1 2000-04-06 Richard Henderson <rth@cygnus.com>
3 * genrecog.c (*): Rename _last_insn to last_insn.
4 (make_insn_sequence): Set the position of the peephole2 C test
5 to be at the last insn.
7 2000-04-06 Richard Henderson <rth@cygnus.com>
9 * flow.c (compute_flow_dominators): Free worklist.
11 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
13 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
15 2000-04-06 Alex Samuel <samuel@codesourcery.com>
17 * rtl.h (INSN_P): New macro.
18 (successor_phi_fn): New typedef.
19 (for_each_successor_phi): New prototype.
20 (in_ssa_form): New variable.
21 (PHI_NODE_P): Likewise.
22 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
23 phi nodes in successors.
24 (mark_used_regs): Add PHI case.
25 (set_phi_alternative_reg): New function.
26 (life_analysis): Assert that dead code elimination is not selected
28 * toplev.c (to_ssa_time): New variable.
29 (from_ssa_time): Likewise.
30 (compile_file): Zero to_ssa_time and from_ssa_time.
31 Print time to convert to and from SSA.
32 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
33 (print_time): Compute percent fraction as integer.
34 * ssa.c (PHI_NODE_P): Moved to rtl.h.
35 (convert_to_ssa): Check if we're already in SSA.
36 Don't eliminate dead code in life_analysis.
37 Rerun flow and life analysis at bottom.
38 (eliminate_phi): Use canonical regnos when adding nodes.
39 (mark_reg_in_phi): New function.
40 (mark_phi_and_copy_regs): Likewise.
41 (convert_from_ssa): Rerun life analysis at top.
42 Use coalesced partition.
43 Check for removing a phi node at the end of the block.
44 (compute_coalesced_reg_partition): New function.
45 (coalesce_regs_in_copies): Likewise.
46 (coalesce_reg_in_phi): Likewise.
47 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
48 (for_each_successor_phi): Likewise.
49 (rename_context): New struct.
50 (rename_block): Use a rename_context with rename_insn_1. When
51 renaming sets of a subreg, emit a copy of the entire reg first.
52 (rename_insn_1): Treat data as a rename_context *. Save current
54 (rename_set_data): Add field set_insn.
55 * Makefile.in (HASHTAB_H): Move up in file.
56 (OBSTACK_H): New macro.
57 (collect2.o): Use OBSTACK_H in dependencies.
59 (emit-rtl.o): Likewise.
60 (simplify-rtx.o): Likewise.
61 (fix-header.o): Likewise.
62 (OBJS): Add conflict.o.
63 (conflict.o): New rule.
64 * basic-block.h: Include partition.h.
65 (conflict_graph): New typedef.
66 (conflict_graph_enum_fn): Likewise.
67 (conflict_graph_new): New prototype.
68 (conflict_graph_delete): Likewise.
69 (conflict_graph_add): Likewise.
70 (conflict_graph_conflict_p): Likewise.
71 (conflict_graph_enum): Likewise.
72 (conflict_graph_merge_regs): Likewise.
73 (conflict_graph_print): Likewise.
74 (conflict_graph_compute): Likewise.
75 * conflict.c: New file.
77 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
79 * tlink.c (read_repo_files): Don't look for .rpo info for
82 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
84 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
86 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
88 * config/sh/lib1funcs.asm (___udivsi3_i4):
89 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
90 only depends on FMOVD_WORKS.
92 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
94 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
95 make double constant 8-byte aligned.
97 2000-04-06 Jakub Jelinek <jakub@redhat.com>
99 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
100 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
101 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
102 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
103 Accept storing GENERAL_REGS into offsetable memory.
104 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
105 building a TFmode constant other than 0.0L into GENERAL_REGS.
107 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
109 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
111 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
113 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
114 (macro_cleanup): No need to cast pbuf->macro.
115 (collect_expansion): Use _cpp_get_define_token. Goto done if
116 it returns VSPACE. Remove check for trailing space after
118 (_cpp_create_definition): Don't diddle flags here. Return
120 (unsafe_chars): Handle c1 being EOF.
121 (push_macro_expansion): Use unsafe_chars for both accidental-paste
122 checks. Don't push the buffer till after we're done with
124 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
125 (PEEKN, FORWARD, GETC, PEEKC): Use them.
126 (cpp_push_buffer): Don't set new->alimit. Set new->mark
128 (_cpp_parse_assertion): Don't NUL terminate.
129 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
130 hspace before calling _cpp_parse_assertion. Remove all sets
131 of only_seen_white. Treat '\f' as hspace. Don't do anything
132 special with '\n' here.
133 (maybe_macroexpand): Handle T_EMPTY hash entries without
134 pushing a buffer at all.
135 (cpp_get_token): Handle clearing only_seen_white here. Handle
136 incrementing the line number here. Clear
137 potential_control_macro as well as only_seen_white, if
139 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
140 (_cpp_get_define_token): New function, basically like
141 _cpp_get_directive_token was but doesn't eat horizontal space.
142 Don't do anything with only_seen_white here.
143 (_cpp_get_directive_token): Just call _cpp_get_define_token
144 repeatedly till it returns non-hspace.
146 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
147 (conditional_skip, skip_if_group): Return int.
148 (DIRECTIVE_TABLE): Change origin of all conditional directives
150 (TRAD_DIRECT_P): New macro.
151 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
152 an error for a bogus directive, unless -lang-asm. Use
153 TRAD_DIRECT_P. Loop calling handler functions till one returns
155 (get_macro_name): Don't diddle flags here.
156 (do_define): Diddle flags here. Use _cpp_get_directive_token.
157 Create T_EMPTY nodes for #define macro /* nothing */.
158 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
159 Use hp->name when calling pass_thru_directive.
160 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
161 Return the result of conditional_skip and/or skip_if_group.
162 Don't call _cpp_output_line_command.
163 (consider_directive_while_skipping): Use _cpp_get_directive_token.
164 Issue -Wtraditional warnings as appropriate. Don't complain
165 about unrecognized directives. If we are to stop skipping,
166 return the number of the directive that ended the skip.
167 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
168 expansion and line commands while skipping. Return the result
169 of consider_directive_while_skipping, if nonzero.
170 (do_endif): Just set potential_control_macro here.
171 (validate_else): Use _cpp_get_directive_token.
172 (do_assert, do_unassert): Don't save pointers into the
173 token_buffer across calls to the lexer. Use
174 _cpp_get_directive_token.
176 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
177 pointer, not an offset. Replace 'data', which was a generic
178 pointer, with 'macro', which points to a struct hashnode.
179 (cpp_reader): Add 'potential_control_macro' pointer.
180 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
181 (CPP_BUF_GET, CPP_FORWARD): Delete.
182 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
183 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
184 ACTIVE_MARK_P): Update.
185 (_cpp_get_define_token): New internal function.
186 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
188 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
190 * configure.in: And here.
191 * configure: Regenerate.
192 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
193 --enable-libstdcxx-v3 is passed at configure time.
194 * config.h.in: Regenerate.
196 2000-04-05 Mark Mitchell <mark@codesourcery.com>
198 * final.c (final): Use xcalloc to allocate line_note_exists.
199 * function.c (free_after_compilation): Free the temp_slots.
200 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
201 (combine_temp_slot): Free temp_slots when they get combined.
202 (purge_addressof): Fix typo in comment.
203 * stmt.c (mark_goto_fixup): Mark the fixup itself.
204 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
206 * ggc.h: Include varray.h.
207 (ggc_pending_trees): Declare.
208 (ggc_mark_tree_children): Remove declaration.
209 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
210 * ggc-common.c (ggc_pending_trees): New variable.
211 (ggc_mark_roots): Call ggc_mark_trees.
212 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
213 the ggc_pending_trees.
214 * Makefile.in (GGC_H): New variable. Use it throughout in place
217 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
219 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
222 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
224 * sh.c (sh_insn_length_adjustment): New function.
225 * sh-protos.h (sh_insn_length_adjustment): Declare.
226 * sh.h (ADJUST_INSN_LENGTH): Use it.
228 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
230 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
231 from the insn where REG_RETVAL is added.
232 (emit_no_conflict_block): Ditto.
234 * md.texi (Standard Names): Clarify when movX is needed.
236 * combine.c (simplify_comparison) [MINUS]: Do not replace
237 all (op (minus A B) 0) with (op A B).
239 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
240 J"orn Rennecke <amylaar@cygnus.co.uk>
242 * sh.c (block_lump_real_i4): Add missing clobber of T_REG
243 (block_lump_real): Likewise.
245 2000-04-05 Chris Demetriou <cgd@netbsd.org>
247 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
248 remaining non-zero debugging masks.
250 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
252 * basic-block.h (verify_flow_info): Declare.
253 (flow_loop_outside_edge_p): Declare.
254 * flow.c (verify_flow_info): Remove declaration.
255 (clear_log_links, flow_loop_outside_edge_p): Likewise.
257 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
259 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
262 2000-04-05 Jakub Jelinek <jakub@redhat.com>
264 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
265 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
266 seqdi_zero_trunc+1): Allow splits only if registers are
269 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
271 * acconfig.h: Add HAVE_GAS_HIDDEN.
272 * config.in: Regenerated.
273 * configure.in: Add test for .hidden pseudo-op in gas.
274 * configure: Regenerated.
275 * crtstuff.c: Include auto-host.h.
276 Emit additional .hidden pseudo-op for __dso_handle if the
277 assembler knows about it.
279 2000-04-04 Philippe De Muyter <phdm@macqel.be>
281 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
282 before freeing argnames.
283 * cpplib.c (do_ifndef): Cast return value of xstrdup.
285 2000-04-05 Michael Meissner <meissner@redhat.com>
287 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
288 Walton <jonboy@gordian.com> to make memory references with update
289 work wtih -mregnames.
291 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
294 (regrename_optimize): Rename variables `def_uses' and
295 `ext_basic_blocks' to avoid conflicts with similarly named
296 typedefs in traditional C.
298 * calls.c (initialize_argument_information): Fix typo in previous
301 2000-04-04 Richard Henderson <rth@cygnus.com>
303 * regrename.c (consider_available): Test fixed_regs not
304 PIC_OFFSET_TABLE_REGNUM.
306 2000-04-04 Geoff Keating <geoffk@cygnus.com>
308 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
310 (CRTSTUFF_T_CFLAGS_S): Delete definition.
311 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
312 (ENDFILE_LINUX_SPEC): Always use crtend.
313 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
314 (powerpc-*-linux-gnu): Likewise.
315 * configure: Regenerate.
317 * config/rs6000/eabi.h: Don't include sysv4.h.
318 (MULTILIB_DEFAULTS): Don't define.
319 * config/rs6000/eabiaix.h: Don't include eabi.h.
320 * config/rs6000/eabile.h: Delete.
321 * config/rs6000/eabilesim.h: Delete.
322 * config/rs6000/eabisim.h: Don't include eabi.h.
323 * config/rs6000/linux.h: Don't include sysv4.h.
324 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
325 (MULTILIB_DEFAULTS): Don't redefine.
326 * config/rs6000/rtems.h: Don't include eabi.h.
327 * config/rs6000/sol2.h: Don't include sysv4le.h.
328 * config/rs6000/sysv4le.h: Don't include sysv4.h.
329 * config/rs6000/t-ppc: Delete.
330 * config/rs6000/t-ppcgas: Correct comment.
331 * config/rs6000/t-ppcos: Correct comment. Don't build
332 multilibs for -fPIC, rather use -fPIC -mstrict-align
334 * config/rs6000/t-ppc: Delete.
335 * config/rs6000/vxppc.h: Don't include sysv4.h.
336 * config/rs6000/vxppcle.h: Delete.
337 * configure.in: Use multiple header files for p2pc ELF targets
338 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
339 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
340 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
341 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
342 always available for these platforms.
344 2000-04-04 Richard Henderson <rth@cygnus.com>
346 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
348 2000-04-04 Stan Cox <scox@cygnus.com>
350 * Makefile.in: Add rules for regrename.o
351 * regrename.c: New file.
352 * rtl.h (regrename_optimize): Add prototype.
353 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
354 (compile_file, decode_d_option): Add support for -frename-registers.
355 (rest_of_compilation): Call regrename_optimize.
356 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
359 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
361 * Makefile (gccbug): New target.
363 * gcc.texi (Bugs): Link subnodes.
365 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
366 Document severities, priorities, and classes in bug form.
368 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
370 * cpplex.c (trigraph_map, speccase): Combine into single
372 (NORMAL, NONTRI): New macros.
373 (_cpp_read_and_prescan): Change to use unified table. Use
374 is_hspace to test for whitespace.
376 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
377 definition that doesn't provoke the "empty body in an
378 if-statement" warning.
380 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
382 * builtins.c (expand_builtin_strlen): Force the source to
385 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
389 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
391 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
392 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
393 (ECF_IS_CONST): Rename to ECF_CONST.
394 (special_function_p): Make static, change interface.
395 (flags_from_decl_or_type, try_to_integrate): Break out from ...
396 (expand_call) ... here; convert number of variables to flags.
397 (emit_library_call_vlue_1): Likewise.
398 (setjmp_call_p): New function.
399 (initialize_argument_information): Accepts flags as argument;
401 (precompute_arguments): Likewise.
402 * tree.h (special_function_p): Remove.
403 (setjmp_call_p): Add prototype.
405 2000-04-04 Jakub Jelinek <jakub@redhat.com>
407 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
408 so that addresses are offsetable by up to 16 bytes.
409 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
410 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
413 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
414 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
415 (movsf): Don't force any constant to memory if target is integer
417 Move fp_zero_operand check below the const0_rtx check.
418 (movtf): Likewise. Also allow fp_zero_operand for stores into
420 (movdf): Likewise. Also allow fp_zero_operand for stores into
421 memory and into integer hard registers.
422 (clear_df, clear_dfp, movdf_const_intreg_sp32,
423 movdf_const_intreg_sp64): Remove.
424 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
426 (movdf_no_e_insn_v9_sp32): New pattern.
427 (movdf_insn_v9only): Remove.
428 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
429 (movdf_insn_sp64): Remove.
430 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
431 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
432 (following splits): Rewrite conditions. Add two new splits
433 for storing 0.0 into memory and registers.
434 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
435 (movtf_insn_sp32): Redo constraints and conditions.
436 (movtf_insn_vis_sp32): New pattern.
437 (movtf_no_e_insn_sp32): Redo constraints and conditions.
438 (movtf_insn_hq_sp64): Likewise.
439 (movtf_insn_hq_vis_sp64): New pattern.
440 (movtf_insn_sp64): Redo constraints and conditions.
441 (movtf_insn_vis_sp64): New pattern.
442 (movtf_no_e_insn_sp64): Redo constraints and conditions.
443 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
445 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
446 -mvis or -m64 to take down the number of various reload patterns.
448 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
450 * pa/pa-64.h: New file.
451 * pa/pa64-regs.h: New file.
452 * pa/pa64-start.h: New file.
453 * pa/t-pa64: New file.
454 * pa/xm-pa64hpux.h: New file.
456 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
458 * sparc.c (output_restore_regs): Prototype.
459 (sparc_emit_float_lib_cmp): Constification.
461 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
463 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
466 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
467 (get_value_hash, hash_rtx): Likewise.
469 * ssa.c (compute_conservative_reg_partition): Prototype.
471 * tree.c (mark_hash_entry): Prototype.
473 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
475 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
476 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
477 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
479 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
480 * objc/lang-specs.h: Likewise.
482 2000-04-03 Neil Booth <NeilB@earthling.net>
484 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
485 and SYNTAX_ERROR2. Replace `' in messages with ''.
486 (op_to_str): Make re-entrant.
487 (_cpp_parse_expr): Implement new error macros. Use | rather
488 than || to logically or 2 boolean integers. Simply expression
489 checking we have a left operand iff needed.
491 2000-04-03 Nick Clifton <nickc@cygnus.com>
493 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
495 2000-04-03 Philip Blundell <philb@gnu.org>
497 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
499 2000-04-03 Felix Lee <flee@cygnus.com>
501 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
504 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
506 * Makefile.in (stmp-int-hdrs): Make include subdir here...
507 (stmp-fixproto): ...rather than here.
509 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
511 * pa.c (print_operand): Compute 'base' only inside the code paths
514 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
516 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
519 2000-04-03 Philipp Thomas <pthomas@suse.de>
521 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
523 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
525 * Makefile.in (alias.o): Depend on $(TREE_H).
527 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
529 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
531 * cpplib.c (_cpp_handle_directive): Improve warnings for
532 traditional C and indented directives.
534 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
535 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
536 fixinc/inclhack.def: Indent the # of #include_next one space.
537 * cp/rtti.c: Un-indent #if and #endif.
539 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
540 syntax error, but an error has already been printed.
541 * cpplex.c (_cpp_parse_assertion): Give a more specific error
542 message when called with nothing remaining on the line.
543 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
544 OTHER token, not an ASSERTION.
545 * cpplib.c (do_assert): When we create a 'base' node, clear
548 2000-04-02 Neil Booth <NeilB@earthling.net>
550 * cppexp.c: New typedef op_t. struct operation and struct
551 token updated to use it.
552 (op_to_str): New function.
553 (_cpp_parse_expr): Error messages modified to use op_to_str.
555 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
557 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
558 before checking MUST_PASS_IN_STACK.
560 2000-04-02 Neil Booth <NeilB@earthling.net>
562 * cppexp.c: New FINISHED dummy token. Combine operator initial
563 flags and initial priority into a single constant. New
564 EQUALITY macro. New operator flag SHORT_CIRCUIT.
565 (_parse_cpp_expr): Implement new constants. Take left operand
566 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
567 parse indicated by reducing FINISHED token. Remove new lines
568 from cpp_error messages.
570 2000-04-01 Mark Mitchell <mark@codesourcery.com>
572 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
575 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
577 * cpplib.c: Include symcat.h. Add 'origin' field to struct
578 directive. Add origin values to DIRECTIVE_TABLE. Generate
579 the strings and function names on the fly. Take the #sccs
580 entry out of the table if SCCS_DIRECTIVE is not defined.
581 (_cpp_handle_directive): Decide if the # was at the beginning
582 of the line here. Issue -pedantic warnings for extended
583 directives here. Warn about K+R directives with the #
584 indented, and C89/extended directives with the # not indented,
586 (do_import, do_include_next, do_warning, do_ident, do_sccs,
587 do_assert, do_unassert): Don't issue pedantic warning here.
589 * cpphash.h: Add CPP_WTRADITIONAL macro.
590 * cpplib.h (struct cpp_options): Rename warn_stringify to
591 warn_traditional; update comments.
592 * cppinit.c (handle_option): Set warn_traditional not
594 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
595 CPP_WTRADITIONAL (pfile).
596 * cpplex.c (_cpp_lex_token): Don't decide if directives should
597 be ignored in -traditional mode here.
599 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
600 to initialize speccase[] and trigraph_map[]. Delete all
601 references to pfile->input_speccase. Always treat '?' as a
602 special character. Remove table-initialization code from
603 _cpp_init_input_buffer.
605 * cpplib.h (struct cpp_reader): Remove input_speccase field.
606 * cppinit.c (cpp_cleanup): Don't free input_speccase.
608 2000-04-01 Richard Henderson <rth@cygnus.com>
610 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
611 (mostlyclean): Likewise.
613 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
614 (struct dump_file_info, enum dump_file_index, dump_file): New.
615 (open_dump_file): Take a dump_file_index not a suffix, and a decl
616 not a string. Clean out file if we havn't yet done so. Do nothing
617 if the dump isn't enabled.
618 (close_dump_file): Do nothing if the dump isn't open. Dump
619 graph data if requested.
620 (dump_rtl, clean_dump_file): Remove.
621 (compile_file): Don't clean the dump files. Only finalize .bp dump
622 if flag_test_coverage or flag_branch_probabilities. Only finalize
623 .combine dump if optimizing. Iterate over dump_file to finalize the
625 (rest_of_compilation): Update for open_dump_file/close_dump_file.
626 Convert all uses of dump_rtl.
627 (decode_d_option): Iterate over dump_file to implement 'a' and to
628 locate pass-specific dumps.
630 2000-04-01 Neil Booth <NeilB@earthling.net>
632 * cppexp.c: Redefine priority constants.
633 (_cpp_parse_expr): Replace left and right priority scheme with
634 single priority logic. Move LOGICAL to same place as COMPARE.
635 Remove bogus check for multiple unary +/- operators.
637 2000-04-01 Neil Booth <NeilB@earthling.net>
639 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
640 within the switch statement. Binary operations break out of
641 the switch naturally. '(' tokens handled by forcing
642 immediate shift. ')' handled by forcing immediate reduce to
643 the previous '('. New error messages.
645 2000-03-31 Geoff Keating <geoffk@cygnus.com>
647 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
648 part', it's already in use. Use %K instead. Add a return at the
649 end of what is now %K.
650 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
652 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
654 * builtins.c (expand_builtin_apply): Pass proper parameters to
655 allocate_dynamic_stack_space.
656 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
657 update stack_pointer_delta; do not update arg_size_so_far.
658 (compute_argument_block_size): Use stack_delta instead of
659 stack_pointer_pending and arg_size_so_far.
660 (expand_call): Add sanity checking for stack_pointer_delta;
661 save and restore stack_pointer_delta for SIB, use
662 stack_pointer_delta for alignment; do not update arg_space_so_far.
663 (emit_library_call_value): Use stack_pointer_delta for alignment.
664 (store_one_arg): Do not update arg_space_so_far.
665 * explow.c (adjust_stack, anti_adjust_stack): Update
667 (allocate_dynamic_stack_space): Add sanity checking for
669 * expr.c (init_expr, clear_pending_stack_adjust): Clear
671 (emit_push_insn): Update stack_pointer_delta.
672 * function.h (struct expr_status): Add x_stack_pointer_delta;
673 remove x_arg_space_so_far.
674 (arg_space_so_far): Remove.
675 (stack_pointer_delta): New macro.
677 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
679 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
680 Reorder struct cpp_options and struct cpp_reader for better
681 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
682 takes two args. Change all 'char' flags to 'unsigned char'.
683 Move show_column flag into struct cpp_options. Don't
684 prototype cpp_options_init.
685 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
686 cppinit.c, cpplex.c, cpplib.c:
687 Replace CPP_OPTIONS (pfile)->whatever with
688 CPP_OPTION (pfile, whatever), and likewise for
689 opts = CPP_OPTIONS (pfile); ... opts->whatever;
691 * cppinit.c (merge_include_chains): Take a cpp_reader *.
692 Extract CPP_OPTION (pfile, pending) and work with that
694 (cpp_options_init): Delete.
695 (cpp_reader_init): Turn on on-by-default options here.
696 Allocate the pending structure here.
697 (cl_options, enum opt_code): Define these from the same table,
698 kept in a large macro. Add -fshow-column and -fno-show-column
701 * cpperror.c (v_message): If show_column is off, don't print
704 * cppmain.c: Update for new interface.
705 * fix-header.c: Likewise.
707 2000-03-30 Geoff Keating <geoffk@cygnus.com>
709 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
711 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
712 are passed to any invocation of AR_FOR_TARGET.
713 (AR_CREATE_FOR_TARGET): New macro.
714 (AR_EXTRACT_FOR_TARGET): New macro.
715 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
716 AR_EXTRACT_FOR_TARGET.
717 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
718 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
719 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
720 AR_EXTRACT_FOR_TARGET to sub-makes.
722 2000-03-31 Neil Booth <NeilB@earthling.net>
724 * cppexp.c: Delete SKIP_OPERAND. Correct priority
726 (_cpp_parse_expr): Check for multiple unary +/- operators.
727 Correct priorities of ':' and '?'. Treat ')' as having a
728 value. Ensure conditional expression is not void.
730 2000-03-31 Mark Mitchell <mark@codesourcery.com>
732 * alias.c (canon_rtx): Make it global.
733 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
735 * cse.c (struct table_elt): Add canon_exp.
737 (invalidate): Canonicalize expressions only once.
738 * rtl.h (canon_rtx): Declare.
740 2000-03-30 Mark Mitchell <mark@codesourcery.com>
742 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
743 * alias.c (reg_known_value): Add comments.
744 (init_alias_analysis): Likewise.
745 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
747 (cse_basic_block): Fix typo in comment.
748 * emit-rtl.c: Include hashtab.h.
749 (const_int_htab): New variable.
750 (const_int_htab_hash): New function.
751 (const_int_htab_eq): Likewise.
752 (rtx_htab_mark_1): Likewise.
753 (rtx_htab_mark): Likewise.
754 (gen_rtx_CONST_INT): Cache all CONST_INTs.
755 (unshare_all_rtx): Fix formatting.
756 (init_emit_once): Initialize const_int_htab.
757 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
759 * rtl.texi: Document the fact that all CONST_INTs with the same
762 2000-03-30 Richard Henderson <rth@cygnus.com>
764 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
766 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
768 * configure.in: Comment out --enable-c-cpplib stanza.
769 * configure: Regenerate.
771 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
773 * expr.c (store_constructor): Properly compute displacement and
774 alignment when offset is variable.
776 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
777 cases of alignment in bytes.
779 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
781 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
782 since it is used to generate c-parse.y.
783 * objc-parse.c, objc-parse.y: Regenerated.
785 * function.c (expand_function_end): Pass alignment argument to
786 emit_block_move in bits, not bytes.
788 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
790 * expr.c (move_by_pieces_ninsns): Fix one more missing align
793 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
795 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
796 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
797 * function.c (assign_parms): Likewise.
798 * integrate.c (expand_inline_function): Likewise.
799 * stmt.c (expand_decl): Likewise.
800 (copy_rtx_and_substitute): Likewise.
801 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
802 (clear_by_pieces): Fix error in last change.
803 * emit-rtl.c (init_emit): Set known registers alignment in bits.
804 * function.h (regno_pointer_align): Now unsigned.
805 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
807 * config/i386/i386.c (aligned_operand): Likewise.
808 * config/sparc/sparc.c (mem_min_alignment): Likewise.
809 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
810 (unaligned_memory_operand): Likewise.
811 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
812 Also make alignments and sizes unsigned and some whitespace cleanup.
813 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
815 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
816 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
817 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
818 (expand_builtin_memset): Likewise, but to clear_storage.
819 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
820 (restore_fixed_argument_area): Likewise.
821 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
822 (load_register_parameters): Likewise, to emit_group_load.
823 (expand_call): Likewise, to emit_group_store and emit_block_move.
824 (emit_library_call_value_1): Likewise, to emit_block_move.
825 (store_one_arg): Likewise, and to emit_push_insn.
826 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
827 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
828 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
829 (emit_block_move, emit_group_load, emit_group_store): Likewise.
830 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
831 (expand_assigment, store_expr, store_constructor_field): Likewise.
832 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
833 (store_constructor, store_field, get_inner_reference): Likewise.
834 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
835 (expand_expr, case COMPONENT_REF): Likewise.
836 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
837 and positions; reindent code.
838 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
839 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
840 (assign_parms): Likewise to emit_group_store.
841 * optabs.c (prepare_cmp_insn): Alignment is in bits.
842 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
843 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
844 (expand_return): Likewise to {extract,store}_bit_field.
845 * stor-layout.c (get_mode_alignment): Minor cleanup.
846 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
847 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
849 2000-03-29 Nick Clifton <nickc@cygnus.com>
851 * config/arm/arm.h: Undo effects of previous delta:
852 (ASM_SPEC): Do not define.
853 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
855 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
858 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
860 * cppinit.c (cpp_start_read): Call initialize_dependency_output
861 only after reading in the primary source file.
863 2000-03-29 Geoff Keating <geoffk@cygnus.com>
865 * c-common.c (c_common_nodes_and_builtins): The first parameter to
866 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
867 or a reference to a va_list.
868 * builtins.c (stabilize_va_list): Simplify now we don't have to
869 work around C array address decay.
870 * c-typeck.c (convert_for_assignment): Handle assignment to
871 a reference parameter by taking the address of the RHS.
872 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
874 (__va_copy): Likewise.
875 * ginclude/varargs.h (va_start): Likewise.
876 (__va_copy): Likewise.
878 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
880 * i386/djgpp.h: Remove extraneous "+".
882 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
884 * calls.c (expand_call): Fix typo in last change.
886 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
888 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
891 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
893 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
894 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
895 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
896 * tree.c (bit_position, byte_position): Likewise.
897 * tree.h: Declare new functions.
899 2000-03-29 Nick Clifton <nickc@cygnus.com>
901 * config/arm/arm.c: Minor formatting changes/
902 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
904 (ASM_SPEC): Define if not already defined.
906 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
908 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
911 2000-03-29 Jakub Jelinek <jakub@redhat.com>
913 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
914 value, don't output it as unsigned.
916 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
918 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
920 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
922 * c-common.c (c_common_nodes_and_builtins): Don't special case
923 cplus_mode when declaring builtin bzero/bcmp, always avoid
926 2000-03-29 Bruce Korb <bkorb@gnu.org>
928 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
931 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
933 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
934 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
935 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
936 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
937 (save_fixed_argument_area, restore_fixed_argument_area):
938 conditionize by #ifdef REG_PARM_STACK_SPACE only.
939 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
940 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
941 (precompute_register_parameters): Avoid #ifdefs on
942 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
943 (stire_one_args): Likewise.
944 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
945 (emit_library_call_value_1): Likewise.
946 (compute_argument_block_size): Align to STACK_BOUNDARY only for
947 ACCUMULATE_OUTGOING_ARGS.
948 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
950 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
951 (use_crosses_set_p): Likewise.
952 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
953 #define ACCUMULATE_OUTGOING_ARGS 1.
954 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
956 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
958 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
959 (TARGET_SWITCHES): Add push-args, no-push-args,
960 accumulate-outgoing-args and no-accumulate-outgoing-args.
961 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
962 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
963 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
965 (emit_push_insn): Likewise.
966 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
967 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
968 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
969 (STACK_DYNAMIC_OFFSET): Define correctly for both
970 ACCUMULATE_OUTGOING_ARGS and normal mode.
971 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
972 * tm.texi (PUSH_ARGS): Document.
973 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
975 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
977 * flags.h (flag_optimize_sibling_calls): Declare.
978 * calls.c (expand_call): Fail sibcall when
979 !flag_optimize_sibling_calls
980 * invoke.texi (flag_optimize_sibling_calls): Document.
981 * toplev.c (flag_optimize_sibling_calls): New global variable.
982 (f_options): Add flag_optimize_sibling_calls.
983 (rest_of_compilation): Conditionize
984 optimize_sibling_and_tail_recursive_calls by
985 flag_optimize_sibling_calls.
986 (main): Set flag_optimize_sibling_calls for -O2.
987 * stmt.c (expand_return): Conditionize tail recursion by
988 flag_optimize_sibling_calls.
990 2000-03-29 Richard Henderson <rth@cygnus.com>
992 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
993 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
995 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
997 * except.c (add_eh_table_entry): Mark type_info's as referenced.
999 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1001 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1003 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1004 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1005 * config/rs6000/aix.h: then modified likewise.
1007 2000-03-28 Richard Henderson <rth@cygnus.com>
1009 * rtl.h: Redistribute enum reg_note documentation.
1010 Kill trailing whitespace.
1011 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1012 Kill trailing whitespace.
1014 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1016 * cppfiles.c (hash_IHASH): Just return i->hash.
1017 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1018 htab_find_with_hash.
1019 (cpp_read_file): Likewise.
1020 (find_include_file): Likewise. Properly initialize
1021 ih->nshort. Share ih->name and ih->nshort if possible.
1022 * cpphash.c (_cpp_calc_hash): New function.
1023 (hash_HASHNODE): Just return h->hash.
1024 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1025 htab_find_with_hash.
1026 * cpphash.h: Prototype _cpp_calc_hash.
1027 * cppinit.c (initialize_builtins): Provide a valid hash
1028 to _cpp_make_hashnode, using _cpp_calc_hash.
1030 * cpphash.c (collect_expansion): # is not a special character
1031 in object-like macros. In -traditional mode, /**/ is not
1032 token paste at the beginning or end of the line.
1033 * cpplib.c (do_include, do_import, do_include_next): If
1034 parse_include fails, return immediately.
1036 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1038 * config/arm/arm.md (return peepholes): Update to reflect the new
1040 * config/arm/arm.c (arm_volatile_func): Also check
1041 current_function_nothrow.
1042 (output_return_instruction, output_func_prologue): Use it.
1043 (arm_output_epilogue, arm_expand_prologue): Likewise.
1045 2000-03-27 Tom Tromey <tromey@cygnus.com>
1047 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1050 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1052 * expr.c (store_constructor): SIZE now signed.
1053 For EXPR_SIZE, don't evaluate size; just needed if constant.
1054 * fold-const.c (fold): Fix a number of cases when folded tree is
1056 * function.c (flush_addressof): Reenable.
1057 * tree.h (flush_addressof): Likewise.
1058 * toplev.c (independent_decode_option): Look at strings_processed.
1059 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1061 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1063 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1064 Allow stack adjustment after function call.
1066 * regmove.c (struct csa_memlist): Make mem field rtx *.
1067 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1068 (try_apply_stack_adjustment): Replace whole MEM rtx.
1069 (combine_stack_adjustments_for_block): Update calls
1070 to record_one_stack_ref.
1072 2000-03-28 Neil Booth <NeilB@earthling.net>
1074 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1075 '\\' rather than a null character, so nulls are not special. Fix
1076 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1077 speed trigraph conversion.
1078 (_cpp_init_input_buffer): Initialize trigraph map.
1080 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1082 * config/i386/i386.c (output_387_binary_op): Correct intel
1083 mode assembly output, and add spaces after commas in AT&T
1084 output. Correct Unixware assembler comment. Document input
1085 constraints. Comment fp operations. Reduce profligate buffer
1086 size. Remove extraneous abort. Localize temp var.
1087 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1088 (output_fix_trunc): Add spaces after commas in assembly output.
1090 2000-03-27 Richard Henderson <rth@cygnus.com>
1092 * i386-protos.h (ix86_match_ccmode): Declare.
1093 * i386.c (ix86_match_ccmode): New.
1094 (ix86_expand_fp_compare): Update for pattern renames.
1095 (ix86_expand_strlensi_unroll_1): Likewise.
1096 * i386.h (EXTRA_CC_MODES): Add CCZ.
1097 (SELECT_CC_MODE): Use it for EQ/NE zero.
1098 * i386.md (cmpsi_ccz_1): New.
1100 (*testsi_ccz_1): New.
1101 (testqi_ccz_1): New.
1102 (cmpsi_ccno_1): Rename from cmpsi_0.
1103 (testsi_ccno_1): Rename from testsi_1.
1104 (testqi_ccno_1): Rename from testqi_1.
1105 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1106 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1107 (*cmphi_0): Use ix86_match_ccmode.
1108 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1109 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1110 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1111 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1112 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1113 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1114 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1115 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1116 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1117 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1118 (appropriate peepholes): Likewise.
1119 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1120 (*subsi_3, *subhi_3, *subqi_3): Remove.
1121 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1122 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1123 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1124 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1125 (x86_shift_adj_1): Use CCZ.
1126 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1128 2000-03-27 Stan Cox <scox@cygnus.com>
1130 * resource.h (mark_resource_type): New.
1131 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1132 find_free_register): Use mark_resource_type.
1133 (mark_set_resources): Change include_delayed_effects
1134 to mark_resource_type.
1135 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1136 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1137 Use mark_resource_type.
1139 2000-03-27 Richard Henderson <rth@cygnus.com>
1141 * i386.md (call_pop_0, call_value_pop_0): New.
1142 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1143 (call_value_pop_1): Likewise.
1144 (call_0, call_value_0): New.
1145 (call_1, call_value_1): Remove constraint from unused arg.
1147 2000-03-27 Nick Clifton <nickc@cygnus.com>
1149 * invoke.texi (Spec Files): Document new spec % command created by
1150 Tom Tromey's recent patch.
1152 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1154 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1157 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1159 * expr.c (expand_assignment): Fix typo in last change.
1161 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1163 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1165 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1166 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1167 and DECL_INLINE if FUNCTION_DECL.
1168 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
1169 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
1170 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
1171 (combine_parm_decls): Likewise.
1172 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
1173 * print-tree.c (print_node): Likewise.
1174 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
1175 DECL_TRANSPARENT_UNION on proper decl types.
1176 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
1177 * stor-layout.c (layout_decl): Only check DECL_PACKED and
1178 DECL_BIT_FIELD of FIELD_DECL.
1179 * tree.h (DECL_RESULT_FLD): New macro.
1181 * expr.c (expand_assignment): Add code to handle variable-sized
1184 2000-03-26 Richard Henderson <rth@cygnus.com>
1186 * calls.c (expand_call): Pass parms not original exp to
1187 optimize_tail_recursion. Mind return value instead of looking
1189 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
1190 call_expr. Move checks for call_expr and current_function_decl ...
1191 (expand_return): ... here.
1193 2000-03-26 Tom Tromey <tromey@cygnus.com>
1195 * gcc.c (handle_braces): Recognize `%{<S}' construct.
1196 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
1198 (process_command): Use them.
1199 (check_live_switch): Likewise.
1200 (give_switch): Skip ignored switches.
1202 2000-03-26 Jan Hubicka <jh@suse.cz>
1204 * jump.c (jump_optimize_1): Fix typo in elide optimizations
1205 for minimal jump pass test.
1207 2000-03-26 Mark Mitchell <mark@codesourcery.com>
1209 * integrate.c (function_cannot_inline_p): Do inline functions that
1212 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1214 * stor-layout.c (layout_type, set_sizetype): early_type_list is
1215 now a list of TREE_LIST entries, not types.
1216 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
1218 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
1219 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
1221 * config/mips/mips.c (function_arg): Likewise; also remove cast
1222 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
1223 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
1224 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
1225 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
1226 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
1227 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
1228 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
1229 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
1230 num_adjusts now unsigned.
1231 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
1232 * config/sparc/sparc.c (struct function_arg_record_value_parms):
1234 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
1235 as is BITPOS variable; use host_integerp and int_bit_position.
1236 (function_arg_record_value_2): Likewise.
1237 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
1238 Variable REGNO now unsigned.
1239 (function_arg_record_value): NREGS now unsigned.
1241 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1243 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
1245 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1247 * Rework fields used to describe positions of bitfields and
1248 modify sizes to be unsigned and use HOST_WIDE_INT.
1249 * alias.c (reg_known_value_size): Now unsigned.
1250 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
1251 (really_start_incremental_init): Use bitsize_zero_node.
1252 (push_init_level, pop_init_level, output_init_element): Likewise.
1253 Use bitsize_unit_node and bitsize_one_node.
1254 (output_pending_init_elements, process_init_element): Likewise.
1255 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
1256 (make_extraction): Position and length HOST_WIDE_INT and unsigned
1257 HOST_WIDE_INT, respectively.
1258 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
1259 (num_sign_bit_copies): Returns unsigned.
1260 BITWIDTH now unsigned; rework arithmetic.
1261 Remove recursive call from arg to MAX.
1262 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
1263 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
1265 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
1266 (find_split_point, expand_compound_operation, make_extraction): LEN
1267 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
1268 (make_field_assignment): Likewise.
1269 (combine_simplify_rtx): Add cast.
1270 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
1271 (force_to_mode): WIDTH now unsigned; add cast.
1272 (if_then_else_cond): SIZE now unsigned.
1273 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
1274 (extended_count): Now returns unsigned.
1275 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
1276 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
1277 (simplify_comparison): MODE_WIDTH now unsigned.
1278 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
1279 (mark_used_regs_combine): Likewise; rework arithmetic.
1280 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
1281 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
1282 (record_promoted_value): REGNO now unsigned.
1283 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
1284 (get_last_value): REGNO now unsigned.
1285 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
1286 (reg_dead_regno, reg_dead_endregno): Now unsigned.
1287 (remove_death): Arg REGNO now unsigned.
1288 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
1289 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
1291 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
1292 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
1293 (struct cse_reg_info): REGNO now unsigned.
1294 (cached_regno): Now unsigned.
1295 (REGNO_QTY_VALID_P): Add cast.
1296 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
1297 (remove_invalid_regs): Likewise.
1298 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
1299 as are variables END and I.
1300 (get_cse_reg_info, insert): Likewise.
1301 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
1302 (canon_hash): Likewise.
1303 (insert_regs, lookup_for_remove): REGNO now unsigned.
1304 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
1306 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
1307 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
1308 * emit-rtl.c (subreg_realpart_p): Add cast.
1309 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
1310 (operand_subword_force): Arg I is now unsigned.
1311 * except.c (eh_regs): Variable I is now unsigned.
1312 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
1313 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
1314 length is unsigned HOST_WIDE_INT; likewise for internal variables.
1315 (store_split_bit_field, extract_fixed_bit_field): Likewise.
1316 (extract_split_bit_field, store_bit_field, extract_bit_field):
1318 * expr.c (store_constructor_fields, store_constructor, store_field):
1319 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
1320 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
1321 (do_jump): Likewise.
1322 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
1323 MAX_SIZE is now unsigned.
1324 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
1325 (emit_group_store): Likewise.
1326 (emit_move_insn): I now unsigned.
1327 (store_constructor): Use host_integerp, tree_low_cst, and
1329 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
1330 Rework all calculations to use trees and new fields.
1331 * expr.h (promoted_input_arg): Regno now unsigned.
1332 (store_bit_field, extract_bit_field): Adjust types of pos and size.
1333 (mark_seen_cases): Arg is HOST_WIDE_INT.
1334 * flow.c (verify_wide_reg_1): REGNO now unsigned.
1335 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
1336 precisions and alignments are unsigned.
1337 (optimize_bit_field_compare, fold_truthop): Likewise.
1338 (int_const_binop): Adjust threshold for size_int_type_wide call.
1339 (fold_convert): Likewise.
1340 (size_int_type_wide): Make table larger and fix thinko that only
1341 had half of table used.
1342 (all_ones_mask_p, fold): Precisions are unsigned.
1343 * function.c (put_reg_info_stack): REGNO is unsigned.
1344 (instantiate_decl): Size is HOST_WIDE_INT.
1345 (instantiate_virtual_regs): I is unsigned.
1346 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
1347 (promoted_input_arg): REGNO is unsigned.
1348 * function.h (struct function): x_max_parm_reg is now unsigned.
1349 * gcse.c (max_gcse_regno): Now unsigned.
1350 (struct null_pointer_info): min_reg and max_reg now unsigned.
1351 (lookup_set, next_set): REGNO arg now unsigned.
1352 (compute_hash_table): REGNO and I now unsigned.
1353 (handle_avail_expr): regnum_for_replacing now unsigned.
1354 (cprop_insn): REGNO now unsigned.
1355 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
1356 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
1357 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
1358 * hard-reg-set.h (reg_class_size): Now unsigned.
1359 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
1360 * jump.c (mark_modified_reg): I now unsigned; add cast.
1361 (rtx_equal_for_thread_p): Add cast.
1362 * loop.c (max_reg_before_loop): Now unsigned.
1363 (struct_movable): REGNO now unsigned.
1364 (try_copy_prop): REGNO arg unsigned.
1365 (regs_match_p): XN and YN now unsigned.
1366 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
1367 (strength_reduce): Likewise; NREGS also unsigned.
1368 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
1369 * loop.h (struct iv_class): REGNO now unsigned.
1370 (max_reg_before_loop, first_increment_giv, last_increment_giv):
1372 * machmode.h (mode_size, mode_unit_size): Now unsigned.
1373 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
1374 * optabs.c (expand_binop): I and NWORDS now unsigned.
1375 (expand_unop): I now unsigned.
1376 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
1377 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
1378 * real.c (significand_size): Now returns unsigned.
1379 * real.h (significand_size): Likewise.
1380 * regclass.c (reg_class_size): Now unsigned.
1381 (choose_hard_reg_mode): Both operands now unsigned.
1382 (record_reg_classes): REGNO and NR now unsigned.
1383 (reg_scan): NREGS now unsigned.
1384 (reg_scan_update): old_max_regno now unsigned.
1385 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
1386 * reload.c (find_valid_class): BEST_SIZE now unsigned.
1387 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
1388 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
1389 Likewise for variable R.
1390 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
1391 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
1392 (find_equiv_reg): Add casts.
1393 (regno_clobbered_p): Arg REGNO now unsigned.
1394 * reload.h (struct reload): NREGS now unsigned.
1395 (refers_to_regno_for_reload_p): Regno args are unsigned.
1396 (regno_clobbered_p): Likewise.
1397 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
1398 (compute_use_by_pseudos): REGNO now unsigned.
1399 (find_reg): I and J now unsigned, new variable K, and change loop
1400 variables accordingly; THIS_NREGS now unsigned.
1401 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
1402 (spill_hard_reg): REGNO arg now unsigned; add casts.
1403 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
1404 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
1405 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
1406 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
1407 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
1408 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
1409 (emit_reload_insns): REGNO now unsigned.
1410 (reload_cse_move2add): Add cast.
1411 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
1413 * resource.c (mark_referenced_resources, mark_set_resources): New
1414 variable R; REGNO and LAST_REGNO now unsigned.
1415 (mark_target_live_regs): J and REGNO now unsigned.
1416 * rtl.c (mode_size, mode_unit_size): Now unsigned.
1417 * rtl.h (union rtunion_def): New field rtuint.
1418 (XCUINT): New macro.
1419 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
1420 (operand_subword, operand_subword_force): Word number is unsigned.
1421 (choose_hard_reg_mode): Operands are unsigned.
1422 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
1423 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
1424 (regno_use_in, combine_instructions, remove_death): Likewise.
1425 (reg_scan, reg_scan_update): Likewise.
1426 (extended_count): Return is unsigned.
1427 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
1428 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
1429 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
1430 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
1431 (reg_reg_last_1): FIRS and LAST now unsigned.
1432 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
1433 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
1435 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
1436 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
1437 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
1438 (replace_regs): Arg NREGS now unsigned.
1439 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
1440 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
1441 (simplify_binary_operation): Likewise.
1442 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
1443 THIS_LAST now unsigned.
1444 (cselib_record_set): Add cast.
1445 * ssa.c (ssa_max_reg_num): Now unsigned.
1446 (rename_block): REGNO now unsigned.
1447 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
1449 (all_cases_count): Just return -1 not -2.
1450 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
1451 Rework tests to use trees whenever possible.
1452 Use host_integerp and tree_low_cst.
1453 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
1454 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
1455 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
1456 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
1457 (smallest_mode_for_size): Likewise.
1458 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
1459 KNOWN_ALIGN is now an alignment, so simplify code.
1460 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
1461 (start_record_layout): Renamed from new_record_layout_info.
1462 Update to new fields.
1463 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
1465 (place_union_field): Renamed from layout_union_field.
1466 Update to use new fields in rli.
1467 (place_field): Renamed from layout_field.
1468 Major rewrite to use new fields in rli; pass alignment to layout_decl.
1469 (finalize_record_size): Rework to use new fields in rli and handle
1471 (compute_record_mode): Rework to simplify and to use new DECL fields.
1472 (finalize_type_size): Make rounding more consistent.
1473 (finish_union_layout): Deleted.
1474 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
1475 (layout_type, case RECORD_TYPE): Call new function names.
1476 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
1477 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
1478 (get_best_mode): UNIT is now unsigned; remove casts.
1479 * tree.c (bit_position): Compute from new fields.
1480 (byte_position, int_byte_position): New functions.
1481 (print_type_hash_statistics): Cast to remove warning.
1482 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
1483 (build_index_type): Likewise; make subtype of sizetype.
1484 (build_index_2_type): Pass sizetype to build_range_type.
1485 (build_common_tree_nodes): Use size_int and bitsize_int to
1486 initialize nodes; add bitsize_{zero,one,unit}_node.
1487 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
1488 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
1489 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
1490 (DECL_FIELD_BITPOS): Deleted.
1491 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
1492 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
1493 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
1494 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
1495 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
1496 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
1497 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
1498 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
1499 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
1500 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
1501 (DECL_ALIGN): Adjust to new field in union.
1502 (DECL_OFFSET_ALIGN): New field.
1503 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
1504 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
1505 (union tree_decl): Add struct for both aligns.
1506 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
1507 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
1508 (struct record_layout_info): Rework fields to have offset
1509 alignment and byte and bit position.
1510 (start_record_layout, place_field): Renamed from old names.
1511 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
1512 (byte_position, int_byte_position): Likewise.
1513 (get_inner_reference): Change types of position and length.
1514 * unroll.c (unroll_loop): New variable R; use for some loops.
1515 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
1516 (calculate_giv_inc): Arg REGNO now unsigned.
1517 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
1518 * varasm.c (assemble_variable): Clean up handling of size using
1519 host_integerp and tree_low_cst.
1520 (decode_addr_const): Use byte, not bit, position.
1521 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
1522 use tree_low_cst and int_bit_position.
1523 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
1525 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
1527 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
1528 (reorder_block_def): New members eff_head and eff_end.
1529 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
1530 (verify_insn_chain): New function.
1531 (skip_insns_between_block): Add code to skip deleted insns.
1532 Check for note before using.
1533 (chain_reorder_blocks): Replace calls to skip_insns_between_block
1534 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
1535 Check for note before using.
1536 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
1537 (fixup_reorder_chain): Restructure, clean up, defect removal.
1538 (reorder_basic_blocks): Remove last_insn and references to it.
1539 Moved insn chain verification code into a new function (see above).
1540 Delete defective code that sets last insn.
1541 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
1544 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1546 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
1548 2000-03-24 Richard Henderson <rth@cygnus.com>
1550 * tree.c (lang_safe_for_unsave): Remove.
1551 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
1552 allowing for two levels of unsafeness. Remove lang hook.
1553 * tree.h: Update declarations.
1554 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
1555 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
1556 Always fail sibcalls when there are pending cleanups.
1558 2000-03-24 Geoff Keating <geoffk@cygnus.com>
1560 * flow.c (propagate_block): When we delete an ADDR_VEC,
1561 also delete the BARRIER following it if there is one.
1563 2000-03-24 Richard Henderson <rth@cygnus.com>
1565 * builtins.c (expand_builtin_bzero): Convert `length' argument
1568 2000-03-24 Jakub Jelinek <jakub@redhat.com>
1570 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
1571 comparison if regno's are equal.
1572 * calls.c (initialize_argument_informat): Add ecf_flags argument.
1573 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
1574 (expand_call): Update caller.
1575 Avoid making a sibling call if argument size of the callee is larger
1576 than argument size of the caller.
1577 Call hard_function_value with outgoing set if in sibcall pass.
1578 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
1580 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
1581 Change LEAF_REGISTERS from an array initializer to actual array
1582 identifier. Move static global variable into the function.
1583 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
1584 sequences for leaf functions.
1585 * global.c (global_alloc): Likewise.
1586 * tm.texi (LEAF_REGISTERS): Update documentation.
1588 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
1589 TARGET_FLAT leaf disabling hack.
1590 (LEAF_REGISTERS): Changed from an array initializer to actual array
1591 identifier to avoid duplication and remove the above hack.
1592 (FUNCTION_OK_FOR_SIBCALL): Define.
1593 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
1594 always like call attribute.
1595 (eligible_for_sibcall_delay): New attribute.
1596 (sibcall): New delay type.
1597 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1598 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
1599 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
1600 * config/sparc/sparc.c (sparc_leaf_regs): New array.
1601 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
1603 (output_function_epilogue): Move part of the code into
1604 output_restore_regs.
1605 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
1607 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
1610 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
1611 until infrastructure is finished.
1613 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
1615 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
1616 (save_parm_insns): Not here.
1618 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1620 * builtins.c (expand_builtin_bzero): New function.
1621 (expand_builtin): Handle bzero.
1623 * builtins.def: Add BUILT_IN_BZERO.
1625 * c-common.c (c_common_nodes_and_builtins): Provide builtin
1626 prototype & function for bzero.
1628 2000-03-23 Michael Meissner <meissner@redhat.com>
1630 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
1631 change adding TARGET_FP to the TF floating point insns, except for
1632 trunctfsf2, which generates direct calls to truncdfsf2.
1634 2000-03-23 Geoff Keating <geoffk@cygnus.com>
1636 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
1637 try to protect against middle-end changes that break binary
1639 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
1641 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1643 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
1645 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1647 * calls.c (expand_call): If TARGET is passed by reference and
1648 is readonly, write a CLOBBER.
1650 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1652 * builtins.c (expand_builtin): Handle bcmp.
1654 * builtins.def: Add BUILT_IN_BCMP.
1656 * c-common.c (c_common_nodes_and_builtins): Provide builtin
1657 prototype & function for bcmp.
1659 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
1661 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
1662 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
1663 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
1665 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
1667 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
1668 alternative when using -fp64 -gp32.
1670 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
1672 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
1673 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
1674 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
1676 * frame.h (frame_state): Revert last change.
1677 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
1678 * libgcc2.c (throw_helper): Revert last change.
1680 2000-03-22 Richard Henderson <rth@cygnus.com>
1682 * stmt.c (expand_asm_operands): Don't promote the temporary.
1684 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1686 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
1687 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
1688 c_get_alias_set): Likewise.
1689 * c-decl.c (duplicate_decls): Likewise.
1690 * c-typeck.c (default_conversion,build_unary_op): Likewise.
1691 * calls.c (initialize_argument_information): Likewise.
1692 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
1694 * dwarfout.c (decl_class_context,output_type): Likewise.
1695 * expr.c (get_inner_reference): Likewise.
1696 * fold-const.c (simple_operand_p,fold): Likewise.
1697 * function.c (aggregate_value_p): Likewise.
1698 * stmt.c (expand_asm_operands): Likewise.
1699 * varasm.c (named_section): Likewise.
1701 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
1703 Implement dwarf2 exception handling for the ARM.
1704 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
1705 (DWARF_FRAME_RETURN_COLUMN): Define.
1706 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
1707 REG_FRAME_RELATED_EXPR note.
1708 (emit_sfm): Likewise.
1709 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
1710 * dwarf2out.c (reg_save): Handle saving a register to itself.
1711 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
1712 * except.c (eh_regs): Don't use the static chain reg if it's
1714 * frame.h (frame_state): Add cfa_saved field.
1715 * frame.c (execute_cfa_insn): Set it.
1716 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
1718 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
1720 (instantiate_virtual_regs): Adjust.
1722 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
1723 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
1724 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
1726 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
1727 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
1729 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1731 * builtins.def: New file.
1733 * Makefile.in (TREE_H): Depend on builtins.def.
1735 * builtins.c (built_in_names): Use builtins.def.
1737 * tree.h (built_in_function): Likewise.
1739 2000-03-22 Mark Mitchell <mark@codesourcery.com>
1741 * tree.c (size_in_bytes): Return size_zero_node, not
1744 2000-03-22 Geoff Keating <geoffk@cygnus.com>
1746 * config/fp-bit.c (pack_d): Correct the case when a denormal
1747 is rounded up and stops being denormal.
1749 2000-03-21 Richard Henderson <rth@cygnus.com>
1751 * config/alpha/alpha.c (function_arg): Check for void_type_node
1752 before using MUST_PASS_IN_STACK.
1754 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
1756 * regmove.c (combine_stack_adjustments_for_block): Check that
1757 the stack pointer is a valid memory address.
1759 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
1761 * calls.c: re-install Mar 16 emit_library_call merge.
1763 2000-03-21 Jakub Jelinek <jakub@redhat.com>
1765 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
1766 we cannot be sure that if reload_completed base register will
1767 be properly aligned.
1769 2000-03-21 Richard Henderson <rth@cygnus.com>
1771 * flow.c (delete_block): Fix typo last change.
1773 2000-03-21 Mark Mitchell <mark@codesourcery.com>
1775 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
1776 not COMPLETE_TYPE_P, to check the type of the expression.
1778 2000-03-21 Michael Meissner <meissner@redhat.com>
1780 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
1781 all floating point insns that just tested the macro
1782 TARGET_HAS_XFLOATING_LIBS.
1783 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
1784 used to only use the gprs.
1786 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
1788 * tree.h (COMPLETE_TYPE_P): New macro.
1789 (COMPLETE_OR_VOID_TYPE_P): New macro.
1790 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
1791 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
1792 * c-aux-info.c (gen_type): Use them.
1793 * c-common.c (c_expand_expr_stmt): Likewise.
1794 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
1795 grokdeclarator, grokparms, finish_struct, start_function,
1796 store_parm_decls, combine_parm_decls): Likewise.
1797 * c-parse.y (cast_expr): Likewise.
1798 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
1799 c_size_in_bytes, c_alignof, build_component_ref,
1800 build_indirect_ref, build_array_ref, convert_arguments,
1801 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
1802 * calls.c (initialize_argument_information): Likewise.
1803 * convert.c (convert_to_integer): Likewise.
1804 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
1805 * dwarfout.c (location_or_const_value_attribute,
1806 output_enumeration_type_die, output_structure_type_die,
1807 output_union_type_die, output_type): Likewise.
1808 * expr.c (safe_from_p, expand_expr): Likewise.
1809 * function.c (assign_parms): Likewise.
1810 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
1811 * tree.c (build_array_type, build_function_type,
1812 build_method_type, build_offset_type, build_complex_type): Likewise.
1813 * c-parse.c, c-parse.h: Regenerated.
1815 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1817 * config/c4x/rtems.h: Include config/rtems.h.
1819 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
1821 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
1822 decl is a FUNCTION_DECL
1824 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
1826 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
1827 function uses output registers. Don't save RP for leaf functions.
1828 Do save RP even if no epilogue.
1829 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
1830 (CALL_USED_REGISTERS): Unmark in registers.
1831 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
1834 2000-03-20 Geoff Keating <geoffk@cygnus.com>
1836 * config/rs6000/rs6000.md (bunordered): New expander.
1837 (bordered): New expander.
1838 (buneq): New expander.
1839 (bunge): New expander.
1840 (bungt): New expander.
1841 (bunle): New expander.
1842 (bunlt): New expander.
1843 (bltgt): New expander.
1845 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
1846 (ccr_bit_negated_p): New function.
1847 (print_operand): For %C, generate appropriate cror for UNEQ,
1848 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
1850 2000-03-20 Andreas Jaeger <aj@suse.de>
1852 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
1855 * tree.h (safe_for_unsave): Prototype.
1857 2000-03-20 Richard Henderson <rth@cygnus.com>
1859 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
1860 (combine_stack_adjustments_for_block): Don't allow sp references
1861 in the side of a set we're not fixing up.
1862 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
1863 after life_analysis.
1865 2000-03-20 Richard Henderson <rth@cygnus.com>
1867 * calls.c (expand_call): Don't bother generating tail call
1868 sequences if there are pending cleanups. Use
1869 expand_start_target_temps/expand_end_target_temps to elide
1870 cleanups created during sibcall expansion.
1872 2000-03-20 Geoff Keating <geoffk@cygnus.com>
1874 * configure.in: Set $IFS to a value if it doesn't already have one
1875 in the --enable-checking handling.
1876 * configure: Regenerate.
1878 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1880 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
1881 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1884 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
1886 * jump.c (delete_noop_moves): Remove code attempting to
1887 combine stack adjustments.
1889 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1891 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
1892 * except.c (emit_cleanup_handler): Use them.
1893 (expand_end_all_catch): Likewise.
1894 * function.c (fixup_var_refs): Likewise.
1895 (expand_function_end): Clear catch_clauses_last.
1896 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
1897 * except.h (struct eh_status): New field x_catch_clauses_last.
1898 (catch_clauses_last): New define.
1900 * Makefile.in (tree.o): Depend on HASHTAB_H.
1901 * tree.c: Include hashtab.h.
1902 (struct type_hash): Remove next field.
1903 (TYPE_HASH_SIZE): Remove.
1904 (TYPE_HASH_INITIAL_SIZE): New define.
1905 (type_hash_table): Change type to htab_t.
1906 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
1907 mark_hash_entry): New functions.
1908 (init_obstacks): Allocate type hash.
1909 (type_hash_lookup): Use htab functions.
1910 (type_hash_add, mark_type_hash): Likewise.
1911 (dump_tree_statistics): Call print_type_hash_statistics.
1913 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1915 * rs6000/t-aix41: New file.
1917 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
1919 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
1921 * tm.texi (Driver): Fix typos and tweak entry for
1923 Move misplaced STRUCT_FORCE_BLK entry ...
1924 (Storage Layout): ... to here.
1925 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
1927 2000-03-19 Richard Henderson <rth@cygnus.com>
1929 * flow.c (delete_block): Delete the addr_vec along with the block.
1930 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
1933 * fold-const.c (extract_muldiv): Apply type check for defined
1934 overflow to multiply as well as divide.
1936 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
1938 2000-03-18 Mark Mitchell <mark@codesourcery.com>
1940 * emit-rtl.c (remove_unncessary_notes): Check that all
1941 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
1942 associated NOTE_BLOCK.
1943 * function.h (identify_blocks): Update comments.
1944 (reorder_blocks): Declare.
1945 * function.c (identify_blocks): Don't take paramters.
1946 (reorder_blocks): Don't take parameters.
1947 * loop.h (find_loop_tree_blocks): Remove.
1948 (unroll_block_trees): Likewise.
1949 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
1950 reorder_blocks instead of unroll_block_trees.h
1951 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
1952 * stmt.c (find_loop_tree_blocks): Remove.
1953 (unroll_block_trees): Likewise.
1954 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
1955 in whole-function mode.
1956 * tree.h (reorder_blocks): Remove declaration.
1958 * expr.c: Include intl.h.
1959 * Makefile.in (expr.o): Depend on intl.h.
1961 2000-03-18 Richard Henderson <rth@cygnus.com>
1963 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
1965 2000-03-18 Mark Mitchell <mark@codesourcery.com>
1967 * tree.h (tree_index): Remove enumerals for integer types.
1968 (integer_type_kind): New type.
1969 (integer_types): New variable.
1970 (char_type_node): Adjust.
1971 (signed_char_type_node): Likewise.
1972 (unsigned_char_type_node): Likewise.
1973 (short_integer_type_node): Likewise.
1974 (short_unsigned_type_node): Likewise.
1975 (integer_type_node): Likewise.
1976 (unsigned_type_node): Likewise.
1977 (long_integer_type_node): Likewise.
1978 (long_unsigned_type_node): Likewise.
1979 (long_long_integer_type_node): Likewise.
1980 (long_long_unsigned_type_node): Likewise.
1981 * tree.c (integer_types): New variable.
1982 (init_obstacks): Register it as a root.
1984 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
1986 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
1987 NEXT_INSN. Update last insn in chain.
1989 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
1991 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
1992 with TYPE_DECL_SUPPRESS_DEBUG set.
1994 2000-03-18 Richard Henderson <rth@cygnus.com>
1996 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
1998 2000-03-18 Richard Henderson <rth@cygnus.com>
2000 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2001 care for HALF_PIC_P.
2002 (expander_call_insn_operand): Remove.
2003 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2004 * i386.h (PREDICATE_CODES): Update.
2005 * i386.md (all call expanders): Remove predicates, remove special
2006 handling for half-pic.
2007 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2008 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2009 (sibcall_epilogue): New.
2011 2000-03-17 Richard Henderson <rth@cygnus.com>
2013 * rtlanal.c (single_set): Reject if the parallel has anything
2014 except SET or USE or CLOBBER.
2016 2000-03-17 Jeff Law <law@cygnus.com>
2017 Richard Henderson <rth@cygnus.com>
2019 * Makefile.in (OBJS): Add sibcall.o.
2021 * sibcall.c: New file.
2022 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2023 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2024 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2025 Emit sibcall patterns when requested. Update all callers.
2026 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2027 elimination seems feasable.
2028 * final.c (leaf_function_p): Sibling calls don't discount being
2030 * flow.c (HAVE_sibcall_epilogue): Provide default.
2031 (find_basic_blocks_1): Sibling calls don't throw.
2032 (make_edges): Make edge from sibling call to EXIT.
2033 (propagate_block): Don't remove sibcall_epilogue insns.
2034 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2035 (sibcall_epilogue): New.
2036 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2037 (identify_blocks_1): Likewise. Break out from ...
2038 (identify_blocks): ... here.
2039 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2040 (reorder_blocks): ... here.
2041 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2042 (record_insns): Extend a varray instead of mallocing new memory.
2043 (contains): Read a varray not array of ints.
2044 (sibcall_epilogue_contains): New.
2045 (thread_prologue_and_epilogue_insns): Emit and record
2046 sibcall_epilogue patterns.
2047 (init_function_once): Allocate prologue/epilogue varrays.
2048 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2049 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2051 (save_for_inline_nocopy): ... here.
2052 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2054 (expand_inline_function): ... here.
2055 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2056 (subst_constants): Handle 'n' formats.
2057 * jump.c (jump_optimize_minimal): New.
2058 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2059 optimizations if it's set.
2060 * rtl.c (copy_rtx): Do copy jump & call for insns.
2061 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2062 (SIBLING_CALL_P): New.
2063 (sibcall_use_t): New.
2064 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2065 Invoke optimize_sibling_and_tail_recursive_calls.
2066 * tree.c (lang_safe_for_unsave): New.
2067 (safe_for_unsave): New.
2068 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2070 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2071 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2072 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2074 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2076 * objc/objc-act.c (encode_method_prototype): Pass types, not
2077 PARM_DECLs, to int_size_in_bytes.
2079 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2081 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2083 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2084 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2086 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2088 * Clean up usages of TREE_INT_CST_LOW.
2089 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2090 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2092 * c-tree.h (min_precision): Move declaration to here.
2093 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2094 (build_unary_op, add_pending_init): Use bit_position.
2095 (pending_init_member, process_init_element): Likewise.
2096 (really_start_incremental_init, push_init_level, pop_init_level):
2097 Don't make copies of nodes or modify them in place, use consistent
2098 types when tracking positions, and use tree routines computations.
2099 (set_init_index, output_init_element): Likewise.
2100 (output_pending_init_elements, process_init_element): Likewise.
2101 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2102 tree_low_cst and int_bit_position; also minor cleanup.
2103 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2104 (print_cst_octal): Precision is unsigned.
2105 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2106 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2107 (simple_type_align_in_bits): Result is unsigned int.
2108 Use tree_int_low_cst and host_integerp.
2109 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2110 (field_byte_offset): Result is HOST_WIDE_INT.
2111 Change types of internal variables so alignments are unsigned int,
2112 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2113 Use host_integerp, tree_low_cst, and int_bit_position.
2114 (add_bit_offset_attribute): Likewise.
2115 (add_data_member_location_attribute): Use tree_cst_low.
2116 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2117 (add_bit_size_attribute): Use tree_low_cst.
2118 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2119 * dwarfout.c: Similar changes to dwarf2out.c.
2120 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2121 * genoutput.c (n_occurences): Return -1 for null string.
2122 (strip_whitespace): Accept null string and make into function.
2123 (scan_operands): Reflect above changes.
2124 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2125 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2126 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2127 * tree.c (int_size_in_bytes): Check for too big to represent.
2128 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2129 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2131 (min_precision): Delete from here.
2132 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2133 and int_bit_position.
2134 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2135 (encode_method_def): Likewise.
2136 (build_ivar_list_initializer): Use int_bit_position.
2137 (generate_shared_structures): Convert size.
2138 (encode_type, encode_complete_bitfield): Use integer_zerop.
2139 (encode_bitfield): Use tree_low_cst and int_bit_position.
2141 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2143 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2145 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2147 * call.c (special_function_p): It is only malloc if it returns
2150 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2152 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2153 (C33_FLAG, TARGET_C3X): Add macros.
2154 (TARGET_SWITCHES): Add -m33 option.
2155 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2157 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2159 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2160 (PARALLEL_PACK_FLAG): Delete.
2161 (TARGET_SWITCHES): Update.
2162 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2164 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2166 * fold-const.c (fold): Fix a few cases when the returned result
2167 is not of the same type as the input.
2169 2000-03-16 Nick Clifton <nickc@cygnus.com>
2171 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
2174 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2176 * libgcc2.h: Move prototypes above macros with the same name.
2177 Wrap some function prototypes in the conditional which indicates
2178 whether they are supported, i.e. "BITS_PER_UNIT == 8".
2180 2000-03-16 Richard Henderson <rth@cygnus.com>
2182 * calls.c: Revert last two changes.
2184 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
2186 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
2187 has exponent 0 is a zero.
2189 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
2190 HASH may already be nonzero. Add code/mode into hash value
2191 immediately after repeat label.
2192 (cselib_lookup): Don't leave the hash table in an inconsistent
2193 state before a hash lookup operation.
2195 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
2197 * i386.md (all HI and QI mode non-move patterns): Conditionize
2198 by TARGET_[HQ]IMODE_MATH.
2199 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2200 x86_promote_qi_regs): Declare.
2201 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
2202 TARGET_PROMOTE_QI_REGS): New macros.
2203 (PROMOTE_MODE): New macro.
2204 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2205 x86_promote_qi_regs): New global variables.
2207 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
2209 * calls.c (emit_library_call_value_1): Break out from ...; handle
2210 VOIDmode function calls too.
2211 (emit_library_call_value): ... here.
2212 (emit_library_call): Implement by calling emit_library_call_value_1.
2214 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
2216 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
2217 Update arg_space_so_far on stack adjustments.
2218 (emit_library_call, emit_library_call_value): Likewise; take into
2219 account arg_space_so_far and pending_stack_adjust when calculcating
2222 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
2224 * flow.c: Move all basic block reordering code into its own file.
2225 (create_basic_block): Externalize.
2226 * bb-reorder.c: New file. Copy all basic block reordering code from
2227 flow.c to this file.
2228 (reorder_basic_blocks): Fix fencepost error in for-loop.
2229 (reorder_basic_blocks): Remove braces from single statement for-loops.
2230 * basic-block.h: Add declaration for create_basic_block.
2231 * Makefile.in: Add rules for bb-reorder.o.
2233 2000-03-16 Neil Booth <NeilB@earthling.net>
2235 * cppinit.c (handle_option): Implement #unassert directive
2236 as -A- command line option.
2237 (print_help): Update.
2238 * cpptexi.c: Update.
2240 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
2242 * md.texi (Standard Names): Document `jump'.
2244 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2246 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
2249 2000-03-15 Geoff Keating <geoffk@cygnus.com>
2251 See the ChangeLog on the branch for more details.
2253 * configure.in: Merge in changes from newppc-branch.
2254 * configure: Regenerate.
2255 * config/rs6000/*: Merge in changes from newppc-branch.
2256 Also correct copyright notices.
2258 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
2260 * acconfig.h (HAVE_GAS_WEAK): New define.
2261 * configure.in (assembler weak support): Check for .weak support.
2262 * config.in, configure: Rebuilt.
2263 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
2264 HAVE_GAS_WEAK is defined.
2266 2000-03-15 Nick Clifton <nickc@cygnus.com>
2268 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
2271 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
2273 * cppfiles.c (open_include_file): New function.
2274 (find_include_file, cpp_read_file): Use it.
2276 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2278 * cpphash.c (dump_hash_helper): Take the slot, not the element.
2280 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
2282 * flow.c (verify_flow_info): Check for unconditional return.
2284 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
2286 * config/ia64/ia64.md (restore_stack_nonlocal): New.
2287 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
2288 (__ia64_restore_stack_nonlocal): New.
2289 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
2291 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2293 * cpphash.c (collect_formal_parameters): Do not complain about
2294 parameter names that just start with `__VA_ARGS__'.
2296 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
2298 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
2299 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
2300 * i386.c (pentiumpro_cost): Set mul cost to 4.
2301 (x86_use_movx): Set for PPro.
2303 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
2305 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
2306 STACK_BOUNDARY for empty frames now.
2308 2000-03-14 Mark Mitchell <mark@codesourcery.com>
2310 * stor-layout.c (layout_union): Remove.
2311 (layout_union_field): New function, split out from layout_union.
2312 (finish_union_layout): Likewise.
2313 (layout_field): Handle unions by calling layout_union_field.
2314 (finish_record_layout): Handle unions.
2315 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
2316 QUAL_UNION_TYPE handling.
2318 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
2320 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
2321 end of basic block is jump_insn, not barrier; use create_basic_block
2322 instead of creating basic block by hand.
2324 2000-03-14 Jason Eckhardt <jle@cygnus.com>
2326 * flow.c (reorder_basic_blocks): Account for barriers when writing
2327 over NEXT_INSN (last_bb->end).
2328 (verify_flow_info): Add check for missing barriers.
2330 2000-03-14 Greg McGary <gkm@gnu.org>
2332 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
2333 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
2334 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
2335 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
2336 __unbounded, __unbounded__): New keywords.
2337 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
2338 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2339 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2341 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
2343 * cselib.h: New file.
2344 * alias.c: Include "cselib.h".
2345 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
2346 MEMs as two new arguments.
2347 (get_addr): New static function.
2348 (find_base_term): Handle VALUEs.
2349 (memrefs_conflict_p): Likewise.
2350 (true_dependence): Call get_addr on the addresses.
2351 Call fixed_scalar_and_varying_struct_p with addresses that have been
2352 passed through get_addr and canon_rtx.
2353 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
2354 with true_dependence.
2355 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
2356 * loop.c: Include "cselib.h".
2357 (load_mems): Process extended basic block that enters the loop with
2358 cselib. Use that information to change initialization of the shadow
2359 register so that a constant equivalence is seen by later passes.
2360 * reload1.c: Include "cselib.h".
2361 (reload_cse_invalidate_regno): Delete function.
2362 (reload_cse_mem_conflict_p): Likewise.
2363 (reload_cse_invalidate_mem): Likewise.
2364 (reload_cse_invalidate_rtx): Likewise.
2365 (reload_cse_regno_equal_p): Likewise.
2366 (reload_cse_check_clobber): Likewise.
2367 (reload_cse_record_set): Likewise.
2368 (reg_values): Delete static variable.
2369 (invalidate_regno_rtx): Likewise.
2370 (reload_cse_delete_noop_set): New static function.
2371 (reload_cse_simplify): New static function, broken out of
2373 (reload_cse_noop_set_p): Delete unused argument INSN.
2374 Just call rtx_equal_for_cselib_p on set source and destination.
2375 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
2376 reload_cse_delete_noop_set. Delete code to keep track of values; use
2377 cselib functions instead. Delete code to push/pop obstacks.
2378 (reload_cse_simplify_set): Use cselib to find equivalent values.
2379 Delete code to push/pop obstacks.
2380 (reload_cse_simplify_operands): Likewise.
2381 * rtl.def (VALUE): New rtx code.
2382 * rtl.h (union rtunion_def): New elt rt_cselib.
2383 (X0CSELIB, CSELIB_VAL_PTR): New macros.
2384 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
2385 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
2386 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
2387 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
2388 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
2389 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
2390 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
2391 cselib_record_set, cselib_record_sets): New static functions.
2392 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
2393 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
2394 references_value_p): New functions.
2395 (MAX_USELESS_VALUES, REG_VALUES): New macros.
2396 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
2397 n_useless_values, reg_values, callmem, cselib_obstack,
2398 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
2399 New static variables.
2400 * varray.h (union varray_data_tag): New elt te.
2401 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
2402 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
2405 2000-03-14 Nick Clifton <nickc@cygnus.com>
2407 * gcc.c (do_spec_1): Catch the case where %* is used in a
2408 substitution pattern, but it has not been initialised.
2409 Issue a meaningful error message if an unrecognised operator
2410 is encountered in a spec string.
2412 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
2414 * function.c (prepare_function_start): Correctly initialize
2415 cfun->stack_alignment_needed.
2417 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
2419 * cppfiles.c (find_include_file): Don't assume nshort is a
2422 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
2424 * configure.in (hppa configurations): Add pa32-regs.h to the
2425 list of tm files as appropriate.
2426 * configure: Rebuilt.
2427 * pa.c (compute_frame_size): Remove explicit knowledge about FP
2429 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
2430 (fmpyaddoperands, fmpysuboperands): Likewise.
2431 * pa.h: Remove various definitions which depend on knowing
2432 how registers are numbered.
2433 * pa32-regs.h: New file with PA32 register numbering specific
2436 2000-03-14 Richard Henderson <rth@cygnus.com>
2438 * regmove.c (combine_stack_adjustments): New.
2439 (stack_memref_p, single_set_for_csa): New.
2440 (free_csa_memlist, record_one_stack_memref): New.
2441 (try_apply_stack_adjustment): New.
2442 (combine_stack_adjustments_for_block): New.
2443 * rtl.h (combine_stack_adjustments): Declare.
2444 * toplev.c (rest_of_compilation): Call it.
2446 * i386.md: Revert 2000-01-16 change.
2448 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2450 * gccbug.in: Add web category, gcc specific classes.
2452 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
2454 * stor-layout.c (finalize_record_size): Fix typo.
2456 2000-03-14 Stan Shebs <shebs@apple.com>
2458 * c-typeck.c (c_alignof): Error on incomplete types.
2459 * extend.texi (Alignment): Document this.
2461 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2463 * cppfiles.c: Include mkdeps.h.
2464 (find_include_file, read_include_file): Remove _cpp_ prefix
2465 from name, make static.
2466 (_cpp_execute_include): New function, broken out of
2469 * cpplib.c: Don't include mkdeps.h.
2470 (struct directive): Remove type field. Reorder entries. The
2471 function takes only one argument.
2472 (struct if_stack): Make type field an int.
2473 (directive_table): Rename to dtable. Generate it, the
2474 prototypes of the directive handlers, and the enum for the
2475 directive numbers, from a template macro.
2476 (do_ifndef, do_include_next, do_import): New functions.
2477 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
2478 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
2479 do_ident, do_assert, do_unassert, do_sccs): Take only one
2481 (do_sccs): Define always, but alter behavior based on
2483 (_cpp_handle_directive, consider_directive_while_skipping):
2484 Restructure for new directive table layout.
2486 (pass_thru_directive): Take a directive number, not a pointer
2487 to a struct directive.
2488 (parse_include): New function, broken out of do_include.
2489 (do_include, do_import, do_include_next): Use parse_include
2490 and _cpp_execute_include.
2491 (do_elif, do_else): Test for T_ELSE specifically when checking
2492 for #elif/#else after #else.
2493 (parse_ifdef): New function, broken out of do_ifdef.
2494 (validate_else): Expect a name arg without a leading #.
2495 (if_directive_name): Delete.
2496 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
2497 directive handlers with only one argument.
2499 * cpphash.h: Update prototypes.
2500 (enum node_type): Remove entries for directives.
2501 * Makefile.in: Update dependencies.
2503 * cpphash.c (dump_hash_helper): Only dump nodes of type
2504 T_MACRO. Emit a newline after each definition.
2506 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2508 * gccbug.in: New file.
2509 * configure.in (all_outputs): Add gccbug.
2510 * Makefile.in (install-common): Install gccbug.
2511 (GCCBUG_INSTALL_NAME): New variable.
2512 * configure: Rebuilt.
2514 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
2516 * function.c (put_var_into_stack): Use type_for_mode to calculate
2517 part_type. Use MEM_SET_IN_STRUCT_P.
2518 * expr.c (store_field): Handle CONCAT.
2519 (store_constructor): Use fields_length.
2520 * tree.c (fields_length): New fn.
2521 * tree.h: Declare it.
2523 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2525 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
2526 (cpplex.o): New target.
2527 * po/POTFILES.in: Add cpplex.c.
2529 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
2530 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
2531 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
2532 skip_block_comment, skip_line_comment, skip_comment,
2533 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
2534 _cpp_parse_name, skip_string, parse_string,
2535 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
2536 _cpp_get_directive_token, find_position,
2537 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
2538 (maybe_macroexpand, _cpp_lex_token): New functions.
2540 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
2541 parse_goto_mark): Delete.
2542 (_cpp_handle_eof): New function.
2543 (_cpp_handle_directive): Rename from handle_directive.
2544 (_cpp_output_line_command): Rename from output_line_command.
2545 (do_if, do_elif): Call _cpp_parse_expr directly.
2546 * cppfiles.c (_cpp_read_include_file): Don't call
2547 init_input_buffer here.
2548 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
2549 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
2550 here; pop the token_buffer and skip the rest of the line here.
2551 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
2554 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
2556 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
2557 CPP_GOTO_MARK): New macros.
2558 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
2559 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
2560 _cpp_read_and_prescan, _cpp_init_input_buffer,
2561 _cpp_grow_token_buffer, _cpp_get_directive_token,
2562 _cpp_handle_directive, _cpp_handle_eof,
2563 _cpp_output_line_command): Prototype them here.
2564 * cpplib.h (enum cpp_token): Add CPP_MACRO.
2565 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
2566 quote_string, output_line_command): Remove.
2568 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
2570 * stmt.c (expand_end_case): RANGE may be signed, and when checking
2571 whether it is too large we must also verify that it isn't negative.
2573 2000-03-13 Jakub Jelinek <jakub@redhat.com>
2575 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
2576 (movsi_zero_liveg0): Remove.
2577 (movsf_insn_novis_liveg0): Remove.
2579 (negsi2_not_liveg0): Rename to negsi2.
2580 (one_cmplsi2): Remove.
2581 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
2582 (one_cmplsi2_liveg0): Remove.
2583 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
2584 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
2585 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
2586 (PREDICATE_CODES): Remove zero_operand.
2587 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
2588 TARGET_BROKEN_SAVERESTORE.
2589 (zero_operand): Remove.
2590 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
2591 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
2593 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2594 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
2595 TARGET_BROKEN_SAVERESTORE): Remove.
2596 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2598 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2600 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2603 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
2605 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2607 * cpplib.c (do_pragma_implementation): Fix off-by-one error
2608 truncating a string. Don't assume tokens are nul terminated.
2609 Problem noted by Andreas Jaeger <aj@suse.de>
2611 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
2613 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
2614 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
2615 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
2617 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
2619 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
2620 STRUCTURE_SIZE_BOUNDARY.
2622 2000-03-13 Mark Mitchell <mark@codesourcery.com>
2624 * tree.h (record_layout_info_s): New structure.
2625 (record_layout_info): New type.
2626 (new_record_layout_info): New function.
2627 (layout_field): Likewise.
2628 (finish_record_layout): Likewise.
2629 * stor-layout.c (layout_record): Remove.
2630 (new_record_layout_info): New function.
