1 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8 completers from mov.ret instruction.
10 2000-04-14 Richard Henderson <rth@cygnus.com>
12 * fold-const.c (extract_muldiv): Don't distribute and widen
13 multiply across plus for non-sizetype unsigned types.
15 2000-04-14 Richard Henderson <rth@cygnus.com>
17 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
18 If the original source is dead in the incr insn, it's dead now.
20 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
22 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
23 see if DECL_BIT_FIELD needs to still be set.
25 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
27 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
28 print_int_cst_octal with something that's not an INTEGER_CST.
30 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
31 and not a SUBREG to a FLOAT rtl.
33 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
35 * emit-rtl.c (try_split): Avoid infinite loop if the split
36 results in a sequence that contains the original insn.
38 2000-04-13 Andreas Jaeger <aj@suse.de>
40 * config/mips/mips.c (expand_block_move): Pass alignment
41 argument to move_by_pieces in bits, not bytes.
43 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
44 __pic__ for little endian.
46 2000-04-13 Andreas Jaeger <aj@suse.de>
48 * config/i386/i386-protos.h: Add prototype for
49 uno_comparison_operator.
51 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
53 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
54 * calls.c (ECF_PURE): New flag.
55 (emit_call_1): Handle ECF_PURE calls.
56 (initialize_argument_information): Unset ECF_PURE flag too.
57 (precompute_arguments): Precompute for ECF_PURE too.
58 (expand_call): Handle ECF_PURE calls too.
59 (emit_library_call_value_1): Rename no_queue argument to fn_type,
60 accept value of 2 as pure function.
61 (emit_library_call_value, emit_library_call): Rename no_queue argument
63 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
65 * tree.h (DECL_IS_PURE): New macro.
66 (struct tree_decl): Add pure_flag.
67 * c-common.c (enum attrs): Add attribute "pure".
68 (init_attributes): Initialize attribute "pure"
69 (decl_attributes): Handle attribute "pure".
70 * extend.texi (Attribute "pure"): Document.
71 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
73 (flags_from_decl_or_type): Support attribute "pure".
75 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
77 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
78 the token except for numbers and identifiers.
80 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
82 * i386.c (ix86_expand_binary_operator,
83 ix86_expand_unary_operator): Check no_new_pseudos
84 instead of reload_in_progress and reload_completed.
85 (ix86_split_ashldi, ix86_split_ashrdi,
86 ix86_split_lshrdi): Check no_new_pseudos instead
89 2000-04-12 Jeffrey A Law (law@cygnus.com)
91 * function.c (purge_addressof): Unshare any shared rtl created by
92 purge_addressof and its children.
94 2000-04-12 Mark Mitchell <mark@codesourcery.com>
96 * function.c (aggregate_value_p): VOID_TYPE nodes are never
99 2000-04-05 Andreas Jaeger <aj@suse.de>
101 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
102 not compiling PIC code, add flags for mabi=64.
103 (SUBTARGET_CPP_SIZE_SPEC): New.
104 (SUBTARGET_CPP_SPEC): New.
105 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
106 for MIPS/Linux and lots of code needs these defines.
108 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
110 * reorg.c (fill_slots_from_thread): Check side_effects_p when
111 trying the "opposite arithmetic" approach.
113 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
115 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
116 (struct sh_args): Add new field force_mem.
117 (INIT_CUMULATIVE_ARGS): Initialize it.
118 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
120 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
122 * calls.c (expand_call): Do not reverse args in "equal from" field.
123 (emit_library_call_value_1): Emit_libcall_block for const and pure
126 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
128 * reload1.c (reload_combine): Don't enable optimization for fixed
129 registers when encountering a BARRIER.
131 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
133 * builtins.c (expand_builtin_memcmp): Do expansion even with
134 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
136 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
137 stack is propertly aligned; add sanity checking for aligned
139 (expand_library_call_value_1): Add sanity checking for aligned
142 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
144 * calls.c (emit_library_call_value_1): Change 3rd arg to
145 locate_and_pad_parm to disregard the setting of partial.
147 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
149 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
151 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
152 CALL_INSN from the normal case.
154 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
156 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
157 New global variables.
158 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
160 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
162 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
163 TARGET_ADD_ESP_8): New macros.
164 * i386.md: Add peep2s to convert esp adjustments to push and pop
166 (pushsi_prologue, popsi_epilogue): New patterns.
168 2000-04-12 Jakub Jelinek <jakub@redhat.com>
170 * real.c (toe64): Remove stale #endif from the last change.
172 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
174 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
175 * real.c (toe64): Revert previous change.
177 2000-04-12 Jakub Jelinek <jakub@redhat.com>
179 * objc/objc-act.c: Include ggc.h.
180 (objc_tree_index, objc_global_trees): Convert most of the
181 static tree variables into a static array with previous names
183 (objc_ellipsis_node): New variable.
184 (lang_init): Call objc_act_parse_init and c_parse_init.
185 Create objc_ellipsis_node.
186 (build_selector_translation_table): Use objc_ellipsis_node instead
188 (hack_method_prototype): Likewise.
189 (get_arg_type_list): Likewise.
190 (start_method_def): Likewise.
191 (continue_method_def): Likewise.
192 (gen_method_decl): Likewise.
193 (ggc_mark_imp_list): New function.
194 (ggc_mark_hash_table): New function.
195 (objc_act_parse_init): New function.
196 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
197 * c-parse.in (c_parse_init): For objc add roots of objc specific
198 local tree variables.
199 * objc/objc-parse.y: Rebuilt.
200 * objc/objc-parse.c: Rebuilt.
201 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
203 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
205 * cse.c (delete_trivially_dead_insns): Also delete insns
206 that copy a register to itself where the destination is
209 2000-04-11 Richard Henderson <rth@cygnus.com>
211 * flow.c (struct propagate_block_info): Add new_dead, new_live.
212 (propagate_block): Initialize them. Use them in parallel instead
213 of one tmp variable, ie revert much of the 0408 and 0407 functional
214 changes, but keep the structural changes.
215 (mark_set_regs): Take new_dead from propagate_block_info instead.
216 (mark_set_1, mark_set_reg): Likewise.
217 (mark_used_regs): Likewise with new_live.
218 (mark_used_reg): Likewise. Revert 0408 change.
220 2000-04-11 Nick Clifton <nickc@cygnus.com>
222 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
224 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
226 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
228 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
229 const section to output a CONSTRUCTOR based on the same conditions
232 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
234 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
235 * pa/pa-protos.h (output_call): Add additional argument indicating
236 if the call is a sibling/tail call.
237 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
238 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
239 (function_arg, function_arg_partial_nregs): Likewise
240 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
241 (emit_move_sequence): Zero extend certain constants as needed
243 (compute_zdepdi_operands, output_64bit_and): New functions.
244 (output_64bit_ior, function_arg): Likewise.
245 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
246 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
247 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
248 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
249 (output_bvb): Likewise.
250 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
251 (output_call): New argument 'sibcall'. Generate sibcall sequences
253 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
254 (ouput_arg_descriptor): Do not emit argument descriptors for
256 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
258 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
259 (FUNCTION_OK_FOR_SIBALL): Define.
260 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
261 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
262 (CPP_SPEC): Use new spec infrastructure.
263 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
264 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
265 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
266 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
267 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
268 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
269 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
270 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
271 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
272 (FUNCTION_ARG); Call out to C code.
273 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
274 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
275 (MIN_UNITS_PER_WORD): Likewise.
276 * pa/pa.md (cmpdi): New expander.
277 (scc patterns, movstrsi): Not available for TARGET_64BIT.
278 (64bit conditional arithmetic): New patterns.
279 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
280 (movsicc): Not available if modes on all the operands to not match.
281 (movdicc): New expander and associated patterns.
282 (64bit branches): New patterns.
283 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
284 (pre_ldd, post_std): New patterns.
285 (64bit addil, load low part): New patterns.
286 (special movsf constant): Not available for TARGET_64BIT.
287 (movsf, movdf expanders): Force constants into memory.
288 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
289 (64bit movdf/movdi patterns): New patterns.
290 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
292 (extendqidi2, extendhidi2, extendsidi2): Similarly.
293 (adddi3 expander): Allow "arith_operand" for second input.
294 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
295 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
296 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
297 (muldi3): New expander for TARGET_64BIT.
298 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
300 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
301 patterns for TARGET_64BIT.
302 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
303 patterns for TARGET_64BIT.
304 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
305 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
306 (sibcall_epilogue): New expander.
307 (casesi): Tweak for TARGET_64BIT.
308 (call expanders): Set & use the outgoing argument pointer. Use the
309 64bit call patterns as needed. Add additional arg to output_call.
310 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
311 (sibcall, sibcall_internal_symref): New expanders.
312 (sibcall_value, sibcall_value_internal_symref
313 (interspace_jump): Turn into an expander + matching patterns.
314 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
315 * pa/pa64-regs.h: Eliminate trigraph sequences.
316 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
318 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
320 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
321 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
322 cpp_token with cpp_ttype everywhere.
323 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
324 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
325 CPP_BUF_COL. Line and column numbers are unsigned int, not
327 * cpplex.c (cpp_buf_line_and_col): Delete.
328 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
329 'long lineno' to 'unsigned int lineno'.
330 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
332 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
334 * extend.texi: ISO C99 is not a draft anymore.
335 * invoke.texi: ISO C++ is not a draft anymore.
336 * cpp.texi: __cplusplus is required by the ISO standard.
338 * extend.texi (-fthis-is-variable): Undocument.
339 * flags.h (warn_template_debugging): Remove declaration.
340 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
341 -Wenum-clash, -Wtemplate-debugging): Undocument.
343 2000-04-10 Nick Clifton <nickc@cygnus.com>
345 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
347 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
349 (ARM_SIGN_EXTEND): Use HOST_UINT.
350 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
351 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
352 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
353 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
355 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
356 (arm_gen_constant): Use HOST_UINT.
357 (arm_canonicalize_constant): Use HOST_UINT.
358 (arm_reload_in_hi): Use HOST_UINT.
359 (arm_reload_out_hi): Use HOST_UINT.
360 (output_multi_immediate): Use HOST_UINT.
361 (int_log2): Use HOST_UINT.
362 (arm_poke_function_name): Use HOST_UINT.
363 (arm_output_epilogue): Use arm_volatile_func().
364 (output_thumb_prologue): Use arm_strip_name_encoding().
366 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
368 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
369 of sequence point problems.
371 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
373 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
375 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
377 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
379 * sbitmap.h: Whitespace changes and use upper-case macro args.
380 (struct simple_bitmap_def): All sizes now unsigned.
381 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
382 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
383 (sbitmap_vector_alloc): Parms and local vars now unsigned.
384 (sbitmap_zero): Cast bzero arg to PTR.
385 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
386 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
387 loop to make structure clearer.
388 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
389 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
390 (sbitmap_a_and_b_or_c): Likewise.
391 (sbitmap_intersection_of_succs): Minor cleanups.
392 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
393 (sbitmap_union_of_preds): Likewise.
394 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
395 (debug_sbitmap): New function.
397 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
398 * c-typeck.c (convert_for_assignment): Likewise.
400 * expmed.c (init_expmed): Don't free objects we make.
401 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
403 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
404 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
406 * gcse.c (expr_hash_table_size): Now unsigned.
407 (compute_ae_gen): Local variable `i' now unsigned.
408 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
409 (compute_transout, hoist_code): Likewise.
410 (compute_local_properties): Likewise, also hash_table_size.
411 (alloc_expr_hash_table): N_INSNS now unsigned.
412 (delete_null_pointer_checks): Mark arg F as unused.
414 * regrename.c: Minor cleanups, including chang some variables
417 2000-04-10 Neil Booth <NeilB@earthling.net>
419 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
421 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
423 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
425 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
426 __classof__, and __headof__ from the list of gnu keywords.
427 (-ansi): Remove -foperator-names from list of implied options.
428 Do not call it ANSI C++.
429 (-foperator-names): Document as -fno-operator-names.
431 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
433 * cpphash.c (timestamp): Delete.
434 (del_HASHNODE): If type is T_MCONST, free value.cpval.
435 (special_symbol): Remove unnecessary braces. Remove
436 T_VERSION. Treat T_STDC like T_CONST unless
437 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
438 when one is encountered, then convert them into T_MCONST
440 * cppinit.c (builtin_array): version_string is T_MCONST.
441 __STDC__ has a "1" in its cpval. Don't have a terminator
442 entry. Clean up which entries are dumped.
443 (initialize_builtins): Only __STDC__ gets the special
444 -traditional treatment. Count the length of builtin_array.
445 Render version_string here.
446 * cpphash.h: Remove T_VERSION. Add T_MCONST.
447 * cpplib.h (struct cpp_reader): Remove timebuf.
449 2000-04-09 Richard Henderson <rth@cygnus.com>
451 * genrecog.c (pred): Update comparison_operator for the unordered
454 * config/i386/i386.c (no_comparison_operator): Disallow unordered
456 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
457 (uno_comparison_operator): New.
458 (put_condition_code): Handle UNORDERED/ORDERED.
459 (unsigned_comparison): Likewise.
460 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
461 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
462 (ix86_expand_fp_compare): Use them. Take scratch as argument,
463 update all callers. Handle all 8 unordered operators.
464 (ix86_expand_setcc): Lose the unordered argument, update all callers.
465 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
466 * config/i386/i386.h (PREDICATE_CODES): Update.
467 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
468 (ix86_expand_branch, ix86_expand_setcc): Update.
469 * config/i386/i386.md (sunordered, sordered): New.
470 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
471 (bunordered, bordered): New.
472 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
473 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
474 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
476 2000-04-09 Philip Blundell <philb@gnu.org>
478 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
480 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
482 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
483 fix_truncxfhi2): New patterns.
484 * i386.c (output_fix_trunc): Handle converting to HImode.
486 2000-04-08 Alex Samuel <samuel@codesourcery.com>
488 * ssa.c (convert_to_ssa): Eliminate dead code when calling
490 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
491 (for_each_successor_phi): Change parameter to basic_block.
492 (coalesce_regs_in_successor_phi_nodes): Likewise.
493 (coalesce_regs_in_copies): Likewise.
494 (compute_coalesced_reg_partition): Use basic_block instead of index.
495 * rtl.h (convert_to_ssa): Delete.
496 (convert_from_ssa): Likewise.
497 (successor_phi_fn): Likewise.
498 (for_each_successor_phi): Likewise.
499 (in_ssa_form): Likewise.
500 * basic-block.h (convert_to_ssa): Moved from rtl.h.
501 (convert_from_ssa): Likewise.
502 (successor_phi_fn): Likewise.
503 (in_ssa_form): Likewise.
504 (for_each_successor_phi): Likewise. Change parameter to basic_block.
505 * flow.c (calculate_global_regs_live): Pass a basic_block to
506 for_each_successor_phi.
508 2000-04-08 Richard Henderson <rth@cygnus.com>
510 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
511 was modified in the current insn.
513 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
515 * arm/thumb.md: Delete.
516 * arm/thumb-protos.h: Delete.
518 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
520 Merge changes from merged-arm-thumb-backend-branch onto trunk.
522 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
524 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
527 * arm.md (nop): Use the standard RTL expression. Don't code as a
529 (*arm_nop, *thumb_nop): Delete.
531 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
532 constants. Use casts instead.
533 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
534 output_multi_immediate, arm_poke_function_name): Likewise.
535 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
536 MASK_RETURN_ADDDR): Likewise.
538 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
540 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
543 * arm.md (eh_epilogue): New function.
544 * arm.h (struct machine_function): Move to here ...
545 * arm.c: ... from here.
546 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
547 (thumb_exit): Extra parameter eh_ofs. All callers changed.
548 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
550 2000-03-30 Nick Clifton <nickc@cygnus.com>
552 * config/arm/semi.h (ASM_SPEC): Restore definition.
553 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
555 * config/arm/elf.h (ASM_SPEC): Restore definition.
556 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
558 * config/arm/arm.h (ASM_SPEC): Remove definition.
559 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
561 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
563 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
565 2000-03-24 Nick Clifton <nickc@cygnus.com>
567 Various formating tidyups, elimination of compile time
568 warnings and synchronisation with internal sources:
570 * config/arm/arm-protos.h (assemble_align): Add prototype.
571 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
572 (gen_comapre_reg): Rename to arm_gen_compare_reg.
573 (arm_return_addr_rtx): Rename to arm_return_addr.
575 * config/arm/arm.c: Include except.h.
576 Define shorter typenames for strict minipool_node and struct
578 (arm_return_in_memory): For WinCE return all structures <= 32 bits
580 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
581 (gen_comapre_reg): Rename to arm_gen_compare_reg.
583 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
585 (ASM_SPEC): Define if not already defined.
586 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
588 * config/arm/arm.md: Rename references to gen_rotated_half_load to
589 arm_gen_rotated_half_load, and references to gen_comapre_reg to
591 (indirect_jump): Only accept register operands.
592 (load_indirect_jump): Keep this pattern since combine can generate
595 * config/arm/coff.h: Include aout.h.
596 (MULTILIB_DEFAULTS): Only define if not already defined.
598 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
599 into arm.h (so that COFF ports can support thumb based aliases).
600 (ASM_SPEC): Move definition into arm.h
602 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
604 (ASM_SPEC): Move definition to arm.h
606 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
608 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
609 for entries in the .bss section
611 2000-03-23 Nick Clifton <nickc@cygnus.com>
613 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
614 to thumb_far_jump_used_p.
616 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
617 single integer parameter.
619 * config/arm/arm.c (struct machine_function): Add two new
620 fields, 'far_jump_used' and 'arg_pointer_live'.
621 (thumb_far_jump_used_p): Once the decision has been made that
622 far jumps might be used, always return true.
623 If being called from the initial elimination offset macro then
624 do not bother to perform the test if the arg pointer is not
626 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
627 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
629 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
631 * arm.c (output_return_instruction): Handle more cases where we can
632 return from a function with an ldr instruction.
633 (arm_output_epilogue): Likewise.
635 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
636 if we need to push a large stack frame and there are no callee-saved
639 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
640 in ARM code if the frame pointer has been eliminated.
642 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
643 unspec_volatile arguments to avoid duplicates.
644 (consttable_1, consttable_2): Fixes for big-endian mode.
646 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
649 Re-write constant pool code.
650 * arm.c (minipool_node, minipool_fix): New types.
651 (minifix): Delete type.
652 (arm_add_minipool_constant): Delete.
653 (arm_compute_minipool_offsets, arm_find_barrier,
654 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
655 (get_jump_table_size): Now returns HOST_WIDE_INT.
656 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
658 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
659 (assign_minipool_offsets, arm_print_value): Likewise.
660 (dump_minipool): Rewrite.
661 (arm_barrier_cost): New function.
662 (create_fix_barrier): New function.
663 (push_minipool_barrier): New function.
664 (push_minipool_fix): Record additional information about the fixup
666 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
667 check the mode of what needs fixing.
668 (arm_reorg): Rewrite.
670 2000-03-08 Nick Clifton <nickc@cygnus.com>
672 * config/arm/arm.md (indirect_jump): Force constant addresses into
675 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
677 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
679 2000-02-24 Nick Clifton <nickc@cygnus.com>
681 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
682 adjust is word aligned.
683 (thumb_expand_epilogue): Make sure that stack adjust is word
686 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
688 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
690 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
691 pointer relative addresses.
693 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
695 * arm.c (find_barrier): Find the last barrier within the allowed
698 2000-02-09 Nick Clifton <nickc@cygnus.com>
700 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
702 2000-02-09 Nick Clifton <nickc@cygnus.com>
704 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
705 ARM_FUNCTION_PROFILER.
707 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
708 ARM_FUNCTION_PROFILER.
710 * config/arm/linux-oldld.h: Imported from mainline sources.
712 2000-02-07 Nick Clifton <nickc@cygnus.com>
714 * config/arm/lib1funcs.asm: Merge in thumb functions from
717 * config/arm/lib1thumb.asm: Delete.
719 2000-02-04 Nick Clifton <nickc@cygnus.com>
721 * config/arm/arm.c: Sychronised with current Red hat local
723 * config/arm/arm.h: Ditto.
724 * config/arm/arm-protos.h: Ditto.
726 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
728 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
730 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
733 2000-02-02 Nick Clifton <nickc@cygnus.com>
735 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
737 * config/arm/arm.md (epilogue): Fix rtl checking abort because
738 (return) was emited using an emit_insn() call.
740 2000-01-31 Nick Clifton <nickc@cygnus.com>
742 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
744 (thumb_exit): Move frame pointer back into hard frame pointer
745 register if backtracing is being used.
747 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
749 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
752 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
754 * config/arm/arm.md (neg_pool_offset): Provide default for new
756 (arm_movsi_insn): Add neg_pool_offset attribute.
757 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
758 rtx for the insn that starts the scan and an unsigned long for its
759 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
760 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
761 instructions in *PINSERTED.
762 (struct minipool_fixup): Add MIN_ADDRESS elt.
763 (sort_fixups): Compute it.
764 (arm_reorg): Changes to support inserting pools before the insn to be
767 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
769 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
770 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
771 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
773 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
775 * config/arm/semi.h (TARGET_VERSION): Do not define if already
777 (TARGET_DEFAULT): Do not define if already defined.
779 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
781 * config/arm/arm.md (anddi3): Allow disjoint source operands.
782 (iordi3): Allow disjoint source operands.
783 (xordi3): Allow disjoint source operands.
784 (negdi2): Permit construction for ARM and Thumb.
785 (arm_negdi2): Renamed version of old negdi2 pattern.
786 (thumb_negdi2): New pattern: Only permit non-overlapping
787 source and destination.
789 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
791 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
792 scratch low register so that it will not be deleted.
794 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
796 * config/arm/pe.h (ARM_PE): Define.
798 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
799 interfacearm attribute if this is a PE toolchain.
800 (output_return_instruction): Do not emit anything if the function
801 has the naked attribute set.
802 (is_called_in_ARM_mode): If the function has the interfacearm
803 attribute then return true.
804 (thumb_expand_prologue): Do not generate a prologue for naked
806 (thumb_expand_epilogue): Do not generate an epilogie for a naked
808 (output_thumb_prologue): Do not bother if the function is naked.
809 Strip PE encoding from function name before emitting.
811 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
813 * arm.md (pic_load_addr): Fix constraints.
815 * arm.md (casesi_insn): Fix mis-applied patch.
817 * arm.md ("core" function unit): Add rules for single- and
819 (All TARGET_THUMB patterns): Add "type" attribute information
821 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
822 the following insn is a CALL.
824 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
826 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
827 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
828 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
830 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
832 * config/arm/linux-gas.h: oops - this file was missed out when the
833 branch was created...
835 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
837 * thumb.c: Deleted. Move contents to ...
839 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
841 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
844 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
845 declare a prototype for asm_output_align();
847 * arm.c (thumb_condition_code): Delete.
848 (arm_print_operand): Always use arm_condition_code array.
850 * arm.c (thumb_return_addr_rtx): Delete.
851 (arm_save_machine_status, arm_restore_machine_status): Delete.
852 (arm_init_machine_status, arm_mark_machine_status): New functions.
853 (arm_init_expanders): Update accordingly.
854 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
855 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
856 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
858 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
860 * configure.in : Fix arm-*-aout target to use new t-arm-aout
862 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
865 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
867 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
868 stack backtrace structure.
870 * config/arm/arm-protos.h: Add prototypes for functions defined in
873 * config/arm/arm.c (arm_override_options): Fix selection of
874 attributes of default processor.
876 * config/arm/coff.h: Delete needless #include.
878 * config/arm/pe.c: Delete unused code.
880 * config/arm/pe.h (CPP_DEFINES): Delete
881 (SUBTARGET_CPP_SPEC): Define.
882 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
884 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
886 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
888 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
890 (CAN_DEBUG_WITHOUT_FP): Define.
891 (FIXED_REGISTERS): Make r11 call-saved.
892 (CALL_USED_REGISTERS): Likewise.
893 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
894 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
895 frame-pointer is required.
896 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
897 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
898 if the target normally needs a stack frame in non-leaf functions.
899 (use_return_insn): Correct logic for determining when a return
900 instruction can be used.
901 (output_return_instruction): Handle the frame-pointer register as
902 a normal register when not TARGET_APCS_FRAME.
903 (arm_output_prologue): Likewise.
904 (arm_output_epilogue): Likewise.
905 (output_func_epilogue): Likewise.
906 (arm_expand_prologue): Likewise.
907 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
909 * arm.c (use_return_insn): No need to check floating point regs if
911 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
912 the code of value stored in the minipool array.
913 (arm_add_minipool_constant): Likewise.
915 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
917 * basic-block.h (conflict_graph_enum_fn): K&R fix.
919 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
921 * tree.c (tree_expr_nonnegative_p): New function.
923 * tree.h (tree_expr_nonnegative_p): Declare.
925 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
926 elide some sign_compare warnings.
927 (build_conditional_expr): Likewise.
929 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
931 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
933 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
934 * i386.c (print_operand): Use the proper suffix for a 387 HImode
935 operand. Abort if a 387 operand has an unsupported size.
937 2000-04-08 Neil Booth <NeilB@earthling.net>
939 * cppexp.c (parse_charconst): Null does not end character
941 * cppinit.c (ISTABLE): Null character handled as whitespace.
942 * cpplex.c (null_warning): new function.
943 (skip_string): Emit warning if nulls encountered.
944 (_cpp_skip_hspace): Emit warning if nulls encountered.
945 (_cpp_lex_token): Emit warning if nulls encountered. Drop
949 2000-04-07 Richard Henderson <rth@cygnus.com>
951 * flow.c (loop_depth): Remove.
952 (reg_next_use, cc0_live, mem_set_list): Replace with ...
953 (struct propagate_block_info): New.
954 (life_analysis): Don't allocate reg_next_use.
955 (propagate_block_delete_insn): Break out of propagate_block.
956 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
957 (propagate_block_delete_libcall): Likewise.
958 (propagate_block): Create a propagate_block_info struct to pass
959 to subroutines. Allocate one not two temporary regsets. Don't
960 clobber memory for const calls. Look for clobbers in
961 CALL_INSN_FUNCTION_USAGE.
962 (mark_set_regs): Recognize COND_EXEC.
963 (mark_set_reg): Break out of mark_set_1.
964 (mark_used_reg): Break out of mark_used_regs.
965 (mark_used_regs): Recognize COND_EXEC.
966 (insn_dead_p): Use propagate_block_info struct.
967 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
968 (find_auto_inc, try_pre_increment_1): Likewise.
969 (print_rtl_with_bb): Dump regs live at end too.
970 (count_reg_sets_1): Pass in loop_depth.
971 (count_reg_sets, count_reg_references): Likewise.
972 (recompute_reg_usage): Provide it.
974 2000-04-07 Richard Henderson <rth@cygnus.com>
976 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
979 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
981 * cpplib.c (do_elif): Skip the rest of the line if we're
982 not going to bother evaluating it.
983 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
984 to avoid pointless calls to the lexer.
986 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
988 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
990 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
992 * calls.c (expand_call): emit_queue if we're trying a sibcall.
994 2000-04-07 Jakub Jelinek <jakub@redhat.com>
996 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
998 2000-04-06 Geoff Keating <geoffk@cygnus.com>
1000 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
1001 crtend so they can be multilibbed.
1002 (STAGESTUFF): Remove s-crt and s-crtS.
1004 2000-04-07 Richard Henderson <rth@cygnus.com>
1006 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
1007 if we discover we need a pseudo and no_new_pseudos is true.
1008 * config/alpha/alpha.md (ne:DI insn): New.
1009 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
1011 2000-04-07 Richard Henderson <rth@cygnus.com>
1013 * rtl.def (COND_EXEC): New.
1014 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
1015 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
1017 * genconfig.c (have_cond_arith_flag): Remove.
1018 (have_cond_exec_flag): New.
1019 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
1020 (main): Print HAVE_conditional_execution.
1022 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
1023 (sched_analyze_insn, print_pattern): Likewise.
1024 * reload.c (find_equiv_reg): Likewise.
1025 * rtlanal.c (reg_referenced_p): Likewise.
1026 (note_stores, dead_or_set_regno_p): Likewise.
1027 (reg_overlap_mentioned_p): Rewrite to use a switch.
1029 * ggc.h (struct rtx_def): Forward declare.
1031 * print-rtl.c (debug_rtx_range): New.
1032 * rtl.h (debug_rtx_range): Declare.
1034 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
1036 * gcse.c (gcse_main): Don't rebuild the CFG here.
1037 (delete_null_pointer_checks): Likewise.
1038 * ssa.c (convert_to_ssa): Likewise.
1039 * toplev.c (rest_of_compilation): Do it here instead. Combine
1040 sequential calls to TIMEVAR. Consistently use `insns' instead of
1041 `get_insns()'. Always split insns after reload when optimizing.
1043 * basic-block.h (merge_blocks_nomove): Declare.
1044 (tidy_fallthru_edge): Declare.
1045 * flow.c (merge_blocks_nomove): Document as merging into previous
1046 blocks. Remove cruft from between blocks; remove all edges out of A.
1047 (tidy_fallthru_edge): Export.
1049 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1051 * ssa.c (compute_conservative_reg_partition): Declare with
1053 * toplev.c (clean_dump_file): Remove previously-deleted function
1054 inadvertantly merged back in.
1055 * conflict.c (conflict_graph_add): Use a single call to
1056 htab_find_slot to look up and insert.
1058 2000-04-06 Richard Henderson <rth@cygnus.com>
1060 * genrecog.c (*): Rename _last_insn to last_insn.
1061 (make_insn_sequence): Set the position of the peephole2 C test
1062 to be at the last insn.
1064 2000-04-06 Richard Henderson <rth@cygnus.com>
1066 * flow.c (compute_flow_dominators): Free worklist.
1068 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
1070 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
1072 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1074 * rtl.h (INSN_P): New macro.
1075 (successor_phi_fn): New typedef.
1076 (for_each_successor_phi): New prototype.
1077 (in_ssa_form): New variable.
1078 (PHI_NODE_P): Likewise.
1079 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
1080 phi nodes in successors.
1081 (mark_used_regs): Add PHI case.
1082 (set_phi_alternative_reg): New function.
1083 (life_analysis): Assert that dead code elimination is not selected
1085 * toplev.c (to_ssa_time): New variable.
1086 (from_ssa_time): Likewise.
1087 (compile_file): Zero to_ssa_time and from_ssa_time.
1088 Print time to convert to and from SSA.
1089 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
1090 (print_time): Compute percent fraction as integer.
1091 * ssa.c (PHI_NODE_P): Moved to rtl.h.
1092 (convert_to_ssa): Check if we're already in SSA.
1093 Don't eliminate dead code in life_analysis.
1094 Rerun flow and life analysis at bottom.
1095 (eliminate_phi): Use canonical regnos when adding nodes.
1096 (mark_reg_in_phi): New function.
1097 (mark_phi_and_copy_regs): Likewise.
1098 (convert_from_ssa): Rerun life analysis at top.
1099 Use coalesced partition.
1100 Check for removing a phi node at the end of the block.
1101 (compute_coalesced_reg_partition): New function.
1102 (coalesce_regs_in_copies): Likewise.
1103 (coalesce_reg_in_phi): Likewise.
1104 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
1105 (for_each_successor_phi): Likewise.
1106 (rename_context): New struct.
1107 (rename_block): Use a rename_context with rename_insn_1. When
1108 renaming sets of a subreg, emit a copy of the entire reg first.
1109 (rename_insn_1): Treat data as a rename_context *. Save current
1111 (rename_set_data): Add field set_insn.
1112 * Makefile.in (HASHTAB_H): Move up in file.
1113 (OBSTACK_H): New macro.
1114 (collect2.o): Use OBSTACK_H in dependencies.
1115 (sdbout.o): Likewise.
1116 (emit-rtl.o): Likewise.
1117 (simplify-rtx.o): Likewise.
1118 (fix-header.o): Likewise.
1119 (OBJS): Add conflict.o.
1120 (conflict.o): New rule.
1121 * basic-block.h: Include partition.h.
1122 (conflict_graph): New typedef.
1123 (conflict_graph_enum_fn): Likewise.
1124 (conflict_graph_new): New prototype.
1125 (conflict_graph_delete): Likewise.
1126 (conflict_graph_add): Likewise.
1127 (conflict_graph_conflict_p): Likewise.
1128 (conflict_graph_enum): Likewise.
1129 (conflict_graph_merge_regs): Likewise.
1130 (conflict_graph_print): Likewise.
1131 (conflict_graph_compute): Likewise.
1132 * conflict.c: New file.
1134 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1136 * tlink.c (read_repo_files): Don't look for .rpo info for
1139 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1141 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1143 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1145 * config/sh/lib1funcs.asm (___udivsi3_i4):
1146 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1147 only depends on FMOVD_WORKS.
1149 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1151 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1152 make double constant 8-byte aligned.
1154 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1156 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1157 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1158 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1159 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1160 Accept storing GENERAL_REGS into offsetable memory.
1161 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1162 building a TFmode constant other than 0.0L into GENERAL_REGS.
1164 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1166 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1168 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1170 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1171 (macro_cleanup): No need to cast pbuf->macro.
1172 (collect_expansion): Use _cpp_get_define_token. Goto done if
1173 it returns VSPACE. Remove check for trailing space after
1175 (_cpp_create_definition): Don't diddle flags here. Return
1177 (unsafe_chars): Handle c1 being EOF.
1178 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1179 checks. Don't push the buffer till after we're done with
1181 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1182 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1183 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1185 (_cpp_parse_assertion): Don't NUL terminate.
1186 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1187 hspace before calling _cpp_parse_assertion. Remove all sets
1188 of only_seen_white. Treat '\f' as hspace. Don't do anything
1189 special with '\n' here.
1190 (maybe_macroexpand): Handle T_EMPTY hash entries without
1191 pushing a buffer at all.
1192 (cpp_get_token): Handle clearing only_seen_white here. Handle
1193 incrementing the line number here. Clear
1194 potential_control_macro as well as only_seen_white, if
1196 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1197 (_cpp_get_define_token): New function, basically like
1198 _cpp_get_directive_token was but doesn't eat horizontal space.
1199 Don't do anything with only_seen_white here.
1200 (_cpp_get_directive_token): Just call _cpp_get_define_token
1201 repeatedly till it returns non-hspace.
1203 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1204 (conditional_skip, skip_if_group): Return int.
1205 (DIRECTIVE_TABLE): Change origin of all conditional directives
1207 (TRAD_DIRECT_P): New macro.
1208 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1209 an error for a bogus directive, unless -lang-asm. Use
1210 TRAD_DIRECT_P. Loop calling handler functions till one returns
1212 (get_macro_name): Don't diddle flags here.
1213 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1214 Create T_EMPTY nodes for #define macro /* nothing */.
1215 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1216 Use hp->name when calling pass_thru_directive.
1217 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1218 Return the result of conditional_skip and/or skip_if_group.
1219 Don't call _cpp_output_line_command.
1220 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1221 Issue -Wtraditional warnings as appropriate. Don't complain
1222 about unrecognized directives. If we are to stop skipping,
1223 return the number of the directive that ended the skip.
1224 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1225 expansion and line commands while skipping. Return the result
1226 of consider_directive_while_skipping, if nonzero.
1227 (do_endif): Just set potential_control_macro here.
1228 (validate_else): Use _cpp_get_directive_token.
1229 (do_assert, do_unassert): Don't save pointers into the
1230 token_buffer across calls to the lexer. Use
1231 _cpp_get_directive_token.
1233 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1234 pointer, not an offset. Replace 'data', which was a generic
1235 pointer, with 'macro', which points to a struct hashnode.
1236 (cpp_reader): Add 'potential_control_macro' pointer.
1237 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1238 (CPP_BUF_GET, CPP_FORWARD): Delete.
1239 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1240 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1241 ACTIVE_MARK_P): Update.
1242 (_cpp_get_define_token): New internal function.
1243 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1245 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1247 * configure.in: And here.
1248 * configure: Regenerate.
1249 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1250 --enable-libstdcxx-v3 is passed at configure time.
1251 * config.h.in: Regenerate.
1253 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1255 * final.c (final): Use xcalloc to allocate line_note_exists.
1256 * function.c (free_after_compilation): Free the temp_slots.
1257 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1258 (combine_temp_slot): Free temp_slots when they get combined.
1259 (purge_addressof): Fix typo in comment.
1260 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1261 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1263 * ggc.h: Include varray.h.
1264 (ggc_pending_trees): Declare.
1265 (ggc_mark_tree_children): Remove declaration.
1266 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1267 * ggc-common.c (ggc_pending_trees): New variable.
1268 (ggc_mark_roots): Call ggc_mark_trees.
1269 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1270 the ggc_pending_trees.
1271 * Makefile.in (GGC_H): New variable. Use it throughout in place
1274 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1276 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1279 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1281 * sh.c (sh_insn_length_adjustment): New function.
1282 * sh-protos.h (sh_insn_length_adjustment): Declare.
1283 * sh.h (ADJUST_INSN_LENGTH): Use it.
1285 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1287 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1288 from the insn where REG_RETVAL is added.
1289 (emit_no_conflict_block): Ditto.
1291 * md.texi (Standard Names): Clarify when movX is needed.
1293 * combine.c (simplify_comparison) [MINUS]: Do not replace
1294 all (op (minus A B) 0) with (op A B).
1296 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1297 J"orn Rennecke <amylaar@cygnus.co.uk>
1299 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1300 (block_lump_real): Likewise.
1302 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1304 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1305 remaining non-zero debugging masks.
1307 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1309 * basic-block.h (verify_flow_info): Declare.
1310 (flow_loop_outside_edge_p): Declare.
1311 * flow.c (verify_flow_info): Remove declaration.
1312 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1314 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1316 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1319 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1321 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1322 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1323 seqdi_zero_trunc+1): Allow splits only if registers are
1326 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1328 * acconfig.h: Add HAVE_GAS_HIDDEN.
1329 * config.in: Regenerated.
1330 * configure.in: Add test for .hidden pseudo-op in gas.
1331 * configure: Regenerated.
1332 * crtstuff.c: Include auto-host.h.
1333 Emit additional .hidden pseudo-op for __dso_handle if the
1334 assembler knows about it.
1336 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1338 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1339 before freeing argnames.
1340 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1342 2000-04-05 Michael Meissner <meissner@redhat.com>
1344 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1345 Walton <jonboy@gordian.com> to make memory references with update
1346 work wtih -mregnames.
1348 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1351 (regrename_optimize): Rename variables `def_uses' and
1352 `ext_basic_blocks' to avoid conflicts with similarly named
1353 typedefs in traditional C.
1355 * calls.c (initialize_argument_information): Fix typo in previous
1358 2000-04-04 Richard Henderson <rth@cygnus.com>
1360 * regrename.c (consider_available): Test fixed_regs not
1361 PIC_OFFSET_TABLE_REGNUM.
1363 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1365 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1367 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1368 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1369 (ENDFILE_LINUX_SPEC): Always use crtend.
1370 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1371 (powerpc-*-linux-gnu): Likewise.
1372 * configure: Regenerate.
1374 * config/rs6000/eabi.h: Don't include sysv4.h.
1375 (MULTILIB_DEFAULTS): Don't define.
1376 * config/rs6000/eabiaix.h: Don't include eabi.h.
1377 * config/rs6000/eabile.h: Delete.
1378 * config/rs6000/eabilesim.h: Delete.
1379 * config/rs6000/eabisim.h: Don't include eabi.h.
1380 * config/rs6000/linux.h: Don't include sysv4.h.
1381 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1382 (MULTILIB_DEFAULTS): Don't redefine.
1383 * config/rs6000/rtems.h: Don't include eabi.h.
1384 * config/rs6000/sol2.h: Don't include sysv4le.h.
1385 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1386 * config/rs6000/t-ppc: Delete.
1387 * config/rs6000/t-ppcgas: Correct comment.
1388 * config/rs6000/t-ppcos: Correct comment. Don't build
1389 multilibs for -fPIC, rather use -fPIC -mstrict-align
1391 * config/rs6000/t-ppc: Delete.
1392 * config/rs6000/vxppc.h: Don't include sysv4.h.
1393 * config/rs6000/vxppcle.h: Delete.
1394 * configure.in: Use multiple header files for p2pc ELF targets
1395 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1396 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1397 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1398 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1399 always available for these platforms.
1401 2000-04-04 Richard Henderson <rth@cygnus.com>
1403 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1405 2000-04-04 Stan Cox <scox@cygnus.com>
1407 * Makefile.in: Add rules for regrename.o
1408 * regrename.c: New file.
1409 * rtl.h (regrename_optimize): Add prototype.
1410 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1411 (compile_file, decode_d_option): Add support for -frename-registers.
1412 (rest_of_compilation): Call regrename_optimize.
1413 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1416 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1418 * Makefile (gccbug): New target.
1419 (doc): Depend on it.
1420 * gcc.texi (Bugs): Link subnodes.
1422 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1423 Document severities, priorities, and classes in bug form.
1425 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1427 * cpplex.c (trigraph_map, speccase): Combine into single
1429 (NORMAL, NONTRI): New macros.
1430 (_cpp_read_and_prescan): Change to use unified table. Use
1431 is_hspace to test for whitespace.
1433 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1434 definition that doesn't provoke the "empty body in an
1435 if-statement" warning.
1437 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1439 * builtins.c (expand_builtin_strlen): Force the source to
1440 be a memory address.
1442 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1444 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1446 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1448 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1449 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1450 (ECF_IS_CONST): Rename to ECF_CONST.
1451 (special_function_p): Make static, change interface.
1452 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1453 (expand_call) ... here; convert number of variables to flags.
1454 (emit_library_call_vlue_1): Likewise.
1455 (setjmp_call_p): New function.
1456 (initialize_argument_information): Accepts flags as argument;
1458 (precompute_arguments): Likewise.
1459 * tree.h (special_function_p): Remove.
1460 (setjmp_call_p): Add prototype.
1462 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1464 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1465 so that addresses are offsetable by up to 16 bytes.
1466 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1467 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1470 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1471 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1472 (movsf): Don't force any constant to memory if target is integer
1474 Move fp_zero_operand check below the const0_rtx check.
1475 (movtf): Likewise. Also allow fp_zero_operand for stores into
1477 (movdf): Likewise. Also allow fp_zero_operand for stores into
1478 memory and into integer hard registers.
1479 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1480 movdf_const_intreg_sp64): Remove.
1481 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1483 (movdf_no_e_insn_v9_sp32): New pattern.
1484 (movdf_insn_v9only): Remove.
1485 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1486 (movdf_insn_sp64): Remove.
1487 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1488 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1489 (following splits): Rewrite conditions. Add two new splits
1490 for storing 0.0 into memory and registers.
1491 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1492 (movtf_insn_sp32): Redo constraints and conditions.
1493 (movtf_insn_vis_sp32): New pattern.
1494 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1495 (movtf_insn_hq_sp64): Likewise.
1496 (movtf_insn_hq_vis_sp64): New pattern.
1497 (movtf_insn_sp64): Redo constraints and conditions.
1498 (movtf_insn_vis_sp64): New pattern.
1499 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1500 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1502 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1503 -mvis or -m64 to take down the number of various reload patterns.
1505 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1507 * pa/pa-64.h: New file.
1508 * pa/pa64-regs.h: New file.
1509 * pa/pa64-start.h: New file.
1510 * pa/t-pa64: New file.
1511 * pa/xm-pa64hpux.h: New file.
1513 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * sparc.c (output_restore_regs): Prototype.
1516 (sparc_emit_float_lib_cmp): Constification.
1518 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1520 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1523 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1524 (get_value_hash, hash_rtx): Likewise.
1526 * ssa.c (compute_conservative_reg_partition): Prototype.
1528 * tree.c (mark_hash_entry): Prototype.
1530 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1532 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1533 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1534 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1536 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1537 * objc/lang-specs.h: Likewise.
1539 2000-04-03 Neil Booth <NeilB@earthling.net>
1541 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1542 and SYNTAX_ERROR2. Replace `' in messages with ''.
1543 (op_to_str): Make re-entrant.
1544 (_cpp_parse_expr): Implement new error macros. Use | rather
1545 than || to logically or 2 boolean integers. Simply expression
1546 checking we have a left operand iff needed.
1548 2000-04-03 Nick Clifton <nickc@cygnus.com>
1550 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1552 2000-04-03 Philip Blundell <philb@gnu.org>
1554 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1556 2000-04-03 Felix Lee <flee@cygnus.com>
1558 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1559 (run_shell): Use it.
1561 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1563 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1564 (stmp-fixproto): ...rather than here.
1566 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1568 * pa.c (print_operand): Compute 'base' only inside the code paths
1571 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1573 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1576 2000-04-03 Philipp Thomas <pthomas@suse.de>
1578 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1580 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1582 * Makefile.in (alias.o): Depend on $(TREE_H).
1584 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1586 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1588 * cpplib.c (_cpp_handle_directive): Improve warnings for
1589 traditional C and indented directives.
1591 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1592 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1593 fixinc/inclhack.def: Indent the # of #include_next one space.
1594 * cp/rtti.c: Un-indent #if and #endif.
1596 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1597 syntax error, but an error has already been printed.
1598 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1599 message when called with nothing remaining on the line.
1600 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1601 OTHER token, not an ASSERTION.
1602 * cpplib.c (do_assert): When we create a 'base' node, clear
1603 its aschain pointer.
1605 2000-04-02 Neil Booth <NeilB@earthling.net>
1607 * cppexp.c: New typedef op_t. struct operation and struct
1608 token updated to use it.
1609 (op_to_str): New function.
1610 (_cpp_parse_expr): Error messages modified to use op_to_str.
1612 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1614 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1615 before checking MUST_PASS_IN_STACK.
1617 2000-04-02 Neil Booth <NeilB@earthling.net>
1619 * cppexp.c: New FINISHED dummy token. Combine operator initial
1620 flags and initial priority into a single constant. New
1621 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1622 (_parse_cpp_expr): Implement new constants. Take left operand
1623 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1624 parse indicated by reducing FINISHED token. Remove new lines
1625 from cpp_error messages.
1627 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1629 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1632 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1634 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1635 directive. Add origin values to DIRECTIVE_TABLE. Generate
1636 the strings and function names on the fly. Take the #sccs
1637 entry out of the table if SCCS_DIRECTIVE is not defined.
1638 (_cpp_handle_directive): Decide if the # was at the beginning
1639 of the line here. Issue -pedantic warnings for extended
1640 directives here. Warn about K+R directives with the #
1641 indented, and C89/extended directives with the # not indented,
1643 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1644 do_assert, do_unassert): Don't issue pedantic warning here.
1646 * cpphash.h: Add CPP_WTRADITIONAL macro.
1647 * cpplib.h (struct cpp_options): Rename warn_stringify to
1648 warn_traditional; update comments.
1649 * cppinit.c (handle_option): Set warn_traditional not
1651 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1652 CPP_WTRADITIONAL (pfile).
1653 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1654 be ignored in -traditional mode here.
1656 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1657 to initialize speccase[] and trigraph_map[]. Delete all
1658 references to pfile->input_speccase. Always treat '?' as a
1659 special character. Remove table-initialization code from
1660 _cpp_init_input_buffer.
1662 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1663 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1665 2000-04-01 Richard Henderson <rth@cygnus.com>
1667 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1668 (mostlyclean): Likewise.
1670 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1671 (struct dump_file_info, enum dump_file_index, dump_file): New.
1672 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1673 not a string. Clean out file if we havn't yet done so. Do nothing
1674 if the dump isn't enabled.
1675 (close_dump_file): Do nothing if the dump isn't open. Dump
1676 graph data if requested.
1677 (dump_rtl, clean_dump_file): Remove.
1678 (compile_file): Don't clean the dump files. Only finalize .bp dump
1679 if flag_test_coverage or flag_branch_probabilities. Only finalize
1680 .combine dump if optimizing. Iterate over dump_file to finalize the
1682 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1683 Convert all uses of dump_rtl.
1684 (decode_d_option): Iterate over dump_file to implement 'a' and to
1685 locate pass-specific dumps.
1687 2000-04-01 Neil Booth <NeilB@earthling.net>
1689 * cppexp.c: Redefine priority constants.
1690 (_cpp_parse_expr): Replace left and right priority scheme with
1691 single priority logic. Move LOGICAL to same place as COMPARE.
1692 Remove bogus check for multiple unary +/- operators.
1694 2000-04-01 Neil Booth <NeilB@earthling.net>
1696 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1697 within the switch statement. Binary operations break out of
1698 the switch naturally. '(' tokens handled by forcing
1699 immediate shift. ')' handled by forcing immediate reduce to
1700 the previous '('. New error messages.
1702 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1704 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1705 part', it's already in use. Use %K instead. Add a return at the
1706 end of what is now %K.
1707 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1709 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1711 * builtins.c (expand_builtin_apply): Pass proper parameters to
1712 allocate_dynamic_stack_space.
1713 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1714 update stack_pointer_delta; do not update arg_size_so_far.
1715 (compute_argument_block_size): Use stack_delta instead of
1716 stack_pointer_pending and arg_size_so_far.
1717 (expand_call): Add sanity checking for stack_pointer_delta;
1718 save and restore stack_pointer_delta for SIB, use
1719 stack_pointer_delta for alignment; do not update arg_space_so_far.
1720 (emit_library_call_value): Use stack_pointer_delta for alignment.
1721 (store_one_arg): Do not update arg_space_so_far.
1722 * explow.c (adjust_stack, anti_adjust_stack): Update
1723 stack_pointer_delta.
1724 (allocate_dynamic_stack_space): Add sanity checking for
1725 stack_pointer_delta.
1726 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1727 stack_pointer_delta.
1728 (emit_push_insn): Update stack_pointer_delta.
1729 * function.h (struct expr_status): Add x_stack_pointer_delta;
1730 remove x_arg_space_so_far.
1731 (arg_space_so_far): Remove.
1732 (stack_pointer_delta): New macro.
1734 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1736 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1737 Reorder struct cpp_options and struct cpp_reader for better
1738 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1739 takes two args. Change all 'char' flags to 'unsigned char'.
1740 Move show_column flag into struct cpp_options. Don't
1741 prototype cpp_options_init.
1742 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1743 cppinit.c, cpplex.c, cpplib.c:
1744 Replace CPP_OPTIONS (pfile)->whatever with
1745 CPP_OPTION (pfile, whatever), and likewise for
1746 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1748 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1749 Extract CPP_OPTION (pfile, pending) and work with that
1751 (cpp_options_init): Delete.
1752 (cpp_reader_init): Turn on on-by-default options here.
1753 Allocate the pending structure here.
1754 (cl_options, enum opt_code): Define these from the same table,
1755 kept in a large macro. Add -fshow-column and -fno-show-column
1758 * cpperror.c (v_message): If show_column is off, don't print
1761 * cppmain.c: Update for new interface.
1762 * fix-header.c: Likewise.
1764 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1766 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1768 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1769 are passed to any invocation of AR_FOR_TARGET.
1770 (AR_CREATE_FOR_TARGET): New macro.
1771 (AR_EXTRACT_FOR_TARGET): New macro.
1772 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1773 AR_EXTRACT_FOR_TARGET.
1774 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1775 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1776 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1777 AR_EXTRACT_FOR_TARGET to sub-makes.
1779 2000-03-31 Neil Booth <NeilB@earthling.net>
1781 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1783 (_cpp_parse_expr): Check for multiple unary +/- operators.
1784 Correct priorities of ':' and '?'. Treat ')' as having a
1785 value. Ensure conditional expression is not void.
1787 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1789 * alias.c (canon_rtx): Make it global.
1790 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1792 * cse.c (struct table_elt): Add canon_exp.
1794 (invalidate): Canonicalize expressions only once.
1795 * rtl.h (canon_rtx): Declare.
1797 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1799 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1800 * alias.c (reg_known_value): Add comments.
1801 (init_alias_analysis): Likewise.
1802 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1804 (cse_basic_block): Fix typo in comment.
1805 * emit-rtl.c: Include hashtab.h.
1806 (const_int_htab): New variable.
1807 (const_int_htab_hash): New function.
1808 (const_int_htab_eq): Likewise.
1809 (rtx_htab_mark_1): Likewise.
1810 (rtx_htab_mark): Likewise.
1811 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1812 (unshare_all_rtx): Fix formatting.
1813 (init_emit_once): Initialize const_int_htab.
1814 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1816 * rtl.texi: Document the fact that all CONST_INTs with the same
1819 2000-03-30 Richard Henderson <rth@cygnus.com>
1821 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1823 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1825 * configure.in: Comment out --enable-c-cpplib stanza.
1826 * configure: Regenerate.
1828 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * expr.c (store_constructor): Properly compute displacement and
1831 alignment when offset is variable.
1833 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1834 cases of alignment in bytes.
1836 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1838 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1839 since it is used to generate c-parse.y.
1840 * objc-parse.c, objc-parse.y: Regenerated.
1842 * function.c (expand_function_end): Pass alignment argument to
1843 emit_block_move in bits, not bytes.
1845 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1847 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1850 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1852 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1853 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1854 * function.c (assign_parms): Likewise.
1855 * integrate.c (expand_inline_function): Likewise.
1856 * stmt.c (expand_decl): Likewise.
1857 (copy_rtx_and_substitute): Likewise.
1858 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1859 (clear_by_pieces): Fix error in last change.
1860 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1861 * function.h (regno_pointer_align): Now unsigned.
1862 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1864 * config/i386/i386.c (aligned_operand): Likewise.
1865 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1866 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1867 (unaligned_memory_operand): Likewise.
1868 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1869 Also make alignments and sizes unsigned and some whitespace cleanup.
1870 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1872 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1873 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1874 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1875 (expand_builtin_memset): Likewise, but to clear_storage.
1876 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1877 (restore_fixed_argument_area): Likewise.
1878 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1879 (load_register_parameters): Likewise, to emit_group_load.
1880 (expand_call): Likewise, to emit_group_store and emit_block_move.
1881 (emit_library_call_value_1): Likewise, to emit_block_move.
1882 (store_one_arg): Likewise, and to emit_push_insn.
1883 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1884 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1885 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1886 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1887 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1888 (expand_assigment, store_expr, store_constructor_field): Likewise.
1889 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1890 (store_constructor, store_field, get_inner_reference): Likewise.
1891 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1892 (expand_expr, case COMPONENT_REF): Likewise.
1893 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1894 and positions; reindent code.
1895 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1896 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1897 (assign_parms): Likewise to emit_group_store.
1898 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1899 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1900 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1901 (expand_return): Likewise to {extract,store}_bit_field.
1902 * stor-layout.c (get_mode_alignment): Minor cleanup.
1903 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1904 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1906 2000-03-29 Nick Clifton <nickc@cygnus.com>
1908 * config/arm/arm.h: Undo effects of previous delta:
1909 (ASM_SPEC): Do not define.
1910 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1912 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1915 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1917 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1918 only after reading in the primary source file.
1920 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1922 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1923 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1924 or a reference to a va_list.
1925 * builtins.c (stabilize_va_list): Simplify now we don't have to
1926 work around C array address decay.
1927 * c-typeck.c (convert_for_assignment): Handle assignment to
1928 a reference parameter by taking the address of the RHS.
1929 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1930 (va_copy): Likewise.
1931 (__va_copy): Likewise.
1932 * ginclude/varargs.h (va_start): Likewise.
1933 (__va_copy): Likewise.
1935 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1937 * i386/djgpp.h: Remove extraneous "+".
1939 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1941 * calls.c (expand_call): Fix typo in last change.
1943 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1945 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1948 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1950 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1951 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1952 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1953 * tree.c (bit_position, byte_position): Likewise.
1954 * tree.h: Declare new functions.
1956 2000-03-29 Nick Clifton <nickc@cygnus.com>
1958 * config/arm/arm.c: Minor formatting changes/
1959 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1961 (ASM_SPEC): Define if not already defined.
1963 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1965 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1968 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1970 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1971 value, don't output it as unsigned.
1973 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1975 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1977 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1979 * c-common.c (c_common_nodes_and_builtins): Don't special case
1980 cplus_mode when declaring builtin bzero/bcmp, always avoid
1981 prototype arguments.
1983 2000-03-29 Bruce Korb <bkorb@gnu.org>
1985 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1988 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1990 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1991 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1992 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1993 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1994 (save_fixed_argument_area, restore_fixed_argument_area):
1995 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1996 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1997 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1998 (precompute_register_parameters): Avoid #ifdefs on
1999 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
2000 (stire_one_args): Likewise.
2001 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
2002 (emit_library_call_value_1): Likewise.
2003 (compute_argument_block_size): Align to STACK_BOUNDARY only for
2004 ACCUMULATE_OUTGOING_ARGS.
2005 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
2007 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
2008 (use_crosses_set_p): Likewise.
2009 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
2010 #define ACCUMULATE_OUTGOING_ARGS 1.
2011 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
2013 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
2015 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
2016 (TARGET_SWITCHES): Add push-args, no-push-args,
2017 accumulate-outgoing-args and no-accumulate-outgoing-args.
2018 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
2019 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
2020 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
2022 (emit_push_insn): Likewise.
2023 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2024 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
2025 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2026 (STACK_DYNAMIC_OFFSET): Define correctly for both
2027 ACCUMULATE_OUTGOING_ARGS and normal mode.
2028 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
2029 * tm.texi (PUSH_ARGS): Document.
2030 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
2032 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
2034 * flags.h (flag_optimize_sibling_calls): Declare.
2035 * calls.c (expand_call): Fail sibcall when
2036 !flag_optimize_sibling_calls
2037 * invoke.texi (flag_optimize_sibling_calls): Document.
2038 * toplev.c (flag_optimize_sibling_calls): New global variable.
2039 (f_options): Add flag_optimize_sibling_calls.
2040 (rest_of_compilation): Conditionize
2041 optimize_sibling_and_tail_recursive_calls by
2042 flag_optimize_sibling_calls.
2043 (main): Set flag_optimize_sibling_calls for -O2.
2044 * stmt.c (expand_return): Conditionize tail recursion by
2045 flag_optimize_sibling_calls.
2047 2000-03-29 Richard Henderson <rth@cygnus.com>
2049 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
2050 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
2052 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
2054 * except.c (add_eh_table_entry): Mark type_info's as referenced.
2056 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2058 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
2060 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
2061 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
2062 * config/rs6000/aix.h: then modified likewise.
2064 2000-03-28 Richard Henderson <rth@cygnus.com>
2066 * rtl.h: Redistribute enum reg_note documentation.
2067 Kill trailing whitespace.
2068 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
2069 Kill trailing whitespace.
2071 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
2073 * cppfiles.c (hash_IHASH): Just return i->hash.
2074 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
2075 htab_find_with_hash.
2076 (cpp_read_file): Likewise.
2077 (find_include_file): Likewise. Properly initialize
2078 ih->nshort. Share ih->name and ih->nshort if possible.
2079 * cpphash.c (_cpp_calc_hash): New function.
2080 (hash_HASHNODE): Just return h->hash.
2081 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
2082 htab_find_with_hash.
2083 * cpphash.h: Prototype _cpp_calc_hash.
2084 * cppinit.c (initialize_builtins): Provide a valid hash
2085 to _cpp_make_hashnode, using _cpp_calc_hash.
2087 * cpphash.c (collect_expansion): # is not a special character
2088 in object-like macros. In -traditional mode, /**/ is not
2089 token paste at the beginning or end of the line.
2090 * cpplib.c (do_include, do_import, do_include_next): If
2091 parse_include fails, return immediately.
2093 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
2095 * config/arm/arm.md (return peepholes): Update to reflect the new
2097 * config/arm/arm.c (arm_volatile_func): Also check
2098 current_function_nothrow.
2099 (output_return_instruction, output_func_prologue): Use it.
2100 (arm_output_epilogue, arm_expand_prologue): Likewise.
2102 2000-03-27 Tom Tromey <tromey@cygnus.com>
2104 * gcc.c (handle_braces): In {x*...} case, break out of loop if
2107 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2109 * expr.c (store_constructor): SIZE now signed.
2110 For EXPR_SIZE, don't evaluate size; just needed if constant.
2111 * fold-const.c (fold): Fix a number of cases when folded tree is
2113 * function.c (flush_addressof): Reenable.
2114 * tree.h (flush_addressof): Likewise.
2115 * toplev.c (independent_decode_option): Look at strings_processed.
2116 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
2118 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2120 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2121 Allow stack adjustment after function call.
2123 * regmove.c (struct csa_memlist): Make mem field rtx *.
2124 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2125 (try_apply_stack_adjustment): Replace whole MEM rtx.
2126 (combine_stack_adjustments_for_block): Update calls
2127 to record_one_stack_ref.
2129 2000-03-28 Neil Booth <NeilB@earthling.net>
2131 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2132 '\\' rather than a null character, so nulls are not special. Fix
2133 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2134 speed trigraph conversion.
2135 (_cpp_init_input_buffer): Initialize trigraph map.
2137 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2139 * config/i386/i386.c (output_387_binary_op): Correct intel
2140 mode assembly output, and add spaces after commas in AT&T
2141 output. Correct Unixware assembler comment. Document input
2142 constraints. Comment fp operations. Reduce profligate buffer
2143 size. Remove extraneous abort. Localize temp var.
2144 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2145 (output_fix_trunc): Add spaces after commas in assembly output.
2147 2000-03-27 Richard Henderson <rth@cygnus.com>
2149 * i386-protos.h (ix86_match_ccmode): Declare.
2150 * i386.c (ix86_match_ccmode): New.
2151 (ix86_expand_fp_compare): Update for pattern renames.
2152 (ix86_expand_strlensi_unroll_1): Likewise.
2153 * i386.h (EXTRA_CC_MODES): Add CCZ.
2154 (SELECT_CC_MODE): Use it for EQ/NE zero.
2155 * i386.md (cmpsi_ccz_1): New.
2157 (*testsi_ccz_1): New.
2158 (testqi_ccz_1): New.
2159 (cmpsi_ccno_1): Rename from cmpsi_0.
2160 (testsi_ccno_1): Rename from testsi_1.
2161 (testqi_ccno_1): Rename from testqi_1.
2162 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2163 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2164 (*cmphi_0): Use ix86_match_ccmode.
2165 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2166 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2167 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2168 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2169 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2170 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2171 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2172 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2173 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2174 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2175 (appropriate peepholes): Likewise.
2176 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2177 (*subsi_3, *subhi_3, *subqi_3): Remove.
2178 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2179 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2180 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2181 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2182 (x86_shift_adj_1): Use CCZ.
2183 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2185 2000-03-27 Stan Cox <scox@cygnus.com>
2187 * resource.h (mark_resource_type): New.
2188 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2189 find_free_register): Use mark_resource_type.
2190 (mark_set_resources): Change include_delayed_effects
2191 to mark_resource_type.
2192 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2193 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2194 Use mark_resource_type.
2196 2000-03-27 Richard Henderson <rth@cygnus.com>
2198 * i386.md (call_pop_0, call_value_pop_0): New.
2199 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2200 (call_value_pop_1): Likewise.
2201 (call_0, call_value_0): New.
2202 (call_1, call_value_1): Remove constraint from unused arg.
2204 2000-03-27 Nick Clifton <nickc@cygnus.com>
2206 * invoke.texi (Spec Files): Document new spec % command created by
2207 Tom Tromey's recent patch.
2209 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2211 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2214 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2216 * expr.c (expand_assignment): Fix typo in last change.
2218 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2220 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2223 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2224 and DECL_INLINE if FUNCTION_DECL.
2225 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2226 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2227 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2228 (combine_parm_decls): Likewise.
2229 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2230 * print-tree.c (print_node): Likewise.
2231 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2232 DECL_TRANSPARENT_UNION on proper decl types.
2233 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2234 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2235 DECL_BIT_FIELD of FIELD_DECL.
2236 * tree.h (DECL_RESULT_FLD): New macro.
2238 * expr.c (expand_assignment): Add code to handle variable-sized
2241 2000-03-26 Richard Henderson <rth@cygnus.com>
2243 * calls.c (expand_call): Pass parms not original exp to
2244 optimize_tail_recursion. Mind return value instead of looking
2246 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2247 call_expr. Move checks for call_expr and current_function_decl ...
2248 (expand_return): ... here.
2250 2000-03-26 Tom Tromey <tromey@cygnus.com>
2252 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2253 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2255 (process_command): Use them.
2256 (check_live_switch): Likewise.
2257 (give_switch): Skip ignored switches.
2259 2000-03-26 Jan Hubicka <jh@suse.cz>
2261 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2262 for minimal jump pass test.
2264 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2266 * integrate.c (function_cannot_inline_p): Do inline functions that
2269 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2271 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2272 now a list of TREE_LIST entries, not types.
2273 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2275 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2276 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2278 * config/mips/mips.c (function_arg): Likewise; also remove cast
2279 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2280 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2281 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2282 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2283 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2284 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2285 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2286 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2287 num_adjusts now unsigned.
2288 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2289 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2291 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2292 as is BITPOS variable; use host_integerp and int_bit_position.
2293 (function_arg_record_value_2): Likewise.
2294 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2295 Variable REGNO now unsigned.
2296 (function_arg_record_value): NREGS now unsigned.
2298 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2300 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2302 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2304 * Rework fields used to describe positions of bitfields and
2305 modify sizes to be unsigned and use HOST_WIDE_INT.
2306 * alias.c (reg_known_value_size): Now unsigned.
2307 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2308 (really_start_incremental_init): Use bitsize_zero_node.
2309 (push_init_level, pop_init_level, output_init_element): Likewise.
2310 Use bitsize_unit_node and bitsize_one_node.
2311 (output_pending_init_elements, process_init_element): Likewise.
2312 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2313 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2314 HOST_WIDE_INT, respectively.
2315 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2316 (num_sign_bit_copies): Returns unsigned.
2317 BITWIDTH now unsigned; rework arithmetic.
2318 Remove recursive call from arg to MAX.
2319 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2320 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2322 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2323 (find_split_point, expand_compound_operation, make_extraction): LEN
2324 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2325 (make_field_assignment): Likewise.
2326 (combine_simplify_rtx): Add cast.
2327 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2328 (force_to_mode): WIDTH now unsigned; add cast.
2329 (if_then_else_cond): SIZE now unsigned.
2330 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2331 (extended_count): Now returns unsigned.
2332 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2333 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2334 (simplify_comparison): MODE_WIDTH now unsigned.
2335 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2336 (mark_used_regs_combine): Likewise; rework arithmetic.
2337 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2338 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2339 (record_promoted_value): REGNO now unsigned.
2340 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2341 (get_last_value): REGNO now unsigned.
2342 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2343 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2344 (remove_death): Arg REGNO now unsigned.
2345 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2346 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2348 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2349 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2350 (struct cse_reg_info): REGNO now unsigned.
2351 (cached_regno): Now unsigned.
2352 (REGNO_QTY_VALID_P): Add cast.
2353 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2354 (remove_invalid_regs): Likewise.
2355 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2356 as are variables END and I.
2357 (get_cse_reg_info, insert): Likewise.
2358 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2359 (canon_hash): Likewise.
2360 (insert_regs, lookup_for_remove): REGNO now unsigned.
2361 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2363 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2364 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2365 * emit-rtl.c (subreg_realpart_p): Add cast.
2366 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2367 (operand_subword_force): Arg I is now unsigned.
2368 * except.c (eh_regs): Variable I is now unsigned.
2369 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2370 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2371 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2372 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2373 (extract_split_bit_field, store_bit_field, extract_bit_field):
2375 * expr.c (store_constructor_fields, store_constructor, store_field):
2376 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2377 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2378 (do_jump): Likewise.
2379 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2380 MAX_SIZE is now unsigned.
2381 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2382 (emit_group_store): Likewise.
2383 (emit_move_insn): I now unsigned.
2384 (store_constructor): Use host_integerp, tree_low_cst, and
2386 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2387 Rework all calculations to use trees and new fields.
2388 * expr.h (promoted_input_arg): Regno now unsigned.
2389 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2390 (mark_seen_cases): Arg is HOST_WIDE_INT.
2391 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2392 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2393 precisions and alignments are unsigned.
2394 (optimize_bit_field_compare, fold_truthop): Likewise.
2395 (int_const_binop): Adjust threshold for size_int_type_wide call.
2396 (fold_convert): Likewise.
2397 (size_int_type_wide): Make table larger and fix thinko that only
2398 had half of table used.
2399 (all_ones_mask_p, fold): Precisions are unsigned.
2400 * function.c (put_reg_info_stack): REGNO is unsigned.
2401 (instantiate_decl): Size is HOST_WIDE_INT.
2402 (instantiate_virtual_regs): I is unsigned.
2403 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2404 (promoted_input_arg): REGNO is unsigned.
2405 * function.h (struct function): x_max_parm_reg is now unsigned.
2406 * gcse.c (max_gcse_regno): Now unsigned.
2407 (struct null_pointer_info): min_reg and max_reg now unsigned.
2408 (lookup_set, next_set): REGNO arg now unsigned.
2409 (compute_hash_table): REGNO and I now unsigned.
2410 (handle_avail_expr): regnum_for_replacing now unsigned.
2411 (cprop_insn): REGNO now unsigned.
2412 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2413 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2414 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2415 * hard-reg-set.h (reg_class_size): Now unsigned.
2416 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2417 * jump.c (mark_modified_reg): I now unsigned; add cast.
2418 (rtx_equal_for_thread_p): Add cast.
2419 * loop.c (max_reg_before_loop): Now unsigned.
2420 (struct_movable): REGNO now unsigned.
2421 (try_copy_prop): REGNO arg unsigned.
2422 (regs_match_p): XN and YN now unsigned.
2423 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2424 (strength_reduce): Likewise; NREGS also unsigned.
2425 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2426 * loop.h (struct iv_class): REGNO now unsigned.
2427 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2429 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2430 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2431 * optabs.c (expand_binop): I and NWORDS now unsigned.
2432 (expand_unop): I now unsigned.
2433 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2434 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2435 * real.c (significand_size): Now returns unsigned.
2436 * real.h (significand_size): Likewise.
2437 * regclass.c (reg_class_size): Now unsigned.
2438 (choose_hard_reg_mode): Both operands now unsigned.
2439 (record_reg_classes): REGNO and NR now unsigned.
2440 (reg_scan): NREGS now unsigned.
2441 (reg_scan_update): old_max_regno now unsigned.
2442 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2443 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2444 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2445 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2446 Likewise for variable R.
2447 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2448 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2449 (find_equiv_reg): Add casts.
2450 (regno_clobbered_p): Arg REGNO now unsigned.
2451 * reload.h (struct reload): NREGS now unsigned.
2452 (refers_to_regno_for_reload_p): Regno args are unsigned.
2453 (regno_clobbered_p): Likewise.
2454 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2455 (compute_use_by_pseudos): REGNO now unsigned.
2456 (find_reg): I and J now unsigned, new variable K, and change loop
2457 variables accordingly; THIS_NREGS now unsigned.
2458 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2459 (spill_hard_reg): REGNO arg now unsigned; add casts.
2460 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2461 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2462 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2463 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2464 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2465 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2466 (emit_reload_insns): REGNO now unsigned.
2467 (reload_cse_move2add): Add cast.
2468 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2470 * resource.c (mark_referenced_resources, mark_set_resources): New
2471 variable R; REGNO and LAST_REGNO now unsigned.
2472 (mark_target_live_regs): J and REGNO now unsigned.
2473 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2474 * rtl.h (union rtunion_def): New field rtuint.
2475 (XCUINT): New macro.
2476 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2477 (operand_subword, operand_subword_force): Word number is unsigned.
2478 (choose_hard_reg_mode): Operands are unsigned.
2479 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2480 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2481 (regno_use_in, combine_instructions, remove_death): Likewise.
2482 (reg_scan, reg_scan_update): Likewise.
2483 (extended_count): Return is unsigned.
2484 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2485 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2486 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2487 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2488 (reg_reg_last_1): FIRS and LAST now unsigned.
2489 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2490 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2492 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2493 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2494 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2495 (replace_regs): Arg NREGS now unsigned.
2496 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2497 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2498 (simplify_binary_operation): Likewise.
2499 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2500 THIS_LAST now unsigned.
2501 (cselib_record_set): Add cast.
2502 * ssa.c (ssa_max_reg_num): Now unsigned.
2503 (rename_block): REGNO now unsigned.
2504 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2506 (all_cases_count): Just return -1 not -2.
2507 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2508 Rework tests to use trees whenever possible.
2509 Use host_integerp and tree_low_cst.
2510 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2511 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2512 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2513 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2514 (smallest_mode_for_size): Likewise.
2515 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2516 KNOWN_ALIGN is now an alignment, so simplify code.
2517 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2518 (start_record_layout): Renamed from new_record_layout_info.
2519 Update to new fields.
2520 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2522 (place_union_field): Renamed from layout_union_field.
2523 Update to use new fields in rli.
2524 (place_field): Renamed from layout_field.
2525 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2526 (finalize_record_size): Rework to use new fields in rli and handle
2528 (compute_record_mode): Rework to simplify and to use new DECL fields.
2529 (finalize_type_size): Make rounding more consistent.
2530 (finish_union_layout): Deleted.
2531 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2532 (layout_type, case RECORD_TYPE): Call new function names.
2533 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2534 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2535 (get_best_mode): UNIT is now unsigned; remove casts.
2536 * tree.c (bit_position): Compute from new fields.
2537 (byte_position, int_byte_position): New functions.
2538 (print_type_hash_statistics): Cast to remove warning.
2539 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2540 (build_index_type): Likewise; make subtype of sizetype.
2541 (build_index_2_type): Pass sizetype to build_range_type.
2542 (build_common_tree_nodes): Use size_int and bitsize_int to
2543 initialize nodes; add bitsize_{zero,one,unit}_node.
2544 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2545 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2546 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2547 (DECL_FIELD_BITPOS): Deleted.
2548 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2549 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2550 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2551 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2552 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2553 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2554 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2555 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2556 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2557 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2558 (DECL_ALIGN): Adjust to new field in union.
2559 (DECL_OFFSET_ALIGN): New field.
2560 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2561 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2562 (union tree_decl): Add struct for both aligns.
2563 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2564 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2565 (struct record_layout_info): Rework fields to have offset
2566 alignment and byte and bit position.
2567 (start_record_layout, place_field): Renamed from old names.
2568 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2569 (byte_position, int_byte_position): Likewise.
2570 (get_inner_reference): Change types of position and length.
2571 * unroll.c (unroll_loop): New variable R; use for some loops.
2572 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2573 (calculate_giv_inc): Arg REGNO now unsigned.
2574 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2575 * varasm.c (assemble_variable): Clean up handling of size using
2576 host_integerp and tree_low_cst.
2577 (decode_addr_const): Use byte, not bit, position.
2578 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2579 use tree_low_cst and int_bit_position.
2580 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2582 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2584 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2585 (reorder_block_def): New members eff_head and eff_end.
2586 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2587 (verify_insn_chain): New function.
2588 (skip_insns_between_block): Add code to skip deleted insns.
2589 Check for note before using.
2590 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2591 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2592 Check for note before using.
2593 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2594 (fixup_reorder_chain): Restructure, clean up, defect removal.
2595 (reorder_basic_blocks): Remove last_insn and references to it.
2596 Moved insn chain verification code into a new function (see above).
2597 Delete defective code that sets last insn.
2598 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2601 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2603 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2605 2000-03-24 Richard Henderson <rth@cygnus.com>
2607 * tree.c (lang_safe_for_unsave): Remove.
2608 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2609 allowing for two levels of unsafeness. Remove lang hook.
2610 * tree.h: Update declarations.
2611 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2612 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2613 Always fail sibcalls when there are pending cleanups.
2615 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2617 * flow.c (propagate_block): When we delete an ADDR_VEC,
2618 also delete the BARRIER following it if there is one.
2620 2000-03-24 Richard Henderson <rth@cygnus.com>
2622 * builtins.c (expand_builtin_bzero): Convert `length' argument
2625 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2627 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2628 comparison if regno's are equal.
2629 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2630 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2631 (expand_call): Update caller.
2632 Avoid making a sibling call if argument size of the callee is larger
2633 than argument size of the caller.
2634 Call hard_function_value with outgoing set if in sibcall pass.
2635 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2637 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2638 Change LEAF_REGISTERS from an array initializer to actual array
2639 identifier. Move static global variable into the function.
2640 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2641 sequences for leaf functions.
2642 * global.c (global_alloc): Likewise.
2643 * tm.texi (LEAF_REGISTERS): Update documentation.
2645 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2646 TARGET_FLAT leaf disabling hack.
2647 (LEAF_REGISTERS): Changed from an array initializer to actual array
2648 identifier to avoid duplication and remove the above hack.
2649 (FUNCTION_OK_FOR_SIBCALL): Define.
2650 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2651 always like call attribute.
2652 (eligible_for_sibcall_delay): New attribute.
2653 (sibcall): New delay type.
2654 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2655 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2656 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2657 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2658 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2660 (output_function_epilogue): Move part of the code into
2661 output_restore_regs.
2662 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2664 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2667 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2668 until infrastructure is finished.
2670 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2672 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2673 (save_parm_insns): Not here.
2675 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * builtins.c (expand_builtin_bzero): New function.
2678 (expand_builtin): Handle bzero.
2680 * builtins.def: Add BUILT_IN_BZERO.
2682 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2683 prototype & function for bzero.
2685 2000-03-23 Michael Meissner <meissner@redhat.com>
2687 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2688 change adding TARGET_FP to the TF floating point insns, except for
2689 trunctfsf2, which generates direct calls to truncdfsf2.
2691 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2693 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2694 try to protect against middle-end changes that break binary
2696 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2698 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2700 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2702 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2704 * calls.c (expand_call): If TARGET is passed by reference and
2705 is readonly, write a CLOBBER.
2707 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2709 * builtins.c (expand_builtin): Handle bcmp.
2711 * builtins.def: Add BUILT_IN_BCMP.
2713 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2714 prototype & function for bcmp.
2716 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2718 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2719 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2720 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2722 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2724 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2725 alternative when using -fp64 -gp32.
2727 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2729 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2730 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2731 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2733 * frame.h (frame_state): Revert last change.
2734 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2735 * libgcc2.c (throw_helper): Revert last change.
2737 2000-03-22 Richard Henderson <rth@cygnus.com>
2739 * stmt.c (expand_asm_operands): Don't promote the temporary.
2741 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2743 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2744 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2745 c_get_alias_set): Likewise.
2746 * c-decl.c (duplicate_decls): Likewise.
2747 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2748 * calls.c (initialize_argument_information): Likewise.
2749 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2751 * dwarfout.c (decl_class_context,output_type): Likewise.
2752 * expr.c (get_inner_reference): Likewise.
2753 * fold-const.c (simple_operand_p,fold): Likewise.
2754 * function.c (aggregate_value_p): Likewise.
2755 * stmt.c (expand_asm_operands): Likewise.
2756 * varasm.c (named_section): Likewise.
2758 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2760 Implement dwarf2 exception handling for the ARM.
2761 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2762 (DWARF_FRAME_RETURN_COLUMN): Define.
2763 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2764 REG_FRAME_RELATED_EXPR note.
2765 (emit_sfm): Likewise.
2766 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2767 * dwarf2out.c (reg_save): Handle saving a register to itself.
2768 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2769 * except.c (eh_regs): Don't use the static chain reg if it's
2771 * frame.h (frame_state): Add cfa_saved field.
2772 * frame.c (execute_cfa_insn): Set it.
2773 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2775 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2777 (instantiate_virtual_regs): Adjust.
2779 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2780 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2781 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2783 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2784 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2786 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2788 * builtins.def: New file.
2790 * Makefile.in (TREE_H): Depend on builtins.def.
2792 * builtins.c (built_in_names): Use builtins.def.
2794 * tree.h (built_in_function): Likewise.
2796 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2798 * tree.c (size_in_bytes): Return size_zero_node, not
2801 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2803 * config/fp-bit.c (pack_d): Correct the case when a denormal
2804 is rounded up and stops being denormal.
2806 2000-03-21 Richard Henderson <rth@cygnus.com>
2808 * config/alpha/alpha.c (function_arg): Check for void_type_node
2809 before using MUST_PASS_IN_STACK.
2811 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2813 * regmove.c (combine_stack_adjustments_for_block): Check that
2814 the stack pointer is a valid memory address.
2816 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2818 * calls.c: re-install Mar 16 emit_library_call merge.
2820 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2822 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2823 we cannot be sure that if reload_completed base register will
2824 be properly aligned.
2826 2000-03-21 Richard Henderson <rth@cygnus.com>
2828 * flow.c (delete_block): Fix typo last change.
2830 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2832 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2833 not COMPLETE_TYPE_P, to check the type of the expression.
2835 2000-03-21 Michael Meissner <meissner@redhat.com>
2837 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2838 all floating point insns that just tested the macro
2839 TARGET_HAS_XFLOATING_LIBS.
2840 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2841 used to only use the gprs.
2843 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2845 * tree.h (COMPLETE_TYPE_P): New macro.
2846 (COMPLETE_OR_VOID_TYPE_P): New macro.
2847 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2848 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2849 * c-aux-info.c (gen_type): Use them.
2850 * c-common.c (c_expand_expr_stmt): Likewise.
2851 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2852 grokdeclarator, grokparms, finish_struct, start_function,
2853 store_parm_decls, combine_parm_decls): Likewise.
2854 * c-parse.y (cast_expr): Likewise.
2855 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2856 c_size_in_bytes, c_alignof, build_component_ref,
2857 build_indirect_ref, build_array_ref, convert_arguments,
2858 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2859 * calls.c (initialize_argument_information): Likewise.
2860 * convert.c (convert_to_integer): Likewise.
2861 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2862 * dwarfout.c (location_or_const_value_attribute,
2863 output_enumeration_type_die, output_structure_type_die,
2864 output_union_type_die, output_type): Likewise.
