1 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6 * expr.c (reload.h): Now included.
7 (emit_block_move): Set volatile_ok when checking for movstr.
8 (emit_move_1): Check for replacements in addresses in multi-word case.
9 * Makefile.in (expr.o): Now includes reload.h.
11 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
12 Never have a LIBCALL end a basic block.
13 (find_basic_blocks_1): Likewise.
14 Reorganize CALL_INSN cases.
16 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
18 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
20 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
21 completers from mov.ret instruction.
23 2000-04-14 Richard Henderson <rth@cygnus.com>
25 * fold-const.c (extract_muldiv): Don't distribute and widen
26 multiply across plus for non-sizetype unsigned types.
28 2000-04-14 Richard Henderson <rth@cygnus.com>
30 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
31 If the original source is dead in the incr insn, it's dead now.
33 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
35 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
36 see if DECL_BIT_FIELD needs to still be set.
38 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
40 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
41 print_int_cst_octal with something that's not an INTEGER_CST.
43 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
44 and not a SUBREG to a FLOAT rtl.
46 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
48 * emit-rtl.c (try_split): Avoid infinite loop if the split
49 results in a sequence that contains the original insn.
51 2000-04-13 Andreas Jaeger <aj@suse.de>
53 * config/mips/mips.c (expand_block_move): Pass alignment
54 argument to move_by_pieces in bits, not bytes.
56 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
57 __pic__ for little endian.
59 2000-04-13 Andreas Jaeger <aj@suse.de>
61 * config/i386/i386-protos.h: Add prototype for
62 uno_comparison_operator.
64 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
66 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
67 * calls.c (ECF_PURE): New flag.
68 (emit_call_1): Handle ECF_PURE calls.
69 (initialize_argument_information): Unset ECF_PURE flag too.
70 (precompute_arguments): Precompute for ECF_PURE too.
71 (expand_call): Handle ECF_PURE calls too.
72 (emit_library_call_value_1): Rename no_queue argument to fn_type,
73 accept value of 2 as pure function.
74 (emit_library_call_value, emit_library_call): Rename no_queue argument
76 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
78 * tree.h (DECL_IS_PURE): New macro.
79 (struct tree_decl): Add pure_flag.
80 * c-common.c (enum attrs): Add attribute "pure".
81 (init_attributes): Initialize attribute "pure"
82 (decl_attributes): Handle attribute "pure".
83 * extend.texi (Attribute "pure"): Document.
84 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
86 (flags_from_decl_or_type): Support attribute "pure".
88 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
90 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
91 the token except for numbers and identifiers.
93 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
95 * i386.c (ix86_expand_binary_operator,
96 ix86_expand_unary_operator): Check no_new_pseudos
97 instead of reload_in_progress and reload_completed.
98 (ix86_split_ashldi, ix86_split_ashrdi,
99 ix86_split_lshrdi): Check no_new_pseudos instead
102 2000-04-12 Jeffrey A Law (law@cygnus.com)
104 * function.c (purge_addressof): Unshare any shared rtl created by
105 purge_addressof and its children.
107 2000-04-12 Mark Mitchell <mark@codesourcery.com>
109 * function.c (aggregate_value_p): VOID_TYPE nodes are never
112 2000-04-05 Andreas Jaeger <aj@suse.de>
114 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
115 not compiling PIC code, add flags for mabi=64.
116 (SUBTARGET_CPP_SIZE_SPEC): New.
117 (SUBTARGET_CPP_SPEC): New.
118 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
119 for MIPS/Linux and lots of code needs these defines.
121 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
123 * reorg.c (fill_slots_from_thread): Check side_effects_p when
124 trying the "opposite arithmetic" approach.
126 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
128 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
129 (struct sh_args): Add new field force_mem.
130 (INIT_CUMULATIVE_ARGS): Initialize it.
131 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
133 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
135 * calls.c (expand_call): Do not reverse args in "equal from" field.
136 (emit_library_call_value_1): Emit_libcall_block for const and pure
139 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
141 * reload1.c (reload_combine): Don't enable optimization for fixed
142 registers when encountering a BARRIER.
144 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
146 * builtins.c (expand_builtin_memcmp): Do expansion even with
147 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
149 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
150 stack is propertly aligned; add sanity checking for aligned
152 (expand_library_call_value_1): Add sanity checking for aligned
155 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
157 * calls.c (emit_library_call_value_1): Change 3rd arg to
158 locate_and_pad_parm to disregard the setting of partial.
160 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
162 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
164 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
165 CALL_INSN from the normal case.
167 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
169 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
170 New global variables.
171 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
173 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
175 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
176 TARGET_ADD_ESP_8): New macros.
177 * i386.md: Add peep2s to convert esp adjustments to push and pop
179 (pushsi_prologue, popsi_epilogue): New patterns.
181 2000-04-12 Jakub Jelinek <jakub@redhat.com>
183 * real.c (toe64): Remove stale #endif from the last change.
185 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
187 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
188 * real.c (toe64): Revert previous change.
190 2000-04-12 Jakub Jelinek <jakub@redhat.com>
192 * objc/objc-act.c: Include ggc.h.
193 (objc_tree_index, objc_global_trees): Convert most of the
194 static tree variables into a static array with previous names
196 (objc_ellipsis_node): New variable.
197 (lang_init): Call objc_act_parse_init and c_parse_init.
198 Create objc_ellipsis_node.
199 (build_selector_translation_table): Use objc_ellipsis_node instead
201 (hack_method_prototype): Likewise.
202 (get_arg_type_list): Likewise.
203 (start_method_def): Likewise.
204 (continue_method_def): Likewise.
205 (gen_method_decl): Likewise.
206 (ggc_mark_imp_list): New function.
207 (ggc_mark_hash_table): New function.
208 (objc_act_parse_init): New function.
209 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
210 * c-parse.in (c_parse_init): For objc add roots of objc specific
211 local tree variables.
212 * objc/objc-parse.y: Rebuilt.
213 * objc/objc-parse.c: Rebuilt.
214 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
216 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
218 * cse.c (delete_trivially_dead_insns): Also delete insns
219 that copy a register to itself where the destination is
222 2000-04-11 Richard Henderson <rth@cygnus.com>
224 * flow.c (struct propagate_block_info): Add new_dead, new_live.
225 (propagate_block): Initialize them. Use them in parallel instead
226 of one tmp variable, ie revert much of the 0408 and 0407 functional
227 changes, but keep the structural changes.
228 (mark_set_regs): Take new_dead from propagate_block_info instead.
229 (mark_set_1, mark_set_reg): Likewise.
230 (mark_used_regs): Likewise with new_live.
231 (mark_used_reg): Likewise. Revert 0408 change.
233 2000-04-11 Nick Clifton <nickc@cygnus.com>
235 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
237 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
239 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
241 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
242 const section to output a CONSTRUCTOR based on the same conditions
245 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
247 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
248 * pa/pa-protos.h (output_call): Add additional argument indicating
249 if the call is a sibling/tail call.
250 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
251 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
252 (function_arg, function_arg_partial_nregs): Likewise
253 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
254 (emit_move_sequence): Zero extend certain constants as needed
256 (compute_zdepdi_operands, output_64bit_and): New functions.
257 (output_64bit_ior, function_arg): Likewise.
258 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
259 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
260 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
261 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
262 (output_bvb): Likewise.
263 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
264 (output_call): New argument 'sibcall'. Generate sibcall sequences
266 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
267 (ouput_arg_descriptor): Do not emit argument descriptors for
269 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
271 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
272 (FUNCTION_OK_FOR_SIBALL): Define.
273 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
274 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
275 (CPP_SPEC): Use new spec infrastructure.
276 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
277 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
278 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
279 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
280 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
281 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
282 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
283 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
284 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
285 (FUNCTION_ARG); Call out to C code.
286 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
287 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
288 (MIN_UNITS_PER_WORD): Likewise.
289 * pa/pa.md (cmpdi): New expander.
290 (scc patterns, movstrsi): Not available for TARGET_64BIT.
291 (64bit conditional arithmetic): New patterns.
292 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
293 (movsicc): Not available if modes on all the operands to not match.
294 (movdicc): New expander and associated patterns.
295 (64bit branches): New patterns.
296 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
297 (pre_ldd, post_std): New patterns.
298 (64bit addil, load low part): New patterns.
299 (special movsf constant): Not available for TARGET_64BIT.
300 (movsf, movdf expanders): Force constants into memory.
301 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
302 (64bit movdf/movdi patterns): New patterns.
303 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
305 (extendqidi2, extendhidi2, extendsidi2): Similarly.
306 (adddi3 expander): Allow "arith_operand" for second input.
307 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
308 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
309 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
310 (muldi3): New expander for TARGET_64BIT.
311 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
313 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
314 patterns for TARGET_64BIT.
315 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
316 patterns for TARGET_64BIT.
317 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
318 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
319 (sibcall_epilogue): New expander.
320 (casesi): Tweak for TARGET_64BIT.
321 (call expanders): Set & use the outgoing argument pointer. Use the
322 64bit call patterns as needed. Add additional arg to output_call.
323 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
324 (sibcall, sibcall_internal_symref): New expanders.
325 (sibcall_value, sibcall_value_internal_symref
326 (interspace_jump): Turn into an expander + matching patterns.
327 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
328 * pa/pa64-regs.h: Eliminate trigraph sequences.
329 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
331 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
333 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
334 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
335 cpp_token with cpp_ttype everywhere.
336 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
337 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
338 CPP_BUF_COL. Line and column numbers are unsigned int, not
340 * cpplex.c (cpp_buf_line_and_col): Delete.
341 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
342 'long lineno' to 'unsigned int lineno'.
343 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
345 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
347 * extend.texi: ISO C99 is not a draft anymore.
348 * invoke.texi: ISO C++ is not a draft anymore.
349 * cpp.texi: __cplusplus is required by the ISO standard.
351 * extend.texi (-fthis-is-variable): Undocument.
352 * flags.h (warn_template_debugging): Remove declaration.
353 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
354 -Wenum-clash, -Wtemplate-debugging): Undocument.
356 2000-04-10 Nick Clifton <nickc@cygnus.com>
358 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
360 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
362 (ARM_SIGN_EXTEND): Use HOST_UINT.
363 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
364 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
365 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
366 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
368 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
369 (arm_gen_constant): Use HOST_UINT.
370 (arm_canonicalize_constant): Use HOST_UINT.
371 (arm_reload_in_hi): Use HOST_UINT.
372 (arm_reload_out_hi): Use HOST_UINT.
373 (output_multi_immediate): Use HOST_UINT.
374 (int_log2): Use HOST_UINT.
375 (arm_poke_function_name): Use HOST_UINT.
376 (arm_output_epilogue): Use arm_volatile_func().
377 (output_thumb_prologue): Use arm_strip_name_encoding().
379 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
381 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
382 of sequence point problems.
384 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
386 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
388 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
390 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
392 * sbitmap.h: Whitespace changes and use upper-case macro args.
393 (struct simple_bitmap_def): All sizes now unsigned.
394 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
395 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
396 (sbitmap_vector_alloc): Parms and local vars now unsigned.
397 (sbitmap_zero): Cast bzero arg to PTR.
398 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
399 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
400 loop to make structure clearer.
401 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
402 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
403 (sbitmap_a_and_b_or_c): Likewise.
404 (sbitmap_intersection_of_succs): Minor cleanups.
405 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
406 (sbitmap_union_of_preds): Likewise.
407 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
408 (debug_sbitmap): New function.
410 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
411 * c-typeck.c (convert_for_assignment): Likewise.
413 * expmed.c (init_expmed): Don't free objects we make.
414 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
416 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
417 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
419 * gcse.c (expr_hash_table_size): Now unsigned.
420 (compute_ae_gen): Local variable `i' now unsigned.
421 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
422 (compute_transout, hoist_code): Likewise.
423 (compute_local_properties): Likewise, also hash_table_size.
424 (alloc_expr_hash_table): N_INSNS now unsigned.
425 (delete_null_pointer_checks): Mark arg F as unused.
427 * regrename.c: Minor cleanups, including chang some variables
430 2000-04-10 Neil Booth <NeilB@earthling.net>
432 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
434 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
436 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
438 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
439 __classof__, and __headof__ from the list of gnu keywords.
440 (-ansi): Remove -foperator-names from list of implied options.
441 Do not call it ANSI C++.
442 (-foperator-names): Document as -fno-operator-names.
444 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
446 * cpphash.c (timestamp): Delete.
447 (del_HASHNODE): If type is T_MCONST, free value.cpval.
448 (special_symbol): Remove unnecessary braces. Remove
449 T_VERSION. Treat T_STDC like T_CONST unless
450 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
451 when one is encountered, then convert them into T_MCONST
453 * cppinit.c (builtin_array): version_string is T_MCONST.
454 __STDC__ has a "1" in its cpval. Don't have a terminator
455 entry. Clean up which entries are dumped.
456 (initialize_builtins): Only __STDC__ gets the special
457 -traditional treatment. Count the length of builtin_array.
458 Render version_string here.
459 * cpphash.h: Remove T_VERSION. Add T_MCONST.
460 * cpplib.h (struct cpp_reader): Remove timebuf.
462 2000-04-09 Richard Henderson <rth@cygnus.com>
464 * genrecog.c (pred): Update comparison_operator for the unordered
467 * config/i386/i386.c (no_comparison_operator): Disallow unordered
469 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
470 (uno_comparison_operator): New.
471 (put_condition_code): Handle UNORDERED/ORDERED.
472 (unsigned_comparison): Likewise.
473 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
474 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
475 (ix86_expand_fp_compare): Use them. Take scratch as argument,
476 update all callers. Handle all 8 unordered operators.
477 (ix86_expand_setcc): Lose the unordered argument, update all callers.
478 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
479 * config/i386/i386.h (PREDICATE_CODES): Update.
480 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
481 (ix86_expand_branch, ix86_expand_setcc): Update.
482 * config/i386/i386.md (sunordered, sordered): New.
483 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
484 (bunordered, bordered): New.
485 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
486 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
487 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
489 2000-04-09 Philip Blundell <philb@gnu.org>
491 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
493 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
495 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
496 fix_truncxfhi2): New patterns.
497 * i386.c (output_fix_trunc): Handle converting to HImode.
499 2000-04-08 Alex Samuel <samuel@codesourcery.com>
501 * ssa.c (convert_to_ssa): Eliminate dead code when calling
503 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
504 (for_each_successor_phi): Change parameter to basic_block.
505 (coalesce_regs_in_successor_phi_nodes): Likewise.
506 (coalesce_regs_in_copies): Likewise.
507 (compute_coalesced_reg_partition): Use basic_block instead of index.
508 * rtl.h (convert_to_ssa): Delete.
509 (convert_from_ssa): Likewise.
510 (successor_phi_fn): Likewise.
511 (for_each_successor_phi): Likewise.
512 (in_ssa_form): Likewise.
513 * basic-block.h (convert_to_ssa): Moved from rtl.h.
514 (convert_from_ssa): Likewise.
515 (successor_phi_fn): Likewise.
516 (in_ssa_form): Likewise.
517 (for_each_successor_phi): Likewise. Change parameter to basic_block.
518 * flow.c (calculate_global_regs_live): Pass a basic_block to
519 for_each_successor_phi.
521 2000-04-08 Richard Henderson <rth@cygnus.com>
523 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
524 was modified in the current insn.
526 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
528 * arm/thumb.md: Delete.
529 * arm/thumb-protos.h: Delete.
531 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
533 Merge changes from merged-arm-thumb-backend-branch onto trunk.
535 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
537 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
540 * arm.md (nop): Use the standard RTL expression. Don't code as a
542 (*arm_nop, *thumb_nop): Delete.
544 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
545 constants. Use casts instead.
546 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
547 output_multi_immediate, arm_poke_function_name): Likewise.
548 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
549 MASK_RETURN_ADDDR): Likewise.
551 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
553 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
556 * arm.md (eh_epilogue): New function.
557 * arm.h (struct machine_function): Move to here ...
558 * arm.c: ... from here.
559 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
560 (thumb_exit): Extra parameter eh_ofs. All callers changed.
561 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
563 2000-03-30 Nick Clifton <nickc@cygnus.com>
565 * config/arm/semi.h (ASM_SPEC): Restore definition.
566 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
568 * config/arm/elf.h (ASM_SPEC): Restore definition.
569 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
571 * config/arm/arm.h (ASM_SPEC): Remove definition.
572 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
574 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
576 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
578 2000-03-24 Nick Clifton <nickc@cygnus.com>
580 Various formating tidyups, elimination of compile time
581 warnings and synchronisation with internal sources:
583 * config/arm/arm-protos.h (assemble_align): Add prototype.
584 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
585 (gen_comapre_reg): Rename to arm_gen_compare_reg.
586 (arm_return_addr_rtx): Rename to arm_return_addr.
588 * config/arm/arm.c: Include except.h.
589 Define shorter typenames for strict minipool_node and struct
591 (arm_return_in_memory): For WinCE return all structures <= 32 bits
593 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
594 (gen_comapre_reg): Rename to arm_gen_compare_reg.
596 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
598 (ASM_SPEC): Define if not already defined.
599 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
601 * config/arm/arm.md: Rename references to gen_rotated_half_load to
602 arm_gen_rotated_half_load, and references to gen_comapre_reg to
604 (indirect_jump): Only accept register operands.
605 (load_indirect_jump): Keep this pattern since combine can generate
608 * config/arm/coff.h: Include aout.h.
609 (MULTILIB_DEFAULTS): Only define if not already defined.
611 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
612 into arm.h (so that COFF ports can support thumb based aliases).
613 (ASM_SPEC): Move definition into arm.h
615 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
617 (ASM_SPEC): Move definition to arm.h
619 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
621 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
622 for entries in the .bss section
624 2000-03-23 Nick Clifton <nickc@cygnus.com>
626 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
627 to thumb_far_jump_used_p.
629 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
630 single integer parameter.
632 * config/arm/arm.c (struct machine_function): Add two new
633 fields, 'far_jump_used' and 'arg_pointer_live'.
634 (thumb_far_jump_used_p): Once the decision has been made that
635 far jumps might be used, always return true.
636 If being called from the initial elimination offset macro then
637 do not bother to perform the test if the arg pointer is not
639 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
640 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
642 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
644 * arm.c (output_return_instruction): Handle more cases where we can
645 return from a function with an ldr instruction.
646 (arm_output_epilogue): Likewise.
648 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
649 if we need to push a large stack frame and there are no callee-saved
652 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
653 in ARM code if the frame pointer has been eliminated.
655 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
656 unspec_volatile arguments to avoid duplicates.
657 (consttable_1, consttable_2): Fixes for big-endian mode.
659 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
662 Re-write constant pool code.
663 * arm.c (minipool_node, minipool_fix): New types.
664 (minifix): Delete type.
665 (arm_add_minipool_constant): Delete.
666 (arm_compute_minipool_offsets, arm_find_barrier,
667 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
668 (get_jump_table_size): Now returns HOST_WIDE_INT.
669 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
671 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
672 (assign_minipool_offsets, arm_print_value): Likewise.
673 (dump_minipool): Rewrite.
674 (arm_barrier_cost): New function.
675 (create_fix_barrier): New function.
676 (push_minipool_barrier): New function.
677 (push_minipool_fix): Record additional information about the fixup
679 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
680 check the mode of what needs fixing.
681 (arm_reorg): Rewrite.
683 2000-03-08 Nick Clifton <nickc@cygnus.com>
685 * config/arm/arm.md (indirect_jump): Force constant addresses into
688 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
690 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
692 2000-02-24 Nick Clifton <nickc@cygnus.com>
694 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
695 adjust is word aligned.
696 (thumb_expand_epilogue): Make sure that stack adjust is word
699 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
701 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
703 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
704 pointer relative addresses.
706 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
708 * arm.c (find_barrier): Find the last barrier within the allowed
711 2000-02-09 Nick Clifton <nickc@cygnus.com>
713 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
715 2000-02-09 Nick Clifton <nickc@cygnus.com>
717 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
718 ARM_FUNCTION_PROFILER.
720 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
721 ARM_FUNCTION_PROFILER.
723 * config/arm/linux-oldld.h: Imported from mainline sources.
725 2000-02-07 Nick Clifton <nickc@cygnus.com>
727 * config/arm/lib1funcs.asm: Merge in thumb functions from
730 * config/arm/lib1thumb.asm: Delete.
732 2000-02-04 Nick Clifton <nickc@cygnus.com>
734 * config/arm/arm.c: Sychronised with current Red hat local
736 * config/arm/arm.h: Ditto.
737 * config/arm/arm-protos.h: Ditto.
739 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
741 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
743 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
746 2000-02-02 Nick Clifton <nickc@cygnus.com>
748 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
750 * config/arm/arm.md (epilogue): Fix rtl checking abort because
751 (return) was emited using an emit_insn() call.
753 2000-01-31 Nick Clifton <nickc@cygnus.com>
755 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
757 (thumb_exit): Move frame pointer back into hard frame pointer
758 register if backtracing is being used.
760 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
762 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
765 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
767 * config/arm/arm.md (neg_pool_offset): Provide default for new
769 (arm_movsi_insn): Add neg_pool_offset attribute.
770 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
771 rtx for the insn that starts the scan and an unsigned long for its
772 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
773 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
774 instructions in *PINSERTED.
775 (struct minipool_fixup): Add MIN_ADDRESS elt.
776 (sort_fixups): Compute it.
777 (arm_reorg): Changes to support inserting pools before the insn to be
780 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
782 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
783 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
784 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
786 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
788 * config/arm/semi.h (TARGET_VERSION): Do not define if already
790 (TARGET_DEFAULT): Do not define if already defined.
792 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
794 * config/arm/arm.md (anddi3): Allow disjoint source operands.
795 (iordi3): Allow disjoint source operands.
796 (xordi3): Allow disjoint source operands.
797 (negdi2): Permit construction for ARM and Thumb.
798 (arm_negdi2): Renamed version of old negdi2 pattern.
799 (thumb_negdi2): New pattern: Only permit non-overlapping
800 source and destination.
802 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
804 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
805 scratch low register so that it will not be deleted.
807 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
809 * config/arm/pe.h (ARM_PE): Define.
811 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
812 interfacearm attribute if this is a PE toolchain.
813 (output_return_instruction): Do not emit anything if the function
814 has the naked attribute set.
815 (is_called_in_ARM_mode): If the function has the interfacearm
816 attribute then return true.
817 (thumb_expand_prologue): Do not generate a prologue for naked
819 (thumb_expand_epilogue): Do not generate an epilogie for a naked
821 (output_thumb_prologue): Do not bother if the function is naked.
822 Strip PE encoding from function name before emitting.
824 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
826 * arm.md (pic_load_addr): Fix constraints.
828 * arm.md (casesi_insn): Fix mis-applied patch.
830 * arm.md ("core" function unit): Add rules for single- and
832 (All TARGET_THUMB patterns): Add "type" attribute information
834 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
835 the following insn is a CALL.
837 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
839 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
840 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
841 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
843 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
845 * config/arm/linux-gas.h: oops - this file was missed out when the
846 branch was created...
848 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
850 * thumb.c: Deleted. Move contents to ...
852 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
854 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
857 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
858 declare a prototype for asm_output_align();
860 * arm.c (thumb_condition_code): Delete.
861 (arm_print_operand): Always use arm_condition_code array.
863 * arm.c (thumb_return_addr_rtx): Delete.
864 (arm_save_machine_status, arm_restore_machine_status): Delete.
865 (arm_init_machine_status, arm_mark_machine_status): New functions.
866 (arm_init_expanders): Update accordingly.
867 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
868 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
869 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
871 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
873 * configure.in : Fix arm-*-aout target to use new t-arm-aout
875 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
878 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
880 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
881 stack backtrace structure.
883 * config/arm/arm-protos.h: Add prototypes for functions defined in
886 * config/arm/arm.c (arm_override_options): Fix selection of
887 attributes of default processor.
889 * config/arm/coff.h: Delete needless #include.
891 * config/arm/pe.c: Delete unused code.
893 * config/arm/pe.h (CPP_DEFINES): Delete
894 (SUBTARGET_CPP_SPEC): Define.
895 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
897 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
899 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
901 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
903 (CAN_DEBUG_WITHOUT_FP): Define.
904 (FIXED_REGISTERS): Make r11 call-saved.
905 (CALL_USED_REGISTERS): Likewise.
906 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
907 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
908 frame-pointer is required.
909 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
910 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
911 if the target normally needs a stack frame in non-leaf functions.
912 (use_return_insn): Correct logic for determining when a return
913 instruction can be used.
914 (output_return_instruction): Handle the frame-pointer register as
915 a normal register when not TARGET_APCS_FRAME.
916 (arm_output_prologue): Likewise.
917 (arm_output_epilogue): Likewise.
918 (output_func_epilogue): Likewise.
919 (arm_expand_prologue): Likewise.
920 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
922 * arm.c (use_return_insn): No need to check floating point regs if
924 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
925 the code of value stored in the minipool array.
926 (arm_add_minipool_constant): Likewise.
928 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
930 * basic-block.h (conflict_graph_enum_fn): K&R fix.
932 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * tree.c (tree_expr_nonnegative_p): New function.
936 * tree.h (tree_expr_nonnegative_p): Declare.
938 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
939 elide some sign_compare warnings.
940 (build_conditional_expr): Likewise.
942 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
944 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
946 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
947 * i386.c (print_operand): Use the proper suffix for a 387 HImode
948 operand. Abort if a 387 operand has an unsupported size.
950 2000-04-08 Neil Booth <NeilB@earthling.net>
952 * cppexp.c (parse_charconst): Null does not end character
954 * cppinit.c (ISTABLE): Null character handled as whitespace.
955 * cpplex.c (null_warning): new function.
956 (skip_string): Emit warning if nulls encountered.
957 (_cpp_skip_hspace): Emit warning if nulls encountered.
958 (_cpp_lex_token): Emit warning if nulls encountered. Drop
962 2000-04-07 Richard Henderson <rth@cygnus.com>
964 * flow.c (loop_depth): Remove.
965 (reg_next_use, cc0_live, mem_set_list): Replace with ...
966 (struct propagate_block_info): New.
967 (life_analysis): Don't allocate reg_next_use.
968 (propagate_block_delete_insn): Break out of propagate_block.
969 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
970 (propagate_block_delete_libcall): Likewise.
971 (propagate_block): Create a propagate_block_info struct to pass
972 to subroutines. Allocate one not two temporary regsets. Don't
973 clobber memory for const calls. Look for clobbers in
974 CALL_INSN_FUNCTION_USAGE.
975 (mark_set_regs): Recognize COND_EXEC.
976 (mark_set_reg): Break out of mark_set_1.
977 (mark_used_reg): Break out of mark_used_regs.
978 (mark_used_regs): Recognize COND_EXEC.
979 (insn_dead_p): Use propagate_block_info struct.
980 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
981 (find_auto_inc, try_pre_increment_1): Likewise.
982 (print_rtl_with_bb): Dump regs live at end too.
983 (count_reg_sets_1): Pass in loop_depth.
984 (count_reg_sets, count_reg_references): Likewise.
985 (recompute_reg_usage): Provide it.
987 2000-04-07 Richard Henderson <rth@cygnus.com>
989 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
992 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
994 * cpplib.c (do_elif): Skip the rest of the line if we're
995 not going to bother evaluating it.
996 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
997 to avoid pointless calls to the lexer.
999 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
1001 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
1003 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
1005 * calls.c (expand_call): emit_queue if we're trying a sibcall.
1007 2000-04-07 Jakub Jelinek <jakub@redhat.com>
1009 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
1011 2000-04-06 Geoff Keating <geoffk@cygnus.com>
1013 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
1014 crtend so they can be multilibbed.
1015 (STAGESTUFF): Remove s-crt and s-crtS.
1017 2000-04-07 Richard Henderson <rth@cygnus.com>
1019 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
1020 if we discover we need a pseudo and no_new_pseudos is true.
1021 * config/alpha/alpha.md (ne:DI insn): New.
1022 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
1024 2000-04-07 Richard Henderson <rth@cygnus.com>
1026 * rtl.def (COND_EXEC): New.
1027 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
1028 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
1030 * genconfig.c (have_cond_arith_flag): Remove.
1031 (have_cond_exec_flag): New.
1032 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
1033 (main): Print HAVE_conditional_execution.
1035 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
1036 (sched_analyze_insn, print_pattern): Likewise.
1037 * reload.c (find_equiv_reg): Likewise.
1038 * rtlanal.c (reg_referenced_p): Likewise.
1039 (note_stores, dead_or_set_regno_p): Likewise.
1040 (reg_overlap_mentioned_p): Rewrite to use a switch.
1042 * ggc.h (struct rtx_def): Forward declare.
1044 * print-rtl.c (debug_rtx_range): New.
1045 * rtl.h (debug_rtx_range): Declare.
1047 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
1049 * gcse.c (gcse_main): Don't rebuild the CFG here.
1050 (delete_null_pointer_checks): Likewise.
1051 * ssa.c (convert_to_ssa): Likewise.
1052 * toplev.c (rest_of_compilation): Do it here instead. Combine
1053 sequential calls to TIMEVAR. Consistently use `insns' instead of
1054 `get_insns()'. Always split insns after reload when optimizing.
1056 * basic-block.h (merge_blocks_nomove): Declare.
1057 (tidy_fallthru_edge): Declare.
1058 * flow.c (merge_blocks_nomove): Document as merging into previous
1059 blocks. Remove cruft from between blocks; remove all edges out of A.
1060 (tidy_fallthru_edge): Export.
1062 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1064 * ssa.c (compute_conservative_reg_partition): Declare with
1066 * toplev.c (clean_dump_file): Remove previously-deleted function
1067 inadvertantly merged back in.
1068 * conflict.c (conflict_graph_add): Use a single call to
1069 htab_find_slot to look up and insert.
1071 2000-04-06 Richard Henderson <rth@cygnus.com>
1073 * genrecog.c (*): Rename _last_insn to last_insn.
1074 (make_insn_sequence): Set the position of the peephole2 C test
1075 to be at the last insn.
1077 2000-04-06 Richard Henderson <rth@cygnus.com>
1079 * flow.c (compute_flow_dominators): Free worklist.
1081 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
1083 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
1085 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1087 * rtl.h (INSN_P): New macro.
1088 (successor_phi_fn): New typedef.
1089 (for_each_successor_phi): New prototype.
1090 (in_ssa_form): New variable.
1091 (PHI_NODE_P): Likewise.
1092 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
1093 phi nodes in successors.
1094 (mark_used_regs): Add PHI case.
1095 (set_phi_alternative_reg): New function.
1096 (life_analysis): Assert that dead code elimination is not selected
1098 * toplev.c (to_ssa_time): New variable.
1099 (from_ssa_time): Likewise.
1100 (compile_file): Zero to_ssa_time and from_ssa_time.
1101 Print time to convert to and from SSA.
1102 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
1103 (print_time): Compute percent fraction as integer.
1104 * ssa.c (PHI_NODE_P): Moved to rtl.h.
1105 (convert_to_ssa): Check if we're already in SSA.
1106 Don't eliminate dead code in life_analysis.
1107 Rerun flow and life analysis at bottom.
1108 (eliminate_phi): Use canonical regnos when adding nodes.
1109 (mark_reg_in_phi): New function.
1110 (mark_phi_and_copy_regs): Likewise.
1111 (convert_from_ssa): Rerun life analysis at top.
1112 Use coalesced partition.
1113 Check for removing a phi node at the end of the block.
1114 (compute_coalesced_reg_partition): New function.
1115 (coalesce_regs_in_copies): Likewise.
1116 (coalesce_reg_in_phi): Likewise.
1117 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
1118 (for_each_successor_phi): Likewise.
1119 (rename_context): New struct.
1120 (rename_block): Use a rename_context with rename_insn_1. When
1121 renaming sets of a subreg, emit a copy of the entire reg first.
1122 (rename_insn_1): Treat data as a rename_context *. Save current
1124 (rename_set_data): Add field set_insn.
1125 * Makefile.in (HASHTAB_H): Move up in file.
1126 (OBSTACK_H): New macro.
1127 (collect2.o): Use OBSTACK_H in dependencies.
1128 (sdbout.o): Likewise.
1129 (emit-rtl.o): Likewise.
1130 (simplify-rtx.o): Likewise.
1131 (fix-header.o): Likewise.
1132 (OBJS): Add conflict.o.
1133 (conflict.o): New rule.
1134 * basic-block.h: Include partition.h.
1135 (conflict_graph): New typedef.
1136 (conflict_graph_enum_fn): Likewise.
1137 (conflict_graph_new): New prototype.
1138 (conflict_graph_delete): Likewise.
1139 (conflict_graph_add): Likewise.
1140 (conflict_graph_conflict_p): Likewise.
1141 (conflict_graph_enum): Likewise.
1142 (conflict_graph_merge_regs): Likewise.
1143 (conflict_graph_print): Likewise.
1144 (conflict_graph_compute): Likewise.
1145 * conflict.c: New file.
1147 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1149 * tlink.c (read_repo_files): Don't look for .rpo info for
1152 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1154 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1156 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1158 * config/sh/lib1funcs.asm (___udivsi3_i4):
1159 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1160 only depends on FMOVD_WORKS.
1162 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1164 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1165 make double constant 8-byte aligned.
1167 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1169 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1170 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1171 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1172 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1173 Accept storing GENERAL_REGS into offsetable memory.
1174 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1175 building a TFmode constant other than 0.0L into GENERAL_REGS.
1177 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1179 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1181 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1183 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1184 (macro_cleanup): No need to cast pbuf->macro.
1185 (collect_expansion): Use _cpp_get_define_token. Goto done if
1186 it returns VSPACE. Remove check for trailing space after
1188 (_cpp_create_definition): Don't diddle flags here. Return
1190 (unsafe_chars): Handle c1 being EOF.
1191 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1192 checks. Don't push the buffer till after we're done with
1194 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1195 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1196 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1198 (_cpp_parse_assertion): Don't NUL terminate.
1199 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1200 hspace before calling _cpp_parse_assertion. Remove all sets
1201 of only_seen_white. Treat '\f' as hspace. Don't do anything
1202 special with '\n' here.
1203 (maybe_macroexpand): Handle T_EMPTY hash entries without
1204 pushing a buffer at all.
1205 (cpp_get_token): Handle clearing only_seen_white here. Handle
1206 incrementing the line number here. Clear
1207 potential_control_macro as well as only_seen_white, if
1209 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1210 (_cpp_get_define_token): New function, basically like
1211 _cpp_get_directive_token was but doesn't eat horizontal space.
1212 Don't do anything with only_seen_white here.
1213 (_cpp_get_directive_token): Just call _cpp_get_define_token
1214 repeatedly till it returns non-hspace.
1216 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1217 (conditional_skip, skip_if_group): Return int.
1218 (DIRECTIVE_TABLE): Change origin of all conditional directives
1220 (TRAD_DIRECT_P): New macro.
1221 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1222 an error for a bogus directive, unless -lang-asm. Use
1223 TRAD_DIRECT_P. Loop calling handler functions till one returns
1225 (get_macro_name): Don't diddle flags here.
1226 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1227 Create T_EMPTY nodes for #define macro /* nothing */.
1228 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1229 Use hp->name when calling pass_thru_directive.
1230 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1231 Return the result of conditional_skip and/or skip_if_group.
1232 Don't call _cpp_output_line_command.
1233 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1234 Issue -Wtraditional warnings as appropriate. Don't complain
1235 about unrecognized directives. If we are to stop skipping,
1236 return the number of the directive that ended the skip.
1237 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1238 expansion and line commands while skipping. Return the result
1239 of consider_directive_while_skipping, if nonzero.
1240 (do_endif): Just set potential_control_macro here.
1241 (validate_else): Use _cpp_get_directive_token.
1242 (do_assert, do_unassert): Don't save pointers into the
1243 token_buffer across calls to the lexer. Use
1244 _cpp_get_directive_token.
1246 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1247 pointer, not an offset. Replace 'data', which was a generic
1248 pointer, with 'macro', which points to a struct hashnode.
1249 (cpp_reader): Add 'potential_control_macro' pointer.
1250 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1251 (CPP_BUF_GET, CPP_FORWARD): Delete.
1252 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1253 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1254 ACTIVE_MARK_P): Update.
1255 (_cpp_get_define_token): New internal function.
1256 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1258 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1260 * configure.in: And here.
1261 * configure: Regenerate.
1262 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1263 --enable-libstdcxx-v3 is passed at configure time.
1264 * config.h.in: Regenerate.
1266 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1268 * final.c (final): Use xcalloc to allocate line_note_exists.
1269 * function.c (free_after_compilation): Free the temp_slots.
1270 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1271 (combine_temp_slot): Free temp_slots when they get combined.
1272 (purge_addressof): Fix typo in comment.
1273 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1274 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1276 * ggc.h: Include varray.h.
1277 (ggc_pending_trees): Declare.
1278 (ggc_mark_tree_children): Remove declaration.
1279 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1280 * ggc-common.c (ggc_pending_trees): New variable.
1281 (ggc_mark_roots): Call ggc_mark_trees.
1282 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1283 the ggc_pending_trees.
1284 * Makefile.in (GGC_H): New variable. Use it throughout in place
1287 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1289 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1292 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1294 * sh.c (sh_insn_length_adjustment): New function.
1295 * sh-protos.h (sh_insn_length_adjustment): Declare.
1296 * sh.h (ADJUST_INSN_LENGTH): Use it.
1298 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1300 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1301 from the insn where REG_RETVAL is added.
1302 (emit_no_conflict_block): Ditto.
1304 * md.texi (Standard Names): Clarify when movX is needed.
1306 * combine.c (simplify_comparison) [MINUS]: Do not replace
1307 all (op (minus A B) 0) with (op A B).
1309 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1310 J"orn Rennecke <amylaar@cygnus.co.uk>
1312 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1313 (block_lump_real): Likewise.
1315 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1317 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1318 remaining non-zero debugging masks.
1320 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1322 * basic-block.h (verify_flow_info): Declare.
1323 (flow_loop_outside_edge_p): Declare.
1324 * flow.c (verify_flow_info): Remove declaration.
1325 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1327 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1329 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1332 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1334 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1335 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1336 seqdi_zero_trunc+1): Allow splits only if registers are
1339 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1341 * acconfig.h: Add HAVE_GAS_HIDDEN.
1342 * config.in: Regenerated.
1343 * configure.in: Add test for .hidden pseudo-op in gas.
1344 * configure: Regenerated.
1345 * crtstuff.c: Include auto-host.h.
1346 Emit additional .hidden pseudo-op for __dso_handle if the
1347 assembler knows about it.
1349 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1351 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1352 before freeing argnames.
1353 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1355 2000-04-05 Michael Meissner <meissner@redhat.com>
1357 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1358 Walton <jonboy@gordian.com> to make memory references with update
1359 work wtih -mregnames.
1361 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1364 (regrename_optimize): Rename variables `def_uses' and
1365 `ext_basic_blocks' to avoid conflicts with similarly named
1366 typedefs in traditional C.
1368 * calls.c (initialize_argument_information): Fix typo in previous
1371 2000-04-04 Richard Henderson <rth@cygnus.com>
1373 * regrename.c (consider_available): Test fixed_regs not
1374 PIC_OFFSET_TABLE_REGNUM.
1376 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1378 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1380 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1381 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1382 (ENDFILE_LINUX_SPEC): Always use crtend.
1383 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1384 (powerpc-*-linux-gnu): Likewise.
1385 * configure: Regenerate.
1387 * config/rs6000/eabi.h: Don't include sysv4.h.
1388 (MULTILIB_DEFAULTS): Don't define.
1389 * config/rs6000/eabiaix.h: Don't include eabi.h.
1390 * config/rs6000/eabile.h: Delete.
1391 * config/rs6000/eabilesim.h: Delete.
1392 * config/rs6000/eabisim.h: Don't include eabi.h.
1393 * config/rs6000/linux.h: Don't include sysv4.h.
1394 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1395 (MULTILIB_DEFAULTS): Don't redefine.
1396 * config/rs6000/rtems.h: Don't include eabi.h.
1397 * config/rs6000/sol2.h: Don't include sysv4le.h.
1398 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1399 * config/rs6000/t-ppc: Delete.
1400 * config/rs6000/t-ppcgas: Correct comment.
1401 * config/rs6000/t-ppcos: Correct comment. Don't build
1402 multilibs for -fPIC, rather use -fPIC -mstrict-align
1404 * config/rs6000/t-ppc: Delete.
1405 * config/rs6000/vxppc.h: Don't include sysv4.h.
1406 * config/rs6000/vxppcle.h: Delete.
1407 * configure.in: Use multiple header files for p2pc ELF targets
1408 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1409 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1410 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1411 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1412 always available for these platforms.
1414 2000-04-04 Richard Henderson <rth@cygnus.com>
1416 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1418 2000-04-04 Stan Cox <scox@cygnus.com>
1420 * Makefile.in: Add rules for regrename.o
1421 * regrename.c: New file.
1422 * rtl.h (regrename_optimize): Add prototype.
1423 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1424 (compile_file, decode_d_option): Add support for -frename-registers.
1425 (rest_of_compilation): Call regrename_optimize.
1426 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1429 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1431 * Makefile (gccbug): New target.
1432 (doc): Depend on it.
1433 * gcc.texi (Bugs): Link subnodes.
1435 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1436 Document severities, priorities, and classes in bug form.
1438 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1440 * cpplex.c (trigraph_map, speccase): Combine into single
1442 (NORMAL, NONTRI): New macros.
1443 (_cpp_read_and_prescan): Change to use unified table. Use
1444 is_hspace to test for whitespace.
1446 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1447 definition that doesn't provoke the "empty body in an
1448 if-statement" warning.
1450 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1452 * builtins.c (expand_builtin_strlen): Force the source to
1453 be a memory address.
1455 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1457 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1459 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1461 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1462 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1463 (ECF_IS_CONST): Rename to ECF_CONST.
1464 (special_function_p): Make static, change interface.
1465 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1466 (expand_call) ... here; convert number of variables to flags.
1467 (emit_library_call_vlue_1): Likewise.
1468 (setjmp_call_p): New function.
1469 (initialize_argument_information): Accepts flags as argument;
1471 (precompute_arguments): Likewise.
1472 * tree.h (special_function_p): Remove.
1473 (setjmp_call_p): Add prototype.
1475 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1477 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1478 so that addresses are offsetable by up to 16 bytes.
1479 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1480 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1483 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1484 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1485 (movsf): Don't force any constant to memory if target is integer
1487 Move fp_zero_operand check below the const0_rtx check.
1488 (movtf): Likewise. Also allow fp_zero_operand for stores into
1490 (movdf): Likewise. Also allow fp_zero_operand for stores into
1491 memory and into integer hard registers.
1492 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1493 movdf_const_intreg_sp64): Remove.
1494 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1496 (movdf_no_e_insn_v9_sp32): New pattern.
1497 (movdf_insn_v9only): Remove.
1498 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1499 (movdf_insn_sp64): Remove.
1500 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1501 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1502 (following splits): Rewrite conditions. Add two new splits
1503 for storing 0.0 into memory and registers.
1504 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1505 (movtf_insn_sp32): Redo constraints and conditions.
1506 (movtf_insn_vis_sp32): New pattern.
1507 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1508 (movtf_insn_hq_sp64): Likewise.
1509 (movtf_insn_hq_vis_sp64): New pattern.
1510 (movtf_insn_sp64): Redo constraints and conditions.
1511 (movtf_insn_vis_sp64): New pattern.
1512 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1513 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1515 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1516 -mvis or -m64 to take down the number of various reload patterns.
1518 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1520 * pa/pa-64.h: New file.
1521 * pa/pa64-regs.h: New file.
1522 * pa/pa64-start.h: New file.
1523 * pa/t-pa64: New file.
1524 * pa/xm-pa64hpux.h: New file.
1526 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1528 * sparc.c (output_restore_regs): Prototype.
1529 (sparc_emit_float_lib_cmp): Constification.
1531 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1533 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1536 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1537 (get_value_hash, hash_rtx): Likewise.
1539 * ssa.c (compute_conservative_reg_partition): Prototype.
1541 * tree.c (mark_hash_entry): Prototype.
1543 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1545 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1546 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1547 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1549 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1550 * objc/lang-specs.h: Likewise.
1552 2000-04-03 Neil Booth <NeilB@earthling.net>
1554 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1555 and SYNTAX_ERROR2. Replace `' in messages with ''.
1556 (op_to_str): Make re-entrant.
1557 (_cpp_parse_expr): Implement new error macros. Use | rather
1558 than || to logically or 2 boolean integers. Simply expression
1559 checking we have a left operand iff needed.
1561 2000-04-03 Nick Clifton <nickc@cygnus.com>
1563 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1565 2000-04-03 Philip Blundell <philb@gnu.org>
1567 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1569 2000-04-03 Felix Lee <flee@cygnus.com>
1571 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1572 (run_shell): Use it.
1574 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1576 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1577 (stmp-fixproto): ...rather than here.
1579 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1581 * pa.c (print_operand): Compute 'base' only inside the code paths
1584 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1586 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1589 2000-04-03 Philipp Thomas <pthomas@suse.de>
1591 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1593 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1595 * Makefile.in (alias.o): Depend on $(TREE_H).
1597 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1599 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1601 * cpplib.c (_cpp_handle_directive): Improve warnings for
1602 traditional C and indented directives.
1604 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1605 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1606 fixinc/inclhack.def: Indent the # of #include_next one space.
1607 * cp/rtti.c: Un-indent #if and #endif.
1609 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1610 syntax error, but an error has already been printed.
1611 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1612 message when called with nothing remaining on the line.
1613 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1614 OTHER token, not an ASSERTION.
1615 * cpplib.c (do_assert): When we create a 'base' node, clear
1616 its aschain pointer.
1618 2000-04-02 Neil Booth <NeilB@earthling.net>
1620 * cppexp.c: New typedef op_t. struct operation and struct
1621 token updated to use it.
1622 (op_to_str): New function.
1623 (_cpp_parse_expr): Error messages modified to use op_to_str.
1625 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1627 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1628 before checking MUST_PASS_IN_STACK.
1630 2000-04-02 Neil Booth <NeilB@earthling.net>
1632 * cppexp.c: New FINISHED dummy token. Combine operator initial
1633 flags and initial priority into a single constant. New
1634 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1635 (_parse_cpp_expr): Implement new constants. Take left operand
1636 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1637 parse indicated by reducing FINISHED token. Remove new lines
1638 from cpp_error messages.
1640 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1642 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1645 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1647 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1648 directive. Add origin values to DIRECTIVE_TABLE. Generate
1649 the strings and function names on the fly. Take the #sccs
1650 entry out of the table if SCCS_DIRECTIVE is not defined.
1651 (_cpp_handle_directive): Decide if the # was at the beginning
1652 of the line here. Issue -pedantic warnings for extended
1653 directives here. Warn about K+R directives with the #
1654 indented, and C89/extended directives with the # not indented,
1656 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1657 do_assert, do_unassert): Don't issue pedantic warning here.
1659 * cpphash.h: Add CPP_WTRADITIONAL macro.
1660 * cpplib.h (struct cpp_options): Rename warn_stringify to
1661 warn_traditional; update comments.
1662 * cppinit.c (handle_option): Set warn_traditional not
1664 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1665 CPP_WTRADITIONAL (pfile).
1666 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1667 be ignored in -traditional mode here.
1669 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1670 to initialize speccase[] and trigraph_map[]. Delete all
1671 references to pfile->input_speccase. Always treat '?' as a
1672 special character. Remove table-initialization code from
1673 _cpp_init_input_buffer.
1675 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1676 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1678 2000-04-01 Richard Henderson <rth@cygnus.com>
1680 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1681 (mostlyclean): Likewise.
1683 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1684 (struct dump_file_info, enum dump_file_index, dump_file): New.
1685 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1686 not a string. Clean out file if we havn't yet done so. Do nothing
1687 if the dump isn't enabled.
1688 (close_dump_file): Do nothing if the dump isn't open. Dump
1689 graph data if requested.
1690 (dump_rtl, clean_dump_file): Remove.
1691 (compile_file): Don't clean the dump files. Only finalize .bp dump
1692 if flag_test_coverage or flag_branch_probabilities. Only finalize
1693 .combine dump if optimizing. Iterate over dump_file to finalize the
1695 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1696 Convert all uses of dump_rtl.
1697 (decode_d_option): Iterate over dump_file to implement 'a' and to
1698 locate pass-specific dumps.
1700 2000-04-01 Neil Booth <NeilB@earthling.net>
1702 * cppexp.c: Redefine priority constants.
1703 (_cpp_parse_expr): Replace left and right priority scheme with
1704 single priority logic. Move LOGICAL to same place as COMPARE.
1705 Remove bogus check for multiple unary +/- operators.
1707 2000-04-01 Neil Booth <NeilB@earthling.net>
1709 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1710 within the switch statement. Binary operations break out of
1711 the switch naturally. '(' tokens handled by forcing
1712 immediate shift. ')' handled by forcing immediate reduce to
1713 the previous '('. New error messages.
1715 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1717 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1718 part', it's already in use. Use %K instead. Add a return at the
1719 end of what is now %K.
1720 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1722 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1724 * builtins.c (expand_builtin_apply): Pass proper parameters to
1725 allocate_dynamic_stack_space.
1726 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1727 update stack_pointer_delta; do not update arg_size_so_far.
1728 (compute_argument_block_size): Use stack_delta instead of
1729 stack_pointer_pending and arg_size_so_far.
1730 (expand_call): Add sanity checking for stack_pointer_delta;
1731 save and restore stack_pointer_delta for SIB, use
1732 stack_pointer_delta for alignment; do not update arg_space_so_far.
1733 (emit_library_call_value): Use stack_pointer_delta for alignment.
1734 (store_one_arg): Do not update arg_space_so_far.
1735 * explow.c (adjust_stack, anti_adjust_stack): Update
1736 stack_pointer_delta.
1737 (allocate_dynamic_stack_space): Add sanity checking for
1738 stack_pointer_delta.
1739 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1740 stack_pointer_delta.
1741 (emit_push_insn): Update stack_pointer_delta.
1742 * function.h (struct expr_status): Add x_stack_pointer_delta;
1743 remove x_arg_space_so_far.
1744 (arg_space_so_far): Remove.
1745 (stack_pointer_delta): New macro.
1747 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1749 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1750 Reorder struct cpp_options and struct cpp_reader for better
1751 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1752 takes two args. Change all 'char' flags to 'unsigned char'.
1753 Move show_column flag into struct cpp_options. Don't
1754 prototype cpp_options_init.
1755 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1756 cppinit.c, cpplex.c, cpplib.c:
1757 Replace CPP_OPTIONS (pfile)->whatever with
1758 CPP_OPTION (pfile, whatever), and likewise for
1759 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1761 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1762 Extract CPP_OPTION (pfile, pending) and work with that
1764 (cpp_options_init): Delete.
1765 (cpp_reader_init): Turn on on-by-default options here.
1766 Allocate the pending structure here.
1767 (cl_options, enum opt_code): Define these from the same table,
1768 kept in a large macro. Add -fshow-column and -fno-show-column
1771 * cpperror.c (v_message): If show_column is off, don't print
1774 * cppmain.c: Update for new interface.
1775 * fix-header.c: Likewise.
1777 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1779 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1781 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1782 are passed to any invocation of AR_FOR_TARGET.
1783 (AR_CREATE_FOR_TARGET): New macro.
1784 (AR_EXTRACT_FOR_TARGET): New macro.
1785 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1786 AR_EXTRACT_FOR_TARGET.
1787 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1788 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1789 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1790 AR_EXTRACT_FOR_TARGET to sub-makes.
1792 2000-03-31 Neil Booth <NeilB@earthling.net>
1794 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1796 (_cpp_parse_expr): Check for multiple unary +/- operators.
1797 Correct priorities of ':' and '?'. Treat ')' as having a
1798 value. Ensure conditional expression is not void.
1800 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1802 * alias.c (canon_rtx): Make it global.
1803 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1805 * cse.c (struct table_elt): Add canon_exp.
1807 (invalidate): Canonicalize expressions only once.
1808 * rtl.h (canon_rtx): Declare.
1810 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1812 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1813 * alias.c (reg_known_value): Add comments.
1814 (init_alias_analysis): Likewise.
1815 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1817 (cse_basic_block): Fix typo in comment.
1818 * emit-rtl.c: Include hashtab.h.
1819 (const_int_htab): New variable.
1820 (const_int_htab_hash): New function.
1821 (const_int_htab_eq): Likewise.
1822 (rtx_htab_mark_1): Likewise.
1823 (rtx_htab_mark): Likewise.
1824 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1825 (unshare_all_rtx): Fix formatting.
1826 (init_emit_once): Initialize const_int_htab.
1827 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1829 * rtl.texi: Document the fact that all CONST_INTs with the same
1832 2000-03-30 Richard Henderson <rth@cygnus.com>
1834 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1836 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1838 * configure.in: Comment out --enable-c-cpplib stanza.
1839 * configure: Regenerate.
1841 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1843 * expr.c (store_constructor): Properly compute displacement and
1844 alignment when offset is variable.
1846 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1847 cases of alignment in bytes.
1849 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1851 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1852 since it is used to generate c-parse.y.
1853 * objc-parse.c, objc-parse.y: Regenerated.
1855 * function.c (expand_function_end): Pass alignment argument to
1856 emit_block_move in bits, not bytes.
1858 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1860 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1863 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1865 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1866 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1867 * function.c (assign_parms): Likewise.
1868 * integrate.c (expand_inline_function): Likewise.
1869 * stmt.c (expand_decl): Likewise.
1870 (copy_rtx_and_substitute): Likewise.
1871 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1872 (clear_by_pieces): Fix error in last change.
1873 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1874 * function.h (regno_pointer_align): Now unsigned.
1875 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1877 * config/i386/i386.c (aligned_operand): Likewise.
1878 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1879 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1880 (unaligned_memory_operand): Likewise.
1881 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1882 Also make alignments and sizes unsigned and some whitespace cleanup.
1883 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1885 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1886 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1887 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1888 (expand_builtin_memset): Likewise, but to clear_storage.
1889 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1890 (restore_fixed_argument_area): Likewise.
1891 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1892 (load_register_parameters): Likewise, to emit_group_load.
1893 (expand_call): Likewise, to emit_group_store and emit_block_move.
1894 (emit_library_call_value_1): Likewise, to emit_block_move.
1895 (store_one_arg): Likewise, and to emit_push_insn.
1896 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1897 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1898 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1899 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1900 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1901 (expand_assigment, store_expr, store_constructor_field): Likewise.
1902 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1903 (store_constructor, store_field, get_inner_reference): Likewise.
1904 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1905 (expand_expr, case COMPONENT_REF): Likewise.
1906 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1907 and positions; reindent code.
1908 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1909 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1910 (assign_parms): Likewise to emit_group_store.
1911 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1912 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1913 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1914 (expand_return): Likewise to {extract,store}_bit_field.
1915 * stor-layout.c (get_mode_alignment): Minor cleanup.
1916 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1917 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1919 2000-03-29 Nick Clifton <nickc@cygnus.com>
1921 * config/arm/arm.h: Undo effects of previous delta:
1922 (ASM_SPEC): Do not define.
1923 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1925 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1928 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1930 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1931 only after reading in the primary source file.
1933 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1935 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1936 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1937 or a reference to a va_list.
1938 * builtins.c (stabilize_va_list): Simplify now we don't have to
1939 work around C array address decay.
1940 * c-typeck.c (convert_for_assignment): Handle assignment to
1941 a reference parameter by taking the address of the RHS.
1942 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1943 (va_copy): Likewise.
1944 (__va_copy): Likewise.
1945 * ginclude/varargs.h (va_start): Likewise.
1946 (__va_copy): Likewise.
1948 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1950 * i386/djgpp.h: Remove extraneous "+".
1952 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1954 * calls.c (expand_call): Fix typo in last change.
1956 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1958 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1961 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1963 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1964 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1965 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1966 * tree.c (bit_position, byte_position): Likewise.
1967 * tree.h: Declare new functions.
1969 2000-03-29 Nick Clifton <nickc@cygnus.com>
1971 * config/arm/arm.c: Minor formatting changes/
1972 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1974 (ASM_SPEC): Define if not already defined.
1976 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1978 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1981 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1983 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1984 value, don't output it as unsigned.
1986 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1988 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1990 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1992 * c-common.c (c_common_nodes_and_builtins): Don't special case
1993 cplus_mode when declaring builtin bzero/bcmp, always avoid
1994 prototype arguments.
1996 2000-03-29 Bruce Korb <bkorb@gnu.org>
1998 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
2001 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2003 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
2004 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
2005 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
2006 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
2007 (save_fixed_argument_area, restore_fixed_argument_area):
2008 conditionize by #ifdef REG_PARM_STACK_SPACE only.
2009 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
2010 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
2011 (precompute_register_parameters): Avoid #ifdefs on
2012 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
2013 (stire_one_args): Likewise.
2014 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
2015 (emit_library_call_value_1): Likewise.
2016 (compute_argument_block_size): Align to STACK_BOUNDARY only for
2017 ACCUMULATE_OUTGOING_ARGS.
2018 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
2020 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
2021 (use_crosses_set_p): Likewise.
2022 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
2023 #define ACCUMULATE_OUTGOING_ARGS 1.
2024 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
2026 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
2028 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
2029 (TARGET_SWITCHES): Add push-args, no-push-args,
2030 accumulate-outgoing-args and no-accumulate-outgoing-args.
2031 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
2032 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
2033 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
2035 (emit_push_insn): Likewise.
2036 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2037 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
2038 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2039 (STACK_DYNAMIC_OFFSET): Define correctly for both
2040 ACCUMULATE_OUTGOING_ARGS and normal mode.
2041 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
2042 * tm.texi (PUSH_ARGS): Document.
2043 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
2045 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
2047 * flags.h (flag_optimize_sibling_calls): Declare.
2048 * calls.c (expand_call): Fail sibcall when
2049 !flag_optimize_sibling_calls
2050 * invoke.texi (flag_optimize_sibling_calls): Document.
2051 * toplev.c (flag_optimize_sibling_calls): New global variable.
2052 (f_options): Add flag_optimize_sibling_calls.
2053 (rest_of_compilation): Conditionize
2054 optimize_sibling_and_tail_recursive_calls by
2055 flag_optimize_sibling_calls.
2056 (main): Set flag_optimize_sibling_calls for -O2.
2057 * stmt.c (expand_return): Conditionize tail recursion by
2058 flag_optimize_sibling_calls.
2060 2000-03-29 Richard Henderson <rth@cygnus.com>
2062 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
2063 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
2065 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
2067 * except.c (add_eh_table_entry): Mark type_info's as referenced.
2069 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2071 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
2073 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
2074 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
2075 * config/rs6000/aix.h: then modified likewise.
2077 2000-03-28 Richard Henderson <rth@cygnus.com>
2079 * rtl.h: Redistribute enum reg_note documentation.
2080 Kill trailing whitespace.
2081 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
2082 Kill trailing whitespace.
2084 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
2086 * cppfiles.c (hash_IHASH): Just return i->hash.
2087 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
2088 htab_find_with_hash.
2089 (cpp_read_file): Likewise.
2090 (find_include_file): Likewise. Properly initialize
2091 ih->nshort. Share ih->name and ih->nshort if possible.
2092 * cpphash.c (_cpp_calc_hash): New function.
2093 (hash_HASHNODE): Just return h->hash.
2094 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
2095 htab_find_with_hash.
2096 * cpphash.h: Prototype _cpp_calc_hash.
2097 * cppinit.c (initialize_builtins): Provide a valid hash
2098 to _cpp_make_hashnode, using _cpp_calc_hash.
2100 * cpphash.c (collect_expansion): # is not a special character
2101 in object-like macros. In -traditional mode, /**/ is not
2102 token paste at the beginning or end of the line.
2103 * cpplib.c (do_include, do_import, do_include_next): If
2104 parse_include fails, return immediately.
2106 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
2108 * config/arm/arm.md (return peepholes): Update to reflect the new
2110 * config/arm/arm.c (arm_volatile_func): Also check
2111 current_function_nothrow.
2112 (output_return_instruction, output_func_prologue): Use it.
2113 (arm_output_epilogue, arm_expand_prologue): Likewise.
2115 2000-03-27 Tom Tromey <tromey@cygnus.com>
2117 * gcc.c (handle_braces): In {x*...} case, break out of loop if
2120 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2122 * expr.c (store_constructor): SIZE now signed.
2123 For EXPR_SIZE, don't evaluate size; just needed if constant.
2124 * fold-const.c (fold): Fix a number of cases when folded tree is
2126 * function.c (flush_addressof): Reenable.
2127 * tree.h (flush_addressof): Likewise.
2128 * toplev.c (independent_decode_option): Look at strings_processed.
2129 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
2131 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2133 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2134 Allow stack adjustment after function call.
2136 * regmove.c (struct csa_memlist): Make mem field rtx *.
2137 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2138 (try_apply_stack_adjustment): Replace whole MEM rtx.
2139 (combine_stack_adjustments_for_block): Update calls
2140 to record_one_stack_ref.
2142 2000-03-28 Neil Booth <NeilB@earthling.net>
2144 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2145 '\\' rather than a null character, so nulls are not special. Fix
2146 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2147 speed trigraph conversion.
2148 (_cpp_init_input_buffer): Initialize trigraph map.
2150 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2152 * config/i386/i386.c (output_387_binary_op): Correct intel
2153 mode assembly output, and add spaces after commas in AT&T
2154 output. Correct Unixware assembler comment. Document input
2155 constraints. Comment fp operations. Reduce profligate buffer
2156 size. Remove extraneous abort. Localize temp var.
2157 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2158 (output_fix_trunc): Add spaces after commas in assembly output.
2160 2000-03-27 Richard Henderson <rth@cygnus.com>
2162 * i386-protos.h (ix86_match_ccmode): Declare.
2163 * i386.c (ix86_match_ccmode): New.
2164 (ix86_expand_fp_compare): Update for pattern renames.
2165 (ix86_expand_strlensi_unroll_1): Likewise.
2166 * i386.h (EXTRA_CC_MODES): Add CCZ.
2167 (SELECT_CC_MODE): Use it for EQ/NE zero.
2168 * i386.md (cmpsi_ccz_1): New.
2170 (*testsi_ccz_1): New.
2171 (testqi_ccz_1): New.
2172 (cmpsi_ccno_1): Rename from cmpsi_0.
2173 (testsi_ccno_1): Rename from testsi_1.
2174 (testqi_ccno_1): Rename from testqi_1.
2175 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2176 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2177 (*cmphi_0): Use ix86_match_ccmode.
2178 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2179 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2180 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2181 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2182 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2183 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2184 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2185 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2186 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2187 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2188 (appropriate peepholes): Likewise.
2189 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2190 (*subsi_3, *subhi_3, *subqi_3): Remove.
2191 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2192 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2193 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2194 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2195 (x86_shift_adj_1): Use CCZ.
2196 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2198 2000-03-27 Stan Cox <scox@cygnus.com>
2200 * resource.h (mark_resource_type): New.
2201 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2202 find_free_register): Use mark_resource_type.
2203 (mark_set_resources): Change include_delayed_effects
2204 to mark_resource_type.
2205 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2206 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2207 Use mark_resource_type.
2209 2000-03-27 Richard Henderson <rth@cygnus.com>
2211 * i386.md (call_pop_0, call_value_pop_0): New.
2212 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2213 (call_value_pop_1): Likewise.
2214 (call_0, call_value_0): New.
2215 (call_1, call_value_1): Remove constraint from unused arg.
2217 2000-03-27 Nick Clifton <nickc@cygnus.com>
2219 * invoke.texi (Spec Files): Document new spec % command created by
2220 Tom Tromey's recent patch.
2222 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2224 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2227 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2229 * expr.c (expand_assignment): Fix typo in last change.
2231 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2233 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2235 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2236 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2237 and DECL_INLINE if FUNCTION_DECL.
2238 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2239 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2240 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2241 (combine_parm_decls): Likewise.
2242 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2243 * print-tree.c (print_node): Likewise.
2244 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2245 DECL_TRANSPARENT_UNION on proper decl types.
2246 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2247 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2248 DECL_BIT_FIELD of FIELD_DECL.
2249 * tree.h (DECL_RESULT_FLD): New macro.
2251 * expr.c (expand_assignment): Add code to handle variable-sized
2254 2000-03-26 Richard Henderson <rth@cygnus.com>
2256 * calls.c (expand_call): Pass parms not original exp to
2257 optimize_tail_recursion. Mind return value instead of looking
2259 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2260 call_expr. Move checks for call_expr and current_function_decl ...
2261 (expand_return): ... here.
2263 2000-03-26 Tom Tromey <tromey@cygnus.com>
2265 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2266 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2268 (process_command): Use them.
2269 (check_live_switch): Likewise.
2270 (give_switch): Skip ignored switches.
2272 2000-03-26 Jan Hubicka <jh@suse.cz>
2274 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2275 for minimal jump pass test.
2277 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2279 * integrate.c (function_cannot_inline_p): Do inline functions that
2282 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2284 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2285 now a list of TREE_LIST entries, not types.
2286 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2288 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2289 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2291 * config/mips/mips.c (function_arg): Likewise; also remove cast
2292 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2293 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2294 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2295 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2296 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2297 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2298 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2299 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2300 num_adjusts now unsigned.
2301 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2302 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2304 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2305 as is BITPOS variable; use host_integerp and int_bit_position.
2306 (function_arg_record_value_2): Likewise.
2307 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2308 Variable REGNO now unsigned.
2309 (function_arg_record_value): NREGS now unsigned.
2311 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2313 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2315 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2317 * Rework fields used to describe positions of bitfields and
2318 modify sizes to be unsigned and use HOST_WIDE_INT.
2319 * alias.c (reg_known_value_size): Now unsigned.
2320 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2321 (really_start_incremental_init): Use bitsize_zero_node.
2322 (push_init_level, pop_init_level, output_init_element): Likewise.
2323 Use bitsize_unit_node and bitsize_one_node.
2324 (output_pending_init_elements, process_init_element): Likewise.
2325 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2326 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2327 HOST_WIDE_INT, respectively.
2328 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2329 (num_sign_bit_copies): Returns unsigned.
2330 BITWIDTH now unsigned; rework arithmetic.
2331 Remove recursive call from arg to MAX.
2332 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2333 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2335 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2336 (find_split_point, expand_compound_operation, make_extraction): LEN
2337 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2338 (make_field_assignment): Likewise.
2339 (combine_simplify_rtx): Add cast.
2340 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2341 (force_to_mode): WIDTH now unsigned; add cast.
2342 (if_then_else_cond): SIZE now unsigned.
2343 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2344 (extended_count): Now returns unsigned.
2345 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2346 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2347 (simplify_comparison): MODE_WIDTH now unsigned.
2348 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2349 (mark_used_regs_combine): Likewise; rework arithmetic.
2350 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2351 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2352 (record_promoted_value): REGNO now unsigned.
2353 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2354 (get_last_value): REGNO now unsigned.
2355 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2356 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2357 (remove_death): Arg REGNO now unsigned.
2358 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2359 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2361 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2362 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2363 (struct cse_reg_info): REGNO now unsigned.
2364 (cached_regno): Now unsigned.
2365 (REGNO_QTY_VALID_P): Add cast.
2366 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2367 (remove_invalid_regs): Likewise.
2368 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2369 as are variables END and I.
2370 (get_cse_reg_info, insert): Likewise.
2371 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2372 (canon_hash): Likewise.
2373 (insert_regs, lookup_for_remove): REGNO now unsigned.
2374 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2376 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2377 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2378 * emit-rtl.c (subreg_realpart_p): Add cast.
2379 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2380 (operand_subword_force): Arg I is now unsigned.
2381 * except.c (eh_regs): Variable I is now unsigned.
2382 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2383 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2384 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2385 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2386 (extract_split_bit_field, store_bit_field, extract_bit_field):
2388 * expr.c (store_constructor_fields, store_constructor, store_field):
2389 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2390 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2391 (do_jump): Likewise.
2392 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2393 MAX_SIZE is now unsigned.
2394 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2395 (emit_group_store): Likewise.
2396 (emit_move_insn): I now unsigned.
2397 (store_constructor): Use host_integerp, tree_low_cst, and
2399 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2400 Rework all calculations to use trees and new fields.
2401 * expr.h (promoted_input_arg): Regno now unsigned.
2402 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2403 (mark_seen_cases): Arg is HOST_WIDE_INT.
2404 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2405 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2406 precisions and alignments are unsigned.
2407 (optimize_bit_field_compare, fold_truthop): Likewise.
2408 (int_const_binop): Adjust threshold for size_int_type_wide call.
2409 (fold_convert): Likewise.
2410 (size_int_type_wide): Make table larger and fix thinko that only
2411 had half of table used.
2412 (all_ones_mask_p, fold): Precisions are unsigned.
2413 * function.c (put_reg_info_stack): REGNO is unsigned.
2414 (instantiate_decl): Size is HOST_WIDE_INT.
2415 (instantiate_virtual_regs): I is unsigned.
2416 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2417 (promoted_input_arg): REGNO is unsigned.
2418 * function.h (struct function): x_max_parm_reg is now unsigned.
2419 * gcse.c (max_gcse_regno): Now unsigned.
2420 (struct null_pointer_info): min_reg and max_reg now unsigned.
2421 (lookup_set, next_set): REGNO arg now unsigned.
2422 (compute_hash_table): REGNO and I now unsigned.
2423 (handle_avail_expr): regnum_for_replacing now unsigned.
2424 (cprop_insn): REGNO now unsigned.
2425 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2426 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2427 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2428 * hard-reg-set.h (reg_class_size): Now unsigned.
2429 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2430 * jump.c (mark_modified_reg): I now unsigned; add cast.
2431 (rtx_equal_for_thread_p): Add cast.
2432 * loop.c (max_reg_before_loop): Now unsigned.
2433 (struct_movable): REGNO now unsigned.
2434 (try_copy_prop): REGNO arg unsigned.
2435 (regs_match_p): XN and YN now unsigned.
2436 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2437 (strength_reduce): Likewise; NREGS also unsigned.
2438 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2439 * loop.h (struct iv_class): REGNO now unsigned.
2440 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2442 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2443 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2444 * optabs.c (expand_binop): I and NWORDS now unsigned.
2445 (expand_unop): I now unsigned.
2446 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2447 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2448 * real.c (significand_size): Now returns unsigned.
2449 * real.h (significand_size): Likewise.
2450 * regclass.c (reg_class_size): Now unsigned.
2451 (choose_hard_reg_mode): Both operands now unsigned.
2452 (record_reg_classes): REGNO and NR now unsigned.
2453 (reg_scan): NREGS now unsigned.
2454 (reg_scan_update): old_max_regno now unsigned.
2455 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2456 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2457 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2458 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2459 Likewise for variable R.
2460 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2461 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2462 (find_equiv_reg): Add casts.
2463 (regno_clobbered_p): Arg REGNO now unsigned.
2464 * reload.h (struct reload): NREGS now unsigned.
2465 (refers_to_regno_for_reload_p): Regno args are unsigned.
2466 (regno_clobbered_p): Likewise.
2467 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2468 (compute_use_by_pseudos): REGNO now unsigned.
2469 (find_reg): I and J now unsigned, new variable K, and change loop
2470 variables accordingly; THIS_NREGS now unsigned.
2471 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2472 (spill_hard_reg): REGNO arg now unsigned; add casts.
2473 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2474 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2475 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2476 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2477 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2478 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2479 (emit_reload_insns): REGNO now unsigned.
2480 (reload_cse_move2add): Add cast.
2481 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2483 * resource.c (mark_referenced_resources, mark_set_resources): New
2484 variable R; REGNO and LAST_REGNO now unsigned.
2485 (mark_target_live_regs): J and REGNO now unsigned.
2486 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2487 * rtl.h (union rtunion_def): New field rtuint.
2488 (XCUINT): New macro.
2489 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2490 (operand_subword, operand_subword_force): Word number is unsigned.
2491 (choose_hard_reg_mode): Operands are unsigned.
2492 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2493 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2494 (regno_use_in, combine_instructions, remove_death): Likewise.
2495 (reg_scan, reg_scan_update): Likewise.
2496 (extended_count): Return is unsigned.
2497 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2498 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2499 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2500 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2501 (reg_reg_last_1): FIRS and LAST now unsigned.
2502 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2503 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2505 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2506 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2507 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2508 (replace_regs): Arg NREGS now unsigned.
2509 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2510 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2511 (simplify_binary_operation): Likewise.
2512 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2513 THIS_LAST now unsigned.
2514 (cselib_record_set): Add cast.
2515 * ssa.c (ssa_max_reg_num): Now unsigned.
2516 (rename_block): REGNO now unsigned.
2517 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2519 (all_cases_count): Just return -1 not -2.
2520 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2521 Rework tests to use trees whenever possible.
2522 Use host_integerp and tree_low_cst.
2523 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2524 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2525 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2526 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2527 (smallest_mode_for_size): Likewise.
2528 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2529 KNOWN_ALIGN is now an alignment, so simplify code.
2530 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2531 (start_record_layout): Renamed from new_record_layout_info.
2532 Update to new fields.
2533 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2535 (place_union_field): Renamed from layout_union_field.
2536 Update to use new fields in rli.
2537 (place_field): Renamed from layout_field.
2538 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2539 (finalize_record_size): Rework to use new fields in rli and handle
2541 (compute_record_mode): Rework to simplify and to use new DECL fields.
2542 (finalize_type_size): Make rounding more consistent.
2543 (finish_union_layout): Deleted.
2544 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2545 (layout_type, case RECORD_TYPE): Call new function names.
2546 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2547 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2548 (get_best_mode): UNIT is now unsigned; remove casts.
2549 * tree.c (bit_position): Compute from new fields.
2550 (byte_position, int_byte_position): New functions.
2551 (print_type_hash_statistics): Cast to remove warning.
2552 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2553 (build_index_type): Likewise; make subtype of sizetype.
2554 (build_index_2_type): Pass sizetype to build_range_type.
2555 (build_common_tree_nodes): Use size_int and bitsize_int to
2556 initialize nodes; add bitsize_{zero,one,unit}_node.
2557 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2558 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2559 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2560 (DECL_FIELD_BITPOS): Deleted.
2561 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2562 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2563 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2564 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2565 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2566 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2567 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2568 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2569 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2570 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2571 (DECL_ALIGN): Adjust to new field in union.
2572 (DECL_OFFSET_ALIGN): New field.
2573 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2574 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2575 (union tree_decl): Add struct for both aligns.
2576 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2577 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2578 (struct record_layout_info): Rework fields to have offset
2579 alignment and byte and bit position.
2580 (start_record_layout, place_field): Renamed from old names.
2581 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2582 (byte_position, int_byte_position): Likewise.
2583 (get_inner_reference): Change types of position and length.
2584 * unroll.c (unroll_loop): New variable R; use for some loops.
2585 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2586 (calculate_giv_inc): Arg REGNO now unsigned.
2587 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2588 * varasm.c (assemble_variable): Clean up handling of size using
2589 host_integerp and tree_low_cst.
2590 (decode_addr_const): Use byte, not bit, position.
2591 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2592 use tree_low_cst and int_bit_position.
2593 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2595 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2597 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2598 (reorder_block_def): New members eff_head and eff_end.
2599 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2600 (verify_insn_chain): New function.
2601 (skip_insns_between_block): Add code to skip deleted insns.
2602 Check for note before using.
2603 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2604 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2605 Check for note before using.
2606 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2607 (fixup_reorder_chain): Restructure, clean up, defect removal.
2608 (reorder_basic_blocks): Remove last_insn and references to it.
2609 Moved insn chain verification code into a new function (see above).
2610 Delete defective code that sets last insn.
2611 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2614 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2616 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2618 2000-03-24 Richard Henderson <rth@cygnus.com>
2620 * tree.c (lang_safe_for_unsave): Remove.
2621 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2622 allowing for two levels of unsafeness. Remove lang hook.
2623 * tree.h: Update declarations.
2624 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2625 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2626 Always fail sibcalls when there are pending cleanups.
2628 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2630 * flow.c (propagate_block): When we delete an ADDR_VEC,
2631 also delete the BARRIER following it if there is one.
2633 2000-03-24 Richard Henderson <rth@cygnus.com>
2635 * builtins.c (expand_builtin_bzero): Convert `length' argument
2638 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2640 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2641 comparison if regno's are equal.
2642 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2643 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2644 (expand_call): Update caller.
2645 Avoid making a sibling call if argument size of the callee is larger
2646 than argument size of the caller.
2647 Call hard_function_value with outgoing set if in sibcall pass.
2648 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2650 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2651 Change LEAF_REGISTERS from an array initializer to actual array
2652 identifier. Move static global variable into the function.
2653 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2654 sequences for leaf functions.
2655 * global.c (global_alloc): Likewise.
2656 * tm.texi (LEAF_REGISTERS): Update documentation.
2658 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2659 TARGET_FLAT leaf disabling hack.
2660 (LEAF_REGISTERS): Changed from an array initializer to actual array
2661 identifier to avoid duplication and remove the above hack.
2662 (FUNCTION_OK_FOR_SIBCALL): Define.
2663 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2664 always like call attribute.
2665 (eligible_for_sibcall_delay): New attribute.
2666 (sibcall): New delay type.
2667 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2668 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2669 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2670 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2671 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2673 (output_function_epilogue): Move part of the code into
2674 output_restore_regs.
2675 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2677 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2680 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2681 until infrastructure is finished.
2683 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2685 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2686 (save_parm_insns): Not here.
2688 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2690 * builtins.c (expand_builtin_bzero): New function.
2691 (expand_builtin): Handle bzero.
2693 * builtins.def: Add BUILT_IN_BZERO.
2695 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2696 prototype & function for bzero.
2698 2000-03-23 Michael Meissner <meissner@redhat.com>
2700 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2701 change adding TARGET_FP to the TF floating point insns, except for
2702 trunctfsf2, which generates direct calls to truncdfsf2.
2704 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2706 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2707 try to protect against middle-end changes that break binary
2709 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2711 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2713 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2715 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2717 * calls.c (expand_call): If TARGET is passed by reference and
2718 is readonly, write a CLOBBER.
2720 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * builtins.c (expand_builtin): Handle bcmp.
2724 * builtins.def: Add BUILT_IN_BCMP.
2726 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2727 prototype & function for bcmp.
2729 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2731 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2732 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2733 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2735 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2737 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2738 alternative when using -fp64 -gp32.
2740 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2742 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2743 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2744 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2746 * frame.h (frame_state): Revert last change.
2747 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2748 * libgcc2.c (throw_helper): Revert last change.
2750 2000-03-22 Richard Henderson <rth@cygnus.com>
2752 * stmt.c (expand_asm_operands): Don't promote the temporary.
2754 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2756 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2757 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2758 c_get_alias_set): Likewise.
2759 * c-decl.c (duplicate_decls): Likewise.
2760 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2761 * calls.c (initialize_argument_information): Likewise.
2762 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2764 * dwarfout.c (decl_class_context,output_type): Likewise.
2765 * expr.c (get_inner_reference): Likewise.
2766 * fold-const.c (simple_operand_p,fold): Likewise.
2767 * function.c (aggregate_value_p): Likewise.
2768 * stmt.c (expand_asm_operands): Likewise.
2769 * varasm.c (named_section): Likewise.
2771 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2773 Implement dwarf2 exception handling for the ARM.
2774 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2775 (DWARF_FRAME_RETURN_COLUMN): Define.
2776 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2777 REG_FRAME_RELATED_EXPR note.
2778 (emit_sfm): Likewise.
2779 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2780 * dwarf2out.c (reg_save): Handle saving a register to itself.
2781 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2782 * except.c (eh_regs): Don't use the static chain reg if it's
2784 * frame.h (frame_state): Add cfa_saved field.
2785 * frame.c (execute_cfa_insn): Set it.
2786 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2788 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2790 (instantiate_virtual_regs): Adjust.
2792 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2793 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2794 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2796 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2797 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2799 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2801 * builtins.def: New file.
2803 * Makefile.in (TREE_H): Depend on builtins.def.
2805 * builtins.c (built_in_names): Use builtins.def.
2807 * tree.h (built_in_function): Likewise.
2809 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2811 * tree.c (size_in_bytes): Return size_zero_node, not
2814 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2816 * config/fp-bit.c (pack_d): Correct the case when a denormal
2817 is rounded up and stops being denormal.
2819 2000-03-21 Richard Henderson <rth@cygnus.com>
2821 * config/alpha/alpha.c (function_arg): Check for void_type_node
2822 before using MUST_PASS_IN_STACK.
2824 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2826 * regmove.c (combine_stack_adjustments_for_block): Check that
2827 the stack pointer is a valid memory address.
2829 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2831 * calls.c: re-install Mar 16 emit_library_call merge.
2833 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2835 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2836 we cannot be sure that if reload_completed base register will
2837 be properly aligned.
2839 2000-03-21 Richard Henderson <rth@cygnus.com>
2841 * flow.c (delete_block): Fix typo last change.
2843 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2845 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2846 not COMPLETE_TYPE_P, to check the type of the expression.
2848 2000-03-21 Michael Meissner <meissner@redhat.com>
2850 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2851 all floating point insns that just tested the macro
2852 TARGET_HAS_XFLOATING_LIBS.
2853 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2854 used to only use the gprs.
2856 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2858 * tree.h (COMPLETE_TYPE_P): New macro.
2859 (COMPLETE_OR_VOID_TYPE_P): New macro.
2860 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2861 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2862 * c-aux-info.c (gen_type): Use them.
2863 * c-common.c (c_expand_expr_stmt): Likewise.
2864 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2865 grokdeclarator, grokparms, finish_struct, start_function,
2866 store_parm_decls, combine_parm_decls): Likewise.
2867 * c-parse.y (cast_expr): Likewise.
2868 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2869 c_size_in_bytes, c_alignof, build_component_ref,
2870 build_indirect_ref, build_array_ref, convert_arguments,
2871 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2872 * calls.c (initialize_argument_information): Likewise.
2873 * convert.c (convert_to_integer): Likewise.
2874 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2875 * dwarfout.c (location_or_const_value_attribute,
2876 output_enumeration_type_die, output_structure_type_die,
2877 output_union_type_die, output_type): Likewise.
2878 * expr.c (safe_from_p, expand_expr): Likewise.
2879 * function.c (assign_parms): Likewise.
2880 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2881 * tree.c (build_array_type, build_function_type,
2882 build_method_type, build_offset_type, build_complex_type): Likewise.
2883 * c-parse.c, c-parse.h: Regenerated.
2885 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2887 * config/c4x/rtems.h: Include config/rtems.h.
