise.
17084 (free_emit_status): Likewise.
17085 (free_stmt_status): New function.
17086 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
17087 Remove, replacing with ...
17088 (ggc_status): New structure.
17089 (ggc_chain): New variable.
17090 (init_gcc): Define.
17091 (ggc_push_context): New function.
17092 (ggc_pop_context): Likewise.
17093 (ggc_alloc_rtx): Adjust for use of ggc_chain.
17094 (ggc_alloc_rtvec): Likewise.
17095 (ggc_alloc_tree): Likewise.
17096 (ggc_alloc_string): Likewise.
17097 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
17098 (ggc_mark_tree): Give language-dependent code a chance to mark
17100 (ggc_mark_tree_varray): Handle empty arrays.
17101 (ggc_collect): Adjust for use of ggc_chain. Clear
17102 bytes_alloced_since_last_gc.
17103 * ggc.h (ggc_pop_context): New function.
17104 (ggc_push_context): Likewise.
17105 * print-tree.c (print_node): Don't print obstacks when GC'ing.
17106 * stmt.c (free_stmt_status): New function.
17107 (init_stmt_for_function): Clear last_expr_value.
17108 * toplev.c (rest_of_compilation): Always call free_after_compilation.
17109 Conditionalize call to ggc_collect.
17110 (main): Call init_ggc.
17111 * tree.c (push_obstacks): Do the push, even when GC'ing.
17112 (push_obstacks_nochange): Likewise.
17113 (pop_obstacks): Liekwise.
17114 * varasm.c (free_varasm_status): Take decl as a parameter.
17116 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
17118 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
17119 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
17120 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
17121 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
17123 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
17125 * pa/x-pa-mpeix: New file for the MPE port.
17127 * pa/quadlib.asm: New file for long double support.
17129 * configure.in: Add hppa1.0-*-mpeix for MPE port.
17130 * configure: Rebuilt.
17132 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
17134 * final.c (shorten_branches): Fix last change.
17136 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
17138 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
17140 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
17142 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
17145 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17147 * c-aux-info.c (concat): Don't define.
17149 * cccp.c (my_strerror): Likewise. All callers changed to use
17151 (do_include): Call xstrdup, not xmalloc/strcpy.
17152 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
17153 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
17155 * collect2.c (my_strsignal): Likewise. All callers changed to use
17157 (locatelib): Call xstrdup, not xmalloc/strcpy.
17159 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
17161 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
17163 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
17165 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
17167 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
17169 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
17171 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
17173 (find_all_handler_type_matches): Likewise. Don't check return
17175 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
17176 xmalloc, not malloc.
17177 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
17179 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
17180 (init_spec): Call xcalloc, not xmalloc/bzero.
17181 (set_spec): Call xstrdup, not save_string.
17182 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
17183 (find_a_file): Call xstrdup, not xmalloc/strcpy.
17184 (process_command): Call xstrdup, not save_string.
17185 (main): Call xcalloc, not xmalloc/bzero.
17187 * gcov.c (xmalloc): Don't define.
17188 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
17189 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
17190 (output_data): Call xcalloc, not xmalloc/bzero.
17192 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
17194 * mips-tdump.c (xmalloc): Don't define.
17195 (print_symbol): Call xmalloc, not malloc.
17196 (read_tfile): Call xcalloc, not calloc.
17198 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
17199 Don't define. All callers of xfree/my_strsignal changed to use
17200 free/strsignal instead.
17201 (allocate_cluster): Call xcalloc, not calloc.
17203 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
17204 Fix memory leak, free allocated memory.
17206 * prefix.c (translate_name): Call xstrdup, not save_string.
17207 (update_path): Likewise.
17209 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
17211 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
17212 Don't define. Callers of xfree/savestring2 changed to use
17213 free/concat instead.
17215 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
17216 (init_elim_table): Likewise.
17218 * resource.c (init_resource_info): Likewise.
17220 * stupid.c (stupid_life_analysis): Likewise.
17222 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
17223 (open_dump_file): Call concat, not xmalloc/strcpy/...
17224 (clean_dump_file): Likewise.
17225 (compile_file): Call xstrdup, not xmalloc/strcpy.
17227 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
17229 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
17230 * v850.c (v850_va_arg): New.
17232 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17234 * haifa-sched.c: Tidy comments.
17236 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17238 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
17239 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
17240 $(out_object_file)): Depend on ggc.h.
17241 * c-common.c: Include "ggc.h".
17242 (combine_strings): If doing GC, use ggc_alloc_string.
17243 * c-decl.c: Include "ggc.h".
17244 (ggc_p): Define with value 0.
17245 (mark_binding_level): New function.
17246 (init_decl_processing): Add GC roots.
17247 (mark_c_function_context): New function.
17248 (lang_mark_false_label_stack): New function.
17249 (lang_mark_tree): New function.
17250 (lang_cleanup_tree): New function.
17251 * c-lang.c: Include "ggc.h".
17252 (lang_init): Call c_parse_init.
17253 * c-lex.c: Include "ggc.h".
17254 (check_linenum): If doing GC, don't copy filenames to permanent
17256 * c-parse.in: Include "ggc.h".
17257 (c_parse_init): New function.
17258 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
17259 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
17261 * except.c (mark_eh_state): Mark more state.
17262 * function.c (mark_function_state): Likewise.
17263 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
17264 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
17265 * toplev.c (mark_file_stack): New function.
17266 (compile_file): If doing GC, use ggc_alloc_string on input filename.
17267 (main): Add root for input_file_stack.
17269 * i386.c: Include "ggc.h".
17270 (ix86_mark_machine_status): New function.
17271 (override_options): Set mark_machine_status.
17273 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17275 * tree.c (copy_node): Copy node contents also if doing GC.
17277 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17279 * collect2.c (scan_libraries): Fix double-thinko :-).
17281 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
17283 * collect2.c (scan_libraries): Fix thinko.
17285 * cse.c (delete_trivially_dead_insns): Do not skip the last
17286 insn if it is a real insn.
17288 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
17290 * Makefile.in (ggc-simple.o): Depend on hash.h.
17291 * ggc.h (ggc_add_tree_hash_table_root): Declare.
17292 (ggc_mark_tree_varray): Likewise.
17293 (ggc_mark_tree_hash_table): Likewise.
17294 * ggc-simple.c: Include hash.h.
17295 (ggc_mark_tree_hash_table_ptr): New function.
17296 (ggc_mark_tree_hash_table_entry): Likewise.
17297 (ggc_mark_tree_hash_table): Likewise.
17298 (ggc_add_tree_hash_table_root): Likewise.
17299 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
17300 rtx, when defining fields.
17302 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17304 * profile.c (output_func_start_profiler): Remove apparently
17305 nonsensical call to start_sequence.
17307 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
17309 * clipper/clipper.c (clipper_va_start): Fix typos.
17311 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
17312 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
17313 (spur_va_arg): New stub.
17315 * configure.in: Comment out pyramid.
17317 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
17319 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
17320 don't conflict with the bits that win32, cygwin, and dgux
17323 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
17324 Bernd Schmidt <bernds@cygnus.co.uk>
17326 * integrate.c (function_cannot_inline_p): Do not inline
17327 functions with forced labels.
17329 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
17330 Bernd Schmidt <bernds@cygnus.co.uk>
17331 Mark Mitchell <mark@codesourcery.com>
17333 * Makefile.in (ggc-simple.o): Depend on varray.h.
17334 (rtl.o): Depend on ggc.h.
17335 (genattrtab.o): Depend on ggc.h.
17336 (print-tree.o): Likewise.
17337 (fold-const.o): Likewise.
17338 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
17339 (make_insn_raw): Don't cache insns when GC'ing.
17340 (emit_insn_before): Likewise.
17341 (emit_insn_after): Likewise.
17342 (emit_insn): Likewise.
17343 (start_sequence): Use xmalloc to allocate the sequence_stack.
17344 (end_sequence): Add free to free it.
17345 (gen_sequence): Don't cache insns when GC'ing.
17346 (clear_emit_caches): Don't use sequence_element_free_list.
17347 (init_emit): Use xcalloc, not xmalloc+bzero.
17348 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
17349 * function.c (pop_function_context_from): Use free to free the
17350 fixup_var_refs_queue.
17351 (put_reg_into_stack): Allocate it with xmalloc.
17352 * genattrtab.c: Include ggc.h.
17353 (operate_exp): Don't use obstack_free when GC'ing.
17354 (simplify_cond): Likewise.
17355 (simplify_text_exp): Likewise.
17356 (optimize_attrs): Likewise.
17357 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
17359 (gencode): Generate a #include for ggc.h.
17360 * ggc-callbacks.c (ggc_p): Define it to zero.
17361 * ggc-none.c (ggc_p): Likewise.
17362 * ggc-simple.c: Include varray.h.
17363 (ggc_mark_tree_varray): New function.
17364 (ggc_add_tree_varray_root): Likewise.
17365 (ggc_mark_tree_varray_ptr): Likewise.
17366 * ggc.h (ggc_p): Declare.
17367 (varray_head_tag): Likewise.
17368 (ggc_add_tree_varray_root): Declare.
17369 * print-tree.c (print_node): Don't check for TREE_PERMANENT
17370 inconsistencies when GC'ing.
17371 * rtl.c: Include ggc.h.
17372 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
17373 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
17374 (rtx_free): Don't call obstack_free when GC'ing.
17375 * toplev.c (rest_of_compilation): Call ggc_collect after every
17377 * tree.c (push_obstacks): Do nothing, if GC'ing.
17378 (pop_obstacks_nochange): Likewise.
17379 (pop_obstacks): Likewise.
17380 (make_node): Use ggc_alloc_tree when GC'ing.
17381 (copy_node): Likewise.
17382 (get_identifier): Use ggc_alloc_string when GC'ing.
17383 (build_string): Likewise.
17384 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
17385 (tree_cons): Likewise.
17386 (build1): Likewise.
17387 (type_hash_canon): Don't call obstack_free when GC'ing.
17389 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
17391 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
17392 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
17394 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
17395 Bernd Schmidt <bernds@cygnus.co.uk>
17396 Mark Mitchell <mark@codesourcery.com>
17398 * Makefile.in (stor-layout.o): Depend on ggc.h.
17399 (expr.o): Depend on ggc.h.
17400 (profile.o): Depend on ggc.h.
17401 (stor-layout.o): Depend on ggc.h.
17402 * emit-rtl.c (init_emit_once): Add gc roots.
17403 * expr.c: Include ggc.h.
17404 (emit_block_move): Add gc roots.
17405 (clear_storage): Likewise.
17406 * expr.h (init_stor_layout_once): New function.
17407 * profile.c: Include ggc.h.
17408 (init_arc_profiler): profiler_label is a root.
17409 * scan.c (make_sstring_space): Trust xrealloc to function
17410 correctly with first parameter NULL.
17411 * stor-layout.c: Include ggc.h.
17412 (set_sizetype): Add gc root.
17413 (init_stor_layout_once): New function.
17414 * toplev.c (compile_file): Call it.
17416 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
17417 Bernd Schmidt <bernds@cygnus.co.uk>
17418 Mark Mitchell <mark@codesourcery.com>
17420 * Makefile.in (tree.o): Depend on ggc.h.
17421 (varasm.o): Likewise.
17422 (function.o): Likewise.
17423 (stmt.o): Likewise.
17424 (except.o): Likewise.
17425 (optabs.o): Likewise.
17426 (emit-rtl.o): Likewise.
17427 * emit-rtl.c: Include ggc.h.
17428 (sequence_element_free_list): Remove, and all references.
17429 (mark_sequence): New functions.
17430 (mark_emit_state): New function.
17431 * except.c: Include ggc.h.
17432 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
17433 (mark_tree_label_node): New functions.
17434 (mark_eh_state): New function.
17435 * function.c: Include ggc.h.
17436 (mark_temp_slot, mark_function_chain): New functions.
17437 (mark_function_state): New function.
17438 (init_function_once): New function.
17439 * function.h (init_function_once): New function.
17440 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
17441 * ggc.h (label_node): Declare.
17442 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
17443 (lang_mark_false_label_stack): New function.
17444 (mark_temp_slot): Remove declaration.
17445 (mark_function_chain): Likewise.
17446 (mark_eh_state): Adjust prototype.
17447 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
17449 * optabs.c: Include ggc.h.
17450 (mark_optab): New function.
17451 (init_optabs): Add gc roots.
17452 * stmt.c: Include ggc.h.
17453 (mark_cond_nesting, mark_loop_nesting): New functions.
17454 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
17455 (mark_stmt_state): New function.
17456 * toplev.c (compile_file): Call init_function_once.
17457 * tree.c: Include ggc.h.
17458 (type_hash): Move declaration earlier in file.
17459 (TYPE_HASH_SIZE, type_hash_table): Likewise.
17460 (init_obstacks): Add gc roots.
17461 (mark_type_hash): New function.
17462 * varasm.c: Include ggc.h.
17463 (mark_pool_constant): New function.
17464 (mark_varasm_state): New function.
17466 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17468 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
17470 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17472 * c-decl.c (struct language_function): Renamed from struct c_function.
17474 (c_function_chain): Delete.
17475 (push_c_function_context): New arg F. Don't warn about nested
17476 functions here. Fill LANGUAGE elt of F. Delete code to update
17477 c_function_chain. Don't call push_function_context.
17478 (pop_c_function_context): New arg F. Restore from there instead of
17479 from c_function_chain. Don't call pop_function_context. Clear out
17480 LANGUAGE field of F when done.
17481 * c-lang.c: Include "function.h"
17482 (lang_init): Initialize save_lang_status and restore_lang_status.
17483 * c-parse.in (nested_function, nested_function_notype): Warn about
17484 nested functions. Call push_function_context/pop_function_context
17485 instead of the _c_ variants.
17486 * c-tree.h (push_c_function_context, pop_c_function_context): Update
17488 * Makefile.in (c-lang.o): Update dependencies.
17490 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
17491 regno_pointer_flag, regno_pointer_align.
17492 (gen_reg_rtx): Use xrealloc to enlarge them.
17493 (free_emit_status): New function.
17494 * function.c (mark_machine_status, mark_lang_status): New variables.
17495 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
17496 in some bits from assign_stack_local. All callers changed to use new
17498 (assign_stack_local): Just call assign_stack_local_1.
17499 (free_after_compilation): New function.
17500 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
17501 (trampoline_address): Likewise.
17502 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
17503 (prepare_function_start): Explicitly clear some more variables.
17504 * function.h (struct function): New elt can_garbage_collect.
17505 (mark_machine_status, mark_lang_status): Declare variables.
17506 (free_after_compilation, free_emit_status, free_varasm_status,
17507 init_varasm_status): Declare functions.
17508 * toplev.c (rest_of_compilation): Call free_after_compilation when
17509 done with the current function.
17510 * varasm.c (free_varasm_status): New function.
17512 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
17514 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
17515 (EXPAND_BUILTIN_VA_ARG): Define.
17516 * sparc.c (sparc_va_start): New.
17517 (sparc_va_arg): New.
17519 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17521 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
17523 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17525 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
17527 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
17529 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
17530 (OBJS): Add $(GGC).
17531 (ggc-callbacks.o): New target.
17532 * ggc-callbacks.c: New file.
17534 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17536 * expr.h: Collapse individual optab and libfunc vars to arrays.
17537 (optab_index, libfunc_index): New enumerations.
17538 (optab_table, libfunc_table): New arrays.
17539 Add accessor macros for both.
17541 * optabs.c (optab_table, libfunc_table): New.
17542 Delete declarations for individual optab and libfunc vars.
17544 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
17546 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
17548 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17550 * Makefile.in (GGC, GGC_LIB): New.
17551 (HOST_RTL): Include ggc-none.o.
17552 (ggc-simple.o): New target.
17553 (ggc-none.o): Likewise.
17554 * tree.h (tree_common): Add gc_mark.
17555 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
17556 (struct rtvec_def): Add gc_mark.
17557 * emit-rtl.c (global_rtl): Update static initializers to contain
17558 enough initializers.
17559 * ggc.h, ggc-none.c, ggc-simple.c: New files.
17560 * toplev.c (gc_time): New variable.
17561 (all_time): New variable.
17562 (compile_file): Print gc time.
17563 (print_time): Calculate percentage of the whole.
17565 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17567 Change obstack memory management and varasm constant pool handling so
17568 that nested functions are treated like any other functions.
17569 * function.c (init_machine_status): New variable.
17570 (push_function_context_to): Set contains_functions for the outer
17571 function. Don't call save_varasm_status.
17572 (pop_function_context_from): Don't call restore_varasm_status. Don't
17573 set current_function_contains_functions.
17574 (prepare_function_start): Call init_varasm_status rather than
17575 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
17577 * function.h (struct function) Add field varasm. Delete fields
17578 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
17579 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
17580 (init_machine_status): Declare.
17581 (save_varasm_status, restore_varasm_status): Delete declarations.
17582 (save_tree_status, restore_tree_status): Delete last argument.
17583 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
17584 code. All callers changed.
17585 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
17586 save_constants_in_decl_trees, restore_constants, save_constants,
17587 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
17589 (inlining): New variable.
17590 (reg_map, label_map, insn_map, orig_asm_operands_vector,
17591 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
17593 (save_for_inline_nocopy): Don't save constants.
17594 Don't set inl_emit field in current_function.
17595 (expand_inline_function): Use emit field, not inl_emit, of the inlined
17596 function. Set new variable inlining before
17597 calling copy_rtx_and_substitute.
17598 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
17599 constant pool references if inlining is nonzero.
17600 Delete ADDRESS and (most of the) CONST cases.
17601 (output_inline_function): Save and restore current_function/
17602 current_function_decl. Delete restore_constants code. Don't call
17603 init_const_rtx_hash_table.
17604 * output.h (init_const_rtx_hash_table): Don't declare.
17605 * rtl.h (struct function): Declare.
17606 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
17607 * toplev.c (rest_of_compilation): Don't treat nested functions or
17608 functions containing them specially. Delete all code to deal with
17609 save_for_inline_copying.
17610 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
17611 inline_obstacks): Delete variables.
17612 (save_tree_status): Lose arg CONTEXT. All callers changed.
17613 Simply allocate a new function_maybepermanent_obstack for the new
17614 function, delete all the special cases.
17615 Don't save inline_obstacks.
17616 (restore_tree_status): Lose arg CONTEXT. All callers changed.
17617 Delete special handling for function_maybepermanent_obstack; simply
17619 Don't restore inline_obstacks.
17620 (permanent_allocation): Delete code that frees inline_obstacks.
17621 (print_inline_obstack_statistics): Delete function.
17622 (dump_tree_statistics): Don't call it.
17623 * varasm.c (struct varasm_status): New.
17624 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
17625 last_pool, pool_offset, const_double_chain): Delete global
17626 variables, replace with accessor macros.
17627 (immed_double_const): Don't walk const_double_chain outside a
17628 function, but don't treat nested functions specially anymore.
17629 (immed_real_const_1): Likewise.
17630 (clear_const_double_mem): Don't treat nested functions specially.
17631 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
17632 (save_varasm_status, restore_varasm_status): Delete functions.
17633 (init_varasm_status): New function.
17634 (force_const_mem): Don't treat nested functions specially.
17635 (find_pool_constant): Accept new arg F, search for constants in
17636 that function's pool rather than the current one. All callers
17638 (get_pool_constant_for_function, get_pool_mode_for_function): New
17641 * i386.c (init_386_machine_status): New function, mostly from
17642 clear_386_stack_locals.
17643 (struct machine_functions): Rename element names to avoid name
17645 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
17646 macros, replacing global variables.
17647 (clear_386_stack_locals, save_386_machine_status,
17648 restore_386_machine_status): Delete functions.
17649 (override_options): Initialize init_machine_status.
17650 * i386.h (INIT_EXPANDERS): Delete macro.
17651 (save_386_machine_status, restore_386_machine_status,
17652 clear_386_stack_locals): Delete declarations.
17654 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17656 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
17657 (doloop_begin): Simplify pattern and use emit_jump_insn.
17658 (doloop_end): Simplify pattern, switch operand order,
17659 and use emit_jump_insn.
17661 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17663 * function.h (struct function): Add new element LANGUAGE.
17664 (save_lang_status): Declare new variable.
17665 (restore_lang_status): Likewise.
17666 * function.c (save_lang_status): Define.
17667 (restore_lang_status): Likewise.
17668 (push_function_context_to): Call language-specific save function.
17669 (pop_function_context_from): Call language-specific restore function.
17671 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17673 * i386.md (movsf_1): Check REG_P before use of REGNO.
17674 (movdf_1): Likewise.
17675 (movxf_1): Likewise.
17676 (extendsfdf2): Likewise.
17677 (extendsfxf2): Likewise.
17678 (extenddfxf2): Likewise.
