1 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4 * optabs.c (emit_libcall_block): If have REG_EHG_REGION, update
7 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
9 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
12 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
14 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
16 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
17 Use .s1 not .s0 for all FP instructions.
19 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
21 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
23 (safe_fwrite, output_line_command): New static functions.
24 (cpp_expand_to_buffer): Now private to cpplib.
25 (cpp_scan_buffer): Take a printer.
27 * cpphash.h: Update prototypes.
28 * cpplib.h: Update prototypes.
30 (cpp_buffer): Remove last_nominal_fname.
31 (cpp_reader): Remove lineno.
33 * cppmain.c: Use a cpp_printer.
34 * fix-header.c: No need to inhibit line commands. Call
35 cpp_start_read with no printer.
37 * cpperror.c (cpp_notice_from_errno): Provide default name.
38 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
39 (find_include_file, cpp_read_file): Use make_IHASH.
40 (file_cleanup): Set control_macro and clear
41 input_stack_listing_current here.
42 (_cpp_execute_include): Don't output entering-file marker.
43 * cpphash.c (special_symbol): Look for the line number in the
44 buffer, not the reader.
45 (_cpp_macroexpand): No need to disable line commands.
46 (_cpp_dump_definition): No need to generate line commands.
47 (dump_hash_helper): Remove excess newline from output.
48 * cppinit.c (dump_special_to_buffer): No need to generate line
50 (cpp_printer_init): New.
51 (cpp_start_read): Take a printer, and start it up if it's not
52 NULL. No need to generate line commands.
53 (cpp_finish): Expect no buffers stacked at all. Take a
54 printer argument, and flush the output buffer if it's not
56 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
57 Don't put two hashes at the beginning of an assertion.
58 (cpp_get_token): Don't increment pfile->lineno or emit line
59 commands here. Return EOF if there's no buffer when we get
61 * cpplib.c (do_define, skip_if_group):
62 No need to disable line commands.
63 (_cpp_output_line_command): Delete function.
64 (do_line): Don't emit line commands here, but set things up so
65 they will be emitted if necessary. Use _cpp_fake_ihash to
66 make unique nominal_fnames if necessary.
67 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
68 with 0 for column, not -1.
69 (_cpp_handle_eof): Don't set the control macro here. Don't
70 clear input_stack_listing_current here. Don't emit line
73 2000-04-14 Geoff Keating <geoffk@cygnus.com>
75 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
76 always, use the default SVR4 start address.
78 * config/rs6000/linux.h (LINK_SPEC): Don't define.
79 (LINK_SHLIB_SPEC): Define.
80 (LINK_START_DEFAULT_SPEC): Define.
81 (LINK_OS_DEFAULT_SPEC): Define.
83 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
85 * config/rs6000/eabi.asm (__eabi): Call __init rather than
86 __do_global_ctors to handle constructors.
87 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
88 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
89 (STARTFILE_MVME_SPEC): Likewise.
90 (STARTFILE_SIM_SPEC): Likewise.
91 (ENDFILE_ADS_SPEC): Use crtend.
92 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
93 (ENDFILE_MVME_SPEC): Likewise.
94 (ENDFILE_SIM_SPEC): Likewise.
95 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
96 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
97 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
98 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
99 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
100 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
101 (CRTSTUFF_T_CFLAGS_S): Define.
102 * config/rs6000/eabi-ctors.c: Delete.
104 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
107 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
111 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
113 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
114 plus mask size is smaller or equal to the mode size.
116 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
118 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
121 * expr.c (reload.h): Now included.
122 (emit_block_move): Set volatile_ok when checking for movstr.
123 (emit_move_1): Check for replacements in addresses in multi-word case.
124 * Makefile.in (expr.o): Now includes reload.h.
126 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
127 Never have a LIBCALL end a basic block.
128 (find_basic_blocks_1): Likewise.
129 Reorganize CALL_INSN cases.
131 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
133 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
135 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
136 completers from mov.ret instruction.
138 2000-04-14 Richard Henderson <rth@cygnus.com>
140 * fold-const.c (extract_muldiv): Don't distribute and widen
141 multiply across plus for non-sizetype unsigned types.
143 2000-04-14 Richard Henderson <rth@cygnus.com>
145 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
146 If the original source is dead in the incr insn, it's dead now.
148 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
150 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
151 see if DECL_BIT_FIELD needs to still be set.
153 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
155 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
156 print_int_cst_octal with something that's not an INTEGER_CST.
158 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
159 and not a SUBREG to a FLOAT rtl.
161 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
163 * emit-rtl.c (try_split): Avoid infinite loop if the split
164 results in a sequence that contains the original insn.
166 2000-04-13 Andreas Jaeger <aj@suse.de>
168 * config/mips/mips.c (expand_block_move): Pass alignment
169 argument to move_by_pieces in bits, not bytes.
171 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
172 __pic__ for little endian.
174 2000-04-13 Andreas Jaeger <aj@suse.de>
176 * config/i386/i386-protos.h: Add prototype for
177 uno_comparison_operator.
179 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
181 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
182 * calls.c (ECF_PURE): New flag.
183 (emit_call_1): Handle ECF_PURE calls.
184 (initialize_argument_information): Unset ECF_PURE flag too.
185 (precompute_arguments): Precompute for ECF_PURE too.
186 (expand_call): Handle ECF_PURE calls too.
187 (emit_library_call_value_1): Rename no_queue argument to fn_type,
188 accept value of 2 as pure function.
189 (emit_library_call_value, emit_library_call): Rename no_queue argument
191 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
193 * tree.h (DECL_IS_PURE): New macro.
194 (struct tree_decl): Add pure_flag.
195 * c-common.c (enum attrs): Add attribute "pure".
196 (init_attributes): Initialize attribute "pure"
197 (decl_attributes): Handle attribute "pure".
198 * extend.texi (Attribute "pure"): Document.
199 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
201 (flags_from_decl_or_type): Support attribute "pure".
203 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
205 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
206 the token except for numbers and identifiers.
208 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
210 * i386.c (ix86_expand_binary_operator,
211 ix86_expand_unary_operator): Check no_new_pseudos
212 instead of reload_in_progress and reload_completed.
213 (ix86_split_ashldi, ix86_split_ashrdi,
214 ix86_split_lshrdi): Check no_new_pseudos instead
217 2000-04-12 Jeffrey A Law (law@cygnus.com)
219 * function.c (purge_addressof): Unshare any shared rtl created by
220 purge_addressof and its children.
222 2000-04-12 Mark Mitchell <mark@codesourcery.com>
224 * function.c (aggregate_value_p): VOID_TYPE nodes are never
227 2000-04-05 Andreas Jaeger <aj@suse.de>
229 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
230 not compiling PIC code, add flags for mabi=64.
231 (SUBTARGET_CPP_SIZE_SPEC): New.
232 (SUBTARGET_CPP_SPEC): New.
233 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
234 for MIPS/Linux and lots of code needs these defines.
236 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
238 * reorg.c (fill_slots_from_thread): Check side_effects_p when
239 trying the "opposite arithmetic" approach.
241 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
243 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
244 (struct sh_args): Add new field force_mem.
245 (INIT_CUMULATIVE_ARGS): Initialize it.
246 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
248 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
250 * calls.c (expand_call): Do not reverse args in "equal from" field.
251 (emit_library_call_value_1): Emit_libcall_block for const and pure
254 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
256 * reload1.c (reload_combine): Don't enable optimization for fixed
257 registers when encountering a BARRIER.
259 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
261 * builtins.c (expand_builtin_memcmp): Do expansion even with
262 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
264 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
265 stack is propertly aligned; add sanity checking for aligned
267 (expand_library_call_value_1): Add sanity checking for aligned
270 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
272 * calls.c (emit_library_call_value_1): Change 3rd arg to
273 locate_and_pad_parm to disregard the setting of partial.
275 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
277 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
279 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
280 CALL_INSN from the normal case.
282 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
284 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
285 New global variables.
286 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
288 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
290 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
291 TARGET_ADD_ESP_8): New macros.
292 * i386.md: Add peep2s to convert esp adjustments to push and pop
294 (pushsi_prologue, popsi_epilogue): New patterns.
296 2000-04-12 Jakub Jelinek <jakub@redhat.com>
298 * real.c (toe64): Remove stale #endif from the last change.
300 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
302 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
303 * real.c (toe64): Revert previous change.
305 2000-04-12 Jakub Jelinek <jakub@redhat.com>
307 * objc/objc-act.c: Include ggc.h.
308 (objc_tree_index, objc_global_trees): Convert most of the
309 static tree variables into a static array with previous names
311 (objc_ellipsis_node): New variable.
312 (lang_init): Call objc_act_parse_init and c_parse_init.
313 Create objc_ellipsis_node.
314 (build_selector_translation_table): Use objc_ellipsis_node instead
316 (hack_method_prototype): Likewise.
317 (get_arg_type_list): Likewise.
318 (start_method_def): Likewise.
319 (continue_method_def): Likewise.
320 (gen_method_decl): Likewise.
321 (ggc_mark_imp_list): New function.
322 (ggc_mark_hash_table): New function.
323 (objc_act_parse_init): New function.
324 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
325 * c-parse.in (c_parse_init): For objc add roots of objc specific
326 local tree variables.
327 * objc/objc-parse.y: Rebuilt.
328 * objc/objc-parse.c: Rebuilt.
329 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
331 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
333 * cse.c (delete_trivially_dead_insns): Also delete insns
334 that copy a register to itself where the destination is
337 2000-04-11 Richard Henderson <rth@cygnus.com>
339 * flow.c (struct propagate_block_info): Add new_dead, new_live.
340 (propagate_block): Initialize them. Use them in parallel instead
341 of one tmp variable, ie revert much of the 0408 and 0407 functional
342 changes, but keep the structural changes.
343 (mark_set_regs): Take new_dead from propagate_block_info instead.
344 (mark_set_1, mark_set_reg): Likewise.
345 (mark_used_regs): Likewise with new_live.
346 (mark_used_reg): Likewise. Revert 0408 change.
348 2000-04-11 Nick Clifton <nickc@cygnus.com>
350 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
352 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
354 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
356 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
357 const section to output a CONSTRUCTOR based on the same conditions
360 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
362 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
363 * pa/pa-protos.h (output_call): Add additional argument indicating
364 if the call is a sibling/tail call.
365 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
366 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
367 (function_arg, function_arg_partial_nregs): Likewise
368 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
369 (emit_move_sequence): Zero extend certain constants as needed
371 (compute_zdepdi_operands, output_64bit_and): New functions.
372 (output_64bit_ior, function_arg): Likewise.
373 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
374 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
375 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
376 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
377 (output_bvb): Likewise.
378 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
379 (output_call): New argument 'sibcall'. Generate sibcall sequences
381 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
382 (ouput_arg_descriptor): Do not emit argument descriptors for
384 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
386 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
387 (FUNCTION_OK_FOR_SIBALL): Define.
388 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
389 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
390 (CPP_SPEC): Use new spec infrastructure.
391 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
392 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
393 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
394 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
395 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
396 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
397 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
398 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
399 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
400 (FUNCTION_ARG); Call out to C code.
401 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
402 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
403 (MIN_UNITS_PER_WORD): Likewise.
404 * pa/pa.md (cmpdi): New expander.
405 (scc patterns, movstrsi): Not available for TARGET_64BIT.
406 (64bit conditional arithmetic): New patterns.
407 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
408 (movsicc): Not available if modes on all the operands to not match.
409 (movdicc): New expander and associated patterns.
410 (64bit branches): New patterns.
411 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
412 (pre_ldd, post_std): New patterns.
413 (64bit addil, load low part): New patterns.
414 (special movsf constant): Not available for TARGET_64BIT.
415 (movsf, movdf expanders): Force constants into memory.
416 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
417 (64bit movdf/movdi patterns): New patterns.
418 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
420 (extendqidi2, extendhidi2, extendsidi2): Similarly.
421 (adddi3 expander): Allow "arith_operand" for second input.
422 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
423 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
424 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
425 (muldi3): New expander for TARGET_64BIT.
426 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
428 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
429 patterns for TARGET_64BIT.
430 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
431 patterns for TARGET_64BIT.
432 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
433 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
434 (sibcall_epilogue): New expander.
435 (casesi): Tweak for TARGET_64BIT.
436 (call expanders): Set & use the outgoing argument pointer. Use the
437 64bit call patterns as needed. Add additional arg to output_call.
438 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
439 (sibcall, sibcall_internal_symref): New expanders.
440 (sibcall_value, sibcall_value_internal_symref
441 (interspace_jump): Turn into an expander + matching patterns.
442 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
443 * pa/pa64-regs.h: Eliminate trigraph sequences.
444 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
446 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
448 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
449 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
450 cpp_token with cpp_ttype everywhere.
451 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
452 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
453 CPP_BUF_COL. Line and column numbers are unsigned int, not
455 * cpplex.c (cpp_buf_line_and_col): Delete.
456 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
457 'long lineno' to 'unsigned int lineno'.
458 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
460 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
462 * extend.texi: ISO C99 is not a draft anymore.
463 * invoke.texi: ISO C++ is not a draft anymore.
464 * cpp.texi: __cplusplus is required by the ISO standard.
466 * extend.texi (-fthis-is-variable): Undocument.
467 * flags.h (warn_template_debugging): Remove declaration.
468 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
469 -Wenum-clash, -Wtemplate-debugging): Undocument.
471 2000-04-10 Nick Clifton <nickc@cygnus.com>
473 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
475 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
477 (ARM_SIGN_EXTEND): Use HOST_UINT.
478 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
479 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
480 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
481 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
483 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
484 (arm_gen_constant): Use HOST_UINT.
485 (arm_canonicalize_constant): Use HOST_UINT.
486 (arm_reload_in_hi): Use HOST_UINT.
487 (arm_reload_out_hi): Use HOST_UINT.
488 (output_multi_immediate): Use HOST_UINT.
489 (int_log2): Use HOST_UINT.
490 (arm_poke_function_name): Use HOST_UINT.
491 (arm_output_epilogue): Use arm_volatile_func().
492 (output_thumb_prologue): Use arm_strip_name_encoding().
494 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
496 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
497 of sequence point problems.
499 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
501 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
503 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
505 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
507 * sbitmap.h: Whitespace changes and use upper-case macro args.
508 (struct simple_bitmap_def): All sizes now unsigned.
509 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
510 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
511 (sbitmap_vector_alloc): Parms and local vars now unsigned.
512 (sbitmap_zero): Cast bzero arg to PTR.
513 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
514 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
515 loop to make structure clearer.
516 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
517 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
518 (sbitmap_a_and_b_or_c): Likewise.
519 (sbitmap_intersection_of_succs): Minor cleanups.
520 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
521 (sbitmap_union_of_preds): Likewise.
522 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
523 (debug_sbitmap): New function.
525 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
526 * c-typeck.c (convert_for_assignment): Likewise.
528 * expmed.c (init_expmed): Don't free objects we make.
529 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
531 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
532 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
534 * gcse.c (expr_hash_table_size): Now unsigned.
535 (compute_ae_gen): Local variable `i' now unsigned.
536 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
537 (compute_transout, hoist_code): Likewise.
538 (compute_local_properties): Likewise, also hash_table_size.
539 (alloc_expr_hash_table): N_INSNS now unsigned.
540 (delete_null_pointer_checks): Mark arg F as unused.
542 * regrename.c: Minor cleanups, including chang some variables
545 2000-04-10 Neil Booth <NeilB@earthling.net>
547 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
549 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
551 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
553 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
554 __classof__, and __headof__ from the list of gnu keywords.
555 (-ansi): Remove -foperator-names from list of implied options.
556 Do not call it ANSI C++.
557 (-foperator-names): Document as -fno-operator-names.
559 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
561 * cpphash.c (timestamp): Delete.
562 (del_HASHNODE): If type is T_MCONST, free value.cpval.
563 (special_symbol): Remove unnecessary braces. Remove
564 T_VERSION. Treat T_STDC like T_CONST unless
565 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
566 when one is encountered, then convert them into T_MCONST
568 * cppinit.c (builtin_array): version_string is T_MCONST.
569 __STDC__ has a "1" in its cpval. Don't have a terminator
570 entry. Clean up which entries are dumped.
571 (initialize_builtins): Only __STDC__ gets the special
572 -traditional treatment. Count the length of builtin_array.
573 Render version_string here.
574 * cpphash.h: Remove T_VERSION. Add T_MCONST.
575 * cpplib.h (struct cpp_reader): Remove timebuf.
577 2000-04-09 Richard Henderson <rth@cygnus.com>
579 * genrecog.c (pred): Update comparison_operator for the unordered
582 * config/i386/i386.c (no_comparison_operator): Disallow unordered
584 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
585 (uno_comparison_operator): New.
586 (put_condition_code): Handle UNORDERED/ORDERED.
587 (unsigned_comparison): Likewise.
588 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
589 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
590 (ix86_expand_fp_compare): Use them. Take scratch as argument,
591 update all callers. Handle all 8 unordered operators.
592 (ix86_expand_setcc): Lose the unordered argument, update all callers.
593 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
594 * config/i386/i386.h (PREDICATE_CODES): Update.
595 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
596 (ix86_expand_branch, ix86_expand_setcc): Update.
597 * config/i386/i386.md (sunordered, sordered): New.
598 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
599 (bunordered, bordered): New.
600 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
601 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
602 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
604 2000-04-09 Philip Blundell <philb@gnu.org>
606 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
608 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
610 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
611 fix_truncxfhi2): New patterns.
612 * i386.c (output_fix_trunc): Handle converting to HImode.
614 2000-04-08 Alex Samuel <samuel@codesourcery.com>
616 * ssa.c (convert_to_ssa): Eliminate dead code when calling
618 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
619 (for_each_successor_phi): Change parameter to basic_block.
620 (coalesce_regs_in_successor_phi_nodes): Likewise.
621 (coalesce_regs_in_copies): Likewise.
622 (compute_coalesced_reg_partition): Use basic_block instead of index.
623 * rtl.h (convert_to_ssa): Delete.
624 (convert_from_ssa): Likewise.
625 (successor_phi_fn): Likewise.
626 (for_each_successor_phi): Likewise.
627 (in_ssa_form): Likewise.
628 * basic-block.h (convert_to_ssa): Moved from rtl.h.
629 (convert_from_ssa): Likewise.
630 (successor_phi_fn): Likewise.
631 (in_ssa_form): Likewise.
632 (for_each_successor_phi): Likewise. Change parameter to basic_block.
633 * flow.c (calculate_global_regs_live): Pass a basic_block to
634 for_each_successor_phi.
636 2000-04-08 Richard Henderson <rth@cygnus.com>
638 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
639 was modified in the current insn.
641 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
643 * arm/thumb.md: Delete.
644 * arm/thumb-protos.h: Delete.
646 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
648 Merge changes from merged-arm-thumb-backend-branch onto trunk.
650 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
652 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
655 * arm.md (nop): Use the standard RTL expression. Don't code as a
657 (*arm_nop, *thumb_nop): Delete.
659 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
660 constants. Use casts instead.
661 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
662 output_multi_immediate, arm_poke_function_name): Likewise.
663 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
664 MASK_RETURN_ADDDR): Likewise.
666 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
668 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
671 * arm.md (eh_epilogue): New function.
672 * arm.h (struct machine_function): Move to here ...
673 * arm.c: ... from here.
674 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
675 (thumb_exit): Extra parameter eh_ofs. All callers changed.
676 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
678 2000-03-30 Nick Clifton <nickc@cygnus.com>
680 * config/arm/semi.h (ASM_SPEC): Restore definition.
681 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
683 * config/arm/elf.h (ASM_SPEC): Restore definition.
684 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
686 * config/arm/arm.h (ASM_SPEC): Remove definition.
687 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
689 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
691 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
693 2000-03-24 Nick Clifton <nickc@cygnus.com>
695 Various formating tidyups, elimination of compile time
696 warnings and synchronisation with internal sources:
698 * config/arm/arm-protos.h (assemble_align): Add prototype.
699 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
700 (gen_comapre_reg): Rename to arm_gen_compare_reg.
701 (arm_return_addr_rtx): Rename to arm_return_addr.
703 * config/arm/arm.c: Include except.h.
704 Define shorter typenames for strict minipool_node and struct
706 (arm_return_in_memory): For WinCE return all structures <= 32 bits
708 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
709 (gen_comapre_reg): Rename to arm_gen_compare_reg.
711 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
713 (ASM_SPEC): Define if not already defined.
714 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
716 * config/arm/arm.md: Rename references to gen_rotated_half_load to
717 arm_gen_rotated_half_load, and references to gen_comapre_reg to
719 (indirect_jump): Only accept register operands.
720 (load_indirect_jump): Keep this pattern since combine can generate
723 * config/arm/coff.h: Include aout.h.
724 (MULTILIB_DEFAULTS): Only define if not already defined.
726 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
727 into arm.h (so that COFF ports can support thumb based aliases).
728 (ASM_SPEC): Move definition into arm.h
730 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
732 (ASM_SPEC): Move definition to arm.h
734 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
736 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
737 for entries in the .bss section
739 2000-03-23 Nick Clifton <nickc@cygnus.com>
741 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
742 to thumb_far_jump_used_p.
744 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
745 single integer parameter.
747 * config/arm/arm.c (struct machine_function): Add two new
748 fields, 'far_jump_used' and 'arg_pointer_live'.
749 (thumb_far_jump_used_p): Once the decision has been made that
750 far jumps might be used, always return true.
751 If being called from the initial elimination offset macro then
752 do not bother to perform the test if the arg pointer is not
754 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
755 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
757 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
759 * arm.c (output_return_instruction): Handle more cases where we can
760 return from a function with an ldr instruction.
761 (arm_output_epilogue): Likewise.
763 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
764 if we need to push a large stack frame and there are no callee-saved
767 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
768 in ARM code if the frame pointer has been eliminated.
770 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
771 unspec_volatile arguments to avoid duplicates.
772 (consttable_1, consttable_2): Fixes for big-endian mode.
774 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
777 Re-write constant pool code.
778 * arm.c (minipool_node, minipool_fix): New types.
779 (minifix): Delete type.
780 (arm_add_minipool_constant): Delete.
781 (arm_compute_minipool_offsets, arm_find_barrier,
782 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
783 (get_jump_table_size): Now returns HOST_WIDE_INT.
784 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
786 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
787 (assign_minipool_offsets, arm_print_value): Likewise.
788 (dump_minipool): Rewrite.
789 (arm_barrier_cost): New function.
790 (create_fix_barrier): New function.
791 (push_minipool_barrier): New function.
792 (push_minipool_fix): Record additional information about the fixup
794 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
795 check the mode of what needs fixing.
796 (arm_reorg): Rewrite.
798 2000-03-08 Nick Clifton <nickc@cygnus.com>
800 * config/arm/arm.md (indirect_jump): Force constant addresses into
803 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
805 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
807 2000-02-24 Nick Clifton <nickc@cygnus.com>
809 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
810 adjust is word aligned.
811 (thumb_expand_epilogue): Make sure that stack adjust is word
814 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
816 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
818 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
819 pointer relative addresses.
821 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
823 * arm.c (find_barrier): Find the last barrier within the allowed
826 2000-02-09 Nick Clifton <nickc@cygnus.com>
828 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
830 2000-02-09 Nick Clifton <nickc@cygnus.com>
832 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
833 ARM_FUNCTION_PROFILER.
835 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
836 ARM_FUNCTION_PROFILER.
838 * config/arm/linux-oldld.h: Imported from mainline sources.
840 2000-02-07 Nick Clifton <nickc@cygnus.com>
842 * config/arm/lib1funcs.asm: Merge in thumb functions from
845 * config/arm/lib1thumb.asm: Delete.
847 2000-02-04 Nick Clifton <nickc@cygnus.com>
849 * config/arm/arm.c: Sychronised with current Red hat local
851 * config/arm/arm.h: Ditto.
852 * config/arm/arm-protos.h: Ditto.
854 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
856 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
858 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
861 2000-02-02 Nick Clifton <nickc@cygnus.com>
863 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
865 * config/arm/arm.md (epilogue): Fix rtl checking abort because
866 (return) was emited using an emit_insn() call.
868 2000-01-31 Nick Clifton <nickc@cygnus.com>
870 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
872 (thumb_exit): Move frame pointer back into hard frame pointer
873 register if backtracing is being used.
875 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
877 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
880 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
882 * config/arm/arm.md (neg_pool_offset): Provide default for new
884 (arm_movsi_insn): Add neg_pool_offset attribute.
885 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
886 rtx for the insn that starts the scan and an unsigned long for its
887 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
888 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
889 instructions in *PINSERTED.
890 (struct minipool_fixup): Add MIN_ADDRESS elt.
891 (sort_fixups): Compute it.
892 (arm_reorg): Changes to support inserting pools before the insn to be
895 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
897 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
898 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
899 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
901 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
903 * config/arm/semi.h (TARGET_VERSION): Do not define if already
905 (TARGET_DEFAULT): Do not define if already defined.
907 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
909 * config/arm/arm.md (anddi3): Allow disjoint source operands.
910 (iordi3): Allow disjoint source operands.
911 (xordi3): Allow disjoint source operands.
912 (negdi2): Permit construction for ARM and Thumb.
913 (arm_negdi2): Renamed version of old negdi2 pattern.
914 (thumb_negdi2): New pattern: Only permit non-overlapping
915 source and destination.
917 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
919 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
920 scratch low register so that it will not be deleted.
922 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
924 * config/arm/pe.h (ARM_PE): Define.
926 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
927 interfacearm attribute if this is a PE toolchain.
928 (output_return_instruction): Do not emit anything if the function
929 has the naked attribute set.
930 (is_called_in_ARM_mode): If the function has the interfacearm
931 attribute then return true.
932 (thumb_expand_prologue): Do not generate a prologue for naked
934 (thumb_expand_epilogue): Do not generate an epilogie for a naked
936 (output_thumb_prologue): Do not bother if the function is naked.
937 Strip PE encoding from function name before emitting.
939 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
941 * arm.md (pic_load_addr): Fix constraints.
943 * arm.md (casesi_insn): Fix mis-applied patch.
945 * arm.md ("core" function unit): Add rules for single- and
947 (All TARGET_THUMB patterns): Add "type" attribute information
949 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
950 the following insn is a CALL.
952 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
954 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
955 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
956 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
958 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
960 * config/arm/linux-gas.h: oops - this file was missed out when the
961 branch was created...
963 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
965 * thumb.c: Deleted. Move contents to ...
967 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
969 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
972 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
973 declare a prototype for asm_output_align();
975 * arm.c (thumb_condition_code): Delete.
976 (arm_print_operand): Always use arm_condition_code array.
978 * arm.c (thumb_return_addr_rtx): Delete.
979 (arm_save_machine_status, arm_restore_machine_status): Delete.
980 (arm_init_machine_status, arm_mark_machine_status): New functions.
981 (arm_init_expanders): Update accordingly.
982 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
983 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
984 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
986 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
988 * configure.in : Fix arm-*-aout target to use new t-arm-aout
990 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
993 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
995 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
996 stack backtrace structure.
998 * config/arm/arm-protos.h: Add prototypes for functions defined in
1001 * config/arm/arm.c (arm_override_options): Fix selection of
1002 attributes of default processor.
1004 * config/arm/coff.h: Delete needless #include.
1006 * config/arm/pe.c: Delete unused code.
1008 * config/arm/pe.h (CPP_DEFINES): Delete
1009 (SUBTARGET_CPP_SPEC): Define.
1010 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
1012 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
1014 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
1016 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
1018 (CAN_DEBUG_WITHOUT_FP): Define.
1019 (FIXED_REGISTERS): Make r11 call-saved.
1020 (CALL_USED_REGISTERS): Likewise.
1021 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
1022 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
1023 frame-pointer is required.
1024 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
1025 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
1026 if the target normally needs a stack frame in non-leaf functions.
1027 (use_return_insn): Correct logic for determining when a return
1028 instruction can be used.
1029 (output_return_instruction): Handle the frame-pointer register as
1030 a normal register when not TARGET_APCS_FRAME.
1031 (arm_output_prologue): Likewise.
1032 (arm_output_epilogue): Likewise.
1033 (output_func_epilogue): Likewise.
1034 (arm_expand_prologue): Likewise.
1035 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
1037 * arm.c (use_return_insn): No need to check floating point regs if
1039 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
1040 the code of value stored in the minipool array.
1041 (arm_add_minipool_constant): Likewise.
1043 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1045 * basic-block.h (conflict_graph_enum_fn): K&R fix.
1047 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1049 * tree.c (tree_expr_nonnegative_p): New function.
1051 * tree.h (tree_expr_nonnegative_p): Declare.
1053 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
1054 elide some sign_compare warnings.
1055 (build_conditional_expr): Likewise.
1057 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
1059 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
1061 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
1062 * i386.c (print_operand): Use the proper suffix for a 387 HImode
1063 operand. Abort if a 387 operand has an unsupported size.
1065 2000-04-08 Neil Booth <NeilB@earthling.net>
1067 * cppexp.c (parse_charconst): Null does not end character
1069 * cppinit.c (ISTABLE): Null character handled as whitespace.
1070 * cpplex.c (null_warning): new function.
1071 (skip_string): Emit warning if nulls encountered.
1072 (_cpp_skip_hspace): Emit warning if nulls encountered.
1073 (_cpp_lex_token): Emit warning if nulls encountered. Drop
1077 2000-04-07 Richard Henderson <rth@cygnus.com>
1079 * flow.c (loop_depth): Remove.
1080 (reg_next_use, cc0_live, mem_set_list): Replace with ...
1081 (struct propagate_block_info): New.
1082 (life_analysis): Don't allocate reg_next_use.
1083 (propagate_block_delete_insn): Break out of propagate_block.
1084 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
1085 (propagate_block_delete_libcall): Likewise.
1086 (propagate_block): Create a propagate_block_info struct to pass
1087 to subroutines. Allocate one not two temporary regsets. Don't
1088 clobber memory for const calls. Look for clobbers in
1089 CALL_INSN_FUNCTION_USAGE.
1090 (mark_set_regs): Recognize COND_EXEC.
1091 (mark_set_reg): Break out of mark_set_1.
1092 (mark_used_reg): Break out of mark_used_regs.
1093 (mark_used_regs): Recognize COND_EXEC.
1094 (insn_dead_p): Use propagate_block_info struct.
1095 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
1096 (find_auto_inc, try_pre_increment_1): Likewise.
1097 (print_rtl_with_bb): Dump regs live at end too.
1098 (count_reg_sets_1): Pass in loop_depth.
1099 (count_reg_sets, count_reg_references): Likewise.
1100 (recompute_reg_usage): Provide it.
1102 2000-04-07 Richard Henderson <rth@cygnus.com>
1104 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
1107 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
1109 * cpplib.c (do_elif): Skip the rest of the line if we're
1110 not going to bother evaluating it.
1111 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
1112 to avoid pointless calls to the lexer.
1114 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
1116 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
1118 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
1120 * calls.c (expand_call): emit_queue if we're trying a sibcall.
1122 2000-04-07 Jakub Jelinek <jakub@redhat.com>
1124 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
1126 2000-04-06 Geoff Keating <geoffk@cygnus.com>
1128 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
1129 crtend so they can be multilibbed.
1130 (STAGESTUFF): Remove s-crt and s-crtS.
1132 2000-04-07 Richard Henderson <rth@cygnus.com>
1134 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
1135 if we discover we need a pseudo and no_new_pseudos is true.
1136 * config/alpha/alpha.md (ne:DI insn): New.
1137 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
1139 2000-04-07 Richard Henderson <rth@cygnus.com>
1141 * rtl.def (COND_EXEC): New.
1142 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
1143 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
1145 * genconfig.c (have_cond_arith_flag): Remove.
1146 (have_cond_exec_flag): New.
1147 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
1148 (main): Print HAVE_conditional_execution.
1150 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
1151 (sched_analyze_insn, print_pattern): Likewise.
1152 * reload.c (find_equiv_reg): Likewise.
1153 * rtlanal.c (reg_referenced_p): Likewise.
1154 (note_stores, dead_or_set_regno_p): Likewise.
1155 (reg_overlap_mentioned_p): Rewrite to use a switch.
1157 * ggc.h (struct rtx_def): Forward declare.
1159 * print-rtl.c (debug_rtx_range): New.
1160 * rtl.h (debug_rtx_range): Declare.
1162 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
1164 * gcse.c (gcse_main): Don't rebuild the CFG here.
1165 (delete_null_pointer_checks): Likewise.
1166 * ssa.c (convert_to_ssa): Likewise.
1167 * toplev.c (rest_of_compilation): Do it here instead. Combine
1168 sequential calls to TIMEVAR. Consistently use `insns' instead of
1169 `get_insns()'. Always split insns after reload when optimizing.
1171 * basic-block.h (merge_blocks_nomove): Declare.
1172 (tidy_fallthru_edge): Declare.