2889 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2891 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2892 decl is a FUNCTION_DECL
2894 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2896 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2897 function uses output registers. Don't save RP for leaf functions.
2898 Do save RP even if no epilogue.
2899 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2900 (CALL_USED_REGISTERS): Unmark in registers.
2901 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2904 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2906 * config/rs6000/rs6000.md (bunordered): New expander.
2907 (bordered): New expander.
2908 (buneq): New expander.
2909 (bunge): New expander.
2910 (bungt): New expander.
2911 (bunle): New expander.
2912 (bunlt): New expander.
2913 (bltgt): New expander.
2915 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2916 (ccr_bit_negated_p): New function.
2917 (print_operand): For %C, generate appropriate cror for UNEQ,
2918 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2920 2000-03-20 Andreas Jaeger <aj@suse.de>
2922 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2925 * tree.h (safe_for_unsave): Prototype.
2927 2000-03-20 Richard Henderson <rth@cygnus.com>
2929 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2930 (combine_stack_adjustments_for_block): Don't allow sp references
2931 in the side of a set we're not fixing up.
2932 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2933 after life_analysis.
2935 2000-03-20 Richard Henderson <rth@cygnus.com>
2937 * calls.c (expand_call): Don't bother generating tail call
2938 sequences if there are pending cleanups. Use
2939 expand_start_target_temps/expand_end_target_temps to elide
2940 cleanups created during sibcall expansion.
2942 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2944 * configure.in: Set $IFS to a value if it doesn't already have one
2945 in the --enable-checking handling.
2946 * configure: Regenerate.
2948 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2950 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2951 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2954 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2956 * jump.c (delete_noop_moves): Remove code attempting to
2957 combine stack adjustments.
2959 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2961 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2962 * except.c (emit_cleanup_handler): Use them.
2963 (expand_end_all_catch): Likewise.
2964 * function.c (fixup_var_refs): Likewise.
2965 (expand_function_end): Clear catch_clauses_last.
2966 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2967 * except.h (struct eh_status): New field x_catch_clauses_last.
2968 (catch_clauses_last): New define.
2970 * Makefile.in (tree.o): Depend on HASHTAB_H.
2971 * tree.c: Include hashtab.h.
2972 (struct type_hash): Remove next field.
2973 (TYPE_HASH_SIZE): Remove.
2974 (TYPE_HASH_INITIAL_SIZE): New define.
2975 (type_hash_table): Change type to htab_t.
2976 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2977 mark_hash_entry): New functions.
2978 (init_obstacks): Allocate type hash.
2979 (type_hash_lookup): Use htab functions.
2980 (type_hash_add, mark_type_hash): Likewise.
2981 (dump_tree_statistics): Call print_type_hash_statistics.
2983 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * rs6000/t-aix41: New file.
2987 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2989 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2991 * tm.texi (Driver): Fix typos and tweak entry for
2993 Move misplaced STRUCT_FORCE_BLK entry ...
2994 (Storage Layout): ... to here.
2995 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2997 2000-03-19 Richard Henderson <rth@cygnus.com>
2999 * flow.c (delete_block): Delete the addr_vec along with the block.
3000 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
3003 * fold-const.c (extract_muldiv): Apply type check for defined
3004 overflow to multiply as well as divide.
3006 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
3008 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3010 * emit-rtl.c (remove_unncessary_notes): Check that all
3011 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
3012 associated NOTE_BLOCK.
3013 * function.h (identify_blocks): Update comments.
3014 (reorder_blocks): Declare.
3015 * function.c (identify_blocks): Don't take paramters.
3016 (reorder_blocks): Don't take parameters.
3017 * loop.h (find_loop_tree_blocks): Remove.
3018 (unroll_block_trees): Likewise.
3019 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
3020 reorder_blocks instead of unroll_block_trees.h
3021 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
3022 * stmt.c (find_loop_tree_blocks): Remove.
3023 (unroll_block_trees): Likewise.
3024 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
3025 in whole-function mode.
3026 * tree.h (reorder_blocks): Remove declaration.
3028 * expr.c: Include intl.h.
3029 * Makefile.in (expr.o): Depend on intl.h.
3031 2000-03-18 Richard Henderson <rth@cygnus.com>
3033 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
3035 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3037 * tree.h (tree_index): Remove enumerals for integer types.
3038 (integer_type_kind): New type.
3039 (integer_types): New variable.
3040 (char_type_node): Adjust.
3041 (signed_char_type_node): Likewise.
3042 (unsigned_char_type_node): Likewise.
3043 (short_integer_type_node): Likewise.
3044 (short_unsigned_type_node): Likewise.
3045 (integer_type_node): Likewise.
3046 (unsigned_type_node): Likewise.
3047 (long_integer_type_node): Likewise.
3048 (long_unsigned_type_node): Likewise.
3049 (long_long_integer_type_node): Likewise.
3050 (long_long_unsigned_type_node): Likewise.
3051 * tree.c (integer_types): New variable.
3052 (init_obstacks): Register it as a root.
3054 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
3056 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
3057 NEXT_INSN. Update last insn in chain.
3059 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
3061 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
3062 with TYPE_DECL_SUPPRESS_DEBUG set.
3064 2000-03-18 Richard Henderson <rth@cygnus.com>
3066 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
3068 2000-03-18 Richard Henderson <rth@cygnus.com>
3070 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
3071 care for HALF_PIC_P.
3072 (expander_call_insn_operand): Remove.
3073 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
3074 * i386.h (PREDICATE_CODES): Update.
3075 * i386.md (all call expanders): Remove predicates, remove special
3076 handling for half-pic.
3077 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
3078 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
3079 (sibcall_epilogue): New.
3081 2000-03-17 Richard Henderson <rth@cygnus.com>
3083 * rtlanal.c (single_set): Reject if the parallel has anything
3084 except SET or USE or CLOBBER.
3086 2000-03-17 Jeff Law <law@cygnus.com>
3087 Richard Henderson <rth@cygnus.com>
3089 * Makefile.in (OBJS): Add sibcall.o.
3091 * sibcall.c: New file.
3092 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
3093 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
3094 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
3095 Emit sibcall patterns when requested. Update all callers.
3096 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
3097 elimination seems feasable.
3098 * final.c (leaf_function_p): Sibling calls don't discount being
3100 * flow.c (HAVE_sibcall_epilogue): Provide default.
3101 (find_basic_blocks_1): Sibling calls don't throw.
3102 (make_edges): Make edge from sibling call to EXIT.
3103 (propagate_block): Don't remove sibcall_epilogue insns.
3104 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
3105 (sibcall_epilogue): New.
3106 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
3107 (identify_blocks_1): Likewise. Break out from ...
3108 (identify_blocks): ... here.
3109 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
3110 (reorder_blocks): ... here.
3111 (init_function_for_compilation): Zap prologue/epilogue as varrays.
3112 (record_insns): Extend a varray instead of mallocing new memory.
3113 (contains): Read a varray not array of ints.
3114 (sibcall_epilogue_contains): New.
3115 (thread_prologue_and_epilogue_insns): Emit and record
3116 sibcall_epilogue patterns.
3117 (init_function_once): Allocate prologue/epilogue varrays.
3118 * genflags.c (gen_insn): Treat sibcall patterns as calls.
3119 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
3121 (save_for_inline_nocopy): ... here.
3122 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
3124 (expand_inline_function): ... here.
3125 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
3126 (subst_constants): Handle 'n' formats.
3127 * jump.c (jump_optimize_minimal): New.
3128 (jump_optimize_1): New arg `minimal'; update callers. Elide most
3129 optimizations if it's set.
3130 * rtl.c (copy_rtx): Do copy jump & call for insns.
3131 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3132 (SIBLING_CALL_P): New.
3133 (sibcall_use_t): New.
3134 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3135 Invoke optimize_sibling_and_tail_recursive_calls.
3136 * tree.c (lang_safe_for_unsave): New.
3137 (safe_for_unsave): New.
3138 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3140 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3141 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3142 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3144 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3146 * objc/objc-act.c (encode_method_prototype): Pass types, not
3147 PARM_DECLs, to int_size_in_bytes.
3149 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3151 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3153 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3154 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3156 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3158 * Clean up usages of TREE_INT_CST_LOW.
3159 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3160 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3162 * c-tree.h (min_precision): Move declaration to here.
3163 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3164 (build_unary_op, add_pending_init): Use bit_position.
3165 (pending_init_member, process_init_element): Likewise.
3166 (really_start_incremental_init, push_init_level, pop_init_level):
3167 Don't make copies of nodes or modify them in place, use consistent
3168 types when tracking positions, and use tree routines computations.
3169 (set_init_index, output_init_element): Likewise.
3170 (output_pending_init_elements, process_init_element): Likewise.
3171 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3172 tree_low_cst and int_bit_position; also minor cleanup.
3173 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3174 (print_cst_octal): Precision is unsigned.
3175 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3176 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3177 (simple_type_align_in_bits): Result is unsigned int.
3178 Use tree_int_low_cst and host_integerp.
3179 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3180 (field_byte_offset): Result is HOST_WIDE_INT.
3181 Change types of internal variables so alignments are unsigned int,
3182 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3183 Use host_integerp, tree_low_cst, and int_bit_position.
3184 (add_bit_offset_attribute): Likewise.
3185 (add_data_member_location_attribute): Use tree_cst_low.
3186 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3187 (add_bit_size_attribute): Use tree_low_cst.
3188 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3189 * dwarfout.c: Similar changes to dwarf2out.c.
3190 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3191 * genoutput.c (n_occurences): Return -1 for null string.
3192 (strip_whitespace): Accept null string and make into function.
3193 (scan_operands): Reflect above changes.
3194 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3195 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3196 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3197 * tree.c (int_size_in_bytes): Check for too big to represent.
3198 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3199 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3201 (min_precision): Delete from here.
3202 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3203 and int_bit_position.
3204 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3205 (encode_method_def): Likewise.
3206 (build_ivar_list_initializer): Use int_bit_position.
3207 (generate_shared_structures): Convert size.
3208 (encode_type, encode_complete_bitfield): Use integer_zerop.
3209 (encode_bitfield): Use tree_low_cst and int_bit_position.
3211 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3213 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3215 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3217 * call.c (special_function_p): It is only malloc if it returns
3220 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3222 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3223 (C33_FLAG, TARGET_C3X): Add macros.
3224 (TARGET_SWITCHES): Add -m33 option.
3225 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3227 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3229 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3230 (PARALLEL_PACK_FLAG): Delete.
3231 (TARGET_SWITCHES): Update.
3232 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3234 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3236 * fold-const.c (fold): Fix a few cases when the returned result
3237 is not of the same type as the input.
3239 2000-03-16 Nick Clifton <nickc@cygnus.com>
3241 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3244 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3246 * libgcc2.h: Move prototypes above macros with the same name.
3247 Wrap some function prototypes in the conditional which indicates
3248 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3250 2000-03-16 Richard Henderson <rth@cygnus.com>
3252 * calls.c: Revert last two changes.
3254 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3256 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3257 has exponent 0 is a zero.
3259 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3260 HASH may already be nonzero. Add code/mode into hash value
3261 immediately after repeat label.
3262 (cselib_lookup): Don't leave the hash table in an inconsistent
3263 state before a hash lookup operation.
3265 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3267 * i386.md (all HI and QI mode non-move patterns): Conditionize
3268 by TARGET_[HQ]IMODE_MATH.
3269 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3270 x86_promote_qi_regs): Declare.
3271 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3272 TARGET_PROMOTE_QI_REGS): New macros.
3273 (PROMOTE_MODE): New macro.
3274 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3275 x86_promote_qi_regs): New global variables.
3277 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3279 * calls.c (emit_library_call_value_1): Break out from ...; handle
3280 VOIDmode function calls too.
3281 (emit_library_call_value): ... here.
3282 (emit_library_call): Implement by calling emit_library_call_value_1.
3284 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3286 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3287 Update arg_space_so_far on stack adjustments.
3288 (emit_library_call, emit_library_call_value): Likewise; take into
3289 account arg_space_so_far and pending_stack_adjust when calculcating
3292 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3294 * flow.c: Move all basic block reordering code into its own file.
3295 (create_basic_block): Externalize.
3296 * bb-reorder.c: New file. Copy all basic block reordering code from
3297 flow.c to this file.
3298 (reorder_basic_blocks): Fix fencepost error in for-loop.
3299 (reorder_basic_blocks): Remove braces from single statement for-loops.
3300 * basic-block.h: Add declaration for create_basic_block.
3301 * Makefile.in: Add rules for bb-reorder.o.
3303 2000-03-16 Neil Booth <NeilB@earthling.net>
3305 * cppinit.c (handle_option): Implement #unassert directive
3306 as -A- command line option.
3307 (print_help): Update.
3308 * cpptexi.c: Update.
3310 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3312 * md.texi (Standard Names): Document `jump'.
3314 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3316 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3319 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3321 Merge changes from newppc-branch onto trunk.
3323 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3325 * rs6000.c (toc_hash_table): Update for new hash table functions.
3326 (toc_hash_function): Likewise.
3327 (toc_hash_eq): Likewise.
3328 (toc_hash_mark_entry): Likewise.
3329 (toc_hash_mark_table): Likewise.
3330 (output_toc): Likewise.
3331 (rs6000_add_gc_roots): Likewise.
3333 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3335 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3336 (AR_FLAGS_FOR_TARGET): here. New macro.
3338 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3340 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3341 fpmem_operand) Delete.
3343 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3344 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3345 (rs6000_save_machine_status, rs6000_restore_machine_status,
3346 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3347 references to above variables.
3348 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3349 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3350 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3351 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3352 (XER_REGNO_P, XER_REGNO): New.
3353 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3354 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3355 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3357 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3358 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3359 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3361 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3363 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3364 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3365 * rs6000.h: from here.
3367 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3368 (rs6000_select_rtx_section): Likewise.
3369 (rs6000_encode_section_info): Likewise.
3370 (sdata_section): Likewise.
3371 (sdata2_section): Likewise.
3372 (sbss_section): Likewise.
3373 * sysv4.h (rs6000_select_section): Delete prototype.
3374 (rs6000_select_rtx_section): Likewise.
3375 (rs6000_encode_section_info): Likewise.
3376 (sdata_section): Likewise.
3377 (sdata2_section): Likewise.
3378 (sbss_section): Likewise.
3379 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3381 * sysv4.h: Delete various unnecessary #undef's and put a comment
3382 on the remaining ones.
3383 Change various comments according to coding standard.
3385 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3387 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3388 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3389 (CR0_REGNO_P) Remove.
3390 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3391 setup_incoming_varargs, mtcrf_operation, print_operand,
3392 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3393 Use the above macros.
3395 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3397 * config/rs6000/rs6000.md: Added a new alternative for each
3398 pattern that had a 'x' alternative but no 'y' alternative.
3399 Added a new split for each of the above patterns.
3401 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3403 * aix41.h (ASM_CPU_SPEC): Delete.
3404 (CPP_CPU_SPEC): Delete.
3406 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3407 (ASM_OUTPUT_LABEL): Define.
3408 (ASM_GLOBALIZE_LABEL): Define.
3409 (STRIP_NAME_ENCODING): Define.
3410 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3411 (STRIP_NAME_ENCODING): Don't define.
3412 (ASM_OUTPUT_LABEL): Don't define.
3413 (ASM_GLOBALIZE_LABEL): Don't define.
3414 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3415 names, and ASM_OUTPUT_LABEL to output labels, rather than
3417 (ASM_OUTPUT_LABEL): Define.
3418 (ASM_OUTPUT_INT): Use assemble_name.
3419 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3420 (STRIP_NAME_ENCODING): Don't undefine first.
3421 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3423 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3424 specified with 'asm' even with -fleading-underscore.
3425 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3426 (output_epilog): Likewise.
3427 (output_toc): Likewise.
3428 * tramp.asm: Handle -fleading-underscore correctly.
3430 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3432 (nonlocal_goto_receiver): Delete.
3433 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3435 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3436 (SET_ASM_OP): Define.
3437 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3439 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3442 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3443 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3445 * rs6000.h: Add 'u' to more constants.
3447 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3449 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3451 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3453 * rs6000.c (reg_or_u_cint_operand): New function.
3454 (logical_operand): Handle 64-bit hosts.
3455 (logical_u_operand): New function.
3456 (non_logical_cint_operand): Handle 64-bit hosts.
3457 (non_logical_u_cint_operand): New function.
3458 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3459 (PREDICATE_CODES): Define new functions.
3460 * rs6000-protos.h: Declare new functions.
3461 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3462 (movdi_64): Bracket code intended for 64-bit hosts. Create
3463 CONST_DOUBLE for 32-bit values.
3464 (scc insns): Generate DImode compares.
3465 (mfcr insns): Create DImode versions.
3466 (sge matchers): New patterns.
3468 2000-02-15 Gabriel Paubert <paubert@iram.es>
3470 * rs6000.md: Correct instructions length attributes and
3471 constraints on unsigned compare instructions.
3472 (*ne0): Disable for PowerPC64.
3474 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3476 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3477 quantity, fix profile1.C test failure under -fPIC.
3479 * rs6000.c: Add 'u' to many constants to suppress warnings.
3480 (constant_pool_expr_1): Make static.
3481 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3482 * rs6000.h: Add 'u' to many constants to suppress warnings.
3484 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3485 for the start of the TOC, instead of LCTOC..0.
3486 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3488 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3489 (load_toc_aix_di): Use LCTOC..1.
3491 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3492 * rs6000.c (rs6000_legitimize_address): New function from
3493 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3494 symbols in the constant pool that really are TOC references.
3495 (print_operand_address): For ELF, write TOC offsets under
3496 -fPIC as subtractions in the insn.
3497 (output_toc): For ELF, define symbols in TOC as normal labels,
3499 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3500 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3501 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3502 * rs6000.md (movsi): Only use create_TOC_reference on
3503 symbols in the constant pool that really are TOC references.
3505 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3506 * rs6000.c (rs6000_reorg): Delete.
3507 * rs6000-protos.h (rs6000_reorg): Delete.
3509 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3511 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3513 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3514 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3515 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3516 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3517 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3518 rs6000_aix_emit_builtin_unwind_init.
3519 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3520 rs6000_emit_eh_toc_restore on AIX.
3521 (return_eh_si): Use r2.
3522 (return_eh_di): Use r2.
3524 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3525 since we're breaking binary compatibility anyway.
3527 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3529 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3530 constant_pool_expr_p): Declare them.
3531 (constant_pool_expr_p): Declare it.
3532 * config/rs6000/rs6000.c (toc_label_name): Define.
3533 (rs6000_override_options): Set toc_label_name.
3534 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3535 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3536 uses_TOC): New functions.
3537 (print_operand): Delete old '*' case.
3538 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3539 and strip off rtl for TOC before calling output_addr_const.
3540 (rs6000_emit_load_toc_table): Use toc_label_name.
3541 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3543 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3544 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3545 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3546 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3547 into explicit TOC_REGISTER offsets.
3548 (TOC_REGISTER): New macro.
3549 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3550 TARGET_TOC to reference TOC_REGISTER.
3551 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3552 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3553 uses_TOC before emitting label references.
3555 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3557 * rs6000.md (stack_tie): Fix warning.
3559 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3560 to handle -fleading-underscore.
3561 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3562 (USER_LABEL_PREFIX): New macro.
3563 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3564 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3565 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3566 call-linux can use the same multilibs.
3567 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3568 and call-linux multilibs. Do multilib with -fleading-underscore.
3569 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3570 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3573 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3574 have MASK_SOFT_FLOAT set.
3575 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3576 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3577 CPP_FLOAT_DEFAULT_SPEC.
3579 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3580 * rs6000.md: Whitespace change.
3581 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3582 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3584 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3586 * rs6000.md (eh_epilogue): New expander.
3587 (eh_reg_restore): New expand/split/insn combination.
3588 (return_eh_si): New insn.
3589 (return_eh_di): New insn.
3591 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3592 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3593 * eabi-ctors.c (__do_global_ctors): Register this object's
3594 frame. Clean up. Call atexit() after the constructors.
3595 (__do_global_dtors): Deregister this object's frame. Clean up.
3596 Allow for recursive calls to exit().
3597 * rs6000.c (fixuplabelno): New variable.
3598 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3599 TARGET_RELOCATABLE, it slows down exec() under linux.
3600 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3602 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3603 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3604 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3605 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3606 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3607 (ASM_OUTPUT_DWARF_ADDR): New macro.
3608 (ASM_OUTPUT_DWARF_DATA4): New macro.
3609 (ASM_OUTPUT_DWARF_DATA2): New macro.
3610 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3611 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3612 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3614 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3616 * rs6000.c (rs6000_sr_alias_set): New variable.
3617 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3618 (rs6000_emit_stack_tie): New function.
3619 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3620 in a way that dwarf2out can understand.
3621 (rs6000_frame_related): New function.
3622 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3623 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3624 Use rs6000_emit_stack_tie when needed.
3625 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3626 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3627 * rs6000.md (stack_tie): New insn.
3628 (return_internal_si): Allow return value to be in the count
3630 (return_internal_di): Likewise.
3632 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3634 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3636 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3638 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3640 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3642 * rs6000.md (stmw): Use the right POWER opcode.
3645 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3647 * rs6000-protos.h: New file.
3649 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3651 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3654 * sysv4.h: Likewise.
3656 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3658 * ../../configure.in: Delete powerpcle-*-winnt*
3659 and powerpcle-*-pe|powerpcle-*-cygwin*.
3660 * ../../configure: Regenerated.
3662 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3663 (TARGET_WINDOWS_NT): Delete.
3665 (CALL_NT_DLLIMPORT): Delete.
3666 Delete NT-specific code.
3667 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3670 * nt-ci.asm: Delete.
3671 * nt-cn.asm: Delete.
3672 * ntstack.asm: Delete.
3674 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3676 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3677 (ASM_FILE_START): Likewise.
3678 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3679 (ASM_OUTPUT_LABELREF): Likewise.
3680 (ASM_OUTPUT_SKIP): Likewise.
3681 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3682 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3683 (ASM_OUTPUT_CASE_LABEL): Likewise.
3684 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3685 (ASM_OUTPUT_ASCII): Likewise.
3687 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3689 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3690 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3691 increment rs6000_pic_labelno here.
3692 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3693 and increment rs6000_pic_labelno here.
3695 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3697 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3698 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3699 allocation knows (reg) is dead before the insn.
3701 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3703 * rs6000.md (movsi_to_cr): Correct typo in output template.
3705 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3707 * rs6000.c (rs6000_pic_labelno): Always define.
3708 (rs6000_pic_func_labelno): Delete.
3709 (lmw_operation): Check for a zero base register,
3710 which doesn't mean what we want.
3711 (stmw_operation): New function.
3712 (print_operand): Define new 'l' modifier.
3713 (rs6000_stack_info): We must save all 64 bits of the registers
3714 if TARGET_POWERPC64.
3715 (rs6000_output_load_toc_table): Delete.
3716 (rs6000_emit_load_toc_table): New function.
3717 (rs6000_allocate_stack_space): Delete.
3718 (rs6000_emit_allocate_stack): New function.
3719 (rs6000_emit_prologue): New function.
3720 (output_prolog): Use rs6000_emit_prologue.
3721 (rs6000_emit_epilogue): Change a few variable names to be
3722 more accurate. Restore all 64 bits of the registers if
3723 TARGET_POWERPC64. Only restore the FP registers which were used
3724 if they are being saved/restored one-at-a-time.
3725 (output_mi_thunk): Delete inefficient code generation.
3726 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3727 * rs6000.h: Declare rs6000_emit_load_toc_table,
3728 rs6000_allocate_stack_space, stmw_operation. Don't declare
3729 rs6000_output_load_toc_table.
3730 * rs6000.md (elf_high): Allow register 0, but discourage it
3732 (elf_low): Support loading into register 0.
3733 (load_toc_aix_si): New pattern.
3734 (load_toc_aix_di): New pattern.
3735 (load_toc_v4_pic_si): New pattern.
3736 (load_toc_v4_pic_di): New pattern.
3737 (load_toc_v4_PIC_1): New pattern.
3738 (load_toc_v4_PIC_1b): New pattern.
3739 (load_toc_v4_PIC_2): New pattern.
3740 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3741 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3742 (prologue): New expander.
3743 (movesi_from_cr): New pattern.
3744 (stmw): New pattern.
3745 (save_fpregs_si): New pattern.
3746 (save_fpregs_di): New pattern.
3748 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3750 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3755 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3757 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3759 (movsi_got_internal): Likewise.
3760 (movsi_got_internal+1): Likewise.
3761 (set_sp): 'unspec 7' does a SImode clobber.
3763 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3765 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3766 allocate a stack temporary.
3767 (floatsidf2_internal): Likewise.
3768 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3770 (floatunssidf2): Don't use the fpmem "register", just
3771 allocate a stack temporary.
3772 (floatunssidf2_internal): Likewise.
3773 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3775 (floatsidf2_loadaddr): Delete.
3776 (floatsidf2_store1): Delete.
3777 (floatsidf2_store2): Delete.
3778 (floatsidf2_load): Delete.
3779 (fix_truncdfsi2): Don't use the fpmem "register", just
3780 allocate a stack temporary.
3781 (fix_truncdfsi2_internal_si): Delete.
3782 (fix_truncdfsi2_internal_di): Delete.
3783 (fix_truncdfsi2_internal): New insn.
3784 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3785 (fix_truncdfsi2_store): Delete.
3786 (fix_truncdfsi2_load): Delete.
3787 (fctiwz): Produce gen_fctiwz.
3789 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3791 * eabi.h (INVOKE__main): Define.
3792 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3794 (rs6000_emit_prologue): Likewise.
3795 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3796 this is the main program.
3798 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3800 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3802 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3804 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3805 goes after the argument.
3807 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3809 * rs6000.md: Document 'unspec' values used.
3810 (epilogue): New expander.
3811 (movesi_to_cr_one): New expander.
3812 (movesi_to_cr and following): New pattern.
3814 (return_internal_si): New pattern.
3815 (return_internal_di): New pattern.
3816 (return_and_restore_fpregs_si): New pattern.
3817 (return_and_restore_fpregs_di): New pattern.
3818 * rs6000.h: Declare new functions.
3819 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3820 rather than rs6000_calls_p.
3821 (rs6000_makes_calls): Delete.
3822 (lmw_operation): New function.
3823 (mtcrf_operation): New function.
3824 (rs6000_emit_epilogue): New function.
3825 (output_epilog): Call rs6000_emit_epilogue and final if
3826 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3828 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3830 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3831 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3832 * aix.h (SUBTARGET_SWITCHES): Document switches.
3833 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3834 sched-prolog and sched-epilog the same. Document all the
3836 (TARGET_OPTIONS): No longer allow -mdebug-.
3838 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3840 * rs6000.h (ASM_FILE_END): Move to aix.h.
3841 (EXTRA_SECTIONS): Move to aix.h.
3842 (READONLY_DATA_SECTION): Move to aix.h.
3843 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3844 (SELECT_SECTION): Move to aix.h.
3845 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3846 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3847 (LINK_REGISTER_REGNUM): New definition.
3848 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3849 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3851 * sysv4.h: Delete the code between the inclusion of rs6000.h
3853 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3854 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3855 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3856 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3857 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3858 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3859 (fix_truncdfsi2_internal_di): New pattern.
3860 (fix_truncdfsi2_store): The second arg here is Pmode too.
3861 (fix_truncdfsi2_load): The second arg here is Pmode too.
3862 (tablejumpdi): Now that switch tables hold only SImode values,
3863 gcc needs to know how to add them to the pc which is DImode.
3864 * rs6000.c (rs6000_stack_info): Use symbolic name for
3865 LINK_REGISTER_REGNUM.
3866 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3867 (output_toc): Delete unused variables s1 and s2.
3868 (output_ascii): Use fputs not fprintf on a variable string.
3870 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3872 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3873 * aix43.h: Revert Aug 2 change.
3874 (HAS_INIT_SECTION): Define, not visible yet.
3875 (LD_INIT_SWITCH): Define, not visible yet.
3876 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3878 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3880 * config/rs6000/rtems.h: Include config/rtems.h.
3882 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3884 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3885 (SLOW_UNALIGNED_ACCESS): Define.
3886 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3887 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3888 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3889 (toc_section): Likewise and .toc pseudo-op.
3890 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3892 (TEXT_SECTION_ASM_OP): Likewise.
3893 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3896 1999-12-17 Jakub Jelinek <jakub@redhat.com>
3898 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
3899 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
3902 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3904 * rs6000.h: Move more stuff from here...
3906 * sysv4.h: Cleanup accordingly.
3907 * netware.h: Likewise
3909 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3911 * rs6000.h: Continue cleanup.
3914 * netware.h: Likewise.
3916 * sysv4.h: Likewise.
3917 * win-nt.h: Likewise.
3919 * rs6000.h (TARGET_SWITCHES): Add descriptions.
3920 (TARGET_OPTIONS): Likewise.
3922 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
3923 (SUBTARGET_OPTIONS): Likewise.
3925 * rs6000.md: Fix compile time warnings.
3927 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3929 vxworks patches from the Cygnus tree originally by
3930 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
3931 <vmakarov@cygnus.com>.
3932 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
3933 (ENDFILE_SPEC): Likewise.
3934 (LIB_VXWORKS_SPEC): New macro.
3935 (STARTFILE_VXWORKS_SPEC): New macro.
3936 (ENDFILE_VXWORKS_SPEC): New macro.
3937 (LINK_START_VXWORKS_SPEC): New macro.
3938 (LINK_OS_VXWORKS_SPEC): New macro.
3939 (CPP_OS_VXWORKS_SPEC): New macro.
3940 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
3941 * vxppc.h: Rewrite to use proper configuration method.
3942 * vxppcle.h: New file.
3943 * ../../configure.in: Add powerpcle-wrs-vxworks*.
3944 * ../../configure: Rebuilt.
3946 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3948 Lots of changes to rs6000.h, sysv4.h, aix.h,
3949 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
3950 with the aim that rs6000.h is the first header
3951 included and the others override it.
3954 * x-aix41-gld: Remove.
3956 * x-aix41: Remove target-specific switches, and don't specify
3957 -Wl,-bbigtoc as we don't need it any more.
3958 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
3959 Use t-aix43 for AIX 4.3 and above.
3960 * ../../configure: Regenerated.
3962 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
3963 options, that don't do anything yet.
3964 (MASK_SCHED_PROLOG): New macro.
3965 (MASK_SCHED_EPILOG): New macro.
3966 (TARGET_SCHED_PROLOG): New macro.
3967 (TARGET_SCHED_EPILOG): New macro.
3969 2000-01-04 Geoff Keating <geoffk@cygnus.com>
3971 * rs6000.c: Correct comment, the `minimal' TOCs are actually
3972 one per translation unit, not one per function.
3973 (output_toc): Also do duplicate constant elimination
3974 for per-translation-unit TOCs.
3976 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
3977 a comment explaining _exactly_ when this pattern gets used.
3978 (builtin_setjmp_receiver): New pattern for better clarity.
3979 (init_v4_pic): Move it into a section dealing with TOC registers.
3981 1999-12-30 Geoff Keating <geoffk@cygnus.com>
3983 * rs6000.c (toc_hash_table): New variable.
3984 (rs6000_hash_constant): New function.
3985 (toc_hash_function): New function.
3986 (toc_hash_eq): New function.
3987 (toc_hash_mark_entry): New function.
3988 (toc_hash_mark_table): New function.
3989 (output_toc): Don't output duplicate TOC entries in
3991 (rs6000_add_gc_roots): Add the hash table as a GC root.
3992 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
3993 where they clearly shouldn't be. This may need to be fixed
3994 later when there is a GNU ar for AIX.
3995 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
3996 Don't define BOOT_LDFLAGS as it is now not necessary.
3998 1999-12-29 Geoff Keating <geoffk@cygnus.com>
4000 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
4001 for va_list on AIX. Use unsigned_char_type_node rather than
4002 constructing our own version on svr4.
4004 1999-12-17 Geoff Keating <geoffk@cygnus.com>
4006 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
4007 since patently it's not.
4009 1999-12-08 Geoff Keating <geoffk@cygnus.com>
4011 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
4012 define_expand/define_insn pair, and handle restore of the
4013 SVR4 -fpic register.
4015 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
4017 * acconfig.h (HAVE_GAS_WEAK): New define.
4018 * configure.in (assembler weak support): Check for .weak support.
4019 * config.in, configure: Rebuilt.
4020 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
4021 HAVE_GAS_WEAK is defined.
4023 2000-03-15 Nick Clifton <nickc@cygnus.com>
4025 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
4028 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
4030 * cppfiles.c (open_include_file): New function.
4031 (find_include_file, cpp_read_file): Use it.
4033 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4035 * cpphash.c (dump_hash_helper): Take the slot, not the element.
4037 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
4039 * flow.c (verify_flow_info): Check for unconditional return.
4041 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
4043 * config/ia64/ia64.md (restore_stack_nonlocal): New.
4044 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
4045 (__ia64_restore_stack_nonlocal): New.
4046 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
4048 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4050 * cpphash.c (collect_formal_parameters): Do not complain about
4051 parameter names that just start with `__VA_ARGS__'.
4053 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
4055 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
4056 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
4057 * i386.c (pentiumpro_cost): Set mul cost to 4.
4058 (x86_use_movx): Set for PPro.
4060 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
4062 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
4063 STACK_BOUNDARY for empty frames now.
4065 2000-03-14 Mark Mitchell <mark@codesourcery.com>
4067 * stor-layout.c (layout_union): Remove.
4068 (layout_union_field): New function, split out from layout_union.
4069 (finish_union_layout): Likewise.
4070 (layout_field): Handle unions by calling layout_union_field.
4071 (finish_record_layout): Handle unions.
4072 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
4073 QUAL_UNION_TYPE handling.
4075 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
4077 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
4078 end of basic block is jump_insn, not barrier; use create_basic_block
4079 instead of creating basic block by hand.
4081 2000-03-14 Jason Eckhardt <jle@cygnus.com>
4083 * flow.c (reorder_basic_blocks): Account for barriers when writing
4084 over NEXT_INSN (last_bb->end).
4085 (verify_flow_info): Add check for missing barriers.
4087 2000-03-14 Greg McGary <gkm@gnu.org>
4089 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
4090 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
4091 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
4092 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
4093 __unbounded, __unbounded__): New keywords.
4094 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
4095 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
4096 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
4098 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
4100 * cselib.h: New file.
4101 * alias.c: Include "cselib.h".
4102 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
4103 MEMs as two new arguments.
4104 (get_addr): New static function.
4105 (find_base_term): Handle VALUEs.
4106 (memrefs_conflict_p): Likewise.
4107 (true_dependence): Call get_addr on the addresses.
4108 Call fixed_scalar_and_varying_struct_p with addresses that have been
4109 passed through get_addr and canon_rtx.
4110 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
4111 with true_dependence.
4112 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
4113 * loop.c: Include "cselib.h".
4114 (load_mems): Process extended basic block that enters the loop with
4115 cselib. Use that information to change initialization of the shadow
4116 register so that a constant equivalence is seen by later passes.
4117 * reload1.c: Include "cselib.h".
4118 (reload_cse_invalidate_regno): Delete function.
4119 (reload_cse_mem_conflict_p): Likewise.
4120 (reload_cse_invalidate_mem): Likewise.
4121 (reload_cse_invalidate_rtx): Likewise.
4122 (reload_cse_regno_equal_p): Likewise.
4123 (reload_cse_check_clobber): Likewise.
4124 (reload_cse_record_set): Likewise.
4125 (reg_values): Delete static variable.
4126 (invalidate_regno_rtx): Likewise.
4127 (reload_cse_delete_noop_set): New static function.
4128 (reload_cse_simplify): New static function, broken out of
4130 (reload_cse_noop_set_p): Delete unused argument INSN.
4131 Just call rtx_equal_for_cselib_p on set source and destination.
4132 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4133 reload_cse_delete_noop_set. Delete code to keep track of values; use
4134 cselib functions instead. Delete code to push/pop obstacks.
4135 (reload_cse_simplify_set): Use cselib to find equivalent values.
4136 Delete code to push/pop obstacks.
4137 (reload_cse_simplify_operands): Likewise.
4138 * rtl.def (VALUE): New rtx code.
4139 * rtl.h (union rtunion_def): New elt rt_cselib.
4140 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4141 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4142 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4143 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4144 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4145 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4146 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4147 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4148 cselib_record_set, cselib_record_sets): New static functions.
4149 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4150 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4151 references_value_p): New functions.
4152 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4153 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4154 n_useless_values, reg_values, callmem, cselib_obstack,
4155 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4156 New static variables.
4157 * varray.h (union varray_data_tag): New elt te.
4158 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4159 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4162 2000-03-14 Nick Clifton <nickc@cygnus.com>
4164 * gcc.c (do_spec_1): Catch the case where %* is used in a
4165 substitution pattern, but it has not been initialised.
4166 Issue a meaningful error message if an unrecognised operator
4167 is encountered in a spec string.
4169 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4171 * function.c (prepare_function_start): Correctly initialize
4172 cfun->stack_alignment_needed.
4174 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4176 * cppfiles.c (find_include_file): Don't assume nshort is a
4179 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4181 * configure.in (hppa configurations): Add pa32-regs.h to the
4182 list of tm files as appropriate.
4183 * configure: Rebuilt.
4184 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4186 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4187 (fmpyaddoperands, fmpysuboperands): Likewise.
4188 * pa.h: Remove various definitions which depend on knowing
4189 how registers are numbered.
4190 * pa32-regs.h: New file with PA32 register numbering specific
4193 2000-03-14 Richard Henderson <rth@cygnus.com>
4195 * regmove.c (combine_stack_adjustments): New.
4196 (stack_memref_p, single_set_for_csa): New.
4197 (free_csa_memlist, record_one_stack_memref): New.
4198 (try_apply_stack_adjustment): New.
4199 (combine_stack_adjustments_for_block): New.
4200 * rtl.h (combine_stack_adjustments): Declare.
4201 * toplev.c (rest_of_compilation): Call it.
4203 * i386.md: Revert 2000-01-16 change.
4205 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4207 * gccbug.in: Add web category, gcc specific classes.
4209 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4211 * stor-layout.c (finalize_record_size): Fix typo.
4213 2000-03-14 Stan Shebs <shebs@apple.com>
4215 * c-typeck.c (c_alignof): Error on incomplete types.
4216 * extend.texi (Alignment): Document this.
4218 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4220 * cppfiles.c: Include mkdeps.h.
4221 (find_include_file, read_include_file): Remove _cpp_ prefix
4222 from name, make static.
4223 (_cpp_execute_include): New function, broken out of
4226 * cpplib.c: Don't include mkdeps.h.
4227 (struct directive): Remove type field. Reorder entries. The
4228 function takes only one argument.
4229 (struct if_stack): Make type field an int.
4230 (directive_table): Rename to dtable. Generate it, the
4231 prototypes of the directive handlers, and the enum for the
4232 directive numbers, from a template macro.
4233 (do_ifndef, do_include_next, do_import): New functions.
4234 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4235 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4236 do_ident, do_assert, do_unassert, do_sccs): Take only one
4238 (do_sccs): Define always, but alter behavior based on
4240 (_cpp_handle_directive, consider_directive_while_skipping):
4241 Restructure for new directive table layout.
4243 (pass_thru_directive): Take a directive number, not a pointer
4244 to a struct directive.
4245 (parse_include): New function, broken out of do_include.
4246 (do_include, do_import, do_include_next): Use parse_include
4247 and _cpp_execute_include.
4248 (do_elif, do_else): Test for T_ELSE specifically when checking
4249 for #elif/#else after #else.
4250 (parse_ifdef): New function, broken out of do_ifdef.
4251 (validate_else): Expect a name arg without a leading #.
4252 (if_directive_name): Delete.
4253 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4254 directive handlers with only one argument.
4256 * cpphash.h: Update prototypes.
4257 (enum node_type): Remove entries for directives.
4258 * Makefile.in: Update dependencies.
4260 * cpphash.c (dump_hash_helper): Only dump nodes of type
4261 T_MACRO. Emit a newline after each definition.
4263 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4265 * gccbug.in: New file.
4266 * configure.in (all_outputs): Add gccbug.
4267 * Makefile.in (install-common): Install gccbug.
4268 (GCCBUG_INSTALL_NAME): New variable.
4269 * configure: Rebuilt.
4271 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4273 * function.c (put_var_into_stack): Use type_for_mode to calculate
4274 part_type. Use MEM_SET_IN_STRUCT_P.
4275 * expr.c (store_field): Handle CONCAT.
4276 (store_constructor): Use fields_length.
4277 * tree.c (fields_length): New fn.
4278 * tree.h: Declare it.
4280 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4282 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4283 (cpplex.o): New target.
4284 * po/POTFILES.in: Add cpplex.c.
4286 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4287 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4288 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4289 skip_block_comment, skip_line_comment, skip_comment,
4290 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4291 _cpp_parse_name, skip_string, parse_string,
4292 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4293 _cpp_get_directive_token, find_position,
4294 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4295 (maybe_macroexpand, _cpp_lex_token): New functions.
4297 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4298 parse_goto_mark): Delete.
4299 (_cpp_handle_eof): New function.
4300 (_cpp_handle_directive): Rename from handle_directive.
4301 (_cpp_output_line_command): Rename from output_line_command.
4302 (do_if, do_elif): Call _cpp_parse_expr directly.
4303 * cppfiles.c (_cpp_read_include_file): Don't call
4304 init_input_buffer here.
4305 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4306 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4307 here; pop the token_buffer and skip the rest of the line here.
4308 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4311 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4313 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4314 CPP_GOTO_MARK): New macros.
4315 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4316 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4317 _cpp_read_and_prescan, _cpp_init_input_buffer,
4318 _cpp_grow_token_buffer, _cpp_get_directive_token,
4319 _cpp_handle_directive, _cpp_handle_eof,
4320 _cpp_output_line_command): Prototype them here.
4321 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4322 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4323 quote_string, output_line_command): Remove.
4325 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4327 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4328 whether it is too large we must also verify that it isn't negative.
4330 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4332 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4333 (movsi_zero_liveg0): Remove.
4334 (movsf_insn_novis_liveg0): Remove.
4336 (negsi2_not_liveg0): Rename to negsi2.
4337 (one_cmplsi2): Remove.
4338 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4339 (one_cmplsi2_liveg0): Remove.
4340 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4341 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4342 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4343 (PREDICATE_CODES): Remove zero_operand.
4344 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4345 TARGET_BROKEN_SAVERESTORE.
4346 (zero_operand): Remove.
4347 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4348 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4350 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4351 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4352 TARGET_BROKEN_SAVERESTORE): Remove.
4353 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4355 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4357 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4360 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4362 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4364 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4365 truncating a string. Don't assume tokens are nul terminated.
4366 Problem noted by Andreas Jaeger <aj@suse.de>
4368 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4370 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4371 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4372 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4374 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4376 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4377 STRUCTURE_SIZE_BOUNDARY.
4379 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4381 * tree.h (record_layout_info_s): New structure.
4382 (record_layout_info): New type.
4383 (new_record_layout_info): New function.
4384 (layout_field): Likewise.
4385 (finish_record_layout): Likewise.
4386 * stor-layout.c (layout_record): Remove.
4387 (new_record_layout_info): New function.
4388 (layout_field): New function, broken out from layout_record.
4389 (finalize_record_size): Likewise.
4390 (compute_record_mode): Likewise.
4391 (finalize_type_size): New function, broken out from layout_type.
4392 (finish_record_layout): Likewise.
4393 (layout_type): Use them.
4395 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4397 * cpphash.c: Don't include version.h.
4398 (special_symbol) [case T_VERSION]: Look for the string in
4399 hp->value.cpval; don't use version_string.
4400 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4401 __VERSION__ to version_string.
4402 * Makefile.in (cpphash.o): Update deps.
4404 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4406 Convert cpplib to use libiberty/hashtab.c.
4408 * cpplib.h (struct cpp_reader): Make hashtab and
4409 all_include_files of type 'struct htab *'. Delete HASHSIZE
4410 and ALL_INCLUDE_HASHSIZE macros.
4412 * cpphash.h: Update prototypes.
4413 (struct hashnode): Remove next, prev, and bucket_hdr members.
4414 Make length a size_t. Add hash member.
4415 (struct ihash): Remove next member. Add hash member. Make
4416 name a flexible array member.
4418 * cppfiles.c: Include hashtab.h.
4419 (include_hash): Delete.
4420 (IHASHSIZE): New macro.
4421 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4422 (cpp_included): Do the hash lookup here.
4423 (_cpp_find_include_file): Rewrite.
4424 (cpp_read_file): Put the "fake" hash entry into the hash
4425 table. Honor the control_macro, if it turns out we've seen
4426 the file before. Don't push the buffer here.
4427 (_cpp_read_include_file): Push the buffer here.
4428 (OMODES): New macro. Use it whenever we call open(2).
4430 * cpphash.c: Include hashtab.h.
4431 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4432 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4433 _cpp_lookup_slot): New functions.
4434 (HASHSIZE): new macro.
4435 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4436 (_cpp_lookup): Use hashtab.h routines.
4438 * cppinit.c: Include hashtab.h.
4439 (cpp_reader_init): Call _cpp_init_macro_hash and
4440 _cpp_init_include_hash. Don't allocate hashtab directly.
4441 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4442 pfile->all_include_files.
4443 (initialize_builtins): Use _cpp_make_hashnode and
4444 htab_find_slot to add hash entries.
4445 (cpp_finish): Just call _cpp_dump_macro_hash.
4446 * cpplib.c: Include hashtab.h.
4447 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4448 create hash entries.
4449 (do_pragma_poison, do_assert): Likewise.
4450 (do_include): Don't push the buffer here. Don't increment
4451 system_include_depth unless _cpp_read_include_file succeeds.
4452 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4454 (do_pragma_implementation): Use alloca to create copy.
4456 * Makefile.in: Update dependencies.
4458 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4460 * cppinit.c (cl_directive_handler): More K&R fixing.
4462 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4464 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4466 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4468 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4470 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4471 Change from char[] to macros.
4473 2000-03-12 Neil Booth <NeilB@earthling.net>
4475 * cppinit.c (cpp_start_read): Update indirect function
4478 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4480 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4483 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4484 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4486 2000-03-11 Neil Booth <NeilB@earthling.net>
4488 * cppinit.c (struct pending option): Replace undef with a
4489 pointer to a directive handling routine.
4490 (struct cpp_pending): Replace separate assert_ and define_
4491 lists with one directive_ list.
4492 (new_pending_define): Rename new_pending_directive. Extra
4493 argument is the directive's handling routine.
4494 (handle_option): Update to use new_pending_directive.
4496 2000-03-11 Neil Booth <NeilB@earthling.net>
4498 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4499 remap_filename, _cpp_read_include_file, actual_directory,
4500 hack_vms_include_specification): Replace bcopy(), index() etc
4501 calls. Add casts to some allocations. Make some variables
4502 pointers to const [unsigned] char.
4503 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4504 collect_formal_parameters): Similarly.
4505 * cppinit.c (struct pending_option, append_include_chain,
4506 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4507 cpp_start_read, new_pending_define, handle_option): Similarly.
4508 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4509 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4510 do_pragma_implementation, detect_if_not_defined,
4511 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4512 do_assert, do_unassert): Similarly.
4513 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4514 function prototypes.
4515 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4517 2000-03-10 Richard Henderson <rth@cygnus.com>
4519 * builtins.c (expand_builtin_strlen): Revert last change.
4520 Use emit_insn_before if we're at the beginning of a sequence.
4522 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4524 * builtins.c (expand_builtin_strlen): Make sure that we have something
4525 at the beginning of the sequence.
4527 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4530 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4532 2000-03-10 Richard Henderson <rth@cygnus.com>
4534 * except.c (can_throw): Use INTVAL on a CONST_INT.
4535 (reachable_handlers): Likewise.
4536 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4538 2000-03-10 Andreas Jaeger <aj@suse.de>
4540 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4541 MD_STARTFILE_PREFIX since those are not needed on linux.
4542 (ASM_FILE_START): New, from mips/gnu.h.
4544 2000-03-09 Richard Henderson <rth@cygnus.com>
4545 Alex Samuel <samuel@codesourcery.com> and others
4547 * Makefile.in (ssa.o): New rule.
4549 (STAGESTUFF): Add *.ssa and *.ussa.
4550 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4551 * rtl.def (PHI): New RTL expression.
4552 * rtl.h (clear_log_links): New declaration.
4553 (convert_to_ssa): Likewise.
4554 (convert_from_ssa): Likewise.
4555 * flow.c (split_edge): If the entry node falls through to the
4556 split edge's source block, split the entry edge.
4557 (clear_log_links): New function.
4558 * toplev.c (ssa_dump): New variable.
4559 (flag_ssa): Likewise.
4560 (f_options): Add "ssa".
4561 (compile_file): Create SSA dump files.
4562 (rest_of_compilation): Go to and from SSA if enabled.
4563 (decide_d_option): Handle -de for SSA dump files.
4566 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4568 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4571 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4573 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4575 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4577 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4578 (MD_STARTFILE_PREFIX_1): New macro.
4580 2000-03-09 Robert Lipe <robertl@sco.com>
4582 * config/ia64/ia64.c: Include system.h.
4584 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4586 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4587 (init_eh_nesting_info): Likewise.
4589 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4590 (TREE_NOTHROW): Rename from TREE_RAISES.
4591 * toplev.c (rest_of_compilation): Set it.
4592 * print-tree.c (print_node): Adjust.
4593 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4594 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4595 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4596 REG_EH_REGION note as appropriate.
4597 (libfunc_nothrow): New fn.
4598 (emit_library_call, emit_library_call_value): Use it.
4599 (expand_call): Check TREE_NOTHROW.
4601 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4602 DECL_ASSEMBLER_NAME.
4604 2000-03-09 Andreas Jaeger <aj@suse.de>
4606 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4607 (TARGET_MEM_FUNCTIONS): Define.
4609 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4611 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4613 * except.c (can_throw): See through a SEQUENCE.
4614 (nothrow_function_p): New fn.
4615 * except.h: Declare it.
4616 * function.c (current_function_nothrow): New var.
4617 (prepare_function_start): Initialize it.
4618 * output.h: Declare it.
4619 * toplev.c (rest_of_compilation): Set it.
4620 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4622 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4624 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4625 match. (cpp_compare_defs): Count the nul separator when
4626 advancing over argument names.
4628 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4630 * recog.c (preprocess_constraints): Matching constraints affect
4631 same alternative/different operand, not same operand/different
4634 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4635 register and a constant specially.
4637 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4639 * libgcc2.h: New file.
4640 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4642 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4644 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4645 * configure: Regenerate.
4648 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4650 * Makefile.in (LIBCPP_DEPS): New macro.
4651 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4653 * cpperror.c: Include cpphash.h.
4654 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4656 (lex): Don't use CPP_WARN_UNDEF.
4657 (_cpp_parse_expr): Return an int, the truth value.
4658 * cppfiles.c: Include cpphash.h.
4659 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4660 * cppinit.c (include_defaults_array): Disentangle.
4661 (cpp_cleanup): Don't free the if stack here.
4662 (cpp_finish): Pop off all buffers, not just one.
4663 * cpplib.c (eval_if_expr): Return int.
4664 (do_xifdef): Rename do_ifdef.
4665 (handle_directive): Don't use CPP_PREPROCESSED.
4666 (cpp_get_token): Don't use CPP_C89.
4667 * fix-header.c: Don't use CPP_OPTIONS.
4669 * cpplib.h: Move U_CHAR, enum node_type, struct
4670 file_name_list, struct ihash, is_idchar, is_idstart,
4671 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4672 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4673 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4674 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4675 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4676 of _cpp_simplify_pathname, _cpp_find_include_file,
4677 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4678 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4680 Change all uses of U_CHAR to be unsigned char instead.
4681 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4683 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4685 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4686 (dwarf2out_begin_prologue): Set it.
4687 (output_call_frame_info): Don't emit EH unwind info for leaves.
4689 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4690 can occur outside of an EH region.
4691 * except.c: Correct comments about rethrow behavior.
4692 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4694 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4696 * flow.c (make_edges): Always call make_eh_edge for calls.
4698 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4700 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4701 (struct cpp_buffer): Remove fname and underflow fields.
4702 (struct cpp_reader): Remove get_token field.
4703 (struct include_hash): Rename to struct ihash. Add typedef to
4705 (struct if_stack): Remove fname field.
4706 (IF_STACK_FRAME): Rename to IF_STACK.
4708 * cpperror.c (print_containing_files): Trust that there are no
4709 macro buffers below the top file buffer.
4710 * cppfiles.c: Replace all references to 'struct include_hash'
4711 with 'IHASH'. Rename initialize_input_buffer to
4712 init_input_buffer. Don't set or reference cpp_buffer->fname,
4713 use buffer->ihash->name instead.
4714 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4715 not CPP_NULL_BUFFER.
4716 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4717 IF_STACK_FRAME, IHASH not struct include_hash.
4718 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4719 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4720 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4721 references to cpp_buffer->fname (delete entirely, or use
4722 ->ihash->name instead) and IF_STACK->fname.
4723 (cpp_push_buffer): Don't set new->underflow.
4724 (do_include): Use cpp_file_buffer.
4726 * cpphash.c (collect_formal_parameters): Remove duplicate
4727 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4728 used as a macro argument name. Don't append "..." to namebuf
4729 for varargs macros. After we're done scanning, go through
4730 namebuf and make it NUL separated, not comma separated.
4731 (_cpp_compare_defs): Remove register tag from variables.
4732 Expect defn->argnames to be NUL separated.
4733 (_cpp_dump_definition): Expect defn->argnames to be NUL
4734 separated and in forward order.
4735 * cpphash.h: Update documentation of argnames field.
4737 2000-03-08 Richard Henderson <rth@cygnus.com>
4739 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4740 to fail. Don't pre-expand the source operand.
4742 * i386.md (strlensi): Initialize eoschar and align before use.
4744 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4746 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4747 CONSTRUCTOR element.
4749 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4751 * mips.c (mips_expand_prologue): If the last
4752 named argument is the vararg marker "va_list", treat it as
4753 an unnamed argument.
4755 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4757 * dbxout.c (dbxout_parms): When correcting for promoted
4758 big-endian parameters, use the mode of the DECL_RTL rather
4759 than UNITS_PER_WORD.
4761 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4763 * c-common.h (make_fname_decl): Declare.
4764 * c-common.c (make_fname_decl): Define.
4765 (declare_hidden_char_array): Remove.
4766 (declare_function_name): Use make_fname_decl.
4767 * c-decl.c (c_make_fname_decl): New function.
4768 (init_decl_processing): Set make_fname_decl.
4770 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4772 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4774 2000-03-07 Philipp Thomas <pthomas@suse.de>
4776 * po/POTFILES.in: Remove cppalloc.c from file list.
4778 2000-03-07 Steve Chamberlain <sac@pobox.com>
4780 * pj.c (pj_expand_prologue): current_function->args_info is
4781 now current_function_args_info.
4783 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4784 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4785 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4787 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4789 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4790 output as hexadecimal rather than the default octal.
4792 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4794 * cpphash.c (special_symbol): Fix thinko in previous commit.
4796 2000-03-07 Neil Booth <NeilB@earthling.net>
4798 * cppexp.c (struct operation, left_shift, right_shift,
4799 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4800 "int"s to "unsigned int"s.
4801 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4803 * cpplib.h: Update for above.
4804 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4805 returned from allocations.
4807 * cppinit.c (opt_comp, parse_options): New functions.
4808 (handle_option): Use parse_option to parse a single command
4809 line option, that possibly takes an argument.
4810 (cpp_handle_options): Sort the array of command line options on
4811 first invocation (non-ASCII hosts only).
4812 (print_help): Update.
4814 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4816 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4817 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4819 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4821 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4823 * cpperror.c (cpp_print_containing_files,
4824 cpp_print_file_and_line, v_cpp_message): Rename to
4825 print_containing_files, print_file_and_line, and v_message.
4826 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4827 to _cpp_parse_expr, parse_escape, and lex.
4828 (parse_charconst): Remove broken multibyte support.
4829 * cppfiles.c (include_hash): Make static.
4830 (cpp_included): New function.
4831 (merge_include_chains, find_include_file, finclude,
4832 simplify_pathname): Rename to _cpp_merge_include_chains,
4833 _cpp_find_include_file, _cpp_read_include_file, and
4834 _cpp_simplify_pathname.
4835 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4836 cpp_install, create_definition, macroexpand, compare_defs,
4837 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4838 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4839 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4840 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4842 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4844 * cpphash.h: Update prototypes.
4845 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4847 2000-03-07 Andrew Haley <aph@cygnus.com>
4849 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4850 PTRDIFF_TYPE should be based solely on Pmode.
4853 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4855 * rtl.h (rtunion_def): Constify member `rtstr'.
4856 (emit_line_note_after, emit_line_note, emit_line_note_force,
4857 emit_note, decode_asm_operands): Constify.
4859 * cse.c (canon_hash): Likewise.
4861 * dbxout.c (dbxout_block): Likewise.
4863 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4864 v_warning_for_asm): Likewise.
4866 * dwarfout.c (function_start_label): Likewise.
4868 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4869 emit_line_note_force): Likewise.
4871 * final.c (last_filename, asm_insn_count, final_scan_insn,
4872 output_source_line): Likewise.
4874 * function.h (struct emit_status): Likewise.
4876 * gcse.c (hash_expr_1): Likewise.
4878 * genattr.c (gen_attr, main): Likewise.
4880 * genattrtab.c (struct function_unit, current_alternative_string,
4881 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4882 attr_numeral, check_attr_test, check_attr_value,
4883 convert_set_attr_alternative, convert_set_attr,
4884 compute_alternative_mask, simplify_by_exploding, gen_attr,
4885 gen_unit): Likewise.
4887 * genflags.c (gen_insn): Likewise.
4889 * gengenrtl.c (type_from_format): Likewise.
4891 * genopinit.c (gen_insn): Likewise.
4893 * genoutput.c (n_occurrences, process_template, process_template):
4896 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4899 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
4902 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
4903 ggc_set_mark, ggc_get_size): Likewise.
4905 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
4907 * optabs.c (init_one_libfunc): Likewise.
4909 * output.h (assemble_start_function): Likewise.
4911 * recog.c (decode_asm_operands): Likewise.
4913 * toplev.c (rest_of_compilation): Likewise.
4915 * tree.h (emit_line_note_after, emit_line_note,
4916 emit_line_note_force): Likewise.
4918 * varasm.c (asm_output_bss, asm_output_aligned_bss,
4919 asm_emit_uninitialised, assemble_start_function,
4920 assemble_variable, const_hash, compare_constant_1,
4921 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
4923 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
4925 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
4927 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
4929 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
4931 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
4932 arm_dllimport_name_p): Likewise.
4934 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
4937 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
4939 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4941 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
4942 arm_mark_dllexport, arm_mark_dllimport,
4943 arm_pe_encode_section_info): Likewise.
4945 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
4946 ASM_FINISH_DECLARE_OBJECT): Likewise.
4948 * arm/thumb.c (thumb_function_prologue): Likewise.
4950 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
4952 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4954 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
4956 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
4958 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
4960 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4962 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
4963 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
4965 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
4967 * i386/i386.c (asm_output_function_prefix): Likewise.
4969 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
4971 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4973 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
4975 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
4976 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
4977 ASM_OUTPUT_SECTION_NAME): Likewise.
4979 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
4981 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
4983 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
4985 * m32r/m32r.c (m32r_encode_section_info): Likewise.
4987 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4989 * mcore/mcore.c (mcore_encode_section_info): Likewise.
4991 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4993 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4995 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
4997 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
4999 * mips/mips.md (movdi, movsi): Likewise.
5001 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5003 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5005 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5007 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
5008 ASM_OUTPUT_ASCII): Likewise.
5010 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
5011 output_mi_thunk, output_toc): Likewise.
5013 * rs6000/rs6000.md (movsi): Likewise.
5015 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
5017 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
5019 * v850/v850.c (print_operand, print_operand_address,
5020 v850_encode_data_area): Likewise.
5022 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
5024 * config/mips/mips.md (zero_extendsidi2): Always force operand
5025 one to memory for mips16.
5027 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5029 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
5030 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
5031 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
5032 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
5033 (min_precision): Result is unsigned.
5034 (add_double, neg_double, mul_double): Low word is unsigned.
5035 (lshift_double, rshift_double, lrotate_double): Likewise.
5036 (rrotate_double, div_and_round_double): Likewise.
5037 (tree_floor_log2, compare_tree_int): New functions.
5038 (preserve_rtl_expr_temps): New declaration.
5039 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
5040 (decl_attributes): Use tree_log2 to find alignment.
5041 Check for TREE_INT_CST_HIGH for format args.
5042 (min_precision): Now unsigned.
5043 Use tree_floor_log2.
5044 (truthvalue_conversion): Delete long-disabled code.
5045 * c-decl.c (finish_struct): Clean up tests on field width.
5046 (finish_function): Use compare_tree_int.
5047 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
5048 * c-typeck.c (comptypes): Use tree_int_cst_equal.
5049 (default_conversion, digest_init): Use compare_tree_int.
5050 (build_binary_op): Use integer_all_onesp and compare_tree_int.
5051 Fix type errors in forming masks.
5052 * calls.c (initialize_argument_information): Use compare_tree_int.
5053 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5054 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
5055 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
5056 (store_field): Use compare_tree_int.
5057 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
5058 (expand_expr, case ARRAY_REF): Use compare_tree_int.
5059 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
5060 (do_store_flag): Use compare_tree_int.
5061 * fold-const.c (encode, decode): Low part is always unsigned.
5062 (force_fit_type, add_double, neg_double, mul_double): Likewise.
5063 (lshift_double, rshift_double, lrotate_double): Likewise.
5064 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
5065 (fold_convert): Use compare_tree_int.
5066 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
5067 (invert_truthvalue, case INTEGER_CST): Likewise.
5068 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
5069 * mkdeps.c (deps_dummy_targets): Make I unsigned.
5070 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
5071 (lshift_double, rshift_double, lrotate_double, rrotate_double):
5073 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
5074 (expand_end_case): Use compare_tree_int.
5075 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5076 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
5077 (layout_decl): Likewise.
5078 (layout_record, layout_union): Make sizes unsigned.
5079 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
5080 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
5081 * tree.c (struct type_hash): hashcode is unsigned.
5082 (build_type_attribute_variant, type_hash_list): Likewise.
5083 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
5084 (attribute_hash_list, build_array_type, build_method_type): Likewise.
5085 (build_complex_type): Likewise.
5086 (real_value_from_int_cst): Remove unneeded casts.
5087 (integer_all_onesp): Add casts.
5088 (tree_floor_log2, compare_tree_int): New functions.
5089 (build_index_type): Use tree_int_cst_sgn.
5090 * varasm.c (assemble_variable): Use compare_tree_int.
5092 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
5094 * cpphash.c (collect_expansion): Also catch ## at start of macro.
5096 * varasm.c (make_decl_rtl): Don't add a number to members of
5098 (make_function_rtl): Likewise.
5100 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5102 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
5103 patch from 2000-01-28.
5105 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
5107 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
5108 filled with an insn from the jump target.
5110 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5112 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
5113 (c4x_external_ref): Likewise.
5114 * config/c4x/c4x.c (struct name_list): Likewise.
5116 1999-12-16 Ben Collins <bcollins@debian.org>
5118 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
5119 argument to genmultilib.
5120 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
5121 the contents into the multilib.h header.
5122 * gcc.c: Declare multilib_exclusions for the specs file.
5123 (set_multilib_dir): Use it.
5124 (print_multilib_info): Likewise.
5125 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
5126 to pass to genmultilib.
5128 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5130 * builtins.c (built_in_class_names, built_in_names): Constify a
5133 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5135 (_mcleanup): Ensure value matches format specifier in sprintf.
5137 * cpphash.c (special_symbol): Don't needlessly cast away
5140 * cppinit.c (base_name): Delete unused prototype.
5142 * mkdeps.c (deps_init): Make definition K&R safe.
5144 * tree.h (built_in_class_names, built_in_names): Constify a
5147 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5149 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5150 floating point instructions for epilogue delay.
5152 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5153 to gas if it supports .register pseudo.
5155 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5156 LONG_DOUBLE_TYPE_SIZE if not defined.
5157 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5158 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5160 * gengenrtl.c: Likewise.
5161 * print-rtl.c: Likewise.
5163 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5164 MASK_LONG_DOUBLE_128.
5165 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5166 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5167 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5168 (SUBTARGET_SWITCHES): Define.
5169 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5170 with -mlong-double-128.
5171 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5172 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5173 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5174 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5175 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5176 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5177 with -mlong-double-128.
5178 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5179 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5180 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5181 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5182 TARGET_LONG_DOUBLE_128): Define.
5183 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5184 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5185 long double on TARGET_ARCH64.
5187 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5189 * function.c (free_temps_for_rtl_expr): Don't free slots
5190 that have been pushed into a higher level.
5193 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5195 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5197 * basic-block.h (ALLOCA_REG_SET): Remove.
5198 (INITIALIZE_REG_SET): New macro.
5199 * flow.c (update_life_info): Use it.
5200 (calculate_global_regs_live): Likewise.
5201 (propagate_block): Likewise.
5202 * global.c (build_insn_chain): Likewise.
5203 * haifa-sched.c (schedule_region): Likewise.
5205 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5207 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5208 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5209 (DWARF_ARANGES_PAD_SIZE): New define.
5210 (output_aranges): Use it to pad the address range header.
5211 (DWARF_ROUND): Fix for non power of 2 rounding.
5213 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5215 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5217 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5219 * tree.def (RTL_EXPR): Update documentation.
5220 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5221 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5222 * function.c (preserve_rtl_expr_temp): New function.
5223 (preserve_rtl_expr_temps): Likewise.
5224 (preserve_rtl_expr_result): Use it.
5227 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5229 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5231 * regmove.c (copy_src_to_dest) Do not create src->dest move
5232 for unchanging destination.
5234 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5236 * function.h (struct sequence_stack): Remove rtl_expr.
5237 (struct emit_staus): Likewise.
5238 (seq_rtl_expr): Remove.
5239 * tree.h (free_temps_for_rtl_expr): Don't declare.
5240 (start_sequence_for_rtl_expr): Likewise.
5241 * rtl.h (preserve_rtl_expr_result): Likewise.
5242 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5243 (start_sequence_for_rtl_expr): Remove.
5244 (push_topmost_sequence): Don't save sequence_rtl_expr.
5245 (pop_topmost_sequence): Remove comment about not restoring it.
5246 (end_sequence): Don't set seq_rtl_expr.
5247 (init_emit): Don't initialize it.
5248 (mark_sequence_stack): Don't mark it.
5249 (mark_emit_status): Likewise.
5250 * except.c (protect_with_terminate): Use
5251 start_sequence_for_rtl_expr, not start_sequence.
5252 * expr.c (expand_expr, case RTL_EXPR): Don't call
5253 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5254 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5255 (preserve_rtl_expr_result): Remove.
5256 (free_temps_for_rtl_expr): Likewise.
5257 (pop_temp_slots): Likewise.
5258 (mark_temp_slot): Don't mark the rtl_expr.
5259 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5260 start_sequence_for_rtl_expr.
5262 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5264 * mkdeps.c, mkdeps.h: New files.
5265 * po/POTFILES.in: Add them.
5266 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5267 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5268 (mkdeps.o): New target.
5270 * cppfiles.c: Delete deps_output.
5271 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5272 OBJECT_SUFFIX, and base_name.
5273 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5275 (initialize_dependency_output): Use deps_init,
5276 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5277 all the unnecessary string bashing.
5278 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5280 * cpplib.c (do_include): Use deps_add_dep.
5281 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5282 deps_allocated_size, deps_size, deps_column members with
5283 single pointer to a struct deps. Delete prototype of
5286 * cppinit.c: Fix thinko in previous patch.
5288 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5290 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5291 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5292 (mode_for_size_tree): New function.
5293 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5294 * tree.h (mode_for_size_tree): New declaration.
5296 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5298 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5300 * stmt.c (is_body_block): Move...
5301 * dwarfout.c, dwarf2out.c: ...from here.
5302 * tree.h: Declare it.
5303 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5304 * final.c (final_start_function): Do call remove_unnecessary_notes
5307 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5309 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5311 * cpplib.h (_dollar_ok): New macro.
5312 (is_idchar, is_idstart): Use it.
5313 (IStable): Rename to _cpp_IStable. Declare it const if
5314 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5315 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5316 is_space): Update for renamed IStable.
5318 * cppinit.c: Delete all references to FAKE_CONST and CAT
5319 macros. Define init_IStable as empty macro if gcc >=2.7 or
5320 C99. Change TABLE() to ISTABLE and hardcode name of table.
5321 (cpp_start_read): Don't change the IStable based on
5324 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5325 changed. Handle '$' for char1 correctly.
5326 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5328 * cppexp.c (tokentab2): Make const.
5329 (cpp_lex): Make toktab const.
5330 * cppinit.c (include_defaults_array): Make const.
5331 (initialize_standard_includes): Make default_include const.
5333 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5335 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5336 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5337 (gen_decl_die): Likewise.
5338 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5339 (output_decl): Likewise.
5341 * varasm.c (make_function_rtl): If we change the name used in the
5342 rtl, update DECL_ASSEMBLER_NAME accordingly.
5343 (make_decl_rtl): Likewise.
5345 * toplev.c (rest_of_compilation): Tweak formatting.
5347 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5348 remove_unnecessary_notes.
5349 (debug_ignore_block): New fn.
5350 * toplev.h: Declare it.
5351 * emit-rtl.c (remove_unncessary_notes): Call it.
5352 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5353 * dwarf2out.h: Declare it.
5354 * final.c (final_start_function): Don't call remove_unnecessary_notes
5355 if we did insn scheduling.
5357 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5359 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5360 * cpplib.h: Delete SET_CPP_PEDANTIC.
5362 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5364 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5365 result is a RECORD_TYPE.
5367 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5369 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5371 2000-03-03 Richard Henderson <rth@cygnus.com>
5373 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5374 addition over compliments over shifts.
5376 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5378 * reload1.c (reload_combine_note_use): Handle return register USEs.
5379 REG case: Handle multi-hard-register hard regs.
5381 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5383 * md.texi: Document use of '*' in insn pattern name.
5385 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5387 * calls.c (special_function_p): operator new may not be malloc-like.
5389 * gcse.c (dump_hash_table): Really fix error in last change.
5391 2000-03-02 Denis Chertykov <denisc@overta.ru>
5393 * avr.c (print_operand): Use print_operand_address instead of
5395 * avr/libgcc.S: Cleanup code.
5397 2000-03-02 Richard Henderson <rth@cygnus.com>
5399 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5401 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5403 * tree.h (TYPE_ALIGN_UNIT): New macro.
5405 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5407 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5409 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5411 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5413 (SET_CPP_PEDANTIC): New macro.
5414 * cpplib.c (do_include): Don't bother checking system_header_p.
5415 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5416 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5418 * function.h (struct expr_status): Add x_arg_space_so_far.
5419 (arg_space_so_far): New macro.
5420 * expr.c (init_expr): Initialize it.
5421 * calls.c (emit_call_1): Reset it.
5422 (compute_argument_block_size, expand_call): Use it.
5423 (expand_call, store_one_arg): Increment it.
5425 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5427 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5430 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5432 * cppfiles.c (cpp_read_file): New function.
5434 * cpphash.c (collect_expansion): Make sure to reset last_token
5435 to NORM when we hit a string. Handle trailing whitespace
5436 properly when the expansion is empty.
5437 (create_definition): Disable line commands while parsing the
5439 (dump_definition): If pfile->lineno == 0, output a line
5440 command ahead of the dump, and add a trailing newline.
5442 * cppinit.c (append_include_chain): Add fifth argument, which
5443 indicates whether or not system headers are C++ aware.
5444 (initialize_standard_includes): New function,
5445 broken out of read_and_prescan. Pass 'cxx_aware' value from
5446 the include_defaults_array on to append_include_chain.
5447 (dump_special_to_buffer): Const-ify char array.
5448 (builtin_array): Don't dump __BASE_FILE__.
5449 (cpp_start_read): Use cpp_read_file. Reorder code for
5450 clarity. Don't output line commands here for -D/-A/-U
5451 switches. Don't call deps_output for files included with
5452 -include or -imacros.
5454 * cpplib.c (do_define): Don't pay any attention to the second
5456 (cpp_expand_to_buffer): Disable line commands while scanning.
5457 (output_line_command): Work in the file buffer.
5458 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5459 Fix formatting of comments. Prototype cpp_read_file.
5461 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5463 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5464 reference the language-equivalent of sizetype.
5465 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5466 * fold-const.c (size_binop, size_diffop): Put back checks.
5467 * gcse.c (dump_hash_table): Fix minor error in last change.
5468 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5469 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5472 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5474 * calls.c (expand_call) Do not attempt to combine stack adjustments
5475 with inhibit_defer_pop set.
5477 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5479 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5480 the DECL_SIZE for a FIELD_DECL.
5482 2000-03-01 Bruce Korb <bkorb@gnu.org>
5484 * fixinc/inclhack.tpl: remove unused symlinks
5485 * fixinc/README: GCC Maintainer info
5486 * fixinc/inclhack.sh: regen
5487 * fixinc/fixincl.sh: regen
5489 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5491 * cpphash.c (collect_expansion): Trim trailing white space
5492 from macro definitions, but don't go past the last insertion
5495 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5497 * i386.md (mulqi3): New pattern.
5499 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5501 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5503 (struct cpp_reader): Add parsing_if_directive and
5504 parsing_define_directive flags.
5505 (struct cpp_options): Remove output_conditionals flag.
5506 (check_macro_name): Delete prototype.
5508 * cpphash.h (struct macrodef): Delete.
5509 (struct reflist): Separate from struct definition.
5510 (struct definition): Remove unused fields. Add column number.
5511 (create_definition): Returns a DEFINITION *. Takes a
5512 cpp_reader * and an int.
5514 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5515 (PEEKC): Copy defn from cpplib.c.
5516 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5518 (struct arglist): Simplify.
5519 (collect_expansion): Rewrite. Get tokens by calling
5520 cpp_get_token. Add more error checking.
5521 (collect_formal_parameters): New function, broken out of
5522 create_definition and reworked to use get_directive_token.
5523 (create_definition): All real work is now in collect_expansion
5524 and collect_formal_parameters. do_define handles finding the
5525 macro name. Return a DEFINITION, not a MACRODEF.
5526 (macroexpand): Replace bcopy with memcpy throughout. Replace
5527 character-at-a-time copy loop with memcpy and pointer increments.
5528 (compare-defs): d1->argnames / d2->argnames might be null.
5530 * cpplib.c (copy_rest_of_line): Delete function.
5531 (skip_rest_of_line): Do all the work ourselves.
5532 (skip_string): New function.
5533 (parse_string): Use skip_string.
5534 (get_macro_name): New function.
5535 (check_macro_name): Delete.
5536 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5537 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5538 (handle_directive): ICE if we're called on a macro buffer.
5539 (do_define): Determine macro name and type (funlike/objlike)
5540 here. Expunge all uses of MACRODEF.
5541 (cpp_push_buffer): Set line_base to NULL.
5542 (do_undef, read_line_number): Don't worry about getting a POP token.
5543 (eval_if_expression): Set/reset parsing_if_directive around
5544 cpp_parse_expr. Don't clear only_seen_white.
5545 (skip_if_group): Remove output_conditionals logic. Use
5547 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5548 tokens under appropriate conditions.
5549 (cpp_unassert): Call do_unassert not do_assert. Oops.
5551 * cppexp.c (parse_defined): New function, break out of
5553 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5554 ourselves, with cpp_defined.
5555 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5557 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5558 * gcc.dg/strpaste-2.c: New.
5560 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5562 * fold-const.c (size_binop): Don't asert inputs are the same and
5563 have TYPE_IS_SIZETYPE set.
5564 (size_diffop): Likewise.
5566 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5568 * dwarfout.c (output_block): Output abstract blocks even if they
5569 don't have TREE_ASM_WRITTEN set.
5571 * calls.c (emit_library_call): Check for null REG.
5573 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5575 * c-decl.c (current_function_decl): Move to toplev.c.
5576 (init_decl_processing): Don't add current_function_decl as a ggc
5578 * dbxout.c (dbxout_symbol): Change return type to int.
5579 (dbxout_symbol_location, dbxout_syms): Likewise.
5580 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5581 any locals. Use current_function_func_begin_label if set.
5582 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5583 * dwarf2out.c (dwarf2out_begin_prologue): Set
5584 current_function_func_begin_label.
5585 * final.c (final_start_function): Reset it.
5586 * toplev.c (current_function_decl): Define it here.
5587 (current_function_func_begin_label): New variable.
5588 (main): Add both as ggc roots.
5589 * tree.h (current_function_func_begin_label): Declare.
5591 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5593 * gcse.c: Cleanups throughout: mostly white-space, but also
5594 some minor rearrangement of code.
5596 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5598 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5599 returns a PARALLEL. Use emit_group_load and use_group_regs
5601 (emit_library_call_value): Similarly.
5603 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5604 * pa/quadlib.asm: Remove.
5605 * pa/quadlib.c: New file.
5607 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5608 * configure: Rebuilt.
5610 2000-02-29 Philip Blundell <pb@futuretv.com>
5612 * config/arm/conix-elf.h: New file.
5613 * configure.in (arm*-*-conix*): New configuration.
5614 * configure: Regenerate.
5616 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5618 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5619 don't have TREE_ASM_WRITTEN set.
5621 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5623 * Eliminate DECL_FIELD_SIZE.
5624 * builtins.c (built_in_class_names, built_in_names): New variables.
5625 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5626 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5627 DECL_SIZE, not DECL_FIELD_SIZE.
5628 * print-tree.c (print_node): Remove code that prints extra blank
5629 lines in some cases.
5630 Properly handle inline and builtin function cases.
5631 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5632 * tree.h (built_in_class_named, built_in_names): New declarations.
5633 (union tree_decl): Rename internal unions to u1 and u2 and change
5634 some of their components.
5635 Add new field built_in_class.
5636 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5637 Reflect above changes.
5638 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5639 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5640 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5641 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5643 2000-02-28 Dmitri Makarov <dim@windriver.com>
5645 * extend.texi: Document ARM's support for long/short calls.
5647 * invoke.texi: Document ARM's -mlong-calls command line switch.
5649 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5650 (arm_encode_call_attribute): Add prototype.
5651 (arm_set_default_type_attribute): Add prototype.
5652 (arm_strip_name_encoding): Add prototype.
5654 * config/arm/arm.c (arm_init_cumulative_args): replace
5655 initialisation og 'long_calls' field with initialisation of
5656 'call_cookie' field.
5657 (enum arm_pragma_enum): New enum.
5658 (arm_pragma_long_calls): New static variable.
5659 (arm_process_pragma): Also process "#pragma long_calls_off".
5660 (arm_valid_type_attribute_p): Accept short_call attribute.
5661 (arm_comp_type_attributes): Check long/short call attributes.
5662 (arm_encode_call_attribute): New function: Encode long_call
5663 or short_call attribute in function name.
5664 (arm_set_default_type_attributes): New function: Assign
5665 default attributes to newly defined type.
5666 (current_file_function_operand): New function: Return true if
5667 the symbol is a function which has already been compiled.
5668 (arm_is_longcall_p): New function: Return true if the
5669 indicated function should be called via a long call.
5670 (arm_get_strip_length): New function. Returns number of
5671 prefix characters to be stripped from a function's name.
5672 (arm_strip_name_encoding): New function. Strip prefix characters
5673 from a function's name.
5675 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5677 (SHORT_CALL_FAG_CHAR): Define.
5678 (LONG_CALL_FAG_CHAR): Define.
5679 (ENCODED_SHORT_CALL_ATTR_P): Define.
5680 (ENCODED_LONG_CALL_ATTR_P): Define.
5681 (ARM_NAME_ENCODING_LENGTHS): Define.
5682 (STRIP_NAME_ENCODING): Define.
5683 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5684 (ARM_ENCODE_CALL_TYPE): Define.
5685 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5686 (ARM_DECLARE_FUNCTION_SIZE): Define.
5687 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5689 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5690 if a long call is needed.
5691 (call_value): Ditto.
5692 (call_symbol): Ditto.
5694 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5695 ARM_DECLARE_FUNCTION_SIZE.
5697 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5698 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5699 (ARM_STRIP_NAME_ENCODING): Undefine.
5700 (STRIP_NAME_ENCODING): Undefine.
5701 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5702 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5703 (ASM_OUTPUT_COMMON): Ditto.
5704 (ASM_DECLARE_OBJECT_NAME): Ditto.
5706 * config/arm/pe.c (arm_dllexport_name_p): Check for
5708 (arm_dllimport_name_p): Ditto.
5709 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5710 (arm_mark_dllimport): Ditto.
5712 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5714 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5716 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5718 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5720 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5722 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5723 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5724 NO_BUILTIN_WCHAR_TYPE is not defined.
5725 (CPP_WCHAR_TYPE): Delete.
5726 * cccp.c (main): Don't change wchar_type if cplusplus.
5727 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5729 2000-02-28 Nick Clifton <nickc@cygnus.com>
5731 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5733 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5735 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5736 (ASM_WEAKEN_LABEL): Define.
5738 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5740 * expr.c (store_constructor): Do not emit USE.
5741 * rtl.h (stupid_life_analysis): Remove.
5743 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5745 * function.c (number_blocks): Reset next_block_index based on
5746 what debugging format is used, not what is defined.
5748 * lcm.c: Minor reformatting throughout.
5749 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5751 * toplev.c (rest_of_compilation): Account for time in
5752 optimize_mode_switching.
5754 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5755 if only marking labels.
5757 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5759 * calls.c (expand_call): Attempt to combine stack adjustments with
5760 pending stack adjustments.
5762 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5764 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5765 to the end of the function.
5767 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5769 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5771 * final.c (next_block_index): Remove.
5772 (max_block_depth): Likewise.
5773 (pending_blocks): Likewise.
5774 (init_final): Don't initialize them.
5775 (final_start_function): Don't set next_block_index. Set up
5777 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5778 * function.h (number_blocks): New function.
5779 * function.c (get_block_vector): New function.
5780 (identify_blocks): Use it.
5781 (reorder_blocks): Set NOTE_BLOCK.
5782 (number_blocks): New function.
5783 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5784 * tree.h (BLOCK_NUMBER): New macro.
5785 (tree_block): Add block_num field.
5786 * dbxout.c (next_block_number): Remove.
5787 (dbxout_init): Don't set it.
5788 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5789 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5791 * toplev.c (rest_of_compilation): Always call
5792 find_loop_tree_blocks. Fix indentation.