2631 (layout_field): New function, broken out from layout_record.
2632 (finalize_record_size): Likewise.
2633 (compute_record_mode): Likewise.
2634 (finalize_type_size): New function, broken out from layout_type.
2635 (finish_record_layout): Likewise.
2636 (layout_type): Use them.
2638 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
2640 * cpphash.c: Don't include version.h.
2641 (special_symbol) [case T_VERSION]: Look for the string in
2642 hp->value.cpval; don't use version_string.
2643 * cppinit.c (initialize_builtins): Set hp->value.cpval for
2644 __VERSION__ to version_string.
2645 * Makefile.in (cpphash.o): Update deps.
2647 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
2649 Convert cpplib to use libiberty/hashtab.c.
2651 * cpplib.h (struct cpp_reader): Make hashtab and
2652 all_include_files of type 'struct htab *'. Delete HASHSIZE
2653 and ALL_INCLUDE_HASHSIZE macros.
2655 * cpphash.h: Update prototypes.
2656 (struct hashnode): Remove next, prev, and bucket_hdr members.
2657 Make length a size_t. Add hash member.
2658 (struct ihash): Remove next member. Add hash member. Make
2659 name a flexible array member.
2661 * cppfiles.c: Include hashtab.h.
2662 (include_hash): Delete.
2663 (IHASHSIZE): New macro.
2664 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
2665 (cpp_included): Do the hash lookup here.
2666 (_cpp_find_include_file): Rewrite.
2667 (cpp_read_file): Put the "fake" hash entry into the hash
2668 table. Honor the control_macro, if it turns out we've seen
2669 the file before. Don't push the buffer here.
2670 (_cpp_read_include_file): Push the buffer here.
2671 (OMODES): New macro. Use it whenever we call open(2).
2673 * cpphash.c: Include hashtab.h.
2674 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
2675 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
2676 _cpp_lookup_slot): New functions.
2677 (HASHSIZE): new macro.
2678 (hashf, _cpp_install, _cpp_delete_macro): Delete.
2679 (_cpp_lookup): Use hashtab.h routines.
2681 * cppinit.c: Include hashtab.h.
2682 (cpp_reader_init): Call _cpp_init_macro_hash and
2683 _cpp_init_include_hash. Don't allocate hashtab directly.
2684 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
2685 pfile->all_include_files.
2686 (initialize_builtins): Use _cpp_make_hashnode and
2687 htab_find_slot to add hash entries.
2688 (cpp_finish): Just call _cpp_dump_macro_hash.
2689 * cpplib.c: Include hashtab.h.
2690 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
2691 create hash entries.
2692 (do_pragma_poison, do_assert): Likewise.
2693 (do_include): Don't push the buffer here. Don't increment
2694 system_include_depth unless _cpp_read_include_file succeeds.
2695 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
2697 (do_pragma_implementation): Use alloca to create copy.
2699 * Makefile.in: Update dependencies.
2701 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2703 * cppinit.c (cl_directive_handler): More K&R fixing.
2705 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
2707 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
2709 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
2711 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2713 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
2714 Change from char[] to macros.
2716 2000-03-12 Neil Booth <NeilB@earthling.net>
2718 * cppinit.c (cpp_start_read): Update indirect function
2721 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
2723 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
2726 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2727 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
2729 2000-03-11 Neil Booth <NeilB@earthling.net>
2731 * cppinit.c (struct pending option): Replace undef with a
2732 pointer to a directive handling routine.
2733 (struct cpp_pending): Replace separate assert_ and define_
2734 lists with one directive_ list.
2735 (new_pending_define): Rename new_pending_directive. Extra
2736 argument is the directive's handling routine.
2737 (handle_option): Update to use new_pending_directive.
2739 2000-03-11 Neil Booth <NeilB@earthling.net>
2741 * cppfiles.c (file_cleanup, _cpp_find_include_file,
2742 remap_filename, _cpp_read_include_file, actual_directory,
2743 hack_vms_include_specification): Replace bcopy(), index() etc
2744 calls. Add casts to some allocations. Make some variables
2745 pointers to const [unsigned] char.
2746 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
2747 collect_formal_parameters): Similarly.
2748 * cppinit.c (struct pending_option, append_include_chain,
2749 cpp_options_init, cpp_reader_init, initialize_standard_includes,
2750 cpp_start_read, new_pending_define, handle_option): Similarly.
2751 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
2752 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
2753 do_pragma_implementation, detect_if_not_defined,
2754 do_ifdef, skip_if_group, cpp_get_token, parse_string,
2755 do_assert, do_unassert): Similarly.
2756 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
2757 function prototypes.
2758 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
2760 2000-03-10 Richard Henderson <rth@cygnus.com>
2762 * builtins.c (expand_builtin_strlen): Revert last change.
2763 Use emit_insn_before if we're at the beginning of a sequence.
2765 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
2767 * builtins.c (expand_builtin_strlen): Make sure that we have something
2768 at the beginning of the sequence.
2770 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
2773 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
2775 2000-03-10 Richard Henderson <rth@cygnus.com>
2777 * except.c (can_throw): Use INTVAL on a CONST_INT.
2778 (reachable_handlers): Likewise.
2779 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
2781 2000-03-10 Andreas Jaeger <aj@suse.de>
2783 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
2784 MD_STARTFILE_PREFIX since those are not needed on linux.
2785 (ASM_FILE_START): New, from mips/gnu.h.
2787 2000-03-09 Richard Henderson <rth@cygnus.com>
2788 Alex Samuel <samuel@codesourcery.com> and others
2790 * Makefile.in (ssa.o): New rule.
2792 (STAGESTUFF): Add *.ssa and *.ussa.
2793 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
2794 * rtl.def (PHI): New RTL expression.
2795 * rtl.h (clear_log_links): New declaration.
2796 (convert_to_ssa): Likewise.
2797 (convert_from_ssa): Likewise.
2798 * flow.c (split_edge): If the entry node falls through to the
2799 split edge's source block, split the entry edge.
2800 (clear_log_links): New function.
2801 * toplev.c (ssa_dump): New variable.
2802 (flag_ssa): Likewise.
2803 (f_options): Add "ssa".
2804 (compile_file): Create SSA dump files.
2805 (rest_of_compilation): Go to and from SSA if enabled.
2806 (decide_d_option): Handle -de for SSA dump files.
2809 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
2811 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
2814 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
2816 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
2818 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
2820 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
2821 (MD_STARTFILE_PREFIX_1): New macro.
2823 2000-03-09 Robert Lipe <robertl@sco.com>
2825 * config/ia64/ia64.c: Include system.h.
2827 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
2829 * except.c (nothrow_function_p): If -fno-exceptions, just return.
2830 (init_eh_nesting_info): Likewise.
2832 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
2833 (TREE_NOTHROW): Rename from TREE_RAISES.
2834 * toplev.c (rest_of_compilation): Set it.
2835 * print-tree.c (print_node): Adjust.
2836 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
2837 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
2838 * calls.c (emit_call_1): Add 'nothrow' parm. Add
2839 REG_EH_REGION note as appropriate.
2840 (libfunc_nothrow): New fn.
2841 (emit_library_call, emit_library_call_value): Use it.
2842 (expand_call): Check TREE_NOTHROW.
2844 * varasm.c (make_decl_rtl): Skip initial '*' when setting
2845 DECL_ASSEMBLER_NAME.
2847 2000-03-09 Andreas Jaeger <aj@suse.de>
2849 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
2850 (TARGET_MEM_FUNCTIONS): Define.
2852 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
2854 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
2856 * except.c (can_throw): See through a SEQUENCE.
2857 (nothrow_function_p): New fn.
2858 * except.h: Declare it.
2859 * function.c (current_function_nothrow): New var.
2860 (prepare_function_start): Initialize it.
2861 * output.h: Declare it.
2862 * toplev.c (rest_of_compilation): Set it.
2863 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
2865 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
2867 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
2868 match. (cpp_compare_defs): Count the nul separator when
2869 advancing over argument names.
2871 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
2873 * recog.c (preprocess_constraints): Matching constraints affect
2874 same alternative/different operand, not same operand/different
2877 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
2878 register and a constant specially.
2880 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * libgcc2.h: New file.
2883 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
2885 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
2887 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
2888 * configure: Regenerate.
2891 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
2893 * Makefile.in (LIBCPP_DEPS): New macro.
2894 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
2896 * cpperror.c: Include cpphash.h.
2897 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
2899 (lex): Don't use CPP_WARN_UNDEF.
2900 (_cpp_parse_expr): Return an int, the truth value.
2901 * cppfiles.c: Include cpphash.h.
2902 (_cpp_merge_include_chains): Move to cppinit.c and make static.
2903 * cppinit.c (include_defaults_array): Disentangle.
2904 (cpp_cleanup): Don't free the if stack here.
2905 (cpp_finish): Pop off all buffers, not just one.
2906 * cpplib.c (eval_if_expr): Return int.
2907 (do_xifdef): Rename do_ifdef.
2908 (handle_directive): Don't use CPP_PREPROCESSED.
2909 (cpp_get_token): Don't use CPP_C89.
2910 * fix-header.c: Don't use CPP_OPTIONS.
2912 * cpplib.h: Move U_CHAR, enum node_type, struct
2913 file_name_list, struct ihash, is_idchar, is_idstart,
2914 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
2915 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
2916 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
2917 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
2918 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
2919 of _cpp_simplify_pathname, _cpp_find_include_file,
2920 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
2921 Move struct if_stack to cpplib.c. Move struct cpp_pending to
2923 Change all uses of U_CHAR to be unsigned char instead.
2924 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
2926 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
2928 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
2929 (dwarf2out_begin_prologue): Set it.
2930 (output_call_frame_info): Don't emit EH unwind info for leaves.
2932 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
2933 can occur outside of an EH region.
2934 * except.c: Correct comments about rethrow behavior.
2935 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
2937 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
2939 * flow.c (make_edges): Always call make_eh_edge for calls.
2941 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
2943 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
2944 (struct cpp_buffer): Remove fname and underflow fields.
2945 (struct cpp_reader): Remove get_token field.
2946 (struct include_hash): Rename to struct ihash. Add typedef to
2948 (struct if_stack): Remove fname field.
2949 (IF_STACK_FRAME): Rename to IF_STACK.
2951 * cpperror.c (print_containing_files): Trust that there are no
2952 macro buffers below the top file buffer.
2953 * cppfiles.c: Replace all references to 'struct include_hash'
2954 with 'IHASH'. Rename initialize_input_buffer to
2955 init_input_buffer. Don't set or reference cpp_buffer->fname,
2956 use buffer->ihash->name instead.
2957 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
2958 not CPP_NULL_BUFFER.
2959 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
2960 IF_STACK_FRAME, IHASH not struct include_hash.
2961 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
2962 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
2963 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
2964 references to cpp_buffer->fname (delete entirely, or use
2965 ->ihash->name instead) and IF_STACK->fname.
2966 (cpp_push_buffer): Don't set new->underflow.
2967 (do_include): Use cpp_file_buffer.
2969 * cpphash.c (collect_formal_parameters): Remove duplicate
2970 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
2971 used as a macro argument name. Don't append "..." to namebuf
2972 for varargs macros. After we're done scanning, go through
2973 namebuf and make it NUL separated, not comma separated.
2974 (_cpp_compare_defs): Remove register tag from variables.
2975 Expect defn->argnames to be NUL separated.
2976 (_cpp_dump_definition): Expect defn->argnames to be NUL
2977 separated and in forward order.
2978 * cpphash.h: Update documentation of argnames field.
2980 2000-03-08 Richard Henderson <rth@cygnus.com>
2982 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
2983 to fail. Don't pre-expand the source operand.
2985 * i386.md (strlensi): Initialize eoschar and align before use.
2987 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
2989 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
2990 CONSTRUCTOR element.
2992 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
2994 * mips.c (mips_expand_prologue): If the last
2995 named argument is the vararg marker "va_list", treat it as
2996 an unnamed argument.
2998 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
3000 * dbxout.c (dbxout_parms): When correcting for promoted
3001 big-endian parameters, use the mode of the DECL_RTL rather
3002 than UNITS_PER_WORD.
3004 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
3006 * c-common.h (make_fname_decl): Declare.
3007 * c-common.c (make_fname_decl): Define.
3008 (declare_hidden_char_array): Remove.
3009 (declare_function_name): Use make_fname_decl.
3010 * c-decl.c (c_make_fname_decl): New function.
3011 (init_decl_processing): Set make_fname_decl.
3013 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
3015 * cccp.c (handle_directive): Initialize backslash_newlines_p.
3017 2000-03-07 Philipp Thomas <pthomas@suse.de>
3019 * po/POTFILES.in: Remove cppalloc.c from file list.
3021 2000-03-07 Steve Chamberlain <sac@pobox.com>
3023 * pj.c (pj_expand_prologue): current_function->args_info is
3024 now current_function_args_info.
3026 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
3027 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
3028 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
3030 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3032 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
3033 output as hexadecimal rather than the default octal.
3035 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3037 * cpphash.c (special_symbol): Fix thinko in previous commit.
3039 2000-03-07 Neil Booth <NeilB@earthling.net>
3041 * cppexp.c (struct operation, left_shift, right_shift,
3042 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
3043 "int"s to "unsigned int"s.
3044 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
3046 * cpplib.h: Update for above.
3047 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
3048 returned from allocations.
3050 * cppinit.c (opt_comp, parse_options): New functions.
3051 (handle_option): Use parse_option to parse a single command
3052 line option, that possibly takes an argument.
3053 (cpp_handle_options): Sort the array of command line options on
3054 first invocation (non-ASCII hosts only).
3055 (print_help): Update.
3057 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3059 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
3060 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
3062 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
3064 * cppinit.c (cpp_cleanup): Free imp->nshort also.
3066 * cpperror.c (cpp_print_containing_files,
3067 cpp_print_file_and_line, v_cpp_message): Rename to
3068 print_containing_files, print_file_and_line, and v_message.
3069 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
3070 to _cpp_parse_expr, parse_escape, and lex.
3071 (parse_charconst): Remove broken multibyte support.
3072 * cppfiles.c (include_hash): Make static.
3073 (cpp_included): New function.
3074 (merge_include_chains, find_include_file, finclude,
3075 simplify_pathname): Rename to _cpp_merge_include_chains,
3076 _cpp_find_include_file, _cpp_read_include_file, and
3077 _cpp_simplify_pathname.
3078 * cpphash.c (cpp_lookup, free_definition, delete_macro,
3079 cpp_install, create_definition, macroexpand, compare_defs,
3080 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
3081 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
3082 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
3083 * cppinit.c (cpp_handle_option): Rename to handle_option, make
3085 * cpplib.c: Remove extern prototype of cpp_parse_expr.
3087 * cpphash.h: Update prototypes.
3088 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
3090 2000-03-07 Andrew Haley <aph@cygnus.com>
3092 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
3093 PTRDIFF_TYPE should be based solely on Pmode.
3096 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3098 * rtl.h (rtunion_def): Constify member `rtstr'.
3099 (emit_line_note_after, emit_line_note, emit_line_note_force,
3100 emit_note, decode_asm_operands): Constify.
3102 * cse.c (canon_hash): Likewise.
3104 * dbxout.c (dbxout_block): Likewise.
3106 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
3107 v_warning_for_asm): Likewise.
3109 * dwarfout.c (function_start_label): Likewise.
3111 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
3112 emit_line_note_force): Likewise.
3114 * final.c (last_filename, asm_insn_count, final_scan_insn,
3115 output_source_line): Likewise.
3117 * function.h (struct emit_status): Likewise.
3119 * gcse.c (hash_expr_1): Likewise.
3121 * genattr.c (gen_attr, main): Likewise.
3123 * genattrtab.c (struct function_unit, current_alternative_string,
3124 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
3125 attr_numeral, check_attr_test, check_attr_value,
3126 convert_set_attr_alternative, convert_set_attr,
3127 compute_alternative_mask, simplify_by_exploding, gen_attr,
3128 gen_unit): Likewise.
3130 * genflags.c (gen_insn): Likewise.
3132 * gengenrtl.c (type_from_format): Likewise.
3134 * genopinit.c (gen_insn): Likewise.
3136 * genoutput.c (n_occurrences, process_template, process_template):
3139 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3142 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3145 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
3146 ggc_set_mark, ggc_get_size): Likewise.
3148 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
3150 * optabs.c (init_one_libfunc): Likewise.
3152 * output.h (assemble_start_function): Likewise.
3154 * recog.c (decode_asm_operands): Likewise.
3156 * toplev.c (rest_of_compilation): Likewise.
3158 * tree.h (emit_line_note_after, emit_line_note,
3159 emit_line_note_force): Likewise.
3161 * varasm.c (asm_output_bss, asm_output_aligned_bss,
3162 asm_emit_uninitialised, assemble_start_function,
3163 assemble_variable, const_hash, compare_constant_1,
3164 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
3166 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
3168 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
3170 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
3172 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
3174 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
3175 arm_dllimport_name_p): Likewise.
3177 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
3180 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
3182 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3184 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
3185 arm_mark_dllexport, arm_mark_dllimport,
3186 arm_pe_encode_section_info): Likewise.
3188 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
3189 ASM_FINISH_DECLARE_OBJECT): Likewise.
3191 * arm/thumb.c (thumb_function_prologue): Likewise.
3193 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
3195 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3197 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
3199 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
3201 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3203 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3205 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
3206 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
3208 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
3210 * i386/i386.c (asm_output_function_prefix): Likewise.
3212 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
3214 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3216 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
3218 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
3219 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
3220 ASM_OUTPUT_SECTION_NAME): Likewise.
3222 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
3224 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
3226 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
3228 * m32r/m32r.c (m32r_encode_section_info): Likewise.
3230 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3232 * mcore/mcore.c (mcore_encode_section_info): Likewise.
3234 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3236 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3238 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3240 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
3242 * mips/mips.md (movdi, movsi): Likewise.
3244 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3246 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3248 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3250 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3251 ASM_OUTPUT_ASCII): Likewise.
3253 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
3254 output_mi_thunk, output_toc): Likewise.
3256 * rs6000/rs6000.md (movsi): Likewise.
3258 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
3260 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
3262 * v850/v850.c (print_operand, print_operand_address,
3263 v850_encode_data_area): Likewise.
3265 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
3267 * config/mips/mips.md (zero_extendsidi2): Always force operand
3268 one to memory for mips16.
3270 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3272 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
3273 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
3274 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
3275 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
3276 (min_precision): Result is unsigned.
3277 (add_double, neg_double, mul_double): Low word is unsigned.
3278 (lshift_double, rshift_double, lrotate_double): Likewise.
3279 (rrotate_double, div_and_round_double): Likewise.
3280 (tree_floor_log2, compare_tree_int): New functions.
3281 (preserve_rtl_expr_temps): New declaration.
3282 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
3283 (decl_attributes): Use tree_log2 to find alignment.
3284 Check for TREE_INT_CST_HIGH for format args.
3285 (min_precision): Now unsigned.
3286 Use tree_floor_log2.
3287 (truthvalue_conversion): Delete long-disabled code.
3288 * c-decl.c (finish_struct): Clean up tests on field width.
3289 (finish_function): Use compare_tree_int.
3290 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
3291 * c-typeck.c (comptypes): Use tree_int_cst_equal.
3292 (default_conversion, digest_init): Use compare_tree_int.
3293 (build_binary_op): Use integer_all_onesp and compare_tree_int.
3294 Fix type errors in forming masks.
3295 * calls.c (initialize_argument_information): Use compare_tree_int.
3296 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3297 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
3298 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
3299 (store_field): Use compare_tree_int.
3300 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
3301 (expand_expr, case ARRAY_REF): Use compare_tree_int.
3302 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
3303 (do_store_flag): Use compare_tree_int.
3304 * fold-const.c (encode, decode): Low part is always unsigned.
3305 (force_fit_type, add_double, neg_double, mul_double): Likewise.
3306 (lshift_double, rshift_double, lrotate_double): Likewise.
3307 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
3308 (fold_convert): Use compare_tree_int.
3309 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
3310 (invert_truthvalue, case INTEGER_CST): Likewise.
3311 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
3312 * mkdeps.c (deps_dummy_targets): Make I unsigned.
3313 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
3314 (lshift_double, rshift_double, lrotate_double, rrotate_double):
3316 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
3317 (expand_end_case): Use compare_tree_int.
3318 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3319 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
3320 (layout_decl): Likewise.
3321 (layout_record, layout_union): Make sizes unsigned.
3322 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
3323 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
3324 * tree.c (struct type_hash): hashcode is unsigned.
3325 (build_type_attribute_variant, type_hash_list): Likewise.
3326 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
3327 (attribute_hash_list, build_array_type, build_method_type): Likewise.
3328 (build_complex_type): Likewise.
3329 (real_value_from_int_cst): Remove unneeded casts.
3330 (integer_all_onesp): Add casts.
3331 (tree_floor_log2, compare_tree_int): New functions.
3332 (build_index_type): Use tree_int_cst_sgn.
3333 * varasm.c (assemble_variable): Use compare_tree_int.
3335 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
3337 * cpphash.c (collect_expansion): Also catch ## at start of macro.
3339 * varasm.c (make_decl_rtl): Don't add a number to members of
3341 (make_function_rtl): Likewise.
3343 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3345 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
3346 patch from 2000-01-28.
3348 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
3350 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
3351 filled with an insn from the jump target.
3353 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3355 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
3356 (c4x_external_ref): Likewise.
3357 * config/c4x/c4x.c (struct name_list): Likewise.
3359 1999-12-16 Ben Collins <bcollins@debian.org>
3361 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
3362 argument to genmultilib.
3363 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
3364 the contents into the multilib.h header.
3365 * gcc.c: Declare multilib_exclusions for the specs file.
3366 (set_multilib_dir): Use it.
3367 (print_multilib_info): Likewise.
3368 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
3369 to pass to genmultilib.
3371 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3373 * builtins.c (built_in_class_names, built_in_names): Constify a
3376 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
3378 (_mcleanup): Ensure value matches format specifier in sprintf.
3380 * cpphash.c (special_symbol): Don't needlessly cast away
3383 * cppinit.c (base_name): Delete unused prototype.
3385 * mkdeps.c (deps_init): Make definition K&R safe.
3387 * tree.h (built_in_class_names, built_in_names): Constify a
3390 2000-03-06 Jakub Jelinek <jakub@redhat.com>
3392 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
3393 floating point instructions for epilogue delay.
3395 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
3396 to gas if it supports .register pseudo.
3398 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
3399 LONG_DOUBLE_TYPE_SIZE if not defined.
3400 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
3401 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
3403 * gengenrtl.c: Likewise.
3404 * print-rtl.c: Likewise.
3406 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
3407 MASK_LONG_DOUBLE_128.
3408 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
3409 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
3410 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
3411 (SUBTARGET_SWITCHES): Define.
3412 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
3413 with -mlong-double-128.
3414 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3415 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3416 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3417 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
3418 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
3419 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
3420 with -mlong-double-128.
3421 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3422 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3423 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3424 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
3425 TARGET_LONG_DOUBLE_128): Define.
3426 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
3427 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
3428 long double on TARGET_ARCH64.
3430 2000-03-06 Mark Mitchell <mark@codesourcery.com>
3432 * function.c (free_temps_for_rtl_expr): Don't free slots
3433 that have been pushed into a higher level.
3436 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3438 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3440 * basic-block.h (ALLOCA_REG_SET): Remove.
3441 (INITIALIZE_REG_SET): New macro.
3442 * flow.c (update_life_info): Use it.
3443 (calculate_global_regs_live): Likewise.
3444 (propagate_block): Likewise.
3445 * global.c (build_insn_chain): Likewise.
3446 * haifa-sched.c (schedule_region): Likewise.
3448 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
3450 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
3451 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
3452 (DWARF_ARANGES_PAD_SIZE): New define.
3453 (output_aranges): Use it to pad the address range header.
3454 (DWARF_ROUND): Fix for non power of 2 rounding.
3456 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
3458 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
3460 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3462 * tree.def (RTL_EXPR): Update documentation.
3463 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
3464 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
3465 * function.c (preserve_rtl_expr_temp): New function.
3466 (preserve_rtl_expr_temps): Likewise.
3467 (preserve_rtl_expr_result): Use it.
3470 2000-03-04 Mark Mitchell <mark@codesourcery.com>
3472 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
3474 * regmove.c (copy_src_to_dest) Do not create src->dest move
3475 for unchanging destination.
3477 2000-03-04 Mark Mitchell <mark@codesourcery.com>
3479 * function.h (struct sequence_stack): Remove rtl_expr.
3480 (struct emit_staus): Likewise.
3481 (seq_rtl_expr): Remove.
3482 * tree.h (free_temps_for_rtl_expr): Don't declare.
3483 (start_sequence_for_rtl_expr): Likewise.
3484 * rtl.h (preserve_rtl_expr_result): Likewise.
3485 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
3486 (start_sequence_for_rtl_expr): Remove.
3487 (push_topmost_sequence): Don't save sequence_rtl_expr.
3488 (pop_topmost_sequence): Remove comment about not restoring it.
3489 (end_sequence): Don't set seq_rtl_expr.
3490 (init_emit): Don't initialize it.
3491 (mark_sequence_stack): Don't mark it.
3492 (mark_emit_status): Likewise.
3493 * except.c (protect_with_terminate): Use
3494 start_sequence_for_rtl_expr, not start_sequence.
3495 * expr.c (expand_expr, case RTL_EXPR): Don't call
3496 preserve_rtl_expr_result or free_temps_for_rtl_expr.
3497 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
3498 (preserve_rtl_expr_result): Remove.
3499 (free_temps_for_rtl_expr): Likewise.
3500 (pop_temp_slots): Likewise.
3501 (mark_temp_slot): Don't mark the rtl_expr.
3502 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
3503 start_sequence_for_rtl_expr.
3505 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
3507 * mkdeps.c, mkdeps.h: New files.
3508 * po/POTFILES.in: Add them.
3509 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
3510 (cpplib.o, cppinit.o): Depend on mkdeps.h.
3511 (mkdeps.o): New target.
3513 * cppfiles.c: Delete deps_output.
3514 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
3515 OBJECT_SUFFIX, and base_name.
3516 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
3518 (initialize_dependency_output): Use deps_init,
3519 deps_add_target, deps_calc_target, and deps_add_dep. Remove
3520 all the unnecessary string bashing.
3521 (cpp_finish): Use deps_write. Remove an unnecessary nesting
3523 * cpplib.c (do_include): Use deps_add_dep.
3524 * cpplib.h (struct cpp_reader): Replace deps_buffer,
3525 deps_allocated_size, deps_size, deps_column members with
3526 single pointer to a struct deps. Delete prototype of
3529 * cppinit.c: Fix thinko in previous patch.
3531 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3533 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
3534 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
3535 (mode_for_size_tree): New function.
3536 (layout_decl, layout_type): Call it and clean up BLKmode checks.
3537 * tree.h (mode_for_size_tree): New declaration.
3539 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
3541 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
3543 * stmt.c (is_body_block): Move...
3544 * dwarfout.c, dwarf2out.c: ...from here.
3545 * tree.h: Declare it.
3546 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
3547 * final.c (final_start_function): Do call remove_unnecessary_notes
3550 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
3552 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
3554 * cpplib.h (_dollar_ok): New macro.
3555 (is_idchar, is_idstart): Use it.
3556 (IStable): Rename to _cpp_IStable. Declare it const if
3557 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
3558 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
3559 is_space): Update for renamed IStable.
3561 * cppinit.c: Delete all references to FAKE_CONST and CAT
3562 macros. Define init_IStable as empty macro if gcc >=2.7 or
3563 C99. Change TABLE() to ISTABLE and hardcode name of table.
3564 (cpp_start_read): Don't change the IStable based on
3567 * cpphash.c (unsafe_chars): Add pfile argument. All callers
3568 changed. Handle '$' for char1 correctly.
3569 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
3571 * cppexp.c (tokentab2): Make const.
3572 (cpp_lex): Make toktab const.
3573 * cppinit.c (include_defaults_array): Make const.
3574 (initialize_standard_includes): Make default_include const.
3576 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
3578 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
3579 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
3580 (gen_decl_die): Likewise.
3581 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
3582 (output_decl): Likewise.
3584 * varasm.c (make_function_rtl): If we change the name used in the
3585 rtl, update DECL_ASSEMBLER_NAME accordingly.
3586 (make_decl_rtl): Likewise.
3588 * toplev.c (rest_of_compilation): Tweak formatting.
3590 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
3591 remove_unnecessary_notes.
3592 (debug_ignore_block): New fn.
3593 * toplev.h: Declare it.
3594 * emit-rtl.c (remove_unncessary_notes): Call it.
3595 * dwarf2out.c (dwarf2out_ignore_block): New fn.
3596 * dwarf2out.h: Declare it.
3597 * final.c (final_start_function): Don't call remove_unnecessary_notes
3598 if we did insn scheduling.
3600 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
3602 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
3603 * cpplib.h: Delete SET_CPP_PEDANTIC.
3605 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3607 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
3608 result is a RECORD_TYPE.
3610 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
3612 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
3614 2000-03-03 Richard Henderson <rth@cygnus.com>
3616 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
3617 addition over compliments over shifts.
3619 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3621 * reload1.c (reload_combine_note_use): Handle return register USEs.
3622 REG case: Handle multi-hard-register hard regs.
3624 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3626 * md.texi: Document use of '*' in insn pattern name.
3628 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
3630 * calls.c (special_function_p): operator new may not be malloc-like.
3632 * gcse.c (dump_hash_table): Really fix error in last change.
3634 2000-03-02 Denis Chertykov <denisc@overta.ru>
3636 * avr.c (print_operand): Use print_operand_address instead of
3638 * avr/libgcc.S: Cleanup code.
3640 2000-03-02 Richard Henderson <rth@cygnus.com>
3642 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
3644 2000-03-02 Mark Mitchell <mark@codesourcery.com>
3646 * tree.h (TYPE_ALIGN_UNIT): New macro.
3648 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
3650 * i386.c: (constant_call_address_operand): Reject CONST_INT.
3652 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
3654 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
3656 (SET_CPP_PEDANTIC): New macro.
3657 * cpplib.c (do_include): Don't bother checking system_header_p.
3658 (do_warning, do_ident, do_assert, do_unassert): Likewise.
3659 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
3661 * function.h (struct expr_status): Add x_arg_space_so_far.
3662 (arg_space_so_far): New macro.
3663 * expr.c (init_expr): Initialize it.
3664 * calls.c (emit_call_1): Reset it.
3665 (compute_argument_block_size, expand_call): Use it.
3666 (expand_call, store_one_arg): Increment it.
3668 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3670 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
3673 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
3675 * cppfiles.c (cpp_read_file): New function.
3677 * cpphash.c (collect_expansion): Make sure to reset last_token
3678 to NORM when we hit a string. Handle trailing whitespace
3679 properly when the expansion is empty.
3680 (create_definition): Disable line commands while parsing the
3682 (dump_definition): If pfile->lineno == 0, output a line
3683 command ahead of the dump, and add a trailing newline.
3685 * cppinit.c (append_include_chain): Add fifth argument, which
3686 indicates whether or not system headers are C++ aware.
3687 (initialize_standard_includes): New function,
3688 broken out of read_and_prescan. Pass 'cxx_aware' value from
3689 the include_defaults_array on to append_include_chain.
3690 (dump_special_to_buffer): Const-ify char array.
3691 (builtin_array): Don't dump __BASE_FILE__.
3692 (cpp_start_read): Use cpp_read_file. Reorder code for
3693 clarity. Don't output line commands here for -D/-A/-U
3694 switches. Don't call deps_output for files included with
3695 -include or -imacros.
3697 * cpplib.c (do_define): Don't pay any attention to the second
3699 (cpp_expand_to_buffer): Disable line commands while scanning.
3700 (output_line_command): Work in the file buffer.
3701 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
3702 Fix formatting of comments. Prototype cpp_read_file.
3704 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3706 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
3707 reference the language-equivalent of sizetype.
3708 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
3709 * fold-const.c (size_binop, size_diffop): Put back checks.
3710 * gcse.c (dump_hash_table): Fix minor error in last change.
3711 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
3712 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
3715 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
3717 * calls.c (expand_call) Do not attempt to combine stack adjustments
3718 with inhibit_defer_pop set.
3720 2000-03-01 Mark Mitchell <mark@codesourcery.com>
3722 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
3723 the DECL_SIZE for a FIELD_DECL.
3725 2000-03-01 Bruce Korb <bkorb@gnu.org>
3727 * fixinc/inclhack.tpl: remove unused symlinks
3728 * fixinc/README: GCC Maintainer info
3729 * fixinc/inclhack.sh: regen
3730 * fixinc/fixincl.sh: regen
3732 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
3734 * cpphash.c (collect_expansion): Trim trailing white space
3735 from macro definitions, but don't go past the last insertion
3738 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
3740 * i386.md (mulqi3): New pattern.
3742 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
3744 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
3746 (struct cpp_reader): Add parsing_if_directive and
3747 parsing_define_directive flags.
3748 (struct cpp_options): Remove output_conditionals flag.
3749 (check_macro_name): Delete prototype.
3751 * cpphash.h (struct macrodef): Delete.
3752 (struct reflist): Separate from struct definition.
3753 (struct definition): Remove unused fields. Add column number.
3754 (create_definition): Returns a DEFINITION *. Takes a
3755 cpp_reader * and an int.
3757 * cpphash.c (SKIP_WHITE_SPACE): Delete.
3758 (PEEKC): Copy defn from cpplib.c.
3759 (rest_extension, REST_EXTENSION_LENGTH): Delete.
3761 (struct arglist): Simplify.
3762 (collect_expansion): Rewrite. Get tokens by calling
3763 cpp_get_token. Add more error checking.
3764 (collect_formal_parameters): New function, broken out of
3765 create_definition and reworked to use get_directive_token.
3766 (create_definition): All real work is now in collect_expansion
3767 and collect_formal_parameters. do_define handles finding the
3768 macro name. Return a DEFINITION, not a MACRODEF.
3769 (macroexpand): Replace bcopy with memcpy throughout. Replace
3770 character-at-a-time copy loop with memcpy and pointer increments.
3771 (compare-defs): d1->argnames / d2->argnames might be null.
3773 * cpplib.c (copy_rest_of_line): Delete function.
3774 (skip_rest_of_line): Do all the work ourselves.
3775 (skip_string): New function.
3776 (parse_string): Use skip_string.
3777 (get_macro_name): New function.
3778 (check_macro_name): Delete.
3779 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
3780 (cpp_skip_hspace): Use CPP_BUMP_LINE.
3781 (handle_directive): ICE if we're called on a macro buffer.
3782 (do_define): Determine macro name and type (funlike/objlike)
3783 here. Expunge all uses of MACRODEF.
3784 (cpp_push_buffer): Set line_base to NULL.
3785 (do_undef, read_line_number): Don't worry about getting a POP token.
3786 (eval_if_expression): Set/reset parsing_if_directive around
3787 cpp_parse_expr. Don't clear only_seen_white.
3788 (skip_if_group): Remove output_conditionals logic. Use
3790 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
3791 tokens under appropriate conditions.
3792 (cpp_unassert): Call do_unassert not do_assert. Oops.
3794 * cppexp.c (parse_defined): New function, break out of
3796 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
3797 ourselves, with cpp_defined.
3798 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
3800 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
3801 * gcc.dg/strpaste-2.c: New.
3803 2000-02-29 Mark Mitchell <mark@codesourcery.com>
3805 * fold-const.c (size_binop): Don't asert inputs are the same and
3806 have TYPE_IS_SIZETYPE set.
3807 (size_diffop): Likewise.
3809 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
3811 * dwarfout.c (output_block): Output abstract blocks even if they
3812 don't have TREE_ASM_WRITTEN set.
3814 * calls.c (emit_library_call): Check for null REG.
3816 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
3818 * c-decl.c (current_function_decl): Move to toplev.c.
3819 (init_decl_processing): Don't add current_function_decl as a ggc
3821 * dbxout.c (dbxout_symbol): Change return type to int.
3822 (dbxout_symbol_location, dbxout_syms): Likewise.
3823 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
3824 any locals. Use current_function_func_begin_label if set.
3825 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
3826 * dwarf2out.c (dwarf2out_begin_prologue): Set
3827 current_function_func_begin_label.
3828 * final.c (final_start_function): Reset it.
3829 * toplev.c (current_function_decl): Define it here.
3830 (current_function_func_begin_label): New variable.
3831 (main): Add both as ggc roots.
3832 * tree.h (current_function_func_begin_label): Declare.
3834 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3836 * gcse.c: Cleanups throughout: mostly white-space, but also
3837 some minor rearrangement of code.
3839 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
3841 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
3842 returns a PARALLEL. Use emit_group_load and use_group_regs
3844 (emit_library_call_value): Similarly.
3846 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
3847 * pa/quadlib.asm: Remove.
3848 * pa/quadlib.c: New file.
3850 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
3851 * configure: Rebuilt.
3853 2000-02-29 Philip Blundell <pb@futuretv.com>
3855 * config/arm/conix-elf.h: New file.
3856 * configure.in (arm*-*-conix*): New configuration.
3857 * configure: Regenerate.
3859 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
3861 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
3862 don't have TREE_ASM_WRITTEN set.
3864 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3866 * Eliminate DECL_FIELD_SIZE.
3867 * builtins.c (built_in_class_names, built_in_names): New variables.
3868 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
3869 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
3870 DECL_SIZE, not DECL_FIELD_SIZE.
3871 * print-tree.c (print_node): Remove code that prints extra blank
3872 lines in some cases.
3873 Properly handle inline and builtin function cases.
3874 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
3875 * tree.h (built_in_class_named, built_in_names): New declarations.
3876 (union tree_decl): Rename internal unions to u1 and u2 and change
3877 some of their components.
3878 Add new field built_in_class.
3879 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
3880 Reflect above changes.
3881 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
3882 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
3883 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
3884 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
3886 2000-02-28 Dmitri Makarov <dim@windriver.com>
3888 * extend.texi: Document ARM's support for long/short calls.
3890 * invoke.texi: Document ARM's -mlong-calls command line switch.
3892 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
3893 (arm_encode_call_attribute): Add prototype.
3894 (arm_set_default_type_attribute): Add prototype.
3895 (arm_strip_name_encoding): Add prototype.
3897 * config/arm/arm.c (arm_init_cumulative_args): replace
3898 initialisation og 'long_calls' field with initialisation of
3899 'call_cookie' field.
3900 (enum arm_pragma_enum): New enum.
3901 (arm_pragma_long_calls): New static variable.
3902 (arm_process_pragma): Also process "#pragma long_calls_off".
3903 (arm_valid_type_attribute_p): Accept short_call attribute.
3904 (arm_comp_type_attributes): Check long/short call attributes.
3905 (arm_encode_call_attribute): New function: Encode long_call
3906 or short_call attribute in function name.
3907 (arm_set_default_type_attributes): New function: Assign
3908 default attributes to newly defined type.
3909 (current_file_function_operand): New function: Return true if
3910 the symbol is a function which has already been compiled.
3911 (arm_is_longcall_p): New function: Return true if the
3912 indicated function should be called via a long call.
3913 (arm_get_strip_length): New function. Returns number of
3914 prefix characters to be stripped from a function's name.
3915 (arm_strip_name_encoding): New function. Strip prefix characters
3916 from a function's name.
3918 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
3920 (SHORT_CALL_FAG_CHAR): Define.
3921 (LONG_CALL_FAG_CHAR): Define.
3922 (ENCODED_SHORT_CALL_ATTR_P): Define.
3923 (ENCODED_LONG_CALL_ATTR_P): Define.
3924 (ARM_NAME_ENCODING_LENGTHS): Define.
3925 (STRIP_NAME_ENCODING): Define.
3926 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
3927 (ARM_ENCODE_CALL_TYPE): Define.
3928 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
3929 (ARM_DECLARE_FUNCTION_SIZE): Define.
3930 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
3932 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
3933 if a long call is needed.
3934 (call_value): Ditto.
3935 (call_symbol): Ditto.
3937 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
3938 ARM_DECLARE_FUNCTION_SIZE.
3940 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
3941 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
3942 (ARM_STRIP_NAME_ENCODING): Undefine.
3943 (STRIP_NAME_ENCODING): Undefine.
3944 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
3945 (ASM_DECLARE_FUNCTION_NAME): Ditto.
3946 (ASM_OUTPUT_COMMON): Ditto.
3947 (ASM_DECLARE_OBJECT_NAME): Ditto.
3949 * config/arm/pe.c (arm_dllexport_name_p): Check for
3951 (arm_dllimport_name_p): Ditto.
3952 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
3953 (arm_mark_dllimport): Ditto.
3955 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3957 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
3959 2000-02-28 Mark Mitchell <mark@codesourcery.com>
3961 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
3963 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
3965 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
3966 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
3967 NO_BUILTIN_WCHAR_TYPE is not defined.
3968 (CPP_WCHAR_TYPE): Delete.
3969 * cccp.c (main): Don't change wchar_type if cplusplus.
3970 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
3972 2000-02-28 Nick Clifton <nickc@cygnus.com>
3974 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
3976 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
3978 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
3979 (ASM_WEAKEN_LABEL): Define.
3981 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
3983 * expr.c (store_constructor): Do not emit USE.
3984 * rtl.h (stupid_life_analysis): Remove.
3986 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3988 * function.c (number_blocks): Reset next_block_index based on
3989 what debugging format is used, not what is defined.
3991 * lcm.c: Minor reformatting throughout.
3992 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
3994 * toplev.c (rest_of_compilation): Account for time in
3995 optimize_mode_switching.
3997 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
3998 if only marking labels.
4000 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
4002 * calls.c (expand_call): Attempt to combine stack adjustments with
4003 pending stack adjustments.
4005 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4007 * loop.c (reg_in_basic_block_p): Don't abort when falling through
4008 to the end of the function.
4010 2000-02-27 Mark Mitchell <mark@codesourcery.com>
4012 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
4014 * final.c (next_block_index): Remove.
4015 (max_block_depth): Likewise.
4016 (pending_blocks): Likewise.
4017 (init_final): Don't initialize them.
4018 (final_start_function): Don't set next_block_index. Set up
4020 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
4021 * function.h (number_blocks): New function.
4022 * function.c (get_block_vector): New function.
4023 (identify_blocks): Use it.
4024 (reorder_blocks): Set NOTE_BLOCK.
4025 (number_blocks): New function.
4026 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
4027 * tree.h (BLOCK_NUMBER): New macro.
4028 (tree_block): Add block_num field.
4029 * dbxout.c (next_block_number): Remove.
4030 (dbxout_init): Don't set it.
4031 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
4032 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
4034 * toplev.c (rest_of_compilation): Always call
4035 find_loop_tree_blocks. Fix indentation.
4036 * dwarf2out.c (next_block_number): Remove.
4037 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4038 to determine block numbers.
4039 (gen_inlined_subroutine_die): Likewise.
4040 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
4041 (decls_for_scope): Don't increment next_block_number.
4042 * dwarfout.c (next_block_number): Remove.
4043 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4044 to determine block numbers.
4045 (output_inlined_subroutine_die): Likewise.
4046 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
4047 (output_decls_for_scope): Don't increment next_block_number.
4048 * sdbout.c (next_block_number): Remove.
4049 (sdbout_block): Use BLOCK_NUMBER.
4050 (sdbout_begin_block): Simplify.
4051 * xcoffout.c (next_block_number): Remove.
4052 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
4053 (xcoffout_begin_block): Don't set next_block_number.
4054 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
4057 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4059 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
4060 (expand_builtin_strcpy): Pass correct type to size_binop.
4061 (expand_builtin_strcmp): Likewise.
4062 Clean up conditional structure.
4063 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
4064 (complete_array_type): Don't use size_binop for MAXINDEX.
4065 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
4066 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
4067 (c_alignof): Use size_one_node.
4068 (build_unary_op): Pass arg of proper type to size_binop.
4069 (really_start_incremental_init, push_init_level): Use sizetype for
4070 constructor{,_bit,_unfilled}_index.
4071 (pop_init_label, output_init_element): Likewise.
4072 (output_pending_init_elements, process_init_element): Likewise.
4073 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
4074 * expr.c (store_expr): Use size_int.
4075 (store_constructor): Use proper types for size_binop args.
4076 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
4077 (expand_expr_unaligned): Likewise.
4078 (string_contant): Return object of sizetype.
4079 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
4080 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
4081 (ARGS_SIZE_TREE): Pass proper types to size_binop.
4082 * fold-const.c (int_const_binop): Refine when size_int is called.
4083 (fold_convert): Likewise.
4084 (size_int_wide): Rework to take KIND as arg, only take low order
4085 bits, handle new sizetype_tab datatype, and chain entries in
4087 (size_int_type_wide): New function.
4088 (size_binop): Validate types of arguments.
4089 (ssize_binop): Deleted.
4090 (size_diffop): New function.
4091 (extract_muldiv): Only fold division into multiplication for sizetypes.
4092 * function.c (assign_parms): Use size_diffop and make sure
4093 VAR field is of ssizetype; also pass proper type to size_binop.
4094 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
4095 (round_down): Deleted from here.
4096 * store-layout.c (sizetype_tab): Now an array.
4097 (sizetype_set, early_root_list): New variables.
4098 (variable_size): Use size_one_node.
4099 (round_up): Pass proper type to size_binop.
4100 (round_down): Moved to here and corrected as above.
4101 (layout_record): Pass proper arg types to size_binop.
4102 (layout_type): Likewise.
4103 If sizetype_set is zero, record the type just laid out.
4104 (make_unsigned_type): Don't call set_sizetype;
4105 (make_signed_type): Likewise; also, call fixup_signed_type.
4106 (initialize_sizetypes): New function.
4107 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
4108 set name of bitsizetype to "bit_size_type".
4109 Fix up type of sizes of all types made before call.
4110 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
4111 * tree.c (fix_sizetype): Deleted.
4112 (build_common_tree_nodes): Call initialize_sizetypes.
4113 (build_common_tree_nodes_2): Don't call fix_sizetype.
4114 * tree.h (TYPE_IS_SIZETYPE): New macro.
4115 (initialize_sizetype): New declaration.
4116 (enum size_type_kind): New type.
4117 (struct sizetype_tab): Deleted.
4118 (sizetype_tab): Now array; adjust sizetype macros.
4119 (size_diffop, size_int_type_wide): New functions.
4120 (size_int_wide): Change number of args and type; access macros changed.
4121 (ssize_int, sbitsize_int): New macros.
4122 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
4123 (ROUND_TYPE_SIZE_UNIT): New macro.
4125 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
4127 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
4129 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4131 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
4132 Mark as possibly unused.
4134 * cse.c (cse_insn): Delete dead code involving tablejump.
4135 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
4137 * Makefile.in (libcpp.a): Start by deleting it.
4139 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4141 * cpplib.h (enum file_change_code): Added rename_file.
4142 * cpplib.c (do_line): If a filename is given, set file_change to
4144 (output_line_command): If file_change is rename_file, always
4145 output a # directive with the file name.
4147 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
4149 2000-02-26 Mark Mitchell <mark@codesourcery.com>
4151 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
4152 when copying a PARM_DECL or RESULT_DECL.
4154 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4156 * fix-header.c (recognized_function): Also fix prototypes for
4157 functions taking "void".
4159 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4161 * reload1.c (do_output_reload): Check reg_reloaded_valid before
4162 looking at reg_reloaded_contents.
4164 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
4166 * Makefile.in (STMP_FIXINC): New toggle.
4167 (LIBGCC2_DEPS): Delete all references.
4168 (stmp-headers): Delete target. All references either deleted
4169 or changed to stmp-int-headers.
4170 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
4171 (LIBCPP_OBJS): Take out cppalloc.o.
4172 (cppalloc.o): Delete target.
4173 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
4174 (gen-protos, fix-header): Link with libiberty.a.
4175 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
4178 * configure.in: Remove refs to strerror.
4179 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
4180 * system.h: Take out strerror stanza.
4182 * cpperror.c (my_strerror): Delete function.
4183 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
4184 * cppmain.c (main): Call xmalloc_set_program_name first thing.
4185 * cppalloc.c: Delete file.
4186 * gen-protos.c: Don't provide xrealloc.
4188 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
4189 xstrerror throughout.
4191 2000-02-26 Bruce Korb <bkorb@gnu.org>
4193 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
4194 match for DOS headers, too.
4195 * fixinc/inclhack.sh,fixincl.x: Regenerate.
4197 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4199 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
4200 is right for most ELF targets.
4201 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
4202 Let the default file use %U properly.
4203 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
4206 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
4209 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4211 * toplev.c (documented_lang_options): Correct spelling error.
4212 (decode_d_option, decode_f_option, main): Likewise.
4214 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
4216 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
4217 to tell assembler it is permitted to expand large constants.
4219 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
4221 * protoize.c: (AUX_INFO_SUFFIX): New macro.
4222 (aux_info_suffix): Use.
4223 (SAVE_SUFFIX): New macro.
4225 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
4226 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
4227 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
4229 * invoke.texi (Running Protoize): Update documentation.
4231 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
4233 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
4235 2000-02-25 John Wehle (john@feith.com)
4237 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
4239 2000-02-25 Anthony Green <green@cygnus.com>
4241 * toplev.c (rest_of_compilation): Rebuild jump labels if
4242 combine_instructions has created a new direct jump.
4243 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
4245 (combine_instructions): Call try_combine with new argument.
4246 Return non-null value when new direct jump instruction is created.
4247 * rtl.h: combine_instructions returns an int.
4249 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
4251 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
4252 jump when changing a computed jump into a jump to a known
4255 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
4257 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
4258 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
4260 * i386.md (define_expand "clrstrsi"): Fix typo.
4262 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
4264 * rtl.texi: Fix typo.
4266 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4268 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4269 UNITS_PER_WORD. Change caller initial_elimination_offset.
4270 (rounded_frame_size): Take into account that argument pushed has
4271 changed. Fix TARGET_ALIGN_DOUBLE problem.
4273 2000-02-25 Geoff Keating <geoffk@cygnus.com>
4275 * haifa-sched.c (schedule_block): Explain the real reason
4276 we delete REG_SAVE_NOTEs on the first insn of a block.
4277 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
4279 2000-02-24 Mark Mitchell <mark@codesourcery.com>
4281 * input.h (push_srcloc): New function.
4282 (pop_srcloc): Likewise.
4283 * toplev.c (push_srcloc): Define it.
4284 (pop_srcloc): Likewise.
4286 2000-02-24 Richard Henderson <rth@cygnus.com>
4288 * flow.c (life_analysis): When collecting reg info, clear
4291 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4293 Fix bug exposed by reload.c no longer rounding the frame
4294 size to BIGGEST_ALIGNMENT:
4295 * sh.c (rounded_frame_size): New function.
4296 (sh_expand_prologue, sh_expand_epilogue): Use it.
4297 (initial_elimination_offset): Likewise.
4299 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4301 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
4302 * sh-protos.h (sh_need_epilogue): Declare.
4303 * sh.c (sh_need_epilogue_known): New static variable.
4304 (sh_need_epilogue): New function.
4305 (function_epilogue): Clear need_epilogue_known.
4306 * sh.md (return): Split into expander / insn pattern.
4307 Make the expander conditional on ! sh_need_epilogue ().
4309 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
4311 * machmode.h (get_mode_alignment): Declare.
4312 (GET_MODE_ALIGNMENT): Call it.
4313 * stor-layout.c (get_mode_alignment): New function. Make
4314 sure alignment is always power of 2.
4316 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4318 * i386.h: Remove useless definition of "I386" and misleading
4321 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4323 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
4324 under which TREE_PERMANENT will be set.
4325 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
4326 build1): Use TREE_SET_PERMANENT.
4327 * print-tree.c (print_node): Don't report value of
4328 TREE_PERMANENT if ggc_p is true.
4330 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
4331 decide whether to give a type a new alias set.
4332 * objc/objc-act.c (build_objc_string_object): Never copy the string.
4333 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
4334 of value of 'obstack'.
4337 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4339 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
4341 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4343 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
4344 * cpplib.c (cpp_get_token): Produce them.
4345 * cppexp.c (cpp_lex): Handle them.
4347 2000-02-23 Nick Clifton <nickc@cygnus.com>
4349 * config/arm/arm.c (arm_comp_type_attributes): Simply and
4350 comment tests on type attributes.
4352 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4354 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
4355 conform to documentation.
4356 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
4357 to check for special cases.
4358 * sh-protos.h (sh_loop_align): Declare.
4359 * sh.c (sh_loop_align): Define.
4361 2000-02-22 Andrew Haley <aph@cygnus.com>
4363 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
4364 (SIZE_TYPE): Is 32 bits when using -mgp32.
4365 (PTRDIFF_TYPE): Ditto.
4367 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4369 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
4371 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4373 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
4374 BIGGEST_FIELD_ALIGNMENT a constant.
4376 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
4378 * dwarf2out.c (output_line_info): Put the marker for the end of
4379 the line number info at the actual end.
4380 (gen_struct_or_union_type_die): Use decl_function_context
4381 to check for local classes.
4382 * dwarfout.c (output_type): Likewise.
4384 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
4386 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
4387 for arguments with a mode, but no type.
4388 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
4389 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
4390 * pa/long_double.h: New file.
4391 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
4392 both have 128bit wide long doubles.
4393 * configure: Rebuilt.
4395 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4397 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
4399 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
4400 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
4401 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
4403 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
4405 * integrate.c (compare_blocks, find_block): Likewise.
4407 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
4409 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
4411 * stmt.c (stmt_status, set_file_and_line_for_stmt,
4412 expand_asm_operands): Likewise.
4414 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
4416 * predict.c (estimate_probability): Added the pointer heuristic to
4417 the collection of static branch predictors.
4419 2000-02-21 Catherine Moore <clm@cygnus.com>
4421 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
4422 * invoke.texi (-mfix7000): Document.
4424 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
4426 * diagnostic.c (init_output_buffer): Make it possible to output at
4427 least 32 characters if we're given a too long prefix.
4429 2000-02-20 Mark Mitchell <mark@codesourcery.com>
4431 * varasm.c (initializer_constant_valid_p): Call
4432 lang_expand_constant to simplify the constant.
4434 2000-02-20 Bruce Korb <bkorb@gnu.org>
4436 * fixinc/inclhack.def(stdio_va_list):
4437 typedef needs to be disabled.
4438 * fixinc/inclhack.sh: regen
4439 * fixinc/fixincl.x: regen
4441 2000-02-20 Geoff Keating <geoffk@cygnus.com>
4443 * print-rtl.c (print_rtx): Don't print addresses when
4444 flag_dump_unnumbered.
4446 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4448 * sparc.c (sparc_output_scratch_registers): Mark parameter with
4450 (sparc_va_arg, sparc_flat_output_function_prologue,
4451 sparc_flat_output_function_epilogue): Cast value to unsigned in
4453 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
4455 * sparc.md: Add default case in switch.
4457 2000-02-19 Richard Henderson <rth@cygnus.com>
4459 * c-typeck.c (add_pending_init): Don't abort for multiple
4460 fields at the same offset.
4461 (pending_init_member): Test the correct member.
4463 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4465 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
4467 (start_catch_handler) : Same.
4469 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
4471 * Makefile.in: Have flow.o depend on $(EXPR_H)
4473 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4475 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
4476 * c-decl.c (duplicate_decls, finish_enum): Likewise.
4477 (finish_decl): Remove -Wlarger-than code from here.
4478 * flags.h (id_clash_len): Now int.
4479 (larger_than_size): Now HOST_WIDE_INT.
4480 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
4481 Clean up checking to see if in table.
4482 (make_bit_field_ref): Remove extra parm to bitsize_int.
4483 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
4484 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
4485 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
4486 and for computing size of decl.
4487 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
4488 Move -Wlarger-than code to here.
4489 (layout_record): Remove extra arg to bitsize_int.
4490 Set TYPE_BINFO_SIZE_UNIT.
4491 (layout_union): Remove extra arg to bitsize_int.
4492 Use proper type for size of QUAL_UNION.
4493 (layout_type): Remove extra arg to bitsize_int.
4494 * toplev.c (id_clash_len): Now int.
4495 (larger_than_size): Now HOST_WIDE_INT.
4496 (decode_W_option): Clean up id-clash and larger-than- cases.
4497 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
4498 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
4499 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
4500 (struct tree_decl): New field size_unit.
4501 (size_int_wide): No HIGH operand; NUMBER is now signed.
4502 (size_int_2): Deleted.
4503 (size_int, bitsize_int): Don't use it and rework args.
4504 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
4506 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
4508 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
4510 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4512 * invoke.texi (Warning Options): Add an explanation of why
4513 you might want the -Wfloat-equal flag.
4515 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4517 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
4518 * cppinit.c (new_pending_define): Add cast to avoid warning.
4519 * expmed.c (extract_bit_field): Likewise.
4520 * flow.c (enum reorder_skip_type): New type.
4521 (skip_insns_between_blcok): New it.
4522 Rework to avoid warning about possibly undefined variable.
4523 * function.c (assign_parms): Make thisparm_boundary unsigned.
4524 * genrecog.c (write_switch): Cast XWINT result to int.
4525 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
4526 * mips-tfile.c (init_file): Make two versions of FDR intializer:
4527 one for MIPS and one for Alpha.
4528 (get_tag, copy_object): Add casts to avoid warnings.
4529 * optabs.c (init_one_libfunc): Cast NAME to (char *).
4530 * reload.c (find_reloads): Make TYPE enum reload_type.
4531 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
4532 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
4533 * varasm.c (compare_constant_1): Add cast to avoid warning.
4534 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
4536 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
4537 Cast switch operand of size to int.
4538 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
4539 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
4542 2000-02-18 Nick Clifton <nickc@cygnus.com>
4544 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
4545 anything for an alignment of zero.
4547 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
4548 anything for an alignment of zero.
4550 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
4552 * gcc.texi (Bug Reporting): Refer to bugs.html.
4553 (Bug Lists): Likewise.
4554 * system.h (GCCBUGURL): New preprocessor define.
4555 * rtl.c (fancy_abort): Use it.
4556 * gcc.c (main): Likewise.
4558 2000-02-18 Richard Henderson <rth@cygnus.com>
4560 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
4561 (life_analysis_1): Subsume into ...
4562 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
4563 Use update_life_info for the relaxation.
4564 (update_life_info): Update REG_BASIC_BLOCK for registers live on
4565 entry and regs_live_at_setjmp.
4566 (set_noop_p): Simplify.
4567 (notice_stack_pointer_modification_1): Renamed from s/_1//.
4568 (record_volatile_insns): Split into ...
4569 (delete_noop_moves): ... here,
4570 (notice_stack_pointer_modification): ... here,
4571 (insn_dead_p): ... and here.
4572 (propagate_block): Don't query INSN_VOLATILE.
4573 (mark_used_regs): Mind !PROP_REG_INFO.
4574 * toplev.c (rest_of_compilation): Call mark_constant_function here,
4575 not in life_analysis.
4577 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
4579 * loop.c (canonicalize_condition): New function,
4580 broken out of get_condition.
4581 (get_condition): Use it.
4582 * expr.h (canonicalize_condition): Prototype it.
4584 * tree.h (tree_int_cst_msb): Declare.
4585 * tree.c (tree_int_cst_msb): New function.
4587 2000-02-17 Mark Mitchell <mark@codesourcery.com>
4589 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
4592 * invoke.texi (-fmessage-length=n): Document.
4594 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
4596 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
4598 2000-02-17 Mark Mitchell <mark@codesourcery.com>
4600 * function.c (thread_prologue_and_epilogue_insns): Put a line note
4603 2000-02-17 Nick Clifton <nickc@cygnus.com>
4605 * config/arm/thumb.c: Replace includes of system headers with
4606 #include "system.h".
4608 2000-02-16 Richard Henderson <rth@cygnus.com>
4610 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
4611 Add crtbeginS.o and crtendS.o.
4612 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
4613 (ENDFILE_SPEC): Use crtendS.o.
4614 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
4616 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
4617 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
4619 (__dso_handle): New variable.
4620 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
4621 bias to __CTOR_END__.
4623 2000-02-16 Richard Henderson <rth@cygnus.com>
4625 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
4627 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
4629 * longlong.h (__clz_tab): Declare as static to match definition.
4631 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
4632 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
4633 (XREF_FILE_NAME): Define.
4635 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
4636 (EH_FRAME_SECTION_ASM_OP): Define.
4637 (IDENT_ASM_OP): Define.
4638 (TEXT_SECTION_ASM_OP): Define.
4640 (CTORS_SECTION_ASM_OP): Define.
4641 (CTOR_SECTION_FUNCTION): Use it.
4642 (DTORS_SECTION_ASM_OP): Define.
4643 (DTOR_SECTION_FUNCTION): Use it.
4645 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
4647 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
4650 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
4651 debug_bb_n): New functions.
4652 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
4653 * basic-block.h: Prototype new functions.
4655 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
4657 * configure.in: Add support for avr target.
4658 * configure: Rebuilt.
4660 * invoke.texi: Add AVR invocation docs.
4661 * install.texi: Add information about AVR.
4662 * md.texi: Add AVR constraint letters description.
4663 * extend.texi: Add description for AVR specific attributes.
4665 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
4667 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
4669 2000-02-16 Nick Clifton <nickc@cygnus.com>
4671 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
4672 (make_insn_raw): Move RTL check here.
4674 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4676 * version.c: Include gansidecl.h and version.h.
4678 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
4680 * configure.in (gcc_version): When setting, narrow search to
4681 lines containing `version_string'.
4683 * Makefile.in (mainversion): Likewise.
4684 (GCC_H): New variable.
4685 (gcc.h): Delete target.
4686 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
4687 (version.o): Depend on version.h.
4688 (dbxout.o): Don't depend on gcc.h.
4690 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
4691 Michael Meissner <meissner@cygnus.com>
4693 * md.texi (Simple Constraints): Add item about whitespace.
4694 * genoutput.c (strip_whitespace): New.
4695 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
4696 strip_whitespace for constraints.
4697 Test pointer using NULL, not 0.
4699 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4701 * cpplib.c (do_line): Pedwarn for #line > 32767.
4703 * c-lex.c (readescape): Warn about '\x', but do not reject it.
4705 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
4707 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
4708 to default cpp spec.
4709 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
4710 * cpp.texi: Document __GNUC_PATCHLEVEL__.
4713 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
4716 2000-02-15 Denis Chertykov <denisc@overta.ru>
4718 * configure.in: Add support for avr target.
4720 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4722 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
4723 (sh_addr_diff_vec_mode): Don't declare.
4724 * sh.c (sh_addr_diff_vec_mode): Delete.
4726 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4728 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
4730 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4732 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
4733 (smulsi3_highpart_i): Name.
4734 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
4735 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
4736 (smulsi3_highpart, umulsi3_highpart): Likewise.
4738 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
4739 correctly independent of endianness.
4740 (mulsidi3, umulsidi3): Now define_insn. Hide details that
4741 confuse the optimizers.
4742 (mulsidi3+1, umulsidi3+1): New define_split.
4744 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
4746 * config/sh/sh.md: Guard insn splits against illegal registers.
4747 * config/sh/sh.h: Correct comment about macros.
4749 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4750 Andrew MacLeod <amacleod@cygnus.com>
4752 * Makefile.in (lcm.o): Depend on insn-attr.h.
4753 * basic-block.h (optimize_mode_switching): Declare.
4754 * lcm.c (tm_p.h, insn-attr.h): #include.
4755 (seginfo, bb_info): New structs.
4756 (antic, transp, comp, delete, insert) : New file-scope static variables.
4757 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
4758 (reg_becomes_live, optimize_mode_switching): Likewise.
4759 * tm.texi: Add description of mode switching macros.
4760 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
4762 * sh-protos.h (remove_dead_before_cse): Remove prototype.
4763 (fldi_ok, fpscr_set_from_mem): New prototypes.
4764 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
4765 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
4766 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
4767 (sh_flag_remove_dead_before_cse): Remove declaration.
4768 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
4769 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
4770 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
4771 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
4772 (barrier_align): Allow for JUMP_INSNS containing a parallel.
4773 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
4774 (fldi_ok): New function.
4775 (get_fpscr_rtx): Add fpscr_rtx as GC root.
4776 (emit_sf_insn): Only generate fpu switches when optimize < 1.
4777 (emit_df_insn): Likewise.
4778 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
4779 (sh_flag_remove_dead_before_cse): Delete.
4780 (get_free_reg, fpscr_set_from_mem): New functions.
4781 * sh.md (movdf, movsf): Remove no_new_pseudos code.
4782 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
4784 2000-02-15 Loren Rittle <ljrittle@acm.org>
4786 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
4788 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4790 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
4791 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
4793 * cccp.c: Include version.h and/or don't declare `version_string'.
4794 * collect2.c: Likewise.
4795 * alpha.c: Likewise.
4796 * arm/aof.h: Likewise.
4797 * arm/coff.h: Likewise.
4798 * arm/elf.h: Likewise.
4799 * arm/pe.h: Likewise.
4800 * arm/tcoff.h: Likewise.
4801 * arm/telf.h: Likewise.
4802 * arm/tpe.h: Likewise.
4803 * arm/vxarm.h: Likewise.
4804 * convex/convex.c: Likewise.
4805 * i386/dgux.c: Likewise.
4806 * i386/sun386.h: Likewise.
4807 * m88k/m88k.c: Likewise.
4808 * mcore/mcore-pe.h: Likewise.
4809 * mips/mips.h: Likewise.
4810 * romp/romp.h: Likewise.
4811 * sh/sh.c: Likewise.
4812 * cpphash.c: Likewise.
4813 * cppinit.c: Likewise.
4814 * dwarf2out.c: Likewise.
4815 * dwarfout.c: Likewise.
4818 * mips-tfile.c: Likewise.
4819 * protoize.c: Likewise.
4820 * toplev.c: Likewise.
4823 * version.c (version_string): Constify a char*.
4825 * version.h: New file.
4827 2000-02-14 Nick Clifton <nickc@cygnus.com>
4829 * configure.in: Add mcore-elf and mcore-pe targets.
4830 * configure: Regenerate.
4832 * NEWS: Add note that MCore port has been contributed.
4834 * invoke.texi: Document command line switches for MCore port.
4835 * install.texi: Add MCore to list of supported targets.
4837 2000-02-14 Geoff Keating <geoffk@cygnus.com>
4839 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
4840 then we will need to import the frame handling functions.
4841 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
4842 to import the frames themselves.
4844 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
4845 Jason Eckhardt <jle@cygnus.com>
4847 * basic_block.h: Added prototype for reorder_basic_blocks.
4848 * toplev.c: Changes to add -freorder-blocks and graph dump after
4849 block reordering is done.
4850 * flow.c (reorder_block_def): New structure for use during block
4852 (REORDER_BLOCK_*): New macros to access members of above structure.
4853 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
4854 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
4855 functions for block reordering.
4857 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
4859 * gcc.texi (Passes): Fix typo.
4860 * md.texi (Standard Names): Ditto.
4861 * tm.texi (Storage Layout): Ditto.
4863 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
4865 * cpplib.c (do_define): Only free the old definition if it
4868 2000-02-13 Neil Booth <NeilB@earthling.net>
4870 * cppfiles.c (read_and_prescan): When emitting deferred
4871 newlines, test speccase[] again instead of checking each
4872 possible whitespace character in turn. When we encounter \r,
4873 look behind for \n first, then ahead.
4875 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
4877 * cse.c (cse_altered): New internal flag.
4878 (cse_insn): Set it if we changed an insn.
4879 (cse_main): Clear cse_altered before each basic block.
4880 Only garbage collect if cse_altered is true afterward.
4882 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4884 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
4886 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
4888 * combine.c (simplify_comparison): Fix typo.
4890 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
4892 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
4895 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4897 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
4898 previously inserted node instead of root node. Caller changed.
4900 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4902 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
4904 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4906 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
4907 __dereg_frame_dtor): Add prototype argument.
4909 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
4911 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
4913 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
4915 * gthr-vxworks.h (__gthread_once): Likewise.
4917 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
4919 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
4921 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
4922 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
4923 stack pointer in functions w/o saved registers, output LEAVE more often
4924 on TARGET_USE_LEAVE machines.
4926 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
4928 * config/arm/arm.c (arm_init_cumulative_args); New function:
4929 Initlaise the CUMULATIE_ARGS strcuture for a function
4931 (arm_function_arg): New function: Determine where to place a
4932 function's argument. Also handles deciding the function's
4934 (current_file_function_operand): New function: Return true if
4935 the symbol is a function which has already been compiled.
4936 (arm_is_long_call_p): New function: Return true if the
4937 indicated function should be called via a long call.
4938 (arm_valid_type_attribute_p): New function: Return true if the
4939 attribute is a valid, arm specific, attribute.
4940 (arm_comp_type_attribute): New function: Return true if the
4941 two types have compatable, arm specific, attributes.
4943 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
4945 (FUNCTION_ARG): Redefine to call arm_function_arg.
4946 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
4948 (INIT_CUMULATIVE_ARGS): Redefine to call
4949 arm_init_cumulative_args.
4950 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
4952 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
4954 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
4956 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
4957 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
4958 (COMP_TYPE_ATTRIBUTES): Define.
4960 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
4961 if a long call is needed.
4962 (call_value): Call arm_is_long_call_p to decide if a long call
4964 (call_symbol): Call arm_is_long_call_p to decide if a long call
4967 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
4969 2000-02-11 Denis Chertykov <denisc@overta.ru>
4971 * README.AVR: New file with information about the avr ports.
4972 * config/avr: New directory with avr port files.
4974 2000-02-11 Andreas Jaeger <aj@suse.de>
4976 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
4978 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
4980 * cpphash.c: Fix formatting, update commentary.
4981 (dump_definition): Take three separate arguments instead of a
4982 MACRODEF structure argument.
4983 * cpphash.h: Update prototype of dump_definition.
4984 * cppinit.c (cpp_finish): Update call of dump_definition.
4986 * cpplib.c (do_define): Always create new hash entry with
4987 T_MACRO type. Remove redundant check for redefinition of
4988 poisoned identifier. Update call of dump_definition.
4989 (do_undef): Don't call check_macro_name. Rename sym_length to
4991 (do_error, do_warning): Don't use copy_rest_of_line or
4993 (do_warning): Don't use pedwarn for the actual warning,
4994 only the notice about its not being in the standard. (Fixes
4995 bug with #warning in system headers.)
4996 (do_ident): Stricter argument checking - accept only a single
4997 string after #ident. Also, macro-expand the line.
4998 (do_xifdef): Use cpp_defined. De-obfuscate.
5000 (do_pragma): Split out specific pragma handling to separate
5001 functions. Use get_directive_token. Update commentary. Do
5002 not pass on #pragma once or #pragma poison to the front end.
5003 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
5004 do_pragma_default): New.
5006 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
5008 * jump.c (jump_optimize_1): The first operand in a relational
5010 * optabs.c (emit_conditional_move): Handle relationals which
5011 have a known true/false result.
5013 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5015 * function.c (thread_prologue_and_epilogue_insns): Don't insert
5016 a RETURN insn into a block which already ends with a jump.
5018 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5020 * haifa-sched.c (BUF_LEN): Increase a lot.
5022 2000-02-11 Nick Clifton <nickc@cygnus.com>
5024 * configure.in: Add tm_p_file specification for thumb targets.
5025 * configure: Regenerate.
5027 * config/arm/thumb-protos.h: New file: Prototypes for exported
5028 functions defined in thumb.c.
5030 2000-02-11 Robert Lipe <robertl@sco.com>
5032 * Makefile.in (bootstrap-lean): Remove additional files.
5033 (bootstrap2-lean): Likewise.
5034 (VOL_FILES): List of files for above.
5036 2000-02-11 Nathan Sidwell <nathan@acm.org>
5038 * cpphash.c (special_symbol): Remove spurious argument to
5041 2000-02-11 Joel Sherrill (joel@OARcorp.com>
5043 * configure.in: (i*86-*-rtems*): Swapped elf and coff
5045 * configure: Rebuilt.
5047 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
5049 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
5051 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
5053 * pa.c, pa.h: Remove trigraph sequences within comments.
5055 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
5057 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5059 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
5061 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
5063 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5065 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
5067 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5069 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
5070 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
5071 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
5072 (ASM_FILE_END): Use c4x_file_end.
5073 * config/c4x/c4x.c (c4x_global_label): New function.
5074 (c4x_external_ref, c4x_file_end): Likewise.
5076 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
5077 (c4x_external_ref, c4x_end_file): Likewise.
5079 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
5081 * cppexp.c: Don't include cpphash.h.
5082 (parse_charconst, cpp_lex): Use cpp_defined.
5083 (cpp_lex): Use get_directive_token throughout. Remove
5084 unnecessary cases from switch. Move assertion-handling code
5086 (cpp_parse_expr): If we see '+' or '-', check the context to
5087 determine if they are unary or binary operators. Streamline
5088 the jumps a bit. Do not call skip_rest_of_line.
5090 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
5091 static. Export get_directive_token. Update commentary.
5092 (cpp_defined): New function.
5093 (do_define): Remove reference to T_PCSTRING. Call
5094 free_definition to release memory for old definition, when
5096 (eval_if_expression): Set only_seen_white to 0 before calling
5097 cpp_parse_expr. Call skip_rest_of_line after it returns.
5098 (cpp_read_check_assertion): Don't preserve a pointer into the
5099 token buffer across a call to cpp_get_token.
5101 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
5102 * cppfiles.c (redundant_include_p): Use cpp_defined.
5103 * cpphash.c (free_definition): New function.
5104 (delete_macro): Use it. Update commentary.
5105 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
5107 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
5108 from enum node_type. Prototype cpp_defined and get_directive_token.
5109 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
5111 * fix-header.c (check_macro_names): Use cpp_defined.
5112 (read_scan_file): Set inhibit_warnings and inhibit_errors in
5113 the options structure.
5115 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5117 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
5119 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
5121 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
5122 rather than die->die_tag.
5124 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5126 * combine.c (make_extraction, force_to_mode): Avoid warning on
5127 mixed-signedness conditionals.
5128 (make_field_assignment, nonzero_bits): Likewise.
5129 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
5130 (store_split_bit_field, extract_split_bit_field): Likewise.
5131 (extract_fixed_bit_field, store_bit_field,
5132 * expr.c: Change alignment to be unsigned everywhere.
5133 (move_by_pieces, store_constructor_field, store_constructor):
5134 Alignment parm is unsigned.
5135 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5136 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5137 (do_compare_rtx_and_jump): Likewise.
5138 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
5139 Compare align with GET_MODE_ALIGNMENT.
5140 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
5141 (get_inner_reference): Likewise.
5142 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
5143 (expand_assignment): Local vars for alignment now unsigned.
5144 (store_constructor, store_field, expand_expr, do_jump): Likewise.
5145 (do_compare_and_jump): Likewise.
5146 (store_field): Call new function expr_align.
5147 * expr.h (emit_block_move, emit_group_load, emit_group_store):
5148 Alignment arg now unsigned.
5149 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5150 (do_compare_rtx_and_jump, store_bit_field): Likewise.
5151 (extract_bit_field): Likewise.
5152 * fold-const.c (add_double): Add cast to eliminate signedness warning.
5153 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
5154 (get_best_mode): Alignment arg is unsigned.
5155 * rtl.h (move_by_pieces): Likewise.
5156 * store-layout.c (maximum_field_alignment, set_alignment):
5158 (layout_decl): Alignment arg is now unsigned.
5159 Remove unneeded casts.
5160 (layout_record, layout_union, layout_type): Remove unneeded casts.
5161 Local alignment variables now unsigned.
5162 (get_best_mode): Alignment arg now unsigned.
5163 * tree.c (expr_align): New function.
5164 * tree.h (expr_align): Likewise.
5165 (maximum_field_alignment, set_alignment): Now unsigned.
5166 (get_inner_reference): Alignment argument is now pointer to unsigned.
5167 * varasm.c (assemble_variable): Add cast to eliminate warning.
5169 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
5171 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
5172 then store directly into op0.
5174 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
5175 the CALL_INSN, and emit the note immediately after it.
5177 2000-02-10 Nick Clifton <nickc@cygnus.com>
5179 * config/arm/thumb.md (epilogue): Include a (return) in the
5180 generated insn, and emit it using emit_jump_insn not
5183 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
5185 * function.c (assign_temp): Change zero-sized arrays to size 1.
5186 * integrate.c (expand_inline_function): Do not update
5187 stack_alignment_needed
5188 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
5189 add some sanity checking, remove optimization for function with
5192 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5194 * flow.c (mark_regs_live_at_end): Delete unused variables.
5196 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
5198 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
5199 in macro FRAME_GROWS_DOWNWARD.
5201 * stmt.c (expand_end_bindings): Delete unused variable.
5203 * unroll.c (iteration_info): Mark parameter `loop' with
5206 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5208 * fixinc/server.c (load_data): Return NULL if the marker line is
5210 (run_shell): If load_data returns NULL, retry the command once, in
5213 * configure: Rebuilt.
5215 2000-02-09 Bruce Korb <bkorb@gnu.org>
5217 * gcc/fixincludes: ** DELETED **
5218 * gcc/fixcpp: ** DELETED **
5219 * gcc/fixinc-nt.sed: ** DELETED **
5220 * gcc/just-fixinc: ** DELETED **
5221 * gcc/Makefile.in: Removed out-dated commentary
5222 * gcc/configure.in: Removed fast-fixincludes disablement.
5223 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
5225 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5226 * function.c (thread_prologue_and_epilogue_insns): Uncomment
5229 2000-02-09 Richard Henderson <rth@cygnus.com>
5231 * jump.c (delete_insn): Don't delete user labels at -O0.
5233 2000-02-09 Robert Lipe <robertl@sco.com>
5235 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
5236 Don't link with HOST_LIBS.
5238 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5240 * configure.in: Correct --help text for --with-dwarf2.
5241 Put tm-dwarf2.h after other tm files, if it's requested.
5242 * configure: Regenerate.
5243 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
5246 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5248 * cpplib.h: Provide HASHNODE typedef and forward decl of
5249 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
5250 DEFINITION, struct hashnode, struct macrodef, struct
5251 definition, scan_decls prototype, default defn of
5252 INCLUDE_LEN_FUDGE moved elsewhere.
5254 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
5255 definition, and struct hashnode moved here. Remove the unused
5256 'predefined' field from struct definition. Replace the 'args'
5257 union with its sole member. All users updated (cpphash.c).
5258 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
5259 multiple include guard.
5261 * cpphash.c (hashf): Make static; use better algorithm; drop
5262 HASHSIZE parameter; return an unsigned int.
5263 (cpp_lookup): Drop HASH parameter. PFILE parameter is
5264 used. Calculate HASHSIZE modulus here.
5265 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
5267 (create_definition): Drop PREDEFINITION parameter.
5268 * cpplib.c (do_define): Don't calculate a hash value here.
5269 Don't pass (keyword == NULL) to create_definition.
5271 * scan.h: Prototype scan_decls here.
5272 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
5273 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
5274 callers of cpp_lookup and cpp_install updated.
5276 * cpphash.c (macarg): Hoist all the flag diddling out of the
5278 (macroexpand): ... and out of the loop that calls macarg.
5279 Skip over the initial paren before macro arguments with
5280 cpp_get_non_space_token; point may be some distance before
5281 that paren. Abort if it's not there.
5283 * cpplib.c (parse_clear_mark): Delete function.
5284 (parse_set_mark, parse_goto_mark): Make static.
5285 (ACTIVE_MARK_P): New macro.
5286 (skip_block_comment, skip_line_comment): Do not bump the line
5287 if ACTIVE_MARK_P is true.
5288 (cpp_pop_buffer): The buffer to be popped may not have an
5290 (cpp_get_token): When looking for the initial paren before
5291 macro arguments, only set a mark in a file buffer, Always
5292 return to that mark before proceeding to call macroexpand or
5293 return a NAME token.
5295 * cpplib.h: Remove prototypes of parse_set_mark,
5296 parse_clear_mark, parse_goto_mark.
5297 (struct cpp_options): Rename 'put_out_comments' to
5298 'discard_comments' and invert its sense.
5299 * cppinit.c, cpphash.c, cpplib.c: All users of
5300 put_out_comments changed to use discard_comments, with
5303 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5305 * function.c (thread_prologue_and_epilogue_insns): Don't delete
5306 the edge from a block that both jumps and falls through to the
5309 2000-02-09 Scott Bambrough <scottb@netwinder.org>
5311 * config/arm/arm.md (movsi): In PIC mode, make sure that a
5312 constant source address is legitimate.
5314 2000-02-09 Philip Blundell <pb@futuretv.com>
5316 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
5319 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
5321 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
5323 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5325 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
5326 ends with a newline and a NUL. Don't be so clever manipulating
5329 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
5331 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
5332 not to BIGGEST_ALIGNMENT.
5334 2000-02-08 Geoff Keating <geoffk@cygnus.com>
5336 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
5337 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
5338 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
5339 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
5340 * frame.c (execute_cfa_insn): Handle
5341 DW_CFA_GNU_negative_offset_extended.
5343 2000-02-08 Richard Henderson <rth@cygnus.com>
5345 * flow.c (tidy_fallthru_edges): Split out from ...
5346 (delete_unreachable_blocks): ... here.
5347 (find_basic_blocks): Use it.
5349 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5351 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
5353 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
5355 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
5356 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
5357 (fix-header.o): Don't depend on cpphash.h.
5359 * scan.c (hashstr): New function.
5360 * scan.h: Prototype it.
5361 * fix-header.c: Don't include cpphash.h. Use hashstr.
5362 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
5363 hashstr. Report hash table statistics. Add private
5364 definition of xrealloc.
5366 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5368 * i386.h (TARGET_SWITCHES): Fix typo in option name.
5370 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
5372 * function.c (thread_prologue_and_epilogue_insns): Don't replace
5373 jumps with returns unless they are jumps to the fallthru block.
5375 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
5377 * i386.md (addqi3_cc): Fix contraints.
5379 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5381 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
5383 2000-02-07 Mark Mitchell <mark@codesourcery.com>
5385 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
5386 carriage return after a macro name.