1173 * flow.c (merge_blocks_nomove): Document as merging into previous
1174 blocks. Remove cruft from between blocks; remove all edges out of A.
1175 (tidy_fallthru_edge): Export.
1177 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1179 * ssa.c (compute_conservative_reg_partition): Declare with
1181 * toplev.c (clean_dump_file): Remove previously-deleted function
1182 inadvertantly merged back in.
1183 * conflict.c (conflict_graph_add): Use a single call to
1184 htab_find_slot to look up and insert.
1186 2000-04-06 Richard Henderson <rth@cygnus.com>
1188 * genrecog.c (*): Rename _last_insn to last_insn.
1189 (make_insn_sequence): Set the position of the peephole2 C test
1190 to be at the last insn.
1192 2000-04-06 Richard Henderson <rth@cygnus.com>
1194 * flow.c (compute_flow_dominators): Free worklist.
1196 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
1198 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
1200 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1202 * rtl.h (INSN_P): New macro.
1203 (successor_phi_fn): New typedef.
1204 (for_each_successor_phi): New prototype.
1205 (in_ssa_form): New variable.
1206 (PHI_NODE_P): Likewise.
1207 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
1208 phi nodes in successors.
1209 (mark_used_regs): Add PHI case.
1210 (set_phi_alternative_reg): New function.
1211 (life_analysis): Assert that dead code elimination is not selected
1213 * toplev.c (to_ssa_time): New variable.
1214 (from_ssa_time): Likewise.
1215 (compile_file): Zero to_ssa_time and from_ssa_time.
1216 Print time to convert to and from SSA.
1217 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
1218 (print_time): Compute percent fraction as integer.
1219 * ssa.c (PHI_NODE_P): Moved to rtl.h.
1220 (convert_to_ssa): Check if we're already in SSA.
1221 Don't eliminate dead code in life_analysis.
1222 Rerun flow and life analysis at bottom.
1223 (eliminate_phi): Use canonical regnos when adding nodes.
1224 (mark_reg_in_phi): New function.
1225 (mark_phi_and_copy_regs): Likewise.
1226 (convert_from_ssa): Rerun life analysis at top.
1227 Use coalesced partition.
1228 Check for removing a phi node at the end of the block.
1229 (compute_coalesced_reg_partition): New function.
1230 (coalesce_regs_in_copies): Likewise.
1231 (coalesce_reg_in_phi): Likewise.
1232 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
1233 (for_each_successor_phi): Likewise.
1234 (rename_context): New struct.
1235 (rename_block): Use a rename_context with rename_insn_1. When
1236 renaming sets of a subreg, emit a copy of the entire reg first.
1237 (rename_insn_1): Treat data as a rename_context *. Save current
1239 (rename_set_data): Add field set_insn.
1240 * Makefile.in (HASHTAB_H): Move up in file.
1241 (OBSTACK_H): New macro.
1242 (collect2.o): Use OBSTACK_H in dependencies.
1243 (sdbout.o): Likewise.
1244 (emit-rtl.o): Likewise.
1245 (simplify-rtx.o): Likewise.
1246 (fix-header.o): Likewise.
1247 (OBJS): Add conflict.o.
1248 (conflict.o): New rule.
1249 * basic-block.h: Include partition.h.
1250 (conflict_graph): New typedef.
1251 (conflict_graph_enum_fn): Likewise.
1252 (conflict_graph_new): New prototype.
1253 (conflict_graph_delete): Likewise.
1254 (conflict_graph_add): Likewise.
1255 (conflict_graph_conflict_p): Likewise.
1256 (conflict_graph_enum): Likewise.
1257 (conflict_graph_merge_regs): Likewise.
1258 (conflict_graph_print): Likewise.
1259 (conflict_graph_compute): Likewise.
1260 * conflict.c: New file.
1262 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1264 * tlink.c (read_repo_files): Don't look for .rpo info for
1267 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1269 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1271 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1273 * config/sh/lib1funcs.asm (___udivsi3_i4):
1274 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1275 only depends on FMOVD_WORKS.
1277 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1279 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1280 make double constant 8-byte aligned.
1282 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1284 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1285 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1286 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1287 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1288 Accept storing GENERAL_REGS into offsetable memory.
1289 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1290 building a TFmode constant other than 0.0L into GENERAL_REGS.
1292 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1294 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1296 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1298 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1299 (macro_cleanup): No need to cast pbuf->macro.
1300 (collect_expansion): Use _cpp_get_define_token. Goto done if
1301 it returns VSPACE. Remove check for trailing space after
1303 (_cpp_create_definition): Don't diddle flags here. Return
1305 (unsafe_chars): Handle c1 being EOF.
1306 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1307 checks. Don't push the buffer till after we're done with
1309 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1310 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1311 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1313 (_cpp_parse_assertion): Don't NUL terminate.
1314 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1315 hspace before calling _cpp_parse_assertion. Remove all sets
1316 of only_seen_white. Treat '\f' as hspace. Don't do anything
1317 special with '\n' here.
1318 (maybe_macroexpand): Handle T_EMPTY hash entries without
1319 pushing a buffer at all.
1320 (cpp_get_token): Handle clearing only_seen_white here. Handle
1321 incrementing the line number here. Clear
1322 potential_control_macro as well as only_seen_white, if
1324 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1325 (_cpp_get_define_token): New function, basically like
1326 _cpp_get_directive_token was but doesn't eat horizontal space.
1327 Don't do anything with only_seen_white here.
1328 (_cpp_get_directive_token): Just call _cpp_get_define_token
1329 repeatedly till it returns non-hspace.
1331 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1332 (conditional_skip, skip_if_group): Return int.
1333 (DIRECTIVE_TABLE): Change origin of all conditional directives
1335 (TRAD_DIRECT_P): New macro.
1336 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1337 an error for a bogus directive, unless -lang-asm. Use
1338 TRAD_DIRECT_P. Loop calling handler functions till one returns
1340 (get_macro_name): Don't diddle flags here.
1341 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1342 Create T_EMPTY nodes for #define macro /* nothing */.
1343 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1344 Use hp->name when calling pass_thru_directive.
1345 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1346 Return the result of conditional_skip and/or skip_if_group.
1347 Don't call _cpp_output_line_command.
1348 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1349 Issue -Wtraditional warnings as appropriate. Don't complain
1350 about unrecognized directives. If we are to stop skipping,
1351 return the number of the directive that ended the skip.
1352 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1353 expansion and line commands while skipping. Return the result
1354 of consider_directive_while_skipping, if nonzero.
1355 (do_endif): Just set potential_control_macro here.
1356 (validate_else): Use _cpp_get_directive_token.
1357 (do_assert, do_unassert): Don't save pointers into the
1358 token_buffer across calls to the lexer. Use
1359 _cpp_get_directive_token.
1361 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1362 pointer, not an offset. Replace 'data', which was a generic
1363 pointer, with 'macro', which points to a struct hashnode.
1364 (cpp_reader): Add 'potential_control_macro' pointer.
1365 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1366 (CPP_BUF_GET, CPP_FORWARD): Delete.
1367 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1368 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1369 ACTIVE_MARK_P): Update.
1370 (_cpp_get_define_token): New internal function.
1371 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1373 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1375 * configure.in: And here.
1376 * configure: Regenerate.
1377 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1378 --enable-libstdcxx-v3 is passed at configure time.
1379 * config.h.in: Regenerate.
1381 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1383 * final.c (final): Use xcalloc to allocate line_note_exists.
1384 * function.c (free_after_compilation): Free the temp_slots.
1385 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1386 (combine_temp_slot): Free temp_slots when they get combined.
1387 (purge_addressof): Fix typo in comment.
1388 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1389 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1391 * ggc.h: Include varray.h.
1392 (ggc_pending_trees): Declare.
1393 (ggc_mark_tree_children): Remove declaration.
1394 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1395 * ggc-common.c (ggc_pending_trees): New variable.
1396 (ggc_mark_roots): Call ggc_mark_trees.
1397 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1398 the ggc_pending_trees.
1399 * Makefile.in (GGC_H): New variable. Use it throughout in place
1402 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1404 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1407 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1409 * sh.c (sh_insn_length_adjustment): New function.
1410 * sh-protos.h (sh_insn_length_adjustment): Declare.
1411 * sh.h (ADJUST_INSN_LENGTH): Use it.
1413 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1415 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1416 from the insn where REG_RETVAL is added.
1417 (emit_no_conflict_block): Ditto.
1419 * md.texi (Standard Names): Clarify when movX is needed.
1421 * combine.c (simplify_comparison) [MINUS]: Do not replace
1422 all (op (minus A B) 0) with (op A B).
1424 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1425 J"orn Rennecke <amylaar@cygnus.co.uk>
1427 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1428 (block_lump_real): Likewise.
1430 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1432 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1433 remaining non-zero debugging masks.
1435 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1437 * basic-block.h (verify_flow_info): Declare.
1438 (flow_loop_outside_edge_p): Declare.
1439 * flow.c (verify_flow_info): Remove declaration.
1440 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1442 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1444 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1447 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1449 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1450 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1451 seqdi_zero_trunc+1): Allow splits only if registers are
1454 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1456 * acconfig.h: Add HAVE_GAS_HIDDEN.
1457 * config.in: Regenerated.
1458 * configure.in: Add test for .hidden pseudo-op in gas.
1459 * configure: Regenerated.
1460 * crtstuff.c: Include auto-host.h.
1461 Emit additional .hidden pseudo-op for __dso_handle if the
1462 assembler knows about it.
1464 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1466 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1467 before freeing argnames.
1468 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1470 2000-04-05 Michael Meissner <meissner@redhat.com>
1472 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1473 Walton <jonboy@gordian.com> to make memory references with update
1474 work wtih -mregnames.
1476 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1478 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1479 (regrename_optimize): Rename variables `def_uses' and
1480 `ext_basic_blocks' to avoid conflicts with similarly named
1481 typedefs in traditional C.
1483 * calls.c (initialize_argument_information): Fix typo in previous
1486 2000-04-04 Richard Henderson <rth@cygnus.com>
1488 * regrename.c (consider_available): Test fixed_regs not
1489 PIC_OFFSET_TABLE_REGNUM.
1491 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1493 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1495 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1496 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1497 (ENDFILE_LINUX_SPEC): Always use crtend.
1498 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1499 (powerpc-*-linux-gnu): Likewise.
1500 * configure: Regenerate.
1502 * config/rs6000/eabi.h: Don't include sysv4.h.
1503 (MULTILIB_DEFAULTS): Don't define.
1504 * config/rs6000/eabiaix.h: Don't include eabi.h.
1505 * config/rs6000/eabile.h: Delete.
1506 * config/rs6000/eabilesim.h: Delete.
1507 * config/rs6000/eabisim.h: Don't include eabi.h.
1508 * config/rs6000/linux.h: Don't include sysv4.h.
1509 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1510 (MULTILIB_DEFAULTS): Don't redefine.
1511 * config/rs6000/rtems.h: Don't include eabi.h.
1512 * config/rs6000/sol2.h: Don't include sysv4le.h.
1513 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1514 * config/rs6000/t-ppc: Delete.
1515 * config/rs6000/t-ppcgas: Correct comment.
1516 * config/rs6000/t-ppcos: Correct comment. Don't build
1517 multilibs for -fPIC, rather use -fPIC -mstrict-align
1519 * config/rs6000/t-ppc: Delete.
1520 * config/rs6000/vxppc.h: Don't include sysv4.h.
1521 * config/rs6000/vxppcle.h: Delete.
1522 * configure.in: Use multiple header files for p2pc ELF targets
1523 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1524 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1525 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1526 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1527 always available for these platforms.
1529 2000-04-04 Richard Henderson <rth@cygnus.com>
1531 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1533 2000-04-04 Stan Cox <scox@cygnus.com>
1535 * Makefile.in: Add rules for regrename.o
1536 * regrename.c: New file.
1537 * rtl.h (regrename_optimize): Add prototype.
1538 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1539 (compile_file, decode_d_option): Add support for -frename-registers.
1540 (rest_of_compilation): Call regrename_optimize.
1541 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1544 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1546 * Makefile (gccbug): New target.
1547 (doc): Depend on it.
1548 * gcc.texi (Bugs): Link subnodes.
1550 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1551 Document severities, priorities, and classes in bug form.
1553 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1555 * cpplex.c (trigraph_map, speccase): Combine into single
1557 (NORMAL, NONTRI): New macros.
1558 (_cpp_read_and_prescan): Change to use unified table. Use
1559 is_hspace to test for whitespace.
1561 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1562 definition that doesn't provoke the "empty body in an
1563 if-statement" warning.
1565 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1567 * builtins.c (expand_builtin_strlen): Force the source to
1568 be a memory address.
1570 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1574 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1576 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1577 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1578 (ECF_IS_CONST): Rename to ECF_CONST.
1579 (special_function_p): Make static, change interface.
1580 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1581 (expand_call) ... here; convert number of variables to flags.
1582 (emit_library_call_vlue_1): Likewise.
1583 (setjmp_call_p): New function.
1584 (initialize_argument_information): Accepts flags as argument;
1586 (precompute_arguments): Likewise.
1587 * tree.h (special_function_p): Remove.
1588 (setjmp_call_p): Add prototype.
1590 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1592 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1593 so that addresses are offsetable by up to 16 bytes.
1594 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1595 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1598 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1599 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1600 (movsf): Don't force any constant to memory if target is integer
1602 Move fp_zero_operand check below the const0_rtx check.
1603 (movtf): Likewise. Also allow fp_zero_operand for stores into
1605 (movdf): Likewise. Also allow fp_zero_operand for stores into
1606 memory and into integer hard registers.
1607 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1608 movdf_const_intreg_sp64): Remove.
1609 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1611 (movdf_no_e_insn_v9_sp32): New pattern.
1612 (movdf_insn_v9only): Remove.
1613 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1614 (movdf_insn_sp64): Remove.
1615 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1616 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1617 (following splits): Rewrite conditions. Add two new splits
1618 for storing 0.0 into memory and registers.
1619 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1620 (movtf_insn_sp32): Redo constraints and conditions.
1621 (movtf_insn_vis_sp32): New pattern.
1622 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1623 (movtf_insn_hq_sp64): Likewise.
1624 (movtf_insn_hq_vis_sp64): New pattern.
1625 (movtf_insn_sp64): Redo constraints and conditions.
1626 (movtf_insn_vis_sp64): New pattern.
1627 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1628 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1630 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1631 -mvis or -m64 to take down the number of various reload patterns.
1633 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1635 * pa/pa-64.h: New file.
1636 * pa/pa64-regs.h: New file.
1637 * pa/pa64-start.h: New file.
1638 * pa/t-pa64: New file.
1639 * pa/xm-pa64hpux.h: New file.
1641 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1643 * sparc.c (output_restore_regs): Prototype.
1644 (sparc_emit_float_lib_cmp): Constification.
1646 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1648 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1651 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1652 (get_value_hash, hash_rtx): Likewise.
1654 * ssa.c (compute_conservative_reg_partition): Prototype.
1656 * tree.c (mark_hash_entry): Prototype.
1658 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1660 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1661 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1662 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1664 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1665 * objc/lang-specs.h: Likewise.
1667 2000-04-03 Neil Booth <NeilB@earthling.net>
1669 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1670 and SYNTAX_ERROR2. Replace `' in messages with ''.
1671 (op_to_str): Make re-entrant.
1672 (_cpp_parse_expr): Implement new error macros. Use | rather
1673 than || to logically or 2 boolean integers. Simply expression
1674 checking we have a left operand iff needed.
1676 2000-04-03 Nick Clifton <nickc@cygnus.com>
1678 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1680 2000-04-03 Philip Blundell <philb@gnu.org>
1682 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1684 2000-04-03 Felix Lee <flee@cygnus.com>
1686 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1687 (run_shell): Use it.
1689 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1691 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1692 (stmp-fixproto): ...rather than here.
1694 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1696 * pa.c (print_operand): Compute 'base' only inside the code paths
1699 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1701 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1704 2000-04-03 Philipp Thomas <pthomas@suse.de>
1706 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1708 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1710 * Makefile.in (alias.o): Depend on $(TREE_H).
1712 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1714 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1716 * cpplib.c (_cpp_handle_directive): Improve warnings for
1717 traditional C and indented directives.
1719 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1720 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1721 fixinc/inclhack.def: Indent the # of #include_next one space.
1722 * cp/rtti.c: Un-indent #if and #endif.
1724 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1725 syntax error, but an error has already been printed.
1726 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1727 message when called with nothing remaining on the line.
1728 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1729 OTHER token, not an ASSERTION.
1730 * cpplib.c (do_assert): When we create a 'base' node, clear
1731 its aschain pointer.
1733 2000-04-02 Neil Booth <NeilB@earthling.net>
1735 * cppexp.c: New typedef op_t. struct operation and struct
1736 token updated to use it.
1737 (op_to_str): New function.
1738 (_cpp_parse_expr): Error messages modified to use op_to_str.
1740 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1742 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1743 before checking MUST_PASS_IN_STACK.
1745 2000-04-02 Neil Booth <NeilB@earthling.net>
1747 * cppexp.c: New FINISHED dummy token. Combine operator initial
1748 flags and initial priority into a single constant. New
1749 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1750 (_parse_cpp_expr): Implement new constants. Take left operand
1751 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1752 parse indicated by reducing FINISHED token. Remove new lines
1753 from cpp_error messages.
1755 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1757 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1760 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1762 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1763 directive. Add origin values to DIRECTIVE_TABLE. Generate
1764 the strings and function names on the fly. Take the #sccs
1765 entry out of the table if SCCS_DIRECTIVE is not defined.
1766 (_cpp_handle_directive): Decide if the # was at the beginning
1767 of the line here. Issue -pedantic warnings for extended
1768 directives here. Warn about K+R directives with the #
1769 indented, and C89/extended directives with the # not indented,
1771 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1772 do_assert, do_unassert): Don't issue pedantic warning here.
1774 * cpphash.h: Add CPP_WTRADITIONAL macro.
1775 * cpplib.h (struct cpp_options): Rename warn_stringify to
1776 warn_traditional; update comments.
1777 * cppinit.c (handle_option): Set warn_traditional not
1779 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1780 CPP_WTRADITIONAL (pfile).
1781 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1782 be ignored in -traditional mode here.
1784 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1785 to initialize speccase[] and trigraph_map[]. Delete all
1786 references to pfile->input_speccase. Always treat '?' as a
1787 special character. Remove table-initialization code from
1788 _cpp_init_input_buffer.
1790 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1791 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1793 2000-04-01 Richard Henderson <rth@cygnus.com>
1795 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1796 (mostlyclean): Likewise.
1798 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1799 (struct dump_file_info, enum dump_file_index, dump_file): New.
1800 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1801 not a string. Clean out file if we havn't yet done so. Do nothing
1802 if the dump isn't enabled.
1803 (close_dump_file): Do nothing if the dump isn't open. Dump
1804 graph data if requested.
1805 (dump_rtl, clean_dump_file): Remove.
1806 (compile_file): Don't clean the dump files. Only finalize .bp dump
1807 if flag_test_coverage or flag_branch_probabilities. Only finalize
1808 .combine dump if optimizing. Iterate over dump_file to finalize the
1810 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1811 Convert all uses of dump_rtl.
1812 (decode_d_option): Iterate over dump_file to implement 'a' and to
1813 locate pass-specific dumps.
1815 2000-04-01 Neil Booth <NeilB@earthling.net>
1817 * cppexp.c: Redefine priority constants.
1818 (_cpp_parse_expr): Replace left and right priority scheme with
1819 single priority logic. Move LOGICAL to same place as COMPARE.
1820 Remove bogus check for multiple unary +/- operators.
1822 2000-04-01 Neil Booth <NeilB@earthling.net>
1824 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1825 within the switch statement. Binary operations break out of
1826 the switch naturally. '(' tokens handled by forcing
1827 immediate shift. ')' handled by forcing immediate reduce to
1828 the previous '('. New error messages.
1830 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1832 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1833 part', it's already in use. Use %K instead. Add a return at the
1834 end of what is now %K.
1835 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1837 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1839 * builtins.c (expand_builtin_apply): Pass proper parameters to
1840 allocate_dynamic_stack_space.
1841 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1842 update stack_pointer_delta; do not update arg_size_so_far.
1843 (compute_argument_block_size): Use stack_delta instead of
1844 stack_pointer_pending and arg_size_so_far.
1845 (expand_call): Add sanity checking for stack_pointer_delta;
1846 save and restore stack_pointer_delta for SIB, use
1847 stack_pointer_delta for alignment; do not update arg_space_so_far.
1848 (emit_library_call_value): Use stack_pointer_delta for alignment.
1849 (store_one_arg): Do not update arg_space_so_far.
1850 * explow.c (adjust_stack, anti_adjust_stack): Update
1851 stack_pointer_delta.
1852 (allocate_dynamic_stack_space): Add sanity checking for
1853 stack_pointer_delta.
1854 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1855 stack_pointer_delta.
1856 (emit_push_insn): Update stack_pointer_delta.
1857 * function.h (struct expr_status): Add x_stack_pointer_delta;
1858 remove x_arg_space_so_far.
1859 (arg_space_so_far): Remove.
1860 (stack_pointer_delta): New macro.
1862 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1864 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1865 Reorder struct cpp_options and struct cpp_reader for better
1866 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1867 takes two args. Change all 'char' flags to 'unsigned char'.
1868 Move show_column flag into struct cpp_options. Don't
1869 prototype cpp_options_init.
1870 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1871 cppinit.c, cpplex.c, cpplib.c:
1872 Replace CPP_OPTIONS (pfile)->whatever with
1873 CPP_OPTION (pfile, whatever), and likewise for
1874 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1876 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1877 Extract CPP_OPTION (pfile, pending) and work with that
1879 (cpp_options_init): Delete.
1880 (cpp_reader_init): Turn on on-by-default options here.
1881 Allocate the pending structure here.
1882 (cl_options, enum opt_code): Define these from the same table,
1883 kept in a large macro. Add -fshow-column and -fno-show-column
1886 * cpperror.c (v_message): If show_column is off, don't print
1889 * cppmain.c: Update for new interface.
1890 * fix-header.c: Likewise.
1892 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1894 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1896 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1897 are passed to any invocation of AR_FOR_TARGET.
1898 (AR_CREATE_FOR_TARGET): New macro.
1899 (AR_EXTRACT_FOR_TARGET): New macro.
1900 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1901 AR_EXTRACT_FOR_TARGET.
1902 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1903 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1904 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1905 AR_EXTRACT_FOR_TARGET to sub-makes.
1907 2000-03-31 Neil Booth <NeilB@earthling.net>
1909 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1911 (_cpp_parse_expr): Check for multiple unary +/- operators.
1912 Correct priorities of ':' and '?'. Treat ')' as having a
1913 value. Ensure conditional expression is not void.
1915 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1917 * alias.c (canon_rtx): Make it global.
1918 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1920 * cse.c (struct table_elt): Add canon_exp.
1922 (invalidate): Canonicalize expressions only once.
1923 * rtl.h (canon_rtx): Declare.
1925 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1927 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1928 * alias.c (reg_known_value): Add comments.
1929 (init_alias_analysis): Likewise.
1930 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1932 (cse_basic_block): Fix typo in comment.
1933 * emit-rtl.c: Include hashtab.h.
1934 (const_int_htab): New variable.
1935 (const_int_htab_hash): New function.
1936 (const_int_htab_eq): Likewise.
1937 (rtx_htab_mark_1): Likewise.
1938 (rtx_htab_mark): Likewise.
1939 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1940 (unshare_all_rtx): Fix formatting.
1941 (init_emit_once): Initialize const_int_htab.
1942 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1944 * rtl.texi: Document the fact that all CONST_INTs with the same
1947 2000-03-30 Richard Henderson <rth@cygnus.com>
1949 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1951 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1953 * configure.in: Comment out --enable-c-cpplib stanza.
1954 * configure: Regenerate.
1956 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1958 * expr.c (store_constructor): Properly compute displacement and
1959 alignment when offset is variable.
1961 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1962 cases of alignment in bytes.
1964 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1966 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1967 since it is used to generate c-parse.y.
1968 * objc-parse.c, objc-parse.y: Regenerated.
1970 * function.c (expand_function_end): Pass alignment argument to
1971 emit_block_move in bits, not bytes.
1973 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1975 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1978 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1980 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1981 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1982 * function.c (assign_parms): Likewise.
1983 * integrate.c (expand_inline_function): Likewise.
1984 * stmt.c (expand_decl): Likewise.
1985 (copy_rtx_and_substitute): Likewise.
1986 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1987 (clear_by_pieces): Fix error in last change.
1988 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1989 * function.h (regno_pointer_align): Now unsigned.
1990 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1992 * config/i386/i386.c (aligned_operand): Likewise.
1993 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1994 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1995 (unaligned_memory_operand): Likewise.
1996 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1997 Also make alignments and sizes unsigned and some whitespace cleanup.
1998 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
2000 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
2001 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
2002 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
2003 (expand_builtin_memset): Likewise, but to clear_storage.
2004 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
2005 (restore_fixed_argument_area): Likewise.
2006 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
2007 (load_register_parameters): Likewise, to emit_group_load.
2008 (expand_call): Likewise, to emit_group_store and emit_block_move.
2009 (emit_library_call_value_1): Likewise, to emit_block_move.
2010 (store_one_arg): Likewise, and to emit_push_insn.
2011 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
2012 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
2013 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
2014 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2015 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
2016 (expand_assigment, store_expr, store_constructor_field): Likewise.
2017 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
2018 (store_constructor, store_field, get_inner_reference): Likewise.
2019 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
2020 (expand_expr, case COMPONENT_REF): Likewise.
2021 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
2022 and positions; reindent code.
2023 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
2024 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
2025 (assign_parms): Likewise to emit_group_store.
2026 * optabs.c (prepare_cmp_insn): Alignment is in bits.
2027 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
2028 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
2029 (expand_return): Likewise to {extract,store}_bit_field.
2030 * stor-layout.c (get_mode_alignment): Minor cleanup.
2031 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
2032 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
2034 2000-03-29 Nick Clifton <nickc@cygnus.com>
2036 * config/arm/arm.h: Undo effects of previous delta:
2037 (ASM_SPEC): Do not define.
2038 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
2040 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
2043 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2045 * cppinit.c (cpp_start_read): Call initialize_dependency_output
2046 only after reading in the primary source file.
2048 2000-03-29 Geoff Keating <geoffk@cygnus.com>
2050 * c-common.c (c_common_nodes_and_builtins): The first parameter to
2051 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
2052 or a reference to a va_list.
2053 * builtins.c (stabilize_va_list): Simplify now we don't have to
2054 work around C array address decay.
2055 * c-typeck.c (convert_for_assignment): Handle assignment to
2056 a reference parameter by taking the address of the RHS.
2057 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
2058 (va_copy): Likewise.
2059 (__va_copy): Likewise.
2060 * ginclude/varargs.h (va_start): Likewise.
2061 (__va_copy): Likewise.
2063 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
2065 * i386/djgpp.h: Remove extraneous "+".
2067 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
2069 * calls.c (expand_call): Fix typo in last change.
2071 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
2073 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
2076 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2078 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
2079 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
2080 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
2081 * tree.c (bit_position, byte_position): Likewise.
2082 * tree.h: Declare new functions.
2084 2000-03-29 Nick Clifton <nickc@cygnus.com>
2086 * config/arm/arm.c: Minor formatting changes/
2087 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2089 (ASM_SPEC): Define if not already defined.
2091 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2093 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
2096 2000-03-29 Jakub Jelinek <jakub@redhat.com>
2098 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
2099 value, don't output it as unsigned.
2101 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
2103 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
2105 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2107 * c-common.c (c_common_nodes_and_builtins): Don't special case
2108 cplus_mode when declaring builtin bzero/bcmp, always avoid
2109 prototype arguments.
2111 2000-03-29 Bruce Korb <bkorb@gnu.org>
2113 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
2116 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2118 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
2119 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
2120 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
2121 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
2122 (save_fixed_argument_area, restore_fixed_argument_area):
2123 conditionize by #ifdef REG_PARM_STACK_SPACE only.
2124 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
2125 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
2126 (precompute_register_parameters): Avoid #ifdefs on
2127 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
2128 (stire_one_args): Likewise.
2129 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
2130 (emit_library_call_value_1): Likewise.
2131 (compute_argument_block_size): Align to STACK_BOUNDARY only for
2132 ACCUMULATE_OUTGOING_ARGS.
2133 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
2135 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
2136 (use_crosses_set_p): Likewise.
2137 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
2138 #define ACCUMULATE_OUTGOING_ARGS 1.
2139 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
2141 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
2143 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
2144 (TARGET_SWITCHES): Add push-args, no-push-args,
2145 accumulate-outgoing-args and no-accumulate-outgoing-args.
2146 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
2147 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
2148 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
2150 (emit_push_insn): Likewise.
2151 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2152 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
2153 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2154 (STACK_DYNAMIC_OFFSET): Define correctly for both
2155 ACCUMULATE_OUTGOING_ARGS and normal mode.
2156 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
2157 * tm.texi (PUSH_ARGS): Document.
2158 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
2160 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
2162 * flags.h (flag_optimize_sibling_calls): Declare.
2163 * calls.c (expand_call): Fail sibcall when
2164 !flag_optimize_sibling_calls
2165 * invoke.texi (flag_optimize_sibling_calls): Document.
2166 * toplev.c (flag_optimize_sibling_calls): New global variable.
2167 (f_options): Add flag_optimize_sibling_calls.
2168 (rest_of_compilation): Conditionize
2169 optimize_sibling_and_tail_recursive_calls by
2170 flag_optimize_sibling_calls.
2171 (main): Set flag_optimize_sibling_calls for -O2.
2172 * stmt.c (expand_return): Conditionize tail recursion by
2173 flag_optimize_sibling_calls.
2175 2000-03-29 Richard Henderson <rth@cygnus.com>
2177 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
2178 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
2180 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
2182 * except.c (add_eh_table_entry): Mark type_info's as referenced.
2184 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2186 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
2188 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
2189 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
2190 * config/rs6000/aix.h: then modified likewise.
2192 2000-03-28 Richard Henderson <rth@cygnus.com>
2194 * rtl.h: Redistribute enum reg_note documentation.
2195 Kill trailing whitespace.
2196 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
2197 Kill trailing whitespace.
2199 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
2201 * cppfiles.c (hash_IHASH): Just return i->hash.
2202 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
2203 htab_find_with_hash.
2204 (cpp_read_file): Likewise.
2205 (find_include_file): Likewise. Properly initialize
2206 ih->nshort. Share ih->name and ih->nshort if possible.
2207 * cpphash.c (_cpp_calc_hash): New function.
2208 (hash_HASHNODE): Just return h->hash.
2209 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
2210 htab_find_with_hash.
2211 * cpphash.h: Prototype _cpp_calc_hash.
2212 * cppinit.c (initialize_builtins): Provide a valid hash
2213 to _cpp_make_hashnode, using _cpp_calc_hash.
2215 * cpphash.c (collect_expansion): # is not a special character
2216 in object-like macros. In -traditional mode, /**/ is not
2217 token paste at the beginning or end of the line.
2218 * cpplib.c (do_include, do_import, do_include_next): If
2219 parse_include fails, return immediately.
2221 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
2223 * config/arm/arm.md (return peepholes): Update to reflect the new
2225 * config/arm/arm.c (arm_volatile_func): Also check
2226 current_function_nothrow.
2227 (output_return_instruction, output_func_prologue): Use it.
2228 (arm_output_epilogue, arm_expand_prologue): Likewise.
2230 2000-03-27 Tom Tromey <tromey@cygnus.com>
2232 * gcc.c (handle_braces): In {x*...} case, break out of loop if
2235 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2237 * expr.c (store_constructor): SIZE now signed.
2238 For EXPR_SIZE, don't evaluate size; just needed if constant.
2239 * fold-const.c (fold): Fix a number of cases when folded tree is
2241 * function.c (flush_addressof): Reenable.
2242 * tree.h (flush_addressof): Likewise.
2243 * toplev.c (independent_decode_option): Look at strings_processed.
2244 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
2246 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2248 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2249 Allow stack adjustment after function call.
2251 * regmove.c (struct csa_memlist): Make mem field rtx *.
2252 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2253 (try_apply_stack_adjustment): Replace whole MEM rtx.
2254 (combine_stack_adjustments_for_block): Update calls
2255 to record_one_stack_ref.
2257 2000-03-28 Neil Booth <NeilB@earthling.net>
2259 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2260 '\\' rather than a null character, so nulls are not special. Fix
2261 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2262 speed trigraph conversion.
2263 (_cpp_init_input_buffer): Initialize trigraph map.
2265 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2267 * config/i386/i386.c (output_387_binary_op): Correct intel
2268 mode assembly output, and add spaces after commas in AT&T
2269 output. Correct Unixware assembler comment. Document input
2270 constraints. Comment fp operations. Reduce profligate buffer
2271 size. Remove extraneous abort. Localize temp var.