5793 * dwarf2out.c (next_block_number): Remove.
5794 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5795 to determine block numbers.
5796 (gen_inlined_subroutine_die): Likewise.
5797 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5798 (decls_for_scope): Don't increment next_block_number.
5799 * dwarfout.c (next_block_number): Remove.
5800 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5801 to determine block numbers.
5802 (output_inlined_subroutine_die): Likewise.
5803 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5804 (output_decls_for_scope): Don't increment next_block_number.
5805 * sdbout.c (next_block_number): Remove.
5806 (sdbout_block): Use BLOCK_NUMBER.
5807 (sdbout_begin_block): Simplify.
5808 * xcoffout.c (next_block_number): Remove.
5809 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5810 (xcoffout_begin_block): Don't set next_block_number.
5811 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5814 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5816 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5817 (expand_builtin_strcpy): Pass correct type to size_binop.
5818 (expand_builtin_strcmp): Likewise.
5819 Clean up conditional structure.
5820 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5821 (complete_array_type): Don't use size_binop for MAXINDEX.
5822 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5823 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5824 (c_alignof): Use size_one_node.
5825 (build_unary_op): Pass arg of proper type to size_binop.
5826 (really_start_incremental_init, push_init_level): Use sizetype for
5827 constructor{,_bit,_unfilled}_index.
5828 (pop_init_label, output_init_element): Likewise.
5829 (output_pending_init_elements, process_init_element): Likewise.
5830 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5831 * expr.c (store_expr): Use size_int.
5832 (store_constructor): Use proper types for size_binop args.
5833 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5834 (expand_expr_unaligned): Likewise.
5835 (string_contant): Return object of sizetype.
5836 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5837 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5838 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5839 * fold-const.c (int_const_binop): Refine when size_int is called.
5840 (fold_convert): Likewise.
5841 (size_int_wide): Rework to take KIND as arg, only take low order
5842 bits, handle new sizetype_tab datatype, and chain entries in
5844 (size_int_type_wide): New function.
5845 (size_binop): Validate types of arguments.
5846 (ssize_binop): Deleted.
5847 (size_diffop): New function.
5848 (extract_muldiv): Only fold division into multiplication for sizetypes.
5849 * function.c (assign_parms): Use size_diffop and make sure
5850 VAR field is of ssizetype; also pass proper type to size_binop.
5851 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5852 (round_down): Deleted from here.
5853 * store-layout.c (sizetype_tab): Now an array.
5854 (sizetype_set, early_root_list): New variables.
5855 (variable_size): Use size_one_node.
5856 (round_up): Pass proper type to size_binop.
5857 (round_down): Moved to here and corrected as above.
5858 (layout_record): Pass proper arg types to size_binop.
5859 (layout_type): Likewise.
5860 If sizetype_set is zero, record the type just laid out.
5861 (make_unsigned_type): Don't call set_sizetype;
5862 (make_signed_type): Likewise; also, call fixup_signed_type.
5863 (initialize_sizetypes): New function.
5864 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5865 set name of bitsizetype to "bit_size_type".
5866 Fix up type of sizes of all types made before call.
5867 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5868 * tree.c (fix_sizetype): Deleted.
5869 (build_common_tree_nodes): Call initialize_sizetypes.
5870 (build_common_tree_nodes_2): Don't call fix_sizetype.
5871 * tree.h (TYPE_IS_SIZETYPE): New macro.
5872 (initialize_sizetype): New declaration.
5873 (enum size_type_kind): New type.
5874 (struct sizetype_tab): Deleted.
5875 (sizetype_tab): Now array; adjust sizetype macros.
5876 (size_diffop, size_int_type_wide): New functions.
5877 (size_int_wide): Change number of args and type; access macros changed.
5878 (ssize_int, sbitsize_int): New macros.
5879 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5880 (ROUND_TYPE_SIZE_UNIT): New macro.
5882 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5884 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
5886 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5888 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
5889 Mark as possibly unused.
5891 * cse.c (cse_insn): Delete dead code involving tablejump.
5892 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
5894 * Makefile.in (libcpp.a): Start by deleting it.
5896 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5898 * cpplib.h (enum file_change_code): Added rename_file.
5899 * cpplib.c (do_line): If a filename is given, set file_change to
5901 (output_line_command): If file_change is rename_file, always
5902 output a # directive with the file name.
5904 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
5906 2000-02-26 Mark Mitchell <mark@codesourcery.com>
5908 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
5909 when copying a PARM_DECL or RESULT_DECL.
5911 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * fix-header.c (recognized_function): Also fix prototypes for
5914 functions taking "void".
5916 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5918 * reload1.c (do_output_reload): Check reg_reloaded_valid before
5919 looking at reg_reloaded_contents.
5921 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
5923 * Makefile.in (STMP_FIXINC): New toggle.
5924 (LIBGCC2_DEPS): Delete all references.
5925 (stmp-headers): Delete target. All references either deleted
5926 or changed to stmp-int-headers.
5927 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
5928 (LIBCPP_OBJS): Take out cppalloc.o.
5929 (cppalloc.o): Delete target.
5930 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
5931 (gen-protos, fix-header): Link with libiberty.a.
5932 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
5935 * configure.in: Remove refs to strerror.
5936 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
5937 * system.h: Take out strerror stanza.
5939 * cpperror.c (my_strerror): Delete function.
5940 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
5941 * cppmain.c (main): Call xmalloc_set_program_name first thing.
5942 * cppalloc.c: Delete file.
5943 * gen-protos.c: Don't provide xrealloc.
5945 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
5946 xstrerror throughout.
5948 2000-02-26 Bruce Korb <bkorb@gnu.org>
5950 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
5951 match for DOS headers, too.
5952 * fixinc/inclhack.sh,fixincl.x: Regenerate.
5954 2000-02-26 Geoff Keating <geoffk@cygnus.com>
5956 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
5957 is right for most ELF targets.
5958 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
5959 Let the default file use %U properly.
5960 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
5963 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
5966 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5968 * toplev.c (documented_lang_options): Correct spelling error.
5969 (decode_d_option, decode_f_option, main): Likewise.
5971 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
5973 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
5974 to tell assembler it is permitted to expand large constants.
5976 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
5978 * protoize.c: (AUX_INFO_SUFFIX): New macro.
5979 (aux_info_suffix): Use.
5980 (SAVE_SUFFIX): New macro.
5982 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
5983 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
5984 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
5986 * invoke.texi (Running Protoize): Update documentation.
5988 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
5990 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
5992 2000-02-25 John Wehle (john@feith.com)
5994 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
5996 2000-02-25 Anthony Green <green@cygnus.com>
5998 * toplev.c (rest_of_compilation): Rebuild jump labels if
5999 combine_instructions has created a new direct jump.
6000 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
6002 (combine_instructions): Call try_combine with new argument.
6003 Return non-null value when new direct jump instruction is created.
6004 * rtl.h: combine_instructions returns an int.
6006 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
6008 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
6009 jump when changing a computed jump into a jump to a known
6012 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
6014 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
6015 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
6017 * i386.md (define_expand "clrstrsi"): Fix typo.
6019 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
6021 * rtl.texi: Fix typo.
6023 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6025 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
6026 UNITS_PER_WORD. Change caller initial_elimination_offset.
6027 (rounded_frame_size): Take into account that argument pushed has
6028 changed. Fix TARGET_ALIGN_DOUBLE problem.
6030 2000-02-25 Geoff Keating <geoffk@cygnus.com>
6032 * haifa-sched.c (schedule_block): Explain the real reason
6033 we delete REG_SAVE_NOTEs on the first insn of a block.
6034 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
6036 2000-02-24 Mark Mitchell <mark@codesourcery.com>
6038 * input.h (push_srcloc): New function.
6039 (pop_srcloc): Likewise.
6040 * toplev.c (push_srcloc): Define it.
6041 (pop_srcloc): Likewise.
6043 2000-02-24 Richard Henderson <rth@cygnus.com>
6045 * flow.c (life_analysis): When collecting reg info, clear
6048 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6050 Fix bug exposed by reload.c no longer rounding the frame
6051 size to BIGGEST_ALIGNMENT:
6052 * sh.c (rounded_frame_size): New function.
6053 (sh_expand_prologue, sh_expand_epilogue): Use it.
6054 (initial_elimination_offset): Likewise.
6056 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6058 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
6059 * sh-protos.h (sh_need_epilogue): Declare.
6060 * sh.c (sh_need_epilogue_known): New static variable.
6061 (sh_need_epilogue): New function.
6062 (function_epilogue): Clear need_epilogue_known.
6063 * sh.md (return): Split into expander / insn pattern.
6064 Make the expander conditional on ! sh_need_epilogue ().
6066 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
6068 * machmode.h (get_mode_alignment): Declare.
6069 (GET_MODE_ALIGNMENT): Call it.
6070 * stor-layout.c (get_mode_alignment): New function. Make
6071 sure alignment is always power of 2.
6073 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6075 * i386.h: Remove useless definition of "I386" and misleading
6078 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6080 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
6081 under which TREE_PERMANENT will be set.
6082 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
6083 build1): Use TREE_SET_PERMANENT.
6084 * print-tree.c (print_node): Don't report value of
6085 TREE_PERMANENT if ggc_p is true.
6087 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
6088 decide whether to give a type a new alias set.
6089 * objc/objc-act.c (build_objc_string_object): Never copy the string.
6090 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
6091 of value of 'obstack'.
6094 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6096 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
6098 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6100 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
6101 * cpplib.c (cpp_get_token): Produce them.
6102 * cppexp.c (cpp_lex): Handle them.
6104 2000-02-23 Nick Clifton <nickc@cygnus.com>
6106 * config/arm/arm.c (arm_comp_type_attributes): Simply and
6107 comment tests on type attributes.
6109 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6111 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
6112 conform to documentation.
6113 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
6114 to check for special cases.
6115 * sh-protos.h (sh_loop_align): Declare.
6116 * sh.c (sh_loop_align): Define.
6118 2000-02-22 Andrew Haley <aph@cygnus.com>
6120 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
6121 (SIZE_TYPE): Is 32 bits when using -mgp32.
6122 (PTRDIFF_TYPE): Ditto.
6124 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6126 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
6128 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6130 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
6131 BIGGEST_FIELD_ALIGNMENT a constant.
6133 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6135 * dwarf2out.c (output_line_info): Put the marker for the end of
6136 the line number info at the actual end.
6137 (gen_struct_or_union_type_die): Use decl_function_context
6138 to check for local classes.
6139 * dwarfout.c (output_type): Likewise.
6141 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6143 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6144 for arguments with a mode, but no type.
6145 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6146 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6147 * pa/long_double.h: New file.
6148 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6149 both have 128bit wide long doubles.
6150 * configure: Rebuilt.
6152 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6154 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6156 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6157 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6158 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6160 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6162 * integrate.c (compare_blocks, find_block): Likewise.
6164 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6166 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6168 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6169 expand_asm_operands): Likewise.
6171 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6173 * predict.c (estimate_probability): Added the pointer heuristic to
6174 the collection of static branch predictors.
6176 2000-02-21 Catherine Moore <clm@cygnus.com>
6178 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6179 * invoke.texi (-mfix7000): Document.
6181 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6183 * diagnostic.c (init_output_buffer): Make it possible to output at
6184 least 32 characters if we're given a too long prefix.
6186 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6188 * varasm.c (initializer_constant_valid_p): Call
6189 lang_expand_constant to simplify the constant.
6191 2000-02-20 Bruce Korb <bkorb@gnu.org>
6193 * fixinc/inclhack.def(stdio_va_list):
6194 typedef needs to be disabled.
6195 * fixinc/inclhack.sh: regen
6196 * fixinc/fixincl.x: regen
6198 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6200 * print-rtl.c (print_rtx): Don't print addresses when
6201 flag_dump_unnumbered.
6203 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6205 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6207 (sparc_va_arg, sparc_flat_output_function_prologue,
6208 sparc_flat_output_function_epilogue): Cast value to unsigned in
6210 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6212 * sparc.md: Add default case in switch.
6214 2000-02-19 Richard Henderson <rth@cygnus.com>
6216 * c-typeck.c (add_pending_init): Don't abort for multiple
6217 fields at the same offset.
6218 (pending_init_member): Test the correct member.
6220 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6222 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6224 (start_catch_handler) : Same.
6226 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6228 * Makefile.in: Have flow.o depend on $(EXPR_H)
6230 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6232 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6233 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6234 (finish_decl): Remove -Wlarger-than code from here.
6235 * flags.h (id_clash_len): Now int.
6236 (larger_than_size): Now HOST_WIDE_INT.
6237 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6238 Clean up checking to see if in table.
6239 (make_bit_field_ref): Remove extra parm to bitsize_int.
6240 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6241 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6242 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6243 and for computing size of decl.
6244 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6245 Move -Wlarger-than code to here.
6246 (layout_record): Remove extra arg to bitsize_int.
6247 Set TYPE_BINFO_SIZE_UNIT.
6248 (layout_union): Remove extra arg to bitsize_int.
6249 Use proper type for size of QUAL_UNION.
6250 (layout_type): Remove extra arg to bitsize_int.
6251 * toplev.c (id_clash_len): Now int.
6252 (larger_than_size): Now HOST_WIDE_INT.
6253 (decode_W_option): Clean up id-clash and larger-than- cases.
6254 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6255 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6256 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6257 (struct tree_decl): New field size_unit.
6258 (size_int_wide): No HIGH operand; NUMBER is now signed.
6259 (size_int_2): Deleted.
6260 (size_int, bitsize_int): Don't use it and rework args.
6261 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6263 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6265 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6267 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6269 * invoke.texi (Warning Options): Add an explanation of why
6270 you might want the -Wfloat-equal flag.
6272 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6274 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6275 * cppinit.c (new_pending_define): Add cast to avoid warning.
6276 * expmed.c (extract_bit_field): Likewise.
6277 * flow.c (enum reorder_skip_type): New type.
6278 (skip_insns_between_blcok): New it.
6279 Rework to avoid warning about possibly undefined variable.
6280 * function.c (assign_parms): Make thisparm_boundary unsigned.
6281 * genrecog.c (write_switch): Cast XWINT result to int.
6282 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6283 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6284 one for MIPS and one for Alpha.
6285 (get_tag, copy_object): Add casts to avoid warnings.
6286 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6287 * reload.c (find_reloads): Make TYPE enum reload_type.
6288 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6289 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6290 * varasm.c (compare_constant_1): Add cast to avoid warning.
6291 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6293 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6294 Cast switch operand of size to int.
6295 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6296 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6299 2000-02-18 Nick Clifton <nickc@cygnus.com>
6301 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6302 anything for an alignment of zero.
6304 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6305 anything for an alignment of zero.
6307 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6309 * gcc.texi (Bug Reporting): Refer to bugs.html.
6310 (Bug Lists): Likewise.
6311 * system.h (GCCBUGURL): New preprocessor define.
6312 * rtl.c (fancy_abort): Use it.
6313 * gcc.c (main): Likewise.
6315 2000-02-18 Richard Henderson <rth@cygnus.com>
6317 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6318 (life_analysis_1): Subsume into ...
6319 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6320 Use update_life_info for the relaxation.
6321 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6322 entry and regs_live_at_setjmp.
6323 (set_noop_p): Simplify.
6324 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6325 (record_volatile_insns): Split into ...
6326 (delete_noop_moves): ... here,
6327 (notice_stack_pointer_modification): ... here,
6328 (insn_dead_p): ... and here.
6329 (propagate_block): Don't query INSN_VOLATILE.
6330 (mark_used_regs): Mind !PROP_REG_INFO.
6331 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6332 not in life_analysis.
6334 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6336 * loop.c (canonicalize_condition): New function,
6337 broken out of get_condition.
6338 (get_condition): Use it.
6339 * expr.h (canonicalize_condition): Prototype it.
6341 * tree.h (tree_int_cst_msb): Declare.
6342 * tree.c (tree_int_cst_msb): New function.
6344 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6346 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6349 * invoke.texi (-fmessage-length=n): Document.
6351 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6353 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6355 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6357 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6360 2000-02-17 Nick Clifton <nickc@cygnus.com>
6362 * config/arm/thumb.c: Replace includes of system headers with
6363 #include "system.h".
6365 2000-02-16 Richard Henderson <rth@cygnus.com>
6367 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6368 Add crtbeginS.o and crtendS.o.
6369 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6370 (ENDFILE_SPEC): Use crtendS.o.
6371 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6373 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6374 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6376 (__dso_handle): New variable.
6377 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6378 bias to __CTOR_END__.
6380 2000-02-16 Richard Henderson <rth@cygnus.com>
6382 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6384 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6386 * longlong.h (__clz_tab): Declare as static to match definition.
6388 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6389 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6390 (XREF_FILE_NAME): Define.
6392 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6393 (EH_FRAME_SECTION_ASM_OP): Define.
6394 (IDENT_ASM_OP): Define.
6395 (TEXT_SECTION_ASM_OP): Define.
6397 (CTORS_SECTION_ASM_OP): Define.
6398 (CTOR_SECTION_FUNCTION): Use it.
6399 (DTORS_SECTION_ASM_OP): Define.
6400 (DTOR_SECTION_FUNCTION): Use it.
6402 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6404 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6407 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6408 debug_bb_n): New functions.
6409 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6410 * basic-block.h: Prototype new functions.
6412 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6414 * configure.in: Add support for avr target.
6415 * configure: Rebuilt.
6417 * invoke.texi: Add AVR invocation docs.
6418 * install.texi: Add information about AVR.
6419 * md.texi: Add AVR constraint letters description.
6420 * extend.texi: Add description for AVR specific attributes.
6422 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6424 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6426 2000-02-16 Nick Clifton <nickc@cygnus.com>
6428 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6429 (make_insn_raw): Move RTL check here.
6431 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6433 * version.c: Include gansidecl.h and version.h.
6435 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6437 * configure.in (gcc_version): When setting, narrow search to
6438 lines containing `version_string'.
6440 * Makefile.in (mainversion): Likewise.
6441 (GCC_H): New variable.
6442 (gcc.h): Delete target.
6443 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6444 (version.o): Depend on version.h.
6445 (dbxout.o): Don't depend on gcc.h.
6447 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6448 Michael Meissner <meissner@cygnus.com>
6450 * md.texi (Simple Constraints): Add item about whitespace.
6451 * genoutput.c (strip_whitespace): New.
6452 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6453 strip_whitespace for constraints.
6454 Test pointer using NULL, not 0.
6456 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6458 * cpplib.c (do_line): Pedwarn for #line > 32767.
6460 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6462 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6464 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6465 to default cpp spec.
6466 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6467 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6470 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6473 2000-02-15 Denis Chertykov <denisc@overta.ru>
6475 * configure.in: Add support for avr target.
6477 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6479 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6480 (sh_addr_diff_vec_mode): Don't declare.
6481 * sh.c (sh_addr_diff_vec_mode): Delete.
6483 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6485 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6487 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6489 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6490 (smulsi3_highpart_i): Name.
6491 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6492 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6493 (smulsi3_highpart, umulsi3_highpart): Likewise.
6495 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6496 correctly independent of endianness.
6497 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6498 confuse the optimizers.
6499 (mulsidi3+1, umulsidi3+1): New define_split.
6501 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6503 * config/sh/sh.md: Guard insn splits against illegal registers.
6504 * config/sh/sh.h: Correct comment about macros.
6506 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6507 Andrew MacLeod <amacleod@cygnus.com>
6509 * Makefile.in (lcm.o): Depend on insn-attr.h.
6510 * basic-block.h (optimize_mode_switching): Declare.
6511 * lcm.c (tm_p.h, insn-attr.h): #include.
6512 (seginfo, bb_info): New structs.
6513 (antic, transp, comp, delete, insert) : New file-scope static variables.
6514 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6515 (reg_becomes_live, optimize_mode_switching): Likewise.
6516 * tm.texi: Add description of mode switching macros.
6517 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6519 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6520 (fldi_ok, fpscr_set_from_mem): New prototypes.
6521 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6522 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6523 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6524 (sh_flag_remove_dead_before_cse): Remove declaration.
6525 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6526 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6527 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6528 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6529 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6530 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6531 (fldi_ok): New function.
6532 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6533 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6534 (emit_df_insn): Likewise.
6535 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6536 (sh_flag_remove_dead_before_cse): Delete.
6537 (get_free_reg, fpscr_set_from_mem): New functions.
6538 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6539 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6541 2000-02-15 Loren Rittle <ljrittle@acm.org>
6543 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6545 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6547 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6548 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6550 * cccp.c: Include version.h and/or don't declare `version_string'.
6551 * collect2.c: Likewise.
6552 * alpha.c: Likewise.
6553 * arm/aof.h: Likewise.
6554 * arm/coff.h: Likewise.
6555 * arm/elf.h: Likewise.
6556 * arm/pe.h: Likewise.
6557 * arm/tcoff.h: Likewise.
6558 * arm/telf.h: Likewise.
6559 * arm/tpe.h: Likewise.
6560 * arm/vxarm.h: Likewise.
6561 * convex/convex.c: Likewise.
6562 * i386/dgux.c: Likewise.
6563 * i386/sun386.h: Likewise.
6564 * m88k/m88k.c: Likewise.
6565 * mcore/mcore-pe.h: Likewise.
6566 * mips/mips.h: Likewise.
6567 * romp/romp.h: Likewise.
6568 * sh/sh.c: Likewise.
6569 * cpphash.c: Likewise.
6570 * cppinit.c: Likewise.
6571 * dwarf2out.c: Likewise.
6572 * dwarfout.c: Likewise.
6575 * mips-tfile.c: Likewise.
6576 * protoize.c: Likewise.
6577 * toplev.c: Likewise.
6580 * version.c (version_string): Constify a char*.
6582 * version.h: New file.
6584 2000-02-14 Nick Clifton <nickc@cygnus.com>
6586 * configure.in: Add mcore-elf and mcore-pe targets.
6587 * configure: Regenerate.
6589 * NEWS: Add note that MCore port has been contributed.
6591 * invoke.texi: Document command line switches for MCore port.
6592 * install.texi: Add MCore to list of supported targets.
6594 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6596 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6597 then we will need to import the frame handling functions.
6598 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6599 to import the frames themselves.
6601 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6602 Jason Eckhardt <jle@cygnus.com>
6604 * basic_block.h: Added prototype for reorder_basic_blocks.
6605 * toplev.c: Changes to add -freorder-blocks and graph dump after
6606 block reordering is done.
6607 * flow.c (reorder_block_def): New structure for use during block
6609 (REORDER_BLOCK_*): New macros to access members of above structure.
6610 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6611 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6612 functions for block reordering.
6614 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6616 * gcc.texi (Passes): Fix typo.
6617 * md.texi (Standard Names): Ditto.
6618 * tm.texi (Storage Layout): Ditto.
6620 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6622 * cpplib.c (do_define): Only free the old definition if it
6625 2000-02-13 Neil Booth <NeilB@earthling.net>
6627 * cppfiles.c (read_and_prescan): When emitting deferred
6628 newlines, test speccase[] again instead of checking each
6629 possible whitespace character in turn. When we encounter \r,
6630 look behind for \n first, then ahead.
6632 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6634 * cse.c (cse_altered): New internal flag.
6635 (cse_insn): Set it if we changed an insn.
6636 (cse_main): Clear cse_altered before each basic block.
6637 Only garbage collect if cse_altered is true afterward.
6639 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6641 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6643 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6645 * combine.c (simplify_comparison): Fix typo.
6647 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6649 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6652 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6654 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6655 previously inserted node instead of root node. Caller changed.
6657 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6659 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6661 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6663 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6664 __dereg_frame_dtor): Add prototype argument.
6666 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6668 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6670 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6672 * gthr-vxworks.h (__gthread_once): Likewise.
6674 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6676 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6678 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6679 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6680 stack pointer in functions w/o saved registers, output LEAVE more often
6681 on TARGET_USE_LEAVE machines.
6683 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6685 * config/arm/arm.c (arm_init_cumulative_args); New function:
6686 Initlaise the CUMULATIE_ARGS strcuture for a function
6688 (arm_function_arg): New function: Determine where to place a
6689 function's argument. Also handles deciding the function's
6691 (current_file_function_operand): New function: Return true if
6692 the symbol is a function which has already been compiled.
6693 (arm_is_long_call_p): New function: Return true if the
6694 indicated function should be called via a long call.
6695 (arm_valid_type_attribute_p): New function: Return true if the
6696 attribute is a valid, arm specific, attribute.
6697 (arm_comp_type_attribute): New function: Return true if the
6698 two types have compatable, arm specific, attributes.
6700 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6702 (FUNCTION_ARG): Redefine to call arm_function_arg.
6703 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6705 (INIT_CUMULATIVE_ARGS): Redefine to call
6706 arm_init_cumulative_args.
6707 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6709 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6711 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6713 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6714 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6715 (COMP_TYPE_ATTRIBUTES): Define.
6717 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6718 if a long call is needed.
6719 (call_value): Call arm_is_long_call_p to decide if a long call
6721 (call_symbol): Call arm_is_long_call_p to decide if a long call
6724 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6726 2000-02-11 Denis Chertykov <denisc@overta.ru>
6728 * README.AVR: New file with information about the avr ports.
6729 * config/avr: New directory with avr port files.
6731 2000-02-11 Andreas Jaeger <aj@suse.de>
6733 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6735 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6737 * cpphash.c: Fix formatting, update commentary.
6738 (dump_definition): Take three separate arguments instead of a
6739 MACRODEF structure argument.
6740 * cpphash.h: Update prototype of dump_definition.
6741 * cppinit.c (cpp_finish): Update call of dump_definition.
6743 * cpplib.c (do_define): Always create new hash entry with
6744 T_MACRO type. Remove redundant check for redefinition of
6745 poisoned identifier. Update call of dump_definition.
6746 (do_undef): Don't call check_macro_name. Rename sym_length to
6748 (do_error, do_warning): Don't use copy_rest_of_line or
6750 (do_warning): Don't use pedwarn for the actual warning,
6751 only the notice about its not being in the standard. (Fixes
6752 bug with #warning in system headers.)
6753 (do_ident): Stricter argument checking - accept only a single
6754 string after #ident. Also, macro-expand the line.
6755 (do_xifdef): Use cpp_defined. De-obfuscate.
6757 (do_pragma): Split out specific pragma handling to separate
6758 functions. Use get_directive_token. Update commentary. Do
6759 not pass on #pragma once or #pragma poison to the front end.
6760 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6761 do_pragma_default): New.
6763 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6765 * jump.c (jump_optimize_1): The first operand in a relational
6767 * optabs.c (emit_conditional_move): Handle relationals which
6768 have a known true/false result.
6770 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6772 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6773 a RETURN insn into a block which already ends with a jump.
6775 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6777 * haifa-sched.c (BUF_LEN): Increase a lot.
6779 2000-02-11 Nick Clifton <nickc@cygnus.com>
6781 * configure.in: Add tm_p_file specification for thumb targets.
6782 * configure: Regenerate.
6784 * config/arm/thumb-protos.h: New file: Prototypes for exported
6785 functions defined in thumb.c.
6787 2000-02-11 Robert Lipe <robertl@sco.com>
6789 * Makefile.in (bootstrap-lean): Remove additional files.
6790 (bootstrap2-lean): Likewise.
6791 (VOL_FILES): List of files for above.
6793 2000-02-11 Nathan Sidwell <nathan@acm.org>
6795 * cpphash.c (special_symbol): Remove spurious argument to
6798 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6800 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6802 * configure: Rebuilt.
6804 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6806 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6808 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6810 * pa.c, pa.h: Remove trigraph sequences within comments.
6812 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6814 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6816 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6818 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6820 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6822 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6824 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6826 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6827 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6828 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6829 (ASM_FILE_END): Use c4x_file_end.
6830 * config/c4x/c4x.c (c4x_global_label): New function.
6831 (c4x_external_ref, c4x_file_end): Likewise.
6833 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6834 (c4x_external_ref, c4x_end_file): Likewise.
6836 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6838 * cppexp.c: Don't include cpphash.h.
6839 (parse_charconst, cpp_lex): Use cpp_defined.
6840 (cpp_lex): Use get_directive_token throughout. Remove
6841 unnecessary cases from switch. Move assertion-handling code
6843 (cpp_parse_expr): If we see '+' or '-', check the context to
6844 determine if they are unary or binary operators. Streamline
6845 the jumps a bit. Do not call skip_rest_of_line.
6847 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6848 static. Export get_directive_token. Update commentary.
6849 (cpp_defined): New function.
6850 (do_define): Remove reference to T_PCSTRING. Call
6851 free_definition to release memory for old definition, when
6853 (eval_if_expression): Set only_seen_white to 0 before calling
6854 cpp_parse_expr. Call skip_rest_of_line after it returns.
6855 (cpp_read_check_assertion): Don't preserve a pointer into the
6856 token buffer across a call to cpp_get_token.
6858 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6859 * cppfiles.c (redundant_include_p): Use cpp_defined.
6860 * cpphash.c (free_definition): New function.
6861 (delete_macro): Use it. Update commentary.
6862 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6864 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6865 from enum node_type. Prototype cpp_defined and get_directive_token.
6866 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6868 * fix-header.c (check_macro_names): Use cpp_defined.
6869 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6870 the options structure.
6872 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6874 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6876 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6878 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6879 rather than die->die_tag.
6881 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6883 * combine.c (make_extraction, force_to_mode): Avoid warning on
6884 mixed-signedness conditionals.
6885 (make_field_assignment, nonzero_bits): Likewise.
6886 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
6887 (store_split_bit_field, extract_split_bit_field): Likewise.
6888 (extract_fixed_bit_field, store_bit_field,
6889 * expr.c: Change alignment to be unsigned everywhere.
6890 (move_by_pieces, store_constructor_field, store_constructor):
6891 Alignment parm is unsigned.
6892 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6893 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6894 (do_compare_rtx_and_jump): Likewise.
6895 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
6896 Compare align with GET_MODE_ALIGNMENT.
6897 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
6898 (get_inner_reference): Likewise.
6899 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
6900 (expand_assignment): Local vars for alignment now unsigned.
6901 (store_constructor, store_field, expand_expr, do_jump): Likewise.
6902 (do_compare_and_jump): Likewise.
6903 (store_field): Call new function expr_align.
6904 * expr.h (emit_block_move, emit_group_load, emit_group_store):
6905 Alignment arg now unsigned.
6906 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
6907 (do_compare_rtx_and_jump, store_bit_field): Likewise.
6908 (extract_bit_field): Likewise.
6909 * fold-const.c (add_double): Add cast to eliminate signedness warning.
6910 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
6911 (get_best_mode): Alignment arg is unsigned.
6912 * rtl.h (move_by_pieces): Likewise.
6913 * store-layout.c (maximum_field_alignment, set_alignment):
6915 (layout_decl): Alignment arg is now unsigned.
6916 Remove unneeded casts.
6917 (layout_record, layout_union, layout_type): Remove unneeded casts.
6918 Local alignment variables now unsigned.
6919 (get_best_mode): Alignment arg now unsigned.
6920 * tree.c (expr_align): New function.
6921 * tree.h (expr_align): Likewise.
6922 (maximum_field_alignment, set_alignment): Now unsigned.
6923 (get_inner_reference): Alignment argument is now pointer to unsigned.
6924 * varasm.c (assemble_variable): Add cast to eliminate warning.
6926 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
6928 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
6929 then store directly into op0.
6931 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
6932 the CALL_INSN, and emit the note immediately after it.
6934 2000-02-10 Nick Clifton <nickc@cygnus.com>
6936 * config/arm/thumb.md (epilogue): Include a (return) in the
6937 generated insn, and emit it using emit_jump_insn not
6940 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
6942 * function.c (assign_temp): Change zero-sized arrays to size 1.
6943 * integrate.c (expand_inline_function): Do not update
6944 stack_alignment_needed
6945 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
6946 add some sanity checking, remove optimization for function with
6949 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6951 * flow.c (mark_regs_live_at_end): Delete unused variables.
6953 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
6955 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
6956 in macro FRAME_GROWS_DOWNWARD.
6958 * stmt.c (expand_end_bindings): Delete unused variable.
6960 * unroll.c (iteration_info): Mark parameter `loop' with
6963 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6965 * fixinc/server.c (load_data): Return NULL if the marker line is
6967 (run_shell): If load_data returns NULL, retry the command once, in
6970 * configure: Rebuilt.
6972 2000-02-09 Bruce Korb <bkorb@gnu.org>
6974 * gcc/fixincludes: ** DELETED **
6975 * gcc/fixcpp: ** DELETED **
6976 * gcc/fixinc-nt.sed: ** DELETED **
6977 * gcc/just-fixinc: ** DELETED **
6978 * gcc/Makefile.in: Removed out-dated commentary
6979 * gcc/configure.in: Removed fast-fixincludes disablement.
6980 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
6982 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
6983 * function.c (thread_prologue_and_epilogue_insns): Uncomment
6986 2000-02-09 Richard Henderson <rth@cygnus.com>
6988 * jump.c (delete_insn): Don't delete user labels at -O0.
6990 2000-02-09 Robert Lipe <robertl@sco.com>
6992 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
6993 Don't link with HOST_LIBS.
6995 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
6997 * configure.in: Correct --help text for --with-dwarf2.
6998 Put tm-dwarf2.h after other tm files, if it's requested.
6999 * configure: Regenerate.
7000 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
7003 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7005 * cpplib.h: Provide HASHNODE typedef and forward decl of
7006 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
7007 DEFINITION, struct hashnode, struct macrodef, struct
7008 definition, scan_decls prototype, default defn of
7009 INCLUDE_LEN_FUDGE moved elsewhere.
7011 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
7012 definition, and struct hashnode moved here. Remove the unused
7013 'predefined' field from struct definition. Replace the 'args'
7014 union with its sole member. All users updated (cpphash.c).
7015 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
7016 multiple include guard.
7018 * cpphash.c (hashf): Make static; use better algorithm; drop
7019 HASHSIZE parameter; return an unsigned int.
7020 (cpp_lookup): Drop HASH parameter. PFILE parameter is
7021 used. Calculate HASHSIZE modulus here.
7022 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
7024 (create_definition): Drop PREDEFINITION parameter.
7025 * cpplib.c (do_define): Don't calculate a hash value here.
7026 Don't pass (keyword == NULL) to create_definition.
7028 * scan.h: Prototype scan_decls here.
7029 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
7030 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
7031 callers of cpp_lookup and cpp_install updated.
7033 * cpphash.c (macarg): Hoist all the flag diddling out of the
7035 (macroexpand): ... and out of the loop that calls macarg.
7036 Skip over the initial paren before macro arguments with
7037 cpp_get_non_space_token; point may be some distance before
7038 that paren. Abort if it's not there.
7040 * cpplib.c (parse_clear_mark): Delete function.
7041 (parse_set_mark, parse_goto_mark): Make static.
7042 (ACTIVE_MARK_P): New macro.
7043 (skip_block_comment, skip_line_comment): Do not bump the line
7044 if ACTIVE_MARK_P is true.
7045 (cpp_pop_buffer): The buffer to be popped may not have an
7047 (cpp_get_token): When looking for the initial paren before
7048 macro arguments, only set a mark in a file buffer, Always
7049 return to that mark before proceeding to call macroexpand or
7050 return a NAME token.
7052 * cpplib.h: Remove prototypes of parse_set_mark,
7053 parse_clear_mark, parse_goto_mark.
7054 (struct cpp_options): Rename 'put_out_comments' to
7055 'discard_comments' and invert its sense.
7056 * cppinit.c, cpphash.c, cpplib.c: All users of
7057 put_out_comments changed to use discard_comments, with
7060 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7062 * function.c (thread_prologue_and_epilogue_insns): Don't delete
7063 the edge from a block that both jumps and falls through to the
7066 2000-02-09 Scott Bambrough <scottb@netwinder.org>
7068 * config/arm/arm.md (movsi): In PIC mode, make sure that a
7069 constant source address is legitimate.
7071 2000-02-09 Philip Blundell <pb@futuretv.com>
7073 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
7076 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
7078 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
7080 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7082 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
7083 ends with a newline and a NUL. Don't be so clever manipulating
7086 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
7088 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
7089 not to BIGGEST_ALIGNMENT.
7091 2000-02-08 Geoff Keating <geoffk@cygnus.com>
7093 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
7094 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
7095 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
7096 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
7097 * frame.c (execute_cfa_insn): Handle
7098 DW_CFA_GNU_negative_offset_extended.
7100 2000-02-08 Richard Henderson <rth@cygnus.com>
7102 * flow.c (tidy_fallthru_edges): Split out from ...
7103 (delete_unreachable_blocks): ... here.
7104 (find_basic_blocks): Use it.
7106 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7108 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
7110 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
7112 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
7113 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
7114 (fix-header.o): Don't depend on cpphash.h.
7116 * scan.c (hashstr): New function.
7117 * scan.h: Prototype it.
7118 * fix-header.c: Don't include cpphash.h. Use hashstr.
7119 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
7120 hashstr. Report hash table statistics. Add private
7121 definition of xrealloc.
7123 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7125 * i386.h (TARGET_SWITCHES): Fix typo in option name.
7127 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
7129 * function.c (thread_prologue_and_epilogue_insns): Don't replace
7130 jumps with returns unless they are jumps to the fallthru block.
7132 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7134 * i386.md (addqi3_cc): Fix contraints.
7136 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7138 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7140 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7142 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7143 carriage return after a macro name.
7145 2000-02-07 Fred Fish <fnf@be.com>
7147 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7148 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7150 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7152 * cppfiles.c (deps_output): Count spacers in deps_column.
7154 2000-02-07 Neil Booth <NeilB@earthling.net>
7156 * cppinit.c (initialize_dependency_output): If there is no
7157 suffix, don't try to look for known suffixes. Use strrchr.
7158 (cpp_start_read): Remove duplicate initialization.
7160 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7162 * calls.c (compute_argument_block_size): New argument
7163 preferred_stack_boundary.
7164 (expand_call): update cfun->preferred_stack_boundary, update call of
7165 compute_argument_block_size
7166 (emit_library_call): Increate cfun->preferred_stack_boundary
7167 to PREFERRED_STACK_BOUNDARY
7168 (emit_library_call_value): Likewise.
7169 * explow.c (allocate_dynamic_stack_spave): Likewise.
7170 * function.c (prepare_function_start): Set
7171 cfun->preferred_stack_boundary
7172 * function.h (struct function): Add preferred_stack_boundary field.
7173 * integrate.c (expand_inline_function): Update
7174 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7175 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7176 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7178 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7180 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7181 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7182 cpp_pedwarn, cpp_pedwarn_with_line,
7183 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7184 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7185 v_cpp_error_with_line, v_cpp_warning_with_line,
7186 cpp_message_from_errno, cpp_perror_with_name): Delete.
7188 * cpperror.c (cpp_print_containing_files): Take starting
7190 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7191 (v_cpp_message): Now called directly by all entry points.
7193 (cpp_pfatal_with_name, cpp_message): Delete.
7194 (cpp_notice_from_errno, cpp_ice): New functions.
7195 (cpp_notice): Is now for reporting error conditions, just
7196 without an associated file.
7197 (cpp_error, cpp_error_with_line): Don't do anything if
7198 opts->inhibit_errors is on.
7199 (cpp_pedwarn_with_file_and_line): Take column argument also.
7201 * cpplib.h: Update prototypes of exported functions.
7202 (struct cpp_options): Add inhibit_errors.
7204 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7205 non-error messages. Include intl.h.
7207 * cppinit.c, cppmain.c: Likewise. Also, use
7208 cpp_notice_from_errno instead of cpp_perror_with_name or
7209 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7211 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7212 report internal errors.
7214 * cpplib.c (do_define): Switch bcopy to memcpy.
7215 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7217 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7218 bail out early if we hit a line comment.
7220 2000-02-06 Richard Henderson <rth@cygnus.com>
7222 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7223 * basic-block.h: Declare them.
7224 * emit-rtl.h (active_insn_p): New.
7225 (next_active_insn, prev_active_insn): Use it.
7226 * rtl.h: Declare it.
7227 * function.c (emit_return_into_block): New.
7228 (thread_prologue_and_epilogue_insns): Insert return insns instead
7229 of epilogues when possible.
7230 * jump.c (jump_optimize_1): Remove code to insert a return insn
7231 on the fallthru to the exit block.
7233 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7234 and for non-empty stack frames.
7235 * i386.md (return): Expand to return-pop as needed.
7237 2000-02-06 Richard Henderson <rth@cygnus.com>
7239 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7240 constant to op1 for testing.
7242 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7244 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7245 (fixuns_truncqfqi2): Use it.
7247 2000-02-06 Richard Henderson <rth@cygnus.com>
7249 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7252 * i386.md (widening and peepholes): Mask the constant instead of
7255 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7257 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7258 input pointer before possibly branching off to the backslash
7260 * cpphash.c (macroexpand): Correctly delete \r escapes when
7261 stringifying parameters.
7262 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7263 if we can; bail out early if we hit a line comment.
7264 (handle_directive): Treat '# 123' in an .S file just like
7265 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7266 Return 1 for '# not_a_directive'.
7267 (get_directive_token): Pop macro buffers here, so that
7268 cpp_get_token can't sneakily move past a newline.
7270 (cpp_get_token): goto randomchar if handle_directive returns 0.
7272 * cppalloc.c: Update copyright.
7273 * cpplib.c: Merge all the static function prototypes into one
7275 * cpplib.h: Remove #if 0 block.
7277 * cpperror.c: Remove #ifdef EMACS block.
7278 * cppmain.c: Likewise.
7279 * cpphash.c: Remove #if 0 blocks.
7280 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7281 * cpplib.c: Remove #if 0 blocks and code referencing
7282 pcp_inside_if or for_lint. Remove duplicate error message.
7283 Fix error messages for #else after #else or #elif. Reformat.
7284 Remove archaic TODO list.
7285 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7287 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7289 * i386/osf1elf.h: Add missing backslash to multiline string.
7291 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7293 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7295 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7297 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7299 * c-common.c: Include expr.h.
7301 * c-pragma.c (mark_align_stack): Add prototype.
7303 * caller-save.c (add_stored_regs): Likewise.
7305 * combine.c (record_promoted_value): Likewise.
7307 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7310 * cppinit.c (new_pending_define): Likewise.
7312 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7314 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7315 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7316 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7317 class_scope_p): Likewise.
7319 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7320 dwarf2out_add_library_unit_info): Likewise.
7322 * ggc.h (ggc_page_print_statistics): Likewise.
7324 * haifa-sched.c (propagate_deps): Likewise.
7326 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7328 * rtl.h (set_stack_check_libfunc): Likewise.
7330 * toplev.h (set_fatal_function): Likewise.
7332 * toplev.c (set_fatal_function): Delete prototype.
7334 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7336 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7338 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7339 (FUNC_END): Likewise.
7341 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7343 * caller-save.c: Include tm_p.h.
7345 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7347 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7349 2000-02-04 Neil Booth <NeilB@earthling.net>
7351 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7354 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7356 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7357 * genflags.c: Use the max_operand_1 logic from genemit.c to
7358 calculate how many arguments gen_insn prototypes have. Remove
7359 NO_MD_PROTOTYPES ifdefs from the generated file.
7360 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7361 file. Cast gen_insn initializers to insn_gen_fn.
7362 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7363 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7365 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7367 * fixinc/Makefile.in (HDR): Add machname.h.
7370 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7372 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7373 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7374 (c4x_cpu_version): Ditto.
7375 * config/c4x/c4x-protos.h: ... here.
7377 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7379 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7380 gen_abstract_function on our context if we're a nested function.
7382 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7384 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7385 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7387 2000-02-04 Bruce Korb <bkorb@gnu.org>
7389 * fixinc/genfixes(machname.h):
7390 Move the functionality from gen-machine.h into this file.
7391 UNdef MN_NAME_PAT if there are no names to change.
7392 Also, be a little kinder when AutoGen is not present.
7394 * fixinc/Makefile.in(machname.h):
7395 Change the generation rule to use genfixes.
7397 * fixinc/fixfixes.c(machine_name):
7398 machine_name_fix's functionality now dependent upon whether
7399 MN_NAME_PAT is defined.
7401 * fixinc/fixtests.c(machine_name):
7404 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7407 * fixinc/fixlib.h(mn_get_regexps):
7410 * fixinc/gen-machine.h: DELETED
7412 2000-02-04 Jan Hubicka <jh@suse.cz>
7413 Richard Henderson <rth@cygnus.com>
7415 * i386.c (SAVE_REGS_FIRST): Remove.
7416 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7417 (ix86_compute_frame_size): Likewise.
7418 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7419 (ix86_emit_restore_regs): Remove.
7420 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7421 when a frame pointer is in use.
7422 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7423 instead of pop to restore a register when profitable; emit leave
7425 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7427 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7428 * i386.md (prologue_allocate_stack): Remove.
7429 (epilogue_deallocate_stack): Remove.
7430 (pro_epilogue_adjust_stack): New.
7432 2000-02-04 Richard Henderson <rth@cygnus.com>
7434 * function.c (diddle_return_value): Rework to use a callback function.
7435 Use current_function_return_rtx if it's been set up.
7436 (do_clobber_return_reg, clobber_return_register): New.
7437 (do_use_return_reg, use_return_register): New.
7438 (expand_function_end): Use them.
7439 * stmt.c (expand_null_return): Likewise.
7440 * function.h: Declare them.
7441 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7442 (mark_reg): Change arguments as appropriate for callback.
7443 * integrate.c (expand_inline_function): Revert 19 Jan change.
7445 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7447 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7448 (Misc): Say the scheduler, not the Haifa scheduler.
7450 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7452 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7453 when in_mem is set. Update all callers.
7455 2000-02-04 Richard Henderson <rth@cygnus.com>
7457 * i386/openbsd.h (INT_ASM_OP): Define.
7459 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7461 * tm.texi: Fix various typos.
7463 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7465 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7466 (MD_STARTFILE_PREFIX_1): New macro.
7468 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7470 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7471 destination when needed.
7472 (strmovsi, strsetsi): New expander.
7473 (strmovsi_1, strsetsi_1): New pattern.
7474 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7475 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7476 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7477 * invoke.texi (align-stringops, inline-all-stringops): Document.
7479 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7481 * i386/netbsd.h (INT_ASM_OP): Define.
7483 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7485 * cpplib.h (cpp_reader): Add new flag, no_directives.
7486 * cpphash.c (macarg): Set it.
7487 * cpplib.c (handle_directive): If no_directives is on and we
7488 find a directive, issue an error and discard the line.
7490 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7492 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7493 FP constants. Add ! TARGET_FPU check for FP constants.
7495 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7497 * flow.c (find_basic_blocks): Don't kill label_value_list
7499 (cleanup_cfg): Kill it here.
7501 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7503 * expr.c (store_field): Ensure ALIGN is no stricter than the
7506 2000-02-02 Richard Henderson <rth@cygnus.com>
7508 * jump.c (delete_insn): Partially revert 19 Jan change;
7509 don't convert unused code labels to notes at -O0.
7511 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7513 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7514 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7516 2000-02-01 Richard Henderson <rth@cygnus.com>
7518 * i386.c (general_no_elim_operand): New.
7519 (nonmemory_no_elim_operand): New.
7520 (ix86_expand_move): Copy eliminable operands before a push.
7521 * i386-protos.h: Declare new functions.
7522 * i386.h (CAN_ELIMINATE): Simplify.
7523 (PREDICATE_CODES): Update.
7524 * i386.md (push insns): Don't allow eliminable register operands.
7526 2000-02-01 Richard Henderson <rth@cygnus.com>
7528 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7529 replace BLKmode with DECL_RTL's mode.
7531 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7533 * frame.c (find_fde): Convert for loop to do-while so compiler
7534 sees it's always executed at least once.
7535 * libgcc2.c (BBINBUFSIZE): Kill.
7536 (__bb_init_prg): Use fgets.
7537 (__bb_exit_trace_func): Don't paste strings.
7538 * unroll.c (unroll_loop): Initialize unroll_type, not
7539 unroll_number, and tweak logic to match.
7541 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7543 (ix86_flags_dependant): Likewise. Disentangle control flow.
7544 (ix86_sched_reorder): Break guts out to
7545 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7546 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7549 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7550 use string concatenation. Don't save and restore esi.
7552 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7553 (machname.h): Remove script to separate file. Use two-step
7554 sequence so target is not created if script fails.
7555 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7556 identifiers are defined.
7557 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7558 an empty string, machine_name doesn't need to do anything at
7560 (is_cxx_header): Add more cases to regexp.
7561 * fixinc/fixlib.h: Update prototype.
7562 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7564 * fixinc/fixincl.c: Define NO_BOGOSITY.
7566 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7567 (hp_sysfile): Add missing comma.
7568 (math_exception): Put the wrapper ifdefs at the beginning and
7569 the end of the file.
7570 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7572 2000-02-01 Richard Henderson <rth@cygnus.com>
7574 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7575 Use CONST0_RTX. Update all callers.
7576 * sparc.h, sparc-protos.h: Update accordingly.
7577 * sparc.md (fp mov insns): Use fp_zero_operand directly
7580 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7582 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7585 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7587 * Makefile.in (specs.ready): New target.
7588 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7590 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7592 * fixinc.irix: Use unique filenames for writing into /tmp,
7593 * fixinc.ptx: Likewise.
7594 * fixinc.sco: Likewise.
7595 * fixinc.svr4: Likewise.
7596 * fixinc.winnt: Likewise.
7598 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7600 * tsystem.h: New file.
7602 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7603 s-crtS): Depend on tsystem.h.
7605 * crtstuff.c: Include tsystem.h.
7606 * frame.c: Likewise.
7607 * libgcc2.c: Likewise.
7609 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7611 * builtins.c (expand_builtin_memset): Expand for variable sized
7614 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7616 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7619 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7621 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7623 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7625 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7627 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7628 case 3->2 combining (combining with splitting) in which 2 is CC0
7629 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7630 checked at the begining of the function with the aid of calling
7631 function 'can_combine_p'.
7633 2000-01-31 Dave Brolley <brolley@redhat.com>
7635 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7637 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7639 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7642 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7644 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7646 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7649 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7651 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7652 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7653 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7654 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7655 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7656 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7657 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7658 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7659 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7660 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7662 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7663 Add %(cpp_cpu) to CPP_SPEC.
7665 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7666 Add %(cc1_cpu) to CC1_SPEC.
7668 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7670 * c-decl.c (c_decode_option): Accept optional numeric argument to
7671 -Wformat and set warn_format.
7672 * c-common.c: Don't emit warning about non-constant printf format
7673 string unless warn_format > 1.
7675 2000-01-30 Richard Henderson <rth@cygnus.com>
7677 * alpha.md (return_internal): Allow after reload only.
7679 2000-01-30 Richard Henderson <rth@cygnus.com>
7681 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7682 local frame size is zero.
7684 2000-01-30 Richard Henderson <rth@cygnus.com>
7686 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7687 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7688 * alpha.md (return): Turn into an expander.
7689 (return_internal): Don't use $26.
7690 (epilogue): Emit the return insn.
7692 2000-01-30 Richard Henderson <rth@cygnus.com>
7694 * alpha.md (negtf2, abstf2): Fix word order thinko.
7696 (trunctfsf2): Avoid intermediate rounding errors.
7698 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7700 * cppfiles.c (find_position): Drop 'colp' argument, return the
7702 (read_and_prescan): Adjust to match. Don't ever manipulate
7703 line or line_base except via find_position.
7705 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7707 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7708 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7711 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7713 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7714 just print "<command line>". If 'filename' is null or an
7715 empty string, print "<stdin>" for the filename.
7716 * cpplib.c (do_define): Don't print the 'location of the
7717 previous definition' message if we're still parsing the
7719 (cpp_pedwarn_with_file_and_line): Always call
7720 cpp_file_line_for_message.
7722 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7724 * flow.c (mark_regs_live_at_end): Fix typo.
7726 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7728 * c-common.c: Adjust variable names, comments, help strings to c99.
7729 * c-lex.c: Likewise.
7730 * c-parse.y: Likewise.
7731 * c-tree.h: Likewise.
7733 * cpplib.h: Likewise.
7734 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7735 * cppinit.c: Likewise.
7737 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7739 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7740 * c4x.c: Define the optab rtx values.
7741 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7742 (c4x_emit_libcall): Use new optab rtx values.
7743 (c4x_emit_libcall3): Likewise.
7744 (c4x_emit_libcall_mulhi): Likewise.
7745 * c4x-protos.h: Add prototypes for optab rtx values and change
7746 prototypes for above c4x_emit_libcall functions.
7748 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7750 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7752 (c4x_function_prologue): Use regnames intead of float_reg_names when
7754 (c4x_function_epilogue): Likewise.
7755 (c4x_print_operand): Likewise.
7756 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7757 * c4x.md (set_high): Disable for TARGET_TI.
7759 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7761 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7762 of framepointer + constant to ADDR_REGS class.
7763 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7764 * c4x.c (std_or_reg_operand): New function.
7765 * c4x-protos.h (std_or_reg_operand): Prototype it.
7767 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7769 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7770 object names as libgcc2.c.
7771 * libgcc.S: Use newly defined names.
7773 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7774 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7776 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7777 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7778 (FLOW_LOOP_LAST_BLOCK): Likewise.
7780 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7782 * basic-block.h (struct loop): New fields 'first' and 'last'.
7783 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7784 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7785 and loop->last to check for NOTE_INSN_LOOP_END.
7787 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7789 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7790 of the loop descriptor rather than HEADER and LATCH. Also added
7791 missing break statements as well making some coding style modifications
7792 as suggested by Michael Hayes.
7794 2000-01-28 Richard Henderson <rth@cygnus.com>
7796 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7797 Break out that code ...
7798 (cleanup_cfg): ... here.
7799 (commit_one_edge_insertion): Detect a return instruction being
7800 emitted to an edge. Emit a barrier following; clear fallthru.
7801 (commit_edge_insertions): Verify CFG consistency.
7802 * function.c (expand_function_start): Kill unused variable.
7803 (expand_function_end): Likewise.
7804 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7805 to insert the epilogue.
7807 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7808 (delete_null_pointer_checks): Likewise.
7809 * output.h: Likewise.
7810 * reg-stack.c (reg_to_stack): Likewise.
7811 * toplev.c (rest_of_compilation): Likewise. Run
7812 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7814 2000-01-28 Richard Henderson <rth@cygnus.com>
7816 * Makefile.in (flow.o): Revert 24 Jan change.
7817 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7818 FUNCTION_VALUE result to DECL_RESULT's mode.
7820 * haifa-sched.c (schedule_insns): Don't recompute reg info
7823 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7825 * configure.in: Make --enable-cpplib the default.
7826 * configure: Regenerate.
7827 * gcc.dg/990119-1.c: No longer expected to fail.
7829 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7831 * jump.c (jump_optimize_1): Delete an optimization that is also done
7832 by merge_blocks in flow.
7834 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7836 * diagnostic.c (build_message_string, output_printf,
7837 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7838 (build_location_prefix): Fix non-literal format string.
7840 2000-01-27 Richard Henderson <rth@cygnus.com>
7842 * alpha.md (trunctfsf2): New.
7844 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7846 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7848 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7850 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7852 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7854 (skip_comment) ... here. Permit C++ comments in system
7855 headers always. Warn about C++ comments in user code under
7856 -std=gnu89 -pedantic.
7857 (copy_comment): Use skip_comment.
7858 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7860 (consider_directive_while_skipping, do_else, do_endif): Call
7861 validate_else unconditionally.
7862 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7863 text after the conditional in a system header.
7864 * cpplib.h (struct cpp_buffer): Add flag
7865 warned_cplusplus_comments.
7867 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7869 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7870 Use unshare_all_rtl_1.
7871 (unshare_all_rtl_again): New function.
7872 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7874 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7875 rather than resetting the 'used' flags ourself.
7877 * toplev.c (rest_of_compilation): Add current_function_decl
7878 to the unshare_all_rtl call.
7879 * tree.h: Prototype unshare_all_rtl.
7880 * rtl.h: Prototype unshare_all_rtl_again here.
7882 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7884 * genoutput.c (output_prologue): Include ggc.h in generated
7886 * Makefile.in (insn-output.o): Depends on ggc.h.
7888 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
7889 Hans-Peter Nilsson <hp@bitrange.com>
7891 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
7892 Remove redundant include of xm-ns32k.h.
7893 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
7894 Remove redundant include of xm-ns32k.h.
7895 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
7896 Remove redundant include of xm-ns32k.h.
7897 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
7899 * ns32k/ns32k.h: Update comment on multiply-add instructions.
7900 (TARGET_SWITCHES): Add documentation strings.
7901 (DWARF_FRAME_REGNUM): Override default definition.
7902 (REG_CLASS_CONTENTS): Add comments.
7903 (SUBSET_P): Format to reduce line length.
7904 (SMALL_REGISTER_CLASSES): Make a run time option.
7905 (GO_IF_NONINDEXED_ADDRESS): Reformat.
7906 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
7907 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
7908 (regclass_map): fix typo in comment.
7909 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
7910 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
7911 (trace, reg_or_mem_operand): Delete, unused function.
7912 (calc_address_cost): Small offsets are cheaper than large ones.
7913 (expand_block_move): Generate more efficient code when bytes is a
7914 known at compile time.
7915 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
7916 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
7917 instead of reg_or_mem_operand.
7919 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
7920 not general_operand. Similarly use "=rm" or stricter, not "=g".
7921 For input operands, use stricter constraints than "g" if not
7922 general_operand. Similarly use stricter predicate than
7923 "general_operand" when stricter constraints than "g" are present,
7924 except for matching constraints.
7925 (movstrsi): Use "memory_operand" for operands 0 and 1.
7926 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
7927 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
7928 not reg_or_mem_operand.
7929 (udivmoddisi4): Ditto.
7930 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
7931 Use nonimmediate_operand for operand 3, not register_operand.
7932 (udivmoddiqi4_internal): Use register_operand for operand 1, not
7935 2000-01-27 Fred Fish <fnf@be.com>
7937 * gthr-posix.h: Fix typo; compatibily -> compatibility.
7938 * gthr-single.h: Likewise.
7939 * gthr-solaris.h: Likewise.
7940 * gthr-vxworks.h: Likewise.
7941 * gthr-win32.h: Likewise.
7944 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7946 * cppinit.c: Add " (cpplib)" to end of string printed by
7949 2000-01-27 Richard Henderson <rth@cygnus.com>
7951 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
7952 testing for a signed comparison.
7953 (alpha_emit_floatuns): New.
7954 * alpha-protos.h: Declare it.
7955 * alpha.md (floatunsdisf2, floatunsdidf2): New.
7956 (extendsfdf2): Tidy.
7958 2000-01-27 Jakub Jelinek <jakub@redhat.com>
7960 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
7961 no -g option specifying debugging format, default to -gstabs+.
7963 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7965 * calls.c (special_function_p): New argument fork_or_exec.
7966 (expand_call): When profile_arc_flag is set and the function
7967 is in the fork_or_exec group, call __bb_fork_func first.
7968 * libgcc2.c, _bb module (__bb_fork_func): New function.
7969 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
7971 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
7972 * tree.h (special_function_p): Update prototype.
7974 2000-01-26 Richard Henderson <rth@cygnus.com>
7976 * alpha.c (alpha_split_tfmode_pair): New.
7977 * alpha-protos.h: Declare it.
7978 * alpha.md (abstf2, negtf2): New.
7979 (movtf insn): Add input G constraint.
7980 (movtf splitter): Use alpha_split_tfmode_pair.
7982 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7984 * i386/cygwin.h: PROTO -> PARAMS.
7986 2000-01-26 Jakub Jelinek <jakub@redhat.com>
7988 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
7989 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
7990 using _Qp_cmp/_Q_cmp and testing the return value.
7991 (print_operand): Call reverse_condition_maybe_unordered if
7992 we are handling CCFPmode or CCFPEmode.
7993 Handle ORDERED, UN* and LTGT comparisons.
7994 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
7995 if not TARGET_HARD_QUAD.
7996 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
7997 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
7998 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
7999 Adjust gen_b* calls so that they reflect return comparison of
8000 sparc_emit_float_lib_cmp.
8002 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8004 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
8005 incoming operands array is large enough for one more operand.
8006 (alpha_emit_xfloating_arith): Likewise.
8008 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8010 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
8011 file with one line and no trailing newline.
8012 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
8013 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
8014 checking if the match is on the line.
8015 * fixinc/gnu-regex.c: Provide regerror not __regerror.
8017 2000-01-25 Richard Henderson <rth@cygnus.com>
8019 * sparc.c (output_cbranch): Fix accidental squashing of the
8020 fp branch pre-delay nop.
8022 2000-01-25 Richard Henderson <rth@cygnus.com>
8024 * tree.def (UNNE_EXPR): Remove.
8025 * c-typeck.c (build_binary_op): Don't handle it.
8026 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
8028 * rtl.def (UNNE): Remove.
8030 * jump.c (reverse_condition): Update accordingly.
8031 (swap_condition): Likewise.
8032 (comparison_dominates_p): Handle unordered comparisons.
8033 (reverse_condition_maybe_unordered): New.
8034 * rtl.h (reverse_condition_maybe_unordered): Declare.
8036 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
8037 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
8038 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
8039 * sparc.md (bltgt): New.
8041 2000-01-25 Nick Clifton <nickc@redhat.com>
8043 * emit-rtl.c (emit_insn): Only check machine class insns for
8044 improper emission of a RETURN.
8046 2000-01-25 Richard Henderson <rth@cygnus.com>
8048 * Makefile.in (flow.o): Depend on $(EXPR_H).
8049 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
8050 duplicate the structure of diddle_return_value for keeping regs live.
8052 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8054 * loop.c (current_loop_info): Delete.
8055 (consec_sets_invariant_p): Add loop argument, update callers.
8056 (get_condition_for_loop): Likewise.
8057 (count_nonfixed_reads, update_giv_derive): Likewise.
8058 (simplify_giv_expr, general_induction_var): Likewise.
8059 (consec_sets_giv, recombine_givs): Likewise.
8060 (move_movables): Delete loop_start and loop_end arguments,
8061 add loop argument, and update callers.
8062 (find_mem_givs, check_final_value): Likewise.
8063 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
8064 (loop_invariant_p): Rename from invariant_p, add loop argument, and
8066 (basic_induction_var): Add loop argument, delete loop_level argument,
8068 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
8069 add loop argument, and update callers.
8070 (find_splittable_regs, find_splittable_givs): Likewise.
8071 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
8072 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
8073 (biv_total_increment): Delete loop_start and loop_end arguments;
8075 (precondition_loop_p): Delete loop_start and loop_info arguments;
8077 * loop.h (get_condition_for_loop): Add loop argument.
8078 (biv_total_increment): Delete loop_start and loop_end arguments.
8079 (precondition_loop_p): Delete loop_start and loop_info arguments;
8081 (final_biv_value): Delete loop_start and loop_end arguments;
8083 (final_giv_value, back_branch_in_range_p): Likewise.
8085 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8087 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
8089 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8091 * Makefile.in (c-gperf.h) : Change the "See" pointer to
8092 point to the new "generated_files" doc.
8094 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8096 * config/fp-bit.c (_unord_f2): Fix typo.
8098 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8100 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
8101 c-typeck.c, objc/objc-act.c: Remove all references to obstack
8102 functions obsoleted by GC, such as push_obstacks_nochange,
8103 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
8104 and code which existed only to decide whether or not to call
8105 them. Remove now-unused NESTED argument from start_function;
8106 all callers changed. Do not change behavior based on ggc_p.
8107 The use of the ixp_obstack in c-iterate.c and the util_obstack
8108 in objc/objc-act.c remain; these are not obsoleted by garbage
8110 * c-tree.h: Update prototype for start_function.
8112 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
8114 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8116 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
8119 2000-01-25 Richard Henderson <rth@cygnus.com>
8121 * sparc-protos.h (select_cc_mode): Declare.
8122 * sparc.c (select_cc_mode): New. Handle unordered compares.
8123 (output_cbranch): Always reverse via code change. Handle
8124 unordered compares. Factor tests and string updates.
8125 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
8126 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
8127 * sparc.md (bunordered, bordered): New.
8128 (bungt, bunlt, buneq, bunge, bunle): New.
8130 2000-01-25 Richard Henderson <rth@cygnus.com>
8132 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8133 * ggc-common.c (ggc_add_rtx_varray_root): New.
8134 (ggc_mark_rtx_varray): New.
8135 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8136 functions down below ggc_mark_foo.
8137 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8139 2000-01-25 Richard Henderson <rth@cygnus.com>
8141 * alpha.c (secondary_reload_class): Don't allocate a secondary
8142 for integral mode memories into FLOAT_REGS. Rearrange the more
8143 complicated memory expression inward.
8145 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8147 * inclhack.def: Fixes to play nicer with FreeBSD, and
8148 corrections to comments.
8149 (cxx_unready): Add select expression.
8150 (irix_sockaddr): Add bypass expression.
8151 (machine_ansi_h_va_list): New fix.
8152 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8153 Split out addition of "#include <stdarg.h>" to...
8154 (stdio_stdarg_h): ... here.
8155 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8156 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8157 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8159 (ultrix_ifdef): Tighten up select expression.
8161 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8162 re_ct and max_mach to avoid use of shell. Make printed names
8163 match names in inclhack.def. Use static copyright date.
8164 Don't count c_test and test expressions as requiring regex_t
8165 slots. Add some commentary.
8166 * inclhack.tpl: Do not include the 'This script contains N
8167 fixup scripts' line if PROGRAM is defined. Use static
8170 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8172 * dwarf2out.c: include "varray.h", not dyn-string.h.
8173 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8174 (addr_const_to_string, addr_to_string): Lose.
8175 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8176 (struct dw_val_struct): val_addr is now an rtx.
8177 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8178 (used_rtx_varray): New varray.
8179 (dwarf2out_init): Initialize it.
8181 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8183 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8184 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8185 * Makefile.in (dwarf2out.o): Update dependencies.
8187 2000-01-24 Richard Henderson <rth@cygnus.com>
8189 * i386.c (i386_dwarf_output_addr_const): New.
8190 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8192 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8194 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8195 * i386.c (i386_simplify_dwarf_addr): New.
8196 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8198 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8200 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8201 TYPE_STUB_DECL is NULL.
8203 2000-01-24 Richard Henderson <rth@cygnus.com>
8205 * builtins.c (expand_tree_builtin): Move ...
8206 * c-common.c (expand_tree_builtin): ... here.
8208 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8210 * loop.h (LOOP_INFO): New accessor macro.
8211 * basic-block.h (struct loop): Rename field `info' to `aux'.
8212 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8213 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8214 * unroll.c (loop_iterations, unroll_loop): Likewise.
8216 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8218 * config/i386/t-cygwin: Accomodate new winsup directory layout
8219 when searching for include files.
8221 2000-01-24 Richard Henderson <rth@cygnus.com>
8223 * rtl.def: Add unordered fp comparisions.
8224 * tree.def: Likewise.
8225 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8227 * builtins.c (expand_tree_builtin): New function.
8228 * c-typeck.c (build_function_call): Use it.
8229 (build_binary_op): Support unordered compares.
8230 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8232 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8233 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8234 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8235 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8236 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8238 (swap_condition): Handle unordered compares.
8239 (thread_jumps): Check can_reverse before reversing.
8240 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8243 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8244 setcc is present before acking for cmp_optab. Update all callers.
8245 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8246 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8247 * expr.c (expand_expr): Likewise. Support unordered compares.
8248 (do_jump, do_store_flag): Likewise.
8249 * expr.h (enum libfunc_index): Add unordered compares.
8251 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8252 (DPBIT_FUNCS): Add _unord_df.
8253 * config/fp-bit.c (_unord_f2): New.
8254 * fp-test.c (main): Try unordered compare builtins.
8256 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8257 * alpha.c (alpha_comparison_operator): Check mode properly.
8258 (alpha_swapped_comparison_operator): Likewise.
8259 (signed_comparison_operator): Likewise.
8260 (alpha_fp_comparison_operator): New.
8261 (alpha_emit_conditional_branch): Handle unordered compares.
8262 * alpha.h (PREDICATE_CODES): Update.
8263 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8264 (bunordered, bordered): New.
8266 2000-01-24 Richard Henderson <rth@cygnus.com>
8268 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8269 * alpha.md (movtf): New expander, insn, and splitter.
8271 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8273 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8276 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8278 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8279 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8280 REG_ALLOC_ORDER): Add frame pointer
8281 (FRAME_POINTER_REGNUM): Set to 20
8282 (HARD_FRAME_POINTER_REGNUM): New macro.
8283 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8284 to HARD_FRAME_POINTER.
8285 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8286 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8287 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8288 (HI_REGISTER_NAMES): Add "frame".
8289 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8290 (debug_reg): Handle FRAME_POINTER_REGNUM.
8291 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8292 GENERAL_REGS and INDEX_REGS.
8293 * i386.c (SAVED_REGS_FIRST): new macro.
8294 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8295 (ix86_decompose_address, memory_address_length): Likewise.
8296 (regclass_map): Add frame pointer.
8297 (call_insn_operand): Handle frame_pointer_rtx.
8298 (reg_no_sp_operand): Likewise.
8299 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8300 (print_operand, legitimize_pic_address): Fix formating.
8301 (ix86_compute_frame_size): Make static, update prototype, new
8302 parameters padding1, padding2, use ix86_nsaved_regs, use
8303 stack_alignment_needed.
8304 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8305 to HARD_FRAME_POINTER_REGNUM conversions.
8306 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8307 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8308 (print_reg): Abort on FRAME_POINTER_REGNUM
8310 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8312 * i386.h (PREDICATE_CODES): Add aligned_operand.
8313 * i386.c (aligned_operand): New function.
8314 (ix86_aligned_p): Kill.
8315 * i386.md (movhi_1): Emit mov for aligned operands.
8316 (promoting peep2s): Use aligned_operand.
8318 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8320 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8321 expression to allow underscores in macro names.
8322 (fix_char_macro_defines): Increment scanning pointer.
8324 2000-01-23 Richard Henderson <rth@cygnus.com>
8326 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8327 * alpha/osf5.h: New file.
8328 * configure.in (alpha-*-osf5): Add it to tm_file.
8330 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8332 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8333 (alpha_emit_xfloating_cvt, function_arg): Declare.
8334 * alpha.c (alpha_emit_conditional_branch): Call
8335 alpha_emit_xfloating_compare for TFmode compares.
8336 (alpha_lookup_xfloating_lib_func): New.
8337 (alpha_compute_xfloating_mode_arg): New.
8338 (alpha_emit_xfloating_libcall): New.
8339 (alpha_emit_xfloating_arith): New.
8340 (alpha_emit_xfloating_compare): New.
8341 (alpha_emit_xfloating_cvt): New.
8342 (print_operand): Add default abort case.
8343 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8344 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8345 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8346 (RETURN_IN_MEMORY): True for TF/TCmode.
8347 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8348 (FUNCTION_ARG): Move to function_arg.
8349 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8350 (ASM_OUTPUT_LONG_DOUBLE): New.
8351 (ASM_OUTPUT_DOUBLE): Always output bits.
8352 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8353 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8354 (extenddftf2, trunctfdf2): New.
8356 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8358 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8359 * config/sparc/sol2.h: ... here.
8361 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8363 * basic-block.h (struct loops): New field `levels'.
8364 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8365 (flow_loop_level_compute): Initialise level to 1.
8366 (flow_loops_find): Set loops->levels.
8367 (flow_loops_dump): Print loops->levels.
8369 2000-01-23 Richard Henderson <rth@cygnus.com>
8371 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8372 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8374 2000-01-23 Richard Henderson <rth@cygnus.com>
8376 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8377 * i386.h (DBX_REGISTER_NUMBER): Use them.
8378 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8379 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8380 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8381 * i386/sequent.h: Kill incorrect comment.
8383 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8385 * ggc-page.c (struct page_entry): Make `context_depth' an
8387 (struct globals): Likewise.
8389 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8391 * loop.c (check_dbra_loop): When checking a loop for
8392 reversability, check the source of any stores to ensure
8393 they don't depend on an initial value.
8395 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8397 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8399 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8401 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8402 'pz_scan' into scope of entire function. Only affects
8403 compiles with -DDEBUG.
8405 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8407 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8408 section naming to that prior to 2000-01-07 patch.
8409 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8410 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8411 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8412 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8413 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8415 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8417 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8420 2000-01-21 Jim Wilson <wilson@cygnus.com>
8422 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8423 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8425 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8427 * cpphash.c (change_newlines): Delete function.
8428 (struct argdata): Delete 'newlines' and 'use_count' fields.
8429 (macroexpand): Remove code referencing those fields.
8431 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8433 * loop.c (loops_info): New variable.
8434 (loop_optimize): Allocate loops->array and free it on exit.
8435 Allocate memory for loops_info and assign to each loop,
8437 (find_and_verify_loops): Do not allocate loops->array.
8439 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8441 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8443 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8445 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8446 pseudos if expanded after first flow.
8447 (movdi_pic_label_ref): Likewise.
8449 2000-01-20 Richard Henderson <rth@cygnus.com>
8451 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8453 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8455 * Makefile.in (fixinc.sh): Depend on specs.
8456 * fixinc/Makefile.in: Add rule to create machname.h.
8457 (fixlib.o): Depend on machname.h.
8458 * fixinc/fixtests.c (machine_name): New test.
8459 * fixinc/fixfixes.c (machine_name): New fix.
8460 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8461 the machine_name test and fix.
8462 * fixinc/fixlib.h: Prototype it.
8463 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8464 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8466 * gcc.c (do_spec_1) [case P]: Take care not to create
8467 identifiers with three leading or trailing underscores.
8469 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8470 (fixincl): Don't specify libraries twice on link line.
8471 (gnu-regex.o): Remove special rule.
8472 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8473 defined by config.h. Do not define _REGEX_RE_COMP.
8474 (regcomp): Allocate and initialize a fastmap.
8475 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8477 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8479 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8481 2000-01-19 Richard Henderson <rth@cygnus.com>
8483 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8484 arguments with BB. Update all callers. Tidy line wrapping.
8486 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8488 * emit-rtl.c (try_split): Return last_insn if we split the
8491 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8493 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8494 (ix86_initial_elimination_offset): Declare.
8495 * i386.c (ix86_nsaved_regs): Break out from ...
8496 (ix86_can_use_return_insn_p): ... here.
8497 (ix86_emit_save_regs): Break out from ...
8498 (ix86_expand_prologue): ... here.
8499 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8501 (ix86_expand_epilogue): ... here.
8502 (ix86_compute_frame_size): Make static, add prototype.
8503 (ix86_initial_elimination_offset): Break out from ...
8504 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8506 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8508 * recog.h (OUT_FCN): Delete.
8510 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8512 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8514 * cppalloc.c: PROTO -> PARAMS.
8515 * cpperror.c: Likewise.
8516 * cppfiles.c: Likewise.
8517 * cpplib.c: Likewise.
8518 * cpplib.h: Likewise.
8520 * config/arm/arm-protos.h: PROTO -> PARAMS.
8521 * config/arm/arm.c: Likewise.
8522 * config/c4x/c4x.c: Likewise.
8523 * config/fr30/fr30-protos.h: Likewise.
8524 * config/nextstep.c: Likewise.
8525 * config/pa/pa.c: Likewise.
8526 * config/pj/pj.c: Likewise.
8527 * config/rs6000/rs6000.c: Likewise.
8528 * config/v850/v850-protos.h: Likewise.
8529 * config/v850/v850.c: Likewise.
8531 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8533 * i370-protos.h: New file.
8535 * i370.c: Include tm_p.h. Fix compile time warnings.
8537 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8540 * i370.md: Likewise.
8542 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8544 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8545 (target_isinf, target_isnan, eisnan): Mark parameter with
8547 (eiisinf): Wrap in INFINITY.
8548 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8549 (ibmtoe): Remove unused variable `rndsav'.
8551 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8553 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8554 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8556 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8558 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8559 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8560 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8562 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8563 Recognize Emacs mode markers also.
8564 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8565 C++ comments in C++ headers. Call is_cxx_header only if
8568 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8570 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8571 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8572 ... these, which use the new C fixes.
8573 (math_exception): Escape literal '+' in bypass expression.
8575 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8578 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8580 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8583 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8585 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8586 prior to calling scan_loop.
8588 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8590 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8591 (split_branches, calc_live_regs): Likewise.
8593 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8595 * sh.md (fpu_single, fp_mode): New attributes.
8597 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8599 * loop.c (current_loop_info): Renamed from loop_info_data
8600 and changed to a pointer.
8601 (loop_optimize): Allocate loop_info structure for each loop
8602 and initialise to zero.
8603 (scan_loop): Set current_loop_info.
8605 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8608 2000-01-19 Richard Henderson <rth@cygnus.com>
8610 * stupid.c: Die die die.
8611 * Makefile.in (OBJS): Remove stupid.o.
8612 (stupid.o): Likewise.
8614 * except.c (emit_eh_context): Don't emit USEs for stupid.
8615 * explow.c (probe_stack_range): Likewise.
8616 * flags.h (obey_regdecls): Remove.
8617 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8618 when not optimizing.
8619 (life_analysis): Limit data collection when not optimizing.
8620 (mark_regs_live_at_end): Always mark the return value registers.
8621 (mark_used_regs): Remove dummy RETURN case.
8622 (print_rtl_with_bb): Don't consult obey_regdecls.
8623 * function.c (use_variable, use_variable_after): Remove.
8624 (assign_parms): Consult optimize not obey_regdecls.
8625 (expand_function_start): Don't emit USEs for stupid.
8626 (expand_function_end): Likewise.
8627 * global.c (build_insn_chain): Export.
8628 * integrate.c (expand_inline_function): Kill return-value USE
8630 * jump.c (jump_optimize_1): Do simple jump optimizations and
8631 dead code elimination.
8632 (calculate_can_reach_end): Remove check_deleted argument.
8633 (delete_insn): Patch out insns even when not optimizing.
8634 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8635 * rtl.h (use_variable, use_variable_after): Remove declarations.
8636 (build_insn_chain): Declare.
8637 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8638 (expand_end_bindings): Likewise.
8639 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8640 * toplev.c (obey_regdecls): Remove.
8641 (rest_of_compilation): Don't set it. Kill stupid in favour of
8642 flow1, local-alloc, and reload.
8643 (main): Don't set obey_regdecls.
8645 * config/nextstep.c (handle_pragma): Likewise.
8647 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8649 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8651 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8653 * alpha-protos.h: PROTO -> PARAMS.
8654 * alpha.c: Likewise.
8656 * h8300.c: Likewise.
8657 * i386-protos.h: Likewise.
8659 * m32r-protos.h: Likewise.
8662 * mips.md: Likewise.
8663 * gmon-sol2.c: Likewise.
8664 * sparc.c: Likewise.
8666 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8668 * ns32k-protos.h: New file.
8670 * ns32k.c: Fix compile time warnings.
8672 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8675 * ns32k.md: Likewise.
8677 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8679 * vax-protos.h: New file.
8681 * vax.c: Fix compile time warnings.
8683 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8688 * vaxv.md: Likewise.
8690 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8692 * romp-protos.h: New file.
8694 * romp.c: Fix compile time warnings.
8696 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8699 * romp.md: Likewise.
8701 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8703 * we32k-protos.h: New file.
8705 * we32k.c: Fix compile time warnings.
8707 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8710 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8712 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8714 * except.c (eh_regs): Likewise.
8716 * final.c (output_operand): Likewise.
8718 * fold-const.c (target_isinf, target_isnan): Likewise.
8720 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8722 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8723 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8725 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8727 (clrstrsi): Rewrite.
8728 (strsethi, strsetqi): New expanders.
8729 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8730 (cmpstrsi): Emit compare insn before cmpstrsi_1
8731 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8732 (strlensi_1): Likewise.
8733 (cmpstrsi_1): Likewise; do not output compare.
8734 (strlen expander): Do not unroll when optimizing for size.
8735 (*subsi3_carry): Rename to subsi3_carry
8736 (addqi3_cc): New pattern.
8737 * i386.h (processor_costs): Add move_ratio field.
8738 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8739 * i386.c (*_cost): Set move_ratio.
8740 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8741 (x86_expand_strlensi_1): Rewrite the main loop.
8743 2000-01-17 Richard Henderson <rth@cygnus.com>
8745 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8746 * cse.c (find_comparison_args, fold_rtx): Likewise.
8747 * integrate.c (subst_constants): Likewise.
8748 * loop.c (get_condition): Likewise.
8750 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8752 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8754 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8756 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8757 (RESTORE_WARN_FLAGS): Unpack it.
8758 Change semantic type of extension to ttype.
8759 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8760 * c-parse.y, c-parse.c, objc/objc-parse.y,
8761 objc/objc-parse.c: Regenerate.
8763 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8765 * fixinc/fixlib.c: Add copyright notice.
8766 (compile_re): New function.
8767 * fixinc/fixlib.h: Prototype compile_re.
8769 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8770 Use compile_re to compile regular expressions.
8772 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8773 where the pattern matched.
8775 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8777 (ultrix_ansi_compat): Likewise.
8778 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8780 (interactv_add2, interactv_add3): Delete.
8781 (x11_sprintf): Don't use filename glob.
8782 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8785 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8787 * print-rtl.c: PROTO -> PARAMS.
8789 * reg-stack.c: Likewise.
8790 * resource.c: Likewise.
8791 * sdbout.h: Likewise.
8792 * simplify-rtx.c: Likewise.
8793 * stor-layout.c: Likewise.
8794 * stupid.c: Likewise.
8795 * xcoffout.c: Likewise.
8796 * xcoffout.h: Likewise.
8798 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8800 * toplev.c: PROTO -> PARAMS.
8801 * toplev.h: Likewise.
8804 * unroll.c: Likewise.
8805 * varasm.c: Likewise.
8806 * varray.c: Likewise.
8807 * varray.h: Likewise.
8809 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8811 * reload.c: PROTO -> PARAMS.
8812 * reload.h: Likewise.
8813 * reload1.c: Likewise.
8814 * reorg.c: Likewise.
8815 * resource.h: Likewise.
8818 * rtlanal.c: Likewise.
8819 * sbitmap.h: Likewise.
8820 * sdbout.c: Likewise.
8821 * stack.h: Likewise.
8823 * system.h: Likewise.
8825 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8827 * machmode.h: PROTO -> PARAMS.
8828 * mbchar.h: Likewise.
8829 * mips-tdump.c: Likewise.
8830 * mips-tfile.c: Likewise.
8831 * optabs.c: Likewise.
8832 * output.h: Likewise.
8833 * prefix.c: Likewise.
8834 * profile.c: Likewise.
8835 * protoize.c: Likewise.
8837 * recog.c: Likewise.
8838 * recog.h: Likewise.
8839 * regclass.c: Likewise.
