1 2000-04-05 Alex Samuel <samuel@codesourcery.com>
3 * rtl.h (INSN_P): New macro.
4 (successor_phi_fn): New typedef.
5 (for_each_successor_phi): New prototype.
6 (in_ssa_form): New variable.
7 (PHI_NODE_P): Likewise.
8 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9 phi nodes in successors.
10 (mark_used_regs): Add PHI case.
11 (set_phi_alternative_reg): New function.
12 (life_analysis): Assert that dead code elimination is not selected
14 * toplev.c (to_ssa_time): New variable.
15 (from_ssa_time): Likewise.
16 (compile_file): Zero to_ssa_time and from_ssa_time.
17 Print time to convert to and from SSA.
18 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
19 (print_time): Compute percent fraction as integer.
20 * ssa.c (PHI_NODE_P): Moved to rtl.h.
21 (convert_to_ssa): Check if we're already in SSA.
22 Don't eliminate dead code in life_analysis.
23 Rerun flow and life analysis at bottom.
24 (eliminate_phi): Use canonical regnos when adding nodes.
25 (mark_reg_in_phi): New function.
26 (mark_phi_and_copy_regs): Likewise.
27 (convert_from_ssa): Rerun life analysis at top.
28 Use coalesced partition.
29 Check for removing a phi node at the end of the block.
30 (compute_coalesced_reg_partition): New function.
31 (coalesce_regs_in_copies): Likewise.
32 (coalesce_reg_in_phi): Likewise.
33 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
34 (for_each_successor_phi): Likewise.
35 (rename_context): New struct.
36 (rename_block): Use a rename_context with rename_insn_1. When
37 renaming sets of a subreg, emit a copy of the entire reg first.
38 (rename_insn_1): Treat data as a rename_context *. Save current
40 (rename_set_data): Add field set_insn.
41 * Makefile.in (HASHTAB_H): Move up in file.
42 (OBSTACK_H): New macro.
43 (collect2.o): Use OBSTACK_H in dependencies.
45 (emit-rtl.o): Likewise.
46 (simplify-rtx.o): Likewise.
47 (fix-header.o): Likewise.
48 (OBJS): Add conflict.o.
49 (conflict.o): New rule.
50 * basic-block.h: Include partition.h.
51 (conflict_graph): New typedef.
52 (conflict_graph_enum_fn): Likewise.
53 (conflict_graph_new): New prototype.
54 (conflict_graph_delete): Likewise.
55 (conflict_graph_add): Likewise.
56 (conflict_graph_conflict_p): Likewise.
57 (conflict_graph_enum): Likewise.
58 (conflict_graph_merge_regs): Likewise.
59 (conflict_graph_print): Likewise.
60 (conflict_graph_compute): Likewise.
61 * conflict.c: New file.
63 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
65 * tlink.c (read_repo_files): Don't look for .rpo info for
68 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
70 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
72 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
74 * config/sh/lib1funcs.asm (___udivsi3_i4):
75 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
76 only depends on FMOVD_WORKS.
78 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
80 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
81 make double constant 8-byte aligned.
83 2000-04-06 Jakub Jelinek <jakub@redhat.com>
85 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
86 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
87 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
88 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
89 Accept storing GENERAL_REGS into offsetable memory.
90 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
91 building a TFmode constant other than 0.0L into GENERAL_REGS.
93 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
95 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
97 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
99 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
100 (macro_cleanup): No need to cast pbuf->macro.
101 (collect_expansion): Use _cpp_get_define_token. Goto done if
102 it returns VSPACE. Remove check for trailing space after
104 (_cpp_create_definition): Don't diddle flags here. Return
106 (unsafe_chars): Handle c1 being EOF.
107 (push_macro_expansion): Use unsafe_chars for both accidental-paste
108 checks. Don't push the buffer till after we're done with
110 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
111 (PEEKN, FORWARD, GETC, PEEKC): Use them.
112 (cpp_push_buffer): Don't set new->alimit. Set new->mark
114 (_cpp_parse_assertion): Don't NUL terminate.
115 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
116 hspace before calling _cpp_parse_assertion. Remove all sets
117 of only_seen_white. Treat '\f' as hspace. Don't do anything
118 special with '\n' here.
119 (maybe_macroexpand): Handle T_EMPTY hash entries without
120 pushing a buffer at all.
121 (cpp_get_token): Handle clearing only_seen_white here. Handle
122 incrementing the line number here. Clear
123 potential_control_macro as well as only_seen_white, if
125 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
126 (_cpp_get_define_token): New function, basically like
127 _cpp_get_directive_token was but doesn't eat horizontal space.
128 Don't do anything with only_seen_white here.
129 (_cpp_get_directive_token): Just call _cpp_get_define_token
130 repeatedly till it returns non-hspace.
132 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
133 (conditional_skip, skip_if_group): Return int.
134 (DIRECTIVE_TABLE): Change origin of all conditional directives
136 (TRAD_DIRECT_P): New macro.
137 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
138 an error for a bogus directive, unless -lang-asm. Use
139 TRAD_DIRECT_P. Loop calling handler functions till one returns
141 (get_macro_name): Don't diddle flags here.
142 (do_define): Diddle flags here. Use _cpp_get_directive_token.
143 Create T_EMPTY nodes for #define macro /* nothing */.
144 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
145 Use hp->name when calling pass_thru_directive.
146 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
147 Return the result of conditional_skip and/or skip_if_group.
148 Don't call _cpp_output_line_command.
149 (consider_directive_while_skipping): Use _cpp_get_directive_token.
150 Issue -Wtraditional warnings as appropriate. Don't complain
151 about unrecognized directives. If we are to stop skipping,
152 return the number of the directive that ended the skip.
153 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
154 expansion and line commands while skipping. Return the result
155 of consider_directive_while_skipping, if nonzero.
156 (do_endif): Just set potential_control_macro here.
157 (validate_else): Use _cpp_get_directive_token.
158 (do_assert, do_unassert): Don't save pointers into the
159 token_buffer across calls to the lexer. Use
160 _cpp_get_directive_token.
162 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
163 pointer, not an offset. Replace 'data', which was a generic
164 pointer, with 'macro', which points to a struct hashnode.
165 (cpp_reader): Add 'potential_control_macro' pointer.
166 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
167 (CPP_BUF_GET, CPP_FORWARD): Delete.
168 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
169 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
170 ACTIVE_MARK_P): Update.
171 (_cpp_get_define_token): New internal function.
172 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
174 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
176 * configure.in: And here.
177 * configure: Regenerate.
178 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
179 --enable-libstdcxx-v3 is passed at configure time.
180 * config.h.in: Regenerate.
182 2000-04-05 Mark Mitchell <mark@codesourcery.com>
184 * final.c (final): Use xcalloc to allocate line_note_exists.
185 * function.c (free_after_compilation): Free the temp_slots.
186 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
187 (combine_temp_slot): Free temp_slots when they get combined.
188 (purge_addressof): Fix typo in comment.
189 * stmt.c (mark_goto_fixup): Mark the fixup itself.
190 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
192 * ggc.h: Include varray.h.
193 (ggc_pending_trees): Declare.
194 (ggc_mark_tree_children): Remove declaration.
195 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
196 * ggc-common.c (ggc_pending_trees): New variable.
197 (ggc_mark_roots): Call ggc_mark_trees.
198 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
199 the ggc_pending_trees.
200 * Makefile.in (GGC_H): New variable. Use it throughout in place
203 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
205 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
208 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
210 * sh.c (sh_insn_length_adjustment): New function.
211 * sh-protos.h (sh_insn_length_adjustment): Declare.
212 * sh.h (ADJUST_INSN_LENGTH): Use it.
214 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
216 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
217 from the insn where REG_RETVAL is added.
218 (emit_no_conflict_block): Ditto.
220 * md.texi (Standard Names): Clarify when movX is needed.
222 * combine.c (simplify_comparison) [MINUS]: Do not replace
223 all (op (minus A B) 0) with (op A B).
225 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
226 J"orn Rennecke <amylaar@cygnus.co.uk>
228 * sh.c (block_lump_real_i4): Add missing clobber of T_REG
229 (block_lump_real): Likewise.
231 2000-04-05 Chris Demetriou <cgd@netbsd.org>
233 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
234 remaining non-zero debugging masks.
236 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
238 * basic-block.h (verify_flow_info): Declare.
239 (flow_loop_outside_edge_p): Declare.
240 * flow.c (verify_flow_info): Remove declaration.
241 (clear_log_links, flow_loop_outside_edge_p): Likewise.
243 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
245 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
248 2000-04-05 Jakub Jelinek <jakub@redhat.com>
250 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
251 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
252 seqdi_zero_trunc+1): Allow splits only if registers are
255 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
257 * acconfig.h: Add HAVE_GAS_HIDDEN.
258 * config.in: Regenerated.
259 * configure.in: Add test for .hidden pseudo-op in gas.
260 * configure: Regenerated.
261 * crtstuff.c: Include auto-host.h.
262 Emit additional .hidden pseudo-op for __dso_handle if the
263 assembler knows about it.
265 2000-04-04 Philippe De Muyter <phdm@macqel.be>
267 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
268 before freeing argnames.
269 * cpplib.c (do_ifndef): Cast return value of xstrdup.
271 2000-04-05 Michael Meissner <meissner@redhat.com>
273 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
274 Walton <jonboy@gordian.com> to make memory references with update
275 work wtih -mregnames.
277 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
279 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
280 (regrename_optimize): Rename variables `def_uses' and
281 `ext_basic_blocks' to avoid conflicts with similarly named
282 typedefs in traditional C.
284 * calls.c (initialize_argument_information): Fix typo in previous
287 2000-04-04 Richard Henderson <rth@cygnus.com>
289 * regrename.c (consider_available): Test fixed_regs not
290 PIC_OFFSET_TABLE_REGNUM.
292 2000-04-04 Geoff Keating <geoffk@cygnus.com>
294 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
296 (CRTSTUFF_T_CFLAGS_S): Delete definition.
297 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
298 (ENDFILE_LINUX_SPEC): Always use crtend.
299 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
300 (powerpc-*-linux-gnu): Likewise.
301 * configure: Regenerate.
303 * config/rs6000/eabi.h: Don't include sysv4.h.
304 (MULTILIB_DEFAULTS): Don't define.
305 * config/rs6000/eabiaix.h: Don't include eabi.h.
306 * config/rs6000/eabile.h: Delete.
307 * config/rs6000/eabilesim.h: Delete.
308 * config/rs6000/eabisim.h: Don't include eabi.h.
309 * config/rs6000/linux.h: Don't include sysv4.h.
310 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
311 (MULTILIB_DEFAULTS): Don't redefine.
312 * config/rs6000/rtems.h: Don't include eabi.h.
313 * config/rs6000/sol2.h: Don't include sysv4le.h.
314 * config/rs6000/sysv4le.h: Don't include sysv4.h.
315 * config/rs6000/t-ppc: Delete.
316 * config/rs6000/t-ppcgas: Correct comment.
317 * config/rs6000/t-ppcos: Correct comment. Don't build
318 multilibs for -fPIC, rather use -fPIC -mstrict-align
320 * config/rs6000/t-ppc: Delete.
321 * config/rs6000/vxppc.h: Don't include sysv4.h.
322 * config/rs6000/vxppcle.h: Delete.
323 * configure.in: Use multiple header files for p2pc ELF targets
324 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
325 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
326 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
327 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
328 always available for these platforms.
330 2000-04-04 Richard Henderson <rth@cygnus.com>
332 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
334 2000-04-04 Stan Cox <scox@cygnus.com>
336 * Makefile.in: Add rules for regrename.o
337 * regrename.c: New file.
338 * rtl.h (regrename_optimize): Add prototype.
339 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
340 (compile_file, decode_d_option): Add support for -frename-registers.
341 (rest_of_compilation): Call regrename_optimize.
342 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
345 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
347 * Makefile (gccbug): New target.
349 * gcc.texi (Bugs): Link subnodes.
351 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
352 Document severities, priorities, and classes in bug form.
354 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
356 * cpplex.c (trigraph_map, speccase): Combine into single
358 (NORMAL, NONTRI): New macros.
359 (_cpp_read_and_prescan): Change to use unified table. Use
360 is_hspace to test for whitespace.
362 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
363 definition that doesn't provoke the "empty body in an
364 if-statement" warning.
366 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
368 * builtins.c (expand_builtin_strlen): Force the source to
371 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
373 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
375 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
377 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
378 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
379 (ECF_IS_CONST): Rename to ECF_CONST.
380 (special_function_p): Make static, change interface.
381 (flags_from_decl_or_type, try_to_integrate): Break out from ...
382 (expand_call) ... here; convert number of variables to flags.
383 (emit_library_call_vlue_1): Likewise.
384 (setjmp_call_p): New function.
385 (initialize_argument_information): Accepts flags as argument;
387 (precompute_arguments): Likewise.
388 * tree.h (special_function_p): Remove.
389 (setjmp_call_p): Add prototype.
391 2000-04-04 Jakub Jelinek <jakub@redhat.com>
393 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
394 so that addresses are offsetable by up to 16 bytes.
395 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
396 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
399 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
400 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
401 (movsf): Don't force any constant to memory if target is integer
403 Move fp_zero_operand check below the const0_rtx check.
404 (movtf): Likewise. Also allow fp_zero_operand for stores into
406 (movdf): Likewise. Also allow fp_zero_operand for stores into
407 memory and into integer hard registers.
408 (clear_df, clear_dfp, movdf_const_intreg_sp32,
409 movdf_const_intreg_sp64): Remove.
410 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
412 (movdf_no_e_insn_v9_sp32): New pattern.
413 (movdf_insn_v9only): Remove.
414 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
415 (movdf_insn_sp64): Remove.
416 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
417 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
418 (following splits): Rewrite conditions. Add two new splits
419 for storing 0.0 into memory and registers.
420 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
421 (movtf_insn_sp32): Redo constraints and conditions.
422 (movtf_insn_vis_sp32): New pattern.
423 (movtf_no_e_insn_sp32): Redo constraints and conditions.
424 (movtf_insn_hq_sp64): Likewise.
425 (movtf_insn_hq_vis_sp64): New pattern.
426 (movtf_insn_sp64): Redo constraints and conditions.
427 (movtf_insn_vis_sp64): New pattern.
428 (movtf_no_e_insn_sp64): Redo constraints and conditions.
429 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
431 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
432 -mvis or -m64 to take down the number of various reload patterns.
434 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
436 * pa/pa-64.h: New file.
437 * pa/pa64-regs.h: New file.
438 * pa/pa64-start.h: New file.
439 * pa/t-pa64: New file.
440 * pa/xm-pa64hpux.h: New file.
442 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * sparc.c (output_restore_regs): Prototype.
445 (sparc_emit_float_lib_cmp): Constification.
447 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
449 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
452 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
453 (get_value_hash, hash_rtx): Likewise.
455 * ssa.c (compute_conservative_reg_partition): Prototype.
457 * tree.c (mark_hash_entry): Prototype.
459 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
461 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
462 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
463 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
465 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
466 * objc/lang-specs.h: Likewise.
468 2000-04-03 Neil Booth <NeilB@earthling.net>
470 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
471 and SYNTAX_ERROR2. Replace `' in messages with ''.
472 (op_to_str): Make re-entrant.
473 (_cpp_parse_expr): Implement new error macros. Use | rather
474 than || to logically or 2 boolean integers. Simply expression
475 checking we have a left operand iff needed.
477 2000-04-03 Nick Clifton <nickc@cygnus.com>
479 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
481 2000-04-03 Philip Blundell <philb@gnu.org>
483 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
485 2000-04-03 Felix Lee <flee@cygnus.com>
487 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
490 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
492 * Makefile.in (stmp-int-hdrs): Make include subdir here...
493 (stmp-fixproto): ...rather than here.
495 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
497 * pa.c (print_operand): Compute 'base' only inside the code paths
500 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
502 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
505 2000-04-03 Philipp Thomas <pthomas@suse.de>
507 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
509 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
511 * Makefile.in (alias.o): Depend on $(TREE_H).
513 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
515 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
517 * cpplib.c (_cpp_handle_directive): Improve warnings for
518 traditional C and indented directives.
520 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
521 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
522 fixinc/inclhack.def: Indent the # of #include_next one space.
523 * cp/rtti.c: Un-indent #if and #endif.
525 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
526 syntax error, but an error has already been printed.
527 * cpplex.c (_cpp_parse_assertion): Give a more specific error
528 message when called with nothing remaining on the line.
529 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
530 OTHER token, not an ASSERTION.
531 * cpplib.c (do_assert): When we create a 'base' node, clear
534 2000-04-02 Neil Booth <NeilB@earthling.net>
536 * cppexp.c: New typedef op_t. struct operation and struct
537 token updated to use it.
538 (op_to_str): New function.
539 (_cpp_parse_expr): Error messages modified to use op_to_str.
541 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
543 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
544 before checking MUST_PASS_IN_STACK.
546 2000-04-02 Neil Booth <NeilB@earthling.net>
548 * cppexp.c: New FINISHED dummy token. Combine operator initial
549 flags and initial priority into a single constant. New
550 EQUALITY macro. New operator flag SHORT_CIRCUIT.
551 (_parse_cpp_expr): Implement new constants. Take left operand
552 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
553 parse indicated by reducing FINISHED token. Remove new lines
554 from cpp_error messages.
556 2000-04-01 Mark Mitchell <mark@codesourcery.com>
558 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
561 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
563 * cpplib.c: Include symcat.h. Add 'origin' field to struct
564 directive. Add origin values to DIRECTIVE_TABLE. Generate
565 the strings and function names on the fly. Take the #sccs
566 entry out of the table if SCCS_DIRECTIVE is not defined.
567 (_cpp_handle_directive): Decide if the # was at the beginning
568 of the line here. Issue -pedantic warnings for extended
569 directives here. Warn about K+R directives with the #
570 indented, and C89/extended directives with the # not indented,
572 (do_import, do_include_next, do_warning, do_ident, do_sccs,
573 do_assert, do_unassert): Don't issue pedantic warning here.
575 * cpphash.h: Add CPP_WTRADITIONAL macro.
576 * cpplib.h (struct cpp_options): Rename warn_stringify to
577 warn_traditional; update comments.
578 * cppinit.c (handle_option): Set warn_traditional not
580 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
581 CPP_WTRADITIONAL (pfile).
582 * cpplex.c (_cpp_lex_token): Don't decide if directives should
583 be ignored in -traditional mode here.
585 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
586 to initialize speccase[] and trigraph_map[]. Delete all
587 references to pfile->input_speccase. Always treat '?' as a
588 special character. Remove table-initialization code from
589 _cpp_init_input_buffer.
591 * cpplib.h (struct cpp_reader): Remove input_speccase field.
592 * cppinit.c (cpp_cleanup): Don't free input_speccase.
594 2000-04-01 Richard Henderson <rth@cygnus.com>
596 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
597 (mostlyclean): Likewise.
599 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
600 (struct dump_file_info, enum dump_file_index, dump_file): New.
601 (open_dump_file): Take a dump_file_index not a suffix, and a decl
602 not a string. Clean out file if we havn't yet done so. Do nothing
603 if the dump isn't enabled.
604 (close_dump_file): Do nothing if the dump isn't open. Dump
605 graph data if requested.
606 (dump_rtl, clean_dump_file): Remove.
607 (compile_file): Don't clean the dump files. Only finalize .bp dump
608 if flag_test_coverage or flag_branch_probabilities. Only finalize
609 .combine dump if optimizing. Iterate over dump_file to finalize the
611 (rest_of_compilation): Update for open_dump_file/close_dump_file.
612 Convert all uses of dump_rtl.
613 (decode_d_option): Iterate over dump_file to implement 'a' and to
614 locate pass-specific dumps.
616 2000-04-01 Neil Booth <NeilB@earthling.net>
618 * cppexp.c: Redefine priority constants.
619 (_cpp_parse_expr): Replace left and right priority scheme with
620 single priority logic. Move LOGICAL to same place as COMPARE.
621 Remove bogus check for multiple unary +/- operators.
623 2000-04-01 Neil Booth <NeilB@earthling.net>
625 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
626 within the switch statement. Binary operations break out of
627 the switch naturally. '(' tokens handled by forcing
628 immediate shift. ')' handled by forcing immediate reduce to
629 the previous '('. New error messages.
631 2000-03-31 Geoff Keating <geoffk@cygnus.com>
633 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
634 part', it's already in use. Use %K instead. Add a return at the
635 end of what is now %K.
636 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
638 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
640 * builtins.c (expand_builtin_apply): Pass proper parameters to
641 allocate_dynamic_stack_space.
642 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
643 update stack_pointer_delta; do not update arg_size_so_far.
644 (compute_argument_block_size): Use stack_delta instead of
645 stack_pointer_pending and arg_size_so_far.
646 (expand_call): Add sanity checking for stack_pointer_delta;
647 save and restore stack_pointer_delta for SIB, use
648 stack_pointer_delta for alignment; do not update arg_space_so_far.
649 (emit_library_call_value): Use stack_pointer_delta for alignment.
650 (store_one_arg): Do not update arg_space_so_far.
651 * explow.c (adjust_stack, anti_adjust_stack): Update
653 (allocate_dynamic_stack_space): Add sanity checking for
655 * expr.c (init_expr, clear_pending_stack_adjust): Clear
657 (emit_push_insn): Update stack_pointer_delta.
658 * function.h (struct expr_status): Add x_stack_pointer_delta;
659 remove x_arg_space_so_far.
660 (arg_space_so_far): Remove.
661 (stack_pointer_delta): New macro.
663 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
665 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
666 Reorder struct cpp_options and struct cpp_reader for better
667 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
668 takes two args. Change all 'char' flags to 'unsigned char'.
669 Move show_column flag into struct cpp_options. Don't
670 prototype cpp_options_init.
671 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
672 cppinit.c, cpplex.c, cpplib.c:
673 Replace CPP_OPTIONS (pfile)->whatever with
674 CPP_OPTION (pfile, whatever), and likewise for
675 opts = CPP_OPTIONS (pfile); ... opts->whatever;
677 * cppinit.c (merge_include_chains): Take a cpp_reader *.
678 Extract CPP_OPTION (pfile, pending) and work with that
680 (cpp_options_init): Delete.
681 (cpp_reader_init): Turn on on-by-default options here.
682 Allocate the pending structure here.
683 (cl_options, enum opt_code): Define these from the same table,
684 kept in a large macro. Add -fshow-column and -fno-show-column
687 * cpperror.c (v_message): If show_column is off, don't print
690 * cppmain.c: Update for new interface.
691 * fix-header.c: Likewise.
693 2000-03-30 Geoff Keating <geoffk@cygnus.com>
695 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
697 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
698 are passed to any invocation of AR_FOR_TARGET.
699 (AR_CREATE_FOR_TARGET): New macro.
700 (AR_EXTRACT_FOR_TARGET): New macro.
701 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
702 AR_EXTRACT_FOR_TARGET.
703 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
704 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
705 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
706 AR_EXTRACT_FOR_TARGET to sub-makes.
708 2000-03-31 Neil Booth <NeilB@earthling.net>
710 * cppexp.c: Delete SKIP_OPERAND. Correct priority
712 (_cpp_parse_expr): Check for multiple unary +/- operators.
713 Correct priorities of ':' and '?'. Treat ')' as having a
714 value. Ensure conditional expression is not void.
716 2000-03-31 Mark Mitchell <mark@codesourcery.com>
718 * alias.c (canon_rtx): Make it global.
719 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
721 * cse.c (struct table_elt): Add canon_exp.
723 (invalidate): Canonicalize expressions only once.
724 * rtl.h (canon_rtx): Declare.
726 2000-03-30 Mark Mitchell <mark@codesourcery.com>
728 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
729 * alias.c (reg_known_value): Add comments.
730 (init_alias_analysis): Likewise.
731 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
733 (cse_basic_block): Fix typo in comment.
734 * emit-rtl.c: Include hashtab.h.
735 (const_int_htab): New variable.
736 (const_int_htab_hash): New function.
737 (const_int_htab_eq): Likewise.
738 (rtx_htab_mark_1): Likewise.
739 (rtx_htab_mark): Likewise.
740 (gen_rtx_CONST_INT): Cache all CONST_INTs.
741 (unshare_all_rtx): Fix formatting.
742 (init_emit_once): Initialize const_int_htab.
743 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
745 * rtl.texi: Document the fact that all CONST_INTs with the same
748 2000-03-30 Richard Henderson <rth@cygnus.com>
750 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
752 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
754 * configure.in: Comment out --enable-c-cpplib stanza.
755 * configure: Regenerate.
757 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
759 * expr.c (store_constructor): Properly compute displacement and
760 alignment when offset is variable.
762 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
763 cases of alignment in bytes.
765 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
767 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
768 since it is used to generate c-parse.y.
769 * objc-parse.c, objc-parse.y: Regenerated.
771 * function.c (expand_function_end): Pass alignment argument to
772 emit_block_move in bits, not bytes.
774 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
776 * expr.c (move_by_pieces_ninsns): Fix one more missing align
779 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
781 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
782 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
783 * function.c (assign_parms): Likewise.
784 * integrate.c (expand_inline_function): Likewise.
785 * stmt.c (expand_decl): Likewise.
786 (copy_rtx_and_substitute): Likewise.
787 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
788 (clear_by_pieces): Fix error in last change.
789 * emit-rtl.c (init_emit): Set known registers alignment in bits.
790 * function.h (regno_pointer_align): Now unsigned.
791 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
793 * config/i386/i386.c (aligned_operand): Likewise.
794 * config/sparc/sparc.c (mem_min_alignment): Likewise.
795 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
796 (unaligned_memory_operand): Likewise.
797 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
798 Also make alignments and sizes unsigned and some whitespace cleanup.
799 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
801 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
802 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
803 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
804 (expand_builtin_memset): Likewise, but to clear_storage.
805 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
806 (restore_fixed_argument_area): Likewise.
807 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
808 (load_register_parameters): Likewise, to emit_group_load.
809 (expand_call): Likewise, to emit_group_store and emit_block_move.
810 (emit_library_call_value_1): Likewise, to emit_block_move.
811 (store_one_arg): Likewise, and to emit_push_insn.
812 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
813 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
814 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
815 (emit_block_move, emit_group_load, emit_group_store): Likewise.
816 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
817 (expand_assigment, store_expr, store_constructor_field): Likewise.
818 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
819 (store_constructor, store_field, get_inner_reference): Likewise.
820 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
821 (expand_expr, case COMPONENT_REF): Likewise.
822 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
823 and positions; reindent code.
824 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
825 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
826 (assign_parms): Likewise to emit_group_store.
827 * optabs.c (prepare_cmp_insn): Alignment is in bits.
828 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
829 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
830 (expand_return): Likewise to {extract,store}_bit_field.
831 * stor-layout.c (get_mode_alignment): Minor cleanup.
832 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
833 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
835 2000-03-29 Nick Clifton <nickc@cygnus.com>
837 * config/arm/arm.h: Undo effects of previous delta:
838 (ASM_SPEC): Do not define.
839 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
841 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
844 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
846 * cppinit.c (cpp_start_read): Call initialize_dependency_output
847 only after reading in the primary source file.
849 2000-03-29 Geoff Keating <geoffk@cygnus.com>
851 * c-common.c (c_common_nodes_and_builtins): The first parameter to
852 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
853 or a reference to a va_list.
854 * builtins.c (stabilize_va_list): Simplify now we don't have to
855 work around C array address decay.
856 * c-typeck.c (convert_for_assignment): Handle assignment to
857 a reference parameter by taking the address of the RHS.
858 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
860 (__va_copy): Likewise.
861 * ginclude/varargs.h (va_start): Likewise.
862 (__va_copy): Likewise.
864 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
866 * i386/djgpp.h: Remove extraneous "+".
868 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
870 * calls.c (expand_call): Fix typo in last change.
872 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
874 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
877 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
879 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
880 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
881 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
882 * tree.c (bit_position, byte_position): Likewise.
883 * tree.h: Declare new functions.
885 2000-03-29 Nick Clifton <nickc@cygnus.com>
887 * config/arm/arm.c: Minor formatting changes/
888 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
890 (ASM_SPEC): Define if not already defined.
892 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
894 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
897 2000-03-29 Jakub Jelinek <jakub@redhat.com>
899 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
900 value, don't output it as unsigned.
902 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
904 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
906 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
908 * c-common.c (c_common_nodes_and_builtins): Don't special case
909 cplus_mode when declaring builtin bzero/bcmp, always avoid
912 2000-03-29 Bruce Korb <bkorb@gnu.org>
914 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
917 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
919 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
920 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
921 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
922 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
923 (save_fixed_argument_area, restore_fixed_argument_area):
924 conditionize by #ifdef REG_PARM_STACK_SPACE only.
925 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
926 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
927 (precompute_register_parameters): Avoid #ifdefs on
928 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
929 (stire_one_args): Likewise.
930 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
931 (emit_library_call_value_1): Likewise.
932 (compute_argument_block_size): Align to STACK_BOUNDARY only for
933 ACCUMULATE_OUTGOING_ARGS.
934 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
936 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
937 (use_crosses_set_p): Likewise.
938 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
939 #define ACCUMULATE_OUTGOING_ARGS 1.
940 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
942 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
944 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
945 (TARGET_SWITCHES): Add push-args, no-push-args,
946 accumulate-outgoing-args and no-accumulate-outgoing-args.
947 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
948 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
949 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
951 (emit_push_insn): Likewise.
952 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
953 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
954 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
955 (STACK_DYNAMIC_OFFSET): Define correctly for both
956 ACCUMULATE_OUTGOING_ARGS and normal mode.
957 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
958 * tm.texi (PUSH_ARGS): Document.
959 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
961 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
963 * flags.h (flag_optimize_sibling_calls): Declare.
964 * calls.c (expand_call): Fail sibcall when
965 !flag_optimize_sibling_calls
966 * invoke.texi (flag_optimize_sibling_calls): Document.
967 * toplev.c (flag_optimize_sibling_calls): New global variable.
968 (f_options): Add flag_optimize_sibling_calls.
969 (rest_of_compilation): Conditionize
970 optimize_sibling_and_tail_recursive_calls by
971 flag_optimize_sibling_calls.
972 (main): Set flag_optimize_sibling_calls for -O2.
973 * stmt.c (expand_return): Conditionize tail recursion by
974 flag_optimize_sibling_calls.
976 2000-03-29 Richard Henderson <rth@cygnus.com>
978 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
979 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
981 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
983 * except.c (add_eh_table_entry): Mark type_info's as referenced.
985 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
987 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
989 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
990 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
991 * config/rs6000/aix.h: then modified likewise.
993 2000-03-28 Richard Henderson <rth@cygnus.com>
995 * rtl.h: Redistribute enum reg_note documentation.
996 Kill trailing whitespace.
997 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
998 Kill trailing whitespace.
1000 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1002 * cppfiles.c (hash_IHASH): Just return i->hash.
1003 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1004 htab_find_with_hash.
1005 (cpp_read_file): Likewise.
1006 (find_include_file): Likewise. Properly initialize
1007 ih->nshort. Share ih->name and ih->nshort if possible.
1008 * cpphash.c (_cpp_calc_hash): New function.
1009 (hash_HASHNODE): Just return h->hash.
1010 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1011 htab_find_with_hash.
1012 * cpphash.h: Prototype _cpp_calc_hash.
1013 * cppinit.c (initialize_builtins): Provide a valid hash
1014 to _cpp_make_hashnode, using _cpp_calc_hash.
1016 * cpphash.c (collect_expansion): # is not a special character
1017 in object-like macros. In -traditional mode, /**/ is not
1018 token paste at the beginning or end of the line.
1019 * cpplib.c (do_include, do_import, do_include_next): If
1020 parse_include fails, return immediately.
1022 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1024 * config/arm/arm.md (return peepholes): Update to reflect the new
1026 * config/arm/arm.c (arm_volatile_func): Also check
1027 current_function_nothrow.
1028 (output_return_instruction, output_func_prologue): Use it.
1029 (arm_output_epilogue, arm_expand_prologue): Likewise.
1031 2000-03-27 Tom Tromey <tromey@cygnus.com>
1033 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1036 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1038 * expr.c (store_constructor): SIZE now signed.
1039 For EXPR_SIZE, don't evaluate size; just needed if constant.
1040 * fold-const.c (fold): Fix a number of cases when folded tree is
1042 * function.c (flush_addressof): Reenable.
1043 * tree.h (flush_addressof): Likewise.
1044 * toplev.c (independent_decode_option): Look at strings_processed.
1045 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1047 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1049 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1050 Allow stack adjustment after function call.
1052 * regmove.c (struct csa_memlist): Make mem field rtx *.
1053 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1054 (try_apply_stack_adjustment): Replace whole MEM rtx.
1055 (combine_stack_adjustments_for_block): Update calls
1056 to record_one_stack_ref.
1058 2000-03-28 Neil Booth <NeilB@earthling.net>
1060 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1061 '\\' rather than a null character, so nulls are not special. Fix
1062 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1063 speed trigraph conversion.
1064 (_cpp_init_input_buffer): Initialize trigraph map.
1066 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1068 * config/i386/i386.c (output_387_binary_op): Correct intel
1069 mode assembly output, and add spaces after commas in AT&T
1070 output. Correct Unixware assembler comment. Document input
1071 constraints. Comment fp operations. Reduce profligate buffer
1072 size. Remove extraneous abort. Localize temp var.
1073 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1074 (output_fix_trunc): Add spaces after commas in assembly output.
1076 2000-03-27 Richard Henderson <rth@cygnus.com>
1078 * i386-protos.h (ix86_match_ccmode): Declare.
1079 * i386.c (ix86_match_ccmode): New.
1080 (ix86_expand_fp_compare): Update for pattern renames.
1081 (ix86_expand_strlensi_unroll_1): Likewise.
1082 * i386.h (EXTRA_CC_MODES): Add CCZ.
1083 (SELECT_CC_MODE): Use it for EQ/NE zero.
1084 * i386.md (cmpsi_ccz_1): New.
1086 (*testsi_ccz_1): New.
1087 (testqi_ccz_1): New.
1088 (cmpsi_ccno_1): Rename from cmpsi_0.
1089 (testsi_ccno_1): Rename from testsi_1.
1090 (testqi_ccno_1): Rename from testqi_1.
1091 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1092 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1093 (*cmphi_0): Use ix86_match_ccmode.
1094 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1095 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1096 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1097 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1098 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1099 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1100 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1101 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1102 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1103 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1104 (appropriate peepholes): Likewise.
1105 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1106 (*subsi_3, *subhi_3, *subqi_3): Remove.
1107 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1108 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1109 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1110 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1111 (x86_shift_adj_1): Use CCZ.
1112 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1114 2000-03-27 Stan Cox <scox@cygnus.com>
1116 * resource.h (mark_resource_type): New.
1117 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1118 find_free_register): Use mark_resource_type.
1119 (mark_set_resources): Change include_delayed_effects
1120 to mark_resource_type.
1121 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1122 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1123 Use mark_resource_type.
1125 2000-03-27 Richard Henderson <rth@cygnus.com>
1127 * i386.md (call_pop_0, call_value_pop_0): New.
1128 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1129 (call_value_pop_1): Likewise.
1130 (call_0, call_value_0): New.
1131 (call_1, call_value_1): Remove constraint from unused arg.
1133 2000-03-27 Nick Clifton <nickc@cygnus.com>
1135 * invoke.texi (Spec Files): Document new spec % command created by
1136 Tom Tromey's recent patch.
1138 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1140 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1143 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1145 * expr.c (expand_assignment): Fix typo in last change.
1147 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1149 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1151 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1152 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1153 and DECL_INLINE if FUNCTION_DECL.
1154 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
1155 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
1156 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
1157 (combine_parm_decls): Likewise.
1158 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
1159 * print-tree.c (print_node): Likewise.
1160 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
1161 DECL_TRANSPARENT_UNION on proper decl types.
1162 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
1163 * stor-layout.c (layout_decl): Only check DECL_PACKED and
1164 DECL_BIT_FIELD of FIELD_DECL.
1165 * tree.h (DECL_RESULT_FLD): New macro.
1167 * expr.c (expand_assignment): Add code to handle variable-sized
1170 2000-03-26 Richard Henderson <rth@cygnus.com>
1172 * calls.c (expand_call): Pass parms not original exp to
1173 optimize_tail_recursion. Mind return value instead of looking
1175 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
1176 call_expr. Move checks for call_expr and current_function_decl ...
1177 (expand_return): ... here.
1179 2000-03-26 Tom Tromey <tromey@cygnus.com>
1181 * gcc.c (handle_braces): Recognize `%{<S}' construct.
1182 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
1184 (process_command): Use them.
1185 (check_live_switch): Likewise.
1186 (give_switch): Skip ignored switches.
1188 2000-03-26 Jan Hubicka <jh@suse.cz>
1190 * jump.c (jump_optimize_1): Fix typo in elide optimizations
1191 for minimal jump pass test.
1193 2000-03-26 Mark Mitchell <mark@codesourcery.com>
1195 * integrate.c (function_cannot_inline_p): Do inline functions that
1198 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1200 * stor-layout.c (layout_type, set_sizetype): early_type_list is
1201 now a list of TREE_LIST entries, not types.
1202 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
1204 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
1205 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
1207 * config/mips/mips.c (function_arg): Likewise; also remove cast
1208 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
1209 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
1210 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
1211 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
1212 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
1213 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
1214 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
1215 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
1216 num_adjusts now unsigned.
1217 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
1218 * config/sparc/sparc.c (struct function_arg_record_value_parms):
1220 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
1221 as is BITPOS variable; use host_integerp and int_bit_position.
1222 (function_arg_record_value_2): Likewise.
1223 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
1224 Variable REGNO now unsigned.
1225 (function_arg_record_value): NREGS now unsigned.
1227 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1229 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
1231 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1233 * Rework fields used to describe positions of bitfields and
1234 modify sizes to be unsigned and use HOST_WIDE_INT.
1235 * alias.c (reg_known_value_size): Now unsigned.
1236 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
1237 (really_start_incremental_init): Use bitsize_zero_node.
1238 (push_init_level, pop_init_level, output_init_element): Likewise.
1239 Use bitsize_unit_node and bitsize_one_node.
1240 (output_pending_init_elements, process_init_element): Likewise.
1241 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
1242 (make_extraction): Position and length HOST_WIDE_INT and unsigned
1243 HOST_WIDE_INT, respectively.
1244 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
1245 (num_sign_bit_copies): Returns unsigned.
1246 BITWIDTH now unsigned; rework arithmetic.
1247 Remove recursive call from arg to MAX.
1248 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
1249 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
1251 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
1252 (find_split_point, expand_compound_operation, make_extraction): LEN
1253 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
1254 (make_field_assignment): Likewise.
1255 (combine_simplify_rtx): Add cast.
1256 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
1257 (force_to_mode): WIDTH now unsigned; add cast.
1258 (if_then_else_cond): SIZE now unsigned.
1259 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
1260 (extended_count): Now returns unsigned.
1261 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
1262 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
1263 (simplify_comparison): MODE_WIDTH now unsigned.
1264 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
1265 (mark_used_regs_combine): Likewise; rework arithmetic.
1266 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
1267 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
1268 (record_promoted_value): REGNO now unsigned.
1269 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
1270 (get_last_value): REGNO now unsigned.
1271 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
1272 (reg_dead_regno, reg_dead_endregno): Now unsigned.
1273 (remove_death): Arg REGNO now unsigned.
1274 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
1275 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
1277 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
1278 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
1279 (struct cse_reg_info): REGNO now unsigned.
1280 (cached_regno): Now unsigned.
1281 (REGNO_QTY_VALID_P): Add cast.
1282 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
1283 (remove_invalid_regs): Likewise.
1284 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
1285 as are variables END and I.
1286 (get_cse_reg_info, insert): Likewise.
1287 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
1288 (canon_hash): Likewise.
1289 (insert_regs, lookup_for_remove): REGNO now unsigned.
1290 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
1292 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
1293 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
1294 * emit-rtl.c (subreg_realpart_p): Add cast.
1295 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
1296 (operand_subword_force): Arg I is now unsigned.
1297 * except.c (eh_regs): Variable I is now unsigned.
1298 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
1299 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
1300 length is unsigned HOST_WIDE_INT; likewise for internal variables.
1301 (store_split_bit_field, extract_fixed_bit_field): Likewise.
1302 (extract_split_bit_field, store_bit_field, extract_bit_field):
1304 * expr.c (store_constructor_fields, store_constructor, store_field):
1305 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
1306 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
1307 (do_jump): Likewise.
1308 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
1309 MAX_SIZE is now unsigned.
1310 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
1311 (emit_group_store): Likewise.
1312 (emit_move_insn): I now unsigned.
1313 (store_constructor): Use host_integerp, tree_low_cst, and
1315 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
1316 Rework all calculations to use trees and new fields.
1317 * expr.h (promoted_input_arg): Regno now unsigned.
1318 (store_bit_field, extract_bit_field): Adjust types of pos and size.
1319 (mark_seen_cases): Arg is HOST_WIDE_INT.
1320 * flow.c (verify_wide_reg_1): REGNO now unsigned.
1321 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
1322 precisions and alignments are unsigned.
1323 (optimize_bit_field_compare, fold_truthop): Likewise.
1324 (int_const_binop): Adjust threshold for size_int_type_wide call.
1325 (fold_convert): Likewise.
1326 (size_int_type_wide): Make table larger and fix thinko that only
1327 had half of table used.
1328 (all_ones_mask_p, fold): Precisions are unsigned.
1329 * function.c (put_reg_info_stack): REGNO is unsigned.
1330 (instantiate_decl): Size is HOST_WIDE_INT.
1331 (instantiate_virtual_regs): I is unsigned.
1332 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
1333 (promoted_input_arg): REGNO is unsigned.
1334 * function.h (struct function): x_max_parm_reg is now unsigned.
1335 * gcse.c (max_gcse_regno): Now unsigned.
1336 (struct null_pointer_info): min_reg and max_reg now unsigned.
1337 (lookup_set, next_set): REGNO arg now unsigned.
1338 (compute_hash_table): REGNO and I now unsigned.
1339 (handle_avail_expr): regnum_for_replacing now unsigned.
1340 (cprop_insn): REGNO now unsigned.
1341 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
1342 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
1343 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
1344 * hard-reg-set.h (reg_class_size): Now unsigned.
1345 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
1346 * jump.c (mark_modified_reg): I now unsigned; add cast.
1347 (rtx_equal_for_thread_p): Add cast.
1348 * loop.c (max_reg_before_loop): Now unsigned.
1349 (struct_movable): REGNO now unsigned.
1350 (try_copy_prop): REGNO arg unsigned.
1351 (regs_match_p): XN and YN now unsigned.
1352 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
1353 (strength_reduce): Likewise; NREGS also unsigned.
1354 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
1355 * loop.h (struct iv_class): REGNO now unsigned.
1356 (max_reg_before_loop, first_increment_giv, last_increment_giv):
1358 * machmode.h (mode_size, mode_unit_size): Now unsigned.
1359 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
1360 * optabs.c (expand_binop): I and NWORDS now unsigned.
1361 (expand_unop): I now unsigned.
1362 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
1363 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
1364 * real.c (significand_size): Now returns unsigned.
1365 * real.h (significand_size): Likewise.
1366 * regclass.c (reg_class_size): Now unsigned.
1367 (choose_hard_reg_mode): Both operands now unsigned.
1368 (record_reg_classes): REGNO and NR now unsigned.
1369 (reg_scan): NREGS now unsigned.
1370 (reg_scan_update): old_max_regno now unsigned.
1371 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
1372 * reload.c (find_valid_class): BEST_SIZE now unsigned.
1373 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
1374 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
1375 Likewise for variable R.
1376 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
1377 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
1378 (find_equiv_reg): Add casts.
1379 (regno_clobbered_p): Arg REGNO now unsigned.
1380 * reload.h (struct reload): NREGS now unsigned.
1381 (refers_to_regno_for_reload_p): Regno args are unsigned.
1382 (regno_clobbered_p): Likewise.
1383 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
1384 (compute_use_by_pseudos): REGNO now unsigned.
1385 (find_reg): I and J now unsigned, new variable K, and change loop
1386 variables accordingly; THIS_NREGS now unsigned.
1387 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
1388 (spill_hard_reg): REGNO arg now unsigned; add casts.
1389 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
1390 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
1391 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
1392 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
1393 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
1394 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
1395 (emit_reload_insns): REGNO now unsigned.
1396 (reload_cse_move2add): Add cast.
1397 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
1399 * resource.c (mark_referenced_resources, mark_set_resources): New
1400 variable R; REGNO and LAST_REGNO now unsigned.
1401 (mark_target_live_regs): J and REGNO now unsigned.
1402 * rtl.c (mode_size, mode_unit_size): Now unsigned.
1403 * rtl.h (union rtunion_def): New field rtuint.
1404 (XCUINT): New macro.
1405 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
1406 (operand_subword, operand_subword_force): Word number is unsigned.
1407 (choose_hard_reg_mode): Operands are unsigned.
1408 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
1409 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
1410 (regno_use_in, combine_instructions, remove_death): Likewise.
1411 (reg_scan, reg_scan_update): Likewise.
1412 (extended_count): Return is unsigned.
1413 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
1414 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
1415 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
1416 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
1417 (reg_reg_last_1): FIRS and LAST now unsigned.
1418 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
1419 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
1421 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
1422 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
1423 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
1424 (replace_regs): Arg NREGS now unsigned.
1425 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
1426 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
1427 (simplify_binary_operation): Likewise.
1428 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
1429 THIS_LAST now unsigned.
1430 (cselib_record_set): Add cast.
1431 * ssa.c (ssa_max_reg_num): Now unsigned.
1432 (rename_block): REGNO now unsigned.
1433 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
1435 (all_cases_count): Just return -1 not -2.
1436 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
1437 Rework tests to use trees whenever possible.
1438 Use host_integerp and tree_low_cst.
1439 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
1440 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
1441 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
1442 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
1443 (smallest_mode_for_size): Likewise.
1444 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
1445 KNOWN_ALIGN is now an alignment, so simplify code.
1446 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
1447 (start_record_layout): Renamed from new_record_layout_info.
1448 Update to new fields.
1449 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
1451 (place_union_field): Renamed from layout_union_field.
1452 Update to use new fields in rli.
1453 (place_field): Renamed from layout_field.
1454 Major rewrite to use new fields in rli; pass alignment to layout_decl.
1455 (finalize_record_size): Rework to use new fields in rli and handle
1457 (compute_record_mode): Rework to simplify and to use new DECL fields.
1458 (finalize_type_size): Make rounding more consistent.
1459 (finish_union_layout): Deleted.
1460 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
1461 (layout_type, case RECORD_TYPE): Call new function names.
1462 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
1463 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
1464 (get_best_mode): UNIT is now unsigned; remove casts.
1465 * tree.c (bit_position): Compute from new fields.
1466 (byte_position, int_byte_position): New functions.
1467 (print_type_hash_statistics): Cast to remove warning.
1468 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
1469 (build_index_type): Likewise; make subtype of sizetype.
1470 (build_index_2_type): Pass sizetype to build_range_type.
1471 (build_common_tree_nodes): Use size_int and bitsize_int to
1472 initialize nodes; add bitsize_{zero,one,unit}_node.
1473 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
1474 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
1475 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
1476 (DECL_FIELD_BITPOS): Deleted.
1477 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
1478 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
1479 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
1480 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
1481 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
1482 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
1483 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
1484 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
1485 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
1486 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
1487 (DECL_ALIGN): Adjust to new field in union.
1488 (DECL_OFFSET_ALIGN): New field.
1489 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
1490 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
1491 (union tree_decl): Add struct for both aligns.
1492 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
1493 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
1494 (struct record_layout_info): Rework fields to have offset
1495 alignment and byte and bit position.
1496 (start_record_layout, place_field): Renamed from old names.
1497 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
1498 (byte_position, int_byte_position): Likewise.
1499 (get_inner_reference): Change types of position and length.
1500 * unroll.c (unroll_loop): New variable R; use for some loops.
1501 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
1502 (calculate_giv_inc): Arg REGNO now unsigned.
1503 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
1504 * varasm.c (assemble_variable): Clean up handling of size using
1505 host_integerp and tree_low_cst.
1506 (decode_addr_const): Use byte, not bit, position.
1507 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
1508 use tree_low_cst and int_bit_position.
1509 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
1511 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
1513 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
1514 (reorder_block_def): New members eff_head and eff_end.
1515 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
1516 (verify_insn_chain): New function.
1517 (skip_insns_between_block): Add code to skip deleted insns.
1518 Check for note before using.
1519 (chain_reorder_blocks): Replace calls to skip_insns_between_block
1520 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
1521 Check for note before using.
1522 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
1523 (fixup_reorder_chain): Restructure, clean up, defect removal.
1524 (reorder_basic_blocks): Remove last_insn and references to it.
1525 Moved insn chain verification code into a new function (see above).
1526 Delete defective code that sets last insn.
1527 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
1530 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1532 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
1534 2000-03-24 Richard Henderson <rth@cygnus.com>
1536 * tree.c (lang_safe_for_unsave): Remove.
1537 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
1538 allowing for two levels of unsafeness. Remove lang hook.
1539 * tree.h: Update declarations.
1540 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
1541 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
1542 Always fail sibcalls when there are pending cleanups.
1544 2000-03-24 Geoff Keating <geoffk@cygnus.com>
1546 * flow.c (propagate_block): When we delete an ADDR_VEC,
1547 also delete the BARRIER following it if there is one.
1549 2000-03-24 Richard Henderson <rth@cygnus.com>
1551 * builtins.c (expand_builtin_bzero): Convert `length' argument
1554 2000-03-24 Jakub Jelinek <jakub@redhat.com>
1556 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
1557 comparison if regno's are equal.
1558 * calls.c (initialize_argument_informat): Add ecf_flags argument.
1559 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
1560 (expand_call): Update caller.
1561 Avoid making a sibling call if argument size of the callee is larger
1562 than argument size of the caller.
1563 Call hard_function_value with outgoing set if in sibcall pass.
1564 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
1566 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
1567 Change LEAF_REGISTERS from an array initializer to actual array
1568 identifier. Move static global variable into the function.
1569 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
1570 sequences for leaf functions.
1571 * global.c (global_alloc): Likewise.
1572 * tm.texi (LEAF_REGISTERS): Update documentation.
1574 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
1575 TARGET_FLAT leaf disabling hack.
1576 (LEAF_REGISTERS): Changed from an array initializer to actual array
1577 identifier to avoid duplication and remove the above hack.
1578 (FUNCTION_OK_FOR_SIBCALL): Define.
1579 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
1580 always like call attribute.
1581 (eligible_for_sibcall_delay): New attribute.
1582 (sibcall): New delay type.
1583 (sibcall, sibcall_value, sibcall_epilogue): New expands.
1584 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
1585 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
1586 * config/sparc/sparc.c (sparc_leaf_regs): New array.
1587 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
1589 (output_function_epilogue): Move part of the code into
1590 output_restore_regs.
1591 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
1593 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
1596 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
1597 until infrastructure is finished.
1599 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
1601 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
1602 (save_parm_insns): Not here.
1604 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1606 * builtins.c (expand_builtin_bzero): New function.
1607 (expand_builtin): Handle bzero.
1609 * builtins.def: Add BUILT_IN_BZERO.
1611 * c-common.c (c_common_nodes_and_builtins): Provide builtin
1612 prototype & function for bzero.
1614 2000-03-23 Michael Meissner <meissner@redhat.com>
1616 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
1617 change adding TARGET_FP to the TF floating point insns, except for
1618 trunctfsf2, which generates direct calls to truncdfsf2.
1620 2000-03-23 Geoff Keating <geoffk@cygnus.com>
1622 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
1623 try to protect against middle-end changes that break binary
1625 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
1627 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1629 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
1631 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1633 * calls.c (expand_call): If TARGET is passed by reference and
1634 is readonly, write a CLOBBER.
1636 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1638 * builtins.c (expand_builtin): Handle bcmp.
1640 * builtins.def: Add BUILT_IN_BCMP.
1642 * c-common.c (c_common_nodes_and_builtins): Provide builtin
1643 prototype & function for bcmp.
1645 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
1647 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
1648 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
1649 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
1651 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
1653 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
1654 alternative when using -fp64 -gp32.
1656 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
1658 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
1659 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
1660 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
1662 * frame.h (frame_state): Revert last change.
1663 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
1664 * libgcc2.c (throw_helper): Revert last change.
1666 2000-03-22 Richard Henderson <rth@cygnus.com>
1668 * stmt.c (expand_asm_operands): Don't promote the temporary.
1670 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1672 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
1673 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
1674 c_get_alias_set): Likewise.
1675 * c-decl.c (duplicate_decls): Likewise.
1676 * c-typeck.c (default_conversion,build_unary_op): Likewise.
1677 * calls.c (initialize_argument_information): Likewise.
1678 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
1680 * dwarfout.c (decl_class_context,output_type): Likewise.
1681 * expr.c (get_inner_reference): Likewise.
1682 * fold-const.c (simple_operand_p,fold): Likewise.
1683 * function.c (aggregate_value_p): Likewise.
1684 * stmt.c (expand_asm_operands): Likewise.
1685 * varasm.c (named_section): Likewise.
1687 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
1689 Implement dwarf2 exception handling for the ARM.
1690 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
1691 (DWARF_FRAME_RETURN_COLUMN): Define.
1692 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
1693 REG_FRAME_RELATED_EXPR note.
1694 (emit_sfm): Likewise.
1695 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
1696 * dwarf2out.c (reg_save): Handle saving a register to itself.
1697 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
1698 * except.c (eh_regs): Don't use the static chain reg if it's
1700 * frame.h (frame_state): Add cfa_saved field.
1701 * frame.c (execute_cfa_insn): Set it.
1702 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
1704 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
1706 (instantiate_virtual_regs): Adjust.
1708 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
1709 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
1710 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
1712 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
1713 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
1715 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1717 * builtins.def: New file.
1719 * Makefile.in (TREE_H): Depend on builtins.def.
1721 * builtins.c (built_in_names): Use builtins.def.
1723 * tree.h (built_in_function): Likewise.
1725 2000-03-22 Mark Mitchell <mark@codesourcery.com>
1727 * tree.c (size_in_bytes): Return size_zero_node, not
1730 2000-03-22 Geoff Keating <geoffk@cygnus.com>
1732 * config/fp-bit.c (pack_d): Correct the case when a denormal
1733 is rounded up and stops being denormal.
1735 2000-03-21 Richard Henderson <rth@cygnus.com>
1737 * config/alpha/alpha.c (function_arg): Check for void_type_node
1738 before using MUST_PASS_IN_STACK.
1740 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
1742 * regmove.c (combine_stack_adjustments_for_block): Check that
1743 the stack pointer is a valid memory address.
1745 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
1747 * calls.c: re-install Mar 16 emit_library_call merge.
1749 2000-03-21 Jakub Jelinek <jakub@redhat.com>
1751 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
1752 we cannot be sure that if reload_completed base register will
1753 be properly aligned.
1755 2000-03-21 Richard Henderson <rth@cygnus.com>
1757 * flow.c (delete_block): Fix typo last change.
1759 2000-03-21 Mark Mitchell <mark@codesourcery.com>
1761 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
1762 not COMPLETE_TYPE_P, to check the type of the expression.
1764 2000-03-21 Michael Meissner <meissner@redhat.com>
1766 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
1767 all floating point insns that just tested the macro
1768 TARGET_HAS_XFLOATING_LIBS.
1769 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
1770 used to only use the gprs.
1772 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
1774 * tree.h (COMPLETE_TYPE_P): New macro.
1775 (COMPLETE_OR_VOID_TYPE_P): New macro.
1776 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
1777 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
1778 * c-aux-info.c (gen_type): Use them.
1779 * c-common.c (c_expand_expr_stmt): Likewise.
1780 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
1781 grokdeclarator, grokparms, finish_struct, start_function,
1782 store_parm_decls, combine_parm_decls): Likewise.
1783 * c-parse.y (cast_expr): Likewise.
1784 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
1785 c_size_in_bytes, c_alignof, build_component_ref,
1786 build_indirect_ref, build_array_ref, convert_arguments,
1787 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
1788 * calls.c (initialize_argument_information): Likewise.
1789 * convert.c (convert_to_integer): Likewise.
1790 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
1791 * dwarfout.c (location_or_const_value_attribute,
1792 output_enumeration_type_die, output_structure_type_die,
1793 output_union_type_die, output_type): Likewise.
1794 * expr.c (safe_from_p, expand_expr): Likewise.
1795 * function.c (assign_parms): Likewise.
1796 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
1797 * tree.c (build_array_type, build_function_type,
1798 build_method_type, build_offset_type, build_complex_type): Likewise.
1799 * c-parse.c, c-parse.h: Regenerated.
1801 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1803 * config/c4x/rtems.h: Include config/rtems.h.
1805 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
1807 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
1808 decl is a FUNCTION_DECL
1810 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
1812 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
1813 function uses output registers. Don't save RP for leaf functions.
1814 Do save RP even if no epilogue.
1815 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
1816 (CALL_USED_REGISTERS): Unmark in registers.
1817 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
1820 2000-03-20 Geoff Keating <geoffk@cygnus.com>
1822 * config/rs6000/rs6000.md (bunordered): New expander.
1823 (bordered): New expander.
1824 (buneq): New expander.
1825 (bunge): New expander.
1826 (bungt): New expander.
1827 (bunle): New expander.
1828 (bunlt): New expander.
1829 (bltgt): New expander.
1831 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
1832 (ccr_bit_negated_p): New function.
1833 (print_operand): For %C, generate appropriate cror for UNEQ,
1834 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
1836 2000-03-20 Andreas Jaeger <aj@suse.de>
1838 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
1841 * tree.h (safe_for_unsave): Prototype.
1843 2000-03-20 Richard Henderson <rth@cygnus.com>
1845 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
1846 (combine_stack_adjustments_for_block): Don't allow sp references
1847 in the side of a set we're not fixing up.
1848 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
1849 after life_analysis.
1851 2000-03-20 Richard Henderson <rth@cygnus.com>
1853 * calls.c (expand_call): Don't bother generating tail call
1854 sequences if there are pending cleanups. Use
1855 expand_start_target_temps/expand_end_target_temps to elide
1856 cleanups created during sibcall expansion.
1858 2000-03-20 Geoff Keating <geoffk@cygnus.com>
1860 * configure.in: Set $IFS to a value if it doesn't already have one
1861 in the --enable-checking handling.
1862 * configure: Regenerate.
1864 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1866 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
1867 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1870 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
1872 * jump.c (delete_noop_moves): Remove code attempting to
1873 combine stack adjustments.
1875 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1877 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
1878 * except.c (emit_cleanup_handler): Use them.
1879 (expand_end_all_catch): Likewise.
1880 * function.c (fixup_var_refs): Likewise.
1881 (expand_function_end): Clear catch_clauses_last.
1882 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
1883 * except.h (struct eh_status): New field x_catch_clauses_last.
1884 (catch_clauses_last): New define.
1886 * Makefile.in (tree.o): Depend on HASHTAB_H.
1887 * tree.c: Include hashtab.h.
1888 (struct type_hash): Remove next field.
1889 (TYPE_HASH_SIZE): Remove.
1890 (TYPE_HASH_INITIAL_SIZE): New define.
1891 (type_hash_table): Change type to htab_t.
1892 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
1893 mark_hash_entry): New functions.
1894 (init_obstacks): Allocate type hash.
1895 (type_hash_lookup): Use htab functions.
1896 (type_hash_add, mark_type_hash): Likewise.
1897 (dump_tree_statistics): Call print_type_hash_statistics.
1899 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1901 * rs6000/t-aix41: New file.
1903 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
1905 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
1907 * tm.texi (Driver): Fix typos and tweak entry for
1909 Move misplaced STRUCT_FORCE_BLK entry ...
1910 (Storage Layout): ... to here.
1911 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
1913 2000-03-19 Richard Henderson <rth@cygnus.com>
1915 * flow.c (delete_block): Delete the addr_vec along with the block.
1916 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
1919 * fold-const.c (extract_muldiv): Apply type check for defined
1920 overflow to multiply as well as divide.
1922 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
1924 2000-03-18 Mark Mitchell <mark@codesourcery.com>
1926 * emit-rtl.c (remove_unncessary_notes): Check that all
1927 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
1928 associated NOTE_BLOCK.
1929 * function.h (identify_blocks): Update comments.
1930 (reorder_blocks): Declare.
1931 * function.c (identify_blocks): Don't take paramters.
1932 (reorder_blocks): Don't take parameters.
1933 * loop.h (find_loop_tree_blocks): Remove.
1934 (unroll_block_trees): Likewise.
1935 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
1936 reorder_blocks instead of unroll_block_trees.h
1937 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
1938 * stmt.c (find_loop_tree_blocks): Remove.
1939 (unroll_block_trees): Likewise.
1940 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
1941 in whole-function mode.
1942 * tree.h (reorder_blocks): Remove declaration.
1944 * expr.c: Include intl.h.
1945 * Makefile.in (expr.o): Depend on intl.h.
1947 2000-03-18 Richard Henderson <rth@cygnus.com>
1949 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
1951 2000-03-18 Mark Mitchell <mark@codesourcery.com>
1953 * tree.h (tree_index): Remove enumerals for integer types.
1954 (integer_type_kind): New type.
1955 (integer_types): New variable.
1956 (char_type_node): Adjust.
1957 (signed_char_type_node): Likewise.
1958 (unsigned_char_type_node): Likewise.
1959 (short_integer_type_node): Likewise.
1960 (short_unsigned_type_node): Likewise.
1961 (integer_type_node): Likewise.
1962 (unsigned_type_node): Likewise.
1963 (long_integer_type_node): Likewise.
1964 (long_unsigned_type_node): Likewise.
1965 (long_long_integer_type_node): Likewise.
1966 (long_long_unsigned_type_node): Likewise.
1967 * tree.c (integer_types): New variable.
1968 (init_obstacks): Register it as a root.
1970 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
1972 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
1973 NEXT_INSN. Update last insn in chain.
1975 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
1977 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
1978 with TYPE_DECL_SUPPRESS_DEBUG set.
1980 2000-03-18 Richard Henderson <rth@cygnus.com>
1982 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
1984 2000-03-18 Richard Henderson <rth@cygnus.com>
1986 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
1987 care for HALF_PIC_P.
1988 (expander_call_insn_operand): Remove.
1989 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
1990 * i386.h (PREDICATE_CODES): Update.
1991 * i386.md (all call expanders): Remove predicates, remove special
1992 handling for half-pic.
1993 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
1994 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
1995 (sibcall_epilogue): New.
1997 2000-03-17 Richard Henderson <rth@cygnus.com>
1999 * rtlanal.c (single_set): Reject if the parallel has anything
2000 except SET or USE or CLOBBER.
2002 2000-03-17 Jeff Law <law@cygnus.com>
2003 Richard Henderson <rth@cygnus.com>
2005 * Makefile.in (OBJS): Add sibcall.o.
2007 * sibcall.c: New file.
2008 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2009 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2010 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2011 Emit sibcall patterns when requested. Update all callers.
2012 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2013 elimination seems feasable.
2014 * final.c (leaf_function_p): Sibling calls don't discount being
2016 * flow.c (HAVE_sibcall_epilogue): Provide default.
2017 (find_basic_blocks_1): Sibling calls don't throw.
2018 (make_edges): Make edge from sibling call to EXIT.
2019 (propagate_block): Don't remove sibcall_epilogue insns.
2020 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2021 (sibcall_epilogue): New.
2022 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2023 (identify_blocks_1): Likewise. Break out from ...
2024 (identify_blocks): ... here.
2025 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2026 (reorder_blocks): ... here.
2027 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2028 (record_insns): Extend a varray instead of mallocing new memory.
2029 (contains): Read a varray not array of ints.
2030 (sibcall_epilogue_contains): New.
2031 (thread_prologue_and_epilogue_insns): Emit and record
2032 sibcall_epilogue patterns.
2033 (init_function_once): Allocate prologue/epilogue varrays.
2034 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2035 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2037 (save_for_inline_nocopy): ... here.
2038 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2040 (expand_inline_function): ... here.
2041 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2042 (subst_constants): Handle 'n' formats.
2043 * jump.c (jump_optimize_minimal): New.
2044 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2045 optimizations if it's set.
2046 * rtl.c (copy_rtx): Do copy jump & call for insns.
2047 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2048 (SIBLING_CALL_P): New.
2049 (sibcall_use_t): New.
2050 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2051 Invoke optimize_sibling_and_tail_recursive_calls.
2052 * tree.c (lang_safe_for_unsave): New.
2053 (safe_for_unsave): New.
2054 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2056 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2057 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2058 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2060 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2062 * objc/objc-act.c (encode_method_prototype): Pass types, not
2063 PARM_DECLs, to int_size_in_bytes.
2065 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2067 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2069 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2070 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2072 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2074 * Clean up usages of TREE_INT_CST_LOW.
2075 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2076 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2078 * c-tree.h (min_precision): Move declaration to here.
2079 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2080 (build_unary_op, add_pending_init): Use bit_position.
2081 (pending_init_member, process_init_element): Likewise.
2082 (really_start_incremental_init, push_init_level, pop_init_level):
2083 Don't make copies of nodes or modify them in place, use consistent
2084 types when tracking positions, and use tree routines computations.
2085 (set_init_index, output_init_element): Likewise.
2086 (output_pending_init_elements, process_init_element): Likewise.
2087 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2088 tree_low_cst and int_bit_position; also minor cleanup.
2089 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2090 (print_cst_octal): Precision is unsigned.
2091 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2092 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2093 (simple_type_align_in_bits): Result is unsigned int.
2094 Use tree_int_low_cst and host_integerp.
2095 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2096 (field_byte_offset): Result is HOST_WIDE_INT.
2097 Change types of internal variables so alignments are unsigned int,
2098 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2099 Use host_integerp, tree_low_cst, and int_bit_position.
2100 (add_bit_offset_attribute): Likewise.
2101 (add_data_member_location_attribute): Use tree_cst_low.
2102 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2103 (add_bit_size_attribute): Use tree_low_cst.
2104 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2105 * dwarfout.c: Similar changes to dwarf2out.c.
2106 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2107 * genoutput.c (n_occurences): Return -1 for null string.
2108 (strip_whitespace): Accept null string and make into function.
2109 (scan_operands): Reflect above changes.
2110 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2111 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2112 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2113 * tree.c (int_size_in_bytes): Check for too big to represent.
2114 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2115 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2117 (min_precision): Delete from here.
2118 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2119 and int_bit_position.
2120 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2121 (encode_method_def): Likewise.
2122 (build_ivar_list_initializer): Use int_bit_position.
2123 (generate_shared_structures): Convert size.
2124 (encode_type, encode_complete_bitfield): Use integer_zerop.
2125 (encode_bitfield): Use tree_low_cst and int_bit_position.
2127 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2129 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2131 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2133 * call.c (special_function_p): It is only malloc if it returns
2136 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2138 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2139 (C33_FLAG, TARGET_C3X): Add macros.
2140 (TARGET_SWITCHES): Add -m33 option.
2141 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2143 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2145 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2146 (PARALLEL_PACK_FLAG): Delete.
2147 (TARGET_SWITCHES): Update.
2148 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2150 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2152 * fold-const.c (fold): Fix a few cases when the returned result
2153 is not of the same type as the input.
2155 2000-03-16 Nick Clifton <nickc@cygnus.com>
2157 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
2160 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2162 * libgcc2.h: Move prototypes above macros with the same name.
2163 Wrap some function prototypes in the conditional which indicates
2164 whether they are supported, i.e. "BITS_PER_UNIT == 8".
2166 2000-03-16 Richard Henderson <rth@cygnus.com>
2168 * calls.c: Revert last two changes.
2170 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
2172 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
2173 has exponent 0 is a zero.
2175 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
2176 HASH may already be nonzero. Add code/mode into hash value
2177 immediately after repeat label.
2178 (cselib_lookup): Don't leave the hash table in an inconsistent
2179 state before a hash lookup operation.
2181 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
2183 * i386.md (all HI and QI mode non-move patterns): Conditionize
2184 by TARGET_[HQ]IMODE_MATH.
2185 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2186 x86_promote_qi_regs): Declare.
2187 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
2188 TARGET_PROMOTE_QI_REGS): New macros.
2189 (PROMOTE_MODE): New macro.
2190 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2191 x86_promote_qi_regs): New global variables.
2193 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
2195 * calls.c (emit_library_call_value_1): Break out from ...; handle
2196 VOIDmode function calls too.
2197 (emit_library_call_value): ... here.
2198 (emit_library_call): Implement by calling emit_library_call_value_1.
2200 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
2202 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
2203 Update arg_space_so_far on stack adjustments.
2204 (emit_library_call, emit_library_call_value): Likewise; take into
2205 account arg_space_so_far and pending_stack_adjust when calculcating
2208 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
2210 * flow.c: Move all basic block reordering code into its own file.
2211 (create_basic_block): Externalize.
2212 * bb-reorder.c: New file. Copy all basic block reordering code from
2213 flow.c to this file.
2214 (reorder_basic_blocks): Fix fencepost error in for-loop.
2215 (reorder_basic_blocks): Remove braces from single statement for-loops.
2216 * basic-block.h: Add declaration for create_basic_block.
2217 * Makefile.in: Add rules for bb-reorder.o.
2219 2000-03-16 Neil Booth <NeilB@earthling.net>
2221 * cppinit.c (handle_option): Implement #unassert directive
2222 as -A- command line option.
2223 (print_help): Update.
2224 * cpptexi.c: Update.
2226 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
2228 * md.texi (Standard Names): Document `jump'.
2230 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2232 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
2235 2000-03-15 Geoff Keating <geoffk@cygnus.com>
2237 See the ChangeLog on the branch for more details.
2239 * configure.in: Merge in changes from newppc-branch.
2240 * configure: Regenerate.
2241 * config/rs6000/*: Merge in changes from newppc-branch.
2242 Also correct copyright notices.
2244 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
2246 * acconfig.h (HAVE_GAS_WEAK): New define.
2247 * configure.in (assembler weak support): Check for .weak support.
2248 * config.in, configure: Rebuilt.
2249 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
2250 HAVE_GAS_WEAK is defined.
2252 2000-03-15 Nick Clifton <nickc@cygnus.com>
2254 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
2257 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
2259 * cppfiles.c (open_include_file): New function.
2260 (find_include_file, cpp_read_file): Use it.
2262 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2264 * cpphash.c (dump_hash_helper): Take the slot, not the element.
2266 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
2268 * flow.c (verify_flow_info): Check for unconditional return.
2270 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
2272 * config/ia64/ia64.md (restore_stack_nonlocal): New.
2273 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
2274 (__ia64_restore_stack_nonlocal): New.
2275 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
2277 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2279 * cpphash.c (collect_formal_parameters): Do not complain about
2280 parameter names that just start with `__VA_ARGS__'.
2282 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
2284 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
2285 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
2286 * i386.c (pentiumpro_cost): Set mul cost to 4.
2287 (x86_use_movx): Set for PPro.
2289 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
2291 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
2292 STACK_BOUNDARY for empty frames now.
2294 2000-03-14 Mark Mitchell <mark@codesourcery.com>
2296 * stor-layout.c (layout_union): Remove.
2297 (layout_union_field): New function, split out from layout_union.
2298 (finish_union_layout): Likewise.
2299 (layout_field): Handle unions by calling layout_union_field.
2300 (finish_record_layout): Handle unions.
2301 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
2302 QUAL_UNION_TYPE handling.
2304 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
2306 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
2307 end of basic block is jump_insn, not barrier; use create_basic_block
2308 instead of creating basic block by hand.
2310 2000-03-14 Jason Eckhardt <jle@cygnus.com>
2312 * flow.c (reorder_basic_blocks): Account for barriers when writing
2313 over NEXT_INSN (last_bb->end).
2314 (verify_flow_info): Add check for missing barriers.
2316 2000-03-14 Greg McGary <gkm@gnu.org>
2318 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
2319 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
2320 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
2321 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
2322 __unbounded, __unbounded__): New keywords.
2323 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
2324 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2325 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2327 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
2329 * cselib.h: New file.
2330 * alias.c: Include "cselib.h".
2331 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
2332 MEMs as two new arguments.
2333 (get_addr): New static function.
2334 (find_base_term): Handle VALUEs.
2335 (memrefs_conflict_p): Likewise.
2336 (true_dependence): Call get_addr on the addresses.
2337 Call fixed_scalar_and_varying_struct_p with addresses that have been
2338 passed through get_addr and canon_rtx.
2339 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
2340 with true_dependence.
2341 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
2342 * loop.c: Include "cselib.h".
2343 (load_mems): Process extended basic block that enters the loop with
2344 cselib. Use that information to change initialization of the shadow
2345 register so that a constant equivalence is seen by later passes.
2346 * reload1.c: Include "cselib.h".
2347 (reload_cse_invalidate_regno): Delete function.
2348 (reload_cse_mem_conflict_p): Likewise.
2349 (reload_cse_invalidate_mem): Likewise.
2350 (reload_cse_invalidate_rtx): Likewise.
2351 (reload_cse_regno_equal_p): Likewise.
2352 (reload_cse_check_clobber): Likewise.
2353 (reload_cse_record_set): Likewise.
2354 (reg_values): Delete static variable.
2355 (invalidate_regno_rtx): Likewise.
2356 (reload_cse_delete_noop_set): New static function.
2357 (reload_cse_simplify): New static function, broken out of
2359 (reload_cse_noop_set_p): Delete unused argument INSN.
2360 Just call rtx_equal_for_cselib_p on set source and destination.
2361 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
2362 reload_cse_delete_noop_set. Delete code to keep track of values; use
2363 cselib functions instead. Delete code to push/pop obstacks.
2364 (reload_cse_simplify_set): Use cselib to find equivalent values.
2365 Delete code to push/pop obstacks.
2366 (reload_cse_simplify_operands): Likewise.
2367 * rtl.def (VALUE): New rtx code.
2368 * rtl.h (union rtunion_def): New elt rt_cselib.
2369 (X0CSELIB, CSELIB_VAL_PTR): New macros.
2370 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
2371 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
2372 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
2373 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
2374 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
2375 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
2376 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
2377 cselib_record_set, cselib_record_sets): New static functions.
2378 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
2379 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
2380 references_value_p): New functions.
2381 (MAX_USELESS_VALUES, REG_VALUES): New macros.
2382 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
2383 n_useless_values, reg_values, callmem, cselib_obstack,
2384 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
2385 New static variables.
2386 * varray.h (union varray_data_tag): New elt te.
2387 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
2388 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
2391 2000-03-14 Nick Clifton <nickc@cygnus.com>
2393 * gcc.c (do_spec_1): Catch the case where %* is used in a
2394 substitution pattern, but it has not been initialised.
2395 Issue a meaningful error message if an unrecognised operator
2396 is encountered in a spec string.
2398 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
2400 * function.c (prepare_function_start): Correctly initialize
2401 cfun->stack_alignment_needed.
2403 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
2405 * cppfiles.c (find_include_file): Don't assume nshort is a
2408 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
2410 * configure.in (hppa configurations): Add pa32-regs.h to the
2411 list of tm files as appropriate.
2412 * configure: Rebuilt.
2413 * pa.c (compute_frame_size): Remove explicit knowledge about FP
2415 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
2416 (fmpyaddoperands, fmpysuboperands): Likewise.
2417 * pa.h: Remove various definitions which depend on knowing
2418 how registers are numbered.
2419 * pa32-regs.h: New file with PA32 register numbering specific
2422 2000-03-14 Richard Henderson <rth@cygnus.com>
2424 * regmove.c (combine_stack_adjustments): New.
2425 (stack_memref_p, single_set_for_csa): New.
2426 (free_csa_memlist, record_one_stack_memref): New.
2427 (try_apply_stack_adjustment): New.
2428 (combine_stack_adjustments_for_block): New.
2429 * rtl.h (combine_stack_adjustments): Declare.
2430 * toplev.c (rest_of_compilation): Call it.
2432 * i386.md: Revert 2000-01-16 change.
2434 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2436 * gccbug.in: Add web category, gcc specific classes.
2438 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
2440 * stor-layout.c (finalize_record_size): Fix typo.
2442 2000-03-14 Stan Shebs <shebs@apple.com>
2444 * c-typeck.c (c_alignof): Error on incomplete types.
2445 * extend.texi (Alignment): Document this.
2447 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2449 * cppfiles.c: Include mkdeps.h.
2450 (find_include_file, read_include_file): Remove _cpp_ prefix
2451 from name, make static.
2452 (_cpp_execute_include): New function, broken out of
2455 * cpplib.c: Don't include mkdeps.h.
2456 (struct directive): Remove type field. Reorder entries. The
2457 function takes only one argument.
2458 (struct if_stack): Make type field an int.
2459 (directive_table): Rename to dtable. Generate it, the
2460 prototypes of the directive handlers, and the enum for the
2461 directive numbers, from a template macro.
2462 (do_ifndef, do_include_next, do_import): New functions.
2463 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
2464 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
2465 do_ident, do_assert, do_unassert, do_sccs): Take only one
2467 (do_sccs): Define always, but alter behavior based on
2469 (_cpp_handle_directive, consider_directive_while_skipping):
2470 Restructure for new directive table layout.
2472 (pass_thru_directive): Take a directive number, not a pointer
2473 to a struct directive.
2474 (parse_include): New function, broken out of do_include.
2475 (do_include, do_import, do_include_next): Use parse_include
2476 and _cpp_execute_include.
2477 (do_elif, do_else): Test for T_ELSE specifically when checking
2478 for #elif/#else after #else.
2479 (parse_ifdef): New function, broken out of do_ifdef.
2480 (validate_else): Expect a name arg without a leading #.
2481 (if_directive_name): Delete.
2482 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
2483 directive handlers with only one argument.
2485 * cpphash.h: Update prototypes.
2486 (enum node_type): Remove entries for directives.
2487 * Makefile.in: Update dependencies.
2489 * cpphash.c (dump_hash_helper): Only dump nodes of type
2490 T_MACRO. Emit a newline after each definition.
2492 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2494 * gccbug.in: New file.
2495 * configure.in (all_outputs): Add gccbug.
2496 * Makefile.in (install-common): Install gccbug.
2497 (GCCBUG_INSTALL_NAME): New variable.
2498 * configure: Rebuilt.
2500 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
2502 * function.c (put_var_into_stack): Use type_for_mode to calculate
2503 part_type. Use MEM_SET_IN_STRUCT_P.
2504 * expr.c (store_field): Handle CONCAT.
2505 (store_constructor): Use fields_length.
2506 * tree.c (fields_length): New fn.
2507 * tree.h: Declare it.
2509 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2511 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
2512 (cpplex.o): New target.
2513 * po/POTFILES.in: Add cpplex.c.
2515 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
2516 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
2517 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
2518 skip_block_comment, skip_line_comment, skip_comment,
2519 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
2520 _cpp_parse_name, skip_string, parse_string,
2521 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
2522 _cpp_get_directive_token, find_position,
2523 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
2524 (maybe_macroexpand, _cpp_lex_token): New functions.
2526 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
2527 parse_goto_mark): Delete.
2528 (_cpp_handle_eof): New function.
2529 (_cpp_handle_directive): Rename from handle_directive.
2530 (_cpp_output_line_command): Rename from output_line_command.
2531 (do_if, do_elif): Call _cpp_parse_expr directly.
2532 * cppfiles.c (_cpp_read_include_file): Don't call
2533 init_input_buffer here.
2534 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
2535 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
2536 here; pop the token_buffer and skip the rest of the line here.
2537 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
2540 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
2542 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
2543 CPP_GOTO_MARK): New macros.
2544 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
2545 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
2546 _cpp_read_and_prescan, _cpp_init_input_buffer,
2547 _cpp_grow_token_buffer, _cpp_get_directive_token,
2548 _cpp_handle_directive, _cpp_handle_eof,
2549 _cpp_output_line_command): Prototype them here.
2550 * cpplib.h (enum cpp_token): Add CPP_MACRO.
2551 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
2552 quote_string, output_line_command): Remove.
2554 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
2556 * stmt.c (expand_end_case): RANGE may be signed, and when checking
2557 whether it is too large we must also verify that it isn't negative.
2559 2000-03-13 Jakub Jelinek <jakub@redhat.com>
2561 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
2562 (movsi_zero_liveg0): Remove.
2563 (movsf_insn_novis_liveg0): Remove.
2565 (negsi2_not_liveg0): Rename to negsi2.
2566 (one_cmplsi2): Remove.
2567 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
2568 (one_cmplsi2_liveg0): Remove.
2569 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
2570 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
2571 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
2572 (PREDICATE_CODES): Remove zero_operand.
2573 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
2574 TARGET_BROKEN_SAVERESTORE.
2575 (zero_operand): Remove.
2576 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
2577 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
2579 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2580 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
2581 TARGET_BROKEN_SAVERESTORE): Remove.
2582 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2584 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2586 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
2589 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
2591 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
2593 * cpplib.c (do_pragma_implementation): Fix off-by-one error
2594 truncating a string. Don't assume tokens are nul terminated.
2595 Problem noted by Andreas Jaeger <aj@suse.de>
2597 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
2599 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
2600 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
2601 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
2603 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
2605 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
2606 STRUCTURE_SIZE_BOUNDARY.
2608 2000-03-13 Mark Mitchell <mark@codesourcery.com>
2610 * tree.h (record_layout_info_s): New structure.
2611 (record_layout_info): New type.
2612 (new_record_layout_info): New function.
2613 (layout_field): Likewise.
2614 (finish_record_layout): Likewise.
2615 * stor-layout.c (layout_record): Remove.
2616 (new_record_layout_info): New function.
2617 (layout_field): New function, broken out from layout_record.
2618 (finalize_record_size): Likewise.
2619 (compute_record_mode): Likewise.
2620 (finalize_type_size): New function, broken out from layout_type.
2621 (finish_record_layout): Likewise.
2622 (layout_type): Use them.