2865 * expr.c (safe_from_p, expand_expr): Likewise.
2866 * function.c (assign_parms): Likewise.
2867 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2868 * tree.c (build_array_type, build_function_type,
2869 build_method_type, build_offset_type, build_complex_type): Likewise.
2870 * c-parse.c, c-parse.h: Regenerated.
2872 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2874 * config/c4x/rtems.h: Include config/rtems.h.
2876 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2878 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2879 decl is a FUNCTION_DECL
2881 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2883 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2884 function uses output registers. Don't save RP for leaf functions.
2885 Do save RP even if no epilogue.
2886 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2887 (CALL_USED_REGISTERS): Unmark in registers.
2888 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2891 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2893 * config/rs6000/rs6000.md (bunordered): New expander.
2894 (bordered): New expander.
2895 (buneq): New expander.
2896 (bunge): New expander.
2897 (bungt): New expander.
2898 (bunle): New expander.
2899 (bunlt): New expander.
2900 (bltgt): New expander.
2902 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2903 (ccr_bit_negated_p): New function.
2904 (print_operand): For %C, generate appropriate cror for UNEQ,
2905 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2907 2000-03-20 Andreas Jaeger <aj@suse.de>
2909 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2912 * tree.h (safe_for_unsave): Prototype.
2914 2000-03-20 Richard Henderson <rth@cygnus.com>
2916 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2917 (combine_stack_adjustments_for_block): Don't allow sp references
2918 in the side of a set we're not fixing up.
2919 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2920 after life_analysis.
2922 2000-03-20 Richard Henderson <rth@cygnus.com>
2924 * calls.c (expand_call): Don't bother generating tail call
2925 sequences if there are pending cleanups. Use
2926 expand_start_target_temps/expand_end_target_temps to elide
2927 cleanups created during sibcall expansion.
2929 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2931 * configure.in: Set $IFS to a value if it doesn't already have one
2932 in the --enable-checking handling.
2933 * configure: Regenerate.
2935 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2937 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2938 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2941 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2943 * jump.c (delete_noop_moves): Remove code attempting to
2944 combine stack adjustments.
2946 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2948 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2949 * except.c (emit_cleanup_handler): Use them.
2950 (expand_end_all_catch): Likewise.
2951 * function.c (fixup_var_refs): Likewise.
2952 (expand_function_end): Clear catch_clauses_last.
2953 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2954 * except.h (struct eh_status): New field x_catch_clauses_last.
2955 (catch_clauses_last): New define.
2957 * Makefile.in (tree.o): Depend on HASHTAB_H.
2958 * tree.c: Include hashtab.h.
2959 (struct type_hash): Remove next field.
2960 (TYPE_HASH_SIZE): Remove.
2961 (TYPE_HASH_INITIAL_SIZE): New define.
2962 (type_hash_table): Change type to htab_t.
2963 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2964 mark_hash_entry): New functions.
2965 (init_obstacks): Allocate type hash.
2966 (type_hash_lookup): Use htab functions.
2967 (type_hash_add, mark_type_hash): Likewise.
2968 (dump_tree_statistics): Call print_type_hash_statistics.
2970 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2972 * rs6000/t-aix41: New file.
2974 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2976 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2978 * tm.texi (Driver): Fix typos and tweak entry for
2980 Move misplaced STRUCT_FORCE_BLK entry ...
2981 (Storage Layout): ... to here.
2982 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2984 2000-03-19 Richard Henderson <rth@cygnus.com>
2986 * flow.c (delete_block): Delete the addr_vec along with the block.
2987 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2990 * fold-const.c (extract_muldiv): Apply type check for defined
2991 overflow to multiply as well as divide.
2993 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2995 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2997 * emit-rtl.c (remove_unncessary_notes): Check that all
2998 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2999 associated NOTE_BLOCK.
3000 * function.h (identify_blocks): Update comments.
3001 (reorder_blocks): Declare.
3002 * function.c (identify_blocks): Don't take paramters.
3003 (reorder_blocks): Don't take parameters.
3004 * loop.h (find_loop_tree_blocks): Remove.
3005 (unroll_block_trees): Likewise.
3006 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
3007 reorder_blocks instead of unroll_block_trees.h
3008 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
3009 * stmt.c (find_loop_tree_blocks): Remove.
3010 (unroll_block_trees): Likewise.
3011 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
3012 in whole-function mode.
3013 * tree.h (reorder_blocks): Remove declaration.
3015 * expr.c: Include intl.h.
3016 * Makefile.in (expr.o): Depend on intl.h.
3018 2000-03-18 Richard Henderson <rth@cygnus.com>
3020 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
3022 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3024 * tree.h (tree_index): Remove enumerals for integer types.
3025 (integer_type_kind): New type.
3026 (integer_types): New variable.
3027 (char_type_node): Adjust.
3028 (signed_char_type_node): Likewise.
3029 (unsigned_char_type_node): Likewise.
3030 (short_integer_type_node): Likewise.
3031 (short_unsigned_type_node): Likewise.
3032 (integer_type_node): Likewise.
3033 (unsigned_type_node): Likewise.
3034 (long_integer_type_node): Likewise.
3035 (long_unsigned_type_node): Likewise.
3036 (long_long_integer_type_node): Likewise.
3037 (long_long_unsigned_type_node): Likewise.
3038 * tree.c (integer_types): New variable.
3039 (init_obstacks): Register it as a root.
3041 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
3043 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
3044 NEXT_INSN. Update last insn in chain.
3046 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
3048 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
3049 with TYPE_DECL_SUPPRESS_DEBUG set.
3051 2000-03-18 Richard Henderson <rth@cygnus.com>
3053 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
3055 2000-03-18 Richard Henderson <rth@cygnus.com>
3057 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
3058 care for HALF_PIC_P.
3059 (expander_call_insn_operand): Remove.
3060 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
3061 * i386.h (PREDICATE_CODES): Update.
3062 * i386.md (all call expanders): Remove predicates, remove special
3063 handling for half-pic.
3064 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
3065 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
3066 (sibcall_epilogue): New.
3068 2000-03-17 Richard Henderson <rth@cygnus.com>
3070 * rtlanal.c (single_set): Reject if the parallel has anything
3071 except SET or USE or CLOBBER.
3073 2000-03-17 Jeff Law <law@cygnus.com>
3074 Richard Henderson <rth@cygnus.com>
3076 * Makefile.in (OBJS): Add sibcall.o.
3078 * sibcall.c: New file.
3079 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
3080 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
3081 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
3082 Emit sibcall patterns when requested. Update all callers.
3083 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
3084 elimination seems feasable.
3085 * final.c (leaf_function_p): Sibling calls don't discount being
3087 * flow.c (HAVE_sibcall_epilogue): Provide default.
3088 (find_basic_blocks_1): Sibling calls don't throw.
3089 (make_edges): Make edge from sibling call to EXIT.
3090 (propagate_block): Don't remove sibcall_epilogue insns.
3091 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
3092 (sibcall_epilogue): New.
3093 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
3094 (identify_blocks_1): Likewise. Break out from ...
3095 (identify_blocks): ... here.
3096 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
3097 (reorder_blocks): ... here.
3098 (init_function_for_compilation): Zap prologue/epilogue as varrays.
3099 (record_insns): Extend a varray instead of mallocing new memory.
3100 (contains): Read a varray not array of ints.
3101 (sibcall_epilogue_contains): New.
3102 (thread_prologue_and_epilogue_insns): Emit and record
3103 sibcall_epilogue patterns.
3104 (init_function_once): Allocate prologue/epilogue varrays.
3105 * genflags.c (gen_insn): Treat sibcall patterns as calls.
3106 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
3108 (save_for_inline_nocopy): ... here.
3109 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
3111 (expand_inline_function): ... here.
3112 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
3113 (subst_constants): Handle 'n' formats.
3114 * jump.c (jump_optimize_minimal): New.
3115 (jump_optimize_1): New arg `minimal'; update callers. Elide most
3116 optimizations if it's set.
3117 * rtl.c (copy_rtx): Do copy jump & call for insns.
3118 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3119 (SIBLING_CALL_P): New.
3120 (sibcall_use_t): New.
3121 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3122 Invoke optimize_sibling_and_tail_recursive_calls.
3123 * tree.c (lang_safe_for_unsave): New.
3124 (safe_for_unsave): New.
3125 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3127 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3128 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3129 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3131 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3133 * objc/objc-act.c (encode_method_prototype): Pass types, not
3134 PARM_DECLs, to int_size_in_bytes.
3136 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3138 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3140 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3141 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3143 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3145 * Clean up usages of TREE_INT_CST_LOW.
3146 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3147 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3149 * c-tree.h (min_precision): Move declaration to here.
3150 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3151 (build_unary_op, add_pending_init): Use bit_position.
3152 (pending_init_member, process_init_element): Likewise.
3153 (really_start_incremental_init, push_init_level, pop_init_level):
3154 Don't make copies of nodes or modify them in place, use consistent
3155 types when tracking positions, and use tree routines computations.
3156 (set_init_index, output_init_element): Likewise.
3157 (output_pending_init_elements, process_init_element): Likewise.
3158 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3159 tree_low_cst and int_bit_position; also minor cleanup.
3160 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3161 (print_cst_octal): Precision is unsigned.
3162 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3163 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3164 (simple_type_align_in_bits): Result is unsigned int.
3165 Use tree_int_low_cst and host_integerp.
3166 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3167 (field_byte_offset): Result is HOST_WIDE_INT.
3168 Change types of internal variables so alignments are unsigned int,
3169 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3170 Use host_integerp, tree_low_cst, and int_bit_position.
3171 (add_bit_offset_attribute): Likewise.
3172 (add_data_member_location_attribute): Use tree_cst_low.
3173 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3174 (add_bit_size_attribute): Use tree_low_cst.
3175 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3176 * dwarfout.c: Similar changes to dwarf2out.c.
3177 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3178 * genoutput.c (n_occurences): Return -1 for null string.
3179 (strip_whitespace): Accept null string and make into function.
3180 (scan_operands): Reflect above changes.
3181 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3182 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3183 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3184 * tree.c (int_size_in_bytes): Check for too big to represent.
3185 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3186 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3188 (min_precision): Delete from here.
3189 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3190 and int_bit_position.
3191 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3192 (encode_method_def): Likewise.
3193 (build_ivar_list_initializer): Use int_bit_position.
3194 (generate_shared_structures): Convert size.
3195 (encode_type, encode_complete_bitfield): Use integer_zerop.
3196 (encode_bitfield): Use tree_low_cst and int_bit_position.
3198 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3200 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3202 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3204 * call.c (special_function_p): It is only malloc if it returns
3207 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3209 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3210 (C33_FLAG, TARGET_C3X): Add macros.
3211 (TARGET_SWITCHES): Add -m33 option.
3212 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3214 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3216 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3217 (PARALLEL_PACK_FLAG): Delete.
3218 (TARGET_SWITCHES): Update.
3219 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3221 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3223 * fold-const.c (fold): Fix a few cases when the returned result
3224 is not of the same type as the input.
3226 2000-03-16 Nick Clifton <nickc@cygnus.com>
3228 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3231 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3233 * libgcc2.h: Move prototypes above macros with the same name.
3234 Wrap some function prototypes in the conditional which indicates
3235 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3237 2000-03-16 Richard Henderson <rth@cygnus.com>
3239 * calls.c: Revert last two changes.
3241 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3243 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3244 has exponent 0 is a zero.
3246 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3247 HASH may already be nonzero. Add code/mode into hash value
3248 immediately after repeat label.
3249 (cselib_lookup): Don't leave the hash table in an inconsistent
3250 state before a hash lookup operation.
3252 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3254 * i386.md (all HI and QI mode non-move patterns): Conditionize
3255 by TARGET_[HQ]IMODE_MATH.
3256 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3257 x86_promote_qi_regs): Declare.
3258 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3259 TARGET_PROMOTE_QI_REGS): New macros.
3260 (PROMOTE_MODE): New macro.
3261 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3262 x86_promote_qi_regs): New global variables.
3264 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3266 * calls.c (emit_library_call_value_1): Break out from ...; handle
3267 VOIDmode function calls too.
3268 (emit_library_call_value): ... here.
3269 (emit_library_call): Implement by calling emit_library_call_value_1.
3271 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3273 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3274 Update arg_space_so_far on stack adjustments.
3275 (emit_library_call, emit_library_call_value): Likewise; take into
3276 account arg_space_so_far and pending_stack_adjust when calculcating
3279 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3281 * flow.c: Move all basic block reordering code into its own file.
3282 (create_basic_block): Externalize.
3283 * bb-reorder.c: New file. Copy all basic block reordering code from
3284 flow.c to this file.
3285 (reorder_basic_blocks): Fix fencepost error in for-loop.
3286 (reorder_basic_blocks): Remove braces from single statement for-loops.
3287 * basic-block.h: Add declaration for create_basic_block.
3288 * Makefile.in: Add rules for bb-reorder.o.
3290 2000-03-16 Neil Booth <NeilB@earthling.net>
3292 * cppinit.c (handle_option): Implement #unassert directive
3293 as -A- command line option.
3294 (print_help): Update.
3295 * cpptexi.c: Update.
3297 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3299 * md.texi (Standard Names): Document `jump'.
3301 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3303 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3306 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3308 Merge changes from newppc-branch onto trunk.
3310 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3312 * rs6000.c (toc_hash_table): Update for new hash table functions.
3313 (toc_hash_function): Likewise.
3314 (toc_hash_eq): Likewise.
3315 (toc_hash_mark_entry): Likewise.
3316 (toc_hash_mark_table): Likewise.
3317 (output_toc): Likewise.
3318 (rs6000_add_gc_roots): Likewise.
3320 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3322 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3323 (AR_FLAGS_FOR_TARGET): here. New macro.
3325 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3327 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3328 fpmem_operand) Delete.
3330 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3331 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3332 (rs6000_save_machine_status, rs6000_restore_machine_status,
3333 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3334 references to above variables.
3335 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3336 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3337 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3338 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3339 (XER_REGNO_P, XER_REGNO): New.
3340 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3341 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3342 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3344 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3345 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3346 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3348 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3350 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3351 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3352 * rs6000.h: from here.
3354 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3355 (rs6000_select_rtx_section): Likewise.
3356 (rs6000_encode_section_info): Likewise.
3357 (sdata_section): Likewise.
3358 (sdata2_section): Likewise.
3359 (sbss_section): Likewise.
3360 * sysv4.h (rs6000_select_section): Delete prototype.
3361 (rs6000_select_rtx_section): Likewise.
3362 (rs6000_encode_section_info): Likewise.
3363 (sdata_section): Likewise.
3364 (sdata2_section): Likewise.
3365 (sbss_section): Likewise.
3366 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3368 * sysv4.h: Delete various unnecessary #undef's and put a comment
3369 on the remaining ones.
3370 Change various comments according to coding standard.
3372 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3374 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3375 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3376 (CR0_REGNO_P) Remove.
3377 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3378 setup_incoming_varargs, mtcrf_operation, print_operand,
3379 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3380 Use the above macros.
3382 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3384 * config/rs6000/rs6000.md: Added a new alternative for each
3385 pattern that had a 'x' alternative but no 'y' alternative.
3386 Added a new split for each of the above patterns.
3388 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3390 * aix41.h (ASM_CPU_SPEC): Delete.
3391 (CPP_CPU_SPEC): Delete.
3393 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3394 (ASM_OUTPUT_LABEL): Define.
3395 (ASM_GLOBALIZE_LABEL): Define.
3396 (STRIP_NAME_ENCODING): Define.
3397 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3398 (STRIP_NAME_ENCODING): Don't define.
3399 (ASM_OUTPUT_LABEL): Don't define.
3400 (ASM_GLOBALIZE_LABEL): Don't define.
3401 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3402 names, and ASM_OUTPUT_LABEL to output labels, rather than
3404 (ASM_OUTPUT_LABEL): Define.
3405 (ASM_OUTPUT_INT): Use assemble_name.
3406 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3407 (STRIP_NAME_ENCODING): Don't undefine first.
3408 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3410 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3411 specified with 'asm' even with -fleading-underscore.
3412 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3413 (output_epilog): Likewise.
3414 (output_toc): Likewise.
3415 * tramp.asm: Handle -fleading-underscore correctly.
3417 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3419 (nonlocal_goto_receiver): Delete.
3420 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3422 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3423 (SET_ASM_OP): Define.
3424 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3426 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3429 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3430 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3432 * rs6000.h: Add 'u' to more constants.
3434 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3436 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3438 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3440 * rs6000.c (reg_or_u_cint_operand): New function.
3441 (logical_operand): Handle 64-bit hosts.
3442 (logical_u_operand): New function.
3443 (non_logical_cint_operand): Handle 64-bit hosts.
3444 (non_logical_u_cint_operand): New function.
3445 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3446 (PREDICATE_CODES): Define new functions.
3447 * rs6000-protos.h: Declare new functions.
3448 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3449 (movdi_64): Bracket code intended for 64-bit hosts. Create
3450 CONST_DOUBLE for 32-bit values.
3451 (scc insns): Generate DImode compares.
3452 (mfcr insns): Create DImode versions.
3453 (sge matchers): New patterns.
3455 2000-02-15 Gabriel Paubert <paubert@iram.es>
3457 * rs6000.md: Correct instructions length attributes and
3458 constraints on unsigned compare instructions.
3459 (*ne0): Disable for PowerPC64.
3461 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3463 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3464 quantity, fix profile1.C test failure under -fPIC.
3466 * rs6000.c: Add 'u' to many constants to suppress warnings.
3467 (constant_pool_expr_1): Make static.
3468 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3469 * rs6000.h: Add 'u' to many constants to suppress warnings.
3471 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3472 for the start of the TOC, instead of LCTOC..0.
3473 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3475 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3476 (load_toc_aix_di): Use LCTOC..1.
3478 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3479 * rs6000.c (rs6000_legitimize_address): New function from
3480 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3481 symbols in the constant pool that really are TOC references.
3482 (print_operand_address): For ELF, write TOC offsets under
3483 -fPIC as subtractions in the insn.
3484 (output_toc): For ELF, define symbols in TOC as normal labels,
3486 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3487 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3488 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3489 * rs6000.md (movsi): Only use create_TOC_reference on
3490 symbols in the constant pool that really are TOC references.
3492 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3493 * rs6000.c (rs6000_reorg): Delete.
3494 * rs6000-protos.h (rs6000_reorg): Delete.
3496 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3498 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3500 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3501 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3502 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3503 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3504 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3505 rs6000_aix_emit_builtin_unwind_init.
3506 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3507 rs6000_emit_eh_toc_restore on AIX.
3508 (return_eh_si): Use r2.
3509 (return_eh_di): Use r2.
3511 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3512 since we're breaking binary compatibility anyway.
3514 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3516 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3517 constant_pool_expr_p): Declare them.
3518 (constant_pool_expr_p): Declare it.
3519 * config/rs6000/rs6000.c (toc_label_name): Define.
3520 (rs6000_override_options): Set toc_label_name.
3521 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3522 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3523 uses_TOC): New functions.
3524 (print_operand): Delete old '*' case.
3525 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3526 and strip off rtl for TOC before calling output_addr_const.
3527 (rs6000_emit_load_toc_table): Use toc_label_name.
3528 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3530 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3531 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3532 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3533 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3534 into explicit TOC_REGISTER offsets.
3535 (TOC_REGISTER): New macro.
3536 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3537 TARGET_TOC to reference TOC_REGISTER.
3538 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3539 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3540 uses_TOC before emitting label references.
3542 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3544 * rs6000.md (stack_tie): Fix warning.
3546 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3547 to handle -fleading-underscore.
3548 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3549 (USER_LABEL_PREFIX): New macro.
3550 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3551 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3552 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3553 call-linux can use the same multilibs.
3554 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3555 and call-linux multilibs. Do multilib with -fleading-underscore.
3556 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3557 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3560 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3561 have MASK_SOFT_FLOAT set.
3562 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3563 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3564 CPP_FLOAT_DEFAULT_SPEC.
3566 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3567 * rs6000.md: Whitespace change.
3568 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3569 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3571 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3573 * rs6000.md (eh_epilogue): New expander.
3574 (eh_reg_restore): New expand/split/insn combination.
3575 (return_eh_si): New insn.
3576 (return_eh_di): New insn.
3578 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3579 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3580 * eabi-ctors.c (__do_global_ctors): Register this object's
3581 frame. Clean up. Call atexit() after the constructors.
3582 (__do_global_dtors): Deregister this object's frame. Clean up.
3583 Allow for recursive calls to exit().
3584 * rs6000.c (fixuplabelno): New variable.
3585 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3586 TARGET_RELOCATABLE, it slows down exec() under linux.
3587 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3589 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3590 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3591 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3592 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3593 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3594 (ASM_OUTPUT_DWARF_ADDR): New macro.
3595 (ASM_OUTPUT_DWARF_DATA4): New macro.
3596 (ASM_OUTPUT_DWARF_DATA2): New macro.
3597 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3598 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3599 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3601 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3603 * rs6000.c (rs6000_sr_alias_set): New variable.
3604 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3605 (rs6000_emit_stack_tie): New function.
3606 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3607 in a way that dwarf2out can understand.
3608 (rs6000_frame_related): New function.
3609 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3610 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3611 Use rs6000_emit_stack_tie when needed.
3612 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3613 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3614 * rs6000.md (stack_tie): New insn.
3615 (return_internal_si): Allow return value to be in the count
3617 (return_internal_di): Likewise.
3619 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3621 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3623 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3625 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3627 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3629 * rs6000.md (stmw): Use the right POWER opcode.
3632 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3634 * rs6000-protos.h: New file.
3636 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3638 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3641 * sysv4.h: Likewise.
3643 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3645 * ../../configure.in: Delete powerpcle-*-winnt*
3646 and powerpcle-*-pe|powerpcle-*-cygwin*.
3647 * ../../configure: Regenerated.
3649 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3650 (TARGET_WINDOWS_NT): Delete.
3652 (CALL_NT_DLLIMPORT): Delete.
3653 Delete NT-specific code.
3654 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3657 * nt-ci.asm: Delete.
3658 * nt-cn.asm: Delete.
3659 * ntstack.asm: Delete.
3661 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3663 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3664 (ASM_FILE_START): Likewise.
3665 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3666 (ASM_OUTPUT_LABELREF): Likewise.
3667 (ASM_OUTPUT_SKIP): Likewise.
3668 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3669 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3670 (ASM_OUTPUT_CASE_LABEL): Likewise.
3671 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3672 (ASM_OUTPUT_ASCII): Likewise.
3674 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3676 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3677 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3678 increment rs6000_pic_labelno here.
3679 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3680 and increment rs6000_pic_labelno here.
3682 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3684 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3685 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3686 allocation knows (reg) is dead before the insn.
3688 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3690 * rs6000.md (movsi_to_cr): Correct typo in output template.
3692 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3694 * rs6000.c (rs6000_pic_labelno): Always define.
3695 (rs6000_pic_func_labelno): Delete.
3696 (lmw_operation): Check for a zero base register,
3697 which doesn't mean what we want.
3698 (stmw_operation): New function.
3699 (print_operand): Define new 'l' modifier.
3700 (rs6000_stack_info): We must save all 64 bits of the registers
3701 if TARGET_POWERPC64.
3702 (rs6000_output_load_toc_table): Delete.
3703 (rs6000_emit_load_toc_table): New function.
3704 (rs6000_allocate_stack_space): Delete.
3705 (rs6000_emit_allocate_stack): New function.
3706 (rs6000_emit_prologue): New function.
3707 (output_prolog): Use rs6000_emit_prologue.
3708 (rs6000_emit_epilogue): Change a few variable names to be
3709 more accurate. Restore all 64 bits of the registers if
3710 TARGET_POWERPC64. Only restore the FP registers which were used
3711 if they are being saved/restored one-at-a-time.
3712 (output_mi_thunk): Delete inefficient code generation.
3713 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3714 * rs6000.h: Declare rs6000_emit_load_toc_table,
3715 rs6000_allocate_stack_space, stmw_operation. Don't declare
3716 rs6000_output_load_toc_table.
3717 * rs6000.md (elf_high): Allow register 0, but discourage it
3719 (elf_low): Support loading into register 0.
3720 (load_toc_aix_si): New pattern.
3721 (load_toc_aix_di): New pattern.
3722 (load_toc_v4_pic_si): New pattern.
3723 (load_toc_v4_pic_di): New pattern.
3724 (load_toc_v4_PIC_1): New pattern.
3725 (load_toc_v4_PIC_1b): New pattern.
3726 (load_toc_v4_PIC_2): New pattern.
3727 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3728 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3729 (prologue): New expander.
3730 (movesi_from_cr): New pattern.
3731 (stmw): New pattern.
3732 (save_fpregs_si): New pattern.
3733 (save_fpregs_di): New pattern.
3735 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3737 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3742 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3744 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3746 (movsi_got_internal): Likewise.
3747 (movsi_got_internal+1): Likewise.
3748 (set_sp): 'unspec 7' does a SImode clobber.
3750 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3752 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3753 allocate a stack temporary.
3754 (floatsidf2_internal): Likewise.
3755 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3757 (floatunssidf2): Don't use the fpmem "register", just
3758 allocate a stack temporary.
3759 (floatunssidf2_internal): Likewise.
3760 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3762 (floatsidf2_loadaddr): Delete.
3763 (floatsidf2_store1): Delete.
3764 (floatsidf2_store2): Delete.
3765 (floatsidf2_load): Delete.
3766 (fix_truncdfsi2): Don't use the fpmem "register", just
3767 allocate a stack temporary.
3768 (fix_truncdfsi2_internal_si): Delete.
3769 (fix_truncdfsi2_internal_di): Delete.
3770 (fix_truncdfsi2_internal): New insn.
3771 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3772 (fix_truncdfsi2_store): Delete.
3773 (fix_truncdfsi2_load): Delete.
3774 (fctiwz): Produce gen_fctiwz.
3776 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3778 * eabi.h (INVOKE__main): Define.
3779 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3781 (rs6000_emit_prologue): Likewise.
3782 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3783 this is the main program.
3785 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3787 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3789 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3791 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3792 goes after the argument.
3794 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3796 * rs6000.md: Document 'unspec' values used.
3797 (epilogue): New expander.
3798 (movesi_to_cr_one): New expander.
3799 (movesi_to_cr and following): New pattern.
3801 (return_internal_si): New pattern.
3802 (return_internal_di): New pattern.
3803 (return_and_restore_fpregs_si): New pattern.
3804 (return_and_restore_fpregs_di): New pattern.
3805 * rs6000.h: Declare new functions.
3806 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3807 rather than rs6000_calls_p.
3808 (rs6000_makes_calls): Delete.
3809 (lmw_operation): New function.
3810 (mtcrf_operation): New function.
3811 (rs6000_emit_epilogue): New function.
3812 (output_epilog): Call rs6000_emit_epilogue and final if
3813 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3815 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3817 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3818 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3819 * aix.h (SUBTARGET_SWITCHES): Document switches.
3820 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3821 sched-prolog and sched-epilog the same. Document all the
3823 (TARGET_OPTIONS): No longer allow -mdebug-.
3825 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3827 * rs6000.h (ASM_FILE_END): Move to aix.h.
3828 (EXTRA_SECTIONS): Move to aix.h.
3829 (READONLY_DATA_SECTION): Move to aix.h.
3830 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3831 (SELECT_SECTION): Move to aix.h.
3832 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3833 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3834 (LINK_REGISTER_REGNUM): New definition.
3835 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3836 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3838 * sysv4.h: Delete the code between the inclusion of rs6000.h
3840 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3841 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3842 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3843 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3844 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3845 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3846 (fix_truncdfsi2_internal_di): New pattern.
3847 (fix_truncdfsi2_store): The second arg here is Pmode too.
3848 (fix_truncdfsi2_load): The second arg here is Pmode too.
3849 (tablejumpdi): Now that switch tables hold only SImode values,
3850 gcc needs to know how to add them to the pc which is DImode.
3851 * rs6000.c (rs6000_stack_info): Use symbolic name for
3852 LINK_REGISTER_REGNUM.
3853 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3854 (output_toc): Delete unused variables s1 and s2.
3855 (output_ascii): Use fputs not fprintf on a variable string.
3857 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3859 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3860 * aix43.h: Revert Aug 2 change.
3861 (HAS_INIT_SECTION): Define, not visible yet.
3862 (LD_INIT_SWITCH): Define, not visible yet.
3863 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3865 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3867 * config/rs6000/rtems.h: Include config/rtems.h.
3869 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3871 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3872 (SLOW_UNALIGNED_ACCESS): Define.
3873 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3874 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3875 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3876 (toc_section): Likewise and .toc pseudo-op.
3877 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3879 (TEXT_SECTION_ASM_OP): Likewise.
3880 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3883 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3885 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3886 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3889 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3891 * rs6000.h: Move more stuff from here...
3893 * sysv4.h: Cleanup accordingly.
3894 * netware.h: Likewise
3896 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3898 * rs6000.h: Continue cleanup.
3901 * netware.h: Likewise.
3903 * sysv4.h: Likewise.
3904 * win-nt.h: Likewise.
3906 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3907 (TARGET_OPTIONS): Likewise.
3909 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3910 (SUBTARGET_OPTIONS): Likewise.
3912 * rs6000.md: Fix compile time warnings.
3914 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3916 vxworks patches from the Cygnus tree originally by
3917 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3918 <vmakarov@cygnus.com>.
3919 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3920 (ENDFILE_SPEC): Likewise.
3921 (LIB_VXWORKS_SPEC): New macro.
3922 (STARTFILE_VXWORKS_SPEC): New macro.
3923 (ENDFILE_VXWORKS_SPEC): New macro.
3924 (LINK_START_VXWORKS_SPEC): New macro.
3925 (LINK_OS_VXWORKS_SPEC): New macro.
3926 (CPP_OS_VXWORKS_SPEC): New macro.
3927 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3928 * vxppc.h: Rewrite to use proper configuration method.
3929 * vxppcle.h: New file.
3930 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3931 * ../../configure: Rebuilt.
3933 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3935 Lots of changes to rs6000.h, sysv4.h, aix.h,
3936 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3937 with the aim that rs6000.h is the first header
3938 included and the others override it.
3941 * x-aix41-gld: Remove.
3943 * x-aix41: Remove target-specific switches, and don't specify
3944 -Wl,-bbigtoc as we don't need it any more.
3945 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3946 Use t-aix43 for AIX 4.3 and above.
3947 * ../../configure: Regenerated.
3949 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3950 options, that don't do anything yet.
3951 (MASK_SCHED_PROLOG): New macro.
3952 (MASK_SCHED_EPILOG): New macro.
3953 (TARGET_SCHED_PROLOG): New macro.
3954 (TARGET_SCHED_EPILOG): New macro.
3956 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3958 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3959 one per translation unit, not one per function.
3960 (output_toc): Also do duplicate constant elimination
3961 for per-translation-unit TOCs.
3963 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3964 a comment explaining _exactly_ when this pattern gets used.
3965 (builtin_setjmp_receiver): New pattern for better clarity.
3966 (init_v4_pic): Move it into a section dealing with TOC registers.
3968 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3970 * rs6000.c (toc_hash_table): New variable.
3971 (rs6000_hash_constant): New function.
3972 (toc_hash_function): New function.
3973 (toc_hash_eq): New function.
3974 (toc_hash_mark_entry): New function.
3975 (toc_hash_mark_table): New function.
3976 (output_toc): Don't output duplicate TOC entries in
3978 (rs6000_add_gc_roots): Add the hash table as a GC root.
3979 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3980 where they clearly shouldn't be. This may need to be fixed
3981 later when there is a GNU ar for AIX.
3982 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3983 Don't define BOOT_LDFLAGS as it is now not necessary.
3985 1999-12-29 Geoff Keating <geoffk@cygnus.com>
3987 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
3988 for va_list on AIX. Use unsigned_char_type_node rather than
3989 constructing our own version on svr4.
3991 1999-12-17 Geoff Keating <geoffk@cygnus.com>
3993 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
3994 since patently it's not.
3996 1999-12-08 Geoff Keating <geoffk@cygnus.com>
3998 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
3999 define_expand/define_insn pair, and handle restore of the
4000 SVR4 -fpic register.
4002 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
4004 * acconfig.h (HAVE_GAS_WEAK): New define.
4005 * configure.in (assembler weak support): Check for .weak support.
4006 * config.in, configure: Rebuilt.
4007 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
4008 HAVE_GAS_WEAK is defined.
4010 2000-03-15 Nick Clifton <nickc@cygnus.com>
4012 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
4015 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
4017 * cppfiles.c (open_include_file): New function.
4018 (find_include_file, cpp_read_file): Use it.
4020 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4022 * cpphash.c (dump_hash_helper): Take the slot, not the element.
4024 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
4026 * flow.c (verify_flow_info): Check for unconditional return.
4028 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
4030 * config/ia64/ia64.md (restore_stack_nonlocal): New.
4031 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
4032 (__ia64_restore_stack_nonlocal): New.
4033 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
4035 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4037 * cpphash.c (collect_formal_parameters): Do not complain about
4038 parameter names that just start with `__VA_ARGS__'.
4040 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
4042 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
4043 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
4044 * i386.c (pentiumpro_cost): Set mul cost to 4.
4045 (x86_use_movx): Set for PPro.
4047 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
4049 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
4050 STACK_BOUNDARY for empty frames now.
4052 2000-03-14 Mark Mitchell <mark@codesourcery.com>
4054 * stor-layout.c (layout_union): Remove.
4055 (layout_union_field): New function, split out from layout_union.
4056 (finish_union_layout): Likewise.
4057 (layout_field): Handle unions by calling layout_union_field.
4058 (finish_record_layout): Handle unions.
4059 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
4060 QUAL_UNION_TYPE handling.
4062 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
4064 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
4065 end of basic block is jump_insn, not barrier; use create_basic_block
4066 instead of creating basic block by hand.
4068 2000-03-14 Jason Eckhardt <jle@cygnus.com>
4070 * flow.c (reorder_basic_blocks): Account for barriers when writing
4071 over NEXT_INSN (last_bb->end).
4072 (verify_flow_info): Add check for missing barriers.
4074 2000-03-14 Greg McGary <gkm@gnu.org>
4076 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
4077 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
4078 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
4079 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
4080 __unbounded, __unbounded__): New keywords.
4081 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
4082 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
4083 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
4085 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
4087 * cselib.h: New file.
4088 * alias.c: Include "cselib.h".
4089 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
4090 MEMs as two new arguments.
4091 (get_addr): New static function.
4092 (find_base_term): Handle VALUEs.
4093 (memrefs_conflict_p): Likewise.
4094 (true_dependence): Call get_addr on the addresses.
4095 Call fixed_scalar_and_varying_struct_p with addresses that have been
4096 passed through get_addr and canon_rtx.
4097 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
4098 with true_dependence.
4099 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
4100 * loop.c: Include "cselib.h".
4101 (load_mems): Process extended basic block that enters the loop with
4102 cselib. Use that information to change initialization of the shadow
4103 register so that a constant equivalence is seen by later passes.
4104 * reload1.c: Include "cselib.h".
4105 (reload_cse_invalidate_regno): Delete function.
4106 (reload_cse_mem_conflict_p): Likewise.
4107 (reload_cse_invalidate_mem): Likewise.
4108 (reload_cse_invalidate_rtx): Likewise.
4109 (reload_cse_regno_equal_p): Likewise.
4110 (reload_cse_check_clobber): Likewise.
4111 (reload_cse_record_set): Likewise.
4112 (reg_values): Delete static variable.
4113 (invalidate_regno_rtx): Likewise.
4114 (reload_cse_delete_noop_set): New static function.
4115 (reload_cse_simplify): New static function, broken out of
4117 (reload_cse_noop_set_p): Delete unused argument INSN.
4118 Just call rtx_equal_for_cselib_p on set source and destination.
4119 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4120 reload_cse_delete_noop_set. Delete code to keep track of values; use
4121 cselib functions instead. Delete code to push/pop obstacks.
4122 (reload_cse_simplify_set): Use cselib to find equivalent values.
4123 Delete code to push/pop obstacks.
4124 (reload_cse_simplify_operands): Likewise.
4125 * rtl.def (VALUE): New rtx code.
4126 * rtl.h (union rtunion_def): New elt rt_cselib.
4127 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4128 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4129 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4130 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4131 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4132 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4133 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4134 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4135 cselib_record_set, cselib_record_sets): New static functions.
4136 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4137 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4138 references_value_p): New functions.
4139 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4140 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4141 n_useless_values, reg_values, callmem, cselib_obstack,
4142 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4143 New static variables.
4144 * varray.h (union varray_data_tag): New elt te.
4145 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4146 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4149 2000-03-14 Nick Clifton <nickc@cygnus.com>
4151 * gcc.c (do_spec_1): Catch the case where %* is used in a
4152 substitution pattern, but it has not been initialised.
4153 Issue a meaningful error message if an unrecognised operator
4154 is encountered in a spec string.
4156 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4158 * function.c (prepare_function_start): Correctly initialize
4159 cfun->stack_alignment_needed.
4161 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4163 * cppfiles.c (find_include_file): Don't assume nshort is a
4166 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4168 * configure.in (hppa configurations): Add pa32-regs.h to the
4169 list of tm files as appropriate.
4170 * configure: Rebuilt.
4171 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4173 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4174 (fmpyaddoperands, fmpysuboperands): Likewise.
4175 * pa.h: Remove various definitions which depend on knowing
4176 how registers are numbered.
4177 * pa32-regs.h: New file with PA32 register numbering specific
4180 2000-03-14 Richard Henderson <rth@cygnus.com>
4182 * regmove.c (combine_stack_adjustments): New.
4183 (stack_memref_p, single_set_for_csa): New.
4184 (free_csa_memlist, record_one_stack_memref): New.
4185 (try_apply_stack_adjustment): New.
4186 (combine_stack_adjustments_for_block): New.
4187 * rtl.h (combine_stack_adjustments): Declare.
4188 * toplev.c (rest_of_compilation): Call it.
4190 * i386.md: Revert 2000-01-16 change.
4192 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4194 * gccbug.in: Add web category, gcc specific classes.
4196 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4198 * stor-layout.c (finalize_record_size): Fix typo.
4200 2000-03-14 Stan Shebs <shebs@apple.com>
4202 * c-typeck.c (c_alignof): Error on incomplete types.
4203 * extend.texi (Alignment): Document this.
4205 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4207 * cppfiles.c: Include mkdeps.h.
4208 (find_include_file, read_include_file): Remove _cpp_ prefix
4209 from name, make static.
4210 (_cpp_execute_include): New function, broken out of
4213 * cpplib.c: Don't include mkdeps.h.
4214 (struct directive): Remove type field. Reorder entries. The
4215 function takes only one argument.
4216 (struct if_stack): Make type field an int.
4217 (directive_table): Rename to dtable. Generate it, the
4218 prototypes of the directive handlers, and the enum for the
4219 directive numbers, from a template macro.
4220 (do_ifndef, do_include_next, do_import): New functions.
4221 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4222 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4223 do_ident, do_assert, do_unassert, do_sccs): Take only one
4225 (do_sccs): Define always, but alter behavior based on
4227 (_cpp_handle_directive, consider_directive_while_skipping):
4228 Restructure for new directive table layout.
4230 (pass_thru_directive): Take a directive number, not a pointer
4231 to a struct directive.
4232 (parse_include): New function, broken out of do_include.
4233 (do_include, do_import, do_include_next): Use parse_include
4234 and _cpp_execute_include.
4235 (do_elif, do_else): Test for T_ELSE specifically when checking
4236 for #elif/#else after #else.
4237 (parse_ifdef): New function, broken out of do_ifdef.
4238 (validate_else): Expect a name arg without a leading #.
4239 (if_directive_name): Delete.
4240 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4241 directive handlers with only one argument.
4243 * cpphash.h: Update prototypes.
4244 (enum node_type): Remove entries for directives.
4245 * Makefile.in: Update dependencies.
4247 * cpphash.c (dump_hash_helper): Only dump nodes of type
4248 T_MACRO. Emit a newline after each definition.
4250 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4252 * gccbug.in: New file.
4253 * configure.in (all_outputs): Add gccbug.
4254 * Makefile.in (install-common): Install gccbug.
4255 (GCCBUG_INSTALL_NAME): New variable.
4256 * configure: Rebuilt.
4258 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4260 * function.c (put_var_into_stack): Use type_for_mode to calculate
4261 part_type. Use MEM_SET_IN_STRUCT_P.
4262 * expr.c (store_field): Handle CONCAT.
4263 (store_constructor): Use fields_length.
4264 * tree.c (fields_length): New fn.
4265 * tree.h: Declare it.
4267 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4269 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4270 (cpplex.o): New target.
4271 * po/POTFILES.in: Add cpplex.c.
4273 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4274 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4275 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4276 skip_block_comment, skip_line_comment, skip_comment,
4277 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4278 _cpp_parse_name, skip_string, parse_string,
4279 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4280 _cpp_get_directive_token, find_position,
4281 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4282 (maybe_macroexpand, _cpp_lex_token): New functions.
4284 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4285 parse_goto_mark): Delete.
4286 (_cpp_handle_eof): New function.
4287 (_cpp_handle_directive): Rename from handle_directive.
4288 (_cpp_output_line_command): Rename from output_line_command.
4289 (do_if, do_elif): Call _cpp_parse_expr directly.
4290 * cppfiles.c (_cpp_read_include_file): Don't call
4291 init_input_buffer here.
4292 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4293 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4294 here; pop the token_buffer and skip the rest of the line here.
4295 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4298 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4300 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4301 CPP_GOTO_MARK): New macros.
4302 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4303 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4304 _cpp_read_and_prescan, _cpp_init_input_buffer,
4305 _cpp_grow_token_buffer, _cpp_get_directive_token,
4306 _cpp_handle_directive, _cpp_handle_eof,
4307 _cpp_output_line_command): Prototype them here.
4308 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4309 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4310 quote_string, output_line_command): Remove.
4312 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4314 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4315 whether it is too large we must also verify that it isn't negative.
4317 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4319 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4320 (movsi_zero_liveg0): Remove.
4321 (movsf_insn_novis_liveg0): Remove.
4323 (negsi2_not_liveg0): Rename to negsi2.
4324 (one_cmplsi2): Remove.
4325 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4326 (one_cmplsi2_liveg0): Remove.
4327 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4328 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4329 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4330 (PREDICATE_CODES): Remove zero_operand.
4331 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4332 TARGET_BROKEN_SAVERESTORE.
4333 (zero_operand): Remove.
4334 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4335 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4337 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4338 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4339 TARGET_BROKEN_SAVERESTORE): Remove.
4340 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4342 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4344 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4347 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4349 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4351 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4352 truncating a string. Don't assume tokens are nul terminated.
4353 Problem noted by Andreas Jaeger <aj@suse.de>
4355 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4357 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4358 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4359 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4361 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4363 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4364 STRUCTURE_SIZE_BOUNDARY.
4366 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4368 * tree.h (record_layout_info_s): New structure.
4369 (record_layout_info): New type.
4370 (new_record_layout_info): New function.
4371 (layout_field): Likewise.
4372 (finish_record_layout): Likewise.
4373 * stor-layout.c (layout_record): Remove.
4374 (new_record_layout_info): New function.
4375 (layout_field): New function, broken out from layout_record.
4376 (finalize_record_size): Likewise.
4377 (compute_record_mode): Likewise.
4378 (finalize_type_size): New function, broken out from layout_type.
4379 (finish_record_layout): Likewise.
4380 (layout_type): Use them.
4382 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4384 * cpphash.c: Don't include version.h.
4385 (special_symbol) [case T_VERSION]: Look for the string in
4386 hp->value.cpval; don't use version_string.
4387 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4388 __VERSION__ to version_string.
4389 * Makefile.in (cpphash.o): Update deps.
4391 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4393 Convert cpplib to use libiberty/hashtab.c.
4395 * cpplib.h (struct cpp_reader): Make hashtab and
4396 all_include_files of type 'struct htab *'. Delete HASHSIZE
4397 and ALL_INCLUDE_HASHSIZE macros.
4399 * cpphash.h: Update prototypes.
4400 (struct hashnode): Remove next, prev, and bucket_hdr members.
4401 Make length a size_t. Add hash member.
4402 (struct ihash): Remove next member. Add hash member. Make
4403 name a flexible array member.
4405 * cppfiles.c: Include hashtab.h.
4406 (include_hash): Delete.
4407 (IHASHSIZE): New macro.
4408 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4409 (cpp_included): Do the hash lookup here.
4410 (_cpp_find_include_file): Rewrite.
4411 (cpp_read_file): Put the "fake" hash entry into the hash
4412 table. Honor the control_macro, if it turns out we've seen
4413 the file before. Don't push the buffer here.
4414 (_cpp_read_include_file): Push the buffer here.
4415 (OMODES): New macro. Use it whenever we call open(2).
4417 * cpphash.c: Include hashtab.h.
4418 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4419 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4420 _cpp_lookup_slot): New functions.
4421 (HASHSIZE): new macro.
4422 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4423 (_cpp_lookup): Use hashtab.h routines.
4425 * cppinit.c: Include hashtab.h.
4426 (cpp_reader_init): Call _cpp_init_macro_hash and
4427 _cpp_init_include_hash. Don't allocate hashtab directly.
4428 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4429 pfile->all_include_files.
4430 (initialize_builtins): Use _cpp_make_hashnode and
4431 htab_find_slot to add hash entries.
4432 (cpp_finish): Just call _cpp_dump_macro_hash.
4433 * cpplib.c: Include hashtab.h.
4434 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4435 create hash entries.
4436 (do_pragma_poison, do_assert): Likewise.
4437 (do_include): Don't push the buffer here. Don't increment
4438 system_include_depth unless _cpp_read_include_file succeeds.
4439 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4441 (do_pragma_implementation): Use alloca to create copy.
4443 * Makefile.in: Update dependencies.
4445 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * cppinit.c (cl_directive_handler): More K&R fixing.
4449 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4451 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4453 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4455 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4457 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4458 Change from char[] to macros.
4460 2000-03-12 Neil Booth <NeilB@earthling.net>
4462 * cppinit.c (cpp_start_read): Update indirect function
4465 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4467 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4470 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4471 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4473 2000-03-11 Neil Booth <NeilB@earthling.net>
4475 * cppinit.c (struct pending option): Replace undef with a
4476 pointer to a directive handling routine.
4477 (struct cpp_pending): Replace separate assert_ and define_
4478 lists with one directive_ list.
4479 (new_pending_define): Rename new_pending_directive. Extra
4480 argument is the directive's handling routine.
4481 (handle_option): Update to use new_pending_directive.
4483 2000-03-11 Neil Booth <NeilB@earthling.net>
4485 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4486 remap_filename, _cpp_read_include_file, actual_directory,
4487 hack_vms_include_specification): Replace bcopy(), index() etc
4488 calls. Add casts to some allocations. Make some variables
4489 pointers to const [unsigned] char.
4490 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4491 collect_formal_parameters): Similarly.
4492 * cppinit.c (struct pending_option, append_include_chain,
4493 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4494 cpp_start_read, new_pending_define, handle_option): Similarly.
4495 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4496 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4497 do_pragma_implementation, detect_if_not_defined,
4498 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4499 do_assert, do_unassert): Similarly.
4500 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4501 function prototypes.
4502 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4504 2000-03-10 Richard Henderson <rth@cygnus.com>
4506 * builtins.c (expand_builtin_strlen): Revert last change.
4507 Use emit_insn_before if we're at the beginning of a sequence.
4509 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4511 * builtins.c (expand_builtin_strlen): Make sure that we have something
4512 at the beginning of the sequence.
4514 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4517 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4519 2000-03-10 Richard Henderson <rth@cygnus.com>
4521 * except.c (can_throw): Use INTVAL on a CONST_INT.
4522 (reachable_handlers): Likewise.
4523 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4525 2000-03-10 Andreas Jaeger <aj@suse.de>
4527 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4528 MD_STARTFILE_PREFIX since those are not needed on linux.
4529 (ASM_FILE_START): New, from mips/gnu.h.
4531 2000-03-09 Richard Henderson <rth@cygnus.com>
4532 Alex Samuel <samuel@codesourcery.com> and others
4534 * Makefile.in (ssa.o): New rule.
4536 (STAGESTUFF): Add *.ssa and *.ussa.
4537 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4538 * rtl.def (PHI): New RTL expression.
4539 * rtl.h (clear_log_links): New declaration.
4540 (convert_to_ssa): Likewise.
4541 (convert_from_ssa): Likewise.
4542 * flow.c (split_edge): If the entry node falls through to the
4543 split edge's source block, split the entry edge.
4544 (clear_log_links): New function.
4545 * toplev.c (ssa_dump): New variable.
4546 (flag_ssa): Likewise.
4547 (f_options): Add "ssa".
4548 (compile_file): Create SSA dump files.
4549 (rest_of_compilation): Go to and from SSA if enabled.
4550 (decide_d_option): Handle -de for SSA dump files.
4553 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4555 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4558 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4560 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4562 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4564 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4565 (MD_STARTFILE_PREFIX_1): New macro.
4567 2000-03-09 Robert Lipe <robertl@sco.com>
4569 * config/ia64/ia64.c: Include system.h.
4571 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4573 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4574 (init_eh_nesting_info): Likewise.
4576 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4577 (TREE_NOTHROW): Rename from TREE_RAISES.
4578 * toplev.c (rest_of_compilation): Set it.
4579 * print-tree.c (print_node): Adjust.
4580 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4581 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4582 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4583 REG_EH_REGION note as appropriate.
4584 (libfunc_nothrow): New fn.
4585 (emit_library_call, emit_library_call_value): Use it.
4586 (expand_call): Check TREE_NOTHROW.
4588 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4589 DECL_ASSEMBLER_NAME.
4591 2000-03-09 Andreas Jaeger <aj@suse.de>
4593 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4594 (TARGET_MEM_FUNCTIONS): Define.
4596 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4598 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4600 * except.c (can_throw): See through a SEQUENCE.
4601 (nothrow_function_p): New fn.
4602 * except.h: Declare it.
4603 * function.c (current_function_nothrow): New var.
4604 (prepare_function_start): Initialize it.
4605 * output.h: Declare it.
4606 * toplev.c (rest_of_compilation): Set it.
4607 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4609 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4611 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4612 match. (cpp_compare_defs): Count the nul separator when
4613 advancing over argument names.
4615 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4617 * recog.c (preprocess_constraints): Matching constraints affect
4618 same alternative/different operand, not same operand/different
4621 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4622 register and a constant specially.
4624 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4626 * libgcc2.h: New file.
4627 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4629 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4631 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4632 * configure: Regenerate.
4635 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4637 * Makefile.in (LIBCPP_DEPS): New macro.
4638 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4640 * cpperror.c: Include cpphash.h.
4641 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4643 (lex): Don't use CPP_WARN_UNDEF.
4644 (_cpp_parse_expr): Return an int, the truth value.
4645 * cppfiles.c: Include cpphash.h.
4646 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4647 * cppinit.c (include_defaults_array): Disentangle.
4648 (cpp_cleanup): Don't free the if stack here.
4649 (cpp_finish): Pop off all buffers, not just one.
4650 * cpplib.c (eval_if_expr): Return int.
4651 (do_xifdef): Rename do_ifdef.
4652 (handle_directive): Don't use CPP_PREPROCESSED.
4653 (cpp_get_token): Don't use CPP_C89.
4654 * fix-header.c: Don't use CPP_OPTIONS.
4656 * cpplib.h: Move U_CHAR, enum node_type, struct
4657 file_name_list, struct ihash, is_idchar, is_idstart,
4658 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4659 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4660 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4661 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4662 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4663 of _cpp_simplify_pathname, _cpp_find_include_file,
4664 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4665 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4667 Change all uses of U_CHAR to be unsigned char instead.
4668 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4670 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4672 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4673 (dwarf2out_begin_prologue): Set it.
4674 (output_call_frame_info): Don't emit EH unwind info for leaves.
4676 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4677 can occur outside of an EH region.
4678 * except.c: Correct comments about rethrow behavior.
4679 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4681 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4683 * flow.c (make_edges): Always call make_eh_edge for calls.
4685 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4687 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4688 (struct cpp_buffer): Remove fname and underflow fields.
4689 (struct cpp_reader): Remove get_token field.
4690 (struct include_hash): Rename to struct ihash. Add typedef to
4692 (struct if_stack): Remove fname field.
4693 (IF_STACK_FRAME): Rename to IF_STACK.
4695 * cpperror.c (print_containing_files): Trust that there are no
4696 macro buffers below the top file buffer.
4697 * cppfiles.c: Replace all references to 'struct include_hash'
4698 with 'IHASH'. Rename initialize_input_buffer to
4699 init_input_buffer. Don't set or reference cpp_buffer->fname,
4700 use buffer->ihash->name instead.
4701 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4702 not CPP_NULL_BUFFER.
4703 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4704 IF_STACK_FRAME, IHASH not struct include_hash.
4705 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4706 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4707 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4708 references to cpp_buffer->fname (delete entirely, or use
4709 ->ihash->name instead) and IF_STACK->fname.
4710 (cpp_push_buffer): Don't set new->underflow.
4711 (do_include): Use cpp_file_buffer.
4713 * cpphash.c (collect_formal_parameters): Remove duplicate
4714 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4715 used as a macro argument name. Don't append "..." to namebuf
4716 for varargs macros. After we're done scanning, go through
4717 namebuf and make it NUL separated, not comma separated.
4718 (_cpp_compare_defs): Remove register tag from variables.
4719 Expect defn->argnames to be NUL separated.
4720 (_cpp_dump_definition): Expect defn->argnames to be NUL
4721 separated and in forward order.
4722 * cpphash.h: Update documentation of argnames field.
4724 2000-03-08 Richard Henderson <rth@cygnus.com>
4726 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4727 to fail. Don't pre-expand the source operand.
4729 * i386.md (strlensi): Initialize eoschar and align before use.
4731 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4733 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4734 CONSTRUCTOR element.
4736 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4738 * mips.c (mips_expand_prologue): If the last
4739 named argument is the vararg marker "va_list", treat it as
4740 an unnamed argument.
4742 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4744 * dbxout.c (dbxout_parms): When correcting for promoted
4745 big-endian parameters, use the mode of the DECL_RTL rather
4746 than UNITS_PER_WORD.
4748 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4750 * c-common.h (make_fname_decl): Declare.
4751 * c-common.c (make_fname_decl): Define.
4752 (declare_hidden_char_array): Remove.
4753 (declare_function_name): Use make_fname_decl.
4754 * c-decl.c (c_make_fname_decl): New function.
4755 (init_decl_processing): Set make_fname_decl.
4757 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4759 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4761 2000-03-07 Philipp Thomas <pthomas@suse.de>
4763 * po/POTFILES.in: Remove cppalloc.c from file list.
4765 2000-03-07 Steve Chamberlain <sac@pobox.com>
4767 * pj.c (pj_expand_prologue): current_function->args_info is
4768 now current_function_args_info.
4770 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4771 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4772 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4774 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4776 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4777 output as hexadecimal rather than the default octal.
4779 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4781 * cpphash.c (special_symbol): Fix thinko in previous commit.
4783 2000-03-07 Neil Booth <NeilB@earthling.net>
4785 * cppexp.c (struct operation, left_shift, right_shift,
4786 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4787 "int"s to "unsigned int"s.
4788 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4790 * cpplib.h: Update for above.
4791 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4792 returned from allocations.
4794 * cppinit.c (opt_comp, parse_options): New functions.
4795 (handle_option): Use parse_option to parse a single command
4796 line option, that possibly takes an argument.
4797 (cpp_handle_options): Sort the array of command line options on
4798 first invocation (non-ASCII hosts only).
4799 (print_help): Update.
4801 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4803 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4804 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4806 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4808 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4810 * cpperror.c (cpp_print_containing_files,
4811 cpp_print_file_and_line, v_cpp_message): Rename to
4812 print_containing_files, print_file_and_line, and v_message.
4813 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4814 to _cpp_parse_expr, parse_escape, and lex.
4815 (parse_charconst): Remove broken multibyte support.
4816 * cppfiles.c (include_hash): Make static.
4817 (cpp_included): New function.
4818 (merge_include_chains, find_include_file, finclude,
4819 simplify_pathname): Rename to _cpp_merge_include_chains,
4820 _cpp_find_include_file, _cpp_read_include_file, and
4821 _cpp_simplify_pathname.
4822 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4823 cpp_install, create_definition, macroexpand, compare_defs,
4824 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4825 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4826 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4827 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4829 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4831 * cpphash.h: Update prototypes.
4832 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4834 2000-03-07 Andrew Haley <aph@cygnus.com>
4836 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4837 PTRDIFF_TYPE should be based solely on Pmode.
4840 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4842 * rtl.h (rtunion_def): Constify member `rtstr'.
4843 (emit_line_note_after, emit_line_note, emit_line_note_force,
4844 emit_note, decode_asm_operands): Constify.
4846 * cse.c (canon_hash): Likewise.
4848 * dbxout.c (dbxout_block): Likewise.
4850 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4851 v_warning_for_asm): Likewise.
4853 * dwarfout.c (function_start_label): Likewise.
4855 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4856 emit_line_note_force): Likewise.
4858 * final.c (last_filename, asm_insn_count, final_scan_insn,
4859 output_source_line): Likewise.
4861 * function.h (struct emit_status): Likewise.
4863 * gcse.c (hash_expr_1): Likewise.
4865 * genattr.c (gen_attr, main): Likewise.
4867 * genattrtab.c (struct function_unit, current_alternative_string,
4868 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4869 attr_numeral, check_attr_test, check_attr_value,
4870 convert_set_attr_alternative, convert_set_attr,
4871 compute_alternative_mask, simplify_by_exploding, gen_attr,
4872 gen_unit): Likewise.
4874 * genflags.c (gen_insn): Likewise.
4876 * gengenrtl.c (type_from_format): Likewise.
4878 * genopinit.c (gen_insn): Likewise.
4880 * genoutput.c (n_occurrences, process_template, process_template):
4883 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4886 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4889 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4890 ggc_set_mark, ggc_get_size): Likewise.
4892 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4894 * optabs.c (init_one_libfunc): Likewise.
4896 * output.h (assemble_start_function): Likewise.
4898 * recog.c (decode_asm_operands): Likewise.
4900 * toplev.c (rest_of_compilation): Likewise.
4902 * tree.h (emit_line_note_after, emit_line_note,
4903 emit_line_note_force): Likewise.
4905 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4906 asm_emit_uninitialised, assemble_start_function,
4907 assemble_variable, const_hash, compare_constant_1,
4908 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4910 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4912 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4914 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4916 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4918 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4919 arm_dllimport_name_p): Likewise.
4921 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4924 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4926 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4928 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4929 arm_mark_dllexport, arm_mark_dllimport,
4930 arm_pe_encode_section_info): Likewise.
4932 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4933 ASM_FINISH_DECLARE_OBJECT): Likewise.
4935 * arm/thumb.c (thumb_function_prologue): Likewise.
4937 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4939 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4941 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4943 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4945 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4947 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4949 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4950 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4952 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4954 * i386/i386.c (asm_output_function_prefix): Likewise.
4956 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4958 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4960 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4962 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4963 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4964 ASM_OUTPUT_SECTION_NAME): Likewise.
4966 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4968 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4970 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4972 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4974 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4976 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4978 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4980 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4982 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4984 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4986 * mips/mips.md (movdi, movsi): Likewise.
4988 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4990 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4992 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4994 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4995 ASM_OUTPUT_ASCII): Likewise.
4997 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
4998 output_mi_thunk, output_toc): Likewise.
5000 * rs6000/rs6000.md (movsi): Likewise.
5002 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
5004 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
5006 * v850/v850.c (print_operand, print_operand_address,
5007 v850_encode_data_area): Likewise.
5009 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
5011 * config/mips/mips.md (zero_extendsidi2): Always force operand
5012 one to memory for mips16.
5014 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5016 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
5017 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
5018 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
5019 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
5020 (min_precision): Result is unsigned.
5021 (add_double, neg_double, mul_double): Low word is unsigned.
5022 (lshift_double, rshift_double, lrotate_double): Likewise.
5023 (rrotate_double, div_and_round_double): Likewise.
5024 (tree_floor_log2, compare_tree_int): New functions.
5025 (preserve_rtl_expr_temps): New declaration.
5026 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
5027 (decl_attributes): Use tree_log2 to find alignment.
5028 Check for TREE_INT_CST_HIGH for format args.
5029 (min_precision): Now unsigned.
5030 Use tree_floor_log2.
5031 (truthvalue_conversion): Delete long-disabled code.
5032 * c-decl.c (finish_struct): Clean up tests on field width.
5033 (finish_function): Use compare_tree_int.
5034 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
5035 * c-typeck.c (comptypes): Use tree_int_cst_equal.
5036 (default_conversion, digest_init): Use compare_tree_int.
5037 (build_binary_op): Use integer_all_onesp and compare_tree_int.
5038 Fix type errors in forming masks.
5039 * calls.c (initialize_argument_information): Use compare_tree_int.
5040 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5041 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
5042 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
5043 (store_field): Use compare_tree_int.
5044 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
5045 (expand_expr, case ARRAY_REF): Use compare_tree_int.
5046 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
5047 (do_store_flag): Use compare_tree_int.
5048 * fold-const.c (encode, decode): Low part is always unsigned.
5049 (force_fit_type, add_double, neg_double, mul_double): Likewise.
5050 (lshift_double, rshift_double, lrotate_double): Likewise.
5051 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
5052 (fold_convert): Use compare_tree_int.
5053 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
5054 (invert_truthvalue, case INTEGER_CST): Likewise.
5055 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
5056 * mkdeps.c (deps_dummy_targets): Make I unsigned.
5057 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
5058 (lshift_double, rshift_double, lrotate_double, rrotate_double):
5060 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
5061 (expand_end_case): Use compare_tree_int.
5062 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5063 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
5064 (layout_decl): Likewise.
5065 (layout_record, layout_union): Make sizes unsigned.
5066 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
5067 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
5068 * tree.c (struct type_hash): hashcode is unsigned.
5069 (build_type_attribute_variant, type_hash_list): Likewise.
5070 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
5071 (attribute_hash_list, build_array_type, build_method_type): Likewise.
5072 (build_complex_type): Likewise.
5073 (real_value_from_int_cst): Remove unneeded casts.
5074 (integer_all_onesp): Add casts.
5075 (tree_floor_log2, compare_tree_int): New functions.
5076 (build_index_type): Use tree_int_cst_sgn.
5077 * varasm.c (assemble_variable): Use compare_tree_int.
5079 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
5081 * cpphash.c (collect_expansion): Also catch ## at start of macro.
5083 * varasm.c (make_decl_rtl): Don't add a number to members of
5085 (make_function_rtl): Likewise.
5087 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5089 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
5090 patch from 2000-01-28.
5092 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
5094 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
5095 filled with an insn from the jump target.
5097 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5099 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
5100 (c4x_external_ref): Likewise.
5101 * config/c4x/c4x.c (struct name_list): Likewise.
5103 1999-12-16 Ben Collins <bcollins@debian.org>
5105 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
5106 argument to genmultilib.
5107 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
5108 the contents into the multilib.h header.
5109 * gcc.c: Declare multilib_exclusions for the specs file.
5110 (set_multilib_dir): Use it.
5111 (print_multilib_info): Likewise.
5112 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
5113 to pass to genmultilib.
5115 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5117 * builtins.c (built_in_class_names, built_in_names): Constify a
5120 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5122 (_mcleanup): Ensure value matches format specifier in sprintf.
5124 * cpphash.c (special_symbol): Don't needlessly cast away
5127 * cppinit.c (base_name): Delete unused prototype.
5129 * mkdeps.c (deps_init): Make definition K&R safe.
5131 * tree.h (built_in_class_names, built_in_names): Constify a
5134 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5136 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5137 floating point instructions for epilogue delay.
5139 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5140 to gas if it supports .register pseudo.
5142 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5143 LONG_DOUBLE_TYPE_SIZE if not defined.
5144 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5145 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5147 * gengenrtl.c: Likewise.
5148 * print-rtl.c: Likewise.
5150 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5151 MASK_LONG_DOUBLE_128.
5152 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5153 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5154 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5155 (SUBTARGET_SWITCHES): Define.
5156 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5157 with -mlong-double-128.
5158 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5159 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5160 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5161 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5162 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5163 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5164 with -mlong-double-128.
5165 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5166 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5167 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5168 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5169 TARGET_LONG_DOUBLE_128): Define.
5170 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5171 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5172 long double on TARGET_ARCH64.
5174 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5176 * function.c (free_temps_for_rtl_expr): Don't free slots
5177 that have been pushed into a higher level.
5180 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5182 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5184 * basic-block.h (ALLOCA_REG_SET): Remove.
5185 (INITIALIZE_REG_SET): New macro.
5186 * flow.c (update_life_info): Use it.
5187 (calculate_global_regs_live): Likewise.
5188 (propagate_block): Likewise.
5189 * global.c (build_insn_chain): Likewise.
5190 * haifa-sched.c (schedule_region): Likewise.
5192 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5194 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5195 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5196 (DWARF_ARANGES_PAD_SIZE): New define.
5197 (output_aranges): Use it to pad the address range header.
5198 (DWARF_ROUND): Fix for non power of 2 rounding.
5200 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5202 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5204 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5206 * tree.def (RTL_EXPR): Update documentation.
5207 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5208 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5209 * function.c (preserve_rtl_expr_temp): New function.
5210 (preserve_rtl_expr_temps): Likewise.
5211 (preserve_rtl_expr_result): Use it.
5214 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5216 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5218 * regmove.c (copy_src_to_dest) Do not create src->dest move
5219 for unchanging destination.
5221 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5223 * function.h (struct sequence_stack): Remove rtl_expr.
5224 (struct emit_staus): Likewise.
5225 (seq_rtl_expr): Remove.
5226 * tree.h (free_temps_for_rtl_expr): Don't declare.
5227 (start_sequence_for_rtl_expr): Likewise.
5228 * rtl.h (preserve_rtl_expr_result): Likewise.
5229 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5230 (start_sequence_for_rtl_expr): Remove.
5231 (push_topmost_sequence): Don't save sequence_rtl_expr.
5232 (pop_topmost_sequence): Remove comment about not restoring it.
5233 (end_sequence): Don't set seq_rtl_expr.
5234 (init_emit): Don't initialize it.
5235 (mark_sequence_stack): Don't mark it.
5236 (mark_emit_status): Likewise.
5237 * except.c (protect_with_terminate): Use
5238 start_sequence_for_rtl_expr, not start_sequence.
5239 * expr.c (expand_expr, case RTL_EXPR): Don't call
5240 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5241 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5242 (preserve_rtl_expr_result): Remove.
5243 (free_temps_for_rtl_expr): Likewise.
5244 (pop_temp_slots): Likewise.
5245 (mark_temp_slot): Don't mark the rtl_expr.
5246 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5247 start_sequence_for_rtl_expr.
5249 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5251 * mkdeps.c, mkdeps.h: New files.
5252 * po/POTFILES.in: Add them.
5253 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5254 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5255 (mkdeps.o): New target.
5257 * cppfiles.c: Delete deps_output.
5258 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5259 OBJECT_SUFFIX, and base_name.
5260 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5262 (initialize_dependency_output): Use deps_init,
5263 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5264 all the unnecessary string bashing.
5265 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5267 * cpplib.c (do_include): Use deps_add_dep.
5268 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5269 deps_allocated_size, deps_size, deps_column members with
5270 single pointer to a struct deps. Delete prototype of
5273 * cppinit.c: Fix thinko in previous patch.
5275 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5277 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5278 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5279 (mode_for_size_tree): New function.
5280 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5281 * tree.h (mode_for_size_tree): New declaration.
5283 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5285 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5287 * stmt.c (is_body_block): Move...
5288 * dwarfout.c, dwarf2out.c: ...from here.
5289 * tree.h: Declare it.
5290 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5291 * final.c (final_start_function): Do call remove_unnecessary_notes
5294 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5296 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5298 * cpplib.h (_dollar_ok): New macro.
5299 (is_idchar, is_idstart): Use it.
5300 (IStable): Rename to _cpp_IStable. Declare it const if
5301 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5302 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5303 is_space): Update for renamed IStable.
5305 * cppinit.c: Delete all references to FAKE_CONST and CAT
5306 macros. Define init_IStable as empty macro if gcc >=2.7 or
5307 C99. Change TABLE() to ISTABLE and hardcode name of table.
5308 (cpp_start_read): Don't change the IStable based on
5311 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5312 changed. Handle '$' for char1 correctly.
5313 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5315 * cppexp.c (tokentab2): Make const.
5316 (cpp_lex): Make toktab const.
5317 * cppinit.c (include_defaults_array): Make const.
5318 (initialize_standard_includes): Make default_include const.
5320 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5322 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5323 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5324 (gen_decl_die): Likewise.
5325 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5326 (output_decl): Likewise.
5328 * varasm.c (make_function_rtl): If we change the name used in the
5329 rtl, update DECL_ASSEMBLER_NAME accordingly.
5330 (make_decl_rtl): Likewise.
5332 * toplev.c (rest_of_compilation): Tweak formatting.
5334 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5335 remove_unnecessary_notes.
5336 (debug_ignore_block): New fn.
5337 * toplev.h: Declare it.
5338 * emit-rtl.c (remove_unncessary_notes): Call it.
5339 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5340 * dwarf2out.h: Declare it.
5341 * final.c (final_start_function): Don't call remove_unnecessary_notes
5342 if we did insn scheduling.
5344 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5346 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5347 * cpplib.h: Delete SET_CPP_PEDANTIC.
5349 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5351 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5352 result is a RECORD_TYPE.
5354 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5356 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5358 2000-03-03 Richard Henderson <rth@cygnus.com>
5360 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5361 addition over compliments over shifts.
5363 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5365 * reload1.c (reload_combine_note_use): Handle return register USEs.
5366 REG case: Handle multi-hard-register hard regs.
5368 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5370 * md.texi: Document use of '*' in insn pattern name.
5372 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5374 * calls.c (special_function_p): operator new may not be malloc-like.
5376 * gcse.c (dump_hash_table): Really fix error in last change.
5378 2000-03-02 Denis Chertykov <denisc@overta.ru>
5380 * avr.c (print_operand): Use print_operand_address instead of
5382 * avr/libgcc.S: Cleanup code.
5384 2000-03-02 Richard Henderson <rth@cygnus.com>
5386 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5388 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5390 * tree.h (TYPE_ALIGN_UNIT): New macro.
5392 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5394 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5396 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5398 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5400 (SET_CPP_PEDANTIC): New macro.
5401 * cpplib.c (do_include): Don't bother checking system_header_p.
5402 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5403 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5405 * function.h (struct expr_status): Add x_arg_space_so_far.
5406 (arg_space_so_far): New macro.
5407 * expr.c (init_expr): Initialize it.
5408 * calls.c (emit_call_1): Reset it.
5409 (compute_argument_block_size, expand_call): Use it.
5410 (expand_call, store_one_arg): Increment it.
5412 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5414 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5417 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5419 * cppfiles.c (cpp_read_file): New function.
5421 * cpphash.c (collect_expansion): Make sure to reset last_token
5422 to NORM when we hit a string. Handle trailing whitespace
5423 properly when the expansion is empty.
5424 (create_definition): Disable line commands while parsing the
5426 (dump_definition): If pfile->lineno == 0, output a line
5427 command ahead of the dump, and add a trailing newline.
5429 * cppinit.c (append_include_chain): Add fifth argument, which
5430 indicates whether or not system headers are C++ aware.
5431 (initialize_standard_includes): New function,
5432 broken out of read_and_prescan. Pass 'cxx_aware' value from
5433 the include_defaults_array on to append_include_chain.
5434 (dump_special_to_buffer): Const-ify char array.
5435 (builtin_array): Don't dump __BASE_FILE__.
5436 (cpp_start_read): Use cpp_read_file. Reorder code for
5437 clarity. Don't output line commands here for -D/-A/-U
5438 switches. Don't call deps_output for files included with
5439 -include or -imacros.
5441 * cpplib.c (do_define): Don't pay any attention to the second
5443 (cpp_expand_to_buffer): Disable line commands while scanning.
5444 (output_line_command): Work in the file buffer.
5445 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5446 Fix formatting of comments. Prototype cpp_read_file.
5448 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5450 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5451 reference the language-equivalent of sizetype.
5452 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5453 * fold-const.c (size_binop, size_diffop): Put back checks.
5454 * gcse.c (dump_hash_table): Fix minor error in last change.
5455 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5456 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5459 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5461 * calls.c (expand_call) Do not attempt to combine stack adjustments
5462 with inhibit_defer_pop set.
5464 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5466 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5467 the DECL_SIZE for a FIELD_DECL.
5469 2000-03-01 Bruce Korb <bkorb@gnu.org>
5471 * fixinc/inclhack.tpl: remove unused symlinks
5472 * fixinc/README: GCC Maintainer info
5473 * fixinc/inclhack.sh: regen
5474 * fixinc/fixincl.sh: regen
5476 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5478 * cpphash.c (collect_expansion): Trim trailing white space
5479 from macro definitions, but don't go past the last insertion
5482 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5484 * i386.md (mulqi3): New pattern.
5486 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5488 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5490 (struct cpp_reader): Add parsing_if_directive and
5491 parsing_define_directive flags.
5492 (struct cpp_options): Remove output_conditionals flag.
5493 (check_macro_name): Delete prototype.
5495 * cpphash.h (struct macrodef): Delete.
5496 (struct reflist): Separate from struct definition.
5497 (struct definition): Remove unused fields. Add column number.
5498 (create_definition): Returns a DEFINITION *. Takes a
5499 cpp_reader * and an int.
5501 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5502 (PEEKC): Copy defn from cpplib.c.
5503 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5505 (struct arglist): Simplify.
5506 (collect_expansion): Rewrite. Get tokens by calling
5507 cpp_get_token. Add more error checking.
5508 (collect_formal_parameters): New function, broken out of
5509 create_definition and reworked to use get_directive_token.
5510 (create_definition): All real work is now in collect_expansion
5511 and collect_formal_parameters. do_define handles finding the
5512 macro name. Return a DEFINITION, not a MACRODEF.
5513 (macroexpand): Replace bcopy with memcpy throughout. Replace
5514 character-at-a-time copy loop with memcpy and pointer increments.
5515 (compare-defs): d1->argnames / d2->argnames might be null.
5517 * cpplib.c (copy_rest_of_line): Delete function.
5518 (skip_rest_of_line): Do all the work ourselves.
5519 (skip_string): New function.
5520 (parse_string): Use skip_string.
5521 (get_macro_name): New function.
5522 (check_macro_name): Delete.
5523 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5524 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5525 (handle_directive): ICE if we're called on a macro buffer.
5526 (do_define): Determine macro name and type (funlike/objlike)
5527 here. Expunge all uses of MACRODEF.
5528 (cpp_push_buffer): Set line_base to NULL.
5529 (do_undef, read_line_number): Don't worry about getting a POP token.
5530 (eval_if_expression): Set/reset parsing_if_directive around
5531 cpp_parse_expr. Don't clear only_seen_white.
5532 (skip_if_group): Remove output_conditionals logic. Use
5534 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5535 tokens under appropriate conditions.
5536 (cpp_unassert): Call do_unassert not do_assert. Oops.
5538 * cppexp.c (parse_defined): New function, break out of
5540 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5541 ourselves, with cpp_defined.
5542 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5544 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5545 * gcc.dg/strpaste-2.c: New.
5547 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5549 * fold-const.c (size_binop): Don't asert inputs are the same and
5550 have TYPE_IS_SIZETYPE set.
5551 (size_diffop): Likewise.
5553 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5555 * dwarfout.c (output_block): Output abstract blocks even if they
5556 don't have TREE_ASM_WRITTEN set.
5558 * calls.c (emit_library_call): Check for null REG.
5560 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5562 * c-decl.c (current_function_decl): Move to toplev.c.
5563 (init_decl_processing): Don't add current_function_decl as a ggc
5565 * dbxout.c (dbxout_symbol): Change return type to int.
5566 (dbxout_symbol_location, dbxout_syms): Likewise.
5567 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5568 any locals. Use current_function_func_begin_label if set.
5569 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5570 * dwarf2out.c (dwarf2out_begin_prologue): Set
5571 current_function_func_begin_label.
5572 * final.c (final_start_function): Reset it.
5573 * toplev.c (current_function_decl): Define it here.
5574 (current_function_func_begin_label): New variable.
5575 (main): Add both as ggc roots.
5576 * tree.h (current_function_func_begin_label): Declare.
5578 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5580 * gcse.c: Cleanups throughout: mostly white-space, but also
5581 some minor rearrangement of code.
5583 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5585 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5586 returns a PARALLEL. Use emit_group_load and use_group_regs
5588 (emit_library_call_value): Similarly.
5590 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5591 * pa/quadlib.asm: Remove.
5592 * pa/quadlib.c: New file.
5594 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5595 * configure: Rebuilt.
5597 2000-02-29 Philip Blundell <pb@futuretv.com>
5599 * config/arm/conix-elf.h: New file.
5600 * configure.in (arm*-*-conix*): New configuration.
5601 * configure: Regenerate.
5603 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5605 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5606 don't have TREE_ASM_WRITTEN set.
5608 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5610 * Eliminate DECL_FIELD_SIZE.
5611 * builtins.c (built_in_class_names, built_in_names): New variables.
5612 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5613 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5614 DECL_SIZE, not DECL_FIELD_SIZE.
5615 * print-tree.c (print_node): Remove code that prints extra blank
5616 lines in some cases.
5617 Properly handle inline and builtin function cases.
5618 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5619 * tree.h (built_in_class_named, built_in_names): New declarations.
5620 (union tree_decl): Rename internal unions to u1 and u2 and change
5621 some of their components.
5622 Add new field built_in_class.
5623 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5624 Reflect above changes.
5625 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5626 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5627 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5628 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5630 2000-02-28 Dmitri Makarov <dim@windriver.com>
5632 * extend.texi: Document ARM's support for long/short calls.
5634 * invoke.texi: Document ARM's -mlong-calls command line switch.
5636 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5637 (arm_encode_call_attribute): Add prototype.
5638 (arm_set_default_type_attribute): Add prototype.
5639 (arm_strip_name_encoding): Add prototype.
5641 * config/arm/arm.c (arm_init_cumulative_args): replace
5642 initialisation og 'long_calls' field with initialisation of
5643 'call_cookie' field.
5644 (enum arm_pragma_enum): New enum.
5645 (arm_pragma_long_calls): New static variable.
5646 (arm_process_pragma): Also process "#pragma long_calls_off".
5647 (arm_valid_type_attribute_p): Accept short_call attribute.
5648 (arm_comp_type_attributes): Check long/short call attributes.
5649 (arm_encode_call_attribute): New function: Encode long_call
5650 or short_call attribute in function name.
5651 (arm_set_default_type_attributes): New function: Assign
5652 default attributes to newly defined type.
5653 (current_file_function_operand): New function: Return true if
5654 the symbol is a function which has already been compiled.
5655 (arm_is_longcall_p): New function: Return true if the
5656 indicated function should be called via a long call.
5657 (arm_get_strip_length): New function. Returns number of
5658 prefix characters to be stripped from a function's name.
5659 (arm_strip_name_encoding): New function. Strip prefix characters
5660 from a function's name.
5662 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5664 (SHORT_CALL_FAG_CHAR): Define.
5665 (LONG_CALL_FAG_CHAR): Define.
5666 (ENCODED_SHORT_CALL_ATTR_P): Define.
5667 (ENCODED_LONG_CALL_ATTR_P): Define.
5668 (ARM_NAME_ENCODING_LENGTHS): Define.
5669 (STRIP_NAME_ENCODING): Define.
5670 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5671 (ARM_ENCODE_CALL_TYPE): Define.
5672 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5673 (ARM_DECLARE_FUNCTION_SIZE): Define.
5674 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5676 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5677 if a long call is needed.
5678 (call_value): Ditto.
5679 (call_symbol): Ditto.
5681 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5682 ARM_DECLARE_FUNCTION_SIZE.
5684 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5685 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5686 (ARM_STRIP_NAME_ENCODING): Undefine.
5687 (STRIP_NAME_ENCODING): Undefine.
5688 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5689 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5690 (ASM_OUTPUT_COMMON): Ditto.
5691 (ASM_DECLARE_OBJECT_NAME): Ditto.
5693 * config/arm/pe.c (arm_dllexport_name_p): Check for
5695 (arm_dllimport_name_p): Ditto.
5696 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5697 (arm_mark_dllimport): Ditto.
5699 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5701 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5703 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5705 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5707 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5709 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5710 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5711 NO_BUILTIN_WCHAR_TYPE is not defined.
5712 (CPP_WCHAR_TYPE): Delete.
5713 * cccp.c (main): Don't change wchar_type if cplusplus.
5714 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5716 2000-02-28 Nick Clifton <nickc@cygnus.com>
5718 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5720 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5722 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5723 (ASM_WEAKEN_LABEL): Define.
5725 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5727 * expr.c (store_constructor): Do not emit USE.
5728 * rtl.h (stupid_life_analysis): Remove.
5730 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5732 * function.c (number_blocks): Reset next_block_index based on
5733 what debugging format is used, not what is defined.
5735 * lcm.c: Minor reformatting throughout.
5736 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5738 * toplev.c (rest_of_compilation): Account for time in
5739 optimize_mode_switching.
5741 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5742 if only marking labels.
5744 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5746 * calls.c (expand_call): Attempt to combine stack adjustments with
5747 pending stack adjustments.
5749 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5751 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5752 to the end of the function.
5754 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5756 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5758 * final.c (next_block_index): Remove.
5759 (max_block_depth): Likewise.
5760 (pending_blocks): Likewise.