5388 2000-02-07 Fred Fish <fnf@be.com>
5390 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
5391 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
5393 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
5395 * cppfiles.c (deps_output): Count spacers in deps_column.
5397 2000-02-07 Neil Booth <NeilB@earthling.net>
5399 * cppinit.c (initialize_dependency_output): If there is no
5400 suffix, don't try to look for known suffixes. Use strrchr.
5401 (cpp_start_read): Remove duplicate initialization.
5403 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
5405 * calls.c (compute_argument_block_size): New argument
5406 preferred_stack_boundary.
5407 (expand_call): update cfun->preferred_stack_boundary, update call of
5408 compute_argument_block_size
5409 (emit_library_call): Increate cfun->preferred_stack_boundary
5410 to PREFERRED_STACK_BOUNDARY
5411 (emit_library_call_value): Likewise.
5412 * explow.c (allocate_dynamic_stack_spave): Likewise.
5413 * function.c (prepare_function_start): Set
5414 cfun->preferred_stack_boundary
5415 * function.h (struct function): Add preferred_stack_boundary field.
5416 * integrate.c (expand_inline_function): Update
5417 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
5418 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
5419 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
5421 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
5423 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
5424 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
5425 cpp_pedwarn, cpp_pedwarn_with_line,
5426 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
5427 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
5428 v_cpp_error_with_line, v_cpp_warning_with_line,
5429 cpp_message_from_errno, cpp_perror_with_name): Delete.
5431 * cpperror.c (cpp_print_containing_files): Take starting
5433 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
5434 (v_cpp_message): Now called directly by all entry points.
5436 (cpp_pfatal_with_name, cpp_message): Delete.
5437 (cpp_notice_from_errno, cpp_ice): New functions.
5438 (cpp_notice): Is now for reporting error conditions, just
5439 without an associated file.
5440 (cpp_error, cpp_error_with_line): Don't do anything if
5441 opts->inhibit_errors is on.
5442 (cpp_pedwarn_with_file_and_line): Take column argument also.
5444 * cpplib.h: Update prototypes of exported functions.
5445 (struct cpp_options): Add inhibit_errors.
5447 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
5448 non-error messages. Include intl.h.
5450 * cppinit.c, cppmain.c: Likewise. Also, use
5451 cpp_notice_from_errno instead of cpp_perror_with_name or
5452 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
5454 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
5455 report internal errors.
5457 * cpplib.c (do_define): Switch bcopy to memcpy.
5458 Give cpp_pedwarn_with_file_and_line a dummy column argument.
5460 * cpplib.c (copy_rest_of_line): Revert previous change: don't
5461 bail out early if we hit a line comment.
5463 2000-02-06 Richard Henderson <rth@cygnus.com>
5465 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
5466 * basic-block.h: Declare them.
5467 * emit-rtl.h (active_insn_p): New.
5468 (next_active_insn, prev_active_insn): Use it.
5469 * rtl.h: Declare it.
5470 * function.c (emit_return_into_block): New.
5471 (thread_prologue_and_epilogue_insns): Insert return insns instead
5472 of epilogues when possible.
5473 * jump.c (jump_optimize_1): Remove code to insert a return insn
5474 on the fallthru to the exit block.
5476 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
5477 and for non-empty stack frames.
5478 * i386.md (return): Expand to return-pop as needed.
5480 2000-02-06 Richard Henderson <rth@cygnus.com>
5482 * simplify-rtx.c (simplify_relational_operation): Canonicalize
5483 constant to op1 for testing.
5485 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5487 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
5488 (fixuns_truncqfqi2): Use it.
5490 2000-02-06 Richard Henderson <rth@cygnus.com>
5492 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
5495 * i386.md (widening and peepholes): Mask the constant instead of
5498 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
5500 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
5501 input pointer before possibly branching off to the backslash
5503 * cpphash.c (macroexpand): Correctly delete \r escapes when
5504 stringifying parameters.
5505 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
5506 if we can; bail out early if we hit a line comment.
5507 (handle_directive): Treat '# 123' in an .S file just like
5508 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
5509 Return 1 for '# not_a_directive'.
5510 (get_directive_token): Pop macro buffers here, so that
5511 cpp_get_token can't sneakily move past a newline.
5513 (cpp_get_token): goto randomchar if handle_directive returns 0.
5515 * cppalloc.c: Update copyright.
5516 * cpplib.c: Merge all the static function prototypes into one
5518 * cpplib.h: Remove #if 0 block.
5520 * cpperror.c: Remove #ifdef EMACS block.
5521 * cppmain.c: Likewise.
5522 * cpphash.c: Remove #if 0 blocks.
5523 * cppinit.c: Remove #if 0 blocks, and the -lint option.
5524 * cpplib.c: Remove #if 0 blocks and code referencing
5525 pcp_inside_if or for_lint. Remove duplicate error message.
5526 Fix error messages for #else after #else or #elif. Reformat.
5527 Remove archaic TODO list.
5528 * cpplib.h: Remove pcp_inside_if and for_lint flags.
5530 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
5532 * i386/osf1elf.h: Add missing backslash to multiline string.
5534 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5536 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
5538 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5540 * Makefile.in (c-common.o): Depend on $(EXPR_H).
5542 * c-common.c: Include expr.h.
5544 * c-pragma.c (mark_align_stack): Add prototype.
5546 * caller-save.c (add_stored_regs): Likewise.
5548 * combine.c (record_promoted_value): Likewise.
5550 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
5553 * cppinit.c (new_pending_define): Likewise.
5555 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
5557 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
5558 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5559 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
5560 class_scope_p): Likewise.
5562 * dwarf2out.h (dwarf2out_set_demangle_name_func,
5563 dwarf2out_add_library_unit_info): Likewise.
5565 * ggc.h (ggc_page_print_statistics): Likewise.
5567 * haifa-sched.c (propagate_deps): Likewise.
5569 * reg-stack.c (next_flags_user, record_label_references): Likewise.
5571 * rtl.h (set_stack_check_libfunc): Likewise.
5573 * toplev.h (set_fatal_function): Likewise.
5575 * toplev.c (set_fatal_function): Delete prototype.
5577 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
5579 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5581 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
5582 (FUNC_END): Likewise.
5584 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5586 * caller-save.c: Include tm_p.h.
5588 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5590 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
5592 2000-02-04 Neil Booth <NeilB@earthling.net>
5594 * cccp.c (main): Check 'dir' for a NULL pointer before passing
5597 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
5599 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
5600 * genflags.c: Use the max_operand_1 logic from genemit.c to
5601 calculate how many arguments gen_insn prototypes have. Remove
5602 NO_MD_PROTOTYPES ifdefs from the generated file.
5603 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
5604 file. Cast gen_insn initializers to insn_gen_fn.
5605 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
5606 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
5608 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5610 * fixinc/Makefile.in (HDR): Add machname.h.
5613 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5615 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
5616 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
5617 (c4x_cpu_version): Ditto.
5618 * config/c4x/c4x-protos.h: ... here.
5620 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
5622 * dwarf2out.c (add_abstract_origin_attribute): Don't call
5623 gen_abstract_function on our context if we're a nested function.
5625 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5627 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
5628 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
5630 2000-02-04 Bruce Korb <bkorb@gnu.org>
5632 * fixinc/genfixes(machname.h):
5633 Move the functionality from gen-machine.h into this file.
5634 UNdef MN_NAME_PAT if there are no names to change.
5635 Also, be a little kinder when AutoGen is not present.
5637 * fixinc/Makefile.in(machname.h):
5638 Change the generation rule to use genfixes.
5640 * fixinc/fixfixes.c(machine_name):
5641 machine_name_fix's functionality now dependent upon whether
5642 MN_NAME_PAT is defined.
5644 * fixinc/fixtests.c(machine_name):
5647 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
5650 * fixinc/fixlib.h(mn_get_regexps):
5653 * fixinc/gen-machine.h: DELETED
5655 2000-02-04 Jan Hubicka <jh@suse.cz>
5656 Richard Henderson <rth@cygnus.com>
5658 * i386.c (SAVE_REGS_FIRST): Remove.
5659 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
5660 (ix86_compute_frame_size): Likewise.
5661 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
5662 (ix86_emit_restore_regs): Remove.
5663 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
5664 when a frame pointer is in use.
5665 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
5666 instead of pop to restore a register when profitable; emit leave
5668 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
5670 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
5671 * i386.md (prologue_allocate_stack): Remove.
5672 (epilogue_deallocate_stack): Remove.
5673 (pro_epilogue_adjust_stack): New.
5675 2000-02-04 Richard Henderson <rth@cygnus.com>
5677 * function.c (diddle_return_value): Rework to use a callback function.
5678 Use current_function_return_rtx if it's been set up.
5679 (do_clobber_return_reg, clobber_return_register): New.
5680 (do_use_return_reg, use_return_register): New.
5681 (expand_function_end): Use them.
5682 * stmt.c (expand_null_return): Likewise.
5683 * function.h: Declare them.
5684 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
5685 (mark_reg): Change arguments as appropriate for callback.
5686 * integrate.c (expand_inline_function): Revert 19 Jan change.
5688 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
5690 * tm.texi (Values in Registers): Fix typo: "fo" "for".
5691 (Misc): Say the scheduler, not the Haifa scheduler.
5693 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
5695 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
5696 when in_mem is set. Update all callers.
5698 2000-02-04 Richard Henderson <rth@cygnus.com>
5700 * i386/openbsd.h (INT_ASM_OP): Define.
5702 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
5704 * tm.texi: Fix various typos.
5706 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
5708 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
5709 (MD_STARTFILE_PREFIX_1): New macro.
5711 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
5713 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
5714 destination when needed.
5715 (strmovsi, strsetsi): New expander.
5716 (strmovsi_1, strsetsi_1): New pattern.
5717 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
5718 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
5719 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
5720 * invoke.texi (align-stringops, inline-all-stringops): Document.
5722 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
5724 * i386/netbsd.h (INT_ASM_OP): Define.
5726 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
5728 * cpplib.h (cpp_reader): Add new flag, no_directives.
5729 * cpphash.c (macarg): Set it.
5730 * cpplib.c (handle_directive): If no_directives is on and we
5731 find a directive, issue an error and discard the line.
5733 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
5735 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
5736 FP constants. Add ! TARGET_FPU check for FP constants.
5738 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
5740 * flow.c (find_basic_blocks): Don't kill label_value_list
5742 (cleanup_cfg): Kill it here.
5744 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5746 * expr.c (store_field): Ensure ALIGN is no stricter than the
5749 2000-02-02 Richard Henderson <rth@cygnus.com>
5751 * jump.c (delete_insn): Partially revert 19 Jan change;
5752 don't convert unused code labels to notes at -O0.
5754 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5756 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
5757 split_all_insns to recreate REG_LABEL notes for flow2 pass.
5759 2000-02-01 Richard Henderson <rth@cygnus.com>
5761 * i386.c (general_no_elim_operand): New.
5762 (nonmemory_no_elim_operand): New.
5763 (ix86_expand_move): Copy eliminable operands before a push.
5764 * i386-protos.h: Declare new functions.
5765 * i386.h (CAN_ELIMINATE): Simplify.
5766 (PREDICATE_CODES): Update.
5767 * i386.md (push insns): Don't allow eliminable register operands.
5769 2000-02-01 Richard Henderson <rth@cygnus.com>
5771 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
5772 replace BLKmode with DECL_RTL's mode.
5774 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
5776 * frame.c (find_fde): Convert for loop to do-while so compiler
5777 sees it's always executed at least once.
5778 * libgcc2.c (BBINBUFSIZE): Kill.
5779 (__bb_init_prg): Use fgets.
5780 (__bb_exit_trace_func): Don't paste strings.
5781 * unroll.c (unroll_loop): Initialize unroll_type, not
5782 unroll_number, and tweak logic to match.
5784 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
5786 (ix86_flags_dependant): Likewise. Disentangle control flow.
5787 (ix86_sched_reorder): Break guts out to
5788 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
5789 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
5792 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
5793 use string concatenation. Don't save and restore esi.
5795 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
5796 (machname.h): Remove script to separate file. Use two-step
5797 sequence so target is not created if script fails.
5798 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
5799 identifiers are defined.
5800 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
5801 an empty string, machine_name doesn't need to do anything at
5803 (is_cxx_header): Add more cases to regexp.
5804 * fixinc/fixlib.h: Update prototype.
5805 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
5807 * fixinc/fixincl.c: Define NO_BOGOSITY.
5809 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
5810 (hp_sysfile): Add missing comma.
5811 (math_exception): Put the wrapper ifdefs at the beginning and
5812 the end of the file.
5813 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
5815 2000-02-01 Richard Henderson <rth@cygnus.com>
5817 * sparc.c (fp_zero_operand): Turn into a normal predicate.
5818 Use CONST0_RTX. Update all callers.
5819 * sparc.h, sparc-protos.h: Update accordingly.
5820 * sparc.md (fp mov insns): Use fp_zero_operand directly
5823 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5825 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
5828 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5830 * Makefile.in (specs.ready): New target.
5831 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
5833 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5835 * fixinc.irix: Use unique filenames for writing into /tmp,
5836 * fixinc.ptx: Likewise.
5837 * fixinc.sco: Likewise.
5838 * fixinc.svr4: Likewise.
5839 * fixinc.winnt: Likewise.
5841 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5843 * tsystem.h: New file.
5845 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
5846 s-crtS): Depend on tsystem.h.
5848 * crtstuff.c: Include tsystem.h.
5849 * frame.c: Likewise.
5850 * libgcc2.c: Likewise.
5852 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
5854 * builtins.c (expand_builtin_memset): Expand for variable sized
5857 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
5859 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
5862 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
5864 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
5866 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
5868 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
5870 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
5871 case 3->2 combining (combining with splitting) in which 2 is CC0
5872 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
5873 checked at the begining of the function with the aid of calling
5874 function 'can_combine_p'.
5876 2000-01-31 Dave Brolley <brolley@redhat.com>
5878 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
5880 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
5882 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
5885 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5887 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
5889 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
5892 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
5894 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
5895 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
5896 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
5897 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
5898 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
5899 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
5900 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
5901 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
5902 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
5903 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
5905 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
5906 Add %(cpp_cpu) to CPP_SPEC.
5908 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
5909 Add %(cc1_cpu) to CC1_SPEC.
5911 2000-01-28 Ulrich Drepper <drepper@redhat.com>
5913 * c-decl.c (c_decode_option): Accept optional numeric argument to
5914 -Wformat and set warn_format.
5915 * c-common.c: Don't emit warning about non-constant printf format
5916 string unless warn_format > 1.
5918 2000-01-30 Richard Henderson <rth@cygnus.com>
5920 * alpha.md (return_internal): Allow after reload only.
5922 2000-01-30 Richard Henderson <rth@cygnus.com>
5924 * i386.c (ix86_compute_frame_size): Omit padding1 if the
5925 local frame size is zero.
5927 2000-01-30 Richard Henderson <rth@cygnus.com>
5929 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
5930 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
5931 * alpha.md (return): Turn into an expander.
5932 (return_internal): Don't use $26.
5933 (epilogue): Emit the return insn.
5935 2000-01-30 Richard Henderson <rth@cygnus.com>
5937 * alpha.md (negtf2, abstf2): Fix word order thinko.
5939 (trunctfsf2): Avoid intermediate rounding errors.
5941 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
5943 * cppfiles.c (find_position): Drop 'colp' argument, return the
5945 (read_and_prescan): Adjust to match. Don't ever manipulate
5946 line or line_base except via find_position.
5948 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
5950 * c-parse.in: Apply Ulrich's changes from c-parse.y.
5951 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
5954 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
5956 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
5957 just print "<command line>". If 'filename' is null or an
5958 empty string, print "<stdin>" for the filename.
5959 * cpplib.c (do_define): Don't print the 'location of the
5960 previous definition' message if we're still parsing the
5962 (cpp_pedwarn_with_file_and_line): Always call
5963 cpp_file_line_for_message.
5965 2000-01-29 Mark Mitchell <mark@codesourcery.com>
5967 * flow.c (mark_regs_live_at_end): Fix typo.
5969 2000-01-28 Ulrich Drepper <drepper@redhat.com>
5971 * c-common.c: Adjust variable names, comments, help strings to c99.
5972 * c-lex.c: Likewise.
5973 * c-parse.y: Likewise.
5974 * c-tree.h: Likewise.
5976 * cpplib.h: Likewise.
5977 * c-decl.c: Likewise. Recognize options with names "*99" as well.
5978 * cppinit.c: Likewise.
5980 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5982 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
5983 * c4x.c: Define the optab rtx values.
5984 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
5985 (c4x_emit_libcall): Use new optab rtx values.
5986 (c4x_emit_libcall3): Likewise.
5987 (c4x_emit_libcall_mulhi): Likewise.
5988 * c4x-protos.h: Add prototypes for optab rtx values and change
5989 prototypes for above c4x_emit_libcall functions.
5991 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5993 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
5995 (c4x_function_prologue): Use regnames intead of float_reg_names when
5997 (c4x_function_epilogue): Likewise.
5998 (c4x_print_operand): Likewise.
5999 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
6000 * c4x.md (set_high): Disable for TARGET_TI.
6002 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6004 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
6005 of framepointer + constant to ADDR_REGS class.
6006 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
6007 * c4x.c (std_or_reg_operand): New function.
6008 * c4x-protos.h (std_or_reg_operand): Prototype it.
6010 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6012 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
6013 object names as libgcc2.c.
6014 * libgcc.S: Use newly defined names.
6016 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
6017 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
6019 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
6020 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
6021 (FLOW_LOOP_LAST_BLOCK): Likewise.
6023 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6025 * basic-block.h (struct loop): New fields 'first' and 'last'.
6026 * flow.c (flow_loops_find): Compute loop->first and loop->last.
6027 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
6028 and loop->last to check for NOTE_INSN_LOOP_END.
6030 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
6032 * predict.c (estimate_probability): Use the new FIRST and LAST fields
6033 of the loop descriptor rather than HEADER and LATCH. Also added
6034 missing break statements as well making some coding style modifications
6035 as suggested by Michael Hayes.
6037 2000-01-28 Richard Henderson <rth@cygnus.com>
6039 * flow.c (find_basic_blocks): Remove do_cleanup argument.
6040 Break out that code ...
6041 (cleanup_cfg): ... here.
6042 (commit_one_edge_insertion): Detect a return instruction being
6043 emitted to an edge. Emit a barrier following; clear fallthru.
6044 (commit_edge_insertions): Verify CFG consistency.
6045 * function.c (expand_function_start): Kill unused variable.
6046 (expand_function_end): Likewise.
6047 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
6048 to insert the epilogue.
6050 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
6051 (delete_null_pointer_checks): Likewise.
6052 * output.h: Likewise.
6053 * reg-stack.c (reg_to_stack): Likewise.
6054 * toplev.c (rest_of_compilation): Likewise. Run
6055 thread_prologue_and_epilogue_insns after rebuilding the CFG.
6057 2000-01-28 Richard Henderson <rth@cygnus.com>
6059 * Makefile.in (flow.o): Revert 24 Jan change.
6060 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
6061 FUNCTION_VALUE result to DECL_RESULT's mode.
6063 * haifa-sched.c (schedule_insns): Don't recompute reg info
6066 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
6068 * configure.in: Make --enable-cpplib the default.
6069 * configure: Regenerate.
6070 * gcc.dg/990119-1.c: No longer expected to fail.
6072 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
6074 * jump.c (jump_optimize_1): Delete an optimization that is also done
6075 by merge_blocks in flow.
6077 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6079 * diagnostic.c (build_message_string, output_printf,
6080 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
6081 (build_location_prefix): Fix non-literal format string.
6083 2000-01-27 Richard Henderson <rth@cygnus.com>
6085 * alpha.md (trunctfsf2): New.
6087 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
6089 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
6091 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6093 * cppinit.c (cpp_handle_option): Recognize C++ comments under
6095 * cpplib.c (skip_block_comment, skip_line_comment): Split code
6097 (skip_comment) ... here. Permit C++ comments in system
6098 headers always. Warn about C++ comments in user code under
6099 -std=gnu89 -pedantic.
6100 (copy_comment): Use skip_comment.
6101 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
6103 (consider_directive_while_skipping, do_else, do_endif): Call
6104 validate_else unconditionally.
6105 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
6106 text after the conditional in a system header.
6107 * cpplib.h (struct cpp_buffer): Add flag
6108 warned_cplusplus_comments.
6110 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6112 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
6113 Use unshare_all_rtl_1.
6114 (unshare_all_rtl_again): New function.
6115 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
6117 * function.c (purge_addressof_1): Use unshare_all_rtl_again
6118 rather than resetting the 'used' flags ourself.
6120 * toplev.c (rest_of_compilation): Add current_function_decl
6121 to the unshare_all_rtl call.
6122 * tree.h: Prototype unshare_all_rtl.
6123 * rtl.h: Prototype unshare_all_rtl_again here.
6125 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6127 * genoutput.c (output_prologue): Include ggc.h in generated
6129 * Makefile.in (insn-output.o): Depends on ggc.h.
6131 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
6132 Hans-Peter Nilsson <hp@bitrange.com>
6134 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
6135 Remove redundant include of xm-ns32k.h.
6136 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
6137 Remove redundant include of xm-ns32k.h.
6138 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
6139 Remove redundant include of xm-ns32k.h.
6140 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
6142 * ns32k/ns32k.h: Update comment on multiply-add instructions.
6143 (TARGET_SWITCHES): Add documentation strings.
6144 (DWARF_FRAME_REGNUM): Override default definition.
6145 (REG_CLASS_CONTENTS): Add comments.
6146 (SUBSET_P): Format to reduce line length.
6147 (SMALL_REGISTER_CLASSES): Make a run time option.
6148 (GO_IF_NONINDEXED_ADDRESS): Reformat.
6149 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
6150 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
6151 (regclass_map): fix typo in comment.
6152 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
6153 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
6154 (trace, reg_or_mem_operand): Delete, unused function.
6155 (calc_address_cost): Small offsets are cheaper than large ones.
6156 (expand_block_move): Generate more efficient code when bytes is a
6157 known at compile time.
6158 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
6159 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
6160 instead of reg_or_mem_operand.
6162 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
6163 not general_operand. Similarly use "=rm" or stricter, not "=g".
6164 For input operands, use stricter constraints than "g" if not
6165 general_operand. Similarly use stricter predicate than
6166 "general_operand" when stricter constraints than "g" are present,
6167 except for matching constraints.
6168 (movstrsi): Use "memory_operand" for operands 0 and 1.
6169 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
6170 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
6171 not reg_or_mem_operand.
6172 (udivmoddisi4): Ditto.
6173 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
6174 Use nonimmediate_operand for operand 3, not register_operand.
6175 (udivmoddiqi4_internal): Use register_operand for operand 1, not
6178 2000-01-27 Fred Fish <fnf@be.com>
6180 * gthr-posix.h: Fix typo; compatibily -> compatibility.
6181 * gthr-single.h: Likewise.
6182 * gthr-solaris.h: Likewise.
6183 * gthr-vxworks.h: Likewise.
6184 * gthr-win32.h: Likewise.
6187 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6189 * cppinit.c: Add " (cpplib)" to end of string printed by
6192 2000-01-27 Richard Henderson <rth@cygnus.com>
6194 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
6195 testing for a signed comparison.
6196 (alpha_emit_floatuns): New.
6197 * alpha-protos.h: Declare it.
6198 * alpha.md (floatunsdisf2, floatunsdidf2): New.
6199 (extendsfdf2): Tidy.
6201 2000-01-27 Jakub Jelinek <jakub@redhat.com>
6203 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
6204 no -g option specifying debugging format, default to -gstabs+.
6206 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6208 * calls.c (special_function_p): New argument fork_or_exec.
6209 (expand_call): When profile_arc_flag is set and the function
6210 is in the fork_or_exec group, call __bb_fork_func first.
6211 * libgcc2.c, _bb module (__bb_fork_func): New function.
6212 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
6214 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
6215 * tree.h (special_function_p): Update prototype.
6217 2000-01-26 Richard Henderson <rth@cygnus.com>
6219 * alpha.c (alpha_split_tfmode_pair): New.
6220 * alpha-protos.h: Declare it.
6221 * alpha.md (abstf2, negtf2): New.
6222 (movtf insn): Add input G constraint.
6223 (movtf splitter): Use alpha_split_tfmode_pair.
6225 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6227 * i386/cygwin.h: PROTO -> PARAMS.
6229 2000-01-26 Jakub Jelinek <jakub@redhat.com>
6231 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
6232 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
6233 using _Qp_cmp/_Q_cmp and testing the return value.
6234 (print_operand): Call reverse_condition_maybe_unordered if
6235 we are handling CCFPmode or CCFPEmode.
6236 Handle ORDERED, UN* and LTGT comparisons.
6237 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
6238 if not TARGET_HARD_QUAD.
6239 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
6240 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
6241 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
6242 Adjust gen_b* calls so that they reflect return comparison of
6243 sparc_emit_float_lib_cmp.
6245 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6247 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
6248 incoming operands array is large enough for one more operand.
6249 (alpha_emit_xfloating_arith): Likewise.
6251 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6253 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
6254 file with one line and no trailing newline.
6255 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
6256 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
6257 checking if the match is on the line.
6258 * fixinc/gnu-regex.c: Provide regerror not __regerror.
6260 2000-01-25 Richard Henderson <rth@cygnus.com>
6262 * sparc.c (output_cbranch): Fix accidental squashing of the
6263 fp branch pre-delay nop.
6265 2000-01-25 Richard Henderson <rth@cygnus.com>
6267 * tree.def (UNNE_EXPR): Remove.
6268 * c-typeck.c (build_binary_op): Don't handle it.
6269 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
6271 * rtl.def (UNNE): Remove.
6273 * jump.c (reverse_condition): Update accordingly.
6274 (swap_condition): Likewise.
6275 (comparison_dominates_p): Handle unordered comparisons.
6276 (reverse_condition_maybe_unordered): New.
6277 * rtl.h (reverse_condition_maybe_unordered): Declare.
6279 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
6280 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
6281 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
6282 * sparc.md (bltgt): New.
6284 2000-01-25 Nick Clifton <nickc@redhat.com>
6286 * emit-rtl.c (emit_insn): Only check machine class insns for
6287 improper emission of a RETURN.
6289 2000-01-25 Richard Henderson <rth@cygnus.com>
6291 * Makefile.in (flow.o): Depend on $(EXPR_H).
6292 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
6293 duplicate the structure of diddle_return_value for keeping regs live.
6295 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6297 * loop.c (current_loop_info): Delete.
6298 (consec_sets_invariant_p): Add loop argument, update callers.
6299 (get_condition_for_loop): Likewise.
6300 (count_nonfixed_reads, update_giv_derive): Likewise.
6301 (simplify_giv_expr, general_induction_var): Likewise.
6302 (consec_sets_giv, recombine_givs): Likewise.
6303 (move_movables): Delete loop_start and loop_end arguments,
6304 add loop argument, and update callers.
6305 (find_mem_givs, check_final_value): Likewise.
6306 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
6307 (loop_invariant_p): Rename from invariant_p, add loop argument, and
6309 (basic_induction_var): Add loop argument, delete loop_level argument,
6311 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
6312 add loop argument, and update callers.
6313 (find_splittable_regs, find_splittable_givs): Likewise.
6314 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
6315 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
6316 (biv_total_increment): Delete loop_start and loop_end arguments;
6318 (precondition_loop_p): Delete loop_start and loop_info arguments;
6320 * loop.h (get_condition_for_loop): Add loop argument.
6321 (biv_total_increment): Delete loop_start and loop_end arguments.
6322 (precondition_loop_p): Delete loop_start and loop_info arguments;
6324 (final_biv_value): Delete loop_start and loop_end arguments;
6326 (final_giv_value, back_branch_in_range_p): Likewise.
6328 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6330 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
6332 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6334 * Makefile.in (c-gperf.h) : Change the "See" pointer to
6335 point to the new "generated_files" doc.
6337 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6339 * config/fp-bit.c (_unord_f2): Fix typo.
6341 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6343 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
6344 c-typeck.c, objc/objc-act.c: Remove all references to obstack
6345 functions obsoleted by GC, such as push_obstacks_nochange,
6346 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
6347 and code which existed only to decide whether or not to call
6348 them. Remove now-unused NESTED argument from start_function;
6349 all callers changed. Do not change behavior based on ggc_p.
6350 The use of the ixp_obstack in c-iterate.c and the util_obstack
6351 in objc/objc-act.c remain; these are not obsoleted by garbage
6353 * c-tree.h: Update prototype for start_function.
6355 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
6357 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6359 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
6362 2000-01-25 Richard Henderson <rth@cygnus.com>
6364 * sparc-protos.h (select_cc_mode): Declare.
6365 * sparc.c (select_cc_mode): New. Handle unordered compares.
6366 (output_cbranch): Always reverse via code change. Handle
6367 unordered compares. Factor tests and string updates.
6368 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
6369 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
6370 * sparc.md (bunordered, bordered): New.
6371 (bungt, bunlt, buneq, bunge, bunle): New.
6373 2000-01-25 Richard Henderson <rth@cygnus.com>
6375 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
6376 * ggc-common.c (ggc_add_rtx_varray_root): New.
6377 (ggc_mark_rtx_varray): New.
6378 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
6379 functions down below ggc_mark_foo.
6380 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
6382 2000-01-25 Richard Henderson <rth@cygnus.com>
6384 * alpha.c (secondary_reload_class): Don't allocate a secondary
6385 for integral mode memories into FLOAT_REGS. Rearrange the more
6386 complicated memory expression inward.
6388 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6390 * inclhack.def: Fixes to play nicer with FreeBSD, and
6391 corrections to comments.
6392 (cxx_unready): Add select expression.
6393 (irix_sockaddr): Add bypass expression.
6394 (machine_ansi_h_va_list): New fix.
6395 (stdio_va_list): No need to edit _BSD_VA_LIST_.
6396 Split out addition of "#include <stdarg.h>" to...
6397 (stdio_stdarg_h): ... here.
6398 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
6399 to stdlib.h also. Do not munge _BSD_SIZE_T_.
6400 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
6402 (ultrix_ifdef): Tighten up select expression.
6404 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
6405 re_ct and max_mach to avoid use of shell. Make printed names
6406 match names in inclhack.def. Use static copyright date.
6407 Don't count c_test and test expressions as requiring regex_t
6408 slots. Add some commentary.
6409 * inclhack.tpl: Do not include the 'This script contains N
6410 fixup scripts' line if PROGRAM is defined. Use static
6413 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
6415 * dwarf2out.c: include "varray.h", not dyn-string.h.
6416 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
6417 (addr_const_to_string, addr_to_string): Lose.
6418 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
6419 (struct dw_val_struct): val_addr is now an rtx.
6420 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
6421 (used_rtx_varray): New varray.
6422 (dwarf2out_init): Initialize it.
6424 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
6426 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
6427 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
6428 * Makefile.in (dwarf2out.o): Update dependencies.
6430 2000-01-24 Richard Henderson <rth@cygnus.com>
6432 * i386.c (i386_dwarf_output_addr_const): New.
6433 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
6435 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
6437 * dwarfout.c (output_mem_loc_descriptor): Likewise.
6438 * i386.c (i386_simplify_dwarf_addr): New.
6439 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
6441 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
6443 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
6444 TYPE_STUB_DECL is NULL.
6446 2000-01-24 Richard Henderson <rth@cygnus.com>
6448 * builtins.c (expand_tree_builtin): Move ...
6449 * c-common.c (expand_tree_builtin): ... here.
6451 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6453 * loop.h (LOOP_INFO): New accessor macro.
6454 * basic-block.h (struct loop): Rename field `info' to `aux'.
6455 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
6456 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
6457 * unroll.c (loop_iterations, unroll_loop): Likewise.
6459 2000-01-24 Christopher Faylor <cgf@cygnus.com>
6461 * config/i386/t-cygwin: Accomodate new winsup directory layout
6462 when searching for include files.
6464 2000-01-24 Richard Henderson <rth@cygnus.com>
6466 * rtl.def: Add unordered fp comparisions.
6467 * tree.def: Likewise.
6468 * tree.h: Add ISO C 9x unordered fp comparision builtins.
6470 * builtins.c (expand_tree_builtin): New function.
6471 * c-typeck.c (build_function_call): Use it.
6472 (build_binary_op): Support unordered compares.
6473 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
6475 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
6476 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
6477 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
6478 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
6479 * jump.c (reverse_condition): Don't abort for UNLE etc, but
6481 (swap_condition): Handle unordered compares.
6482 (thread_jumps): Check can_reverse before reversing.
6483 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
6486 * optabs.c (can_compare_p): New argument CODE. Verify branch or
6487 setcc is present before acking for cmp_optab. Update all callers.
6488 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
6489 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
6490 * expr.c (expand_expr): Likewise. Support unordered compares.
6491 (do_jump, do_store_flag): Likewise.
6492 * expr.h (enum libfunc_index): Add unordered compares.
6494 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
6495 (DPBIT_FUNCS): Add _unord_df.
6496 * config/fp-bit.c (_unord_f2): New.
6497 * fp-test.c (main): Try unordered compare builtins.
6499 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
6500 * alpha.c (alpha_comparison_operator): Check mode properly.
6501 (alpha_swapped_comparison_operator): Likewise.
6502 (signed_comparison_operator): Likewise.
6503 (alpha_fp_comparison_operator): New.
6504 (alpha_emit_conditional_branch): Handle unordered compares.
6505 * alpha.h (PREDICATE_CODES): Update.
6506 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
6507 (bunordered, bordered): New.
6509 2000-01-24 Richard Henderson <rth@cygnus.com>
6511 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
6512 * alpha.md (movtf): New expander, insn, and splitter.
6514 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
6516 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6519 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
6521 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
6522 (FIXED_REGISTERS, CALL_USED_REGISTERS,
6523 REG_ALLOC_ORDER): Add frame pointer
6524 (FRAME_POINTER_REGNUM): Set to 20
6525 (HARD_FRAME_POINTER_REGNUM): New macro.
6526 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
6527 to HARD_FRAME_POINTER.
6528 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
6529 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
6530 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
6531 (HI_REGISTER_NAMES): Add "frame".
6532 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
6533 (debug_reg): Handle FRAME_POINTER_REGNUM.
6534 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
6535 GENERAL_REGS and INDEX_REGS.
6536 * i386.c (SAVED_REGS_FIRST): new macro.
6537 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
6538 (ix86_decompose_address, memory_address_length): Likewise.
6539 (regclass_map): Add frame pointer.
6540 (call_insn_operand): Handle frame_pointer_rtx.
6541 (reg_no_sp_operand): Likewise.
6542 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
6543 (print_operand, legitimize_pic_address): Fix formating.
6544 (ix86_compute_frame_size): Make static, update prototype, new
6545 parameters padding1, padding2, use ix86_nsaved_regs, use
6546 stack_alignment_needed.
6547 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
6548 to HARD_FRAME_POINTER_REGNUM conversions.
6549 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
6550 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
6551 (print_reg): Abort on FRAME_POINTER_REGNUM
6553 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
6555 * i386.h (PREDICATE_CODES): Add aligned_operand.
6556 * i386.c (aligned_operand): New function.
6557 (ix86_aligned_p): Kill.
6558 * i386.md (movhi_1): Emit mov for aligned operands.
6559 (promoting peep2s): Use aligned_operand.
6561 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
6563 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
6564 expression to allow underscores in macro names.
6565 (fix_char_macro_defines): Increment scanning pointer.
6567 2000-01-23 Richard Henderson <rth@cygnus.com>
6569 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
6570 * alpha/osf5.h: New file.
6571 * configure.in (alpha-*-osf5): Add it to tm_file.
6573 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
6575 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
6576 (alpha_emit_xfloating_cvt, function_arg): Declare.
6577 * alpha.c (alpha_emit_conditional_branch): Call
6578 alpha_emit_xfloating_compare for TFmode compares.
6579 (alpha_lookup_xfloating_lib_func): New.
6580 (alpha_compute_xfloating_mode_arg): New.
6581 (alpha_emit_xfloating_libcall): New.
6582 (alpha_emit_xfloating_arith): New.
6583 (alpha_emit_xfloating_compare): New.
6584 (alpha_emit_xfloating_cvt): New.
6585 (print_operand): Add default abort case.
6586 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
6587 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
6588 (BIGGEST_ALIGNMENT): Increase to 128 bits.
6589 (RETURN_IN_MEMORY): True for TF/TCmode.
6590 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
6591 (FUNCTION_ARG): Move to function_arg.
6592 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
6593 (ASM_OUTPUT_LONG_DOUBLE): New.
6594 (ASM_OUTPUT_DOUBLE): Always output bits.
6595 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
6596 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
6597 (extenddftf2, trunctfdf2): New.
6599 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6601 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
6602 * config/sparc/sol2.h: ... here.
6604 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6606 * basic-block.h (struct loops): New field `levels'.
6607 * flow.c (flow_loops_level_compute): Traverse all outer loops.
6608 (flow_loop_level_compute): Initialise level to 1.
6609 (flow_loops_find): Set loops->levels.
6610 (flow_loops_dump): Print loops->levels.
6612 2000-01-23 Richard Henderson <rth@cygnus.com>
6614 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
6615 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
6617 2000-01-23 Richard Henderson <rth@cygnus.com>
6619 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
6620 * i386.h (DBX_REGISTER_NUMBER): Use them.
6621 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
6622 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
6623 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
6624 * i386/sequent.h: Kill incorrect comment.
6626 2000-01-23 Mark Mitchell <mark@codesourcery.com>
6628 * ggc-page.c (struct page_entry): Make `context_depth' an
6630 (struct globals): Likewise.
6632 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
6634 * loop.c (check_dbra_loop): When checking a loop for
6635 reversability, check the source of any stores to ensure
6636 they don't depend on an initial value.
6638 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6640 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
6642 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
6644 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
6645 'pz_scan' into scope of entire function. Only affects
6646 compiles with -DDEBUG.
6648 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
6650 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
6651 section naming to that prior to 2000-01-07 patch.
6652 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
6653 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
6654 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
6655 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
6656 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
6658 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
6660 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
6663 2000-01-21 Jim Wilson <wilson@cygnus.com>
6665 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
6666 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
6668 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
6670 * cpphash.c (change_newlines): Delete function.
6671 (struct argdata): Delete 'newlines' and 'use_count' fields.
6672 (macroexpand): Remove code referencing those fields.
6674 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6676 * loop.c (loops_info): New variable.
6677 (loop_optimize): Allocate loops->array and free it on exit.
6678 Allocate memory for loops_info and assign to each loop,
6680 (find_and_verify_loops): Do not allocate loops->array.
6682 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
6684 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
6686 2000-01-21 Jakub Jelinek <jakub@redhat.com>
6688 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
6689 pseudos if expanded after first flow.
6690 (movdi_pic_label_ref): Likewise.
6692 2000-01-20 Richard Henderson <rth@cygnus.com>
6694 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
6696 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
6698 * Makefile.in (fixinc.sh): Depend on specs.
6699 * fixinc/Makefile.in: Add rule to create machname.h.
6700 (fixlib.o): Depend on machname.h.
6701 * fixinc/fixtests.c (machine_name): New test.
6702 * fixinc/fixfixes.c (machine_name): New fix.
6703 * fixinc/fixlib.c (mn_get_regexps): New helper function for
6704 the machine_name test and fix.
6705 * fixinc/fixlib.h: Prototype it.
6706 * fixinc/inclhack.def (machine_name): Use the C test and fix.
6707 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
6709 * gcc.c (do_spec_1) [case P]: Take care not to create
6710 identifiers with three leading or trailing underscores.
6712 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
6713 (fixincl): Don't specify libraries twice on link line.
6714 (gnu-regex.o): Remove special rule.
6715 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
6716 defined by config.h. Do not define _REGEX_RE_COMP.
6717 (regcomp): Allocate and initialize a fastmap.
6718 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
6720 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
6722 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
6724 2000-01-19 Richard Henderson <rth@cygnus.com>
6726 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
6727 arguments with BB. Update all callers. Tidy line wrapping.
6729 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
6731 * emit-rtl.c (try_split): Return last_insn if we split the
6734 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
6736 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
6737 (ix86_initial_elimination_offset): Declare.
6738 * i386.c (ix86_nsaved_regs): Break out from ...
6739 (ix86_can_use_return_insn_p): ... here.
6740 (ix86_emit_save_regs): Break out from ...
6741 (ix86_expand_prologue): ... here.
6742 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
6744 (ix86_expand_epilogue): ... here.
6745 (ix86_compute_frame_size): Make static, add prototype.
6746 (ix86_initial_elimination_offset): Break out from ...
6747 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
6749 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6751 * recog.h (OUT_FCN): Delete.
6753 * vax.md: Call `get_insn_template' instead of OUT_FCN.
6755 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6757 * cppalloc.c: PROTO -> PARAMS.
6758 * cpperror.c: Likewise.
6759 * cppfiles.c: Likewise.
6760 * cpplib.c: Likewise.
6761 * cpplib.h: Likewise.
6763 * config/arm/arm-protos.h: PROTO -> PARAMS.
6764 * config/arm/arm.c: Likewise.
6765 * config/c4x/c4x.c: Likewise.
6766 * config/fr30/fr30-protos.h: Likewise.
6767 * config/nextstep.c: Likewise.
6768 * config/pa/pa.c: Likewise.
6769 * config/pj/pj.c: Likewise.
6770 * config/rs6000/rs6000.c: Likewise.
6771 * config/v850/v850-protos.h: Likewise.
6772 * config/v850/v850.c: Likewise.
6774 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6776 * i370-protos.h: New file.
6778 * i370.c: Include tm_p.h. Fix compile time warnings.
6780 * i370.h: Move prototypes to i370-protos.h. Fix compile time
6783 * i370.md: Likewise.
6785 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6787 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
6788 (target_isinf, target_isnan, eisnan): Mark parameter with
6790 (eiisinf): Wrap in INFINITY.
6791 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
6792 (ibmtoe): Remove unused variable `rndsav'.
6794 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6796 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
6797 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
6799 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
6801 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
6802 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
6803 (fix_char_macro_defines, fix_char_macro_uses): New functions.
6805 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
6806 Recognize Emacs mode markers also.
6807 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
6808 C++ comments in C++ headers. Call is_cxx_header only if
6811 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
6813 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
6814 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
6815 ... these, which use the new C fixes.
6816 (math_exception): Escape literal '+' in bypass expression.
6818 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
6821 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6823 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
6826 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6828 * loop.c (loop_optimize): Allocate loop_info structure for each loop
6829 prior to calling scan_loop.
6831 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6833 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
6834 (split_branches, calc_live_regs): Likewise.
6836 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6838 * sh.md (fpu_single, fp_mode): New attributes.
6840 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6842 * loop.c (current_loop_info): Renamed from loop_info_data
6843 and changed to a pointer.
6844 (loop_optimize): Allocate loop_info structure for each loop
6845 and initialise to zero.
6846 (scan_loop): Set current_loop_info.
6848 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
6851 2000-01-19 Richard Henderson <rth@cygnus.com>
6853 * stupid.c: Die die die.
6854 * Makefile.in (OBJS): Remove stupid.o.
6855 (stupid.o): Likewise.
6857 * except.c (emit_eh_context): Don't emit USEs for stupid.
6858 * explow.c (probe_stack_range): Likewise.
6859 * flags.h (obey_regdecls): Remove.
6860 * flow.c (find_basic_blocks): Don't run try_merge_blocks
6861 when not optimizing.
6862 (life_analysis): Limit data collection when not optimizing.
6863 (mark_regs_live_at_end): Always mark the return value registers.
6864 (mark_used_regs): Remove dummy RETURN case.
6865 (print_rtl_with_bb): Don't consult obey_regdecls.
6866 * function.c (use_variable, use_variable_after): Remove.
6867 (assign_parms): Consult optimize not obey_regdecls.
6868 (expand_function_start): Don't emit USEs for stupid.
6869 (expand_function_end): Likewise.
6870 * global.c (build_insn_chain): Export.
6871 * integrate.c (expand_inline_function): Kill return-value USE
6873 * jump.c (jump_optimize_1): Do simple jump optimizations and
6874 dead code elimination.
6875 (calculate_can_reach_end): Remove check_deleted argument.
6876 (delete_insn): Patch out insns even when not optimizing.
6877 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
6878 * rtl.h (use_variable, use_variable_after): Remove declarations.
6879 (build_insn_chain): Declare.
6880 * stmt.c (expand_value_return): Don't emit USEs for stupid.
6881 (expand_end_bindings): Likewise.
6882 (expand_decl): Likewise. Consult optimize not obey_regdecls.
6883 * toplev.c (obey_regdecls): Remove.
6884 (rest_of_compilation): Don't set it. Kill stupid in favour of
6885 flow1, local-alloc, and reload.
6886 (main): Don't set obey_regdecls.
6888 * config/nextstep.c (handle_pragma): Likewise.
6890 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
6892 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
6894 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6896 * alpha-protos.h: PROTO -> PARAMS.
6897 * alpha.c: Likewise.
6899 * h8300.c: Likewise.
6900 * i386-protos.h: Likewise.
6902 * m32r-protos.h: Likewise.
6905 * mips.md: Likewise.
6906 * gmon-sol2.c: Likewise.
6907 * sparc.c: Likewise.
6909 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6911 * ns32k-protos.h: New file.
6913 * ns32k.c: Fix compile time warnings.
6915 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
6918 * ns32k.md: Likewise.
6920 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6922 * vax-protos.h: New file.
6924 * vax.c: Fix compile time warnings.
6926 * vax.h: Move prototypes to vax-protos.h. Fix compile time
6931 * vaxv.md: Likewise.
6933 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6935 * romp-protos.h: New file.
6937 * romp.c: Fix compile time warnings.
6939 * romp.h: Move prototypes to romp-protos.h. Fix compile time
6942 * romp.md: Likewise.
6944 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6946 * we32k-protos.h: New file.
6948 * we32k.c: Fix compile time warnings.
6950 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
6953 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6955 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
6957 * except.c (eh_regs): Likewise.
6959 * final.c (output_operand): Likewise.
6961 * fold-const.c (target_isinf, target_isnan): Likewise.
6963 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6965 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
6966 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
6968 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
6970 (clrstrsi): Rewrite.
6971 (strsethi, strsetqi): New expanders.
6972 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
6973 (cmpstrsi): Emit compare insn before cmpstrsi_1
6974 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
6975 (strlensi_1): Likewise.
6976 (cmpstrsi_1): Likewise; do not output compare.
6977 (strlen expander): Do not unroll when optimizing for size.
6978 (*subsi3_carry): Rename to subsi3_carry
6979 (addqi3_cc): New pattern.
6980 * i386.h (processor_costs): Add move_ratio field.
6981 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
6982 * i386.c (*_cost): Set move_ratio.
6983 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
6984 (x86_expand_strlensi_1): Rewrite the main loop.
6986 2000-01-17 Richard Henderson <rth@cygnus.com>
6988 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
6989 * cse.c (find_comparison_args, fold_rtx): Likewise.
6990 * integrate.c (subst_constants): Likewise.
6991 * loop.c (get_condition): Likewise.
6993 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
6995 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
6997 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6999 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
7000 (RESTORE_WARN_FLAGS): Unpack it.
7001 Change semantic type of extension to ttype.
7002 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
7003 * c-parse.y, c-parse.c, objc/objc-parse.y,
7004 objc/objc-parse.c: Regenerate.
7006 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
7008 * fixinc/fixlib.c: Add copyright notice.
7009 (compile_re): New function.
7010 * fixinc/fixlib.h: Prototype compile_re.
7012 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
7013 Use compile_re to compile regular expressions.
7015 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
7016 where the pattern matched.
7018 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
7020 (ultrix_ansi_compat): Likewise.
7021 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
7023 (interactv_add2, interactv_add3): Delete.
7024 (x11_sprintf): Don't use filename glob.
7025 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
7028 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7030 * print-rtl.c: PROTO -> PARAMS.
7032 * reg-stack.c: Likewise.
7033 * resource.c: Likewise.
7034 * sdbout.h: Likewise.
7035 * simplify-rtx.c: Likewise.
7036 * stor-layout.c: Likewise.
7037 * stupid.c: Likewise.
7038 * xcoffout.c: Likewise.
7039 * xcoffout.h: Likewise.
7041 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7043 * toplev.c: PROTO -> PARAMS.
7044 * toplev.h: Likewise.
7047 * unroll.c: Likewise.
7048 * varasm.c: Likewise.
7049 * varray.c: Likewise.
7050 * varray.h: Likewise.
7052 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7054 * reload.c: PROTO -> PARAMS.
7055 * reload.h: Likewise.
7056 * reload1.c: Likewise.
7057 * reorg.c: Likewise.
7058 * resource.h: Likewise.
7061 * rtlanal.c: Likewise.
7062 * sbitmap.h: Likewise.
7063 * sdbout.c: Likewise.
7064 * stack.h: Likewise.
7066 * system.h: Likewise.
7068 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7070 * machmode.h: PROTO -> PARAMS.
7071 * mbchar.h: Likewise.
7072 * mips-tdump.c: Likewise.
7073 * mips-tfile.c: Likewise.
7074 * optabs.c: Likewise.
7075 * output.h: Likewise.
7076 * prefix.c: Likewise.
7077 * profile.c: Likewise.
7078 * protoize.c: Likewise.
7080 * recog.c: Likewise.
7081 * recog.h: Likewise.
7082 * regclass.c: Likewise.
7083 * regmove.c: Likewise.
7086 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7088 * ggc-common.c: PROTO -> PARAMS.
7089 * ggc-page.c: Likewise.
7090 * ggc-simple.c: Likewise.
7092 * global.c: Likewise.
7093 * graph.c: Likewise.
7094 * gthr-win32.h: Likewise.
7095 * haifa-sched.c: Likewise.
7096 * halfpic.h: Likewise.
7097 * integrate.c: Likewise.
7098 * integrate.h: Likewise.
7101 * local-alloc.c: Likewise.
7105 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7107 * genattr.c: PROTO -> PARAMS.
7108 * genattrtab.c: Likewise.
7109 * gencheck.c: Likewise.
7110 * gencodes.c: Likewise.
7111 * genconfig.c: Likewise.
7112 * genemit.c: Likewise.
7113 * genextract.c: Likewise.
7114 * genflags.c: Likewise.
7115 * gengenrtl.c: Likewise.
7116 * genopinit.c: Likewise.
7117 * genoutput.c: Likewise.
7118 * genpeep.c: Likewise.
7119 * genrecog.c: Likewise.
7121 2000-01-16 Mark Mitchell <mark@codesourcery.com>
7123 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
7125 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7127 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
7128 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
7129 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
7130 * configure, config.in: Rebuilt.
7132 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
7134 * config/i386/i386.md: Add peephole to merge successive stack
7137 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
7139 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
7140 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
7141 when walking backwards to find all the parameter loads when
7142 the basic block ends in a call.
7144 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7146 * loop.c (this_loop_info): Delete.
7147 (uid_loop): Add in place of uid_loop_num. All uses updated.
7148 (loop_number_exit_count): Delete and replace with entry in loop
7149 structure. All uses updated.
7150 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7151 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7152 (loop_outer_loop): Likewise.
7153 (loop_invalid, loop_number_exit_labels): Likewise.
7154 (loop_used_count_register): Delete and replace with entry in
7155 loop_info structure.
7156 (find_and_verify_loops): Add loops argument.
7157 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
7158 loop_end, etc. arguments with loop structure pointer. All callers
7160 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
7161 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
7162 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
7163 (insert_bct): Likewise.
7164 (basic_induction_var): New argument level.
7165 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
7166 vtop, and cont. Add used_count_register.
7167 (uid_loop): Delete declaration.
7168 (loop_number_exit_count): Likewise.
7169 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7170 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7171 (loop_outer_loop, loop_used_count_register): Likewise.
7172 (loop_invalid, loop_number_exit_labels): Likewise.
7173 (unroll_loop): Replace loop_start and loop_end arguments
7174 with loop structure pointer.
7175 (loop_precondition_p, loop_iterations): Likewise.
7176 Include basic-block.h.
7177 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
7178 with loop structure pointer.
7179 (loop_precondition_p, loop_iterations): Likewise.
7180 * basic-block.h (struct loop): New entries vtop, cont,
7181 cont_dominator, start, end, top, scan_start, exit_labels,
7183 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
7185 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7187 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
7189 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
7191 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
7193 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7195 * pdp11-protos.h: New file.
7197 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
7200 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
7203 * pdp11.md: Likewise.
7207 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7209 * mn10300-protos.h: New file.
7211 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
7214 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
7217 * mn10300.md: Likewise.
7219 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7221 * mn10200-protos.h: New file.
7223 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
7226 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
7229 * mn10200.md: Likewise.
7231 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7233 * h8300-protos.h: New file.
7235 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
7238 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
7241 * h8300.md: Likewise.
7243 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7245 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
7246 (asm_emit_uninitialised): Likewise.
7248 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
7250 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
7251 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
7253 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7255 * config/mips/mips.c (override_options): Don't turn on extra
7256 alignment for mips16.
7258 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7260 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
7261 eabi, and make sure queued POSTINCREMENT rtl is emitted at
7264 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7266 * builtins.c (PAD_VARARGS_DOWN): Define.
7267 (std_expand_builtin_va_arg): Use the above macro.
7268 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
7269 * tm.texi (Register Arguments): Document the above macro.
7271 2000-01-14 Nick Clifton <nickc@cygnus.com>
7273 * emit-rtl.c (emit_insn): If checking is enabled, make sure
7274 that this function has not been used to emit a jump
7277 * jump.c (return_jump_1): Cope with being passed a null rtx.
7279 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7281 * eh-common.h: PROTO -> PARAMS.
7282 * emit-rtl.c: Likewise.
7283 * errors.c: Likewise.
7284 * errors.h: Likewise.
7285 * except.c: Likewise.
7286 * except.h: Likewise.
7287 * explow.c: Likewise.
7288 * expmed.c: Likewise.
7291 * final.c: Likewise.
7292 * fix-header.c: Likewise.
7294 * fold-const.c: Likewise.
7295 * function.c: Likewise.
7296 * function.h: Likewise.
7298 * gcov-io.h: Likewise.
7302 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * sh-protos.h: New file.
7306 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
7307 Add static prototypes. Fix compile time warnings.
7309 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
7313 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7315 * arc-protos.h: New file.
7317 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
7320 * arc.h: Move prototypes to arc-protos.h. Fix compile time
7325 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7327 * dsp16xx-protos.h: New file.
7329 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
7332 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
7335 * dsp16xx.md: Likewise.
7337 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7339 * convex-protos.h: New file.
7341 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
7344 * convex.h: Move prototypes to convex-protos.h. Fix compile time
7347 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7349 * elxsi-protos.h: New file.
7351 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
7354 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
7357 * elxsi.md: Likewise.
7359 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7361 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
7362 case for moving from HI/LO/HI_LO_REG. This makes the behavior
7363 match the comment for MIPS16.
7365 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
7367 * flow.c (split_edge): Do not call set_block_for_insn if we
7368 do not have a basic_block_for_insn structure.
7370 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
7371 and destination functions are 32bit aligned within the trampoline.
7372 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
7373 (TRAMPOLINE_ALIGNMENT): Define.
7375 * cse.c (cse_insn): When changing (set (pc) (reg)) to
7376 (set (pc) (label_ref)), verify the change creates a valid insn.
7378 * fr30.c (call_operand): Tighten and rework to match rules for
7379 call RTL expressions.
7380 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
7381 * fr30.md (call patterns): Improve constraints.
7383 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
7385 * fr30.c (fr30_expand_epilogue): Revert last change.
7386 Use emit_jump_insn for the return insn.
7388 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
7389 Stan Cox <scox@cygnus.com>
7391 * predict.c: New file. Preliminary infrastructure work for static
7392 branch prediction and basic block reordering.
7393 * basic-block.h: Add prototype for estimate_probability.
7394 * Makefile.in: Add rules for predict.o.
7396 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
7398 * fixincludes (va_list): Use __not_va_list__ for the dummy.
7399 * fixinc/*: Likewise.
7401 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7403 * cccp.c: PROTO -> PARAMS.
7405 * collect2.c: Likewise.
7406 * combine.c: Likewise.
7407 * convert.h: Likewise.
7409 * dbxout.c: Likewise.
7410 * dbxout.h: Likewise.
7411 * diagnostic.c: Likewise.
7412 * doprint.c: Likewise.
7413 * dwarf2out.c: Likewise.
7414 * dwarf2out.h: Likewise.
7415 * dwarfout.c: Likewise.
7416 * dwarfout.h: Likewise.
7417 * dyn-string.h: Likewise.
7419 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7421 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
7422 macro conditionals guarding use.
7424 * dwarf2out.c: Include "tm_p.h".
7426 * function.c (locate_and_pad_parm): Mark parameter with
7428 (expand_function_end): Likewise for variable `context'.
7430 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
7432 2000-01-13 Nick Clifton <nickc@cygnus.com>
7434 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
7435 register to prevent compile time warnings.
7437 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
7439 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
7440 to avoid -Wtraditional warning.
7442 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7444 * 1750a-protos.h: New file.
7446 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
7449 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
7452 * 1750a.md: Likewise.
7454 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7456 * a29k-protos.h: New file.
7458 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
7461 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
7464 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7466 * clipper-protos.h: New file.
7468 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
7471 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
7474 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7476 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
7478 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
7480 * configure.in (--enable-new-gxx-abi): New option.
7481 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
7482 * Makefile.in (GXX_ABI_FLAG): New variable.
7483 * configure: Regenerate.
7485 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7487 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
7488 * tm.texi (FORCE_STRUCT_BLK): Document.
7489 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
7491 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
7493 * config/ns32k/ns32k.md: Revert Jan 9 change.
7495 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
7496 to a mode-test, if the predicate is address_operand.
7498 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
7500 * combine.c (if_then_else_cond): Be careful about what kinds
7501 of RTL expressions are passed to operand_subword.
7503 * flow.c (split_edge): If we have to insert a new jump, make
7504 sure to associate it with a basic block.
7506 * flow.c (commit_one_edge_insertion): A block with one successor
7507 can end in a JUMP_INSN that is not a simplejump.
7509 2000-01-12 Robert Lipe <robertl@sco.com>
7511 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
7512 (BUILD_VA_LIST_TYPE): Define.
7513 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
7516 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
7518 * cccp.c (do_pragma): Add cast to (char *).
7520 2000-01-12 Richard Henderson <rth@cygnus.com>
7521 Fred Fish <fnf@be.com>
7522 Jason Merrill <jason@cygnus.com>
7524 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
7525 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
7526 * i386/beos-elf.h, i386/beos-pe.h: New files.
7528 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
7529 * cross-make (SYSTEM_HEADER_DIR): Define using
7530 CROSS_SYSTEM_HEADER_DIR.
7532 * gcc.c (LIBRARY_PATH_ENV): Provide default.
7533 (process_command): Use it.
7534 (main): Likewise. Kill trailing = from env vars.
7535 (build_search_list): Put it back.
7536 * collect2.c (main): Use LIBRARY_PATH_ENV.
7538 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
7539 * toplev.c: Use NEED_DECLARATION_ENVIRON.
7541 * tm.texi (Frame Layout): Document SMALL_STACK.
7542 * c-common.c (c_common_nodes_and_builtins): Check it.
7544 * system.h: Undef alloca after including glibc's <stdlib.h>,
7545 if USE_C_ALLOCA is defined.
7547 * gcc.c (set_input): New fn.
7548 (main): After all input files are compiled, reset the input file
7551 * aclocal.m4 (rindex, index): If already defined, don't attempt
7554 * ginclude/varargs.h: (__va_list__): Define ifndef.
7555 * ginclude/stdarg.h: Likewise.
7557 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
7558 instead of unsigned char.
7560 * hash.h (true, false, boolean): Undef before enum.
7562 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
7563 proper type of "HOST_WIDE_INT *", rather than their natural type of
7564 "unsigned HOST_WIDE_INT *".
7566 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7568 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
7570 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
7572 * regclass.c (choose_hard_reg_mode): Likewise.
7574 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
7576 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
7578 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7580 * c-common.c: PROTO -> PARAMS.
7581 * c-common.h: Likewise.
7582 * c-decl.c: Likewise.
7583 * c-iterate.c: Likewise.
7584 * c-lang.c: Likewise.
7585 * c-lex.c: Likewise.
7586 * c-lex.h: Likewise.
7587 * c-parse.in: Likewise.
7588 * c-pragma.c: Likewise.
7589 * c-pragma.h: Likewise.
7590 * c-tree.h: Likewise.
7591 * c-typeck.c: Likewise.
7592 * objc/objc-act.c: Likewise.
7593 * objc/objc-act.h: Likewise.
7595 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7597 * m88k-protos.h: New file.
7599 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
7602 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
7604 * m88k.md: Likewise.
7606 * tekXD88.h: Likewise.
7608 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7610 * m68k-protos.h: New file.
7612 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
7615 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
7617 * mot3300.h: Likewise.
7619 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
7621 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
7623 (extract_bitlist): Declare bitlen.
7625 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
7627 * cccp.c: Accept and ignore -lang-fortran.
7629 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
7630 qualifiers don't match at any level of pointerness.
7632 2000-01-12 Robert Lipe <robertl@sco.com>
7634 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
7636 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
7638 * reload1.c (reload_reg_unavailable): New static variable.
7639 (reload_reg_free_p): Test it.
7640 (reload_reg_free_for_value_p): Test it instead of
7642 (choose_reload_regs_init): Compute it.
7644 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
7646 * reorg.c (fill_slots_from_thread): Check modified_in_p
7649 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
7651 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
7652 these nodes even if INTERNALS is not set.
7654 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
7656 * gcse.c (delete_null_pointer_checks_1): Cope when
7657 get_condition cannot determine the condition.
7659 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
7661 * toplev.h (set_message_length): Declare.
7663 * diagnostic.c (obstack_chunk_alloc): Define macro.
7664 (obstack_chunk_free): Likewise.
7665 (struct output_buffer): New data structure.
7667 (output_maximum_width): New variable.
7668 (doing_line_wrapping, set_message_length, init_output_buffer,
7669 get_output_prefix, output_space_left, emit_output_prefix,
7670 output_newline, output_append, output_puts, dump_output,
7671 vbuild_message_string, build_message_string, build_location_prefix,
7672 voutput_notice, output_printf, line_wrapper_printf,
7673 vline_wrapper_message_with_location): New functions. Implement
7674 automatic line wrapping.
7675 (v_message_with_decl): Make it handle automatic line wrapping.
7676 (v_error_with_file_and_line): Likewise.
7677 (v_warning_with_file_and_line): Likewise.
7678 (announce_function): Likewise.
7679 (default_print_error_function): Likewise.
7681 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
7683 * cpplib.h (struct cpp_options): Change lang_asm to char.
7685 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
7686 done in cpp_handle_option now.
7687 (initialize_builtins): Take out special case code used only by
7689 (cpp_handle_option): Turn off trigraphs and trigraph warnings
7690 if -traditional. Recognize -lang-fortran and set
7691 lang_fortran, also turn off cplusplus_comments.
7692 (print_help): Document -lang-fortran.
7693 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
7694 lang_asm. Ignore all directives other than `# 123 "file"' if
7696 (cpp_get_token): If -traditional, don't recognize directives
7697 unless the # is in column 1.
7698 (parse_string): If lang_fortran or lang_asm, silently
7699 terminate strings ('' or "") at end of line.
7700 Remove unnecessary braces.
7702 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7703 Richard Henderson <rth@cygnus.com>
7705 * resource.c (mark_referenced_resources): Mark a set strict_low_part
7707 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
7708 strict_low_part when possible.
7710 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7712 * alias.c: PROTO -> PARAMS.
7713 * basic-block.h: Likewise.
7714 * bitmap.c: Likewise.
7715 * bitmap.h: Likewise.
7716 * builtins.c: Likewise.
7717 * c-aux-info.c: Likewise.
7718 * caller-save.c: Likewise.
7719 * calls.c: Likewise.
7721 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7723 * Makefile.in (toplev.o): Depend on regs.h.
7725 * output.h (tdesc_section): Prototype.
7727 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
7729 * sdbout.c: Include "tm_p.h".
7731 * toplev.c: Include "regs.h".
7733 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
7735 * unroll.c (unroll_loop): Add EH support.
7737 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7739 * pa-protos.h: New file.
7741 * pa.c: Include recog.h and tm_p.h.
7742 (compute_zdepwi_operands, compute_movstrsi_length,
7743 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
7744 find_addr_reg, import_milli): Add static prototypes.
7745 (pa_cpu_string, pa_arch_string): Constify a char*.
7746 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
7747 (read_only_operand): Add argument `mode'.
7748 (singlemove_string, output_move_double, output_fp_move_double,
7749 output_block_move, output_and, output_ior, output_ascii,
7750 remove_useless_addtr_insns, milli_names, output_mul_insn,
7751 output_div_insn, output_mod_insn, output_arg_descriptor,
7752 output_cbranch, output_bb, output_bvb, output_dbra, ,
7753 output_millicode_call, output_call, hppa_encode_label,
7754 output_parallel_movb, output_parallel_addb): Constify a char*.
7755 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
7756 (output_parallel_addb): Remove extra arg to `constrain_operands'
7758 * pa.h: Move all prototypes to pa-protos.h.
7759 (pa_cpu_string, pa_arch_string): Constify a char*.
7760 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
7762 * pa.md: Call `function_label_operand' with mode argument.
7763 Likewise for `read_only_operand'.
7764 Fix nesting of parens in call to `symbolic_operand'.
7766 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7768 * i860-protos.h: New file.
7770 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
7773 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
7775 * i860.md: Likewise.
7777 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
7779 * i386.md (movstrsi expander): Rewrite.
7780 (movstrsi_1 insn): Deleted.
7781 (strmovhi, strmovqi expander): New expanders.
7782 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
7783 * i386.c (x86_single_stringop): New global variable.
7784 * i386.h (x86_single_stringop): Declare.
7785 (TARGET_SINGLE_STRINGOP): New macro.
7787 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
7789 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
7790 integer vararg POSTINCREMENT before the destination of the jump
7791 for the hard fp case.
7792 (function_arg_pass_by_reference): Pass a copy of CUM to
7795 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
7796 for CONSTANT_ADDRESS_P above while loop for subreg.
7798 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
7800 * flow.c (propagate_block): When a prologue/epilogue insn
7801 is marked dead, unconditionally clear libcall_is_dead and
7802 insn_is_dead, and only dump rtl if warnings aren't being
7805 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
7807 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
7808 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
7809 (FIXED_REGISTERS): Set dirflag as fixed.
7810 (CALL_USED_REGISTERS): Set dirflag as used.
7811 (REG_ALLOC_ORDER): Set dirflag as last one.
7812 (DIRFLAG_REG): New macro.
7813 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
7814 (HI_REGISTER_NAMES): Add dirflag.
7815 (DEBUF_PRINT_REG): Handle dirflag.
7816 * i386.md (type attribute): New cld and str types.
7817 (length_opcode attribute): Set cld and str to 1.
7818 (memory attribute): Set str to unknown - it is not clear from the
7820 (pent_np function unit): Prefixed string operations takes 12 cycles
7821 minimally; cld takes 2 cycles.
7822 (ppro_uops attribute): Str is "many" and cld is "few".
7823 (ppro_p0 unit): Handle cld here.
7824 (k6_alux unit): Handle cld and str types.
7825 (k6_load unit): It is ocupied by str opcodes.
7826 (k6_store unit): It is ocupied by str opcodes.
7827 (athlon_decode): Str is vector decoded.
7828 (athlon_ieu): Handle str and cld.
7830 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
7831 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
7832 cmpstrsi_nz_1 insn): Do not output cld instruction
7834 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
7836 * gcc.texi (G++ and GCC): Add Java and Chill.
7837 (Bug Critera): Don't list languages.
7839 * gcc.texi (Incompatibilities): No longer claim most C compilers
7842 * gcc.texi (G++ and GCC): Update other front-ends list.
7844 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
7846 * i386.c (ix86_expand_setcc): Fix typo.
7847 (ix86_expand_movcc): Similarly.
7849 * Band-aid until haifa's bitset implementation is nuked.
7850 * haifa-sched.c (extract_bitlst): New parameter for size of the
7851 bitset in bits. All callers changed. Avoid looking at undefined
7853 (edgeset_bitsize): New variable.
7854 (schedule_region): Initialize edgeset_bitsize.
7856 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7858 * Makefile.in (optabs.o): Depend on real.h
7859 (resource.o): Depend on insn-attr.h
7861 * builtins.c (result_vector): Wrap prototype in macro conditions
7862 governing definition and use.
7864 * c-common.c: Include tm_p.h.
7866 * c-lex.c: Likewise.
7868 * elfos.h: Constify a char*.
7870 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
7871 (get_attr_length, shorten_branches, profile_after_prologue): Mark
7872 parameter with ATTRIBUTE_UNUSED.
7874 * fold-const.c (exact_real_inverse): Wrap variable `i' in
7877 * haifa-sched.c (schedule_insns): Mark parameter with
7880 * optabs.c: Include real.h.
7882 * real.h (ereal_atof): Add prototype arguments.
7884 * resource.c: Include insn-attr.h.
7886 * sdbout.c (sdbout_queue_anonymous_type,
7887 sdbout_dequeue_anonymous_types): Wrap in macro
7888 SDB_ALLOW_FORWARD_REFERENCES.
7889 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
7892 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
7894 * stupid.c: Include tm_p.h.
7896 * tree.c (real_value_from_int_cst): Mark parameter with
7899 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7901 * i960-protos.h: New file.
7903 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
7906 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
7908 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7910 * combine.c (expand_field_assignment): Do not discard SUBREGs
7911 while computing nonzero_bits.
7913 2000-01-09 Nick Clifton <nickc@cygnus.com>
7915 * config/arm/arm.c: Fix compile time warnings about signed vs
7917 * config/arm/arm.h: Fix compile time warnings about signed vs
7920 2000-01-09 Philip Blundell <philb@gnu.org>
7922 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
7923 than `ldm' with only one register.
7924 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
7927 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
7930 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
7932 * config/ns32k/ns32k.md (load or push effective address): Operand 1
7935 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7937 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
7938 assignment used as truth value.
7940 * function.c (assign_temp): Mark parameter `dont_promote' with
7941 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
7942 PROMOTE_FOR_CALL_ONLY.
7944 * genrecog.c (write_subroutine): Mark variable `operands' with
7947 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
7950 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
7951 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
7953 * toplev.c (note_deferral_of_defined_inline_function): Likewise
7956 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7958 * config/c4x.h: Tidy up comments.
7959 * config/c4x.c: Likewise.
7961 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
7963 * fold-const.c (lshift_double, rshift_double): Handle
7964 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
7966 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7968 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
7969 in prepare_function_start().
7971 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
7973 * config/v850/v850.c (expand_epilogue): Interrupt functions no
7974 longer allocate extra stack for function calls.
7976 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7978 * config/c4x/c4x.md (*subqf3_set): Fix typo.
7980 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7982 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
7984 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7986 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7987 * aix43.h: Revert Aug 2 change.
7988 (HAS_INIT_SECTION): Define, not visible yet.
7989 (LD_INIT_SWITCH): Define, not visible yet.
7990 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7992 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
7994 * collect2.c (main): Expand ld2 size further.
7995 (export_object_lst): Cast assignment to avoid warning.
7996 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
7997 (scan_prog_file, COFF): Do not collect initialization or
7998 finalization functions generated for entire shared object if
7999 init/fini support present.
8001 2000-01-07 Nick Clifton <nickc@cygnus.com>
8003 * config/elfos.h: Tidy up formatting of marcos. Make sure
8004 that .section directives are always prefixed by a tab.
8006 * config/svr4.h: Add #include "elfos.h" and remove duplicate
8009 2000-01-07 Matt Austern <austern@sgi.com>
8011 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
8014 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
8016 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
8018 (crtbegin.o, s-crtS): Likewise.
8020 2000-01-06 Richard Henderson <rth@cygnus.com>
8022 * alpha.md (adddi_2+1): Limit offset such that it will be
8023 loadable with a single ldah+lda pair.
8024 (adddi_2+2): Explicitly fail split if we can't make it work.
8026 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
8028 * protoize.c: Conditionally include unistd.h.
8029 (IS_SAME_PATH_CHAR): New macro.
8030 (IS_SAME_PATH): New macro.
8031 (CPLUS_FILE_SUFFIX): New macro.
8032 (cplus_suffix): New static variable.
8033 (is_abspath): New static function.
8034 (in_system_include_dir): Handle DOS style pathnames.
8035 (file_could_be_converted): Likewise.
8036 (file_normally_convertible): Likewise.
8037 (directory_specified_p): Likewise.
8038 (file_excluded_p): Likewise.
8039 (abspath): Likewise.
8040 (shortpath): Likewise.
8041 (referenced_file_is_newer): Likewise.
8042 (save_def_or_dec): Likewise.
8043 (do_processing): Likewise.
8045 (edit_file): Likewise. Use rename instead of link.
8046 (rename_c_file): Likewise. Don't rename syscalls file.
8047 (munge_compile_params): Define null device for DOS based systems.
8048 (process_aux_info_file): Use binary mode if appliable.
8049 (edit_file): Likewise.
8050 * invoke.texi (Running Protoize): Document C++ suffixes used.
8052 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
8053 IS_DIR_SEPARATOR macros.
8054 * collect2.c: Likewise.
8055 * cppinit.c: Likewise.
8056 * dwarf2out.c: Likewise.
8059 * prefix.c: Likewise.
8061 * toplev.c: Likewise.
8062 * system.h: And move to here.
8064 * prefix.c (update_path): Fix typo in variable name.
8066 2000-01-06 Richard Henderson <rth@cygnus.com>
8068 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
8069 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
8070 (count_reg_sets_1, count_reg_references): Likewise.
8071 (flow_loops_level_compute): Start counting actual loop depth at 1.
8072 (flow_loops_find): Likewise.
8073 * local-alloc.c (update_equiv_regs): Likewise.
8074 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
8076 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8078 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
8079 FIRST_PSEUDO_REGISTER
8080 * dwarf2out.c: Don't include frame.h
8081 * dwarfout.c: Likewise
8082 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
8085 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
8087 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8090 * i386.c (movsf splitter): Fix typo in my last checkin.
8092 2000-01-05 Nick Clifton <nickc@cygnus.com>
8094 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
8095 own definition of this macro.
8096 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
8097 flag_data_sections or UNIQUE_SECTION_P are true.
8099 * tm.texi (UNIQUE_SECTION): Document that it can be called for
8100 unitialised data decls.
8102 * config/i386/winnt.c (i386_pe_unique_section): Cope with
8103 being called for uninitialised data.
8105 * config/i386/interix.c (i386_pe_unique_section): Cope with
8106 being called for uninitialised data.
8108 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
8109 for uninitialised data.
8111 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
8112 for uninitialised data.
8114 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
8115 for uninitialised data.
8117 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
8118 (UNIQUE_SECTION_P): Always generate a unique section if
8119 flag_data_sections is true.
8120 (UNIQUE_SECTION): Also generate unique sections for
8122 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
8123 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
8126 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8128 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
8131 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8133 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
8134 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
8135 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
8136 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
8137 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
8139 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
8141 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8143 * c-decl.c (finish_enum): Simplify code to determine minimum and
8144 maximum values of the enum, and calculate the type. Remove check
8145 for FUNCTION_DECLs in the values list, which cannot happen. Replace
8146 the DECL_INITIAL of each enumeration constant with a copy converted
8147 to the enumeration type. When updating variant types, don't bother
8148 updating the type itself.
8150 * c-typeck.c (build_binary_op): Simplify conditional expressions
8151 when weeding out spurious signed-unsigned warnings. Add new
8152 spurious warning category: if the unsigned quantity is an enum
8153 and its maximum value fits in signed_type(result_type). Update
8155 (build_conditional_expr): Warn here if one alternative is signed
8156 and the other is unsigned.
8158 2000-01-05 Nick Clifton <nickc@cygnus.com>
8160 * config/fr30/fr30.h: Remove extraneous comments.
8162 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
8164 * reload1.c (choose_reload_regs): When disabling a reload, also
8165 set reload_spill_index to -1.
8167 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8169 * configure.in (m68*-*-rtemscoff*): New target, formal name for
8171 (m68*-*-rtemself*): New target.
8172 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
8173 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
8174 (sparc*-*-rtemself*): New target.
8175 (sparc*-*-rtems*): Now elf not a.out.
8176 * config/i386/rtems.h: Include config/rtems.h.
8177 * config/i386/rtemself.h: Include config/rtems.h.
8178 * config/i960/rtems.h: Include config/rtems.h.
8179 * config/m68k/rtems.h: Include config/rtems.h.
8180 * config/m68k/rtemself.h: Include config/rtems.h.
8181 * config/mips/rtems64.h: Include config/rtems.h.
8182 * config/pa/rtems.h: Include config/rtems.h.
8183 * config/rs6000/rtems.h: Include config/rtems.h.
8184 * config/sh/rtems.h: Include config/rtems.h.
8185 * config/sh/rtemself.h: Include config/rtems.h.
8186 * config/sparc/rtems.h: Include config/rtems.h.
8187 * config/sparc/rtemself.h: Include config/rtems.h
8189 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
8191 * final.c (shorten_branches): Correctly compute length of
8192 asms without operands.
8194 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
8196 * configure.in: Add pj target.
8197 * configure: Regenerate.
8198 * config/pj: New directory.
8199 * config/pj/lib1funcs.S: New file.
8200 * config/pj/linux.h: New file.
8201 * config/pj/pj.c: New file.
8202 * config/pj/pj.md: New file.
8203 * config/pj/pjl.h: New file.
8204 * config/pj/t-pj: New file.
8205 * config/pj/xm-pj.h: New file
8207 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
8209 * toplev.c (rest_of_compilation): Run shorten-branches before
8212 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8214 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
8215 macros so that they're consistent with their names.
8216 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8217 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8219 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8221 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
8222 modified inadvertently.
8224 2000-01-04 Joel Sherrill <joel@OARcorp.com>
8226 * configure.in (v850*-*-rtems*): New target.
8227 * configure: Regenerate.
8228 * config/v850/rtems.h: New file.
8230 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
8232 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
8233 (__gthread_key_create): Likewise.
8234 (__gthread_key_dtor): Likewise.
8235 (__gthread_once): Fix logic.
8236 (__gthread_key_delete): Cast away constness.
8238 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
8239 * invoke.texi: Document.
8240 * i386/mingw32.h (CPP_SPEC): Use.
8241 (LIBGCC_SPEC): Likewise.
8242 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
8244 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8246 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
8247 (HANDLE_PRAGMA_PACK): Undefine.
8248 (SLOW_UNALIGNED_ACCESS): Define.
8250 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8252 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8253 to default definition.
8254 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
8255 (store_fixed_bit_field): Call macro with word_mode and alignment.
8256 (extract_bit_field): Call macro with relevant mode and alignment.
8257 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8258 to default definition.
8259 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
8261 (move_by_pieces_ninsns): Likewise.
8262 (clear_by_pieces): Likewise.
8263 (emit_push_insn): Likewise.
8264 (store_field): Call macro with relevant mode and alignment.
8265 (expand_expr): Likewise.
8266 (expand_expr_unaligned): Likewise.
8268 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8269 (SLOW_UNALIGNED_ACCESS): Define.
8270 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8271 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8272 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8273 (toc_section): Likewise and .toc pseudo-op.
8274 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8276 (TEXT_SECTION_ASM_OP): Likewise.
8277 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8280 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
8281 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
8282 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
8283 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
8284 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
8286 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
8288 * regclass.c: Revert my Jan 4 change to loop cost computation.
8290 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8292 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
8295 2000-01-04 Stan Cox <scox@cygnus.com>
8297 * haifa-sched.c (build_control_flow): Change unreachable simple
8298 loop test to check if current block has only one predecessor.
8299 (find_rgns): Initialize degree. Use dest as degree index, not src.
8301 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8303 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
8305 * calls.c (expand_call): Likewise for
8306 `old_stack_arg_under_construction'.
8308 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
8310 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
8313 * gcc.c (execute): Likewise for `ut' and `st'.
8315 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
8317 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
8319 * jump.c (jump_optimize_1): Likewise for `temp2'.
8321 * local-alloc.c (block_alloc): Likewise for `r1'.
8323 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
8325 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
8326 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
8328 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
8331 * reload.c (find_reloads): Likewise for `goal_alternative_number'
8332 and `goal_earlyclobber'.
8334 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
8336 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
8338 * stupid.c (stupid_life_analysis): Likewise for `chain'.
8340 * unroll.c (copy_loop_body): Likewise for `copy'.
8342 * varasm.c (output_constructor): Likewise for `byte'.
8344 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8346 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
8347 all FP constants for constant->reg moves.
8348 (ix86_split_to_parts): Try to convert memory address into immediate
8349 when available in the constant pool.
8350 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
8352 (LEGITIMATE_CONSTANT_P): Return 1.
8353 * i386.md (pushsf): New splitter to convert constant pool memory
8354 reference to immediate.
8355 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
8358 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
8360 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
8361 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
8362 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
8363 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
8364 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
8366 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
8368 * ginclude/stdbool.h: Support compilation as C++.
8370 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8372 * fold-const.c (make_range): Don't try to reverse an unbounded range.
8374 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
8376 * regclass.c (regclass): Properly compute loop_cost. Adjust
8379 * regclass.c: Fix minor whitespace problems.
8381 2000-01-03 Anthony Green <green@cygnus.com>
8383 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
8384 Restore the pic register if required.
8386 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
8388 * c-common.c (format_char_info): Update comment.
8389 (check_format_info): Recognize 'z' modifier in the same way 'Z'
8390 was recognized. Emit warning for formats new in ISO C99 only
8391 if flag_isoc9x is not set.
8393 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
8395 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
8397 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8399 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
8400 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
8401 (make_compound_operation): Choose cheaper alternative between
8402 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
8404 * regclass.c (op_costs): Remove global variable.