2624 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
2626 * cpphash.c: Don't include version.h.
2627 (special_symbol) [case T_VERSION]: Look for the string in
2628 hp->value.cpval; don't use version_string.
2629 * cppinit.c (initialize_builtins): Set hp->value.cpval for
2630 __VERSION__ to version_string.
2631 * Makefile.in (cpphash.o): Update deps.
2633 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
2635 Convert cpplib to use libiberty/hashtab.c.
2637 * cpplib.h (struct cpp_reader): Make hashtab and
2638 all_include_files of type 'struct htab *'. Delete HASHSIZE
2639 and ALL_INCLUDE_HASHSIZE macros.
2641 * cpphash.h: Update prototypes.
2642 (struct hashnode): Remove next, prev, and bucket_hdr members.
2643 Make length a size_t. Add hash member.
2644 (struct ihash): Remove next member. Add hash member. Make
2645 name a flexible array member.
2647 * cppfiles.c: Include hashtab.h.
2648 (include_hash): Delete.
2649 (IHASHSIZE): New macro.
2650 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
2651 (cpp_included): Do the hash lookup here.
2652 (_cpp_find_include_file): Rewrite.
2653 (cpp_read_file): Put the "fake" hash entry into the hash
2654 table. Honor the control_macro, if it turns out we've seen
2655 the file before. Don't push the buffer here.
2656 (_cpp_read_include_file): Push the buffer here.
2657 (OMODES): New macro. Use it whenever we call open(2).
2659 * cpphash.c: Include hashtab.h.
2660 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
2661 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
2662 _cpp_lookup_slot): New functions.
2663 (HASHSIZE): new macro.
2664 (hashf, _cpp_install, _cpp_delete_macro): Delete.
2665 (_cpp_lookup): Use hashtab.h routines.
2667 * cppinit.c: Include hashtab.h.
2668 (cpp_reader_init): Call _cpp_init_macro_hash and
2669 _cpp_init_include_hash. Don't allocate hashtab directly.
2670 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
2671 pfile->all_include_files.
2672 (initialize_builtins): Use _cpp_make_hashnode and
2673 htab_find_slot to add hash entries.
2674 (cpp_finish): Just call _cpp_dump_macro_hash.
2675 * cpplib.c: Include hashtab.h.
2676 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
2677 create hash entries.
2678 (do_pragma_poison, do_assert): Likewise.
2679 (do_include): Don't push the buffer here. Don't increment
2680 system_include_depth unless _cpp_read_include_file succeeds.
2681 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
2683 (do_pragma_implementation): Use alloca to create copy.
2685 * Makefile.in: Update dependencies.
2687 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * cppinit.c (cl_directive_handler): More K&R fixing.
2691 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
2693 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
2695 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
2697 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2699 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
2700 Change from char[] to macros.
2702 2000-03-12 Neil Booth <NeilB@earthling.net>
2704 * cppinit.c (cpp_start_read): Update indirect function
2707 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
2709 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
2712 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2713 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
2715 2000-03-11 Neil Booth <NeilB@earthling.net>
2717 * cppinit.c (struct pending option): Replace undef with a
2718 pointer to a directive handling routine.
2719 (struct cpp_pending): Replace separate assert_ and define_
2720 lists with one directive_ list.
2721 (new_pending_define): Rename new_pending_directive. Extra
2722 argument is the directive's handling routine.
2723 (handle_option): Update to use new_pending_directive.
2725 2000-03-11 Neil Booth <NeilB@earthling.net>
2727 * cppfiles.c (file_cleanup, _cpp_find_include_file,
2728 remap_filename, _cpp_read_include_file, actual_directory,
2729 hack_vms_include_specification): Replace bcopy(), index() etc
2730 calls. Add casts to some allocations. Make some variables
2731 pointers to const [unsigned] char.
2732 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
2733 collect_formal_parameters): Similarly.
2734 * cppinit.c (struct pending_option, append_include_chain,
2735 cpp_options_init, cpp_reader_init, initialize_standard_includes,
2736 cpp_start_read, new_pending_define, handle_option): Similarly.
2737 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
2738 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
2739 do_pragma_implementation, detect_if_not_defined,
2740 do_ifdef, skip_if_group, cpp_get_token, parse_string,
2741 do_assert, do_unassert): Similarly.
2742 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
2743 function prototypes.
2744 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
2746 2000-03-10 Richard Henderson <rth@cygnus.com>
2748 * builtins.c (expand_builtin_strlen): Revert last change.
2749 Use emit_insn_before if we're at the beginning of a sequence.
2751 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
2753 * builtins.c (expand_builtin_strlen): Make sure that we have something
2754 at the beginning of the sequence.
2756 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
2759 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
2761 2000-03-10 Richard Henderson <rth@cygnus.com>
2763 * except.c (can_throw): Use INTVAL on a CONST_INT.
2764 (reachable_handlers): Likewise.
2765 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
2767 2000-03-10 Andreas Jaeger <aj@suse.de>
2769 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
2770 MD_STARTFILE_PREFIX since those are not needed on linux.
2771 (ASM_FILE_START): New, from mips/gnu.h.
2773 2000-03-09 Richard Henderson <rth@cygnus.com>
2774 Alex Samuel <samuel@codesourcery.com> and others
2776 * Makefile.in (ssa.o): New rule.
2778 (STAGESTUFF): Add *.ssa and *.ussa.
2779 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
2780 * rtl.def (PHI): New RTL expression.
2781 * rtl.h (clear_log_links): New declaration.
2782 (convert_to_ssa): Likewise.
2783 (convert_from_ssa): Likewise.
2784 * flow.c (split_edge): If the entry node falls through to the
2785 split edge's source block, split the entry edge.
2786 (clear_log_links): New function.
2787 * toplev.c (ssa_dump): New variable.
2788 (flag_ssa): Likewise.
2789 (f_options): Add "ssa".
2790 (compile_file): Create SSA dump files.
2791 (rest_of_compilation): Go to and from SSA if enabled.
2792 (decide_d_option): Handle -de for SSA dump files.
2795 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
2797 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
2800 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
2802 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
2804 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
2806 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
2807 (MD_STARTFILE_PREFIX_1): New macro.
2809 2000-03-09 Robert Lipe <robertl@sco.com>
2811 * config/ia64/ia64.c: Include system.h.
2813 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
2815 * except.c (nothrow_function_p): If -fno-exceptions, just return.
2816 (init_eh_nesting_info): Likewise.
2818 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
2819 (TREE_NOTHROW): Rename from TREE_RAISES.
2820 * toplev.c (rest_of_compilation): Set it.
2821 * print-tree.c (print_node): Adjust.
2822 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
2823 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
2824 * calls.c (emit_call_1): Add 'nothrow' parm. Add
2825 REG_EH_REGION note as appropriate.
2826 (libfunc_nothrow): New fn.
2827 (emit_library_call, emit_library_call_value): Use it.
2828 (expand_call): Check TREE_NOTHROW.
2830 * varasm.c (make_decl_rtl): Skip initial '*' when setting
2831 DECL_ASSEMBLER_NAME.
2833 2000-03-09 Andreas Jaeger <aj@suse.de>
2835 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
2836 (TARGET_MEM_FUNCTIONS): Define.
2838 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
2840 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
2842 * except.c (can_throw): See through a SEQUENCE.
2843 (nothrow_function_p): New fn.
2844 * except.h: Declare it.
2845 * function.c (current_function_nothrow): New var.
2846 (prepare_function_start): Initialize it.
2847 * output.h: Declare it.
2848 * toplev.c (rest_of_compilation): Set it.
2849 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
2851 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
2853 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
2854 match. (cpp_compare_defs): Count the nul separator when
2855 advancing over argument names.
2857 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
2859 * recog.c (preprocess_constraints): Matching constraints affect
2860 same alternative/different operand, not same operand/different
2863 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
2864 register and a constant specially.
2866 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2868 * libgcc2.h: New file.
2869 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
2871 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
2873 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
2874 * configure: Regenerate.
2877 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
2879 * Makefile.in (LIBCPP_DEPS): New macro.
2880 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
2882 * cpperror.c: Include cpphash.h.
2883 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
2885 (lex): Don't use CPP_WARN_UNDEF.
2886 (_cpp_parse_expr): Return an int, the truth value.
2887 * cppfiles.c: Include cpphash.h.
2888 (_cpp_merge_include_chains): Move to cppinit.c and make static.
2889 * cppinit.c (include_defaults_array): Disentangle.
2890 (cpp_cleanup): Don't free the if stack here.
2891 (cpp_finish): Pop off all buffers, not just one.
2892 * cpplib.c (eval_if_expr): Return int.
2893 (do_xifdef): Rename do_ifdef.
2894 (handle_directive): Don't use CPP_PREPROCESSED.
2895 (cpp_get_token): Don't use CPP_C89.
2896 * fix-header.c: Don't use CPP_OPTIONS.
2898 * cpplib.h: Move U_CHAR, enum node_type, struct
2899 file_name_list, struct ihash, is_idchar, is_idstart,
2900 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
2901 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
2902 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
2903 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
2904 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
2905 of _cpp_simplify_pathname, _cpp_find_include_file,
2906 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
2907 Move struct if_stack to cpplib.c. Move struct cpp_pending to
2909 Change all uses of U_CHAR to be unsigned char instead.
2910 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
2912 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
2914 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
2915 (dwarf2out_begin_prologue): Set it.
2916 (output_call_frame_info): Don't emit EH unwind info for leaves.
2918 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
2919 can occur outside of an EH region.
2920 * except.c: Correct comments about rethrow behavior.
2921 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
2923 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
2925 * flow.c (make_edges): Always call make_eh_edge for calls.
2927 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
2929 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
2930 (struct cpp_buffer): Remove fname and underflow fields.
2931 (struct cpp_reader): Remove get_token field.
2932 (struct include_hash): Rename to struct ihash. Add typedef to
2934 (struct if_stack): Remove fname field.
2935 (IF_STACK_FRAME): Rename to IF_STACK.
2937 * cpperror.c (print_containing_files): Trust that there are no
2938 macro buffers below the top file buffer.
2939 * cppfiles.c: Replace all references to 'struct include_hash'
2940 with 'IHASH'. Rename initialize_input_buffer to
2941 init_input_buffer. Don't set or reference cpp_buffer->fname,
2942 use buffer->ihash->name instead.
2943 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
2944 not CPP_NULL_BUFFER.
2945 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
2946 IF_STACK_FRAME, IHASH not struct include_hash.
2947 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
2948 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
2949 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
2950 references to cpp_buffer->fname (delete entirely, or use
2951 ->ihash->name instead) and IF_STACK->fname.
2952 (cpp_push_buffer): Don't set new->underflow.
2953 (do_include): Use cpp_file_buffer.
2955 * cpphash.c (collect_formal_parameters): Remove duplicate
2956 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
2957 used as a macro argument name. Don't append "..." to namebuf
2958 for varargs macros. After we're done scanning, go through
2959 namebuf and make it NUL separated, not comma separated.
2960 (_cpp_compare_defs): Remove register tag from variables.
2961 Expect defn->argnames to be NUL separated.
2962 (_cpp_dump_definition): Expect defn->argnames to be NUL
2963 separated and in forward order.
2964 * cpphash.h: Update documentation of argnames field.
2966 2000-03-08 Richard Henderson <rth@cygnus.com>
2968 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
2969 to fail. Don't pre-expand the source operand.
2971 * i386.md (strlensi): Initialize eoschar and align before use.
2973 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
2975 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
2976 CONSTRUCTOR element.
2978 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
2980 * mips.c (mips_expand_prologue): If the last
2981 named argument is the vararg marker "va_list", treat it as
2982 an unnamed argument.
2984 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
2986 * dbxout.c (dbxout_parms): When correcting for promoted
2987 big-endian parameters, use the mode of the DECL_RTL rather
2988 than UNITS_PER_WORD.
2990 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
2992 * c-common.h (make_fname_decl): Declare.
2993 * c-common.c (make_fname_decl): Define.
2994 (declare_hidden_char_array): Remove.
2995 (declare_function_name): Use make_fname_decl.
2996 * c-decl.c (c_make_fname_decl): New function.
2997 (init_decl_processing): Set make_fname_decl.
2999 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
3001 * cccp.c (handle_directive): Initialize backslash_newlines_p.
3003 2000-03-07 Philipp Thomas <pthomas@suse.de>
3005 * po/POTFILES.in: Remove cppalloc.c from file list.
3007 2000-03-07 Steve Chamberlain <sac@pobox.com>
3009 * pj.c (pj_expand_prologue): current_function->args_info is
3010 now current_function_args_info.
3012 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
3013 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
3014 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
3016 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3018 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
3019 output as hexadecimal rather than the default octal.
3021 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3023 * cpphash.c (special_symbol): Fix thinko in previous commit.
3025 2000-03-07 Neil Booth <NeilB@earthling.net>
3027 * cppexp.c (struct operation, left_shift, right_shift,
3028 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
3029 "int"s to "unsigned int"s.
3030 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
3032 * cpplib.h: Update for above.
3033 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
3034 returned from allocations.
3036 * cppinit.c (opt_comp, parse_options): New functions.
3037 (handle_option): Use parse_option to parse a single command
3038 line option, that possibly takes an argument.
3039 (cpp_handle_options): Sort the array of command line options on
3040 first invocation (non-ASCII hosts only).
3041 (print_help): Update.
3043 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3045 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
3046 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
3048 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
3050 * cppinit.c (cpp_cleanup): Free imp->nshort also.
3052 * cpperror.c (cpp_print_containing_files,
3053 cpp_print_file_and_line, v_cpp_message): Rename to
3054 print_containing_files, print_file_and_line, and v_message.
3055 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
3056 to _cpp_parse_expr, parse_escape, and lex.
3057 (parse_charconst): Remove broken multibyte support.
3058 * cppfiles.c (include_hash): Make static.
3059 (cpp_included): New function.
3060 (merge_include_chains, find_include_file, finclude,
3061 simplify_pathname): Rename to _cpp_merge_include_chains,
3062 _cpp_find_include_file, _cpp_read_include_file, and
3063 _cpp_simplify_pathname.
3064 * cpphash.c (cpp_lookup, free_definition, delete_macro,
3065 cpp_install, create_definition, macroexpand, compare_defs,
3066 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
3067 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
3068 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
3069 * cppinit.c (cpp_handle_option): Rename to handle_option, make
3071 * cpplib.c: Remove extern prototype of cpp_parse_expr.
3073 * cpphash.h: Update prototypes.
3074 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
3076 2000-03-07 Andrew Haley <aph@cygnus.com>
3078 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
3079 PTRDIFF_TYPE should be based solely on Pmode.
3082 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3084 * rtl.h (rtunion_def): Constify member `rtstr'.
3085 (emit_line_note_after, emit_line_note, emit_line_note_force,
3086 emit_note, decode_asm_operands): Constify.
3088 * cse.c (canon_hash): Likewise.
3090 * dbxout.c (dbxout_block): Likewise.
3092 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
3093 v_warning_for_asm): Likewise.
3095 * dwarfout.c (function_start_label): Likewise.
3097 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
3098 emit_line_note_force): Likewise.
3100 * final.c (last_filename, asm_insn_count, final_scan_insn,
3101 output_source_line): Likewise.
3103 * function.h (struct emit_status): Likewise.
3105 * gcse.c (hash_expr_1): Likewise.
3107 * genattr.c (gen_attr, main): Likewise.
3109 * genattrtab.c (struct function_unit, current_alternative_string,
3110 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
3111 attr_numeral, check_attr_test, check_attr_value,
3112 convert_set_attr_alternative, convert_set_attr,
3113 compute_alternative_mask, simplify_by_exploding, gen_attr,
3114 gen_unit): Likewise.
3116 * genflags.c (gen_insn): Likewise.
3118 * gengenrtl.c (type_from_format): Likewise.
3120 * genopinit.c (gen_insn): Likewise.
3122 * genoutput.c (n_occurrences, process_template, process_template):
3125 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3128 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3131 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
3132 ggc_set_mark, ggc_get_size): Likewise.
3134 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
3136 * optabs.c (init_one_libfunc): Likewise.
3138 * output.h (assemble_start_function): Likewise.
3140 * recog.c (decode_asm_operands): Likewise.
3142 * toplev.c (rest_of_compilation): Likewise.
3144 * tree.h (emit_line_note_after, emit_line_note,
3145 emit_line_note_force): Likewise.
3147 * varasm.c (asm_output_bss, asm_output_aligned_bss,
3148 asm_emit_uninitialised, assemble_start_function,
3149 assemble_variable, const_hash, compare_constant_1,
3150 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
3152 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
3154 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
3156 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
3158 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
3160 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
3161 arm_dllimport_name_p): Likewise.
3163 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
3166 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
3168 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3170 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
3171 arm_mark_dllexport, arm_mark_dllimport,
3172 arm_pe_encode_section_info): Likewise.
3174 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
3175 ASM_FINISH_DECLARE_OBJECT): Likewise.
3177 * arm/thumb.c (thumb_function_prologue): Likewise.
3179 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
3181 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3183 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
3185 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
3187 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3189 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3191 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
3192 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
3194 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
3196 * i386/i386.c (asm_output_function_prefix): Likewise.
3198 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
3200 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3202 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
3204 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
3205 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
3206 ASM_OUTPUT_SECTION_NAME): Likewise.
3208 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
3210 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
3212 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
3214 * m32r/m32r.c (m32r_encode_section_info): Likewise.
3216 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3218 * mcore/mcore.c (mcore_encode_section_info): Likewise.
3220 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3222 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3224 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3226 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
3228 * mips/mips.md (movdi, movsi): Likewise.
3230 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3232 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3234 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3236 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3237 ASM_OUTPUT_ASCII): Likewise.
3239 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
3240 output_mi_thunk, output_toc): Likewise.
3242 * rs6000/rs6000.md (movsi): Likewise.
3244 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
3246 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
3248 * v850/v850.c (print_operand, print_operand_address,
3249 v850_encode_data_area): Likewise.
3251 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
3253 * config/mips/mips.md (zero_extendsidi2): Always force operand
3254 one to memory for mips16.
3256 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3258 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
3259 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
3260 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
3261 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
3262 (min_precision): Result is unsigned.
3263 (add_double, neg_double, mul_double): Low word is unsigned.
3264 (lshift_double, rshift_double, lrotate_double): Likewise.
3265 (rrotate_double, div_and_round_double): Likewise.
3266 (tree_floor_log2, compare_tree_int): New functions.
3267 (preserve_rtl_expr_temps): New declaration.
3268 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
3269 (decl_attributes): Use tree_log2 to find alignment.
3270 Check for TREE_INT_CST_HIGH for format args.
3271 (min_precision): Now unsigned.
3272 Use tree_floor_log2.
3273 (truthvalue_conversion): Delete long-disabled code.
3274 * c-decl.c (finish_struct): Clean up tests on field width.
3275 (finish_function): Use compare_tree_int.
3276 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
3277 * c-typeck.c (comptypes): Use tree_int_cst_equal.
3278 (default_conversion, digest_init): Use compare_tree_int.
3279 (build_binary_op): Use integer_all_onesp and compare_tree_int.
3280 Fix type errors in forming masks.
3281 * calls.c (initialize_argument_information): Use compare_tree_int.
3282 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3283 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
3284 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
3285 (store_field): Use compare_tree_int.
3286 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
3287 (expand_expr, case ARRAY_REF): Use compare_tree_int.
3288 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
3289 (do_store_flag): Use compare_tree_int.
3290 * fold-const.c (encode, decode): Low part is always unsigned.
3291 (force_fit_type, add_double, neg_double, mul_double): Likewise.
3292 (lshift_double, rshift_double, lrotate_double): Likewise.
3293 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
3294 (fold_convert): Use compare_tree_int.
3295 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
3296 (invert_truthvalue, case INTEGER_CST): Likewise.
3297 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
3298 * mkdeps.c (deps_dummy_targets): Make I unsigned.
3299 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
3300 (lshift_double, rshift_double, lrotate_double, rrotate_double):
3302 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
3303 (expand_end_case): Use compare_tree_int.
3304 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3305 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
3306 (layout_decl): Likewise.
3307 (layout_record, layout_union): Make sizes unsigned.
3308 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
3309 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
3310 * tree.c (struct type_hash): hashcode is unsigned.
3311 (build_type_attribute_variant, type_hash_list): Likewise.
3312 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
3313 (attribute_hash_list, build_array_type, build_method_type): Likewise.
3314 (build_complex_type): Likewise.
3315 (real_value_from_int_cst): Remove unneeded casts.
3316 (integer_all_onesp): Add casts.
3317 (tree_floor_log2, compare_tree_int): New functions.
3318 (build_index_type): Use tree_int_cst_sgn.
3319 * varasm.c (assemble_variable): Use compare_tree_int.
3321 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
3323 * cpphash.c (collect_expansion): Also catch ## at start of macro.
3325 * varasm.c (make_decl_rtl): Don't add a number to members of
3327 (make_function_rtl): Likewise.
3329 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3331 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
3332 patch from 2000-01-28.
3334 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
3336 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
3337 filled with an insn from the jump target.
3339 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3341 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
3342 (c4x_external_ref): Likewise.
3343 * config/c4x/c4x.c (struct name_list): Likewise.
3345 1999-12-16 Ben Collins <bcollins@debian.org>
3347 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
3348 argument to genmultilib.
3349 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
3350 the contents into the multilib.h header.
3351 * gcc.c: Declare multilib_exclusions for the specs file.
3352 (set_multilib_dir): Use it.
3353 (print_multilib_info): Likewise.
3354 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
3355 to pass to genmultilib.
3357 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3359 * builtins.c (built_in_class_names, built_in_names): Constify a
3362 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
3364 (_mcleanup): Ensure value matches format specifier in sprintf.
3366 * cpphash.c (special_symbol): Don't needlessly cast away
3369 * cppinit.c (base_name): Delete unused prototype.
3371 * mkdeps.c (deps_init): Make definition K&R safe.
3373 * tree.h (built_in_class_names, built_in_names): Constify a
3376 2000-03-06 Jakub Jelinek <jakub@redhat.com>
3378 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
3379 floating point instructions for epilogue delay.
3381 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
3382 to gas if it supports .register pseudo.
3384 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
3385 LONG_DOUBLE_TYPE_SIZE if not defined.
3386 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
3387 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
3389 * gengenrtl.c: Likewise.
3390 * print-rtl.c: Likewise.
3392 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
3393 MASK_LONG_DOUBLE_128.
3394 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
3395 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
3396 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
3397 (SUBTARGET_SWITCHES): Define.
3398 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
3399 with -mlong-double-128.
3400 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3401 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3402 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3403 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
3404 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
3405 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
3406 with -mlong-double-128.
3407 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3408 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3409 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3410 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
3411 TARGET_LONG_DOUBLE_128): Define.
3412 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
3413 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
3414 long double on TARGET_ARCH64.
3416 2000-03-06 Mark Mitchell <mark@codesourcery.com>
3418 * function.c (free_temps_for_rtl_expr): Don't free slots
3419 that have been pushed into a higher level.
3422 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3424 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3426 * basic-block.h (ALLOCA_REG_SET): Remove.
3427 (INITIALIZE_REG_SET): New macro.
3428 * flow.c (update_life_info): Use it.
3429 (calculate_global_regs_live): Likewise.
3430 (propagate_block): Likewise.
3431 * global.c (build_insn_chain): Likewise.
3432 * haifa-sched.c (schedule_region): Likewise.
3434 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
3436 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
3437 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
3438 (DWARF_ARANGES_PAD_SIZE): New define.
3439 (output_aranges): Use it to pad the address range header.
3440 (DWARF_ROUND): Fix for non power of 2 rounding.
3442 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
3444 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
3446 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3448 * tree.def (RTL_EXPR): Update documentation.
3449 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
3450 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
3451 * function.c (preserve_rtl_expr_temp): New function.
3452 (preserve_rtl_expr_temps): Likewise.
3453 (preserve_rtl_expr_result): Use it.
3456 2000-03-04 Mark Mitchell <mark@codesourcery.com>
3458 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
3460 * regmove.c (copy_src_to_dest) Do not create src->dest move
3461 for unchanging destination.
3463 2000-03-04 Mark Mitchell <mark@codesourcery.com>
3465 * function.h (struct sequence_stack): Remove rtl_expr.
3466 (struct emit_staus): Likewise.
3467 (seq_rtl_expr): Remove.
3468 * tree.h (free_temps_for_rtl_expr): Don't declare.
3469 (start_sequence_for_rtl_expr): Likewise.
3470 * rtl.h (preserve_rtl_expr_result): Likewise.
3471 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
3472 (start_sequence_for_rtl_expr): Remove.
3473 (push_topmost_sequence): Don't save sequence_rtl_expr.
3474 (pop_topmost_sequence): Remove comment about not restoring it.
3475 (end_sequence): Don't set seq_rtl_expr.
3476 (init_emit): Don't initialize it.
3477 (mark_sequence_stack): Don't mark it.
3478 (mark_emit_status): Likewise.
3479 * except.c (protect_with_terminate): Use
3480 start_sequence_for_rtl_expr, not start_sequence.
3481 * expr.c (expand_expr, case RTL_EXPR): Don't call
3482 preserve_rtl_expr_result or free_temps_for_rtl_expr.
3483 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
3484 (preserve_rtl_expr_result): Remove.
3485 (free_temps_for_rtl_expr): Likewise.
3486 (pop_temp_slots): Likewise.
3487 (mark_temp_slot): Don't mark the rtl_expr.
3488 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
3489 start_sequence_for_rtl_expr.
3491 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
3493 * mkdeps.c, mkdeps.h: New files.
3494 * po/POTFILES.in: Add them.
3495 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
3496 (cpplib.o, cppinit.o): Depend on mkdeps.h.
3497 (mkdeps.o): New target.
3499 * cppfiles.c: Delete deps_output.
3500 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
3501 OBJECT_SUFFIX, and base_name.
3502 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
3504 (initialize_dependency_output): Use deps_init,
3505 deps_add_target, deps_calc_target, and deps_add_dep. Remove
3506 all the unnecessary string bashing.
3507 (cpp_finish): Use deps_write. Remove an unnecessary nesting
3509 * cpplib.c (do_include): Use deps_add_dep.
3510 * cpplib.h (struct cpp_reader): Replace deps_buffer,
3511 deps_allocated_size, deps_size, deps_column members with
3512 single pointer to a struct deps. Delete prototype of
3515 * cppinit.c: Fix thinko in previous patch.
3517 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3519 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
3520 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
3521 (mode_for_size_tree): New function.
3522 (layout_decl, layout_type): Call it and clean up BLKmode checks.
3523 * tree.h (mode_for_size_tree): New declaration.
3525 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
3527 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
3529 * stmt.c (is_body_block): Move...
3530 * dwarfout.c, dwarf2out.c: ...from here.
3531 * tree.h: Declare it.
3532 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
3533 * final.c (final_start_function): Do call remove_unnecessary_notes
3536 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
3538 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
3540 * cpplib.h (_dollar_ok): New macro.
3541 (is_idchar, is_idstart): Use it.
3542 (IStable): Rename to _cpp_IStable. Declare it const if
3543 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
3544 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
3545 is_space): Update for renamed IStable.
3547 * cppinit.c: Delete all references to FAKE_CONST and CAT
3548 macros. Define init_IStable as empty macro if gcc >=2.7 or
3549 C99. Change TABLE() to ISTABLE and hardcode name of table.
3550 (cpp_start_read): Don't change the IStable based on
3553 * cpphash.c (unsafe_chars): Add pfile argument. All callers
3554 changed. Handle '$' for char1 correctly.
3555 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
3557 * cppexp.c (tokentab2): Make const.
3558 (cpp_lex): Make toktab const.
3559 * cppinit.c (include_defaults_array): Make const.
3560 (initialize_standard_includes): Make default_include const.
3562 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
3564 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
3565 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
3566 (gen_decl_die): Likewise.
3567 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
3568 (output_decl): Likewise.
3570 * varasm.c (make_function_rtl): If we change the name used in the
3571 rtl, update DECL_ASSEMBLER_NAME accordingly.
3572 (make_decl_rtl): Likewise.
3574 * toplev.c (rest_of_compilation): Tweak formatting.
3576 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
3577 remove_unnecessary_notes.
3578 (debug_ignore_block): New fn.
3579 * toplev.h: Declare it.
3580 * emit-rtl.c (remove_unncessary_notes): Call it.
3581 * dwarf2out.c (dwarf2out_ignore_block): New fn.
3582 * dwarf2out.h: Declare it.
3583 * final.c (final_start_function): Don't call remove_unnecessary_notes
3584 if we did insn scheduling.
3586 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
3588 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
3589 * cpplib.h: Delete SET_CPP_PEDANTIC.
3591 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3593 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
3594 result is a RECORD_TYPE.
3596 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
3598 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
3600 2000-03-03 Richard Henderson <rth@cygnus.com>
3602 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
3603 addition over compliments over shifts.
3605 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3607 * reload1.c (reload_combine_note_use): Handle return register USEs.
3608 REG case: Handle multi-hard-register hard regs.
3610 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3612 * md.texi: Document use of '*' in insn pattern name.
3614 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
3616 * calls.c (special_function_p): operator new may not be malloc-like.
3618 * gcse.c (dump_hash_table): Really fix error in last change.
3620 2000-03-02 Denis Chertykov <denisc@overta.ru>
3622 * avr.c (print_operand): Use print_operand_address instead of
3624 * avr/libgcc.S: Cleanup code.
3626 2000-03-02 Richard Henderson <rth@cygnus.com>
3628 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
3630 2000-03-02 Mark Mitchell <mark@codesourcery.com>
3632 * tree.h (TYPE_ALIGN_UNIT): New macro.
3634 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
3636 * i386.c: (constant_call_address_operand): Reject CONST_INT.
3638 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
3640 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
3642 (SET_CPP_PEDANTIC): New macro.
3643 * cpplib.c (do_include): Don't bother checking system_header_p.
3644 (do_warning, do_ident, do_assert, do_unassert): Likewise.
3645 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
3647 * function.h (struct expr_status): Add x_arg_space_so_far.
3648 (arg_space_so_far): New macro.
3649 * expr.c (init_expr): Initialize it.
3650 * calls.c (emit_call_1): Reset it.
3651 (compute_argument_block_size, expand_call): Use it.
3652 (expand_call, store_one_arg): Increment it.
3654 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3656 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
3659 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
3661 * cppfiles.c (cpp_read_file): New function.
3663 * cpphash.c (collect_expansion): Make sure to reset last_token
3664 to NORM when we hit a string. Handle trailing whitespace
3665 properly when the expansion is empty.
3666 (create_definition): Disable line commands while parsing the
3668 (dump_definition): If pfile->lineno == 0, output a line
3669 command ahead of the dump, and add a trailing newline.
3671 * cppinit.c (append_include_chain): Add fifth argument, which
3672 indicates whether or not system headers are C++ aware.
3673 (initialize_standard_includes): New function,
3674 broken out of read_and_prescan. Pass 'cxx_aware' value from
3675 the include_defaults_array on to append_include_chain.
3676 (dump_special_to_buffer): Const-ify char array.
3677 (builtin_array): Don't dump __BASE_FILE__.
3678 (cpp_start_read): Use cpp_read_file. Reorder code for
3679 clarity. Don't output line commands here for -D/-A/-U
3680 switches. Don't call deps_output for files included with
3681 -include or -imacros.
3683 * cpplib.c (do_define): Don't pay any attention to the second
3685 (cpp_expand_to_buffer): Disable line commands while scanning.
3686 (output_line_command): Work in the file buffer.
3687 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
3688 Fix formatting of comments. Prototype cpp_read_file.
3690 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3692 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
3693 reference the language-equivalent of sizetype.
3694 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
3695 * fold-const.c (size_binop, size_diffop): Put back checks.
3696 * gcse.c (dump_hash_table): Fix minor error in last change.
3697 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
3698 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
3701 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
3703 * calls.c (expand_call) Do not attempt to combine stack adjustments
3704 with inhibit_defer_pop set.
3706 2000-03-01 Mark Mitchell <mark@codesourcery.com>
3708 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
3709 the DECL_SIZE for a FIELD_DECL.
3711 2000-03-01 Bruce Korb <bkorb@gnu.org>
3713 * fixinc/inclhack.tpl: remove unused symlinks
3714 * fixinc/README: GCC Maintainer info
3715 * fixinc/inclhack.sh: regen
3716 * fixinc/fixincl.sh: regen
3718 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
3720 * cpphash.c (collect_expansion): Trim trailing white space
3721 from macro definitions, but don't go past the last insertion
3724 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
3726 * i386.md (mulqi3): New pattern.
3728 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
3730 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
3732 (struct cpp_reader): Add parsing_if_directive and
3733 parsing_define_directive flags.
3734 (struct cpp_options): Remove output_conditionals flag.
3735 (check_macro_name): Delete prototype.
3737 * cpphash.h (struct macrodef): Delete.
3738 (struct reflist): Separate from struct definition.
3739 (struct definition): Remove unused fields. Add column number.
3740 (create_definition): Returns a DEFINITION *. Takes a
3741 cpp_reader * and an int.
3743 * cpphash.c (SKIP_WHITE_SPACE): Delete.
3744 (PEEKC): Copy defn from cpplib.c.
3745 (rest_extension, REST_EXTENSION_LENGTH): Delete.
3747 (struct arglist): Simplify.
3748 (collect_expansion): Rewrite. Get tokens by calling
3749 cpp_get_token. Add more error checking.
3750 (collect_formal_parameters): New function, broken out of
3751 create_definition and reworked to use get_directive_token.
3752 (create_definition): All real work is now in collect_expansion
3753 and collect_formal_parameters. do_define handles finding the
3754 macro name. Return a DEFINITION, not a MACRODEF.
3755 (macroexpand): Replace bcopy with memcpy throughout. Replace
3756 character-at-a-time copy loop with memcpy and pointer increments.
3757 (compare-defs): d1->argnames / d2->argnames might be null.
3759 * cpplib.c (copy_rest_of_line): Delete function.
3760 (skip_rest_of_line): Do all the work ourselves.
3761 (skip_string): New function.
3762 (parse_string): Use skip_string.
3763 (get_macro_name): New function.
3764 (check_macro_name): Delete.
3765 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
3766 (cpp_skip_hspace): Use CPP_BUMP_LINE.
3767 (handle_directive): ICE if we're called on a macro buffer.
3768 (do_define): Determine macro name and type (funlike/objlike)
3769 here. Expunge all uses of MACRODEF.
3770 (cpp_push_buffer): Set line_base to NULL.
3771 (do_undef, read_line_number): Don't worry about getting a POP token.
3772 (eval_if_expression): Set/reset parsing_if_directive around
3773 cpp_parse_expr. Don't clear only_seen_white.
3774 (skip_if_group): Remove output_conditionals logic. Use
3776 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
3777 tokens under appropriate conditions.
3778 (cpp_unassert): Call do_unassert not do_assert. Oops.
3780 * cppexp.c (parse_defined): New function, break out of
3782 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
3783 ourselves, with cpp_defined.
3784 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
3786 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
3787 * gcc.dg/strpaste-2.c: New.
3789 2000-02-29 Mark Mitchell <mark@codesourcery.com>
3791 * fold-const.c (size_binop): Don't asert inputs are the same and
3792 have TYPE_IS_SIZETYPE set.
3793 (size_diffop): Likewise.
3795 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
3797 * dwarfout.c (output_block): Output abstract blocks even if they
3798 don't have TREE_ASM_WRITTEN set.
3800 * calls.c (emit_library_call): Check for null REG.
3802 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
3804 * c-decl.c (current_function_decl): Move to toplev.c.
3805 (init_decl_processing): Don't add current_function_decl as a ggc
3807 * dbxout.c (dbxout_symbol): Change return type to int.
3808 (dbxout_symbol_location, dbxout_syms): Likewise.
3809 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
3810 any locals. Use current_function_func_begin_label if set.
3811 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
3812 * dwarf2out.c (dwarf2out_begin_prologue): Set
3813 current_function_func_begin_label.
3814 * final.c (final_start_function): Reset it.
3815 * toplev.c (current_function_decl): Define it here.
3816 (current_function_func_begin_label): New variable.
3817 (main): Add both as ggc roots.
3818 * tree.h (current_function_func_begin_label): Declare.
3820 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3822 * gcse.c: Cleanups throughout: mostly white-space, but also
3823 some minor rearrangement of code.
3825 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
3827 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
3828 returns a PARALLEL. Use emit_group_load and use_group_regs
3830 (emit_library_call_value): Similarly.
3832 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
3833 * pa/quadlib.asm: Remove.
3834 * pa/quadlib.c: New file.
3836 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
3837 * configure: Rebuilt.
3839 2000-02-29 Philip Blundell <pb@futuretv.com>
3841 * config/arm/conix-elf.h: New file.
3842 * configure.in (arm*-*-conix*): New configuration.
3843 * configure: Regenerate.
3845 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
3847 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
3848 don't have TREE_ASM_WRITTEN set.
3850 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3852 * Eliminate DECL_FIELD_SIZE.
3853 * builtins.c (built_in_class_names, built_in_names): New variables.
3854 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
3855 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
3856 DECL_SIZE, not DECL_FIELD_SIZE.
3857 * print-tree.c (print_node): Remove code that prints extra blank
3858 lines in some cases.
3859 Properly handle inline and builtin function cases.
3860 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
3861 * tree.h (built_in_class_named, built_in_names): New declarations.
3862 (union tree_decl): Rename internal unions to u1 and u2 and change
3863 some of their components.
3864 Add new field built_in_class.
3865 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
3866 Reflect above changes.
3867 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
3868 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
3869 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
3870 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
3872 2000-02-28 Dmitri Makarov <dim@windriver.com>
3874 * extend.texi: Document ARM's support for long/short calls.
3876 * invoke.texi: Document ARM's -mlong-calls command line switch.
3878 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
3879 (arm_encode_call_attribute): Add prototype.
3880 (arm_set_default_type_attribute): Add prototype.
3881 (arm_strip_name_encoding): Add prototype.
3883 * config/arm/arm.c (arm_init_cumulative_args): replace
3884 initialisation og 'long_calls' field with initialisation of
3885 'call_cookie' field.
3886 (enum arm_pragma_enum): New enum.
3887 (arm_pragma_long_calls): New static variable.
3888 (arm_process_pragma): Also process "#pragma long_calls_off".
3889 (arm_valid_type_attribute_p): Accept short_call attribute.
3890 (arm_comp_type_attributes): Check long/short call attributes.
3891 (arm_encode_call_attribute): New function: Encode long_call
3892 or short_call attribute in function name.
3893 (arm_set_default_type_attributes): New function: Assign
3894 default attributes to newly defined type.
3895 (current_file_function_operand): New function: Return true if
3896 the symbol is a function which has already been compiled.
3897 (arm_is_longcall_p): New function: Return true if the
3898 indicated function should be called via a long call.
3899 (arm_get_strip_length): New function. Returns number of
3900 prefix characters to be stripped from a function's name.
3901 (arm_strip_name_encoding): New function. Strip prefix characters
3902 from a function's name.
3904 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
3906 (SHORT_CALL_FAG_CHAR): Define.
3907 (LONG_CALL_FAG_CHAR): Define.
3908 (ENCODED_SHORT_CALL_ATTR_P): Define.
3909 (ENCODED_LONG_CALL_ATTR_P): Define.
3910 (ARM_NAME_ENCODING_LENGTHS): Define.
3911 (STRIP_NAME_ENCODING): Define.
3912 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
3913 (ARM_ENCODE_CALL_TYPE): Define.
3914 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
3915 (ARM_DECLARE_FUNCTION_SIZE): Define.
3916 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
3918 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
3919 if a long call is needed.
3920 (call_value): Ditto.
3921 (call_symbol): Ditto.
3923 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
3924 ARM_DECLARE_FUNCTION_SIZE.
3926 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
3927 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
3928 (ARM_STRIP_NAME_ENCODING): Undefine.
3929 (STRIP_NAME_ENCODING): Undefine.
3930 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
3931 (ASM_DECLARE_FUNCTION_NAME): Ditto.
3932 (ASM_OUTPUT_COMMON): Ditto.
3933 (ASM_DECLARE_OBJECT_NAME): Ditto.
3935 * config/arm/pe.c (arm_dllexport_name_p): Check for
3937 (arm_dllimport_name_p): Ditto.
3938 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
3939 (arm_mark_dllimport): Ditto.
3941 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3943 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
3945 2000-02-28 Mark Mitchell <mark@codesourcery.com>
3947 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
3949 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
3951 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
3952 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
3953 NO_BUILTIN_WCHAR_TYPE is not defined.
3954 (CPP_WCHAR_TYPE): Delete.
3955 * cccp.c (main): Don't change wchar_type if cplusplus.
3956 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
3958 2000-02-28 Nick Clifton <nickc@cygnus.com>
3960 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
3962 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
3964 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
3965 (ASM_WEAKEN_LABEL): Define.
3967 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
3969 * expr.c (store_constructor): Do not emit USE.
3970 * rtl.h (stupid_life_analysis): Remove.
3972 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3974 * function.c (number_blocks): Reset next_block_index based on
3975 what debugging format is used, not what is defined.
3977 * lcm.c: Minor reformatting throughout.
3978 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
3980 * toplev.c (rest_of_compilation): Account for time in
3981 optimize_mode_switching.
3983 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
3984 if only marking labels.
3986 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
3988 * calls.c (expand_call): Attempt to combine stack adjustments with
3989 pending stack adjustments.
3991 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3993 * loop.c (reg_in_basic_block_p): Don't abort when falling through
3994 to the end of the function.
3996 2000-02-27 Mark Mitchell <mark@codesourcery.com>
3998 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
4000 * final.c (next_block_index): Remove.
4001 (max_block_depth): Likewise.
4002 (pending_blocks): Likewise.
4003 (init_final): Don't initialize them.
4004 (final_start_function): Don't set next_block_index. Set up
4006 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
4007 * function.h (number_blocks): New function.
4008 * function.c (get_block_vector): New function.
4009 (identify_blocks): Use it.
4010 (reorder_blocks): Set NOTE_BLOCK.
4011 (number_blocks): New function.
4012 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
4013 * tree.h (BLOCK_NUMBER): New macro.
4014 (tree_block): Add block_num field.
4015 * dbxout.c (next_block_number): Remove.
4016 (dbxout_init): Don't set it.
4017 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
4018 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
4020 * toplev.c (rest_of_compilation): Always call
4021 find_loop_tree_blocks. Fix indentation.
4022 * dwarf2out.c (next_block_number): Remove.
4023 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4024 to determine block numbers.
4025 (gen_inlined_subroutine_die): Likewise.
4026 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
4027 (decls_for_scope): Don't increment next_block_number.
4028 * dwarfout.c (next_block_number): Remove.
4029 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4030 to determine block numbers.
4031 (output_inlined_subroutine_die): Likewise.
4032 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
4033 (output_decls_for_scope): Don't increment next_block_number.
4034 * sdbout.c (next_block_number): Remove.
4035 (sdbout_block): Use BLOCK_NUMBER.
4036 (sdbout_begin_block): Simplify.
4037 * xcoffout.c (next_block_number): Remove.
4038 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
4039 (xcoffout_begin_block): Don't set next_block_number.
4040 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
4043 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4045 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
4046 (expand_builtin_strcpy): Pass correct type to size_binop.
4047 (expand_builtin_strcmp): Likewise.
4048 Clean up conditional structure.
4049 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
4050 (complete_array_type): Don't use size_binop for MAXINDEX.
4051 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
4052 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
4053 (c_alignof): Use size_one_node.
4054 (build_unary_op): Pass arg of proper type to size_binop.
4055 (really_start_incremental_init, push_init_level): Use sizetype for
4056 constructor{,_bit,_unfilled}_index.
4057 (pop_init_label, output_init_element): Likewise.
4058 (output_pending_init_elements, process_init_element): Likewise.
4059 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
4060 * expr.c (store_expr): Use size_int.
4061 (store_constructor): Use proper types for size_binop args.
4062 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
4063 (expand_expr_unaligned): Likewise.
4064 (string_contant): Return object of sizetype.
4065 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
4066 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
4067 (ARGS_SIZE_TREE): Pass proper types to size_binop.
4068 * fold-const.c (int_const_binop): Refine when size_int is called.
4069 (fold_convert): Likewise.
4070 (size_int_wide): Rework to take KIND as arg, only take low order
4071 bits, handle new sizetype_tab datatype, and chain entries in
4073 (size_int_type_wide): New function.
4074 (size_binop): Validate types of arguments.
4075 (ssize_binop): Deleted.
4076 (size_diffop): New function.
4077 (extract_muldiv): Only fold division into multiplication for sizetypes.
4078 * function.c (assign_parms): Use size_diffop and make sure
4079 VAR field is of ssizetype; also pass proper type to size_binop.
4080 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
4081 (round_down): Deleted from here.
4082 * store-layout.c (sizetype_tab): Now an array.
4083 (sizetype_set, early_root_list): New variables.
4084 (variable_size): Use size_one_node.
4085 (round_up): Pass proper type to size_binop.
4086 (round_down): Moved to here and corrected as above.
4087 (layout_record): Pass proper arg types to size_binop.
4088 (layout_type): Likewise.
4089 If sizetype_set is zero, record the type just laid out.
4090 (make_unsigned_type): Don't call set_sizetype;
4091 (make_signed_type): Likewise; also, call fixup_signed_type.
4092 (initialize_sizetypes): New function.
4093 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
4094 set name of bitsizetype to "bit_size_type".
4095 Fix up type of sizes of all types made before call.
4096 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
4097 * tree.c (fix_sizetype): Deleted.
4098 (build_common_tree_nodes): Call initialize_sizetypes.
4099 (build_common_tree_nodes_2): Don't call fix_sizetype.
4100 * tree.h (TYPE_IS_SIZETYPE): New macro.
4101 (initialize_sizetype): New declaration.
4102 (enum size_type_kind): New type.
4103 (struct sizetype_tab): Deleted.
4104 (sizetype_tab): Now array; adjust sizetype macros.
4105 (size_diffop, size_int_type_wide): New functions.
4106 (size_int_wide): Change number of args and type; access macros changed.
4107 (ssize_int, sbitsize_int): New macros.
4108 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
4109 (ROUND_TYPE_SIZE_UNIT): New macro.
4111 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
4113 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
4115 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4117 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
4118 Mark as possibly unused.
4120 * cse.c (cse_insn): Delete dead code involving tablejump.
4121 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
4123 * Makefile.in (libcpp.a): Start by deleting it.
4125 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4127 * cpplib.h (enum file_change_code): Added rename_file.
4128 * cpplib.c (do_line): If a filename is given, set file_change to
4130 (output_line_command): If file_change is rename_file, always
4131 output a # directive with the file name.
4133 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
4135 2000-02-26 Mark Mitchell <mark@codesourcery.com>
4137 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
4138 when copying a PARM_DECL or RESULT_DECL.
4140 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4142 * fix-header.c (recognized_function): Also fix prototypes for
4143 functions taking "void".
4145 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4147 * reload1.c (do_output_reload): Check reg_reloaded_valid before
4148 looking at reg_reloaded_contents.
4150 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
4152 * Makefile.in (STMP_FIXINC): New toggle.
4153 (LIBGCC2_DEPS): Delete all references.
4154 (stmp-headers): Delete target. All references either deleted
4155 or changed to stmp-int-headers.
4156 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
4157 (LIBCPP_OBJS): Take out cppalloc.o.
4158 (cppalloc.o): Delete target.
4159 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
4160 (gen-protos, fix-header): Link with libiberty.a.
4161 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
4164 * configure.in: Remove refs to strerror.
4165 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
4166 * system.h: Take out strerror stanza.
4168 * cpperror.c (my_strerror): Delete function.
4169 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
4170 * cppmain.c (main): Call xmalloc_set_program_name first thing.
4171 * cppalloc.c: Delete file.
4172 * gen-protos.c: Don't provide xrealloc.
4174 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
4175 xstrerror throughout.
4177 2000-02-26 Bruce Korb <bkorb@gnu.org>
4179 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
4180 match for DOS headers, too.
4181 * fixinc/inclhack.sh,fixincl.x: Regenerate.
4183 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4185 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
4186 is right for most ELF targets.
4187 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
4188 Let the default file use %U properly.
4189 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
4192 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
4195 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4197 * toplev.c (documented_lang_options): Correct spelling error.
4198 (decode_d_option, decode_f_option, main): Likewise.
4200 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
4202 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
4203 to tell assembler it is permitted to expand large constants.
4205 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
4207 * protoize.c: (AUX_INFO_SUFFIX): New macro.
4208 (aux_info_suffix): Use.
4209 (SAVE_SUFFIX): New macro.
4211 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
4212 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
4213 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
4215 * invoke.texi (Running Protoize): Update documentation.
4217 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
4219 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
4221 2000-02-25 John Wehle (john@feith.com)
4223 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
4225 2000-02-25 Anthony Green <green@cygnus.com>
4227 * toplev.c (rest_of_compilation): Rebuild jump labels if
4228 combine_instructions has created a new direct jump.
4229 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
4231 (combine_instructions): Call try_combine with new argument.
4232 Return non-null value when new direct jump instruction is created.
4233 * rtl.h: combine_instructions returns an int.
4235 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
4237 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
4238 jump when changing a computed jump into a jump to a known
4241 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
4243 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
4244 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
4246 * i386.md (define_expand "clrstrsi"): Fix typo.
4248 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
4250 * rtl.texi: Fix typo.
4252 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4254 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4255 UNITS_PER_WORD. Change caller initial_elimination_offset.
4256 (rounded_frame_size): Take into account that argument pushed has
4257 changed. Fix TARGET_ALIGN_DOUBLE problem.
4259 2000-02-25 Geoff Keating <geoffk@cygnus.com>
4261 * haifa-sched.c (schedule_block): Explain the real reason
4262 we delete REG_SAVE_NOTEs on the first insn of a block.
4263 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
4265 2000-02-24 Mark Mitchell <mark@codesourcery.com>
4267 * input.h (push_srcloc): New function.
4268 (pop_srcloc): Likewise.
4269 * toplev.c (push_srcloc): Define it.
4270 (pop_srcloc): Likewise.
4272 2000-02-24 Richard Henderson <rth@cygnus.com>
4274 * flow.c (life_analysis): When collecting reg info, clear
4277 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4279 Fix bug exposed by reload.c no longer rounding the frame
4280 size to BIGGEST_ALIGNMENT:
4281 * sh.c (rounded_frame_size): New function.
4282 (sh_expand_prologue, sh_expand_epilogue): Use it.
4283 (initial_elimination_offset): Likewise.
4285 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4287 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
4288 * sh-protos.h (sh_need_epilogue): Declare.
4289 * sh.c (sh_need_epilogue_known): New static variable.
4290 (sh_need_epilogue): New function.
4291 (function_epilogue): Clear need_epilogue_known.
4292 * sh.md (return): Split into expander / insn pattern.
4293 Make the expander conditional on ! sh_need_epilogue ().
4295 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
4297 * machmode.h (get_mode_alignment): Declare.
4298 (GET_MODE_ALIGNMENT): Call it.
4299 * stor-layout.c (get_mode_alignment): New function. Make
4300 sure alignment is always power of 2.
4302 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4304 * i386.h: Remove useless definition of "I386" and misleading
4307 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4309 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
4310 under which TREE_PERMANENT will be set.
4311 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
4312 build1): Use TREE_SET_PERMANENT.
4313 * print-tree.c (print_node): Don't report value of
4314 TREE_PERMANENT if ggc_p is true.
4316 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
4317 decide whether to give a type a new alias set.
4318 * objc/objc-act.c (build_objc_string_object): Never copy the string.
4319 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
4320 of value of 'obstack'.
4323 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4325 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
4327 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4329 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
4330 * cpplib.c (cpp_get_token): Produce them.
4331 * cppexp.c (cpp_lex): Handle them.
4333 2000-02-23 Nick Clifton <nickc@cygnus.com>
4335 * config/arm/arm.c (arm_comp_type_attributes): Simply and
4336 comment tests on type attributes.
4338 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4340 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
4341 conform to documentation.
4342 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
4343 to check for special cases.
4344 * sh-protos.h (sh_loop_align): Declare.
4345 * sh.c (sh_loop_align): Define.
4347 2000-02-22 Andrew Haley <aph@cygnus.com>
4349 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
4350 (SIZE_TYPE): Is 32 bits when using -mgp32.
4351 (PTRDIFF_TYPE): Ditto.
4353 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4355 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
4357 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4359 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
4360 BIGGEST_FIELD_ALIGNMENT a constant.
4362 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
4364 * dwarf2out.c (output_line_info): Put the marker for the end of
4365 the line number info at the actual end.
4366 (gen_struct_or_union_type_die): Use decl_function_context
4367 to check for local classes.
4368 * dwarfout.c (output_type): Likewise.
4370 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
4372 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
4373 for arguments with a mode, but no type.
4374 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
4375 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
4376 * pa/long_double.h: New file.
4377 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
4378 both have 128bit wide long doubles.
4379 * configure: Rebuilt.
4381 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4383 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
4385 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
4386 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
4387 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
4389 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
4391 * integrate.c (compare_blocks, find_block): Likewise.
4393 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
4395 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
4397 * stmt.c (stmt_status, set_file_and_line_for_stmt,
4398 expand_asm_operands): Likewise.
4400 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
4402 * predict.c (estimate_probability): Added the pointer heuristic to
4403 the collection of static branch predictors.
4405 2000-02-21 Catherine Moore <clm@cygnus.com>
4407 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
4408 * invoke.texi (-mfix7000): Document.
4410 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
4412 * diagnostic.c (init_output_buffer): Make it possible to output at
4413 least 32 characters if we're given a too long prefix.
4415 2000-02-20 Mark Mitchell <mark@codesourcery.com>
4417 * varasm.c (initializer_constant_valid_p): Call
4418 lang_expand_constant to simplify the constant.
4420 2000-02-20 Bruce Korb <bkorb@gnu.org>
4422 * fixinc/inclhack.def(stdio_va_list):
4423 typedef needs to be disabled.
4424 * fixinc/inclhack.sh: regen
4425 * fixinc/fixincl.x: regen
4427 2000-02-20 Geoff Keating <geoffk@cygnus.com>
4429 * print-rtl.c (print_rtx): Don't print addresses when
4430 flag_dump_unnumbered.
4432 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4434 * sparc.c (sparc_output_scratch_registers): Mark parameter with
4436 (sparc_va_arg, sparc_flat_output_function_prologue,
4437 sparc_flat_output_function_epilogue): Cast value to unsigned in
4439 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
4441 * sparc.md: Add default case in switch.
4443 2000-02-19 Richard Henderson <rth@cygnus.com>
4445 * c-typeck.c (add_pending_init): Don't abort for multiple
4446 fields at the same offset.
4447 (pending_init_member): Test the correct member.
4449 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4451 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
4453 (start_catch_handler) : Same.
4455 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
4457 * Makefile.in: Have flow.o depend on $(EXPR_H)
4459 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
4462 * c-decl.c (duplicate_decls, finish_enum): Likewise.
4463 (finish_decl): Remove -Wlarger-than code from here.
4464 * flags.h (id_clash_len): Now int.
4465 (larger_than_size): Now HOST_WIDE_INT.
4466 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
4467 Clean up checking to see if in table.
4468 (make_bit_field_ref): Remove extra parm to bitsize_int.
4469 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
4470 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
4471 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
4472 and for computing size of decl.
4473 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
4474 Move -Wlarger-than code to here.
4475 (layout_record): Remove extra arg to bitsize_int.
4476 Set TYPE_BINFO_SIZE_UNIT.
4477 (layout_union): Remove extra arg to bitsize_int.
4478 Use proper type for size of QUAL_UNION.
4479 (layout_type): Remove extra arg to bitsize_int.
4480 * toplev.c (id_clash_len): Now int.
4481 (larger_than_size): Now HOST_WIDE_INT.
4482 (decode_W_option): Clean up id-clash and larger-than- cases.
4483 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
4484 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
4485 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
4486 (struct tree_decl): New field size_unit.
4487 (size_int_wide): No HIGH operand; NUMBER is now signed.
4488 (size_int_2): Deleted.
4489 (size_int, bitsize_int): Don't use it and rework args.
4490 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
4492 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
4494 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
4496 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4498 * invoke.texi (Warning Options): Add an explanation of why
4499 you might want the -Wfloat-equal flag.
4501 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4503 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
4504 * cppinit.c (new_pending_define): Add cast to avoid warning.
4505 * expmed.c (extract_bit_field): Likewise.
4506 * flow.c (enum reorder_skip_type): New type.
4507 (skip_insns_between_blcok): New it.
4508 Rework to avoid warning about possibly undefined variable.
4509 * function.c (assign_parms): Make thisparm_boundary unsigned.
4510 * genrecog.c (write_switch): Cast XWINT result to int.
4511 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
4512 * mips-tfile.c (init_file): Make two versions of FDR intializer:
4513 one for MIPS and one for Alpha.
4514 (get_tag, copy_object): Add casts to avoid warnings.
4515 * optabs.c (init_one_libfunc): Cast NAME to (char *).
4516 * reload.c (find_reloads): Make TYPE enum reload_type.
4517 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
4518 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
4519 * varasm.c (compare_constant_1): Add cast to avoid warning.
4520 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
4522 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
4523 Cast switch operand of size to int.
4524 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
4525 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
4528 2000-02-18 Nick Clifton <nickc@cygnus.com>
4530 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
4531 anything for an alignment of zero.
4533 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
4534 anything for an alignment of zero.
4536 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
4538 * gcc.texi (Bug Reporting): Refer to bugs.html.
4539 (Bug Lists): Likewise.
4540 * system.h (GCCBUGURL): New preprocessor define.
4541 * rtl.c (fancy_abort): Use it.
4542 * gcc.c (main): Likewise.
4544 2000-02-18 Richard Henderson <rth@cygnus.com>
4546 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
4547 (life_analysis_1): Subsume into ...
4548 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
4549 Use update_life_info for the relaxation.
4550 (update_life_info): Update REG_BASIC_BLOCK for registers live on
4551 entry and regs_live_at_setjmp.
4552 (set_noop_p): Simplify.
4553 (notice_stack_pointer_modification_1): Renamed from s/_1//.
4554 (record_volatile_insns): Split into ...
4555 (delete_noop_moves): ... here,
4556 (notice_stack_pointer_modification): ... here,
4557 (insn_dead_p): ... and here.
4558 (propagate_block): Don't query INSN_VOLATILE.
4559 (mark_used_regs): Mind !PROP_REG_INFO.
4560 * toplev.c (rest_of_compilation): Call mark_constant_function here,
4561 not in life_analysis.
4563 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
4565 * loop.c (canonicalize_condition): New function,
4566 broken out of get_condition.
4567 (get_condition): Use it.
4568 * expr.h (canonicalize_condition): Prototype it.
4570 * tree.h (tree_int_cst_msb): Declare.
4571 * tree.c (tree_int_cst_msb): New function.
4573 2000-02-17 Mark Mitchell <mark@codesourcery.com>
4575 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
4578 * invoke.texi (-fmessage-length=n): Document.
4580 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
4582 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
4584 2000-02-17 Mark Mitchell <mark@codesourcery.com>
4586 * function.c (thread_prologue_and_epilogue_insns): Put a line note
4589 2000-02-17 Nick Clifton <nickc@cygnus.com>
4591 * config/arm/thumb.c: Replace includes of system headers with
4592 #include "system.h".
4594 2000-02-16 Richard Henderson <rth@cygnus.com>
4596 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
4597 Add crtbeginS.o and crtendS.o.
4598 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
4599 (ENDFILE_SPEC): Use crtendS.o.
4600 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
4602 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
4603 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
4605 (__dso_handle): New variable.
4606 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
4607 bias to __CTOR_END__.
4609 2000-02-16 Richard Henderson <rth@cygnus.com>
4611 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
4613 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
4615 * longlong.h (__clz_tab): Declare as static to match definition.
4617 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
4618 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
4619 (XREF_FILE_NAME): Define.
4621 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
4622 (EH_FRAME_SECTION_ASM_OP): Define.
4623 (IDENT_ASM_OP): Define.
4624 (TEXT_SECTION_ASM_OP): Define.
4626 (CTORS_SECTION_ASM_OP): Define.
4627 (CTOR_SECTION_FUNCTION): Use it.
4628 (DTORS_SECTION_ASM_OP): Define.
4629 (DTOR_SECTION_FUNCTION): Use it.
4631 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
4633 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
4636 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
4637 debug_bb_n): New functions.
4638 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
4639 * basic-block.h: Prototype new functions.
4641 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
4643 * configure.in: Add support for avr target.
4644 * configure: Rebuilt.
4646 * invoke.texi: Add AVR invocation docs.
4647 * install.texi: Add information about AVR.
4648 * md.texi: Add AVR constraint letters description.
4649 * extend.texi: Add description for AVR specific attributes.
4651 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
4653 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
4655 2000-02-16 Nick Clifton <nickc@cygnus.com>
4657 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
4658 (make_insn_raw): Move RTL check here.
4660 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4662 * version.c: Include gansidecl.h and version.h.
4664 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
4666 * configure.in (gcc_version): When setting, narrow search to
4667 lines containing `version_string'.
4669 * Makefile.in (mainversion): Likewise.
4670 (GCC_H): New variable.
4671 (gcc.h): Delete target.
4672 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
4673 (version.o): Depend on version.h.
4674 (dbxout.o): Don't depend on gcc.h.
4676 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
4677 Michael Meissner <meissner@cygnus.com>
4679 * md.texi (Simple Constraints): Add item about whitespace.
4680 * genoutput.c (strip_whitespace): New.
4681 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
4682 strip_whitespace for constraints.
4683 Test pointer using NULL, not 0.
4685 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4687 * cpplib.c (do_line): Pedwarn for #line > 32767.
4689 * c-lex.c (readescape): Warn about '\x', but do not reject it.
4691 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
4693 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
4694 to default cpp spec.
4695 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
4696 * cpp.texi: Document __GNUC_PATCHLEVEL__.
4699 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
4702 2000-02-15 Denis Chertykov <denisc@overta.ru>
4704 * configure.in: Add support for avr target.
4706 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4708 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
4709 (sh_addr_diff_vec_mode): Don't declare.
4710 * sh.c (sh_addr_diff_vec_mode): Delete.
4712 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4714 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
4716 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4718 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
4719 (smulsi3_highpart_i): Name.
4720 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
4721 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
4722 (smulsi3_highpart, umulsi3_highpart): Likewise.
4724 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
4725 correctly independent of endianness.
4726 (mulsidi3, umulsidi3): Now define_insn. Hide details that
4727 confuse the optimizers.
4728 (mulsidi3+1, umulsidi3+1): New define_split.
4730 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
4732 * config/sh/sh.md: Guard insn splits against illegal registers.
4733 * config/sh/sh.h: Correct comment about macros.
4735 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4736 Andrew MacLeod <amacleod@cygnus.com>
4738 * Makefile.in (lcm.o): Depend on insn-attr.h.
4739 * basic-block.h (optimize_mode_switching): Declare.
4740 * lcm.c (tm_p.h, insn-attr.h): #include.
4741 (seginfo, bb_info): New structs.
4742 (antic, transp, comp, delete, insert) : New file-scope static variables.
4743 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
4744 (reg_becomes_live, optimize_mode_switching): Likewise.
4745 * tm.texi: Add description of mode switching macros.
4746 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
4748 * sh-protos.h (remove_dead_before_cse): Remove prototype.
4749 (fldi_ok, fpscr_set_from_mem): New prototypes.
4750 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
4751 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
4752 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
4753 (sh_flag_remove_dead_before_cse): Remove declaration.
4754 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
4755 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
4756 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
4757 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
4758 (barrier_align): Allow for JUMP_INSNS containing a parallel.
4759 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
4760 (fldi_ok): New function.
4761 (get_fpscr_rtx): Add fpscr_rtx as GC root.
4762 (emit_sf_insn): Only generate fpu switches when optimize < 1.
4763 (emit_df_insn): Likewise.
4764 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
4765 (sh_flag_remove_dead_before_cse): Delete.
4766 (get_free_reg, fpscr_set_from_mem): New functions.
4767 * sh.md (movdf, movsf): Remove no_new_pseudos code.
4768 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
4770 2000-02-15 Loren Rittle <ljrittle@acm.org>
4772 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
4774 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4776 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
4777 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
4779 * cccp.c: Include version.h and/or don't declare `version_string'.
4780 * collect2.c: Likewise.
4781 * alpha.c: Likewise.
4782 * arm/aof.h: Likewise.
4783 * arm/coff.h: Likewise.
4784 * arm/elf.h: Likewise.
4785 * arm/pe.h: Likewise.
4786 * arm/tcoff.h: Likewise.
4787 * arm/telf.h: Likewise.
4788 * arm/tpe.h: Likewise.
4789 * arm/vxarm.h: Likewise.
4790 * convex/convex.c: Likewise.
4791 * i386/dgux.c: Likewise.
4792 * i386/sun386.h: Likewise.
4793 * m88k/m88k.c: Likewise.
4794 * mcore/mcore-pe.h: Likewise.
4795 * mips/mips.h: Likewise.
4796 * romp/romp.h: Likewise.
4797 * sh/sh.c: Likewise.
4798 * cpphash.c: Likewise.
4799 * cppinit.c: Likewise.
4800 * dwarf2out.c: Likewise.
4801 * dwarfout.c: Likewise.
4804 * mips-tfile.c: Likewise.
4805 * protoize.c: Likewise.
4806 * toplev.c: Likewise.
4809 * version.c (version_string): Constify a char*.
4811 * version.h: New file.
4813 2000-02-14 Nick Clifton <nickc@cygnus.com>
4815 * configure.in: Add mcore-elf and mcore-pe targets.
4816 * configure: Regenerate.
4818 * NEWS: Add note that MCore port has been contributed.
4820 * invoke.texi: Document command line switches for MCore port.
4821 * install.texi: Add MCore to list of supported targets.
4823 2000-02-14 Geoff Keating <geoffk@cygnus.com>
4825 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
4826 then we will need to import the frame handling functions.
4827 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
4828 to import the frames themselves.
4830 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
4831 Jason Eckhardt <jle@cygnus.com>
4833 * basic_block.h: Added prototype for reorder_basic_blocks.
4834 * toplev.c: Changes to add -freorder-blocks and graph dump after
4835 block reordering is done.
4836 * flow.c (reorder_block_def): New structure for use during block
4838 (REORDER_BLOCK_*): New macros to access members of above structure.
4839 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
4840 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
4841 functions for block reordering.
4843 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
4845 * gcc.texi (Passes): Fix typo.
4846 * md.texi (Standard Names): Ditto.
4847 * tm.texi (Storage Layout): Ditto.
4849 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
4851 * cpplib.c (do_define): Only free the old definition if it
4854 2000-02-13 Neil Booth <NeilB@earthling.net>
4856 * cppfiles.c (read_and_prescan): When emitting deferred
4857 newlines, test speccase[] again instead of checking each
4858 possible whitespace character in turn. When we encounter \r,
4859 look behind for \n first, then ahead.
4861 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
4863 * cse.c (cse_altered): New internal flag.
4864 (cse_insn): Set it if we changed an insn.
4865 (cse_main): Clear cse_altered before each basic block.
4866 Only garbage collect if cse_altered is true afterward.
4868 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4870 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
4872 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
4874 * combine.c (simplify_comparison): Fix typo.
4876 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
4878 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
4881 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4883 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
4884 previously inserted node instead of root node. Caller changed.
4886 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4888 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
4890 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4892 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
4893 __dereg_frame_dtor): Add prototype argument.
4895 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
4897 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
4899 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
4901 * gthr-vxworks.h (__gthread_once): Likewise.
4903 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
4905 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
4907 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
4908 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
4909 stack pointer in functions w/o saved registers, output LEAVE more often
4910 on TARGET_USE_LEAVE machines.
4912 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
4914 * config/arm/arm.c (arm_init_cumulative_args); New function:
4915 Initlaise the CUMULATIE_ARGS strcuture for a function
4917 (arm_function_arg): New function: Determine where to place a
4918 function's argument. Also handles deciding the function's
4920 (current_file_function_operand): New function: Return true if
4921 the symbol is a function which has already been compiled.
4922 (arm_is_long_call_p): New function: Return true if the
4923 indicated function should be called via a long call.
4924 (arm_valid_type_attribute_p): New function: Return true if the
4925 attribute is a valid, arm specific, attribute.
4926 (arm_comp_type_attribute): New function: Return true if the
4927 two types have compatable, arm specific, attributes.
4929 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
4931 (FUNCTION_ARG): Redefine to call arm_function_arg.
4932 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
4934 (INIT_CUMULATIVE_ARGS): Redefine to call
4935 arm_init_cumulative_args.
4936 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
4938 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
4940 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
4942 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
4943 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
4944 (COMP_TYPE_ATTRIBUTES): Define.
4946 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
4947 if a long call is needed.
4948 (call_value): Call arm_is_long_call_p to decide if a long call
4950 (call_symbol): Call arm_is_long_call_p to decide if a long call
4953 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
4955 2000-02-11 Denis Chertykov <denisc@overta.ru>
4957 * README.AVR: New file with information about the avr ports.
4958 * config/avr: New directory with avr port files.
4960 2000-02-11 Andreas Jaeger <aj@suse.de>
4962 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
4964 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
4966 * cpphash.c: Fix formatting, update commentary.
4967 (dump_definition): Take three separate arguments instead of a
4968 MACRODEF structure argument.
4969 * cpphash.h: Update prototype of dump_definition.
4970 * cppinit.c (cpp_finish): Update call of dump_definition.
4972 * cpplib.c (do_define): Always create new hash entry with
4973 T_MACRO type. Remove redundant check for redefinition of
4974 poisoned identifier. Update call of dump_definition.
4975 (do_undef): Don't call check_macro_name. Rename sym_length to
4977 (do_error, do_warning): Don't use copy_rest_of_line or
4979 (do_warning): Don't use pedwarn for the actual warning,
4980 only the notice about its not being in the standard. (Fixes
4981 bug with #warning in system headers.)
4982 (do_ident): Stricter argument checking - accept only a single
4983 string after #ident. Also, macro-expand the line.
4984 (do_xifdef): Use cpp_defined. De-obfuscate.
4986 (do_pragma): Split out specific pragma handling to separate
4987 functions. Use get_directive_token. Update commentary. Do
4988 not pass on #pragma once or #pragma poison to the front end.
4989 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
4990 do_pragma_default): New.
4992 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
4994 * jump.c (jump_optimize_1): The first operand in a relational
4996 * optabs.c (emit_conditional_move): Handle relationals which
4997 have a known true/false result.
4999 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5001 * function.c (thread_prologue_and_epilogue_insns): Don't insert
5002 a RETURN insn into a block which already ends with a jump.
5004 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5006 * haifa-sched.c (BUF_LEN): Increase a lot.
5008 2000-02-11 Nick Clifton <nickc@cygnus.com>
5010 * configure.in: Add tm_p_file specification for thumb targets.
5011 * configure: Regenerate.
5013 * config/arm/thumb-protos.h: New file: Prototypes for exported
5014 functions defined in thumb.c.
5016 2000-02-11 Robert Lipe <robertl@sco.com>
5018 * Makefile.in (bootstrap-lean): Remove additional files.
5019 (bootstrap2-lean): Likewise.
5020 (VOL_FILES): List of files for above.
5022 2000-02-11 Nathan Sidwell <nathan@acm.org>
5024 * cpphash.c (special_symbol): Remove spurious argument to
5027 2000-02-11 Joel Sherrill (joel@OARcorp.com>
5029 * configure.in: (i*86-*-rtems*): Swapped elf and coff
5031 * configure: Rebuilt.
5033 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
5035 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
5037 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
5039 * pa.c, pa.h: Remove trigraph sequences within comments.
5041 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
5043 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5045 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
5047 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
5049 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5051 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
5053 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5055 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
5056 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
5057 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
5058 (ASM_FILE_END): Use c4x_file_end.
5059 * config/c4x/c4x.c (c4x_global_label): New function.
5060 (c4x_external_ref, c4x_file_end): Likewise.
5062 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
5063 (c4x_external_ref, c4x_end_file): Likewise.
5065 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
5067 * cppexp.c: Don't include cpphash.h.
5068 (parse_charconst, cpp_lex): Use cpp_defined.
5069 (cpp_lex): Use get_directive_token throughout. Remove
5070 unnecessary cases from switch. Move assertion-handling code
5072 (cpp_parse_expr): If we see '+' or '-', check the context to
5073 determine if they are unary or binary operators. Streamline
5074 the jumps a bit. Do not call skip_rest_of_line.
5076 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
5077 static. Export get_directive_token. Update commentary.
5078 (cpp_defined): New function.
5079 (do_define): Remove reference to T_PCSTRING. Call
5080 free_definition to release memory for old definition, when
5082 (eval_if_expression): Set only_seen_white to 0 before calling
5083 cpp_parse_expr. Call skip_rest_of_line after it returns.
5084 (cpp_read_check_assertion): Don't preserve a pointer into the
5085 token buffer across a call to cpp_get_token.
5087 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
5088 * cppfiles.c (redundant_include_p): Use cpp_defined.
5089 * cpphash.c (free_definition): New function.
5090 (delete_macro): Use it. Update commentary.
5091 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
5093 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
5094 from enum node_type. Prototype cpp_defined and get_directive_token.
5095 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
5097 * fix-header.c (check_macro_names): Use cpp_defined.
5098 (read_scan_file): Set inhibit_warnings and inhibit_errors in
5099 the options structure.
5101 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5103 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
5105 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
5107 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
5108 rather than die->die_tag.
5110 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5112 * combine.c (make_extraction, force_to_mode): Avoid warning on
5113 mixed-signedness conditionals.
5114 (make_field_assignment, nonzero_bits): Likewise.
5115 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
5116 (store_split_bit_field, extract_split_bit_field): Likewise.
5117 (extract_fixed_bit_field, store_bit_field,
5118 * expr.c: Change alignment to be unsigned everywhere.
5119 (move_by_pieces, store_constructor_field, store_constructor):
5120 Alignment parm is unsigned.
5121 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5122 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5123 (do_compare_rtx_and_jump): Likewise.
5124 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
5125 Compare align with GET_MODE_ALIGNMENT.
5126 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
5127 (get_inner_reference): Likewise.
5128 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
5129 (expand_assignment): Local vars for alignment now unsigned.
5130 (store_constructor, store_field, expand_expr, do_jump): Likewise.
5131 (do_compare_and_jump): Likewise.
5132 (store_field): Call new function expr_align.
5133 * expr.h (emit_block_move, emit_group_load, emit_group_store):
5134 Alignment arg now unsigned.
5135 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5136 (do_compare_rtx_and_jump, store_bit_field): Likewise.
5137 (extract_bit_field): Likewise.
5138 * fold-const.c (add_double): Add cast to eliminate signedness warning.
5139 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
5140 (get_best_mode): Alignment arg is unsigned.
5141 * rtl.h (move_by_pieces): Likewise.
5142 * store-layout.c (maximum_field_alignment, set_alignment):
5144 (layout_decl): Alignment arg is now unsigned.
5145 Remove unneeded casts.
5146 (layout_record, layout_union, layout_type): Remove unneeded casts.
5147 Local alignment variables now unsigned.
5148 (get_best_mode): Alignment arg now unsigned.
5149 * tree.c (expr_align): New function.
5150 * tree.h (expr_align): Likewise.
5151 (maximum_field_alignment, set_alignment): Now unsigned.
5152 (get_inner_reference): Alignment argument is now pointer to unsigned.
5153 * varasm.c (assemble_variable): Add cast to eliminate warning.
5155 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
5157 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
5158 then store directly into op0.
5160 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
5161 the CALL_INSN, and emit the note immediately after it.
5163 2000-02-10 Nick Clifton <nickc@cygnus.com>
5165 * config/arm/thumb.md (epilogue): Include a (return) in the
5166 generated insn, and emit it using emit_jump_insn not
5169 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
5171 * function.c (assign_temp): Change zero-sized arrays to size 1.
5172 * integrate.c (expand_inline_function): Do not update
5173 stack_alignment_needed
5174 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
5175 add some sanity checking, remove optimization for function with
5178 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5180 * flow.c (mark_regs_live_at_end): Delete unused variables.
5182 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
5184 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
5185 in macro FRAME_GROWS_DOWNWARD.
5187 * stmt.c (expand_end_bindings): Delete unused variable.
5189 * unroll.c (iteration_info): Mark parameter `loop' with
5192 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5194 * fixinc/server.c (load_data): Return NULL if the marker line is
5196 (run_shell): If load_data returns NULL, retry the command once, in
5199 * configure: Rebuilt.
5201 2000-02-09 Bruce Korb <bkorb@gnu.org>
5203 * gcc/fixincludes: ** DELETED **
5204 * gcc/fixcpp: ** DELETED **
5205 * gcc/fixinc-nt.sed: ** DELETED **
5206 * gcc/just-fixinc: ** DELETED **
5207 * gcc/Makefile.in: Removed out-dated commentary
5208 * gcc/configure.in: Removed fast-fixincludes disablement.
5209 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
5211 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5212 * function.c (thread_prologue_and_epilogue_insns): Uncomment
5215 2000-02-09 Richard Henderson <rth@cygnus.com>
5217 * jump.c (delete_insn): Don't delete user labels at -O0.
5219 2000-02-09 Robert Lipe <robertl@sco.com>
5221 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
5222 Don't link with HOST_LIBS.
5224 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5226 * configure.in: Correct --help text for --with-dwarf2.
5227 Put tm-dwarf2.h after other tm files, if it's requested.
5228 * configure: Regenerate.
5229 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
5232 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5234 * cpplib.h: Provide HASHNODE typedef and forward decl of
5235 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
5236 DEFINITION, struct hashnode, struct macrodef, struct
5237 definition, scan_decls prototype, default defn of
5238 INCLUDE_LEN_FUDGE moved elsewhere.
5240 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
5241 definition, and struct hashnode moved here. Remove the unused
5242 'predefined' field from struct definition. Replace the 'args'
5243 union with its sole member. All users updated (cpphash.c).
5244 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
5245 multiple include guard.
5247 * cpphash.c (hashf): Make static; use better algorithm; drop
5248 HASHSIZE parameter; return an unsigned int.
5249 (cpp_lookup): Drop HASH parameter. PFILE parameter is
5250 used. Calculate HASHSIZE modulus here.
5251 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
5253 (create_definition): Drop PREDEFINITION parameter.
5254 * cpplib.c (do_define): Don't calculate a hash value here.
5255 Don't pass (keyword == NULL) to create_definition.
5257 * scan.h: Prototype scan_decls here.
5258 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
5259 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
5260 callers of cpp_lookup and cpp_install updated.
5262 * cpphash.c (macarg): Hoist all the flag diddling out of the
5264 (macroexpand): ... and out of the loop that calls macarg.
5265 Skip over the initial paren before macro arguments with
5266 cpp_get_non_space_token; point may be some distance before
5267 that paren. Abort if it's not there.
5269 * cpplib.c (parse_clear_mark): Delete function.
5270 (parse_set_mark, parse_goto_mark): Make static.
5271 (ACTIVE_MARK_P): New macro.
5272 (skip_block_comment, skip_line_comment): Do not bump the line
5273 if ACTIVE_MARK_P is true.
5274 (cpp_pop_buffer): The buffer to be popped may not have an
5276 (cpp_get_token): When looking for the initial paren before
5277 macro arguments, only set a mark in a file buffer, Always
5278 return to that mark before proceeding to call macroexpand or
5279 return a NAME token.
5281 * cpplib.h: Remove prototypes of parse_set_mark,
5282 parse_clear_mark, parse_goto_mark.
5283 (struct cpp_options): Rename 'put_out_comments' to
5284 'discard_comments' and invert its sense.
5285 * cppinit.c, cpphash.c, cpplib.c: All users of
5286 put_out_comments changed to use discard_comments, with
5289 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5291 * function.c (thread_prologue_and_epilogue_insns): Don't delete
5292 the edge from a block that both jumps and falls through to the
5295 2000-02-09 Scott Bambrough <scottb@netwinder.org>
5297 * config/arm/arm.md (movsi): In PIC mode, make sure that a
5298 constant source address is legitimate.
5300 2000-02-09 Philip Blundell <pb@futuretv.com>
5302 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
5305 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
5307 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
5309 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5311 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
5312 ends with a newline and a NUL. Don't be so clever manipulating
5315 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
5317 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
5318 not to BIGGEST_ALIGNMENT.
5320 2000-02-08 Geoff Keating <geoffk@cygnus.com>
5322 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
5323 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
5324 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
5325 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
5326 * frame.c (execute_cfa_insn): Handle
5327 DW_CFA_GNU_negative_offset_extended.
5329 2000-02-08 Richard Henderson <rth@cygnus.com>
5331 * flow.c (tidy_fallthru_edges): Split out from ...
5332 (delete_unreachable_blocks): ... here.
5333 (find_basic_blocks): Use it.
5335 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5337 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
5339 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
5341 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
5342 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
5343 (fix-header.o): Don't depend on cpphash.h.
5345 * scan.c (hashstr): New function.
5346 * scan.h: Prototype it.
5347 * fix-header.c: Don't include cpphash.h. Use hashstr.
5348 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
5349 hashstr. Report hash table statistics. Add private
5350 definition of xrealloc.
5352 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5354 * i386.h (TARGET_SWITCHES): Fix typo in option name.
5356 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
5358 * function.c (thread_prologue_and_epilogue_insns): Don't replace
5359 jumps with returns unless they are jumps to the fallthru block.
5361 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
5363 * i386.md (addqi3_cc): Fix contraints.
5365 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5367 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
5369 2000-02-07 Mark Mitchell <mark@codesourcery.com>
5371 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
5372 carriage return after a macro name.
5374 2000-02-07 Fred Fish <fnf@be.com>
5376 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
5377 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
5379 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
5381 * cppfiles.c (deps_output): Count spacers in deps_column.