5761 (init_final): Don't initialize them.
5762 (final_start_function): Don't set next_block_index. Set up
5764 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5765 * function.h (number_blocks): New function.
5766 * function.c (get_block_vector): New function.
5767 (identify_blocks): Use it.
5768 (reorder_blocks): Set NOTE_BLOCK.
5769 (number_blocks): New function.
5770 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5771 * tree.h (BLOCK_NUMBER): New macro.
5772 (tree_block): Add block_num field.
5773 * dbxout.c (next_block_number): Remove.
5774 (dbxout_init): Don't set it.
5775 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5776 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5778 * toplev.c (rest_of_compilation): Always call
5779 find_loop_tree_blocks. Fix indentation.
5780 * dwarf2out.c (next_block_number): Remove.
5781 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5782 to determine block numbers.
5783 (gen_inlined_subroutine_die): Likewise.
5784 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5785 (decls_for_scope): Don't increment next_block_number.
5786 * dwarfout.c (next_block_number): Remove.
5787 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5788 to determine block numbers.
5789 (output_inlined_subroutine_die): Likewise.
5790 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5791 (output_decls_for_scope): Don't increment next_block_number.
5792 * sdbout.c (next_block_number): Remove.
5793 (sdbout_block): Use BLOCK_NUMBER.
5794 (sdbout_begin_block): Simplify.
5795 * xcoffout.c (next_block_number): Remove.
5796 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5797 (xcoffout_begin_block): Don't set next_block_number.
5798 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5801 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5803 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5804 (expand_builtin_strcpy): Pass correct type to size_binop.
5805 (expand_builtin_strcmp): Likewise.
5806 Clean up conditional structure.
5807 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5808 (complete_array_type): Don't use size_binop for MAXINDEX.
5809 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5810 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5811 (c_alignof): Use size_one_node.
5812 (build_unary_op): Pass arg of proper type to size_binop.
5813 (really_start_incremental_init, push_init_level): Use sizetype for
5814 constructor{,_bit,_unfilled}_index.
5815 (pop_init_label, output_init_element): Likewise.
5816 (output_pending_init_elements, process_init_element): Likewise.
5817 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5818 * expr.c (store_expr): Use size_int.
5819 (store_constructor): Use proper types for size_binop args.
5820 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5821 (expand_expr_unaligned): Likewise.
5822 (string_contant): Return object of sizetype.
5823 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5824 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5825 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5826 * fold-const.c (int_const_binop): Refine when size_int is called.
5827 (fold_convert): Likewise.
5828 (size_int_wide): Rework to take KIND as arg, only take low order
5829 bits, handle new sizetype_tab datatype, and chain entries in
5831 (size_int_type_wide): New function.
5832 (size_binop): Validate types of arguments.
5833 (ssize_binop): Deleted.
5834 (size_diffop): New function.
5835 (extract_muldiv): Only fold division into multiplication for sizetypes.
5836 * function.c (assign_parms): Use size_diffop and make sure
5837 VAR field is of ssizetype; also pass proper type to size_binop.
5838 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5839 (round_down): Deleted from here.
5840 * store-layout.c (sizetype_tab): Now an array.
5841 (sizetype_set, early_root_list): New variables.
5842 (variable_size): Use size_one_node.
5843 (round_up): Pass proper type to size_binop.
5844 (round_down): Moved to here and corrected as above.
5845 (layout_record): Pass proper arg types to size_binop.
5846 (layout_type): Likewise.
5847 If sizetype_set is zero, record the type just laid out.
5848 (make_unsigned_type): Don't call set_sizetype;
5849 (make_signed_type): Likewise; also, call fixup_signed_type.
5850 (initialize_sizetypes): New function.
5851 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5852 set name of bitsizetype to "bit_size_type".
5853 Fix up type of sizes of all types made before call.
5854 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5855 * tree.c (fix_sizetype): Deleted.
5856 (build_common_tree_nodes): Call initialize_sizetypes.
5857 (build_common_tree_nodes_2): Don't call fix_sizetype.
5858 * tree.h (TYPE_IS_SIZETYPE): New macro.
5859 (initialize_sizetype): New declaration.
5860 (enum size_type_kind): New type.
5861 (struct sizetype_tab): Deleted.
5862 (sizetype_tab): Now array; adjust sizetype macros.
5863 (size_diffop, size_int_type_wide): New functions.
5864 (size_int_wide): Change number of args and type; access macros changed.
5865 (ssize_int, sbitsize_int): New macros.
5866 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5867 (ROUND_TYPE_SIZE_UNIT): New macro.
5869 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5871 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5873 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5875 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5876 Mark as possibly unused.
5878 * cse.c (cse_insn): Delete dead code involving tablejump.
5879 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5881 * Makefile.in (libcpp.a): Start by deleting it.
5883 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5885 * cpplib.h (enum file_change_code): Added rename_file.
5886 * cpplib.c (do_line): If a filename is given, set file_change to
5888 (output_line_command): If file_change is rename_file, always
5889 output a # directive with the file name.
5891 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5893 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5895 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5896 when copying a PARM_DECL or RESULT_DECL.
5898 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5900 * fix-header.c (recognized_function): Also fix prototypes for
5901 functions taking "void".
5903 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5905 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5906 looking at reg_reloaded_contents.
5908 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5910 * Makefile.in (STMP_FIXINC): New toggle.
5911 (LIBGCC2_DEPS): Delete all references.
5912 (stmp-headers): Delete target. All references either deleted
5913 or changed to stmp-int-headers.
5914 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5915 (LIBCPP_OBJS): Take out cppalloc.o.
5916 (cppalloc.o): Delete target.
5917 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5918 (gen-protos, fix-header): Link with libiberty.a.
5919 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5922 * configure.in: Remove refs to strerror.
5923 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5924 * system.h: Take out strerror stanza.
5926 * cpperror.c (my_strerror): Delete function.
5927 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5928 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5929 * cppalloc.c: Delete file.
5930 * gen-protos.c: Don't provide xrealloc.
5932 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5933 xstrerror throughout.
5935 2000-02-26 Bruce Korb <bkorb@gnu.org>
5937 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5938 match for DOS headers, too.
5939 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5941 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5943 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5944 is right for most ELF targets.
5945 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5946 Let the default file use %U properly.
5947 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5950 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5953 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5955 * toplev.c (documented_lang_options): Correct spelling error.
5956 (decode_d_option, decode_f_option, main): Likewise.
5958 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5960 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5961 to tell assembler it is permitted to expand large constants.
5963 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5965 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5966 (aux_info_suffix): Use.
5967 (SAVE_SUFFIX): New macro.
5969 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5970 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5971 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5973 * invoke.texi (Running Protoize): Update documentation.
5975 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5977 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5979 2000-02-25 John Wehle (john@feith.com)
5981 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5983 2000-02-25 Anthony Green <green@cygnus.com>
5985 * toplev.c (rest_of_compilation): Rebuild jump labels if
5986 combine_instructions has created a new direct jump.
5987 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
5989 (combine_instructions): Call try_combine with new argument.
5990 Return non-null value when new direct jump instruction is created.
5991 * rtl.h: combine_instructions returns an int.
5993 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
5995 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
5996 jump when changing a computed jump into a jump to a known
5999 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
6001 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
6002 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
6004 * i386.md (define_expand "clrstrsi"): Fix typo.
6006 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
6008 * rtl.texi: Fix typo.
6010 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6012 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
6013 UNITS_PER_WORD. Change caller initial_elimination_offset.
6014 (rounded_frame_size): Take into account that argument pushed has
6015 changed. Fix TARGET_ALIGN_DOUBLE problem.
6017 2000-02-25 Geoff Keating <geoffk@cygnus.com>
6019 * haifa-sched.c (schedule_block): Explain the real reason
6020 we delete REG_SAVE_NOTEs on the first insn of a block.
6021 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
6023 2000-02-24 Mark Mitchell <mark@codesourcery.com>
6025 * input.h (push_srcloc): New function.
6026 (pop_srcloc): Likewise.
6027 * toplev.c (push_srcloc): Define it.
6028 (pop_srcloc): Likewise.
6030 2000-02-24 Richard Henderson <rth@cygnus.com>
6032 * flow.c (life_analysis): When collecting reg info, clear
6035 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6037 Fix bug exposed by reload.c no longer rounding the frame
6038 size to BIGGEST_ALIGNMENT:
6039 * sh.c (rounded_frame_size): New function.
6040 (sh_expand_prologue, sh_expand_epilogue): Use it.
6041 (initial_elimination_offset): Likewise.
6043 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6045 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
6046 * sh-protos.h (sh_need_epilogue): Declare.
6047 * sh.c (sh_need_epilogue_known): New static variable.
6048 (sh_need_epilogue): New function.
6049 (function_epilogue): Clear need_epilogue_known.
6050 * sh.md (return): Split into expander / insn pattern.
6051 Make the expander conditional on ! sh_need_epilogue ().
6053 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
6055 * machmode.h (get_mode_alignment): Declare.
6056 (GET_MODE_ALIGNMENT): Call it.
6057 * stor-layout.c (get_mode_alignment): New function. Make
6058 sure alignment is always power of 2.
6060 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6062 * i386.h: Remove useless definition of "I386" and misleading
6065 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6067 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
6068 under which TREE_PERMANENT will be set.
6069 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
6070 build1): Use TREE_SET_PERMANENT.
6071 * print-tree.c (print_node): Don't report value of
6072 TREE_PERMANENT if ggc_p is true.
6074 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
6075 decide whether to give a type a new alias set.
6076 * objc/objc-act.c (build_objc_string_object): Never copy the string.
6077 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
6078 of value of 'obstack'.
6081 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6083 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
6085 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6087 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
6088 * cpplib.c (cpp_get_token): Produce them.
6089 * cppexp.c (cpp_lex): Handle them.
6091 2000-02-23 Nick Clifton <nickc@cygnus.com>
6093 * config/arm/arm.c (arm_comp_type_attributes): Simply and
6094 comment tests on type attributes.
6096 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6098 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
6099 conform to documentation.
6100 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
6101 to check for special cases.
6102 * sh-protos.h (sh_loop_align): Declare.
6103 * sh.c (sh_loop_align): Define.
6105 2000-02-22 Andrew Haley <aph@cygnus.com>
6107 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
6108 (SIZE_TYPE): Is 32 bits when using -mgp32.
6109 (PTRDIFF_TYPE): Ditto.
6111 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6113 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
6115 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6117 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
6118 BIGGEST_FIELD_ALIGNMENT a constant.
6120 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6122 * dwarf2out.c (output_line_info): Put the marker for the end of
6123 the line number info at the actual end.
6124 (gen_struct_or_union_type_die): Use decl_function_context
6125 to check for local classes.
6126 * dwarfout.c (output_type): Likewise.
6128 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6130 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6131 for arguments with a mode, but no type.
6132 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6133 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6134 * pa/long_double.h: New file.
6135 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6136 both have 128bit wide long doubles.
6137 * configure: Rebuilt.
6139 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6141 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6143 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6144 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6145 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6147 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6149 * integrate.c (compare_blocks, find_block): Likewise.
6151 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6153 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6155 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6156 expand_asm_operands): Likewise.
6158 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6160 * predict.c (estimate_probability): Added the pointer heuristic to
6161 the collection of static branch predictors.
6163 2000-02-21 Catherine Moore <clm@cygnus.com>
6165 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6166 * invoke.texi (-mfix7000): Document.
6168 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6170 * diagnostic.c (init_output_buffer): Make it possible to output at
6171 least 32 characters if we're given a too long prefix.
6173 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6175 * varasm.c (initializer_constant_valid_p): Call
6176 lang_expand_constant to simplify the constant.
6178 2000-02-20 Bruce Korb <bkorb@gnu.org>
6180 * fixinc/inclhack.def(stdio_va_list):
6181 typedef needs to be disabled.
6182 * fixinc/inclhack.sh: regen
6183 * fixinc/fixincl.x: regen
6185 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6187 * print-rtl.c (print_rtx): Don't print addresses when
6188 flag_dump_unnumbered.
6190 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6192 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6194 (sparc_va_arg, sparc_flat_output_function_prologue,
6195 sparc_flat_output_function_epilogue): Cast value to unsigned in
6197 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6199 * sparc.md: Add default case in switch.
6201 2000-02-19 Richard Henderson <rth@cygnus.com>
6203 * c-typeck.c (add_pending_init): Don't abort for multiple
6204 fields at the same offset.
6205 (pending_init_member): Test the correct member.
6207 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6209 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6211 (start_catch_handler) : Same.
6213 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6215 * Makefile.in: Have flow.o depend on $(EXPR_H)
6217 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6219 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6220 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6221 (finish_decl): Remove -Wlarger-than code from here.
6222 * flags.h (id_clash_len): Now int.
6223 (larger_than_size): Now HOST_WIDE_INT.
6224 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6225 Clean up checking to see if in table.
6226 (make_bit_field_ref): Remove extra parm to bitsize_int.
6227 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6228 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6229 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6230 and for computing size of decl.
6231 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6232 Move -Wlarger-than code to here.
6233 (layout_record): Remove extra arg to bitsize_int.
6234 Set TYPE_BINFO_SIZE_UNIT.
6235 (layout_union): Remove extra arg to bitsize_int.
6236 Use proper type for size of QUAL_UNION.
6237 (layout_type): Remove extra arg to bitsize_int.
6238 * toplev.c (id_clash_len): Now int.
6239 (larger_than_size): Now HOST_WIDE_INT.
6240 (decode_W_option): Clean up id-clash and larger-than- cases.
6241 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6242 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6243 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6244 (struct tree_decl): New field size_unit.
6245 (size_int_wide): No HIGH operand; NUMBER is now signed.
6246 (size_int_2): Deleted.
6247 (size_int, bitsize_int): Don't use it and rework args.
6248 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6250 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6252 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6254 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6256 * invoke.texi (Warning Options): Add an explanation of why
6257 you might want the -Wfloat-equal flag.
6259 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6261 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6262 * cppinit.c (new_pending_define): Add cast to avoid warning.
6263 * expmed.c (extract_bit_field): Likewise.
6264 * flow.c (enum reorder_skip_type): New type.
6265 (skip_insns_between_blcok): New it.
6266 Rework to avoid warning about possibly undefined variable.
6267 * function.c (assign_parms): Make thisparm_boundary unsigned.
6268 * genrecog.c (write_switch): Cast XWINT result to int.
6269 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6270 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6271 one for MIPS and one for Alpha.
6272 (get_tag, copy_object): Add casts to avoid warnings.
6273 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6274 * reload.c (find_reloads): Make TYPE enum reload_type.
6275 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6276 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6277 * varasm.c (compare_constant_1): Add cast to avoid warning.
6278 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6280 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6281 Cast switch operand of size to int.
6282 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6283 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6286 2000-02-18 Nick Clifton <nickc@cygnus.com>
6288 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6289 anything for an alignment of zero.
6291 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6292 anything for an alignment of zero.
6294 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6296 * gcc.texi (Bug Reporting): Refer to bugs.html.
6297 (Bug Lists): Likewise.
6298 * system.h (GCCBUGURL): New preprocessor define.
6299 * rtl.c (fancy_abort): Use it.
6300 * gcc.c (main): Likewise.
6302 2000-02-18 Richard Henderson <rth@cygnus.com>
6304 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6305 (life_analysis_1): Subsume into ...
6306 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6307 Use update_life_info for the relaxation.
6308 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6309 entry and regs_live_at_setjmp.
6310 (set_noop_p): Simplify.
6311 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6312 (record_volatile_insns): Split into ...
6313 (delete_noop_moves): ... here,
6314 (notice_stack_pointer_modification): ... here,
6315 (insn_dead_p): ... and here.
6316 (propagate_block): Don't query INSN_VOLATILE.
6317 (mark_used_regs): Mind !PROP_REG_INFO.
6318 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6319 not in life_analysis.
6321 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6323 * loop.c (canonicalize_condition): New function,
6324 broken out of get_condition.
6325 (get_condition): Use it.
6326 * expr.h (canonicalize_condition): Prototype it.
6328 * tree.h (tree_int_cst_msb): Declare.
6329 * tree.c (tree_int_cst_msb): New function.
6331 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6333 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6336 * invoke.texi (-fmessage-length=n): Document.
6338 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6340 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6342 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6344 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6347 2000-02-17 Nick Clifton <nickc@cygnus.com>
6349 * config/arm/thumb.c: Replace includes of system headers with
6350 #include "system.h".
6352 2000-02-16 Richard Henderson <rth@cygnus.com>
6354 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6355 Add crtbeginS.o and crtendS.o.
6356 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6357 (ENDFILE_SPEC): Use crtendS.o.
6358 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6360 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6361 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6363 (__dso_handle): New variable.
6364 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6365 bias to __CTOR_END__.
6367 2000-02-16 Richard Henderson <rth@cygnus.com>
6369 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6371 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6373 * longlong.h (__clz_tab): Declare as static to match definition.
6375 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6376 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6377 (XREF_FILE_NAME): Define.
6379 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6380 (EH_FRAME_SECTION_ASM_OP): Define.
6381 (IDENT_ASM_OP): Define.
6382 (TEXT_SECTION_ASM_OP): Define.
6384 (CTORS_SECTION_ASM_OP): Define.
6385 (CTOR_SECTION_FUNCTION): Use it.
6386 (DTORS_SECTION_ASM_OP): Define.
6387 (DTOR_SECTION_FUNCTION): Use it.
6389 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6391 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6394 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6395 debug_bb_n): New functions.
6396 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6397 * basic-block.h: Prototype new functions.
6399 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6401 * configure.in: Add support for avr target.
6402 * configure: Rebuilt.
6404 * invoke.texi: Add AVR invocation docs.
6405 * install.texi: Add information about AVR.
6406 * md.texi: Add AVR constraint letters description.
6407 * extend.texi: Add description for AVR specific attributes.
6409 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6411 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6413 2000-02-16 Nick Clifton <nickc@cygnus.com>
6415 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6416 (make_insn_raw): Move RTL check here.
6418 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6420 * version.c: Include gansidecl.h and version.h.
6422 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6424 * configure.in (gcc_version): When setting, narrow search to
6425 lines containing `version_string'.
6427 * Makefile.in (mainversion): Likewise.
6428 (GCC_H): New variable.
6429 (gcc.h): Delete target.
6430 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6431 (version.o): Depend on version.h.
6432 (dbxout.o): Don't depend on gcc.h.
6434 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6435 Michael Meissner <meissner@cygnus.com>
6437 * md.texi (Simple Constraints): Add item about whitespace.
6438 * genoutput.c (strip_whitespace): New.
6439 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6440 strip_whitespace for constraints.
6441 Test pointer using NULL, not 0.
6443 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6445 * cpplib.c (do_line): Pedwarn for #line > 32767.
6447 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6449 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6451 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6452 to default cpp spec.
6453 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6454 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6457 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6460 2000-02-15 Denis Chertykov <denisc@overta.ru>
6462 * configure.in: Add support for avr target.
6464 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6466 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6467 (sh_addr_diff_vec_mode): Don't declare.
6468 * sh.c (sh_addr_diff_vec_mode): Delete.
6470 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6472 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6474 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6476 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6477 (smulsi3_highpart_i): Name.
6478 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6479 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6480 (smulsi3_highpart, umulsi3_highpart): Likewise.
6482 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6483 correctly independent of endianness.
6484 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6485 confuse the optimizers.
6486 (mulsidi3+1, umulsidi3+1): New define_split.
6488 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6490 * config/sh/sh.md: Guard insn splits against illegal registers.
6491 * config/sh/sh.h: Correct comment about macros.
6493 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6494 Andrew MacLeod <amacleod@cygnus.com>
6496 * Makefile.in (lcm.o): Depend on insn-attr.h.
6497 * basic-block.h (optimize_mode_switching): Declare.
6498 * lcm.c (tm_p.h, insn-attr.h): #include.
6499 (seginfo, bb_info): New structs.
6500 (antic, transp, comp, delete, insert) : New file-scope static variables.
6501 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6502 (reg_becomes_live, optimize_mode_switching): Likewise.
6503 * tm.texi: Add description of mode switching macros.
6504 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6506 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6507 (fldi_ok, fpscr_set_from_mem): New prototypes.
6508 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6509 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6510 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6511 (sh_flag_remove_dead_before_cse): Remove declaration.
6512 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6513 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6514 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6515 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6516 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6517 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6518 (fldi_ok): New function.
6519 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6520 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6521 (emit_df_insn): Likewise.
6522 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6523 (sh_flag_remove_dead_before_cse): Delete.
6524 (get_free_reg, fpscr_set_from_mem): New functions.
6525 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6526 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6528 2000-02-15 Loren Rittle <ljrittle@acm.org>
6530 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6532 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6534 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6535 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6537 * cccp.c: Include version.h and/or don't declare `version_string'.
6538 * collect2.c: Likewise.
6539 * alpha.c: Likewise.
6540 * arm/aof.h: Likewise.
6541 * arm/coff.h: Likewise.
6542 * arm/elf.h: Likewise.
6543 * arm/pe.h: Likewise.
6544 * arm/tcoff.h: Likewise.
6545 * arm/telf.h: Likewise.
6546 * arm/tpe.h: Likewise.
6547 * arm/vxarm.h: Likewise.
6548 * convex/convex.c: Likewise.
6549 * i386/dgux.c: Likewise.
6550 * i386/sun386.h: Likewise.
6551 * m88k/m88k.c: Likewise.
6552 * mcore/mcore-pe.h: Likewise.
6553 * mips/mips.h: Likewise.
6554 * romp/romp.h: Likewise.
6555 * sh/sh.c: Likewise.
6556 * cpphash.c: Likewise.
6557 * cppinit.c: Likewise.
6558 * dwarf2out.c: Likewise.
6559 * dwarfout.c: Likewise.
6562 * mips-tfile.c: Likewise.
6563 * protoize.c: Likewise.
6564 * toplev.c: Likewise.
6567 * version.c (version_string): Constify a char*.
6569 * version.h: New file.
6571 2000-02-14 Nick Clifton <nickc@cygnus.com>
6573 * configure.in: Add mcore-elf and mcore-pe targets.
6574 * configure: Regenerate.
6576 * NEWS: Add note that MCore port has been contributed.
6578 * invoke.texi: Document command line switches for MCore port.
6579 * install.texi: Add MCore to list of supported targets.
6581 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6583 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6584 then we will need to import the frame handling functions.
6585 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6586 to import the frames themselves.
6588 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6589 Jason Eckhardt <jle@cygnus.com>
6591 * basic_block.h: Added prototype for reorder_basic_blocks.
6592 * toplev.c: Changes to add -freorder-blocks and graph dump after
6593 block reordering is done.
6594 * flow.c (reorder_block_def): New structure for use during block
6596 (REORDER_BLOCK_*): New macros to access members of above structure.
6597 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6598 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6599 functions for block reordering.
6601 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6603 * gcc.texi (Passes): Fix typo.
6604 * md.texi (Standard Names): Ditto.
6605 * tm.texi (Storage Layout): Ditto.
6607 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6609 * cpplib.c (do_define): Only free the old definition if it
6612 2000-02-13 Neil Booth <NeilB@earthling.net>
6614 * cppfiles.c (read_and_prescan): When emitting deferred
6615 newlines, test speccase[] again instead of checking each
6616 possible whitespace character in turn. When we encounter \r,
6617 look behind for \n first, then ahead.
6619 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6621 * cse.c (cse_altered): New internal flag.
6622 (cse_insn): Set it if we changed an insn.
6623 (cse_main): Clear cse_altered before each basic block.
6624 Only garbage collect if cse_altered is true afterward.
6626 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6628 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6630 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6632 * combine.c (simplify_comparison): Fix typo.
6634 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6636 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6639 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6641 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6642 previously inserted node instead of root node. Caller changed.
6644 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6646 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6648 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6650 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6651 __dereg_frame_dtor): Add prototype argument.
6653 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6655 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6657 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6659 * gthr-vxworks.h (__gthread_once): Likewise.
6661 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6663 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6665 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6666 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6667 stack pointer in functions w/o saved registers, output LEAVE more often
6668 on TARGET_USE_LEAVE machines.
6670 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6672 * config/arm/arm.c (arm_init_cumulative_args); New function:
6673 Initlaise the CUMULATIE_ARGS strcuture for a function
6675 (arm_function_arg): New function: Determine where to place a
6676 function's argument. Also handles deciding the function's
6678 (current_file_function_operand): New function: Return true if
6679 the symbol is a function which has already been compiled.
6680 (arm_is_long_call_p): New function: Return true if the
6681 indicated function should be called via a long call.
6682 (arm_valid_type_attribute_p): New function: Return true if the
6683 attribute is a valid, arm specific, attribute.
6684 (arm_comp_type_attribute): New function: Return true if the
6685 two types have compatable, arm specific, attributes.
6687 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6689 (FUNCTION_ARG): Redefine to call arm_function_arg.
6690 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6692 (INIT_CUMULATIVE_ARGS): Redefine to call
6693 arm_init_cumulative_args.
6694 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6696 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6698 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6700 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6701 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6702 (COMP_TYPE_ATTRIBUTES): Define.
6704 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6705 if a long call is needed.
6706 (call_value): Call arm_is_long_call_p to decide if a long call
6708 (call_symbol): Call arm_is_long_call_p to decide if a long call
6711 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6713 2000-02-11 Denis Chertykov <denisc@overta.ru>
6715 * README.AVR: New file with information about the avr ports.
6716 * config/avr: New directory with avr port files.
6718 2000-02-11 Andreas Jaeger <aj@suse.de>
6720 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6722 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6724 * cpphash.c: Fix formatting, update commentary.
6725 (dump_definition): Take three separate arguments instead of a
6726 MACRODEF structure argument.
6727 * cpphash.h: Update prototype of dump_definition.
6728 * cppinit.c (cpp_finish): Update call of dump_definition.
6730 * cpplib.c (do_define): Always create new hash entry with
6731 T_MACRO type. Remove redundant check for redefinition of
6732 poisoned identifier. Update call of dump_definition.
6733 (do_undef): Don't call check_macro_name. Rename sym_length to
6735 (do_error, do_warning): Don't use copy_rest_of_line or
6737 (do_warning): Don't use pedwarn for the actual warning,
6738 only the notice about its not being in the standard. (Fixes
6739 bug with #warning in system headers.)
6740 (do_ident): Stricter argument checking - accept only a single
6741 string after #ident. Also, macro-expand the line.
6742 (do_xifdef): Use cpp_defined. De-obfuscate.
6744 (do_pragma): Split out specific pragma handling to separate
6745 functions. Use get_directive_token. Update commentary. Do
6746 not pass on #pragma once or #pragma poison to the front end.
6747 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6748 do_pragma_default): New.
6750 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6752 * jump.c (jump_optimize_1): The first operand in a relational
6754 * optabs.c (emit_conditional_move): Handle relationals which
6755 have a known true/false result.
6757 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6759 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6760 a RETURN insn into a block which already ends with a jump.
6762 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6764 * haifa-sched.c (BUF_LEN): Increase a lot.
6766 2000-02-11 Nick Clifton <nickc@cygnus.com>
6768 * configure.in: Add tm_p_file specification for thumb targets.
6769 * configure: Regenerate.
6771 * config/arm/thumb-protos.h: New file: Prototypes for exported
6772 functions defined in thumb.c.
6774 2000-02-11 Robert Lipe <robertl@sco.com>
6776 * Makefile.in (bootstrap-lean): Remove additional files.
6777 (bootstrap2-lean): Likewise.
6778 (VOL_FILES): List of files for above.
6780 2000-02-11 Nathan Sidwell <nathan@acm.org>
6782 * cpphash.c (special_symbol): Remove spurious argument to
6785 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6787 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6789 * configure: Rebuilt.
6791 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6793 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6795 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6797 * pa.c, pa.h: Remove trigraph sequences within comments.
6799 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6801 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6803 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6805 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6807 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6809 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6811 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6813 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6814 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6815 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6816 (ASM_FILE_END): Use c4x_file_end.
6817 * config/c4x/c4x.c (c4x_global_label): New function.
6818 (c4x_external_ref, c4x_file_end): Likewise.
6820 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6821 (c4x_external_ref, c4x_end_file): Likewise.
6823 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6825 * cppexp.c: Don't include cpphash.h.
6826 (parse_charconst, cpp_lex): Use cpp_defined.
6827 (cpp_lex): Use get_directive_token throughout. Remove
6828 unnecessary cases from switch. Move assertion-handling code
6830 (cpp_parse_expr): If we see '+' or '-', check the context to
6831 determine if they are unary or binary operators. Streamline
6832 the jumps a bit. Do not call skip_rest_of_line.
6834 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6835 static. Export get_directive_token. Update commentary.
6836 (cpp_defined): New function.
6837 (do_define): Remove reference to T_PCSTRING. Call
6838 free_definition to release memory for old definition, when
6840 (eval_if_expression): Set only_seen_white to 0 before calling
6841 cpp_parse_expr. Call skip_rest_of_line after it returns.
6842 (cpp_read_check_assertion): Don't preserve a pointer into the
6843 token buffer across a call to cpp_get_token.
6845 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6846 * cppfiles.c (redundant_include_p): Use cpp_defined.
6847 * cpphash.c (free_definition): New function.
6848 (delete_macro): Use it. Update commentary.
6849 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6851 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6852 from enum node_type. Prototype cpp_defined and get_directive_token.
6853 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6855 * fix-header.c (check_macro_names): Use cpp_defined.
6856 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6857 the options structure.
6859 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6861 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6863 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6865 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6866 rather than die->die_tag.
6868 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6870 * combine.c (make_extraction, force_to_mode): Avoid warning on
6871 mixed-signedness conditionals.
6872 (make_field_assignment, nonzero_bits): Likewise.
6873 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6874 (store_split_bit_field, extract_split_bit_field): Likewise.
6875 (extract_fixed_bit_field, store_bit_field,
6876 * expr.c: Change alignment to be unsigned everywhere.
6877 (move_by_pieces, store_constructor_field, store_constructor):
6878 Alignment parm is unsigned.
6879 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6880 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6881 (do_compare_rtx_and_jump): Likewise.
6882 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6883 Compare align with GET_MODE_ALIGNMENT.
6884 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6885 (get_inner_reference): Likewise.
6886 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6887 (expand_assignment): Local vars for alignment now unsigned.
6888 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6889 (do_compare_and_jump): Likewise.
6890 (store_field): Call new function expr_align.
6891 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6892 Alignment arg now unsigned.
6893 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6894 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6895 (extract_bit_field): Likewise.
6896 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6897 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6898 (get_best_mode): Alignment arg is unsigned.
6899 * rtl.h (move_by_pieces): Likewise.
6900 * store-layout.c (maximum_field_alignment, set_alignment):
6902 (layout_decl): Alignment arg is now unsigned.
6903 Remove unneeded casts.
6904 (layout_record, layout_union, layout_type): Remove unneeded casts.
6905 Local alignment variables now unsigned.
6906 (get_best_mode): Alignment arg now unsigned.
6907 * tree.c (expr_align): New function.
6908 * tree.h (expr_align): Likewise.
6909 (maximum_field_alignment, set_alignment): Now unsigned.
6910 (get_inner_reference): Alignment argument is now pointer to unsigned.
6911 * varasm.c (assemble_variable): Add cast to eliminate warning.
6913 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6915 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6916 then store directly into op0.
6918 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6919 the CALL_INSN, and emit the note immediately after it.
6921 2000-02-10 Nick Clifton <nickc@cygnus.com>
6923 * config/arm/thumb.md (epilogue): Include a (return) in the
6924 generated insn, and emit it using emit_jump_insn not
6927 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6929 * function.c (assign_temp): Change zero-sized arrays to size 1.
6930 * integrate.c (expand_inline_function): Do not update
6931 stack_alignment_needed
6932 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6933 add some sanity checking, remove optimization for function with
6936 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6938 * flow.c (mark_regs_live_at_end): Delete unused variables.
6940 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6942 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6943 in macro FRAME_GROWS_DOWNWARD.
6945 * stmt.c (expand_end_bindings): Delete unused variable.
6947 * unroll.c (iteration_info): Mark parameter `loop' with
6950 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6952 * fixinc/server.c (load_data): Return NULL if the marker line is
6954 (run_shell): If load_data returns NULL, retry the command once, in
6957 * configure: Rebuilt.
6959 2000-02-09 Bruce Korb <bkorb@gnu.org>
6961 * gcc/fixincludes: ** DELETED **
6962 * gcc/fixcpp: ** DELETED **
6963 * gcc/fixinc-nt.sed: ** DELETED **
6964 * gcc/just-fixinc: ** DELETED **
6965 * gcc/Makefile.in: Removed out-dated commentary
6966 * gcc/configure.in: Removed fast-fixincludes disablement.
6967 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6969 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6970 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6973 2000-02-09 Richard Henderson <rth@cygnus.com>
6975 * jump.c (delete_insn): Don't delete user labels at -O0.
6977 2000-02-09 Robert Lipe <robertl@sco.com>
6979 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6980 Don't link with HOST_LIBS.
6982 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6984 * configure.in: Correct --help text for --with-dwarf2.
6985 Put tm-dwarf2.h after other tm files, if it's requested.
6986 * configure: Regenerate.
6987 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
6990 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6992 * cpplib.h: Provide HASHNODE typedef and forward decl of
6993 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
6994 DEFINITION, struct hashnode, struct macrodef, struct
6995 definition, scan_decls prototype, default defn of
6996 INCLUDE_LEN_FUDGE moved elsewhere.
6998 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
6999 definition, and struct hashnode moved here. Remove the unused
7000 'predefined' field from struct definition. Replace the 'args'
7001 union with its sole member. All users updated (cpphash.c).
7002 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
7003 multiple include guard.
7005 * cpphash.c (hashf): Make static; use better algorithm; drop
7006 HASHSIZE parameter; return an unsigned int.
7007 (cpp_lookup): Drop HASH parameter. PFILE parameter is
7008 used. Calculate HASHSIZE modulus here.
7009 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
7011 (create_definition): Drop PREDEFINITION parameter.
7012 * cpplib.c (do_define): Don't calculate a hash value here.
7013 Don't pass (keyword == NULL) to create_definition.
7015 * scan.h: Prototype scan_decls here.
7016 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
7017 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
7018 callers of cpp_lookup and cpp_install updated.
7020 * cpphash.c (macarg): Hoist all the flag diddling out of the
7022 (macroexpand): ... and out of the loop that calls macarg.
7023 Skip over the initial paren before macro arguments with
7024 cpp_get_non_space_token; point may be some distance before
7025 that paren. Abort if it's not there.
7027 * cpplib.c (parse_clear_mark): Delete function.
7028 (parse_set_mark, parse_goto_mark): Make static.
7029 (ACTIVE_MARK_P): New macro.
7030 (skip_block_comment, skip_line_comment): Do not bump the line
7031 if ACTIVE_MARK_P is true.
7032 (cpp_pop_buffer): The buffer to be popped may not have an
7034 (cpp_get_token): When looking for the initial paren before
7035 macro arguments, only set a mark in a file buffer, Always
7036 return to that mark before proceeding to call macroexpand or
7037 return a NAME token.
7039 * cpplib.h: Remove prototypes of parse_set_mark,
7040 parse_clear_mark, parse_goto_mark.
7041 (struct cpp_options): Rename 'put_out_comments' to
7042 'discard_comments' and invert its sense.
7043 * cppinit.c, cpphash.c, cpplib.c: All users of
7044 put_out_comments changed to use discard_comments, with
7047 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7049 * function.c (thread_prologue_and_epilogue_insns): Don't delete
7050 the edge from a block that both jumps and falls through to the
7053 2000-02-09 Scott Bambrough <scottb@netwinder.org>
7055 * config/arm/arm.md (movsi): In PIC mode, make sure that a
7056 constant source address is legitimate.
7058 2000-02-09 Philip Blundell <pb@futuretv.com>
7060 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
7063 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
7065 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
7067 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7069 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
7070 ends with a newline and a NUL. Don't be so clever manipulating
7073 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
7075 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
7076 not to BIGGEST_ALIGNMENT.
7078 2000-02-08 Geoff Keating <geoffk@cygnus.com>
7080 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
7081 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
7082 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
7083 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
7084 * frame.c (execute_cfa_insn): Handle
7085 DW_CFA_GNU_negative_offset_extended.
7087 2000-02-08 Richard Henderson <rth@cygnus.com>
7089 * flow.c (tidy_fallthru_edges): Split out from ...
7090 (delete_unreachable_blocks): ... here.
7091 (find_basic_blocks): Use it.
7093 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7095 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
7097 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
7099 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
7100 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
7101 (fix-header.o): Don't depend on cpphash.h.
7103 * scan.c (hashstr): New function.
7104 * scan.h: Prototype it.
7105 * fix-header.c: Don't include cpphash.h. Use hashstr.
7106 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
7107 hashstr. Report hash table statistics. Add private
7108 definition of xrealloc.
7110 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7112 * i386.h (TARGET_SWITCHES): Fix typo in option name.
7114 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
7116 * function.c (thread_prologue_and_epilogue_insns): Don't replace
7117 jumps with returns unless they are jumps to the fallthru block.
7119 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7121 * i386.md (addqi3_cc): Fix contraints.
7123 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7125 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7127 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7129 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7130 carriage return after a macro name.
7132 2000-02-07 Fred Fish <fnf@be.com>
7134 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7135 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7137 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7139 * cppfiles.c (deps_output): Count spacers in deps_column.
7141 2000-02-07 Neil Booth <NeilB@earthling.net>
7143 * cppinit.c (initialize_dependency_output): If there is no
7144 suffix, don't try to look for known suffixes. Use strrchr.
7145 (cpp_start_read): Remove duplicate initialization.
7147 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7149 * calls.c (compute_argument_block_size): New argument
7150 preferred_stack_boundary.
7151 (expand_call): update cfun->preferred_stack_boundary, update call of
7152 compute_argument_block_size
7153 (emit_library_call): Increate cfun->preferred_stack_boundary
7154 to PREFERRED_STACK_BOUNDARY
7155 (emit_library_call_value): Likewise.
7156 * explow.c (allocate_dynamic_stack_spave): Likewise.
7157 * function.c (prepare_function_start): Set
7158 cfun->preferred_stack_boundary
7159 * function.h (struct function): Add preferred_stack_boundary field.
7160 * integrate.c (expand_inline_function): Update
7161 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7162 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7163 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7165 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7167 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7168 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7169 cpp_pedwarn, cpp_pedwarn_with_line,
7170 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7171 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7172 v_cpp_error_with_line, v_cpp_warning_with_line,
7173 cpp_message_from_errno, cpp_perror_with_name): Delete.
7175 * cpperror.c (cpp_print_containing_files): Take starting
7177 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7178 (v_cpp_message): Now called directly by all entry points.
7180 (cpp_pfatal_with_name, cpp_message): Delete.
7181 (cpp_notice_from_errno, cpp_ice): New functions.
7182 (cpp_notice): Is now for reporting error conditions, just
7183 without an associated file.
7184 (cpp_error, cpp_error_with_line): Don't do anything if
7185 opts->inhibit_errors is on.
7186 (cpp_pedwarn_with_file_and_line): Take column argument also.
7188 * cpplib.h: Update prototypes of exported functions.
7189 (struct cpp_options): Add inhibit_errors.
7191 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7192 non-error messages. Include intl.h.
7194 * cppinit.c, cppmain.c: Likewise. Also, use
7195 cpp_notice_from_errno instead of cpp_perror_with_name or
7196 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7198 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7199 report internal errors.
7201 * cpplib.c (do_define): Switch bcopy to memcpy.
7202 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7204 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7205 bail out early if we hit a line comment.
7207 2000-02-06 Richard Henderson <rth@cygnus.com>
7209 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7210 * basic-block.h: Declare them.
7211 * emit-rtl.h (active_insn_p): New.
7212 (next_active_insn, prev_active_insn): Use it.
7213 * rtl.h: Declare it.
7214 * function.c (emit_return_into_block): New.
7215 (thread_prologue_and_epilogue_insns): Insert return insns instead
7216 of epilogues when possible.
7217 * jump.c (jump_optimize_1): Remove code to insert a return insn
7218 on the fallthru to the exit block.
7220 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7221 and for non-empty stack frames.
7222 * i386.md (return): Expand to return-pop as needed.
7224 2000-02-06 Richard Henderson <rth@cygnus.com>
7226 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7227 constant to op1 for testing.
7229 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7231 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7232 (fixuns_truncqfqi2): Use it.
7234 2000-02-06 Richard Henderson <rth@cygnus.com>
7236 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7239 * i386.md (widening and peepholes): Mask the constant instead of
7242 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7244 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7245 input pointer before possibly branching off to the backslash
7247 * cpphash.c (macroexpand): Correctly delete \r escapes when
7248 stringifying parameters.
7249 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7250 if we can; bail out early if we hit a line comment.
7251 (handle_directive): Treat '# 123' in an .S file just like
7252 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7253 Return 1 for '# not_a_directive'.
7254 (get_directive_token): Pop macro buffers here, so that
7255 cpp_get_token can't sneakily move past a newline.
7257 (cpp_get_token): goto randomchar if handle_directive returns 0.
7259 * cppalloc.c: Update copyright.
7260 * cpplib.c: Merge all the static function prototypes into one
7262 * cpplib.h: Remove #if 0 block.
7264 * cpperror.c: Remove #ifdef EMACS block.
7265 * cppmain.c: Likewise.
7266 * cpphash.c: Remove #if 0 blocks.
7267 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7268 * cpplib.c: Remove #if 0 blocks and code referencing
7269 pcp_inside_if or for_lint. Remove duplicate error message.
7270 Fix error messages for #else after #else or #elif. Reformat.
7271 Remove archaic TODO list.
7272 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7274 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7276 * i386/osf1elf.h: Add missing backslash to multiline string.
7278 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7280 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7282 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7284 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7286 * c-common.c: Include expr.h.
7288 * c-pragma.c (mark_align_stack): Add prototype.
7290 * caller-save.c (add_stored_regs): Likewise.
7292 * combine.c (record_promoted_value): Likewise.
7294 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7297 * cppinit.c (new_pending_define): Likewise.
7299 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7301 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7302 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7303 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7304 class_scope_p): Likewise.
7306 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7307 dwarf2out_add_library_unit_info): Likewise.
7309 * ggc.h (ggc_page_print_statistics): Likewise.
7311 * haifa-sched.c (propagate_deps): Likewise.
7313 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7315 * rtl.h (set_stack_check_libfunc): Likewise.
7317 * toplev.h (set_fatal_function): Likewise.
7319 * toplev.c (set_fatal_function): Delete prototype.
7321 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7323 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7325 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7326 (FUNC_END): Likewise.
7328 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7330 * caller-save.c: Include tm_p.h.
7332 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7334 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7336 2000-02-04 Neil Booth <NeilB@earthling.net>
7338 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7341 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7343 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7344 * genflags.c: Use the max_operand_1 logic from genemit.c to
7345 calculate how many arguments gen_insn prototypes have. Remove
7346 NO_MD_PROTOTYPES ifdefs from the generated file.
7347 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7348 file. Cast gen_insn initializers to insn_gen_fn.
7349 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7350 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7352 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7354 * fixinc/Makefile.in (HDR): Add machname.h.
7357 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7359 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7360 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7361 (c4x_cpu_version): Ditto.
7362 * config/c4x/c4x-protos.h: ... here.
7364 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7366 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7367 gen_abstract_function on our context if we're a nested function.
7369 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7371 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7372 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7374 2000-02-04 Bruce Korb <bkorb@gnu.org>
7376 * fixinc/genfixes(machname.h):
7377 Move the functionality from gen-machine.h into this file.
7378 UNdef MN_NAME_PAT if there are no names to change.
7379 Also, be a little kinder when AutoGen is not present.
7381 * fixinc/Makefile.in(machname.h):
7382 Change the generation rule to use genfixes.
7384 * fixinc/fixfixes.c(machine_name):
7385 machine_name_fix's functionality now dependent upon whether
7386 MN_NAME_PAT is defined.
7388 * fixinc/fixtests.c(machine_name):
7391 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7394 * fixinc/fixlib.h(mn_get_regexps):
7397 * fixinc/gen-machine.h: DELETED
7399 2000-02-04 Jan Hubicka <jh@suse.cz>
7400 Richard Henderson <rth@cygnus.com>
7402 * i386.c (SAVE_REGS_FIRST): Remove.
7403 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7404 (ix86_compute_frame_size): Likewise.
7405 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7406 (ix86_emit_restore_regs): Remove.
7407 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7408 when a frame pointer is in use.
7409 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7410 instead of pop to restore a register when profitable; emit leave
7412 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7414 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7415 * i386.md (prologue_allocate_stack): Remove.
7416 (epilogue_deallocate_stack): Remove.
7417 (pro_epilogue_adjust_stack): New.
7419 2000-02-04 Richard Henderson <rth@cygnus.com>
7421 * function.c (diddle_return_value): Rework to use a callback function.
7422 Use current_function_return_rtx if it's been set up.
7423 (do_clobber_return_reg, clobber_return_register): New.
7424 (do_use_return_reg, use_return_register): New.
7425 (expand_function_end): Use them.
7426 * stmt.c (expand_null_return): Likewise.
7427 * function.h: Declare them.
7428 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7429 (mark_reg): Change arguments as appropriate for callback.
7430 * integrate.c (expand_inline_function): Revert 19 Jan change.
7432 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7434 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7435 (Misc): Say the scheduler, not the Haifa scheduler.
7437 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7439 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7440 when in_mem is set. Update all callers.
7442 2000-02-04 Richard Henderson <rth@cygnus.com>
7444 * i386/openbsd.h (INT_ASM_OP): Define.
7446 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7448 * tm.texi: Fix various typos.
7450 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7452 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7453 (MD_STARTFILE_PREFIX_1): New macro.
7455 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7457 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7458 destination when needed.
7459 (strmovsi, strsetsi): New expander.
7460 (strmovsi_1, strsetsi_1): New pattern.
7461 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7462 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7463 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7464 * invoke.texi (align-stringops, inline-all-stringops): Document.
7466 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7468 * i386/netbsd.h (INT_ASM_OP): Define.
7470 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7472 * cpplib.h (cpp_reader): Add new flag, no_directives.
7473 * cpphash.c (macarg): Set it.
7474 * cpplib.c (handle_directive): If no_directives is on and we
7475 find a directive, issue an error and discard the line.
7477 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7479 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7480 FP constants. Add ! TARGET_FPU check for FP constants.
7482 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7484 * flow.c (find_basic_blocks): Don't kill label_value_list
7486 (cleanup_cfg): Kill it here.
7488 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7490 * expr.c (store_field): Ensure ALIGN is no stricter than the
7493 2000-02-02 Richard Henderson <rth@cygnus.com>
7495 * jump.c (delete_insn): Partially revert 19 Jan change;
7496 don't convert unused code labels to notes at -O0.
7498 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7500 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7501 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7503 2000-02-01 Richard Henderson <rth@cygnus.com>
7505 * i386.c (general_no_elim_operand): New.
7506 (nonmemory_no_elim_operand): New.
7507 (ix86_expand_move): Copy eliminable operands before a push.
7508 * i386-protos.h: Declare new functions.
7509 * i386.h (CAN_ELIMINATE): Simplify.
7510 (PREDICATE_CODES): Update.
7511 * i386.md (push insns): Don't allow eliminable register operands.
7513 2000-02-01 Richard Henderson <rth@cygnus.com>
7515 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7516 replace BLKmode with DECL_RTL's mode.
7518 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7520 * frame.c (find_fde): Convert for loop to do-while so compiler
7521 sees it's always executed at least once.
7522 * libgcc2.c (BBINBUFSIZE): Kill.
7523 (__bb_init_prg): Use fgets.
7524 (__bb_exit_trace_func): Don't paste strings.
7525 * unroll.c (unroll_loop): Initialize unroll_type, not
7526 unroll_number, and tweak logic to match.
7528 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7530 (ix86_flags_dependant): Likewise. Disentangle control flow.
7531 (ix86_sched_reorder): Break guts out to
7532 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7533 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7536 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7537 use string concatenation. Don't save and restore esi.
7539 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7540 (machname.h): Remove script to separate file. Use two-step
7541 sequence so target is not created if script fails.
7542 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7543 identifiers are defined.
7544 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7545 an empty string, machine_name doesn't need to do anything at
7547 (is_cxx_header): Add more cases to regexp.
7548 * fixinc/fixlib.h: Update prototype.
7549 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7551 * fixinc/fixincl.c: Define NO_BOGOSITY.
7553 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7554 (hp_sysfile): Add missing comma.
7555 (math_exception): Put the wrapper ifdefs at the beginning and
7556 the end of the file.
7557 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7559 2000-02-01 Richard Henderson <rth@cygnus.com>
7561 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7562 Use CONST0_RTX. Update all callers.
7563 * sparc.h, sparc-protos.h: Update accordingly.
7564 * sparc.md (fp mov insns): Use fp_zero_operand directly
7567 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7569 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7572 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7574 * Makefile.in (specs.ready): New target.
7575 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7577 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7579 * fixinc.irix: Use unique filenames for writing into /tmp,
7580 * fixinc.ptx: Likewise.
7581 * fixinc.sco: Likewise.
7582 * fixinc.svr4: Likewise.
7583 * fixinc.winnt: Likewise.
7585 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7587 * tsystem.h: New file.
7589 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7590 s-crtS): Depend on tsystem.h.
7592 * crtstuff.c: Include tsystem.h.
7593 * frame.c: Likewise.
7594 * libgcc2.c: Likewise.
7596 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7598 * builtins.c (expand_builtin_memset): Expand for variable sized
7601 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7603 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7606 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7608 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7610 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7612 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7614 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7615 case 3->2 combining (combining with splitting) in which 2 is CC0
7616 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7617 checked at the begining of the function with the aid of calling
7618 function 'can_combine_p'.
7620 2000-01-31 Dave Brolley <brolley@redhat.com>
7622 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7624 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7626 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7629 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7631 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7633 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7636 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7638 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7639 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7640 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7641 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7642 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7643 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7644 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7645 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7646 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7647 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7649 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7650 Add %(cpp_cpu) to CPP_SPEC.
7652 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7653 Add %(cc1_cpu) to CC1_SPEC.
7655 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7657 * c-decl.c (c_decode_option): Accept optional numeric argument to
7658 -Wformat and set warn_format.
7659 * c-common.c: Don't emit warning about non-constant printf format
7660 string unless warn_format > 1.
7662 2000-01-30 Richard Henderson <rth@cygnus.com>
7664 * alpha.md (return_internal): Allow after reload only.
7666 2000-01-30 Richard Henderson <rth@cygnus.com>
7668 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7669 local frame size is zero.
7671 2000-01-30 Richard Henderson <rth@cygnus.com>
7673 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7674 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7675 * alpha.md (return): Turn into an expander.
7676 (return_internal): Don't use $26.
7677 (epilogue): Emit the return insn.
7679 2000-01-30 Richard Henderson <rth@cygnus.com>
7681 * alpha.md (negtf2, abstf2): Fix word order thinko.
7683 (trunctfsf2): Avoid intermediate rounding errors.
7685 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7687 * cppfiles.c (find_position): Drop 'colp' argument, return the
7689 (read_and_prescan): Adjust to match. Don't ever manipulate
7690 line or line_base except via find_position.
7692 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7694 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7695 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7698 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7700 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7701 just print "<command line>". If 'filename' is null or an
7702 empty string, print "<stdin>" for the filename.
7703 * cpplib.c (do_define): Don't print the 'location of the
7704 previous definition' message if we're still parsing the
7706 (cpp_pedwarn_with_file_and_line): Always call
7707 cpp_file_line_for_message.
7709 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7711 * flow.c (mark_regs_live_at_end): Fix typo.
7713 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7715 * c-common.c: Adjust variable names, comments, help strings to c99.
7716 * c-lex.c: Likewise.
7717 * c-parse.y: Likewise.
7718 * c-tree.h: Likewise.
7720 * cpplib.h: Likewise.
7721 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7722 * cppinit.c: Likewise.
7724 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7726 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7727 * c4x.c: Define the optab rtx values.
7728 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7729 (c4x_emit_libcall): Use new optab rtx values.
7730 (c4x_emit_libcall3): Likewise.
7731 (c4x_emit_libcall_mulhi): Likewise.
7732 * c4x-protos.h: Add prototypes for optab rtx values and change
7733 prototypes for above c4x_emit_libcall functions.
7735 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7737 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7739 (c4x_function_prologue): Use regnames intead of float_reg_names when
7741 (c4x_function_epilogue): Likewise.
7742 (c4x_print_operand): Likewise.
7743 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7744 * c4x.md (set_high): Disable for TARGET_TI.
7746 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7748 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7749 of framepointer + constant to ADDR_REGS class.
7750 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7751 * c4x.c (std_or_reg_operand): New function.
7752 * c4x-protos.h (std_or_reg_operand): Prototype it.
7754 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7756 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7757 object names as libgcc2.c.
7758 * libgcc.S: Use newly defined names.
7760 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7761 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7763 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7764 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7765 (FLOW_LOOP_LAST_BLOCK): Likewise.
7767 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7769 * basic-block.h (struct loop): New fields 'first' and 'last'.
7770 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7771 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7772 and loop->last to check for NOTE_INSN_LOOP_END.
7774 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7776 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7777 of the loop descriptor rather than HEADER and LATCH. Also added
7778 missing break statements as well making some coding style modifications
7779 as suggested by Michael Hayes.
7781 2000-01-28 Richard Henderson <rth@cygnus.com>
7783 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7784 Break out that code ...
7785 (cleanup_cfg): ... here.
7786 (commit_one_edge_insertion): Detect a return instruction being
7787 emitted to an edge. Emit a barrier following; clear fallthru.
7788 (commit_edge_insertions): Verify CFG consistency.
7789 * function.c (expand_function_start): Kill unused variable.
7790 (expand_function_end): Likewise.
7791 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7792 to insert the epilogue.
7794 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7795 (delete_null_pointer_checks): Likewise.
7796 * output.h: Likewise.
7797 * reg-stack.c (reg_to_stack): Likewise.
7798 * toplev.c (rest_of_compilation): Likewise. Run
7799 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7801 2000-01-28 Richard Henderson <rth@cygnus.com>
7803 * Makefile.in (flow.o): Revert 24 Jan change.
7804 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7805 FUNCTION_VALUE result to DECL_RESULT's mode.
7807 * haifa-sched.c (schedule_insns): Don't recompute reg info
7810 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7812 * configure.in: Make --enable-cpplib the default.
7813 * configure: Regenerate.
7814 * gcc.dg/990119-1.c: No longer expected to fail.
7816 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7818 * jump.c (jump_optimize_1): Delete an optimization that is also done
7819 by merge_blocks in flow.
7821 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7823 * diagnostic.c (build_message_string, output_printf,
7824 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7825 (build_location_prefix): Fix non-literal format string.
7827 2000-01-27 Richard Henderson <rth@cygnus.com>
7829 * alpha.md (trunctfsf2): New.
7831 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7833 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7835 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7837 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7839 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7841 (skip_comment) ... here. Permit C++ comments in system
7842 headers always. Warn about C++ comments in user code under
7843 -std=gnu89 -pedantic.
7844 (copy_comment): Use skip_comment.
7845 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7847 (consider_directive_while_skipping, do_else, do_endif): Call
7848 validate_else unconditionally.
7849 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7850 text after the conditional in a system header.
7851 * cpplib.h (struct cpp_buffer): Add flag
7852 warned_cplusplus_comments.
7854 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7856 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7857 Use unshare_all_rtl_1.
7858 (unshare_all_rtl_again): New function.
7859 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7861 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7862 rather than resetting the 'used' flags ourself.
7864 * toplev.c (rest_of_compilation): Add current_function_decl
7865 to the unshare_all_rtl call.
7866 * tree.h: Prototype unshare_all_rtl.
7867 * rtl.h: Prototype unshare_all_rtl_again here.
7869 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7871 * genoutput.c (output_prologue): Include ggc.h in generated
7873 * Makefile.in (insn-output.o): Depends on ggc.h.
7875 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7876 Hans-Peter Nilsson <hp@bitrange.com>
7878 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7879 Remove redundant include of xm-ns32k.h.
7880 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7881 Remove redundant include of xm-ns32k.h.
7882 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7883 Remove redundant include of xm-ns32k.h.
7884 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7886 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7887 (TARGET_SWITCHES): Add documentation strings.
7888 (DWARF_FRAME_REGNUM): Override default definition.
7889 (REG_CLASS_CONTENTS): Add comments.
7890 (SUBSET_P): Format to reduce line length.
7891 (SMALL_REGISTER_CLASSES): Make a run time option.
7892 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7893 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7894 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7895 (regclass_map): fix typo in comment.
7896 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7897 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7898 (trace, reg_or_mem_operand): Delete, unused function.
7899 (calc_address_cost): Small offsets are cheaper than large ones.
7900 (expand_block_move): Generate more efficient code when bytes is a
7901 known at compile time.
7902 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7903 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7904 instead of reg_or_mem_operand.
7906 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7907 not general_operand. Similarly use "=rm" or stricter, not "=g".
7908 For input operands, use stricter constraints than "g" if not
7909 general_operand. Similarly use stricter predicate than
7910 "general_operand" when stricter constraints than "g" are present,
7911 except for matching constraints.
7912 (movstrsi): Use "memory_operand" for operands 0 and 1.
7913 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7914 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7915 not reg_or_mem_operand.
7916 (udivmoddisi4): Ditto.
7917 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7918 Use nonimmediate_operand for operand 3, not register_operand.
7919 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7922 2000-01-27 Fred Fish <fnf@be.com>
7924 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7925 * gthr-single.h: Likewise.
7926 * gthr-solaris.h: Likewise.
7927 * gthr-vxworks.h: Likewise.
7928 * gthr-win32.h: Likewise.
7931 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7933 * cppinit.c: Add " (cpplib)" to end of string printed by
7936 2000-01-27 Richard Henderson <rth@cygnus.com>
7938 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7939 testing for a signed comparison.
7940 (alpha_emit_floatuns): New.
7941 * alpha-protos.h: Declare it.
7942 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7943 (extendsfdf2): Tidy.
7945 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7947 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7948 no -g option specifying debugging format, default to -gstabs+.
7950 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7952 * calls.c (special_function_p): New argument fork_or_exec.
7953 (expand_call): When profile_arc_flag is set and the function
7954 is in the fork_or_exec group, call __bb_fork_func first.
7955 * libgcc2.c, _bb module (__bb_fork_func): New function.
7956 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7958 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7959 * tree.h (special_function_p): Update prototype.
7961 2000-01-26 Richard Henderson <rth@cygnus.com>
7963 * alpha.c (alpha_split_tfmode_pair): New.
7964 * alpha-protos.h: Declare it.
7965 * alpha.md (abstf2, negtf2): New.
7966 (movtf insn): Add input G constraint.
7967 (movtf splitter): Use alpha_split_tfmode_pair.
7969 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7971 * i386/cygwin.h: PROTO -> PARAMS.
7973 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7975 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7976 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7977 using _Qp_cmp/_Q_cmp and testing the return value.
7978 (print_operand): Call reverse_condition_maybe_unordered if
7979 we are handling CCFPmode or CCFPEmode.
7980 Handle ORDERED, UN* and LTGT comparisons.
7981 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7982 if not TARGET_HARD_QUAD.
7983 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7984 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7985 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7986 Adjust gen_b* calls so that they reflect return comparison of
7987 sparc_emit_float_lib_cmp.
7989 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7991 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
7992 incoming operands array is large enough for one more operand.
7993 (alpha_emit_xfloating_arith): Likewise.
7995 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7997 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
7998 file with one line and no trailing newline.
7999 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
8000 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
8001 checking if the match is on the line.
8002 * fixinc/gnu-regex.c: Provide regerror not __regerror.
8004 2000-01-25 Richard Henderson <rth@cygnus.com>
8006 * sparc.c (output_cbranch): Fix accidental squashing of the
8007 fp branch pre-delay nop.
8009 2000-01-25 Richard Henderson <rth@cygnus.com>
8011 * tree.def (UNNE_EXPR): Remove.
8012 * c-typeck.c (build_binary_op): Don't handle it.
8013 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
8015 * rtl.def (UNNE): Remove.
8017 * jump.c (reverse_condition): Update accordingly.
8018 (swap_condition): Likewise.
8019 (comparison_dominates_p): Handle unordered comparisons.
8020 (reverse_condition_maybe_unordered): New.
8021 * rtl.h (reverse_condition_maybe_unordered): Declare.
8023 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
8024 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
8025 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
8026 * sparc.md (bltgt): New.
8028 2000-01-25 Nick Clifton <nickc@redhat.com>
8030 * emit-rtl.c (emit_insn): Only check machine class insns for
8031 improper emission of a RETURN.
8033 2000-01-25 Richard Henderson <rth@cygnus.com>
8035 * Makefile.in (flow.o): Depend on $(EXPR_H).
8036 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
8037 duplicate the structure of diddle_return_value for keeping regs live.
8039 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8041 * loop.c (current_loop_info): Delete.
8042 (consec_sets_invariant_p): Add loop argument, update callers.
8043 (get_condition_for_loop): Likewise.
8044 (count_nonfixed_reads, update_giv_derive): Likewise.
8045 (simplify_giv_expr, general_induction_var): Likewise.
8046 (consec_sets_giv, recombine_givs): Likewise.
8047 (move_movables): Delete loop_start and loop_end arguments,
8048 add loop argument, and update callers.
8049 (find_mem_givs, check_final_value): Likewise.
8050 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
8051 (loop_invariant_p): Rename from invariant_p, add loop argument, and
8053 (basic_induction_var): Add loop argument, delete loop_level argument,
8055 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
8056 add loop argument, and update callers.
8057 (find_splittable_regs, find_splittable_givs): Likewise.
8058 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
8059 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
8060 (biv_total_increment): Delete loop_start and loop_end arguments;
8062 (precondition_loop_p): Delete loop_start and loop_info arguments;
8064 * loop.h (get_condition_for_loop): Add loop argument.
8065 (biv_total_increment): Delete loop_start and loop_end arguments.
8066 (precondition_loop_p): Delete loop_start and loop_info arguments;
8068 (final_biv_value): Delete loop_start and loop_end arguments;
8070 (final_giv_value, back_branch_in_range_p): Likewise.
8072 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8074 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
8076 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8078 * Makefile.in (c-gperf.h) : Change the "See" pointer to
8079 point to the new "generated_files" doc.
8081 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8083 * config/fp-bit.c (_unord_f2): Fix typo.
8085 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8087 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
8088 c-typeck.c, objc/objc-act.c: Remove all references to obstack
8089 functions obsoleted by GC, such as push_obstacks_nochange,
8090 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
8091 and code which existed only to decide whether or not to call
8092 them. Remove now-unused NESTED argument from start_function;
8093 all callers changed. Do not change behavior based on ggc_p.
8094 The use of the ixp_obstack in c-iterate.c and the util_obstack
8095 in objc/objc-act.c remain; these are not obsoleted by garbage
8097 * c-tree.h: Update prototype for start_function.
8099 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
8101 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8103 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
8106 2000-01-25 Richard Henderson <rth@cygnus.com>
8108 * sparc-protos.h (select_cc_mode): Declare.
8109 * sparc.c (select_cc_mode): New. Handle unordered compares.
8110 (output_cbranch): Always reverse via code change. Handle
8111 unordered compares. Factor tests and string updates.
8112 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
8113 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
8114 * sparc.md (bunordered, bordered): New.
8115 (bungt, bunlt, buneq, bunge, bunle): New.
8117 2000-01-25 Richard Henderson <rth@cygnus.com>
8119 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8120 * ggc-common.c (ggc_add_rtx_varray_root): New.
8121 (ggc_mark_rtx_varray): New.
8122 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8123 functions down below ggc_mark_foo.
8124 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8126 2000-01-25 Richard Henderson <rth@cygnus.com>
8128 * alpha.c (secondary_reload_class): Don't allocate a secondary
8129 for integral mode memories into FLOAT_REGS. Rearrange the more
8130 complicated memory expression inward.
8132 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8134 * inclhack.def: Fixes to play nicer with FreeBSD, and
8135 corrections to comments.
8136 (cxx_unready): Add select expression.
8137 (irix_sockaddr): Add bypass expression.
8138 (machine_ansi_h_va_list): New fix.
8139 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8140 Split out addition of "#include <stdarg.h>" to...
8141 (stdio_stdarg_h): ... here.
8142 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8143 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8144 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8146 (ultrix_ifdef): Tighten up select expression.
8148 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8149 re_ct and max_mach to avoid use of shell. Make printed names
8150 match names in inclhack.def. Use static copyright date.
8151 Don't count c_test and test expressions as requiring regex_t
8152 slots. Add some commentary.
8153 * inclhack.tpl: Do not include the 'This script contains N
8154 fixup scripts' line if PROGRAM is defined. Use static
8157 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8159 * dwarf2out.c: include "varray.h", not dyn-string.h.
8160 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8161 (addr_const_to_string, addr_to_string): Lose.
8162 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8163 (struct dw_val_struct): val_addr is now an rtx.
8164 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8165 (used_rtx_varray): New varray.
8166 (dwarf2out_init): Initialize it.
8168 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8170 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8171 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8172 * Makefile.in (dwarf2out.o): Update dependencies.
8174 2000-01-24 Richard Henderson <rth@cygnus.com>
8176 * i386.c (i386_dwarf_output_addr_const): New.
8177 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8179 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8181 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8182 * i386.c (i386_simplify_dwarf_addr): New.
8183 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8185 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8187 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8188 TYPE_STUB_DECL is NULL.
8190 2000-01-24 Richard Henderson <rth@cygnus.com>
8192 * builtins.c (expand_tree_builtin): Move ...
8193 * c-common.c (expand_tree_builtin): ... here.
8195 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8197 * loop.h (LOOP_INFO): New accessor macro.
8198 * basic-block.h (struct loop): Rename field `info' to `aux'.
8199 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8200 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8201 * unroll.c (loop_iterations, unroll_loop): Likewise.
8203 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8205 * config/i386/t-cygwin: Accomodate new winsup directory layout
8206 when searching for include files.
8208 2000-01-24 Richard Henderson <rth@cygnus.com>
8210 * rtl.def: Add unordered fp comparisions.
8211 * tree.def: Likewise.
8212 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8214 * builtins.c (expand_tree_builtin): New function.
8215 * c-typeck.c (build_function_call): Use it.
8216 (build_binary_op): Support unordered compares.
8217 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8219 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8220 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8221 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8222 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8223 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8225 (swap_condition): Handle unordered compares.
8226 (thread_jumps): Check can_reverse before reversing.
8227 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8230 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8231 setcc is present before acking for cmp_optab. Update all callers.
8232 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8233 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8234 * expr.c (expand_expr): Likewise. Support unordered compares.
8235 (do_jump, do_store_flag): Likewise.
8236 * expr.h (enum libfunc_index): Add unordered compares.
8238 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8239 (DPBIT_FUNCS): Add _unord_df.
8240 * config/fp-bit.c (_unord_f2): New.
8241 * fp-test.c (main): Try unordered compare builtins.
8243 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8244 * alpha.c (alpha_comparison_operator): Check mode properly.
8245 (alpha_swapped_comparison_operator): Likewise.
8246 (signed_comparison_operator): Likewise.
8247 (alpha_fp_comparison_operator): New.
8248 (alpha_emit_conditional_branch): Handle unordered compares.
8249 * alpha.h (PREDICATE_CODES): Update.
8250 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8251 (bunordered, bordered): New.
8253 2000-01-24 Richard Henderson <rth@cygnus.com>
8255 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8256 * alpha.md (movtf): New expander, insn, and splitter.
8258 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8260 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8263 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8265 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8266 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8267 REG_ALLOC_ORDER): Add frame pointer
8268 (FRAME_POINTER_REGNUM): Set to 20
8269 (HARD_FRAME_POINTER_REGNUM): New macro.
8270 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8271 to HARD_FRAME_POINTER.
8272 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8273 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8274 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8275 (HI_REGISTER_NAMES): Add "frame".
8276 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8277 (debug_reg): Handle FRAME_POINTER_REGNUM.
8278 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8279 GENERAL_REGS and INDEX_REGS.
8280 * i386.c (SAVED_REGS_FIRST): new macro.
8281 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8282 (ix86_decompose_address, memory_address_length): Likewise.
8283 (regclass_map): Add frame pointer.
8284 (call_insn_operand): Handle frame_pointer_rtx.
8285 (reg_no_sp_operand): Likewise.
8286 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8287 (print_operand, legitimize_pic_address): Fix formating.
8288 (ix86_compute_frame_size): Make static, update prototype, new
8289 parameters padding1, padding2, use ix86_nsaved_regs, use
8290 stack_alignment_needed.
8291 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8292 to HARD_FRAME_POINTER_REGNUM conversions.
8293 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8294 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8295 (print_reg): Abort on FRAME_POINTER_REGNUM
8297 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8299 * i386.h (PREDICATE_CODES): Add aligned_operand.
8300 * i386.c (aligned_operand): New function.
8301 (ix86_aligned_p): Kill.
8302 * i386.md (movhi_1): Emit mov for aligned operands.
8303 (promoting peep2s): Use aligned_operand.
8305 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8307 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8308 expression to allow underscores in macro names.
8309 (fix_char_macro_defines): Increment scanning pointer.
8311 2000-01-23 Richard Henderson <rth@cygnus.com>
8313 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8314 * alpha/osf5.h: New file.
8315 * configure.in (alpha-*-osf5): Add it to tm_file.
8317 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8319 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8320 (alpha_emit_xfloating_cvt, function_arg): Declare.
8321 * alpha.c (alpha_emit_conditional_branch): Call
8322 alpha_emit_xfloating_compare for TFmode compares.
8323 (alpha_lookup_xfloating_lib_func): New.
8324 (alpha_compute_xfloating_mode_arg): New.
8325 (alpha_emit_xfloating_libcall): New.
8326 (alpha_emit_xfloating_arith): New.
8327 (alpha_emit_xfloating_compare): New.
8328 (alpha_emit_xfloating_cvt): New.
8329 (print_operand): Add default abort case.
8330 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8331 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8332 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8333 (RETURN_IN_MEMORY): True for TF/TCmode.
8334 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8335 (FUNCTION_ARG): Move to function_arg.
8336 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8337 (ASM_OUTPUT_LONG_DOUBLE): New.
8338 (ASM_OUTPUT_DOUBLE): Always output bits.
8339 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8340 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8341 (extenddftf2, trunctfdf2): New.
8343 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8345 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8346 * config/sparc/sol2.h: ... here.
8348 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8350 * basic-block.h (struct loops): New field `levels'.
8351 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8352 (flow_loop_level_compute): Initialise level to 1.
8353 (flow_loops_find): Set loops->levels.
8354 (flow_loops_dump): Print loops->levels.
8356 2000-01-23 Richard Henderson <rth@cygnus.com>
8358 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8359 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8361 2000-01-23 Richard Henderson <rth@cygnus.com>
8363 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8364 * i386.h (DBX_REGISTER_NUMBER): Use them.
8365 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8366 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8367 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8368 * i386/sequent.h: Kill incorrect comment.
8370 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8372 * ggc-page.c (struct page_entry): Make `context_depth' an
8374 (struct globals): Likewise.
8376 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8378 * loop.c (check_dbra_loop): When checking a loop for
8379 reversability, check the source of any stores to ensure
8380 they don't depend on an initial value.
8382 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8384 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8386 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8388 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8389 'pz_scan' into scope of entire function. Only affects
8390 compiles with -DDEBUG.
8392 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8394 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8395 section naming to that prior to 2000-01-07 patch.
8396 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8397 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8398 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8399 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8400 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8402 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8404 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8407 2000-01-21 Jim Wilson <wilson@cygnus.com>
8409 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8410 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8412 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8414 * cpphash.c (change_newlines): Delete function.
8415 (struct argdata): Delete 'newlines' and 'use_count' fields.
8416 (macroexpand): Remove code referencing those fields.
8418 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8420 * loop.c (loops_info): New variable.
8421 (loop_optimize): Allocate loops->array and free it on exit.
8422 Allocate memory for loops_info and assign to each loop,
8424 (find_and_verify_loops): Do not allocate loops->array.
8426 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8428 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8430 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8432 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8433 pseudos if expanded after first flow.
8434 (movdi_pic_label_ref): Likewise.
8436 2000-01-20 Richard Henderson <rth@cygnus.com>
8438 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8440 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8442 * Makefile.in (fixinc.sh): Depend on specs.
8443 * fixinc/Makefile.in: Add rule to create machname.h.
8444 (fixlib.o): Depend on machname.h.
8445 * fixinc/fixtests.c (machine_name): New test.
8446 * fixinc/fixfixes.c (machine_name): New fix.
8447 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8448 the machine_name test and fix.
8449 * fixinc/fixlib.h: Prototype it.
8450 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8451 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8453 * gcc.c (do_spec_1) [case P]: Take care not to create
8454 identifiers with three leading or trailing underscores.
8456 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8457 (fixincl): Don't specify libraries twice on link line.
8458 (gnu-regex.o): Remove special rule.
8459 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8460 defined by config.h. Do not define _REGEX_RE_COMP.
8461 (regcomp): Allocate and initialize a fastmap.
8462 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8464 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8466 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8468 2000-01-19 Richard Henderson <rth@cygnus.com>
8470 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8471 arguments with BB. Update all callers. Tidy line wrapping.
8473 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8475 * emit-rtl.c (try_split): Return last_insn if we split the
8478 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8480 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8481 (ix86_initial_elimination_offset): Declare.
8482 * i386.c (ix86_nsaved_regs): Break out from ...
8483 (ix86_can_use_return_insn_p): ... here.
8484 (ix86_emit_save_regs): Break out from ...
8485 (ix86_expand_prologue): ... here.
8486 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8488 (ix86_expand_epilogue): ... here.
8489 (ix86_compute_frame_size): Make static, add prototype.
8490 (ix86_initial_elimination_offset): Break out from ...
8491 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8493 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8495 * recog.h (OUT_FCN): Delete.
8497 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8499 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8501 * cppalloc.c: PROTO -> PARAMS.
8502 * cpperror.c: Likewise.
8503 * cppfiles.c: Likewise.
8504 * cpplib.c: Likewise.
8505 * cpplib.h: Likewise.
8507 * config/arm/arm-protos.h: PROTO -> PARAMS.
8508 * config/arm/arm.c: Likewise.
8509 * config/c4x/c4x.c: Likewise.
8510 * config/fr30/fr30-protos.h: Likewise.
8511 * config/nextstep.c: Likewise.
8512 * config/pa/pa.c: Likewise.
8513 * config/pj/pj.c: Likewise.
8514 * config/rs6000/rs6000.c: Likewise.
8515 * config/v850/v850-protos.h: Likewise.
8516 * config/v850/v850.c: Likewise.
8518 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8520 * i370-protos.h: New file.
8522 * i370.c: Include tm_p.h. Fix compile time warnings.
8524 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8527 * i370.md: Likewise.
8529 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8531 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8532 (target_isinf, target_isnan, eisnan): Mark parameter with
8534 (eiisinf): Wrap in INFINITY.
8535 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8536 (ibmtoe): Remove unused variable `rndsav'.
8538 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8540 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8541 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8543 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8545 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8546 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8547 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8549 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8550 Recognize Emacs mode markers also.
8551 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8552 C++ comments in C++ headers. Call is_cxx_header only if
8555 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8557 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8558 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8559 ... these, which use the new C fixes.
8560 (math_exception): Escape literal '+' in bypass expression.
8562 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8565 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8567 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8570 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8572 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8573 prior to calling scan_loop.
8575 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8577 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8578 (split_branches, calc_live_regs): Likewise.
8580 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8582 * sh.md (fpu_single, fp_mode): New attributes.
8584 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8586 * loop.c (current_loop_info): Renamed from loop_info_data
8587 and changed to a pointer.
8588 (loop_optimize): Allocate loop_info structure for each loop
8589 and initialise to zero.
8590 (scan_loop): Set current_loop_info.
8592 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8595 2000-01-19 Richard Henderson <rth@cygnus.com>
8597 * stupid.c: Die die die.
8598 * Makefile.in (OBJS): Remove stupid.o.
8599 (stupid.o): Likewise.
8601 * except.c (emit_eh_context): Don't emit USEs for stupid.
8602 * explow.c (probe_stack_range): Likewise.
8603 * flags.h (obey_regdecls): Remove.
8604 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8605 when not optimizing.
8606 (life_analysis): Limit data collection when not optimizing.
8607 (mark_regs_live_at_end): Always mark the return value registers.
8608 (mark_used_regs): Remove dummy RETURN case.
8609 (print_rtl_with_bb): Don't consult obey_regdecls.
8610 * function.c (use_variable, use_variable_after): Remove.
8611 (assign_parms): Consult optimize not obey_regdecls.
8612 (expand_function_start): Don't emit USEs for stupid.
8613 (expand_function_end): Likewise.
8614 * global.c (build_insn_chain): Export.
8615 * integrate.c (expand_inline_function): Kill return-value USE
8617 * jump.c (jump_optimize_1): Do simple jump optimizations and
8618 dead code elimination.
8619 (calculate_can_reach_end): Remove check_deleted argument.
8620 (delete_insn): Patch out insns even when not optimizing.
8621 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8622 * rtl.h (use_variable, use_variable_after): Remove declarations.
8623 (build_insn_chain): Declare.
8624 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8625 (expand_end_bindings): Likewise.
8626 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8627 * toplev.c (obey_regdecls): Remove.
8628 (rest_of_compilation): Don't set it. Kill stupid in favour of
8629 flow1, local-alloc, and reload.
8630 (main): Don't set obey_regdecls.
8632 * config/nextstep.c (handle_pragma): Likewise.
8634 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8636 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8638 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8640 * alpha-protos.h: PROTO -> PARAMS.
8641 * alpha.c: Likewise.
8643 * h8300.c: Likewise.
8644 * i386-protos.h: Likewise.
8646 * m32r-protos.h: Likewise.
8649 * mips.md: Likewise.
8650 * gmon-sol2.c: Likewise.
8651 * sparc.c: Likewise.
8653 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8655 * ns32k-protos.h: New file.
8657 * ns32k.c: Fix compile time warnings.
8659 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8662 * ns32k.md: Likewise.
8664 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8666 * vax-protos.h: New file.
8668 * vax.c: Fix compile time warnings.
8670 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8675 * vaxv.md: Likewise.
8677 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8679 * romp-protos.h: New file.
8681 * romp.c: Fix compile time warnings.
8683 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8686 * romp.md: Likewise.
8688 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8690 * we32k-protos.h: New file.
8692 * we32k.c: Fix compile time warnings.
8694 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8697 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8699 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8701 * except.c (eh_regs): Likewise.
8703 * final.c (output_operand): Likewise.
8705 * fold-const.c (target_isinf, target_isnan): Likewise.
8707 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8709 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8710 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8712 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8714 (clrstrsi): Rewrite.
8715 (strsethi, strsetqi): New expanders.
8716 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8717 (cmpstrsi): Emit compare insn before cmpstrsi_1
8718 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8719 (strlensi_1): Likewise.
8720 (cmpstrsi_1): Likewise; do not output compare.
8721 (strlen expander): Do not unroll when optimizing for size.
8722 (*subsi3_carry): Rename to subsi3_carry
8723 (addqi3_cc): New pattern.
8724 * i386.h (processor_costs): Add move_ratio field.
8725 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8726 * i386.c (*_cost): Set move_ratio.
8727 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8728 (x86_expand_strlensi_1): Rewrite the main loop.
8730 2000-01-17 Richard Henderson <rth@cygnus.com>
8732 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8733 * cse.c (find_comparison_args, fold_rtx): Likewise.
8734 * integrate.c (subst_constants): Likewise.
8735 * loop.c (get_condition): Likewise.
8737 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8739 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8741 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8743 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8744 (RESTORE_WARN_FLAGS): Unpack it.
8745 Change semantic type of extension to ttype.
8746 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8747 * c-parse.y, c-parse.c, objc/objc-parse.y,
8748 objc/objc-parse.c: Regenerate.
8750 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8752 * fixinc/fixlib.c: Add copyright notice.
8753 (compile_re): New function.
8754 * fixinc/fixlib.h: Prototype compile_re.
8756 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8757 Use compile_re to compile regular expressions.
8759 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8760 where the pattern matched.
8762 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8764 (ultrix_ansi_compat): Likewise.
8765 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8767 (interactv_add2, interactv_add3): Delete.
8768 (x11_sprintf): Don't use filename glob.
8769 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8772 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8774 * print-rtl.c: PROTO -> PARAMS.
8776 * reg-stack.c: Likewise.
8777 * resource.c: Likewise.
8778 * sdbout.h: Likewise.
8779 * simplify-rtx.c: Likewise.
8780 * stor-layout.c: Likewise.
8781 * stupid.c: Likewise.
8782 * xcoffout.c: Likewise.
8783 * xcoffout.h: Likewise.
8785 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8787 * toplev.c: PROTO -> PARAMS.
8788 * toplev.h: Likewise.
8791 * unroll.c: Likewise.
8792 * varasm.c: Likewise.
8793 * varray.c: Likewise.
8794 * varray.h: Likewise.
8796 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8798 * reload.c: PROTO -> PARAMS.
8799 * reload.h: Likewise.
8800 * reload1.c: Likewise.
8801 * reorg.c: Likewise.
8802 * resource.h: Likewise.
8805 * rtlanal.c: Likewise.
8806 * sbitmap.h: Likewise.
8807 * sdbout.c: Likewise.
8808 * stack.h: Likewise.
8810 * system.h: Likewise.
8812 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8814 * machmode.h: PROTO -> PARAMS.
8815 * mbchar.h: Likewise.
8816 * mips-tdump.c: Likewise.