8405 (record_reg_classes): New parameter "op_costs" and "reg_pref".
8406 (record_operand_costs): Break out from ...
8407 (scan_one_insn): ... here.
8408 (dump_regclass): Make dumps nicer.
8409 (regclass): Dump preferrences choosed and changes done during passes.
8411 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8413 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
8415 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8417 * config/sparc/sparc.c (gen_df_reg): New function.
8418 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
8419 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
8420 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
8421 movtf_cc_reg_sp64+1): Use it.
8423 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8425 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
8428 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8430 * config/i386/i386.c (ix86_expand_unary_operator): Function
8431 definition made void.
8432 (ix86_expand_binary_operator): Update outdated preceding comment.
8433 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
8436 * config/i386/i386.c (override_options): Fix option-name typo.
8438 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8440 * system.h (CEIL): Define.
8441 * builtins.c (CEIL): Remove.
8442 * expmed.c (CEIL): Likewise.
8443 * expr.c (CEIL): Likewise.
8444 * stor-layout.c (CEIL): Likewise.
8446 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8448 * expr.c (store_constructor_field): Fix typo introduced with last
8451 2000-01-01 Mark Mitchell <mark@codesourcery.com>
8453 * tree.h (BINFO_N_BASETYPES): New macro.
8455 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
8457 * expmed.c (emit_store_flag): Prevent losing a pending stack
8458 adjust the same way we prevent losing queued increments.
8460 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8462 * function.c (update_temp_slot_address): Handle case where sum of
8463 temporary address plus offset in register is a valid address.
8465 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8467 * genrecog.c (change_state) Corrected typo.
8469 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8471 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
8472 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
8473 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
8475 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
8477 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
8478 case, expand GT comparisons correctly. Fix a comment before this
8481 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8483 * dwarfout.c: Include "frame.h"
8484 * dwarf2out.c: Likewise.
8485 * Makefile.in (dwarfout.o): Depend on frame.h
8486 (dwarf2out.o): Likewise.
8488 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
8490 Restore i386 binary compatibility in Dwarf EH info.
8491 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
8492 value of FIRST_PSEUDO_REGISTER.
8493 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
8494 (struct frame_state): Use DWARF_FRAME_REGISTERS.
8495 * dwarfout.c (output_reg_number): Ditto.
8496 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
8497 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
8499 1999-12-29 Bruce Korb <autogen@linuxbox.com>
8501 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
8502 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
8503 (<hack>_RE_CT): not needed
8504 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
8505 rewritten to scan the file text once only
8506 "template<..." test added
8507 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
8508 (is_cxx_header): declaration added
8509 * fixinc/fixtests.c(is_cxx_header): removed
8510 (apply_fix_p_t): removed
8511 (double_slash_test): is_cxx_header is only called once now
8512 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
8513 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
8514 within the templates.
8515 The borken spelling of "broken" was fixed.
8516 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
8517 The default level depends on FIXINC_DEBUG.
8519 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8521 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
8522 Otherwise provide a declaration for atexit.
8523 (init_dummy): Make sure dummy call to atexit is nevertheless
8524 called with correct number of args.
8526 * frame.c: Update comments referring to other files.
8528 * libgcc2.c: Likewise.
8530 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8532 * cse.c (free_element, get_element): Remove unused prototypes.
8534 * fold-const.c (extract_muldiv): Initialize variables `op0' and
8537 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
8540 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
8542 * configure.in,configure: case arm for mn10200-*-* now sets
8543 float_format=i32 so that float.h will correctly claim "double"
8544 to be 32 bits. Ran autoconf to generate configure from .in file.
8546 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
8548 * pa.md (conditional zero): If op1 is a register, force it into
8549 the same register as op0.
8551 1999-12-28 Mark Mitchell <mark@codesourcery.com>
8553 * tree.h (BINFO_BASETYPES): Improve documentation.
8555 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8557 * configure.in (--enable-checking): Use a more portable `for'
8560 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8562 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
8563 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
8565 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
8568 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
8569 Delete descriptions.
8571 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
8572 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
8573 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
8574 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
8575 xm-svr4.h: Remove all instances of sys_siglist handling.
8577 1999-12-27 Jakub Jelinek <jakub@redhat.com>
8579 * config/sparc/sparc.md (cmp_zero_qi,
8580 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
8581 cmp_zero_extendqidi2_andcc_set): New patterns.
8583 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
8585 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
8586 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
8587 (fpgnulib.c, xfgnulib.c): Add rules.
8588 * m68k/t-mot3300-gas: Likewise.
8590 1999-12-27 Ian Lance Taylor <ian@zembu.com>
8592 * configure.in: Avoid [[ by using test and changequote. Add
8593 changequote required by 1999-12-14 change.
8594 * configure: Rebuild.
8596 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
8598 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
8600 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
8602 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
8603 * flow.c (find_use_as_address): Likewise.
8604 * function.c (fixup_var_refs_1): Likewise.
8605 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
8606 * jump.c (invert_exp, redirect_exp): Likewise.
8607 * loop.c (replace_call_address): Likewise.
8608 (count_nonfixed_reads): Likewise.
8609 * rtlanal.c (modified_between_p): Likewise.
8610 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
8611 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
8612 * unroll.c (remap_split_bivs): Likewise.
8614 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8616 * diagnostic.c (v_message_with_decl): Use .* format specifier
8617 instead of building the format specifier width manually.
8619 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
8620 determining whether to provide a prototype. Remove the
8621 sys_siglist clause in the conditional.
8623 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8625 * fold-const.c (operand_equal_p): Use memcmp to compare string
8627 Suggested by D. J. Bernstein
8629 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8631 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
8632 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8634 * config/mips/mips.h (TARGET_64BIT): Likewise.
8635 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
8636 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
8637 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
8638 dsps. Give routines proper names if SI/DI modes are not used.
8639 * longlong.h: Use DWunion instead of DIunion.
8641 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
8643 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
8644 GC_CHECKING, GC_ALWAYS_COLLECT.
8645 * configure.in: Allow --enable-checking with an argument
8646 listing check modes to enable.
8647 * config.in, configure: Rebuilt.
8648 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
8649 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
8650 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
8651 ENABLE_GC_ALWAYS_COLLECT.
8652 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
8654 * tree.h, tree.c: Change ENABLE_CHECKING to
8655 ENABLE_TREE_CHECKING throughout.
8657 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8659 * fold-const.c (fold_truthop): Properly check for FP RHS.
8661 1999-12-24 Mark Mitchell <mark@codesourcery.com>
8663 * toplev.h (note_deferall_of_defined_inline_function): Declare.
8664 * toplev.c (note_deferral_of_defined_inline_function): New
8665 function, split out from ...
8666 (rest_of_compilation): ... here. Use it.
8668 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8670 * expr.c (store_constructor): Don't call clear_storage if size is
8673 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8675 * Makefile.in (toplev.o): Depend on loop.h.
8677 * dwarfout.c: Include tm_p.h.
8679 * emit-rtl.c (restore_emit_status): Mark parameter with
8682 * final.c (final_scan_insn): Likewise.
8684 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
8685 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
8686 flow_depth_first_order_compute, flow_loop_pre_header_find,
8687 flow_loop_tree_node_add, flow_loops_tree_build,
8688 flow_loop_level_compute, flow_loops_level_compute,
8689 flow_loop_outside_edge_p): Add prototypes.
8690 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
8692 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
8693 Mark with ATTRIBUTE_NORETURN.
8695 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
8697 * local-alloc.c (no_conflict_p): Likewise.
8699 * loop.c (insert_bct): Hide definitions of variables with hidden
8701 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
8703 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
8704 with ATTRIBUTE_UNUSED.
8705 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
8706 (reg_scan): Likewise.
8708 * reload.c (find_reloads): Remove unused variables `changed'.
8710 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
8712 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
8713 Remove unused variable `insn'.
8715 * toplev.c: Include loop.h.
8716 (report_file_and_line): Remove unnecessary prototype.
8718 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
8720 * unroll.c (biv_total_increment): Likewise.
8722 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8724 * reload1.c (emit_input_reload_insns): Restore old behaviour
8725 wrt. 'special' reloads.
8727 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
8729 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
8730 hash.h. (cse.c): Don't depend on hashtab.h.
8732 * cse.c: Don't include hashtab.h.
8733 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
8735 * ggc-simple.c: Don't include hash.h.
8737 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
8739 * dwarf2out.c (add_abstract_origin_attribute): Call
8740 gen_abstract_function on our function context.
8742 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
8744 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
8746 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8748 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
8751 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8753 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
8754 constraints to "a!r".
8756 1999-12-21 Mark Mitchell <mark@codesourcery.com>
8758 * Makefile.in (calls.o): Depend on function.h.
8759 (alias.o): Likewise.
8761 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
8763 * reload1.c (emit_reload_insns): Break out code and variables into...
8764 (input_reload_insns, other_input_address_reload_insns,
8765 other_input_reload_insns, input_address_reload_insns,
8766 inpaddr_address_reload_insns, output_reload_insns,
8767 output_address_reload_insns, outaddr_address_reload_insns,
8768 operand_reload_insns, other_operand_reload_insns,
8769 other_output_reload_insns): ... new static variables, and...
8770 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
8771 do_output_reload): ... new functions.
8773 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8775 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
8777 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8779 * md.texi: Add c4x constraints documentation.
8781 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8783 * config/i386/dgux.c (struct option): Rename to
8784 lang_independent_option.
8785 (struct m_options): Add description field.
8786 (output_options): Rename option type, add sep declaration, output
8787 ix86_cpu_string and ix86_arch_string only if set.
8788 (output_file_start): Rename option type.
8790 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
8792 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
8794 (libgcc2.a): Similarly.
8796 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
8798 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
8799 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
8800 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
8802 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
8804 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
8805 Remove redundant initialization of "frexpon" and "expon".
8807 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8809 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
8811 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
8812 (store_constructor_field, expand_expr): Pass new arg.
8814 1999-12-20 Mark Mitchell <mark@codesourcery.com>
8816 * Makefile.in (explow.o): Depend on function.h.
8818 * stor-layout.c (set_sizetype): Fix typo.
8820 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
8822 * function.c (cfun): Renamed from current_function. All users
8824 * function.h (cfun): Rename declaration as well.
8826 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
8827 to be of type regset_head, not regset. All users changed by adding
8829 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
8831 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8833 * config/c4x/rtems.h: New file.
8835 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
8837 * reload1.c (spill_failure): Take class of failed reload as argument
8838 and print it. Caller changed.
8840 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8842 * rs6000.h (SUBTARGET_DEFAULT): New macro.
8843 (TARGET_SWITCHES): Allow subtargets to default switches.
8844 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
8846 1999-12-18 Mark Mitchell <mark@codesourcery.com>
8848 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
8851 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
8853 * cccp.c (main): Define __STDC_VERSION__ as necessary.
8854 * cppinit.c (cpp_handle_option): Likewise.
8856 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
8857 determine when to define.
8859 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
8861 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
8862 cmove with mismatched test and data modes.
8864 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
8866 * c-typeck.c (c_expand_start_case): Don't warn for long switch
8869 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8871 * alias.c: Minor reformatting.
8874 * stor-layout.c: Likewise.
8875 * fold-const.c: Likewise.
8876 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
8877 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
8879 (size_int_wide): Cache nodes even if garbage collecting.
8880 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
8881 of SAVE_EXPR has no side effects.
8882 * cse.c: Move a comment.
8883 * tree.c: Minor reformatting.
8884 (int_size_in_bytes): Return -1 if constant overflows.
8886 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8888 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
8890 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
8892 * objc/objc-parse.c: Regenerate. This file must be rebuilt
8893 after any change to c-parse.in, even if objc-parse.y didn't
8896 1999-12-18 David S. Miller <davem@redhat.com>
8898 * toplev.c (rest_of_compilation): Restore BLOCK tree
8899 reconstruction and branch shortening changes lost in
8900 December 18th change.
8902 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
8904 * config/arm/linux-elf.h: Change all instances of
8905 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
8906 * config/arm/uclinux-elf.h: Likewise.
8908 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
8910 * toplev.c (notice, vmessage, v_message_with_file_and_line,
8911 v_message_with_decl, file_and_line_for_asm,
8912 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
8913 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
8914 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
8915 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
8916 pfatal_with_name, fatal_io_error, need_error_newline,
8917 last_error_function, last_error_tick, announce_function,
8918 default_print_error_function, print_error_function,
8919 report_error_function, fnotice, error_with_file_and_line,
8920 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
8921 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
8922 warning_with_decl, warning_for_asm, warning, pedwarn,
8923 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
8925 (compile_file): Use fnotice instead of notice. Adjust call.
8927 * diagnostic.c: New file.
8929 * Makefile.in (OBJS): Include diagnostic.o
8930 (diagnostic.o): Define dependence.
8932 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8934 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
8937 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8939 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
8941 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8943 * fixtests.c (is_cxx_header): New fn, split out of
8945 (else_endif_label): Allow "#endif // comment" in C++ headers,
8946 as determined by is_cxx_header.
8947 * fixfixes.c (else_endif_label_fix): Update comment.
8948 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
8950 * genfixes: Correct double thinko in commandline parsing.
8951 * hackshell.tpl: Generate correct sh syntax for bypass
8954 * inclhack.def (all): Whenever an inserted preprocessor
8955 conditional is split over multiple lines, use double
8956 backslashes in this file so the fixed header will be readable.
8958 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
8959 and add bypass entry for correct version of this header.
8960 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
8961 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
8963 (hpux8_bogus_inlines): New fix, split from...
8964 (ultrix_atof_param) ... here.
8965 (math_expression): Add bypass entry keyed to glibc comment
8966 indicating the problem has been dealt with; disable
8967 unnecessary sed operations; update commentary.
8968 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
8969 add select and bypass entries, simplify shell operation.
8970 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
8972 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
8973 ultrix_atof_param): Add select entry.
8974 (stdio_va_list, sunos_mather_decl): Add bypass entry.
8975 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
8976 comments with the fixes they describe.
8978 * c-parse.in (string action): Do not warn about ANSI string
8979 concatenation in system headers. Affects C parser only.
8980 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
8982 1999-12-16 Jakub Jelinek <jakub@redhat.com>
8984 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
8985 compiling libgcc2 the macro depends always on arch cpp defines.
8987 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
8989 * loop.c (insert_loop_mem): Don't record MEMs from inside
8992 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
8994 * regclass.c (regclass): Do not use flowgraph when not optimizing.
8996 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
8997 notes too, create one when replacement failed, attempt to simplify
8999 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
9002 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9004 * crtstuff.c (__dso_handle): Declare.
9005 (__cxa_finalize): Likewise.
9006 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
9009 * invoke.texi: Document -fuse-cxa-atexit.
9011 * tree.h (ptr_type_node): Document.
9012 (const_ptr_type_node): Likewise.
9014 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9016 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
9017 (optimize_reg_copy_2): Likewise.
9018 (optimize_reg_copy_3): Likewise.
9019 (fixup_match_2): Likewise.
9020 (regmove_optimize): Likewise.
9021 (fixup_match_1): Liekwise.
9023 * i386.md (HI to SImode promoting splitters): Rewrite.
9024 (pushsf mem peep2): New.
9025 (testhi to andhi peep2): Remove.
9026 * i386.h (x86_promote_QImode): New.
9027 (TARGET_PROMOTE_QImode): New.
9028 (PREDICATE_CODES): Add promotable_binary_operator.
9029 * i386.c (x86_promote_QImode0: New.
9030 (promotable_binary_operator): New.
9031 * i386-protos.h (promotable_binary_operator): New.
9033 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
9035 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
9037 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9039 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
9040 * function.c (insert_block_after_note): Remove.
9041 (retrofit_block): Likewise.
9042 (identify_blocks): Fix indentation.
9043 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
9044 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
9045 * function.h (insert_block_after_note): Remove prototype.
9046 (retrofit_block): Likewise.
9047 * integrate.c (expand_inline_function): Don't call
9048 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
9049 just expand_start_bindings. Use the block_map to remap old
9050 NOTE_BLOCKs to new ones.
9051 (integrate_decl_tree): Keep track of remapped blocks.
9052 * integrate.h (struct inline_remap): Add block_map.
9053 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
9054 NOTE_BLOCK on the notes.
9055 (expand_start_bindings): Rename to ...
9056 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
9057 (expand_end_bindings): Set NOTE_BLOCK.
9058 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
9059 reconstruct the BLOCK tree.
9060 * tree.h (expand_start_bindings): Macroize. Call ...
9061 (expand_start_bindings_and_block): New function.
9063 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9065 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
9066 to match the format.
9068 1999-12-16 David S. Miller <davem@redhat.com>
9070 * expr.c (emit_move_insn_1): Only emit clobbers if one of
9071 the outputs is a SUBREG.
9072 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
9075 * config/sparc/sparc.c (epilogue_renumber): Add default case
9078 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9080 * toplev.c (rest_of_compilation): Run branch shortening after
9083 * regclass.c (loop_depth): Remove
9084 (scan_one_insn): Do not handle LOOP_NOTE insns.
9085 (regclass): Go through basic blocks and set loop_cost
9087 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
9089 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
9091 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9093 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
9094 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
9095 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
9097 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
9099 * loop.c (insert_loop_mem): Ignore memory clobbers.
9101 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
9104 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
9106 * profile.c: Remove redundant #include "output.h".
9108 * h8300.md (HImode preinc peephole): Fix typo.
9110 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9112 * function.c (retrofit_block): Abort if we don't find a suitable insn.
9113 (insert_block_after_note): Abort if we don't have a previous block.
9114 Remove FN parameter.
9115 * function.h: Adjust.
9117 1999-12-15 Mark Mitchell <mark@codesourcery.com>
9119 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
9120 argument more than once.
9122 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9124 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
9126 1999-12-15 Jakub Jelinek <jakub@redhat.com>
9128 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
9130 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9132 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
9133 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
9134 update stack_alignment_needed.
9135 (prepare_function_start): Initialize stack_alignment_needed
9136 * function.h (struct function): Add field stack_alignment_needed.
9138 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9140 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
9141 Handle live_throughout / dead_or_set instead of live_before /
9143 (save_call_clobbered_regs): Get register livenessinformation from
9144 chain->live_throughout.
9145 (add_stored_regs): New function.
9146 (insert_restore, insert_save): Add restored / saved registers to
9148 * global.c (reg_dies): New parameter chain.
9149 (reg_becomes_live): Third parameter is regs_set now.
9150 Changed all callers.
9151 (reg_dies): New parameter chain. Changed all callers.
9152 (build_insn_chain): Set live_throughout instead of
9153 live_before / live_after.
9154 * reload.h (struct insn_chain): Replace members live_before /
9155 live_after with live_throughout / dead_or_set.
9156 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
9157 instead of live_before / live_after.
9158 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
9159 (order_regs_for_reload, find_reg, finish_spills): Likewise.
9160 (choose_reload_regs_init): Likewise.
9161 * stupid.c (current_chain, find_clobbered_regs): Delete.
9162 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
9163 instead of chain->live_before / chain->live_after.
9164 (mark_hard_ref): New function.
9165 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
9167 1999-12-15 David S. Miller <davem@redhat.com>
9169 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
9171 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9173 * flow.c (calculate_loop_depth): Make global, remove prototype,
9174 rewrite to use new loop infrastructure.
9175 (find_basic_block): Remove calculate_loop_depth call.
9176 * toplev.c (rest_of_compilation): Call find_basic_block.
9177 * output.h (calculate_loop_depth): Declare.
9179 * flow.c (dump_flow_info): Dump loop_depth.
9180 (flow_loops_nodes_find): Increase loop_depth for basic block in the
9182 (flow_loops_find): Initialize the loop_depth for each basic block.
9184 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9186 * tree.c (decl_function_context): Handle virtual functions.
9188 * tlink.c (scan_linker_output): Don't look in demangled name when
9189 looking for linker output keywords.
9191 * dwarfout.c (output_type): We can defer namespace-scope classes.
9193 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
9195 * regclass.c (record_reg_classes): Update comment for merging
9196 register class preferences in reg->reg copies. Tighten conditions
9197 for merging register class preferences in reg->reg copies.
9199 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
9201 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
9203 1999-12-14 Geoff Keating <geoffk@cygnus.com>
9205 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
9206 (INIT_SECTION_ASM_OP): Delete.
9207 (FINI_SECTION_ASM_OP): Delete.
9208 (STARTFILE_SPEC): Define to hold just crtbegin.o.
9210 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
9212 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
9213 the abstract origin wasn't emitted.
9215 * dwarf2out.c (class_scope_p): New fn.
9216 (gen_subprogram_die): Use it.
9217 (gen_variable_die): Use it. Tweak logic.
9218 (gen_struct_or_union_type_die): Check context_die to determine
9219 if we're function-local.
9220 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
9222 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9224 * loop.c (check_dbra_loop): Can't reverse a biv that has
9227 1999-12-14 Nick Clifton <nickc@cygnus.com>
9229 * config/arm/arm.c: Add support for -mcpu=arm720 command line
9232 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9234 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
9235 for givs made from biv increments.
9237 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
9239 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
9240 * alpha.c (override_options): Recognize -mcpu=ev67.
9241 * alpha.h (CPP_CPU_EV67_SPEC): New.
9242 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
9243 (EXTRA_SPECS): Update.
9245 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
9247 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
9248 appropriate for -lang-c89 and -std=*.
9249 * cppinit.c (cpp_handle_option): Likewise.
9250 (new_pending_define): New, split out from cpp_handle_option.
9251 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
9252 or enable trigraphs for -ansi/-std=*.
9254 * ginclude/stdarg.h (__va_copy): New.
9255 (va_copy): Don't define for C89.
9257 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
9259 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
9260 for long long multiply-accumulate.
9262 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9264 * regclass.c (scan_one_insn): Set loop_cost to 1 when
9265 optimizing for size.
9267 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9269 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9270 if something changed. Back out that part of yesterday's changes.
9272 * loop.c (loop_max_reg): New static variable.
9273 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9275 (scan_loop): Call reg_scan_update whenever we may have added new
9276 registers, and update loop_max_reg.
9278 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9280 * regclass.c (record_reg_classes): Do not do the copying preferrencing
9281 when source does not die.
9283 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
9285 1999-12-14 Jakub Jelinek <jakub@redhat.com>
9287 * config/sparc/linux64.h (TARGET_LIVE_G0,
9288 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
9290 * config/sparc/linux.h (TARGET_LIVE_G0,
9291 TARGET_BROKEN_SAVERESTORE): Likewise.
9292 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9293 TARGET_BROKEN_SAVERESTORE): Likewise.
9295 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
9296 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
9298 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
9299 as sparc64 block profiling register.
9300 * config/sparc/sparc.c (sparc_override_options): Allow block
9301 profiling with -m32.
9302 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
9304 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
9305 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
9306 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
9308 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
9310 * config/sparc/sparc.h: Likewise.
9311 * config/sparc/xm-sysv4-64.h: Likewise.
9312 * config/float-sparc.h: Likewise.
9313 * glimits.h: Likewise.
9314 * longlong.h: Likewise.
9316 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
9317 (ASM_IDENTIFY_GCC): Remove.
9319 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9321 * combine.c (combine_simplify_rtx): Don't make shared rtl.
9322 (simplify_logical): Likewise.
9324 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9326 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
9327 * cppfiles.c (INO_T_EQ): Likewise.
9329 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9331 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
9332 * i386/mingw32.h (LIB_SPEC): Likewise.
9333 (STARTFILE_SPEC): Likewise.
9334 * i386/uwin.h (LIB_SPEC): Likewise.
9335 (STARTFILE_SPEC): Likewise.
9337 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
9338 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
9340 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
9342 * combine.c (combine_simplify_rtx): Fix order of checks for
9343 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
9345 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
9347 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
9348 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
9350 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9352 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
9354 * regclass.c (inv_reg_alloc_order): New array.
9355 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
9357 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
9358 counted_for_groups, counted_for_nongroups. Add fields rld and
9360 * reload.c (push_secondary_reload): Don't set nongroup field of
9362 (push_reload): Likewise.
9363 (find_reloads): Delete code to compute nongroup fields.
9364 * reload1.c (reload_insn_firstobj): New static variable.
9365 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
9367 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
9368 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
9369 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
9371 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
9373 (struct hard_reg_n_uses): Deleted.
9374 (potential_reload_regs): Deleted.
9375 (init_reload): Initialize spilled_pseudos and pseudos_counted.
9376 (reload): Don't try to allocate reload registers if we already know
9377 we have to make another pass. Call select_reload_regs. Free memory
9378 starting with reload_firstobj when starting another pass.
9379 Don't allocate spilled_pseudos.
9380 (calculate_needs_all_insns): Call copy_reloads for an insn that
9381 needs reloads; don't call calculate_needs.
9382 (spill_cost): New static array.
9383 (used_spill_regs_local): New static variable.
9384 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
9385 to compute potential_reload_regs.
9386 (find_reload_regs): Completely rewritten to use find_reg.
9387 (allocate_reload_reg): Don't test counted_for_groups or
9388 counted_for_nongroups. Lose NOERROR arg and code to give an error;
9390 (choose_reload_regs): Add fallback code that uses the existing
9391 register allocation from find_reload_regs.
9393 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
9395 * flow.c (create_edge_list): Cast xmalloc return value.
9397 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
9399 * doprnt.c: Remove incorrect comment closure.
9401 * cse.c: Fix a few minor whitespace goofs.
9403 1999-12-13 Don Bowman <don@pixstream.com>
9405 * mips/vxworks.h: Fix problem with comment termination.
9406 (EXTRA_SECTIONS): Add in_sbss.
9407 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
9409 1999-12-12 David S. Miller <davem@redhat.com>
9411 * cse.c (struct cse_reg_info): Add hash_next member,
9412 reorder rest of struct for better packing on 64-bit
9414 (cse_reg_info_tree): Kill.
9415 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
9416 REGHASH_FN): New custom pow2 hash mechanism.
9418 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
9419 use a pow2 hash table.
9420 (get_cse_reg_info): Rework to use new REGHASH.
9421 (new_basic_block): Likewise, use HASH_SIZE, and inline
9423 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
9424 and inline free_element call.
9425 (lookup_as_function, insert, flush_hash_table, invalidate,
9426 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
9427 invalidate_for_call, use_related_value, find_comparison_args,
9428 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
9429 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
9432 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
9434 * cse.c (cse_basic_block): Free qty_table consistently.
9436 1999-12-12 David S. Miller <davem@redhat.com>
9437 Jakub Jelinek <jakub@redhat.com>
9439 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
9440 SUBREGs by hand, gen the appropriate hard reg directly.
9441 (movtf reg/mem split): Likewise and alter_subreg on destination
9443 (movtf mem/reg split): Similarly.
9444 (movdf_cc_sp64): Rename from hidden pattern.
9445 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
9446 (movtf_cc_sp64, following split): New pattern and splitter.
9447 (movdf_cc_reg_sp64): Rename from hidden pattern.
9448 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
9450 (movtf_cc_reg_sp64, following split): New pattern and splitter.
9452 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
9454 * loop.c (load_mems): Don't hoist written floating point mem
9457 1999-12-12 Mark Mitchell <mark@codesourcery.com>
9459 * except.h (struct eh_queue): Add `next' pointer.
9460 (struct eh_status): Make x_ehqueue a pointer.
9461 (push_ehqueue): Declare.
9462 (pop_ehqueue): Likewise.
9463 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
9465 (expand_fixup_region_end): Likewise.
9466 (expand_leftover_cleanups): Likewise.
9467 (push_ehqueue): Define.
9468 (pop_ehqueue): Likewise.
9469 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
9470 than doing it inline.
9471 (expand_start_all_catch): Adjust now that ehqueue is a
9473 (mark_eh_queue): Mark all level of the queue.
9474 (mark_eh_status): Adjust now that ehqueue is a
9476 (init_eh_for_function): Allocate ehqueue.
9477 (free_eh_status): Free it.
9478 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
9479 expansion for a fixup.
9481 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9483 * gthr-single.h (__gthread_active_p): Add prototype arguments.
9485 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
9486 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
9487 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
9488 function_ptr, getpagesize, __enable_execute_stack,
9489 __enable_execute_stack, __clear_insn_cache,
9490 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
9491 _cleanup, _exit, __default_terminate, __terminate_func,
9492 __terminate, __empty, __throw, new_eh_context,
9493 eh_context_initialize, eh_context_static, eh_context_specific,
9494 get_eh_context, __get_eh_context, __get_eh_info,
9495 init_reg_size_table, eh_threads_initialize,
9496 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
9497 __unwinding_cleanup, throw_helper, __throw, __rethrow,
9498 __pure_virtual): Add prototype arguments.
9499 (__bb_exit_func): Cast a sizeof to long when comparing against one.
9500 Cast a signed value to unsigned long when comparing against one.
9501 (new_eh_context): Wrap in _GTHREADS macro.
9502 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
9504 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
9505 (throw_helper): Initialize variables `handler_p' and `pc_p'.
9507 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9509 * combine.c (record_promoted_value): Remove unused variable
9512 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
9514 * global.c (record_conflicts): Likewise for `j'.
9516 * genoutput.c (output_insn_data): Don't unnecessarily cast away
9519 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9521 * i386-protos.h (output_387_binary_op, output_fix_trunc,
9522 output_fp_compare): Constify a char*.
9524 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
9526 (override_options, ix86_comp_type_attributes, print_operand,
9527 output_387_binary_op, output_fix_trunc, output_fp_compare):
9529 (ix86_sched_reorder): Mark parameter `clock_var' with
9532 * i386.h (DEBUG_PRINT_REG): Constify a char*.
9534 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
9536 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
9537 operand, for use in the Java front-end.
9539 1999-12-10 Ben Collins <bcollins@debian.org>
9541 * configure.in: Fix typo for "-64" in 64bit as check.
9542 * configure: Rebuilt.
9544 1999-12-10 Jakub Jelinek <jakub@redhat.com>
9546 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
9549 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9551 * c-parse.in (string): With -Wtraditional, warn if ANSI string
9552 concatenation is utilized.
9554 * invoke.texi (-Wtraditional): Document it.
9556 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9558 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
9559 Cast a ptrdiff_t to long and pass it to printf with %ld.
9561 1999-12-10 Geoff Keating <geoffk@cygnus.com>
9563 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
9564 68881, we have no 68881 registers at all.
9565 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
9566 value in a 68881 register if it is available.
9568 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
9570 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
9571 for long long multiply-accumulate.
9573 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9575 * loop.c (insert_loop_mem): Undo last change.
9577 1999-12-10 David S. Miller <davem@redhat.com>
9579 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
9581 * config/sparc/sparc-protos.h: Add them.
9582 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
9583 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
9584 constraints which use those helpers.
9585 (EXTRA_CONSTRAINT): Use this new macro.
9586 * md.texi: Update sparc target constraints documentation.
9587 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
9588 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
9589 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
9590 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
9591 (movsf high/lo_sum split): Rework for new patterns.
9592 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
9594 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9596 * c-common.c (c_common_nodes_and_builtins):
9597 Create __builtin_ptrdiff_t and __builtin_size_t.
9599 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
9601 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
9603 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9605 * regclass.c (globalize_reg): Re-instate test that allows
9606 fixed registers to be declared as a variable even after functions
9609 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9611 * i386.md (cpu attribute): Add "athlon".
9612 (athlon_decode): New attribute.
9613 (Athlon scheduling units definitions): New.
9614 (fcmp and shld patterns): Set athlon_decode to "vector".
9615 * i386.c (athlon_cost): New.
9617 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
9618 x86_use_sahf): Set for Athlon.
9619 (x86_use_fiop): Unset for Athlon.
9620 (override_options): Define Athlon alignments and "athlon" name.
9621 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
9622 * i386.h (TARGET_ATHLON): New.
9623 (enum processor_type): Add PROCESSOR_ATHLON.
9624 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
9626 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
9628 1999-12-09 Andreas Jaeger <aj@suse.de>
9630 * loop.c (record_biv): Declare parameter as int.
9632 * config/i386/i386-protos.h: Declare long_memory_operand.
9634 1999-12-09 Mark Mitchell <mark@codesourcery.com>
9636 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
9637 EXPR_WITH_FILE_LOCATION.
9639 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9641 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
9644 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
9646 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
9649 1999-12-09 Jakub Jelinek <jakub@redhat.com>
9651 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
9652 default on linux64 again.
9653 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
9654 models for multilibing.
9655 * genmultilib: Accept | as alternative separator within a set in
9658 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
9660 * calls.c (precompute_arguments): Make sure initial_value contains
9661 value pseudo which CSE expects.
9662 * cse.c (struct set): New entry orig_src.
9663 (cse_insn): Set it early on entry, use it for libcall EQUIV note
9666 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
9668 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
9670 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9672 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
9674 1999-12-08 Jakub Jelinek <jakub@redhat.com>
9676 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
9677 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
9679 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
9682 * longlong.h: Merge in changes from glibc.
9683 Also don't clobber %g2 register in 32bit SPARC assembly, so that
9684 -mno-app-regs libgcc can be compiled.
9685 * libgcc2.c: Add defines so that the updated longlong.h
9686 can be used in libgcc2.a. Also, make sure on most architectures
9687 (at least on all which have optimized code in longlong.h defined
9688 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
9690 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9692 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
9693 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
9694 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
9696 * configure: Rebuilt.
9698 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
9700 * alpha.c (secondary_reload_class): For !BWX, sub-simode
9701 outputs require a register.
9703 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
9705 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
9706 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
9707 functions like dptoul will be resolved.
9708 (libgcc2.a): Make sure that the object files from DPBIT are named
9709 differently (prefix `_dp') from those that would be coming from
9712 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
9714 * configure.in: When target is sparc* and tm_file contains 64,
9715 test for 64bit support in assembler. If not supported, remove
9716 sparc/t-sol2-64 from target-dependent Makefile fragments.
9717 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
9718 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
9719 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
9720 * acconfig.h (AS_SPARC64_FLAG): Added.
9721 * configure, config.in: Rebuilt.
9722 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
9723 support. Use AS_SPARC64_FLAG.
9725 1999-12-07 Jakub Jelinek <jakub@redhat.com>
9727 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
9728 suitable for holding OFmode values so that gcc works with complex
9730 (hard_64bit_mode_classes): Likewise.
9732 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
9733 so that it is actually matched.
9734 (sethi_di_medlow): Likewise.
9736 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
9737 as legitimate constant if -mvis.
9738 * config/sparc/sparc.md (movtf): Likewise.
9739 (clear_sf): Use const_double_operand.
9740 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
9742 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
9743 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
9744 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
9745 routines, _Qp_* cannot be handled like that now.
9746 (INIT_TARGET_OPTABS): Likewise.
9747 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
9748 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
9749 sparc_emit_float_lib_cmp if ARCH64 and soft float.
9750 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
9751 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
9752 divtf3, sqrttf3): New expanders.
9753 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
9754 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
9755 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
9758 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
9759 * configure: Rebuilt.
9760 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
9761 -mcpu is given and we're doing 64bit compiles.
9763 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
9765 * loop.h (struct induction): Add multi_insn_incr.
9766 * loop.c (basic_induction_var): New multi_insn_incr argument.
9767 Set it if we search back through previous insns for the biv.
9768 (record_biv): New multi_insn_incr argument; fill in struct induction.
9769 (strength_reduce): Discard an iv with multiple bivs, any of
9770 which require multiple insns to increment.
9772 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9774 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
9777 1999-12-06 David S. Miller <davem@redhat.com>
9779 * combine.c (check_promoted_subreg): Do not conditionalize this upon
9780 PROMOTE_FUNCTION_RETURN.
9782 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
9784 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
9785 and handle REG_UNUSED note on insn.
9787 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
9788 inner_mask instead of mask.
9790 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
9792 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
9793 zero if there was an error.
9795 1999-12-06 Jakub Jelinek <jakub@redhat.com>
9797 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
9800 * longlong.h: Fix clobbers in SPARC asm statements.
9802 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
9803 valid sethi operations when TARGET_ARCH64.
9805 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
9806 always use move_by_pieces to avoid infinite recursion.
9807 (restore_fixed_argument_area): Likewise.
9809 * combine.c (check_promoted_subreg, record_promoted_value): New
9811 (combine_instructions): Use them to retain nonzero and sign bit
9812 information after SUBREGs are eliminated by optimizations in
9813 this pass if PROMOTE_FUNCTION_RETURN.
9815 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
9816 .register declaration. Don't use variables with __ prefixes.
9818 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9820 * fold-const.c (optimize_bit_field_compare): Only use one mode
9821 for both RHS and LHS in non-constant case.
9823 1999-12-06 Nathan Sidwell <nathan@acm.org>
9825 * frame.c (start_fde_sort): Only allocate erratic array, if
9826 linear one was allocated. Return allocated flag.
9827 (fde_insert): Only insert, if there's a valid array.
9828 (fde_end_sort): Split, sort and merge if linear and erratic
9829 arrays exist, else just sort linear one.
9830 (search_fdes): New function. Linear search through original fde
9832 (frame_init): Permit multiple initializations. Cope with
9834 (find_fde): Fallback on linear search, if failed to sort array.
9835 (__deregister_frame_info): Only free sorted array, if we
9838 1999-12-06 Jakub Jelinek <jakub@redhat.com>
9840 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
9842 1999-12-05 Jakub Jelinek <jakub@redhat.com>
9844 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
9846 1999-12-05 Mark Mitchell <mark@codesourcery.com>
9848 * tree.h (special_function_p): Declare.
9849 * calls.c (special_function_p): Make it global. Don't take `name'
9850 as a parameter. Fix typo in 1999-11-28 change.
9851 (expand_cal): Adjust.
9853 1999-12-04 Mark Mitchell <mark@codesourcery.com>
9855 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
9856 * tree.h (EXPR_WFL_FILENAME): Define in terms of
9857 EXPR_WFL_FILENAME_NODE.
9858 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
9860 * print-tree.c (print_note): Print TREE_PRIVATE and
9863 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
9864 the original die cannot be found.
9866 * varray.h (varray_head_tag): Add elements_used.
9867 (VARRAY_PUSH): New macro.
9868 (VARRAY_POP): Likewise.
9869 (VARRAY_TOP): Likewise.
9870 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
9872 * varray.c (varray_init): Initialize elements_used.
9873 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
9874 (INTEGRATE_H): New variable.
9875 (integrate.o): Depend on INTEGRATE_H.
9876 (unroll.o): Likewise.
9878 * function.h (insert_block_after_note): Declare.
9879 * function.c (insert_block_after_note): Split out from ...
9880 (retrofit_block): ... here.
9882 * stmt.c (expand_fixup): Fix typo in comment.
9884 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9886 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
9887 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
9888 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
9889 (regmove_optimize, fixup_match_1): Likewise.
9891 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9893 * flow.c (flow_loops_dump): Add missing argument when calling
9896 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
9897 Greg McGary <gkm@gnu.org>
9899 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
9900 (init_attributes): Add A_NO_LIMIT_STACK.
9901 (decl_attributes): Handle A_NO_LIMIT_STACK.
9902 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
9903 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
9904 Handle stack bounds checking.
9905 * flags.h (flag_stack_check): Use the word 'probe' rather than
9906 'check', because the flag doesn't actually cause any checking to
9908 * function.c (expand_function_start): Set
9909 current_function_limit_stack.
9910 * function.h (struct function): Add limit_stack.
9911 (current_function_limit_stack): Define.
9912 * invoke.texi (Code Gen Options): Document new options.
9913 * rtl.h: Declare stack_limit_rtx.
9914 * toplev.c (stack_limit_rtx): New variable.
9915 (decode_f_option): Handle new options -fstack-limit-register=REG,
9916 -fstack-limit-symbol=IDENT, -fno-stack-limit.
9917 (main): Add stack_limit_rtx as GC root.
9918 * tree.h (DECL_NO_LIMIT_STACK): New macro.
9919 (struct tree_decl): New member no_limit_stack.
9921 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
9923 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
9924 (conditional_trap+1): Get new mnemonic correct.
9925 (conditional_trap+2): New pattern for DImode traps.
9927 * config/m68k/m68k.c (output_function_prologue): Handle
9929 * config/m68k/m68k.md (trap): New insn.
9930 (conditional_trap): New insn.
9931 * md.texi (Standard Names): Document `trap' and
9933 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
9934 so a cc0 setter doesn't get emitted at some random place in the
9937 * config/i960/i960.md (trap): New insn.
9938 (conditional_trap): New expander.
9939 (conditional_trap+1, conditional_trap+2): New insns for signed
9941 * config/i960/i960.c (i960_function_prologue): Use
9942 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
9944 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
9945 Geoffrey Keating <geoffk@cygnus.com>
9947 * flags.h (warn_padded, warn_packed): Add global var decls.
9948 * toplev.c (warn_padded, warn_packed): Add global var defns.
9949 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
9950 * stor-layout.c (layout_record): Add local variable `type'
9951 to hold often-used TREE_TYPE (field). Add local variable
9952 `unpacked_align' to hold alignment that would be in force
9953 if no `packed' attribute were present. Warn if `packed' attribute
9954 is unnecessary, or even harmful. Warn when gcc inserts padding
9955 to satisfy alignment requirements of members. Use NULL_TREE
9956 when checking whether var_size is set.
9957 * invoke.texi: Document new flags.
9959 1999-12-03 Nathan Sidwell <nathan@acm.org>
9961 * frame.c (fde_split): Reimplement to avoid variable sized array.
9963 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9965 * combine.c (try_combine): Before fixing up LOG_LINKS for the
9966 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
9968 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
9970 * invoke.texi: Document the mips option -mno-crt0
9972 1999-12-02 Mike Karr <mkarr@mathworks.com>
9974 * cccp.c (argdata): Added free_ptr member.
9975 (macroexpand): Initialize free_ptr of each argument. When an
9976 argument's buffers are freed, if the argument's free_ptr corresponds
9977 to a buffer on the input stack, then return the free_ptr to that stack
9978 frame, otherwise, free it.
9979 (macarg): If an argument begins and ends on the same input stack level,
9980 then transfer the free_ptr of that buffer to the argument in case
9981 the stack is popped during the processing of a subsequent argument.
9983 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
9985 * loop.c (note_reg_stored): New function.
9986 (struct note_reg_stored_arg): New structure.
9987 (try_copy_prop): Change to be more conservative; only replace within
9988 one extended basic block and stop replacing if a store to the
9989 replacement reg is seen.
9991 1999-12-02 Nick Clifton <nickc@cygnus.com>
9993 * config/fp-bit.c: Initialise all fields of the NAN
9996 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
9999 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10001 * i386.md (extend?f?f2): Force the input into a register, not
10004 1999-12-01 Jakub Jelinek <jakub@redhat.com>
10006 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
10008 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
10009 alternative because setting up 64bit constant is usually costly,
10010 especially when reload is in progress or completed.
10011 (movdf_const_intreg_sp64): Likewise.
10012 (movdf_const_intreg split): Fix building up constants when
10013 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
10015 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
10017 * combine.c (if_then_else_cond): Use const_true_rtx instead of
10018 const1_rtx for return values in EQ/NE comparison against (const_int 0)
10021 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
10022 (asm_file_start): Emit .am33 into assembly file when compiling for
10024 (print_operand_address): Handle POST_INC addresses.
10025 (can_use_return_insn, initial_offset): Check AM33 registers too.
10026 (expand_prologue): Check & save AM33 registers too.
10027 (expand_epilogue): Similarly.
10028 (secondary_reload_class): Handle AM33 specific secondary reloads.
10029 (output_tst): Emit efficient code for the AM33 too.
10030 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
10031 (TARGET_SWITCHES): Add -mam33 switch.
10032 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
10033 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
10034 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
10035 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
10036 (enum reg_class, REG_CLASS_NAMES): Likewise.
10037 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
10038 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
10039 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
10040 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
10041 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
10042 (HAVE_POST_INCREMENT): Define.
10043 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
10044 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
10045 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
10046 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
10047 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
10048 (zero_extend to SI from QI/HI): Likewise.
10049 (sign_extend to SI from QI/HI): Likewise.
10050 (mulsidi3, umulsidi3): New patterns for the AM33.
10051 (tstsi with zero extension from QI/HI): Add AM33 variants.
10052 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
10053 (return_internal_regs, store_movm): Handle new AM33 registers.
10054 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
10055 (LIBGCC, INSTALL_LIBGCC): Likewise.
10056 * invoke.texi: Document new flags.
10058 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10060 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
10061 (addsi3_carry): Likewise.
10062 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
10063 (sbbsi3_carry): Likewise.
10064 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
10065 (mulhi3): Likewise.
10066 (test?i_1): Ensure that only one operand is memory.
10067 (conditional move patterns): likewise.
10068 (shift and rotate patterns): Rewrite to expander, add
10069 "binary_operator_ok" to the condition.
10071 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
10072 * i386.h (procesor_costs): Add movzbl_load field.
10073 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
10074 non-Q registers, accept DImode registers anywhere.
10076 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
10077 * i386.c (*_cost): Set value for movxbl_load field.
10079 * (addsi): New add to lea splitter.
10080 (ashlsi): Likewise.
10081 (lea to add/shift peep2): New.
10083 1999-12-01 Mark Salter <msalter@cygnus.com>
10085 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
10086 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
10087 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
10089 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10091 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
10092 * i386.md (movsi_xor): New.
10094 (movsi_1, movhi_1, movqi_1): Remove.
10095 (movsi_2): Rename to movsi_1.
10096 (movhi_2): Rename to movhi_1.
10097 (movqi_2): Rename to movqi_1.
10098 (movdi_1): Remove; remove splitter.
10099 (movdi_2): Rename to movdi_1.
10100 (divmodsi4 splitter): Do not emit clobbers for move patterns.
10101 (long move peep2): Do not create QI or HI mode mov0s
10102 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
10104 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
10107 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
10108 (abs?f2_if): Likewise.
10110 1999-11-30 Alex Samuel <samuel@codesourcery.com>
10112 * ggc.h (ggc_test_and_set_mark): New macro.
10113 (ggc_mark_rtx): Use ggc_test_and_set_mark.
10114 (ggc_mark_tree): Likewise.
10115 (ggc_mark_rtvec): Likewise.
10116 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
10118 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
10120 * dwarf2out.c (scope_die_for): Only handle types. Only search for
10122 (decl_scope_table): Just an array of trees now.
10123 (push_decl_scope): Simplify.
10124 (dwarf2out_init): Adjust.
10125 (local_scope_p): New fn.
10126 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
10127 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
10128 (gen_typedef_die): Likewise.
10129 (gen_lexical_block_die): Don't call push/pop_decl_scope.
10130 (gen_inlined_subroutine_die): Likewise.
10131 (gen_abstract_function): Set current_function_decl temporarily.
10132 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
10133 Handle block extern declarations. Don't call push/pop_decl_scope.
10134 (gen_decl_die): Fix logic for block externs.
10136 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10138 * calls.c (special_function_p): Remove `realloc' and add `strdup'
10139 to the list of functions which have attribute malloc by default.
10141 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10143 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
10144 integer constant does not match the traditional type, limit the
10145 warnings to cases where the base of the type is ten.
10147 * invoke.texi (-Wtraditional): Document it.
10149 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10151 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
10152 * rs6000.md: Only access a CONST_INT with INTVAL
10154 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
10156 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
10157 (compute_nearerout): Likewise.
10158 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
10159 size_t to unsigned long for formatting.
10161 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10163 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
10164 Allow the user to override call-used/fixed state of %g2-5
10165 registers from the command line (with the exception of %g4 for
10167 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
10168 there is a higher chance of having a leaf function.
10169 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
10170 for ARCH64 which has %ccr register.
10171 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
10173 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
10174 insn accept into delay slot any insn which does not use %[ol]
10175 registers. Accept some LO_SUM and shift left by 1 for the normal
10177 (output_function_epilogue): Likewise.
10178 (epilogue_renumber): Added argument which inhibits any renumbering
10179 and just tests if the rtx does not use any %[ol] registers.
10180 (output_return): Reflect above change.
10182 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10184 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
10185 aggregate passing for sizes <= 16 bytes.
10187 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
10189 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
10190 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
10191 * reload.c (find_dummy_reload): Likewise.
10192 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
10193 * reload1.c (reload_as_needed): Likewise.
10194 * stupid.c (stupid_find_reg): Likewise.
10195 * tm.texi (Obsolete Register Macros): Delete section.
10196 * gmicro.h: Remove all traces of the two macros.
10197 * i386.h: Likewise.
10198 * m88k.h: Likewise.
10199 * mips.h: Likewise.
10201 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
10203 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
10204 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
10205 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
10206 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
10207 units for the sparclite86x chip.
10208 (flush): Revert October 14th change; add SImode specifically.
10209 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
10210 * invoke.texi: Document it.
10212 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
10214 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
10215 psimode_truncation_operand.
10217 * config/mn10200/mn10200.c (psimode_truncation_operand): New
10218 function. Return true if the operand is either a MEM valid
10219 for a PSImode address or not a MEM at all.
10221 * config/mn10200/mn10200.md (truncsipsi2): Use
10222 psimode_truncation_operand.
10224 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10226 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
10227 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
10228 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
10229 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
10230 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
10231 (flow_loop_level_compute, low_loops_level_compute): Likewise.
10232 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10233 * basic-block.h: Protect from multiple inclusion.
10234 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
10235 (struct loops, struct loop): Define structures.
10236 * sbitmap.c (sbitmap_a_subset_b_p): New function.
10237 * sbitmap.h: Protect from multiple inclusion.
10238 (sbitmap_a_subset_b_p): Add prototype.
10239 * Makefile.in (LOOP_H): New macro.
10240 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
10242 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
10244 * cppinit.c (CAT): The argument list of this macro may not contain
10247 1999-11-29 David S. Miller <davem@redhat.com>
10249 Move quantity tables and register equivalence chains into
10250 per-qty and per-register structure arrays respectively.
10251 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
10252 qty_const_insn, qty_comparison_code, qty_comparison_const,
10253 qty_comparison_qty): Delete, replace with...
10254 (qty_table): this structure table.
10255 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
10256 (reg_eqv_table): this structure table.
10257 (make_new_qty): Add argument MODE. Caller updated.
10258 Update to use qty_table and reg_eqv_table.
10259 (make_regs_eqv, delete_reg_equiv, insert_regs,
10260 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
10261 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
10262 cse_process_notes, cse_main, cse_basic_block): Likewise.
10264 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10266 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
10267 operation if C is negative.
10268 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
10269 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
10270 law for some divisions if constant is negative and change other
10271 divisions to the opposite rounding.
10273 * expr.c (store_constructor_field): If bit position is not multiple
10274 of alignment of TARGET's mode, use BLKmode.
10276 * expr.c (expand_expr_unaligned): Add more code from full case
10277 that is needed when OP0 is in a register.
10279 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10281 * dwarfout.c (field_byte_offset): Size can be zero if there was
10284 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10286 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
10287 (associate_trees): Delete unused var TEM.
10288 (extract_muldiv): Delete unused var CANCEL_P.
10290 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
10291 (target_isinf, target_isnan, target_negative): Add return types to
10292 function definitions.
10294 1999-11-29 Bruce Korb <autogen@linuxbox.com>
10296 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
10297 * fixinc/hackshell.tpl: ditto
10298 * fixinc/fixtests.c(double_slash_test): more C++ header testing
10299 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
10301 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10303 * reload.c (push_reload): When looking for a register to put into
10304 reg_rtx, make sure all hard regs in a multi-reg register are in the
10305 right class and nonfixed.
10307 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
10308 pending_read_insns, pending_write_insns, pending_read_mems,
10309 pending_write_mems, pending_list_length, last_pending_memory_flush,
10310 last_function_call, sched_before_next_call): Move static variables
10312 (bb_ prefixed versions): Replace with single array bb_deps.
10313 (struct deps): New structure.
10314 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
10315 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
10316 argument of type "struct deps *"; use that instead of global
10317 variables. All callers changed.
10318 (init_rgn_data_dependencies): Delete function.
10319 (init_rtx_vector): Delete function.
10320 (init_deps): New function.
10322 (free_pending_lists): Simplify, we always use the bb_deps array even
10323 if only one basic block.
10324 (compute_block_backward_dependences): Likewise.
10325 (schedule_region): Likewise.
10327 (propagate_deps): New function, broken out of
10328 compute_block_backward_dependences.
10329 (compute_block_backward_dependences): Use it.
10331 * alpha.md: Delete useless patterns that tried to work around
10332 register elimination problems.
10334 * unroll.c (loop_iterations): Don't abort if iteration variable
10337 From Joern Rennecke:
10338 * reload1.c (reloads_conflict): Reverse test comparing operand
10339 numbers when testing for conflict between output/outaddr reloads.
10341 1999-11-29 David S. Miller <davem@redhat.com>
10343 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
10345 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
10347 1999-11-28 Robert Lipe <robertl@cygnus.com>
10349 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
10350 table from .fini into .dtor.
10352 1999-11-28 Anthony Green <green@cygnus.com>
10354 * tree.h (struct tree_decl): Add malloc_flag.
10355 (DECL_IS_MALLOC): Define.
10356 * c-common.c (attrs): Add A_MALLOC attribute.
10357 (init_attributes): Add this attribute to the table.
10358 (decl_attributes): Handle malloc attribute.
10359 * calls.c (special_function_p): Check for the malloc attribute.
10360 * extend.texi (Function Attributes): Document malloc attribute.
10362 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
10364 * pa.md (reload shift-add patterns): Remove.
10366 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10368 * reorg.c (dbr_schedule) Print more statistics. Corrected
10369 problem when printing info when 3 delay slots are filled.
10371 1999-11-28 Jakub Jelinek <jakub@redhat.com>
10373 * combine.c (setup_incoming_promotions): Pass an outgoing
10374 regno to FUNCTION_ARG_REGNO_P which it expects.
10376 1999-11-28 Andreas Jaeger <aj@suse.de>
10378 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
10380 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
10382 * cccp.c (do_include): Avoid initialization of automatic variable.
10384 * integrate.c (mark_stores): Function definition made void, to match
10385 previous declaration.
10386 * regclass.c (dump_regclass): Ditto.
10387 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
10389 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10391 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
10392 known to be multiple of divisor.
10394 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
10396 * combine.c (try_combine): Add code to try to merge a set of a
10397 two-word pseudo to a constant with a setting of one of those words
10400 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
10401 (split_tree): Completely rework to make more general.
10402 (make_range, fold): Call negate_expr.
10403 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
10404 (fold, associate): Call new split_tree and associate_trees.
10405 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
10407 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
10409 * loop.c (try_copy_prop): Avoid GNU C extension.
10411 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10413 * except.c (init_eh_for_function): Still zero eh_return_context,
10414 eh_return_stack_adjust, and eh_return_handler.
10416 * except.h (eh_status): Adjust documentation for x_protect_list.
10417 (begin_protect_partials): New function.
10418 * except.c (enqueue_eh_entry): Fix formatting.
10419 (get_first_handler): Add consistency check.
10420 (add_partial_entry): Adjust usage of protect_list.
10421 (emit_cleanup_handler): Save and restore ehqueue.
10422 (expand_start_all_catch): Add comment.
10423 (begin_protect_partials): New function.
10424 (end_protect_partials): Adjust usage of protect_list.
10425 (init_eh_for_function): Use xcalloc.
10427 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10429 * c-common.c (check_format_info): Don't call a variadic function
10430 with a non-literal format string.
10432 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
10434 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
10435 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
10438 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
10441 * collect2.c (collect_wait): Likewise.
10443 * dbxout.c (dbxout_type): Likewise.
10445 * gcc.c (do_spec_1): Likewise.
10447 * genemit.c (gen_insn, gen_expand): Likewise.
10449 * genrecog.c (write_switch, write_subroutine): Likewise.
10451 * mips-tfile.c (catch_signal, botch): Likewise.
10453 * print-rtl.c (print_rtx): Likewise.
10455 * toplev.c (default_print_error_function, report_error_function,
10456 _fatal_insn): Likewise.
10458 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10460 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
10462 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10464 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
10465 operations when needed.
10466 * i386.md (fop_?f_comm): New.
10467 (fop_?f_1): Do not accept commutative operands.
10469 1999-11-25 Andreas Jaeger <aj@suse.de>
10471 * config/mips/mips.md (casesi_internal): Add missing brace.
10473 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
10475 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
10476 (splice_child_die): Handle moving a child DIE from the declaration
10477 DIE of a class to its specification.
10478 (gen_struct_or_union_type_die): Use 'complete' consistently.
10479 (gen_decl_die): Generate the virtual context DIE first.
10480 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
10482 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
10484 * config/mips/mips.md (call_value_multiple_interanal1): New.
10486 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
10488 * dwarf2out.c (free_AT, free_die): New fns.
10489 (remove_children): Call them.
10490 (output_line_info): Disable removal of duplicate notes.
10492 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
10493 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
10494 means pretend the type isn't defined.
10495 Don't defer emitting types.
10496 (gen_type_die_for_member): New fn.
10497 (gen_decl_die): Call it.
10498 (splice_child_die): New fn.
10499 (gen_member_die): Call it rather than generate duplicate dies.
10501 Defer emitting information for the abstract instance of an inline
10502 until we either inline it or emit an out-of-line copy.
10503 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
10504 from output_inline_function if DECL_ABSTRACT is also set.
10505 (block_ultimate_origin): Likewise.
10506 (gen_abstract_function): New fn.
10507 (gen_decl_die, gen_inlined_subroutine_die): Call it.
10508 (gen_subprogram_die): An abstract instance is not a declaration
10509 just because it doesn't match current_function_decl. Don't abort
10510 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
10511 has an abstract origin.
10512 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
10513 abstract instance here.
10515 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
10517 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
10518 where we need to reload fpul from a system register.
10520 1999-11-24 Andreas Jaeger <aj@suse.de>
10522 * config/mips/linux.h (CPP_PREDEFINES): Added.
10523 (LINK_SPEC): Remove -Y since this is only needed on sparc.
10525 1999-11-24 Andreas Jaeger <aj@suse.de>
10527 * config/mips/linux.h (TARGET_VERSION): Added.
10528 (HANDLE_SYSV_PRAGMA): Added.
10529 (DEFAULT_VTABLE_THUNKS): Added.
10531 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10533 * local-alloc.c (qty): New structure and static variable.
10534 (qty_phys_reg): Remove, all references changed to qty.
10535 (qty_n_refs): Likewise.
10536 (qty_min_class): Likewise.
10537 (qty_birth): Likewise.
10538 (qty_death): Likewise.
10539 (qty_size): Likewise.
10540 (qty_mode): Likewise.
10541 (qty_n_calls_crossed): Likewise.
10542 (qty_alternate_class): Likewise.
10543 (qty_changes_size): Likewise.
10544 (qty_first_reg): Likewise.
10545 (alloc_qty): Rename variable QTY to QTYNO.
10546 (finf_free_reg): Likewise.
10547 (local_alloc): Allocate qty, do not allocate the removed variables.
10549 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
10551 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
10552 when -membedded-pic is passed.
10554 * config/mips/mips.md (casesi): Handle 64-bit case too.
10555 (casesi_internal_di): New insn.
10557 * config/mips/mips.c (embedded_pic_offset): Always make the
10558 embedded-pic subtractions relative to the name of the current
10559 function by use of the magic string "..CURRENT_FUNCTION".
10560 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
10562 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
10564 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
10565 of (const_int 0), when what we really care about is
10566 whether it's a zero constant anyway.
10567 (div_trap_mips16): Likewise.
10569 1999-11-23 Mark Mitchell <mark@codesourcery.com>
10571 * loop.c (loop_optimize): Always find_loop_tree_blocks and
10572 unroll_block_trees when generating debuggable code.
10574 * tree.h (unsave_expr_1): New function.
10575 (lang_unsave): New variable.
10576 (get_callee_fndecl): New function.
10577 * tree.c (unsave_expr_now_r): New function.
10578 (lang_unsave): Define.
10579 (unsave_expr_1): Likewise.
10580 (unsave_expr_now_r): Split out from unsave_expr_now.
10581 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
10582 call unsave_expr_now_r.
10583 (get_callee_fndecl): Define.
10585 * Makefile.in (gencheck): Don't depend on lang_tree_files.
10586 (gencheck.o): Do depend on lang_tree_files.
10588 * integrate.h (copy_decl_for_inlining): New declaration.
10589 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
10590 (copy_decl_for_inlining): New function.
10591 (integrate_parm_decls): Use it.
10592 (integrate_decl_tree): Likewise.
10594 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
10596 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
10597 the second two from the first.
10598 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
10599 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
10600 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
10602 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
10603 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
10606 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
10608 * pa.md (call_internal_symref, call_value_internal_symref): No mode
10609 needed on the address operand.
10610 * pa.c (call_operand_address): Check for the correct mode.
10612 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
10614 * loop.c: Include "basic-block.h".
10615 (try_copy_prop, replace_loop_reg): New functions.
10616 (load_mems): Detect registers that just hold copies of the hoisted
10617 mem, and call try_copy_prop to eliminate them.
10618 * Makefile.in (loop.o): Update dependencies.
10620 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
10622 * Makefile.in (gencheck.o): Depend on gencheck.h.
10623 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
10624 (insn-peep.o): Depend on except.h and function.h.
10625 (insn-attrtab.o): Depend on RECOG_H.
10626 (insn-output.o): Depend on toplev.h and flags.h.
10627 (gengenrtl.o): Depend on real.h.
10628 (gen-protos.o): Depend on cpplib.h and cpphash.h.
10629 Unify all dependencies to be on RECOG_H rather than recog.h.
10631 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10633 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
10634 * configure.in: Try building a bi-arch 32/64-bit compiler on
10635 sparc-*-solaris2.7 and higher.
10636 * configure: Rebuild.
10638 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
10640 * config/freebsd.h: New, FreeBSD architecture independent file.
10641 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
10642 independent pieces.
10643 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
10644 directly by i386/freebsd.h.
10645 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
10646 independent configuration file.
10647 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
10648 directly by i386/freebsd.h.
10649 * configure: Rebuilt.
10651 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
10652 which is in the user's namespace.
10653 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
10654 `i386' which is not in our namespace.
10656 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
10658 * invoke.texi (ARM Options): Add in -mno-alignment-traps
10660 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
10662 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
10663 (add_dwarf_attr, add_child_die): Just push onto the front.
10664 (reverse_die_lists): New fn.
10665 (add_sibling_attributes): Use it.
10666 (push_decl_scope): Reorganize.
10667 (add_name_and_src_coords_attributes): Don't set file and line for
10668 an artificial decl.
10669 (gen_subprogram_die): An artificial function doesn't need to match
10671 (gen_compile_unit_die): Return the generated die. Only add
10672 AT_comp_dir if the filename is relative.
10673 (remove_AT): Simplify loop. Also free string values.
10674 (output_die): A DIE ref can't be null.
10675 (output_value_format, value_format): Take a dw_attr_ref.
10676 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
10677 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10678 AT_addr, AT_lbl): New fns.
10679 (various): Use them.
10680 (various): Constify.
10682 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10684 * combine.c (combine_simplify_rtx): When handling a SUBREG,
10685 take SUBREG_WORD into account.
10686 (if_then_else_cond): Likewise.
10688 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
10690 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
10691 clause from BSD license, pursuant with
10693 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
10695 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
10697 * loop.c (load_mems): Reformat slightly.
10698 * basic-block.h (regset_head): New typedef.
10699 (INIT_REG_SET): New macro.
10701 1999-11-22 Bruce Korb <autogen@linuxbox.com
10703 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
10704 (mips-dec-bsd*): non-functional code
10705 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
10707 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
10708 added three replacement fixes
10709 (no_double_slash): removed comments that are not (any longer) pertinent
10710 (bad_lval): this fix currently runs against many files.
10711 The comment seems to indicate that we should select for files
10712 containing 'pragma extern_prefix'.
10714 * fixinc/fixinc.x86-linux-gnu: deleted
10715 * fixinc/inclhack.sh: regen
10716 * fixinc/fixincl.x: regen
10717 * fixinc/fixincl.sh: regen
10719 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
10721 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
10722 its code is INSN and it has no notes.
10724 1999-11-22 Andrew Haley <aph@cygnus.com>
10726 * varasm.c (function_defined): Remove.
10727 (make_function_rtl): Don't set function_defined.
10728 (make_decl_rtl): Remove global register warning.
10729 * regclass.c (no_global_reg_vars): New variable.
10730 (globalize_reg): Warn if function has already been defined.
10731 (regclass_init): Set no_global_reg_vars.
10733 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10735 * regclass.c (reg_pref): New structure and static variable
10736 (prefclass): Delete.
10737 (altclass): Delete.
10738 (all uses of prefclass and altclass): Use reg_pref instead.
10740 1999-11-21 Nick Clifton <nickc@cygnus.com>
10742 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
10744 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
10745 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
10746 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
10748 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
10750 * varasm.c (output_constructor): Solve problem with long long
10751 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
10753 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10755 * global.c (allocno): New structure and static variable.
10756 (allocno_reg): Remove, all references replaced by allocno.
10757 (allocno_size): Likewise.
10758 (hard_reg_conflicts): Likewise.
10759 (hard_reg_preferences): Likewise.
10760 (hard_reg_copy_preferences): Likewise.
10761 (hard_reg_full_preferences): Likewise.
10762 (regs_someone_prefers): Likewise.
10763 (allocno_calls_crossed): Likewise.
10764 (allocno_n_refs): Likewise.
10765 (allocno_live_length): Likewise.
10766 (find_reg): Rename ALLOCNO to NUM.
10768 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
10769 references updated.
10770 (may_move_out_cost): New variable.
10771 (init_reg_sets_1): Initialize may_move_out_cost.
10772 (record_reg_classes): Use may_move_out_cost.
10774 * regclass.c (dump_regclass): New function.
10775 (regclass): New parameter DUMP, call DUMP_REGCLASS.
10776 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
10777 pass rtl_dump_file to regclass.
10778 * rtl.h (regclass): Update prototype.
10780 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10782 * i386.md (neg, not and abs patterns): Revmap to use
10783 ix86_expand_unary_operator and ix86_unary_operator_ok.
10784 (add?f and sub?f expanders): Force operand 1 to register.
10785 * i386.c (ix86_expand_unary_operator): Rewrite.
10786 (ix86_unary_operator_ok): Ensure that memory operands
10788 (ix86_binary_operator_ok): Do not allow operand 1 to
10789 come into memory and operand 0 not.
10790 (ix86_expand_binary_operator): Ensure that
10791 src1 is not non-matching memory.
10793 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
10794 to support integer registers and memory.
10795 (abss?2_integer): Likewise.
10797 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
10798 (REG_CLASS_NAMES): Likewise.
10799 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
10801 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
10802 (movsf): Likewise; unify 4th and 5th alternative.
10803 (pushdf): Likewise.
10804 (movdf_1): Likewise; rename to movdf_integer.
10805 (pushxf): Likewise; rename to pushxf_integer; fix output template;
10806 remove redundant splitter.
10807 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
10808 (movdf_nointeger): New.
10809 (movxf_nointeger): New.
10810 (pushxf_nointeger): New.
10812 * i386.md (extend?f?f): Split to expander and pattern, refuse two
10813 memory operands in patterns.
10814 (fop*): Refuse two memory operands.
10816 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
10817 on !TARGET_USE_CLTD CPUs.
10819 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
10821 * extend.texi: Document C++ restricted pointers and references.
10823 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
10825 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
10826 (invalidate_skipped_set): Call it unconditionally.
10827 (cse_set_around_loop): Likewise.
10829 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10831 * rtl.texi (mem): Add documentation for alias-set argument
10834 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10836 * i386.h (struct_processor_costs): New fields int_load, int_store,
10837 fp_move, fp_load and fp_store
10838 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
10840 (MEMORY_MOVE_COST): New macro.
10841 * i386.c (386_cost): Define new fields.
10842 (i486_cost): Likewise.
10843 (pentium_cost): Likewise.
10844 (pentiumpro_cost): Likewise.
10845 (k6_cost): Likewise.
10847 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
10848 Geoffrey Keating <geoffk@cygnus.com>
10850 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
10852 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
10855 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
10856 (TARGET_STRICT_ALIGNMENT): New macro.
10857 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
10858 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
10859 * invoke.texi (M680x0 Options): Document -mstrict-align.
10861 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
10862 Richard Henderson <rth@cygnus.com>
10864 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
10865 (ix86_split_long_move): Declare.
10866 * i386.c (split_xf, ix86_split_movdi): Remove.
10867 (ix86_split_to_parts, ix86_split_long_move): New.
10868 * i386.md (dimode move splitters): Use ix86_split_long_move.
10869 (dfmode move splitters): Likewise.
10870 (xfmode move splitters): Likewise.
10871 (movsf_1): Allow F->r.
10872 (movdf_1, movxf_1): Allow F->ro.
10874 1999-11-17 Mark Mitchell <mark@codesourcery.com>
10876 * except.h (struct eh_entry): Add goto_entry_p.
10877 (eh_region_from_symbol): Remove prototype.
10878 * except.c (find_func_region_from_symbol): New function.
10879 (emit_cleanup_handler): Likewise.
10880 (eh_region_from_symbol): Make it static.
10881 (add_new_handler): Verify the argument.
10882 (find_func_region): Update comment.
10883 (expand_eh_region_end): Expand handlers here, rater than waiting
10884 until expand_leftover_cleanups or start_all_catch.
10885 (expand_leftover_cleanups): Don't expand here.
10886 (expand_start_all_catch): Or here.
10887 (expand_rethrow): Check the return value from find_func_region.
10888 * function.c (expand_function_end): Emit the catch_clauses.
10890 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
10892 * integrate.c (expand_inline_function): Add necessary check for NULL.
10894 1999-11-18 Nick Clifton <nickc@cygnus.com>
10896 * toplev.c (main): Correctly detect an unrecognised option.
10898 * cppinit.c (cpp_handle_option): Do not claim to have consumed
10899 a -f option if it has not been recognised.
10901 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
10903 * basic-block.h (update_life_extent): Remove trailing comma on
10904 enumeration type list.
10906 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10908 * varasm.c (output_constructor) Solved problem with long long
10909 bitfields. Corrected calculating this_time and shift. Also
10910 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
10912 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
10914 * flow.c (split_edge): Take looping structure into account when
10915 determining where to put the new block note.
10917 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
10919 * Makefile.in (ggc-none.o): Provide host specific version if
10922 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
10924 * cse.c (delete_trivially_dead_insns): Identify no-op insns
10925 containing subregs too.
10927 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10929 * invoke.texi: Add documentation for -muninit-const-in-rodata.
10930 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
10931 (TARGET_UNINIT_CONST_IN_RODATA): Define.
10932 (text_section): Add switches -munint-const-in-rodata and
10933 -mno-uninit-const-in-rodata.
10934 (ASM_OUTPUT_COMMON): Remove.
10935 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
10936 const objects should be placed in read-only data. Otherwise declare
10939 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
10941 * jump.c (jump_optimize_1): Revert last change.
10943 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
10945 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
10946 test if optimizing for size.
10948 1999-11-17 Mark Mitchell <mark@codesourcery.com>
10950 * Makefile.in (toplev.o): Depend on except.h.
10951 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
10953 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10955 * i386.md (divmodsi4): Rewrite to expander.
10956 (*divmodsi4_nocltd): New.
10957 (*divmodsi4_cltd): New.
10958 (divmodsi4 splitter): Handle the case when input comes in edx.
10959 (udivmodhi4): Do not use constraints in exander.
10960 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
10962 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
10964 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
10965 for the common case.
10967 1999-11-16 Jakub Jelinek <jakub@redhat.com>
10969 * explow.c (hard_function_value): Add outgoing argument.
10970 * expr.h (hard_function_value): Declare it.
10971 * calls.c (expand_call, emit_library_call_value): Update callers.
10972 * function.c (aggregate_value_p): Ditto.
10973 (diddle_return_value): Must look at the outgoing registers
10974 on archs with register windows.
10976 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
10978 * alpha.c (alpha_build_va_list): Use make_lang_type and
10979 initialize TYPE_NAME for the va_list record.
10981 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
10983 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
10985 * ggc.h (struct ggc_statistics): Rearrange elements for better
10986 packing on 64-bit hosts.
10987 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
10988 (compute_nearerout): Likewise.
10990 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
10992 * config/rs6000/rs6000.c (first_reg_to_save): Save
10993 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
10995 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
10997 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
10998 notion of nesting to find the DIE for a type or function.
10999 DIEs can go in limbo even if we got a context_die.
11000 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
11001 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
11003 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
11004 (gen_type_die): Writing out the context doesn't cause member class
11005 template instantiations to be written out as well.
11007 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
11009 * rs6000.h (ASM_OUTPUT_DEF): New.
11010 Based on proposed addition from David Edelsohn.
11012 1999-11-15 Robert Lipe <RobertLipe@usa.net>
11013 Bruce Korb <autogen@linuxbox.com>
11015 * fixinc/inclhack.def
11016 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
11017 (unixware7_byteorder_fix): added. Removes conflicts for new defs
11019 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
11020 (svr4_endian): enabled with SVR5
11021 (svr4_mkdev): simplified syntax and enabled with SVR5
11023 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
11025 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
11026 * configure: Rebuilt.
11027 * config/t-freebsd-thread: New file.
11029 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
11031 * i386.c (ix86_decompose_address): Verify the base is a REG
11032 before trying to examine its register number.
11034 * basic-block.h: Remove all #defines and prototypes related to
11036 (free_bb_mem, compute_preds_succs): Remove prototype.
11037 * rtl.h (free_bb_mem): Remove prototype.
11038 * flow.c (alloc_int_list_node); Remove function.
11039 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
11040 (compute_preds_succs, free_bb_mem): Likewise.
11041 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
11042 * toplev.c (rest_of_compilation): Likewise.
11043 * haifa-sched.c (build_control_flow): Use flow generated edge
11044 list to build the haifa specific edge list.
11045 (find_rgns): Use new CFG data structures instead of pred/succ lists.
11046 (schedule_insns): Do not build pred/succ lists anymore. Instead
11047 build the edge table.
11049 * basic-block.h (dump_bb_data): Remove declaration.
11050 * flow.c (dump_bb_data): Remove function.
11051 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
11052 (sbitmap_union_of_predsucc): Likewise.
11054 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
11055 argument. All callers changed.
11056 (delete_null_pointer_checks_1): No longer need to compute the
11059 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
11060 All callers changed.
11061 (pre_expr_reaches_here_p_work): Likewise.
11062 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
11063 * lcm.c (compute_laterin): Fix initialization of LATER.
11064 (compute_nearerout): Similarly for NEARER.
11066 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11068 * cse.c (set_nonvarying_address_components): Delete unused function.
11069 (refers_to_p): Likewise.
11071 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
11073 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
11076 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11078 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
11079 definition in do while (0).
11081 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
11083 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
11085 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
11087 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
11089 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11091 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
11092 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
11093 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
11094 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
11096 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
11097 saved on the stack. Output more accurate stack frame statistics
11098 into assembler file.
11100 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
11102 * genextract.c (record_insn_name): New function.
11103 (get_insn_name): No longer a stub.
11104 (main): Call record_insn_name for each insn. After each label
11105 written, print the insn name in a comment.
11107 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11109 * output.h (const_section, init_section, fini_section): Add
11112 * alpha/elf.h (const_section): Delete declaration.
11114 * svr4.h (const_section): Likewise.
11116 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
11118 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
11119 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
11120 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
11122 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
11123 variable-sized array bounds.
11125 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
11127 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
11130 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11132 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
11133 addresses the same way GO_IF_LEGITIMATE_INDEX does.
11135 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11137 * cse.c (hash_arg_in_struct): Delete.
11138 (struct table_elt): Delete elt in_struct.
11139 (struct set): Delete elt src_in_struct.
11140 (merge_equiv_classes): Don't set either hash_arg_in_struct or
11141 the corresponding in_struct elts.
11142 (canon_hash): Likewise.
11143 (safe_hash): Likewise.
11144 (find_best_addr): Likewise.
11145 (record_jump_cond): Likewise.
11146 (cse_insn): Likewise.
11148 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
11150 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
11152 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
11155 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
11157 * function.c (diddle_return_value): Put back check that the DECL_RTL
11158 for the function is a register.
11160 * function.c (diddle_return_value): Use hard_function_value to
11161 get an rtx suitable for use in the USE/CLOBBER insn.
11163 * global.c (global_conflicts): Update comments.
11164 (record_conflicts): No need to record conflicts between pseudos here.
11166 1999-11-11 Bruce Korb <autogen@linuxbox.com>
11168 * fixinc/fixincl.c: Added verbose levels for status messages
11170 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11172 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
11173 operand as argument to expand_and or expand_binop.
11175 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
11177 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
11178 gcc_add_string_root.
11180 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
11182 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
11184 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
11186 * flow.c (compute_flow_dominators): Initially put all blocks on
11188 * lcm.c (compute_antinout_edge, compute_available): Similarly.
11189 * gcse.c (compute_cprop_avinout): Remove.
11190 (compute_cprop_data): Use compute_available.
11191 (delete_null_pointer_checks_1): Use compute_available.
11193 * basic-block.h (compute_available): Returns a void now.
11194 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
11195 to return a value anymore.
11196 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
11197 worklists. Fix boundary cases. Compute maximal solutions.
11198 (compute_laterin, compute_nearerout): Similarly.
11200 * dwarf2out.c (add_AT_location_description): Allow
11201 (mem (plus (pseudo) (...)) too.
11203 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
11205 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
11207 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
11208 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11210 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
11212 * gansidecl.h: Likewise.
11218 * toplev.h: Likewise.
11220 * tree.c: Likewise.
11222 * tree.h: Likewise.
11224 * varray.c: Likewise.
11226 * varray.h: Likewise.
11228 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
11230 * gcov.c (struct arcdata): Add hits and total, remove prob.
11231 (output_branch_counts): New.
11232 (process_args): Set output_branch_counts if -c.
11233 (calculate_branch_probs): Store hits and total instead of
11235 (output_data): Emit counts if output_branch_counts is true.
11236 * gcov.texi (Invoking Gcov): Document -c switch..
11238 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
11240 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
11241 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
11243 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
11245 * invoke.texi (C Dialect Options): Add missing builtins from
11246 c-common.c to list.
11247 * extend.texi (Other Builtins): Copy to this list.
11249 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11251 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
11252 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
11253 redundant bitmap.h.
11255 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
11257 * flow.c (compute_flow_dominators): No longer treat basic block 0
11258 or (n_basic_blocks - 1) specially. Clear the AUX field before
11259 starting computation of doms/pdoms. Fix initial state for pdoms.
11261 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11263 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
11264 match rtl.o's: added ggc.h and toplev.h
11265 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
11266 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
11267 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
11269 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
11271 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
11272 from HAVE_DOS_BASED_FILESYSTEM.
11273 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
11274 HAVE_DOS_BASED_FILESYSTEM.
11276 (split_directories): Only special-case DOS file names if
11277 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
11278 instead of explicit tests. Conditionalize on !VMS.
11279 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
11280 tests. Conditionalize on !VMS.
11281 (process_command): Only use make_relative_prefix if !VMS.
11282 (free_split_directories): Conditionalize on !VMS.
11283 (DIR_UP): Conditionalize on !VMS.
11285 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
11287 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
11289 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
11291 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
11294 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
11296 * invoke.texi (Environment Variables): Document relative path
11298 * gcc.c (DIR_UP): If not defined, define as "..".
11299 (standard_bindir_prefix): New static, holds target location to
11301 (split_directories): New function to split a filename into
11302 component directories.
11303 (free_split_directories): New function, release memory allocated
11304 by split_directories.
11305 (make_relative_prefix): New function, make a relative pathname if
11306 the compiler is not in the expected location.
11307 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
11308 can figure out an appropriate prefix from argv[0].
11309 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
11310 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
11311 STANDARD_BINDIR_PREFIX.
11313 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11315 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
11317 * config/c4x/c4x.h: Moved prototypes to c4x.h.
11318 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
11319 c4x_secondary_memory_needed) Delete.
11320 (fp_zero_operand): Add mode argument.
11322 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
11324 * reload1.c (reload_reg_free_for_value_p): Don't use a register
11325 that is in reload_reg_used.
11327 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
11329 * config/arm/arm-protos.h: New file: Prototypes for functions
11330 defined in arm.c and pe.c.
11331 * config/arm/arm.h: Fix compile time warnings.
11332 * config/arm/arm.c: Fix compile time warnings.
11333 * config/arm/pe.h: Fix compile time warnings.
11334 * config/arm/aout.h: Fix compile time warnings.
11336 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
11338 * config/m32r/m32r-protos.h: New file: Prototypes for functions
11341 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
11342 Add support for subtargets.
11343 Add prototypes for new predicates.
11344 Add scheduling macros.
11346 * config/m32r/m32r.c: Fix compile time warnings.
11347 (int8_operand): New predicate function.
11348 (reg_or_cmp_int16_operand): New predicate function.
11349 (extend_operand): New predicate function.
11350 (m32r_adjust_code): New scheduling function.
11351 (m32r_adjust_priorty): New scheduling function.
11352 (m32r_sched_init): New scheduling function.
11353 (m32r_sched_reorder): New scheduling function.
11354 (m32r_sched_variable_issue): New scheduling function.
11355 (direct_return): New codegen function.
11356 (m32r_not_same_reg): New rtl testsing function.
11358 * config/m32r/m32r.md: Fix compile time warnings.
11359 Add support for pre decrement and post increment memory
11361 Add S<cc> patterns.
11364 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11366 * global.c (EXECUTE_IF_CONFLICT): Don't define.
11367 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
11368 (find_reg): Likewise.
11370 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
11372 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
11373 to avoid assembler errors.
11375 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
11377 * config/v850/v850-protos.h: New file: Prototypes for functions
11379 * config/v850/v850.h: Move prototypes to v850-protos.h
11380 * config/v850/v850.c: Move prototypes to v850-protos.h
11381 * config/v850/v850.md: Fix compile time warnings.
11383 * config/fr30/fr30-protos.h: New file: Prototypes for functions
11385 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
11386 * config/fr30/fr30.c: Fix compile time warnings.