5383 2000-02-07 Neil Booth <NeilB@earthling.net>
5385 * cppinit.c (initialize_dependency_output): If there is no
5386 suffix, don't try to look for known suffixes. Use strrchr.
5387 (cpp_start_read): Remove duplicate initialization.
5389 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
5391 * calls.c (compute_argument_block_size): New argument
5392 preferred_stack_boundary.
5393 (expand_call): update cfun->preferred_stack_boundary, update call of
5394 compute_argument_block_size
5395 (emit_library_call): Increate cfun->preferred_stack_boundary
5396 to PREFERRED_STACK_BOUNDARY
5397 (emit_library_call_value): Likewise.
5398 * explow.c (allocate_dynamic_stack_spave): Likewise.
5399 * function.c (prepare_function_start): Set
5400 cfun->preferred_stack_boundary
5401 * function.h (struct function): Add preferred_stack_boundary field.
5402 * integrate.c (expand_inline_function): Update
5403 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
5404 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
5405 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
5407 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
5409 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
5410 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
5411 cpp_pedwarn, cpp_pedwarn_with_line,
5412 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
5413 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
5414 v_cpp_error_with_line, v_cpp_warning_with_line,
5415 cpp_message_from_errno, cpp_perror_with_name): Delete.
5417 * cpperror.c (cpp_print_containing_files): Take starting
5419 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
5420 (v_cpp_message): Now called directly by all entry points.
5422 (cpp_pfatal_with_name, cpp_message): Delete.
5423 (cpp_notice_from_errno, cpp_ice): New functions.
5424 (cpp_notice): Is now for reporting error conditions, just
5425 without an associated file.
5426 (cpp_error, cpp_error_with_line): Don't do anything if
5427 opts->inhibit_errors is on.
5428 (cpp_pedwarn_with_file_and_line): Take column argument also.
5430 * cpplib.h: Update prototypes of exported functions.
5431 (struct cpp_options): Add inhibit_errors.
5433 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
5434 non-error messages. Include intl.h.
5436 * cppinit.c, cppmain.c: Likewise. Also, use
5437 cpp_notice_from_errno instead of cpp_perror_with_name or
5438 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
5440 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
5441 report internal errors.
5443 * cpplib.c (do_define): Switch bcopy to memcpy.
5444 Give cpp_pedwarn_with_file_and_line a dummy column argument.
5446 * cpplib.c (copy_rest_of_line): Revert previous change: don't
5447 bail out early if we hit a line comment.
5449 2000-02-06 Richard Henderson <rth@cygnus.com>
5451 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
5452 * basic-block.h: Declare them.
5453 * emit-rtl.h (active_insn_p): New.
5454 (next_active_insn, prev_active_insn): Use it.
5455 * rtl.h: Declare it.
5456 * function.c (emit_return_into_block): New.
5457 (thread_prologue_and_epilogue_insns): Insert return insns instead
5458 of epilogues when possible.
5459 * jump.c (jump_optimize_1): Remove code to insert a return insn
5460 on the fallthru to the exit block.
5462 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
5463 and for non-empty stack frames.
5464 * i386.md (return): Expand to return-pop as needed.
5466 2000-02-06 Richard Henderson <rth@cygnus.com>
5468 * simplify-rtx.c (simplify_relational_operation): Canonicalize
5469 constant to op1 for testing.
5471 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5473 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
5474 (fixuns_truncqfqi2): Use it.
5476 2000-02-06 Richard Henderson <rth@cygnus.com>
5478 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
5481 * i386.md (widening and peepholes): Mask the constant instead of
5484 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
5486 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
5487 input pointer before possibly branching off to the backslash
5489 * cpphash.c (macroexpand): Correctly delete \r escapes when
5490 stringifying parameters.
5491 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
5492 if we can; bail out early if we hit a line comment.
5493 (handle_directive): Treat '# 123' in an .S file just like
5494 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
5495 Return 1 for '# not_a_directive'.
5496 (get_directive_token): Pop macro buffers here, so that
5497 cpp_get_token can't sneakily move past a newline.
5499 (cpp_get_token): goto randomchar if handle_directive returns 0.
5501 * cppalloc.c: Update copyright.
5502 * cpplib.c: Merge all the static function prototypes into one
5504 * cpplib.h: Remove #if 0 block.
5506 * cpperror.c: Remove #ifdef EMACS block.
5507 * cppmain.c: Likewise.
5508 * cpphash.c: Remove #if 0 blocks.
5509 * cppinit.c: Remove #if 0 blocks, and the -lint option.
5510 * cpplib.c: Remove #if 0 blocks and code referencing
5511 pcp_inside_if or for_lint. Remove duplicate error message.
5512 Fix error messages for #else after #else or #elif. Reformat.
5513 Remove archaic TODO list.
5514 * cpplib.h: Remove pcp_inside_if and for_lint flags.
5516 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
5518 * i386/osf1elf.h: Add missing backslash to multiline string.
5520 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5522 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
5524 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5526 * Makefile.in (c-common.o): Depend on $(EXPR_H).
5528 * c-common.c: Include expr.h.
5530 * c-pragma.c (mark_align_stack): Add prototype.
5532 * caller-save.c (add_stored_regs): Likewise.
5534 * combine.c (record_promoted_value): Likewise.
5536 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
5539 * cppinit.c (new_pending_define): Likewise.
5541 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
5543 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
5544 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
5545 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
5546 class_scope_p): Likewise.
5548 * dwarf2out.h (dwarf2out_set_demangle_name_func,
5549 dwarf2out_add_library_unit_info): Likewise.
5551 * ggc.h (ggc_page_print_statistics): Likewise.
5553 * haifa-sched.c (propagate_deps): Likewise.
5555 * reg-stack.c (next_flags_user, record_label_references): Likewise.
5557 * rtl.h (set_stack_check_libfunc): Likewise.
5559 * toplev.h (set_fatal_function): Likewise.
5561 * toplev.c (set_fatal_function): Delete prototype.
5563 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
5565 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5567 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
5568 (FUNC_END): Likewise.
5570 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5572 * caller-save.c: Include tm_p.h.
5574 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5576 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
5578 2000-02-04 Neil Booth <NeilB@earthling.net>
5580 * cccp.c (main): Check 'dir' for a NULL pointer before passing
5583 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
5585 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
5586 * genflags.c: Use the max_operand_1 logic from genemit.c to
5587 calculate how many arguments gen_insn prototypes have. Remove
5588 NO_MD_PROTOTYPES ifdefs from the generated file.
5589 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
5590 file. Cast gen_insn initializers to insn_gen_fn.
5591 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
5592 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
5594 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5596 * fixinc/Makefile.in (HDR): Add machname.h.
5599 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5601 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
5602 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
5603 (c4x_cpu_version): Ditto.
5604 * config/c4x/c4x-protos.h: ... here.
5606 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
5608 * dwarf2out.c (add_abstract_origin_attribute): Don't call
5609 gen_abstract_function on our context if we're a nested function.
5611 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5613 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
5614 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
5616 2000-02-04 Bruce Korb <bkorb@gnu.org>
5618 * fixinc/genfixes(machname.h):
5619 Move the functionality from gen-machine.h into this file.
5620 UNdef MN_NAME_PAT if there are no names to change.
5621 Also, be a little kinder when AutoGen is not present.
5623 * fixinc/Makefile.in(machname.h):
5624 Change the generation rule to use genfixes.
5626 * fixinc/fixfixes.c(machine_name):
5627 machine_name_fix's functionality now dependent upon whether
5628 MN_NAME_PAT is defined.
5630 * fixinc/fixtests.c(machine_name):
5633 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
5636 * fixinc/fixlib.h(mn_get_regexps):
5639 * fixinc/gen-machine.h: DELETED
5641 2000-02-04 Jan Hubicka <jh@suse.cz>
5642 Richard Henderson <rth@cygnus.com>
5644 * i386.c (SAVE_REGS_FIRST): Remove.
5645 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
5646 (ix86_compute_frame_size): Likewise.
5647 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
5648 (ix86_emit_restore_regs): Remove.
5649 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
5650 when a frame pointer is in use.
5651 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
5652 instead of pop to restore a register when profitable; emit leave
5654 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
5656 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
5657 * i386.md (prologue_allocate_stack): Remove.
5658 (epilogue_deallocate_stack): Remove.
5659 (pro_epilogue_adjust_stack): New.
5661 2000-02-04 Richard Henderson <rth@cygnus.com>
5663 * function.c (diddle_return_value): Rework to use a callback function.
5664 Use current_function_return_rtx if it's been set up.
5665 (do_clobber_return_reg, clobber_return_register): New.
5666 (do_use_return_reg, use_return_register): New.
5667 (expand_function_end): Use them.
5668 * stmt.c (expand_null_return): Likewise.
5669 * function.h: Declare them.
5670 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
5671 (mark_reg): Change arguments as appropriate for callback.
5672 * integrate.c (expand_inline_function): Revert 19 Jan change.
5674 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
5676 * tm.texi (Values in Registers): Fix typo: "fo" "for".
5677 (Misc): Say the scheduler, not the Haifa scheduler.
5679 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
5681 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
5682 when in_mem is set. Update all callers.
5684 2000-02-04 Richard Henderson <rth@cygnus.com>
5686 * i386/openbsd.h (INT_ASM_OP): Define.
5688 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
5690 * tm.texi: Fix various typos.
5692 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
5694 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
5695 (MD_STARTFILE_PREFIX_1): New macro.
5697 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
5699 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
5700 destination when needed.
5701 (strmovsi, strsetsi): New expander.
5702 (strmovsi_1, strsetsi_1): New pattern.
5703 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
5704 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
5705 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
5706 * invoke.texi (align-stringops, inline-all-stringops): Document.
5708 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
5710 * i386/netbsd.h (INT_ASM_OP): Define.
5712 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
5714 * cpplib.h (cpp_reader): Add new flag, no_directives.
5715 * cpphash.c (macarg): Set it.
5716 * cpplib.c (handle_directive): If no_directives is on and we
5717 find a directive, issue an error and discard the line.
5719 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
5721 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
5722 FP constants. Add ! TARGET_FPU check for FP constants.
5724 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
5726 * flow.c (find_basic_blocks): Don't kill label_value_list
5728 (cleanup_cfg): Kill it here.
5730 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5732 * expr.c (store_field): Ensure ALIGN is no stricter than the
5735 2000-02-02 Richard Henderson <rth@cygnus.com>
5737 * jump.c (delete_insn): Partially revert 19 Jan change;
5738 don't convert unused code labels to notes at -O0.
5740 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5742 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
5743 split_all_insns to recreate REG_LABEL notes for flow2 pass.
5745 2000-02-01 Richard Henderson <rth@cygnus.com>
5747 * i386.c (general_no_elim_operand): New.
5748 (nonmemory_no_elim_operand): New.
5749 (ix86_expand_move): Copy eliminable operands before a push.
5750 * i386-protos.h: Declare new functions.
5751 * i386.h (CAN_ELIMINATE): Simplify.
5752 (PREDICATE_CODES): Update.
5753 * i386.md (push insns): Don't allow eliminable register operands.
5755 2000-02-01 Richard Henderson <rth@cygnus.com>
5757 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
5758 replace BLKmode with DECL_RTL's mode.
5760 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
5762 * frame.c (find_fde): Convert for loop to do-while so compiler
5763 sees it's always executed at least once.
5764 * libgcc2.c (BBINBUFSIZE): Kill.
5765 (__bb_init_prg): Use fgets.
5766 (__bb_exit_trace_func): Don't paste strings.
5767 * unroll.c (unroll_loop): Initialize unroll_type, not
5768 unroll_number, and tweak logic to match.
5770 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
5772 (ix86_flags_dependant): Likewise. Disentangle control flow.
5773 (ix86_sched_reorder): Break guts out to
5774 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
5775 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
5778 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
5779 use string concatenation. Don't save and restore esi.
5781 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
5782 (machname.h): Remove script to separate file. Use two-step
5783 sequence so target is not created if script fails.
5784 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
5785 identifiers are defined.
5786 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
5787 an empty string, machine_name doesn't need to do anything at
5789 (is_cxx_header): Add more cases to regexp.
5790 * fixinc/fixlib.h: Update prototype.
5791 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
5793 * fixinc/fixincl.c: Define NO_BOGOSITY.
5795 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
5796 (hp_sysfile): Add missing comma.
5797 (math_exception): Put the wrapper ifdefs at the beginning and
5798 the end of the file.
5799 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
5801 2000-02-01 Richard Henderson <rth@cygnus.com>
5803 * sparc.c (fp_zero_operand): Turn into a normal predicate.
5804 Use CONST0_RTX. Update all callers.
5805 * sparc.h, sparc-protos.h: Update accordingly.
5806 * sparc.md (fp mov insns): Use fp_zero_operand directly
5809 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5811 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
5814 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5816 * Makefile.in (specs.ready): New target.
5817 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
5819 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5821 * fixinc.irix: Use unique filenames for writing into /tmp,
5822 * fixinc.ptx: Likewise.
5823 * fixinc.sco: Likewise.
5824 * fixinc.svr4: Likewise.
5825 * fixinc.winnt: Likewise.
5827 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5829 * tsystem.h: New file.
5831 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
5832 s-crtS): Depend on tsystem.h.
5834 * crtstuff.c: Include tsystem.h.
5835 * frame.c: Likewise.
5836 * libgcc2.c: Likewise.
5838 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
5840 * builtins.c (expand_builtin_memset): Expand for variable sized
5843 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
5845 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
5848 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
5850 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
5852 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
5854 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
5856 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
5857 case 3->2 combining (combining with splitting) in which 2 is CC0
5858 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
5859 checked at the begining of the function with the aid of calling
5860 function 'can_combine_p'.
5862 2000-01-31 Dave Brolley <brolley@redhat.com>
5864 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
5866 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
5868 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
5871 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5873 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
5875 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
5878 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
5880 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
5881 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
5882 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
5883 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
5884 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
5885 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
5886 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
5887 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
5888 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
5889 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
5891 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
5892 Add %(cpp_cpu) to CPP_SPEC.
5894 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
5895 Add %(cc1_cpu) to CC1_SPEC.
5897 2000-01-28 Ulrich Drepper <drepper@redhat.com>
5899 * c-decl.c (c_decode_option): Accept optional numeric argument to
5900 -Wformat and set warn_format.
5901 * c-common.c: Don't emit warning about non-constant printf format
5902 string unless warn_format > 1.
5904 2000-01-30 Richard Henderson <rth@cygnus.com>
5906 * alpha.md (return_internal): Allow after reload only.
5908 2000-01-30 Richard Henderson <rth@cygnus.com>
5910 * i386.c (ix86_compute_frame_size): Omit padding1 if the
5911 local frame size is zero.
5913 2000-01-30 Richard Henderson <rth@cygnus.com>
5915 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
5916 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
5917 * alpha.md (return): Turn into an expander.
5918 (return_internal): Don't use $26.
5919 (epilogue): Emit the return insn.
5921 2000-01-30 Richard Henderson <rth@cygnus.com>
5923 * alpha.md (negtf2, abstf2): Fix word order thinko.
5925 (trunctfsf2): Avoid intermediate rounding errors.
5927 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
5929 * cppfiles.c (find_position): Drop 'colp' argument, return the
5931 (read_and_prescan): Adjust to match. Don't ever manipulate
5932 line or line_base except via find_position.
5934 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
5936 * c-parse.in: Apply Ulrich's changes from c-parse.y.
5937 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
5940 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
5942 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
5943 just print "<command line>". If 'filename' is null or an
5944 empty string, print "<stdin>" for the filename.
5945 * cpplib.c (do_define): Don't print the 'location of the
5946 previous definition' message if we're still parsing the
5948 (cpp_pedwarn_with_file_and_line): Always call
5949 cpp_file_line_for_message.
5951 2000-01-29 Mark Mitchell <mark@codesourcery.com>
5953 * flow.c (mark_regs_live_at_end): Fix typo.
5955 2000-01-28 Ulrich Drepper <drepper@redhat.com>
5957 * c-common.c: Adjust variable names, comments, help strings to c99.
5958 * c-lex.c: Likewise.
5959 * c-parse.y: Likewise.
5960 * c-tree.h: Likewise.
5962 * cpplib.h: Likewise.
5963 * c-decl.c: Likewise. Recognize options with names "*99" as well.
5964 * cppinit.c: Likewise.
5966 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5968 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
5969 * c4x.c: Define the optab rtx values.
5970 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
5971 (c4x_emit_libcall): Use new optab rtx values.
5972 (c4x_emit_libcall3): Likewise.
5973 (c4x_emit_libcall_mulhi): Likewise.
5974 * c4x-protos.h: Add prototypes for optab rtx values and change
5975 prototypes for above c4x_emit_libcall functions.
5977 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5979 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
5981 (c4x_function_prologue): Use regnames intead of float_reg_names when
5983 (c4x_function_epilogue): Likewise.
5984 (c4x_print_operand): Likewise.
5985 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
5986 * c4x.md (set_high): Disable for TARGET_TI.
5988 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5990 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
5991 of framepointer + constant to ADDR_REGS class.
5992 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
5993 * c4x.c (std_or_reg_operand): New function.
5994 * c4x-protos.h (std_or_reg_operand): Prototype it.
5996 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5998 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
5999 object names as libgcc2.c.
6000 * libgcc.S: Use newly defined names.
6002 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
6003 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
6005 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
6006 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
6007 (FLOW_LOOP_LAST_BLOCK): Likewise.
6009 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6011 * basic-block.h (struct loop): New fields 'first' and 'last'.
6012 * flow.c (flow_loops_find): Compute loop->first and loop->last.
6013 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
6014 and loop->last to check for NOTE_INSN_LOOP_END.
6016 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
6018 * predict.c (estimate_probability): Use the new FIRST and LAST fields
6019 of the loop descriptor rather than HEADER and LATCH. Also added
6020 missing break statements as well making some coding style modifications
6021 as suggested by Michael Hayes.
6023 2000-01-28 Richard Henderson <rth@cygnus.com>
6025 * flow.c (find_basic_blocks): Remove do_cleanup argument.
6026 Break out that code ...
6027 (cleanup_cfg): ... here.
6028 (commit_one_edge_insertion): Detect a return instruction being
6029 emitted to an edge. Emit a barrier following; clear fallthru.
6030 (commit_edge_insertions): Verify CFG consistency.
6031 * function.c (expand_function_start): Kill unused variable.
6032 (expand_function_end): Likewise.
6033 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
6034 to insert the epilogue.
6036 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
6037 (delete_null_pointer_checks): Likewise.
6038 * output.h: Likewise.
6039 * reg-stack.c (reg_to_stack): Likewise.
6040 * toplev.c (rest_of_compilation): Likewise. Run
6041 thread_prologue_and_epilogue_insns after rebuilding the CFG.
6043 2000-01-28 Richard Henderson <rth@cygnus.com>
6045 * Makefile.in (flow.o): Revert 24 Jan change.
6046 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
6047 FUNCTION_VALUE result to DECL_RESULT's mode.
6049 * haifa-sched.c (schedule_insns): Don't recompute reg info
6052 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
6054 * configure.in: Make --enable-cpplib the default.
6055 * configure: Regenerate.
6056 * gcc.dg/990119-1.c: No longer expected to fail.
6058 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
6060 * jump.c (jump_optimize_1): Delete an optimization that is also done
6061 by merge_blocks in flow.
6063 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6065 * diagnostic.c (build_message_string, output_printf,
6066 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
6067 (build_location_prefix): Fix non-literal format string.
6069 2000-01-27 Richard Henderson <rth@cygnus.com>
6071 * alpha.md (trunctfsf2): New.
6073 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
6075 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
6077 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6079 * cppinit.c (cpp_handle_option): Recognize C++ comments under
6081 * cpplib.c (skip_block_comment, skip_line_comment): Split code
6083 (skip_comment) ... here. Permit C++ comments in system
6084 headers always. Warn about C++ comments in user code under
6085 -std=gnu89 -pedantic.
6086 (copy_comment): Use skip_comment.
6087 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
6089 (consider_directive_while_skipping, do_else, do_endif): Call
6090 validate_else unconditionally.
6091 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
6092 text after the conditional in a system header.
6093 * cpplib.h (struct cpp_buffer): Add flag
6094 warned_cplusplus_comments.
6096 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6098 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
6099 Use unshare_all_rtl_1.
6100 (unshare_all_rtl_again): New function.
6101 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
6103 * function.c (purge_addressof_1): Use unshare_all_rtl_again
6104 rather than resetting the 'used' flags ourself.
6106 * toplev.c (rest_of_compilation): Add current_function_decl
6107 to the unshare_all_rtl call.
6108 * tree.h: Prototype unshare_all_rtl.
6109 * rtl.h: Prototype unshare_all_rtl_again here.
6111 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6113 * genoutput.c (output_prologue): Include ggc.h in generated
6115 * Makefile.in (insn-output.o): Depends on ggc.h.
6117 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
6118 Hans-Peter Nilsson <hp@bitrange.com>
6120 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
6121 Remove redundant include of xm-ns32k.h.
6122 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
6123 Remove redundant include of xm-ns32k.h.
6124 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
6125 Remove redundant include of xm-ns32k.h.
6126 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
6128 * ns32k/ns32k.h: Update comment on multiply-add instructions.
6129 (TARGET_SWITCHES): Add documentation strings.
6130 (DWARF_FRAME_REGNUM): Override default definition.
6131 (REG_CLASS_CONTENTS): Add comments.
6132 (SUBSET_P): Format to reduce line length.
6133 (SMALL_REGISTER_CLASSES): Make a run time option.
6134 (GO_IF_NONINDEXED_ADDRESS): Reformat.
6135 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
6136 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
6137 (regclass_map): fix typo in comment.
6138 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
6139 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
6140 (trace, reg_or_mem_operand): Delete, unused function.
6141 (calc_address_cost): Small offsets are cheaper than large ones.
6142 (expand_block_move): Generate more efficient code when bytes is a
6143 known at compile time.
6144 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
6145 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
6146 instead of reg_or_mem_operand.
6148 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
6149 not general_operand. Similarly use "=rm" or stricter, not "=g".
6150 For input operands, use stricter constraints than "g" if not
6151 general_operand. Similarly use stricter predicate than
6152 "general_operand" when stricter constraints than "g" are present,
6153 except for matching constraints.
6154 (movstrsi): Use "memory_operand" for operands 0 and 1.
6155 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
6156 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
6157 not reg_or_mem_operand.
6158 (udivmoddisi4): Ditto.
6159 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
6160 Use nonimmediate_operand for operand 3, not register_operand.
6161 (udivmoddiqi4_internal): Use register_operand for operand 1, not
6164 2000-01-27 Fred Fish <fnf@be.com>
6166 * gthr-posix.h: Fix typo; compatibily -> compatibility.
6167 * gthr-single.h: Likewise.
6168 * gthr-solaris.h: Likewise.
6169 * gthr-vxworks.h: Likewise.
6170 * gthr-win32.h: Likewise.
6173 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6175 * cppinit.c: Add " (cpplib)" to end of string printed by
6178 2000-01-27 Richard Henderson <rth@cygnus.com>
6180 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
6181 testing for a signed comparison.
6182 (alpha_emit_floatuns): New.
6183 * alpha-protos.h: Declare it.
6184 * alpha.md (floatunsdisf2, floatunsdidf2): New.
6185 (extendsfdf2): Tidy.
6187 2000-01-27 Jakub Jelinek <jakub@redhat.com>
6189 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
6190 no -g option specifying debugging format, default to -gstabs+.
6192 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6194 * calls.c (special_function_p): New argument fork_or_exec.
6195 (expand_call): When profile_arc_flag is set and the function
6196 is in the fork_or_exec group, call __bb_fork_func first.
6197 * libgcc2.c, _bb module (__bb_fork_func): New function.
6198 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
6200 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
6201 * tree.h (special_function_p): Update prototype.
6203 2000-01-26 Richard Henderson <rth@cygnus.com>
6205 * alpha.c (alpha_split_tfmode_pair): New.
6206 * alpha-protos.h: Declare it.
6207 * alpha.md (abstf2, negtf2): New.
6208 (movtf insn): Add input G constraint.
6209 (movtf splitter): Use alpha_split_tfmode_pair.
6211 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6213 * i386/cygwin.h: PROTO -> PARAMS.
6215 2000-01-26 Jakub Jelinek <jakub@redhat.com>
6217 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
6218 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
6219 using _Qp_cmp/_Q_cmp and testing the return value.
6220 (print_operand): Call reverse_condition_maybe_unordered if
6221 we are handling CCFPmode or CCFPEmode.
6222 Handle ORDERED, UN* and LTGT comparisons.
6223 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
6224 if not TARGET_HARD_QUAD.
6225 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
6226 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
6227 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
6228 Adjust gen_b* calls so that they reflect return comparison of
6229 sparc_emit_float_lib_cmp.
6231 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6233 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
6234 incoming operands array is large enough for one more operand.
6235 (alpha_emit_xfloating_arith): Likewise.
6237 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6239 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
6240 file with one line and no trailing newline.
6241 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
6242 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
6243 checking if the match is on the line.
6244 * fixinc/gnu-regex.c: Provide regerror not __regerror.
6246 2000-01-25 Richard Henderson <rth@cygnus.com>
6248 * sparc.c (output_cbranch): Fix accidental squashing of the
6249 fp branch pre-delay nop.
6251 2000-01-25 Richard Henderson <rth@cygnus.com>
6253 * tree.def (UNNE_EXPR): Remove.
6254 * c-typeck.c (build_binary_op): Don't handle it.
6255 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
6257 * rtl.def (UNNE): Remove.
6259 * jump.c (reverse_condition): Update accordingly.
6260 (swap_condition): Likewise.
6261 (comparison_dominates_p): Handle unordered comparisons.
6262 (reverse_condition_maybe_unordered): New.
6263 * rtl.h (reverse_condition_maybe_unordered): Declare.
6265 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
6266 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
6267 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
6268 * sparc.md (bltgt): New.
6270 2000-01-25 Nick Clifton <nickc@redhat.com>
6272 * emit-rtl.c (emit_insn): Only check machine class insns for
6273 improper emission of a RETURN.
6275 2000-01-25 Richard Henderson <rth@cygnus.com>
6277 * Makefile.in (flow.o): Depend on $(EXPR_H).
6278 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
6279 duplicate the structure of diddle_return_value for keeping regs live.
6281 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6283 * loop.c (current_loop_info): Delete.
6284 (consec_sets_invariant_p): Add loop argument, update callers.
6285 (get_condition_for_loop): Likewise.
6286 (count_nonfixed_reads, update_giv_derive): Likewise.
6287 (simplify_giv_expr, general_induction_var): Likewise.
6288 (consec_sets_giv, recombine_givs): Likewise.
6289 (move_movables): Delete loop_start and loop_end arguments,
6290 add loop argument, and update callers.
6291 (find_mem_givs, check_final_value): Likewise.
6292 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
6293 (loop_invariant_p): Rename from invariant_p, add loop argument, and
6295 (basic_induction_var): Add loop argument, delete loop_level argument,
6297 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
6298 add loop argument, and update callers.
6299 (find_splittable_regs, find_splittable_givs): Likewise.
6300 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
6301 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
6302 (biv_total_increment): Delete loop_start and loop_end arguments;
6304 (precondition_loop_p): Delete loop_start and loop_info arguments;
6306 * loop.h (get_condition_for_loop): Add loop argument.
6307 (biv_total_increment): Delete loop_start and loop_end arguments.
6308 (precondition_loop_p): Delete loop_start and loop_info arguments;
6310 (final_biv_value): Delete loop_start and loop_end arguments;
6312 (final_giv_value, back_branch_in_range_p): Likewise.
6314 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6316 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
6318 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6320 * Makefile.in (c-gperf.h) : Change the "See" pointer to
6321 point to the new "generated_files" doc.
6323 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6325 * config/fp-bit.c (_unord_f2): Fix typo.
6327 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6329 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
6330 c-typeck.c, objc/objc-act.c: Remove all references to obstack
6331 functions obsoleted by GC, such as push_obstacks_nochange,
6332 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
6333 and code which existed only to decide whether or not to call
6334 them. Remove now-unused NESTED argument from start_function;
6335 all callers changed. Do not change behavior based on ggc_p.
6336 The use of the ixp_obstack in c-iterate.c and the util_obstack
6337 in objc/objc-act.c remain; these are not obsoleted by garbage
6339 * c-tree.h: Update prototype for start_function.
6341 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
6343 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6345 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
6348 2000-01-25 Richard Henderson <rth@cygnus.com>
6350 * sparc-protos.h (select_cc_mode): Declare.
6351 * sparc.c (select_cc_mode): New. Handle unordered compares.
6352 (output_cbranch): Always reverse via code change. Handle
6353 unordered compares. Factor tests and string updates.
6354 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
6355 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
6356 * sparc.md (bunordered, bordered): New.
6357 (bungt, bunlt, buneq, bunge, bunle): New.
6359 2000-01-25 Richard Henderson <rth@cygnus.com>
6361 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
6362 * ggc-common.c (ggc_add_rtx_varray_root): New.
6363 (ggc_mark_rtx_varray): New.
6364 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
6365 functions down below ggc_mark_foo.
6366 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
6368 2000-01-25 Richard Henderson <rth@cygnus.com>
6370 * alpha.c (secondary_reload_class): Don't allocate a secondary
6371 for integral mode memories into FLOAT_REGS. Rearrange the more
6372 complicated memory expression inward.
6374 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6376 * inclhack.def: Fixes to play nicer with FreeBSD, and
6377 corrections to comments.
6378 (cxx_unready): Add select expression.
6379 (irix_sockaddr): Add bypass expression.
6380 (machine_ansi_h_va_list): New fix.
6381 (stdio_va_list): No need to edit _BSD_VA_LIST_.
6382 Split out addition of "#include <stdarg.h>" to...
6383 (stdio_stdarg_h): ... here.
6384 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
6385 to stdlib.h also. Do not munge _BSD_SIZE_T_.
6386 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
6388 (ultrix_ifdef): Tighten up select expression.
6390 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
6391 re_ct and max_mach to avoid use of shell. Make printed names
6392 match names in inclhack.def. Use static copyright date.
6393 Don't count c_test and test expressions as requiring regex_t
6394 slots. Add some commentary.
6395 * inclhack.tpl: Do not include the 'This script contains N
6396 fixup scripts' line if PROGRAM is defined. Use static
6399 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
6401 * dwarf2out.c: include "varray.h", not dyn-string.h.
6402 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
6403 (addr_const_to_string, addr_to_string): Lose.
6404 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
6405 (struct dw_val_struct): val_addr is now an rtx.
6406 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
6407 (used_rtx_varray): New varray.
6408 (dwarf2out_init): Initialize it.
6410 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
6412 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
6413 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
6414 * Makefile.in (dwarf2out.o): Update dependencies.
6416 2000-01-24 Richard Henderson <rth@cygnus.com>
6418 * i386.c (i386_dwarf_output_addr_const): New.
6419 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
6421 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
6423 * dwarfout.c (output_mem_loc_descriptor): Likewise.
6424 * i386.c (i386_simplify_dwarf_addr): New.
6425 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
6427 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
6429 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
6430 TYPE_STUB_DECL is NULL.
6432 2000-01-24 Richard Henderson <rth@cygnus.com>
6434 * builtins.c (expand_tree_builtin): Move ...
6435 * c-common.c (expand_tree_builtin): ... here.
6437 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6439 * loop.h (LOOP_INFO): New accessor macro.
6440 * basic-block.h (struct loop): Rename field `info' to `aux'.
6441 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
6442 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
6443 * unroll.c (loop_iterations, unroll_loop): Likewise.
6445 2000-01-24 Christopher Faylor <cgf@cygnus.com>
6447 * config/i386/t-cygwin: Accomodate new winsup directory layout
6448 when searching for include files.
6450 2000-01-24 Richard Henderson <rth@cygnus.com>
6452 * rtl.def: Add unordered fp comparisions.
6453 * tree.def: Likewise.
6454 * tree.h: Add ISO C 9x unordered fp comparision builtins.
6456 * builtins.c (expand_tree_builtin): New function.
6457 * c-typeck.c (build_function_call): Use it.
6458 (build_binary_op): Support unordered compares.
6459 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
6461 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
6462 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
6463 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
6464 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
6465 * jump.c (reverse_condition): Don't abort for UNLE etc, but
6467 (swap_condition): Handle unordered compares.
6468 (thread_jumps): Check can_reverse before reversing.
6469 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
6472 * optabs.c (can_compare_p): New argument CODE. Verify branch or
6473 setcc is present before acking for cmp_optab. Update all callers.
6474 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
6475 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
6476 * expr.c (expand_expr): Likewise. Support unordered compares.
6477 (do_jump, do_store_flag): Likewise.
6478 * expr.h (enum libfunc_index): Add unordered compares.
6480 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
6481 (DPBIT_FUNCS): Add _unord_df.
6482 * config/fp-bit.c (_unord_f2): New.
6483 * fp-test.c (main): Try unordered compare builtins.
6485 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
6486 * alpha.c (alpha_comparison_operator): Check mode properly.
6487 (alpha_swapped_comparison_operator): Likewise.
6488 (signed_comparison_operator): Likewise.
6489 (alpha_fp_comparison_operator): New.
6490 (alpha_emit_conditional_branch): Handle unordered compares.
6491 * alpha.h (PREDICATE_CODES): Update.
6492 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
6493 (bunordered, bordered): New.
6495 2000-01-24 Richard Henderson <rth@cygnus.com>
6497 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
6498 * alpha.md (movtf): New expander, insn, and splitter.
6500 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
6502 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6505 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
6507 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
6508 (FIXED_REGISTERS, CALL_USED_REGISTERS,
6509 REG_ALLOC_ORDER): Add frame pointer
6510 (FRAME_POINTER_REGNUM): Set to 20
6511 (HARD_FRAME_POINTER_REGNUM): New macro.
6512 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
6513 to HARD_FRAME_POINTER.
6514 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
6515 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
6516 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
6517 (HI_REGISTER_NAMES): Add "frame".
6518 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
6519 (debug_reg): Handle FRAME_POINTER_REGNUM.
6520 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
6521 GENERAL_REGS and INDEX_REGS.
6522 * i386.c (SAVED_REGS_FIRST): new macro.
6523 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
6524 (ix86_decompose_address, memory_address_length): Likewise.
6525 (regclass_map): Add frame pointer.
6526 (call_insn_operand): Handle frame_pointer_rtx.
6527 (reg_no_sp_operand): Likewise.
6528 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
6529 (print_operand, legitimize_pic_address): Fix formating.
6530 (ix86_compute_frame_size): Make static, update prototype, new
6531 parameters padding1, padding2, use ix86_nsaved_regs, use
6532 stack_alignment_needed.
6533 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
6534 to HARD_FRAME_POINTER_REGNUM conversions.
6535 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
6536 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
6537 (print_reg): Abort on FRAME_POINTER_REGNUM
6539 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
6541 * i386.h (PREDICATE_CODES): Add aligned_operand.
6542 * i386.c (aligned_operand): New function.
6543 (ix86_aligned_p): Kill.
6544 * i386.md (movhi_1): Emit mov for aligned operands.
6545 (promoting peep2s): Use aligned_operand.
6547 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
6549 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
6550 expression to allow underscores in macro names.
6551 (fix_char_macro_defines): Increment scanning pointer.
6553 2000-01-23 Richard Henderson <rth@cygnus.com>
6555 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
6556 * alpha/osf5.h: New file.
6557 * configure.in (alpha-*-osf5): Add it to tm_file.
6559 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
6561 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
6562 (alpha_emit_xfloating_cvt, function_arg): Declare.
6563 * alpha.c (alpha_emit_conditional_branch): Call
6564 alpha_emit_xfloating_compare for TFmode compares.
6565 (alpha_lookup_xfloating_lib_func): New.
6566 (alpha_compute_xfloating_mode_arg): New.
6567 (alpha_emit_xfloating_libcall): New.
6568 (alpha_emit_xfloating_arith): New.
6569 (alpha_emit_xfloating_compare): New.
6570 (alpha_emit_xfloating_cvt): New.
6571 (print_operand): Add default abort case.
6572 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
6573 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
6574 (BIGGEST_ALIGNMENT): Increase to 128 bits.
6575 (RETURN_IN_MEMORY): True for TF/TCmode.
6576 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
6577 (FUNCTION_ARG): Move to function_arg.
6578 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
6579 (ASM_OUTPUT_LONG_DOUBLE): New.
6580 (ASM_OUTPUT_DOUBLE): Always output bits.
6581 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
6582 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
6583 (extenddftf2, trunctfdf2): New.
6585 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6587 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
6588 * config/sparc/sol2.h: ... here.
6590 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6592 * basic-block.h (struct loops): New field `levels'.
6593 * flow.c (flow_loops_level_compute): Traverse all outer loops.
6594 (flow_loop_level_compute): Initialise level to 1.
6595 (flow_loops_find): Set loops->levels.
6596 (flow_loops_dump): Print loops->levels.
6598 2000-01-23 Richard Henderson <rth@cygnus.com>
6600 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
6601 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
6603 2000-01-23 Richard Henderson <rth@cygnus.com>
6605 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
6606 * i386.h (DBX_REGISTER_NUMBER): Use them.
6607 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
6608 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
6609 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
6610 * i386/sequent.h: Kill incorrect comment.
6612 2000-01-23 Mark Mitchell <mark@codesourcery.com>
6614 * ggc-page.c (struct page_entry): Make `context_depth' an
6616 (struct globals): Likewise.
6618 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
6620 * loop.c (check_dbra_loop): When checking a loop for
6621 reversability, check the source of any stores to ensure
6622 they don't depend on an initial value.
6624 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6626 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
6628 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
6630 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
6631 'pz_scan' into scope of entire function. Only affects
6632 compiles with -DDEBUG.
6634 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
6636 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
6637 section naming to that prior to 2000-01-07 patch.
6638 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
6639 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
6640 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
6641 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
6642 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
6644 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
6646 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
6649 2000-01-21 Jim Wilson <wilson@cygnus.com>
6651 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
6652 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
6654 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
6656 * cpphash.c (change_newlines): Delete function.
6657 (struct argdata): Delete 'newlines' and 'use_count' fields.
6658 (macroexpand): Remove code referencing those fields.
6660 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6662 * loop.c (loops_info): New variable.
6663 (loop_optimize): Allocate loops->array and free it on exit.
6664 Allocate memory for loops_info and assign to each loop,
6666 (find_and_verify_loops): Do not allocate loops->array.
6668 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
6670 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
6672 2000-01-21 Jakub Jelinek <jakub@redhat.com>
6674 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
6675 pseudos if expanded after first flow.
6676 (movdi_pic_label_ref): Likewise.
6678 2000-01-20 Richard Henderson <rth@cygnus.com>
6680 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
6682 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
6684 * Makefile.in (fixinc.sh): Depend on specs.
6685 * fixinc/Makefile.in: Add rule to create machname.h.
6686 (fixlib.o): Depend on machname.h.
6687 * fixinc/fixtests.c (machine_name): New test.
6688 * fixinc/fixfixes.c (machine_name): New fix.
6689 * fixinc/fixlib.c (mn_get_regexps): New helper function for
6690 the machine_name test and fix.
6691 * fixinc/fixlib.h: Prototype it.
6692 * fixinc/inclhack.def (machine_name): Use the C test and fix.
6693 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
6695 * gcc.c (do_spec_1) [case P]: Take care not to create
6696 identifiers with three leading or trailing underscores.
6698 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
6699 (fixincl): Don't specify libraries twice on link line.
6700 (gnu-regex.o): Remove special rule.
6701 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
6702 defined by config.h. Do not define _REGEX_RE_COMP.
6703 (regcomp): Allocate and initialize a fastmap.
6704 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
6706 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
6708 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
6710 2000-01-19 Richard Henderson <rth@cygnus.com>
6712 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
6713 arguments with BB. Update all callers. Tidy line wrapping.
6715 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
6717 * emit-rtl.c (try_split): Return last_insn if we split the
6720 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
6722 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
6723 (ix86_initial_elimination_offset): Declare.
6724 * i386.c (ix86_nsaved_regs): Break out from ...
6725 (ix86_can_use_return_insn_p): ... here.
6726 (ix86_emit_save_regs): Break out from ...
6727 (ix86_expand_prologue): ... here.
6728 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
6730 (ix86_expand_epilogue): ... here.
6731 (ix86_compute_frame_size): Make static, add prototype.
6732 (ix86_initial_elimination_offset): Break out from ...
6733 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
6735 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6737 * recog.h (OUT_FCN): Delete.
6739 * vax.md: Call `get_insn_template' instead of OUT_FCN.
6741 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6743 * cppalloc.c: PROTO -> PARAMS.
6744 * cpperror.c: Likewise.
6745 * cppfiles.c: Likewise.
6746 * cpplib.c: Likewise.
6747 * cpplib.h: Likewise.
6749 * config/arm/arm-protos.h: PROTO -> PARAMS.
6750 * config/arm/arm.c: Likewise.
6751 * config/c4x/c4x.c: Likewise.
6752 * config/fr30/fr30-protos.h: Likewise.
6753 * config/nextstep.c: Likewise.
6754 * config/pa/pa.c: Likewise.
6755 * config/pj/pj.c: Likewise.
6756 * config/rs6000/rs6000.c: Likewise.
6757 * config/v850/v850-protos.h: Likewise.
6758 * config/v850/v850.c: Likewise.
6760 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6762 * i370-protos.h: New file.
6764 * i370.c: Include tm_p.h. Fix compile time warnings.
6766 * i370.h: Move prototypes to i370-protos.h. Fix compile time
6769 * i370.md: Likewise.
6771 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6773 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
6774 (target_isinf, target_isnan, eisnan): Mark parameter with
6776 (eiisinf): Wrap in INFINITY.
6777 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
6778 (ibmtoe): Remove unused variable `rndsav'.
6780 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6782 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
6783 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
6785 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
6787 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
6788 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
6789 (fix_char_macro_defines, fix_char_macro_uses): New functions.
6791 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
6792 Recognize Emacs mode markers also.
6793 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
6794 C++ comments in C++ headers. Call is_cxx_header only if
6797 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
6799 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
6800 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
6801 ... these, which use the new C fixes.
6802 (math_exception): Escape literal '+' in bypass expression.
6804 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
6807 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6809 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
6812 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6814 * loop.c (loop_optimize): Allocate loop_info structure for each loop
6815 prior to calling scan_loop.
6817 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6819 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
6820 (split_branches, calc_live_regs): Likewise.
6822 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6824 * sh.md (fpu_single, fp_mode): New attributes.
6826 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6828 * loop.c (current_loop_info): Renamed from loop_info_data
6829 and changed to a pointer.
6830 (loop_optimize): Allocate loop_info structure for each loop
6831 and initialise to zero.
6832 (scan_loop): Set current_loop_info.
6834 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
6837 2000-01-19 Richard Henderson <rth@cygnus.com>
6839 * stupid.c: Die die die.
6840 * Makefile.in (OBJS): Remove stupid.o.
6841 (stupid.o): Likewise.
6843 * except.c (emit_eh_context): Don't emit USEs for stupid.
6844 * explow.c (probe_stack_range): Likewise.
6845 * flags.h (obey_regdecls): Remove.
6846 * flow.c (find_basic_blocks): Don't run try_merge_blocks
6847 when not optimizing.
6848 (life_analysis): Limit data collection when not optimizing.
6849 (mark_regs_live_at_end): Always mark the return value registers.
6850 (mark_used_regs): Remove dummy RETURN case.
6851 (print_rtl_with_bb): Don't consult obey_regdecls.
6852 * function.c (use_variable, use_variable_after): Remove.
6853 (assign_parms): Consult optimize not obey_regdecls.
6854 (expand_function_start): Don't emit USEs for stupid.
6855 (expand_function_end): Likewise.
6856 * global.c (build_insn_chain): Export.
6857 * integrate.c (expand_inline_function): Kill return-value USE
6859 * jump.c (jump_optimize_1): Do simple jump optimizations and
6860 dead code elimination.
6861 (calculate_can_reach_end): Remove check_deleted argument.
6862 (delete_insn): Patch out insns even when not optimizing.
6863 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
6864 * rtl.h (use_variable, use_variable_after): Remove declarations.
6865 (build_insn_chain): Declare.
6866 * stmt.c (expand_value_return): Don't emit USEs for stupid.
6867 (expand_end_bindings): Likewise.
6868 (expand_decl): Likewise. Consult optimize not obey_regdecls.
6869 * toplev.c (obey_regdecls): Remove.
6870 (rest_of_compilation): Don't set it. Kill stupid in favour of
6871 flow1, local-alloc, and reload.
6872 (main): Don't set obey_regdecls.
6874 * config/nextstep.c (handle_pragma): Likewise.
6876 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
6878 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
6880 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6882 * alpha-protos.h: PROTO -> PARAMS.
6883 * alpha.c: Likewise.
6885 * h8300.c: Likewise.
6886 * i386-protos.h: Likewise.
6888 * m32r-protos.h: Likewise.
6891 * mips.md: Likewise.
6892 * gmon-sol2.c: Likewise.
6893 * sparc.c: Likewise.
6895 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6897 * ns32k-protos.h: New file.
6899 * ns32k.c: Fix compile time warnings.
6901 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
6904 * ns32k.md: Likewise.
6906 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6908 * vax-protos.h: New file.
6910 * vax.c: Fix compile time warnings.
6912 * vax.h: Move prototypes to vax-protos.h. Fix compile time
6917 * vaxv.md: Likewise.
6919 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6921 * romp-protos.h: New file.
6923 * romp.c: Fix compile time warnings.
6925 * romp.h: Move prototypes to romp-protos.h. Fix compile time
6928 * romp.md: Likewise.
6930 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6932 * we32k-protos.h: New file.
6934 * we32k.c: Fix compile time warnings.
6936 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
6939 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6941 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
6943 * except.c (eh_regs): Likewise.
6945 * final.c (output_operand): Likewise.
6947 * fold-const.c (target_isinf, target_isnan): Likewise.
6949 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6951 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
6952 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
6954 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
6956 (clrstrsi): Rewrite.
6957 (strsethi, strsetqi): New expanders.
6958 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
6959 (cmpstrsi): Emit compare insn before cmpstrsi_1
6960 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
6961 (strlensi_1): Likewise.
6962 (cmpstrsi_1): Likewise; do not output compare.
6963 (strlen expander): Do not unroll when optimizing for size.
6964 (*subsi3_carry): Rename to subsi3_carry
6965 (addqi3_cc): New pattern.
6966 * i386.h (processor_costs): Add move_ratio field.
6967 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
6968 * i386.c (*_cost): Set move_ratio.
6969 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
6970 (x86_expand_strlensi_1): Rewrite the main loop.
6972 2000-01-17 Richard Henderson <rth@cygnus.com>
6974 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
6975 * cse.c (find_comparison_args, fold_rtx): Likewise.
6976 * integrate.c (subst_constants): Likewise.
6977 * loop.c (get_condition): Likewise.
6979 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
6981 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
6983 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6985 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
6986 (RESTORE_WARN_FLAGS): Unpack it.
6987 Change semantic type of extension to ttype.
6988 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
6989 * c-parse.y, c-parse.c, objc/objc-parse.y,
6990 objc/objc-parse.c: Regenerate.
6992 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
6994 * fixinc/fixlib.c: Add copyright notice.
6995 (compile_re): New function.
6996 * fixinc/fixlib.h: Prototype compile_re.
6998 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
6999 Use compile_re to compile regular expressions.
7001 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
7002 where the pattern matched.
7004 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
7006 (ultrix_ansi_compat): Likewise.
7007 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
7009 (interactv_add2, interactv_add3): Delete.
7010 (x11_sprintf): Don't use filename glob.
7011 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
7014 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7016 * print-rtl.c: PROTO -> PARAMS.
7018 * reg-stack.c: Likewise.
7019 * resource.c: Likewise.
7020 * sdbout.h: Likewise.
7021 * simplify-rtx.c: Likewise.
7022 * stor-layout.c: Likewise.
7023 * stupid.c: Likewise.
7024 * xcoffout.c: Likewise.
7025 * xcoffout.h: Likewise.
7027 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7029 * toplev.c: PROTO -> PARAMS.
7030 * toplev.h: Likewise.
7033 * unroll.c: Likewise.
7034 * varasm.c: Likewise.
7035 * varray.c: Likewise.
7036 * varray.h: Likewise.
7038 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7040 * reload.c: PROTO -> PARAMS.
7041 * reload.h: Likewise.
7042 * reload1.c: Likewise.
7043 * reorg.c: Likewise.
7044 * resource.h: Likewise.
7047 * rtlanal.c: Likewise.
7048 * sbitmap.h: Likewise.
7049 * sdbout.c: Likewise.
7050 * stack.h: Likewise.
7052 * system.h: Likewise.
7054 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7056 * machmode.h: PROTO -> PARAMS.
7057 * mbchar.h: Likewise.
7058 * mips-tdump.c: Likewise.
7059 * mips-tfile.c: Likewise.
7060 * optabs.c: Likewise.
7061 * output.h: Likewise.
7062 * prefix.c: Likewise.
7063 * profile.c: Likewise.
7064 * protoize.c: Likewise.
7066 * recog.c: Likewise.
7067 * recog.h: Likewise.
7068 * regclass.c: Likewise.
7069 * regmove.c: Likewise.
7072 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7074 * ggc-common.c: PROTO -> PARAMS.
7075 * ggc-page.c: Likewise.
7076 * ggc-simple.c: Likewise.
7078 * global.c: Likewise.
7079 * graph.c: Likewise.
7080 * gthr-win32.h: Likewise.
7081 * haifa-sched.c: Likewise.
7082 * halfpic.h: Likewise.
7083 * integrate.c: Likewise.
7084 * integrate.h: Likewise.
7087 * local-alloc.c: Likewise.
7091 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7093 * genattr.c: PROTO -> PARAMS.
7094 * genattrtab.c: Likewise.
7095 * gencheck.c: Likewise.
7096 * gencodes.c: Likewise.
7097 * genconfig.c: Likewise.
7098 * genemit.c: Likewise.
7099 * genextract.c: Likewise.
7100 * genflags.c: Likewise.
7101 * gengenrtl.c: Likewise.
7102 * genopinit.c: Likewise.
7103 * genoutput.c: Likewise.
7104 * genpeep.c: Likewise.
7105 * genrecog.c: Likewise.
7107 2000-01-16 Mark Mitchell <mark@codesourcery.com>
7109 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
7111 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7113 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
7114 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
7115 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
7116 * configure, config.in: Rebuilt.
7118 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
7120 * config/i386/i386.md: Add peephole to merge successive stack
7123 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
7125 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
7126 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
7127 when walking backwards to find all the parameter loads when
7128 the basic block ends in a call.
7130 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7132 * loop.c (this_loop_info): Delete.
7133 (uid_loop): Add in place of uid_loop_num. All uses updated.
7134 (loop_number_exit_count): Delete and replace with entry in loop
7135 structure. All uses updated.
7136 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7137 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7138 (loop_outer_loop): Likewise.
7139 (loop_invalid, loop_number_exit_labels): Likewise.
7140 (loop_used_count_register): Delete and replace with entry in
7141 loop_info structure.
7142 (find_and_verify_loops): Add loops argument.
7143 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
7144 loop_end, etc. arguments with loop structure pointer. All callers
7146 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
7147 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
7148 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
7149 (insert_bct): Likewise.
7150 (basic_induction_var): New argument level.
7151 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
7152 vtop, and cont. Add used_count_register.
7153 (uid_loop): Delete declaration.
7154 (loop_number_exit_count): Likewise.
7155 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7156 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7157 (loop_outer_loop, loop_used_count_register): Likewise.
7158 (loop_invalid, loop_number_exit_labels): Likewise.
7159 (unroll_loop): Replace loop_start and loop_end arguments
7160 with loop structure pointer.
7161 (loop_precondition_p, loop_iterations): Likewise.
7162 Include basic-block.h.
7163 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
7164 with loop structure pointer.
7165 (loop_precondition_p, loop_iterations): Likewise.
7166 * basic-block.h (struct loop): New entries vtop, cont,
7167 cont_dominator, start, end, top, scan_start, exit_labels,
7169 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
7171 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7173 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
7175 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
7177 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
7179 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7181 * pdp11-protos.h: New file.
7183 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
7186 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
7189 * pdp11.md: Likewise.
7193 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7195 * mn10300-protos.h: New file.
7197 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
7200 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
7203 * mn10300.md: Likewise.
7205 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7207 * mn10200-protos.h: New file.
7209 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
7212 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
7215 * mn10200.md: Likewise.
7217 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7219 * h8300-protos.h: New file.
7221 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
7224 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
7227 * h8300.md: Likewise.
7229 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7231 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
7232 (asm_emit_uninitialised): Likewise.
7234 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
7236 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
7237 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
7239 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7241 * config/mips/mips.c (override_options): Don't turn on extra
7242 alignment for mips16.
7244 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7246 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
7247 eabi, and make sure queued POSTINCREMENT rtl is emitted at
7250 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7252 * builtins.c (PAD_VARARGS_DOWN): Define.
7253 (std_expand_builtin_va_arg): Use the above macro.
7254 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
7255 * tm.texi (Register Arguments): Document the above macro.
7257 2000-01-14 Nick Clifton <nickc@cygnus.com>
7259 * emit-rtl.c (emit_insn): If checking is enabled, make sure
7260 that this function has not been used to emit a jump
7263 * jump.c (return_jump_1): Cope with being passed a null rtx.
7265 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7267 * eh-common.h: PROTO -> PARAMS.
7268 * emit-rtl.c: Likewise.
7269 * errors.c: Likewise.
7270 * errors.h: Likewise.
7271 * except.c: Likewise.
7272 * except.h: Likewise.
7273 * explow.c: Likewise.
7274 * expmed.c: Likewise.
7277 * final.c: Likewise.
7278 * fix-header.c: Likewise.
7280 * fold-const.c: Likewise.
7281 * function.c: Likewise.
7282 * function.h: Likewise.
7284 * gcov-io.h: Likewise.
7288 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7290 * sh-protos.h: New file.
7292 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
7293 Add static prototypes. Fix compile time warnings.
7295 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
7299 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7301 * arc-protos.h: New file.
7303 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
7306 * arc.h: Move prototypes to arc-protos.h. Fix compile time
7311 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * dsp16xx-protos.h: New file.
7315 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
7318 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
7321 * dsp16xx.md: Likewise.
7323 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7325 * convex-protos.h: New file.
7327 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
7330 * convex.h: Move prototypes to convex-protos.h. Fix compile time
7333 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7335 * elxsi-protos.h: New file.
7337 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
7340 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
7343 * elxsi.md: Likewise.
7345 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7347 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
7348 case for moving from HI/LO/HI_LO_REG. This makes the behavior
7349 match the comment for MIPS16.
7351 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
7353 * flow.c (split_edge): Do not call set_block_for_insn if we
7354 do not have a basic_block_for_insn structure.
7356 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
7357 and destination functions are 32bit aligned within the trampoline.
7358 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
7359 (TRAMPOLINE_ALIGNMENT): Define.
7361 * cse.c (cse_insn): When changing (set (pc) (reg)) to
7362 (set (pc) (label_ref)), verify the change creates a valid insn.
7364 * fr30.c (call_operand): Tighten and rework to match rules for
7365 call RTL expressions.
7366 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
7367 * fr30.md (call patterns): Improve constraints.
7369 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
7371 * fr30.c (fr30_expand_epilogue): Revert last change.
7372 Use emit_jump_insn for the return insn.
7374 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
7375 Stan Cox <scox@cygnus.com>
7377 * predict.c: New file. Preliminary infrastructure work for static
7378 branch prediction and basic block reordering.
7379 * basic-block.h: Add prototype for estimate_probability.
7380 * Makefile.in: Add rules for predict.o.
7382 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
7384 * fixincludes (va_list): Use __not_va_list__ for the dummy.
7385 * fixinc/*: Likewise.
7387 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7389 * cccp.c: PROTO -> PARAMS.
7391 * collect2.c: Likewise.
7392 * combine.c: Likewise.
7393 * convert.h: Likewise.
7395 * dbxout.c: Likewise.
7396 * dbxout.h: Likewise.
7397 * diagnostic.c: Likewise.
7398 * doprint.c: Likewise.
7399 * dwarf2out.c: Likewise.
7400 * dwarf2out.h: Likewise.
7401 * dwarfout.c: Likewise.
7402 * dwarfout.h: Likewise.
7403 * dyn-string.h: Likewise.
7405 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7407 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
7408 macro conditionals guarding use.
7410 * dwarf2out.c: Include "tm_p.h".
7412 * function.c (locate_and_pad_parm): Mark parameter with
7414 (expand_function_end): Likewise for variable `context'.
7416 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
7418 2000-01-13 Nick Clifton <nickc@cygnus.com>
7420 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
7421 register to prevent compile time warnings.
7423 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
7425 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
7426 to avoid -Wtraditional warning.
7428 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7430 * 1750a-protos.h: New file.
7432 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
7435 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
7438 * 1750a.md: Likewise.
7440 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7442 * a29k-protos.h: New file.
7444 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
7447 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
7450 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7452 * clipper-protos.h: New file.
7454 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
7457 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
7460 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7462 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
7464 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
7466 * configure.in (--enable-new-gxx-abi): New option.
7467 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
7468 * Makefile.in (GXX_ABI_FLAG): New variable.
7469 * configure: Regenerate.
7471 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7473 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
7474 * tm.texi (FORCE_STRUCT_BLK): Document.
7475 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
7477 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
7479 * config/ns32k/ns32k.md: Revert Jan 9 change.
7481 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
7482 to a mode-test, if the predicate is address_operand.
7484 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
7486 * combine.c (if_then_else_cond): Be careful about what kinds
7487 of RTL expressions are passed to operand_subword.
7489 * flow.c (split_edge): If we have to insert a new jump, make
7490 sure to associate it with a basic block.
7492 * flow.c (commit_one_edge_insertion): A block with one successor
7493 can end in a JUMP_INSN that is not a simplejump.
7495 2000-01-12 Robert Lipe <robertl@sco.com>
7497 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
7498 (BUILD_VA_LIST_TYPE): Define.
7499 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
7502 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
7504 * cccp.c (do_pragma): Add cast to (char *).
7506 2000-01-12 Richard Henderson <rth@cygnus.com>
7507 Fred Fish <fnf@be.com>
7508 Jason Merrill <jason@cygnus.com>
7510 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
7511 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
7512 * i386/beos-elf.h, i386/beos-pe.h: New files.
7514 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
7515 * cross-make (SYSTEM_HEADER_DIR): Define using
7516 CROSS_SYSTEM_HEADER_DIR.
7518 * gcc.c (LIBRARY_PATH_ENV): Provide default.
7519 (process_command): Use it.
7520 (main): Likewise. Kill trailing = from env vars.
7521 (build_search_list): Put it back.
7522 * collect2.c (main): Use LIBRARY_PATH_ENV.
7524 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
7525 * toplev.c: Use NEED_DECLARATION_ENVIRON.
7527 * tm.texi (Frame Layout): Document SMALL_STACK.
7528 * c-common.c (c_common_nodes_and_builtins): Check it.
7530 * system.h: Undef alloca after including glibc's <stdlib.h>,
7531 if USE_C_ALLOCA is defined.
7533 * gcc.c (set_input): New fn.
7534 (main): After all input files are compiled, reset the input file
7537 * aclocal.m4 (rindex, index): If already defined, don't attempt
7540 * ginclude/varargs.h: (__va_list__): Define ifndef.
7541 * ginclude/stdarg.h: Likewise.
7543 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
7544 instead of unsigned char.
7546 * hash.h (true, false, boolean): Undef before enum.
7548 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
7549 proper type of "HOST_WIDE_INT *", rather than their natural type of
7550 "unsigned HOST_WIDE_INT *".
7552 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7554 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
7556 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
7558 * regclass.c (choose_hard_reg_mode): Likewise.
7560 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
7562 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
7564 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7566 * c-common.c: PROTO -> PARAMS.
7567 * c-common.h: Likewise.
7568 * c-decl.c: Likewise.
7569 * c-iterate.c: Likewise.
7570 * c-lang.c: Likewise.
7571 * c-lex.c: Likewise.
7572 * c-lex.h: Likewise.
7573 * c-parse.in: Likewise.
7574 * c-pragma.c: Likewise.
7575 * c-pragma.h: Likewise.
7576 * c-tree.h: Likewise.
7577 * c-typeck.c: Likewise.
7578 * objc/objc-act.c: Likewise.
7579 * objc/objc-act.h: Likewise.
7581 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7583 * m88k-protos.h: New file.
7585 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
7588 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
7590 * m88k.md: Likewise.
7592 * tekXD88.h: Likewise.
7594 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7596 * m68k-protos.h: New file.
7598 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
7601 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
7603 * mot3300.h: Likewise.
7605 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
7607 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
7609 (extract_bitlist): Declare bitlen.
7611 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
7613 * cccp.c: Accept and ignore -lang-fortran.
7615 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
7616 qualifiers don't match at any level of pointerness.
7618 2000-01-12 Robert Lipe <robertl@sco.com>
7620 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
7622 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
7624 * reload1.c (reload_reg_unavailable): New static variable.
7625 (reload_reg_free_p): Test it.
7626 (reload_reg_free_for_value_p): Test it instead of
7628 (choose_reload_regs_init): Compute it.
7630 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
7632 * reorg.c (fill_slots_from_thread): Check modified_in_p
7635 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
7637 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
7638 these nodes even if INTERNALS is not set.
7640 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
7642 * gcse.c (delete_null_pointer_checks_1): Cope when
7643 get_condition cannot determine the condition.
7645 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
7647 * toplev.h (set_message_length): Declare.
7649 * diagnostic.c (obstack_chunk_alloc): Define macro.
7650 (obstack_chunk_free): Likewise.
7651 (struct output_buffer): New data structure.
7653 (output_maximum_width): New variable.
7654 (doing_line_wrapping, set_message_length, init_output_buffer,
7655 get_output_prefix, output_space_left, emit_output_prefix,
7656 output_newline, output_append, output_puts, dump_output,
7657 vbuild_message_string, build_message_string, build_location_prefix,
7658 voutput_notice, output_printf, line_wrapper_printf,
7659 vline_wrapper_message_with_location): New functions. Implement
7660 automatic line wrapping.
7661 (v_message_with_decl): Make it handle automatic line wrapping.
7662 (v_error_with_file_and_line): Likewise.
7663 (v_warning_with_file_and_line): Likewise.
7664 (announce_function): Likewise.
7665 (default_print_error_function): Likewise.
7667 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
7669 * cpplib.h (struct cpp_options): Change lang_asm to char.
7671 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
7672 done in cpp_handle_option now.
7673 (initialize_builtins): Take out special case code used only by
7675 (cpp_handle_option): Turn off trigraphs and trigraph warnings
7676 if -traditional. Recognize -lang-fortran and set
7677 lang_fortran, also turn off cplusplus_comments.
7678 (print_help): Document -lang-fortran.
7679 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
7680 lang_asm. Ignore all directives other than `# 123 "file"' if
7682 (cpp_get_token): If -traditional, don't recognize directives
7683 unless the # is in column 1.
7684 (parse_string): If lang_fortran or lang_asm, silently
7685 terminate strings ('' or "") at end of line.
7686 Remove unnecessary braces.
7688 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7689 Richard Henderson <rth@cygnus.com>
7691 * resource.c (mark_referenced_resources): Mark a set strict_low_part
7693 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
7694 strict_low_part when possible.
7696 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7698 * alias.c: PROTO -> PARAMS.
7699 * basic-block.h: Likewise.
7700 * bitmap.c: Likewise.
7701 * bitmap.h: Likewise.
7702 * builtins.c: Likewise.
7703 * c-aux-info.c: Likewise.
7704 * caller-save.c: Likewise.
7705 * calls.c: Likewise.
7707 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7709 * Makefile.in (toplev.o): Depend on regs.h.
7711 * output.h (tdesc_section): Prototype.
7713 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
7715 * sdbout.c: Include "tm_p.h".
7717 * toplev.c: Include "regs.h".
7719 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
7721 * unroll.c (unroll_loop): Add EH support.
7723 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7725 * pa-protos.h: New file.
7727 * pa.c: Include recog.h and tm_p.h.
7728 (compute_zdepwi_operands, compute_movstrsi_length,
7729 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
7730 find_addr_reg, import_milli): Add static prototypes.
7731 (pa_cpu_string, pa_arch_string): Constify a char*.
7732 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
7733 (read_only_operand): Add argument `mode'.
7734 (singlemove_string, output_move_double, output_fp_move_double,
7735 output_block_move, output_and, output_ior, output_ascii,
7736 remove_useless_addtr_insns, milli_names, output_mul_insn,
7737 output_div_insn, output_mod_insn, output_arg_descriptor,
7738 output_cbranch, output_bb, output_bvb, output_dbra, ,
7739 output_millicode_call, output_call, hppa_encode_label,
7740 output_parallel_movb, output_parallel_addb): Constify a char*.
7741 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
7742 (output_parallel_addb): Remove extra arg to `constrain_operands'
7744 * pa.h: Move all prototypes to pa-protos.h.
7745 (pa_cpu_string, pa_arch_string): Constify a char*.
7746 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
7748 * pa.md: Call `function_label_operand' with mode argument.
7749 Likewise for `read_only_operand'.
7750 Fix nesting of parens in call to `symbolic_operand'.
7752 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7754 * i860-protos.h: New file.
7756 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
7759 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
7761 * i860.md: Likewise.
7763 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
7765 * i386.md (movstrsi expander): Rewrite.
7766 (movstrsi_1 insn): Deleted.
7767 (strmovhi, strmovqi expander): New expanders.
7768 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
7769 * i386.c (x86_single_stringop): New global variable.
7770 * i386.h (x86_single_stringop): Declare.
7771 (TARGET_SINGLE_STRINGOP): New macro.
7773 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
7775 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
7776 integer vararg POSTINCREMENT before the destination of the jump
7777 for the hard fp case.
7778 (function_arg_pass_by_reference): Pass a copy of CUM to
7781 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
7782 for CONSTANT_ADDRESS_P above while loop for subreg.
7784 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
7786 * flow.c (propagate_block): When a prologue/epilogue insn
7787 is marked dead, unconditionally clear libcall_is_dead and
7788 insn_is_dead, and only dump rtl if warnings aren't being
7791 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
7793 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
7794 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
7795 (FIXED_REGISTERS): Set dirflag as fixed.
7796 (CALL_USED_REGISTERS): Set dirflag as used.
7797 (REG_ALLOC_ORDER): Set dirflag as last one.
7798 (DIRFLAG_REG): New macro.
7799 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
7800 (HI_REGISTER_NAMES): Add dirflag.
7801 (DEBUF_PRINT_REG): Handle dirflag.
7802 * i386.md (type attribute): New cld and str types.
7803 (length_opcode attribute): Set cld and str to 1.
7804 (memory attribute): Set str to unknown - it is not clear from the
7806 (pent_np function unit): Prefixed string operations takes 12 cycles
7807 minimally; cld takes 2 cycles.
7808 (ppro_uops attribute): Str is "many" and cld is "few".
7809 (ppro_p0 unit): Handle cld here.
7810 (k6_alux unit): Handle cld and str types.
7811 (k6_load unit): It is ocupied by str opcodes.
7812 (k6_store unit): It is ocupied by str opcodes.
7813 (athlon_decode): Str is vector decoded.
7814 (athlon_ieu): Handle str and cld.
7816 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
7817 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
7818 cmpstrsi_nz_1 insn): Do not output cld instruction
7820 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
7822 * gcc.texi (G++ and GCC): Add Java and Chill.
7823 (Bug Critera): Don't list languages.
7825 * gcc.texi (Incompatibilities): No longer claim most C compilers
7828 * gcc.texi (G++ and GCC): Update other front-ends list.
7830 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
7832 * i386.c (ix86_expand_setcc): Fix typo.
7833 (ix86_expand_movcc): Similarly.
7835 * Band-aid until haifa's bitset implementation is nuked.
7836 * haifa-sched.c (extract_bitlst): New parameter for size of the
7837 bitset in bits. All callers changed. Avoid looking at undefined
7839 (edgeset_bitsize): New variable.
7840 (schedule_region): Initialize edgeset_bitsize.
7842 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7844 * Makefile.in (optabs.o): Depend on real.h
7845 (resource.o): Depend on insn-attr.h
7847 * builtins.c (result_vector): Wrap prototype in macro conditions
7848 governing definition and use.
7850 * c-common.c: Include tm_p.h.
7852 * c-lex.c: Likewise.
7854 * elfos.h: Constify a char*.
7856 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
7857 (get_attr_length, shorten_branches, profile_after_prologue): Mark
7858 parameter with ATTRIBUTE_UNUSED.
7860 * fold-const.c (exact_real_inverse): Wrap variable `i' in
7863 * haifa-sched.c (schedule_insns): Mark parameter with
7866 * optabs.c: Include real.h.
7868 * real.h (ereal_atof): Add prototype arguments.
7870 * resource.c: Include insn-attr.h.
7872 * sdbout.c (sdbout_queue_anonymous_type,
7873 sdbout_dequeue_anonymous_types): Wrap in macro
7874 SDB_ALLOW_FORWARD_REFERENCES.
7875 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
7878 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
7880 * stupid.c: Include tm_p.h.
7882 * tree.c (real_value_from_int_cst): Mark parameter with
7885 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7887 * i960-protos.h: New file.
7889 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
7892 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
7894 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7896 * combine.c (expand_field_assignment): Do not discard SUBREGs
7897 while computing nonzero_bits.
7899 2000-01-09 Nick Clifton <nickc@cygnus.com>
7901 * config/arm/arm.c: Fix compile time warnings about signed vs
7903 * config/arm/arm.h: Fix compile time warnings about signed vs
7906 2000-01-09 Philip Blundell <philb@gnu.org>
7908 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
7909 than `ldm' with only one register.
7910 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
7913 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
7916 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
7918 * config/ns32k/ns32k.md (load or push effective address): Operand 1
7921 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7923 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
7924 assignment used as truth value.
7926 * function.c (assign_temp): Mark parameter `dont_promote' with
7927 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
7928 PROMOTE_FOR_CALL_ONLY.
7930 * genrecog.c (write_subroutine): Mark variable `operands' with
7933 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
7936 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
7937 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
7939 * toplev.c (note_deferral_of_defined_inline_function): Likewise
7942 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7944 * config/c4x.h: Tidy up comments.
7945 * config/c4x.c: Likewise.
7947 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
7949 * fold-const.c (lshift_double, rshift_double): Handle
7950 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
7952 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7954 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
7955 in prepare_function_start().
7957 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
7959 * config/v850/v850.c (expand_epilogue): Interrupt functions no
7960 longer allocate extra stack for function calls.
7962 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7964 * config/c4x/c4x.md (*subqf3_set): Fix typo.
7966 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7968 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
7970 2000-01-07 David Edelsohn <edelsohn@gnu.org>
7972 * rs6000.c (processor_target_table): Add power3 as alias for 630.
7973 * aix43.h: Revert Aug 2 change.
7974 (HAS_INIT_SECTION): Define, not visible yet.
7975 (LD_INIT_SWITCH): Define, not visible yet.
7976 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
7978 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
7980 * collect2.c (main): Expand ld2 size further.
7981 (export_object_lst): Cast assignment to avoid warning.
7982 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
7983 (scan_prog_file, COFF): Do not collect initialization or
7984 finalization functions generated for entire shared object if
7985 init/fini support present.
7987 2000-01-07 Nick Clifton <nickc@cygnus.com>
7989 * config/elfos.h: Tidy up formatting of marcos. Make sure
7990 that .section directives are always prefixed by a tab.
7992 * config/svr4.h: Add #include "elfos.h" and remove duplicate
7995 2000-01-07 Matt Austern <austern@sgi.com>
7997 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
8000 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
8002 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
8004 (crtbegin.o, s-crtS): Likewise.
8006 2000-01-06 Richard Henderson <rth@cygnus.com>
8008 * alpha.md (adddi_2+1): Limit offset such that it will be
8009 loadable with a single ldah+lda pair.
8010 (adddi_2+2): Explicitly fail split if we can't make it work.
8012 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
8014 * protoize.c: Conditionally include unistd.h.
8015 (IS_SAME_PATH_CHAR): New macro.
8016 (IS_SAME_PATH): New macro.
8017 (CPLUS_FILE_SUFFIX): New macro.
8018 (cplus_suffix): New static variable.
8019 (is_abspath): New static function.
8020 (in_system_include_dir): Handle DOS style pathnames.
8021 (file_could_be_converted): Likewise.
8022 (file_normally_convertible): Likewise.
8023 (directory_specified_p): Likewise.
8024 (file_excluded_p): Likewise.
8025 (abspath): Likewise.
8026 (shortpath): Likewise.
8027 (referenced_file_is_newer): Likewise.
8028 (save_def_or_dec): Likewise.
8029 (do_processing): Likewise.
8031 (edit_file): Likewise. Use rename instead of link.
8032 (rename_c_file): Likewise. Don't rename syscalls file.
8033 (munge_compile_params): Define null device for DOS based systems.
8034 (process_aux_info_file): Use binary mode if appliable.
8035 (edit_file): Likewise.
8036 * invoke.texi (Running Protoize): Document C++ suffixes used.
8038 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
8039 IS_DIR_SEPARATOR macros.
8040 * collect2.c: Likewise.
8041 * cppinit.c: Likewise.
8042 * dwarf2out.c: Likewise.
8045 * prefix.c: Likewise.
8047 * toplev.c: Likewise.
8048 * system.h: And move to here.
8050 * prefix.c (update_path): Fix typo in variable name.
8052 2000-01-06 Richard Henderson <rth@cygnus.com>
8054 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
8055 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
8056 (count_reg_sets_1, count_reg_references): Likewise.
8057 (flow_loops_level_compute): Start counting actual loop depth at 1.
8058 (flow_loops_find): Likewise.
8059 * local-alloc.c (update_equiv_regs): Likewise.
8060 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
8062 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8064 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
8065 FIRST_PSEUDO_REGISTER
8066 * dwarf2out.c: Don't include frame.h
8067 * dwarfout.c: Likewise
8068 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
8071 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
8073 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8076 * i386.c (movsf splitter): Fix typo in my last checkin.
8078 2000-01-05 Nick Clifton <nickc@cygnus.com>
8080 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
8081 own definition of this macro.
8082 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
8083 flag_data_sections or UNIQUE_SECTION_P are true.
8085 * tm.texi (UNIQUE_SECTION): Document that it can be called for
8086 unitialised data decls.
8088 * config/i386/winnt.c (i386_pe_unique_section): Cope with
8089 being called for uninitialised data.
8091 * config/i386/interix.c (i386_pe_unique_section): Cope with
8092 being called for uninitialised data.
8094 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
8095 for uninitialised data.
8097 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
8098 for uninitialised data.
8100 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
8101 for uninitialised data.
8103 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
8104 (UNIQUE_SECTION_P): Always generate a unique section if
8105 flag_data_sections is true.
8106 (UNIQUE_SECTION): Also generate unique sections for
8108 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
8109 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
8112 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8114 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
8117 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8119 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
8120 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
8121 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
8122 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
8123 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
8125 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
8127 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8129 * c-decl.c (finish_enum): Simplify code to determine minimum and
8130 maximum values of the enum, and calculate the type. Remove check
8131 for FUNCTION_DECLs in the values list, which cannot happen. Replace
8132 the DECL_INITIAL of each enumeration constant with a copy converted
8133 to the enumeration type. When updating variant types, don't bother
8134 updating the type itself.
8136 * c-typeck.c (build_binary_op): Simplify conditional expressions
8137 when weeding out spurious signed-unsigned warnings. Add new
8138 spurious warning category: if the unsigned quantity is an enum
8139 and its maximum value fits in signed_type(result_type). Update
8141 (build_conditional_expr): Warn here if one alternative is signed
8142 and the other is unsigned.
8144 2000-01-05 Nick Clifton <nickc@cygnus.com>
8146 * config/fr30/fr30.h: Remove extraneous comments.
8148 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
8150 * reload1.c (choose_reload_regs): When disabling a reload, also
8151 set reload_spill_index to -1.
8153 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8155 * configure.in (m68*-*-rtemscoff*): New target, formal name for
8157 (m68*-*-rtemself*): New target.
8158 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
8159 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
8160 (sparc*-*-rtemself*): New target.
8161 (sparc*-*-rtems*): Now elf not a.out.
8162 * config/i386/rtems.h: Include config/rtems.h.
8163 * config/i386/rtemself.h: Include config/rtems.h.
8164 * config/i960/rtems.h: Include config/rtems.h.
8165 * config/m68k/rtems.h: Include config/rtems.h.
8166 * config/m68k/rtemself.h: Include config/rtems.h.
8167 * config/mips/rtems64.h: Include config/rtems.h.
8168 * config/pa/rtems.h: Include config/rtems.h.
8169 * config/rs6000/rtems.h: Include config/rtems.h.
8170 * config/sh/rtems.h: Include config/rtems.h.
8171 * config/sh/rtemself.h: Include config/rtems.h.
8172 * config/sparc/rtems.h: Include config/rtems.h.
8173 * config/sparc/rtemself.h: Include config/rtems.h
8175 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
8177 * final.c (shorten_branches): Correctly compute length of
8178 asms without operands.
8180 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
8182 * configure.in: Add pj target.
8183 * configure: Regenerate.
8184 * config/pj: New directory.
8185 * config/pj/lib1funcs.S: New file.
8186 * config/pj/linux.h: New file.
8187 * config/pj/pj.c: New file.
8188 * config/pj/pj.md: New file.
8189 * config/pj/pjl.h: New file.
8190 * config/pj/t-pj: New file.
8191 * config/pj/xm-pj.h: New file
8193 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
8195 * toplev.c (rest_of_compilation): Run shorten-branches before
8198 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8200 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
8201 macros so that they're consistent with their names.
8202 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8203 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8205 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8207 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
8208 modified inadvertently.
8210 2000-01-04 Joel Sherrill <joel@OARcorp.com>
8212 * configure.in (v850*-*-rtems*): New target.
8213 * configure: Regenerate.
8214 * config/v850/rtems.h: New file.
8216 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
8218 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
8219 (__gthread_key_create): Likewise.
8220 (__gthread_key_dtor): Likewise.
8221 (__gthread_once): Fix logic.
8222 (__gthread_key_delete): Cast away constness.
8224 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
8225 * invoke.texi: Document.
8226 * i386/mingw32.h (CPP_SPEC): Use.
8227 (LIBGCC_SPEC): Likewise.
8228 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
8230 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8232 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
8233 (HANDLE_PRAGMA_PACK): Undefine.
8234 (SLOW_UNALIGNED_ACCESS): Define.
8236 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8238 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8239 to default definition.
8240 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
8241 (store_fixed_bit_field): Call macro with word_mode and alignment.
8242 (extract_bit_field): Call macro with relevant mode and alignment.
8243 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8244 to default definition.
8245 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
8247 (move_by_pieces_ninsns): Likewise.
8248 (clear_by_pieces): Likewise.
8249 (emit_push_insn): Likewise.
8250 (store_field): Call macro with relevant mode and alignment.
8251 (expand_expr): Likewise.
8252 (expand_expr_unaligned): Likewise.
8254 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8255 (SLOW_UNALIGNED_ACCESS): Define.
8256 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8257 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8258 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8259 (toc_section): Likewise and .toc pseudo-op.
8260 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8262 (TEXT_SECTION_ASM_OP): Likewise.
8263 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8266 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
8267 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
8268 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
8269 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
8270 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
8272 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
8274 * regclass.c: Revert my Jan 4 change to loop cost computation.
8276 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8278 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
8281 2000-01-04 Stan Cox <scox@cygnus.com>
8283 * haifa-sched.c (build_control_flow): Change unreachable simple
8284 loop test to check if current block has only one predecessor.
8285 (find_rgns): Initialize degree. Use dest as degree index, not src.
8287 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8289 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
8291 * calls.c (expand_call): Likewise for
8292 `old_stack_arg_under_construction'.
8294 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
8296 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
8299 * gcc.c (execute): Likewise for `ut' and `st'.
8301 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
8303 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
8305 * jump.c (jump_optimize_1): Likewise for `temp2'.
8307 * local-alloc.c (block_alloc): Likewise for `r1'.
8309 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
8311 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
8312 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
8314 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
8317 * reload.c (find_reloads): Likewise for `goal_alternative_number'
8318 and `goal_earlyclobber'.
8320 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
8322 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
8324 * stupid.c (stupid_life_analysis): Likewise for `chain'.
8326 * unroll.c (copy_loop_body): Likewise for `copy'.
8328 * varasm.c (output_constructor): Likewise for `byte'.
8330 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8332 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
8333 all FP constants for constant->reg moves.
8334 (ix86_split_to_parts): Try to convert memory address into immediate
8335 when available in the constant pool.
8336 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
8338 (LEGITIMATE_CONSTANT_P): Return 1.
8339 * i386.md (pushsf): New splitter to convert constant pool memory
8340 reference to immediate.
8341 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
8344 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
8346 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
8347 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
8348 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
8349 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
8350 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
8352 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
8354 * ginclude/stdbool.h: Support compilation as C++.
8356 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8358 * fold-const.c (make_range): Don't try to reverse an unbounded range.
8360 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
8362 * regclass.c (regclass): Properly compute loop_cost. Adjust
8365 * regclass.c: Fix minor whitespace problems.
8367 2000-01-03 Anthony Green <green@cygnus.com>
8369 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
8370 Restore the pic register if required.
8372 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
8374 * c-common.c (format_char_info): Update comment.
8375 (check_format_info): Recognize 'z' modifier in the same way 'Z'
8376 was recognized. Emit warning for formats new in ISO C99 only
8377 if flag_isoc9x is not set.
8379 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
8381 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
8383 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8385 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
8386 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
8387 (make_compound_operation): Choose cheaper alternative between
8388 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
8390 * regclass.c (op_costs): Remove global variable.
8391 (record_reg_classes): New parameter "op_costs" and "reg_pref".