8840 * regmove.c: Likewise.
8843 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8845 * ggc-common.c: PROTO -> PARAMS.
8846 * ggc-page.c: Likewise.
8847 * ggc-simple.c: Likewise.
8849 * global.c: Likewise.
8850 * graph.c: Likewise.
8851 * gthr-win32.h: Likewise.
8852 * haifa-sched.c: Likewise.
8853 * halfpic.h: Likewise.
8854 * integrate.c: Likewise.
8855 * integrate.h: Likewise.
8858 * local-alloc.c: Likewise.
8862 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8864 * genattr.c: PROTO -> PARAMS.
8865 * genattrtab.c: Likewise.
8866 * gencheck.c: Likewise.
8867 * gencodes.c: Likewise.
8868 * genconfig.c: Likewise.
8869 * genemit.c: Likewise.
8870 * genextract.c: Likewise.
8871 * genflags.c: Likewise.
8872 * gengenrtl.c: Likewise.
8873 * genopinit.c: Likewise.
8874 * genoutput.c: Likewise.
8875 * genpeep.c: Likewise.
8876 * genrecog.c: Likewise.
8878 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8880 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8882 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8884 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
8885 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
8886 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
8887 * configure, config.in: Rebuilt.
8889 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
8891 * config/i386/i386.md: Add peephole to merge successive stack
8894 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
8896 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
8897 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
8898 when walking backwards to find all the parameter loads when
8899 the basic block ends in a call.
8901 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8903 * loop.c (this_loop_info): Delete.
8904 (uid_loop): Add in place of uid_loop_num. All uses updated.
8905 (loop_number_exit_count): Delete and replace with entry in loop
8906 structure. All uses updated.
8907 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8908 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8909 (loop_outer_loop): Likewise.
8910 (loop_invalid, loop_number_exit_labels): Likewise.
8911 (loop_used_count_register): Delete and replace with entry in
8912 loop_info structure.
8913 (find_and_verify_loops): Add loops argument.
8914 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
8915 loop_end, etc. arguments with loop structure pointer. All callers
8917 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
8918 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
8919 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
8920 (insert_bct): Likewise.
8921 (basic_induction_var): New argument level.
8922 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
8923 vtop, and cont. Add used_count_register.
8924 (uid_loop): Delete declaration.
8925 (loop_number_exit_count): Likewise.
8926 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
8927 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
8928 (loop_outer_loop, loop_used_count_register): Likewise.
8929 (loop_invalid, loop_number_exit_labels): Likewise.
8930 (unroll_loop): Replace loop_start and loop_end arguments
8931 with loop structure pointer.
8932 (loop_precondition_p, loop_iterations): Likewise.
8933 Include basic-block.h.
8934 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
8935 with loop structure pointer.
8936 (loop_precondition_p, loop_iterations): Likewise.
8937 * basic-block.h (struct loop): New entries vtop, cont,
8938 cont_dominator, start, end, top, scan_start, exit_labels,
8940 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
8942 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8944 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
8946 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
8948 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
8950 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8952 * pdp11-protos.h: New file.
8954 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
8957 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
8960 * pdp11.md: Likewise.
8964 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8966 * mn10300-protos.h: New file.
8968 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
8971 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
8974 * mn10300.md: Likewise.
8976 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8978 * mn10200-protos.h: New file.
8980 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
8983 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
8986 * mn10200.md: Likewise.
8988 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8990 * h8300-protos.h: New file.
8992 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
8995 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
8998 * h8300.md: Likewise.
9000 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9002 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
9003 (asm_emit_uninitialised): Likewise.
9005 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
9007 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
9008 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
9010 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9012 * config/mips/mips.c (override_options): Don't turn on extra
9013 alignment for mips16.
9015 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9017 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
9018 eabi, and make sure queued POSTINCREMENT rtl is emitted at
9021 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9023 * builtins.c (PAD_VARARGS_DOWN): Define.
9024 (std_expand_builtin_va_arg): Use the above macro.
9025 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
9026 * tm.texi (Register Arguments): Document the above macro.
9028 2000-01-14 Nick Clifton <nickc@cygnus.com>
9030 * emit-rtl.c (emit_insn): If checking is enabled, make sure
9031 that this function has not been used to emit a jump
9034 * jump.c (return_jump_1): Cope with being passed a null rtx.
9036 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9038 * eh-common.h: PROTO -> PARAMS.
9039 * emit-rtl.c: Likewise.
9040 * errors.c: Likewise.
9041 * errors.h: Likewise.
9042 * except.c: Likewise.
9043 * except.h: Likewise.
9044 * explow.c: Likewise.
9045 * expmed.c: Likewise.
9048 * final.c: Likewise.
9049 * fix-header.c: Likewise.
9051 * fold-const.c: Likewise.
9052 * function.c: Likewise.
9053 * function.h: Likewise.
9055 * gcov-io.h: Likewise.
9059 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9061 * sh-protos.h: New file.
9063 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
9064 Add static prototypes. Fix compile time warnings.
9066 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
9070 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9072 * arc-protos.h: New file.
9074 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
9077 * arc.h: Move prototypes to arc-protos.h. Fix compile time
9082 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9084 * dsp16xx-protos.h: New file.
9086 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
9089 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
9092 * dsp16xx.md: Likewise.
9094 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9096 * convex-protos.h: New file.
9098 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
9101 * convex.h: Move prototypes to convex-protos.h. Fix compile time
9104 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9106 * elxsi-protos.h: New file.
9108 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
9111 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
9114 * elxsi.md: Likewise.
9116 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9118 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
9119 case for moving from HI/LO/HI_LO_REG. This makes the behavior
9120 match the comment for MIPS16.
9122 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
9124 * flow.c (split_edge): Do not call set_block_for_insn if we
9125 do not have a basic_block_for_insn structure.
9127 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
9128 and destination functions are 32bit aligned within the trampoline.
9129 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
9130 (TRAMPOLINE_ALIGNMENT): Define.
9132 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9133 (set (pc) (label_ref)), verify the change creates a valid insn.
9135 * fr30.c (call_operand): Tighten and rework to match rules for
9136 call RTL expressions.
9137 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9138 * fr30.md (call patterns): Improve constraints.
9140 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9142 * fr30.c (fr30_expand_epilogue): Revert last change.
9143 Use emit_jump_insn for the return insn.
9145 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9146 Stan Cox <scox@cygnus.com>
9148 * predict.c: New file. Preliminary infrastructure work for static
9149 branch prediction and basic block reordering.
9150 * basic-block.h: Add prototype for estimate_probability.
9151 * Makefile.in: Add rules for predict.o.
9153 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9155 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9156 * fixinc/*: Likewise.
9158 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9160 * cccp.c: PROTO -> PARAMS.
9162 * collect2.c: Likewise.
9163 * combine.c: Likewise.
9164 * convert.h: Likewise.
9166 * dbxout.c: Likewise.
9167 * dbxout.h: Likewise.
9168 * diagnostic.c: Likewise.
9169 * doprint.c: Likewise.
9170 * dwarf2out.c: Likewise.
9171 * dwarf2out.h: Likewise.
9172 * dwarfout.c: Likewise.
9173 * dwarfout.h: Likewise.
9174 * dyn-string.h: Likewise.
9176 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9178 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9179 macro conditionals guarding use.
9181 * dwarf2out.c: Include "tm_p.h".
9183 * function.c (locate_and_pad_parm): Mark parameter with
9185 (expand_function_end): Likewise for variable `context'.
9187 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9189 2000-01-13 Nick Clifton <nickc@cygnus.com>
9191 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9192 register to prevent compile time warnings.
9194 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9196 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9197 to avoid -Wtraditional warning.
9199 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9201 * 1750a-protos.h: New file.
9203 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9206 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9209 * 1750a.md: Likewise.
9211 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9213 * a29k-protos.h: New file.
9215 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9218 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9221 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9223 * clipper-protos.h: New file.
9225 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9228 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9231 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9233 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9235 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9237 * configure.in (--enable-new-gxx-abi): New option.
9238 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9239 * Makefile.in (GXX_ABI_FLAG): New variable.
9240 * configure: Regenerate.
9242 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9244 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9245 * tm.texi (FORCE_STRUCT_BLK): Document.
9246 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9248 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9250 * config/ns32k/ns32k.md: Revert Jan 9 change.
9252 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9253 to a mode-test, if the predicate is address_operand.
9255 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9257 * combine.c (if_then_else_cond): Be careful about what kinds
9258 of RTL expressions are passed to operand_subword.
9260 * flow.c (split_edge): If we have to insert a new jump, make
9261 sure to associate it with a basic block.
9263 * flow.c (commit_one_edge_insertion): A block with one successor
9264 can end in a JUMP_INSN that is not a simplejump.
9266 2000-01-12 Robert Lipe <robertl@sco.com>
9268 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9269 (BUILD_VA_LIST_TYPE): Define.
9270 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9273 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9275 * cccp.c (do_pragma): Add cast to (char *).
9277 2000-01-12 Richard Henderson <rth@cygnus.com>
9278 Fred Fish <fnf@be.com>
9279 Jason Merrill <jason@cygnus.com>
9281 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9282 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9283 * i386/beos-elf.h, i386/beos-pe.h: New files.
9285 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9286 * cross-make (SYSTEM_HEADER_DIR): Define using
9287 CROSS_SYSTEM_HEADER_DIR.
9289 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9290 (process_command): Use it.
9291 (main): Likewise. Kill trailing = from env vars.
9292 (build_search_list): Put it back.
9293 * collect2.c (main): Use LIBRARY_PATH_ENV.
9295 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9296 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9298 * tm.texi (Frame Layout): Document SMALL_STACK.
9299 * c-common.c (c_common_nodes_and_builtins): Check it.
9301 * system.h: Undef alloca after including glibc's <stdlib.h>,
9302 if USE_C_ALLOCA is defined.
9304 * gcc.c (set_input): New fn.
9305 (main): After all input files are compiled, reset the input file
9308 * aclocal.m4 (rindex, index): If already defined, don't attempt
9311 * ginclude/varargs.h: (__va_list__): Define ifndef.
9312 * ginclude/stdarg.h: Likewise.
9314 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9315 instead of unsigned char.
9317 * hash.h (true, false, boolean): Undef before enum.
9319 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9320 proper type of "HOST_WIDE_INT *", rather than their natural type of
9321 "unsigned HOST_WIDE_INT *".
9323 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9325 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9327 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9329 * regclass.c (choose_hard_reg_mode): Likewise.
9331 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9333 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9335 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9337 * c-common.c: PROTO -> PARAMS.
9338 * c-common.h: Likewise.
9339 * c-decl.c: Likewise.
9340 * c-iterate.c: Likewise.
9341 * c-lang.c: Likewise.
9342 * c-lex.c: Likewise.
9343 * c-lex.h: Likewise.
9344 * c-parse.in: Likewise.
9345 * c-pragma.c: Likewise.
9346 * c-pragma.h: Likewise.
9347 * c-tree.h: Likewise.
9348 * c-typeck.c: Likewise.
9349 * objc/objc-act.c: Likewise.
9350 * objc/objc-act.h: Likewise.
9352 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9354 * m88k-protos.h: New file.
9356 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9359 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9361 * m88k.md: Likewise.
9363 * tekXD88.h: Likewise.
9365 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9367 * m68k-protos.h: New file.
9369 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9372 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9374 * mot3300.h: Likewise.
9376 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9378 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9380 (extract_bitlist): Declare bitlen.
9382 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9384 * cccp.c: Accept and ignore -lang-fortran.
9386 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9387 qualifiers don't match at any level of pointerness.
9389 2000-01-12 Robert Lipe <robertl@sco.com>
9391 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9393 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9395 * reload1.c (reload_reg_unavailable): New static variable.
9396 (reload_reg_free_p): Test it.
9397 (reload_reg_free_for_value_p): Test it instead of
9399 (choose_reload_regs_init): Compute it.
9401 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9403 * reorg.c (fill_slots_from_thread): Check modified_in_p
9406 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9408 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9409 these nodes even if INTERNALS is not set.
9411 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9413 * gcse.c (delete_null_pointer_checks_1): Cope when
9414 get_condition cannot determine the condition.
9416 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9418 * toplev.h (set_message_length): Declare.
9420 * diagnostic.c (obstack_chunk_alloc): Define macro.
9421 (obstack_chunk_free): Likewise.
9422 (struct output_buffer): New data structure.
9424 (output_maximum_width): New variable.
9425 (doing_line_wrapping, set_message_length, init_output_buffer,
9426 get_output_prefix, output_space_left, emit_output_prefix,
9427 output_newline, output_append, output_puts, dump_output,
9428 vbuild_message_string, build_message_string, build_location_prefix,
9429 voutput_notice, output_printf, line_wrapper_printf,
9430 vline_wrapper_message_with_location): New functions. Implement
9431 automatic line wrapping.
9432 (v_message_with_decl): Make it handle automatic line wrapping.
9433 (v_error_with_file_and_line): Likewise.
9434 (v_warning_with_file_and_line): Likewise.
9435 (announce_function): Likewise.
9436 (default_print_error_function): Likewise.
9438 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9440 * cpplib.h (struct cpp_options): Change lang_asm to char.
9442 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9443 done in cpp_handle_option now.
9444 (initialize_builtins): Take out special case code used only by
9446 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9447 if -traditional. Recognize -lang-fortran and set
9448 lang_fortran, also turn off cplusplus_comments.
9449 (print_help): Document -lang-fortran.
9450 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9451 lang_asm. Ignore all directives other than `# 123 "file"' if
9453 (cpp_get_token): If -traditional, don't recognize directives
9454 unless the # is in column 1.
9455 (parse_string): If lang_fortran or lang_asm, silently
9456 terminate strings ('' or "") at end of line.
9457 Remove unnecessary braces.
9459 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9460 Richard Henderson <rth@cygnus.com>
9462 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9464 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9465 strict_low_part when possible.
9467 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * alias.c: PROTO -> PARAMS.
9470 * basic-block.h: Likewise.
9471 * bitmap.c: Likewise.
9472 * bitmap.h: Likewise.
9473 * builtins.c: Likewise.
9474 * c-aux-info.c: Likewise.
9475 * caller-save.c: Likewise.
9476 * calls.c: Likewise.
9478 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9480 * Makefile.in (toplev.o): Depend on regs.h.
9482 * output.h (tdesc_section): Prototype.
9484 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9486 * sdbout.c: Include "tm_p.h".
9488 * toplev.c: Include "regs.h".
9490 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9492 * unroll.c (unroll_loop): Add EH support.
9494 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9496 * pa-protos.h: New file.
9498 * pa.c: Include recog.h and tm_p.h.
9499 (compute_zdepwi_operands, compute_movstrsi_length,
9500 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9501 find_addr_reg, import_milli): Add static prototypes.
9502 (pa_cpu_string, pa_arch_string): Constify a char*.
9503 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9504 (read_only_operand): Add argument `mode'.
9505 (singlemove_string, output_move_double, output_fp_move_double,
9506 output_block_move, output_and, output_ior, output_ascii,
9507 remove_useless_addtr_insns, milli_names, output_mul_insn,
9508 output_div_insn, output_mod_insn, output_arg_descriptor,
9509 output_cbranch, output_bb, output_bvb, output_dbra, ,
9510 output_millicode_call, output_call, hppa_encode_label,
9511 output_parallel_movb, output_parallel_addb): Constify a char*.
9512 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9513 (output_parallel_addb): Remove extra arg to `constrain_operands'
9515 * pa.h: Move all prototypes to pa-protos.h.
9516 (pa_cpu_string, pa_arch_string): Constify a char*.
9517 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9519 * pa.md: Call `function_label_operand' with mode argument.
9520 Likewise for `read_only_operand'.
9521 Fix nesting of parens in call to `symbolic_operand'.
9523 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9525 * i860-protos.h: New file.
9527 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9530 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9532 * i860.md: Likewise.
9534 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9536 * i386.md (movstrsi expander): Rewrite.
9537 (movstrsi_1 insn): Deleted.
9538 (strmovhi, strmovqi expander): New expanders.
9539 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9540 * i386.c (x86_single_stringop): New global variable.
9541 * i386.h (x86_single_stringop): Declare.
9542 (TARGET_SINGLE_STRINGOP): New macro.
9544 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9546 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9547 integer vararg POSTINCREMENT before the destination of the jump
9548 for the hard fp case.
9549 (function_arg_pass_by_reference): Pass a copy of CUM to
9552 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9553 for CONSTANT_ADDRESS_P above while loop for subreg.
9555 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9557 * flow.c (propagate_block): When a prologue/epilogue insn
9558 is marked dead, unconditionally clear libcall_is_dead and
9559 insn_is_dead, and only dump rtl if warnings aren't being
9562 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9564 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9565 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9566 (FIXED_REGISTERS): Set dirflag as fixed.
9567 (CALL_USED_REGISTERS): Set dirflag as used.
9568 (REG_ALLOC_ORDER): Set dirflag as last one.
9569 (DIRFLAG_REG): New macro.
9570 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9571 (HI_REGISTER_NAMES): Add dirflag.
9572 (DEBUF_PRINT_REG): Handle dirflag.
9573 * i386.md (type attribute): New cld and str types.
9574 (length_opcode attribute): Set cld and str to 1.
9575 (memory attribute): Set str to unknown - it is not clear from the
9577 (pent_np function unit): Prefixed string operations takes 12 cycles
9578 minimally; cld takes 2 cycles.
9579 (ppro_uops attribute): Str is "many" and cld is "few".
9580 (ppro_p0 unit): Handle cld here.
9581 (k6_alux unit): Handle cld and str types.
9582 (k6_load unit): It is ocupied by str opcodes.
9583 (k6_store unit): It is ocupied by str opcodes.
9584 (athlon_decode): Str is vector decoded.
9585 (athlon_ieu): Handle str and cld.
9587 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9588 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9589 cmpstrsi_nz_1 insn): Do not output cld instruction
9591 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9593 * gcc.texi (G++ and GCC): Add Java and Chill.
9594 (Bug Critera): Don't list languages.
9596 * gcc.texi (Incompatibilities): No longer claim most C compilers
9599 * gcc.texi (G++ and GCC): Update other front-ends list.
9601 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9603 * i386.c (ix86_expand_setcc): Fix typo.
9604 (ix86_expand_movcc): Similarly.
9606 * Band-aid until haifa's bitset implementation is nuked.
9607 * haifa-sched.c (extract_bitlst): New parameter for size of the
9608 bitset in bits. All callers changed. Avoid looking at undefined
9610 (edgeset_bitsize): New variable.
9611 (schedule_region): Initialize edgeset_bitsize.
9613 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9615 * Makefile.in (optabs.o): Depend on real.h
9616 (resource.o): Depend on insn-attr.h
9618 * builtins.c (result_vector): Wrap prototype in macro conditions
9619 governing definition and use.
9621 * c-common.c: Include tm_p.h.
9623 * c-lex.c: Likewise.
9625 * elfos.h: Constify a char*.
9627 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9628 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9629 parameter with ATTRIBUTE_UNUSED.
9631 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9634 * haifa-sched.c (schedule_insns): Mark parameter with
9637 * optabs.c: Include real.h.
9639 * real.h (ereal_atof): Add prototype arguments.
9641 * resource.c: Include insn-attr.h.
9643 * sdbout.c (sdbout_queue_anonymous_type,
9644 sdbout_dequeue_anonymous_types): Wrap in macro
9645 SDB_ALLOW_FORWARD_REFERENCES.
9646 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9649 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9651 * stupid.c: Include tm_p.h.
9653 * tree.c (real_value_from_int_cst): Mark parameter with
9656 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9658 * i960-protos.h: New file.
9660 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9663 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9665 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9667 * combine.c (expand_field_assignment): Do not discard SUBREGs
9668 while computing nonzero_bits.
9670 2000-01-09 Nick Clifton <nickc@cygnus.com>
9672 * config/arm/arm.c: Fix compile time warnings about signed vs
9674 * config/arm/arm.h: Fix compile time warnings about signed vs
9677 2000-01-09 Philip Blundell <philb@gnu.org>
9679 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9680 than `ldm' with only one register.
9681 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9684 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9687 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9689 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9692 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9694 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9695 assignment used as truth value.
9697 * function.c (assign_temp): Mark parameter `dont_promote' with
9698 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9699 PROMOTE_FOR_CALL_ONLY.
9701 * genrecog.c (write_subroutine): Mark variable `operands' with
9704 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9707 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9708 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9710 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9713 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9715 * config/c4x.h: Tidy up comments.
9716 * config/c4x.c: Likewise.
9718 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9720 * fold-const.c (lshift_double, rshift_double): Handle
9721 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9723 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9725 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9726 in prepare_function_start().
9728 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9730 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9731 longer allocate extra stack for function calls.
9733 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9735 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9737 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9739 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9741 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9743 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9744 * aix43.h: Revert Aug 2 change.
9745 (HAS_INIT_SECTION): Define, not visible yet.
9746 (LD_INIT_SWITCH): Define, not visible yet.
9747 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9749 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9751 * collect2.c (main): Expand ld2 size further.
9752 (export_object_lst): Cast assignment to avoid warning.
9753 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9754 (scan_prog_file, COFF): Do not collect initialization or
9755 finalization functions generated for entire shared object if
9756 init/fini support present.
9758 2000-01-07 Nick Clifton <nickc@cygnus.com>
9760 * config/elfos.h: Tidy up formatting of marcos. Make sure
9761 that .section directives are always prefixed by a tab.
9763 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9766 2000-01-07 Matt Austern <austern@sgi.com>
9768 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9771 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9773 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9775 (crtbegin.o, s-crtS): Likewise.
9777 2000-01-06 Richard Henderson <rth@cygnus.com>
9779 * alpha.md (adddi_2+1): Limit offset such that it will be
9780 loadable with a single ldah+lda pair.
9781 (adddi_2+2): Explicitly fail split if we can't make it work.
9783 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9785 * protoize.c: Conditionally include unistd.h.
9786 (IS_SAME_PATH_CHAR): New macro.
9787 (IS_SAME_PATH): New macro.
9788 (CPLUS_FILE_SUFFIX): New macro.
9789 (cplus_suffix): New static variable.
9790 (is_abspath): New static function.
9791 (in_system_include_dir): Handle DOS style pathnames.
9792 (file_could_be_converted): Likewise.
9793 (file_normally_convertible): Likewise.
9794 (directory_specified_p): Likewise.
9795 (file_excluded_p): Likewise.
9796 (abspath): Likewise.
9797 (shortpath): Likewise.
9798 (referenced_file_is_newer): Likewise.
9799 (save_def_or_dec): Likewise.
9800 (do_processing): Likewise.
9802 (edit_file): Likewise. Use rename instead of link.
9803 (rename_c_file): Likewise. Don't rename syscalls file.
9804 (munge_compile_params): Define null device for DOS based systems.
9805 (process_aux_info_file): Use binary mode if appliable.
9806 (edit_file): Likewise.
9807 * invoke.texi (Running Protoize): Document C++ suffixes used.
9809 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9810 IS_DIR_SEPARATOR macros.
9811 * collect2.c: Likewise.
9812 * cppinit.c: Likewise.
9813 * dwarf2out.c: Likewise.
9816 * prefix.c: Likewise.
9818 * toplev.c: Likewise.
9819 * system.h: And move to here.
9821 * prefix.c (update_path): Fix typo in variable name.
9823 2000-01-06 Richard Henderson <rth@cygnus.com>
9825 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9826 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9827 (count_reg_sets_1, count_reg_references): Likewise.
9828 (flow_loops_level_compute): Start counting actual loop depth at 1.
9829 (flow_loops_find): Likewise.
9830 * local-alloc.c (update_equiv_regs): Likewise.
9831 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9833 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9835 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9836 FIRST_PSEUDO_REGISTER
9837 * dwarf2out.c: Don't include frame.h
9838 * dwarfout.c: Likewise
9839 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9842 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9844 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9847 * i386.c (movsf splitter): Fix typo in my last checkin.
9849 2000-01-05 Nick Clifton <nickc@cygnus.com>
9851 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9852 own definition of this macro.
9853 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9854 flag_data_sections or UNIQUE_SECTION_P are true.
9856 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9857 unitialised data decls.
9859 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9860 being called for uninitialised data.
9862 * config/i386/interix.c (i386_pe_unique_section): Cope with
9863 being called for uninitialised data.
9865 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9866 for uninitialised data.
9868 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9869 for uninitialised data.
9871 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9872 for uninitialised data.
9874 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9875 (UNIQUE_SECTION_P): Always generate a unique section if
9876 flag_data_sections is true.
9877 (UNIQUE_SECTION): Also generate unique sections for
9879 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9880 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9883 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9885 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
9888 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9890 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
9891 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
9892 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
9893 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
9894 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
9896 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
9898 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9900 * c-decl.c (finish_enum): Simplify code to determine minimum and
9901 maximum values of the enum, and calculate the type. Remove check
9902 for FUNCTION_DECLs in the values list, which cannot happen. Replace
9903 the DECL_INITIAL of each enumeration constant with a copy converted
9904 to the enumeration type. When updating variant types, don't bother
9905 updating the type itself.
9907 * c-typeck.c (build_binary_op): Simplify conditional expressions
9908 when weeding out spurious signed-unsigned warnings. Add new
9909 spurious warning category: if the unsigned quantity is an enum
9910 and its maximum value fits in signed_type(result_type). Update
9912 (build_conditional_expr): Warn here if one alternative is signed
9913 and the other is unsigned.
9915 2000-01-05 Nick Clifton <nickc@cygnus.com>
9917 * config/fr30/fr30.h: Remove extraneous comments.
9919 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
9921 * reload1.c (choose_reload_regs): When disabling a reload, also
9922 set reload_spill_index to -1.
9924 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9926 * configure.in (m68*-*-rtemscoff*): New target, formal name for
9928 (m68*-*-rtemself*): New target.
9929 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
9930 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
9931 (sparc*-*-rtemself*): New target.
9932 (sparc*-*-rtems*): Now elf not a.out.
9933 * config/i386/rtems.h: Include config/rtems.h.
9934 * config/i386/rtemself.h: Include config/rtems.h.
9935 * config/i960/rtems.h: Include config/rtems.h.
9936 * config/m68k/rtems.h: Include config/rtems.h.
9937 * config/m68k/rtemself.h: Include config/rtems.h.
9938 * config/mips/rtems64.h: Include config/rtems.h.
9939 * config/pa/rtems.h: Include config/rtems.h.
9940 * config/rs6000/rtems.h: Include config/rtems.h.
9941 * config/sh/rtems.h: Include config/rtems.h.
9942 * config/sh/rtemself.h: Include config/rtems.h.
9943 * config/sparc/rtems.h: Include config/rtems.h.
9944 * config/sparc/rtemself.h: Include config/rtems.h
9946 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
9948 * final.c (shorten_branches): Correctly compute length of
9949 asms without operands.
9951 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
9953 * configure.in: Add pj target.
9954 * configure: Regenerate.
9955 * config/pj: New directory.
9956 * config/pj/lib1funcs.S: New file.
9957 * config/pj/linux.h: New file.
9958 * config/pj/pj.c: New file.
9959 * config/pj/pj.md: New file.
9960 * config/pj/pjl.h: New file.
9961 * config/pj/t-pj: New file.
9962 * config/pj/xm-pj.h: New file
9964 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
9966 * toplev.c (rest_of_compilation): Run shorten-branches before
9969 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9971 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
9972 macros so that they're consistent with their names.
9973 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9974 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
9976 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9978 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
9979 modified inadvertently.
9981 2000-01-04 Joel Sherrill <joel@OARcorp.com>
9983 * configure.in (v850*-*-rtems*): New target.
9984 * configure: Regenerate.
9985 * config/v850/rtems.h: New file.
9987 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
9989 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
9990 (__gthread_key_create): Likewise.
9991 (__gthread_key_dtor): Likewise.
9992 (__gthread_once): Fix logic.
9993 (__gthread_key_delete): Cast away constness.
9995 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
9996 * invoke.texi: Document.
9997 * i386/mingw32.h (CPP_SPEC): Use.
9998 (LIBGCC_SPEC): Likewise.
9999 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
10001 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10003 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
10004 (HANDLE_PRAGMA_PACK): Undefine.
10005 (SLOW_UNALIGNED_ACCESS): Define.
10007 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10009 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10010 to default definition.
10011 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
10012 (store_fixed_bit_field): Call macro with word_mode and alignment.
10013 (extract_bit_field): Call macro with relevant mode and alignment.
10014 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10015 to default definition.
10016 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
10018 (move_by_pieces_ninsns): Likewise.
10019 (clear_by_pieces): Likewise.
10020 (emit_push_insn): Likewise.
10021 (store_field): Call macro with relevant mode and alignment.
10022 (expand_expr): Likewise.
10023 (expand_expr_unaligned): Likewise.
10025 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10026 (SLOW_UNALIGNED_ACCESS): Define.
10027 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10028 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10029 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10030 (toc_section): Likewise and .toc pseudo-op.
10031 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10033 (TEXT_SECTION_ASM_OP): Likewise.
10034 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10037 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
10038 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
10039 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
10040 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
10041 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
10043 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
10045 * regclass.c: Revert my Jan 4 change to loop cost computation.
10047 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10049 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
10052 2000-01-04 Stan Cox <scox@cygnus.com>
10054 * haifa-sched.c (build_control_flow): Change unreachable simple
10055 loop test to check if current block has only one predecessor.
10056 (find_rgns): Initialize degree. Use dest as degree index, not src.
10058 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10060 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
10062 * calls.c (expand_call): Likewise for
10063 `old_stack_arg_under_construction'.
10065 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
10067 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
10070 * gcc.c (execute): Likewise for `ut' and `st'.
10072 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
10074 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
10076 * jump.c (jump_optimize_1): Likewise for `temp2'.
10078 * local-alloc.c (block_alloc): Likewise for `r1'.
10080 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
10082 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
10083 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
10085 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
10088 * reload.c (find_reloads): Likewise for `goal_alternative_number'
10089 and `goal_earlyclobber'.
10091 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
10093 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
10095 * stupid.c (stupid_life_analysis): Likewise for `chain'.
10097 * unroll.c (copy_loop_body): Likewise for `copy'.
10099 * varasm.c (output_constructor): Likewise for `byte'.
10101 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10103 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
10104 all FP constants for constant->reg moves.
10105 (ix86_split_to_parts): Try to convert memory address into immediate
10106 when available in the constant pool.
10107 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
10109 (LEGITIMATE_CONSTANT_P): Return 1.
10110 * i386.md (pushsf): New splitter to convert constant pool memory
10111 reference to immediate.
10112 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
10115 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
10117 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
10118 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
10119 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
10120 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
10121 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
10123 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
10125 * ginclude/stdbool.h: Support compilation as C++.
10127 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10129 * fold-const.c (make_range): Don't try to reverse an unbounded range.
10131 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10133 * regclass.c (regclass): Properly compute loop_cost. Adjust
10136 * regclass.c: Fix minor whitespace problems.
10138 2000-01-03 Anthony Green <green@cygnus.com>
10140 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10141 Restore the pic register if required.
10143 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10145 * c-common.c (format_char_info): Update comment.
10146 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10147 was recognized. Emit warning for formats new in ISO C99 only
10148 if flag_isoc9x is not set.
10150 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10152 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10154 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10156 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10157 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10158 (make_compound_operation): Choose cheaper alternative between
10159 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10161 * regclass.c (op_costs): Remove global variable.
10162 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10163 (record_operand_costs): Break out from ...
10164 (scan_one_insn): ... here.
10165 (dump_regclass): Make dumps nicer.
10166 (regclass): Dump preferrences choosed and changes done during passes.
10168 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10170 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10172 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10174 * config/sparc/sparc.c (gen_df_reg): New function.
10175 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10176 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10177 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10178 movtf_cc_reg_sp64+1): Use it.
10180 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10182 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10183 copied LABEL_DECLs.
10185 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10187 * config/i386/i386.c (ix86_expand_unary_operator): Function
10188 definition made void.
10189 (ix86_expand_binary_operator): Update outdated preceding comment.
10190 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10193 * config/i386/i386.c (override_options): Fix option-name typo.
10195 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10197 * system.h (CEIL): Define.
10198 * builtins.c (CEIL): Remove.
10199 * expmed.c (CEIL): Likewise.
10200 * expr.c (CEIL): Likewise.
10201 * stor-layout.c (CEIL): Likewise.
10203 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10205 * expr.c (store_constructor_field): Fix typo introduced with last
10208 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10210 * tree.h (BINFO_N_BASETYPES): New macro.
10212 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10214 * expmed.c (emit_store_flag): Prevent losing a pending stack
10215 adjust the same way we prevent losing queued increments.
10217 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10219 * function.c (update_temp_slot_address): Handle case where sum of
10220 temporary address plus offset in register is a valid address.
10222 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10224 * genrecog.c (change_state) Corrected typo.
10226 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10228 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10229 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10230 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10232 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10234 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10235 case, expand GT comparisons correctly. Fix a comment before this
10238 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10240 * dwarfout.c: Include "frame.h"
10241 * dwarf2out.c: Likewise.
10242 * Makefile.in (dwarfout.o): Depend on frame.h
10243 (dwarf2out.o): Likewise.
10245 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10247 Restore i386 binary compatibility in Dwarf EH info.
10248 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10249 value of FIRST_PSEUDO_REGISTER.
10250 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10251 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10252 * dwarfout.c (output_reg_number): Ditto.
10253 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10254 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10256 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10258 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10259 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10260 (<hack>_RE_CT): not needed
10261 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10262 rewritten to scan the file text once only
10263 "template<..." test added
10264 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10265 (is_cxx_header): declaration added
10266 * fixinc/fixtests.c(is_cxx_header): removed
10267 (apply_fix_p_t): removed
10268 (double_slash_test): is_cxx_header is only called once now
10269 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10270 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10271 within the templates.
10272 The borken spelling of "broken" was fixed.
10273 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10274 The default level depends on FIXINC_DEBUG.
10276 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10278 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10279 Otherwise provide a declaration for atexit.
10280 (init_dummy): Make sure dummy call to atexit is nevertheless
10281 called with correct number of args.
10283 * frame.c: Update comments referring to other files.
10285 * libgcc2.c: Likewise.
10287 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10289 * cse.c (free_element, get_element): Remove unused prototypes.
10291 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10294 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10297 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10299 * configure.in,configure: case arm for mn10200-*-* now sets
10300 float_format=i32 so that float.h will correctly claim "double"
10301 to be 32 bits. Ran autoconf to generate configure from .in file.
10303 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10305 * pa.md (conditional zero): If op1 is a register, force it into
10306 the same register as op0.
10308 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10310 * tree.h (BINFO_BASETYPES): Improve documentation.
10312 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10314 * configure.in (--enable-checking): Use a more portable `for'
10317 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10319 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10320 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10322 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10325 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10326 Delete descriptions.
10328 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10329 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10330 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10331 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10332 xm-svr4.h: Remove all instances of sys_siglist handling.
10334 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10336 * config/sparc/sparc.md (cmp_zero_qi,
10337 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10338 cmp_zero_extendqidi2_andcc_set): New patterns.
10340 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10342 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10343 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10344 (fpgnulib.c, xfgnulib.c): Add rules.
10345 * m68k/t-mot3300-gas: Likewise.
10347 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10349 * configure.in: Avoid [[ by using test and changequote. Add
10350 changequote required by 1999-12-14 change.
10351 * configure: Rebuild.
10353 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10355 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10357 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10359 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10360 * flow.c (find_use_as_address): Likewise.
10361 * function.c (fixup_var_refs_1): Likewise.
10362 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10363 * jump.c (invert_exp, redirect_exp): Likewise.
10364 * loop.c (replace_call_address): Likewise.
10365 (count_nonfixed_reads): Likewise.
10366 * rtlanal.c (modified_between_p): Likewise.
10367 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10368 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10369 * unroll.c (remap_split_bivs): Likewise.
10371 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10373 * diagnostic.c (v_message_with_decl): Use .* format specifier
10374 instead of building the format specifier width manually.
10376 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10377 determining whether to provide a prototype. Remove the
10378 sys_siglist clause in the conditional.
10380 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10382 * fold-const.c (operand_equal_p): Use memcmp to compare string
10384 Suggested by D. J. Bernstein
10386 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10388 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10389 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10391 * config/mips/mips.h (TARGET_64BIT): Likewise.
10392 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10393 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10394 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10395 dsps. Give routines proper names if SI/DI modes are not used.
10396 * longlong.h: Use DWunion instead of DIunion.
10398 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10400 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10401 GC_CHECKING, GC_ALWAYS_COLLECT.
10402 * configure.in: Allow --enable-checking with an argument
10403 listing check modes to enable.
10404 * config.in, configure: Rebuilt.
10405 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10406 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10407 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10408 ENABLE_GC_ALWAYS_COLLECT.
10409 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10411 * tree.h, tree.c: Change ENABLE_CHECKING to
10412 ENABLE_TREE_CHECKING throughout.
10414 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10416 * fold-const.c (fold_truthop): Properly check for FP RHS.
10418 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10420 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10421 * toplev.c (note_deferral_of_defined_inline_function): New
10422 function, split out from ...
10423 (rest_of_compilation): ... here. Use it.
10425 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10427 * expr.c (store_constructor): Don't call clear_storage if size is
10430 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10432 * Makefile.in (toplev.o): Depend on loop.h.
10434 * dwarfout.c: Include tm_p.h.
10436 * emit-rtl.c (restore_emit_status): Mark parameter with
10439 * final.c (final_scan_insn): Likewise.
10441 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10442 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10443 flow_depth_first_order_compute, flow_loop_pre_header_find,
10444 flow_loop_tree_node_add, flow_loops_tree_build,
10445 flow_loop_level_compute, flow_loops_level_compute,
10446 flow_loop_outside_edge_p): Add prototypes.
10447 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10449 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10450 Mark with ATTRIBUTE_NORETURN.
10452 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10454 * local-alloc.c (no_conflict_p): Likewise.
10456 * loop.c (insert_bct): Hide definitions of variables with hidden
10458 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10460 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10461 with ATTRIBUTE_UNUSED.
10462 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10463 (reg_scan): Likewise.
10465 * reload.c (find_reloads): Remove unused variables `changed'.
10467 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10469 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10470 Remove unused variable `insn'.
10472 * toplev.c: Include loop.h.
10473 (report_file_and_line): Remove unnecessary prototype.
10475 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10477 * unroll.c (biv_total_increment): Likewise.
10479 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10481 * reload1.c (emit_input_reload_insns): Restore old behaviour
10482 wrt. 'special' reloads.
10484 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10486 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10487 hash.h. (cse.c): Don't depend on hashtab.h.
10489 * cse.c: Don't include hashtab.h.
10490 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10492 * ggc-simple.c: Don't include hash.h.
10494 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10496 * dwarf2out.c (add_abstract_origin_attribute): Call
10497 gen_abstract_function on our function context.
10499 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10501 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10503 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10505 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10508 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10510 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10511 constraints to "a!r".
10513 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10515 * Makefile.in (calls.o): Depend on function.h.
10516 (alias.o): Likewise.
10518 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10520 * reload1.c (emit_reload_insns): Break out code and variables into...
10521 (input_reload_insns, other_input_address_reload_insns,
10522 other_input_reload_insns, input_address_reload_insns,
10523 inpaddr_address_reload_insns, output_reload_insns,
10524 output_address_reload_insns, outaddr_address_reload_insns,
10525 operand_reload_insns, other_operand_reload_insns,
10526 other_output_reload_insns): ... new static variables, and...
10527 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10528 do_output_reload): ... new functions.
10530 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10532 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10534 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10536 * md.texi: Add c4x constraints documentation.
10538 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10540 * config/i386/dgux.c (struct option): Rename to
10541 lang_independent_option.
10542 (struct m_options): Add description field.
10543 (output_options): Rename option type, add sep declaration, output
10544 ix86_cpu_string and ix86_arch_string only if set.
10545 (output_file_start): Rename option type.
10547 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10549 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10551 (libgcc2.a): Similarly.
10553 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10555 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10556 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10557 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10559 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10561 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10562 Remove redundant initialization of "frexpon" and "expon".
10564 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10566 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10568 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10569 (store_constructor_field, expand_expr): Pass new arg.
10571 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10573 * Makefile.in (explow.o): Depend on function.h.
10575 * stor-layout.c (set_sizetype): Fix typo.
10577 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10579 * function.c (cfun): Renamed from current_function. All users
10581 * function.h (cfun): Rename declaration as well.
10583 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10584 to be of type regset_head, not regset. All users changed by adding
10586 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10588 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10590 * config/c4x/rtems.h: New file.
10592 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10594 * reload1.c (spill_failure): Take class of failed reload as argument
10595 and print it. Caller changed.
10597 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10599 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10600 (TARGET_SWITCHES): Allow subtargets to default switches.
10601 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10603 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10605 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10608 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10610 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10611 * cppinit.c (cpp_handle_option): Likewise.
10613 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10614 determine when to define.
10616 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10618 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10619 cmove with mismatched test and data modes.
10621 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10623 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10626 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10628 * alias.c: Minor reformatting.
10629 * flow.c: Likewise.
10630 * regs.h: Likewise.
10631 * stor-layout.c: Likewise.
10632 * fold-const.c: Likewise.
10633 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10634 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10636 (size_int_wide): Cache nodes even if garbage collecting.
10637 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10638 of SAVE_EXPR has no side effects.
10639 * cse.c: Move a comment.
10640 * tree.c: Minor reformatting.
10641 (int_size_in_bytes): Return -1 if constant overflows.
10643 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10645 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10647 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10649 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10650 after any change to c-parse.in, even if objc-parse.y didn't
10653 1999-12-18 David S. Miller <davem@redhat.com>
10655 * toplev.c (rest_of_compilation): Restore BLOCK tree
10656 reconstruction and branch shortening changes lost in
10657 December 18th change.
10659 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10661 * config/arm/linux-elf.h: Change all instances of
10662 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10663 * config/arm/uclinux-elf.h: Likewise.
10665 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10667 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10668 v_message_with_decl, file_and_line_for_asm,
10669 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10670 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10671 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10672 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10673 pfatal_with_name, fatal_io_error, need_error_newline,
10674 last_error_function, last_error_tick, announce_function,
10675 default_print_error_function, print_error_function,
10676 report_error_function, fnotice, error_with_file_and_line,
10677 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10678 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10679 warning_with_decl, warning_for_asm, warning, pedwarn,
10680 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10682 (compile_file): Use fnotice instead of notice. Adjust call.
10684 * diagnostic.c: New file.
10686 * Makefile.in (OBJS): Include diagnostic.o
10687 (diagnostic.o): Define dependence.
10689 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10691 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10694 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10696 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10698 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10700 * fixtests.c (is_cxx_header): New fn, split out of
10702 (else_endif_label): Allow "#endif // comment" in C++ headers,
10703 as determined by is_cxx_header.
10704 * fixfixes.c (else_endif_label_fix): Update comment.
10705 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10707 * genfixes: Correct double thinko in commandline parsing.
10708 * hackshell.tpl: Generate correct sh syntax for bypass
10711 * inclhack.def (all): Whenever an inserted preprocessor
10712 conditional is split over multiple lines, use double
10713 backslashes in this file so the fixed header will be readable.
10715 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10716 and add bypass entry for correct version of this header.
10717 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10718 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10720 (hpux8_bogus_inlines): New fix, split from...
10721 (ultrix_atof_param) ... here.
10722 (math_expression): Add bypass entry keyed to glibc comment
10723 indicating the problem has been dealt with; disable
10724 unnecessary sed operations; update commentary.
10725 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10726 add select and bypass entries, simplify shell operation.
10727 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10729 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10730 ultrix_atof_param): Add select entry.
10731 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10732 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10733 comments with the fixes they describe.
10735 * c-parse.in (string action): Do not warn about ANSI string
10736 concatenation in system headers. Affects C parser only.
10737 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10739 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10741 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10742 compiling libgcc2 the macro depends always on arch cpp defines.
10744 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10746 * loop.c (insert_loop_mem): Don't record MEMs from inside
10749 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10751 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10753 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10754 notes too, create one when replacement failed, attempt to simplify
10756 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10757 or REG_EQUIV notes.
10759 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10761 * crtstuff.c (__dso_handle): Declare.
10762 (__cxa_finalize): Likewise.
10763 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10766 * invoke.texi: Document -fuse-cxa-atexit.
10768 * tree.h (ptr_type_node): Document.
10769 (const_ptr_type_node): Likewise.
10771 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10773 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10774 (optimize_reg_copy_2): Likewise.
10775 (optimize_reg_copy_3): Likewise.
10776 (fixup_match_2): Likewise.
10777 (regmove_optimize): Likewise.
10778 (fixup_match_1): Liekwise.
10780 * i386.md (HI to SImode promoting splitters): Rewrite.
10781 (pushsf mem peep2): New.
10782 (testhi to andhi peep2): Remove.
10783 * i386.h (x86_promote_QImode): New.
10784 (TARGET_PROMOTE_QImode): New.
10785 (PREDICATE_CODES): Add promotable_binary_operator.
10786 * i386.c (x86_promote_QImode0: New.
10787 (promotable_binary_operator): New.
10788 * i386-protos.h (promotable_binary_operator): New.
10790 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10792 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10794 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10796 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10797 * function.c (insert_block_after_note): Remove.
10798 (retrofit_block): Likewise.
10799 (identify_blocks): Fix indentation.
10800 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10801 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10802 * function.h (insert_block_after_note): Remove prototype.
10803 (retrofit_block): Likewise.
10804 * integrate.c (expand_inline_function): Don't call
10805 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10806 just expand_start_bindings. Use the block_map to remap old
10807 NOTE_BLOCKs to new ones.
10808 (integrate_decl_tree): Keep track of remapped blocks.
10809 * integrate.h (struct inline_remap): Add block_map.
10810 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10811 NOTE_BLOCK on the notes.
10812 (expand_start_bindings): Rename to ...
10813 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10814 (expand_end_bindings): Set NOTE_BLOCK.
10815 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10816 reconstruct the BLOCK tree.
10817 * tree.h (expand_start_bindings): Macroize. Call ...
10818 (expand_start_bindings_and_block): New function.
10820 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10822 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10823 to match the format.
10825 1999-12-16 David S. Miller <davem@redhat.com>
10827 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10828 the outputs is a SUBREG.
10829 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10832 * config/sparc/sparc.c (epilogue_renumber): Add default case
10835 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10837 * toplev.c (rest_of_compilation): Run branch shortening after
10840 * regclass.c (loop_depth): Remove
10841 (scan_one_insn): Do not handle LOOP_NOTE insns.
10842 (regclass): Go through basic blocks and set loop_cost
10844 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10846 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10848 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10850 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10851 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10852 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10854 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10856 * loop.c (insert_loop_mem): Ignore memory clobbers.
10858 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10861 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10863 * profile.c: Remove redundant #include "output.h".
10865 * h8300.md (HImode preinc peephole): Fix typo.
10867 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10869 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10870 (insert_block_after_note): Abort if we don't have a previous block.
10871 Remove FN parameter.
10872 * function.h: Adjust.
10874 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10876 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10877 argument more than once.
10879 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10881 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10883 1999-12-15 Jakub Jelinek <jakub@redhat.com>
10885 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
10887 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10889 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
10890 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
10891 update stack_alignment_needed.
10892 (prepare_function_start): Initialize stack_alignment_needed
10893 * function.h (struct function): Add field stack_alignment_needed.
10895 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10897 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
10898 Handle live_throughout / dead_or_set instead of live_before /
10900 (save_call_clobbered_regs): Get register livenessinformation from
10901 chain->live_throughout.
10902 (add_stored_regs): New function.
10903 (insert_restore, insert_save): Add restored / saved registers to
10905 * global.c (reg_dies): New parameter chain.
10906 (reg_becomes_live): Third parameter is regs_set now.
10907 Changed all callers.
10908 (reg_dies): New parameter chain. Changed all callers.
10909 (build_insn_chain): Set live_throughout instead of
10910 live_before / live_after.
10911 * reload.h (struct insn_chain): Replace members live_before /
10912 live_after with live_throughout / dead_or_set.
10913 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
10914 instead of live_before / live_after.
10915 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
10916 (order_regs_for_reload, find_reg, finish_spills): Likewise.
10917 (choose_reload_regs_init): Likewise.
10918 * stupid.c (current_chain, find_clobbered_regs): Delete.
10919 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
10920 instead of chain->live_before / chain->live_after.
10921 (mark_hard_ref): New function.
10922 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
10924 1999-12-15 David S. Miller <davem@redhat.com>
10926 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
10928 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10930 * flow.c (calculate_loop_depth): Make global, remove prototype,
10931 rewrite to use new loop infrastructure.
10932 (find_basic_block): Remove calculate_loop_depth call.
10933 * toplev.c (rest_of_compilation): Call find_basic_block.
10934 * output.h (calculate_loop_depth): Declare.
10936 * flow.c (dump_flow_info): Dump loop_depth.
10937 (flow_loops_nodes_find): Increase loop_depth for basic block in the
10939 (flow_loops_find): Initialize the loop_depth for each basic block.
10941 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10943 * tree.c (decl_function_context): Handle virtual functions.
10945 * tlink.c (scan_linker_output): Don't look in demangled name when
10946 looking for linker output keywords.
10948 * dwarfout.c (output_type): We can defer namespace-scope classes.
10950 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
10952 * regclass.c (record_reg_classes): Update comment for merging
10953 register class preferences in reg->reg copies. Tighten conditions
10954 for merging register class preferences in reg->reg copies.
10956 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
10958 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
10960 1999-12-14 Geoff Keating <geoffk@cygnus.com>
10962 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
10963 (INIT_SECTION_ASM_OP): Delete.
10964 (FINI_SECTION_ASM_OP): Delete.
10965 (STARTFILE_SPEC): Define to hold just crtbegin.o.
10967 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
10969 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
10970 the abstract origin wasn't emitted.
10972 * dwarf2out.c (class_scope_p): New fn.
10973 (gen_subprogram_die): Use it.
10974 (gen_variable_die): Use it. Tweak logic.
10975 (gen_struct_or_union_type_die): Check context_die to determine
10976 if we're function-local.
10977 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
10979 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
10981 * loop.c (check_dbra_loop): Can't reverse a biv that has
10982 maybe_multiple set.
10984 1999-12-14 Nick Clifton <nickc@cygnus.com>
10986 * config/arm/arm.c: Add support for -mcpu=arm720 command line
10989 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10991 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
10992 for givs made from biv increments.
10994 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
10996 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
10997 * alpha.c (override_options): Recognize -mcpu=ev67.
10998 * alpha.h (CPP_CPU_EV67_SPEC): New.
10999 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
11000 (EXTRA_SPECS): Update.
11002 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
11004 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
11005 appropriate for -lang-c89 and -std=*.
11006 * cppinit.c (cpp_handle_option): Likewise.
11007 (new_pending_define): New, split out from cpp_handle_option.
11008 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
11009 or enable trigraphs for -ansi/-std=*.
11011 * ginclude/stdarg.h (__va_copy): New.
11012 (va_copy): Don't define for C89.
11014 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
11016 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
11017 for long long multiply-accumulate.
11019 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11021 * regclass.c (scan_one_insn): Set loop_cost to 1 when
11022 optimizing for size.
11024 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11026 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
11027 if something changed. Back out that part of yesterday's changes.
11029 * loop.c (loop_max_reg): New static variable.
11030 (loop_optimize): Initialize it. Eliminate one unnecessary call to
11032 (scan_loop): Call reg_scan_update whenever we may have added new
11033 registers, and update loop_max_reg.
11035 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11037 * regclass.c (record_reg_classes): Do not do the copying preferrencing
11038 when source does not die.
11040 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
11042 1999-12-14 Jakub Jelinek <jakub@redhat.com>
11044 * config/sparc/linux64.h (TARGET_LIVE_G0,
11045 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
11047 * config/sparc/linux.h (TARGET_LIVE_G0,
11048 TARGET_BROKEN_SAVERESTORE): Likewise.
11049 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11050 TARGET_BROKEN_SAVERESTORE): Likewise.
11052 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
11053 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
11055 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
11056 as sparc64 block profiling register.
11057 * config/sparc/sparc.c (sparc_override_options): Allow block
11058 profiling with -m32.
11059 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
11060 profiling register.
11061 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
11062 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
11063 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
11065 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
11067 * config/sparc/sparc.h: Likewise.
11068 * config/sparc/xm-sysv4-64.h: Likewise.
11069 * config/float-sparc.h: Likewise.
11070 * glimits.h: Likewise.
11071 * longlong.h: Likewise.
11073 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
11074 (ASM_IDENTIFY_GCC): Remove.
11076 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11078 * combine.c (combine_simplify_rtx): Don't make shared rtl.
11079 (simplify_logical): Likewise.
11081 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11083 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
11084 * cppfiles.c (INO_T_EQ): Likewise.
11086 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11088 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
11089 * i386/mingw32.h (LIB_SPEC): Likewise.
11090 (STARTFILE_SPEC): Likewise.
11091 * i386/uwin.h (LIB_SPEC): Likewise.
11092 (STARTFILE_SPEC): Likewise.
11094 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
11095 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
11097 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
11099 * combine.c (combine_simplify_rtx): Fix order of checks for
11100 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
11102 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
11104 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
11105 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
11107 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11109 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
11111 * regclass.c (inv_reg_alloc_order): New array.
11112 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
11114 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
11115 counted_for_groups, counted_for_nongroups. Add fields rld and
11117 * reload.c (push_secondary_reload): Don't set nongroup field of
11119 (push_reload): Likewise.
11120 (find_reloads): Delete code to compute nongroup fields.
11121 * reload1.c (reload_insn_firstobj): New static variable.
11122 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
11124 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
11125 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
11126 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
11128 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
11130 (struct hard_reg_n_uses): Deleted.
11131 (potential_reload_regs): Deleted.
11132 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11133 (reload): Don't try to allocate reload registers if we already know
11134 we have to make another pass. Call select_reload_regs. Free memory
11135 starting with reload_firstobj when starting another pass.
11136 Don't allocate spilled_pseudos.
11137 (calculate_needs_all_insns): Call copy_reloads for an insn that
11138 needs reloads; don't call calculate_needs.
11139 (spill_cost): New static array.
11140 (used_spill_regs_local): New static variable.
11141 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11142 to compute potential_reload_regs.
11143 (find_reload_regs): Completely rewritten to use find_reg.
11144 (allocate_reload_reg): Don't test counted_for_groups or
11145 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11146 all cllers changed.
11147 (choose_reload_regs): Add fallback code that uses the existing
11148 register allocation from find_reload_regs.
11150 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11152 * flow.c (create_edge_list): Cast xmalloc return value.
11154 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11156 * doprnt.c: Remove incorrect comment closure.
11158 * cse.c: Fix a few minor whitespace goofs.
11160 1999-12-13 Don Bowman <don@pixstream.com>
11162 * mips/vxworks.h: Fix problem with comment termination.
11163 (EXTRA_SECTIONS): Add in_sbss.
11164 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11166 1999-12-12 David S. Miller <davem@redhat.com>
11168 * cse.c (struct cse_reg_info): Add hash_next member,
11169 reorder rest of struct for better packing on 64-bit
11171 (cse_reg_info_tree): Kill.
11172 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11173 REGHASH_FN): New custom pow2 hash mechanism.
11175 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11176 use a pow2 hash table.
11177 (get_cse_reg_info): Rework to use new REGHASH.
11178 (new_basic_block): Likewise, use HASH_SIZE, and inline
11180 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11181 and inline free_element call.
11182 (lookup_as_function, insert, flush_hash_table, invalidate,
11183 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11184 invalidate_for_call, use_related_value, find_comparison_args,
11185 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11186 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11187 get_element): Kill.
11189 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11191 * cse.c (cse_basic_block): Free qty_table consistently.
11193 1999-12-12 David S. Miller <davem@redhat.com>
11194 Jakub Jelinek <jakub@redhat.com>
11196 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11197 SUBREGs by hand, gen the appropriate hard reg directly.
11198 (movtf reg/mem split): Likewise and alter_subreg on destination
11200 (movtf mem/reg split): Similarly.
11201 (movdf_cc_sp64): Rename from hidden pattern.
11202 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11203 (movtf_cc_sp64, following split): New pattern and splitter.
11204 (movdf_cc_reg_sp64): Rename from hidden pattern.
11205 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11207 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11209 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11211 * loop.c (load_mems): Don't hoist written floating point mem
11214 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11216 * except.h (struct eh_queue): Add `next' pointer.
11217 (struct eh_status): Make x_ehqueue a pointer.
11218 (push_ehqueue): Declare.
11219 (pop_ehqueue): Likewise.
11220 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11222 (expand_fixup_region_end): Likewise.
11223 (expand_leftover_cleanups): Likewise.
11224 (push_ehqueue): Define.
11225 (pop_ehqueue): Likewise.
11226 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11227 than doing it inline.
11228 (expand_start_all_catch): Adjust now that ehqueue is a
11230 (mark_eh_queue): Mark all level of the queue.
11231 (mark_eh_status): Adjust now that ehqueue is a
11233 (init_eh_for_function): Allocate ehqueue.
11234 (free_eh_status): Free it.
11235 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11236 expansion for a fixup.
11238 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11240 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11242 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11243 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11244 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11245 function_ptr, getpagesize, __enable_execute_stack,
11246 __enable_execute_stack, __clear_insn_cache,
11247 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11248 _cleanup, _exit, __default_terminate, __terminate_func,
11249 __terminate, __empty, __throw, new_eh_context,
11250 eh_context_initialize, eh_context_static, eh_context_specific,
11251 get_eh_context, __get_eh_context, __get_eh_info,
11252 init_reg_size_table, eh_threads_initialize,
11253 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11254 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11255 __pure_virtual): Add prototype arguments.
11256 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11257 Cast a signed value to unsigned long when comparing against one.
11258 (new_eh_context): Wrap in _GTHREADS macro.
11259 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11261 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11262 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11264 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11266 * combine.c (record_promoted_value): Remove unused variable
11269 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11271 * global.c (record_conflicts): Likewise for `j'.
11273 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11276 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11278 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11279 output_fp_compare): Constify a char*.
11281 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11283 (override_options, ix86_comp_type_attributes, print_operand,
11284 output_387_binary_op, output_fix_trunc, output_fp_compare):
11286 (ix86_sched_reorder): Mark parameter `clock_var' with
11289 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11291 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11293 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11294 operand, for use in the Java front-end.
11296 1999-12-10 Ben Collins <bcollins@debian.org>
11298 * configure.in: Fix typo for "-64" in 64bit as check.
11299 * configure: Rebuilt.
11301 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11303 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11306 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11308 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11309 concatenation is utilized.
11311 * invoke.texi (-Wtraditional): Document it.
11313 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11315 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11316 Cast a ptrdiff_t to long and pass it to printf with %ld.
11318 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11320 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11321 68881, we have no 68881 registers at all.
11322 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11323 value in a 68881 register if it is available.
11325 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11327 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11328 for long long multiply-accumulate.
11330 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11332 * loop.c (insert_loop_mem): Undo last change.
11334 1999-12-10 David S. Miller <davem@redhat.com>
11336 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11338 * config/sparc/sparc-protos.h: Add them.
11339 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11340 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11341 constraints which use those helpers.
11342 (EXTRA_CONSTRAINT): Use this new macro.
11343 * md.texi: Update sparc target constraints documentation.
11344 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11345 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11346 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11347 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11348 (movsf high/lo_sum split): Rework for new patterns.
11349 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11351 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11353 * c-common.c (c_common_nodes_and_builtins):
11354 Create __builtin_ptrdiff_t and __builtin_size_t.
11356 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11358 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11360 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11362 * regclass.c (globalize_reg): Re-instate test that allows
11363 fixed registers to be declared as a variable even after functions
11366 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11368 * i386.md (cpu attribute): Add "athlon".
11369 (athlon_decode): New attribute.
11370 (Athlon scheduling units definitions): New.
11371 (fcmp and shld patterns): Set athlon_decode to "vector".
11372 * i386.c (athlon_cost): New.
11374 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11375 x86_use_sahf): Set for Athlon.
11376 (x86_use_fiop): Unset for Athlon.
11377 (override_options): Define Athlon alignments and "athlon" name.
11378 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11379 * i386.h (TARGET_ATHLON): New.
11380 (enum processor_type): Add PROCESSOR_ATHLON.
11381 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11383 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11385 1999-12-09 Andreas Jaeger <aj@suse.de>
11387 * loop.c (record_biv): Declare parameter as int.
11389 * config/i386/i386-protos.h: Declare long_memory_operand.
11391 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11393 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11394 EXPR_WITH_FILE_LOCATION.
11396 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11398 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11401 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11403 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11406 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11408 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11409 default on linux64 again.
11410 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11411 models for multilibing.
11412 * genmultilib: Accept | as alternative separator within a set in
11415 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11417 * calls.c (precompute_arguments): Make sure initial_value contains
11418 value pseudo which CSE expects.
11419 * cse.c (struct set): New entry orig_src.
11420 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11423 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11425 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11427 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11429 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11431 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11433 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11434 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11436 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11439 * longlong.h: Merge in changes from glibc.
11440 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11441 -mno-app-regs libgcc can be compiled.
11442 * libgcc2.c: Add defines so that the updated longlong.h
11443 can be used in libgcc2.a. Also, make sure on most architectures
11444 (at least on all which have optimized code in longlong.h defined
11445 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11447 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11449 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11450 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11451 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11453 * configure: Rebuilt.
11455 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11457 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11458 outputs require a register.
11460 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11462 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11463 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11464 functions like dptoul will be resolved.
11465 (libgcc2.a): Make sure that the object files from DPBIT are named
11466 differently (prefix `_dp') from those that would be coming from
11469 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11471 * configure.in: When target is sparc* and tm_file contains 64,
11472 test for 64bit support in assembler. If not supported, remove
11473 sparc/t-sol2-64 from target-dependent Makefile fragments.
11474 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11475 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11476 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11477 * acconfig.h (AS_SPARC64_FLAG): Added.
11478 * configure, config.in: Rebuilt.
11479 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11480 support. Use AS_SPARC64_FLAG.
11482 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11484 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11485 suitable for holding OFmode values so that gcc works with complex
11487 (hard_64bit_mode_classes): Likewise.
11489 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11490 so that it is actually matched.
11491 (sethi_di_medlow): Likewise.
11493 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11494 as legitimate constant if -mvis.
11495 * config/sparc/sparc.md (movtf): Likewise.
11496 (clear_sf): Use const_double_operand.
11497 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11499 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11500 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11501 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11502 routines, _Qp_* cannot be handled like that now.
11503 (INIT_TARGET_OPTABS): Likewise.
11504 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11505 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11506 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11507 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11508 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11509 divtf3, sqrttf3): New expanders.
11510 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11511 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11512 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11515 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11516 * configure: Rebuilt.
11517 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11518 -mcpu is given and we're doing 64bit compiles.
11520 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11522 * loop.h (struct induction): Add multi_insn_incr.
11523 * loop.c (basic_induction_var): New multi_insn_incr argument.
11524 Set it if we search back through previous insns for the biv.
11525 (record_biv): New multi_insn_incr argument; fill in struct induction.
11526 (strength_reduce): Discard an iv with multiple bivs, any of
11527 which require multiple insns to increment.
11529 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11531 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11534 1999-12-06 David S. Miller <davem@redhat.com>
11536 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11537 PROMOTE_FUNCTION_RETURN.
11539 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11541 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11542 and handle REG_UNUSED note on insn.
11544 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11545 inner_mask instead of mask.
11547 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11549 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11550 zero if there was an error.
11552 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11554 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11557 * longlong.h: Fix clobbers in SPARC asm statements.
11559 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11560 valid sethi operations when TARGET_ARCH64.
11562 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11563 always use move_by_pieces to avoid infinite recursion.
11564 (restore_fixed_argument_area): Likewise.
11566 * combine.c (check_promoted_subreg, record_promoted_value): New
11568 (combine_instructions): Use them to retain nonzero and sign bit
11569 information after SUBREGs are eliminated by optimizations in
11570 this pass if PROMOTE_FUNCTION_RETURN.
11572 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11573 .register declaration. Don't use variables with __ prefixes.
11575 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11577 * fold-const.c (optimize_bit_field_compare): Only use one mode
11578 for both RHS and LHS in non-constant case.
11580 1999-12-06 Nathan Sidwell <nathan@acm.org>
11582 * frame.c (start_fde_sort): Only allocate erratic array, if
11583 linear one was allocated. Return allocated flag.
11584 (fde_insert): Only insert, if there's a valid array.
11585 (fde_end_sort): Split, sort and merge if linear and erratic
11586 arrays exist, else just sort linear one.
11587 (search_fdes): New function. Linear search through original fde
11589 (frame_init): Permit multiple initializations. Cope with
11591 (find_fde): Fallback on linear search, if failed to sort array.
11592 (__deregister_frame_info): Only free sorted array, if we
11595 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11597 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11599 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11601 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11603 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11605 * tree.h (special_function_p): Declare.
11606 * calls.c (special_function_p): Make it global. Don't take `name'
11607 as a parameter. Fix typo in 1999-11-28 change.
11608 (expand_cal): Adjust.
11610 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11612 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11613 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11614 EXPR_WFL_FILENAME_NODE.
11615 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11617 * print-tree.c (print_note): Print TREE_PRIVATE and
11620 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11621 the original die cannot be found.
11623 * varray.h (varray_head_tag): Add elements_used.
11624 (VARRAY_PUSH): New macro.
11625 (VARRAY_POP): Likewise.
11626 (VARRAY_TOP): Likewise.
11627 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11629 * varray.c (varray_init): Initialize elements_used.
11630 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11631 (INTEGRATE_H): New variable.
11632 (integrate.o): Depend on INTEGRATE_H.
11633 (unroll.o): Likewise.
11635 * function.h (insert_block_after_note): Declare.
11636 * function.c (insert_block_after_note): Split out from ...
11637 (retrofit_block): ... here.
11639 * stmt.c (expand_fixup): Fix typo in comment.
11641 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11643 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11644 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11645 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11646 (regmove_optimize, fixup_match_1): Likewise.
11648 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11650 * flow.c (flow_loops_dump): Add missing argument when calling
11651 flow_loop_nested_p.
11653 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11654 Greg McGary <gkm@gnu.org>
11656 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11657 (init_attributes): Add A_NO_LIMIT_STACK.
11658 (decl_attributes): Handle A_NO_LIMIT_STACK.
11659 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11660 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11661 Handle stack bounds checking.
11662 * flags.h (flag_stack_check): Use the word 'probe' rather than
11663 'check', because the flag doesn't actually cause any checking to
11665 * function.c (expand_function_start): Set
11666 current_function_limit_stack.
11667 * function.h (struct function): Add limit_stack.
11668 (current_function_limit_stack): Define.
11669 * invoke.texi (Code Gen Options): Document new options.
11670 * rtl.h: Declare stack_limit_rtx.
11671 * toplev.c (stack_limit_rtx): New variable.
11672 (decode_f_option): Handle new options -fstack-limit-register=REG,
11673 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11674 (main): Add stack_limit_rtx as GC root.
11675 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11676 (struct tree_decl): New member no_limit_stack.
11678 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11680 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11681 (conditional_trap+1): Get new mnemonic correct.
11682 (conditional_trap+2): New pattern for DImode traps.
11684 * config/m68k/m68k.c (output_function_prologue): Handle
11686 * config/m68k/m68k.md (trap): New insn.
11687 (conditional_trap): New insn.
11688 * md.texi (Standard Names): Document `trap' and
11689 `conditional_trap'.
11690 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11691 so a cc0 setter doesn't get emitted at some random place in the
11694 * config/i960/i960.md (trap): New insn.
11695 (conditional_trap): New expander.
11696 (conditional_trap+1, conditional_trap+2): New insns for signed
11697 and unsigned cases.
11698 * config/i960/i960.c (i960_function_prologue): Use
11699 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11701 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11702 Geoffrey Keating <geoffk@cygnus.com>
11704 * flags.h (warn_padded, warn_packed): Add global var decls.
11705 * toplev.c (warn_padded, warn_packed): Add global var defns.
11706 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11707 * stor-layout.c (layout_record): Add local variable `type'
11708 to hold often-used TREE_TYPE (field). Add local variable
11709 `unpacked_align' to hold alignment that would be in force
11710 if no `packed' attribute were present. Warn if `packed' attribute
11711 is unnecessary, or even harmful. Warn when gcc inserts padding
11712 to satisfy alignment requirements of members. Use NULL_TREE
11713 when checking whether var_size is set.
11714 * invoke.texi: Document new flags.
11716 1999-12-03 Nathan Sidwell <nathan@acm.org>
11718 * frame.c (fde_split): Reimplement to avoid variable sized array.
11720 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11722 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11723 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11725 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11727 * invoke.texi: Document the mips option -mno-crt0
11729 1999-12-02 Mike Karr <mkarr@mathworks.com>
11731 * cccp.c (argdata): Added free_ptr member.
11732 (macroexpand): Initialize free_ptr of each argument. When an
11733 argument's buffers are freed, if the argument's free_ptr corresponds
11734 to a buffer on the input stack, then return the free_ptr to that stack
11735 frame, otherwise, free it.
11736 (macarg): If an argument begins and ends on the same input stack level,
11737 then transfer the free_ptr of that buffer to the argument in case
11738 the stack is popped during the processing of a subsequent argument.
11740 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11742 * loop.c (note_reg_stored): New function.
11743 (struct note_reg_stored_arg): New structure.
11744 (try_copy_prop): Change to be more conservative; only replace within
11745 one extended basic block and stop replacing if a store to the
11746 replacement reg is seen.
11748 1999-12-02 Nick Clifton <nickc@cygnus.com>
11750 * config/fp-bit.c: Initialise all fields of the NAN
11753 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11756 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11758 * i386.md (extend?f?f2): Force the input into a register, not
11761 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11763 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11765 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11766 alternative because setting up 64bit constant is usually costly,
11767 especially when reload is in progress or completed.
11768 (movdf_const_intreg_sp64): Likewise.
11769 (movdf_const_intreg split): Fix building up constants when
11770 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11772 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11774 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11775 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11778 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11779 (asm_file_start): Emit .am33 into assembly file when compiling for
11781 (print_operand_address): Handle POST_INC addresses.
11782 (can_use_return_insn, initial_offset): Check AM33 registers too.
11783 (expand_prologue): Check & save AM33 registers too.
11784 (expand_epilogue): Similarly.
11785 (secondary_reload_class): Handle AM33 specific secondary reloads.
11786 (output_tst): Emit efficient code for the AM33 too.
11787 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11788 (TARGET_SWITCHES): Add -mam33 switch.
11789 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11790 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11791 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11792 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11793 (enum reg_class, REG_CLASS_NAMES): Likewise.
11794 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11795 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11796 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11797 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11798 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11799 (HAVE_POST_INCREMENT): Define.
11800 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11801 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11802 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11803 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11804 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11805 (zero_extend to SI from QI/HI): Likewise.
11806 (sign_extend to SI from QI/HI): Likewise.
11807 (mulsidi3, umulsidi3): New patterns for the AM33.
11808 (tstsi with zero extension from QI/HI): Add AM33 variants.
11809 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11810 (return_internal_regs, store_movm): Handle new AM33 registers.
11811 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11812 (LIBGCC, INSTALL_LIBGCC): Likewise.
11813 * invoke.texi: Document new flags.
11815 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11817 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11818 (addsi3_carry): Likewise.
11819 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11820 (sbbsi3_carry): Likewise.
11821 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11822 (mulhi3): Likewise.
11823 (test?i_1): Ensure that only one operand is memory.
11824 (conditional move patterns): likewise.
11825 (shift and rotate patterns): Rewrite to expander, add
11826 "binary_operator_ok" to the condition.
11828 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11829 * i386.h (procesor_costs): Add movzbl_load field.
11830 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11831 non-Q registers, accept DImode registers anywhere.
11833 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11834 * i386.c (*_cost): Set value for movxbl_load field.
11836 * (addsi): New add to lea splitter.
11837 (ashlsi): Likewise.
11838 (lea to add/shift peep2): New.
11840 1999-12-01 Mark Salter <msalter@cygnus.com>
11842 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11843 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11844 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11846 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11848 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11849 * i386.md (movsi_xor): New.
11851 (movsi_1, movhi_1, movqi_1): Remove.
11852 (movsi_2): Rename to movsi_1.
11853 (movhi_2): Rename to movhi_1.
11854 (movqi_2): Rename to movqi_1.
11855 (movdi_1): Remove; remove splitter.
11856 (movdi_2): Rename to movdi_1.
11857 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11858 (long move peep2): Do not create QI or HI mode mov0s
11859 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11861 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11864 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11865 (abs?f2_if): Likewise.
11867 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11869 * ggc.h (ggc_test_and_set_mark): New macro.
11870 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11871 (ggc_mark_tree): Likewise.
11872 (ggc_mark_rtvec): Likewise.
11873 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11875 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11877 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11879 (decl_scope_table): Just an array of trees now.
11880 (push_decl_scope): Simplify.
11881 (dwarf2out_init): Adjust.
11882 (local_scope_p): New fn.
11883 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11884 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
11885 (gen_typedef_die): Likewise.
11886 (gen_lexical_block_die): Don't call push/pop_decl_scope.
11887 (gen_inlined_subroutine_die): Likewise.
11888 (gen_abstract_function): Set current_function_decl temporarily.
11889 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
11890 Handle block extern declarations. Don't call push/pop_decl_scope.
11891 (gen_decl_die): Fix logic for block externs.
11893 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11895 * calls.c (special_function_p): Remove `realloc' and add `strdup'
11896 to the list of functions which have attribute malloc by default.
11898 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11900 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
11901 integer constant does not match the traditional type, limit the
11902 warnings to cases where the base of the type is ten.
11904 * invoke.texi (-Wtraditional): Document it.
11906 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11908 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
11909 * rs6000.md: Only access a CONST_INT with INTVAL
11911 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
11913 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
11914 (compute_nearerout): Likewise.
11915 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
11916 size_t to unsigned long for formatting.
11918 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11920 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
11921 Allow the user to override call-used/fixed state of %g2-5
11922 registers from the command line (with the exception of %g4 for
11924 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
11925 there is a higher chance of having a leaf function.
11926 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
11927 for ARCH64 which has %ccr register.
11928 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
11930 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
11931 insn accept into delay slot any insn which does not use %[ol]
11932 registers. Accept some LO_SUM and shift left by 1 for the normal
11934 (output_function_epilogue): Likewise.
11935 (epilogue_renumber): Added argument which inhibits any renumbering
11936 and just tests if the rtx does not use any %[ol] registers.
11937 (output_return): Reflect above change.
11939 1999-11-30 Jakub Jelinek <jakub@redhat.com>
11941 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
11942 aggregate passing for sizes <= 16 bytes.
11944 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
11946 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
11947 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
11948 * reload.c (find_dummy_reload): Likewise.
11949 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
11950 * reload1.c (reload_as_needed): Likewise.
11951 * stupid.c (stupid_find_reg): Likewise.
11952 * tm.texi (Obsolete Register Macros): Delete section.
11953 * gmicro.h: Remove all traces of the two macros.
11954 * i386.h: Likewise.
11955 * m88k.h: Likewise.
11956 * mips.h: Likewise.
11958 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
11960 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
11961 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
11962 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
11963 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
11964 units for the sparclite86x chip.
11965 (flush): Revert October 14th change; add SImode specifically.
11966 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
11967 * invoke.texi: Document it.
11969 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
11971 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
11972 psimode_truncation_operand.
11974 * config/mn10200/mn10200.c (psimode_truncation_operand): New
11975 function. Return true if the operand is either a MEM valid
11976 for a PSImode address or not a MEM at all.
11978 * config/mn10200/mn10200.md (truncsipsi2): Use
11979 psimode_truncation_operand.
11981 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11983 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
11984 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
11985 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
11986 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
11987 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
11988 (flow_loop_level_compute, low_loops_level_compute): Likewise.
11989 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
11990 * basic-block.h: Protect from multiple inclusion.
11991 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
11992 (struct loops, struct loop): Define structures.
11993 * sbitmap.c (sbitmap_a_subset_b_p): New function.
11994 * sbitmap.h: Protect from multiple inclusion.
11995 (sbitmap_a_subset_b_p): Add prototype.
11996 * Makefile.in (LOOP_H): New macro.
11997 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
11999 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
12001 * cppinit.c (CAT): The argument list of this macro may not contain
12004 1999-11-29 David S. Miller <davem@redhat.com>
12006 Move quantity tables and register equivalence chains into
12007 per-qty and per-register structure arrays respectively.
12008 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
12009 qty_const_insn, qty_comparison_code, qty_comparison_const,
12010 qty_comparison_qty): Delete, replace with...
12011 (qty_table): this structure table.
12012 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
12013 (reg_eqv_table): this structure table.
12014 (make_new_qty): Add argument MODE. Caller updated.
12015 Update to use qty_table and reg_eqv_table.
12016 (make_regs_eqv, delete_reg_equiv, insert_regs,
12017 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
12018 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
12019 cse_process_notes, cse_main, cse_basic_block): Likewise.
12021 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12023 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
12024 operation if C is negative.
12025 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
12026 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
12027 law for some divisions if constant is negative and change other
12028 divisions to the opposite rounding.
12030 * expr.c (store_constructor_field): If bit position is not multiple
12031 of alignment of TARGET's mode, use BLKmode.
12033 * expr.c (expand_expr_unaligned): Add more code from full case
12034 that is needed when OP0 is in a register.
12036 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12038 * dwarfout.c (field_byte_offset): Size can be zero if there was
12041 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12043 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
12044 (associate_trees): Delete unused var TEM.
12045 (extract_muldiv): Delete unused var CANCEL_P.
12047 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
12048 (target_isinf, target_isnan, target_negative): Add return types to
12049 function definitions.
12051 1999-11-29 Bruce Korb <autogen@linuxbox.com>
12053 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
12054 * fixinc/hackshell.tpl: ditto
12055 * fixinc/fixtests.c(double_slash_test): more C++ header testing
12056 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
12058 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12060 * reload.c (push_reload): When looking for a register to put into
12061 reg_rtx, make sure all hard regs in a multi-reg register are in the
12062 right class and nonfixed.
12064 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
12065 pending_read_insns, pending_write_insns, pending_read_mems,
12066 pending_write_mems, pending_list_length, last_pending_memory_flush,
12067 last_function_call, sched_before_next_call): Move static variables
12069 (bb_ prefixed versions): Replace with single array bb_deps.
12070 (struct deps): New structure.
12071 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
12072 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
12073 argument of type "struct deps *"; use that instead of global
12074 variables. All callers changed.
12075 (init_rgn_data_dependencies): Delete function.
12076 (init_rtx_vector): Delete function.
12077 (init_deps): New function.
12079 (free_pending_lists): Simplify, we always use the bb_deps array even
12080 if only one basic block.
12081 (compute_block_backward_dependences): Likewise.
12082 (schedule_region): Likewise.
12084 (propagate_deps): New function, broken out of
12085 compute_block_backward_dependences.
12086 (compute_block_backward_dependences): Use it.
12088 * alpha.md: Delete useless patterns that tried to work around
12089 register elimination problems.
12091 * unroll.c (loop_iterations): Don't abort if iteration variable
12094 From Joern Rennecke:
12095 * reload1.c (reloads_conflict): Reverse test comparing operand
12096 numbers when testing for conflict between output/outaddr reloads.
12098 1999-11-29 David S. Miller <davem@redhat.com>
12100 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
12102 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
12104 1999-11-28 Robert Lipe <robertl@cygnus.com>
12106 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
12107 table from .fini into .dtor.
12109 1999-11-28 Anthony Green <green@cygnus.com>
12111 * tree.h (struct tree_decl): Add malloc_flag.
12112 (DECL_IS_MALLOC): Define.
12113 * c-common.c (attrs): Add A_MALLOC attribute.
12114 (init_attributes): Add this attribute to the table.
12115 (decl_attributes): Handle malloc attribute.
12116 * calls.c (special_function_p): Check for the malloc attribute.
12117 * extend.texi (Function Attributes): Document malloc attribute.
12119 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
12121 * pa.md (reload shift-add patterns): Remove.
12123 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12125 * reorg.c (dbr_schedule) Print more statistics. Corrected
12126 problem when printing info when 3 delay slots are filled.
12128 1999-11-28 Jakub Jelinek <jakub@redhat.com>
12130 * combine.c (setup_incoming_promotions): Pass an outgoing
12131 regno to FUNCTION_ARG_REGNO_P which it expects.
12133 1999-11-28 Andreas Jaeger <aj@suse.de>
12135 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12137 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12139 * cccp.c (do_include): Avoid initialization of automatic variable.
12141 * integrate.c (mark_stores): Function definition made void, to match
12142 previous declaration.
12143 * regclass.c (dump_regclass): Ditto.
12144 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12146 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12148 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12149 known to be multiple of divisor.
12151 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12153 * combine.c (try_combine): Add code to try to merge a set of a
12154 two-word pseudo to a constant with a setting of one of those words
12157 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12158 (split_tree): Completely rework to make more general.
12159 (make_range, fold): Call negate_expr.
12160 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12161 (fold, associate): Call new split_tree and associate_trees.
12162 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12164 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12166 * loop.c (try_copy_prop): Avoid GNU C extension.
12168 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12170 * except.c (init_eh_for_function): Still zero eh_return_context,
12171 eh_return_stack_adjust, and eh_return_handler.
12173 * except.h (eh_status): Adjust documentation for x_protect_list.
12174 (begin_protect_partials): New function.
12175 * except.c (enqueue_eh_entry): Fix formatting.
12176 (get_first_handler): Add consistency check.
12177 (add_partial_entry): Adjust usage of protect_list.
12178 (emit_cleanup_handler): Save and restore ehqueue.
12179 (expand_start_all_catch): Add comment.
12180 (begin_protect_partials): New function.
12181 (end_protect_partials): Adjust usage of protect_list.
12182 (init_eh_for_function): Use xcalloc.
12184 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12186 * c-common.c (check_format_info): Don't call a variadic function
12187 with a non-literal format string.
12189 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12191 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12192 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12195 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12198 * collect2.c (collect_wait): Likewise.
12200 * dbxout.c (dbxout_type): Likewise.
12202 * gcc.c (do_spec_1): Likewise.
12204 * genemit.c (gen_insn, gen_expand): Likewise.
12206 * genrecog.c (write_switch, write_subroutine): Likewise.
12208 * mips-tfile.c (catch_signal, botch): Likewise.
12210 * print-rtl.c (print_rtx): Likewise.
12212 * toplev.c (default_print_error_function, report_error_function,
12213 _fatal_insn): Likewise.
12215 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12217 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12219 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12221 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12222 operations when needed.