2272 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2273 (output_fix_trunc): Add spaces after commas in assembly output.
2275 2000-03-27 Richard Henderson <rth@cygnus.com>
2277 * i386-protos.h (ix86_match_ccmode): Declare.
2278 * i386.c (ix86_match_ccmode): New.
2279 (ix86_expand_fp_compare): Update for pattern renames.
2280 (ix86_expand_strlensi_unroll_1): Likewise.
2281 * i386.h (EXTRA_CC_MODES): Add CCZ.
2282 (SELECT_CC_MODE): Use it for EQ/NE zero.
2283 * i386.md (cmpsi_ccz_1): New.
2285 (*testsi_ccz_1): New.
2286 (testqi_ccz_1): New.
2287 (cmpsi_ccno_1): Rename from cmpsi_0.
2288 (testsi_ccno_1): Rename from testsi_1.
2289 (testqi_ccno_1): Rename from testqi_1.
2290 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2291 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2292 (*cmphi_0): Use ix86_match_ccmode.
2293 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2294 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2295 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2296 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2297 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2298 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2299 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2300 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2301 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2302 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2303 (appropriate peepholes): Likewise.
2304 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2305 (*subsi_3, *subhi_3, *subqi_3): Remove.
2306 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2307 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2308 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2309 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2310 (x86_shift_adj_1): Use CCZ.
2311 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2313 2000-03-27 Stan Cox <scox@cygnus.com>
2315 * resource.h (mark_resource_type): New.
2316 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2317 find_free_register): Use mark_resource_type.
2318 (mark_set_resources): Change include_delayed_effects
2319 to mark_resource_type.
2320 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2321 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2322 Use mark_resource_type.
2324 2000-03-27 Richard Henderson <rth@cygnus.com>
2326 * i386.md (call_pop_0, call_value_pop_0): New.
2327 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2328 (call_value_pop_1): Likewise.
2329 (call_0, call_value_0): New.
2330 (call_1, call_value_1): Remove constraint from unused arg.
2332 2000-03-27 Nick Clifton <nickc@cygnus.com>
2334 * invoke.texi (Spec Files): Document new spec % command created by
2335 Tom Tromey's recent patch.
2337 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2339 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2342 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2344 * expr.c (expand_assignment): Fix typo in last change.
2346 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2348 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2350 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2351 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2352 and DECL_INLINE if FUNCTION_DECL.
2353 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2354 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2355 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2356 (combine_parm_decls): Likewise.
2357 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2358 * print-tree.c (print_node): Likewise.
2359 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2360 DECL_TRANSPARENT_UNION on proper decl types.
2361 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2362 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2363 DECL_BIT_FIELD of FIELD_DECL.
2364 * tree.h (DECL_RESULT_FLD): New macro.
2366 * expr.c (expand_assignment): Add code to handle variable-sized
2369 2000-03-26 Richard Henderson <rth@cygnus.com>
2371 * calls.c (expand_call): Pass parms not original exp to
2372 optimize_tail_recursion. Mind return value instead of looking
2374 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2375 call_expr. Move checks for call_expr and current_function_decl ...
2376 (expand_return): ... here.
2378 2000-03-26 Tom Tromey <tromey@cygnus.com>
2380 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2381 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2383 (process_command): Use them.
2384 (check_live_switch): Likewise.
2385 (give_switch): Skip ignored switches.
2387 2000-03-26 Jan Hubicka <jh@suse.cz>
2389 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2390 for minimal jump pass test.
2392 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2394 * integrate.c (function_cannot_inline_p): Do inline functions that
2397 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2399 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2400 now a list of TREE_LIST entries, not types.
2401 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2403 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2404 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2406 * config/mips/mips.c (function_arg): Likewise; also remove cast
2407 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2408 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2409 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2410 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2411 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2412 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2413 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2414 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2415 num_adjusts now unsigned.
2416 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2417 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2419 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2420 as is BITPOS variable; use host_integerp and int_bit_position.
2421 (function_arg_record_value_2): Likewise.
2422 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2423 Variable REGNO now unsigned.
2424 (function_arg_record_value): NREGS now unsigned.
2426 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2428 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2430 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2432 * Rework fields used to describe positions of bitfields and
2433 modify sizes to be unsigned and use HOST_WIDE_INT.
2434 * alias.c (reg_known_value_size): Now unsigned.
2435 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2436 (really_start_incremental_init): Use bitsize_zero_node.
2437 (push_init_level, pop_init_level, output_init_element): Likewise.
2438 Use bitsize_unit_node and bitsize_one_node.
2439 (output_pending_init_elements, process_init_element): Likewise.
2440 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2441 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2442 HOST_WIDE_INT, respectively.
2443 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2444 (num_sign_bit_copies): Returns unsigned.
2445 BITWIDTH now unsigned; rework arithmetic.
2446 Remove recursive call from arg to MAX.
2447 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2448 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2450 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2451 (find_split_point, expand_compound_operation, make_extraction): LEN
2452 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2453 (make_field_assignment): Likewise.
2454 (combine_simplify_rtx): Add cast.
2455 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2456 (force_to_mode): WIDTH now unsigned; add cast.
2457 (if_then_else_cond): SIZE now unsigned.
2458 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2459 (extended_count): Now returns unsigned.
2460 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2461 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2462 (simplify_comparison): MODE_WIDTH now unsigned.
2463 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2464 (mark_used_regs_combine): Likewise; rework arithmetic.
2465 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2466 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2467 (record_promoted_value): REGNO now unsigned.
2468 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2469 (get_last_value): REGNO now unsigned.
2470 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2471 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2472 (remove_death): Arg REGNO now unsigned.
2473 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2474 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2476 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2477 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2478 (struct cse_reg_info): REGNO now unsigned.
2479 (cached_regno): Now unsigned.
2480 (REGNO_QTY_VALID_P): Add cast.
2481 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2482 (remove_invalid_regs): Likewise.
2483 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2484 as are variables END and I.
2485 (get_cse_reg_info, insert): Likewise.
2486 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2487 (canon_hash): Likewise.
2488 (insert_regs, lookup_for_remove): REGNO now unsigned.
2489 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2491 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2492 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2493 * emit-rtl.c (subreg_realpart_p): Add cast.
2494 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2495 (operand_subword_force): Arg I is now unsigned.
2496 * except.c (eh_regs): Variable I is now unsigned.
2497 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2498 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2499 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2500 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2501 (extract_split_bit_field, store_bit_field, extract_bit_field):
2503 * expr.c (store_constructor_fields, store_constructor, store_field):
2504 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2505 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2506 (do_jump): Likewise.
2507 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2508 MAX_SIZE is now unsigned.
2509 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2510 (emit_group_store): Likewise.
2511 (emit_move_insn): I now unsigned.
2512 (store_constructor): Use host_integerp, tree_low_cst, and
2514 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2515 Rework all calculations to use trees and new fields.
2516 * expr.h (promoted_input_arg): Regno now unsigned.
2517 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2518 (mark_seen_cases): Arg is HOST_WIDE_INT.
2519 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2520 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2521 precisions and alignments are unsigned.
2522 (optimize_bit_field_compare, fold_truthop): Likewise.
2523 (int_const_binop): Adjust threshold for size_int_type_wide call.
2524 (fold_convert): Likewise.
2525 (size_int_type_wide): Make table larger and fix thinko that only
2526 had half of table used.
2527 (all_ones_mask_p, fold): Precisions are unsigned.
2528 * function.c (put_reg_info_stack): REGNO is unsigned.
2529 (instantiate_decl): Size is HOST_WIDE_INT.
2530 (instantiate_virtual_regs): I is unsigned.
2531 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2532 (promoted_input_arg): REGNO is unsigned.
2533 * function.h (struct function): x_max_parm_reg is now unsigned.
2534 * gcse.c (max_gcse_regno): Now unsigned.
2535 (struct null_pointer_info): min_reg and max_reg now unsigned.
2536 (lookup_set, next_set): REGNO arg now unsigned.
2537 (compute_hash_table): REGNO and I now unsigned.
2538 (handle_avail_expr): regnum_for_replacing now unsigned.
2539 (cprop_insn): REGNO now unsigned.
2540 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2541 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2542 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2543 * hard-reg-set.h (reg_class_size): Now unsigned.
2544 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2545 * jump.c (mark_modified_reg): I now unsigned; add cast.
2546 (rtx_equal_for_thread_p): Add cast.
2547 * loop.c (max_reg_before_loop): Now unsigned.
2548 (struct_movable): REGNO now unsigned.
2549 (try_copy_prop): REGNO arg unsigned.
2550 (regs_match_p): XN and YN now unsigned.
2551 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2552 (strength_reduce): Likewise; NREGS also unsigned.
2553 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2554 * loop.h (struct iv_class): REGNO now unsigned.
2555 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2557 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2558 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2559 * optabs.c (expand_binop): I and NWORDS now unsigned.
2560 (expand_unop): I now unsigned.
2561 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2562 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2563 * real.c (significand_size): Now returns unsigned.
2564 * real.h (significand_size): Likewise.
2565 * regclass.c (reg_class_size): Now unsigned.
2566 (choose_hard_reg_mode): Both operands now unsigned.
2567 (record_reg_classes): REGNO and NR now unsigned.
2568 (reg_scan): NREGS now unsigned.
2569 (reg_scan_update): old_max_regno now unsigned.
2570 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2571 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2572 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2573 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2574 Likewise for variable R.
2575 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2576 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2577 (find_equiv_reg): Add casts.
2578 (regno_clobbered_p): Arg REGNO now unsigned.
2579 * reload.h (struct reload): NREGS now unsigned.
2580 (refers_to_regno_for_reload_p): Regno args are unsigned.
2581 (regno_clobbered_p): Likewise.
2582 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2583 (compute_use_by_pseudos): REGNO now unsigned.
2584 (find_reg): I and J now unsigned, new variable K, and change loop
2585 variables accordingly; THIS_NREGS now unsigned.
2586 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2587 (spill_hard_reg): REGNO arg now unsigned; add casts.
2588 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2589 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2590 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2591 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2592 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2593 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2594 (emit_reload_insns): REGNO now unsigned.
2595 (reload_cse_move2add): Add cast.
2596 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2598 * resource.c (mark_referenced_resources, mark_set_resources): New
2599 variable R; REGNO and LAST_REGNO now unsigned.
2600 (mark_target_live_regs): J and REGNO now unsigned.
2601 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2602 * rtl.h (union rtunion_def): New field rtuint.
2603 (XCUINT): New macro.
2604 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2605 (operand_subword, operand_subword_force): Word number is unsigned.
2606 (choose_hard_reg_mode): Operands are unsigned.
2607 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2608 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2609 (regno_use_in, combine_instructions, remove_death): Likewise.
2610 (reg_scan, reg_scan_update): Likewise.
2611 (extended_count): Return is unsigned.
2612 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2613 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2614 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2615 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2616 (reg_reg_last_1): FIRS and LAST now unsigned.
2617 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2618 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2620 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2621 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2622 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2623 (replace_regs): Arg NREGS now unsigned.
2624 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2625 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2626 (simplify_binary_operation): Likewise.
2627 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2628 THIS_LAST now unsigned.
2629 (cselib_record_set): Add cast.
2630 * ssa.c (ssa_max_reg_num): Now unsigned.
2631 (rename_block): REGNO now unsigned.
2632 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2634 (all_cases_count): Just return -1 not -2.
2635 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2636 Rework tests to use trees whenever possible.
2637 Use host_integerp and tree_low_cst.
2638 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2639 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2640 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2641 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2642 (smallest_mode_for_size): Likewise.
2643 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2644 KNOWN_ALIGN is now an alignment, so simplify code.
2645 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2646 (start_record_layout): Renamed from new_record_layout_info.
2647 Update to new fields.
2648 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2650 (place_union_field): Renamed from layout_union_field.
2651 Update to use new fields in rli.
2652 (place_field): Renamed from layout_field.
2653 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2654 (finalize_record_size): Rework to use new fields in rli and handle
2656 (compute_record_mode): Rework to simplify and to use new DECL fields.
2657 (finalize_type_size): Make rounding more consistent.
2658 (finish_union_layout): Deleted.
2659 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2660 (layout_type, case RECORD_TYPE): Call new function names.
2661 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2662 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2663 (get_best_mode): UNIT is now unsigned; remove casts.
2664 * tree.c (bit_position): Compute from new fields.
2665 (byte_position, int_byte_position): New functions.
2666 (print_type_hash_statistics): Cast to remove warning.
2667 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2668 (build_index_type): Likewise; make subtype of sizetype.
2669 (build_index_2_type): Pass sizetype to build_range_type.
2670 (build_common_tree_nodes): Use size_int and bitsize_int to
2671 initialize nodes; add bitsize_{zero,one,unit}_node.
2672 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2673 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2674 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2675 (DECL_FIELD_BITPOS): Deleted.
2676 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2677 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2678 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2679 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2680 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2681 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2682 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2683 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2684 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2685 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2686 (DECL_ALIGN): Adjust to new field in union.
2687 (DECL_OFFSET_ALIGN): New field.
2688 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2689 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2690 (union tree_decl): Add struct for both aligns.
2691 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2692 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2693 (struct record_layout_info): Rework fields to have offset
2694 alignment and byte and bit position.
2695 (start_record_layout, place_field): Renamed from old names.
2696 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2697 (byte_position, int_byte_position): Likewise.
2698 (get_inner_reference): Change types of position and length.
2699 * unroll.c (unroll_loop): New variable R; use for some loops.
2700 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2701 (calculate_giv_inc): Arg REGNO now unsigned.
2702 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2703 * varasm.c (assemble_variable): Clean up handling of size using
2704 host_integerp and tree_low_cst.
2705 (decode_addr_const): Use byte, not bit, position.
2706 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2707 use tree_low_cst and int_bit_position.
2708 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2710 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2712 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2713 (reorder_block_def): New members eff_head and eff_end.
2714 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2715 (verify_insn_chain): New function.
2716 (skip_insns_between_block): Add code to skip deleted insns.
2717 Check for note before using.
2718 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2719 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2720 Check for note before using.
2721 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2722 (fixup_reorder_chain): Restructure, clean up, defect removal.
2723 (reorder_basic_blocks): Remove last_insn and references to it.
2724 Moved insn chain verification code into a new function (see above).
2725 Delete defective code that sets last insn.
2726 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2729 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2731 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2733 2000-03-24 Richard Henderson <rth@cygnus.com>
2735 * tree.c (lang_safe_for_unsave): Remove.
2736 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2737 allowing for two levels of unsafeness. Remove lang hook.
2738 * tree.h: Update declarations.
2739 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2740 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2741 Always fail sibcalls when there are pending cleanups.
2743 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2745 * flow.c (propagate_block): When we delete an ADDR_VEC,
2746 also delete the BARRIER following it if there is one.
2748 2000-03-24 Richard Henderson <rth@cygnus.com>
2750 * builtins.c (expand_builtin_bzero): Convert `length' argument
2753 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2755 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2756 comparison if regno's are equal.
2757 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2758 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2759 (expand_call): Update caller.
2760 Avoid making a sibling call if argument size of the callee is larger
2761 than argument size of the caller.
2762 Call hard_function_value with outgoing set if in sibcall pass.
2763 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2765 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2766 Change LEAF_REGISTERS from an array initializer to actual array
2767 identifier. Move static global variable into the function.
2768 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2769 sequences for leaf functions.
2770 * global.c (global_alloc): Likewise.
2771 * tm.texi (LEAF_REGISTERS): Update documentation.
2773 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2774 TARGET_FLAT leaf disabling hack.
2775 (LEAF_REGISTERS): Changed from an array initializer to actual array
2776 identifier to avoid duplication and remove the above hack.
2777 (FUNCTION_OK_FOR_SIBCALL): Define.
2778 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2779 always like call attribute.
2780 (eligible_for_sibcall_delay): New attribute.
2781 (sibcall): New delay type.
2782 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2783 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2784 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2785 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2786 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2788 (output_function_epilogue): Move part of the code into
2789 output_restore_regs.
2790 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2792 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2795 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2796 until infrastructure is finished.
2798 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2800 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2801 (save_parm_insns): Not here.
2803 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2805 * builtins.c (expand_builtin_bzero): New function.
2806 (expand_builtin): Handle bzero.
2808 * builtins.def: Add BUILT_IN_BZERO.
2810 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2811 prototype & function for bzero.
2813 2000-03-23 Michael Meissner <meissner@redhat.com>
2815 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2816 change adding TARGET_FP to the TF floating point insns, except for
2817 trunctfsf2, which generates direct calls to truncdfsf2.
2819 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2821 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2822 try to protect against middle-end changes that break binary
2824 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2826 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2828 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2830 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2832 * calls.c (expand_call): If TARGET is passed by reference and
2833 is readonly, write a CLOBBER.
2835 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2837 * builtins.c (expand_builtin): Handle bcmp.
2839 * builtins.def: Add BUILT_IN_BCMP.
2841 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2842 prototype & function for bcmp.
2844 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2846 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2847 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2848 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2850 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2852 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2853 alternative when using -fp64 -gp32.
2855 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2857 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2858 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2859 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2861 * frame.h (frame_state): Revert last change.
2862 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2863 * libgcc2.c (throw_helper): Revert last change.
2865 2000-03-22 Richard Henderson <rth@cygnus.com>
2867 * stmt.c (expand_asm_operands): Don't promote the temporary.
2869 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2871 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2872 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2873 c_get_alias_set): Likewise.
2874 * c-decl.c (duplicate_decls): Likewise.
2875 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2876 * calls.c (initialize_argument_information): Likewise.
2877 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2879 * dwarfout.c (decl_class_context,output_type): Likewise.
2880 * expr.c (get_inner_reference): Likewise.
2881 * fold-const.c (simple_operand_p,fold): Likewise.
2882 * function.c (aggregate_value_p): Likewise.
2883 * stmt.c (expand_asm_operands): Likewise.
2884 * varasm.c (named_section): Likewise.
2886 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2888 Implement dwarf2 exception handling for the ARM.
2889 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2890 (DWARF_FRAME_RETURN_COLUMN): Define.
2891 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2892 REG_FRAME_RELATED_EXPR note.
2893 (emit_sfm): Likewise.
2894 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2895 * dwarf2out.c (reg_save): Handle saving a register to itself.
2896 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2897 * except.c (eh_regs): Don't use the static chain reg if it's
2899 * frame.h (frame_state): Add cfa_saved field.
2900 * frame.c (execute_cfa_insn): Set it.
2901 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2903 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2905 (instantiate_virtual_regs): Adjust.
2907 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2908 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2909 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2911 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2912 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2914 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 * builtins.def: New file.
2918 * Makefile.in (TREE_H): Depend on builtins.def.
2920 * builtins.c (built_in_names): Use builtins.def.
2922 * tree.h (built_in_function): Likewise.
2924 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2926 * tree.c (size_in_bytes): Return size_zero_node, not
2929 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2931 * config/fp-bit.c (pack_d): Correct the case when a denormal
2932 is rounded up and stops being denormal.
2934 2000-03-21 Richard Henderson <rth@cygnus.com>
2936 * config/alpha/alpha.c (function_arg): Check for void_type_node
2937 before using MUST_PASS_IN_STACK.
2939 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2941 * regmove.c (combine_stack_adjustments_for_block): Check that
2942 the stack pointer is a valid memory address.
2944 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2946 * calls.c: re-install Mar 16 emit_library_call merge.
2948 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2950 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2951 we cannot be sure that if reload_completed base register will
2952 be properly aligned.
2954 2000-03-21 Richard Henderson <rth@cygnus.com>
2956 * flow.c (delete_block): Fix typo last change.
2958 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2960 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2961 not COMPLETE_TYPE_P, to check the type of the expression.
2963 2000-03-21 Michael Meissner <meissner@redhat.com>
2965 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2966 all floating point insns that just tested the macro
2967 TARGET_HAS_XFLOATING_LIBS.
2968 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2969 used to only use the gprs.
2971 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2973 * tree.h (COMPLETE_TYPE_P): New macro.
2974 (COMPLETE_OR_VOID_TYPE_P): New macro.
2975 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2976 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2977 * c-aux-info.c (gen_type): Use them.
2978 * c-common.c (c_expand_expr_stmt): Likewise.
2979 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2980 grokdeclarator, grokparms, finish_struct, start_function,
2981 store_parm_decls, combine_parm_decls): Likewise.
2982 * c-parse.y (cast_expr): Likewise.
2983 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2984 c_size_in_bytes, c_alignof, build_component_ref,
2985 build_indirect_ref, build_array_ref, convert_arguments,
2986 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2987 * calls.c (initialize_argument_information): Likewise.
2988 * convert.c (convert_to_integer): Likewise.
2989 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2990 * dwarfout.c (location_or_const_value_attribute,
2991 output_enumeration_type_die, output_structure_type_die,
2992 output_union_type_die, output_type): Likewise.
2993 * expr.c (safe_from_p, expand_expr): Likewise.
2994 * function.c (assign_parms): Likewise.
2995 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2996 * tree.c (build_array_type, build_function_type,
2997 build_method_type, build_offset_type, build_complex_type): Likewise.
2998 * c-parse.c, c-parse.h: Regenerated.
3000 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3002 * config/c4x/rtems.h: Include config/rtems.h.
3004 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
3006 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
3007 decl is a FUNCTION_DECL
3009 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
3011 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
3012 function uses output registers. Don't save RP for leaf functions.
3013 Do save RP even if no epilogue.
3014 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
3015 (CALL_USED_REGISTERS): Unmark in registers.
3016 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
3019 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3021 * config/rs6000/rs6000.md (bunordered): New expander.
3022 (bordered): New expander.
3023 (buneq): New expander.
3024 (bunge): New expander.
3025 (bungt): New expander.
3026 (bunle): New expander.
3027 (bunlt): New expander.
3028 (bltgt): New expander.
3030 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
3031 (ccr_bit_negated_p): New function.
3032 (print_operand): For %C, generate appropriate cror for UNEQ,
3033 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
3035 2000-03-20 Andreas Jaeger <aj@suse.de>
3037 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
3040 * tree.h (safe_for_unsave): Prototype.
3042 2000-03-20 Richard Henderson <rth@cygnus.com>
3044 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
3045 (combine_stack_adjustments_for_block): Don't allow sp references
3046 in the side of a set we're not fixing up.
3047 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
3048 after life_analysis.
3050 2000-03-20 Richard Henderson <rth@cygnus.com>
3052 * calls.c (expand_call): Don't bother generating tail call
3053 sequences if there are pending cleanups. Use
3054 expand_start_target_temps/expand_end_target_temps to elide
3055 cleanups created during sibcall expansion.
3057 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3059 * configure.in: Set $IFS to a value if it doesn't already have one
3060 in the --enable-checking handling.
3061 * configure: Regenerate.
3063 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3065 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
3066 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3069 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
3071 * jump.c (delete_noop_moves): Remove code attempting to
3072 combine stack adjustments.
3074 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3076 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
3077 * except.c (emit_cleanup_handler): Use them.
3078 (expand_end_all_catch): Likewise.
3079 * function.c (fixup_var_refs): Likewise.
3080 (expand_function_end): Clear catch_clauses_last.
3081 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
3082 * except.h (struct eh_status): New field x_catch_clauses_last.
3083 (catch_clauses_last): New define.
3085 * Makefile.in (tree.o): Depend on HASHTAB_H.
3086 * tree.c: Include hashtab.h.
3087 (struct type_hash): Remove next field.
3088 (TYPE_HASH_SIZE): Remove.
3089 (TYPE_HASH_INITIAL_SIZE): New define.
3090 (type_hash_table): Change type to htab_t.
3091 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
3092 mark_hash_entry): New functions.
3093 (init_obstacks): Allocate type hash.
3094 (type_hash_lookup): Use htab functions.
3095 (type_hash_add, mark_type_hash): Likewise.
3096 (dump_tree_statistics): Call print_type_hash_statistics.
3098 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3100 * rs6000/t-aix41: New file.
3102 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
3104 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
3106 * tm.texi (Driver): Fix typos and tweak entry for
3108 Move misplaced STRUCT_FORCE_BLK entry ...
3109 (Storage Layout): ... to here.
3110 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
3112 2000-03-19 Richard Henderson <rth@cygnus.com>
3114 * flow.c (delete_block): Delete the addr_vec along with the block.
3115 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
3118 * fold-const.c (extract_muldiv): Apply type check for defined
3119 overflow to multiply as well as divide.
3121 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
3123 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3125 * emit-rtl.c (remove_unncessary_notes): Check that all
3126 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
3127 associated NOTE_BLOCK.
3128 * function.h (identify_blocks): Update comments.
3129 (reorder_blocks): Declare.
3130 * function.c (identify_blocks): Don't take paramters.
3131 (reorder_blocks): Don't take parameters.
3132 * loop.h (find_loop_tree_blocks): Remove.
3133 (unroll_block_trees): Likewise.
3134 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
3135 reorder_blocks instead of unroll_block_trees.h
3136 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
3137 * stmt.c (find_loop_tree_blocks): Remove.
3138 (unroll_block_trees): Likewise.
3139 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
3140 in whole-function mode.
3141 * tree.h (reorder_blocks): Remove declaration.
3143 * expr.c: Include intl.h.
3144 * Makefile.in (expr.o): Depend on intl.h.
3146 2000-03-18 Richard Henderson <rth@cygnus.com>
3148 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
3150 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3152 * tree.h (tree_index): Remove enumerals for integer types.
3153 (integer_type_kind): New type.
3154 (integer_types): New variable.
3155 (char_type_node): Adjust.
3156 (signed_char_type_node): Likewise.
3157 (unsigned_char_type_node): Likewise.
3158 (short_integer_type_node): Likewise.
3159 (short_unsigned_type_node): Likewise.
3160 (integer_type_node): Likewise.
3161 (unsigned_type_node): Likewise.
3162 (long_integer_type_node): Likewise.
3163 (long_unsigned_type_node): Likewise.
3164 (long_long_integer_type_node): Likewise.
3165 (long_long_unsigned_type_node): Likewise.
3166 * tree.c (integer_types): New variable.
3167 (init_obstacks): Register it as a root.
3169 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
3171 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
3172 NEXT_INSN. Update last insn in chain.
3174 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
3176 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
3177 with TYPE_DECL_SUPPRESS_DEBUG set.
3179 2000-03-18 Richard Henderson <rth@cygnus.com>
3181 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
3183 2000-03-18 Richard Henderson <rth@cygnus.com>
3185 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
3186 care for HALF_PIC_P.
3187 (expander_call_insn_operand): Remove.
3188 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
3189 * i386.h (PREDICATE_CODES): Update.
3190 * i386.md (all call expanders): Remove predicates, remove special
3191 handling for half-pic.
3192 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
3193 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
3194 (sibcall_epilogue): New.
3196 2000-03-17 Richard Henderson <rth@cygnus.com>
3198 * rtlanal.c (single_set): Reject if the parallel has anything
3199 except SET or USE or CLOBBER.
3201 2000-03-17 Jeff Law <law@cygnus.com>
3202 Richard Henderson <rth@cygnus.com>
3204 * Makefile.in (OBJS): Add sibcall.o.
3206 * sibcall.c: New file.
3207 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
3208 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
3209 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
3210 Emit sibcall patterns when requested. Update all callers.
3211 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
3212 elimination seems feasable.
3213 * final.c (leaf_function_p): Sibling calls don't discount being
3215 * flow.c (HAVE_sibcall_epilogue): Provide default.
3216 (find_basic_blocks_1): Sibling calls don't throw.
3217 (make_edges): Make edge from sibling call to EXIT.
3218 (propagate_block): Don't remove sibcall_epilogue insns.
3219 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
3220 (sibcall_epilogue): New.
3221 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
3222 (identify_blocks_1): Likewise. Break out from ...
3223 (identify_blocks): ... here.
3224 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
3225 (reorder_blocks): ... here.
3226 (init_function_for_compilation): Zap prologue/epilogue as varrays.
3227 (record_insns): Extend a varray instead of mallocing new memory.
3228 (contains): Read a varray not array of ints.
3229 (sibcall_epilogue_contains): New.
3230 (thread_prologue_and_epilogue_insns): Emit and record
3231 sibcall_epilogue patterns.
3232 (init_function_once): Allocate prologue/epilogue varrays.
3233 * genflags.c (gen_insn): Treat sibcall patterns as calls.
3234 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
3236 (save_for_inline_nocopy): ... here.
3237 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
3239 (expand_inline_function): ... here.
3240 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
3241 (subst_constants): Handle 'n' formats.
3242 * jump.c (jump_optimize_minimal): New.
3243 (jump_optimize_1): New arg `minimal'; update callers. Elide most
3244 optimizations if it's set.
3245 * rtl.c (copy_rtx): Do copy jump & call for insns.
3246 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3247 (SIBLING_CALL_P): New.
3248 (sibcall_use_t): New.
3249 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3250 Invoke optimize_sibling_and_tail_recursive_calls.
3251 * tree.c (lang_safe_for_unsave): New.
3252 (safe_for_unsave): New.
3253 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3255 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3256 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3257 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3259 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3261 * objc/objc-act.c (encode_method_prototype): Pass types, not
3262 PARM_DECLs, to int_size_in_bytes.
3264 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3266 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3268 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3269 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3271 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3273 * Clean up usages of TREE_INT_CST_LOW.
3274 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3275 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3277 * c-tree.h (min_precision): Move declaration to here.
3278 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3279 (build_unary_op, add_pending_init): Use bit_position.
3280 (pending_init_member, process_init_element): Likewise.
3281 (really_start_incremental_init, push_init_level, pop_init_level):
3282 Don't make copies of nodes or modify them in place, use consistent
3283 types when tracking positions, and use tree routines computations.
3284 (set_init_index, output_init_element): Likewise.
3285 (output_pending_init_elements, process_init_element): Likewise.
3286 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3287 tree_low_cst and int_bit_position; also minor cleanup.
3288 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3289 (print_cst_octal): Precision is unsigned.
3290 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3291 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3292 (simple_type_align_in_bits): Result is unsigned int.
3293 Use tree_int_low_cst and host_integerp.
3294 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3295 (field_byte_offset): Result is HOST_WIDE_INT.
3296 Change types of internal variables so alignments are unsigned int,
3297 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3298 Use host_integerp, tree_low_cst, and int_bit_position.
3299 (add_bit_offset_attribute): Likewise.
3300 (add_data_member_location_attribute): Use tree_cst_low.
3301 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3302 (add_bit_size_attribute): Use tree_low_cst.
3303 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3304 * dwarfout.c: Similar changes to dwarf2out.c.
3305 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3306 * genoutput.c (n_occurences): Return -1 for null string.
3307 (strip_whitespace): Accept null string and make into function.
3308 (scan_operands): Reflect above changes.
3309 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3310 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3311 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3312 * tree.c (int_size_in_bytes): Check for too big to represent.
3313 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3314 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3316 (min_precision): Delete from here.
3317 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3318 and int_bit_position.
3319 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3320 (encode_method_def): Likewise.
3321 (build_ivar_list_initializer): Use int_bit_position.
3322 (generate_shared_structures): Convert size.
3323 (encode_type, encode_complete_bitfield): Use integer_zerop.
3324 (encode_bitfield): Use tree_low_cst and int_bit_position.
3326 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3328 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3330 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3332 * call.c (special_function_p): It is only malloc if it returns
3335 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3337 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3338 (C33_FLAG, TARGET_C3X): Add macros.
3339 (TARGET_SWITCHES): Add -m33 option.
3340 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3342 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3344 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3345 (PARALLEL_PACK_FLAG): Delete.
3346 (TARGET_SWITCHES): Update.
3347 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3349 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3351 * fold-const.c (fold): Fix a few cases when the returned result
3352 is not of the same type as the input.
3354 2000-03-16 Nick Clifton <nickc@cygnus.com>
3356 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3359 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * libgcc2.h: Move prototypes above macros with the same name.
3362 Wrap some function prototypes in the conditional which indicates
3363 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3365 2000-03-16 Richard Henderson <rth@cygnus.com>
3367 * calls.c: Revert last two changes.
3369 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3371 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3372 has exponent 0 is a zero.
3374 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3375 HASH may already be nonzero. Add code/mode into hash value
3376 immediately after repeat label.
3377 (cselib_lookup): Don't leave the hash table in an inconsistent
3378 state before a hash lookup operation.
3380 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3382 * i386.md (all HI and QI mode non-move patterns): Conditionize
3383 by TARGET_[HQ]IMODE_MATH.
3384 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3385 x86_promote_qi_regs): Declare.
3386 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3387 TARGET_PROMOTE_QI_REGS): New macros.
3388 (PROMOTE_MODE): New macro.
3389 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3390 x86_promote_qi_regs): New global variables.
3392 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3394 * calls.c (emit_library_call_value_1): Break out from ...; handle
3395 VOIDmode function calls too.
3396 (emit_library_call_value): ... here.