8817 * mips-tfile.c: Likewise.
8818 * optabs.c: Likewise.
8819 * output.h: Likewise.
8820 * prefix.c: Likewise.
8821 * profile.c: Likewise.
8822 * protoize.c: Likewise.
8824 * recog.c: Likewise.
8825 * recog.h: Likewise.
8826 * regclass.c: Likewise.
8827 * regmove.c: Likewise.
8830 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8832 * ggc-common.c: PROTO -> PARAMS.
8833 * ggc-page.c: Likewise.
8834 * ggc-simple.c: Likewise.
8836 * global.c: Likewise.
8837 * graph.c: Likewise.
8838 * gthr-win32.h: Likewise.
8839 * haifa-sched.c: Likewise.
8840 * halfpic.h: Likewise.
8841 * integrate.c: Likewise.
8842 * integrate.h: Likewise.
8845 * local-alloc.c: Likewise.
8849 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8851 * genattr.c: PROTO -> PARAMS.
8852 * genattrtab.c: Likewise.
8853 * gencheck.c: Likewise.
8854 * gencodes.c: Likewise.
8855 * genconfig.c: Likewise.
8856 * genemit.c: Likewise.
8857 * genextract.c: Likewise.
8858 * genflags.c: Likewise.
8859 * gengenrtl.c: Likewise.
8860 * genopinit.c: Likewise.
8861 * genoutput.c: Likewise.
8862 * genpeep.c: Likewise.
8863 * genrecog.c: Likewise.
8865 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8867 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8869 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8871 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8872 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8873 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8874 * configure, config.in: Rebuilt.
8876 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8878 * config/i386/i386.md: Add peephole to merge successive stack
8881 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8883 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8884 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8885 when walking backwards to find all the parameter loads when
8886 the basic block ends in a call.
8888 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8890 * loop.c (this_loop_info): Delete.
8891 (uid_loop): Add in place of uid_loop_num. All uses updated.
8892 (loop_number_exit_count): Delete and replace with entry in loop
8893 structure. All uses updated.
8894 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8895 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8896 (loop_outer_loop): Likewise.
8897 (loop_invalid, loop_number_exit_labels): Likewise.
8898 (loop_used_count_register): Delete and replace with entry in
8899 loop_info structure.
8900 (find_and_verify_loops): Add loops argument.
8901 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8902 loop_end, etc. arguments with loop structure pointer. All callers
8904 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8905 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8906 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8907 (insert_bct): Likewise.
8908 (basic_induction_var): New argument level.
8909 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8910 vtop, and cont. Add used_count_register.
8911 (uid_loop): Delete declaration.
8912 (loop_number_exit_count): Likewise.
8913 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8914 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8915 (loop_outer_loop, loop_used_count_register): Likewise.
8916 (loop_invalid, loop_number_exit_labels): Likewise.
8917 (unroll_loop): Replace loop_start and loop_end arguments
8918 with loop structure pointer.
8919 (loop_precondition_p, loop_iterations): Likewise.
8920 Include basic-block.h.
8921 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8922 with loop structure pointer.
8923 (loop_precondition_p, loop_iterations): Likewise.
8924 * basic-block.h (struct loop): New entries vtop, cont,
8925 cont_dominator, start, end, top, scan_start, exit_labels,
8927 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8929 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8931 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8933 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8935 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8937 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8939 * pdp11-protos.h: New file.
8941 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8944 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8947 * pdp11.md: Likewise.
8951 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8953 * mn10300-protos.h: New file.
8955 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8958 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8961 * mn10300.md: Likewise.
8963 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8965 * mn10200-protos.h: New file.
8967 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8970 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8973 * mn10200.md: Likewise.
8975 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8977 * h8300-protos.h: New file.
8979 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8982 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8985 * h8300.md: Likewise.
8987 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8989 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
8990 (asm_emit_uninitialised): Likewise.
8992 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
8994 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
8995 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
8997 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8999 * config/mips/mips.c (override_options): Don't turn on extra
9000 alignment for mips16.
9002 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9004 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
9005 eabi, and make sure queued POSTINCREMENT rtl is emitted at
9008 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9010 * builtins.c (PAD_VARARGS_DOWN): Define.
9011 (std_expand_builtin_va_arg): Use the above macro.
9012 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
9013 * tm.texi (Register Arguments): Document the above macro.
9015 2000-01-14 Nick Clifton <nickc@cygnus.com>
9017 * emit-rtl.c (emit_insn): If checking is enabled, make sure
9018 that this function has not been used to emit a jump
9021 * jump.c (return_jump_1): Cope with being passed a null rtx.
9023 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9025 * eh-common.h: PROTO -> PARAMS.
9026 * emit-rtl.c: Likewise.
9027 * errors.c: Likewise.
9028 * errors.h: Likewise.
9029 * except.c: Likewise.
9030 * except.h: Likewise.
9031 * explow.c: Likewise.
9032 * expmed.c: Likewise.
9035 * final.c: Likewise.
9036 * fix-header.c: Likewise.
9038 * fold-const.c: Likewise.
9039 * function.c: Likewise.
9040 * function.h: Likewise.
9042 * gcov-io.h: Likewise.
9046 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9048 * sh-protos.h: New file.
9050 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
9051 Add static prototypes. Fix compile time warnings.
9053 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
9057 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9059 * arc-protos.h: New file.
9061 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
9064 * arc.h: Move prototypes to arc-protos.h. Fix compile time
9069 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9071 * dsp16xx-protos.h: New file.
9073 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
9076 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
9079 * dsp16xx.md: Likewise.
9081 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9083 * convex-protos.h: New file.
9085 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
9088 * convex.h: Move prototypes to convex-protos.h. Fix compile time
9091 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9093 * elxsi-protos.h: New file.
9095 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
9098 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
9101 * elxsi.md: Likewise.
9103 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9105 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
9106 case for moving from HI/LO/HI_LO_REG. This makes the behavior
9107 match the comment for MIPS16.
9109 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
9111 * flow.c (split_edge): Do not call set_block_for_insn if we
9112 do not have a basic_block_for_insn structure.
9114 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
9115 and destination functions are 32bit aligned within the trampoline.
9116 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
9117 (TRAMPOLINE_ALIGNMENT): Define.
9119 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9120 (set (pc) (label_ref)), verify the change creates a valid insn.
9122 * fr30.c (call_operand): Tighten and rework to match rules for
9123 call RTL expressions.
9124 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9125 * fr30.md (call patterns): Improve constraints.
9127 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9129 * fr30.c (fr30_expand_epilogue): Revert last change.
9130 Use emit_jump_insn for the return insn.
9132 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9133 Stan Cox <scox@cygnus.com>
9135 * predict.c: New file. Preliminary infrastructure work for static
9136 branch prediction and basic block reordering.
9137 * basic-block.h: Add prototype for estimate_probability.
9138 * Makefile.in: Add rules for predict.o.
9140 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9142 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9143 * fixinc/*: Likewise.
9145 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9147 * cccp.c: PROTO -> PARAMS.
9149 * collect2.c: Likewise.
9150 * combine.c: Likewise.
9151 * convert.h: Likewise.
9153 * dbxout.c: Likewise.
9154 * dbxout.h: Likewise.
9155 * diagnostic.c: Likewise.
9156 * doprint.c: Likewise.
9157 * dwarf2out.c: Likewise.
9158 * dwarf2out.h: Likewise.
9159 * dwarfout.c: Likewise.
9160 * dwarfout.h: Likewise.
9161 * dyn-string.h: Likewise.
9163 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9165 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9166 macro conditionals guarding use.
9168 * dwarf2out.c: Include "tm_p.h".
9170 * function.c (locate_and_pad_parm): Mark parameter with
9172 (expand_function_end): Likewise for variable `context'.
9174 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9176 2000-01-13 Nick Clifton <nickc@cygnus.com>
9178 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9179 register to prevent compile time warnings.
9181 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9183 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9184 to avoid -Wtraditional warning.
9186 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9188 * 1750a-protos.h: New file.
9190 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9193 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9196 * 1750a.md: Likewise.
9198 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9200 * a29k-protos.h: New file.
9202 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9205 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9208 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9210 * clipper-protos.h: New file.
9212 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9215 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9218 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9220 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9222 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9224 * configure.in (--enable-new-gxx-abi): New option.
9225 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9226 * Makefile.in (GXX_ABI_FLAG): New variable.
9227 * configure: Regenerate.
9229 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9231 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9232 * tm.texi (FORCE_STRUCT_BLK): Document.
9233 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9235 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9237 * config/ns32k/ns32k.md: Revert Jan 9 change.
9239 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9240 to a mode-test, if the predicate is address_operand.
9242 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9244 * combine.c (if_then_else_cond): Be careful about what kinds
9245 of RTL expressions are passed to operand_subword.
9247 * flow.c (split_edge): If we have to insert a new jump, make
9248 sure to associate it with a basic block.
9250 * flow.c (commit_one_edge_insertion): A block with one successor
9251 can end in a JUMP_INSN that is not a simplejump.
9253 2000-01-12 Robert Lipe <robertl@sco.com>
9255 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9256 (BUILD_VA_LIST_TYPE): Define.
9257 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9260 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9262 * cccp.c (do_pragma): Add cast to (char *).
9264 2000-01-12 Richard Henderson <rth@cygnus.com>
9265 Fred Fish <fnf@be.com>
9266 Jason Merrill <jason@cygnus.com>
9268 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9269 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9270 * i386/beos-elf.h, i386/beos-pe.h: New files.
9272 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9273 * cross-make (SYSTEM_HEADER_DIR): Define using
9274 CROSS_SYSTEM_HEADER_DIR.
9276 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9277 (process_command): Use it.
9278 (main): Likewise. Kill trailing = from env vars.
9279 (build_search_list): Put it back.
9280 * collect2.c (main): Use LIBRARY_PATH_ENV.
9282 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9283 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9285 * tm.texi (Frame Layout): Document SMALL_STACK.
9286 * c-common.c (c_common_nodes_and_builtins): Check it.
9288 * system.h: Undef alloca after including glibc's <stdlib.h>,
9289 if USE_C_ALLOCA is defined.
9291 * gcc.c (set_input): New fn.
9292 (main): After all input files are compiled, reset the input file
9295 * aclocal.m4 (rindex, index): If already defined, don't attempt
9298 * ginclude/varargs.h: (__va_list__): Define ifndef.
9299 * ginclude/stdarg.h: Likewise.
9301 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9302 instead of unsigned char.
9304 * hash.h (true, false, boolean): Undef before enum.
9306 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9307 proper type of "HOST_WIDE_INT *", rather than their natural type of
9308 "unsigned HOST_WIDE_INT *".
9310 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9312 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9314 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9316 * regclass.c (choose_hard_reg_mode): Likewise.
9318 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9320 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9322 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9324 * c-common.c: PROTO -> PARAMS.
9325 * c-common.h: Likewise.
9326 * c-decl.c: Likewise.
9327 * c-iterate.c: Likewise.
9328 * c-lang.c: Likewise.
9329 * c-lex.c: Likewise.
9330 * c-lex.h: Likewise.
9331 * c-parse.in: Likewise.
9332 * c-pragma.c: Likewise.
9333 * c-pragma.h: Likewise.
9334 * c-tree.h: Likewise.
9335 * c-typeck.c: Likewise.
9336 * objc/objc-act.c: Likewise.
9337 * objc/objc-act.h: Likewise.
9339 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9341 * m88k-protos.h: New file.
9343 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9346 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9348 * m88k.md: Likewise.
9350 * tekXD88.h: Likewise.
9352 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9354 * m68k-protos.h: New file.
9356 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9359 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9361 * mot3300.h: Likewise.
9363 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9365 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9367 (extract_bitlist): Declare bitlen.
9369 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9371 * cccp.c: Accept and ignore -lang-fortran.
9373 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9374 qualifiers don't match at any level of pointerness.
9376 2000-01-12 Robert Lipe <robertl@sco.com>
9378 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9380 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9382 * reload1.c (reload_reg_unavailable): New static variable.
9383 (reload_reg_free_p): Test it.
9384 (reload_reg_free_for_value_p): Test it instead of
9386 (choose_reload_regs_init): Compute it.
9388 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9390 * reorg.c (fill_slots_from_thread): Check modified_in_p
9393 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9395 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9396 these nodes even if INTERNALS is not set.
9398 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9400 * gcse.c (delete_null_pointer_checks_1): Cope when
9401 get_condition cannot determine the condition.
9403 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9405 * toplev.h (set_message_length): Declare.
9407 * diagnostic.c (obstack_chunk_alloc): Define macro.
9408 (obstack_chunk_free): Likewise.
9409 (struct output_buffer): New data structure.
9411 (output_maximum_width): New variable.
9412 (doing_line_wrapping, set_message_length, init_output_buffer,
9413 get_output_prefix, output_space_left, emit_output_prefix,
9414 output_newline, output_append, output_puts, dump_output,
9415 vbuild_message_string, build_message_string, build_location_prefix,
9416 voutput_notice, output_printf, line_wrapper_printf,
9417 vline_wrapper_message_with_location): New functions. Implement
9418 automatic line wrapping.
9419 (v_message_with_decl): Make it handle automatic line wrapping.
9420 (v_error_with_file_and_line): Likewise.
9421 (v_warning_with_file_and_line): Likewise.
9422 (announce_function): Likewise.
9423 (default_print_error_function): Likewise.
9425 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9427 * cpplib.h (struct cpp_options): Change lang_asm to char.
9429 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9430 done in cpp_handle_option now.
9431 (initialize_builtins): Take out special case code used only by
9433 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9434 if -traditional. Recognize -lang-fortran and set
9435 lang_fortran, also turn off cplusplus_comments.
9436 (print_help): Document -lang-fortran.
9437 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9438 lang_asm. Ignore all directives other than `# 123 "file"' if
9440 (cpp_get_token): If -traditional, don't recognize directives
9441 unless the # is in column 1.
9442 (parse_string): If lang_fortran or lang_asm, silently
9443 terminate strings ('' or "") at end of line.
9444 Remove unnecessary braces.
9446 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9447 Richard Henderson <rth@cygnus.com>
9449 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9451 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9452 strict_low_part when possible.
9454 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9456 * alias.c: PROTO -> PARAMS.
9457 * basic-block.h: Likewise.
9458 * bitmap.c: Likewise.
9459 * bitmap.h: Likewise.
9460 * builtins.c: Likewise.
9461 * c-aux-info.c: Likewise.
9462 * caller-save.c: Likewise.
9463 * calls.c: Likewise.
9465 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9467 * Makefile.in (toplev.o): Depend on regs.h.
9469 * output.h (tdesc_section): Prototype.
9471 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9473 * sdbout.c: Include "tm_p.h".
9475 * toplev.c: Include "regs.h".
9477 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9479 * unroll.c (unroll_loop): Add EH support.
9481 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9483 * pa-protos.h: New file.
9485 * pa.c: Include recog.h and tm_p.h.
9486 (compute_zdepwi_operands, compute_movstrsi_length,
9487 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9488 find_addr_reg, import_milli): Add static prototypes.
9489 (pa_cpu_string, pa_arch_string): Constify a char*.
9490 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9491 (read_only_operand): Add argument `mode'.
9492 (singlemove_string, output_move_double, output_fp_move_double,
9493 output_block_move, output_and, output_ior, output_ascii,
9494 remove_useless_addtr_insns, milli_names, output_mul_insn,
9495 output_div_insn, output_mod_insn, output_arg_descriptor,
9496 output_cbranch, output_bb, output_bvb, output_dbra, ,
9497 output_millicode_call, output_call, hppa_encode_label,
9498 output_parallel_movb, output_parallel_addb): Constify a char*.
9499 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9500 (output_parallel_addb): Remove extra arg to `constrain_operands'
9502 * pa.h: Move all prototypes to pa-protos.h.
9503 (pa_cpu_string, pa_arch_string): Constify a char*.
9504 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9506 * pa.md: Call `function_label_operand' with mode argument.
9507 Likewise for `read_only_operand'.
9508 Fix nesting of parens in call to `symbolic_operand'.
9510 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9512 * i860-protos.h: New file.
9514 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9517 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9519 * i860.md: Likewise.
9521 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9523 * i386.md (movstrsi expander): Rewrite.
9524 (movstrsi_1 insn): Deleted.
9525 (strmovhi, strmovqi expander): New expanders.
9526 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9527 * i386.c (x86_single_stringop): New global variable.
9528 * i386.h (x86_single_stringop): Declare.
9529 (TARGET_SINGLE_STRINGOP): New macro.
9531 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9533 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9534 integer vararg POSTINCREMENT before the destination of the jump
9535 for the hard fp case.
9536 (function_arg_pass_by_reference): Pass a copy of CUM to
9539 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9540 for CONSTANT_ADDRESS_P above while loop for subreg.
9542 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9544 * flow.c (propagate_block): When a prologue/epilogue insn
9545 is marked dead, unconditionally clear libcall_is_dead and
9546 insn_is_dead, and only dump rtl if warnings aren't being
9549 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9551 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9552 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9553 (FIXED_REGISTERS): Set dirflag as fixed.
9554 (CALL_USED_REGISTERS): Set dirflag as used.
9555 (REG_ALLOC_ORDER): Set dirflag as last one.
9556 (DIRFLAG_REG): New macro.
9557 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9558 (HI_REGISTER_NAMES): Add dirflag.
9559 (DEBUF_PRINT_REG): Handle dirflag.
9560 * i386.md (type attribute): New cld and str types.
9561 (length_opcode attribute): Set cld and str to 1.
9562 (memory attribute): Set str to unknown - it is not clear from the
9564 (pent_np function unit): Prefixed string operations takes 12 cycles
9565 minimally; cld takes 2 cycles.
9566 (ppro_uops attribute): Str is "many" and cld is "few".
9567 (ppro_p0 unit): Handle cld here.
9568 (k6_alux unit): Handle cld and str types.
9569 (k6_load unit): It is ocupied by str opcodes.
9570 (k6_store unit): It is ocupied by str opcodes.
9571 (athlon_decode): Str is vector decoded.
9572 (athlon_ieu): Handle str and cld.
9574 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9575 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9576 cmpstrsi_nz_1 insn): Do not output cld instruction
9578 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9580 * gcc.texi (G++ and GCC): Add Java and Chill.
9581 (Bug Critera): Don't list languages.
9583 * gcc.texi (Incompatibilities): No longer claim most C compilers
9586 * gcc.texi (G++ and GCC): Update other front-ends list.
9588 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9590 * i386.c (ix86_expand_setcc): Fix typo.
9591 (ix86_expand_movcc): Similarly.
9593 * Band-aid until haifa's bitset implementation is nuked.
9594 * haifa-sched.c (extract_bitlst): New parameter for size of the
9595 bitset in bits. All callers changed. Avoid looking at undefined
9597 (edgeset_bitsize): New variable.
9598 (schedule_region): Initialize edgeset_bitsize.
9600 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9602 * Makefile.in (optabs.o): Depend on real.h
9603 (resource.o): Depend on insn-attr.h
9605 * builtins.c (result_vector): Wrap prototype in macro conditions
9606 governing definition and use.
9608 * c-common.c: Include tm_p.h.
9610 * c-lex.c: Likewise.
9612 * elfos.h: Constify a char*.
9614 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9615 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9616 parameter with ATTRIBUTE_UNUSED.
9618 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9621 * haifa-sched.c (schedule_insns): Mark parameter with
9624 * optabs.c: Include real.h.
9626 * real.h (ereal_atof): Add prototype arguments.
9628 * resource.c: Include insn-attr.h.
9630 * sdbout.c (sdbout_queue_anonymous_type,
9631 sdbout_dequeue_anonymous_types): Wrap in macro
9632 SDB_ALLOW_FORWARD_REFERENCES.
9633 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9636 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9638 * stupid.c: Include tm_p.h.
9640 * tree.c (real_value_from_int_cst): Mark parameter with
9643 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9645 * i960-protos.h: New file.
9647 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9650 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9652 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9654 * combine.c (expand_field_assignment): Do not discard SUBREGs
9655 while computing nonzero_bits.
9657 2000-01-09 Nick Clifton <nickc@cygnus.com>
9659 * config/arm/arm.c: Fix compile time warnings about signed vs
9661 * config/arm/arm.h: Fix compile time warnings about signed vs
9664 2000-01-09 Philip Blundell <philb@gnu.org>
9666 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9667 than `ldm' with only one register.
9668 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9671 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9674 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9676 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9679 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9681 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9682 assignment used as truth value.
9684 * function.c (assign_temp): Mark parameter `dont_promote' with
9685 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9686 PROMOTE_FOR_CALL_ONLY.
9688 * genrecog.c (write_subroutine): Mark variable `operands' with
9691 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9694 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9695 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9697 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9700 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9702 * config/c4x.h: Tidy up comments.
9703 * config/c4x.c: Likewise.
9705 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9707 * fold-const.c (lshift_double, rshift_double): Handle
9708 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9710 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9712 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9713 in prepare_function_start().
9715 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9717 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9718 longer allocate extra stack for function calls.
9720 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9722 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9724 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9726 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9728 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9730 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9731 * aix43.h: Revert Aug 2 change.
9732 (HAS_INIT_SECTION): Define, not visible yet.
9733 (LD_INIT_SWITCH): Define, not visible yet.
9734 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9736 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9738 * collect2.c (main): Expand ld2 size further.
9739 (export_object_lst): Cast assignment to avoid warning.
9740 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9741 (scan_prog_file, COFF): Do not collect initialization or
9742 finalization functions generated for entire shared object if
9743 init/fini support present.
9745 2000-01-07 Nick Clifton <nickc@cygnus.com>
9747 * config/elfos.h: Tidy up formatting of marcos. Make sure
9748 that .section directives are always prefixed by a tab.
9750 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9753 2000-01-07 Matt Austern <austern@sgi.com>
9755 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9758 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9760 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9762 (crtbegin.o, s-crtS): Likewise.
9764 2000-01-06 Richard Henderson <rth@cygnus.com>
9766 * alpha.md (adddi_2+1): Limit offset such that it will be
9767 loadable with a single ldah+lda pair.
9768 (adddi_2+2): Explicitly fail split if we can't make it work.
9770 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9772 * protoize.c: Conditionally include unistd.h.
9773 (IS_SAME_PATH_CHAR): New macro.
9774 (IS_SAME_PATH): New macro.
9775 (CPLUS_FILE_SUFFIX): New macro.
9776 (cplus_suffix): New static variable.
9777 (is_abspath): New static function.
9778 (in_system_include_dir): Handle DOS style pathnames.
9779 (file_could_be_converted): Likewise.
9780 (file_normally_convertible): Likewise.
9781 (directory_specified_p): Likewise.
9782 (file_excluded_p): Likewise.
9783 (abspath): Likewise.
9784 (shortpath): Likewise.
9785 (referenced_file_is_newer): Likewise.
9786 (save_def_or_dec): Likewise.
9787 (do_processing): Likewise.
9789 (edit_file): Likewise. Use rename instead of link.
9790 (rename_c_file): Likewise. Don't rename syscalls file.
9791 (munge_compile_params): Define null device for DOS based systems.
9792 (process_aux_info_file): Use binary mode if appliable.
9793 (edit_file): Likewise.
9794 * invoke.texi (Running Protoize): Document C++ suffixes used.
9796 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9797 IS_DIR_SEPARATOR macros.
9798 * collect2.c: Likewise.
9799 * cppinit.c: Likewise.
9800 * dwarf2out.c: Likewise.
9803 * prefix.c: Likewise.
9805 * toplev.c: Likewise.
9806 * system.h: And move to here.
9808 * prefix.c (update_path): Fix typo in variable name.
9810 2000-01-06 Richard Henderson <rth@cygnus.com>
9812 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9813 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9814 (count_reg_sets_1, count_reg_references): Likewise.
9815 (flow_loops_level_compute): Start counting actual loop depth at 1.
9816 (flow_loops_find): Likewise.
9817 * local-alloc.c (update_equiv_regs): Likewise.
9818 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9820 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9822 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9823 FIRST_PSEUDO_REGISTER
9824 * dwarf2out.c: Don't include frame.h
9825 * dwarfout.c: Likewise
9826 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9829 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9831 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9834 * i386.c (movsf splitter): Fix typo in my last checkin.
9836 2000-01-05 Nick Clifton <nickc@cygnus.com>
9838 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9839 own definition of this macro.
9840 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9841 flag_data_sections or UNIQUE_SECTION_P are true.
9843 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9844 unitialised data decls.
9846 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9847 being called for uninitialised data.
9849 * config/i386/interix.c (i386_pe_unique_section): Cope with
9850 being called for uninitialised data.
9852 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9853 for uninitialised data.
9855 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9856 for uninitialised data.
9858 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9859 for uninitialised data.
9861 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9862 (UNIQUE_SECTION_P): Always generate a unique section if
9863 flag_data_sections is true.
9864 (UNIQUE_SECTION): Also generate unique sections for
9866 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9867 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9870 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9872 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9875 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9877 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9878 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9879 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9880 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9881 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9883 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9885 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9887 * c-decl.c (finish_enum): Simplify code to determine minimum and
9888 maximum values of the enum, and calculate the type. Remove check
9889 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9890 the DECL_INITIAL of each enumeration constant with a copy converted
9891 to the enumeration type. When updating variant types, don't bother
9892 updating the type itself.
9894 * c-typeck.c (build_binary_op): Simplify conditional expressions
9895 when weeding out spurious signed-unsigned warnings. Add new
9896 spurious warning category: if the unsigned quantity is an enum
9897 and its maximum value fits in signed_type(result_type). Update
9899 (build_conditional_expr): Warn here if one alternative is signed
9900 and the other is unsigned.
9902 2000-01-05 Nick Clifton <nickc@cygnus.com>
9904 * config/fr30/fr30.h: Remove extraneous comments.
9906 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9908 * reload1.c (choose_reload_regs): When disabling a reload, also
9909 set reload_spill_index to -1.
9911 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9913 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9915 (m68*-*-rtemself*): New target.
9916 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9917 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9918 (sparc*-*-rtemself*): New target.
9919 (sparc*-*-rtems*): Now elf not a.out.
9920 * config/i386/rtems.h: Include config/rtems.h.
9921 * config/i386/rtemself.h: Include config/rtems.h.
9922 * config/i960/rtems.h: Include config/rtems.h.
9923 * config/m68k/rtems.h: Include config/rtems.h.
9924 * config/m68k/rtemself.h: Include config/rtems.h.
9925 * config/mips/rtems64.h: Include config/rtems.h.
9926 * config/pa/rtems.h: Include config/rtems.h.
9927 * config/rs6000/rtems.h: Include config/rtems.h.
9928 * config/sh/rtems.h: Include config/rtems.h.
9929 * config/sh/rtemself.h: Include config/rtems.h.
9930 * config/sparc/rtems.h: Include config/rtems.h.
9931 * config/sparc/rtemself.h: Include config/rtems.h
9933 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9935 * final.c (shorten_branches): Correctly compute length of
9936 asms without operands.
9938 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9940 * configure.in: Add pj target.
9941 * configure: Regenerate.
9942 * config/pj: New directory.
9943 * config/pj/lib1funcs.S: New file.
9944 * config/pj/linux.h: New file.
9945 * config/pj/pj.c: New file.
9946 * config/pj/pj.md: New file.
9947 * config/pj/pjl.h: New file.
9948 * config/pj/t-pj: New file.
9949 * config/pj/xm-pj.h: New file
9951 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9953 * toplev.c (rest_of_compilation): Run shorten-branches before
9956 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9958 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9959 macros so that they're consistent with their names.
9960 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9961 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9963 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9965 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9966 modified inadvertently.
9968 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9970 * configure.in (v850*-*-rtems*): New target.
9971 * configure: Regenerate.
9972 * config/v850/rtems.h: New file.
9974 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9976 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9977 (__gthread_key_create): Likewise.
9978 (__gthread_key_dtor): Likewise.
9979 (__gthread_once): Fix logic.
9980 (__gthread_key_delete): Cast away constness.
9982 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9983 * invoke.texi: Document.
9984 * i386/mingw32.h (CPP_SPEC): Use.
9985 (LIBGCC_SPEC): Likewise.
9986 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
9988 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9990 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
9991 (HANDLE_PRAGMA_PACK): Undefine.
9992 (SLOW_UNALIGNED_ACCESS): Define.
9994 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9996 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
9997 to default definition.
9998 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
9999 (store_fixed_bit_field): Call macro with word_mode and alignment.
10000 (extract_bit_field): Call macro with relevant mode and alignment.
10001 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10002 to default definition.
10003 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
10005 (move_by_pieces_ninsns): Likewise.
10006 (clear_by_pieces): Likewise.
10007 (emit_push_insn): Likewise.
10008 (store_field): Call macro with relevant mode and alignment.
10009 (expand_expr): Likewise.
10010 (expand_expr_unaligned): Likewise.
10012 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10013 (SLOW_UNALIGNED_ACCESS): Define.
10014 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10015 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10016 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10017 (toc_section): Likewise and .toc pseudo-op.
10018 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10020 (TEXT_SECTION_ASM_OP): Likewise.
10021 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10024 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
10025 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
10026 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
10027 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
10028 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
10030 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
10032 * regclass.c: Revert my Jan 4 change to loop cost computation.
10034 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10036 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
10039 2000-01-04 Stan Cox <scox@cygnus.com>
10041 * haifa-sched.c (build_control_flow): Change unreachable simple
10042 loop test to check if current block has only one predecessor.
10043 (find_rgns): Initialize degree. Use dest as degree index, not src.
10045 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10047 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
10049 * calls.c (expand_call): Likewise for
10050 `old_stack_arg_under_construction'.
10052 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
10054 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
10057 * gcc.c (execute): Likewise for `ut' and `st'.
10059 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
10061 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
10063 * jump.c (jump_optimize_1): Likewise for `temp2'.
10065 * local-alloc.c (block_alloc): Likewise for `r1'.
10067 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
10069 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
10070 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
10072 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
10075 * reload.c (find_reloads): Likewise for `goal_alternative_number'
10076 and `goal_earlyclobber'.
10078 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
10080 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
10082 * stupid.c (stupid_life_analysis): Likewise for `chain'.
10084 * unroll.c (copy_loop_body): Likewise for `copy'.
10086 * varasm.c (output_constructor): Likewise for `byte'.
10088 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10090 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
10091 all FP constants for constant->reg moves.
10092 (ix86_split_to_parts): Try to convert memory address into immediate
10093 when available in the constant pool.
10094 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
10096 (LEGITIMATE_CONSTANT_P): Return 1.
10097 * i386.md (pushsf): New splitter to convert constant pool memory
10098 reference to immediate.
10099 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
10102 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
10104 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
10105 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
10106 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
10107 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
10108 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
10110 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
10112 * ginclude/stdbool.h: Support compilation as C++.
10114 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10116 * fold-const.c (make_range): Don't try to reverse an unbounded range.
10118 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10120 * regclass.c (regclass): Properly compute loop_cost. Adjust
10123 * regclass.c: Fix minor whitespace problems.
10125 2000-01-03 Anthony Green <green@cygnus.com>
10127 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10128 Restore the pic register if required.
10130 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10132 * c-common.c (format_char_info): Update comment.
10133 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10134 was recognized. Emit warning for formats new in ISO C99 only
10135 if flag_isoc9x is not set.
10137 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10139 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10141 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10143 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10144 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10145 (make_compound_operation): Choose cheaper alternative between
10146 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10148 * regclass.c (op_costs): Remove global variable.
10149 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10150 (record_operand_costs): Break out from ...
10151 (scan_one_insn): ... here.
10152 (dump_regclass): Make dumps nicer.
10153 (regclass): Dump preferrences choosed and changes done during passes.
10155 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10157 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10159 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10161 * config/sparc/sparc.c (gen_df_reg): New function.
10162 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10163 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10164 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10165 movtf_cc_reg_sp64+1): Use it.
10167 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10169 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10170 copied LABEL_DECLs.
10172 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10174 * config/i386/i386.c (ix86_expand_unary_operator): Function
10175 definition made void.
10176 (ix86_expand_binary_operator): Update outdated preceding comment.
10177 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10180 * config/i386/i386.c (override_options): Fix option-name typo.
10182 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10184 * system.h (CEIL): Define.
10185 * builtins.c (CEIL): Remove.
10186 * expmed.c (CEIL): Likewise.
10187 * expr.c (CEIL): Likewise.
10188 * stor-layout.c (CEIL): Likewise.
10190 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10192 * expr.c (store_constructor_field): Fix typo introduced with last
10195 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10197 * tree.h (BINFO_N_BASETYPES): New macro.
10199 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10201 * expmed.c (emit_store_flag): Prevent losing a pending stack
10202 adjust the same way we prevent losing queued increments.
10204 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10206 * function.c (update_temp_slot_address): Handle case where sum of
10207 temporary address plus offset in register is a valid address.
10209 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10211 * genrecog.c (change_state) Corrected typo.
10213 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10215 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10216 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10217 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10219 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10221 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10222 case, expand GT comparisons correctly. Fix a comment before this
10225 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10227 * dwarfout.c: Include "frame.h"
10228 * dwarf2out.c: Likewise.
10229 * Makefile.in (dwarfout.o): Depend on frame.h
10230 (dwarf2out.o): Likewise.
10232 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10234 Restore i386 binary compatibility in Dwarf EH info.
10235 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10236 value of FIRST_PSEUDO_REGISTER.
10237 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10238 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10239 * dwarfout.c (output_reg_number): Ditto.
10240 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10241 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10243 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10245 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10246 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10247 (<hack>_RE_CT): not needed
10248 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10249 rewritten to scan the file text once only
10250 "template<..." test added
10251 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10252 (is_cxx_header): declaration added
10253 * fixinc/fixtests.c(is_cxx_header): removed
10254 (apply_fix_p_t): removed
10255 (double_slash_test): is_cxx_header is only called once now
10256 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10257 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10258 within the templates.
10259 The borken spelling of "broken" was fixed.
10260 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10261 The default level depends on FIXINC_DEBUG.
10263 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10265 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10266 Otherwise provide a declaration for atexit.
10267 (init_dummy): Make sure dummy call to atexit is nevertheless
10268 called with correct number of args.
10270 * frame.c: Update comments referring to other files.
10272 * libgcc2.c: Likewise.
10274 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10276 * cse.c (free_element, get_element): Remove unused prototypes.
10278 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10281 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10284 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10286 * configure.in,configure: case arm for mn10200-*-* now sets
10287 float_format=i32 so that float.h will correctly claim "double"
10288 to be 32 bits. Ran autoconf to generate configure from .in file.
10290 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10292 * pa.md (conditional zero): If op1 is a register, force it into
10293 the same register as op0.
10295 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10297 * tree.h (BINFO_BASETYPES): Improve documentation.
10299 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10301 * configure.in (--enable-checking): Use a more portable `for'
10304 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10306 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10307 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10309 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10312 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10313 Delete descriptions.
10315 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10316 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10317 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10318 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10319 xm-svr4.h: Remove all instances of sys_siglist handling.
10321 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10323 * config/sparc/sparc.md (cmp_zero_qi,
10324 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10325 cmp_zero_extendqidi2_andcc_set): New patterns.
10327 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10329 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10330 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10331 (fpgnulib.c, xfgnulib.c): Add rules.
10332 * m68k/t-mot3300-gas: Likewise.
10334 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10336 * configure.in: Avoid [[ by using test and changequote. Add
10337 changequote required by 1999-12-14 change.
10338 * configure: Rebuild.
10340 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10342 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10344 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10346 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10347 * flow.c (find_use_as_address): Likewise.
10348 * function.c (fixup_var_refs_1): Likewise.
10349 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10350 * jump.c (invert_exp, redirect_exp): Likewise.
10351 * loop.c (replace_call_address): Likewise.
10352 (count_nonfixed_reads): Likewise.
10353 * rtlanal.c (modified_between_p): Likewise.
10354 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10355 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10356 * unroll.c (remap_split_bivs): Likewise.
10358 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10360 * diagnostic.c (v_message_with_decl): Use .* format specifier
10361 instead of building the format specifier width manually.
10363 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10364 determining whether to provide a prototype. Remove the
10365 sys_siglist clause in the conditional.
10367 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10369 * fold-const.c (operand_equal_p): Use memcmp to compare string
10371 Suggested by D. J. Bernstein
10373 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10375 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10376 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10378 * config/mips/mips.h (TARGET_64BIT): Likewise.
10379 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10380 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10381 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10382 dsps. Give routines proper names if SI/DI modes are not used.
10383 * longlong.h: Use DWunion instead of DIunion.
10385 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10387 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10388 GC_CHECKING, GC_ALWAYS_COLLECT.
10389 * configure.in: Allow --enable-checking with an argument
10390 listing check modes to enable.
10391 * config.in, configure: Rebuilt.
10392 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10393 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10394 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10395 ENABLE_GC_ALWAYS_COLLECT.
10396 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10398 * tree.h, tree.c: Change ENABLE_CHECKING to
10399 ENABLE_TREE_CHECKING throughout.
10401 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10403 * fold-const.c (fold_truthop): Properly check for FP RHS.
10405 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10407 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10408 * toplev.c (note_deferral_of_defined_inline_function): New
10409 function, split out from ...
10410 (rest_of_compilation): ... here. Use it.
10412 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10414 * expr.c (store_constructor): Don't call clear_storage if size is
10417 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10419 * Makefile.in (toplev.o): Depend on loop.h.
10421 * dwarfout.c: Include tm_p.h.
10423 * emit-rtl.c (restore_emit_status): Mark parameter with
10426 * final.c (final_scan_insn): Likewise.
10428 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10429 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10430 flow_depth_first_order_compute, flow_loop_pre_header_find,
10431 flow_loop_tree_node_add, flow_loops_tree_build,
10432 flow_loop_level_compute, flow_loops_level_compute,
10433 flow_loop_outside_edge_p): Add prototypes.
10434 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10436 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10437 Mark with ATTRIBUTE_NORETURN.
10439 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10441 * local-alloc.c (no_conflict_p): Likewise.
10443 * loop.c (insert_bct): Hide definitions of variables with hidden
10445 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10447 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10448 with ATTRIBUTE_UNUSED.
10449 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10450 (reg_scan): Likewise.
10452 * reload.c (find_reloads): Remove unused variables `changed'.
10454 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10456 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10457 Remove unused variable `insn'.
10459 * toplev.c: Include loop.h.
10460 (report_file_and_line): Remove unnecessary prototype.
10462 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10464 * unroll.c (biv_total_increment): Likewise.
10466 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10468 * reload1.c (emit_input_reload_insns): Restore old behaviour
10469 wrt. 'special' reloads.
10471 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10473 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10474 hash.h. (cse.c): Don't depend on hashtab.h.
10476 * cse.c: Don't include hashtab.h.
10477 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10479 * ggc-simple.c: Don't include hash.h.
10481 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10483 * dwarf2out.c (add_abstract_origin_attribute): Call
10484 gen_abstract_function on our function context.
10486 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10488 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10490 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10492 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10495 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10497 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10498 constraints to "a!r".
10500 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10502 * Makefile.in (calls.o): Depend on function.h.
10503 (alias.o): Likewise.
10505 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10507 * reload1.c (emit_reload_insns): Break out code and variables into...
10508 (input_reload_insns, other_input_address_reload_insns,
10509 other_input_reload_insns, input_address_reload_insns,
10510 inpaddr_address_reload_insns, output_reload_insns,
10511 output_address_reload_insns, outaddr_address_reload_insns,
10512 operand_reload_insns, other_operand_reload_insns,
10513 other_output_reload_insns): ... new static variables, and...
10514 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10515 do_output_reload): ... new functions.
10517 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10519 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10521 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10523 * md.texi: Add c4x constraints documentation.
10525 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10527 * config/i386/dgux.c (struct option): Rename to
10528 lang_independent_option.
10529 (struct m_options): Add description field.
10530 (output_options): Rename option type, add sep declaration, output
10531 ix86_cpu_string and ix86_arch_string only if set.
10532 (output_file_start): Rename option type.
10534 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10536 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10538 (libgcc2.a): Similarly.
10540 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10542 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10543 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10544 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10546 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10548 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10549 Remove redundant initialization of "frexpon" and "expon".
10551 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10553 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10555 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10556 (store_constructor_field, expand_expr): Pass new arg.
10558 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10560 * Makefile.in (explow.o): Depend on function.h.
10562 * stor-layout.c (set_sizetype): Fix typo.
10564 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10566 * function.c (cfun): Renamed from current_function. All users
10568 * function.h (cfun): Rename declaration as well.
10570 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10571 to be of type regset_head, not regset. All users changed by adding
10573 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10575 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10577 * config/c4x/rtems.h: New file.
10579 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10581 * reload1.c (spill_failure): Take class of failed reload as argument
10582 and print it. Caller changed.
10584 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10586 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10587 (TARGET_SWITCHES): Allow subtargets to default switches.
10588 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10590 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10592 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10595 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10597 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10598 * cppinit.c (cpp_handle_option): Likewise.
10600 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10601 determine when to define.
10603 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10605 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10606 cmove with mismatched test and data modes.
10608 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10610 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10613 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10615 * alias.c: Minor reformatting.
10616 * flow.c: Likewise.
10617 * regs.h: Likewise.
10618 * stor-layout.c: Likewise.
10619 * fold-const.c: Likewise.
10620 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10621 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10623 (size_int_wide): Cache nodes even if garbage collecting.
10624 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10625 of SAVE_EXPR has no side effects.
10626 * cse.c: Move a comment.
10627 * tree.c: Minor reformatting.
10628 (int_size_in_bytes): Return -1 if constant overflows.
10630 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10632 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10634 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10636 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10637 after any change to c-parse.in, even if objc-parse.y didn't
10640 1999-12-18 David S. Miller <davem@redhat.com>
10642 * toplev.c (rest_of_compilation): Restore BLOCK tree
10643 reconstruction and branch shortening changes lost in
10644 December 18th change.
10646 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10648 * config/arm/linux-elf.h: Change all instances of
10649 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10650 * config/arm/uclinux-elf.h: Likewise.
10652 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10654 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10655 v_message_with_decl, file_and_line_for_asm,
10656 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10657 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10658 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10659 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10660 pfatal_with_name, fatal_io_error, need_error_newline,
10661 last_error_function, last_error_tick, announce_function,
10662 default_print_error_function, print_error_function,
10663 report_error_function, fnotice, error_with_file_and_line,
10664 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10665 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10666 warning_with_decl, warning_for_asm, warning, pedwarn,
10667 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10669 (compile_file): Use fnotice instead of notice. Adjust call.
10671 * diagnostic.c: New file.
10673 * Makefile.in (OBJS): Include diagnostic.o
10674 (diagnostic.o): Define dependence.
10676 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10678 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10681 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10683 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10685 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10687 * fixtests.c (is_cxx_header): New fn, split out of
10689 (else_endif_label): Allow "#endif // comment" in C++ headers,
10690 as determined by is_cxx_header.
10691 * fixfixes.c (else_endif_label_fix): Update comment.
10692 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10694 * genfixes: Correct double thinko in commandline parsing.
10695 * hackshell.tpl: Generate correct sh syntax for bypass
10698 * inclhack.def (all): Whenever an inserted preprocessor
10699 conditional is split over multiple lines, use double
10700 backslashes in this file so the fixed header will be readable.
10702 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10703 and add bypass entry for correct version of this header.
10704 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10705 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10707 (hpux8_bogus_inlines): New fix, split from...
10708 (ultrix_atof_param) ... here.
10709 (math_expression): Add bypass entry keyed to glibc comment
10710 indicating the problem has been dealt with; disable
10711 unnecessary sed operations; update commentary.
10712 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10713 add select and bypass entries, simplify shell operation.
10714 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10716 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10717 ultrix_atof_param): Add select entry.
10718 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10719 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10720 comments with the fixes they describe.
10722 * c-parse.in (string action): Do not warn about ANSI string
10723 concatenation in system headers. Affects C parser only.
10724 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10726 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10728 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10729 compiling libgcc2 the macro depends always on arch cpp defines.
10731 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10733 * loop.c (insert_loop_mem): Don't record MEMs from inside
10736 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10738 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10740 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10741 notes too, create one when replacement failed, attempt to simplify
10743 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10744 or REG_EQUIV notes.
10746 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10748 * crtstuff.c (__dso_handle): Declare.
10749 (__cxa_finalize): Likewise.
10750 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10753 * invoke.texi: Document -fuse-cxa-atexit.
10755 * tree.h (ptr_type_node): Document.
10756 (const_ptr_type_node): Likewise.
10758 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10760 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10761 (optimize_reg_copy_2): Likewise.
10762 (optimize_reg_copy_3): Likewise.
10763 (fixup_match_2): Likewise.
10764 (regmove_optimize): Likewise.
10765 (fixup_match_1): Liekwise.
10767 * i386.md (HI to SImode promoting splitters): Rewrite.
10768 (pushsf mem peep2): New.
10769 (testhi to andhi peep2): Remove.
10770 * i386.h (x86_promote_QImode): New.
10771 (TARGET_PROMOTE_QImode): New.
10772 (PREDICATE_CODES): Add promotable_binary_operator.
10773 * i386.c (x86_promote_QImode0: New.
10774 (promotable_binary_operator): New.
10775 * i386-protos.h (promotable_binary_operator): New.
10777 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10779 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10781 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10783 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10784 * function.c (insert_block_after_note): Remove.
10785 (retrofit_block): Likewise.
10786 (identify_blocks): Fix indentation.
10787 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10788 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10789 * function.h (insert_block_after_note): Remove prototype.
10790 (retrofit_block): Likewise.
10791 * integrate.c (expand_inline_function): Don't call
10792 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10793 just expand_start_bindings. Use the block_map to remap old
10794 NOTE_BLOCKs to new ones.
10795 (integrate_decl_tree): Keep track of remapped blocks.
10796 * integrate.h (struct inline_remap): Add block_map.
10797 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10798 NOTE_BLOCK on the notes.
10799 (expand_start_bindings): Rename to ...
10800 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10801 (expand_end_bindings): Set NOTE_BLOCK.
10802 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10803 reconstruct the BLOCK tree.
10804 * tree.h (expand_start_bindings): Macroize. Call ...
10805 (expand_start_bindings_and_block): New function.
10807 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10809 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10810 to match the format.
10812 1999-12-16 David S. Miller <davem@redhat.com>
10814 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10815 the outputs is a SUBREG.
10816 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10819 * config/sparc/sparc.c (epilogue_renumber): Add default case
10822 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10824 * toplev.c (rest_of_compilation): Run branch shortening after
10827 * regclass.c (loop_depth): Remove
10828 (scan_one_insn): Do not handle LOOP_NOTE insns.
10829 (regclass): Go through basic blocks and set loop_cost
10831 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10833 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10835 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10837 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10838 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10839 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10841 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10843 * loop.c (insert_loop_mem): Ignore memory clobbers.
10845 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10848 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10850 * profile.c: Remove redundant #include "output.h".
10852 * h8300.md (HImode preinc peephole): Fix typo.
10854 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10856 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10857 (insert_block_after_note): Abort if we don't have a previous block.
10858 Remove FN parameter.
10859 * function.h: Adjust.
10861 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10863 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10864 argument more than once.
10866 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10868 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10870 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10872 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10874 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10876 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10877 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10878 update stack_alignment_needed.
10879 (prepare_function_start): Initialize stack_alignment_needed
10880 * function.h (struct function): Add field stack_alignment_needed.
10882 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10884 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10885 Handle live_throughout / dead_or_set instead of live_before /
10887 (save_call_clobbered_regs): Get register livenessinformation from
10888 chain->live_throughout.
10889 (add_stored_regs): New function.
10890 (insert_restore, insert_save): Add restored / saved registers to
10892 * global.c (reg_dies): New parameter chain.
10893 (reg_becomes_live): Third parameter is regs_set now.
10894 Changed all callers.
10895 (reg_dies): New parameter chain. Changed all callers.
10896 (build_insn_chain): Set live_throughout instead of
10897 live_before / live_after.
10898 * reload.h (struct insn_chain): Replace members live_before /
10899 live_after with live_throughout / dead_or_set.
10900 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10901 instead of live_before / live_after.
10902 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10903 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10904 (choose_reload_regs_init): Likewise.
10905 * stupid.c (current_chain, find_clobbered_regs): Delete.
10906 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10907 instead of chain->live_before / chain->live_after.
10908 (mark_hard_ref): New function.
10909 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10911 1999-12-15 David S. Miller <davem@redhat.com>
10913 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10915 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10917 * flow.c (calculate_loop_depth): Make global, remove prototype,
10918 rewrite to use new loop infrastructure.
10919 (find_basic_block): Remove calculate_loop_depth call.
10920 * toplev.c (rest_of_compilation): Call find_basic_block.
10921 * output.h (calculate_loop_depth): Declare.
10923 * flow.c (dump_flow_info): Dump loop_depth.
10924 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10926 (flow_loops_find): Initialize the loop_depth for each basic block.
10928 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10930 * tree.c (decl_function_context): Handle virtual functions.
10932 * tlink.c (scan_linker_output): Don't look in demangled name when
10933 looking for linker output keywords.
10935 * dwarfout.c (output_type): We can defer namespace-scope classes.
10937 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10939 * regclass.c (record_reg_classes): Update comment for merging
10940 register class preferences in reg->reg copies. Tighten conditions
10941 for merging register class preferences in reg->reg copies.
10943 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10945 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10947 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10949 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10950 (INIT_SECTION_ASM_OP): Delete.
10951 (FINI_SECTION_ASM_OP): Delete.
10952 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10954 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10956 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10957 the abstract origin wasn't emitted.
10959 * dwarf2out.c (class_scope_p): New fn.
10960 (gen_subprogram_die): Use it.
10961 (gen_variable_die): Use it. Tweak logic.
10962 (gen_struct_or_union_type_die): Check context_die to determine
10963 if we're function-local.
10964 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10966 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10968 * loop.c (check_dbra_loop): Can't reverse a biv that has
10969 maybe_multiple set.
10971 1999-12-14 Nick Clifton <nickc@cygnus.com>
10973 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10976 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10978 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10979 for givs made from biv increments.
10981 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10983 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10984 * alpha.c (override_options): Recognize -mcpu=ev67.
10985 * alpha.h (CPP_CPU_EV67_SPEC): New.
10986 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
10987 (EXTRA_SPECS): Update.
10989 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
10991 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
10992 appropriate for -lang-c89 and -std=*.
10993 * cppinit.c (cpp_handle_option): Likewise.
10994 (new_pending_define): New, split out from cpp_handle_option.
10995 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
10996 or enable trigraphs for -ansi/-std=*.
10998 * ginclude/stdarg.h (__va_copy): New.
10999 (va_copy): Don't define for C89.
11001 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
11003 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
11004 for long long multiply-accumulate.
11006 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11008 * regclass.c (scan_one_insn): Set loop_cost to 1 when
11009 optimizing for size.
11011 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11013 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
11014 if something changed. Back out that part of yesterday's changes.
11016 * loop.c (loop_max_reg): New static variable.
11017 (loop_optimize): Initialize it. Eliminate one unnecessary call to
11019 (scan_loop): Call reg_scan_update whenever we may have added new
11020 registers, and update loop_max_reg.
11022 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11024 * regclass.c (record_reg_classes): Do not do the copying preferrencing
11025 when source does not die.
11027 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
11029 1999-12-14 Jakub Jelinek <jakub@redhat.com>
11031 * config/sparc/linux64.h (TARGET_LIVE_G0,
11032 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
11034 * config/sparc/linux.h (TARGET_LIVE_G0,
11035 TARGET_BROKEN_SAVERESTORE): Likewise.
11036 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11037 TARGET_BROKEN_SAVERESTORE): Likewise.
11039 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
11040 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
11042 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
11043 as sparc64 block profiling register.
11044 * config/sparc/sparc.c (sparc_override_options): Allow block
11045 profiling with -m32.
11046 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
11047 profiling register.
11048 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
11049 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
11050 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
11052 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
11054 * config/sparc/sparc.h: Likewise.
11055 * config/sparc/xm-sysv4-64.h: Likewise.
11056 * config/float-sparc.h: Likewise.
11057 * glimits.h: Likewise.
11058 * longlong.h: Likewise.
11060 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
11061 (ASM_IDENTIFY_GCC): Remove.
11063 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11065 * combine.c (combine_simplify_rtx): Don't make shared rtl.
11066 (simplify_logical): Likewise.
11068 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11070 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
11071 * cppfiles.c (INO_T_EQ): Likewise.
11073 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11075 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
11076 * i386/mingw32.h (LIB_SPEC): Likewise.
11077 (STARTFILE_SPEC): Likewise.
11078 * i386/uwin.h (LIB_SPEC): Likewise.
11079 (STARTFILE_SPEC): Likewise.
11081 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
11082 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
11084 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
11086 * combine.c (combine_simplify_rtx): Fix order of checks for
11087 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
11089 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
11091 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
11092 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
11094 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11096 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
11098 * regclass.c (inv_reg_alloc_order): New array.
11099 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
11101 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
11102 counted_for_groups, counted_for_nongroups. Add fields rld and
11104 * reload.c (push_secondary_reload): Don't set nongroup field of
11106 (push_reload): Likewise.
11107 (find_reloads): Delete code to compute nongroup fields.
11108 * reload1.c (reload_insn_firstobj): New static variable.
11109 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
11111 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
11112 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
11113 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
11115 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
11117 (struct hard_reg_n_uses): Deleted.
11118 (potential_reload_regs): Deleted.
11119 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11120 (reload): Don't try to allocate reload registers if we already know
11121 we have to make another pass. Call select_reload_regs. Free memory
11122 starting with reload_firstobj when starting another pass.
11123 Don't allocate spilled_pseudos.
11124 (calculate_needs_all_insns): Call copy_reloads for an insn that
11125 needs reloads; don't call calculate_needs.
11126 (spill_cost): New static array.
11127 (used_spill_regs_local): New static variable.
11128 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11129 to compute potential_reload_regs.
11130 (find_reload_regs): Completely rewritten to use find_reg.
11131 (allocate_reload_reg): Don't test counted_for_groups or
11132 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11133 all cllers changed.
11134 (choose_reload_regs): Add fallback code that uses the existing
11135 register allocation from find_reload_regs.
11137 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11139 * flow.c (create_edge_list): Cast xmalloc return value.
11141 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11143 * doprnt.c: Remove incorrect comment closure.
11145 * cse.c: Fix a few minor whitespace goofs.
11147 1999-12-13 Don Bowman <don@pixstream.com>
11149 * mips/vxworks.h: Fix problem with comment termination.
11150 (EXTRA_SECTIONS): Add in_sbss.
11151 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11153 1999-12-12 David S. Miller <davem@redhat.com>
11155 * cse.c (struct cse_reg_info): Add hash_next member,
11156 reorder rest of struct for better packing on 64-bit
11158 (cse_reg_info_tree): Kill.
11159 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11160 REGHASH_FN): New custom pow2 hash mechanism.
11162 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11163 use a pow2 hash table.
11164 (get_cse_reg_info): Rework to use new REGHASH.
11165 (new_basic_block): Likewise, use HASH_SIZE, and inline
11167 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11168 and inline free_element call.
11169 (lookup_as_function, insert, flush_hash_table, invalidate,
11170 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11171 invalidate_for_call, use_related_value, find_comparison_args,
11172 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11173 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11174 get_element): Kill.
11176 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11178 * cse.c (cse_basic_block): Free qty_table consistently.
11180 1999-12-12 David S. Miller <davem@redhat.com>
11181 Jakub Jelinek <jakub@redhat.com>
11183 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11184 SUBREGs by hand, gen the appropriate hard reg directly.
11185 (movtf reg/mem split): Likewise and alter_subreg on destination
11187 (movtf mem/reg split): Similarly.
11188 (movdf_cc_sp64): Rename from hidden pattern.
11189 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11190 (movtf_cc_sp64, following split): New pattern and splitter.
11191 (movdf_cc_reg_sp64): Rename from hidden pattern.
11192 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11194 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11196 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11198 * loop.c (load_mems): Don't hoist written floating point mem
11201 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11203 * except.h (struct eh_queue): Add `next' pointer.
11204 (struct eh_status): Make x_ehqueue a pointer.
11205 (push_ehqueue): Declare.
11206 (pop_ehqueue): Likewise.
11207 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11209 (expand_fixup_region_end): Likewise.
11210 (expand_leftover_cleanups): Likewise.
11211 (push_ehqueue): Define.
11212 (pop_ehqueue): Likewise.
11213 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11214 than doing it inline.
11215 (expand_start_all_catch): Adjust now that ehqueue is a
11217 (mark_eh_queue): Mark all level of the queue.
11218 (mark_eh_status): Adjust now that ehqueue is a
11220 (init_eh_for_function): Allocate ehqueue.
11221 (free_eh_status): Free it.
11222 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11223 expansion for a fixup.
11225 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11227 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11229 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11230 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11231 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11232 function_ptr, getpagesize, __enable_execute_stack,
11233 __enable_execute_stack, __clear_insn_cache,
11234 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11235 _cleanup, _exit, __default_terminate, __terminate_func,
11236 __terminate, __empty, __throw, new_eh_context,
11237 eh_context_initialize, eh_context_static, eh_context_specific,
11238 get_eh_context, __get_eh_context, __get_eh_info,
11239 init_reg_size_table, eh_threads_initialize,
11240 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11241 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11242 __pure_virtual): Add prototype arguments.
11243 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11244 Cast a signed value to unsigned long when comparing against one.
11245 (new_eh_context): Wrap in _GTHREADS macro.
11246 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11248 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11249 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11251 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11253 * combine.c (record_promoted_value): Remove unused variable
11256 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11258 * global.c (record_conflicts): Likewise for `j'.
11260 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11263 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11265 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11266 output_fp_compare): Constify a char*.
11268 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11270 (override_options, ix86_comp_type_attributes, print_operand,
11271 output_387_binary_op, output_fix_trunc, output_fp_compare):
11273 (ix86_sched_reorder): Mark parameter `clock_var' with
11276 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11278 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11280 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11281 operand, for use in the Java front-end.
11283 1999-12-10 Ben Collins <bcollins@debian.org>
11285 * configure.in: Fix typo for "-64" in 64bit as check.
11286 * configure: Rebuilt.
11288 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11290 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11293 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11295 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11296 concatenation is utilized.
11298 * invoke.texi (-Wtraditional): Document it.
11300 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11302 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11303 Cast a ptrdiff_t to long and pass it to printf with %ld.
11305 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11307 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11308 68881, we have no 68881 registers at all.
11309 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11310 value in a 68881 register if it is available.
11312 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11314 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11315 for long long multiply-accumulate.
11317 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11319 * loop.c (insert_loop_mem): Undo last change.
11321 1999-12-10 David S. Miller <davem@redhat.com>
11323 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11325 * config/sparc/sparc-protos.h: Add them.
11326 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11327 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11328 constraints which use those helpers.
11329 (EXTRA_CONSTRAINT): Use this new macro.
11330 * md.texi: Update sparc target constraints documentation.
11331 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11332 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11333 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11334 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11335 (movsf high/lo_sum split): Rework for new patterns.
11336 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11338 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11340 * c-common.c (c_common_nodes_and_builtins):
11341 Create __builtin_ptrdiff_t and __builtin_size_t.
11343 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11345 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11347 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11349 * regclass.c (globalize_reg): Re-instate test that allows
11350 fixed registers to be declared as a variable even after functions
11353 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11355 * i386.md (cpu attribute): Add "athlon".
11356 (athlon_decode): New attribute.
11357 (Athlon scheduling units definitions): New.
11358 (fcmp and shld patterns): Set athlon_decode to "vector".
11359 * i386.c (athlon_cost): New.
11361 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11362 x86_use_sahf): Set for Athlon.
11363 (x86_use_fiop): Unset for Athlon.
11364 (override_options): Define Athlon alignments and "athlon" name.
11365 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11366 * i386.h (TARGET_ATHLON): New.
11367 (enum processor_type): Add PROCESSOR_ATHLON.
11368 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11370 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11372 1999-12-09 Andreas Jaeger <aj@suse.de>
11374 * loop.c (record_biv): Declare parameter as int.
11376 * config/i386/i386-protos.h: Declare long_memory_operand.
11378 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11380 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11381 EXPR_WITH_FILE_LOCATION.
11383 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11385 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11388 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11390 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11393 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11395 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11396 default on linux64 again.
11397 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11398 models for multilibing.
11399 * genmultilib: Accept | as alternative separator within a set in
11402 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11404 * calls.c (precompute_arguments): Make sure initial_value contains
11405 value pseudo which CSE expects.
11406 * cse.c (struct set): New entry orig_src.
11407 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11410 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11412 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11414 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11416 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11418 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11420 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11421 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11423 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11426 * longlong.h: Merge in changes from glibc.
11427 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11428 -mno-app-regs libgcc can be compiled.
11429 * libgcc2.c: Add defines so that the updated longlong.h
11430 can be used in libgcc2.a. Also, make sure on most architectures
11431 (at least on all which have optimized code in longlong.h defined
11432 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11434 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11436 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11437 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11438 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11440 * configure: Rebuilt.
11442 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11444 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11445 outputs require a register.
11447 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11449 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11450 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11451 functions like dptoul will be resolved.
11452 (libgcc2.a): Make sure that the object files from DPBIT are named
11453 differently (prefix `_dp') from those that would be coming from
11456 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11458 * configure.in: When target is sparc* and tm_file contains 64,
11459 test for 64bit support in assembler. If not supported, remove
11460 sparc/t-sol2-64 from target-dependent Makefile fragments.
11461 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11462 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11463 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11464 * acconfig.h (AS_SPARC64_FLAG): Added.
11465 * configure, config.in: Rebuilt.
11466 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11467 support. Use AS_SPARC64_FLAG.
11469 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11471 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11472 suitable for holding OFmode values so that gcc works with complex
11474 (hard_64bit_mode_classes): Likewise.
11476 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11477 so that it is actually matched.
11478 (sethi_di_medlow): Likewise.
11480 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11481 as legitimate constant if -mvis.
11482 * config/sparc/sparc.md (movtf): Likewise.
11483 (clear_sf): Use const_double_operand.
11484 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11486 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11487 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11488 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11489 routines, _Qp_* cannot be handled like that now.
11490 (INIT_TARGET_OPTABS): Likewise.
11491 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11492 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11493 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11494 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11495 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11496 divtf3, sqrttf3): New expanders.
11497 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11498 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11499 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11502 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11503 * configure: Rebuilt.
11504 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11505 -mcpu is given and we're doing 64bit compiles.
11507 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11509 * loop.h (struct induction): Add multi_insn_incr.
11510 * loop.c (basic_induction_var): New multi_insn_incr argument.
11511 Set it if we search back through previous insns for the biv.
11512 (record_biv): New multi_insn_incr argument; fill in struct induction.
11513 (strength_reduce): Discard an iv with multiple bivs, any of
11514 which require multiple insns to increment.
11516 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11518 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11521 1999-12-06 David S. Miller <davem@redhat.com>
11523 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11524 PROMOTE_FUNCTION_RETURN.
11526 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11528 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11529 and handle REG_UNUSED note on insn.
11531 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11532 inner_mask instead of mask.
11534 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11536 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11537 zero if there was an error.
11539 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11541 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11544 * longlong.h: Fix clobbers in SPARC asm statements.
11546 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11547 valid sethi operations when TARGET_ARCH64.
11549 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11550 always use move_by_pieces to avoid infinite recursion.
11551 (restore_fixed_argument_area): Likewise.
11553 * combine.c (check_promoted_subreg, record_promoted_value): New
11555 (combine_instructions): Use them to retain nonzero and sign bit
11556 information after SUBREGs are eliminated by optimizations in
11557 this pass if PROMOTE_FUNCTION_RETURN.
11559 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11560 .register declaration. Don't use variables with __ prefixes.
11562 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11564 * fold-const.c (optimize_bit_field_compare): Only use one mode
11565 for both RHS and LHS in non-constant case.
11567 1999-12-06 Nathan Sidwell <nathan@acm.org>
11569 * frame.c (start_fde_sort): Only allocate erratic array, if
11570 linear one was allocated. Return allocated flag.
11571 (fde_insert): Only insert, if there's a valid array.
11572 (fde_end_sort): Split, sort and merge if linear and erratic
11573 arrays exist, else just sort linear one.
11574 (search_fdes): New function. Linear search through original fde
11576 (frame_init): Permit multiple initializations. Cope with
11578 (find_fde): Fallback on linear search, if failed to sort array.
11579 (__deregister_frame_info): Only free sorted array, if we
11582 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11584 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11586 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11588 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11590 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11592 * tree.h (special_function_p): Declare.
11593 * calls.c (special_function_p): Make it global. Don't take `name'
11594 as a parameter. Fix typo in 1999-11-28 change.
11595 (expand_cal): Adjust.
11597 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11599 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11600 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11601 EXPR_WFL_FILENAME_NODE.
11602 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11604 * print-tree.c (print_note): Print TREE_PRIVATE and
11607 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11608 the original die cannot be found.
11610 * varray.h (varray_head_tag): Add elements_used.
11611 (VARRAY_PUSH): New macro.
11612 (VARRAY_POP): Likewise.
11613 (VARRAY_TOP): Likewise.
11614 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11616 * varray.c (varray_init): Initialize elements_used.
11617 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11618 (INTEGRATE_H): New variable.
11619 (integrate.o): Depend on INTEGRATE_H.
11620 (unroll.o): Likewise.
11622 * function.h (insert_block_after_note): Declare.
11623 * function.c (insert_block_after_note): Split out from ...
11624 (retrofit_block): ... here.
11626 * stmt.c (expand_fixup): Fix typo in comment.
11628 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11630 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11631 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11632 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11633 (regmove_optimize, fixup_match_1): Likewise.
11635 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11637 * flow.c (flow_loops_dump): Add missing argument when calling
11638 flow_loop_nested_p.
11640 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11641 Greg McGary <gkm@gnu.org>
11643 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11644 (init_attributes): Add A_NO_LIMIT_STACK.
11645 (decl_attributes): Handle A_NO_LIMIT_STACK.
11646 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11647 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11648 Handle stack bounds checking.
11649 * flags.h (flag_stack_check): Use the word 'probe' rather than
11650 'check', because the flag doesn't actually cause any checking to
11652 * function.c (expand_function_start): Set
11653 current_function_limit_stack.
11654 * function.h (struct function): Add limit_stack.
11655 (current_function_limit_stack): Define.
11656 * invoke.texi (Code Gen Options): Document new options.
11657 * rtl.h: Declare stack_limit_rtx.
11658 * toplev.c (stack_limit_rtx): New variable.
11659 (decode_f_option): Handle new options -fstack-limit-register=REG,
11660 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11661 (main): Add stack_limit_rtx as GC root.
11662 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11663 (struct tree_decl): New member no_limit_stack.
11665 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11667 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11668 (conditional_trap+1): Get new mnemonic correct.
11669 (conditional_trap+2): New pattern for DImode traps.
11671 * config/m68k/m68k.c (output_function_prologue): Handle
11673 * config/m68k/m68k.md (trap): New insn.
11674 (conditional_trap): New insn.
11675 * md.texi (Standard Names): Document `trap' and
11676 `conditional_trap'.
11677 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11678 so a cc0 setter doesn't get emitted at some random place in the
11681 * config/i960/i960.md (trap): New insn.
11682 (conditional_trap): New expander.
11683 (conditional_trap+1, conditional_trap+2): New insns for signed
11684 and unsigned cases.
11685 * config/i960/i960.c (i960_function_prologue): Use
11686 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11688 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11689 Geoffrey Keating <geoffk@cygnus.com>
11691 * flags.h (warn_padded, warn_packed): Add global var decls.
11692 * toplev.c (warn_padded, warn_packed): Add global var defns.
11693 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11694 * stor-layout.c (layout_record): Add local variable `type'
11695 to hold often-used TREE_TYPE (field). Add local variable
11696 `unpacked_align' to hold alignment that would be in force
11697 if no `packed' attribute were present. Warn if `packed' attribute
11698 is unnecessary, or even harmful. Warn when gcc inserts padding
11699 to satisfy alignment requirements of members. Use NULL_TREE
11700 when checking whether var_size is set.
11701 * invoke.texi: Document new flags.
11703 1999-12-03 Nathan Sidwell <nathan@acm.org>
11705 * frame.c (fde_split): Reimplement to avoid variable sized array.
11707 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11709 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11710 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11712 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11714 * invoke.texi: Document the mips option -mno-crt0
11716 1999-12-02 Mike Karr <mkarr@mathworks.com>
11718 * cccp.c (argdata): Added free_ptr member.
11719 (macroexpand): Initialize free_ptr of each argument. When an
11720 argument's buffers are freed, if the argument's free_ptr corresponds
11721 to a buffer on the input stack, then return the free_ptr to that stack
11722 frame, otherwise, free it.
11723 (macarg): If an argument begins and ends on the same input stack level,
11724 then transfer the free_ptr of that buffer to the argument in case
11725 the stack is popped during the processing of a subsequent argument.
11727 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11729 * loop.c (note_reg_stored): New function.
11730 (struct note_reg_stored_arg): New structure.
11731 (try_copy_prop): Change to be more conservative; only replace within
11732 one extended basic block and stop replacing if a store to the
11733 replacement reg is seen.
11735 1999-12-02 Nick Clifton <nickc@cygnus.com>
11737 * config/fp-bit.c: Initialise all fields of the NAN
11740 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11743 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11745 * i386.md (extend?f?f2): Force the input into a register, not
11748 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11750 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11752 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11753 alternative because setting up 64bit constant is usually costly,
11754 especially when reload is in progress or completed.
11755 (movdf_const_intreg_sp64): Likewise.
11756 (movdf_const_intreg split): Fix building up constants when
11757 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11759 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11761 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11762 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11765 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11766 (asm_file_start): Emit .am33 into assembly file when compiling for
11768 (print_operand_address): Handle POST_INC addresses.
11769 (can_use_return_insn, initial_offset): Check AM33 registers too.
11770 (expand_prologue): Check & save AM33 registers too.
11771 (expand_epilogue): Similarly.
11772 (secondary_reload_class): Handle AM33 specific secondary reloads.
11773 (output_tst): Emit efficient code for the AM33 too.
11774 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11775 (TARGET_SWITCHES): Add -mam33 switch.
11776 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11777 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11778 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11779 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11780 (enum reg_class, REG_CLASS_NAMES): Likewise.
11781 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11782 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11783 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11784 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11785 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11786 (HAVE_POST_INCREMENT): Define.
11787 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11788 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11789 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11790 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11791 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11792 (zero_extend to SI from QI/HI): Likewise.
11793 (sign_extend to SI from QI/HI): Likewise.
11794 (mulsidi3, umulsidi3): New patterns for the AM33.
11795 (tstsi with zero extension from QI/HI): Add AM33 variants.
11796 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11797 (return_internal_regs, store_movm): Handle new AM33 registers.
11798 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11799 (LIBGCC, INSTALL_LIBGCC): Likewise.
11800 * invoke.texi: Document new flags.
11802 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11804 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11805 (addsi3_carry): Likewise.
11806 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11807 (sbbsi3_carry): Likewise.
11808 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11809 (mulhi3): Likewise.
11810 (test?i_1): Ensure that only one operand is memory.
11811 (conditional move patterns): likewise.
11812 (shift and rotate patterns): Rewrite to expander, add
11813 "binary_operator_ok" to the condition.
11815 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11816 * i386.h (procesor_costs): Add movzbl_load field.
11817 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11818 non-Q registers, accept DImode registers anywhere.
11820 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11821 * i386.c (*_cost): Set value for movxbl_load field.
11823 * (addsi): New add to lea splitter.
11824 (ashlsi): Likewise.
11825 (lea to add/shift peep2): New.
11827 1999-12-01 Mark Salter <msalter@cygnus.com>
11829 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11830 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11831 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11833 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11835 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11836 * i386.md (movsi_xor): New.
11838 (movsi_1, movhi_1, movqi_1): Remove.
11839 (movsi_2): Rename to movsi_1.
11840 (movhi_2): Rename to movhi_1.
11841 (movqi_2): Rename to movqi_1.
11842 (movdi_1): Remove; remove splitter.
11843 (movdi_2): Rename to movdi_1.
11844 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11845 (long move peep2): Do not create QI or HI mode mov0s
11846 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11848 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11851 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11852 (abs?f2_if): Likewise.
11854 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11856 * ggc.h (ggc_test_and_set_mark): New macro.
11857 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11858 (ggc_mark_tree): Likewise.
11859 (ggc_mark_rtvec): Likewise.
11860 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11862 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11864 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11866 (decl_scope_table): Just an array of trees now.
11867 (push_decl_scope): Simplify.
11868 (dwarf2out_init): Adjust.
11869 (local_scope_p): New fn.
11870 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11871 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11872 (gen_typedef_die): Likewise.
11873 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11874 (gen_inlined_subroutine_die): Likewise.
11875 (gen_abstract_function): Set current_function_decl temporarily.
11876 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11877 Handle block extern declarations. Don't call push/pop_decl_scope.
11878 (gen_decl_die): Fix logic for block externs.
11880 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11882 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11883 to the list of functions which have attribute malloc by default.
11885 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11887 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11888 integer constant does not match the traditional type, limit the
11889 warnings to cases where the base of the type is ten.
11891 * invoke.texi (-Wtraditional): Document it.
11893 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11895 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11896 * rs6000.md: Only access a CONST_INT with INTVAL
11898 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11900 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11901 (compute_nearerout): Likewise.
11902 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11903 size_t to unsigned long for formatting.
11905 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11907 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11908 Allow the user to override call-used/fixed state of %g2-5
11909 registers from the command line (with the exception of %g4 for
11911 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11912 there is a higher chance of having a leaf function.
11913 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11914 for ARCH64 which has %ccr register.
11915 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11917 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11918 insn accept into delay slot any insn which does not use %[ol]
11919 registers. Accept some LO_SUM and shift left by 1 for the normal
11921 (output_function_epilogue): Likewise.
11922 (epilogue_renumber): Added argument which inhibits any renumbering
11923 and just tests if the rtx does not use any %[ol] registers.
11924 (output_return): Reflect above change.
11926 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11928 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11929 aggregate passing for sizes <= 16 bytes.
11931 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11933 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11934 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11935 * reload.c (find_dummy_reload): Likewise.
11936 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11937 * reload1.c (reload_as_needed): Likewise.
11938 * stupid.c (stupid_find_reg): Likewise.
11939 * tm.texi (Obsolete Register Macros): Delete section.
11940 * gmicro.h: Remove all traces of the two macros.
11941 * i386.h: Likewise.
11942 * m88k.h: Likewise.
11943 * mips.h: Likewise.
11945 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11947 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11948 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11949 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11950 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11951 units for the sparclite86x chip.
11952 (flush): Revert October 14th change; add SImode specifically.
11953 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11954 * invoke.texi: Document it.
11956 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11958 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11959 psimode_truncation_operand.
11961 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11962 function. Return true if the operand is either a MEM valid
11963 for a PSImode address or not a MEM at all.
11965 * config/mn10200/mn10200.md (truncsipsi2): Use
11966 psimode_truncation_operand.
11968 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11970 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11971 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11972 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11973 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11974 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11975 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11976 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11977 * basic-block.h: Protect from multiple inclusion.
11978 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11979 (struct loops, struct loop): Define structures.
11980 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11981 * sbitmap.h: Protect from multiple inclusion.
11982 (sbitmap_a_subset_b_p): Add prototype.
11983 * Makefile.in (LOOP_H): New macro.
11984 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11986 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
11988 * cppinit.c (CAT): The argument list of this macro may not contain
11991 1999-11-29 David S. Miller <davem@redhat.com>
11993 Move quantity tables and register equivalence chains into
11994 per-qty and per-register structure arrays respectively.
11995 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
11996 qty_const_insn, qty_comparison_code, qty_comparison_const,
11997 qty_comparison_qty): Delete, replace with...
11998 (qty_table): this structure table.
11999 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
12000 (reg_eqv_table): this structure table.
12001 (make_new_qty): Add argument MODE. Caller updated.
12002 Update to use qty_table and reg_eqv_table.
12003 (make_regs_eqv, delete_reg_equiv, insert_regs,
12004 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
12005 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
12006 cse_process_notes, cse_main, cse_basic_block): Likewise.
12008 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12010 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
12011 operation if C is negative.
12012 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
12013 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
12014 law for some divisions if constant is negative and change other
12015 divisions to the opposite rounding.
12017 * expr.c (store_constructor_field): If bit position is not multiple
12018 of alignment of TARGET's mode, use BLKmode.
12020 * expr.c (expand_expr_unaligned): Add more code from full case
12021 that is needed when OP0 is in a register.
12023 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12025 * dwarfout.c (field_byte_offset): Size can be zero if there was
12028 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12030 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
12031 (associate_trees): Delete unused var TEM.
12032 (extract_muldiv): Delete unused var CANCEL_P.
12034 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
12035 (target_isinf, target_isnan, target_negative): Add return types to
12036 function definitions.
12038 1999-11-29 Bruce Korb <autogen@linuxbox.com>
12040 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
12041 * fixinc/hackshell.tpl: ditto
12042 * fixinc/fixtests.c(double_slash_test): more C++ header testing
12043 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
12045 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12047 * reload.c (push_reload): When looking for a register to put into
12048 reg_rtx, make sure all hard regs in a multi-reg register are in the
12049 right class and nonfixed.
12051 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
12052 pending_read_insns, pending_write_insns, pending_read_mems,
12053 pending_write_mems, pending_list_length, last_pending_memory_flush,
12054 last_function_call, sched_before_next_call): Move static variables
12056 (bb_ prefixed versions): Replace with single array bb_deps.
12057 (struct deps): New structure.
12058 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
12059 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
12060 argument of type "struct deps *"; use that instead of global
12061 variables. All callers changed.
12062 (init_rgn_data_dependencies): Delete function.
12063 (init_rtx_vector): Delete function.
12064 (init_deps): New function.
12066 (free_pending_lists): Simplify, we always use the bb_deps array even
12067 if only one basic block.
12068 (compute_block_backward_dependences): Likewise.
12069 (schedule_region): Likewise.
12071 (propagate_deps): New function, broken out of
12072 compute_block_backward_dependences.
12073 (compute_block_backward_dependences): Use it.
12075 * alpha.md: Delete useless patterns that tried to work around
12076 register elimination problems.
12078 * unroll.c (loop_iterations): Don't abort if iteration variable
12081 From Joern Rennecke:
12082 * reload1.c (reloads_conflict): Reverse test comparing operand
12083 numbers when testing for conflict between output/outaddr reloads.
12085 1999-11-29 David S. Miller <davem@redhat.com>
12087 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
12089 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
12091 1999-11-28 Robert Lipe <robertl@cygnus.com>
12093 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
12094 table from .fini into .dtor.
12096 1999-11-28 Anthony Green <green@cygnus.com>
12098 * tree.h (struct tree_decl): Add malloc_flag.
12099 (DECL_IS_MALLOC): Define.
12100 * c-common.c (attrs): Add A_MALLOC attribute.
12101 (init_attributes): Add this attribute to the table.
12102 (decl_attributes): Handle malloc attribute.
12103 * calls.c (special_function_p): Check for the malloc attribute.
12104 * extend.texi (Function Attributes): Document malloc attribute.
12106 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
12108 * pa.md (reload shift-add patterns): Remove.
12110 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12112 * reorg.c (dbr_schedule) Print more statistics. Corrected
12113 problem when printing info when 3 delay slots are filled.
12115 1999-11-28 Jakub Jelinek <jakub@redhat.com>
12117 * combine.c (setup_incoming_promotions): Pass an outgoing
12118 regno to FUNCTION_ARG_REGNO_P which it expects.
12120 1999-11-28 Andreas Jaeger <aj@suse.de>
12122 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12124 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12126 * cccp.c (do_include): Avoid initialization of automatic variable.
12128 * integrate.c (mark_stores): Function definition made void, to match
12129 previous declaration.
12130 * regclass.c (dump_regclass): Ditto.
12131 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12133 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12135 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12136 known to be multiple of divisor.
12138 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12140 * combine.c (try_combine): Add code to try to merge a set of a
12141 two-word pseudo to a constant with a setting of one of those words
12144 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12145 (split_tree): Completely rework to make more general.
12146 (make_range, fold): Call negate_expr.
12147 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12148 (fold, associate): Call new split_tree and associate_trees.
12149 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12151 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12153 * loop.c (try_copy_prop): Avoid GNU C extension.
12155 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12157 * except.c (init_eh_for_function): Still zero eh_return_context,
12158 eh_return_stack_adjust, and eh_return_handler.
12160 * except.h (eh_status): Adjust documentation for x_protect_list.
12161 (begin_protect_partials): New function.
12162 * except.c (enqueue_eh_entry): Fix formatting.
12163 (get_first_handler): Add consistency check.
12164 (add_partial_entry): Adjust usage of protect_list.
12165 (emit_cleanup_handler): Save and restore ehqueue.
12166 (expand_start_all_catch): Add comment.
12167 (begin_protect_partials): New function.
12168 (end_protect_partials): Adjust usage of protect_list.
12169 (init_eh_for_function): Use xcalloc.
12171 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12173 * c-common.c (check_format_info): Don't call a variadic function
12174 with a non-literal format string.
12176 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12178 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12179 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12182 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12185 * collect2.c (collect_wait): Likewise.
12187 * dbxout.c (dbxout_type): Likewise.
12189 * gcc.c (do_spec_1): Likewise.
12191 * genemit.c (gen_insn, gen_expand): Likewise.
12193 * genrecog.c (write_switch, write_subroutine): Likewise.
12195 * mips-tfile.c (catch_signal, botch): Likewise.
12197 * print-rtl.c (print_rtx): Likewise.
12199 * toplev.c (default_print_error_function, report_error_function,
12200 _fatal_insn): Likewise.