12223 * i386.md (fop_?f_comm): New.
12224 (fop_?f_1): Do not accept commutative operands.
12226 1999-11-25 Andreas Jaeger <aj@suse.de>
12228 * config/mips/mips.md (casesi_internal): Add missing brace.
12230 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12232 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12233 (splice_child_die): Handle moving a child DIE from the declaration
12234 DIE of a class to its specification.
12235 (gen_struct_or_union_type_die): Use 'complete' consistently.
12236 (gen_decl_die): Generate the virtual context DIE first.
12237 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12239 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12241 * config/mips/mips.md (call_value_multiple_interanal1): New.
12243 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12245 * dwarf2out.c (free_AT, free_die): New fns.
12246 (remove_children): Call them.
12247 (output_line_info): Disable removal of duplicate notes.
12249 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12250 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12251 means pretend the type isn't defined.
12252 Don't defer emitting types.
12253 (gen_type_die_for_member): New fn.
12254 (gen_decl_die): Call it.
12255 (splice_child_die): New fn.
12256 (gen_member_die): Call it rather than generate duplicate dies.
12258 Defer emitting information for the abstract instance of an inline
12259 until we either inline it or emit an out-of-line copy.
12260 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12261 from output_inline_function if DECL_ABSTRACT is also set.
12262 (block_ultimate_origin): Likewise.
12263 (gen_abstract_function): New fn.
12264 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12265 (gen_subprogram_die): An abstract instance is not a declaration
12266 just because it doesn't match current_function_decl. Don't abort
12267 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12268 has an abstract origin.
12269 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12270 abstract instance here.
12272 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12274 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12275 where we need to reload fpul from a system register.
12277 1999-11-24 Andreas Jaeger <aj@suse.de>
12279 * config/mips/linux.h (CPP_PREDEFINES): Added.
12280 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12282 1999-11-24 Andreas Jaeger <aj@suse.de>
12284 * config/mips/linux.h (TARGET_VERSION): Added.
12285 (HANDLE_SYSV_PRAGMA): Added.
12286 (DEFAULT_VTABLE_THUNKS): Added.
12288 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12290 * local-alloc.c (qty): New structure and static variable.
12291 (qty_phys_reg): Remove, all references changed to qty.
12292 (qty_n_refs): Likewise.
12293 (qty_min_class): Likewise.
12294 (qty_birth): Likewise.
12295 (qty_death): Likewise.
12296 (qty_size): Likewise.
12297 (qty_mode): Likewise.
12298 (qty_n_calls_crossed): Likewise.
12299 (qty_alternate_class): Likewise.
12300 (qty_changes_size): Likewise.
12301 (qty_first_reg): Likewise.
12302 (alloc_qty): Rename variable QTY to QTYNO.
12303 (finf_free_reg): Likewise.
12304 (local_alloc): Allocate qty, do not allocate the removed variables.
12306 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12308 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12309 when -membedded-pic is passed.
12311 * config/mips/mips.md (casesi): Handle 64-bit case too.
12312 (casesi_internal_di): New insn.
12314 * config/mips/mips.c (embedded_pic_offset): Always make the
12315 embedded-pic subtractions relative to the name of the current
12316 function by use of the magic string "..CURRENT_FUNCTION".
12317 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12319 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12321 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12322 of (const_int 0), when what we really care about is
12323 whether it's a zero constant anyway.
12324 (div_trap_mips16): Likewise.
12326 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12328 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12329 unroll_block_trees when generating debuggable code.
12331 * tree.h (unsave_expr_1): New function.
12332 (lang_unsave): New variable.
12333 (get_callee_fndecl): New function.
12334 * tree.c (unsave_expr_now_r): New function.
12335 (lang_unsave): Define.
12336 (unsave_expr_1): Likewise.
12337 (unsave_expr_now_r): Split out from unsave_expr_now.
12338 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12339 call unsave_expr_now_r.
12340 (get_callee_fndecl): Define.
12342 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12343 (gencheck.o): Do depend on lang_tree_files.
12345 * integrate.h (copy_decl_for_inlining): New declaration.
12346 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12347 (copy_decl_for_inlining): New function.
12348 (integrate_parm_decls): Use it.
12349 (integrate_decl_tree): Likewise.
12351 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12353 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12354 the second two from the first.
12355 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12356 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12357 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12359 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12360 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12363 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12365 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12366 needed on the address operand.
12367 * pa.c (call_operand_address): Check for the correct mode.
12369 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12371 * loop.c: Include "basic-block.h".
12372 (try_copy_prop, replace_loop_reg): New functions.
12373 (load_mems): Detect registers that just hold copies of the hoisted
12374 mem, and call try_copy_prop to eliminate them.
12375 * Makefile.in (loop.o): Update dependencies.
12377 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12379 * Makefile.in (gencheck.o): Depend on gencheck.h.
12380 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12381 (insn-peep.o): Depend on except.h and function.h.
12382 (insn-attrtab.o): Depend on RECOG_H.
12383 (insn-output.o): Depend on toplev.h and flags.h.
12384 (gengenrtl.o): Depend on real.h.
12385 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12386 Unify all dependencies to be on RECOG_H rather than recog.h.
12388 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12390 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12391 * configure.in: Try building a bi-arch 32/64-bit compiler on
12392 sparc-*-solaris2.7 and higher.
12393 * configure: Rebuild.
12395 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12397 * config/freebsd.h: New, FreeBSD architecture independent file.
12398 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12399 independent pieces.
12400 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12401 directly by i386/freebsd.h.
12402 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12403 independent configuration file.
12404 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12405 directly by i386/freebsd.h.
12406 * configure: Rebuilt.
12408 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12409 which is in the user's namespace.
12410 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12411 `i386' which is not in our namespace.
12413 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12415 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12417 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12419 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12420 (add_dwarf_attr, add_child_die): Just push onto the front.
12421 (reverse_die_lists): New fn.
12422 (add_sibling_attributes): Use it.
12423 (push_decl_scope): Reorganize.
12424 (add_name_and_src_coords_attributes): Don't set file and line for
12425 an artificial decl.
12426 (gen_subprogram_die): An artificial function doesn't need to match
12428 (gen_compile_unit_die): Return the generated die. Only add
12429 AT_comp_dir if the filename is relative.
12430 (remove_AT): Simplify loop. Also free string values.
12431 (output_die): A DIE ref can't be null.
12432 (output_value_format, value_format): Take a dw_attr_ref.
12433 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12434 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12435 AT_addr, AT_lbl): New fns.
12436 (various): Use them.
12437 (various): Constify.
12439 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12441 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12442 take SUBREG_WORD into account.
12443 (if_then_else_cond): Likewise.
12445 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12447 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12448 clause from BSD license, pursuant with
12450 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12452 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12454 * loop.c (load_mems): Reformat slightly.
12455 * basic-block.h (regset_head): New typedef.
12456 (INIT_REG_SET): New macro.
12458 1999-11-22 Bruce Korb <autogen@linuxbox.com
12460 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12461 (mips-dec-bsd*): non-functional code
12462 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12464 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12465 added three replacement fixes
12466 (no_double_slash): removed comments that are not (any longer) pertinent
12467 (bad_lval): this fix currently runs against many files.
12468 The comment seems to indicate that we should select for files
12469 containing 'pragma extern_prefix'.
12471 * fixinc/fixinc.x86-linux-gnu: deleted
12472 * fixinc/inclhack.sh: regen
12473 * fixinc/fixincl.x: regen
12474 * fixinc/fixincl.sh: regen
12476 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12478 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12479 its code is INSN and it has no notes.
12481 1999-11-22 Andrew Haley <aph@cygnus.com>
12483 * varasm.c (function_defined): Remove.
12484 (make_function_rtl): Don't set function_defined.
12485 (make_decl_rtl): Remove global register warning.
12486 * regclass.c (no_global_reg_vars): New variable.
12487 (globalize_reg): Warn if function has already been defined.
12488 (regclass_init): Set no_global_reg_vars.
12490 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12492 * regclass.c (reg_pref): New structure and static variable
12493 (prefclass): Delete.
12494 (altclass): Delete.
12495 (all uses of prefclass and altclass): Use reg_pref instead.
12497 1999-11-21 Nick Clifton <nickc@cygnus.com>
12499 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12501 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12502 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12503 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12505 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12507 * varasm.c (output_constructor): Solve problem with long long
12508 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12510 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12512 * global.c (allocno): New structure and static variable.
12513 (allocno_reg): Remove, all references replaced by allocno.
12514 (allocno_size): Likewise.
12515 (hard_reg_conflicts): Likewise.
12516 (hard_reg_preferences): Likewise.
12517 (hard_reg_copy_preferences): Likewise.
12518 (hard_reg_full_preferences): Likewise.
12519 (regs_someone_prefers): Likewise.
12520 (allocno_calls_crossed): Likewise.
12521 (allocno_n_refs): Likewise.
12522 (allocno_live_length): Likewise.
12523 (find_reg): Rename ALLOCNO to NUM.
12525 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12526 references updated.
12527 (may_move_out_cost): New variable.
12528 (init_reg_sets_1): Initialize may_move_out_cost.
12529 (record_reg_classes): Use may_move_out_cost.
12531 * regclass.c (dump_regclass): New function.
12532 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12533 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12534 pass rtl_dump_file to regclass.
12535 * rtl.h (regclass): Update prototype.
12537 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12539 * i386.md (neg, not and abs patterns): Revmap to use
12540 ix86_expand_unary_operator and ix86_unary_operator_ok.
12541 (add?f and sub?f expanders): Force operand 1 to register.
12542 * i386.c (ix86_expand_unary_operator): Rewrite.
12543 (ix86_unary_operator_ok): Ensure that memory operands
12545 (ix86_binary_operator_ok): Do not allow operand 1 to
12546 come into memory and operand 0 not.
12547 (ix86_expand_binary_operator): Ensure that
12548 src1 is not non-matching memory.
12550 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12551 to support integer registers and memory.
12552 (abss?2_integer): Likewise.
12554 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12555 (REG_CLASS_NAMES): Likewise.
12556 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12558 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12559 (movsf): Likewise; unify 4th and 5th alternative.
12560 (pushdf): Likewise.
12561 (movdf_1): Likewise; rename to movdf_integer.
12562 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12563 remove redundant splitter.
12564 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12565 (movdf_nointeger): New.
12566 (movxf_nointeger): New.
12567 (pushxf_nointeger): New.
12569 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12570 memory operands in patterns.
12571 (fop*): Refuse two memory operands.
12573 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12574 on !TARGET_USE_CLTD CPUs.
12576 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12578 * extend.texi: Document C++ restricted pointers and references.
12580 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12582 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12583 (invalidate_skipped_set): Call it unconditionally.
12584 (cse_set_around_loop): Likewise.
12586 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12588 * rtl.texi (mem): Add documentation for alias-set argument
12591 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12593 * i386.h (struct_processor_costs): New fields int_load, int_store,
12594 fp_move, fp_load and fp_store
12595 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12597 (MEMORY_MOVE_COST): New macro.
12598 * i386.c (386_cost): Define new fields.
12599 (i486_cost): Likewise.
12600 (pentium_cost): Likewise.
12601 (pentiumpro_cost): Likewise.
12602 (k6_cost): Likewise.
12604 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12605 Geoffrey Keating <geoffk@cygnus.com>
12607 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12609 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12612 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12613 (TARGET_STRICT_ALIGNMENT): New macro.
12614 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12615 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12616 * invoke.texi (M680x0 Options): Document -mstrict-align.
12618 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12619 Richard Henderson <rth@cygnus.com>
12621 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12622 (ix86_split_long_move): Declare.
12623 * i386.c (split_xf, ix86_split_movdi): Remove.
12624 (ix86_split_to_parts, ix86_split_long_move): New.
12625 * i386.md (dimode move splitters): Use ix86_split_long_move.
12626 (dfmode move splitters): Likewise.
12627 (xfmode move splitters): Likewise.
12628 (movsf_1): Allow F->r.
12629 (movdf_1, movxf_1): Allow F->ro.
12631 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12633 * except.h (struct eh_entry): Add goto_entry_p.
12634 (eh_region_from_symbol): Remove prototype.
12635 * except.c (find_func_region_from_symbol): New function.
12636 (emit_cleanup_handler): Likewise.
12637 (eh_region_from_symbol): Make it static.
12638 (add_new_handler): Verify the argument.
12639 (find_func_region): Update comment.
12640 (expand_eh_region_end): Expand handlers here, rater than waiting
12641 until expand_leftover_cleanups or start_all_catch.
12642 (expand_leftover_cleanups): Don't expand here.
12643 (expand_start_all_catch): Or here.
12644 (expand_rethrow): Check the return value from find_func_region.
12645 * function.c (expand_function_end): Emit the catch_clauses.
12647 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12649 * integrate.c (expand_inline_function): Add necessary check for NULL.
12651 1999-11-18 Nick Clifton <nickc@cygnus.com>
12653 * toplev.c (main): Correctly detect an unrecognised option.
12655 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12656 a -f option if it has not been recognised.
12658 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12660 * basic-block.h (update_life_extent): Remove trailing comma on
12661 enumeration type list.
12663 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12665 * varasm.c (output_constructor) Solved problem with long long
12666 bitfields. Corrected calculating this_time and shift. Also
12667 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12669 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12671 * flow.c (split_edge): Take looping structure into account when
12672 determining where to put the new block note.
12674 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12676 * Makefile.in (ggc-none.o): Provide host specific version if
12679 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12681 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12682 containing subregs too.
12684 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12686 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12687 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12688 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12689 (text_section): Add switches -munint-const-in-rodata and
12690 -mno-uninit-const-in-rodata.
12691 (ASM_OUTPUT_COMMON): Remove.
12692 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12693 const objects should be placed in read-only data. Otherwise declare
12696 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12698 * jump.c (jump_optimize_1): Revert last change.
12700 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12702 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12703 test if optimizing for size.
12705 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12707 * Makefile.in (toplev.o): Depend on except.h.
12708 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12710 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12712 * i386.md (divmodsi4): Rewrite to expander.
12713 (*divmodsi4_nocltd): New.
12714 (*divmodsi4_cltd): New.
12715 (divmodsi4 splitter): Handle the case when input comes in edx.
12716 (udivmodhi4): Do not use constraints in exander.
12717 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12719 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12721 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12722 for the common case.
12724 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12726 * explow.c (hard_function_value): Add outgoing argument.
12727 * expr.h (hard_function_value): Declare it.
12728 * calls.c (expand_call, emit_library_call_value): Update callers.
12729 * function.c (aggregate_value_p): Ditto.
12730 (diddle_return_value): Must look at the outgoing registers
12731 on archs with register windows.
12733 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12735 * alpha.c (alpha_build_va_list): Use make_lang_type and
12736 initialize TYPE_NAME for the va_list record.
12738 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12740 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12742 * ggc.h (struct ggc_statistics): Rearrange elements for better
12743 packing on 64-bit hosts.
12744 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12745 (compute_nearerout): Likewise.
12747 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12749 * config/rs6000/rs6000.c (first_reg_to_save): Save
12750 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12752 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12754 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12755 notion of nesting to find the DIE for a type or function.
12756 DIEs can go in limbo even if we got a context_die.
12757 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12758 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12760 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12761 (gen_type_die): Writing out the context doesn't cause member class
12762 template instantiations to be written out as well.
12764 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12766 * rs6000.h (ASM_OUTPUT_DEF): New.
12767 Based on proposed addition from David Edelsohn.
12769 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12770 Bruce Korb <autogen@linuxbox.com>
12772 * fixinc/inclhack.def
12773 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12774 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12776 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12777 (svr4_endian): enabled with SVR5
12778 (svr4_mkdev): simplified syntax and enabled with SVR5
12780 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12782 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12783 * configure: Rebuilt.
12784 * config/t-freebsd-thread: New file.
12786 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12788 * i386.c (ix86_decompose_address): Verify the base is a REG
12789 before trying to examine its register number.
12791 * basic-block.h: Remove all #defines and prototypes related to
12793 (free_bb_mem, compute_preds_succs): Remove prototype.
12794 * rtl.h (free_bb_mem): Remove prototype.
12795 * flow.c (alloc_int_list_node); Remove function.
12796 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12797 (compute_preds_succs, free_bb_mem): Likewise.
12798 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12799 * toplev.c (rest_of_compilation): Likewise.
12800 * haifa-sched.c (build_control_flow): Use flow generated edge
12801 list to build the haifa specific edge list.
12802 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12803 (schedule_insns): Do not build pred/succ lists anymore. Instead
12804 build the edge table.
12806 * basic-block.h (dump_bb_data): Remove declaration.
12807 * flow.c (dump_bb_data): Remove function.
12808 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12809 (sbitmap_union_of_predsucc): Likewise.
12811 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12812 argument. All callers changed.
12813 (delete_null_pointer_checks_1): No longer need to compute the
12816 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12817 All callers changed.
12818 (pre_expr_reaches_here_p_work): Likewise.
12819 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12820 * lcm.c (compute_laterin): Fix initialization of LATER.
12821 (compute_nearerout): Similarly for NEARER.
12823 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12825 * cse.c (set_nonvarying_address_components): Delete unused function.
12826 (refers_to_p): Likewise.
12828 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12830 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12833 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12835 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12836 definition in do while (0).
12838 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12840 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12842 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12844 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12846 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12848 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12849 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12850 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12851 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12853 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12854 saved on the stack. Output more accurate stack frame statistics
12855 into assembler file.
12857 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12859 * genextract.c (record_insn_name): New function.
12860 (get_insn_name): No longer a stub.
12861 (main): Call record_insn_name for each insn. After each label
12862 written, print the insn name in a comment.
12864 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12866 * output.h (const_section, init_section, fini_section): Add
12869 * alpha/elf.h (const_section): Delete declaration.
12871 * svr4.h (const_section): Likewise.
12873 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12875 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12876 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12877 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12879 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12880 variable-sized array bounds.
12882 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12884 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
12887 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12889 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
12890 addresses the same way GO_IF_LEGITIMATE_INDEX does.
12892 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12894 * cse.c (hash_arg_in_struct): Delete.
12895 (struct table_elt): Delete elt in_struct.
12896 (struct set): Delete elt src_in_struct.
12897 (merge_equiv_classes): Don't set either hash_arg_in_struct or
12898 the corresponding in_struct elts.
12899 (canon_hash): Likewise.
12900 (safe_hash): Likewise.
12901 (find_best_addr): Likewise.
12902 (record_jump_cond): Likewise.
12903 (cse_insn): Likewise.
12905 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
12907 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
12909 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
12912 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
12914 * function.c (diddle_return_value): Put back check that the DECL_RTL
12915 for the function is a register.
12917 * function.c (diddle_return_value): Use hard_function_value to
12918 get an rtx suitable for use in the USE/CLOBBER insn.
12920 * global.c (global_conflicts): Update comments.
12921 (record_conflicts): No need to record conflicts between pseudos here.
12923 1999-11-11 Bruce Korb <autogen@linuxbox.com>
12925 * fixinc/fixincl.c: Added verbose levels for status messages
12927 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12929 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
12930 operand as argument to expand_and or expand_binop.
12932 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
12934 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
12935 gcc_add_string_root.
12937 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
12939 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
12941 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
12943 * flow.c (compute_flow_dominators): Initially put all blocks on
12945 * lcm.c (compute_antinout_edge, compute_available): Similarly.
12946 * gcse.c (compute_cprop_avinout): Remove.
12947 (compute_cprop_data): Use compute_available.
12948 (delete_null_pointer_checks_1): Use compute_available.
12950 * basic-block.h (compute_available): Returns a void now.
12951 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
12952 to return a value anymore.
12953 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
12954 worklists. Fix boundary cases. Compute maximal solutions.
12955 (compute_laterin, compute_nearerout): Similarly.
12957 * dwarf2out.c (add_AT_location_description): Allow
12958 (mem (plus (pseudo) (...)) too.
12960 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
12962 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
12964 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
12965 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12967 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
12969 * gansidecl.h: Likewise.
12975 * toplev.h: Likewise.
12977 * tree.c: Likewise.
12979 * tree.h: Likewise.
12981 * varray.c: Likewise.
12983 * varray.h: Likewise.
12985 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
12987 * gcov.c (struct arcdata): Add hits and total, remove prob.
12988 (output_branch_counts): New.
12989 (process_args): Set output_branch_counts if -c.
12990 (calculate_branch_probs): Store hits and total instead of
12992 (output_data): Emit counts if output_branch_counts is true.
12993 * gcov.texi (Invoking Gcov): Document -c switch..
12995 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
12997 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
12998 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
13000 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
13002 * invoke.texi (C Dialect Options): Add missing builtins from
13003 c-common.c to list.
13004 * extend.texi (Other Builtins): Copy to this list.
13006 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13008 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
13009 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
13010 redundant bitmap.h.
13012 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
13014 * flow.c (compute_flow_dominators): No longer treat basic block 0
13015 or (n_basic_blocks - 1) specially. Clear the AUX field before
13016 starting computation of doms/pdoms. Fix initial state for pdoms.
13018 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13020 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
13021 match rtl.o's: added ggc.h and toplev.h
13022 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
13023 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
13024 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
13026 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
13028 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
13029 from HAVE_DOS_BASED_FILESYSTEM.
13030 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
13031 HAVE_DOS_BASED_FILESYSTEM.
13033 (split_directories): Only special-case DOS file names if
13034 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
13035 instead of explicit tests. Conditionalize on !VMS.
13036 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
13037 tests. Conditionalize on !VMS.
13038 (process_command): Only use make_relative_prefix if !VMS.
13039 (free_split_directories): Conditionalize on !VMS.
13040 (DIR_UP): Conditionalize on !VMS.
13042 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
13044 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
13046 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
13048 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
13051 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
13053 * invoke.texi (Environment Variables): Document relative path
13055 * gcc.c (DIR_UP): If not defined, define as "..".
13056 (standard_bindir_prefix): New static, holds target location to
13058 (split_directories): New function to split a filename into
13059 component directories.
13060 (free_split_directories): New function, release memory allocated
13061 by split_directories.
13062 (make_relative_prefix): New function, make a relative pathname if
13063 the compiler is not in the expected location.
13064 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
13065 can figure out an appropriate prefix from argv[0].
13066 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
13067 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
13068 STANDARD_BINDIR_PREFIX.
13070 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13072 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
13074 * config/c4x/c4x.h: Moved prototypes to c4x.h.
13075 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
13076 c4x_secondary_memory_needed) Delete.
13077 (fp_zero_operand): Add mode argument.
13079 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
13081 * reload1.c (reload_reg_free_for_value_p): Don't use a register
13082 that is in reload_reg_used.
13084 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
13086 * config/arm/arm-protos.h: New file: Prototypes for functions
13087 defined in arm.c and pe.c.
13088 * config/arm/arm.h: Fix compile time warnings.
13089 * config/arm/arm.c: Fix compile time warnings.
13090 * config/arm/pe.h: Fix compile time warnings.
13091 * config/arm/aout.h: Fix compile time warnings.
13093 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
13095 * config/m32r/m32r-protos.h: New file: Prototypes for functions
13098 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
13099 Add support for subtargets.
13100 Add prototypes for new predicates.
13101 Add scheduling macros.
13103 * config/m32r/m32r.c: Fix compile time warnings.
13104 (int8_operand): New predicate function.
13105 (reg_or_cmp_int16_operand): New predicate function.
13106 (extend_operand): New predicate function.
13107 (m32r_adjust_code): New scheduling function.
13108 (m32r_adjust_priorty): New scheduling function.
13109 (m32r_sched_init): New scheduling function.
13110 (m32r_sched_reorder): New scheduling function.
13111 (m32r_sched_variable_issue): New scheduling function.
13112 (direct_return): New codegen function.
13113 (m32r_not_same_reg): New rtl testsing function.
13115 * config/m32r/m32r.md: Fix compile time warnings.
13116 Add support for pre decrement and post increment memory
13118 Add S<cc> patterns.
13121 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13123 * global.c (EXECUTE_IF_CONFLICT): Don't define.
13124 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
13125 (find_reg): Likewise.
13127 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
13129 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
13130 to avoid assembler errors.
13132 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13134 * config/v850/v850-protos.h: New file: Prototypes for functions
13136 * config/v850/v850.h: Move prototypes to v850-protos.h
13137 * config/v850/v850.c: Move prototypes to v850-protos.h
13138 * config/v850/v850.md: Fix compile time warnings.
13140 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13142 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13143 * config/fr30/fr30.c: Fix compile time warnings.
13144 * config/fr30/fr30.md: Fix compile time warnings.
13146 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13148 * tree.h (get_containing_scope): Declare it.
13149 * tree.c (get_containing_scope): New fucntion.
13150 (decl_function_context): Use it.
13151 * toplev.c (rest_of_compilation): Use get_containing_scope.
13153 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13155 * Makefile.in (rtl.o): Depend on toplev.h.
13157 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13159 * cse.c (delete_trivially_dead_insns): Replace alloca with
13161 * except.c (update_rethrow_references): Likewise.
13162 (init_eh_nesting_info): Likewise.
13163 * function.c (identify_blocks): Likewise.
13164 * gcse.c (dump_hash_table): Likewise.
13165 * graph.c (print_rtl_graph_with_bb): Likewise.
13166 * loop.c (combine_movables): Likewise.
13167 (move_movables): Likewise.
13168 (count_loop_regs_set): Likewise.
13169 (strength_reduce): Likewise.
13170 * profile.c (compute_branch_probabilities): New function, split
13172 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13173 * regclass.c (regclass): Likewise.
13174 * regmove.c (regmove_optimize): Likewise.
13175 * toplev.c (compile_file): Likewise.
13176 (main): Don't mess with the stack rlimit.
13178 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13180 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13181 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13183 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13185 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13187 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13189 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13190 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13193 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13195 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13197 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13199 * gcse.c (post_dominators): Kill.
13200 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13201 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13202 pass in a pdom array since we do not need pdoms.
13203 * haifa-sched.c (schedule_insns): Similarly.
13204 * flow.c (compute_dominators): Remove dead function.
13205 (compute_flow_dominators): Do not compute doms or pdoms if the
13206 caller does not request them. Split up loop to build doms and
13207 pdoms. Use a worklist to compute doms and pdoms.
13208 * basic-block.h (compute_dominators): Remove prototype.
13210 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13212 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13213 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13214 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13215 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13216 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13217 (schedule_region): Remove unused variable.
13218 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13220 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13222 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13223 (update_equiv_regs): Likewise.
13224 (block_alloc): Likewise.
13225 * reg-stack.c (reg_to_stack): Likewise.
13226 (convert_regs_2): Likewise.
13227 * reload1.c (reload_as_needed): Likewise.
13229 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13231 * Makefile.in (dbxout.o): Depend on ggc.h.
13232 (dwarf2out.o): Likewise.
13233 (xcoffout.o): Likewise.
13234 * dbxout.c: Include ggc.h.
13235 (dbxout_init): Register lastfile as a root.
13236 * dwarf2out.c: Include ggc.h.
13237 (dwarf2out_line): Register lastfile as a root.
13238 * xcoffout.c: Include ggc.h.
13239 (xcoffout_source_line): Register xcoff_lastfile as a root.
13241 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13243 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13245 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13247 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13249 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13251 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13253 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13254 (EXECUTE_IF_CONFLICT): Likewise.
13255 (ALLOCNO_LIVE_P): Avoid signed division.
13256 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13257 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13258 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13260 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13262 * haifa-sched.c (schedule_block): Don't crash if there's no
13263 next insn for an interblock movement.
13264 (add_branch_dependences): Don't allow clobber insns to move either.
13266 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13268 * i386.c (split_xf): New.
13269 * i386-protos.h: Declare it.
13270 * i386.md (movxf_1): Add general regs alternatives.
13271 (movxf_1+1): New splitter for same.
13273 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13275 * function.c (purge_addressof_1): Add missing return values.
13277 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13279 * function.c (is_addressof): New function. Returns true if
13280 the given piece of RTL is an ADDRESSOF.
13281 (purge_addressof_1): Make boolean. Return false if the
13282 ADDRESSOFs could not be purged.
13283 (purge_addressof): If ADDRESSOFs could not be purged from the
13284 notes attached to an insn, remove the offending note(s),
13285 unless they are attached to a libcall.
13287 1999-11-05 Andreas Jaeger <aj@suse.de>
13289 * genoutput.c (null_operand =): Initialize all fields.
13291 * errors.h: Add extern to prototypes.
13293 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13295 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13296 * configure: Rebuilt.
13298 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13300 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13301 (mirror_conflicts): New function.
13302 (global_alloc): Call it.
13303 (expand_preferences): Remove redundant CONFLICTP test.
13304 (find_reg, dump_conflicts): Likewise.
13305 (prune_preferences): Process conflicts one word at a time.
13307 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13309 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13310 instead of an explicit loop.
13312 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13314 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13315 if REG_RETVAL check succeeds, then put classp in src_elt.
13317 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13319 * function.c (pad_to_arg_alignment): Only update argument_pad
13320 if the argument's alignment is greater than STACK_BOUNDARY.
13322 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13324 * bitmap.h (BITMAP_XFREE): New.
13325 * flow.c (life_analysis): Use it.
13326 (life_analysis_1): Free blocks.
13328 * combine.c (undo_commit): New.
13329 (try_combine): Use it. Don't zap undobuf.undos.
13330 (combine_instructions): Don't zap undobuf.undos; free the
13331 undobuf.frees list.
13333 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13335 * stmt.c (cost_table_): New.
13336 (estimate_case_costs): Use it instead of xmalloc.
13338 * toplev.c (compile_file): Reuse dumpname memory instead
13341 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13343 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13344 after verifying an EH edge.
13346 * haifa-sched.c (init_rgn_data_dependences): Correctly
13347 size bb_pending_lists_length when zeroing.
13349 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13351 * function.c (diddle_return_value): New.
13352 (expand_function_end): Use it.
13353 * stmt.c (expand_null_return): Likewise.
13354 (expand_value_return): Likewise.
13356 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13358 * reload1.c (reload): Don't remove return value clobbers.
13360 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13362 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13364 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13366 * cse.c (cse_main): Use xmalloc, not alloca.
13367 (cse_basic_block): Likewise.
13368 * local-alloc.c (local_alloc): Likewise.
13370 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13371 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13373 * rtl.c: Include toplev.h.
13374 (fatal): Remove declaration.
13376 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13378 * haifa-sched.c (schedule_block): Fix thinko.
13380 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13382 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13383 S_IR* defined values
13385 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13387 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13388 call `malloc' instead.
13390 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13392 * flags.h (flag_renumber_insns): Declare.
13393 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13395 * rtl.h (renumber_insns): Change prototype.
13396 * toplev.c (flag_renumber_insns): Define.
13397 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13399 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13401 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13402 and fpsqrtd. Use them and create fdiv function unit to more
13403 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13404 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13406 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13408 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13410 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13411 insn into ready list, do not use just a raw swap.
13413 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13415 * rtl.h (renumber_insns): New function.
13416 (remove_unnecessary_notes): Likewise.
13417 * emit-rtl.c (renumber_insns): Define.
13418 (remove_unncessary_notes): Likewise.
13419 * toplev.c (rest_of_compilation): Remove dead code.
13420 Use renumber_insns and remove_unncessary_notes.
13422 * gcse.c (struct null_pointer_info): New type.
13423 (get_bitmap_width): New function.
13424 (current_block): Remove.
13425 (nonnull_local): Likewise.
13426 (nonnull_killed): Likewise.
13427 (invalidate_nonnull_info): Take a null_pointer_info as input.
13428 (delete_null_pointer_checks_1): New function.
13429 (delete_null_pointer_checks): Use it.
13431 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13432 (split_edges): Likewise.
13433 (schedule_block): Likewise.
13434 (compute_block_backward_dependencies): Likewise.
13435 (schedule_region): Likewise.
13436 (schedule_insns): Likewise.
13438 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13440 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13441 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13442 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13443 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13444 * jump.c (delete_unreferenced_labels): Don't delete if
13445 LABEL_ALTERNATE_NAME is set.
13446 * print-rtl.c (print_rtx): Dump alternate name.
13447 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13448 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13449 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13450 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13452 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13454 * fix-header.c (recognized_extern, recognized_function): Constify
13457 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13458 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13459 (compute_available): Remove unused variable `last'.
13460 (compute_nearerout): Remove unused variable `temp_bitmap'.
13461 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13462 Remove unused variable `x'.
13464 * scan.h (recognized_function, recognized_extern): Constify a
13467 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13469 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13471 * varasm.c (decode_rtx_const): Use XSTR to access the string
13474 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13476 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13478 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13480 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13482 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13484 * pa.c (ireg_operand): New function.
13485 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13486 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13487 Fix out of date comment.
13489 * pa.md (negdi2): Turn into expander + anonymous pattern.
13491 * reload.c (find_reloads): Fix typos in recent change.
13493 * dwarf2out.c: Do not include ctype.h.
13495 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13497 * regclass.c (record_reg_classes): Always use may_move_cost when
13498 seeing how operand fits with various register classes.
13500 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13502 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13503 * toplev.c: Revert Nov 1 13:22 change.
13505 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13507 * config/pa/pa.md (height reduction patterns): Add checks for
13508 overlapping operands to avoid semantic-destroying splits for
13509 height reduction patterns.
13511 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13513 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13514 have been an hyphen, fixed.
13515 * configure: Rebuilt.
13517 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13519 * config/arm/tpe.h: Add prototypes for exported functions.
13520 * config/arm/pe.c: Fix compile time warnings.
13521 * config/arm/semi.h: Fix compile time warnings.
13522 * config/arm/arm.c: Fix compile time warnings.
13523 * config/arm/arm.h: Fix compile time warnings.
13524 * config/arm/arm.md: Fix compile time warnings.
13525 * config/arm/thumb.c: Fix compile time warnings.
13526 * config/arm/thumb.h: Fix compile time warnings.
13527 * config/arm/thumb.md: Fix compile time warnings.
13529 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13531 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13534 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13535 completely unrolled.
13537 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13539 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13541 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13543 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13544 * rtl.h (rtx_equal_p): Move prototype.
13545 * rtl.c (rtx_equal_function_value_matters): Move from
13547 (rtx_equal_p): Likewise.
13548 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13549 (rtx_equal_p): Likewise.
13551 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13553 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13554 ! HAS_INIT_SECTION.
13556 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13558 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13560 * pa.h (ADDR_VEC_ALIGN): Define.
13562 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13563 notes when presented with "if (foo) break; end_of_loop" and
13564 the break sequence gets moved out of the loop.
13566 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13567 Remove explicit zero initializations of entries within MAP.
13569 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13571 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13573 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13575 * bitmap.h (BITMAP_XMALLOC): New macro.
13576 * flow.c (CLEAN_ALLOCA): Remove.
13577 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13578 (life_analysis): Likewise.
13579 (update_life_info): Don't use CLEAN_ALLOCA.
13580 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13581 (calculate_global_regs_live): Likewise.
13582 (print_rtl_with_bb): Likewise.
13583 (verify_flow_info): Likewise.
13584 * global.c (global_alloc): Likewise.
13585 (global_conflicts): Likewise.
13586 * integrate.c (save_for_inline_nocopy): Likewise.
13587 (expand_inline_function): Likewise.
13588 * jump.c (jump_optimize_1): Likewise.
13589 (duplicate_loop_exit_test): Likewise.
13590 (thread_jumps): Likewise.
13591 * loop.c (loop_optimize): Likewise.
13592 (combine_givs): Likewise.
13593 (recombine_givs): Likewise.
13594 * reorg.c (dbr_schedule): Likewise.
13595 * unroll.c (unroll_loop): Likewise.
13597 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13599 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13601 * toplev.c (rest_of_compilation): Don't optimize the CFG
13602 when rebuilding, just before dbr.
13604 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13606 * output.h (assemble_end_function, assemble_destructor,
13607 assemble_constructor, assemble_gc_entry, assemble_global,
13608 assemble_label, output_constant_pool) Constify a char*.
13610 * varasm.c (assemble_destructor, assemble_constructor,
13611 assemble_gc_entry, assemble_end_function, assemble_global,
13612 assemble_label, output_constant_pool): Likewise.
13614 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13616 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13617 explaining what is goin on in this function.
13619 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13621 * regclass.c (record_reg_classes): In matching case, recompute
13622 costs since the direction of movement is different.
13624 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13626 * resource.c (mark_target_live_regs): For unconditional branches,
13627 the resources found at the branch target should be added to the
13628 resources found so far, not intersected.
13630 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13632 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13634 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13635 (sys/mman.h): Include this file only if #HAVE_MMAP.
13636 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13637 with automatically concatenated ANSI strings.
13639 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13641 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13642 (DIV_ROUND_UP): Robustify.
13643 (ggc_recalculate_in_use_p): New function.
13644 (release_pages): Don't inline it.
13645 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13647 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13648 (clear_marks): Always save in_use_p.
13649 (sweep_pages): Use ggc_recalculate_in_use_p.
13650 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13651 Release pages before counting statistics.
13653 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13655 * toplev.c (rest_of_compilation): Fix thinko in this change:
13657 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13659 (rest_of_compilation): If inside an inlined external function,
13660 pretend we are just being declared.
13662 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13664 * flow.c (calculate_global_regs_live): Fix thinko.
13666 * integrate.c (expand_inline_function): Fix bugs in previous
13667 change from Oct 28, 1999.
13669 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13671 * stmt.c (expand_value_return): Fix typo in this change:
13673 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13674 (expand_value_return): Correctly convert VAL when promoting function
13675 return; support RETURN_REG being a PARALLEL.
13677 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13679 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13681 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13683 * hard-reg-set.h (reg_names): Constify a char*.
13685 * regclass.c (reg_names): Likewise.
13687 * regs.h (reg_names): Likewise
13689 * a29k/a29k.c (reg_names): Delete declaration.
13691 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13693 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13694 arc_output_function_epilogue): Likewise.
13696 * elxsi/elxsi.c (reg_names): Likewise.
13698 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13700 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13703 * m88k/m88k.c (output_function_profiler): Likewise.
13705 * sparc/sparc.c (sparc_flat_output_function_prologue,
13706 sparc_flat_output_function_epilogue): Likewise.
13708 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13710 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13711 warning from -Wuninitialized and put it under -W.
13712 * function.c (uninitialized_vars_warning): Warn only when the
13713 corresponding flag is set.
13715 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13717 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13718 is nonzero and the single set does not have an elt, then assign
13721 * simplify-rtx.c: New file.
13722 * Makefile.in (OBJS): Add simplify-rtx.o
13723 (simplify-rtx.o): Add dependencies.
13724 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13725 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13726 (cse_gen_binary, simplify_unary_operation): Delete.
13727 (simplify_binary_operation, simplify_plus_minus): Likewise.
13728 (check_fold_consts, simplify_relation_operation): Likewise.
13729 (simplify_ternary_operation): Likewise.
13730 (delete_trivially_dead_insns): Simplify the contents of the
13731 REG_EQUAL note before trying to substitute it into the source
13732 of the reg-reg copy at the end of a libcall sequence.
13734 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13735 references/callers changed.
13737 * mn10200.c (mn10200_va_arg): Force the return value into a
13740 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13742 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13745 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13747 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13749 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13751 * fold-const.c (fold): Fix thinko when optimizing comparisons
13754 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13756 * gcc.texi (Passes): Update front-end files to their current
13759 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13761 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13762 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13763 (PREDICATE_CODES): Add addition_operation.
13764 * alpha-protos.h (addition_operation): Declare.
13765 (secondary_reload_class): Likewise.
13766 * alpha.c (addition_operation): New.
13767 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13768 * alpha.md (adddi3): Turn into expander.
13769 (*lda, *adddi_2): New.
13770 (movsf, movdf patterns): Don't preference integer regs.
13771 (movsi, movdi patterns): Don't preference fp regs.
13773 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13775 * genrecog.c (write_switch): Check for duplicate CODE cases.
13777 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13779 * ggc-common.c: Update pre-function commentary.
13780 * ggc-page.c: Likewise.
13782 (poison_pages): Use memset directly.
13783 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13784 (ggc_collect): Poison before sweeping.
13785 * ggc-simple.c: Update pre-function commentary.
13786 (ggc_alloc_obj): Poison non-zeroed memory.
13788 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13790 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13791 match format string, even on 64-bit hosts.
13792 * gcc-page.c (ggc_page_print_statistics): Likewise.
13794 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13796 * config/i386/i386.c (ix86_cpu): Revert last patch.
13797 * config/i386/i386.h (ix86_cpu): Ditto.
13799 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13801 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13802 TYPE_SIZE, convert type of result to sizetype.
13804 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13806 * flow.c (count_or_remove_death_notes): Equate NULL with the
13809 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13810 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13813 * i386.c (pic_label_no): Delete.
13814 (ix86_attr_length_default): Don't use single_set to peek
13817 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13818 the first insn after bb->end.
13819 * i386.md (push mem peeps): Scratch is live after evaluation
13821 (cmp mem peep): Similarly.
13823 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13825 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13826 * function.c (pad_to_arg_alignment): Add missing braces.
13828 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13830 * alpha/alpha-protos.h (literal_section): Add prototype.
13831 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13834 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13836 (alpha_start_function, alpha_end_function, float_strings,
13837 alpha_need_linkage): Constify a char*
13839 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13841 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13843 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13845 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13847 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13849 * flow.c (debug_flow_info): Add prototype.
13851 * gcc.c (main): Likewise.
13853 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13856 * reload1.c (failed_reload, set_reload_reg): Likewise.
13858 * mips-tfile.c (main): Likewise.
13859 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13860 with ATTRIBUTE_NORETURN.
13862 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13864 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13865 DECL is not a memory ref.
13867 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13869 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13870 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13872 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13874 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13875 * config/mips/elf64.h: ditto.
13877 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13879 * expr.c (emit_push_insn): New argument alignment_pad.
13880 Update all callers. Adjust stack pointer based on alignment pad.
13881 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13882 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13883 (locate_and_pad_parm): New argument alignment_pad. Update all
13885 * expr.h (emit_push_insn): Update prototype.
13886 (locate_and_pad_parm): Update prototype.
13887 * calls.c (arg_data): Add new field alignment_pad.
13888 (initialize_argument_information): Initialize alignment_pad.
13890 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
13892 * except.c (free_eh_nesting_info): Free the info itself.
13893 * function.c (free_after_compilation): Don't free NULL.
13894 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
13895 (pre_edge_insert): Free inserted.
13896 * stmt.c (free_stmt_status): Don't free NULL.
13898 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13900 * gcov.c (DIR_SEPARATOR): Provide default.
13901 (output_data): Add test for MS-DOS format absolute filename.
13902 (fancy_abort): Correct program name.
13903 (open_files): Open all files in binary mode.
13904 * libgcc2.c (__bb_exit_func): Likewise.
13906 * profile.c (init_branch_prob): Specify binary when opening files.
13908 * flags.h (flag_unwind_tables): New decl.
13909 * toplev.c (flag_unwind_table): New definition.
13910 (f_options): Add -funwind-tables.
13911 (decode_g_option): Clarify warning when unknown -g option is given.
13912 (rest_of_compilation): If inside an inlined external function,
13913 pretend we are just being declared.
13915 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
13916 (dwarf2out_frame_finish): Likewise.
13918 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
13920 * fold-const.c (merge_ranges): If not in0, but in1, handle
13921 upper bounds equal like subset case.
13923 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
13925 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
13926 passed in a register but moved to the stack.
13928 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
13930 * gcc.c (pass_exit_codes, greatest_status): New variables.
13931 (struct option_map): Add entry for "--pass-exit-codes".
13932 (execute): Update greatest_status if error.
13933 (display_help): Add documentation for -pass-exit-codes.
13934 (process_command): Handle -pass-exit-codes.
13935 (main): Look at pass_exit_codes and greatest_status on call to exit.
13937 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13939 * reload.c (find_reloads): Refine test for no input reload
13940 case to not includes reloads emitted after insn.
13942 * function.c (find_temp_slots_from_address): Handle sum involving
13943 a register that points to a temp slot.
13944 (update_temp_slot_address): Make recursive call if both old and
13945 new are PLUS with a common operand.
13946 * calls.c (expand_call): Mark temp slot for result as having
13949 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
13951 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
13952 component as well as "BINUTILS".
13954 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
13955 * integrate.c (copy_rtx_and_substitute): Likewise.
13956 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
13957 All callers changed.
13958 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
13960 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
13961 gdb extensions, write size of type; also be more consistent
13962 in using references when this is a subtype.
13964 * pa.md (extv, extzv, insv): Use define_expand to reject constant
13965 that is out of range.
13967 * loop.c (unknown_constant_address_altered): New variable.
13968 (prescan_loop): Initialize it.
13969 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
13970 (invariant_p, case MEM): Remove handling for volatile and readonly;
13971 check new variable if readonly.
13972 (check_dbra_loop): Chdeck unknown_constant_address_altered.
13974 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
13975 (addr_affects_sp_p): Removed from note_mem_written and only
13976 define #ifdef AUTO_INC_DEC.
13978 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
13980 * regclass.c (record_reg_classes): Properly handle register move
13983 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
13984 Don't think valid if both operands are invalid.
13985 (struct constant_descriptor): New field RTL.
13986 (mark_const_hash_entry): Mark it.
13987 (record_constant{,_rtx}): Initialize it.
13988 (output_constant_def): Allocate RTL in permanent obstack and
13990 ({record,compare}_constant_1): Modes must match for
13991 CONSTRUCTOR of ARRAY_TYPE.
13993 * c-common.h (initializer_constant_valid_p): Delete decl from here.
13994 * output.h (initializer_constant_valid_p): Move decl to here.
13995 * c-common.c (initializer_constant_valid_p): Delete function from here.
13996 * varasm.c (initializer_constant_valid_p): Move function to here.
13998 * tree.h (STRIP_SIGN_NOPS): New macro.
13999 * fold-const.c (optimize_minmax_comparison): New function.
14000 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
14001 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
14002 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
14003 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
14004 widening conversions.
14005 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
14006 to look at size of mode, not precision of type; also add missing cases.
14007 (optimize_bit_field_compare, decode_field_reference): Don't try to
14008 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
14010 * dwarf2out.c (ctype.h): Include.
14011 (dwarf2out_set_demangle_name_func): New function.
14012 (size_of_line_info): Deleted.
14013 (output_line_info): Compute size of line info table from difference
14015 (base_type_die, add_name_attribute): Call demangle function, if any.
14016 (field_byte_offset): Use bits per word for variable length fields.
14017 (gen_array_type_die): Add array name.
14018 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
14019 (dwarf2out_add_library_unit_info): New function.
14021 * explow.c (set_stack_check_libfunc): New function.
14022 (stack_check_libfunc): New static variable.
14023 (probe_stack_range): Allow front-end to set up a libfunc to call.
14025 * combine.c (simplify_comparison): When making comparison in wider
14026 mode, check for having commuted an AND and a SUBREG.
14027 (contains_muldiv): New function.
14028 (try_combine): Call it when dividing a PARALLEL.
14029 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
14030 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
14032 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
14033 use one of the CLOBBERs instead.
14034 (if_then_else_cond): If comparing against zero, just return thing
14037 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
14038 Don't generate shifts and subtract if have conditional arithmetic.
14040 * rtl.h (delete_barrier): New declaration.
14041 * jump.c (jump_optimize): Set up to handle conditional call.
14042 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
14043 (delete_barrier): New function.
14045 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
14047 * recog.c (nonmemory_operand): Accept ADDRESSOF.
14049 * tree.c (build_type_attribute_variant): Push to obstack of
14050 ttype around type_hash_canon call.
14052 * expr.c (placeholder_list): Move decl to file scope.
14053 (expand_expr): Don't force access to volatile just because its
14055 If ignoring reference operations, just expand the operands.
14056 (expand_expr, case COMPONENT_REF): Propagate
14057 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
14058 Refine test for using bitfield operations vs pointer punning.
14059 (expand_expr, case CONVERT_EXPR): If converting to
14060 BLKmode UNION_TYPE from BLKmode, just return inner object.
14061 Use proper mode in store_field call.
14062 Properly set sizes of object to store and total size in store_field
14063 call for convert to union.
14064 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
14065 memory (like for ADDR_EXPR). Also, don't put constant in register if
14066 we'll want it in memory.
14067 (readonly_fields_p): New function.
14068 (expand_expr, case INDIRECT_REF): Call it if LHS.
14069 (expand_assignment): Handle a RESULT_DECL where
14070 DECL_RTL is a PARALLEL.
14071 (do_jump, case WITH_RECORD_EXPR): New case.
14072 (get_inner_reference): Always go inside a CONVERT_EXPR
14073 and NOP_EXPR if both modes are the same.
14074 (store_field): Use bitfield operations if size of bitsize is not same
14075 as size of RHS's type.
14076 Check for bitpos not a multiple of alignment in BLKmode case.
14077 Do block move in largest possible alignment.
14078 (store_constructor): Set BITSIZE to -1 for variable size and properly
14079 in case of array of BLKmode.
14080 (expand_expr_unaligned): New function.
14081 (do_compare_and_jump): Call it.
14083 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
14084 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
14085 does not include 'o'.
14087 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
14088 both SET_DEST and SET_SRC reference a virtual register.
14089 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
14091 * integrate.c (expand_inline_function): Handle case of setting
14092 virtual stack vars register (from built in setjmp); when parameter
14093 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
14094 (subst_constant): Add new parm, MEMONLY.
14095 (expand_inline_function, integrate_parm_decls): Pass new parm.
14096 (integrate_decl_tree): Likewise.
14097 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
14098 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
14099 (copy_rtx_and_substitute, case SET): Add explicit calls to
14100 copy_rtx_and_substitute for both sides.
14102 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
14104 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
14105 within INDEX_TYPE, instead of before.
14106 (fixup_gotos): Use f->target_rtl, not the next insn,
14107 since latter may be from a later fixup.
14108 (expand_value_return): Correctly convert VAL when promoting function
14109 return; support RETURN_REG being a PARALLEL.
14110 (expand_return): When checking for result in regs and having
14111 cleanup, consider PARALLEL in DECL_RTL as being in regs.
14113 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
14115 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
14116 last_nominal_fname): Mark const.
14117 (struct include_hash: name, nshort, control_macro): Mark
14119 (struct macrodef: symnam): Mark const.
14120 (struct if_stack: fname): Mark const.
14121 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
14122 (IStable): New character-syntax array which encompasses all
14123 the old is_foo arrays.
14124 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
14125 is_space): New macros for interrogating IStable.
14126 (check_macro_name): Kill last argument. All callers changed.
14128 * cppinit.c (initialize_char_syntax): Delete.
14129 (is_idchar, is_idstart, is_hor_space, is_space,
14130 trigraph_table): Delete.
14131 (IStable): New. Initialize with clever macros to avoid
14132 information duplication.
14133 (builtin_array): Table of builtins to get rid of explicit list
14134 in initialize_builtins.
14135 (initialize_builtins): Use builtins_array.
14136 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14137 opts->dollars_in_ident.
14139 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14141 (cpp_parse_expr): Avoid 'format string is not constant'
14142 warning. Use ISGRAPH to identify printable chars.
14143 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14145 (read_and_prescan): Map trigraphs to chars with open-coded
14146 if-else-if-... sequence, not a lookup table.
14147 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14149 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14150 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14151 (check_macro_name): Remove ability to report an invalid
14152 assertion name, which is never used.
14153 (do_line): Constify a couple of char *'s.
14154 * cppmain.c (main): Call cpp_cleanup before returning.
14156 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14158 * ggc.h (struct ggc_statistics): New type.
14159 (ggc_get_size): New function.
14160 (ggc_print_statistics): Likewise.
14161 * ggc-common.c (ggc_stats): New variable.
14162 (ggc_mark_rtx_children): Keep statistics.
14163 (ggc_mark_tree_children): Likewise.
14164 (ggc_print_statistics): New function.
14165 * ggc-page.c (struct globals): Add bytes_mapped field.
14166 (alloc_anon): Update it.
14167 (release_pages): Likewise.
14168 (ggc_get_size): New function.
14169 (ggc_page_print_statistics): New function.
14170 * ggc-simple.c (ggc_get_size): New function.
14172 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14174 * flow.c (propagate_block): When the last reference to a label
14175 before an ADDR_VEC is deleted because the reference is a dead
14176 store, delete the ADDR_VEC.
14178 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14180 * resource.c (find_free_register): Don't use the frame pointer
14181 if frame_pointer_needed.
14183 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14185 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14186 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14188 * config/i960/i960.c (i960_va_start): New locals base, num.
14189 Use INDIRECT_REF instead of ARRAY_REF on valist.
14190 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14192 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14194 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14196 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14198 * tree.def (PLACEHOLDER_EXPR): Update comments.
14200 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14202 * c-common.c (check_format_info): Avoid non-literal format string
14203 warnings when `first_arg_num' is zero.
14205 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14207 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14209 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14211 * arm.md (casesi_insn): Add a clobber of the condition code
14214 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14216 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14217 used by both cc1 and cc1plus.
14219 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14221 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14222 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14223 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14224 to the value 32 if it has not already been defined.
14225 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14226 Override definition in arm.h with a value of 8.
14228 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14230 * c-pragma.c (push_alignment): Don't check the return value
14233 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14235 * sparc.h (ADJUST_COST): Fix thinko.
14237 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14239 * cccp.c (rescan): Fixed obp pointer handling around call to
14240 check_expand subroutine.
14242 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14244 * gcse.c (delete_null_pointer_checks): Only record non-null info
14245 for pseudos when examining stores.
14247 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14248 splitters for these patterns. Use "#" for output templates.
14249 (addsi3_carryin_shift): New pattern.
14251 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14253 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14254 of the function return register into a plain REG until
14255 after function inlining is done.
14257 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14259 * jump.c (jump_optimize_1): If we did cross-jumping, and
14260 the data will matter, rebuild the CFG.
14261 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14262 not optimizing. Don't run shorten_branches.
14263 * toplev.c (rest_of_compilation): Run shorten_branches after
14266 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14268 * rtl.h (note_stores): Add additional paramter.
14269 * rtlanal.c (reg_set_p_1): Take additional paramter.
14270 (reg_set_last_1): Likewise.
14271 (reg_set_p): Adjust call to note_stores.
14272 (reg_set_last): Likewise.
14273 (note_stores): Pass data parameter to worker function.
14274 * alias.c (record_set): Take additional parameter.
14275 (init_alias_analysis): Pass it.
14276 * caller-save.c (mark_set_regs): Take additional parameter.
14277 (save_call_clobbered_regs): Pass NULL to note_stores.
14278 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14280 (record_dead_and_set_regs_1): Likewise.
14281 (reg_dead_at_p_1): Likewise.
14282 (combine_instructions): Adjust calls to note_stores.
14283 (try_combine): Likewise.
14284 (record_dead_insn): Remove.
14285 (record_dead_and_set_regs): Adjust calls to note_stores.
14286 (reg_dead_at_p): Likewise.
14287 * cse.c (invalidate_skipped_set): Take additional parameter.
14288 (cse_check_loop_start): Likewise.
14289 (cse_check_loop_start_value): Remove.
14290 (cse_set_around_loop): Adjust calls to note_stores.
14291 * flow.c (notice_stack_pointer_modification): Take additional
14292 parameter. Remove duplicate declaration.
14293 (record_volatile_insns): Adjust calls to note_stores.
14294 * gcse.c (record_set_info): Take additional parameter.
14295 (record_last_set_info): Likewise.
14296 (invalidate_nonnull_info): Likewise.
14297 (record_set_insn): Remove.
14298 (compute_sets): Adjust calls to note_stores.
14299 (last_set_insn): Remove.
14300 (compute_hash_table): Adjust calls to note_stores.
14301 (insert_insn_end_bb): Likewise.
14302 (delete_null_pointer_checks): Likewise.
14303 * global.c (mark_reg_store): Take additional parameter.
14304 (mark_reg_clobber): Likewise.
14305 (reg_becomes_live): Likewise.
14306 (global_conflicts): Adjust calls to note_stores.
14307 (build_insn_chain): Likewise.
14308 * integrate.c (note_modified_parmregs): Take additional parameter.
14309 (mark_stores): Likewise. Make it static.
14310 (save_for_inline_nocopy): Adjust calls to note_stores.
14311 (try_constants): Likewise.
14312 * integrate.h (mark_stores): Remove declaration.
14313 * jump.c (mark_modified_reg): Take additional parameter.
14314 (thread_jumps): Adjust calls to note_stores.
14315 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14317 (no_equiv): Likewise.
14318 (reg_is_set): Likewise.
14319 (validate_equiv_mem): Adjust calls to note_stores.
14320 (update_equiv_regs): Likewise.
14321 (block_alloc): Likewise.
14322 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14323 (note_addr_stored): Take additional parameter.
14324 (note_set_pseudo_multiple_uses): Likewise.
14325 (record_initial): Likewise.
14326 (prescan_loop): Adjust calls to note_stores.
14327 (strength_reduce): Likewise.
14328 (check_dbra_loop): Likewise.
14329 * regmove.c (flags_set_1): Take additional paramter.
14330 (mark_flags_life_zones): Adjust calls to note_stores.
14331 * reload1.c (mark_not_eliminable): Take additional parameter.
14332 (forget_old_reloads_1): Likewise.
14333 (reload_cse_invalidate_rtx): Likewise.
14334 (reload_cse_check_clobber): Likewise.
14335 (reload_combine_note_store): Likewise.
14336 (move2add_note_store): Likewise.
14337 (reload): Adjust calls to note_stores.
14338 (reload_as_needed): Likewise.
14339 (emit_reload_insns): Likewise.
14340 (reload_cse_regs_1): Likewise.
14341 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14342 (reload_combine): Adjust calls to note_stores.
14343 * resource.c (update_live_status): Take additional paramter.
14344 (mark_target_live_regs): Adjust calls to note_stores.
14345 * stupid.c (find_clobbered_regs): Take additional parameter.
14346 (stupid_life_analysis): Adjust calls to note_stores.
14348 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14350 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14353 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14356 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14357 of the variable arm_structure_size_boundary.
14359 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14361 * alias.c (init_alias_analysis): Allocate reg_known_value and
14362 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14364 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14365 * cse.c (cse_main): Call end_alias_analysis.
14366 * haifa-sched.c (schedule_insns): Likewise.
14367 * local-alloc. (update_equiv_regs): Likewise.
14368 * reload1.c (reload_cse_regs): Likewise.
14370 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14372 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14373 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14374 mapping from MASK_FPU.
14376 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14378 * sparc.md (call): Don't bound structure return size to 0xfff.
14380 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14382 * resource.c (mark_target_live_regs): Check that the target
14383 insn wasn't created after compute_bb_for_insn.
14385 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14387 * ggc-page.c (poison_pages): Don't be overzealous.
14389 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14391 * alias.c: Update comments for ADDRESS.
14392 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14393 it is a local memory reference.
14395 * c-typeck.c (build_function_call): Check that the built-in
14396 function is of class BUILT_IN_NORMAL before trying to recongize
14397 it as BUILT_IN_ABS.
14398 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14399 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14401 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14403 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14405 (pre_gcse): Likewise.
14406 (hoist_expr_reaches_here_p): Likewise.
14407 (hoist_code): Likewise.
14408 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14410 (pre_expr_reaches_here_p_work): ... here.
14411 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14413 (expr_reaches_here_p_work): ... here.
14415 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14417 * resource.c (find_basic_block): Delete.
14418 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14419 (init_resource_info): Call compute_bb_for_insn.
14421 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14423 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14424 with already adjacent blocks, but no fallthru.
14425 (merge_blocks_move_successor_nojumps): Simplify.
14426 (debug_flow_info): New.
14428 * toplev.c (rest_of_compilation): Open jump1 dump file before
14429 jump and close after, as opposed to just using dump_rtl.
14431 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14433 * reload.h (earlyclobber_operand_p): Declare.
14434 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14435 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14436 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14437 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14439 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14440 Richard Henderson <rth@cygnus.com>
14442 * emit-rtl.c (emit_block_insn_before): New.
14443 (emit_block_insn_after): New.
14444 * basic-block.h: Declare them.
14446 * bitmap.h: Protect from multiple inclusion.
14448 * recog.c (scratch_operand): Handle VOIDmode correctly.
14450 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14452 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14453 * function.c (assign_parms): Likewise.
14454 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14456 * reg-stack.c (max_uid): Remove.
14457 (blocks, block_begin, block_end, block_drops_in): Remove.
14458 (block_stack_in, block_out_reg_set, block_number): Remove.
14459 (struct block_info_def, BLOCK_INFO): New.
14460 (enum emit_where): New.
14461 (current_block): New.
14462 (BLOCK_NUM): Remove.
14463 (mark_regs_pat, record_label_references): Remove.
14464 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14466 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14467 (reg_to_stack): Simplified test for existance of fp code. Use
14468 flow.c code. Call shorten_branches after cross-jump opt.
14469 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14470 Return false if the asm doesn't use stack regs. Don't do life
14471 analysis on the asm.
14472 (emit_pop_insn): Replace function pointer arg `when' with
14473 enum `where'. Update all callers.
14474 (change_stack): Likewise. Update basic block end.
14475 (emit_swap_insn): Use current_block->head to limit reverse search
14476 for start of block. Use emit_block_insn_after.
14477 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14478 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14479 structure assignment instead of bcopy.
14480 (print_stack): New.
14481 (convert_regs_entry, convert_regs_exit): New.
14482 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14483 Work on basic blocks and the CFG.
14484 (convert_regs): Use them.
14486 * i386.c (output_fix_trunc): Remove code for DImode input operand
14487 not at top-of-stack.
14488 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14490 (fix_truncdi_1): Allow any mode scratch.
14492 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14494 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14495 * linux.h, netbsd.h, vms.h: Not here.
14497 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14499 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14500 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14501 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14502 CONDITIONAL_REGISTER_USEAGE): Use them.
14503 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14504 gen_conditional_branch,override_options) : Use them.
14505 * config/mips/mips.md : Use them.
14507 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14509 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14511 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14513 * integrate.c (function_cannot_inline_p): Don't allow inlining
14516 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14518 * c-parse.in (cast_expr): Constify.
14520 * cccp.c (special_symbol): Likewise.
14522 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14524 * dwarf2out.c (base_type_die): Likewise.
14526 * global.c (allocno_compare): Likewise.
14528 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14530 * regclass.c (fix_register): Likewise.
14532 * rtl.h (fix_register): Likewise.
14534 * stupid.c (stupid_reg_compare): Likewise.
14536 * toplev.c (decode_f_option): Likewise.
14538 * tree.c (build_complex_type): Likewise.
14540 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14542 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14544 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14546 * reload.c (find_reloads): Compute mode and nregs fields of all
14548 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14549 (calculate_needs): Use precomputed mode/nregs values.
14550 (allocate_reload_reg): Likewise.
14552 (failed_reload, set_reload_reg): ... new functions.
14553 (choose_reload_regs_init): New function, mostly broken out from...
14554 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14555 Also lose one #if 0 block.
14557 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14559 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14562 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14564 * tree.h (BLOCK_TYPE_TAGS): Remove.
14565 (BLOCK_END_NOTE): Likewise.
14566 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14567 (BLOCK_LIVE_RANGE_START): Likewise.
14568 (BLOCK_LIVE_RANGE_END): Likewise.
14569 (tree_block): Remove live_range_flag, live_range_var_flag, and
14570 type_tags. Remove end_note, live_range_start, and live_range_end.
14571 (remember_end_note): Remove prototype.
14572 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14573 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14575 * ggc-common.c (ggc_mark_tree_children): Don't mark
14576 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14577 * integrate.c (adjust_copied_decl_tree): Remove.
14578 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14579 * stmt.c (last_block_end_note): Remove.
14580 (init_stmt): Don't add a GC root for it.
14581 (expand_fixup): Don't set it.
14582 (remember_end_note): Remove.
14583 (expand_end_bindings): Don't set last_block_end_note.
14585 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14587 * reload1.c (reload_reg_free_for_value_p): Show
14588 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14591 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14593 * expmed.c (extract_bit_field): Allow for the case of non-integer
14594 objects that are smaller than a word (like SFmode on a 64-bit
14597 * loop.c (basic_induction_var): A non-integer variable which is
14598 being set by a paradoxical subreg is probably not a biv.
14600 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14602 * prefix.c (translate_name) Check for empty prefix string.
14604 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14606 * Makefile.in (CPP_CROSS_NAME): New variable.
14607 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14609 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14610 names of the files to be uninstalled.
14612 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14614 * collect2.c (IS_DIR_SEPARATOR): Define.
14615 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14617 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14620 * haifa-sched.c (add_dependence): Update the true dependency
14621 cache the first time we add a true dependence to the LOG_LINKS chain.
14623 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14625 * fold-const.c (fold): Fix comment.
14627 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14629 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14630 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14631 dbxout_start_new_source_file, dbxout_source_file,
14632 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14633 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14635 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14636 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14637 (dbxout_block): Initialize variable `blocknum'.
14639 * dbxout.h (dbxout_init, dbxout_finish,
14640 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14641 dbxout_args, dbxout_source_line): Constify a char*.
14643 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14644 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14645 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14646 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14647 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14648 src_info_attribute, mac_info_attribute, producer_attribute,
14649 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14650 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14651 dwarfout_undef): Constify a char*.
14652 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14654 * dwarfout.h (dwarfout_define, dwarfout_undef,
14655 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14657 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14659 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14660 (MULTILIB_ISA_DEFAULT): New.
14661 (MULTILIB_DEFAULTS): Use it.
14662 * config/mips/mips.c (): Remove the now unnecessary definition
14663 of MIPS_ISA_DEFAULT.
14664 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14665 unnecessary definition.
14667 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14669 * arm.md (pic_load_addr): Add constraints to operand 1.
14671 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14673 * fixinc/genfixes: Provide a means for specifying -D options to
14676 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14678 * arm.c (arm_override_options): Correct initialization of
14679 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14680 arm_is_strong, and arm_is_6_or_7.
14682 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14683 (note_set_pseudo_multiple_uses): New function.
14684 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14685 if a pseudo set in the loop exit is used elsewhere.
14687 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14689 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14691 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14693 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14694 a single load-address pattern.
14696 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14698 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14699 depending on whether or not line-number notes are present.
14701 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14703 * cccp.c (progname, file_buf, default_include, include_file,
14704 macrodef, definition, hashval, wchar_type, user_label_prefix,
14705 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14706 expand_to_temp_buffer, is_system_include, base_name,
14707 absolute_filename, read_name_map, open_include_file,
14708 record_control_macro, check_precompiled, check_preconditions,
14709 pcfinclude, pass_thru_directive, create_definition,
14710 check_macro_name, comp_def_part, collect_expansion,
14711 check_assertion, read_token_list, assertion_install,
14712 assertion_lookup, eval_if_expression, conditional_skip,
14713 validate_else, skip_quoted_string, quote_string, macarg1,
14714 error_from_errno, install, lookup, hashf, dump_defn_1,
14715 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14716 check_white_space, rescan, handle_directive, monthnames,
14717 special_symbol, do_include, remap_include_file, write_output,
14718 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14719 do_ident, do_sccs, do_xifdef, skip_if_group,
14720 output_line_directive, macroexpand, macarg, change_newlines,
14721 initialize_builtins, make_definition): Constify a char*.
14723 * pcp.h (stringdef): Likewise.
14725 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14727 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14730 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14731 Richard Henderson <rth@cygnus.com>
14733 * alias.c: Include ggc.h.
14734 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14735 (record_set): Verify enough room in reg_base_value.
14736 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14737 Register it as a GC root.
14738 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14739 * Makefile.in (alias.o): Depend on ggc.h.
14741 * unroll.c (unroll_loop): Verify the insn before a barrier
14742 is a JUMP_INSN before checking JUMP_LABEL.
14744 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14746 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14747 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14748 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14749 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14750 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14751 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14753 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14755 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14757 * alpha/alpha-interix.h (text_section): Delete prototype.
14758 * alpha/elf.h (text_section): Likewise.
14759 * arm/linux-elf.h (text_section): Likewise.
14760 * arm/linux-telf.h (text_section): Likewise.
14761 * c4x/c4x.h (text_section): Likewise.
14762 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14763 * elfos.h (text_section): Likewise.
14764 * i386/aix386ng.h (text_section): Likewise.
14765 * i386/i386-interix.h (text_section): Likewise.
14766 * i386/sco5.h (text_section): Likewise.
14767 * i386/svr3gas.h (text_section): Likewise.
14768 * nextstep.h (text_section): Likewise.
14769 * psos.h (text_section): Likewise.
14770 * ptx4.h (text_section): Likewise.
14771 * svr3.h (text_section): Likewise.
14772 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14774 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14776 * final.c (peephole): Delete prototype.
14778 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14779 (pre_insert_copies): Remove unused variable `bb'.
14781 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14784 * output.h (peephole): Add prototype.
14786 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14788 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14791 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14793 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14794 for inlined declarations.
14796 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14798 * arm.c (logical_binary_operator): New fucntion.
14799 * arm.h (logical_binary_operator): Declare it.
14800 (PREDICATE_CODES): Handle logical_binary_operator.
14801 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14802 output constraints. Add appropriate splitters.
14803 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14804 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14805 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14807 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14809 * genoutput.c (struct operand_data): New elt eliminable.
14810 (output_operand_data): Write it.
14811 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14812 (compare_operands): Take it into account.
14813 * recog.h (struct insn_operand_data): New elt eliminable.
14814 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14816 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14817 (eliminate_regs): Move code that detects changes to elimination
14818 target regs into new function elimination_effects.
14819 Delete one #if 0 block.
14820 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14821 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14822 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14823 Only call eliminate_regs for real operands of the insn, not for parts
14824 of its structure or parts matched by things like match_operator.
14825 Use elimination_effects and check_eliminable_occurrences. Use
14826 copy_insn to duplicate the pattern when not in the final pass.
14828 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14830 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14833 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14835 * fixinc/README: document the "mach" machine matching test
14836 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14837 * fixinc/fixtests.c: Implement the #else/#endif label test
14838 * fixinc/inclhack.def: utilize these tests and fixes
14839 * fixinc/inclhack.sh: regen
14840 * fixinc/fixincl.x: regen
14841 * fixinc/fixincl.sh: regen
14843 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14845 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14848 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14850 * gcc.1: Document exit codes.
14852 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14854 * calls.c: Include tm_p.h later, so everything we need is defined.
14855 * expr.c: Likewise.
14856 * function.c: Likewise.
14858 * except.c: Include tm_p.h.
14860 * sparc.c: Likewise.
14861 (dwarf2out_cfi_label): Don't prototype.
14862 (check_return_regs, epilogue_renumber,
14863 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14864 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14865 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14866 ultra_schedule_insn): Add static prototype.
14867 (data_segment_operand, text_segment_operand): Call itself with the
14868 proper number of arguments.
14869 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14871 * sparc.h: Move all declarations to sparc-protos.h.
14872 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14875 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14877 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14879 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14880 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14881 ASM_OUTPUT_ASCII): Constify a char*.
14883 * sparc-protos.h: New file for sparc prototypes.
14885 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14887 * function.c (record_insns, contains): Always declare and define.
14888 (record_insns): Mark with ATTRIBUTE_UNUSED.
14890 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14892 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
14893 to .section when outputting a .bss section to deal with multiple
14894 .bss input sections (as happens with -fdata-sections)
14895 Also output %progbits, not @progbits so the assembler doesn't treat as
14897 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
14899 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
14900 thumb parts even when building with non-thumb CPUs, by forcing
14903 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
14905 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
14906 (movdf_const_intreg_sp64): Similarly.
14908 * local-alloc.c (update_equiv_regs): Check the correct insn
14909 for pre-existing REG_EQUIV notes.
14911 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
14913 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
14914 block reached by a branch if we're not going to actually process
14917 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
14919 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
14920 a local extern function declaration.
14922 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
14924 * i386.c (ix86_expand_prologue): Properly wrap USE around
14925 reg for CALL_INSN_FUNCTION_USAGE.
14927 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
14929 * config/mips/mips.md (movdf_internal1a): Allow floating-point
14930 move between GP_REGs.
14932 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
14934 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
14935 the mode size when finding out if an offset is legal.
14937 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
14939 * basic-block.h (PROP_*): Move constants from ...
14940 * flow.c: ... here.
14941 (compute_bb_for_insn): Free the array before reallocating.
14942 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
14943 (allocate_reg_life_data): Reset all reg variables collected by
14945 (get_block_head_tail): Don't convert from bb to block.
14946 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
14947 (find_insn_reg_weight): Take block not bb.
14948 (schedule_block): Don't set block num for moved insns.
14949 (schedule_region): Don't update_life_info or find_insn_reg_weight.
14950 (schedule_insns): Do it here instead.
14951 * combine.c (combine_instructions): Invoke compute_bb_for_insn
14952 before update_life_info.
14953 * recog.c (split_all_insns, peephole2_optimize): Update for
14954 new arg to update_life_info.
14955 * rtlanal.c (remove_note): Cope with NULL note.
14956 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
14959 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
14961 * jump.c (jump_optimize_1): More accurately detect casesi insns.
14963 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
14964 block records so that merge_blocks_nomove will clean up correctly.
14965 (split_edge): Handle casesi insns.
14967 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
14969 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
14971 * pa.md (call, call_value): Do not emit a blockage after restoring
14974 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
14976 * c-typeck.c (c_expand_asm_operands): Fix typo.
14978 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14980 * arm.c (fpu_rhs_operand): Verify modes.
14981 (fpu_add_operand): Likewise.
14982 (di_operand): Likewise.
14983 (soft_df_operand): Likewise.
14985 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
14987 * arm.c (arm_return_in_memory): APCS rules state that the elements
14988 of a structure returned in a register must be 'integer-like'.
14990 1999-10-19 Bruce Korb <autogen@linuxbox.com>
14992 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
14993 in the source tree when the generated targets are out of date
14994 * fixinc/genfixes: Alter it to run individual fixes for make.
14995 * fixinc/README: rewrite
14996 * fixinc/inclhack.def: moved initial comments to README
14998 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
15000 * toplev.c (main): Do not generate an error message if an
15001 unrecognised command line switch is recognisable by another
15002 language. If extra_warnings are enabled, then generate a
15003 warning message instead.
15005 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
15007 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
15008 (insert_pack_attributes): Delete prototype.
15010 * c-pragma.c (default_alignment): New static variable.
15011 (push_alignment): Initialize to current effective alignment.
15012 (pop_alignment): Use to set new alignment.
15013 (insert_pack_attributes): Delete function.
15014 (handle_pragma_token): Set default_alignment as well each time
15015 a #pragma pack(<n>) is encountered.
15017 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
15019 * reg-stack.c (stack_result): Aggregates are not returned in
15022 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15024 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
15026 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
15028 * basic-block.h (set_block_num): Declare.
15029 * flow.c (update_life_info): Don't call compute_bb_for_insn
15030 or free_basic_block_vars.
15031 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
15032 (insn_orig_block): Remove.
15033 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
15034 (schedule_block): Keep BLOCK_NUM up-to-date.
15035 (schedule_insns): Use compute_bb_for_insn.
15036 * recog.c (split_all_insns): Likewise.
15037 (peephole2_optimize): Likewise.
15039 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
15041 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
15042 if the pic register is used.
15044 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15046 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
15047 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
15048 if that tests TREE_PERMANENT.
15050 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
15052 * cse.c (invalidate_for_call): Do not remove memory references from
15053 the table here. It's handled elsewhere.
15055 * haifa-sched.c (add_dependence): Protect references to the
15056 true dependency cache with #ifdef INSN_SCHEDULING.
15057 (remove_dependence): Similarly.
15059 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
15060 to the cfg code that this is a return instruction.
15061 * mn10300.md (return_internal): Similarly.
15063 * combine.c (get_last_value): If the last set of a register
15064 is after subst_low_cuid, then we can not use it to determine
15065 the register's last value.
15067 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15069 * Makefile.in: Back out previous change.
15071 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
15073 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
15075 * haifa-sched.c (add_dependence): Only check/update the cache
15077 (remove_dependence): Likewise.
15078 (schedule_insns): Only create the true_dependency_cache if the
15079 average number of instructions in a basic block is very large.
15081 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15083 * Makefile.in (ggc-common.o): Depend on genrtl.h.
15084 (ggc-simple.o): Likewise.
15085 (ggc-page.o): Likewise.
15087 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
15089 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
15090 Prototype for exported functions.
15091 (pre_lcm, pre_rev_lcm): Remove prototypes.
15092 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
15093 (compute_available): Move to lcm.c, and change parameter order.
15094 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
15095 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
15096 (gcse_main): No longer call compute_preds_succs. Rebuild the
15097 set table after reach pre pass.
15098 (pre_insert_map, pre_delete_map, edge_list): New.
15099 (alloc_pre_mem): Allocate edge vectors.
15100 (free_pre_mem): Delete edge vectors.
15101 (compute_pre_data): Call new edge based lcm routines.
15102 (process_insert_insn): New function.
15103 (insert_insn_end_bb): Use it.
15104 (pre_edge_insert): New function.
15105 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
15107 (pre_insert_copies): Revamp using new edge based lcm outputs.
15108 (pre_delete): Likewise.
15109 (one_pre_gcse_pass): Insert & remove fake edges to the exit
15111 (compute_code_hoist_vbeinout): New new edge based routines.
15112 * lcm.c: Remove all the old LCM functions. Replace with new ones
15113 that work with the new cfg datastructures and work with edges
15116 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15118 * reload.h (struct reload): Add new fields "mode" and "nregs".
15119 * reload1.c: Change all occurrences of reload_mode and reload_nregs
15120 to reference the "mode" and "nregs" field within struct reload.
15122 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
15124 * haifa-sched.c (true_dependency_cache): New.
15125 (add_dependence): Use the true dependency cache to avoid expensive
15126 walks down the LOG_LINKS dependency list. Add entries to the
15127 cache as necessary.
15128 (remove_dependence): Remove entries from the true dependency cache
15130 (schedule_insns): Allocate and initialize and free the true
15133 * haifa-sched.c (schedule_insns): Do not remove inter-block
15134 dependencies anymore.
15136 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15138 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15139 * i386/t-winnt: Likewise.
15141 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15143 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15145 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15147 * Makefile.in (LANGUAGES): Omit "proto".
15148 (clean): Remove stale comment about removing unprotoize.c.
15150 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15152 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15153 using arithmetic on void pointers.
15155 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15157 * haifa-sched.c (compute_block_forward_dependencies): Only check
15158 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15160 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15162 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15163 (expr_equiv_p): Reject memories with different alias sets.
15165 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15167 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15168 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15169 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15170 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15171 (lang_init): Set default for flag_bounds_check if still "unspecified".
15173 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15175 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15177 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15179 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15182 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15184 * config/c4x/c4x.md (*db_noclobber,
15185 *decrement_and_branch_until_zero_noclobber): New patterns and
15186 associated splitters.
15188 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15190 * config/c4x/c4x.md (parallel instruction patterns): Rework
15191 constraints to keep reload happy.
15193 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15195 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15196 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15197 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15198 Add new patterns and associated post-reload splitters.
15200 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15202 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15204 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15206 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15208 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15210 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15212 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15215 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15217 * pa.c (move_operand): Rely on memory_address_p to determine the
15218 validity of non-indexed memory addresses.
15219 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15220 operand in DFmode and SFmode when generating PA2.0 code.
15222 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15224 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15226 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15228 * mips.c (function_prologue): Fix argument types.
15229 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15230 (casesi_internal): Write to the scratch register.
15232 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15234 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15236 (parse_charconst): Delete unnecessary cast when calling
15238 (cpplib.h): Kill prototype of cpp_parse_escape.
15240 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15242 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15243 * unroll.c (unroll_loop): Cast return value of alloca.
15244 * i370/i370.c: Include function.h and toplev.h.
15245 (i370_label_scan): Remove c++ commented abort.
15246 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15247 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15248 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15249 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15251 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15253 * config/t-freebsd: Do not override USER_H.
15254 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15256 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15257 Mumit Khan <khan@xraylith.wisc.edu>
15259 * c-parse.in (component_decl): Support anonymous struct/union.
15261 * c-parse.y: Regenerate.
15262 * c-parse.c: Likewise.
15263 * objc/objc-parse.y: Likewise.
15264 * objc/objc-parse.c: Likewise.
15265 * c-decl.c (finish_struct): Don't sort the fields.
15266 (field_decl_cmp): Delete unused function.
15268 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15270 * sparc.md (movsf_const_intreg): Revert last constraint change.
15271 (movdf_const_intreg_sp32): Likewise.
15273 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15275 * cse.c: Include hashtab.h instead of splay-tree.h
15276 (struct cse_reg_info): No longer use variant union. Add new
15277 field "regno". All references changed to avoid union.
15278 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15279 (free_cse_reg_info): Remove.
15280 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15281 (get_cse_reg_info): Revamp to use expandable hash tables instead
15282 of splay trees. Initialize new fields in cse_reg_info structure.
15283 (new_basic_block): Similarly.
15285 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15287 * genrecog.c (message_with_line): Prototype.
15288 (validate_pattern): Pass along the set for the dest, not a flag.
15289 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15290 Check for PC/CC0 as sources.
15291 (nodes_identical): Check for children position match before
15292 allowing the combination.
15294 * rtl.c (read_rtx): Track line number across \\\n.
15296 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15298 * mips.h (SPECIAL_MODE_PREDICATES): New.
15299 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15300 (movdi+1, movsi+1): Add output reload constraint.
15301 (casesi_internal): Likewise. Fix commentary.
15302 (return_internal): Use pmode_register_operand.
15304 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15306 * 1750a.md (movstrqi): Add missing output reload constraint.
15307 (call_value): Likewise.
15308 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15309 (jmpfdec): Add missing inout reload constraint.
15310 * elxsi.md (addsi patterns): Add missing output reload constraint.
15311 (move from sp): Use @ alternates.
15312 (call_value): No constraint on output.
15313 * fr30.md (movsi_pop): Add missing output reload constraint.
15314 (movsf_constant_store): Likewise.
15315 (splits): Remove constraints.
15316 (subsi3): Add missing mode.
15317 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15318 (call_value): Likewise.
15319 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15320 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15321 * m32r.md (movsicc_internal): Add output reload constraint.
15322 (movstrsi_internal): Add inout reload constraints.
15323 * m88k.h (reg_names): Don't declare.
15324 (SPECIAL_MODE_PREDICATES): New.
15325 * m88k.md (*): Use register_operand not reg_or_0_operand
15327 * mn10200.h (PREDICATE_CODES): New.
15328 * ns32k.md (ffs pattern): Add output reload constraint.
15329 * pdp11.md (sob pattern): Add inout reload constraint.
15330 * sh.md (splits): Remove constraints.
15331 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15332 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15333 * vax.md (jgequ pattern): Add inout reload constraint.