3397 (emit_library_call): Implement by calling emit_library_call_value_1.
3399 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3401 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3402 Update arg_space_so_far on stack adjustments.
3403 (emit_library_call, emit_library_call_value): Likewise; take into
3404 account arg_space_so_far and pending_stack_adjust when calculcating
3407 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3409 * flow.c: Move all basic block reordering code into its own file.
3410 (create_basic_block): Externalize.
3411 * bb-reorder.c: New file. Copy all basic block reordering code from
3412 flow.c to this file.
3413 (reorder_basic_blocks): Fix fencepost error in for-loop.
3414 (reorder_basic_blocks): Remove braces from single statement for-loops.
3415 * basic-block.h: Add declaration for create_basic_block.
3416 * Makefile.in: Add rules for bb-reorder.o.
3418 2000-03-16 Neil Booth <NeilB@earthling.net>
3420 * cppinit.c (handle_option): Implement #unassert directive
3421 as -A- command line option.
3422 (print_help): Update.
3423 * cpptexi.c: Update.
3425 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3427 * md.texi (Standard Names): Document `jump'.
3429 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3431 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3434 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3436 Merge changes from newppc-branch onto trunk.
3438 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3440 * rs6000.c (toc_hash_table): Update for new hash table functions.
3441 (toc_hash_function): Likewise.
3442 (toc_hash_eq): Likewise.
3443 (toc_hash_mark_entry): Likewise.
3444 (toc_hash_mark_table): Likewise.
3445 (output_toc): Likewise.
3446 (rs6000_add_gc_roots): Likewise.
3448 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3450 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3451 (AR_FLAGS_FOR_TARGET): here. New macro.
3453 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3455 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3456 fpmem_operand) Delete.
3458 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3459 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3460 (rs6000_save_machine_status, rs6000_restore_machine_status,
3461 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3462 references to above variables.
3463 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3464 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3465 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3466 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3467 (XER_REGNO_P, XER_REGNO): New.
3468 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3469 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3470 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3472 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3473 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3474 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3476 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3478 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3479 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3480 * rs6000.h: from here.
3482 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3483 (rs6000_select_rtx_section): Likewise.
3484 (rs6000_encode_section_info): Likewise.
3485 (sdata_section): Likewise.
3486 (sdata2_section): Likewise.
3487 (sbss_section): Likewise.
3488 * sysv4.h (rs6000_select_section): Delete prototype.
3489 (rs6000_select_rtx_section): Likewise.
3490 (rs6000_encode_section_info): Likewise.
3491 (sdata_section): Likewise.
3492 (sdata2_section): Likewise.
3493 (sbss_section): Likewise.
3494 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3496 * sysv4.h: Delete various unnecessary #undef's and put a comment
3497 on the remaining ones.
3498 Change various comments according to coding standard.
3500 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3502 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3503 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3504 (CR0_REGNO_P) Remove.
3505 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3506 setup_incoming_varargs, mtcrf_operation, print_operand,
3507 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3508 Use the above macros.
3510 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3512 * config/rs6000/rs6000.md: Added a new alternative for each
3513 pattern that had a 'x' alternative but no 'y' alternative.
3514 Added a new split for each of the above patterns.
3516 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3518 * aix41.h (ASM_CPU_SPEC): Delete.
3519 (CPP_CPU_SPEC): Delete.
3521 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3522 (ASM_OUTPUT_LABEL): Define.
3523 (ASM_GLOBALIZE_LABEL): Define.
3524 (STRIP_NAME_ENCODING): Define.
3525 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3526 (STRIP_NAME_ENCODING): Don't define.
3527 (ASM_OUTPUT_LABEL): Don't define.
3528 (ASM_GLOBALIZE_LABEL): Don't define.
3529 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3530 names, and ASM_OUTPUT_LABEL to output labels, rather than
3532 (ASM_OUTPUT_LABEL): Define.
3533 (ASM_OUTPUT_INT): Use assemble_name.
3534 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3535 (STRIP_NAME_ENCODING): Don't undefine first.
3536 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3538 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3539 specified with 'asm' even with -fleading-underscore.
3540 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3541 (output_epilog): Likewise.
3542 (output_toc): Likewise.
3543 * tramp.asm: Handle -fleading-underscore correctly.
3545 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3547 (nonlocal_goto_receiver): Delete.
3548 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3550 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3551 (SET_ASM_OP): Define.
3552 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3554 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3557 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3558 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3560 * rs6000.h: Add 'u' to more constants.
3562 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3564 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3566 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3568 * rs6000.c (reg_or_u_cint_operand): New function.
3569 (logical_operand): Handle 64-bit hosts.
3570 (logical_u_operand): New function.
3571 (non_logical_cint_operand): Handle 64-bit hosts.
3572 (non_logical_u_cint_operand): New function.
3573 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3574 (PREDICATE_CODES): Define new functions.
3575 * rs6000-protos.h: Declare new functions.
3576 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3577 (movdi_64): Bracket code intended for 64-bit hosts. Create
3578 CONST_DOUBLE for 32-bit values.
3579 (scc insns): Generate DImode compares.
3580 (mfcr insns): Create DImode versions.
3581 (sge matchers): New patterns.
3583 2000-02-15 Gabriel Paubert <paubert@iram.es>
3585 * rs6000.md: Correct instructions length attributes and
3586 constraints on unsigned compare instructions.
3587 (*ne0): Disable for PowerPC64.
3589 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3591 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3592 quantity, fix profile1.C test failure under -fPIC.
3594 * rs6000.c: Add 'u' to many constants to suppress warnings.
3595 (constant_pool_expr_1): Make static.
3596 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3597 * rs6000.h: Add 'u' to many constants to suppress warnings.
3599 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3600 for the start of the TOC, instead of LCTOC..0.
3601 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3603 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3604 (load_toc_aix_di): Use LCTOC..1.
3606 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3607 * rs6000.c (rs6000_legitimize_address): New function from
3608 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3609 symbols in the constant pool that really are TOC references.
3610 (print_operand_address): For ELF, write TOC offsets under
3611 -fPIC as subtractions in the insn.
3612 (output_toc): For ELF, define symbols in TOC as normal labels,
3614 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3615 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3616 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3617 * rs6000.md (movsi): Only use create_TOC_reference on
3618 symbols in the constant pool that really are TOC references.
3620 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3621 * rs6000.c (rs6000_reorg): Delete.
3622 * rs6000-protos.h (rs6000_reorg): Delete.
3624 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3626 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3628 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3629 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3630 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3631 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3632 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3633 rs6000_aix_emit_builtin_unwind_init.
3634 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3635 rs6000_emit_eh_toc_restore on AIX.
3636 (return_eh_si): Use r2.
3637 (return_eh_di): Use r2.
3639 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3640 since we're breaking binary compatibility anyway.
3642 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3644 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3645 constant_pool_expr_p): Declare them.
3646 (constant_pool_expr_p): Declare it.
3647 * config/rs6000/rs6000.c (toc_label_name): Define.
3648 (rs6000_override_options): Set toc_label_name.
3649 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3650 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3651 uses_TOC): New functions.
3652 (print_operand): Delete old '*' case.
3653 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3654 and strip off rtl for TOC before calling output_addr_const.
3655 (rs6000_emit_load_toc_table): Use toc_label_name.
3656 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3658 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3659 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3660 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3661 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3662 into explicit TOC_REGISTER offsets.
3663 (TOC_REGISTER): New macro.
3664 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3665 TARGET_TOC to reference TOC_REGISTER.
3666 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3667 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3668 uses_TOC before emitting label references.
3670 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3672 * rs6000.md (stack_tie): Fix warning.
3674 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3675 to handle -fleading-underscore.
3676 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3677 (USER_LABEL_PREFIX): New macro.
3678 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3679 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3680 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3681 call-linux can use the same multilibs.
3682 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3683 and call-linux multilibs. Do multilib with -fleading-underscore.
3684 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3685 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3688 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3689 have MASK_SOFT_FLOAT set.
3690 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3691 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3692 CPP_FLOAT_DEFAULT_SPEC.
3694 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3695 * rs6000.md: Whitespace change.
3696 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3697 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3699 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3701 * rs6000.md (eh_epilogue): New expander.
3702 (eh_reg_restore): New expand/split/insn combination.
3703 (return_eh_si): New insn.
3704 (return_eh_di): New insn.
3706 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3707 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3708 * eabi-ctors.c (__do_global_ctors): Register this object's
3709 frame. Clean up. Call atexit() after the constructors.
3710 (__do_global_dtors): Deregister this object's frame. Clean up.
3711 Allow for recursive calls to exit().
3712 * rs6000.c (fixuplabelno): New variable.
3713 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3714 TARGET_RELOCATABLE, it slows down exec() under linux.
3715 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3717 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3718 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3719 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3720 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3721 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3722 (ASM_OUTPUT_DWARF_ADDR): New macro.
3723 (ASM_OUTPUT_DWARF_DATA4): New macro.
3724 (ASM_OUTPUT_DWARF_DATA2): New macro.
3725 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3726 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3727 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3729 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3731 * rs6000.c (rs6000_sr_alias_set): New variable.
3732 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3733 (rs6000_emit_stack_tie): New function.
3734 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3735 in a way that dwarf2out can understand.
3736 (rs6000_frame_related): New function.
3737 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3738 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3739 Use rs6000_emit_stack_tie when needed.
3740 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3741 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3742 * rs6000.md (stack_tie): New insn.
3743 (return_internal_si): Allow return value to be in the count
3745 (return_internal_di): Likewise.
3747 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3749 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3751 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3753 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3755 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3757 * rs6000.md (stmw): Use the right POWER opcode.
3760 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3762 * rs6000-protos.h: New file.
3764 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3766 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3769 * sysv4.h: Likewise.
3771 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3773 * ../../configure.in: Delete powerpcle-*-winnt*
3774 and powerpcle-*-pe|powerpcle-*-cygwin*.
3775 * ../../configure: Regenerated.
3777 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3778 (TARGET_WINDOWS_NT): Delete.
3780 (CALL_NT_DLLIMPORT): Delete.
3781 Delete NT-specific code.
3782 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3785 * nt-ci.asm: Delete.
3786 * nt-cn.asm: Delete.
3787 * ntstack.asm: Delete.
3789 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3791 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3792 (ASM_FILE_START): Likewise.
3793 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3794 (ASM_OUTPUT_LABELREF): Likewise.
3795 (ASM_OUTPUT_SKIP): Likewise.
3796 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3797 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3798 (ASM_OUTPUT_CASE_LABEL): Likewise.
3799 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3800 (ASM_OUTPUT_ASCII): Likewise.
3802 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3804 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3805 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3806 increment rs6000_pic_labelno here.
3807 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3808 and increment rs6000_pic_labelno here.
3810 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3812 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3813 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3814 allocation knows (reg) is dead before the insn.
3816 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3818 * rs6000.md (movsi_to_cr): Correct typo in output template.
3820 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3822 * rs6000.c (rs6000_pic_labelno): Always define.
3823 (rs6000_pic_func_labelno): Delete.
3824 (lmw_operation): Check for a zero base register,
3825 which doesn't mean what we want.
3826 (stmw_operation): New function.
3827 (print_operand): Define new 'l' modifier.
3828 (rs6000_stack_info): We must save all 64 bits of the registers
3829 if TARGET_POWERPC64.
3830 (rs6000_output_load_toc_table): Delete.
3831 (rs6000_emit_load_toc_table): New function.
3832 (rs6000_allocate_stack_space): Delete.
3833 (rs6000_emit_allocate_stack): New function.
3834 (rs6000_emit_prologue): New function.
3835 (output_prolog): Use rs6000_emit_prologue.
3836 (rs6000_emit_epilogue): Change a few variable names to be
3837 more accurate. Restore all 64 bits of the registers if
3838 TARGET_POWERPC64. Only restore the FP registers which were used
3839 if they are being saved/restored one-at-a-time.
3840 (output_mi_thunk): Delete inefficient code generation.
3841 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3842 * rs6000.h: Declare rs6000_emit_load_toc_table,
3843 rs6000_allocate_stack_space, stmw_operation. Don't declare
3844 rs6000_output_load_toc_table.
3845 * rs6000.md (elf_high): Allow register 0, but discourage it
3847 (elf_low): Support loading into register 0.
3848 (load_toc_aix_si): New pattern.
3849 (load_toc_aix_di): New pattern.
3850 (load_toc_v4_pic_si): New pattern.
3851 (load_toc_v4_pic_di): New pattern.
3852 (load_toc_v4_PIC_1): New pattern.
3853 (load_toc_v4_PIC_1b): New pattern.
3854 (load_toc_v4_PIC_2): New pattern.
3855 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3856 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3857 (prologue): New expander.
3858 (movesi_from_cr): New pattern.
3859 (stmw): New pattern.
3860 (save_fpregs_si): New pattern.
3861 (save_fpregs_di): New pattern.
3863 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3865 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3870 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3872 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3874 (movsi_got_internal): Likewise.
3875 (movsi_got_internal+1): Likewise.
3876 (set_sp): 'unspec 7' does a SImode clobber.
3878 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3880 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3881 allocate a stack temporary.
3882 (floatsidf2_internal): Likewise.
3883 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3885 (floatunssidf2): Don't use the fpmem "register", just
3886 allocate a stack temporary.
3887 (floatunssidf2_internal): Likewise.
3888 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3890 (floatsidf2_loadaddr): Delete.
3891 (floatsidf2_store1): Delete.
3892 (floatsidf2_store2): Delete.
3893 (floatsidf2_load): Delete.
3894 (fix_truncdfsi2): Don't use the fpmem "register", just
3895 allocate a stack temporary.
3896 (fix_truncdfsi2_internal_si): Delete.
3897 (fix_truncdfsi2_internal_di): Delete.
3898 (fix_truncdfsi2_internal): New insn.
3899 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3900 (fix_truncdfsi2_store): Delete.
3901 (fix_truncdfsi2_load): Delete.
3902 (fctiwz): Produce gen_fctiwz.
3904 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3906 * eabi.h (INVOKE__main): Define.
3907 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3909 (rs6000_emit_prologue): Likewise.
3910 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3911 this is the main program.
3913 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3915 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3917 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3919 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3920 goes after the argument.
3922 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3924 * rs6000.md: Document 'unspec' values used.
3925 (epilogue): New expander.
3926 (movesi_to_cr_one): New expander.
3927 (movesi_to_cr and following): New pattern.
3929 (return_internal_si): New pattern.
3930 (return_internal_di): New pattern.
3931 (return_and_restore_fpregs_si): New pattern.
3932 (return_and_restore_fpregs_di): New pattern.
3933 * rs6000.h: Declare new functions.
3934 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3935 rather than rs6000_calls_p.
3936 (rs6000_makes_calls): Delete.
3937 (lmw_operation): New function.
3938 (mtcrf_operation): New function.
3939 (rs6000_emit_epilogue): New function.
3940 (output_epilog): Call rs6000_emit_epilogue and final if
3941 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3943 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3945 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3946 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3947 * aix.h (SUBTARGET_SWITCHES): Document switches.
3948 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3949 sched-prolog and sched-epilog the same. Document all the
3951 (TARGET_OPTIONS): No longer allow -mdebug-.
3953 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3955 * rs6000.h (ASM_FILE_END): Move to aix.h.
3956 (EXTRA_SECTIONS): Move to aix.h.
3957 (READONLY_DATA_SECTION): Move to aix.h.
3958 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3959 (SELECT_SECTION): Move to aix.h.
3960 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3961 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3962 (LINK_REGISTER_REGNUM): New definition.
3963 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3964 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3966 * sysv4.h: Delete the code between the inclusion of rs6000.h
3968 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
3969 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
3970 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
3971 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
3972 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
3973 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
3974 (fix_truncdfsi2_internal_di): New pattern.
3975 (fix_truncdfsi2_store): The second arg here is Pmode too.
3976 (fix_truncdfsi2_load): The second arg here is Pmode too.
3977 (tablejumpdi): Now that switch tables hold only SImode values,
3978 gcc needs to know how to add them to the pc which is DImode.
3979 * rs6000.c (rs6000_stack_info): Use symbolic name for
3980 LINK_REGISTER_REGNUM.
3981 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
3982 (output_toc): Delete unused variables s1 and s2.
3983 (output_ascii): Use fputs not fprintf on a variable string.
3985 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3987 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3988 * aix43.h: Revert Aug 2 change.
3989 (HAS_INIT_SECTION): Define, not visible yet.
3990 (LD_INIT_SWITCH): Define, not visible yet.
3991 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3993 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3995 * config/rs6000/rtems.h: Include config/rtems.h.
3997 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3999 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4000 (SLOW_UNALIGNED_ACCESS): Define.
4001 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4002 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4003 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4004 (toc_section): Likewise and .toc pseudo-op.
4005 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4007 (TEXT_SECTION_ASM_OP): Likewise.
4008 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4011 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4013 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
4014 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4017 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4019 * rs6000.h: Move more stuff from here...
4021 * sysv4.h: Cleanup accordingly.
4022 * netware.h: Likewise
4024 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4026 * rs6000.h: Continue cleanup.
4029 * netware.h: Likewise.
4031 * sysv4.h: Likewise.
4032 * win-nt.h: Likewise.
4034 * rs6000.h (TARGET_SWITCHES): Add descriptions.
4035 (TARGET_OPTIONS): Likewise.
4037 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
4038 (SUBTARGET_OPTIONS): Likewise.
4040 * rs6000.md: Fix compile time warnings.
4042 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4044 vxworks patches from the Cygnus tree originally by
4045 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
4046 <vmakarov@cygnus.com>.
4047 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
4048 (ENDFILE_SPEC): Likewise.
4049 (LIB_VXWORKS_SPEC): New macro.
4050 (STARTFILE_VXWORKS_SPEC): New macro.
4051 (ENDFILE_VXWORKS_SPEC): New macro.
4052 (LINK_START_VXWORKS_SPEC): New macro.
4053 (LINK_OS_VXWORKS_SPEC): New macro.
4054 (CPP_OS_VXWORKS_SPEC): New macro.
4055 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
4056 * vxppc.h: Rewrite to use proper configuration method.
4057 * vxppcle.h: New file.
4058 * ../../configure.in: Add powerpcle-wrs-vxworks*.
4059 * ../../configure: Rebuilt.
4061 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4063 Lots of changes to rs6000.h, sysv4.h, aix.h,
4064 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
4065 with the aim that rs6000.h is the first header
4066 included and the others override it.
4069 * x-aix41-gld: Remove.
4071 * x-aix41: Remove target-specific switches, and don't specify
4072 -Wl,-bbigtoc as we don't need it any more.
4073 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
4074 Use t-aix43 for AIX 4.3 and above.
4075 * ../../configure: Regenerated.
4077 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
4078 options, that don't do anything yet.
4079 (MASK_SCHED_PROLOG): New macro.
4080 (MASK_SCHED_EPILOG): New macro.
4081 (TARGET_SCHED_PROLOG): New macro.
4082 (TARGET_SCHED_EPILOG): New macro.
4084 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4086 * rs6000.c: Correct comment, the `minimal' TOCs are actually
4087 one per translation unit, not one per function.
4088 (output_toc): Also do duplicate constant elimination
4089 for per-translation-unit TOCs.
4091 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
4092 a comment explaining _exactly_ when this pattern gets used.
4093 (builtin_setjmp_receiver): New pattern for better clarity.
4094 (init_v4_pic): Move it into a section dealing with TOC registers.
4096 1999-12-30 Geoff Keating <geoffk@cygnus.com>
4098 * rs6000.c (toc_hash_table): New variable.
4099 (rs6000_hash_constant): New function.
4100 (toc_hash_function): New function.
4101 (toc_hash_eq): New function.
4102 (toc_hash_mark_entry): New function.
4103 (toc_hash_mark_table): New function.
4104 (output_toc): Don't output duplicate TOC entries in
4106 (rs6000_add_gc_roots): Add the hash table as a GC root.
4107 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
4108 where they clearly shouldn't be. This may need to be fixed
4109 later when there is a GNU ar for AIX.
4110 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
4111 Don't define BOOT_LDFLAGS as it is now not necessary.
4113 1999-12-29 Geoff Keating <geoffk@cygnus.com>
4115 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
4116 for va_list on AIX. Use unsigned_char_type_node rather than
4117 constructing our own version on svr4.
4119 1999-12-17 Geoff Keating <geoffk@cygnus.com>
4121 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
4122 since patently it's not.
4124 1999-12-08 Geoff Keating <geoffk@cygnus.com>
4126 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
4127 define_expand/define_insn pair, and handle restore of the
4128 SVR4 -fpic register.
4130 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
4132 * acconfig.h (HAVE_GAS_WEAK): New define.
4133 * configure.in (assembler weak support): Check for .weak support.
4134 * config.in, configure: Rebuilt.
4135 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
4136 HAVE_GAS_WEAK is defined.
4138 2000-03-15 Nick Clifton <nickc@cygnus.com>
4140 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
4143 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
4145 * cppfiles.c (open_include_file): New function.
4146 (find_include_file, cpp_read_file): Use it.
4148 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4150 * cpphash.c (dump_hash_helper): Take the slot, not the element.
4152 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
4154 * flow.c (verify_flow_info): Check for unconditional return.
4156 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
4158 * config/ia64/ia64.md (restore_stack_nonlocal): New.
4159 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
4160 (__ia64_restore_stack_nonlocal): New.
4161 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
4163 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4165 * cpphash.c (collect_formal_parameters): Do not complain about
4166 parameter names that just start with `__VA_ARGS__'.
4168 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
4170 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
4171 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
4172 * i386.c (pentiumpro_cost): Set mul cost to 4.
4173 (x86_use_movx): Set for PPro.
4175 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
4177 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
4178 STACK_BOUNDARY for empty frames now.
4180 2000-03-14 Mark Mitchell <mark@codesourcery.com>
4182 * stor-layout.c (layout_union): Remove.
4183 (layout_union_field): New function, split out from layout_union.
4184 (finish_union_layout): Likewise.
4185 (layout_field): Handle unions by calling layout_union_field.
4186 (finish_record_layout): Handle unions.
4187 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
4188 QUAL_UNION_TYPE handling.
4190 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
4192 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
4193 end of basic block is jump_insn, not barrier; use create_basic_block
4194 instead of creating basic block by hand.
4196 2000-03-14 Jason Eckhardt <jle@cygnus.com>
4198 * flow.c (reorder_basic_blocks): Account for barriers when writing
4199 over NEXT_INSN (last_bb->end).
4200 (verify_flow_info): Add check for missing barriers.
4202 2000-03-14 Greg McGary <gkm@gnu.org>
4204 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
4205 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
4206 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
4207 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
4208 __unbounded, __unbounded__): New keywords.
4209 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
4210 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
4211 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
4213 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
4215 * cselib.h: New file.
4216 * alias.c: Include "cselib.h".
4217 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
4218 MEMs as two new arguments.
4219 (get_addr): New static function.
4220 (find_base_term): Handle VALUEs.
4221 (memrefs_conflict_p): Likewise.
4222 (true_dependence): Call get_addr on the addresses.
4223 Call fixed_scalar_and_varying_struct_p with addresses that have been
4224 passed through get_addr and canon_rtx.
4225 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
4226 with true_dependence.
4227 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
4228 * loop.c: Include "cselib.h".
4229 (load_mems): Process extended basic block that enters the loop with
4230 cselib. Use that information to change initialization of the shadow
4231 register so that a constant equivalence is seen by later passes.
4232 * reload1.c: Include "cselib.h".
4233 (reload_cse_invalidate_regno): Delete function.
4234 (reload_cse_mem_conflict_p): Likewise.
4235 (reload_cse_invalidate_mem): Likewise.
4236 (reload_cse_invalidate_rtx): Likewise.
4237 (reload_cse_regno_equal_p): Likewise.
4238 (reload_cse_check_clobber): Likewise.
4239 (reload_cse_record_set): Likewise.
4240 (reg_values): Delete static variable.
4241 (invalidate_regno_rtx): Likewise.
4242 (reload_cse_delete_noop_set): New static function.
4243 (reload_cse_simplify): New static function, broken out of
4245 (reload_cse_noop_set_p): Delete unused argument INSN.
4246 Just call rtx_equal_for_cselib_p on set source and destination.
4247 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4248 reload_cse_delete_noop_set. Delete code to keep track of values; use
4249 cselib functions instead. Delete code to push/pop obstacks.
4250 (reload_cse_simplify_set): Use cselib to find equivalent values.
4251 Delete code to push/pop obstacks.
4252 (reload_cse_simplify_operands): Likewise.
4253 * rtl.def (VALUE): New rtx code.
4254 * rtl.h (union rtunion_def): New elt rt_cselib.
4255 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4256 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4257 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4258 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4259 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4260 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4261 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4262 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4263 cselib_record_set, cselib_record_sets): New static functions.
4264 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4265 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4266 references_value_p): New functions.
4267 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4268 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4269 n_useless_values, reg_values, callmem, cselib_obstack,
4270 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4271 New static variables.
4272 * varray.h (union varray_data_tag): New elt te.
4273 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4274 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4277 2000-03-14 Nick Clifton <nickc@cygnus.com>
4279 * gcc.c (do_spec_1): Catch the case where %* is used in a
4280 substitution pattern, but it has not been initialised.
4281 Issue a meaningful error message if an unrecognised operator
4282 is encountered in a spec string.
4284 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4286 * function.c (prepare_function_start): Correctly initialize
4287 cfun->stack_alignment_needed.
4289 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4291 * cppfiles.c (find_include_file): Don't assume nshort is a
4294 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4296 * configure.in (hppa configurations): Add pa32-regs.h to the
4297 list of tm files as appropriate.
4298 * configure: Rebuilt.
4299 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4301 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4302 (fmpyaddoperands, fmpysuboperands): Likewise.
4303 * pa.h: Remove various definitions which depend on knowing
4304 how registers are numbered.
4305 * pa32-regs.h: New file with PA32 register numbering specific
4308 2000-03-14 Richard Henderson <rth@cygnus.com>
4310 * regmove.c (combine_stack_adjustments): New.
4311 (stack_memref_p, single_set_for_csa): New.
4312 (free_csa_memlist, record_one_stack_memref): New.
4313 (try_apply_stack_adjustment): New.
4314 (combine_stack_adjustments_for_block): New.
4315 * rtl.h (combine_stack_adjustments): Declare.
4316 * toplev.c (rest_of_compilation): Call it.
4318 * i386.md: Revert 2000-01-16 change.
4320 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4322 * gccbug.in: Add web category, gcc specific classes.
4324 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4326 * stor-layout.c (finalize_record_size): Fix typo.
4328 2000-03-14 Stan Shebs <shebs@apple.com>
4330 * c-typeck.c (c_alignof): Error on incomplete types.
4331 * extend.texi (Alignment): Document this.
4333 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4335 * cppfiles.c: Include mkdeps.h.
4336 (find_include_file, read_include_file): Remove _cpp_ prefix
4337 from name, make static.
4338 (_cpp_execute_include): New function, broken out of
4341 * cpplib.c: Don't include mkdeps.h.
4342 (struct directive): Remove type field. Reorder entries. The
4343 function takes only one argument.
4344 (struct if_stack): Make type field an int.
4345 (directive_table): Rename to dtable. Generate it, the
4346 prototypes of the directive handlers, and the enum for the
4347 directive numbers, from a template macro.
4348 (do_ifndef, do_include_next, do_import): New functions.
4349 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4350 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4351 do_ident, do_assert, do_unassert, do_sccs): Take only one
4353 (do_sccs): Define always, but alter behavior based on
4355 (_cpp_handle_directive, consider_directive_while_skipping):
4356 Restructure for new directive table layout.
4358 (pass_thru_directive): Take a directive number, not a pointer
4359 to a struct directive.
4360 (parse_include): New function, broken out of do_include.
4361 (do_include, do_import, do_include_next): Use parse_include
4362 and _cpp_execute_include.
4363 (do_elif, do_else): Test for T_ELSE specifically when checking
4364 for #elif/#else after #else.
4365 (parse_ifdef): New function, broken out of do_ifdef.
4366 (validate_else): Expect a name arg without a leading #.
4367 (if_directive_name): Delete.
4368 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4369 directive handlers with only one argument.
4371 * cpphash.h: Update prototypes.
4372 (enum node_type): Remove entries for directives.
4373 * Makefile.in: Update dependencies.
4375 * cpphash.c (dump_hash_helper): Only dump nodes of type
4376 T_MACRO. Emit a newline after each definition.
4378 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4380 * gccbug.in: New file.
4381 * configure.in (all_outputs): Add gccbug.
4382 * Makefile.in (install-common): Install gccbug.
4383 (GCCBUG_INSTALL_NAME): New variable.
4384 * configure: Rebuilt.
4386 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4388 * function.c (put_var_into_stack): Use type_for_mode to calculate
4389 part_type. Use MEM_SET_IN_STRUCT_P.
4390 * expr.c (store_field): Handle CONCAT.
4391 (store_constructor): Use fields_length.
4392 * tree.c (fields_length): New fn.
4393 * tree.h: Declare it.
4395 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4397 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4398 (cpplex.o): New target.
4399 * po/POTFILES.in: Add cpplex.c.
4401 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4402 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4403 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4404 skip_block_comment, skip_line_comment, skip_comment,
4405 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4406 _cpp_parse_name, skip_string, parse_string,
4407 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4408 _cpp_get_directive_token, find_position,
4409 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4410 (maybe_macroexpand, _cpp_lex_token): New functions.
4412 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4413 parse_goto_mark): Delete.
4414 (_cpp_handle_eof): New function.
4415 (_cpp_handle_directive): Rename from handle_directive.
4416 (_cpp_output_line_command): Rename from output_line_command.
4417 (do_if, do_elif): Call _cpp_parse_expr directly.
4418 * cppfiles.c (_cpp_read_include_file): Don't call
4419 init_input_buffer here.
4420 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4421 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4422 here; pop the token_buffer and skip the rest of the line here.
4423 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4426 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4428 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4429 CPP_GOTO_MARK): New macros.
4430 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4431 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4432 _cpp_read_and_prescan, _cpp_init_input_buffer,
4433 _cpp_grow_token_buffer, _cpp_get_directive_token,
4434 _cpp_handle_directive, _cpp_handle_eof,
4435 _cpp_output_line_command): Prototype them here.
4436 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4437 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4438 quote_string, output_line_command): Remove.
4440 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4442 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4443 whether it is too large we must also verify that it isn't negative.
4445 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4447 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4448 (movsi_zero_liveg0): Remove.
4449 (movsf_insn_novis_liveg0): Remove.
4451 (negsi2_not_liveg0): Rename to negsi2.
4452 (one_cmplsi2): Remove.
4453 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4454 (one_cmplsi2_liveg0): Remove.
4455 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4456 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4457 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4458 (PREDICATE_CODES): Remove zero_operand.
4459 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4460 TARGET_BROKEN_SAVERESTORE.
4461 (zero_operand): Remove.
4462 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4463 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4465 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4466 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4467 TARGET_BROKEN_SAVERESTORE): Remove.
4468 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4470 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4472 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4475 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4477 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4479 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4480 truncating a string. Don't assume tokens are nul terminated.
4481 Problem noted by Andreas Jaeger <aj@suse.de>
4483 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4485 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4486 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4487 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4489 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4491 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4492 STRUCTURE_SIZE_BOUNDARY.
4494 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4496 * tree.h (record_layout_info_s): New structure.
4497 (record_layout_info): New type.
4498 (new_record_layout_info): New function.
4499 (layout_field): Likewise.
4500 (finish_record_layout): Likewise.
4501 * stor-layout.c (layout_record): Remove.
4502 (new_record_layout_info): New function.
4503 (layout_field): New function, broken out from layout_record.
4504 (finalize_record_size): Likewise.
4505 (compute_record_mode): Likewise.
4506 (finalize_type_size): New function, broken out from layout_type.
4507 (finish_record_layout): Likewise.
4508 (layout_type): Use them.
4510 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4512 * cpphash.c: Don't include version.h.
4513 (special_symbol) [case T_VERSION]: Look for the string in
4514 hp->value.cpval; don't use version_string.
4515 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4516 __VERSION__ to version_string.
4517 * Makefile.in (cpphash.o): Update deps.
4519 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4521 Convert cpplib to use libiberty/hashtab.c.
4523 * cpplib.h (struct cpp_reader): Make hashtab and
4524 all_include_files of type 'struct htab *'. Delete HASHSIZE
4525 and ALL_INCLUDE_HASHSIZE macros.
4527 * cpphash.h: Update prototypes.
4528 (struct hashnode): Remove next, prev, and bucket_hdr members.
4529 Make length a size_t. Add hash member.
4530 (struct ihash): Remove next member. Add hash member. Make
4531 name a flexible array member.
4533 * cppfiles.c: Include hashtab.h.
4534 (include_hash): Delete.
4535 (IHASHSIZE): New macro.
4536 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4537 (cpp_included): Do the hash lookup here.