8392 (record_operand_costs): Break out from ...
8393 (scan_one_insn): ... here.
8394 (dump_regclass): Make dumps nicer.
8395 (regclass): Dump preferrences choosed and changes done during passes.
8397 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8399 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
8401 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8403 * config/sparc/sparc.c (gen_df_reg): New function.
8404 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
8405 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
8406 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
8407 movtf_cc_reg_sp64+1): Use it.
8409 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8411 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
8414 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8416 * config/i386/i386.c (ix86_expand_unary_operator): Function
8417 definition made void.
8418 (ix86_expand_binary_operator): Update outdated preceding comment.
8419 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
8422 * config/i386/i386.c (override_options): Fix option-name typo.
8424 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8426 * system.h (CEIL): Define.
8427 * builtins.c (CEIL): Remove.
8428 * expmed.c (CEIL): Likewise.
8429 * expr.c (CEIL): Likewise.
8430 * stor-layout.c (CEIL): Likewise.
8432 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8434 * expr.c (store_constructor_field): Fix typo introduced with last
8437 2000-01-01 Mark Mitchell <mark@codesourcery.com>
8439 * tree.h (BINFO_N_BASETYPES): New macro.
8441 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
8443 * expmed.c (emit_store_flag): Prevent losing a pending stack
8444 adjust the same way we prevent losing queued increments.
8446 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8448 * function.c (update_temp_slot_address): Handle case where sum of
8449 temporary address plus offset in register is a valid address.
8451 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8453 * genrecog.c (change_state) Corrected typo.
8455 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8457 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
8458 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
8459 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
8461 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
8463 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
8464 case, expand GT comparisons correctly. Fix a comment before this
8467 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8469 * dwarfout.c: Include "frame.h"
8470 * dwarf2out.c: Likewise.
8471 * Makefile.in (dwarfout.o): Depend on frame.h
8472 (dwarf2out.o): Likewise.
8474 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
8476 Restore i386 binary compatibility in Dwarf EH info.
8477 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
8478 value of FIRST_PSEUDO_REGISTER.
8479 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
8480 (struct frame_state): Use DWARF_FRAME_REGISTERS.
8481 * dwarfout.c (output_reg_number): Ditto.
8482 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
8483 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
8485 1999-12-29 Bruce Korb <autogen@linuxbox.com>
8487 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
8488 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
8489 (<hack>_RE_CT): not needed
8490 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
8491 rewritten to scan the file text once only
8492 "template<..." test added
8493 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
8494 (is_cxx_header): declaration added
8495 * fixinc/fixtests.c(is_cxx_header): removed
8496 (apply_fix_p_t): removed
8497 (double_slash_test): is_cxx_header is only called once now
8498 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
8499 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
8500 within the templates.
8501 The borken spelling of "broken" was fixed.
8502 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
8503 The default level depends on FIXINC_DEBUG.
8505 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8507 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
8508 Otherwise provide a declaration for atexit.
8509 (init_dummy): Make sure dummy call to atexit is nevertheless
8510 called with correct number of args.
8512 * frame.c: Update comments referring to other files.
8514 * libgcc2.c: Likewise.
8516 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8518 * cse.c (free_element, get_element): Remove unused prototypes.
8520 * fold-const.c (extract_muldiv): Initialize variables `op0' and
8523 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
8526 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
8528 * configure.in,configure: case arm for mn10200-*-* now sets
8529 float_format=i32 so that float.h will correctly claim "double"
8530 to be 32 bits. Ran autoconf to generate configure from .in file.
8532 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
8534 * pa.md (conditional zero): If op1 is a register, force it into
8535 the same register as op0.
8537 1999-12-28 Mark Mitchell <mark@codesourcery.com>
8539 * tree.h (BINFO_BASETYPES): Improve documentation.
8541 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8543 * configure.in (--enable-checking): Use a more portable `for'
8546 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8548 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
8549 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
8551 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
8554 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
8555 Delete descriptions.
8557 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
8558 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
8559 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
8560 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
8561 xm-svr4.h: Remove all instances of sys_siglist handling.
8563 1999-12-27 Jakub Jelinek <jakub@redhat.com>
8565 * config/sparc/sparc.md (cmp_zero_qi,
8566 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
8567 cmp_zero_extendqidi2_andcc_set): New patterns.
8569 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
8571 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
8572 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
8573 (fpgnulib.c, xfgnulib.c): Add rules.
8574 * m68k/t-mot3300-gas: Likewise.
8576 1999-12-27 Ian Lance Taylor <ian@zembu.com>
8578 * configure.in: Avoid [[ by using test and changequote. Add
8579 changequote required by 1999-12-14 change.
8580 * configure: Rebuild.
8582 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
8584 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
8586 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
8588 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
8589 * flow.c (find_use_as_address): Likewise.
8590 * function.c (fixup_var_refs_1): Likewise.
8591 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
8592 * jump.c (invert_exp, redirect_exp): Likewise.
8593 * loop.c (replace_call_address): Likewise.
8594 (count_nonfixed_reads): Likewise.
8595 * rtlanal.c (modified_between_p): Likewise.
8596 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
8597 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
8598 * unroll.c (remap_split_bivs): Likewise.
8600 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8602 * diagnostic.c (v_message_with_decl): Use .* format specifier
8603 instead of building the format specifier width manually.
8605 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
8606 determining whether to provide a prototype. Remove the
8607 sys_siglist clause in the conditional.
8609 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8611 * fold-const.c (operand_equal_p): Use memcmp to compare string
8613 Suggested by D. J. Bernstein
8615 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8617 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
8618 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8620 * config/mips/mips.h (TARGET_64BIT): Likewise.
8621 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
8622 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
8623 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
8624 dsps. Give routines proper names if SI/DI modes are not used.
8625 * longlong.h: Use DWunion instead of DIunion.
8627 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
8629 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
8630 GC_CHECKING, GC_ALWAYS_COLLECT.
8631 * configure.in: Allow --enable-checking with an argument
8632 listing check modes to enable.
8633 * config.in, configure: Rebuilt.
8634 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
8635 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
8636 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
8637 ENABLE_GC_ALWAYS_COLLECT.
8638 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
8640 * tree.h, tree.c: Change ENABLE_CHECKING to
8641 ENABLE_TREE_CHECKING throughout.
8643 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8645 * fold-const.c (fold_truthop): Properly check for FP RHS.
8647 1999-12-24 Mark Mitchell <mark@codesourcery.com>
8649 * toplev.h (note_deferall_of_defined_inline_function): Declare.
8650 * toplev.c (note_deferral_of_defined_inline_function): New
8651 function, split out from ...
8652 (rest_of_compilation): ... here. Use it.
8654 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8656 * expr.c (store_constructor): Don't call clear_storage if size is
8659 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8661 * Makefile.in (toplev.o): Depend on loop.h.
8663 * dwarfout.c: Include tm_p.h.
8665 * emit-rtl.c (restore_emit_status): Mark parameter with
8668 * final.c (final_scan_insn): Likewise.
8670 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
8671 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
8672 flow_depth_first_order_compute, flow_loop_pre_header_find,
8673 flow_loop_tree_node_add, flow_loops_tree_build,
8674 flow_loop_level_compute, flow_loops_level_compute,
8675 flow_loop_outside_edge_p): Add prototypes.
8676 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
8678 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
8679 Mark with ATTRIBUTE_NORETURN.
8681 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
8683 * local-alloc.c (no_conflict_p): Likewise.
8685 * loop.c (insert_bct): Hide definitions of variables with hidden
8687 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
8689 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
8690 with ATTRIBUTE_UNUSED.
8691 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
8692 (reg_scan): Likewise.
8694 * reload.c (find_reloads): Remove unused variables `changed'.
8696 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
8698 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
8699 Remove unused variable `insn'.
8701 * toplev.c: Include loop.h.
8702 (report_file_and_line): Remove unnecessary prototype.
8704 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
8706 * unroll.c (biv_total_increment): Likewise.
8708 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8710 * reload1.c (emit_input_reload_insns): Restore old behaviour
8711 wrt. 'special' reloads.
8713 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
8715 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
8716 hash.h. (cse.c): Don't depend on hashtab.h.
8718 * cse.c: Don't include hashtab.h.
8719 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
8721 * ggc-simple.c: Don't include hash.h.
8723 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
8725 * dwarf2out.c (add_abstract_origin_attribute): Call
8726 gen_abstract_function on our function context.
8728 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
8730 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
8732 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8734 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
8737 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8739 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
8740 constraints to "a!r".
8742 1999-12-21 Mark Mitchell <mark@codesourcery.com>
8744 * Makefile.in (calls.o): Depend on function.h.
8745 (alias.o): Likewise.
8747 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
8749 * reload1.c (emit_reload_insns): Break out code and variables into...
8750 (input_reload_insns, other_input_address_reload_insns,
8751 other_input_reload_insns, input_address_reload_insns,
8752 inpaddr_address_reload_insns, output_reload_insns,
8753 output_address_reload_insns, outaddr_address_reload_insns,
8754 operand_reload_insns, other_operand_reload_insns,
8755 other_output_reload_insns): ... new static variables, and...
8756 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
8757 do_output_reload): ... new functions.
8759 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8761 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
8763 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8765 * md.texi: Add c4x constraints documentation.
8767 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8769 * config/i386/dgux.c (struct option): Rename to
8770 lang_independent_option.
8771 (struct m_options): Add description field.
8772 (output_options): Rename option type, add sep declaration, output
8773 ix86_cpu_string and ix86_arch_string only if set.
8774 (output_file_start): Rename option type.
8776 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
8778 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
8780 (libgcc2.a): Similarly.
8782 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
8784 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
8785 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
8786 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
8788 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
8790 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
8791 Remove redundant initialization of "frexpon" and "expon".
8793 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8795 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
8797 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
8798 (store_constructor_field, expand_expr): Pass new arg.
8800 1999-12-20 Mark Mitchell <mark@codesourcery.com>
8802 * Makefile.in (explow.o): Depend on function.h.
8804 * stor-layout.c (set_sizetype): Fix typo.
8806 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
8808 * function.c (cfun): Renamed from current_function. All users
8810 * function.h (cfun): Rename declaration as well.
8812 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
8813 to be of type regset_head, not regset. All users changed by adding
8815 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
8817 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8819 * config/c4x/rtems.h: New file.
8821 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
8823 * reload1.c (spill_failure): Take class of failed reload as argument
8824 and print it. Caller changed.
8826 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8828 * rs6000.h (SUBTARGET_DEFAULT): New macro.
8829 (TARGET_SWITCHES): Allow subtargets to default switches.
8830 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
8832 1999-12-18 Mark Mitchell <mark@codesourcery.com>
8834 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
8837 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
8839 * cccp.c (main): Define __STDC_VERSION__ as necessary.
8840 * cppinit.c (cpp_handle_option): Likewise.
8842 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
8843 determine when to define.
8845 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
8847 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
8848 cmove with mismatched test and data modes.
8850 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
8852 * c-typeck.c (c_expand_start_case): Don't warn for long switch
8855 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8857 * alias.c: Minor reformatting.
8860 * stor-layout.c: Likewise.
8861 * fold-const.c: Likewise.
8862 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
8863 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
8865 (size_int_wide): Cache nodes even if garbage collecting.
8866 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
8867 of SAVE_EXPR has no side effects.
8868 * cse.c: Move a comment.
8869 * tree.c: Minor reformatting.
8870 (int_size_in_bytes): Return -1 if constant overflows.
8872 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8874 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
8876 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
8878 * objc/objc-parse.c: Regenerate. This file must be rebuilt
8879 after any change to c-parse.in, even if objc-parse.y didn't
8882 1999-12-18 David S. Miller <davem@redhat.com>
8884 * toplev.c (rest_of_compilation): Restore BLOCK tree
8885 reconstruction and branch shortening changes lost in
8886 December 18th change.
8888 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
8890 * config/arm/linux-elf.h: Change all instances of
8891 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
8892 * config/arm/uclinux-elf.h: Likewise.
8894 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
8896 * toplev.c (notice, vmessage, v_message_with_file_and_line,
8897 v_message_with_decl, file_and_line_for_asm,
8898 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
8899 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
8900 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
8901 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
8902 pfatal_with_name, fatal_io_error, need_error_newline,
8903 last_error_function, last_error_tick, announce_function,
8904 default_print_error_function, print_error_function,
8905 report_error_function, fnotice, error_with_file_and_line,
8906 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
8907 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
8908 warning_with_decl, warning_for_asm, warning, pedwarn,
8909 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
8911 (compile_file): Use fnotice instead of notice. Adjust call.
8913 * diagnostic.c: New file.
8915 * Makefile.in (OBJS): Include diagnostic.o
8916 (diagnostic.o): Define dependence.
8918 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8920 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
8923 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8925 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
8927 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8929 * fixtests.c (is_cxx_header): New fn, split out of
8931 (else_endif_label): Allow "#endif // comment" in C++ headers,
8932 as determined by is_cxx_header.
8933 * fixfixes.c (else_endif_label_fix): Update comment.
8934 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
8936 * genfixes: Correct double thinko in commandline parsing.
8937 * hackshell.tpl: Generate correct sh syntax for bypass
8940 * inclhack.def (all): Whenever an inserted preprocessor
8941 conditional is split over multiple lines, use double
8942 backslashes in this file so the fixed header will be readable.
8944 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
8945 and add bypass entry for correct version of this header.
8946 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
8947 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
8949 (hpux8_bogus_inlines): New fix, split from...
8950 (ultrix_atof_param) ... here.
8951 (math_expression): Add bypass entry keyed to glibc comment
8952 indicating the problem has been dealt with; disable
8953 unnecessary sed operations; update commentary.
8954 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
8955 add select and bypass entries, simplify shell operation.
8956 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
8958 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
8959 ultrix_atof_param): Add select entry.
8960 (stdio_va_list, sunos_mather_decl): Add bypass entry.
8961 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
8962 comments with the fixes they describe.
8964 * c-parse.in (string action): Do not warn about ANSI string
8965 concatenation in system headers. Affects C parser only.
8966 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
8968 1999-12-16 Jakub Jelinek <jakub@redhat.com>
8970 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
8971 compiling libgcc2 the macro depends always on arch cpp defines.
8973 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
8975 * loop.c (insert_loop_mem): Don't record MEMs from inside
8978 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
8980 * regclass.c (regclass): Do not use flowgraph when not optimizing.
8982 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
8983 notes too, create one when replacement failed, attempt to simplify
8985 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
8988 1999-12-16 Mark Mitchell <mark@codesourcery.com>
8990 * crtstuff.c (__dso_handle): Declare.
8991 (__cxa_finalize): Likewise.
8992 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
8995 * invoke.texi: Document -fuse-cxa-atexit.
8997 * tree.h (ptr_type_node): Document.
8998 (const_ptr_type_node): Likewise.
9000 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9002 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
9003 (optimize_reg_copy_2): Likewise.
9004 (optimize_reg_copy_3): Likewise.
9005 (fixup_match_2): Likewise.
9006 (regmove_optimize): Likewise.
9007 (fixup_match_1): Liekwise.
9009 * i386.md (HI to SImode promoting splitters): Rewrite.
9010 (pushsf mem peep2): New.
9011 (testhi to andhi peep2): Remove.
9012 * i386.h (x86_promote_QImode): New.
9013 (TARGET_PROMOTE_QImode): New.
9014 (PREDICATE_CODES): Add promotable_binary_operator.
9015 * i386.c (x86_promote_QImode0: New.
9016 (promotable_binary_operator): New.
9017 * i386-protos.h (promotable_binary_operator): New.
9019 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
9021 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
9023 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9025 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
9026 * function.c (insert_block_after_note): Remove.
9027 (retrofit_block): Likewise.
9028 (identify_blocks): Fix indentation.
9029 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
9030 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
9031 * function.h (insert_block_after_note): Remove prototype.
9032 (retrofit_block): Likewise.
9033 * integrate.c (expand_inline_function): Don't call
9034 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
9035 just expand_start_bindings. Use the block_map to remap old
9036 NOTE_BLOCKs to new ones.
9037 (integrate_decl_tree): Keep track of remapped blocks.
9038 * integrate.h (struct inline_remap): Add block_map.
9039 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
9040 NOTE_BLOCK on the notes.
9041 (expand_start_bindings): Rename to ...
9042 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
9043 (expand_end_bindings): Set NOTE_BLOCK.
9044 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
9045 reconstruct the BLOCK tree.
9046 * tree.h (expand_start_bindings): Macroize. Call ...
9047 (expand_start_bindings_and_block): New function.
9049 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9051 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
9052 to match the format.
9054 1999-12-16 David S. Miller <davem@redhat.com>
9056 * expr.c (emit_move_insn_1): Only emit clobbers if one of
9057 the outputs is a SUBREG.
9058 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
9061 * config/sparc/sparc.c (epilogue_renumber): Add default case
9064 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9066 * toplev.c (rest_of_compilation): Run branch shortening after
9069 * regclass.c (loop_depth): Remove
9070 (scan_one_insn): Do not handle LOOP_NOTE insns.
9071 (regclass): Go through basic blocks and set loop_cost
9073 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
9075 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
9077 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9079 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
9080 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
9081 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
9083 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
9085 * loop.c (insert_loop_mem): Ignore memory clobbers.
9087 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
9090 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
9092 * profile.c: Remove redundant #include "output.h".
9094 * h8300.md (HImode preinc peephole): Fix typo.
9096 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9098 * function.c (retrofit_block): Abort if we don't find a suitable insn.
9099 (insert_block_after_note): Abort if we don't have a previous block.
9100 Remove FN parameter.
9101 * function.h: Adjust.
9103 1999-12-15 Mark Mitchell <mark@codesourcery.com>
9105 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
9106 argument more than once.
9108 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9110 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
9112 1999-12-15 Jakub Jelinek <jakub@redhat.com>
9114 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
9116 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9118 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
9119 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
9120 update stack_alignment_needed.
9121 (prepare_function_start): Initialize stack_alignment_needed
9122 * function.h (struct function): Add field stack_alignment_needed.
9124 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9126 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
9127 Handle live_throughout / dead_or_set instead of live_before /
9129 (save_call_clobbered_regs): Get register livenessinformation from
9130 chain->live_throughout.
9131 (add_stored_regs): New function.
9132 (insert_restore, insert_save): Add restored / saved registers to
9134 * global.c (reg_dies): New parameter chain.
9135 (reg_becomes_live): Third parameter is regs_set now.
9136 Changed all callers.
9137 (reg_dies): New parameter chain. Changed all callers.
9138 (build_insn_chain): Set live_throughout instead of
9139 live_before / live_after.
9140 * reload.h (struct insn_chain): Replace members live_before /
9141 live_after with live_throughout / dead_or_set.
9142 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
9143 instead of live_before / live_after.
9144 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
9145 (order_regs_for_reload, find_reg, finish_spills): Likewise.
9146 (choose_reload_regs_init): Likewise.
9147 * stupid.c (current_chain, find_clobbered_regs): Delete.
9148 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
9149 instead of chain->live_before / chain->live_after.
9150 (mark_hard_ref): New function.
9151 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
9153 1999-12-15 David S. Miller <davem@redhat.com>
9155 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
9157 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9159 * flow.c (calculate_loop_depth): Make global, remove prototype,
9160 rewrite to use new loop infrastructure.
9161 (find_basic_block): Remove calculate_loop_depth call.
9162 * toplev.c (rest_of_compilation): Call find_basic_block.
9163 * output.h (calculate_loop_depth): Declare.
9165 * flow.c (dump_flow_info): Dump loop_depth.
9166 (flow_loops_nodes_find): Increase loop_depth for basic block in the
9168 (flow_loops_find): Initialize the loop_depth for each basic block.
9170 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9172 * tree.c (decl_function_context): Handle virtual functions.
9174 * tlink.c (scan_linker_output): Don't look in demangled name when
9175 looking for linker output keywords.
9177 * dwarfout.c (output_type): We can defer namespace-scope classes.
9179 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
9181 * regclass.c (record_reg_classes): Update comment for merging
9182 register class preferences in reg->reg copies. Tighten conditions
9183 for merging register class preferences in reg->reg copies.
9185 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
9187 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
9189 1999-12-14 Geoff Keating <geoffk@cygnus.com>
9191 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
9192 (INIT_SECTION_ASM_OP): Delete.
9193 (FINI_SECTION_ASM_OP): Delete.
9194 (STARTFILE_SPEC): Define to hold just crtbegin.o.
9196 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
9198 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
9199 the abstract origin wasn't emitted.
9201 * dwarf2out.c (class_scope_p): New fn.
9202 (gen_subprogram_die): Use it.
9203 (gen_variable_die): Use it. Tweak logic.
9204 (gen_struct_or_union_type_die): Check context_die to determine
9205 if we're function-local.
9206 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
9208 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9210 * loop.c (check_dbra_loop): Can't reverse a biv that has
9213 1999-12-14 Nick Clifton <nickc@cygnus.com>
9215 * config/arm/arm.c: Add support for -mcpu=arm720 command line
9218 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9220 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
9221 for givs made from biv increments.
9223 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
9225 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
9226 * alpha.c (override_options): Recognize -mcpu=ev67.
9227 * alpha.h (CPP_CPU_EV67_SPEC): New.
9228 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
9229 (EXTRA_SPECS): Update.
9231 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
9233 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
9234 appropriate for -lang-c89 and -std=*.
9235 * cppinit.c (cpp_handle_option): Likewise.
9236 (new_pending_define): New, split out from cpp_handle_option.
9237 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
9238 or enable trigraphs for -ansi/-std=*.
9240 * ginclude/stdarg.h (__va_copy): New.
9241 (va_copy): Don't define for C89.
9243 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
9245 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
9246 for long long multiply-accumulate.
9248 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9250 * regclass.c (scan_one_insn): Set loop_cost to 1 when
9251 optimizing for size.
9253 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9255 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9256 if something changed. Back out that part of yesterday's changes.
9258 * loop.c (loop_max_reg): New static variable.
9259 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9261 (scan_loop): Call reg_scan_update whenever we may have added new
9262 registers, and update loop_max_reg.
9264 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9266 * regclass.c (record_reg_classes): Do not do the copying preferrencing
9267 when source does not die.
9269 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
9271 1999-12-14 Jakub Jelinek <jakub@redhat.com>
9273 * config/sparc/linux64.h (TARGET_LIVE_G0,
9274 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
9276 * config/sparc/linux.h (TARGET_LIVE_G0,
9277 TARGET_BROKEN_SAVERESTORE): Likewise.
9278 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9279 TARGET_BROKEN_SAVERESTORE): Likewise.
9281 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
9282 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
9284 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
9285 as sparc64 block profiling register.
9286 * config/sparc/sparc.c (sparc_override_options): Allow block
9287 profiling with -m32.
9288 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
9290 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
9291 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
9292 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
9294 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
9296 * config/sparc/sparc.h: Likewise.
9297 * config/sparc/xm-sysv4-64.h: Likewise.
9298 * config/float-sparc.h: Likewise.
9299 * glimits.h: Likewise.
9300 * longlong.h: Likewise.
9302 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
9303 (ASM_IDENTIFY_GCC): Remove.
9305 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9307 * combine.c (combine_simplify_rtx): Don't make shared rtl.
9308 (simplify_logical): Likewise.
9310 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9312 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
9313 * cppfiles.c (INO_T_EQ): Likewise.
9315 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9317 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
9318 * i386/mingw32.h (LIB_SPEC): Likewise.
9319 (STARTFILE_SPEC): Likewise.
9320 * i386/uwin.h (LIB_SPEC): Likewise.
9321 (STARTFILE_SPEC): Likewise.
9323 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
9324 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
9326 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
9328 * combine.c (combine_simplify_rtx): Fix order of checks for
9329 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
9331 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
9333 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
9334 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
9336 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9338 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
9340 * regclass.c (inv_reg_alloc_order): New array.
9341 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
9343 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
9344 counted_for_groups, counted_for_nongroups. Add fields rld and
9346 * reload.c (push_secondary_reload): Don't set nongroup field of
9348 (push_reload): Likewise.
9349 (find_reloads): Delete code to compute nongroup fields.
9350 * reload1.c (reload_insn_firstobj): New static variable.
9351 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
9353 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
9354 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
9355 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
9357 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
9359 (struct hard_reg_n_uses): Deleted.
9360 (potential_reload_regs): Deleted.
9361 (init_reload): Initialize spilled_pseudos and pseudos_counted.
9362 (reload): Don't try to allocate reload registers if we already know
9363 we have to make another pass. Call select_reload_regs. Free memory
9364 starting with reload_firstobj when starting another pass.
9365 Don't allocate spilled_pseudos.
9366 (calculate_needs_all_insns): Call copy_reloads for an insn that
9367 needs reloads; don't call calculate_needs.
9368 (spill_cost): New static array.
9369 (used_spill_regs_local): New static variable.
9370 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
9371 to compute potential_reload_regs.
9372 (find_reload_regs): Completely rewritten to use find_reg.
9373 (allocate_reload_reg): Don't test counted_for_groups or
9374 counted_for_nongroups. Lose NOERROR arg and code to give an error;
9376 (choose_reload_regs): Add fallback code that uses the existing
9377 register allocation from find_reload_regs.
9379 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
9381 * flow.c (create_edge_list): Cast xmalloc return value.
9383 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
9385 * doprnt.c: Remove incorrect comment closure.
9387 * cse.c: Fix a few minor whitespace goofs.
9389 1999-12-13 Don Bowman <don@pixstream.com>
9391 * mips/vxworks.h: Fix problem with comment termination.
9392 (EXTRA_SECTIONS): Add in_sbss.
9393 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
9395 1999-12-12 David S. Miller <davem@redhat.com>
9397 * cse.c (struct cse_reg_info): Add hash_next member,
9398 reorder rest of struct for better packing on 64-bit
9400 (cse_reg_info_tree): Kill.
9401 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
9402 REGHASH_FN): New custom pow2 hash mechanism.
9404 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
9405 use a pow2 hash table.
9406 (get_cse_reg_info): Rework to use new REGHASH.
9407 (new_basic_block): Likewise, use HASH_SIZE, and inline
9409 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
9410 and inline free_element call.
9411 (lookup_as_function, insert, flush_hash_table, invalidate,
9412 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
9413 invalidate_for_call, use_related_value, find_comparison_args,
9414 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
9415 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
9418 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
9420 * cse.c (cse_basic_block): Free qty_table consistently.
9422 1999-12-12 David S. Miller <davem@redhat.com>
9423 Jakub Jelinek <jakub@redhat.com>
9425 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
9426 SUBREGs by hand, gen the appropriate hard reg directly.
9427 (movtf reg/mem split): Likewise and alter_subreg on destination
9429 (movtf mem/reg split): Similarly.
9430 (movdf_cc_sp64): Rename from hidden pattern.
9431 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
9432 (movtf_cc_sp64, following split): New pattern and splitter.
9433 (movdf_cc_reg_sp64): Rename from hidden pattern.
9434 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
9436 (movtf_cc_reg_sp64, following split): New pattern and splitter.
9438 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
9440 * loop.c (load_mems): Don't hoist written floating point mem
9443 1999-12-12 Mark Mitchell <mark@codesourcery.com>
9445 * except.h (struct eh_queue): Add `next' pointer.
9446 (struct eh_status): Make x_ehqueue a pointer.
9447 (push_ehqueue): Declare.
9448 (pop_ehqueue): Likewise.
9449 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
9451 (expand_fixup_region_end): Likewise.
9452 (expand_leftover_cleanups): Likewise.
9453 (push_ehqueue): Define.
9454 (pop_ehqueue): Likewise.
9455 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
9456 than doing it inline.
9457 (expand_start_all_catch): Adjust now that ehqueue is a
9459 (mark_eh_queue): Mark all level of the queue.
9460 (mark_eh_status): Adjust now that ehqueue is a
9462 (init_eh_for_function): Allocate ehqueue.
9463 (free_eh_status): Free it.
9464 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
9465 expansion for a fixup.
9467 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * gthr-single.h (__gthread_active_p): Add prototype arguments.
9471 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
9472 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
9473 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
9474 function_ptr, getpagesize, __enable_execute_stack,
9475 __enable_execute_stack, __clear_insn_cache,
9476 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
9477 _cleanup, _exit, __default_terminate, __terminate_func,
9478 __terminate, __empty, __throw, new_eh_context,
9479 eh_context_initialize, eh_context_static, eh_context_specific,
9480 get_eh_context, __get_eh_context, __get_eh_info,
9481 init_reg_size_table, eh_threads_initialize,
9482 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
9483 __unwinding_cleanup, throw_helper, __throw, __rethrow,
9484 __pure_virtual): Add prototype arguments.
9485 (__bb_exit_func): Cast a sizeof to long when comparing against one.
9486 Cast a signed value to unsigned long when comparing against one.
9487 (new_eh_context): Wrap in _GTHREADS macro.
9488 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
9490 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
9491 (throw_helper): Initialize variables `handler_p' and `pc_p'.
9493 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9495 * combine.c (record_promoted_value): Remove unused variable
9498 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
9500 * global.c (record_conflicts): Likewise for `j'.
9502 * genoutput.c (output_insn_data): Don't unnecessarily cast away
9505 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9507 * i386-protos.h (output_387_binary_op, output_fix_trunc,
9508 output_fp_compare): Constify a char*.
9510 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
9512 (override_options, ix86_comp_type_attributes, print_operand,
9513 output_387_binary_op, output_fix_trunc, output_fp_compare):
9515 (ix86_sched_reorder): Mark parameter `clock_var' with
9518 * i386.h (DEBUG_PRINT_REG): Constify a char*.
9520 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
9522 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
9523 operand, for use in the Java front-end.
9525 1999-12-10 Ben Collins <bcollins@debian.org>
9527 * configure.in: Fix typo for "-64" in 64bit as check.
9528 * configure: Rebuilt.
9530 1999-12-10 Jakub Jelinek <jakub@redhat.com>
9532 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
9535 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9537 * c-parse.in (string): With -Wtraditional, warn if ANSI string
9538 concatenation is utilized.
9540 * invoke.texi (-Wtraditional): Document it.
9542 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9544 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
9545 Cast a ptrdiff_t to long and pass it to printf with %ld.
9547 1999-12-10 Geoff Keating <geoffk@cygnus.com>
9549 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
9550 68881, we have no 68881 registers at all.
9551 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
9552 value in a 68881 register if it is available.
9554 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
9556 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
9557 for long long multiply-accumulate.
9559 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9561 * loop.c (insert_loop_mem): Undo last change.
9563 1999-12-10 David S. Miller <davem@redhat.com>
9565 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
9567 * config/sparc/sparc-protos.h: Add them.
9568 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
9569 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
9570 constraints which use those helpers.
9571 (EXTRA_CONSTRAINT): Use this new macro.
9572 * md.texi: Update sparc target constraints documentation.
9573 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
9574 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
9575 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
9576 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
9577 (movsf high/lo_sum split): Rework for new patterns.
9578 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
9580 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9582 * c-common.c (c_common_nodes_and_builtins):
9583 Create __builtin_ptrdiff_t and __builtin_size_t.
9585 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
9587 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
9589 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9591 * regclass.c (globalize_reg): Re-instate test that allows
9592 fixed registers to be declared as a variable even after functions
9595 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9597 * i386.md (cpu attribute): Add "athlon".
9598 (athlon_decode): New attribute.
9599 (Athlon scheduling units definitions): New.
9600 (fcmp and shld patterns): Set athlon_decode to "vector".
9601 * i386.c (athlon_cost): New.
9603 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
9604 x86_use_sahf): Set for Athlon.
9605 (x86_use_fiop): Unset for Athlon.
9606 (override_options): Define Athlon alignments and "athlon" name.
9607 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
9608 * i386.h (TARGET_ATHLON): New.
9609 (enum processor_type): Add PROCESSOR_ATHLON.
9610 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
9612 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
9614 1999-12-09 Andreas Jaeger <aj@suse.de>
9616 * loop.c (record_biv): Declare parameter as int.
9618 * config/i386/i386-protos.h: Declare long_memory_operand.
9620 1999-12-09 Mark Mitchell <mark@codesourcery.com>
9622 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
9623 EXPR_WITH_FILE_LOCATION.
9625 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9627 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
9630 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
9632 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
9635 1999-12-09 Jakub Jelinek <jakub@redhat.com>
9637 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
9638 default on linux64 again.
9639 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
9640 models for multilibing.
9641 * genmultilib: Accept | as alternative separator within a set in
9644 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
9646 * calls.c (precompute_arguments): Make sure initial_value contains
9647 value pseudo which CSE expects.
9648 * cse.c (struct set): New entry orig_src.
9649 (cse_insn): Set it early on entry, use it for libcall EQUIV note
9652 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
9654 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
9656 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9658 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
9660 1999-12-08 Jakub Jelinek <jakub@redhat.com>
9662 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
9663 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
9665 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
9668 * longlong.h: Merge in changes from glibc.
9669 Also don't clobber %g2 register in 32bit SPARC assembly, so that
9670 -mno-app-regs libgcc can be compiled.
9671 * libgcc2.c: Add defines so that the updated longlong.h
9672 can be used in libgcc2.a. Also, make sure on most architectures
9673 (at least on all which have optimized code in longlong.h defined
9674 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
9676 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9678 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
9679 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
9680 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
9682 * configure: Rebuilt.
9684 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
9686 * alpha.c (secondary_reload_class): For !BWX, sub-simode
9687 outputs require a register.
9689 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
9691 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
9692 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
9693 functions like dptoul will be resolved.
9694 (libgcc2.a): Make sure that the object files from DPBIT are named
9695 differently (prefix `_dp') from those that would be coming from
9698 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
9700 * configure.in: When target is sparc* and tm_file contains 64,
9701 test for 64bit support in assembler. If not supported, remove
9702 sparc/t-sol2-64 from target-dependent Makefile fragments.
9703 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
9704 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
9705 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
9706 * acconfig.h (AS_SPARC64_FLAG): Added.
9707 * configure, config.in: Rebuilt.
9708 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
9709 support. Use AS_SPARC64_FLAG.
9711 1999-12-07 Jakub Jelinek <jakub@redhat.com>
9713 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
9714 suitable for holding OFmode values so that gcc works with complex
9716 (hard_64bit_mode_classes): Likewise.
9718 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
9719 so that it is actually matched.
9720 (sethi_di_medlow): Likewise.
9722 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
9723 as legitimate constant if -mvis.
9724 * config/sparc/sparc.md (movtf): Likewise.
9725 (clear_sf): Use const_double_operand.
9726 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
9728 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
9729 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
9730 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
9731 routines, _Qp_* cannot be handled like that now.
9732 (INIT_TARGET_OPTABS): Likewise.
9733 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
9734 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
9735 sparc_emit_float_lib_cmp if ARCH64 and soft float.
9736 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
9737 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
9738 divtf3, sqrttf3): New expanders.
9739 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
9740 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
9741 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
9744 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
9745 * configure: Rebuilt.
9746 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
9747 -mcpu is given and we're doing 64bit compiles.
9749 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
9751 * loop.h (struct induction): Add multi_insn_incr.
9752 * loop.c (basic_induction_var): New multi_insn_incr argument.
9753 Set it if we search back through previous insns for the biv.
9754 (record_biv): New multi_insn_incr argument; fill in struct induction.
9755 (strength_reduce): Discard an iv with multiple bivs, any of
9756 which require multiple insns to increment.
9758 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9760 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
9763 1999-12-06 David S. Miller <davem@redhat.com>
9765 * combine.c (check_promoted_subreg): Do not conditionalize this upon
9766 PROMOTE_FUNCTION_RETURN.
9768 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
9770 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
9771 and handle REG_UNUSED note on insn.
9773 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
9774 inner_mask instead of mask.
9776 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
9778 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
9779 zero if there was an error.
9781 1999-12-06 Jakub Jelinek <jakub@redhat.com>
9783 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
9786 * longlong.h: Fix clobbers in SPARC asm statements.
9788 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
9789 valid sethi operations when TARGET_ARCH64.
9791 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
9792 always use move_by_pieces to avoid infinite recursion.
9793 (restore_fixed_argument_area): Likewise.
9795 * combine.c (check_promoted_subreg, record_promoted_value): New
9797 (combine_instructions): Use them to retain nonzero and sign bit
9798 information after SUBREGs are eliminated by optimizations in
9799 this pass if PROMOTE_FUNCTION_RETURN.
9801 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
9802 .register declaration. Don't use variables with __ prefixes.
9804 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9806 * fold-const.c (optimize_bit_field_compare): Only use one mode
9807 for both RHS and LHS in non-constant case.
9809 1999-12-06 Nathan Sidwell <nathan@acm.org>
9811 * frame.c (start_fde_sort): Only allocate erratic array, if
9812 linear one was allocated. Return allocated flag.
9813 (fde_insert): Only insert, if there's a valid array.
9814 (fde_end_sort): Split, sort and merge if linear and erratic
9815 arrays exist, else just sort linear one.
9816 (search_fdes): New function. Linear search through original fde
9818 (frame_init): Permit multiple initializations. Cope with
9820 (find_fde): Fallback on linear search, if failed to sort array.
9821 (__deregister_frame_info): Only free sorted array, if we
9824 1999-12-06 Jakub Jelinek <jakub@redhat.com>
9826 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
9828 1999-12-05 Jakub Jelinek <jakub@redhat.com>
9830 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
9832 1999-12-05 Mark Mitchell <mark@codesourcery.com>
9834 * tree.h (special_function_p): Declare.
9835 * calls.c (special_function_p): Make it global. Don't take `name'
9836 as a parameter. Fix typo in 1999-11-28 change.
9837 (expand_cal): Adjust.
9839 1999-12-04 Mark Mitchell <mark@codesourcery.com>
9841 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
9842 * tree.h (EXPR_WFL_FILENAME): Define in terms of
9843 EXPR_WFL_FILENAME_NODE.
9844 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
9846 * print-tree.c (print_note): Print TREE_PRIVATE and
9849 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
9850 the original die cannot be found.
9852 * varray.h (varray_head_tag): Add elements_used.
9853 (VARRAY_PUSH): New macro.
9854 (VARRAY_POP): Likewise.
9855 (VARRAY_TOP): Likewise.
9856 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
9858 * varray.c (varray_init): Initialize elements_used.
9859 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
9860 (INTEGRATE_H): New variable.
9861 (integrate.o): Depend on INTEGRATE_H.
9862 (unroll.o): Likewise.
9864 * function.h (insert_block_after_note): Declare.
9865 * function.c (insert_block_after_note): Split out from ...
9866 (retrofit_block): ... here.
9868 * stmt.c (expand_fixup): Fix typo in comment.
9870 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9872 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
9873 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
9874 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
9875 (regmove_optimize, fixup_match_1): Likewise.
9877 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9879 * flow.c (flow_loops_dump): Add missing argument when calling
9882 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
9883 Greg McGary <gkm@gnu.org>
9885 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
9886 (init_attributes): Add A_NO_LIMIT_STACK.
9887 (decl_attributes): Handle A_NO_LIMIT_STACK.
9888 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
9889 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
9890 Handle stack bounds checking.
9891 * flags.h (flag_stack_check): Use the word 'probe' rather than
9892 'check', because the flag doesn't actually cause any checking to
9894 * function.c (expand_function_start): Set
9895 current_function_limit_stack.
9896 * function.h (struct function): Add limit_stack.
9897 (current_function_limit_stack): Define.
9898 * invoke.texi (Code Gen Options): Document new options.
9899 * rtl.h: Declare stack_limit_rtx.
9900 * toplev.c (stack_limit_rtx): New variable.
9901 (decode_f_option): Handle new options -fstack-limit-register=REG,
9902 -fstack-limit-symbol=IDENT, -fno-stack-limit.
9903 (main): Add stack_limit_rtx as GC root.
9904 * tree.h (DECL_NO_LIMIT_STACK): New macro.
9905 (struct tree_decl): New member no_limit_stack.
9907 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
9909 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
9910 (conditional_trap+1): Get new mnemonic correct.
9911 (conditional_trap+2): New pattern for DImode traps.
9913 * config/m68k/m68k.c (output_function_prologue): Handle
9915 * config/m68k/m68k.md (trap): New insn.
9916 (conditional_trap): New insn.
9917 * md.texi (Standard Names): Document `trap' and
9919 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
9920 so a cc0 setter doesn't get emitted at some random place in the
9923 * config/i960/i960.md (trap): New insn.
9924 (conditional_trap): New expander.
9925 (conditional_trap+1, conditional_trap+2): New insns for signed
9927 * config/i960/i960.c (i960_function_prologue): Use
9928 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
9930 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
9931 Geoffrey Keating <geoffk@cygnus.com>
9933 * flags.h (warn_padded, warn_packed): Add global var decls.
9934 * toplev.c (warn_padded, warn_packed): Add global var defns.
9935 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
9936 * stor-layout.c (layout_record): Add local variable `type'
9937 to hold often-used TREE_TYPE (field). Add local variable
9938 `unpacked_align' to hold alignment that would be in force
9939 if no `packed' attribute were present. Warn if `packed' attribute
9940 is unnecessary, or even harmful. Warn when gcc inserts padding
9941 to satisfy alignment requirements of members. Use NULL_TREE
9942 when checking whether var_size is set.
9943 * invoke.texi: Document new flags.
9945 1999-12-03 Nathan Sidwell <nathan@acm.org>
9947 * frame.c (fde_split): Reimplement to avoid variable sized array.
9949 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9951 * combine.c (try_combine): Before fixing up LOG_LINKS for the
9952 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
9954 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
9956 * invoke.texi: Document the mips option -mno-crt0
9958 1999-12-02 Mike Karr <mkarr@mathworks.com>
9960 * cccp.c (argdata): Added free_ptr member.
9961 (macroexpand): Initialize free_ptr of each argument. When an
9962 argument's buffers are freed, if the argument's free_ptr corresponds
9963 to a buffer on the input stack, then return the free_ptr to that stack
9964 frame, otherwise, free it.
9965 (macarg): If an argument begins and ends on the same input stack level,
9966 then transfer the free_ptr of that buffer to the argument in case
9967 the stack is popped during the processing of a subsequent argument.
9969 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
9971 * loop.c (note_reg_stored): New function.
9972 (struct note_reg_stored_arg): New structure.
9973 (try_copy_prop): Change to be more conservative; only replace within
9974 one extended basic block and stop replacing if a store to the
9975 replacement reg is seen.
9977 1999-12-02 Nick Clifton <nickc@cygnus.com>
9979 * config/fp-bit.c: Initialise all fields of the NAN
9982 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
9985 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
9987 * i386.md (extend?f?f2): Force the input into a register, not
9990 1999-12-01 Jakub Jelinek <jakub@redhat.com>
9992 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
9994 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
9995 alternative because setting up 64bit constant is usually costly,
9996 especially when reload is in progress or completed.
9997 (movdf_const_intreg_sp64): Likewise.
9998 (movdf_const_intreg split): Fix building up constants when
9999 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
10001 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
10003 * combine.c (if_then_else_cond): Use const_true_rtx instead of
10004 const1_rtx for return values in EQ/NE comparison against (const_int 0)
10007 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
10008 (asm_file_start): Emit .am33 into assembly file when compiling for
10010 (print_operand_address): Handle POST_INC addresses.
10011 (can_use_return_insn, initial_offset): Check AM33 registers too.
10012 (expand_prologue): Check & save AM33 registers too.
10013 (expand_epilogue): Similarly.
10014 (secondary_reload_class): Handle AM33 specific secondary reloads.
10015 (output_tst): Emit efficient code for the AM33 too.
10016 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
10017 (TARGET_SWITCHES): Add -mam33 switch.
10018 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
10019 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
10020 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
10021 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
10022 (enum reg_class, REG_CLASS_NAMES): Likewise.
10023 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
10024 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
10025 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
10026 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
10027 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
10028 (HAVE_POST_INCREMENT): Define.
10029 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
10030 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
10031 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
10032 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
10033 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
10034 (zero_extend to SI from QI/HI): Likewise.
10035 (sign_extend to SI from QI/HI): Likewise.
10036 (mulsidi3, umulsidi3): New patterns for the AM33.
10037 (tstsi with zero extension from QI/HI): Add AM33 variants.
10038 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
10039 (return_internal_regs, store_movm): Handle new AM33 registers.
10040 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
10041 (LIBGCC, INSTALL_LIBGCC): Likewise.
10042 * invoke.texi: Document new flags.
10044 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10046 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
10047 (addsi3_carry): Likewise.
10048 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
10049 (sbbsi3_carry): Likewise.
10050 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
10051 (mulhi3): Likewise.
10052 (test?i_1): Ensure that only one operand is memory.
10053 (conditional move patterns): likewise.
10054 (shift and rotate patterns): Rewrite to expander, add
10055 "binary_operator_ok" to the condition.
10057 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
10058 * i386.h (procesor_costs): Add movzbl_load field.
10059 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
10060 non-Q registers, accept DImode registers anywhere.
10062 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
10063 * i386.c (*_cost): Set value for movxbl_load field.
10065 * (addsi): New add to lea splitter.
10066 (ashlsi): Likewise.
10067 (lea to add/shift peep2): New.
10069 1999-12-01 Mark Salter <msalter@cygnus.com>
10071 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
10072 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
10073 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
10075 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10077 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
10078 * i386.md (movsi_xor): New.
10080 (movsi_1, movhi_1, movqi_1): Remove.
10081 (movsi_2): Rename to movsi_1.
10082 (movhi_2): Rename to movhi_1.
10083 (movqi_2): Rename to movqi_1.
10084 (movdi_1): Remove; remove splitter.
10085 (movdi_2): Rename to movdi_1.
10086 (divmodsi4 splitter): Do not emit clobbers for move patterns.
10087 (long move peep2): Do not create QI or HI mode mov0s
10088 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
10090 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
10093 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
10094 (abs?f2_if): Likewise.
10096 1999-11-30 Alex Samuel <samuel@codesourcery.com>
10098 * ggc.h (ggc_test_and_set_mark): New macro.
10099 (ggc_mark_rtx): Use ggc_test_and_set_mark.
10100 (ggc_mark_tree): Likewise.
10101 (ggc_mark_rtvec): Likewise.
10102 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
10104 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
10106 * dwarf2out.c (scope_die_for): Only handle types. Only search for
10108 (decl_scope_table): Just an array of trees now.
10109 (push_decl_scope): Simplify.
10110 (dwarf2out_init): Adjust.
10111 (local_scope_p): New fn.
10112 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
10113 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
10114 (gen_typedef_die): Likewise.
10115 (gen_lexical_block_die): Don't call push/pop_decl_scope.
10116 (gen_inlined_subroutine_die): Likewise.
10117 (gen_abstract_function): Set current_function_decl temporarily.
10118 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
10119 Handle block extern declarations. Don't call push/pop_decl_scope.
10120 (gen_decl_die): Fix logic for block externs.
10122 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10124 * calls.c (special_function_p): Remove `realloc' and add `strdup'
10125 to the list of functions which have attribute malloc by default.
10127 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10129 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
10130 integer constant does not match the traditional type, limit the
10131 warnings to cases where the base of the type is ten.
10133 * invoke.texi (-Wtraditional): Document it.
10135 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10137 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
10138 * rs6000.md: Only access a CONST_INT with INTVAL
10140 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
10142 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
10143 (compute_nearerout): Likewise.
10144 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
10145 size_t to unsigned long for formatting.
10147 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10149 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
10150 Allow the user to override call-used/fixed state of %g2-5
10151 registers from the command line (with the exception of %g4 for
10153 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
10154 there is a higher chance of having a leaf function.
10155 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
10156 for ARCH64 which has %ccr register.
10157 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
10159 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
10160 insn accept into delay slot any insn which does not use %[ol]
10161 registers. Accept some LO_SUM and shift left by 1 for the normal
10163 (output_function_epilogue): Likewise.
10164 (epilogue_renumber): Added argument which inhibits any renumbering
10165 and just tests if the rtx does not use any %[ol] registers.
10166 (output_return): Reflect above change.
10168 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10170 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
10171 aggregate passing for sizes <= 16 bytes.
10173 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
10175 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
10176 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
10177 * reload.c (find_dummy_reload): Likewise.
10178 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
10179 * reload1.c (reload_as_needed): Likewise.
10180 * stupid.c (stupid_find_reg): Likewise.
10181 * tm.texi (Obsolete Register Macros): Delete section.
10182 * gmicro.h: Remove all traces of the two macros.
10183 * i386.h: Likewise.
10184 * m88k.h: Likewise.
10185 * mips.h: Likewise.
10187 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
10189 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
10190 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
10191 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
10192 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
10193 units for the sparclite86x chip.
10194 (flush): Revert October 14th change; add SImode specifically.
10195 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
10196 * invoke.texi: Document it.
10198 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
10200 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
10201 psimode_truncation_operand.
10203 * config/mn10200/mn10200.c (psimode_truncation_operand): New
10204 function. Return true if the operand is either a MEM valid
10205 for a PSImode address or not a MEM at all.
10207 * config/mn10200/mn10200.md (truncsipsi2): Use
10208 psimode_truncation_operand.
10210 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10212 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
10213 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
10214 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
10215 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
10216 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
10217 (flow_loop_level_compute, low_loops_level_compute): Likewise.
10218 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10219 * basic-block.h: Protect from multiple inclusion.
10220 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
10221 (struct loops, struct loop): Define structures.
10222 * sbitmap.c (sbitmap_a_subset_b_p): New function.
10223 * sbitmap.h: Protect from multiple inclusion.
10224 (sbitmap_a_subset_b_p): Add prototype.
10225 * Makefile.in (LOOP_H): New macro.
10226 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
10228 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
10230 * cppinit.c (CAT): The argument list of this macro may not contain
10233 1999-11-29 David S. Miller <davem@redhat.com>
10235 Move quantity tables and register equivalence chains into
10236 per-qty and per-register structure arrays respectively.
10237 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
10238 qty_const_insn, qty_comparison_code, qty_comparison_const,
10239 qty_comparison_qty): Delete, replace with...
10240 (qty_table): this structure table.
10241 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
10242 (reg_eqv_table): this structure table.
10243 (make_new_qty): Add argument MODE. Caller updated.
10244 Update to use qty_table and reg_eqv_table.
10245 (make_regs_eqv, delete_reg_equiv, insert_regs,
10246 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
10247 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
10248 cse_process_notes, cse_main, cse_basic_block): Likewise.
10250 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10252 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
10253 operation if C is negative.
10254 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
10255 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
10256 law for some divisions if constant is negative and change other
10257 divisions to the opposite rounding.
10259 * expr.c (store_constructor_field): If bit position is not multiple
10260 of alignment of TARGET's mode, use BLKmode.
10262 * expr.c (expand_expr_unaligned): Add more code from full case
10263 that is needed when OP0 is in a register.
10265 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10267 * dwarfout.c (field_byte_offset): Size can be zero if there was
10270 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10272 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
10273 (associate_trees): Delete unused var TEM.
10274 (extract_muldiv): Delete unused var CANCEL_P.
10276 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
10277 (target_isinf, target_isnan, target_negative): Add return types to
10278 function definitions.
10280 1999-11-29 Bruce Korb <autogen@linuxbox.com>
10282 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
10283 * fixinc/hackshell.tpl: ditto
10284 * fixinc/fixtests.c(double_slash_test): more C++ header testing
10285 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
10287 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10289 * reload.c (push_reload): When looking for a register to put into
10290 reg_rtx, make sure all hard regs in a multi-reg register are in the
10291 right class and nonfixed.
10293 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
10294 pending_read_insns, pending_write_insns, pending_read_mems,
10295 pending_write_mems, pending_list_length, last_pending_memory_flush,
10296 last_function_call, sched_before_next_call): Move static variables
10298 (bb_ prefixed versions): Replace with single array bb_deps.
10299 (struct deps): New structure.
10300 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
10301 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
10302 argument of type "struct deps *"; use that instead of global
10303 variables. All callers changed.
10304 (init_rgn_data_dependencies): Delete function.
10305 (init_rtx_vector): Delete function.
10306 (init_deps): New function.
10308 (free_pending_lists): Simplify, we always use the bb_deps array even
10309 if only one basic block.
10310 (compute_block_backward_dependences): Likewise.
10311 (schedule_region): Likewise.
10313 (propagate_deps): New function, broken out of
10314 compute_block_backward_dependences.
10315 (compute_block_backward_dependences): Use it.
10317 * alpha.md: Delete useless patterns that tried to work around
10318 register elimination problems.
10320 * unroll.c (loop_iterations): Don't abort if iteration variable
10323 From Joern Rennecke:
10324 * reload1.c (reloads_conflict): Reverse test comparing operand
10325 numbers when testing for conflict between output/outaddr reloads.
10327 1999-11-29 David S. Miller <davem@redhat.com>
10329 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
10331 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
10333 1999-11-28 Robert Lipe <robertl@cygnus.com>
10335 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
10336 table from .fini into .dtor.
10338 1999-11-28 Anthony Green <green@cygnus.com>
10340 * tree.h (struct tree_decl): Add malloc_flag.
10341 (DECL_IS_MALLOC): Define.
10342 * c-common.c (attrs): Add A_MALLOC attribute.
10343 (init_attributes): Add this attribute to the table.
10344 (decl_attributes): Handle malloc attribute.
10345 * calls.c (special_function_p): Check for the malloc attribute.
10346 * extend.texi (Function Attributes): Document malloc attribute.
10348 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
10350 * pa.md (reload shift-add patterns): Remove.
10352 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10354 * reorg.c (dbr_schedule) Print more statistics. Corrected
10355 problem when printing info when 3 delay slots are filled.
10357 1999-11-28 Jakub Jelinek <jakub@redhat.com>
10359 * combine.c (setup_incoming_promotions): Pass an outgoing
10360 regno to FUNCTION_ARG_REGNO_P which it expects.
10362 1999-11-28 Andreas Jaeger <aj@suse.de>
10364 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
10366 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
10368 * cccp.c (do_include): Avoid initialization of automatic variable.
10370 * integrate.c (mark_stores): Function definition made void, to match
10371 previous declaration.
10372 * regclass.c (dump_regclass): Ditto.
10373 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
10375 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10377 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
10378 known to be multiple of divisor.
10380 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
10382 * combine.c (try_combine): Add code to try to merge a set of a
10383 two-word pseudo to a constant with a setting of one of those words
10386 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
10387 (split_tree): Completely rework to make more general.
10388 (make_range, fold): Call negate_expr.
10389 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
10390 (fold, associate): Call new split_tree and associate_trees.
10391 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
10393 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
10395 * loop.c (try_copy_prop): Avoid GNU C extension.
10397 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10399 * except.c (init_eh_for_function): Still zero eh_return_context,
10400 eh_return_stack_adjust, and eh_return_handler.
10402 * except.h (eh_status): Adjust documentation for x_protect_list.
10403 (begin_protect_partials): New function.
10404 * except.c (enqueue_eh_entry): Fix formatting.
10405 (get_first_handler): Add consistency check.
10406 (add_partial_entry): Adjust usage of protect_list.
10407 (emit_cleanup_handler): Save and restore ehqueue.
10408 (expand_start_all_catch): Add comment.
10409 (begin_protect_partials): New function.
10410 (end_protect_partials): Adjust usage of protect_list.
10411 (init_eh_for_function): Use xcalloc.
10413 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10415 * c-common.c (check_format_info): Don't call a variadic function
10416 with a non-literal format string.
10418 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
10420 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
10421 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
10424 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
10427 * collect2.c (collect_wait): Likewise.
10429 * dbxout.c (dbxout_type): Likewise.
10431 * gcc.c (do_spec_1): Likewise.
10433 * genemit.c (gen_insn, gen_expand): Likewise.
10435 * genrecog.c (write_switch, write_subroutine): Likewise.
10437 * mips-tfile.c (catch_signal, botch): Likewise.
10439 * print-rtl.c (print_rtx): Likewise.
10441 * toplev.c (default_print_error_function, report_error_function,
10442 _fatal_insn): Likewise.
10444 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10446 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
10448 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10450 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
10451 operations when needed.
10452 * i386.md (fop_?f_comm): New.
10453 (fop_?f_1): Do not accept commutative operands.
10455 1999-11-25 Andreas Jaeger <aj@suse.de>
10457 * config/mips/mips.md (casesi_internal): Add missing brace.
10459 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
10461 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
10462 (splice_child_die): Handle moving a child DIE from the declaration
10463 DIE of a class to its specification.
10464 (gen_struct_or_union_type_die): Use 'complete' consistently.
10465 (gen_decl_die): Generate the virtual context DIE first.
10466 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
10468 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
10470 * config/mips/mips.md (call_value_multiple_interanal1): New.
10472 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
10474 * dwarf2out.c (free_AT, free_die): New fns.
10475 (remove_children): Call them.
10476 (output_line_info): Disable removal of duplicate notes.
10478 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
10479 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
10480 means pretend the type isn't defined.
10481 Don't defer emitting types.
10482 (gen_type_die_for_member): New fn.
10483 (gen_decl_die): Call it.
10484 (splice_child_die): New fn.
10485 (gen_member_die): Call it rather than generate duplicate dies.
10487 Defer emitting information for the abstract instance of an inline
10488 until we either inline it or emit an out-of-line copy.
10489 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
10490 from output_inline_function if DECL_ABSTRACT is also set.
10491 (block_ultimate_origin): Likewise.
10492 (gen_abstract_function): New fn.
10493 (gen_decl_die, gen_inlined_subroutine_die): Call it.
10494 (gen_subprogram_die): An abstract instance is not a declaration
10495 just because it doesn't match current_function_decl. Don't abort
10496 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
10497 has an abstract origin.
10498 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
10499 abstract instance here.
10501 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
10503 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
10504 where we need to reload fpul from a system register.
10506 1999-11-24 Andreas Jaeger <aj@suse.de>
10508 * config/mips/linux.h (CPP_PREDEFINES): Added.
10509 (LINK_SPEC): Remove -Y since this is only needed on sparc.
10511 1999-11-24 Andreas Jaeger <aj@suse.de>
10513 * config/mips/linux.h (TARGET_VERSION): Added.
10514 (HANDLE_SYSV_PRAGMA): Added.
10515 (DEFAULT_VTABLE_THUNKS): Added.
10517 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10519 * local-alloc.c (qty): New structure and static variable.
10520 (qty_phys_reg): Remove, all references changed to qty.
10521 (qty_n_refs): Likewise.
10522 (qty_min_class): Likewise.
10523 (qty_birth): Likewise.
10524 (qty_death): Likewise.
10525 (qty_size): Likewise.
10526 (qty_mode): Likewise.
10527 (qty_n_calls_crossed): Likewise.
10528 (qty_alternate_class): Likewise.
10529 (qty_changes_size): Likewise.
10530 (qty_first_reg): Likewise.
10531 (alloc_qty): Rename variable QTY to QTYNO.
10532 (finf_free_reg): Likewise.
10533 (local_alloc): Allocate qty, do not allocate the removed variables.
10535 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
10537 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
10538 when -membedded-pic is passed.
10540 * config/mips/mips.md (casesi): Handle 64-bit case too.
10541 (casesi_internal_di): New insn.
10543 * config/mips/mips.c (embedded_pic_offset): Always make the
10544 embedded-pic subtractions relative to the name of the current
10545 function by use of the magic string "..CURRENT_FUNCTION".
10546 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
10548 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
10550 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
10551 of (const_int 0), when what we really care about is
10552 whether it's a zero constant anyway.
10553 (div_trap_mips16): Likewise.
10555 1999-11-23 Mark Mitchell <mark@codesourcery.com>
10557 * loop.c (loop_optimize): Always find_loop_tree_blocks and
10558 unroll_block_trees when generating debuggable code.
10560 * tree.h (unsave_expr_1): New function.
10561 (lang_unsave): New variable.
10562 (get_callee_fndecl): New function.
10563 * tree.c (unsave_expr_now_r): New function.
10564 (lang_unsave): Define.
10565 (unsave_expr_1): Likewise.
10566 (unsave_expr_now_r): Split out from unsave_expr_now.
10567 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
10568 call unsave_expr_now_r.
10569 (get_callee_fndecl): Define.
10571 * Makefile.in (gencheck): Don't depend on lang_tree_files.
10572 (gencheck.o): Do depend on lang_tree_files.
10574 * integrate.h (copy_decl_for_inlining): New declaration.
10575 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
10576 (copy_decl_for_inlining): New function.
10577 (integrate_parm_decls): Use it.
10578 (integrate_decl_tree): Likewise.
10580 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
10582 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
10583 the second two from the first.
10584 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
10585 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
10586 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
10588 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
10589 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
10592 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
10594 * pa.md (call_internal_symref, call_value_internal_symref): No mode
10595 needed on the address operand.
10596 * pa.c (call_operand_address): Check for the correct mode.
10598 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
10600 * loop.c: Include "basic-block.h".
10601 (try_copy_prop, replace_loop_reg): New functions.
10602 (load_mems): Detect registers that just hold copies of the hoisted
10603 mem, and call try_copy_prop to eliminate them.
10604 * Makefile.in (loop.o): Update dependencies.
10606 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
10608 * Makefile.in (gencheck.o): Depend on gencheck.h.
10609 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
10610 (insn-peep.o): Depend on except.h and function.h.
10611 (insn-attrtab.o): Depend on RECOG_H.
10612 (insn-output.o): Depend on toplev.h and flags.h.
10613 (gengenrtl.o): Depend on real.h.
10614 (gen-protos.o): Depend on cpplib.h and cpphash.h.
10615 Unify all dependencies to be on RECOG_H rather than recog.h.
10617 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10619 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
10620 * configure.in: Try building a bi-arch 32/64-bit compiler on
10621 sparc-*-solaris2.7 and higher.
10622 * configure: Rebuild.
10624 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
10626 * config/freebsd.h: New, FreeBSD architecture independent file.
10627 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
10628 independent pieces.
10629 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
10630 directly by i386/freebsd.h.
10631 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
10632 independent configuration file.
10633 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
10634 directly by i386/freebsd.h.
10635 * configure: Rebuilt.
10637 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
10638 which is in the user's namespace.
10639 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
10640 `i386' which is not in our namespace.
10642 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
10644 * invoke.texi (ARM Options): Add in -mno-alignment-traps
10646 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
10648 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
10649 (add_dwarf_attr, add_child_die): Just push onto the front.
10650 (reverse_die_lists): New fn.
10651 (add_sibling_attributes): Use it.
10652 (push_decl_scope): Reorganize.
10653 (add_name_and_src_coords_attributes): Don't set file and line for
10654 an artificial decl.
10655 (gen_subprogram_die): An artificial function doesn't need to match
10657 (gen_compile_unit_die): Return the generated die. Only add
10658 AT_comp_dir if the filename is relative.
10659 (remove_AT): Simplify loop. Also free string values.
10660 (output_die): A DIE ref can't be null.
10661 (output_value_format, value_format): Take a dw_attr_ref.
10662 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
10663 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
10664 AT_addr, AT_lbl): New fns.
10665 (various): Use them.
10666 (various): Constify.
10668 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10670 * combine.c (combine_simplify_rtx): When handling a SUBREG,
10671 take SUBREG_WORD into account.
10672 (if_then_else_cond): Likewise.
10674 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
10676 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
10677 clause from BSD license, pursuant with
10679 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
10681 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
10683 * loop.c (load_mems): Reformat slightly.
10684 * basic-block.h (regset_head): New typedef.
10685 (INIT_REG_SET): New macro.
10687 1999-11-22 Bruce Korb <autogen@linuxbox.com
10689 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
10690 (mips-dec-bsd*): non-functional code
10691 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
10693 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
10694 added three replacement fixes
10695 (no_double_slash): removed comments that are not (any longer) pertinent
10696 (bad_lval): this fix currently runs against many files.
10697 The comment seems to indicate that we should select for files
10698 containing 'pragma extern_prefix'.
10700 * fixinc/fixinc.x86-linux-gnu: deleted
10701 * fixinc/inclhack.sh: regen
10702 * fixinc/fixincl.x: regen
10703 * fixinc/fixincl.sh: regen
10705 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
10707 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
10708 its code is INSN and it has no notes.
10710 1999-11-22 Andrew Haley <aph@cygnus.com>
10712 * varasm.c (function_defined): Remove.
10713 (make_function_rtl): Don't set function_defined.
10714 (make_decl_rtl): Remove global register warning.
10715 * regclass.c (no_global_reg_vars): New variable.
10716 (globalize_reg): Warn if function has already been defined.
10717 (regclass_init): Set no_global_reg_vars.
10719 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10721 * regclass.c (reg_pref): New structure and static variable
10722 (prefclass): Delete.
10723 (altclass): Delete.
10724 (all uses of prefclass and altclass): Use reg_pref instead.
10726 1999-11-21 Nick Clifton <nickc@cygnus.com>
10728 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
10730 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
10731 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
10732 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
10734 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
10736 * varasm.c (output_constructor): Solve problem with long long
10737 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
10739 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10741 * global.c (allocno): New structure and static variable.
10742 (allocno_reg): Remove, all references replaced by allocno.
10743 (allocno_size): Likewise.
10744 (hard_reg_conflicts): Likewise.
10745 (hard_reg_preferences): Likewise.
10746 (hard_reg_copy_preferences): Likewise.
10747 (hard_reg_full_preferences): Likewise.
10748 (regs_someone_prefers): Likewise.
10749 (allocno_calls_crossed): Likewise.
10750 (allocno_n_refs): Likewise.
10751 (allocno_live_length): Likewise.
10752 (find_reg): Rename ALLOCNO to NUM.
10754 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
10755 references updated.
10756 (may_move_out_cost): New variable.
10757 (init_reg_sets_1): Initialize may_move_out_cost.
10758 (record_reg_classes): Use may_move_out_cost.
10760 * regclass.c (dump_regclass): New function.
10761 (regclass): New parameter DUMP, call DUMP_REGCLASS.
10762 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
10763 pass rtl_dump_file to regclass.
10764 * rtl.h (regclass): Update prototype.
10766 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10768 * i386.md (neg, not and abs patterns): Revmap to use
10769 ix86_expand_unary_operator and ix86_unary_operator_ok.
10770 (add?f and sub?f expanders): Force operand 1 to register.
10771 * i386.c (ix86_expand_unary_operator): Rewrite.
10772 (ix86_unary_operator_ok): Ensure that memory operands
10774 (ix86_binary_operator_ok): Do not allow operand 1 to
10775 come into memory and operand 0 not.
10776 (ix86_expand_binary_operator): Ensure that
10777 src1 is not non-matching memory.
10779 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
10780 to support integer registers and memory.
10781 (abss?2_integer): Likewise.
10783 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
10784 (REG_CLASS_NAMES): Likewise.
10785 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
10787 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
10788 (movsf): Likewise; unify 4th and 5th alternative.
10789 (pushdf): Likewise.
10790 (movdf_1): Likewise; rename to movdf_integer.
10791 (pushxf): Likewise; rename to pushxf_integer; fix output template;
10792 remove redundant splitter.
10793 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
10794 (movdf_nointeger): New.
10795 (movxf_nointeger): New.
10796 (pushxf_nointeger): New.
10798 * i386.md (extend?f?f): Split to expander and pattern, refuse two
10799 memory operands in patterns.
10800 (fop*): Refuse two memory operands.
10802 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
10803 on !TARGET_USE_CLTD CPUs.
10805 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
10807 * extend.texi: Document C++ restricted pointers and references.
10809 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
10811 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
10812 (invalidate_skipped_set): Call it unconditionally.
10813 (cse_set_around_loop): Likewise.
10815 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10817 * rtl.texi (mem): Add documentation for alias-set argument
10820 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10822 * i386.h (struct_processor_costs): New fields int_load, int_store,
10823 fp_move, fp_load and fp_store
10824 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
10826 (MEMORY_MOVE_COST): New macro.
10827 * i386.c (386_cost): Define new fields.
10828 (i486_cost): Likewise.
10829 (pentium_cost): Likewise.
10830 (pentiumpro_cost): Likewise.
10831 (k6_cost): Likewise.
10833 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
10834 Geoffrey Keating <geoffk@cygnus.com>
10836 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
10838 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
10841 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
10842 (TARGET_STRICT_ALIGNMENT): New macro.
10843 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
10844 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
10845 * invoke.texi (M680x0 Options): Document -mstrict-align.
10847 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
10848 Richard Henderson <rth@cygnus.com>
10850 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
10851 (ix86_split_long_move): Declare.
10852 * i386.c (split_xf, ix86_split_movdi): Remove.
10853 (ix86_split_to_parts, ix86_split_long_move): New.
10854 * i386.md (dimode move splitters): Use ix86_split_long_move.
10855 (dfmode move splitters): Likewise.
10856 (xfmode move splitters): Likewise.
10857 (movsf_1): Allow F->r.
10858 (movdf_1, movxf_1): Allow F->ro.
10860 1999-11-17 Mark Mitchell <mark@codesourcery.com>
10862 * except.h (struct eh_entry): Add goto_entry_p.
10863 (eh_region_from_symbol): Remove prototype.
10864 * except.c (find_func_region_from_symbol): New function.
10865 (emit_cleanup_handler): Likewise.
10866 (eh_region_from_symbol): Make it static.
10867 (add_new_handler): Verify the argument.
10868 (find_func_region): Update comment.
10869 (expand_eh_region_end): Expand handlers here, rater than waiting
10870 until expand_leftover_cleanups or start_all_catch.
10871 (expand_leftover_cleanups): Don't expand here.
10872 (expand_start_all_catch): Or here.
10873 (expand_rethrow): Check the return value from find_func_region.
10874 * function.c (expand_function_end): Emit the catch_clauses.
10876 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
10878 * integrate.c (expand_inline_function): Add necessary check for NULL.
10880 1999-11-18 Nick Clifton <nickc@cygnus.com>
10882 * toplev.c (main): Correctly detect an unrecognised option.
10884 * cppinit.c (cpp_handle_option): Do not claim to have consumed
10885 a -f option if it has not been recognised.
10887 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
10889 * basic-block.h (update_life_extent): Remove trailing comma on
10890 enumeration type list.
10892 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10894 * varasm.c (output_constructor) Solved problem with long long
10895 bitfields. Corrected calculating this_time and shift. Also
10896 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
10898 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
10900 * flow.c (split_edge): Take looping structure into account when
10901 determining where to put the new block note.
10903 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
10905 * Makefile.in (ggc-none.o): Provide host specific version if
10908 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
10910 * cse.c (delete_trivially_dead_insns): Identify no-op insns
10911 containing subregs too.
10913 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10915 * invoke.texi: Add documentation for -muninit-const-in-rodata.
10916 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
10917 (TARGET_UNINIT_CONST_IN_RODATA): Define.
10918 (text_section): Add switches -munint-const-in-rodata and
10919 -mno-uninit-const-in-rodata.
10920 (ASM_OUTPUT_COMMON): Remove.
10921 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
10922 const objects should be placed in read-only data. Otherwise declare
10925 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
10927 * jump.c (jump_optimize_1): Revert last change.
10929 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
10931 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
10932 test if optimizing for size.
10934 1999-11-17 Mark Mitchell <mark@codesourcery.com>
10936 * Makefile.in (toplev.o): Depend on except.h.
10937 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
10939 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10941 * i386.md (divmodsi4): Rewrite to expander.
10942 (*divmodsi4_nocltd): New.
10943 (*divmodsi4_cltd): New.
10944 (divmodsi4 splitter): Handle the case when input comes in edx.
10945 (udivmodhi4): Do not use constraints in exander.
10946 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
10948 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
10950 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
10951 for the common case.
10953 1999-11-16 Jakub Jelinek <jakub@redhat.com>
10955 * explow.c (hard_function_value): Add outgoing argument.
10956 * expr.h (hard_function_value): Declare it.
10957 * calls.c (expand_call, emit_library_call_value): Update callers.
10958 * function.c (aggregate_value_p): Ditto.
10959 (diddle_return_value): Must look at the outgoing registers
10960 on archs with register windows.
10962 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
10964 * alpha.c (alpha_build_va_list): Use make_lang_type and
10965 initialize TYPE_NAME for the va_list record.
10967 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
10969 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
10971 * ggc.h (struct ggc_statistics): Rearrange elements for better
10972 packing on 64-bit hosts.
10973 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
10974 (compute_nearerout): Likewise.
10976 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
10978 * config/rs6000/rs6000.c (first_reg_to_save): Save
10979 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
10981 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
10983 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
10984 notion of nesting to find the DIE for a type or function.
10985 DIEs can go in limbo even if we got a context_die.
10986 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
10987 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
10989 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
10990 (gen_type_die): Writing out the context doesn't cause member class
10991 template instantiations to be written out as well.
10993 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
10995 * rs6000.h (ASM_OUTPUT_DEF): New.
10996 Based on proposed addition from David Edelsohn.
10998 1999-11-15 Robert Lipe <RobertLipe@usa.net>
10999 Bruce Korb <autogen@linuxbox.com>
11001 * fixinc/inclhack.def
11002 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
11003 (unixware7_byteorder_fix): added. Removes conflicts for new defs
11005 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
11006 (svr4_endian): enabled with SVR5
11007 (svr4_mkdev): simplified syntax and enabled with SVR5
11009 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
11011 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
11012 * configure: Rebuilt.
11013 * config/t-freebsd-thread: New file.
11015 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
11017 * i386.c (ix86_decompose_address): Verify the base is a REG
11018 before trying to examine its register number.
11020 * basic-block.h: Remove all #defines and prototypes related to
11022 (free_bb_mem, compute_preds_succs): Remove prototype.
11023 * rtl.h (free_bb_mem): Remove prototype.
11024 * flow.c (alloc_int_list_node); Remove function.
11025 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
11026 (compute_preds_succs, free_bb_mem): Likewise.
11027 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
11028 * toplev.c (rest_of_compilation): Likewise.
11029 * haifa-sched.c (build_control_flow): Use flow generated edge
11030 list to build the haifa specific edge list.
11031 (find_rgns): Use new CFG data structures instead of pred/succ lists.
11032 (schedule_insns): Do not build pred/succ lists anymore. Instead
11033 build the edge table.
11035 * basic-block.h (dump_bb_data): Remove declaration.
11036 * flow.c (dump_bb_data): Remove function.
11037 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
11038 (sbitmap_union_of_predsucc): Likewise.
11040 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
11041 argument. All callers changed.
11042 (delete_null_pointer_checks_1): No longer need to compute the
11045 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
11046 All callers changed.
11047 (pre_expr_reaches_here_p_work): Likewise.
11048 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
11049 * lcm.c (compute_laterin): Fix initialization of LATER.
11050 (compute_nearerout): Similarly for NEARER.
11052 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11054 * cse.c (set_nonvarying_address_components): Delete unused function.
11055 (refers_to_p): Likewise.
11057 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
11059 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
11062 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11064 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
11065 definition in do while (0).
11067 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
11069 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
11071 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
11073 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
11075 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11077 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
11078 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
11079 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
11080 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
11082 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
11083 saved on the stack. Output more accurate stack frame statistics
11084 into assembler file.
11086 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
11088 * genextract.c (record_insn_name): New function.
11089 (get_insn_name): No longer a stub.
11090 (main): Call record_insn_name for each insn. After each label
11091 written, print the insn name in a comment.
11093 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11095 * output.h (const_section, init_section, fini_section): Add
11098 * alpha/elf.h (const_section): Delete declaration.
11100 * svr4.h (const_section): Likewise.
11102 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
11104 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
11105 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
11106 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
11108 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
11109 variable-sized array bounds.
11111 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
11113 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
11116 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11118 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
11119 addresses the same way GO_IF_LEGITIMATE_INDEX does.
11121 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11123 * cse.c (hash_arg_in_struct): Delete.
11124 (struct table_elt): Delete elt in_struct.
11125 (struct set): Delete elt src_in_struct.
11126 (merge_equiv_classes): Don't set either hash_arg_in_struct or
11127 the corresponding in_struct elts.
11128 (canon_hash): Likewise.
11129 (safe_hash): Likewise.
11130 (find_best_addr): Likewise.
11131 (record_jump_cond): Likewise.
11132 (cse_insn): Likewise.
11134 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
11136 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
11138 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
11141 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
11143 * function.c (diddle_return_value): Put back check that the DECL_RTL
11144 for the function is a register.
11146 * function.c (diddle_return_value): Use hard_function_value to
11147 get an rtx suitable for use in the USE/CLOBBER insn.
11149 * global.c (global_conflicts): Update comments.
11150 (record_conflicts): No need to record conflicts between pseudos here.
11152 1999-11-11 Bruce Korb <autogen@linuxbox.com>
11154 * fixinc/fixincl.c: Added verbose levels for status messages
11156 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11158 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
11159 operand as argument to expand_and or expand_binop.
11161 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
11163 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
11164 gcc_add_string_root.
11166 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
11168 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
11170 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
11172 * flow.c (compute_flow_dominators): Initially put all blocks on
11174 * lcm.c (compute_antinout_edge, compute_available): Similarly.
11175 * gcse.c (compute_cprop_avinout): Remove.
11176 (compute_cprop_data): Use compute_available.
11177 (delete_null_pointer_checks_1): Use compute_available.
11179 * basic-block.h (compute_available): Returns a void now.
11180 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
11181 to return a value anymore.
11182 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
11183 worklists. Fix boundary cases. Compute maximal solutions.
11184 (compute_laterin, compute_nearerout): Similarly.
11186 * dwarf2out.c (add_AT_location_description): Allow
11187 (mem (plus (pseudo) (...)) too.
11189 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
11191 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
11193 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
11194 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11196 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
11198 * gansidecl.h: Likewise.
11204 * toplev.h: Likewise.
11206 * tree.c: Likewise.
11208 * tree.h: Likewise.
11210 * varray.c: Likewise.
11212 * varray.h: Likewise.
11214 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
11216 * gcov.c (struct arcdata): Add hits and total, remove prob.
11217 (output_branch_counts): New.
11218 (process_args): Set output_branch_counts if -c.
11219 (calculate_branch_probs): Store hits and total instead of
11221 (output_data): Emit counts if output_branch_counts is true.
11222 * gcov.texi (Invoking Gcov): Document -c switch..
11224 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
11226 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
11227 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
11229 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
11231 * invoke.texi (C Dialect Options): Add missing builtins from
11232 c-common.c to list.
11233 * extend.texi (Other Builtins): Copy to this list.
11235 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11237 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
11238 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
11239 redundant bitmap.h.
11241 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
11243 * flow.c (compute_flow_dominators): No longer treat basic block 0
11244 or (n_basic_blocks - 1) specially. Clear the AUX field before
11245 starting computation of doms/pdoms. Fix initial state for pdoms.
11247 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11249 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
11250 match rtl.o's: added ggc.h and toplev.h
11251 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
11252 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
11253 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
11255 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
11257 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
11258 from HAVE_DOS_BASED_FILESYSTEM.
11259 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
11260 HAVE_DOS_BASED_FILESYSTEM.
11262 (split_directories): Only special-case DOS file names if
11263 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
11264 instead of explicit tests. Conditionalize on !VMS.
11265 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
11266 tests. Conditionalize on !VMS.
11267 (process_command): Only use make_relative_prefix if !VMS.
11268 (free_split_directories): Conditionalize on !VMS.
11269 (DIR_UP): Conditionalize on !VMS.
11271 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
11273 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
11275 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
11277 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
11280 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
11282 * invoke.texi (Environment Variables): Document relative path
11284 * gcc.c (DIR_UP): If not defined, define as "..".
11285 (standard_bindir_prefix): New static, holds target location to
11287 (split_directories): New function to split a filename into
11288 component directories.
11289 (free_split_directories): New function, release memory allocated
11290 by split_directories.
11291 (make_relative_prefix): New function, make a relative pathname if
11292 the compiler is not in the expected location.
11293 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
11294 can figure out an appropriate prefix from argv[0].
11295 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
11296 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
11297 STANDARD_BINDIR_PREFIX.
11299 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11301 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
11303 * config/c4x/c4x.h: Moved prototypes to c4x.h.
11304 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
11305 c4x_secondary_memory_needed) Delete.
11306 (fp_zero_operand): Add mode argument.
11308 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
11310 * reload1.c (reload_reg_free_for_value_p): Don't use a register
11311 that is in reload_reg_used.
11313 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
11315 * config/arm/arm-protos.h: New file: Prototypes for functions
11316 defined in arm.c and pe.c.
11317 * config/arm/arm.h: Fix compile time warnings.
11318 * config/arm/arm.c: Fix compile time warnings.
11319 * config/arm/pe.h: Fix compile time warnings.
11320 * config/arm/aout.h: Fix compile time warnings.
11322 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
11324 * config/m32r/m32r-protos.h: New file: Prototypes for functions
11327 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
11328 Add support for subtargets.
11329 Add prototypes for new predicates.
11330 Add scheduling macros.
11332 * config/m32r/m32r.c: Fix compile time warnings.
11333 (int8_operand): New predicate function.
11334 (reg_or_cmp_int16_operand): New predicate function.
11335 (extend_operand): New predicate function.
11336 (m32r_adjust_code): New scheduling function.
11337 (m32r_adjust_priorty): New scheduling function.
11338 (m32r_sched_init): New scheduling function.
11339 (m32r_sched_reorder): New scheduling function.
11340 (m32r_sched_variable_issue): New scheduling function.
11341 (direct_return): New codegen function.
11342 (m32r_not_same_reg): New rtl testsing function.
11344 * config/m32r/m32r.md: Fix compile time warnings.
11345 Add support for pre decrement and post increment memory
11347 Add S<cc> patterns.
11350 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11352 * global.c (EXECUTE_IF_CONFLICT): Don't define.
11353 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
11354 (find_reg): Likewise.
11356 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
11358 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
11359 to avoid assembler errors.
11361 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
11363 * config/v850/v850-protos.h: New file: Prototypes for functions
11365 * config/v850/v850.h: Move prototypes to v850-protos.h
11366 * config/v850/v850.c: Move prototypes to v850-protos.h
11367 * config/v850/v850.md: Fix compile time warnings.
11369 * config/fr30/fr30-protos.h: New file: Prototypes for functions
11371 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
11372 * config/fr30/fr30.c: Fix compile time warnings.