11387 * config/fr30/fr30.md: Fix compile time warnings.
11389 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
11391 * tree.h (get_containing_scope): Declare it.
11392 * tree.c (get_containing_scope): New fucntion.
11393 (decl_function_context): Use it.
11394 * toplev.c (rest_of_compilation): Use get_containing_scope.
11396 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11398 * Makefile.in (rtl.o): Depend on toplev.h.
11400 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
11402 * cse.c (delete_trivially_dead_insns): Replace alloca with
11404 * except.c (update_rethrow_references): Likewise.
11405 (init_eh_nesting_info): Likewise.
11406 * function.c (identify_blocks): Likewise.
11407 * gcse.c (dump_hash_table): Likewise.
11408 * graph.c (print_rtl_graph_with_bb): Likewise.
11409 * loop.c (combine_movables): Likewise.
11410 (move_movables): Likewise.
11411 (count_loop_regs_set): Likewise.
11412 (strength_reduce): Likewise.
11413 * profile.c (compute_branch_probabilities): New function, split
11415 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
11416 * regclass.c (regclass): Likewise.
11417 * regmove.c (regmove_optimize): Likewise.
11418 * toplev.c (compile_file): Likewise.
11419 (main): Don't mess with the stack rlimit.
11421 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
11423 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
11424 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
11426 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
11428 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
11430 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
11432 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
11433 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
11436 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
11438 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
11440 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
11442 * gcse.c (post_dominators): Kill.
11443 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
11444 (compute_code_hoist_data): Use compute_flow_dominators. Do not
11445 pass in a pdom array since we do not need pdoms.
11446 * haifa-sched.c (schedule_insns): Similarly.
11447 * flow.c (compute_dominators): Remove dead function.
11448 (compute_flow_dominators): Do not compute doms or pdoms if the
11449 caller does not request them. Split up loop to build doms and
11450 pdoms. Use a worklist to compute doms and pdoms.
11451 * basic-block.h (compute_dominators): Remove prototype.
11453 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
11455 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
11456 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
11457 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
11458 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
11459 (cant_move, fed_by_spec_load, is_load_insn): Remove.
11460 (schedule_region): Remove unused variable.
11461 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
11463 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
11465 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
11466 (update_equiv_regs): Likewise.
11467 (block_alloc): Likewise.
11468 * reg-stack.c (reg_to_stack): Likewise.
11469 (convert_regs_2): Likewise.
11470 * reload1.c (reload_as_needed): Likewise.
11472 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
11474 * Makefile.in (dbxout.o): Depend on ggc.h.
11475 (dwarf2out.o): Likewise.
11476 (xcoffout.o): Likewise.
11477 * dbxout.c: Include ggc.h.
11478 (dbxout_init): Register lastfile as a root.
11479 * dwarf2out.c: Include ggc.h.
11480 (dwarf2out_line): Register lastfile as a root.
11481 * xcoffout.c: Include ggc.h.
11482 (xcoffout_source_line): Register xcoff_lastfile as a root.
11484 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
11486 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
11488 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
11490 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
11492 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11494 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11496 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
11497 (EXECUTE_IF_CONFLICT): Likewise.
11498 (ALLOCNO_LIVE_P): Avoid signed division.
11499 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
11500 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
11501 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
11503 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
11505 * haifa-sched.c (schedule_block): Don't crash if there's no
11506 next insn for an interblock movement.
11507 (add_branch_dependences): Don't allow clobber insns to move either.
11509 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
11511 * i386.c (split_xf): New.
11512 * i386-protos.h: Declare it.
11513 * i386.md (movxf_1): Add general regs alternatives.
11514 (movxf_1+1): New splitter for same.
11516 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
11518 * function.c (purge_addressof_1): Add missing return values.
11520 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
11522 * function.c (is_addressof): New function. Returns true if
11523 the given piece of RTL is an ADDRESSOF.
11524 (purge_addressof_1): Make boolean. Return false if the
11525 ADDRESSOFs could not be purged.
11526 (purge_addressof): If ADDRESSOFs could not be purged from the
11527 notes attached to an insn, remove the offending note(s),
11528 unless they are attached to a libcall.
11530 1999-11-05 Andreas Jaeger <aj@suse.de>
11532 * genoutput.c (null_operand =): Initialize all fields.
11534 * errors.h: Add extern to prototypes.
11536 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
11538 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
11539 * configure: Rebuilt.
11541 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11543 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
11544 (mirror_conflicts): New function.
11545 (global_alloc): Call it.
11546 (expand_preferences): Remove redundant CONFLICTP test.
11547 (find_reg, dump_conflicts): Likewise.
11548 (prune_preferences): Process conflicts one word at a time.
11550 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
11552 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
11553 instead of an explicit loop.
11555 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
11557 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
11558 if REG_RETVAL check succeeds, then put classp in src_elt.
11560 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
11562 * function.c (pad_to_arg_alignment): Only update argument_pad
11563 if the argument's alignment is greater than STACK_BOUNDARY.
11565 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
11567 * bitmap.h (BITMAP_XFREE): New.
11568 * flow.c (life_analysis): Use it.
11569 (life_analysis_1): Free blocks.
11571 * combine.c (undo_commit): New.
11572 (try_combine): Use it. Don't zap undobuf.undos.
11573 (combine_instructions): Don't zap undobuf.undos; free the
11574 undobuf.frees list.
11576 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
11578 * stmt.c (cost_table_): New.
11579 (estimate_case_costs): Use it instead of xmalloc.
11581 * toplev.c (compile_file): Reuse dumpname memory instead
11584 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
11586 * reg-stack.c (convert_regs_1): Initialize target_stack->top
11587 after verifying an EH edge.
11589 * haifa-sched.c (init_rgn_data_dependences): Correctly
11590 size bb_pending_lists_length when zeroing.
11592 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
11594 * function.c (diddle_return_value): New.
11595 (expand_function_end): Use it.
11596 * stmt.c (expand_null_return): Likewise.
11597 (expand_value_return): Likewise.
11599 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
11601 * reload1.c (reload): Don't remove return value clobbers.
11603 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
11605 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
11607 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
11609 * cse.c (cse_main): Use xmalloc, not alloca.
11610 (cse_basic_block): Likewise.
11611 * local-alloc.c (local_alloc): Likewise.
11613 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
11614 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11616 * rtl.c: Include toplev.h.
11617 (fatal): Remove declaration.
11619 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
11621 * haifa-sched.c (schedule_block): Fix thinko.
11623 1999-11-03 James McKelvey <mckelvey@fafnir.com>
11625 * fixinc/fixincl.c(create_file): Allow for systems that do not have
11626 S_IR* defined values
11628 1999-11-03 Philippe De Muyter <phdm@macqel.be>
11630 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
11631 call `malloc' instead.
11633 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
11635 * flags.h (flag_renumber_insns): Declare.
11636 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
11638 * rtl.h (renumber_insns): Change prototype.
11639 * toplev.c (flag_renumber_insns): Define.
11640 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
11642 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
11644 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
11645 and fpsqrtd. Use them and create fdiv function unit to more
11646 accurately represent fpu sqrt pipeline semantics on UltraSparc.
11647 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
11649 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
11651 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
11653 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
11654 insn into ready list, do not use just a raw swap.
11656 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
11658 * rtl.h (renumber_insns): New function.
11659 (remove_unnecessary_notes): Likewise.
11660 * emit-rtl.c (renumber_insns): Define.
11661 (remove_unncessary_notes): Likewise.
11662 * toplev.c (rest_of_compilation): Remove dead code.
11663 Use renumber_insns and remove_unncessary_notes.
11665 * gcse.c (struct null_pointer_info): New type.
11666 (get_bitmap_width): New function.
11667 (current_block): Remove.
11668 (nonnull_local): Likewise.
11669 (nonnull_killed): Likewise.
11670 (invalidate_nonnull_info): Take a null_pointer_info as input.
11671 (delete_null_pointer_checks_1): New function.
11672 (delete_null_pointer_checks): Use it.
11674 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
11675 (split_edges): Likewise.
11676 (schedule_block): Likewise.
11677 (compute_block_backward_dependencies): Likewise.
11678 (schedule_region): Likewise.
11679 (schedule_insns): Likewise.
11681 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
11683 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
11684 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
11685 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
11686 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
11687 * jump.c (delete_unreferenced_labels): Don't delete if
11688 LABEL_ALTERNATE_NAME is set.
11689 * print-rtl.c (print_rtx): Dump alternate name.
11690 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
11691 * rtl.h (LABEL_ALTERNATE_NAME): Define.
11692 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
11693 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
11695 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11697 * fix-header.c (recognized_extern, recognized_function): Constify
11700 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
11701 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
11702 (compute_available): Remove unused variable `last'.
11703 (compute_nearerout): Remove unused variable `temp_bitmap'.
11704 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
11705 Remove unused variable `x'.
11707 * scan.h (recognized_function, recognized_extern): Constify a
11710 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
11712 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11714 * varasm.c (decode_rtx_const): Use XSTR to access the string
11717 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
11719 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
11721 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11723 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
11725 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
11727 * pa.c (ireg_operand): New function.
11728 * pa.h (PREDICATE_CODES): Handle ireg_operand.
11729 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
11730 Fix out of date comment.
11732 * pa.md (negdi2): Turn into expander + anonymous pattern.
11734 * reload.c (find_reloads): Fix typos in recent change.
11736 * dwarf2out.c: Do not include ctype.h.
11738 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11740 * regclass.c (record_reg_classes): Always use may_move_cost when
11741 seeing how operand fits with various register classes.
11743 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
11745 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
11746 * toplev.c: Revert Nov 1 13:22 change.
11748 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
11750 * config/pa/pa.md (height reduction patterns): Add checks for
11751 overlapping operands to avoid semantic-destroying splits for
11752 height reduction patterns.
11754 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11756 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
11757 have been an hyphen, fixed.
11758 * configure: Rebuilt.
11760 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
11762 * config/arm/tpe.h: Add prototypes for exported functions.
11763 * config/arm/pe.c: Fix compile time warnings.
11764 * config/arm/semi.h: Fix compile time warnings.
11765 * config/arm/arm.c: Fix compile time warnings.
11766 * config/arm/arm.h: Fix compile time warnings.
11767 * config/arm/arm.md: Fix compile time warnings.
11768 * config/arm/thumb.c: Fix compile time warnings.
11769 * config/arm/thumb.h: Fix compile time warnings.
11770 * config/arm/thumb.md: Fix compile time warnings.
11772 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
11774 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
11777 * unroll.c (unroll_loop): Remove LOOP notes when loop is
11778 completely unrolled.
11780 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11782 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
11784 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
11786 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
11787 * rtl.h (rtx_equal_p): Move prototype.
11788 * rtl.c (rtx_equal_function_value_matters): Move from
11790 (rtx_equal_p): Likewise.
11791 * rtlanal.c (rtx_equal_function_value_matters): Delete.
11792 (rtx_equal_p): Likewise.
11794 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11796 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
11797 ! HAS_INIT_SECTION.
11799 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
11801 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
11803 * pa.h (ADDR_VEC_ALIGN): Define.
11805 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
11806 notes when presented with "if (foo) break; end_of_loop" and
11807 the break sequence gets moved out of the loop.
11809 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
11810 Remove explicit zero initializations of entries within MAP.
11812 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
11814 * reg-stack.c (convert_regs_1): Handle EH edges specially.
11816 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
11818 * bitmap.h (BITMAP_XMALLOC): New macro.
11819 * flow.c (CLEAN_ALLOCA): Remove.
11820 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
11821 (life_analysis): Likewise.
11822 (update_life_info): Don't use CLEAN_ALLOCA.
11823 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
11824 (calculate_global_regs_live): Likewise.
11825 (print_rtl_with_bb): Likewise.
11826 (verify_flow_info): Likewise.
11827 * global.c (global_alloc): Likewise.
11828 (global_conflicts): Likewise.
11829 * integrate.c (save_for_inline_nocopy): Likewise.
11830 (expand_inline_function): Likewise.
11831 * jump.c (jump_optimize_1): Likewise.
11832 (duplicate_loop_exit_test): Likewise.
11833 (thread_jumps): Likewise.
11834 * loop.c (loop_optimize): Likewise.
11835 (combine_givs): Likewise.
11836 (recombine_givs): Likewise.
11837 * reorg.c (dbr_schedule): Likewise.
11838 * unroll.c (unroll_loop): Likewise.
11840 * combine.c (combine_instructions): Use xmalloc instead of alloca.
11842 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
11844 * toplev.c (rest_of_compilation): Don't optimize the CFG
11845 when rebuilding, just before dbr.
11847 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11849 * output.h (assemble_end_function, assemble_destructor,
11850 assemble_constructor, assemble_gc_entry, assemble_global,
11851 assemble_label, output_constant_pool) Constify a char*.
11853 * varasm.c (assemble_destructor, assemble_constructor,
11854 assemble_gc_entry, assemble_end_function, assemble_global,
11855 assemble_label, output_constant_pool): Likewise.
11857 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
11859 * config/arm/thumb.c (thumb_expand_prologue): Add comments
11860 explaining what is goin on in this function.
11862 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11864 * regclass.c (record_reg_classes): In matching case, recompute
11865 costs since the direction of movement is different.
11867 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11869 * resource.c (mark_target_live_regs): For unconditional branches,
11870 the resources found at the branch target should be added to the
11871 resources found so far, not intersected.
11873 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
11875 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
11877 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
11878 (sys/mman.h): Include this file only if #HAVE_MMAP.
11879 (run_compiles): Initialize `esac_fmt' with one old KR string, not
11880 with automatically concatenated ANSI strings.
11882 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
11884 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
11885 (DIV_ROUND_UP): Robustify.
11886 (ggc_recalculate_in_use_p): New function.
11887 (release_pages): Don't inline it.
11888 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
11890 (ggc_pop_context): Use ggc_recalculate_in_use_p.
11891 (clear_marks): Always save in_use_p.
11892 (sweep_pages): Use ggc_recalculate_in_use_p.
11893 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
11894 Release pages before counting statistics.
11896 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
11898 * toplev.c (rest_of_compilation): Fix thinko in this change:
11900 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
11902 (rest_of_compilation): If inside an inlined external function,
11903 pretend we are just being declared.
11905 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
11907 * flow.c (calculate_global_regs_live): Fix thinko.
11909 * integrate.c (expand_inline_function): Fix bugs in previous
11910 change from Oct 28, 1999.
11912 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
11914 * stmt.c (expand_value_return): Fix typo in this change:
11916 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11917 (expand_value_return): Correctly convert VAL when promoting function
11918 return; support RETURN_REG being a PARALLEL.
11920 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
11922 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
11924 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11926 * hard-reg-set.h (reg_names): Constify a char*.
11928 * regclass.c (reg_names): Likewise.
11930 * regs.h (reg_names): Likewise
11932 * a29k/a29k.c (reg_names): Delete declaration.
11934 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
11936 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
11937 arc_output_function_epilogue): Likewise.
11939 * elxsi/elxsi.c (reg_names): Likewise.
11941 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
11943 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
11946 * m88k/m88k.c (output_function_profiler): Likewise.
11948 * sparc/sparc.c (sparc_flat_output_function_prologue,
11949 sparc_flat_output_function_epilogue): Likewise.
11951 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
11953 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
11954 warning from -Wuninitialized and put it under -W.
11955 * function.c (uninitialized_vars_warning): Warn only when the
11956 corresponding flag is set.
11958 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
11960 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
11961 is nonzero and the single set does not have an elt, then assign
11964 * simplify-rtx.c: New file.
11965 * Makefile.in (OBJS): Add simplify-rtx.o
11966 (simplify-rtx.o): Add dependencies.
11967 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
11968 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
11969 (cse_gen_binary, simplify_unary_operation): Delete.
11970 (simplify_binary_operation, simplify_plus_minus): Likewise.
11971 (check_fold_consts, simplify_relation_operation): Likewise.
11972 (simplify_ternary_operation): Likewise.
11973 (delete_trivially_dead_insns): Simplify the contents of the
11974 REG_EQUAL note before trying to substitute it into the source
11975 of the reg-reg copy at the end of a libcall sequence.
11977 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
11978 references/callers changed.
11980 * mn10200.c (mn10200_va_arg): Force the return value into a
11983 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
11985 * cccp.c (macroexpand): Avoid out of range accesses for omitted
11988 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
11990 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
11992 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
11994 * fold-const.c (fold): Fix thinko when optimizing comparisons
11997 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
11999 * gcc.texi (Passes): Update front-end files to their current
12002 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
12004 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
12005 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
12006 (PREDICATE_CODES): Add addition_operation.
12007 * alpha-protos.h (addition_operation): Declare.
12008 (secondary_reload_class): Likewise.
12009 * alpha.c (addition_operation): New.
12010 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
12011 * alpha.md (adddi3): Turn into expander.
12012 (*lda, *adddi_2): New.
12013 (movsf, movdf patterns): Don't preference integer regs.
12014 (movsi, movdi patterns): Don't preference fp regs.
12016 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
12018 * genrecog.c (write_switch): Check for duplicate CODE cases.
12020 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
12022 * ggc-common.c: Update pre-function commentary.
12023 * ggc-page.c: Likewise.
12025 (poison_pages): Use memset directly.
12026 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
12027 (ggc_collect): Poison before sweeping.
12028 * ggc-simple.c: Update pre-function commentary.
12029 (ggc_alloc_obj): Poison non-zeroed memory.
12031 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
12033 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
12034 match format string, even on 64-bit hosts.
12035 * gcc-page.c (ggc_page_print_statistics): Likewise.
12037 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
12039 * config/i386/i386.c (ix86_cpu): Revert last patch.
12040 * config/i386/i386.h (ix86_cpu): Ditto.
12042 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
12044 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
12045 TYPE_SIZE, convert type of result to sizetype.
12047 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
12049 * flow.c (count_or_remove_death_notes): Equate NULL with the
12052 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
12053 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
12056 * i386.c (pic_label_no): Delete.
12057 (ix86_attr_length_default): Don't use single_set to peek
12060 * recog.c (peephole2_optimize): Allow recog_next_insn to index
12061 the first insn after bb->end.
12062 * i386.md (push mem peeps): Scratch is live after evaluation
12064 (cmp mem peep): Similarly.
12066 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
12068 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
12069 * function.c (pad_to_arg_alignment): Add missing braces.
12071 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12073 * alpha/alpha-protos.h (literal_section): Add prototype.
12074 (alpha_need_linkage, alpha_start_function,alpha_end_function):
12077 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
12079 (alpha_start_function, alpha_end_function, float_strings,
12080 alpha_need_linkage): Constify a char*
12082 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
12084 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
12086 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12088 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12090 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12092 * flow.c (debug_flow_info): Add prototype.
12094 * gcc.c (main): Likewise.
12096 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
12099 * reload1.c (failed_reload, set_reload_reg): Likewise.
12101 * mips-tfile.c (main): Likewise.
12102 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
12103 with ATTRIBUTE_NORETURN.
12105 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
12107 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
12108 DECL is not a memory ref.
12110 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
12112 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
12113 * config/i386/i386.c (ix86_cpu): Add extern attribute.
12115 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
12117 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
12118 * config/mips/elf64.h: ditto.
12120 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
12122 * expr.c (emit_push_insn): New argument alignment_pad.
12123 Update all callers. Adjust stack pointer based on alignment pad.
12124 * function.c (pad_to_arg_alignment): New argument alignment_pad.
12125 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
12126 (locate_and_pad_parm): New argument alignment_pad. Update all
12128 * expr.h (emit_push_insn): Update prototype.
12129 (locate_and_pad_parm): Update prototype.
12130 * calls.c (arg_data): Add new field alignment_pad.
12131 (initialize_argument_information): Initialize alignment_pad.
12133 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
12135 * except.c (free_eh_nesting_info): Free the info itself.
12136 * function.c (free_after_compilation): Don't free NULL.
12137 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
12138 (pre_edge_insert): Free inserted.
12139 * stmt.c (free_stmt_status): Don't free NULL.
12141 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12143 * gcov.c (DIR_SEPARATOR): Provide default.
12144 (output_data): Add test for MS-DOS format absolute filename.
12145 (fancy_abort): Correct program name.
12146 (open_files): Open all files in binary mode.
12147 * libgcc2.c (__bb_exit_func): Likewise.
12149 * profile.c (init_branch_prob): Specify binary when opening files.
12151 * flags.h (flag_unwind_tables): New decl.
12152 * toplev.c (flag_unwind_table): New definition.
12153 (f_options): Add -funwind-tables.
12154 (decode_g_option): Clarify warning when unknown -g option is given.
12155 (rest_of_compilation): If inside an inlined external function,
12156 pretend we are just being declared.
12158 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
12159 (dwarf2out_frame_finish): Likewise.
12161 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
12163 * fold-const.c (merge_ranges): If not in0, but in1, handle
12164 upper bounds equal like subset case.
12166 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
12168 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
12169 passed in a register but moved to the stack.
12171 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
12173 * gcc.c (pass_exit_codes, greatest_status): New variables.
12174 (struct option_map): Add entry for "--pass-exit-codes".
12175 (execute): Update greatest_status if error.
12176 (display_help): Add documentation for -pass-exit-codes.
12177 (process_command): Handle -pass-exit-codes.
12178 (main): Look at pass_exit_codes and greatest_status on call to exit.
12180 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12182 * reload.c (find_reloads): Refine test for no input reload
12183 case to not includes reloads emitted after insn.
12185 * function.c (find_temp_slots_from_address): Handle sum involving
12186 a register that points to a temp slot.
12187 (update_temp_slot_address): Make recursive call if both old and
12188 new are PLUS with a common operand.
12189 * calls.c (expand_call): Mark temp slot for result as having
12192 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
12194 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
12195 component as well as "BINUTILS".
12197 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
12198 * integrate.c (copy_rtx_and_substitute): Likewise.
12199 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
12200 All callers changed.
12201 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
12203 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
12204 gdb extensions, write size of type; also be more consistent
12205 in using references when this is a subtype.
12207 * pa.md (extv, extzv, insv): Use define_expand to reject constant
12208 that is out of range.
12210 * loop.c (unknown_constant_address_altered): New variable.
12211 (prescan_loop): Initialize it.
12212 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
12213 (invariant_p, case MEM): Remove handling for volatile and readonly;
12214 check new variable if readonly.
12215 (check_dbra_loop): Chdeck unknown_constant_address_altered.
12217 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
12218 (addr_affects_sp_p): Removed from note_mem_written and only
12219 define #ifdef AUTO_INC_DEC.
12221 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
12223 * regclass.c (record_reg_classes): Properly handle register move
12226 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
12227 Don't think valid if both operands are invalid.
12228 (struct constant_descriptor): New field RTL.
12229 (mark_const_hash_entry): Mark it.
12230 (record_constant{,_rtx}): Initialize it.
12231 (output_constant_def): Allocate RTL in permanent obstack and
12233 ({record,compare}_constant_1): Modes must match for
12234 CONSTRUCTOR of ARRAY_TYPE.
12236 * c-common.h (initializer_constant_valid_p): Delete decl from here.
12237 * output.h (initializer_constant_valid_p): Move decl to here.
12238 * c-common.c (initializer_constant_valid_p): Delete function from here.
12239 * varasm.c (initializer_constant_valid_p): Move function to here.
12241 * tree.h (STRIP_SIGN_NOPS): New macro.
12242 * fold-const.c (optimize_minmax_comparison): New function.
12243 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
12244 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
12245 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
12246 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
12247 widening conversions.
12248 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
12249 to look at size of mode, not precision of type; also add missing cases.
12250 (optimize_bit_field_compare, decode_field_reference): Don't try to
12251 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
12253 * dwarf2out.c (ctype.h): Include.
12254 (dwarf2out_set_demangle_name_func): New function.
12255 (size_of_line_info): Deleted.
12256 (output_line_info): Compute size of line info table from difference
12258 (base_type_die, add_name_attribute): Call demangle function, if any.
12259 (field_byte_offset): Use bits per word for variable length fields.
12260 (gen_array_type_die): Add array name.
12261 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
12262 (dwarf2out_add_library_unit_info): New function.
12264 * explow.c (set_stack_check_libfunc): New function.
12265 (stack_check_libfunc): New static variable.
12266 (probe_stack_range): Allow front-end to set up a libfunc to call.
12268 * combine.c (simplify_comparison): When making comparison in wider
12269 mode, check for having commuted an AND and a SUBREG.
12270 (contains_muldiv): New function.
12271 (try_combine): Call it when dividing a PARALLEL.
12272 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
12273 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
12275 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
12276 use one of the CLOBBERs instead.
12277 (if_then_else_cond): If comparing against zero, just return thing
12280 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
12281 Don't generate shifts and subtract if have conditional arithmetic.
12283 * rtl.h (delete_barrier): New declaration.
12284 * jump.c (jump_optimize): Set up to handle conditional call.
12285 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
12286 (delete_barrier): New function.
12288 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
12290 * recog.c (nonmemory_operand): Accept ADDRESSOF.
12292 * tree.c (build_type_attribute_variant): Push to obstack of
12293 ttype around type_hash_canon call.
12295 * expr.c (placeholder_list): Move decl to file scope.
12296 (expand_expr): Don't force access to volatile just because its
12298 If ignoring reference operations, just expand the operands.
12299 (expand_expr, case COMPONENT_REF): Propagate
12300 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
12301 Refine test for using bitfield operations vs pointer punning.
12302 (expand_expr, case CONVERT_EXPR): If converting to
12303 BLKmode UNION_TYPE from BLKmode, just return inner object.
12304 Use proper mode in store_field call.
12305 Properly set sizes of object to store and total size in store_field
12306 call for convert to union.
12307 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
12308 memory (like for ADDR_EXPR). Also, don't put constant in register if
12309 we'll want it in memory.
12310 (readonly_fields_p): New function.
12311 (expand_expr, case INDIRECT_REF): Call it if LHS.
12312 (expand_assignment): Handle a RESULT_DECL where
12313 DECL_RTL is a PARALLEL.
12314 (do_jump, case WITH_RECORD_EXPR): New case.
12315 (get_inner_reference): Always go inside a CONVERT_EXPR
12316 and NOP_EXPR if both modes are the same.
12317 (store_field): Use bitfield operations if size of bitsize is not same
12318 as size of RHS's type.
12319 Check for bitpos not a multiple of alignment in BLKmode case.
12320 Do block move in largest possible alignment.
12321 (store_constructor): Set BITSIZE to -1 for variable size and properly
12322 in case of array of BLKmode.
12323 (expand_expr_unaligned): New function.
12324 (do_compare_and_jump): Call it.
12326 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
12327 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
12328 does not include 'o'.
12330 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
12331 both SET_DEST and SET_SRC reference a virtual register.
12332 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
12334 * integrate.c (expand_inline_function): Handle case of setting
12335 virtual stack vars register (from built in setjmp); when parameter
12336 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
12337 (subst_constant): Add new parm, MEMONLY.
12338 (expand_inline_function, integrate_parm_decls): Pass new parm.
12339 (integrate_decl_tree): Likewise.
12340 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
12341 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
12342 (copy_rtx_and_substitute, case SET): Add explicit calls to
12343 copy_rtx_and_substitute for both sides.
12345 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
12347 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
12348 within INDEX_TYPE, instead of before.
12349 (fixup_gotos): Use f->target_rtl, not the next insn,
12350 since latter may be from a later fixup.
12351 (expand_value_return): Correctly convert VAL when promoting function
12352 return; support RETURN_REG being a PARALLEL.
12353 (expand_return): When checking for result in regs and having
12354 cleanup, consider PARALLEL in DECL_RTL as being in regs.
12356 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
12358 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
12359 last_nominal_fname): Mark const.
12360 (struct include_hash: name, nshort, control_macro): Mark
12362 (struct macrodef: symnam): Mark const.
12363 (struct if_stack: fname): Mark const.
12364 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
12365 (IStable): New character-syntax array which encompasses all
12366 the old is_foo arrays.
12367 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
12368 is_space): New macros for interrogating IStable.
12369 (check_macro_name): Kill last argument. All callers changed.
12371 * cppinit.c (initialize_char_syntax): Delete.
12372 (is_idchar, is_idstart, is_hor_space, is_space,
12373 trigraph_table): Delete.
12374 (IStable): New. Initialize with clever macros to avoid
12375 information duplication.
12376 (builtin_array): Table of builtins to get rid of explicit list
12377 in initialize_builtins.
12378 (initialize_builtins): Use builtins_array.
12379 (cpp_start_read): Call init_IStable, and set IStable['$'] if
12380 opts->dollars_in_ident.
12382 * cppexp.c: Change all refs to is_xyz[] arrays to use new
12384 (cpp_parse_expr): Avoid 'format string is not constant'
12385 warning. Use ISGRAPH to identify printable chars.
12386 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
12388 (read_and_prescan): Map trigraphs to chars with open-coded
12389 if-else-if-... sequence, not a lookup table.
12390 * cpphash.c: Change all refs to is_xyz[] arrays to use new
12392 * cpplib.c: Change all refs to is_xyz[] arrays to use new
12393 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
12394 (check_macro_name): Remove ability to report an invalid
12395 assertion name, which is never used.
12396 (do_line): Constify a couple of char *'s.
12397 * cppmain.c (main): Call cpp_cleanup before returning.
12399 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
12401 * ggc.h (struct ggc_statistics): New type.
12402 (ggc_get_size): New function.
12403 (ggc_print_statistics): Likewise.
12404 * ggc-common.c (ggc_stats): New variable.
12405 (ggc_mark_rtx_children): Keep statistics.
12406 (ggc_mark_tree_children): Likewise.
12407 (ggc_print_statistics): New function.
12408 * ggc-page.c (struct globals): Add bytes_mapped field.
12409 (alloc_anon): Update it.
12410 (release_pages): Likewise.
12411 (ggc_get_size): New function.
12412 (ggc_page_print_statistics): New function.
12413 * ggc-simple.c (ggc_get_size): New function.
12415 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
12417 * flow.c (propagate_block): When the last reference to a label
12418 before an ADDR_VEC is deleted because the reference is a dead
12419 store, delete the ADDR_VEC.
12421 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
12423 * resource.c (find_free_register): Don't use the frame pointer
12424 if frame_pointer_needed.
12426 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
12428 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
12429 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
12431 * config/i960/i960.c (i960_va_start): New locals base, num.
12432 Use INDIRECT_REF instead of ARRAY_REF on valist.
12433 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
12435 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
12437 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
12439 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
12441 * tree.def (PLACEHOLDER_EXPR): Update comments.
12443 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12445 * c-common.c (check_format_info): Avoid non-literal format string
12446 warnings when `first_arg_num' is zero.
12448 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12450 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
12452 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
12454 * arm.md (casesi_insn): Add a clobber of the condition code
12457 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
12459 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
12460 used by both cc1 and cc1plus.
12462 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
12464 * config/arm/arm.c: Initialise arm_structure_size_boundary to
12465 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
12466 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
12467 to the value 32 if it has not already been defined.
12468 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
12469 Override definition in arm.h with a value of 8.
12471 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
12473 * c-pragma.c (push_alignment): Don't check the return value
12476 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
12478 * sparc.h (ADJUST_COST): Fix thinko.
12480 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
12482 * cccp.c (rescan): Fixed obp pointer handling around call to
12483 check_expand subroutine.
12485 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
12487 * gcse.c (delete_null_pointer_checks): Only record non-null info
12488 for pseudos when examining stores.
12490 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
12491 splitters for these patterns. Use "#" for output templates.
12492 (addsi3_carryin_shift): New pattern.
12494 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
12496 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
12497 of the function return register into a plain REG until
12498 after function inlining is done.
12500 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
12502 * jump.c (jump_optimize_1): If we did cross-jumping, and
12503 the data will matter, rebuild the CFG.
12504 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
12505 not optimizing. Don't run shorten_branches.
12506 * toplev.c (rest_of_compilation): Run shorten_branches after
12509 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
12511 * rtl.h (note_stores): Add additional paramter.
12512 * rtlanal.c (reg_set_p_1): Take additional paramter.
12513 (reg_set_last_1): Likewise.
12514 (reg_set_p): Adjust call to note_stores.
12515 (reg_set_last): Likewise.
12516 (note_stores): Pass data parameter to worker function.
12517 * alias.c (record_set): Take additional parameter.
12518 (init_alias_analysis): Pass it.
12519 * caller-save.c (mark_set_regs): Take additional parameter.
12520 (save_call_clobbered_regs): Pass NULL to note_stores.
12521 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
12523 (record_dead_and_set_regs_1): Likewise.
12524 (reg_dead_at_p_1): Likewise.
12525 (combine_instructions): Adjust calls to note_stores.
12526 (try_combine): Likewise.
12527 (record_dead_insn): Remove.
12528 (record_dead_and_set_regs): Adjust calls to note_stores.
12529 (reg_dead_at_p): Likewise.
12530 * cse.c (invalidate_skipped_set): Take additional parameter.
12531 (cse_check_loop_start): Likewise.
12532 (cse_check_loop_start_value): Remove.
12533 (cse_set_around_loop): Adjust calls to note_stores.
12534 * flow.c (notice_stack_pointer_modification): Take additional
12535 parameter. Remove duplicate declaration.
12536 (record_volatile_insns): Adjust calls to note_stores.
12537 * gcse.c (record_set_info): Take additional parameter.
12538 (record_last_set_info): Likewise.
12539 (invalidate_nonnull_info): Likewise.
12540 (record_set_insn): Remove.
12541 (compute_sets): Adjust calls to note_stores.
12542 (last_set_insn): Remove.
12543 (compute_hash_table): Adjust calls to note_stores.
12544 (insert_insn_end_bb): Likewise.
12545 (delete_null_pointer_checks): Likewise.
12546 * global.c (mark_reg_store): Take additional parameter.
12547 (mark_reg_clobber): Likewise.
12548 (reg_becomes_live): Likewise.
12549 (global_conflicts): Adjust calls to note_stores.
12550 (build_insn_chain): Likewise.
12551 * integrate.c (note_modified_parmregs): Take additional parameter.
12552 (mark_stores): Likewise. Make it static.
12553 (save_for_inline_nocopy): Adjust calls to note_stores.
12554 (try_constants): Likewise.
12555 * integrate.h (mark_stores): Remove declaration.
12556 * jump.c (mark_modified_reg): Take additional parameter.
12557 (thread_jumps): Adjust calls to note_stores.
12558 * local-alloc.c (validate_equiv_mem_from_store): Take additional
12560 (no_equiv): Likewise.
12561 (reg_is_set): Likewise.
12562 (validate_equiv_mem): Adjust calls to note_stores.
12563 (update_equiv_regs): Likewise.
12564 (block_alloc): Likewise.
12565 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
12566 (note_addr_stored): Take additional parameter.
12567 (note_set_pseudo_multiple_uses): Likewise.
12568 (record_initial): Likewise.
12569 (prescan_loop): Adjust calls to note_stores.
12570 (strength_reduce): Likewise.
12571 (check_dbra_loop): Likewise.
12572 * regmove.c (flags_set_1): Take additional paramter.
12573 (mark_flags_life_zones): Adjust calls to note_stores.
12574 * reload1.c (mark_not_eliminable): Take additional parameter.
12575 (forget_old_reloads_1): Likewise.
12576 (reload_cse_invalidate_rtx): Likewise.
12577 (reload_cse_check_clobber): Likewise.
12578 (reload_combine_note_store): Likewise.
12579 (move2add_note_store): Likewise.
12580 (reload): Adjust calls to note_stores.
12581 (reload_as_needed): Likewise.
12582 (emit_reload_insns): Likewise.
12583 (reload_cse_regs_1): Likewise.
12584 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
12585 (reload_combine): Adjust calls to note_stores.
12586 * resource.c (update_live_status): Take additional paramter.
12587 (mark_target_live_regs): Adjust calls to note_stores.
12588 * stupid.c (find_clobbered_regs): Take additional parameter.
12589 (stupid_life_analysis): Adjust calls to note_stores.
12591 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
12593 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
12596 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
12599 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
12600 of the variable arm_structure_size_boundary.
12602 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12604 * alias.c (init_alias_analysis): Allocate reg_known_value and
12605 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
12607 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
12608 * cse.c (cse_main): Call end_alias_analysis.
12609 * haifa-sched.c (schedule_insns): Likewise.
12610 * local-alloc. (update_equiv_regs): Likewise.
12611 * reload1.c (reload_cse_regs): Likewise.
12613 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12615 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
12616 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
12617 mapping from MASK_FPU.
12619 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
12621 * sparc.md (call): Don't bound structure return size to 0xfff.
12623 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
12625 * resource.c (mark_target_live_regs): Check that the target
12626 insn wasn't created after compute_bb_for_insn.
12628 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
12630 * ggc-page.c (poison_pages): Don't be overzealous.
12632 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
12634 * alias.c: Update comments for ADDRESS.
12635 (nonlocal_reference_p): Look inside the ADDRESS to determine if
12636 it is a local memory reference.
12638 * c-typeck.c (build_function_call): Check that the built-in
12639 function is of class BUILT_IN_NORMAL before trying to recongize
12640 it as BUILT_IN_ABS.
12641 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
12642 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
12644 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
12646 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
12648 (pre_gcse): Likewise.
12649 (hoist_expr_reaches_here_p): Likewise.
12650 (hoist_code): Likewise.
12651 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
12653 (pre_expr_reaches_here_p_work): ... here.
12654 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
12656 (expr_reaches_here_p_work): ... here.
12658 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
12660 * resource.c (find_basic_block): Delete.
12661 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
12662 (init_resource_info): Call compute_bb_for_insn.
12664 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
12666 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
12667 with already adjacent blocks, but no fallthru.
12668 (merge_blocks_move_successor_nojumps): Simplify.
12669 (debug_flow_info): New.
12671 * toplev.c (rest_of_compilation): Open jump1 dump file before
12672 jump and close after, as opposed to just using dump_rtl.
12674 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12676 * reload.h (earlyclobber_operand_p): Declare.
12677 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
12678 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12679 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
12680 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
12682 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12683 Richard Henderson <rth@cygnus.com>
12685 * emit-rtl.c (emit_block_insn_before): New.
12686 (emit_block_insn_after): New.
12687 * basic-block.h: Declare them.
12689 * bitmap.h: Protect from multiple inclusion.
12691 * recog.c (scratch_operand): Handle VOIDmode correctly.
12693 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
12695 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
12696 * function.c (assign_parms): Likewise.
12697 * global.c (global_conflicts): Clarify STACK_REGS commentary.
12699 * reg-stack.c (max_uid): Remove.
12700 (blocks, block_begin, block_end, block_drops_in): Remove.
12701 (block_stack_in, block_out_reg_set, block_number): Remove.
12702 (struct block_info_def, BLOCK_INFO): New.
12703 (enum emit_where): New.
12704 (current_block): New.
12705 (BLOCK_NUM): Remove.
12706 (mark_regs_pat, record_label_references): Remove.
12707 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
12709 (goto_block_pat, print_blocks, dump_stack_info): Remove.
12710 (reg_to_stack): Simplified test for existance of fp code. Use
12711 flow.c code. Call shorten_branches after cross-jump opt.
12712 (check_asm_stack_operands): Renamed from record_asm_reg_life.
12713 Return false if the asm doesn't use stack regs. Don't do life
12714 analysis on the asm.
12715 (emit_pop_insn): Replace function pointer arg `when' with
12716 enum `where'. Update all callers.
12717 (change_stack): Likewise. Update basic block end.
12718 (emit_swap_insn): Use current_block->head to limit reverse search
12719 for start of block. Use emit_block_insn_after.
12720 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
12721 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
12722 structure assignment instead of bcopy.
12723 (print_stack): New.
12724 (convert_regs_entry, convert_regs_exit): New.
12725 (convert_regs_1, convert_regs_2): Split out from convert_regs.
12726 Work on basic blocks and the CFG.
12727 (convert_regs): Use them.
12729 * i386.c (output_fix_trunc): Remove code for DImode input operand
12730 not at top-of-stack.
12731 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
12733 (fix_truncdi_1): Allow any mode scratch.
12735 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
12737 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
12738 * linux.h, netbsd.h, vms.h: Not here.
12740 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
12742 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
12743 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
12744 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
12745 CONDITIONAL_REGISTER_USEAGE): Use them.
12746 * config/mips/mips.c (mips_move_1word,mips_move_2words,
12747 gen_conditional_branch,override_options) : Use them.
12748 * config/mips/mips.md : Use them.
12750 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
12752 * i386.md (zero_extendqihi2): Use SImode register name with andl.
12754 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
12756 * integrate.c (function_cannot_inline_p): Don't allow inlining
12759 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12761 * c-parse.in (cast_expr): Constify.
12763 * cccp.c (special_symbol): Likewise.
12765 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
12767 * dwarf2out.c (base_type_die): Likewise.
12769 * global.c (allocno_compare): Likewise.
12771 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
12773 * regclass.c (fix_register): Likewise.
12775 * rtl.h (fix_register): Likewise.
12777 * stupid.c (stupid_reg_compare): Likewise.
12779 * toplev.c (decode_f_option): Likewise.
12781 * tree.c (build_complex_type): Likewise.
12783 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
12785 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
12787 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12789 * reload.c (find_reloads): Compute mode and nregs fields of all
12791 * reload1.c (calculate_needs_all_insns): Simplify a bit.
12792 (calculate_needs): Use precomputed mode/nregs values.
12793 (allocate_reload_reg): Likewise.
12795 (failed_reload, set_reload_reg): ... new functions.
12796 (choose_reload_regs_init): New function, mostly broken out from...
12797 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
12798 Also lose one #if 0 block.
12800 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
12802 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
12805 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
12807 * tree.h (BLOCK_TYPE_TAGS): Remove.
12808 (BLOCK_END_NOTE): Likewise.
12809 (BLOCK_LIVE_RANGE_FLAG): Likewise.
12810 (BLOCK_LIVE_RANGE_START): Likewise.
12811 (BLOCK_LIVE_RANGE_END): Likewise.
12812 (tree_block): Remove live_range_flag, live_range_var_flag, and
12813 type_tags. Remove end_note, live_range_start, and live_range_end.
12814 (remember_end_note): Remove prototype.
12815 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
12816 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
12818 * ggc-common.c (ggc_mark_tree_children): Don't mark
12819 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
12820 * integrate.c (adjust_copied_decl_tree): Remove.
12821 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
12822 * stmt.c (last_block_end_note): Remove.
12823 (init_stmt): Don't add a GC root for it.
12824 (expand_fixup): Don't set it.
12825 (remember_end_note): Remove.
12826 (expand_end_bindings): Don't set last_block_end_note.
12828 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12830 * reload1.c (reload_reg_free_for_value_p): Show
12831 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
12834 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
12836 * expmed.c (extract_bit_field): Allow for the case of non-integer
12837 objects that are smaller than a word (like SFmode on a 64-bit
12840 * loop.c (basic_induction_var): A non-integer variable which is
12841 being set by a paradoxical subreg is probably not a biv.
12843 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12845 * prefix.c (translate_name) Check for empty prefix string.
12847 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
12849 * Makefile.in (CPP_CROSS_NAME): New variable.
12850 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
12852 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
12853 names of the files to be uninstalled.
12855 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
12857 * collect2.c (IS_DIR_SEPARATOR): Define.
12858 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
12860 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
12863 * haifa-sched.c (add_dependence): Update the true dependency
12864 cache the first time we add a true dependence to the LOG_LINKS chain.
12866 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
12868 * fold-const.c (fold): Fix comment.
12870 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12872 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
12873 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
12874 dbxout_start_new_source_file, dbxout_source_file,
12875 dbxout_source_line, dbxout_finish, dbxout_type_fields,
12876 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
12878 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
12879 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
12880 (dbxout_block): Initialize variable `blocknum'.
12882 * dbxout.h (dbxout_init, dbxout_finish,
12883 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
12884 dbxout_args, dbxout_source_line): Constify a char*.
12886 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
12887 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
12888 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
12889 low_pc_attribute, high_pc_attribute, body_begin_attribute,
12890 body_end_attribute, comp_dir_attribute, sf_names_attribute,
12891 src_info_attribute, mac_info_attribute, producer_attribute,
12892 lookup_filename, generate_macinfo_entry, fundamental_type_code,
12893 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
12894 dwarfout_undef): Constify a char*.
12895 (add_incomplete_type, retry_incomplete_types): Add prototypes.
12897 * dwarfout.h (dwarfout_define, dwarfout_undef,
12898 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
12900 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
12902 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
12903 (MULTILIB_ISA_DEFAULT): New.
12904 (MULTILIB_DEFAULTS): Use it.
12905 * config/mips/mips.c (): Remove the now unnecessary definition
12906 of MIPS_ISA_DEFAULT.
12907 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
12908 unnecessary definition.
12910 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
12912 * arm.md (pic_load_addr): Add constraints to operand 1.
12914 1999-10-25 Bruce Korb <autogen@linuxbox.com>
12916 * fixinc/genfixes: Provide a means for specifying -D options to
12919 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
12921 * arm.c (arm_override_options): Correct initialization of
12922 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
12923 arm_is_strong, and arm_is_6_or_7.
12925 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
12926 (note_set_pseudo_multiple_uses): New function.
12927 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
12928 if a pseudo set in the loop exit is used elsewhere.
12930 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
12932 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
12934 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
12936 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
12937 a single load-address pattern.
12939 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
12941 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
12942 depending on whether or not line-number notes are present.
12944 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12946 * cccp.c (progname, file_buf, default_include, include_file,
12947 macrodef, definition, hashval, wchar_type, user_label_prefix,
12948 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
12949 expand_to_temp_buffer, is_system_include, base_name,
12950 absolute_filename, read_name_map, open_include_file,
12951 record_control_macro, check_precompiled, check_preconditions,
12952 pcfinclude, pass_thru_directive, create_definition,
12953 check_macro_name, comp_def_part, collect_expansion,
12954 check_assertion, read_token_list, assertion_install,
12955 assertion_lookup, eval_if_expression, conditional_skip,
12956 validate_else, skip_quoted_string, quote_string, macarg1,
12957 error_from_errno, install, lookup, hashf, dump_defn_1,
12958 perror_with_name, pfatal_with_name, main, trigraph_pcp,
12959 check_white_space, rescan, handle_directive, monthnames,
12960 special_symbol, do_include, remap_include_file, write_output,
12961 arglist, do_assert, do_unassert, do_line, do_error, do_once,
12962 do_ident, do_sccs, do_xifdef, skip_if_group,
12963 output_line_directive, macroexpand, macarg, change_newlines,
12964 initialize_builtins, make_definition): Constify a char*.
12966 * pcp.h (stringdef): Likewise.
12968 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
12970 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
12973 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
12974 Richard Henderson <rth@cygnus.com>
12976 * alias.c: Include ggc.h.
12977 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
12978 (record_set): Verify enough room in reg_base_value.
12979 (init_alias_analysis): Allocate reg_base_value with xcalloc.
12980 Register it as a GC root.
12981 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
12982 * Makefile.in (alias.o): Depend on ggc.h.
12984 * unroll.c (unroll_loop): Verify the insn before a barrier
12985 is a JUMP_INSN before checking JUMP_LABEL.
12987 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12989 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
12990 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
12991 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
12992 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
12993 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
12994 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
12996 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12998 * output.h (ctors_section, dtors_section, bss_section): Prototype.
13000 * alpha/alpha-interix.h (text_section): Delete prototype.
13001 * alpha/elf.h (text_section): Likewise.
13002 * arm/linux-elf.h (text_section): Likewise.
13003 * arm/linux-telf.h (text_section): Likewise.
13004 * c4x/c4x.h (text_section): Likewise.
13005 * dsp16xx/dsp16xx.h (bss_section): Likewise.
13006 * elfos.h (text_section): Likewise.
13007 * i386/aix386ng.h (text_section): Likewise.
13008 * i386/i386-interix.h (text_section): Likewise.
13009 * i386/sco5.h (text_section): Likewise.
13010 * i386/svr3gas.h (text_section): Likewise.
13011 * nextstep.h (text_section): Likewise.
13012 * psos.h (text_section): Likewise.
13013 * ptx4.h (text_section): Likewise.
13014 * svr3.h (text_section): Likewise.
13015 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
13017 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13019 * final.c (peephole): Delete prototype.
13021 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
13022 (pre_insert_copies): Remove unused variable `bb'.
13024 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
13027 * output.h (peephole): Add prototype.
13029 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
13031 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
13034 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
13036 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
13037 for inlined declarations.
13039 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
13041 * arm.c (logical_binary_operator): New fucntion.
13042 * arm.h (logical_binary_operator): Declare it.
13043 (PREDICATE_CODES): Handle logical_binary_operator.
13044 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
13045 output constraints. Add appropriate splitters.
13046 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
13047 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
13048 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
13050 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13052 * genoutput.c (struct operand_data): New elt eliminable.
13053 (output_operand_data): Write it.
13054 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
13055 (compare_operands): Take it into account.
13056 * recog.h (struct insn_operand_data): New elt eliminable.
13057 * reload1.c (check_eliminable_occurrences, elimination_effects): New
13059 (old_asm_operands_vec, new_asm_operands_vec): Delete.
13060 (eliminate_regs): Move code that detects changes to elimination
13061 target regs into new function elimination_effects.
13062 Delete one #if 0 block.
13063 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
13064 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
13065 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
13066 Only call eliminate_regs for real operands of the insn, not for parts
13067 of its structure or parts matched by things like match_operator.
13068 Use elimination_effects and check_eliminable_occurrences. Use
13069 copy_insn to duplicate the pattern when not in the final pass.
13071 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
13073 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
13076 1999-10-22 Bruce Korb <autogen@linuxbox.com>
13078 * fixinc/README: document the "mach" machine matching test
13079 * fixinc/fixfixes.c: Implement the #else/#endif label fix
13080 * fixinc/fixtests.c: Implement the #else/#endif label test
13081 * fixinc/inclhack.def: utilize these tests and fixes
13082 * fixinc/inclhack.sh: regen
13083 * fixinc/fixincl.x: regen
13084 * fixinc/fixincl.sh: regen
13086 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
13088 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
13091 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
13093 * gcc.1: Document exit codes.
13095 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13097 * calls.c: Include tm_p.h later, so everything we need is defined.
13098 * expr.c: Likewise.
13099 * function.c: Likewise.
13101 * except.c: Include tm_p.h.
13103 * sparc.c: Likewise.
13104 (dwarf2out_cfi_label): Don't prototype.
13105 (check_return_regs, epilogue_renumber,
13106 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13107 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
13108 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
13109 ultra_schedule_insn): Add static prototype.
13110 (data_segment_operand, text_segment_operand): Call itself with the
13111 proper number of arguments.
13112 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
13114 * sparc.h: Move all declarations to sparc-protos.h.
13115 (SELECT_RTX_SECTION): Pass a missing MODE argument to
13118 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
13120 * config/svr4.h (text_section, ctors_section, dtors_section): Add
13122 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
13123 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13124 ASM_OUTPUT_ASCII): Constify a char*.
13126 * sparc-protos.h: New file for sparc prototypes.
13128 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13130 * function.c (record_insns, contains): Always declare and define.
13131 (record_insns): Mark with ATTRIBUTE_UNUSED.
13133 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13135 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
13136 to .section when outputting a .bss section to deal with multiple
13137 .bss input sections (as happens with -fdata-sections)
13138 Also output %progbits, not @progbits so the assembler doesn't treat as
13140 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
13142 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
13143 thumb parts even when building with non-thumb CPUs, by forcing
13146 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
13148 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
13149 (movdf_const_intreg_sp64): Similarly.
13151 * local-alloc.c (update_equiv_regs): Check the correct insn
13152 for pre-existing REG_EQUIV notes.
13154 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
13156 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
13157 block reached by a branch if we're not going to actually process
13160 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
13162 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
13163 a local extern function declaration.
13165 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
13167 * i386.c (ix86_expand_prologue): Properly wrap USE around
13168 reg for CALL_INSN_FUNCTION_USAGE.
13170 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
13172 * config/mips/mips.md (movdf_internal1a): Allow floating-point
13173 move between GP_REGs.
13175 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
13177 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
13178 the mode size when finding out if an offset is legal.
13180 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
13182 * basic-block.h (PROP_*): Move constants from ...
13183 * flow.c: ... here.
13184 (compute_bb_for_insn): Free the array before reallocating.
13185 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
13186 (allocate_reg_life_data): Reset all reg variables collected by
13188 (get_block_head_tail): Don't convert from bb to block.
13189 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
13190 (find_insn_reg_weight): Take block not bb.
13191 (schedule_block): Don't set block num for moved insns.
13192 (schedule_region): Don't update_life_info or find_insn_reg_weight.
13193 (schedule_insns): Do it here instead.
13194 * combine.c (combine_instructions): Invoke compute_bb_for_insn
13195 before update_life_info.
13196 * recog.c (split_all_insns, peephole2_optimize): Update for
13197 new arg to update_life_info.
13198 * rtlanal.c (remove_note): Cope with NULL note.
13199 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
13202 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
13204 * jump.c (jump_optimize_1): More accurately detect casesi insns.
13206 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
13207 block records so that merge_blocks_nomove will clean up correctly.
13208 (split_edge): Handle casesi insns.
13210 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
13212 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
13214 * pa.md (call, call_value): Do not emit a blockage after restoring
13217 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
13219 * c-typeck.c (c_expand_asm_operands): Fix typo.
13221 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13223 * arm.c (fpu_rhs_operand): Verify modes.
13224 (fpu_add_operand): Likewise.
13225 (di_operand): Likewise.
13226 (soft_df_operand): Likewise.
13228 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
13230 * arm.c (arm_return_in_memory): APCS rules state that the elements
13231 of a structure returned in a register must be 'integer-like'.
13233 1999-10-19 Bruce Korb <autogen@linuxbox.com>
13235 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
13236 in the source tree when the generated targets are out of date
13237 * fixinc/genfixes: Alter it to run individual fixes for make.
13238 * fixinc/README: rewrite
13239 * fixinc/inclhack.def: moved initial comments to README
13241 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
13243 * toplev.c (main): Do not generate an error message if an
13244 unrecognised command line switch is recognisable by another
13245 language. If extra_warnings are enabled, then generate a
13246 warning message instead.
13248 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
13250 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
13251 (insert_pack_attributes): Delete prototype.
13253 * c-pragma.c (default_alignment): New static variable.
13254 (push_alignment): Initialize to current effective alignment.
13255 (pop_alignment): Use to set new alignment.
13256 (insert_pack_attributes): Delete function.
13257 (handle_pragma_token): Set default_alignment as well each time
13258 a #pragma pack(<n>) is encountered.
13260 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
13262 * reg-stack.c (stack_result): Aggregates are not returned in
13265 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13267 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
13269 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
13271 * basic-block.h (set_block_num): Declare.
13272 * flow.c (update_life_info): Don't call compute_bb_for_insn
13273 or free_basic_block_vars.
13274 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
13275 (insn_orig_block): Remove.
13276 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
13277 (schedule_block): Keep BLOCK_NUM up-to-date.
13278 (schedule_insns): Use compute_bb_for_insn.
13279 * recog.c (split_all_insns): Likewise.
13280 (peephole2_optimize): Likewise.
13282 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
13284 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
13285 if the pic register is used.
13287 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13289 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
13290 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
13291 if that tests TREE_PERMANENT.
13293 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
13295 * cse.c (invalidate_for_call): Do not remove memory references from
13296 the table here. It's handled elsewhere.
13298 * haifa-sched.c (add_dependence): Protect references to the
13299 true dependency cache with #ifdef INSN_SCHEDULING.
13300 (remove_dependence): Similarly.
13302 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
13303 to the cfg code that this is a return instruction.
13304 * mn10300.md (return_internal): Similarly.
13306 * combine.c (get_last_value): If the last set of a register
13307 is after subst_low_cuid, then we can not use it to determine
13308 the register's last value.
13310 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13312 * Makefile.in: Back out previous change.
13314 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
13316 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
13318 * haifa-sched.c (add_dependence): Only check/update the cache
13320 (remove_dependence): Likewise.
13321 (schedule_insns): Only create the true_dependency_cache if the
13322 average number of instructions in a basic block is very large.
13324 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13326 * Makefile.in (ggc-common.o): Depend on genrtl.h.
13327 (ggc-simple.o): Likewise.
13328 (ggc-page.o): Likewise.
13330 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
13332 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
13333 Prototype for exported functions.
13334 (pre_lcm, pre_rev_lcm): Remove prototypes.
13335 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
13336 (compute_available): Move to lcm.c, and change parameter order.
13337 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
13338 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
13339 (gcse_main): No longer call compute_preds_succs. Rebuild the
13340 set table after reach pre pass.
13341 (pre_insert_map, pre_delete_map, edge_list): New.
13342 (alloc_pre_mem): Allocate edge vectors.
13343 (free_pre_mem): Delete edge vectors.
13344 (compute_pre_data): Call new edge based lcm routines.
13345 (process_insert_insn): New function.
13346 (insert_insn_end_bb): Use it.
13347 (pre_edge_insert): New function.
13348 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
13350 (pre_insert_copies): Revamp using new edge based lcm outputs.
13351 (pre_delete): Likewise.
13352 (one_pre_gcse_pass): Insert & remove fake edges to the exit
13354 (compute_code_hoist_vbeinout): New new edge based routines.
13355 * lcm.c: Remove all the old LCM functions. Replace with new ones
13356 that work with the new cfg datastructures and work with edges
13359 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13361 * reload.h (struct reload): Add new fields "mode" and "nregs".
13362 * reload1.c: Change all occurrences of reload_mode and reload_nregs
13363 to reference the "mode" and "nregs" field within struct reload.
13365 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
13367 * haifa-sched.c (true_dependency_cache): New.
13368 (add_dependence): Use the true dependency cache to avoid expensive
13369 walks down the LOG_LINKS dependency list. Add entries to the
13370 cache as necessary.
13371 (remove_dependence): Remove entries from the true dependency cache
13373 (schedule_insns): Allocate and initialize and free the true
13376 * haifa-sched.c (schedule_insns): Do not remove inter-block
13377 dependencies anymore.
13379 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13381 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
13382 * i386/t-winnt: Likewise.
13384 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
13386 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
13388 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
13390 * Makefile.in (LANGUAGES): Omit "proto".
13391 (clean): Remove stale comment about removing unprotoize.c.
13393 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13395 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
13396 using arithmetic on void pointers.
13398 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
13400 * haifa-sched.c (compute_block_forward_dependencies): Only check
13401 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
13403 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
13405 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
13406 (expr_equiv_p): Reject memories with different alias sets.
13408 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
13410 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
13411 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
13412 (f_options): Add "bounded-pointers" and "bounds-check" entries.
13413 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
13414 (lang_init): Set default for flag_bounds_check if still "unspecified".
13416 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13418 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
13420 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13422 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
13425 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13427 * config/c4x/c4x.md (*db_noclobber,
13428 *decrement_and_branch_until_zero_noclobber): New patterns and
13429 associated splitters.
13431 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13433 * config/c4x/c4x.md (parallel instruction patterns): Rework
13434 constraints to keep reload happy.
13436 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13438 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
13439 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
13440 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
13441 Add new patterns and associated post-reload splitters.
13443 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13445 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
13447 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13449 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
13451 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
13453 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13455 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
13458 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
13460 * pa.c (move_operand): Rely on memory_address_p to determine the
13461 validity of non-indexed memory addresses.
13462 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
13463 operand in DFmode and SFmode when generating PA2.0 code.
13465 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
13467 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
13469 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
13471 * mips.c (function_prologue): Fix argument types.
13472 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
13473 (casesi_internal): Write to the scratch register.
13475 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
13477 * cppexp.c (cpp_parse_escape): Make static. Change second arg
13479 (parse_charconst): Delete unnecessary cast when calling
13481 (cpplib.h): Kill prototype of cpp_parse_escape.
13483 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
13485 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
13486 * unroll.c (unroll_loop): Cast return value of alloca.
13487 * i370/i370.c: Include function.h and toplev.h.
13488 (i370_label_scan): Remove c++ commented abort.
13489 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
13490 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
13491 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
13492 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
13494 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
13496 * config/t-freebsd: Do not override USER_H.
13497 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
13499 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
13500 Mumit Khan <khan@xraylith.wisc.edu>
13502 * c-parse.in (component_decl): Support anonymous struct/union.
13504 * c-parse.y: Regenerate.
13505 * c-parse.c: Likewise.
13506 * objc/objc-parse.y: Likewise.
13507 * objc/objc-parse.c: Likewise.
13508 * c-decl.c (finish_struct): Don't sort the fields.
13509 (field_decl_cmp): Delete unused function.
13511 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
13513 * sparc.md (movsf_const_intreg): Revert last constraint change.
13514 (movdf_const_intreg_sp32): Likewise.
13516 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
13518 * cse.c: Include hashtab.h instead of splay-tree.h
13519 (struct cse_reg_info): No longer use variant union. Add new
13520 field "regno". All references changed to avoid union.
13521 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
13522 (free_cse_reg_info): Remove.
13523 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
13524 (get_cse_reg_info): Revamp to use expandable hash tables instead
13525 of splay trees. Initialize new fields in cse_reg_info structure.
13526 (new_basic_block): Similarly.
13528 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
13530 * genrecog.c (message_with_line): Prototype.
13531 (validate_pattern): Pass along the set for the dest, not a flag.
13532 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
13533 Check for PC/CC0 as sources.
13534 (nodes_identical): Check for children position match before
13535 allowing the combination.
13537 * rtl.c (read_rtx): Track line number across \\\n.
13539 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
13541 * mips.h (SPECIAL_MODE_PREDICATES): New.
13542 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
13543 (movdi+1, movsi+1): Add output reload constraint.
13544 (casesi_internal): Likewise. Fix commentary.
13545 (return_internal): Use pmode_register_operand.
13547 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
13549 * 1750a.md (movstrqi): Add missing output reload constraint.
13550 (call_value): Likewise.
13551 * a29k.md (cpxxx patterns): Add missing match_operator mode.
13552 (jmpfdec): Add missing inout reload constraint.
13553 * elxsi.md (addsi patterns): Add missing output reload constraint.
13554 (move from sp): Use @ alternates.
13555 (call_value): No constraint on output.
13556 * fr30.md (movsi_pop): Add missing output reload constraint.
13557 (movsf_constant_store): Likewise.
13558 (splits): Remove constraints.
13559 (subsi3): Add missing mode.
13560 * i370.md (cmpstrsi+1): Add missing output reload constraint.
13561 (call_value): Likewise.
13562 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
13563 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
13564 * m32r.md (movsicc_internal): Add output reload constraint.
13565 (movstrsi_internal): Add inout reload constraints.
13566 * m88k.h (reg_names): Don't declare.
13567 (SPECIAL_MODE_PREDICATES): New.
13568 * m88k.md (*): Use register_operand not reg_or_0_operand
13570 * mn10200.h (PREDICATE_CODES): New.
13571 * ns32k.md (ffs pattern): Add output reload constraint.
13572 * pdp11.md (sob pattern): Add inout reload constraint.
13573 * sh.md (splits): Remove constraints.
13574 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
13575 * v850.md (pattern_is_ok_for_epilogue): Likewise.
13576 * vax.md (jgequ pattern): Add inout reload constraint.
13578 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
13580 * configure.in (djgpp): Revert previous patch.
13581 * configure: Rebuit.
13582 * config/i386/djgpp.h: Revert previous patch.
13584 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
13586 * fixinc/inclhack.def: Restore patch lost during last merge of
13587 "no_bogosity" branch.
13588 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13590 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13592 * fixincludes: Add a HPUX 11 fix for inttypes.h.
13593 * fixinc/inclhack.def: Same.
13594 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
13596 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
13598 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
13599 as the base of a PLUS.
13601 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13603 * config/c4x/c4x.md: Define mode for remaining unspec operators.
13604 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
13606 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
13608 * pa.md (post_stw+1): Use pmode_register_operand.
13609 (dcacheflush, icacheflush): Likewise.
13611 * i386.md (movstricthi_1): Allow r/r.
13613 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
13615 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
13616 to (not (and (arg0) (arg1))). Similary for and.
13618 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
13619 fallthrough to associate code.
13620 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
13623 * combine.c (simplify_logical): Convert XOR to IOR if operands have
13624 no bits in common; remove XOR to ROTATE conversion.
13626 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13628 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
13630 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13632 * config/c4x/c4x.c (dst_operand): New.
13633 (PREDICATE_CODES): Update.
13634 * config/c4x/c4x.h (dst_operand): Declare it.
13635 * config/c4x/c4x.md: Define mode for each unspec usage.
13636 (move patterns): Use dst_operand predicate instead of src_operand.
13637 (movqi_update, movqf_update): Delete.
13639 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
13641 * recog.c (pmode_register_operand): New.
13642 * recog.h: Declare it.
13643 * genrecog.c (pred_codes): Likewise.
13644 (special_mode_pred_table): Likewise.
13645 (validate_pattern): Don't warn no mode for address_operand.
13647 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
13648 if the operand is not insn-like.
13650 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
13651 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
13653 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
13655 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
13657 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
13658 instead of general_operand in a SET_DEST. Use const_double_operand
13659 instead of an explicit test against CONST_DOUBLE.
13660 (movsf_const_lo): Add missing register mode.
13661 (goto_handler_and_restore): Add auxiliary test for Pmode.
13662 (flush): Adjust to use address_operand.
13663 (return_sf_no_fpu): Add missing output constraint.
13665 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
13667 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
13668 for call return value.
13669 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
13671 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
13673 * toplev.c (main): Only warn about options for other languages.
13674 * collect2.c (main): Pass -w to sub-gcc.
13676 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
13678 * flow.c (propagate_block): Add call-clobbered registers to
13681 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
13682 zapping mem_set_list.
13683 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
13684 (mark_set_1, mark_used_regs): Likewise.
13686 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
13688 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
13690 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13692 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
13693 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
13694 options. Also add a new item "C-only Warning Options" to the
13697 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
13699 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
13700 from multiple calls.
13702 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
13704 * i386.md (call value patterns): Move to the end of the file.
13705 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
13707 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
13709 * configure.in (djgpp configuration): Define extra_objects..
13710 * configure: Rebuilt.
13711 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
13712 (DTORS_SECTION_ASM_OP): Define.
13713 (INIT_SECTION_ASM_OP): Define.
13714 (FINI_SECTION_ASM_OP): Define.
13715 (DATA_SECTION_ASM_OP): Define.
13716 (TEXT_SECTION_ASM_OP): Define.
13717 (EH_FRAME_SECTION_ASM_OP): Define.
13718 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
13719 (STARTFILE_SPEC): Add crtbegin.o.
13720 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
13721 to here from LINK_COMMAND_SPEC.
13722 (DO_GLOBAL_CTORS_BODY): Define.
13723 (CRTSTUFF_USE_FINI_SECTION): Define
13724 (HAS_INIT_SECTION): Delete.
13726 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
13728 * Makefile.in (all.cross): Depend on xcpp$(exeext).
13730 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
13732 * pa.h (PREDICATE_CODES): New.
13734 * genrecog.c (validate_pattern): Condense the destination
13735 non-lvalue message.
13737 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
13739 * alpha.md (call-1): Supply missing mode for operator.
13740 (*): Add missing output reload constraints. Remove constraints
13741 from define_splits.
13743 * i386.h (SPECIAL_MODE_PREDICATES): New.
13744 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
13745 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
13746 (addsi_lea_3): Add missing mode for op 3.
13747 (prologue_set_got, prologue_get_pc): Add missing modes.
13748 (*) Add missing output reload constraints.
13750 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
13752 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
13753 check for member bit-size overflow and use var_size if it occurs.
13754 (layout_record): Use bitsize_int() to define the type size in bits.
13755 Likewise for computation and assignment to DECL_FIELD_BITPOS.
13756 (layout_decl): Likewise when assigning to DECL_SIZE.
13758 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
13760 * genrecog.c (validate_pattern): Typo last change. Verify
13761 that output operands have output reloads.
13763 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
13765 * genrecog.c (special_mode_pred_table): New.
13766 (NUM_SPECIAL_MODE_PREDS): New.
13767 (find_operand): New.
13768 (validate_pattern): New argument `insn'. Warn for assignment to
13769 any predicate accepting non-lvalues. Conditionaly warn for
13770 match_operand without a mode. Try much harder to match source
13771 and destination modes on a set.
13772 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
13774 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
13776 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
13778 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
13780 * combine.c (simplify_logical): Recognize xor pattern that encodes
13783 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13785 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
13788 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
13790 * ggc-page.c (MAP_FAILED): Provide default.
13792 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
13794 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
13795 * sparc.h (PREDICATE_CODES): Update.
13797 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
13799 * alpha.c (some_ni_operand): New.
13800 * alpha-protos.h: Declare it.
13801 * alpha.h (PREDICATE_CODES): Update.
13802 * alpha.md (sXaddq reload insns): Use some_ni_operand
13803 for SET_DEST instead of some_operand.
13805 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
13806 Jim Wilson <wilson@cygnus.com>
13808 * genrecog.c (maybe_both_true_2): Don't compare modes of
13810 (process_tree): Elide peephole2_insns. Invoke simplify_tests
13811 after find_afterward.
13812 (debug_decision_1): Dump next and afterward codes.
13814 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
13816 * rtl.c (dump_and_abort): Remove.
13817 (fatal_with_file_and_line): New.
13818 (fatal_expected_char): New.
13819 (read_rtx_lineno, read_rtx_filename): New.
13820 (read_skip_spaces): Track line number.
13821 (read_name): Use fatal_with_file_and_line.
13822 (read_rtx): Use fatal_expected_char. Track line number.
13823 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
13825 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
13826 if it isn't a CODE_LABEL.
13828 * genattr.c (main): Set read_rtx_filename.
13829 * genattrtab.c (main): Likewise.
13830 * gencodes.c (main): Likewise.
13831 * genconfig.c (main): Likewise.
13832 * genemit.c (main): Likewise.
13833 * genextract.c (main): Likewise.
13834 * genflags.c (main): Likewise.
13835 * genopinit.c (main): Likewise.
13836 * genoutput.c (main): Likewise.
13837 * genpeep.c (main): Likewise.
13839 * genrecog.c (decision_test.u.insn): Add `lineno'.
13840 (pattern_lineno, error_count): New variables.
13841 (message_with_line): New.
13842 (add_to_sequence): Break out checking code to ...
13843 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
13844 (merge_insn): Use message_with_line.
13845 (make_insn_sequence): Use validate_pattern. Record insn lineno.
13846 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
13848 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13850 * expr.c (store_constructor): Clear union if constructor is empty.
13852 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
13854 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
13855 Add !endian checks. Change %{...} to %(...).
13857 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
13859 * i386.md (*addsi3_cc): Renamed from addcsi3.
13860 (*addsi3_carry): Renamed from addxsi3.
13861 (*subsi3_cc): Renamed from subcsi3.
13862 (*subsi3_carry): Renamed from subxsi3.
13863 (*xorqi_cc_1): Renamed from xorcqi_1.
13864 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
13865 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
13867 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
13869 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
13870 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
13872 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
13874 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
13875 climb up the chain of insns.
13877 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
13879 * genrecog.c (write_subroutine): Careful for null trees.
13880 (process_tree): Don't elide empty functions.
13882 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
13884 * Makefile.in (genrtl.o): Depend on ggc.h.
13885 * configure.in (valloc): Probe for it.
13886 (with-gc): Use ggc-page if valloc present.
13887 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
13888 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
13889 (ggc_alloc_string): Moved from ggc-page.c.
13890 * ggc-none.c (ggc_alloc_obj): New.
13891 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
13892 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
13893 (struct globals): Likewise for dev_zero_fd.
13894 (init_ggc): Likewise for it's initialization.
13895 (ggc_allocated_p): Move careful dereference from ...
13896 (ggc_lookup_page_table): ... here. Delete.
13897 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
13898 (alloc_anon): Use valloc if no mmap.
13899 (release_pages): Use free if using valloc.
13900 (ggc_alloc_obj): Renamed from alloc_obj.
13901 (ggc_set_mark): Renamed from mark_obj.
13902 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
13903 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
13904 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
13905 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
13906 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
13907 (ggc_collect): Use fp printing instead of our own rounding.
13908 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
13909 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
13910 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
13911 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
13912 (struct ggc_string, struct ggc_any): Delete.
13913 (offsetof): Provide default definition.
13914 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
13916 (struct ggc_mem): New, from corpse of ggc_any.
13917 (struct ggc_status): Delete.
13918 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
13919 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
13920 (n_strings_collected, n_anys_collected): Delete.
13921 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
13922 (ggc_alloc_string, ggc_alloc): Delete.
13923 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
13924 (ggc_free_string, ggc_free_any): Delete.
13925 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
13926 (ggc_compare_addresses, ggc_mark_string): Delete.
13927 (ggc_mark_string_if_gcable, ggc_mark): Delete.
13928 (search_data): Delete.
13929 (struct globals): New.
13930 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
13931 (tree_insert, tree_lookup): New.
13932 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
13933 (clear_marks, sweep_objs): New.
13934 (ggc_collect): Gut. Use clear_marks, sweep_objs.
13935 (init_ggc): Set allocated_last_gc.
13936 (ggc_push_context): Gut. Use G.context.
13937 (ggc_pop_context): Likewise.
13938 (ggc_pop_context_1): New.
13939 (debug_ggc_tree): New.
13940 (debug_ggc_balance, tally_leaves): New.
13941 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
13942 (ggc_mark_string_if_gcable): Remove decl.
13943 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
13944 (ggc_mark_rtvec_children): New.
13945 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
13946 (ggc_mark_if_gcable): New decl.
13947 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
13948 (ggc_alloc_tree, ggc_alloc): Likewise.
13949 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
13950 (ggc_alloc_obj): New decl.
13951 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
13952 (ggc_alloc_tree, ggc_alloc): Likewise.
13953 (ggc_set_mark): New decl.
13954 * rtl.h (struct rtx_def): Remove gc_mark.
13955 (struct rtvec_def): Likewise.
13956 * tree.h (struct tree_common): Likewise.
13958 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
13960 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
13961 float_format and thread_file definitions.
13962 * configure: Rebuilt.
13964 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
13966 * extend.texi (Function Names): Document types of function names.
13968 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13970 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
13971 an earlyclobbered output conflict with RELOAD_INPUT reloads.
13973 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13975 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
13977 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13979 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
13981 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
13983 * collect2.c (main): Do prelimnary link on AIX if rflag.
13985 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13987 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
13988 __CTOR_LIST__ in opposite order, which is the correct order for sorted
13990 (__do_global_dtors): similarly for __DTOR_LIST__.
13992 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13993 Diego Novillo <dnovillo@cygnus.com>
13995 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
13998 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
14000 * fixincl/*: Merged "no_bogosity" branch
14001 * fixincl/fixlib.h: protect against doubly defining t_bool
14002 * fixincl/server.h: protect against doubly defining t_bool
14004 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
14006 * genoutput.c: Include toplev.h.
14008 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
14010 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
14012 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
14013 * configure: Regenerate.
14015 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14017 * gcse.c (delete_null_pointer_checks): Returns void.
14019 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14021 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
14022 * emit-rtl.c (copy_insn_1): Likewise.
14024 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14026 * config/mips/mips.c (mips_build_va_list): Correct
14027 TREE_CHAIN setting when hard-float.
14028 (mips_va_start): Use corrected setting.
14029 (mips_va_arg): Likewise. Also pass a tree to build of
14030 POSTINCREMENT_EXPR rather than a naked 'int'.
14032 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
14034 * ggc.h (ggc_push_context): Fix comment.
14035 (ggc_pop_context): Likewise.
14036 (mark_string_if_gcable): Likewise.
14037 * ggc-common.c (ggc_mark_rtx_children): Use
14038 ggc_mark_string_if_gcable.
14039 * ggc-page.c (ggc_lookup_page_table): New function.
14040 (ggc_allocated_p): Likewise.
14041 (mark_obj): Fix formatting.
14042 (ggc_mark_string_if_gcable): New function.
14043 * ggc-simple.c (ggc_allocated_strings): New variable.
14044 (ggc_strings_used): Likewise.
14045 (ggc_compare_addresses): New function.
14046 (ggc_pop_context): Pop the `any' memory too.
14047 (ggc_mark_string_if_gcable): New function.
14048 (ggc_collect): Initialize and tear down ggc_allocated_strings.
14050 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
14052 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
14053 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
14054 * rs6000.c (expand_block_move): Match movstrsi_?reg register
14057 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
14059 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
14060 (sched_reg_live_length, sched_reg_basic_block): Delete.
14061 (current_block_num, bb_live_regs, old_live_regs): Delete.
14062 (dead_notes, struct sometimes): Delete.
14063 (sched_note_set, birthing_insn_p): Delete.
14064 (adjust_priority): Gut useless reg lifetime code.
14065 (create_reg_dead_note, attach_deaths): Delete.
14066 (attach_deaths_insn, new_sometimes_live): Delete.
14067 (finish_sometimes_live): Delete.
14068 (find_pre_sched_live, find_post_sched_live): Delete.
14069 (update_reg_usage): Delete.
14070 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
14071 (schedule_insns): Delete reg lifetime code.
14072 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
14073 (unlink_other_notes): Adjust REG_NOTE commentary.
14074 (reemit_notes): Use REG_SAVE_NOTE.
14075 (schedule_block): Likewise.
14076 (schedule_region): Allocate bitmap of blocks in region. Use
14077 count_or_remove_death_notes. Use update_life_info.
14079 * rtl.h (REG_SAVE_NOTE): New.
14080 * rtl.c (reg_note_name): Update.
14082 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
14084 * combine.c (refresh_blocks, need_refresh): New.
14085 (combine_instructions): Allocate refresh_blocks. Invoke
14086 update_life_info if needed.
14087 (distribute_notes): Mark refresh_blocks instead of installing
14089 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
14090 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
14092 * Makefile.in (recog.o): Depend on basic-block.h.
14094 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
14096 * genrecog.c (add_to_sequence): Thinko last change: delete
14097 shadowing allow_const_int variable.
14099 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14101 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
14102 __GNUC__ and __GNUC_MINOR__.
14104 * gansidecl.h: Likewise.
14110 * toplev.h: Likewise.
14112 * tree.c: Likewise.
14114 * tree.h: Likewise.
14116 * varray.c: Likewise.
14118 * varray.h: Likewise.
14120 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14122 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
14123 use one before a jump table.
14125 * rtl.def (ADDRESS): Change documentation to match reality.
14126 * md.texi: Don't document it.
14127 * gmicro.md (load address pattern): Use 'p' constraint, delete use
14130 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
14132 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
14134 * genrecog.c (add_to_sequence): Move allow_const_int test outside
14135 known predicate block; default allow_const_int true.
14136 (debug_decision_list): New.
14138 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
14140 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
14142 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
14144 * gcse.c (gcse_main): Avoid global optimizations if we have a
14145 large number of basic blocks and the ratio of edges to blocks
14147 (delete_null_pointer_checks): Likewise.
14149 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
14151 * c-common.c (check_format_info): Warn if format string isn't a
14154 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14156 * configure.in (arm*-*-*): Don't let autoconf remove brackets
14157 * configure: regenerate
14159 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
14161 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
14162 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
14163 (peepholes): Re-enable.
14165 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
14167 * Makefile.in (flow.o): Depend on TREE_H.
14168 * basic-block.h (REG_SET_EQUAL_P): New.
14169 (XOR_REG_SET): New.
14170 (n_edges): Declare.
14171 (free_regset_vector): Remove declaration.
14172 (flow_delete_insn_chain): Declare.
14173 (enum update_life_extent): New.
14174 (update_life_info, count_or_remove_death_notes): Declare.
14175 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
14176 Verify register live at bb->global_live_at_start before adding USE.
14177 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
14178 (CLEAN_ALLOCA): New.
14180 (PROP_*): New flags.
14181 (find_basic_blocks_1): Use alloc_EXPR_LIST.
14182 (clear_edges): Zero n_edges.
14183 (make_edge): Increment n_edges.
14184 (split_edge): Don't allocate bb->local_set. Increment n_edges.
14185 (flow_delete_insn_chain): Export.
14186 (delete_block): Decrement n_edges.
14187 (merge_blocks_nomove): Likewise.
14188 (life_analysis): Give life_analysis_1 PROP flags.
14189 (verify_wide_reg_1, verify_wide_reg): New.
14190 (verify_local_live_at_start): New.
14191 (update_life_info): Rewrite to call into propogate_block.
14193 (mark_regs_live_at_end): After reload, if epilogue as rtl,
14194 always mark stack pointer. Conditionally mark PIC register.
14195 After reload, mark call-saved registers, return regsiters.
14196 (life_analysis_1): Accept PROP flags not remove_dead_code.
14197 Call mark_regs_live_at_end before zeroing regs_ever_live.
14198 Use calculate_global_regs_live. Copy global_live_at_end before
14199 calling final propagate_block. Zero reg_next_use on exit.
14200 (calculate_global_regs_live): New.
14201 (allocate_bb_life_data): Don't allocate bb->local_set.
14202 (init_regset_vector, free_regset_vector): Remove.
14203 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
14204 Test flags before every operation. Warn if prologue/epilogue insn
14205 would have been deleted.
14206 (mark_set_regs, mark_set_1): Accept and use FLAGS.
14207 Use alloc_EXPR_LIST.
14208 (mark_used_regs): Accept and use FLAGS, not FINAL.
14209 Remove special handling for RETURN.
14210 (try_pre_increment): Use alloc_EXPR_LIST.
14211 (dump_flow_info): Dump n_edges.
14212 (unlink_insn_chain, split_hard_reg_notes): Remove.
14213 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
14214 (find_insn_with_note, new_insn_dead_notes): Remove.
14215 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
14216 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
14217 (replace_insns): Remove.
14218 (count_or_remove_death_notes): New.
14219 (verify_flow_info): Abort on error after all checks.
14220 (remove_edge): Decrement n_edges.
14221 (remove_fake_edges): Tweek format.
14222 * haifa-sched.c (schedule_insns): Use split_all_insns.
14223 * output.h (update_life_info): Remove declaration.