17680 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17682 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
17683 constants into memory.
17684 (c4x_shiftable_constant): New function.
17685 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
17686 (c4x_shiftable_constant): Declare.
17687 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
17688 ashlqi3_noclobber): Add new patterns and associated splitters.
17690 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
17692 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
17693 * dwarf2out.c (dwarf2out_frame_init): Likewise.
17694 * final.c (shorten_branches): Likewise.
17695 * global.c (global_alloc): Likewise.
17696 * haifa-sched.c (build_control_flow): Likewise.
17697 * stmt.c (check_for_full_enumeration_handling): Likewise.
17698 (estimate_case_costs): Likewise.
17700 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
17702 * rtl.h (RTL_CHECKC2): Fix typo in last change.
17704 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
17706 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
17707 (recompute_reg_usage): Likewise.
17708 * rtlanal.c (find_regno_fusage): Likewise.
17710 * rtl.c (rtl_check_failed_code1): New function.
17711 (rtl_check_failed_code2): New.
17712 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
17713 (RTL_CHECKC1, RTL_CHECKC2): New.
17714 (XC*): New accessor macros.
17715 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
17716 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
17717 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
17718 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
17719 (TRAP_*, RANGE_INFO_*): Likewise.
17721 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17723 * Makefile.in (tlink.o): Don't depend on toplev.h.
17725 * collect2.c (c_file, o_file, export_file, import_file, ldout,
17726 output_file, nm_file_name, ldd_file_name, strip_file_name,
17727 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
17728 add_prefix, prefix_from_env, prefix_from_string, do_wait,
17729 fork_execute, maybe_unlink, add_to_list,
17730 extract_init_priority, write_list, dump_list,
17731 dump_prefix_list, write_list_with_asm, write_c_file,
17732 write_c_file_stat, write_c_file_glob, scan_prog_file,
17733 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
17734 ignore_library, extract_string, notice, dump_file, target_machine,
17735 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
17736 read_file, print_load_command): Constify a char*.
17737 (fdopen, error, fatal, fatal_perror): Don't prototype.
17738 (my_strerror): Remove. All callers use xstrerror instead.
17739 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
17740 (main): Add prototype. Constify lots of char* ptrs. Change calls
17741 to xcalloc/strcpy/strcat/... to one call to concat.
17742 (main, scan_prog_file, scan_libraries): Use an intermediate
17743 `const char **' to build an argv array.
17744 (mapfile, libselect, libcompare, locatelib): Add prototypes.
17746 * collect2.h (collect_execute, collect_wait, dump_file,
17747 file_exists): Constify a char*.
17748 (ldout, c_file_name, temporary_obstack, permanent_obstack,
17749 temporary_firstobj, vflag, debug): Add extern declarations.
17750 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
17752 * tlink.c: Don't include toplev.h.
17753 (vflag, debug, ldout, c_file_name, temporary_obstack,
17754 permanent_obstack, temporary_firstobj): Don't declare.
17755 (tlink_execute, frob_extension, symbol_hash_lookup,
17756 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
17757 recompile_files, read_repo_files, demangle_new_symbols,
17758 scan_linker_output): Constify a char*.
17759 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
17760 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
17762 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
17764 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
17765 (relative) rather than jsr (absolute) subroutine call insns.
17766 * config/m68k/m68k-coff.h: Ditto.
17768 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
17770 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
17771 now rework these too.
17772 (arm_reorg): If an insn can't reach the end of the current pool,
17773 ensure that we emit that pool before the insn.
17775 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
17777 * tlink.c (scan_linker_output): Skip the initial underscore in
17778 a mangled name if appropriate.
17780 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17782 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
17783 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
17784 error_with_ivar, gen_declarator, create_builtin_decl,
17785 my_build_string, generate_descriptor_table, generate_ivars_list,
17786 generate_dispatch_table, check_protocols, TAG_GETCLASS,
17787 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
17788 dump_base_name, lang_decode_option, build_encode_expr,
17789 start_class, finish_class, encode_pointer, really_start_method,
17790 gen_declaration, dump_interface, handle_class_ref, handle_impent):
17792 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
17793 Add static prototypes.
17794 (build_objc_string_decl, build_selector_reference_decl,
17795 encode_bitfield, build_class_reference_decl): Remove unused
17796 parameter, all callers changed.
17797 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
17798 (objc_printable_name): Likewise. Change second parameter to type int.
17799 (init_objc): Use memcpy, not bcopy, to avoid casts.
17801 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
17803 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
17804 reg notes on a deleted insn.
17805 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
17807 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
17809 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
17811 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17813 * stmt.c (expand_asm_operands): Fix index into inout_mode when
17816 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
17818 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
17819 * tm.texi (MD_ASM_CLOBBERS): Document it.
17821 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
17823 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
17824 * except.c (expand_rethrow): Remove unused variable.
17825 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
17826 * flow.c (replace_insns): Likewise.
17827 (create_edge_list, verify_edge_list): Likewise.
17828 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
17830 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
17831 is special code to run.
17832 (main): Don't define operands to emit_operand.
17833 * genrecog.c (main): Don't emit an empty peephole2_insn function.
17835 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
17837 * alpha/alpha.h (normal_memory_operand): Declare.
17838 (reg_no_subreg_operand): Declare.
17839 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
17841 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
17843 * c-parse.in (compstmt_primary_start): New, broken out of first
17844 part of compstmt handling in primary.
17845 (primary): Use it. Add an error clause.
17846 (compstmt_nostart): Renamed from compstmt; remove all
17847 initial invocations of compstmt_start.
17850 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
17852 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
17855 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
17857 * combine.c (simplify_shift_const): Remove extra semicolon.
17858 * dwarf2out.c (remove_AT): Likewise.
17859 * expmed.c (expand_mult): Likewise.
17860 * gcov.c (create_program_flow_graph): Likewise.
17861 * reorg.c (mostly_true_jump): Likewise.
17863 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
17865 * fold-const.c (fold_range_test): Do not try to fold the range
17866 test if the rhs or lhs has side effects.
17868 * combine.c (simplify_rtx): Recognize another case of a synthesized
17871 * varasm.c (mark_constant_pool): When marking indirect references,
17872 only look at SYMBOL_REFs.
17874 * except.c (expand_fixup_region_end): Do not peek at
17875 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
17877 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
17879 * flags.h: New variables align_loops, align_loops_log,
17880 align_jumps, align_jumps_log, align_labels, align_labels_log,
17881 align_functions, align_functions_log.
17882 * toplev.c: Define them.
17883 (f_options): Handle -falign-* when they have no argument.
17884 (main): Add logic to set variables for -falign-functions,
17885 -falign-jumps, -falign-labels, -falign-loops.
17886 Make it -fsched-verbose=<n> and -finline-limit=<n>.
17887 (display_help): Change help to match options.
17888 * final.c (LABEL_ALIGN): Default to align_labels_log.
17889 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
17890 (LOOP_ALIGN): Default to align_loops_log.
17891 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
17892 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
17893 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
17894 * varasm.c (assemble_start_function): Handle align_functions.
17896 * config/sparc/sparc.h: Don't declare sparc_align_*.
17897 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
17898 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
17900 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
17902 * config/sparc/sparc.c: Delete sparc_align_loops,
17903 sparc_align_jumps, sparc_align_funcs and the corresponding string
17905 (sparc_override_options): Default align_functions on ultrasparc.
17906 Delete -malign-* handling.
17908 * config/mips/mips.c (override_options): On 64-bit targets,
17909 try to align code to 64-bit boundaries.
17910 (print_operand): New substitution, %~,
17911 which aligns labels to align_labels_log.
17912 * config/mips/mips.md (div_trap_normal): Use %~.
17913 (div_trap_mips16): Likewise.
17915 (absdi2): Likewise.
17916 (ffssi2): Likewise.
17917 (ffsdi2): Likewise.
17918 (ashldi3_internal): Likewise.
17919 (ashrdi3_internal): Likewise.
17920 (lshrdi3_internal): Likewise.
17921 (casesi_internal): Likewise.
17923 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
17925 Merge new ia32 backend from the branch!
17927 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
17928 See ChangeLog.P2 on new_ia32_branch for details.
17930 * rtl.h (stack_regs_mentioned_p): Delete prototype.
17931 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
17932 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
17933 * i386/gas.h (ASM_FILE_START): Define.
17934 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
17935 for name change of ix86_valid_decl_attribute_p.
17936 (i386_pe_valid_type_attribute_p): Similarly.
17938 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
17940 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
17941 to step through CC modes.
17943 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17945 * regmove.c (fixup_match_1): Don't move INSN in front of P if
17946 it would end up in the shadow of a live flags regsiter.
17948 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17950 * reload1.c: Fix many indentation problems.
17951 * reload.c: Likewise.
17953 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
17955 * alias.c (non_local_reference_p): Constify fmt.
17957 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
17959 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
17961 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
17963 * cse.c (delete_trivially_dead_insns): Do not delete stores to
17964 the internal_arg_pointer.
17966 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
17968 Merge peephole2 from new_ia32_branch:
17969 * Makefile.in (STAGESTUFF): Add *.peephole2.
17970 (mostlyclean): Likewise.
17971 (recog.o): Depend on resource.h.
17973 * final.c (peephole): Conditionalize decl on HAVE_peephole.
17974 (final_scan_insn): Likewise for the invocation of peephole.
17975 * genconfig.c (main): Look for peephole and peephole2 patterns.
17976 Emit HAVE_peephole* accordingly.
17977 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
17978 * flags.h (flag_peephole2): Declare.
17979 * toplev.c: New pass peephole2. New flag -fpeephole2.
17981 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
17982 * gencodes.c (main): Likewise.
17983 * genextract.c (main): Likewise.
17984 * genoutput.c (main): Likewise.
17985 * genemit.c (max_operand_1): Look for the max scratch operand.
17986 (gen_rtx_scratch): New.
17987 (gen_exp): Use it, and pass on new arg subroutine_type.
17988 (gen_expand): Take max scratch into account.
17989 (gen_split): Emit peephole2 functions.
17990 (output_peephole2_scratch): New.
17991 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
17992 * genrecog.c (routine_type): Add PEEPHOLE2.
17994 (make_insn_sequence): Match outer parallel for peep2. Discard
17995 top level scratches and dups.
17996 (add_to_sequence): New args insn_type and top. Update all callers.
17997 Handle toplevel peep2 matching insns.
17998 (write_subroutine): Handle peep2.
17999 (write_tree_1): Likewise.
18000 (write_tree): Likewise.
18002 (change_state): New arg afterward. Update all callers.
18003 Handle matching separate insns.
18004 * recog.c (recog_next_insn): New.
18005 (peephole2_optimize): New.
18006 * rtl.def (DEFINE_PEEPHOLE2): New.
18007 * resource.c (find_free_register): New argument last_insn. Use it
18008 to find a register available through the entire span.
18009 * resource.h (find_free_register): Update prototype.
18011 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
18013 * i386.c (output_strlen_unroll): Don't write xops[7]
18014 label if it wasn't set.
18016 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
18018 * cpplib.c (struct directive): Const-ify name pointer and
18019 function pointer prototype.
18020 (validate_else, do_define, do_line, do_include, do_undef,
18021 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
18022 do_elif, do_endif, do_sccs, do_assert, do_unassert,
18023 do_warning): Const-ify second arg.
18024 (directive_table): Mark const. Reorder entries by frequency
18025 of usage, record statistics.
18027 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
18029 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
18030 bounds- check RTL accesses if --enable-checking.
18031 (RTVEC_ELT): Bounds check if --enable-checking.
18032 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
18033 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
18034 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
18036 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
18037 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
18039 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
18040 (NOTE_SOURCE_FILE): Use X0STR.
18041 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
18042 MEM_ALIAS_SET): Use X0INT.
18043 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
18044 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
18046 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
18047 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
18048 (rtl_check_failed_bounds, rtl_check_failed_type1,
18049 rtl_check_failed_type2, rtvec_check_failed_bounds): New
18051 (fancy_abort): Fix comment.
18053 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
18054 (cse_insn): Decrement LABEL_NUSES for jump target before
18055 deleting jump insn.
18056 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
18057 * final.c (alter_subreg): Compute regno before changing x to
18058 REG; set REGNO(x) after changing it.
18059 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
18060 notes containing CONST_INTs.
18061 (delete_eh_regions): Use NOTE_EH_HANDLER.
18062 * function.c (put_reg_into_stack): Make reg a MEM before
18064 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
18066 (gen_mem_addressof): Make reg a MEM before initializing it.
18067 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
18069 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
18070 deleting an insn, not after.
18071 (block_alloc): Only look at PATTERN(insn) if we have to, and
18072 only if it's format class 'i'.
18073 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
18074 CONST_INT before using its INTVAL.
18075 * print-rtl.c (print_rtx): Use X0STR.
18076 * regmove.c (fixup_match_1): Don't look at PATTERN of
18077 non-class-'i' insn chain elements.
18078 * reload.c (loc_mentioned_in_p): Take address of
18079 in->fld[1].rtx directly.
18080 * reload1.c (reload): Change reg to a MEM before initializing
18082 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
18084 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
18086 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
18088 * config/mips/mips.c (machine_dependent_reorg): Force a
18089 barrier to output the local constant pool if a barrier hasn't
18090 been found at a natural point in the instruction stream.
18092 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18094 * c-parse.in (language_string): Constify.
18096 * dwarf2out.c (language_string): Remove declaration.
18098 * dwarfout.c (language_string): Likewise.
18100 * toplev.c (language_string, init_parse, finish_parse): Likewise.
18102 * tree.h (language_string, init_parse, finish_parse): Declare.
18104 * i386/sun386.h (language_string): Remove declaration.
18106 * mips.h (language_string): Likewise.
18108 * nextstep.h (language_string): Likewise.
18110 * nextstep21.h (language_string): Likewise.
18112 * rs6000.c (language_string): Likewise.
18114 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18116 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
18117 (getpwd.o): Remove target.
18119 * getpwd.c: Delete file. Its in libiberty now.
18121 * dbxout.c (getpwd): Don't prototype.
18122 * dwarf2out.c (getpwd): Likewise
18123 * dwarfout.c (getpwd): Likewise
18124 * final.c (getpwd): Likewise.
18125 * protoize.c (getpwd): Likewise.
18127 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18129 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
18131 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18133 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
18134 mark_set_resources.
18136 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
18138 * fixinc/Makefile.in (subdir): New.
18139 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
18142 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
18144 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
18145 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
18148 * invoke.texi: Fix typo.
18150 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
18151 changed. Handle autoincrement addressing modes.
18153 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
18154 just like we would the virtual incoming args register when
18157 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
18159 * rs6000.h (ASM_FILE_START): Specify complete filename, including
18160 path, in .file directive.
18162 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
18164 * gcc.texi (External Bugs): Remove obsolete note about Perl on
18167 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
18169 * stdbool.h: Make the typedef name _Bool, with bool a #defined
18172 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18174 * tree.c (tree_code_name): Constify a char*.
18176 * tree.h (tree_code_name, decl_printable_name): Likewise.
18178 * function.h (struct function): Likewise.
18180 * toplev.c (decl_name, decl_printable_name): Likewise.
18182 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
18184 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
18185 (init_objc): Remove function pointer cast.
18187 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18189 * pa.md (interspace_jump): New pattern.
18190 (builtin_longjmp): New expander.
18192 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
18194 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
18195 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
18196 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
18198 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
18200 * jump.c (delete_prior_computation): Also check calls
18201 to constant functions. Don't bother checking for a
18202 REG_UNUSED note before adding it.
18203 (delete_computation): Handle multi-word hard registers
18204 when synthesizing missing REG_DEAD notes for a register
18205 which is both set and used by an insn.
18207 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18209 * loop.c (this_loop_info): New variable.
18210 (loop_has_call, loop_has_volatile, loop_has_tablejump,
18211 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
18213 (prescan_loop, strength_reduce): New argument loop_info. All callers
18215 (scan_loop): New variable loop_info, initialise to address of
18217 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
18218 Delete variable loop_has_multiple_exit targets and replace with
18219 field in this_loop_info.
18220 (find_and_verify_loops): Rename this_loop to this_loop_num.
18221 (strength_reduce): Delete loop_iteration_info. Replace variable
18222 loop_info with function argument of same name.
18223 (insert_bct): Rework test for loop being completely unrolled.
18225 * loop.h (struct loop_info): New fields num, loops_enclosed,
18226 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
18227 has_indirect_jump, and cont. Redefine use of unroll_number.
18228 (loop_unroll_number): Delete.
18230 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
18231 field of loop_info.
18232 (loop_iterations): Delete variable vtop and instead use
18233 loop_info->vtop computed in prescan_loop.
18235 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
18237 * fix-header.c (main): Do not pass a null pointer to strcmp.
18239 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
18241 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
18243 * configure: Rebuilt.
18245 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
18247 * jump.c (jump_optimize_1): Do not delete assignments to
18248 internal_arg_pointer.
18249 * cse.c (delete_trivially_dead_insns): Always consider a set of
18250 the internal_arg_pointer live.
18252 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
18254 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
18255 (update_life_info) [REG_WAS_0]: Search the original insns rather
18256 than the new insns for the note. Fix typos finding note_dest.
18257 If no dest found, discard the note rather than abort.
18258 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
18259 (replace_insns): Remove the old insn list after update_life_info
18262 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
18264 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
18265 sched_analyze_insn.
18266 (sched_analyze_1): Let add_dependence care for not adding dups.
18267 (sched_analyze_2): Likewise.
18268 (add_branch_dependences): Likewise.
18270 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
18272 * i386/winnt.c (export_list): New type.
18273 (exports_head): Rename to
18274 (export_head): this.
18275 (i386_pe_record_exported_symbol): Add is_data flag.
18276 (i386_pe_asm_file_end): Emit directive for exported variables.
18277 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
18279 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
18280 (ASM_DECLARE_OBJECT_NAME): Likewise.
18281 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18282 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
18284 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
18286 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
18288 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
18291 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
18293 * config/openbsd.h: Define SET_ASM_OP.
18294 * tm.texi: cross-reference SET_ASM_OP in the index.
18296 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
18298 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
18299 for a CONST_DOUBLE, at compile time. Initialize rtx_length
18300 and class_narrowest_mode at compile time. Kill init_rtl.
18301 Mark rtx_length, mode_class, mode_size, mode_unit_size,
18302 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
18303 rtx_format as const. Kill all references to EXTRA_CC_MODES or
18305 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
18307 * rtl.h: Declare rtx_length and rtx_format as const.
18308 * machmode.def: Define CC(). Use CC() to define CCmode. If
18309 EXTRA_CC_MODES is defined, expand it here.
18310 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
18311 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
18312 const. Kill all references to EXTRA_CC_MODES.
18314 * toplev.c: Don't prototype or call init_rtl.
18315 * optabs.c: Don't call init_mov_optab.
18316 * genemit.c: Don't generate init_mov_optab. Don't call
18318 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
18320 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
18321 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
18322 genrecog.c: Don't call init_rtl.
18324 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
18325 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
18326 definition of EXTRA_CC_MODES.
18328 * md.texi: Kill ref to EXTRA_CC_NAMES.
18329 * tm.texi: Document new way to define EXTRA_CC_MODES.
18331 * genrecog.c: Do not look up the name of a define_split.
18332 (Unrelated bugfix.)
18334 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
18336 * config/v850/v850.md: Fix typo introduced by previous delta.
18338 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18340 * gcc.c (fatal): Make definition static to match prototype.
18342 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18344 * combine.c (get_last_value): Don't look for earlier sets if the last
18345 known set is somewhere in between the insns being combined.
18347 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
18349 * configure.in: Don't use shell ! to negate exit codes
18350 * configure: Regenerate
18352 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
18354 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
18355 the fact that ALIGN is measured in bits, not bytes.
18357 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
18359 * errors.c: New file; defines functions error, warning, and
18360 fatal, variables have_error and progname.
18361 * errors.h: New file; prototypes and decls for stuff in errors.c.
18363 * Makefile: Add rules to build errors.o and
18364 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
18365 genopinit, genrecog, genextract, genpeep, genattr, and
18366 genoutput with errors.o. Add errors.h to deps of genconfig.o,
18367 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
18368 genpeep.o, genattr.o, and genoutput.o.
18370 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
18371 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
18372 define or prototype fatal. Set progname at beginning of main.
18373 * genoutput.c: Likewise, and don't define or prototype error
18376 * c-typeck.c (c_expand_start_case): Return immediately if exp
18378 * fold-const.c (operand_equal_p): Return immediately if arg1
18379 or arg0 are ERROR_MARKs.
18380 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
18381 fields of type ERROR_MARK when calculating if the record can
18384 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
18385 with much help from Jeffrey A Law and Richard Henderson
18387 * i386.md: In the 6 insns which call output_fix_trunc,
18388 earlyclobber operands[0].