11373 * config/fr30/fr30.md: Fix compile time warnings.
11375 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
11377 * tree.h (get_containing_scope): Declare it.
11378 * tree.c (get_containing_scope): New fucntion.
11379 (decl_function_context): Use it.
11380 * toplev.c (rest_of_compilation): Use get_containing_scope.
11382 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11384 * Makefile.in (rtl.o): Depend on toplev.h.
11386 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
11388 * cse.c (delete_trivially_dead_insns): Replace alloca with
11390 * except.c (update_rethrow_references): Likewise.
11391 (init_eh_nesting_info): Likewise.
11392 * function.c (identify_blocks): Likewise.
11393 * gcse.c (dump_hash_table): Likewise.
11394 * graph.c (print_rtl_graph_with_bb): Likewise.
11395 * loop.c (combine_movables): Likewise.
11396 (move_movables): Likewise.
11397 (count_loop_regs_set): Likewise.
11398 (strength_reduce): Likewise.
11399 * profile.c (compute_branch_probabilities): New function, split
11401 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
11402 * regclass.c (regclass): Likewise.
11403 * regmove.c (regmove_optimize): Likewise.
11404 * toplev.c (compile_file): Likewise.
11405 (main): Don't mess with the stack rlimit.
11407 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
11409 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
11410 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
11412 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
11414 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
11416 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
11418 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
11419 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
11422 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
11424 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
11426 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
11428 * gcse.c (post_dominators): Kill.
11429 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
11430 (compute_code_hoist_data): Use compute_flow_dominators. Do not
11431 pass in a pdom array since we do not need pdoms.
11432 * haifa-sched.c (schedule_insns): Similarly.
11433 * flow.c (compute_dominators): Remove dead function.
11434 (compute_flow_dominators): Do not compute doms or pdoms if the
11435 caller does not request them. Split up loop to build doms and
11436 pdoms. Use a worklist to compute doms and pdoms.
11437 * basic-block.h (compute_dominators): Remove prototype.
11439 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
11441 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
11442 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
11443 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
11444 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
11445 (cant_move, fed_by_spec_load, is_load_insn): Remove.
11446 (schedule_region): Remove unused variable.
11447 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
11449 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
11451 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
11452 (update_equiv_regs): Likewise.
11453 (block_alloc): Likewise.
11454 * reg-stack.c (reg_to_stack): Likewise.
11455 (convert_regs_2): Likewise.
11456 * reload1.c (reload_as_needed): Likewise.
11458 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
11460 * Makefile.in (dbxout.o): Depend on ggc.h.
11461 (dwarf2out.o): Likewise.
11462 (xcoffout.o): Likewise.
11463 * dbxout.c: Include ggc.h.
11464 (dbxout_init): Register lastfile as a root.
11465 * dwarf2out.c: Include ggc.h.
11466 (dwarf2out_line): Register lastfile as a root.
11467 * xcoffout.c: Include ggc.h.
11468 (xcoffout_source_line): Register xcoff_lastfile as a root.
11470 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
11472 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
11474 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
11476 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
11478 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11480 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11482 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
11483 (EXECUTE_IF_CONFLICT): Likewise.
11484 (ALLOCNO_LIVE_P): Avoid signed division.
11485 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
11486 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
11487 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
11489 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
11491 * haifa-sched.c (schedule_block): Don't crash if there's no
11492 next insn for an interblock movement.
11493 (add_branch_dependences): Don't allow clobber insns to move either.
11495 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
11497 * i386.c (split_xf): New.
11498 * i386-protos.h: Declare it.
11499 * i386.md (movxf_1): Add general regs alternatives.
11500 (movxf_1+1): New splitter for same.
11502 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
11504 * function.c (purge_addressof_1): Add missing return values.
11506 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
11508 * function.c (is_addressof): New function. Returns true if
11509 the given piece of RTL is an ADDRESSOF.
11510 (purge_addressof_1): Make boolean. Return false if the
11511 ADDRESSOFs could not be purged.
11512 (purge_addressof): If ADDRESSOFs could not be purged from the
11513 notes attached to an insn, remove the offending note(s),
11514 unless they are attached to a libcall.
11516 1999-11-05 Andreas Jaeger <aj@suse.de>
11518 * genoutput.c (null_operand =): Initialize all fields.
11520 * errors.h: Add extern to prototypes.
11522 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
11524 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
11525 * configure: Rebuilt.
11527 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11529 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
11530 (mirror_conflicts): New function.
11531 (global_alloc): Call it.
11532 (expand_preferences): Remove redundant CONFLICTP test.
11533 (find_reg, dump_conflicts): Likewise.
11534 (prune_preferences): Process conflicts one word at a time.
11536 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
11538 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
11539 instead of an explicit loop.
11541 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
11543 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
11544 if REG_RETVAL check succeeds, then put classp in src_elt.
11546 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
11548 * function.c (pad_to_arg_alignment): Only update argument_pad
11549 if the argument's alignment is greater than STACK_BOUNDARY.
11551 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
11553 * bitmap.h (BITMAP_XFREE): New.
11554 * flow.c (life_analysis): Use it.
11555 (life_analysis_1): Free blocks.
11557 * combine.c (undo_commit): New.
11558 (try_combine): Use it. Don't zap undobuf.undos.
11559 (combine_instructions): Don't zap undobuf.undos; free the
11560 undobuf.frees list.
11562 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
11564 * stmt.c (cost_table_): New.
11565 (estimate_case_costs): Use it instead of xmalloc.
11567 * toplev.c (compile_file): Reuse dumpname memory instead
11570 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
11572 * reg-stack.c (convert_regs_1): Initialize target_stack->top
11573 after verifying an EH edge.
11575 * haifa-sched.c (init_rgn_data_dependences): Correctly
11576 size bb_pending_lists_length when zeroing.
11578 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
11580 * function.c (diddle_return_value): New.
11581 (expand_function_end): Use it.
11582 * stmt.c (expand_null_return): Likewise.
11583 (expand_value_return): Likewise.
11585 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
11587 * reload1.c (reload): Don't remove return value clobbers.
11589 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
11591 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
11593 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
11595 * cse.c (cse_main): Use xmalloc, not alloca.
11596 (cse_basic_block): Likewise.
11597 * local-alloc.c (local_alloc): Likewise.
11599 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
11600 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11602 * rtl.c: Include toplev.h.
11603 (fatal): Remove declaration.
11605 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
11607 * haifa-sched.c (schedule_block): Fix thinko.
11609 1999-11-03 James McKelvey <mckelvey@fafnir.com>
11611 * fixinc/fixincl.c(create_file): Allow for systems that do not have
11612 S_IR* defined values
11614 1999-11-03 Philippe De Muyter <phdm@macqel.be>
11616 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
11617 call `malloc' instead.
11619 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
11621 * flags.h (flag_renumber_insns): Declare.
11622 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
11624 * rtl.h (renumber_insns): Change prototype.
11625 * toplev.c (flag_renumber_insns): Define.
11626 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
11628 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
11630 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
11631 and fpsqrtd. Use them and create fdiv function unit to more
11632 accurately represent fpu sqrt pipeline semantics on UltraSparc.
11633 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
11635 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
11637 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
11639 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
11640 insn into ready list, do not use just a raw swap.
11642 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
11644 * rtl.h (renumber_insns): New function.
11645 (remove_unnecessary_notes): Likewise.
11646 * emit-rtl.c (renumber_insns): Define.
11647 (remove_unncessary_notes): Likewise.
11648 * toplev.c (rest_of_compilation): Remove dead code.
11649 Use renumber_insns and remove_unncessary_notes.
11651 * gcse.c (struct null_pointer_info): New type.
11652 (get_bitmap_width): New function.
11653 (current_block): Remove.
11654 (nonnull_local): Likewise.
11655 (nonnull_killed): Likewise.
11656 (invalidate_nonnull_info): Take a null_pointer_info as input.
11657 (delete_null_pointer_checks_1): New function.
11658 (delete_null_pointer_checks): Use it.
11660 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
11661 (split_edges): Likewise.
11662 (schedule_block): Likewise.
11663 (compute_block_backward_dependencies): Likewise.
11664 (schedule_region): Likewise.
11665 (schedule_insns): Likewise.
11667 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
11669 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
11670 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
11671 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
11672 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
11673 * jump.c (delete_unreferenced_labels): Don't delete if
11674 LABEL_ALTERNATE_NAME is set.
11675 * print-rtl.c (print_rtx): Dump alternate name.
11676 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
11677 * rtl.h (LABEL_ALTERNATE_NAME): Define.
11678 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
11679 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
11681 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11683 * fix-header.c (recognized_extern, recognized_function): Constify
11686 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
11687 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
11688 (compute_available): Remove unused variable `last'.
11689 (compute_nearerout): Remove unused variable `temp_bitmap'.
11690 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
11691 Remove unused variable `x'.
11693 * scan.h (recognized_function, recognized_extern): Constify a
11696 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
11698 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11700 * varasm.c (decode_rtx_const): Use XSTR to access the string
11703 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
11705 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
11707 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11709 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
11711 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
11713 * pa.c (ireg_operand): New function.
11714 * pa.h (PREDICATE_CODES): Handle ireg_operand.
11715 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
11716 Fix out of date comment.
11718 * pa.md (negdi2): Turn into expander + anonymous pattern.
11720 * reload.c (find_reloads): Fix typos in recent change.
11722 * dwarf2out.c: Do not include ctype.h.
11724 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11726 * regclass.c (record_reg_classes): Always use may_move_cost when
11727 seeing how operand fits with various register classes.
11729 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
11731 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
11732 * toplev.c: Revert Nov 1 13:22 change.
11734 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
11736 * config/pa/pa.md (height reduction patterns): Add checks for
11737 overlapping operands to avoid semantic-destroying splits for
11738 height reduction patterns.
11740 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11742 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
11743 have been an hyphen, fixed.
11744 * configure: Rebuilt.
11746 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
11748 * config/arm/tpe.h: Add prototypes for exported functions.
11749 * config/arm/pe.c: Fix compile time warnings.
11750 * config/arm/semi.h: Fix compile time warnings.
11751 * config/arm/arm.c: Fix compile time warnings.
11752 * config/arm/arm.h: Fix compile time warnings.
11753 * config/arm/arm.md: Fix compile time warnings.
11754 * config/arm/thumb.c: Fix compile time warnings.
11755 * config/arm/thumb.h: Fix compile time warnings.
11756 * config/arm/thumb.md: Fix compile time warnings.
11758 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
11760 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
11763 * unroll.c (unroll_loop): Remove LOOP notes when loop is
11764 completely unrolled.
11766 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11768 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
11770 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
11772 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
11773 * rtl.h (rtx_equal_p): Move prototype.
11774 * rtl.c (rtx_equal_function_value_matters): Move from
11776 (rtx_equal_p): Likewise.
11777 * rtlanal.c (rtx_equal_function_value_matters): Delete.
11778 (rtx_equal_p): Likewise.
11780 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11782 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
11783 ! HAS_INIT_SECTION.
11785 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
11787 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
11789 * pa.h (ADDR_VEC_ALIGN): Define.
11791 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
11792 notes when presented with "if (foo) break; end_of_loop" and
11793 the break sequence gets moved out of the loop.
11795 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
11796 Remove explicit zero initializations of entries within MAP.
11798 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
11800 * reg-stack.c (convert_regs_1): Handle EH edges specially.
11802 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
11804 * bitmap.h (BITMAP_XMALLOC): New macro.
11805 * flow.c (CLEAN_ALLOCA): Remove.
11806 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
11807 (life_analysis): Likewise.
11808 (update_life_info): Don't use CLEAN_ALLOCA.
11809 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
11810 (calculate_global_regs_live): Likewise.
11811 (print_rtl_with_bb): Likewise.
11812 (verify_flow_info): Likewise.
11813 * global.c (global_alloc): Likewise.
11814 (global_conflicts): Likewise.
11815 * integrate.c (save_for_inline_nocopy): Likewise.
11816 (expand_inline_function): Likewise.
11817 * jump.c (jump_optimize_1): Likewise.
11818 (duplicate_loop_exit_test): Likewise.
11819 (thread_jumps): Likewise.
11820 * loop.c (loop_optimize): Likewise.
11821 (combine_givs): Likewise.
11822 (recombine_givs): Likewise.
11823 * reorg.c (dbr_schedule): Likewise.
11824 * unroll.c (unroll_loop): Likewise.
11826 * combine.c (combine_instructions): Use xmalloc instead of alloca.
11828 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
11830 * toplev.c (rest_of_compilation): Don't optimize the CFG
11831 when rebuilding, just before dbr.
11833 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11835 * output.h (assemble_end_function, assemble_destructor,
11836 assemble_constructor, assemble_gc_entry, assemble_global,
11837 assemble_label, output_constant_pool) Constify a char*.
11839 * varasm.c (assemble_destructor, assemble_constructor,
11840 assemble_gc_entry, assemble_end_function, assemble_global,
11841 assemble_label, output_constant_pool): Likewise.
11843 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
11845 * config/arm/thumb.c (thumb_expand_prologue): Add comments
11846 explaining what is goin on in this function.
11848 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11850 * regclass.c (record_reg_classes): In matching case, recompute
11851 costs since the direction of movement is different.
11853 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11855 * resource.c (mark_target_live_regs): For unconditional branches,
11856 the resources found at the branch target should be added to the
11857 resources found so far, not intersected.
11859 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
11861 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
11863 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
11864 (sys/mman.h): Include this file only if #HAVE_MMAP.
11865 (run_compiles): Initialize `esac_fmt' with one old KR string, not
11866 with automatically concatenated ANSI strings.
11868 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
11870 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
11871 (DIV_ROUND_UP): Robustify.
11872 (ggc_recalculate_in_use_p): New function.
11873 (release_pages): Don't inline it.
11874 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
11876 (ggc_pop_context): Use ggc_recalculate_in_use_p.
11877 (clear_marks): Always save in_use_p.
11878 (sweep_pages): Use ggc_recalculate_in_use_p.
11879 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
11880 Release pages before counting statistics.
11882 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
11884 * toplev.c (rest_of_compilation): Fix thinko in this change:
11886 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
11888 (rest_of_compilation): If inside an inlined external function,
11889 pretend we are just being declared.
11891 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
11893 * flow.c (calculate_global_regs_live): Fix thinko.
11895 * integrate.c (expand_inline_function): Fix bugs in previous
11896 change from Oct 28, 1999.
11898 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
11900 * stmt.c (expand_value_return): Fix typo in this change:
11902 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11903 (expand_value_return): Correctly convert VAL when promoting function
11904 return; support RETURN_REG being a PARALLEL.
11906 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
11908 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
11910 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11912 * hard-reg-set.h (reg_names): Constify a char*.
11914 * regclass.c (reg_names): Likewise.
11916 * regs.h (reg_names): Likewise
11918 * a29k/a29k.c (reg_names): Delete declaration.
11920 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
11922 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
11923 arc_output_function_epilogue): Likewise.
11925 * elxsi/elxsi.c (reg_names): Likewise.
11927 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
11929 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
11932 * m88k/m88k.c (output_function_profiler): Likewise.
11934 * sparc/sparc.c (sparc_flat_output_function_prologue,
11935 sparc_flat_output_function_epilogue): Likewise.
11937 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
11939 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
11940 warning from -Wuninitialized and put it under -W.
11941 * function.c (uninitialized_vars_warning): Warn only when the
11942 corresponding flag is set.
11944 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
11946 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
11947 is nonzero and the single set does not have an elt, then assign
11950 * simplify-rtx.c: New file.
11951 * Makefile.in (OBJS): Add simplify-rtx.o
11952 (simplify-rtx.o): Add dependencies.
11953 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
11954 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
11955 (cse_gen_binary, simplify_unary_operation): Delete.
11956 (simplify_binary_operation, simplify_plus_minus): Likewise.
11957 (check_fold_consts, simplify_relation_operation): Likewise.
11958 (simplify_ternary_operation): Likewise.
11959 (delete_trivially_dead_insns): Simplify the contents of the
11960 REG_EQUAL note before trying to substitute it into the source
11961 of the reg-reg copy at the end of a libcall sequence.
11963 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
11964 references/callers changed.
11966 * mn10200.c (mn10200_va_arg): Force the return value into a
11969 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
11971 * cccp.c (macroexpand): Avoid out of range accesses for omitted
11974 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
11976 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
11978 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
11980 * fold-const.c (fold): Fix thinko when optimizing comparisons
11983 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
11985 * gcc.texi (Passes): Update front-end files to their current
11988 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
11990 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
11991 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
11992 (PREDICATE_CODES): Add addition_operation.
11993 * alpha-protos.h (addition_operation): Declare.
11994 (secondary_reload_class): Likewise.
11995 * alpha.c (addition_operation): New.
11996 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
11997 * alpha.md (adddi3): Turn into expander.
11998 (*lda, *adddi_2): New.
11999 (movsf, movdf patterns): Don't preference integer regs.
12000 (movsi, movdi patterns): Don't preference fp regs.
12002 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
12004 * genrecog.c (write_switch): Check for duplicate CODE cases.
12006 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
12008 * ggc-common.c: Update pre-function commentary.
12009 * ggc-page.c: Likewise.
12011 (poison_pages): Use memset directly.
12012 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
12013 (ggc_collect): Poison before sweeping.
12014 * ggc-simple.c: Update pre-function commentary.
12015 (ggc_alloc_obj): Poison non-zeroed memory.
12017 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
12019 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
12020 match format string, even on 64-bit hosts.
12021 * gcc-page.c (ggc_page_print_statistics): Likewise.
12023 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
12025 * config/i386/i386.c (ix86_cpu): Revert last patch.
12026 * config/i386/i386.h (ix86_cpu): Ditto.
12028 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
12030 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
12031 TYPE_SIZE, convert type of result to sizetype.
12033 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
12035 * flow.c (count_or_remove_death_notes): Equate NULL with the
12038 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
12039 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
12042 * i386.c (pic_label_no): Delete.
12043 (ix86_attr_length_default): Don't use single_set to peek
12046 * recog.c (peephole2_optimize): Allow recog_next_insn to index
12047 the first insn after bb->end.
12048 * i386.md (push mem peeps): Scratch is live after evaluation
12050 (cmp mem peep): Similarly.
12052 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
12054 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
12055 * function.c (pad_to_arg_alignment): Add missing braces.
12057 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12059 * alpha/alpha-protos.h (literal_section): Add prototype.
12060 (alpha_need_linkage, alpha_start_function,alpha_end_function):
12063 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
12065 (alpha_start_function, alpha_end_function, float_strings,
12066 alpha_need_linkage): Constify a char*
12068 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
12070 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
12072 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12074 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12076 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12078 * flow.c (debug_flow_info): Add prototype.
12080 * gcc.c (main): Likewise.
12082 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
12085 * reload1.c (failed_reload, set_reload_reg): Likewise.
12087 * mips-tfile.c (main): Likewise.
12088 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
12089 with ATTRIBUTE_NORETURN.
12091 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
12093 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
12094 DECL is not a memory ref.
12096 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
12098 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
12099 * config/i386/i386.c (ix86_cpu): Add extern attribute.
12101 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
12103 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
12104 * config/mips/elf64.h: ditto.
12106 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
12108 * expr.c (emit_push_insn): New argument alignment_pad.
12109 Update all callers. Adjust stack pointer based on alignment pad.
12110 * function.c (pad_to_arg_alignment): New argument alignment_pad.
12111 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
12112 (locate_and_pad_parm): New argument alignment_pad. Update all
12114 * expr.h (emit_push_insn): Update prototype.
12115 (locate_and_pad_parm): Update prototype.
12116 * calls.c (arg_data): Add new field alignment_pad.
12117 (initialize_argument_information): Initialize alignment_pad.
12119 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
12121 * except.c (free_eh_nesting_info): Free the info itself.
12122 * function.c (free_after_compilation): Don't free NULL.
12123 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
12124 (pre_edge_insert): Free inserted.
12125 * stmt.c (free_stmt_status): Don't free NULL.
12127 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12129 * gcov.c (DIR_SEPARATOR): Provide default.
12130 (output_data): Add test for MS-DOS format absolute filename.
12131 (fancy_abort): Correct program name.
12132 (open_files): Open all files in binary mode.
12133 * libgcc2.c (__bb_exit_func): Likewise.
12135 * profile.c (init_branch_prob): Specify binary when opening files.
12137 * flags.h (flag_unwind_tables): New decl.
12138 * toplev.c (flag_unwind_table): New definition.
12139 (f_options): Add -funwind-tables.
12140 (decode_g_option): Clarify warning when unknown -g option is given.
12141 (rest_of_compilation): If inside an inlined external function,
12142 pretend we are just being declared.
12144 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
12145 (dwarf2out_frame_finish): Likewise.
12147 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
12149 * fold-const.c (merge_ranges): If not in0, but in1, handle
12150 upper bounds equal like subset case.
12152 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
12154 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
12155 passed in a register but moved to the stack.
12157 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
12159 * gcc.c (pass_exit_codes, greatest_status): New variables.
12160 (struct option_map): Add entry for "--pass-exit-codes".
12161 (execute): Update greatest_status if error.
12162 (display_help): Add documentation for -pass-exit-codes.
12163 (process_command): Handle -pass-exit-codes.
12164 (main): Look at pass_exit_codes and greatest_status on call to exit.
12166 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12168 * reload.c (find_reloads): Refine test for no input reload
12169 case to not includes reloads emitted after insn.
12171 * function.c (find_temp_slots_from_address): Handle sum involving
12172 a register that points to a temp slot.
12173 (update_temp_slot_address): Make recursive call if both old and
12174 new are PLUS with a common operand.
12175 * calls.c (expand_call): Mark temp slot for result as having
12178 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
12180 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
12181 component as well as "BINUTILS".
12183 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
12184 * integrate.c (copy_rtx_and_substitute): Likewise.
12185 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
12186 All callers changed.
12187 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
12189 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
12190 gdb extensions, write size of type; also be more consistent
12191 in using references when this is a subtype.
12193 * pa.md (extv, extzv, insv): Use define_expand to reject constant
12194 that is out of range.
12196 * loop.c (unknown_constant_address_altered): New variable.
12197 (prescan_loop): Initialize it.
12198 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
12199 (invariant_p, case MEM): Remove handling for volatile and readonly;
12200 check new variable if readonly.
12201 (check_dbra_loop): Chdeck unknown_constant_address_altered.
12203 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
12204 (addr_affects_sp_p): Removed from note_mem_written and only
12205 define #ifdef AUTO_INC_DEC.
12207 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
12209 * regclass.c (record_reg_classes): Properly handle register move
12212 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
12213 Don't think valid if both operands are invalid.
12214 (struct constant_descriptor): New field RTL.
12215 (mark_const_hash_entry): Mark it.
12216 (record_constant{,_rtx}): Initialize it.
12217 (output_constant_def): Allocate RTL in permanent obstack and
12219 ({record,compare}_constant_1): Modes must match for
12220 CONSTRUCTOR of ARRAY_TYPE.
12222 * c-common.h (initializer_constant_valid_p): Delete decl from here.
12223 * output.h (initializer_constant_valid_p): Move decl to here.
12224 * c-common.c (initializer_constant_valid_p): Delete function from here.
12225 * varasm.c (initializer_constant_valid_p): Move function to here.
12227 * tree.h (STRIP_SIGN_NOPS): New macro.
12228 * fold-const.c (optimize_minmax_comparison): New function.
12229 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
12230 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
12231 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
12232 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
12233 widening conversions.
12234 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
12235 to look at size of mode, not precision of type; also add missing cases.
12236 (optimize_bit_field_compare, decode_field_reference): Don't try to
12237 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
12239 * dwarf2out.c (ctype.h): Include.
12240 (dwarf2out_set_demangle_name_func): New function.
12241 (size_of_line_info): Deleted.
12242 (output_line_info): Compute size of line info table from difference
12244 (base_type_die, add_name_attribute): Call demangle function, if any.
12245 (field_byte_offset): Use bits per word for variable length fields.
12246 (gen_array_type_die): Add array name.
12247 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
12248 (dwarf2out_add_library_unit_info): New function.
12250 * explow.c (set_stack_check_libfunc): New function.
12251 (stack_check_libfunc): New static variable.
12252 (probe_stack_range): Allow front-end to set up a libfunc to call.
12254 * combine.c (simplify_comparison): When making comparison in wider
12255 mode, check for having commuted an AND and a SUBREG.
12256 (contains_muldiv): New function.
12257 (try_combine): Call it when dividing a PARALLEL.
12258 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
12259 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
12261 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
12262 use one of the CLOBBERs instead.
12263 (if_then_else_cond): If comparing against zero, just return thing
12266 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
12267 Don't generate shifts and subtract if have conditional arithmetic.
12269 * rtl.h (delete_barrier): New declaration.
12270 * jump.c (jump_optimize): Set up to handle conditional call.
12271 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
12272 (delete_barrier): New function.
12274 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
12276 * recog.c (nonmemory_operand): Accept ADDRESSOF.
12278 * tree.c (build_type_attribute_variant): Push to obstack of
12279 ttype around type_hash_canon call.
12281 * expr.c (placeholder_list): Move decl to file scope.
12282 (expand_expr): Don't force access to volatile just because its
12284 If ignoring reference operations, just expand the operands.
12285 (expand_expr, case COMPONENT_REF): Propagate
12286 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
12287 Refine test for using bitfield operations vs pointer punning.
12288 (expand_expr, case CONVERT_EXPR): If converting to
12289 BLKmode UNION_TYPE from BLKmode, just return inner object.
12290 Use proper mode in store_field call.
12291 Properly set sizes of object to store and total size in store_field
12292 call for convert to union.
12293 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
12294 memory (like for ADDR_EXPR). Also, don't put constant in register if
12295 we'll want it in memory.
12296 (readonly_fields_p): New function.
12297 (expand_expr, case INDIRECT_REF): Call it if LHS.
12298 (expand_assignment): Handle a RESULT_DECL where
12299 DECL_RTL is a PARALLEL.
12300 (do_jump, case WITH_RECORD_EXPR): New case.
12301 (get_inner_reference): Always go inside a CONVERT_EXPR
12302 and NOP_EXPR if both modes are the same.
12303 (store_field): Use bitfield operations if size of bitsize is not same
12304 as size of RHS's type.
12305 Check for bitpos not a multiple of alignment in BLKmode case.
12306 Do block move in largest possible alignment.
12307 (store_constructor): Set BITSIZE to -1 for variable size and properly
12308 in case of array of BLKmode.
12309 (expand_expr_unaligned): New function.
12310 (do_compare_and_jump): Call it.
12312 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
12313 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
12314 does not include 'o'.
12316 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
12317 both SET_DEST and SET_SRC reference a virtual register.
12318 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
12320 * integrate.c (expand_inline_function): Handle case of setting
12321 virtual stack vars register (from built in setjmp); when parameter
12322 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
12323 (subst_constant): Add new parm, MEMONLY.
12324 (expand_inline_function, integrate_parm_decls): Pass new parm.
12325 (integrate_decl_tree): Likewise.
12326 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
12327 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
12328 (copy_rtx_and_substitute, case SET): Add explicit calls to
12329 copy_rtx_and_substitute for both sides.
12331 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
12333 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
12334 within INDEX_TYPE, instead of before.
12335 (fixup_gotos): Use f->target_rtl, not the next insn,
12336 since latter may be from a later fixup.
12337 (expand_value_return): Correctly convert VAL when promoting function
12338 return; support RETURN_REG being a PARALLEL.
12339 (expand_return): When checking for result in regs and having
12340 cleanup, consider PARALLEL in DECL_RTL as being in regs.
12342 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
12344 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
12345 last_nominal_fname): Mark const.
12346 (struct include_hash: name, nshort, control_macro): Mark
12348 (struct macrodef: symnam): Mark const.
12349 (struct if_stack: fname): Mark const.
12350 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
12351 (IStable): New character-syntax array which encompasses all
12352 the old is_foo arrays.
12353 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
12354 is_space): New macros for interrogating IStable.
12355 (check_macro_name): Kill last argument. All callers changed.
12357 * cppinit.c (initialize_char_syntax): Delete.
12358 (is_idchar, is_idstart, is_hor_space, is_space,
12359 trigraph_table): Delete.
12360 (IStable): New. Initialize with clever macros to avoid
12361 information duplication.
12362 (builtin_array): Table of builtins to get rid of explicit list
12363 in initialize_builtins.
12364 (initialize_builtins): Use builtins_array.
12365 (cpp_start_read): Call init_IStable, and set IStable['$'] if
12366 opts->dollars_in_ident.
12368 * cppexp.c: Change all refs to is_xyz[] arrays to use new
12370 (cpp_parse_expr): Avoid 'format string is not constant'
12371 warning. Use ISGRAPH to identify printable chars.
12372 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
12374 (read_and_prescan): Map trigraphs to chars with open-coded
12375 if-else-if-... sequence, not a lookup table.
12376 * cpphash.c: Change all refs to is_xyz[] arrays to use new
12378 * cpplib.c: Change all refs to is_xyz[] arrays to use new
12379 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
12380 (check_macro_name): Remove ability to report an invalid
12381 assertion name, which is never used.
12382 (do_line): Constify a couple of char *'s.
12383 * cppmain.c (main): Call cpp_cleanup before returning.
12385 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
12387 * ggc.h (struct ggc_statistics): New type.
12388 (ggc_get_size): New function.
12389 (ggc_print_statistics): Likewise.
12390 * ggc-common.c (ggc_stats): New variable.
12391 (ggc_mark_rtx_children): Keep statistics.
12392 (ggc_mark_tree_children): Likewise.
12393 (ggc_print_statistics): New function.
12394 * ggc-page.c (struct globals): Add bytes_mapped field.
12395 (alloc_anon): Update it.
12396 (release_pages): Likewise.
12397 (ggc_get_size): New function.
12398 (ggc_page_print_statistics): New function.
12399 * ggc-simple.c (ggc_get_size): New function.
12401 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
12403 * flow.c (propagate_block): When the last reference to a label
12404 before an ADDR_VEC is deleted because the reference is a dead
12405 store, delete the ADDR_VEC.
12407 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
12409 * resource.c (find_free_register): Don't use the frame pointer
12410 if frame_pointer_needed.
12412 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
12414 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
12415 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
12417 * config/i960/i960.c (i960_va_start): New locals base, num.
12418 Use INDIRECT_REF instead of ARRAY_REF on valist.
12419 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
12421 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
12423 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
12425 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
12427 * tree.def (PLACEHOLDER_EXPR): Update comments.
12429 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12431 * c-common.c (check_format_info): Avoid non-literal format string
12432 warnings when `first_arg_num' is zero.
12434 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12436 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
12438 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
12440 * arm.md (casesi_insn): Add a clobber of the condition code
12443 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
12445 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
12446 used by both cc1 and cc1plus.
12448 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
12450 * config/arm/arm.c: Initialise arm_structure_size_boundary to
12451 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
12452 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
12453 to the value 32 if it has not already been defined.
12454 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
12455 Override definition in arm.h with a value of 8.
12457 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
12459 * c-pragma.c (push_alignment): Don't check the return value
12462 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
12464 * sparc.h (ADJUST_COST): Fix thinko.
12466 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
12468 * cccp.c (rescan): Fixed obp pointer handling around call to
12469 check_expand subroutine.
12471 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
12473 * gcse.c (delete_null_pointer_checks): Only record non-null info
12474 for pseudos when examining stores.
12476 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
12477 splitters for these patterns. Use "#" for output templates.
12478 (addsi3_carryin_shift): New pattern.
12480 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
12482 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
12483 of the function return register into a plain REG until
12484 after function inlining is done.
12486 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
12488 * jump.c (jump_optimize_1): If we did cross-jumping, and
12489 the data will matter, rebuild the CFG.
12490 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
12491 not optimizing. Don't run shorten_branches.
12492 * toplev.c (rest_of_compilation): Run shorten_branches after
12495 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
12497 * rtl.h (note_stores): Add additional paramter.
12498 * rtlanal.c (reg_set_p_1): Take additional paramter.
12499 (reg_set_last_1): Likewise.
12500 (reg_set_p): Adjust call to note_stores.
12501 (reg_set_last): Likewise.
12502 (note_stores): Pass data parameter to worker function.
12503 * alias.c (record_set): Take additional parameter.
12504 (init_alias_analysis): Pass it.
12505 * caller-save.c (mark_set_regs): Take additional parameter.
12506 (save_call_clobbered_regs): Pass NULL to note_stores.
12507 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
12509 (record_dead_and_set_regs_1): Likewise.
12510 (reg_dead_at_p_1): Likewise.
12511 (combine_instructions): Adjust calls to note_stores.
12512 (try_combine): Likewise.
12513 (record_dead_insn): Remove.
12514 (record_dead_and_set_regs): Adjust calls to note_stores.
12515 (reg_dead_at_p): Likewise.
12516 * cse.c (invalidate_skipped_set): Take additional parameter.
12517 (cse_check_loop_start): Likewise.
12518 (cse_check_loop_start_value): Remove.
12519 (cse_set_around_loop): Adjust calls to note_stores.
12520 * flow.c (notice_stack_pointer_modification): Take additional
12521 parameter. Remove duplicate declaration.
12522 (record_volatile_insns): Adjust calls to note_stores.
12523 * gcse.c (record_set_info): Take additional parameter.
12524 (record_last_set_info): Likewise.
12525 (invalidate_nonnull_info): Likewise.
12526 (record_set_insn): Remove.
12527 (compute_sets): Adjust calls to note_stores.
12528 (last_set_insn): Remove.
12529 (compute_hash_table): Adjust calls to note_stores.
12530 (insert_insn_end_bb): Likewise.
12531 (delete_null_pointer_checks): Likewise.
12532 * global.c (mark_reg_store): Take additional parameter.
12533 (mark_reg_clobber): Likewise.
12534 (reg_becomes_live): Likewise.
12535 (global_conflicts): Adjust calls to note_stores.
12536 (build_insn_chain): Likewise.
12537 * integrate.c (note_modified_parmregs): Take additional parameter.
12538 (mark_stores): Likewise. Make it static.
12539 (save_for_inline_nocopy): Adjust calls to note_stores.
12540 (try_constants): Likewise.
12541 * integrate.h (mark_stores): Remove declaration.
12542 * jump.c (mark_modified_reg): Take additional parameter.
12543 (thread_jumps): Adjust calls to note_stores.
12544 * local-alloc.c (validate_equiv_mem_from_store): Take additional
12546 (no_equiv): Likewise.
12547 (reg_is_set): Likewise.
12548 (validate_equiv_mem): Adjust calls to note_stores.
12549 (update_equiv_regs): Likewise.
12550 (block_alloc): Likewise.
12551 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
12552 (note_addr_stored): Take additional parameter.
12553 (note_set_pseudo_multiple_uses): Likewise.
12554 (record_initial): Likewise.
12555 (prescan_loop): Adjust calls to note_stores.
12556 (strength_reduce): Likewise.
12557 (check_dbra_loop): Likewise.
12558 * regmove.c (flags_set_1): Take additional paramter.
12559 (mark_flags_life_zones): Adjust calls to note_stores.
12560 * reload1.c (mark_not_eliminable): Take additional parameter.
12561 (forget_old_reloads_1): Likewise.
12562 (reload_cse_invalidate_rtx): Likewise.
12563 (reload_cse_check_clobber): Likewise.
12564 (reload_combine_note_store): Likewise.
12565 (move2add_note_store): Likewise.
12566 (reload): Adjust calls to note_stores.
12567 (reload_as_needed): Likewise.
12568 (emit_reload_insns): Likewise.
12569 (reload_cse_regs_1): Likewise.
12570 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
12571 (reload_combine): Adjust calls to note_stores.
12572 * resource.c (update_live_status): Take additional paramter.
12573 (mark_target_live_regs): Adjust calls to note_stores.
12574 * stupid.c (find_clobbered_regs): Take additional parameter.
12575 (stupid_life_analysis): Adjust calls to note_stores.
12577 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
12579 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
12582 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
12585 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
12586 of the variable arm_structure_size_boundary.
12588 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12590 * alias.c (init_alias_analysis): Allocate reg_known_value and
12591 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
12593 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
12594 * cse.c (cse_main): Call end_alias_analysis.
12595 * haifa-sched.c (schedule_insns): Likewise.
12596 * local-alloc. (update_equiv_regs): Likewise.
12597 * reload1.c (reload_cse_regs): Likewise.
12599 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12601 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
12602 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
12603 mapping from MASK_FPU.
12605 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
12607 * sparc.md (call): Don't bound structure return size to 0xfff.
12609 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
12611 * resource.c (mark_target_live_regs): Check that the target
12612 insn wasn't created after compute_bb_for_insn.
12614 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
12616 * ggc-page.c (poison_pages): Don't be overzealous.
12618 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
12620 * alias.c: Update comments for ADDRESS.
12621 (nonlocal_reference_p): Look inside the ADDRESS to determine if
12622 it is a local memory reference.
12624 * c-typeck.c (build_function_call): Check that the built-in
12625 function is of class BUILT_IN_NORMAL before trying to recongize
12626 it as BUILT_IN_ABS.
12627 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
12628 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
12630 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
12632 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
12634 (pre_gcse): Likewise.
12635 (hoist_expr_reaches_here_p): Likewise.
12636 (hoist_code): Likewise.
12637 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
12639 (pre_expr_reaches_here_p_work): ... here.
12640 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
12642 (expr_reaches_here_p_work): ... here.
12644 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
12646 * resource.c (find_basic_block): Delete.
12647 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
12648 (init_resource_info): Call compute_bb_for_insn.
12650 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
12652 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
12653 with already adjacent blocks, but no fallthru.
12654 (merge_blocks_move_successor_nojumps): Simplify.
12655 (debug_flow_info): New.
12657 * toplev.c (rest_of_compilation): Open jump1 dump file before
12658 jump and close after, as opposed to just using dump_rtl.
12660 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12662 * reload.h (earlyclobber_operand_p): Declare.
12663 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
12664 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12665 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
12666 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
12668 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12669 Richard Henderson <rth@cygnus.com>
12671 * emit-rtl.c (emit_block_insn_before): New.
12672 (emit_block_insn_after): New.
12673 * basic-block.h: Declare them.
12675 * bitmap.h: Protect from multiple inclusion.
12677 * recog.c (scratch_operand): Handle VOIDmode correctly.
12679 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
12681 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
12682 * function.c (assign_parms): Likewise.
12683 * global.c (global_conflicts): Clarify STACK_REGS commentary.
12685 * reg-stack.c (max_uid): Remove.
12686 (blocks, block_begin, block_end, block_drops_in): Remove.
12687 (block_stack_in, block_out_reg_set, block_number): Remove.
12688 (struct block_info_def, BLOCK_INFO): New.
12689 (enum emit_where): New.
12690 (current_block): New.
12691 (BLOCK_NUM): Remove.
12692 (mark_regs_pat, record_label_references): Remove.
12693 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
12695 (goto_block_pat, print_blocks, dump_stack_info): Remove.
12696 (reg_to_stack): Simplified test for existance of fp code. Use
12697 flow.c code. Call shorten_branches after cross-jump opt.
12698 (check_asm_stack_operands): Renamed from record_asm_reg_life.
12699 Return false if the asm doesn't use stack regs. Don't do life
12700 analysis on the asm.
12701 (emit_pop_insn): Replace function pointer arg `when' with
12702 enum `where'. Update all callers.
12703 (change_stack): Likewise. Update basic block end.
12704 (emit_swap_insn): Use current_block->head to limit reverse search
12705 for start of block. Use emit_block_insn_after.
12706 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
12707 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
12708 structure assignment instead of bcopy.
12709 (print_stack): New.
12710 (convert_regs_entry, convert_regs_exit): New.
12711 (convert_regs_1, convert_regs_2): Split out from convert_regs.
12712 Work on basic blocks and the CFG.
12713 (convert_regs): Use them.
12715 * i386.c (output_fix_trunc): Remove code for DImode input operand
12716 not at top-of-stack.
12717 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
12719 (fix_truncdi_1): Allow any mode scratch.
12721 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
12723 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
12724 * linux.h, netbsd.h, vms.h: Not here.
12726 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
12728 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
12729 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
12730 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
12731 CONDITIONAL_REGISTER_USEAGE): Use them.
12732 * config/mips/mips.c (mips_move_1word,mips_move_2words,
12733 gen_conditional_branch,override_options) : Use them.
12734 * config/mips/mips.md : Use them.
12736 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
12738 * i386.md (zero_extendqihi2): Use SImode register name with andl.
12740 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
12742 * integrate.c (function_cannot_inline_p): Don't allow inlining
12745 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12747 * c-parse.in (cast_expr): Constify.
12749 * cccp.c (special_symbol): Likewise.
12751 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
12753 * dwarf2out.c (base_type_die): Likewise.
12755 * global.c (allocno_compare): Likewise.
12757 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
12759 * regclass.c (fix_register): Likewise.
12761 * rtl.h (fix_register): Likewise.
12763 * stupid.c (stupid_reg_compare): Likewise.
12765 * toplev.c (decode_f_option): Likewise.
12767 * tree.c (build_complex_type): Likewise.
12769 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
12771 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
12773 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12775 * reload.c (find_reloads): Compute mode and nregs fields of all
12777 * reload1.c (calculate_needs_all_insns): Simplify a bit.
12778 (calculate_needs): Use precomputed mode/nregs values.
12779 (allocate_reload_reg): Likewise.
12781 (failed_reload, set_reload_reg): ... new functions.
12782 (choose_reload_regs_init): New function, mostly broken out from...
12783 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
12784 Also lose one #if 0 block.
12786 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
12788 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
12791 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
12793 * tree.h (BLOCK_TYPE_TAGS): Remove.
12794 (BLOCK_END_NOTE): Likewise.
12795 (BLOCK_LIVE_RANGE_FLAG): Likewise.
12796 (BLOCK_LIVE_RANGE_START): Likewise.
12797 (BLOCK_LIVE_RANGE_END): Likewise.
12798 (tree_block): Remove live_range_flag, live_range_var_flag, and
12799 type_tags. Remove end_note, live_range_start, and live_range_end.
12800 (remember_end_note): Remove prototype.
12801 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
12802 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
12804 * ggc-common.c (ggc_mark_tree_children): Don't mark
12805 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
12806 * integrate.c (adjust_copied_decl_tree): Remove.
12807 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
12808 * stmt.c (last_block_end_note): Remove.
12809 (init_stmt): Don't add a GC root for it.
12810 (expand_fixup): Don't set it.
12811 (remember_end_note): Remove.
12812 (expand_end_bindings): Don't set last_block_end_note.
12814 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12816 * reload1.c (reload_reg_free_for_value_p): Show
12817 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
12820 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
12822 * expmed.c (extract_bit_field): Allow for the case of non-integer
12823 objects that are smaller than a word (like SFmode on a 64-bit
12826 * loop.c (basic_induction_var): A non-integer variable which is
12827 being set by a paradoxical subreg is probably not a biv.
12829 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12831 * prefix.c (translate_name) Check for empty prefix string.
12833 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
12835 * Makefile.in (CPP_CROSS_NAME): New variable.
12836 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
12838 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
12839 names of the files to be uninstalled.
12841 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
12843 * collect2.c (IS_DIR_SEPARATOR): Define.
12844 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
12846 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
12849 * haifa-sched.c (add_dependence): Update the true dependency
12850 cache the first time we add a true dependence to the LOG_LINKS chain.
12852 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
12854 * fold-const.c (fold): Fix comment.
12856 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12858 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
12859 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
12860 dbxout_start_new_source_file, dbxout_source_file,
12861 dbxout_source_line, dbxout_finish, dbxout_type_fields,
12862 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
12864 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
12865 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
12866 (dbxout_block): Initialize variable `blocknum'.
12868 * dbxout.h (dbxout_init, dbxout_finish,
12869 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
12870 dbxout_args, dbxout_source_line): Constify a char*.
12872 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
12873 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
12874 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
12875 low_pc_attribute, high_pc_attribute, body_begin_attribute,
12876 body_end_attribute, comp_dir_attribute, sf_names_attribute,
12877 src_info_attribute, mac_info_attribute, producer_attribute,
12878 lookup_filename, generate_macinfo_entry, fundamental_type_code,
12879 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
12880 dwarfout_undef): Constify a char*.
12881 (add_incomplete_type, retry_incomplete_types): Add prototypes.
12883 * dwarfout.h (dwarfout_define, dwarfout_undef,
12884 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
12886 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
12888 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
12889 (MULTILIB_ISA_DEFAULT): New.
12890 (MULTILIB_DEFAULTS): Use it.
12891 * config/mips/mips.c (): Remove the now unnecessary definition
12892 of MIPS_ISA_DEFAULT.
12893 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
12894 unnecessary definition.
12896 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
12898 * arm.md (pic_load_addr): Add constraints to operand 1.
12900 1999-10-25 Bruce Korb <autogen@linuxbox.com>
12902 * fixinc/genfixes: Provide a means for specifying -D options to
12905 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
12907 * arm.c (arm_override_options): Correct initialization of
12908 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
12909 arm_is_strong, and arm_is_6_or_7.
12911 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
12912 (note_set_pseudo_multiple_uses): New function.
12913 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
12914 if a pseudo set in the loop exit is used elsewhere.
12916 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
12918 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
12920 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
12922 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
12923 a single load-address pattern.
12925 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
12927 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
12928 depending on whether or not line-number notes are present.
12930 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12932 * cccp.c (progname, file_buf, default_include, include_file,
12933 macrodef, definition, hashval, wchar_type, user_label_prefix,
12934 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
12935 expand_to_temp_buffer, is_system_include, base_name,
12936 absolute_filename, read_name_map, open_include_file,
12937 record_control_macro, check_precompiled, check_preconditions,
12938 pcfinclude, pass_thru_directive, create_definition,
12939 check_macro_name, comp_def_part, collect_expansion,
12940 check_assertion, read_token_list, assertion_install,
12941 assertion_lookup, eval_if_expression, conditional_skip,
12942 validate_else, skip_quoted_string, quote_string, macarg1,
12943 error_from_errno, install, lookup, hashf, dump_defn_1,
12944 perror_with_name, pfatal_with_name, main, trigraph_pcp,
12945 check_white_space, rescan, handle_directive, monthnames,
12946 special_symbol, do_include, remap_include_file, write_output,
12947 arglist, do_assert, do_unassert, do_line, do_error, do_once,
12948 do_ident, do_sccs, do_xifdef, skip_if_group,
12949 output_line_directive, macroexpand, macarg, change_newlines,
12950 initialize_builtins, make_definition): Constify a char*.
12952 * pcp.h (stringdef): Likewise.
12954 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
12956 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
12959 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
12960 Richard Henderson <rth@cygnus.com>
12962 * alias.c: Include ggc.h.
12963 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
12964 (record_set): Verify enough room in reg_base_value.
12965 (init_alias_analysis): Allocate reg_base_value with xcalloc.
12966 Register it as a GC root.
12967 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
12968 * Makefile.in (alias.o): Depend on ggc.h.
12970 * unroll.c (unroll_loop): Verify the insn before a barrier
12971 is a JUMP_INSN before checking JUMP_LABEL.
12973 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12975 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
12976 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
12977 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
12978 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
12979 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
12980 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
12982 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12984 * output.h (ctors_section, dtors_section, bss_section): Prototype.
12986 * alpha/alpha-interix.h (text_section): Delete prototype.
12987 * alpha/elf.h (text_section): Likewise.
12988 * arm/linux-elf.h (text_section): Likewise.
12989 * arm/linux-telf.h (text_section): Likewise.
12990 * c4x/c4x.h (text_section): Likewise.
12991 * dsp16xx/dsp16xx.h (bss_section): Likewise.
12992 * elfos.h (text_section): Likewise.
12993 * i386/aix386ng.h (text_section): Likewise.
12994 * i386/i386-interix.h (text_section): Likewise.
12995 * i386/sco5.h (text_section): Likewise.
12996 * i386/svr3gas.h (text_section): Likewise.
12997 * nextstep.h (text_section): Likewise.
12998 * psos.h (text_section): Likewise.
12999 * ptx4.h (text_section): Likewise.
13000 * svr3.h (text_section): Likewise.
13001 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
13003 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13005 * final.c (peephole): Delete prototype.
13007 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
13008 (pre_insert_copies): Remove unused variable `bb'.
13010 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
13013 * output.h (peephole): Add prototype.
13015 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
13017 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
13020 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
13022 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
13023 for inlined declarations.
13025 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
13027 * arm.c (logical_binary_operator): New fucntion.
13028 * arm.h (logical_binary_operator): Declare it.
13029 (PREDICATE_CODES): Handle logical_binary_operator.
13030 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
13031 output constraints. Add appropriate splitters.
13032 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
13033 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
13034 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
13036 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13038 * genoutput.c (struct operand_data): New elt eliminable.
13039 (output_operand_data): Write it.
13040 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
13041 (compare_operands): Take it into account.
13042 * recog.h (struct insn_operand_data): New elt eliminable.
13043 * reload1.c (check_eliminable_occurrences, elimination_effects): New
13045 (old_asm_operands_vec, new_asm_operands_vec): Delete.
13046 (eliminate_regs): Move code that detects changes to elimination
13047 target regs into new function elimination_effects.
13048 Delete one #if 0 block.
13049 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
13050 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
13051 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
13052 Only call eliminate_regs for real operands of the insn, not for parts
13053 of its structure or parts matched by things like match_operator.
13054 Use elimination_effects and check_eliminable_occurrences. Use
13055 copy_insn to duplicate the pattern when not in the final pass.
13057 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
13059 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
13062 1999-10-22 Bruce Korb <autogen@linuxbox.com>
13064 * fixinc/README: document the "mach" machine matching test
13065 * fixinc/fixfixes.c: Implement the #else/#endif label fix
13066 * fixinc/fixtests.c: Implement the #else/#endif label test
13067 * fixinc/inclhack.def: utilize these tests and fixes
13068 * fixinc/inclhack.sh: regen
13069 * fixinc/fixincl.x: regen
13070 * fixinc/fixincl.sh: regen
13072 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
13074 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
13077 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
13079 * gcc.1: Document exit codes.
13081 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13083 * calls.c: Include tm_p.h later, so everything we need is defined.
13084 * expr.c: Likewise.
13085 * function.c: Likewise.
13087 * except.c: Include tm_p.h.
13089 * sparc.c: Likewise.
13090 (dwarf2out_cfi_label): Don't prototype.
13091 (check_return_regs, epilogue_renumber,
13092 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13093 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
13094 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
13095 ultra_schedule_insn): Add static prototype.
13096 (data_segment_operand, text_segment_operand): Call itself with the
13097 proper number of arguments.
13098 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
13100 * sparc.h: Move all declarations to sparc-protos.h.
13101 (SELECT_RTX_SECTION): Pass a missing MODE argument to
13104 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
13106 * config/svr4.h (text_section, ctors_section, dtors_section): Add
13108 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
13109 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13110 ASM_OUTPUT_ASCII): Constify a char*.
13112 * sparc-protos.h: New file for sparc prototypes.
13114 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13116 * function.c (record_insns, contains): Always declare and define.
13117 (record_insns): Mark with ATTRIBUTE_UNUSED.
13119 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13121 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
13122 to .section when outputting a .bss section to deal with multiple
13123 .bss input sections (as happens with -fdata-sections)
13124 Also output %progbits, not @progbits so the assembler doesn't treat as
13126 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
13128 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
13129 thumb parts even when building with non-thumb CPUs, by forcing
13132 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
13134 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
13135 (movdf_const_intreg_sp64): Similarly.
13137 * local-alloc.c (update_equiv_regs): Check the correct insn
13138 for pre-existing REG_EQUIV notes.
13140 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
13142 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
13143 block reached by a branch if we're not going to actually process
13146 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
13148 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
13149 a local extern function declaration.
13151 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
13153 * i386.c (ix86_expand_prologue): Properly wrap USE around
13154 reg for CALL_INSN_FUNCTION_USAGE.
13156 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
13158 * config/mips/mips.md (movdf_internal1a): Allow floating-point
13159 move between GP_REGs.
13161 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
13163 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
13164 the mode size when finding out if an offset is legal.
13166 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
13168 * basic-block.h (PROP_*): Move constants from ...
13169 * flow.c: ... here.
13170 (compute_bb_for_insn): Free the array before reallocating.
13171 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
13172 (allocate_reg_life_data): Reset all reg variables collected by
13174 (get_block_head_tail): Don't convert from bb to block.
13175 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
13176 (find_insn_reg_weight): Take block not bb.
13177 (schedule_block): Don't set block num for moved insns.
13178 (schedule_region): Don't update_life_info or find_insn_reg_weight.
13179 (schedule_insns): Do it here instead.
13180 * combine.c (combine_instructions): Invoke compute_bb_for_insn
13181 before update_life_info.
13182 * recog.c (split_all_insns, peephole2_optimize): Update for
13183 new arg to update_life_info.
13184 * rtlanal.c (remove_note): Cope with NULL note.
13185 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
13188 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
13190 * jump.c (jump_optimize_1): More accurately detect casesi insns.
13192 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
13193 block records so that merge_blocks_nomove will clean up correctly.
13194 (split_edge): Handle casesi insns.
13196 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
13198 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
13200 * pa.md (call, call_value): Do not emit a blockage after restoring
13203 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
13205 * c-typeck.c (c_expand_asm_operands): Fix typo.
13207 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13209 * arm.c (fpu_rhs_operand): Verify modes.
13210 (fpu_add_operand): Likewise.
13211 (di_operand): Likewise.
13212 (soft_df_operand): Likewise.
13214 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
13216 * arm.c (arm_return_in_memory): APCS rules state that the elements
13217 of a structure returned in a register must be 'integer-like'.
13219 1999-10-19 Bruce Korb <autogen@linuxbox.com>
13221 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
13222 in the source tree when the generated targets are out of date
13223 * fixinc/genfixes: Alter it to run individual fixes for make.
13224 * fixinc/README: rewrite
13225 * fixinc/inclhack.def: moved initial comments to README
13227 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
13229 * toplev.c (main): Do not generate an error message if an
13230 unrecognised command line switch is recognisable by another
13231 language. If extra_warnings are enabled, then generate a
13232 warning message instead.
13234 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
13236 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
13237 (insert_pack_attributes): Delete prototype.
13239 * c-pragma.c (default_alignment): New static variable.
13240 (push_alignment): Initialize to current effective alignment.
13241 (pop_alignment): Use to set new alignment.
13242 (insert_pack_attributes): Delete function.
13243 (handle_pragma_token): Set default_alignment as well each time
13244 a #pragma pack(<n>) is encountered.
13246 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
13248 * reg-stack.c (stack_result): Aggregates are not returned in
13251 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13253 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
13255 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
13257 * basic-block.h (set_block_num): Declare.
13258 * flow.c (update_life_info): Don't call compute_bb_for_insn
13259 or free_basic_block_vars.
13260 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
13261 (insn_orig_block): Remove.
13262 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
13263 (schedule_block): Keep BLOCK_NUM up-to-date.
13264 (schedule_insns): Use compute_bb_for_insn.
13265 * recog.c (split_all_insns): Likewise.
13266 (peephole2_optimize): Likewise.
13268 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
13270 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
13271 if the pic register is used.
13273 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13275 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
13276 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
13277 if that tests TREE_PERMANENT.
13279 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
13281 * cse.c (invalidate_for_call): Do not remove memory references from
13282 the table here. It's handled elsewhere.
13284 * haifa-sched.c (add_dependence): Protect references to the
13285 true dependency cache with #ifdef INSN_SCHEDULING.
13286 (remove_dependence): Similarly.
13288 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
13289 to the cfg code that this is a return instruction.
13290 * mn10300.md (return_internal): Similarly.
13292 * combine.c (get_last_value): If the last set of a register
13293 is after subst_low_cuid, then we can not use it to determine
13294 the register's last value.
13296 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13298 * Makefile.in: Back out previous change.
13300 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
13302 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
13304 * haifa-sched.c (add_dependence): Only check/update the cache
13306 (remove_dependence): Likewise.
13307 (schedule_insns): Only create the true_dependency_cache if the
13308 average number of instructions in a basic block is very large.
13310 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13312 * Makefile.in (ggc-common.o): Depend on genrtl.h.
13313 (ggc-simple.o): Likewise.
13314 (ggc-page.o): Likewise.
13316 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
13318 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
13319 Prototype for exported functions.
13320 (pre_lcm, pre_rev_lcm): Remove prototypes.
13321 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
13322 (compute_available): Move to lcm.c, and change parameter order.
13323 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
13324 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
13325 (gcse_main): No longer call compute_preds_succs. Rebuild the
13326 set table after reach pre pass.
13327 (pre_insert_map, pre_delete_map, edge_list): New.
13328 (alloc_pre_mem): Allocate edge vectors.
13329 (free_pre_mem): Delete edge vectors.
13330 (compute_pre_data): Call new edge based lcm routines.
13331 (process_insert_insn): New function.
13332 (insert_insn_end_bb): Use it.
13333 (pre_edge_insert): New function.
13334 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
13336 (pre_insert_copies): Revamp using new edge based lcm outputs.
13337 (pre_delete): Likewise.
13338 (one_pre_gcse_pass): Insert & remove fake edges to the exit
13340 (compute_code_hoist_vbeinout): New new edge based routines.
13341 * lcm.c: Remove all the old LCM functions. Replace with new ones
13342 that work with the new cfg datastructures and work with edges
13345 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13347 * reload.h (struct reload): Add new fields "mode" and "nregs".
13348 * reload1.c: Change all occurrences of reload_mode and reload_nregs
13349 to reference the "mode" and "nregs" field within struct reload.
13351 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
13353 * haifa-sched.c (true_dependency_cache): New.
13354 (add_dependence): Use the true dependency cache to avoid expensive
13355 walks down the LOG_LINKS dependency list. Add entries to the
13356 cache as necessary.
13357 (remove_dependence): Remove entries from the true dependency cache
13359 (schedule_insns): Allocate and initialize and free the true
13362 * haifa-sched.c (schedule_insns): Do not remove inter-block
13363 dependencies anymore.
13365 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13367 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
13368 * i386/t-winnt: Likewise.
13370 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
13372 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
13374 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
13376 * Makefile.in (LANGUAGES): Omit "proto".
13377 (clean): Remove stale comment about removing unprotoize.c.
13379 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13381 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
13382 using arithmetic on void pointers.
13384 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
13386 * haifa-sched.c (compute_block_forward_dependencies): Only check
13387 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
13389 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
13391 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
13392 (expr_equiv_p): Reject memories with different alias sets.
13394 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
13396 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
13397 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
13398 (f_options): Add "bounded-pointers" and "bounds-check" entries.
13399 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
13400 (lang_init): Set default for flag_bounds_check if still "unspecified".
13402 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13404 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
13406 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13408 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
13411 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13413 * config/c4x/c4x.md (*db_noclobber,
13414 *decrement_and_branch_until_zero_noclobber): New patterns and
13415 associated splitters.
13417 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13419 * config/c4x/c4x.md (parallel instruction patterns): Rework
13420 constraints to keep reload happy.
13422 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13424 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
13425 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
13426 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
13427 Add new patterns and associated post-reload splitters.
13429 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13431 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
13433 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13435 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
13437 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
13439 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13441 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
13444 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
13446 * pa.c (move_operand): Rely on memory_address_p to determine the
13447 validity of non-indexed memory addresses.
13448 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
13449 operand in DFmode and SFmode when generating PA2.0 code.
13451 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
13453 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
13455 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
13457 * mips.c (function_prologue): Fix argument types.
13458 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
13459 (casesi_internal): Write to the scratch register.
13461 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
13463 * cppexp.c (cpp_parse_escape): Make static. Change second arg
13465 (parse_charconst): Delete unnecessary cast when calling
13467 (cpplib.h): Kill prototype of cpp_parse_escape.
13469 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
13471 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
13472 * unroll.c (unroll_loop): Cast return value of alloca.
13473 * i370/i370.c: Include function.h and toplev.h.
13474 (i370_label_scan): Remove c++ commented abort.
13475 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
13476 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
13477 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
13478 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
13480 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
13482 * config/t-freebsd: Do not override USER_H.
13483 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
13485 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
13486 Mumit Khan <khan@xraylith.wisc.edu>
13488 * c-parse.in (component_decl): Support anonymous struct/union.
13490 * c-parse.y: Regenerate.
13491 * c-parse.c: Likewise.
13492 * objc/objc-parse.y: Likewise.
13493 * objc/objc-parse.c: Likewise.
13494 * c-decl.c (finish_struct): Don't sort the fields.
13495 (field_decl_cmp): Delete unused function.
13497 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
13499 * sparc.md (movsf_const_intreg): Revert last constraint change.
13500 (movdf_const_intreg_sp32): Likewise.
13502 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
13504 * cse.c: Include hashtab.h instead of splay-tree.h
13505 (struct cse_reg_info): No longer use variant union. Add new
13506 field "regno". All references changed to avoid union.
13507 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
13508 (free_cse_reg_info): Remove.
13509 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
13510 (get_cse_reg_info): Revamp to use expandable hash tables instead
13511 of splay trees. Initialize new fields in cse_reg_info structure.
13512 (new_basic_block): Similarly.
13514 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
13516 * genrecog.c (message_with_line): Prototype.
13517 (validate_pattern): Pass along the set for the dest, not a flag.
13518 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
13519 Check for PC/CC0 as sources.
13520 (nodes_identical): Check for children position match before
13521 allowing the combination.
13523 * rtl.c (read_rtx): Track line number across \\\n.
13525 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
13527 * mips.h (SPECIAL_MODE_PREDICATES): New.
13528 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
13529 (movdi+1, movsi+1): Add output reload constraint.
13530 (casesi_internal): Likewise. Fix commentary.
13531 (return_internal): Use pmode_register_operand.
13533 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
13535 * 1750a.md (movstrqi): Add missing output reload constraint.
13536 (call_value): Likewise.
13537 * a29k.md (cpxxx patterns): Add missing match_operator mode.
13538 (jmpfdec): Add missing inout reload constraint.
13539 * elxsi.md (addsi patterns): Add missing output reload constraint.
13540 (move from sp): Use @ alternates.
13541 (call_value): No constraint on output.
13542 * fr30.md (movsi_pop): Add missing output reload constraint.
13543 (movsf_constant_store): Likewise.
13544 (splits): Remove constraints.
13545 (subsi3): Add missing mode.
13546 * i370.md (cmpstrsi+1): Add missing output reload constraint.
13547 (call_value): Likewise.
13548 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
13549 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
13550 * m32r.md (movsicc_internal): Add output reload constraint.
13551 (movstrsi_internal): Add inout reload constraints.
13552 * m88k.h (reg_names): Don't declare.
13553 (SPECIAL_MODE_PREDICATES): New.
13554 * m88k.md (*): Use register_operand not reg_or_0_operand
13556 * mn10200.h (PREDICATE_CODES): New.
13557 * ns32k.md (ffs pattern): Add output reload constraint.
13558 * pdp11.md (sob pattern): Add inout reload constraint.
13559 * sh.md (splits): Remove constraints.
13560 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
13561 * v850.md (pattern_is_ok_for_epilogue): Likewise.
13562 * vax.md (jgequ pattern): Add inout reload constraint.
13564 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
13566 * configure.in (djgpp): Revert previous patch.
13567 * configure: Rebuit.
13568 * config/i386/djgpp.h: Revert previous patch.
13570 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
13572 * fixinc/inclhack.def: Restore patch lost during last merge of
13573 "no_bogosity" branch.
13574 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13576 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13578 * fixincludes: Add a HPUX 11 fix for inttypes.h.
13579 * fixinc/inclhack.def: Same.
13580 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
13582 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
13584 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
13585 as the base of a PLUS.
13587 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13589 * config/c4x/c4x.md: Define mode for remaining unspec operators.
13590 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
13592 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
13594 * pa.md (post_stw+1): Use pmode_register_operand.
13595 (dcacheflush, icacheflush): Likewise.
13597 * i386.md (movstricthi_1): Allow r/r.
13599 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
13601 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
13602 to (not (and (arg0) (arg1))). Similary for and.
13604 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
13605 fallthrough to associate code.
13606 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
13609 * combine.c (simplify_logical): Convert XOR to IOR if operands have
13610 no bits in common; remove XOR to ROTATE conversion.
13612 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13614 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
13616 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13618 * config/c4x/c4x.c (dst_operand): New.
13619 (PREDICATE_CODES): Update.
13620 * config/c4x/c4x.h (dst_operand): Declare it.
13621 * config/c4x/c4x.md: Define mode for each unspec usage.
13622 (move patterns): Use dst_operand predicate instead of src_operand.
13623 (movqi_update, movqf_update): Delete.
13625 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
13627 * recog.c (pmode_register_operand): New.
13628 * recog.h: Declare it.
13629 * genrecog.c (pred_codes): Likewise.
13630 (special_mode_pred_table): Likewise.
13631 (validate_pattern): Don't warn no mode for address_operand.
13633 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
13634 if the operand is not insn-like.
13636 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
13637 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
13639 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
13641 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
13643 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
13644 instead of general_operand in a SET_DEST. Use const_double_operand
13645 instead of an explicit test against CONST_DOUBLE.
13646 (movsf_const_lo): Add missing register mode.
13647 (goto_handler_and_restore): Add auxiliary test for Pmode.
13648 (flush): Adjust to use address_operand.
13649 (return_sf_no_fpu): Add missing output constraint.
13651 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
13653 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
13654 for call return value.
13655 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
13657 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
13659 * toplev.c (main): Only warn about options for other languages.
13660 * collect2.c (main): Pass -w to sub-gcc.
13662 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
13664 * flow.c (propagate_block): Add call-clobbered registers to
13667 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
13668 zapping mem_set_list.
13669 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
13670 (mark_set_1, mark_used_regs): Likewise.
13672 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
13674 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
13676 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13678 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
13679 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
13680 options. Also add a new item "C-only Warning Options" to the
13683 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
13685 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
13686 from multiple calls.
13688 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
13690 * i386.md (call value patterns): Move to the end of the file.
13691 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
13693 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
13695 * configure.in (djgpp configuration): Define extra_objects..
13696 * configure: Rebuilt.
13697 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
13698 (DTORS_SECTION_ASM_OP): Define.
13699 (INIT_SECTION_ASM_OP): Define.
13700 (FINI_SECTION_ASM_OP): Define.
13701 (DATA_SECTION_ASM_OP): Define.
13702 (TEXT_SECTION_ASM_OP): Define.
13703 (EH_FRAME_SECTION_ASM_OP): Define.
13704 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
13705 (STARTFILE_SPEC): Add crtbegin.o.
13706 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
13707 to here from LINK_COMMAND_SPEC.
13708 (DO_GLOBAL_CTORS_BODY): Define.
13709 (CRTSTUFF_USE_FINI_SECTION): Define
13710 (HAS_INIT_SECTION): Delete.
13712 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
13714 * Makefile.in (all.cross): Depend on xcpp$(exeext).
13716 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
13718 * pa.h (PREDICATE_CODES): New.
13720 * genrecog.c (validate_pattern): Condense the destination
13721 non-lvalue message.
13723 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
13725 * alpha.md (call-1): Supply missing mode for operator.
13726 (*): Add missing output reload constraints. Remove constraints
13727 from define_splits.
13729 * i386.h (SPECIAL_MODE_PREDICATES): New.
13730 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
13731 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
13732 (addsi_lea_3): Add missing mode for op 3.
13733 (prologue_set_got, prologue_get_pc): Add missing modes.
13734 (*) Add missing output reload constraints.
13736 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
13738 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
13739 check for member bit-size overflow and use var_size if it occurs.
13740 (layout_record): Use bitsize_int() to define the type size in bits.
13741 Likewise for computation and assignment to DECL_FIELD_BITPOS.
13742 (layout_decl): Likewise when assigning to DECL_SIZE.
13744 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
13746 * genrecog.c (validate_pattern): Typo last change. Verify
13747 that output operands have output reloads.
13749 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
13751 * genrecog.c (special_mode_pred_table): New.
13752 (NUM_SPECIAL_MODE_PREDS): New.
13753 (find_operand): New.
13754 (validate_pattern): New argument `insn'. Warn for assignment to
13755 any predicate accepting non-lvalues. Conditionaly warn for
13756 match_operand without a mode. Try much harder to match source
13757 and destination modes on a set.
13758 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
13760 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
13762 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
13764 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
13766 * combine.c (simplify_logical): Recognize xor pattern that encodes
13769 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13771 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
13774 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
13776 * ggc-page.c (MAP_FAILED): Provide default.
13778 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
13780 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
13781 * sparc.h (PREDICATE_CODES): Update.
13783 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
13785 * alpha.c (some_ni_operand): New.
13786 * alpha-protos.h: Declare it.
13787 * alpha.h (PREDICATE_CODES): Update.
13788 * alpha.md (sXaddq reload insns): Use some_ni_operand
13789 for SET_DEST instead of some_operand.
13791 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
13792 Jim Wilson <wilson@cygnus.com>
13794 * genrecog.c (maybe_both_true_2): Don't compare modes of
13796 (process_tree): Elide peephole2_insns. Invoke simplify_tests
13797 after find_afterward.
13798 (debug_decision_1): Dump next and afterward codes.
13800 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
13802 * rtl.c (dump_and_abort): Remove.
13803 (fatal_with_file_and_line): New.
13804 (fatal_expected_char): New.
13805 (read_rtx_lineno, read_rtx_filename): New.
13806 (read_skip_spaces): Track line number.
13807 (read_name): Use fatal_with_file_and_line.
13808 (read_rtx): Use fatal_expected_char. Track line number.
13809 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
13811 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
13812 if it isn't a CODE_LABEL.
13814 * genattr.c (main): Set read_rtx_filename.
13815 * genattrtab.c (main): Likewise.
13816 * gencodes.c (main): Likewise.
13817 * genconfig.c (main): Likewise.
13818 * genemit.c (main): Likewise.
13819 * genextract.c (main): Likewise.
13820 * genflags.c (main): Likewise.
13821 * genopinit.c (main): Likewise.
13822 * genoutput.c (main): Likewise.
13823 * genpeep.c (main): Likewise.
13825 * genrecog.c (decision_test.u.insn): Add `lineno'.
13826 (pattern_lineno, error_count): New variables.
13827 (message_with_line): New.
13828 (add_to_sequence): Break out checking code to ...
13829 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
13830 (merge_insn): Use message_with_line.
13831 (make_insn_sequence): Use validate_pattern. Record insn lineno.
13832 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
13834 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13836 * expr.c (store_constructor): Clear union if constructor is empty.
13838 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
13840 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
13841 Add !endian checks. Change %{...} to %(...).
13843 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
13845 * i386.md (*addsi3_cc): Renamed from addcsi3.
13846 (*addsi3_carry): Renamed from addxsi3.
13847 (*subsi3_cc): Renamed from subcsi3.
13848 (*subsi3_carry): Renamed from subxsi3.
13849 (*xorqi_cc_1): Renamed from xorcqi_1.
13850 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
13851 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
13853 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
13855 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
13856 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
13858 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
13860 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
13861 climb up the chain of insns.
13863 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
13865 * genrecog.c (write_subroutine): Careful for null trees.
13866 (process_tree): Don't elide empty functions.
13868 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
13870 * Makefile.in (genrtl.o): Depend on ggc.h.
13871 * configure.in (valloc): Probe for it.
13872 (with-gc): Use ggc-page if valloc present.
13873 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
13874 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
13875 (ggc_alloc_string): Moved from ggc-page.c.
13876 * ggc-none.c (ggc_alloc_obj): New.
13877 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
13878 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
13879 (struct globals): Likewise for dev_zero_fd.
13880 (init_ggc): Likewise for it's initialization.
13881 (ggc_allocated_p): Move careful dereference from ...
13882 (ggc_lookup_page_table): ... here. Delete.
13883 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
13884 (alloc_anon): Use valloc if no mmap.
13885 (release_pages): Use free if using valloc.
13886 (ggc_alloc_obj): Renamed from alloc_obj.
13887 (ggc_set_mark): Renamed from mark_obj.
13888 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
13889 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
13890 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
13891 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
13892 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
13893 (ggc_collect): Use fp printing instead of our own rounding.
13894 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
13895 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
13896 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
13897 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
13898 (struct ggc_string, struct ggc_any): Delete.
13899 (offsetof): Provide default definition.
13900 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
13902 (struct ggc_mem): New, from corpse of ggc_any.
13903 (struct ggc_status): Delete.
13904 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
13905 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
13906 (n_strings_collected, n_anys_collected): Delete.
13907 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
13908 (ggc_alloc_string, ggc_alloc): Delete.
13909 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
13910 (ggc_free_string, ggc_free_any): Delete.
13911 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
13912 (ggc_compare_addresses, ggc_mark_string): Delete.
13913 (ggc_mark_string_if_gcable, ggc_mark): Delete.
13914 (search_data): Delete.
13915 (struct globals): New.
13916 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
13917 (tree_insert, tree_lookup): New.
13918 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
13919 (clear_marks, sweep_objs): New.
13920 (ggc_collect): Gut. Use clear_marks, sweep_objs.
13921 (init_ggc): Set allocated_last_gc.
13922 (ggc_push_context): Gut. Use G.context.
13923 (ggc_pop_context): Likewise.
13924 (ggc_pop_context_1): New.
13925 (debug_ggc_tree): New.
13926 (debug_ggc_balance, tally_leaves): New.
13927 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
13928 (ggc_mark_string_if_gcable): Remove decl.
13929 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
13930 (ggc_mark_rtvec_children): New.
13931 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
13932 (ggc_mark_if_gcable): New decl.
13933 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
13934 (ggc_alloc_tree, ggc_alloc): Likewise.
13935 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
13936 (ggc_alloc_obj): New decl.
13937 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
13938 (ggc_alloc_tree, ggc_alloc): Likewise.
13939 (ggc_set_mark): New decl.
13940 * rtl.h (struct rtx_def): Remove gc_mark.
13941 (struct rtvec_def): Likewise.
13942 * tree.h (struct tree_common): Likewise.
13944 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
13946 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
13947 float_format and thread_file definitions.
13948 * configure: Rebuilt.
13950 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
13952 * extend.texi (Function Names): Document types of function names.
13954 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13956 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
13957 an earlyclobbered output conflict with RELOAD_INPUT reloads.
13959 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13961 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
13963 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13965 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
13967 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
13969 * collect2.c (main): Do prelimnary link on AIX if rflag.
13971 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13973 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
13974 __CTOR_LIST__ in opposite order, which is the correct order for sorted
13976 (__do_global_dtors): similarly for __DTOR_LIST__.
13978 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13979 Diego Novillo <dnovillo@cygnus.com>
13981 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
13984 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
13986 * fixincl/*: Merged "no_bogosity" branch
13987 * fixincl/fixlib.h: protect against doubly defining t_bool
13988 * fixincl/server.h: protect against doubly defining t_bool
13990 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
13992 * genoutput.c: Include toplev.h.
13994 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
13996 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
13998 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
13999 * configure: Regenerate.
14001 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14003 * gcse.c (delete_null_pointer_checks): Returns void.
14005 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14007 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
14008 * emit-rtl.c (copy_insn_1): Likewise.
14010 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14012 * config/mips/mips.c (mips_build_va_list): Correct
14013 TREE_CHAIN setting when hard-float.
14014 (mips_va_start): Use corrected setting.
14015 (mips_va_arg): Likewise. Also pass a tree to build of
14016 POSTINCREMENT_EXPR rather than a naked 'int'.
14018 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
14020 * ggc.h (ggc_push_context): Fix comment.
14021 (ggc_pop_context): Likewise.
14022 (mark_string_if_gcable): Likewise.
14023 * ggc-common.c (ggc_mark_rtx_children): Use
14024 ggc_mark_string_if_gcable.
14025 * ggc-page.c (ggc_lookup_page_table): New function.
14026 (ggc_allocated_p): Likewise.
14027 (mark_obj): Fix formatting.
14028 (ggc_mark_string_if_gcable): New function.
14029 * ggc-simple.c (ggc_allocated_strings): New variable.
14030 (ggc_strings_used): Likewise.
14031 (ggc_compare_addresses): New function.
14032 (ggc_pop_context): Pop the `any' memory too.
14033 (ggc_mark_string_if_gcable): New function.
14034 (ggc_collect): Initialize and tear down ggc_allocated_strings.
14036 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
14038 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
14039 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
14040 * rs6000.c (expand_block_move): Match movstrsi_?reg register
14043 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
14045 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
14046 (sched_reg_live_length, sched_reg_basic_block): Delete.
14047 (current_block_num, bb_live_regs, old_live_regs): Delete.
14048 (dead_notes, struct sometimes): Delete.
14049 (sched_note_set, birthing_insn_p): Delete.
14050 (adjust_priority): Gut useless reg lifetime code.
14051 (create_reg_dead_note, attach_deaths): Delete.
14052 (attach_deaths_insn, new_sometimes_live): Delete.
14053 (finish_sometimes_live): Delete.
14054 (find_pre_sched_live, find_post_sched_live): Delete.
14055 (update_reg_usage): Delete.
14056 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
14057 (schedule_insns): Delete reg lifetime code.
14058 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
14059 (unlink_other_notes): Adjust REG_NOTE commentary.
14060 (reemit_notes): Use REG_SAVE_NOTE.
14061 (schedule_block): Likewise.
14062 (schedule_region): Allocate bitmap of blocks in region. Use
14063 count_or_remove_death_notes. Use update_life_info.
14065 * rtl.h (REG_SAVE_NOTE): New.
14066 * rtl.c (reg_note_name): Update.
14068 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
14070 * combine.c (refresh_blocks, need_refresh): New.
14071 (combine_instructions): Allocate refresh_blocks. Invoke
14072 update_life_info if needed.
14073 (distribute_notes): Mark refresh_blocks instead of installing
14075 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
14076 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
14078 * Makefile.in (recog.o): Depend on basic-block.h.
14080 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
14082 * genrecog.c (add_to_sequence): Thinko last change: delete
14083 shadowing allow_const_int variable.
14085 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14087 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
14088 __GNUC__ and __GNUC_MINOR__.
14090 * gansidecl.h: Likewise.
14096 * toplev.h: Likewise.
14098 * tree.c: Likewise.
14100 * tree.h: Likewise.
14102 * varray.c: Likewise.
14104 * varray.h: Likewise.
14106 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14108 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
14109 use one before a jump table.
14111 * rtl.def (ADDRESS): Change documentation to match reality.
14112 * md.texi: Don't document it.
14113 * gmicro.md (load address pattern): Use 'p' constraint, delete use
14116 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
14118 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
14120 * genrecog.c (add_to_sequence): Move allow_const_int test outside
14121 known predicate block; default allow_const_int true.
14122 (debug_decision_list): New.
14124 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
14126 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
14128 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
14130 * gcse.c (gcse_main): Avoid global optimizations if we have a
14131 large number of basic blocks and the ratio of edges to blocks
14133 (delete_null_pointer_checks): Likewise.
14135 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
14137 * c-common.c (check_format_info): Warn if format string isn't a
14140 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14142 * configure.in (arm*-*-*): Don't let autoconf remove brackets
14143 * configure: regenerate
14145 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
14147 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
14148 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
14149 (peepholes): Re-enable.
14151 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
14153 * Makefile.in (flow.o): Depend on TREE_H.
14154 * basic-block.h (REG_SET_EQUAL_P): New.
14155 (XOR_REG_SET): New.
14156 (n_edges): Declare.
14157 (free_regset_vector): Remove declaration.
14158 (flow_delete_insn_chain): Declare.
14159 (enum update_life_extent): New.
14160 (update_life_info, count_or_remove_death_notes): Declare.
14161 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
14162 Verify register live at bb->global_live_at_start before adding USE.
14163 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
14164 (CLEAN_ALLOCA): New.
14166 (PROP_*): New flags.
14167 (find_basic_blocks_1): Use alloc_EXPR_LIST.
14168 (clear_edges): Zero n_edges.
14169 (make_edge): Increment n_edges.
14170 (split_edge): Don't allocate bb->local_set. Increment n_edges.
14171 (flow_delete_insn_chain): Export.
14172 (delete_block): Decrement n_edges.
14173 (merge_blocks_nomove): Likewise.
14174 (life_analysis): Give life_analysis_1 PROP flags.
14175 (verify_wide_reg_1, verify_wide_reg): New.
14176 (verify_local_live_at_start): New.
14177 (update_life_info): Rewrite to call into propogate_block.
14179 (mark_regs_live_at_end): After reload, if epilogue as rtl,
14180 always mark stack pointer. Conditionally mark PIC register.
14181 After reload, mark call-saved registers, return regsiters.
14182 (life_analysis_1): Accept PROP flags not remove_dead_code.
14183 Call mark_regs_live_at_end before zeroing regs_ever_live.
14184 Use calculate_global_regs_live. Copy global_live_at_end before
14185 calling final propagate_block. Zero reg_next_use on exit.
14186 (calculate_global_regs_live): New.
14187 (allocate_bb_life_data): Don't allocate bb->local_set.
14188 (init_regset_vector, free_regset_vector): Remove.
14189 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
14190 Test flags before every operation. Warn if prologue/epilogue insn
14191 would have been deleted.
14192 (mark_set_regs, mark_set_1): Accept and use FLAGS.
14193 Use alloc_EXPR_LIST.
14194 (mark_used_regs): Accept and use FLAGS, not FINAL.
14195 Remove special handling for RETURN.
14196 (try_pre_increment): Use alloc_EXPR_LIST.
14197 (dump_flow_info): Dump n_edges.
14198 (unlink_insn_chain, split_hard_reg_notes): Remove.
14199 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
14200 (find_insn_with_note, new_insn_dead_notes): Remove.
14201 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
14202 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
14203 (replace_insns): Remove.
14204 (count_or_remove_death_notes): New.
14205 (verify_flow_info): Abort on error after all checks.
14206 (remove_edge): Decrement n_edges.
14207 (remove_fake_edges): Tweek format.
14208 * haifa-sched.c (schedule_insns): Use split_all_insns.
14209 * output.h (update_life_info): Remove declaration.