15335 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15337 * configure.in (djgpp): Revert previous patch.
15338 * configure: Rebuit.
15339 * config/i386/djgpp.h: Revert previous patch.
15341 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15343 * fixinc/inclhack.def: Restore patch lost during last merge of
15344 "no_bogosity" branch.
15345 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15347 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15349 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15350 * fixinc/inclhack.def: Same.
15351 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15353 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15355 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15356 as the base of a PLUS.
15358 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15360 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15361 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15363 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15365 * pa.md (post_stw+1): Use pmode_register_operand.
15366 (dcacheflush, icacheflush): Likewise.
15368 * i386.md (movstricthi_1): Allow r/r.
15370 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15372 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15373 to (not (and (arg0) (arg1))). Similary for and.
15375 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15376 fallthrough to associate code.
15377 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15380 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15381 no bits in common; remove XOR to ROTATE conversion.
15383 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15385 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15387 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15389 * config/c4x/c4x.c (dst_operand): New.
15390 (PREDICATE_CODES): Update.
15391 * config/c4x/c4x.h (dst_operand): Declare it.
15392 * config/c4x/c4x.md: Define mode for each unspec usage.
15393 (move patterns): Use dst_operand predicate instead of src_operand.
15394 (movqi_update, movqf_update): Delete.
15396 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15398 * recog.c (pmode_register_operand): New.
15399 * recog.h: Declare it.
15400 * genrecog.c (pred_codes): Likewise.
15401 (special_mode_pred_table): Likewise.
15402 (validate_pattern): Don't warn no mode for address_operand.
15404 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15405 if the operand is not insn-like.
15407 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15408 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15410 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15412 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15414 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15415 instead of general_operand in a SET_DEST. Use const_double_operand
15416 instead of an explicit test against CONST_DOUBLE.
15417 (movsf_const_lo): Add missing register mode.
15418 (goto_handler_and_restore): Add auxiliary test for Pmode.
15419 (flush): Adjust to use address_operand.
15420 (return_sf_no_fpu): Add missing output constraint.
15422 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15424 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15425 for call return value.
15426 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15428 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15430 * toplev.c (main): Only warn about options for other languages.
15431 * collect2.c (main): Pass -w to sub-gcc.
15433 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15435 * flow.c (propagate_block): Add call-clobbered registers to
15438 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15439 zapping mem_set_list.
15440 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15441 (mark_set_1, mark_used_regs): Likewise.
15443 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15445 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15447 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15449 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15450 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15451 options. Also add a new item "C-only Warning Options" to the
15454 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15456 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15457 from multiple calls.
15459 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15461 * i386.md (call value patterns): Move to the end of the file.
15462 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15464 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15466 * configure.in (djgpp configuration): Define extra_objects..
15467 * configure: Rebuilt.
15468 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15469 (DTORS_SECTION_ASM_OP): Define.
15470 (INIT_SECTION_ASM_OP): Define.
15471 (FINI_SECTION_ASM_OP): Define.
15472 (DATA_SECTION_ASM_OP): Define.
15473 (TEXT_SECTION_ASM_OP): Define.
15474 (EH_FRAME_SECTION_ASM_OP): Define.
15475 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15476 (STARTFILE_SPEC): Add crtbegin.o.
15477 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15478 to here from LINK_COMMAND_SPEC.
15479 (DO_GLOBAL_CTORS_BODY): Define.
15480 (CRTSTUFF_USE_FINI_SECTION): Define
15481 (HAS_INIT_SECTION): Delete.
15483 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15485 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15487 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15489 * pa.h (PREDICATE_CODES): New.
15491 * genrecog.c (validate_pattern): Condense the destination
15492 non-lvalue message.
15494 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15496 * alpha.md (call-1): Supply missing mode for operator.
15497 (*): Add missing output reload constraints. Remove constraints
15498 from define_splits.
15500 * i386.h (SPECIAL_MODE_PREDICATES): New.
15501 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15502 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15503 (addsi_lea_3): Add missing mode for op 3.
15504 (prologue_set_got, prologue_get_pc): Add missing modes.
15505 (*) Add missing output reload constraints.
15507 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15509 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15510 check for member bit-size overflow and use var_size if it occurs.
15511 (layout_record): Use bitsize_int() to define the type size in bits.
15512 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15513 (layout_decl): Likewise when assigning to DECL_SIZE.
15515 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15517 * genrecog.c (validate_pattern): Typo last change. Verify
15518 that output operands have output reloads.
15520 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15522 * genrecog.c (special_mode_pred_table): New.
15523 (NUM_SPECIAL_MODE_PREDS): New.
15524 (find_operand): New.
15525 (validate_pattern): New argument `insn'. Warn for assignment to
15526 any predicate accepting non-lvalues. Conditionaly warn for
15527 match_operand without a mode. Try much harder to match source
15528 and destination modes on a set.
15529 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15531 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15533 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15535 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15537 * combine.c (simplify_logical): Recognize xor pattern that encodes
15540 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15542 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15545 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15547 * ggc-page.c (MAP_FAILED): Provide default.
15549 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15551 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15552 * sparc.h (PREDICATE_CODES): Update.
15554 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15556 * alpha.c (some_ni_operand): New.
15557 * alpha-protos.h: Declare it.
15558 * alpha.h (PREDICATE_CODES): Update.
15559 * alpha.md (sXaddq reload insns): Use some_ni_operand
15560 for SET_DEST instead of some_operand.
15562 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15563 Jim Wilson <wilson@cygnus.com>
15565 * genrecog.c (maybe_both_true_2): Don't compare modes of
15567 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15568 after find_afterward.
15569 (debug_decision_1): Dump next and afterward codes.
15571 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15573 * rtl.c (dump_and_abort): Remove.
15574 (fatal_with_file_and_line): New.
15575 (fatal_expected_char): New.
15576 (read_rtx_lineno, read_rtx_filename): New.
15577 (read_skip_spaces): Track line number.
15578 (read_name): Use fatal_with_file_and_line.
15579 (read_rtx): Use fatal_expected_char. Track line number.
15580 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15582 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15583 if it isn't a CODE_LABEL.
15585 * genattr.c (main): Set read_rtx_filename.
15586 * genattrtab.c (main): Likewise.
15587 * gencodes.c (main): Likewise.
15588 * genconfig.c (main): Likewise.
15589 * genemit.c (main): Likewise.
15590 * genextract.c (main): Likewise.
15591 * genflags.c (main): Likewise.
15592 * genopinit.c (main): Likewise.
15593 * genoutput.c (main): Likewise.
15594 * genpeep.c (main): Likewise.
15596 * genrecog.c (decision_test.u.insn): Add `lineno'.
15597 (pattern_lineno, error_count): New variables.
15598 (message_with_line): New.
15599 (add_to_sequence): Break out checking code to ...
15600 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15601 (merge_insn): Use message_with_line.
15602 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15603 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15605 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15607 * expr.c (store_constructor): Clear union if constructor is empty.
15609 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15611 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15612 Add !endian checks. Change %{...} to %(...).
15614 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15616 * i386.md (*addsi3_cc): Renamed from addcsi3.
15617 (*addsi3_carry): Renamed from addxsi3.
15618 (*subsi3_cc): Renamed from subcsi3.
15619 (*subsi3_carry): Renamed from subxsi3.
15620 (*xorqi_cc_1): Renamed from xorcqi_1.
15621 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15622 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15624 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15626 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15627 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15629 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15631 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15632 climb up the chain of insns.
15634 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15636 * genrecog.c (write_subroutine): Careful for null trees.
15637 (process_tree): Don't elide empty functions.
15639 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15641 * Makefile.in (genrtl.o): Depend on ggc.h.
15642 * configure.in (valloc): Probe for it.
15643 (with-gc): Use ggc-page if valloc present.
15644 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15645 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15646 (ggc_alloc_string): Moved from ggc-page.c.
15647 * ggc-none.c (ggc_alloc_obj): New.
15648 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15649 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15650 (struct globals): Likewise for dev_zero_fd.
15651 (init_ggc): Likewise for it's initialization.
15652 (ggc_allocated_p): Move careful dereference from ...
15653 (ggc_lookup_page_table): ... here. Delete.
15654 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15655 (alloc_anon): Use valloc if no mmap.
15656 (release_pages): Use free if using valloc.
15657 (ggc_alloc_obj): Renamed from alloc_obj.
15658 (ggc_set_mark): Renamed from mark_obj.
15659 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15660 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15661 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15662 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15663 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15664 (ggc_collect): Use fp printing instead of our own rounding.
15665 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15666 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15667 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15668 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15669 (struct ggc_string, struct ggc_any): Delete.
15670 (offsetof): Provide default definition.
15671 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15673 (struct ggc_mem): New, from corpse of ggc_any.
15674 (struct ggc_status): Delete.
15675 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15676 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15677 (n_strings_collected, n_anys_collected): Delete.
15678 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15679 (ggc_alloc_string, ggc_alloc): Delete.
15680 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15681 (ggc_free_string, ggc_free_any): Delete.
15682 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15683 (ggc_compare_addresses, ggc_mark_string): Delete.
15684 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15685 (search_data): Delete.
15686 (struct globals): New.
15687 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15688 (tree_insert, tree_lookup): New.
15689 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15690 (clear_marks, sweep_objs): New.
15691 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15692 (init_ggc): Set allocated_last_gc.
15693 (ggc_push_context): Gut. Use G.context.
15694 (ggc_pop_context): Likewise.
15695 (ggc_pop_context_1): New.
15696 (debug_ggc_tree): New.
15697 (debug_ggc_balance, tally_leaves): New.
15698 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15699 (ggc_mark_string_if_gcable): Remove decl.
15700 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15701 (ggc_mark_rtvec_children): New.
15702 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15703 (ggc_mark_if_gcable): New decl.
15704 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15705 (ggc_alloc_tree, ggc_alloc): Likewise.
15706 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15707 (ggc_alloc_obj): New decl.
15708 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15709 (ggc_alloc_tree, ggc_alloc): Likewise.
15710 (ggc_set_mark): New decl.
15711 * rtl.h (struct rtx_def): Remove gc_mark.
15712 (struct rtvec_def): Likewise.
15713 * tree.h (struct tree_common): Likewise.
15715 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15717 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15718 float_format and thread_file definitions.
15719 * configure: Rebuilt.
15721 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15723 * extend.texi (Function Names): Document types of function names.
15725 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15727 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15728 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15730 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15732 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15734 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15736 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15738 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15740 * collect2.c (main): Do prelimnary link on AIX if rflag.
15742 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15744 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15745 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15747 (__do_global_dtors): similarly for __DTOR_LIST__.
15749 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15750 Diego Novillo <dnovillo@cygnus.com>
15752 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15755 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15757 * fixincl/*: Merged "no_bogosity" branch
15758 * fixincl/fixlib.h: protect against doubly defining t_bool
15759 * fixincl/server.h: protect against doubly defining t_bool
15761 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15763 * genoutput.c: Include toplev.h.
15765 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15767 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15769 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15770 * configure: Regenerate.
15772 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15774 * gcse.c (delete_null_pointer_checks): Returns void.
15776 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15778 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15779 * emit-rtl.c (copy_insn_1): Likewise.
15781 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15783 * config/mips/mips.c (mips_build_va_list): Correct
15784 TREE_CHAIN setting when hard-float.
15785 (mips_va_start): Use corrected setting.
15786 (mips_va_arg): Likewise. Also pass a tree to build of
15787 POSTINCREMENT_EXPR rather than a naked 'int'.
15789 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15791 * ggc.h (ggc_push_context): Fix comment.
15792 (ggc_pop_context): Likewise.
15793 (mark_string_if_gcable): Likewise.
15794 * ggc-common.c (ggc_mark_rtx_children): Use
15795 ggc_mark_string_if_gcable.
15796 * ggc-page.c (ggc_lookup_page_table): New function.
15797 (ggc_allocated_p): Likewise.
15798 (mark_obj): Fix formatting.
15799 (ggc_mark_string_if_gcable): New function.
15800 * ggc-simple.c (ggc_allocated_strings): New variable.
15801 (ggc_strings_used): Likewise.
15802 (ggc_compare_addresses): New function.
15803 (ggc_pop_context): Pop the `any' memory too.
15804 (ggc_mark_string_if_gcable): New function.
15805 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15807 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15809 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15810 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15811 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15814 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15816 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15817 (sched_reg_live_length, sched_reg_basic_block): Delete.
15818 (current_block_num, bb_live_regs, old_live_regs): Delete.
15819 (dead_notes, struct sometimes): Delete.
15820 (sched_note_set, birthing_insn_p): Delete.
15821 (adjust_priority): Gut useless reg lifetime code.
15822 (create_reg_dead_note, attach_deaths): Delete.
15823 (attach_deaths_insn, new_sometimes_live): Delete.
15824 (finish_sometimes_live): Delete.
15825 (find_pre_sched_live, find_post_sched_live): Delete.
15826 (update_reg_usage): Delete.
15827 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15828 (schedule_insns): Delete reg lifetime code.
15829 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15830 (unlink_other_notes): Adjust REG_NOTE commentary.
15831 (reemit_notes): Use REG_SAVE_NOTE.
15832 (schedule_block): Likewise.
15833 (schedule_region): Allocate bitmap of blocks in region. Use
15834 count_or_remove_death_notes. Use update_life_info.
15836 * rtl.h (REG_SAVE_NOTE): New.
15837 * rtl.c (reg_note_name): Update.
15839 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15841 * combine.c (refresh_blocks, need_refresh): New.
15842 (combine_instructions): Allocate refresh_blocks. Invoke
15843 update_life_info if needed.
15844 (distribute_notes): Mark refresh_blocks instead of installing
15846 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15847 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15849 * Makefile.in (recog.o): Depend on basic-block.h.
15851 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15853 * genrecog.c (add_to_sequence): Thinko last change: delete
15854 shadowing allow_const_int variable.
15856 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15858 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15859 __GNUC__ and __GNUC_MINOR__.
15861 * gansidecl.h: Likewise.
15867 * toplev.h: Likewise.
15869 * tree.c: Likewise.
15871 * tree.h: Likewise.
15873 * varray.c: Likewise.
15875 * varray.h: Likewise.
15877 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15879 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15880 use one before a jump table.
15882 * rtl.def (ADDRESS): Change documentation to match reality.
15883 * md.texi: Don't document it.
15884 * gmicro.md (load address pattern): Use 'p' constraint, delete use
15887 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
15889 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
15891 * genrecog.c (add_to_sequence): Move allow_const_int test outside
15892 known predicate block; default allow_const_int true.
15893 (debug_decision_list): New.
15895 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
15897 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
15899 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
15901 * gcse.c (gcse_main): Avoid global optimizations if we have a
15902 large number of basic blocks and the ratio of edges to blocks
15904 (delete_null_pointer_checks): Likewise.
15906 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
15908 * c-common.c (check_format_info): Warn if format string isn't a
15911 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15913 * configure.in (arm*-*-*): Don't let autoconf remove brackets
15914 * configure: regenerate
15916 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
15918 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
15919 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
15920 (peepholes): Re-enable.
15922 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
15924 * Makefile.in (flow.o): Depend on TREE_H.
15925 * basic-block.h (REG_SET_EQUAL_P): New.
15926 (XOR_REG_SET): New.
15927 (n_edges): Declare.
15928 (free_regset_vector): Remove declaration.
15929 (flow_delete_insn_chain): Declare.
15930 (enum update_life_extent): New.
15931 (update_life_info, count_or_remove_death_notes): Declare.
15932 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
15933 Verify register live at bb->global_live_at_start before adding USE.
15934 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
15935 (CLEAN_ALLOCA): New.
15937 (PROP_*): New flags.
15938 (find_basic_blocks_1): Use alloc_EXPR_LIST.
15939 (clear_edges): Zero n_edges.
15940 (make_edge): Increment n_edges.
15941 (split_edge): Don't allocate bb->local_set. Increment n_edges.
15942 (flow_delete_insn_chain): Export.
15943 (delete_block): Decrement n_edges.
15944 (merge_blocks_nomove): Likewise.
15945 (life_analysis): Give life_analysis_1 PROP flags.
15946 (verify_wide_reg_1, verify_wide_reg): New.
15947 (verify_local_live_at_start): New.
15948 (update_life_info): Rewrite to call into propogate_block.
15950 (mark_regs_live_at_end): After reload, if epilogue as rtl,
15951 always mark stack pointer. Conditionally mark PIC register.
15952 After reload, mark call-saved registers, return regsiters.
15953 (life_analysis_1): Accept PROP flags not remove_dead_code.
15954 Call mark_regs_live_at_end before zeroing regs_ever_live.
15955 Use calculate_global_regs_live. Copy global_live_at_end before
15956 calling final propagate_block. Zero reg_next_use on exit.
15957 (calculate_global_regs_live): New.
15958 (allocate_bb_life_data): Don't allocate bb->local_set.
15959 (init_regset_vector, free_regset_vector): Remove.
15960 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
15961 Test flags before every operation. Warn if prologue/epilogue insn
15962 would have been deleted.
15963 (mark_set_regs, mark_set_1): Accept and use FLAGS.
15964 Use alloc_EXPR_LIST.
15965 (mark_used_regs): Accept and use FLAGS, not FINAL.
15966 Remove special handling for RETURN.
15967 (try_pre_increment): Use alloc_EXPR_LIST.
15968 (dump_flow_info): Dump n_edges.
15969 (unlink_insn_chain, split_hard_reg_notes): Remove.
15970 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
15971 (find_insn_with_note, new_insn_dead_notes): Remove.
15972 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
15973 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
15974 (replace_insns): Remove.
15975 (count_or_remove_death_notes): New.
15976 (verify_flow_info): Abort on error after all checks.
15977 (remove_edge): Decrement n_edges.
15978 (remove_fake_edges): Tweek format.
15979 * haifa-sched.c (schedule_insns): Use split_all_insns.
15980 * output.h (update_life_info): Remove declaration.
15981 * recog.c (split_all_insns): From the corpse of split_block_insns,
15982 do the whole function block by block. Use update_life_info.
15983 (recog_last_allowed_insn): New.
15984 (recog_next_insn): Mind it.
15985 (peephole2_optimize): Set it. Walk backwards through blocks.
15986 Use update_life_info.
15987 * rtl.h (update_flow_info, replace_insns): Remove declarations.
15988 (split_all_insns): Declare.
15989 * toplev.c (rest_of_compilation): Thread prologue before flow2.
15990 Use split_all_insns.
15992 * i386.md (or -1 peep2s): Disable.
15994 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
15996 * config/mips/mips.md (movstrsi+[123]) : Combine these into
15997 a single pattern. Scrap the 'd' versions as unnecessary.
15999 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
16000 tablejump_mips162,tablejump_internal4): The operands to a
16001 label_ref must be VOIDmode.
16003 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16005 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
16007 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16009 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
16011 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16013 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
16014 cache every function if ggc_p.
16016 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16018 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
16019 instead of copy_rtx. Accept sequences that contain asm statements.
16020 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
16021 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
16022 orig_asm_operands_vector, copy_asm_operands_vector,
16023 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
16025 * rtl.h (copy_insn, copy_insn_1): Declare.
16027 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16029 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
16031 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
16032 arguments to `current_file_function_operand'.
16034 * genrecog.c: Include hard-reg-set.h and resource.h in the
16035 generated output file.
16037 * real.c: Include tm_p.h.
16039 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16041 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
16044 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
16046 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
16047 before the fctiwz insn.
16049 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16050 Mark Mitchell <mark@codesourcery.com>
16052 * tree.c (make_lang_type_fn): New funtion pointer.
16053 (make_lang_type): Call it.
16054 * tree.h (make_lang_type): Declare.
16055 (make_lang_type_fn): Likewise.
16056 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
16058 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
16060 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
16061 make sure that HIGH instructions are copied into BASE_REGS.
16063 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
16065 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
16067 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
16069 * c-decl.c (finish_struct): Use simpler method of
16070 removing elements of a singly-linked list.
16072 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
16074 * alpha.md (peephole2's): Comment out peephole2's that generate
16077 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
16079 * genrecog.c (add_to_sequence): Disable mode check for
16082 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16084 * ggc-simple.c (init_ggc): Set empty_string.
16086 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
16088 * configure.in: Detect mmap. Add --with-gc=foo to select
16089 garbage collector; default to page if mmap available.
16090 * Makefile.in (GGC): Substitute.
16092 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
16094 * c-decl.c (ggc_p): Enable.
16096 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16098 * flow.c (verify_flow_info): Make it extern & unconditionally define.
16100 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
16102 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
16103 string for little-endian-data.
16105 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
16107 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
16108 case somebody tries to compile --enable-checking code with gcc
16111 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
16113 * genrecog.c (add_to_sequence): Verify operand to label_ref is
16116 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
16118 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
16119 * jump.c (jump_optimize_1): Document why.
16121 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16123 * collect2.c (scan_prog_file, scan_libraries): Prototype function
16124 pointers and casts for `int_handler' and `quit_handler'.
16126 * flow.c (verify_flow_info, split_hard_reg_notes,
16127 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
16128 remove_edge, remove_fake_successors): Add static prototypes.
16129 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
16130 (mark_set_1): Initialize variable `regno'.
16131 (unlink_insn_chain): Likewise for variable `curr'.
16132 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16134 * loop.c (strength_reduce): Initialize variable
16135 `unrolled_insn_copies'.
16136 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16137 prototypes. Change these functions to take const PTR parameters
16138 to avoid prototype conflict when used as the comparson argument
16140 (check_dbra_loop): Initialize variable `comparison_val'.
16142 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16143 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16144 (find_valid_class): Initialize variable `best_class'.
16145 (find_reloads): Call memcpy, not bcopy.
16147 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16148 (hard_reg_use_compare): Don't needlessly cast away const.
16149 (reload_reg_class_lower): Likewise.
16150 (choose_reload_regs): Initialize variable `regno'.
16152 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16154 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16156 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16158 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16159 ({,d}discard): Add forward declarations. Declare parameter as
16161 (main_without_main): Explicitly declare return type to be int.
16162 (memcpy): Properly declare.
16164 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16165 building the trampoline support, declare malloc, free, and
16167 (__clear_cache): Mark arguments as potentially unused.
16169 * frame.c (toplevel): If inhibit_libc is defined, declare
16172 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16174 * flow.c (make_edge): Accept an optional 2D bitmap in which
16175 to cache edge existence. Update all callers.
16176 (make_label_edge, make_eh_edge): Pass through the edge cache.
16177 (make_edges): Provide the cache.
16179 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16181 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16183 (local_mbtowc): Change the type of variable `i' from int to size_t.
16185 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16186 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16188 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16190 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16191 after other includes that define the appropriate types. Include
16192 tm_p.h for getting user prototypes.
16193 * ggc-callbacks.c (toplevel): Ditto.
16194 * ggc-none.c (toplevel): Ditto.
16195 * gcc-page.c (toplevel): Ditto.
16196 * ggc-simple.c (toplevel): Ditto.
16198 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16199 Jonathan Larmour <jlarmour@cygnus.co.uk>
16201 * config/mips/mips.c (mips_move_2words): Split doubles if
16202 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16204 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16206 * genrecog.c (struct decision_test): New.
16207 (struct decision): Remove test-related members, sort the rest by size.
16208 (IS_SPLIT): Simplify.
16209 (new_decision, new_decision_test): New.
16210 (add_to_sequence): Use them. No special handling for args of
16212 (maybe_both_true): Renamed from not_both_true; return sense changed.
16213 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16214 of maybe_both_true and adjusted for decision_test.
16215 (position_merit): Remove.
16216 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16217 (merge_accept_insn): New, broken out of merge_trees.
16218 (merge_trees): Use them. No special case for c_test; no node
16219 splitting; use test type instead of position_merit.
16220 (factor_tests): New.
16221 (simplify_tests): New.
16222 (break_out_subroutines): Don't write code now.
16223 (find_afterward): New.
16224 (write_afterward, write_switch, write_cond): New.
16225 (write_action, is_unconditional): New.
16226 (write_node): New. Use them.
16227 (write_tree_1): Rewrite. Use the new functions above.
16228 (write_tree): Remove afterward processing.
16229 (write_subroutine): Simplify function variant emission.
16230 (write_subroutines): New.
16231 (same_codes, clear_codes): Remove.
16232 (same_modes, clear_modes): Remove.
16233 (write_header): New, broken out of main.
16234 (make_insn_sequence): Use new_decision and new_decision_test.
16235 (process_tree): New, broken out of main.
16236 (main): Adjust for merge_trees interface change.
16237 Don't #define operands in the output file.
16238 (record_insn_name): New, broken out of make_insn_sequence.
16239 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16240 (debug_decision): New.
16242 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16244 * resource.c (find_free_register): Mark class_str argument const.
16245 * resource.h: Update prototype to match.
16247 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16248 * i386.md: Give all anonymous insns names.
16250 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16252 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16255 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16257 * toplev.c (dbr_sched_time): Unconditional.
16258 (peephole2_time): New.
16259 (compile_file): Add pass numbers to all of the dump file suffixes.
16260 Dump peephole2_time. Don't dump times for non-applicable passes.
16261 (rest_of_compilation): Add pass numbers to dump file suffixes.
16262 Conditionalize calls to the scheduler.
16263 * invoke.texi: Update.
16265 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16267 * flow.c (make_edges): Fix insn iteration.
16268 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16269 (find_basic_blocks_1): Fix spelling mistake.
16271 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16273 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16274 always have side-effects. Use memset not bzero.
16275 (make_node): Likewise.
16277 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16279 * stmt.c (expand_anon_union_decl): When any of the elements of the
16280 union is addressable, so is the entire union.
16282 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16284 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16286 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16287 * bitmap.c (bitmap_operation): Return true iff TO changed.
16288 (bitmap_equal_p): New.
16289 (bitmap_bit_p): Tidy arithmetic.
16290 (debug_bitmap_file): Likewise.
16292 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16294 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16295 before cse2 instead of after.
16297 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16299 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16302 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16304 * cppinit.c (is_idchar initializer): Loosen tests to accept
16307 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16309 * mips.md: Define conditional move patterns for floating point
16310 operands and DI mode conditions.
16312 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16314 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16315 always have side-effects.
16317 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16319 * mn10200.c (asm_file_start): Fix typo.
16321 * cppinit.c (is_idchar initializer): Tighten tests for when
16322 to put the table into initialized memory.
16324 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16325 not an array of rtunion.
16326 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16327 * gcc-simple (ggc_free_rtvec): Similarly.
16329 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16332 * mbchar.h: Add missing #endif.
16334 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16335 (FPBIT, DPBIT): Define.
16337 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16339 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16341 * profile.c (instrument_arcs, output_gcov_string,
16342 tablejump_entry_p): Add static prototypes.
16343 (output_gcov_string): Constify a char*.
16345 * regmove.c (replacement_quality, fixup_match_2): Add static
16348 * resource.h (reg_dead_p): Add extern prototype.
16350 * rtl.c (trim_filename): Add static prototype.
16352 * scan-decls.c (skip_to_closing_brace): Likewise.
16354 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16355 (expand_end_case): Initialize variable `range'.
16356 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16358 * varasm.c (asm_emit_uninitialised): Add static prototype.
16359 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16362 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16364 * cpplib.c (if_directive_nameo): Add static prototype.
16366 * cse.c (cse_insn): Remove unused variable `p'.
16368 * except.c (create_rethrow_ref, push_entry,
16369 receive_exception_label, new_eh_region_entry, find_func_region,
16370 clear_function_eh_region, process_nestinfo): Add static prototypes.
16371 (get_reg_for_handler): Hide definition.
16372 (process_nestinfo): Initialize variable `extra_handlers'.
16374 * expr.h (expand_builtin_longjmp): Add extern prototype.
16376 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16378 * function.c (prepare_function_start): Likewise.
16379 (pop_function_context_from): Mark parameter `context' with
16381 (push_temp_slots_for_block, flush_addressof): Hide definition.
16383 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16384 solve_program_flow_graph, calculate_branch_probs,
16385 function_summary, main, fancy_abort): Add prototypes.
16387 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16388 (add_hash): Constify a char*.
16390 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16391 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16392 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16394 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16396 * lists.c (free_list, zap_lists): Likewise.
16398 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16400 * alias.c (nonlocal_reference_p): Add static prototype.
16402 * bitmap.c (bitmap_element_allocate): Prototype args in function
16405 * builtins.c (stabilize_va_list): Add static prototype.
16406 (expand_builtin_va_arg): Constify a char*.
16408 * c-lex.c (getch, put_back, extend_token_buffer_to,
16409 read_line_number, token_getch, token_put_back): Add static
16412 * c-parse.gperf (hash, is_reserved_word): Likewise.
16414 * cccp.c (is_dir_separator): Likewise.
16416 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16418 * graph.h: New file to prototype functions exported by graph.c.
16420 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16422 * graph.c: Include graph.h.
16424 * toplev.c: Likewise. Remove redundant prototypes.
16426 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16428 * invoke.texi: Removed duplicated description for -Q.
16430 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16432 * extend.texi: Grammar fix in __extension__ text.
16434 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16436 * md.texi (define_peephole2): New section.
16438 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16440 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16441 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16444 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16446 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16448 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16450 * i386.md (ffs expander): Emit Pentium friendly code for
16453 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16455 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16457 (build1): Likewise.
16459 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16461 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16463 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16465 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16466 register is in use.
16468 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16470 * md.texi (No Constraints): Delete section.
16471 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16472 * final.c (final_scan_insn): We always have register constraints.
16473 * genattrtab.c: Don't include "insn-config.h".
16474 (write_attr_case): We always have register constraints.
16475 * genconfig.c (register_constraint_flag): Delete.
16476 (walk_insn_part): Don't check whether we have register constraints.
16477 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16478 * genoutput.c (have_constraints): Delete.
16479 (main): Don't set it.
16480 (output_operand_data): We always have constraints.
16481 (scan_operands): Likewise.
16482 (compare_operands): Likewise.
16483 * local-alloc.c (block_alloc): We always have constraints.
16484 (requires_inout): Always compile this function.
16485 * recog.c (extract_insn): We always have constraints.
16486 (constrain_operands, reg_fits_class_p): Always compile these
16488 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16490 (struct insn_operand_data): Likewise.
16491 * regclass.c (regclass): We always have constraints.
16492 (record_reg_classes, copy_cost, record_address_regs,
16493 auto_inc_dec_reg_p): Always compile these functions.
16494 * regmove.c (regmove_optimize): We always have constraints.
16495 * reload.c (find_reloads): Likewise.
16496 * reload1.c (reload): Likewise.
16497 (reload_cse_simplify_operands): Likewise.
16498 * i860.c (output_delay_insn): Likewise.
16500 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16502 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16504 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16506 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16507 for the va_list record.
16509 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16511 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16514 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16516 * alias.c: Include insn-flags.h.
16517 * Makefile.in (alias.o): Update.
16519 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16521 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16522 to LTU and GEU. Handle more cases using sbb.
16524 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16526 * i386.md (truncatexfdf splitters): Do not use subreg.
16527 (fop XFmode patterns): Fix mode in operand testing.
16529 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16531 * jump.c (jump_optimize_1): Amend last change to test only the
16532 form of the operand, not the insn.
16534 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16535 not register_operand to determine when B may need preloading.
16537 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16539 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16540 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16541 (call-value patterns): Move to end of file.
16542 (*): Remove mode from label_ref in (pc) context.
16543 (movstrqi): Use memory not general_operand for BLKmode operands.
16544 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16545 to register_operand operands.
16546 (peep2 patterns): Convert from commented-out peephole patterns.
16548 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16550 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16551 to BUILT_IN_INIT_DWARF_REG_SIZES.
16552 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16553 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16554 expand_builtin_init_dwarf_reg_sizes.
16555 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16556 with __builtin_init_dwarf_reg_size_table.
16557 * dwarf2out.c (struct reg_size_range): Delete.
16558 (expand_builtin_init_dwarf_reg_sizes): New function.
16559 (expand_builtin_dwarf_reg_size): Delete.
16560 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16561 (expand_builtin_dwarf_reg_size): Don't declare.
16562 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16563 (dwarf_reg_size_table): New.
16564 (init_reg_size_table): New function.
16565 (copy_reg): Use dwarf_reg_size_table.
16566 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16569 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16571 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16572 Correctly build argument list to constructor and destructor functions.
16574 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16576 * c-tree.h (warn_float_equal): Declare.
16577 * c-decl.c (warn_float_equal): Define.
16578 (c_decode_option): Recognize -W[no-]float-equal.
16579 * c-typeck.c (build_binary_op): Conditionally warn
16580 about equality tests of floating point types.
16581 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16582 * invoke.texi: Add docs for -Wfloat-equal warning.
16584 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16586 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16587 generating RTL directly.
16588 * mips.h (INIT_TARGET_OPTABS): Likewise.
16589 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16591 * expr.h (init_mov_optab): Delete declaration
16593 * h8300.c (WORD_REG_USED): Update to avoid useless register
16594 saves in interrupt functions and functions which never return.
16596 * cse.c (struct set): Delete inner_dest_loc field.
16597 (cse_insn): Remove assignments to inner_dest_loc field.
16599 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16601 * ggc-page.c: Don't include <unistd.h> etc taken care of
16602 by "system.h". Include <sys/mman.h> afterward.
16604 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16606 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16609 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16611 * xcoffout.c (xcoffout_declare_function): Add documentation.
16612 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16613 TARGET_64BIT. Compare constant to -1, not bit pattern.
16614 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16615 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16618 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16620 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16621 origin_die is NULL.
16622 (gen_inlined_enumeration_type_die): Do not abort if the type has
16623 not been writeen out.
16624 (gen_inlined_structure_type_die): Do not abort if the type has
16625 not been writeen out.
16626 (gen_inlined_union_type_die): Do not abort if the type has
16627 not been writeen out.
16628 (gen_tagged_type_instantiation_die): Do not abort if the type
16629 has not been written out.
16631 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16633 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16635 * reg-stack.c (straighten_stack): Copy hard reg set with
16638 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16640 * builtins.c (stabilize_va_list): Stabilize array type va_list
16641 to a pointer type, not the base record type.
16642 (expand_builtin_va_copy): Dereference the pointers explicitly;
16643 use the correct size for the copy.
16645 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16646 (rs6000_va_arg): Likewise.
16648 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16650 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16652 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16654 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16656 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16658 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16660 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16661 (init_ggc): Use it instead of a constant.
16662 (ggc_collect): Bound allocated_last_gc by it.
16664 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16666 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16669 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16671 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16672 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16673 * configure: Regen.
16674 * config/mips/openbsd.h: New, OpenBSD little endian target.
16675 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16676 * config/mips/xm-openbsd.h: New, OpenBSD host.
16678 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16680 * config/m68k/m68k.c (output_function_prologue,
16681 output_function_epilogue): Use
16682 current_function_uses_pic_offset_table instead of regs_ever_live
16683 to decide whether to save/restore pic register.
16684 (legitimize_pic_address): Don't modify regs_ever_live any more.
16686 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16688 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16689 * stor-layout.c (variable_size): Don't add sizes to the pending
16690 sizes list if x_dont_save_pending_sizes_p is set.
16692 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16694 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16695 for symbolic_operand().
16696 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16698 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16700 * combine.c (gen_rtx_combine): Add missing call to va_end().
16702 * final.c (asm_fprintf): Likewise.
16704 * genattrtab.c (attr_rtx): Likewise.
16706 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16708 * cse.c: Update comments.
16709 (cse_insn): When converting a conditional/computed jump into
16710 an unconditional jump, always make sure a BARRIER immediately
16711 follows the converted jump. Do not delete unreachable code.
16712 (cse_basic_block): Do not delete unreachable code.
16713 * toplev.c (rest_of_compilation): Move call to
16714 delete_trivially_dead_insns after the conditional call to
16717 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16719 * collect2.c (make_temp_file): Don't prototype.
16721 * gcc.c (make_temp_file): Likewise.
16723 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16725 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16727 * varasm.c (asm_emit_uninitialised): New function: Generate
16728 the assembler statements necessary to declare an uninitialised
16730 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16732 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16733 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16735 (assemble_variable): Use asm_emit_uninitialised to emit an
16736 uninitialised variable.
16738 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16740 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16741 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16742 <geoffk@cygnus.com>.
16744 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16746 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16747 * c-common.h (builtin_function): Don't declare.
16749 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16751 (pushdecl): Likewise.
16752 (finish_decl): Likewise.
16753 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16754 int. All callers changed.
16755 Set the builtin's DECL_BUILT_IN_CLASS.
16756 * tree.h (enum built_in_class): New.
16757 (enum built_in_function): Delete NOT_BUILT_IN.
16758 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16760 (DECL_SET_FUNCTION_CODE): Likewise.
16761 (DECL_BUILT_IN_CLASS): New macro.
16762 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16763 (struct tree_decl): Split builtin function code field into a
16765 (builtin_function): Declare.
16767 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16769 * optabs.c (init_traps): Fix typo in last change.
16771 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16773 * toplev.c (rest_of_decl_compilation): Update comment.
16775 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16777 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16778 in .sbss if appropriate.
16779 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16780 (SBSS_SECTION_ASM_OP): New macro.
16781 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16782 (EXTRA_SECTIONS): Add in_sbss.
16783 * config/mips/mips.h: Prototype sbss_section.
16785 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16787 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16790 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16792 * optabs.c (init_traps): Register trap_rtx as a GC root.
16794 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16796 * config/mips/mips.c (function_arg_pass_by_reference): Define
16797 unconditionally, since it's called unconditionally.
16799 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16801 * toplev.c (documented_lang_options): Add -fshort-wchar.
16802 * c-decl.c (c_decode_option): Likewise.
16803 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16805 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16806 * gcc.c (default_compilers): If -fshort-wchar,
16807 override __WCHAR_TYPE__.
16808 * tm.texi (C Dialect Options): Add -fshort-wchar.
16810 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16811 symbol for a variable.
16813 * cpplib.h (CPP_PREPROCESSED): New macro.
16814 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16815 we're seeing this input for a second time.
16817 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16819 * emit-rtl.c (init_emit_once): Initialize modes first.
16821 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16823 * config/i386/i386.c (pic_label_name): Change to char pointer.
16824 (global_offset_table): New variable.
16825 (load_pic_register): Fill global_offset_table if it hasn't
16826 already been done. Allocate pic_label_name dynamically.
16827 * ggc.h (empty_string): New variable.
16828 * ggc-simple.c (empty_string): Likewise.
16829 (init_ggc): Allocate empty_string and add as root.
16830 * stmt.c (digit_strings): New variable.
16831 (init_stmt): Add last_block_end_note as root. Allocate and
16832 initialize digit_strings.
16833 (expand_asm_operands): Use empty_string instead of string
16834 constant. Use digit_strings instead of string constants.
16835 * profile.c (init_arc_profiler): Allocate string with
16836 ggc_alloc_string instead of xmalloc.
16837 (output_func_start_profiler): Likewise.
16838 * c-typeck.c (digest_init): Check if init is error_mark_node.
16840 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16841 Richard Henderson <rth@cygnus.com>
16843 * ggc-page.c: New file.
16844 * Makefile.in (ggc-page.o): New.
16846 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16848 * invoke.texi: Document -fdelete-null-pointer-checks
16849 * toplev.c (flag_delete_null_pointer_checks): New.
16850 (f_options): Add entry for -fdelete-null-pointer-checks.
16851 (rest_of_compilation): Conditionalize null pointer check
16852 elimination on flag_delete_null_pointer_checks.
16853 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16855 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16857 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16858 copyright notice and special exception to GPL.
16860 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16862 * abi64.h (mips_function_value): Add prototype arguments.
16864 * mips-protos.h: New file with mips prototypes.
16866 * mips.c: Include "tm_p.h".
16867 (mktemp, lookup_name): Add prototype arguments.
16868 (extern_list, string_constant, mips_fill_delay_slot,
16869 mips_output_external, mips_output_external_libcall,
16870 mips_output_filename, mips_declare_object, function_prologue,
16871 mips_expand_prologue, function_epilogue, mips16_constant,
16872 build_mips16_function_stub, mips_output_conditional_branch):
16874 (mips_va_start): Remove unused variable `u'.
16875 (mips_va_arg): Cast value to unsigned when comparing against one.
16877 (save_restore_insns, mips_expand_prologue): Add missing arg in
16878 call to `large_int'.
16880 * mips.h: Move prototypes to mips-protos.h.
16881 (data_section, memory_address_p, rdata_section,
16882 readonly_data_section, simple_epilogue_p, text_section): Delete
16883 prototypes delcared elsewhere.
16884 (mips_epilogue_delay_slots, print_options): Delete unused decls.
16886 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
16888 * mips.md: Delete extra args in call to `mips_move_2words'.
16890 * xm-iris6.h (alloca): Add prototype argument.
16892 * genpeep.c: Include "tm_p.h" in generated output file.
16894 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16896 * basic-block.h (find_edge_index): Change parameters.
16897 * flow.c (verify_edge_list): Pass basic_block parameters to
16898 find_edge_index instead of integers.
16900 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
16902 * combine.c (simplify_comparison): Use an unsigned shift to adjust
16905 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
16907 * gcc.1: Fix a formatting error.
16909 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16911 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
16912 i786, mn10200, mn10300, pdp11, v850.
16914 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
16916 * libgcc2.c (num_digits): Add prototype with
16917 __attribute__((const)).
16918 (__terminate): Add prototype.
16920 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
16922 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
16924 * alpha/alpha.c (print_operand): Fix type of `code'.
16925 (alpha_output_filename): Constify.
16926 * alpha/alpha.h: Move all function declarations ...
16927 * alpha/alpha-protos.h: ... here. New file.
16928 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
16929 (SECTION_FUNCTION_TEMPLATE): Likewise.
16931 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16933 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
16934 * expr.c (expand_expr): Likewise.
16935 (do_jump): Likewise.
16936 (do_store_flag): Pass ccp_store_flag to can_compare_p.
16937 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
16939 (enum can_compare_purpose): New.
16940 (can_compare_p): Adjust prototype.
16941 (prepare_cmp_insn, prepare_operand): Declare.
16942 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
16943 * optabs.c (cmp_available_p): Deleted.
16944 (expand_abs): Pass ccp_jump to can_compare_p.
16945 (can_compare_p): New arg PURPOSE. Check for combined optabs.
16946 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
16947 Call can_compare_p rather than cmp_available_p.
16948 (prepare_operand): No longer static.
16949 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
16950 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
16951 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
16952 sequence to use emit_cmp_and_jump_insns.
16953 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
16955 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
16957 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
16958 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
16959 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
16960 (plus (reg) (const_int 0))
16961 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
16963 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
16965 * rs6000.c (expand_block_move): DImode loads and stores require
16966 word-aligned displacements. Increment address registers with
16967 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
16969 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
16971 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
16972 is no name for the base type, rather than segfault. If we are
16973 writing out a complex integer type, use DW_ATE_lo_user.
16975 * expr.c (emit_move_insn_1): If we are copying a complex that fits
16976 in one word or less (complex char, complex short, or on 64 bit
16977 systems complex float) to/from a hard register, copy it through
16978 memory instead of dying in gen_{real,imag}part. If we have a
16979 short complex type, prevent inlining since it allocates stack
16982 * tree.c (build_complex_type): If we are writing dwarf2 output,
16983 generate a name for complex integer types.
16985 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16987 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
16988 * flow.c (remove_edge): Remove extra whitespace.
16989 (remove_fake_edges): Fix comment.
16990 (add_noreturn_fake_exit_edges): Use the correct name.
16992 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
16994 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
16995 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
16996 (clean): Depend on INTL_CLEAN.
16997 (maintainer-clean): Adjust.
16999 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17001 * configure.in (AC_PREREQ): Bump to 2.13.
17002 (AC_C_STRINGIZE): Call this instead of using a custom macro.
17004 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
17006 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
17008 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
17010 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
17011 (HAVE_STRINGIZE): Define.
17013 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
17015 * c-parse.in: save and restore warn_pointer_arith on __extension__
17016 along with pedantic.
17017 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
17018 Set the type of extension to itype rather than $<itype>1 kludge.
17019 * extend.texi (Alternate Keywords): Adjust documentation.
17020 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
17022 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
17024 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
17025 most assembler templates.
17027 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
17028 FP loads and stores.
17029 (following_call): Always return zero for the PA8000.
17030 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
17031 FP loads and stores.
17032 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
17034 * pa.h (BRANCH_COST): Define.
17036 * pa.md (return, return_internal): Use bve for PA2.0.
17038 * pa.md (fused multiply): Add variants which reduce height for the
17039 fused multiply, but which still generate 2 insns.
17040 (fnegabs): Similarly.
17042 * pa.md (subsi3): Turn into an expander. Create two anonymous
17043 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
17044 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
17046 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
17048 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
17050 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
17051 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
17053 * regclass.c (init_regs): Add "top_of_stack" as a garbage
17056 * flow.c (record_active_eh_regions): Terminate loop after finding
17057 the last insn in the last basic block.
17059 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17061 * config/c4x/c4x.md: Delete parallel instruction peepholes.
17063 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17065 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
17067 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17069 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
17070 splitting to not use output template.
17072 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17074 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
17075 * config/c4x/c4x.c (c4x_va_start): New function.
17077 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
17079 * genrecog.c (not_both_true): Handle correctly cases when called for
17080 tests with different positions in the insn.
17082 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17084 * machmode.h (HOST_PTR_PRINTF): Move from here ...
17086 * system.h (HOST_PTR_PRINTF): ... to here.
17088 * mips-tfile.c: Don't include machmode.h.
17090 * Makefile.in (MACHMODE_H): New variable. Update to use it.
17091 (mips-tfile.o): Don't depend on machmode.h.
17093 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17095 * haifa-sched.c (sched_analyze): Rename local variable `region' to
17096 avoid conflicts with typedef struct `region' at the top level scope.
17098 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
17100 * basic-block.h (basic_block): Add eh_beg, eh_end.
17101 * flow.c (entry_exit_blocks): Update.
17102 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
17103 Call new functions.
17104 (find_basic_blocks_1): Don't record eh_list at each bb. Use
17105 lists.c functions to allocate insn lists.
17106 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
17108 (make_eh_edge): ... here. New.
17109 (move_stray_eh_region_notes): New.
17110 (record_active_eh_regions): New.
17111 (delete_unreachable_blocks): Split out block merging ...
17112 (try_merge_blocks): ... here. New.
17113 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
17114 Dump debugging data.
17115 (merge_blocks_move_successor_nojumps): Likewise.
17116 (merge_blocks): Use eh_beg+eh_end to validate block movement.
17118 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17120 * extend.texi (Bound member functions): Document unbound pmf
17123 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17125 * flow.c (split_edge): Handle insertion on a fallthrough edge which
17126 has the EXIT_BLOCK as a dest.
17128 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17130 * flow.c (remove_edge): New function to remove an edge from the
17132 (remove_fake_successors): New function to remove fake successor edges.
17133 (remove_fake_edges): New function to remove all fake edges from the
17135 (add_fake_exit_edges): New function to add fake edges from all blocks
17136 with no successors to the exit block.
17137 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17138 prototypes for new functions.
17140 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17142 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17143 Use Pmode to determine whether to output .dword or .word.
17145 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17147 * tree.c (built_in_filename): New variable.
17148 (BUILT_IN_FILENAME): New macro.
17149 (init_tree_codes): Allocate built_in_filename.
17150 (make_node): Use built_in_filename instead of string constant.
17152 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17154 * configure.in: Add fr30 target.
17155 * configure: Regenerate.
17156 * config/fr30: New directory.
17157 * config/fr30/crti.asm: New file.
17158 * config/fr30/fr30.c: New file.
17159 * config/fr30/crtn.asm: New file.
17160 * config/fr30/fr30.h: New file.
17161 * config/fr30/fr30.md: New file.
17162 * config/fr30/lib1funcs.asm: New file.
17163 * config/fr30/t-fr30: New file.
17164 * config/fr30/xm-fr30.h: New file.
17166 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17168 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17169 BARRIER at the end of the successor, not the BARRIER before
17172 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17174 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17176 * stmt.c (any_pending_cleanups): Don't crash when
17177 current_function->stmt is unset.
17179 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17181 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17182 other initializations that may use it for relative offsets.
17184 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17186 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17187 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17188 * config/i386/sol2dbg.h: Removed.
17189 * config/i386/sol2gas.h: New file, to enable gas work-around.
17190 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17191 Don't use sol2dbg.h.
17192 * configure: Rebuilt.
17194 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17196 * invoke.texi (-fthis-is-variable): Remove documentation.
17198 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17200 * basic-block.h (compute_bb_for_insn): Declare.
17201 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17202 to use; set size of basic_block_for_insn directly.
17203 (find_basic_blocks): Update.
17205 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17207 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17209 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17211 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17212 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17214 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17216 * c-decl.c (c_decode_option): Extend comment.
17218 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17220 * toplev.c (progname): Make 'const char *'
17221 (flag_print_mem): Move out of main.
17222 (version_flag): Move out of main.
17223 (filename): Move out of main.
17224 (debug_args): Remove g prefix from options.
17225 (documented_lang_options): Remove cpplib specific options.
17226 (display_help): Add g prefix to debug options.
17227 (check_lang_option): Delete this function.
17228 (decode_d_option): New function: Decode -d... option.
17229 (decode_f_option): New function: Decode -f... option.
17230 (decode_W_option): New function: Decode -W... option.
17231 (decode_g_option): New function: Decode -g... option.
17232 (independent_decode_option): New function: Decode a language
17233 independent command line option.
17234 (main): Invoke lang_decode_option and then
17235 independent_decode_option on each command line option in
17238 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17240 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17241 * fold-const.c (fold_range_test): Do not try to fold the range
17242 test if the rhs or lhs has side effects.
17244 * basic-block.h (compute_flow_dominators): Declare.
17246 * gcse.c (alloc_code_hoist_mem): New function.
17247 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17248 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17249 (hoist_code, one_code_hoisting_pass): Likewise.
17250 (gcse_main): If optimizing for size, then hoist expressions
17251 computed in multiple dominated basic blocks.
17253 * gcse.c (invalid_nonnull_info): New function.
17254 (delete_null_pointer_checks): Likewise.
17255 * rtl.h (delete_null_pointer_checks): Declare.
17256 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17258 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17259 (merge-blocks_move_successor_nojumps): Likewise.
17260 (merge_blocks): Allow merging of some blocks, even if it requires
17261 physical movement of the blocks, but not if it requires new jumps.
17263 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17264 Callers and prototype changed.
17265 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17267 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17269 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17270 -YP when both -p and -pg are present. From i386/sol2.h.
17272 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17274 * Makefile.in (distclean): Delete tm_p.h.
17275 * configure.in: Create a new file, "tm_p.h", from a list in
17276 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17277 "i386/i386-protos.h".
17279 * alias.c: Include "tm_p.h".
17280 * c-typeck.c: Likewise.
17281 * calls.c: Likewise.
17283 * emit-rtl.c: Likewise.
17284 * explow.c: Likewise.
17285 * expmed.c: Likewise.
17286 * expr.c: Likewise.
17287 * final.c: Likewise.
17288 * flow.c: Likewise.
17289 * fold-const.c: Likewise.
17290 * function.c: Likewise.
17291 * gcse.c: Likewise.
17292 * global.c: Likewise.
17293 * haifa-sched.c: Likewise.
17294 * integrate.c: Likewise.
17295 * jump.c: Likewise.
17296 * local-alloc.c: Likewise.
17297 * loop.c: Likewise.
17298 * optabs.c: Likewise.
17299 * recog.c: Likewise.
17300 * reg-stack.c: Likewise.
17301 * regclass.c: Likewise.
17302 * regmove.c: Likewise.
17303 * reload.c: Likewise.
17304 * reload1.c: Likewise.
17305 * reorg.c: Likewise.
17306 * resource.c: Likewise.
17307 * stmt.c: Likewise.
17308 * stor-layout.c: Likewise.
17309 * toplev.c: Likewise.
17310 * tree.c: Likewise.
17311 * unroll.c: Likewise.
17312 * genattrtab.c (main): Make generated file include "tm_p.h".
17313 * genemit.c (main): Likewise.
17314 * genoutput.c (main): Likewise.
17315 * genrecog.c (main): Likewise.
17317 * i386.h: Delete all prototypes.
17318 * i386.c: Include "tm_p.h".
17319 (ix86_attr_length_default): Call constant_call_address_operand
17320 with correct number of arguments.
17321 * i386-protos.h: New file.
17322 * i386.md (unnamed patterns): Call constant_call_address_operand
17323 with correct number of arguments.
17324 (exception_receiver): Call load_pic_register with correct number
17327 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17329 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17331 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17333 * rtl.h (insns_safe_to_move_p): New function.
17334 * loop.c (find_and_verify_loops): Use it.
17335 * rtlanal.c (insns_safe_to_move_p): Define it.
17337 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17339 * c-pragma.c: Include ggc.h.
17340 * Makefile.in (c-pragma.o): Update.
17342 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17344 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17345 (LIB_SPEC): Likewise.
17346 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17347 Reindent -YP/-p/-pg.
17348 Copied from config/sparc/sol2.h.
17350 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17352 * c-pragma.c (mark_align_stack): New.
17353 (init_pragma): New.
17354 * c-pragma.h (init_pragma): Declare it.
17355 * c-lex.c (init_parse): Call it.
17357 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17359 * configure.in: Pick up thread library on Solaris/x86 just
17360 like on Solaris/sparc.
17361 * configure: Rebuilt.
17363 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17365 * rtl.h (global_rtx_index): New enum.
17366 (global_rtl): Change to array of rtx.
17367 (pc_rtx, cc0_rtx): Redefine accordingly.
17368 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17369 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17370 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17371 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17372 (const_int_rtx): Change to array of rtx.
17373 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17375 * emit-rtl.c (global_rtl): Change to array of rtx.
17376 (const_int_rtx): Change to aray of rtx.
17377 (gen_rtx_CONST_INT): Redefine accordingly.
17378 (init_emit_once): Allocate and initialize global_rtl. Likewise
17379 for const_int_rtx. Add both as GC roots.
17380 * genattrtab.c (global_rtl): Update declaration.
17382 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17384 * Makefile (USER_H): Add iso646.h back.
17386 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17388 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17389 zapping the LOG_LINKS of sched_before_next_call.
17391 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17392 * pa.c (insn_refs_are_delayed): Renamed from
17393 insn_sets_and_refs_are_delayed.
17395 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17397 * functiion.h (struct function): Add x_whole_function_mode_p.
17398 (retrofit_block): Declare.
17399 * function.c (retrofit_block): New function.
17400 (identify_blocks): Add assertions. Allow an incomplete set of
17401 block notes if we're still generating code for the function.
17402 * integrate.c: Include loop.h.
17403 (expand_inline_function): Call find_loop_tree_blocks to map block
17404 notes to blocks when in whole-function mode. Use retrofit_block
17405 to insert new BLOCKs for the inlined function, rather than
17407 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17408 * Makefile.in (integrate.o): Depend on loop.h.
17410 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17412 * tree.h (warn_about_unused_variables): Declare.
17413 * stmt.c (warn_about_unused_variables): New function, split out
17415 (expand_end_bindings): Here.
17417 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17419 * stmt.c (preserve_subexpressions_p): Don't crash when
17420 current_function->stmt is unset.
17422 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17424 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17425 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17426 (expand_start_target_temps): Use it.
17427 * except.c (expand_eh_region_start_for_decl): Likewise.
17428 * expr.c (expand_expr): Likewise.
17430 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17432 * fold-const.c (operand_equal_p): Pay attention to side effects.
17434 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17436 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17437 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17439 * tlink.c (scan_linker_output): Look for keywords before accepting
17440 a mangled name in quotes.
17442 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17444 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17445 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17447 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17449 * alpha.md: Revert Thu Nov 26 change that came in through the
17450 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17451 Avoid earlyclobber when possible.
17453 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17455 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17457 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17458 Define HAVE_ON_EXIT.
17460 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17462 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17463 CTYPE_CONV in all ctype macros.
17465 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17468 * cexp.y (initialize_random_junk): Likewise.
17470 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17472 * i370.c (handle_pragma): Likewise.
17474 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17476 * v850.c (override_options): Likewise.
17478 * doprint.c (_doprnt): Likewise.
17480 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17483 * fixinc/server.c (load_data): Likewise.
17485 * fold-const.c (real_hex_to_f): Likewise.
17487 * genattr.c (write_upcase, gen_attr): Likewise.
17489 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17490 write_upcase): Likewise.
17492 * genemit.c (print_code): Likewise.
17494 * genopinit.c (gen_insn): Likewise.
17496 * genpeep.c (print_code): Likewise.
17498 * genrecog.c (print_code): Likewise.
17500 * optabs.c (init_libfuncs): Likewise.
17502 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17504 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17506 (reemit_notes): Likewise.
17508 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17510 * ggc.h (ggc_root): Move to ggc-common.c.
17512 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17513 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17514 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17515 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17516 * ggc-common.c (ggc_root): Move from ggc.h.
17517 (roots): Declare, static.
17518 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17519 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17520 null or check/set mark bit.
17521 (ggc_mark_roots): New.
17522 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17524 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17526 * m32r.c: Include toplev.h.
17527 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17528 (gen_compare): Rename swap_p to must_swap to match uses.
17529 Add default abort case.
17530 (m32r_output_function_epilogue): Remove unused variables.
17531 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17532 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17533 define to empty parameter list. Update all uses.
17534 (predicate decls): Use enum machine_mode not int.
17535 * m32r.md (movsi): Call abort, not fatal_insn.
17536 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17538 1999-09-14 Andrew Haley <aph@cygnus.com>
17540 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17541 use $0 instead of 0.
17543 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17545 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17546 computation out of loop over hard regs.
17548 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17550 * function.c (identify_blocks): Don't shadow a variable in an
17552 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17553 pushdecl, or poplevel to build up the new BLOCK tree.
17554 (expand_inline_function): Likewise.
17555 (integrate_parm_decls): Likewise.
17557 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17559 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17561 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17563 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17564 * invoke.texi: Document this change.
17566 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17568 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17570 (mark_emit_status): Renamed from mark_emit_state.
17571 * except.c (mark_eh_status): Renamed from mark_eh_state.
17572 Check not null before marking.
17573 (free_eh_status): New.
17574 * expr.c (mark_expr_status, free_expr_status): New.
17575 * function.c (free_machine_status): New.
17576 (free_after_parsing): New.
17577 (free_after_compilation): Move bits to free_after_parsing; call
17578 free_eh_status, free_expr_status; zero the marked members of the
17580 (prepare_function_start): No can_garbage_collect.
17581 Call init_eh_for_function.
17582 (expand_dummy_function_end): Free up current_function state.
17583 (mark_function_status): Renamed from mark_function_state.
17584 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17585 * function.h (struct function): No can_garbage_collect.
17586 (free_machine_status, free_after_parsing): Declare.
17587 (free_eh_status, free_expr_status): Declare.
17588 * ggc.h (mark_expr_status): Declare.
17589 * stmt.c (free_stmt_status): Free the struct.
17590 (mark_stmt_status): Renamed from mark_stmt_state.
17591 (init_stmt): Don't call init_eh.
17592 (init_stmt_for_function): Don't call init_eh_for_function.
17593 * toplev.c (compile_file): Call init_eh.
17594 (rest_of_compilation): Free basic block info before ggc_collect.
17595 Call free_after_parsing; conditionally call free_after_compilation.
17596 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17597 Check not null before marking.
17598 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17600 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17602 * c-lex.c (yylex): Initialize warn.
17604 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17606 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17607 register when performing secondary reloads for the SAR register.
17609 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17611 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17612 (NOTE_BLOCK): New macro.
17613 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17614 * function.h (identify_blocks): Change prototype.
17615 * function.c (identify_blocks): Simplify.
17616 (reorder_blocks): Likewise.
17617 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17618 NOTE_INSN_BLOCK_{BEG,END}.
17619 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17620 the list of saved notes if the note isn't a
17621 NOTE_INSN_BLOCK_{BEG,END}.
17622 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17624 (reemit_notes): Adjust recreation of notes to reflect new saved
17626 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17627 printing a block note.
17628 * stmt.c (block_vector): Remove.
17629 (find_loop_tree_blocks): Simplify.
17630 (unroll_block_trees): Likewise.
17631 * tree.h (reorder_block): Change prototype.
17633 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17635 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17636 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17637 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17638 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17639 (atexit, exit): Simplify.
17640 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17641 * config/lots: Remove defns of HAVE_ATEXIT.
17643 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17645 * calls.c (precompute_arguments): Fix typo in comment.
17646 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17649 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17651 * dsp16xx.c (override_options): Fix typos in GC root registration.
17653 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17655 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17656 from config/svr4.h.
17657 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17658 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17659 (CC1_SPEC): Likewise.
17661 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17663 * genattr.c (main): Add extern prototype. Call return, not exit.
17664 * genattrtab.c (main): Likewise.
17665 * gencheck.c (main): Likewise.
17666 * gencodes.c (main): Likewise.
17667 * genconfig.c (main): Likewise.
17668 * genemit.c (main): Likewise.
17669 * genextract.c (main): Likewise.
17670 * genflags.c (main): Likewise.
17671 * gengenrtl.c (main): Likewise.
17672 * genopinit.c (main): Likewise.
17673 * genoutput.c (main): Likewise.
17674 * genpeep.c (main): Likewise.
17675 * genrecog.c (main): Likewise.
17677 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17678 * genattrtab.c (get_insn_name): Likewise.
17679 * gencodes.c (get_insn_name): Likewise.
17680 * genconfig.c (get_insn_name): Likewise.
17681 * genemit.c (get_insn_name): Likewise.
17682 * genextract.c (get_insn_name): Likewise.
17683 * genflags.c (get_insn_name): Likewise.
17684 * genopinit.c (get_insn_name): Likewise.
17685 * genpeep.c (get_insn_name): Likewise.
17687 * gencheck.c (usage): Add static prototype.
17688 * genextract.c (print_path): Constify a char*.
17689 * genopinit.c (optabs): Likewise.
17690 * genoutput.c (operand_data, data, output_predicate_decls,
17691 compare_operands): Likewise.
17692 * genrecog.c (write_tree): Add default case in switch.
17694 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17696 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17698 * print-rtl.c (get_insn_name): Remove prototype.
17700 * toplev.h (progname): Declare const.
17702 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17703 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17704 dump_sched_info, dump_local_alloc, regset_release_memory,
17705 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17706 error_with_file_and_line, error_with_decl, error_for_asm, error,
17707 fatal, warning_with_file_and_line, warning_with_decl, warning,
17708 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17709 Remove redundant prototypes.
17711 (notice, check_lang_option, report_file_and_line, vnotice,
17712 mark_file_stack): Add static prototype.
17713 (set_fatal_function): Add prototype.
17714 (vnotice, report_file_and_line, set_fatal_function,
17715 check_lang_option): Constify a char*.
17716 (main): Prototype. Call return, not exit.
17718 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17720 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17722 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17724 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17726 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17728 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17730 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17731 behave as if it's zero in all cases.
17732 (expand_function_start): Adjust call to assign_parms.
17733 * tree.h (assign_parms): Adjust prototype.
17734 * objc/objc-act.c (hack_method_prototype): Adjust call to
17737 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17739 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17740 arg_pointer_rtx fixed if the argument pointer register is
17742 (NONZERO_BASE_PLUS_P): Likewise.
17744 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17746 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17747 match_insn2 to match_insn.
17748 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17750 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17752 * Makefile.in (USER_H): Remove va-foo.h.
17754 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17755 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17756 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17757 va-spur.h,va-v850.h}: Remove.
17759 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17761 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17762 (in_return_delay): Use it instead of match_insn.
17764 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17766 * config/alpha/va_list.h (va-alpha.h): Do not include.
17767 (__gnuc_va_list): Typedef as in varargs.h.
17769 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17771 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17772 DECL_LIVE_RANGE_RTL.
17774 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17776 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17777 not NOTE_BLOCK_NUMBER.
17778 (expand_eh_region_end): Likewise.
17779 (find_exception_handler_labels): Likewise.
17780 (scan_region): Likewise.
17781 (exception_optimize): Likewise.
17782 (update_rethrow_references): Likewise.
17783 (set_insn_eh_region): Likewise.
17784 * final.c (final_scan_insn): Likewise.
17785 * flow.c (make_edges): Likewise.
17786 * integrate.c (expand_inline_function): Likewise.
17787 * print-rtl.c (print_rtx): Likewise.
17789 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17791 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17792 terms of builtin functions and types.
17794 * mips.c (mips_build_va_list): New.
17795 (mips_va_start, mips_va_arg): New.
17796 * mips.h (BUILD_VA_LIST_TYPE): New.
17797 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17799 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17800 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17801 * sh.h (BUILD_VA_LIST_TYPE): New.
17802 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17804 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17806 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17807 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17808 (struct insn_data): Likewise with n_operands, n_dups,
17809 n_alternatives, output_format.
17810 * regclass.c (scan_one_insn): Cast n_operands to int before
17811 arithmetic inside comparison.
17813 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17815 * toplev.c (compile_function): Unconditionally emit nop.
17817 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17819 * haifa-sched.c (actual_hazard): Move declaration of variable
17820 `this_cost' into the scope where it is used.
17822 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17824 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17825 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17826 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17828 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17830 * jump.c (find_insert_position): Don't declare or define unless
17831 !HAVE_conditional_arithmetic.
17832 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17834 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17836 * recog.c (offsettable_address_p): Prototype function pointer.
17837 (preprocess_constraints): Call memset, not bzero.
17839 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17840 (gcc_obstack_init): Don't declare.
17841 (fix_sizetype): Add static prototype.
17842 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17843 (tree_cons): Call memset, not bzero.
17845 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17846 definition in macro ASM_WEAKEN_LABEL.
17847 (mark_const_hash_entry): Add static prototype.
17849 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17851 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17853 * unroll.c (find_common_reg_term, subtract_reg_term,
17854 loop_find_equiv_value): Add static prototypes.
17855 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17856 (copy_loop_body): Remove unreachable break statement.
17858 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17860 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17862 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17864 Undo some changes from the gcc2 merge:
17865 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17866 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17870 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17871 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17872 initialized float-int union if the value is a NaN.
17874 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17876 * gthr-win32.h: New file.
17878 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17879 shared as a valid attribute.
17880 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17881 * extend.texi: Document `shared' variable attribute.
17883 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
17885 * configure.in: Handle --enable-threads on FreeBSD.
17886 * configure: Rebuit.
17888 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17890 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
17892 * configure: Rebuilt.
17894 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
17895 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
17896 Rosimildo DaSilva <rdasilva@connecttel.com>
17898 * configure.in (m68k-*-rtemscoff*): Added.
17899 * configure.in (mips64orion-*-rtems*): Converted to ELF.
17900 * configure.in (sparc-*-rtemsaout*): Added as alias for old
17901 sparc-rtems configuration.
17902 * configure.in (sparc-*-rtemself*): Added.
17903 * configure.in (sparc-*-rtems*): Now ELF not a.out.
17904 * config/i386/rtems.h: Added comment.
17905 * config/sparc/rtemself.h: New file.
17907 * configure.in (m68k-rtemself): Added.
17908 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
17909 and DWARF_DEBUGGING_INFO.
17910 * config/m68k/crti.s: New file.
17911 * config/m68k/crtn.s: New file.
17912 * config/m68k/t-crtstuff: New file.
17913 * config/m68k/rtemself.h: New file.
17915 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
17916 global ctor/dtor and C++ exception handling.
17917 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
17918 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
17920 * config/i386/t-rtems-i386: New File.
17922 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
17924 * stmt.c (expand_end_case): Return right away if the case stack is
17927 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
17929 * Makefile.in (version.c): Remove rule incorrectly brought in from
17932 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
17934 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
17935 * msdos/top.sed: Take into account a prepended $(SHELL) to
17937 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
17939 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
17941 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17943 * regmove.c (fixup_match_1): Don't change an unchanging register.
17944 (stable_but_for_p): Renamed to:
17945 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
17946 Changed all callers.
17948 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
17950 * loop.c (strength_reduce): Don't call reg_used_between_p if the
17951 insn from BL2 is after the insn from BL.
17953 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
17955 * recog.h (INSN_OUTPUT_FORMAT_*): New.
17956 (struct insn_data): Merge `template' and `outfun' into `output'.
17957 Add `output_format'.
17958 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
17959 (struct data): Remove `outfun'; add `output_format'.
17960 (name_for_index): Remove declaration.
17961 (output_insn_data): Handle output formats.
17962 (process_template): Emit the bare array for @.
17963 (gen_expand, gen_split): Set output_format to NONE.
17964 * output.h (get_insn_template): Declare.
17965 * final.c (get_insn_template): New.
17966 (final_scan_insn): Use it.
17967 * toplev.c (compile_file): Likewise.
17969 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17970 * i860/i860.c (output_delayed_branch): Likewise.
17971 (output_delay_insn): Likewise.
17973 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17975 * rtl.c (obstack_alloc_rtx): Removed.
17977 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
17979 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
17981 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
17983 * i386.c (call_insn_operand): Reject const_int.
17984 (expander_call_insn_operand): Use call_insn_operand.
17986 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17988 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
17990 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
17992 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
17993 Use DImode operation.
17995 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
17997 * gcc.c: Include sys/resource.h.
17998 (report_times): New flag.
17999 (execute): If report_times is set, calculate and report the
18000 CPU time consumed by each subprocess.
18002 (rus, prus): New globals.
18003 (option_map): Add --time.
18004 (display_help): Document -time.
18005 (process_command): Set report_times if -time is given.
18006 Turn off -pipe if -time is given.
18008 * invoke.texi: Document new option -time.
18010 * configure.in: Check for getrusage. Check if we have to
18011 prototype getrusage.
18012 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
18013 * configure: Regenerate.
18014 * config.in: Regenerate.
18016 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
18018 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
18021 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
18023 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
18024 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
18025 (nan): Return _thenan_sf or _thenan_df as appropriate.
18026 (L_thenan_sf): Define _thenan_sf.
18027 (L_thenan_df): Define _thenan_df.
18029 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
18030 (DPBIT_FUNCS): Add _thenan_df.
18032 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
18034 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
18037 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18039 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
18042 (lang_specific_driver): Don't take a function pointer parameter.
18043 All callers changed.
18045 * gcc.c: Include gcc.h.
18046 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
18047 lang_specific_extra_outfiles, fatal): Don't declare.
18048 (multilib_defaults_raw): Constify.
18049 (read_specs): Call memset, rather than bzero.
18050 (main): Call return, not exit.
18051 (lookup_compiler): Call memcpy, not bcopy.
18052 (fatal): Make extern.
18054 * cppspec.c: Include gcc.h.
18055 (lang_specific_driver): Initialize variable `quote'. Constify a
18056 char*. All calls to the function pointer parameter now
18057 explicitly call `fatal'.
18059 * gccspec.c (lang_specific_driver): Include gcc.h.
18061 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
18063 * arm.c (note_invalid_constants): Use recog_data.operand_type
18066 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18068 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
18071 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
18072 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18073 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18074 reload_secondary_in_reload, reload_secondary_out_reload,
18075 reload_secondary_in_icode, reload_secondary_out_icode,
18076 reload_reg_rtx, reload_when_needed): Delete declarations.
18077 (struct reload): New structure.
18078 (rld): Declare new array.
18079 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
18080 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18081 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18082 reload_secondary_in_reload, reload_secondary_out_reload,
18083 reload_secondary_in_icode, reload_secondary_out_icode,
18084 reload_reg_rtx, reload_when_needed): Delete definitions.
18086 (whole file): Replace uses of the deleted arrays with uses of rld.
18087 * reload1.c (whole file): Replace uses of the deleted arrays with
18089 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
18090 explicit loops, not with bcopy.
18092 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
18094 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
18095 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
18096 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
18097 insn_name): Delete and consolidate into new structures.
18098 (insn_operand_predicate_fn): New.
18099 (insn_output_fn): New.
18100 (insn_gen_fn): New.
18101 (struct insn_operand_data): New.
18102 (struct insn_data): New.
18104 (OUT_FCN): Update for insn_data change.
18105 * builtins.c (expand_builtin_strlen): Likewise.
18106 (expand_builtin_memcmp): Likewise.
18107 * combine.c (make_extraction, simplify_comparison): Likewise.
18108 * cse.c (canon_reg, cse_insn): Likewise.
18109 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
18110 * expmed.c (store_bit_field, extract_bit_field): Likewise.
18111 (emit_store_flag): Likewise.
18112 * expr.c (convert_move, emit_block_move): Likewise.
18113 (clear_storage, emit_push_insn, expand_increment): Likewise.
18114 (do_store_flag): Likewise.
18115 * expr.h (GEN_FCN): Likewise.
18116 (insn_gen_function): Die.
18117 * final.c (final_scan_insn): Update for insn_data change.
18118 (output_asm_name): Likewise.
18119 * function.c (fixup_var_refs_1): Likewise.
18120 * loop.c (check_dbra_loop): Likewise.
18121 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
18122 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
18123 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
18124 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
18125 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
18126 * regmove.c (gen_add3_insn): Likewise.
18127 * reload.c (push_secondary_reload, combine_reloads): Likewise.
18128 (find_reloads, find_reloads_address_1): Likewise.
18129 (debug_reload_to_stream): Likewise.
18130 * reload1.c (emit_reload_insns, gen_reload): Likewise.
18131 * stmt.c (expand_end_case): Likewise.
18132 * toplev.c (compile_file): Likewise.
18134 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18135 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18137 * print-rtl.c (insn_name_ptr): Remove declaration.
18138 (get_insn_name): Declare.
18139 (print_rtx): Use it.
18140 * genoutput.c (insn_name_ptr): Remove.
18141 (next_operand_number): New.
18142 (struct operand_data): New.
18143 (null_operand, odata, odata_end): New.
18144 (struct data): Use struct operand_data.
18145 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18146 (get_insn_name): Renamed from name_for_index.
18147 (output_prologue): Define NO_MD_PROTOTYPES.
18148 (output_predicate_decls): Break out from output_epilogue.
18149 Iterate over the operands list.
18150 (output_operand_data): Break out from output_epilogue. Emit
18151 just the operands list.
18152 (output_insn_data): Break out from output_epilogue. Emit just
18154 (output_epilogue): Remove.
18155 (output_get_insn_name): New.
18156 (constraints, op_n_alternatives, predicates, address_p): Die.
18157 (modes, strict_low, seen): Die.
18158 (scan_operands): Take new param `d' instead of writing to
18159 seven global variables.
18160 (compare_operands): New.
18161 (place_operands): New.
18162 (validate_insn_alternatives): Update for struct data change.
18163 (gen_insn): Don't zero or copy 7 global arrays. Update for
18164 scan_operands; call place_operands.
18165 (gen_peephole, gen_expand, gen_split): Likewise.
18166 (main): Update for new output routines.
18168 * genattr.c (insn_name_ptr): Remove.
18169 (get_insn_name): New function.
18170 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18171 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18172 * genrecog.c: Likewise.
18174 * alpha.md (adddi3): Make `pattern' array static.
18176 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18178 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18179 c4x_cpu_version_string): Constify char *.
18180 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18181 c4x_cpu_version_string): Likewise.
18183 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18185 * tree.c (save_tree_status): Revert 10 Sep change.
18186 (restore_tree_status): Likewise. Call obstack_free with NULL
18187 before freeing the obstack proper.
18189 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18191 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18193 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18194 surrounding context.
18196 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18198 * tree.c (type_hash_canon): Put all types in the hash-table, when
18201 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18203 * recog.h (struct recog_data, recog_data): New.
18204 (recog_foo variables): Kill.
18205 * recog.c (recog_operand, recog_operand_loc): Kill.
18206 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18207 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18208 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18209 (recog_data): Define.
18210 (extract_insn): Update all recog_foo references to use recog_data.
18211 (preprocess_constraints, constrain_operands): Likewise.
18212 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18213 * genattrtab.c (main): Likewise.
18214 * genextract.c (main): Likewise.
18215 * genoutput.c: Likewise.
18216 * genrecog.c (write_subroutine, main): Likewise.
18217 * local-alloc.c (block_alloc): Likewise.
18218 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18219 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18220 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18221 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18222 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18223 (reload_cse_simplify_operands): Likewise.
18225 * arc/arc.c (arc_final_prescan_insn): Likewise.
18226 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18227 * h8300/h8300.c (notice_update_cc): Likewise.
18228 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18229 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18230 * mn10200/mn10200.c (notice_update_cc): Likewise.
18231 * mn10300/mn10300.c (notice_update_cc): Likewise.
18232 * romp/romp.c (update_cc): Likewise.
18233 * sparc/sparc.c (check_pic): Likewise.
18234 * v850/v850.c (notice_update_cc): Likewise.
18236 * genemit.c (main): Don't declare recog_operand.
18238 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18240 * ggc.h (rtvec_def): Forward declare.
18241 (tree_node): Likewise.
18242 (ggc_root): Define.
18244 (ggc_set_mark_rtx): Add prototype.
18245 (ggc_set_mark_rtvec): Likewise.
18246 (ggc_set_mark_tree): Likewise.
18247 * ggc-simple.c (ggc_root): Don't define.
18248 (roots): Don't declare.
18249 (ggc_mark_rtx): Remove.
18250 (ggc_mark_rtvec): Likewise.
18251 (ggc_mark_tree): Likewise.
18252 (ggc_mark_varray): Likewise.
18253 (ggc_mark_tree_hash_table_entry): Likewise.
18254 (ggc_mark_tree_hash_table): Likewise.
18255 (ggc_set_mart_rtx): New function.
18256 (ggc_set_mark_rtvec): Likewise.
18257 (ggc_set_mark_tree): Likewise.
18258 (ggc_add_root): Remove.
18259 (ggc_add_rtx_root): Likewise.
18260 (ggc_remove_tree_root): Likewise.
18261 (ggc_add_string_root): Likewise.
18262 (ggc_add_tree_varray_root): Likewise.
18263 (ggc_add_tree_hash_table_root): Likewise.
18264 (ggc_del_root): Likewise.
18265 (ggc_mark_rtx_ptr): Likewise.
18266 (ggc_mark_tree_ptr): Likewise.
18267 (ggc_mark_string_ptr): Likewise.
18268 (ggc_mark_tree_varray_ptr): Likewise.
18269 (ggc_mark_tree_hash_table_ptr): Likewise.
18270 * ggc-common.c: New file.
18271 * Makefile.in (OBJS): Add ggc-common.o.
18272 (ggc-common.o): List dependencies.
18274 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18276 * cppalloc.c (xstrdup): Use memcpy.
18277 * cpperror.c (cpp_print_containing_files): Don't use
18279 * cpplib.c (conditional_skip): Set temp->lineno.
18280 (do_endif): Make error message less obscure.
18281 (if_directive_name): New function.
18282 (cpp_get_token [case EOF]): Unwind the if stack and generate
18283 error messages for each unterminated conditional in this file.
18284 (parse_string): Do not behave differently if -traditional.
18286 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18288 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18289 va_list decomposing to pointer-type.
18290 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18291 (rs6000_va_arg): Likewise.
18293 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18295 * except.c (start_dynamic_handler): Compute size using
18296 STACK_SAVEAREA_MODE.
18298 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18300 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18301 include directory headers. Don't define strrchr. Don't provide
18302 my_* replacement functions. Prefer PTR over `pointer_type'.
18303 Don't prototype system functions. Don't redefine getopt.
18305 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18306 safe_read, safe_write, save_pointers, restore_pointers,
18307 is_id_char, in_system_include_dir, directory_specified_p,
18308 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18309 find_corresponding_lparen, referenced_file_is_newer,
18310 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18311 process_aux_info_file, identify_lineno, check_source,
18312 seek_to_line, forward_to_next_token_char, output_bytes,
18313 output_string, output_up_to, other_variable_style_function,
18314 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18315 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18316 find_static_definition, connect_defs_and_decs, add_local_decl,
18317 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18318 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18319 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18320 scan_for_missed_items, edit_file, string_list_cons): Add static
18322 (standard_exec_prefix, target_machine, target_version,
18323 default_syscalls_dir, string_list, string_list_cons, find_file,
18324 do_cleaning): Constify a char*.
18325 (safe_read, safe_write): Use PTR, not a char*.
18326 (is_id_char): Take an int, not a char.
18327 (main): Add prototype. Call return, not exit.
18329 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18331 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18332 when comparing types.
18334 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18336 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18337 (strength_reduce): Release the varrays from the no-bivs early exit.
18339 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18340 the loop over the registers.
18342 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18344 (restore_tree_status): Check that instead when freeing the obstack.
18346 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18348 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18351 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18353 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18354 operand size modifiers.
18356 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18358 * c-common.c (c_common_nodes_and_builtins): Don't build
18360 * c-common.h (enum c_tree_index and related accesor macros): Remove
18361 everything now declared in tree.h.
18362 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18363 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18364 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18365 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18366 unsigned_type_node, ptr_type_node, va_list_type_node,
18367 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18368 (init_decl_processing): Call build_common_tree_nodes and
18369 build_common_tree_nodes_2 instead of building their nodes here.
18370 Don't add roots for these nodes.
18371 * stor-layout.c (size_zero_node, size_one_node): Delete.
18372 (set_sizetype): Make a new node for bitsizetype each time.
18373 * tree.c (global_trees): New variable.
18374 (init_obstacks): Add a gc root for it.
18375 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18376 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18377 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18378 (build_common_tree_nodes): New function.
18379 (fix_sizetype): New function.
18380 (build_common_tree_nodes_2): New function.
18381 * tree.h (enum tree_index): New.
18382 (global_trees): Declare.
18383 Add accessor macros for all nodes now moved to global_trees.
18384 Delete their declarations.
18386 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18388 * c-decl.c (finish_function): When processing a nested function,
18389 push and pop GC context around rest_of_compilation.
18391 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18393 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18394 Default ix86_arch to PROCESSOR_I386.
18395 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18396 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18397 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18398 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18399 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18400 (EXTRA_SPECS): Remove deleted specs.
18402 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18404 * function.c (assign_stack_local_1): Allocate from
18405 function->x_frame_offset, not frame_offset.
18407 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18409 * ggc.h (lang_cleanup_tree): Remove.
18410 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18411 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18413 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18414 TYPE_LANG_SPECIFIC when garbage collecting.
18415 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18416 (lang_cleanup_tree): Remove.
18418 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18420 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18421 * crtstuff.c: Not here.
18422 * dwarf2out.c: Or here.
18423 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18426 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18428 * function.h (free_after_compilation): Remove decl parameter.
18429 (free_varasm_status0: Likewise.
18430 (free_emit_status): Likewise.
18431 (free_stmt_status): Likewise.
18432 (free_after_compilation): Likewise.
18433 (init_lang_status): New variable.
18434 (free_lang_status): Likewise.