4538 (_cpp_find_include_file): Rewrite.
4539 (cpp_read_file): Put the "fake" hash entry into the hash
4540 table. Honor the control_macro, if it turns out we've seen
4541 the file before. Don't push the buffer here.
4542 (_cpp_read_include_file): Push the buffer here.
4543 (OMODES): New macro. Use it whenever we call open(2).
4545 * cpphash.c: Include hashtab.h.
4546 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4547 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4548 _cpp_lookup_slot): New functions.
4549 (HASHSIZE): new macro.
4550 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4551 (_cpp_lookup): Use hashtab.h routines.
4553 * cppinit.c: Include hashtab.h.
4554 (cpp_reader_init): Call _cpp_init_macro_hash and
4555 _cpp_init_include_hash. Don't allocate hashtab directly.
4556 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4557 pfile->all_include_files.
4558 (initialize_builtins): Use _cpp_make_hashnode and
4559 htab_find_slot to add hash entries.
4560 (cpp_finish): Just call _cpp_dump_macro_hash.
4561 * cpplib.c: Include hashtab.h.
4562 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4563 create hash entries.
4564 (do_pragma_poison, do_assert): Likewise.
4565 (do_include): Don't push the buffer here. Don't increment
4566 system_include_depth unless _cpp_read_include_file succeeds.
4567 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4569 (do_pragma_implementation): Use alloca to create copy.
4571 * Makefile.in: Update dependencies.
4573 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4575 * cppinit.c (cl_directive_handler): More K&R fixing.
4577 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4579 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4581 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4583 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4585 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4586 Change from char[] to macros.
4588 2000-03-12 Neil Booth <NeilB@earthling.net>
4590 * cppinit.c (cpp_start_read): Update indirect function
4593 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4595 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4598 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4599 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4601 2000-03-11 Neil Booth <NeilB@earthling.net>
4603 * cppinit.c (struct pending option): Replace undef with a
4604 pointer to a directive handling routine.
4605 (struct cpp_pending): Replace separate assert_ and define_
4606 lists with one directive_ list.
4607 (new_pending_define): Rename new_pending_directive. Extra
4608 argument is the directive's handling routine.
4609 (handle_option): Update to use new_pending_directive.
4611 2000-03-11 Neil Booth <NeilB@earthling.net>
4613 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4614 remap_filename, _cpp_read_include_file, actual_directory,
4615 hack_vms_include_specification): Replace bcopy(), index() etc
4616 calls. Add casts to some allocations. Make some variables
4617 pointers to const [unsigned] char.
4618 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4619 collect_formal_parameters): Similarly.
4620 * cppinit.c (struct pending_option, append_include_chain,
4621 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4622 cpp_start_read, new_pending_define, handle_option): Similarly.
4623 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4624 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4625 do_pragma_implementation, detect_if_not_defined,
4626 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4627 do_assert, do_unassert): Similarly.
4628 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4629 function prototypes.
4630 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4632 2000-03-10 Richard Henderson <rth@cygnus.com>
4634 * builtins.c (expand_builtin_strlen): Revert last change.
4635 Use emit_insn_before if we're at the beginning of a sequence.
4637 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4639 * builtins.c (expand_builtin_strlen): Make sure that we have something
4640 at the beginning of the sequence.
4642 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4645 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4647 2000-03-10 Richard Henderson <rth@cygnus.com>
4649 * except.c (can_throw): Use INTVAL on a CONST_INT.
4650 (reachable_handlers): Likewise.
4651 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4653 2000-03-10 Andreas Jaeger <aj@suse.de>
4655 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4656 MD_STARTFILE_PREFIX since those are not needed on linux.
4657 (ASM_FILE_START): New, from mips/gnu.h.
4659 2000-03-09 Richard Henderson <rth@cygnus.com>
4660 Alex Samuel <samuel@codesourcery.com> and others
4662 * Makefile.in (ssa.o): New rule.
4664 (STAGESTUFF): Add *.ssa and *.ussa.
4665 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4666 * rtl.def (PHI): New RTL expression.
4667 * rtl.h (clear_log_links): New declaration.
4668 (convert_to_ssa): Likewise.
4669 (convert_from_ssa): Likewise.
4670 * flow.c (split_edge): If the entry node falls through to the
4671 split edge's source block, split the entry edge.
4672 (clear_log_links): New function.
4673 * toplev.c (ssa_dump): New variable.
4674 (flag_ssa): Likewise.
4675 (f_options): Add "ssa".
4676 (compile_file): Create SSA dump files.
4677 (rest_of_compilation): Go to and from SSA if enabled.
4678 (decide_d_option): Handle -de for SSA dump files.
4681 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4683 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4686 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4688 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4690 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4692 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4693 (MD_STARTFILE_PREFIX_1): New macro.
4695 2000-03-09 Robert Lipe <robertl@sco.com>
4697 * config/ia64/ia64.c: Include system.h.
4699 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4701 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4702 (init_eh_nesting_info): Likewise.
4704 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4705 (TREE_NOTHROW): Rename from TREE_RAISES.
4706 * toplev.c (rest_of_compilation): Set it.
4707 * print-tree.c (print_node): Adjust.
4708 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4709 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4710 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4711 REG_EH_REGION note as appropriate.
4712 (libfunc_nothrow): New fn.
4713 (emit_library_call, emit_library_call_value): Use it.
4714 (expand_call): Check TREE_NOTHROW.
4716 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4717 DECL_ASSEMBLER_NAME.
4719 2000-03-09 Andreas Jaeger <aj@suse.de>
4721 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4722 (TARGET_MEM_FUNCTIONS): Define.
4724 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4726 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4728 * except.c (can_throw): See through a SEQUENCE.
4729 (nothrow_function_p): New fn.
4730 * except.h: Declare it.
4731 * function.c (current_function_nothrow): New var.
4732 (prepare_function_start): Initialize it.
4733 * output.h: Declare it.
4734 * toplev.c (rest_of_compilation): Set it.
4735 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4737 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4739 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4740 match. (cpp_compare_defs): Count the nul separator when
4741 advancing over argument names.
4743 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4745 * recog.c (preprocess_constraints): Matching constraints affect
4746 same alternative/different operand, not same operand/different
4749 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4750 register and a constant specially.
4752 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4754 * libgcc2.h: New file.
4755 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4757 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4759 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4760 * configure: Regenerate.
4763 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4765 * Makefile.in (LIBCPP_DEPS): New macro.
4766 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4768 * cpperror.c: Include cpphash.h.
4769 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4771 (lex): Don't use CPP_WARN_UNDEF.
4772 (_cpp_parse_expr): Return an int, the truth value.
4773 * cppfiles.c: Include cpphash.h.
4774 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4775 * cppinit.c (include_defaults_array): Disentangle.
4776 (cpp_cleanup): Don't free the if stack here.
4777 (cpp_finish): Pop off all buffers, not just one.
4778 * cpplib.c (eval_if_expr): Return int.
4779 (do_xifdef): Rename do_ifdef.
4780 (handle_directive): Don't use CPP_PREPROCESSED.
4781 (cpp_get_token): Don't use CPP_C89.
4782 * fix-header.c: Don't use CPP_OPTIONS.
4784 * cpplib.h: Move U_CHAR, enum node_type, struct
4785 file_name_list, struct ihash, is_idchar, is_idstart,
4786 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4787 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4788 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4789 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4790 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4791 of _cpp_simplify_pathname, _cpp_find_include_file,
4792 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4793 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4795 Change all uses of U_CHAR to be unsigned char instead.
4796 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4798 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4800 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4801 (dwarf2out_begin_prologue): Set it.
4802 (output_call_frame_info): Don't emit EH unwind info for leaves.
4804 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4805 can occur outside of an EH region.
4806 * except.c: Correct comments about rethrow behavior.
4807 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4809 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4811 * flow.c (make_edges): Always call make_eh_edge for calls.
4813 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4815 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4816 (struct cpp_buffer): Remove fname and underflow fields.
4817 (struct cpp_reader): Remove get_token field.
4818 (struct include_hash): Rename to struct ihash. Add typedef to
4820 (struct if_stack): Remove fname field.
4821 (IF_STACK_FRAME): Rename to IF_STACK.
4823 * cpperror.c (print_containing_files): Trust that there are no
4824 macro buffers below the top file buffer.
4825 * cppfiles.c: Replace all references to 'struct include_hash'
4826 with 'IHASH'. Rename initialize_input_buffer to
4827 init_input_buffer. Don't set or reference cpp_buffer->fname,
4828 use buffer->ihash->name instead.
4829 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4830 not CPP_NULL_BUFFER.
4831 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4832 IF_STACK_FRAME, IHASH not struct include_hash.
4833 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4834 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4835 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4836 references to cpp_buffer->fname (delete entirely, or use
4837 ->ihash->name instead) and IF_STACK->fname.
4838 (cpp_push_buffer): Don't set new->underflow.
4839 (do_include): Use cpp_file_buffer.
4841 * cpphash.c (collect_formal_parameters): Remove duplicate
4842 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4843 used as a macro argument name. Don't append "..." to namebuf
4844 for varargs macros. After we're done scanning, go through
4845 namebuf and make it NUL separated, not comma separated.
4846 (_cpp_compare_defs): Remove register tag from variables.
4847 Expect defn->argnames to be NUL separated.
4848 (_cpp_dump_definition): Expect defn->argnames to be NUL
4849 separated and in forward order.
4850 * cpphash.h: Update documentation of argnames field.
4852 2000-03-08 Richard Henderson <rth@cygnus.com>
4854 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4855 to fail. Don't pre-expand the source operand.
4857 * i386.md (strlensi): Initialize eoschar and align before use.
4859 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4861 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4862 CONSTRUCTOR element.
4864 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4866 * mips.c (mips_expand_prologue): If the last
4867 named argument is the vararg marker "va_list", treat it as
4868 an unnamed argument.
4870 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4872 * dbxout.c (dbxout_parms): When correcting for promoted
4873 big-endian parameters, use the mode of the DECL_RTL rather
4874 than UNITS_PER_WORD.
4876 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4878 * c-common.h (make_fname_decl): Declare.
4879 * c-common.c (make_fname_decl): Define.
4880 (declare_hidden_char_array): Remove.
4881 (declare_function_name): Use make_fname_decl.
4882 * c-decl.c (c_make_fname_decl): New function.
4883 (init_decl_processing): Set make_fname_decl.
4885 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4887 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4889 2000-03-07 Philipp Thomas <pthomas@suse.de>
4891 * po/POTFILES.in: Remove cppalloc.c from file list.
4893 2000-03-07 Steve Chamberlain <sac@pobox.com>
4895 * pj.c (pj_expand_prologue): current_function->args_info is
4896 now current_function_args_info.
4898 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4899 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4900 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4902 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4904 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4905 output as hexadecimal rather than the default octal.
4907 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4909 * cpphash.c (special_symbol): Fix thinko in previous commit.
4911 2000-03-07 Neil Booth <NeilB@earthling.net>
4913 * cppexp.c (struct operation, left_shift, right_shift,
4914 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4915 "int"s to "unsigned int"s.
4916 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4918 * cpplib.h: Update for above.
4919 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4920 returned from allocations.
4922 * cppinit.c (opt_comp, parse_options): New functions.
4923 (handle_option): Use parse_option to parse a single command
4924 line option, that possibly takes an argument.
4925 (cpp_handle_options): Sort the array of command line options on
4926 first invocation (non-ASCII hosts only).
4927 (print_help): Update.
4929 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4931 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4932 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4934 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4936 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4938 * cpperror.c (cpp_print_containing_files,
4939 cpp_print_file_and_line, v_cpp_message): Rename to
4940 print_containing_files, print_file_and_line, and v_message.
4941 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4942 to _cpp_parse_expr, parse_escape, and lex.
4943 (parse_charconst): Remove broken multibyte support.
4944 * cppfiles.c (include_hash): Make static.
4945 (cpp_included): New function.
4946 (merge_include_chains, find_include_file, finclude,
4947 simplify_pathname): Rename to _cpp_merge_include_chains,
4948 _cpp_find_include_file, _cpp_read_include_file, and
4949 _cpp_simplify_pathname.
4950 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4951 cpp_install, create_definition, macroexpand, compare_defs,
4952 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4953 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4954 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4955 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4957 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4959 * cpphash.h: Update prototypes.
4960 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4962 2000-03-07 Andrew Haley <aph@cygnus.com>
4964 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4965 PTRDIFF_TYPE should be based solely on Pmode.
4968 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4970 * rtl.h (rtunion_def): Constify member `rtstr'.
4971 (emit_line_note_after, emit_line_note, emit_line_note_force,
4972 emit_note, decode_asm_operands): Constify.
4974 * cse.c (canon_hash): Likewise.
4976 * dbxout.c (dbxout_block): Likewise.
4978 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
4979 v_warning_for_asm): Likewise.
4981 * dwarfout.c (function_start_label): Likewise.
4983 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
4984 emit_line_note_force): Likewise.
4986 * final.c (last_filename, asm_insn_count, final_scan_insn,
4987 output_source_line): Likewise.
4989 * function.h (struct emit_status): Likewise.
4991 * gcse.c (hash_expr_1): Likewise.
4993 * genattr.c (gen_attr, main): Likewise.
4995 * genattrtab.c (struct function_unit, current_alternative_string,
4996 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
4997 attr_numeral, check_attr_test, check_attr_value,
4998 convert_set_attr_alternative, convert_set_attr,
4999 compute_alternative_mask, simplify_by_exploding, gen_attr,
5000 gen_unit): Likewise.
5002 * genflags.c (gen_insn): Likewise.
5004 * gengenrtl.c (type_from_format): Likewise.
5006 * genopinit.c (gen_insn): Likewise.
5008 * genoutput.c (n_occurrences, process_template, process_template):
5011 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5014 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5017 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
5018 ggc_set_mark, ggc_get_size): Likewise.
5020 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
5022 * optabs.c (init_one_libfunc): Likewise.
5024 * output.h (assemble_start_function): Likewise.
5026 * recog.c (decode_asm_operands): Likewise.
5028 * toplev.c (rest_of_compilation): Likewise.
5030 * tree.h (emit_line_note_after, emit_line_note,
5031 emit_line_note_force): Likewise.
5033 * varasm.c (asm_output_bss, asm_output_aligned_bss,
5034 asm_emit_uninitialised, assemble_start_function,
5035 assemble_variable, const_hash, compare_constant_1,
5036 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
5038 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
5040 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
5042 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
5044 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
5046 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
5047 arm_dllimport_name_p): Likewise.
5049 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
5052 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
5054 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5056 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
5057 arm_mark_dllexport, arm_mark_dllimport,
5058 arm_pe_encode_section_info): Likewise.
5060 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
5061 ASM_FINISH_DECLARE_OBJECT): Likewise.
5063 * arm/thumb.c (thumb_function_prologue): Likewise.
5065 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
5067 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5069 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
5071 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
5073 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
5075 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5077 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
5078 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
5080 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
5082 * i386/i386.c (asm_output_function_prefix): Likewise.
5084 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
5086 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5088 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
5090 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
5091 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
5092 ASM_OUTPUT_SECTION_NAME): Likewise.
5094 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
5096 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
5098 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
5100 * m32r/m32r.c (m32r_encode_section_info): Likewise.
5102 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5104 * mcore/mcore.c (mcore_encode_section_info): Likewise.
5106 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5108 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5110 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5112 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
5114 * mips/mips.md (movdi, movsi): Likewise.
5116 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5118 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5120 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5122 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
5123 ASM_OUTPUT_ASCII): Likewise.
5125 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
5126 output_mi_thunk, output_toc): Likewise.
5128 * rs6000/rs6000.md (movsi): Likewise.
5130 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
5132 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
5134 * v850/v850.c (print_operand, print_operand_address,
5135 v850_encode_data_area): Likewise.
5137 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
5139 * config/mips/mips.md (zero_extendsidi2): Always force operand
5140 one to memory for mips16.
5142 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5144 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
5145 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
5146 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
5147 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
5148 (min_precision): Result is unsigned.
5149 (add_double, neg_double, mul_double): Low word is unsigned.
5150 (lshift_double, rshift_double, lrotate_double): Likewise.
5151 (rrotate_double, div_and_round_double): Likewise.
5152 (tree_floor_log2, compare_tree_int): New functions.
5153 (preserve_rtl_expr_temps): New declaration.
5154 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
5155 (decl_attributes): Use tree_log2 to find alignment.
5156 Check for TREE_INT_CST_HIGH for format args.
5157 (min_precision): Now unsigned.
5158 Use tree_floor_log2.
5159 (truthvalue_conversion): Delete long-disabled code.
5160 * c-decl.c (finish_struct): Clean up tests on field width.
5161 (finish_function): Use compare_tree_int.
5162 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
5163 * c-typeck.c (comptypes): Use tree_int_cst_equal.
5164 (default_conversion, digest_init): Use compare_tree_int.
5165 (build_binary_op): Use integer_all_onesp and compare_tree_int.
5166 Fix type errors in forming masks.
5167 * calls.c (initialize_argument_information): Use compare_tree_int.
5168 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5169 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
5170 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
5171 (store_field): Use compare_tree_int.
5172 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
5173 (expand_expr, case ARRAY_REF): Use compare_tree_int.
5174 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
5175 (do_store_flag): Use compare_tree_int.
5176 * fold-const.c (encode, decode): Low part is always unsigned.
5177 (force_fit_type, add_double, neg_double, mul_double): Likewise.
5178 (lshift_double, rshift_double, lrotate_double): Likewise.
5179 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
5180 (fold_convert): Use compare_tree_int.
5181 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
5182 (invert_truthvalue, case INTEGER_CST): Likewise.
5183 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
5184 * mkdeps.c (deps_dummy_targets): Make I unsigned.
5185 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
5186 (lshift_double, rshift_double, lrotate_double, rrotate_double):
5188 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
5189 (expand_end_case): Use compare_tree_int.
5190 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5191 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
5192 (layout_decl): Likewise.
5193 (layout_record, layout_union): Make sizes unsigned.
5194 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
5195 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
5196 * tree.c (struct type_hash): hashcode is unsigned.
5197 (build_type_attribute_variant, type_hash_list): Likewise.
5198 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
5199 (attribute_hash_list, build_array_type, build_method_type): Likewise.
5200 (build_complex_type): Likewise.
5201 (real_value_from_int_cst): Remove unneeded casts.
5202 (integer_all_onesp): Add casts.
5203 (tree_floor_log2, compare_tree_int): New functions.
5204 (build_index_type): Use tree_int_cst_sgn.
5205 * varasm.c (assemble_variable): Use compare_tree_int.
5207 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
5209 * cpphash.c (collect_expansion): Also catch ## at start of macro.
5211 * varasm.c (make_decl_rtl): Don't add a number to members of
5213 (make_function_rtl): Likewise.
5215 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5217 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
5218 patch from 2000-01-28.
5220 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
5222 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
5223 filled with an insn from the jump target.
5225 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5227 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
5228 (c4x_external_ref): Likewise.
5229 * config/c4x/c4x.c (struct name_list): Likewise.
5231 1999-12-16 Ben Collins <bcollins@debian.org>
5233 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
5234 argument to genmultilib.
5235 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
5236 the contents into the multilib.h header.
5237 * gcc.c: Declare multilib_exclusions for the specs file.
5238 (set_multilib_dir): Use it.
5239 (print_multilib_info): Likewise.
5240 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
5241 to pass to genmultilib.
5243 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5245 * builtins.c (built_in_class_names, built_in_names): Constify a
5248 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5250 (_mcleanup): Ensure value matches format specifier in sprintf.
5252 * cpphash.c (special_symbol): Don't needlessly cast away
5255 * cppinit.c (base_name): Delete unused prototype.
5257 * mkdeps.c (deps_init): Make definition K&R safe.
5259 * tree.h (built_in_class_names, built_in_names): Constify a
5262 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5264 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5265 floating point instructions for epilogue delay.
5267 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5268 to gas if it supports .register pseudo.
5270 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5271 LONG_DOUBLE_TYPE_SIZE if not defined.
5272 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5273 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5275 * gengenrtl.c: Likewise.
5276 * print-rtl.c: Likewise.
5278 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5279 MASK_LONG_DOUBLE_128.
5280 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5281 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5282 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5283 (SUBTARGET_SWITCHES): Define.
5284 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5285 with -mlong-double-128.
5286 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5287 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5288 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5289 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5290 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5291 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5292 with -mlong-double-128.
5293 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5294 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5295 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5296 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5297 TARGET_LONG_DOUBLE_128): Define.
5298 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5299 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5300 long double on TARGET_ARCH64.
5302 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5304 * function.c (free_temps_for_rtl_expr): Don't free slots
5305 that have been pushed into a higher level.
5308 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5310 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5312 * basic-block.h (ALLOCA_REG_SET): Remove.
5313 (INITIALIZE_REG_SET): New macro.
5314 * flow.c (update_life_info): Use it.
5315 (calculate_global_regs_live): Likewise.
5316 (propagate_block): Likewise.
5317 * global.c (build_insn_chain): Likewise.
5318 * haifa-sched.c (schedule_region): Likewise.
5320 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5322 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5323 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5324 (DWARF_ARANGES_PAD_SIZE): New define.
5325 (output_aranges): Use it to pad the address range header.
5326 (DWARF_ROUND): Fix for non power of 2 rounding.
5328 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5330 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5332 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5334 * tree.def (RTL_EXPR): Update documentation.
5335 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5336 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5337 * function.c (preserve_rtl_expr_temp): New function.
5338 (preserve_rtl_expr_temps): Likewise.
5339 (preserve_rtl_expr_result): Use it.
5342 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5344 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5346 * regmove.c (copy_src_to_dest) Do not create src->dest move
5347 for unchanging destination.
5349 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5351 * function.h (struct sequence_stack): Remove rtl_expr.
5352 (struct emit_staus): Likewise.
5353 (seq_rtl_expr): Remove.
5354 * tree.h (free_temps_for_rtl_expr): Don't declare.
5355 (start_sequence_for_rtl_expr): Likewise.
5356 * rtl.h (preserve_rtl_expr_result): Likewise.
5357 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5358 (start_sequence_for_rtl_expr): Remove.
5359 (push_topmost_sequence): Don't save sequence_rtl_expr.
5360 (pop_topmost_sequence): Remove comment about not restoring it.
5361 (end_sequence): Don't set seq_rtl_expr.
5362 (init_emit): Don't initialize it.
5363 (mark_sequence_stack): Don't mark it.
5364 (mark_emit_status): Likewise.
5365 * except.c (protect_with_terminate): Use
5366 start_sequence_for_rtl_expr, not start_sequence.
5367 * expr.c (expand_expr, case RTL_EXPR): Don't call
5368 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5369 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5370 (preserve_rtl_expr_result): Remove.
5371 (free_temps_for_rtl_expr): Likewise.
5372 (pop_temp_slots): Likewise.
5373 (mark_temp_slot): Don't mark the rtl_expr.
5374 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5375 start_sequence_for_rtl_expr.
5377 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5379 * mkdeps.c, mkdeps.h: New files.
5380 * po/POTFILES.in: Add them.
5381 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5382 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5383 (mkdeps.o): New target.
5385 * cppfiles.c: Delete deps_output.
5386 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5387 OBJECT_SUFFIX, and base_name.
5388 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5390 (initialize_dependency_output): Use deps_init,
5391 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5392 all the unnecessary string bashing.
5393 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5395 * cpplib.c (do_include): Use deps_add_dep.
5396 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5397 deps_allocated_size, deps_size, deps_column members with
5398 single pointer to a struct deps. Delete prototype of
5401 * cppinit.c: Fix thinko in previous patch.
5403 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5405 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5406 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5407 (mode_for_size_tree): New function.
5408 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5409 * tree.h (mode_for_size_tree): New declaration.
5411 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5413 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5415 * stmt.c (is_body_block): Move...
5416 * dwarfout.c, dwarf2out.c: ...from here.
5417 * tree.h: Declare it.
5418 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5419 * final.c (final_start_function): Do call remove_unnecessary_notes
5422 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5424 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5426 * cpplib.h (_dollar_ok): New macro.
5427 (is_idchar, is_idstart): Use it.
5428 (IStable): Rename to _cpp_IStable. Declare it const if
5429 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5430 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5431 is_space): Update for renamed IStable.
5433 * cppinit.c: Delete all references to FAKE_CONST and CAT
5434 macros. Define init_IStable as empty macro if gcc >=2.7 or
5435 C99. Change TABLE() to ISTABLE and hardcode name of table.
5436 (cpp_start_read): Don't change the IStable based on
5439 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5440 changed. Handle '$' for char1 correctly.
5441 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5443 * cppexp.c (tokentab2): Make const.
5444 (cpp_lex): Make toktab const.
5445 * cppinit.c (include_defaults_array): Make const.
5446 (initialize_standard_includes): Make default_include const.
5448 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5450 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5451 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5452 (gen_decl_die): Likewise.
5453 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5454 (output_decl): Likewise.
5456 * varasm.c (make_function_rtl): If we change the name used in the
5457 rtl, update DECL_ASSEMBLER_NAME accordingly.
5458 (make_decl_rtl): Likewise.
5460 * toplev.c (rest_of_compilation): Tweak formatting.
5462 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5463 remove_unnecessary_notes.
5464 (debug_ignore_block): New fn.
5465 * toplev.h: Declare it.
5466 * emit-rtl.c (remove_unncessary_notes): Call it.
5467 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5468 * dwarf2out.h: Declare it.
5469 * final.c (final_start_function): Don't call remove_unnecessary_notes
5470 if we did insn scheduling.
5472 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5474 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5475 * cpplib.h: Delete SET_CPP_PEDANTIC.
5477 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5479 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5480 result is a RECORD_TYPE.
5482 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5484 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5486 2000-03-03 Richard Henderson <rth@cygnus.com>
5488 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5489 addition over compliments over shifts.
5491 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5493 * reload1.c (reload_combine_note_use): Handle return register USEs.
5494 REG case: Handle multi-hard-register hard regs.
5496 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5498 * md.texi: Document use of '*' in insn pattern name.
5500 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5502 * calls.c (special_function_p): operator new may not be malloc-like.
5504 * gcse.c (dump_hash_table): Really fix error in last change.
5506 2000-03-02 Denis Chertykov <denisc@overta.ru>
5508 * avr.c (print_operand): Use print_operand_address instead of
5510 * avr/libgcc.S: Cleanup code.
5512 2000-03-02 Richard Henderson <rth@cygnus.com>
5514 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5516 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5518 * tree.h (TYPE_ALIGN_UNIT): New macro.
5520 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5522 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5524 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5526 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5528 (SET_CPP_PEDANTIC): New macro.
5529 * cpplib.c (do_include): Don't bother checking system_header_p.
5530 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5531 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5533 * function.h (struct expr_status): Add x_arg_space_so_far.
5534 (arg_space_so_far): New macro.
5535 * expr.c (init_expr): Initialize it.
5536 * calls.c (emit_call_1): Reset it.
5537 (compute_argument_block_size, expand_call): Use it.
5538 (expand_call, store_one_arg): Increment it.
5540 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5542 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5545 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5547 * cppfiles.c (cpp_read_file): New function.
5549 * cpphash.c (collect_expansion): Make sure to reset last_token
5550 to NORM when we hit a string. Handle trailing whitespace
5551 properly when the expansion is empty.
5552 (create_definition): Disable line commands while parsing the
5554 (dump_definition): If pfile->lineno == 0, output a line
5555 command ahead of the dump, and add a trailing newline.
5557 * cppinit.c (append_include_chain): Add fifth argument, which
5558 indicates whether or not system headers are C++ aware.
5559 (initialize_standard_includes): New function,
5560 broken out of read_and_prescan. Pass 'cxx_aware' value from
5561 the include_defaults_array on to append_include_chain.
5562 (dump_special_to_buffer): Const-ify char array.
5563 (builtin_array): Don't dump __BASE_FILE__.
5564 (cpp_start_read): Use cpp_read_file. Reorder code for
5565 clarity. Don't output line commands here for -D/-A/-U
5566 switches. Don't call deps_output for files included with
5567 -include or -imacros.
5569 * cpplib.c (do_define): Don't pay any attention to the second
5571 (cpp_expand_to_buffer): Disable line commands while scanning.
5572 (output_line_command): Work in the file buffer.
5573 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5574 Fix formatting of comments. Prototype cpp_read_file.
5576 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5578 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5579 reference the language-equivalent of sizetype.
5580 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5581 * fold-const.c (size_binop, size_diffop): Put back checks.
5582 * gcse.c (dump_hash_table): Fix minor error in last change.
5583 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5584 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5587 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5589 * calls.c (expand_call) Do not attempt to combine stack adjustments
5590 with inhibit_defer_pop set.
5592 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5594 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5595 the DECL_SIZE for a FIELD_DECL.
5597 2000-03-01 Bruce Korb <bkorb@gnu.org>
5599 * fixinc/inclhack.tpl: remove unused symlinks
5600 * fixinc/README: GCC Maintainer info
5601 * fixinc/inclhack.sh: regen
5602 * fixinc/fixincl.sh: regen
5604 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5606 * cpphash.c (collect_expansion): Trim trailing white space
5607 from macro definitions, but don't go past the last insertion
5610 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5612 * i386.md (mulqi3): New pattern.
5614 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5616 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5618 (struct cpp_reader): Add parsing_if_directive and
5619 parsing_define_directive flags.
5620 (struct cpp_options): Remove output_conditionals flag.
5621 (check_macro_name): Delete prototype.
5623 * cpphash.h (struct macrodef): Delete.
5624 (struct reflist): Separate from struct definition.
5625 (struct definition): Remove unused fields. Add column number.
5626 (create_definition): Returns a DEFINITION *. Takes a
5627 cpp_reader * and an int.
5629 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5630 (PEEKC): Copy defn from cpplib.c.
5631 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5633 (struct arglist): Simplify.
5634 (collect_expansion): Rewrite. Get tokens by calling
5635 cpp_get_token. Add more error checking.
5636 (collect_formal_parameters): New function, broken out of
5637 create_definition and reworked to use get_directive_token.
5638 (create_definition): All real work is now in collect_expansion
5639 and collect_formal_parameters. do_define handles finding the
5640 macro name. Return a DEFINITION, not a MACRODEF.
5641 (macroexpand): Replace bcopy with memcpy throughout. Replace
5642 character-at-a-time copy loop with memcpy and pointer increments.
5643 (compare-defs): d1->argnames / d2->argnames might be null.
5645 * cpplib.c (copy_rest_of_line): Delete function.
5646 (skip_rest_of_line): Do all the work ourselves.
5647 (skip_string): New function.
5648 (parse_string): Use skip_string.
5649 (get_macro_name): New function.
5650 (check_macro_name): Delete.
5651 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5652 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5653 (handle_directive): ICE if we're called on a macro buffer.
5654 (do_define): Determine macro name and type (funlike/objlike)
5655 here. Expunge all uses of MACRODEF.
5656 (cpp_push_buffer): Set line_base to NULL.
5657 (do_undef, read_line_number): Don't worry about getting a POP token.
5658 (eval_if_expression): Set/reset parsing_if_directive around
5659 cpp_parse_expr. Don't clear only_seen_white.
5660 (skip_if_group): Remove output_conditionals logic. Use
5662 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5663 tokens under appropriate conditions.
5664 (cpp_unassert): Call do_unassert not do_assert. Oops.
5666 * cppexp.c (parse_defined): New function, break out of
5668 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5669 ourselves, with cpp_defined.
5670 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5672 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5673 * gcc.dg/strpaste-2.c: New.
5675 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5677 * fold-const.c (size_binop): Don't asert inputs are the same and
5678 have TYPE_IS_SIZETYPE set.
5679 (size_diffop): Likewise.
5681 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5683 * dwarfout.c (output_block): Output abstract blocks even if they
5684 don't have TREE_ASM_WRITTEN set.
5686 * calls.c (emit_library_call): Check for null REG.
5688 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5690 * c-decl.c (current_function_decl): Move to toplev.c.
5691 (init_decl_processing): Don't add current_function_decl as a ggc
5693 * dbxout.c (dbxout_symbol): Change return type to int.
5694 (dbxout_symbol_location, dbxout_syms): Likewise.
5695 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5696 any locals. Use current_function_func_begin_label if set.
5697 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5698 * dwarf2out.c (dwarf2out_begin_prologue): Set
5699 current_function_func_begin_label.
5700 * final.c (final_start_function): Reset it.
5701 * toplev.c (current_function_decl): Define it here.
5702 (current_function_func_begin_label): New variable.
5703 (main): Add both as ggc roots.
5704 * tree.h (current_function_func_begin_label): Declare.
5706 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5708 * gcse.c: Cleanups throughout: mostly white-space, but also
5709 some minor rearrangement of code.
5711 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5713 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5714 returns a PARALLEL. Use emit_group_load and use_group_regs
5716 (emit_library_call_value): Similarly.
5718 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5719 * pa/quadlib.asm: Remove.