14210 * recog.c (split_all_insns): From the corpse of split_block_insns,
14211 do the whole function block by block. Use update_life_info.
14212 (recog_last_allowed_insn): New.
14213 (recog_next_insn): Mind it.
14214 (peephole2_optimize): Set it. Walk backwards through blocks.
14215 Use update_life_info.
14216 * rtl.h (update_flow_info, replace_insns): Remove declarations.
14217 (split_all_insns): Declare.
14218 * toplev.c (rest_of_compilation): Thread prologue before flow2.
14219 Use split_all_insns.
14221 * i386.md (or -1 peep2s): Disable.
14223 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
14225 * config/mips/mips.md (movstrsi+[123]) : Combine these into
14226 a single pattern. Scrap the 'd' versions as unnecessary.
14228 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
14229 tablejump_mips162,tablejump_internal4): The operands to a
14230 label_ref must be VOIDmode.
14232 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14234 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
14236 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14238 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
14240 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14242 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
14243 cache every function if ggc_p.
14245 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14247 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
14248 instead of copy_rtx. Accept sequences that contain asm statements.
14249 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
14250 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
14251 orig_asm_operands_vector, copy_asm_operands_vector,
14252 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
14254 * rtl.h (copy_insn, copy_insn_1): Declare.
14256 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14258 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
14260 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
14261 arguments to `current_file_function_operand'.
14263 * genrecog.c: Include hard-reg-set.h and resource.h in the
14264 generated output file.
14266 * real.c: Include tm_p.h.
14268 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14270 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
14273 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
14275 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
14276 before the fctiwz insn.
14278 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14279 Mark Mitchell <mark@codesourcery.com>
14281 * tree.c (make_lang_type_fn): New funtion pointer.
14282 (make_lang_type): Call it.
14283 * tree.h (make_lang_type): Declare.
14284 (make_lang_type_fn): Likewise.
14285 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
14287 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
14289 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
14290 make sure that HIGH instructions are copied into BASE_REGS.
14292 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
14294 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
14296 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
14298 * c-decl.c (finish_struct): Use simpler method of
14299 removing elements of a singly-linked list.
14301 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
14303 * alpha.md (peephole2's): Comment out peephole2's that generate
14306 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
14308 * genrecog.c (add_to_sequence): Disable mode check for
14311 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14313 * ggc-simple.c (init_ggc): Set empty_string.
14315 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
14317 * configure.in: Detect mmap. Add --with-gc=foo to select
14318 garbage collector; default to page if mmap available.
14319 * Makefile.in (GGC): Substitute.
14321 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
14323 * c-decl.c (ggc_p): Enable.
14325 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14327 * flow.c (verify_flow_info): Make it extern & unconditionally define.
14329 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
14331 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
14332 string for little-endian-data.
14334 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
14336 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
14337 case somebody tries to compile --enable-checking code with gcc
14340 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
14342 * genrecog.c (add_to_sequence): Verify operand to label_ref is
14345 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
14347 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
14348 * jump.c (jump_optimize_1): Document why.
14350 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14352 * collect2.c (scan_prog_file, scan_libraries): Prototype function
14353 pointers and casts for `int_handler' and `quit_handler'.
14355 * flow.c (verify_flow_info, split_hard_reg_notes,
14356 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
14357 remove_edge, remove_fake_successors): Add static prototypes.
14358 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
14359 (mark_set_1): Initialize variable `regno'.
14360 (unlink_insn_chain): Likewise for variable `curr'.
14361 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
14363 * loop.c (strength_reduce): Initialize variable
14364 `unrolled_insn_copies'.
14365 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
14366 prototypes. Change these functions to take const PTR parameters
14367 to avoid prototype conflict when used as the comparson argument
14369 (check_dbra_loop): Initialize variable `comparison_val'.
14371 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
14372 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
14373 (find_valid_class): Initialize variable `best_class'.
14374 (find_reloads): Call memcpy, not bcopy.
14376 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
14377 (hard_reg_use_compare): Don't needlessly cast away const.
14378 (reload_reg_class_lower): Likewise.
14379 (choose_reload_regs): Initialize variable `regno'.
14381 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
14383 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
14385 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
14387 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
14388 ({,d}discard): Add forward declarations. Declare parameter as
14390 (main_without_main): Explicitly declare return type to be int.
14391 (memcpy): Properly declare.
14393 * libgcc2.c (toplevel): If inhibit_libc is defined and not
14394 building the trampoline support, declare malloc, free, and
14396 (__clear_cache): Mark arguments as potentially unused.
14398 * frame.c (toplevel): If inhibit_libc is defined, declare
14401 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
14403 * flow.c (make_edge): Accept an optional 2D bitmap in which
14404 to cache edge existence. Update all callers.
14405 (make_label_edge, make_eh_edge): Pass through the edge cache.
14406 (make_edges): Provide the cache.
14408 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14410 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
14412 (local_mbtowc): Change the type of variable `i' from int to size_t.
14414 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
14415 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
14417 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
14419 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
14420 after other includes that define the appropriate types. Include
14421 tm_p.h for getting user prototypes.
14422 * ggc-callbacks.c (toplevel): Ditto.
14423 * ggc-none.c (toplevel): Ditto.
14424 * gcc-page.c (toplevel): Ditto.
14425 * ggc-simple.c (toplevel): Ditto.
14427 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
14428 Jonathan Larmour <jlarmour@cygnus.co.uk>
14430 * config/mips/mips.c (mips_move_2words): Split doubles if
14431 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
14433 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
14435 * genrecog.c (struct decision_test): New.
14436 (struct decision): Remove test-related members, sort the rest by size.
14437 (IS_SPLIT): Simplify.
14438 (new_decision, new_decision_test): New.
14439 (add_to_sequence): Use them. No special handling for args of
14441 (maybe_both_true): Renamed from not_both_true; return sense changed.
14442 (maybe_both_true_1, maybe_both_true_2): New. Broken out
14443 of maybe_both_true and adjusted for decision_test.
14444 (position_merit): Remove.
14445 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
14446 (merge_accept_insn): New, broken out of merge_trees.
14447 (merge_trees): Use them. No special case for c_test; no node
14448 splitting; use test type instead of position_merit.
14449 (factor_tests): New.
14450 (simplify_tests): New.
14451 (break_out_subroutines): Don't write code now.
14452 (find_afterward): New.
14453 (write_afterward, write_switch, write_cond): New.
14454 (write_action, is_unconditional): New.
14455 (write_node): New. Use them.
14456 (write_tree_1): Rewrite. Use the new functions above.
14457 (write_tree): Remove afterward processing.
14458 (write_subroutine): Simplify function variant emission.
14459 (write_subroutines): New.
14460 (same_codes, clear_codes): Remove.
14461 (same_modes, clear_modes): Remove.
14462 (write_header): New, broken out of main.
14463 (make_insn_sequence): Use new_decision and new_decision_test.
14464 (process_tree): New, broken out of main.
14465 (main): Adjust for merge_trees interface change.
14466 Don't #define operands in the output file.
14467 (record_insn_name): New, broken out of make_insn_sequence.
14468 (debug_decision_2, debug_decision_1, debug_decision_0): New.
14469 (debug_decision): New.
14471 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
14473 * resource.c (find_free_register): Mark class_str argument const.
14474 * resource.h: Update prototype to match.
14476 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
14477 * i386.md: Give all anonymous insns names.
14479 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
14481 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
14484 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
14486 * toplev.c (dbr_sched_time): Unconditional.
14487 (peephole2_time): New.
14488 (compile_file): Add pass numbers to all of the dump file suffixes.
14489 Dump peephole2_time. Don't dump times for non-applicable passes.
14490 (rest_of_compilation): Add pass numbers to dump file suffixes.
14491 Conditionalize calls to the scheduler.
14492 * invoke.texi: Update.
14494 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
14496 * flow.c (make_edges): Fix insn iteration.
14497 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
14498 (find_basic_blocks_1): Fix spelling mistake.
14500 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
14502 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
14503 always have side-effects. Use memset not bzero.
14504 (make_node): Likewise.
14506 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
14508 * stmt.c (expand_anon_union_decl): When any of the elements of the
14509 union is addressable, so is the entire union.
14511 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
14513 * sbitmap.c (sbitmap_ones): Don't set too many bits.
14515 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
14516 * bitmap.c (bitmap_operation): Return true iff TO changed.
14517 (bitmap_equal_p): New.
14518 (bitmap_bit_p): Tidy arithmetic.
14519 (debug_bitmap_file): Likewise.
14521 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
14523 * toplev.c (rest_of_compilation): Turn on cse_not_expected
14524 before cse2 instead of after.
14526 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
14528 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
14531 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14533 * cppinit.c (is_idchar initializer): Loosen tests to accept
14536 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
14538 * mips.md: Define conditional move patterns for floating point
14539 operands and DI mode conditions.
14541 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
14543 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
14544 always have side-effects.
14546 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
14548 * mn10200.c (asm_file_start): Fix typo.
14550 * cppinit.c (is_idchar initializer): Tighten tests for when
14551 to put the table into initialized memory.
14553 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
14554 not an array of rtunion.
14555 * gcc-page.c (ggc_alloc_rtvec): Similarly.
14556 * gcc-simple (ggc_free_rtvec): Similarly.
14558 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
14561 * mbchar.h: Add missing #endif.
14563 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
14564 (FPBIT, DPBIT): Define.
14566 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14568 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
14570 * profile.c (instrument_arcs, output_gcov_string,
14571 tablejump_entry_p): Add static prototypes.
14572 (output_gcov_string): Constify a char*.
14574 * regmove.c (replacement_quality, fixup_match_2): Add static
14577 * resource.h (reg_dead_p): Add extern prototype.
14579 * rtl.c (trim_filename): Add static prototype.
14581 * scan-decls.c (skip_to_closing_brace): Likewise.
14583 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
14584 (expand_end_case): Initialize variable `range'.
14585 (emit_case_nodes): Remove unused prototype `rtx_fn'.
14587 * varasm.c (asm_emit_uninitialised): Add static prototype.
14588 (asm_emit_uninitialised, assemble_variable): Mark parameter with
14591 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14593 * cpplib.c (if_directive_nameo): Add static prototype.
14595 * cse.c (cse_insn): Remove unused variable `p'.
14597 * except.c (create_rethrow_ref, push_entry,
14598 receive_exception_label, new_eh_region_entry, find_func_region,
14599 clear_function_eh_region, process_nestinfo): Add static prototypes.
14600 (get_reg_for_handler): Hide definition.
14601 (process_nestinfo): Initialize variable `extra_handlers'.
14603 * expr.h (expand_builtin_longjmp): Add extern prototype.
14605 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
14607 * function.c (prepare_function_start): Likewise.
14608 (pop_function_context_from): Mark parameter `context' with
14610 (push_temp_slots_for_block, flush_addressof): Hide definition.
14612 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
14613 solve_program_flow_graph, calculate_branch_probs,
14614 function_summary, main, fancy_abort): Add prototypes.
14616 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
14617 (add_hash): Constify a char*.
14619 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
14620 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
14621 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
14623 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
14625 * lists.c (free_list, zap_lists): Likewise.
14627 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14629 * alias.c (nonlocal_reference_p): Add static prototype.
14631 * bitmap.c (bitmap_element_allocate): Prototype args in function
14634 * builtins.c (stabilize_va_list): Add static prototype.
14635 (expand_builtin_va_arg): Constify a char*.
14637 * c-lex.c (getch, put_back, extend_token_buffer_to,
14638 read_line_number, token_getch, token_put_back): Add static
14641 * c-parse.gperf (hash, is_reserved_word): Likewise.
14643 * cccp.c (is_dir_separator): Likewise.
14645 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14647 * graph.h: New file to prototype functions exported by graph.c.
14649 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
14651 * graph.c: Include graph.h.
14653 * toplev.c: Likewise. Remove redundant prototypes.
14655 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
14657 * invoke.texi: Removed duplicated description for -Q.
14659 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
14661 * extend.texi: Grammar fix in __extension__ text.
14663 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
14665 * md.texi (define_peephole2): New section.
14667 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
14669 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
14670 (mov $-1 to or peepholer): Enable for pentium when optimizing for
14673 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
14675 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
14677 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
14679 * i386.md (ffs expander): Emit Pentium friendly code for
14682 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
14684 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
14686 (build1): Likewise.
14688 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14690 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
14692 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
14694 * config/m68k/m68k.c (use_return_insn): Return false if the pic
14695 register is in use.
14697 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14699 * md.texi (No Constraints): Delete section.
14700 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
14701 * final.c (final_scan_insn): We always have register constraints.
14702 * genattrtab.c: Don't include "insn-config.h".
14703 (write_attr_case): We always have register constraints.
14704 * genconfig.c (register_constraint_flag): Delete.
14705 (walk_insn_part): Don't check whether we have register constraints.
14706 (main): Don't write out "#define REGISTER_CONSTRAINTS".
14707 * genoutput.c (have_constraints): Delete.
14708 (main): Don't set it.
14709 (output_operand_data): We always have constraints.
14710 (scan_operands): Likewise.
14711 (compare_operands): Likewise.
14712 * local-alloc.c (block_alloc): We always have constraints.
14713 (requires_inout): Always compile this function.
14714 * recog.c (extract_insn): We always have constraints.
14715 (constrain_operands, reg_fits_class_p): Always compile these
14717 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
14719 (struct insn_operand_data): Likewise.
14720 * regclass.c (regclass): We always have constraints.
14721 (record_reg_classes, copy_cost, record_address_regs,
14722 auto_inc_dec_reg_p): Always compile these functions.
14723 * regmove.c (regmove_optimize): We always have constraints.
14724 * reload.c (find_reloads): Likewise.
14725 * reload1.c (reload): Likewise.
14726 (reload_cse_simplify_operands): Likewise.
14727 * i860.c (output_delay_insn): Likewise.
14729 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
14731 * iris6.h (BUILD_VA_LIST_TYPE): Define.
14733 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14735 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
14736 for the va_list record.
14738 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
14740 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
14743 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
14745 * alias.c: Include insn-flags.h.
14746 * Makefile.in (alias.o): Update.
14748 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
14750 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
14751 to LTU and GEU. Handle more cases using sbb.
14753 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
14755 * i386.md (truncatexfdf splitters): Do not use subreg.
14756 (fop XFmode patterns): Fix mode in operand testing.
14758 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
14760 * jump.c (jump_optimize_1): Amend last change to test only the
14761 form of the operand, not the insn.
14763 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
14764 not register_operand to determine when B may need preloading.
14766 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
14768 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
14769 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
14770 (call-value patterns): Move to end of file.
14771 (*): Remove mode from label_ref in (pc) context.
14772 (movstrqi): Use memory not general_operand for BLKmode operands.
14773 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
14774 to register_operand operands.
14775 (peep2 patterns): Convert from commented-out peephole patterns.
14777 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14779 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
14780 to BUILT_IN_INIT_DWARF_REG_SIZES.
14781 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
14782 Renamed from BUILT_IN_DWARF_REG_SIZE; call
14783 expand_builtin_init_dwarf_reg_sizes.
14784 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
14785 with __builtin_init_dwarf_reg_size_table.
14786 * dwarf2out.c (struct reg_size_range): Delete.
14787 (expand_builtin_init_dwarf_reg_sizes): New function.
14788 (expand_builtin_dwarf_reg_size): Delete.
14789 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
14790 (expand_builtin_dwarf_reg_size): Don't declare.
14791 * libgcc2.c (dwarf_reg_size_table_initialized): New.
14792 (dwarf_reg_size_table): New.
14793 (init_reg_size_table): New function.
14794 (copy_reg): Use dwarf_reg_size_table.
14795 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
14798 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
14800 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
14801 Correctly build argument list to constructor and destructor functions.
14803 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
14805 * c-tree.h (warn_float_equal): Declare.
14806 * c-decl.c (warn_float_equal): Define.
14807 (c_decode_option): Recognize -W[no-]float-equal.
14808 * c-typeck.c (build_binary_op): Conditionally warn
14809 about equality tests of floating point types.
14810 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
14811 * invoke.texi: Add docs for -Wfloat-equal warning.
14813 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
14815 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
14816 generating RTL directly.
14817 * mips.h (INIT_TARGET_OPTABS): Likewise.
14818 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
14820 * expr.h (init_mov_optab): Delete declaration
14822 * h8300.c (WORD_REG_USED): Update to avoid useless register
14823 saves in interrupt functions and functions which never return.
14825 * cse.c (struct set): Delete inner_dest_loc field.
14826 (cse_insn): Remove assignments to inner_dest_loc field.
14828 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
14830 * ggc-page.c: Don't include <unistd.h> etc taken care of
14831 by "system.h". Include <sys/mman.h> afterward.
14833 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
14835 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
14838 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
14840 * xcoffout.c (xcoffout_declare_function): Add documentation.
14841 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
14842 TARGET_64BIT. Compare constant to -1, not bit pattern.
14843 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
14844 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
14847 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
14849 * dwarf2out.c (add_abstract_origin_attribute): Abort if
14850 origin_die is NULL.
14851 (gen_inlined_enumeration_type_die): Do not abort if the type has
14852 not been writeen out.
14853 (gen_inlined_structure_type_die): Do not abort if the type has
14854 not been writeen out.
14855 (gen_inlined_union_type_die): Do not abort if the type has
14856 not been writeen out.
14857 (gen_tagged_type_instantiation_die): Do not abort if the type
14858 has not been written out.
14860 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14862 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
14864 * reg-stack.c (straighten_stack): Copy hard reg set with
14867 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
14869 * builtins.c (stabilize_va_list): Stabilize array type va_list
14870 to a pointer type, not the base record type.
14871 (expand_builtin_va_copy): Dereference the pointers explicitly;
14872 use the correct size for the copy.
14874 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
14875 (rs6000_va_arg): Likewise.
14877 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
14879 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
14881 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
14883 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
14885 (DECL_BUILT_IN_CLASS): Adjust accordingly.
14887 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
14889 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
14890 (init_ggc): Use it instead of a constant.
14891 (ggc_collect): Bound allocated_last_gc by it.
14893 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
14895 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
14898 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
14900 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
14901 (mips*-*-openbsd*): Let big endian configuration be a fragment.
14902 * configure: Regen.
14903 * config/mips/openbsd.h: New, OpenBSD little endian target.
14904 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
14905 * config/mips/xm-openbsd.h: New, OpenBSD host.
14907 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
14909 * config/m68k/m68k.c (output_function_prologue,
14910 output_function_epilogue): Use
14911 current_function_uses_pic_offset_table instead of regs_ever_live
14912 to decide whether to save/restore pic register.
14913 (legitimize_pic_address): Don't modify regs_ever_live any more.
14915 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
14917 * function.h (struct function): Add x_dont_save_pending_sizes_p.
14918 * stor-layout.c (variable_size): Don't add sizes to the pending
14919 sizes list if x_dont_save_pending_sizes_p is set.
14921 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
14923 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
14924 for symbolic_operand().
14925 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
14927 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14929 * combine.c (gen_rtx_combine): Add missing call to va_end().
14931 * final.c (asm_fprintf): Likewise.
14933 * genattrtab.c (attr_rtx): Likewise.
14935 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
14937 * cse.c: Update comments.
14938 (cse_insn): When converting a conditional/computed jump into
14939 an unconditional jump, always make sure a BARRIER immediately
14940 follows the converted jump. Do not delete unreachable code.
14941 (cse_basic_block): Do not delete unreachable code.
14942 * toplev.c (rest_of_compilation): Move call to
14943 delete_trivially_dead_insns after the conditional call to
14946 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14948 * collect2.c (make_temp_file): Don't prototype.
14950 * gcc.c (make_temp_file): Likewise.
14952 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
14954 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
14956 * varasm.c (asm_emit_uninitialised): New function: Generate
14957 the assembler statements necessary to declare an uninitialised
14959 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
14961 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
14962 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
14964 (assemble_variable): Use asm_emit_uninitialised to emit an
14965 uninitialised variable.
14967 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
14969 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
14970 constant on a 64 bit host. Patch supplied by Geoffrey Keating
14971 <geoffk@cygnus.com>.
14973 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14975 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
14976 * c-common.h (builtin_function): Don't declare.
14978 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
14980 (pushdecl): Likewise.
14981 (finish_decl): Likewise.
14982 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
14983 int. All callers changed.
14984 Set the builtin's DECL_BUILT_IN_CLASS.
14985 * tree.h (enum built_in_class): New.
14986 (enum built_in_function): Delete NOT_BUILT_IN.
14987 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
14989 (DECL_SET_FUNCTION_CODE): Likewise.
14990 (DECL_BUILT_IN_CLASS): New macro.
14991 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
14992 (struct tree_decl): Split builtin function code field into a
14994 (builtin_function): Declare.
14996 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
14998 * optabs.c (init_traps): Fix typo in last change.
15000 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
15002 * toplev.c (rest_of_decl_compilation): Update comment.
15004 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15006 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
15007 in .sbss if appropriate.
15008 (EXTRA_SECTION_FUNCTIONS): Add sbss.
15009 (SBSS_SECTION_ASM_OP): New macro.
15010 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
15011 (EXTRA_SECTIONS): Add in_sbss.
15012 * config/mips/mips.h: Prototype sbss_section.
15014 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
15016 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
15019 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
15021 * optabs.c (init_traps): Register trap_rtx as a GC root.
15023 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15025 * config/mips/mips.c (function_arg_pass_by_reference): Define
15026 unconditionally, since it's called unconditionally.
15028 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15030 * toplev.c (documented_lang_options): Add -fshort-wchar.
15031 * c-decl.c (c_decode_option): Likewise.
15032 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
15034 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
15035 * gcc.c (default_compilers): If -fshort-wchar,
15036 override __WCHAR_TYPE__.
15037 * tm.texi (C Dialect Options): Add -fshort-wchar.
15039 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
15040 symbol for a variable.
15042 * cpplib.h (CPP_PREPROCESSED): New macro.
15043 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
15044 we're seeing this input for a second time.
15046 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
15048 * emit-rtl.c (init_emit_once): Initialize modes first.
15050 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
15052 * config/i386/i386.c (pic_label_name): Change to char pointer.
15053 (global_offset_table): New variable.
15054 (load_pic_register): Fill global_offset_table if it hasn't
15055 already been done. Allocate pic_label_name dynamically.
15056 * ggc.h (empty_string): New variable.
15057 * ggc-simple.c (empty_string): Likewise.
15058 (init_ggc): Allocate empty_string and add as root.
15059 * stmt.c (digit_strings): New variable.
15060 (init_stmt): Add last_block_end_note as root. Allocate and
15061 initialize digit_strings.
15062 (expand_asm_operands): Use empty_string instead of string
15063 constant. Use digit_strings instead of string constants.
15064 * profile.c (init_arc_profiler): Allocate string with
15065 ggc_alloc_string instead of xmalloc.
15066 (output_func_start_profiler): Likewise.
15067 * c-typeck.c (digest_init): Check if init is error_mark_node.
15069 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
15070 Richard Henderson <rth@cygnus.com>
15072 * ggc-page.c: New file.
15073 * Makefile.in (ggc-page.o): New.
15075 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
15077 * invoke.texi: Document -fdelete-null-pointer-checks
15078 * toplev.c (flag_delete_null_pointer_checks): New.
15079 (f_options): Add entry for -fdelete-null-pointer-checks.
15080 (rest_of_compilation): Conditionalize null pointer check
15081 elimination on flag_delete_null_pointer_checks.
15082 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
15084 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
15086 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
15087 copyright notice and special exception to GPL.
15089 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15091 * abi64.h (mips_function_value): Add prototype arguments.
15093 * mips-protos.h: New file with mips prototypes.
15095 * mips.c: Include "tm_p.h".
15096 (mktemp, lookup_name): Add prototype arguments.
15097 (extern_list, string_constant, mips_fill_delay_slot,
15098 mips_output_external, mips_output_external_libcall,
15099 mips_output_filename, mips_declare_object, function_prologue,
15100 mips_expand_prologue, function_epilogue, mips16_constant,
15101 build_mips16_function_stub, mips_output_conditional_branch):
15103 (mips_va_start): Remove unused variable `u'.
15104 (mips_va_arg): Cast value to unsigned when comparing against one.
15106 (save_restore_insns, mips_expand_prologue): Add missing arg in
15107 call to `large_int'.
15109 * mips.h: Move prototypes to mips-protos.h.
15110 (data_section, memory_address_p, rdata_section,
15111 readonly_data_section, simple_epilogue_p, text_section): Delete
15112 prototypes delcared elsewhere.
15113 (mips_epilogue_delay_slots, print_options): Delete unused decls.
15115 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
15117 * mips.md: Delete extra args in call to `mips_move_2words'.
15119 * xm-iris6.h (alloca): Add prototype argument.
15121 * genpeep.c: Include "tm_p.h" in generated output file.
15123 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15125 * basic-block.h (find_edge_index): Change parameters.
15126 * flow.c (verify_edge_list): Pass basic_block parameters to
15127 find_edge_index instead of integers.
15129 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
15131 * combine.c (simplify_comparison): Use an unsigned shift to adjust
15134 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
15136 * gcc.1: Fix a formatting error.
15138 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15140 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
15141 i786, mn10200, mn10300, pdp11, v850.
15143 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
15145 * libgcc2.c (num_digits): Add prototype with
15146 __attribute__((const)).
15147 (__terminate): Add prototype.
15149 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
15151 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
15153 * alpha/alpha.c (print_operand): Fix type of `code'.
15154 (alpha_output_filename): Constify.
15155 * alpha/alpha.h: Move all function declarations ...
15156 * alpha/alpha-protos.h: ... here. New file.
15157 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
15158 (SECTION_FUNCTION_TEMPLATE): Likewise.
15160 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15162 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
15163 * expr.c (expand_expr): Likewise.
15164 (do_jump): Likewise.
15165 (do_store_flag): Pass ccp_store_flag to can_compare_p.
15166 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
15168 (enum can_compare_purpose): New.
15169 (can_compare_p): Adjust prototype.
15170 (prepare_cmp_insn, prepare_operand): Declare.
15171 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
15172 * optabs.c (cmp_available_p): Deleted.
15173 (expand_abs): Pass ccp_jump to can_compare_p.
15174 (can_compare_p): New arg PURPOSE. Check for combined optabs.
15175 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
15176 Call can_compare_p rather than cmp_available_p.
15177 (prepare_operand): No longer static.
15178 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
15179 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
15180 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
15181 sequence to use emit_cmp_and_jump_insns.
15182 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
15184 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
15186 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
15187 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
15188 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
15189 (plus (reg) (const_int 0))
15190 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
15192 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
15194 * rs6000.c (expand_block_move): DImode loads and stores require
15195 word-aligned displacements. Increment address registers with
15196 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
15198 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
15200 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
15201 is no name for the base type, rather than segfault. If we are
15202 writing out a complex integer type, use DW_ATE_lo_user.
15204 * expr.c (emit_move_insn_1): If we are copying a complex that fits
15205 in one word or less (complex char, complex short, or on 64 bit
15206 systems complex float) to/from a hard register, copy it through
15207 memory instead of dying in gen_{real,imag}part. If we have a
15208 short complex type, prevent inlining since it allocates stack
15211 * tree.c (build_complex_type): If we are writing dwarf2 output,
15212 generate a name for complex integer types.
15214 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15216 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
15217 * flow.c (remove_edge): Remove extra whitespace.
15218 (remove_fake_edges): Fix comment.
15219 (add_noreturn_fake_exit_edges): Use the correct name.
15221 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
15223 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
15224 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
15225 (clean): Depend on INTL_CLEAN.
15226 (maintainer-clean): Adjust.
15228 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15230 * configure.in (AC_PREREQ): Bump to 2.13.
15231 (AC_C_STRINGIZE): Call this instead of using a custom macro.
15233 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
15235 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
15237 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
15239 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
15240 (HAVE_STRINGIZE): Define.
15242 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
15244 * c-parse.in: save and restore warn_pointer_arith on __extension__
15245 along with pedantic.
15246 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
15247 Set the type of extension to itype rather than $<itype>1 kludge.
15248 * extend.texi (Alternate Keywords): Adjust documentation.
15249 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
15251 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
15253 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
15254 most assembler templates.
15256 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
15257 FP loads and stores.
15258 (following_call): Always return zero for the PA8000.
15259 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
15260 FP loads and stores.
15261 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
15263 * pa.h (BRANCH_COST): Define.
15265 * pa.md (return, return_internal): Use bve for PA2.0.
15267 * pa.md (fused multiply): Add variants which reduce height for the
15268 fused multiply, but which still generate 2 insns.
15269 (fnegabs): Similarly.
15271 * pa.md (subsi3): Turn into an expander. Create two anonymous
15272 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
15273 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
15275 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
15277 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
15279 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
15280 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
15282 * regclass.c (init_regs): Add "top_of_stack" as a garbage
15285 * flow.c (record_active_eh_regions): Terminate loop after finding
15286 the last insn in the last basic block.
15288 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15290 * config/c4x/c4x.md: Delete parallel instruction peepholes.
15292 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15294 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
15296 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15298 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
15299 splitting to not use output template.
15301 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15303 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
15304 * config/c4x/c4x.c (c4x_va_start): New function.
15306 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
15308 * genrecog.c (not_both_true): Handle correctly cases when called for
15309 tests with different positions in the insn.
15311 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15313 * machmode.h (HOST_PTR_PRINTF): Move from here ...
15315 * system.h (HOST_PTR_PRINTF): ... to here.
15317 * mips-tfile.c: Don't include machmode.h.
15319 * Makefile.in (MACHMODE_H): New variable. Update to use it.
15320 (mips-tfile.o): Don't depend on machmode.h.
15322 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15324 * haifa-sched.c (sched_analyze): Rename local variable `region' to
15325 avoid conflicts with typedef struct `region' at the top level scope.
15327 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
15329 * basic-block.h (basic_block): Add eh_beg, eh_end.
15330 * flow.c (entry_exit_blocks): Update.
15331 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
15332 Call new functions.
15333 (find_basic_blocks_1): Don't record eh_list at each bb. Use
15334 lists.c functions to allocate insn lists.
15335 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
15337 (make_eh_edge): ... here. New.
15338 (move_stray_eh_region_notes): New.
15339 (record_active_eh_regions): New.
15340 (delete_unreachable_blocks): Split out block merging ...
15341 (try_merge_blocks): ... here. New.
15342 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
15343 Dump debugging data.
15344 (merge_blocks_move_successor_nojumps): Likewise.
15345 (merge_blocks): Use eh_beg+eh_end to validate block movement.
15347 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15349 * extend.texi (Bound member functions): Document unbound pmf
15352 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15354 * flow.c (split_edge): Handle insertion on a fallthrough edge which
15355 has the EXIT_BLOCK as a dest.
15357 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15359 * flow.c (remove_edge): New function to remove an edge from the
15361 (remove_fake_successors): New function to remove fake successor edges.
15362 (remove_fake_edges): New function to remove all fake edges from the
15364 (add_fake_exit_edges): New function to add fake edges from all blocks
15365 with no successors to the exit block.
15366 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
15367 prototypes for new functions.
15369 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15371 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
15372 Use Pmode to determine whether to output .dword or .word.
15374 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
15376 * tree.c (built_in_filename): New variable.
15377 (BUILT_IN_FILENAME): New macro.
15378 (init_tree_codes): Allocate built_in_filename.
15379 (make_node): Use built_in_filename instead of string constant.
15381 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
15383 * configure.in: Add fr30 target.
15384 * configure: Regenerate.
15385 * config/fr30: New directory.
15386 * config/fr30/crti.asm: New file.
15387 * config/fr30/fr30.c: New file.
15388 * config/fr30/crtn.asm: New file.
15389 * config/fr30/fr30.h: New file.
15390 * config/fr30/fr30.md: New file.
15391 * config/fr30/lib1funcs.asm: New file.
15392 * config/fr30/t-fr30: New file.
15393 * config/fr30/xm-fr30.h: New file.
15395 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
15397 * flow.c (merge_blocks_move_successor_nojumps): Delete the
15398 BARRIER at the end of the successor, not the BARRIER before
15401 * pa.c (pa_add_gc_roots): Fix thinko in last change.
15403 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
15405 * stmt.c (any_pending_cleanups): Don't crash when
15406 current_function->stmt is unset.
15408 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15410 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
15411 other initializations that may use it for relative offsets.
15413 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15415 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
15416 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
15417 * config/i386/sol2dbg.h: Removed.
15418 * config/i386/sol2gas.h: New file, to enable gas work-around.
15419 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
15420 Don't use sol2dbg.h.
15421 * configure: Rebuilt.
15423 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
15425 * invoke.texi (-fthis-is-variable): Remove documentation.
15427 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
15429 * basic-block.h (compute_bb_for_insn): Declare.
15430 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
15431 to use; set size of basic_block_for_insn directly.
15432 (find_basic_blocks): Update.
15434 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15436 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
15438 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15440 * crtstuff.c (ON_EXIT): Delete empty macro definition.
15441 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
15443 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
15445 * c-decl.c (c_decode_option): Extend comment.
15447 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
15449 * toplev.c (progname): Make 'const char *'
15450 (flag_print_mem): Move out of main.
15451 (version_flag): Move out of main.
15452 (filename): Move out of main.
15453 (debug_args): Remove g prefix from options.
15454 (documented_lang_options): Remove cpplib specific options.
15455 (display_help): Add g prefix to debug options.
15456 (check_lang_option): Delete this function.
15457 (decode_d_option): New function: Decode -d... option.
15458 (decode_f_option): New function: Decode -f... option.
15459 (decode_W_option): New function: Decode -W... option.
15460 (decode_g_option): New function: Decode -g... option.
15461 (independent_decode_option): New function: Decode a language
15462 independent command line option.
15463 (main): Invoke lang_decode_option and then
15464 independent_decode_option on each command line option in
15467 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
15469 Revert this change. Gavin's patch to operand_equal_p is a better fix.
15470 * fold-const.c (fold_range_test): Do not try to fold the range
15471 test if the rhs or lhs has side effects.
15473 * basic-block.h (compute_flow_dominators): Declare.
15475 * gcse.c (alloc_code_hoist_mem): New function.
15476 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
15477 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
15478 (hoist_code, one_code_hoisting_pass): Likewise.
15479 (gcse_main): If optimizing for size, then hoist expressions
15480 computed in multiple dominated basic blocks.
15482 * gcse.c (invalid_nonnull_info): New function.
15483 (delete_null_pointer_checks): Likewise.
15484 * rtl.h (delete_null_pointer_checks): Declare.
15485 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
15487 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
15488 (merge-blocks_move_successor_nojumps): Likewise.
15489 (merge_blocks): Allow merging of some blocks, even if it requires
15490 physical movement of the blocks, but not if it requires new jumps.
15492 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
15493 Callers and prototype changed.
15494 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
15496 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15498 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
15499 -YP when both -p and -pg are present. From i386/sol2.h.
15501 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15503 * Makefile.in (distclean): Delete tm_p.h.
15504 * configure.in: Create a new file, "tm_p.h", from a list in
15505 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
15506 "i386/i386-protos.h".
15508 * alias.c: Include "tm_p.h".
15509 * c-typeck.c: Likewise.
15510 * calls.c: Likewise.
15512 * emit-rtl.c: Likewise.
15513 * explow.c: Likewise.
15514 * expmed.c: Likewise.
15515 * expr.c: Likewise.
15516 * final.c: Likewise.
15517 * flow.c: Likewise.
15518 * fold-const.c: Likewise.
15519 * function.c: Likewise.
15520 * gcse.c: Likewise.
15521 * global.c: Likewise.
15522 * haifa-sched.c: Likewise.
15523 * integrate.c: Likewise.
15524 * jump.c: Likewise.
15525 * local-alloc.c: Likewise.
15526 * loop.c: Likewise.
15527 * optabs.c: Likewise.
15528 * recog.c: Likewise.
15529 * reg-stack.c: Likewise.
15530 * regclass.c: Likewise.
15531 * regmove.c: Likewise.
15532 * reload.c: Likewise.
15533 * reload1.c: Likewise.
15534 * reorg.c: Likewise.
15535 * resource.c: Likewise.
15536 * stmt.c: Likewise.
15537 * stor-layout.c: Likewise.
15538 * toplev.c: Likewise.
15539 * tree.c: Likewise.
15540 * unroll.c: Likewise.
15541 * genattrtab.c (main): Make generated file include "tm_p.h".
15542 * genemit.c (main): Likewise.
15543 * genoutput.c (main): Likewise.
15544 * genrecog.c (main): Likewise.
15546 * i386.h: Delete all prototypes.
15547 * i386.c: Include "tm_p.h".
15548 (ix86_attr_length_default): Call constant_call_address_operand
15549 with correct number of arguments.
15550 * i386-protos.h: New file.
15551 * i386.md (unnamed patterns): Call constant_call_address_operand
15552 with correct number of arguments.
15553 (exception_receiver): Call load_pic_register with correct number
15556 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
15558 * c-pragma.c (mark_align_stack): Dereference the void* properly.
15560 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
15562 * rtl.h (insns_safe_to_move_p): New function.
15563 * loop.c (find_and_verify_loops): Use it.
15564 * rtlanal.c (insns_safe_to_move_p): Define it.
15566 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
15568 * c-pragma.c: Include ggc.h.
15569 * Makefile.in (c-pragma.o): Update.
15571 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15573 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
15574 (LIB_SPEC): Likewise.
15575 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
15576 Reindent -YP/-p/-pg.
15577 Copied from config/sparc/sol2.h.
15579 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
15581 * c-pragma.c (mark_align_stack): New.
15582 (init_pragma): New.
15583 * c-pragma.h (init_pragma): Declare it.
15584 * c-lex.c (init_parse): Call it.
15586 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15588 * configure.in: Pick up thread library on Solaris/x86 just
15589 like on Solaris/sparc.
15590 * configure: Rebuilt.
15592 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
15594 * rtl.h (global_rtx_index): New enum.
15595 (global_rtl): Change to array of rtx.
15596 (pc_rtx, cc0_rtx): Redefine accordingly.
15597 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
15598 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
15599 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
15600 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
15601 (const_int_rtx): Change to array of rtx.
15602 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
15604 * emit-rtl.c (global_rtl): Change to array of rtx.
15605 (const_int_rtx): Change to aray of rtx.
15606 (gen_rtx_CONST_INT): Redefine accordingly.
15607 (init_emit_once): Allocate and initialize global_rtl. Likewise
15608 for const_int_rtx. Add both as GC roots.
15609 * genattrtab.c (global_rtl): Update declaration.
15611 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
15613 * Makefile (USER_H): Add iso646.h back.
15615 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
15617 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
15618 zapping the LOG_LINKS of sched_before_next_call.
15620 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
15621 * pa.c (insn_refs_are_delayed): Renamed from
15622 insn_sets_and_refs_are_delayed.
15624 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
15626 * functiion.h (struct function): Add x_whole_function_mode_p.
15627 (retrofit_block): Declare.
15628 * function.c (retrofit_block): New function.
15629 (identify_blocks): Add assertions. Allow an incomplete set of
15630 block notes if we're still generating code for the function.
15631 * integrate.c: Include loop.h.
15632 (expand_inline_function): Call find_loop_tree_blocks to map block
15633 notes to blocks when in whole-function mode. Use retrofit_block
15634 to insert new BLOCKs for the inlined function, rather than
15636 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
15637 * Makefile.in (integrate.o): Depend on loop.h.
15639 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
15641 * tree.h (warn_about_unused_variables): Declare.
15642 * stmt.c (warn_about_unused_variables): New function, split out
15644 (expand_end_bindings): Here.
15646 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
15648 * stmt.c (preserve_subexpressions_p): Don't crash when
15649 current_function->stmt is unset.
15651 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
15653 * stmt.c (expand_start_bindings): Allow callers to pass a flag
15654 indicating that no NOTE_INSN_BLOCK_BEG note is required.
15655 (expand_start_target_temps): Use it.
15656 * except.c (expand_eh_region_start_for_decl): Likewise.
15657 * expr.c (expand_expr): Likewise.
15659 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
15661 * fold-const.c (operand_equal_p): Pay attention to side effects.
15663 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15665 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
15666 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
15668 * tlink.c (scan_linker_output): Look for keywords before accepting
15669 a mangled name in quotes.
15671 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
15673 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
15674 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
15676 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
15678 * alpha.md: Revert Thu Nov 26 change that came in through the
15679 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
15680 Avoid earlyclobber when possible.
15682 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15684 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
15686 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
15687 Define HAVE_ON_EXIT.
15689 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15691 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
15692 CTYPE_CONV in all ctype macros.
15694 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
15697 * cexp.y (initialize_random_junk): Likewise.
15699 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
15701 * i370.c (handle_pragma): Likewise.
15703 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
15705 * v850.c (override_options): Likewise.
15707 * doprint.c (_doprnt): Likewise.
15709 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
15712 * fixinc/server.c (load_data): Likewise.
15714 * fold-const.c (real_hex_to_f): Likewise.
15716 * genattr.c (write_upcase, gen_attr): Likewise.
15718 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
15719 write_upcase): Likewise.
15721 * genemit.c (print_code): Likewise.
15723 * genopinit.c (gen_insn): Likewise.
15725 * genpeep.c (print_code): Likewise.
15727 * genrecog.c (print_code): Likewise.
15729 * optabs.c (init_libfuncs): Likewise.
15731 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
15733 * haifa-sched.c (sched_analyze): Keep the list of notes organized
15735 (reemit_notes): Likewise.
15737 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
15739 * ggc.h (ggc_root): Move to ggc-common.c.
15741 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
15742 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
15743 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
15744 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
15745 * ggc-common.c (ggc_root): Move from ggc.h.
15746 (roots): Declare, static.
15747 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
15748 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
15749 null or check/set mark bit.
15750 (ggc_mark_roots): New.
15751 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
15753 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
15755 * m32r.c: Include toplev.h.
15756 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
15757 (gen_compare): Rename swap_p to must_swap to match uses.
15758 Add default abort case.
15759 (m32r_output_function_epilogue): Remove unused variables.
15760 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
15761 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
15762 define to empty parameter list. Update all uses.
15763 (predicate decls): Use enum machine_mode not int.
15764 * m32r.md (movsi): Call abort, not fatal_insn.
15765 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
15767 1999-09-14 Andrew Haley <aph@cygnus.com>
15769 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
15770 use $0 instead of 0.
15772 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15774 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
15775 computation out of loop over hard regs.
15777 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
15779 * function.c (identify_blocks): Don't shadow a variable in an
15781 * integrate.c (integrate_decl_tree): Don't use pushlevel,
15782 pushdecl, or poplevel to build up the new BLOCK tree.
15783 (expand_inline_function): Likewise.
15784 (integrate_parm_decls): Likewise.
15786 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
15788 * c-typeck.c (qualify_type): Merge qualifiers from both types.
15790 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
15792 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
15793 * invoke.texi: Document this change.
15795 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
15797 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
15799 (mark_emit_status): Renamed from mark_emit_state.
15800 * except.c (mark_eh_status): Renamed from mark_eh_state.
15801 Check not null before marking.
15802 (free_eh_status): New.
15803 * expr.c (mark_expr_status, free_expr_status): New.
15804 * function.c (free_machine_status): New.
15805 (free_after_parsing): New.
15806 (free_after_compilation): Move bits to free_after_parsing; call
15807 free_eh_status, free_expr_status; zero the marked members of the
15809 (prepare_function_start): No can_garbage_collect.
15810 Call init_eh_for_function.
15811 (expand_dummy_function_end): Free up current_function state.
15812 (mark_function_status): Renamed from mark_function_state.
15813 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
15814 * function.h (struct function): No can_garbage_collect.
15815 (free_machine_status, free_after_parsing): Declare.
15816 (free_eh_status, free_expr_status): Declare.
15817 * ggc.h (mark_expr_status): Declare.
15818 * stmt.c (free_stmt_status): Free the struct.
15819 (mark_stmt_status): Renamed from mark_stmt_state.
15820 (init_stmt): Don't call init_eh.
15821 (init_stmt_for_function): Don't call init_eh_for_function.
15822 * toplev.c (compile_file): Call init_eh.
15823 (rest_of_compilation): Free basic block info before ggc_collect.
15824 Call free_after_parsing; conditionally call free_after_compilation.
15825 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
15826 Check not null before marking.
15827 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
15829 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
15831 * c-lex.c (yylex): Initialize warn.
15833 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
15835 * pa.c (emit_move_sequence): Properly set the mode of the scratch
15836 register when performing secondary reloads for the SAR register.
15838 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
15840 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
15841 (NOTE_BLOCK): New macro.
15842 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
15843 * function.h (identify_blocks): Change prototype.
15844 * function.c (identify_blocks): Simplify.
15845 (reorder_blocks): Likewise.
15846 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
15847 NOTE_INSN_BLOCK_{BEG,END}.
15848 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
15849 the list of saved notes if the note isn't a
15850 NOTE_INSN_BLOCK_{BEG,END}.
15851 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
15853 (reemit_notes): Adjust recreation of notes to reflect new saved
15855 * print-rtl.c (print_rtx): Print the address of the BLOCK when
15856 printing a block note.
15857 * stmt.c (block_vector): Remove.
15858 (find_loop_tree_blocks): Simplify.
15859 (unroll_block_trees): Likewise.
15860 * tree.h (reorder_block): Change prototype.
15862 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
15864 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
15865 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
15866 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
15867 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
15868 (atexit, exit): Simplify.
15869 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
15870 * config/lots: Remove defns of HAVE_ATEXIT.
15872 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
15874 * calls.c (precompute_arguments): Fix typo in comment.
15875 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
15878 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
15880 * dsp16xx.c (override_options): Fix typos in GC root registration.
15882 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
15884 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
15885 from config/svr4.h.
15886 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
15887 (FUNCTION_PROFILER): Redefine appropriately for Linux.
15888 (CC1_SPEC): Likewise.
15890 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15892 * genattr.c (main): Add extern prototype. Call return, not exit.
15893 * genattrtab.c (main): Likewise.
15894 * gencheck.c (main): Likewise.
15895 * gencodes.c (main): Likewise.
15896 * genconfig.c (main): Likewise.
15897 * genemit.c (main): Likewise.
15898 * genextract.c (main): Likewise.
15899 * genflags.c (main): Likewise.
15900 * gengenrtl.c (main): Likewise.
15901 * genopinit.c (main): Likewise.
15902 * genoutput.c (main): Likewise.
15903 * genpeep.c (main): Likewise.
15904 * genrecog.c (main): Likewise.
15906 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
15907 * genattrtab.c (get_insn_name): Likewise.
15908 * gencodes.c (get_insn_name): Likewise.
15909 * genconfig.c (get_insn_name): Likewise.
15910 * genemit.c (get_insn_name): Likewise.
15911 * genextract.c (get_insn_name): Likewise.
15912 * genflags.c (get_insn_name): Likewise.
15913 * genopinit.c (get_insn_name): Likewise.
15914 * genpeep.c (get_insn_name): Likewise.
15916 * gencheck.c (usage): Add static prototype.
15917 * genextract.c (print_path): Constify a char*.
15918 * genopinit.c (optabs): Likewise.
15919 * genoutput.c (operand_data, data, output_predicate_decls,
15920 compare_operands): Likewise.
15921 * genrecog.c (write_tree): Add default case in switch.
15923 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15925 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
15927 * print-rtl.c (get_insn_name): Remove prototype.
15929 * toplev.h (progname): Declare const.
15931 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
15932 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
15933 dump_sched_info, dump_local_alloc, regset_release_memory,
15934 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
15935 error_with_file_and_line, error_with_decl, error_for_asm, error,
15936 fatal, warning_with_file_and_line, warning_with_decl, warning,
15937 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
15938 Remove redundant prototypes.
15940 (notice, check_lang_option, report_file_and_line, vnotice,
15941 mark_file_stack): Add static prototype.
15942 (set_fatal_function): Add prototype.
15943 (vnotice, report_file_and_line, set_fatal_function,
15944 check_lang_option): Constify a char*.
15945 (main): Prototype. Call return, not exit.
15947 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15949 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
15951 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
15953 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
15955 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
15957 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15959 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
15960 behave as if it's zero in all cases.
15961 (expand_function_start): Adjust call to assign_parms.
15962 * tree.h (assign_parms): Adjust prototype.
15963 * objc/objc-act.c (hack_method_prototype): Adjust call to
15966 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
15968 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
15969 arg_pointer_rtx fixed if the argument pointer register is
15971 (NONZERO_BASE_PLUS_P): Likewise.
15973 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
15975 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
15976 match_insn2 to match_insn.
15977 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
15979 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
15981 * Makefile.in (USER_H): Remove va-foo.h.
15983 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
15984 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
15985 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
15986 va-spur.h,va-v850.h}: Remove.
15988 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
15990 * sparc/sparc.md (eligible_for_return_delay): New attribute.
15991 (in_return_delay): Use it instead of match_insn.
15993 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15995 * config/alpha/va_list.h (va-alpha.h): Do not include.
15996 (__gnuc_va_list): Typedef as in varargs.h.
15998 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
16000 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
16001 DECL_LIVE_RANGE_RTL.
16003 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
16005 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
16006 not NOTE_BLOCK_NUMBER.
16007 (expand_eh_region_end): Likewise.
16008 (find_exception_handler_labels): Likewise.
16009 (scan_region): Likewise.
16010 (exception_optimize): Likewise.
16011 (update_rethrow_references): Likewise.
16012 (set_insn_eh_region): Likewise.
16013 * final.c (final_scan_insn): Likewise.
16014 * flow.c (make_edges): Likewise.
16015 * integrate.c (expand_inline_function): Likewise.
16016 * print-rtl.c (print_rtx): Likewise.
16018 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
16020 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
16021 terms of builtin functions and types.
16023 * mips.c (mips_build_va_list): New.
16024 (mips_va_start, mips_va_arg): New.
16025 * mips.h (BUILD_VA_LIST_TYPE): New.
16026 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16028 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
16029 (sh_build_va_list, sh_va_start, sh_va_arg): New.
16030 * sh.h (BUILD_VA_LIST_TYPE): New.
16031 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16033 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
16035 * recog.h (struct recog_data): Make dup_num, operand_address_p,
16036 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
16037 (struct insn_data): Likewise with n_operands, n_dups,
16038 n_alternatives, output_format.
16039 * regclass.c (scan_one_insn): Cast n_operands to int before
16040 arithmetic inside comparison.
16042 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
16044 * toplev.c (compile_function): Unconditionally emit nop.
16046 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16048 * haifa-sched.c (actual_hazard): Move declaration of variable
16049 `this_cost' into the scope where it is used.
16051 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16053 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
16054 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
16055 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
16057 * genrecog.c (make_insn_sequence): Call memset, not bzero.
16059 * jump.c (find_insert_position): Don't declare or define unless
16060 !HAVE_conditional_arithmetic.
16061 (returnjump_p_1, delete_prior_computation): Add static prototypes.
16063 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
16065 * recog.c (offsettable_address_p): Prototype function pointer.
16066 (preprocess_constraints): Call memset, not bzero.
16068 * tree.c (tree_node_kind_names): Constify a char*. Make static.
16069 (gcc_obstack_init): Don't declare.
16070 (fix_sizetype): Add static prototype.
16071 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
16072 (tree_cons): Call memset, not bzero.
16074 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
16075 definition in macro ASM_WEAKEN_LABEL.
16076 (mark_const_hash_entry): Add static prototype.
16078 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16080 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
16082 * unroll.c (find_common_reg_term, subtract_reg_term,
16083 loop_find_equiv_value): Add static prototypes.
16084 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
16085 (copy_loop_body): Remove unreachable break statement.
16087 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
16089 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
16091 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16093 Undo some changes from the gcc2 merge:
16094 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
16095 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
16099 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
16100 * emit-rtl.c (gen_lowpart_common): Disable optimization of
16101 initialized float-int union if the value is a NaN.
16103 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
16105 * gthr-win32.h: New file.
16107 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
16108 shared as a valid attribute.
16109 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
16110 * extend.texi: Document `shared' variable attribute.
16112 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
16114 * configure.in: Handle --enable-threads on FreeBSD.
16115 * configure: Rebuit.
16117 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16119 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
16121 * configure: Rebuilt.
16123 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
16124 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
16125 Rosimildo DaSilva <rdasilva@connecttel.com>
16127 * configure.in (m68k-*-rtemscoff*): Added.
16128 * configure.in (mips64orion-*-rtems*): Converted to ELF.
16129 * configure.in (sparc-*-rtemsaout*): Added as alias for old
16130 sparc-rtems configuration.
16131 * configure.in (sparc-*-rtemself*): Added.
16132 * configure.in (sparc-*-rtems*): Now ELF not a.out.
16133 * config/i386/rtems.h: Added comment.
16134 * config/sparc/rtemself.h: New file.
16136 * configure.in (m68k-rtemself): Added.
16137 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
16138 and DWARF_DEBUGGING_INFO.
16139 * config/m68k/crti.s: New file.
16140 * config/m68k/crtn.s: New file.
16141 * config/m68k/t-crtstuff: New file.
16142 * config/m68k/rtemself.h: New file.
16144 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
16145 global ctor/dtor and C++ exception handling.
16146 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
16147 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
16149 * config/i386/t-rtems-i386: New File.
16151 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
16153 * stmt.c (expand_end_case): Return right away if the case stack is
16156 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
16158 * Makefile.in (version.c): Remove rule incorrectly brought in from
16161 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
16163 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
16164 * msdos/top.sed: Take into account a prepended $(SHELL) to
16166 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
16168 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
16170 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16172 * regmove.c (fixup_match_1): Don't change an unchanging register.
16173 (stable_but_for_p): Renamed to:
16174 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
16175 Changed all callers.
16177 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
16179 * loop.c (strength_reduce): Don't call reg_used_between_p if the
16180 insn from BL2 is after the insn from BL.
16182 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
16184 * recog.h (INSN_OUTPUT_FORMAT_*): New.
16185 (struct insn_data): Merge `template' and `outfun' into `output'.
16186 Add `output_format'.
16187 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
16188 (struct data): Remove `outfun'; add `output_format'.
16189 (name_for_index): Remove declaration.
16190 (output_insn_data): Handle output formats.
16191 (process_template): Emit the bare array for @.
16192 (gen_expand, gen_split): Set output_format to NONE.
16193 * output.h (get_insn_template): Declare.
16194 * final.c (get_insn_template): New.
16195 (final_scan_insn): Use it.
16196 * toplev.c (compile_file): Likewise.
16198 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16199 * i860/i860.c (output_delayed_branch): Likewise.
16200 (output_delay_insn): Likewise.
16202 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16204 * rtl.c (obstack_alloc_rtx): Removed.
16206 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
16208 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
16210 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16212 * i386.c (call_insn_operand): Reject const_int.
16213 (expander_call_insn_operand): Use call_insn_operand.
16215 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16217 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
16219 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
16221 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
16222 Use DImode operation.
16224 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
16226 * gcc.c: Include sys/resource.h.
16227 (report_times): New flag.
16228 (execute): If report_times is set, calculate and report the
16229 CPU time consumed by each subprocess.
16231 (rus, prus): New globals.
16232 (option_map): Add --time.
16233 (display_help): Document -time.
16234 (process_command): Set report_times if -time is given.
16235 Turn off -pipe if -time is given.
16237 * invoke.texi: Document new option -time.
16239 * configure.in: Check for getrusage. Check if we have to
16240 prototype getrusage.
16241 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
16242 * configure: Regenerate.
16243 * config.in: Regenerate.
16245 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
16247 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
16250 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
16252 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
16253 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
16254 (nan): Return _thenan_sf or _thenan_df as appropriate.
16255 (L_thenan_sf): Define _thenan_sf.
16256 (L_thenan_df): Define _thenan_df.
16258 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
16259 (DPBIT_FUNCS): Add _thenan_df.
16261 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
16263 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
16266 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16268 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
16271 (lang_specific_driver): Don't take a function pointer parameter.
16272 All callers changed.
16274 * gcc.c: Include gcc.h.
16275 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
16276 lang_specific_extra_outfiles, fatal): Don't declare.
16277 (multilib_defaults_raw): Constify.
16278 (read_specs): Call memset, rather than bzero.
16279 (main): Call return, not exit.
16280 (lookup_compiler): Call memcpy, not bcopy.
16281 (fatal): Make extern.
16283 * cppspec.c: Include gcc.h.
16284 (lang_specific_driver): Initialize variable `quote'. Constify a
16285 char*. All calls to the function pointer parameter now
16286 explicitly call `fatal'.
16288 * gccspec.c (lang_specific_driver): Include gcc.h.
16290 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
16292 * arm.c (note_invalid_constants): Use recog_data.operand_type
16295 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16297 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
16300 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
16301 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16302 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16303 reload_secondary_in_reload, reload_secondary_out_reload,
16304 reload_secondary_in_icode, reload_secondary_out_icode,
16305 reload_reg_rtx, reload_when_needed): Delete declarations.
16306 (struct reload): New structure.
16307 (rld): Declare new array.
16308 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
16309 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16310 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16311 reload_secondary_in_reload, reload_secondary_out_reload,
16312 reload_secondary_in_icode, reload_secondary_out_icode,
16313 reload_reg_rtx, reload_when_needed): Delete definitions.
16315 (whole file): Replace uses of the deleted arrays with uses of rld.
16316 * reload1.c (whole file): Replace uses of the deleted arrays with
16318 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
16319 explicit loops, not with bcopy.
16321 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
16323 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
16324 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
16325 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
16326 insn_name): Delete and consolidate into new structures.
16327 (insn_operand_predicate_fn): New.
16328 (insn_output_fn): New.
16329 (insn_gen_fn): New.
16330 (struct insn_operand_data): New.
16331 (struct insn_data): New.
16333 (OUT_FCN): Update for insn_data change.
16334 * builtins.c (expand_builtin_strlen): Likewise.
16335 (expand_builtin_memcmp): Likewise.
16336 * combine.c (make_extraction, simplify_comparison): Likewise.
16337 * cse.c (canon_reg, cse_insn): Likewise.
16338 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
16339 * expmed.c (store_bit_field, extract_bit_field): Likewise.
16340 (emit_store_flag): Likewise.
16341 * expr.c (convert_move, emit_block_move): Likewise.
16342 (clear_storage, emit_push_insn, expand_increment): Likewise.
16343 (do_store_flag): Likewise.
16344 * expr.h (GEN_FCN): Likewise.
16345 (insn_gen_function): Die.
16346 * final.c (final_scan_insn): Update for insn_data change.
16347 (output_asm_name): Likewise.
16348 * function.c (fixup_var_refs_1): Likewise.
16349 * loop.c (check_dbra_loop): Likewise.
16350 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
16351 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
16352 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
16353 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
16354 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
16355 * regmove.c (gen_add3_insn): Likewise.
16356 * reload.c (push_secondary_reload, combine_reloads): Likewise.
16357 (find_reloads, find_reloads_address_1): Likewise.
16358 (debug_reload_to_stream): Likewise.
16359 * reload1.c (emit_reload_insns, gen_reload): Likewise.
16360 * stmt.c (expand_end_case): Likewise.
16361 * toplev.c (compile_file): Likewise.
16363 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16364 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16366 * print-rtl.c (insn_name_ptr): Remove declaration.
16367 (get_insn_name): Declare.
16368 (print_rtx): Use it.
16369 * genoutput.c (insn_name_ptr): Remove.
16370 (next_operand_number): New.
16371 (struct operand_data): New.
16372 (null_operand, odata, odata_end): New.
16373 (struct data): Use struct operand_data.
16374 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
16375 (get_insn_name): Renamed from name_for_index.
16376 (output_prologue): Define NO_MD_PROTOTYPES.
16377 (output_predicate_decls): Break out from output_epilogue.
16378 Iterate over the operands list.
16379 (output_operand_data): Break out from output_epilogue. Emit
16380 just the operands list.
16381 (output_insn_data): Break out from output_epilogue. Emit just
16383 (output_epilogue): Remove.
16384 (output_get_insn_name): New.
16385 (constraints, op_n_alternatives, predicates, address_p): Die.
16386 (modes, strict_low, seen): Die.
16387 (scan_operands): Take new param `d' instead of writing to
16388 seven global variables.
16389 (compare_operands): New.
16390 (place_operands): New.
16391 (validate_insn_alternatives): Update for struct data change.
16392 (gen_insn): Don't zero or copy 7 global arrays. Update for
16393 scan_operands; call place_operands.
16394 (gen_peephole, gen_expand, gen_split): Likewise.
16395 (main): Update for new output routines.
16397 * genattr.c (insn_name_ptr): Remove.
16398 (get_insn_name): New function.
16399 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
16400 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
16401 * genrecog.c: Likewise.
16403 * alpha.md (adddi3): Make `pattern' array static.
16405 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16407 * config/c4x/c4x.h (c4x_rpts_cycles_string,
16408 c4x_cpu_version_string): Constify char *.
16409 * config/c4x/c4x.c (c4x_rpts_cycles_string,
16410 c4x_cpu_version_string): Likewise.
16412 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
16414 * tree.c (save_tree_status): Revert 10 Sep change.
16415 (restore_tree_status): Likewise. Call obstack_free with NULL
16416 before freeing the obstack proper.
16418 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
16420 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
16422 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
16423 surrounding context.
16425 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
16427 * tree.c (type_hash_canon): Put all types in the hash-table, when
16430 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
16432 * recog.h (struct recog_data, recog_data): New.
16433 (recog_foo variables): Kill.
16434 * recog.c (recog_operand, recog_operand_loc): Kill.
16435 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
16436 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
16437 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
16438 (recog_data): Define.
16439 (extract_insn): Update all recog_foo references to use recog_data.
16440 (preprocess_constraints, constrain_operands): Likewise.
16441 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
16442 * genattrtab.c (main): Likewise.
16443 * genextract.c (main): Likewise.
16444 * genoutput.c: Likewise.
16445 * genrecog.c (write_subroutine, main): Likewise.
16446 * local-alloc.c (block_alloc): Likewise.
16447 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
16448 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
16449 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
16450 * reload.c (find_reloads, find_reloads_toplev): Likewise.
16451 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
16452 (reload_cse_simplify_operands): Likewise.
16454 * arc/arc.c (arc_final_prescan_insn): Likewise.
16455 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
16456 * h8300/h8300.c (notice_update_cc): Likewise.
16457 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
16458 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16459 * mn10200/mn10200.c (notice_update_cc): Likewise.
16460 * mn10300/mn10300.c (notice_update_cc): Likewise.
16461 * romp/romp.c (update_cc): Likewise.
16462 * sparc/sparc.c (check_pic): Likewise.
16463 * v850/v850.c (notice_update_cc): Likewise.
16465 * genemit.c (main): Don't declare recog_operand.
16467 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
16469 * ggc.h (rtvec_def): Forward declare.
16470 (tree_node): Likewise.
16471 (ggc_root): Define.
16473 (ggc_set_mark_rtx): Add prototype.
16474 (ggc_set_mark_rtvec): Likewise.
16475 (ggc_set_mark_tree): Likewise.
16476 * ggc-simple.c (ggc_root): Don't define.
16477 (roots): Don't declare.
16478 (ggc_mark_rtx): Remove.
16479 (ggc_mark_rtvec): Likewise.
16480 (ggc_mark_tree): Likewise.
16481 (ggc_mark_varray): Likewise.
16482 (ggc_mark_tree_hash_table_entry): Likewise.
16483 (ggc_mark_tree_hash_table): Likewise.
16484 (ggc_set_mart_rtx): New function.
16485 (ggc_set_mark_rtvec): Likewise.
16486 (ggc_set_mark_tree): Likewise.
16487 (ggc_add_root): Remove.
16488 (ggc_add_rtx_root): Likewise.
16489 (ggc_remove_tree_root): Likewise.
16490 (ggc_add_string_root): Likewise.
16491 (ggc_add_tree_varray_root): Likewise.
16492 (ggc_add_tree_hash_table_root): Likewise.
16493 (ggc_del_root): Likewise.
16494 (ggc_mark_rtx_ptr): Likewise.
16495 (ggc_mark_tree_ptr): Likewise.
16496 (ggc_mark_string_ptr): Likewise.
16497 (ggc_mark_tree_varray_ptr): Likewise.
16498 (ggc_mark_tree_hash_table_ptr): Likewise.
16499 * ggc-common.c: New file.
16500 * Makefile.in (OBJS): Add ggc-common.o.
16501 (ggc-common.o): List dependencies.
16503 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
16505 * cppalloc.c (xstrdup): Use memcpy.
16506 * cpperror.c (cpp_print_containing_files): Don't use
16508 * cpplib.c (conditional_skip): Set temp->lineno.
16509 (do_endif): Make error message less obscure.
16510 (if_directive_name): New function.
16511 (cpp_get_token [case EOF]): Unwind the if stack and generate
16512 error messages for each unterminated conditional in this file.
16513 (parse_string): Do not behave differently if -traditional.
16515 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
16517 * builtins.c (expand_builtin_va_arg): Cope with an array-type
16518 va_list decomposing to pointer-type.
16519 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
16520 (rs6000_va_arg): Likewise.
16522 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
16524 * except.c (start_dynamic_handler): Compute size using
16525 STACK_SAVEAREA_MODE.
16527 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16529 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
16530 include directory headers. Don't define strrchr. Don't provide
16531 my_* replacement functions. Prefer PTR over `pointer_type'.
16532 Don't prototype system functions. Don't redefine getopt.
16534 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
16535 safe_read, safe_write, save_pointers, restore_pointers,
16536 is_id_char, in_system_include_dir, directory_specified_p,
16537 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
16538 find_corresponding_lparen, referenced_file_is_newer,
16539 save_def_or_dec, munge_compile_params, gen_aux_info_file,
16540 process_aux_info_file, identify_lineno, check_source,
16541 seek_to_line, forward_to_next_token_char, output_bytes,
16542 output_string, output_up_to, other_variable_style_function,
16543 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
16544 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
16545 find_static_definition, connect_defs_and_decs, add_local_decl,
16546 add_global_decls, needs_to_be_converted, visit_each_hash_node,
16547 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
16548 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
16549 scan_for_missed_items, edit_file, string_list_cons): Add static
16551 (standard_exec_prefix, target_machine, target_version,
16552 default_syscalls_dir, string_list, string_list_cons, find_file,
16553 do_cleaning): Constify a char*.
16554 (safe_read, safe_write): Use PTR, not a char*.
16555 (is_id_char): Take an int, not a char.
16556 (main): Add prototype. Call return, not exit.
16558 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
16560 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
16561 when comparing types.
16563 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
16565 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
16566 (strength_reduce): Release the varrays from the no-bivs early exit.
16568 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
16569 the loop over the registers.
16571 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
16573 (restore_tree_status): Check that instead when freeing the obstack.
16575 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
16577 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
16580 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16582 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
16583 operand size modifiers.
16585 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16587 * c-common.c (c_common_nodes_and_builtins): Don't build
16589 * c-common.h (enum c_tree_index and related accesor macros): Remove
16590 everything now declared in tree.h.
16591 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
16592 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
16593 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
16594 (error_mark_node, void_type_node, char_type_node, integer_type_node,
16595 unsigned_type_node, ptr_type_node, va_list_type_node,
16596 integer_zero_node, null_pointer_node, integer_one_node): Delete.
16597 (init_decl_processing): Call build_common_tree_nodes and
16598 build_common_tree_nodes_2 instead of building their nodes here.
16599 Don't add roots for these nodes.
16600 * stor-layout.c (size_zero_node, size_one_node): Delete.
16601 (set_sizetype): Make a new node for bitsizetype each time.
16602 * tree.c (global_trees): New variable.
16603 (init_obstacks): Add a gc root for it.
16604 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
16605 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
16606 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
16607 (build_common_tree_nodes): New function.
16608 (fix_sizetype): New function.
16609 (build_common_tree_nodes_2): New function.
16610 * tree.h (enum tree_index): New.
16611 (global_trees): Declare.
16612 Add accessor macros for all nodes now moved to global_trees.
16613 Delete their declarations.
16615 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
16617 * c-decl.c (finish_function): When processing a nested function,
16618 push and pop GC context around rest_of_compilation.
16620 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
16622 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
16623 Default ix86_arch to PROCESSOR_I386.
16624 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
16625 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
16626 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
16627 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
16628 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
16629 (EXTRA_SPECS): Remove deleted specs.
16631 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
16633 * function.c (assign_stack_local_1): Allocate from
16634 function->x_frame_offset, not frame_offset.
16636 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
16638 * ggc.h (lang_cleanup_tree): Remove.
16639 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
16640 * ggc-callbacks.c (lang_cleanup_tree): Remove.
16642 * c-decl.c (finish_struct): Use ggc_alloc to allocate
16643 TYPE_LANG_SPECIFIC when garbage collecting.
16644 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
16645 (lang_cleanup_tree): Remove.
16647 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16649 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
16650 * crtstuff.c: Not here.
16651 * dwarf2out.c: Or here.
16652 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
16655 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
16657 * function.h (free_after_compilation): Remove decl parameter.
16658 (free_varasm_status0: Likewise.
16659 (free_emit_status): Likewise.
16660 (free_stmt_status): Likewise.
16661 (free_after_compilation): Likewise.
16662 (init_lang_status): New variable.
16663 (free_lang_status): Likewise.
16664 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
16665 * function.c (init_lang_status): New variable.
16666 (free_lang_status): Likewise.
16667 (push_function_context_to): Don't set function::decl here.
16668 (free_after_copmilation): Make decl parameter implicit. Call
16669 free_lang_status if defined.
16670 (prepare_function_start): Call init_lang_status if defined.
16671 (init_function_start): Set function::decl here.
16672 * profile.c (output_func_start_profiler): Don't call pushdecl
16673 until we've actually started the function.
16674 * stmt.c (free_stmt_status): Make decl parameter implicit.
16675 * toplev.c (rest_of_compilation): Don't pass decl to
16676 free_after_compilation.
16677 * varasm.c (free_varasm_status): Likewise.
16679 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16681 * except.c (call_get_eh_context): Add root when allocating static
16684 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
16686 * arm.c: Include "ggc.h".
16687 (arm_add_gc_roots): New function.
16688 (arm_override_options): Call it.
16689 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
16691 * arm.md (define_asm_attributes): Add a pool_range attribute.
16693 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
16695 * extend.texi (Volatiles): New node.
16697 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
16699 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
16700 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
16701 (struct ggc_any): Replace `mark' with `magic_mark'.
16702 (ggc_alloc_string): Use memcpy, not bcopy.
16703 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
16704 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
16705 (ggc_free_any): New.
16706 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
16707 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
16708 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
16709 Use IS_MARKED. Use ggc_free_any.
16711 1999-09-09 Scott Bambrough <scottb@netwinder.org>
16713 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
16715 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
16717 * toplev.c (main): Always init_ggc.
16719 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
16721 * except.c (find_all_handler_type_matches): Free the list if
16722 we found no matches.
16724 * combine.c (SUBST): Break out to a real function do_SUBST.
16725 (SUBST_INT): Likewise.
16726 * gcse.c (free_pre_mem): Free `temp_bitmap'.
16727 (pre_insert): Free `inserted'.
16728 * loop.c (basic_induction_var): Always set `location'.
16730 * function.c (expand_function_end): Add initial_trampoline as a root.
16731 * rtl.h (init_varasm_once): Declare.
16732 * toplev.c (compile_file): Call it.
16733 * ggc-simple.c (ggc_mark_string_ptr): New.
16734 (ggc_add_string_root): New.
16735 (ggc_collect): Disable collection avoidance temporarily.
16736 * ggc.h (ggc_add_string_root): Declare.
16737 * except.c (create_rethrow_ref): Use ggc_alloc_string.
16738 * optabs.c (init_libfuncs): Likewise.
16739 * varasm.c (named_section): Use ggc_alloc_string.
16740 (make_function_rtl): Likewise.
16741 (make_decl_rtl): Likewise.
16742 (assemble_static_space): Likewise.
16743 (assemble_trampoline_template): Likewise.
16744 (output_constant_def): Likewise.
16745 (force_const_mem): Likewise.
16746 (mark_const_hash_entry): New.
16747 (mark_pool_sym_hash_table): New.
16748 (mark_varasm_state): Use it.
16749 (init_varasm_once): New.
16751 * expr.h (init_one_libfunc): Declare.
16752 * optabs.c (init_one_libfunc): New.
16753 (init_optabs): Use it.
16754 * config/gofast.h: Likewise.
16755 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
16756 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
16758 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16760 * Makefile.in (cppexp.o): Depend on cpphash.h.
16761 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
16763 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
16764 * cpplib.c (do_define): Generalise to handle poisoned definitions,
16765 redefining poisoned identifiers, etc.
16766 (do_undef): Don't allow poisoned identifiers to be undefined.
16767 (do_pragma): Add #pragma poison.
16768 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
16770 * cccp.c: Add T_POISON node type.
16771 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
16773 (do_define): Generalise to handle poisoned definitions,
16774 redefining poisoned identifiers, etc.
16775 (do_undef): Don't allow poisoned identifiers to be undefined.
16776 (do_pragma): Add #pragma poison.
16777 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
16779 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
16780 * c-pragma.h: Add ps_poison state. We now always have generic
16783 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
16785 * ggc.h (ggc_alloc): New function.
16786 (ggc_mark): Likewise.
16787 * ggc-simple.c (ggc_any): New structure.
16788 (ggc_status): Add anys.
16789 (n_anys_collected): New variable.
16790 (ggc_alloc): Define.
16791 (ggc_mark): Likewise.
16792 (ggc_collect): Collect the anys.
16794 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16796 * c-decl.c (mark_binding_level): Make static to match prototype.
16798 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
16800 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
16802 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
16804 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
16805 will use into account. Expand the max width to 5.
16808 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
16810 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
16811 for the rtx length.
16813 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
16815 * alpha.md (call value patterns): Remove the result predicates.
16817 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
16819 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
16822 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16824 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
16825 changed from extern char *, to extern PTR. Also fix typo in
16826 NEED_DECLARATION_REALLOC test.
16828 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
16830 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16832 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
16833 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
16834 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
16835 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
16837 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
16839 * cccp.c (pcfinclude): Likewise.
16841 * global.c (allocno_compare): Likewise.
16843 * haifa-sched.c (rank_for_schedule): Likewise.
16845 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
16847 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
16849 * stupid.c (stupid_reg_compare): Likewise.
16851 * tree.c (_obstack_allocated_p): Likewise.
16853 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
16855 1999-09-08 Bruce Korb autogen@linuxbox.com
16857 * Makefile.in: Give the hapless gperf user a hint about
16858 why "gperf -F" fails.
16860 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
16862 * lists.c: Include ggc.h.
16864 (init_EXPR_INSN_LIST_cache): Install it.
16866 * ggc-simple.c (init_ggc): Absorb the old init.
16867 (ggc_push_context): Use xcalloc.
16868 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
16869 (ggc_collect): Add [rvts] tags to the collection stats.
16871 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
16873 * cccp.c (main): Fix handling of -include and -imacros options.
16875 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
16877 * cpplib.c (cpp_push_buffer): Fix order of arguments.
16879 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16881 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
16884 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16886 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
16887 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
16888 and SET_DEST. Update comment.
16890 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16892 * config/c4x/c4x.c: Include ggc.h.
16893 (c4x_add_gc_roots): New function.
16894 (c4x_override_options): Call c4x_add_gc_roots.
16896 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
16898 * defaults.h (TARGET_ESC): Move ...
16899 * system.h: ... here, where Linas had it in the first place. Silly me.
16901 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
16903 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
16904 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
16905 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
16906 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
16907 * defaults.h (TARGET_ESC): Add default.
16909 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
16911 * configure.in: add i370-*-openedition, i370-*-mvs and
16912 i370-*-linux targets
16914 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
16916 * dsp16xxx.c: Include ggc.h
16917 (override_options): Mark GC roots.
16918 * mn10200.c: Include ggc.h.
16919 (asm_file_start): Mark GC roots.
16920 * tahoe.c: Include ggc.h.
16921 (extensible_operand): Mark GC roots.
16923 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
16925 * README: Add section discussing status of ELF ABI.
16926 * i370.c: Fix misc spelling mistakes.
16927 (i370_label_scan): Updated notes, exception handling.
16928 (i370_function_prolog): Simplify ELF stack handling.
16929 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
16930 (STACK_GROWS_DOWNWARD): ELF stack grows down.
16931 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
16932 * i370.md: (movdi): Add notes.
16933 (floatsidf2): Use stack not rtca for scratch float area.
16934 (iorsi3): Correct operand constraints.
16935 * x-oe: Restore TAROUTOPTS which are used by pax.
16937 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
16939 * rs6000.c: Include ggc.h.
16940 (rs6000_add_gc_roots): New function.
16941 (override_options): Call it.
16943 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
16945 * alpha.h (alpha_compare): New.
16946 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
16947 * alpha.c: Likewise for the definitions.
16948 (alpha_emit_conditional_branch): Update for alpha_compare.
16949 (alpha_emit_conditional_move): Likewise.
16950 * alpha.md (cmpdf, cmpdi): Likewise.
16951 (setcc patterns): Likewise. Zero alpha_compare after use.
16952 (sne): Optimize (x != 0) into (0U < x).
16954 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
16956 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
16957 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
16958 (INIT_EXPANDERS): Remove.
16959 * alpha.c: Include ggc.h.
16960 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
16961 (alpha_init_machine_status, alpha_mark_machine_status): New.
16962 (override_options): Install them.
16963 (struct machine_function): Moved to alpha.h.
16964 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
16965 (alpha_init_expanders): Remove.
16966 (alpha_return_addr): Adjust to use current_function->machine.
16967 (alpha_ra_ever_killed): Likewise.
16968 (alpha_expand_epilogue): Likewise.
16969 * alpha.md (eh_epilogue): Likewise.
16971 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
16972 Melissa O'Neill <oneill@cs.sfu.ca>
16973 Geoffrey Keating <geoffk@cygnus.com>
16975 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
16976 call-used registers (call-saved registers must still be contiguous
16977 and end with r31, of course).
16979 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
16981 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
16982 (self_promoting_type_p): Delete.
16983 (self_promoting_args_p): Move ...
16984 * c-common.c: ... here.
16985 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
16986 (simple_type_promotes_to): New.
16987 * builtins.c (lang_type_promotes_to): New.
16988 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
16989 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
16990 * c-common.h: ... here.
16991 (self_promoting_args_p, simple_type_promotes_to): Declare.
16992 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
16993 (grokdeclarator): Likewise.
16994 * tree.h (lang_type_promotes_to): Declare.
16996 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
16998 Add some machine-dependent GC roots.
16999 * sparc.c: Include ggc.h.
17000 (sparc_add_gc_roots): New function.
17001 (mark_ultrasparc_pipeline_state): Likewise.
17002 (override_options): Call sparc_add_gc_roots.
17003 * pa.c: Include ggc.h.
17004 (pa_add_gc_roots): New function.
17005 (mark_deferred_plabels): Likewise.
17006 (override_options): Call pa_add_gc_roots.
17007 * mips.c: Include ggc.h.
17008 (mips_add_gc_roots): New function.
17009 (override_options): Use it.
17011 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17013 * cpperror.c (cpp_file_line_for_message): Constify a char*.
17015 * cppexp.c (parse_number, parse_charconst, cpp_lex,
17016 cpp_parse_expr): Add static prototypes.
17017 (parse_charconst): Don't cast away const-ness.
17018 (token): Constify a char*.
17020 * cppfiles.c (file_name_list, include_hash, find_include_file,
17021 finclude, initialize_input_buffer): Constify a char*.
17022 (file_cleanup, find_position): Add static prototypes.
17024 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
17025 collect_expansion): Add static prototypes.
17026 (cpp_install, create_definition, monthnames): Constify a char*.
17028 * cpphash.h (cpp_install): Likewise.
17030 * cppinit.c (known_suffixes, default_include,
17031 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
17032 (base_name, dump_special_to_buffer, initialize_dependency_output):
17033 Add static prototypes.
17035 * cpplib.c (my_strerror): Constify a char*.
17036 (null_underflow, null_cleanup, skip_comment, copy_comment,
17037 copy_rest_of_line, handle_directive, pass_thru_directive,
17038 get_directive_token, read_line_number, cpp_print_file_and_line,
17039 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
17040 v_cpp_warning_with_line, detect_if_not_defined,
17041 consider_directive_while_skipping): Add static prototypes.
17042 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
17043 cpp_pedwarn_with_file_and_line): Constify a char*.
17045 * cpplib.h (cpp_options, include_hash, progname, definition,
17046 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
17047 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
17048 find_include_file, deps_output, include_hash): Constify a char*.
17050 * cppmain.c (progname): Constify.
17051 (main): Add prototype. Use return, not exit.
17053 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
17054 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
17055 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
17056 check_protection): Add static prototype.
17058 (progname, recognized_macrom, recognized_extern): Constify a char*.
17059 (main): Add prototype.
17061 * gen-protos.c (progname): Constify a char*.
17063 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
17065 * emit-rtl.c (free_emit_status): Take decl as a parameter.
17066 (init_emit_once): Add more GC roots.
17067 * except.c (mark_func_eh_entry): New function.
17068 (mark_eh_node): Mark false_label and rethrow_label.
17069 (init_eh): Add more GC roots.
17070 * function.c (free_after_compilation): Take decl as a paramter.
17071 Call free_stmt_status.
17072 (mark_function_state): Don't assume x_parm_reg_stack_loc is
17074 * function.h (free_after_compilation): Change prototype.
17075 (free_varasm_status): Likewise.
17076 (free_emit_status): Likewise.
17077 (free_stmt_status): New function.
17078 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
17079 Remove, replacing with ...
17080 (ggc_status): New structure.
17081 (ggc_chain): New variable.
17082 (init_gcc): Define.
17083 (ggc_push_context): New function.
17084 (ggc_pop_context): Likewise.
17085 (ggc_alloc_rtx): Adjust for use of ggc_chain.
17086 (ggc_alloc_rtvec): Likewise.
17087 (ggc_alloc_tree): Likewise.
17088 (ggc_alloc_string): Likewise.
17089 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
17090 (ggc_mark_tree): Give language-dependent code a chance to mark
17092 (ggc_mark_tree_varray): Handle empty arrays.