18435 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18436 * function.c (init_lang_status): New variable.
18437 (free_lang_status): Likewise.
18438 (push_function_context_to): Don't set function::decl here.
18439 (free_after_copmilation): Make decl parameter implicit. Call
18440 free_lang_status if defined.
18441 (prepare_function_start): Call init_lang_status if defined.
18442 (init_function_start): Set function::decl here.
18443 * profile.c (output_func_start_profiler): Don't call pushdecl
18444 until we've actually started the function.
18445 * stmt.c (free_stmt_status): Make decl parameter implicit.
18446 * toplev.c (rest_of_compilation): Don't pass decl to
18447 free_after_compilation.
18448 * varasm.c (free_varasm_status): Likewise.
18450 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18452 * except.c (call_get_eh_context): Add root when allocating static
18455 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18457 * arm.c: Include "ggc.h".
18458 (arm_add_gc_roots): New function.
18459 (arm_override_options): Call it.
18460 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18462 * arm.md (define_asm_attributes): Add a pool_range attribute.
18464 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18466 * extend.texi (Volatiles): New node.
18468 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18470 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18471 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18472 (struct ggc_any): Replace `mark' with `magic_mark'.
18473 (ggc_alloc_string): Use memcpy, not bcopy.
18474 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18475 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18476 (ggc_free_any): New.
18477 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18478 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18479 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18480 Use IS_MARKED. Use ggc_free_any.
18482 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18484 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18486 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18488 * toplev.c (main): Always init_ggc.
18490 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18492 * except.c (find_all_handler_type_matches): Free the list if
18493 we found no matches.
18495 * combine.c (SUBST): Break out to a real function do_SUBST.
18496 (SUBST_INT): Likewise.
18497 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18498 (pre_insert): Free `inserted'.
18499 * loop.c (basic_induction_var): Always set `location'.
18501 * function.c (expand_function_end): Add initial_trampoline as a root.
18502 * rtl.h (init_varasm_once): Declare.
18503 * toplev.c (compile_file): Call it.
18504 * ggc-simple.c (ggc_mark_string_ptr): New.
18505 (ggc_add_string_root): New.
18506 (ggc_collect): Disable collection avoidance temporarily.
18507 * ggc.h (ggc_add_string_root): Declare.
18508 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18509 * optabs.c (init_libfuncs): Likewise.
18510 * varasm.c (named_section): Use ggc_alloc_string.
18511 (make_function_rtl): Likewise.
18512 (make_decl_rtl): Likewise.
18513 (assemble_static_space): Likewise.
18514 (assemble_trampoline_template): Likewise.
18515 (output_constant_def): Likewise.
18516 (force_const_mem): Likewise.
18517 (mark_const_hash_entry): New.
18518 (mark_pool_sym_hash_table): New.
18519 (mark_varasm_state): Use it.
18520 (init_varasm_once): New.
18522 * expr.h (init_one_libfunc): Declare.
18523 * optabs.c (init_one_libfunc): New.
18524 (init_optabs): Use it.
18525 * config/gofast.h: Likewise.
18526 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18527 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18529 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18531 * Makefile.in (cppexp.o): Depend on cpphash.h.
18532 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18534 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18535 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18536 redefining poisoned identifiers, etc.
18537 (do_undef): Don't allow poisoned identifiers to be undefined.
18538 (do_pragma): Add #pragma poison.
18539 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18541 * cccp.c: Add T_POISON node type.
18542 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18544 (do_define): Generalise to handle poisoned definitions,
18545 redefining poisoned identifiers, etc.
18546 (do_undef): Don't allow poisoned identifiers to be undefined.
18547 (do_pragma): Add #pragma poison.
18548 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18550 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18551 * c-pragma.h: Add ps_poison state. We now always have generic
18554 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18556 * ggc.h (ggc_alloc): New function.
18557 (ggc_mark): Likewise.
18558 * ggc-simple.c (ggc_any): New structure.
18559 (ggc_status): Add anys.
18560 (n_anys_collected): New variable.
18561 (ggc_alloc): Define.
18562 (ggc_mark): Likewise.
18563 (ggc_collect): Collect the anys.
18565 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18567 * c-decl.c (mark_binding_level): Make static to match prototype.
18569 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18571 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18573 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18575 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18576 will use into account. Expand the max width to 5.
18579 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18581 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18582 for the rtx length.
18584 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18586 * alpha.md (call value patterns): Remove the result predicates.
18588 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18590 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18593 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18595 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18596 changed from extern char *, to extern PTR. Also fix typo in
18597 NEED_DECLARATION_REALLOC test.
18599 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18601 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18603 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18604 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18605 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18606 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18608 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18610 * cccp.c (pcfinclude): Likewise.
18612 * global.c (allocno_compare): Likewise.
18614 * haifa-sched.c (rank_for_schedule): Likewise.
18616 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18618 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18620 * stupid.c (stupid_reg_compare): Likewise.
18622 * tree.c (_obstack_allocated_p): Likewise.
18624 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18626 1999-09-08 Bruce Korb autogen@linuxbox.com
18628 * Makefile.in: Give the hapless gperf user a hint about
18629 why "gperf -F" fails.
18631 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18633 * lists.c: Include ggc.h.
18635 (init_EXPR_INSN_LIST_cache): Install it.
18637 * ggc-simple.c (init_ggc): Absorb the old init.
18638 (ggc_push_context): Use xcalloc.
18639 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18640 (ggc_collect): Add [rvts] tags to the collection stats.
18642 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18644 * cccp.c (main): Fix handling of -include and -imacros options.
18646 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18648 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18650 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18652 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18655 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18657 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18658 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18659 and SET_DEST. Update comment.
18661 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18663 * config/c4x/c4x.c: Include ggc.h.
18664 (c4x_add_gc_roots): New function.
18665 (c4x_override_options): Call c4x_add_gc_roots.
18667 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18669 * defaults.h (TARGET_ESC): Move ...
18670 * system.h: ... here, where Linas had it in the first place. Silly me.
18672 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18674 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18675 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18676 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18677 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18678 * defaults.h (TARGET_ESC): Add default.
18680 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18682 * configure.in: add i370-*-openedition, i370-*-mvs and
18683 i370-*-linux targets
18685 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18687 * dsp16xxx.c: Include ggc.h
18688 (override_options): Mark GC roots.
18689 * mn10200.c: Include ggc.h.
18690 (asm_file_start): Mark GC roots.
18691 * tahoe.c: Include ggc.h.
18692 (extensible_operand): Mark GC roots.
18694 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18696 * README: Add section discussing status of ELF ABI.
18697 * i370.c: Fix misc spelling mistakes.
18698 (i370_label_scan): Updated notes, exception handling.
18699 (i370_function_prolog): Simplify ELF stack handling.
18700 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18701 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18702 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18703 * i370.md: (movdi): Add notes.
18704 (floatsidf2): Use stack not rtca for scratch float area.
18705 (iorsi3): Correct operand constraints.
18706 * x-oe: Restore TAROUTOPTS which are used by pax.
18708 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18710 * rs6000.c: Include ggc.h.
18711 (rs6000_add_gc_roots): New function.
18712 (override_options): Call it.
18714 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18716 * alpha.h (alpha_compare): New.
18717 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18718 * alpha.c: Likewise for the definitions.
18719 (alpha_emit_conditional_branch): Update for alpha_compare.
18720 (alpha_emit_conditional_move): Likewise.
18721 * alpha.md (cmpdf, cmpdi): Likewise.
18722 (setcc patterns): Likewise. Zero alpha_compare after use.
18723 (sne): Optimize (x != 0) into (0U < x).
18725 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18727 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18728 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18729 (INIT_EXPANDERS): Remove.
18730 * alpha.c: Include ggc.h.
18731 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18732 (alpha_init_machine_status, alpha_mark_machine_status): New.
18733 (override_options): Install them.
18734 (struct machine_function): Moved to alpha.h.
18735 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18736 (alpha_init_expanders): Remove.
18737 (alpha_return_addr): Adjust to use current_function->machine.
18738 (alpha_ra_ever_killed): Likewise.
18739 (alpha_expand_epilogue): Likewise.
18740 * alpha.md (eh_epilogue): Likewise.
18742 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18743 Melissa O'Neill <oneill@cs.sfu.ca>
18744 Geoffrey Keating <geoffk@cygnus.com>
18746 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18747 call-used registers (call-saved registers must still be contiguous
18748 and end with r31, of course).
18750 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18752 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18753 (self_promoting_type_p): Delete.
18754 (self_promoting_args_p): Move ...
18755 * c-common.c: ... here.
18756 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18757 (simple_type_promotes_to): New.
18758 * builtins.c (lang_type_promotes_to): New.
18759 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18760 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18761 * c-common.h: ... here.
18762 (self_promoting_args_p, simple_type_promotes_to): Declare.
18763 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18764 (grokdeclarator): Likewise.
18765 * tree.h (lang_type_promotes_to): Declare.
18767 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18769 Add some machine-dependent GC roots.
18770 * sparc.c: Include ggc.h.
18771 (sparc_add_gc_roots): New function.
18772 (mark_ultrasparc_pipeline_state): Likewise.
18773 (override_options): Call sparc_add_gc_roots.
18774 * pa.c: Include ggc.h.
18775 (pa_add_gc_roots): New function.
18776 (mark_deferred_plabels): Likewise.
18777 (override_options): Call pa_add_gc_roots.
18778 * mips.c: Include ggc.h.
18779 (mips_add_gc_roots): New function.
18780 (override_options): Use it.
18782 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18784 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18786 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18787 cpp_parse_expr): Add static prototypes.
18788 (parse_charconst): Don't cast away const-ness.
18789 (token): Constify a char*.
18791 * cppfiles.c (file_name_list, include_hash, find_include_file,
18792 finclude, initialize_input_buffer): Constify a char*.
18793 (file_cleanup, find_position): Add static prototypes.
18795 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18796 collect_expansion): Add static prototypes.
18797 (cpp_install, create_definition, monthnames): Constify a char*.
18799 * cpphash.h (cpp_install): Likewise.
18801 * cppinit.c (known_suffixes, default_include,
18802 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18803 (base_name, dump_special_to_buffer, initialize_dependency_output):
18804 Add static prototypes.
18806 * cpplib.c (my_strerror): Constify a char*.
18807 (null_underflow, null_cleanup, skip_comment, copy_comment,
18808 copy_rest_of_line, handle_directive, pass_thru_directive,
18809 get_directive_token, read_line_number, cpp_print_file_and_line,
18810 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18811 v_cpp_warning_with_line, detect_if_not_defined,
18812 consider_directive_while_skipping): Add static prototypes.
18813 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18814 cpp_pedwarn_with_file_and_line): Constify a char*.
18816 * cpplib.h (cpp_options, include_hash, progname, definition,
18817 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18818 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18819 find_include_file, deps_output, include_hash): Constify a char*.
18821 * cppmain.c (progname): Constify.
18822 (main): Add prototype. Use return, not exit.
18824 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18825 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18826 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18827 check_protection): Add static prototype.
18829 (progname, recognized_macrom, recognized_extern): Constify a char*.
18830 (main): Add prototype.
18832 * gen-protos.c (progname): Constify a char*.
18834 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18836 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18837 (init_emit_once): Add more GC roots.
18838 * except.c (mark_func_eh_entry): New function.
18839 (mark_eh_node): Mark false_label and rethrow_label.
18840 (init_eh): Add more GC roots.
18841 * function.c (free_after_compilation): Take decl as a paramter.
18842 Call free_stmt_status.
18843 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18845 * function.h (free_after_compilation): Change prototype.
18846 (free_varasm_status): Likewise.
18847 (free_emit_status): Likewise.
18848 (free_stmt_status): New function.
18849 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18850 Remove, replacing with ...
18851 (ggc_status): New structure.
18852 (ggc_chain): New variable.
18853 (init_gcc): Define.
18854 (ggc_push_context): New function.
18855 (ggc_pop_context): Likewise.
18856 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18857 (ggc_alloc_rtvec): Likewise.
18858 (ggc_alloc_tree): Likewise.
18859 (ggc_alloc_string): Likewise.
18860 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18861 (ggc_mark_tree): Give language-dependent code a chance to mark
18863 (ggc_mark_tree_varray): Handle empty arrays.
18864 (ggc_collect): Adjust for use of ggc_chain. Clear
18865 bytes_alloced_since_last_gc.
18866 * ggc.h (ggc_pop_context): New function.
18867 (ggc_push_context): Likewise.
18868 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18869 * stmt.c (free_stmt_status): New function.
18870 (init_stmt_for_function): Clear last_expr_value.
18871 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18872 Conditionalize call to ggc_collect.
18873 (main): Call init_ggc.
18874 * tree.c (push_obstacks): Do the push, even when GC'ing.
18875 (push_obstacks_nochange): Likewise.
18876 (pop_obstacks): Liekwise.
18877 * varasm.c (free_varasm_status): Take decl as a parameter.
18879 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18881 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18882 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18883 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18884 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
18886 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
18888 * pa/x-pa-mpeix: New file for the MPE port.
18890 * pa/quadlib.asm: New file for long double support.
18892 * configure.in: Add hppa1.0-*-mpeix for MPE port.
18893 * configure: Rebuilt.
18895 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
18897 * final.c (shorten_branches): Fix last change.
18899 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
18901 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
18903 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
18905 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
18908 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18910 * c-aux-info.c (concat): Don't define.
18912 * cccp.c (my_strerror): Likewise. All callers changed to use
18914 (do_include): Call xstrdup, not xmalloc/strcpy.
18915 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
18916 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
18918 * collect2.c (my_strsignal): Likewise. All callers changed to use
18920 (locatelib): Call xstrdup, not xmalloc/strcpy.
18922 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
18924 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
18926 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
18928 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
18930 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
18932 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
18934 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
18936 (find_all_handler_type_matches): Likewise. Don't check return
18938 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
18939 xmalloc, not malloc.
18940 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
18942 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
18943 (init_spec): Call xcalloc, not xmalloc/bzero.
18944 (set_spec): Call xstrdup, not save_string.
18945 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
18946 (find_a_file): Call xstrdup, not xmalloc/strcpy.
18947 (process_command): Call xstrdup, not save_string.
18948 (main): Call xcalloc, not xmalloc/bzero.
18950 * gcov.c (xmalloc): Don't define.
18951 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
18952 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
18953 (output_data): Call xcalloc, not xmalloc/bzero.
18955 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
18957 * mips-tdump.c (xmalloc): Don't define.
18958 (print_symbol): Call xmalloc, not malloc.
18959 (read_tfile): Call xcalloc, not calloc.
18961 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
18962 Don't define. All callers of xfree/my_strsignal changed to use
18963 free/strsignal instead.
18964 (allocate_cluster): Call xcalloc, not calloc.
18966 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
18967 Fix memory leak, free allocated memory.
18969 * prefix.c (translate_name): Call xstrdup, not save_string.
18970 (update_path): Likewise.
18972 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
18974 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
18975 Don't define. Callers of xfree/savestring2 changed to use
18976 free/concat instead.
18978 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
18979 (init_elim_table): Likewise.
18981 * resource.c (init_resource_info): Likewise.
18983 * stupid.c (stupid_life_analysis): Likewise.
18985 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
18986 (open_dump_file): Call concat, not xmalloc/strcpy/...
18987 (clean_dump_file): Likewise.
18988 (compile_file): Call xstrdup, not xmalloc/strcpy.
18990 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
18992 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
18993 * v850.c (v850_va_arg): New.
18995 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18997 * haifa-sched.c: Tidy comments.
18999 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19001 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
19002 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
19003 $(out_object_file)): Depend on ggc.h.
19004 * c-common.c: Include "ggc.h".
19005 (combine_strings): If doing GC, use ggc_alloc_string.
19006 * c-decl.c: Include "ggc.h".
19007 (ggc_p): Define with value 0.
19008 (mark_binding_level): New function.
19009 (init_decl_processing): Add GC roots.
19010 (mark_c_function_context): New function.
19011 (lang_mark_false_label_stack): New function.
19012 (lang_mark_tree): New function.
19013 (lang_cleanup_tree): New function.
19014 * c-lang.c: Include "ggc.h".
19015 (lang_init): Call c_parse_init.
19016 * c-lex.c: Include "ggc.h".
19017 (check_linenum): If doing GC, don't copy filenames to permanent
19019 * c-parse.in: Include "ggc.h".
19020 (c_parse_init): New function.
19021 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
19022 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
19024 * except.c (mark_eh_state): Mark more state.
19025 * function.c (mark_function_state): Likewise.
19026 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
19027 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
19028 * toplev.c (mark_file_stack): New function.
19029 (compile_file): If doing GC, use ggc_alloc_string on input filename.
19030 (main): Add root for input_file_stack.
19032 * i386.c: Include "ggc.h".
19033 (ix86_mark_machine_status): New function.
19034 (override_options): Set mark_machine_status.
19036 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19038 * tree.c (copy_node): Copy node contents also if doing GC.
19040 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19042 * collect2.c (scan_libraries): Fix double-thinko :-).
19044 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
19046 * collect2.c (scan_libraries): Fix thinko.
19048 * cse.c (delete_trivially_dead_insns): Do not skip the last
19049 insn if it is a real insn.
19051 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
19053 * Makefile.in (ggc-simple.o): Depend on hash.h.
19054 * ggc.h (ggc_add_tree_hash_table_root): Declare.
19055 (ggc_mark_tree_varray): Likewise.
19056 (ggc_mark_tree_hash_table): Likewise.
19057 * ggc-simple.c: Include hash.h.
19058 (ggc_mark_tree_hash_table_ptr): New function.
19059 (ggc_mark_tree_hash_table_entry): Likewise.
19060 (ggc_mark_tree_hash_table): Likewise.
19061 (ggc_add_tree_hash_table_root): Likewise.
19062 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
19063 rtx, when defining fields.
19065 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19067 * profile.c (output_func_start_profiler): Remove apparently
19068 nonsensical call to start_sequence.
19070 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
19072 * clipper/clipper.c (clipper_va_start): Fix typos.
19074 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
19075 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
19076 (spur_va_arg): New stub.
19078 * configure.in: Comment out pyramid.
19080 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
19082 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
19083 don't conflict with the bits that win32, cygwin, and dgux
19086 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
19087 Bernd Schmidt <bernds@cygnus.co.uk>
19089 * integrate.c (function_cannot_inline_p): Do not inline
19090 functions with forced labels.
19092 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
19093 Bernd Schmidt <bernds@cygnus.co.uk>
19094 Mark Mitchell <mark@codesourcery.com>
19096 * Makefile.in (ggc-simple.o): Depend on varray.h.
19097 (rtl.o): Depend on ggc.h.
19098 (genattrtab.o): Depend on ggc.h.
19099 (print-tree.o): Likewise.
19100 (fold-const.o): Likewise.
19101 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
19102 (make_insn_raw): Don't cache insns when GC'ing.
19103 (emit_insn_before): Likewise.
19104 (emit_insn_after): Likewise.
19105 (emit_insn): Likewise.
19106 (start_sequence): Use xmalloc to allocate the sequence_stack.
19107 (end_sequence): Add free to free it.
19108 (gen_sequence): Don't cache insns when GC'ing.
19109 (clear_emit_caches): Don't use sequence_element_free_list.
19110 (init_emit): Use xcalloc, not xmalloc+bzero.
19111 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
19112 * function.c (pop_function_context_from): Use free to free the
19113 fixup_var_refs_queue.
19114 (put_reg_into_stack): Allocate it with xmalloc.
19115 * genattrtab.c: Include ggc.h.
19116 (operate_exp): Don't use obstack_free when GC'ing.
19117 (simplify_cond): Likewise.
19118 (simplify_text_exp): Likewise.
19119 (optimize_attrs): Likewise.
19120 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
19122 (gencode): Generate a #include for ggc.h.
19123 * ggc-callbacks.c (ggc_p): Define it to zero.
19124 * ggc-none.c (ggc_p): Likewise.
19125 * ggc-simple.c: Include varray.h.
19126 (ggc_mark_tree_varray): New function.
19127 (ggc_add_tree_varray_root): Likewise.
19128 (ggc_mark_tree_varray_ptr): Likewise.
19129 * ggc.h (ggc_p): Declare.
19130 (varray_head_tag): Likewise.
19131 (ggc_add_tree_varray_root): Declare.
19132 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19133 inconsistencies when GC'ing.
19134 * rtl.c: Include ggc.h.
19135 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19136 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19137 (rtx_free): Don't call obstack_free when GC'ing.
19138 * toplev.c (rest_of_compilation): Call ggc_collect after every
19140 * tree.c (push_obstacks): Do nothing, if GC'ing.
19141 (pop_obstacks_nochange): Likewise.
19142 (pop_obstacks): Likewise.
19143 (make_node): Use ggc_alloc_tree when GC'ing.
19144 (copy_node): Likewise.
19145 (get_identifier): Use ggc_alloc_string when GC'ing.
19146 (build_string): Likewise.
19147 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19148 (tree_cons): Likewise.
19149 (build1): Likewise.
19150 (type_hash_canon): Don't call obstack_free when GC'ing.
19152 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19154 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19155 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19157 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19158 Bernd Schmidt <bernds@cygnus.co.uk>
19159 Mark Mitchell <mark@codesourcery.com>
19161 * Makefile.in (stor-layout.o): Depend on ggc.h.
19162 (expr.o): Depend on ggc.h.
19163 (profile.o): Depend on ggc.h.
19164 (stor-layout.o): Depend on ggc.h.
19165 * emit-rtl.c (init_emit_once): Add gc roots.
19166 * expr.c: Include ggc.h.
19167 (emit_block_move): Add gc roots.
19168 (clear_storage): Likewise.
19169 * expr.h (init_stor_layout_once): New function.
19170 * profile.c: Include ggc.h.
19171 (init_arc_profiler): profiler_label is a root.
19172 * scan.c (make_sstring_space): Trust xrealloc to function
19173 correctly with first parameter NULL.
19174 * stor-layout.c: Include ggc.h.
19175 (set_sizetype): Add gc root.
19176 (init_stor_layout_once): New function.
19177 * toplev.c (compile_file): Call it.
19179 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19180 Bernd Schmidt <bernds@cygnus.co.uk>
19181 Mark Mitchell <mark@codesourcery.com>
19183 * Makefile.in (tree.o): Depend on ggc.h.
19184 (varasm.o): Likewise.
19185 (function.o): Likewise.
19186 (stmt.o): Likewise.
19187 (except.o): Likewise.
19188 (optabs.o): Likewise.
19189 (emit-rtl.o): Likewise.
19190 * emit-rtl.c: Include ggc.h.
19191 (sequence_element_free_list): Remove, and all references.
19192 (mark_sequence): New functions.
19193 (mark_emit_state): New function.
19194 * except.c: Include ggc.h.
19195 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19196 (mark_tree_label_node): New functions.
19197 (mark_eh_state): New function.
19198 * function.c: Include ggc.h.
19199 (mark_temp_slot, mark_function_chain): New functions.
19200 (mark_function_state): New function.
19201 (init_function_once): New function.
19202 * function.h (init_function_once): New function.
19203 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19204 * ggc.h (label_node): Declare.
19205 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19206 (lang_mark_false_label_stack): New function.
19207 (mark_temp_slot): Remove declaration.
19208 (mark_function_chain): Likewise.
19209 (mark_eh_state): Adjust prototype.
19210 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19212 * optabs.c: Include ggc.h.
19213 (mark_optab): New function.
19214 (init_optabs): Add gc roots.
19215 * stmt.c: Include ggc.h.
19216 (mark_cond_nesting, mark_loop_nesting): New functions.
19217 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19218 (mark_stmt_state): New function.
19219 * toplev.c (compile_file): Call init_function_once.
19220 * tree.c: Include ggc.h.
19221 (type_hash): Move declaration earlier in file.
19222 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19223 (init_obstacks): Add gc roots.
19224 (mark_type_hash): New function.
19225 * varasm.c: Include ggc.h.
19226 (mark_pool_constant): New function.
19227 (mark_varasm_state): New function.
19229 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19231 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19233 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19235 * c-decl.c (struct language_function): Renamed from struct c_function.
19237 (c_function_chain): Delete.
19238 (push_c_function_context): New arg F. Don't warn about nested
19239 functions here. Fill LANGUAGE elt of F. Delete code to update
19240 c_function_chain. Don't call push_function_context.
19241 (pop_c_function_context): New arg F. Restore from there instead of
19242 from c_function_chain. Don't call pop_function_context. Clear out
19243 LANGUAGE field of F when done.
19244 * c-lang.c: Include "function.h"
19245 (lang_init): Initialize save_lang_status and restore_lang_status.
19246 * c-parse.in (nested_function, nested_function_notype): Warn about
19247 nested functions. Call push_function_context/pop_function_context
19248 instead of the _c_ variants.
19249 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19251 * Makefile.in (c-lang.o): Update dependencies.
19253 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19254 regno_pointer_flag, regno_pointer_align.
19255 (gen_reg_rtx): Use xrealloc to enlarge them.
19256 (free_emit_status): New function.
19257 * function.c (mark_machine_status, mark_lang_status): New variables.
19258 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19259 in some bits from assign_stack_local. All callers changed to use new
19261 (assign_stack_local): Just call assign_stack_local_1.
19262 (free_after_compilation): New function.
19263 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19264 (trampoline_address): Likewise.
19265 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19266 (prepare_function_start): Explicitly clear some more variables.
19267 * function.h (struct function): New elt can_garbage_collect.
19268 (mark_machine_status, mark_lang_status): Declare variables.
19269 (free_after_compilation, free_emit_status, free_varasm_status,
19270 init_varasm_status): Declare functions.
19271 * toplev.c (rest_of_compilation): Call free_after_compilation when
19272 done with the current function.
19273 * varasm.c (free_varasm_status): New function.
19275 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19277 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19278 (EXPAND_BUILTIN_VA_ARG): Define.
19279 * sparc.c (sparc_va_start): New.
19280 (sparc_va_arg): New.
19282 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19284 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19286 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19288 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19290 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19292 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19293 (OBJS): Add $(GGC).
19294 (ggc-callbacks.o): New target.
19295 * ggc-callbacks.c: New file.
19297 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19299 * expr.h: Collapse individual optab and libfunc vars to arrays.
19300 (optab_index, libfunc_index): New enumerations.
19301 (optab_table, libfunc_table): New arrays.
19302 Add accessor macros for both.
19304 * optabs.c (optab_table, libfunc_table): New.
19305 Delete declarations for individual optab and libfunc vars.
19307 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19309 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19311 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19313 * Makefile.in (GGC, GGC_LIB): New.
19314 (HOST_RTL): Include ggc-none.o.
19315 (ggc-simple.o): New target.
19316 (ggc-none.o): Likewise.
19317 * tree.h (tree_common): Add gc_mark.
19318 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19319 (struct rtvec_def): Add gc_mark.
19320 * emit-rtl.c (global_rtl): Update static initializers to contain
19321 enough initializers.
19322 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19323 * toplev.c (gc_time): New variable.
19324 (all_time): New variable.
19325 (compile_file): Print gc time.
19326 (print_time): Calculate percentage of the whole.
19328 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19330 Change obstack memory management and varasm constant pool handling so
19331 that nested functions are treated like any other functions.
19332 * function.c (init_machine_status): New variable.
19333 (push_function_context_to): Set contains_functions for the outer
19334 function. Don't call save_varasm_status.
19335 (pop_function_context_from): Don't call restore_varasm_status. Don't
19336 set current_function_contains_functions.
19337 (prepare_function_start): Call init_varasm_status rather than
19338 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19340 * function.h (struct function) Add field varasm. Delete fields
19341 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19342 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19343 (init_machine_status): Declare.
19344 (save_varasm_status, restore_varasm_status): Delete declarations.
19345 (save_tree_status, restore_tree_status): Delete last argument.
19346 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19347 code. All callers changed.
19348 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19349 save_constants_in_decl_trees, restore_constants, save_constants,
19350 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19352 (inlining): New variable.
19353 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19354 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19356 (save_for_inline_nocopy): Don't save constants.
19357 Don't set inl_emit field in current_function.
19358 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19359 function. Set new variable inlining before
19360 calling copy_rtx_and_substitute.
19361 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19362 constant pool references if inlining is nonzero.
19363 Delete ADDRESS and (most of the) CONST cases.
19364 (output_inline_function): Save and restore current_function/
19365 current_function_decl. Delete restore_constants code. Don't call
19366 init_const_rtx_hash_table.
19367 * output.h (init_const_rtx_hash_table): Don't declare.
19368 * rtl.h (struct function): Declare.
19369 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19370 * toplev.c (rest_of_compilation): Don't treat nested functions or
19371 functions containing them specially. Delete all code to deal with
19372 save_for_inline_copying.
19373 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19374 inline_obstacks): Delete variables.
19375 (save_tree_status): Lose arg CONTEXT. All callers changed.
19376 Simply allocate a new function_maybepermanent_obstack for the new
19377 function, delete all the special cases.
19378 Don't save inline_obstacks.
19379 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19380 Delete special handling for function_maybepermanent_obstack; simply
19382 Don't restore inline_obstacks.
19383 (permanent_allocation): Delete code that frees inline_obstacks.
19384 (print_inline_obstack_statistics): Delete function.
19385 (dump_tree_statistics): Don't call it.
19386 * varasm.c (struct varasm_status): New.
19387 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19388 last_pool, pool_offset, const_double_chain): Delete global
19389 variables, replace with accessor macros.
19390 (immed_double_const): Don't walk const_double_chain outside a
19391 function, but don't treat nested functions specially anymore.
19392 (immed_real_const_1): Likewise.
19393 (clear_const_double_mem): Don't treat nested functions specially.
19394 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19395 (save_varasm_status, restore_varasm_status): Delete functions.
19396 (init_varasm_status): New function.
19397 (force_const_mem): Don't treat nested functions specially.
19398 (find_pool_constant): Accept new arg F, search for constants in
19399 that function's pool rather than the current one. All callers
19401 (get_pool_constant_for_function, get_pool_mode_for_function): New
19404 * i386.c (init_386_machine_status): New function, mostly from
19405 clear_386_stack_locals.
19406 (struct machine_functions): Rename element names to avoid name
19408 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19409 macros, replacing global variables.
19410 (clear_386_stack_locals, save_386_machine_status,
19411 restore_386_machine_status): Delete functions.
19412 (override_options): Initialize init_machine_status.
19413 * i386.h (INIT_EXPANDERS): Delete macro.
19414 (save_386_machine_status, restore_386_machine_status,
19415 clear_386_stack_locals): Delete declarations.
19417 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19419 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19420 (doloop_begin): Simplify pattern and use emit_jump_insn.
19421 (doloop_end): Simplify pattern, switch operand order,
19422 and use emit_jump_insn.
19424 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19426 * function.h (struct function): Add new element LANGUAGE.
19427 (save_lang_status): Declare new variable.
19428 (restore_lang_status): Likewise.
19429 * function.c (save_lang_status): Define.
19430 (restore_lang_status): Likewise.
19431 (push_function_context_to): Call language-specific save function.
19432 (pop_function_context_from): Call language-specific restore function.
19434 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19436 * i386.md (movsf_1): Check REG_P before use of REGNO.
19437 (movdf_1): Likewise.
19438 (movxf_1): Likewise.
19439 (extendsfdf2): Likewise.
19440 (extendsfxf2): Likewise.
19441 (extenddfxf2): Likewise.
19443 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19445 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19446 constants into memory.
19447 (c4x_shiftable_constant): New function.
19448 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19449 (c4x_shiftable_constant): Declare.
19450 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19451 ashlqi3_noclobber): Add new patterns and associated splitters.
19453 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19455 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19456 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19457 * final.c (shorten_branches): Likewise.
19458 * global.c (global_alloc): Likewise.
19459 * haifa-sched.c (build_control_flow): Likewise.
19460 * stmt.c (check_for_full_enumeration_handling): Likewise.
19461 (estimate_case_costs): Likewise.
19463 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19465 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19467 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19469 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19470 (recompute_reg_usage): Likewise.
19471 * rtlanal.c (find_regno_fusage): Likewise.
19473 * rtl.c (rtl_check_failed_code1): New function.
19474 (rtl_check_failed_code2): New.
19475 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19476 (RTL_CHECKC1, RTL_CHECKC2): New.
19477 (XC*): New accessor macros.
19478 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19479 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19480 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19481 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19482 (TRAP_*, RANGE_INFO_*): Likewise.
19484 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19486 * Makefile.in (tlink.o): Don't depend on toplev.h.
19488 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19489 output_file, nm_file_name, ldd_file_name, strip_file_name,
19490 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19491 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19492 fork_execute, maybe_unlink, add_to_list,
19493 extract_init_priority, write_list, dump_list,
19494 dump_prefix_list, write_list_with_asm, write_c_file,
19495 write_c_file_stat, write_c_file_glob, scan_prog_file,
19496 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19497 ignore_library, extract_string, notice, dump_file, target_machine,
19498 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19499 read_file, print_load_command): Constify a char*.
19500 (fdopen, error, fatal, fatal_perror): Don't prototype.
19501 (my_strerror): Remove. All callers use xstrerror instead.
19502 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19503 (main): Add prototype. Constify lots of char* ptrs. Change calls
19504 to xcalloc/strcpy/strcat/... to one call to concat.
19505 (main, scan_prog_file, scan_libraries): Use an intermediate
19506 `const char **' to build an argv array.
19507 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19509 * collect2.h (collect_execute, collect_wait, dump_file,
19510 file_exists): Constify a char*.
19511 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19512 temporary_firstobj, vflag, debug): Add extern declarations.
19513 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19515 * tlink.c: Don't include toplev.h.
19516 (vflag, debug, ldout, c_file_name, temporary_obstack,
19517 permanent_obstack, temporary_firstobj): Don't declare.
19518 (tlink_execute, frob_extension, symbol_hash_lookup,
19519 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19520 recompile_files, read_repo_files, demangle_new_symbols,
19521 scan_linker_output): Constify a char*.
19522 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19523 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19525 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19527 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19528 (relative) rather than jsr (absolute) subroutine call insns.
19529 * config/m68k/m68k-coff.h: Ditto.
19531 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19533 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19534 now rework these too.
19535 (arm_reorg): If an insn can't reach the end of the current pool,
19536 ensure that we emit that pool before the insn.
19538 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19540 * tlink.c (scan_linker_output): Skip the initial underscore in
19541 a mangled name if appropriate.
19543 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19545 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19546 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19547 error_with_ivar, gen_declarator, create_builtin_decl,
19548 my_build_string, generate_descriptor_table, generate_ivars_list,
19549 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19550 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19551 dump_base_name, lang_decode_option, build_encode_expr,
19552 start_class, finish_class, encode_pointer, really_start_method,
19553 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19555 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19556 Add static prototypes.
19557 (build_objc_string_decl, build_selector_reference_decl,
19558 encode_bitfield, build_class_reference_decl): Remove unused
19559 parameter, all callers changed.
19560 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19561 (objc_printable_name): Likewise. Change second parameter to type int.
19562 (init_objc): Use memcpy, not bcopy, to avoid casts.
19564 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19566 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19567 reg notes on a deleted insn.
19568 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19570 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19572 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19574 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19576 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19579 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19581 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19582 * tm.texi (MD_ASM_CLOBBERS): Document it.
19584 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19586 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19587 * except.c (expand_rethrow): Remove unused variable.
19588 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19589 * flow.c (replace_insns): Likewise.
19590 (create_edge_list, verify_edge_list): Likewise.
19591 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19593 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19594 is special code to run.
19595 (main): Don't define operands to emit_operand.
19596 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19598 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19600 * alpha/alpha.h (normal_memory_operand): Declare.
19601 (reg_no_subreg_operand): Declare.
19602 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19604 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19606 * c-parse.in (compstmt_primary_start): New, broken out of first
19607 part of compstmt handling in primary.
19608 (primary): Use it. Add an error clause.
19609 (compstmt_nostart): Renamed from compstmt; remove all
19610 initial invocations of compstmt_start.
19613 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19615 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19618 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19620 * combine.c (simplify_shift_const): Remove extra semicolon.
19621 * dwarf2out.c (remove_AT): Likewise.
19622 * expmed.c (expand_mult): Likewise.
19623 * gcov.c (create_program_flow_graph): Likewise.
19624 * reorg.c (mostly_true_jump): Likewise.
19626 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19628 * fold-const.c (fold_range_test): Do not try to fold the range
19629 test if the rhs or lhs has side effects.
19631 * combine.c (simplify_rtx): Recognize another case of a synthesized
19634 * varasm.c (mark_constant_pool): When marking indirect references,
19635 only look at SYMBOL_REFs.
19637 * except.c (expand_fixup_region_end): Do not peek at
19638 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19640 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19642 * flags.h: New variables align_loops, align_loops_log,
19643 align_jumps, align_jumps_log, align_labels, align_labels_log,
19644 align_functions, align_functions_log.
19645 * toplev.c: Define them.
19646 (f_options): Handle -falign-* when they have no argument.
19647 (main): Add logic to set variables for -falign-functions,
19648 -falign-jumps, -falign-labels, -falign-loops.
19649 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19650 (display_help): Change help to match options.
19651 * final.c (LABEL_ALIGN): Default to align_labels_log.
19652 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19653 (LOOP_ALIGN): Default to align_loops_log.
19654 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19655 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19656 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19657 * varasm.c (assemble_start_function): Handle align_functions.
19659 * config/sparc/sparc.h: Don't declare sparc_align_*.
19660 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19661 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19663 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19665 * config/sparc/sparc.c: Delete sparc_align_loops,
19666 sparc_align_jumps, sparc_align_funcs and the corresponding string
19668 (sparc_override_options): Default align_functions on ultrasparc.
19669 Delete -malign-* handling.
19671 * config/mips/mips.c (override_options): On 64-bit targets,
19672 try to align code to 64-bit boundaries.
19673 (print_operand): New substitution, %~,
19674 which aligns labels to align_labels_log.
19675 * config/mips/mips.md (div_trap_normal): Use %~.
19676 (div_trap_mips16): Likewise.
19678 (absdi2): Likewise.
19679 (ffssi2): Likewise.
19680 (ffsdi2): Likewise.
19681 (ashldi3_internal): Likewise.
19682 (ashrdi3_internal): Likewise.
19683 (lshrdi3_internal): Likewise.
19684 (casesi_internal): Likewise.
19686 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19688 Merge new ia32 backend from the branch!
19690 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19691 See ChangeLog.P2 on new_ia32_branch for details.
19693 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19694 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19695 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19696 * i386/gas.h (ASM_FILE_START): Define.
19697 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19698 for name change of ix86_valid_decl_attribute_p.
19699 (i386_pe_valid_type_attribute_p): Similarly.
19701 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19703 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19704 to step through CC modes.
19706 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19708 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19709 it would end up in the shadow of a live flags regsiter.
19711 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19713 * reload1.c: Fix many indentation problems.
19714 * reload.c: Likewise.
19716 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19718 * alias.c (non_local_reference_p): Constify fmt.
19720 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19722 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19724 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19726 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19727 the internal_arg_pointer.
19729 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19731 Merge peephole2 from new_ia32_branch:
19732 * Makefile.in (STAGESTUFF): Add *.peephole2.
19733 (mostlyclean): Likewise.
19734 (recog.o): Depend on resource.h.
19736 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19737 (final_scan_insn): Likewise for the invocation of peephole.
19738 * genconfig.c (main): Look for peephole and peephole2 patterns.
19739 Emit HAVE_peephole* accordingly.
19740 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19741 * flags.h (flag_peephole2): Declare.
19742 * toplev.c: New pass peephole2. New flag -fpeephole2.
19744 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19745 * gencodes.c (main): Likewise.
19746 * genextract.c (main): Likewise.
19747 * genoutput.c (main): Likewise.
19748 * genemit.c (max_operand_1): Look for the max scratch operand.
19749 (gen_rtx_scratch): New.
19750 (gen_exp): Use it, and pass on new arg subroutine_type.
19751 (gen_expand): Take max scratch into account.
19752 (gen_split): Emit peephole2 functions.
19753 (output_peephole2_scratch): New.
19754 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19755 * genrecog.c (routine_type): Add PEEPHOLE2.
19757 (make_insn_sequence): Match outer parallel for peep2. Discard
19758 top level scratches and dups.
19759 (add_to_sequence): New args insn_type and top. Update all callers.
19760 Handle toplevel peep2 matching insns.
19761 (write_subroutine): Handle peep2.
19762 (write_tree_1): Likewise.
19763 (write_tree): Likewise.
19765 (change_state): New arg afterward. Update all callers.
19766 Handle matching separate insns.
19767 * recog.c (recog_next_insn): New.
19768 (peephole2_optimize): New.
19769 * rtl.def (DEFINE_PEEPHOLE2): New.
19770 * resource.c (find_free_register): New argument last_insn. Use it
19771 to find a register available through the entire span.
19772 * resource.h (find_free_register): Update prototype.
19774 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19776 * i386.c (output_strlen_unroll): Don't write xops[7]
19777 label if it wasn't set.
19779 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19781 * cpplib.c (struct directive): Const-ify name pointer and
19782 function pointer prototype.
19783 (validate_else, do_define, do_line, do_include, do_undef,
19784 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19785 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19786 do_warning): Const-ify second arg.
19787 (directive_table): Mark const. Reorder entries by frequency
19788 of usage, record statistics.
19790 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19792 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19793 bounds- check RTL accesses if --enable-checking.
19794 (RTVEC_ELT): Bounds check if --enable-checking.
19795 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19796 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19797 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19799 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19800 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19802 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19803 (NOTE_SOURCE_FILE): Use X0STR.
19804 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19805 MEM_ALIAS_SET): Use X0INT.
19806 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19807 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19809 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19810 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19811 (rtl_check_failed_bounds, rtl_check_failed_type1,
19812 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19814 (fancy_abort): Fix comment.
19816 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19817 (cse_insn): Decrement LABEL_NUSES for jump target before
19818 deleting jump insn.
19819 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19820 * final.c (alter_subreg): Compute regno before changing x to
19821 REG; set REGNO(x) after changing it.
19822 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19823 notes containing CONST_INTs.
19824 (delete_eh_regions): Use NOTE_EH_HANDLER.
19825 * function.c (put_reg_into_stack): Make reg a MEM before
19827 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19829 (gen_mem_addressof): Make reg a MEM before initializing it.
19830 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19832 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19833 deleting an insn, not after.
19834 (block_alloc): Only look at PATTERN(insn) if we have to, and
19835 only if it's format class 'i'.
19836 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19837 CONST_INT before using its INTVAL.
19838 * print-rtl.c (print_rtx): Use X0STR.
19839 * regmove.c (fixup_match_1): Don't look at PATTERN of
19840 non-class-'i' insn chain elements.
19841 * reload.c (loc_mentioned_in_p): Take address of
19842 in->fld[1].rtx directly.
19843 * reload1.c (reload): Change reg to a MEM before initializing
19845 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19847 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19849 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19851 * config/mips/mips.c (machine_dependent_reorg): Force a
19852 barrier to output the local constant pool if a barrier hasn't
19853 been found at a natural point in the instruction stream.
19855 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19857 * c-parse.in (language_string): Constify.
19859 * dwarf2out.c (language_string): Remove declaration.
19861 * dwarfout.c (language_string): Likewise.
19863 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19865 * tree.h (language_string, init_parse, finish_parse): Declare.
19867 * i386/sun386.h (language_string): Remove declaration.
19869 * mips.h (language_string): Likewise.
19871 * nextstep.h (language_string): Likewise.
19873 * nextstep21.h (language_string): Likewise.
19875 * rs6000.c (language_string): Likewise.
19877 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19879 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19880 (getpwd.o): Remove target.
19882 * getpwd.c: Delete file. Its in libiberty now.
19884 * dbxout.c (getpwd): Don't prototype.
19885 * dwarf2out.c (getpwd): Likewise
19886 * dwarfout.c (getpwd): Likewise
19887 * final.c (getpwd): Likewise.
19888 * protoize.c (getpwd): Likewise.
19890 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19892 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
19894 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
19896 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
19897 mark_set_resources.
19899 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
19901 * fixinc/Makefile.in (subdir): New.
19902 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
19905 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
19907 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
19908 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
19911 * invoke.texi: Fix typo.
19913 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
19914 changed. Handle autoincrement addressing modes.
19916 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
19917 just like we would the virtual incoming args register when
19920 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
19922 * rs6000.h (ASM_FILE_START): Specify complete filename, including
19923 path, in .file directive.
19925 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
19927 * gcc.texi (External Bugs): Remove obsolete note about Perl on
19930 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
19932 * stdbool.h: Make the typedef name _Bool, with bool a #defined
19935 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19937 * tree.c (tree_code_name): Constify a char*.
19939 * tree.h (tree_code_name, decl_printable_name): Likewise.
19941 * function.h (struct function): Likewise.
19943 * toplev.c (decl_name, decl_printable_name): Likewise.
19945 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
19947 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
19948 (init_objc): Remove function pointer cast.
19950 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19952 * pa.md (interspace_jump): New pattern.
19953 (builtin_longjmp): New expander.
19955 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
19957 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
19958 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
19959 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
19961 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
19963 * jump.c (delete_prior_computation): Also check calls
19964 to constant functions. Don't bother checking for a
19965 REG_UNUSED note before adding it.
19966 (delete_computation): Handle multi-word hard registers
19967 when synthesizing missing REG_DEAD notes for a register
19968 which is both set and used by an insn.
19970 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19972 * loop.c (this_loop_info): New variable.
19973 (loop_has_call, loop_has_volatile, loop_has_tablejump,
19974 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
19976 (prescan_loop, strength_reduce): New argument loop_info. All callers
19978 (scan_loop): New variable loop_info, initialise to address of
19980 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
19981 Delete variable loop_has_multiple_exit targets and replace with
19982 field in this_loop_info.
19983 (find_and_verify_loops): Rename this_loop to this_loop_num.
19984 (strength_reduce): Delete loop_iteration_info. Replace variable
19985 loop_info with function argument of same name.
19986 (insert_bct): Rework test for loop being completely unrolled.
19988 * loop.h (struct loop_info): New fields num, loops_enclosed,
19989 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
19990 has_indirect_jump, and cont. Redefine use of unroll_number.
19991 (loop_unroll_number): Delete.
19993 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
19994 field of loop_info.
19995 (loop_iterations): Delete variable vtop and instead use
19996 loop_info->vtop computed in prescan_loop.
19998 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
20000 * fix-header.c (main): Do not pass a null pointer to strcmp.
20002 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
20004 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
20006 * configure: Rebuilt.
20008 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
20010 * jump.c (jump_optimize_1): Do not delete assignments to
20011 internal_arg_pointer.
20012 * cse.c (delete_trivially_dead_insns): Always consider a set of
20013 the internal_arg_pointer live.
20015 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
20017 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
20018 (update_life_info) [REG_WAS_0]: Search the original insns rather
20019 than the new insns for the note. Fix typos finding note_dest.
20020 If no dest found, discard the note rather than abort.
20021 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
20022 (replace_insns): Remove the old insn list after update_life_info
20025 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
20027 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
20028 sched_analyze_insn.
20029 (sched_analyze_1): Let add_dependence care for not adding dups.
20030 (sched_analyze_2): Likewise.
20031 (add_branch_dependences): Likewise.
20033 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
20035 * i386/winnt.c (export_list): New type.
20036 (exports_head): Rename to
20037 (export_head): this.
20038 (i386_pe_record_exported_symbol): Add is_data flag.
20039 (i386_pe_asm_file_end): Emit directive for exported variables.
20040 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
20042 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
20043 (ASM_DECLARE_OBJECT_NAME): Likewise.
20044 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20045 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
20047 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
20049 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
20051 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
20054 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
20056 * config/openbsd.h: Define SET_ASM_OP.
20057 * tm.texi: cross-reference SET_ASM_OP in the index.
20059 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
20061 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
20062 for a CONST_DOUBLE, at compile time. Initialize rtx_length
20063 and class_narrowest_mode at compile time. Kill init_rtl.
20064 Mark rtx_length, mode_class, mode_size, mode_unit_size,
20065 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
20066 rtx_format as const. Kill all references to EXTRA_CC_MODES or
20068 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
20070 * rtl.h: Declare rtx_length and rtx_format as const.
20071 * machmode.def: Define CC(). Use CC() to define CCmode. If
20072 EXTRA_CC_MODES is defined, expand it here.
20073 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
20074 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
20075 const. Kill all references to EXTRA_CC_MODES.
20077 * toplev.c: Don't prototype or call init_rtl.
20078 * optabs.c: Don't call init_mov_optab.
20079 * genemit.c: Don't generate init_mov_optab. Don't call
20081 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
20083 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
20084 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
20085 genrecog.c: Don't call init_rtl.
20087 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
20088 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
20089 definition of EXTRA_CC_MODES.
20091 * md.texi: Kill ref to EXTRA_CC_NAMES.
20092 * tm.texi: Document new way to define EXTRA_CC_MODES.
20094 * genrecog.c: Do not look up the name of a define_split.
20095 (Unrelated bugfix.)
20097 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
20099 * config/v850/v850.md: Fix typo introduced by previous delta.
20101 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20103 * gcc.c (fatal): Make definition static to match prototype.
20105 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20107 * combine.c (get_last_value): Don't look for earlier sets if the last
20108 known set is somewhere in between the insns being combined.
20110 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
20112 * configure.in: Don't use shell ! to negate exit codes
20113 * configure: Regenerate
20115 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
20117 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
20118 the fact that ALIGN is measured in bits, not bytes.
20120 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
20122 * errors.c: New file; defines functions error, warning, and
20123 fatal, variables have_error and progname.
20124 * errors.h: New file; prototypes and decls for stuff in errors.c.
20126 * Makefile: Add rules to build errors.o and
20127 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
20128 genopinit, genrecog, genextract, genpeep, genattr, and
20129 genoutput with errors.o. Add errors.h to deps of genconfig.o,
20130 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
20131 genpeep.o, genattr.o, and genoutput.o.
20133 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20134 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20135 define or prototype fatal. Set progname at beginning of main.
20136 * genoutput.c: Likewise, and don't define or prototype error
20139 * c-typeck.c (c_expand_start_case): Return immediately if exp
20141 * fold-const.c (operand_equal_p): Return immediately if arg1
20142 or arg0 are ERROR_MARKs.
20143 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20144 fields of type ERROR_MARK when calculating if the record can
20147 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20148 with much help from Jeffrey A Law and Richard Henderson
20150 * i386.md: In the 6 insns which call output_fix_trunc,
20151 earlyclobber operands[0].
20153 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20155 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20156 creating new registers.
20158 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20160 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20161 i386_reg_alloc_order, i386_regparm_string,
20162 i386_align_loops_string, i386_align_jumps_string,
20163 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20164 and i386_branch_cost_string as type "const char *".
20165 * i386.c: Define all above strings as type "const char *".
20167 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20169 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20170 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20172 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20174 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20175 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20177 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20179 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20180 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20181 (dwarf2out_line, dwarf2out_finish): Likewise.
20182 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20184 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20186 * tree.c (lang_unsave_expr_now) : Correct return type.
20187 * tree.h (lang_unsave_expr_now) : Same.
20189 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20191 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20192 instead of duplicating code.
20194 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20196 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20198 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20200 * tree.h: fancy_abort always takes three args.
20201 * resource.c: Move include of system.h before toplev.h.
20203 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20205 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20208 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20210 * system.h: Don't redefine abort or trim_filename.
20211 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20212 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20213 whether or not __FUNCTION__ is available.
20214 * tree.h: Duplicate rtl.h's definition of abort, for files
20215 that don't include rtl.h. Delete all code to perform type
20216 checking with a compiler other than GCC.
20217 * varray.h: Delete all code to perform type checking with a
20218 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20219 its arguments exactly once, using a statement expression.
20220 Adjust the VARRAY_<type> accessor macros to match.
20221 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20222 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20223 caller's location. Define fatal_insn and fatal_insn_not_found
20224 as macros that use _fatal_insn and _fatal_insn_not_found.
20225 (fancy_abort, trim_filename): Kill prototypes.
20227 * rtl.c (trim_filename): Move here from toplev.c.
20228 (fancy_abort): New function.
20229 (DIR_SEPARATOR): Provide default definition.
20230 * tree.c (tree_check_failed, tree_class_check_failed): Go
20231 through fancy_abort.
20232 (tree_check, tree_class_check, cst_or_constructor_check,
20233 expr_check): Delete.
20234 * varray.c (varray_check_failed): New function.
20235 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20236 _fatal_insn and _fatal_insn_not_found. Go through
20238 (trim_filename, fancy_abort): Delete.
20240 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20241 * except.c (start_catch_handler): Report ICE with error/abort
20243 * final.c (output_operand_lossage): Likewise.
20244 * flow.c (verify_flow_info): Likewise.
20246 * gcc.c: Prototype fatal.
20247 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20248 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20249 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20250 Don't define fancy_abort.
20252 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20254 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20257 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20259 * m88k.h (VERSION_INFO2): Kill.
20260 (VERSION_STRING): Kill.
20262 (VERSION_INFO1): Tidy.
20263 (TARGET_VERSION): Update.
20264 * m88k/dgux.h (VERSION_INFO2): Kill.
20265 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20266 * m88k/luna.h (VERSION_INFO1): Tidy.
20267 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20268 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20269 (output_file_start): Adjust for death of VERSION_STRING.
20271 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20273 * cpplib.c (detect_if_not_defined): New function.
20274 (do_if): Use it to detect potential once-only headers.
20276 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20278 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20280 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20282 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20283 anywere in the function only if they are pseudos and set before
20284 being used (not live at the start of the function).
20285 (num_sign_bit_copies) : Same.
20286 (get_last_value_validate) : Same.
20287 (get_last_value) : Same.
20289 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20291 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20292 where N and M are constant and N is an integer multiple of M.
20294 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20296 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20297 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20298 sbitmap_union_of_preds): Add prototypes.
20299 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20300 the intersection of successors with the new flow graph structures.
20301 (sbitmap_intersection_of_preds): New function to compute the
20302 intersection of predecessors with the new flow graph structures.
20303 (sbitmap_union_of_succs): New function to compute the union of
20304 successors with the new flow graph structures.
20305 (sbitmap_union_of_preds): New function to compute the union of
20306 predecessors with the new flow graph structures.
20307 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20308 (expr_reaches_here_p): Use edge and basic_block structures instead
20309 of s_preds and s_succs.
20310 (compute_cprop_avinout): Use new sbitmap routines.
20311 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20312 of s_preds and s_succs.
20313 * flow.c (compute_flow_dominators): Compute dominators using
20314 edges and basic blocks instead of s_preds and s_succs.
20316 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20318 * lists.c (unused_insn_list, unused_expr_list): New file for
20319 maintaining various types of lists. New statics for maintaining a
20320 cache of available INSN_LIST and EXPR_LIST nodes.
20321 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20322 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20323 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20324 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20325 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20326 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20327 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20328 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20329 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20330 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20331 (remove_dependence, free_pending_lists): Use new global routines.
20332 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20333 (sched_analyze, compute_block_backward_dependences): Use new routines.
20334 (sched_analyze_1, sched_analyze_2): Use new routines.
20335 (schedule_insns): Use new global routines.
20336 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20338 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20339 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20341 * toplev.c (rest_of_compilation): Initialize node cache.
20342 * Makefile.in (OBJS): Add lists.o to list of object files.
20343 (lists.o): Add dependancies.
20345 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20347 * config/v850/v850.md: Fix compile time warning messages.
20348 * config/v850/v850.c: Fix compile time warning messages.
20349 * config/v850/v850.h: Fix compile time warning messages.
20351 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20353 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20354 Remove unused prototype for `init_lengths'.
20356 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20358 * calls.c (emit_call_1): Mark parameter `stack_size' with
20360 (expand_call): Initialize variable `insn'.
20361 (emit_library_call): Likewise for variable `high_to_save'.
20362 (emit_library_call_value): Likewise.
20363 (store_one_arg): Likewise for variables `lower_bound' and
20366 * combine.c (try_combine): Likewise for variables `i2_code_number'
20367 and `other_code_number'.
20368 (find_split_point): Likewise for variables `pos', `unsignedp' and
20370 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20371 (simplify_and_const_int): Remove unused variable `width'.
20372 (merge_outer_ops): Likewise.
20374 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20375 HOST_WIDE_INT' when comparing against one.
20376 (simplify_relational_operation): Likewise.
20377 (cse_insn): Initialize variables `src_eqv_volatile',
20378 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20380 * final.c (init_final): Constify parameter `filename'.
20381 (final_start_function): Mark parameter `optimize' with
20383 (profile_function): Likewise for parameters `first' and `optimize'.
20384 (output_source_line): Likewise for parameter `file'.
20386 * integrate.c (subst_constants): Cast a value to `size_t' when
20387 comparing against one.
20388 (mark_stores): Initialize variable `mode'. Cast a value to
20389 `size_t' when comparing against one.
20391 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20393 * loop.c (move_movables): Initialize variable `first'.
20394 (strength_reduce): Likewise for variable `increment'.
20395 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20396 value to `size_t' when comparing against one.
20397 (load_mems): Initialize variable `end_label'.
20399 * output.h (init_final): Constify parameter.
20401 * reload.c (decompose): Initialize variable `base'.
20403 * reload1.c (reload): Likewise for variable `is_scalar'.
20404 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20405 (choose_reload_regs): Initialize variable `mode'.
20406 (emit_reload_insns): Likewise for variable `store_insn'.
20407 (reload_cse_noop_set_p): Mark parameter `insn' with
20409 (reload_combine): Initialize variable `set'.
20411 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20412 (copy_loop_body): Cast a value to `size_t' when comparing against
20415 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20416 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20417 (remove_from_pending_weak_list): Mark parameter `name' with
20420 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20422 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20425 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20427 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20428 (ASM_DECLARE_FUNCTION_NAME): Define.
20429 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20430 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20431 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20432 not already defined.
20434 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20436 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20437 of n_popped when call/call_value are not defined.
20439 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20441 * tm.texi: GNU CC -> GCC conversion.
20442 (CC1_SPEC): Indicate it is used for all language front ends.
20444 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20446 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20447 NOTE_INSN_EH_REGION_END correctly.
20449 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20450 Jeff Law <law@cygnus.com>
20452 * loop.c (strength_reduce): Automatically unroll loops if the
20453 unrolled loop size is smaller than the rolled loop size.
20455 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20456 and delete comment that code should be rewritten.
20458 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20460 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20463 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20465 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20467 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20468 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20469 (LINK_SPEC): Add -u _main when building executables.
20470 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20471 (ASM_FILE_END): Use the default for ix86-pe.
20472 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20474 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20476 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20477 and ASM_CLOSE_PAREN are empty strings.
20479 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20480 Geoffrey Keating <geoffk@cygnus.com>
20482 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20483 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20484 (unprotoize.o): Ditto.
20485 (test-protoize-simple): Don't define STD_PROTO_DIR.
20486 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20487 changes to make 'test-protoize-simple' pass.
20488 (STD_PROTO_DIR): Remove define.
20489 (STANDARD_EXEC_PREFIX): Supply default define.
20490 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20491 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20492 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20493 (GET_ENV_PATH_LIST): New macro.
20494 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20495 (do_processing): Initialize default_syscalls_dir using new
20496 macros. Use it to initialize syscalls_absolute_filename.
20498 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20500 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20501 B into a register before emit_conditional_move.
20503 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20505 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20506 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20507 multiplicand out of (+ (* a b) (* c d)).
20509 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20510 Richard Henderson <rth@cygnus.com>
20512 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20513 (new_insn_dead_notes): Likewise.
20514 (update_n_sets): Likewise.
20515 (update_flow_info): Move to flow.c, renamed to update_life_info;
20516 extend to handle multiple source insns.
20517 * flow.c: Include resource.h
20518 (unlink_insn_chain): New.
20519 (split_hard_reg_notes): New.
20520 (maybe_add_dead_note): New.
20521 (maybe_add_dead_note_use): New.
20522 (find_insn_with_note): New.
20523 (new_insn_dead_notes): New.
20524 (update_n_sets): New.
20525 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20526 (maybe_remove_dead_notes): New.
20527 (update_life_info): New.
20528 (prepend_reg_notes): New.
20529 (replace_insns): New.
20530 * output.h (update_life_info): Declare.
20531 * recog.c (split_block_insns): Use update_life_info.
20532 * resource.c (find_free_register): Use reg_alloc_order, don't use
20533 fixed regs, make sure the mode is supported, don't use new regs.
20535 * rtl.h (replace_insns): Declare.
20537 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20539 * expr.c (expand_expr): Cope with COND_EXPRs with one
20540 non-returning branch.
20542 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20544 * expr.c (store_expr): Always pass down the target, even when not
20547 1999-08-24 Nick Clifton <nickc@cygnus.com>
20549 * configure.in: Define target_cpu_default for v850 targets.
20550 * configure: Regenerate
20552 * config/v850/v850.h (TARGET_CPU_generic): Define.
20553 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20554 addresses are 4 byte aligned.
20556 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20559 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20561 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20562 (main): Add prototypes.
20564 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20565 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20566 (write_attr_get): Emit prototypes along with function definition.
20567 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20568 (write_complex_function): Emit static prototype along with
20569 function definition.
20571 * genemit.c (gen_split): Emit prototypes along with function
20574 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20575 Likewise for predicates and `insn_operand_predicate'.
20576 (process_template): Emit static prototype along with function
20579 * genrecog.c (make_insn_sequence): Constify a char*. Add
20580 prototypes for get_split_*().
20581 (write_subroutine): Emit prototypes along with function
20584 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20586 * gcse.c (find_avail_set): Follow chains of register-register copies.
20587 Use oprs_not_set_p to guarantee that the returned value can be
20589 (cprop_insn): Don't verify the return value of find_avail_set with
20592 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20593 (cprop_cc0_jump): New function.
20594 (cprop_insn): Break out new function cprop_jump and use it.
20595 Also use cprop_cc0_jump for machines with CC0.
20596 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20598 * tree.h (current_function_calls_setjmp,
20599 current_function_calls_longjmp): Delete declarations.
20600 * dsp16xx.c: Include "function.h".
20601 * elxsi.c: Likewise.
20602 * gmicro.c: Likewise.
20603 * h8300.c: Likewise.
20604 * i370.c: Likewise.
20605 * m32r.c: Likewise.
20606 * mn10200.c: Likewise.
20607 * mn10300.c: Likewise.
20608 * ns32k.c: Likewise.
20609 * spur.c: Likewise.
20610 * v850.c: Likewise.
20612 * rtl.h (rtx_equal_function_value_matters): Declare.
20613 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20615 * function.c: Likewise.
20616 * emit-rtl.c: Likewise.
20618 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20620 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20623 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20625 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20628 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20630 * cpp.texi: Add a node documenting macro varargs (copied
20633 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20635 * cppspec.c: Put a null pointer at the end of the new argv.
20637 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20639 * configure.in: Remove code to select/de-select the haifa
20640 scheduler. Every scheduled port gets haifa now.
20641 * configure: Rebuilt.
20642 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20644 * Makefile.in: Corresponding changes.
20646 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20648 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20649 All callers changed.
20650 (prepare_float_lib_cmp): Likewise.
20651 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20652 * expr.h (emit_float_lib_cmp): Delete declaration.
20653 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20654 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20655 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20657 (cmptf): Now conditional on TARGET_HARD_QUAD.
20659 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20661 * resource.c (mark_target_live_regs): Use
20662 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20664 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20666 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20668 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20670 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20672 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20674 * rtl.h (rtx_format): Constify a char*.
20676 * rtl.c (rtx_format): Likewise.
20677 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20678 (init_rtl): Use accessor macro, not `rtx_format'.
20680 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20683 * caller-save.c (mark_referenced_regs): Likewise.
20685 * combine.c (subst, make_compound_operation, known_cond,
20686 gen_rtx_combine, update_table_tick, get_last_value_validate,
20687 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20689 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20690 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20691 count_reg_usage): Likewise.
20693 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20696 * final.c (leaf_renumber_regs_insn): Likewise.
20698 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20699 dump_edge_info, count_reg_references): Likewise.
20701 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20702 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20705 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20706 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20707 add_label_notes): Likewise.
20709 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20710 clear_struct_flag, count_sub_rtxs, count_alternatives,
20711 compares_alternatives_p, contained_in_p, walk_attr_value,
20712 write_expr_attr_cache): Likewise.
20714 * genconfig.c (walk_insn_part): Likewise.
20716 * genemit.c (max_operand_1, gen_exp): Likewise.
20718 * genextract.c (walk_rtx): Likewise.
20720 * genflags.c (num_operands): Likewise.
20722 * genoutput.c (scan_operands): Likewise.
20724 * genpeep.c (match_rtx): Likewise.
20726 * genrecog.c (add_to_sequence): Likewise.
20728 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20731 * integrate.c (save_constants, copy_for_inline,
20732 copy_rtx_and_substitute, subst_constants, restore_constants):
20735 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20736 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20738 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20741 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20742 add_label_notes, replace_call_address, count_nonfixed_reads,
20743 invariant_p, find_single_use_in_loop, find_mem_givs,
20744 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20747 * print-rtl.c (reg_names, print_rtx): Likewise.
20749 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20751 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20752 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20753 print_blocks): Likewise.
20755 * regclass.c (fix_register, record_address_regs,
20756 reg_scan_mark_refs): Likewise.
20758 * regmove.c (stable_but_for_p): Likewise.
20760 * reload.c (loc_mentioned_in_p, operands_match_p,
20761 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20762 copy_replacements, refers_to_regno_for_reload_p,
20763 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20764 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20767 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20768 delete_address_reloads_1, count_occurrences,
20769 reload_cse_mem_conflict_p, reload_combine_note_use,
20770 add_auto_inc_notes): Likewise.
20772 * resource.c (mark_referenced_resources, mark_set_resources):
20775 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20776 reg_mentioned_p, regs_set_between_p, modified_between_p,
20777 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20778 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20779 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20780 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20782 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20784 * stupid.c (stupid_mark_refs): Likewise.
20786 * unroll.c (remap_split_bivs): Likewise.
20788 * varasm.c (mark_constants): Likewise.
20790 * a29k/a29k.c (uses_local_reg_p): Likewise.
20792 * alpha/alpha.c (summarize_insn): Likewise.
20794 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20795 eliminate_lr2ip): Likewise.
20797 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20799 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20800 reg_mentioned_in_mem): Likewise.
20802 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20803 symbolic_reference_mentioned_p): Likewise.
20805 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20807 * sh/sh.c (regs_used, mark_use): Likewise.
20809 * vax/vax.c (vax_rtx_cost): Likewise.
20811 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20813 * machmode.h (mode_name): Constify a char*.
20815 * rtl.c (mode_name): Likewise.
20817 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20819 * optabs.c (init_libfuncs): Constify a char*.
20821 * print-tree.c (mode_name): Remove redundant declaration.
20822 (print_node): Use accessor macro, not `mode_name'.
20824 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20826 (new_spill_reg): Constify a char*.
20828 * tree.c (mode_name): Remove redundant declaration.
20830 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20832 * rtl.c (rtx_name): Constify a char*.
20834 * rtl.h (rtx_name, fix_sched_param): Likewise.
20836 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20837 (mypr): Use accessor macro, not `rtx_name'.
20839 * genemit.c (print_code): Constify a char*.
20841 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20843 * genpeep.c (print_code): Constify a char*.
20845 * genrecog.c (print_code): Likewise.
20847 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20848 end_bb): Add static prototype.
20849 (draw_edge): Constify a char*.
20850 (end_bb): Remove unused parameter.
20852 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20853 print_block_visualization): Constify a char*.
20855 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20857 * c-common.c (c_get_alias_set): Update comment.
20859 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20861 * linux.h (LIB_SPEC): Added.
20863 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20865 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20867 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20869 * tree.c (expr_check): Fix typo in last change.
20871 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20873 * rtl.def (NOTE): Change format to "iuu0n".
20874 (ADDR_DIFF_VEC): Change format to "eEee0".
20875 (ADDRESSOF): Change format to "eit".
20877 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20878 (RTVEC_ELT): Change to match.
20879 (XVECEXP): Use XVEC and RTVEC_ELT.
20880 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20881 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20882 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20883 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20884 TRAP_CONDITION, TRAP_CODE): Use XEXP.
20885 (INTVAL): Use XWINT.
20886 (ADDRESSOF_DECL): Use XTREE.
20887 (SET_ADDRESSOF_DECL): Delete.
20888 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
20889 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
20890 ifdefed out since 2.6 at least.
20891 (gen_rtvec_vv): Delete prototype.
20893 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
20895 (copy_most_rtx): Handle 't' format letter.
20896 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
20897 (gen_rtvec_vv): Delete function. All callers changed to use
20898 gen_rtvec_v instead.
20899 * print-rtl.c (print_rtx): Move special casing of NOTEs to
20900 the '0' format letter.
20902 * function.c (gen_mem_addressof): Don't use
20903 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
20905 * integrate.c (copy_rtx_and_substitute): Likewise.
20906 Copy 't' slots with XTREE.
20907 (subst_constants): Treat 't' slots like '[swi]' slots.
20908 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
20909 * jump.c (rtx_equal_for_thread_p): Likewise.
20910 * rtlanal.c (rtx_equal_p): Likewise.
20911 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
20912 only four arguments.
20913 * gengenrtl.c (type_from_format): Provide correct types for
20917 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
20918 If a recent gcc is in use (always in stage2 and beyond), use
20919 statement expressions, so we don't make a function call unless
20920 the check fails. Evaluate arguments exactly once.
20921 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
20922 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
20924 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
20925 they evaluate their arguments exactly once, irrespective of
20926 the compiler in use.
20928 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
20929 is used by the currently-enabled check macros. This is:
20930 (tree_check_failed, tree_class_check_failed): For gcc.
20931 (tree_check, tree_class_check, cst_or_constructor_check,
20932 expr_check): For other compilers.
20934 * gencheck.c: Do not define any *_CHECK1 macros.
20936 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
20937 Mark Mitchell <mark@codesourcery.com>
20939 * c-common.c (c_get_alias_set): Fix support for poitners and
20942 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
20944 * alias.c: Include tree.h.
20945 (nonlocal_reference_p, mark_constant_function): New functions.
20946 * flow.c (life_analysis): Call mark_constant_function.
20947 * rtl.h (mark_constant_function): Declare it.
20949 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
20951 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
20952 unrecognisable switches.
20954 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20956 * loop.c (recombine_givs): Set ix field after sorting.
20957 (recombine_givs): Remove bogus index / giv lockstep looping.
20959 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20961 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
20963 (emit_store_flag_force): Use do_compare_rtx_and_jump.
20964 (do_cmp_and_jump): Formatting fixes.
20965 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
20966 do_compare_rtx_and_jump instead of compare_from_rtx.
20967 (do_compare_rtx_and_jump): New function; mostly copied from
20969 (do_jump_for_compare): Delete.
20970 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
20972 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
20973 of compare/do_jump_for_compare pairs.
20974 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
20975 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
20976 compare_from_rtx/do_jump_for_compare pairs.
20977 (do_jump_by_parts_equality): Likewise.
20978 (do_jump_by_parts_equality_rtx): Likewise.
20979 * expr.h (do_compare_rtx_and_jump): Declare.
20980 * optabs.c (prepare_cmp_insn): New function, contains most of the code
20981 that used to be in emit_cmp_insn.
20982 (cmp_available_p): New function.
20983 (prepare_operand): New function.
20984 (emit_cmp_and_jump_insn_1): New function, contains some code that used
20985 to be in emit_cmp_insn.
20986 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
20987 parameters to be pointers; don't emit final compare but modify some of
20988 the values pointed to by the args so the caller can perform the
20989 correct comparison.
20990 (expand_binop): Call emit_store_flag_force with signed forms of
20992 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
20993 emit_jump_insn pair.
20994 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
20995 emit_cmp_and_jump_insn_1. Call emit_queue.
20996 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
20998 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
20999 jump sets cc0 before deleting it.
21000 * integrate.c (expand_inline_function): Likewise.
21001 * unroll.c (unroll_loop): Similar changes in several places.
21002 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
21003 before deleting it.
21005 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21007 * Makefile.in (insn-recog.o): Update dependencies.
21008 * genrecog.c (main): Make generated file include "function.h".
21010 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
21012 * cse.c (cse_insn): Call never_reached_warning when a jump is
21013 changed to be unconditional.
21014 * flags.h: Declare warn_notreached.
21015 * flow.c (delete_block): Call never_reached_warning when
21016 a block is deleted.
21017 * jump.c (delete_barrier_successors): Call never_reached_warning
21018 when we delete everything after a BARRIER.
21019 (never_reached_warning): New function.
21020 * rtl.h: Declare never_reached_warning.
21021 * toplev.c (warn_notreached): New variable.
21022 (lang_independent_options): Set warn_notreached
21023 when -Wunreachable-code.
21024 (compile_file): We need line numbers for -Wunreachable-code.
21026 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
21028 * haifa-sched.c (insn_unit): Fix typo on out of range test.
21029 * sched.c (insn_unit): Likewise.
21031 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
21033 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
21035 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21037 * flow.c (create_edge_list): Use xmalloc, not malloc.
21039 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
21041 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
21042 C-style comments. Do not lose the character before double slash.
21044 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21046 * basic-block.h (struct edge_list): Stucture to maintain a vector
21048 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
21049 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
21050 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
21051 New function prototypes.
21052 * flow.c (create_edge_list): Function to create an edge list.
21053 (free_edge_list): Discards memory used by an edge list.
21054 (print_edge_list): Debug output showing an edge list.
21055 (verify_edge_list): Internal consistency check for an edge list.
21056 (find_edge_index): Function to find an edge index for a pred and succ.
21058 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
21060 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
21063 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
21065 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
21067 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
21069 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21071 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
21073 * toplev.c (rest_of_compilation): Allow machine dependent
21074 reorganisation pass to place information into the RTL dump
21075 file if it so wishes.
21077 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
21079 * explow.c (hard_function_value): Use VOIDmode instead of
21081 * stmt.c (expand_return): Likewise.
21082 * stor-layout.c (get_best_mode): Likewise.
21084 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
21085 emit call instead of emit_insn call.
21087 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21089 * configure.in: Handle --disable/enable-win32-registry.
21090 * install.texi: Document --disable/enable-win32-registry.
21091 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
21092 (WIN32_REGISTRY_KEY): New macro.
21093 * prefix.c: Use to enable/disable win32-specific code.
21094 (lookup_key): Use versioned key.
21095 * configure: Regenerate.
21096 * config.in: Likewise.
21098 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
21100 * cpplib.c (read_line_number): New fn, split out of...
21103 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21105 tree.c (lang_unsave_expr_now) : New.
21106 (unsave_expr_now): Call lang_unsave_expr_now.
21107 tree.h (lang_unsave_expr_now) : New.
21109 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
21111 * toplev.c (flag_new_exceptions): On by default.
21113 1999-08-13 Michael Meissner <meissner@cygnus.com>
21115 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
21117 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21119 * dwarfout.c (fundamental_type_code): Return FT_boolean for
21120 INTEGER_TYPE with precision==1, it's __java_boolean.
21122 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21124 * global.c (prune_preferences): Move some invariants out of the
21127 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
21129 * configure.in (alpha*-dec-osf*): Add osf5.
21131 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21133 * configure.in: Rework handling of ARM GNU/Linux slightly.
21134 (arm*-*-linux-gnuoldld): New target.
21135 * configure: Regenerate.
21136 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21137 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21138 * config/arm/linux-oldld.h: New file.
21139 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21140 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21142 * config/arm/linux-elf.h (ASM_SPEC): Define.
21143 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21144 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21145 for 26-bit APCS and old linker.
21146 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21148 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21149 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21150 don't define `arm' or `arm_elf'.
21151 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21152 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21154 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21156 * rtl.texi: Fix typo.
21158 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21160 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21162 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21164 * extend.texi (C++ Signatures): Remove node.
21165 * invoke.texi: Remove discussion of -fhandle-signatures,
21166 signature, sigof, __signature__, and __sigof__.
21168 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21170 * Makefile.in (JAVAGC): Removed.
21172 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21174 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21176 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21178 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21180 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21182 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21183 a register that is already known to be a pointer.
21185 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21187 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21188 * fixinc/inclhack.sh: Regenerated.
21189 * fixinc/fixincl.sh: Regenerated.
21191 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21193 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21194 Fix documentation of -ansi flag to describe its C++ behavior.
21195 Remove bogus reference to GCC 2.9.
21197 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21199 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21200 note if it is non-NULL.
21202 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21204 * except.h (eh_nesting_info): Add new structure defintion.
21205 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21206 (reachable_handlers, update_rethrow_references): Add function
21208 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21209 a rethrow symbol instead of an integer exception region number.
21210 * flow.c (Make_edges): Use new exception nesting routines to determine
21211 which handlers are reachable from a CALL or asynchronous insn.
21212 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21214 (delete_eh_regions): Update rethrow labels, and don't delete
21215 regions which are the target of a rethrow.
21216 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21217 avoid overloading the SYMBOL_REF_USED flag.
21218 (rethrow_symbol_map): Use new rethrow_ref field.
21219 (rethrow_used): Use new rethrow_ref field.
21220 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21221 of an integer. Fix formatting.
21222 (output_exception_table_entry): Use new rethrow_ref field.
21223 (can_throw): Check for EH_REGION_NOTE before deciding
21224 whether a CALL can throw or not.
21225 (scan_region): Call rethrow_used() instead of accessing data structure.
21226 (update_rethrow_references): New function to make sure only regions
21227 which are still targets of a rethrow are flagged as such.
21228 (process_nestinfo): New static function to initialize a handler
21229 list for a specific region.
21230 (init_eh_nesting_info): New function to allocate and initialize
21231 the list of all EH handlers reachable from all regions.
21232 (reachable_handlers): New function to retrieve the list of handlers
21233 reachable from a specific region and insn.
21234 (free_eh_nesting_info): New function to dispose of a list of
21235 reachable handlers.
21237 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21239 * flow.c (split_edge): Set JUMP_LABEL field.
21240 (commit_one_edge_insertion): Set head correctly for insert_before.
21241 When inserting insns, update insn block numbers if allocated.
21243 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21245 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21246 retry_incomplete_types): Add static prototype.
21247 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21248 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21249 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21250 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21251 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21254 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21255 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21257 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21259 * output.h (assemble_name): Constify a char*.
21261 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21262 assemble_variable, assemble_name): Likewise.
21264 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21266 * arm/pe.c (arm_pe_unique_section): Likewise.
21268 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21270 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21272 * i386/interix.c (i386_pe_unique_section): Likewise.
21274 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21276 * i386/winnt.c (i386_pe_unique_section): Likewise.
21278 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21280 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21282 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21284 * pa/pa.c (output_call): Likewise.
21286 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21288 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21290 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21293 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21296 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21298 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21299 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21301 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21303 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21305 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21307 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21309 * tree.h (lang_identify): Constify a char*.
21310 (print_error_function): Add extern prototype. Constify a char*.
21312 * c-lang.c (lang_identify): Constify a char*.
21314 * objc/objc-act.c (lang_identify): Constify a char*.
21316 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21318 * genpeep.c (main): Make generated file include "function.h".
21319 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21321 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21323 * Makefile.in: Update dependencies.
21324 * alias.c: Include "function.h"
21325 * c-decl.c: Likewise.
21326 * caller-save.c: Likewise.
21327 * calls.c: Likewise.
21328 * combine.c: Likewise.
21330 * explow.c: Likewise.
21331 * final.c: Likewise.
21332 * global.c: Likewise.
21333 * graph.c: Likewise.
21334 * local-alloc.c: Likewise.
21335 * loop.c: Likewise.
21336 * optabs.c: Likewise.
21337 * profile.c: Likewise.
21338 * recog.c: Likewise.
21339 * regclass.c: Likewise.
21340 * regmove.c: Likewise.
21341 * reload.c: Likewise.
21342 * reorg.c: Likewise.
21343 * resource.c: Likewise.
21344 * sched.c: Likewise.
21345 * stupid.c: Likewise.
21346 * config/1750a/1750a.c: Likewise.
21347 * config/a29k/a29k.c: Likewise.
21348 * config/arc/arc.c: Likewise.
21349 * config/arm/arm.c: Likewise.
21350 * config/arm/thumb.c: Likewise.
21351 * config/c4x/c4x.c: Likewise.
21352 * config/clipper/clipper.c: Likewise.
21353 * config/convex/convex.c: Likewise.
21354 * config/fx80/fx80.c: Likewise.
21355 * config/i860/i860.c: Likewise.
21356 * config/m68k/m68k.c: Likewise.
21357 * config/m88k/m88k.c: Likewise.
21358 * config/mips/mips.c: Likewise.
21359 * config/pdp11/pdp11.c: Likewise.
21360 * config/pyr/pyr.c: Likewise.
21361 * config/romp/romp.c: Likewise.
21362 * config/sh/sh.c: Likewise.
21363 * config/tahoe/tahoe.c: Likewise.
21364 * config/vax/vax.c: Likewise.
21365 * config/we32k/we32k.c: Likewise.
21366 * config/sparc/sparc.c: Include "function.h".
21367 (mem_min_alignment): Test current_function rather than
21368 regno_pointer_align.
21369 * config/pa/pa.c: Likewise.
21370 (compute_frame_size): Delete declaration of
21371 current_function_outgoing_args_size.
21372 * config/arc/arc.h (current_function_varargs): Delete declaration.
21373 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21375 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21377 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21378 current_function_uses_pic_offset_table.
21379 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21380 of current_function_returns_pointer.
21381 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21382 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21383 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21384 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21385 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21386 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21387 * config/m88k/m88k.c: Include "function.h"
21388 (call_used_regs, current_function_pretend_args_size,
21389 current_function_outgoing_args_size, frame_pointer_needed): Delete
21391 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21393 * config/mips/mips.h (current_function_calls_alloca): Delete
21395 * config/mn10200/mn10200.h (current_function_needs_context,
21396 rtx_equal_function_value_matters): Delete declarations.
21397 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21398 flag_pic): Delete declarations.
21399 * config/pa/pa.h (current_function_pretend_args_size,
21400 current_function_decl): Delete declarations.
21401 * config/pa/som.h (current_function_varargs): Delete declaration.
21402 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21404 * config/pyr/pyr.h (current_function_pretend_args_size,
21405 current_function_args_size, current_function_calls_alloca): Delete
21407 * config/sh/sh.h (current_function_varargs): Delete declaration.
21408 * config/sparc/sparc.h (current_function_outgoing_args_size,
21409 current_function_calls_alloca, current_function_decl): Delete
21411 * config/spur/spur.h (current_function_pretend_args_size,
21412 current_function_calls_alloca): Delete declarations.
21413 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21415 * config/vax/vms.h (current_function_name): Delete declaration.