18390 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
18392 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
18393 creating new registers.
18395 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
18397 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
18398 i386_reg_alloc_order, i386_regparm_string,
18399 i386_align_loops_string, i386_align_jumps_string,
18400 i386_align_funcs_string, i386_preferred_stack_boundary_string,
18401 and i386_branch_cost_string as type "const char *".
18402 * i386.c: Define all above strings as type "const char *".
18404 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
18406 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
18407 when emitting alignment padding. Emit padding byte of 0 instead of 4.
18409 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18411 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
18412 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
18414 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
18416 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
18417 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
18418 (dwarf2out_line, dwarf2out_finish): Likewise.
18419 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
18421 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18423 * tree.c (lang_unsave_expr_now) : Correct return type.
18424 * tree.h (lang_unsave_expr_now) : Same.
18426 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
18428 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
18429 instead of duplicating code.
18431 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18433 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
18435 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
18437 * tree.h: fancy_abort always takes three args.
18438 * resource.c: Move include of system.h before toplev.h.
18440 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
18442 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
18445 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
18447 * system.h: Don't redefine abort or trim_filename.
18448 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
18449 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
18450 whether or not __FUNCTION__ is available.
18451 * tree.h: Duplicate rtl.h's definition of abort, for files
18452 that don't include rtl.h. Delete all code to perform type
18453 checking with a compiler other than GCC.
18454 * varray.h: Delete all code to perform type checking with a
18455 compiler other than GCC. Make VARRAY_CHECK() always evaluate
18456 its arguments exactly once, using a statement expression.
18457 Adjust the VARRAY_<type> accessor macros to match.
18458 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
18459 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
18460 caller's location. Define fatal_insn and fatal_insn_not_found
18461 as macros that use _fatal_insn and _fatal_insn_not_found.
18462 (fancy_abort, trim_filename): Kill prototypes.
18464 * rtl.c (trim_filename): Move here from toplev.c.
18465 (fancy_abort): New function.
18466 (DIR_SEPARATOR): Provide default definition.
18467 * tree.c (tree_check_failed, tree_class_check_failed): Go
18468 through fancy_abort.
18469 (tree_check, tree_class_check, cst_or_constructor_check,
18470 expr_check): Delete.
18471 * varray.c (varray_check_failed): New function.
18472 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
18473 _fatal_insn and _fatal_insn_not_found. Go through
18475 (trim_filename, fancy_abort): Delete.
18477 * builtins.c (expand_builtin_args_info): Report ICE with abort.
18478 * except.c (start_catch_handler): Report ICE with error/abort
18480 * final.c (output_operand_lossage): Likewise.
18481 * flow.c (verify_flow_info): Likewise.
18483 * gcc.c: Prototype fatal.
18484 * gengenrtl.c: Undef abort after including rtl.h not system.h.
18485 * genattr.c, genattrtab.c, genemit.c, genextract.c,
18486 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
18487 Don't define fancy_abort.
18489 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
18491 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
18494 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
18496 * m88k.h (VERSION_INFO2): Kill.
18497 (VERSION_STRING): Kill.
18499 (VERSION_INFO1): Tidy.
18500 (TARGET_VERSION): Update.
18501 * m88k/dgux.h (VERSION_INFO2): Kill.
18502 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
18503 * m88k/luna.h (VERSION_INFO1): Tidy.
18504 * m88k/sysv4.h (VERSION_INFO1): Likewise.
18505 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
18506 (output_file_start): Adjust for death of VERSION_STRING.
18508 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
18510 * cpplib.c (detect_if_not_defined): New function.
18511 (do_if): Use it to detect potential once-only headers.
18513 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
18515 * c-common.c (combine_strings): Always set TREE_CONSTANT.
18517 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18519 * combine.c (nonzero_bits) : Allow single-ly set registers to be
18520 anywere in the function only if they are pseudos and set before
18521 being used (not live at the start of the function).
18522 (num_sign_bit_copies) : Same.
18523 (get_last_value_validate) : Same.
18524 (get_last_value) : Same.
18526 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
18528 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
18529 where N and M are constant and N is an integer multiple of M.
18531 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18533 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
18534 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
18535 sbitmap_union_of_preds): Add prototypes.
18536 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
18537 the intersection of successors with the new flow graph structures.
18538 (sbitmap_intersection_of_preds): New function to compute the
18539 intersection of predecessors with the new flow graph structures.
18540 (sbitmap_union_of_succs): New function to compute the union of
18541 successors with the new flow graph structures.
18542 (sbitmap_union_of_preds): New function to compute the union of
18543 predecessors with the new flow graph structures.
18544 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
18545 (expr_reaches_here_p): Use edge and basic_block structures instead
18546 of s_preds and s_succs.
18547 (compute_cprop_avinout): Use new sbitmap routines.
18548 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
18549 of s_preds and s_succs.
18550 * flow.c (compute_flow_dominators): Compute dominators using
18551 edges and basic blocks instead of s_preds and s_succs.
18553 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18555 * lists.c (unused_insn_list, unused_expr_list): New file for
18556 maintaining various types of lists. New statics for maintaining a
18557 cache of available INSN_LIST and EXPR_LIST nodes.
18558 (free_list): Static function for freeing a list of INSN/EXPR nodes.
18559 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
18560 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
18561 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
18562 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
18563 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
18564 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
18565 (free_INSN_LIST_node): Free an individual INSN_LIST node.
18566 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
18567 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
18568 (remove_dependence, free_pending_lists): Use new global routines.
18569 (flush_pending_lists, sched_analyze_insn): Use new global routines.
18570 (sched_analyze, compute_block_backward_dependences): Use new routines.
18571 (sched_analyze_1, sched_analyze_2): Use new routines.
18572 (schedule_insns): Use new global routines.
18573 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
18575 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
18576 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
18578 * toplev.c (rest_of_compilation): Initialize node cache.
18579 * Makefile.in (OBJS): Add lists.o to list of object files.
18580 (lists.o): Add dependancies.
18582 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
18584 * config/v850/v850.md: Fix compile time warning messages.
18585 * config/v850/v850.c: Fix compile time warning messages.
18586 * config/v850/v850.h: Fix compile time warning messages.
18588 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18590 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
18591 Remove unused prototype for `init_lengths'.
18593 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18595 * calls.c (emit_call_1): Mark parameter `stack_size' with
18597 (expand_call): Initialize variable `insn'.
18598 (emit_library_call): Likewise for variable `high_to_save'.
18599 (emit_library_call_value): Likewise.
18600 (store_one_arg): Likewise for variables `lower_bound' and
18603 * combine.c (try_combine): Likewise for variables `i2_code_number'
18604 and `other_code_number'.
18605 (find_split_point): Likewise for variables `pos', `unsignedp' and
18607 (simplify_if_then_else): Likewise for variables `op' and `c1'.
18608 (simplify_and_const_int): Remove unused variable `width'.
18609 (merge_outer_ops): Likewise.
18611 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
18612 HOST_WIDE_INT' when comparing against one.
18613 (simplify_relational_operation): Likewise.
18614 (cse_insn): Initialize variables `src_eqv_volatile',
18615 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
18617 * final.c (init_final): Constify parameter `filename'.
18618 (final_start_function): Mark parameter `optimize' with
18620 (profile_function): Likewise for parameters `first' and `optimize'.
18621 (output_source_line): Likewise for parameter `file'.
18623 * integrate.c (subst_constants): Cast a value to `size_t' when
18624 comparing against one.
18625 (mark_stores): Initialize variable `mode'. Cast a value to
18626 `size_t' when comparing against one.
18628 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
18630 * loop.c (move_movables): Initialize variable `first'.
18631 (strength_reduce): Likewise for variable `increment'.
18632 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
18633 value to `size_t' when comparing against one.
18634 (load_mems): Initialize variable `end_label'.
18636 * output.h (init_final): Constify parameter.
18638 * reload.c (decompose): Initialize variable `base'.
18640 * reload1.c (reload): Likewise for variable `is_scalar'.
18641 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
18642 (choose_reload_regs): Initialize variable `mode'.
18643 (emit_reload_insns): Likewise for variable `store_insn'.
18644 (reload_cse_noop_set_p): Mark parameter `insn' with
18646 (reload_combine): Initialize variable `set'.
18648 * unroll.c (unroll_loop): Likewise for variable `local_label'.
18649 (copy_loop_body): Cast a value to `size_t' when comparing against
18652 * varasm.c (assemble_variable): Initialize variable `size_tree'.
18653 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
18654 (remove_from_pending_weak_list): Mark parameter `name' with
18657 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18659 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
18662 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
18664 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
18665 (ASM_DECLARE_FUNCTION_NAME): Define.
18666 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
18667 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
18668 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
18669 not already defined.
18671 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18673 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
18674 of n_popped when call/call_value are not defined.
18676 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
18678 * tm.texi: GNU CC -> GCC conversion.
18679 (CC1_SPEC): Indicate it is used for all language front ends.
18681 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
18683 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
18684 NOTE_INSN_EH_REGION_END correctly.
18686 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18687 Jeff Law <law@cygnus.com>
18689 * loop.c (strength_reduce): Automatically unroll loops if the
18690 unrolled loop size is smaller than the rolled loop size.
18692 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
18693 and delete comment that code should be rewritten.
18695 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
18697 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
18700 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
18702 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
18704 * fixinc/mkfixinc.sh: Don't fix uwin headers.
18705 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
18706 (LINK_SPEC): Add -u _main when building executables.
18707 (ASM_DECLARE_FUNCTION): Update from Cygwin.
18708 (ASM_FILE_END): Use the default for ix86-pe.
18709 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
18711 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
18713 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
18714 and ASM_CLOSE_PAREN are empty strings.
18716 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
18717 Geoffrey Keating <geoffk@cygnus.com>
18719 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
18720 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
18721 (unprotoize.o): Ditto.
18722 (test-protoize-simple): Don't define STD_PROTO_DIR.
18723 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
18724 changes to make 'test-protoize-simple' pass.
18725 (STD_PROTO_DIR): Remove define.
18726 (STANDARD_EXEC_PREFIX): Supply default define.
18727 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
18728 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
18729 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
18730 (GET_ENV_PATH_LIST): New macro.
18731 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
18732 (do_processing): Initialize default_syscalls_dir using new
18733 macros. Use it to initialize syscalls_absolute_filename.
18735 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
18737 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
18738 B into a register before emit_conditional_move.
18740 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
18742 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
18743 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
18744 multiplicand out of (+ (* a b) (* c d)).
18746 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
18747 Richard Henderson <rth@cygnus.com>
18749 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
18750 (new_insn_dead_notes): Likewise.
18751 (update_n_sets): Likewise.
18752 (update_flow_info): Move to flow.c, renamed to update_life_info;
18753 extend to handle multiple source insns.
18754 * flow.c: Include resource.h
18755 (unlink_insn_chain): New.
18756 (split_hard_reg_notes): New.
18757 (maybe_add_dead_note): New.
18758 (maybe_add_dead_note_use): New.
18759 (find_insn_with_note): New.
18760 (new_insn_dead_notes): New.
18761 (update_n_sets): New.
18762 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
18763 (maybe_remove_dead_notes): New.
18764 (update_life_info): New.
18765 (prepend_reg_notes): New.
18766 (replace_insns): New.
18767 * output.h (update_life_info): Declare.
18768 * recog.c (split_block_insns): Use update_life_info.
18769 * resource.c (find_free_register): Use reg_alloc_order, don't use
18770 fixed regs, make sure the mode is supported, don't use new regs.
18772 * rtl.h (replace_insns): Declare.
18774 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
18776 * expr.c (expand_expr): Cope with COND_EXPRs with one
18777 non-returning branch.
18779 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
18781 * expr.c (store_expr): Always pass down the target, even when not
18784 1999-08-24 Nick Clifton <nickc@cygnus.com>
18786 * configure.in: Define target_cpu_default for v850 targets.
18787 * configure: Regenerate
18789 * config/v850/v850.h (TARGET_CPU_generic): Define.
18790 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
18791 addresses are 4 byte aligned.
18793 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
18796 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18798 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
18799 (main): Add prototypes.
18801 * genattrtab.c (substitute_address, write_const_num_delay_slots,
18802 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
18803 (write_attr_get): Emit prototypes along with function definition.
18804 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
18805 (write_complex_function): Emit static prototype along with
18806 function definition.
18808 * genemit.c (gen_split): Emit prototypes along with function
18811 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
18812 Likewise for predicates and `insn_operand_predicate'.
18813 (process_template): Emit static prototype along with function
18816 * genrecog.c (make_insn_sequence): Constify a char*. Add
18817 prototypes for get_split_*().
18818 (write_subroutine): Emit prototypes along with function
18821 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18823 * gcse.c (find_avail_set): Follow chains of register-register copies.
18824 Use oprs_not_set_p to guarantee that the returned value can be
18826 (cprop_insn): Don't verify the return value of find_avail_set with
18829 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
18830 (cprop_cc0_jump): New function.
18831 (cprop_insn): Break out new function cprop_jump and use it.
18832 Also use cprop_cc0_jump for machines with CC0.
18833 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
18835 * tree.h (current_function_calls_setjmp,
18836 current_function_calls_longjmp): Delete declarations.
18837 * dsp16xx.c: Include "function.h".
18838 * elxsi.c: Likewise.
18839 * gmicro.c: Likewise.
18840 * h8300.c: Likewise.
18841 * i370.c: Likewise.
18842 * m32r.c: Likewise.
18843 * mn10200.c: Likewise.
18844 * mn10300.c: Likewise.
18845 * ns32k.c: Likewise.
18846 * spur.c: Likewise.
18847 * v850.c: Likewise.
18849 * rtl.h (rtx_equal_function_value_matters): Declare.
18850 * toplev.c (rtx_equal_function_value_matters): Don't declare.
18852 * function.c: Likewise.
18853 * emit-rtl.c: Likewise.
18855 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
18857 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
18860 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18862 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
18865 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
18867 * cpp.texi: Add a node documenting macro varargs (copied
18870 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
18872 * cppspec.c: Put a null pointer at the end of the new argv.
18874 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
18876 * configure.in: Remove code to select/de-select the haifa
18877 scheduler. Every scheduled port gets haifa now.
18878 * configure: Rebuilt.
18879 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
18881 * Makefile.in: Corresponding changes.
18883 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18885 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
18886 All callers changed.
18887 (prepare_float_lib_cmp): Likewise.
18888 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
18889 * expr.h (emit_float_lib_cmp): Delete declaration.
18890 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
18891 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
18892 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
18894 (cmptf): Now conditional on TARGET_HARD_QUAD.
18896 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
18898 * resource.c (mark_target_live_regs): Use
18899 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
18901 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18903 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
18905 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
18907 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
18909 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18911 * rtl.h (rtx_format): Constify a char*.
18913 * rtl.c (rtx_format): Likewise.
18914 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
18915 (init_rtl): Use accessor macro, not `rtx_format'.
18917 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
18920 * caller-save.c (mark_referenced_regs): Likewise.
18922 * combine.c (subst, make_compound_operation, known_cond,
18923 gen_rtx_combine, update_table_tick, get_last_value_validate,
18924 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
18926 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
18927 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
18928 count_reg_usage): Likewise.
18930 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
18933 * final.c (leaf_renumber_regs_insn): Likewise.
18935 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
18936 dump_edge_info, count_reg_references): Likewise.
18938 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
18939 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
18942 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
18943 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
18944 add_label_notes): Likewise.
18946 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
18947 clear_struct_flag, count_sub_rtxs, count_alternatives,
18948 compares_alternatives_p, contained_in_p, walk_attr_value,
18949 write_expr_attr_cache): Likewise.
18951 * genconfig.c (walk_insn_part): Likewise.
18953 * genemit.c (max_operand_1, gen_exp): Likewise.
18955 * genextract.c (walk_rtx): Likewise.
18957 * genflags.c (num_operands): Likewise.
18959 * genoutput.c (scan_operands): Likewise.
18961 * genpeep.c (match_rtx): Likewise.
18963 * genrecog.c (add_to_sequence): Likewise.
18965 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
18968 * integrate.c (save_constants, copy_for_inline,
18969 copy_rtx_and_substitute, subst_constants, restore_constants):
18972 * jump.c (mark_jump_label, invert_exp, redirect_exp,
18973 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
18975 * local-alloc.c (contains_replace_regs, memref_referenced_p):
18978 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
18979 add_label_notes, replace_call_address, count_nonfixed_reads,
18980 invariant_p, find_single_use_in_loop, find_mem_givs,
18981 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
18984 * print-rtl.c (reg_names, print_rtx): Likewise.
18986 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
18988 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
18989 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
18990 print_blocks): Likewise.
18992 * regclass.c (fix_register, record_address_regs,
18993 reg_scan_mark_refs): Likewise.
18995 * regmove.c (stable_but_for_p): Likewise.
18997 * reload.c (loc_mentioned_in_p, operands_match_p,
18998 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
18999 copy_replacements, refers_to_regno_for_reload_p,
19000 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
19001 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
19004 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
19005 delete_address_reloads_1, count_occurrences,
19006 reload_cse_mem_conflict_p, reload_combine_note_use,
19007 add_auto_inc_notes): Likewise.
19009 * resource.c (mark_referenced_resources, mark_set_resources):
19012 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
19013 reg_mentioned_p, regs_set_between_p, modified_between_p,
19014 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
19015 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
19016 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
19017 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
19019 * sched.c (sched_analyze_2, attach_deaths): Likewise.
19021 * stupid.c (stupid_mark_refs): Likewise.
19023 * unroll.c (remap_split_bivs): Likewise.
19025 * varasm.c (mark_constants): Likewise.
19027 * a29k/a29k.c (uses_local_reg_p): Likewise.
19029 * alpha/alpha.c (summarize_insn): Likewise.
19031 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
19032 eliminate_lr2ip): Likewise.
19034 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
19036 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
19037 reg_mentioned_in_mem): Likewise.
19039 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
19040 symbolic_reference_mentioned_p): Likewise.
19042 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
19044 * sh/sh.c (regs_used, mark_use): Likewise.
19046 * vax/vax.c (vax_rtx_cost): Likewise.
19048 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19050 * machmode.h (mode_name): Constify a char*.
19052 * rtl.c (mode_name): Likewise.
19054 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
19056 * optabs.c (init_libfuncs): Constify a char*.
19058 * print-tree.c (mode_name): Remove redundant declaration.
19059 (print_node): Use accessor macro, not `mode_name'.
19061 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
19063 (new_spill_reg): Constify a char*.
19065 * tree.c (mode_name): Remove redundant declaration.
19067 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19069 * rtl.c (rtx_name): Constify a char*.
19071 * rtl.h (rtx_name, fix_sched_param): Likewise.
19073 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
19074 (mypr): Use accessor macro, not `rtx_name'.
19076 * genemit.c (print_code): Constify a char*.
19078 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
19080 * genpeep.c (print_code): Constify a char*.
19082 * genrecog.c (print_code): Likewise.
19084 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
19085 end_bb): Add static prototype.
19086 (draw_edge): Constify a char*.
19087 (end_bb): Remove unused parameter.
19089 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
19090 print_block_visualization): Constify a char*.
19092 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
19094 * c-common.c (c_get_alias_set): Update comment.
19096 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19098 * linux.h (LIB_SPEC): Added.
19100 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19102 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
19104 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
19106 * tree.c (expr_check): Fix typo in last change.
19108 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
19110 * rtl.def (NOTE): Change format to "iuu0n".
19111 (ADDR_DIFF_VEC): Change format to "eEee0".
19112 (ADDRESSOF): Change format to "eit".
19114 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
19115 (RTVEC_ELT): Change to match.
19116 (XVECEXP): Use XVEC and RTVEC_ELT.
19117 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
19118 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
19119 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
19120 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
19121 TRAP_CONDITION, TRAP_CODE): Use XEXP.
19122 (INTVAL): Use XWINT.
19123 (ADDRESSOF_DECL): Use XTREE.
19124 (SET_ADDRESSOF_DECL): Delete.
19125 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
19126 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
19127 ifdefed out since 2.6 at least.
19128 (gen_rtvec_vv): Delete prototype.
19130 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
19132 (copy_most_rtx): Handle 't' format letter.
19133 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
19134 (gen_rtvec_vv): Delete function. All callers changed to use
19135 gen_rtvec_v instead.
19136 * print-rtl.c (print_rtx): Move special casing of NOTEs to
19137 the '0' format letter.
19139 * function.c (gen_mem_addressof): Don't use
19140 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
19142 * integrate.c (copy_rtx_and_substitute): Likewise.
19143 Copy 't' slots with XTREE.
19144 (subst_constants): Treat 't' slots like '[swi]' slots.
19145 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
19146 * jump.c (rtx_equal_for_thread_p): Likewise.