14224 * recog.c (split_all_insns): From the corpse of split_block_insns,
14225 do the whole function block by block. Use update_life_info.
14226 (recog_last_allowed_insn): New.
14227 (recog_next_insn): Mind it.
14228 (peephole2_optimize): Set it. Walk backwards through blocks.
14229 Use update_life_info.
14230 * rtl.h (update_flow_info, replace_insns): Remove declarations.
14231 (split_all_insns): Declare.
14232 * toplev.c (rest_of_compilation): Thread prologue before flow2.
14233 Use split_all_insns.
14235 * i386.md (or -1 peep2s): Disable.
14237 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
14239 * config/mips/mips.md (movstrsi+[123]) : Combine these into
14240 a single pattern. Scrap the 'd' versions as unnecessary.
14242 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
14243 tablejump_mips162,tablejump_internal4): The operands to a
14244 label_ref must be VOIDmode.
14246 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14248 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
14250 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14252 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
14254 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14256 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
14257 cache every function if ggc_p.
14259 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14261 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
14262 instead of copy_rtx. Accept sequences that contain asm statements.
14263 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
14264 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
14265 orig_asm_operands_vector, copy_asm_operands_vector,
14266 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
14268 * rtl.h (copy_insn, copy_insn_1): Declare.
14270 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14272 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
14274 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
14275 arguments to `current_file_function_operand'.
14277 * genrecog.c: Include hard-reg-set.h and resource.h in the
14278 generated output file.
14280 * real.c: Include tm_p.h.
14282 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14284 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
14287 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
14289 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
14290 before the fctiwz insn.
14292 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14293 Mark Mitchell <mark@codesourcery.com>
14295 * tree.c (make_lang_type_fn): New funtion pointer.
14296 (make_lang_type): Call it.
14297 * tree.h (make_lang_type): Declare.
14298 (make_lang_type_fn): Likewise.
14299 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
14301 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
14303 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
14304 make sure that HIGH instructions are copied into BASE_REGS.
14306 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
14308 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
14310 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
14312 * c-decl.c (finish_struct): Use simpler method of
14313 removing elements of a singly-linked list.
14315 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
14317 * alpha.md (peephole2's): Comment out peephole2's that generate
14320 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
14322 * genrecog.c (add_to_sequence): Disable mode check for
14325 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14327 * ggc-simple.c (init_ggc): Set empty_string.
14329 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
14331 * configure.in: Detect mmap. Add --with-gc=foo to select
14332 garbage collector; default to page if mmap available.
14333 * Makefile.in (GGC): Substitute.
14335 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
14337 * c-decl.c (ggc_p): Enable.
14339 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14341 * flow.c (verify_flow_info): Make it extern & unconditionally define.
14343 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
14345 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
14346 string for little-endian-data.
14348 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
14350 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
14351 case somebody tries to compile --enable-checking code with gcc
14354 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
14356 * genrecog.c (add_to_sequence): Verify operand to label_ref is
14359 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
14361 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
14362 * jump.c (jump_optimize_1): Document why.
14364 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14366 * collect2.c (scan_prog_file, scan_libraries): Prototype function
14367 pointers and casts for `int_handler' and `quit_handler'.
14369 * flow.c (verify_flow_info, split_hard_reg_notes,
14370 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
14371 remove_edge, remove_fake_successors): Add static prototypes.
14372 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
14373 (mark_set_1): Initialize variable `regno'.
14374 (unlink_insn_chain): Likewise for variable `curr'.
14375 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
14377 * loop.c (strength_reduce): Initialize variable
14378 `unrolled_insn_copies'.
14379 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
14380 prototypes. Change these functions to take const PTR parameters
14381 to avoid prototype conflict when used as the comparson argument
14383 (check_dbra_loop): Initialize variable `comparison_val'.
14385 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
14386 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
14387 (find_valid_class): Initialize variable `best_class'.
14388 (find_reloads): Call memcpy, not bcopy.
14390 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
14391 (hard_reg_use_compare): Don't needlessly cast away const.
14392 (reload_reg_class_lower): Likewise.
14393 (choose_reload_regs): Initialize variable `regno'.
14395 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
14397 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
14399 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
14401 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
14402 ({,d}discard): Add forward declarations. Declare parameter as
14404 (main_without_main): Explicitly declare return type to be int.
14405 (memcpy): Properly declare.
14407 * libgcc2.c (toplevel): If inhibit_libc is defined and not
14408 building the trampoline support, declare malloc, free, and
14410 (__clear_cache): Mark arguments as potentially unused.
14412 * frame.c (toplevel): If inhibit_libc is defined, declare
14415 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
14417 * flow.c (make_edge): Accept an optional 2D bitmap in which
14418 to cache edge existence. Update all callers.
14419 (make_label_edge, make_eh_edge): Pass through the edge cache.
14420 (make_edges): Provide the cache.
14422 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14424 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
14426 (local_mbtowc): Change the type of variable `i' from int to size_t.
14428 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
14429 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
14431 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
14433 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
14434 after other includes that define the appropriate types. Include
14435 tm_p.h for getting user prototypes.
14436 * ggc-callbacks.c (toplevel): Ditto.
14437 * ggc-none.c (toplevel): Ditto.
14438 * gcc-page.c (toplevel): Ditto.
14439 * ggc-simple.c (toplevel): Ditto.
14441 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
14442 Jonathan Larmour <jlarmour@cygnus.co.uk>
14444 * config/mips/mips.c (mips_move_2words): Split doubles if
14445 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
14447 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
14449 * genrecog.c (struct decision_test): New.
14450 (struct decision): Remove test-related members, sort the rest by size.
14451 (IS_SPLIT): Simplify.
14452 (new_decision, new_decision_test): New.
14453 (add_to_sequence): Use them. No special handling for args of
14455 (maybe_both_true): Renamed from not_both_true; return sense changed.
14456 (maybe_both_true_1, maybe_both_true_2): New. Broken out
14457 of maybe_both_true and adjusted for decision_test.
14458 (position_merit): Remove.
14459 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
14460 (merge_accept_insn): New, broken out of merge_trees.
14461 (merge_trees): Use them. No special case for c_test; no node
14462 splitting; use test type instead of position_merit.
14463 (factor_tests): New.
14464 (simplify_tests): New.
14465 (break_out_subroutines): Don't write code now.
14466 (find_afterward): New.
14467 (write_afterward, write_switch, write_cond): New.
14468 (write_action, is_unconditional): New.
14469 (write_node): New. Use them.
14470 (write_tree_1): Rewrite. Use the new functions above.
14471 (write_tree): Remove afterward processing.
14472 (write_subroutine): Simplify function variant emission.
14473 (write_subroutines): New.
14474 (same_codes, clear_codes): Remove.
14475 (same_modes, clear_modes): Remove.
14476 (write_header): New, broken out of main.
14477 (make_insn_sequence): Use new_decision and new_decision_test.
14478 (process_tree): New, broken out of main.
14479 (main): Adjust for merge_trees interface change.
14480 Don't #define operands in the output file.
14481 (record_insn_name): New, broken out of make_insn_sequence.
14482 (debug_decision_2, debug_decision_1, debug_decision_0): New.
14483 (debug_decision): New.
14485 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
14487 * resource.c (find_free_register): Mark class_str argument const.
14488 * resource.h: Update prototype to match.
14490 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
14491 * i386.md: Give all anonymous insns names.
14493 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
14495 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
14498 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
14500 * toplev.c (dbr_sched_time): Unconditional.
14501 (peephole2_time): New.
14502 (compile_file): Add pass numbers to all of the dump file suffixes.
14503 Dump peephole2_time. Don't dump times for non-applicable passes.
14504 (rest_of_compilation): Add pass numbers to dump file suffixes.
14505 Conditionalize calls to the scheduler.
14506 * invoke.texi: Update.
14508 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
14510 * flow.c (make_edges): Fix insn iteration.
14511 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
14512 (find_basic_blocks_1): Fix spelling mistake.
14514 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
14516 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
14517 always have side-effects. Use memset not bzero.
14518 (make_node): Likewise.
14520 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
14522 * stmt.c (expand_anon_union_decl): When any of the elements of the
14523 union is addressable, so is the entire union.
14525 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
14527 * sbitmap.c (sbitmap_ones): Don't set too many bits.
14529 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
14530 * bitmap.c (bitmap_operation): Return true iff TO changed.
14531 (bitmap_equal_p): New.
14532 (bitmap_bit_p): Tidy arithmetic.
14533 (debug_bitmap_file): Likewise.
14535 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
14537 * toplev.c (rest_of_compilation): Turn on cse_not_expected
14538 before cse2 instead of after.
14540 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
14542 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
14545 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14547 * cppinit.c (is_idchar initializer): Loosen tests to accept
14550 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
14552 * mips.md: Define conditional move patterns for floating point
14553 operands and DI mode conditions.
14555 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
14557 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
14558 always have side-effects.
14560 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
14562 * mn10200.c (asm_file_start): Fix typo.
14564 * cppinit.c (is_idchar initializer): Tighten tests for when
14565 to put the table into initialized memory.
14567 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
14568 not an array of rtunion.
14569 * gcc-page.c (ggc_alloc_rtvec): Similarly.
14570 * gcc-simple (ggc_free_rtvec): Similarly.
14572 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
14575 * mbchar.h: Add missing #endif.
14577 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
14578 (FPBIT, DPBIT): Define.
14580 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14582 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
14584 * profile.c (instrument_arcs, output_gcov_string,
14585 tablejump_entry_p): Add static prototypes.
14586 (output_gcov_string): Constify a char*.
14588 * regmove.c (replacement_quality, fixup_match_2): Add static
14591 * resource.h (reg_dead_p): Add extern prototype.
14593 * rtl.c (trim_filename): Add static prototype.
14595 * scan-decls.c (skip_to_closing_brace): Likewise.
14597 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
14598 (expand_end_case): Initialize variable `range'.
14599 (emit_case_nodes): Remove unused prototype `rtx_fn'.
14601 * varasm.c (asm_emit_uninitialised): Add static prototype.
14602 (asm_emit_uninitialised, assemble_variable): Mark parameter with
14605 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14607 * cpplib.c (if_directive_nameo): Add static prototype.
14609 * cse.c (cse_insn): Remove unused variable `p'.
14611 * except.c (create_rethrow_ref, push_entry,
14612 receive_exception_label, new_eh_region_entry, find_func_region,
14613 clear_function_eh_region, process_nestinfo): Add static prototypes.
14614 (get_reg_for_handler): Hide definition.
14615 (process_nestinfo): Initialize variable `extra_handlers'.
14617 * expr.h (expand_builtin_longjmp): Add extern prototype.
14619 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
14621 * function.c (prepare_function_start): Likewise.
14622 (pop_function_context_from): Mark parameter `context' with
14624 (push_temp_slots_for_block, flush_addressof): Hide definition.
14626 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
14627 solve_program_flow_graph, calculate_branch_probs,
14628 function_summary, main, fancy_abort): Add prototypes.
14630 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
14631 (add_hash): Constify a char*.
14633 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
14634 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
14635 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
14637 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
14639 * lists.c (free_list, zap_lists): Likewise.
14641 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14643 * alias.c (nonlocal_reference_p): Add static prototype.
14645 * bitmap.c (bitmap_element_allocate): Prototype args in function
14648 * builtins.c (stabilize_va_list): Add static prototype.
14649 (expand_builtin_va_arg): Constify a char*.
14651 * c-lex.c (getch, put_back, extend_token_buffer_to,
14652 read_line_number, token_getch, token_put_back): Add static
14655 * c-parse.gperf (hash, is_reserved_word): Likewise.
14657 * cccp.c (is_dir_separator): Likewise.
14659 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14661 * graph.h: New file to prototype functions exported by graph.c.
14663 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
14665 * graph.c: Include graph.h.
14667 * toplev.c: Likewise. Remove redundant prototypes.
14669 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
14671 * invoke.texi: Removed duplicated description for -Q.
14673 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
14675 * extend.texi: Grammar fix in __extension__ text.
14677 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
14679 * md.texi (define_peephole2): New section.
14681 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
14683 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
14684 (mov $-1 to or peepholer): Enable for pentium when optimizing for
14687 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
14689 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
14691 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
14693 * i386.md (ffs expander): Emit Pentium friendly code for
14696 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
14698 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
14700 (build1): Likewise.
14702 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14704 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
14706 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
14708 * config/m68k/m68k.c (use_return_insn): Return false if the pic
14709 register is in use.
14711 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14713 * md.texi (No Constraints): Delete section.
14714 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
14715 * final.c (final_scan_insn): We always have register constraints.
14716 * genattrtab.c: Don't include "insn-config.h".
14717 (write_attr_case): We always have register constraints.
14718 * genconfig.c (register_constraint_flag): Delete.
14719 (walk_insn_part): Don't check whether we have register constraints.
14720 (main): Don't write out "#define REGISTER_CONSTRAINTS".
14721 * genoutput.c (have_constraints): Delete.
14722 (main): Don't set it.
14723 (output_operand_data): We always have constraints.
14724 (scan_operands): Likewise.
14725 (compare_operands): Likewise.
14726 * local-alloc.c (block_alloc): We always have constraints.
14727 (requires_inout): Always compile this function.
14728 * recog.c (extract_insn): We always have constraints.
14729 (constrain_operands, reg_fits_class_p): Always compile these
14731 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
14733 (struct insn_operand_data): Likewise.
14734 * regclass.c (regclass): We always have constraints.
14735 (record_reg_classes, copy_cost, record_address_regs,
14736 auto_inc_dec_reg_p): Always compile these functions.
14737 * regmove.c (regmove_optimize): We always have constraints.
14738 * reload.c (find_reloads): Likewise.
14739 * reload1.c (reload): Likewise.
14740 (reload_cse_simplify_operands): Likewise.
14741 * i860.c (output_delay_insn): Likewise.
14743 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
14745 * iris6.h (BUILD_VA_LIST_TYPE): Define.
14747 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14749 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
14750 for the va_list record.
14752 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
14754 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
14757 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
14759 * alias.c: Include insn-flags.h.
14760 * Makefile.in (alias.o): Update.
14762 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
14764 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
14765 to LTU and GEU. Handle more cases using sbb.
14767 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
14769 * i386.md (truncatexfdf splitters): Do not use subreg.
14770 (fop XFmode patterns): Fix mode in operand testing.
14772 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
14774 * jump.c (jump_optimize_1): Amend last change to test only the
14775 form of the operand, not the insn.
14777 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
14778 not register_operand to determine when B may need preloading.
14780 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
14782 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
14783 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
14784 (call-value patterns): Move to end of file.
14785 (*): Remove mode from label_ref in (pc) context.
14786 (movstrqi): Use memory not general_operand for BLKmode operands.
14787 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
14788 to register_operand operands.
14789 (peep2 patterns): Convert from commented-out peephole patterns.
14791 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14793 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
14794 to BUILT_IN_INIT_DWARF_REG_SIZES.
14795 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
14796 Renamed from BUILT_IN_DWARF_REG_SIZE; call
14797 expand_builtin_init_dwarf_reg_sizes.
14798 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
14799 with __builtin_init_dwarf_reg_size_table.
14800 * dwarf2out.c (struct reg_size_range): Delete.
14801 (expand_builtin_init_dwarf_reg_sizes): New function.
14802 (expand_builtin_dwarf_reg_size): Delete.
14803 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
14804 (expand_builtin_dwarf_reg_size): Don't declare.
14805 * libgcc2.c (dwarf_reg_size_table_initialized): New.
14806 (dwarf_reg_size_table): New.
14807 (init_reg_size_table): New function.
14808 (copy_reg): Use dwarf_reg_size_table.
14809 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
14812 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
14814 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
14815 Correctly build argument list to constructor and destructor functions.
14817 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
14819 * c-tree.h (warn_float_equal): Declare.
14820 * c-decl.c (warn_float_equal): Define.
14821 (c_decode_option): Recognize -W[no-]float-equal.
14822 * c-typeck.c (build_binary_op): Conditionally warn
14823 about equality tests of floating point types.
14824 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
14825 * invoke.texi: Add docs for -Wfloat-equal warning.
14827 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
14829 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
14830 generating RTL directly.
14831 * mips.h (INIT_TARGET_OPTABS): Likewise.
14832 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
14834 * expr.h (init_mov_optab): Delete declaration
14836 * h8300.c (WORD_REG_USED): Update to avoid useless register
14837 saves in interrupt functions and functions which never return.
14839 * cse.c (struct set): Delete inner_dest_loc field.
14840 (cse_insn): Remove assignments to inner_dest_loc field.
14842 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
14844 * ggc-page.c: Don't include <unistd.h> etc taken care of
14845 by "system.h". Include <sys/mman.h> afterward.
14847 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
14849 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
14852 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
14854 * xcoffout.c (xcoffout_declare_function): Add documentation.
14855 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
14856 TARGET_64BIT. Compare constant to -1, not bit pattern.
14857 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
14858 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
14861 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
14863 * dwarf2out.c (add_abstract_origin_attribute): Abort if
14864 origin_die is NULL.
14865 (gen_inlined_enumeration_type_die): Do not abort if the type has
14866 not been writeen out.
14867 (gen_inlined_structure_type_die): Do not abort if the type has
14868 not been writeen out.
14869 (gen_inlined_union_type_die): Do not abort if the type has
14870 not been writeen out.
14871 (gen_tagged_type_instantiation_die): Do not abort if the type
14872 has not been written out.
14874 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14876 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
14878 * reg-stack.c (straighten_stack): Copy hard reg set with
14881 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
14883 * builtins.c (stabilize_va_list): Stabilize array type va_list
14884 to a pointer type, not the base record type.
14885 (expand_builtin_va_copy): Dereference the pointers explicitly;
14886 use the correct size for the copy.
14888 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
14889 (rs6000_va_arg): Likewise.
14891 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
14893 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
14895 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
14897 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
14899 (DECL_BUILT_IN_CLASS): Adjust accordingly.
14901 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
14903 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
14904 (init_ggc): Use it instead of a constant.
14905 (ggc_collect): Bound allocated_last_gc by it.
14907 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
14909 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
14912 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
14914 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
14915 (mips*-*-openbsd*): Let big endian configuration be a fragment.
14916 * configure: Regen.
14917 * config/mips/openbsd.h: New, OpenBSD little endian target.
14918 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
14919 * config/mips/xm-openbsd.h: New, OpenBSD host.
14921 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
14923 * config/m68k/m68k.c (output_function_prologue,
14924 output_function_epilogue): Use
14925 current_function_uses_pic_offset_table instead of regs_ever_live
14926 to decide whether to save/restore pic register.
14927 (legitimize_pic_address): Don't modify regs_ever_live any more.
14929 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
14931 * function.h (struct function): Add x_dont_save_pending_sizes_p.
14932 * stor-layout.c (variable_size): Don't add sizes to the pending
14933 sizes list if x_dont_save_pending_sizes_p is set.
14935 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
14937 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
14938 for symbolic_operand().
14939 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
14941 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14943 * combine.c (gen_rtx_combine): Add missing call to va_end().
14945 * final.c (asm_fprintf): Likewise.
14947 * genattrtab.c (attr_rtx): Likewise.
14949 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
14951 * cse.c: Update comments.
14952 (cse_insn): When converting a conditional/computed jump into
14953 an unconditional jump, always make sure a BARRIER immediately
14954 follows the converted jump. Do not delete unreachable code.
14955 (cse_basic_block): Do not delete unreachable code.
14956 * toplev.c (rest_of_compilation): Move call to
14957 delete_trivially_dead_insns after the conditional call to
14960 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14962 * collect2.c (make_temp_file): Don't prototype.
14964 * gcc.c (make_temp_file): Likewise.
14966 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
14968 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
14970 * varasm.c (asm_emit_uninitialised): New function: Generate
14971 the assembler statements necessary to declare an uninitialised
14973 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
14975 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
14976 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
14978 (assemble_variable): Use asm_emit_uninitialised to emit an
14979 uninitialised variable.
14981 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
14983 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
14984 constant on a 64 bit host. Patch supplied by Geoffrey Keating
14985 <geoffk@cygnus.com>.
14987 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14989 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
14990 * c-common.h (builtin_function): Don't declare.
14992 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
14994 (pushdecl): Likewise.
14995 (finish_decl): Likewise.
14996 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
14997 int. All callers changed.
14998 Set the builtin's DECL_BUILT_IN_CLASS.
14999 * tree.h (enum built_in_class): New.
15000 (enum built_in_function): Delete NOT_BUILT_IN.
15001 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
15003 (DECL_SET_FUNCTION_CODE): Likewise.
15004 (DECL_BUILT_IN_CLASS): New macro.
15005 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
15006 (struct tree_decl): Split builtin function code field into a
15008 (builtin_function): Declare.
15010 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
15012 * optabs.c (init_traps): Fix typo in last change.
15014 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
15016 * toplev.c (rest_of_decl_compilation): Update comment.
15018 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15020 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
15021 in .sbss if appropriate.
15022 (EXTRA_SECTION_FUNCTIONS): Add sbss.
15023 (SBSS_SECTION_ASM_OP): New macro.
15024 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
15025 (EXTRA_SECTIONS): Add in_sbss.
15026 * config/mips/mips.h: Prototype sbss_section.
15028 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
15030 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
15033 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
15035 * optabs.c (init_traps): Register trap_rtx as a GC root.
15037 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15039 * config/mips/mips.c (function_arg_pass_by_reference): Define
15040 unconditionally, since it's called unconditionally.
15042 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15044 * toplev.c (documented_lang_options): Add -fshort-wchar.
15045 * c-decl.c (c_decode_option): Likewise.
15046 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
15048 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
15049 * gcc.c (default_compilers): If -fshort-wchar,
15050 override __WCHAR_TYPE__.
15051 * tm.texi (C Dialect Options): Add -fshort-wchar.
15053 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
15054 symbol for a variable.
15056 * cpplib.h (CPP_PREPROCESSED): New macro.
15057 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
15058 we're seeing this input for a second time.
15060 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
15062 * emit-rtl.c (init_emit_once): Initialize modes first.
15064 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
15066 * config/i386/i386.c (pic_label_name): Change to char pointer.
15067 (global_offset_table): New variable.
15068 (load_pic_register): Fill global_offset_table if it hasn't
15069 already been done. Allocate pic_label_name dynamically.
15070 * ggc.h (empty_string): New variable.
15071 * ggc-simple.c (empty_string): Likewise.
15072 (init_ggc): Allocate empty_string and add as root.
15073 * stmt.c (digit_strings): New variable.
15074 (init_stmt): Add last_block_end_note as root. Allocate and
15075 initialize digit_strings.
15076 (expand_asm_operands): Use empty_string instead of string
15077 constant. Use digit_strings instead of string constants.
15078 * profile.c (init_arc_profiler): Allocate string with
15079 ggc_alloc_string instead of xmalloc.
15080 (output_func_start_profiler): Likewise.
15081 * c-typeck.c (digest_init): Check if init is error_mark_node.
15083 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
15084 Richard Henderson <rth@cygnus.com>
15086 * ggc-page.c: New file.
15087 * Makefile.in (ggc-page.o): New.
15089 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
15091 * invoke.texi: Document -fdelete-null-pointer-checks
15092 * toplev.c (flag_delete_null_pointer_checks): New.
15093 (f_options): Add entry for -fdelete-null-pointer-checks.
15094 (rest_of_compilation): Conditionalize null pointer check
15095 elimination on flag_delete_null_pointer_checks.
15096 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
15098 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
15100 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
15101 copyright notice and special exception to GPL.
15103 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15105 * abi64.h (mips_function_value): Add prototype arguments.
15107 * mips-protos.h: New file with mips prototypes.
15109 * mips.c: Include "tm_p.h".
15110 (mktemp, lookup_name): Add prototype arguments.
15111 (extern_list, string_constant, mips_fill_delay_slot,
15112 mips_output_external, mips_output_external_libcall,
15113 mips_output_filename, mips_declare_object, function_prologue,
15114 mips_expand_prologue, function_epilogue, mips16_constant,
15115 build_mips16_function_stub, mips_output_conditional_branch):
15117 (mips_va_start): Remove unused variable `u'.
15118 (mips_va_arg): Cast value to unsigned when comparing against one.
15120 (save_restore_insns, mips_expand_prologue): Add missing arg in
15121 call to `large_int'.
15123 * mips.h: Move prototypes to mips-protos.h.
15124 (data_section, memory_address_p, rdata_section,
15125 readonly_data_section, simple_epilogue_p, text_section): Delete
15126 prototypes delcared elsewhere.
15127 (mips_epilogue_delay_slots, print_options): Delete unused decls.
15129 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
15131 * mips.md: Delete extra args in call to `mips_move_2words'.
15133 * xm-iris6.h (alloca): Add prototype argument.
15135 * genpeep.c: Include "tm_p.h" in generated output file.
15137 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15139 * basic-block.h (find_edge_index): Change parameters.
15140 * flow.c (verify_edge_list): Pass basic_block parameters to
15141 find_edge_index instead of integers.
15143 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
15145 * combine.c (simplify_comparison): Use an unsigned shift to adjust
15148 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
15150 * gcc.1: Fix a formatting error.
15152 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15154 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
15155 i786, mn10200, mn10300, pdp11, v850.
15157 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
15159 * libgcc2.c (num_digits): Add prototype with
15160 __attribute__((const)).
15161 (__terminate): Add prototype.
15163 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
15165 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
15167 * alpha/alpha.c (print_operand): Fix type of `code'.
15168 (alpha_output_filename): Constify.
15169 * alpha/alpha.h: Move all function declarations ...
15170 * alpha/alpha-protos.h: ... here. New file.
15171 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
15172 (SECTION_FUNCTION_TEMPLATE): Likewise.
15174 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15176 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
15177 * expr.c (expand_expr): Likewise.
15178 (do_jump): Likewise.
15179 (do_store_flag): Pass ccp_store_flag to can_compare_p.
15180 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
15182 (enum can_compare_purpose): New.
15183 (can_compare_p): Adjust prototype.
15184 (prepare_cmp_insn, prepare_operand): Declare.
15185 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
15186 * optabs.c (cmp_available_p): Deleted.
15187 (expand_abs): Pass ccp_jump to can_compare_p.
15188 (can_compare_p): New arg PURPOSE. Check for combined optabs.
15189 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
15190 Call can_compare_p rather than cmp_available_p.
15191 (prepare_operand): No longer static.
15192 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
15193 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
15194 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
15195 sequence to use emit_cmp_and_jump_insns.
15196 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
15198 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
15200 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
15201 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
15202 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
15203 (plus (reg) (const_int 0))
15204 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
15206 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
15208 * rs6000.c (expand_block_move): DImode loads and stores require
15209 word-aligned displacements. Increment address registers with
15210 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
15212 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
15214 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
15215 is no name for the base type, rather than segfault. If we are
15216 writing out a complex integer type, use DW_ATE_lo_user.
15218 * expr.c (emit_move_insn_1): If we are copying a complex that fits
15219 in one word or less (complex char, complex short, or on 64 bit
15220 systems complex float) to/from a hard register, copy it through
15221 memory instead of dying in gen_{real,imag}part. If we have a
15222 short complex type, prevent inlining since it allocates stack
15225 * tree.c (build_complex_type): If we are writing dwarf2 output,
15226 generate a name for complex integer types.
15228 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15230 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
15231 * flow.c (remove_edge): Remove extra whitespace.
15232 (remove_fake_edges): Fix comment.
15233 (add_noreturn_fake_exit_edges): Use the correct name.
15235 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
15237 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
15238 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
15239 (clean): Depend on INTL_CLEAN.
15240 (maintainer-clean): Adjust.
15242 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15244 * configure.in (AC_PREREQ): Bump to 2.13.
15245 (AC_C_STRINGIZE): Call this instead of using a custom macro.
15247 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
15249 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
15251 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
15253 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
15254 (HAVE_STRINGIZE): Define.
15256 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
15258 * c-parse.in: save and restore warn_pointer_arith on __extension__
15259 along with pedantic.
15260 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
15261 Set the type of extension to itype rather than $<itype>1 kludge.
15262 * extend.texi (Alternate Keywords): Adjust documentation.
15263 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
15265 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
15267 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
15268 most assembler templates.
15270 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
15271 FP loads and stores.
15272 (following_call): Always return zero for the PA8000.
15273 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
15274 FP loads and stores.
15275 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
15277 * pa.h (BRANCH_COST): Define.
15279 * pa.md (return, return_internal): Use bve for PA2.0.
15281 * pa.md (fused multiply): Add variants which reduce height for the
15282 fused multiply, but which still generate 2 insns.
15283 (fnegabs): Similarly.
15285 * pa.md (subsi3): Turn into an expander. Create two anonymous
15286 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
15287 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
15289 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
15291 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
15293 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
15294 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
15296 * regclass.c (init_regs): Add "top_of_stack" as a garbage
15299 * flow.c (record_active_eh_regions): Terminate loop after finding
15300 the last insn in the last basic block.
15302 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15304 * config/c4x/c4x.md: Delete parallel instruction peepholes.
15306 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15308 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
15310 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15312 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
15313 splitting to not use output template.
15315 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15317 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
15318 * config/c4x/c4x.c (c4x_va_start): New function.
15320 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
15322 * genrecog.c (not_both_true): Handle correctly cases when called for
15323 tests with different positions in the insn.
15325 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15327 * machmode.h (HOST_PTR_PRINTF): Move from here ...
15329 * system.h (HOST_PTR_PRINTF): ... to here.
15331 * mips-tfile.c: Don't include machmode.h.
15333 * Makefile.in (MACHMODE_H): New variable. Update to use it.
15334 (mips-tfile.o): Don't depend on machmode.h.
15336 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15338 * haifa-sched.c (sched_analyze): Rename local variable `region' to
15339 avoid conflicts with typedef struct `region' at the top level scope.
15341 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
15343 * basic-block.h (basic_block): Add eh_beg, eh_end.
15344 * flow.c (entry_exit_blocks): Update.
15345 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
15346 Call new functions.
15347 (find_basic_blocks_1): Don't record eh_list at each bb. Use
15348 lists.c functions to allocate insn lists.
15349 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
15351 (make_eh_edge): ... here. New.
15352 (move_stray_eh_region_notes): New.
15353 (record_active_eh_regions): New.
15354 (delete_unreachable_blocks): Split out block merging ...
15355 (try_merge_blocks): ... here. New.
15356 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
15357 Dump debugging data.
15358 (merge_blocks_move_successor_nojumps): Likewise.
15359 (merge_blocks): Use eh_beg+eh_end to validate block movement.
15361 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15363 * extend.texi (Bound member functions): Document unbound pmf
15366 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15368 * flow.c (split_edge): Handle insertion on a fallthrough edge which
15369 has the EXIT_BLOCK as a dest.
15371 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15373 * flow.c (remove_edge): New function to remove an edge from the
15375 (remove_fake_successors): New function to remove fake successor edges.
15376 (remove_fake_edges): New function to remove all fake edges from the
15378 (add_fake_exit_edges): New function to add fake edges from all blocks
15379 with no successors to the exit block.
15380 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
15381 prototypes for new functions.
15383 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15385 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
15386 Use Pmode to determine whether to output .dword or .word.
15388 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
15390 * tree.c (built_in_filename): New variable.
15391 (BUILT_IN_FILENAME): New macro.
15392 (init_tree_codes): Allocate built_in_filename.
15393 (make_node): Use built_in_filename instead of string constant.
15395 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
15397 * configure.in: Add fr30 target.
15398 * configure: Regenerate.
15399 * config/fr30: New directory.
15400 * config/fr30/crti.asm: New file.
15401 * config/fr30/fr30.c: New file.
15402 * config/fr30/crtn.asm: New file.
15403 * config/fr30/fr30.h: New file.
15404 * config/fr30/fr30.md: New file.
15405 * config/fr30/lib1funcs.asm: New file.
15406 * config/fr30/t-fr30: New file.
15407 * config/fr30/xm-fr30.h: New file.
15409 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
15411 * flow.c (merge_blocks_move_successor_nojumps): Delete the
15412 BARRIER at the end of the successor, not the BARRIER before
15415 * pa.c (pa_add_gc_roots): Fix thinko in last change.
15417 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
15419 * stmt.c (any_pending_cleanups): Don't crash when
15420 current_function->stmt is unset.
15422 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15424 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
15425 other initializations that may use it for relative offsets.
15427 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15429 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
15430 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
15431 * config/i386/sol2dbg.h: Removed.
15432 * config/i386/sol2gas.h: New file, to enable gas work-around.
15433 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
15434 Don't use sol2dbg.h.
15435 * configure: Rebuilt.
15437 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
15439 * invoke.texi (-fthis-is-variable): Remove documentation.
15441 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
15443 * basic-block.h (compute_bb_for_insn): Declare.
15444 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
15445 to use; set size of basic_block_for_insn directly.
15446 (find_basic_blocks): Update.
15448 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15450 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
15452 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15454 * crtstuff.c (ON_EXIT): Delete empty macro definition.
15455 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
15457 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
15459 * c-decl.c (c_decode_option): Extend comment.
15461 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
15463 * toplev.c (progname): Make 'const char *'
15464 (flag_print_mem): Move out of main.
15465 (version_flag): Move out of main.
15466 (filename): Move out of main.
15467 (debug_args): Remove g prefix from options.
15468 (documented_lang_options): Remove cpplib specific options.
15469 (display_help): Add g prefix to debug options.
15470 (check_lang_option): Delete this function.
15471 (decode_d_option): New function: Decode -d... option.
15472 (decode_f_option): New function: Decode -f... option.
15473 (decode_W_option): New function: Decode -W... option.
15474 (decode_g_option): New function: Decode -g... option.
15475 (independent_decode_option): New function: Decode a language
15476 independent command line option.
15477 (main): Invoke lang_decode_option and then
15478 independent_decode_option on each command line option in
15481 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
15483 Revert this change. Gavin's patch to operand_equal_p is a better fix.
15484 * fold-const.c (fold_range_test): Do not try to fold the range
15485 test if the rhs or lhs has side effects.
15487 * basic-block.h (compute_flow_dominators): Declare.
15489 * gcse.c (alloc_code_hoist_mem): New function.
15490 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
15491 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
15492 (hoist_code, one_code_hoisting_pass): Likewise.
15493 (gcse_main): If optimizing for size, then hoist expressions
15494 computed in multiple dominated basic blocks.
15496 * gcse.c (invalid_nonnull_info): New function.
15497 (delete_null_pointer_checks): Likewise.
15498 * rtl.h (delete_null_pointer_checks): Declare.
15499 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
15501 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
15502 (merge-blocks_move_successor_nojumps): Likewise.
15503 (merge_blocks): Allow merging of some blocks, even if it requires
15504 physical movement of the blocks, but not if it requires new jumps.
15506 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
15507 Callers and prototype changed.
15508 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
15510 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15512 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
15513 -YP when both -p and -pg are present. From i386/sol2.h.
15515 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15517 * Makefile.in (distclean): Delete tm_p.h.
15518 * configure.in: Create a new file, "tm_p.h", from a list in
15519 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
15520 "i386/i386-protos.h".
15522 * alias.c: Include "tm_p.h".
15523 * c-typeck.c: Likewise.
15524 * calls.c: Likewise.
15526 * emit-rtl.c: Likewise.
15527 * explow.c: Likewise.
15528 * expmed.c: Likewise.
15529 * expr.c: Likewise.
15530 * final.c: Likewise.
15531 * flow.c: Likewise.
15532 * fold-const.c: Likewise.
15533 * function.c: Likewise.
15534 * gcse.c: Likewise.
15535 * global.c: Likewise.
15536 * haifa-sched.c: Likewise.
15537 * integrate.c: Likewise.
15538 * jump.c: Likewise.
15539 * local-alloc.c: Likewise.
15540 * loop.c: Likewise.
15541 * optabs.c: Likewise.
15542 * recog.c: Likewise.
15543 * reg-stack.c: Likewise.
15544 * regclass.c: Likewise.
15545 * regmove.c: Likewise.
15546 * reload.c: Likewise.
15547 * reload1.c: Likewise.
15548 * reorg.c: Likewise.
15549 * resource.c: Likewise.
15550 * stmt.c: Likewise.
15551 * stor-layout.c: Likewise.
15552 * toplev.c: Likewise.
15553 * tree.c: Likewise.
15554 * unroll.c: Likewise.
15555 * genattrtab.c (main): Make generated file include "tm_p.h".
15556 * genemit.c (main): Likewise.
15557 * genoutput.c (main): Likewise.
15558 * genrecog.c (main): Likewise.
15560 * i386.h: Delete all prototypes.
15561 * i386.c: Include "tm_p.h".
15562 (ix86_attr_length_default): Call constant_call_address_operand
15563 with correct number of arguments.
15564 * i386-protos.h: New file.
15565 * i386.md (unnamed patterns): Call constant_call_address_operand
15566 with correct number of arguments.
15567 (exception_receiver): Call load_pic_register with correct number
15570 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
15572 * c-pragma.c (mark_align_stack): Dereference the void* properly.
15574 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
15576 * rtl.h (insns_safe_to_move_p): New function.
15577 * loop.c (find_and_verify_loops): Use it.
15578 * rtlanal.c (insns_safe_to_move_p): Define it.
15580 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
15582 * c-pragma.c: Include ggc.h.
15583 * Makefile.in (c-pragma.o): Update.
15585 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15587 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
15588 (LIB_SPEC): Likewise.
15589 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
15590 Reindent -YP/-p/-pg.
15591 Copied from config/sparc/sol2.h.
15593 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
15595 * c-pragma.c (mark_align_stack): New.
15596 (init_pragma): New.
15597 * c-pragma.h (init_pragma): Declare it.
15598 * c-lex.c (init_parse): Call it.
15600 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15602 * configure.in: Pick up thread library on Solaris/x86 just
15603 like on Solaris/sparc.
15604 * configure: Rebuilt.
15606 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
15608 * rtl.h (global_rtx_index): New enum.
15609 (global_rtl): Change to array of rtx.
15610 (pc_rtx, cc0_rtx): Redefine accordingly.
15611 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
15612 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
15613 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
15614 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
15615 (const_int_rtx): Change to array of rtx.
15616 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
15618 * emit-rtl.c (global_rtl): Change to array of rtx.
15619 (const_int_rtx): Change to aray of rtx.
15620 (gen_rtx_CONST_INT): Redefine accordingly.
15621 (init_emit_once): Allocate and initialize global_rtl. Likewise
15622 for const_int_rtx. Add both as GC roots.
15623 * genattrtab.c (global_rtl): Update declaration.
15625 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
15627 * Makefile (USER_H): Add iso646.h back.
15629 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
15631 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
15632 zapping the LOG_LINKS of sched_before_next_call.
15634 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
15635 * pa.c (insn_refs_are_delayed): Renamed from
15636 insn_sets_and_refs_are_delayed.
15638 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
15640 * functiion.h (struct function): Add x_whole_function_mode_p.
15641 (retrofit_block): Declare.
15642 * function.c (retrofit_block): New function.
15643 (identify_blocks): Add assertions. Allow an incomplete set of
15644 block notes if we're still generating code for the function.
15645 * integrate.c: Include loop.h.
15646 (expand_inline_function): Call find_loop_tree_blocks to map block
15647 notes to blocks when in whole-function mode. Use retrofit_block
15648 to insert new BLOCKs for the inlined function, rather than
15650 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
15651 * Makefile.in (integrate.o): Depend on loop.h.
15653 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
15655 * tree.h (warn_about_unused_variables): Declare.
15656 * stmt.c (warn_about_unused_variables): New function, split out
15658 (expand_end_bindings): Here.
15660 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
15662 * stmt.c (preserve_subexpressions_p): Don't crash when
15663 current_function->stmt is unset.
15665 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
15667 * stmt.c (expand_start_bindings): Allow callers to pass a flag
15668 indicating that no NOTE_INSN_BLOCK_BEG note is required.
15669 (expand_start_target_temps): Use it.
15670 * except.c (expand_eh_region_start_for_decl): Likewise.
15671 * expr.c (expand_expr): Likewise.
15673 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
15675 * fold-const.c (operand_equal_p): Pay attention to side effects.
15677 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15679 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
15680 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
15682 * tlink.c (scan_linker_output): Look for keywords before accepting
15683 a mangled name in quotes.
15685 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
15687 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
15688 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
15690 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
15692 * alpha.md: Revert Thu Nov 26 change that came in through the
15693 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
15694 Avoid earlyclobber when possible.
15696 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15698 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
15700 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
15701 Define HAVE_ON_EXIT.
15703 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15705 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
15706 CTYPE_CONV in all ctype macros.
15708 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
15711 * cexp.y (initialize_random_junk): Likewise.
15713 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
15715 * i370.c (handle_pragma): Likewise.
15717 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
15719 * v850.c (override_options): Likewise.
15721 * doprint.c (_doprnt): Likewise.
15723 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
15726 * fixinc/server.c (load_data): Likewise.
15728 * fold-const.c (real_hex_to_f): Likewise.
15730 * genattr.c (write_upcase, gen_attr): Likewise.
15732 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
15733 write_upcase): Likewise.
15735 * genemit.c (print_code): Likewise.
15737 * genopinit.c (gen_insn): Likewise.
15739 * genpeep.c (print_code): Likewise.
15741 * genrecog.c (print_code): Likewise.
15743 * optabs.c (init_libfuncs): Likewise.
15745 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
15747 * haifa-sched.c (sched_analyze): Keep the list of notes organized
15749 (reemit_notes): Likewise.
15751 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
15753 * ggc.h (ggc_root): Move to ggc-common.c.
15755 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
15756 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
15757 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
15758 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
15759 * ggc-common.c (ggc_root): Move from ggc.h.
15760 (roots): Declare, static.
15761 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
15762 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
15763 null or check/set mark bit.
15764 (ggc_mark_roots): New.
15765 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
15767 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
15769 * m32r.c: Include toplev.h.
15770 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
15771 (gen_compare): Rename swap_p to must_swap to match uses.
15772 Add default abort case.
15773 (m32r_output_function_epilogue): Remove unused variables.
15774 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
15775 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
15776 define to empty parameter list. Update all uses.
15777 (predicate decls): Use enum machine_mode not int.
15778 * m32r.md (movsi): Call abort, not fatal_insn.
15779 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
15781 1999-09-14 Andrew Haley <aph@cygnus.com>
15783 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
15784 use $0 instead of 0.
15786 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15788 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
15789 computation out of loop over hard regs.
15791 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
15793 * function.c (identify_blocks): Don't shadow a variable in an
15795 * integrate.c (integrate_decl_tree): Don't use pushlevel,
15796 pushdecl, or poplevel to build up the new BLOCK tree.
15797 (expand_inline_function): Likewise.
15798 (integrate_parm_decls): Likewise.
15800 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
15802 * c-typeck.c (qualify_type): Merge qualifiers from both types.
15804 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
15806 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
15807 * invoke.texi: Document this change.
15809 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
15811 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
15813 (mark_emit_status): Renamed from mark_emit_state.
15814 * except.c (mark_eh_status): Renamed from mark_eh_state.
15815 Check not null before marking.
15816 (free_eh_status): New.
15817 * expr.c (mark_expr_status, free_expr_status): New.
15818 * function.c (free_machine_status): New.
15819 (free_after_parsing): New.
15820 (free_after_compilation): Move bits to free_after_parsing; call
15821 free_eh_status, free_expr_status; zero the marked members of the
15823 (prepare_function_start): No can_garbage_collect.
15824 Call init_eh_for_function.
15825 (expand_dummy_function_end): Free up current_function state.
15826 (mark_function_status): Renamed from mark_function_state.
15827 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
15828 * function.h (struct function): No can_garbage_collect.
15829 (free_machine_status, free_after_parsing): Declare.
15830 (free_eh_status, free_expr_status): Declare.
15831 * ggc.h (mark_expr_status): Declare.
15832 * stmt.c (free_stmt_status): Free the struct.
15833 (mark_stmt_status): Renamed from mark_stmt_state.
15834 (init_stmt): Don't call init_eh.
15835 (init_stmt_for_function): Don't call init_eh_for_function.
15836 * toplev.c (compile_file): Call init_eh.
15837 (rest_of_compilation): Free basic block info before ggc_collect.
15838 Call free_after_parsing; conditionally call free_after_compilation.
15839 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
15840 Check not null before marking.
15841 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
15843 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
15845 * c-lex.c (yylex): Initialize warn.
15847 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
15849 * pa.c (emit_move_sequence): Properly set the mode of the scratch
15850 register when performing secondary reloads for the SAR register.
15852 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
15854 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
15855 (NOTE_BLOCK): New macro.
15856 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
15857 * function.h (identify_blocks): Change prototype.
15858 * function.c (identify_blocks): Simplify.
15859 (reorder_blocks): Likewise.
15860 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
15861 NOTE_INSN_BLOCK_{BEG,END}.
15862 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
15863 the list of saved notes if the note isn't a
15864 NOTE_INSN_BLOCK_{BEG,END}.
15865 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
15867 (reemit_notes): Adjust recreation of notes to reflect new saved
15869 * print-rtl.c (print_rtx): Print the address of the BLOCK when
15870 printing a block note.
15871 * stmt.c (block_vector): Remove.
15872 (find_loop_tree_blocks): Simplify.
15873 (unroll_block_trees): Likewise.
15874 * tree.h (reorder_block): Change prototype.
15876 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
15878 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
15879 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
15880 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
15881 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
15882 (atexit, exit): Simplify.
15883 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
15884 * config/lots: Remove defns of HAVE_ATEXIT.
15886 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
15888 * calls.c (precompute_arguments): Fix typo in comment.
15889 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
15892 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
15894 * dsp16xx.c (override_options): Fix typos in GC root registration.
15896 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
15898 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
15899 from config/svr4.h.
15900 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
15901 (FUNCTION_PROFILER): Redefine appropriately for Linux.
15902 (CC1_SPEC): Likewise.
15904 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15906 * genattr.c (main): Add extern prototype. Call return, not exit.
15907 * genattrtab.c (main): Likewise.
15908 * gencheck.c (main): Likewise.
15909 * gencodes.c (main): Likewise.
15910 * genconfig.c (main): Likewise.
15911 * genemit.c (main): Likewise.
15912 * genextract.c (main): Likewise.
15913 * genflags.c (main): Likewise.
15914 * gengenrtl.c (main): Likewise.
15915 * genopinit.c (main): Likewise.
15916 * genoutput.c (main): Likewise.
15917 * genpeep.c (main): Likewise.
15918 * genrecog.c (main): Likewise.
15920 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
15921 * genattrtab.c (get_insn_name): Likewise.
15922 * gencodes.c (get_insn_name): Likewise.
15923 * genconfig.c (get_insn_name): Likewise.
15924 * genemit.c (get_insn_name): Likewise.
15925 * genextract.c (get_insn_name): Likewise.
15926 * genflags.c (get_insn_name): Likewise.
15927 * genopinit.c (get_insn_name): Likewise.
15928 * genpeep.c (get_insn_name): Likewise.
15930 * gencheck.c (usage): Add static prototype.
15931 * genextract.c (print_path): Constify a char*.
15932 * genopinit.c (optabs): Likewise.
15933 * genoutput.c (operand_data, data, output_predicate_decls,
15934 compare_operands): Likewise.
15935 * genrecog.c (write_tree): Add default case in switch.
15937 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15939 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
15941 * print-rtl.c (get_insn_name): Remove prototype.
15943 * toplev.h (progname): Declare const.
15945 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
15946 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
15947 dump_sched_info, dump_local_alloc, regset_release_memory,
15948 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
15949 error_with_file_and_line, error_with_decl, error_for_asm, error,
15950 fatal, warning_with_file_and_line, warning_with_decl, warning,
15951 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
15952 Remove redundant prototypes.
15954 (notice, check_lang_option, report_file_and_line, vnotice,
15955 mark_file_stack): Add static prototype.
15956 (set_fatal_function): Add prototype.
15957 (vnotice, report_file_and_line, set_fatal_function,
15958 check_lang_option): Constify a char*.
15959 (main): Prototype. Call return, not exit.
15961 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15963 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
15965 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
15967 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
15969 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
15971 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15973 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
15974 behave as if it's zero in all cases.
15975 (expand_function_start): Adjust call to assign_parms.
15976 * tree.h (assign_parms): Adjust prototype.
15977 * objc/objc-act.c (hack_method_prototype): Adjust call to
15980 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
15982 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
15983 arg_pointer_rtx fixed if the argument pointer register is
15985 (NONZERO_BASE_PLUS_P): Likewise.
15987 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
15989 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
15990 match_insn2 to match_insn.
15991 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
15993 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
15995 * Makefile.in (USER_H): Remove va-foo.h.
15997 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
15998 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
15999 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
16000 va-spur.h,va-v850.h}: Remove.
16002 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
16004 * sparc/sparc.md (eligible_for_return_delay): New attribute.
16005 (in_return_delay): Use it instead of match_insn.
16007 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16009 * config/alpha/va_list.h (va-alpha.h): Do not include.
16010 (__gnuc_va_list): Typedef as in varargs.h.
16012 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
16014 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
16015 DECL_LIVE_RANGE_RTL.
16017 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
16019 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
16020 not NOTE_BLOCK_NUMBER.
16021 (expand_eh_region_end): Likewise.
16022 (find_exception_handler_labels): Likewise.
16023 (scan_region): Likewise.
16024 (exception_optimize): Likewise.
16025 (update_rethrow_references): Likewise.
16026 (set_insn_eh_region): Likewise.
16027 * final.c (final_scan_insn): Likewise.
16028 * flow.c (make_edges): Likewise.
16029 * integrate.c (expand_inline_function): Likewise.
16030 * print-rtl.c (print_rtx): Likewise.
16032 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
16034 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
16035 terms of builtin functions and types.
16037 * mips.c (mips_build_va_list): New.
16038 (mips_va_start, mips_va_arg): New.
16039 * mips.h (BUILD_VA_LIST_TYPE): New.
16040 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16042 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
16043 (sh_build_va_list, sh_va_start, sh_va_arg): New.
16044 * sh.h (BUILD_VA_LIST_TYPE): New.
16045 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16047 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
16049 * recog.h (struct recog_data): Make dup_num, operand_address_p,
16050 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
16051 (struct insn_data): Likewise with n_operands, n_dups,
16052 n_alternatives, output_format.
16053 * regclass.c (scan_one_insn): Cast n_operands to int before
16054 arithmetic inside comparison.
16056 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
16058 * toplev.c (compile_function): Unconditionally emit nop.
16060 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16062 * haifa-sched.c (actual_hazard): Move declaration of variable
16063 `this_cost' into the scope where it is used.
16065 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16067 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
16068 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
16069 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
16071 * genrecog.c (make_insn_sequence): Call memset, not bzero.
16073 * jump.c (find_insert_position): Don't declare or define unless
16074 !HAVE_conditional_arithmetic.
16075 (returnjump_p_1, delete_prior_computation): Add static prototypes.
16077 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
16079 * recog.c (offsettable_address_p): Prototype function pointer.
16080 (preprocess_constraints): Call memset, not bzero.
16082 * tree.c (tree_node_kind_names): Constify a char*. Make static.
16083 (gcc_obstack_init): Don't declare.
16084 (fix_sizetype): Add static prototype.
16085 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
16086 (tree_cons): Call memset, not bzero.
16088 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
16089 definition in macro ASM_WEAKEN_LABEL.
16090 (mark_const_hash_entry): Add static prototype.
16092 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16094 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
16096 * unroll.c (find_common_reg_term, subtract_reg_term,
16097 loop_find_equiv_value): Add static prototypes.
16098 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
16099 (copy_loop_body): Remove unreachable break statement.
16101 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
16103 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
16105 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16107 Undo some changes from the gcc2 merge:
16108 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
16109 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
16113 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
16114 * emit-rtl.c (gen_lowpart_common): Disable optimization of
16115 initialized float-int union if the value is a NaN.
16117 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
16119 * gthr-win32.h: New file.
16121 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
16122 shared as a valid attribute.
16123 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
16124 * extend.texi: Document `shared' variable attribute.
16126 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
16128 * configure.in: Handle --enable-threads on FreeBSD.
16129 * configure: Rebuit.
16131 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16133 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
16135 * configure: Rebuilt.
16137 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
16138 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
16139 Rosimildo DaSilva <rdasilva@connecttel.com>
16141 * configure.in (m68k-*-rtemscoff*): Added.
16142 * configure.in (mips64orion-*-rtems*): Converted to ELF.
16143 * configure.in (sparc-*-rtemsaout*): Added as alias for old
16144 sparc-rtems configuration.
16145 * configure.in (sparc-*-rtemself*): Added.
16146 * configure.in (sparc-*-rtems*): Now ELF not a.out.
16147 * config/i386/rtems.h: Added comment.
16148 * config/sparc/rtemself.h: New file.
16150 * configure.in (m68k-rtemself): Added.
16151 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
16152 and DWARF_DEBUGGING_INFO.
16153 * config/m68k/crti.s: New file.
16154 * config/m68k/crtn.s: New file.
16155 * config/m68k/t-crtstuff: New file.
16156 * config/m68k/rtemself.h: New file.
16158 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
16159 global ctor/dtor and C++ exception handling.
16160 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
16161 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
16163 * config/i386/t-rtems-i386: New File.
16165 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
16167 * stmt.c (expand_end_case): Return right away if the case stack is
16170 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
16172 * Makefile.in (version.c): Remove rule incorrectly brought in from
16175 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
16177 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
16178 * msdos/top.sed: Take into account a prepended $(SHELL) to
16180 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
16182 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
16184 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16186 * regmove.c (fixup_match_1): Don't change an unchanging register.
16187 (stable_but_for_p): Renamed to:
16188 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
16189 Changed all callers.
16191 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
16193 * loop.c (strength_reduce): Don't call reg_used_between_p if the
16194 insn from BL2 is after the insn from BL.
16196 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
16198 * recog.h (INSN_OUTPUT_FORMAT_*): New.
16199 (struct insn_data): Merge `template' and `outfun' into `output'.
16200 Add `output_format'.
16201 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
16202 (struct data): Remove `outfun'; add `output_format'.
16203 (name_for_index): Remove declaration.
16204 (output_insn_data): Handle output formats.
16205 (process_template): Emit the bare array for @.
16206 (gen_expand, gen_split): Set output_format to NONE.
16207 * output.h (get_insn_template): Declare.
16208 * final.c (get_insn_template): New.
16209 (final_scan_insn): Use it.
16210 * toplev.c (compile_file): Likewise.
16212 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16213 * i860/i860.c (output_delayed_branch): Likewise.
16214 (output_delay_insn): Likewise.
16216 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16218 * rtl.c (obstack_alloc_rtx): Removed.
16220 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
16222 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
16224 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16226 * i386.c (call_insn_operand): Reject const_int.
16227 (expander_call_insn_operand): Use call_insn_operand.
16229 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16231 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
16233 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
16235 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
16236 Use DImode operation.
16238 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
16240 * gcc.c: Include sys/resource.h.
16241 (report_times): New flag.
16242 (execute): If report_times is set, calculate and report the
16243 CPU time consumed by each subprocess.
16245 (rus, prus): New globals.
16246 (option_map): Add --time.
16247 (display_help): Document -time.
16248 (process_command): Set report_times if -time is given.
16249 Turn off -pipe if -time is given.
16251 * invoke.texi: Document new option -time.
16253 * configure.in: Check for getrusage. Check if we have to
16254 prototype getrusage.
16255 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
16256 * configure: Regenerate.
16257 * config.in: Regenerate.
16259 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
16261 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
16264 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
16266 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
16267 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
16268 (nan): Return _thenan_sf or _thenan_df as appropriate.
16269 (L_thenan_sf): Define _thenan_sf.
16270 (L_thenan_df): Define _thenan_df.
16272 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
16273 (DPBIT_FUNCS): Add _thenan_df.
16275 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
16277 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
16280 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16282 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
16285 (lang_specific_driver): Don't take a function pointer parameter.
16286 All callers changed.
16288 * gcc.c: Include gcc.h.
16289 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
16290 lang_specific_extra_outfiles, fatal): Don't declare.
16291 (multilib_defaults_raw): Constify.
16292 (read_specs): Call memset, rather than bzero.
16293 (main): Call return, not exit.
16294 (lookup_compiler): Call memcpy, not bcopy.
16295 (fatal): Make extern.
16297 * cppspec.c: Include gcc.h.
16298 (lang_specific_driver): Initialize variable `quote'. Constify a
16299 char*. All calls to the function pointer parameter now
16300 explicitly call `fatal'.
16302 * gccspec.c (lang_specific_driver): Include gcc.h.
16304 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
16306 * arm.c (note_invalid_constants): Use recog_data.operand_type
16309 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16311 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
16314 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
16315 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16316 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16317 reload_secondary_in_reload, reload_secondary_out_reload,
16318 reload_secondary_in_icode, reload_secondary_out_icode,
16319 reload_reg_rtx, reload_when_needed): Delete declarations.
16320 (struct reload): New structure.
16321 (rld): Declare new array.
16322 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
16323 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16324 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16325 reload_secondary_in_reload, reload_secondary_out_reload,
16326 reload_secondary_in_icode, reload_secondary_out_icode,
16327 reload_reg_rtx, reload_when_needed): Delete definitions.
16329 (whole file): Replace uses of the deleted arrays with uses of rld.
16330 * reload1.c (whole file): Replace uses of the deleted arrays with
16332 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
16333 explicit loops, not with bcopy.
16335 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
16337 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
16338 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
16339 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
16340 insn_name): Delete and consolidate into new structures.
16341 (insn_operand_predicate_fn): New.
16342 (insn_output_fn): New.
16343 (insn_gen_fn): New.
16344 (struct insn_operand_data): New.
16345 (struct insn_data): New.
16347 (OUT_FCN): Update for insn_data change.
16348 * builtins.c (expand_builtin_strlen): Likewise.
16349 (expand_builtin_memcmp): Likewise.
16350 * combine.c (make_extraction, simplify_comparison): Likewise.
16351 * cse.c (canon_reg, cse_insn): Likewise.
16352 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
16353 * expmed.c (store_bit_field, extract_bit_field): Likewise.
16354 (emit_store_flag): Likewise.
16355 * expr.c (convert_move, emit_block_move): Likewise.
16356 (clear_storage, emit_push_insn, expand_increment): Likewise.
16357 (do_store_flag): Likewise.
16358 * expr.h (GEN_FCN): Likewise.
16359 (insn_gen_function): Die.
16360 * final.c (final_scan_insn): Update for insn_data change.
16361 (output_asm_name): Likewise.
16362 * function.c (fixup_var_refs_1): Likewise.
16363 * loop.c (check_dbra_loop): Likewise.
16364 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
16365 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
16366 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
16367 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
16368 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
16369 * regmove.c (gen_add3_insn): Likewise.
16370 * reload.c (push_secondary_reload, combine_reloads): Likewise.
16371 (find_reloads, find_reloads_address_1): Likewise.
16372 (debug_reload_to_stream): Likewise.
16373 * reload1.c (emit_reload_insns, gen_reload): Likewise.
16374 * stmt.c (expand_end_case): Likewise.
16375 * toplev.c (compile_file): Likewise.
16377 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16378 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16380 * print-rtl.c (insn_name_ptr): Remove declaration.
16381 (get_insn_name): Declare.
16382 (print_rtx): Use it.
16383 * genoutput.c (insn_name_ptr): Remove.
16384 (next_operand_number): New.
16385 (struct operand_data): New.
16386 (null_operand, odata, odata_end): New.
16387 (struct data): Use struct operand_data.
16388 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
16389 (get_insn_name): Renamed from name_for_index.
16390 (output_prologue): Define NO_MD_PROTOTYPES.
16391 (output_predicate_decls): Break out from output_epilogue.
16392 Iterate over the operands list.
16393 (output_operand_data): Break out from output_epilogue. Emit
16394 just the operands list.
16395 (output_insn_data): Break out from output_epilogue. Emit just
16397 (output_epilogue): Remove.
16398 (output_get_insn_name): New.
16399 (constraints, op_n_alternatives, predicates, address_p): Die.
16400 (modes, strict_low, seen): Die.
16401 (scan_operands): Take new param `d' instead of writing to
16402 seven global variables.
16403 (compare_operands): New.
16404 (place_operands): New.
16405 (validate_insn_alternatives): Update for struct data change.
16406 (gen_insn): Don't zero or copy 7 global arrays. Update for
16407 scan_operands; call place_operands.
16408 (gen_peephole, gen_expand, gen_split): Likewise.
16409 (main): Update for new output routines.
16411 * genattr.c (insn_name_ptr): Remove.
16412 (get_insn_name): New function.
16413 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
16414 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
16415 * genrecog.c: Likewise.
16417 * alpha.md (adddi3): Make `pattern' array static.
16419 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16421 * config/c4x/c4x.h (c4x_rpts_cycles_string,
16422 c4x_cpu_version_string): Constify char *.
16423 * config/c4x/c4x.c (c4x_rpts_cycles_string,
16424 c4x_cpu_version_string): Likewise.
16426 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
16428 * tree.c (save_tree_status): Revert 10 Sep change.
16429 (restore_tree_status): Likewise. Call obstack_free with NULL
16430 before freeing the obstack proper.
16432 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
16434 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
16436 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
16437 surrounding context.
16439 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
16441 * tree.c (type_hash_canon): Put all types in the hash-table, when
16444 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
16446 * recog.h (struct recog_data, recog_data): New.
16447 (recog_foo variables): Kill.
16448 * recog.c (recog_operand, recog_operand_loc): Kill.
16449 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
16450 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
16451 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
16452 (recog_data): Define.
16453 (extract_insn): Update all recog_foo references to use recog_data.
16454 (preprocess_constraints, constrain_operands): Likewise.
16455 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
16456 * genattrtab.c (main): Likewise.
16457 * genextract.c (main): Likewise.
16458 * genoutput.c: Likewise.
16459 * genrecog.c (write_subroutine, main): Likewise.
16460 * local-alloc.c (block_alloc): Likewise.
16461 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
16462 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
16463 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
16464 * reload.c (find_reloads, find_reloads_toplev): Likewise.
16465 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
16466 (reload_cse_simplify_operands): Likewise.
16468 * arc/arc.c (arc_final_prescan_insn): Likewise.
16469 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
16470 * h8300/h8300.c (notice_update_cc): Likewise.
16471 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
16472 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16473 * mn10200/mn10200.c (notice_update_cc): Likewise.
16474 * mn10300/mn10300.c (notice_update_cc): Likewise.
16475 * romp/romp.c (update_cc): Likewise.
16476 * sparc/sparc.c (check_pic): Likewise.
16477 * v850/v850.c (notice_update_cc): Likewise.
16479 * genemit.c (main): Don't declare recog_operand.
16481 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
16483 * ggc.h (rtvec_def): Forward declare.
16484 (tree_node): Likewise.
16485 (ggc_root): Define.
16487 (ggc_set_mark_rtx): Add prototype.
16488 (ggc_set_mark_rtvec): Likewise.
16489 (ggc_set_mark_tree): Likewise.
16490 * ggc-simple.c (ggc_root): Don't define.
16491 (roots): Don't declare.
16492 (ggc_mark_rtx): Remove.
16493 (ggc_mark_rtvec): Likewise.
16494 (ggc_mark_tree): Likewise.
16495 (ggc_mark_varray): Likewise.
16496 (ggc_mark_tree_hash_table_entry): Likewise.
16497 (ggc_mark_tree_hash_table): Likewise.
16498 (ggc_set_mart_rtx): New function.
16499 (ggc_set_mark_rtvec): Likewise.
16500 (ggc_set_mark_tree): Likewise.
16501 (ggc_add_root): Remove.
16502 (ggc_add_rtx_root): Likewise.
16503 (ggc_remove_tree_root): Likewise.
16504 (ggc_add_string_root): Likewise.
16505 (ggc_add_tree_varray_root): Likewise.
16506 (ggc_add_tree_hash_table_root): Likewise.
16507 (ggc_del_root): Likewise.
16508 (ggc_mark_rtx_ptr): Likewise.
16509 (ggc_mark_tree_ptr): Likewise.
16510 (ggc_mark_string_ptr): Likewise.
16511 (ggc_mark_tree_varray_ptr): Likewise.
16512 (ggc_mark_tree_hash_table_ptr): Likewise.
16513 * ggc-common.c: New file.
16514 * Makefile.in (OBJS): Add ggc-common.o.
16515 (ggc-common.o): List dependencies.
16517 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
16519 * cppalloc.c (xstrdup): Use memcpy.
16520 * cpperror.c (cpp_print_containing_files): Don't use
16522 * cpplib.c (conditional_skip): Set temp->lineno.
16523 (do_endif): Make error message less obscure.
16524 (if_directive_name): New function.
16525 (cpp_get_token [case EOF]): Unwind the if stack and generate
16526 error messages for each unterminated conditional in this file.
16527 (parse_string): Do not behave differently if -traditional.
16529 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
16531 * builtins.c (expand_builtin_va_arg): Cope with an array-type
16532 va_list decomposing to pointer-type.
16533 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
16534 (rs6000_va_arg): Likewise.
16536 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
16538 * except.c (start_dynamic_handler): Compute size using
16539 STACK_SAVEAREA_MODE.
16541 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16543 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
16544 include directory headers. Don't define strrchr. Don't provide
16545 my_* replacement functions. Prefer PTR over `pointer_type'.
16546 Don't prototype system functions. Don't redefine getopt.
16548 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
16549 safe_read, safe_write, save_pointers, restore_pointers,
16550 is_id_char, in_system_include_dir, directory_specified_p,
16551 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
16552 find_corresponding_lparen, referenced_file_is_newer,
16553 save_def_or_dec, munge_compile_params, gen_aux_info_file,
16554 process_aux_info_file, identify_lineno, check_source,
16555 seek_to_line, forward_to_next_token_char, output_bytes,
16556 output_string, output_up_to, other_variable_style_function,
16557 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
16558 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
16559 find_static_definition, connect_defs_and_decs, add_local_decl,
16560 add_global_decls, needs_to_be_converted, visit_each_hash_node,
16561 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
16562 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
16563 scan_for_missed_items, edit_file, string_list_cons): Add static
16565 (standard_exec_prefix, target_machine, target_version,
16566 default_syscalls_dir, string_list, string_list_cons, find_file,
16567 do_cleaning): Constify a char*.
16568 (safe_read, safe_write): Use PTR, not a char*.
16569 (is_id_char): Take an int, not a char.
16570 (main): Add prototype. Call return, not exit.
16572 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
16574 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
16575 when comparing types.
16577 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
16579 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
16580 (strength_reduce): Release the varrays from the no-bivs early exit.
16582 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
16583 the loop over the registers.
16585 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
16587 (restore_tree_status): Check that instead when freeing the obstack.
16589 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
16591 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
16594 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16596 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
16597 operand size modifiers.
16599 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16601 * c-common.c (c_common_nodes_and_builtins): Don't build
16603 * c-common.h (enum c_tree_index and related accesor macros): Remove
16604 everything now declared in tree.h.
16605 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
16606 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
16607 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
16608 (error_mark_node, void_type_node, char_type_node, integer_type_node,
16609 unsigned_type_node, ptr_type_node, va_list_type_node,
16610 integer_zero_node, null_pointer_node, integer_one_node): Delete.
16611 (init_decl_processing): Call build_common_tree_nodes and
16612 build_common_tree_nodes_2 instead of building their nodes here.
16613 Don't add roots for these nodes.
16614 * stor-layout.c (size_zero_node, size_one_node): Delete.
16615 (set_sizetype): Make a new node for bitsizetype each time.
16616 * tree.c (global_trees): New variable.
16617 (init_obstacks): Add a gc root for it.
16618 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
16619 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
16620 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
16621 (build_common_tree_nodes): New function.
16622 (fix_sizetype): New function.
16623 (build_common_tree_nodes_2): New function.
16624 * tree.h (enum tree_index): New.
16625 (global_trees): Declare.
16626 Add accessor macros for all nodes now moved to global_trees.
16627 Delete their declarations.
16629 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
16631 * c-decl.c (finish_function): When processing a nested function,
16632 push and pop GC context around rest_of_compilation.
16634 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
16636 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
16637 Default ix86_arch to PROCESSOR_I386.
16638 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
16639 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
16640 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
16641 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
16642 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
16643 (EXTRA_SPECS): Remove deleted specs.
16645 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
16647 * function.c (assign_stack_local_1): Allocate from
16648 function->x_frame_offset, not frame_offset.
16650 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
16652 * ggc.h (lang_cleanup_tree): Remove.
16653 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
16654 * ggc-callbacks.c (lang_cleanup_tree): Remove.
16656 * c-decl.c (finish_struct): Use ggc_alloc to allocate
16657 TYPE_LANG_SPECIFIC when garbage collecting.
16658 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
16659 (lang_cleanup_tree): Remove.
16661 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16663 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
16664 * crtstuff.c: Not here.
16665 * dwarf2out.c: Or here.
16666 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
16669 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
16671 * function.h (free_after_compilation): Remove decl parameter.
16672 (free_varasm_status0: Likewise.
16673 (free_emit_status): Likewise.
16674 (free_stmt_status): Likewise.
16675 (free_after_compilation): Likewise.
16676 (init_lang_status): New variable.
16677 (free_lang_status): Likewise.
16678 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
16679 * function.c (init_lang_status): New variable.
16680 (free_lang_status): Likewise.
16681 (push_function_context_to): Don't set function::decl here.
16682 (free_after_copmilation): Make decl parameter implicit. Call
16683 free_lang_status if defined.
16684 (prepare_function_start): Call init_lang_status if defined.
16685 (init_function_start): Set function::decl here.
16686 * profile.c (output_func_start_profiler): Don't call pushdecl
16687 until we've actually started the function.
16688 * stmt.c (free_stmt_status): Make decl parameter implicit.
16689 * toplev.c (rest_of_compilation): Don't pass decl to
16690 free_after_compilation.
16691 * varasm.c (free_varasm_status): Likewise.
16693 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16695 * except.c (call_get_eh_context): Add root when allocating static
16698 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
16700 * arm.c: Include "ggc.h".
16701 (arm_add_gc_roots): New function.
16702 (arm_override_options): Call it.
16703 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
16705 * arm.md (define_asm_attributes): Add a pool_range attribute.
16707 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
16709 * extend.texi (Volatiles): New node.
16711 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
16713 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
16714 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
16715 (struct ggc_any): Replace `mark' with `magic_mark'.
16716 (ggc_alloc_string): Use memcpy, not bcopy.
16717 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
16718 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
16719 (ggc_free_any): New.
16720 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
16721 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
16722 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
16723 Use IS_MARKED. Use ggc_free_any.
16725 1999-09-09 Scott Bambrough <scottb@netwinder.org>
16727 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
16729 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
16731 * toplev.c (main): Always init_ggc.
16733 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
16735 * except.c (find_all_handler_type_matches): Free the list if
16736 we found no matches.
16738 * combine.c (SUBST): Break out to a real function do_SUBST.
16739 (SUBST_INT): Likewise.
16740 * gcse.c (free_pre_mem): Free `temp_bitmap'.
16741 (pre_insert): Free `inserted'.
16742 * loop.c (basic_induction_var): Always set `location'.
16744 * function.c (expand_function_end): Add initial_trampoline as a root.
16745 * rtl.h (init_varasm_once): Declare.
16746 * toplev.c (compile_file): Call it.
16747 * ggc-simple.c (ggc_mark_string_ptr): New.
16748 (ggc_add_string_root): New.
16749 (ggc_collect): Disable collection avoidance temporarily.
16750 * ggc.h (ggc_add_string_root): Declare.
16751 * except.c (create_rethrow_ref): Use ggc_alloc_string.
16752 * optabs.c (init_libfuncs): Likewise.
16753 * varasm.c (named_section): Use ggc_alloc_string.
16754 (make_function_rtl): Likewise.
16755 (make_decl_rtl): Likewise.
16756 (assemble_static_space): Likewise.
16757 (assemble_trampoline_template): Likewise.
16758 (output_constant_def): Likewise.
16759 (force_const_mem): Likewise.
16760 (mark_const_hash_entry): New.
16761 (mark_pool_sym_hash_table): New.
16762 (mark_varasm_state): Use it.
16763 (init_varasm_once): New.
16765 * expr.h (init_one_libfunc): Declare.
16766 * optabs.c (init_one_libfunc): New.
16767 (init_optabs): Use it.
16768 * config/gofast.h: Likewise.
16769 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
16770 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
16772 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16774 * Makefile.in (cppexp.o): Depend on cpphash.h.
16775 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
16777 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
16778 * cpplib.c (do_define): Generalise to handle poisoned definitions,
16779 redefining poisoned identifiers, etc.
16780 (do_undef): Don't allow poisoned identifiers to be undefined.
16781 (do_pragma): Add #pragma poison.
16782 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
16784 * cccp.c: Add T_POISON node type.
16785 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
16787 (do_define): Generalise to handle poisoned definitions,
16788 redefining poisoned identifiers, etc.
16789 (do_undef): Don't allow poisoned identifiers to be undefined.
16790 (do_pragma): Add #pragma poison.
16791 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
16793 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
16794 * c-pragma.h: Add ps_poison state. We now always have generic
16797 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
16799 * ggc.h (ggc_alloc): New function.
16800 (ggc_mark): Likewise.
16801 * ggc-simple.c (ggc_any): New structure.
16802 (ggc_status): Add anys.
16803 (n_anys_collected): New variable.
16804 (ggc_alloc): Define.
16805 (ggc_mark): Likewise.
16806 (ggc_collect): Collect the anys.
16808 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16810 * c-decl.c (mark_binding_level): Make static to match prototype.
16812 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
16814 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
16816 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
16818 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
16819 will use into account. Expand the max width to 5.
16822 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
16824 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
16825 for the rtx length.
16827 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
16829 * alpha.md (call value patterns): Remove the result predicates.
16831 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
16833 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
16836 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16838 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
16839 changed from extern char *, to extern PTR. Also fix typo in
16840 NEED_DECLARATION_REALLOC test.
16842 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
16844 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16846 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
16847 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
16848 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
16849 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
16851 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
16853 * cccp.c (pcfinclude): Likewise.
16855 * global.c (allocno_compare): Likewise.
16857 * haifa-sched.c (rank_for_schedule): Likewise.
16859 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
16861 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
16863 * stupid.c (stupid_reg_compare): Likewise.
16865 * tree.c (_obstack_allocated_p): Likewise.
16867 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
16869 1999-09-08 Bruce Korb autogen@linuxbox.com
16871 * Makefile.in: Give the hapless gperf user a hint about
16872 why "gperf -F" fails.
16874 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
16876 * lists.c: Include ggc.h.
16878 (init_EXPR_INSN_LIST_cache): Install it.
16880 * ggc-simple.c (init_ggc): Absorb the old init.
16881 (ggc_push_context): Use xcalloc.
16882 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
16883 (ggc_collect): Add [rvts] tags to the collection stats.
16885 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
16887 * cccp.c (main): Fix handling of -include and -imacros options.
16889 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
16891 * cpplib.c (cpp_push_buffer): Fix order of arguments.
16893 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16895 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
16898 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16900 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
16901 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
16902 and SET_DEST. Update comment.
16904 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16906 * config/c4x/c4x.c: Include ggc.h.
16907 (c4x_add_gc_roots): New function.
16908 (c4x_override_options): Call c4x_add_gc_roots.
16910 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
16912 * defaults.h (TARGET_ESC): Move ...
16913 * system.h: ... here, where Linas had it in the first place. Silly me.
16915 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
16917 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
16918 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
16919 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
16920 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
16921 * defaults.h (TARGET_ESC): Add default.
16923 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
16925 * configure.in: add i370-*-openedition, i370-*-mvs and
16926 i370-*-linux targets
16928 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
16930 * dsp16xxx.c: Include ggc.h
16931 (override_options): Mark GC roots.
16932 * mn10200.c: Include ggc.h.
16933 (asm_file_start): Mark GC roots.
16934 * tahoe.c: Include ggc.h.
16935 (extensible_operand): Mark GC roots.
16937 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
16939 * README: Add section discussing status of ELF ABI.
16940 * i370.c: Fix misc spelling mistakes.
16941 (i370_label_scan): Updated notes, exception handling.
16942 (i370_function_prolog): Simplify ELF stack handling.
16943 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
16944 (STACK_GROWS_DOWNWARD): ELF stack grows down.
16945 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
16946 * i370.md: (movdi): Add notes.
16947 (floatsidf2): Use stack not rtca for scratch float area.
16948 (iorsi3): Correct operand constraints.
16949 * x-oe: Restore TAROUTOPTS which are used by pax.
16951 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
16953 * rs6000.c: Include ggc.h.
16954 (rs6000_add_gc_roots): New function.
16955 (override_options): Call it.
16957 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
16959 * alpha.h (alpha_compare): New.
16960 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
16961 * alpha.c: Likewise for the definitions.
16962 (alpha_emit_conditional_branch): Update for alpha_compare.
16963 (alpha_emit_conditional_move): Likewise.
16964 * alpha.md (cmpdf, cmpdi): Likewise.
16965 (setcc patterns): Likewise. Zero alpha_compare after use.
16966 (sne): Optimize (x != 0) into (0U < x).
16968 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
16970 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
16971 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
16972 (INIT_EXPANDERS): Remove.
16973 * alpha.c: Include ggc.h.
16974 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
16975 (alpha_init_machine_status, alpha_mark_machine_status): New.
16976 (override_options): Install them.
16977 (struct machine_function): Moved to alpha.h.
16978 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
16979 (alpha_init_expanders): Remove.
16980 (alpha_return_addr): Adjust to use current_function->machine.
16981 (alpha_ra_ever_killed): Likewise.
16982 (alpha_expand_epilogue): Likewise.
16983 * alpha.md (eh_epilogue): Likewise.
16985 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
16986 Melissa O'Neill <oneill@cs.sfu.ca>
16987 Geoffrey Keating <geoffk@cygnus.com>
16989 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
16990 call-used registers (call-saved registers must still be contiguous
16991 and end with r31, of course).
16993 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
16995 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
16996 (self_promoting_type_p): Delete.
16997 (self_promoting_args_p): Move ...
16998 * c-common.c: ... here.
16999 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
17000 (simple_type_promotes_to): New.
17001 * builtins.c (lang_type_promotes_to): New.
17002 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
17003 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
17004 * c-common.h: ... here.
17005 (self_promoting_args_p, simple_type_promotes_to): Declare.
17006 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
17007 (grokdeclarator): Likewise.
17008 * tree.h (lang_type_promotes_to): Declare.
17010 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
17012 Add some machine-dependent GC roots.
17013 * sparc.c: Include ggc.h.
17014 (sparc_add_gc_roots): New function.
17015 (mark_ultrasparc_pipeline_state): Likewise.
17016 (override_options): Call sparc_add_gc_roots.
17017 * pa.c: Include ggc.h.
17018 (pa_add_gc_roots): New function.
17019 (mark_deferred_plabels): Likewise.
17020 (override_options): Call pa_add_gc_roots.
17021 * mips.c: Include ggc.h.
17022 (mips_add_gc_roots): New function.
17023 (override_options): Use it.
17025 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17027 * cpperror.c (cpp_file_line_for_message): Constify a char*.
17029 * cppexp.c (parse_number, parse_charconst, cpp_lex,
17030 cpp_parse_expr): Add static prototypes.
17031 (parse_charconst): Don't cast away const-ness.
17032 (token): Constify a char*.
17034 * cppfiles.c (file_name_list, include_hash, find_include_file,
17035 finclude, initialize_input_buffer): Constify a char*.
17036 (file_cleanup, find_position): Add static prototypes.
17038 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
17039 collect_expansion): Add static prototypes.
17040 (cpp_install, create_definition, monthnames): Constify a char*.
17042 * cpphash.h (cpp_install): Likewise.
17044 * cppinit.c (known_suffixes, default_include,
17045 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
17046 (base_name, dump_special_to_buffer, initialize_dependency_output):
17047 Add static prototypes.
17049 * cpplib.c (my_strerror): Constify a char*.
17050 (null_underflow, null_cleanup, skip_comment, copy_comment,
17051 copy_rest_of_line, handle_directive, pass_thru_directive,
17052 get_directive_token, read_line_number, cpp_print_file_and_line,
17053 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
17054 v_cpp_warning_with_line, detect_if_not_defined,
17055 consider_directive_while_skipping): Add static prototypes.
17056 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
17057 cpp_pedwarn_with_file_and_line): Constify a char*.
17059 * cpplib.h (cpp_options, include_hash, progname, definition,
17060 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
17061 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
17062 find_include_file, deps_output, include_hash): Constify a char*.
17064 * cppmain.c (progname): Constify.
17065 (main): Add prototype. Use return, not exit.
17067 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
17068 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
17069 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
17070 check_protection): Add static prototype.
17072 (progname, recognized_macrom, recognized_extern): Constify a char*.
17073 (main): Add prototype.
17075 * gen-protos.c (progname): Constify a char*.
17077 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
17079 * emit-rtl.c (free_emit_status): Take decl as a parameter.
17080 (init_emit_once): Add more GC roots.
17081 * except.c (mark_func_eh_entry): New function.
17082 (mark_eh_node): Mark false_label and rethrow_label.
17083 (init_eh): Add more GC roots.
17084 * function.c (free_after_compilation): Take decl as a paramter.
17085 Call free_stmt_status.
17086 (mark_function_state): Don't assume x_parm_reg_stack_loc is
17088 * function.h (free_after_compilation): Change prototype.
17089 (free_varasm_status): Likewise.
17090 (free_emit_status): Likewise.
17091 (free_stmt_status): New function.
17092 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
17093 Remove, replacing with ...
17094 (ggc_status): New structure.
17095 (ggc_chain): New variable.
17096 (init_gcc): Define.
17097 (ggc_push_context): New function.
17098 (ggc_pop_context): Likewise.
17099 (ggc_alloc_rtx): Adjust for use of ggc_chain.
17100 (ggc_alloc_rtvec): Likewise.
17101 (ggc_alloc_tree): Likewise.
17102 (ggc_alloc_string): Likewise.