21416 * gcse.c: Include "function.h".
21417 (current_function_name, current_function_calls_setjmp): Delete
21419 * haifa-sched.c: Include "function.h".
21420 (forced_labels): Delete declaration.
21421 * jump.c: Likewise.
21422 * reg-stack.c: Likewise.
21423 * reload1.c: Likewise.
21424 * genemit.c (main): Make generated file include function.h.
21425 * genoutput.c (output_prologue): Likewise.
21427 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21428 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21429 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21430 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21431 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21432 macros for some of them.
21433 (emit_filename, emit_lineno): Delete declarations.
21434 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21435 regno_pointer_* variables through current_function.
21436 (gen_inline_header_rtx): Delete function.
21437 (save_emit_status): Delete function.
21438 (set_new_last_label_num): New function.
21439 (clear_emit_caches): New function.
21440 (restore_emit_status): Just clear last_labelnum and call
21442 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21443 through macro seq_stack.
21444 (add_insn_after): Likewise.
21445 (add_insn_before): Likewise.
21446 (remove_insn): Likewise.
21447 (pop_topmost_sequence): Likewise.
21448 (in_sequence_p): Likewise.
21449 (start_sequence_for_rtl_expr): Likewise.
21450 (start_sequence): Likewise, and likewise for
21451 sequence_rtl_expr/seq_rtl_expr.
21452 (push_topmost_sequence): Likewise.
21453 (end_sequence): Likewise.
21454 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21455 All callers changed. Store into that pointer instead of globals.
21456 (init_emit): Allocate emit elt of current_function.
21457 Changes for sequence_rtl_expr/sequence_stack renaming.
21458 Call clear_emit_caches instead of doing it in-line.
21459 Access regno_pointer_* variables through current_function.
21460 (init_emit_once) Don't clear sequence_stack.
21462 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21464 (arg_pointer_save_area): Delete declaration.
21465 (finish_expr_for_function): Renamed from init_queue; no longer static.
21466 (init_expr): Don't call init_queue.
21467 (save_expr_status, restore_expr_status): Delete functions.
21468 (expand_expr): Changes to reflect new layout of struct function.
21469 Don't access current_function_check_memory_usage when current_function
21471 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21472 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21473 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21474 current_function_uses_const_pool, function_call_count,
21475 current_function_uses_pic_offset_table, nonlocal_labels,
21476 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21477 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21478 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21480 (finish_expr_for_function): Declare.
21481 * flags.h (current_function_has_nonlocal_label,
21482 current_function_has_nonlocal_goto, current_function_is_thunk,
21483 current_function_has_computed_jump): Delete declarations.
21484 * flow.c (forced_labels): Delete declaration.
21485 * function.c (current_function_pops_args,
21486 current_function_returns_struct, current_function_returns_pcc_struct,
21487 current_function_needs_context, current_function_calls_setjmp,
21488 current_function_calls_longjmp, current_function_has_nonlocal_label,
21489 current_function_has_nonlocal_goto, current_function_is_thunk,
21490 current_function_has_computed_jump, current_function_calls_alloca,
21491 current_function_contains_functions, current_function_returns_pointer,
21492 current_function_epilogue_delay_list, current_function_args_size,
21493 current_function_pretend_args_size, current_function_arg_offset_rtx,
21494 current_function_outgoing_args_size, current_function_varargs,
21495 current_function_stdarg, current_function_args_info, cleanup_label,
21496 current_function_name, current_function_uses_const_pool,
21497 current_function_instrument_entry_exit, current_function_return_rtx,
21498 current_function_uses_pic_offset_table, nonlocal_labels,
21499 current_function_internal_arg_pointer, current_function_cannot_inline,
21500 current_function_check_memory_usage, function_call_count,
21501 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21502 nonlocal_goto_stack_level, return_label, save_expr_regs,
21503 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21504 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21505 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21506 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21507 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21509 (push_function_context_to): Don't save them. Don't call
21510 save_storage_status, save_emit_status or save_expr_status.
21511 (pop_function_context_from): Don't restore them. Don't call
21512 restore_storage_status or restore_expr_status.
21513 (get_func_frame_size): New function.
21514 (get_frame_size): Use it.
21515 (assign_outer_stack_local): Reflect some member name changes in struct
21517 (put_reg_into_stack): Likewise.
21518 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21520 (fixup_var_refs): Likewise.
21521 (fix_lexical_addr): Likewise.
21522 (trampoline_address): Likewise.
21523 (prepare_function_start): Clear field inlinable of current_function.
21524 (init_function_for_compilation): New function.
21525 (expand_dummy_function_end): New function.
21526 (expand_function_end): Call finish_expr_for_function.
21527 * function.h (struct emit_status): New; fields moved here from struct
21528 function and from global variables. Add accessor macros for some of
21530 (struct expr_status): Likewise.
21531 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21532 (struct function): Add fields expr and emit, inlinable, inl_emit,
21533 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21534 inl_max_label_num. Add many comments.
21535 Add accessor macros for all elts of struct function that no longer
21536 have a global variable.
21537 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21538 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21539 stack_slot_list): Delete declarations.
21540 (get_func_frame_size): Declare.
21541 (save_expr_status, restore_expr_status, save_emit_status,
21542 save_storage_status, restore_storage_status): Delete declarations.
21543 (init_virtual_regs): Declare.
21544 * output.h (current_function_pops_args,
21545 current_function_returns_struct, current_function_returns_pcc_struct,
21546 current_function_needs_context, current_function_calls_setjmp,
21547 current_function_calls_longjmp, current_function_calls_alloca,
21548 current_function_has_nonlocal_label, current_function_varargs,
21549 current_function_has_computed_jump, current_function_returns_pointer,
21550 current_function_contains_functions, current_function_args_size,
21551 current_function_pretend_args_size, current_function_stdarg,
21552 current_function_outgoing_args_size, current_function_args_info,
21553 current_function_name, current_function_return_rtx,
21554 current_function_epilogue_delay_list,
21555 current_function_uses_const_pool, current_function_cannot_inline):
21556 Delete declarations.
21557 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21558 regno_reg_rtx): Delete declaration.
21559 (REGNO_POINTER_FLAG): Delete macro.
21560 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21561 function were renamed.
21562 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21564 * toplev.c: Include "function.h".
21565 (current_function_decl): Delete declaration.
21566 (compile_file): Call init_dummy_function_start and
21567 expand_dummy_function_end around some initializations that need to
21569 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21570 Call init_function_for_compilation.
21571 * unroll.c: Include "function.h"
21572 (unroll_loop): Access regno_pointer_* variables through
21575 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21576 (DECL_SAVED_INSNS): use it.
21577 (expand_dummy_function_end): Declare.
21578 (init_function_for_compilation): Declare.
21579 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21580 that it's no longer an INLINE_HEADER.
21581 (expand_call): Likewise.
21582 * integrate.c (finish_inline): Delete function.
21583 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21584 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21585 args. Don't generate an INLINE_HEADER rtx, just return the arg
21586 vector. All callers changed.
21587 (save_for_inline_copying): Create a duplicate struct emit_status to
21588 hold the emit state for compiling the current function. Use this and
21589 the other new fields in struct function that are for integration
21590 instead of an INLINE_HEADER.
21591 Use memcpy instead of bcopy.
21592 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21593 (save_for_inline_nocopy): Similar changes, except no new emit_status
21595 (expand_inline_function): Get information from function structure,
21596 not from an inline header rtx.
21597 (output_inline_function): Lose code to extract the necessary
21598 information from an inline header; simply put back the function
21599 structure into current_function. Clear its inlinable elt.
21600 * rtl.def (INLINE_HEADER): Delete.
21601 * rtl.h: Delete all accessors for an INLINE_HEADER.
21602 (gen_inline_header_rtx): Delete declaration.
21603 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21604 Delete declarations.
21605 (REGNO_POINTER_ALIGN): Delete.
21606 (clear_emit_caches): Declare.
21607 (set_new_last_label_num): Declare.
21609 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21611 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21613 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21614 * stmt.c (is_eh_region): Make sure current_function is present, too.
21616 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21618 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21619 for 64bit PA targets.
21621 * pa.h (SELECT_SECTION): Define.
21622 * som.h (SELECT_SECTION): Delete.
21624 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21626 * alias.c (init_alias_analysis): Wrap call to
21627 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21629 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21631 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21632 <sys/asm.h> contains an asm comment with an apostrophe
21633 * fixinc/inclhack.sh: regen
21634 * fixinc/fixincl.x: regen
21636 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21638 * function.c (init_function_start): Clear prologue & epilogue.
21639 (prologue_epilogue_contains): New function.
21640 * alias.c (init_alias_analysis): Use it.
21641 * rtl.h (prologue_epilogue_contains): Declare it.
21643 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21645 * jump.c (onlyjump_p): New function.
21646 * rtl.h: Declare it.
21647 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21648 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21650 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21652 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21653 to invert loops. Simplify block scanning.
21655 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21657 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21658 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21660 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21662 * config/sparc/liteelf.h: New file to support sparclite-elf target
21663 * config/sparc/t-sp86x: New file to support sparc86x targets
21664 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21665 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21666 * configure.in: Support above target triplets
21667 * configure: Regenerated
21669 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21671 * fixinc/server.c (server_setup): Do not prefix function used as
21672 parameter with `&'.
21674 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21676 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21677 Remove fp reg alternatives.
21679 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21681 * Makefiin (TAROUTOPTS): Kill.
21682 (install-headers-tar): Use "xpf" for tar headerfile extraction
21683 * i370/x-oe (TAROUTOPTS): Delete.
21684 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21685 * m68k/x-hp320 (TAROUTOPTS): Delete.
21686 * m68k/x-hp320g (TAROUTOPTS): Delete.
21687 * gcc.texi: Update bug reporting text.
21689 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21691 * reg-stack.c (change_stack) Fixed problem with negative array index.
21693 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21695 * extend.texi, install.texi: Fix spelling mistakes.
21697 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21698 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21699 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21700 PREMADE_ATTRTAB_MD.
21701 * mips/t-ecoff: Likewise.
21702 * mips/t-elf: Likewise.
21703 * mips/t-mips: Likewise.
21704 * mips/t-osfrose: Likewise.
21705 * mips/t-r3900: Likewise.
21706 * mips/t-svr3: Likewise.
21707 * mips/t-svr4: Likewise.
21708 * mips/t-ultrix: Likewise.
21710 * gcc.texi: Document recommend means to provide software floating
21711 point libraries in libgcc.a
21713 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21715 * c-lex.c (yylex): We can have a number with no digits.
21717 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21719 * jump.c (delete_prior_computation): New function, broken
21720 out of delete_computation. Check for side effects with
21721 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21722 multi-word hard registers.
21723 (delete_computation): Use it. Check for side effects with
21724 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21725 missing REG_DEAD note for a register which is both set and
21728 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21730 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21731 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21732 (ASM_FILE_START): Import _mcount with the right type.
21733 (ASM_DECLARE_FUNCTION_NAME): Define.
21734 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21735 * pa.c (output_function_prologue): Always emit the function's label
21737 * pa.h (TEXT_SPACE_P): Define.
21738 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21739 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21740 * som.h (TEXT_SPACE_P): Delete.
21741 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21742 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21744 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21746 * expr.c (emit_group_load): Allow src to be a CONCAT.
21748 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21750 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21751 (___mulsi3): Use '!' comment character.
21753 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21755 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21757 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21759 * gcc.c: Update URLs and mail addresses.
21760 * gcc.texi: Likewise.
21762 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21764 * rs6000.c (current_file_function_operand): Return zero for
21766 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21768 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21771 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21773 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21774 allocate space in the stack frame for the PIC register.
21776 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21778 * m68k.md (xordi3, anddi3): These patterns are not available on
21781 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21783 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21784 (PUT_REAL): Likewise.
21786 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21788 * final.c (shorten_branches): Don't add an alignment for loops
21789 that have no label inside.
21791 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21793 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21794 prototypes in macro HAVE_cmpstrsi.
21796 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21798 * emit-rtl.c (operand_subword): Remove unused variable
21801 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21803 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21805 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21807 * cpphash.c (macroexpand): Delete leading whitespace when arg
21808 is concatenated before.
21809 (unsafe_chars): Correct test for whether + and - can extend a
21812 * cppinit.c (cpp_start_read): Do dependencies for
21813 -include/-imacros files also.
21815 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21816 tokenizing non-directive lines.
21817 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21818 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21821 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21823 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21825 * c-lex.c: Sync with C++ frontend.
21826 (linemode): New variable.
21827 (parse_float): imag, conversion_errno, and type are output only.
21828 (yylex): Adjust. Move initial '.' case into main switch.
21830 (handle_generic_pragma): Just deal with tokens.
21831 (readescape): Use ISXDIGIT and ISGRAPH.
21832 * c-parse.in: Add END_OF_LINE token.
21834 * c-lex.c (lang_init): Generalize.
21835 (nextchar): Remove. Replace uses with UNGETC.
21836 (skip_white_space): Handle linemode here. Optimize for cpplib.
21837 (skip_white_space_on_line): Remove.
21838 (extend_token_buffer_to): New fn.
21839 (extend_token_buffer): Use it.
21840 (read_line_number, check_newline): Just deal with tokens.
21841 (token_getch, token_put_back): New fns.
21842 (yylex): Use them. More cpplib optimizations. Simplify.
21844 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21845 Jason Merrill <jason@yorick.cygnus.com>
21847 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21848 (consume_string): Make this smart about USE_CPPLIB.
21849 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21850 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21851 Also, clean up cases where we redundantly set token_buffer[0].
21852 (read_line_number): New fn.
21853 (ignore_escape_flag): New variable.
21855 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21857 * a29k/t-a29kbare: Fix some comments.
21858 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21859 (FPBIT, DPBIT): Define.
21860 * a29k/t-vx29k: Likewise.
21861 * arc/t-arc: Likewise.
21862 * arm/t-arm-elf: Likewise.
21863 * arm/t-bare: Likewise.
21864 * arm/t-pe: Likewise.
21865 * arm/t-pe-thumb: Likewise.
21866 * arm/t-semi: Likewise.
21867 * arm/t-thumb: Likewise.
21868 * arm/t-thumb-elf: Likewise.
21869 * arm/t-thumb-linux: Likewise.
21870 * h8300/t-h8300: Likewise.
21871 * i960/t-i960: Likewise.
21872 * i960/t-vxworks960: Likewise.
21873 * m32r/t-m32r: Likewise.
21874 * mips/t-ecoff: Likewise.
21875 * mips/t-elf: Likewise.
21876 * mips/t-r3900: Likewise.
21877 * pa/t-pro: Likewise.
21878 * rs6000/t-aix43: Likewise.
21879 * rs6000/t-beos: Likewise.
21880 * rs6000/t-newas: Likewise.
21881 * rs6000/t-ppccomm: Likewise.
21882 * rs6000/t-rs6000: Likewise.
21883 * rs6000/t-winnt: Likewise.
21884 * rs6000/t-xnewas: Likewise.
21885 * rs6000/t-xrs6000: Likewise.
21886 * sh/t-sh: Likewise.
21887 * sparc/t-elf: Likewise.
21888 * sparc/t-sparcbare: Likewise.
21889 * sparc/t-sparclite: Likewise.
21890 * sparc/t-splet: Likewise.
21891 * v850/t-v850: Likewise.
21892 * mn10200/t-mn10200: Fix comments.
21893 * mn10300/t-mn10300: Likewise.
21895 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
21896 dummy operand. Allocate a new pseudo for the dummy operand.
21897 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
21899 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
21901 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
21903 * configure: Rebuilt.
21904 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
21906 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
21908 * recog.c (preproces_constraints): Zero recog_op_alt before
21909 processing the constraints.
21911 * arm.c (typedef minipool_node): Renamed from pool_node.
21912 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
21913 (add_minipool_constant): New function.
21914 (dump_minipool): New function.
21915 (find_barrier): Remove special case for getting the insn size of
21916 an insn that references the constant pool.
21917 (minipool_fixup): New structure.
21918 (push_minipool_barrier): New function.
21919 (push_minipool_fix): New function.
21920 (note_invalid_constants): New function.
21921 (add_pool_constant, dump_table, fixit, broken_move): Delete.
21922 (arm_reorg): Rewrite code to fix up the constant pool into a
21923 series of mini-pools embedded in the insn stream.
21924 (arm_output_epilogue): New function, made mainly from the body
21925 of output_func_epilogue.
21926 (output_func_epilogue): Move insn generation part of epilogue code
21927 to arm_output_epilogue.
21928 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
21929 * arm.md (pool_range): New attribute.
21930 (zero_extendqidi2): Add attribute pool_range.
21931 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
21932 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
21933 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
21934 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
21935 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
21936 (epilogue): New expand.
21937 (epilogue_insn): New insn. Call arm_output_epilogue.
21939 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
21940 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
21942 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21944 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21946 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
21948 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
21950 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
21952 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
21954 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
21956 * global.c: Fix comment.
21958 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
21960 * gcc.c (access_check): New static function.
21961 (find_a_file): Use it when searching a directory list.
21962 * collect2.c (find_a_file): Don't accept directories found when
21963 searching a directory list.
21965 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
21967 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
21968 function parameters with `&'.
21969 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
21971 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
21973 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
21974 or tidy_fallthru_edge if the last insn in the block is not
21975 an unconditional jump or a simple conditional jump.
21977 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21979 * Makefile.in (c-decl.o): Depends on defaults.h.
21981 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
21983 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
21985 (CLASS_MAX_NREGS): Likewise.
21987 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
21989 * cse.c (cse_insn): Fix dumb thinko in last change.
21991 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21993 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
21996 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
21998 * dwarf2out.c (add_location_or_const_value_attribute): Correct
21999 test for sizes of passed and declared parameter types.
22001 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22003 * fixincludes: Fix the return type of bsearch, char* -> void*.
22005 * fixinc/inclhack.def: Likewise.
22007 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
22009 * invoke.texi (-fdump-translation-unit): New option.
22011 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
22013 * expr.h (PROMOTE_PROTOTYPES): Move ...
22014 * defaults.h: ... to here.
22015 * c-decl.c: Include defaults.h instead of expr.h.
22016 * c-typeck.c: Include defaults.h.
22018 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
22020 * toplev.h (errorcount): Declare.
22021 (warningcount): Likewise.
22022 (sorrycount): Likewise.
22023 * c-lex.c (errorcount): Don't declare.
22024 * dwarf2out.c (errorcount): Don't declare.
22026 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
22028 * config/libgloss.h: Add a note discouraging use with ELF.
22029 * configure.in: Don't use libgloss.h for ELF targets.
22030 Always use_collect2 on a.out targets.
22032 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
22034 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
22035 (force_to_mode, case ASHIFTRT): Add shiftrt label.
22037 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22039 * loop.c (strength_reduce): When doing biv->giv conversion, update
22040 reg note of NEXT->insn.
22042 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22044 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
22046 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22048 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
22049 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
22050 Ensure expr.h is included.
22051 * c-typecheck.c (convert_arguments): Ditto.
22053 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
22055 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
22056 * config/convex/convex.h: Ditto.
22057 * config/dsp16xx/dsp16xx.h: Ditto.
22058 * config/fx80/fx80.h: Ditto.
22059 * config/gmicro/gmicro.h: Ditto.
22060 * config/i370/i370.h: Ditto.
22061 * config/i386/i386.h: Ditto.
22062 * config/m32r/m32r.h: Ditto.
22063 * config/m68k/m68k.h: Ditto.
22064 * config/m88k/m88k.h: Ditto.
22065 * config/mips/mips.h: Ditto.
22066 * config/pa/pa.h: Ditto.
22067 * config/pyr/pyr.h: Ditto.
22068 * config/tahoe/tahoe.h: Ditto.
22069 * config/we32k/we32k.h: Ditto.
22071 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
22072 based on arch size.
22074 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
22076 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
22079 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
22081 1999-08-02 Richard Henderson <rth@cygnus.com>
22083 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
22084 for the register spill block.
22085 (m32r_va_arg): New.
22086 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
22087 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
22089 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
22090 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
22091 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
22093 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22095 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
22096 MAX_WCHAR_TYPE defined in sparc.h.
22097 * config/sparc/linuxaout.h: Likewise.
22098 * config/sparc/linux64.h: Likewise.
22099 Also default to -mvis if CPU is UltraSPARC.
22101 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22103 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
22104 (RTX_OK_FOR_OLO10): Likewise.
22105 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
22106 %lo(), allow it in addresses...
22107 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
22108 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
22109 does not make sense.
22110 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
22111 (sparc_output_scratch_registers): New function.
22112 (output_function_prologue, sparc_flat_output_function_prologue): Use
22114 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
22116 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
22117 * configure.in: Add check for .register pseudo-op support in as and
22118 check for offsetable %lo().
22119 * acconfig.h: Add templates for the above checks.
22120 * configure: Regenerate.
22122 1999-08-02 Richard Henderson <rth@cygnus.com>
22124 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
22125 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
22126 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
22128 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22130 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22133 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22135 * config/float-sparc.h: New file.
22136 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22137 sparc-*-linux-gnu and sparc64-*-linux*.
22139 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22141 * rs6000.c (rs6000_va_list): Type is an array.
22142 (rs6000_va_start): Don't doubly adjust for varargs.
22143 (rs6000_va_arg): Evaluate long long GPR adjustment.
22145 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22147 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22148 -maix64 and -maix32.
22149 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22150 LINK_SPEC): Change appropriately.
22151 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22152 (u_short_cint_operand): Likewise.
22153 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22155 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22157 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22159 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22161 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22162 for type promotion.
22163 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22164 (non_add_cint_operand): Likewise.
22165 (logical_operand): Likewise.
22166 (non_logical_cint_operand): Likewise.
22167 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22168 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22169 (rs6000_select_rtx_section): Suppress warning.
22170 (small_data_operand): Suppress warning.
22171 (rs6000_got_register): Suppress warning.
22172 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22173 type, so `J' is generally the wrong constraint for a SImode value;
22175 (andsi3_internal2): Likewise.
22176 (andsi3_internal3): Likewise.
22177 (iorsi3_internal1): Likewise.
22178 (xorsi3_internal1): Likewise.
22180 (movsf_softfloat): Likewise.
22181 (scc insns): Likewise.
22182 (movsi+2): Preserve sign bits of SImode constant.
22183 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22184 (movdf+1): Sign-extend properly.
22185 (movdi_32+1): Sign-extend properly.
22186 (scc insns): Sign-extend properly.
22188 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22191 1999-08-02 Richard Henderson <rth@cygnus.com>
22193 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22194 -mcpu parsing code.
22195 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22196 * alpha.md (all fp insns): Likewise.
22198 1999-08-02 Nick Clifton <nickc@cygnus.com>
22200 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22203 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22205 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22206 pic_load_label generator directly.
22207 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22208 No longer a named pattern.
22210 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22212 * explow.c (force_reg): Call force_operand if X does not
22213 satisfy general_operand.
22215 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22217 * fix-header.c (main): When testing for CONTINUED, use string
22218 equality, not pointer equality.
22220 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22222 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22224 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22226 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22227 that has become an unconditional jump.
22229 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22230 (output_function_epilogue): Similarly.
22232 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22234 * tree.h (init_dummy_function_start): Declare.
22236 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22238 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22239 last_expr_type, last_expr_value, block_start_count, block_stack,
22240 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22241 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22242 dynamically in stmt elt of struct function for each function.
22243 (struct nesting): Rename function_call_count elt to n_function_calls,
22244 target_temp_slot_level to block_target_temp_slot_level. All users
22246 (struct stmt_status): New structure definition.
22247 Add many accessor macros for stmt_status elements which previously
22248 were global variables.
22249 (init_stmt_for_function): Allocate stmt elt for current_function.
22250 Reflect that block_start_count was renamed to
22251 current_block_start_count.
22252 (save_stmt_status, restore_stmt_status): Delete functions.
22253 (preserve_subexpressions_p): Don't access loop_stack when outside
22255 (expand_start_bindings): Reflect that block_start_count was renamed to
22256 current_block_start_count.
22257 (expand_fixup): Likewise.
22258 (expand_decl): Don't access block_stack when outside a function.
22259 (expand_decl_cleanup): Likewise.
22260 (expand_dcc_cleanup): Likewise.
22261 (expand_dhc_cleanup): Likewise.
22262 (expand_anon_union_decl): Likewise.
22263 (set_file_and_line_for_stmt): New function.
22264 (in_control_zone_p): New function.
22266 * function.h (struct function): Add new elt stmt.
22267 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22268 case_stack, nesting_stack, nesting_depth, block_start_count,
22269 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22270 emit_lineno, goto_fixup_chain.
22271 (save_eh_status, restore_eh_status, save_stmt_status,
22272 restore_stmt_status): Delete declarations.
22273 * function.c (push_function_context_to): Don't call save_stmt_status.
22274 (pop_function_context_to): Don't call restore_stmt_status.
22275 * tree.h (in_control_zone_p): Declare.
22276 * rtl.h (set_file_and_line_for_stmt): Declare.
22278 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22279 call set_file_and_line_for_stmt.
22281 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22283 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22284 Also update copyright.
22286 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22288 * c-pragma.c: Don't include "except.h".
22289 * emit-rtl.c: Likewise.
22290 * stor-layout.c: Likewise.
22291 * tree.c: Likewise.
22292 * varasm.c: Likewise.
22294 * flow.c: Include "function.h".
22295 * tree.h (init_dummy_function_start): Declare new function.
22297 * except.h (struct eh_status): New structure.
22298 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22300 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22301 catch_clauses, false_label_stack, caught_return_label_stack,
22302 protect_list, current_function_ehc): Add accessor macros for the
22303 corresponding fields in current_function->eh; delete declarations
22304 for all items that used to be declared here.
22305 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22306 catch_clauses, false_label_stack, caught_return_label_stack,
22307 protect_list, current_function_ehc): Delete variables.
22308 (init_eh_for_function): Allocate current_function->eh.
22309 (save_eh_status, restore_eh_status): Delete functions.
22311 * function.h (struct function): Add fields next_global and eh.
22312 Delete all exception handling related fields.
22313 * function.c (current_function): New variable.
22314 (all_functions): New variable.
22315 (push_function_context_to): Don't allocate a struct function,
22316 use current_function instead. Call init_dummy_function_start when
22317 outside a function. Clear current_function before returning.
22318 (pop_function_context_from): Restore current_function.
22319 Don't free the restored struct function.
22320 (prepare_function_start): New function.
22321 (init_dummy_function_start): New function.
22322 (init_function_start): Break out some code into prepare_function_start
22325 * stmt.c (save_stmt_status): Don't call save_eh_status.
22326 (restore_stmt_status): Don't call restore_eh_status.
22328 * Makefile.in: Update dependencies.
22330 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22332 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22333 of depending on a magic constant value. Update comments.
22334 (hppa_expand_prologue): Similarly.
22336 * pa.md (reload_indi, reload_outdi): Allow any register for the
22337 original reload register.
22339 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22341 * cccp.c (print_help): Change marcos to macros.
22343 1999-07-30 Richard Henderson <rth@cygnus.com>
22345 * c-typeck.c (initializer_constant_valid_p): Move ...
22346 * c-common.c (initializer_constant_valid_p): ... here. Use
22347 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22348 of label addresses.
22349 * c-common.h (initializer_constant_valid_p): Declare.
22350 * c-tree.h (initializer_constant_valid_p): Remove.
22352 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22354 * config/i386/sol2-c1.asm: Align the stack.
22355 * config/i386/sol2-gc1.asm: Likewise.
22357 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22359 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22360 -Asparclite for sparc86x.
22361 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22363 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22365 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22367 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22368 the user if using the non-default arch size in BI_ARCH configuration.
22369 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22371 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22372 Fix patterns so that they actually match.
22373 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22374 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22375 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22377 (mulsidi3): Reflect this in the expand.
22378 (smulsi3_highpart): Only on TARGET_ARCH32.
22379 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22380 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22381 (umulsidi3): Reflect this in the expand.
22382 (umulsi3_highpart): Only on TARGET_ARCH32.
22383 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22384 don't require g0 to be zero.
22385 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22386 ({,u}divsi3): New expands.
22387 ({,u}divsi3_sp64): New patterns.
22388 (after lshrdi3_v8plus): Four new patterns to help combiner
22389 optimizing nested mixed mode shifts.
22391 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22392 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22393 speed things up. Don't use them by default on plain v9 in 64bit
22394 mode, according to what SPAMv9 sais.
22396 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22397 top 32 bits of %[og][0-7] in signal handlers.
22398 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22400 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22402 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22403 (ashlsi3): Corresponding changes.
22405 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22407 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22409 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22411 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22413 * arm.h (Hint): Delete macro.
22414 Substitute HOST_WIDE_INT for Hint in some prototypes.
22415 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22417 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22419 * builtins.c (expand_builtin_setjmp): Use force_operand to
22420 make sure that the buffer address is in a suitable form to be
22421 passed to force_reg.
22423 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22425 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22428 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22430 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22431 proper mode in the condition string.
22432 (icacheflush, dcacheflush): Remove modes from match_operands.
22434 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22435 proper mode before using it.
22437 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22440 * pa.c (store_reg): Do not call add_high_const generator directly.
22441 (load_reg, set_reg_plus_d): Likewise.
22442 * pa.md (add_high_const): No longer a named pattern.
22444 * pa.c (legitimize_address): Consistently use Pmode rather than
22445 SImode. Do not call gen_pic2_highpart directly anymore.
22446 * pa.md (pic2_highpart): No longer a named pattern.
22447 (pic2_lo_sum): Similarly. Reformat to make more readable.
22449 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22454 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22456 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22458 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22460 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22461 and tag the spill mems.
22462 (hppa_va_start): New.
22463 (hppa_va_arg): New.
22464 * pa.h (EXPAND_BUILTIN_VA_START): New.
22465 (EXPAND_BUILTIN_VA_ARG): New.
22467 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22469 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22470 and tag the spill mems.
22471 (mn10300_va_start): New.
22472 (mn10300_va_arg): New.
22473 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22474 (EXPAND_BUILTIN_VA_ARG): New.
22476 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22478 * mn10200.c (mn10200_va_arg): New.
22479 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22481 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22483 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22484 rather than play with TREE_INT_CST_LOW.
22486 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22488 * config/arm/telf.h: Include dbxelf.h.
22489 (CPP_PREDEFINES): Only define if not already defined.
22490 (ASM_IDENTIFY_GCC): Likewise.
22491 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22492 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22493 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22495 (DBX_DEBUGGING_INFO): Don't define.
22496 * config/arm/linux-telf.h: New file.
22497 * config/arm/linux-tgas.h: New file.
22498 * config/arm/t-thumb-linux: New file.
22499 * config/arm/uclinux-elf.h: New file.
22500 * config/arm/uclinux-telf.h: New file.
22501 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22502 thumb-*-uclinux): New targets.
22503 * configure: Regenerate.
22505 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22507 * pa.md (post_store, pre_load): New expanders.
22508 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22509 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22510 need to directly generate RTL for them.
22511 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22514 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22516 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22517 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22518 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22519 (secndary_reload_class): Make TARGET_ELF conditional compile.
22520 (print_operand_address): Similar.
22521 (output_toc): Print all values as hex.
22522 (get_issue_rate): Rearrange and add RS64A and PPC630.
22523 * rs6000.h (processor_type): Add RS64A and PPC630.
22524 (PROCESSOR_POWERPC64): New.
22525 (PROMOTE_MODE): Use word_mode.
22526 (RTX_COSTS): Add RS64A and PPC630.
22527 * rs6000.md (scheduling information): Add lmul and ldiv
22528 representing 64-bit integer multiply and divide. Add rs64a and
22529 PPC630 information.
22530 (ashldi3): Add support for "rldic" instruction.
22531 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22533 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22535 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22536 instead of V8 for sparclite86x in cpu_table.
22538 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22540 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22541 output_file_directive.
22543 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22545 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22546 tree for op1, not the rtl.
22548 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22550 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22551 to m88k_va_start, leaving only the register spill.
22552 (m88k_build_va_list): New.
22553 (m88k_va_start): New.
22554 (m88k_va_arg): New.
22555 * m88k.h (BUILD_VA_LIST_TYPE): New.
22556 (EXPAND_BUILTIN_VA_START): New.
22557 (EXPAND_BUILTIN_VA_ARG): New.
22559 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22561 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22562 Rename from expand_builtin_saveregs.
22563 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22565 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22567 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22568 for the register spill block.
22569 (i960_build_va_list): New.
22570 (i960_va_start): New.
22571 (i960_va_arg): New.
22572 * i960.h (BUILD_VA_LIST_TYPE): New.
22573 (EXPAND_BUILTIN_VA_START): New.
22574 (EXPAND_BUILTIN_VA_ARG): New.
22575 * i960.md (store_multiple): Use change_address on individul mems.
22577 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22579 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22581 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22582 (expand_builtin_va_end): Evaluate arg for side effects.
22583 * c-common.c (c_common_nodes_and_builtins): Construct a
22584 va_list_arg_type_node to handle array decomposition to pointer.
22586 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22588 * except.c (st_dynamic_cleanup): Use force_operand on the
22591 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22593 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22594 * c4x.c (c4x_va_arg): New.
22596 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22598 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22599 has manual_pop set.
22601 1999-07-26 Nathan Sidwell <nathan@acm.org>
22603 * eh-common.h (__eh_matcher): Prototype correctly.
22605 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22607 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22608 (TARGET_SINGLE_PIC_BASE): Likewise.
22609 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22611 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22612 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22613 (TARGET_OPTIONS): Add -mpic-register=N.
22614 (OUTPUT_INT_ADDR_CONST): New macro.
22615 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22616 LEGITIMATE_PIC_OPERAND_P): Likewise.
22617 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22618 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22619 output_addr_const directly.
22620 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22622 (thumb_pic_register, thumb_pic_register_string): Declare.
22624 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22626 (label_mentioned_p): New function: Imported from arm.c.
22627 (legitimize_pic_address): New function: Imported from arm.c.
22628 (is_pic):New function: Imported from arm.c.
22629 (thumb_finalize_pic):New function: Imported from arm.c.
22630 (add_constant): Cope with PIC constants.
22631 (fixit): Cope with PIC constants.
22632 (output_return): Do not treat the PIC register as live if
22633 TARGET_SINGLE_PIC_BASE is true.
22634 (thumb_function_prologue): Do not treat the PIC register as live if
22635 TARGET_SINGLE_PIC_BASE is true.
22636 (thumb_expand_prologue): Do not treat the PIC register as live if
22637 TARGET_SINGLE_PIC_BASE is true.
22638 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22639 TARGET_SINGLE_PIC_BASE is true.
22640 (thumb_print_operand): Accept '|'.
22641 (thumb_override_options): Process PIC options.
22643 * config/arm/thumb.md (movsi): Support PIC.
22644 (call_insn): Change "i" constraint to "X".
22645 (call_value_insn): Likewise.
22646 (consttable_4, consttable_8, consttable_end): Set and clear
22647 "making_const_table" as appropriate.
22648 (pic_load_addr, pic_add_dot_plus_four): New insns.
22650 * invoke.texi (Thumb Options): Fix spelling. Document new
22651 options -msingle-pic-base and -mpic-register=.
22653 1999-07-26 Andrew Haley <aph@cygnus.com>
22655 * config/m32r/initfini.c (__init): Use a full word immediate for
22656 __fini: this allows it to be placed in any memory region.
22658 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22659 -mmodel=medium. This is OK for all memory models.
22661 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22663 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22664 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22666 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22668 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22671 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22673 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22675 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22676 (BUILD_VA_LIST_TYPE): New.
22677 (EXPAND_BUILTIN_VA_START): New.
22678 (EXPAND_BUILTIN_VA_ARG): New.
22679 * i860.c (output_delayed_branch): Disable.
22680 (output_delay_insn): Likewise.
22681 (i860_saveregs): New.
22682 (i860_build_va_list): New.
22683 (i860_va_start): New.
22684 (i860_va_arg): New.
22685 * i860.md: Disable all peepholes using output_delayed_branch.
22686 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22688 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22690 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22691 (BUILD_VA_LIST_TYPE): New.
22692 (EXPAND_BUILTIN_VA_START): New.
22693 (EXPAND_BUILTIN_VA_ARG): New.
22694 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22695 Return the address of the save area.
22696 (clipper_build_va_list): New.
22697 (clipper_va_start): New.
22698 (clipper_va_arg): New.
22700 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22702 * arc.h (EXPAND_BUILTIN_VA_START): New.
22703 (EXPAND_BUILTIN_VA_ARG): New.
22704 * arc.c (arc_setup_incoming_varargs): Set alias set of
22706 (arc_va_start): New.
22709 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22711 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22712 (BUILD_VA_LIST_TYPE): New.
22713 (EXPAND_BUILTIN_VA_START): New.
22714 (EXPAND_BUILTIN_VA_ARG): New.
22715 * alpha.c (alpha_builtin_saveregs): Delete.
22716 (alpha_build_va_list): New.
22717 (alpha_va_start): New.
22718 (alpha_va_arg): New.
22720 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22722 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22724 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22725 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22727 * gcc.texi: More changes related to list conversion.
22728 * invoke.texi: Likewise.
22730 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22732 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22733 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22734 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22735 (stabilize_va_list): New function.
22736 (std_expand_builtin_va_start): New function.
22737 (expand_builtin_va_start): New function.
22738 (get_varargs_alias_set): New function.
22739 (std_expand_builtin_va_arg): New function.
22740 (expand_builtin_va_arg): New function.
22741 (expand_builtin_va_end): New function.
22742 (expand_builtin_va_copy): New function.
22743 (expand_builtin): Call them.
22744 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22745 __builtin_{varargs_start,stdarg_start,end,copy}.
22746 (build_va_arg): New function.
22747 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22748 (build_va_arg): Declare.
22749 * c-decl.c (ptr_type_node, va_list_type_node): New.
22750 * c-parse.gperf (__builtin_va_arg): New.
22751 * c-parse.in (VA_ARG): New token.
22752 (unary_expr): Recognize it.
22753 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22754 * expr.h (std_expand_builtin_va_start): Declare.
22755 (std_expand_builtin_va_arg): Declare.
22756 (expand_builtin_va_arg): Declare.
22757 (get_varargs_alias_set): Declare.
22758 * tree.def (VA_ARG_EXPR): New.
22759 * tree.h (BUILT_IN_VARARGS_START): New.
22760 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22761 (ptr_type_node, va_list_type_node): Declare.
22762 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22763 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22764 * m88k.h, m88k.c: Likewise.
22765 * mn10300.h, mn10300.c: Likewise.
22766 * pa.h, pa.c: Likewise.
22767 * rs6000.h, rs6000.c: Likewise.
22768 * sh.h, sh.c: Likewise.
22769 * sparc.h, sparc.c: Likewise.
22771 * emit-rtl.c (operand_subword): Copy alias set.
22772 (change_address): Likewise.
22774 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22776 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22777 not just the first one.
22779 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22781 * config/arm/arm.h (TARGET_SWITCHES): Add
22782 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22783 (TARGET_OPTIONS): Add -mpic-register=.
22784 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22785 (arm_pic_register_string): Declare.
22786 (NEED_PLT_GOT): Delete, replace with ...
22787 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22788 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22789 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22790 * config/arm/arm.c (arm_override_options): Add new option
22792 (arm_pic_register_string): New variable.
22793 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22794 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22795 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22796 (output_return_instruction): Likewise.
22797 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22798 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22799 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22801 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22802 mention of -msched-prolog. Document new options -msingle-pic-base
22803 and -mpic-register=.
22805 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22807 * haifa-sched.c (reemit_notes): Tidy.
22808 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22811 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22813 * explow.c (trunc_int_for_mode): New function.
22814 (plus_constant_wide): Use it.
22815 * combine.c (simplify_and_const_int): Likewise.
22816 (merge_outer_ops): Likewise.
22817 (simplify_shift_const): Likewise.
22818 * cse.c (simplify_unary_operation): Likewise.
22819 (simplify_binary_operation): Likewise.
22820 * emit-rtl.c (operand_subword): Likewise.
22821 * rtl.h: Declare it.
22823 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22825 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22826 (use NUM_REGS instead of NUM_INTS).
22828 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22830 * builtins.c: New file.
22831 * expr.c (saveregs_value, apply_args_value): Delete definition,
22832 moved into builtins.c.
22833 (string_constant): No longer static.
22834 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22835 apply_args_size, apply_result_size, result_vector,
22836 expand_builtin_apply_args, expand_builtin_apply,
22837 expand_builtin_return): Delete functions, moved into builtins.c.
22838 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22839 * expr.h (saveregs_value, apply_args_value): Declare variables.
22840 (expand_builtin, string_constant): Declare functions.
22841 * Makefile.in: Update to build builtin.o.
22843 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22845 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22846 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22847 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22848 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22850 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22853 1999-07-21 Michael Meissner <meissner@cygnus.com>
22855 * print-rtl.c (print_rtx): Print the names of the virtual
22858 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22860 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22861 introduced in previous delta.
22863 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22865 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22866 to avoid name clash.
22868 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22870 * c-lex.c (yylex) : Correct the test for overflow when lexing
22873 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22875 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22876 (adjust_priority): Always call ADJUST_PRIORITY.
22877 (schedule_insn): Only put insns into the ready at cost 0.
22878 (schedule_block): Remove redundant initial sort. Give clock_var
22879 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22881 * tm.texi (MD_SCHED_REORDER): Update docs.
22883 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22884 * sparc.c (ultra_reorder_called_this_block): Delete.
22885 (ultrasparc_sched_init): Don't set it.
22886 (ultrasparc_sched_reorder): Don't check it.
22888 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
22890 * rs6000.h (struct rs6000_args): Add sysv_gregno.
22891 * rs6000.c (init_cumulative_args): Init sysv_gregno.
22892 (function_arg_boundary): Align DFmode.
22893 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
22894 to get fp reg and stack overflow correct.
22895 (function_arg): Likewise.
22896 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
22897 (setup_incoming_varargs): Restructure for ABI_V4; use
22898 function_arg_advance to skip final named argument.
22899 (expand_builtin_saveregs): Properly unskip the last integer arg
22900 when doing varargs. Adjust overflow location calculation.
22902 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
22903 explicitly unsigned.
22904 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
22905 (__VA_GP_REGSAVE): Similarly.
22906 (__va_longlong_p): Delete.
22907 (__va_arg_type_violation): New declaration.
22908 (va_arg): Restructure. Flag promotion errors. Align double.
22909 TFmode passed by reference.
22911 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
22912 in the HOST_BITS_PER_WIDE_INT > 32 case.
22914 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
22916 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
22918 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
22920 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
22921 * toplev.c (documented_lang_options): Add -fpreprocessed.
22922 * cpplib.h (struct cpp_buffer): Add preprocessed.
22923 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
22924 (cpp_start_read): Don't expand macros or emit an initial #line
22925 directive if -fpreprocessed.
22927 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22929 * cpplib.h (struct cpp_buffer): Added manual_pop for
22930 better C++ tokenization.
22931 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
22932 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
22933 * c-common.c (cpp_token): Make non-static.
22935 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22937 * c-common.h: New file.
22938 * c-common.c (permanent_obstack): Delete unused declaration.
22939 (c_global_trees): New array.
22940 (c_common_nodes_and_builtins): New function; split off common code
22941 from init_decl_processing in both c-decl.c and cp/decl.c.
22942 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
22943 c_global_trees and accessor macros defined in c-common.h.
22944 Include c-common.h.
22945 * c-decl.c: Delete definitions for tree nodes that were replaced by
22947 (init_decl_processing): Build void_list_node.
22948 Call c_common_nodes_and_builtins; delete code to generate the common
22950 * objc/objc-act.c (build_module_descriptor): Rename variable
22951 void_list_node to avoid clash with c-common.h.
22953 * Makefile.in: Update dependencies.
22954 * objc/Make-lang.in: Likewise.
22956 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
22958 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
22959 (UNIQUE_SECTION_P): Likewise.
22960 (UNIQUE_SECTION): Likewise.
22962 1999-07-19 Linas Vepstas <linas@linas.org>
22964 * config/i370/README: New file.
22965 * config/i370/linux.h: New file.
22966 * config/i370/mvs.h: New file.
22967 * config/i370/oe.h: New file.
22968 * config/i370/t-linux: New file.
22969 * config/i370/t-mvs: New file.
22970 * config/i370/t-oe: New file.
22971 * config/i370/x-oe: New file.
22972 * config/i370/xm-linux.h: New file.
22973 * config/i370/xm-mvs.h: New file.
22974 * config/i370/xm-oe.h: New file.
22976 * i370.c (label_node_t): Add first_ref_page, label_addr,
22977 label_first_ref, label_last_ref members.
22978 (mvs_need_base_reload): Renamed from mvs_label_emitted.
22979 (MAX_MVS_LABEL_SIZE): Define.
22980 (MAX_LONG_LABEL_SIZE): Define.
22981 (alias_node_t, alias_anchor, alias_number): New.
22982 (mvs_function_table): Reorder for EBCDIC.
22983 (ascebc, ebcasc): Unconditionally define.
22984 (i370_branch_dest, i370_branch_length): New functions.
22985 (i370_short_branch, i370_label_scan): New functions.
22986 (mvs_get_label): Renamed from mvs_add_label. Search for
22987 an existing label before creating a new one.
22988 (mvs_add_label): New function.
22989 (mvs_get_label_page): New function.
22990 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
22991 over the entire list.
22992 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
22993 (mvs_check_page) [TARGET_ELF_ABI]: New function.
22994 (mvs_add_alias, mvs_need_alias): New functions.
22995 (mvs_get_alias, mvs_check_alias): New functions.
22996 (handle_pragma): New function.
22997 (mvs_function_check): New function.
22998 (unsigned_jump_follows_p): Search harder.
22999 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
23000 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
23001 * i370.h (TARGET_VERSION): Delete.
23002 (CPP_SPEC, CPP_PREDEFINES): Delete.
23003 (mvs_label_emitted): Delete.
23004 (TARGET_EBCDIC): Delete.
23005 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
23006 (HANDLE_PRAGMA): Define.
23007 (HARD_REGNO_NREGS): Handle complex modes.
23008 (HARD_REGNO_MODE_OK): Likewise.
23009 (CLASS_MAX_NREGS): Likewise.
23010 (RET_REG): Likewise.
23011 (EXTRA_CONSTRAINT): Define.
23012 (RETURN_IN_MEMORY): True for DImode.
23013 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
23014 (FUNCTION_PROFILER): Delete.
23015 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
23016 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
23017 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
23018 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
23019 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
23020 (ASM_FILE_START): Add "RMODE ANY".
23021 (ASM_OUTPUT_EXTERNAL): Check for aliases.
23022 (ASM_GLOBALIZE_LABEL): Likewise.
23023 (ASM_OUTPUT_LABELREF): Likewise.
23024 (ASM_OUTPUT_COMMON): Likewise.
23025 (PRINT_OPERAND): Handle 'K', 'W', default.
23026 (PRINT_OPERAND_ADDRESS): New.
23027 (Lots of defines): Add support for TARGET_ELF_ABI.
23028 * i370.md (attr length): New. Define for all patterns.
23029 (*): Lots of tweeks to assembly output and constraints.
23031 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
23033 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
23034 Disable patterns performing SImode comparisons with SImode values
23035 if TARGET_POWERPC64 and instruction does not sign-extend or does
23036 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
23037 differ for signed quantities.
23038 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
23039 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
23040 (decrement_and_branch_on_count): Add 64-bit variant.
23042 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23044 * final.c (output_asm_insn): When searching for the matching string
23045 for a given dialect, don't run past the end of the list of
23046 alternatives if there are fewer alternatives in the template than
23049 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
23051 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
23052 Removed paragraph about compression of files and size limitation,
23053 duplicated in the FAQ. Use gcc-patches for posting patches.
23054 * gcc.c (main): Updated URL with bug reporting instructions to
23055 gcc.gnu.org. Removed e-mail address.
23056 * system.h (abort): Likewise.
23058 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23060 * Makefile.in (stmp-multilib-sub): Make the files extracted
23061 from $(LIBGCC1) writable.
23063 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
23065 * config/arm/aout.h: Reformat for improved readability.
23067 * config/arm/arm.h: Reformat for improved readability.
23068 Replace uses of fprintf with asm_fprintf where appropriate.
23069 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
23070 function declaration assembler actions.
23071 (NUM_INTS): New macro: Convert from bytes to words.
23072 (NUM_REGS): New macro: Compute number of registers required to
23073 hold a quanitity of tyep MODE.
23074 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
23076 (NUM_ARG_REGS): New macro: The number of argument registers
23078 (ARG_REGISTER): New macro: Compute the register number of the Nth
23080 (LAST_ARG_REGNUM): New macro: The number of the last argument
23082 (SP_REGNUM): New macro: Register number of the stack pointer.
23083 (FP_REGNUM): New macro: Register number of the frame pointer.
23084 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
23085 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
23086 CUMULATIVE_ARGS so that it counts registers not bytes.
23088 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
23090 Replace uses of fprintf with asm_fprintf where appropriate.
23091 (output_ascii_pseudo_op): Replace with version from thumb.c
23093 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
23095 * config/arm/elf.h (CPP_PREDEFINES): Replace with
23096 SUBTARGET_CPP_SPEC.
23097 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
23098 (ASM_FILE_START): Emit ASM_APP_OFF.
23100 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
23102 * pa.c (compute_frame_size): Round frame according to
23103 STACK_BOUNDARY rather than a hardwired value.
23105 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
23107 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
23109 * configure: Rebuilt.
23111 * configure.in (hppa*-*-linux*): New configuration.
23112 * configure: Rebuilt.
23113 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
23114 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
23115 * pa/pa-linux.h: New file.
23116 * pa/t-linux: New file.
23117 * pa/xm-linux.h: New file.
23119 * pa.c (hppa_legitimize_address): Change references from SImode to
23120 either Pmode or word_mode as appropriate.
23121 (emit_move_sequence, store_reg, load_reg): Likewise.
23122 (set_reg_plus_d, hppa_expand_prologue): Likewise.
23123 (output_mul_insn): Likewise.
23124 * pa.h (PROMOTE_MODE): Likewise.
23125 (INITIALZE_TRAMPOLINE): Likewise.
23126 (Pmode): Define to word_mode.
23128 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
23129 value of 4. Allocate 8 bytes for each FP register save.
23130 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23132 (hppa_expand_prologue): Likewise.
23133 * pa.h (PROMOTE_MODE): Likewise.
23134 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23135 (FUNCTION_ARG_BOUNDARY): Likewise.
23137 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23139 * pa.c (out_of_line_prologue_epilogue): Delete.
23140 (override_options): Remove -mspace related code.
23141 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23142 (compute_frame_size): Only allocate space for register that
23143 actually need to be saved.
23144 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23145 (TARGET_SWITCHES): Remove -mspace, -mno-space
23146 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23147 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23148 * pa/ee.asm, pa/ee_fp.asm: Delete.
23150 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23152 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23153 directive in column zero.
23155 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23157 * m68k.c (output_function_prologue): Fix computation of save mask
23158 when generating PIC code.
23160 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23162 * tree.c (build_type_attribute_variant): Move current_obstack restore
23163 after build_qualified_type call.
23165 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23167 * configure.in: Use t-iris6, even with GNU LD.
23168 * config/mips/iris6gld.h: Fix typo in linker spec.
23169 * config/mips/t-iris6gld: Remove.
23171 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23173 * rs6000.md (insv, extzv): Remove SImode dependence in named
23174 patterns. Explicitly generate DImode RTL if PowerPC64 and
23176 (insvdi): Reverse start and size in instruction template.
23178 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23180 * invoke.texi: Typo fixes.
23182 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23184 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23185 handle at this time instead of silently generating incorrect code.
23186 (gen_imagpart): Likewise.
23188 * reload.c (find_reloads): Emit a USE for a pseudo register without
23189 a hard register if we could not create an optional reload for the
23192 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23194 * c-typeck.c (output_init_element, process_init_element):
23195 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23196 check for nameless bit fields.
23198 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23200 * regclass.c (scan_one_insn): Notice subregs that change the
23201 size of their operand.
23202 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23204 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23206 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23207 * configure: Rebuilt.
23208 * alpha/t-ieee: New file.
23210 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23212 * rs6000.c (find_addr_reg): Do not select r0 as an address
23215 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23217 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23219 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23221 * rs6000.md (movsf): Do not force easy FP constants into memory.
23223 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23224 immed_double_const to ensure they are properly truncated then
23227 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23229 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23230 always unless NO_DEBUG is used. Compile this code
23232 (replace_symbols_in_block): Compile it unconditionally.
23234 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23236 * configure.in (i?86-*-elf*): New target.
23237 * configure: Rebuilt.
23238 * i386/i386elf.h, i386/t-i386elf: New files.
23240 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23242 * toplev.c (main): Don't complain about saying -gdwarf.
23243 (rest_of_compilation): Remove redundant code.
23245 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23247 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23249 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23251 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23252 "Li960R:", to avoid name clash.
23254 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23256 * loop.c (check_dbra_loop): When reversing a loop, delete all
23257 REG_EQUAL notes referencing the reversed biv except those which are
23258 for a giv based on it.
23260 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23262 * version.c: Drop "gcc-" prefix from version #.
23264 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23266 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23267 the label if we're being verbose.
23269 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23271 * m68k.c (output_function_prologue): Add pic register to mask
23272 if live and flag_pic.
23273 (output_function_epilogue): Likewise.
23275 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23277 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23278 directives in column zero.
23280 * pa/elf.h (ASM_FILE_START): Define.
23281 * pa/som.h (ASM_FILE_START): Include .level directives.
23282 * pa/hpux10.h (ASM_FILE_START): Delete.
23283 * pa/hpux11.h (ASM_FILE_START): Delete.
23285 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23287 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23289 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23290 when reload_out equals reload_in.
23292 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23294 * invoke.texi (Spec Files): New node: Describe the contents of
23297 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23299 * invoke.texi (DEC Alpha Options): Put @end table at
23300 beginning of line, to avoid confusing texi2html.
23302 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23304 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23305 introduced in previous delta.
23307 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23309 * reload1.c (gen_reload): When synthesizing a 3 operand add
23310 sequence, improve test for when to reload OP1 into the reload
23311 register instead of OP0.
23313 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23315 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23317 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23319 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23322 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23324 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23325 (va_dcl): Use __builtin_va_alist_t.
23327 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23329 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23330 on the permanent_obstack.
23331 * dwarfout.c (output_type): Likewise.
23333 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23335 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23336 Merged from c-typeck.c and cp/typeck.c.
23337 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23338 Merged into c-common.
23340 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23342 * c-lex.c (errorcount): Declare it.
23343 (finish_parse): Update errorcount when using CPPLIB.
23345 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23347 * fixinc/inclhack.def(end_else_label): Double the backslash so
23348 sed gets a chance to see it.
23349 * fixinc/inclhack.sh: regen
23350 * fixinc/fixincl.x: regen
23352 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23354 Add framework to support armv5 architecture when it becomes
23357 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23358 (arm_arch5): New variable.
23359 (all_architectures): Add armv5 line.
23360 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23361 -march=armv5 is specified on the command line.
23362 (arm_arch5): Export this variable.
23363 * invoke.texi: Document new string accepted by -march= switch for
23366 * config/arm/arm.h: Replace use of constant 12 as a register
23367 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23368 * config/arm/arm.c: Replace use of constant 12 as a register
23369 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23371 * config/arm/elf.h: Tidy up.
23372 * config/arm/coff.h: Tidy up.
23374 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23376 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23377 * gcc/config/mips/t-iris6gld: New file.
23378 * gcc/config/mips/iris6gld.h: Likewise.
23380 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23382 * c-decl.c (widest_integer_literal_type_node,
23383 widest_unsigned_literal_type) : New.
23384 (init_decl_processing): Handle/use the two new types.
23385 * c-common.c (type_for_size,type_for_mode) : Same.
23386 * c-lex.c (yylex) : Same.
23387 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23389 * c-tree.h (widest_integer_literal_type_node,
23390 widest_unsigned_literal_type) : New.
23392 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23394 * dwarfout.c (field_byte_offset): Correctly compute the object's
23395 byte offset for the first bit of a field which crosses an alignment
23396 boundary on a !BYTES_BIG_ENDIAN target.
23398 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23400 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23403 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23404 Jeff Law <law@cygnus.com>
23406 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23409 * except.c: Include intl.h.
23410 (expand_eh_return): Set current_function_cannot_inline.
23411 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23412 * function.h (struct function): Add eh_return_stub_label.
23413 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23414 * Makefile.in (except.o): Depend on intl.h.
23416 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23418 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23419 same as offsettable in cases 1 and 2.
23421 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23423 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23424 (extlh, extwh): Likewise.
23426 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23428 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23430 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23432 * configure.in: Add arm-pe and thumb-pe targets.
23433 * configure: Regenerate.
23435 * thumb.c (arm_naked_function_p): New function: Determines if
23436 a function is naked (has no gcc generated prologue/epilogue).
23437 (is_called_in_ARM_mode): Return true if the func has the
23438 interfacearm attribute.
23439 (output_return): Do not generate a return for naked functions.
23440 (thumb_function_prologue): Do not generate a prologue for
23442 (thumb_expand_prologue): Do not generate a prologue for naked
23444 (thumb_expand_epilogue): Do not generate an epilogue for naked
23446 (arm_valid_machine_decl_attribute): New function, copied from
23447 arm.c: Permit naked and interfacearm attributes.
23449 * config/arm/pe.c: New file: Support code for arm-pe target.
23450 * config/arm/pe.h: New file: Header file for arm-pe target.
23451 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23452 * config/arm/t-thumb-pe: New file: Makefile fragment for
23455 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23457 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23458 -fPIC or -fpic is specified.
23460 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23462 * expr.c (emit_block_move): Use copy_to_mode_reg for
23463 !TARGET_MEM_FUNCTIONS case too.
23465 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23467 * configure: Rebuilt.
23468 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23469 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23470 definitions made redundant by dbxelf.h inclusion. Delete
23471 lots of definitions related to assembly output that are
23472 specific to the SOM object format.
23473 * pa.c (output_function_prologue): Do not emit the function's
23475 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23476 * pa-pro.h: Deleted.
23477 * som.h: New file with SOM specific definitions.
23478 * elf.h: New file with ELF specific definitions.
23480 * elfos.h (const_section): Output a tab before assembler directives.
23481 (ctors_section, dtors_section): Likewise.
23482 (ASM_OUTPUT_SECTION_NAME): Likewise.
23484 * pa/pa1.h: Delete unused file.
23486 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23488 * configure.in (hppa*-hp-hpux11*): New configuration.
23489 * configure: Rebuilt.
23490 * pa/pa-hpux11.h: New file.
23491 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23494 * mips.md (leasi, leadi): New patterns.
23496 * expr.c (emit_block_move): Properly handle case where one of the
23497 block move arguments has a queued increment or decrement.
23498 (clear_storage): Similarly. Fix formatting goof.
23500 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23502 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23503 semicolon from the BSD VA_LIST replacement expression.
23505 * fixinc/inclhack.sh: regen
23506 * fixinc/fixincl.x: regen
23508 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23509 now use the fixincl program.
23511 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23513 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23514 case. Also make the PIC register call_used.
23516 * m68k.h (FINALIZE_PIC): Delete.
23517 * m68k.c (finalize_pic): Delete.
23519 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23521 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23524 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23526 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23528 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23530 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23532 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23534 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23536 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23538 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23540 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23542 * rs6000.c (output_toc): Always use hex values for floating-point
23543 constants. Store single-precision values in upper-half of TOC
23544 entry in 64-bit mode.
23545 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23546 to final constraints.
23547 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23548 (fctiwz): Improve accuracy of RTL for pattern.
23550 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23552 * expr.c (expand_expr): Allow RTL_EXPR's through the
23553 MAX_INTEGER_COMPUTATION_MODE checks.
23555 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23557 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23558 such that MASK_SUPPORT_ARCH is not negative.
23560 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23562 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23563 ADDR_DIFF_VEC insns that appear inside loops.
23565 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23566 Jeff Law <law@cygnus.com>
23568 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23569 Handle LO_SUM the same as offsettable in cases 1 and 2.
23570 * rs6000.c (find_addr_reg): Revert previous patch.
23572 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23574 * system.h (strstr): New external function declaration.
23575 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23576 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23577 * config.in, configure: Rebuilt.
23579 1999-06-24 Tom Tromey <tromey@cygnus.com>
23581 * gcc.c (main): Read user-specified specs files after computing
23582 additional startfile_prefixes.
23584 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23586 Revert these two patches:
23588 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23589 * loop.c (strength_reduce): When doing biv->giv conversion, update
23590 reg note of NEXT->insn.
23592 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23593 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23595 (recombine_givs): Set ix field after sorting.
23597 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23599 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23600 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23602 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23604 *fixinc/inclhack.def: Add fix development commentary
23605 (read_ret_type): reactivate and add selection clause
23606 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23607 *fixinc/{fixincl.x|inclhack.sh}: regen
23609 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23611 * expr.c (expand_expr): STRIP_NOPS before checking against
23612 MAX_INTEGER_COMPUTATION_MODE
23613 (check_max_integer_computation_mode): Likewise.
23615 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23617 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23619 1999-06-22 Jim Wilson <wilson@cygnus.com>
23621 * expr.c (store_expr): When target is a promoted subreg, return a
23622 promoted subreg as a result.
23624 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23626 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23628 (dwarf2out_define): Mark unused parameters appropriately.
23629 (gen_unspecified_parameters_die): Ditto.
23630 (gen_subprogram_die): Fix signed/unsigned warnings.
23631 (gen_variable_die): Ditto.
23633 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23635 * fixinc/inclhack.def(end_else_label): combined else_label
23636 and endif_label and fixed the sed expression.
23637 *fixinc/{fixincl.x|inclhack.sh}: regen
23639 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23641 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23642 'x' when handling non-offsettable addresses
23644 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23646 * final.c (shorten_branches): Don't try to split an insn that has
23649 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23651 * config/mips/mips.c (symbolic_expression_p): New function.
23652 (mips_select_rtx_section): Put symbolic expressions in the
23653 data section, not the read-only data section.
23655 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23657 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23659 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23661 * collect2.c (main): Log frame table count.
23662 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23663 (scan_prog_file) [COFF]: Handle frame tables.
23665 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23666 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23667 * alpha/elf.h: Undef them again.
23668 * alpha/vms.h: Remove their definitions.
23670 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23672 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23673 remove the clobber of r0 and change the REG_UNUSED note to
23676 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23678 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23679 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23680 fits in HOST_WIDE_INT and one uses union to access a long constant
23683 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23685 * sparc.c (sparc_override_options): Don't allow profiling for
23686 code models other than medlow.
23687 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23688 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23689 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23690 (sparc_block_profiler): Likewise.
23691 (sparc_function_block_profiler_exit): Likewise.
23692 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23693 (FUNCTION_BLOCK_PROFILER): Likewise.
23694 (BLOCK_PROFILER): Likewise.
23695 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23696 (MCOUNT_FUNCTION): New.
23697 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23698 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23699 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23700 (MCOUNT_FUNCTION): New.
23701 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23702 (BLOCK_PROFILER): Delete.
23703 (MCOUNT_FUNCTION): New.
23705 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23707 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23709 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23711 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23714 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23717 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23720 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23723 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23725 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23728 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23730 * i386/djgpp.h (LIB_SPEC): New.
23731 (STARTFILE_SPEC): New.
23733 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23735 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23737 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23740 * system.h (WSTOPSIG): New macro.
23742 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23744 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23746 (insert_pack_attributes): Take into account member natural
23749 * i386/winnt.c (exports_head): New static variable.
23750 (i386_pe_record_exported_symbol): New function.
23751 (i386_pe_asm_file_end): Use.
23752 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23753 symbols to be emitted at end of assembly.
23754 (ASM_DECLARE_OBJECT_NAME): Likewise.
23755 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23757 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23760 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23762 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23765 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23767 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23768 zapping reg_last_uses directly.
23769 (sched_analyze_2, sched_analyze_insn): Likewise.
23770 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23772 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23774 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23775 attributes for cases 1 and 2.
23777 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23779 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23782 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23784 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23786 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23788 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23789 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23790 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23791 must be stacked if it is used for PIC accesses.
23792 * arm.c (use_return_insn): Handle PIC register specially.
23793 (output_return_instruction): Likewise.
23794 (output_func_{prologue,epilogue}): Likewise.
23795 (output_expand_prologue): Likewise.
23797 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23798 (*strsi_predec): Renamed from *strqi_predec.
23799 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23800 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23802 * arm.c (arm_override_options): Remove warning about PIC code
23803 not being supported.
23805 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23807 * rs6000.c (find_addr_reg): New function.
23808 * rs6000.h (find_addr_reg): Declare.
23809 (offsettable_addr_operand): Delete.
23810 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23811 from and stores to GPRs.
23813 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23815 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23816 gen_sequence as argument to emit_no_conflict_block.
23818 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23820 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23821 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23822 *fixinc/fixincl.x: regen
23823 *fixinc/inclhack.sh: regen
23825 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23827 * added support for -mpcrel (PC relative addressing for m68k)
23828 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23829 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23830 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23831 (comments for general_src_operand): Add some explanation
23832 about EXTRA_CONSTRAINTS.
23833 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23834 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23835 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23836 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23837 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23838 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23839 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23840 if not already set.
23841 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23842 * m68k.h (TARGET_PCREL): New target flag.
23843 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23844 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23845 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23846 contains a SYMBOL_REF. Relax this constraint during reload, since
23847 we want to use the predicates, not reload's built-in concept of a
23848 valid memory address, to control what insns need reloading.
23849 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23850 operands (essentially 'g', 'm', and 's' under normal circumstances).
23851 * m68k.c (print_operand): Cause printing of pc-relative addresses
23852 to include pc register.
23853 (print_operand_address): Ditto.
23854 (general_src_operand): Accept operands that are not only
23855 general_operands, but are also valid when used as a pc-relative
23857 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23858 (memory_src_operand): Similar, for memory_operands.
23859 (pcrel_address): New predicate to accept the special case of a
23860 pc-relative address.
23861 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23862 QImode insns to accept *_src_operand instead of *_operand where
23863 pc-relative operands can fit. For example, a pc-relative operand
23864 can be used as a memory source operand for addsi3, but not as a
23865 memory destination.
23866 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23868 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23870 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23871 .thumb_set pseudo op to mark aliases of thumb functions.
23873 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23875 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23876 preference to ASM_OUTPUT_DEF, if it is defined.
23878 * tm.texi: Document new, optional target macro
23879 ASM_OUTPUT_DEF_FROM_DECLS.
23881 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23883 * fixincludes: ISCNTL patch
23884 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
23885 (dgux_int_varargs): new for DG/UX
23886 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
23888 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
23890 * invoke.texi (ia32 options): Fix typo.
23892 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23894 * loop.c (strength_reduce): When doing biv->giv conversion, update
23895 reg note of NEXT->insn.
23897 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
23899 * loop.c (move_movables): Note issues with replacing REGs with
23901 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
23903 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
23905 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
23907 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
23908 the reference to `mcount' was not correct for the ELF on FreeBSD.
23910 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23912 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23915 (recombine_givs): Set ix field after sorting.
23917 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
23919 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
23920 to safe to extract a subword out of a REG.
23922 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23924 * sh.md (mulsi3): Don't add a no-op move at the end.
23926 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23928 * cse.c (cse_insn): Don't put hard register source into tables for
23929 the last insn of a libcall.
23931 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23933 * loop.c (strength_reduce): Insert sets of derived givs at every
23934 biv increment, even if it's the only one.
23936 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
23938 * dwarfout.c (add_incomplete_type): New fn.
23939 (output_type): Call it.
23940 (retry_incomplete_types): New fn.
23941 (dwarfout_finish): Call it.
23943 From Eric Raskin <ehr@listworks.com>:
23944 (output_type): Output types for bases.
23946 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23948 * mips.c (mips_output_conditional_branch): Add `break'
23949 between `default' label and `close braces'.
23951 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
23953 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
23954 specifications and make it realistic.
23955 (LIB_SPEC): Likewise.
23957 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
23959 * config/mips/mips.c (mips_secondary_reload_class): Check for
23960 (PLUS (SP) (REG)) and return appropriate register class.
23961 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
23962 Handle (PLUS (SP) (REG)).
23963 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
23964 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
23965 of emit_insn for tablejump.
23967 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
23969 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
23970 asm_fprintf format string by itself.
23971 (output_function_profiler): Likewise.
23973 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
23975 * combine.c (simplify_logical, case AND): Only call
23976 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
23977 or the constant is positive.
23979 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
23981 * configure.in: Fix typo in rs6000-ibm-aix4 case.
23982 * configure: Regenerate.
23984 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
23986 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
23987 require a sub-version #.
23988 * configure: Rebuilt.
23990 1999-06-14 Robert Lipe (robertlipe@usa.net)
23992 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
23994 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
23996 * c-typeck.c (process_init_element): Detect excess elements in
23997 char array initializer.
23999 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24001 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
24003 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24005 * invoke.texi (Option Summary): Add -fpermissive flag.
24007 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
24009 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
24010 that require PIC code sequences.
24012 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
24014 * configure.in: Add new target: thumb-elf.
24015 * configure: Regenerate.
24016 * config/arm/t-thumb-elf: New file: Makefile fragment for
24018 * config/arm/telf.h: New file: Header file for thumb-elf
24021 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
24023 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
24024 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
24025 initializers is some circumstances.
24027 * fixinc/inclhack.def (endif_label): Add additional selector for
24028 more bogus stuff after #endif statements.
24029 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
24031 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
24033 * i386/cygwin.h (SET_ASM_OP): Define.
24035 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
24037 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
24039 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24041 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
24044 * sh.md (ic_invalidate_line_i): Remove second alternative.
24046 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24048 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
24049 test for the presence of valid prototypes. Delete bypass expr.
24050 (ioctl_fix_ctrl): Correct the selection expression.
24051 (no_double_slash): Correct quoting rules
24052 *fixinc/fixincl.x: regen
24053 *fixinc/inclhack.sh: regen
24055 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
24057 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
24059 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24061 * rs6000.md (movsi_got_internal_mem): Delete.
24062 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
24063 (GOT_TOC_REGNUM): Delete.
24064 (PIC_OFFSET_TABLE_REGNUM): Define.
24065 (FINALIZE_PIC): Disable.
24066 * rs6000.c (rs6000_got_register): New code for fixed pic register.
24067 (rs6000_replace_regno): Delete.
24068 (rs6000_finalize_pic): Likewise.
24069 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
24071 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24073 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
24074 is a note; use <= for the compare; advance P while it is
24077 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
24079 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
24080 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
24082 * varasm.c (remove_from_pending_weak_list): Verify t->name
24083 is non-NULL before passing it to strcmp.
24085 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24087 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
24088 the typed arguments are not part of a comment
24089 (ioctl_fix_ctrl): Added a purpose comment
24090 *fixinc/fixincl.x: regenerate
24091 *fixinc/inclhack.sh: regenerate
24093 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24095 * invoke.texi: Add C4x invocation docs.
24097 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24099 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
24101 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
24103 (c4x_legitimize_reload_address): New function.
24104 * config/c4x/c4x.md: Update docs.
24106 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
24108 * fixincludes: Avoid removing '.'.
24109 * fixinc/fixinc.svr4: Likewise.
24110 * fixinc/fixinc.winnt: Likewise.
24111 * fixinc/inclhack.tpl: Likewise.
24112 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
24114 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24116 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
24118 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
24120 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
24122 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
24125 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
24127 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
24128 * configure: Regenerate.
24130 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24132 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24135 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24137 * fixinc/inclhack.def (avoid_bool): Also catch
24138 "typedef [unsigned] int bool".
24139 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24141 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24142 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24143 * configure: Rebuilt.
24145 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24147 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24148 such that we can override its definitions if necessary.
24149 (CPP_SPEC): New define. Support processor specific predefines via
24151 (CC1_SPEC): New define. Support processor specific compiler
24152 options via %(cc1_cpu).
24153 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24156 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24158 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24159 between sed's -e flag, and the open-quote following it.
24160 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24162 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24163 Jeffrey A Law (law@cygnus.com)
24165 * varasm.c (assemble_start_function): Remove the function
24166 from the pending weak decls list when we define a function.
24167 (assemble_variable): Similarly for variables.
24168 (weak_finish): Ignore items on the list with a NULL name.
24169 (remove_from_ending_weak_list); New function to "remove" an item
24170 from the pending weak declarations list.
24172 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24174 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24176 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24178 * c-lex.c (GETC): Redefine to call getch.
24179 (UNGETC): Redefine to call put_back.
24180 (putback_buffer): New structure type.
24181 (putback): New static structure.
24182 (getch): New function.
24183 (put_back): New function.
24184 (yylex): Replace unused bytes from bad multibyte character.
24186 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24188 * cpplib.c (do_define): Cast `alloca' return value.
24189 (do_include, do_undef, do_pragma): Likewise.
24190 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24192 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24193 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24195 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24197 * sparc.md (abstf2): This should be an expand.
24198 (split after abstf2_notv9): Fix mode.
24199 (abstf2_hq_v9): New pattern.
24200 (abstf2_v9): Only use when no hard quad.
24201 (absdf2_v9): Fix if target is not the same as source.
24202 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24203 Add correct output constraints.
24205 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24207 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24208 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24210 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24212 * mips.h (mips_output_conditional_branch): New function.
24213 (mips_adjust_insn_length): Likewise.
24214 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24215 (ADJUST_INSN_LENGTH): Likewise.
24216 * mips.c (print_operand): Add `F' and `W' for floating-point
24217 comparison opcodes.
24218 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24220 (mips_adjust_insn_length): New function.
24221 (mips_output_conditional_branch): New function.
24222 * mips.md (length): Adjust attribute definition to handle
24223 conditional branches. Change lengths to bytes, rather than
24224 instructions throughout. Remove length attribute from
24225 instructions whose length is four bytes, and rely on the default
24227 (dslot): Fix typo in comment.
24228 Reword conditional branch patterns to use
24229 mips_output_conditional_branch.
24231 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24233 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24234 (LIB_SPEC): Likewise.
24235 Link with -lprof1_r for -g/-pg.
24237 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24239 * loop.c (check_dbra_loop): Fix change of Jan 19.
24241 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24243 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24244 (STARTFILE_SPEC): Define, override the svr4.h version.
24245 (ENDFILE_SPEC): Likewise.
24247 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24249 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24250 * fixinc/fixincl.x: Regenerated.
24251 * fixinc/inclhack.sh: Regenerated.
24253 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24255 * sh.c (barrier_align): Don't return early for normal branch/barrier
24256 when optimizing for SH2.
24258 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24260 * i386/udk.h (LINK_SPEC): Correct linker search path for
24263 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24265 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24266 (braf_label_ref_operand): Delete.
24267 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24268 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24269 label_ref, and has no predicate.
24270 The patten has a predicate to guard against invalid substitutions.
24271 (dummy_jump): Delete.
24272 (casesi): Update use of casesi_jump_2.
24274 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24276 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24277 *fixinc/fixincl.x: regenerate
24278 *fixinc/inclhack.sh: regenerate
24280 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24282 * dwarf2out.c (add_incomplete_type): New fn.
24283 (gen_struct_or_union_type_die): Call it.
24284 (retry_incomplete_types): New fn.
24285 (dwarf2out_finish): Call it.
24287 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24289 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24290 current block starts with a CODE_LABEL and ends with a CALL and
24291 we can not find all the argument setup instructions for the CALL.
24293 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24295 Revert this change:
24296 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24297 something is a candidate for optimize_bit_field_compare.
24299 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24301 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24303 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24305 * alpha.c (override_options): Thinko in last patch.
24307 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24308 (LIB_SPEC): Recognize -pthread.
24310 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24312 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24313 definition in config/arm/coff.h
24314 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24316 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24318 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24319 fixes that need "file=xxx\n" prepended before invocation
24320 (start_fixer - new): starting the fixer process is complex enough
24321 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24322 (process): uses the new routine; omit usage of putenv()
24323 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24324 * fixinc/fixincl.x: regenerate
24326 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24328 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24329 and version #s (1.1 -> 2.96) as needed.
24330 * README.g77: Kill way out of date file in the toplevel directory.
24332 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24334 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24335 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24336 * configure: Rebuilt.
24337 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24338 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24339 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24340 (SWITCH_TAKES_ARG): Likewise.
24341 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24342 * config/t-freebsd: Moved from config/i386/ so it can used for all
24345 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24347 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24349 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24351 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24352 * configure: Rebuilt.
24354 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24356 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24357 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24358 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24359 (rs6000_output_load_toc_table): Same.
24360 (output_prolog, output_mi_thunk): Same.
24361 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24362 (ASM_GLOBALIZE_LABEL): Use putc.
24364 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24366 * alpha.md (reload_*_help): New patterns and splitters.
24367 (reload_*): Use them.
24368 (mov[qh]i): Likewise.
24370 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24372 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24375 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24377 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24379 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24381 * flow.c (mark_regs_live_at_end, insn_dead_p,
24382 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24383 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24384 hasn't run or the frame pointer is needed.
24385 * haifa-sched.c (attach_deaths): Likewise.
24386 * sched.c (attach_deaths): Likewise.
24388 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24390 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24391 calculate_can_reach_end returns nonzero.
24393 * configure.in (native gas tests): Search for an assembler in the
24394 same manner that the installed compiler will.
24395 * configure: Rebuilt.
24396 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24398 * alias.c (find_base_term): Improve handling of addresses
24399 constructed from binary operations.
24401 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24403 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24405 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24407 * function.h (cleanup_label, frame_offset): Declare.
24408 (tail_recursion_label, tail_recursion_reentry): Likewise.
24409 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24410 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24411 (tail_recursion_label, tail_recursion_reentry): Likewise.
24412 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24414 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24416 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24418 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24419 (MAX_OFILE_ALIGNMENT): Define.
24421 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24423 * fixincl.c: Replace local include scheme with #includes of
24424 gansidecl.h and system.h.
24425 * procopen.c: Likewise.
24426 * server.c: Likewise.
24428 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24430 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24431 (crti.o): Add build rule and dependencies.
24432 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24434 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24436 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24437 (LIB_LINUX_SPEC): Likewise.
24438 (LIB_LINUX_SPEC): Add support for -pthread
24439 (CPP_OS_LINUX_SPEC): Likewise.
24440 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24443 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24445 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24447 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24448 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24449 for IEEE math and CC_FCOMI.
24450 (put_jump_code): No IEEE if CC_FCOMI is set.
24452 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24454 * fold-const.c (fold_truthop): Make the field reference unsigned
24455 when converting a single bit compare.
24457 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24459 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24461 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24463 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24464 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24467 * reload.c (push_reload): Do not call remove_address_replacements
24468 when presented with identical optional reloads.
24470 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24472 * alpha.h (MASK_FIX, TARGET_FIX): New.
24473 (MASK_*): Reorganize constants.
24474 (CPP_AM_FIX_SPEC): New.
24475 (TARGET_SWITCHES): Add FIX.
24476 (EXTRA_SPECS): Likewise.
24477 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24478 (SECONDARY_MEMORY_NEEDED): Likewise.
24479 (REGISTER_MOVE_COST): Likewise.
24480 * alpha.c (override_options): Add FIX support. Always use
24481 ALPHA_TP_PROG for ev6.
24482 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24483 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24484 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24486 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24488 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24489 something is a candidate for optimize_bit_field_compare.
24491 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24493 * gcc.texi (Passes): Document branch-shortening.
24494 * invoke.texi (Debugging Options): Document the fact that `-dp'
24495 outputs length information for instructions.
24497 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24499 * flow.c: Revert previous delta.
24501 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24503 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24504 FRAME_POINTER_REGNUM.
24505 (mark_set_1): Ditto.
24506 (mark_used_regs): Ditto.
24508 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24510 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24511 (GOT_PCREL): New macro. Define to 1 if not already defined.
24512 * arm/elf.h (GOT_PCREL): Define to 0.
24513 * arm.c (arm_finalize_pic): Take into account the setting of
24516 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24518 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24519 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24521 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24522 store elimination candidates.
24524 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24526 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24529 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24531 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24532 Add use of x-aix41-gld.
24534 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24536 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24537 (ASM_OUTPUT_DESTRUCTOR): Define.
24539 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24541 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24542 last CODE_LABEL in a loop if we have previously passed a jump
24543 to the top of the loop.
24545 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24547 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24548 applying Philip's patch.
24550 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24552 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24555 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24557 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24559 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24561 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24562 Also remove a useless comment.
24564 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24566 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24568 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24570 * collect2.c (main): Only generate import or export file and add
24571 to link arguments if non-empty. Use xmalloc not alloca.
24572 (write_{export,import}_file): Delete.
24573 (write_aix_file): New function.
24574 (locatelib): Use xmalloc not malloc.
24575 (GCC_OK_SYMBOL): Do not check type if aix64.
24577 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24579 Based on patch by Scott Bambrough and Pat Beirne:
24580 * config/arm/arm.c (making_const_table): New variable.
24581 * config/arm/arm.h (making_const_table): Declare.
24582 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24584 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24585 Keep track of when we are building the constant table.
24587 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24589 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24592 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24594 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24597 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24599 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24602 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24604 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24606 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24608 * rs6000.c (output_mi_thunk): Enable full support again.
24610 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24612 * sh.h (BRANCH_COST): Define.
24614 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24616 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24618 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24620 * function.c (assign_stack_local): Align stack slot propertly.
24621 (assign_outer_stack_local): Likewise.
24623 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24625 * expr.h (lang_expand_constant): Declare.
24626 * toplev.c (lang_expand_constant): Define it.
24627 * varasm.c (output_constant): Use it.
24629 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24631 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24632 Change function definitions to K&R style.
24634 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24636 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24638 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24640 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24641 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24642 (several places): omit static initialization
24643 (process): use single fd, since only the read fd is used
24644 * fixinc/gnu-regex.c: define 'const' away, if not supported
24645 * fixinc/procopen.c(several places): omit static initialization
24646 * fixinc/server.c: define 'volitile' away, if not supported
24648 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24650 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24651 asm_fprintf and %L to generate the label name.
24652 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24653 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24655 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24657 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24658 insn for a conditional jump can not be found.
24660 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24662 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24663 on variables in specific sections other than .sbss and .sdata.
24665 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24667 * stmt.c (expand_return): Call start_cleanup_deferral and
24668 end_cleanup_deferral around conditional code.
24670 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24672 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24673 filename lists. Utilizes new "krstr" AutoGen function.
24674 * fixinc/fixincl.x: Rebuilt.
24676 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24678 * i386.c (output_float_compare): Avoid GNU-C extensions.
24680 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24682 * version.c: Bump to distinguish mainline tree from the
24685 See ChangeLog.1 for earlier changes.