19147 * rtlanal.c (rtx_equal_p): Likewise.
19148 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
19149 only four arguments.
19150 * gengenrtl.c (type_from_format): Provide correct types for
19154 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
19155 If a recent gcc is in use (always in stage2 and beyond), use
19156 statement expressions, so we don't make a function call unless
19157 the check fails. Evaluate arguments exactly once.
19158 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
19159 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
19161 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
19162 they evaluate their arguments exactly once, irrespective of
19163 the compiler in use.
19165 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
19166 is used by the currently-enabled check macros. This is:
19167 (tree_check_failed, tree_class_check_failed): For gcc.
19168 (tree_check, tree_class_check, cst_or_constructor_check,
19169 expr_check): For other compilers.
19171 * gencheck.c: Do not define any *_CHECK1 macros.
19173 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
19174 Mark Mitchell <mark@codesourcery.com>
19176 * c-common.c (c_get_alias_set): Fix support for poitners and
19179 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
19181 * alias.c: Include tree.h.
19182 (nonlocal_reference_p, mark_constant_function): New functions.
19183 * flow.c (life_analysis): Call mark_constant_function.
19184 * rtl.h (mark_constant_function): Declare it.
19186 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
19188 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
19189 unrecognisable switches.
19191 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19193 * loop.c (recombine_givs): Set ix field after sorting.
19194 (recombine_givs): Remove bogus index / giv lockstep looping.
19196 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19198 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
19200 (emit_store_flag_force): Use do_compare_rtx_and_jump.
19201 (do_cmp_and_jump): Formatting fixes.
19202 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
19203 do_compare_rtx_and_jump instead of compare_from_rtx.
19204 (do_compare_rtx_and_jump): New function; mostly copied from
19206 (do_jump_for_compare): Delete.
19207 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
19209 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
19210 of compare/do_jump_for_compare pairs.
19211 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
19212 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
19213 compare_from_rtx/do_jump_for_compare pairs.
19214 (do_jump_by_parts_equality): Likewise.
19215 (do_jump_by_parts_equality_rtx): Likewise.
19216 * expr.h (do_compare_rtx_and_jump): Declare.
19217 * optabs.c (prepare_cmp_insn): New function, contains most of the code
19218 that used to be in emit_cmp_insn.
19219 (cmp_available_p): New function.
19220 (prepare_operand): New function.
19221 (emit_cmp_and_jump_insn_1): New function, contains some code that used
19222 to be in emit_cmp_insn.
19223 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
19224 parameters to be pointers; don't emit final compare but modify some of
19225 the values pointed to by the args so the caller can perform the
19226 correct comparison.
19227 (expand_binop): Call emit_store_flag_force with signed forms of
19229 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
19230 emit_jump_insn pair.
19231 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
19232 emit_cmp_and_jump_insn_1. Call emit_queue.
19233 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
19235 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
19236 jump sets cc0 before deleting it.
19237 * integrate.c (expand_inline_function): Likewise.
19238 * unroll.c (unroll_loop): Similar changes in several places.
19239 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
19240 before deleting it.
19242 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19244 * Makefile.in (insn-recog.o): Update dependencies.
19245 * genrecog.c (main): Make generated file include "function.h".
19247 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
19249 * cse.c (cse_insn): Call never_reached_warning when a jump is
19250 changed to be unconditional.
19251 * flags.h: Declare warn_notreached.
19252 * flow.c (delete_block): Call never_reached_warning when
19253 a block is deleted.
19254 * jump.c (delete_barrier_successors): Call never_reached_warning
19255 when we delete everything after a BARRIER.
19256 (never_reached_warning): New function.
19257 * rtl.h: Declare never_reached_warning.
19258 * toplev.c (warn_notreached): New variable.
19259 (lang_independent_options): Set warn_notreached
19260 when -Wunreachable-code.
19261 (compile_file): We need line numbers for -Wunreachable-code.
19263 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
19265 * haifa-sched.c (insn_unit): Fix typo on out of range test.
19266 * sched.c (insn_unit): Likewise.
19268 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
19270 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
19272 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19274 * flow.c (create_edge_list): Use xmalloc, not malloc.
19276 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
19278 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
19279 C-style comments. Do not lose the character before double slash.
19281 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19283 * basic-block.h (struct edge_list): Stucture to maintain a vector
19285 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
19286 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
19287 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
19288 New function prototypes.
19289 * flow.c (create_edge_list): Function to create an edge list.
19290 (free_edge_list): Discards memory used by an edge list.
19291 (print_edge_list): Debug output showing an edge list.
19292 (verify_edge_list): Internal consistency check for an edge list.
19293 (find_edge_index): Function to find an edge index for a pred and succ.
19295 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
19297 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
19300 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
19302 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
19304 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19306 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
19308 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
19310 * toplev.c (rest_of_compilation): Allow machine dependent
19311 reorganisation pass to place information into the RTL dump
19312 file if it so wishes.
19314 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
19316 * explow.c (hard_function_value): Use VOIDmode instead of
19318 * stmt.c (expand_return): Likewise.
19319 * stor-layout.c (get_best_mode): Likewise.
19321 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
19322 emit call instead of emit_insn call.
19324 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19326 * configure.in: Handle --disable/enable-win32-registry.
19327 * install.texi: Document --disable/enable-win32-registry.
19328 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
19329 (WIN32_REGISTRY_KEY): New macro.
19330 * prefix.c: Use to enable/disable win32-specific code.
19331 (lookup_key): Use versioned key.
19332 * configure: Regenerate.
19333 * config.in: Likewise.
19335 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
19337 * cpplib.c (read_line_number): New fn, split out of...
19340 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19342 tree.c (lang_unsave_expr_now) : New.
19343 (unsave_expr_now): Call lang_unsave_expr_now.
19344 tree.h (lang_unsave_expr_now) : New.
19346 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
19348 * toplev.c (flag_new_exceptions): On by default.
19350 1999-08-13 Michael Meissner <meissner@cygnus.com>
19352 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
19354 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19356 * dwarfout.c (fundamental_type_code): Return FT_boolean for
19357 INTEGER_TYPE with precision==1, it's __java_boolean.
19359 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19361 * global.c (prune_preferences): Move some invariants out of the
19364 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
19366 * configure.in (alpha*-dec-osf*): Add osf5.
19368 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
19370 * configure.in: Rework handling of ARM GNU/Linux slightly.
19371 (arm*-*-linux-gnuoldld): New target.
19372 * configure: Regenerate.
19373 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
19374 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
19375 * config/arm/linux-oldld.h: New file.
19376 * config/arm/linux-elf26.h: Don't include linux-elf.h.
19377 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
19379 * config/arm/linux-elf.h (ASM_SPEC): Define.
19380 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
19381 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
19382 for 26-bit APCS and old linker.
19383 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
19385 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
19386 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
19387 don't define `arm' or `arm_elf'.
19388 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
19389 MULTILIB_DIRNAMES): Define. Fix typo in comment.
19391 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
19393 * rtl.texi: Fix typo.
19395 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
19397 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
19399 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
19401 * extend.texi (C++ Signatures): Remove node.
19402 * invoke.texi: Remove discussion of -fhandle-signatures,
19403 signature, sigof, __signature__, and __sigof__.
19405 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
19407 * Makefile.in (JAVAGC): Removed.
19409 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
19411 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19413 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
19415 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19417 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
19419 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
19420 a register that is already known to be a pointer.
19422 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
19424 * fixinc/inclhack.tpl: Only install assert.h conditionally.
19425 * fixinc/inclhack.sh: Regenerated.
19426 * fixinc/fixincl.sh: Regenerated.
19428 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
19430 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
19431 Fix documentation of -ansi flag to describe its C++ behavior.
19432 Remove bogus reference to GCC 2.9.
19434 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
19436 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
19437 note if it is non-NULL.
19439 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19441 * except.h (eh_nesting_info): Add new structure defintion.
19442 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
19443 (reachable_handlers, update_rethrow_references): Add function
19445 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
19446 a rethrow symbol instead of an integer exception region number.
19447 * flow.c (Make_edges): Use new exception nesting routines to determine
19448 which handlers are reachable from a CALL or asynchronous insn.
19449 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
19451 (delete_eh_regions): Update rethrow labels, and don't delete
19452 regions which are the target of a rethrow.
19453 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
19454 avoid overloading the SYMBOL_REF_USED flag.
19455 (rethrow_symbol_map): Use new rethrow_ref field.
19456 (rethrow_used): Use new rethrow_ref field.
19457 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
19458 of an integer. Fix formatting.
19459 (output_exception_table_entry): Use new rethrow_ref field.
19460 (can_throw): Check for EH_REGION_NOTE before deciding
19461 whether a CALL can throw or not.
19462 (scan_region): Call rethrow_used() instead of accessing data structure.
19463 (update_rethrow_references): New function to make sure only regions
19464 which are still targets of a rethrow are flagged as such.
19465 (process_nestinfo): New static function to initialize a handler
19466 list for a specific region.
19467 (init_eh_nesting_info): New function to allocate and initialize
19468 the list of all EH handlers reachable from all regions.
19469 (reachable_handlers): New function to retrieve the list of handlers
19470 reachable from a specific region and insn.
19471 (free_eh_nesting_info): New function to dispose of a list of
19472 reachable handlers.
19474 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19476 * flow.c (split_edge): Set JUMP_LABEL field.
19477 (commit_one_edge_insertion): Set head correctly for insert_before.
19478 When inserting insns, update insn block numbers if allocated.
19480 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19482 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
19483 retry_incomplete_types): Add static prototype.
19484 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
19485 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
19486 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
19487 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
19488 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
19491 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
19492 dwarf2out_start_source_file, dwarf2out_line): Likewise.
19494 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19496 * output.h (assemble_name): Constify a char*.
19498 * varasm.c (UNIQUE_SECTION, assemble_start_function,
19499 assemble_variable, assemble_name): Likewise.
19501 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
19503 * arm/pe.c (arm_pe_unique_section): Likewise.
19505 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
19507 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
19509 * i386/interix.c (i386_pe_unique_section): Likewise.
19511 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
19513 * i386/winnt.c (i386_pe_unique_section): Likewise.
19515 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
19517 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
19519 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
19521 * pa/pa.c (output_call): Likewise.
19523 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
19525 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
19527 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
19530 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
19533 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
19535 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
19536 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
19538 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
19540 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19542 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
19544 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19546 * tree.h (lang_identify): Constify a char*.
19547 (print_error_function): Add extern prototype. Constify a char*.
19549 * c-lang.c (lang_identify): Constify a char*.
19551 * objc/objc-act.c (lang_identify): Constify a char*.
19553 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19555 * genpeep.c (main): Make generated file include "function.h".
19556 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
19558 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19560 * Makefile.in: Update dependencies.
19561 * alias.c: Include "function.h"
19562 * c-decl.c: Likewise.
19563 * caller-save.c: Likewise.
19564 * calls.c: Likewise.
19565 * combine.c: Likewise.
19567 * explow.c: Likewise.
19568 * final.c: Likewise.
19569 * global.c: Likewise.
19570 * graph.c: Likewise.
19571 * local-alloc.c: Likewise.
19572 * loop.c: Likewise.
19573 * optabs.c: Likewise.
19574 * profile.c: Likewise.
19575 * recog.c: Likewise.
19576 * regclass.c: Likewise.
19577 * regmove.c: Likewise.
19578 * reload.c: Likewise.
19579 * reorg.c: Likewise.
19580 * resource.c: Likewise.
19581 * sched.c: Likewise.
19582 * stupid.c: Likewise.
19583 * config/1750a/1750a.c: Likewise.
19584 * config/a29k/a29k.c: Likewise.
19585 * config/arc/arc.c: Likewise.
19586 * config/arm/arm.c: Likewise.
19587 * config/arm/thumb.c: Likewise.
19588 * config/c4x/c4x.c: Likewise.
19589 * config/clipper/clipper.c: Likewise.
19590 * config/convex/convex.c: Likewise.
19591 * config/fx80/fx80.c: Likewise.
19592 * config/i860/i860.c: Likewise.
19593 * config/m68k/m68k.c: Likewise.
19594 * config/m88k/m88k.c: Likewise.
19595 * config/mips/mips.c: Likewise.
19596 * config/pdp11/pdp11.c: Likewise.
19597 * config/pyr/pyr.c: Likewise.
19598 * config/romp/romp.c: Likewise.
19599 * config/sh/sh.c: Likewise.
19600 * config/tahoe/tahoe.c: Likewise.
19601 * config/vax/vax.c: Likewise.
19602 * config/we32k/we32k.c: Likewise.
19603 * config/sparc/sparc.c: Include "function.h".
19604 (mem_min_alignment): Test current_function rather than
19605 regno_pointer_align.
19606 * config/pa/pa.c: Likewise.
19607 (compute_frame_size): Delete declaration of
19608 current_function_outgoing_args_size.
19609 * config/arc/arc.h (current_function_varargs): Delete declaration.
19610 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
19612 * config/i370/i370.h (current_function_outgoing_args_size): Delete
19614 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
19615 current_function_uses_pic_offset_table.
19616 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
19617 of current_function_returns_pointer.
19618 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19619 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19620 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19621 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19622 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19623 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19624 * config/m88k/m88k.c: Include "function.h"
19625 (call_used_regs, current_function_pretend_args_size,
19626 current_function_outgoing_args_size, frame_pointer_needed): Delete
19628 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
19630 * config/mips/mips.h (current_function_calls_alloca): Delete
19632 * config/mn10200/mn10200.h (current_function_needs_context,
19633 rtx_equal_function_value_matters): Delete declarations.
19634 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
19635 flag_pic): Delete declarations.
19636 * config/pa/pa.h (current_function_pretend_args_size,
19637 current_function_decl): Delete declarations.
19638 * config/pa/som.h (current_function_varargs): Delete declaration.
19639 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
19641 * config/pyr/pyr.h (current_function_pretend_args_size,
19642 current_function_args_size, current_function_calls_alloca): Delete
19644 * config/sh/sh.h (current_function_varargs): Delete declaration.
19645 * config/sparc/sparc.h (current_function_outgoing_args_size,
19646 current_function_calls_alloca, current_function_decl): Delete
19648 * config/spur/spur.h (current_function_pretend_args_size,
19649 current_function_calls_alloca): Delete declarations.
19650 * config/v850/v850.c (current_function_outgoing_args_size): Delete
19652 * config/vax/vms.h (current_function_name): Delete declaration.
19653 * gcse.c: Include "function.h".
19654 (current_function_name, current_function_calls_setjmp): Delete
19656 * haifa-sched.c: Include "function.h".
19657 (forced_labels): Delete declaration.
19658 * jump.c: Likewise.
19659 * reg-stack.c: Likewise.
19660 * reload1.c: Likewise.
19661 * genemit.c (main): Make generated file include function.h.
19662 * genoutput.c (output_prologue): Likewise.
19664 * builtins.c (saveregs_value, apply_args_value): Delete variables.
19665 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
19666 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
19667 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
19668 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
19669 macros for some of them.
19670 (emit_filename, emit_lineno): Delete declarations.
19671 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
19672 regno_pointer_* variables through current_function.
19673 (gen_inline_header_rtx): Delete function.
19674 (save_emit_status): Delete function.
19675 (set_new_last_label_num): New function.
19676 (clear_emit_caches): New function.
19677 (restore_emit_status): Just clear last_labelnum and call
19679 (get_last_insn_anywhere): Variable sequence_stack is now accessed
19680 through macro seq_stack.
19681 (add_insn_after): Likewise.
19682 (add_insn_before): Likewise.
19683 (remove_insn): Likewise.
19684 (pop_topmost_sequence): Likewise.
19685 (in_sequence_p): Likewise.
19686 (start_sequence_for_rtl_expr): Likewise.
19687 (start_sequence): Likewise, and likewise for
19688 sequence_rtl_expr/seq_rtl_expr.
19689 (push_topmost_sequence): Likewise.
19690 (end_sequence): Likewise.
19691 (init_virtual_regs): Now takes a "struct emit_status *" argument.
19692 All callers changed. Store into that pointer instead of globals.
19693 (init_emit): Allocate emit elt of current_function.
19694 Changes for sequence_rtl_expr/sequence_stack renaming.
19695 Call clear_emit_caches instead of doing it in-line.
19696 Access regno_pointer_* variables through current_function.
19697 (init_emit_once) Don't clear sequence_stack.
19699 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
19701 (arg_pointer_save_area): Delete declaration.
19702 (finish_expr_for_function): Renamed from init_queue; no longer static.
19703 (init_expr): Don't call init_queue.
19704 (save_expr_status, restore_expr_status): Delete functions.
19705 (expand_expr): Changes to reflect new layout of struct function.
19706 Don't access current_function_check_memory_usage when current_function
19708 * expr.h (forced_labels, save_expr_regs, saveregs_value,
19709 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
19710 current_function_outgoing_args_size, current_function_arg_offset_rtx,
19711 current_function_uses_const_pool, function_call_count,
19712 current_function_uses_pic_offset_table, nonlocal_labels,
19713 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
19714 current_function_check_memory_usage, nonlocal_goto_handler_slots,
19715 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
19717 (finish_expr_for_function): Declare.
19718 * flags.h (current_function_has_nonlocal_label,
19719 current_function_has_nonlocal_goto, current_function_is_thunk,
19720 current_function_has_computed_jump): Delete declarations.
19721 * flow.c (forced_labels): Delete declaration.
19722 * function.c (current_function_pops_args,
19723 current_function_returns_struct, current_function_returns_pcc_struct,
19724 current_function_needs_context, current_function_calls_setjmp,
19725 current_function_calls_longjmp, current_function_has_nonlocal_label,
19726 current_function_has_nonlocal_goto, current_function_is_thunk,
19727 current_function_has_computed_jump, current_function_calls_alloca,
19728 current_function_contains_functions, current_function_returns_pointer,
19729 current_function_epilogue_delay_list, current_function_args_size,
19730 current_function_pretend_args_size, current_function_arg_offset_rtx,
19731 current_function_outgoing_args_size, current_function_varargs,
19732 current_function_stdarg, current_function_args_info, cleanup_label,
19733 current_function_name, current_function_uses_const_pool,
19734 current_function_instrument_entry_exit, current_function_return_rtx,
19735 current_function_uses_pic_offset_table, nonlocal_labels,
19736 current_function_internal_arg_pointer, current_function_cannot_inline,
19737 current_function_check_memory_usage, function_call_count,
19738 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
19739 nonlocal_goto_stack_level, return_label, save_expr_regs,
19740 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
19741 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
19742 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
19743 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
19744 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
19746 (push_function_context_to): Don't save them. Don't call
19747 save_storage_status, save_emit_status or save_expr_status.
19748 (pop_function_context_from): Don't restore them. Don't call
19749 restore_storage_status or restore_expr_status.
19750 (get_func_frame_size): New function.
19751 (get_frame_size): Use it.
19752 (assign_outer_stack_local): Reflect some member name changes in struct
19754 (put_reg_into_stack): Likewise.
19755 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
19757 (fixup_var_refs): Likewise.
19758 (fix_lexical_addr): Likewise.
19759 (trampoline_address): Likewise.
19760 (prepare_function_start): Clear field inlinable of current_function.
19761 (init_function_for_compilation): New function.
19762 (expand_dummy_function_end): New function.
19763 (expand_function_end): Call finish_expr_for_function.
19764 * function.h (struct emit_status): New; fields moved here from struct
19765 function and from global variables. Add accessor macros for some of
19767 (struct expr_status): Likewise.
19768 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
19769 (struct function): Add fields expr and emit, inlinable, inl_emit,
19770 original_arg_vector, original_decl_initial, inl_last_parm_insn,
19771 inl_max_label_num. Add many comments.
19772 Add accessor macros for all elts of struct function that no longer
19773 have a global variable.
19774 (cleanup_label, return_label, frame_offset, tail_recursion_label,
19775 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
19776 stack_slot_list): Delete declarations.
19777 (get_func_frame_size): Declare.
19778 (save_expr_status, restore_expr_status, save_emit_status,
19779 save_storage_status, restore_storage_status): Delete declarations.
19780 (init_virtual_regs): Declare.
19781 * output.h (current_function_pops_args,
19782 current_function_returns_struct, current_function_returns_pcc_struct,
19783 current_function_needs_context, current_function_calls_setjmp,
19784 current_function_calls_longjmp, current_function_calls_alloca,
19785 current_function_has_nonlocal_label, current_function_varargs,
19786 current_function_has_computed_jump, current_function_returns_pointer,
19787 current_function_contains_functions, current_function_args_size,
19788 current_function_pretend_args_size, current_function_stdarg,
19789 current_function_outgoing_args_size, current_function_args_info,
19790 current_function_name, current_function_return_rtx,
19791 current_function_epilogue_delay_list,
19792 current_function_uses_const_pool, current_function_cannot_inline):
19793 Delete declarations.
19794 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
19795 regno_reg_rtx): Delete declaration.