12202 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12204 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12206 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12208 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12209 operations when needed.
12210 * i386.md (fop_?f_comm): New.
12211 (fop_?f_1): Do not accept commutative operands.
12213 1999-11-25 Andreas Jaeger <aj@suse.de>
12215 * config/mips/mips.md (casesi_internal): Add missing brace.
12217 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12219 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12220 (splice_child_die): Handle moving a child DIE from the declaration
12221 DIE of a class to its specification.
12222 (gen_struct_or_union_type_die): Use 'complete' consistently.
12223 (gen_decl_die): Generate the virtual context DIE first.
12224 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12226 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12228 * config/mips/mips.md (call_value_multiple_interanal1): New.
12230 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12232 * dwarf2out.c (free_AT, free_die): New fns.
12233 (remove_children): Call them.
12234 (output_line_info): Disable removal of duplicate notes.
12236 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12237 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12238 means pretend the type isn't defined.
12239 Don't defer emitting types.
12240 (gen_type_die_for_member): New fn.
12241 (gen_decl_die): Call it.
12242 (splice_child_die): New fn.
12243 (gen_member_die): Call it rather than generate duplicate dies.
12245 Defer emitting information for the abstract instance of an inline
12246 until we either inline it or emit an out-of-line copy.
12247 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12248 from output_inline_function if DECL_ABSTRACT is also set.
12249 (block_ultimate_origin): Likewise.
12250 (gen_abstract_function): New fn.
12251 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12252 (gen_subprogram_die): An abstract instance is not a declaration
12253 just because it doesn't match current_function_decl. Don't abort
12254 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12255 has an abstract origin.
12256 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12257 abstract instance here.
12259 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12261 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12262 where we need to reload fpul from a system register.
12264 1999-11-24 Andreas Jaeger <aj@suse.de>
12266 * config/mips/linux.h (CPP_PREDEFINES): Added.
12267 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12269 1999-11-24 Andreas Jaeger <aj@suse.de>
12271 * config/mips/linux.h (TARGET_VERSION): Added.
12272 (HANDLE_SYSV_PRAGMA): Added.
12273 (DEFAULT_VTABLE_THUNKS): Added.
12275 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12277 * local-alloc.c (qty): New structure and static variable.
12278 (qty_phys_reg): Remove, all references changed to qty.
12279 (qty_n_refs): Likewise.
12280 (qty_min_class): Likewise.
12281 (qty_birth): Likewise.
12282 (qty_death): Likewise.
12283 (qty_size): Likewise.
12284 (qty_mode): Likewise.
12285 (qty_n_calls_crossed): Likewise.
12286 (qty_alternate_class): Likewise.
12287 (qty_changes_size): Likewise.
12288 (qty_first_reg): Likewise.
12289 (alloc_qty): Rename variable QTY to QTYNO.
12290 (finf_free_reg): Likewise.
12291 (local_alloc): Allocate qty, do not allocate the removed variables.
12293 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12295 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12296 when -membedded-pic is passed.
12298 * config/mips/mips.md (casesi): Handle 64-bit case too.
12299 (casesi_internal_di): New insn.
12301 * config/mips/mips.c (embedded_pic_offset): Always make the
12302 embedded-pic subtractions relative to the name of the current
12303 function by use of the magic string "..CURRENT_FUNCTION".
12304 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12306 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12308 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12309 of (const_int 0), when what we really care about is
12310 whether it's a zero constant anyway.
12311 (div_trap_mips16): Likewise.
12313 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12315 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12316 unroll_block_trees when generating debuggable code.
12318 * tree.h (unsave_expr_1): New function.
12319 (lang_unsave): New variable.
12320 (get_callee_fndecl): New function.
12321 * tree.c (unsave_expr_now_r): New function.
12322 (lang_unsave): Define.
12323 (unsave_expr_1): Likewise.
12324 (unsave_expr_now_r): Split out from unsave_expr_now.
12325 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12326 call unsave_expr_now_r.
12327 (get_callee_fndecl): Define.
12329 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12330 (gencheck.o): Do depend on lang_tree_files.
12332 * integrate.h (copy_decl_for_inlining): New declaration.
12333 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12334 (copy_decl_for_inlining): New function.
12335 (integrate_parm_decls): Use it.
12336 (integrate_decl_tree): Likewise.
12338 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12340 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12341 the second two from the first.
12342 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12343 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12344 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12346 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12347 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12350 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12352 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12353 needed on the address operand.
12354 * pa.c (call_operand_address): Check for the correct mode.
12356 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12358 * loop.c: Include "basic-block.h".
12359 (try_copy_prop, replace_loop_reg): New functions.
12360 (load_mems): Detect registers that just hold copies of the hoisted
12361 mem, and call try_copy_prop to eliminate them.
12362 * Makefile.in (loop.o): Update dependencies.
12364 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12366 * Makefile.in (gencheck.o): Depend on gencheck.h.
12367 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12368 (insn-peep.o): Depend on except.h and function.h.
12369 (insn-attrtab.o): Depend on RECOG_H.
12370 (insn-output.o): Depend on toplev.h and flags.h.
12371 (gengenrtl.o): Depend on real.h.
12372 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12373 Unify all dependencies to be on RECOG_H rather than recog.h.
12375 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12377 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12378 * configure.in: Try building a bi-arch 32/64-bit compiler on
12379 sparc-*-solaris2.7 and higher.
12380 * configure: Rebuild.
12382 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12384 * config/freebsd.h: New, FreeBSD architecture independent file.
12385 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12386 independent pieces.
12387 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12388 directly by i386/freebsd.h.
12389 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12390 independent configuration file.
12391 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12392 directly by i386/freebsd.h.
12393 * configure: Rebuilt.
12395 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12396 which is in the user's namespace.
12397 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12398 `i386' which is not in our namespace.
12400 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12402 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12404 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12406 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12407 (add_dwarf_attr, add_child_die): Just push onto the front.
12408 (reverse_die_lists): New fn.
12409 (add_sibling_attributes): Use it.
12410 (push_decl_scope): Reorganize.
12411 (add_name_and_src_coords_attributes): Don't set file and line for
12412 an artificial decl.
12413 (gen_subprogram_die): An artificial function doesn't need to match
12415 (gen_compile_unit_die): Return the generated die. Only add
12416 AT_comp_dir if the filename is relative.
12417 (remove_AT): Simplify loop. Also free string values.
12418 (output_die): A DIE ref can't be null.
12419 (output_value_format, value_format): Take a dw_attr_ref.
12420 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12421 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12422 AT_addr, AT_lbl): New fns.
12423 (various): Use them.
12424 (various): Constify.
12426 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12428 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12429 take SUBREG_WORD into account.
12430 (if_then_else_cond): Likewise.
12432 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12434 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12435 clause from BSD license, pursuant with
12437 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12439 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12441 * loop.c (load_mems): Reformat slightly.
12442 * basic-block.h (regset_head): New typedef.
12443 (INIT_REG_SET): New macro.
12445 1999-11-22 Bruce Korb <autogen@linuxbox.com
12447 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12448 (mips-dec-bsd*): non-functional code
12449 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12451 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12452 added three replacement fixes
12453 (no_double_slash): removed comments that are not (any longer) pertinent
12454 (bad_lval): this fix currently runs against many files.
12455 The comment seems to indicate that we should select for files
12456 containing 'pragma extern_prefix'.
12458 * fixinc/fixinc.x86-linux-gnu: deleted
12459 * fixinc/inclhack.sh: regen
12460 * fixinc/fixincl.x: regen
12461 * fixinc/fixincl.sh: regen
12463 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12465 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12466 its code is INSN and it has no notes.
12468 1999-11-22 Andrew Haley <aph@cygnus.com>
12470 * varasm.c (function_defined): Remove.
12471 (make_function_rtl): Don't set function_defined.
12472 (make_decl_rtl): Remove global register warning.
12473 * regclass.c (no_global_reg_vars): New variable.
12474 (globalize_reg): Warn if function has already been defined.
12475 (regclass_init): Set no_global_reg_vars.
12477 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12479 * regclass.c (reg_pref): New structure and static variable
12480 (prefclass): Delete.
12481 (altclass): Delete.
12482 (all uses of prefclass and altclass): Use reg_pref instead.
12484 1999-11-21 Nick Clifton <nickc@cygnus.com>
12486 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12488 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12489 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12490 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12492 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12494 * varasm.c (output_constructor): Solve problem with long long
12495 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12497 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12499 * global.c (allocno): New structure and static variable.
12500 (allocno_reg): Remove, all references replaced by allocno.
12501 (allocno_size): Likewise.
12502 (hard_reg_conflicts): Likewise.
12503 (hard_reg_preferences): Likewise.
12504 (hard_reg_copy_preferences): Likewise.
12505 (hard_reg_full_preferences): Likewise.
12506 (regs_someone_prefers): Likewise.
12507 (allocno_calls_crossed): Likewise.
12508 (allocno_n_refs): Likewise.
12509 (allocno_live_length): Likewise.
12510 (find_reg): Rename ALLOCNO to NUM.
12512 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12513 references updated.
12514 (may_move_out_cost): New variable.
12515 (init_reg_sets_1): Initialize may_move_out_cost.
12516 (record_reg_classes): Use may_move_out_cost.
12518 * regclass.c (dump_regclass): New function.
12519 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12520 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12521 pass rtl_dump_file to regclass.
12522 * rtl.h (regclass): Update prototype.
12524 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12526 * i386.md (neg, not and abs patterns): Revmap to use
12527 ix86_expand_unary_operator and ix86_unary_operator_ok.
12528 (add?f and sub?f expanders): Force operand 1 to register.
12529 * i386.c (ix86_expand_unary_operator): Rewrite.
12530 (ix86_unary_operator_ok): Ensure that memory operands
12532 (ix86_binary_operator_ok): Do not allow operand 1 to
12533 come into memory and operand 0 not.
12534 (ix86_expand_binary_operator): Ensure that
12535 src1 is not non-matching memory.
12537 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12538 to support integer registers and memory.
12539 (abss?2_integer): Likewise.
12541 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12542 (REG_CLASS_NAMES): Likewise.
12543 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12545 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12546 (movsf): Likewise; unify 4th and 5th alternative.
12547 (pushdf): Likewise.
12548 (movdf_1): Likewise; rename to movdf_integer.
12549 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12550 remove redundant splitter.
12551 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12552 (movdf_nointeger): New.
12553 (movxf_nointeger): New.
12554 (pushxf_nointeger): New.
12556 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12557 memory operands in patterns.
12558 (fop*): Refuse two memory operands.
12560 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12561 on !TARGET_USE_CLTD CPUs.
12563 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12565 * extend.texi: Document C++ restricted pointers and references.
12567 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12569 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12570 (invalidate_skipped_set): Call it unconditionally.
12571 (cse_set_around_loop): Likewise.
12573 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12575 * rtl.texi (mem): Add documentation for alias-set argument
12578 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12580 * i386.h (struct_processor_costs): New fields int_load, int_store,
12581 fp_move, fp_load and fp_store
12582 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12584 (MEMORY_MOVE_COST): New macro.
12585 * i386.c (386_cost): Define new fields.
12586 (i486_cost): Likewise.
12587 (pentium_cost): Likewise.
12588 (pentiumpro_cost): Likewise.
12589 (k6_cost): Likewise.
12591 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12592 Geoffrey Keating <geoffk@cygnus.com>
12594 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12596 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12599 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12600 (TARGET_STRICT_ALIGNMENT): New macro.
12601 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12602 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12603 * invoke.texi (M680x0 Options): Document -mstrict-align.
12605 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12606 Richard Henderson <rth@cygnus.com>
12608 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12609 (ix86_split_long_move): Declare.
12610 * i386.c (split_xf, ix86_split_movdi): Remove.
12611 (ix86_split_to_parts, ix86_split_long_move): New.
12612 * i386.md (dimode move splitters): Use ix86_split_long_move.
12613 (dfmode move splitters): Likewise.
12614 (xfmode move splitters): Likewise.
12615 (movsf_1): Allow F->r.
12616 (movdf_1, movxf_1): Allow F->ro.
12618 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12620 * except.h (struct eh_entry): Add goto_entry_p.
12621 (eh_region_from_symbol): Remove prototype.
12622 * except.c (find_func_region_from_symbol): New function.
12623 (emit_cleanup_handler): Likewise.
12624 (eh_region_from_symbol): Make it static.
12625 (add_new_handler): Verify the argument.
12626 (find_func_region): Update comment.
12627 (expand_eh_region_end): Expand handlers here, rater than waiting
12628 until expand_leftover_cleanups or start_all_catch.
12629 (expand_leftover_cleanups): Don't expand here.
12630 (expand_start_all_catch): Or here.
12631 (expand_rethrow): Check the return value from find_func_region.
12632 * function.c (expand_function_end): Emit the catch_clauses.
12634 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12636 * integrate.c (expand_inline_function): Add necessary check for NULL.
12638 1999-11-18 Nick Clifton <nickc@cygnus.com>
12640 * toplev.c (main): Correctly detect an unrecognised option.
12642 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12643 a -f option if it has not been recognised.
12645 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12647 * basic-block.h (update_life_extent): Remove trailing comma on
12648 enumeration type list.
12650 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12652 * varasm.c (output_constructor) Solved problem with long long
12653 bitfields. Corrected calculating this_time and shift. Also
12654 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12656 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12658 * flow.c (split_edge): Take looping structure into account when
12659 determining where to put the new block note.
12661 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12663 * Makefile.in (ggc-none.o): Provide host specific version if
12666 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12668 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12669 containing subregs too.
12671 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12673 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12674 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12675 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12676 (text_section): Add switches -munint-const-in-rodata and
12677 -mno-uninit-const-in-rodata.
12678 (ASM_OUTPUT_COMMON): Remove.
12679 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12680 const objects should be placed in read-only data. Otherwise declare
12683 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12685 * jump.c (jump_optimize_1): Revert last change.
12687 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12689 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12690 test if optimizing for size.
12692 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12694 * Makefile.in (toplev.o): Depend on except.h.
12695 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12697 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12699 * i386.md (divmodsi4): Rewrite to expander.
12700 (*divmodsi4_nocltd): New.
12701 (*divmodsi4_cltd): New.
12702 (divmodsi4 splitter): Handle the case when input comes in edx.
12703 (udivmodhi4): Do not use constraints in exander.
12704 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12706 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12708 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12709 for the common case.
12711 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12713 * explow.c (hard_function_value): Add outgoing argument.
12714 * expr.h (hard_function_value): Declare it.
12715 * calls.c (expand_call, emit_library_call_value): Update callers.
12716 * function.c (aggregate_value_p): Ditto.
12717 (diddle_return_value): Must look at the outgoing registers
12718 on archs with register windows.
12720 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12722 * alpha.c (alpha_build_va_list): Use make_lang_type and
12723 initialize TYPE_NAME for the va_list record.
12725 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12727 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12729 * ggc.h (struct ggc_statistics): Rearrange elements for better
12730 packing on 64-bit hosts.
12731 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12732 (compute_nearerout): Likewise.
12734 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12736 * config/rs6000/rs6000.c (first_reg_to_save): Save
12737 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12739 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12741 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12742 notion of nesting to find the DIE for a type or function.
12743 DIEs can go in limbo even if we got a context_die.
12744 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12745 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12747 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12748 (gen_type_die): Writing out the context doesn't cause member class
12749 template instantiations to be written out as well.
12751 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12753 * rs6000.h (ASM_OUTPUT_DEF): New.
12754 Based on proposed addition from David Edelsohn.
12756 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12757 Bruce Korb <autogen@linuxbox.com>
12759 * fixinc/inclhack.def
12760 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12761 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12763 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12764 (svr4_endian): enabled with SVR5
12765 (svr4_mkdev): simplified syntax and enabled with SVR5
12767 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12769 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12770 * configure: Rebuilt.
12771 * config/t-freebsd-thread: New file.
12773 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12775 * i386.c (ix86_decompose_address): Verify the base is a REG
12776 before trying to examine its register number.
12778 * basic-block.h: Remove all #defines and prototypes related to
12780 (free_bb_mem, compute_preds_succs): Remove prototype.
12781 * rtl.h (free_bb_mem): Remove prototype.
12782 * flow.c (alloc_int_list_node); Remove function.
12783 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12784 (compute_preds_succs, free_bb_mem): Likewise.
12785 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12786 * toplev.c (rest_of_compilation): Likewise.
12787 * haifa-sched.c (build_control_flow): Use flow generated edge
12788 list to build the haifa specific edge list.
12789 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12790 (schedule_insns): Do not build pred/succ lists anymore. Instead
12791 build the edge table.
12793 * basic-block.h (dump_bb_data): Remove declaration.
12794 * flow.c (dump_bb_data): Remove function.
12795 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12796 (sbitmap_union_of_predsucc): Likewise.
12798 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12799 argument. All callers changed.
12800 (delete_null_pointer_checks_1): No longer need to compute the
12803 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12804 All callers changed.
12805 (pre_expr_reaches_here_p_work): Likewise.
12806 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12807 * lcm.c (compute_laterin): Fix initialization of LATER.
12808 (compute_nearerout): Similarly for NEARER.
12810 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12812 * cse.c (set_nonvarying_address_components): Delete unused function.
12813 (refers_to_p): Likewise.
12815 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12817 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12820 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12822 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12823 definition in do while (0).
12825 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12827 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12829 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12831 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12833 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12835 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12836 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12837 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12838 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12840 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12841 saved on the stack. Output more accurate stack frame statistics
12842 into assembler file.
12844 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12846 * genextract.c (record_insn_name): New function.
12847 (get_insn_name): No longer a stub.
12848 (main): Call record_insn_name for each insn. After each label
12849 written, print the insn name in a comment.
12851 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12853 * output.h (const_section, init_section, fini_section): Add
12856 * alpha/elf.h (const_section): Delete declaration.
12858 * svr4.h (const_section): Likewise.
12860 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12862 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12863 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12864 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12866 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12867 variable-sized array bounds.
12869 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12871 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12874 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12876 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12877 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12879 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12881 * cse.c (hash_arg_in_struct): Delete.
12882 (struct table_elt): Delete elt in_struct.
12883 (struct set): Delete elt src_in_struct.
12884 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12885 the corresponding in_struct elts.
12886 (canon_hash): Likewise.
12887 (safe_hash): Likewise.
12888 (find_best_addr): Likewise.
12889 (record_jump_cond): Likewise.
12890 (cse_insn): Likewise.
12892 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12894 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12896 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12899 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12901 * function.c (diddle_return_value): Put back check that the DECL_RTL
12902 for the function is a register.
12904 * function.c (diddle_return_value): Use hard_function_value to
12905 get an rtx suitable for use in the USE/CLOBBER insn.
12907 * global.c (global_conflicts): Update comments.
12908 (record_conflicts): No need to record conflicts between pseudos here.
12910 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12912 * fixinc/fixincl.c: Added verbose levels for status messages
12914 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12916 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12917 operand as argument to expand_and or expand_binop.
12919 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12921 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12922 gcc_add_string_root.
12924 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12926 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12928 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12930 * flow.c (compute_flow_dominators): Initially put all blocks on
12932 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12933 * gcse.c (compute_cprop_avinout): Remove.
12934 (compute_cprop_data): Use compute_available.
12935 (delete_null_pointer_checks_1): Use compute_available.
12937 * basic-block.h (compute_available): Returns a void now.
12938 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12939 to return a value anymore.
12940 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12941 worklists. Fix boundary cases. Compute maximal solutions.
12942 (compute_laterin, compute_nearerout): Similarly.
12944 * dwarf2out.c (add_AT_location_description): Allow
12945 (mem (plus (pseudo) (...)) too.
12947 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12949 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12951 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12952 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12954 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12956 * gansidecl.h: Likewise.
12962 * toplev.h: Likewise.
12964 * tree.c: Likewise.
12966 * tree.h: Likewise.
12968 * varray.c: Likewise.
12970 * varray.h: Likewise.
12972 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12974 * gcov.c (struct arcdata): Add hits and total, remove prob.
12975 (output_branch_counts): New.
12976 (process_args): Set output_branch_counts if -c.
12977 (calculate_branch_probs): Store hits and total instead of
12979 (output_data): Emit counts if output_branch_counts is true.
12980 * gcov.texi (Invoking Gcov): Document -c switch..
12982 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12984 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12985 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
12987 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
12989 * invoke.texi (C Dialect Options): Add missing builtins from
12990 c-common.c to list.
12991 * extend.texi (Other Builtins): Copy to this list.
12993 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12995 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
12996 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
12997 redundant bitmap.h.
12999 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
13001 * flow.c (compute_flow_dominators): No longer treat basic block 0
13002 or (n_basic_blocks - 1) specially. Clear the AUX field before
13003 starting computation of doms/pdoms. Fix initial state for pdoms.
13005 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13007 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
13008 match rtl.o's: added ggc.h and toplev.h
13009 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
13010 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
13011 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
13013 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
13015 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
13016 from HAVE_DOS_BASED_FILESYSTEM.
13017 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
13018 HAVE_DOS_BASED_FILESYSTEM.
13020 (split_directories): Only special-case DOS file names if
13021 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
13022 instead of explicit tests. Conditionalize on !VMS.
13023 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
13024 tests. Conditionalize on !VMS.
13025 (process_command): Only use make_relative_prefix if !VMS.
13026 (free_split_directories): Conditionalize on !VMS.
13027 (DIR_UP): Conditionalize on !VMS.
13029 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
13031 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
13033 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
13035 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
13038 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
13040 * invoke.texi (Environment Variables): Document relative path
13042 * gcc.c (DIR_UP): If not defined, define as "..".
13043 (standard_bindir_prefix): New static, holds target location to
13045 (split_directories): New function to split a filename into
13046 component directories.
13047 (free_split_directories): New function, release memory allocated
13048 by split_directories.
13049 (make_relative_prefix): New function, make a relative pathname if
13050 the compiler is not in the expected location.
13051 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
13052 can figure out an appropriate prefix from argv[0].
13053 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
13054 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
13055 STANDARD_BINDIR_PREFIX.
13057 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13059 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
13061 * config/c4x/c4x.h: Moved prototypes to c4x.h.
13062 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
13063 c4x_secondary_memory_needed) Delete.
13064 (fp_zero_operand): Add mode argument.
13066 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
13068 * reload1.c (reload_reg_free_for_value_p): Don't use a register
13069 that is in reload_reg_used.
13071 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
13073 * config/arm/arm-protos.h: New file: Prototypes for functions
13074 defined in arm.c and pe.c.
13075 * config/arm/arm.h: Fix compile time warnings.
13076 * config/arm/arm.c: Fix compile time warnings.
13077 * config/arm/pe.h: Fix compile time warnings.
13078 * config/arm/aout.h: Fix compile time warnings.
13080 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
13082 * config/m32r/m32r-protos.h: New file: Prototypes for functions
13085 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
13086 Add support for subtargets.
13087 Add prototypes for new predicates.
13088 Add scheduling macros.
13090 * config/m32r/m32r.c: Fix compile time warnings.
13091 (int8_operand): New predicate function.
13092 (reg_or_cmp_int16_operand): New predicate function.
13093 (extend_operand): New predicate function.
13094 (m32r_adjust_code): New scheduling function.
13095 (m32r_adjust_priorty): New scheduling function.
13096 (m32r_sched_init): New scheduling function.
13097 (m32r_sched_reorder): New scheduling function.
13098 (m32r_sched_variable_issue): New scheduling function.
13099 (direct_return): New codegen function.
13100 (m32r_not_same_reg): New rtl testsing function.
13102 * config/m32r/m32r.md: Fix compile time warnings.
13103 Add support for pre decrement and post increment memory
13105 Add S<cc> patterns.
13108 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13110 * global.c (EXECUTE_IF_CONFLICT): Don't define.
13111 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
13112 (find_reg): Likewise.
13114 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
13116 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
13117 to avoid assembler errors.
13119 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13121 * config/v850/v850-protos.h: New file: Prototypes for functions
13123 * config/v850/v850.h: Move prototypes to v850-protos.h
13124 * config/v850/v850.c: Move prototypes to v850-protos.h
13125 * config/v850/v850.md: Fix compile time warnings.
13127 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13129 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13130 * config/fr30/fr30.c: Fix compile time warnings.
13131 * config/fr30/fr30.md: Fix compile time warnings.
13133 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13135 * tree.h (get_containing_scope): Declare it.
13136 * tree.c (get_containing_scope): New fucntion.
13137 (decl_function_context): Use it.
13138 * toplev.c (rest_of_compilation): Use get_containing_scope.
13140 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13142 * Makefile.in (rtl.o): Depend on toplev.h.
13144 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13146 * cse.c (delete_trivially_dead_insns): Replace alloca with
13148 * except.c (update_rethrow_references): Likewise.
13149 (init_eh_nesting_info): Likewise.
13150 * function.c (identify_blocks): Likewise.
13151 * gcse.c (dump_hash_table): Likewise.
13152 * graph.c (print_rtl_graph_with_bb): Likewise.
13153 * loop.c (combine_movables): Likewise.
13154 (move_movables): Likewise.
13155 (count_loop_regs_set): Likewise.
13156 (strength_reduce): Likewise.
13157 * profile.c (compute_branch_probabilities): New function, split
13159 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13160 * regclass.c (regclass): Likewise.
13161 * regmove.c (regmove_optimize): Likewise.
13162 * toplev.c (compile_file): Likewise.
13163 (main): Don't mess with the stack rlimit.
13165 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13167 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13168 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13170 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13172 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13174 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13176 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13177 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13180 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13182 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13184 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13186 * gcse.c (post_dominators): Kill.
13187 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13188 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13189 pass in a pdom array since we do not need pdoms.
13190 * haifa-sched.c (schedule_insns): Similarly.
13191 * flow.c (compute_dominators): Remove dead function.
13192 (compute_flow_dominators): Do not compute doms or pdoms if the
13193 caller does not request them. Split up loop to build doms and
13194 pdoms. Use a worklist to compute doms and pdoms.
13195 * basic-block.h (compute_dominators): Remove prototype.
13197 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13199 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13200 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13201 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13202 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13203 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13204 (schedule_region): Remove unused variable.
13205 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13207 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13209 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13210 (update_equiv_regs): Likewise.
13211 (block_alloc): Likewise.
13212 * reg-stack.c (reg_to_stack): Likewise.
13213 (convert_regs_2): Likewise.
13214 * reload1.c (reload_as_needed): Likewise.
13216 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13218 * Makefile.in (dbxout.o): Depend on ggc.h.
13219 (dwarf2out.o): Likewise.
13220 (xcoffout.o): Likewise.
13221 * dbxout.c: Include ggc.h.
13222 (dbxout_init): Register lastfile as a root.
13223 * dwarf2out.c: Include ggc.h.
13224 (dwarf2out_line): Register lastfile as a root.
13225 * xcoffout.c: Include ggc.h.
13226 (xcoffout_source_line): Register xcoff_lastfile as a root.
13228 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13230 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13232 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13234 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13236 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13238 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13240 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13241 (EXECUTE_IF_CONFLICT): Likewise.
13242 (ALLOCNO_LIVE_P): Avoid signed division.
13243 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13244 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13245 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13247 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13249 * haifa-sched.c (schedule_block): Don't crash if there's no
13250 next insn for an interblock movement.
13251 (add_branch_dependences): Don't allow clobber insns to move either.
13253 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13255 * i386.c (split_xf): New.
13256 * i386-protos.h: Declare it.
13257 * i386.md (movxf_1): Add general regs alternatives.
13258 (movxf_1+1): New splitter for same.
13260 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13262 * function.c (purge_addressof_1): Add missing return values.
13264 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13266 * function.c (is_addressof): New function. Returns true if
13267 the given piece of RTL is an ADDRESSOF.
13268 (purge_addressof_1): Make boolean. Return false if the
13269 ADDRESSOFs could not be purged.
13270 (purge_addressof): If ADDRESSOFs could not be purged from the
13271 notes attached to an insn, remove the offending note(s),
13272 unless they are attached to a libcall.
13274 1999-11-05 Andreas Jaeger <aj@suse.de>
13276 * genoutput.c (null_operand =): Initialize all fields.
13278 * errors.h: Add extern to prototypes.
13280 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13282 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13283 * configure: Rebuilt.
13285 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13287 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13288 (mirror_conflicts): New function.
13289 (global_alloc): Call it.
13290 (expand_preferences): Remove redundant CONFLICTP test.
13291 (find_reg, dump_conflicts): Likewise.
13292 (prune_preferences): Process conflicts one word at a time.
13294 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13296 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13297 instead of an explicit loop.
13299 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13301 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13302 if REG_RETVAL check succeeds, then put classp in src_elt.
13304 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13306 * function.c (pad_to_arg_alignment): Only update argument_pad
13307 if the argument's alignment is greater than STACK_BOUNDARY.
13309 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13311 * bitmap.h (BITMAP_XFREE): New.
13312 * flow.c (life_analysis): Use it.
13313 (life_analysis_1): Free blocks.
13315 * combine.c (undo_commit): New.
13316 (try_combine): Use it. Don't zap undobuf.undos.
13317 (combine_instructions): Don't zap undobuf.undos; free the
13318 undobuf.frees list.
13320 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13322 * stmt.c (cost_table_): New.
13323 (estimate_case_costs): Use it instead of xmalloc.
13325 * toplev.c (compile_file): Reuse dumpname memory instead
13328 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13330 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13331 after verifying an EH edge.
13333 * haifa-sched.c (init_rgn_data_dependences): Correctly
13334 size bb_pending_lists_length when zeroing.
13336 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13338 * function.c (diddle_return_value): New.
13339 (expand_function_end): Use it.
13340 * stmt.c (expand_null_return): Likewise.
13341 (expand_value_return): Likewise.
13343 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13345 * reload1.c (reload): Don't remove return value clobbers.
13347 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13349 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13351 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13353 * cse.c (cse_main): Use xmalloc, not alloca.
13354 (cse_basic_block): Likewise.
13355 * local-alloc.c (local_alloc): Likewise.
13357 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13358 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13360 * rtl.c: Include toplev.h.
13361 (fatal): Remove declaration.
13363 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13365 * haifa-sched.c (schedule_block): Fix thinko.
13367 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13369 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13370 S_IR* defined values
13372 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13374 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13375 call `malloc' instead.
13377 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13379 * flags.h (flag_renumber_insns): Declare.
13380 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13382 * rtl.h (renumber_insns): Change prototype.
13383 * toplev.c (flag_renumber_insns): Define.
13384 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13386 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13388 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13389 and fpsqrtd. Use them and create fdiv function unit to more
13390 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13391 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13393 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13395 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13397 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13398 insn into ready list, do not use just a raw swap.
13400 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13402 * rtl.h (renumber_insns): New function.
13403 (remove_unnecessary_notes): Likewise.
13404 * emit-rtl.c (renumber_insns): Define.
13405 (remove_unncessary_notes): Likewise.
13406 * toplev.c (rest_of_compilation): Remove dead code.
13407 Use renumber_insns and remove_unncessary_notes.
13409 * gcse.c (struct null_pointer_info): New type.
13410 (get_bitmap_width): New function.
13411 (current_block): Remove.
13412 (nonnull_local): Likewise.
13413 (nonnull_killed): Likewise.
13414 (invalidate_nonnull_info): Take a null_pointer_info as input.
13415 (delete_null_pointer_checks_1): New function.
13416 (delete_null_pointer_checks): Use it.
13418 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13419 (split_edges): Likewise.
13420 (schedule_block): Likewise.
13421 (compute_block_backward_dependencies): Likewise.
13422 (schedule_region): Likewise.
13423 (schedule_insns): Likewise.
13425 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13427 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13428 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13429 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13430 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13431 * jump.c (delete_unreferenced_labels): Don't delete if
13432 LABEL_ALTERNATE_NAME is set.
13433 * print-rtl.c (print_rtx): Dump alternate name.
13434 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13435 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13436 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13437 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13439 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13441 * fix-header.c (recognized_extern, recognized_function): Constify
13444 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13445 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13446 (compute_available): Remove unused variable `last'.
13447 (compute_nearerout): Remove unused variable `temp_bitmap'.
13448 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13449 Remove unused variable `x'.
13451 * scan.h (recognized_function, recognized_extern): Constify a
13454 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13456 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13458 * varasm.c (decode_rtx_const): Use XSTR to access the string
13461 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13463 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13465 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13467 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13469 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13471 * pa.c (ireg_operand): New function.
13472 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13473 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13474 Fix out of date comment.
13476 * pa.md (negdi2): Turn into expander + anonymous pattern.
13478 * reload.c (find_reloads): Fix typos in recent change.
13480 * dwarf2out.c: Do not include ctype.h.
13482 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13484 * regclass.c (record_reg_classes): Always use may_move_cost when
13485 seeing how operand fits with various register classes.
13487 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13489 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13490 * toplev.c: Revert Nov 1 13:22 change.
13492 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13494 * config/pa/pa.md (height reduction patterns): Add checks for
13495 overlapping operands to avoid semantic-destroying splits for
13496 height reduction patterns.
13498 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13500 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13501 have been an hyphen, fixed.
13502 * configure: Rebuilt.
13504 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13506 * config/arm/tpe.h: Add prototypes for exported functions.
13507 * config/arm/pe.c: Fix compile time warnings.
13508 * config/arm/semi.h: Fix compile time warnings.
13509 * config/arm/arm.c: Fix compile time warnings.
13510 * config/arm/arm.h: Fix compile time warnings.
13511 * config/arm/arm.md: Fix compile time warnings.
13512 * config/arm/thumb.c: Fix compile time warnings.
13513 * config/arm/thumb.h: Fix compile time warnings.
13514 * config/arm/thumb.md: Fix compile time warnings.
13516 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13518 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13521 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13522 completely unrolled.
13524 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13526 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13528 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13530 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13531 * rtl.h (rtx_equal_p): Move prototype.
13532 * rtl.c (rtx_equal_function_value_matters): Move from
13534 (rtx_equal_p): Likewise.
13535 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13536 (rtx_equal_p): Likewise.
13538 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13540 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13541 ! HAS_INIT_SECTION.
13543 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13545 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13547 * pa.h (ADDR_VEC_ALIGN): Define.
13549 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13550 notes when presented with "if (foo) break; end_of_loop" and
13551 the break sequence gets moved out of the loop.
13553 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13554 Remove explicit zero initializations of entries within MAP.
13556 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13558 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13560 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13562 * bitmap.h (BITMAP_XMALLOC): New macro.
13563 * flow.c (CLEAN_ALLOCA): Remove.
13564 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13565 (life_analysis): Likewise.
13566 (update_life_info): Don't use CLEAN_ALLOCA.
13567 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13568 (calculate_global_regs_live): Likewise.
13569 (print_rtl_with_bb): Likewise.
13570 (verify_flow_info): Likewise.
13571 * global.c (global_alloc): Likewise.
13572 (global_conflicts): Likewise.
13573 * integrate.c (save_for_inline_nocopy): Likewise.
13574 (expand_inline_function): Likewise.
13575 * jump.c (jump_optimize_1): Likewise.
13576 (duplicate_loop_exit_test): Likewise.
13577 (thread_jumps): Likewise.
13578 * loop.c (loop_optimize): Likewise.
13579 (combine_givs): Likewise.
13580 (recombine_givs): Likewise.
13581 * reorg.c (dbr_schedule): Likewise.
13582 * unroll.c (unroll_loop): Likewise.
13584 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13586 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13588 * toplev.c (rest_of_compilation): Don't optimize the CFG
13589 when rebuilding, just before dbr.
13591 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13593 * output.h (assemble_end_function, assemble_destructor,
13594 assemble_constructor, assemble_gc_entry, assemble_global,
13595 assemble_label, output_constant_pool) Constify a char*.
13597 * varasm.c (assemble_destructor, assemble_constructor,
13598 assemble_gc_entry, assemble_end_function, assemble_global,
13599 assemble_label, output_constant_pool): Likewise.
13601 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13603 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13604 explaining what is goin on in this function.
13606 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13608 * regclass.c (record_reg_classes): In matching case, recompute
13609 costs since the direction of movement is different.
13611 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13613 * resource.c (mark_target_live_regs): For unconditional branches,
13614 the resources found at the branch target should be added to the
13615 resources found so far, not intersected.
13617 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13619 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13621 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13622 (sys/mman.h): Include this file only if #HAVE_MMAP.
13623 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13624 with automatically concatenated ANSI strings.
13626 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13628 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13629 (DIV_ROUND_UP): Robustify.
13630 (ggc_recalculate_in_use_p): New function.
13631 (release_pages): Don't inline it.
13632 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13634 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13635 (clear_marks): Always save in_use_p.
13636 (sweep_pages): Use ggc_recalculate_in_use_p.
13637 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13638 Release pages before counting statistics.
13640 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13642 * toplev.c (rest_of_compilation): Fix thinko in this change:
13644 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13646 (rest_of_compilation): If inside an inlined external function,
13647 pretend we are just being declared.
13649 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13651 * flow.c (calculate_global_regs_live): Fix thinko.
13653 * integrate.c (expand_inline_function): Fix bugs in previous
13654 change from Oct 28, 1999.
13656 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13658 * stmt.c (expand_value_return): Fix typo in this change:
13660 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13661 (expand_value_return): Correctly convert VAL when promoting function
13662 return; support RETURN_REG being a PARALLEL.
13664 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13666 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13668 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13670 * hard-reg-set.h (reg_names): Constify a char*.
13672 * regclass.c (reg_names): Likewise.
13674 * regs.h (reg_names): Likewise
13676 * a29k/a29k.c (reg_names): Delete declaration.
13678 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13680 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13681 arc_output_function_epilogue): Likewise.
13683 * elxsi/elxsi.c (reg_names): Likewise.
13685 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13687 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13690 * m88k/m88k.c (output_function_profiler): Likewise.
13692 * sparc/sparc.c (sparc_flat_output_function_prologue,
13693 sparc_flat_output_function_epilogue): Likewise.
13695 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13697 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13698 warning from -Wuninitialized and put it under -W.
13699 * function.c (uninitialized_vars_warning): Warn only when the
13700 corresponding flag is set.
13702 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13704 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13705 is nonzero and the single set does not have an elt, then assign
13708 * simplify-rtx.c: New file.
13709 * Makefile.in (OBJS): Add simplify-rtx.o
13710 (simplify-rtx.o): Add dependencies.
13711 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13712 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13713 (cse_gen_binary, simplify_unary_operation): Delete.
13714 (simplify_binary_operation, simplify_plus_minus): Likewise.
13715 (check_fold_consts, simplify_relation_operation): Likewise.
13716 (simplify_ternary_operation): Likewise.
13717 (delete_trivially_dead_insns): Simplify the contents of the
13718 REG_EQUAL note before trying to substitute it into the source
13719 of the reg-reg copy at the end of a libcall sequence.
13721 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13722 references/callers changed.
13724 * mn10200.c (mn10200_va_arg): Force the return value into a
13727 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13729 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13732 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13734 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13736 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13738 * fold-const.c (fold): Fix thinko when optimizing comparisons
13741 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13743 * gcc.texi (Passes): Update front-end files to their current
13746 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13748 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13749 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13750 (PREDICATE_CODES): Add addition_operation.
13751 * alpha-protos.h (addition_operation): Declare.
13752 (secondary_reload_class): Likewise.
13753 * alpha.c (addition_operation): New.
13754 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13755 * alpha.md (adddi3): Turn into expander.
13756 (*lda, *adddi_2): New.
13757 (movsf, movdf patterns): Don't preference integer regs.
13758 (movsi, movdi patterns): Don't preference fp regs.
13760 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13762 * genrecog.c (write_switch): Check for duplicate CODE cases.
13764 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13766 * ggc-common.c: Update pre-function commentary.
13767 * ggc-page.c: Likewise.
13769 (poison_pages): Use memset directly.
13770 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13771 (ggc_collect): Poison before sweeping.
13772 * ggc-simple.c: Update pre-function commentary.
13773 (ggc_alloc_obj): Poison non-zeroed memory.
13775 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13777 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13778 match format string, even on 64-bit hosts.
13779 * gcc-page.c (ggc_page_print_statistics): Likewise.
13781 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13783 * config/i386/i386.c (ix86_cpu): Revert last patch.
13784 * config/i386/i386.h (ix86_cpu): Ditto.
13786 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13788 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13789 TYPE_SIZE, convert type of result to sizetype.
13791 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13793 * flow.c (count_or_remove_death_notes): Equate NULL with the
13796 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13797 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13800 * i386.c (pic_label_no): Delete.
13801 (ix86_attr_length_default): Don't use single_set to peek
13804 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13805 the first insn after bb->end.
13806 * i386.md (push mem peeps): Scratch is live after evaluation
13808 (cmp mem peep): Similarly.
13810 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13812 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13813 * function.c (pad_to_arg_alignment): Add missing braces.
13815 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13817 * alpha/alpha-protos.h (literal_section): Add prototype.
13818 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13821 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13823 (alpha_start_function, alpha_end_function, float_strings,
13824 alpha_need_linkage): Constify a char*
13826 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13828 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13830 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13832 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13834 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13836 * flow.c (debug_flow_info): Add prototype.
13838 * gcc.c (main): Likewise.
13840 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13843 * reload1.c (failed_reload, set_reload_reg): Likewise.
13845 * mips-tfile.c (main): Likewise.
13846 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13847 with ATTRIBUTE_NORETURN.
13849 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13851 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13852 DECL is not a memory ref.
13854 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13856 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13857 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13859 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13861 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13862 * config/mips/elf64.h: ditto.
13864 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13866 * expr.c (emit_push_insn): New argument alignment_pad.
13867 Update all callers. Adjust stack pointer based on alignment pad.
13868 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13869 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13870 (locate_and_pad_parm): New argument alignment_pad. Update all
13872 * expr.h (emit_push_insn): Update prototype.
13873 (locate_and_pad_parm): Update prototype.
13874 * calls.c (arg_data): Add new field alignment_pad.
13875 (initialize_argument_information): Initialize alignment_pad.
13877 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13879 * except.c (free_eh_nesting_info): Free the info itself.
13880 * function.c (free_after_compilation): Don't free NULL.
13881 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13882 (pre_edge_insert): Free inserted.
13883 * stmt.c (free_stmt_status): Don't free NULL.
13885 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13887 * gcov.c (DIR_SEPARATOR): Provide default.
13888 (output_data): Add test for MS-DOS format absolute filename.
13889 (fancy_abort): Correct program name.
13890 (open_files): Open all files in binary mode.
13891 * libgcc2.c (__bb_exit_func): Likewise.
13893 * profile.c (init_branch_prob): Specify binary when opening files.
13895 * flags.h (flag_unwind_tables): New decl.
13896 * toplev.c (flag_unwind_table): New definition.
13897 (f_options): Add -funwind-tables.
13898 (decode_g_option): Clarify warning when unknown -g option is given.
13899 (rest_of_compilation): If inside an inlined external function,
13900 pretend we are just being declared.
13902 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13903 (dwarf2out_frame_finish): Likewise.
13905 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13907 * fold-const.c (merge_ranges): If not in0, but in1, handle
13908 upper bounds equal like subset case.
13910 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13912 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13913 passed in a register but moved to the stack.
13915 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13917 * gcc.c (pass_exit_codes, greatest_status): New variables.
13918 (struct option_map): Add entry for "--pass-exit-codes".
13919 (execute): Update greatest_status if error.
13920 (display_help): Add documentation for -pass-exit-codes.
13921 (process_command): Handle -pass-exit-codes.
13922 (main): Look at pass_exit_codes and greatest_status on call to exit.
13924 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13926 * reload.c (find_reloads): Refine test for no input reload
13927 case to not includes reloads emitted after insn.
13929 * function.c (find_temp_slots_from_address): Handle sum involving
13930 a register that points to a temp slot.
13931 (update_temp_slot_address): Make recursive call if both old and
13932 new are PLUS with a common operand.
13933 * calls.c (expand_call): Mark temp slot for result as having
13936 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13938 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13939 component as well as "BINUTILS".
13941 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13942 * integrate.c (copy_rtx_and_substitute): Likewise.
13943 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13944 All callers changed.
13945 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13947 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13948 gdb extensions, write size of type; also be more consistent
13949 in using references when this is a subtype.
13951 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13952 that is out of range.
13954 * loop.c (unknown_constant_address_altered): New variable.
13955 (prescan_loop): Initialize it.
13956 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13957 (invariant_p, case MEM): Remove handling for volatile and readonly;
13958 check new variable if readonly.
13959 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13961 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13962 (addr_affects_sp_p): Removed from note_mem_written and only
13963 define #ifdef AUTO_INC_DEC.
13965 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13967 * regclass.c (record_reg_classes): Properly handle register move
13970 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13971 Don't think valid if both operands are invalid.
13972 (struct constant_descriptor): New field RTL.
13973 (mark_const_hash_entry): Mark it.
13974 (record_constant{,_rtx}): Initialize it.
13975 (output_constant_def): Allocate RTL in permanent obstack and
13977 ({record,compare}_constant_1): Modes must match for
13978 CONSTRUCTOR of ARRAY_TYPE.
13980 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13981 * output.h (initializer_constant_valid_p): Move decl to here.
13982 * c-common.c (initializer_constant_valid_p): Delete function from here.
13983 * varasm.c (initializer_constant_valid_p): Move function to here.
13985 * tree.h (STRIP_SIGN_NOPS): New macro.
13986 * fold-const.c (optimize_minmax_comparison): New function.
13987 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
13988 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
13989 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
13990 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
13991 widening conversions.
13992 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
13993 to look at size of mode, not precision of type; also add missing cases.
13994 (optimize_bit_field_compare, decode_field_reference): Don't try to
13995 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
13997 * dwarf2out.c (ctype.h): Include.
13998 (dwarf2out_set_demangle_name_func): New function.
13999 (size_of_line_info): Deleted.
14000 (output_line_info): Compute size of line info table from difference
14002 (base_type_die, add_name_attribute): Call demangle function, if any.
14003 (field_byte_offset): Use bits per word for variable length fields.
14004 (gen_array_type_die): Add array name.
14005 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
14006 (dwarf2out_add_library_unit_info): New function.
14008 * explow.c (set_stack_check_libfunc): New function.
14009 (stack_check_libfunc): New static variable.
14010 (probe_stack_range): Allow front-end to set up a libfunc to call.
14012 * combine.c (simplify_comparison): When making comparison in wider
14013 mode, check for having commuted an AND and a SUBREG.
14014 (contains_muldiv): New function.
14015 (try_combine): Call it when dividing a PARALLEL.
14016 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
14017 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
14019 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
14020 use one of the CLOBBERs instead.
14021 (if_then_else_cond): If comparing against zero, just return thing
14024 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
14025 Don't generate shifts and subtract if have conditional arithmetic.
14027 * rtl.h (delete_barrier): New declaration.
14028 * jump.c (jump_optimize): Set up to handle conditional call.
14029 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
14030 (delete_barrier): New function.
14032 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
14034 * recog.c (nonmemory_operand): Accept ADDRESSOF.
14036 * tree.c (build_type_attribute_variant): Push to obstack of
14037 ttype around type_hash_canon call.
14039 * expr.c (placeholder_list): Move decl to file scope.
14040 (expand_expr): Don't force access to volatile just because its
14042 If ignoring reference operations, just expand the operands.
14043 (expand_expr, case COMPONENT_REF): Propagate
14044 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
14045 Refine test for using bitfield operations vs pointer punning.
14046 (expand_expr, case CONVERT_EXPR): If converting to
14047 BLKmode UNION_TYPE from BLKmode, just return inner object.
14048 Use proper mode in store_field call.
14049 Properly set sizes of object to store and total size in store_field
14050 call for convert to union.
14051 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
14052 memory (like for ADDR_EXPR). Also, don't put constant in register if
14053 we'll want it in memory.
14054 (readonly_fields_p): New function.
14055 (expand_expr, case INDIRECT_REF): Call it if LHS.
14056 (expand_assignment): Handle a RESULT_DECL where
14057 DECL_RTL is a PARALLEL.
14058 (do_jump, case WITH_RECORD_EXPR): New case.
14059 (get_inner_reference): Always go inside a CONVERT_EXPR
14060 and NOP_EXPR if both modes are the same.
14061 (store_field): Use bitfield operations if size of bitsize is not same
14062 as size of RHS's type.
14063 Check for bitpos not a multiple of alignment in BLKmode case.
14064 Do block move in largest possible alignment.
14065 (store_constructor): Set BITSIZE to -1 for variable size and properly
14066 in case of array of BLKmode.
14067 (expand_expr_unaligned): New function.
14068 (do_compare_and_jump): Call it.
14070 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
14071 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
14072 does not include 'o'.
14074 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
14075 both SET_DEST and SET_SRC reference a virtual register.
14076 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
14078 * integrate.c (expand_inline_function): Handle case of setting
14079 virtual stack vars register (from built in setjmp); when parameter
14080 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
14081 (subst_constant): Add new parm, MEMONLY.
14082 (expand_inline_function, integrate_parm_decls): Pass new parm.
14083 (integrate_decl_tree): Likewise.
14084 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
14085 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
14086 (copy_rtx_and_substitute, case SET): Add explicit calls to
14087 copy_rtx_and_substitute for both sides.
14089 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
14091 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
14092 within INDEX_TYPE, instead of before.
14093 (fixup_gotos): Use f->target_rtl, not the next insn,
14094 since latter may be from a later fixup.
14095 (expand_value_return): Correctly convert VAL when promoting function
14096 return; support RETURN_REG being a PARALLEL.
14097 (expand_return): When checking for result in regs and having
14098 cleanup, consider PARALLEL in DECL_RTL as being in regs.
14100 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
14102 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
14103 last_nominal_fname): Mark const.
14104 (struct include_hash: name, nshort, control_macro): Mark
14106 (struct macrodef: symnam): Mark const.
14107 (struct if_stack: fname): Mark const.
14108 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
14109 (IStable): New character-syntax array which encompasses all
14110 the old is_foo arrays.
14111 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
14112 is_space): New macros for interrogating IStable.
14113 (check_macro_name): Kill last argument. All callers changed.
14115 * cppinit.c (initialize_char_syntax): Delete.
14116 (is_idchar, is_idstart, is_hor_space, is_space,
14117 trigraph_table): Delete.
14118 (IStable): New. Initialize with clever macros to avoid
14119 information duplication.
14120 (builtin_array): Table of builtins to get rid of explicit list
14121 in initialize_builtins.
14122 (initialize_builtins): Use builtins_array.
14123 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14124 opts->dollars_in_ident.
14126 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14128 (cpp_parse_expr): Avoid 'format string is not constant'
14129 warning. Use ISGRAPH to identify printable chars.
14130 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14132 (read_and_prescan): Map trigraphs to chars with open-coded
14133 if-else-if-... sequence, not a lookup table.
14134 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14136 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14137 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14138 (check_macro_name): Remove ability to report an invalid
14139 assertion name, which is never used.
14140 (do_line): Constify a couple of char *'s.
14141 * cppmain.c (main): Call cpp_cleanup before returning.
14143 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14145 * ggc.h (struct ggc_statistics): New type.
14146 (ggc_get_size): New function.
14147 (ggc_print_statistics): Likewise.
14148 * ggc-common.c (ggc_stats): New variable.
14149 (ggc_mark_rtx_children): Keep statistics.
14150 (ggc_mark_tree_children): Likewise.
14151 (ggc_print_statistics): New function.
14152 * ggc-page.c (struct globals): Add bytes_mapped field.
14153 (alloc_anon): Update it.
14154 (release_pages): Likewise.
14155 (ggc_get_size): New function.
14156 (ggc_page_print_statistics): New function.
14157 * ggc-simple.c (ggc_get_size): New function.
14159 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14161 * flow.c (propagate_block): When the last reference to a label
14162 before an ADDR_VEC is deleted because the reference is a dead
14163 store, delete the ADDR_VEC.
14165 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14167 * resource.c (find_free_register): Don't use the frame pointer
14168 if frame_pointer_needed.
14170 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14172 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14173 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14175 * config/i960/i960.c (i960_va_start): New locals base, num.
14176 Use INDIRECT_REF instead of ARRAY_REF on valist.
14177 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14179 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14181 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14183 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14185 * tree.def (PLACEHOLDER_EXPR): Update comments.
14187 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14189 * c-common.c (check_format_info): Avoid non-literal format string
14190 warnings when `first_arg_num' is zero.
14192 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14194 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14196 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14198 * arm.md (casesi_insn): Add a clobber of the condition code
14201 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14203 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14204 used by both cc1 and cc1plus.
14206 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14208 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14209 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14210 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14211 to the value 32 if it has not already been defined.
14212 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14213 Override definition in arm.h with a value of 8.
14215 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14217 * c-pragma.c (push_alignment): Don't check the return value
14220 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14222 * sparc.h (ADJUST_COST): Fix thinko.
14224 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14226 * cccp.c (rescan): Fixed obp pointer handling around call to
14227 check_expand subroutine.
14229 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14231 * gcse.c (delete_null_pointer_checks): Only record non-null info
14232 for pseudos when examining stores.
14234 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14235 splitters for these patterns. Use "#" for output templates.
14236 (addsi3_carryin_shift): New pattern.
14238 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14240 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14241 of the function return register into a plain REG until
14242 after function inlining is done.
14244 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14246 * jump.c (jump_optimize_1): If we did cross-jumping, and
14247 the data will matter, rebuild the CFG.
14248 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14249 not optimizing. Don't run shorten_branches.
14250 * toplev.c (rest_of_compilation): Run shorten_branches after
14253 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14255 * rtl.h (note_stores): Add additional paramter.
14256 * rtlanal.c (reg_set_p_1): Take additional paramter.
14257 (reg_set_last_1): Likewise.
14258 (reg_set_p): Adjust call to note_stores.
14259 (reg_set_last): Likewise.
14260 (note_stores): Pass data parameter to worker function.
14261 * alias.c (record_set): Take additional parameter.
14262 (init_alias_analysis): Pass it.
14263 * caller-save.c (mark_set_regs): Take additional parameter.
14264 (save_call_clobbered_regs): Pass NULL to note_stores.
14265 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14267 (record_dead_and_set_regs_1): Likewise.
14268 (reg_dead_at_p_1): Likewise.
14269 (combine_instructions): Adjust calls to note_stores.
14270 (try_combine): Likewise.
14271 (record_dead_insn): Remove.
14272 (record_dead_and_set_regs): Adjust calls to note_stores.
14273 (reg_dead_at_p): Likewise.
14274 * cse.c (invalidate_skipped_set): Take additional parameter.
14275 (cse_check_loop_start): Likewise.
14276 (cse_check_loop_start_value): Remove.
14277 (cse_set_around_loop): Adjust calls to note_stores.
14278 * flow.c (notice_stack_pointer_modification): Take additional
14279 parameter. Remove duplicate declaration.
14280 (record_volatile_insns): Adjust calls to note_stores.
14281 * gcse.c (record_set_info): Take additional parameter.
14282 (record_last_set_info): Likewise.
14283 (invalidate_nonnull_info): Likewise.
14284 (record_set_insn): Remove.
14285 (compute_sets): Adjust calls to note_stores.
14286 (last_set_insn): Remove.
14287 (compute_hash_table): Adjust calls to note_stores.
14288 (insert_insn_end_bb): Likewise.
14289 (delete_null_pointer_checks): Likewise.
14290 * global.c (mark_reg_store): Take additional parameter.
14291 (mark_reg_clobber): Likewise.
14292 (reg_becomes_live): Likewise.
14293 (global_conflicts): Adjust calls to note_stores.
14294 (build_insn_chain): Likewise.
14295 * integrate.c (note_modified_parmregs): Take additional parameter.
14296 (mark_stores): Likewise. Make it static.
14297 (save_for_inline_nocopy): Adjust calls to note_stores.
14298 (try_constants): Likewise.
14299 * integrate.h (mark_stores): Remove declaration.
14300 * jump.c (mark_modified_reg): Take additional parameter.
14301 (thread_jumps): Adjust calls to note_stores.
14302 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14304 (no_equiv): Likewise.
14305 (reg_is_set): Likewise.
14306 (validate_equiv_mem): Adjust calls to note_stores.
14307 (update_equiv_regs): Likewise.
14308 (block_alloc): Likewise.
14309 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14310 (note_addr_stored): Take additional parameter.
14311 (note_set_pseudo_multiple_uses): Likewise.
14312 (record_initial): Likewise.
14313 (prescan_loop): Adjust calls to note_stores.
14314 (strength_reduce): Likewise.
14315 (check_dbra_loop): Likewise.
14316 * regmove.c (flags_set_1): Take additional paramter.
14317 (mark_flags_life_zones): Adjust calls to note_stores.
14318 * reload1.c (mark_not_eliminable): Take additional parameter.
14319 (forget_old_reloads_1): Likewise.
14320 (reload_cse_invalidate_rtx): Likewise.
14321 (reload_cse_check_clobber): Likewise.
14322 (reload_combine_note_store): Likewise.
14323 (move2add_note_store): Likewise.
14324 (reload): Adjust calls to note_stores.
14325 (reload_as_needed): Likewise.
14326 (emit_reload_insns): Likewise.
14327 (reload_cse_regs_1): Likewise.
14328 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14329 (reload_combine): Adjust calls to note_stores.
14330 * resource.c (update_live_status): Take additional paramter.
14331 (mark_target_live_regs): Adjust calls to note_stores.
14332 * stupid.c (find_clobbered_regs): Take additional parameter.
14333 (stupid_life_analysis): Adjust calls to note_stores.
14335 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14337 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14340 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14343 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14344 of the variable arm_structure_size_boundary.
14346 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14348 * alias.c (init_alias_analysis): Allocate reg_known_value and
14349 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14351 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14352 * cse.c (cse_main): Call end_alias_analysis.
14353 * haifa-sched.c (schedule_insns): Likewise.
14354 * local-alloc. (update_equiv_regs): Likewise.
14355 * reload1.c (reload_cse_regs): Likewise.
14357 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14359 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14360 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14361 mapping from MASK_FPU.
14363 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14365 * sparc.md (call): Don't bound structure return size to 0xfff.
14367 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14369 * resource.c (mark_target_live_regs): Check that the target
14370 insn wasn't created after compute_bb_for_insn.
14372 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14374 * ggc-page.c (poison_pages): Don't be overzealous.
14376 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14378 * alias.c: Update comments for ADDRESS.
14379 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14380 it is a local memory reference.
14382 * c-typeck.c (build_function_call): Check that the built-in
14383 function is of class BUILT_IN_NORMAL before trying to recongize
14384 it as BUILT_IN_ABS.
14385 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14386 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14388 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14390 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14392 (pre_gcse): Likewise.
14393 (hoist_expr_reaches_here_p): Likewise.
14394 (hoist_code): Likewise.
14395 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14397 (pre_expr_reaches_here_p_work): ... here.
14398 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14400 (expr_reaches_here_p_work): ... here.
14402 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14404 * resource.c (find_basic_block): Delete.
14405 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14406 (init_resource_info): Call compute_bb_for_insn.
14408 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14410 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14411 with already adjacent blocks, but no fallthru.
14412 (merge_blocks_move_successor_nojumps): Simplify.
14413 (debug_flow_info): New.
14415 * toplev.c (rest_of_compilation): Open jump1 dump file before
14416 jump and close after, as opposed to just using dump_rtl.
14418 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14420 * reload.h (earlyclobber_operand_p): Declare.
14421 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14422 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14423 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14424 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14426 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14427 Richard Henderson <rth@cygnus.com>
14429 * emit-rtl.c (emit_block_insn_before): New.
14430 (emit_block_insn_after): New.
14431 * basic-block.h: Declare them.
14433 * bitmap.h: Protect from multiple inclusion.
14435 * recog.c (scratch_operand): Handle VOIDmode correctly.
14437 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14439 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14440 * function.c (assign_parms): Likewise.
14441 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14443 * reg-stack.c (max_uid): Remove.
14444 (blocks, block_begin, block_end, block_drops_in): Remove.
14445 (block_stack_in, block_out_reg_set, block_number): Remove.
14446 (struct block_info_def, BLOCK_INFO): New.
14447 (enum emit_where): New.
14448 (current_block): New.
14449 (BLOCK_NUM): Remove.
14450 (mark_regs_pat, record_label_references): Remove.
14451 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14453 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14454 (reg_to_stack): Simplified test for existance of fp code. Use
14455 flow.c code. Call shorten_branches after cross-jump opt.
14456 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14457 Return false if the asm doesn't use stack regs. Don't do life
14458 analysis on the asm.
14459 (emit_pop_insn): Replace function pointer arg `when' with
14460 enum `where'. Update all callers.
14461 (change_stack): Likewise. Update basic block end.
14462 (emit_swap_insn): Use current_block->head to limit reverse search
14463 for start of block. Use emit_block_insn_after.
14464 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14465 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14466 structure assignment instead of bcopy.
14467 (print_stack): New.
14468 (convert_regs_entry, convert_regs_exit): New.
14469 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14470 Work on basic blocks and the CFG.
14471 (convert_regs): Use them.
14473 * i386.c (output_fix_trunc): Remove code for DImode input operand
14474 not at top-of-stack.
14475 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14477 (fix_truncdi_1): Allow any mode scratch.
14479 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14481 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14482 * linux.h, netbsd.h, vms.h: Not here.
14484 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14486 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14487 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14488 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14489 CONDITIONAL_REGISTER_USEAGE): Use them.
14490 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14491 gen_conditional_branch,override_options) : Use them.
14492 * config/mips/mips.md : Use them.
14494 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14496 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14498 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14500 * integrate.c (function_cannot_inline_p): Don't allow inlining
14503 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14505 * c-parse.in (cast_expr): Constify.
14507 * cccp.c (special_symbol): Likewise.
14509 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14511 * dwarf2out.c (base_type_die): Likewise.
14513 * global.c (allocno_compare): Likewise.
14515 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14517 * regclass.c (fix_register): Likewise.
14519 * rtl.h (fix_register): Likewise.
14521 * stupid.c (stupid_reg_compare): Likewise.
14523 * toplev.c (decode_f_option): Likewise.
14525 * tree.c (build_complex_type): Likewise.
14527 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14529 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14531 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14533 * reload.c (find_reloads): Compute mode and nregs fields of all
14535 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14536 (calculate_needs): Use precomputed mode/nregs values.
14537 (allocate_reload_reg): Likewise.
14539 (failed_reload, set_reload_reg): ... new functions.
14540 (choose_reload_regs_init): New function, mostly broken out from...
14541 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14542 Also lose one #if 0 block.
14544 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14546 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14549 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14551 * tree.h (BLOCK_TYPE_TAGS): Remove.
14552 (BLOCK_END_NOTE): Likewise.
14553 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14554 (BLOCK_LIVE_RANGE_START): Likewise.
14555 (BLOCK_LIVE_RANGE_END): Likewise.
14556 (tree_block): Remove live_range_flag, live_range_var_flag, and
14557 type_tags. Remove end_note, live_range_start, and live_range_end.
14558 (remember_end_note): Remove prototype.
14559 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14560 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14562 * ggc-common.c (ggc_mark_tree_children): Don't mark
14563 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14564 * integrate.c (adjust_copied_decl_tree): Remove.
14565 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14566 * stmt.c (last_block_end_note): Remove.
14567 (init_stmt): Don't add a GC root for it.
14568 (expand_fixup): Don't set it.
14569 (remember_end_note): Remove.
14570 (expand_end_bindings): Don't set last_block_end_note.
14572 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14574 * reload1.c (reload_reg_free_for_value_p): Show
14575 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14578 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14580 * expmed.c (extract_bit_field): Allow for the case of non-integer
14581 objects that are smaller than a word (like SFmode on a 64-bit
14584 * loop.c (basic_induction_var): A non-integer variable which is
14585 being set by a paradoxical subreg is probably not a biv.
14587 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14589 * prefix.c (translate_name) Check for empty prefix string.
14591 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14593 * Makefile.in (CPP_CROSS_NAME): New variable.
14594 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14596 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14597 names of the files to be uninstalled.
14599 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14601 * collect2.c (IS_DIR_SEPARATOR): Define.
14602 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14604 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14607 * haifa-sched.c (add_dependence): Update the true dependency
14608 cache the first time we add a true dependence to the LOG_LINKS chain.
14610 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14612 * fold-const.c (fold): Fix comment.
14614 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14616 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14617 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14618 dbxout_start_new_source_file, dbxout_source_file,
14619 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14620 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14622 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14623 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14624 (dbxout_block): Initialize variable `blocknum'.
14626 * dbxout.h (dbxout_init, dbxout_finish,
14627 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14628 dbxout_args, dbxout_source_line): Constify a char*.
14630 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14631 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14632 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14633 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14634 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14635 src_info_attribute, mac_info_attribute, producer_attribute,
14636 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14637 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14638 dwarfout_undef): Constify a char*.
14639 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14641 * dwarfout.h (dwarfout_define, dwarfout_undef,
14642 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14644 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14646 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14647 (MULTILIB_ISA_DEFAULT): New.
14648 (MULTILIB_DEFAULTS): Use it.
14649 * config/mips/mips.c (): Remove the now unnecessary definition
14650 of MIPS_ISA_DEFAULT.
14651 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14652 unnecessary definition.
14654 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14656 * arm.md (pic_load_addr): Add constraints to operand 1.
14658 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14660 * fixinc/genfixes: Provide a means for specifying -D options to
14663 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14665 * arm.c (arm_override_options): Correct initialization of
14666 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14667 arm_is_strong, and arm_is_6_or_7.
14669 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14670 (note_set_pseudo_multiple_uses): New function.
14671 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14672 if a pseudo set in the loop exit is used elsewhere.
14674 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14676 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14678 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14680 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14681 a single load-address pattern.
14683 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14685 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14686 depending on whether or not line-number notes are present.
14688 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14690 * cccp.c (progname, file_buf, default_include, include_file,
14691 macrodef, definition, hashval, wchar_type, user_label_prefix,
14692 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14693 expand_to_temp_buffer, is_system_include, base_name,
14694 absolute_filename, read_name_map, open_include_file,
14695 record_control_macro, check_precompiled, check_preconditions,
14696 pcfinclude, pass_thru_directive, create_definition,
14697 check_macro_name, comp_def_part, collect_expansion,
14698 check_assertion, read_token_list, assertion_install,
14699 assertion_lookup, eval_if_expression, conditional_skip,
14700 validate_else, skip_quoted_string, quote_string, macarg1,
14701 error_from_errno, install, lookup, hashf, dump_defn_1,
14702 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14703 check_white_space, rescan, handle_directive, monthnames,
14704 special_symbol, do_include, remap_include_file, write_output,
14705 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14706 do_ident, do_sccs, do_xifdef, skip_if_group,
14707 output_line_directive, macroexpand, macarg, change_newlines,
14708 initialize_builtins, make_definition): Constify a char*.
14710 * pcp.h (stringdef): Likewise.
14712 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14714 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14717 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14718 Richard Henderson <rth@cygnus.com>
14720 * alias.c: Include ggc.h.
14721 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14722 (record_set): Verify enough room in reg_base_value.
14723 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14724 Register it as a GC root.
14725 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14726 * Makefile.in (alias.o): Depend on ggc.h.
14728 * unroll.c (unroll_loop): Verify the insn before a barrier
14729 is a JUMP_INSN before checking JUMP_LABEL.
14731 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14733 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14734 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14735 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14736 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14737 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14738 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14740 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14742 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14744 * alpha/alpha-interix.h (text_section): Delete prototype.
14745 * alpha/elf.h (text_section): Likewise.
14746 * arm/linux-elf.h (text_section): Likewise.
14747 * arm/linux-telf.h (text_section): Likewise.
14748 * c4x/c4x.h (text_section): Likewise.
14749 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14750 * elfos.h (text_section): Likewise.
14751 * i386/aix386ng.h (text_section): Likewise.
14752 * i386/i386-interix.h (text_section): Likewise.
14753 * i386/sco5.h (text_section): Likewise.
14754 * i386/svr3gas.h (text_section): Likewise.
14755 * nextstep.h (text_section): Likewise.
14756 * psos.h (text_section): Likewise.
14757 * ptx4.h (text_section): Likewise.
14758 * svr3.h (text_section): Likewise.
14759 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14761 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14763 * final.c (peephole): Delete prototype.
14765 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14766 (pre_insert_copies): Remove unused variable `bb'.
14768 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14771 * output.h (peephole): Add prototype.
14773 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14775 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14778 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14780 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14781 for inlined declarations.
14783 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14785 * arm.c (logical_binary_operator): New fucntion.
14786 * arm.h (logical_binary_operator): Declare it.
14787 (PREDICATE_CODES): Handle logical_binary_operator.
14788 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14789 output constraints. Add appropriate splitters.
14790 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14791 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14792 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14794 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14796 * genoutput.c (struct operand_data): New elt eliminable.
14797 (output_operand_data): Write it.
14798 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14799 (compare_operands): Take it into account.
14800 * recog.h (struct insn_operand_data): New elt eliminable.
14801 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14803 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14804 (eliminate_regs): Move code that detects changes to elimination
14805 target regs into new function elimination_effects.
14806 Delete one #if 0 block.
14807 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14808 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14809 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14810 Only call eliminate_regs for real operands of the insn, not for parts
14811 of its structure or parts matched by things like match_operator.
14812 Use elimination_effects and check_eliminable_occurrences. Use
14813 copy_insn to duplicate the pattern when not in the final pass.
14815 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14817 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14820 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14822 * fixinc/README: document the "mach" machine matching test
14823 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14824 * fixinc/fixtests.c: Implement the #else/#endif label test
14825 * fixinc/inclhack.def: utilize these tests and fixes
14826 * fixinc/inclhack.sh: regen
14827 * fixinc/fixincl.x: regen
14828 * fixinc/fixincl.sh: regen
14830 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14832 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14835 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14837 * gcc.1: Document exit codes.
14839 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14841 * calls.c: Include tm_p.h later, so everything we need is defined.
14842 * expr.c: Likewise.
14843 * function.c: Likewise.
14845 * except.c: Include tm_p.h.
14847 * sparc.c: Likewise.
14848 (dwarf2out_cfi_label): Don't prototype.
14849 (check_return_regs, epilogue_renumber,
14850 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14851 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14852 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14853 ultra_schedule_insn): Add static prototype.
14854 (data_segment_operand, text_segment_operand): Call itself with the
14855 proper number of arguments.
14856 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14858 * sparc.h: Move all declarations to sparc-protos.h.
14859 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14862 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14864 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14866 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14867 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14868 ASM_OUTPUT_ASCII): Constify a char*.
14870 * sparc-protos.h: New file for sparc prototypes.
14872 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14874 * function.c (record_insns, contains): Always declare and define.
14875 (record_insns): Mark with ATTRIBUTE_UNUSED.
14877 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14879 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14880 to .section when outputting a .bss section to deal with multiple
14881 .bss input sections (as happens with -fdata-sections)
14882 Also output %progbits, not @progbits so the assembler doesn't treat as
14884 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14886 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14887 thumb parts even when building with non-thumb CPUs, by forcing
14890 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14892 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14893 (movdf_const_intreg_sp64): Similarly.
14895 * local-alloc.c (update_equiv_regs): Check the correct insn
14896 for pre-existing REG_EQUIV notes.
14898 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14900 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14901 block reached by a branch if we're not going to actually process
14904 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14906 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14907 a local extern function declaration.
14909 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14911 * i386.c (ix86_expand_prologue): Properly wrap USE around
14912 reg for CALL_INSN_FUNCTION_USAGE.
14914 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14916 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14917 move between GP_REGs.
14919 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14921 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14922 the mode size when finding out if an offset is legal.
14924 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14926 * basic-block.h (PROP_*): Move constants from ...
14927 * flow.c: ... here.
14928 (compute_bb_for_insn): Free the array before reallocating.
14929 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14930 (allocate_reg_life_data): Reset all reg variables collected by
14932 (get_block_head_tail): Don't convert from bb to block.
14933 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14934 (find_insn_reg_weight): Take block not bb.
14935 (schedule_block): Don't set block num for moved insns.
14936 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14937 (schedule_insns): Do it here instead.
14938 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14939 before update_life_info.
14940 * recog.c (split_all_insns, peephole2_optimize): Update for
14941 new arg to update_life_info.
14942 * rtlanal.c (remove_note): Cope with NULL note.
14943 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14946 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14948 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14950 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14951 block records so that merge_blocks_nomove will clean up correctly.
14952 (split_edge): Handle casesi insns.
14954 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14956 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14958 * pa.md (call, call_value): Do not emit a blockage after restoring
14961 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14963 * c-typeck.c (c_expand_asm_operands): Fix typo.
14965 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14967 * arm.c (fpu_rhs_operand): Verify modes.
14968 (fpu_add_operand): Likewise.
14969 (di_operand): Likewise.
14970 (soft_df_operand): Likewise.
14972 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14974 * arm.c (arm_return_in_memory): APCS rules state that the elements
14975 of a structure returned in a register must be 'integer-like'.
14977 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14979 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14980 in the source tree when the generated targets are out of date
14981 * fixinc/genfixes: Alter it to run individual fixes for make.
14982 * fixinc/README: rewrite
14983 * fixinc/inclhack.def: moved initial comments to README
14985 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
14987 * toplev.c (main): Do not generate an error message if an
14988 unrecognised command line switch is recognisable by another
14989 language. If extra_warnings are enabled, then generate a
14990 warning message instead.
14992 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
14994 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
14995 (insert_pack_attributes): Delete prototype.
14997 * c-pragma.c (default_alignment): New static variable.
14998 (push_alignment): Initialize to current effective alignment.
14999 (pop_alignment): Use to set new alignment.
15000 (insert_pack_attributes): Delete function.
15001 (handle_pragma_token): Set default_alignment as well each time
15002 a #pragma pack(<n>) is encountered.
15004 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
15006 * reg-stack.c (stack_result): Aggregates are not returned in
15009 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15011 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
15013 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
15015 * basic-block.h (set_block_num): Declare.
15016 * flow.c (update_life_info): Don't call compute_bb_for_insn
15017 or free_basic_block_vars.
15018 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
15019 (insn_orig_block): Remove.
15020 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
15021 (schedule_block): Keep BLOCK_NUM up-to-date.
15022 (schedule_insns): Use compute_bb_for_insn.
15023 * recog.c (split_all_insns): Likewise.
15024 (peephole2_optimize): Likewise.
15026 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
15028 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
15029 if the pic register is used.
15031 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15033 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
15034 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
15035 if that tests TREE_PERMANENT.
15037 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
15039 * cse.c (invalidate_for_call): Do not remove memory references from
15040 the table here. It's handled elsewhere.
15042 * haifa-sched.c (add_dependence): Protect references to the
15043 true dependency cache with #ifdef INSN_SCHEDULING.
15044 (remove_dependence): Similarly.
15046 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
15047 to the cfg code that this is a return instruction.
15048 * mn10300.md (return_internal): Similarly.
15050 * combine.c (get_last_value): If the last set of a register
15051 is after subst_low_cuid, then we can not use it to determine
15052 the register's last value.
15054 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15056 * Makefile.in: Back out previous change.
15058 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
15060 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
15062 * haifa-sched.c (add_dependence): Only check/update the cache
15064 (remove_dependence): Likewise.
15065 (schedule_insns): Only create the true_dependency_cache if the
15066 average number of instructions in a basic block is very large.
15068 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15070 * Makefile.in (ggc-common.o): Depend on genrtl.h.
15071 (ggc-simple.o): Likewise.
15072 (ggc-page.o): Likewise.
15074 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
15076 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
15077 Prototype for exported functions.
15078 (pre_lcm, pre_rev_lcm): Remove prototypes.
15079 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
15080 (compute_available): Move to lcm.c, and change parameter order.
15081 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
15082 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
15083 (gcse_main): No longer call compute_preds_succs. Rebuild the
15084 set table after reach pre pass.
15085 (pre_insert_map, pre_delete_map, edge_list): New.
15086 (alloc_pre_mem): Allocate edge vectors.
15087 (free_pre_mem): Delete edge vectors.
15088 (compute_pre_data): Call new edge based lcm routines.
15089 (process_insert_insn): New function.
15090 (insert_insn_end_bb): Use it.
15091 (pre_edge_insert): New function.
15092 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
15094 (pre_insert_copies): Revamp using new edge based lcm outputs.
15095 (pre_delete): Likewise.
15096 (one_pre_gcse_pass): Insert & remove fake edges to the exit
15098 (compute_code_hoist_vbeinout): New new edge based routines.
15099 * lcm.c: Remove all the old LCM functions. Replace with new ones
15100 that work with the new cfg datastructures and work with edges
15103 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15105 * reload.h (struct reload): Add new fields "mode" and "nregs".
15106 * reload1.c: Change all occurrences of reload_mode and reload_nregs
15107 to reference the "mode" and "nregs" field within struct reload.
15109 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
15111 * haifa-sched.c (true_dependency_cache): New.
15112 (add_dependence): Use the true dependency cache to avoid expensive
15113 walks down the LOG_LINKS dependency list. Add entries to the
15114 cache as necessary.
15115 (remove_dependence): Remove entries from the true dependency cache
15117 (schedule_insns): Allocate and initialize and free the true
15120 * haifa-sched.c (schedule_insns): Do not remove inter-block
15121 dependencies anymore.
15123 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15125 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15126 * i386/t-winnt: Likewise.
15128 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15130 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15132 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15134 * Makefile.in (LANGUAGES): Omit "proto".
15135 (clean): Remove stale comment about removing unprotoize.c.
15137 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15139 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15140 using arithmetic on void pointers.
15142 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15144 * haifa-sched.c (compute_block_forward_dependencies): Only check
15145 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15147 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15149 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15150 (expr_equiv_p): Reject memories with different alias sets.
15152 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15154 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15155 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15156 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15157 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15158 (lang_init): Set default for flag_bounds_check if still "unspecified".
15160 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15162 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15164 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15166 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15169 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15171 * config/c4x/c4x.md (*db_noclobber,
15172 *decrement_and_branch_until_zero_noclobber): New patterns and
15173 associated splitters.
15175 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15177 * config/c4x/c4x.md (parallel instruction patterns): Rework
15178 constraints to keep reload happy.
15180 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15182 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15183 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15184 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15185 Add new patterns and associated post-reload splitters.
15187 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15189 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15191 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15193 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15195 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15197 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15199 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15202 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15204 * pa.c (move_operand): Rely on memory_address_p to determine the
15205 validity of non-indexed memory addresses.
15206 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15207 operand in DFmode and SFmode when generating PA2.0 code.
15209 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15211 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15213 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15215 * mips.c (function_prologue): Fix argument types.
15216 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15217 (casesi_internal): Write to the scratch register.
15219 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15221 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15223 (parse_charconst): Delete unnecessary cast when calling
15225 (cpplib.h): Kill prototype of cpp_parse_escape.
15227 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15229 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15230 * unroll.c (unroll_loop): Cast return value of alloca.
15231 * i370/i370.c: Include function.h and toplev.h.
15232 (i370_label_scan): Remove c++ commented abort.
15233 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15234 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15235 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15236 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15238 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15240 * config/t-freebsd: Do not override USER_H.
15241 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15243 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15244 Mumit Khan <khan@xraylith.wisc.edu>
15246 * c-parse.in (component_decl): Support anonymous struct/union.
15248 * c-parse.y: Regenerate.
15249 * c-parse.c: Likewise.
15250 * objc/objc-parse.y: Likewise.
15251 * objc/objc-parse.c: Likewise.
15252 * c-decl.c (finish_struct): Don't sort the fields.
15253 (field_decl_cmp): Delete unused function.
15255 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15257 * sparc.md (movsf_const_intreg): Revert last constraint change.
15258 (movdf_const_intreg_sp32): Likewise.
15260 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15262 * cse.c: Include hashtab.h instead of splay-tree.h
15263 (struct cse_reg_info): No longer use variant union. Add new
15264 field "regno". All references changed to avoid union.
15265 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15266 (free_cse_reg_info): Remove.
15267 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15268 (get_cse_reg_info): Revamp to use expandable hash tables instead
15269 of splay trees. Initialize new fields in cse_reg_info structure.
15270 (new_basic_block): Similarly.
15272 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15274 * genrecog.c (message_with_line): Prototype.
15275 (validate_pattern): Pass along the set for the dest, not a flag.
15276 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15277 Check for PC/CC0 as sources.
15278 (nodes_identical): Check for children position match before
15279 allowing the combination.
15281 * rtl.c (read_rtx): Track line number across \\\n.
15283 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15285 * mips.h (SPECIAL_MODE_PREDICATES): New.
15286 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15287 (movdi+1, movsi+1): Add output reload constraint.
15288 (casesi_internal): Likewise. Fix commentary.
15289 (return_internal): Use pmode_register_operand.
15291 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15293 * 1750a.md (movstrqi): Add missing output reload constraint.
15294 (call_value): Likewise.
15295 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15296 (jmpfdec): Add missing inout reload constraint.
15297 * elxsi.md (addsi patterns): Add missing output reload constraint.
15298 (move from sp): Use @ alternates.
15299 (call_value): No constraint on output.
15300 * fr30.md (movsi_pop): Add missing output reload constraint.
15301 (movsf_constant_store): Likewise.
15302 (splits): Remove constraints.
15303 (subsi3): Add missing mode.
15304 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15305 (call_value): Likewise.
15306 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15307 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15308 * m32r.md (movsicc_internal): Add output reload constraint.
15309 (movstrsi_internal): Add inout reload constraints.
15310 * m88k.h (reg_names): Don't declare.
15311 (SPECIAL_MODE_PREDICATES): New.
15312 * m88k.md (*): Use register_operand not reg_or_0_operand
15314 * mn10200.h (PREDICATE_CODES): New.
15315 * ns32k.md (ffs pattern): Add output reload constraint.
15316 * pdp11.md (sob pattern): Add inout reload constraint.