5720 * pa/quadlib.c: New file.
5722 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5723 * configure: Rebuilt.
5725 2000-02-29 Philip Blundell <pb@futuretv.com>
5727 * config/arm/conix-elf.h: New file.
5728 * configure.in (arm*-*-conix*): New configuration.
5729 * configure: Regenerate.
5731 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5733 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5734 don't have TREE_ASM_WRITTEN set.
5736 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5738 * Eliminate DECL_FIELD_SIZE.
5739 * builtins.c (built_in_class_names, built_in_names): New variables.
5740 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5741 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5742 DECL_SIZE, not DECL_FIELD_SIZE.
5743 * print-tree.c (print_node): Remove code that prints extra blank
5744 lines in some cases.
5745 Properly handle inline and builtin function cases.
5746 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5747 * tree.h (built_in_class_named, built_in_names): New declarations.
5748 (union tree_decl): Rename internal unions to u1 and u2 and change
5749 some of their components.
5750 Add new field built_in_class.
5751 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5752 Reflect above changes.
5753 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5754 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5755 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5756 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5758 2000-02-28 Dmitri Makarov <dim@windriver.com>
5760 * extend.texi: Document ARM's support for long/short calls.
5762 * invoke.texi: Document ARM's -mlong-calls command line switch.
5764 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5765 (arm_encode_call_attribute): Add prototype.
5766 (arm_set_default_type_attribute): Add prototype.
5767 (arm_strip_name_encoding): Add prototype.
5769 * config/arm/arm.c (arm_init_cumulative_args): replace
5770 initialisation og 'long_calls' field with initialisation of
5771 'call_cookie' field.
5772 (enum arm_pragma_enum): New enum.
5773 (arm_pragma_long_calls): New static variable.
5774 (arm_process_pragma): Also process "#pragma long_calls_off".
5775 (arm_valid_type_attribute_p): Accept short_call attribute.
5776 (arm_comp_type_attributes): Check long/short call attributes.
5777 (arm_encode_call_attribute): New function: Encode long_call
5778 or short_call attribute in function name.
5779 (arm_set_default_type_attributes): New function: Assign
5780 default attributes to newly defined type.
5781 (current_file_function_operand): New function: Return true if
5782 the symbol is a function which has already been compiled.
5783 (arm_is_longcall_p): New function: Return true if the
5784 indicated function should be called via a long call.
5785 (arm_get_strip_length): New function. Returns number of
5786 prefix characters to be stripped from a function's name.
5787 (arm_strip_name_encoding): New function. Strip prefix characters
5788 from a function's name.
5790 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5792 (SHORT_CALL_FAG_CHAR): Define.
5793 (LONG_CALL_FAG_CHAR): Define.
5794 (ENCODED_SHORT_CALL_ATTR_P): Define.
5795 (ENCODED_LONG_CALL_ATTR_P): Define.
5796 (ARM_NAME_ENCODING_LENGTHS): Define.
5797 (STRIP_NAME_ENCODING): Define.
5798 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5799 (ARM_ENCODE_CALL_TYPE): Define.
5800 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5801 (ARM_DECLARE_FUNCTION_SIZE): Define.
5802 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5804 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5805 if a long call is needed.
5806 (call_value): Ditto.
5807 (call_symbol): Ditto.
5809 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5810 ARM_DECLARE_FUNCTION_SIZE.
5812 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5813 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5814 (ARM_STRIP_NAME_ENCODING): Undefine.
5815 (STRIP_NAME_ENCODING): Undefine.
5816 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5817 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5818 (ASM_OUTPUT_COMMON): Ditto.
5819 (ASM_DECLARE_OBJECT_NAME): Ditto.
5821 * config/arm/pe.c (arm_dllexport_name_p): Check for
5823 (arm_dllimport_name_p): Ditto.
5824 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5825 (arm_mark_dllimport): Ditto.
5827 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5829 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5831 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5833 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5835 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5837 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5838 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5839 NO_BUILTIN_WCHAR_TYPE is not defined.
5840 (CPP_WCHAR_TYPE): Delete.
5841 * cccp.c (main): Don't change wchar_type if cplusplus.
5842 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5844 2000-02-28 Nick Clifton <nickc@cygnus.com>
5846 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5848 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5850 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5851 (ASM_WEAKEN_LABEL): Define.
5853 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5855 * expr.c (store_constructor): Do not emit USE.
5856 * rtl.h (stupid_life_analysis): Remove.
5858 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5860 * function.c (number_blocks): Reset next_block_index based on
5861 what debugging format is used, not what is defined.
5863 * lcm.c: Minor reformatting throughout.
5864 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5866 * toplev.c (rest_of_compilation): Account for time in
5867 optimize_mode_switching.
5869 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5870 if only marking labels.
5872 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5874 * calls.c (expand_call): Attempt to combine stack adjustments with
5875 pending stack adjustments.
5877 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5879 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5880 to the end of the function.
5882 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5884 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5886 * final.c (next_block_index): Remove.
5887 (max_block_depth): Likewise.
5888 (pending_blocks): Likewise.
5889 (init_final): Don't initialize them.
5890 (final_start_function): Don't set next_block_index. Set up
5892 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5893 * function.h (number_blocks): New function.
5894 * function.c (get_block_vector): New function.
5895 (identify_blocks): Use it.
5896 (reorder_blocks): Set NOTE_BLOCK.
5897 (number_blocks): New function.
5898 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5899 * tree.h (BLOCK_NUMBER): New macro.
5900 (tree_block): Add block_num field.
5901 * dbxout.c (next_block_number): Remove.
5902 (dbxout_init): Don't set it.
5903 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5904 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5906 * toplev.c (rest_of_compilation): Always call
5907 find_loop_tree_blocks. Fix indentation.
5908 * dwarf2out.c (next_block_number): Remove.
5909 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5910 to determine block numbers.
5911 (gen_inlined_subroutine_die): Likewise.
5912 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5913 (decls_for_scope): Don't increment next_block_number.
5914 * dwarfout.c (next_block_number): Remove.
5915 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5916 to determine block numbers.
5917 (output_inlined_subroutine_die): Likewise.
5918 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5919 (output_decls_for_scope): Don't increment next_block_number.
5920 * sdbout.c (next_block_number): Remove.
5921 (sdbout_block): Use BLOCK_NUMBER.
5922 (sdbout_begin_block): Simplify.
5923 * xcoffout.c (next_block_number): Remove.
5924 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5925 (xcoffout_begin_block): Don't set next_block_number.
5926 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5929 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5931 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5932 (expand_builtin_strcpy): Pass correct type to size_binop.
5933 (expand_builtin_strcmp): Likewise.
5934 Clean up conditional structure.
5935 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5936 (complete_array_type): Don't use size_binop for MAXINDEX.
5937 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5938 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5939 (c_alignof): Use size_one_node.
5940 (build_unary_op): Pass arg of proper type to size_binop.
5941 (really_start_incremental_init, push_init_level): Use sizetype for
5942 constructor{,_bit,_unfilled}_index.
5943 (pop_init_label, output_init_element): Likewise.
5944 (output_pending_init_elements, process_init_element): Likewise.
5945 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5946 * expr.c (store_expr): Use size_int.
5947 (store_constructor): Use proper types for size_binop args.
5948 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5949 (expand_expr_unaligned): Likewise.
5950 (string_contant): Return object of sizetype.
5951 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5952 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5953 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5954 * fold-const.c (int_const_binop): Refine when size_int is called.
5955 (fold_convert): Likewise.
5956 (size_int_wide): Rework to take KIND as arg, only take low order
5957 bits, handle new sizetype_tab datatype, and chain entries in
5959 (size_int_type_wide): New function.
5960 (size_binop): Validate types of arguments.
5961 (ssize_binop): Deleted.
5962 (size_diffop): New function.
5963 (extract_muldiv): Only fold division into multiplication for sizetypes.
5964 * function.c (assign_parms): Use size_diffop and make sure
5965 VAR field is of ssizetype; also pass proper type to size_binop.
5966 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
5967 (round_down): Deleted from here.
5968 * store-layout.c (sizetype_tab): Now an array.
5969 (sizetype_set, early_root_list): New variables.
5970 (variable_size): Use size_one_node.
5971 (round_up): Pass proper type to size_binop.
5972 (round_down): Moved to here and corrected as above.
5973 (layout_record): Pass proper arg types to size_binop.
5974 (layout_type): Likewise.
5975 If sizetype_set is zero, record the type just laid out.
5976 (make_unsigned_type): Don't call set_sizetype;
5977 (make_signed_type): Likewise; also, call fixup_signed_type.
5978 (initialize_sizetypes): New function.
5979 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
5980 set name of bitsizetype to "bit_size_type".
5981 Fix up type of sizes of all types made before call.
5982 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
5983 * tree.c (fix_sizetype): Deleted.
5984 (build_common_tree_nodes): Call initialize_sizetypes.
5985 (build_common_tree_nodes_2): Don't call fix_sizetype.
5986 * tree.h (TYPE_IS_SIZETYPE): New macro.
5987 (initialize_sizetype): New declaration.
5988 (enum size_type_kind): New type.
5989 (struct sizetype_tab): Deleted.
5990 (sizetype_tab): Now array; adjust sizetype macros.
5991 (size_diffop, size_int_type_wide): New functions.
5992 (size_int_wide): Change number of args and type; access macros changed.
5993 (ssize_int, sbitsize_int): New macros.
5994 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
5995 (ROUND_TYPE_SIZE_UNIT): New macro.
5997 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
5999 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
6001 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6003 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
6004 Mark as possibly unused.
6006 * cse.c (cse_insn): Delete dead code involving tablejump.
6007 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
6009 * Makefile.in (libcpp.a): Start by deleting it.
6011 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6013 * cpplib.h (enum file_change_code): Added rename_file.
6014 * cpplib.c (do_line): If a filename is given, set file_change to
6016 (output_line_command): If file_change is rename_file, always
6017 output a # directive with the file name.
6019 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
6021 2000-02-26 Mark Mitchell <mark@codesourcery.com>
6023 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
6024 when copying a PARM_DECL or RESULT_DECL.
6026 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6028 * fix-header.c (recognized_function): Also fix prototypes for
6029 functions taking "void".
6031 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6033 * reload1.c (do_output_reload): Check reg_reloaded_valid before
6034 looking at reg_reloaded_contents.
6036 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
6038 * Makefile.in (STMP_FIXINC): New toggle.
6039 (LIBGCC2_DEPS): Delete all references.
6040 (stmp-headers): Delete target. All references either deleted
6041 or changed to stmp-int-headers.
6042 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
6043 (LIBCPP_OBJS): Take out cppalloc.o.
6044 (cppalloc.o): Delete target.
6045 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
6046 (gen-protos, fix-header): Link with libiberty.a.
6047 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
6050 * configure.in: Remove refs to strerror.
6051 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
6052 * system.h: Take out strerror stanza.
6054 * cpperror.c (my_strerror): Delete function.
6055 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
6056 * cppmain.c (main): Call xmalloc_set_program_name first thing.
6057 * cppalloc.c: Delete file.
6058 * gen-protos.c: Don't provide xrealloc.
6060 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
6061 xstrerror throughout.
6063 2000-02-26 Bruce Korb <bkorb@gnu.org>
6065 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
6066 match for DOS headers, too.
6067 * fixinc/inclhack.sh,fixincl.x: Regenerate.
6069 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6071 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
6072 is right for most ELF targets.
6073 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
6074 Let the default file use %U properly.
6075 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
6078 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
6081 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6083 * toplev.c (documented_lang_options): Correct spelling error.
6084 (decode_d_option, decode_f_option, main): Likewise.
6086 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
6088 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
6089 to tell assembler it is permitted to expand large constants.
6091 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
6093 * protoize.c: (AUX_INFO_SUFFIX): New macro.
6094 (aux_info_suffix): Use.
6095 (SAVE_SUFFIX): New macro.
6097 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
6098 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
6099 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
6101 * invoke.texi (Running Protoize): Update documentation.
6103 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
6105 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
6107 2000-02-25 John Wehle (john@feith.com)
6109 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
6111 2000-02-25 Anthony Green <green@cygnus.com>
6113 * toplev.c (rest_of_compilation): Rebuild jump labels if
6114 combine_instructions has created a new direct jump.
6115 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
6117 (combine_instructions): Call try_combine with new argument.
6118 Return non-null value when new direct jump instruction is created.
6119 * rtl.h: combine_instructions returns an int.
6121 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
6123 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
6124 jump when changing a computed jump into a jump to a known
6127 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
6129 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
6130 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
6132 * i386.md (define_expand "clrstrsi"): Fix typo.
6134 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
6136 * rtl.texi: Fix typo.
6138 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6140 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
6141 UNITS_PER_WORD. Change caller initial_elimination_offset.
6142 (rounded_frame_size): Take into account that argument pushed has
6143 changed. Fix TARGET_ALIGN_DOUBLE problem.
6145 2000-02-25 Geoff Keating <geoffk@cygnus.com>
6147 * haifa-sched.c (schedule_block): Explain the real reason
6148 we delete REG_SAVE_NOTEs on the first insn of a block.
6149 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
6151 2000-02-24 Mark Mitchell <mark@codesourcery.com>
6153 * input.h (push_srcloc): New function.
6154 (pop_srcloc): Likewise.
6155 * toplev.c (push_srcloc): Define it.
6156 (pop_srcloc): Likewise.
6158 2000-02-24 Richard Henderson <rth@cygnus.com>
6160 * flow.c (life_analysis): When collecting reg info, clear
6163 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6165 Fix bug exposed by reload.c no longer rounding the frame
6166 size to BIGGEST_ALIGNMENT:
6167 * sh.c (rounded_frame_size): New function.
6168 (sh_expand_prologue, sh_expand_epilogue): Use it.
6169 (initial_elimination_offset): Likewise.
6171 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6173 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
6174 * sh-protos.h (sh_need_epilogue): Declare.
6175 * sh.c (sh_need_epilogue_known): New static variable.
6176 (sh_need_epilogue): New function.
6177 (function_epilogue): Clear need_epilogue_known.
6178 * sh.md (return): Split into expander / insn pattern.
6179 Make the expander conditional on ! sh_need_epilogue ().
6181 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
6183 * machmode.h (get_mode_alignment): Declare.
6184 (GET_MODE_ALIGNMENT): Call it.
6185 * stor-layout.c (get_mode_alignment): New function. Make
6186 sure alignment is always power of 2.
6188 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6190 * i386.h: Remove useless definition of "I386" and misleading
6193 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6195 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
6196 under which TREE_PERMANENT will be set.
6197 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
6198 build1): Use TREE_SET_PERMANENT.
6199 * print-tree.c (print_node): Don't report value of
6200 TREE_PERMANENT if ggc_p is true.
6202 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
6203 decide whether to give a type a new alias set.
6204 * objc/objc-act.c (build_objc_string_object): Never copy the string.
6205 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
6206 of value of 'obstack'.
6209 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6211 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
6213 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6215 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
6216 * cpplib.c (cpp_get_token): Produce them.
6217 * cppexp.c (cpp_lex): Handle them.
6219 2000-02-23 Nick Clifton <nickc@cygnus.com>
6221 * config/arm/arm.c (arm_comp_type_attributes): Simply and
6222 comment tests on type attributes.
6224 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6226 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
6227 conform to documentation.
6228 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
6229 to check for special cases.
6230 * sh-protos.h (sh_loop_align): Declare.
6231 * sh.c (sh_loop_align): Define.
6233 2000-02-22 Andrew Haley <aph@cygnus.com>
6235 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
6236 (SIZE_TYPE): Is 32 bits when using -mgp32.
6237 (PTRDIFF_TYPE): Ditto.
6239 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6241 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
6243 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6245 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
6246 BIGGEST_FIELD_ALIGNMENT a constant.
6248 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6250 * dwarf2out.c (output_line_info): Put the marker for the end of
6251 the line number info at the actual end.
6252 (gen_struct_or_union_type_die): Use decl_function_context
6253 to check for local classes.
6254 * dwarfout.c (output_type): Likewise.
6256 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6258 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6259 for arguments with a mode, but no type.
6260 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6261 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6262 * pa/long_double.h: New file.
6263 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6264 both have 128bit wide long doubles.
6265 * configure: Rebuilt.
6267 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6269 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6271 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6272 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6273 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6275 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6277 * integrate.c (compare_blocks, find_block): Likewise.
6279 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6281 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6283 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6284 expand_asm_operands): Likewise.
6286 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6288 * predict.c (estimate_probability): Added the pointer heuristic to
6289 the collection of static branch predictors.
6291 2000-02-21 Catherine Moore <clm@cygnus.com>
6293 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6294 * invoke.texi (-mfix7000): Document.
6296 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6298 * diagnostic.c (init_output_buffer): Make it possible to output at
6299 least 32 characters if we're given a too long prefix.
6301 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6303 * varasm.c (initializer_constant_valid_p): Call
6304 lang_expand_constant to simplify the constant.
6306 2000-02-20 Bruce Korb <bkorb@gnu.org>
6308 * fixinc/inclhack.def(stdio_va_list):
6309 typedef needs to be disabled.
6310 * fixinc/inclhack.sh: regen
6311 * fixinc/fixincl.x: regen
6313 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6315 * print-rtl.c (print_rtx): Don't print addresses when
6316 flag_dump_unnumbered.
6318 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6320 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6322 (sparc_va_arg, sparc_flat_output_function_prologue,
6323 sparc_flat_output_function_epilogue): Cast value to unsigned in
6325 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6327 * sparc.md: Add default case in switch.
6329 2000-02-19 Richard Henderson <rth@cygnus.com>
6331 * c-typeck.c (add_pending_init): Don't abort for multiple
6332 fields at the same offset.
6333 (pending_init_member): Test the correct member.
6335 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6337 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6339 (start_catch_handler) : Same.
6341 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6343 * Makefile.in: Have flow.o depend on $(EXPR_H)
6345 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6347 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6348 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6349 (finish_decl): Remove -Wlarger-than code from here.
6350 * flags.h (id_clash_len): Now int.
6351 (larger_than_size): Now HOST_WIDE_INT.
6352 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6353 Clean up checking to see if in table.
6354 (make_bit_field_ref): Remove extra parm to bitsize_int.
6355 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6356 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6357 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6358 and for computing size of decl.
6359 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6360 Move -Wlarger-than code to here.
6361 (layout_record): Remove extra arg to bitsize_int.
6362 Set TYPE_BINFO_SIZE_UNIT.
6363 (layout_union): Remove extra arg to bitsize_int.
6364 Use proper type for size of QUAL_UNION.
6365 (layout_type): Remove extra arg to bitsize_int.
6366 * toplev.c (id_clash_len): Now int.
6367 (larger_than_size): Now HOST_WIDE_INT.
6368 (decode_W_option): Clean up id-clash and larger-than- cases.
6369 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6370 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6371 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6372 (struct tree_decl): New field size_unit.
6373 (size_int_wide): No HIGH operand; NUMBER is now signed.
6374 (size_int_2): Deleted.
6375 (size_int, bitsize_int): Don't use it and rework args.
6376 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6378 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6380 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6382 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6384 * invoke.texi (Warning Options): Add an explanation of why
6385 you might want the -Wfloat-equal flag.
6387 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6389 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6390 * cppinit.c (new_pending_define): Add cast to avoid warning.
6391 * expmed.c (extract_bit_field): Likewise.
6392 * flow.c (enum reorder_skip_type): New type.
6393 (skip_insns_between_blcok): New it.
6394 Rework to avoid warning about possibly undefined variable.
6395 * function.c (assign_parms): Make thisparm_boundary unsigned.
6396 * genrecog.c (write_switch): Cast XWINT result to int.
6397 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6398 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6399 one for MIPS and one for Alpha.
6400 (get_tag, copy_object): Add casts to avoid warnings.
6401 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6402 * reload.c (find_reloads): Make TYPE enum reload_type.
6403 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6404 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6405 * varasm.c (compare_constant_1): Add cast to avoid warning.
6406 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6408 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6409 Cast switch operand of size to int.
6410 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6411 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6414 2000-02-18 Nick Clifton <nickc@cygnus.com>
6416 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6417 anything for an alignment of zero.
6419 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6420 anything for an alignment of zero.
6422 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6424 * gcc.texi (Bug Reporting): Refer to bugs.html.
6425 (Bug Lists): Likewise.
6426 * system.h (GCCBUGURL): New preprocessor define.
6427 * rtl.c (fancy_abort): Use it.
6428 * gcc.c (main): Likewise.
6430 2000-02-18 Richard Henderson <rth@cygnus.com>
6432 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6433 (life_analysis_1): Subsume into ...
6434 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6435 Use update_life_info for the relaxation.
6436 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6437 entry and regs_live_at_setjmp.
6438 (set_noop_p): Simplify.
6439 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6440 (record_volatile_insns): Split into ...
6441 (delete_noop_moves): ... here,
6442 (notice_stack_pointer_modification): ... here,
6443 (insn_dead_p): ... and here.
6444 (propagate_block): Don't query INSN_VOLATILE.
6445 (mark_used_regs): Mind !PROP_REG_INFO.
6446 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6447 not in life_analysis.
6449 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6451 * loop.c (canonicalize_condition): New function,
6452 broken out of get_condition.
6453 (get_condition): Use it.
6454 * expr.h (canonicalize_condition): Prototype it.
6456 * tree.h (tree_int_cst_msb): Declare.
6457 * tree.c (tree_int_cst_msb): New function.
6459 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6461 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6464 * invoke.texi (-fmessage-length=n): Document.
6466 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6468 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6470 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6472 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6475 2000-02-17 Nick Clifton <nickc@cygnus.com>
6477 * config/arm/thumb.c: Replace includes of system headers with
6478 #include "system.h".
6480 2000-02-16 Richard Henderson <rth@cygnus.com>
6482 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6483 Add crtbeginS.o and crtendS.o.
6484 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6485 (ENDFILE_SPEC): Use crtendS.o.
6486 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6488 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6489 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6491 (__dso_handle): New variable.
6492 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6493 bias to __CTOR_END__.
6495 2000-02-16 Richard Henderson <rth@cygnus.com>
6497 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6499 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6501 * longlong.h (__clz_tab): Declare as static to match definition.
6503 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6504 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6505 (XREF_FILE_NAME): Define.
6507 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6508 (EH_FRAME_SECTION_ASM_OP): Define.
6509 (IDENT_ASM_OP): Define.
6510 (TEXT_SECTION_ASM_OP): Define.
6512 (CTORS_SECTION_ASM_OP): Define.
6513 (CTOR_SECTION_FUNCTION): Use it.
6514 (DTORS_SECTION_ASM_OP): Define.
6515 (DTOR_SECTION_FUNCTION): Use it.
6517 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6519 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6522 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6523 debug_bb_n): New functions.
6524 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6525 * basic-block.h: Prototype new functions.
6527 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6529 * configure.in: Add support for avr target.
6530 * configure: Rebuilt.
6532 * invoke.texi: Add AVR invocation docs.
6533 * install.texi: Add information about AVR.
6534 * md.texi: Add AVR constraint letters description.
6535 * extend.texi: Add description for AVR specific attributes.
6537 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6539 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6541 2000-02-16 Nick Clifton <nickc@cygnus.com>
6543 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6544 (make_insn_raw): Move RTL check here.
6546 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6548 * version.c: Include gansidecl.h and version.h.
6550 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6552 * configure.in (gcc_version): When setting, narrow search to
6553 lines containing `version_string'.
6555 * Makefile.in (mainversion): Likewise.
6556 (GCC_H): New variable.
6557 (gcc.h): Delete target.
6558 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6559 (version.o): Depend on version.h.
6560 (dbxout.o): Don't depend on gcc.h.
6562 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6563 Michael Meissner <meissner@cygnus.com>
6565 * md.texi (Simple Constraints): Add item about whitespace.
6566 * genoutput.c (strip_whitespace): New.
6567 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6568 strip_whitespace for constraints.
6569 Test pointer using NULL, not 0.
6571 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6573 * cpplib.c (do_line): Pedwarn for #line > 32767.
6575 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6577 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6579 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6580 to default cpp spec.
6581 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6582 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6585 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6588 2000-02-15 Denis Chertykov <denisc@overta.ru>
6590 * configure.in: Add support for avr target.
6592 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6594 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6595 (sh_addr_diff_vec_mode): Don't declare.
6596 * sh.c (sh_addr_diff_vec_mode): Delete.
6598 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6600 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6602 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6604 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6605 (smulsi3_highpart_i): Name.
6606 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6607 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6608 (smulsi3_highpart, umulsi3_highpart): Likewise.
6610 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6611 correctly independent of endianness.
6612 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6613 confuse the optimizers.
6614 (mulsidi3+1, umulsidi3+1): New define_split.
6616 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6618 * config/sh/sh.md: Guard insn splits against illegal registers.
6619 * config/sh/sh.h: Correct comment about macros.
6621 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6622 Andrew MacLeod <amacleod@cygnus.com>
6624 * Makefile.in (lcm.o): Depend on insn-attr.h.
6625 * basic-block.h (optimize_mode_switching): Declare.
6626 * lcm.c (tm_p.h, insn-attr.h): #include.
6627 (seginfo, bb_info): New structs.
6628 (antic, transp, comp, delete, insert) : New file-scope static variables.
6629 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6630 (reg_becomes_live, optimize_mode_switching): Likewise.
6631 * tm.texi: Add description of mode switching macros.
6632 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6634 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6635 (fldi_ok, fpscr_set_from_mem): New prototypes.
6636 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6637 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6638 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6639 (sh_flag_remove_dead_before_cse): Remove declaration.
6640 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6641 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6642 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6643 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6644 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6645 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6646 (fldi_ok): New function.
6647 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6648 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6649 (emit_df_insn): Likewise.
6650 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6651 (sh_flag_remove_dead_before_cse): Delete.
6652 (get_free_reg, fpscr_set_from_mem): New functions.
6653 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6654 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6656 2000-02-15 Loren Rittle <ljrittle@acm.org>
6658 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6660 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6662 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6663 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6665 * cccp.c: Include version.h and/or don't declare `version_string'.
6666 * collect2.c: Likewise.
6667 * alpha.c: Likewise.
6668 * arm/aof.h: Likewise.
6669 * arm/coff.h: Likewise.
6670 * arm/elf.h: Likewise.
6671 * arm/pe.h: Likewise.
6672 * arm/tcoff.h: Likewise.
6673 * arm/telf.h: Likewise.
6674 * arm/tpe.h: Likewise.
6675 * arm/vxarm.h: Likewise.
6676 * convex/convex.c: Likewise.
6677 * i386/dgux.c: Likewise.
6678 * i386/sun386.h: Likewise.
6679 * m88k/m88k.c: Likewise.
6680 * mcore/mcore-pe.h: Likewise.
6681 * mips/mips.h: Likewise.
6682 * romp/romp.h: Likewise.
6683 * sh/sh.c: Likewise.
6684 * cpphash.c: Likewise.
6685 * cppinit.c: Likewise.
6686 * dwarf2out.c: Likewise.
6687 * dwarfout.c: Likewise.
6690 * mips-tfile.c: Likewise.
6691 * protoize.c: Likewise.
6692 * toplev.c: Likewise.
6695 * version.c (version_string): Constify a char*.
6697 * version.h: New file.
6699 2000-02-14 Nick Clifton <nickc@cygnus.com>
6701 * configure.in: Add mcore-elf and mcore-pe targets.
6702 * configure: Regenerate.
6704 * NEWS: Add note that MCore port has been contributed.
6706 * invoke.texi: Document command line switches for MCore port.
6707 * install.texi: Add MCore to list of supported targets.
6709 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6711 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6712 then we will need to import the frame handling functions.
6713 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6714 to import the frames themselves.
6716 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6717 Jason Eckhardt <jle@cygnus.com>
6719 * basic_block.h: Added prototype for reorder_basic_blocks.
6720 * toplev.c: Changes to add -freorder-blocks and graph dump after
6721 block reordering is done.
6722 * flow.c (reorder_block_def): New structure for use during block
6724 (REORDER_BLOCK_*): New macros to access members of above structure.
6725 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6726 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6727 functions for block reordering.
6729 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6731 * gcc.texi (Passes): Fix typo.
6732 * md.texi (Standard Names): Ditto.
6733 * tm.texi (Storage Layout): Ditto.
6735 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6737 * cpplib.c (do_define): Only free the old definition if it
6740 2000-02-13 Neil Booth <NeilB@earthling.net>
6742 * cppfiles.c (read_and_prescan): When emitting deferred
6743 newlines, test speccase[] again instead of checking each
6744 possible whitespace character in turn. When we encounter \r,
6745 look behind for \n first, then ahead.
6747 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6749 * cse.c (cse_altered): New internal flag.
6750 (cse_insn): Set it if we changed an insn.
6751 (cse_main): Clear cse_altered before each basic block.
6752 Only garbage collect if cse_altered is true afterward.
6754 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6756 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6758 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6760 * combine.c (simplify_comparison): Fix typo.
6762 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6764 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6767 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6769 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6770 previously inserted node instead of root node. Caller changed.
6772 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6774 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6776 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6778 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6779 __dereg_frame_dtor): Add prototype argument.
6781 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6783 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6785 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6787 * gthr-vxworks.h (__gthread_once): Likewise.
6789 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6791 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6793 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6794 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6795 stack pointer in functions w/o saved registers, output LEAVE more often
6796 on TARGET_USE_LEAVE machines.
6798 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6800 * config/arm/arm.c (arm_init_cumulative_args); New function:
6801 Initlaise the CUMULATIE_ARGS strcuture for a function
6803 (arm_function_arg): New function: Determine where to place a
6804 function's argument. Also handles deciding the function's
6806 (current_file_function_operand): New function: Return true if
6807 the symbol is a function which has already been compiled.
6808 (arm_is_long_call_p): New function: Return true if the
6809 indicated function should be called via a long call.
6810 (arm_valid_type_attribute_p): New function: Return true if the
6811 attribute is a valid, arm specific, attribute.
6812 (arm_comp_type_attribute): New function: Return true if the
6813 two types have compatable, arm specific, attributes.
6815 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6817 (FUNCTION_ARG): Redefine to call arm_function_arg.
6818 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6820 (INIT_CUMULATIVE_ARGS): Redefine to call
6821 arm_init_cumulative_args.
6822 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6824 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6826 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6828 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6829 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6830 (COMP_TYPE_ATTRIBUTES): Define.
6832 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6833 if a long call is needed.
6834 (call_value): Call arm_is_long_call_p to decide if a long call
6836 (call_symbol): Call arm_is_long_call_p to decide if a long call
6839 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6841 2000-02-11 Denis Chertykov <denisc@overta.ru>
6843 * README.AVR: New file with information about the avr ports.
6844 * config/avr: New directory with avr port files.
6846 2000-02-11 Andreas Jaeger <aj@suse.de>
6848 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6850 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6852 * cpphash.c: Fix formatting, update commentary.
6853 (dump_definition): Take three separate arguments instead of a
6854 MACRODEF structure argument.
6855 * cpphash.h: Update prototype of dump_definition.
6856 * cppinit.c (cpp_finish): Update call of dump_definition.
6858 * cpplib.c (do_define): Always create new hash entry with
6859 T_MACRO type. Remove redundant check for redefinition of
6860 poisoned identifier. Update call of dump_definition.
6861 (do_undef): Don't call check_macro_name. Rename sym_length to
6863 (do_error, do_warning): Don't use copy_rest_of_line or
6865 (do_warning): Don't use pedwarn for the actual warning,
6866 only the notice about its not being in the standard. (Fixes
6867 bug with #warning in system headers.)
6868 (do_ident): Stricter argument checking - accept only a single
6869 string after #ident. Also, macro-expand the line.
6870 (do_xifdef): Use cpp_defined. De-obfuscate.
6872 (do_pragma): Split out specific pragma handling to separate
6873 functions. Use get_directive_token. Update commentary. Do
6874 not pass on #pragma once or #pragma poison to the front end.
6875 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6876 do_pragma_default): New.
6878 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6880 * jump.c (jump_optimize_1): The first operand in a relational
6882 * optabs.c (emit_conditional_move): Handle relationals which
6883 have a known true/false result.
6885 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6887 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6888 a RETURN insn into a block which already ends with a jump.
6890 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6892 * haifa-sched.c (BUF_LEN): Increase a lot.
6894 2000-02-11 Nick Clifton <nickc@cygnus.com>
6896 * configure.in: Add tm_p_file specification for thumb targets.
6897 * configure: Regenerate.
6899 * config/arm/thumb-protos.h: New file: Prototypes for exported
6900 functions defined in thumb.c.
6902 2000-02-11 Robert Lipe <robertl@sco.com>
6904 * Makefile.in (bootstrap-lean): Remove additional files.
6905 (bootstrap2-lean): Likewise.
6906 (VOL_FILES): List of files for above.
6908 2000-02-11 Nathan Sidwell <nathan@acm.org>
6910 * cpphash.c (special_symbol): Remove spurious argument to
6913 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6915 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6917 * configure: Rebuilt.