19796 (REGNO_POINTER_FLAG): Delete macro.
19797 * stmt.c (expand_goto): Changes to reflect that some fields in struct
19798 function were renamed.
19799 * stor-layout.c (save_storage_status, restore_storage_status): Delete
19801 * toplev.c: Include "function.h".
19802 (current_function_decl): Delete declaration.
19803 (compile_file): Call init_dummy_function_start and
19804 expand_dummy_function_end around some initializations that need to
19806 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
19807 Call init_function_for_compilation.
19808 * unroll.c: Include "function.h"
19809 (unroll_loop): Access regno_pointer_* variables through
19812 * tree.h (struct tree_decl): Add elt f to saved_insns member.
19813 (DECL_SAVED_INSNS): use it.
19814 (expand_dummy_function_end): Declare.
19815 (init_function_for_compilation): Declare.
19816 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
19817 that it's no longer an INLINE_HEADER.
19818 (expand_call): Likewise.
19819 * integrate.c (finish_inline): Delete function.
19820 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
19821 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
19822 args. Don't generate an INLINE_HEADER rtx, just return the arg
19823 vector. All callers changed.
19824 (save_for_inline_copying): Create a duplicate struct emit_status to
19825 hold the emit state for compiling the current function. Use this and
19826 the other new fields in struct function that are for integration
19827 instead of an INLINE_HEADER.
19828 Use memcpy instead of bcopy.
19829 Store the current struct function in DECL_SAVED_INSNS of fndecl.
19830 (save_for_inline_nocopy): Similar changes, except no new emit_status
19832 (expand_inline_function): Get information from function structure,
19833 not from an inline header rtx.
19834 (output_inline_function): Lose code to extract the necessary
19835 information from an inline header; simply put back the function
19836 structure into current_function. Clear its inlinable elt.
19837 * rtl.def (INLINE_HEADER): Delete.
19838 * rtl.h: Delete all accessors for an INLINE_HEADER.
19839 (gen_inline_header_rtx): Delete declaration.
19840 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
19841 Delete declarations.
19842 (REGNO_POINTER_ALIGN): Delete.
19843 (clear_emit_caches): Declare.
19844 (set_new_last_label_num): Declare.
19846 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
19848 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
19850 * except.c (expand_eh_region_start_for_decl): Always start a new block.
19851 * stmt.c (is_eh_region): Make sure current_function is present, too.
19853 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
19855 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
19856 for 64bit PA targets.
19858 * pa.h (SELECT_SECTION): Define.
19859 * som.h (SELECT_SECTION): Delete.
19861 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19863 * alias.c (init_alias_analysis): Wrap call to
19864 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
19866 1999-08-07 Bruce Korb <autogen@linuxbox.com>
19868 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
19869 <sys/asm.h> contains an asm comment with an apostrophe
19870 * fixinc/inclhack.sh: regen
19871 * fixinc/fixincl.x: regen
19873 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
19875 * function.c (init_function_start): Clear prologue & epilogue.
19876 (prologue_epilogue_contains): New function.
19877 * alias.c (init_alias_analysis): Use it.
19878 * rtl.h (prologue_epilogue_contains): Declare it.
19880 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
19882 * jump.c (onlyjump_p): New function.
19883 * rtl.h: Declare it.
19884 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
19885 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
19887 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
19889 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
19890 to invert loops. Simplify block scanning.
19892 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19894 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
19895 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
19897 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
19899 * config/sparc/liteelf.h: New file to support sparclite-elf target
19900 * config/sparc/t-sp86x: New file to support sparc86x targets
19901 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
19902 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
19903 * configure.in: Support above target triplets
19904 * configure: Regenerated
19906 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
19908 * fixinc/server.c (server_setup): Do not prefix function used as
19909 parameter with `&'.
19911 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
19913 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
19914 Remove fp reg alternatives.
19916 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
19918 * Makefiin (TAROUTOPTS): Kill.
19919 (install-headers-tar): Use "xpf" for tar headerfile extraction
19920 * i370/x-oe (TAROUTOPTS): Delete.
19921 * m68k/x-apollo68 (TAROUTOPTS): Delete.
19922 * m68k/x-hp320 (TAROUTOPTS): Delete.
19923 * m68k/x-hp320g (TAROUTOPTS): Delete.
19924 * gcc.texi: Update bug reporting text.
19926 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19928 * reg-stack.c (change_stack) Fixed problem with negative array index.
19930 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
19932 * extend.texi, install.texi: Fix spelling mistakes.
19934 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
19935 (s-attrtab); No longer try to use pre-made insn-attrtab file.
19936 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
19937 PREMADE_ATTRTAB_MD.
19938 * mips/t-ecoff: Likewise.
19939 * mips/t-elf: Likewise.
19940 * mips/t-mips: Likewise.
19941 * mips/t-osfrose: Likewise.
19942 * mips/t-r3900: Likewise.
19943 * mips/t-svr3: Likewise.
19944 * mips/t-svr4: Likewise.
19945 * mips/t-ultrix: Likewise.
19947 * gcc.texi: Document recommend means to provide software floating
19948 point libraries in libgcc.a
19950 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
19952 * c-lex.c (yylex): We can have a number with no digits.
19954 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
19956 * jump.c (delete_prior_computation): New function, broken
19957 out of delete_computation. Check for side effects with
19958 side_effects_p instead of FIND_REG_INC_NOTE. Handle
19959 multi-word hard registers.
19960 (delete_computation): Use it. Check for side effects with
19961 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
19962 missing REG_DEAD note for a register which is both set and
19965 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
19967 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
19968 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
19969 (ASM_FILE_START): Import _mcount with the right type.
19970 (ASM_DECLARE_FUNCTION_NAME): Define.
19971 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
19972 * pa.c (output_function_prologue): Always emit the function's label
19974 * pa.h (TEXT_SPACE_P): Define.
19975 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
19976 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
19977 * som.h (TEXT_SPACE_P): Delete.
19978 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
19979 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
19981 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
19983 * expr.c (emit_group_load): Allow src to be a CONCAT.
19985 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19987 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
19988 (___mulsi3): Use '!' comment character.
19990 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19992 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
19994 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
19996 * gcc.c: Update URLs and mail addresses.
19997 * gcc.texi: Likewise.
19999 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
20001 * rs6000.c (current_file_function_operand): Return zero for
20003 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
20005 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
20008 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
20010 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
20011 allocate space in the stack frame for the PIC register.
20013 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
20015 * m68k.md (xordi3, anddi3): These patterns are not available on
20018 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
20020 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
20021 (PUT_REAL): Likewise.
20023 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20025 * final.c (shorten_branches): Don't add an alignment for loops
20026 that have no label inside.
20028 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20030 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
20031 prototypes in macro HAVE_cmpstrsi.
20033 * cpplib.c (cpp_get_token): Remove unused label `op3'.
20035 * emit-rtl.c (operand_subword): Remove unused variable
20038 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
20040 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
20042 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
20044 * cpphash.c (macroexpand): Delete leading whitespace when arg
20045 is concatenated before.
20046 (unsafe_chars): Correct test for whether + and - can extend a
20049 * cppinit.c (cpp_start_read): Do dependencies for
20050 -include/-imacros files also.
20052 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
20053 tokenizing non-directive lines.
20054 (cpp_expand_to_buffer): Temporarily disable no-output mode.
20055 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
20058 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20060 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
20062 * c-lex.c: Sync with C++ frontend.
20063 (linemode): New variable.
20064 (parse_float): imag, conversion_errno, and type are output only.
20065 (yylex): Adjust. Move initial '.' case into main switch.
20067 (handle_generic_pragma): Just deal with tokens.
20068 (readescape): Use ISXDIGIT and ISGRAPH.
20069 * c-parse.in: Add END_OF_LINE token.
20071 * c-lex.c (lang_init): Generalize.
20072 (nextchar): Remove. Replace uses with UNGETC.
20073 (skip_white_space): Handle linemode here. Optimize for cpplib.
20074 (skip_white_space_on_line): Remove.
20075 (extend_token_buffer_to): New fn.
20076 (extend_token_buffer): Use it.
20077 (read_line_number, check_newline): Just deal with tokens.
20078 (token_getch, token_put_back): New fns.
20079 (yylex): Use them. More cpplib optimizations. Simplify.
20081 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20082 Jason Merrill <jason@yorick.cygnus.com>
20084 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
20085 (consume_string): Make this smart about USE_CPPLIB.
20086 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
20087 (yylex): Rewrite to be intelligent about USE_CPPLIB.
20088 Also, clean up cases where we redundantly set token_buffer[0].
20089 (read_line_number): New fn.
20090 (ignore_escape_flag): New variable.
20092 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
20094 * a29k/t-a29kbare: Fix some comments.
20095 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
20096 (FPBIT, DPBIT): Define.
20097 * a29k/t-vx29k: Likewise.
20098 * arc/t-arc: Likewise.
20099 * arm/t-arm-elf: Likewise.
20100 * arm/t-bare: Likewise.
20101 * arm/t-pe: Likewise.
20102 * arm/t-pe-thumb: Likewise.
20103 * arm/t-semi: Likewise.
20104 * arm/t-thumb: Likewise.
20105 * arm/t-thumb-elf: Likewise.
20106 * arm/t-thumb-linux: Likewise.
20107 * h8300/t-h8300: Likewise.
20108 * i960/t-i960: Likewise.
20109 * i960/t-vxworks960: Likewise.
20110 * m32r/t-m32r: Likewise.
20111 * mips/t-ecoff: Likewise.
20112 * mips/t-elf: Likewise.
20113 * mips/t-r3900: Likewise.
20114 * pa/t-pro: Likewise.
20115 * rs6000/t-aix43: Likewise.
20116 * rs6000/t-beos: Likewise.
20117 * rs6000/t-newas: Likewise.
20118 * rs6000/t-ppccomm: Likewise.
20119 * rs6000/t-rs6000: Likewise.
20120 * rs6000/t-winnt: Likewise.
20121 * rs6000/t-xnewas: Likewise.
20122 * rs6000/t-xrs6000: Likewise.
20123 * sh/t-sh: Likewise.
20124 * sparc/t-elf: Likewise.
20125 * sparc/t-sparcbare: Likewise.
20126 * sparc/t-sparclite: Likewise.
20127 * sparc/t-splet: Likewise.
20128 * v850/t-v850: Likewise.
20129 * mn10200/t-mn10200: Fix comments.
20130 * mn10300/t-mn10300: Likewise.
20132 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
20133 dummy operand. Allocate a new pseudo for the dummy operand.
20134 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
20136 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
20138 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
20140 * configure: Rebuilt.
20141 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
20143 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
20145 * recog.c (preproces_constraints): Zero recog_op_alt before
20146 processing the constraints.
20148 * arm.c (typedef minipool_node): Renamed from pool_node.
20149 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
20150 (add_minipool_constant): New function.
20151 (dump_minipool): New function.
20152 (find_barrier): Remove special case for getting the insn size of
20153 an insn that references the constant pool.
20154 (minipool_fixup): New structure.
20155 (push_minipool_barrier): New function.
20156 (push_minipool_fix): New function.
20157 (note_invalid_constants): New function.
20158 (add_pool_constant, dump_table, fixit, broken_move): Delete.
20159 (arm_reorg): Rewrite code to fix up the constant pool into a
20160 series of mini-pools embedded in the insn stream.
20161 (arm_output_epilogue): New function, made mainly from the body
20162 of output_func_epilogue.
20163 (output_func_epilogue): Move insn generation part of epilogue code
20164 to arm_output_epilogue.
20165 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
20166 * arm.md (pool_range): New attribute.
20167 (zero_extendqidi2): Add attribute pool_range.
20168 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
20169 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
20170 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
20171 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
20172 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
20173 (epilogue): New expand.
20174 (epilogue_insn): New insn. Call arm_output_epilogue.
20176 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
20177 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
20179 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20181 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20183 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
20185 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
20187 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
20189 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
20191 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
20193 * global.c: Fix comment.
20195 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
20197 * gcc.c (access_check): New static function.
20198 (find_a_file): Use it when searching a directory list.
20199 * collect2.c (find_a_file): Don't accept directories found when
20200 searching a directory list.
20202 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
20204 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
20205 function parameters with `&'.
20206 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
20208 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
20210 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
20211 or tidy_fallthru_edge if the last insn in the block is not
20212 an unconditional jump or a simple conditional jump.
20214 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20216 * Makefile.in (c-decl.o): Depends on defaults.h.
20218 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
20220 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
20222 (CLASS_MAX_NREGS): Likewise.
20224 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
20226 * cse.c (cse_insn): Fix dumb thinko in last change.
20228 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20230 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
20233 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
20235 * dwarf2out.c (add_location_or_const_value_attribute): Correct
20236 test for sizes of passed and declared parameter types.
20238 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20240 * fixincludes: Fix the return type of bsearch, char* -> void*.
20242 * fixinc/inclhack.def: Likewise.
20244 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
20246 * invoke.texi (-fdump-translation-unit): New option.
20248 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
20250 * expr.h (PROMOTE_PROTOTYPES): Move ...
20251 * defaults.h: ... to here.
20252 * c-decl.c: Include defaults.h instead of expr.h.
20253 * c-typeck.c: Include defaults.h.
20255 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
20257 * toplev.h (errorcount): Declare.
20258 (warningcount): Likewise.
20259 (sorrycount): Likewise.
20260 * c-lex.c (errorcount): Don't declare.
20261 * dwarf2out.c (errorcount): Don't declare.
20263 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
20265 * config/libgloss.h: Add a note discouraging use with ELF.
20266 * configure.in: Don't use libgloss.h for ELF targets.
20267 Always use_collect2 on a.out targets.
20269 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
20271 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
20272 (force_to_mode, case ASHIFTRT): Add shiftrt label.
20274 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20276 * loop.c (strength_reduce): When doing biv->giv conversion, update
20277 reg note of NEXT->insn.
20279 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20281 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
20283 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20285 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
20286 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
20287 Ensure expr.h is included.
20288 * c-typecheck.c (convert_arguments): Ditto.
20290 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
20292 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
20293 * config/convex/convex.h: Ditto.
20294 * config/dsp16xx/dsp16xx.h: Ditto.
20295 * config/fx80/fx80.h: Ditto.
20296 * config/gmicro/gmicro.h: Ditto.
20297 * config/i370/i370.h: Ditto.
20298 * config/i386/i386.h: Ditto.
20299 * config/m32r/m32r.h: Ditto.
20300 * config/m68k/m68k.h: Ditto.
20301 * config/m88k/m88k.h: Ditto.
20302 * config/mips/mips.h: Ditto.
20303 * config/pa/pa.h: Ditto.
20304 * config/pyr/pyr.h: Ditto.
20305 * config/tahoe/tahoe.h: Ditto.
20306 * config/we32k/we32k.h: Ditto.
20308 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
20309 based on arch size.
20311 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
20313 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
20316 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
20318 1999-08-02 Richard Henderson <rth@cygnus.com>
20320 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
20321 for the register spill block.
20322 (m32r_va_arg): New.
20323 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
20324 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
20326 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
20327 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
20328 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
20330 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20332 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
20333 MAX_WCHAR_TYPE defined in sparc.h.
20334 * config/sparc/linuxaout.h: Likewise.
20335 * config/sparc/linux64.h: Likewise.
20336 Also default to -mvis if CPU is UltraSPARC.
20338 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20340 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
20341 (RTX_OK_FOR_OLO10): Likewise.
20342 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
20343 %lo(), allow it in addresses...
20344 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
20345 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
20346 does not make sense.
20347 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
20348 (sparc_output_scratch_registers): New function.
20349 (output_function_prologue, sparc_flat_output_function_prologue): Use
20351 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
20353 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
20354 * configure.in: Add check for .register pseudo-op support in as and
20355 check for offsetable %lo().
20356 * acconfig.h: Add templates for the above checks.
20357 * configure: Regenerate.
20359 1999-08-02 Richard Henderson <rth@cygnus.com>
20361 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
20362 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
20363 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
20365 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20367 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20370 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20372 * config/float-sparc.h: New file.
20373 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
20374 sparc-*-linux-gnu and sparc64-*-linux*.
20376 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20378 * rs6000.c (rs6000_va_list): Type is an array.
20379 (rs6000_va_start): Don't doubly adjust for varargs.
20380 (rs6000_va_arg): Evaluate long long GPR adjustment.
20382 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
20384 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
20385 -maix64 and -maix32.
20386 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
20387 LINK_SPEC): Change appropriately.
20388 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
20389 (u_short_cint_operand): Likewise.
20390 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
20392 * rs6000/t-aix43 (MULTILIB): Change to -m64.
20394 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
20396 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
20398 * rs6000/rs6000.c (num_insns_constant_wide): Correct
20399 for type promotion.
20400 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
20401 (non_add_cint_operand): Likewise.
20402 (logical_operand): Likewise.
20403 (non_logical_cint_operand): Likewise.
20404 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
20405 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
20406 (rs6000_select_rtx_section): Suppress warning.
20407 (small_data_operand): Suppress warning.
20408 (rs6000_got_register): Suppress warning.
20409 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
20410 type, so `J' is generally the wrong constraint for a SImode value;
20412 (andsi3_internal2): Likewise.
20413 (andsi3_internal3): Likewise.
20414 (iorsi3_internal1): Likewise.
20415 (xorsi3_internal1): Likewise.
20417 (movsf_softfloat): Likewise.
20418 (scc insns): Likewise.
20419 (movsi+2): Preserve sign bits of SImode constant.
20420 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
20421 (movdf+1): Sign-extend properly.
20422 (movdi_32+1): Sign-extend properly.
20423 (scc insns): Sign-extend properly.
20425 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
20428 1999-08-02 Richard Henderson <rth@cygnus.com>
20430 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
20431 -mcpu parsing code.
20432 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
20433 * alpha.md (all fp insns): Likewise.
20435 1999-08-02 Nick Clifton <nickc@cygnus.com>
20437 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
20440 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
20442 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
20443 pic_load_label generator directly.
20444 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
20445 No longer a named pattern.
20447 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
20449 * explow.c (force_reg): Call force_operand if X does not
20450 satisfy general_operand.
20452 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
20454 * fix-header.c (main): When testing for CONTINUED, use string
20455 equality, not pointer equality.
20457 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
20459 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
20461 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
20463 * cse.c (cse_insn): Fix loop which deletes insns after a jump
20464 that has become an unconditional jump.
20466 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
20467 (output_function_epilogue): Similarly.
20469 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20471 * tree.h (init_dummy_function_start): Declare.
20473 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20475 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
20476 last_expr_type, last_expr_value, block_start_count, block_stack,
20477 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
20478 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
20479 dynamically in stmt elt of struct function for each function.
20480 (struct nesting): Rename function_call_count elt to n_function_calls,
20481 target_temp_slot_level to block_target_temp_slot_level. All users
20483 (struct stmt_status): New structure definition.
20484 Add many accessor macros for stmt_status elements which previously
20485 were global variables.
20486 (init_stmt_for_function): Allocate stmt elt for current_function.
20487 Reflect that block_start_count was renamed to
20488 current_block_start_count.
20489 (save_stmt_status, restore_stmt_status): Delete functions.
20490 (preserve_subexpressions_p): Don't access loop_stack when outside
20492 (expand_start_bindings): Reflect that block_start_count was renamed to
20493 current_block_start_count.
20494 (expand_fixup): Likewise.
20495 (expand_decl): Don't access block_stack when outside a function.
20496 (expand_decl_cleanup): Likewise.
20497 (expand_dcc_cleanup): Likewise.
20498 (expand_dhc_cleanup): Likewise.
20499 (expand_anon_union_decl): Likewise.
20500 (set_file_and_line_for_stmt): New function.
20501 (in_control_zone_p): New function.
20503 * function.h (struct function): Add new elt stmt.
20504 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
20505 case_stack, nesting_stack, nesting_depth, block_start_count,
20506 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
20507 emit_lineno, goto_fixup_chain.
20508 (save_eh_status, restore_eh_status, save_stmt_status,
20509 restore_stmt_status): Delete declarations.
20510 * function.c (push_function_context_to): Don't call save_stmt_status.
20511 (pop_function_context_to): Don't call restore_stmt_status.
20512 * tree.h (in_control_zone_p): Declare.
20513 * rtl.h (set_file_and_line_for_stmt): Declare.
20515 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
20516 call set_file_and_line_for_stmt.
20518 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
20520 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
20521 Also update copyright.
20523 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20525 * c-pragma.c: Don't include "except.h".
20526 * emit-rtl.c: Likewise.
20527 * stor-layout.c: Likewise.
20528 * tree.c: Likewise.
20529 * varasm.c: Likewise.
20531 * flow.c: Include "function.h".