17103 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
17104 (ggc_mark_tree): Give language-dependent code a chance to mark
17106 (ggc_mark_tree_varray): Handle empty arrays.
17107 (ggc_collect): Adjust for use of ggc_chain. Clear
17108 bytes_alloced_since_last_gc.
17109 * ggc.h (ggc_pop_context): New function.
17110 (ggc_push_context): Likewise.
17111 * print-tree.c (print_node): Don't print obstacks when GC'ing.
17112 * stmt.c (free_stmt_status): New function.
17113 (init_stmt_for_function): Clear last_expr_value.
17114 * toplev.c (rest_of_compilation): Always call free_after_compilation.
17115 Conditionalize call to ggc_collect.
17116 (main): Call init_ggc.
17117 * tree.c (push_obstacks): Do the push, even when GC'ing.
17118 (push_obstacks_nochange): Likewise.
17119 (pop_obstacks): Liekwise.
17120 * varasm.c (free_varasm_status): Take decl as a parameter.
17122 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
17124 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
17125 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
17126 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
17127 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
17129 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
17131 * pa/x-pa-mpeix: New file for the MPE port.
17133 * pa/quadlib.asm: New file for long double support.
17135 * configure.in: Add hppa1.0-*-mpeix for MPE port.
17136 * configure: Rebuilt.
17138 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
17140 * final.c (shorten_branches): Fix last change.
17142 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
17144 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
17146 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
17148 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
17151 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17153 * c-aux-info.c (concat): Don't define.
17155 * cccp.c (my_strerror): Likewise. All callers changed to use
17157 (do_include): Call xstrdup, not xmalloc/strcpy.
17158 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
17159 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
17161 * collect2.c (my_strsignal): Likewise. All callers changed to use
17163 (locatelib): Call xstrdup, not xmalloc/strcpy.
17165 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
17167 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
17169 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
17171 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
17173 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
17175 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
17177 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
17179 (find_all_handler_type_matches): Likewise. Don't check return
17181 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
17182 xmalloc, not malloc.
17183 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
17185 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
17186 (init_spec): Call xcalloc, not xmalloc/bzero.
17187 (set_spec): Call xstrdup, not save_string.
17188 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
17189 (find_a_file): Call xstrdup, not xmalloc/strcpy.
17190 (process_command): Call xstrdup, not save_string.
17191 (main): Call xcalloc, not xmalloc/bzero.
17193 * gcov.c (xmalloc): Don't define.
17194 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
17195 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
17196 (output_data): Call xcalloc, not xmalloc/bzero.
17198 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
17200 * mips-tdump.c (xmalloc): Don't define.
17201 (print_symbol): Call xmalloc, not malloc.
17202 (read_tfile): Call xcalloc, not calloc.
17204 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
17205 Don't define. All callers of xfree/my_strsignal changed to use
17206 free/strsignal instead.
17207 (allocate_cluster): Call xcalloc, not calloc.
17209 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
17210 Fix memory leak, free allocated memory.
17212 * prefix.c (translate_name): Call xstrdup, not save_string.
17213 (update_path): Likewise.
17215 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
17217 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
17218 Don't define. Callers of xfree/savestring2 changed to use
17219 free/concat instead.
17221 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
17222 (init_elim_table): Likewise.
17224 * resource.c (init_resource_info): Likewise.
17226 * stupid.c (stupid_life_analysis): Likewise.
17228 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
17229 (open_dump_file): Call concat, not xmalloc/strcpy/...
17230 (clean_dump_file): Likewise.
17231 (compile_file): Call xstrdup, not xmalloc/strcpy.
17233 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
17235 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
17236 * v850.c (v850_va_arg): New.
17238 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17240 * haifa-sched.c: Tidy comments.
17242 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17244 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
17245 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
17246 $(out_object_file)): Depend on ggc.h.
17247 * c-common.c: Include "ggc.h".
17248 (combine_strings): If doing GC, use ggc_alloc_string.
17249 * c-decl.c: Include "ggc.h".
17250 (ggc_p): Define with value 0.
17251 (mark_binding_level): New function.
17252 (init_decl_processing): Add GC roots.
17253 (mark_c_function_context): New function.
17254 (lang_mark_false_label_stack): New function.
17255 (lang_mark_tree): New function.
17256 (lang_cleanup_tree): New function.
17257 * c-lang.c: Include "ggc.h".
17258 (lang_init): Call c_parse_init.
17259 * c-lex.c: Include "ggc.h".
17260 (check_linenum): If doing GC, don't copy filenames to permanent
17262 * c-parse.in: Include "ggc.h".
17263 (c_parse_init): New function.
17264 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
17265 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
17267 * except.c (mark_eh_state): Mark more state.
17268 * function.c (mark_function_state): Likewise.
17269 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
17270 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
17271 * toplev.c (mark_file_stack): New function.
17272 (compile_file): If doing GC, use ggc_alloc_string on input filename.
17273 (main): Add root for input_file_stack.
17275 * i386.c: Include "ggc.h".
17276 (ix86_mark_machine_status): New function.
17277 (override_options): Set mark_machine_status.
17279 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17281 * tree.c (copy_node): Copy node contents also if doing GC.
17283 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17285 * collect2.c (scan_libraries): Fix double-thinko :-).
17287 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
17289 * collect2.c (scan_libraries): Fix thinko.
17291 * cse.c (delete_trivially_dead_insns): Do not skip the last
17292 insn if it is a real insn.
17294 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
17296 * Makefile.in (ggc-simple.o): Depend on hash.h.
17297 * ggc.h (ggc_add_tree_hash_table_root): Declare.
17298 (ggc_mark_tree_varray): Likewise.
17299 (ggc_mark_tree_hash_table): Likewise.
17300 * ggc-simple.c: Include hash.h.
17301 (ggc_mark_tree_hash_table_ptr): New function.
17302 (ggc_mark_tree_hash_table_entry): Likewise.
17303 (ggc_mark_tree_hash_table): Likewise.
17304 (ggc_add_tree_hash_table_root): Likewise.
17305 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
17306 rtx, when defining fields.
17308 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17310 * profile.c (output_func_start_profiler): Remove apparently
17311 nonsensical call to start_sequence.
17313 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
17315 * clipper/clipper.c (clipper_va_start): Fix typos.
17317 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
17318 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
17319 (spur_va_arg): New stub.
17321 * configure.in: Comment out pyramid.
17323 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
17325 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
17326 don't conflict with the bits that win32, cygwin, and dgux
17329 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
17330 Bernd Schmidt <bernds@cygnus.co.uk>
17332 * integrate.c (function_cannot_inline_p): Do not inline
17333 functions with forced labels.
17335 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
17336 Bernd Schmidt <bernds@cygnus.co.uk>
17337 Mark Mitchell <mark@codesourcery.com>
17339 * Makefile.in (ggc-simple.o): Depend on varray.h.
17340 (rtl.o): Depend on ggc.h.
17341 (genattrtab.o): Depend on ggc.h.
17342 (print-tree.o): Likewise.
17343 (fold-const.o): Likewise.
17344 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
17345 (make_insn_raw): Don't cache insns when GC'ing.
17346 (emit_insn_before): Likewise.
17347 (emit_insn_after): Likewise.
17348 (emit_insn): Likewise.
17349 (start_sequence): Use xmalloc to allocate the sequence_stack.
17350 (end_sequence): Add free to free it.
17351 (gen_sequence): Don't cache insns when GC'ing.
17352 (clear_emit_caches): Don't use sequence_element_free_list.
17353 (init_emit): Use xcalloc, not xmalloc+bzero.
17354 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
17355 * function.c (pop_function_context_from): Use free to free the
17356 fixup_var_refs_queue.
17357 (put_reg_into_stack): Allocate it with xmalloc.
17358 * genattrtab.c: Include ggc.h.
17359 (operate_exp): Don't use obstack_free when GC'ing.
17360 (simplify_cond): Likewise.
17361 (simplify_text_exp): Likewise.
17362 (optimize_attrs): Likewise.
17363 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
17365 (gencode): Generate a #include for ggc.h.
17366 * ggc-callbacks.c (ggc_p): Define it to zero.
17367 * ggc-none.c (ggc_p): Likewise.
17368 * ggc-simple.c: Include varray.h.
17369 (ggc_mark_tree_varray): New function.
17370 (ggc_add_tree_varray_root): Likewise.
17371 (ggc_mark_tree_varray_ptr): Likewise.
17372 * ggc.h (ggc_p): Declare.
17373 (varray_head_tag): Likewise.
17374 (ggc_add_tree_varray_root): Declare.
17375 * print-tree.c (print_node): Don't check for TREE_PERMANENT
17376 inconsistencies when GC'ing.
17377 * rtl.c: Include ggc.h.
17378 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
17379 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
17380 (rtx_free): Don't call obstack_free when GC'ing.
17381 * toplev.c (rest_of_compilation): Call ggc_collect after every
17383 * tree.c (push_obstacks): Do nothing, if GC'ing.
17384 (pop_obstacks_nochange): Likewise.
17385 (pop_obstacks): Likewise.
17386 (make_node): Use ggc_alloc_tree when GC'ing.
17387 (copy_node): Likewise.
17388 (get_identifier): Use ggc_alloc_string when GC'ing.
17389 (build_string): Likewise.
17390 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
17391 (tree_cons): Likewise.
17392 (build1): Likewise.
17393 (type_hash_canon): Don't call obstack_free when GC'ing.
17395 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
17397 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
17398 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
17400 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
17401 Bernd Schmidt <bernds@cygnus.co.uk>
17402 Mark Mitchell <mark@codesourcery.com>
17404 * Makefile.in (stor-layout.o): Depend on ggc.h.
17405 (expr.o): Depend on ggc.h.
17406 (profile.o): Depend on ggc.h.
17407 (stor-layout.o): Depend on ggc.h.
17408 * emit-rtl.c (init_emit_once): Add gc roots.
17409 * expr.c: Include ggc.h.
17410 (emit_block_move): Add gc roots.
17411 (clear_storage): Likewise.
17412 * expr.h (init_stor_layout_once): New function.
17413 * profile.c: Include ggc.h.
17414 (init_arc_profiler): profiler_label is a root.
17415 * scan.c (make_sstring_space): Trust xrealloc to function
17416 correctly with first parameter NULL.
17417 * stor-layout.c: Include ggc.h.
17418 (set_sizetype): Add gc root.
17419 (init_stor_layout_once): New function.
17420 * toplev.c (compile_file): Call it.
17422 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
17423 Bernd Schmidt <bernds@cygnus.co.uk>
17424 Mark Mitchell <mark@codesourcery.com>
17426 * Makefile.in (tree.o): Depend on ggc.h.
17427 (varasm.o): Likewise.
17428 (function.o): Likewise.
17429 (stmt.o): Likewise.
17430 (except.o): Likewise.
17431 (optabs.o): Likewise.
17432 (emit-rtl.o): Likewise.
17433 * emit-rtl.c: Include ggc.h.
17434 (sequence_element_free_list): Remove, and all references.
17435 (mark_sequence): New functions.
17436 (mark_emit_state): New function.
17437 * except.c: Include ggc.h.
17438 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
17439 (mark_tree_label_node): New functions.
17440 (mark_eh_state): New function.
17441 * function.c: Include ggc.h.
17442 (mark_temp_slot, mark_function_chain): New functions.
17443 (mark_function_state): New function.
17444 (init_function_once): New function.
17445 * function.h (init_function_once): New function.
17446 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
17447 * ggc.h (label_node): Declare.
17448 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
17449 (lang_mark_false_label_stack): New function.
17450 (mark_temp_slot): Remove declaration.
17451 (mark_function_chain): Likewise.
17452 (mark_eh_state): Adjust prototype.
17453 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
17455 * optabs.c: Include ggc.h.
17456 (mark_optab): New function.
17457 (init_optabs): Add gc roots.
17458 * stmt.c: Include ggc.h.
17459 (mark_cond_nesting, mark_loop_nesting): New functions.
17460 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
17461 (mark_stmt_state): New function.
17462 * toplev.c (compile_file): Call init_function_once.
17463 * tree.c: Include ggc.h.
17464 (type_hash): Move declaration earlier in file.
17465 (TYPE_HASH_SIZE, type_hash_table): Likewise.
17466 (init_obstacks): Add gc roots.
17467 (mark_type_hash): New function.
17468 * varasm.c: Include ggc.h.
17469 (mark_pool_constant): New function.
17470 (mark_varasm_state): New function.
17472 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17474 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
17476 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17478 * c-decl.c (struct language_function): Renamed from struct c_function.
17480 (c_function_chain): Delete.
17481 (push_c_function_context): New arg F. Don't warn about nested
17482 functions here. Fill LANGUAGE elt of F. Delete code to update
17483 c_function_chain. Don't call push_function_context.
17484 (pop_c_function_context): New arg F. Restore from there instead of
17485 from c_function_chain. Don't call pop_function_context. Clear out
17486 LANGUAGE field of F when done.
17487 * c-lang.c: Include "function.h"
17488 (lang_init): Initialize save_lang_status and restore_lang_status.
17489 * c-parse.in (nested_function, nested_function_notype): Warn about
17490 nested functions. Call push_function_context/pop_function_context
17491 instead of the _c_ variants.
17492 * c-tree.h (push_c_function_context, pop_c_function_context): Update
17494 * Makefile.in (c-lang.o): Update dependencies.
17496 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
17497 regno_pointer_flag, regno_pointer_align.
17498 (gen_reg_rtx): Use xrealloc to enlarge them.
17499 (free_emit_status): New function.
17500 * function.c (mark_machine_status, mark_lang_status): New variables.
17501 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
17502 in some bits from assign_stack_local. All callers changed to use new
17504 (assign_stack_local): Just call assign_stack_local_1.
17505 (free_after_compilation): New function.
17506 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
17507 (trampoline_address): Likewise.
17508 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
17509 (prepare_function_start): Explicitly clear some more variables.
17510 * function.h (struct function): New elt can_garbage_collect.
17511 (mark_machine_status, mark_lang_status): Declare variables.
17512 (free_after_compilation, free_emit_status, free_varasm_status,
17513 init_varasm_status): Declare functions.
17514 * toplev.c (rest_of_compilation): Call free_after_compilation when
17515 done with the current function.
17516 * varasm.c (free_varasm_status): New function.
17518 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
17520 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
17521 (EXPAND_BUILTIN_VA_ARG): Define.
17522 * sparc.c (sparc_va_start): New.
17523 (sparc_va_arg): New.
17525 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17527 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
17529 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17531 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
17533 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
17535 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
17536 (OBJS): Add $(GGC).
17537 (ggc-callbacks.o): New target.
17538 * ggc-callbacks.c: New file.
17540 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17542 * expr.h: Collapse individual optab and libfunc vars to arrays.
17543 (optab_index, libfunc_index): New enumerations.
17544 (optab_table, libfunc_table): New arrays.
17545 Add accessor macros for both.
17547 * optabs.c (optab_table, libfunc_table): New.
17548 Delete declarations for individual optab and libfunc vars.
17550 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
17552 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
17554 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17556 * Makefile.in (GGC, GGC_LIB): New.
17557 (HOST_RTL): Include ggc-none.o.
17558 (ggc-simple.o): New target.
17559 (ggc-none.o): Likewise.
17560 * tree.h (tree_common): Add gc_mark.
17561 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
17562 (struct rtvec_def): Add gc_mark.
17563 * emit-rtl.c (global_rtl): Update static initializers to contain
17564 enough initializers.
17565 * ggc.h, ggc-none.c, ggc-simple.c: New files.
17566 * toplev.c (gc_time): New variable.
17567 (all_time): New variable.
17568 (compile_file): Print gc time.
17569 (print_time): Calculate percentage of the whole.
17571 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17573 Change obstack memory management and varasm constant pool handling so
17574 that nested functions are treated like any other functions.
17575 * function.c (init_machine_status): New variable.
17576 (push_function_context_to): Set contains_functions for the outer
17577 function. Don't call save_varasm_status.
17578 (pop_function_context_from): Don't call restore_varasm_status. Don't
17579 set current_function_contains_functions.
17580 (prepare_function_start): Call init_varasm_status rather than
17581 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
17583 * function.h (struct function) Add field varasm. Delete fields
17584 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
17585 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
17586 (init_machine_status): Declare.
17587 (save_varasm_status, restore_varasm_status): Delete declarations.
17588 (save_tree_status, restore_tree_status): Delete last argument.
17589 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
17590 code. All callers changed.
17591 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
17592 save_constants_in_decl_trees, restore_constants, save_constants,
17593 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
17595 (inlining): New variable.
17596 (reg_map, label_map, insn_map, orig_asm_operands_vector,
17597 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
17599 (save_for_inline_nocopy): Don't save constants.
17600 Don't set inl_emit field in current_function.
17601 (expand_inline_function): Use emit field, not inl_emit, of the inlined
17602 function. Set new variable inlining before
17603 calling copy_rtx_and_substitute.
17604 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
17605 constant pool references if inlining is nonzero.
17606 Delete ADDRESS and (most of the) CONST cases.
17607 (output_inline_function): Save and restore current_function/
17608 current_function_decl. Delete restore_constants code. Don't call
17609 init_const_rtx_hash_table.
17610 * output.h (init_const_rtx_hash_table): Don't declare.
17611 * rtl.h (struct function): Declare.
17612 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
17613 * toplev.c (rest_of_compilation): Don't treat nested functions or
17614 functions containing them specially. Delete all code to deal with
17615 save_for_inline_copying.
17616 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
17617 inline_obstacks): Delete variables.
17618 (save_tree_status): Lose arg CONTEXT. All callers changed.
17619 Simply allocate a new function_maybepermanent_obstack for the new
17620 function, delete all the special cases.
17621 Don't save inline_obstacks.
17622 (restore_tree_status): Lose arg CONTEXT. All callers changed.
17623 Delete special handling for function_maybepermanent_obstack; simply
17625 Don't restore inline_obstacks.
17626 (permanent_allocation): Delete code that frees inline_obstacks.
17627 (print_inline_obstack_statistics): Delete function.
17628 (dump_tree_statistics): Don't call it.
17629 * varasm.c (struct varasm_status): New.
17630 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
17631 last_pool, pool_offset, const_double_chain): Delete global
17632 variables, replace with accessor macros.
17633 (immed_double_const): Don't walk const_double_chain outside a
17634 function, but don't treat nested functions specially anymore.
17635 (immed_real_const_1): Likewise.
17636 (clear_const_double_mem): Don't treat nested functions specially.
17637 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
17638 (save_varasm_status, restore_varasm_status): Delete functions.
17639 (init_varasm_status): New function.
17640 (force_const_mem): Don't treat nested functions specially.
17641 (find_pool_constant): Accept new arg F, search for constants in
17642 that function's pool rather than the current one. All callers
17644 (get_pool_constant_for_function, get_pool_mode_for_function): New
17647 * i386.c (init_386_machine_status): New function, mostly from
17648 clear_386_stack_locals.
17649 (struct machine_functions): Rename element names to avoid name
17651 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
17652 macros, replacing global variables.
17653 (clear_386_stack_locals, save_386_machine_status,
17654 restore_386_machine_status): Delete functions.
17655 (override_options): Initialize init_machine_status.
17656 * i386.h (INIT_EXPANDERS): Delete macro.
17657 (save_386_machine_status, restore_386_machine_status,
17658 clear_386_stack_locals): Delete declarations.
17660 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17662 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
17663 (doloop_begin): Simplify pattern and use emit_jump_insn.
17664 (doloop_end): Simplify pattern, switch operand order,
17665 and use emit_jump_insn.
17667 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17669 * function.h (struct function): Add new element LANGUAGE.
17670 (save_lang_status): Declare new variable.
17671 (restore_lang_status): Likewise.
17672 * function.c (save_lang_status): Define.
17673 (restore_lang_status): Likewise.
17674 (push_function_context_to): Call language-specific save function.
17675 (pop_function_context_from): Call language-specific restore function.
17677 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17679 * i386.md (movsf_1): Check REG_P before use of REGNO.
17680 (movdf_1): Likewise.
17681 (movxf_1): Likewise.
17682 (extendsfdf2): Likewise.
17683 (extendsfxf2): Likewise.
17684 (extenddfxf2): Likewise.
17686 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17688 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
17689 constants into memory.
17690 (c4x_shiftable_constant): New function.
17691 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
17692 (c4x_shiftable_constant): Declare.
17693 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
17694 ashlqi3_noclobber): Add new patterns and associated splitters.
17696 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
17698 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
17699 * dwarf2out.c (dwarf2out_frame_init): Likewise.
17700 * final.c (shorten_branches): Likewise.
17701 * global.c (global_alloc): Likewise.
17702 * haifa-sched.c (build_control_flow): Likewise.
17703 * stmt.c (check_for_full_enumeration_handling): Likewise.
17704 (estimate_case_costs): Likewise.
17706 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
17708 * rtl.h (RTL_CHECKC2): Fix typo in last change.
17710 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
17712 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
17713 (recompute_reg_usage): Likewise.
17714 * rtlanal.c (find_regno_fusage): Likewise.
17716 * rtl.c (rtl_check_failed_code1): New function.
17717 (rtl_check_failed_code2): New.
17718 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
17719 (RTL_CHECKC1, RTL_CHECKC2): New.
17720 (XC*): New accessor macros.
17721 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
17722 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
17723 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
17724 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
17725 (TRAP_*, RANGE_INFO_*): Likewise.
17727 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17729 * Makefile.in (tlink.o): Don't depend on toplev.h.
17731 * collect2.c (c_file, o_file, export_file, import_file, ldout,
17732 output_file, nm_file_name, ldd_file_name, strip_file_name,
17733 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
17734 add_prefix, prefix_from_env, prefix_from_string, do_wait,
17735 fork_execute, maybe_unlink, add_to_list,
17736 extract_init_priority, write_list, dump_list,
17737 dump_prefix_list, write_list_with_asm, write_c_file,
17738 write_c_file_stat, write_c_file_glob, scan_prog_file,
17739 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
17740 ignore_library, extract_string, notice, dump_file, target_machine,
17741 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
17742 read_file, print_load_command): Constify a char*.
17743 (fdopen, error, fatal, fatal_perror): Don't prototype.
17744 (my_strerror): Remove. All callers use xstrerror instead.
17745 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
17746 (main): Add prototype. Constify lots of char* ptrs. Change calls
17747 to xcalloc/strcpy/strcat/... to one call to concat.
17748 (main, scan_prog_file, scan_libraries): Use an intermediate
17749 `const char **' to build an argv array.
17750 (mapfile, libselect, libcompare, locatelib): Add prototypes.
17752 * collect2.h (collect_execute, collect_wait, dump_file,
17753 file_exists): Constify a char*.
17754 (ldout, c_file_name, temporary_obstack, permanent_obstack,
17755 temporary_firstobj, vflag, debug): Add extern declarations.
17756 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
17758 * tlink.c: Don't include toplev.h.
17759 (vflag, debug, ldout, c_file_name, temporary_obstack,
17760 permanent_obstack, temporary_firstobj): Don't declare.
17761 (tlink_execute, frob_extension, symbol_hash_lookup,
17762 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
17763 recompile_files, read_repo_files, demangle_new_symbols,
17764 scan_linker_output): Constify a char*.
17765 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
17766 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
17768 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
17770 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
17771 (relative) rather than jsr (absolute) subroutine call insns.
17772 * config/m68k/m68k-coff.h: Ditto.
17774 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
17776 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
17777 now rework these too.
17778 (arm_reorg): If an insn can't reach the end of the current pool,
17779 ensure that we emit that pool before the insn.
17781 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
17783 * tlink.c (scan_linker_output): Skip the initial underscore in
17784 a mangled name if appropriate.
17786 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17788 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
17789 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
17790 error_with_ivar, gen_declarator, create_builtin_decl,
17791 my_build_string, generate_descriptor_table, generate_ivars_list,
17792 generate_dispatch_table, check_protocols, TAG_GETCLASS,
17793 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
17794 dump_base_name, lang_decode_option, build_encode_expr,
17795 start_class, finish_class, encode_pointer, really_start_method,
17796 gen_declaration, dump_interface, handle_class_ref, handle_impent):
17798 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
17799 Add static prototypes.
17800 (build_objc_string_decl, build_selector_reference_decl,
17801 encode_bitfield, build_class_reference_decl): Remove unused
17802 parameter, all callers changed.
17803 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
17804 (objc_printable_name): Likewise. Change second parameter to type int.
17805 (init_objc): Use memcpy, not bcopy, to avoid casts.
17807 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
17809 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
17810 reg notes on a deleted insn.
17811 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
17813 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
17815 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
17817 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17819 * stmt.c (expand_asm_operands): Fix index into inout_mode when
17822 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
17824 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
17825 * tm.texi (MD_ASM_CLOBBERS): Document it.
17827 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
17829 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
17830 * except.c (expand_rethrow): Remove unused variable.
17831 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
17832 * flow.c (replace_insns): Likewise.
17833 (create_edge_list, verify_edge_list): Likewise.
17834 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
17836 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
17837 is special code to run.
17838 (main): Don't define operands to emit_operand.
17839 * genrecog.c (main): Don't emit an empty peephole2_insn function.
17841 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
17843 * alpha/alpha.h (normal_memory_operand): Declare.
17844 (reg_no_subreg_operand): Declare.
17845 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
17847 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
17849 * c-parse.in (compstmt_primary_start): New, broken out of first
17850 part of compstmt handling in primary.
17851 (primary): Use it. Add an error clause.
17852 (compstmt_nostart): Renamed from compstmt; remove all
17853 initial invocations of compstmt_start.
17856 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
17858 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
17861 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
17863 * combine.c (simplify_shift_const): Remove extra semicolon.
17864 * dwarf2out.c (remove_AT): Likewise.
17865 * expmed.c (expand_mult): Likewise.
17866 * gcov.c (create_program_flow_graph): Likewise.
17867 * reorg.c (mostly_true_jump): Likewise.
17869 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
17871 * fold-const.c (fold_range_test): Do not try to fold the range
17872 test if the rhs or lhs has side effects.
17874 * combine.c (simplify_rtx): Recognize another case of a synthesized
17877 * varasm.c (mark_constant_pool): When marking indirect references,
17878 only look at SYMBOL_REFs.
17880 * except.c (expand_fixup_region_end): Do not peek at
17881 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
17883 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
17885 * flags.h: New variables align_loops, align_loops_log,
17886 align_jumps, align_jumps_log, align_labels, align_labels_log,
17887 align_functions, align_functions_log.
17888 * toplev.c: Define them.
17889 (f_options): Handle -falign-* when they have no argument.
17890 (main): Add logic to set variables for -falign-functions,
17891 -falign-jumps, -falign-labels, -falign-loops.
17892 Make it -fsched-verbose=<n> and -finline-limit=<n>.
17893 (display_help): Change help to match options.
17894 * final.c (LABEL_ALIGN): Default to align_labels_log.
17895 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
17896 (LOOP_ALIGN): Default to align_loops_log.
17897 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
17898 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
17899 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
17900 * varasm.c (assemble_start_function): Handle align_functions.
17902 * config/sparc/sparc.h: Don't declare sparc_align_*.
17903 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
17904 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
17906 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
17908 * config/sparc/sparc.c: Delete sparc_align_loops,
17909 sparc_align_jumps, sparc_align_funcs and the corresponding string
17911 (sparc_override_options): Default align_functions on ultrasparc.
17912 Delete -malign-* handling.
17914 * config/mips/mips.c (override_options): On 64-bit targets,
17915 try to align code to 64-bit boundaries.
17916 (print_operand): New substitution, %~,
17917 which aligns labels to align_labels_log.
17918 * config/mips/mips.md (div_trap_normal): Use %~.
17919 (div_trap_mips16): Likewise.
17921 (absdi2): Likewise.
17922 (ffssi2): Likewise.
17923 (ffsdi2): Likewise.
17924 (ashldi3_internal): Likewise.
17925 (ashrdi3_internal): Likewise.
17926 (lshrdi3_internal): Likewise.
17927 (casesi_internal): Likewise.
17929 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
17931 Merge new ia32 backend from the branch!
17933 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
17934 See ChangeLog.P2 on new_ia32_branch for details.
17936 * rtl.h (stack_regs_mentioned_p): Delete prototype.
17937 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
17938 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
17939 * i386/gas.h (ASM_FILE_START): Define.
17940 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
17941 for name change of ix86_valid_decl_attribute_p.
17942 (i386_pe_valid_type_attribute_p): Similarly.
17944 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
17946 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
17947 to step through CC modes.
17949 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17951 * regmove.c (fixup_match_1): Don't move INSN in front of P if
17952 it would end up in the shadow of a live flags regsiter.
17954 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17956 * reload1.c: Fix many indentation problems.
17957 * reload.c: Likewise.
17959 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
17961 * alias.c (non_local_reference_p): Constify fmt.
17963 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
17965 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
17967 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
17969 * cse.c (delete_trivially_dead_insns): Do not delete stores to
17970 the internal_arg_pointer.
17972 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
17974 Merge peephole2 from new_ia32_branch:
17975 * Makefile.in (STAGESTUFF): Add *.peephole2.
17976 (mostlyclean): Likewise.
17977 (recog.o): Depend on resource.h.
17979 * final.c (peephole): Conditionalize decl on HAVE_peephole.
17980 (final_scan_insn): Likewise for the invocation of peephole.
17981 * genconfig.c (main): Look for peephole and peephole2 patterns.
17982 Emit HAVE_peephole* accordingly.
17983 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
17984 * flags.h (flag_peephole2): Declare.
17985 * toplev.c: New pass peephole2. New flag -fpeephole2.
17987 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
17988 * gencodes.c (main): Likewise.
17989 * genextract.c (main): Likewise.
17990 * genoutput.c (main): Likewise.
17991 * genemit.c (max_operand_1): Look for the max scratch operand.
17992 (gen_rtx_scratch): New.
17993 (gen_exp): Use it, and pass on new arg subroutine_type.
17994 (gen_expand): Take max scratch into account.
17995 (gen_split): Emit peephole2 functions.
17996 (output_peephole2_scratch): New.
17997 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
17998 * genrecog.c (routine_type): Add PEEPHOLE2.
18000 (make_insn_sequence): Match outer parallel for peep2. Discard
18001 top level scratches and dups.
18002 (add_to_sequence): New args insn_type and top. Update all callers.
18003 Handle toplevel peep2 matching insns.
18004 (write_subroutine): Handle peep2.
18005 (write_tree_1): Likewise.
18006 (write_tree): Likewise.
18008 (change_state): New arg afterward. Update all callers.
18009 Handle matching separate insns.
18010 * recog.c (recog_next_insn): New.
18011 (peephole2_optimize): New.
18012 * rtl.def (DEFINE_PEEPHOLE2): New.
18013 * resource.c (find_free_register): New argument last_insn. Use it
18014 to find a register available through the entire span.
18015 * resource.h (find_free_register): Update prototype.
18017 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
18019 * i386.c (output_strlen_unroll): Don't write xops[7]
18020 label if it wasn't set.
18022 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
18024 * cpplib.c (struct directive): Const-ify name pointer and
18025 function pointer prototype.
18026 (validate_else, do_define, do_line, do_include, do_undef,
18027 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
18028 do_elif, do_endif, do_sccs, do_assert, do_unassert,
18029 do_warning): Const-ify second arg.
18030 (directive_table): Mark const. Reorder entries by frequency
18031 of usage, record statistics.
18033 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
18035 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
18036 bounds- check RTL accesses if --enable-checking.
18037 (RTVEC_ELT): Bounds check if --enable-checking.
18038 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
18039 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
18040 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
18042 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
18043 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
18045 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
18046 (NOTE_SOURCE_FILE): Use X0STR.
18047 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
18048 MEM_ALIAS_SET): Use X0INT.
18049 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
18050 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
18052 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
18053 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
18054 (rtl_check_failed_bounds, rtl_check_failed_type1,
18055 rtl_check_failed_type2, rtvec_check_failed_bounds): New
18057 (fancy_abort): Fix comment.
18059 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
18060 (cse_insn): Decrement LABEL_NUSES for jump target before
18061 deleting jump insn.
18062 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
18063 * final.c (alter_subreg): Compute regno before changing x to
18064 REG; set REGNO(x) after changing it.
18065 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
18066 notes containing CONST_INTs.
18067 (delete_eh_regions): Use NOTE_EH_HANDLER.
18068 * function.c (put_reg_into_stack): Make reg a MEM before
18070 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
18072 (gen_mem_addressof): Make reg a MEM before initializing it.
18073 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
18075 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
18076 deleting an insn, not after.
18077 (block_alloc): Only look at PATTERN(insn) if we have to, and
18078 only if it's format class 'i'.
18079 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
18080 CONST_INT before using its INTVAL.
18081 * print-rtl.c (print_rtx): Use X0STR.
18082 * regmove.c (fixup_match_1): Don't look at PATTERN of
18083 non-class-'i' insn chain elements.
18084 * reload.c (loc_mentioned_in_p): Take address of
18085 in->fld[1].rtx directly.
18086 * reload1.c (reload): Change reg to a MEM before initializing
18088 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
18090 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
18092 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
18094 * config/mips/mips.c (machine_dependent_reorg): Force a
18095 barrier to output the local constant pool if a barrier hasn't
18096 been found at a natural point in the instruction stream.
18098 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18100 * c-parse.in (language_string): Constify.
18102 * dwarf2out.c (language_string): Remove declaration.
18104 * dwarfout.c (language_string): Likewise.
18106 * toplev.c (language_string, init_parse, finish_parse): Likewise.
18108 * tree.h (language_string, init_parse, finish_parse): Declare.
18110 * i386/sun386.h (language_string): Remove declaration.
18112 * mips.h (language_string): Likewise.
18114 * nextstep.h (language_string): Likewise.
18116 * nextstep21.h (language_string): Likewise.
18118 * rs6000.c (language_string): Likewise.
18120 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18122 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
18123 (getpwd.o): Remove target.
18125 * getpwd.c: Delete file. Its in libiberty now.
18127 * dbxout.c (getpwd): Don't prototype.
18128 * dwarf2out.c (getpwd): Likewise
18129 * dwarfout.c (getpwd): Likewise
18130 * final.c (getpwd): Likewise.
18131 * protoize.c (getpwd): Likewise.
18133 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18135 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
18137 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18139 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
18140 mark_set_resources.
18142 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
18144 * fixinc/Makefile.in (subdir): New.
18145 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
18148 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
18150 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
18151 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
18154 * invoke.texi: Fix typo.
18156 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
18157 changed. Handle autoincrement addressing modes.
18159 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
18160 just like we would the virtual incoming args register when
18163 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
18165 * rs6000.h (ASM_FILE_START): Specify complete filename, including
18166 path, in .file directive.
18168 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
18170 * gcc.texi (External Bugs): Remove obsolete note about Perl on
18173 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
18175 * stdbool.h: Make the typedef name _Bool, with bool a #defined
18178 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18180 * tree.c (tree_code_name): Constify a char*.
18182 * tree.h (tree_code_name, decl_printable_name): Likewise.
18184 * function.h (struct function): Likewise.
18186 * toplev.c (decl_name, decl_printable_name): Likewise.
18188 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
18190 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
18191 (init_objc): Remove function pointer cast.
18193 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18195 * pa.md (interspace_jump): New pattern.
18196 (builtin_longjmp): New expander.
18198 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
18200 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
18201 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
18202 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
18204 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
18206 * jump.c (delete_prior_computation): Also check calls
18207 to constant functions. Don't bother checking for a
18208 REG_UNUSED note before adding it.
18209 (delete_computation): Handle multi-word hard registers
18210 when synthesizing missing REG_DEAD notes for a register
18211 which is both set and used by an insn.
18213 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18215 * loop.c (this_loop_info): New variable.
18216 (loop_has_call, loop_has_volatile, loop_has_tablejump,
18217 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
18219 (prescan_loop, strength_reduce): New argument loop_info. All callers
18221 (scan_loop): New variable loop_info, initialise to address of
18223 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
18224 Delete variable loop_has_multiple_exit targets and replace with
18225 field in this_loop_info.
18226 (find_and_verify_loops): Rename this_loop to this_loop_num.
18227 (strength_reduce): Delete loop_iteration_info. Replace variable
18228 loop_info with function argument of same name.
18229 (insert_bct): Rework test for loop being completely unrolled.
18231 * loop.h (struct loop_info): New fields num, loops_enclosed,
18232 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
18233 has_indirect_jump, and cont. Redefine use of unroll_number.
18234 (loop_unroll_number): Delete.
18236 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
18237 field of loop_info.
18238 (loop_iterations): Delete variable vtop and instead use
18239 loop_info->vtop computed in prescan_loop.
18241 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
18243 * fix-header.c (main): Do not pass a null pointer to strcmp.
18245 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
18247 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
18249 * configure: Rebuilt.
18251 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
18253 * jump.c (jump_optimize_1): Do not delete assignments to
18254 internal_arg_pointer.
18255 * cse.c (delete_trivially_dead_insns): Always consider a set of
18256 the internal_arg_pointer live.
18258 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
18260 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
18261 (update_life_info) [REG_WAS_0]: Search the original insns rather
18262 than the new insns for the note. Fix typos finding note_dest.
18263 If no dest found, discard the note rather than abort.
18264 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
18265 (replace_insns): Remove the old insn list after update_life_info
18268 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
18270 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
18271 sched_analyze_insn.
18272 (sched_analyze_1): Let add_dependence care for not adding dups.
18273 (sched_analyze_2): Likewise.
18274 (add_branch_dependences): Likewise.
18276 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
18278 * i386/winnt.c (export_list): New type.
18279 (exports_head): Rename to
18280 (export_head): this.
18281 (i386_pe_record_exported_symbol): Add is_data flag.
18282 (i386_pe_asm_file_end): Emit directive for exported variables.
18283 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
18285 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
18286 (ASM_DECLARE_OBJECT_NAME): Likewise.
18287 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18288 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
18290 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
18292 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
18294 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
18297 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
18299 * config/openbsd.h: Define SET_ASM_OP.
18300 * tm.texi: cross-reference SET_ASM_OP in the index.
18302 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
18304 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
18305 for a CONST_DOUBLE, at compile time. Initialize rtx_length
18306 and class_narrowest_mode at compile time. Kill init_rtl.
18307 Mark rtx_length, mode_class, mode_size, mode_unit_size,
18308 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
18309 rtx_format as const. Kill all references to EXTRA_CC_MODES or
18311 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
18313 * rtl.h: Declare rtx_length and rtx_format as const.
18314 * machmode.def: Define CC(). Use CC() to define CCmode. If
18315 EXTRA_CC_MODES is defined, expand it here.
18316 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
18317 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
18318 const. Kill all references to EXTRA_CC_MODES.
18320 * toplev.c: Don't prototype or call init_rtl.
18321 * optabs.c: Don't call init_mov_optab.
18322 * genemit.c: Don't generate init_mov_optab. Don't call
18324 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
18326 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
18327 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
18328 genrecog.c: Don't call init_rtl.
18330 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
18331 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
18332 definition of EXTRA_CC_MODES.
18334 * md.texi: Kill ref to EXTRA_CC_NAMES.
18335 * tm.texi: Document new way to define EXTRA_CC_MODES.
18337 * genrecog.c: Do not look up the name of a define_split.
18338 (Unrelated bugfix.)
18340 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
18342 * config/v850/v850.md: Fix typo introduced by previous delta.
18344 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18346 * gcc.c (fatal): Make definition static to match prototype.
18348 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18350 * combine.c (get_last_value): Don't look for earlier sets if the last
18351 known set is somewhere in between the insns being combined.
18353 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
18355 * configure.in: Don't use shell ! to negate exit codes
18356 * configure: Regenerate
18358 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
18360 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
18361 the fact that ALIGN is measured in bits, not bytes.
18363 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
18365 * errors.c: New file; defines functions error, warning, and
18366 fatal, variables have_error and progname.
18367 * errors.h: New file; prototypes and decls for stuff in errors.c.
18369 * Makefile: Add rules to build errors.o and
18370 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
18371 genopinit, genrecog, genextract, genpeep, genattr, and
18372 genoutput with errors.o. Add errors.h to deps of genconfig.o,
18373 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
18374 genpeep.o, genattr.o, and genoutput.o.
18376 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
18377 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
18378 define or prototype fatal. Set progname at beginning of main.
18379 * genoutput.c: Likewise, and don't define or prototype error
18382 * c-typeck.c (c_expand_start_case): Return immediately if exp
18384 * fold-const.c (operand_equal_p): Return immediately if arg1
18385 or arg0 are ERROR_MARKs.
18386 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
18387 fields of type ERROR_MARK when calculating if the record can
18390 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
18391 with much help from Jeffrey A Law and Richard Henderson
18393 * i386.md: In the 6 insns which call output_fix_trunc,
18394 earlyclobber operands[0].
18396 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
18398 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
18399 creating new registers.
18401 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
18403 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
18404 i386_reg_alloc_order, i386_regparm_string,
18405 i386_align_loops_string, i386_align_jumps_string,
18406 i386_align_funcs_string, i386_preferred_stack_boundary_string,
18407 and i386_branch_cost_string as type "const char *".
18408 * i386.c: Define all above strings as type "const char *".
18410 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
18412 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
18413 when emitting alignment padding. Emit padding byte of 0 instead of 4.
18415 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18417 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
18418 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
18420 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
18422 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
18423 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
18424 (dwarf2out_line, dwarf2out_finish): Likewise.
18425 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
18427 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18429 * tree.c (lang_unsave_expr_now) : Correct return type.
18430 * tree.h (lang_unsave_expr_now) : Same.
18432 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
18434 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
18435 instead of duplicating code.
18437 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18439 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
18441 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
18443 * tree.h: fancy_abort always takes three args.
18444 * resource.c: Move include of system.h before toplev.h.
18446 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
18448 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
18451 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
18453 * system.h: Don't redefine abort or trim_filename.
18454 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
18455 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
18456 whether or not __FUNCTION__ is available.
18457 * tree.h: Duplicate rtl.h's definition of abort, for files
18458 that don't include rtl.h. Delete all code to perform type
18459 checking with a compiler other than GCC.
18460 * varray.h: Delete all code to perform type checking with a
18461 compiler other than GCC. Make VARRAY_CHECK() always evaluate
18462 its arguments exactly once, using a statement expression.
18463 Adjust the VARRAY_<type> accessor macros to match.
18464 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
18465 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
18466 caller's location. Define fatal_insn and fatal_insn_not_found
18467 as macros that use _fatal_insn and _fatal_insn_not_found.
18468 (fancy_abort, trim_filename): Kill prototypes.
18470 * rtl.c (trim_filename): Move here from toplev.c.
18471 (fancy_abort): New function.
18472 (DIR_SEPARATOR): Provide default definition.
18473 * tree.c (tree_check_failed, tree_class_check_failed): Go
18474 through fancy_abort.
18475 (tree_check, tree_class_check, cst_or_constructor_check,
18476 expr_check): Delete.
18477 * varray.c (varray_check_failed): New function.
18478 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
18479 _fatal_insn and _fatal_insn_not_found. Go through
18481 (trim_filename, fancy_abort): Delete.
18483 * builtins.c (expand_builtin_args_info): Report ICE with abort.
18484 * except.c (start_catch_handler): Report ICE with error/abort
18486 * final.c (output_operand_lossage): Likewise.
18487 * flow.c (verify_flow_info): Likewise.
18489 * gcc.c: Prototype fatal.
18490 * gengenrtl.c: Undef abort after including rtl.h not system.h.
18491 * genattr.c, genattrtab.c, genemit.c, genextract.c,
18492 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
18493 Don't define fancy_abort.
18495 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
18497 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
18500 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
18502 * m88k.h (VERSION_INFO2): Kill.
18503 (VERSION_STRING): Kill.
18505 (VERSION_INFO1): Tidy.
18506 (TARGET_VERSION): Update.
18507 * m88k/dgux.h (VERSION_INFO2): Kill.
18508 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
18509 * m88k/luna.h (VERSION_INFO1): Tidy.
18510 * m88k/sysv4.h (VERSION_INFO1): Likewise.
18511 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
18512 (output_file_start): Adjust for death of VERSION_STRING.
18514 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
18516 * cpplib.c (detect_if_not_defined): New function.
18517 (do_if): Use it to detect potential once-only headers.
18519 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
18521 * c-common.c (combine_strings): Always set TREE_CONSTANT.
18523 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18525 * combine.c (nonzero_bits) : Allow single-ly set registers to be
18526 anywere in the function only if they are pseudos and set before
18527 being used (not live at the start of the function).
18528 (num_sign_bit_copies) : Same.
18529 (get_last_value_validate) : Same.
18530 (get_last_value) : Same.
18532 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
18534 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
18535 where N and M are constant and N is an integer multiple of M.
18537 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18539 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
18540 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
18541 sbitmap_union_of_preds): Add prototypes.
18542 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
18543 the intersection of successors with the new flow graph structures.
18544 (sbitmap_intersection_of_preds): New function to compute the
18545 intersection of predecessors with the new flow graph structures.
18546 (sbitmap_union_of_succs): New function to compute the union of
18547 successors with the new flow graph structures.
18548 (sbitmap_union_of_preds): New function to compute the union of
18549 predecessors with the new flow graph structures.
18550 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
18551 (expr_reaches_here_p): Use edge and basic_block structures instead
18552 of s_preds and s_succs.
18553 (compute_cprop_avinout): Use new sbitmap routines.
18554 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
18555 of s_preds and s_succs.
18556 * flow.c (compute_flow_dominators): Compute dominators using
18557 edges and basic blocks instead of s_preds and s_succs.
18559 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18561 * lists.c (unused_insn_list, unused_expr_list): New file for
18562 maintaining various types of lists. New statics for maintaining a
18563 cache of available INSN_LIST and EXPR_LIST nodes.
18564 (free_list): Static function for freeing a list of INSN/EXPR nodes.
18565 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
18566 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
18567 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
18568 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
18569 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
18570 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
18571 (free_INSN_LIST_node): Free an individual INSN_LIST node.
18572 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
18573 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
18574 (remove_dependence, free_pending_lists): Use new global routines.
18575 (flush_pending_lists, sched_analyze_insn): Use new global routines.
18576 (sched_analyze, compute_block_backward_dependences): Use new routines.
18577 (sched_analyze_1, sched_analyze_2): Use new routines.
18578 (schedule_insns): Use new global routines.
18579 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
18581 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
18582 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
18584 * toplev.c (rest_of_compilation): Initialize node cache.
18585 * Makefile.in (OBJS): Add lists.o to list of object files.
18586 (lists.o): Add dependancies.
18588 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
18590 * config/v850/v850.md: Fix compile time warning messages.
18591 * config/v850/v850.c: Fix compile time warning messages.
18592 * config/v850/v850.h: Fix compile time warning messages.
18594 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18596 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
18597 Remove unused prototype for `init_lengths'.
18599 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18601 * calls.c (emit_call_1): Mark parameter `stack_size' with
18603 (expand_call): Initialize variable `insn'.
18604 (emit_library_call): Likewise for variable `high_to_save'.
18605 (emit_library_call_value): Likewise.
18606 (store_one_arg): Likewise for variables `lower_bound' and
18609 * combine.c (try_combine): Likewise for variables `i2_code_number'
18610 and `other_code_number'.
18611 (find_split_point): Likewise for variables `pos', `unsignedp' and
18613 (simplify_if_then_else): Likewise for variables `op' and `c1'.
18614 (simplify_and_const_int): Remove unused variable `width'.
18615 (merge_outer_ops): Likewise.
18617 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
18618 HOST_WIDE_INT' when comparing against one.
18619 (simplify_relational_operation): Likewise.
18620 (cse_insn): Initialize variables `src_eqv_volatile',
18621 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
18623 * final.c (init_final): Constify parameter `filename'.
18624 (final_start_function): Mark parameter `optimize' with
18626 (profile_function): Likewise for parameters `first' and `optimize'.
18627 (output_source_line): Likewise for parameter `file'.
18629 * integrate.c (subst_constants): Cast a value to `size_t' when
18630 comparing against one.
18631 (mark_stores): Initialize variable `mode'. Cast a value to
18632 `size_t' when comparing against one.
18634 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
18636 * loop.c (move_movables): Initialize variable `first'.
18637 (strength_reduce): Likewise for variable `increment'.
18638 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
18639 value to `size_t' when comparing against one.
18640 (load_mems): Initialize variable `end_label'.
18642 * output.h (init_final): Constify parameter.
18644 * reload.c (decompose): Initialize variable `base'.
18646 * reload1.c (reload): Likewise for variable `is_scalar'.
18647 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
18648 (choose_reload_regs): Initialize variable `mode'.
18649 (emit_reload_insns): Likewise for variable `store_insn'.
18650 (reload_cse_noop_set_p): Mark parameter `insn' with
18652 (reload_combine): Initialize variable `set'.
18654 * unroll.c (unroll_loop): Likewise for variable `local_label'.
18655 (copy_loop_body): Cast a value to `size_t' when comparing against
18658 * varasm.c (assemble_variable): Initialize variable `size_tree'.
18659 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
18660 (remove_from_pending_weak_list): Mark parameter `name' with
18663 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18665 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
18668 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
18670 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
18671 (ASM_DECLARE_FUNCTION_NAME): Define.
18672 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
18673 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
18674 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
18675 not already defined.
18677 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18679 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
18680 of n_popped when call/call_value are not defined.
18682 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
18684 * tm.texi: GNU CC -> GCC conversion.
18685 (CC1_SPEC): Indicate it is used for all language front ends.
18687 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
18689 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
18690 NOTE_INSN_EH_REGION_END correctly.
18692 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18693 Jeff Law <law@cygnus.com>
18695 * loop.c (strength_reduce): Automatically unroll loops if the
18696 unrolled loop size is smaller than the rolled loop size.
18698 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
18699 and delete comment that code should be rewritten.
18701 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
18703 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
18706 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
18708 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
18710 * fixinc/mkfixinc.sh: Don't fix uwin headers.
18711 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
18712 (LINK_SPEC): Add -u _main when building executables.
18713 (ASM_DECLARE_FUNCTION): Update from Cygwin.
18714 (ASM_FILE_END): Use the default for ix86-pe.
18715 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
18717 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
18719 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
18720 and ASM_CLOSE_PAREN are empty strings.
18722 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
18723 Geoffrey Keating <geoffk@cygnus.com>
18725 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
18726 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
18727 (unprotoize.o): Ditto.
18728 (test-protoize-simple): Don't define STD_PROTO_DIR.
18729 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
18730 changes to make 'test-protoize-simple' pass.
18731 (STD_PROTO_DIR): Remove define.
18732 (STANDARD_EXEC_PREFIX): Supply default define.
18733 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
18734 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
18735 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
18736 (GET_ENV_PATH_LIST): New macro.
18737 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
18738 (do_processing): Initialize default_syscalls_dir using new
18739 macros. Use it to initialize syscalls_absolute_filename.
18741 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
18743 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
18744 B into a register before emit_conditional_move.
18746 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
18748 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
18749 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
18750 multiplicand out of (+ (* a b) (* c d)).
18752 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
18753 Richard Henderson <rth@cygnus.com>
18755 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
18756 (new_insn_dead_notes): Likewise.
18757 (update_n_sets): Likewise.
18758 (update_flow_info): Move to flow.c, renamed to update_life_info;
18759 extend to handle multiple source insns.
18760 * flow.c: Include resource.h
18761 (unlink_insn_chain): New.
18762 (split_hard_reg_notes): New.
18763 (maybe_add_dead_note): New.
18764 (maybe_add_dead_note_use): New.
18765 (find_insn_with_note): New.
18766 (new_insn_dead_notes): New.
18767 (update_n_sets): New.
18768 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
18769 (maybe_remove_dead_notes): New.
18770 (update_life_info): New.
18771 (prepend_reg_notes): New.
18772 (replace_insns): New.
18773 * output.h (update_life_info): Declare.
18774 * recog.c (split_block_insns): Use update_life_info.
18775 * resource.c (find_free_register): Use reg_alloc_order, don't use
18776 fixed regs, make sure the mode is supported, don't use new regs.
18778 * rtl.h (replace_insns): Declare.
18780 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
18782 * expr.c (expand_expr): Cope with COND_EXPRs with one
18783 non-returning branch.
18785 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
18787 * expr.c (store_expr): Always pass down the target, even when not
18790 1999-08-24 Nick Clifton <nickc@cygnus.com>
18792 * configure.in: Define target_cpu_default for v850 targets.
18793 * configure: Regenerate
18795 * config/v850/v850.h (TARGET_CPU_generic): Define.
18796 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
18797 addresses are 4 byte aligned.
18799 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
18802 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18804 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
18805 (main): Add prototypes.
18807 * genattrtab.c (substitute_address, write_const_num_delay_slots,
18808 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
18809 (write_attr_get): Emit prototypes along with function definition.
18810 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
18811 (write_complex_function): Emit static prototype along with
18812 function definition.
18814 * genemit.c (gen_split): Emit prototypes along with function
18817 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
18818 Likewise for predicates and `insn_operand_predicate'.
18819 (process_template): Emit static prototype along with function
18822 * genrecog.c (make_insn_sequence): Constify a char*. Add
18823 prototypes for get_split_*().
18824 (write_subroutine): Emit prototypes along with function
18827 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18829 * gcse.c (find_avail_set): Follow chains of register-register copies.
18830 Use oprs_not_set_p to guarantee that the returned value can be
18832 (cprop_insn): Don't verify the return value of find_avail_set with
18835 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
18836 (cprop_cc0_jump): New function.
18837 (cprop_insn): Break out new function cprop_jump and use it.
18838 Also use cprop_cc0_jump for machines with CC0.
18839 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
18841 * tree.h (current_function_calls_setjmp,
18842 current_function_calls_longjmp): Delete declarations.
18843 * dsp16xx.c: Include "function.h".
18844 * elxsi.c: Likewise.
18845 * gmicro.c: Likewise.
18846 * h8300.c: Likewise.
18847 * i370.c: Likewise.
18848 * m32r.c: Likewise.
18849 * mn10200.c: Likewise.
18850 * mn10300.c: Likewise.
18851 * ns32k.c: Likewise.
18852 * spur.c: Likewise.
18853 * v850.c: Likewise.
18855 * rtl.h (rtx_equal_function_value_matters): Declare.
18856 * toplev.c (rtx_equal_function_value_matters): Don't declare.
18858 * function.c: Likewise.
18859 * emit-rtl.c: Likewise.
18861 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
18863 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
18866 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18868 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
18871 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
18873 * cpp.texi: Add a node documenting macro varargs (copied
18876 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
18878 * cppspec.c: Put a null pointer at the end of the new argv.
18880 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
18882 * configure.in: Remove code to select/de-select the haifa
18883 scheduler. Every scheduled port gets haifa now.
18884 * configure: Rebuilt.
18885 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
18887 * Makefile.in: Corresponding changes.
18889 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18891 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
18892 All callers changed.
18893 (prepare_float_lib_cmp): Likewise.
18894 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
18895 * expr.h (emit_float_lib_cmp): Delete declaration.
18896 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
18897 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
18898 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
18900 (cmptf): Now conditional on TARGET_HARD_QUAD.
18902 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
18904 * resource.c (mark_target_live_regs): Use
18905 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
18907 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18909 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
18911 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
18913 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
18915 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18917 * rtl.h (rtx_format): Constify a char*.
18919 * rtl.c (rtx_format): Likewise.
18920 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
18921 (init_rtl): Use accessor macro, not `rtx_format'.
18923 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
18926 * caller-save.c (mark_referenced_regs): Likewise.
18928 * combine.c (subst, make_compound_operation, known_cond,
18929 gen_rtx_combine, update_table_tick, get_last_value_validate,
18930 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
18932 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
18933 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
18934 count_reg_usage): Likewise.
18936 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
18939 * final.c (leaf_renumber_regs_insn): Likewise.
18941 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
18942 dump_edge_info, count_reg_references): Likewise.
18944 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
18945 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
18948 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
18949 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
18950 add_label_notes): Likewise.
18952 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
18953 clear_struct_flag, count_sub_rtxs, count_alternatives,
18954 compares_alternatives_p, contained_in_p, walk_attr_value,
18955 write_expr_attr_cache): Likewise.
18957 * genconfig.c (walk_insn_part): Likewise.
18959 * genemit.c (max_operand_1, gen_exp): Likewise.
18961 * genextract.c (walk_rtx): Likewise.
18963 * genflags.c (num_operands): Likewise.
18965 * genoutput.c (scan_operands): Likewise.
18967 * genpeep.c (match_rtx): Likewise.
18969 * genrecog.c (add_to_sequence): Likewise.
18971 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
18974 * integrate.c (save_constants, copy_for_inline,
18975 copy_rtx_and_substitute, subst_constants, restore_constants):
18978 * jump.c (mark_jump_label, invert_exp, redirect_exp,
18979 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
18981 * local-alloc.c (contains_replace_regs, memref_referenced_p):
18984 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
18985 add_label_notes, replace_call_address, count_nonfixed_reads,
18986 invariant_p, find_single_use_in_loop, find_mem_givs,
18987 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
18990 * print-rtl.c (reg_names, print_rtx): Likewise.
18992 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
18994 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
18995 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
18996 print_blocks): Likewise.
18998 * regclass.c (fix_register, record_address_regs,
18999 reg_scan_mark_refs): Likewise.
19001 * regmove.c (stable_but_for_p): Likewise.
19003 * reload.c (loc_mentioned_in_p, operands_match_p,
19004 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
19005 copy_replacements, refers_to_regno_for_reload_p,
19006 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
19007 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
19010 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
19011 delete_address_reloads_1, count_occurrences,
19012 reload_cse_mem_conflict_p, reload_combine_note_use,
19013 add_auto_inc_notes): Likewise.
19015 * resource.c (mark_referenced_resources, mark_set_resources):
19018 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
19019 reg_mentioned_p, regs_set_between_p, modified_between_p,
19020 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
19021 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
19022 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
19023 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
19025 * sched.c (sched_analyze_2, attach_deaths): Likewise.
19027 * stupid.c (stupid_mark_refs): Likewise.
19029 * unroll.c (remap_split_bivs): Likewise.
19031 * varasm.c (mark_constants): Likewise.
19033 * a29k/a29k.c (uses_local_reg_p): Likewise.
19035 * alpha/alpha.c (summarize_insn): Likewise.
19037 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
19038 eliminate_lr2ip): Likewise.
19040 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
19042 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
19043 reg_mentioned_in_mem): Likewise.
19045 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
19046 symbolic_reference_mentioned_p): Likewise.
19048 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
19050 * sh/sh.c (regs_used, mark_use): Likewise.
19052 * vax/vax.c (vax_rtx_cost): Likewise.
19054 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19056 * machmode.h (mode_name): Constify a char*.
19058 * rtl.c (mode_name): Likewise.
19060 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
19062 * optabs.c (init_libfuncs): Constify a char*.
19064 * print-tree.c (mode_name): Remove redundant declaration.
19065 (print_node): Use accessor macro, not `mode_name'.
19067 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
19069 (new_spill_reg): Constify a char*.
19071 * tree.c (mode_name): Remove redundant declaration.
19073 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19075 * rtl.c (rtx_name): Constify a char*.
19077 * rtl.h (rtx_name, fix_sched_param): Likewise.
19079 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
19080 (mypr): Use accessor macro, not `rtx_name'.
19082 * genemit.c (print_code): Constify a char*.
19084 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
19086 * genpeep.c (print_code): Constify a char*.
19088 * genrecog.c (print_code): Likewise.
19090 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
19091 end_bb): Add static prototype.
19092 (draw_edge): Constify a char*.
19093 (end_bb): Remove unused parameter.
19095 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
19096 print_block_visualization): Constify a char*.
19098 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
19100 * c-common.c (c_get_alias_set): Update comment.
19102 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19104 * linux.h (LIB_SPEC): Added.
19106 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19108 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
19110 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
19112 * tree.c (expr_check): Fix typo in last change.
19114 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
19116 * rtl.def (NOTE): Change format to "iuu0n".
19117 (ADDR_DIFF_VEC): Change format to "eEee0".
19118 (ADDRESSOF): Change format to "eit".
19120 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
19121 (RTVEC_ELT): Change to match.
19122 (XVECEXP): Use XVEC and RTVEC_ELT.
19123 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
19124 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
19125 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
19126 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
19127 TRAP_CONDITION, TRAP_CODE): Use XEXP.
19128 (INTVAL): Use XWINT.
19129 (ADDRESSOF_DECL): Use XTREE.
19130 (SET_ADDRESSOF_DECL): Delete.
19131 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
19132 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
19133 ifdefed out since 2.6 at least.
19134 (gen_rtvec_vv): Delete prototype.
19136 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
19138 (copy_most_rtx): Handle 't' format letter.
19139 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
19140 (gen_rtvec_vv): Delete function. All callers changed to use
19141 gen_rtvec_v instead.
19142 * print-rtl.c (print_rtx): Move special casing of NOTEs to
19143 the '0' format letter.
19145 * function.c (gen_mem_addressof): Don't use
19146 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
19148 * integrate.c (copy_rtx_and_substitute): Likewise.
19149 Copy 't' slots with XTREE.
19150 (subst_constants): Treat 't' slots like '[swi]' slots.
19151 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
19152 * jump.c (rtx_equal_for_thread_p): Likewise.
19153 * rtlanal.c (rtx_equal_p): Likewise.
19154 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
19155 only four arguments.
19156 * gengenrtl.c (type_from_format): Provide correct types for
19160 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
19161 If a recent gcc is in use (always in stage2 and beyond), use
19162 statement expressions, so we don't make a function call unless
19163 the check fails. Evaluate arguments exactly once.
19164 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
19165 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
19167 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
19168 they evaluate their arguments exactly once, irrespective of
19169 the compiler in use.
19171 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
19172 is used by the currently-enabled check macros. This is:
19173 (tree_check_failed, tree_class_check_failed): For gcc.
19174 (tree_check, tree_class_check, cst_or_constructor_check,
19175 expr_check): For other compilers.
19177 * gencheck.c: Do not define any *_CHECK1 macros.
19179 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
19180 Mark Mitchell <mark@codesourcery.com>
19182 * c-common.c (c_get_alias_set): Fix support for poitners and
19185 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
19187 * alias.c: Include tree.h.
19188 (nonlocal_reference_p, mark_constant_function): New functions.
19189 * flow.c (life_analysis): Call mark_constant_function.
19190 * rtl.h (mark_constant_function): Declare it.
19192 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
19194 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
19195 unrecognisable switches.
19197 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19199 * loop.c (recombine_givs): Set ix field after sorting.
19200 (recombine_givs): Remove bogus index / giv lockstep looping.
19202 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19204 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
19206 (emit_store_flag_force): Use do_compare_rtx_and_jump.
19207 (do_cmp_and_jump): Formatting fixes.
19208 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
19209 do_compare_rtx_and_jump instead of compare_from_rtx.
19210 (do_compare_rtx_and_jump): New function; mostly copied from
19212 (do_jump_for_compare): Delete.
19213 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
19215 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
19216 of compare/do_jump_for_compare pairs.
19217 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
19218 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
19219 compare_from_rtx/do_jump_for_compare pairs.
19220 (do_jump_by_parts_equality): Likewise.
19221 (do_jump_by_parts_equality_rtx): Likewise.
19222 * expr.h (do_compare_rtx_and_jump): Declare.
19223 * optabs.c (prepare_cmp_insn): New function, contains most of the code
19224 that used to be in emit_cmp_insn.
19225 (cmp_available_p): New function.
19226 (prepare_operand): New function.
19227 (emit_cmp_and_jump_insn_1): New function, contains some code that used
19228 to be in emit_cmp_insn.
19229 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
19230 parameters to be pointers; don't emit final compare but modify some of
19231 the values pointed to by the args so the caller can perform the
19232 correct comparison.
19233 (expand_binop): Call emit_store_flag_force with signed forms of
19235 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
19236 emit_jump_insn pair.
19237 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
19238 emit_cmp_and_jump_insn_1. Call emit_queue.
19239 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
19241 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
19242 jump sets cc0 before deleting it.
19243 * integrate.c (expand_inline_function): Likewise.
19244 * unroll.c (unroll_loop): Similar changes in several places.
19245 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
19246 before deleting it.
19248 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19250 * Makefile.in (insn-recog.o): Update dependencies.
19251 * genrecog.c (main): Make generated file include "function.h".
19253 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
19255 * cse.c (cse_insn): Call never_reached_warning when a jump is
19256 changed to be unconditional.
19257 * flags.h: Declare warn_notreached.
19258 * flow.c (delete_block): Call never_reached_warning when
19259 a block is deleted.
19260 * jump.c (delete_barrier_successors): Call never_reached_warning
19261 when we delete everything after a BARRIER.
19262 (never_reached_warning): New function.
19263 * rtl.h: Declare never_reached_warning.
19264 * toplev.c (warn_notreached): New variable.
19265 (lang_independent_options): Set warn_notreached
19266 when -Wunreachable-code.
19267 (compile_file): We need line numbers for -Wunreachable-code.
19269 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
19271 * haifa-sched.c (insn_unit): Fix typo on out of range test.
19272 * sched.c (insn_unit): Likewise.
19274 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
19276 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
19278 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19280 * flow.c (create_edge_list): Use xmalloc, not malloc.
19282 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
19284 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
19285 C-style comments. Do not lose the character before double slash.
19287 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19289 * basic-block.h (struct edge_list): Stucture to maintain a vector
19291 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
19292 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
19293 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
19294 New function prototypes.
19295 * flow.c (create_edge_list): Function to create an edge list.
19296 (free_edge_list): Discards memory used by an edge list.
19297 (print_edge_list): Debug output showing an edge list.
19298 (verify_edge_list): Internal consistency check for an edge list.
19299 (find_edge_index): Function to find an edge index for a pred and succ.
19301 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
19303 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
19306 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
19308 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
19310 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19312 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
19314 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
19316 * toplev.c (rest_of_compilation): Allow machine dependent
19317 reorganisation pass to place information into the RTL dump
19318 file if it so wishes.
19320 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
19322 * explow.c (hard_function_value): Use VOIDmode instead of
19324 * stmt.c (expand_return): Likewise.
19325 * stor-layout.c (get_best_mode): Likewise.
19327 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
19328 emit call instead of emit_insn call.
19330 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19332 * configure.in: Handle --disable/enable-win32-registry.
19333 * install.texi: Document --disable/enable-win32-registry.
19334 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
19335 (WIN32_REGISTRY_KEY): New macro.
19336 * prefix.c: Use to enable/disable win32-specific code.
19337 (lookup_key): Use versioned key.
19338 * configure: Regenerate.
19339 * config.in: Likewise.
19341 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
19343 * cpplib.c (read_line_number): New fn, split out of...
19346 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19348 tree.c (lang_unsave_expr_now) : New.
19349 (unsave_expr_now): Call lang_unsave_expr_now.
19350 tree.h (lang_unsave_expr_now) : New.
19352 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
19354 * toplev.c (flag_new_exceptions): On by default.
19356 1999-08-13 Michael Meissner <meissner@cygnus.com>
19358 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
19360 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19362 * dwarfout.c (fundamental_type_code): Return FT_boolean for
19363 INTEGER_TYPE with precision==1, it's __java_boolean.
19365 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19367 * global.c (prune_preferences): Move some invariants out of the
19370 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
19372 * configure.in (alpha*-dec-osf*): Add osf5.
19374 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
19376 * configure.in: Rework handling of ARM GNU/Linux slightly.
19377 (arm*-*-linux-gnuoldld): New target.
19378 * configure: Regenerate.
19379 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
19380 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
19381 * config/arm/linux-oldld.h: New file.
19382 * config/arm/linux-elf26.h: Don't include linux-elf.h.
19383 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
19385 * config/arm/linux-elf.h (ASM_SPEC): Define.
19386 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
19387 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
19388 for 26-bit APCS and old linker.
19389 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
19391 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
19392 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
19393 don't define `arm' or `arm_elf'.
19394 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
19395 MULTILIB_DIRNAMES): Define. Fix typo in comment.
19397 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
19399 * rtl.texi: Fix typo.
19401 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
19403 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
19405 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
19407 * extend.texi (C++ Signatures): Remove node.
19408 * invoke.texi: Remove discussion of -fhandle-signatures,
19409 signature, sigof, __signature__, and __sigof__.
19411 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
19413 * Makefile.in (JAVAGC): Removed.
19415 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
19417 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19419 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
19421 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19423 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
19425 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
19426 a register that is already known to be a pointer.
19428 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
19430 * fixinc/inclhack.tpl: Only install assert.h conditionally.
19431 * fixinc/inclhack.sh: Regenerated.
19432 * fixinc/fixincl.sh: Regenerated.
19434 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
19436 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
19437 Fix documentation of -ansi flag to describe its C++ behavior.
19438 Remove bogus reference to GCC 2.9.
19440 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
19442 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
19443 note if it is non-NULL.
19445 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19447 * except.h (eh_nesting_info): Add new structure defintion.
19448 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
19449 (reachable_handlers, update_rethrow_references): Add function
19451 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
19452 a rethrow symbol instead of an integer exception region number.
19453 * flow.c (Make_edges): Use new exception nesting routines to determine
19454 which handlers are reachable from a CALL or asynchronous insn.
19455 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
19457 (delete_eh_regions): Update rethrow labels, and don't delete
19458 regions which are the target of a rethrow.
19459 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
19460 avoid overloading the SYMBOL_REF_USED flag.
19461 (rethrow_symbol_map): Use new rethrow_ref field.
19462 (rethrow_used): Use new rethrow_ref field.
19463 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
19464 of an integer. Fix formatting.
19465 (output_exception_table_entry): Use new rethrow_ref field.
19466 (can_throw): Check for EH_REGION_NOTE before deciding
19467 whether a CALL can throw or not.
19468 (scan_region): Call rethrow_used() instead of accessing data structure.
19469 (update_rethrow_references): New function to make sure only regions
19470 which are still targets of a rethrow are flagged as such.
19471 (process_nestinfo): New static function to initialize a handler
19472 list for a specific region.
19473 (init_eh_nesting_info): New function to allocate and initialize
19474 the list of all EH handlers reachable from all regions.
19475 (reachable_handlers): New function to retrieve the list of handlers
19476 reachable from a specific region and insn.
19477 (free_eh_nesting_info): New function to dispose of a list of
19478 reachable handlers.
19480 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19482 * flow.c (split_edge): Set JUMP_LABEL field.
19483 (commit_one_edge_insertion): Set head correctly for insert_before.
19484 When inserting insns, update insn block numbers if allocated.
19486 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19488 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
19489 retry_incomplete_types): Add static prototype.
19490 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
19491 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
19492 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
19493 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
19494 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
19497 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
19498 dwarf2out_start_source_file, dwarf2out_line): Likewise.
19500 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19502 * output.h (assemble_name): Constify a char*.
19504 * varasm.c (UNIQUE_SECTION, assemble_start_function,
19505 assemble_variable, assemble_name): Likewise.
19507 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
19509 * arm/pe.c (arm_pe_unique_section): Likewise.
19511 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
19513 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
19515 * i386/interix.c (i386_pe_unique_section): Likewise.
19517 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
19519 * i386/winnt.c (i386_pe_unique_section): Likewise.
19521 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
19523 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
19525 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
19527 * pa/pa.c (output_call): Likewise.
19529 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
19531 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
19533 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
19536 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
19539 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
19541 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
19542 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
19544 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
19546 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19548 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
19550 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19552 * tree.h (lang_identify): Constify a char*.
19553 (print_error_function): Add extern prototype. Constify a char*.
19555 * c-lang.c (lang_identify): Constify a char*.
19557 * objc/objc-act.c (lang_identify): Constify a char*.
19559 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19561 * genpeep.c (main): Make generated file include "function.h".
19562 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
19564 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19566 * Makefile.in: Update dependencies.
19567 * alias.c: Include "function.h"
19568 * c-decl.c: Likewise.
19569 * caller-save.c: Likewise.
19570 * calls.c: Likewise.
19571 * combine.c: Likewise.
19573 * explow.c: Likewise.
19574 * final.c: Likewise.
19575 * global.c: Likewise.
19576 * graph.c: Likewise.
19577 * local-alloc.c: Likewise.
19578 * loop.c: Likewise.
19579 * optabs.c: Likewise.
19580 * profile.c: Likewise.
19581 * recog.c: Likewise.
19582 * regclass.c: Likewise.
19583 * regmove.c: Likewise.
19584 * reload.c: Likewise.
19585 * reorg.c: Likewise.
19586 * resource.c: Likewise.
19587 * sched.c: Likewise.
19588 * stupid.c: Likewise.
19589 * config/1750a/1750a.c: Likewise.
19590 * config/a29k/a29k.c: Likewise.
19591 * config/arc/arc.c: Likewise.
19592 * config/arm/arm.c: Likewise.
19593 * config/arm/thumb.c: Likewise.
19594 * config/c4x/c4x.c: Likewise.
19595 * config/clipper/clipper.c: Likewise.
19596 * config/convex/convex.c: Likewise.
19597 * config/fx80/fx80.c: Likewise.
19598 * config/i860/i860.c: Likewise.
19599 * config/m68k/m68k.c: Likewise.
19600 * config/m88k/m88k.c: Likewise.
19601 * config/mips/mips.c: Likewise.
19602 * config/pdp11/pdp11.c: Likewise.
19603 * config/pyr/pyr.c: Likewise.
19604 * config/romp/romp.c: Likewise.
19605 * config/sh/sh.c: Likewise.
19606 * config/tahoe/tahoe.c: Likewise.
19607 * config/vax/vax.c: Likewise.
19608 * config/we32k/we32k.c: Likewise.
19609 * config/sparc/sparc.c: Include "function.h".
19610 (mem_min_alignment): Test current_function rather than
19611 regno_pointer_align.
19612 * config/pa/pa.c: Likewise.
19613 (compute_frame_size): Delete declaration of
19614 current_function_outgoing_args_size.
19615 * config/arc/arc.h (current_function_varargs): Delete declaration.
19616 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
19618 * config/i370/i370.h (current_function_outgoing_args_size): Delete
19620 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
19621 current_function_uses_pic_offset_table.
19622 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
19623 of current_function_returns_pointer.
19624 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19625 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19626 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19627 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19628 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19629 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19630 * config/m88k/m88k.c: Include "function.h"
19631 (call_used_regs, current_function_pretend_args_size,
19632 current_function_outgoing_args_size, frame_pointer_needed): Delete
19634 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
19636 * config/mips/mips.h (current_function_calls_alloca): Delete
19638 * config/mn10200/mn10200.h (current_function_needs_context,
19639 rtx_equal_function_value_matters): Delete declarations.
19640 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
19641 flag_pic): Delete declarations.
19642 * config/pa/pa.h (current_function_pretend_args_size,
19643 current_function_decl): Delete declarations.
19644 * config/pa/som.h (current_function_varargs): Delete declaration.
19645 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
19647 * config/pyr/pyr.h (current_function_pretend_args_size,
19648 current_function_args_size, current_function_calls_alloca): Delete
19650 * config/sh/sh.h (current_function_varargs): Delete declaration.
19651 * config/sparc/sparc.h (current_function_outgoing_args_size,
19652 current_function_calls_alloca, current_function_decl): Delete
19654 * config/spur/spur.h (current_function_pretend_args_size,
19655 current_function_calls_alloca): Delete declarations.
19656 * config/v850/v850.c (current_function_outgoing_args_size): Delete
19658 * config/vax/vms.h (current_function_name): Delete declaration.
19659 * gcse.c: Include "function.h".
19660 (current_function_name, current_function_calls_setjmp): Delete
19662 * haifa-sched.c: Include "function.h".
19663 (forced_labels): Delete declaration.
19664 * jump.c: Likewise.
19665 * reg-stack.c: Likewise.
19666 * reload1.c: Likewise.
19667 * genemit.c (main): Make generated file include function.h.
19668 * genoutput.c (output_prologue): Likewise.
19670 * builtins.c (saveregs_value, apply_args_value): Delete variables.
19671 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
19672 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
19673 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
19674 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
19675 macros for some of them.
19676 (emit_filename, emit_lineno): Delete declarations.
19677 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
19678 regno_pointer_* variables through current_function.
19679 (gen_inline_header_rtx): Delete function.
19680 (save_emit_status): Delete function.
19681 (set_new_last_label_num): New function.
19682 (clear_emit_caches): New function.
19683 (restore_emit_status): Just clear last_labelnum and call
19685 (get_last_insn_anywhere): Variable sequence_stack is now accessed
19686 through macro seq_stack.
19687 (add_insn_after): Likewise.
19688 (add_insn_before): Likewise.
19689 (remove_insn): Likewise.
19690 (pop_topmost_sequence): Likewise.
19691 (in_sequence_p): Likewise.
19692 (start_sequence_for_rtl_expr): Likewise.
19693 (start_sequence): Likewise, and likewise for
19694 sequence_rtl_expr/seq_rtl_expr.
19695 (push_topmost_sequence): Likewise.
19696 (end_sequence): Likewise.
19697 (init_virtual_regs): Now takes a "struct emit_status *" argument.
19698 All callers changed. Store into that pointer instead of globals.
19699 (init_emit): Allocate emit elt of current_function.
19700 Changes for sequence_rtl_expr/sequence_stack renaming.
19701 Call clear_emit_caches instead of doing it in-line.
19702 Access regno_pointer_* variables through current_function.
19703 (init_emit_once) Don't clear sequence_stack.
19705 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
19707 (arg_pointer_save_area): Delete declaration.
19708 (finish_expr_for_function): Renamed from init_queue; no longer static.
19709 (init_expr): Don't call init_queue.
19710 (save_expr_status, restore_expr_status): Delete functions.
19711 (expand_expr): Changes to reflect new layout of struct function.
19712 Don't access current_function_check_memory_usage when current_function
19714 * expr.h (forced_labels, save_expr_regs, saveregs_value,
19715 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
19716 current_function_outgoing_args_size, current_function_arg_offset_rtx,
19717 current_function_uses_const_pool, function_call_count,
19718 current_function_uses_pic_offset_table, nonlocal_labels,
19719 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
19720 current_function_check_memory_usage, nonlocal_goto_handler_slots,
19721 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
19723 (finish_expr_for_function): Declare.
19724 * flags.h (current_function_has_nonlocal_label,
19725 current_function_has_nonlocal_goto, current_function_is_thunk,
19726 current_function_has_computed_jump): Delete declarations.
19727 * flow.c (forced_labels): Delete declaration.
19728 * function.c (current_function_pops_args,
19729 current_function_returns_struct, current_function_returns_pcc_struct,
19730 current_function_needs_context, current_function_calls_setjmp,
19731 current_function_calls_longjmp, current_function_has_nonlocal_label,
19732 current_function_has_nonlocal_goto, current_function_is_thunk,
19733 current_function_has_computed_jump, current_function_calls_alloca,
19734 current_function_contains_functions, current_function_returns_pointer,
19735 current_function_epilogue_delay_list, current_function_args_size,
19736 current_function_pretend_args_size, current_function_arg_offset_rtx,
19737 current_function_outgoing_args_size, current_function_varargs,
19738 current_function_stdarg, current_function_args_info, cleanup_label,
19739 current_function_name, current_function_uses_const_pool,
19740 current_function_instrument_entry_exit, current_function_return_rtx,
19741 current_function_uses_pic_offset_table, nonlocal_labels,
19742 current_function_internal_arg_pointer, current_function_cannot_inline,
19743 current_function_check_memory_usage, function_call_count,
19744 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
19745 nonlocal_goto_stack_level, return_label, save_expr_regs,
19746 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
19747 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
19748 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
19749 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
19750 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
19752 (push_function_context_to): Don't save them. Don't call
19753 save_storage_status, save_emit_status or save_expr_status.
19754 (pop_function_context_from): Don't restore them. Don't call
19755 restore_storage_status or restore_expr_status.
19756 (get_func_frame_size): New function.
19757 (get_frame_size): Use it.
19758 (assign_outer_stack_local): Reflect some member name changes in struct
19760 (put_reg_into_stack): Likewise.
19761 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
19763 (fixup_var_refs): Likewise.
19764 (fix_lexical_addr): Likewise.
19765 (trampoline_address): Likewise.
19766 (prepare_function_start): Clear field inlinable of current_function.
19767 (init_function_for_compilation): New function.
19768 (expand_dummy_function_end): New function.
19769 (expand_function_end): Call finish_expr_for_function.
19770 * function.h (struct emit_status): New; fields moved here from struct
19771 function and from global variables. Add accessor macros for some of
19773 (struct expr_status): Likewise.
19774 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
19775 (struct function): Add fields expr and emit, inlinable, inl_emit,
19776 original_arg_vector, original_decl_initial, inl_last_parm_insn,
19777 inl_max_label_num. Add many comments.
19778 Add accessor macros for all elts of struct function that no longer
19779 have a global variable.
19780 (cleanup_label, return_label, frame_offset, tail_recursion_label,
19781 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
19782 stack_slot_list): Delete declarations.
19783 (get_func_frame_size): Declare.
19784 (save_expr_status, restore_expr_status, save_emit_status,
19785 save_storage_status, restore_storage_status): Delete declarations.
19786 (init_virtual_regs): Declare.
19787 * output.h (current_function_pops_args,
19788 current_function_returns_struct, current_function_returns_pcc_struct,
19789 current_function_needs_context, current_function_calls_setjmp,
19790 current_function_calls_longjmp, current_function_calls_alloca,
19791 current_function_has_nonlocal_label, current_function_varargs,
19792 current_function_has_computed_jump, current_function_returns_pointer,
19793 current_function_contains_functions, current_function_args_size,
19794 current_function_pretend_args_size, current_function_stdarg,
19795 current_function_outgoing_args_size, current_function_args_info,
19796 current_function_name, current_function_return_rtx,
19797 current_function_epilogue_delay_list,
19798 current_function_uses_const_pool, current_function_cannot_inline):
19799 Delete declarations.
19800 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
19801 regno_reg_rtx): Delete declaration.
19802 (REGNO_POINTER_FLAG): Delete macro.
19803 * stmt.c (expand_goto): Changes to reflect that some fields in struct
19804 function were renamed.