15317 * sh.md (splits): Remove constraints.
15318 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15319 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15320 * vax.md (jgequ pattern): Add inout reload constraint.
15322 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15324 * configure.in (djgpp): Revert previous patch.
15325 * configure: Rebuit.
15326 * config/i386/djgpp.h: Revert previous patch.
15328 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15330 * fixinc/inclhack.def: Restore patch lost during last merge of
15331 "no_bogosity" branch.
15332 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15334 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15336 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15337 * fixinc/inclhack.def: Same.
15338 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15340 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15342 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15343 as the base of a PLUS.
15345 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15347 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15348 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15350 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15352 * pa.md (post_stw+1): Use pmode_register_operand.
15353 (dcacheflush, icacheflush): Likewise.
15355 * i386.md (movstricthi_1): Allow r/r.
15357 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15359 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15360 to (not (and (arg0) (arg1))). Similary for and.
15362 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15363 fallthrough to associate code.
15364 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15367 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15368 no bits in common; remove XOR to ROTATE conversion.
15370 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15372 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15374 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15376 * config/c4x/c4x.c (dst_operand): New.
15377 (PREDICATE_CODES): Update.
15378 * config/c4x/c4x.h (dst_operand): Declare it.
15379 * config/c4x/c4x.md: Define mode for each unspec usage.
15380 (move patterns): Use dst_operand predicate instead of src_operand.
15381 (movqi_update, movqf_update): Delete.
15383 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15385 * recog.c (pmode_register_operand): New.
15386 * recog.h: Declare it.
15387 * genrecog.c (pred_codes): Likewise.
15388 (special_mode_pred_table): Likewise.
15389 (validate_pattern): Don't warn no mode for address_operand.
15391 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15392 if the operand is not insn-like.
15394 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15395 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15397 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15399 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15401 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15402 instead of general_operand in a SET_DEST. Use const_double_operand
15403 instead of an explicit test against CONST_DOUBLE.
15404 (movsf_const_lo): Add missing register mode.
15405 (goto_handler_and_restore): Add auxiliary test for Pmode.
15406 (flush): Adjust to use address_operand.
15407 (return_sf_no_fpu): Add missing output constraint.
15409 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15411 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15412 for call return value.
15413 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15415 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15417 * toplev.c (main): Only warn about options for other languages.
15418 * collect2.c (main): Pass -w to sub-gcc.
15420 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15422 * flow.c (propagate_block): Add call-clobbered registers to
15425 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15426 zapping mem_set_list.
15427 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15428 (mark_set_1, mark_used_regs): Likewise.
15430 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15432 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15434 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15436 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15437 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15438 options. Also add a new item "C-only Warning Options" to the
15441 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15443 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15444 from multiple calls.
15446 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15448 * i386.md (call value patterns): Move to the end of the file.
15449 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15451 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15453 * configure.in (djgpp configuration): Define extra_objects..
15454 * configure: Rebuilt.
15455 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15456 (DTORS_SECTION_ASM_OP): Define.
15457 (INIT_SECTION_ASM_OP): Define.
15458 (FINI_SECTION_ASM_OP): Define.
15459 (DATA_SECTION_ASM_OP): Define.
15460 (TEXT_SECTION_ASM_OP): Define.
15461 (EH_FRAME_SECTION_ASM_OP): Define.
15462 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15463 (STARTFILE_SPEC): Add crtbegin.o.
15464 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15465 to here from LINK_COMMAND_SPEC.
15466 (DO_GLOBAL_CTORS_BODY): Define.
15467 (CRTSTUFF_USE_FINI_SECTION): Define
15468 (HAS_INIT_SECTION): Delete.
15470 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15472 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15474 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15476 * pa.h (PREDICATE_CODES): New.
15478 * genrecog.c (validate_pattern): Condense the destination
15479 non-lvalue message.
15481 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15483 * alpha.md (call-1): Supply missing mode for operator.
15484 (*): Add missing output reload constraints. Remove constraints
15485 from define_splits.
15487 * i386.h (SPECIAL_MODE_PREDICATES): New.
15488 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15489 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15490 (addsi_lea_3): Add missing mode for op 3.
15491 (prologue_set_got, prologue_get_pc): Add missing modes.
15492 (*) Add missing output reload constraints.
15494 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15496 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15497 check for member bit-size overflow and use var_size if it occurs.
15498 (layout_record): Use bitsize_int() to define the type size in bits.
15499 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15500 (layout_decl): Likewise when assigning to DECL_SIZE.
15502 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15504 * genrecog.c (validate_pattern): Typo last change. Verify
15505 that output operands have output reloads.
15507 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15509 * genrecog.c (special_mode_pred_table): New.
15510 (NUM_SPECIAL_MODE_PREDS): New.
15511 (find_operand): New.
15512 (validate_pattern): New argument `insn'. Warn for assignment to
15513 any predicate accepting non-lvalues. Conditionaly warn for
15514 match_operand without a mode. Try much harder to match source
15515 and destination modes on a set.
15516 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15518 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15520 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15522 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15524 * combine.c (simplify_logical): Recognize xor pattern that encodes
15527 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15529 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15532 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15534 * ggc-page.c (MAP_FAILED): Provide default.
15536 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15538 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15539 * sparc.h (PREDICATE_CODES): Update.
15541 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15543 * alpha.c (some_ni_operand): New.
15544 * alpha-protos.h: Declare it.
15545 * alpha.h (PREDICATE_CODES): Update.
15546 * alpha.md (sXaddq reload insns): Use some_ni_operand
15547 for SET_DEST instead of some_operand.
15549 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15550 Jim Wilson <wilson@cygnus.com>
15552 * genrecog.c (maybe_both_true_2): Don't compare modes of
15554 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15555 after find_afterward.
15556 (debug_decision_1): Dump next and afterward codes.
15558 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15560 * rtl.c (dump_and_abort): Remove.
15561 (fatal_with_file_and_line): New.
15562 (fatal_expected_char): New.
15563 (read_rtx_lineno, read_rtx_filename): New.
15564 (read_skip_spaces): Track line number.
15565 (read_name): Use fatal_with_file_and_line.
15566 (read_rtx): Use fatal_expected_char. Track line number.
15567 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15569 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15570 if it isn't a CODE_LABEL.
15572 * genattr.c (main): Set read_rtx_filename.
15573 * genattrtab.c (main): Likewise.
15574 * gencodes.c (main): Likewise.
15575 * genconfig.c (main): Likewise.
15576 * genemit.c (main): Likewise.
15577 * genextract.c (main): Likewise.
15578 * genflags.c (main): Likewise.
15579 * genopinit.c (main): Likewise.
15580 * genoutput.c (main): Likewise.
15581 * genpeep.c (main): Likewise.
15583 * genrecog.c (decision_test.u.insn): Add `lineno'.
15584 (pattern_lineno, error_count): New variables.
15585 (message_with_line): New.
15586 (add_to_sequence): Break out checking code to ...
15587 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15588 (merge_insn): Use message_with_line.
15589 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15590 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15592 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15594 * expr.c (store_constructor): Clear union if constructor is empty.
15596 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15598 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15599 Add !endian checks. Change %{...} to %(...).
15601 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15603 * i386.md (*addsi3_cc): Renamed from addcsi3.
15604 (*addsi3_carry): Renamed from addxsi3.
15605 (*subsi3_cc): Renamed from subcsi3.
15606 (*subsi3_carry): Renamed from subxsi3.
15607 (*xorqi_cc_1): Renamed from xorcqi_1.
15608 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15609 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15611 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15613 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15614 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15616 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15618 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15619 climb up the chain of insns.
15621 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15623 * genrecog.c (write_subroutine): Careful for null trees.
15624 (process_tree): Don't elide empty functions.
15626 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15628 * Makefile.in (genrtl.o): Depend on ggc.h.
15629 * configure.in (valloc): Probe for it.
15630 (with-gc): Use ggc-page if valloc present.
15631 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15632 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15633 (ggc_alloc_string): Moved from ggc-page.c.
15634 * ggc-none.c (ggc_alloc_obj): New.
15635 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15636 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15637 (struct globals): Likewise for dev_zero_fd.
15638 (init_ggc): Likewise for it's initialization.
15639 (ggc_allocated_p): Move careful dereference from ...
15640 (ggc_lookup_page_table): ... here. Delete.
15641 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15642 (alloc_anon): Use valloc if no mmap.
15643 (release_pages): Use free if using valloc.
15644 (ggc_alloc_obj): Renamed from alloc_obj.
15645 (ggc_set_mark): Renamed from mark_obj.
15646 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15647 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15648 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15649 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15650 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15651 (ggc_collect): Use fp printing instead of our own rounding.
15652 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15653 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15654 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15655 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15656 (struct ggc_string, struct ggc_any): Delete.
15657 (offsetof): Provide default definition.
15658 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15660 (struct ggc_mem): New, from corpse of ggc_any.
15661 (struct ggc_status): Delete.
15662 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15663 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15664 (n_strings_collected, n_anys_collected): Delete.
15665 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15666 (ggc_alloc_string, ggc_alloc): Delete.
15667 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15668 (ggc_free_string, ggc_free_any): Delete.
15669 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15670 (ggc_compare_addresses, ggc_mark_string): Delete.
15671 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15672 (search_data): Delete.
15673 (struct globals): New.
15674 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15675 (tree_insert, tree_lookup): New.
15676 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15677 (clear_marks, sweep_objs): New.
15678 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15679 (init_ggc): Set allocated_last_gc.
15680 (ggc_push_context): Gut. Use G.context.
15681 (ggc_pop_context): Likewise.
15682 (ggc_pop_context_1): New.
15683 (debug_ggc_tree): New.
15684 (debug_ggc_balance, tally_leaves): New.
15685 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15686 (ggc_mark_string_if_gcable): Remove decl.
15687 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15688 (ggc_mark_rtvec_children): New.
15689 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15690 (ggc_mark_if_gcable): New decl.
15691 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15692 (ggc_alloc_tree, ggc_alloc): Likewise.
15693 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15694 (ggc_alloc_obj): New decl.
15695 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15696 (ggc_alloc_tree, ggc_alloc): Likewise.
15697 (ggc_set_mark): New decl.
15698 * rtl.h (struct rtx_def): Remove gc_mark.
15699 (struct rtvec_def): Likewise.
15700 * tree.h (struct tree_common): Likewise.
15702 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15704 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15705 float_format and thread_file definitions.
15706 * configure: Rebuilt.
15708 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15710 * extend.texi (Function Names): Document types of function names.
15712 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15714 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15715 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15717 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15719 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15721 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15723 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15725 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15727 * collect2.c (main): Do prelimnary link on AIX if rflag.
15729 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15731 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15732 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15734 (__do_global_dtors): similarly for __DTOR_LIST__.
15736 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15737 Diego Novillo <dnovillo@cygnus.com>
15739 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15742 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15744 * fixincl/*: Merged "no_bogosity" branch
15745 * fixincl/fixlib.h: protect against doubly defining t_bool
15746 * fixincl/server.h: protect against doubly defining t_bool
15748 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15750 * genoutput.c: Include toplev.h.
15752 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15754 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15756 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15757 * configure: Regenerate.
15759 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15761 * gcse.c (delete_null_pointer_checks): Returns void.
15763 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15765 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15766 * emit-rtl.c (copy_insn_1): Likewise.
15768 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15770 * config/mips/mips.c (mips_build_va_list): Correct
15771 TREE_CHAIN setting when hard-float.
15772 (mips_va_start): Use corrected setting.
15773 (mips_va_arg): Likewise. Also pass a tree to build of
15774 POSTINCREMENT_EXPR rather than a naked 'int'.
15776 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15778 * ggc.h (ggc_push_context): Fix comment.
15779 (ggc_pop_context): Likewise.
15780 (mark_string_if_gcable): Likewise.
15781 * ggc-common.c (ggc_mark_rtx_children): Use
15782 ggc_mark_string_if_gcable.
15783 * ggc-page.c (ggc_lookup_page_table): New function.
15784 (ggc_allocated_p): Likewise.
15785 (mark_obj): Fix formatting.
15786 (ggc_mark_string_if_gcable): New function.
15787 * ggc-simple.c (ggc_allocated_strings): New variable.
15788 (ggc_strings_used): Likewise.
15789 (ggc_compare_addresses): New function.
15790 (ggc_pop_context): Pop the `any' memory too.
15791 (ggc_mark_string_if_gcable): New function.
15792 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15794 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15796 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15797 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15798 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15801 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15803 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15804 (sched_reg_live_length, sched_reg_basic_block): Delete.
15805 (current_block_num, bb_live_regs, old_live_regs): Delete.
15806 (dead_notes, struct sometimes): Delete.
15807 (sched_note_set, birthing_insn_p): Delete.
15808 (adjust_priority): Gut useless reg lifetime code.
15809 (create_reg_dead_note, attach_deaths): Delete.
15810 (attach_deaths_insn, new_sometimes_live): Delete.
15811 (finish_sometimes_live): Delete.
15812 (find_pre_sched_live, find_post_sched_live): Delete.
15813 (update_reg_usage): Delete.
15814 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15815 (schedule_insns): Delete reg lifetime code.
15816 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15817 (unlink_other_notes): Adjust REG_NOTE commentary.
15818 (reemit_notes): Use REG_SAVE_NOTE.
15819 (schedule_block): Likewise.
15820 (schedule_region): Allocate bitmap of blocks in region. Use
15821 count_or_remove_death_notes. Use update_life_info.
15823 * rtl.h (REG_SAVE_NOTE): New.
15824 * rtl.c (reg_note_name): Update.
15826 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15828 * combine.c (refresh_blocks, need_refresh): New.
15829 (combine_instructions): Allocate refresh_blocks. Invoke
15830 update_life_info if needed.
15831 (distribute_notes): Mark refresh_blocks instead of installing
15833 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15834 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15836 * Makefile.in (recog.o): Depend on basic-block.h.
15838 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15840 * genrecog.c (add_to_sequence): Thinko last change: delete
15841 shadowing allow_const_int variable.
15843 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15845 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15846 __GNUC__ and __GNUC_MINOR__.
15848 * gansidecl.h: Likewise.
15854 * toplev.h: Likewise.
15856 * tree.c: Likewise.
15858 * tree.h: Likewise.
15860 * varray.c: Likewise.
15862 * varray.h: Likewise.
15864 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15866 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15867 use one before a jump table.
15869 * rtl.def (ADDRESS): Change documentation to match reality.
15870 * md.texi: Don't document it.
15871 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15874 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15876 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15878 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15879 known predicate block; default allow_const_int true.
15880 (debug_decision_list): New.
15882 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15884 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15886 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15888 * gcse.c (gcse_main): Avoid global optimizations if we have a
15889 large number of basic blocks and the ratio of edges to blocks
15891 (delete_null_pointer_checks): Likewise.
15893 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15895 * c-common.c (check_format_info): Warn if format string isn't a
15898 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15900 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15901 * configure: regenerate
15903 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15905 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15906 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15907 (peepholes): Re-enable.
15909 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15911 * Makefile.in (flow.o): Depend on TREE_H.
15912 * basic-block.h (REG_SET_EQUAL_P): New.
15913 (XOR_REG_SET): New.
15914 (n_edges): Declare.
15915 (free_regset_vector): Remove declaration.
15916 (flow_delete_insn_chain): Declare.
15917 (enum update_life_extent): New.
15918 (update_life_info, count_or_remove_death_notes): Declare.
15919 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15920 Verify register live at bb->global_live_at_start before adding USE.
15921 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15922 (CLEAN_ALLOCA): New.
15924 (PROP_*): New flags.
15925 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15926 (clear_edges): Zero n_edges.
15927 (make_edge): Increment n_edges.
15928 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15929 (flow_delete_insn_chain): Export.
15930 (delete_block): Decrement n_edges.
15931 (merge_blocks_nomove): Likewise.
15932 (life_analysis): Give life_analysis_1 PROP flags.
15933 (verify_wide_reg_1, verify_wide_reg): New.
15934 (verify_local_live_at_start): New.
15935 (update_life_info): Rewrite to call into propogate_block.
15937 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15938 always mark stack pointer. Conditionally mark PIC register.
15939 After reload, mark call-saved registers, return regsiters.
15940 (life_analysis_1): Accept PROP flags not remove_dead_code.
15941 Call mark_regs_live_at_end before zeroing regs_ever_live.
15942 Use calculate_global_regs_live. Copy global_live_at_end before
15943 calling final propagate_block. Zero reg_next_use on exit.
15944 (calculate_global_regs_live): New.
15945 (allocate_bb_life_data): Don't allocate bb->local_set.
15946 (init_regset_vector, free_regset_vector): Remove.
15947 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15948 Test flags before every operation. Warn if prologue/epilogue insn
15949 would have been deleted.
15950 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15951 Use alloc_EXPR_LIST.
15952 (mark_used_regs): Accept and use FLAGS, not FINAL.
15953 Remove special handling for RETURN.
15954 (try_pre_increment): Use alloc_EXPR_LIST.
15955 (dump_flow_info): Dump n_edges.
15956 (unlink_insn_chain, split_hard_reg_notes): Remove.
15957 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15958 (find_insn_with_note, new_insn_dead_notes): Remove.
15959 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15960 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15961 (replace_insns): Remove.
15962 (count_or_remove_death_notes): New.
15963 (verify_flow_info): Abort on error after all checks.
15964 (remove_edge): Decrement n_edges.
15965 (remove_fake_edges): Tweek format.
15966 * haifa-sched.c (schedule_insns): Use split_all_insns.
15967 * output.h (update_life_info): Remove declaration.
15968 * recog.c (split_all_insns): From the corpse of split_block_insns,
15969 do the whole function block by block. Use update_life_info.
15970 (recog_last_allowed_insn): New.
15971 (recog_next_insn): Mind it.
15972 (peephole2_optimize): Set it. Walk backwards through blocks.
15973 Use update_life_info.
15974 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15975 (split_all_insns): Declare.
15976 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15977 Use split_all_insns.
15979 * i386.md (or -1 peep2s): Disable.
15981 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15983 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15984 a single pattern. Scrap the 'd' versions as unnecessary.
15986 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
15987 tablejump_mips162,tablejump_internal4): The operands to a
15988 label_ref must be VOIDmode.
15990 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15992 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
15994 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
15996 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
15998 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16000 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
16001 cache every function if ggc_p.
16003 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16005 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
16006 instead of copy_rtx. Accept sequences that contain asm statements.
16007 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
16008 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
16009 orig_asm_operands_vector, copy_asm_operands_vector,
16010 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
16012 * rtl.h (copy_insn, copy_insn_1): Declare.
16014 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16016 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
16018 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
16019 arguments to `current_file_function_operand'.
16021 * genrecog.c: Include hard-reg-set.h and resource.h in the
16022 generated output file.
16024 * real.c: Include tm_p.h.
16026 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16028 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
16031 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
16033 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
16034 before the fctiwz insn.
16036 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16037 Mark Mitchell <mark@codesourcery.com>
16039 * tree.c (make_lang_type_fn): New funtion pointer.
16040 (make_lang_type): Call it.
16041 * tree.h (make_lang_type): Declare.
16042 (make_lang_type_fn): Likewise.
16043 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
16045 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
16047 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
16048 make sure that HIGH instructions are copied into BASE_REGS.
16050 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
16052 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
16054 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
16056 * c-decl.c (finish_struct): Use simpler method of
16057 removing elements of a singly-linked list.
16059 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
16061 * alpha.md (peephole2's): Comment out peephole2's that generate
16064 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
16066 * genrecog.c (add_to_sequence): Disable mode check for
16069 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16071 * ggc-simple.c (init_ggc): Set empty_string.
16073 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
16075 * configure.in: Detect mmap. Add --with-gc=foo to select
16076 garbage collector; default to page if mmap available.
16077 * Makefile.in (GGC): Substitute.
16079 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
16081 * c-decl.c (ggc_p): Enable.
16083 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16085 * flow.c (verify_flow_info): Make it extern & unconditionally define.
16087 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
16089 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
16090 string for little-endian-data.
16092 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
16094 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
16095 case somebody tries to compile --enable-checking code with gcc
16098 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
16100 * genrecog.c (add_to_sequence): Verify operand to label_ref is
16103 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
16105 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
16106 * jump.c (jump_optimize_1): Document why.
16108 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16110 * collect2.c (scan_prog_file, scan_libraries): Prototype function
16111 pointers and casts for `int_handler' and `quit_handler'.
16113 * flow.c (verify_flow_info, split_hard_reg_notes,
16114 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
16115 remove_edge, remove_fake_successors): Add static prototypes.
16116 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
16117 (mark_set_1): Initialize variable `regno'.
16118 (unlink_insn_chain): Likewise for variable `curr'.
16119 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16121 * loop.c (strength_reduce): Initialize variable
16122 `unrolled_insn_copies'.
16123 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16124 prototypes. Change these functions to take const PTR parameters
16125 to avoid prototype conflict when used as the comparson argument
16127 (check_dbra_loop): Initialize variable `comparison_val'.
16129 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16130 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16131 (find_valid_class): Initialize variable `best_class'.
16132 (find_reloads): Call memcpy, not bcopy.
16134 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16135 (hard_reg_use_compare): Don't needlessly cast away const.
16136 (reload_reg_class_lower): Likewise.
16137 (choose_reload_regs): Initialize variable `regno'.
16139 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16141 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16143 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16145 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16146 ({,d}discard): Add forward declarations. Declare parameter as
16148 (main_without_main): Explicitly declare return type to be int.
16149 (memcpy): Properly declare.
16151 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16152 building the trampoline support, declare malloc, free, and
16154 (__clear_cache): Mark arguments as potentially unused.
16156 * frame.c (toplevel): If inhibit_libc is defined, declare
16159 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16161 * flow.c (make_edge): Accept an optional 2D bitmap in which
16162 to cache edge existence. Update all callers.
16163 (make_label_edge, make_eh_edge): Pass through the edge cache.
16164 (make_edges): Provide the cache.
16166 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16168 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16170 (local_mbtowc): Change the type of variable `i' from int to size_t.
16172 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16173 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16175 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16177 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16178 after other includes that define the appropriate types. Include
16179 tm_p.h for getting user prototypes.
16180 * ggc-callbacks.c (toplevel): Ditto.
16181 * ggc-none.c (toplevel): Ditto.
16182 * gcc-page.c (toplevel): Ditto.
16183 * ggc-simple.c (toplevel): Ditto.
16185 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16186 Jonathan Larmour <jlarmour@cygnus.co.uk>
16188 * config/mips/mips.c (mips_move_2words): Split doubles if
16189 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16191 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16193 * genrecog.c (struct decision_test): New.
16194 (struct decision): Remove test-related members, sort the rest by size.
16195 (IS_SPLIT): Simplify.
16196 (new_decision, new_decision_test): New.
16197 (add_to_sequence): Use them. No special handling for args of
16199 (maybe_both_true): Renamed from not_both_true; return sense changed.
16200 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16201 of maybe_both_true and adjusted for decision_test.
16202 (position_merit): Remove.
16203 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16204 (merge_accept_insn): New, broken out of merge_trees.
16205 (merge_trees): Use them. No special case for c_test; no node
16206 splitting; use test type instead of position_merit.
16207 (factor_tests): New.
16208 (simplify_tests): New.
16209 (break_out_subroutines): Don't write code now.
16210 (find_afterward): New.
16211 (write_afterward, write_switch, write_cond): New.
16212 (write_action, is_unconditional): New.
16213 (write_node): New. Use them.
16214 (write_tree_1): Rewrite. Use the new functions above.
16215 (write_tree): Remove afterward processing.
16216 (write_subroutine): Simplify function variant emission.
16217 (write_subroutines): New.
16218 (same_codes, clear_codes): Remove.
16219 (same_modes, clear_modes): Remove.
16220 (write_header): New, broken out of main.
16221 (make_insn_sequence): Use new_decision and new_decision_test.
16222 (process_tree): New, broken out of main.
16223 (main): Adjust for merge_trees interface change.
16224 Don't #define operands in the output file.
16225 (record_insn_name): New, broken out of make_insn_sequence.
16226 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16227 (debug_decision): New.
16229 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16231 * resource.c (find_free_register): Mark class_str argument const.
16232 * resource.h: Update prototype to match.
16234 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16235 * i386.md: Give all anonymous insns names.
16237 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16239 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16242 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16244 * toplev.c (dbr_sched_time): Unconditional.
16245 (peephole2_time): New.
16246 (compile_file): Add pass numbers to all of the dump file suffixes.
16247 Dump peephole2_time. Don't dump times for non-applicable passes.
16248 (rest_of_compilation): Add pass numbers to dump file suffixes.
16249 Conditionalize calls to the scheduler.
16250 * invoke.texi: Update.
16252 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16254 * flow.c (make_edges): Fix insn iteration.
16255 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16256 (find_basic_blocks_1): Fix spelling mistake.
16258 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16260 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16261 always have side-effects. Use memset not bzero.
16262 (make_node): Likewise.
16264 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16266 * stmt.c (expand_anon_union_decl): When any of the elements of the
16267 union is addressable, so is the entire union.
16269 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16271 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16273 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16274 * bitmap.c (bitmap_operation): Return true iff TO changed.
16275 (bitmap_equal_p): New.
16276 (bitmap_bit_p): Tidy arithmetic.
16277 (debug_bitmap_file): Likewise.
16279 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16281 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16282 before cse2 instead of after.
16284 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16286 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16289 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16291 * cppinit.c (is_idchar initializer): Loosen tests to accept
16294 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16296 * mips.md: Define conditional move patterns for floating point
16297 operands and DI mode conditions.
16299 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16301 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16302 always have side-effects.
16304 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16306 * mn10200.c (asm_file_start): Fix typo.
16308 * cppinit.c (is_idchar initializer): Tighten tests for when
16309 to put the table into initialized memory.
16311 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16312 not an array of rtunion.
16313 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16314 * gcc-simple (ggc_free_rtvec): Similarly.
16316 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16319 * mbchar.h: Add missing #endif.
16321 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16322 (FPBIT, DPBIT): Define.
16324 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16326 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16328 * profile.c (instrument_arcs, output_gcov_string,
16329 tablejump_entry_p): Add static prototypes.
16330 (output_gcov_string): Constify a char*.
16332 * regmove.c (replacement_quality, fixup_match_2): Add static
16335 * resource.h (reg_dead_p): Add extern prototype.
16337 * rtl.c (trim_filename): Add static prototype.
16339 * scan-decls.c (skip_to_closing_brace): Likewise.
16341 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16342 (expand_end_case): Initialize variable `range'.
16343 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16345 * varasm.c (asm_emit_uninitialised): Add static prototype.
16346 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16349 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16351 * cpplib.c (if_directive_nameo): Add static prototype.
16353 * cse.c (cse_insn): Remove unused variable `p'.
16355 * except.c (create_rethrow_ref, push_entry,
16356 receive_exception_label, new_eh_region_entry, find_func_region,
16357 clear_function_eh_region, process_nestinfo): Add static prototypes.
16358 (get_reg_for_handler): Hide definition.
16359 (process_nestinfo): Initialize variable `extra_handlers'.
16361 * expr.h (expand_builtin_longjmp): Add extern prototype.
16363 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16365 * function.c (prepare_function_start): Likewise.
16366 (pop_function_context_from): Mark parameter `context' with
16368 (push_temp_slots_for_block, flush_addressof): Hide definition.
16370 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16371 solve_program_flow_graph, calculate_branch_probs,
16372 function_summary, main, fancy_abort): Add prototypes.
16374 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16375 (add_hash): Constify a char*.
16377 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16378 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16379 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16381 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16383 * lists.c (free_list, zap_lists): Likewise.
16385 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16387 * alias.c (nonlocal_reference_p): Add static prototype.
16389 * bitmap.c (bitmap_element_allocate): Prototype args in function
16392 * builtins.c (stabilize_va_list): Add static prototype.
16393 (expand_builtin_va_arg): Constify a char*.
16395 * c-lex.c (getch, put_back, extend_token_buffer_to,
16396 read_line_number, token_getch, token_put_back): Add static
16399 * c-parse.gperf (hash, is_reserved_word): Likewise.
16401 * cccp.c (is_dir_separator): Likewise.
16403 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16405 * graph.h: New file to prototype functions exported by graph.c.
16407 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16409 * graph.c: Include graph.h.
16411 * toplev.c: Likewise. Remove redundant prototypes.
16413 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16415 * invoke.texi: Removed duplicated description for -Q.
16417 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16419 * extend.texi: Grammar fix in __extension__ text.
16421 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16423 * md.texi (define_peephole2): New section.
16425 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16427 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16428 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16431 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16433 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16435 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16437 * i386.md (ffs expander): Emit Pentium friendly code for
16440 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16442 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16444 (build1): Likewise.
16446 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16448 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16450 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16452 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16453 register is in use.
16455 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16457 * md.texi (No Constraints): Delete section.
16458 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16459 * final.c (final_scan_insn): We always have register constraints.
16460 * genattrtab.c: Don't include "insn-config.h".
16461 (write_attr_case): We always have register constraints.
16462 * genconfig.c (register_constraint_flag): Delete.
16463 (walk_insn_part): Don't check whether we have register constraints.
16464 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16465 * genoutput.c (have_constraints): Delete.
16466 (main): Don't set it.
16467 (output_operand_data): We always have constraints.
16468 (scan_operands): Likewise.
16469 (compare_operands): Likewise.
16470 * local-alloc.c (block_alloc): We always have constraints.
16471 (requires_inout): Always compile this function.
16472 * recog.c (extract_insn): We always have constraints.
16473 (constrain_operands, reg_fits_class_p): Always compile these
16475 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16477 (struct insn_operand_data): Likewise.
16478 * regclass.c (regclass): We always have constraints.
16479 (record_reg_classes, copy_cost, record_address_regs,
16480 auto_inc_dec_reg_p): Always compile these functions.
16481 * regmove.c (regmove_optimize): We always have constraints.
16482 * reload.c (find_reloads): Likewise.
16483 * reload1.c (reload): Likewise.
16484 (reload_cse_simplify_operands): Likewise.
16485 * i860.c (output_delay_insn): Likewise.
16487 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16489 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16491 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16493 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16494 for the va_list record.
16496 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16498 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16501 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16503 * alias.c: Include insn-flags.h.
16504 * Makefile.in (alias.o): Update.
16506 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16508 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16509 to LTU and GEU. Handle more cases using sbb.
16511 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16513 * i386.md (truncatexfdf splitters): Do not use subreg.
16514 (fop XFmode patterns): Fix mode in operand testing.
16516 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16518 * jump.c (jump_optimize_1): Amend last change to test only the
16519 form of the operand, not the insn.
16521 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16522 not register_operand to determine when B may need preloading.
16524 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16526 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16527 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16528 (call-value patterns): Move to end of file.
16529 (*): Remove mode from label_ref in (pc) context.
16530 (movstrqi): Use memory not general_operand for BLKmode operands.
16531 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16532 to register_operand operands.
16533 (peep2 patterns): Convert from commented-out peephole patterns.
16535 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16537 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16538 to BUILT_IN_INIT_DWARF_REG_SIZES.
16539 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16540 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16541 expand_builtin_init_dwarf_reg_sizes.
16542 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16543 with __builtin_init_dwarf_reg_size_table.
16544 * dwarf2out.c (struct reg_size_range): Delete.
16545 (expand_builtin_init_dwarf_reg_sizes): New function.
16546 (expand_builtin_dwarf_reg_size): Delete.
16547 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16548 (expand_builtin_dwarf_reg_size): Don't declare.
16549 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16550 (dwarf_reg_size_table): New.
16551 (init_reg_size_table): New function.
16552 (copy_reg): Use dwarf_reg_size_table.
16553 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16556 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16558 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16559 Correctly build argument list to constructor and destructor functions.
16561 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16563 * c-tree.h (warn_float_equal): Declare.
16564 * c-decl.c (warn_float_equal): Define.
16565 (c_decode_option): Recognize -W[no-]float-equal.
16566 * c-typeck.c (build_binary_op): Conditionally warn
16567 about equality tests of floating point types.
16568 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16569 * invoke.texi: Add docs for -Wfloat-equal warning.
16571 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16573 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16574 generating RTL directly.
16575 * mips.h (INIT_TARGET_OPTABS): Likewise.
16576 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16578 * expr.h (init_mov_optab): Delete declaration
16580 * h8300.c (WORD_REG_USED): Update to avoid useless register
16581 saves in interrupt functions and functions which never return.
16583 * cse.c (struct set): Delete inner_dest_loc field.
16584 (cse_insn): Remove assignments to inner_dest_loc field.
16586 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16588 * ggc-page.c: Don't include <unistd.h> etc taken care of
16589 by "system.h". Include <sys/mman.h> afterward.
16591 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16593 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16596 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16598 * xcoffout.c (xcoffout_declare_function): Add documentation.
16599 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16600 TARGET_64BIT. Compare constant to -1, not bit pattern.
16601 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16602 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16605 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16607 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16608 origin_die is NULL.
16609 (gen_inlined_enumeration_type_die): Do not abort if the type has
16610 not been writeen out.
16611 (gen_inlined_structure_type_die): Do not abort if the type has
16612 not been writeen out.
16613 (gen_inlined_union_type_die): Do not abort if the type has
16614 not been writeen out.
16615 (gen_tagged_type_instantiation_die): Do not abort if the type
16616 has not been written out.
16618 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16620 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16622 * reg-stack.c (straighten_stack): Copy hard reg set with
16625 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16627 * builtins.c (stabilize_va_list): Stabilize array type va_list
16628 to a pointer type, not the base record type.
16629 (expand_builtin_va_copy): Dereference the pointers explicitly;
16630 use the correct size for the copy.
16632 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16633 (rs6000_va_arg): Likewise.
16635 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16637 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16639 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16641 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16643 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16645 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16647 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16648 (init_ggc): Use it instead of a constant.
16649 (ggc_collect): Bound allocated_last_gc by it.
16651 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16653 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16656 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16658 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16659 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16660 * configure: Regen.
16661 * config/mips/openbsd.h: New, OpenBSD little endian target.
16662 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16663 * config/mips/xm-openbsd.h: New, OpenBSD host.
16665 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16667 * config/m68k/m68k.c (output_function_prologue,
16668 output_function_epilogue): Use
16669 current_function_uses_pic_offset_table instead of regs_ever_live
16670 to decide whether to save/restore pic register.
16671 (legitimize_pic_address): Don't modify regs_ever_live any more.
16673 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16675 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16676 * stor-layout.c (variable_size): Don't add sizes to the pending
16677 sizes list if x_dont_save_pending_sizes_p is set.
16679 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16681 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16682 for symbolic_operand().
16683 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16685 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16687 * combine.c (gen_rtx_combine): Add missing call to va_end().
16689 * final.c (asm_fprintf): Likewise.
16691 * genattrtab.c (attr_rtx): Likewise.
16693 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16695 * cse.c: Update comments.
16696 (cse_insn): When converting a conditional/computed jump into
16697 an unconditional jump, always make sure a BARRIER immediately
16698 follows the converted jump. Do not delete unreachable code.
16699 (cse_basic_block): Do not delete unreachable code.
16700 * toplev.c (rest_of_compilation): Move call to
16701 delete_trivially_dead_insns after the conditional call to
16704 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16706 * collect2.c (make_temp_file): Don't prototype.
16708 * gcc.c (make_temp_file): Likewise.
16710 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16712 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16714 * varasm.c (asm_emit_uninitialised): New function: Generate
16715 the assembler statements necessary to declare an uninitialised
16717 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16719 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16720 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16722 (assemble_variable): Use asm_emit_uninitialised to emit an
16723 uninitialised variable.
16725 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16727 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16728 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16729 <geoffk@cygnus.com>.
16731 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16733 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16734 * c-common.h (builtin_function): Don't declare.
16736 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16738 (pushdecl): Likewise.
16739 (finish_decl): Likewise.
16740 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16741 int. All callers changed.
16742 Set the builtin's DECL_BUILT_IN_CLASS.
16743 * tree.h (enum built_in_class): New.
16744 (enum built_in_function): Delete NOT_BUILT_IN.
16745 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16747 (DECL_SET_FUNCTION_CODE): Likewise.
16748 (DECL_BUILT_IN_CLASS): New macro.
16749 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16750 (struct tree_decl): Split builtin function code field into a
16752 (builtin_function): Declare.
16754 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16756 * optabs.c (init_traps): Fix typo in last change.
16758 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16760 * toplev.c (rest_of_decl_compilation): Update comment.
16762 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16764 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16765 in .sbss if appropriate.
16766 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16767 (SBSS_SECTION_ASM_OP): New macro.
16768 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16769 (EXTRA_SECTIONS): Add in_sbss.
16770 * config/mips/mips.h: Prototype sbss_section.
16772 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16774 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16777 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16779 * optabs.c (init_traps): Register trap_rtx as a GC root.
16781 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16783 * config/mips/mips.c (function_arg_pass_by_reference): Define
16784 unconditionally, since it's called unconditionally.
16786 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16788 * toplev.c (documented_lang_options): Add -fshort-wchar.
16789 * c-decl.c (c_decode_option): Likewise.
16790 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16792 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16793 * gcc.c (default_compilers): If -fshort-wchar,
16794 override __WCHAR_TYPE__.
16795 * tm.texi (C Dialect Options): Add -fshort-wchar.
16797 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16798 symbol for a variable.
16800 * cpplib.h (CPP_PREPROCESSED): New macro.
16801 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16802 we're seeing this input for a second time.
16804 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16806 * emit-rtl.c (init_emit_once): Initialize modes first.
16808 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16810 * config/i386/i386.c (pic_label_name): Change to char pointer.
16811 (global_offset_table): New variable.
16812 (load_pic_register): Fill global_offset_table if it hasn't
16813 already been done. Allocate pic_label_name dynamically.
16814 * ggc.h (empty_string): New variable.
16815 * ggc-simple.c (empty_string): Likewise.
16816 (init_ggc): Allocate empty_string and add as root.
16817 * stmt.c (digit_strings): New variable.
16818 (init_stmt): Add last_block_end_note as root. Allocate and
16819 initialize digit_strings.
16820 (expand_asm_operands): Use empty_string instead of string
16821 constant. Use digit_strings instead of string constants.
16822 * profile.c (init_arc_profiler): Allocate string with
16823 ggc_alloc_string instead of xmalloc.
16824 (output_func_start_profiler): Likewise.
16825 * c-typeck.c (digest_init): Check if init is error_mark_node.
16827 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16828 Richard Henderson <rth@cygnus.com>
16830 * ggc-page.c: New file.
16831 * Makefile.in (ggc-page.o): New.
16833 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16835 * invoke.texi: Document -fdelete-null-pointer-checks
16836 * toplev.c (flag_delete_null_pointer_checks): New.
16837 (f_options): Add entry for -fdelete-null-pointer-checks.
16838 (rest_of_compilation): Conditionalize null pointer check
16839 elimination on flag_delete_null_pointer_checks.
16840 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16842 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16844 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16845 copyright notice and special exception to GPL.
16847 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16849 * abi64.h (mips_function_value): Add prototype arguments.
16851 * mips-protos.h: New file with mips prototypes.
16853 * mips.c: Include "tm_p.h".
16854 (mktemp, lookup_name): Add prototype arguments.
16855 (extern_list, string_constant, mips_fill_delay_slot,
16856 mips_output_external, mips_output_external_libcall,
16857 mips_output_filename, mips_declare_object, function_prologue,
16858 mips_expand_prologue, function_epilogue, mips16_constant,
16859 build_mips16_function_stub, mips_output_conditional_branch):
16861 (mips_va_start): Remove unused variable `u'.
16862 (mips_va_arg): Cast value to unsigned when comparing against one.
16864 (save_restore_insns, mips_expand_prologue): Add missing arg in
16865 call to `large_int'.
16867 * mips.h: Move prototypes to mips-protos.h.
16868 (data_section, memory_address_p, rdata_section,
16869 readonly_data_section, simple_epilogue_p, text_section): Delete
16870 prototypes delcared elsewhere.
16871 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16873 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16875 * mips.md: Delete extra args in call to `mips_move_2words'.
16877 * xm-iris6.h (alloca): Add prototype argument.
16879 * genpeep.c: Include "tm_p.h" in generated output file.
16881 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16883 * basic-block.h (find_edge_index): Change parameters.
16884 * flow.c (verify_edge_list): Pass basic_block parameters to
16885 find_edge_index instead of integers.
16887 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16889 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16892 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16894 * gcc.1: Fix a formatting error.
16896 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16898 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16899 i786, mn10200, mn10300, pdp11, v850.
16901 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16903 * libgcc2.c (num_digits): Add prototype with
16904 __attribute__((const)).
16905 (__terminate): Add prototype.
16907 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16909 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16911 * alpha/alpha.c (print_operand): Fix type of `code'.
16912 (alpha_output_filename): Constify.
16913 * alpha/alpha.h: Move all function declarations ...
16914 * alpha/alpha-protos.h: ... here. New file.
16915 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16916 (SECTION_FUNCTION_TEMPLATE): Likewise.
16918 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16920 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16921 * expr.c (expand_expr): Likewise.
16922 (do_jump): Likewise.
16923 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16924 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16926 (enum can_compare_purpose): New.
16927 (can_compare_p): Adjust prototype.
16928 (prepare_cmp_insn, prepare_operand): Declare.
16929 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16930 * optabs.c (cmp_available_p): Deleted.
16931 (expand_abs): Pass ccp_jump to can_compare_p.
16932 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16933 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16934 Call can_compare_p rather than cmp_available_p.
16935 (prepare_operand): No longer static.
16936 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16937 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16938 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16939 sequence to use emit_cmp_and_jump_insns.
16940 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16942 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16944 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16945 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16946 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16947 (plus (reg) (const_int 0))
16948 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16950 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16952 * rs6000.c (expand_block_move): DImode loads and stores require
16953 word-aligned displacements. Increment address registers with
16954 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16956 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16958 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16959 is no name for the base type, rather than segfault. If we are
16960 writing out a complex integer type, use DW_ATE_lo_user.
16962 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16963 in one word or less (complex char, complex short, or on 64 bit
16964 systems complex float) to/from a hard register, copy it through
16965 memory instead of dying in gen_{real,imag}part. If we have a
16966 short complex type, prevent inlining since it allocates stack
16969 * tree.c (build_complex_type): If we are writing dwarf2 output,
16970 generate a name for complex integer types.
16972 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16974 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16975 * flow.c (remove_edge): Remove extra whitespace.
16976 (remove_fake_edges): Fix comment.
16977 (add_noreturn_fake_exit_edges): Use the correct name.
16979 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16981 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16982 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16983 (clean): Depend on INTL_CLEAN.
16984 (maintainer-clean): Adjust.
16986 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16988 * configure.in (AC_PREREQ): Bump to 2.13.
16989 (AC_C_STRINGIZE): Call this instead of using a custom macro.
16991 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
16993 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
16995 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
16997 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
16998 (HAVE_STRINGIZE): Define.
17000 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
17002 * c-parse.in: save and restore warn_pointer_arith on __extension__
17003 along with pedantic.
17004 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
17005 Set the type of extension to itype rather than $<itype>1 kludge.
17006 * extend.texi (Alternate Keywords): Adjust documentation.
17007 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
17009 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
17011 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
17012 most assembler templates.
17014 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
17015 FP loads and stores.
17016 (following_call): Always return zero for the PA8000.
17017 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
17018 FP loads and stores.
17019 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
17021 * pa.h (BRANCH_COST): Define.
17023 * pa.md (return, return_internal): Use bve for PA2.0.
17025 * pa.md (fused multiply): Add variants which reduce height for the
17026 fused multiply, but which still generate 2 insns.
17027 (fnegabs): Similarly.
17029 * pa.md (subsi3): Turn into an expander. Create two anonymous
17030 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
17031 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
17033 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
17035 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
17037 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
17038 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
17040 * regclass.c (init_regs): Add "top_of_stack" as a garbage
17043 * flow.c (record_active_eh_regions): Terminate loop after finding
17044 the last insn in the last basic block.
17046 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17048 * config/c4x/c4x.md: Delete parallel instruction peepholes.
17050 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17052 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
17054 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17056 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
17057 splitting to not use output template.
17059 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17061 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
17062 * config/c4x/c4x.c (c4x_va_start): New function.
17064 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
17066 * genrecog.c (not_both_true): Handle correctly cases when called for
17067 tests with different positions in the insn.
17069 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17071 * machmode.h (HOST_PTR_PRINTF): Move from here ...
17073 * system.h (HOST_PTR_PRINTF): ... to here.
17075 * mips-tfile.c: Don't include machmode.h.
17077 * Makefile.in (MACHMODE_H): New variable. Update to use it.
17078 (mips-tfile.o): Don't depend on machmode.h.
17080 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17082 * haifa-sched.c (sched_analyze): Rename local variable `region' to
17083 avoid conflicts with typedef struct `region' at the top level scope.
17085 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
17087 * basic-block.h (basic_block): Add eh_beg, eh_end.
17088 * flow.c (entry_exit_blocks): Update.
17089 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
17090 Call new functions.
17091 (find_basic_blocks_1): Don't record eh_list at each bb. Use
17092 lists.c functions to allocate insn lists.
17093 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
17095 (make_eh_edge): ... here. New.
17096 (move_stray_eh_region_notes): New.
17097 (record_active_eh_regions): New.
17098 (delete_unreachable_blocks): Split out block merging ...
17099 (try_merge_blocks): ... here. New.
17100 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
17101 Dump debugging data.
17102 (merge_blocks_move_successor_nojumps): Likewise.
17103 (merge_blocks): Use eh_beg+eh_end to validate block movement.
17105 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17107 * extend.texi (Bound member functions): Document unbound pmf
17110 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17112 * flow.c (split_edge): Handle insertion on a fallthrough edge which
17113 has the EXIT_BLOCK as a dest.
17115 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17117 * flow.c (remove_edge): New function to remove an edge from the
17119 (remove_fake_successors): New function to remove fake successor edges.
17120 (remove_fake_edges): New function to remove all fake edges from the
17122 (add_fake_exit_edges): New function to add fake edges from all blocks
17123 with no successors to the exit block.
17124 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17125 prototypes for new functions.
17127 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17129 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17130 Use Pmode to determine whether to output .dword or .word.
17132 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17134 * tree.c (built_in_filename): New variable.
17135 (BUILT_IN_FILENAME): New macro.
17136 (init_tree_codes): Allocate built_in_filename.
17137 (make_node): Use built_in_filename instead of string constant.
17139 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17141 * configure.in: Add fr30 target.
17142 * configure: Regenerate.
17143 * config/fr30: New directory.
17144 * config/fr30/crti.asm: New file.
17145 * config/fr30/fr30.c: New file.
17146 * config/fr30/crtn.asm: New file.
17147 * config/fr30/fr30.h: New file.
17148 * config/fr30/fr30.md: New file.
17149 * config/fr30/lib1funcs.asm: New file.
17150 * config/fr30/t-fr30: New file.
17151 * config/fr30/xm-fr30.h: New file.
17153 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17155 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17156 BARRIER at the end of the successor, not the BARRIER before
17159 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17161 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17163 * stmt.c (any_pending_cleanups): Don't crash when
17164 current_function->stmt is unset.
17166 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17168 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17169 other initializations that may use it for relative offsets.
17171 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17173 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17174 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17175 * config/i386/sol2dbg.h: Removed.
17176 * config/i386/sol2gas.h: New file, to enable gas work-around.
17177 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17178 Don't use sol2dbg.h.
17179 * configure: Rebuilt.
17181 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17183 * invoke.texi (-fthis-is-variable): Remove documentation.
17185 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17187 * basic-block.h (compute_bb_for_insn): Declare.
17188 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17189 to use; set size of basic_block_for_insn directly.
17190 (find_basic_blocks): Update.
17192 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17194 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17196 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17198 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17199 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17201 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17203 * c-decl.c (c_decode_option): Extend comment.
17205 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17207 * toplev.c (progname): Make 'const char *'
17208 (flag_print_mem): Move out of main.
17209 (version_flag): Move out of main.
17210 (filename): Move out of main.
17211 (debug_args): Remove g prefix from options.
17212 (documented_lang_options): Remove cpplib specific options.
17213 (display_help): Add g prefix to debug options.
17214 (check_lang_option): Delete this function.
17215 (decode_d_option): New function: Decode -d... option.
17216 (decode_f_option): New function: Decode -f... option.
17217 (decode_W_option): New function: Decode -W... option.
17218 (decode_g_option): New function: Decode -g... option.
17219 (independent_decode_option): New function: Decode a language
17220 independent command line option.
17221 (main): Invoke lang_decode_option and then
17222 independent_decode_option on each command line option in
17225 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17227 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17228 * fold-const.c (fold_range_test): Do not try to fold the range
17229 test if the rhs or lhs has side effects.
17231 * basic-block.h (compute_flow_dominators): Declare.
17233 * gcse.c (alloc_code_hoist_mem): New function.
17234 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17235 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17236 (hoist_code, one_code_hoisting_pass): Likewise.
17237 (gcse_main): If optimizing for size, then hoist expressions
17238 computed in multiple dominated basic blocks.
17240 * gcse.c (invalid_nonnull_info): New function.
17241 (delete_null_pointer_checks): Likewise.
17242 * rtl.h (delete_null_pointer_checks): Declare.
17243 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17245 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17246 (merge-blocks_move_successor_nojumps): Likewise.
17247 (merge_blocks): Allow merging of some blocks, even if it requires
17248 physical movement of the blocks, but not if it requires new jumps.
17250 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17251 Callers and prototype changed.
17252 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17254 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17256 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17257 -YP when both -p and -pg are present. From i386/sol2.h.
17259 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17261 * Makefile.in (distclean): Delete tm_p.h.
17262 * configure.in: Create a new file, "tm_p.h", from a list in
17263 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17264 "i386/i386-protos.h".
17266 * alias.c: Include "tm_p.h".
17267 * c-typeck.c: Likewise.
17268 * calls.c: Likewise.
17270 * emit-rtl.c: Likewise.
17271 * explow.c: Likewise.
17272 * expmed.c: Likewise.
17273 * expr.c: Likewise.
17274 * final.c: Likewise.
17275 * flow.c: Likewise.
17276 * fold-const.c: Likewise.
17277 * function.c: Likewise.
17278 * gcse.c: Likewise.
17279 * global.c: Likewise.
17280 * haifa-sched.c: Likewise.
17281 * integrate.c: Likewise.
17282 * jump.c: Likewise.
17283 * local-alloc.c: Likewise.
17284 * loop.c: Likewise.
17285 * optabs.c: Likewise.
17286 * recog.c: Likewise.
17287 * reg-stack.c: Likewise.
17288 * regclass.c: Likewise.
17289 * regmove.c: Likewise.
17290 * reload.c: Likewise.
17291 * reload1.c: Likewise.
17292 * reorg.c: Likewise.
17293 * resource.c: Likewise.
17294 * stmt.c: Likewise.
17295 * stor-layout.c: Likewise.
17296 * toplev.c: Likewise.
17297 * tree.c: Likewise.
17298 * unroll.c: Likewise.
17299 * genattrtab.c (main): Make generated file include "tm_p.h".
17300 * genemit.c (main): Likewise.
17301 * genoutput.c (main): Likewise.
17302 * genrecog.c (main): Likewise.
17304 * i386.h: Delete all prototypes.
17305 * i386.c: Include "tm_p.h".
17306 (ix86_attr_length_default): Call constant_call_address_operand
17307 with correct number of arguments.
17308 * i386-protos.h: New file.
17309 * i386.md (unnamed patterns): Call constant_call_address_operand
17310 with correct number of arguments.
17311 (exception_receiver): Call load_pic_register with correct number
17314 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17316 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17318 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17320 * rtl.h (insns_safe_to_move_p): New function.
17321 * loop.c (find_and_verify_loops): Use it.
17322 * rtlanal.c (insns_safe_to_move_p): Define it.
17324 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17326 * c-pragma.c: Include ggc.h.
17327 * Makefile.in (c-pragma.o): Update.
17329 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17331 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17332 (LIB_SPEC): Likewise.
17333 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17334 Reindent -YP/-p/-pg.
17335 Copied from config/sparc/sol2.h.
17337 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17339 * c-pragma.c (mark_align_stack): New.
17340 (init_pragma): New.
17341 * c-pragma.h (init_pragma): Declare it.
17342 * c-lex.c (init_parse): Call it.
17344 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17346 * configure.in: Pick up thread library on Solaris/x86 just
17347 like on Solaris/sparc.
17348 * configure: Rebuilt.
17350 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17352 * rtl.h (global_rtx_index): New enum.
17353 (global_rtl): Change to array of rtx.
17354 (pc_rtx, cc0_rtx): Redefine accordingly.
17355 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17356 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17357 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17358 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17359 (const_int_rtx): Change to array of rtx.
17360 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17362 * emit-rtl.c (global_rtl): Change to array of rtx.
17363 (const_int_rtx): Change to aray of rtx.
17364 (gen_rtx_CONST_INT): Redefine accordingly.
17365 (init_emit_once): Allocate and initialize global_rtl. Likewise
17366 for const_int_rtx. Add both as GC roots.
17367 * genattrtab.c (global_rtl): Update declaration.
17369 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17371 * Makefile (USER_H): Add iso646.h back.
17373 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17375 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17376 zapping the LOG_LINKS of sched_before_next_call.
17378 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17379 * pa.c (insn_refs_are_delayed): Renamed from
17380 insn_sets_and_refs_are_delayed.
17382 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17384 * functiion.h (struct function): Add x_whole_function_mode_p.
17385 (retrofit_block): Declare.
17386 * function.c (retrofit_block): New function.
17387 (identify_blocks): Add assertions. Allow an incomplete set of
17388 block notes if we're still generating code for the function.
17389 * integrate.c: Include loop.h.
17390 (expand_inline_function): Call find_loop_tree_blocks to map block
17391 notes to blocks when in whole-function mode. Use retrofit_block
17392 to insert new BLOCKs for the inlined function, rather than
17394 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17395 * Makefile.in (integrate.o): Depend on loop.h.
17397 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17399 * tree.h (warn_about_unused_variables): Declare.
17400 * stmt.c (warn_about_unused_variables): New function, split out
17402 (expand_end_bindings): Here.
17404 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17406 * stmt.c (preserve_subexpressions_p): Don't crash when
17407 current_function->stmt is unset.
17409 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17411 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17412 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17413 (expand_start_target_temps): Use it.
17414 * except.c (expand_eh_region_start_for_decl): Likewise.
17415 * expr.c (expand_expr): Likewise.
17417 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17419 * fold-const.c (operand_equal_p): Pay attention to side effects.
17421 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17423 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17424 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17426 * tlink.c (scan_linker_output): Look for keywords before accepting
17427 a mangled name in quotes.
17429 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17431 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17432 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17434 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17436 * alpha.md: Revert Thu Nov 26 change that came in through the
17437 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17438 Avoid earlyclobber when possible.
17440 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17442 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17444 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17445 Define HAVE_ON_EXIT.
17447 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17449 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17450 CTYPE_CONV in all ctype macros.
17452 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17455 * cexp.y (initialize_random_junk): Likewise.
17457 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17459 * i370.c (handle_pragma): Likewise.
17461 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17463 * v850.c (override_options): Likewise.
17465 * doprint.c (_doprnt): Likewise.
17467 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17470 * fixinc/server.c (load_data): Likewise.
17472 * fold-const.c (real_hex_to_f): Likewise.
17474 * genattr.c (write_upcase, gen_attr): Likewise.
17476 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17477 write_upcase): Likewise.
17479 * genemit.c (print_code): Likewise.
17481 * genopinit.c (gen_insn): Likewise.
17483 * genpeep.c (print_code): Likewise.
17485 * genrecog.c (print_code): Likewise.
17487 * optabs.c (init_libfuncs): Likewise.
17489 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17491 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17493 (reemit_notes): Likewise.
17495 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17497 * ggc.h (ggc_root): Move to ggc-common.c.
17499 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17500 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17501 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17502 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17503 * ggc-common.c (ggc_root): Move from ggc.h.
17504 (roots): Declare, static.
17505 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17506 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17507 null or check/set mark bit.
17508 (ggc_mark_roots): New.
17509 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17511 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17513 * m32r.c: Include toplev.h.
17514 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17515 (gen_compare): Rename swap_p to must_swap to match uses.
17516 Add default abort case.
17517 (m32r_output_function_epilogue): Remove unused variables.
17518 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17519 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17520 define to empty parameter list. Update all uses.
17521 (predicate decls): Use enum machine_mode not int.
17522 * m32r.md (movsi): Call abort, not fatal_insn.
17523 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17525 1999-09-14 Andrew Haley <aph@cygnus.com>
17527 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17528 use $0 instead of 0.
17530 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17532 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17533 computation out of loop over hard regs.
17535 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17537 * function.c (identify_blocks): Don't shadow a variable in an
17539 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17540 pushdecl, or poplevel to build up the new BLOCK tree.
17541 (expand_inline_function): Likewise.
17542 (integrate_parm_decls): Likewise.
17544 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17546 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17548 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17550 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17551 * invoke.texi: Document this change.
17553 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17555 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17557 (mark_emit_status): Renamed from mark_emit_state.
17558 * except.c (mark_eh_status): Renamed from mark_eh_state.
17559 Check not null before marking.
17560 (free_eh_status): New.
17561 * expr.c (mark_expr_status, free_expr_status): New.
17562 * function.c (free_machine_status): New.
17563 (free_after_parsing): New.
17564 (free_after_compilation): Move bits to free_after_parsing; call
17565 free_eh_status, free_expr_status; zero the marked members of the
17567 (prepare_function_start): No can_garbage_collect.
17568 Call init_eh_for_function.
17569 (expand_dummy_function_end): Free up current_function state.
17570 (mark_function_status): Renamed from mark_function_state.
17571 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17572 * function.h (struct function): No can_garbage_collect.
17573 (free_machine_status, free_after_parsing): Declare.
17574 (free_eh_status, free_expr_status): Declare.
17575 * ggc.h (mark_expr_status): Declare.
17576 * stmt.c (free_stmt_status): Free the struct.
17577 (mark_stmt_status): Renamed from mark_stmt_state.
17578 (init_stmt): Don't call init_eh.
17579 (init_stmt_for_function): Don't call init_eh_for_function.
17580 * toplev.c (compile_file): Call init_eh.
17581 (rest_of_compilation): Free basic block info before ggc_collect.
17582 Call free_after_parsing; conditionally call free_after_compilation.
17583 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17584 Check not null before marking.
17585 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17587 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17589 * c-lex.c (yylex): Initialize warn.
17591 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17593 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17594 register when performing secondary reloads for the SAR register.
17596 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17598 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17599 (NOTE_BLOCK): New macro.
17600 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17601 * function.h (identify_blocks): Change prototype.
17602 * function.c (identify_blocks): Simplify.
17603 (reorder_blocks): Likewise.
17604 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17605 NOTE_INSN_BLOCK_{BEG,END}.
17606 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17607 the list of saved notes if the note isn't a
17608 NOTE_INSN_BLOCK_{BEG,END}.
17609 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17611 (reemit_notes): Adjust recreation of notes to reflect new saved
17613 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17614 printing a block note.
17615 * stmt.c (block_vector): Remove.
17616 (find_loop_tree_blocks): Simplify.
17617 (unroll_block_trees): Likewise.
17618 * tree.h (reorder_block): Change prototype.
17620 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17622 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17623 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17624 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17625 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17626 (atexit, exit): Simplify.
17627 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17628 * config/lots: Remove defns of HAVE_ATEXIT.
17630 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17632 * calls.c (precompute_arguments): Fix typo in comment.
17633 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17636 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17638 * dsp16xx.c (override_options): Fix typos in GC root registration.
17640 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17642 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17643 from config/svr4.h.
17644 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17645 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17646 (CC1_SPEC): Likewise.
17648 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17650 * genattr.c (main): Add extern prototype. Call return, not exit.
17651 * genattrtab.c (main): Likewise.
17652 * gencheck.c (main): Likewise.
17653 * gencodes.c (main): Likewise.
17654 * genconfig.c (main): Likewise.
17655 * genemit.c (main): Likewise.
17656 * genextract.c (main): Likewise.
17657 * genflags.c (main): Likewise.
17658 * gengenrtl.c (main): Likewise.
17659 * genopinit.c (main): Likewise.
17660 * genoutput.c (main): Likewise.
17661 * genpeep.c (main): Likewise.
17662 * genrecog.c (main): Likewise.
17664 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17665 * genattrtab.c (get_insn_name): Likewise.
17666 * gencodes.c (get_insn_name): Likewise.
17667 * genconfig.c (get_insn_name): Likewise.
17668 * genemit.c (get_insn_name): Likewise.
17669 * genextract.c (get_insn_name): Likewise.
17670 * genflags.c (get_insn_name): Likewise.
17671 * genopinit.c (get_insn_name): Likewise.
17672 * genpeep.c (get_insn_name): Likewise.
17674 * gencheck.c (usage): Add static prototype.
17675 * genextract.c (print_path): Constify a char*.
17676 * genopinit.c (optabs): Likewise.
17677 * genoutput.c (operand_data, data, output_predicate_decls,
17678 compare_operands): Likewise.
17679 * genrecog.c (write_tree): Add default case in switch.
17681 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17683 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17685 * print-rtl.c (get_insn_name): Remove prototype.
17687 * toplev.h (progname): Declare const.
17689 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17690 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17691 dump_sched_info, dump_local_alloc, regset_release_memory,
17692 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17693 error_with_file_and_line, error_with_decl, error_for_asm, error,
17694 fatal, warning_with_file_and_line, warning_with_decl, warning,
17695 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17696 Remove redundant prototypes.
17698 (notice, check_lang_option, report_file_and_line, vnotice,
17699 mark_file_stack): Add static prototype.
17700 (set_fatal_function): Add prototype.
17701 (vnotice, report_file_and_line, set_fatal_function,
17702 check_lang_option): Constify a char*.
17703 (main): Prototype. Call return, not exit.
17705 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17707 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17709 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17711 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17713 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17715 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17717 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17718 behave as if it's zero in all cases.
17719 (expand_function_start): Adjust call to assign_parms.
17720 * tree.h (assign_parms): Adjust prototype.
17721 * objc/objc-act.c (hack_method_prototype): Adjust call to
17724 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17726 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17727 arg_pointer_rtx fixed if the argument pointer register is
17729 (NONZERO_BASE_PLUS_P): Likewise.
17731 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17733 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17734 match_insn2 to match_insn.
17735 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17737 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17739 * Makefile.in (USER_H): Remove va-foo.h.
17741 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17742 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17743 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17744 va-spur.h,va-v850.h}: Remove.
17746 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17748 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17749 (in_return_delay): Use it instead of match_insn.
17751 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17753 * config/alpha/va_list.h (va-alpha.h): Do not include.
17754 (__gnuc_va_list): Typedef as in varargs.h.
17756 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17758 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17759 DECL_LIVE_RANGE_RTL.
17761 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17763 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17764 not NOTE_BLOCK_NUMBER.
17765 (expand_eh_region_end): Likewise.
17766 (find_exception_handler_labels): Likewise.
17767 (scan_region): Likewise.
17768 (exception_optimize): Likewise.
17769 (update_rethrow_references): Likewise.
17770 (set_insn_eh_region): Likewise.
17771 * final.c (final_scan_insn): Likewise.
17772 * flow.c (make_edges): Likewise.
17773 * integrate.c (expand_inline_function): Likewise.
17774 * print-rtl.c (print_rtx): Likewise.
17776 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17778 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17779 terms of builtin functions and types.
17781 * mips.c (mips_build_va_list): New.
17782 (mips_va_start, mips_va_arg): New.
17783 * mips.h (BUILD_VA_LIST_TYPE): New.
17784 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17786 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17787 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17788 * sh.h (BUILD_VA_LIST_TYPE): New.
17789 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17791 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17793 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17794 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17795 (struct insn_data): Likewise with n_operands, n_dups,
17796 n_alternatives, output_format.
17797 * regclass.c (scan_one_insn): Cast n_operands to int before
17798 arithmetic inside comparison.
17800 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17802 * toplev.c (compile_function): Unconditionally emit nop.
17804 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17806 * haifa-sched.c (actual_hazard): Move declaration of variable
17807 `this_cost' into the scope where it is used.
17809 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17811 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17812 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17813 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17815 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17817 * jump.c (find_insert_position): Don't declare or define unless
17818 !HAVE_conditional_arithmetic.
17819 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17821 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17823 * recog.c (offsettable_address_p): Prototype function pointer.
17824 (preprocess_constraints): Call memset, not bzero.
17826 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17827 (gcc_obstack_init): Don't declare.
17828 (fix_sizetype): Add static prototype.
17829 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17830 (tree_cons): Call memset, not bzero.
17832 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17833 definition in macro ASM_WEAKEN_LABEL.
17834 (mark_const_hash_entry): Add static prototype.
17836 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17838 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17840 * unroll.c (find_common_reg_term, subtract_reg_term,
17841 loop_find_equiv_value): Add static prototypes.
17842 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17843 (copy_loop_body): Remove unreachable break statement.
17845 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17847 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17849 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17851 Undo some changes from the gcc2 merge:
17852 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17853 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17857 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17858 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17859 initialized float-int union if the value is a NaN.
17861 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17863 * gthr-win32.h: New file.
17865 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17866 shared as a valid attribute.
17867 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17868 * extend.texi: Document `shared' variable attribute.
17870 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17872 * configure.in: Handle --enable-threads on FreeBSD.
17873 * configure: Rebuit.
17875 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17877 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17879 * configure: Rebuilt.
17881 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17882 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17883 Rosimildo DaSilva <rdasilva@connecttel.com>
17885 * configure.in (m68k-*-rtemscoff*): Added.
17886 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17887 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17888 sparc-rtems configuration.
17889 * configure.in (sparc-*-rtemself*): Added.
17890 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17891 * config/i386/rtems.h: Added comment.
17892 * config/sparc/rtemself.h: New file.
17894 * configure.in (m68k-rtemself): Added.
17895 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17896 and DWARF_DEBUGGING_INFO.
17897 * config/m68k/crti.s: New file.
17898 * config/m68k/crtn.s: New file.
17899 * config/m68k/t-crtstuff: New file.
17900 * config/m68k/rtemself.h: New file.
17902 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17903 global ctor/dtor and C++ exception handling.
17904 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17905 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17907 * config/i386/t-rtems-i386: New File.
17909 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17911 * stmt.c (expand_end_case): Return right away if the case stack is
17914 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17916 * Makefile.in (version.c): Remove rule incorrectly brought in from
17919 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17921 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17922 * msdos/top.sed: Take into account a prepended $(SHELL) to
17924 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17926 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17928 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17930 * regmove.c (fixup_match_1): Don't change an unchanging register.
17931 (stable_but_for_p): Renamed to:
17932 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17933 Changed all callers.
17935 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17937 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17938 insn from BL2 is after the insn from BL.
17940 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17942 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17943 (struct insn_data): Merge `template' and `outfun' into `output'.
17944 Add `output_format'.
17945 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17946 (struct data): Remove `outfun'; add `output_format'.
17947 (name_for_index): Remove declaration.
17948 (output_insn_data): Handle output formats.
17949 (process_template): Emit the bare array for @.
17950 (gen_expand, gen_split): Set output_format to NONE.
17951 * output.h (get_insn_template): Declare.
17952 * final.c (get_insn_template): New.
17953 (final_scan_insn): Use it.
17954 * toplev.c (compile_file): Likewise.
17956 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17957 * i860/i860.c (output_delayed_branch): Likewise.
17958 (output_delay_insn): Likewise.
17960 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17962 * rtl.c (obstack_alloc_rtx): Removed.
17964 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17966 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17968 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17970 * i386.c (call_insn_operand): Reject const_int.
17971 (expander_call_insn_operand): Use call_insn_operand.
17973 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17975 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17977 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17979 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17980 Use DImode operation.
17982 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17984 * gcc.c: Include sys/resource.h.
17985 (report_times): New flag.
17986 (execute): If report_times is set, calculate and report the
17987 CPU time consumed by each subprocess.
17989 (rus, prus): New globals.
17990 (option_map): Add --time.
17991 (display_help): Document -time.
17992 (process_command): Set report_times if -time is given.
17993 Turn off -pipe if -time is given.
17995 * invoke.texi: Document new option -time.
17997 * configure.in: Check for getrusage. Check if we have to
17998 prototype getrusage.
17999 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
18000 * configure: Regenerate.
18001 * config.in: Regenerate.
18003 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
18005 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
18008 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
18010 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
18011 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
18012 (nan): Return _thenan_sf or _thenan_df as appropriate.
18013 (L_thenan_sf): Define _thenan_sf.
18014 (L_thenan_df): Define _thenan_df.
18016 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
18017 (DPBIT_FUNCS): Add _thenan_df.
18019 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
18021 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
18024 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18026 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
18029 (lang_specific_driver): Don't take a function pointer parameter.
18030 All callers changed.
18032 * gcc.c: Include gcc.h.
18033 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
18034 lang_specific_extra_outfiles, fatal): Don't declare.
18035 (multilib_defaults_raw): Constify.
18036 (read_specs): Call memset, rather than bzero.
18037 (main): Call return, not exit.
18038 (lookup_compiler): Call memcpy, not bcopy.
18039 (fatal): Make extern.
18041 * cppspec.c: Include gcc.h.
18042 (lang_specific_driver): Initialize variable `quote'. Constify a
18043 char*. All calls to the function pointer parameter now
18044 explicitly call `fatal'.
18046 * gccspec.c (lang_specific_driver): Include gcc.h.
18048 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
18050 * arm.c (note_invalid_constants): Use recog_data.operand_type
18053 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18055 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
18058 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
18059 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18060 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18061 reload_secondary_in_reload, reload_secondary_out_reload,
18062 reload_secondary_in_icode, reload_secondary_out_icode,
18063 reload_reg_rtx, reload_when_needed): Delete declarations.
18064 (struct reload): New structure.
18065 (rld): Declare new array.
18066 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
18067 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18068 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18069 reload_secondary_in_reload, reload_secondary_out_reload,
18070 reload_secondary_in_icode, reload_secondary_out_icode,
18071 reload_reg_rtx, reload_when_needed): Delete definitions.
18073 (whole file): Replace uses of the deleted arrays with uses of rld.
18074 * reload1.c (whole file): Replace uses of the deleted arrays with
18076 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
18077 explicit loops, not with bcopy.
18079 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
18081 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
18082 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
18083 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
18084 insn_name): Delete and consolidate into new structures.
18085 (insn_operand_predicate_fn): New.
18086 (insn_output_fn): New.
18087 (insn_gen_fn): New.
18088 (struct insn_operand_data): New.
18089 (struct insn_data): New.
18091 (OUT_FCN): Update for insn_data change.
18092 * builtins.c (expand_builtin_strlen): Likewise.
18093 (expand_builtin_memcmp): Likewise.
18094 * combine.c (make_extraction, simplify_comparison): Likewise.
18095 * cse.c (canon_reg, cse_insn): Likewise.
18096 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
18097 * expmed.c (store_bit_field, extract_bit_field): Likewise.
18098 (emit_store_flag): Likewise.
18099 * expr.c (convert_move, emit_block_move): Likewise.
18100 (clear_storage, emit_push_insn, expand_increment): Likewise.
18101 (do_store_flag): Likewise.
18102 * expr.h (GEN_FCN): Likewise.
18103 (insn_gen_function): Die.
18104 * final.c (final_scan_insn): Update for insn_data change.
18105 (output_asm_name): Likewise.
18106 * function.c (fixup_var_refs_1): Likewise.
18107 * loop.c (check_dbra_loop): Likewise.
18108 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
18109 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
18110 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
18111 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
18112 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
18113 * regmove.c (gen_add3_insn): Likewise.
18114 * reload.c (push_secondary_reload, combine_reloads): Likewise.
18115 (find_reloads, find_reloads_address_1): Likewise.
18116 (debug_reload_to_stream): Likewise.
18117 * reload1.c (emit_reload_insns, gen_reload): Likewise.
18118 * stmt.c (expand_end_case): Likewise.
18119 * toplev.c (compile_file): Likewise.
18121 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18122 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18124 * print-rtl.c (insn_name_ptr): Remove declaration.
18125 (get_insn_name): Declare.
18126 (print_rtx): Use it.
18127 * genoutput.c (insn_name_ptr): Remove.
18128 (next_operand_number): New.
18129 (struct operand_data): New.
18130 (null_operand, odata, odata_end): New.
18131 (struct data): Use struct operand_data.
18132 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18133 (get_insn_name): Renamed from name_for_index.
18134 (output_prologue): Define NO_MD_PROTOTYPES.
18135 (output_predicate_decls): Break out from output_epilogue.
18136 Iterate over the operands list.
18137 (output_operand_data): Break out from output_epilogue. Emit
18138 just the operands list.
18139 (output_insn_data): Break out from output_epilogue. Emit just
18141 (output_epilogue): Remove.
18142 (output_get_insn_name): New.
18143 (constraints, op_n_alternatives, predicates, address_p): Die.
18144 (modes, strict_low, seen): Die.
18145 (scan_operands): Take new param `d' instead of writing to
18146 seven global variables.
18147 (compare_operands): New.
18148 (place_operands): New.
18149 (validate_insn_alternatives): Update for struct data change.
18150 (gen_insn): Don't zero or copy 7 global arrays. Update for
18151 scan_operands; call place_operands.
18152 (gen_peephole, gen_expand, gen_split): Likewise.
18153 (main): Update for new output routines.
18155 * genattr.c (insn_name_ptr): Remove.
18156 (get_insn_name): New function.
18157 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18158 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18159 * genrecog.c: Likewise.
18161 * alpha.md (adddi3): Make `pattern' array static.
18163 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18165 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18166 c4x_cpu_version_string): Constify char *.
18167 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18168 c4x_cpu_version_string): Likewise.
18170 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18172 * tree.c (save_tree_status): Revert 10 Sep change.
18173 (restore_tree_status): Likewise. Call obstack_free with NULL
18174 before freeing the obstack proper.
18176 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18178 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18180 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18181 surrounding context.
18183 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18185 * tree.c (type_hash_canon): Put all types in the hash-table, when
18188 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18190 * recog.h (struct recog_data, recog_data): New.
18191 (recog_foo variables): Kill.
18192 * recog.c (recog_operand, recog_operand_loc): Kill.
18193 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18194 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18195 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18196 (recog_data): Define.
18197 (extract_insn): Update all recog_foo references to use recog_data.
18198 (preprocess_constraints, constrain_operands): Likewise.
18199 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18200 * genattrtab.c (main): Likewise.
18201 * genextract.c (main): Likewise.
18202 * genoutput.c: Likewise.
18203 * genrecog.c (write_subroutine, main): Likewise.
18204 * local-alloc.c (block_alloc): Likewise.
18205 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18206 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18207 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18208 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18209 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18210 (reload_cse_simplify_operands): Likewise.
18212 * arc/arc.c (arc_final_prescan_insn): Likewise.
18213 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18214 * h8300/h8300.c (notice_update_cc): Likewise.
18215 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18216 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18217 * mn10200/mn10200.c (notice_update_cc): Likewise.
18218 * mn10300/mn10300.c (notice_update_cc): Likewise.
18219 * romp/romp.c (update_cc): Likewise.
18220 * sparc/sparc.c (check_pic): Likewise.
18221 * v850/v850.c (notice_update_cc): Likewise.
18223 * genemit.c (main): Don't declare recog_operand.
18225 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18227 * ggc.h (rtvec_def): Forward declare.
18228 (tree_node): Likewise.
18229 (ggc_root): Define.
18231 (ggc_set_mark_rtx): Add prototype.
18232 (ggc_set_mark_rtvec): Likewise.
18233 (ggc_set_mark_tree): Likewise.
18234 * ggc-simple.c (ggc_root): Don't define.
18235 (roots): Don't declare.
18236 (ggc_mark_rtx): Remove.
18237 (ggc_mark_rtvec): Likewise.
18238 (ggc_mark_tree): Likewise.
18239 (ggc_mark_varray): Likewise.
18240 (ggc_mark_tree_hash_table_entry): Likewise.
18241 (ggc_mark_tree_hash_table): Likewise.
18242 (ggc_set_mart_rtx): New function.
18243 (ggc_set_mark_rtvec): Likewise.
18244 (ggc_set_mark_tree): Likewise.
18245 (ggc_add_root): Remove.
18246 (ggc_add_rtx_root): Likewise.
18247 (ggc_remove_tree_root): Likewise.
18248 (ggc_add_string_root): Likewise.
18249 (ggc_add_tree_varray_root): Likewise.
18250 (ggc_add_tree_hash_table_root): Likewise.
18251 (ggc_del_root): Likewise.
18252 (ggc_mark_rtx_ptr): Likewise.
18253 (ggc_mark_tree_ptr): Likewise.
18254 (ggc_mark_string_ptr): Likewise.
18255 (ggc_mark_tree_varray_ptr): Likewise.
18256 (ggc_mark_tree_hash_table_ptr): Likewise.
18257 * ggc-common.c: New file.
18258 * Makefile.in (OBJS): Add ggc-common.o.
18259 (ggc-common.o): List dependencies.
18261 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18263 * cppalloc.c (xstrdup): Use memcpy.
18264 * cpperror.c (cpp_print_containing_files): Don't use
18266 * cpplib.c (conditional_skip): Set temp->lineno.
18267 (do_endif): Make error message less obscure.
18268 (if_directive_name): New function.
18269 (cpp_get_token [case EOF]): Unwind the if stack and generate
18270 error messages for each unterminated conditional in this file.
18271 (parse_string): Do not behave differently if -traditional.
18273 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18275 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18276 va_list decomposing to pointer-type.
18277 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18278 (rs6000_va_arg): Likewise.
18280 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18282 * except.c (start_dynamic_handler): Compute size using
18283 STACK_SAVEAREA_MODE.
18285 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18287 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18288 include directory headers. Don't define strrchr. Don't provide
18289 my_* replacement functions. Prefer PTR over `pointer_type'.
18290 Don't prototype system functions. Don't redefine getopt.
18292 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18293 safe_read, safe_write, save_pointers, restore_pointers,
18294 is_id_char, in_system_include_dir, directory_specified_p,
18295 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18296 find_corresponding_lparen, referenced_file_is_newer,
18297 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18298 process_aux_info_file, identify_lineno, check_source,
18299 seek_to_line, forward_to_next_token_char, output_bytes,
18300 output_string, output_up_to, other_variable_style_function,
18301 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18302 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18303 find_static_definition, connect_defs_and_decs, add_local_decl,
18304 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18305 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18306 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18307 scan_for_missed_items, edit_file, string_list_cons): Add static
18309 (standard_exec_prefix, target_machine, target_version,
18310 default_syscalls_dir, string_list, string_list_cons, find_file,
18311 do_cleaning): Constify a char*.
18312 (safe_read, safe_write): Use PTR, not a char*.
18313 (is_id_char): Take an int, not a char.
18314 (main): Add prototype. Call return, not exit.
18316 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18318 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18319 when comparing types.
18321 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18323 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18324 (strength_reduce): Release the varrays from the no-bivs early exit.
18326 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18327 the loop over the registers.
18329 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18331 (restore_tree_status): Check that instead when freeing the obstack.
18333 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18335 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18338 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18340 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18341 operand size modifiers.
18343 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18345 * c-common.c (c_common_nodes_and_builtins): Don't build
18347 * c-common.h (enum c_tree_index and related accesor macros): Remove
18348 everything now declared in tree.h.
18349 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18350 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18351 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18352 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18353 unsigned_type_node, ptr_type_node, va_list_type_node,
18354 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18355 (init_decl_processing): Call build_common_tree_nodes and
18356 build_common_tree_nodes_2 instead of building their nodes here.
18357 Don't add roots for these nodes.
18358 * stor-layout.c (size_zero_node, size_one_node): Delete.
18359 (set_sizetype): Make a new node for bitsizetype each time.
18360 * tree.c (global_trees): New variable.
18361 (init_obstacks): Add a gc root for it.
18362 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18363 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18364 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18365 (build_common_tree_nodes): New function.
18366 (fix_sizetype): New function.
18367 (build_common_tree_nodes_2): New function.
18368 * tree.h (enum tree_index): New.
18369 (global_trees): Declare.
18370 Add accessor macros for all nodes now moved to global_trees.
18371 Delete their declarations.
18373 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18375 * c-decl.c (finish_function): When processing a nested function,
18376 push and pop GC context around rest_of_compilation.
18378 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18380 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18381 Default ix86_arch to PROCESSOR_I386.
18382 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18383 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18384 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18385 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18386 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18387 (EXTRA_SPECS): Remove deleted specs.
18389 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18391 * function.c (assign_stack_local_1): Allocate from
18392 function->x_frame_offset, not frame_offset.
18394 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18396 * ggc.h (lang_cleanup_tree): Remove.
18397 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18398 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18400 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18401 TYPE_LANG_SPECIFIC when garbage collecting.
18402 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18403 (lang_cleanup_tree): Remove.
18405 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18407 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18408 * crtstuff.c: Not here.
18409 * dwarf2out.c: Or here.
18410 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18413 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18415 * function.h (free_after_compilation): Remove decl parameter.
18416 (free_varasm_status0: Likewise.
18417 (free_emit_status): Likewise.
18418 (free_stmt_status): Likewise.
18419 (free_after_compilation): Likewise.
18420 (init_lang_status): New variable.
18421 (free_lang_status): Likewise.
18422 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18423 * function.c (init_lang_status): New variable.
18424 (free_lang_status): Likewise.
18425 (push_function_context_to): Don't set function::decl here.
18426 (free_after_copmilation): Make decl parameter implicit. Call
18427 free_lang_status if defined.
18428 (prepare_function_start): Call init_lang_status if defined.
18429 (init_function_start): Set function::decl here.