6919 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6921 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6923 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6925 * pa.c, pa.h: Remove trigraph sequences within comments.
6927 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6929 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6931 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6933 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6935 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6937 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6939 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6941 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6942 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6943 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6944 (ASM_FILE_END): Use c4x_file_end.
6945 * config/c4x/c4x.c (c4x_global_label): New function.
6946 (c4x_external_ref, c4x_file_end): Likewise.
6948 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6949 (c4x_external_ref, c4x_end_file): Likewise.
6951 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6953 * cppexp.c: Don't include cpphash.h.
6954 (parse_charconst, cpp_lex): Use cpp_defined.
6955 (cpp_lex): Use get_directive_token throughout. Remove
6956 unnecessary cases from switch. Move assertion-handling code
6958 (cpp_parse_expr): If we see '+' or '-', check the context to
6959 determine if they are unary or binary operators. Streamline
6960 the jumps a bit. Do not call skip_rest_of_line.
6962 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6963 static. Export get_directive_token. Update commentary.
6964 (cpp_defined): New function.
6965 (do_define): Remove reference to T_PCSTRING. Call
6966 free_definition to release memory for old definition, when
6968 (eval_if_expression): Set only_seen_white to 0 before calling
6969 cpp_parse_expr. Call skip_rest_of_line after it returns.
6970 (cpp_read_check_assertion): Don't preserve a pointer into the
6971 token buffer across a call to cpp_get_token.
6973 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
6974 * cppfiles.c (redundant_include_p): Use cpp_defined.
6975 * cpphash.c (free_definition): New function.
6976 (delete_macro): Use it. Update commentary.
6977 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
6979 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
6980 from enum node_type. Prototype cpp_defined and get_directive_token.
6981 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
6983 * fix-header.c (check_macro_names): Use cpp_defined.
6984 (read_scan_file): Set inhibit_warnings and inhibit_errors in
6985 the options structure.
6987 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6989 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
6991 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
6993 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
6994 rather than die->die_tag.
6996 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6998 * combine.c (make_extraction, force_to_mode): Avoid warning on
6999 mixed-signedness conditionals.
7000 (make_field_assignment, nonzero_bits): Likewise.
7001 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
7002 (store_split_bit_field, extract_split_bit_field): Likewise.
7003 (extract_fixed_bit_field, store_bit_field,
7004 * expr.c: Change alignment to be unsigned everywhere.
7005 (move_by_pieces, store_constructor_field, store_constructor):
7006 Alignment parm is unsigned.
7007 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7008 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7009 (do_compare_rtx_and_jump): Likewise.
7010 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
7011 Compare align with GET_MODE_ALIGNMENT.
7012 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
7013 (get_inner_reference): Likewise.
7014 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
7015 (expand_assignment): Local vars for alignment now unsigned.
7016 (store_constructor, store_field, expand_expr, do_jump): Likewise.
7017 (do_compare_and_jump): Likewise.
7018 (store_field): Call new function expr_align.
7019 * expr.h (emit_block_move, emit_group_load, emit_group_store):
7020 Alignment arg now unsigned.
7021 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7022 (do_compare_rtx_and_jump, store_bit_field): Likewise.
7023 (extract_bit_field): Likewise.
7024 * fold-const.c (add_double): Add cast to eliminate signedness warning.
7025 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
7026 (get_best_mode): Alignment arg is unsigned.
7027 * rtl.h (move_by_pieces): Likewise.
7028 * store-layout.c (maximum_field_alignment, set_alignment):
7030 (layout_decl): Alignment arg is now unsigned.
7031 Remove unneeded casts.
7032 (layout_record, layout_union, layout_type): Remove unneeded casts.
7033 Local alignment variables now unsigned.
7034 (get_best_mode): Alignment arg now unsigned.
7035 * tree.c (expr_align): New function.
7036 * tree.h (expr_align): Likewise.
7037 (maximum_field_alignment, set_alignment): Now unsigned.
7038 (get_inner_reference): Alignment argument is now pointer to unsigned.
7039 * varasm.c (assemble_variable): Add cast to eliminate warning.
7041 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
7043 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
7044 then store directly into op0.
7046 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
7047 the CALL_INSN, and emit the note immediately after it.
7049 2000-02-10 Nick Clifton <nickc@cygnus.com>
7051 * config/arm/thumb.md (epilogue): Include a (return) in the
7052 generated insn, and emit it using emit_jump_insn not
7055 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
7057 * function.c (assign_temp): Change zero-sized arrays to size 1.
7058 * integrate.c (expand_inline_function): Do not update
7059 stack_alignment_needed
7060 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
7061 add some sanity checking, remove optimization for function with
7064 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7066 * flow.c (mark_regs_live_at_end): Delete unused variables.
7068 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
7070 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
7071 in macro FRAME_GROWS_DOWNWARD.
7073 * stmt.c (expand_end_bindings): Delete unused variable.
7075 * unroll.c (iteration_info): Mark parameter `loop' with
7078 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7080 * fixinc/server.c (load_data): Return NULL if the marker line is
7082 (run_shell): If load_data returns NULL, retry the command once, in
7085 * configure: Rebuilt.
7087 2000-02-09 Bruce Korb <bkorb@gnu.org>
7089 * gcc/fixincludes: ** DELETED **
7090 * gcc/fixcpp: ** DELETED **
7091 * gcc/fixinc-nt.sed: ** DELETED **
7092 * gcc/just-fixinc: ** DELETED **
7093 * gcc/Makefile.in: Removed out-dated commentary
7094 * gcc/configure.in: Removed fast-fixincludes disablement.
7095 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
7097 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7098 * function.c (thread_prologue_and_epilogue_insns): Uncomment
7101 2000-02-09 Richard Henderson <rth@cygnus.com>
7103 * jump.c (delete_insn): Don't delete user labels at -O0.
7105 2000-02-09 Robert Lipe <robertl@sco.com>
7107 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
7108 Don't link with HOST_LIBS.
7110 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7112 * configure.in: Correct --help text for --with-dwarf2.
7113 Put tm-dwarf2.h after other tm files, if it's requested.
7114 * configure: Regenerate.
7115 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
7118 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7120 * cpplib.h: Provide HASHNODE typedef and forward decl of
7121 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
7122 DEFINITION, struct hashnode, struct macrodef, struct
7123 definition, scan_decls prototype, default defn of
7124 INCLUDE_LEN_FUDGE moved elsewhere.
7126 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
7127 definition, and struct hashnode moved here. Remove the unused
7128 'predefined' field from struct definition. Replace the 'args'
7129 union with its sole member. All users updated (cpphash.c).
7130 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
7131 multiple include guard.
7133 * cpphash.c (hashf): Make static; use better algorithm; drop
7134 HASHSIZE parameter; return an unsigned int.
7135 (cpp_lookup): Drop HASH parameter. PFILE parameter is
7136 used. Calculate HASHSIZE modulus here.
7137 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
7139 (create_definition): Drop PREDEFINITION parameter.
7140 * cpplib.c (do_define): Don't calculate a hash value here.
7141 Don't pass (keyword == NULL) to create_definition.
7143 * scan.h: Prototype scan_decls here.
7144 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
7145 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
7146 callers of cpp_lookup and cpp_install updated.
7148 * cpphash.c (macarg): Hoist all the flag diddling out of the
7150 (macroexpand): ... and out of the loop that calls macarg.
7151 Skip over the initial paren before macro arguments with
7152 cpp_get_non_space_token; point may be some distance before
7153 that paren. Abort if it's not there.
7155 * cpplib.c (parse_clear_mark): Delete function.
7156 (parse_set_mark, parse_goto_mark): Make static.
7157 (ACTIVE_MARK_P): New macro.
7158 (skip_block_comment, skip_line_comment): Do not bump the line
7159 if ACTIVE_MARK_P is true.
7160 (cpp_pop_buffer): The buffer to be popped may not have an
7162 (cpp_get_token): When looking for the initial paren before
7163 macro arguments, only set a mark in a file buffer, Always
7164 return to that mark before proceeding to call macroexpand or
7165 return a NAME token.
7167 * cpplib.h: Remove prototypes of parse_set_mark,
7168 parse_clear_mark, parse_goto_mark.
7169 (struct cpp_options): Rename 'put_out_comments' to
7170 'discard_comments' and invert its sense.
7171 * cppinit.c, cpphash.c, cpplib.c: All users of
7172 put_out_comments changed to use discard_comments, with
7175 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7177 * function.c (thread_prologue_and_epilogue_insns): Don't delete
7178 the edge from a block that both jumps and falls through to the
7181 2000-02-09 Scott Bambrough <scottb@netwinder.org>
7183 * config/arm/arm.md (movsi): In PIC mode, make sure that a
7184 constant source address is legitimate.
7186 2000-02-09 Philip Blundell <pb@futuretv.com>
7188 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
7191 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
7193 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
7195 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7197 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
7198 ends with a newline and a NUL. Don't be so clever manipulating
7201 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
7203 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
7204 not to BIGGEST_ALIGNMENT.
7206 2000-02-08 Geoff Keating <geoffk@cygnus.com>
7208 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
7209 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
7210 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
7211 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
7212 * frame.c (execute_cfa_insn): Handle
7213 DW_CFA_GNU_negative_offset_extended.
7215 2000-02-08 Richard Henderson <rth@cygnus.com>
7217 * flow.c (tidy_fallthru_edges): Split out from ...
7218 (delete_unreachable_blocks): ... here.
7219 (find_basic_blocks): Use it.
7221 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7223 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
7225 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
7227 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
7228 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
7229 (fix-header.o): Don't depend on cpphash.h.
7231 * scan.c (hashstr): New function.
7232 * scan.h: Prototype it.
7233 * fix-header.c: Don't include cpphash.h. Use hashstr.
7234 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
7235 hashstr. Report hash table statistics. Add private
7236 definition of xrealloc.
7238 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7240 * i386.h (TARGET_SWITCHES): Fix typo in option name.
7242 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
7244 * function.c (thread_prologue_and_epilogue_insns): Don't replace
7245 jumps with returns unless they are jumps to the fallthru block.
7247 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7249 * i386.md (addqi3_cc): Fix contraints.
7251 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7253 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7255 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7257 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7258 carriage return after a macro name.
7260 2000-02-07 Fred Fish <fnf@be.com>
7262 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7263 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7265 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7267 * cppfiles.c (deps_output): Count spacers in deps_column.
7269 2000-02-07 Neil Booth <NeilB@earthling.net>
7271 * cppinit.c (initialize_dependency_output): If there is no
7272 suffix, don't try to look for known suffixes. Use strrchr.
7273 (cpp_start_read): Remove duplicate initialization.
7275 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7277 * calls.c (compute_argument_block_size): New argument
7278 preferred_stack_boundary.
7279 (expand_call): update cfun->preferred_stack_boundary, update call of
7280 compute_argument_block_size
7281 (emit_library_call): Increate cfun->preferred_stack_boundary
7282 to PREFERRED_STACK_BOUNDARY
7283 (emit_library_call_value): Likewise.
7284 * explow.c (allocate_dynamic_stack_spave): Likewise.
7285 * function.c (prepare_function_start): Set
7286 cfun->preferred_stack_boundary
7287 * function.h (struct function): Add preferred_stack_boundary field.
7288 * integrate.c (expand_inline_function): Update
7289 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7290 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7291 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7293 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7295 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7296 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7297 cpp_pedwarn, cpp_pedwarn_with_line,
7298 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7299 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7300 v_cpp_error_with_line, v_cpp_warning_with_line,
7301 cpp_message_from_errno, cpp_perror_with_name): Delete.
7303 * cpperror.c (cpp_print_containing_files): Take starting
7305 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7306 (v_cpp_message): Now called directly by all entry points.
7308 (cpp_pfatal_with_name, cpp_message): Delete.
7309 (cpp_notice_from_errno, cpp_ice): New functions.
7310 (cpp_notice): Is now for reporting error conditions, just
7311 without an associated file.
7312 (cpp_error, cpp_error_with_line): Don't do anything if
7313 opts->inhibit_errors is on.
7314 (cpp_pedwarn_with_file_and_line): Take column argument also.
7316 * cpplib.h: Update prototypes of exported functions.
7317 (struct cpp_options): Add inhibit_errors.
7319 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7320 non-error messages. Include intl.h.
7322 * cppinit.c, cppmain.c: Likewise. Also, use
7323 cpp_notice_from_errno instead of cpp_perror_with_name or
7324 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7326 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7327 report internal errors.
7329 * cpplib.c (do_define): Switch bcopy to memcpy.
7330 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7332 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7333 bail out early if we hit a line comment.
7335 2000-02-06 Richard Henderson <rth@cygnus.com>
7337 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7338 * basic-block.h: Declare them.
7339 * emit-rtl.h (active_insn_p): New.
7340 (next_active_insn, prev_active_insn): Use it.
7341 * rtl.h: Declare it.
7342 * function.c (emit_return_into_block): New.
7343 (thread_prologue_and_epilogue_insns): Insert return insns instead
7344 of epilogues when possible.
7345 * jump.c (jump_optimize_1): Remove code to insert a return insn
7346 on the fallthru to the exit block.
7348 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7349 and for non-empty stack frames.
7350 * i386.md (return): Expand to return-pop as needed.
7352 2000-02-06 Richard Henderson <rth@cygnus.com>
7354 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7355 constant to op1 for testing.
7357 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7359 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7360 (fixuns_truncqfqi2): Use it.
7362 2000-02-06 Richard Henderson <rth@cygnus.com>
7364 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7367 * i386.md (widening and peepholes): Mask the constant instead of
7370 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7372 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7373 input pointer before possibly branching off to the backslash
7375 * cpphash.c (macroexpand): Correctly delete \r escapes when
7376 stringifying parameters.
7377 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7378 if we can; bail out early if we hit a line comment.
7379 (handle_directive): Treat '# 123' in an .S file just like
7380 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7381 Return 1 for '# not_a_directive'.
7382 (get_directive_token): Pop macro buffers here, so that
7383 cpp_get_token can't sneakily move past a newline.
7385 (cpp_get_token): goto randomchar if handle_directive returns 0.
7387 * cppalloc.c: Update copyright.
7388 * cpplib.c: Merge all the static function prototypes into one
7390 * cpplib.h: Remove #if 0 block.
7392 * cpperror.c: Remove #ifdef EMACS block.
7393 * cppmain.c: Likewise.
7394 * cpphash.c: Remove #if 0 blocks.
7395 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7396 * cpplib.c: Remove #if 0 blocks and code referencing
7397 pcp_inside_if or for_lint. Remove duplicate error message.
7398 Fix error messages for #else after #else or #elif. Reformat.
7399 Remove archaic TODO list.
7400 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7402 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7404 * i386/osf1elf.h: Add missing backslash to multiline string.
7406 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7410 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7412 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7414 * c-common.c: Include expr.h.
7416 * c-pragma.c (mark_align_stack): Add prototype.
7418 * caller-save.c (add_stored_regs): Likewise.
7420 * combine.c (record_promoted_value): Likewise.
7422 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7425 * cppinit.c (new_pending_define): Likewise.
7427 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7429 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7430 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7431 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7432 class_scope_p): Likewise.
7434 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7435 dwarf2out_add_library_unit_info): Likewise.
7437 * ggc.h (ggc_page_print_statistics): Likewise.
7439 * haifa-sched.c (propagate_deps): Likewise.
7441 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7443 * rtl.h (set_stack_check_libfunc): Likewise.
7445 * toplev.h (set_fatal_function): Likewise.
7447 * toplev.c (set_fatal_function): Delete prototype.
7449 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7451 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7453 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7454 (FUNC_END): Likewise.
7456 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7458 * caller-save.c: Include tm_p.h.
7460 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7462 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7464 2000-02-04 Neil Booth <NeilB@earthling.net>
7466 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7469 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7471 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7472 * genflags.c: Use the max_operand_1 logic from genemit.c to
7473 calculate how many arguments gen_insn prototypes have. Remove
7474 NO_MD_PROTOTYPES ifdefs from the generated file.
7475 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7476 file. Cast gen_insn initializers to insn_gen_fn.
7477 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7478 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7480 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7482 * fixinc/Makefile.in (HDR): Add machname.h.
7485 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7487 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7488 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7489 (c4x_cpu_version): Ditto.
7490 * config/c4x/c4x-protos.h: ... here.
7492 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7494 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7495 gen_abstract_function on our context if we're a nested function.
7497 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7499 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7500 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7502 2000-02-04 Bruce Korb <bkorb@gnu.org>
7504 * fixinc/genfixes(machname.h):
7505 Move the functionality from gen-machine.h into this file.
7506 UNdef MN_NAME_PAT if there are no names to change.
7507 Also, be a little kinder when AutoGen is not present.
7509 * fixinc/Makefile.in(machname.h):
7510 Change the generation rule to use genfixes.
7512 * fixinc/fixfixes.c(machine_name):
7513 machine_name_fix's functionality now dependent upon whether
7514 MN_NAME_PAT is defined.
7516 * fixinc/fixtests.c(machine_name):
7519 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7522 * fixinc/fixlib.h(mn_get_regexps):
7525 * fixinc/gen-machine.h: DELETED
7527 2000-02-04 Jan Hubicka <jh@suse.cz>
7528 Richard Henderson <rth@cygnus.com>
7530 * i386.c (SAVE_REGS_FIRST): Remove.
7531 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7532 (ix86_compute_frame_size): Likewise.
7533 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7534 (ix86_emit_restore_regs): Remove.
7535 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7536 when a frame pointer is in use.
7537 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7538 instead of pop to restore a register when profitable; emit leave
7540 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7542 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7543 * i386.md (prologue_allocate_stack): Remove.
7544 (epilogue_deallocate_stack): Remove.
7545 (pro_epilogue_adjust_stack): New.
7547 2000-02-04 Richard Henderson <rth@cygnus.com>
7549 * function.c (diddle_return_value): Rework to use a callback function.
7550 Use current_function_return_rtx if it's been set up.
7551 (do_clobber_return_reg, clobber_return_register): New.
7552 (do_use_return_reg, use_return_register): New.
7553 (expand_function_end): Use them.
7554 * stmt.c (expand_null_return): Likewise.
7555 * function.h: Declare them.
7556 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7557 (mark_reg): Change arguments as appropriate for callback.
7558 * integrate.c (expand_inline_function): Revert 19 Jan change.
7560 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7562 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7563 (Misc): Say the scheduler, not the Haifa scheduler.
7565 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7567 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7568 when in_mem is set. Update all callers.
7570 2000-02-04 Richard Henderson <rth@cygnus.com>
7572 * i386/openbsd.h (INT_ASM_OP): Define.
7574 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7576 * tm.texi: Fix various typos.
7578 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7580 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7581 (MD_STARTFILE_PREFIX_1): New macro.
7583 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7585 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7586 destination when needed.
7587 (strmovsi, strsetsi): New expander.
7588 (strmovsi_1, strsetsi_1): New pattern.
7589 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7590 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7591 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7592 * invoke.texi (align-stringops, inline-all-stringops): Document.
7594 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7596 * i386/netbsd.h (INT_ASM_OP): Define.
7598 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7600 * cpplib.h (cpp_reader): Add new flag, no_directives.
7601 * cpphash.c (macarg): Set it.
7602 * cpplib.c (handle_directive): If no_directives is on and we
7603 find a directive, issue an error and discard the line.
7605 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7607 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7608 FP constants. Add ! TARGET_FPU check for FP constants.
7610 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7612 * flow.c (find_basic_blocks): Don't kill label_value_list
7614 (cleanup_cfg): Kill it here.
7616 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7618 * expr.c (store_field): Ensure ALIGN is no stricter than the
7621 2000-02-02 Richard Henderson <rth@cygnus.com>
7623 * jump.c (delete_insn): Partially revert 19 Jan change;
7624 don't convert unused code labels to notes at -O0.
7626 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7628 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7629 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7631 2000-02-01 Richard Henderson <rth@cygnus.com>
7633 * i386.c (general_no_elim_operand): New.
7634 (nonmemory_no_elim_operand): New.
7635 (ix86_expand_move): Copy eliminable operands before a push.
7636 * i386-protos.h: Declare new functions.
7637 * i386.h (CAN_ELIMINATE): Simplify.
7638 (PREDICATE_CODES): Update.
7639 * i386.md (push insns): Don't allow eliminable register operands.
7641 2000-02-01 Richard Henderson <rth@cygnus.com>
7643 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7644 replace BLKmode with DECL_RTL's mode.
7646 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7648 * frame.c (find_fde): Convert for loop to do-while so compiler
7649 sees it's always executed at least once.
7650 * libgcc2.c (BBINBUFSIZE): Kill.
7651 (__bb_init_prg): Use fgets.
7652 (__bb_exit_trace_func): Don't paste strings.
7653 * unroll.c (unroll_loop): Initialize unroll_type, not
7654 unroll_number, and tweak logic to match.
7656 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7658 (ix86_flags_dependant): Likewise. Disentangle control flow.
7659 (ix86_sched_reorder): Break guts out to
7660 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7661 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7664 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7665 use string concatenation. Don't save and restore esi.
7667 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7668 (machname.h): Remove script to separate file. Use two-step
7669 sequence so target is not created if script fails.
7670 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7671 identifiers are defined.
7672 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7673 an empty string, machine_name doesn't need to do anything at
7675 (is_cxx_header): Add more cases to regexp.
7676 * fixinc/fixlib.h: Update prototype.
7677 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7679 * fixinc/fixincl.c: Define NO_BOGOSITY.
7681 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7682 (hp_sysfile): Add missing comma.
7683 (math_exception): Put the wrapper ifdefs at the beginning and
7684 the end of the file.
7685 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7687 2000-02-01 Richard Henderson <rth@cygnus.com>
7689 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7690 Use CONST0_RTX. Update all callers.
7691 * sparc.h, sparc-protos.h: Update accordingly.
7692 * sparc.md (fp mov insns): Use fp_zero_operand directly
7695 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7697 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7700 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7702 * Makefile.in (specs.ready): New target.
7703 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7705 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7707 * fixinc.irix: Use unique filenames for writing into /tmp,
7708 * fixinc.ptx: Likewise.
7709 * fixinc.sco: Likewise.
7710 * fixinc.svr4: Likewise.
7711 * fixinc.winnt: Likewise.
7713 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7715 * tsystem.h: New file.
7717 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7718 s-crtS): Depend on tsystem.h.
7720 * crtstuff.c: Include tsystem.h.
7721 * frame.c: Likewise.
7722 * libgcc2.c: Likewise.
7724 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7726 * builtins.c (expand_builtin_memset): Expand for variable sized
7729 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7731 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7734 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7736 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7738 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7740 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7742 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7743 case 3->2 combining (combining with splitting) in which 2 is CC0
7744 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7745 checked at the begining of the function with the aid of calling
7746 function 'can_combine_p'.
7748 2000-01-31 Dave Brolley <brolley@redhat.com>
7750 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7752 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7754 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7757 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7759 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7761 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7764 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7766 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7767 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7768 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7769 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7770 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7771 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7772 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7773 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7774 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7775 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7777 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7778 Add %(cpp_cpu) to CPP_SPEC.
7780 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7781 Add %(cc1_cpu) to CC1_SPEC.
7783 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7785 * c-decl.c (c_decode_option): Accept optional numeric argument to
7786 -Wformat and set warn_format.
7787 * c-common.c: Don't emit warning about non-constant printf format
7788 string unless warn_format > 1.
7790 2000-01-30 Richard Henderson <rth@cygnus.com>
7792 * alpha.md (return_internal): Allow after reload only.
7794 2000-01-30 Richard Henderson <rth@cygnus.com>
7796 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7797 local frame size is zero.
7799 2000-01-30 Richard Henderson <rth@cygnus.com>
7801 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7802 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7803 * alpha.md (return): Turn into an expander.
7804 (return_internal): Don't use $26.
7805 (epilogue): Emit the return insn.
7807 2000-01-30 Richard Henderson <rth@cygnus.com>
7809 * alpha.md (negtf2, abstf2): Fix word order thinko.
7811 (trunctfsf2): Avoid intermediate rounding errors.
7813 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7815 * cppfiles.c (find_position): Drop 'colp' argument, return the
7817 (read_and_prescan): Adjust to match. Don't ever manipulate
7818 line or line_base except via find_position.
7820 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7822 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7823 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7826 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7828 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7829 just print "<command line>". If 'filename' is null or an
7830 empty string, print "<stdin>" for the filename.
7831 * cpplib.c (do_define): Don't print the 'location of the
7832 previous definition' message if we're still parsing the
7834 (cpp_pedwarn_with_file_and_line): Always call
7835 cpp_file_line_for_message.
7837 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7839 * flow.c (mark_regs_live_at_end): Fix typo.
7841 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7843 * c-common.c: Adjust variable names, comments, help strings to c99.
7844 * c-lex.c: Likewise.
7845 * c-parse.y: Likewise.
7846 * c-tree.h: Likewise.
7848 * cpplib.h: Likewise.
7849 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7850 * cppinit.c: Likewise.
7852 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7854 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7855 * c4x.c: Define the optab rtx values.
7856 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7857 (c4x_emit_libcall): Use new optab rtx values.
7858 (c4x_emit_libcall3): Likewise.
7859 (c4x_emit_libcall_mulhi): Likewise.
7860 * c4x-protos.h: Add prototypes for optab rtx values and change
7861 prototypes for above c4x_emit_libcall functions.
7863 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7865 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7867 (c4x_function_prologue): Use regnames intead of float_reg_names when
7869 (c4x_function_epilogue): Likewise.
7870 (c4x_print_operand): Likewise.
7871 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7872 * c4x.md (set_high): Disable for TARGET_TI.
7874 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7876 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7877 of framepointer + constant to ADDR_REGS class.
7878 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7879 * c4x.c (std_or_reg_operand): New function.
7880 * c4x-protos.h (std_or_reg_operand): Prototype it.
7882 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7884 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7885 object names as libgcc2.c.
7886 * libgcc.S: Use newly defined names.
7888 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7889 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7891 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7892 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7893 (FLOW_LOOP_LAST_BLOCK): Likewise.
7895 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7897 * basic-block.h (struct loop): New fields 'first' and 'last'.
7898 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7899 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7900 and loop->last to check for NOTE_INSN_LOOP_END.
7902 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7904 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7905 of the loop descriptor rather than HEADER and LATCH. Also added
7906 missing break statements as well making some coding style modifications
7907 as suggested by Michael Hayes.
7909 2000-01-28 Richard Henderson <rth@cygnus.com>
7911 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7912 Break out that code ...
7913 (cleanup_cfg): ... here.
7914 (commit_one_edge_insertion): Detect a return instruction being
7915 emitted to an edge. Emit a barrier following; clear fallthru.
7916 (commit_edge_insertions): Verify CFG consistency.
7917 * function.c (expand_function_start): Kill unused variable.
7918 (expand_function_end): Likewise.
7919 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7920 to insert the epilogue.
7922 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7923 (delete_null_pointer_checks): Likewise.
7924 * output.h: Likewise.
7925 * reg-stack.c (reg_to_stack): Likewise.
7926 * toplev.c (rest_of_compilation): Likewise. Run
7927 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7929 2000-01-28 Richard Henderson <rth@cygnus.com>
7931 * Makefile.in (flow.o): Revert 24 Jan change.
7932 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7933 FUNCTION_VALUE result to DECL_RESULT's mode.
7935 * haifa-sched.c (schedule_insns): Don't recompute reg info
7938 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7940 * configure.in: Make --enable-cpplib the default.
7941 * configure: Regenerate.
7942 * gcc.dg/990119-1.c: No longer expected to fail.
7944 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7946 * jump.c (jump_optimize_1): Delete an optimization that is also done
7947 by merge_blocks in flow.
7949 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7951 * diagnostic.c (build_message_string, output_printf,
7952 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7953 (build_location_prefix): Fix non-literal format string.
7955 2000-01-27 Richard Henderson <rth@cygnus.com>
7957 * alpha.md (trunctfsf2): New.
7959 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7961 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7963 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7965 * cppinit.c (cpp_handle_option): Recognize C++ comments under
7967 * cpplib.c (skip_block_comment, skip_line_comment): Split code
7969 (skip_comment) ... here. Permit C++ comments in system
7970 headers always. Warn about C++ comments in user code under
7971 -std=gnu89 -pedantic.
7972 (copy_comment): Use skip_comment.
7973 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
7975 (consider_directive_while_skipping, do_else, do_endif): Call
7976 validate_else unconditionally.
7977 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
7978 text after the conditional in a system header.
7979 * cpplib.h (struct cpp_buffer): Add flag
7980 warned_cplusplus_comments.
7982 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7984 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
7985 Use unshare_all_rtl_1.
7986 (unshare_all_rtl_again): New function.
7987 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
7989 * function.c (purge_addressof_1): Use unshare_all_rtl_again
7990 rather than resetting the 'used' flags ourself.
7992 * toplev.c (rest_of_compilation): Add current_function_decl
7993 to the unshare_all_rtl call.
7994 * tree.h: Prototype unshare_all_rtl.
7995 * rtl.h: Prototype unshare_all_rtl_again here.
7997 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
7999 * genoutput.c (output_prologue): Include ggc.h in generated
8001 * Makefile.in (insn-output.o): Depends on ggc.h.
8003 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
8004 Hans-Peter Nilsson <hp@bitrange.com>
8006 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
8007 Remove redundant include of xm-ns32k.h.
8008 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
8009 Remove redundant include of xm-ns32k.h.
8010 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
8011 Remove redundant include of xm-ns32k.h.
8012 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
8014 * ns32k/ns32k.h: Update comment on multiply-add instructions.
8015 (TARGET_SWITCHES): Add documentation strings.
8016 (DWARF_FRAME_REGNUM): Override default definition.
8017 (REG_CLASS_CONTENTS): Add comments.
8018 (SUBSET_P): Format to reduce line length.
8019 (SMALL_REGISTER_CLASSES): Make a run time option.
8020 (GO_IF_NONINDEXED_ADDRESS): Reformat.
8021 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
8022 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
8023 (regclass_map): fix typo in comment.
8024 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
8025 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
8026 (trace, reg_or_mem_operand): Delete, unused function.
8027 (calc_address_cost): Small offsets are cheaper than large ones.
8028 (expand_block_move): Generate more efficient code when bytes is a
8029 known at compile time.
8030 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
8031 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
8032 instead of reg_or_mem_operand.
8034 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
8035 not general_operand. Similarly use "=rm" or stricter, not "=g".
8036 For input operands, use stricter constraints than "g" if not
8037 general_operand. Similarly use stricter predicate than
8038 "general_operand" when stricter constraints than "g" are present,
8039 except for matching constraints.
8040 (movstrsi): Use "memory_operand" for operands 0 and 1.
8041 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
8042 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
8043 not reg_or_mem_operand.
8044 (udivmoddisi4): Ditto.
8045 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
8046 Use nonimmediate_operand for operand 3, not register_operand.
8047 (udivmoddiqi4_internal): Use register_operand for operand 1, not
8050 2000-01-27 Fred Fish <fnf@be.com>
8052 * gthr-posix.h: Fix typo; compatibily -> compatibility.
8053 * gthr-single.h: Likewise.
8054 * gthr-solaris.h: Likewise.
8055 * gthr-vxworks.h: Likewise.
8056 * gthr-win32.h: Likewise.
8059 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8061 * cppinit.c: Add " (cpplib)" to end of string printed by
8064 2000-01-27 Richard Henderson <rth@cygnus.com>
8066 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
8067 testing for a signed comparison.
8068 (alpha_emit_floatuns): New.
8069 * alpha-protos.h: Declare it.
8070 * alpha.md (floatunsdisf2, floatunsdidf2): New.
8071 (extendsfdf2): Tidy.
8073 2000-01-27 Jakub Jelinek <jakub@redhat.com>
8075 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
8076 no -g option specifying debugging format, default to -gstabs+.
8078 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8080 * calls.c (special_function_p): New argument fork_or_exec.
8081 (expand_call): When profile_arc_flag is set and the function
8082 is in the fork_or_exec group, call __bb_fork_func first.
8083 * libgcc2.c, _bb module (__bb_fork_func): New function.
8084 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
8086 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
8087 * tree.h (special_function_p): Update prototype.
8089 2000-01-26 Richard Henderson <rth@cygnus.com>
8091 * alpha.c (alpha_split_tfmode_pair): New.
8092 * alpha-protos.h: Declare it.
8093 * alpha.md (abstf2, negtf2): New.
8094 (movtf insn): Add input G constraint.
8095 (movtf splitter): Use alpha_split_tfmode_pair.
8097 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8099 * i386/cygwin.h: PROTO -> PARAMS.
8101 2000-01-26 Jakub Jelinek <jakub@redhat.com>
8103 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
8104 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
8105 using _Qp_cmp/_Q_cmp and testing the return value.
8106 (print_operand): Call reverse_condition_maybe_unordered if
8107 we are handling CCFPmode or CCFPEmode.