20532 * tree.h (init_dummy_function_start): Declare new function.
20534 * except.h (struct eh_status): New structure.
20535 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
20537 (eh_return_stub_label, ehstack, catchstack, ehqueue,
20538 catch_clauses, false_label_stack, caught_return_label_stack,
20539 protect_list, current_function_ehc): Add accessor macros for the
20540 corresponding fields in current_function->eh; delete declarations
20541 for all items that used to be declared here.
20542 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
20543 catch_clauses, false_label_stack, caught_return_label_stack,
20544 protect_list, current_function_ehc): Delete variables.
20545 (init_eh_for_function): Allocate current_function->eh.
20546 (save_eh_status, restore_eh_status): Delete functions.
20548 * function.h (struct function): Add fields next_global and eh.
20549 Delete all exception handling related fields.
20550 * function.c (current_function): New variable.
20551 (all_functions): New variable.
20552 (push_function_context_to): Don't allocate a struct function,
20553 use current_function instead. Call init_dummy_function_start when
20554 outside a function. Clear current_function before returning.
20555 (pop_function_context_from): Restore current_function.
20556 Don't free the restored struct function.
20557 (prepare_function_start): New function.
20558 (init_dummy_function_start): New function.
20559 (init_function_start): Break out some code into prepare_function_start
20562 * stmt.c (save_stmt_status): Don't call save_eh_status.
20563 (restore_stmt_status): Don't call restore_eh_status.
20565 * Makefile.in: Update dependencies.
20567 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
20569 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
20570 of depending on a magic constant value. Update comments.
20571 (hppa_expand_prologue): Similarly.
20573 * pa.md (reload_indi, reload_outdi): Allow any register for the
20574 original reload register.
20576 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
20578 * cccp.c (print_help): Change marcos to macros.
20580 1999-07-30 Richard Henderson <rth@cygnus.com>
20582 * c-typeck.c (initializer_constant_valid_p): Move ...
20583 * c-common.c (initializer_constant_valid_p): ... here. Use
20584 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
20585 of label addresses.
20586 * c-common.h (initializer_constant_valid_p): Declare.
20587 * c-tree.h (initializer_constant_valid_p): Remove.
20589 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
20591 * config/i386/sol2-c1.asm: Align the stack.
20592 * config/i386/sol2-gc1.asm: Likewise.
20594 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
20596 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
20597 -Asparclite for sparc86x.
20598 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
20600 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
20602 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
20604 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
20605 the user if using the non-default arch size in BI_ARCH configuration.
20606 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
20608 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
20609 Fix patterns so that they actually match.
20610 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
20611 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
20612 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
20614 (mulsidi3): Reflect this in the expand.
20615 (smulsi3_highpart): Only on TARGET_ARCH32.
20616 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
20617 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
20618 (umulsidi3): Reflect this in the expand.
20619 (umulsi3_highpart): Only on TARGET_ARCH32.
20620 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
20621 don't require g0 to be zero.
20622 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
20623 ({,u}divsi3): New expands.
20624 ({,u}divsi3_sp64): New patterns.
20625 (after lshrdi3_v8plus): Four new patterns to help combiner
20626 optimizing nested mixed mode shifts.
20628 * config/sparc/sparc.c (sparc_override_options): Use deprecated
20629 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
20630 speed things up. Don't use them by default on plain v9 in 64bit
20631 mode, according to what SPAMv9 sais.
20633 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
20634 top 32 bits of %[og][0-7] in signal handlers.
20635 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
20637 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
20639 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
20640 (ashlsi3): Corresponding changes.
20642 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
20644 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
20646 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
20648 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20650 * arm.h (Hint): Delete macro.
20651 Substitute HOST_WIDE_INT for Hint in some prototypes.
20652 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
20654 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
20656 * builtins.c (expand_builtin_setjmp): Use force_operand to
20657 make sure that the buffer address is in a suitable form to be
20658 passed to force_reg.
20660 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
20662 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
20665 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
20667 * pa.md (indirect_jump): Remove mode from match_operand. Verify
20668 proper mode in the condition string.
20669 (icacheflush, dcacheflush): Remove modes from match_operands.
20671 * pa.c (emit_move_sequence): Always convert scratch_reg to the
20672 proper mode before using it.
20674 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
20677 * pa.c (store_reg): Do not call add_high_const generator directly.
20678 (load_reg, set_reg_plus_d): Likewise.
20679 * pa.md (add_high_const): No longer a named pattern.
20681 * pa.c (legitimize_address): Consistently use Pmode rather than
20682 SImode. Do not call gen_pic2_highpart directly anymore.
20683 * pa.md (pic2_highpart): No longer a named pattern.
20684 (pic2_lo_sum): Similarly. Reformat to make more readable.
20686 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
20691 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20693 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
20695 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
20697 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
20698 and tag the spill mems.
20699 (hppa_va_start): New.
20700 (hppa_va_arg): New.
20701 * pa.h (EXPAND_BUILTIN_VA_START): New.
20702 (EXPAND_BUILTIN_VA_ARG): New.
20704 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
20706 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
20707 and tag the spill mems.
20708 (mn10300_va_start): New.
20709 (mn10300_va_arg): New.
20710 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
20711 (EXPAND_BUILTIN_VA_ARG): New.
20713 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
20715 * mn10200.c (mn10200_va_arg): New.
20716 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
20718 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
20720 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
20721 rather than play with TREE_INT_CST_LOW.
20723 1999-07-27 Philip Blundell <pb@nexus.co.uk>
20725 * config/arm/telf.h: Include dbxelf.h.
20726 (CPP_PREDEFINES): Only define if not already defined.
20727 (ASM_IDENTIFY_GCC): Likewise.
20728 (SUBTARGET_EXTRA_SECTIONS): Likewise.
20729 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
20730 * config/arm/thumb.h (LINK_SPEC): Only define if not already
20732 (DBX_DEBUGGING_INFO): Don't define.
20733 * config/arm/linux-telf.h: New file.
20734 * config/arm/linux-tgas.h: New file.
20735 * config/arm/t-thumb-linux: New file.
20736 * config/arm/uclinux-elf.h: New file.
20737 * config/arm/uclinux-telf.h: New file.
20738 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
20739 thumb-*-uclinux): New targets.
20740 * configure: Regenerate.
20742 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
20744 * pa.md (post_store, pre_load): New expanders.
20745 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
20746 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
20747 need to directly generate RTL for them.
20748 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
20751 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
20753 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
20754 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
20755 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
20756 (secndary_reload_class): Make TARGET_ELF conditional compile.
20757 (print_operand_address): Similar.
20758 (output_toc): Print all values as hex.
20759 (get_issue_rate): Rearrange and add RS64A and PPC630.
20760 * rs6000.h (processor_type): Add RS64A and PPC630.
20761 (PROCESSOR_POWERPC64): New.
20762 (PROMOTE_MODE): Use word_mode.
20763 (RTX_COSTS): Add RS64A and PPC630.
20764 * rs6000.md (scheduling information): Add lmul and ldiv
20765 representing 64-bit integer multiply and divide. Add rs64a and
20766 PPC630 information.
20767 (ashldi3): Add support for "rldic" instruction.
20768 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
20770 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
20772 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
20773 instead of V8 for sparclite86x in cpu_table.
20775 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20777 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
20778 output_file_directive.
20780 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
20782 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
20783 tree for op1, not the rtl.
20785 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
20787 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
20788 to m88k_va_start, leaving only the register spill.
20789 (m88k_build_va_list): New.
20790 (m88k_va_start): New.
20791 (m88k_va_arg): New.
20792 * m88k.h (BUILD_VA_LIST_TYPE): New.
20793 (EXPAND_BUILTIN_VA_START): New.
20794 (EXPAND_BUILTIN_VA_ARG): New.
20796 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
20798 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
20799 Rename from expand_builtin_saveregs.
20800 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
20802 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
20804 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
20805 for the register spill block.
20806 (i960_build_va_list): New.
20807 (i960_va_start): New.
20808 (i960_va_arg): New.
20809 * i960.h (BUILD_VA_LIST_TYPE): New.
20810 (EXPAND_BUILTIN_VA_START): New.
20811 (EXPAND_BUILTIN_VA_ARG): New.
20812 * i960.md (store_multiple): Use change_address on individul mems.
20814 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
20816 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
20818 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
20819 (expand_builtin_va_end): Evaluate arg for side effects.
20820 * c-common.c (c_common_nodes_and_builtins): Construct a
20821 va_list_arg_type_node to handle array decomposition to pointer.
20823 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
20825 * except.c (st_dynamic_cleanup): Use force_operand on the
20828 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
20830 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
20831 * c4x.c (c4x_va_arg): New.
20833 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
20835 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
20836 has manual_pop set.
20838 1999-07-26 Nathan Sidwell <nathan@acm.org>
20840 * eh-common.h (__eh_matcher): Prototype correctly.
20842 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
20844 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
20845 (TARGET_SINGLE_PIC_BASE): Likewise.
20846 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
20848 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
20849 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
20850 (TARGET_OPTIONS): Add -mpic-register=N.
20851 (OUTPUT_INT_ADDR_CONST): New macro.
20852 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
20853 LEGITIMATE_PIC_OPERAND_P): Likewise.
20854 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
20855 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
20856 output_addr_const directly.
20857 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
20859 (thumb_pic_register, thumb_pic_register_string): Declare.
20861 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
20863 (label_mentioned_p): New function: Imported from arm.c.
20864 (legitimize_pic_address): New function: Imported from arm.c.
20865 (is_pic):New function: Imported from arm.c.
20866 (thumb_finalize_pic):New function: Imported from arm.c.
20867 (add_constant): Cope with PIC constants.
20868 (fixit): Cope with PIC constants.
20869 (output_return): Do not treat the PIC register as live if
20870 TARGET_SINGLE_PIC_BASE is true.
20871 (thumb_function_prologue): Do not treat the PIC register as live if
20872 TARGET_SINGLE_PIC_BASE is true.
20873 (thumb_expand_prologue): Do not treat the PIC register as live if
20874 TARGET_SINGLE_PIC_BASE is true.
20875 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
20876 TARGET_SINGLE_PIC_BASE is true.
20877 (thumb_print_operand): Accept '|'.
20878 (thumb_override_options): Process PIC options.
20880 * config/arm/thumb.md (movsi): Support PIC.
20881 (call_insn): Change "i" constraint to "X".
20882 (call_value_insn): Likewise.
20883 (consttable_4, consttable_8, consttable_end): Set and clear
20884 "making_const_table" as appropriate.
20885 (pic_load_addr, pic_add_dot_plus_four): New insns.
20887 * invoke.texi (Thumb Options): Fix spelling. Document new
20888 options -msingle-pic-base and -mpic-register=.
20890 1999-07-26 Andrew Haley <aph@cygnus.com>
20892 * config/m32r/initfini.c (__init): Use a full word immediate for
20893 __fini: this allows it to be placed in any memory region.
20895 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
20896 -mmodel=medium. This is OK for all memory models.
20898 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
20900 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
20901 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
20903 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
20905 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
20908 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
20910 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
20912 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
20913 (BUILD_VA_LIST_TYPE): New.
20914 (EXPAND_BUILTIN_VA_START): New.
20915 (EXPAND_BUILTIN_VA_ARG): New.
20916 * i860.c (output_delayed_branch): Disable.
20917 (output_delay_insn): Likewise.
20918 (i860_saveregs): New.
20919 (i860_build_va_list): New.
20920 (i860_va_start): New.
20921 (i860_va_arg): New.
20922 * i860.md: Disable all peepholes using output_delayed_branch.
20923 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
20925 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
20927 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
20928 (BUILD_VA_LIST_TYPE): New.
20929 (EXPAND_BUILTIN_VA_START): New.
20930 (EXPAND_BUILTIN_VA_ARG): New.
20931 * clipper.c (clipper_builtin_saveregs): Only dump registers.
20932 Return the address of the save area.
20933 (clipper_build_va_list): New.
20934 (clipper_va_start): New.
20935 (clipper_va_arg): New.
20937 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
20939 * arc.h (EXPAND_BUILTIN_VA_START): New.
20940 (EXPAND_BUILTIN_VA_ARG): New.
20941 * arc.c (arc_setup_incoming_varargs): Set alias set of
20943 (arc_va_start): New.
20946 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
20948 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
20949 (BUILD_VA_LIST_TYPE): New.
20950 (EXPAND_BUILTIN_VA_START): New.
20951 (EXPAND_BUILTIN_VA_ARG): New.
20952 * alpha.c (alpha_builtin_saveregs): Delete.
20953 (alpha_build_va_list): New.
20954 (alpha_va_start): New.
20955 (alpha_va_arg): New.
20957 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
20959 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
20961 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
20962 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
20964 * gcc.texi: More changes related to list conversion.
20965 * invoke.texi: Likewise.
20967 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
20969 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
20970 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
20971 (expand_builtin_next_arg): Accept ARGLIST not EXP.
20972 (stabilize_va_list): New function.
20973 (std_expand_builtin_va_start): New function.
20974 (expand_builtin_va_start): New function.
20975 (get_varargs_alias_set): New function.
20976 (std_expand_builtin_va_arg): New function.
20977 (expand_builtin_va_arg): New function.
20978 (expand_builtin_va_end): New function.
20979 (expand_builtin_va_copy): New function.
20980 (expand_builtin): Call them.
20981 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
20982 __builtin_{varargs_start,stdarg_start,end,copy}.
20983 (build_va_arg): New function.
20984 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
20985 (build_va_arg): Declare.
20986 * c-decl.c (ptr_type_node, va_list_type_node): New.
20987 * c-parse.gperf (__builtin_va_arg): New.
20988 * c-parse.in (VA_ARG): New token.
20989 (unary_expr): Recognize it.
20990 * expr.c (expand_expr): Expand VA_ARG_EXPR.
20991 * expr.h (std_expand_builtin_va_start): Declare.
20992 (std_expand_builtin_va_arg): Declare.
20993 (expand_builtin_va_arg): Declare.
20994 (get_varargs_alias_set): Declare.
20995 * tree.def (VA_ARG_EXPR): New.
20996 * tree.h (BUILT_IN_VARARGS_START): New.
20997 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
20998 (ptr_type_node, va_list_type_node): Declare.
20999 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
21000 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
21001 * m88k.h, m88k.c: Likewise.
21002 * mn10300.h, mn10300.c: Likewise.
21003 * pa.h, pa.c: Likewise.
21004 * rs6000.h, rs6000.c: Likewise.
21005 * sh.h, sh.c: Likewise.
21006 * sparc.h, sparc.c: Likewise.
21008 * emit-rtl.c (operand_subword): Copy alias set.
21009 (change_address): Likewise.
21011 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
21013 * pa.c (compute_frame_size): Scan all the used callee saved registers,
21014 not just the first one.
21016 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
21018 * config/arm/arm.h (TARGET_SWITCHES): Add
21019 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
21020 (TARGET_OPTIONS): Add -mpic-register=.
21021 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
21022 (arm_pic_register_string): Declare.
21023 (NEED_PLT_GOT): Delete, replace with ...
21024 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
21025 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
21026 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
21027 * config/arm/arm.c (arm_override_options): Add new option
21029 (arm_pic_register_string): New variable.
21030 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
21031 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
21032 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
21033 (output_return_instruction): Likewise.
21034 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
21035 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
21036 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
21038 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
21039 mention of -msched-prolog. Document new options -msingle-pic-base
21040 and -mpic-register=.
21042 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
21044 * haifa-sched.c (reemit_notes): Tidy.
21045 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
21048 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
21050 * explow.c (trunc_int_for_mode): New function.
21051 (plus_constant_wide): Use it.
21052 * combine.c (simplify_and_const_int): Likewise.
21053 (merge_outer_ops): Likewise.
21054 (simplify_shift_const): Likewise.
21055 * cse.c (simplify_unary_operation): Likewise.
21056 (simplify_binary_operation): Likewise.
21057 * emit-rtl.c (operand_subword): Likewise.
21058 * rtl.h: Declare it.
21060 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21062 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
21063 (use NUM_REGS instead of NUM_INTS).
21065 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21067 * builtins.c: New file.
21068 * expr.c (saveregs_value, apply_args_value): Delete definition,
21069 moved into builtins.c.
21070 (string_constant): No longer static.
21071 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
21072 apply_args_size, apply_result_size, result_vector,
21073 expand_builtin_apply_args, expand_builtin_apply,
21074 expand_builtin_return): Delete functions, moved into builtins.c.
21075 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
21076 * expr.h (saveregs_value, apply_args_value): Declare variables.
21077 (expand_builtin, string_constant): Declare functions.
21078 * Makefile.in: Update to build builtin.o.
21080 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
21082 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
21083 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
21084 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
21085 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
21087 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
21090 1999-07-21 Michael Meissner <meissner@cygnus.com>
21092 * print-rtl.c (print_rtx): Print the names of the virtual
21095 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
21097 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
21098 introduced in previous delta.
21100 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21102 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
21103 to avoid name clash.
21105 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21107 * c-lex.c (yylex) : Correct the test for overflow when lexing
21110 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
21112 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
21113 (adjust_priority): Always call ADJUST_PRIORITY.
21114 (schedule_insn): Only put insns into the ready at cost 0.
21115 (schedule_block): Remove redundant initial sort. Give clock_var
21116 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
21118 * tm.texi (MD_SCHED_REORDER): Update docs.
21120 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
21121 * sparc.c (ultra_reorder_called_this_block): Delete.
21122 (ultrasparc_sched_init): Don't set it.
21123 (ultrasparc_sched_reorder): Don't check it.
21125 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
21127 * rs6000.h (struct rs6000_args): Add sysv_gregno.
21128 * rs6000.c (init_cumulative_args): Init sysv_gregno.
21129 (function_arg_boundary): Align DFmode.
21130 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
21131 to get fp reg and stack overflow correct.
21132 (function_arg): Likewise.
21133 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
21134 (setup_incoming_varargs): Restructure for ABI_V4; use
21135 function_arg_advance to skip final named argument.
21136 (expand_builtin_saveregs): Properly unskip the last integer arg
21137 when doing varargs. Adjust overflow location calculation.
21139 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
21140 explicitly unsigned.
21141 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
21142 (__VA_GP_REGSAVE): Similarly.
21143 (__va_longlong_p): Delete.
21144 (__va_arg_type_violation): New declaration.
21145 (va_arg): Restructure. Flag promotion errors. Align double.
21146 TFmode passed by reference.
21148 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
21149 in the HOST_BITS_PER_WIDE_INT > 32 case.
21151 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
21153 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
21155 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
21157 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
21158 * toplev.c (documented_lang_options): Add -fpreprocessed.
21159 * cpplib.h (struct cpp_buffer): Add preprocessed.
21160 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
21161 (cpp_start_read): Don't expand macros or emit an initial #line
21162 directive if -fpreprocessed.
21164 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21166 * cpplib.h (struct cpp_buffer): Added manual_pop for
21167 better C++ tokenization.
21168 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
21169 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
21170 * c-common.c (cpp_token): Make non-static.
21172 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21174 * c-common.h: New file.
21175 * c-common.c (permanent_obstack): Delete unused declaration.
21176 (c_global_trees): New array.
21177 (c_common_nodes_and_builtins): New function; split off common code
21178 from init_decl_processing in both c-decl.c and cp/decl.c.
21179 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
21180 c_global_trees and accessor macros defined in c-common.h.
21181 Include c-common.h.
21182 * c-decl.c: Delete definitions for tree nodes that were replaced by
21184 (init_decl_processing): Build void_list_node.
21185 Call c_common_nodes_and_builtins; delete code to generate the common
21187 * objc/objc-act.c (build_module_descriptor): Rename variable
21188 void_list_node to avoid clash with c-common.h.
21190 * Makefile.in: Update dependencies.
21191 * objc/Make-lang.in: Likewise.
21193 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
21195 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
21196 (UNIQUE_SECTION_P): Likewise.
21197 (UNIQUE_SECTION): Likewise.
21199 1999-07-19 Linas Vepstas <linas@linas.org>
21201 * config/i370/README: New file.
21202 * config/i370/linux.h: New file.
21203 * config/i370/mvs.h: New file.
21204 * config/i370/oe.h: New file.
21205 * config/i370/t-linux: New file.
21206 * config/i370/t-mvs: New file.
21207 * config/i370/t-oe: New file.
21208 * config/i370/x-oe: New file.
21209 * config/i370/xm-linux.h: New file.
21210 * config/i370/xm-mvs.h: New file.
21211 * config/i370/xm-oe.h: New file.
21213 * i370.c (label_node_t): Add first_ref_page, label_addr,
21214 label_first_ref, label_last_ref members.
21215 (mvs_need_base_reload): Renamed from mvs_label_emitted.
21216 (MAX_MVS_LABEL_SIZE): Define.