18430 * profile.c (output_func_start_profiler): Don't call pushdecl
18431 until we've actually started the function.
18432 * stmt.c (free_stmt_status): Make decl parameter implicit.
18433 * toplev.c (rest_of_compilation): Don't pass decl to
18434 free_after_compilation.
18435 * varasm.c (free_varasm_status): Likewise.
18437 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18439 * except.c (call_get_eh_context): Add root when allocating static
18442 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18444 * arm.c: Include "ggc.h".
18445 (arm_add_gc_roots): New function.
18446 (arm_override_options): Call it.
18447 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18449 * arm.md (define_asm_attributes): Add a pool_range attribute.
18451 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18453 * extend.texi (Volatiles): New node.
18455 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18457 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18458 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18459 (struct ggc_any): Replace `mark' with `magic_mark'.
18460 (ggc_alloc_string): Use memcpy, not bcopy.
18461 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18462 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18463 (ggc_free_any): New.
18464 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18465 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18466 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18467 Use IS_MARKED. Use ggc_free_any.
18469 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18471 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18473 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18475 * toplev.c (main): Always init_ggc.
18477 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18479 * except.c (find_all_handler_type_matches): Free the list if
18480 we found no matches.
18482 * combine.c (SUBST): Break out to a real function do_SUBST.
18483 (SUBST_INT): Likewise.
18484 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18485 (pre_insert): Free `inserted'.
18486 * loop.c (basic_induction_var): Always set `location'.
18488 * function.c (expand_function_end): Add initial_trampoline as a root.
18489 * rtl.h (init_varasm_once): Declare.
18490 * toplev.c (compile_file): Call it.
18491 * ggc-simple.c (ggc_mark_string_ptr): New.
18492 (ggc_add_string_root): New.
18493 (ggc_collect): Disable collection avoidance temporarily.
18494 * ggc.h (ggc_add_string_root): Declare.
18495 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18496 * optabs.c (init_libfuncs): Likewise.
18497 * varasm.c (named_section): Use ggc_alloc_string.
18498 (make_function_rtl): Likewise.
18499 (make_decl_rtl): Likewise.
18500 (assemble_static_space): Likewise.
18501 (assemble_trampoline_template): Likewise.
18502 (output_constant_def): Likewise.
18503 (force_const_mem): Likewise.
18504 (mark_const_hash_entry): New.
18505 (mark_pool_sym_hash_table): New.
18506 (mark_varasm_state): Use it.
18507 (init_varasm_once): New.
18509 * expr.h (init_one_libfunc): Declare.
18510 * optabs.c (init_one_libfunc): New.
18511 (init_optabs): Use it.
18512 * config/gofast.h: Likewise.
18513 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18514 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18516 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18518 * Makefile.in (cppexp.o): Depend on cpphash.h.
18519 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18521 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18522 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18523 redefining poisoned identifiers, etc.
18524 (do_undef): Don't allow poisoned identifiers to be undefined.
18525 (do_pragma): Add #pragma poison.
18526 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18528 * cccp.c: Add T_POISON node type.
18529 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18531 (do_define): Generalise to handle poisoned definitions,
18532 redefining poisoned identifiers, etc.
18533 (do_undef): Don't allow poisoned identifiers to be undefined.
18534 (do_pragma): Add #pragma poison.
18535 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18537 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18538 * c-pragma.h: Add ps_poison state. We now always have generic
18541 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18543 * ggc.h (ggc_alloc): New function.
18544 (ggc_mark): Likewise.
18545 * ggc-simple.c (ggc_any): New structure.
18546 (ggc_status): Add anys.
18547 (n_anys_collected): New variable.
18548 (ggc_alloc): Define.
18549 (ggc_mark): Likewise.
18550 (ggc_collect): Collect the anys.
18552 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18554 * c-decl.c (mark_binding_level): Make static to match prototype.
18556 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18558 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18560 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18562 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18563 will use into account. Expand the max width to 5.
18566 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18568 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18569 for the rtx length.
18571 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18573 * alpha.md (call value patterns): Remove the result predicates.
18575 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18577 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18580 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18582 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18583 changed from extern char *, to extern PTR. Also fix typo in
18584 NEED_DECLARATION_REALLOC test.
18586 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18588 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18590 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18591 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18592 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18593 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18595 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18597 * cccp.c (pcfinclude): Likewise.
18599 * global.c (allocno_compare): Likewise.
18601 * haifa-sched.c (rank_for_schedule): Likewise.
18603 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18605 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18607 * stupid.c (stupid_reg_compare): Likewise.
18609 * tree.c (_obstack_allocated_p): Likewise.
18611 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18613 1999-09-08 Bruce Korb autogen@linuxbox.com
18615 * Makefile.in: Give the hapless gperf user a hint about
18616 why "gperf -F" fails.
18618 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18620 * lists.c: Include ggc.h.
18622 (init_EXPR_INSN_LIST_cache): Install it.
18624 * ggc-simple.c (init_ggc): Absorb the old init.
18625 (ggc_push_context): Use xcalloc.
18626 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18627 (ggc_collect): Add [rvts] tags to the collection stats.
18629 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18631 * cccp.c (main): Fix handling of -include and -imacros options.
18633 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18635 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18637 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18639 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18642 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18644 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18645 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18646 and SET_DEST. Update comment.
18648 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18650 * config/c4x/c4x.c: Include ggc.h.
18651 (c4x_add_gc_roots): New function.
18652 (c4x_override_options): Call c4x_add_gc_roots.
18654 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18656 * defaults.h (TARGET_ESC): Move ...
18657 * system.h: ... here, where Linas had it in the first place. Silly me.
18659 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18661 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18662 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18663 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18664 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18665 * defaults.h (TARGET_ESC): Add default.
18667 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18669 * configure.in: add i370-*-openedition, i370-*-mvs and
18670 i370-*-linux targets
18672 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18674 * dsp16xxx.c: Include ggc.h
18675 (override_options): Mark GC roots.
18676 * mn10200.c: Include ggc.h.
18677 (asm_file_start): Mark GC roots.
18678 * tahoe.c: Include ggc.h.
18679 (extensible_operand): Mark GC roots.
18681 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18683 * README: Add section discussing status of ELF ABI.
18684 * i370.c: Fix misc spelling mistakes.
18685 (i370_label_scan): Updated notes, exception handling.
18686 (i370_function_prolog): Simplify ELF stack handling.
18687 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18688 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18689 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18690 * i370.md: (movdi): Add notes.
18691 (floatsidf2): Use stack not rtca for scratch float area.
18692 (iorsi3): Correct operand constraints.
18693 * x-oe: Restore TAROUTOPTS which are used by pax.
18695 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18697 * rs6000.c: Include ggc.h.
18698 (rs6000_add_gc_roots): New function.
18699 (override_options): Call it.
18701 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18703 * alpha.h (alpha_compare): New.
18704 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18705 * alpha.c: Likewise for the definitions.
18706 (alpha_emit_conditional_branch): Update for alpha_compare.
18707 (alpha_emit_conditional_move): Likewise.
18708 * alpha.md (cmpdf, cmpdi): Likewise.
18709 (setcc patterns): Likewise. Zero alpha_compare after use.
18710 (sne): Optimize (x != 0) into (0U < x).
18712 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18714 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18715 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18716 (INIT_EXPANDERS): Remove.
18717 * alpha.c: Include ggc.h.
18718 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18719 (alpha_init_machine_status, alpha_mark_machine_status): New.
18720 (override_options): Install them.
18721 (struct machine_function): Moved to alpha.h.
18722 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18723 (alpha_init_expanders): Remove.
18724 (alpha_return_addr): Adjust to use current_function->machine.
18725 (alpha_ra_ever_killed): Likewise.
18726 (alpha_expand_epilogue): Likewise.
18727 * alpha.md (eh_epilogue): Likewise.
18729 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18730 Melissa O'Neill <oneill@cs.sfu.ca>
18731 Geoffrey Keating <geoffk@cygnus.com>
18733 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18734 call-used registers (call-saved registers must still be contiguous
18735 and end with r31, of course).
18737 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18739 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18740 (self_promoting_type_p): Delete.
18741 (self_promoting_args_p): Move ...
18742 * c-common.c: ... here.
18743 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18744 (simple_type_promotes_to): New.
18745 * builtins.c (lang_type_promotes_to): New.
18746 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18747 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18748 * c-common.h: ... here.
18749 (self_promoting_args_p, simple_type_promotes_to): Declare.
18750 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18751 (grokdeclarator): Likewise.
18752 * tree.h (lang_type_promotes_to): Declare.
18754 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18756 Add some machine-dependent GC roots.
18757 * sparc.c: Include ggc.h.
18758 (sparc_add_gc_roots): New function.
18759 (mark_ultrasparc_pipeline_state): Likewise.
18760 (override_options): Call sparc_add_gc_roots.
18761 * pa.c: Include ggc.h.
18762 (pa_add_gc_roots): New function.
18763 (mark_deferred_plabels): Likewise.
18764 (override_options): Call pa_add_gc_roots.
18765 * mips.c: Include ggc.h.
18766 (mips_add_gc_roots): New function.
18767 (override_options): Use it.
18769 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18771 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18773 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18774 cpp_parse_expr): Add static prototypes.
18775 (parse_charconst): Don't cast away const-ness.
18776 (token): Constify a char*.
18778 * cppfiles.c (file_name_list, include_hash, find_include_file,
18779 finclude, initialize_input_buffer): Constify a char*.
18780 (file_cleanup, find_position): Add static prototypes.
18782 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18783 collect_expansion): Add static prototypes.
18784 (cpp_install, create_definition, monthnames): Constify a char*.
18786 * cpphash.h (cpp_install): Likewise.
18788 * cppinit.c (known_suffixes, default_include,
18789 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18790 (base_name, dump_special_to_buffer, initialize_dependency_output):
18791 Add static prototypes.
18793 * cpplib.c (my_strerror): Constify a char*.
18794 (null_underflow, null_cleanup, skip_comment, copy_comment,
18795 copy_rest_of_line, handle_directive, pass_thru_directive,
18796 get_directive_token, read_line_number, cpp_print_file_and_line,
18797 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18798 v_cpp_warning_with_line, detect_if_not_defined,
18799 consider_directive_while_skipping): Add static prototypes.
18800 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18801 cpp_pedwarn_with_file_and_line): Constify a char*.
18803 * cpplib.h (cpp_options, include_hash, progname, definition,
18804 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18805 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18806 find_include_file, deps_output, include_hash): Constify a char*.
18808 * cppmain.c (progname): Constify.
18809 (main): Add prototype. Use return, not exit.
18811 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18812 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18813 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18814 check_protection): Add static prototype.
18816 (progname, recognized_macrom, recognized_extern): Constify a char*.
18817 (main): Add prototype.
18819 * gen-protos.c (progname): Constify a char*.
18821 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18823 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18824 (init_emit_once): Add more GC roots.
18825 * except.c (mark_func_eh_entry): New function.
18826 (mark_eh_node): Mark false_label and rethrow_label.
18827 (init_eh): Add more GC roots.
18828 * function.c (free_after_compilation): Take decl as a paramter.
18829 Call free_stmt_status.
18830 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18832 * function.h (free_after_compilation): Change prototype.
18833 (free_varasm_status): Likewise.
18834 (free_emit_status): Likewise.
18835 (free_stmt_status): New function.
18836 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18837 Remove, replacing with ...
18838 (ggc_status): New structure.
18839 (ggc_chain): New variable.
18840 (init_gcc): Define.
18841 (ggc_push_context): New function.
18842 (ggc_pop_context): Likewise.
18843 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18844 (ggc_alloc_rtvec): Likewise.
18845 (ggc_alloc_tree): Likewise.
18846 (ggc_alloc_string): Likewise.
18847 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18848 (ggc_mark_tree): Give language-dependent code a chance to mark
18850 (ggc_mark_tree_varray): Handle empty arrays.
18851 (ggc_collect): Adjust for use of ggc_chain. Clear
18852 bytes_alloced_since_last_gc.
18853 * ggc.h (ggc_pop_context): New function.
18854 (ggc_push_context): Likewise.
18855 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18856 * stmt.c (free_stmt_status): New function.
18857 (init_stmt_for_function): Clear last_expr_value.
18858 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18859 Conditionalize call to ggc_collect.
18860 (main): Call init_ggc.
18861 * tree.c (push_obstacks): Do the push, even when GC'ing.
18862 (push_obstacks_nochange): Likewise.
18863 (pop_obstacks): Liekwise.
18864 * varasm.c (free_varasm_status): Take decl as a parameter.
18866 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18868 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18869 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18870 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18871 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18873 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18875 * pa/x-pa-mpeix: New file for the MPE port.
18877 * pa/quadlib.asm: New file for long double support.
18879 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18880 * configure: Rebuilt.
18882 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18884 * final.c (shorten_branches): Fix last change.
18886 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18888 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18890 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18892 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18895 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18897 * c-aux-info.c (concat): Don't define.
18899 * cccp.c (my_strerror): Likewise. All callers changed to use
18901 (do_include): Call xstrdup, not xmalloc/strcpy.
18902 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18903 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18905 * collect2.c (my_strsignal): Likewise. All callers changed to use
18907 (locatelib): Call xstrdup, not xmalloc/strcpy.
18909 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18911 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18913 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18915 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18917 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18919 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18921 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18923 (find_all_handler_type_matches): Likewise. Don't check return
18925 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18926 xmalloc, not malloc.
18927 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18929 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18930 (init_spec): Call xcalloc, not xmalloc/bzero.
18931 (set_spec): Call xstrdup, not save_string.
18932 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18933 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18934 (process_command): Call xstrdup, not save_string.
18935 (main): Call xcalloc, not xmalloc/bzero.
18937 * gcov.c (xmalloc): Don't define.
18938 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18939 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18940 (output_data): Call xcalloc, not xmalloc/bzero.
18942 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18944 * mips-tdump.c (xmalloc): Don't define.
18945 (print_symbol): Call xmalloc, not malloc.
18946 (read_tfile): Call xcalloc, not calloc.
18948 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18949 Don't define. All callers of xfree/my_strsignal changed to use
18950 free/strsignal instead.
18951 (allocate_cluster): Call xcalloc, not calloc.
18953 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18954 Fix memory leak, free allocated memory.
18956 * prefix.c (translate_name): Call xstrdup, not save_string.
18957 (update_path): Likewise.
18959 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18961 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18962 Don't define. Callers of xfree/savestring2 changed to use
18963 free/concat instead.
18965 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18966 (init_elim_table): Likewise.
18968 * resource.c (init_resource_info): Likewise.
18970 * stupid.c (stupid_life_analysis): Likewise.
18972 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18973 (open_dump_file): Call concat, not xmalloc/strcpy/...
18974 (clean_dump_file): Likewise.
18975 (compile_file): Call xstrdup, not xmalloc/strcpy.
18977 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18979 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18980 * v850.c (v850_va_arg): New.
18982 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18984 * haifa-sched.c: Tidy comments.
18986 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18988 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
18989 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
18990 $(out_object_file)): Depend on ggc.h.
18991 * c-common.c: Include "ggc.h".
18992 (combine_strings): If doing GC, use ggc_alloc_string.
18993 * c-decl.c: Include "ggc.h".
18994 (ggc_p): Define with value 0.
18995 (mark_binding_level): New function.
18996 (init_decl_processing): Add GC roots.
18997 (mark_c_function_context): New function.
18998 (lang_mark_false_label_stack): New function.
18999 (lang_mark_tree): New function.
19000 (lang_cleanup_tree): New function.
19001 * c-lang.c: Include "ggc.h".
19002 (lang_init): Call c_parse_init.
19003 * c-lex.c: Include "ggc.h".
19004 (check_linenum): If doing GC, don't copy filenames to permanent
19006 * c-parse.in: Include "ggc.h".
19007 (c_parse_init): New function.
19008 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
19009 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
19011 * except.c (mark_eh_state): Mark more state.
19012 * function.c (mark_function_state): Likewise.
19013 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
19014 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
19015 * toplev.c (mark_file_stack): New function.
19016 (compile_file): If doing GC, use ggc_alloc_string on input filename.
19017 (main): Add root for input_file_stack.
19019 * i386.c: Include "ggc.h".
19020 (ix86_mark_machine_status): New function.
19021 (override_options): Set mark_machine_status.
19023 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19025 * tree.c (copy_node): Copy node contents also if doing GC.
19027 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19029 * collect2.c (scan_libraries): Fix double-thinko :-).
19031 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
19033 * collect2.c (scan_libraries): Fix thinko.
19035 * cse.c (delete_trivially_dead_insns): Do not skip the last
19036 insn if it is a real insn.
19038 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
19040 * Makefile.in (ggc-simple.o): Depend on hash.h.
19041 * ggc.h (ggc_add_tree_hash_table_root): Declare.
19042 (ggc_mark_tree_varray): Likewise.
19043 (ggc_mark_tree_hash_table): Likewise.
19044 * ggc-simple.c: Include hash.h.
19045 (ggc_mark_tree_hash_table_ptr): New function.
19046 (ggc_mark_tree_hash_table_entry): Likewise.
19047 (ggc_mark_tree_hash_table): Likewise.
19048 (ggc_add_tree_hash_table_root): Likewise.
19049 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
19050 rtx, when defining fields.
19052 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19054 * profile.c (output_func_start_profiler): Remove apparently
19055 nonsensical call to start_sequence.
19057 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
19059 * clipper/clipper.c (clipper_va_start): Fix typos.
19061 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
19062 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
19063 (spur_va_arg): New stub.
19065 * configure.in: Comment out pyramid.
19067 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
19069 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
19070 don't conflict with the bits that win32, cygwin, and dgux
19073 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
19074 Bernd Schmidt <bernds@cygnus.co.uk>
19076 * integrate.c (function_cannot_inline_p): Do not inline
19077 functions with forced labels.
19079 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
19080 Bernd Schmidt <bernds@cygnus.co.uk>
19081 Mark Mitchell <mark@codesourcery.com>
19083 * Makefile.in (ggc-simple.o): Depend on varray.h.
19084 (rtl.o): Depend on ggc.h.
19085 (genattrtab.o): Depend on ggc.h.
19086 (print-tree.o): Likewise.
19087 (fold-const.o): Likewise.
19088 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
19089 (make_insn_raw): Don't cache insns when GC'ing.
19090 (emit_insn_before): Likewise.
19091 (emit_insn_after): Likewise.
19092 (emit_insn): Likewise.
19093 (start_sequence): Use xmalloc to allocate the sequence_stack.
19094 (end_sequence): Add free to free it.
19095 (gen_sequence): Don't cache insns when GC'ing.
19096 (clear_emit_caches): Don't use sequence_element_free_list.
19097 (init_emit): Use xcalloc, not xmalloc+bzero.
19098 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
19099 * function.c (pop_function_context_from): Use free to free the
19100 fixup_var_refs_queue.
19101 (put_reg_into_stack): Allocate it with xmalloc.
19102 * genattrtab.c: Include ggc.h.
19103 (operate_exp): Don't use obstack_free when GC'ing.
19104 (simplify_cond): Likewise.
19105 (simplify_text_exp): Likewise.
19106 (optimize_attrs): Likewise.
19107 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
19109 (gencode): Generate a #include for ggc.h.
19110 * ggc-callbacks.c (ggc_p): Define it to zero.
19111 * ggc-none.c (ggc_p): Likewise.
19112 * ggc-simple.c: Include varray.h.
19113 (ggc_mark_tree_varray): New function.
19114 (ggc_add_tree_varray_root): Likewise.
19115 (ggc_mark_tree_varray_ptr): Likewise.
19116 * ggc.h (ggc_p): Declare.
19117 (varray_head_tag): Likewise.
19118 (ggc_add_tree_varray_root): Declare.
19119 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19120 inconsistencies when GC'ing.
19121 * rtl.c: Include ggc.h.
19122 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19123 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19124 (rtx_free): Don't call obstack_free when GC'ing.
19125 * toplev.c (rest_of_compilation): Call ggc_collect after every
19127 * tree.c (push_obstacks): Do nothing, if GC'ing.
19128 (pop_obstacks_nochange): Likewise.
19129 (pop_obstacks): Likewise.
19130 (make_node): Use ggc_alloc_tree when GC'ing.
19131 (copy_node): Likewise.
19132 (get_identifier): Use ggc_alloc_string when GC'ing.
19133 (build_string): Likewise.
19134 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19135 (tree_cons): Likewise.
19136 (build1): Likewise.
19137 (type_hash_canon): Don't call obstack_free when GC'ing.
19139 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19141 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19142 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19144 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19145 Bernd Schmidt <bernds@cygnus.co.uk>
19146 Mark Mitchell <mark@codesourcery.com>
19148 * Makefile.in (stor-layout.o): Depend on ggc.h.
19149 (expr.o): Depend on ggc.h.
19150 (profile.o): Depend on ggc.h.
19151 (stor-layout.o): Depend on ggc.h.
19152 * emit-rtl.c (init_emit_once): Add gc roots.
19153 * expr.c: Include ggc.h.
19154 (emit_block_move): Add gc roots.
19155 (clear_storage): Likewise.
19156 * expr.h (init_stor_layout_once): New function.
19157 * profile.c: Include ggc.h.
19158 (init_arc_profiler): profiler_label is a root.
19159 * scan.c (make_sstring_space): Trust xrealloc to function
19160 correctly with first parameter NULL.
19161 * stor-layout.c: Include ggc.h.
19162 (set_sizetype): Add gc root.
19163 (init_stor_layout_once): New function.
19164 * toplev.c (compile_file): Call it.
19166 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19167 Bernd Schmidt <bernds@cygnus.co.uk>
19168 Mark Mitchell <mark@codesourcery.com>
19170 * Makefile.in (tree.o): Depend on ggc.h.
19171 (varasm.o): Likewise.
19172 (function.o): Likewise.
19173 (stmt.o): Likewise.
19174 (except.o): Likewise.
19175 (optabs.o): Likewise.
19176 (emit-rtl.o): Likewise.
19177 * emit-rtl.c: Include ggc.h.
19178 (sequence_element_free_list): Remove, and all references.
19179 (mark_sequence): New functions.
19180 (mark_emit_state): New function.
19181 * except.c: Include ggc.h.
19182 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19183 (mark_tree_label_node): New functions.
19184 (mark_eh_state): New function.
19185 * function.c: Include ggc.h.
19186 (mark_temp_slot, mark_function_chain): New functions.
19187 (mark_function_state): New function.
19188 (init_function_once): New function.
19189 * function.h (init_function_once): New function.
19190 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19191 * ggc.h (label_node): Declare.
19192 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19193 (lang_mark_false_label_stack): New function.
19194 (mark_temp_slot): Remove declaration.
19195 (mark_function_chain): Likewise.
19196 (mark_eh_state): Adjust prototype.
19197 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19199 * optabs.c: Include ggc.h.
19200 (mark_optab): New function.
19201 (init_optabs): Add gc roots.
19202 * stmt.c: Include ggc.h.
19203 (mark_cond_nesting, mark_loop_nesting): New functions.
19204 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19205 (mark_stmt_state): New function.
19206 * toplev.c (compile_file): Call init_function_once.
19207 * tree.c: Include ggc.h.
19208 (type_hash): Move declaration earlier in file.
19209 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19210 (init_obstacks): Add gc roots.
19211 (mark_type_hash): New function.
19212 * varasm.c: Include ggc.h.
19213 (mark_pool_constant): New function.
19214 (mark_varasm_state): New function.
19216 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19218 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19220 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19222 * c-decl.c (struct language_function): Renamed from struct c_function.
19224 (c_function_chain): Delete.
19225 (push_c_function_context): New arg F. Don't warn about nested
19226 functions here. Fill LANGUAGE elt of F. Delete code to update
19227 c_function_chain. Don't call push_function_context.
19228 (pop_c_function_context): New arg F. Restore from there instead of
19229 from c_function_chain. Don't call pop_function_context. Clear out
19230 LANGUAGE field of F when done.
19231 * c-lang.c: Include "function.h"
19232 (lang_init): Initialize save_lang_status and restore_lang_status.
19233 * c-parse.in (nested_function, nested_function_notype): Warn about
19234 nested functions. Call push_function_context/pop_function_context
19235 instead of the _c_ variants.
19236 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19238 * Makefile.in (c-lang.o): Update dependencies.
19240 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19241 regno_pointer_flag, regno_pointer_align.
19242 (gen_reg_rtx): Use xrealloc to enlarge them.
19243 (free_emit_status): New function.
19244 * function.c (mark_machine_status, mark_lang_status): New variables.
19245 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19246 in some bits from assign_stack_local. All callers changed to use new
19248 (assign_stack_local): Just call assign_stack_local_1.
19249 (free_after_compilation): New function.
19250 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19251 (trampoline_address): Likewise.
19252 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19253 (prepare_function_start): Explicitly clear some more variables.
19254 * function.h (struct function): New elt can_garbage_collect.
19255 (mark_machine_status, mark_lang_status): Declare variables.
19256 (free_after_compilation, free_emit_status, free_varasm_status,
19257 init_varasm_status): Declare functions.
19258 * toplev.c (rest_of_compilation): Call free_after_compilation when
19259 done with the current function.
19260 * varasm.c (free_varasm_status): New function.
19262 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19264 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19265 (EXPAND_BUILTIN_VA_ARG): Define.
19266 * sparc.c (sparc_va_start): New.
19267 (sparc_va_arg): New.
19269 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19271 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19273 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19275 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19277 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19279 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19280 (OBJS): Add $(GGC).
19281 (ggc-callbacks.o): New target.
19282 * ggc-callbacks.c: New file.
19284 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19286 * expr.h: Collapse individual optab and libfunc vars to arrays.
19287 (optab_index, libfunc_index): New enumerations.
19288 (optab_table, libfunc_table): New arrays.
19289 Add accessor macros for both.
19291 * optabs.c (optab_table, libfunc_table): New.
19292 Delete declarations for individual optab and libfunc vars.
19294 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19296 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19298 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19300 * Makefile.in (GGC, GGC_LIB): New.
19301 (HOST_RTL): Include ggc-none.o.
19302 (ggc-simple.o): New target.
19303 (ggc-none.o): Likewise.
19304 * tree.h (tree_common): Add gc_mark.
19305 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19306 (struct rtvec_def): Add gc_mark.
19307 * emit-rtl.c (global_rtl): Update static initializers to contain
19308 enough initializers.
19309 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19310 * toplev.c (gc_time): New variable.
19311 (all_time): New variable.
19312 (compile_file): Print gc time.
19313 (print_time): Calculate percentage of the whole.
19315 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19317 Change obstack memory management and varasm constant pool handling so
19318 that nested functions are treated like any other functions.
19319 * function.c (init_machine_status): New variable.
19320 (push_function_context_to): Set contains_functions for the outer
19321 function. Don't call save_varasm_status.
19322 (pop_function_context_from): Don't call restore_varasm_status. Don't
19323 set current_function_contains_functions.
19324 (prepare_function_start): Call init_varasm_status rather than
19325 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19327 * function.h (struct function) Add field varasm. Delete fields
19328 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19329 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19330 (init_machine_status): Declare.
19331 (save_varasm_status, restore_varasm_status): Delete declarations.
19332 (save_tree_status, restore_tree_status): Delete last argument.
19333 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19334 code. All callers changed.
19335 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19336 save_constants_in_decl_trees, restore_constants, save_constants,
19337 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19339 (inlining): New variable.
19340 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19341 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19343 (save_for_inline_nocopy): Don't save constants.
19344 Don't set inl_emit field in current_function.
19345 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19346 function. Set new variable inlining before
19347 calling copy_rtx_and_substitute.
19348 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19349 constant pool references if inlining is nonzero.
19350 Delete ADDRESS and (most of the) CONST cases.
19351 (output_inline_function): Save and restore current_function/
19352 current_function_decl. Delete restore_constants code. Don't call
19353 init_const_rtx_hash_table.
19354 * output.h (init_const_rtx_hash_table): Don't declare.
19355 * rtl.h (struct function): Declare.
19356 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19357 * toplev.c (rest_of_compilation): Don't treat nested functions or
19358 functions containing them specially. Delete all code to deal with
19359 save_for_inline_copying.
19360 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19361 inline_obstacks): Delete variables.
19362 (save_tree_status): Lose arg CONTEXT. All callers changed.
19363 Simply allocate a new function_maybepermanent_obstack for the new
19364 function, delete all the special cases.
19365 Don't save inline_obstacks.
19366 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19367 Delete special handling for function_maybepermanent_obstack; simply
19369 Don't restore inline_obstacks.
19370 (permanent_allocation): Delete code that frees inline_obstacks.
19371 (print_inline_obstack_statistics): Delete function.
19372 (dump_tree_statistics): Don't call it.
19373 * varasm.c (struct varasm_status): New.
19374 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19375 last_pool, pool_offset, const_double_chain): Delete global
19376 variables, replace with accessor macros.
19377 (immed_double_const): Don't walk const_double_chain outside a
19378 function, but don't treat nested functions specially anymore.
19379 (immed_real_const_1): Likewise.
19380 (clear_const_double_mem): Don't treat nested functions specially.
19381 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19382 (save_varasm_status, restore_varasm_status): Delete functions.
19383 (init_varasm_status): New function.
19384 (force_const_mem): Don't treat nested functions specially.
19385 (find_pool_constant): Accept new arg F, search for constants in
19386 that function's pool rather than the current one. All callers
19388 (get_pool_constant_for_function, get_pool_mode_for_function): New
19391 * i386.c (init_386_machine_status): New function, mostly from
19392 clear_386_stack_locals.
19393 (struct machine_functions): Rename element names to avoid name
19395 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19396 macros, replacing global variables.
19397 (clear_386_stack_locals, save_386_machine_status,
19398 restore_386_machine_status): Delete functions.
19399 (override_options): Initialize init_machine_status.
19400 * i386.h (INIT_EXPANDERS): Delete macro.
19401 (save_386_machine_status, restore_386_machine_status,
19402 clear_386_stack_locals): Delete declarations.
19404 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19406 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19407 (doloop_begin): Simplify pattern and use emit_jump_insn.
19408 (doloop_end): Simplify pattern, switch operand order,
19409 and use emit_jump_insn.
19411 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19413 * function.h (struct function): Add new element LANGUAGE.
19414 (save_lang_status): Declare new variable.
19415 (restore_lang_status): Likewise.
19416 * function.c (save_lang_status): Define.
19417 (restore_lang_status): Likewise.
19418 (push_function_context_to): Call language-specific save function.
19419 (pop_function_context_from): Call language-specific restore function.
19421 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19423 * i386.md (movsf_1): Check REG_P before use of REGNO.
19424 (movdf_1): Likewise.
19425 (movxf_1): Likewise.
19426 (extendsfdf2): Likewise.
19427 (extendsfxf2): Likewise.
19428 (extenddfxf2): Likewise.
19430 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19432 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19433 constants into memory.
19434 (c4x_shiftable_constant): New function.
19435 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19436 (c4x_shiftable_constant): Declare.
19437 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19438 ashlqi3_noclobber): Add new patterns and associated splitters.
19440 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19442 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19443 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19444 * final.c (shorten_branches): Likewise.
19445 * global.c (global_alloc): Likewise.
19446 * haifa-sched.c (build_control_flow): Likewise.
19447 * stmt.c (check_for_full_enumeration_handling): Likewise.
19448 (estimate_case_costs): Likewise.
19450 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19452 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19454 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19456 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19457 (recompute_reg_usage): Likewise.
19458 * rtlanal.c (find_regno_fusage): Likewise.
19460 * rtl.c (rtl_check_failed_code1): New function.
19461 (rtl_check_failed_code2): New.
19462 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19463 (RTL_CHECKC1, RTL_CHECKC2): New.
19464 (XC*): New accessor macros.
19465 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19466 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19467 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19468 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19469 (TRAP_*, RANGE_INFO_*): Likewise.
19471 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19473 * Makefile.in (tlink.o): Don't depend on toplev.h.
19475 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19476 output_file, nm_file_name, ldd_file_name, strip_file_name,
19477 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19478 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19479 fork_execute, maybe_unlink, add_to_list,
19480 extract_init_priority, write_list, dump_list,
19481 dump_prefix_list, write_list_with_asm, write_c_file,
19482 write_c_file_stat, write_c_file_glob, scan_prog_file,
19483 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19484 ignore_library, extract_string, notice, dump_file, target_machine,
19485 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19486 read_file, print_load_command): Constify a char*.
19487 (fdopen, error, fatal, fatal_perror): Don't prototype.
19488 (my_strerror): Remove. All callers use xstrerror instead.
19489 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19490 (main): Add prototype. Constify lots of char* ptrs. Change calls
19491 to xcalloc/strcpy/strcat/... to one call to concat.
19492 (main, scan_prog_file, scan_libraries): Use an intermediate
19493 `const char **' to build an argv array.
19494 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19496 * collect2.h (collect_execute, collect_wait, dump_file,
19497 file_exists): Constify a char*.
19498 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19499 temporary_firstobj, vflag, debug): Add extern declarations.
19500 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19502 * tlink.c: Don't include toplev.h.
19503 (vflag, debug, ldout, c_file_name, temporary_obstack,
19504 permanent_obstack, temporary_firstobj): Don't declare.
19505 (tlink_execute, frob_extension, symbol_hash_lookup,
19506 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19507 recompile_files, read_repo_files, demangle_new_symbols,
19508 scan_linker_output): Constify a char*.
19509 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19510 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19512 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19514 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19515 (relative) rather than jsr (absolute) subroutine call insns.
19516 * config/m68k/m68k-coff.h: Ditto.
19518 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19520 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19521 now rework these too.
19522 (arm_reorg): If an insn can't reach the end of the current pool,
19523 ensure that we emit that pool before the insn.
19525 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19527 * tlink.c (scan_linker_output): Skip the initial underscore in
19528 a mangled name if appropriate.
19530 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19532 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19533 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19534 error_with_ivar, gen_declarator, create_builtin_decl,
19535 my_build_string, generate_descriptor_table, generate_ivars_list,
19536 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19537 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19538 dump_base_name, lang_decode_option, build_encode_expr,
19539 start_class, finish_class, encode_pointer, really_start_method,
19540 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19542 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19543 Add static prototypes.
19544 (build_objc_string_decl, build_selector_reference_decl,
19545 encode_bitfield, build_class_reference_decl): Remove unused
19546 parameter, all callers changed.
19547 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19548 (objc_printable_name): Likewise. Change second parameter to type int.
19549 (init_objc): Use memcpy, not bcopy, to avoid casts.
19551 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19553 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19554 reg notes on a deleted insn.
19555 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19557 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19559 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19561 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19563 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19566 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19568 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19569 * tm.texi (MD_ASM_CLOBBERS): Document it.
19571 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19573 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19574 * except.c (expand_rethrow): Remove unused variable.
19575 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19576 * flow.c (replace_insns): Likewise.
19577 (create_edge_list, verify_edge_list): Likewise.
19578 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19580 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19581 is special code to run.
19582 (main): Don't define operands to emit_operand.
19583 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19585 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19587 * alpha/alpha.h (normal_memory_operand): Declare.
19588 (reg_no_subreg_operand): Declare.
19589 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19591 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19593 * c-parse.in (compstmt_primary_start): New, broken out of first
19594 part of compstmt handling in primary.
19595 (primary): Use it. Add an error clause.
19596 (compstmt_nostart): Renamed from compstmt; remove all
19597 initial invocations of compstmt_start.
19600 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19602 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19605 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19607 * combine.c (simplify_shift_const): Remove extra semicolon.
19608 * dwarf2out.c (remove_AT): Likewise.
19609 * expmed.c (expand_mult): Likewise.
19610 * gcov.c (create_program_flow_graph): Likewise.
19611 * reorg.c (mostly_true_jump): Likewise.
19613 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19615 * fold-const.c (fold_range_test): Do not try to fold the range
19616 test if the rhs or lhs has side effects.
19618 * combine.c (simplify_rtx): Recognize another case of a synthesized
19621 * varasm.c (mark_constant_pool): When marking indirect references,
19622 only look at SYMBOL_REFs.
19624 * except.c (expand_fixup_region_end): Do not peek at
19625 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19627 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19629 * flags.h: New variables align_loops, align_loops_log,
19630 align_jumps, align_jumps_log, align_labels, align_labels_log,
19631 align_functions, align_functions_log.
19632 * toplev.c: Define them.
19633 (f_options): Handle -falign-* when they have no argument.
19634 (main): Add logic to set variables for -falign-functions,
19635 -falign-jumps, -falign-labels, -falign-loops.
19636 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19637 (display_help): Change help to match options.
19638 * final.c (LABEL_ALIGN): Default to align_labels_log.
19639 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19640 (LOOP_ALIGN): Default to align_loops_log.
19641 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19642 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19643 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19644 * varasm.c (assemble_start_function): Handle align_functions.
19646 * config/sparc/sparc.h: Don't declare sparc_align_*.
19647 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19648 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19650 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19652 * config/sparc/sparc.c: Delete sparc_align_loops,
19653 sparc_align_jumps, sparc_align_funcs and the corresponding string
19655 (sparc_override_options): Default align_functions on ultrasparc.
19656 Delete -malign-* handling.
19658 * config/mips/mips.c (override_options): On 64-bit targets,
19659 try to align code to 64-bit boundaries.
19660 (print_operand): New substitution, %~,
19661 which aligns labels to align_labels_log.
19662 * config/mips/mips.md (div_trap_normal): Use %~.
19663 (div_trap_mips16): Likewise.
19665 (absdi2): Likewise.
19666 (ffssi2): Likewise.
19667 (ffsdi2): Likewise.
19668 (ashldi3_internal): Likewise.
19669 (ashrdi3_internal): Likewise.
19670 (lshrdi3_internal): Likewise.
19671 (casesi_internal): Likewise.
19673 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19675 Merge new ia32 backend from the branch!
19677 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19678 See ChangeLog.P2 on new_ia32_branch for details.
19680 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19681 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19682 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19683 * i386/gas.h (ASM_FILE_START): Define.
19684 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19685 for name change of ix86_valid_decl_attribute_p.
19686 (i386_pe_valid_type_attribute_p): Similarly.
19688 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19690 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19691 to step through CC modes.
19693 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19695 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19696 it would end up in the shadow of a live flags regsiter.
19698 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19700 * reload1.c: Fix many indentation problems.
19701 * reload.c: Likewise.
19703 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19705 * alias.c (non_local_reference_p): Constify fmt.
19707 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19709 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19711 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19713 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19714 the internal_arg_pointer.
19716 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19718 Merge peephole2 from new_ia32_branch:
19719 * Makefile.in (STAGESTUFF): Add *.peephole2.
19720 (mostlyclean): Likewise.
19721 (recog.o): Depend on resource.h.
19723 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19724 (final_scan_insn): Likewise for the invocation of peephole.
19725 * genconfig.c (main): Look for peephole and peephole2 patterns.
19726 Emit HAVE_peephole* accordingly.
19727 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19728 * flags.h (flag_peephole2): Declare.
19729 * toplev.c: New pass peephole2. New flag -fpeephole2.
19731 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19732 * gencodes.c (main): Likewise.
19733 * genextract.c (main): Likewise.
19734 * genoutput.c (main): Likewise.
19735 * genemit.c (max_operand_1): Look for the max scratch operand.
19736 (gen_rtx_scratch): New.
19737 (gen_exp): Use it, and pass on new arg subroutine_type.
19738 (gen_expand): Take max scratch into account.
19739 (gen_split): Emit peephole2 functions.
19740 (output_peephole2_scratch): New.
19741 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19742 * genrecog.c (routine_type): Add PEEPHOLE2.
19744 (make_insn_sequence): Match outer parallel for peep2. Discard
19745 top level scratches and dups.
19746 (add_to_sequence): New args insn_type and top. Update all callers.
19747 Handle toplevel peep2 matching insns.
19748 (write_subroutine): Handle peep2.
19749 (write_tree_1): Likewise.
19750 (write_tree): Likewise.
19752 (change_state): New arg afterward. Update all callers.
19753 Handle matching separate insns.
19754 * recog.c (recog_next_insn): New.
19755 (peephole2_optimize): New.
19756 * rtl.def (DEFINE_PEEPHOLE2): New.
19757 * resource.c (find_free_register): New argument last_insn. Use it
19758 to find a register available through the entire span.
19759 * resource.h (find_free_register): Update prototype.
19761 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19763 * i386.c (output_strlen_unroll): Don't write xops[7]
19764 label if it wasn't set.
19766 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19768 * cpplib.c (struct directive): Const-ify name pointer and
19769 function pointer prototype.
19770 (validate_else, do_define, do_line, do_include, do_undef,
19771 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19772 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19773 do_warning): Const-ify second arg.
19774 (directive_table): Mark const. Reorder entries by frequency
19775 of usage, record statistics.
19777 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19779 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19780 bounds- check RTL accesses if --enable-checking.
19781 (RTVEC_ELT): Bounds check if --enable-checking.
19782 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19783 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19784 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19786 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19787 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19789 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19790 (NOTE_SOURCE_FILE): Use X0STR.
19791 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19792 MEM_ALIAS_SET): Use X0INT.
19793 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19794 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19796 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19797 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19798 (rtl_check_failed_bounds, rtl_check_failed_type1,
19799 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19801 (fancy_abort): Fix comment.
19803 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19804 (cse_insn): Decrement LABEL_NUSES for jump target before
19805 deleting jump insn.
19806 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19807 * final.c (alter_subreg): Compute regno before changing x to
19808 REG; set REGNO(x) after changing it.
19809 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19810 notes containing CONST_INTs.
19811 (delete_eh_regions): Use NOTE_EH_HANDLER.
19812 * function.c (put_reg_into_stack): Make reg a MEM before
19814 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19816 (gen_mem_addressof): Make reg a MEM before initializing it.
19817 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19819 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19820 deleting an insn, not after.
19821 (block_alloc): Only look at PATTERN(insn) if we have to, and
19822 only if it's format class 'i'.
19823 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19824 CONST_INT before using its INTVAL.
19825 * print-rtl.c (print_rtx): Use X0STR.
19826 * regmove.c (fixup_match_1): Don't look at PATTERN of
19827 non-class-'i' insn chain elements.
19828 * reload.c (loc_mentioned_in_p): Take address of
19829 in->fld[1].rtx directly.
19830 * reload1.c (reload): Change reg to a MEM before initializing
19832 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19834 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19836 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19838 * config/mips/mips.c (machine_dependent_reorg): Force a
19839 barrier to output the local constant pool if a barrier hasn't
19840 been found at a natural point in the instruction stream.
19842 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19844 * c-parse.in (language_string): Constify.
19846 * dwarf2out.c (language_string): Remove declaration.
19848 * dwarfout.c (language_string): Likewise.
19850 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19852 * tree.h (language_string, init_parse, finish_parse): Declare.
19854 * i386/sun386.h (language_string): Remove declaration.
19856 * mips.h (language_string): Likewise.
19858 * nextstep.h (language_string): Likewise.
19860 * nextstep21.h (language_string): Likewise.
19862 * rs6000.c (language_string): Likewise.
19864 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19866 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19867 (getpwd.o): Remove target.
19869 * getpwd.c: Delete file. Its in libiberty now.
19871 * dbxout.c (getpwd): Don't prototype.
19872 * dwarf2out.c (getpwd): Likewise
19873 * dwarfout.c (getpwd): Likewise
19874 * final.c (getpwd): Likewise.
19875 * protoize.c (getpwd): Likewise.
19877 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19879 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19881 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19883 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19884 mark_set_resources.
19886 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19888 * fixinc/Makefile.in (subdir): New.
19889 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19892 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19894 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19895 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19898 * invoke.texi: Fix typo.
19900 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19901 changed. Handle autoincrement addressing modes.
19903 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19904 just like we would the virtual incoming args register when
19907 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19909 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19910 path, in .file directive.
19912 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19914 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19917 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19919 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19922 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19924 * tree.c (tree_code_name): Constify a char*.
19926 * tree.h (tree_code_name, decl_printable_name): Likewise.
19928 * function.h (struct function): Likewise.
19930 * toplev.c (decl_name, decl_printable_name): Likewise.
19932 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19934 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19935 (init_objc): Remove function pointer cast.
19937 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19939 * pa.md (interspace_jump): New pattern.
19940 (builtin_longjmp): New expander.
19942 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19944 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19945 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19946 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19948 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19950 * jump.c (delete_prior_computation): Also check calls
19951 to constant functions. Don't bother checking for a
19952 REG_UNUSED note before adding it.
19953 (delete_computation): Handle multi-word hard registers
19954 when synthesizing missing REG_DEAD notes for a register
19955 which is both set and used by an insn.
19957 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19959 * loop.c (this_loop_info): New variable.
19960 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19961 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19963 (prescan_loop, strength_reduce): New argument loop_info. All callers
19965 (scan_loop): New variable loop_info, initialise to address of
19967 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19968 Delete variable loop_has_multiple_exit targets and replace with
19969 field in this_loop_info.
19970 (find_and_verify_loops): Rename this_loop to this_loop_num.
19971 (strength_reduce): Delete loop_iteration_info. Replace variable
19972 loop_info with function argument of same name.
19973 (insert_bct): Rework test for loop being completely unrolled.
19975 * loop.h (struct loop_info): New fields num, loops_enclosed,
19976 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19977 has_indirect_jump, and cont. Redefine use of unroll_number.
19978 (loop_unroll_number): Delete.
19980 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19981 field of loop_info.
19982 (loop_iterations): Delete variable vtop and instead use
19983 loop_info->vtop computed in prescan_loop.
19985 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
19987 * fix-header.c (main): Do not pass a null pointer to strcmp.
19989 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
19991 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
19993 * configure: Rebuilt.
19995 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
19997 * jump.c (jump_optimize_1): Do not delete assignments to
19998 internal_arg_pointer.
19999 * cse.c (delete_trivially_dead_insns): Always consider a set of
20000 the internal_arg_pointer live.
20002 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
20004 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
20005 (update_life_info) [REG_WAS_0]: Search the original insns rather
20006 than the new insns for the note. Fix typos finding note_dest.
20007 If no dest found, discard the note rather than abort.
20008 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
20009 (replace_insns): Remove the old insn list after update_life_info
20012 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
20014 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
20015 sched_analyze_insn.
20016 (sched_analyze_1): Let add_dependence care for not adding dups.
20017 (sched_analyze_2): Likewise.
20018 (add_branch_dependences): Likewise.
20020 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
20022 * i386/winnt.c (export_list): New type.
20023 (exports_head): Rename to
20024 (export_head): this.
20025 (i386_pe_record_exported_symbol): Add is_data flag.
20026 (i386_pe_asm_file_end): Emit directive for exported variables.
20027 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
20029 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
20030 (ASM_DECLARE_OBJECT_NAME): Likewise.
20031 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20032 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
20034 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
20036 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
20038 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
20041 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
20043 * config/openbsd.h: Define SET_ASM_OP.
20044 * tm.texi: cross-reference SET_ASM_OP in the index.
20046 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
20048 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
20049 for a CONST_DOUBLE, at compile time. Initialize rtx_length
20050 and class_narrowest_mode at compile time. Kill init_rtl.
20051 Mark rtx_length, mode_class, mode_size, mode_unit_size,
20052 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
20053 rtx_format as const. Kill all references to EXTRA_CC_MODES or
20055 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
20057 * rtl.h: Declare rtx_length and rtx_format as const.
20058 * machmode.def: Define CC(). Use CC() to define CCmode. If
20059 EXTRA_CC_MODES is defined, expand it here.
20060 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
20061 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
20062 const. Kill all references to EXTRA_CC_MODES.
20064 * toplev.c: Don't prototype or call init_rtl.
20065 * optabs.c: Don't call init_mov_optab.
20066 * genemit.c: Don't generate init_mov_optab. Don't call
20068 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
20070 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
20071 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
20072 genrecog.c: Don't call init_rtl.
20074 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
20075 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
20076 definition of EXTRA_CC_MODES.
20078 * md.texi: Kill ref to EXTRA_CC_NAMES.
20079 * tm.texi: Document new way to define EXTRA_CC_MODES.
20081 * genrecog.c: Do not look up the name of a define_split.
20082 (Unrelated bugfix.)
20084 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
20086 * config/v850/v850.md: Fix typo introduced by previous delta.
20088 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20090 * gcc.c (fatal): Make definition static to match prototype.
20092 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20094 * combine.c (get_last_value): Don't look for earlier sets if the last
20095 known set is somewhere in between the insns being combined.
20097 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
20099 * configure.in: Don't use shell ! to negate exit codes
20100 * configure: Regenerate
20102 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
20104 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
20105 the fact that ALIGN is measured in bits, not bytes.
20107 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
20109 * errors.c: New file; defines functions error, warning, and
20110 fatal, variables have_error and progname.
20111 * errors.h: New file; prototypes and decls for stuff in errors.c.
20113 * Makefile: Add rules to build errors.o and
20114 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
20115 genopinit, genrecog, genextract, genpeep, genattr, and
20116 genoutput with errors.o. Add errors.h to deps of genconfig.o,
20117 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
20118 genpeep.o, genattr.o, and genoutput.o.
20120 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20121 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20122 define or prototype fatal. Set progname at beginning of main.
20123 * genoutput.c: Likewise, and don't define or prototype error
20126 * c-typeck.c (c_expand_start_case): Return immediately if exp
20128 * fold-const.c (operand_equal_p): Return immediately if arg1
20129 or arg0 are ERROR_MARKs.
20130 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20131 fields of type ERROR_MARK when calculating if the record can
20134 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20135 with much help from Jeffrey A Law and Richard Henderson
20137 * i386.md: In the 6 insns which call output_fix_trunc,
20138 earlyclobber operands[0].
20140 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20142 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20143 creating new registers.
20145 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20147 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20148 i386_reg_alloc_order, i386_regparm_string,
20149 i386_align_loops_string, i386_align_jumps_string,
20150 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20151 and i386_branch_cost_string as type "const char *".
20152 * i386.c: Define all above strings as type "const char *".
20154 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20156 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20157 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20159 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20161 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20162 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20164 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20166 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20167 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20168 (dwarf2out_line, dwarf2out_finish): Likewise.
20169 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20171 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20173 * tree.c (lang_unsave_expr_now) : Correct return type.
20174 * tree.h (lang_unsave_expr_now) : Same.
20176 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20178 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20179 instead of duplicating code.
20181 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20183 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20185 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20187 * tree.h: fancy_abort always takes three args.
20188 * resource.c: Move include of system.h before toplev.h.
20190 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20192 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20195 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20197 * system.h: Don't redefine abort or trim_filename.
20198 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20199 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20200 whether or not __FUNCTION__ is available.
20201 * tree.h: Duplicate rtl.h's definition of abort, for files
20202 that don't include rtl.h. Delete all code to perform type
20203 checking with a compiler other than GCC.
20204 * varray.h: Delete all code to perform type checking with a
20205 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20206 its arguments exactly once, using a statement expression.
20207 Adjust the VARRAY_<type> accessor macros to match.
20208 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20209 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20210 caller's location. Define fatal_insn and fatal_insn_not_found
20211 as macros that use _fatal_insn and _fatal_insn_not_found.
20212 (fancy_abort, trim_filename): Kill prototypes.
20214 * rtl.c (trim_filename): Move here from toplev.c.
20215 (fancy_abort): New function.
20216 (DIR_SEPARATOR): Provide default definition.
20217 * tree.c (tree_check_failed, tree_class_check_failed): Go
20218 through fancy_abort.
20219 (tree_check, tree_class_check, cst_or_constructor_check,
20220 expr_check): Delete.
20221 * varray.c (varray_check_failed): New function.
20222 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20223 _fatal_insn and _fatal_insn_not_found. Go through
20225 (trim_filename, fancy_abort): Delete.
20227 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20228 * except.c (start_catch_handler): Report ICE with error/abort
20230 * final.c (output_operand_lossage): Likewise.
20231 * flow.c (verify_flow_info): Likewise.
20233 * gcc.c: Prototype fatal.
20234 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20235 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20236 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20237 Don't define fancy_abort.
20239 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20241 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20244 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20246 * m88k.h (VERSION_INFO2): Kill.
20247 (VERSION_STRING): Kill.
20249 (VERSION_INFO1): Tidy.
20250 (TARGET_VERSION): Update.
20251 * m88k/dgux.h (VERSION_INFO2): Kill.
20252 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20253 * m88k/luna.h (VERSION_INFO1): Tidy.
20254 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20255 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20256 (output_file_start): Adjust for death of VERSION_STRING.
20258 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20260 * cpplib.c (detect_if_not_defined): New function.
20261 (do_if): Use it to detect potential once-only headers.
20263 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20265 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20267 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20269 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20270 anywere in the function only if they are pseudos and set before
20271 being used (not live at the start of the function).
20272 (num_sign_bit_copies) : Same.
20273 (get_last_value_validate) : Same.
20274 (get_last_value) : Same.
20276 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20278 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20279 where N and M are constant and N is an integer multiple of M.
20281 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20283 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20284 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20285 sbitmap_union_of_preds): Add prototypes.
20286 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20287 the intersection of successors with the new flow graph structures.
20288 (sbitmap_intersection_of_preds): New function to compute the
20289 intersection of predecessors with the new flow graph structures.
20290 (sbitmap_union_of_succs): New function to compute the union of
20291 successors with the new flow graph structures.
20292 (sbitmap_union_of_preds): New function to compute the union of
20293 predecessors with the new flow graph structures.
20294 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20295 (expr_reaches_here_p): Use edge and basic_block structures instead
20296 of s_preds and s_succs.
20297 (compute_cprop_avinout): Use new sbitmap routines.
20298 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20299 of s_preds and s_succs.
20300 * flow.c (compute_flow_dominators): Compute dominators using
20301 edges and basic blocks instead of s_preds and s_succs.
20303 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20305 * lists.c (unused_insn_list, unused_expr_list): New file for
20306 maintaining various types of lists. New statics for maintaining a
20307 cache of available INSN_LIST and EXPR_LIST nodes.
20308 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20309 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20310 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20311 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20312 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20313 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20314 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20315 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20316 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20317 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20318 (remove_dependence, free_pending_lists): Use new global routines.
20319 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20320 (sched_analyze, compute_block_backward_dependences): Use new routines.
20321 (sched_analyze_1, sched_analyze_2): Use new routines.
20322 (schedule_insns): Use new global routines.
20323 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20325 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20326 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20328 * toplev.c (rest_of_compilation): Initialize node cache.
20329 * Makefile.in (OBJS): Add lists.o to list of object files.
20330 (lists.o): Add dependancies.
20332 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20334 * config/v850/v850.md: Fix compile time warning messages.
20335 * config/v850/v850.c: Fix compile time warning messages.
20336 * config/v850/v850.h: Fix compile time warning messages.
20338 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20340 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20341 Remove unused prototype for `init_lengths'.
20343 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20345 * calls.c (emit_call_1): Mark parameter `stack_size' with
20347 (expand_call): Initialize variable `insn'.
20348 (emit_library_call): Likewise for variable `high_to_save'.
20349 (emit_library_call_value): Likewise.
20350 (store_one_arg): Likewise for variables `lower_bound' and
20353 * combine.c (try_combine): Likewise for variables `i2_code_number'
20354 and `other_code_number'.
20355 (find_split_point): Likewise for variables `pos', `unsignedp' and
20357 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20358 (simplify_and_const_int): Remove unused variable `width'.
20359 (merge_outer_ops): Likewise.
20361 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20362 HOST_WIDE_INT' when comparing against one.
20363 (simplify_relational_operation): Likewise.
20364 (cse_insn): Initialize variables `src_eqv_volatile',
20365 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20367 * final.c (init_final): Constify parameter `filename'.
20368 (final_start_function): Mark parameter `optimize' with
20370 (profile_function): Likewise for parameters `first' and `optimize'.
20371 (output_source_line): Likewise for parameter `file'.
20373 * integrate.c (subst_constants): Cast a value to `size_t' when
20374 comparing against one.
20375 (mark_stores): Initialize variable `mode'. Cast a value to
20376 `size_t' when comparing against one.
20378 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20380 * loop.c (move_movables): Initialize variable `first'.
20381 (strength_reduce): Likewise for variable `increment'.
20382 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20383 value to `size_t' when comparing against one.
20384 (load_mems): Initialize variable `end_label'.
20386 * output.h (init_final): Constify parameter.
20388 * reload.c (decompose): Initialize variable `base'.
20390 * reload1.c (reload): Likewise for variable `is_scalar'.
20391 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20392 (choose_reload_regs): Initialize variable `mode'.
20393 (emit_reload_insns): Likewise for variable `store_insn'.
20394 (reload_cse_noop_set_p): Mark parameter `insn' with
20396 (reload_combine): Initialize variable `set'.
20398 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20399 (copy_loop_body): Cast a value to `size_t' when comparing against
20402 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20403 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20404 (remove_from_pending_weak_list): Mark parameter `name' with
20407 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20409 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20412 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20414 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20415 (ASM_DECLARE_FUNCTION_NAME): Define.
20416 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20417 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20418 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20419 not already defined.
20421 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20423 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20424 of n_popped when call/call_value are not defined.
20426 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20428 * tm.texi: GNU CC -> GCC conversion.
20429 (CC1_SPEC): Indicate it is used for all language front ends.
20431 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20433 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20434 NOTE_INSN_EH_REGION_END correctly.
20436 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20437 Jeff Law <law@cygnus.com>
20439 * loop.c (strength_reduce): Automatically unroll loops if the
20440 unrolled loop size is smaller than the rolled loop size.
20442 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20443 and delete comment that code should be rewritten.
20445 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20447 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20450 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20452 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20454 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20455 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20456 (LINK_SPEC): Add -u _main when building executables.
20457 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20458 (ASM_FILE_END): Use the default for ix86-pe.
20459 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20461 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20463 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20464 and ASM_CLOSE_PAREN are empty strings.
20466 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20467 Geoffrey Keating <geoffk@cygnus.com>
20469 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20470 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20471 (unprotoize.o): Ditto.
20472 (test-protoize-simple): Don't define STD_PROTO_DIR.
20473 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20474 changes to make 'test-protoize-simple' pass.
20475 (STD_PROTO_DIR): Remove define.
20476 (STANDARD_EXEC_PREFIX): Supply default define.
20477 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20478 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20479 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20480 (GET_ENV_PATH_LIST): New macro.
20481 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20482 (do_processing): Initialize default_syscalls_dir using new
20483 macros. Use it to initialize syscalls_absolute_filename.
20485 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20487 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20488 B into a register before emit_conditional_move.
20490 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20492 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20493 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20494 multiplicand out of (+ (* a b) (* c d)).
20496 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20497 Richard Henderson <rth@cygnus.com>
20499 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20500 (new_insn_dead_notes): Likewise.
20501 (update_n_sets): Likewise.
20502 (update_flow_info): Move to flow.c, renamed to update_life_info;
20503 extend to handle multiple source insns.
20504 * flow.c: Include resource.h
20505 (unlink_insn_chain): New.
20506 (split_hard_reg_notes): New.
20507 (maybe_add_dead_note): New.
20508 (maybe_add_dead_note_use): New.
20509 (find_insn_with_note): New.
20510 (new_insn_dead_notes): New.
20511 (update_n_sets): New.
20512 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20513 (maybe_remove_dead_notes): New.
20514 (update_life_info): New.
20515 (prepend_reg_notes): New.
20516 (replace_insns): New.
20517 * output.h (update_life_info): Declare.
20518 * recog.c (split_block_insns): Use update_life_info.
20519 * resource.c (find_free_register): Use reg_alloc_order, don't use
20520 fixed regs, make sure the mode is supported, don't use new regs.
20522 * rtl.h (replace_insns): Declare.
20524 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20526 * expr.c (expand_expr): Cope with COND_EXPRs with one
20527 non-returning branch.
20529 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20531 * expr.c (store_expr): Always pass down the target, even when not
20534 1999-08-24 Nick Clifton <nickc@cygnus.com>
20536 * configure.in: Define target_cpu_default for v850 targets.
20537 * configure: Regenerate
20539 * config/v850/v850.h (TARGET_CPU_generic): Define.
20540 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20541 addresses are 4 byte aligned.
20543 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20546 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20548 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20549 (main): Add prototypes.
20551 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20552 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20553 (write_attr_get): Emit prototypes along with function definition.
20554 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20555 (write_complex_function): Emit static prototype along with
20556 function definition.
20558 * genemit.c (gen_split): Emit prototypes along with function
20561 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20562 Likewise for predicates and `insn_operand_predicate'.
20563 (process_template): Emit static prototype along with function
20566 * genrecog.c (make_insn_sequence): Constify a char*. Add
20567 prototypes for get_split_*().
20568 (write_subroutine): Emit prototypes along with function
20571 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20573 * gcse.c (find_avail_set): Follow chains of register-register copies.
20574 Use oprs_not_set_p to guarantee that the returned value can be
20576 (cprop_insn): Don't verify the return value of find_avail_set with
20579 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20580 (cprop_cc0_jump): New function.
20581 (cprop_insn): Break out new function cprop_jump and use it.
20582 Also use cprop_cc0_jump for machines with CC0.
20583 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20585 * tree.h (current_function_calls_setjmp,
20586 current_function_calls_longjmp): Delete declarations.
20587 * dsp16xx.c: Include "function.h".
20588 * elxsi.c: Likewise.
20589 * gmicro.c: Likewise.
20590 * h8300.c: Likewise.
20591 * i370.c: Likewise.
20592 * m32r.c: Likewise.
20593 * mn10200.c: Likewise.
20594 * mn10300.c: Likewise.
20595 * ns32k.c: Likewise.
20596 * spur.c: Likewise.
20597 * v850.c: Likewise.
20599 * rtl.h (rtx_equal_function_value_matters): Declare.
20600 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20602 * function.c: Likewise.
20603 * emit-rtl.c: Likewise.
20605 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20607 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20610 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20612 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20615 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20617 * cpp.texi: Add a node documenting macro varargs (copied
20620 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20622 * cppspec.c: Put a null pointer at the end of the new argv.
20624 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20626 * configure.in: Remove code to select/de-select the haifa
20627 scheduler. Every scheduled port gets haifa now.
20628 * configure: Rebuilt.
20629 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20631 * Makefile.in: Corresponding changes.
20633 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20635 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20636 All callers changed.
20637 (prepare_float_lib_cmp): Likewise.
20638 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20639 * expr.h (emit_float_lib_cmp): Delete declaration.
20640 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20641 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20642 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20644 (cmptf): Now conditional on TARGET_HARD_QUAD.
20646 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20648 * resource.c (mark_target_live_regs): Use
20649 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20651 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20653 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20655 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20657 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20659 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20661 * rtl.h (rtx_format): Constify a char*.
20663 * rtl.c (rtx_format): Likewise.
20664 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20665 (init_rtl): Use accessor macro, not `rtx_format'.
20667 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20670 * caller-save.c (mark_referenced_regs): Likewise.
20672 * combine.c (subst, make_compound_operation, known_cond,
20673 gen_rtx_combine, update_table_tick, get_last_value_validate,
20674 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20676 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20677 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20678 count_reg_usage): Likewise.
20680 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20683 * final.c (leaf_renumber_regs_insn): Likewise.
20685 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20686 dump_edge_info, count_reg_references): Likewise.
20688 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20689 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20692 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20693 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20694 add_label_notes): Likewise.
20696 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20697 clear_struct_flag, count_sub_rtxs, count_alternatives,
20698 compares_alternatives_p, contained_in_p, walk_attr_value,
20699 write_expr_attr_cache): Likewise.
20701 * genconfig.c (walk_insn_part): Likewise.
20703 * genemit.c (max_operand_1, gen_exp): Likewise.
20705 * genextract.c (walk_rtx): Likewise.
20707 * genflags.c (num_operands): Likewise.
20709 * genoutput.c (scan_operands): Likewise.
20711 * genpeep.c (match_rtx): Likewise.
20713 * genrecog.c (add_to_sequence): Likewise.
20715 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20718 * integrate.c (save_constants, copy_for_inline,
20719 copy_rtx_and_substitute, subst_constants, restore_constants):
20722 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20723 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20725 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20728 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20729 add_label_notes, replace_call_address, count_nonfixed_reads,
20730 invariant_p, find_single_use_in_loop, find_mem_givs,
20731 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20734 * print-rtl.c (reg_names, print_rtx): Likewise.
20736 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20738 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20739 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20740 print_blocks): Likewise.
20742 * regclass.c (fix_register, record_address_regs,
20743 reg_scan_mark_refs): Likewise.
20745 * regmove.c (stable_but_for_p): Likewise.
20747 * reload.c (loc_mentioned_in_p, operands_match_p,
20748 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20749 copy_replacements, refers_to_regno_for_reload_p,
20750 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20751 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20754 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20755 delete_address_reloads_1, count_occurrences,
20756 reload_cse_mem_conflict_p, reload_combine_note_use,
20757 add_auto_inc_notes): Likewise.
20759 * resource.c (mark_referenced_resources, mark_set_resources):
20762 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20763 reg_mentioned_p, regs_set_between_p, modified_between_p,
20764 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20765 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20766 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20767 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20769 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20771 * stupid.c (stupid_mark_refs): Likewise.
20773 * unroll.c (remap_split_bivs): Likewise.
20775 * varasm.c (mark_constants): Likewise.
20777 * a29k/a29k.c (uses_local_reg_p): Likewise.
20779 * alpha/alpha.c (summarize_insn): Likewise.
20781 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20782 eliminate_lr2ip): Likewise.
20784 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20786 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20787 reg_mentioned_in_mem): Likewise.
20789 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20790 symbolic_reference_mentioned_p): Likewise.
20792 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20794 * sh/sh.c (regs_used, mark_use): Likewise.
20796 * vax/vax.c (vax_rtx_cost): Likewise.
20798 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20800 * machmode.h (mode_name): Constify a char*.
20802 * rtl.c (mode_name): Likewise.
20804 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20806 * optabs.c (init_libfuncs): Constify a char*.
20808 * print-tree.c (mode_name): Remove redundant declaration.
20809 (print_node): Use accessor macro, not `mode_name'.
20811 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20813 (new_spill_reg): Constify a char*.
20815 * tree.c (mode_name): Remove redundant declaration.
20817 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20819 * rtl.c (rtx_name): Constify a char*.
20821 * rtl.h (rtx_name, fix_sched_param): Likewise.
20823 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20824 (mypr): Use accessor macro, not `rtx_name'.
20826 * genemit.c (print_code): Constify a char*.
20828 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20830 * genpeep.c (print_code): Constify a char*.
20832 * genrecog.c (print_code): Likewise.
20834 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20835 end_bb): Add static prototype.
20836 (draw_edge): Constify a char*.
20837 (end_bb): Remove unused parameter.
20839 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20840 print_block_visualization): Constify a char*.
20842 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20844 * c-common.c (c_get_alias_set): Update comment.
20846 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20848 * linux.h (LIB_SPEC): Added.
20850 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20852 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20854 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20856 * tree.c (expr_check): Fix typo in last change.
20858 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20860 * rtl.def (NOTE): Change format to "iuu0n".
20861 (ADDR_DIFF_VEC): Change format to "eEee0".
20862 (ADDRESSOF): Change format to "eit".
20864 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20865 (RTVEC_ELT): Change to match.
20866 (XVECEXP): Use XVEC and RTVEC_ELT.
20867 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20868 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20869 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20870 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20871 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20872 (INTVAL): Use XWINT.
20873 (ADDRESSOF_DECL): Use XTREE.
20874 (SET_ADDRESSOF_DECL): Delete.
20875 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20876 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20877 ifdefed out since 2.6 at least.
20878 (gen_rtvec_vv): Delete prototype.
20880 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20882 (copy_most_rtx): Handle 't' format letter.
20883 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20884 (gen_rtvec_vv): Delete function. All callers changed to use
20885 gen_rtvec_v instead.
20886 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20887 the '0' format letter.
20889 * function.c (gen_mem_addressof): Don't use
20890 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20892 * integrate.c (copy_rtx_and_substitute): Likewise.
20893 Copy 't' slots with XTREE.
20894 (subst_constants): Treat 't' slots like '[swi]' slots.
20895 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20896 * jump.c (rtx_equal_for_thread_p): Likewise.
20897 * rtlanal.c (rtx_equal_p): Likewise.
20898 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20899 only four arguments.
20900 * gengenrtl.c (type_from_format): Provide correct types for
20904 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20905 If a recent gcc is in use (always in stage2 and beyond), use
20906 statement expressions, so we don't make a function call unless
20907 the check fails. Evaluate arguments exactly once.
20908 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20909 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20911 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20912 they evaluate their arguments exactly once, irrespective of
20913 the compiler in use.
20915 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20916 is used by the currently-enabled check macros. This is:
20917 (tree_check_failed, tree_class_check_failed): For gcc.
20918 (tree_check, tree_class_check, cst_or_constructor_check,
20919 expr_check): For other compilers.
20921 * gencheck.c: Do not define any *_CHECK1 macros.
20923 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20924 Mark Mitchell <mark@codesourcery.com>
20926 * c-common.c (c_get_alias_set): Fix support for poitners and
20929 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20931 * alias.c: Include tree.h.
20932 (nonlocal_reference_p, mark_constant_function): New functions.
20933 * flow.c (life_analysis): Call mark_constant_function.
20934 * rtl.h (mark_constant_function): Declare it.
20936 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20938 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20939 unrecognisable switches.
20941 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20943 * loop.c (recombine_givs): Set ix field after sorting.
20944 (recombine_givs): Remove bogus index / giv lockstep looping.
20946 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20948 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20950 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20951 (do_cmp_and_jump): Formatting fixes.
20952 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20953 do_compare_rtx_and_jump instead of compare_from_rtx.
20954 (do_compare_rtx_and_jump): New function; mostly copied from
20956 (do_jump_for_compare): Delete.
20957 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20959 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20960 of compare/do_jump_for_compare pairs.
20961 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20962 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20963 compare_from_rtx/do_jump_for_compare pairs.
20964 (do_jump_by_parts_equality): Likewise.
20965 (do_jump_by_parts_equality_rtx): Likewise.
20966 * expr.h (do_compare_rtx_and_jump): Declare.
20967 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20968 that used to be in emit_cmp_insn.
20969 (cmp_available_p): New function.
20970 (prepare_operand): New function.
20971 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20972 to be in emit_cmp_insn.
20973 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20974 parameters to be pointers; don't emit final compare but modify some of
20975 the values pointed to by the args so the caller can perform the
20976 correct comparison.
20977 (expand_binop): Call emit_store_flag_force with signed forms of
20979 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20980 emit_jump_insn pair.
20981 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20982 emit_cmp_and_jump_insn_1. Call emit_queue.
20983 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20985 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20986 jump sets cc0 before deleting it.
20987 * integrate.c (expand_inline_function): Likewise.
20988 * unroll.c (unroll_loop): Similar changes in several places.
20989 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
20990 before deleting it.
20992 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20994 * Makefile.in (insn-recog.o): Update dependencies.
20995 * genrecog.c (main): Make generated file include "function.h".
20997 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
20999 * cse.c (cse_insn): Call never_reached_warning when a jump is
21000 changed to be unconditional.
21001 * flags.h: Declare warn_notreached.
21002 * flow.c (delete_block): Call never_reached_warning when
21003 a block is deleted.
21004 * jump.c (delete_barrier_successors): Call never_reached_warning
21005 when we delete everything after a BARRIER.
21006 (never_reached_warning): New function.
21007 * rtl.h: Declare never_reached_warning.
21008 * toplev.c (warn_notreached): New variable.
21009 (lang_independent_options): Set warn_notreached
21010 when -Wunreachable-code.
21011 (compile_file): We need line numbers for -Wunreachable-code.
21013 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
21015 * haifa-sched.c (insn_unit): Fix typo on out of range test.
21016 * sched.c (insn_unit): Likewise.
21018 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
21020 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
21022 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21024 * flow.c (create_edge_list): Use xmalloc, not malloc.
21026 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
21028 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
21029 C-style comments. Do not lose the character before double slash.
21031 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21033 * basic-block.h (struct edge_list): Stucture to maintain a vector
21035 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
21036 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
21037 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
21038 New function prototypes.
21039 * flow.c (create_edge_list): Function to create an edge list.
21040 (free_edge_list): Discards memory used by an edge list.
21041 (print_edge_list): Debug output showing an edge list.
21042 (verify_edge_list): Internal consistency check for an edge list.
21043 (find_edge_index): Function to find an edge index for a pred and succ.
21045 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
21047 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
21050 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
21052 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
21054 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
21056 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21058 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
21060 * toplev.c (rest_of_compilation): Allow machine dependent
21061 reorganisation pass to place information into the RTL dump
21062 file if it so wishes.
21064 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
21066 * explow.c (hard_function_value): Use VOIDmode instead of
21068 * stmt.c (expand_return): Likewise.
21069 * stor-layout.c (get_best_mode): Likewise.
21071 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
21072 emit call instead of emit_insn call.
21074 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21076 * configure.in: Handle --disable/enable-win32-registry.
21077 * install.texi: Document --disable/enable-win32-registry.
21078 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
21079 (WIN32_REGISTRY_KEY): New macro.
21080 * prefix.c: Use to enable/disable win32-specific code.
21081 (lookup_key): Use versioned key.
21082 * configure: Regenerate.
21083 * config.in: Likewise.
21085 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
21087 * cpplib.c (read_line_number): New fn, split out of...
21090 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21092 tree.c (lang_unsave_expr_now) : New.
21093 (unsave_expr_now): Call lang_unsave_expr_now.
21094 tree.h (lang_unsave_expr_now) : New.
21096 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
21098 * toplev.c (flag_new_exceptions): On by default.
21100 1999-08-13 Michael Meissner <meissner@cygnus.com>
21102 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
21104 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21106 * dwarfout.c (fundamental_type_code): Return FT_boolean for
21107 INTEGER_TYPE with precision==1, it's __java_boolean.
21109 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21111 * global.c (prune_preferences): Move some invariants out of the
21114 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
21116 * configure.in (alpha*-dec-osf*): Add osf5.
21118 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21120 * configure.in: Rework handling of ARM GNU/Linux slightly.
21121 (arm*-*-linux-gnuoldld): New target.
21122 * configure: Regenerate.
21123 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21124 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21125 * config/arm/linux-oldld.h: New file.
21126 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21127 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21129 * config/arm/linux-elf.h (ASM_SPEC): Define.
21130 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21131 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21132 for 26-bit APCS and old linker.
21133 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21135 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21136 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21137 don't define `arm' or `arm_elf'.
21138 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21139 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21141 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21143 * rtl.texi: Fix typo.
21145 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21147 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21149 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21151 * extend.texi (C++ Signatures): Remove node.
21152 * invoke.texi: Remove discussion of -fhandle-signatures,
21153 signature, sigof, __signature__, and __sigof__.
21155 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21157 * Makefile.in (JAVAGC): Removed.
21159 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21161 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21163 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21165 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21167 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21169 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21170 a register that is already known to be a pointer.
21172 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21174 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21175 * fixinc/inclhack.sh: Regenerated.
21176 * fixinc/fixincl.sh: Regenerated.
21178 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21180 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21181 Fix documentation of -ansi flag to describe its C++ behavior.
21182 Remove bogus reference to GCC 2.9.
21184 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21186 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21187 note if it is non-NULL.
21189 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21191 * except.h (eh_nesting_info): Add new structure defintion.
21192 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21193 (reachable_handlers, update_rethrow_references): Add function
21195 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21196 a rethrow symbol instead of an integer exception region number.
21197 * flow.c (Make_edges): Use new exception nesting routines to determine
21198 which handlers are reachable from a CALL or asynchronous insn.
21199 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21201 (delete_eh_regions): Update rethrow labels, and don't delete
21202 regions which are the target of a rethrow.
21203 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21204 avoid overloading the SYMBOL_REF_USED flag.
21205 (rethrow_symbol_map): Use new rethrow_ref field.
21206 (rethrow_used): Use new rethrow_ref field.
21207 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21208 of an integer. Fix formatting.
21209 (output_exception_table_entry): Use new rethrow_ref field.
21210 (can_throw): Check for EH_REGION_NOTE before deciding
21211 whether a CALL can throw or not.
21212 (scan_region): Call rethrow_used() instead of accessing data structure.
21213 (update_rethrow_references): New function to make sure only regions
21214 which are still targets of a rethrow are flagged as such.
21215 (process_nestinfo): New static function to initialize a handler
21216 list for a specific region.
21217 (init_eh_nesting_info): New function to allocate and initialize
21218 the list of all EH handlers reachable from all regions.
21219 (reachable_handlers): New function to retrieve the list of handlers
21220 reachable from a specific region and insn.
21221 (free_eh_nesting_info): New function to dispose of a list of
21222 reachable handlers.
21224 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21226 * flow.c (split_edge): Set JUMP_LABEL field.
21227 (commit_one_edge_insertion): Set head correctly for insert_before.
21228 When inserting insns, update insn block numbers if allocated.
21230 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21232 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21233 retry_incomplete_types): Add static prototype.
21234 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21235 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21236 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21237 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21238 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21241 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21242 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21244 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21246 * output.h (assemble_name): Constify a char*.
21248 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21249 assemble_variable, assemble_name): Likewise.
21251 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21253 * arm/pe.c (arm_pe_unique_section): Likewise.
21255 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21257 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21259 * i386/interix.c (i386_pe_unique_section): Likewise.
21261 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21263 * i386/winnt.c (i386_pe_unique_section): Likewise.
21265 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21267 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21269 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21271 * pa/pa.c (output_call): Likewise.
21273 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21275 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21277 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21280 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21283 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21285 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21286 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21288 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21290 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21292 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21294 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21296 * tree.h (lang_identify): Constify a char*.
21297 (print_error_function): Add extern prototype. Constify a char*.
21299 * c-lang.c (lang_identify): Constify a char*.
21301 * objc/objc-act.c (lang_identify): Constify a char*.
21303 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21305 * genpeep.c (main): Make generated file include "function.h".
21306 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21308 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21310 * Makefile.in: Update dependencies.
21311 * alias.c: Include "function.h"
21312 * c-decl.c: Likewise.
21313 * caller-save.c: Likewise.
21314 * calls.c: Likewise.
21315 * combine.c: Likewise.
21317 * explow.c: Likewise.
21318 * final.c: Likewise.
21319 * global.c: Likewise.
21320 * graph.c: Likewise.
21321 * local-alloc.c: Likewise.
21322 * loop.c: Likewise.
21323 * optabs.c: Likewise.
21324 * profile.c: Likewise.
21325 * recog.c: Likewise.
21326 * regclass.c: Likewise.
21327 * regmove.c: Likewise.
21328 * reload.c: Likewise.
21329 * reorg.c: Likewise.
21330 * resource.c: Likewise.
21331 * sched.c: Likewise.
21332 * stupid.c: Likewise.
21333 * config/1750a/1750a.c: Likewise.
21334 * config/a29k/a29k.c: Likewise.
21335 * config/arc/arc.c: Likewise.
21336 * config/arm/arm.c: Likewise.
21337 * config/arm/thumb.c: Likewise.
21338 * config/c4x/c4x.c: Likewise.
21339 * config/clipper/clipper.c: Likewise.
21340 * config/convex/convex.c: Likewise.
21341 * config/fx80/fx80.c: Likewise.
21342 * config/i860/i860.c: Likewise.
21343 * config/m68k/m68k.c: Likewise.
21344 * config/m88k/m88k.c: Likewise.
21345 * config/mips/mips.c: Likewise.
21346 * config/pdp11/pdp11.c: Likewise.
21347 * config/pyr/pyr.c: Likewise.
21348 * config/romp/romp.c: Likewise.
21349 * config/sh/sh.c: Likewise.
21350 * config/tahoe/tahoe.c: Likewise.
21351 * config/vax/vax.c: Likewise.
21352 * config/we32k/we32k.c: Likewise.
21353 * config/sparc/sparc.c: Include "function.h".
21354 (mem_min_alignment): Test current_function rather than
21355 regno_pointer_align.
21356 * config/pa/pa.c: Likewise.
21357 (compute_frame_size): Delete declaration of
21358 current_function_outgoing_args_size.
21359 * config/arc/arc.h (current_function_varargs): Delete declaration.
21360 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21362 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21364 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21365 current_function_uses_pic_offset_table.
21366 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21367 of current_function_returns_pointer.
21368 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21369 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21370 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21371 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21372 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21373 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21374 * config/m88k/m88k.c: Include "function.h"
21375 (call_used_regs, current_function_pretend_args_size,
21376 current_function_outgoing_args_size, frame_pointer_needed): Delete
21378 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21380 * config/mips/mips.h (current_function_calls_alloca): Delete
21382 * config/mn10200/mn10200.h (current_function_needs_context,
21383 rtx_equal_function_value_matters): Delete declarations.
21384 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21385 flag_pic): Delete declarations.
21386 * config/pa/pa.h (current_function_pretend_args_size,
21387 current_function_decl): Delete declarations.
21388 * config/pa/som.h (current_function_varargs): Delete declaration.
21389 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21391 * config/pyr/pyr.h (current_function_pretend_args_size,
21392 current_function_args_size, current_function_calls_alloca): Delete
21394 * config/sh/sh.h (current_function_varargs): Delete declaration.
21395 * config/sparc/sparc.h (current_function_outgoing_args_size,
21396 current_function_calls_alloca, current_function_decl): Delete
21398 * config/spur/spur.h (current_function_pretend_args_size,
21399 current_function_calls_alloca): Delete declarations.
21400 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21402 * config/vax/vms.h (current_function_name): Delete declaration.
21403 * gcse.c: Include "function.h".
21404 (current_function_name, current_function_calls_setjmp): Delete
21406 * haifa-sched.c: Include "function.h".
21407 (forced_labels): Delete declaration.
21408 * jump.c: Likewise.
21409 * reg-stack.c: Likewise.
21410 * reload1.c: Likewise.