19805 * stor-layout.c (save_storage_status, restore_storage_status): Delete
19807 * toplev.c: Include "function.h".
19808 (current_function_decl): Delete declaration.
19809 (compile_file): Call init_dummy_function_start and
19810 expand_dummy_function_end around some initializations that need to
19812 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
19813 Call init_function_for_compilation.
19814 * unroll.c: Include "function.h"
19815 (unroll_loop): Access regno_pointer_* variables through
19818 * tree.h (struct tree_decl): Add elt f to saved_insns member.
19819 (DECL_SAVED_INSNS): use it.
19820 (expand_dummy_function_end): Declare.
19821 (init_function_for_compilation): Declare.
19822 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
19823 that it's no longer an INLINE_HEADER.
19824 (expand_call): Likewise.
19825 * integrate.c (finish_inline): Delete function.
19826 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
19827 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
19828 args. Don't generate an INLINE_HEADER rtx, just return the arg
19829 vector. All callers changed.
19830 (save_for_inline_copying): Create a duplicate struct emit_status to
19831 hold the emit state for compiling the current function. Use this and
19832 the other new fields in struct function that are for integration
19833 instead of an INLINE_HEADER.
19834 Use memcpy instead of bcopy.
19835 Store the current struct function in DECL_SAVED_INSNS of fndecl.
19836 (save_for_inline_nocopy): Similar changes, except no new emit_status
19838 (expand_inline_function): Get information from function structure,
19839 not from an inline header rtx.
19840 (output_inline_function): Lose code to extract the necessary
19841 information from an inline header; simply put back the function
19842 structure into current_function. Clear its inlinable elt.
19843 * rtl.def (INLINE_HEADER): Delete.
19844 * rtl.h: Delete all accessors for an INLINE_HEADER.
19845 (gen_inline_header_rtx): Delete declaration.
19846 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
19847 Delete declarations.
19848 (REGNO_POINTER_ALIGN): Delete.
19849 (clear_emit_caches): Declare.
19850 (set_new_last_label_num): Declare.
19852 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
19854 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
19856 * except.c (expand_eh_region_start_for_decl): Always start a new block.
19857 * stmt.c (is_eh_region): Make sure current_function is present, too.
19859 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
19861 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
19862 for 64bit PA targets.
19864 * pa.h (SELECT_SECTION): Define.
19865 * som.h (SELECT_SECTION): Delete.
19867 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19869 * alias.c (init_alias_analysis): Wrap call to
19870 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
19872 1999-08-07 Bruce Korb <autogen@linuxbox.com>
19874 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
19875 <sys/asm.h> contains an asm comment with an apostrophe
19876 * fixinc/inclhack.sh: regen
19877 * fixinc/fixincl.x: regen
19879 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
19881 * function.c (init_function_start): Clear prologue & epilogue.
19882 (prologue_epilogue_contains): New function.
19883 * alias.c (init_alias_analysis): Use it.
19884 * rtl.h (prologue_epilogue_contains): Declare it.
19886 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
19888 * jump.c (onlyjump_p): New function.
19889 * rtl.h: Declare it.
19890 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
19891 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
19893 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
19895 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
19896 to invert loops. Simplify block scanning.
19898 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19900 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
19901 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
19903 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
19905 * config/sparc/liteelf.h: New file to support sparclite-elf target
19906 * config/sparc/t-sp86x: New file to support sparc86x targets
19907 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
19908 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
19909 * configure.in: Support above target triplets
19910 * configure: Regenerated
19912 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
19914 * fixinc/server.c (server_setup): Do not prefix function used as
19915 parameter with `&'.
19917 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
19919 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
19920 Remove fp reg alternatives.
19922 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
19924 * Makefiin (TAROUTOPTS): Kill.
19925 (install-headers-tar): Use "xpf" for tar headerfile extraction
19926 * i370/x-oe (TAROUTOPTS): Delete.
19927 * m68k/x-apollo68 (TAROUTOPTS): Delete.
19928 * m68k/x-hp320 (TAROUTOPTS): Delete.
19929 * m68k/x-hp320g (TAROUTOPTS): Delete.
19930 * gcc.texi: Update bug reporting text.
19932 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19934 * reg-stack.c (change_stack) Fixed problem with negative array index.
19936 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
19938 * extend.texi, install.texi: Fix spelling mistakes.
19940 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
19941 (s-attrtab); No longer try to use pre-made insn-attrtab file.
19942 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
19943 PREMADE_ATTRTAB_MD.
19944 * mips/t-ecoff: Likewise.
19945 * mips/t-elf: Likewise.
19946 * mips/t-mips: Likewise.
19947 * mips/t-osfrose: Likewise.
19948 * mips/t-r3900: Likewise.
19949 * mips/t-svr3: Likewise.
19950 * mips/t-svr4: Likewise.
19951 * mips/t-ultrix: Likewise.
19953 * gcc.texi: Document recommend means to provide software floating
19954 point libraries in libgcc.a
19956 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
19958 * c-lex.c (yylex): We can have a number with no digits.
19960 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
19962 * jump.c (delete_prior_computation): New function, broken
19963 out of delete_computation. Check for side effects with
19964 side_effects_p instead of FIND_REG_INC_NOTE. Handle
19965 multi-word hard registers.
19966 (delete_computation): Use it. Check for side effects with
19967 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
19968 missing REG_DEAD note for a register which is both set and
19971 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
19973 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
19974 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
19975 (ASM_FILE_START): Import _mcount with the right type.
19976 (ASM_DECLARE_FUNCTION_NAME): Define.
19977 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
19978 * pa.c (output_function_prologue): Always emit the function's label
19980 * pa.h (TEXT_SPACE_P): Define.
19981 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
19982 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
19983 * som.h (TEXT_SPACE_P): Delete.
19984 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
19985 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
19987 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
19989 * expr.c (emit_group_load): Allow src to be a CONCAT.
19991 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19993 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
19994 (___mulsi3): Use '!' comment character.
19996 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19998 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
20000 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
20002 * gcc.c: Update URLs and mail addresses.
20003 * gcc.texi: Likewise.
20005 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
20007 * rs6000.c (current_file_function_operand): Return zero for
20009 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
20011 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
20014 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
20016 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
20017 allocate space in the stack frame for the PIC register.
20019 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
20021 * m68k.md (xordi3, anddi3): These patterns are not available on
20024 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
20026 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
20027 (PUT_REAL): Likewise.
20029 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20031 * final.c (shorten_branches): Don't add an alignment for loops
20032 that have no label inside.
20034 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20036 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
20037 prototypes in macro HAVE_cmpstrsi.
20039 * cpplib.c (cpp_get_token): Remove unused label `op3'.
20041 * emit-rtl.c (operand_subword): Remove unused variable
20044 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
20046 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
20048 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
20050 * cpphash.c (macroexpand): Delete leading whitespace when arg
20051 is concatenated before.
20052 (unsafe_chars): Correct test for whether + and - can extend a
20055 * cppinit.c (cpp_start_read): Do dependencies for
20056 -include/-imacros files also.
20058 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
20059 tokenizing non-directive lines.
20060 (cpp_expand_to_buffer): Temporarily disable no-output mode.
20061 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
20064 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20066 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
20068 * c-lex.c: Sync with C++ frontend.
20069 (linemode): New variable.
20070 (parse_float): imag, conversion_errno, and type are output only.
20071 (yylex): Adjust. Move initial '.' case into main switch.
20073 (handle_generic_pragma): Just deal with tokens.
20074 (readescape): Use ISXDIGIT and ISGRAPH.
20075 * c-parse.in: Add END_OF_LINE token.
20077 * c-lex.c (lang_init): Generalize.
20078 (nextchar): Remove. Replace uses with UNGETC.
20079 (skip_white_space): Handle linemode here. Optimize for cpplib.
20080 (skip_white_space_on_line): Remove.
20081 (extend_token_buffer_to): New fn.
20082 (extend_token_buffer): Use it.
20083 (read_line_number, check_newline): Just deal with tokens.
20084 (token_getch, token_put_back): New fns.
20085 (yylex): Use them. More cpplib optimizations. Simplify.
20087 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20088 Jason Merrill <jason@yorick.cygnus.com>
20090 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
20091 (consume_string): Make this smart about USE_CPPLIB.
20092 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
20093 (yylex): Rewrite to be intelligent about USE_CPPLIB.
20094 Also, clean up cases where we redundantly set token_buffer[0].
20095 (read_line_number): New fn.
20096 (ignore_escape_flag): New variable.
20098 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
20100 * a29k/t-a29kbare: Fix some comments.
20101 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
20102 (FPBIT, DPBIT): Define.
20103 * a29k/t-vx29k: Likewise.
20104 * arc/t-arc: Likewise.
20105 * arm/t-arm-elf: Likewise.
20106 * arm/t-bare: Likewise.
20107 * arm/t-pe: Likewise.
20108 * arm/t-pe-thumb: Likewise.
20109 * arm/t-semi: Likewise.
20110 * arm/t-thumb: Likewise.
20111 * arm/t-thumb-elf: Likewise.
20112 * arm/t-thumb-linux: Likewise.
20113 * h8300/t-h8300: Likewise.
20114 * i960/t-i960: Likewise.
20115 * i960/t-vxworks960: Likewise.
20116 * m32r/t-m32r: Likewise.
20117 * mips/t-ecoff: Likewise.
20118 * mips/t-elf: Likewise.
20119 * mips/t-r3900: Likewise.
20120 * pa/t-pro: Likewise.
20121 * rs6000/t-aix43: Likewise.
20122 * rs6000/t-beos: Likewise.
20123 * rs6000/t-newas: Likewise.
20124 * rs6000/t-ppccomm: Likewise.
20125 * rs6000/t-rs6000: Likewise.
20126 * rs6000/t-winnt: Likewise.
20127 * rs6000/t-xnewas: Likewise.
20128 * rs6000/t-xrs6000: Likewise.
20129 * sh/t-sh: Likewise.
20130 * sparc/t-elf: Likewise.
20131 * sparc/t-sparcbare: Likewise.
20132 * sparc/t-sparclite: Likewise.
20133 * sparc/t-splet: Likewise.
20134 * v850/t-v850: Likewise.
20135 * mn10200/t-mn10200: Fix comments.
20136 * mn10300/t-mn10300: Likewise.
20138 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
20139 dummy operand. Allocate a new pseudo for the dummy operand.
20140 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
20142 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
20144 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
20146 * configure: Rebuilt.
20147 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
20149 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
20151 * recog.c (preproces_constraints): Zero recog_op_alt before
20152 processing the constraints.
20154 * arm.c (typedef minipool_node): Renamed from pool_node.
20155 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
20156 (add_minipool_constant): New function.
20157 (dump_minipool): New function.
20158 (find_barrier): Remove special case for getting the insn size of
20159 an insn that references the constant pool.
20160 (minipool_fixup): New structure.
20161 (push_minipool_barrier): New function.
20162 (push_minipool_fix): New function.
20163 (note_invalid_constants): New function.
20164 (add_pool_constant, dump_table, fixit, broken_move): Delete.
20165 (arm_reorg): Rewrite code to fix up the constant pool into a
20166 series of mini-pools embedded in the insn stream.
20167 (arm_output_epilogue): New function, made mainly from the body
20168 of output_func_epilogue.
20169 (output_func_epilogue): Move insn generation part of epilogue code
20170 to arm_output_epilogue.
20171 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
20172 * arm.md (pool_range): New attribute.
20173 (zero_extendqidi2): Add attribute pool_range.
20174 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
20175 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
20176 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
20177 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
20178 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
20179 (epilogue): New expand.
20180 (epilogue_insn): New insn. Call arm_output_epilogue.
20182 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
20183 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
20185 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20187 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20189 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
20191 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
20193 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
20195 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
20197 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
20199 * global.c: Fix comment.
20201 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
20203 * gcc.c (access_check): New static function.
20204 (find_a_file): Use it when searching a directory list.
20205 * collect2.c (find_a_file): Don't accept directories found when
20206 searching a directory list.
20208 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
20210 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
20211 function parameters with `&'.
20212 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
20214 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
20216 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
20217 or tidy_fallthru_edge if the last insn in the block is not
20218 an unconditional jump or a simple conditional jump.
20220 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20222 * Makefile.in (c-decl.o): Depends on defaults.h.
20224 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
20226 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
20228 (CLASS_MAX_NREGS): Likewise.
20230 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
20232 * cse.c (cse_insn): Fix dumb thinko in last change.
20234 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20236 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
20239 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
20241 * dwarf2out.c (add_location_or_const_value_attribute): Correct
20242 test for sizes of passed and declared parameter types.
20244 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20246 * fixincludes: Fix the return type of bsearch, char* -> void*.
20248 * fixinc/inclhack.def: Likewise.
20250 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
20252 * invoke.texi (-fdump-translation-unit): New option.
20254 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
20256 * expr.h (PROMOTE_PROTOTYPES): Move ...
20257 * defaults.h: ... to here.
20258 * c-decl.c: Include defaults.h instead of expr.h.
20259 * c-typeck.c: Include defaults.h.
20261 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
20263 * toplev.h (errorcount): Declare.
20264 (warningcount): Likewise.
20265 (sorrycount): Likewise.
20266 * c-lex.c (errorcount): Don't declare.
20267 * dwarf2out.c (errorcount): Don't declare.
20269 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
20271 * config/libgloss.h: Add a note discouraging use with ELF.
20272 * configure.in: Don't use libgloss.h for ELF targets.
20273 Always use_collect2 on a.out targets.
20275 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
20277 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
20278 (force_to_mode, case ASHIFTRT): Add shiftrt label.
20280 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20282 * loop.c (strength_reduce): When doing biv->giv conversion, update
20283 reg note of NEXT->insn.
20285 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20287 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
20289 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20291 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
20292 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
20293 Ensure expr.h is included.
20294 * c-typecheck.c (convert_arguments): Ditto.
20296 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
20298 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
20299 * config/convex/convex.h: Ditto.
20300 * config/dsp16xx/dsp16xx.h: Ditto.
20301 * config/fx80/fx80.h: Ditto.
20302 * config/gmicro/gmicro.h: Ditto.
20303 * config/i370/i370.h: Ditto.
20304 * config/i386/i386.h: Ditto.
20305 * config/m32r/m32r.h: Ditto.
20306 * config/m68k/m68k.h: Ditto.
20307 * config/m88k/m88k.h: Ditto.
20308 * config/mips/mips.h: Ditto.
20309 * config/pa/pa.h: Ditto.
20310 * config/pyr/pyr.h: Ditto.
20311 * config/tahoe/tahoe.h: Ditto.
20312 * config/we32k/we32k.h: Ditto.
20314 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
20315 based on arch size.
20317 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
20319 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
20322 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
20324 1999-08-02 Richard Henderson <rth@cygnus.com>
20326 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
20327 for the register spill block.
20328 (m32r_va_arg): New.
20329 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
20330 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
20332 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
20333 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
20334 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
20336 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20338 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
20339 MAX_WCHAR_TYPE defined in sparc.h.
20340 * config/sparc/linuxaout.h: Likewise.
20341 * config/sparc/linux64.h: Likewise.
20342 Also default to -mvis if CPU is UltraSPARC.
20344 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20346 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
20347 (RTX_OK_FOR_OLO10): Likewise.
20348 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
20349 %lo(), allow it in addresses...
20350 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
20351 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
20352 does not make sense.
20353 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
20354 (sparc_output_scratch_registers): New function.
20355 (output_function_prologue, sparc_flat_output_function_prologue): Use
20357 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
20359 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
20360 * configure.in: Add check for .register pseudo-op support in as and
20361 check for offsetable %lo().
20362 * acconfig.h: Add templates for the above checks.
20363 * configure: Regenerate.
20365 1999-08-02 Richard Henderson <rth@cygnus.com>
20367 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
20368 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
20369 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
20371 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20373 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20376 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20378 * config/float-sparc.h: New file.
20379 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
20380 sparc-*-linux-gnu and sparc64-*-linux*.
20382 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20384 * rs6000.c (rs6000_va_list): Type is an array.
20385 (rs6000_va_start): Don't doubly adjust for varargs.
20386 (rs6000_va_arg): Evaluate long long GPR adjustment.
20388 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
20390 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
20391 -maix64 and -maix32.
20392 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
20393 LINK_SPEC): Change appropriately.
20394 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
20395 (u_short_cint_operand): Likewise.
20396 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
20398 * rs6000/t-aix43 (MULTILIB): Change to -m64.
20400 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
20402 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
20404 * rs6000/rs6000.c (num_insns_constant_wide): Correct
20405 for type promotion.
20406 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
20407 (non_add_cint_operand): Likewise.
20408 (logical_operand): Likewise.
20409 (non_logical_cint_operand): Likewise.
20410 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
20411 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
20412 (rs6000_select_rtx_section): Suppress warning.
20413 (small_data_operand): Suppress warning.
20414 (rs6000_got_register): Suppress warning.
20415 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
20416 type, so `J' is generally the wrong constraint for a SImode value;
20418 (andsi3_internal2): Likewise.
20419 (andsi3_internal3): Likewise.
20420 (iorsi3_internal1): Likewise.
20421 (xorsi3_internal1): Likewise.
20423 (movsf_softfloat): Likewise.
20424 (scc insns): Likewise.
20425 (movsi+2): Preserve sign bits of SImode constant.
20426 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
20427 (movdf+1): Sign-extend properly.
20428 (movdi_32+1): Sign-extend properly.
20429 (scc insns): Sign-extend properly.
20431 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
20434 1999-08-02 Richard Henderson <rth@cygnus.com>
20436 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
20437 -mcpu parsing code.
20438 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
20439 * alpha.md (all fp insns): Likewise.
20441 1999-08-02 Nick Clifton <nickc@cygnus.com>
20443 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
20446 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
20448 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
20449 pic_load_label generator directly.
20450 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
20451 No longer a named pattern.
20453 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
20455 * explow.c (force_reg): Call force_operand if X does not
20456 satisfy general_operand.
20458 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
20460 * fix-header.c (main): When testing for CONTINUED, use string
20461 equality, not pointer equality.
20463 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
20465 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
20467 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
20469 * cse.c (cse_insn): Fix loop which deletes insns after a jump
20470 that has become an unconditional jump.
20472 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
20473 (output_function_epilogue): Similarly.
20475 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20477 * tree.h (init_dummy_function_start): Declare.
20479 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20481 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
20482 last_expr_type, last_expr_value, block_start_count, block_stack,
20483 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
20484 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
20485 dynamically in stmt elt of struct function for each function.
20486 (struct nesting): Rename function_call_count elt to n_function_calls,
20487 target_temp_slot_level to block_target_temp_slot_level. All users
20489 (struct stmt_status): New structure definition.
20490 Add many accessor macros for stmt_status elements which previously
20491 were global variables.
20492 (init_stmt_for_function): Allocate stmt elt for current_function.
20493 Reflect that block_start_count was renamed to
20494 current_block_start_count.
20495 (save_stmt_status, restore_stmt_status): Delete functions.
20496 (preserve_subexpressions_p): Don't access loop_stack when outside
20498 (expand_start_bindings): Reflect that block_start_count was renamed to
20499 current_block_start_count.
20500 (expand_fixup): Likewise.
20501 (expand_decl): Don't access block_stack when outside a function.
20502 (expand_decl_cleanup): Likewise.
20503 (expand_dcc_cleanup): Likewise.
20504 (expand_dhc_cleanup): Likewise.
20505 (expand_anon_union_decl): Likewise.
20506 (set_file_and_line_for_stmt): New function.
20507 (in_control_zone_p): New function.
20509 * function.h (struct function): Add new elt stmt.
20510 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
20511 case_stack, nesting_stack, nesting_depth, block_start_count,
20512 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
20513 emit_lineno, goto_fixup_chain.
20514 (save_eh_status, restore_eh_status, save_stmt_status,
20515 restore_stmt_status): Delete declarations.
20516 * function.c (push_function_context_to): Don't call save_stmt_status.
20517 (pop_function_context_to): Don't call restore_stmt_status.
20518 * tree.h (in_control_zone_p): Declare.
20519 * rtl.h (set_file_and_line_for_stmt): Declare.
20521 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
20522 call set_file_and_line_for_stmt.
20524 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
20526 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
20527 Also update copyright.
20529 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20531 * c-pragma.c: Don't include "except.h".
20532 * emit-rtl.c: Likewise.
20533 * stor-layout.c: Likewise.
20534 * tree.c: Likewise.
20535 * varasm.c: Likewise.
20537 * flow.c: Include "function.h".
20538 * tree.h (init_dummy_function_start): Declare new function.
20540 * except.h (struct eh_status): New structure.
20541 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
20543 (eh_return_stub_label, ehstack, catchstack, ehqueue,
20544 catch_clauses, false_label_stack, caught_return_label_stack,
20545 protect_list, current_function_ehc): Add accessor macros for the
20546 corresponding fields in current_function->eh; delete declarations
20547 for all items that used to be declared here.
20548 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
20549 catch_clauses, false_label_stack, caught_return_label_stack,
20550 protect_list, current_function_ehc): Delete variables.
20551 (init_eh_for_function): Allocate current_function->eh.
20552 (save_eh_status, restore_eh_status): Delete functions.
20554 * function.h (struct function): Add fields next_global and eh.
20555 Delete all exception handling related fields.
20556 * function.c (current_function): New variable.
20557 (all_functions): New variable.
20558 (push_function_context_to): Don't allocate a struct function,
20559 use current_function instead. Call init_dummy_function_start when
20560 outside a function. Clear current_function before returning.
20561 (pop_function_context_from): Restore current_function.
20562 Don't free the restored struct function.
20563 (prepare_function_start): New function.
20564 (init_dummy_function_start): New function.
20565 (init_function_start): Break out some code into prepare_function_start
20568 * stmt.c (save_stmt_status): Don't call save_eh_status.
20569 (restore_stmt_status): Don't call restore_eh_status.
20571 * Makefile.in: Update dependencies.
20573 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
20575 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
20576 of depending on a magic constant value. Update comments.
20577 (hppa_expand_prologue): Similarly.
20579 * pa.md (reload_indi, reload_outdi): Allow any register for the
20580 original reload register.
20582 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
20584 * cccp.c (print_help): Change marcos to macros.
20586 1999-07-30 Richard Henderson <rth@cygnus.com>
20588 * c-typeck.c (initializer_constant_valid_p): Move ...
20589 * c-common.c (initializer_constant_valid_p): ... here. Use
20590 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
20591 of label addresses.
20592 * c-common.h (initializer_constant_valid_p): Declare.
20593 * c-tree.h (initializer_constant_valid_p): Remove.
20595 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
20597 * config/i386/sol2-c1.asm: Align the stack.
20598 * config/i386/sol2-gc1.asm: Likewise.
20600 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
20602 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
20603 -Asparclite for sparc86x.
20604 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
20606 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
20608 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
20610 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
20611 the user if using the non-default arch size in BI_ARCH configuration.
20612 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
20614 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
20615 Fix patterns so that they actually match.
20616 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
20617 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
20618 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
20620 (mulsidi3): Reflect this in the expand.
20621 (smulsi3_highpart): Only on TARGET_ARCH32.
20622 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
20623 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
20624 (umulsidi3): Reflect this in the expand.
20625 (umulsi3_highpart): Only on TARGET_ARCH32.
20626 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
20627 don't require g0 to be zero.
20628 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
20629 ({,u}divsi3): New expands.
20630 ({,u}divsi3_sp64): New patterns.
20631 (after lshrdi3_v8plus): Four new patterns to help combiner
20632 optimizing nested mixed mode shifts.
20634 * config/sparc/sparc.c (sparc_override_options): Use deprecated
20635 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
20636 speed things up. Don't use them by default on plain v9 in 64bit
20637 mode, according to what SPAMv9 sais.
20639 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
20640 top 32 bits of %[og][0-7] in signal handlers.
20641 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
20643 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
20645 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
20646 (ashlsi3): Corresponding changes.
20648 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
20650 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
20652 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
20654 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20656 * arm.h (Hint): Delete macro.
20657 Substitute HOST_WIDE_INT for Hint in some prototypes.
20658 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
20660 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
20662 * builtins.c (expand_builtin_setjmp): Use force_operand to
20663 make sure that the buffer address is in a suitable form to be
20664 passed to force_reg.
20666 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
20668 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
20671 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
20673 * pa.md (indirect_jump): Remove mode from match_operand. Verify
20674 proper mode in the condition string.
20675 (icacheflush, dcacheflush): Remove modes from match_operands.
20677 * pa.c (emit_move_sequence): Always convert scratch_reg to the
20678 proper mode before using it.
20680 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
20683 * pa.c (store_reg): Do not call add_high_const generator directly.
20684 (load_reg, set_reg_plus_d): Likewise.
20685 * pa.md (add_high_const): No longer a named pattern.
20687 * pa.c (legitimize_address): Consistently use Pmode rather than
20688 SImode. Do not call gen_pic2_highpart directly anymore.
20689 * pa.md (pic2_highpart): No longer a named pattern.
20690 (pic2_lo_sum): Similarly. Reformat to make more readable.
20692 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
20697 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20699 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
20701 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
20703 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
20704 and tag the spill mems.
20705 (hppa_va_start): New.
20706 (hppa_va_arg): New.
20707 * pa.h (EXPAND_BUILTIN_VA_START): New.
20708 (EXPAND_BUILTIN_VA_ARG): New.
20710 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
20712 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
20713 and tag the spill mems.
20714 (mn10300_va_start): New.
20715 (mn10300_va_arg): New.
20716 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
20717 (EXPAND_BUILTIN_VA_ARG): New.
20719 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
20721 * mn10200.c (mn10200_va_arg): New.
20722 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
20724 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
20726 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
20727 rather than play with TREE_INT_CST_LOW.
20729 1999-07-27 Philip Blundell <pb@nexus.co.uk>
20731 * config/arm/telf.h: Include dbxelf.h.
20732 (CPP_PREDEFINES): Only define if not already defined.
20733 (ASM_IDENTIFY_GCC): Likewise.
20734 (SUBTARGET_EXTRA_SECTIONS): Likewise.
20735 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
20736 * config/arm/thumb.h (LINK_SPEC): Only define if not already
20738 (DBX_DEBUGGING_INFO): Don't define.
20739 * config/arm/linux-telf.h: New file.
20740 * config/arm/linux-tgas.h: New file.
20741 * config/arm/t-thumb-linux: New file.
20742 * config/arm/uclinux-elf.h: New file.
20743 * config/arm/uclinux-telf.h: New file.
20744 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
20745 thumb-*-uclinux): New targets.
20746 * configure: Regenerate.
20748 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
20750 * pa.md (post_store, pre_load): New expanders.
20751 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
20752 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
20753 need to directly generate RTL for them.
20754 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
20757 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
20759 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
20760 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
20761 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
20762 (secndary_reload_class): Make TARGET_ELF conditional compile.
20763 (print_operand_address): Similar.
20764 (output_toc): Print all values as hex.
20765 (get_issue_rate): Rearrange and add RS64A and PPC630.
20766 * rs6000.h (processor_type): Add RS64A and PPC630.
20767 (PROCESSOR_POWERPC64): New.
20768 (PROMOTE_MODE): Use word_mode.
20769 (RTX_COSTS): Add RS64A and PPC630.
20770 * rs6000.md (scheduling information): Add lmul and ldiv
20771 representing 64-bit integer multiply and divide. Add rs64a and
20772 PPC630 information.
20773 (ashldi3): Add support for "rldic" instruction.
20774 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
20776 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
20778 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
20779 instead of V8 for sparclite86x in cpu_table.
20781 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20783 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
20784 output_file_directive.
20786 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
20788 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
20789 tree for op1, not the rtl.
20791 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
20793 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
20794 to m88k_va_start, leaving only the register spill.
20795 (m88k_build_va_list): New.
20796 (m88k_va_start): New.
20797 (m88k_va_arg): New.
20798 * m88k.h (BUILD_VA_LIST_TYPE): New.
20799 (EXPAND_BUILTIN_VA_START): New.
20800 (EXPAND_BUILTIN_VA_ARG): New.
20802 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
20804 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
20805 Rename from expand_builtin_saveregs.
20806 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
20808 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
20810 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
20811 for the register spill block.
20812 (i960_build_va_list): New.
20813 (i960_va_start): New.
20814 (i960_va_arg): New.
20815 * i960.h (BUILD_VA_LIST_TYPE): New.
20816 (EXPAND_BUILTIN_VA_START): New.
20817 (EXPAND_BUILTIN_VA_ARG): New.
20818 * i960.md (store_multiple): Use change_address on individul mems.
20820 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
20822 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
20824 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
20825 (expand_builtin_va_end): Evaluate arg for side effects.
20826 * c-common.c (c_common_nodes_and_builtins): Construct a
20827 va_list_arg_type_node to handle array decomposition to pointer.
20829 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
20831 * except.c (st_dynamic_cleanup): Use force_operand on the
20834 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
20836 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
20837 * c4x.c (c4x_va_arg): New.
20839 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
20841 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
20842 has manual_pop set.
20844 1999-07-26 Nathan Sidwell <nathan@acm.org>
20846 * eh-common.h (__eh_matcher): Prototype correctly.
20848 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
20850 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
20851 (TARGET_SINGLE_PIC_BASE): Likewise.
20852 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
20854 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
20855 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
20856 (TARGET_OPTIONS): Add -mpic-register=N.
20857 (OUTPUT_INT_ADDR_CONST): New macro.
20858 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
20859 LEGITIMATE_PIC_OPERAND_P): Likewise.
20860 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
20861 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
20862 output_addr_const directly.
20863 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
20865 (thumb_pic_register, thumb_pic_register_string): Declare.
20867 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
20869 (label_mentioned_p): New function: Imported from arm.c.
20870 (legitimize_pic_address): New function: Imported from arm.c.
20871 (is_pic):New function: Imported from arm.c.
20872 (thumb_finalize_pic):New function: Imported from arm.c.
20873 (add_constant): Cope with PIC constants.
20874 (fixit): Cope with PIC constants.
20875 (output_return): Do not treat the PIC register as live if
20876 TARGET_SINGLE_PIC_BASE is true.
20877 (thumb_function_prologue): Do not treat the PIC register as live if
20878 TARGET_SINGLE_PIC_BASE is true.
20879 (thumb_expand_prologue): Do not treat the PIC register as live if
20880 TARGET_SINGLE_PIC_BASE is true.
20881 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
20882 TARGET_SINGLE_PIC_BASE is true.
20883 (thumb_print_operand): Accept '|'.
20884 (thumb_override_options): Process PIC options.
20886 * config/arm/thumb.md (movsi): Support PIC.
20887 (call_insn): Change "i" constraint to "X".
20888 (call_value_insn): Likewise.
20889 (consttable_4, consttable_8, consttable_end): Set and clear
20890 "making_const_table" as appropriate.
20891 (pic_load_addr, pic_add_dot_plus_four): New insns.
20893 * invoke.texi (Thumb Options): Fix spelling. Document new
20894 options -msingle-pic-base and -mpic-register=.
20896 1999-07-26 Andrew Haley <aph@cygnus.com>
20898 * config/m32r/initfini.c (__init): Use a full word immediate for
20899 __fini: this allows it to be placed in any memory region.
20901 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
20902 -mmodel=medium. This is OK for all memory models.
20904 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
20906 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
20907 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
20909 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
20911 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
20914 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
20916 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
20918 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
20919 (BUILD_VA_LIST_TYPE): New.
20920 (EXPAND_BUILTIN_VA_START): New.
20921 (EXPAND_BUILTIN_VA_ARG): New.
20922 * i860.c (output_delayed_branch): Disable.
20923 (output_delay_insn): Likewise.
20924 (i860_saveregs): New.
20925 (i860_build_va_list): New.
20926 (i860_va_start): New.
20927 (i860_va_arg): New.
20928 * i860.md: Disable all peepholes using output_delayed_branch.
20929 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
20931 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
20933 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
20934 (BUILD_VA_LIST_TYPE): New.
20935 (EXPAND_BUILTIN_VA_START): New.
20936 (EXPAND_BUILTIN_VA_ARG): New.
20937 * clipper.c (clipper_builtin_saveregs): Only dump registers.
20938 Return the address of the save area.
20939 (clipper_build_va_list): New.
20940 (clipper_va_start): New.
20941 (clipper_va_arg): New.
20943 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
20945 * arc.h (EXPAND_BUILTIN_VA_START): New.
20946 (EXPAND_BUILTIN_VA_ARG): New.
20947 * arc.c (arc_setup_incoming_varargs): Set alias set of
20949 (arc_va_start): New.
20952 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
20954 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
20955 (BUILD_VA_LIST_TYPE): New.
20956 (EXPAND_BUILTIN_VA_START): New.
20957 (EXPAND_BUILTIN_VA_ARG): New.
20958 * alpha.c (alpha_builtin_saveregs): Delete.
20959 (alpha_build_va_list): New.
20960 (alpha_va_start): New.
20961 (alpha_va_arg): New.
20963 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
20965 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
20967 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
20968 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
20970 * gcc.texi: More changes related to list conversion.
20971 * invoke.texi: Likewise.
20973 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
20975 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
20976 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
20977 (expand_builtin_next_arg): Accept ARGLIST not EXP.
20978 (stabilize_va_list): New function.
20979 (std_expand_builtin_va_start): New function.
20980 (expand_builtin_va_start): New function.
20981 (get_varargs_alias_set): New function.
20982 (std_expand_builtin_va_arg): New function.
20983 (expand_builtin_va_arg): New function.
20984 (expand_builtin_va_end): New function.
20985 (expand_builtin_va_copy): New function.
20986 (expand_builtin): Call them.
20987 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
20988 __builtin_{varargs_start,stdarg_start,end,copy}.
20989 (build_va_arg): New function.
20990 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
20991 (build_va_arg): Declare.
20992 * c-decl.c (ptr_type_node, va_list_type_node): New.
20993 * c-parse.gperf (__builtin_va_arg): New.
20994 * c-parse.in (VA_ARG): New token.
20995 (unary_expr): Recognize it.
20996 * expr.c (expand_expr): Expand VA_ARG_EXPR.
20997 * expr.h (std_expand_builtin_va_start): Declare.
20998 (std_expand_builtin_va_arg): Declare.
20999 (expand_builtin_va_arg): Declare.
21000 (get_varargs_alias_set): Declare.
21001 * tree.def (VA_ARG_EXPR): New.
21002 * tree.h (BUILT_IN_VARARGS_START): New.
21003 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
21004 (ptr_type_node, va_list_type_node): Declare.
21005 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
21006 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
21007 * m88k.h, m88k.c: Likewise.
21008 * mn10300.h, mn10300.c: Likewise.
21009 * pa.h, pa.c: Likewise.
21010 * rs6000.h, rs6000.c: Likewise.
21011 * sh.h, sh.c: Likewise.
21012 * sparc.h, sparc.c: Likewise.
21014 * emit-rtl.c (operand_subword): Copy alias set.
21015 (change_address): Likewise.
21017 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
21019 * pa.c (compute_frame_size): Scan all the used callee saved registers,
21020 not just the first one.
21022 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
21024 * config/arm/arm.h (TARGET_SWITCHES): Add
21025 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
21026 (TARGET_OPTIONS): Add -mpic-register=.
21027 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
21028 (arm_pic_register_string): Declare.
21029 (NEED_PLT_GOT): Delete, replace with ...
21030 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
21031 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
21032 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
21033 * config/arm/arm.c (arm_override_options): Add new option
21035 (arm_pic_register_string): New variable.
21036 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
21037 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
21038 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
21039 (output_return_instruction): Likewise.
21040 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
21041 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
21042 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
21044 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
21045 mention of -msched-prolog. Document new options -msingle-pic-base
21046 and -mpic-register=.
21048 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
21050 * haifa-sched.c (reemit_notes): Tidy.
21051 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
21054 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
21056 * explow.c (trunc_int_for_mode): New function.
21057 (plus_constant_wide): Use it.
21058 * combine.c (simplify_and_const_int): Likewise.
21059 (merge_outer_ops): Likewise.
21060 (simplify_shift_const): Likewise.
21061 * cse.c (simplify_unary_operation): Likewise.
21062 (simplify_binary_operation): Likewise.
21063 * emit-rtl.c (operand_subword): Likewise.
21064 * rtl.h: Declare it.
21066 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21068 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
21069 (use NUM_REGS instead of NUM_INTS).
21071 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21073 * builtins.c: New file.
21074 * expr.c (saveregs_value, apply_args_value): Delete definition,
21075 moved into builtins.c.
21076 (string_constant): No longer static.
21077 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
21078 apply_args_size, apply_result_size, result_vector,
21079 expand_builtin_apply_args, expand_builtin_apply,
21080 expand_builtin_return): Delete functions, moved into builtins.c.
21081 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
21082 * expr.h (saveregs_value, apply_args_value): Declare variables.
21083 (expand_builtin, string_constant): Declare functions.
21084 * Makefile.in: Update to build builtin.o.
21086 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
21088 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
21089 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
21090 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
21091 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
21093 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
21096 1999-07-21 Michael Meissner <meissner@cygnus.com>
21098 * print-rtl.c (print_rtx): Print the names of the virtual
21101 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
21103 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
21104 introduced in previous delta.
21106 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21108 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
21109 to avoid name clash.
21111 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21113 * c-lex.c (yylex) : Correct the test for overflow when lexing
21116 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
21118 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
21119 (adjust_priority): Always call ADJUST_PRIORITY.
21120 (schedule_insn): Only put insns into the ready at cost 0.
21121 (schedule_block): Remove redundant initial sort. Give clock_var
21122 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
21124 * tm.texi (MD_SCHED_REORDER): Update docs.
21126 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
21127 * sparc.c (ultra_reorder_called_this_block): Delete.
21128 (ultrasparc_sched_init): Don't set it.
21129 (ultrasparc_sched_reorder): Don't check it.
21131 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
21133 * rs6000.h (struct rs6000_args): Add sysv_gregno.
21134 * rs6000.c (init_cumulative_args): Init sysv_gregno.
21135 (function_arg_boundary): Align DFmode.
21136 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
21137 to get fp reg and stack overflow correct.
21138 (function_arg): Likewise.
21139 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
21140 (setup_incoming_varargs): Restructure for ABI_V4; use
21141 function_arg_advance to skip final named argument.
21142 (expand_builtin_saveregs): Properly unskip the last integer arg
21143 when doing varargs. Adjust overflow location calculation.
21145 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
21146 explicitly unsigned.
21147 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
21148 (__VA_GP_REGSAVE): Similarly.
21149 (__va_longlong_p): Delete.
21150 (__va_arg_type_violation): New declaration.
21151 (va_arg): Restructure. Flag promotion errors. Align double.
21152 TFmode passed by reference.
21154 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
21155 in the HOST_BITS_PER_WIDE_INT > 32 case.
21157 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
21159 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
21161 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
21163 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
21164 * toplev.c (documented_lang_options): Add -fpreprocessed.
21165 * cpplib.h (struct cpp_buffer): Add preprocessed.
21166 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
21167 (cpp_start_read): Don't expand macros or emit an initial #line
21168 directive if -fpreprocessed.
21170 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21172 * cpplib.h (struct cpp_buffer): Added manual_pop for
21173 better C++ tokenization.
21174 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
21175 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
21176 * c-common.c (cpp_token): Make non-static.
21178 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21180 * c-common.h: New file.
21181 * c-common.c (permanent_obstack): Delete unused declaration.
21182 (c_global_trees): New array.
21183 (c_common_nodes_and_builtins): New function; split off common code
21184 from init_decl_processing in both c-decl.c and cp/decl.c.
21185 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
21186 c_global_trees and accessor macros defined in c-common.h.
21187 Include c-common.h.
21188 * c-decl.c: Delete definitions for tree nodes that were replaced by
21190 (init_decl_processing): Build void_list_node.
21191 Call c_common_nodes_and_builtins; delete code to generate the common
21193 * objc/objc-act.c (build_module_descriptor): Rename variable
21194 void_list_node to avoid clash with c-common.h.
21196 * Makefile.in: Update dependencies.
21197 * objc/Make-lang.in: Likewise.
21199 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
21201 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
21202 (UNIQUE_SECTION_P): Likewise.
21203 (UNIQUE_SECTION): Likewise.
21205 1999-07-19 Linas Vepstas <linas@linas.org>
21207 * config/i370/README: New file.
21208 * config/i370/linux.h: New file.
21209 * config/i370/mvs.h: New file.
21210 * config/i370/oe.h: New file.
21211 * config/i370/t-linux: New file.
21212 * config/i370/t-mvs: New file.
21213 * config/i370/t-oe: New file.
21214 * config/i370/x-oe: New file.
21215 * config/i370/xm-linux.h: New file.
21216 * config/i370/xm-mvs.h: New file.
21217 * config/i370/xm-oe.h: New file.
21219 * i370.c (label_node_t): Add first_ref_page, label_addr,
21220 label_first_ref, label_last_ref members.
21221 (mvs_need_base_reload): Renamed from mvs_label_emitted.
21222 (MAX_MVS_LABEL_SIZE): Define.
21223 (MAX_LONG_LABEL_SIZE): Define.
21224 (alias_node_t, alias_anchor, alias_number): New.
21225 (mvs_function_table): Reorder for EBCDIC.
21226 (ascebc, ebcasc): Unconditionally define.
21227 (i370_branch_dest, i370_branch_length): New functions.
21228 (i370_short_branch, i370_label_scan): New functions.
21229 (mvs_get_label): Renamed from mvs_add_label. Search for
21230 an existing label before creating a new one.
21231 (mvs_add_label): New function.
21232 (mvs_get_label_page): New function.
21233 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
21234 over the entire list.
21235 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
21236 (mvs_check_page) [TARGET_ELF_ABI]: New function.
21237 (mvs_add_alias, mvs_need_alias): New functions.
21238 (mvs_get_alias, mvs_check_alias): New functions.
21239 (handle_pragma): New function.
21240 (mvs_function_check): New function.
21241 (unsigned_jump_follows_p): Search harder.
21242 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
21243 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
21244 * i370.h (TARGET_VERSION): Delete.
21245 (CPP_SPEC, CPP_PREDEFINES): Delete.
21246 (mvs_label_emitted): Delete.
21247 (TARGET_EBCDIC): Delete.
21248 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
21249 (HANDLE_PRAGMA): Define.
21250 (HARD_REGNO_NREGS): Handle complex modes.
21251 (HARD_REGNO_MODE_OK): Likewise.
21252 (CLASS_MAX_NREGS): Likewise.
21253 (RET_REG): Likewise.
21254 (EXTRA_CONSTRAINT): Define.
21255 (RETURN_IN_MEMORY): True for DImode.
21256 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
21257 (FUNCTION_PROFILER): Delete.
21258 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
21259 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
21260 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
21261 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
21262 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
21263 (ASM_FILE_START): Add "RMODE ANY".
21264 (ASM_OUTPUT_EXTERNAL): Check for aliases.
21265 (ASM_GLOBALIZE_LABEL): Likewise.
21266 (ASM_OUTPUT_LABELREF): Likewise.
21267 (ASM_OUTPUT_COMMON): Likewise.
21268 (PRINT_OPERAND): Handle 'K', 'W', default.
21269 (PRINT_OPERAND_ADDRESS): New.
21270 (Lots of defines): Add support for TARGET_ELF_ABI.
21271 * i370.md (attr length): New. Define for all patterns.
21272 (*): Lots of tweeks to assembly output and constraints.
21274 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
21276 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
21277 Disable patterns performing SImode comparisons with SImode values
21278 if TARGET_POWERPC64 and instruction does not sign-extend or does
21279 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
21280 differ for signed quantities.
21281 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
21282 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
21283 (decrement_and_branch_on_count): Add 64-bit variant.
21285 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21287 * final.c (output_asm_insn): When searching for the matching string
21288 for a given dialect, don't run past the end of the list of
21289 alternatives if there are fewer alternatives in the template than
21292 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
21294 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
21295 Removed paragraph about compression of files and size limitation,
21296 duplicated in the FAQ. Use gcc-patches for posting patches.
21297 * gcc.c (main): Updated URL with bug reporting instructions to
21298 gcc.gnu.org. Removed e-mail address.
21299 * system.h (abort): Likewise.
21301 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21303 * Makefile.in (stmp-multilib-sub): Make the files extracted
21304 from $(LIBGCC1) writable.
21306 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
21308 * config/arm/aout.h: Reformat for improved readability.
21310 * config/arm/arm.h: Reformat for improved readability.
21311 Replace uses of fprintf with asm_fprintf where appropriate.
21312 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
21313 function declaration assembler actions.
21314 (NUM_INTS): New macro: Convert from bytes to words.
21315 (NUM_REGS): New macro: Compute number of registers required to
21316 hold a quanitity of tyep MODE.
21317 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
21319 (NUM_ARG_REGS): New macro: The number of argument registers
21321 (ARG_REGISTER): New macro: Compute the register number of the Nth
21323 (LAST_ARG_REGNUM): New macro: The number of the last argument
21325 (SP_REGNUM): New macro: Register number of the stack pointer.
21326 (FP_REGNUM): New macro: Register number of the frame pointer.
21327 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
21328 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
21329 CUMULATIVE_ARGS so that it counts registers not bytes.
21331 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
21333 Replace uses of fprintf with asm_fprintf where appropriate.
21334 (output_ascii_pseudo_op): Replace with version from thumb.c
21336 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
21338 * config/arm/elf.h (CPP_PREDEFINES): Replace with
21339 SUBTARGET_CPP_SPEC.
21340 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
21341 (ASM_FILE_START): Emit ASM_APP_OFF.
21343 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
21345 * pa.c (compute_frame_size): Round frame according to
21346 STACK_BOUNDARY rather than a hardwired value.
21348 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
21350 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
21352 * configure: Rebuilt.
21354 * configure.in (hppa*-*-linux*): New configuration.
21355 * configure: Rebuilt.
21356 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
21357 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
21358 * pa/pa-linux.h: New file.
21359 * pa/t-linux: New file.
21360 * pa/xm-linux.h: New file.
21362 * pa.c (hppa_legitimize_address): Change references from SImode to
21363 either Pmode or word_mode as appropriate.
21364 (emit_move_sequence, store_reg, load_reg): Likewise.
21365 (set_reg_plus_d, hppa_expand_prologue): Likewise.
21366 (output_mul_insn): Likewise.
21367 * pa.h (PROMOTE_MODE): Likewise.
21368 (INITIALZE_TRAMPOLINE): Likewise.
21369 (Pmode): Define to word_mode.
21371 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
21372 value of 4. Allocate 8 bytes for each FP register save.
21373 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
21375 (hppa_expand_prologue): Likewise.
21376 * pa.h (PROMOTE_MODE): Likewise.
21377 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
21378 (FUNCTION_ARG_BOUNDARY): Likewise.
21380 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
21382 * pa.c (out_of_line_prologue_epilogue): Delete.
21383 (override_options): Remove -mspace related code.
21384 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
21385 (compute_frame_size): Only allocate space for register that
21386 actually need to be saved.
21387 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
21388 (TARGET_SWITCHES): Remove -mspace, -mno-space
21389 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
21390 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
21391 * pa/ee.asm, pa/ee_fp.asm: Delete.
21393 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
21395 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
21396 directive in column zero.
21398 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
21400 * m68k.c (output_function_prologue): Fix computation of save mask
21401 when generating PIC code.
21403 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
21405 * tree.c (build_type_attribute_variant): Move current_obstack restore
21406 after build_qualified_type call.
21408 1999-07-15 Mark Mitchell <mark@codesourcery.com>
21410 * configure.in: Use t-iris6, even with GNU LD.
21411 * config/mips/iris6gld.h: Fix typo in linker spec.
21412 * config/mips/t-iris6gld: Remove.
21414 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
21416 * rs6000.md (insv, extzv): Remove SImode dependence in named
21417 patterns. Explicitly generate DImode RTL if PowerPC64 and
21419 (insvdi): Reverse start and size in instruction template.
21421 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
21423 * invoke.texi: Typo fixes.
21425 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
21427 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
21428 handle at this time instead of silently generating incorrect code.
21429 (gen_imagpart): Likewise.
21431 * reload.c (find_reloads): Emit a USE for a pseudo register without
21432 a hard register if we could not create an optional reload for the
21435 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21437 * c-typeck.c (output_init_element, process_init_element):
21438 When advancing constructor_unfilled_fields for a RECORD_TYPE,
21439 check for nameless bit fields.
21441 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
21443 * regclass.c (scan_one_insn): Notice subregs that change the
21444 size of their operand.
21445 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
21447 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
21449 * configure.in (alpha*-*-*): Include alpha/t-ieee.
21450 * configure: Rebuilt.
21451 * alpha/t-ieee: New file.
21453 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
21455 * rs6000.c (find_addr_reg): Do not select r0 as an address
21458 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
21460 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
21462 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
21464 * rs6000.md (movsf): Do not force easy FP constants into memory.
21466 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
21467 immed_double_const to ensure they are properly truncated then
21470 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
21472 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
21473 always unless NO_DEBUG is used. Compile this code
21475 (replace_symbols_in_block): Compile it unconditionally.
21477 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
21479 * configure.in (i?86-*-elf*): New target.
21480 * configure: Rebuilt.
21481 * i386/i386elf.h, i386/t-i386elf: New files.
21483 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21485 * toplev.c (main): Don't complain about saying -gdwarf.
21486 (rest_of_compilation): Remove redundant code.
21488 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
21490 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
21492 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
21494 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
21495 "Li960R:", to avoid name clash.
21497 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21499 * loop.c (check_dbra_loop): When reversing a loop, delete all
21500 REG_EQUAL notes referencing the reversed biv except those which are
21501 for a giv based on it.
21503 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
21505 * version.c: Drop "gcc-" prefix from version #.
21507 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
21509 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
21510 the label if we're being verbose.
21512 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
21514 * m68k.c (output_function_prologue): Add pic register to mask
21515 if live and flag_pic.
21516 (output_function_epilogue): Likewise.
21518 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
21520 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
21521 directives in column zero.
21523 * pa/elf.h (ASM_FILE_START): Define.
21524 * pa/som.h (ASM_FILE_START): Include .level directives.
21525 * pa/hpux10.h (ASM_FILE_START): Delete.
21526 * pa/hpux11.h (ASM_FILE_START): Delete.
21528 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
21530 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21532 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
21533 when reload_out equals reload_in.
21535 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
21537 * invoke.texi (Spec Files): New node: Describe the contents of
21540 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
21542 * invoke.texi (DEC Alpha Options): Put @end table at
21543 beginning of line, to avoid confusing texi2html.
21545 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
21547 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
21548 introduced in previous delta.
21550 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21552 * reload1.c (gen_reload): When synthesizing a 3 operand add
21553 sequence, improve test for when to reload OP1 into the reload
21554 register instead of OP0.
21556 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
21558 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
21560 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
21562 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
21565 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
21567 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
21568 (va_dcl): Use __builtin_va_alist_t.
21570 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
21572 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
21573 on the permanent_obstack.
21574 * dwarfout.c (output_type): Likewise.
21576 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
21578 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21579 Merged from c-typeck.c and cp/typeck.c.
21580 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21581 Merged into c-common.
21583 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
21585 * c-lex.c (errorcount): Declare it.
21586 (finish_parse): Update errorcount when using CPPLIB.
21588 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
21590 * fixinc/inclhack.def(end_else_label): Double the backslash so
21591 sed gets a chance to see it.
21592 * fixinc/inclhack.sh: regen
21593 * fixinc/fixincl.x: regen
21595 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
21597 Add framework to support armv5 architecture when it becomes
21600 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
21601 (arm_arch5): New variable.
21602 (all_architectures): Add armv5 line.
21603 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
21604 -march=armv5 is specified on the command line.
21605 (arm_arch5): Export this variable.
21606 * invoke.texi: Document new string accepted by -march= switch for
21609 * config/arm/arm.h: Replace use of constant 12 as a register
21610 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
21611 * config/arm/arm.c: Replace use of constant 12 as a register
21612 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
21614 * config/arm/elf.h: Tidy up.
21615 * config/arm/coff.h: Tidy up.
21617 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
21619 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
21620 * gcc/config/mips/t-iris6gld: New file.
21621 * gcc/config/mips/iris6gld.h: Likewise.
21623 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
21625 * c-decl.c (widest_integer_literal_type_node,
21626 widest_unsigned_literal_type) : New.
21627 (init_decl_processing): Handle/use the two new types.
21628 * c-common.c (type_for_size,type_for_mode) : Same.
21629 * c-lex.c (yylex) : Same.
21630 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21632 * c-tree.h (widest_integer_literal_type_node,
21633 widest_unsigned_literal_type) : New.
21635 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
21637 * dwarfout.c (field_byte_offset): Correctly compute the object's
21638 byte offset for the first bit of a field which crosses an alignment
21639 boundary on a !BYTES_BIG_ENDIAN target.
21641 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
21643 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
21646 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
21647 Jeff Law <law@cygnus.com>
21649 * ginclude/varargs.h (va_dcl): Use word_mode for type of
21652 * except.c: Include intl.h.
21653 (expand_eh_return): Set current_function_cannot_inline.
21654 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
21655 * function.h (struct function): Add eh_return_stub_label.
21656 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
21657 * Makefile.in (except.o): Depend on intl.h.
21659 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
21661 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
21662 same as offsettable in cases 1 and 2.
21664 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
21666 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
21667 (extlh, extwh): Likewise.
21669 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
21671 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
21673 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
21675 * configure.in: Add arm-pe and thumb-pe targets.
21676 * configure: Regenerate.
21678 * thumb.c (arm_naked_function_p): New function: Determines if
21679 a function is naked (has no gcc generated prologue/epilogue).
21680 (is_called_in_ARM_mode): Return true if the func has the
21681 interfacearm attribute.
21682 (output_return): Do not generate a return for naked functions.
21683 (thumb_function_prologue): Do not generate a prologue for
21685 (thumb_expand_prologue): Do not generate a prologue for naked
21687 (thumb_expand_epilogue): Do not generate an epilogue for naked
21689 (arm_valid_machine_decl_attribute): New function, copied from
21690 arm.c: Permit naked and interfacearm attributes.
21692 * config/arm/pe.c: New file: Support code for arm-pe target.
21693 * config/arm/pe.h: New file: Header file for arm-pe target.
21694 * config/arm/tpe.h: New file: Header file for thumb-pe target.
21695 * config/arm/t-thumb-pe: New file: Makefile fragment for
21698 1999-07-01 Mark Kettenis <kettenis@gnu.org>
21700 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
21701 -fPIC or -fpic is specified.
21703 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
21705 * expr.c (emit_block_move): Use copy_to_mode_reg for
21706 !TARGET_MEM_FUNCTIONS case too.
21708 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
21710 * configure: Rebuilt.
21711 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
21712 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
21713 definitions made redundant by dbxelf.h inclusion. Delete
21714 lots of definitions related to assembly output that are
21715 specific to the SOM object format.
21716 * pa.c (output_function_prologue): Do not emit the function's
21718 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
21719 * pa-pro.h: Deleted.
21720 * som.h: New file with SOM specific definitions.
21721 * elf.h: New file with ELF specific definitions.
21723 * elfos.h (const_section): Output a tab before assembler directives.
21724 (ctors_section, dtors_section): Likewise.
21725 (ASM_OUTPUT_SECTION_NAME): Likewise.
21727 * pa/pa1.h: Delete unused file.
21729 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
21731 * configure.in (hppa*-hp-hpux11*): New configuration.
21732 * configure: Rebuilt.
21733 * pa/pa-hpux11.h: New file.
21734 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
21737 * mips.md (leasi, leadi): New patterns.
21739 * expr.c (emit_block_move): Properly handle case where one of the
21740 block move arguments has a queued increment or decrement.
21741 (clear_storage): Similarly. Fix formatting goof.
21743 1999-06-28 "David O'Brien" <obrien@NUXI.com>
21745 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
21746 semicolon from the BSD VA_LIST replacement expression.
21748 * fixinc/inclhack.sh: regen
21749 * fixinc/fixincl.x: regen
21751 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
21752 now use the fixincl program.
21754 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
21756 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
21757 case. Also make the PIC register call_used.
21759 * m68k.h (FINALIZE_PIC): Delete.
21760 * m68k.c (finalize_pic): Delete.
21762 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
21764 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
21767 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
21769 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
21771 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
21773 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
21775 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
21777 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
21779 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
21781 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
21783 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
21785 * rs6000.c (output_toc): Always use hex values for floating-point
21786 constants. Store single-precision values in upper-half of TOC
21787 entry in 64-bit mode.
21788 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
21789 to final constraints.
21790 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
21791 (fctiwz): Improve accuracy of RTL for pattern.
21793 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
21795 * expr.c (expand_expr): Allow RTL_EXPR's through the
21796 MAX_INTEGER_COMPUTATION_MODE checks.
21798 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
21800 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
21801 such that MASK_SUPPORT_ARCH is not negative.
21803 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
21805 * loop.c (verify_dominator): Properly handle ADDR_VEC and
21806 ADDR_DIFF_VEC insns that appear inside loops.
21808 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
21809 Jeff Law <law@cygnus.com>
21811 * rs6000.md (movdf_hardfloat32): Revert previous patch.
21812 Handle LO_SUM the same as offsettable in cases 1 and 2.
21813 * rs6000.c (find_addr_reg): Revert previous patch.
21815 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
21817 * system.h (strstr): New external function declaration.
21818 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
21819 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
21820 * config.in, configure: Rebuilt.
21822 1999-06-24 Tom Tromey <tromey@cygnus.com>
21824 * gcc.c (main): Read user-specified specs files after computing
21825 additional startfile_prefixes.
21827 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
21829 Revert these two patches:
21831 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21832 * loop.c (strength_reduce): When doing biv->giv conversion, update
21833 reg note of NEXT->insn.
21835 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21836 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21838 (recombine_givs): Set ix field after sorting.
21840 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21842 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
21843 for the parts of an UNSPEC / UNSPEC_VOLATILE.
21845 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
21847 *fixinc/inclhack.def: Add fix development commentary
21848 (read_ret_type): reactivate and add selection clause
21849 (zzz_*): tweak output file name to match what is used in hackshell.tpl
21850 *fixinc/{fixincl.x|inclhack.sh}: regen
21852 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
21854 * expr.c (expand_expr): STRIP_NOPS before checking against
21855 MAX_INTEGER_COMPUTATION_MODE
21856 (check_max_integer_computation_mode): Likewise.
21858 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
21860 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
21862 1999-06-22 Jim Wilson <wilson@cygnus.com>
21864 * expr.c (store_expr): When target is a promoted subreg, return a
21865 promoted subreg as a result.
21867 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
21869 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
21871 (dwarf2out_define): Mark unused parameters appropriately.
21872 (gen_unspecified_parameters_die): Ditto.
21873 (gen_subprogram_die): Fix signed/unsigned warnings.
21874 (gen_variable_die): Ditto.
21876 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
21878 * fixinc/inclhack.def(end_else_label): combined else_label
21879 and endif_label and fixed the sed expression.
21880 *fixinc/{fixincl.x|inclhack.sh}: regen
21882 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
21884 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
21885 'x' when handling non-offsettable addresses
21887 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
21889 * final.c (shorten_branches): Don't try to split an insn that has
21892 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
21894 * config/mips/mips.c (symbolic_expression_p): New function.
21895 (mips_select_rtx_section): Put symbolic expressions in the
21896 data section, not the read-only data section.
21898 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
21900 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
21902 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
21904 * collect2.c (main): Log frame table count.
21905 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
21906 (scan_prog_file) [COFF]: Handle frame tables.
21908 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
21909 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
21910 * alpha/elf.h: Undef them again.
21911 * alpha/vms.h: Remove their definitions.
21913 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21915 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
21916 remove the clobber of r0 and change the REG_UNUSED note to
21919 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
21921 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
21922 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
21923 fits in HOST_WIDE_INT and one uses union to access a long constant
21926 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
21928 * sparc.c (sparc_override_options): Don't allow profiling for
21929 code models other than medlow.
21930 (sparc_function_profiler): New function from old FUNCTION_PROFILER
21931 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
21932 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
21933 (sparc_block_profiler): Likewise.
21934 (sparc_function_block_profiler_exit): Likewise.
21935 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
21936 (FUNCTION_BLOCK_PROFILER): Likewise.
21937 (BLOCK_PROFILER): Likewise.
21938 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
21939 (MCOUNT_FUNCTION): New.
21940 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
21941 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
21942 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
21943 (MCOUNT_FUNCTION): New.
21944 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
21945 (BLOCK_PROFILER): Delete.
21946 (MCOUNT_FUNCTION): New.
21948 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
21950 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
21952 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
21954 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21957 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21960 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21963 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21966 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
21968 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
21971 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
21973 * i386/djgpp.h (LIB_SPEC): New.
21974 (STARTFILE_SPEC): New.
21976 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
21978 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
21980 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
21983 * system.h (WSTOPSIG): New macro.
21985 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
21987 * c-pragma.c (push_alignment): Don't ignore alignments greater than
21989 (insert_pack_attributes): Take into account member natural
21992 * i386/winnt.c (exports_head): New static variable.
21993 (i386_pe_record_exported_symbol): New function.
21994 (i386_pe_asm_file_end): Use.
21995 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
21996 symbols to be emitted at end of assembly.
21997 (ASM_DECLARE_OBJECT_NAME): Likewise.
21998 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22000 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
22003 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
22005 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
22008 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
22010 * haifa-sched.c (sched_analyze_1): Use free_list instead of
22011 zapping reg_last_uses directly.
22012 (sched_analyze_2, sched_analyze_insn): Likewise.
22013 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
22015 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
22017 * rs6000.md (movdf_hardfloat32): Use worst case insn length
22018 attributes for cases 1 and 2.
22020 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
22022 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
22025 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
22027 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
22029 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
22031 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
22032 PIC_OFFSET_TABLE_REGNUM for general alloaction.
22033 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
22034 must be stacked if it is used for PIC accesses.
22035 * arm.c (use_return_insn): Handle PIC register specially.
22036 (output_return_instruction): Likewise.
22037 (output_func_{prologue,epilogue}): Likewise.
22038 (output_expand_prologue): Likewise.
22040 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
22041 (*strsi_predec): Renamed from *strqi_predec.
22042 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
22043 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
22045 * arm.c (arm_override_options): Remove warning about PIC code
22046 not being supported.
22048 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
22050 * rs6000.c (find_addr_reg): New function.
22051 * rs6000.h (find_addr_reg): Declare.
22052 (offsettable_addr_operand): Delete.
22053 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
22054 from and stores to GPRs.
22056 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
22058 * alpha.c (alpha_expand_block_move): Use get_insns rather than
22059 gen_sequence as argument to emit_no_conflict_block.
22061 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22063 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
22064 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
22065 *fixinc/fixincl.x: regen
22066 *fixinc/inclhack.sh: regen
22068 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
22070 * added support for -mpcrel (PC relative addressing for m68k)
22071 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
22072 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
22073 * m68k.c (print_operand_address): Handle 32-bit PIC case.
22074 (comments for general_src_operand): Add some explanation
22075 about EXTRA_CONSTRAINTS.
22076 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
22077 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
22078 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
22079 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
22080 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
22081 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
22082 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
22083 if not already set.
22084 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
22085 * m68k.h (TARGET_PCREL): New target flag.
22086 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
22087 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
22088 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
22089 contains a SYMBOL_REF. Relax this constraint during reload, since
22090 we want to use the predicates, not reload's built-in concept of a
22091 valid memory address, to control what insns need reloading.
22092 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
22093 operands (essentially 'g', 'm', and 's' under normal circumstances).
22094 * m68k.c (print_operand): Cause printing of pc-relative addresses
22095 to include pc register.
22096 (print_operand_address): Ditto.
22097 (general_src_operand): Accept operands that are not only
22098 general_operands, but are also valid when used as a pc-relative
22100 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
22101 (memory_src_operand): Similar, for memory_operands.
22102 (pcrel_address): New predicate to accept the special case of a
22103 pc-relative address.
22104 * m68k.md (many patterns): Rewrite common SImode, HImode, and
22105 QImode insns to accept *_src_operand instead of *_operand where
22106 pc-relative operands can fit. For example, a pc-relative operand
22107 can be used as a memory source operand for addsi3, but not as a
22108 memory destination.
22109 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
22111 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
22113 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
22114 .thumb_set pseudo op to mark aliases of thumb functions.
22116 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
22118 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
22119 preference to ASM_OUTPUT_DEF, if it is defined.
22121 * tm.texi: Document new, optional target macro
22122 ASM_OUTPUT_DEF_FROM_DECLS.
22124 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22126 * fixincludes: ISCNTL patch
22127 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
22128 (dgux_int_varargs): new for DG/UX
22129 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
22131 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
22133 * invoke.texi (ia32 options): Fix typo.
22135 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22137 * loop.c (strength_reduce): When doing biv->giv conversion, update
22138 reg note of NEXT->insn.
22140 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
22142 * loop.c (move_movables): Note issues with replacing REGs with
22144 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
22146 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
22148 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
22150 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
22151 the reference to `mcount' was not correct for the ELF on FreeBSD.
22153 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22155 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22158 (recombine_givs): Set ix field after sorting.
22160 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
22162 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
22163 to safe to extract a subword out of a REG.
22165 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22167 * sh.md (mulsi3): Don't add a no-op move at the end.
22169 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22171 * cse.c (cse_insn): Don't put hard register source into tables for
22172 the last insn of a libcall.
22174 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22176 * loop.c (strength_reduce): Insert sets of derived givs at every
22177 biv increment, even if it's the only one.
22179 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22181 * dwarfout.c (add_incomplete_type): New fn.
22182 (output_type): Call it.
22183 (retry_incomplete_types): New fn.
22184 (dwarfout_finish): Call it.
22186 From Eric Raskin <ehr@listworks.com>:
22187 (output_type): Output types for bases.
22189 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22191 * mips.c (mips_output_conditional_branch): Add `break'
22192 between `default' label and `close braces'.
22194 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
22196 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
22197 specifications and make it realistic.
22198 (LIB_SPEC): Likewise.
22200 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
22202 * config/mips/mips.c (mips_secondary_reload_class): Check for
22203 (PLUS (SP) (REG)) and return appropriate register class.
22204 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
22205 Handle (PLUS (SP) (REG)).
22206 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
22207 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
22208 of emit_insn for tablejump.
22210 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
22212 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
22213 asm_fprintf format string by itself.
22214 (output_function_profiler): Likewise.
22216 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
22218 * combine.c (simplify_logical, case AND): Only call
22219 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
22220 or the constant is positive.
22222 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
22224 * configure.in: Fix typo in rs6000-ibm-aix4 case.
22225 * configure: Regenerate.
22227 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
22229 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
22230 require a sub-version #.
22231 * configure: Rebuilt.
22233 1999-06-14 Robert Lipe (robertlipe@usa.net)
22235 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
22237 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
22239 * c-typeck.c (process_init_element): Detect excess elements in
22240 char array initializer.
22242 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22244 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
22246 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22248 * invoke.texi (Option Summary): Add -fpermissive flag.
22250 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
22252 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
22253 that require PIC code sequences.
22255 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
22257 * configure.in: Add new target: thumb-elf.
22258 * configure: Regenerate.
22259 * config/arm/t-thumb-elf: New file: Makefile fragment for
22261 * config/arm/telf.h: New file: Header file for thumb-elf
22264 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
22266 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
22267 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
22268 initializers is some circumstances.
22270 * fixinc/inclhack.def (endif_label): Add additional selector for
22271 more bogus stuff after #endif statements.
22272 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
22274 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
22276 * i386/cygwin.h (SET_ASM_OP): Define.
22278 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
22280 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
22282 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22284 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
22287 * sh.md (ic_invalidate_line_i): Remove second alternative.
22289 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22291 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
22292 test for the presence of valid prototypes. Delete bypass expr.
22293 (ioctl_fix_ctrl): Correct the selection expression.
22294 (no_double_slash): Correct quoting rules
22295 *fixinc/fixincl.x: regen
22296 *fixinc/inclhack.sh: regen
22298 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
22300 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
22302 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22304 * rs6000.md (movsi_got_internal_mem): Delete.
22305 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
22306 (GOT_TOC_REGNUM): Delete.
22307 (PIC_OFFSET_TABLE_REGNUM): Define.
22308 (FINALIZE_PIC): Disable.
22309 * rs6000.c (rs6000_got_register): New code for fixed pic register.
22310 (rs6000_replace_regno): Delete.
22311 (rs6000_finalize_pic): Likewise.
22312 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
22314 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22316 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
22317 is a note; use <= for the compare; advance P while it is
22320 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
22322 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
22323 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
22325 * varasm.c (remove_from_pending_weak_list): Verify t->name
22326 is non-NULL before passing it to strcmp.
22328 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22330 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
22331 the typed arguments are not part of a comment
22332 (ioctl_fix_ctrl): Added a purpose comment
22333 *fixinc/fixincl.x: regenerate
22334 *fixinc/inclhack.sh: regenerate
22336 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22338 * invoke.texi: Add C4x invocation docs.
22340 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22342 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
22344 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
22346 (c4x_legitimize_reload_address): New function.
22347 * config/c4x/c4x.md: Update docs.
22349 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
22351 * fixincludes: Avoid removing '.'.
22352 * fixinc/fixinc.svr4: Likewise.
22353 * fixinc/fixinc.winnt: Likewise.
22354 * fixinc/inclhack.tpl: Likewise.
22355 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
22357 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22359 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
22361 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
22363 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
22365 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
22368 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
22370 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
22371 * configure: Regenerate.
22373 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
22375 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
22378 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
22380 * fixinc/inclhack.def (avoid_bool): Also catch
22381 "typedef [unsigned] int bool".
22382 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22384 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
22385 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
22386 * configure: Rebuilt.
22388 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
22390 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
22391 such that we can override its definitions if necessary.
22392 (CPP_SPEC): New define. Support processor specific predefines via
22394 (CC1_SPEC): New define. Support processor specific compiler
22395 options via %(cc1_cpu).
22396 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
22399 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22401 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
22402 between sed's -e flag, and the open-quote following it.
22403 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22405 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
22406 Jeffrey A Law (law@cygnus.com)
22408 * varasm.c (assemble_start_function): Remove the function
22409 from the pending weak decls list when we define a function.
22410 (assemble_variable): Similarly for variables.
22411 (weak_finish): Ignore items on the list with a NULL name.
22412 (remove_from_ending_weak_list); New function to "remove" an item
22413 from the pending weak declarations list.
22415 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22417 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
22419 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
22421 * c-lex.c (GETC): Redefine to call getch.
22422 (UNGETC): Redefine to call put_back.
22423 (putback_buffer): New structure type.
22424 (putback): New static structure.
22425 (getch): New function.
22426 (put_back): New function.
22427 (yylex): Replace unused bytes from bad multibyte character.
22429 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
22431 * cpplib.c (do_define): Cast `alloca' return value.
22432 (do_include, do_undef, do_pragma): Likewise.
22433 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
22435 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
22436 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
22438 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
22440 * sparc.md (abstf2): This should be an expand.
22441 (split after abstf2_notv9): Fix mode.
22442 (abstf2_hq_v9): New pattern.
22443 (abstf2_v9): Only use when no hard quad.
22444 (absdf2_v9): Fix if target is not the same as source.
22445 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
22446 Add correct output constraints.
22448 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
22450 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
22451 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
22453 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
22455 * mips.h (mips_output_conditional_branch): New function.
22456 (mips_adjust_insn_length): Likewise.
22457 (ASSEMBLER_SCRATCH_REGNUM): New macro.
22458 (ADJUST_INSN_LENGTH): Likewise.
22459 * mips.c (print_operand): Add `F' and `W' for floating-point
22460 comparison opcodes.
22461 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
22463 (mips_adjust_insn_length): New function.
22464 (mips_output_conditional_branch): New function.
22465 * mips.md (length): Adjust attribute definition to handle
22466 conditional branches. Change lengths to bytes, rather than
22467 instructions throughout. Remove length attribute from
22468 instructions whose length is four bytes, and rely on the default
22470 (dslot): Fix typo in comment.
22471 Reword conditional branch patterns to use
22472 mips_output_conditional_branch.
22474 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
22476 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
22477 (LIB_SPEC): Likewise.
22478 Link with -lprof1_r for -g/-pg.
22480 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22482 * loop.c (check_dbra_loop): Fix change of Jan 19.
22484 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
22486 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
22487 (STARTFILE_SPEC): Define, override the svr4.h version.
22488 (ENDFILE_SPEC): Likewise.
22490 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
22492 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
22493 * fixinc/fixincl.x: Regenerated.
22494 * fixinc/inclhack.sh: Regenerated.
22496 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22498 * sh.c (barrier_align): Don't return early for normal branch/barrier
22499 when optimizing for SH2.
22501 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
22503 * i386/udk.h (LINK_SPEC): Correct linker search path for
22506 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22508 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
22509 (braf_label_ref_operand): Delete.
22510 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
22511 * sh.md (casesi_jump_2): Operand1 is now the inside of a
22512 label_ref, and has no predicate.
22513 The patten has a predicate to guard against invalid substitutions.
22514 (dummy_jump): Delete.
22515 (casesi): Update use of casesi_jump_2.
22517 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22519 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
22520 *fixinc/fixincl.x: regenerate
22521 *fixinc/inclhack.sh: regenerate
22523 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
22525 * dwarf2out.c (add_incomplete_type): New fn.
22526 (gen_struct_or_union_type_die): Call it.
22527 (retry_incomplete_types): New fn.
22528 (dwarf2out_finish): Call it.
22530 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
22532 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
22533 current block starts with a CODE_LABEL and ends with a CALL and
22534 we can not find all the argument setup instructions for the CALL.
22536 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
22538 Revert this change:
22539 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
22540 something is a candidate for optimize_bit_field_compare.
22542 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22544 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
22546 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
22548 * alpha.c (override_options): Thinko in last patch.
22550 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
22551 (LIB_SPEC): Recognize -pthread.
22553 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
22555 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
22556 definition in config/arm/coff.h
22557 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
22559 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22561 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
22562 fixes that need "file=xxx\n" prepended before invocation
22563 (start_fixer - new): starting the fixer process is complex enough
22564 to warrent its own routine. It prepends the "file=xxx\n" stuff.
22565 (process): uses the new routine; omit usage of putenv()
22566 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
22567 * fixinc/fixincl.x: regenerate
22569 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
22571 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
22572 and version #s (1.1 -> 2.96) as needed.
22573 * README.g77: Kill way out of date file in the toplevel directory.
22575 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
22577 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
22578 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
22579 * configure: Rebuilt.
22580 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
22581 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
22582 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
22583 (SWITCH_TAKES_ARG): Likewise.
22584 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
22585 * config/t-freebsd: Moved from config/i386/ so it can used for all
22588 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
22590 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
22592 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
22594 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
22595 * configure: Rebuilt.
22597 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
22599 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
22600 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
22601 * rs6000/rs6000.c (rs6000_file_start): Use putc.
22602 (rs6000_output_load_toc_table): Same.
22603 (output_prolog, output_mi_thunk): Same.
22604 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
22605 (ASM_GLOBALIZE_LABEL): Use putc.
22607 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
22609 * alpha.md (reload_*_help): New patterns and splitters.
22610 (reload_*): Use them.
22611 (mov[qh]i): Likewise.
22613 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
22615 * cccp.c (handle_directive): Handle backslash-newlines in quoted
22618 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
22620 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
22622 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
22624 * flow.c (mark_regs_live_at_end, insn_dead_p,
22625 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
22626 and HARD_FRAME_POINTER_REGNUM special treatment if reload
22627 hasn't run or the frame pointer is needed.
22628 * haifa-sched.c (attach_deaths): Likewise.
22629 * sched.c (attach_deaths): Likewise.
22631 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
22633 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
22634 calculate_can_reach_end returns nonzero.
22636 * configure.in (native gas tests): Search for an assembler in the
22637 same manner that the installed compiler will.
22638 * configure: Rebuilt.
22639 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
22641 * alias.c (find_base_term): Improve handling of addresses
22642 constructed from binary operations.
22644 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
22646 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
22648 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
22650 * function.h (cleanup_label, frame_offset): Declare.
22651 (tail_recursion_label, tail_recursion_reentry): Likewise.
22652 (arg_pointer_save_area, rtl_expr_chain): Likewise.
22653 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
22654 (tail_recursion_label, tail_recursion_reentry): Likewise.
22655 (arg_pointer_save_area, rtl_expr_chain): Likewise.
22657 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
22659 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
22661 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
22662 (MAX_OFILE_ALIGNMENT): Define.
22664 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
22666 * fixincl.c: Replace local include scheme with #includes of
22667 gansidecl.h and system.h.
22668 * procopen.c: Likewise.
22669 * server.c: Likewise.
22671 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
22673 * i386/t-dgux (EXTRA_PARTS): Add crti.o
22674 (crti.o): Add build rule and dependencies.
22675 * fixinc/fixinc.dgux: Use modified _int_varargs.h
22677 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22679 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
22680 (LIB_LINUX_SPEC): Likewise.
22681 (LIB_LINUX_SPEC): Add support for -pthread
22682 (CPP_OS_LINUX_SPEC): Likewise.
22683 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
22686 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
22688 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
22690 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
22691 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
22692 for IEEE math and CC_FCOMI.
22693 (put_jump_code): No IEEE if CC_FCOMI is set.
22695 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22697 * fold-const.c (fold_truthop): Make the field reference unsigned
22698 when converting a single bit compare.
22700 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22702 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
22704 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
22706 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
22707 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
22710 * reload.c (push_reload): Do not call remove_address_replacements
22711 when presented with identical optional reloads.
22713 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
22715 * alpha.h (MASK_FIX, TARGET_FIX): New.
22716 (MASK_*): Reorganize constants.
22717 (CPP_AM_FIX_SPEC): New.
22718 (TARGET_SWITCHES): Add FIX.
22719 (EXTRA_SPECS): Likewise.
22720 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
22721 (SECONDARY_MEMORY_NEEDED): Likewise.
22722 (REGISTER_MOVE_COST): Likewise.
22723 * alpha.c (override_options): Add FIX support. Always use
22724 ALPHA_TP_PROG for ev6.
22725 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
22726 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
22727 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
22729 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
22731 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
22732 something is a candidate for optimize_bit_field_compare.
22734 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
22736 * gcc.texi (Passes): Document branch-shortening.
22737 * invoke.texi (Debugging Options): Document the fact that `-dp'
22738 outputs length information for instructions.
22740 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
22742 * flow.c: Revert previous delta.
22744 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
22746 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
22747 FRAME_POINTER_REGNUM.
22748 (mark_set_1): Ditto.
22749 (mark_used_regs): Ditto.
22751 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
22753 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
22754 (GOT_PCREL): New macro. Define to 1 if not already defined.
22755 * arm/elf.h (GOT_PCREL): Define to 0.
22756 * arm.c (arm_finalize_pic): Take into account the setting of
22759 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
22761 * output.h (STRIP_NAME_ENCODING): Provide default definition.
22762 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
22764 * flow.c (mark_set_1): Do not record BLKmode stores as dead
22765 store elimination candidates.
22767 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
22769 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
22772 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
22774 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
22775 Add use of x-aix41-gld.
22777 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
22779 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
22780 (ASM_OUTPUT_DESTRUCTOR): Define.
22782 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
22784 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
22785 last CODE_LABEL in a loop if we have previously passed a jump
22786 to the top of the loop.
22788 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
22790 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
22791 applying Philip's patch.
22793 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
22795 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
22798 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
22800 * loop.c (strength_reduce): Grow reg_single_usage as needed.
22802 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
22804 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
22805 Also remove a useless comment.
22807 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22809 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
22811 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
22813 * collect2.c (main): Only generate import or export file and add
22814 to link arguments if non-empty. Use xmalloc not alloca.
22815 (write_{export,import}_file): Delete.
22816 (write_aix_file): New function.
22817 (locatelib): Use xmalloc not malloc.
22818 (GCC_OK_SYMBOL): Do not check type if aix64.
22820 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
22822 Based on patch by Scott Bambrough and Pat Beirne:
22823 * config/arm/arm.c (making_const_table): New variable.
22824 * config/arm/arm.h (making_const_table): Declare.
22825 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
22827 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
22828 Keep track of when we are building the constant table.
22830 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
22832 * config/arm/arm.c (arm_override_options): Fix erroneous warning
22835 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
22837 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
22840 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
22842 * tm.texi (FUNCTION_ARG): Correct description of a stack element
22845 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
22847 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
22849 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22851 * rs6000.c (output_mi_thunk): Enable full support again.
22853 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22855 * sh.h (BRANCH_COST): Define.
22857 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
22859 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
22861 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
22863 * function.c (assign_stack_local): Align stack slot propertly.
22864 (assign_outer_stack_local): Likewise.
22866 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
22868 * expr.h (lang_expand_constant): Declare.
22869 * toplev.c (lang_expand_constant): Define it.
22870 * varasm.c (output_constant): Use it.
22872 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22874 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
22875 Change function definitions to K&R style.
22877 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22879 * fixinc/fixincl.c: We must not ignore SIGCLD now.
22881 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
22883 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
22884 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
22885 (several places): omit static initialization
22886 (process): use single fd, since only the read fd is used
22887 * fixinc/gnu-regex.c: define 'const' away, if not supported
22888 * fixinc/procopen.c(several places): omit static initialization
22889 * fixinc/server.c: define 'volitile' away, if not supported
22891 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22893 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
22894 asm_fprintf and %L to generate the label name.
22895 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
22896 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
22898 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
22900 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
22901 insn for a conditional jump can not be found.
22903 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
22905 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
22906 on variables in specific sections other than .sbss and .sdata.
22908 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
22910 * stmt.c (expand_return): Call start_cleanup_deferral and
22911 end_cleanup_deferral around conditional code.
22913 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22915 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
22916 filename lists. Utilizes new "krstr" AutoGen function.
22917 * fixinc/fixincl.x: Rebuilt.
22919 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
22921 * i386.c (output_float_compare): Avoid GNU-C extensions.
22923 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
22925 * version.c: Bump to distinguish mainline tree from the
22928 See ChangeLog.1 for earlier changes.