21217 (MAX_LONG_LABEL_SIZE): Define.
21218 (alias_node_t, alias_anchor, alias_number): New.
21219 (mvs_function_table): Reorder for EBCDIC.
21220 (ascebc, ebcasc): Unconditionally define.
21221 (i370_branch_dest, i370_branch_length): New functions.
21222 (i370_short_branch, i370_label_scan): New functions.
21223 (mvs_get_label): Renamed from mvs_add_label. Search for
21224 an existing label before creating a new one.
21225 (mvs_add_label): New function.
21226 (mvs_get_label_page): New function.
21227 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
21228 over the entire list.
21229 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
21230 (mvs_check_page) [TARGET_ELF_ABI]: New function.
21231 (mvs_add_alias, mvs_need_alias): New functions.
21232 (mvs_get_alias, mvs_check_alias): New functions.
21233 (handle_pragma): New function.
21234 (mvs_function_check): New function.
21235 (unsigned_jump_follows_p): Search harder.
21236 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
21237 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
21238 * i370.h (TARGET_VERSION): Delete.
21239 (CPP_SPEC, CPP_PREDEFINES): Delete.
21240 (mvs_label_emitted): Delete.
21241 (TARGET_EBCDIC): Delete.
21242 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
21243 (HANDLE_PRAGMA): Define.
21244 (HARD_REGNO_NREGS): Handle complex modes.
21245 (HARD_REGNO_MODE_OK): Likewise.
21246 (CLASS_MAX_NREGS): Likewise.
21247 (RET_REG): Likewise.
21248 (EXTRA_CONSTRAINT): Define.
21249 (RETURN_IN_MEMORY): True for DImode.
21250 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
21251 (FUNCTION_PROFILER): Delete.
21252 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
21253 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
21254 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
21255 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
21256 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
21257 (ASM_FILE_START): Add "RMODE ANY".
21258 (ASM_OUTPUT_EXTERNAL): Check for aliases.
21259 (ASM_GLOBALIZE_LABEL): Likewise.
21260 (ASM_OUTPUT_LABELREF): Likewise.
21261 (ASM_OUTPUT_COMMON): Likewise.
21262 (PRINT_OPERAND): Handle 'K', 'W', default.
21263 (PRINT_OPERAND_ADDRESS): New.
21264 (Lots of defines): Add support for TARGET_ELF_ABI.
21265 * i370.md (attr length): New. Define for all patterns.
21266 (*): Lots of tweeks to assembly output and constraints.
21268 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
21270 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
21271 Disable patterns performing SImode comparisons with SImode values
21272 if TARGET_POWERPC64 and instruction does not sign-extend or does
21273 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
21274 differ for signed quantities.
21275 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
21276 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
21277 (decrement_and_branch_on_count): Add 64-bit variant.
21279 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21281 * final.c (output_asm_insn): When searching for the matching string
21282 for a given dialect, don't run past the end of the list of
21283 alternatives if there are fewer alternatives in the template than
21286 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
21288 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
21289 Removed paragraph about compression of files and size limitation,
21290 duplicated in the FAQ. Use gcc-patches for posting patches.
21291 * gcc.c (main): Updated URL with bug reporting instructions to
21292 gcc.gnu.org. Removed e-mail address.
21293 * system.h (abort): Likewise.
21295 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21297 * Makefile.in (stmp-multilib-sub): Make the files extracted
21298 from $(LIBGCC1) writable.
21300 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
21302 * config/arm/aout.h: Reformat for improved readability.
21304 * config/arm/arm.h: Reformat for improved readability.
21305 Replace uses of fprintf with asm_fprintf where appropriate.
21306 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
21307 function declaration assembler actions.
21308 (NUM_INTS): New macro: Convert from bytes to words.
21309 (NUM_REGS): New macro: Compute number of registers required to
21310 hold a quanitity of tyep MODE.
21311 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
21313 (NUM_ARG_REGS): New macro: The number of argument registers
21315 (ARG_REGISTER): New macro: Compute the register number of the Nth
21317 (LAST_ARG_REGNUM): New macro: The number of the last argument
21319 (SP_REGNUM): New macro: Register number of the stack pointer.
21320 (FP_REGNUM): New macro: Register number of the frame pointer.
21321 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
21322 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
21323 CUMULATIVE_ARGS so that it counts registers not bytes.
21325 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
21327 Replace uses of fprintf with asm_fprintf where appropriate.
21328 (output_ascii_pseudo_op): Replace with version from thumb.c
21330 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
21332 * config/arm/elf.h (CPP_PREDEFINES): Replace with
21333 SUBTARGET_CPP_SPEC.
21334 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
21335 (ASM_FILE_START): Emit ASM_APP_OFF.
21337 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
21339 * pa.c (compute_frame_size): Round frame according to
21340 STACK_BOUNDARY rather than a hardwired value.
21342 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
21344 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
21346 * configure: Rebuilt.
21348 * configure.in (hppa*-*-linux*): New configuration.
21349 * configure: Rebuilt.
21350 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
21351 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
21352 * pa/pa-linux.h: New file.
21353 * pa/t-linux: New file.
21354 * pa/xm-linux.h: New file.
21356 * pa.c (hppa_legitimize_address): Change references from SImode to
21357 either Pmode or word_mode as appropriate.
21358 (emit_move_sequence, store_reg, load_reg): Likewise.
21359 (set_reg_plus_d, hppa_expand_prologue): Likewise.
21360 (output_mul_insn): Likewise.
21361 * pa.h (PROMOTE_MODE): Likewise.
21362 (INITIALZE_TRAMPOLINE): Likewise.
21363 (Pmode): Define to word_mode.
21365 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
21366 value of 4. Allocate 8 bytes for each FP register save.
21367 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
21369 (hppa_expand_prologue): Likewise.
21370 * pa.h (PROMOTE_MODE): Likewise.
21371 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
21372 (FUNCTION_ARG_BOUNDARY): Likewise.
21374 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
21376 * pa.c (out_of_line_prologue_epilogue): Delete.
21377 (override_options): Remove -mspace related code.
21378 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
21379 (compute_frame_size): Only allocate space for register that
21380 actually need to be saved.
21381 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
21382 (TARGET_SWITCHES): Remove -mspace, -mno-space
21383 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
21384 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
21385 * pa/ee.asm, pa/ee_fp.asm: Delete.
21387 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
21389 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
21390 directive in column zero.
21392 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
21394 * m68k.c (output_function_prologue): Fix computation of save mask
21395 when generating PIC code.
21397 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
21399 * tree.c (build_type_attribute_variant): Move current_obstack restore
21400 after build_qualified_type call.
21402 1999-07-15 Mark Mitchell <mark@codesourcery.com>
21404 * configure.in: Use t-iris6, even with GNU LD.
21405 * config/mips/iris6gld.h: Fix typo in linker spec.
21406 * config/mips/t-iris6gld: Remove.
21408 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
21410 * rs6000.md (insv, extzv): Remove SImode dependence in named
21411 patterns. Explicitly generate DImode RTL if PowerPC64 and
21413 (insvdi): Reverse start and size in instruction template.
21415 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
21417 * invoke.texi: Typo fixes.
21419 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
21421 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
21422 handle at this time instead of silently generating incorrect code.
21423 (gen_imagpart): Likewise.
21425 * reload.c (find_reloads): Emit a USE for a pseudo register without
21426 a hard register if we could not create an optional reload for the
21429 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21431 * c-typeck.c (output_init_element, process_init_element):
21432 When advancing constructor_unfilled_fields for a RECORD_TYPE,
21433 check for nameless bit fields.
21435 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
21437 * regclass.c (scan_one_insn): Notice subregs that change the
21438 size of their operand.
21439 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
21441 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
21443 * configure.in (alpha*-*-*): Include alpha/t-ieee.
21444 * configure: Rebuilt.
21445 * alpha/t-ieee: New file.
21447 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
21449 * rs6000.c (find_addr_reg): Do not select r0 as an address
21452 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
21454 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
21456 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
21458 * rs6000.md (movsf): Do not force easy FP constants into memory.
21460 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
21461 immed_double_const to ensure they are properly truncated then
21464 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
21466 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
21467 always unless NO_DEBUG is used. Compile this code
21469 (replace_symbols_in_block): Compile it unconditionally.
21471 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
21473 * configure.in (i?86-*-elf*): New target.
21474 * configure: Rebuilt.
21475 * i386/i386elf.h, i386/t-i386elf: New files.
21477 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21479 * toplev.c (main): Don't complain about saying -gdwarf.
21480 (rest_of_compilation): Remove redundant code.
21482 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
21484 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
21486 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
21488 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
21489 "Li960R:", to avoid name clash.
21491 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21493 * loop.c (check_dbra_loop): When reversing a loop, delete all
21494 REG_EQUAL notes referencing the reversed biv except those which are
21495 for a giv based on it.
21497 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
21499 * version.c: Drop "gcc-" prefix from version #.
21501 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
21503 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
21504 the label if we're being verbose.
21506 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
21508 * m68k.c (output_function_prologue): Add pic register to mask
21509 if live and flag_pic.
21510 (output_function_epilogue): Likewise.
21512 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
21514 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
21515 directives in column zero.
21517 * pa/elf.h (ASM_FILE_START): Define.
21518 * pa/som.h (ASM_FILE_START): Include .level directives.
21519 * pa/hpux10.h (ASM_FILE_START): Delete.
21520 * pa/hpux11.h (ASM_FILE_START): Delete.
21522 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
21524 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21526 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
21527 when reload_out equals reload_in.
21529 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
21531 * invoke.texi (Spec Files): New node: Describe the contents of
21534 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
21536 * invoke.texi (DEC Alpha Options): Put @end table at
21537 beginning of line, to avoid confusing texi2html.
21539 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
21541 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
21542 introduced in previous delta.
21544 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21546 * reload1.c (gen_reload): When synthesizing a 3 operand add
21547 sequence, improve test for when to reload OP1 into the reload
21548 register instead of OP0.
21550 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
21552 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
21554 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
21556 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
21559 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
21561 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
21562 (va_dcl): Use __builtin_va_alist_t.
21564 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
21566 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
21567 on the permanent_obstack.
21568 * dwarfout.c (output_type): Likewise.
21570 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
21572 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21573 Merged from c-typeck.c and cp/typeck.c.
21574 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21575 Merged into c-common.
21577 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
21579 * c-lex.c (errorcount): Declare it.
21580 (finish_parse): Update errorcount when using CPPLIB.
21582 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
21584 * fixinc/inclhack.def(end_else_label): Double the backslash so
21585 sed gets a chance to see it.
21586 * fixinc/inclhack.sh: regen
21587 * fixinc/fixincl.x: regen
21589 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
21591 Add framework to support armv5 architecture when it becomes
21594 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
21595 (arm_arch5): New variable.
21596 (all_architectures): Add armv5 line.
21597 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
21598 -march=armv5 is specified on the command line.
21599 (arm_arch5): Export this variable.
21600 * invoke.texi: Document new string accepted by -march= switch for
21603 * config/arm/arm.h: Replace use of constant 12 as a register
21604 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
21605 * config/arm/arm.c: Replace use of constant 12 as a register
21606 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
21608 * config/arm/elf.h: Tidy up.
21609 * config/arm/coff.h: Tidy up.
21611 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
21613 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
21614 * gcc/config/mips/t-iris6gld: New file.
21615 * gcc/config/mips/iris6gld.h: Likewise.
21617 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
21619 * c-decl.c (widest_integer_literal_type_node,
21620 widest_unsigned_literal_type) : New.
21621 (init_decl_processing): Handle/use the two new types.
21622 * c-common.c (type_for_size,type_for_mode) : Same.
21623 * c-lex.c (yylex) : Same.
21624 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21626 * c-tree.h (widest_integer_literal_type_node,
21627 widest_unsigned_literal_type) : New.
21629 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
21631 * dwarfout.c (field_byte_offset): Correctly compute the object's
21632 byte offset for the first bit of a field which crosses an alignment
21633 boundary on a !BYTES_BIG_ENDIAN target.
21635 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
21637 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
21640 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
21641 Jeff Law <law@cygnus.com>
21643 * ginclude/varargs.h (va_dcl): Use word_mode for type of
21646 * except.c: Include intl.h.
21647 (expand_eh_return): Set current_function_cannot_inline.
21648 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
21649 * function.h (struct function): Add eh_return_stub_label.
21650 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
21651 * Makefile.in (except.o): Depend on intl.h.
21653 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
21655 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
21656 same as offsettable in cases 1 and 2.
21658 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
21660 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
21661 (extlh, extwh): Likewise.
21663 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
21665 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
21667 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
21669 * configure.in: Add arm-pe and thumb-pe targets.
21670 * configure: Regenerate.
21672 * thumb.c (arm_naked_function_p): New function: Determines if
21673 a function is naked (has no gcc generated prologue/epilogue).
21674 (is_called_in_ARM_mode): Return true if the func has the
21675 interfacearm attribute.
21676 (output_return): Do not generate a return for naked functions.
21677 (thumb_function_prologue): Do not generate a prologue for
21679 (thumb_expand_prologue): Do not generate a prologue for naked
21681 (thumb_expand_epilogue): Do not generate an epilogue for naked
21683 (arm_valid_machine_decl_attribute): New function, copied from
21684 arm.c: Permit naked and interfacearm attributes.
21686 * config/arm/pe.c: New file: Support code for arm-pe target.
21687 * config/arm/pe.h: New file: Header file for arm-pe target.
21688 * config/arm/tpe.h: New file: Header file for thumb-pe target.
21689 * config/arm/t-thumb-pe: New file: Makefile fragment for
21692 1999-07-01 Mark Kettenis <kettenis@gnu.org>
21694 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
21695 -fPIC or -fpic is specified.
21697 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
21699 * expr.c (emit_block_move): Use copy_to_mode_reg for
21700 !TARGET_MEM_FUNCTIONS case too.
21702 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
21704 * configure: Rebuilt.
21705 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
21706 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
21707 definitions made redundant by dbxelf.h inclusion. Delete
21708 lots of definitions related to assembly output that are
21709 specific to the SOM object format.
21710 * pa.c (output_function_prologue): Do not emit the function's
21712 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
21713 * pa-pro.h: Deleted.
21714 * som.h: New file with SOM specific definitions.
21715 * elf.h: New file with ELF specific definitions.
21717 * elfos.h (const_section): Output a tab before assembler directives.
21718 (ctors_section, dtors_section): Likewise.
21719 (ASM_OUTPUT_SECTION_NAME): Likewise.
21721 * pa/pa1.h: Delete unused file.
21723 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
21725 * configure.in (hppa*-hp-hpux11*): New configuration.
21726 * configure: Rebuilt.
21727 * pa/pa-hpux11.h: New file.
21728 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
21731 * mips.md (leasi, leadi): New patterns.
21733 * expr.c (emit_block_move): Properly handle case where one of the
21734 block move arguments has a queued increment or decrement.
21735 (clear_storage): Similarly. Fix formatting goof.
21737 1999-06-28 "David O'Brien" <obrien@NUXI.com>
21739 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
21740 semicolon from the BSD VA_LIST replacement expression.
21742 * fixinc/inclhack.sh: regen
21743 * fixinc/fixincl.x: regen
21745 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
21746 now use the fixincl program.
21748 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
21750 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
21751 case. Also make the PIC register call_used.
21753 * m68k.h (FINALIZE_PIC): Delete.
21754 * m68k.c (finalize_pic): Delete.
21756 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
21758 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
21761 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
21763 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
21765 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
21767 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
21769 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
21771 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
21773 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
21775 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
21777 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
21779 * rs6000.c (output_toc): Always use hex values for floating-point
21780 constants. Store single-precision values in upper-half of TOC
21781 entry in 64-bit mode.
21782 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
21783 to final constraints.
21784 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
21785 (fctiwz): Improve accuracy of RTL for pattern.
21787 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
21789 * expr.c (expand_expr): Allow RTL_EXPR's through the
21790 MAX_INTEGER_COMPUTATION_MODE checks.
21792 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
21794 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
21795 such that MASK_SUPPORT_ARCH is not negative.
21797 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
21799 * loop.c (verify_dominator): Properly handle ADDR_VEC and
21800 ADDR_DIFF_VEC insns that appear inside loops.
21802 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
21803 Jeff Law <law@cygnus.com>
21805 * rs6000.md (movdf_hardfloat32): Revert previous patch.
21806 Handle LO_SUM the same as offsettable in cases 1 and 2.
21807 * rs6000.c (find_addr_reg): Revert previous patch.
21809 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
21811 * system.h (strstr): New external function declaration.
21812 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
21813 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
21814 * config.in, configure: Rebuilt.
21816 1999-06-24 Tom Tromey <tromey@cygnus.com>
21818 * gcc.c (main): Read user-specified specs files after computing
21819 additional startfile_prefixes.
21821 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
21823 Revert these two patches:
21825 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21826 * loop.c (strength_reduce): When doing biv->giv conversion, update
21827 reg note of NEXT->insn.
21829 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21830 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21832 (recombine_givs): Set ix field after sorting.
21834 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21836 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
21837 for the parts of an UNSPEC / UNSPEC_VOLATILE.
21839 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
21841 *fixinc/inclhack.def: Add fix development commentary
21842 (read_ret_type): reactivate and add selection clause
21843 (zzz_*): tweak output file name to match what is used in hackshell.tpl
21844 *fixinc/{fixincl.x|inclhack.sh}: regen
21846 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
21848 * expr.c (expand_expr): STRIP_NOPS before checking against
21849 MAX_INTEGER_COMPUTATION_MODE
21850 (check_max_integer_computation_mode): Likewise.
21852 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
21854 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
21856 1999-06-22 Jim Wilson <wilson@cygnus.com>
21858 * expr.c (store_expr): When target is a promoted subreg, return a
21859 promoted subreg as a result.
21861 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
21863 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
21865 (dwarf2out_define): Mark unused parameters appropriately.
21866 (gen_unspecified_parameters_die): Ditto.
21867 (gen_subprogram_die): Fix signed/unsigned warnings.
21868 (gen_variable_die): Ditto.
21870 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
21872 * fixinc/inclhack.def(end_else_label): combined else_label
21873 and endif_label and fixed the sed expression.
21874 *fixinc/{fixincl.x|inclhack.sh}: regen
21876 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
21878 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
21879 'x' when handling non-offsettable addresses
21881 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
21883 * final.c (shorten_branches): Don't try to split an insn that has
21886 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
21888 * config/mips/mips.c (symbolic_expression_p): New function.
21889 (mips_select_rtx_section): Put symbolic expressions in the
21890 data section, not the read-only data section.
21892 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
21894 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
21896 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
21898 * collect2.c (main): Log frame table count.
21899 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
21900 (scan_prog_file) [COFF]: Handle frame tables.
21902 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
21903 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
21904 * alpha/elf.h: Undef them again.
21905 * alpha/vms.h: Remove their definitions.
21907 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21909 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
21910 remove the clobber of r0 and change the REG_UNUSED note to
21913 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
21915 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
21916 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
21917 fits in HOST_WIDE_INT and one uses union to access a long constant
21920 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
21922 * sparc.c (sparc_override_options): Don't allow profiling for
21923 code models other than medlow.
21924 (sparc_function_profiler): New function from old FUNCTION_PROFILER
21925 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
21926 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
21927 (sparc_block_profiler): Likewise.
21928 (sparc_function_block_profiler_exit): Likewise.
21929 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
21930 (FUNCTION_BLOCK_PROFILER): Likewise.
21931 (BLOCK_PROFILER): Likewise.
21932 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
21933 (MCOUNT_FUNCTION): New.
21934 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
21935 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
21936 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
21937 (MCOUNT_FUNCTION): New.
21938 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
21939 (BLOCK_PROFILER): Delete.
21940 (MCOUNT_FUNCTION): New.
21942 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
21944 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
21946 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
21948 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21951 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21954 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21957 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21960 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
21962 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
21965 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
21967 * i386/djgpp.h (LIB_SPEC): New.
21968 (STARTFILE_SPEC): New.
21970 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
21972 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
21974 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
21977 * system.h (WSTOPSIG): New macro.
21979 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
21981 * c-pragma.c (push_alignment): Don't ignore alignments greater than
21983 (insert_pack_attributes): Take into account member natural
21986 * i386/winnt.c (exports_head): New static variable.
21987 (i386_pe_record_exported_symbol): New function.
21988 (i386_pe_asm_file_end): Use.
21989 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
21990 symbols to be emitted at end of assembly.
21991 (ASM_DECLARE_OBJECT_NAME): Likewise.
21992 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21994 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
21997 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
21999 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
22002 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
22004 * haifa-sched.c (sched_analyze_1): Use free_list instead of
22005 zapping reg_last_uses directly.
22006 (sched_analyze_2, sched_analyze_insn): Likewise.