17093 (ggc_collect): Adjust for use of ggc_chain. Clear
17094 bytes_alloced_since_last_gc.
17095 * ggc.h (ggc_pop_context): New function.
17096 (ggc_push_context): Likewise.
17097 * print-tree.c (print_node): Don't print obstacks when GC'ing.
17098 * stmt.c (free_stmt_status): New function.
17099 (init_stmt_for_function): Clear last_expr_value.
17100 * toplev.c (rest_of_compilation): Always call free_after_compilation.
17101 Conditionalize call to ggc_collect.
17102 (main): Call init_ggc.
17103 * tree.c (push_obstacks): Do the push, even when GC'ing.
17104 (push_obstacks_nochange): Likewise.
17105 (pop_obstacks): Liekwise.
17106 * varasm.c (free_varasm_status): Take decl as a parameter.
17108 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
17110 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
17111 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
17112 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
17113 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
17115 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
17117 * pa/x-pa-mpeix: New file for the MPE port.
17119 * pa/quadlib.asm: New file for long double support.
17121 * configure.in: Add hppa1.0-*-mpeix for MPE port.
17122 * configure: Rebuilt.
17124 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
17126 * final.c (shorten_branches): Fix last change.
17128 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
17130 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
17132 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
17134 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
17137 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17139 * c-aux-info.c (concat): Don't define.
17141 * cccp.c (my_strerror): Likewise. All callers changed to use
17143 (do_include): Call xstrdup, not xmalloc/strcpy.
17144 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
17145 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
17147 * collect2.c (my_strsignal): Likewise. All callers changed to use
17149 (locatelib): Call xstrdup, not xmalloc/strcpy.
17151 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
17153 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
17155 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
17157 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
17159 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
17161 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
17163 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
17165 (find_all_handler_type_matches): Likewise. Don't check return
17167 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
17168 xmalloc, not malloc.
17169 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
17171 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
17172 (init_spec): Call xcalloc, not xmalloc/bzero.
17173 (set_spec): Call xstrdup, not save_string.
17174 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
17175 (find_a_file): Call xstrdup, not xmalloc/strcpy.
17176 (process_command): Call xstrdup, not save_string.
17177 (main): Call xcalloc, not xmalloc/bzero.
17179 * gcov.c (xmalloc): Don't define.
17180 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
17181 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
17182 (output_data): Call xcalloc, not xmalloc/bzero.
17184 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
17186 * mips-tdump.c (xmalloc): Don't define.
17187 (print_symbol): Call xmalloc, not malloc.
17188 (read_tfile): Call xcalloc, not calloc.
17190 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
17191 Don't define. All callers of xfree/my_strsignal changed to use
17192 free/strsignal instead.
17193 (allocate_cluster): Call xcalloc, not calloc.
17195 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
17196 Fix memory leak, free allocated memory.
17198 * prefix.c (translate_name): Call xstrdup, not save_string.
17199 (update_path): Likewise.
17201 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
17203 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
17204 Don't define. Callers of xfree/savestring2 changed to use
17205 free/concat instead.
17207 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
17208 (init_elim_table): Likewise.
17210 * resource.c (init_resource_info): Likewise.
17212 * stupid.c (stupid_life_analysis): Likewise.
17214 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
17215 (open_dump_file): Call concat, not xmalloc/strcpy/...
17216 (clean_dump_file): Likewise.
17217 (compile_file): Call xstrdup, not xmalloc/strcpy.
17219 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
17221 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
17222 * v850.c (v850_va_arg): New.
17224 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17226 * haifa-sched.c: Tidy comments.
17228 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17230 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
17231 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
17232 $(out_object_file)): Depend on ggc.h.
17233 * c-common.c: Include "ggc.h".
17234 (combine_strings): If doing GC, use ggc_alloc_string.
17235 * c-decl.c: Include "ggc.h".
17236 (ggc_p): Define with value 0.
17237 (mark_binding_level): New function.
17238 (init_decl_processing): Add GC roots.
17239 (mark_c_function_context): New function.
17240 (lang_mark_false_label_stack): New function.
17241 (lang_mark_tree): New function.
17242 (lang_cleanup_tree): New function.
17243 * c-lang.c: Include "ggc.h".
17244 (lang_init): Call c_parse_init.
17245 * c-lex.c: Include "ggc.h".
17246 (check_linenum): If doing GC, don't copy filenames to permanent
17248 * c-parse.in: Include "ggc.h".
17249 (c_parse_init): New function.
17250 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
17251 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
17253 * except.c (mark_eh_state): Mark more state.
17254 * function.c (mark_function_state): Likewise.
17255 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
17256 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
17257 * toplev.c (mark_file_stack): New function.
17258 (compile_file): If doing GC, use ggc_alloc_string on input filename.
17259 (main): Add root for input_file_stack.
17261 * i386.c: Include "ggc.h".
17262 (ix86_mark_machine_status): New function.
17263 (override_options): Set mark_machine_status.
17265 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17267 * tree.c (copy_node): Copy node contents also if doing GC.
17269 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17271 * collect2.c (scan_libraries): Fix double-thinko :-).
17273 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
17275 * collect2.c (scan_libraries): Fix thinko.
17277 * cse.c (delete_trivially_dead_insns): Do not skip the last
17278 insn if it is a real insn.
17280 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
17282 * Makefile.in (ggc-simple.o): Depend on hash.h.
17283 * ggc.h (ggc_add_tree_hash_table_root): Declare.
17284 (ggc_mark_tree_varray): Likewise.
17285 (ggc_mark_tree_hash_table): Likewise.
17286 * ggc-simple.c: Include hash.h.
17287 (ggc_mark_tree_hash_table_ptr): New function.
17288 (ggc_mark_tree_hash_table_entry): Likewise.
17289 (ggc_mark_tree_hash_table): Likewise.
17290 (ggc_add_tree_hash_table_root): Likewise.
17291 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
17292 rtx, when defining fields.
17294 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17296 * profile.c (output_func_start_profiler): Remove apparently
17297 nonsensical call to start_sequence.
17299 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
17301 * clipper/clipper.c (clipper_va_start): Fix typos.
17303 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
17304 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
17305 (spur_va_arg): New stub.
17307 * configure.in: Comment out pyramid.
17309 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
17311 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
17312 don't conflict with the bits that win32, cygwin, and dgux
17315 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
17316 Bernd Schmidt <bernds@cygnus.co.uk>
17318 * integrate.c (function_cannot_inline_p): Do not inline
17319 functions with forced labels.
17321 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
17322 Bernd Schmidt <bernds@cygnus.co.uk>
17323 Mark Mitchell <mark@codesourcery.com>
17325 * Makefile.in (ggc-simple.o): Depend on varray.h.
17326 (rtl.o): Depend on ggc.h.
17327 (genattrtab.o): Depend on ggc.h.
17328 (print-tree.o): Likewise.
17329 (fold-const.o): Likewise.
17330 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
17331 (make_insn_raw): Don't cache insns when GC'ing.
17332 (emit_insn_before): Likewise.
17333 (emit_insn_after): Likewise.
17334 (emit_insn): Likewise.
17335 (start_sequence): Use xmalloc to allocate the sequence_stack.
17336 (end_sequence): Add free to free it.
17337 (gen_sequence): Don't cache insns when GC'ing.
17338 (clear_emit_caches): Don't use sequence_element_free_list.
17339 (init_emit): Use xcalloc, not xmalloc+bzero.
17340 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
17341 * function.c (pop_function_context_from): Use free to free the
17342 fixup_var_refs_queue.
17343 (put_reg_into_stack): Allocate it with xmalloc.
17344 * genattrtab.c: Include ggc.h.
17345 (operate_exp): Don't use obstack_free when GC'ing.
17346 (simplify_cond): Likewise.
17347 (simplify_text_exp): Likewise.
17348 (optimize_attrs): Likewise.
17349 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
17351 (gencode): Generate a #include for ggc.h.
17352 * ggc-callbacks.c (ggc_p): Define it to zero.
17353 * ggc-none.c (ggc_p): Likewise.
17354 * ggc-simple.c: Include varray.h.
17355 (ggc_mark_tree_varray): New function.
17356 (ggc_add_tree_varray_root): Likewise.
17357 (ggc_mark_tree_varray_ptr): Likewise.
17358 * ggc.h (ggc_p): Declare.
17359 (varray_head_tag): Likewise.
17360 (ggc_add_tree_varray_root): Declare.
17361 * print-tree.c (print_node): Don't check for TREE_PERMANENT
17362 inconsistencies when GC'ing.
17363 * rtl.c: Include ggc.h.
17364 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
17365 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
17366 (rtx_free): Don't call obstack_free when GC'ing.
17367 * toplev.c (rest_of_compilation): Call ggc_collect after every
17369 * tree.c (push_obstacks): Do nothing, if GC'ing.
17370 (pop_obstacks_nochange): Likewise.
17371 (pop_obstacks): Likewise.
17372 (make_node): Use ggc_alloc_tree when GC'ing.
17373 (copy_node): Likewise.
17374 (get_identifier): Use ggc_alloc_string when GC'ing.
17375 (build_string): Likewise.
17376 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
17377 (tree_cons): Likewise.
17378 (build1): Likewise.
17379 (type_hash_canon): Don't call obstack_free when GC'ing.
17381 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
17383 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
17384 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
17386 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
17387 Bernd Schmidt <bernds@cygnus.co.uk>
17388 Mark Mitchell <mark@codesourcery.com>
17390 * Makefile.in (stor-layout.o): Depend on ggc.h.
17391 (expr.o): Depend on ggc.h.
17392 (profile.o): Depend on ggc.h.
17393 (stor-layout.o): Depend on ggc.h.
17394 * emit-rtl.c (init_emit_once): Add gc roots.
17395 * expr.c: Include ggc.h.
17396 (emit_block_move): Add gc roots.
17397 (clear_storage): Likewise.
17398 * expr.h (init_stor_layout_once): New function.
17399 * profile.c: Include ggc.h.
17400 (init_arc_profiler): profiler_label is a root.
17401 * scan.c (make_sstring_space): Trust xrealloc to function
17402 correctly with first parameter NULL.
17403 * stor-layout.c: Include ggc.h.
17404 (set_sizetype): Add gc root.
17405 (init_stor_layout_once): New function.
17406 * toplev.c (compile_file): Call it.
17408 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
17409 Bernd Schmidt <bernds@cygnus.co.uk>
17410 Mark Mitchell <mark@codesourcery.com>
17412 * Makefile.in (tree.o): Depend on ggc.h.
17413 (varasm.o): Likewise.
17414 (function.o): Likewise.
17415 (stmt.o): Likewise.
17416 (except.o): Likewise.
17417 (optabs.o): Likewise.
17418 (emit-rtl.o): Likewise.
17419 * emit-rtl.c: Include ggc.h.
17420 (sequence_element_free_list): Remove, and all references.
17421 (mark_sequence): New functions.
17422 (mark_emit_state): New function.
17423 * except.c: Include ggc.h.
17424 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
17425 (mark_tree_label_node): New functions.
17426 (mark_eh_state): New function.
17427 * function.c: Include ggc.h.
17428 (mark_temp_slot, mark_function_chain): New functions.
17429 (mark_function_state): New function.
17430 (init_function_once): New function.
17431 * function.h (init_function_once): New function.
17432 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
17433 * ggc.h (label_node): Declare.
17434 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
17435 (lang_mark_false_label_stack): New function.
17436 (mark_temp_slot): Remove declaration.
17437 (mark_function_chain): Likewise.
17438 (mark_eh_state): Adjust prototype.
17439 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
17441 * optabs.c: Include ggc.h.
17442 (mark_optab): New function.
17443 (init_optabs): Add gc roots.
17444 * stmt.c: Include ggc.h.
17445 (mark_cond_nesting, mark_loop_nesting): New functions.
17446 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
17447 (mark_stmt_state): New function.
17448 * toplev.c (compile_file): Call init_function_once.
17449 * tree.c: Include ggc.h.
17450 (type_hash): Move declaration earlier in file.
17451 (TYPE_HASH_SIZE, type_hash_table): Likewise.
17452 (init_obstacks): Add gc roots.
17453 (mark_type_hash): New function.
17454 * varasm.c: Include ggc.h.
17455 (mark_pool_constant): New function.
17456 (mark_varasm_state): New function.
17458 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17460 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
17462 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17464 * c-decl.c (struct language_function): Renamed from struct c_function.
17466 (c_function_chain): Delete.
17467 (push_c_function_context): New arg F. Don't warn about nested
17468 functions here. Fill LANGUAGE elt of F. Delete code to update
17469 c_function_chain. Don't call push_function_context.
17470 (pop_c_function_context): New arg F. Restore from there instead of
17471 from c_function_chain. Don't call pop_function_context. Clear out
17472 LANGUAGE field of F when done.
17473 * c-lang.c: Include "function.h"
17474 (lang_init): Initialize save_lang_status and restore_lang_status.
17475 * c-parse.in (nested_function, nested_function_notype): Warn about
17476 nested functions. Call push_function_context/pop_function_context
17477 instead of the _c_ variants.
17478 * c-tree.h (push_c_function_context, pop_c_function_context): Update
17480 * Makefile.in (c-lang.o): Update dependencies.
17482 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
17483 regno_pointer_flag, regno_pointer_align.
17484 (gen_reg_rtx): Use xrealloc to enlarge them.
17485 (free_emit_status): New function.
17486 * function.c (mark_machine_status, mark_lang_status): New variables.
17487 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
17488 in some bits from assign_stack_local. All callers changed to use new
17490 (assign_stack_local): Just call assign_stack_local_1.
17491 (free_after_compilation): New function.
17492 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
17493 (trampoline_address): Likewise.
17494 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
17495 (prepare_function_start): Explicitly clear some more variables.
17496 * function.h (struct function): New elt can_garbage_collect.
17497 (mark_machine_status, mark_lang_status): Declare variables.
17498 (free_after_compilation, free_emit_status, free_varasm_status,
17499 init_varasm_status): Declare functions.
17500 * toplev.c (rest_of_compilation): Call free_after_compilation when
17501 done with the current function.
17502 * varasm.c (free_varasm_status): New function.
17504 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
17506 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
17507 (EXPAND_BUILTIN_VA_ARG): Define.
17508 * sparc.c (sparc_va_start): New.
17509 (sparc_va_arg): New.
17511 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17513 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
17515 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17517 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
17519 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
17521 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
17522 (OBJS): Add $(GGC).
17523 (ggc-callbacks.o): New target.
17524 * ggc-callbacks.c: New file.
17526 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17528 * expr.h: Collapse individual optab and libfunc vars to arrays.
17529 (optab_index, libfunc_index): New enumerations.
17530 (optab_table, libfunc_table): New arrays.
17531 Add accessor macros for both.
17533 * optabs.c (optab_table, libfunc_table): New.
17534 Delete declarations for individual optab and libfunc vars.
17536 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
17538 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
17540 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17542 * Makefile.in (GGC, GGC_LIB): New.
17543 (HOST_RTL): Include ggc-none.o.
17544 (ggc-simple.o): New target.
17545 (ggc-none.o): Likewise.
17546 * tree.h (tree_common): Add gc_mark.
17547 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
17548 (struct rtvec_def): Add gc_mark.
17549 * emit-rtl.c (global_rtl): Update static initializers to contain
17550 enough initializers.
17551 * ggc.h, ggc-none.c, ggc-simple.c: New files.
17552 * toplev.c (gc_time): New variable.
17553 (all_time): New variable.
17554 (compile_file): Print gc time.
17555 (print_time): Calculate percentage of the whole.
17557 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17559 Change obstack memory management and varasm constant pool handling so
17560 that nested functions are treated like any other functions.
17561 * function.c (init_machine_status): New variable.
17562 (push_function_context_to): Set contains_functions for the outer
17563 function. Don't call save_varasm_status.
17564 (pop_function_context_from): Don't call restore_varasm_status. Don't
17565 set current_function_contains_functions.
17566 (prepare_function_start): Call init_varasm_status rather than
17567 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
17569 * function.h (struct function) Add field varasm. Delete fields
17570 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
17571 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
17572 (init_machine_status): Declare.
17573 (save_varasm_status, restore_varasm_status): Delete declarations.
17574 (save_tree_status, restore_tree_status): Delete last argument.
17575 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
17576 code. All callers changed.
17577 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
17578 save_constants_in_decl_trees, restore_constants, save_constants,
17579 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
17581 (inlining): New variable.
17582 (reg_map, label_map, insn_map, orig_asm_operands_vector,
17583 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
17585 (save_for_inline_nocopy): Don't save constants.
17586 Don't set inl_emit field in current_function.
17587 (expand_inline_function): Use emit field, not inl_emit, of the inlined
17588 function. Set new variable inlining before
17589 calling copy_rtx_and_substitute.
17590 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
17591 constant pool references if inlining is nonzero.
17592 Delete ADDRESS and (most of the) CONST cases.
17593 (output_inline_function): Save and restore current_function/
17594 current_function_decl. Delete restore_constants code. Don't call
17595 init_const_rtx_hash_table.
17596 * output.h (init_const_rtx_hash_table): Don't declare.
17597 * rtl.h (struct function): Declare.
17598 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
17599 * toplev.c (rest_of_compilation): Don't treat nested functions or
17600 functions containing them specially. Delete all code to deal with
17601 save_for_inline_copying.
17602 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
17603 inline_obstacks): Delete variables.
17604 (save_tree_status): Lose arg CONTEXT. All callers changed.
17605 Simply allocate a new function_maybepermanent_obstack for the new
17606 function, delete all the special cases.
17607 Don't save inline_obstacks.
17608 (restore_tree_status): Lose arg CONTEXT. All callers changed.
17609 Delete special handling for function_maybepermanent_obstack; simply
17611 Don't restore inline_obstacks.
17612 (permanent_allocation): Delete code that frees inline_obstacks.
17613 (print_inline_obstack_statistics): Delete function.
17614 (dump_tree_statistics): Don't call it.
17615 * varasm.c (struct varasm_status): New.
17616 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
17617 last_pool, pool_offset, const_double_chain): Delete global
17618 variables, replace with accessor macros.
17619 (immed_double_const): Don't walk const_double_chain outside a
17620 function, but don't treat nested functions specially anymore.
17621 (immed_real_const_1): Likewise.
17622 (clear_const_double_mem): Don't treat nested functions specially.
17623 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
17624 (save_varasm_status, restore_varasm_status): Delete functions.
17625 (init_varasm_status): New function.
17626 (force_const_mem): Don't treat nested functions specially.
17627 (find_pool_constant): Accept new arg F, search for constants in
17628 that function's pool rather than the current one. All callers
17630 (get_pool_constant_for_function, get_pool_mode_for_function): New
17633 * i386.c (init_386_machine_status): New function, mostly from
17634 clear_386_stack_locals.
17635 (struct machine_functions): Rename element names to avoid name
17637 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
17638 macros, replacing global variables.
17639 (clear_386_stack_locals, save_386_machine_status,
17640 restore_386_machine_status): Delete functions.
17641 (override_options): Initialize init_machine_status.
17642 * i386.h (INIT_EXPANDERS): Delete macro.
17643 (save_386_machine_status, restore_386_machine_status,
17644 clear_386_stack_locals): Delete declarations.
17646 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17648 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
17649 (doloop_begin): Simplify pattern and use emit_jump_insn.
17650 (doloop_end): Simplify pattern, switch operand order,
17651 and use emit_jump_insn.
17653 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17655 * function.h (struct function): Add new element LANGUAGE.
17656 (save_lang_status): Declare new variable.
17657 (restore_lang_status): Likewise.
17658 * function.c (save_lang_status): Define.
17659 (restore_lang_status): Likewise.
17660 (push_function_context_to): Call language-specific save function.
17661 (pop_function_context_from): Call language-specific restore function.
17663 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17665 * i386.md (movsf_1): Check REG_P before use of REGNO.
17666 (movdf_1): Likewise.
17667 (movxf_1): Likewise.
17668 (extendsfdf2): Likewise.
17669 (extendsfxf2): Likewise.
17670 (extenddfxf2): Likewise.
17672 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17674 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
17675 constants into memory.
17676 (c4x_shiftable_constant): New function.
17677 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
17678 (c4x_shiftable_constant): Declare.
17679 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
17680 ashlqi3_noclobber): Add new patterns and associated splitters.
17682 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
17684 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
17685 * dwarf2out.c (dwarf2out_frame_init): Likewise.
17686 * final.c (shorten_branches): Likewise.
17687 * global.c (global_alloc): Likewise.
17688 * haifa-sched.c (build_control_flow): Likewise.
17689 * stmt.c (check_for_full_enumeration_handling): Likewise.
17690 (estimate_case_costs): Likewise.
17692 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
17694 * rtl.h (RTL_CHECKC2): Fix typo in last change.
17696 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
17698 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
17699 (recompute_reg_usage): Likewise.
17700 * rtlanal.c (find_regno_fusage): Likewise.
17702 * rtl.c (rtl_check_failed_code1): New function.
17703 (rtl_check_failed_code2): New.
17704 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
17705 (RTL_CHECKC1, RTL_CHECKC2): New.
17706 (XC*): New accessor macros.
17707 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
17708 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
17709 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
17710 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
17711 (TRAP_*, RANGE_INFO_*): Likewise.
17713 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17715 * Makefile.in (tlink.o): Don't depend on toplev.h.
17717 * collect2.c (c_file, o_file, export_file, import_file, ldout,
17718 output_file, nm_file_name, ldd_file_name, strip_file_name,
17719 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
17720 add_prefix, prefix_from_env, prefix_from_string, do_wait,
17721 fork_execute, maybe_unlink, add_to_list,
17722 extract_init_priority, write_list, dump_list,
17723 dump_prefix_list, write_list_with_asm, write_c_file,
17724 write_c_file_stat, write_c_file_glob, scan_prog_file,
17725 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
17726 ignore_library, extract_string, notice, dump_file, target_machine,
17727 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
17728 read_file, print_load_command): Constify a char*.
17729 (fdopen, error, fatal, fatal_perror): Don't prototype.
17730 (my_strerror): Remove. All callers use xstrerror instead.
17731 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
17732 (main): Add prototype. Constify lots of char* ptrs. Change calls
17733 to xcalloc/strcpy/strcat/... to one call to concat.
17734 (main, scan_prog_file, scan_libraries): Use an intermediate
17735 `const char **' to build an argv array.
17736 (mapfile, libselect, libcompare, locatelib): Add prototypes.
17738 * collect2.h (collect_execute, collect_wait, dump_file,
17739 file_exists): Constify a char*.
17740 (ldout, c_file_name, temporary_obstack, permanent_obstack,
17741 temporary_firstobj, vflag, debug): Add extern declarations.
17742 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
17744 * tlink.c: Don't include toplev.h.
17745 (vflag, debug, ldout, c_file_name, temporary_obstack,
17746 permanent_obstack, temporary_firstobj): Don't declare.
17747 (tlink_execute, frob_extension, symbol_hash_lookup,
17748 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
17749 recompile_files, read_repo_files, demangle_new_symbols,
17750 scan_linker_output): Constify a char*.
17751 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
17752 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
17754 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
17756 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
17757 (relative) rather than jsr (absolute) subroutine call insns.
17758 * config/m68k/m68k-coff.h: Ditto.
17760 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
17762 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
17763 now rework these too.
17764 (arm_reorg): If an insn can't reach the end of the current pool,
17765 ensure that we emit that pool before the insn.
17767 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
17769 * tlink.c (scan_linker_output): Skip the initial underscore in
17770 a mangled name if appropriate.
17772 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17774 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
17775 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
17776 error_with_ivar, gen_declarator, create_builtin_decl,
17777 my_build_string, generate_descriptor_table, generate_ivars_list,
17778 generate_dispatch_table, check_protocols, TAG_GETCLASS,
17779 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
17780 dump_base_name, lang_decode_option, build_encode_expr,
17781 start_class, finish_class, encode_pointer, really_start_method,
17782 gen_declaration, dump_interface, handle_class_ref, handle_impent):
17784 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
17785 Add static prototypes.
17786 (build_objc_string_decl, build_selector_reference_decl,
17787 encode_bitfield, build_class_reference_decl): Remove unused
17788 parameter, all callers changed.
17789 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
17790 (objc_printable_name): Likewise. Change second parameter to type int.
17791 (init_objc): Use memcpy, not bcopy, to avoid casts.
17793 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
17795 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
17796 reg notes on a deleted insn.
17797 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
17799 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
17801 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
17803 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17805 * stmt.c (expand_asm_operands): Fix index into inout_mode when
17808 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
17810 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
17811 * tm.texi (MD_ASM_CLOBBERS): Document it.
17813 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
17815 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
17816 * except.c (expand_rethrow): Remove unused variable.
17817 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
17818 * flow.c (replace_insns): Likewise.
17819 (create_edge_list, verify_edge_list): Likewise.
17820 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
17822 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
17823 is special code to run.
17824 (main): Don't define operands to emit_operand.
17825 * genrecog.c (main): Don't emit an empty peephole2_insn function.
17827 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
17829 * alpha/alpha.h (normal_memory_operand): Declare.
17830 (reg_no_subreg_operand): Declare.
17831 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
17833 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
17835 * c-parse.in (compstmt_primary_start): New, broken out of first
17836 part of compstmt handling in primary.
17837 (primary): Use it. Add an error clause.
17838 (compstmt_nostart): Renamed from compstmt; remove all
17839 initial invocations of compstmt_start.
17842 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
17844 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
17847 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
17849 * combine.c (simplify_shift_const): Remove extra semicolon.
17850 * dwarf2out.c (remove_AT): Likewise.
17851 * expmed.c (expand_mult): Likewise.
17852 * gcov.c (create_program_flow_graph): Likewise.
17853 * reorg.c (mostly_true_jump): Likewise.
17855 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
17857 * fold-const.c (fold_range_test): Do not try to fold the range
17858 test if the rhs or lhs has side effects.
17860 * combine.c (simplify_rtx): Recognize another case of a synthesized
17863 * varasm.c (mark_constant_pool): When marking indirect references,
17864 only look at SYMBOL_REFs.
17866 * except.c (expand_fixup_region_end): Do not peek at
17867 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
17869 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
17871 * flags.h: New variables align_loops, align_loops_log,
17872 align_jumps, align_jumps_log, align_labels, align_labels_log,
17873 align_functions, align_functions_log.
17874 * toplev.c: Define them.
17875 (f_options): Handle -falign-* when they have no argument.
17876 (main): Add logic to set variables for -falign-functions,
17877 -falign-jumps, -falign-labels, -falign-loops.
17878 Make it -fsched-verbose=<n> and -finline-limit=<n>.
17879 (display_help): Change help to match options.
17880 * final.c (LABEL_ALIGN): Default to align_labels_log.
17881 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
17882 (LOOP_ALIGN): Default to align_loops_log.
17883 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
17884 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
17885 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
17886 * varasm.c (assemble_start_function): Handle align_functions.
17888 * config/sparc/sparc.h: Don't declare sparc_align_*.
17889 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
17890 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
17892 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
17894 * config/sparc/sparc.c: Delete sparc_align_loops,
17895 sparc_align_jumps, sparc_align_funcs and the corresponding string
17897 (sparc_override_options): Default align_functions on ultrasparc.
17898 Delete -malign-* handling.
17900 * config/mips/mips.c (override_options): On 64-bit targets,
17901 try to align code to 64-bit boundaries.
17902 (print_operand): New substitution, %~,
17903 which aligns labels to align_labels_log.
17904 * config/mips/mips.md (div_trap_normal): Use %~.
17905 (div_trap_mips16): Likewise.
17907 (absdi2): Likewise.
17908 (ffssi2): Likewise.
17909 (ffsdi2): Likewise.
17910 (ashldi3_internal): Likewise.
17911 (ashrdi3_internal): Likewise.
17912 (lshrdi3_internal): Likewise.
17913 (casesi_internal): Likewise.
17915 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
17917 Merge new ia32 backend from the branch!
17919 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
17920 See ChangeLog.P2 on new_ia32_branch for details.
17922 * rtl.h (stack_regs_mentioned_p): Delete prototype.
17923 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
17924 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
17925 * i386/gas.h (ASM_FILE_START): Define.
17926 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
17927 for name change of ix86_valid_decl_attribute_p.
17928 (i386_pe_valid_type_attribute_p): Similarly.
17930 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
17932 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
17933 to step through CC modes.
17935 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17937 * regmove.c (fixup_match_1): Don't move INSN in front of P if
17938 it would end up in the shadow of a live flags regsiter.
17940 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17942 * reload1.c: Fix many indentation problems.
17943 * reload.c: Likewise.
17945 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
17947 * alias.c (non_local_reference_p): Constify fmt.
17949 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
17951 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
17953 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
17955 * cse.c (delete_trivially_dead_insns): Do not delete stores to
17956 the internal_arg_pointer.
17958 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
17960 Merge peephole2 from new_ia32_branch:
17961 * Makefile.in (STAGESTUFF): Add *.peephole2.
17962 (mostlyclean): Likewise.
17963 (recog.o): Depend on resource.h.
17965 * final.c (peephole): Conditionalize decl on HAVE_peephole.
17966 (final_scan_insn): Likewise for the invocation of peephole.
17967 * genconfig.c (main): Look for peephole and peephole2 patterns.
17968 Emit HAVE_peephole* accordingly.
17969 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
17970 * flags.h (flag_peephole2): Declare.
17971 * toplev.c: New pass peephole2. New flag -fpeephole2.
17973 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
17974 * gencodes.c (main): Likewise.
17975 * genextract.c (main): Likewise.
17976 * genoutput.c (main): Likewise.
17977 * genemit.c (max_operand_1): Look for the max scratch operand.
17978 (gen_rtx_scratch): New.
17979 (gen_exp): Use it, and pass on new arg subroutine_type.
17980 (gen_expand): Take max scratch into account.
17981 (gen_split): Emit peephole2 functions.
17982 (output_peephole2_scratch): New.
17983 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
17984 * genrecog.c (routine_type): Add PEEPHOLE2.
17986 (make_insn_sequence): Match outer parallel for peep2. Discard
17987 top level scratches and dups.
17988 (add_to_sequence): New args insn_type and top. Update all callers.
17989 Handle toplevel peep2 matching insns.
17990 (write_subroutine): Handle peep2.
17991 (write_tree_1): Likewise.
17992 (write_tree): Likewise.
17994 (change_state): New arg afterward. Update all callers.
17995 Handle matching separate insns.
17996 * recog.c (recog_next_insn): New.
17997 (peephole2_optimize): New.
17998 * rtl.def (DEFINE_PEEPHOLE2): New.
17999 * resource.c (find_free_register): New argument last_insn. Use it
18000 to find a register available through the entire span.
18001 * resource.h (find_free_register): Update prototype.
18003 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
18005 * i386.c (output_strlen_unroll): Don't write xops[7]
18006 label if it wasn't set.
18008 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
18010 * cpplib.c (struct directive): Const-ify name pointer and
18011 function pointer prototype.
18012 (validate_else, do_define, do_line, do_include, do_undef,
18013 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
18014 do_elif, do_endif, do_sccs, do_assert, do_unassert,
18015 do_warning): Const-ify second arg.
18016 (directive_table): Mark const. Reorder entries by frequency
18017 of usage, record statistics.
18019 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
18021 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
18022 bounds- check RTL accesses if --enable-checking.
18023 (RTVEC_ELT): Bounds check if --enable-checking.
18024 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
18025 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
18026 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
18028 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
18029 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
18031 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
18032 (NOTE_SOURCE_FILE): Use X0STR.
18033 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
18034 MEM_ALIAS_SET): Use X0INT.
18035 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
18036 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
18038 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
18039 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
18040 (rtl_check_failed_bounds, rtl_check_failed_type1,
18041 rtl_check_failed_type2, rtvec_check_failed_bounds): New
18043 (fancy_abort): Fix comment.
18045 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
18046 (cse_insn): Decrement LABEL_NUSES for jump target before
18047 deleting jump insn.
18048 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
18049 * final.c (alter_subreg): Compute regno before changing x to
18050 REG; set REGNO(x) after changing it.
18051 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
18052 notes containing CONST_INTs.
18053 (delete_eh_regions): Use NOTE_EH_HANDLER.
18054 * function.c (put_reg_into_stack): Make reg a MEM before
18056 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
18058 (gen_mem_addressof): Make reg a MEM before initializing it.
18059 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
18061 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
18062 deleting an insn, not after.
18063 (block_alloc): Only look at PATTERN(insn) if we have to, and
18064 only if it's format class 'i'.
18065 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
18066 CONST_INT before using its INTVAL.
18067 * print-rtl.c (print_rtx): Use X0STR.
18068 * regmove.c (fixup_match_1): Don't look at PATTERN of
18069 non-class-'i' insn chain elements.
18070 * reload.c (loc_mentioned_in_p): Take address of
18071 in->fld[1].rtx directly.
18072 * reload1.c (reload): Change reg to a MEM before initializing
18074 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
18076 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
18078 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
18080 * config/mips/mips.c (machine_dependent_reorg): Force a
18081 barrier to output the local constant pool if a barrier hasn't
18082 been found at a natural point in the instruction stream.
18084 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18086 * c-parse.in (language_string): Constify.
18088 * dwarf2out.c (language_string): Remove declaration.
18090 * dwarfout.c (language_string): Likewise.
18092 * toplev.c (language_string, init_parse, finish_parse): Likewise.
18094 * tree.h (language_string, init_parse, finish_parse): Declare.
18096 * i386/sun386.h (language_string): Remove declaration.
18098 * mips.h (language_string): Likewise.
18100 * nextstep.h (language_string): Likewise.
18102 * nextstep21.h (language_string): Likewise.
18104 * rs6000.c (language_string): Likewise.
18106 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18108 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
18109 (getpwd.o): Remove target.
18111 * getpwd.c: Delete file. Its in libiberty now.
18113 * dbxout.c (getpwd): Don't prototype.
18114 * dwarf2out.c (getpwd): Likewise
18115 * dwarfout.c (getpwd): Likewise
18116 * final.c (getpwd): Likewise.
18117 * protoize.c (getpwd): Likewise.
18119 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18121 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
18123 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18125 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
18126 mark_set_resources.
18128 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
18130 * fixinc/Makefile.in (subdir): New.
18131 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
18134 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
18136 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
18137 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
18140 * invoke.texi: Fix typo.
18142 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
18143 changed. Handle autoincrement addressing modes.
18145 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
18146 just like we would the virtual incoming args register when
18149 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
18151 * rs6000.h (ASM_FILE_START): Specify complete filename, including
18152 path, in .file directive.
18154 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
18156 * gcc.texi (External Bugs): Remove obsolete note about Perl on
18159 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
18161 * stdbool.h: Make the typedef name _Bool, with bool a #defined
18164 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18166 * tree.c (tree_code_name): Constify a char*.
18168 * tree.h (tree_code_name, decl_printable_name): Likewise.
18170 * function.h (struct function): Likewise.
18172 * toplev.c (decl_name, decl_printable_name): Likewise.
18174 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
18176 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
18177 (init_objc): Remove function pointer cast.
18179 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18181 * pa.md (interspace_jump): New pattern.
18182 (builtin_longjmp): New expander.
18184 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
18186 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
18187 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
18188 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
18190 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
18192 * jump.c (delete_prior_computation): Also check calls
18193 to constant functions. Don't bother checking for a
18194 REG_UNUSED note before adding it.
18195 (delete_computation): Handle multi-word hard registers
18196 when synthesizing missing REG_DEAD notes for a register
18197 which is both set and used by an insn.
18199 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18201 * loop.c (this_loop_info): New variable.
18202 (loop_has_call, loop_has_volatile, loop_has_tablejump,
18203 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
18205 (prescan_loop, strength_reduce): New argument loop_info. All callers
18207 (scan_loop): New variable loop_info, initialise to address of
18209 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
18210 Delete variable loop_has_multiple_exit targets and replace with
18211 field in this_loop_info.
18212 (find_and_verify_loops): Rename this_loop to this_loop_num.
18213 (strength_reduce): Delete loop_iteration_info. Replace variable
18214 loop_info with function argument of same name.
18215 (insert_bct): Rework test for loop being completely unrolled.
18217 * loop.h (struct loop_info): New fields num, loops_enclosed,
18218 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
18219 has_indirect_jump, and cont. Redefine use of unroll_number.
18220 (loop_unroll_number): Delete.
18222 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
18223 field of loop_info.
18224 (loop_iterations): Delete variable vtop and instead use
18225 loop_info->vtop computed in prescan_loop.
18227 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
18229 * fix-header.c (main): Do not pass a null pointer to strcmp.
18231 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
18233 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
18235 * configure: Rebuilt.
18237 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
18239 * jump.c (jump_optimize_1): Do not delete assignments to
18240 internal_arg_pointer.
18241 * cse.c (delete_trivially_dead_insns): Always consider a set of
18242 the internal_arg_pointer live.
18244 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
18246 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
18247 (update_life_info) [REG_WAS_0]: Search the original insns rather
18248 than the new insns for the note. Fix typos finding note_dest.
18249 If no dest found, discard the note rather than abort.
18250 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
18251 (replace_insns): Remove the old insn list after update_life_info
18254 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
18256 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
18257 sched_analyze_insn.
18258 (sched_analyze_1): Let add_dependence care for not adding dups.
18259 (sched_analyze_2): Likewise.
18260 (add_branch_dependences): Likewise.
18262 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
18264 * i386/winnt.c (export_list): New type.
18265 (exports_head): Rename to
18266 (export_head): this.
18267 (i386_pe_record_exported_symbol): Add is_data flag.
18268 (i386_pe_asm_file_end): Emit directive for exported variables.
18269 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
18271 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
18272 (ASM_DECLARE_OBJECT_NAME): Likewise.
18273 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18274 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
18276 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
18278 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
18280 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
18283 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
18285 * config/openbsd.h: Define SET_ASM_OP.
18286 * tm.texi: cross-reference SET_ASM_OP in the index.
18288 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
18290 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
18291 for a CONST_DOUBLE, at compile time. Initialize rtx_length
18292 and class_narrowest_mode at compile time. Kill init_rtl.
18293 Mark rtx_length, mode_class, mode_size, mode_unit_size,
18294 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
18295 rtx_format as const. Kill all references to EXTRA_CC_MODES or
18297 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
18299 * rtl.h: Declare rtx_length and rtx_format as const.
18300 * machmode.def: Define CC(). Use CC() to define CCmode. If
18301 EXTRA_CC_MODES is defined, expand it here.
18302 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
18303 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
18304 const. Kill all references to EXTRA_CC_MODES.
18306 * toplev.c: Don't prototype or call init_rtl.
18307 * optabs.c: Don't call init_mov_optab.
18308 * genemit.c: Don't generate init_mov_optab. Don't call
18310 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
18312 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
18313 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
18314 genrecog.c: Don't call init_rtl.
18316 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
18317 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
18318 definition of EXTRA_CC_MODES.
18320 * md.texi: Kill ref to EXTRA_CC_NAMES.
18321 * tm.texi: Document new way to define EXTRA_CC_MODES.
18323 * genrecog.c: Do not look up the name of a define_split.
18324 (Unrelated bugfix.)
18326 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
18328 * config/v850/v850.md: Fix typo introduced by previous delta.
18330 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18332 * gcc.c (fatal): Make definition static to match prototype.
18334 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18336 * combine.c (get_last_value): Don't look for earlier sets if the last
18337 known set is somewhere in between the insns being combined.
18339 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
18341 * configure.in: Don't use shell ! to negate exit codes
18342 * configure: Regenerate
18344 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
18346 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
18347 the fact that ALIGN is measured in bits, not bytes.
18349 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
18351 * errors.c: New file; defines functions error, warning, and
18352 fatal, variables have_error and progname.
18353 * errors.h: New file; prototypes and decls for stuff in errors.c.
18355 * Makefile: Add rules to build errors.o and
18356 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
18357 genopinit, genrecog, genextract, genpeep, genattr, and
18358 genoutput with errors.o. Add errors.h to deps of genconfig.o,
18359 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
18360 genpeep.o, genattr.o, and genoutput.o.
18362 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
18363 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
18364 define or prototype fatal. Set progname at beginning of main.
18365 * genoutput.c: Likewise, and don't define or prototype error
18368 * c-typeck.c (c_expand_start_case): Return immediately if exp
18370 * fold-const.c (operand_equal_p): Return immediately if arg1
18371 or arg0 are ERROR_MARKs.
18372 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
18373 fields of type ERROR_MARK when calculating if the record can
18376 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
18377 with much help from Jeffrey A Law and Richard Henderson
18379 * i386.md: In the 6 insns which call output_fix_trunc,
18380 earlyclobber operands[0].
18382 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
18384 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
18385 creating new registers.
18387 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
18389 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
18390 i386_reg_alloc_order, i386_regparm_string,
18391 i386_align_loops_string, i386_align_jumps_string,
18392 i386_align_funcs_string, i386_preferred_stack_boundary_string,
18393 and i386_branch_cost_string as type "const char *".
18394 * i386.c: Define all above strings as type "const char *".
18396 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
18398 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
18399 when emitting alignment padding. Emit padding byte of 0 instead of 4.
18401 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18403 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
18404 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
18406 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
18408 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
18409 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
18410 (dwarf2out_line, dwarf2out_finish): Likewise.
18411 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
18413 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18415 * tree.c (lang_unsave_expr_now) : Correct return type.
18416 * tree.h (lang_unsave_expr_now) : Same.
18418 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
18420 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
18421 instead of duplicating code.
18423 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18425 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
18427 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
18429 * tree.h: fancy_abort always takes three args.
18430 * resource.c: Move include of system.h before toplev.h.
18432 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
18434 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
18437 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
18439 * system.h: Don't redefine abort or trim_filename.
18440 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
18441 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
18442 whether or not __FUNCTION__ is available.
18443 * tree.h: Duplicate rtl.h's definition of abort, for files
18444 that don't include rtl.h. Delete all code to perform type
18445 checking with a compiler other than GCC.
18446 * varray.h: Delete all code to perform type checking with a
18447 compiler other than GCC. Make VARRAY_CHECK() always evaluate
18448 its arguments exactly once, using a statement expression.
18449 Adjust the VARRAY_<type> accessor macros to match.
18450 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
18451 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
18452 caller's location. Define fatal_insn and fatal_insn_not_found
18453 as macros that use _fatal_insn and _fatal_insn_not_found.
18454 (fancy_abort, trim_filename): Kill prototypes.
18456 * rtl.c (trim_filename): Move here from toplev.c.
18457 (fancy_abort): New function.
18458 (DIR_SEPARATOR): Provide default definition.
18459 * tree.c (tree_check_failed, tree_class_check_failed): Go
18460 through fancy_abort.
18461 (tree_check, tree_class_check, cst_or_constructor_check,
18462 expr_check): Delete.
18463 * varray.c (varray_check_failed): New function.
18464 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
18465 _fatal_insn and _fatal_insn_not_found. Go through
18467 (trim_filename, fancy_abort): Delete.
18469 * builtins.c (expand_builtin_args_info): Report ICE with abort.
18470 * except.c (start_catch_handler): Report ICE with error/abort
18472 * final.c (output_operand_lossage): Likewise.
18473 * flow.c (verify_flow_info): Likewise.
18475 * gcc.c: Prototype fatal.
18476 * gengenrtl.c: Undef abort after including rtl.h not system.h.
18477 * genattr.c, genattrtab.c, genemit.c, genextract.c,
18478 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
18479 Don't define fancy_abort.
18481 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
18483 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
18486 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
18488 * m88k.h (VERSION_INFO2): Kill.
18489 (VERSION_STRING): Kill.
18491 (VERSION_INFO1): Tidy.
18492 (TARGET_VERSION): Update.
18493 * m88k/dgux.h (VERSION_INFO2): Kill.
18494 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
18495 * m88k/luna.h (VERSION_INFO1): Tidy.
18496 * m88k/sysv4.h (VERSION_INFO1): Likewise.
18497 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
18498 (output_file_start): Adjust for death of VERSION_STRING.
18500 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
18502 * cpplib.c (detect_if_not_defined): New function.
18503 (do_if): Use it to detect potential once-only headers.
18505 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
18507 * c-common.c (combine_strings): Always set TREE_CONSTANT.
18509 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18511 * combine.c (nonzero_bits) : Allow single-ly set registers to be
18512 anywere in the function only if they are pseudos and set before
18513 being used (not live at the start of the function).
18514 (num_sign_bit_copies) : Same.
18515 (get_last_value_validate) : Same.
18516 (get_last_value) : Same.
18518 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
18520 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
18521 where N and M are constant and N is an integer multiple of M.
18523 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18525 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
18526 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
18527 sbitmap_union_of_preds): Add prototypes.
18528 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
18529 the intersection of successors with the new flow graph structures.
18530 (sbitmap_intersection_of_preds): New function to compute the
18531 intersection of predecessors with the new flow graph structures.
18532 (sbitmap_union_of_succs): New function to compute the union of
18533 successors with the new flow graph structures.
18534 (sbitmap_union_of_preds): New function to compute the union of
18535 predecessors with the new flow graph structures.
18536 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
18537 (expr_reaches_here_p): Use edge and basic_block structures instead
18538 of s_preds and s_succs.
18539 (compute_cprop_avinout): Use new sbitmap routines.
18540 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
18541 of s_preds and s_succs.
18542 * flow.c (compute_flow_dominators): Compute dominators using
18543 edges and basic blocks instead of s_preds and s_succs.
18545 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18547 * lists.c (unused_insn_list, unused_expr_list): New file for
18548 maintaining various types of lists. New statics for maintaining a
18549 cache of available INSN_LIST and EXPR_LIST nodes.
18550 (free_list): Static function for freeing a list of INSN/EXPR nodes.
18551 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
18552 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
18553 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
18554 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
18555 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
18556 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
18557 (free_INSN_LIST_node): Free an individual INSN_LIST node.
18558 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
18559 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
18560 (remove_dependence, free_pending_lists): Use new global routines.
18561 (flush_pending_lists, sched_analyze_insn): Use new global routines.
18562 (sched_analyze, compute_block_backward_dependences): Use new routines.
18563 (sched_analyze_1, sched_analyze_2): Use new routines.
18564 (schedule_insns): Use new global routines.
18565 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
18567 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
18568 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
18570 * toplev.c (rest_of_compilation): Initialize node cache.
18571 * Makefile.in (OBJS): Add lists.o to list of object files.
18572 (lists.o): Add dependancies.
18574 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
18576 * config/v850/v850.md: Fix compile time warning messages.
18577 * config/v850/v850.c: Fix compile time warning messages.
18578 * config/v850/v850.h: Fix compile time warning messages.
18580 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18582 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
18583 Remove unused prototype for `init_lengths'.
18585 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18587 * calls.c (emit_call_1): Mark parameter `stack_size' with
18589 (expand_call): Initialize variable `insn'.
18590 (emit_library_call): Likewise for variable `high_to_save'.
18591 (emit_library_call_value): Likewise.
18592 (store_one_arg): Likewise for variables `lower_bound' and
18595 * combine.c (try_combine): Likewise for variables `i2_code_number'
18596 and `other_code_number'.
18597 (find_split_point): Likewise for variables `pos', `unsignedp' and
18599 (simplify_if_then_else): Likewise for variables `op' and `c1'.
18600 (simplify_and_const_int): Remove unused variable `width'.
18601 (merge_outer_ops): Likewise.
18603 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
18604 HOST_WIDE_INT' when comparing against one.
18605 (simplify_relational_operation): Likewise.
18606 (cse_insn): Initialize variables `src_eqv_volatile',
18607 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
18609 * final.c (init_final): Constify parameter `filename'.
18610 (final_start_function): Mark parameter `optimize' with
18612 (profile_function): Likewise for parameters `first' and `optimize'.
18613 (output_source_line): Likewise for parameter `file'.
18615 * integrate.c (subst_constants): Cast a value to `size_t' when
18616 comparing against one.
18617 (mark_stores): Initialize variable `mode'. Cast a value to
18618 `size_t' when comparing against one.
18620 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
18622 * loop.c (move_movables): Initialize variable `first'.
18623 (strength_reduce): Likewise for variable `increment'.
18624 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
18625 value to `size_t' when comparing against one.
18626 (load_mems): Initialize variable `end_label'.
18628 * output.h (init_final): Constify parameter.
18630 * reload.c (decompose): Initialize variable `base'.
18632 * reload1.c (reload): Likewise for variable `is_scalar'.
18633 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
18634 (choose_reload_regs): Initialize variable `mode'.
18635 (emit_reload_insns): Likewise for variable `store_insn'.
18636 (reload_cse_noop_set_p): Mark parameter `insn' with
18638 (reload_combine): Initialize variable `set'.
18640 * unroll.c (unroll_loop): Likewise for variable `local_label'.
18641 (copy_loop_body): Cast a value to `size_t' when comparing against
18644 * varasm.c (assemble_variable): Initialize variable `size_tree'.
18645 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
18646 (remove_from_pending_weak_list): Mark parameter `name' with
18649 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18651 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
18654 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
18656 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
18657 (ASM_DECLARE_FUNCTION_NAME): Define.
18658 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
18659 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
18660 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
18661 not already defined.
18663 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18665 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
18666 of n_popped when call/call_value are not defined.
18668 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
18670 * tm.texi: GNU CC -> GCC conversion.
18671 (CC1_SPEC): Indicate it is used for all language front ends.
18673 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
18675 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
18676 NOTE_INSN_EH_REGION_END correctly.
18678 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18679 Jeff Law <law@cygnus.com>
18681 * loop.c (strength_reduce): Automatically unroll loops if the
18682 unrolled loop size is smaller than the rolled loop size.
18684 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
18685 and delete comment that code should be rewritten.
18687 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
18689 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
18692 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
18694 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
18696 * fixinc/mkfixinc.sh: Don't fix uwin headers.
18697 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
18698 (LINK_SPEC): Add -u _main when building executables.
18699 (ASM_DECLARE_FUNCTION): Update from Cygwin.
18700 (ASM_FILE_END): Use the default for ix86-pe.
18701 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
18703 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
18705 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
18706 and ASM_CLOSE_PAREN are empty strings.
18708 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
18709 Geoffrey Keating <geoffk@cygnus.com>
18711 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
18712 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
18713 (unprotoize.o): Ditto.
18714 (test-protoize-simple): Don't define STD_PROTO_DIR.
18715 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
18716 changes to make 'test-protoize-simple' pass.
18717 (STD_PROTO_DIR): Remove define.
18718 (STANDARD_EXEC_PREFIX): Supply default define.
18719 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
18720 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
18721 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
18722 (GET_ENV_PATH_LIST): New macro.
18723 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
18724 (do_processing): Initialize default_syscalls_dir using new
18725 macros. Use it to initialize syscalls_absolute_filename.
18727 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
18729 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
18730 B into a register before emit_conditional_move.
18732 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
18734 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
18735 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
18736 multiplicand out of (+ (* a b) (* c d)).
18738 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
18739 Richard Henderson <rth@cygnus.com>
18741 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
18742 (new_insn_dead_notes): Likewise.
18743 (update_n_sets): Likewise.
18744 (update_flow_info): Move to flow.c, renamed to update_life_info;
18745 extend to handle multiple source insns.
18746 * flow.c: Include resource.h
18747 (unlink_insn_chain): New.
18748 (split_hard_reg_notes): New.
18749 (maybe_add_dead_note): New.
18750 (maybe_add_dead_note_use): New.
18751 (find_insn_with_note): New.
18752 (new_insn_dead_notes): New.
18753 (update_n_sets): New.
18754 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
18755 (maybe_remove_dead_notes): New.
18756 (update_life_info): New.
18757 (prepend_reg_notes): New.
18758 (replace_insns): New.
18759 * output.h (update_life_info): Declare.
18760 * recog.c (split_block_insns): Use update_life_info.
18761 * resource.c (find_free_register): Use reg_alloc_order, don't use
18762 fixed regs, make sure the mode is supported, don't use new regs.
18764 * rtl.h (replace_insns): Declare.
18766 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
18768 * expr.c (expand_expr): Cope with COND_EXPRs with one
18769 non-returning branch.
18771 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
18773 * expr.c (store_expr): Always pass down the target, even when not
18776 1999-08-24 Nick Clifton <nickc@cygnus.com>
18778 * configure.in: Define target_cpu_default for v850 targets.
18779 * configure: Regenerate
18781 * config/v850/v850.h (TARGET_CPU_generic): Define.
18782 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
18783 addresses are 4 byte aligned.
18785 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
18788 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18790 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
18791 (main): Add prototypes.
18793 * genattrtab.c (substitute_address, write_const_num_delay_slots,
18794 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
18795 (write_attr_get): Emit prototypes along with function definition.
18796 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
18797 (write_complex_function): Emit static prototype along with
18798 function definition.
18800 * genemit.c (gen_split): Emit prototypes along with function
18803 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
18804 Likewise for predicates and `insn_operand_predicate'.
18805 (process_template): Emit static prototype along with function
18808 * genrecog.c (make_insn_sequence): Constify a char*. Add
18809 prototypes for get_split_*().
18810 (write_subroutine): Emit prototypes along with function
18813 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18815 * gcse.c (find_avail_set): Follow chains of register-register copies.
18816 Use oprs_not_set_p to guarantee that the returned value can be
18818 (cprop_insn): Don't verify the return value of find_avail_set with
18821 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
18822 (cprop_cc0_jump): New function.
18823 (cprop_insn): Break out new function cprop_jump and use it.
18824 Also use cprop_cc0_jump for machines with CC0.
18825 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
18827 * tree.h (current_function_calls_setjmp,
18828 current_function_calls_longjmp): Delete declarations.
18829 * dsp16xx.c: Include "function.h".
18830 * elxsi.c: Likewise.
18831 * gmicro.c: Likewise.
18832 * h8300.c: Likewise.
18833 * i370.c: Likewise.
18834 * m32r.c: Likewise.
18835 * mn10200.c: Likewise.
18836 * mn10300.c: Likewise.
18837 * ns32k.c: Likewise.
18838 * spur.c: Likewise.
18839 * v850.c: Likewise.
18841 * rtl.h (rtx_equal_function_value_matters): Declare.
18842 * toplev.c (rtx_equal_function_value_matters): Don't declare.
18844 * function.c: Likewise.
18845 * emit-rtl.c: Likewise.
18847 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
18849 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
18852 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18854 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
18857 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
18859 * cpp.texi: Add a node documenting macro varargs (copied
18862 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
18864 * cppspec.c: Put a null pointer at the end of the new argv.
18866 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
18868 * configure.in: Remove code to select/de-select the haifa
18869 scheduler. Every scheduled port gets haifa now.
18870 * configure: Rebuilt.
18871 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
18873 * Makefile.in: Corresponding changes.
18875 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18877 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
18878 All callers changed.
18879 (prepare_float_lib_cmp): Likewise.
18880 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
18881 * expr.h (emit_float_lib_cmp): Delete declaration.
18882 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
18883 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
18884 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
18886 (cmptf): Now conditional on TARGET_HARD_QUAD.
18888 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
18890 * resource.c (mark_target_live_regs): Use
18891 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
18893 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18895 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
18897 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
18899 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
18901 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18903 * rtl.h (rtx_format): Constify a char*.
18905 * rtl.c (rtx_format): Likewise.
18906 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
18907 (init_rtl): Use accessor macro, not `rtx_format'.
18909 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
18912 * caller-save.c (mark_referenced_regs): Likewise.
18914 * combine.c (subst, make_compound_operation, known_cond,
18915 gen_rtx_combine, update_table_tick, get_last_value_validate,
18916 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
18918 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
18919 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
18920 count_reg_usage): Likewise.
18922 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
18925 * final.c (leaf_renumber_regs_insn): Likewise.
18927 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
18928 dump_edge_info, count_reg_references): Likewise.
18930 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
18931 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
18934 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
18935 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
18936 add_label_notes): Likewise.
18938 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
18939 clear_struct_flag, count_sub_rtxs, count_alternatives,
18940 compares_alternatives_p, contained_in_p, walk_attr_value,
18941 write_expr_attr_cache): Likewise.
18943 * genconfig.c (walk_insn_part): Likewise.
18945 * genemit.c (max_operand_1, gen_exp): Likewise.
18947 * genextract.c (walk_rtx): Likewise.
18949 * genflags.c (num_operands): Likewise.
18951 * genoutput.c (scan_operands): Likewise.
18953 * genpeep.c (match_rtx): Likewise.
18955 * genrecog.c (add_to_sequence): Likewise.
18957 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
18960 * integrate.c (save_constants, copy_for_inline,
18961 copy_rtx_and_substitute, subst_constants, restore_constants):
18964 * jump.c (mark_jump_label, invert_exp, redirect_exp,
18965 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
18967 * local-alloc.c (contains_replace_regs, memref_referenced_p):
18970 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
18971 add_label_notes, replace_call_address, count_nonfixed_reads,
18972 invariant_p, find_single_use_in_loop, find_mem_givs,
18973 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
18976 * print-rtl.c (reg_names, print_rtx): Likewise.
18978 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
18980 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
18981 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
18982 print_blocks): Likewise.
18984 * regclass.c (fix_register, record_address_regs,
18985 reg_scan_mark_refs): Likewise.
18987 * regmove.c (stable_but_for_p): Likewise.
18989 * reload.c (loc_mentioned_in_p, operands_match_p,
18990 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
18991 copy_replacements, refers_to_regno_for_reload_p,
18992 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
18993 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
18996 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
18997 delete_address_reloads_1, count_occurrences,
18998 reload_cse_mem_conflict_p, reload_combine_note_use,
18999 add_auto_inc_notes): Likewise.
19001 * resource.c (mark_referenced_resources, mark_set_resources):
19004 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
19005 reg_mentioned_p, regs_set_between_p, modified_between_p,
19006 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
19007 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
19008 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
19009 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
19011 * sched.c (sched_analyze_2, attach_deaths): Likewise.
19013 * stupid.c (stupid_mark_refs): Likewise.
19015 * unroll.c (remap_split_bivs): Likewise.
19017 * varasm.c (mark_constants): Likewise.
19019 * a29k/a29k.c (uses_local_reg_p): Likewise.
19021 * alpha/alpha.c (summarize_insn): Likewise.
19023 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
19024 eliminate_lr2ip): Likewise.
19026 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
19028 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
19029 reg_mentioned_in_mem): Likewise.
19031 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
19032 symbolic_reference_mentioned_p): Likewise.
19034 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
19036 * sh/sh.c (regs_used, mark_use): Likewise.
19038 * vax/vax.c (vax_rtx_cost): Likewise.
19040 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19042 * machmode.h (mode_name): Constify a char*.
19044 * rtl.c (mode_name): Likewise.
19046 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
19048 * optabs.c (init_libfuncs): Constify a char*.
19050 * print-tree.c (mode_name): Remove redundant declaration.
19051 (print_node): Use accessor macro, not `mode_name'.
19053 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
19055 (new_spill_reg): Constify a char*.
19057 * tree.c (mode_name): Remove redundant declaration.
19059 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19061 * rtl.c (rtx_name): Constify a char*.
19063 * rtl.h (rtx_name, fix_sched_param): Likewise.
19065 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
19066 (mypr): Use accessor macro, not `rtx_name'.
19068 * genemit.c (print_code): Constify a char*.
19070 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
19072 * genpeep.c (print_code): Constify a char*.
19074 * genrecog.c (print_code): Likewise.
19076 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
19077 end_bb): Add static prototype.
19078 (draw_edge): Constify a char*.
19079 (end_bb): Remove unused parameter.
19081 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
19082 print_block_visualization): Constify a char*.
19084 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
19086 * c-common.c (c_get_alias_set): Update comment.
19088 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19090 * linux.h (LIB_SPEC): Added.
19092 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19094 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
19096 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
19098 * tree.c (expr_check): Fix typo in last change.
19100 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
19102 * rtl.def (NOTE): Change format to "iuu0n".
19103 (ADDR_DIFF_VEC): Change format to "eEee0".
19104 (ADDRESSOF): Change format to "eit".
19106 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
19107 (RTVEC_ELT): Change to match.
19108 (XVECEXP): Use XVEC and RTVEC_ELT.
19109 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
19110 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
19111 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
19112 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
19113 TRAP_CONDITION, TRAP_CODE): Use XEXP.
19114 (INTVAL): Use XWINT.
19115 (ADDRESSOF_DECL): Use XTREE.
19116 (SET_ADDRESSOF_DECL): Delete.
19117 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
19118 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
19119 ifdefed out since 2.6 at least.
19120 (gen_rtvec_vv): Delete prototype.
19122 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
19124 (copy_most_rtx): Handle 't' format letter.
19125 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
19126 (gen_rtvec_vv): Delete function. All callers changed to use
19127 gen_rtvec_v instead.
19128 * print-rtl.c (print_rtx): Move special casing of NOTEs to
19129 the '0' format letter.
19131 * function.c (gen_mem_addressof): Don't use
19132 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
19134 * integrate.c (copy_rtx_and_substitute): Likewise.
19135 Copy 't' slots with XTREE.
19136 (subst_constants): Treat 't' slots like '[swi]' slots.
19137 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
19138 * jump.c (rtx_equal_for_thread_p): Likewise.
19139 * rtlanal.c (rtx_equal_p): Likewise.
19140 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
19141 only four arguments.
19142 * gengenrtl.c (type_from_format): Provide correct types for
19146 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
19147 If a recent gcc is in use (always in stage2 and beyond), use
19148 statement expressions, so we don't make a function call unless
19149 the check fails. Evaluate arguments exactly once.
19150 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
19151 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
19153 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
19154 they evaluate their arguments exactly once, irrespective of
19155 the compiler in use.
19157 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
19158 is used by the currently-enabled check macros. This is:
19159 (tree_check_failed, tree_class_check_failed): For gcc.
19160 (tree_check, tree_class_check, cst_or_constructor_check,
19161 expr_check): For other compilers.
19163 * gencheck.c: Do not define any *_CHECK1 macros.
19165 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
19166 Mark Mitchell <mark@codesourcery.com>
19168 * c-common.c (c_get_alias_set): Fix support for poitners and
19171 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
19173 * alias.c: Include tree.h.
19174 (nonlocal_reference_p, mark_constant_function): New functions.
19175 * flow.c (life_analysis): Call mark_constant_function.
19176 * rtl.h (mark_constant_function): Declare it.
19178 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
19180 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
19181 unrecognisable switches.
19183 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19185 * loop.c (recombine_givs): Set ix field after sorting.
19186 (recombine_givs): Remove bogus index / giv lockstep looping.
19188 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19190 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
19192 (emit_store_flag_force): Use do_compare_rtx_and_jump.
19193 (do_cmp_and_jump): Formatting fixes.
19194 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
19195 do_compare_rtx_and_jump instead of compare_from_rtx.
19196 (do_compare_rtx_and_jump): New function; mostly copied from
19198 (do_jump_for_compare): Delete.
19199 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
19201 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
19202 of compare/do_jump_for_compare pairs.
19203 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
19204 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
19205 compare_from_rtx/do_jump_for_compare pairs.
19206 (do_jump_by_parts_equality): Likewise.
19207 (do_jump_by_parts_equality_rtx): Likewise.
19208 * expr.h (do_compare_rtx_and_jump): Declare.
19209 * optabs.c (prepare_cmp_insn): New function, contains most of the code
19210 that used to be in emit_cmp_insn.
19211 (cmp_available_p): New function.
19212 (prepare_operand): New function.
19213 (emit_cmp_and_jump_insn_1): New function, contains some code that used
19214 to be in emit_cmp_insn.
19215 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
19216 parameters to be pointers; don't emit final compare but modify some of
19217 the values pointed to by the args so the caller can perform the
19218 correct comparison.
19219 (expand_binop): Call emit_store_flag_force with signed forms of
19221 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
19222 emit_jump_insn pair.
19223 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
19224 emit_cmp_and_jump_insn_1. Call emit_queue.
19225 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
19227 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
19228 jump sets cc0 before deleting it.
19229 * integrate.c (expand_inline_function): Likewise.
19230 * unroll.c (unroll_loop): Similar changes in several places.
19231 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
19232 before deleting it.
19234 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19236 * Makefile.in (insn-recog.o): Update dependencies.
19237 * genrecog.c (main): Make generated file include "function.h".
19239 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
19241 * cse.c (cse_insn): Call never_reached_warning when a jump is
19242 changed to be unconditional.
19243 * flags.h: Declare warn_notreached.
19244 * flow.c (delete_block): Call never_reached_warning when
19245 a block is deleted.
19246 * jump.c (delete_barrier_successors): Call never_reached_warning
19247 when we delete everything after a BARRIER.
19248 (never_reached_warning): New function.
19249 * rtl.h: Declare never_reached_warning.
19250 * toplev.c (warn_notreached): New variable.
19251 (lang_independent_options): Set warn_notreached
19252 when -Wunreachable-code.
19253 (compile_file): We need line numbers for -Wunreachable-code.
19255 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
19257 * haifa-sched.c (insn_unit): Fix typo on out of range test.
19258 * sched.c (insn_unit): Likewise.
19260 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
19262 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
19264 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19266 * flow.c (create_edge_list): Use xmalloc, not malloc.
19268 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
19270 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
19271 C-style comments. Do not lose the character before double slash.
19273 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19275 * basic-block.h (struct edge_list): Stucture to maintain a vector
19277 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
19278 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
19279 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
19280 New function prototypes.
19281 * flow.c (create_edge_list): Function to create an edge list.
19282 (free_edge_list): Discards memory used by an edge list.
19283 (print_edge_list): Debug output showing an edge list.
19284 (verify_edge_list): Internal consistency check for an edge list.
19285 (find_edge_index): Function to find an edge index for a pred and succ.
19287 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
19289 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
19292 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
19294 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
19296 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19298 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
19300 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
19302 * toplev.c (rest_of_compilation): Allow machine dependent
19303 reorganisation pass to place information into the RTL dump
19304 file if it so wishes.
19306 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
19308 * explow.c (hard_function_value): Use VOIDmode instead of
19310 * stmt.c (expand_return): Likewise.
19311 * stor-layout.c (get_best_mode): Likewise.
19313 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
19314 emit call instead of emit_insn call.
19316 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19318 * configure.in: Handle --disable/enable-win32-registry.
19319 * install.texi: Document --disable/enable-win32-registry.
19320 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
19321 (WIN32_REGISTRY_KEY): New macro.
19322 * prefix.c: Use to enable/disable win32-specific code.
19323 (lookup_key): Use versioned key.
19324 * configure: Regenerate.
19325 * config.in: Likewise.
19327 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
19329 * cpplib.c (read_line_number): New fn, split out of...
19332 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19334 tree.c (lang_unsave_expr_now) : New.
19335 (unsave_expr_now): Call lang_unsave_expr_now.
19336 tree.h (lang_unsave_expr_now) : New.
19338 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
19340 * toplev.c (flag_new_exceptions): On by default.
19342 1999-08-13 Michael Meissner <meissner@cygnus.com>
19344 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
19346 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19348 * dwarfout.c (fundamental_type_code): Return FT_boolean for
19349 INTEGER_TYPE with precision==1, it's __java_boolean.
19351 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19353 * global.c (prune_preferences): Move some invariants out of the
19356 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
19358 * configure.in (alpha*-dec-osf*): Add osf5.
19360 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
19362 * configure.in: Rework handling of ARM GNU/Linux slightly.
19363 (arm*-*-linux-gnuoldld): New target.
19364 * configure: Regenerate.
19365 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
19366 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
19367 * config/arm/linux-oldld.h: New file.
19368 * config/arm/linux-elf26.h: Don't include linux-elf.h.
19369 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
19371 * config/arm/linux-elf.h (ASM_SPEC): Define.
19372 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
19373 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
19374 for 26-bit APCS and old linker.
19375 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
19377 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
19378 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
19379 don't define `arm' or `arm_elf'.
19380 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
19381 MULTILIB_DIRNAMES): Define. Fix typo in comment.
19383 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
19385 * rtl.texi: Fix typo.
19387 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
19389 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
19391 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
19393 * extend.texi (C++ Signatures): Remove node.
19394 * invoke.texi: Remove discussion of -fhandle-signatures,
19395 signature, sigof, __signature__, and __sigof__.
19397 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
19399 * Makefile.in (JAVAGC): Removed.
19401 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
19403 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19405 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
19407 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19409 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
19411 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
19412 a register that is already known to be a pointer.
19414 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
19416 * fixinc/inclhack.tpl: Only install assert.h conditionally.
19417 * fixinc/inclhack.sh: Regenerated.
19418 * fixinc/fixincl.sh: Regenerated.
19420 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
19422 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
19423 Fix documentation of -ansi flag to describe its C++ behavior.
19424 Remove bogus reference to GCC 2.9.
19426 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
19428 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
19429 note if it is non-NULL.
19431 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19433 * except.h (eh_nesting_info): Add new structure defintion.
19434 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
19435 (reachable_handlers, update_rethrow_references): Add function
19437 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
19438 a rethrow symbol instead of an integer exception region number.
19439 * flow.c (Make_edges): Use new exception nesting routines to determine
19440 which handlers are reachable from a CALL or asynchronous insn.
19441 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
19443 (delete_eh_regions): Update rethrow labels, and don't delete
19444 regions which are the target of a rethrow.
19445 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
19446 avoid overloading the SYMBOL_REF_USED flag.
19447 (rethrow_symbol_map): Use new rethrow_ref field.
19448 (rethrow_used): Use new rethrow_ref field.
19449 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
19450 of an integer. Fix formatting.
19451 (output_exception_table_entry): Use new rethrow_ref field.
19452 (can_throw): Check for EH_REGION_NOTE before deciding
19453 whether a CALL can throw or not.
19454 (scan_region): Call rethrow_used() instead of accessing data structure.
19455 (update_rethrow_references): New function to make sure only regions
19456 which are still targets of a rethrow are flagged as such.
19457 (process_nestinfo): New static function to initialize a handler
19458 list for a specific region.
19459 (init_eh_nesting_info): New function to allocate and initialize
19460 the list of all EH handlers reachable from all regions.
19461 (reachable_handlers): New function to retrieve the list of handlers
19462 reachable from a specific region and insn.
19463 (free_eh_nesting_info): New function to dispose of a list of
19464 reachable handlers.
19466 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19468 * flow.c (split_edge): Set JUMP_LABEL field.
19469 (commit_one_edge_insertion): Set head correctly for insert_before.
19470 When inserting insns, update insn block numbers if allocated.
19472 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19474 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
19475 retry_incomplete_types): Add static prototype.
19476 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
19477 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
19478 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
19479 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
19480 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
19483 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
19484 dwarf2out_start_source_file, dwarf2out_line): Likewise.
19486 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19488 * output.h (assemble_name): Constify a char*.
19490 * varasm.c (UNIQUE_SECTION, assemble_start_function,
19491 assemble_variable, assemble_name): Likewise.
19493 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
19495 * arm/pe.c (arm_pe_unique_section): Likewise.
19497 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
19499 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
19501 * i386/interix.c (i386_pe_unique_section): Likewise.
19503 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
19505 * i386/winnt.c (i386_pe_unique_section): Likewise.
19507 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
19509 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
19511 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
19513 * pa/pa.c (output_call): Likewise.
19515 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
19517 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
19519 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
19522 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
19525 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
19527 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
19528 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
19530 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
19532 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19534 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
19536 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19538 * tree.h (lang_identify): Constify a char*.
19539 (print_error_function): Add extern prototype. Constify a char*.
19541 * c-lang.c (lang_identify): Constify a char*.
19543 * objc/objc-act.c (lang_identify): Constify a char*.
19545 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19547 * genpeep.c (main): Make generated file include "function.h".
19548 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
19550 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19552 * Makefile.in: Update dependencies.
19553 * alias.c: Include "function.h"
19554 * c-decl.c: Likewise.
19555 * caller-save.c: Likewise.
19556 * calls.c: Likewise.
19557 * combine.c: Likewise.
19559 * explow.c: Likewise.
19560 * final.c: Likewise.
19561 * global.c: Likewise.
19562 * graph.c: Likewise.
19563 * local-alloc.c: Likewise.
19564 * loop.c: Likewise.
19565 * optabs.c: Likewise.
19566 * profile.c: Likewise.
19567 * recog.c: Likewise.
19568 * regclass.c: Likewise.
19569 * regmove.c: Likewise.
19570 * reload.c: Likewise.
19571 * reorg.c: Likewise.
19572 * resource.c: Likewise.
19573 * sched.c: Likewise.
19574 * stupid.c: Likewise.
19575 * config/1750a/1750a.c: Likewise.
19576 * config/a29k/a29k.c: Likewise.
19577 * config/arc/arc.c: Likewise.
19578 * config/arm/arm.c: Likewise.
19579 * config/arm/thumb.c: Likewise.
19580 * config/c4x/c4x.c: Likewise.
19581 * config/clipper/clipper.c: Likewise.
19582 * config/convex/convex.c: Likewise.
19583 * config/fx80/fx80.c: Likewise.
19584 * config/i860/i860.c: Likewise.
19585 * config/m68k/m68k.c: Likewise.
19586 * config/m88k/m88k.c: Likewise.
19587 * config/mips/mips.c: Likewise.
19588 * config/pdp11/pdp11.c: Likewise.
19589 * config/pyr/pyr.c: Likewise.
19590 * config/romp/romp.c: Likewise.
19591 * config/sh/sh.c: Likewise.
19592 * config/tahoe/tahoe.c: Likewise.
19593 * config/vax/vax.c: Likewise.
19594 * config/we32k/we32k.c: Likewise.
19595 * config/sparc/sparc.c: Include "function.h".
19596 (mem_min_alignment): Test current_function rather than
19597 regno_pointer_align.
19598 * config/pa/pa.c: Likewise.
19599 (compute_frame_size): Delete declaration of
19600 current_function_outgoing_args_size.
19601 * config/arc/arc.h (current_function_varargs): Delete declaration.
19602 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
19604 * config/i370/i370.h (current_function_outgoing_args_size): Delete
19606 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
19607 current_function_uses_pic_offset_table.
19608 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
19609 of current_function_returns_pointer.
19610 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19611 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19612 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19613 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19614 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19615 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
19616 * config/m88k/m88k.c: Include "function.h"
19617 (call_used_regs, current_function_pretend_args_size,
19618 current_function_outgoing_args_size, frame_pointer_needed): Delete
19620 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
19622 * config/mips/mips.h (current_function_calls_alloca): Delete
19624 * config/mn10200/mn10200.h (current_function_needs_context,
19625 rtx_equal_function_value_matters): Delete declarations.
19626 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
19627 flag_pic): Delete declarations.
19628 * config/pa/pa.h (current_function_pretend_args_size,
19629 current_function_decl): Delete declarations.
19630 * config/pa/som.h (current_function_varargs): Delete declaration.
19631 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
19633 * config/pyr/pyr.h (current_function_pretend_args_size,
19634 current_function_args_size, current_function_calls_alloca): Delete
19636 * config/sh/sh.h (current_function_varargs): Delete declaration.
19637 * config/sparc/sparc.h (current_function_outgoing_args_size,
19638 current_function_calls_alloca, current_function_decl): Delete
19640 * config/spur/spur.h (current_function_pretend_args_size,
19641 current_function_calls_alloca): Delete declarations.
19642 * config/v850/v850.c (current_function_outgoing_args_size): Delete
19644 * config/vax/vms.h (current_function_name): Delete declaration.
19645 * gcse.c: Include "function.h".
19646 (current_function_name, current_function_calls_setjmp): Delete
19648 * haifa-sched.c: Include "function.h".
19649 (forced_labels): Delete declaration.
19650 * jump.c: Likewise.
19651 * reg-stack.c: Likewise.
19652 * reload1.c: Likewise.
19653 * genemit.c (main): Make generated file include function.h.
19654 * genoutput.c (output_prologue): Likewise.
19656 * builtins.c (saveregs_value, apply_args_value): Delete variables.
19657 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
19658 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
19659 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
19660 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
19661 macros for some of them.
19662 (emit_filename, emit_lineno): Delete declarations.
19663 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
19664 regno_pointer_* variables through current_function.
19665 (gen_inline_header_rtx): Delete function.
19666 (save_emit_status): Delete function.
19667 (set_new_last_label_num): New function.
19668 (clear_emit_caches): New function.
19669 (restore_emit_status): Just clear last_labelnum and call
19671 (get_last_insn_anywhere): Variable sequence_stack is now accessed
19672 through macro seq_stack.
19673 (add_insn_after): Likewise.
19674 (add_insn_before): Likewise.
19675 (remove_insn): Likewise.
19676 (pop_topmost_sequence): Likewise.
19677 (in_sequence_p): Likewise.
19678 (start_sequence_for_rtl_expr): Likewise.
19679 (start_sequence): Likewise, and likewise for
19680 sequence_rtl_expr/seq_rtl_expr.
19681 (push_topmost_sequence): Likewise.
19682 (end_sequence): Likewise.
19683 (init_virtual_regs): Now takes a "struct emit_status *" argument.
19684 All callers changed. Store into that pointer instead of globals.
19685 (init_emit): Allocate emit elt of current_function.
19686 Changes for sequence_rtl_expr/sequence_stack renaming.
19687 Call clear_emit_caches instead of doing it in-line.
19688 Access regno_pointer_* variables through current_function.
19689 (init_emit_once) Don't clear sequence_stack.
19691 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
19693 (arg_pointer_save_area): Delete declaration.
19694 (finish_expr_for_function): Renamed from init_queue; no longer static.
19695 (init_expr): Don't call init_queue.
19696 (save_expr_status, restore_expr_status): Delete functions.
19697 (expand_expr): Changes to reflect new layout of struct function.
19698 Don't access current_function_check_memory_usage when current_function
19700 * expr.h (forced_labels, save_expr_regs, saveregs_value,
19701 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
19702 current_function_outgoing_args_size, current_function_arg_offset_rtx,
19703 current_function_uses_const_pool, function_call_count,
19704 current_function_uses_pic_offset_table, nonlocal_labels,
19705 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
19706 current_function_check_memory_usage, nonlocal_goto_handler_slots,
19707 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
19709 (finish_expr_for_function): Declare.
19710 * flags.h (current_function_has_nonlocal_label,
19711 current_function_has_nonlocal_goto, current_function_is_thunk,
19712 current_function_has_computed_jump): Delete declarations.
19713 * flow.c (forced_labels): Delete declaration.
19714 * function.c (current_function_pops_args,
19715 current_function_returns_struct, current_function_returns_pcc_struct,
19716 current_function_needs_context, current_function_calls_setjmp,
19717 current_function_calls_longjmp, current_function_has_nonlocal_label,
19718 current_function_has_nonlocal_goto, current_function_is_thunk,
19719 current_function_has_computed_jump, current_function_calls_alloca,
19720 current_function_contains_functions, current_function_returns_pointer,
19721 current_function_epilogue_delay_list, current_function_args_size,
19722 current_function_pretend_args_size, current_function_arg_offset_rtx,
19723 current_function_outgoing_args_size, current_function_varargs,
19724 current_function_stdarg, current_function_args_info, cleanup_label,
19725 current_function_name, current_function_uses_const_pool,
19726 current_function_instrument_entry_exit, current_function_return_rtx,
19727 current_function_uses_pic_offset_table, nonlocal_labels,
19728 current_function_internal_arg_pointer, current_function_cannot_inline,
19729 current_function_check_memory_usage, function_call_count,
19730 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
19731 nonlocal_goto_stack_level, return_label, save_expr_regs,
19732 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
19733 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
19734 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
19735 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
19736 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
19738 (push_function_context_to): Don't save them. Don't call
19739 save_storage_status, save_emit_status or save_expr_status.
19740 (pop_function_context_from): Don't restore them. Don't call
19741 restore_storage_status or restore_expr_status.
19742 (get_func_frame_size): New function.
19743 (get_frame_size): Use it.
19744 (assign_outer_stack_local): Reflect some member name changes in struct
19746 (put_reg_into_stack): Likewise.
19747 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
19749 (fixup_var_refs): Likewise.
19750 (fix_lexical_addr): Likewise.
19751 (trampoline_address): Likewise.
19752 (prepare_function_start): Clear field inlinable of current_function.
19753 (init_function_for_compilation): New function.
19754 (expand_dummy_function_end): New function.
19755 (expand_function_end): Call finish_expr_for_function.
19756 * function.h (struct emit_status): New; fields moved here from struct
19757 function and from global variables. Add accessor macros for some of
19759 (struct expr_status): Likewise.
19760 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
19761 (struct function): Add fields expr and emit, inlinable, inl_emit,
19762 original_arg_vector, original_decl_initial, inl_last_parm_insn,
19763 inl_max_label_num. Add many comments.
19764 Add accessor macros for all elts of struct function that no longer
19765 have a global variable.
19766 (cleanup_label, return_label, frame_offset, tail_recursion_label,
19767 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
19768 stack_slot_list): Delete declarations.
19769 (get_func_frame_size): Declare.
19770 (save_expr_status, restore_expr_status, save_emit_status,
19771 save_storage_status, restore_storage_status): Delete declarations.
19772 (init_virtual_regs): Declare.
19773 * output.h (current_function_pops_args,
19774 current_function_returns_struct, current_function_returns_pcc_struct,
19775 current_function_needs_context, current_function_calls_setjmp,
19776 current_function_calls_longjmp, current_function_calls_alloca,
19777 current_function_has_nonlocal_label, current_function_varargs,
19778 current_function_has_computed_jump, current_function_returns_pointer,
19779 current_function_contains_functions, current_function_args_size,
19780 current_function_pretend_args_size, current_function_stdarg,
19781 current_function_outgoing_args_size, current_function_args_info,
19782 current_function_name, current_function_return_rtx,
19783 current_function_epilogue_delay_list,
19784 current_function_uses_const_pool, current_function_cannot_inline):
19785 Delete declarations.
19786 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
19787 regno_reg_rtx): Delete declaration.
19788 (REGNO_POINTER_FLAG): Delete macro.
19789 * stmt.c (expand_goto): Changes to reflect that some fields in struct
19790 function were renamed.