21411 * genemit.c (main): Make generated file include function.h.
21412 * genoutput.c (output_prologue): Likewise.
21414 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21415 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21416 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21417 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21418 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21419 macros for some of them.
21420 (emit_filename, emit_lineno): Delete declarations.
21421 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21422 regno_pointer_* variables through current_function.
21423 (gen_inline_header_rtx): Delete function.
21424 (save_emit_status): Delete function.
21425 (set_new_last_label_num): New function.
21426 (clear_emit_caches): New function.
21427 (restore_emit_status): Just clear last_labelnum and call
21429 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21430 through macro seq_stack.
21431 (add_insn_after): Likewise.
21432 (add_insn_before): Likewise.
21433 (remove_insn): Likewise.
21434 (pop_topmost_sequence): Likewise.
21435 (in_sequence_p): Likewise.
21436 (start_sequence_for_rtl_expr): Likewise.
21437 (start_sequence): Likewise, and likewise for
21438 sequence_rtl_expr/seq_rtl_expr.
21439 (push_topmost_sequence): Likewise.
21440 (end_sequence): Likewise.
21441 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21442 All callers changed. Store into that pointer instead of globals.
21443 (init_emit): Allocate emit elt of current_function.
21444 Changes for sequence_rtl_expr/sequence_stack renaming.
21445 Call clear_emit_caches instead of doing it in-line.
21446 Access regno_pointer_* variables through current_function.
21447 (init_emit_once) Don't clear sequence_stack.
21449 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21451 (arg_pointer_save_area): Delete declaration.
21452 (finish_expr_for_function): Renamed from init_queue; no longer static.
21453 (init_expr): Don't call init_queue.
21454 (save_expr_status, restore_expr_status): Delete functions.
21455 (expand_expr): Changes to reflect new layout of struct function.
21456 Don't access current_function_check_memory_usage when current_function
21458 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21459 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21460 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21461 current_function_uses_const_pool, function_call_count,
21462 current_function_uses_pic_offset_table, nonlocal_labels,
21463 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21464 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21465 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21467 (finish_expr_for_function): Declare.
21468 * flags.h (current_function_has_nonlocal_label,
21469 current_function_has_nonlocal_goto, current_function_is_thunk,
21470 current_function_has_computed_jump): Delete declarations.
21471 * flow.c (forced_labels): Delete declaration.
21472 * function.c (current_function_pops_args,
21473 current_function_returns_struct, current_function_returns_pcc_struct,
21474 current_function_needs_context, current_function_calls_setjmp,
21475 current_function_calls_longjmp, current_function_has_nonlocal_label,
21476 current_function_has_nonlocal_goto, current_function_is_thunk,
21477 current_function_has_computed_jump, current_function_calls_alloca,
21478 current_function_contains_functions, current_function_returns_pointer,
21479 current_function_epilogue_delay_list, current_function_args_size,
21480 current_function_pretend_args_size, current_function_arg_offset_rtx,
21481 current_function_outgoing_args_size, current_function_varargs,
21482 current_function_stdarg, current_function_args_info, cleanup_label,
21483 current_function_name, current_function_uses_const_pool,
21484 current_function_instrument_entry_exit, current_function_return_rtx,
21485 current_function_uses_pic_offset_table, nonlocal_labels,
21486 current_function_internal_arg_pointer, current_function_cannot_inline,
21487 current_function_check_memory_usage, function_call_count,
21488 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21489 nonlocal_goto_stack_level, return_label, save_expr_regs,
21490 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21491 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21492 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21493 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21494 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21496 (push_function_context_to): Don't save them. Don't call
21497 save_storage_status, save_emit_status or save_expr_status.
21498 (pop_function_context_from): Don't restore them. Don't call
21499 restore_storage_status or restore_expr_status.
21500 (get_func_frame_size): New function.
21501 (get_frame_size): Use it.
21502 (assign_outer_stack_local): Reflect some member name changes in struct
21504 (put_reg_into_stack): Likewise.
21505 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21507 (fixup_var_refs): Likewise.
21508 (fix_lexical_addr): Likewise.
21509 (trampoline_address): Likewise.
21510 (prepare_function_start): Clear field inlinable of current_function.
21511 (init_function_for_compilation): New function.
21512 (expand_dummy_function_end): New function.
21513 (expand_function_end): Call finish_expr_for_function.
21514 * function.h (struct emit_status): New; fields moved here from struct
21515 function and from global variables. Add accessor macros for some of
21517 (struct expr_status): Likewise.
21518 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21519 (struct function): Add fields expr and emit, inlinable, inl_emit,
21520 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21521 inl_max_label_num. Add many comments.
21522 Add accessor macros for all elts of struct function that no longer
21523 have a global variable.
21524 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21525 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21526 stack_slot_list): Delete declarations.
21527 (get_func_frame_size): Declare.
21528 (save_expr_status, restore_expr_status, save_emit_status,
21529 save_storage_status, restore_storage_status): Delete declarations.
21530 (init_virtual_regs): Declare.
21531 * output.h (current_function_pops_args,
21532 current_function_returns_struct, current_function_returns_pcc_struct,
21533 current_function_needs_context, current_function_calls_setjmp,
21534 current_function_calls_longjmp, current_function_calls_alloca,
21535 current_function_has_nonlocal_label, current_function_varargs,
21536 current_function_has_computed_jump, current_function_returns_pointer,
21537 current_function_contains_functions, current_function_args_size,
21538 current_function_pretend_args_size, current_function_stdarg,
21539 current_function_outgoing_args_size, current_function_args_info,
21540 current_function_name, current_function_return_rtx,
21541 current_function_epilogue_delay_list,
21542 current_function_uses_const_pool, current_function_cannot_inline):
21543 Delete declarations.
21544 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21545 regno_reg_rtx): Delete declaration.
21546 (REGNO_POINTER_FLAG): Delete macro.
21547 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21548 function were renamed.
21549 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21551 * toplev.c: Include "function.h".
21552 (current_function_decl): Delete declaration.
21553 (compile_file): Call init_dummy_function_start and
21554 expand_dummy_function_end around some initializations that need to
21556 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21557 Call init_function_for_compilation.
21558 * unroll.c: Include "function.h"
21559 (unroll_loop): Access regno_pointer_* variables through
21562 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21563 (DECL_SAVED_INSNS): use it.
21564 (expand_dummy_function_end): Declare.
21565 (init_function_for_compilation): Declare.
21566 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21567 that it's no longer an INLINE_HEADER.
21568 (expand_call): Likewise.
21569 * integrate.c (finish_inline): Delete function.
21570 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21571 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21572 args. Don't generate an INLINE_HEADER rtx, just return the arg
21573 vector. All callers changed.
21574 (save_for_inline_copying): Create a duplicate struct emit_status to
21575 hold the emit state for compiling the current function. Use this and
21576 the other new fields in struct function that are for integration
21577 instead of an INLINE_HEADER.
21578 Use memcpy instead of bcopy.
21579 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21580 (save_for_inline_nocopy): Similar changes, except no new emit_status
21582 (expand_inline_function): Get information from function structure,
21583 not from an inline header rtx.
21584 (output_inline_function): Lose code to extract the necessary
21585 information from an inline header; simply put back the function
21586 structure into current_function. Clear its inlinable elt.
21587 * rtl.def (INLINE_HEADER): Delete.
21588 * rtl.h: Delete all accessors for an INLINE_HEADER.
21589 (gen_inline_header_rtx): Delete declaration.
21590 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21591 Delete declarations.
21592 (REGNO_POINTER_ALIGN): Delete.
21593 (clear_emit_caches): Declare.
21594 (set_new_last_label_num): Declare.
21596 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21598 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21600 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21601 * stmt.c (is_eh_region): Make sure current_function is present, too.
21603 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21605 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21606 for 64bit PA targets.
21608 * pa.h (SELECT_SECTION): Define.
21609 * som.h (SELECT_SECTION): Delete.
21611 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21613 * alias.c (init_alias_analysis): Wrap call to
21614 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21616 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21618 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21619 <sys/asm.h> contains an asm comment with an apostrophe
21620 * fixinc/inclhack.sh: regen
21621 * fixinc/fixincl.x: regen
21623 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21625 * function.c (init_function_start): Clear prologue & epilogue.
21626 (prologue_epilogue_contains): New function.
21627 * alias.c (init_alias_analysis): Use it.
21628 * rtl.h (prologue_epilogue_contains): Declare it.
21630 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21632 * jump.c (onlyjump_p): New function.
21633 * rtl.h: Declare it.
21634 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21635 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21637 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21639 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21640 to invert loops. Simplify block scanning.
21642 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21644 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21645 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21647 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21649 * config/sparc/liteelf.h: New file to support sparclite-elf target
21650 * config/sparc/t-sp86x: New file to support sparc86x targets
21651 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21652 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21653 * configure.in: Support above target triplets
21654 * configure: Regenerated
21656 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21658 * fixinc/server.c (server_setup): Do not prefix function used as
21659 parameter with `&'.
21661 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21663 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21664 Remove fp reg alternatives.
21666 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21668 * Makefiin (TAROUTOPTS): Kill.
21669 (install-headers-tar): Use "xpf" for tar headerfile extraction
21670 * i370/x-oe (TAROUTOPTS): Delete.
21671 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21672 * m68k/x-hp320 (TAROUTOPTS): Delete.
21673 * m68k/x-hp320g (TAROUTOPTS): Delete.
21674 * gcc.texi: Update bug reporting text.
21676 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21678 * reg-stack.c (change_stack) Fixed problem with negative array index.
21680 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21682 * extend.texi, install.texi: Fix spelling mistakes.
21684 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21685 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21686 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21687 PREMADE_ATTRTAB_MD.
21688 * mips/t-ecoff: Likewise.
21689 * mips/t-elf: Likewise.
21690 * mips/t-mips: Likewise.
21691 * mips/t-osfrose: Likewise.
21692 * mips/t-r3900: Likewise.
21693 * mips/t-svr3: Likewise.
21694 * mips/t-svr4: Likewise.
21695 * mips/t-ultrix: Likewise.
21697 * gcc.texi: Document recommend means to provide software floating
21698 point libraries in libgcc.a
21700 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21702 * c-lex.c (yylex): We can have a number with no digits.
21704 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21706 * jump.c (delete_prior_computation): New function, broken
21707 out of delete_computation. Check for side effects with
21708 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21709 multi-word hard registers.
21710 (delete_computation): Use it. Check for side effects with
21711 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21712 missing REG_DEAD note for a register which is both set and
21715 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21717 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21718 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21719 (ASM_FILE_START): Import _mcount with the right type.
21720 (ASM_DECLARE_FUNCTION_NAME): Define.
21721 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21722 * pa.c (output_function_prologue): Always emit the function's label
21724 * pa.h (TEXT_SPACE_P): Define.
21725 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21726 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21727 * som.h (TEXT_SPACE_P): Delete.
21728 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21729 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21731 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21733 * expr.c (emit_group_load): Allow src to be a CONCAT.
21735 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21737 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21738 (___mulsi3): Use '!' comment character.
21740 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21742 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21744 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21746 * gcc.c: Update URLs and mail addresses.
21747 * gcc.texi: Likewise.
21749 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21751 * rs6000.c (current_file_function_operand): Return zero for
21753 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21755 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21758 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21760 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21761 allocate space in the stack frame for the PIC register.
21763 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21765 * m68k.md (xordi3, anddi3): These patterns are not available on
21768 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21770 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21771 (PUT_REAL): Likewise.
21773 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21775 * final.c (shorten_branches): Don't add an alignment for loops
21776 that have no label inside.
21778 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21780 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21781 prototypes in macro HAVE_cmpstrsi.
21783 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21785 * emit-rtl.c (operand_subword): Remove unused variable
21788 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21790 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21792 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21794 * cpphash.c (macroexpand): Delete leading whitespace when arg
21795 is concatenated before.
21796 (unsafe_chars): Correct test for whether + and - can extend a
21799 * cppinit.c (cpp_start_read): Do dependencies for
21800 -include/-imacros files also.
21802 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21803 tokenizing non-directive lines.
21804 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21805 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21808 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21810 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21812 * c-lex.c: Sync with C++ frontend.
21813 (linemode): New variable.
21814 (parse_float): imag, conversion_errno, and type are output only.
21815 (yylex): Adjust. Move initial '.' case into main switch.
21817 (handle_generic_pragma): Just deal with tokens.
21818 (readescape): Use ISXDIGIT and ISGRAPH.
21819 * c-parse.in: Add END_OF_LINE token.
21821 * c-lex.c (lang_init): Generalize.
21822 (nextchar): Remove. Replace uses with UNGETC.
21823 (skip_white_space): Handle linemode here. Optimize for cpplib.
21824 (skip_white_space_on_line): Remove.
21825 (extend_token_buffer_to): New fn.
21826 (extend_token_buffer): Use it.
21827 (read_line_number, check_newline): Just deal with tokens.
21828 (token_getch, token_put_back): New fns.
21829 (yylex): Use them. More cpplib optimizations. Simplify.
21831 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21832 Jason Merrill <jason@yorick.cygnus.com>
21834 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21835 (consume_string): Make this smart about USE_CPPLIB.
21836 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21837 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21838 Also, clean up cases where we redundantly set token_buffer[0].
21839 (read_line_number): New fn.
21840 (ignore_escape_flag): New variable.
21842 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21844 * a29k/t-a29kbare: Fix some comments.
21845 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21846 (FPBIT, DPBIT): Define.
21847 * a29k/t-vx29k: Likewise.
21848 * arc/t-arc: Likewise.
21849 * arm/t-arm-elf: Likewise.
21850 * arm/t-bare: Likewise.
21851 * arm/t-pe: Likewise.
21852 * arm/t-pe-thumb: Likewise.
21853 * arm/t-semi: Likewise.
21854 * arm/t-thumb: Likewise.
21855 * arm/t-thumb-elf: Likewise.
21856 * arm/t-thumb-linux: Likewise.
21857 * h8300/t-h8300: Likewise.
21858 * i960/t-i960: Likewise.
21859 * i960/t-vxworks960: Likewise.
21860 * m32r/t-m32r: Likewise.
21861 * mips/t-ecoff: Likewise.
21862 * mips/t-elf: Likewise.
21863 * mips/t-r3900: Likewise.
21864 * pa/t-pro: Likewise.
21865 * rs6000/t-aix43: Likewise.
21866 * rs6000/t-beos: Likewise.
21867 * rs6000/t-newas: Likewise.
21868 * rs6000/t-ppccomm: Likewise.
21869 * rs6000/t-rs6000: Likewise.
21870 * rs6000/t-winnt: Likewise.
21871 * rs6000/t-xnewas: Likewise.
21872 * rs6000/t-xrs6000: Likewise.
21873 * sh/t-sh: Likewise.
21874 * sparc/t-elf: Likewise.
21875 * sparc/t-sparcbare: Likewise.
21876 * sparc/t-sparclite: Likewise.
21877 * sparc/t-splet: Likewise.
21878 * v850/t-v850: Likewise.
21879 * mn10200/t-mn10200: Fix comments.
21880 * mn10300/t-mn10300: Likewise.
21882 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21883 dummy operand. Allocate a new pseudo for the dummy operand.
21884 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21886 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21888 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21890 * configure: Rebuilt.
21891 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21893 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21895 * recog.c (preproces_constraints): Zero recog_op_alt before
21896 processing the constraints.
21898 * arm.c (typedef minipool_node): Renamed from pool_node.
21899 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21900 (add_minipool_constant): New function.
21901 (dump_minipool): New function.
21902 (find_barrier): Remove special case for getting the insn size of
21903 an insn that references the constant pool.
21904 (minipool_fixup): New structure.
21905 (push_minipool_barrier): New function.
21906 (push_minipool_fix): New function.
21907 (note_invalid_constants): New function.
21908 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21909 (arm_reorg): Rewrite code to fix up the constant pool into a
21910 series of mini-pools embedded in the insn stream.
21911 (arm_output_epilogue): New function, made mainly from the body
21912 of output_func_epilogue.
21913 (output_func_epilogue): Move insn generation part of epilogue code
21914 to arm_output_epilogue.
21915 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21916 * arm.md (pool_range): New attribute.
21917 (zero_extendqidi2): Add attribute pool_range.
21918 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21919 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21920 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21921 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21922 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21923 (epilogue): New expand.
21924 (epilogue_insn): New insn. Call arm_output_epilogue.
21926 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21927 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21929 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21931 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21933 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21935 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21937 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21939 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21941 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21943 * global.c: Fix comment.
21945 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21947 * gcc.c (access_check): New static function.
21948 (find_a_file): Use it when searching a directory list.
21949 * collect2.c (find_a_file): Don't accept directories found when
21950 searching a directory list.
21952 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21954 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21955 function parameters with `&'.
21956 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21958 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21960 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21961 or tidy_fallthru_edge if the last insn in the block is not
21962 an unconditional jump or a simple conditional jump.
21964 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21966 * Makefile.in (c-decl.o): Depends on defaults.h.
21968 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21970 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21972 (CLASS_MAX_NREGS): Likewise.
21974 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21976 * cse.c (cse_insn): Fix dumb thinko in last change.
21978 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21980 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21983 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21985 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21986 test for sizes of passed and declared parameter types.
21988 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21990 * fixincludes: Fix the return type of bsearch, char* -> void*.
21992 * fixinc/inclhack.def: Likewise.
21994 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
21996 * invoke.texi (-fdump-translation-unit): New option.
21998 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
22000 * expr.h (PROMOTE_PROTOTYPES): Move ...
22001 * defaults.h: ... to here.
22002 * c-decl.c: Include defaults.h instead of expr.h.
22003 * c-typeck.c: Include defaults.h.
22005 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
22007 * toplev.h (errorcount): Declare.
22008 (warningcount): Likewise.
22009 (sorrycount): Likewise.
22010 * c-lex.c (errorcount): Don't declare.
22011 * dwarf2out.c (errorcount): Don't declare.
22013 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
22015 * config/libgloss.h: Add a note discouraging use with ELF.
22016 * configure.in: Don't use libgloss.h for ELF targets.
22017 Always use_collect2 on a.out targets.
22019 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
22021 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
22022 (force_to_mode, case ASHIFTRT): Add shiftrt label.
22024 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22026 * loop.c (strength_reduce): When doing biv->giv conversion, update
22027 reg note of NEXT->insn.
22029 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22031 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
22033 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22035 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
22036 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
22037 Ensure expr.h is included.
22038 * c-typecheck.c (convert_arguments): Ditto.
22040 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
22042 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
22043 * config/convex/convex.h: Ditto.
22044 * config/dsp16xx/dsp16xx.h: Ditto.
22045 * config/fx80/fx80.h: Ditto.
22046 * config/gmicro/gmicro.h: Ditto.
22047 * config/i370/i370.h: Ditto.
22048 * config/i386/i386.h: Ditto.
22049 * config/m32r/m32r.h: Ditto.
22050 * config/m68k/m68k.h: Ditto.
22051 * config/m88k/m88k.h: Ditto.
22052 * config/mips/mips.h: Ditto.
22053 * config/pa/pa.h: Ditto.
22054 * config/pyr/pyr.h: Ditto.
22055 * config/tahoe/tahoe.h: Ditto.
22056 * config/we32k/we32k.h: Ditto.
22058 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
22059 based on arch size.
22061 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
22063 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
22066 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
22068 1999-08-02 Richard Henderson <rth@cygnus.com>
22070 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
22071 for the register spill block.
22072 (m32r_va_arg): New.
22073 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
22074 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
22076 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
22077 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
22078 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
22080 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22082 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
22083 MAX_WCHAR_TYPE defined in sparc.h.
22084 * config/sparc/linuxaout.h: Likewise.
22085 * config/sparc/linux64.h: Likewise.
22086 Also default to -mvis if CPU is UltraSPARC.
22088 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22090 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
22091 (RTX_OK_FOR_OLO10): Likewise.
22092 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
22093 %lo(), allow it in addresses...
22094 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
22095 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
22096 does not make sense.
22097 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
22098 (sparc_output_scratch_registers): New function.
22099 (output_function_prologue, sparc_flat_output_function_prologue): Use
22101 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
22103 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
22104 * configure.in: Add check for .register pseudo-op support in as and
22105 check for offsetable %lo().
22106 * acconfig.h: Add templates for the above checks.
22107 * configure: Regenerate.
22109 1999-08-02 Richard Henderson <rth@cygnus.com>
22111 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
22112 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
22113 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
22115 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22117 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22120 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22122 * config/float-sparc.h: New file.
22123 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22124 sparc-*-linux-gnu and sparc64-*-linux*.
22126 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22128 * rs6000.c (rs6000_va_list): Type is an array.
22129 (rs6000_va_start): Don't doubly adjust for varargs.
22130 (rs6000_va_arg): Evaluate long long GPR adjustment.
22132 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22134 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22135 -maix64 and -maix32.
22136 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22137 LINK_SPEC): Change appropriately.
22138 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22139 (u_short_cint_operand): Likewise.
22140 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22142 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22144 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22146 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22148 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22149 for type promotion.
22150 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22151 (non_add_cint_operand): Likewise.
22152 (logical_operand): Likewise.
22153 (non_logical_cint_operand): Likewise.
22154 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22155 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22156 (rs6000_select_rtx_section): Suppress warning.
22157 (small_data_operand): Suppress warning.
22158 (rs6000_got_register): Suppress warning.
22159 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22160 type, so `J' is generally the wrong constraint for a SImode value;
22162 (andsi3_internal2): Likewise.
22163 (andsi3_internal3): Likewise.
22164 (iorsi3_internal1): Likewise.
22165 (xorsi3_internal1): Likewise.
22167 (movsf_softfloat): Likewise.
22168 (scc insns): Likewise.
22169 (movsi+2): Preserve sign bits of SImode constant.
22170 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22171 (movdf+1): Sign-extend properly.
22172 (movdi_32+1): Sign-extend properly.
22173 (scc insns): Sign-extend properly.
22175 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22178 1999-08-02 Richard Henderson <rth@cygnus.com>
22180 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22181 -mcpu parsing code.
22182 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22183 * alpha.md (all fp insns): Likewise.
22185 1999-08-02 Nick Clifton <nickc@cygnus.com>
22187 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22190 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22192 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22193 pic_load_label generator directly.
22194 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22195 No longer a named pattern.
22197 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22199 * explow.c (force_reg): Call force_operand if X does not
22200 satisfy general_operand.
22202 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22204 * fix-header.c (main): When testing for CONTINUED, use string
22205 equality, not pointer equality.
22207 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22209 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22211 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22213 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22214 that has become an unconditional jump.
22216 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22217 (output_function_epilogue): Similarly.
22219 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22221 * tree.h (init_dummy_function_start): Declare.
22223 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22225 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22226 last_expr_type, last_expr_value, block_start_count, block_stack,
22227 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22228 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22229 dynamically in stmt elt of struct function for each function.
22230 (struct nesting): Rename function_call_count elt to n_function_calls,
22231 target_temp_slot_level to block_target_temp_slot_level. All users
22233 (struct stmt_status): New structure definition.
22234 Add many accessor macros for stmt_status elements which previously
22235 were global variables.
22236 (init_stmt_for_function): Allocate stmt elt for current_function.
22237 Reflect that block_start_count was renamed to
22238 current_block_start_count.
22239 (save_stmt_status, restore_stmt_status): Delete functions.
22240 (preserve_subexpressions_p): Don't access loop_stack when outside
22242 (expand_start_bindings): Reflect that block_start_count was renamed to
22243 current_block_start_count.
22244 (expand_fixup): Likewise.
22245 (expand_decl): Don't access block_stack when outside a function.
22246 (expand_decl_cleanup): Likewise.
22247 (expand_dcc_cleanup): Likewise.
22248 (expand_dhc_cleanup): Likewise.
22249 (expand_anon_union_decl): Likewise.
22250 (set_file_and_line_for_stmt): New function.
22251 (in_control_zone_p): New function.
22253 * function.h (struct function): Add new elt stmt.
22254 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22255 case_stack, nesting_stack, nesting_depth, block_start_count,
22256 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22257 emit_lineno, goto_fixup_chain.
22258 (save_eh_status, restore_eh_status, save_stmt_status,
22259 restore_stmt_status): Delete declarations.
22260 * function.c (push_function_context_to): Don't call save_stmt_status.
22261 (pop_function_context_to): Don't call restore_stmt_status.
22262 * tree.h (in_control_zone_p): Declare.
22263 * rtl.h (set_file_and_line_for_stmt): Declare.
22265 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22266 call set_file_and_line_for_stmt.
22268 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22270 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22271 Also update copyright.
22273 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22275 * c-pragma.c: Don't include "except.h".
22276 * emit-rtl.c: Likewise.
22277 * stor-layout.c: Likewise.
22278 * tree.c: Likewise.
22279 * varasm.c: Likewise.
22281 * flow.c: Include "function.h".
22282 * tree.h (init_dummy_function_start): Declare new function.
22284 * except.h (struct eh_status): New structure.
22285 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22287 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22288 catch_clauses, false_label_stack, caught_return_label_stack,
22289 protect_list, current_function_ehc): Add accessor macros for the
22290 corresponding fields in current_function->eh; delete declarations
22291 for all items that used to be declared here.
22292 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22293 catch_clauses, false_label_stack, caught_return_label_stack,
22294 protect_list, current_function_ehc): Delete variables.
22295 (init_eh_for_function): Allocate current_function->eh.
22296 (save_eh_status, restore_eh_status): Delete functions.
22298 * function.h (struct function): Add fields next_global and eh.
22299 Delete all exception handling related fields.
22300 * function.c (current_function): New variable.
22301 (all_functions): New variable.
22302 (push_function_context_to): Don't allocate a struct function,
22303 use current_function instead. Call init_dummy_function_start when
22304 outside a function. Clear current_function before returning.
22305 (pop_function_context_from): Restore current_function.
22306 Don't free the restored struct function.
22307 (prepare_function_start): New function.
22308 (init_dummy_function_start): New function.
22309 (init_function_start): Break out some code into prepare_function_start
22312 * stmt.c (save_stmt_status): Don't call save_eh_status.
22313 (restore_stmt_status): Don't call restore_eh_status.
22315 * Makefile.in: Update dependencies.
22317 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22319 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22320 of depending on a magic constant value. Update comments.
22321 (hppa_expand_prologue): Similarly.
22323 * pa.md (reload_indi, reload_outdi): Allow any register for the
22324 original reload register.
22326 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22328 * cccp.c (print_help): Change marcos to macros.
22330 1999-07-30 Richard Henderson <rth@cygnus.com>
22332 * c-typeck.c (initializer_constant_valid_p): Move ...
22333 * c-common.c (initializer_constant_valid_p): ... here. Use
22334 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22335 of label addresses.
22336 * c-common.h (initializer_constant_valid_p): Declare.
22337 * c-tree.h (initializer_constant_valid_p): Remove.
22339 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22341 * config/i386/sol2-c1.asm: Align the stack.
22342 * config/i386/sol2-gc1.asm: Likewise.
22344 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22346 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22347 -Asparclite for sparc86x.
22348 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22350 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22352 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22354 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22355 the user if using the non-default arch size in BI_ARCH configuration.
22356 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22358 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22359 Fix patterns so that they actually match.
22360 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22361 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22362 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22364 (mulsidi3): Reflect this in the expand.
22365 (smulsi3_highpart): Only on TARGET_ARCH32.
22366 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22367 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22368 (umulsidi3): Reflect this in the expand.
22369 (umulsi3_highpart): Only on TARGET_ARCH32.
22370 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22371 don't require g0 to be zero.
22372 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22373 ({,u}divsi3): New expands.
22374 ({,u}divsi3_sp64): New patterns.
22375 (after lshrdi3_v8plus): Four new patterns to help combiner
22376 optimizing nested mixed mode shifts.
22378 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22379 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22380 speed things up. Don't use them by default on plain v9 in 64bit
22381 mode, according to what SPAMv9 sais.
22383 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22384 top 32 bits of %[og][0-7] in signal handlers.
22385 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22387 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22389 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22390 (ashlsi3): Corresponding changes.
22392 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22394 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22396 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22398 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22400 * arm.h (Hint): Delete macro.
22401 Substitute HOST_WIDE_INT for Hint in some prototypes.
22402 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22404 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22406 * builtins.c (expand_builtin_setjmp): Use force_operand to
22407 make sure that the buffer address is in a suitable form to be
22408 passed to force_reg.
22410 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22412 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22415 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22417 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22418 proper mode in the condition string.
22419 (icacheflush, dcacheflush): Remove modes from match_operands.
22421 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22422 proper mode before using it.
22424 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22427 * pa.c (store_reg): Do not call add_high_const generator directly.
22428 (load_reg, set_reg_plus_d): Likewise.
22429 * pa.md (add_high_const): No longer a named pattern.
22431 * pa.c (legitimize_address): Consistently use Pmode rather than
22432 SImode. Do not call gen_pic2_highpart directly anymore.
22433 * pa.md (pic2_highpart): No longer a named pattern.
22434 (pic2_lo_sum): Similarly. Reformat to make more readable.
22436 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22441 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22443 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22445 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22447 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22448 and tag the spill mems.
22449 (hppa_va_start): New.
22450 (hppa_va_arg): New.
22451 * pa.h (EXPAND_BUILTIN_VA_START): New.
22452 (EXPAND_BUILTIN_VA_ARG): New.
22454 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22456 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22457 and tag the spill mems.
22458 (mn10300_va_start): New.
22459 (mn10300_va_arg): New.
22460 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22461 (EXPAND_BUILTIN_VA_ARG): New.
22463 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22465 * mn10200.c (mn10200_va_arg): New.
22466 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22468 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22470 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22471 rather than play with TREE_INT_CST_LOW.
22473 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22475 * config/arm/telf.h: Include dbxelf.h.
22476 (CPP_PREDEFINES): Only define if not already defined.
22477 (ASM_IDENTIFY_GCC): Likewise.
22478 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22479 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22480 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22482 (DBX_DEBUGGING_INFO): Don't define.
22483 * config/arm/linux-telf.h: New file.
22484 * config/arm/linux-tgas.h: New file.
22485 * config/arm/t-thumb-linux: New file.
22486 * config/arm/uclinux-elf.h: New file.
22487 * config/arm/uclinux-telf.h: New file.
22488 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22489 thumb-*-uclinux): New targets.
22490 * configure: Regenerate.
22492 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22494 * pa.md (post_store, pre_load): New expanders.
22495 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22496 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22497 need to directly generate RTL for them.
22498 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22501 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22503 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22504 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22505 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22506 (secndary_reload_class): Make TARGET_ELF conditional compile.
22507 (print_operand_address): Similar.
22508 (output_toc): Print all values as hex.
22509 (get_issue_rate): Rearrange and add RS64A and PPC630.
22510 * rs6000.h (processor_type): Add RS64A and PPC630.
22511 (PROCESSOR_POWERPC64): New.
22512 (PROMOTE_MODE): Use word_mode.
22513 (RTX_COSTS): Add RS64A and PPC630.
22514 * rs6000.md (scheduling information): Add lmul and ldiv
22515 representing 64-bit integer multiply and divide. Add rs64a and
22516 PPC630 information.
22517 (ashldi3): Add support for "rldic" instruction.
22518 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22520 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22522 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22523 instead of V8 for sparclite86x in cpu_table.
22525 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22527 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22528 output_file_directive.
22530 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22532 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22533 tree for op1, not the rtl.
22535 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22537 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22538 to m88k_va_start, leaving only the register spill.
22539 (m88k_build_va_list): New.
22540 (m88k_va_start): New.
22541 (m88k_va_arg): New.
22542 * m88k.h (BUILD_VA_LIST_TYPE): New.
22543 (EXPAND_BUILTIN_VA_START): New.
22544 (EXPAND_BUILTIN_VA_ARG): New.
22546 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22548 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22549 Rename from expand_builtin_saveregs.
22550 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22552 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22554 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22555 for the register spill block.
22556 (i960_build_va_list): New.
22557 (i960_va_start): New.
22558 (i960_va_arg): New.
22559 * i960.h (BUILD_VA_LIST_TYPE): New.
22560 (EXPAND_BUILTIN_VA_START): New.
22561 (EXPAND_BUILTIN_VA_ARG): New.
22562 * i960.md (store_multiple): Use change_address on individul mems.
22564 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22566 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22568 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22569 (expand_builtin_va_end): Evaluate arg for side effects.
22570 * c-common.c (c_common_nodes_and_builtins): Construct a
22571 va_list_arg_type_node to handle array decomposition to pointer.
22573 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22575 * except.c (st_dynamic_cleanup): Use force_operand on the
22578 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22580 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22581 * c4x.c (c4x_va_arg): New.
22583 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22585 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22586 has manual_pop set.
22588 1999-07-26 Nathan Sidwell <nathan@acm.org>
22590 * eh-common.h (__eh_matcher): Prototype correctly.
22592 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22594 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22595 (TARGET_SINGLE_PIC_BASE): Likewise.
22596 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22598 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22599 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22600 (TARGET_OPTIONS): Add -mpic-register=N.
22601 (OUTPUT_INT_ADDR_CONST): New macro.
22602 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22603 LEGITIMATE_PIC_OPERAND_P): Likewise.
22604 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22605 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22606 output_addr_const directly.
22607 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22609 (thumb_pic_register, thumb_pic_register_string): Declare.
22611 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22613 (label_mentioned_p): New function: Imported from arm.c.
22614 (legitimize_pic_address): New function: Imported from arm.c.
22615 (is_pic):New function: Imported from arm.c.
22616 (thumb_finalize_pic):New function: Imported from arm.c.
22617 (add_constant): Cope with PIC constants.
22618 (fixit): Cope with PIC constants.
22619 (output_return): Do not treat the PIC register as live if
22620 TARGET_SINGLE_PIC_BASE is true.
22621 (thumb_function_prologue): Do not treat the PIC register as live if
22622 TARGET_SINGLE_PIC_BASE is true.
22623 (thumb_expand_prologue): Do not treat the PIC register as live if
22624 TARGET_SINGLE_PIC_BASE is true.
22625 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22626 TARGET_SINGLE_PIC_BASE is true.
22627 (thumb_print_operand): Accept '|'.
22628 (thumb_override_options): Process PIC options.
22630 * config/arm/thumb.md (movsi): Support PIC.
22631 (call_insn): Change "i" constraint to "X".
22632 (call_value_insn): Likewise.
22633 (consttable_4, consttable_8, consttable_end): Set and clear
22634 "making_const_table" as appropriate.
22635 (pic_load_addr, pic_add_dot_plus_four): New insns.
22637 * invoke.texi (Thumb Options): Fix spelling. Document new
22638 options -msingle-pic-base and -mpic-register=.
22640 1999-07-26 Andrew Haley <aph@cygnus.com>
22642 * config/m32r/initfini.c (__init): Use a full word immediate for
22643 __fini: this allows it to be placed in any memory region.
22645 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22646 -mmodel=medium. This is OK for all memory models.
22648 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22650 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22651 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22653 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22655 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22658 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22660 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22662 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22663 (BUILD_VA_LIST_TYPE): New.
22664 (EXPAND_BUILTIN_VA_START): New.
22665 (EXPAND_BUILTIN_VA_ARG): New.
22666 * i860.c (output_delayed_branch): Disable.
22667 (output_delay_insn): Likewise.
22668 (i860_saveregs): New.
22669 (i860_build_va_list): New.
22670 (i860_va_start): New.
22671 (i860_va_arg): New.
22672 * i860.md: Disable all peepholes using output_delayed_branch.
22673 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22675 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22677 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22678 (BUILD_VA_LIST_TYPE): New.
22679 (EXPAND_BUILTIN_VA_START): New.
22680 (EXPAND_BUILTIN_VA_ARG): New.
22681 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22682 Return the address of the save area.
22683 (clipper_build_va_list): New.
22684 (clipper_va_start): New.
22685 (clipper_va_arg): New.
22687 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22689 * arc.h (EXPAND_BUILTIN_VA_START): New.
22690 (EXPAND_BUILTIN_VA_ARG): New.
22691 * arc.c (arc_setup_incoming_varargs): Set alias set of
22693 (arc_va_start): New.
22696 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22698 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22699 (BUILD_VA_LIST_TYPE): New.
22700 (EXPAND_BUILTIN_VA_START): New.
22701 (EXPAND_BUILTIN_VA_ARG): New.
22702 * alpha.c (alpha_builtin_saveregs): Delete.
22703 (alpha_build_va_list): New.
22704 (alpha_va_start): New.
22705 (alpha_va_arg): New.
22707 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22709 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22711 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22712 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22714 * gcc.texi: More changes related to list conversion.
22715 * invoke.texi: Likewise.
22717 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22719 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22720 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22721 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22722 (stabilize_va_list): New function.
22723 (std_expand_builtin_va_start): New function.
22724 (expand_builtin_va_start): New function.
22725 (get_varargs_alias_set): New function.
22726 (std_expand_builtin_va_arg): New function.
22727 (expand_builtin_va_arg): New function.
22728 (expand_builtin_va_end): New function.
22729 (expand_builtin_va_copy): New function.
22730 (expand_builtin): Call them.
22731 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22732 __builtin_{varargs_start,stdarg_start,end,copy}.
22733 (build_va_arg): New function.
22734 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22735 (build_va_arg): Declare.
22736 * c-decl.c (ptr_type_node, va_list_type_node): New.
22737 * c-parse.gperf (__builtin_va_arg): New.
22738 * c-parse.in (VA_ARG): New token.
22739 (unary_expr): Recognize it.
22740 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22741 * expr.h (std_expand_builtin_va_start): Declare.
22742 (std_expand_builtin_va_arg): Declare.
22743 (expand_builtin_va_arg): Declare.
22744 (get_varargs_alias_set): Declare.
22745 * tree.def (VA_ARG_EXPR): New.
22746 * tree.h (BUILT_IN_VARARGS_START): New.
22747 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22748 (ptr_type_node, va_list_type_node): Declare.
22749 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22750 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22751 * m88k.h, m88k.c: Likewise.
22752 * mn10300.h, mn10300.c: Likewise.
22753 * pa.h, pa.c: Likewise.
22754 * rs6000.h, rs6000.c: Likewise.
22755 * sh.h, sh.c: Likewise.
22756 * sparc.h, sparc.c: Likewise.
22758 * emit-rtl.c (operand_subword): Copy alias set.
22759 (change_address): Likewise.
22761 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22763 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22764 not just the first one.
22766 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22768 * config/arm/arm.h (TARGET_SWITCHES): Add
22769 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22770 (TARGET_OPTIONS): Add -mpic-register=.
22771 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22772 (arm_pic_register_string): Declare.
22773 (NEED_PLT_GOT): Delete, replace with ...
22774 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22775 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22776 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22777 * config/arm/arm.c (arm_override_options): Add new option
22779 (arm_pic_register_string): New variable.
22780 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22781 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22782 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22783 (output_return_instruction): Likewise.
22784 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22785 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22786 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22788 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22789 mention of -msched-prolog. Document new options -msingle-pic-base
22790 and -mpic-register=.
22792 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22794 * haifa-sched.c (reemit_notes): Tidy.
22795 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22798 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22800 * explow.c (trunc_int_for_mode): New function.
22801 (plus_constant_wide): Use it.
22802 * combine.c (simplify_and_const_int): Likewise.
22803 (merge_outer_ops): Likewise.
22804 (simplify_shift_const): Likewise.
22805 * cse.c (simplify_unary_operation): Likewise.
22806 (simplify_binary_operation): Likewise.
22807 * emit-rtl.c (operand_subword): Likewise.
22808 * rtl.h: Declare it.
22810 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22812 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22813 (use NUM_REGS instead of NUM_INTS).
22815 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22817 * builtins.c: New file.
22818 * expr.c (saveregs_value, apply_args_value): Delete definition,
22819 moved into builtins.c.
22820 (string_constant): No longer static.
22821 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22822 apply_args_size, apply_result_size, result_vector,
22823 expand_builtin_apply_args, expand_builtin_apply,
22824 expand_builtin_return): Delete functions, moved into builtins.c.
22825 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22826 * expr.h (saveregs_value, apply_args_value): Declare variables.
22827 (expand_builtin, string_constant): Declare functions.
22828 * Makefile.in: Update to build builtin.o.
22830 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22832 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22833 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22834 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22835 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22837 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22840 1999-07-21 Michael Meissner <meissner@cygnus.com>
22842 * print-rtl.c (print_rtx): Print the names of the virtual
22845 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22847 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22848 introduced in previous delta.
22850 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22852 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22853 to avoid name clash.
22855 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22857 * c-lex.c (yylex) : Correct the test for overflow when lexing
22860 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22862 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22863 (adjust_priority): Always call ADJUST_PRIORITY.
22864 (schedule_insn): Only put insns into the ready at cost 0.
22865 (schedule_block): Remove redundant initial sort. Give clock_var
22866 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22868 * tm.texi (MD_SCHED_REORDER): Update docs.
22870 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22871 * sparc.c (ultra_reorder_called_this_block): Delete.
22872 (ultrasparc_sched_init): Don't set it.
22873 (ultrasparc_sched_reorder): Don't check it.
22875 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22877 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22878 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22879 (function_arg_boundary): Align DFmode.
22880 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22881 to get fp reg and stack overflow correct.
22882 (function_arg): Likewise.
22883 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22884 (setup_incoming_varargs): Restructure for ABI_V4; use
22885 function_arg_advance to skip final named argument.
22886 (expand_builtin_saveregs): Properly unskip the last integer arg
22887 when doing varargs. Adjust overflow location calculation.
22889 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22890 explicitly unsigned.
22891 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22892 (__VA_GP_REGSAVE): Similarly.
22893 (__va_longlong_p): Delete.
22894 (__va_arg_type_violation): New declaration.
22895 (va_arg): Restructure. Flag promotion errors. Align double.
22896 TFmode passed by reference.
22898 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22899 in the HOST_BITS_PER_WIDE_INT > 32 case.
22901 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22903 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22905 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22907 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22908 * toplev.c (documented_lang_options): Add -fpreprocessed.
22909 * cpplib.h (struct cpp_buffer): Add preprocessed.
22910 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22911 (cpp_start_read): Don't expand macros or emit an initial #line
22912 directive if -fpreprocessed.
22914 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22916 * cpplib.h (struct cpp_buffer): Added manual_pop for
22917 better C++ tokenization.
22918 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22919 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22920 * c-common.c (cpp_token): Make non-static.
22922 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22924 * c-common.h: New file.
22925 * c-common.c (permanent_obstack): Delete unused declaration.
22926 (c_global_trees): New array.
22927 (c_common_nodes_and_builtins): New function; split off common code
22928 from init_decl_processing in both c-decl.c and cp/decl.c.
22929 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22930 c_global_trees and accessor macros defined in c-common.h.
22931 Include c-common.h.
22932 * c-decl.c: Delete definitions for tree nodes that were replaced by
22934 (init_decl_processing): Build void_list_node.
22935 Call c_common_nodes_and_builtins; delete code to generate the common
22937 * objc/objc-act.c (build_module_descriptor): Rename variable
22938 void_list_node to avoid clash with c-common.h.
22940 * Makefile.in: Update dependencies.
22941 * objc/Make-lang.in: Likewise.
22943 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22945 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22946 (UNIQUE_SECTION_P): Likewise.
22947 (UNIQUE_SECTION): Likewise.
22949 1999-07-19 Linas Vepstas <linas@linas.org>
22951 * config/i370/README: New file.
22952 * config/i370/linux.h: New file.
22953 * config/i370/mvs.h: New file.
22954 * config/i370/oe.h: New file.
22955 * config/i370/t-linux: New file.
22956 * config/i370/t-mvs: New file.
22957 * config/i370/t-oe: New file.
22958 * config/i370/x-oe: New file.
22959 * config/i370/xm-linux.h: New file.
22960 * config/i370/xm-mvs.h: New file.
22961 * config/i370/xm-oe.h: New file.
22963 * i370.c (label_node_t): Add first_ref_page, label_addr,
22964 label_first_ref, label_last_ref members.
22965 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22966 (MAX_MVS_LABEL_SIZE): Define.
22967 (MAX_LONG_LABEL_SIZE): Define.
22968 (alias_node_t, alias_anchor, alias_number): New.
22969 (mvs_function_table): Reorder for EBCDIC.
22970 (ascebc, ebcasc): Unconditionally define.
22971 (i370_branch_dest, i370_branch_length): New functions.
22972 (i370_short_branch, i370_label_scan): New functions.
22973 (mvs_get_label): Renamed from mvs_add_label. Search for
22974 an existing label before creating a new one.
22975 (mvs_add_label): New function.
22976 (mvs_get_label_page): New function.
22977 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22978 over the entire list.
22979 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22980 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22981 (mvs_add_alias, mvs_need_alias): New functions.
22982 (mvs_get_alias, mvs_check_alias): New functions.
22983 (handle_pragma): New function.
22984 (mvs_function_check): New function.
22985 (unsigned_jump_follows_p): Search harder.
22986 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
22987 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
22988 * i370.h (TARGET_VERSION): Delete.
22989 (CPP_SPEC, CPP_PREDEFINES): Delete.
22990 (mvs_label_emitted): Delete.
22991 (TARGET_EBCDIC): Delete.
22992 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
22993 (HANDLE_PRAGMA): Define.
22994 (HARD_REGNO_NREGS): Handle complex modes.
22995 (HARD_REGNO_MODE_OK): Likewise.
22996 (CLASS_MAX_NREGS): Likewise.
22997 (RET_REG): Likewise.
22998 (EXTRA_CONSTRAINT): Define.
22999 (RETURN_IN_MEMORY): True for DImode.
23000 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
23001 (FUNCTION_PROFILER): Delete.
23002 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
23003 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
23004 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
23005 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
23006 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
23007 (ASM_FILE_START): Add "RMODE ANY".
23008 (ASM_OUTPUT_EXTERNAL): Check for aliases.
23009 (ASM_GLOBALIZE_LABEL): Likewise.
23010 (ASM_OUTPUT_LABELREF): Likewise.
23011 (ASM_OUTPUT_COMMON): Likewise.
23012 (PRINT_OPERAND): Handle 'K', 'W', default.
23013 (PRINT_OPERAND_ADDRESS): New.
23014 (Lots of defines): Add support for TARGET_ELF_ABI.
23015 * i370.md (attr length): New. Define for all patterns.
23016 (*): Lots of tweeks to assembly output and constraints.
23018 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
23020 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
23021 Disable patterns performing SImode comparisons with SImode values
23022 if TARGET_POWERPC64 and instruction does not sign-extend or does
23023 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
23024 differ for signed quantities.
23025 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
23026 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
23027 (decrement_and_branch_on_count): Add 64-bit variant.
23029 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23031 * final.c (output_asm_insn): When searching for the matching string
23032 for a given dialect, don't run past the end of the list of
23033 alternatives if there are fewer alternatives in the template than
23036 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
23038 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
23039 Removed paragraph about compression of files and size limitation,
23040 duplicated in the FAQ. Use gcc-patches for posting patches.
23041 * gcc.c (main): Updated URL with bug reporting instructions to
23042 gcc.gnu.org. Removed e-mail address.
23043 * system.h (abort): Likewise.
23045 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23047 * Makefile.in (stmp-multilib-sub): Make the files extracted
23048 from $(LIBGCC1) writable.
23050 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
23052 * config/arm/aout.h: Reformat for improved readability.
23054 * config/arm/arm.h: Reformat for improved readability.
23055 Replace uses of fprintf with asm_fprintf where appropriate.
23056 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
23057 function declaration assembler actions.
23058 (NUM_INTS): New macro: Convert from bytes to words.
23059 (NUM_REGS): New macro: Compute number of registers required to
23060 hold a quanitity of tyep MODE.
23061 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
23063 (NUM_ARG_REGS): New macro: The number of argument registers
23065 (ARG_REGISTER): New macro: Compute the register number of the Nth
23067 (LAST_ARG_REGNUM): New macro: The number of the last argument
23069 (SP_REGNUM): New macro: Register number of the stack pointer.
23070 (FP_REGNUM): New macro: Register number of the frame pointer.
23071 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
23072 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
23073 CUMULATIVE_ARGS so that it counts registers not bytes.
23075 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
23077 Replace uses of fprintf with asm_fprintf where appropriate.
23078 (output_ascii_pseudo_op): Replace with version from thumb.c
23080 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
23082 * config/arm/elf.h (CPP_PREDEFINES): Replace with
23083 SUBTARGET_CPP_SPEC.
23084 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
23085 (ASM_FILE_START): Emit ASM_APP_OFF.
23087 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
23089 * pa.c (compute_frame_size): Round frame according to
23090 STACK_BOUNDARY rather than a hardwired value.
23092 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
23094 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
23096 * configure: Rebuilt.
23098 * configure.in (hppa*-*-linux*): New configuration.
23099 * configure: Rebuilt.
23100 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
23101 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
23102 * pa/pa-linux.h: New file.
23103 * pa/t-linux: New file.
23104 * pa/xm-linux.h: New file.
23106 * pa.c (hppa_legitimize_address): Change references from SImode to
23107 either Pmode or word_mode as appropriate.
23108 (emit_move_sequence, store_reg, load_reg): Likewise.
23109 (set_reg_plus_d, hppa_expand_prologue): Likewise.
23110 (output_mul_insn): Likewise.
23111 * pa.h (PROMOTE_MODE): Likewise.
23112 (INITIALZE_TRAMPOLINE): Likewise.
23113 (Pmode): Define to word_mode.
23115 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
23116 value of 4. Allocate 8 bytes for each FP register save.
23117 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23119 (hppa_expand_prologue): Likewise.
23120 * pa.h (PROMOTE_MODE): Likewise.
23121 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23122 (FUNCTION_ARG_BOUNDARY): Likewise.
23124 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23126 * pa.c (out_of_line_prologue_epilogue): Delete.
23127 (override_options): Remove -mspace related code.
23128 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23129 (compute_frame_size): Only allocate space for register that
23130 actually need to be saved.
23131 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23132 (TARGET_SWITCHES): Remove -mspace, -mno-space
23133 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23134 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23135 * pa/ee.asm, pa/ee_fp.asm: Delete.
23137 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23139 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23140 directive in column zero.
23142 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23144 * m68k.c (output_function_prologue): Fix computation of save mask
23145 when generating PIC code.
23147 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23149 * tree.c (build_type_attribute_variant): Move current_obstack restore
23150 after build_qualified_type call.
23152 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23154 * configure.in: Use t-iris6, even with GNU LD.
23155 * config/mips/iris6gld.h: Fix typo in linker spec.
23156 * config/mips/t-iris6gld: Remove.
23158 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23160 * rs6000.md (insv, extzv): Remove SImode dependence in named
23161 patterns. Explicitly generate DImode RTL if PowerPC64 and
23163 (insvdi): Reverse start and size in instruction template.
23165 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23167 * invoke.texi: Typo fixes.
23169 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23171 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23172 handle at this time instead of silently generating incorrect code.
23173 (gen_imagpart): Likewise.
23175 * reload.c (find_reloads): Emit a USE for a pseudo register without
23176 a hard register if we could not create an optional reload for the
23179 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23181 * c-typeck.c (output_init_element, process_init_element):
23182 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23183 check for nameless bit fields.
23185 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23187 * regclass.c (scan_one_insn): Notice subregs that change the
23188 size of their operand.
23189 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23191 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23193 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23194 * configure: Rebuilt.
23195 * alpha/t-ieee: New file.
23197 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23199 * rs6000.c (find_addr_reg): Do not select r0 as an address
23202 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23204 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23206 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23208 * rs6000.md (movsf): Do not force easy FP constants into memory.
23210 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23211 immed_double_const to ensure they are properly truncated then
23214 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23216 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23217 always unless NO_DEBUG is used. Compile this code
23219 (replace_symbols_in_block): Compile it unconditionally.
23221 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23223 * configure.in (i?86-*-elf*): New target.
23224 * configure: Rebuilt.
23225 * i386/i386elf.h, i386/t-i386elf: New files.
23227 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23229 * toplev.c (main): Don't complain about saying -gdwarf.
23230 (rest_of_compilation): Remove redundant code.
23232 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23234 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23236 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23238 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23239 "Li960R:", to avoid name clash.
23241 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23243 * loop.c (check_dbra_loop): When reversing a loop, delete all
23244 REG_EQUAL notes referencing the reversed biv except those which are
23245 for a giv based on it.
23247 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23249 * version.c: Drop "gcc-" prefix from version #.
23251 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23253 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23254 the label if we're being verbose.
23256 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23258 * m68k.c (output_function_prologue): Add pic register to mask
23259 if live and flag_pic.
23260 (output_function_epilogue): Likewise.
23262 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23264 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23265 directives in column zero.
23267 * pa/elf.h (ASM_FILE_START): Define.
23268 * pa/som.h (ASM_FILE_START): Include .level directives.
23269 * pa/hpux10.h (ASM_FILE_START): Delete.
23270 * pa/hpux11.h (ASM_FILE_START): Delete.
23272 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23274 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23276 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23277 when reload_out equals reload_in.
23279 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23281 * invoke.texi (Spec Files): New node: Describe the contents of
23284 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23286 * invoke.texi (DEC Alpha Options): Put @end table at
23287 beginning of line, to avoid confusing texi2html.
23289 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23291 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23292 introduced in previous delta.
23294 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23296 * reload1.c (gen_reload): When synthesizing a 3 operand add
23297 sequence, improve test for when to reload OP1 into the reload
23298 register instead of OP0.
23300 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23302 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23304 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23306 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23309 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23311 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23312 (va_dcl): Use __builtin_va_alist_t.
23314 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23316 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23317 on the permanent_obstack.
23318 * dwarfout.c (output_type): Likewise.
23320 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23322 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23323 Merged from c-typeck.c and cp/typeck.c.
23324 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23325 Merged into c-common.
23327 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23329 * c-lex.c (errorcount): Declare it.
23330 (finish_parse): Update errorcount when using CPPLIB.
23332 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23334 * fixinc/inclhack.def(end_else_label): Double the backslash so
23335 sed gets a chance to see it.
23336 * fixinc/inclhack.sh: regen
23337 * fixinc/fixincl.x: regen
23339 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23341 Add framework to support armv5 architecture when it becomes
23344 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23345 (arm_arch5): New variable.
23346 (all_architectures): Add armv5 line.
23347 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23348 -march=armv5 is specified on the command line.
23349 (arm_arch5): Export this variable.
23350 * invoke.texi: Document new string accepted by -march= switch for
23353 * config/arm/arm.h: Replace use of constant 12 as a register
23354 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23355 * config/arm/arm.c: Replace use of constant 12 as a register
23356 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23358 * config/arm/elf.h: Tidy up.
23359 * config/arm/coff.h: Tidy up.
23361 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23363 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23364 * gcc/config/mips/t-iris6gld: New file.
23365 * gcc/config/mips/iris6gld.h: Likewise.
23367 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23369 * c-decl.c (widest_integer_literal_type_node,
23370 widest_unsigned_literal_type) : New.
23371 (init_decl_processing): Handle/use the two new types.
23372 * c-common.c (type_for_size,type_for_mode) : Same.
23373 * c-lex.c (yylex) : Same.
23374 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23376 * c-tree.h (widest_integer_literal_type_node,
23377 widest_unsigned_literal_type) : New.
23379 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23381 * dwarfout.c (field_byte_offset): Correctly compute the object's
23382 byte offset for the first bit of a field which crosses an alignment
23383 boundary on a !BYTES_BIG_ENDIAN target.
23385 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23387 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23390 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23391 Jeff Law <law@cygnus.com>
23393 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23396 * except.c: Include intl.h.
23397 (expand_eh_return): Set current_function_cannot_inline.
23398 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23399 * function.h (struct function): Add eh_return_stub_label.
23400 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23401 * Makefile.in (except.o): Depend on intl.h.
23403 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23405 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23406 same as offsettable in cases 1 and 2.
23408 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23410 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23411 (extlh, extwh): Likewise.
23413 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23415 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23417 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23419 * configure.in: Add arm-pe and thumb-pe targets.
23420 * configure: Regenerate.
23422 * thumb.c (arm_naked_function_p): New function: Determines if
23423 a function is naked (has no gcc generated prologue/epilogue).
23424 (is_called_in_ARM_mode): Return true if the func has the
23425 interfacearm attribute.
23426 (output_return): Do not generate a return for naked functions.
23427 (thumb_function_prologue): Do not generate a prologue for
23429 (thumb_expand_prologue): Do not generate a prologue for naked
23431 (thumb_expand_epilogue): Do not generate an epilogue for naked
23433 (arm_valid_machine_decl_attribute): New function, copied from
23434 arm.c: Permit naked and interfacearm attributes.
23436 * config/arm/pe.c: New file: Support code for arm-pe target.
23437 * config/arm/pe.h: New file: Header file for arm-pe target.
23438 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23439 * config/arm/t-thumb-pe: New file: Makefile fragment for
23442 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23444 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23445 -fPIC or -fpic is specified.
23447 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23449 * expr.c (emit_block_move): Use copy_to_mode_reg for
23450 !TARGET_MEM_FUNCTIONS case too.
23452 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23454 * configure: Rebuilt.
23455 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23456 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23457 definitions made redundant by dbxelf.h inclusion. Delete
23458 lots of definitions related to assembly output that are
23459 specific to the SOM object format.
23460 * pa.c (output_function_prologue): Do not emit the function's
23462 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23463 * pa-pro.h: Deleted.
23464 * som.h: New file with SOM specific definitions.
23465 * elf.h: New file with ELF specific definitions.
23467 * elfos.h (const_section): Output a tab before assembler directives.
23468 (ctors_section, dtors_section): Likewise.
23469 (ASM_OUTPUT_SECTION_NAME): Likewise.
23471 * pa/pa1.h: Delete unused file.
23473 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23475 * configure.in (hppa*-hp-hpux11*): New configuration.
23476 * configure: Rebuilt.
23477 * pa/pa-hpux11.h: New file.
23478 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23481 * mips.md (leasi, leadi): New patterns.
23483 * expr.c (emit_block_move): Properly handle case where one of the
23484 block move arguments has a queued increment or decrement.
23485 (clear_storage): Similarly. Fix formatting goof.
23487 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23489 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23490 semicolon from the BSD VA_LIST replacement expression.
23492 * fixinc/inclhack.sh: regen
23493 * fixinc/fixincl.x: regen
23495 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23496 now use the fixincl program.
23498 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23500 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23501 case. Also make the PIC register call_used.
23503 * m68k.h (FINALIZE_PIC): Delete.
23504 * m68k.c (finalize_pic): Delete.
23506 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23508 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23511 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23513 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23515 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23517 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23519 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23521 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23523 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23525 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23527 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23529 * rs6000.c (output_toc): Always use hex values for floating-point
23530 constants. Store single-precision values in upper-half of TOC
23531 entry in 64-bit mode.
23532 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23533 to final constraints.
23534 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23535 (fctiwz): Improve accuracy of RTL for pattern.
23537 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23539 * expr.c (expand_expr): Allow RTL_EXPR's through the
23540 MAX_INTEGER_COMPUTATION_MODE checks.
23542 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23544 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23545 such that MASK_SUPPORT_ARCH is not negative.
23547 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23549 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23550 ADDR_DIFF_VEC insns that appear inside loops.
23552 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23553 Jeff Law <law@cygnus.com>
23555 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23556 Handle LO_SUM the same as offsettable in cases 1 and 2.
23557 * rs6000.c (find_addr_reg): Revert previous patch.
23559 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23561 * system.h (strstr): New external function declaration.
23562 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23563 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23564 * config.in, configure: Rebuilt.
23566 1999-06-24 Tom Tromey <tromey@cygnus.com>
23568 * gcc.c (main): Read user-specified specs files after computing
23569 additional startfile_prefixes.
23571 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23573 Revert these two patches:
23575 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23576 * loop.c (strength_reduce): When doing biv->giv conversion, update
23577 reg note of NEXT->insn.
23579 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23580 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23582 (recombine_givs): Set ix field after sorting.
23584 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23586 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23587 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23589 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23591 *fixinc/inclhack.def: Add fix development commentary
23592 (read_ret_type): reactivate and add selection clause
23593 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23594 *fixinc/{fixincl.x|inclhack.sh}: regen
23596 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23598 * expr.c (expand_expr): STRIP_NOPS before checking against
23599 MAX_INTEGER_COMPUTATION_MODE
23600 (check_max_integer_computation_mode): Likewise.
23602 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23604 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23606 1999-06-22 Jim Wilson <wilson@cygnus.com>
23608 * expr.c (store_expr): When target is a promoted subreg, return a
23609 promoted subreg as a result.
23611 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23613 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23615 (dwarf2out_define): Mark unused parameters appropriately.
23616 (gen_unspecified_parameters_die): Ditto.
23617 (gen_subprogram_die): Fix signed/unsigned warnings.
23618 (gen_variable_die): Ditto.
23620 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23622 * fixinc/inclhack.def(end_else_label): combined else_label
23623 and endif_label and fixed the sed expression.
23624 *fixinc/{fixincl.x|inclhack.sh}: regen
23626 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23628 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23629 'x' when handling non-offsettable addresses
23631 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23633 * final.c (shorten_branches): Don't try to split an insn that has
23636 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23638 * config/mips/mips.c (symbolic_expression_p): New function.
23639 (mips_select_rtx_section): Put symbolic expressions in the
23640 data section, not the read-only data section.
23642 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23644 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23646 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23648 * collect2.c (main): Log frame table count.
23649 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23650 (scan_prog_file) [COFF]: Handle frame tables.
23652 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23653 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23654 * alpha/elf.h: Undef them again.
23655 * alpha/vms.h: Remove their definitions.
23657 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23659 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23660 remove the clobber of r0 and change the REG_UNUSED note to
23663 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23665 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23666 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23667 fits in HOST_WIDE_INT and one uses union to access a long constant
23670 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23672 * sparc.c (sparc_override_options): Don't allow profiling for
23673 code models other than medlow.
23674 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23675 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23676 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23677 (sparc_block_profiler): Likewise.
23678 (sparc_function_block_profiler_exit): Likewise.
23679 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23680 (FUNCTION_BLOCK_PROFILER): Likewise.
23681 (BLOCK_PROFILER): Likewise.
23682 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23683 (MCOUNT_FUNCTION): New.
23684 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23685 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23686 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23687 (MCOUNT_FUNCTION): New.
23688 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23689 (BLOCK_PROFILER): Delete.
23690 (MCOUNT_FUNCTION): New.
23692 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23694 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23696 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23698 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23701 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23704 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23707 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23710 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23712 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23715 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23717 * i386/djgpp.h (LIB_SPEC): New.
23718 (STARTFILE_SPEC): New.
23720 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23722 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23724 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23727 * system.h (WSTOPSIG): New macro.
23729 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23731 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23733 (insert_pack_attributes): Take into account member natural
23736 * i386/winnt.c (exports_head): New static variable.
23737 (i386_pe_record_exported_symbol): New function.
23738 (i386_pe_asm_file_end): Use.
23739 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23740 symbols to be emitted at end of assembly.
23741 (ASM_DECLARE_OBJECT_NAME): Likewise.
23742 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23744 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23747 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23749 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23752 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23754 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23755 zapping reg_last_uses directly.
23756 (sched_analyze_2, sched_analyze_insn): Likewise.
23757 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23759 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23761 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23762 attributes for cases 1 and 2.
23764 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23766 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23769 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23771 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23773 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23775 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23776 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23777 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23778 must be stacked if it is used for PIC accesses.
23779 * arm.c (use_return_insn): Handle PIC register specially.
23780 (output_return_instruction): Likewise.
23781 (output_func_{prologue,epilogue}): Likewise.
23782 (output_expand_prologue): Likewise.
23784 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23785 (*strsi_predec): Renamed from *strqi_predec.
23786 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23787 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23789 * arm.c (arm_override_options): Remove warning about PIC code
23790 not being supported.
23792 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23794 * rs6000.c (find_addr_reg): New function.
23795 * rs6000.h (find_addr_reg): Declare.
23796 (offsettable_addr_operand): Delete.
23797 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23798 from and stores to GPRs.
23800 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23802 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23803 gen_sequence as argument to emit_no_conflict_block.
23805 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23807 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23808 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23809 *fixinc/fixincl.x: regen
23810 *fixinc/inclhack.sh: regen
23812 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23814 * added support for -mpcrel (PC relative addressing for m68k)
23815 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23816 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23817 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23818 (comments for general_src_operand): Add some explanation
23819 about EXTRA_CONSTRAINTS.
23820 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23821 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23822 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23823 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23824 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23825 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23826 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23827 if not already set.
23828 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23829 * m68k.h (TARGET_PCREL): New target flag.
23830 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23831 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23832 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23833 contains a SYMBOL_REF. Relax this constraint during reload, since
23834 we want to use the predicates, not reload's built-in concept of a
23835 valid memory address, to control what insns need reloading.
23836 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23837 operands (essentially 'g', 'm', and 's' under normal circumstances).
23838 * m68k.c (print_operand): Cause printing of pc-relative addresses
23839 to include pc register.
23840 (print_operand_address): Ditto.
23841 (general_src_operand): Accept operands that are not only
23842 general_operands, but are also valid when used as a pc-relative
23844 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23845 (memory_src_operand): Similar, for memory_operands.
23846 (pcrel_address): New predicate to accept the special case of a
23847 pc-relative address.
23848 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23849 QImode insns to accept *_src_operand instead of *_operand where
23850 pc-relative operands can fit. For example, a pc-relative operand
23851 can be used as a memory source operand for addsi3, but not as a
23852 memory destination.
23853 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23855 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23857 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23858 .thumb_set pseudo op to mark aliases of thumb functions.
23860 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23862 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23863 preference to ASM_OUTPUT_DEF, if it is defined.
23865 * tm.texi: Document new, optional target macro
23866 ASM_OUTPUT_DEF_FROM_DECLS.
23868 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23870 * fixincludes: ISCNTL patch
23871 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23872 (dgux_int_varargs): new for DG/UX
23873 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23875 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23877 * invoke.texi (ia32 options): Fix typo.
23879 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23881 * loop.c (strength_reduce): When doing biv->giv conversion, update
23882 reg note of NEXT->insn.
23884 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23886 * loop.c (move_movables): Note issues with replacing REGs with
23888 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23890 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23892 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23894 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23895 the reference to `mcount' was not correct for the ELF on FreeBSD.
23897 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23899 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23902 (recombine_givs): Set ix field after sorting.
23904 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23906 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23907 to safe to extract a subword out of a REG.
23909 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23911 * sh.md (mulsi3): Don't add a no-op move at the end.
23913 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23915 * cse.c (cse_insn): Don't put hard register source into tables for
23916 the last insn of a libcall.
23918 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23920 * loop.c (strength_reduce): Insert sets of derived givs at every
23921 biv increment, even if it's the only one.
23923 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23925 * dwarfout.c (add_incomplete_type): New fn.
23926 (output_type): Call it.
23927 (retry_incomplete_types): New fn.
23928 (dwarfout_finish): Call it.
23930 From Eric Raskin <ehr@listworks.com>:
23931 (output_type): Output types for bases.
23933 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23935 * mips.c (mips_output_conditional_branch): Add `break'
23936 between `default' label and `close braces'.
23938 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23940 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23941 specifications and make it realistic.
23942 (LIB_SPEC): Likewise.
23944 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23946 * config/mips/mips.c (mips_secondary_reload_class): Check for
23947 (PLUS (SP) (REG)) and return appropriate register class.
23948 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23949 Handle (PLUS (SP) (REG)).
23950 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23951 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23952 of emit_insn for tablejump.
23954 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23956 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23957 asm_fprintf format string by itself.
23958 (output_function_profiler): Likewise.
23960 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23962 * combine.c (simplify_logical, case AND): Only call
23963 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23964 or the constant is positive.
23966 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23968 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23969 * configure: Regenerate.
23971 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23973 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23974 require a sub-version #.
23975 * configure: Rebuilt.
23977 1999-06-14 Robert Lipe (robertlipe@usa.net)
23979 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23981 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23983 * c-typeck.c (process_init_element): Detect excess elements in
23984 char array initializer.
23986 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23988 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
23990 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23992 * invoke.texi (Option Summary): Add -fpermissive flag.
23994 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
23996 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
23997 that require PIC code sequences.
23999 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
24001 * configure.in: Add new target: thumb-elf.
24002 * configure: Regenerate.
24003 * config/arm/t-thumb-elf: New file: Makefile fragment for
24005 * config/arm/telf.h: New file: Header file for thumb-elf
24008 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
24010 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
24011 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
24012 initializers is some circumstances.
24014 * fixinc/inclhack.def (endif_label): Add additional selector for
24015 more bogus stuff after #endif statements.
24016 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
24018 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
24020 * i386/cygwin.h (SET_ASM_OP): Define.
24022 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
24024 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
24026 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24028 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
24031 * sh.md (ic_invalidate_line_i): Remove second alternative.
24033 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24035 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
24036 test for the presence of valid prototypes. Delete bypass expr.
24037 (ioctl_fix_ctrl): Correct the selection expression.
24038 (no_double_slash): Correct quoting rules
24039 *fixinc/fixincl.x: regen
24040 *fixinc/inclhack.sh: regen
24042 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
24044 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
24046 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24048 * rs6000.md (movsi_got_internal_mem): Delete.
24049 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
24050 (GOT_TOC_REGNUM): Delete.
24051 (PIC_OFFSET_TABLE_REGNUM): Define.
24052 (FINALIZE_PIC): Disable.
24053 * rs6000.c (rs6000_got_register): New code for fixed pic register.
24054 (rs6000_replace_regno): Delete.
24055 (rs6000_finalize_pic): Likewise.
24056 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
24058 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24060 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
24061 is a note; use <= for the compare; advance P while it is
24064 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
24066 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
24067 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
24069 * varasm.c (remove_from_pending_weak_list): Verify t->name
24070 is non-NULL before passing it to strcmp.
24072 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24074 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
24075 the typed arguments are not part of a comment
24076 (ioctl_fix_ctrl): Added a purpose comment
24077 *fixinc/fixincl.x: regenerate
24078 *fixinc/inclhack.sh: regenerate
24080 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24082 * invoke.texi: Add C4x invocation docs.
24084 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24086 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
24088 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
24090 (c4x_legitimize_reload_address): New function.
24091 * config/c4x/c4x.md: Update docs.
24093 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
24095 * fixincludes: Avoid removing '.'.
24096 * fixinc/fixinc.svr4: Likewise.
24097 * fixinc/fixinc.winnt: Likewise.
24098 * fixinc/inclhack.tpl: Likewise.
24099 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
24101 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24103 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
24105 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
24107 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
24109 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
24112 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
24114 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
24115 * configure: Regenerate.
24117 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24119 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24122 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24124 * fixinc/inclhack.def (avoid_bool): Also catch
24125 "typedef [unsigned] int bool".
24126 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24128 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24129 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24130 * configure: Rebuilt.
24132 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24134 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24135 such that we can override its definitions if necessary.
24136 (CPP_SPEC): New define. Support processor specific predefines via
24138 (CC1_SPEC): New define. Support processor specific compiler
24139 options via %(cc1_cpu).
24140 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24143 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24145 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24146 between sed's -e flag, and the open-quote following it.
24147 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24149 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24150 Jeffrey A Law (law@cygnus.com)
24152 * varasm.c (assemble_start_function): Remove the function
24153 from the pending weak decls list when we define a function.
24154 (assemble_variable): Similarly for variables.
24155 (weak_finish): Ignore items on the list with a NULL name.
24156 (remove_from_ending_weak_list); New function to "remove" an item
24157 from the pending weak declarations list.
24159 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24161 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24163 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24165 * c-lex.c (GETC): Redefine to call getch.
24166 (UNGETC): Redefine to call put_back.
24167 (putback_buffer): New structure type.
24168 (putback): New static structure.
24169 (getch): New function.
24170 (put_back): New function.
24171 (yylex): Replace unused bytes from bad multibyte character.
24173 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24175 * cpplib.c (do_define): Cast `alloca' return value.
24176 (do_include, do_undef, do_pragma): Likewise.
24177 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24179 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24180 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24182 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24184 * sparc.md (abstf2): This should be an expand.
24185 (split after abstf2_notv9): Fix mode.
24186 (abstf2_hq_v9): New pattern.
24187 (abstf2_v9): Only use when no hard quad.
24188 (absdf2_v9): Fix if target is not the same as source.
24189 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24190 Add correct output constraints.
24192 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24194 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24195 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24197 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24199 * mips.h (mips_output_conditional_branch): New function.
24200 (mips_adjust_insn_length): Likewise.
24201 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24202 (ADJUST_INSN_LENGTH): Likewise.
24203 * mips.c (print_operand): Add `F' and `W' for floating-point
24204 comparison opcodes.
24205 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24207 (mips_adjust_insn_length): New function.
24208 (mips_output_conditional_branch): New function.
24209 * mips.md (length): Adjust attribute definition to handle
24210 conditional branches. Change lengths to bytes, rather than
24211 instructions throughout. Remove length attribute from
24212 instructions whose length is four bytes, and rely on the default
24214 (dslot): Fix typo in comment.
24215 Reword conditional branch patterns to use
24216 mips_output_conditional_branch.
24218 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24220 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24221 (LIB_SPEC): Likewise.
24222 Link with -lprof1_r for -g/-pg.
24224 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24226 * loop.c (check_dbra_loop): Fix change of Jan 19.
24228 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24230 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24231 (STARTFILE_SPEC): Define, override the svr4.h version.
24232 (ENDFILE_SPEC): Likewise.
24234 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24236 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24237 * fixinc/fixincl.x: Regenerated.
24238 * fixinc/inclhack.sh: Regenerated.
24240 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24242 * sh.c (barrier_align): Don't return early for normal branch/barrier
24243 when optimizing for SH2.
24245 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24247 * i386/udk.h (LINK_SPEC): Correct linker search path for
24250 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24252 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24253 (braf_label_ref_operand): Delete.
24254 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24255 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24256 label_ref, and has no predicate.
24257 The patten has a predicate to guard against invalid substitutions.
24258 (dummy_jump): Delete.
24259 (casesi): Update use of casesi_jump_2.
24261 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24263 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24264 *fixinc/fixincl.x: regenerate
24265 *fixinc/inclhack.sh: regenerate
24267 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24269 * dwarf2out.c (add_incomplete_type): New fn.
24270 (gen_struct_or_union_type_die): Call it.
24271 (retry_incomplete_types): New fn.
24272 (dwarf2out_finish): Call it.
24274 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24276 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24277 current block starts with a CODE_LABEL and ends with a CALL and
24278 we can not find all the argument setup instructions for the CALL.
24280 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24282 Revert this change:
24283 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24284 something is a candidate for optimize_bit_field_compare.
24286 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24288 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24290 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24292 * alpha.c (override_options): Thinko in last patch.
24294 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24295 (LIB_SPEC): Recognize -pthread.
24297 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24299 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24300 definition in config/arm/coff.h
24301 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24303 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24305 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24306 fixes that need "file=xxx\n" prepended before invocation
24307 (start_fixer - new): starting the fixer process is complex enough
24308 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24309 (process): uses the new routine; omit usage of putenv()
24310 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24311 * fixinc/fixincl.x: regenerate
24313 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24315 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24316 and version #s (1.1 -> 2.96) as needed.
24317 * README.g77: Kill way out of date file in the toplevel directory.
24319 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24321 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24322 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24323 * configure: Rebuilt.
24324 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24325 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24326 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24327 (SWITCH_TAKES_ARG): Likewise.
24328 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24329 * config/t-freebsd: Moved from config/i386/ so it can used for all
24332 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24334 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24336 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24338 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24339 * configure: Rebuilt.
24341 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24343 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24344 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24345 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24346 (rs6000_output_load_toc_table): Same.
24347 (output_prolog, output_mi_thunk): Same.
24348 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24349 (ASM_GLOBALIZE_LABEL): Use putc.
24351 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24353 * alpha.md (reload_*_help): New patterns and splitters.
24354 (reload_*): Use them.
24355 (mov[qh]i): Likewise.
24357 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24359 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24362 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24364 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24366 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24368 * flow.c (mark_regs_live_at_end, insn_dead_p,
24369 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24370 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24371 hasn't run or the frame pointer is needed.
24372 * haifa-sched.c (attach_deaths): Likewise.
24373 * sched.c (attach_deaths): Likewise.
24375 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24377 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24378 calculate_can_reach_end returns nonzero.
24380 * configure.in (native gas tests): Search for an assembler in the
24381 same manner that the installed compiler will.
24382 * configure: Rebuilt.
24383 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24385 * alias.c (find_base_term): Improve handling of addresses
24386 constructed from binary operations.
24388 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24390 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24392 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24394 * function.h (cleanup_label, frame_offset): Declare.
24395 (tail_recursion_label, tail_recursion_reentry): Likewise.
24396 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24397 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24398 (tail_recursion_label, tail_recursion_reentry): Likewise.
24399 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24401 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24403 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24405 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24406 (MAX_OFILE_ALIGNMENT): Define.
24408 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24410 * fixincl.c: Replace local include scheme with #includes of
24411 gansidecl.h and system.h.
24412 * procopen.c: Likewise.
24413 * server.c: Likewise.
24415 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24417 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24418 (crti.o): Add build rule and dependencies.
24419 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24421 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24423 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24424 (LIB_LINUX_SPEC): Likewise.
24425 (LIB_LINUX_SPEC): Add support for -pthread
24426 (CPP_OS_LINUX_SPEC): Likewise.
24427 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24430 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24432 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24434 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24435 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24436 for IEEE math and CC_FCOMI.
24437 (put_jump_code): No IEEE if CC_FCOMI is set.
24439 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24441 * fold-const.c (fold_truthop): Make the field reference unsigned
24442 when converting a single bit compare.
24444 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24446 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24448 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24450 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24451 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24454 * reload.c (push_reload): Do not call remove_address_replacements
24455 when presented with identical optional reloads.
24457 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24459 * alpha.h (MASK_FIX, TARGET_FIX): New.
24460 (MASK_*): Reorganize constants.
24461 (CPP_AM_FIX_SPEC): New.
24462 (TARGET_SWITCHES): Add FIX.
24463 (EXTRA_SPECS): Likewise.
24464 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24465 (SECONDARY_MEMORY_NEEDED): Likewise.
24466 (REGISTER_MOVE_COST): Likewise.
24467 * alpha.c (override_options): Add FIX support. Always use
24468 ALPHA_TP_PROG for ev6.
24469 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24470 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24471 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24473 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24475 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24476 something is a candidate for optimize_bit_field_compare.
24478 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24480 * gcc.texi (Passes): Document branch-shortening.
24481 * invoke.texi (Debugging Options): Document the fact that `-dp'
24482 outputs length information for instructions.
24484 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24486 * flow.c: Revert previous delta.
24488 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24490 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24491 FRAME_POINTER_REGNUM.
24492 (mark_set_1): Ditto.
24493 (mark_used_regs): Ditto.
24495 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24497 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24498 (GOT_PCREL): New macro. Define to 1 if not already defined.
24499 * arm/elf.h (GOT_PCREL): Define to 0.
24500 * arm.c (arm_finalize_pic): Take into account the setting of
24503 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24505 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24506 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24508 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24509 store elimination candidates.
24511 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24513 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24516 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24518 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24519 Add use of x-aix41-gld.
24521 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24523 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24524 (ASM_OUTPUT_DESTRUCTOR): Define.
24526 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24528 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24529 last CODE_LABEL in a loop if we have previously passed a jump
24530 to the top of the loop.
24532 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24534 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24535 applying Philip's patch.
24537 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24539 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24542 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24544 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24546 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24548 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24549 Also remove a useless comment.
24551 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24553 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24555 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24557 * collect2.c (main): Only generate import or export file and add
24558 to link arguments if non-empty. Use xmalloc not alloca.
24559 (write_{export,import}_file): Delete.
24560 (write_aix_file): New function.
24561 (locatelib): Use xmalloc not malloc.
24562 (GCC_OK_SYMBOL): Do not check type if aix64.
24564 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24566 Based on patch by Scott Bambrough and Pat Beirne:
24567 * config/arm/arm.c (making_const_table): New variable.
24568 * config/arm/arm.h (making_const_table): Declare.
24569 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24571 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24572 Keep track of when we are building the constant table.
24574 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24576 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24579 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24581 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24584 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24586 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24589 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24591 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24593 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24595 * rs6000.c (output_mi_thunk): Enable full support again.
24597 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24599 * sh.h (BRANCH_COST): Define.
24601 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24603 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24605 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24607 * function.c (assign_stack_local): Align stack slot propertly.
24608 (assign_outer_stack_local): Likewise.
24610 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24612 * expr.h (lang_expand_constant): Declare.
24613 * toplev.c (lang_expand_constant): Define it.
24614 * varasm.c (output_constant): Use it.
24616 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24618 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24619 Change function definitions to K&R style.
24621 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24623 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24625 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24627 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24628 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24629 (several places): omit static initialization
24630 (process): use single fd, since only the read fd is used
24631 * fixinc/gnu-regex.c: define 'const' away, if not supported
24632 * fixinc/procopen.c(several places): omit static initialization
24633 * fixinc/server.c: define 'volitile' away, if not supported
24635 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24637 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24638 asm_fprintf and %L to generate the label name.
24639 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24640 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24642 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24644 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24645 insn for a conditional jump can not be found.
24647 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24649 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24650 on variables in specific sections other than .sbss and .sdata.
24652 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24654 * stmt.c (expand_return): Call start_cleanup_deferral and
24655 end_cleanup_deferral around conditional code.
24657 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24659 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24660 filename lists. Utilizes new "krstr" AutoGen function.
24661 * fixinc/fixincl.x: Rebuilt.
24663 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24665 * i386.c (output_float_compare): Avoid GNU-C extensions.
24667 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24669 * version.c: Bump to distinguish mainline tree from the
24672 See ChangeLog.1 for earlier changes.