22007 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
22009 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
22011 * rs6000.md (movdf_hardfloat32): Use worst case insn length
22012 attributes for cases 1 and 2.
22014 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
22016 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
22019 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
22021 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
22023 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
22025 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
22026 PIC_OFFSET_TABLE_REGNUM for general alloaction.
22027 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
22028 must be stacked if it is used for PIC accesses.
22029 * arm.c (use_return_insn): Handle PIC register specially.
22030 (output_return_instruction): Likewise.
22031 (output_func_{prologue,epilogue}): Likewise.
22032 (output_expand_prologue): Likewise.
22034 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
22035 (*strsi_predec): Renamed from *strqi_predec.
22036 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
22037 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
22039 * arm.c (arm_override_options): Remove warning about PIC code
22040 not being supported.
22042 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
22044 * rs6000.c (find_addr_reg): New function.
22045 * rs6000.h (find_addr_reg): Declare.
22046 (offsettable_addr_operand): Delete.
22047 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
22048 from and stores to GPRs.
22050 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
22052 * alpha.c (alpha_expand_block_move): Use get_insns rather than
22053 gen_sequence as argument to emit_no_conflict_block.
22055 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22057 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
22058 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
22059 *fixinc/fixincl.x: regen
22060 *fixinc/inclhack.sh: regen
22062 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
22064 * added support for -mpcrel (PC relative addressing for m68k)
22065 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
22066 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
22067 * m68k.c (print_operand_address): Handle 32-bit PIC case.
22068 (comments for general_src_operand): Add some explanation
22069 about EXTRA_CONSTRAINTS.
22070 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
22071 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
22072 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
22073 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
22074 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
22075 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
22076 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
22077 if not already set.
22078 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
22079 * m68k.h (TARGET_PCREL): New target flag.
22080 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
22081 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
22082 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
22083 contains a SYMBOL_REF. Relax this constraint during reload, since
22084 we want to use the predicates, not reload's built-in concept of a
22085 valid memory address, to control what insns need reloading.
22086 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
22087 operands (essentially 'g', 'm', and 's' under normal circumstances).
22088 * m68k.c (print_operand): Cause printing of pc-relative addresses
22089 to include pc register.
22090 (print_operand_address): Ditto.
22091 (general_src_operand): Accept operands that are not only
22092 general_operands, but are also valid when used as a pc-relative
22094 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
22095 (memory_src_operand): Similar, for memory_operands.
22096 (pcrel_address): New predicate to accept the special case of a
22097 pc-relative address.
22098 * m68k.md (many patterns): Rewrite common SImode, HImode, and
22099 QImode insns to accept *_src_operand instead of *_operand where
22100 pc-relative operands can fit. For example, a pc-relative operand
22101 can be used as a memory source operand for addsi3, but not as a
22102 memory destination.
22103 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
22105 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
22107 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
22108 .thumb_set pseudo op to mark aliases of thumb functions.
22110 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
22112 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
22113 preference to ASM_OUTPUT_DEF, if it is defined.
22115 * tm.texi: Document new, optional target macro
22116 ASM_OUTPUT_DEF_FROM_DECLS.
22118 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22120 * fixincludes: ISCNTL patch
22121 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
22122 (dgux_int_varargs): new for DG/UX
22123 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
22125 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
22127 * invoke.texi (ia32 options): Fix typo.
22129 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22131 * loop.c (strength_reduce): When doing biv->giv conversion, update
22132 reg note of NEXT->insn.
22134 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
22136 * loop.c (move_movables): Note issues with replacing REGs with
22138 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
22140 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
22142 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
22144 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
22145 the reference to `mcount' was not correct for the ELF on FreeBSD.
22147 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22149 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22152 (recombine_givs): Set ix field after sorting.
22154 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
22156 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
22157 to safe to extract a subword out of a REG.
22159 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22161 * sh.md (mulsi3): Don't add a no-op move at the end.
22163 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22165 * cse.c (cse_insn): Don't put hard register source into tables for
22166 the last insn of a libcall.
22168 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22170 * loop.c (strength_reduce): Insert sets of derived givs at every
22171 biv increment, even if it's the only one.
22173 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22175 * dwarfout.c (add_incomplete_type): New fn.
22176 (output_type): Call it.
22177 (retry_incomplete_types): New fn.
22178 (dwarfout_finish): Call it.
22180 From Eric Raskin <ehr@listworks.com>:
22181 (output_type): Output types for bases.
22183 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22185 * mips.c (mips_output_conditional_branch): Add `break'
22186 between `default' label and `close braces'.
22188 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
22190 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
22191 specifications and make it realistic.
22192 (LIB_SPEC): Likewise.
22194 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
22196 * config/mips/mips.c (mips_secondary_reload_class): Check for
22197 (PLUS (SP) (REG)) and return appropriate register class.
22198 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
22199 Handle (PLUS (SP) (REG)).
22200 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
22201 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
22202 of emit_insn for tablejump.
22204 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
22206 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
22207 asm_fprintf format string by itself.
22208 (output_function_profiler): Likewise.
22210 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
22212 * combine.c (simplify_logical, case AND): Only call
22213 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
22214 or the constant is positive.
22216 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
22218 * configure.in: Fix typo in rs6000-ibm-aix4 case.
22219 * configure: Regenerate.
22221 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
22223 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
22224 require a sub-version #.
22225 * configure: Rebuilt.
22227 1999-06-14 Robert Lipe (robertlipe@usa.net)
22229 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
22231 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
22233 * c-typeck.c (process_init_element): Detect excess elements in
22234 char array initializer.
22236 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22238 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
22240 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22242 * invoke.texi (Option Summary): Add -fpermissive flag.
22244 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
22246 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
22247 that require PIC code sequences.
22249 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
22251 * configure.in: Add new target: thumb-elf.
22252 * configure: Regenerate.
22253 * config/arm/t-thumb-elf: New file: Makefile fragment for
22255 * config/arm/telf.h: New file: Header file for thumb-elf
22258 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
22260 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
22261 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
22262 initializers is some circumstances.
22264 * fixinc/inclhack.def (endif_label): Add additional selector for
22265 more bogus stuff after #endif statements.
22266 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
22268 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
22270 * i386/cygwin.h (SET_ASM_OP): Define.
22272 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
22274 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
22276 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22278 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
22281 * sh.md (ic_invalidate_line_i): Remove second alternative.
22283 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22285 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
22286 test for the presence of valid prototypes. Delete bypass expr.
22287 (ioctl_fix_ctrl): Correct the selection expression.
22288 (no_double_slash): Correct quoting rules
22289 *fixinc/fixincl.x: regen
22290 *fixinc/inclhack.sh: regen
22292 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
22294 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
22296 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22298 * rs6000.md (movsi_got_internal_mem): Delete.
22299 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
22300 (GOT_TOC_REGNUM): Delete.
22301 (PIC_OFFSET_TABLE_REGNUM): Define.
22302 (FINALIZE_PIC): Disable.
22303 * rs6000.c (rs6000_got_register): New code for fixed pic register.
22304 (rs6000_replace_regno): Delete.
22305 (rs6000_finalize_pic): Likewise.
22306 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
22308 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22310 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
22311 is a note; use <= for the compare; advance P while it is
22314 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
22316 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
22317 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
22319 * varasm.c (remove_from_pending_weak_list): Verify t->name
22320 is non-NULL before passing it to strcmp.
22322 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22324 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
22325 the typed arguments are not part of a comment
22326 (ioctl_fix_ctrl): Added a purpose comment
22327 *fixinc/fixincl.x: regenerate
22328 *fixinc/inclhack.sh: regenerate
22330 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22332 * invoke.texi: Add C4x invocation docs.
22334 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22336 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
22338 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
22340 (c4x_legitimize_reload_address): New function.
22341 * config/c4x/c4x.md: Update docs.
22343 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
22345 * fixincludes: Avoid removing '.'.
22346 * fixinc/fixinc.svr4: Likewise.
22347 * fixinc/fixinc.winnt: Likewise.
22348 * fixinc/inclhack.tpl: Likewise.
22349 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
22351 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22353 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
22355 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
22357 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
22359 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
22362 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
22364 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
22365 * configure: Regenerate.
22367 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
22369 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
22372 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
22374 * fixinc/inclhack.def (avoid_bool): Also catch
22375 "typedef [unsigned] int bool".
22376 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22378 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
22379 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
22380 * configure: Rebuilt.
22382 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
22384 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
22385 such that we can override its definitions if necessary.
22386 (CPP_SPEC): New define. Support processor specific predefines via
22388 (CC1_SPEC): New define. Support processor specific compiler
22389 options via %(cc1_cpu).
22390 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
22393 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22395 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
22396 between sed's -e flag, and the open-quote following it.
22397 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22399 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
22400 Jeffrey A Law (law@cygnus.com)
22402 * varasm.c (assemble_start_function): Remove the function
22403 from the pending weak decls list when we define a function.
22404 (assemble_variable): Similarly for variables.
22405 (weak_finish): Ignore items on the list with a NULL name.
22406 (remove_from_ending_weak_list); New function to "remove" an item
22407 from the pending weak declarations list.
22409 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22411 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
22413 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
22415 * c-lex.c (GETC): Redefine to call getch.
22416 (UNGETC): Redefine to call put_back.
22417 (putback_buffer): New structure type.
22418 (putback): New static structure.
22419 (getch): New function.
22420 (put_back): New function.
22421 (yylex): Replace unused bytes from bad multibyte character.
22423 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
22425 * cpplib.c (do_define): Cast `alloca' return value.
22426 (do_include, do_undef, do_pragma): Likewise.
22427 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
22429 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
22430 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
22432 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
22434 * sparc.md (abstf2): This should be an expand.
22435 (split after abstf2_notv9): Fix mode.
22436 (abstf2_hq_v9): New pattern.
22437 (abstf2_v9): Only use when no hard quad.
22438 (absdf2_v9): Fix if target is not the same as source.
22439 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
22440 Add correct output constraints.
22442 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
22444 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
22445 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
22447 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
22449 * mips.h (mips_output_conditional_branch): New function.
22450 (mips_adjust_insn_length): Likewise.
22451 (ASSEMBLER_SCRATCH_REGNUM): New macro.
22452 (ADJUST_INSN_LENGTH): Likewise.
22453 * mips.c (print_operand): Add `F' and `W' for floating-point
22454 comparison opcodes.
22455 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
22457 (mips_adjust_insn_length): New function.
22458 (mips_output_conditional_branch): New function.
22459 * mips.md (length): Adjust attribute definition to handle
22460 conditional branches. Change lengths to bytes, rather than
22461 instructions throughout. Remove length attribute from
22462 instructions whose length is four bytes, and rely on the default
22464 (dslot): Fix typo in comment.
22465 Reword conditional branch patterns to use
22466 mips_output_conditional_branch.
22468 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
22470 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
22471 (LIB_SPEC): Likewise.
22472 Link with -lprof1_r for -g/-pg.
22474 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22476 * loop.c (check_dbra_loop): Fix change of Jan 19.
22478 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
22480 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
22481 (STARTFILE_SPEC): Define, override the svr4.h version.
22482 (ENDFILE_SPEC): Likewise.
22484 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
22486 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
22487 * fixinc/fixincl.x: Regenerated.
22488 * fixinc/inclhack.sh: Regenerated.
22490 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22492 * sh.c (barrier_align): Don't return early for normal branch/barrier
22493 when optimizing for SH2.
22495 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
22497 * i386/udk.h (LINK_SPEC): Correct linker search path for
22500 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22502 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
22503 (braf_label_ref_operand): Delete.
22504 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
22505 * sh.md (casesi_jump_2): Operand1 is now the inside of a
22506 label_ref, and has no predicate.
22507 The patten has a predicate to guard against invalid substitutions.
22508 (dummy_jump): Delete.
22509 (casesi): Update use of casesi_jump_2.
22511 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22513 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
22514 *fixinc/fixincl.x: regenerate
22515 *fixinc/inclhack.sh: regenerate
22517 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
22519 * dwarf2out.c (add_incomplete_type): New fn.
22520 (gen_struct_or_union_type_die): Call it.
22521 (retry_incomplete_types): New fn.
22522 (dwarf2out_finish): Call it.
22524 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
22526 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
22527 current block starts with a CODE_LABEL and ends with a CALL and
22528 we can not find all the argument setup instructions for the CALL.
22530 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
22532 Revert this change:
22533 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
22534 something is a candidate for optimize_bit_field_compare.
22536 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22538 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
22540 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
22542 * alpha.c (override_options): Thinko in last patch.
22544 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
22545 (LIB_SPEC): Recognize -pthread.
22547 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
22549 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
22550 definition in config/arm/coff.h
22551 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
22553 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22555 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
22556 fixes that need "file=xxx\n" prepended before invocation
22557 (start_fixer - new): starting the fixer process is complex enough
22558 to warrent its own routine. It prepends the "file=xxx\n" stuff.
22559 (process): uses the new routine; omit usage of putenv()
22560 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
22561 * fixinc/fixincl.x: regenerate
22563 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
22565 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
22566 and version #s (1.1 -> 2.96) as needed.
22567 * README.g77: Kill way out of date file in the toplevel directory.
22569 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
22571 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
22572 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
22573 * configure: Rebuilt.
22574 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
22575 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
22576 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
22577 (SWITCH_TAKES_ARG): Likewise.
22578 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
22579 * config/t-freebsd: Moved from config/i386/ so it can used for all
22582 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
22584 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
22586 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
22588 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
22589 * configure: Rebuilt.
22591 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
22593 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
22594 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
22595 * rs6000/rs6000.c (rs6000_file_start): Use putc.
22596 (rs6000_output_load_toc_table): Same.
22597 (output_prolog, output_mi_thunk): Same.
22598 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
22599 (ASM_GLOBALIZE_LABEL): Use putc.
22601 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
22603 * alpha.md (reload_*_help): New patterns and splitters.
22604 (reload_*): Use them.
22605 (mov[qh]i): Likewise.
22607 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
22609 * cccp.c (handle_directive): Handle backslash-newlines in quoted
22612 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
22614 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
22616 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
22618 * flow.c (mark_regs_live_at_end, insn_dead_p,
22619 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
22620 and HARD_FRAME_POINTER_REGNUM special treatment if reload
22621 hasn't run or the frame pointer is needed.
22622 * haifa-sched.c (attach_deaths): Likewise.
22623 * sched.c (attach_deaths): Likewise.
22625 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
22627 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
22628 calculate_can_reach_end returns nonzero.
22630 * configure.in (native gas tests): Search for an assembler in the
22631 same manner that the installed compiler will.
22632 * configure: Rebuilt.
22633 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
22635 * alias.c (find_base_term): Improve handling of addresses
22636 constructed from binary operations.
22638 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
22640 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
22642 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
22644 * function.h (cleanup_label, frame_offset): Declare.
22645 (tail_recursion_label, tail_recursion_reentry): Likewise.
22646 (arg_pointer_save_area, rtl_expr_chain): Likewise.
22647 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
22648 (tail_recursion_label, tail_recursion_reentry): Likewise.
22649 (arg_pointer_save_area, rtl_expr_chain): Likewise.
22651 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
22653 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
22655 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
22656 (MAX_OFILE_ALIGNMENT): Define.
22658 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
22660 * fixincl.c: Replace local include scheme with #includes of
22661 gansidecl.h and system.h.
22662 * procopen.c: Likewise.
22663 * server.c: Likewise.
22665 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
22667 * i386/t-dgux (EXTRA_PARTS): Add crti.o
22668 (crti.o): Add build rule and dependencies.
22669 * fixinc/fixinc.dgux: Use modified _int_varargs.h
22671 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22673 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
22674 (LIB_LINUX_SPEC): Likewise.
22675 (LIB_LINUX_SPEC): Add support for -pthread
22676 (CPP_OS_LINUX_SPEC): Likewise.
22677 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
22680 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
22682 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
22684 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
22685 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
22686 for IEEE math and CC_FCOMI.
22687 (put_jump_code): No IEEE if CC_FCOMI is set.
22689 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22691 * fold-const.c (fold_truthop): Make the field reference unsigned
22692 when converting a single bit compare.
22694 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22696 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
22698 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
22700 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
22701 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
22704 * reload.c (push_reload): Do not call remove_address_replacements
22705 when presented with identical optional reloads.
22707 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
22709 * alpha.h (MASK_FIX, TARGET_FIX): New.
22710 (MASK_*): Reorganize constants.
22711 (CPP_AM_FIX_SPEC): New.
22712 (TARGET_SWITCHES): Add FIX.
22713 (EXTRA_SPECS): Likewise.
22714 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
22715 (SECONDARY_MEMORY_NEEDED): Likewise.
22716 (REGISTER_MOVE_COST): Likewise.
22717 * alpha.c (override_options): Add FIX support. Always use
22718 ALPHA_TP_PROG for ev6.
22719 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
22720 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
22721 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
22723 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
22725 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
22726 something is a candidate for optimize_bit_field_compare.
22728 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
22730 * gcc.texi (Passes): Document branch-shortening.
22731 * invoke.texi (Debugging Options): Document the fact that `-dp'
22732 outputs length information for instructions.
22734 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
22736 * flow.c: Revert previous delta.
22738 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
22740 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
22741 FRAME_POINTER_REGNUM.
22742 (mark_set_1): Ditto.
22743 (mark_used_regs): Ditto.
22745 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
22747 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
22748 (GOT_PCREL): New macro. Define to 1 if not already defined.
22749 * arm/elf.h (GOT_PCREL): Define to 0.
22750 * arm.c (arm_finalize_pic): Take into account the setting of
22753 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
22755 * output.h (STRIP_NAME_ENCODING): Provide default definition.
22756 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
22758 * flow.c (mark_set_1): Do not record BLKmode stores as dead
22759 store elimination candidates.
22761 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
22763 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
22766 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
22768 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
22769 Add use of x-aix41-gld.
22771 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
22773 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
22774 (ASM_OUTPUT_DESTRUCTOR): Define.
22776 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
22778 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
22779 last CODE_LABEL in a loop if we have previously passed a jump
22780 to the top of the loop.
22782 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
22784 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
22785 applying Philip's patch.
22787 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
22789 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
22792 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
22794 * loop.c (strength_reduce): Grow reg_single_usage as needed.
22796 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
22798 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
22799 Also remove a useless comment.
22801 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22803 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
22805 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
22807 * collect2.c (main): Only generate import or export file and add
22808 to link arguments if non-empty. Use xmalloc not alloca.
22809 (write_{export,import}_file): Delete.
22810 (write_aix_file): New function.
22811 (locatelib): Use xmalloc not malloc.
22812 (GCC_OK_SYMBOL): Do not check type if aix64.
22814 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
22816 Based on patch by Scott Bambrough and Pat Beirne:
22817 * config/arm/arm.c (making_const_table): New variable.
22818 * config/arm/arm.h (making_const_table): Declare.
22819 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
22821 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
22822 Keep track of when we are building the constant table.
22824 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
22826 * config/arm/arm.c (arm_override_options): Fix erroneous warning
22829 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
22831 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
22834 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
22836 * tm.texi (FUNCTION_ARG): Correct description of a stack element
22839 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
22841 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
22843 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22845 * rs6000.c (output_mi_thunk): Enable full support again.
22847 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22849 * sh.h (BRANCH_COST): Define.
22851 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
22853 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
22855 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
22857 * function.c (assign_stack_local): Align stack slot propertly.
22858 (assign_outer_stack_local): Likewise.
22860 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
22862 * expr.h (lang_expand_constant): Declare.
22863 * toplev.c (lang_expand_constant): Define it.
22864 * varasm.c (output_constant): Use it.
22866 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22868 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
22869 Change function definitions to K&R style.
22871 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22873 * fixinc/fixincl.c: We must not ignore SIGCLD now.
22875 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
22877 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
22878 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
22879 (several places): omit static initialization
22880 (process): use single fd, since only the read fd is used
22881 * fixinc/gnu-regex.c: define 'const' away, if not supported
22882 * fixinc/procopen.c(several places): omit static initialization
22883 * fixinc/server.c: define 'volitile' away, if not supported
22885 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22887 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
22888 asm_fprintf and %L to generate the label name.
22889 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
22890 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
22892 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
22894 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
22895 insn for a conditional jump can not be found.
22897 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
22899 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
22900 on variables in specific sections other than .sbss and .sdata.
22902 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
22904 * stmt.c (expand_return): Call start_cleanup_deferral and
22905 end_cleanup_deferral around conditional code.
22907 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22909 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
22910 filename lists. Utilizes new "krstr" AutoGen function.
22911 * fixinc/fixincl.x: Rebuilt.
22913 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
22915 * i386.c (output_float_compare): Avoid GNU-C extensions.
22917 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
22919 * version.c: Bump to distinguish mainline tree from the
22922 See ChangeLog.1 for earlier changes.