19791 * stor-layout.c (save_storage_status, restore_storage_status): Delete
19793 * toplev.c: Include "function.h".
19794 (current_function_decl): Delete declaration.
19795 (compile_file): Call init_dummy_function_start and
19796 expand_dummy_function_end around some initializations that need to
19798 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
19799 Call init_function_for_compilation.
19800 * unroll.c: Include "function.h"
19801 (unroll_loop): Access regno_pointer_* variables through
19804 * tree.h (struct tree_decl): Add elt f to saved_insns member.
19805 (DECL_SAVED_INSNS): use it.
19806 (expand_dummy_function_end): Declare.
19807 (init_function_for_compilation): Declare.
19808 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
19809 that it's no longer an INLINE_HEADER.
19810 (expand_call): Likewise.
19811 * integrate.c (finish_inline): Delete function.
19812 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
19813 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
19814 args. Don't generate an INLINE_HEADER rtx, just return the arg
19815 vector. All callers changed.
19816 (save_for_inline_copying): Create a duplicate struct emit_status to
19817 hold the emit state for compiling the current function. Use this and
19818 the other new fields in struct function that are for integration
19819 instead of an INLINE_HEADER.
19820 Use memcpy instead of bcopy.
19821 Store the current struct function in DECL_SAVED_INSNS of fndecl.
19822 (save_for_inline_nocopy): Similar changes, except no new emit_status
19824 (expand_inline_function): Get information from function structure,
19825 not from an inline header rtx.
19826 (output_inline_function): Lose code to extract the necessary
19827 information from an inline header; simply put back the function
19828 structure into current_function. Clear its inlinable elt.
19829 * rtl.def (INLINE_HEADER): Delete.
19830 * rtl.h: Delete all accessors for an INLINE_HEADER.
19831 (gen_inline_header_rtx): Delete declaration.
19832 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
19833 Delete declarations.
19834 (REGNO_POINTER_ALIGN): Delete.
19835 (clear_emit_caches): Declare.
19836 (set_new_last_label_num): Declare.
19838 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
19840 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
19842 * except.c (expand_eh_region_start_for_decl): Always start a new block.
19843 * stmt.c (is_eh_region): Make sure current_function is present, too.
19845 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
19847 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
19848 for 64bit PA targets.
19850 * pa.h (SELECT_SECTION): Define.
19851 * som.h (SELECT_SECTION): Delete.
19853 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19855 * alias.c (init_alias_analysis): Wrap call to
19856 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
19858 1999-08-07 Bruce Korb <autogen@linuxbox.com>
19860 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
19861 <sys/asm.h> contains an asm comment with an apostrophe
19862 * fixinc/inclhack.sh: regen
19863 * fixinc/fixincl.x: regen
19865 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
19867 * function.c (init_function_start): Clear prologue & epilogue.
19868 (prologue_epilogue_contains): New function.
19869 * alias.c (init_alias_analysis): Use it.
19870 * rtl.h (prologue_epilogue_contains): Declare it.
19872 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
19874 * jump.c (onlyjump_p): New function.
19875 * rtl.h: Declare it.
19876 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
19877 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
19879 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
19881 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
19882 to invert loops. Simplify block scanning.
19884 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19886 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
19887 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
19889 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
19891 * config/sparc/liteelf.h: New file to support sparclite-elf target
19892 * config/sparc/t-sp86x: New file to support sparc86x targets
19893 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
19894 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
19895 * configure.in: Support above target triplets
19896 * configure: Regenerated
19898 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
19900 * fixinc/server.c (server_setup): Do not prefix function used as
19901 parameter with `&'.
19903 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
19905 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
19906 Remove fp reg alternatives.
19908 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
19910 * Makefiin (TAROUTOPTS): Kill.
19911 (install-headers-tar): Use "xpf" for tar headerfile extraction
19912 * i370/x-oe (TAROUTOPTS): Delete.
19913 * m68k/x-apollo68 (TAROUTOPTS): Delete.
19914 * m68k/x-hp320 (TAROUTOPTS): Delete.
19915 * m68k/x-hp320g (TAROUTOPTS): Delete.
19916 * gcc.texi: Update bug reporting text.
19918 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19920 * reg-stack.c (change_stack) Fixed problem with negative array index.
19922 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
19924 * extend.texi, install.texi: Fix spelling mistakes.
19926 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
19927 (s-attrtab); No longer try to use pre-made insn-attrtab file.
19928 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
19929 PREMADE_ATTRTAB_MD.
19930 * mips/t-ecoff: Likewise.
19931 * mips/t-elf: Likewise.
19932 * mips/t-mips: Likewise.
19933 * mips/t-osfrose: Likewise.
19934 * mips/t-r3900: Likewise.
19935 * mips/t-svr3: Likewise.
19936 * mips/t-svr4: Likewise.
19937 * mips/t-ultrix: Likewise.
19939 * gcc.texi: Document recommend means to provide software floating
19940 point libraries in libgcc.a
19942 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
19944 * c-lex.c (yylex): We can have a number with no digits.
19946 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
19948 * jump.c (delete_prior_computation): New function, broken
19949 out of delete_computation. Check for side effects with
19950 side_effects_p instead of FIND_REG_INC_NOTE. Handle
19951 multi-word hard registers.
19952 (delete_computation): Use it. Check for side effects with
19953 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
19954 missing REG_DEAD note for a register which is both set and
19957 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
19959 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
19960 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
19961 (ASM_FILE_START): Import _mcount with the right type.
19962 (ASM_DECLARE_FUNCTION_NAME): Define.
19963 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
19964 * pa.c (output_function_prologue): Always emit the function's label
19966 * pa.h (TEXT_SPACE_P): Define.
19967 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
19968 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
19969 * som.h (TEXT_SPACE_P): Delete.
19970 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
19971 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
19973 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
19975 * expr.c (emit_group_load): Allow src to be a CONCAT.
19977 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19979 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
19980 (___mulsi3): Use '!' comment character.
19982 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19984 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
19986 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
19988 * gcc.c: Update URLs and mail addresses.
19989 * gcc.texi: Likewise.
19991 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
19993 * rs6000.c (current_file_function_operand): Return zero for
19995 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
19997 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
20000 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
20002 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
20003 allocate space in the stack frame for the PIC register.
20005 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
20007 * m68k.md (xordi3, anddi3): These patterns are not available on
20010 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
20012 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
20013 (PUT_REAL): Likewise.
20015 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20017 * final.c (shorten_branches): Don't add an alignment for loops
20018 that have no label inside.
20020 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20022 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
20023 prototypes in macro HAVE_cmpstrsi.
20025 * cpplib.c (cpp_get_token): Remove unused label `op3'.
20027 * emit-rtl.c (operand_subword): Remove unused variable
20030 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
20032 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
20034 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
20036 * cpphash.c (macroexpand): Delete leading whitespace when arg
20037 is concatenated before.
20038 (unsafe_chars): Correct test for whether + and - can extend a
20041 * cppinit.c (cpp_start_read): Do dependencies for
20042 -include/-imacros files also.
20044 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
20045 tokenizing non-directive lines.
20046 (cpp_expand_to_buffer): Temporarily disable no-output mode.
20047 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
20050 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20052 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
20054 * c-lex.c: Sync with C++ frontend.
20055 (linemode): New variable.
20056 (parse_float): imag, conversion_errno, and type are output only.
20057 (yylex): Adjust. Move initial '.' case into main switch.
20059 (handle_generic_pragma): Just deal with tokens.
20060 (readescape): Use ISXDIGIT and ISGRAPH.
20061 * c-parse.in: Add END_OF_LINE token.
20063 * c-lex.c (lang_init): Generalize.
20064 (nextchar): Remove. Replace uses with UNGETC.
20065 (skip_white_space): Handle linemode here. Optimize for cpplib.
20066 (skip_white_space_on_line): Remove.
20067 (extend_token_buffer_to): New fn.
20068 (extend_token_buffer): Use it.
20069 (read_line_number, check_newline): Just deal with tokens.
20070 (token_getch, token_put_back): New fns.
20071 (yylex): Use them. More cpplib optimizations. Simplify.
20073 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20074 Jason Merrill <jason@yorick.cygnus.com>
20076 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
20077 (consume_string): Make this smart about USE_CPPLIB.
20078 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
20079 (yylex): Rewrite to be intelligent about USE_CPPLIB.
20080 Also, clean up cases where we redundantly set token_buffer[0].
20081 (read_line_number): New fn.
20082 (ignore_escape_flag): New variable.
20084 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
20086 * a29k/t-a29kbare: Fix some comments.
20087 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
20088 (FPBIT, DPBIT): Define.
20089 * a29k/t-vx29k: Likewise.
20090 * arc/t-arc: Likewise.
20091 * arm/t-arm-elf: Likewise.
20092 * arm/t-bare: Likewise.
20093 * arm/t-pe: Likewise.
20094 * arm/t-pe-thumb: Likewise.
20095 * arm/t-semi: Likewise.
20096 * arm/t-thumb: Likewise.
20097 * arm/t-thumb-elf: Likewise.
20098 * arm/t-thumb-linux: Likewise.
20099 * h8300/t-h8300: Likewise.
20100 * i960/t-i960: Likewise.
20101 * i960/t-vxworks960: Likewise.
20102 * m32r/t-m32r: Likewise.
20103 * mips/t-ecoff: Likewise.
20104 * mips/t-elf: Likewise.
20105 * mips/t-r3900: Likewise.
20106 * pa/t-pro: Likewise.
20107 * rs6000/t-aix43: Likewise.
20108 * rs6000/t-beos: Likewise.
20109 * rs6000/t-newas: Likewise.
20110 * rs6000/t-ppccomm: Likewise.
20111 * rs6000/t-rs6000: Likewise.
20112 * rs6000/t-winnt: Likewise.
20113 * rs6000/t-xnewas: Likewise.
20114 * rs6000/t-xrs6000: Likewise.
20115 * sh/t-sh: Likewise.
20116 * sparc/t-elf: Likewise.
20117 * sparc/t-sparcbare: Likewise.
20118 * sparc/t-sparclite: Likewise.
20119 * sparc/t-splet: Likewise.
20120 * v850/t-v850: Likewise.
20121 * mn10200/t-mn10200: Fix comments.
20122 * mn10300/t-mn10300: Likewise.
20124 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
20125 dummy operand. Allocate a new pseudo for the dummy operand.
20126 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
20128 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
20130 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
20132 * configure: Rebuilt.
20133 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
20135 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
20137 * recog.c (preproces_constraints): Zero recog_op_alt before
20138 processing the constraints.
20140 * arm.c (typedef minipool_node): Renamed from pool_node.
20141 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
20142 (add_minipool_constant): New function.
20143 (dump_minipool): New function.
20144 (find_barrier): Remove special case for getting the insn size of
20145 an insn that references the constant pool.
20146 (minipool_fixup): New structure.
20147 (push_minipool_barrier): New function.
20148 (push_minipool_fix): New function.
20149 (note_invalid_constants): New function.
20150 (add_pool_constant, dump_table, fixit, broken_move): Delete.
20151 (arm_reorg): Rewrite code to fix up the constant pool into a
20152 series of mini-pools embedded in the insn stream.
20153 (arm_output_epilogue): New function, made mainly from the body
20154 of output_func_epilogue.
20155 (output_func_epilogue): Move insn generation part of epilogue code
20156 to arm_output_epilogue.
20157 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
20158 * arm.md (pool_range): New attribute.
20159 (zero_extendqidi2): Add attribute pool_range.
20160 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
20161 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
20162 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
20163 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
20164 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
20165 (epilogue): New expand.
20166 (epilogue_insn): New insn. Call arm_output_epilogue.
20168 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
20169 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
20171 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20173 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20175 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
20177 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
20179 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
20181 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
20183 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
20185 * global.c: Fix comment.
20187 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
20189 * gcc.c (access_check): New static function.
20190 (find_a_file): Use it when searching a directory list.
20191 * collect2.c (find_a_file): Don't accept directories found when
20192 searching a directory list.
20194 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
20196 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
20197 function parameters with `&'.
20198 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
20200 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
20202 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
20203 or tidy_fallthru_edge if the last insn in the block is not
20204 an unconditional jump or a simple conditional jump.
20206 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20208 * Makefile.in (c-decl.o): Depends on defaults.h.
20210 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
20212 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
20214 (CLASS_MAX_NREGS): Likewise.
20216 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
20218 * cse.c (cse_insn): Fix dumb thinko in last change.
20220 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20222 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
20225 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
20227 * dwarf2out.c (add_location_or_const_value_attribute): Correct
20228 test for sizes of passed and declared parameter types.
20230 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20232 * fixincludes: Fix the return type of bsearch, char* -> void*.
20234 * fixinc/inclhack.def: Likewise.
20236 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
20238 * invoke.texi (-fdump-translation-unit): New option.
20240 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
20242 * expr.h (PROMOTE_PROTOTYPES): Move ...
20243 * defaults.h: ... to here.
20244 * c-decl.c: Include defaults.h instead of expr.h.
20245 * c-typeck.c: Include defaults.h.
20247 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
20249 * toplev.h (errorcount): Declare.
20250 (warningcount): Likewise.
20251 (sorrycount): Likewise.
20252 * c-lex.c (errorcount): Don't declare.
20253 * dwarf2out.c (errorcount): Don't declare.
20255 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
20257 * config/libgloss.h: Add a note discouraging use with ELF.
20258 * configure.in: Don't use libgloss.h for ELF targets.
20259 Always use_collect2 on a.out targets.
20261 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
20263 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
20264 (force_to_mode, case ASHIFTRT): Add shiftrt label.
20266 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20268 * loop.c (strength_reduce): When doing biv->giv conversion, update
20269 reg note of NEXT->insn.
20271 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20273 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
20275 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20277 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
20278 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
20279 Ensure expr.h is included.
20280 * c-typecheck.c (convert_arguments): Ditto.
20282 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
20284 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
20285 * config/convex/convex.h: Ditto.
20286 * config/dsp16xx/dsp16xx.h: Ditto.
20287 * config/fx80/fx80.h: Ditto.
20288 * config/gmicro/gmicro.h: Ditto.
20289 * config/i370/i370.h: Ditto.
20290 * config/i386/i386.h: Ditto.
20291 * config/m32r/m32r.h: Ditto.
20292 * config/m68k/m68k.h: Ditto.
20293 * config/m88k/m88k.h: Ditto.
20294 * config/mips/mips.h: Ditto.
20295 * config/pa/pa.h: Ditto.
20296 * config/pyr/pyr.h: Ditto.
20297 * config/tahoe/tahoe.h: Ditto.
20298 * config/we32k/we32k.h: Ditto.
20300 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
20301 based on arch size.
20303 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
20305 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
20308 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
20310 1999-08-02 Richard Henderson <rth@cygnus.com>
20312 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
20313 for the register spill block.
20314 (m32r_va_arg): New.
20315 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
20316 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
20318 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
20319 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
20320 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
20322 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20324 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
20325 MAX_WCHAR_TYPE defined in sparc.h.
20326 * config/sparc/linuxaout.h: Likewise.
20327 * config/sparc/linux64.h: Likewise.
20328 Also default to -mvis if CPU is UltraSPARC.
20330 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20332 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
20333 (RTX_OK_FOR_OLO10): Likewise.
20334 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
20335 %lo(), allow it in addresses...
20336 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
20337 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
20338 does not make sense.
20339 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
20340 (sparc_output_scratch_registers): New function.
20341 (output_function_prologue, sparc_flat_output_function_prologue): Use
20343 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
20345 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
20346 * configure.in: Add check for .register pseudo-op support in as and
20347 check for offsetable %lo().
20348 * acconfig.h: Add templates for the above checks.
20349 * configure: Regenerate.
20351 1999-08-02 Richard Henderson <rth@cygnus.com>
20353 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
20354 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
20355 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
20357 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20359 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20362 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20364 * config/float-sparc.h: New file.
20365 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
20366 sparc-*-linux-gnu and sparc64-*-linux*.
20368 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20370 * rs6000.c (rs6000_va_list): Type is an array.
20371 (rs6000_va_start): Don't doubly adjust for varargs.
20372 (rs6000_va_arg): Evaluate long long GPR adjustment.
20374 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
20376 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
20377 -maix64 and -maix32.
20378 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
20379 LINK_SPEC): Change appropriately.
20380 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
20381 (u_short_cint_operand): Likewise.
20382 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
20384 * rs6000/t-aix43 (MULTILIB): Change to -m64.
20386 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
20388 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
20390 * rs6000/rs6000.c (num_insns_constant_wide): Correct
20391 for type promotion.
20392 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
20393 (non_add_cint_operand): Likewise.
20394 (logical_operand): Likewise.
20395 (non_logical_cint_operand): Likewise.
20396 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
20397 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
20398 (rs6000_select_rtx_section): Suppress warning.
20399 (small_data_operand): Suppress warning.
20400 (rs6000_got_register): Suppress warning.
20401 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
20402 type, so `J' is generally the wrong constraint for a SImode value;
20404 (andsi3_internal2): Likewise.
20405 (andsi3_internal3): Likewise.
20406 (iorsi3_internal1): Likewise.
20407 (xorsi3_internal1): Likewise.
20409 (movsf_softfloat): Likewise.
20410 (scc insns): Likewise.
20411 (movsi+2): Preserve sign bits of SImode constant.
20412 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
20413 (movdf+1): Sign-extend properly.
20414 (movdi_32+1): Sign-extend properly.
20415 (scc insns): Sign-extend properly.
20417 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
20420 1999-08-02 Richard Henderson <rth@cygnus.com>
20422 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
20423 -mcpu parsing code.
20424 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
20425 * alpha.md (all fp insns): Likewise.
20427 1999-08-02 Nick Clifton <nickc@cygnus.com>
20429 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
20432 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
20434 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
20435 pic_load_label generator directly.
20436 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
20437 No longer a named pattern.
20439 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
20441 * explow.c (force_reg): Call force_operand if X does not
20442 satisfy general_operand.
20444 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
20446 * fix-header.c (main): When testing for CONTINUED, use string
20447 equality, not pointer equality.
20449 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
20451 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
20453 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
20455 * cse.c (cse_insn): Fix loop which deletes insns after a jump
20456 that has become an unconditional jump.
20458 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
20459 (output_function_epilogue): Similarly.
20461 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20463 * tree.h (init_dummy_function_start): Declare.
20465 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20467 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
20468 last_expr_type, last_expr_value, block_start_count, block_stack,
20469 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
20470 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
20471 dynamically in stmt elt of struct function for each function.
20472 (struct nesting): Rename function_call_count elt to n_function_calls,
20473 target_temp_slot_level to block_target_temp_slot_level. All users
20475 (struct stmt_status): New structure definition.
20476 Add many accessor macros for stmt_status elements which previously
20477 were global variables.
20478 (init_stmt_for_function): Allocate stmt elt for current_function.
20479 Reflect that block_start_count was renamed to
20480 current_block_start_count.
20481 (save_stmt_status, restore_stmt_status): Delete functions.
20482 (preserve_subexpressions_p): Don't access loop_stack when outside
20484 (expand_start_bindings): Reflect that block_start_count was renamed to
20485 current_block_start_count.
20486 (expand_fixup): Likewise.
20487 (expand_decl): Don't access block_stack when outside a function.
20488 (expand_decl_cleanup): Likewise.
20489 (expand_dcc_cleanup): Likewise.
20490 (expand_dhc_cleanup): Likewise.
20491 (expand_anon_union_decl): Likewise.
20492 (set_file_and_line_for_stmt): New function.
20493 (in_control_zone_p): New function.
20495 * function.h (struct function): Add new elt stmt.
20496 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
20497 case_stack, nesting_stack, nesting_depth, block_start_count,
20498 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
20499 emit_lineno, goto_fixup_chain.
20500 (save_eh_status, restore_eh_status, save_stmt_status,
20501 restore_stmt_status): Delete declarations.
20502 * function.c (push_function_context_to): Don't call save_stmt_status.
20503 (pop_function_context_to): Don't call restore_stmt_status.
20504 * tree.h (in_control_zone_p): Declare.
20505 * rtl.h (set_file_and_line_for_stmt): Declare.
20507 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
20508 call set_file_and_line_for_stmt.
20510 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
20512 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
20513 Also update copyright.
20515 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20517 * c-pragma.c: Don't include "except.h".
20518 * emit-rtl.c: Likewise.
20519 * stor-layout.c: Likewise.
20520 * tree.c: Likewise.
20521 * varasm.c: Likewise.
20523 * flow.c: Include "function.h".
20524 * tree.h (init_dummy_function_start): Declare new function.
20526 * except.h (struct eh_status): New structure.
20527 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
20529 (eh_return_stub_label, ehstack, catchstack, ehqueue,
20530 catch_clauses, false_label_stack, caught_return_label_stack,
20531 protect_list, current_function_ehc): Add accessor macros for the
20532 corresponding fields in current_function->eh; delete declarations
20533 for all items that used to be declared here.
20534 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
20535 catch_clauses, false_label_stack, caught_return_label_stack,
20536 protect_list, current_function_ehc): Delete variables.
20537 (init_eh_for_function): Allocate current_function->eh.
20538 (save_eh_status, restore_eh_status): Delete functions.
20540 * function.h (struct function): Add fields next_global and eh.
20541 Delete all exception handling related fields.
20542 * function.c (current_function): New variable.
20543 (all_functions): New variable.
20544 (push_function_context_to): Don't allocate a struct function,
20545 use current_function instead. Call init_dummy_function_start when
20546 outside a function. Clear current_function before returning.
20547 (pop_function_context_from): Restore current_function.
20548 Don't free the restored struct function.
20549 (prepare_function_start): New function.
20550 (init_dummy_function_start): New function.
20551 (init_function_start): Break out some code into prepare_function_start
20554 * stmt.c (save_stmt_status): Don't call save_eh_status.
20555 (restore_stmt_status): Don't call restore_eh_status.
20557 * Makefile.in: Update dependencies.
20559 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
20561 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
20562 of depending on a magic constant value. Update comments.
20563 (hppa_expand_prologue): Similarly.
20565 * pa.md (reload_indi, reload_outdi): Allow any register for the
20566 original reload register.
20568 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
20570 * cccp.c (print_help): Change marcos to macros.
20572 1999-07-30 Richard Henderson <rth@cygnus.com>
20574 * c-typeck.c (initializer_constant_valid_p): Move ...
20575 * c-common.c (initializer_constant_valid_p): ... here. Use
20576 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
20577 of label addresses.
20578 * c-common.h (initializer_constant_valid_p): Declare.
20579 * c-tree.h (initializer_constant_valid_p): Remove.
20581 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
20583 * config/i386/sol2-c1.asm: Align the stack.
20584 * config/i386/sol2-gc1.asm: Likewise.
20586 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
20588 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
20589 -Asparclite for sparc86x.
20590 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
20592 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
20594 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
20596 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
20597 the user if using the non-default arch size in BI_ARCH configuration.
20598 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
20600 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
20601 Fix patterns so that they actually match.
20602 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
20603 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
20604 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
20606 (mulsidi3): Reflect this in the expand.
20607 (smulsi3_highpart): Only on TARGET_ARCH32.
20608 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
20609 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
20610 (umulsidi3): Reflect this in the expand.
20611 (umulsi3_highpart): Only on TARGET_ARCH32.
20612 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
20613 don't require g0 to be zero.
20614 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
20615 ({,u}divsi3): New expands.
20616 ({,u}divsi3_sp64): New patterns.
20617 (after lshrdi3_v8plus): Four new patterns to help combiner
20618 optimizing nested mixed mode shifts.
20620 * config/sparc/sparc.c (sparc_override_options): Use deprecated
20621 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
20622 speed things up. Don't use them by default on plain v9 in 64bit
20623 mode, according to what SPAMv9 sais.
20625 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
20626 top 32 bits of %[og][0-7] in signal handlers.
20627 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
20629 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
20631 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
20632 (ashlsi3): Corresponding changes.
20634 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
20636 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
20638 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
20640 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20642 * arm.h (Hint): Delete macro.
20643 Substitute HOST_WIDE_INT for Hint in some prototypes.
20644 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
20646 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
20648 * builtins.c (expand_builtin_setjmp): Use force_operand to
20649 make sure that the buffer address is in a suitable form to be
20650 passed to force_reg.
20652 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
20654 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
20657 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
20659 * pa.md (indirect_jump): Remove mode from match_operand. Verify
20660 proper mode in the condition string.
20661 (icacheflush, dcacheflush): Remove modes from match_operands.
20663 * pa.c (emit_move_sequence): Always convert scratch_reg to the
20664 proper mode before using it.
20666 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
20669 * pa.c (store_reg): Do not call add_high_const generator directly.
20670 (load_reg, set_reg_plus_d): Likewise.
20671 * pa.md (add_high_const): No longer a named pattern.
20673 * pa.c (legitimize_address): Consistently use Pmode rather than
20674 SImode. Do not call gen_pic2_highpart directly anymore.
20675 * pa.md (pic2_highpart): No longer a named pattern.
20676 (pic2_lo_sum): Similarly. Reformat to make more readable.
20678 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
20683 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20685 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
20687 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
20689 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
20690 and tag the spill mems.
20691 (hppa_va_start): New.
20692 (hppa_va_arg): New.
20693 * pa.h (EXPAND_BUILTIN_VA_START): New.
20694 (EXPAND_BUILTIN_VA_ARG): New.
20696 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
20698 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
20699 and tag the spill mems.
20700 (mn10300_va_start): New.
20701 (mn10300_va_arg): New.
20702 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
20703 (EXPAND_BUILTIN_VA_ARG): New.
20705 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
20707 * mn10200.c (mn10200_va_arg): New.
20708 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
20710 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
20712 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
20713 rather than play with TREE_INT_CST_LOW.
20715 1999-07-27 Philip Blundell <pb@nexus.co.uk>
20717 * config/arm/telf.h: Include dbxelf.h.
20718 (CPP_PREDEFINES): Only define if not already defined.
20719 (ASM_IDENTIFY_GCC): Likewise.
20720 (SUBTARGET_EXTRA_SECTIONS): Likewise.
20721 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
20722 * config/arm/thumb.h (LINK_SPEC): Only define if not already
20724 (DBX_DEBUGGING_INFO): Don't define.
20725 * config/arm/linux-telf.h: New file.
20726 * config/arm/linux-tgas.h: New file.
20727 * config/arm/t-thumb-linux: New file.
20728 * config/arm/uclinux-elf.h: New file.
20729 * config/arm/uclinux-telf.h: New file.
20730 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
20731 thumb-*-uclinux): New targets.
20732 * configure: Regenerate.
20734 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
20736 * pa.md (post_store, pre_load): New expanders.
20737 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
20738 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
20739 need to directly generate RTL for them.
20740 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
20743 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
20745 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
20746 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
20747 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
20748 (secndary_reload_class): Make TARGET_ELF conditional compile.
20749 (print_operand_address): Similar.
20750 (output_toc): Print all values as hex.
20751 (get_issue_rate): Rearrange and add RS64A and PPC630.
20752 * rs6000.h (processor_type): Add RS64A and PPC630.
20753 (PROCESSOR_POWERPC64): New.
20754 (PROMOTE_MODE): Use word_mode.
20755 (RTX_COSTS): Add RS64A and PPC630.
20756 * rs6000.md (scheduling information): Add lmul and ldiv
20757 representing 64-bit integer multiply and divide. Add rs64a and
20758 PPC630 information.
20759 (ashldi3): Add support for "rldic" instruction.
20760 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
20762 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
20764 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
20765 instead of V8 for sparclite86x in cpu_table.
20767 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20769 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
20770 output_file_directive.
20772 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
20774 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
20775 tree for op1, not the rtl.
20777 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
20779 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
20780 to m88k_va_start, leaving only the register spill.
20781 (m88k_build_va_list): New.
20782 (m88k_va_start): New.
20783 (m88k_va_arg): New.
20784 * m88k.h (BUILD_VA_LIST_TYPE): New.
20785 (EXPAND_BUILTIN_VA_START): New.
20786 (EXPAND_BUILTIN_VA_ARG): New.
20788 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
20790 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
20791 Rename from expand_builtin_saveregs.
20792 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
20794 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
20796 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
20797 for the register spill block.
20798 (i960_build_va_list): New.
20799 (i960_va_start): New.
20800 (i960_va_arg): New.
20801 * i960.h (BUILD_VA_LIST_TYPE): New.
20802 (EXPAND_BUILTIN_VA_START): New.
20803 (EXPAND_BUILTIN_VA_ARG): New.
20804 * i960.md (store_multiple): Use change_address on individul mems.
20806 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
20808 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
20810 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
20811 (expand_builtin_va_end): Evaluate arg for side effects.
20812 * c-common.c (c_common_nodes_and_builtins): Construct a
20813 va_list_arg_type_node to handle array decomposition to pointer.
20815 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
20817 * except.c (st_dynamic_cleanup): Use force_operand on the
20820 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
20822 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
20823 * c4x.c (c4x_va_arg): New.
20825 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
20827 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
20828 has manual_pop set.
20830 1999-07-26 Nathan Sidwell <nathan@acm.org>
20832 * eh-common.h (__eh_matcher): Prototype correctly.
20834 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
20836 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
20837 (TARGET_SINGLE_PIC_BASE): Likewise.
20838 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
20840 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
20841 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
20842 (TARGET_OPTIONS): Add -mpic-register=N.
20843 (OUTPUT_INT_ADDR_CONST): New macro.
20844 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
20845 LEGITIMATE_PIC_OPERAND_P): Likewise.
20846 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
20847 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
20848 output_addr_const directly.
20849 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
20851 (thumb_pic_register, thumb_pic_register_string): Declare.
20853 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
20855 (label_mentioned_p): New function: Imported from arm.c.
20856 (legitimize_pic_address): New function: Imported from arm.c.
20857 (is_pic):New function: Imported from arm.c.
20858 (thumb_finalize_pic):New function: Imported from arm.c.
20859 (add_constant): Cope with PIC constants.
20860 (fixit): Cope with PIC constants.
20861 (output_return): Do not treat the PIC register as live if
20862 TARGET_SINGLE_PIC_BASE is true.
20863 (thumb_function_prologue): Do not treat the PIC register as live if
20864 TARGET_SINGLE_PIC_BASE is true.
20865 (thumb_expand_prologue): Do not treat the PIC register as live if
20866 TARGET_SINGLE_PIC_BASE is true.
20867 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
20868 TARGET_SINGLE_PIC_BASE is true.
20869 (thumb_print_operand): Accept '|'.
20870 (thumb_override_options): Process PIC options.
20872 * config/arm/thumb.md (movsi): Support PIC.
20873 (call_insn): Change "i" constraint to "X".
20874 (call_value_insn): Likewise.
20875 (consttable_4, consttable_8, consttable_end): Set and clear
20876 "making_const_table" as appropriate.
20877 (pic_load_addr, pic_add_dot_plus_four): New insns.
20879 * invoke.texi (Thumb Options): Fix spelling. Document new
20880 options -msingle-pic-base and -mpic-register=.
20882 1999-07-26 Andrew Haley <aph@cygnus.com>
20884 * config/m32r/initfini.c (__init): Use a full word immediate for
20885 __fini: this allows it to be placed in any memory region.
20887 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
20888 -mmodel=medium. This is OK for all memory models.
20890 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
20892 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
20893 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
20895 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
20897 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
20900 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
20902 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
20904 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
20905 (BUILD_VA_LIST_TYPE): New.
20906 (EXPAND_BUILTIN_VA_START): New.
20907 (EXPAND_BUILTIN_VA_ARG): New.
20908 * i860.c (output_delayed_branch): Disable.
20909 (output_delay_insn): Likewise.
20910 (i860_saveregs): New.
20911 (i860_build_va_list): New.
20912 (i860_va_start): New.
20913 (i860_va_arg): New.
20914 * i860.md: Disable all peepholes using output_delayed_branch.
20915 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
20917 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
20919 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
20920 (BUILD_VA_LIST_TYPE): New.
20921 (EXPAND_BUILTIN_VA_START): New.
20922 (EXPAND_BUILTIN_VA_ARG): New.
20923 * clipper.c (clipper_builtin_saveregs): Only dump registers.
20924 Return the address of the save area.
20925 (clipper_build_va_list): New.
20926 (clipper_va_start): New.
20927 (clipper_va_arg): New.
20929 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
20931 * arc.h (EXPAND_BUILTIN_VA_START): New.
20932 (EXPAND_BUILTIN_VA_ARG): New.
20933 * arc.c (arc_setup_incoming_varargs): Set alias set of
20935 (arc_va_start): New.
20938 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
20940 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
20941 (BUILD_VA_LIST_TYPE): New.
20942 (EXPAND_BUILTIN_VA_START): New.
20943 (EXPAND_BUILTIN_VA_ARG): New.
20944 * alpha.c (alpha_builtin_saveregs): Delete.
20945 (alpha_build_va_list): New.
20946 (alpha_va_start): New.
20947 (alpha_va_arg): New.
20949 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
20951 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
20953 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
20954 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
20956 * gcc.texi: More changes related to list conversion.
20957 * invoke.texi: Likewise.
20959 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
20961 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
20962 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
20963 (expand_builtin_next_arg): Accept ARGLIST not EXP.
20964 (stabilize_va_list): New function.
20965 (std_expand_builtin_va_start): New function.
20966 (expand_builtin_va_start): New function.
20967 (get_varargs_alias_set): New function.
20968 (std_expand_builtin_va_arg): New function.
20969 (expand_builtin_va_arg): New function.
20970 (expand_builtin_va_end): New function.
20971 (expand_builtin_va_copy): New function.
20972 (expand_builtin): Call them.
20973 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
20974 __builtin_{varargs_start,stdarg_start,end,copy}.
20975 (build_va_arg): New function.
20976 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
20977 (build_va_arg): Declare.
20978 * c-decl.c (ptr_type_node, va_list_type_node): New.
20979 * c-parse.gperf (__builtin_va_arg): New.
20980 * c-parse.in (VA_ARG): New token.
20981 (unary_expr): Recognize it.
20982 * expr.c (expand_expr): Expand VA_ARG_EXPR.
20983 * expr.h (std_expand_builtin_va_start): Declare.
20984 (std_expand_builtin_va_arg): Declare.
20985 (expand_builtin_va_arg): Declare.
20986 (get_varargs_alias_set): Declare.
20987 * tree.def (VA_ARG_EXPR): New.
20988 * tree.h (BUILT_IN_VARARGS_START): New.
20989 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
20990 (ptr_type_node, va_list_type_node): Declare.
20991 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
20992 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
20993 * m88k.h, m88k.c: Likewise.
20994 * mn10300.h, mn10300.c: Likewise.
20995 * pa.h, pa.c: Likewise.
20996 * rs6000.h, rs6000.c: Likewise.
20997 * sh.h, sh.c: Likewise.
20998 * sparc.h, sparc.c: Likewise.
21000 * emit-rtl.c (operand_subword): Copy alias set.
21001 (change_address): Likewise.
21003 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
21005 * pa.c (compute_frame_size): Scan all the used callee saved registers,
21006 not just the first one.
21008 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
21010 * config/arm/arm.h (TARGET_SWITCHES): Add
21011 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
21012 (TARGET_OPTIONS): Add -mpic-register=.
21013 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
21014 (arm_pic_register_string): Declare.
21015 (NEED_PLT_GOT): Delete, replace with ...
21016 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
21017 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
21018 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
21019 * config/arm/arm.c (arm_override_options): Add new option
21021 (arm_pic_register_string): New variable.
21022 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
21023 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
21024 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
21025 (output_return_instruction): Likewise.
21026 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
21027 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
21028 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
21030 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
21031 mention of -msched-prolog. Document new options -msingle-pic-base
21032 and -mpic-register=.
21034 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
21036 * haifa-sched.c (reemit_notes): Tidy.
21037 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
21040 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
21042 * explow.c (trunc_int_for_mode): New function.
21043 (plus_constant_wide): Use it.
21044 * combine.c (simplify_and_const_int): Likewise.
21045 (merge_outer_ops): Likewise.
21046 (simplify_shift_const): Likewise.
21047 * cse.c (simplify_unary_operation): Likewise.
21048 (simplify_binary_operation): Likewise.
21049 * emit-rtl.c (operand_subword): Likewise.
21050 * rtl.h: Declare it.
21052 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21054 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
21055 (use NUM_REGS instead of NUM_INTS).
21057 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21059 * builtins.c: New file.
21060 * expr.c (saveregs_value, apply_args_value): Delete definition,
21061 moved into builtins.c.
21062 (string_constant): No longer static.
21063 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
21064 apply_args_size, apply_result_size, result_vector,
21065 expand_builtin_apply_args, expand_builtin_apply,
21066 expand_builtin_return): Delete functions, moved into builtins.c.
21067 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
21068 * expr.h (saveregs_value, apply_args_value): Declare variables.
21069 (expand_builtin, string_constant): Declare functions.
21070 * Makefile.in: Update to build builtin.o.
21072 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
21074 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
21075 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
21076 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
21077 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
21079 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
21082 1999-07-21 Michael Meissner <meissner@cygnus.com>
21084 * print-rtl.c (print_rtx): Print the names of the virtual
21087 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
21089 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
21090 introduced in previous delta.
21092 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21094 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
21095 to avoid name clash.
21097 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21099 * c-lex.c (yylex) : Correct the test for overflow when lexing
21102 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
21104 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
21105 (adjust_priority): Always call ADJUST_PRIORITY.
21106 (schedule_insn): Only put insns into the ready at cost 0.
21107 (schedule_block): Remove redundant initial sort. Give clock_var
21108 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
21110 * tm.texi (MD_SCHED_REORDER): Update docs.
21112 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
21113 * sparc.c (ultra_reorder_called_this_block): Delete.
21114 (ultrasparc_sched_init): Don't set it.
21115 (ultrasparc_sched_reorder): Don't check it.
21117 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
21119 * rs6000.h (struct rs6000_args): Add sysv_gregno.
21120 * rs6000.c (init_cumulative_args): Init sysv_gregno.
21121 (function_arg_boundary): Align DFmode.
21122 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
21123 to get fp reg and stack overflow correct.
21124 (function_arg): Likewise.
21125 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
21126 (setup_incoming_varargs): Restructure for ABI_V4; use
21127 function_arg_advance to skip final named argument.
21128 (expand_builtin_saveregs): Properly unskip the last integer arg
21129 when doing varargs. Adjust overflow location calculation.
21131 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
21132 explicitly unsigned.
21133 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
21134 (__VA_GP_REGSAVE): Similarly.
21135 (__va_longlong_p): Delete.
21136 (__va_arg_type_violation): New declaration.
21137 (va_arg): Restructure. Flag promotion errors. Align double.
21138 TFmode passed by reference.
21140 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
21141 in the HOST_BITS_PER_WIDE_INT > 32 case.
21143 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
21145 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
21147 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
21149 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
21150 * toplev.c (documented_lang_options): Add -fpreprocessed.
21151 * cpplib.h (struct cpp_buffer): Add preprocessed.
21152 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
21153 (cpp_start_read): Don't expand macros or emit an initial #line
21154 directive if -fpreprocessed.
21156 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21158 * cpplib.h (struct cpp_buffer): Added manual_pop for
21159 better C++ tokenization.
21160 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
21161 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
21162 * c-common.c (cpp_token): Make non-static.
21164 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21166 * c-common.h: New file.
21167 * c-common.c (permanent_obstack): Delete unused declaration.
21168 (c_global_trees): New array.
21169 (c_common_nodes_and_builtins): New function; split off common code
21170 from init_decl_processing in both c-decl.c and cp/decl.c.
21171 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
21172 c_global_trees and accessor macros defined in c-common.h.
21173 Include c-common.h.
21174 * c-decl.c: Delete definitions for tree nodes that were replaced by
21176 (init_decl_processing): Build void_list_node.
21177 Call c_common_nodes_and_builtins; delete code to generate the common
21179 * objc/objc-act.c (build_module_descriptor): Rename variable
21180 void_list_node to avoid clash with c-common.h.
21182 * Makefile.in: Update dependencies.
21183 * objc/Make-lang.in: Likewise.
21185 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
21187 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
21188 (UNIQUE_SECTION_P): Likewise.
21189 (UNIQUE_SECTION): Likewise.
21191 1999-07-19 Linas Vepstas <linas@linas.org>
21193 * config/i370/README: New file.
21194 * config/i370/linux.h: New file.
21195 * config/i370/mvs.h: New file.
21196 * config/i370/oe.h: New file.
21197 * config/i370/t-linux: New file.
21198 * config/i370/t-mvs: New file.
21199 * config/i370/t-oe: New file.
21200 * config/i370/x-oe: New file.
21201 * config/i370/xm-linux.h: New file.
21202 * config/i370/xm-mvs.h: New file.
21203 * config/i370/xm-oe.h: New file.
21205 * i370.c (label_node_t): Add first_ref_page, label_addr,
21206 label_first_ref, label_last_ref members.
21207 (mvs_need_base_reload): Renamed from mvs_label_emitted.
21208 (MAX_MVS_LABEL_SIZE): Define.
21209 (MAX_LONG_LABEL_SIZE): Define.
21210 (alias_node_t, alias_anchor, alias_number): New.
21211 (mvs_function_table): Reorder for EBCDIC.
21212 (ascebc, ebcasc): Unconditionally define.
21213 (i370_branch_dest, i370_branch_length): New functions.
21214 (i370_short_branch, i370_label_scan): New functions.
21215 (mvs_get_label): Renamed from mvs_add_label. Search for
21216 an existing label before creating a new one.
21217 (mvs_add_label): New function.
21218 (mvs_get_label_page): New function.
21219 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
21220 over the entire list.
21221 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
21222 (mvs_check_page) [TARGET_ELF_ABI]: New function.
21223 (mvs_add_alias, mvs_need_alias): New functions.
21224 (mvs_get_alias, mvs_check_alias): New functions.
21225 (handle_pragma): New function.
21226 (mvs_function_check): New function.
21227 (unsigned_jump_follows_p): Search harder.
21228 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
21229 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
21230 * i370.h (TARGET_VERSION): Delete.
21231 (CPP_SPEC, CPP_PREDEFINES): Delete.
21232 (mvs_label_emitted): Delete.
21233 (TARGET_EBCDIC): Delete.
21234 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
21235 (HANDLE_PRAGMA): Define.
21236 (HARD_REGNO_NREGS): Handle complex modes.
21237 (HARD_REGNO_MODE_OK): Likewise.
21238 (CLASS_MAX_NREGS): Likewise.
21239 (RET_REG): Likewise.
21240 (EXTRA_CONSTRAINT): Define.
21241 (RETURN_IN_MEMORY): True for DImode.
21242 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
21243 (FUNCTION_PROFILER): Delete.
21244 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
21245 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
21246 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
21247 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
21248 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
21249 (ASM_FILE_START): Add "RMODE ANY".
21250 (ASM_OUTPUT_EXTERNAL): Check for aliases.
21251 (ASM_GLOBALIZE_LABEL): Likewise.
21252 (ASM_OUTPUT_LABELREF): Likewise.
21253 (ASM_OUTPUT_COMMON): Likewise.
21254 (PRINT_OPERAND): Handle 'K', 'W', default.
21255 (PRINT_OPERAND_ADDRESS): New.
21256 (Lots of defines): Add support for TARGET_ELF_ABI.
21257 * i370.md (attr length): New. Define for all patterns.
21258 (*): Lots of tweeks to assembly output and constraints.
21260 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
21262 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
21263 Disable patterns performing SImode comparisons with SImode values
21264 if TARGET_POWERPC64 and instruction does not sign-extend or does
21265 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
21266 differ for signed quantities.
21267 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
21268 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
21269 (decrement_and_branch_on_count): Add 64-bit variant.
21271 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21273 * final.c (output_asm_insn): When searching for the matching string
21274 for a given dialect, don't run past the end of the list of
21275 alternatives if there are fewer alternatives in the template than
21278 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
21280 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
21281 Removed paragraph about compression of files and size limitation,
21282 duplicated in the FAQ. Use gcc-patches for posting patches.
21283 * gcc.c (main): Updated URL with bug reporting instructions to
21284 gcc.gnu.org. Removed e-mail address.
21285 * system.h (abort): Likewise.
21287 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21289 * Makefile.in (stmp-multilib-sub): Make the files extracted
21290 from $(LIBGCC1) writable.
21292 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
21294 * config/arm/aout.h: Reformat for improved readability.
21296 * config/arm/arm.h: Reformat for improved readability.
21297 Replace uses of fprintf with asm_fprintf where appropriate.
21298 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
21299 function declaration assembler actions.
21300 (NUM_INTS): New macro: Convert from bytes to words.
21301 (NUM_REGS): New macro: Compute number of registers required to
21302 hold a quanitity of tyep MODE.
21303 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
21305 (NUM_ARG_REGS): New macro: The number of argument registers
21307 (ARG_REGISTER): New macro: Compute the register number of the Nth
21309 (LAST_ARG_REGNUM): New macro: The number of the last argument
21311 (SP_REGNUM): New macro: Register number of the stack pointer.
21312 (FP_REGNUM): New macro: Register number of the frame pointer.
21313 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
21314 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
21315 CUMULATIVE_ARGS so that it counts registers not bytes.
21317 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
21319 Replace uses of fprintf with asm_fprintf where appropriate.
21320 (output_ascii_pseudo_op): Replace with version from thumb.c
21322 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
21324 * config/arm/elf.h (CPP_PREDEFINES): Replace with
21325 SUBTARGET_CPP_SPEC.
21326 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
21327 (ASM_FILE_START): Emit ASM_APP_OFF.
21329 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
21331 * pa.c (compute_frame_size): Round frame according to
21332 STACK_BOUNDARY rather than a hardwired value.
21334 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
21336 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
21338 * configure: Rebuilt.
21340 * configure.in (hppa*-*-linux*): New configuration.
21341 * configure: Rebuilt.
21342 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
21343 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
21344 * pa/pa-linux.h: New file.
21345 * pa/t-linux: New file.
21346 * pa/xm-linux.h: New file.
21348 * pa.c (hppa_legitimize_address): Change references from SImode to
21349 either Pmode or word_mode as appropriate.
21350 (emit_move_sequence, store_reg, load_reg): Likewise.
21351 (set_reg_plus_d, hppa_expand_prologue): Likewise.
21352 (output_mul_insn): Likewise.
21353 * pa.h (PROMOTE_MODE): Likewise.
21354 (INITIALZE_TRAMPOLINE): Likewise.
21355 (Pmode): Define to word_mode.
21357 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
21358 value of 4. Allocate 8 bytes for each FP register save.
21359 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
21361 (hppa_expand_prologue): Likewise.
21362 * pa.h (PROMOTE_MODE): Likewise.
21363 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
21364 (FUNCTION_ARG_BOUNDARY): Likewise.
21366 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
21368 * pa.c (out_of_line_prologue_epilogue): Delete.
21369 (override_options): Remove -mspace related code.
21370 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
21371 (compute_frame_size): Only allocate space for register that
21372 actually need to be saved.
21373 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
21374 (TARGET_SWITCHES): Remove -mspace, -mno-space
21375 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
21376 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
21377 * pa/ee.asm, pa/ee_fp.asm: Delete.
21379 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
21381 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
21382 directive in column zero.
21384 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
21386 * m68k.c (output_function_prologue): Fix computation of save mask
21387 when generating PIC code.
21389 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
21391 * tree.c (build_type_attribute_variant): Move current_obstack restore
21392 after build_qualified_type call.
21394 1999-07-15 Mark Mitchell <mark@codesourcery.com>
21396 * configure.in: Use t-iris6, even with GNU LD.
21397 * config/mips/iris6gld.h: Fix typo in linker spec.
21398 * config/mips/t-iris6gld: Remove.
21400 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
21402 * rs6000.md (insv, extzv): Remove SImode dependence in named
21403 patterns. Explicitly generate DImode RTL if PowerPC64 and
21405 (insvdi): Reverse start and size in instruction template.
21407 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
21409 * invoke.texi: Typo fixes.
21411 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
21413 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
21414 handle at this time instead of silently generating incorrect code.
21415 (gen_imagpart): Likewise.
21417 * reload.c (find_reloads): Emit a USE for a pseudo register without
21418 a hard register if we could not create an optional reload for the
21421 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21423 * c-typeck.c (output_init_element, process_init_element):
21424 When advancing constructor_unfilled_fields for a RECORD_TYPE,
21425 check for nameless bit fields.
21427 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
21429 * regclass.c (scan_one_insn): Notice subregs that change the
21430 size of their operand.
21431 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
21433 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
21435 * configure.in (alpha*-*-*): Include alpha/t-ieee.
21436 * configure: Rebuilt.
21437 * alpha/t-ieee: New file.
21439 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
21441 * rs6000.c (find_addr_reg): Do not select r0 as an address
21444 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
21446 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
21448 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
21450 * rs6000.md (movsf): Do not force easy FP constants into memory.
21452 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
21453 immed_double_const to ensure they are properly truncated then
21456 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
21458 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
21459 always unless NO_DEBUG is used. Compile this code
21461 (replace_symbols_in_block): Compile it unconditionally.
21463 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
21465 * configure.in (i?86-*-elf*): New target.
21466 * configure: Rebuilt.
21467 * i386/i386elf.h, i386/t-i386elf: New files.
21469 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21471 * toplev.c (main): Don't complain about saying -gdwarf.
21472 (rest_of_compilation): Remove redundant code.
21474 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
21476 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
21478 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
21480 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
21481 "Li960R:", to avoid name clash.
21483 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21485 * loop.c (check_dbra_loop): When reversing a loop, delete all
21486 REG_EQUAL notes referencing the reversed biv except those which are
21487 for a giv based on it.
21489 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
21491 * version.c: Drop "gcc-" prefix from version #.
21493 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
21495 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
21496 the label if we're being verbose.
21498 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
21500 * m68k.c (output_function_prologue): Add pic register to mask
21501 if live and flag_pic.
21502 (output_function_epilogue): Likewise.
21504 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
21506 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
21507 directives in column zero.
21509 * pa/elf.h (ASM_FILE_START): Define.
21510 * pa/som.h (ASM_FILE_START): Include .level directives.
21511 * pa/hpux10.h (ASM_FILE_START): Delete.
21512 * pa/hpux11.h (ASM_FILE_START): Delete.
21514 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
21516 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21518 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
21519 when reload_out equals reload_in.
21521 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
21523 * invoke.texi (Spec Files): New node: Describe the contents of
21526 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
21528 * invoke.texi (DEC Alpha Options): Put @end table at
21529 beginning of line, to avoid confusing texi2html.
21531 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
21533 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
21534 introduced in previous delta.
21536 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21538 * reload1.c (gen_reload): When synthesizing a 3 operand add
21539 sequence, improve test for when to reload OP1 into the reload
21540 register instead of OP0.
21542 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
21544 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
21546 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
21548 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
21551 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
21553 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
21554 (va_dcl): Use __builtin_va_alist_t.
21556 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
21558 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
21559 on the permanent_obstack.
21560 * dwarfout.c (output_type): Likewise.
21562 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
21564 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21565 Merged from c-typeck.c and cp/typeck.c.
21566 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21567 Merged into c-common.
21569 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
21571 * c-lex.c (errorcount): Declare it.
21572 (finish_parse): Update errorcount when using CPPLIB.
21574 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
21576 * fixinc/inclhack.def(end_else_label): Double the backslash so
21577 sed gets a chance to see it.
21578 * fixinc/inclhack.sh: regen
21579 * fixinc/fixincl.x: regen
21581 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
21583 Add framework to support armv5 architecture when it becomes
21586 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
21587 (arm_arch5): New variable.
21588 (all_architectures): Add armv5 line.
21589 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
21590 -march=armv5 is specified on the command line.
21591 (arm_arch5): Export this variable.
21592 * invoke.texi: Document new string accepted by -march= switch for
21595 * config/arm/arm.h: Replace use of constant 12 as a register
21596 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
21597 * config/arm/arm.c: Replace use of constant 12 as a register
21598 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
21600 * config/arm/elf.h: Tidy up.
21601 * config/arm/coff.h: Tidy up.
21603 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
21605 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
21606 * gcc/config/mips/t-iris6gld: New file.
21607 * gcc/config/mips/iris6gld.h: Likewise.
21609 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
21611 * c-decl.c (widest_integer_literal_type_node,
21612 widest_unsigned_literal_type) : New.
21613 (init_decl_processing): Handle/use the two new types.
21614 * c-common.c (type_for_size,type_for_mode) : Same.
21615 * c-lex.c (yylex) : Same.
21616 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
21618 * c-tree.h (widest_integer_literal_type_node,
21619 widest_unsigned_literal_type) : New.
21621 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
21623 * dwarfout.c (field_byte_offset): Correctly compute the object's
21624 byte offset for the first bit of a field which crosses an alignment
21625 boundary on a !BYTES_BIG_ENDIAN target.
21627 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
21629 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
21632 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
21633 Jeff Law <law@cygnus.com>
21635 * ginclude/varargs.h (va_dcl): Use word_mode for type of
21638 * except.c: Include intl.h.
21639 (expand_eh_return): Set current_function_cannot_inline.
21640 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
21641 * function.h (struct function): Add eh_return_stub_label.
21642 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
21643 * Makefile.in (except.o): Depend on intl.h.
21645 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
21647 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
21648 same as offsettable in cases 1 and 2.
21650 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
21652 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
21653 (extlh, extwh): Likewise.
21655 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
21657 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
21659 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
21661 * configure.in: Add arm-pe and thumb-pe targets.
21662 * configure: Regenerate.
21664 * thumb.c (arm_naked_function_p): New function: Determines if
21665 a function is naked (has no gcc generated prologue/epilogue).
21666 (is_called_in_ARM_mode): Return true if the func has the
21667 interfacearm attribute.
21668 (output_return): Do not generate a return for naked functions.
21669 (thumb_function_prologue): Do not generate a prologue for
21671 (thumb_expand_prologue): Do not generate a prologue for naked
21673 (thumb_expand_epilogue): Do not generate an epilogue for naked
21675 (arm_valid_machine_decl_attribute): New function, copied from
21676 arm.c: Permit naked and interfacearm attributes.
21678 * config/arm/pe.c: New file: Support code for arm-pe target.
21679 * config/arm/pe.h: New file: Header file for arm-pe target.
21680 * config/arm/tpe.h: New file: Header file for thumb-pe target.
21681 * config/arm/t-thumb-pe: New file: Makefile fragment for
21684 1999-07-01 Mark Kettenis <kettenis@gnu.org>
21686 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
21687 -fPIC or -fpic is specified.
21689 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
21691 * expr.c (emit_block_move): Use copy_to_mode_reg for
21692 !TARGET_MEM_FUNCTIONS case too.
21694 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
21696 * configure: Rebuilt.
21697 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
21698 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
21699 definitions made redundant by dbxelf.h inclusion. Delete
21700 lots of definitions related to assembly output that are
21701 specific to the SOM object format.
21702 * pa.c (output_function_prologue): Do not emit the function's
21704 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
21705 * pa-pro.h: Deleted.
21706 * som.h: New file with SOM specific definitions.
21707 * elf.h: New file with ELF specific definitions.
21709 * elfos.h (const_section): Output a tab before assembler directives.
21710 (ctors_section, dtors_section): Likewise.
21711 (ASM_OUTPUT_SECTION_NAME): Likewise.
21713 * pa/pa1.h: Delete unused file.
21715 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
21717 * configure.in (hppa*-hp-hpux11*): New configuration.
21718 * configure: Rebuilt.
21719 * pa/pa-hpux11.h: New file.
21720 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
21723 * mips.md (leasi, leadi): New patterns.
21725 * expr.c (emit_block_move): Properly handle case where one of the
21726 block move arguments has a queued increment or decrement.
21727 (clear_storage): Similarly. Fix formatting goof.
21729 1999-06-28 "David O'Brien" <obrien@NUXI.com>
21731 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
21732 semicolon from the BSD VA_LIST replacement expression.
21734 * fixinc/inclhack.sh: regen
21735 * fixinc/fixincl.x: regen
21737 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
21738 now use the fixincl program.
21740 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
21742 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
21743 case. Also make the PIC register call_used.
21745 * m68k.h (FINALIZE_PIC): Delete.
21746 * m68k.c (finalize_pic): Delete.
21748 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
21750 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
21753 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
21755 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
21757 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
21759 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
21761 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
21763 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
21765 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
21767 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
21769 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
21771 * rs6000.c (output_toc): Always use hex values for floating-point
21772 constants. Store single-precision values in upper-half of TOC
21773 entry in 64-bit mode.
21774 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
21775 to final constraints.
21776 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
21777 (fctiwz): Improve accuracy of RTL for pattern.
21779 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
21781 * expr.c (expand_expr): Allow RTL_EXPR's through the
21782 MAX_INTEGER_COMPUTATION_MODE checks.
21784 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
21786 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
21787 such that MASK_SUPPORT_ARCH is not negative.
21789 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
21791 * loop.c (verify_dominator): Properly handle ADDR_VEC and
21792 ADDR_DIFF_VEC insns that appear inside loops.
21794 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
21795 Jeff Law <law@cygnus.com>
21797 * rs6000.md (movdf_hardfloat32): Revert previous patch.
21798 Handle LO_SUM the same as offsettable in cases 1 and 2.
21799 * rs6000.c (find_addr_reg): Revert previous patch.
21801 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
21803 * system.h (strstr): New external function declaration.
21804 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
21805 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
21806 * config.in, configure: Rebuilt.
21808 1999-06-24 Tom Tromey <tromey@cygnus.com>
21810 * gcc.c (main): Read user-specified specs files after computing
21811 additional startfile_prefixes.
21813 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
21815 Revert these two patches:
21817 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21818 * loop.c (strength_reduce): When doing biv->giv conversion, update
21819 reg note of NEXT->insn.
21821 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21822 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21824 (recombine_givs): Set ix field after sorting.
21826 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21828 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
21829 for the parts of an UNSPEC / UNSPEC_VOLATILE.
21831 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
21833 *fixinc/inclhack.def: Add fix development commentary
21834 (read_ret_type): reactivate and add selection clause
21835 (zzz_*): tweak output file name to match what is used in hackshell.tpl
21836 *fixinc/{fixincl.x|inclhack.sh}: regen
21838 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
21840 * expr.c (expand_expr): STRIP_NOPS before checking against
21841 MAX_INTEGER_COMPUTATION_MODE
21842 (check_max_integer_computation_mode): Likewise.
21844 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
21846 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
21848 1999-06-22 Jim Wilson <wilson@cygnus.com>
21850 * expr.c (store_expr): When target is a promoted subreg, return a
21851 promoted subreg as a result.
21853 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
21855 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
21857 (dwarf2out_define): Mark unused parameters appropriately.
21858 (gen_unspecified_parameters_die): Ditto.
21859 (gen_subprogram_die): Fix signed/unsigned warnings.
21860 (gen_variable_die): Ditto.
21862 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
21864 * fixinc/inclhack.def(end_else_label): combined else_label
21865 and endif_label and fixed the sed expression.
21866 *fixinc/{fixincl.x|inclhack.sh}: regen
21868 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
21870 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
21871 'x' when handling non-offsettable addresses
21873 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
21875 * final.c (shorten_branches): Don't try to split an insn that has
21878 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
21880 * config/mips/mips.c (symbolic_expression_p): New function.
21881 (mips_select_rtx_section): Put symbolic expressions in the
21882 data section, not the read-only data section.
21884 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
21886 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
21888 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
21890 * collect2.c (main): Log frame table count.
21891 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
21892 (scan_prog_file) [COFF]: Handle frame tables.
21894 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
21895 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
21896 * alpha/elf.h: Undef them again.
21897 * alpha/vms.h: Remove their definitions.
21899 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21901 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
21902 remove the clobber of r0 and change the REG_UNUSED note to
21905 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
21907 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
21908 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
21909 fits in HOST_WIDE_INT and one uses union to access a long constant
21912 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
21914 * sparc.c (sparc_override_options): Don't allow profiling for
21915 code models other than medlow.
21916 (sparc_function_profiler): New function from old FUNCTION_PROFILER
21917 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
21918 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
21919 (sparc_block_profiler): Likewise.
21920 (sparc_function_block_profiler_exit): Likewise.
21921 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
21922 (FUNCTION_BLOCK_PROFILER): Likewise.
21923 (BLOCK_PROFILER): Likewise.
21924 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
21925 (MCOUNT_FUNCTION): New.
21926 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
21927 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
21928 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
21929 (MCOUNT_FUNCTION): New.
21930 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
21931 (BLOCK_PROFILER): Delete.
21932 (MCOUNT_FUNCTION): New.
21934 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
21936 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
21938 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
21940 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21943 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21946 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21949 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
21952 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
21954 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
21957 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
21959 * i386/djgpp.h (LIB_SPEC): New.
21960 (STARTFILE_SPEC): New.
21962 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
21964 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
21966 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
21969 * system.h (WSTOPSIG): New macro.
21971 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
21973 * c-pragma.c (push_alignment): Don't ignore alignments greater than
21975 (insert_pack_attributes): Take into account member natural
21978 * i386/winnt.c (exports_head): New static variable.
21979 (i386_pe_record_exported_symbol): New function.
21980 (i386_pe_asm_file_end): Use.
21981 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
21982 symbols to be emitted at end of assembly.
21983 (ASM_DECLARE_OBJECT_NAME): Likewise.
21984 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21986 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
21989 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
21991 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
21994 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
21996 * haifa-sched.c (sched_analyze_1): Use free_list instead of
21997 zapping reg_last_uses directly.
21998 (sched_analyze_2, sched_analyze_insn): Likewise.
21999 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
22001 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
22003 * rs6000.md (movdf_hardfloat32): Use worst case insn length
22004 attributes for cases 1 and 2.
22006 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
22008 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
22011 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
22013 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
22015 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
22017 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
22018 PIC_OFFSET_TABLE_REGNUM for general alloaction.
22019 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
22020 must be stacked if it is used for PIC accesses.
22021 * arm.c (use_return_insn): Handle PIC register specially.
22022 (output_return_instruction): Likewise.
22023 (output_func_{prologue,epilogue}): Likewise.
22024 (output_expand_prologue): Likewise.
22026 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
22027 (*strsi_predec): Renamed from *strqi_predec.
22028 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
22029 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
22031 * arm.c (arm_override_options): Remove warning about PIC code
22032 not being supported.
22034 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
22036 * rs6000.c (find_addr_reg): New function.
22037 * rs6000.h (find_addr_reg): Declare.
22038 (offsettable_addr_operand): Delete.
22039 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
22040 from and stores to GPRs.
22042 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
22044 * alpha.c (alpha_expand_block_move): Use get_insns rather than
22045 gen_sequence as argument to emit_no_conflict_block.
22047 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22049 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
22050 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
22051 *fixinc/fixincl.x: regen
22052 *fixinc/inclhack.sh: regen
22054 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
22056 * added support for -mpcrel (PC relative addressing for m68k)
22057 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
22058 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
22059 * m68k.c (print_operand_address): Handle 32-bit PIC case.
22060 (comments for general_src_operand): Add some explanation
22061 about EXTRA_CONSTRAINTS.
22062 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
22063 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
22064 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
22065 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
22066 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
22067 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
22068 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
22069 if not already set.
22070 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
22071 * m68k.h (TARGET_PCREL): New target flag.
22072 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
22073 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
22074 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
22075 contains a SYMBOL_REF. Relax this constraint during reload, since
22076 we want to use the predicates, not reload's built-in concept of a
22077 valid memory address, to control what insns need reloading.
22078 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
22079 operands (essentially 'g', 'm', and 's' under normal circumstances).
22080 * m68k.c (print_operand): Cause printing of pc-relative addresses
22081 to include pc register.
22082 (print_operand_address): Ditto.
22083 (general_src_operand): Accept operands that are not only
22084 general_operands, but are also valid when used as a pc-relative
22086 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
22087 (memory_src_operand): Similar, for memory_operands.
22088 (pcrel_address): New predicate to accept the special case of a
22089 pc-relative address.
22090 * m68k.md (many patterns): Rewrite common SImode, HImode, and
22091 QImode insns to accept *_src_operand instead of *_operand where
22092 pc-relative operands can fit. For example, a pc-relative operand
22093 can be used as a memory source operand for addsi3, but not as a
22094 memory destination.
22095 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
22097 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
22099 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
22100 .thumb_set pseudo op to mark aliases of thumb functions.
22102 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
22104 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
22105 preference to ASM_OUTPUT_DEF, if it is defined.
22107 * tm.texi: Document new, optional target macro
22108 ASM_OUTPUT_DEF_FROM_DECLS.
22110 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22112 * fixincludes: ISCNTL patch
22113 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
22114 (dgux_int_varargs): new for DG/UX
22115 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
22117 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
22119 * invoke.texi (ia32 options): Fix typo.
22121 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22123 * loop.c (strength_reduce): When doing biv->giv conversion, update
22124 reg note of NEXT->insn.
22126 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
22128 * loop.c (move_movables): Note issues with replacing REGs with
22130 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
22132 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
22134 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
22136 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
22137 the reference to `mcount' was not correct for the ELF on FreeBSD.
22139 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22141 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22144 (recombine_givs): Set ix field after sorting.
22146 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
22148 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
22149 to safe to extract a subword out of a REG.
22151 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22153 * sh.md (mulsi3): Don't add a no-op move at the end.
22155 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22157 * cse.c (cse_insn): Don't put hard register source into tables for
22158 the last insn of a libcall.
22160 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22162 * loop.c (strength_reduce): Insert sets of derived givs at every
22163 biv increment, even if it's the only one.
22165 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22167 * dwarfout.c (add_incomplete_type): New fn.
22168 (output_type): Call it.
22169 (retry_incomplete_types): New fn.
22170 (dwarfout_finish): Call it.
22172 From Eric Raskin <ehr@listworks.com>:
22173 (output_type): Output types for bases.
22175 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22177 * mips.c (mips_output_conditional_branch): Add `break'
22178 between `default' label and `close braces'.
22180 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
22182 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
22183 specifications and make it realistic.
22184 (LIB_SPEC): Likewise.
22186 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
22188 * config/mips/mips.c (mips_secondary_reload_class): Check for
22189 (PLUS (SP) (REG)) and return appropriate register class.
22190 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
22191 Handle (PLUS (SP) (REG)).
22192 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
22193 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
22194 of emit_insn for tablejump.
22196 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
22198 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
22199 asm_fprintf format string by itself.
22200 (output_function_profiler): Likewise.
22202 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
22204 * combine.c (simplify_logical, case AND): Only call
22205 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
22206 or the constant is positive.
22208 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
22210 * configure.in: Fix typo in rs6000-ibm-aix4 case.
22211 * configure: Regenerate.
22213 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
22215 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
22216 require a sub-version #.
22217 * configure: Rebuilt.
22219 1999-06-14 Robert Lipe (robertlipe@usa.net)
22221 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
22223 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
22225 * c-typeck.c (process_init_element): Detect excess elements in
22226 char array initializer.
22228 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22230 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
22232 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22234 * invoke.texi (Option Summary): Add -fpermissive flag.
22236 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
22238 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
22239 that require PIC code sequences.
22241 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
22243 * configure.in: Add new target: thumb-elf.
22244 * configure: Regenerate.
22245 * config/arm/t-thumb-elf: New file: Makefile fragment for
22247 * config/arm/telf.h: New file: Header file for thumb-elf
22250 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
22252 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
22253 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
22254 initializers is some circumstances.
22256 * fixinc/inclhack.def (endif_label): Add additional selector for
22257 more bogus stuff after #endif statements.
22258 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
22260 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
22262 * i386/cygwin.h (SET_ASM_OP): Define.
22264 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
22266 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
22268 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22270 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
22273 * sh.md (ic_invalidate_line_i): Remove second alternative.
22275 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22277 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
22278 test for the presence of valid prototypes. Delete bypass expr.
22279 (ioctl_fix_ctrl): Correct the selection expression.
22280 (no_double_slash): Correct quoting rules
22281 *fixinc/fixincl.x: regen
22282 *fixinc/inclhack.sh: regen
22284 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
22286 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
22288 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22290 * rs6000.md (movsi_got_internal_mem): Delete.
22291 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
22292 (GOT_TOC_REGNUM): Delete.
22293 (PIC_OFFSET_TABLE_REGNUM): Define.
22294 (FINALIZE_PIC): Disable.
22295 * rs6000.c (rs6000_got_register): New code for fixed pic register.
22296 (rs6000_replace_regno): Delete.
22297 (rs6000_finalize_pic): Likewise.
22298 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
22300 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22302 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
22303 is a note; use <= for the compare; advance P while it is
22306 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
22308 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
22309 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
22311 * varasm.c (remove_from_pending_weak_list): Verify t->name
22312 is non-NULL before passing it to strcmp.
22314 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22316 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
22317 the typed arguments are not part of a comment
22318 (ioctl_fix_ctrl): Added a purpose comment
22319 *fixinc/fixincl.x: regenerate
22320 *fixinc/inclhack.sh: regenerate
22322 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22324 * invoke.texi: Add C4x invocation docs.
22326 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22328 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
22330 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
22332 (c4x_legitimize_reload_address): New function.
22333 * config/c4x/c4x.md: Update docs.
22335 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
22337 * fixincludes: Avoid removing '.'.
22338 * fixinc/fixinc.svr4: Likewise.
22339 * fixinc/fixinc.winnt: Likewise.
22340 * fixinc/inclhack.tpl: Likewise.
22341 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
22343 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22345 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
22347 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
22349 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
22351 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
22354 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
22356 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
22357 * configure: Regenerate.
22359 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
22361 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
22364 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
22366 * fixinc/inclhack.def (avoid_bool): Also catch
22367 "typedef [unsigned] int bool".
22368 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22370 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
22371 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
22372 * configure: Rebuilt.
22374 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
22376 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
22377 such that we can override its definitions if necessary.
22378 (CPP_SPEC): New define. Support processor specific predefines via
22380 (CC1_SPEC): New define. Support processor specific compiler
22381 options via %(cc1_cpu).
22382 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
22385 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22387 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
22388 between sed's -e flag, and the open-quote following it.
22389 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22391 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
22392 Jeffrey A Law (law@cygnus.com)
22394 * varasm.c (assemble_start_function): Remove the function
22395 from the pending weak decls list when we define a function.
22396 (assemble_variable): Similarly for variables.
22397 (weak_finish): Ignore items on the list with a NULL name.
22398 (remove_from_ending_weak_list); New function to "remove" an item
22399 from the pending weak declarations list.
22401 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22403 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
22405 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
22407 * c-lex.c (GETC): Redefine to call getch.
22408 (UNGETC): Redefine to call put_back.
22409 (putback_buffer): New structure type.
22410 (putback): New static structure.
22411 (getch): New function.
22412 (put_back): New function.
22413 (yylex): Replace unused bytes from bad multibyte character.
22415 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
22417 * cpplib.c (do_define): Cast `alloca' return value.
22418 (do_include, do_undef, do_pragma): Likewise.
22419 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
22421 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
22422 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
22424 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
22426 * sparc.md (abstf2): This should be an expand.
22427 (split after abstf2_notv9): Fix mode.
22428 (abstf2_hq_v9): New pattern.
22429 (abstf2_v9): Only use when no hard quad.
22430 (absdf2_v9): Fix if target is not the same as source.
22431 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
22432 Add correct output constraints.
22434 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
22436 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
22437 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
22439 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
22441 * mips.h (mips_output_conditional_branch): New function.
22442 (mips_adjust_insn_length): Likewise.
22443 (ASSEMBLER_SCRATCH_REGNUM): New macro.
22444 (ADJUST_INSN_LENGTH): Likewise.
22445 * mips.c (print_operand): Add `F' and `W' for floating-point
22446 comparison opcodes.
22447 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
22449 (mips_adjust_insn_length): New function.
22450 (mips_output_conditional_branch): New function.
22451 * mips.md (length): Adjust attribute definition to handle
22452 conditional branches. Change lengths to bytes, rather than
22453 instructions throughout. Remove length attribute from
22454 instructions whose length is four bytes, and rely on the default
22456 (dslot): Fix typo in comment.
22457 Reword conditional branch patterns to use
22458 mips_output_conditional_branch.
22460 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
22462 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
22463 (LIB_SPEC): Likewise.
22464 Link with -lprof1_r for -g/-pg.
22466 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22468 * loop.c (check_dbra_loop): Fix change of Jan 19.
22470 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
22472 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
22473 (STARTFILE_SPEC): Define, override the svr4.h version.
22474 (ENDFILE_SPEC): Likewise.
22476 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
22478 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
22479 * fixinc/fixincl.x: Regenerated.
22480 * fixinc/inclhack.sh: Regenerated.
22482 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22484 * sh.c (barrier_align): Don't return early for normal branch/barrier
22485 when optimizing for SH2.
22487 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
22489 * i386/udk.h (LINK_SPEC): Correct linker search path for
22492 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22494 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
22495 (braf_label_ref_operand): Delete.
22496 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
22497 * sh.md (casesi_jump_2): Operand1 is now the inside of a
22498 label_ref, and has no predicate.
22499 The patten has a predicate to guard against invalid substitutions.
22500 (dummy_jump): Delete.
22501 (casesi): Update use of casesi_jump_2.
22503 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22505 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
22506 *fixinc/fixincl.x: regenerate
22507 *fixinc/inclhack.sh: regenerate
22509 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
22511 * dwarf2out.c (add_incomplete_type): New fn.
22512 (gen_struct_or_union_type_die): Call it.
22513 (retry_incomplete_types): New fn.
22514 (dwarf2out_finish): Call it.
22516 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
22518 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
22519 current block starts with a CODE_LABEL and ends with a CALL and
22520 we can not find all the argument setup instructions for the CALL.
22522 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
22524 Revert this change:
22525 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
22526 something is a candidate for optimize_bit_field_compare.
22528 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22530 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
22532 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
22534 * alpha.c (override_options): Thinko in last patch.
22536 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
22537 (LIB_SPEC): Recognize -pthread.
22539 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
22541 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
22542 definition in config/arm/coff.h
22543 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
22545 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22547 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
22548 fixes that need "file=xxx\n" prepended before invocation
22549 (start_fixer - new): starting the fixer process is complex enough
22550 to warrent its own routine. It prepends the "file=xxx\n" stuff.
22551 (process): uses the new routine; omit usage of putenv()
22552 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
22553 * fixinc/fixincl.x: regenerate
22555 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
22557 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
22558 and version #s (1.1 -> 2.96) as needed.
22559 * README.g77: Kill way out of date file in the toplevel directory.
22561 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
22563 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
22564 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
22565 * configure: Rebuilt.
22566 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
22567 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
22568 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
22569 (SWITCH_TAKES_ARG): Likewise.
22570 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
22571 * config/t-freebsd: Moved from config/i386/ so it can used for all
22574 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
22576 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
22578 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
22580 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
22581 * configure: Rebuilt.
22583 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
22585 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
22586 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
22587 * rs6000/rs6000.c (rs6000_file_start): Use putc.
22588 (rs6000_output_load_toc_table): Same.
22589 (output_prolog, output_mi_thunk): Same.
22590 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
22591 (ASM_GLOBALIZE_LABEL): Use putc.
22593 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
22595 * alpha.md (reload_*_help): New patterns and splitters.
22596 (reload_*): Use them.
22597 (mov[qh]i): Likewise.
22599 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
22601 * cccp.c (handle_directive): Handle backslash-newlines in quoted
22604 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
22606 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
22608 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
22610 * flow.c (mark_regs_live_at_end, insn_dead_p,
22611 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
22612 and HARD_FRAME_POINTER_REGNUM special treatment if reload
22613 hasn't run or the frame pointer is needed.
22614 * haifa-sched.c (attach_deaths): Likewise.
22615 * sched.c (attach_deaths): Likewise.
22617 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
22619 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
22620 calculate_can_reach_end returns nonzero.
22622 * configure.in (native gas tests): Search for an assembler in the
22623 same manner that the installed compiler will.
22624 * configure: Rebuilt.
22625 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
22627 * alias.c (find_base_term): Improve handling of addresses
22628 constructed from binary operations.
22630 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
22632 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
22634 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
22636 * function.h (cleanup_label, frame_offset): Declare.
22637 (tail_recursion_label, tail_recursion_reentry): Likewise.
22638 (arg_pointer_save_area, rtl_expr_chain): Likewise.
22639 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
22640 (tail_recursion_label, tail_recursion_reentry): Likewise.
22641 (arg_pointer_save_area, rtl_expr_chain): Likewise.
22643 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
22645 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
22647 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
22648 (MAX_OFILE_ALIGNMENT): Define.
22650 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
22652 * fixincl.c: Replace local include scheme with #includes of
22653 gansidecl.h and system.h.
22654 * procopen.c: Likewise.
22655 * server.c: Likewise.
22657 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
22659 * i386/t-dgux (EXTRA_PARTS): Add crti.o
22660 (crti.o): Add build rule and dependencies.
22661 * fixinc/fixinc.dgux: Use modified _int_varargs.h
22663 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22665 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
22666 (LIB_LINUX_SPEC): Likewise.
22667 (LIB_LINUX_SPEC): Add support for -pthread
22668 (CPP_OS_LINUX_SPEC): Likewise.
22669 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
22672 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
22674 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
22676 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
22677 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
22678 for IEEE math and CC_FCOMI.
22679 (put_jump_code): No IEEE if CC_FCOMI is set.
22681 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22683 * fold-const.c (fold_truthop): Make the field reference unsigned
22684 when converting a single bit compare.
22686 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22688 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
22690 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
22692 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
22693 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
22696 * reload.c (push_reload): Do not call remove_address_replacements
22697 when presented with identical optional reloads.
22699 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
22701 * alpha.h (MASK_FIX, TARGET_FIX): New.
22702 (MASK_*): Reorganize constants.
22703 (CPP_AM_FIX_SPEC): New.
22704 (TARGET_SWITCHES): Add FIX.
22705 (EXTRA_SPECS): Likewise.
22706 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
22707 (SECONDARY_MEMORY_NEEDED): Likewise.
22708 (REGISTER_MOVE_COST): Likewise.
22709 * alpha.c (override_options): Add FIX support. Always use
22710 ALPHA_TP_PROG for ev6.
22711 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
22712 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
22713 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
22715 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
22717 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
22718 something is a candidate for optimize_bit_field_compare.
22720 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
22722 * gcc.texi (Passes): Document branch-shortening.
22723 * invoke.texi (Debugging Options): Document the fact that `-dp'
22724 outputs length information for instructions.
22726 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
22728 * flow.c: Revert previous delta.
22730 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
22732 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
22733 FRAME_POINTER_REGNUM.
22734 (mark_set_1): Ditto.
22735 (mark_used_regs): Ditto.
22737 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
22739 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
22740 (GOT_PCREL): New macro. Define to 1 if not already defined.
22741 * arm/elf.h (GOT_PCREL): Define to 0.
22742 * arm.c (arm_finalize_pic): Take into account the setting of
22745 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
22747 * output.h (STRIP_NAME_ENCODING): Provide default definition.
22748 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
22750 * flow.c (mark_set_1): Do not record BLKmode stores as dead
22751 store elimination candidates.
22753 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
22755 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
22758 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
22760 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
22761 Add use of x-aix41-gld.
22763 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
22765 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
22766 (ASM_OUTPUT_DESTRUCTOR): Define.
22768 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
22770 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
22771 last CODE_LABEL in a loop if we have previously passed a jump
22772 to the top of the loop.
22774 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
22776 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
22777 applying Philip's patch.
22779 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
22781 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
22784 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
22786 * loop.c (strength_reduce): Grow reg_single_usage as needed.
22788 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
22790 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
22791 Also remove a useless comment.
22793 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22795 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
22797 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
22799 * collect2.c (main): Only generate import or export file and add
22800 to link arguments if non-empty. Use xmalloc not alloca.
22801 (write_{export,import}_file): Delete.
22802 (write_aix_file): New function.
22803 (locatelib): Use xmalloc not malloc.
22804 (GCC_OK_SYMBOL): Do not check type if aix64.
22806 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
22808 Based on patch by Scott Bambrough and Pat Beirne:
22809 * config/arm/arm.c (making_const_table): New variable.
22810 * config/arm/arm.h (making_const_table): Declare.
22811 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
22813 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
22814 Keep track of when we are building the constant table.
22816 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
22818 * config/arm/arm.c (arm_override_options): Fix erroneous warning
22821 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
22823 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
22826 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
22828 * tm.texi (FUNCTION_ARG): Correct description of a stack element
22831 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
22833 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
22835 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22837 * rs6000.c (output_mi_thunk): Enable full support again.
22839 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22841 * sh.h (BRANCH_COST): Define.
22843 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
22845 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
22847 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
22849 * function.c (assign_stack_local): Align stack slot propertly.
22850 (assign_outer_stack_local): Likewise.
22852 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
22854 * expr.h (lang_expand_constant): Declare.
22855 * toplev.c (lang_expand_constant): Define it.
22856 * varasm.c (output_constant): Use it.
22858 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22860 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
22861 Change function definitions to K&R style.
22863 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22865 * fixinc/fixincl.c: We must not ignore SIGCLD now.
22867 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
22869 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
22870 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
22871 (several places): omit static initialization
22872 (process): use single fd, since only the read fd is used
22873 * fixinc/gnu-regex.c: define 'const' away, if not supported
22874 * fixinc/procopen.c(several places): omit static initialization
22875 * fixinc/server.c: define 'volitile' away, if not supported
22877 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
22879 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
22880 asm_fprintf and %L to generate the label name.
22881 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
22882 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
22884 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
22886 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
22887 insn for a conditional jump can not be found.
22889 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
22891 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
22892 on variables in specific sections other than .sbss and .sdata.
22894 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
22896 * stmt.c (expand_return): Call start_cleanup_deferral and
22897 end_cleanup_deferral around conditional code.
22899 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22901 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
22902 filename lists. Utilizes new "krstr" AutoGen function.
22903 * fixinc/fixincl.x: Rebuilt.
22905 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
22907 * i386.c (output_float_compare): Avoid GNU-C extensions.
22909 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
22911 * version.c: Bump to distinguish mainline tree from the
22914 See ChangeLog.1 for earlier changes.