8108 Handle ORDERED, UN* and LTGT comparisons.
8109 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
8110 if not TARGET_HARD_QUAD.
8111 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
8112 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
8113 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
8114 Adjust gen_b* calls so that they reflect return comparison of
8115 sparc_emit_float_lib_cmp.
8117 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8119 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
8120 incoming operands array is large enough for one more operand.
8121 (alpha_emit_xfloating_arith): Likewise.
8123 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8125 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
8126 file with one line and no trailing newline.
8127 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
8128 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
8129 checking if the match is on the line.
8130 * fixinc/gnu-regex.c: Provide regerror not __regerror.
8132 2000-01-25 Richard Henderson <rth@cygnus.com>
8134 * sparc.c (output_cbranch): Fix accidental squashing of the
8135 fp branch pre-delay nop.
8137 2000-01-25 Richard Henderson <rth@cygnus.com>
8139 * tree.def (UNNE_EXPR): Remove.
8140 * c-typeck.c (build_binary_op): Don't handle it.
8141 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
8143 * rtl.def (UNNE): Remove.
8145 * jump.c (reverse_condition): Update accordingly.
8146 (swap_condition): Likewise.
8147 (comparison_dominates_p): Handle unordered comparisons.
8148 (reverse_condition_maybe_unordered): New.
8149 * rtl.h (reverse_condition_maybe_unordered): Declare.
8151 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
8152 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
8153 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
8154 * sparc.md (bltgt): New.
8156 2000-01-25 Nick Clifton <nickc@redhat.com>
8158 * emit-rtl.c (emit_insn): Only check machine class insns for
8159 improper emission of a RETURN.
8161 2000-01-25 Richard Henderson <rth@cygnus.com>
8163 * Makefile.in (flow.o): Depend on $(EXPR_H).
8164 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
8165 duplicate the structure of diddle_return_value for keeping regs live.
8167 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8169 * loop.c (current_loop_info): Delete.
8170 (consec_sets_invariant_p): Add loop argument, update callers.
8171 (get_condition_for_loop): Likewise.
8172 (count_nonfixed_reads, update_giv_derive): Likewise.
8173 (simplify_giv_expr, general_induction_var): Likewise.
8174 (consec_sets_giv, recombine_givs): Likewise.
8175 (move_movables): Delete loop_start and loop_end arguments,
8176 add loop argument, and update callers.
8177 (find_mem_givs, check_final_value): Likewise.
8178 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
8179 (loop_invariant_p): Rename from invariant_p, add loop argument, and
8181 (basic_induction_var): Add loop argument, delete loop_level argument,
8183 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
8184 add loop argument, and update callers.
8185 (find_splittable_regs, find_splittable_givs): Likewise.
8186 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
8187 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
8188 (biv_total_increment): Delete loop_start and loop_end arguments;
8190 (precondition_loop_p): Delete loop_start and loop_info arguments;
8192 * loop.h (get_condition_for_loop): Add loop argument.
8193 (biv_total_increment): Delete loop_start and loop_end arguments.
8194 (precondition_loop_p): Delete loop_start and loop_info arguments;
8196 (final_biv_value): Delete loop_start and loop_end arguments;
8198 (final_giv_value, back_branch_in_range_p): Likewise.
8200 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8202 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
8204 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8206 * Makefile.in (c-gperf.h) : Change the "See" pointer to
8207 point to the new "generated_files" doc.
8209 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8211 * config/fp-bit.c (_unord_f2): Fix typo.
8213 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8215 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
8216 c-typeck.c, objc/objc-act.c: Remove all references to obstack
8217 functions obsoleted by GC, such as push_obstacks_nochange,
8218 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
8219 and code which existed only to decide whether or not to call
8220 them. Remove now-unused NESTED argument from start_function;
8221 all callers changed. Do not change behavior based on ggc_p.
8222 The use of the ixp_obstack in c-iterate.c and the util_obstack
8223 in objc/objc-act.c remain; these are not obsoleted by garbage
8225 * c-tree.h: Update prototype for start_function.
8227 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
8229 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8231 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
8234 2000-01-25 Richard Henderson <rth@cygnus.com>
8236 * sparc-protos.h (select_cc_mode): Declare.
8237 * sparc.c (select_cc_mode): New. Handle unordered compares.
8238 (output_cbranch): Always reverse via code change. Handle
8239 unordered compares. Factor tests and string updates.
8240 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
8241 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
8242 * sparc.md (bunordered, bordered): New.
8243 (bungt, bunlt, buneq, bunge, bunle): New.
8245 2000-01-25 Richard Henderson <rth@cygnus.com>
8247 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8248 * ggc-common.c (ggc_add_rtx_varray_root): New.
8249 (ggc_mark_rtx_varray): New.
8250 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8251 functions down below ggc_mark_foo.
8252 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8254 2000-01-25 Richard Henderson <rth@cygnus.com>
8256 * alpha.c (secondary_reload_class): Don't allocate a secondary
8257 for integral mode memories into FLOAT_REGS. Rearrange the more
8258 complicated memory expression inward.
8260 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8262 * inclhack.def: Fixes to play nicer with FreeBSD, and
8263 corrections to comments.
8264 (cxx_unready): Add select expression.
8265 (irix_sockaddr): Add bypass expression.
8266 (machine_ansi_h_va_list): New fix.
8267 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8268 Split out addition of "#include <stdarg.h>" to...
8269 (stdio_stdarg_h): ... here.
8270 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8271 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8272 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8274 (ultrix_ifdef): Tighten up select expression.
8276 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8277 re_ct and max_mach to avoid use of shell. Make printed names
8278 match names in inclhack.def. Use static copyright date.
8279 Don't count c_test and test expressions as requiring regex_t
8280 slots. Add some commentary.
8281 * inclhack.tpl: Do not include the 'This script contains N
8282 fixup scripts' line if PROGRAM is defined. Use static
8285 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8287 * dwarf2out.c: include "varray.h", not dyn-string.h.
8288 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8289 (addr_const_to_string, addr_to_string): Lose.
8290 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8291 (struct dw_val_struct): val_addr is now an rtx.
8292 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8293 (used_rtx_varray): New varray.
8294 (dwarf2out_init): Initialize it.
8296 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8298 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8299 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8300 * Makefile.in (dwarf2out.o): Update dependencies.
8302 2000-01-24 Richard Henderson <rth@cygnus.com>
8304 * i386.c (i386_dwarf_output_addr_const): New.
8305 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8307 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8309 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8310 * i386.c (i386_simplify_dwarf_addr): New.
8311 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8313 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8315 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8316 TYPE_STUB_DECL is NULL.
8318 2000-01-24 Richard Henderson <rth@cygnus.com>
8320 * builtins.c (expand_tree_builtin): Move ...
8321 * c-common.c (expand_tree_builtin): ... here.
8323 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8325 * loop.h (LOOP_INFO): New accessor macro.
8326 * basic-block.h (struct loop): Rename field `info' to `aux'.
8327 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8328 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8329 * unroll.c (loop_iterations, unroll_loop): Likewise.
8331 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8333 * config/i386/t-cygwin: Accomodate new winsup directory layout
8334 when searching for include files.
8336 2000-01-24 Richard Henderson <rth@cygnus.com>
8338 * rtl.def: Add unordered fp comparisions.
8339 * tree.def: Likewise.
8340 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8342 * builtins.c (expand_tree_builtin): New function.
8343 * c-typeck.c (build_function_call): Use it.
8344 (build_binary_op): Support unordered compares.
8345 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8347 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8348 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8349 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8350 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8351 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8353 (swap_condition): Handle unordered compares.
8354 (thread_jumps): Check can_reverse before reversing.
8355 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8358 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8359 setcc is present before acking for cmp_optab. Update all callers.
8360 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8361 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8362 * expr.c (expand_expr): Likewise. Support unordered compares.
8363 (do_jump, do_store_flag): Likewise.
8364 * expr.h (enum libfunc_index): Add unordered compares.
8366 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8367 (DPBIT_FUNCS): Add _unord_df.
8368 * config/fp-bit.c (_unord_f2): New.
8369 * fp-test.c (main): Try unordered compare builtins.
8371 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8372 * alpha.c (alpha_comparison_operator): Check mode properly.
8373 (alpha_swapped_comparison_operator): Likewise.
8374 (signed_comparison_operator): Likewise.
8375 (alpha_fp_comparison_operator): New.
8376 (alpha_emit_conditional_branch): Handle unordered compares.
8377 * alpha.h (PREDICATE_CODES): Update.
8378 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8379 (bunordered, bordered): New.
8381 2000-01-24 Richard Henderson <rth@cygnus.com>
8383 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8384 * alpha.md (movtf): New expander, insn, and splitter.
8386 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8388 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8391 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8393 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8394 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8395 REG_ALLOC_ORDER): Add frame pointer
8396 (FRAME_POINTER_REGNUM): Set to 20
8397 (HARD_FRAME_POINTER_REGNUM): New macro.
8398 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8399 to HARD_FRAME_POINTER.
8400 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8401 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8402 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8403 (HI_REGISTER_NAMES): Add "frame".
8404 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8405 (debug_reg): Handle FRAME_POINTER_REGNUM.
8406 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8407 GENERAL_REGS and INDEX_REGS.
8408 * i386.c (SAVED_REGS_FIRST): new macro.
8409 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8410 (ix86_decompose_address, memory_address_length): Likewise.
8411 (regclass_map): Add frame pointer.
8412 (call_insn_operand): Handle frame_pointer_rtx.
8413 (reg_no_sp_operand): Likewise.
8414 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8415 (print_operand, legitimize_pic_address): Fix formating.
8416 (ix86_compute_frame_size): Make static, update prototype, new
8417 parameters padding1, padding2, use ix86_nsaved_regs, use
8418 stack_alignment_needed.
8419 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8420 to HARD_FRAME_POINTER_REGNUM conversions.
8421 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8422 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8423 (print_reg): Abort on FRAME_POINTER_REGNUM
8425 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8427 * i386.h (PREDICATE_CODES): Add aligned_operand.
8428 * i386.c (aligned_operand): New function.
8429 (ix86_aligned_p): Kill.
8430 * i386.md (movhi_1): Emit mov for aligned operands.
8431 (promoting peep2s): Use aligned_operand.
8433 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8435 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8436 expression to allow underscores in macro names.
8437 (fix_char_macro_defines): Increment scanning pointer.
8439 2000-01-23 Richard Henderson <rth@cygnus.com>
8441 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8442 * alpha/osf5.h: New file.
8443 * configure.in (alpha-*-osf5): Add it to tm_file.
8445 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8447 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8448 (alpha_emit_xfloating_cvt, function_arg): Declare.
8449 * alpha.c (alpha_emit_conditional_branch): Call
8450 alpha_emit_xfloating_compare for TFmode compares.
8451 (alpha_lookup_xfloating_lib_func): New.
8452 (alpha_compute_xfloating_mode_arg): New.
8453 (alpha_emit_xfloating_libcall): New.
8454 (alpha_emit_xfloating_arith): New.
8455 (alpha_emit_xfloating_compare): New.
8456 (alpha_emit_xfloating_cvt): New.
8457 (print_operand): Add default abort case.
8458 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8459 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8460 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8461 (RETURN_IN_MEMORY): True for TF/TCmode.
8462 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8463 (FUNCTION_ARG): Move to function_arg.
8464 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8465 (ASM_OUTPUT_LONG_DOUBLE): New.
8466 (ASM_OUTPUT_DOUBLE): Always output bits.
8467 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8468 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8469 (extenddftf2, trunctfdf2): New.
8471 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8473 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8474 * config/sparc/sol2.h: ... here.
8476 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8478 * basic-block.h (struct loops): New field `levels'.
8479 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8480 (flow_loop_level_compute): Initialise level to 1.
8481 (flow_loops_find): Set loops->levels.
8482 (flow_loops_dump): Print loops->levels.
8484 2000-01-23 Richard Henderson <rth@cygnus.com>
8486 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8487 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8489 2000-01-23 Richard Henderson <rth@cygnus.com>
8491 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8492 * i386.h (DBX_REGISTER_NUMBER): Use them.
8493 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8494 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8495 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8496 * i386/sequent.h: Kill incorrect comment.
8498 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8500 * ggc-page.c (struct page_entry): Make `context_depth' an
8502 (struct globals): Likewise.
8504 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8506 * loop.c (check_dbra_loop): When checking a loop for
8507 reversability, check the source of any stores to ensure
8508 they don't depend on an initial value.
8510 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8512 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8514 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8516 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8517 'pz_scan' into scope of entire function. Only affects
8518 compiles with -DDEBUG.
8520 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8522 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8523 section naming to that prior to 2000-01-07 patch.
8524 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8525 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8526 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8527 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8528 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8530 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8532 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8535 2000-01-21 Jim Wilson <wilson@cygnus.com>
8537 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8538 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8540 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8542 * cpphash.c (change_newlines): Delete function.
8543 (struct argdata): Delete 'newlines' and 'use_count' fields.
8544 (macroexpand): Remove code referencing those fields.
8546 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8548 * loop.c (loops_info): New variable.
8549 (loop_optimize): Allocate loops->array and free it on exit.
8550 Allocate memory for loops_info and assign to each loop,
8552 (find_and_verify_loops): Do not allocate loops->array.
8554 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8556 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8558 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8560 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8561 pseudos if expanded after first flow.
8562 (movdi_pic_label_ref): Likewise.
8564 2000-01-20 Richard Henderson <rth@cygnus.com>
8566 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8568 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8570 * Makefile.in (fixinc.sh): Depend on specs.
8571 * fixinc/Makefile.in: Add rule to create machname.h.
8572 (fixlib.o): Depend on machname.h.
8573 * fixinc/fixtests.c (machine_name): New test.
8574 * fixinc/fixfixes.c (machine_name): New fix.
8575 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8576 the machine_name test and fix.
8577 * fixinc/fixlib.h: Prototype it.
8578 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8579 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8581 * gcc.c (do_spec_1) [case P]: Take care not to create
8582 identifiers with three leading or trailing underscores.
8584 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8585 (fixincl): Don't specify libraries twice on link line.
8586 (gnu-regex.o): Remove special rule.
8587 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8588 defined by config.h. Do not define _REGEX_RE_COMP.
8589 (regcomp): Allocate and initialize a fastmap.
8590 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8592 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8594 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8596 2000-01-19 Richard Henderson <rth@cygnus.com>
8598 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8599 arguments with BB. Update all callers. Tidy line wrapping.
8601 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8603 * emit-rtl.c (try_split): Return last_insn if we split the
8606 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8608 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8609 (ix86_initial_elimination_offset): Declare.
8610 * i386.c (ix86_nsaved_regs): Break out from ...
8611 (ix86_can_use_return_insn_p): ... here.
8612 (ix86_emit_save_regs): Break out from ...
8613 (ix86_expand_prologue): ... here.
8614 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8616 (ix86_expand_epilogue): ... here.
8617 (ix86_compute_frame_size): Make static, add prototype.
8618 (ix86_initial_elimination_offset): Break out from ...
8619 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8621 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8623 * recog.h (OUT_FCN): Delete.
8625 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8627 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8629 * cppalloc.c: PROTO -> PARAMS.
8630 * cpperror.c: Likewise.
8631 * cppfiles.c: Likewise.
8632 * cpplib.c: Likewise.
8633 * cpplib.h: Likewise.
8635 * config/arm/arm-protos.h: PROTO -> PARAMS.
8636 * config/arm/arm.c: Likewise.
8637 * config/c4x/c4x.c: Likewise.
8638 * config/fr30/fr30-protos.h: Likewise.
8639 * config/nextstep.c: Likewise.
8640 * config/pa/pa.c: Likewise.
8641 * config/pj/pj.c: Likewise.
8642 * config/rs6000/rs6000.c: Likewise.
8643 * config/v850/v850-protos.h: Likewise.
8644 * config/v850/v850.c: Likewise.
8646 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8648 * i370-protos.h: New file.
8650 * i370.c: Include tm_p.h. Fix compile time warnings.
8652 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8655 * i370.md: Likewise.
8657 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8659 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8660 (target_isinf, target_isnan, eisnan): Mark parameter with
8662 (eiisinf): Wrap in INFINITY.
8663 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8664 (ibmtoe): Remove unused variable `rndsav'.
8666 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8668 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8669 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8671 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8673 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8674 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8675 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8677 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8678 Recognize Emacs mode markers also.
8679 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8680 C++ comments in C++ headers. Call is_cxx_header only if
8683 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8685 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8686 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8687 ... these, which use the new C fixes.
8688 (math_exception): Escape literal '+' in bypass expression.
8690 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8693 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8695 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8698 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8700 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8701 prior to calling scan_loop.
8703 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8705 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8706 (split_branches, calc_live_regs): Likewise.
8708 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8710 * sh.md (fpu_single, fp_mode): New attributes.
8712 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8714 * loop.c (current_loop_info): Renamed from loop_info_data
8715 and changed to a pointer.
8716 (loop_optimize): Allocate loop_info structure for each loop
8717 and initialise to zero.
8718 (scan_loop): Set current_loop_info.
8720 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8723 2000-01-19 Richard Henderson <rth@cygnus.com>
8725 * stupid.c: Die die die.
8726 * Makefile.in (OBJS): Remove stupid.o.
8727 (stupid.o): Likewise.
8729 * except.c (emit_eh_context): Don't emit USEs for stupid.
8730 * explow.c (probe_stack_range): Likewise.
8731 * flags.h (obey_regdecls): Remove.
8732 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8733 when not optimizing.
8734 (life_analysis): Limit data collection when not optimizing.
8735 (mark_regs_live_at_end): Always mark the return value registers.
8736 (mark_used_regs): Remove dummy RETURN case.
8737 (print_rtl_with_bb): Don't consult obey_regdecls.
8738 * function.c (use_variable, use_variable_after): Remove.
8739 (assign_parms): Consult optimize not obey_regdecls.
8740 (expand_function_start): Don't emit USEs for stupid.
8741 (expand_function_end): Likewise.
8742 * global.c (build_insn_chain): Export.
8743 * integrate.c (expand_inline_function): Kill return-value USE
8745 * jump.c (jump_optimize_1): Do simple jump optimizations and
8746 dead code elimination.
8747 (calculate_can_reach_end): Remove check_deleted argument.
8748 (delete_insn): Patch out insns even when not optimizing.
8749 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8750 * rtl.h (use_variable, use_variable_after): Remove declarations.
8751 (build_insn_chain): Declare.
8752 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8753 (expand_end_bindings): Likewise.
8754 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8755 * toplev.c (obey_regdecls): Remove.
8756 (rest_of_compilation): Don't set it. Kill stupid in favour of
8757 flow1, local-alloc, and reload.
8758 (main): Don't set obey_regdecls.
8760 * config/nextstep.c (handle_pragma): Likewise.
8762 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8764 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8766 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8768 * alpha-protos.h: PROTO -> PARAMS.
8769 * alpha.c: Likewise.
8771 * h8300.c: Likewise.
8772 * i386-protos.h: Likewise.
8774 * m32r-protos.h: Likewise.
8777 * mips.md: Likewise.
8778 * gmon-sol2.c: Likewise.
8779 * sparc.c: Likewise.
8781 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8783 * ns32k-protos.h: New file.
8785 * ns32k.c: Fix compile time warnings.
8787 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8790 * ns32k.md: Likewise.
8792 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8794 * vax-protos.h: New file.
8796 * vax.c: Fix compile time warnings.
8798 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8803 * vaxv.md: Likewise.
8805 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8807 * romp-protos.h: New file.
8809 * romp.c: Fix compile time warnings.
8811 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8814 * romp.md: Likewise.
8816 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8818 * we32k-protos.h: New file.
8820 * we32k.c: Fix compile time warnings.
8822 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8825 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8827 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8829 * except.c (eh_regs): Likewise.
8831 * final.c (output_operand): Likewise.
8833 * fold-const.c (target_isinf, target_isnan): Likewise.
8835 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8837 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8838 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8840 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8842 (clrstrsi): Rewrite.
8843 (strsethi, strsetqi): New expanders.
8844 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8845 (cmpstrsi): Emit compare insn before cmpstrsi_1
8846 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8847 (strlensi_1): Likewise.
8848 (cmpstrsi_1): Likewise; do not output compare.
8849 (strlen expander): Do not unroll when optimizing for size.
8850 (*subsi3_carry): Rename to subsi3_carry
8851 (addqi3_cc): New pattern.
8852 * i386.h (processor_costs): Add move_ratio field.
8853 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8854 * i386.c (*_cost): Set move_ratio.
8855 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8856 (x86_expand_strlensi_1): Rewrite the main loop.
8858 2000-01-17 Richard Henderson <rth@cygnus.com>
8860 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8861 * cse.c (find_comparison_args, fold_rtx): Likewise.
8862 * integrate.c (subst_constants): Likewise.
8863 * loop.c (get_condition): Likewise.
8865 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8867 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8869 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8871 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8872 (RESTORE_WARN_FLAGS): Unpack it.
8873 Change semantic type of extension to ttype.
8874 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8875 * c-parse.y, c-parse.c, objc/objc-parse.y,
8876 objc/objc-parse.c: Regenerate.
8878 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8880 * fixinc/fixlib.c: Add copyright notice.
8881 (compile_re): New function.
8882 * fixinc/fixlib.h: Prototype compile_re.
8884 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8885 Use compile_re to compile regular expressions.
8887 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8888 where the pattern matched.
8890 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8892 (ultrix_ansi_compat): Likewise.
8893 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8895 (interactv_add2, interactv_add3): Delete.
8896 (x11_sprintf): Don't use filename glob.
8897 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8900 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8902 * print-rtl.c: PROTO -> PARAMS.
8904 * reg-stack.c: Likewise.
8905 * resource.c: Likewise.
8906 * sdbout.h: Likewise.
8907 * simplify-rtx.c: Likewise.
8908 * stor-layout.c: Likewise.
8909 * stupid.c: Likewise.
8910 * xcoffout.c: Likewise.
8911 * xcoffout.h: Likewise.
8913 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8915 * toplev.c: PROTO -> PARAMS.
8916 * toplev.h: Likewise.
8919 * unroll.c: Likewise.
8920 * varasm.c: Likewise.
8921 * varray.c: Likewise.
8922 * varray.h: Likewise.
8924 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8926 * reload.c: PROTO -> PARAMS.
8927 * reload.h: Likewise.
8928 * reload1.c: Likewise.
8929 * reorg.c: Likewise.
8930 * resource.h: Likewise.
8933 * rtlanal.c: Likewise.
8934 * sbitmap.h: Likewise.
8935 * sdbout.c: Likewise.
8936 * stack.h: Likewise.
8938 * system.h: Likewise.
8940 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8942 * machmode.h: PROTO -> PARAMS.
8943 * mbchar.h: Likewise.
8944 * mips-tdump.c: Likewise.
8945 * mips-tfile.c: Likewise.
8946 * optabs.c: Likewise.
8947 * output.h: Likewise.
8948 * prefix.c: Likewise.
8949 * profile.c: Likewise.
8950 * protoize.c: Likewise.
8952 * recog.c: Likewise.
8953 * recog.h: Likewise.
8954 * regclass.c: Likewise.
8955 * regmove.c: Likewise.
8958 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8960 * ggc-common.c: PROTO -> PARAMS.
8961 * ggc-page.c: Likewise.
8962 * ggc-simple.c: Likewise.
8964 * global.c: Likewise.
8965 * graph.c: Likewise.
8966 * gthr-win32.h: Likewise.
8967 * haifa-sched.c: Likewise.
8968 * halfpic.h: Likewise.
8969 * integrate.c: Likewise.
8970 * integrate.h: Likewise.
8973 * local-alloc.c: Likewise.
8977 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8979 * genattr.c: PROTO -> PARAMS.
8980 * genattrtab.c: Likewise.
8981 * gencheck.c: Likewise.
8982 * gencodes.c: Likewise.
8983 * genconfig.c: Likewise.
8984 * genemit.c: Likewise.
8985 * genextract.c: Likewise.
8986 * genflags.c: Likewise.
8987 * gengenrtl.c: Likewise.
8988 * genopinit.c: Likewise.
8989 * genoutput.c: Likewise.
8990 * genpeep.c: Likewise.
8991 * genrecog.c: Likewise.
8993 2000-01-16 Mark Mitchell <mark@codesourcery.com>
8995 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
8997 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8999 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
9000 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
9001 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
9002 * configure, config.in: Rebuilt.
9004 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
9006 * config/i386/i386.md: Add peephole to merge successive stack
9009 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
9011 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
9012 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
9013 when walking backwards to find all the parameter loads when
9014 the basic block ends in a call.
9016 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9018 * loop.c (this_loop_info): Delete.
9019 (uid_loop): Add in place of uid_loop_num. All uses updated.
9020 (loop_number_exit_count): Delete and replace with entry in loop
9021 structure. All uses updated.
9022 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9023 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9024 (loop_outer_loop): Likewise.
9025 (loop_invalid, loop_number_exit_labels): Likewise.
9026 (loop_used_count_register): Delete and replace with entry in
9027 loop_info structure.
9028 (find_and_verify_loops): Add loops argument.
9029 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
9030 loop_end, etc. arguments with loop structure pointer. All callers
9032 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
9033 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
9034 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
9035 (insert_bct): Likewise.
9036 (basic_induction_var): New argument level.
9037 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
9038 vtop, and cont. Add used_count_register.
9039 (uid_loop): Delete declaration.
9040 (loop_number_exit_count): Likewise.
9041 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9042 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9043 (loop_outer_loop, loop_used_count_register): Likewise.
9044 (loop_invalid, loop_number_exit_labels): Likewise.
9045 (unroll_loop): Replace loop_start and loop_end arguments
9046 with loop structure pointer.
9047 (loop_precondition_p, loop_iterations): Likewise.
9048 Include basic-block.h.
9049 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
9050 with loop structure pointer.
9051 (loop_precondition_p, loop_iterations): Likewise.
9052 * basic-block.h (struct loop): New entries vtop, cont,
9053 cont_dominator, start, end, top, scan_start, exit_labels,
9055 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
9057 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9059 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
9061 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
9063 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
9065 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9067 * pdp11-protos.h: New file.
9069 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
9072 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
9075 * pdp11.md: Likewise.
9079 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9081 * mn10300-protos.h: New file.
9083 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
9086 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
9089 * mn10300.md: Likewise.
9091 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9093 * mn10200-protos.h: New file.
9095 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
9098 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
9101 * mn10200.md: Likewise.
9103 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9105 * h8300-protos.h: New file.
9107 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
9110 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
9113 * h8300.md: Likewise.
9115 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9117 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
9118 (asm_emit_uninitialised): Likewise.
9120 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
9122 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
9123 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
9125 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9127 * config/mips/mips.c (override_options): Don't turn on extra
9128 alignment for mips16.
9130 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9132 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
9133 eabi, and make sure queued POSTINCREMENT rtl is emitted at
9136 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9138 * builtins.c (PAD_VARARGS_DOWN): Define.
9139 (std_expand_builtin_va_arg): Use the above macro.
9140 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
9141 * tm.texi (Register Arguments): Document the above macro.
9143 2000-01-14 Nick Clifton <nickc@cygnus.com>
9145 * emit-rtl.c (emit_insn): If checking is enabled, make sure
9146 that this function has not been used to emit a jump
9149 * jump.c (return_jump_1): Cope with being passed a null rtx.
9151 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9153 * eh-common.h: PROTO -> PARAMS.
9154 * emit-rtl.c: Likewise.
9155 * errors.c: Likewise.
9156 * errors.h: Likewise.
9157 * except.c: Likewise.
9158 * except.h: Likewise.
9159 * explow.c: Likewise.
9160 * expmed.c: Likewise.
9163 * final.c: Likewise.
9164 * fix-header.c: Likewise.
9166 * fold-const.c: Likewise.
9167 * function.c: Likewise.
9168 * function.h: Likewise.
9170 * gcov-io.h: Likewise.
9174 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9176 * sh-protos.h: New file.
9178 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
9179 Add static prototypes. Fix compile time warnings.
9181 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
9185 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9187 * arc-protos.h: New file.
9189 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
9192 * arc.h: Move prototypes to arc-protos.h. Fix compile time
9197 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9199 * dsp16xx-protos.h: New file.
9201 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
9204 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
9207 * dsp16xx.md: Likewise.
9209 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9211 * convex-protos.h: New file.
9213 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
9216 * convex.h: Move prototypes to convex-protos.h. Fix compile time
9219 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9221 * elxsi-protos.h: New file.
9223 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
9226 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
9229 * elxsi.md: Likewise.
9231 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9233 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
9234 case for moving from HI/LO/HI_LO_REG. This makes the behavior
9235 match the comment for MIPS16.
9237 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
9239 * flow.c (split_edge): Do not call set_block_for_insn if we
9240 do not have a basic_block_for_insn structure.
9242 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
9243 and destination functions are 32bit aligned within the trampoline.
9244 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
9245 (TRAMPOLINE_ALIGNMENT): Define.
9247 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9248 (set (pc) (label_ref)), verify the change creates a valid insn.
9250 * fr30.c (call_operand): Tighten and rework to match rules for
9251 call RTL expressions.
9252 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9253 * fr30.md (call patterns): Improve constraints.
9255 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9257 * fr30.c (fr30_expand_epilogue): Revert last change.
9258 Use emit_jump_insn for the return insn.
9260 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9261 Stan Cox <scox@cygnus.com>
9263 * predict.c: New file. Preliminary infrastructure work for static
9264 branch prediction and basic block reordering.
9265 * basic-block.h: Add prototype for estimate_probability.
9266 * Makefile.in: Add rules for predict.o.
9268 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9270 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9271 * fixinc/*: Likewise.
9273 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9275 * cccp.c: PROTO -> PARAMS.
9277 * collect2.c: Likewise.
9278 * combine.c: Likewise.
9279 * convert.h: Likewise.
9281 * dbxout.c: Likewise.
9282 * dbxout.h: Likewise.
9283 * diagnostic.c: Likewise.
9284 * doprint.c: Likewise.
9285 * dwarf2out.c: Likewise.
9286 * dwarf2out.h: Likewise.
9287 * dwarfout.c: Likewise.
9288 * dwarfout.h: Likewise.
9289 * dyn-string.h: Likewise.
9291 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9293 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9294 macro conditionals guarding use.
9296 * dwarf2out.c: Include "tm_p.h".
9298 * function.c (locate_and_pad_parm): Mark parameter with
9300 (expand_function_end): Likewise for variable `context'.
9302 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9304 2000-01-13 Nick Clifton <nickc@cygnus.com>
9306 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9307 register to prevent compile time warnings.
9309 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9311 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9312 to avoid -Wtraditional warning.
9314 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9316 * 1750a-protos.h: New file.
9318 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9321 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9324 * 1750a.md: Likewise.
9326 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9328 * a29k-protos.h: New file.
9330 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9333 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9336 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9338 * clipper-protos.h: New file.
9340 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9343 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9346 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9348 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9350 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9352 * configure.in (--enable-new-gxx-abi): New option.
9353 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9354 * Makefile.in (GXX_ABI_FLAG): New variable.
9355 * configure: Regenerate.
9357 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9359 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9360 * tm.texi (FORCE_STRUCT_BLK): Document.
9361 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9363 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9365 * config/ns32k/ns32k.md: Revert Jan 9 change.
9367 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9368 to a mode-test, if the predicate is address_operand.
9370 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9372 * combine.c (if_then_else_cond): Be careful about what kinds
9373 of RTL expressions are passed to operand_subword.
9375 * flow.c (split_edge): If we have to insert a new jump, make
9376 sure to associate it with a basic block.
9378 * flow.c (commit_one_edge_insertion): A block with one successor
9379 can end in a JUMP_INSN that is not a simplejump.
9381 2000-01-12 Robert Lipe <robertl@sco.com>
9383 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9384 (BUILD_VA_LIST_TYPE): Define.
9385 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9388 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9390 * cccp.c (do_pragma): Add cast to (char *).
9392 2000-01-12 Richard Henderson <rth@cygnus.com>
9393 Fred Fish <fnf@be.com>
9394 Jason Merrill <jason@cygnus.com>
9396 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9397 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9398 * i386/beos-elf.h, i386/beos-pe.h: New files.
9400 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9401 * cross-make (SYSTEM_HEADER_DIR): Define using
9402 CROSS_SYSTEM_HEADER_DIR.
9404 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9405 (process_command): Use it.
9406 (main): Likewise. Kill trailing = from env vars.
9407 (build_search_list): Put it back.
9408 * collect2.c (main): Use LIBRARY_PATH_ENV.
9410 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9411 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9413 * tm.texi (Frame Layout): Document SMALL_STACK.
9414 * c-common.c (c_common_nodes_and_builtins): Check it.
9416 * system.h: Undef alloca after including glibc's <stdlib.h>,
9417 if USE_C_ALLOCA is defined.
9419 * gcc.c (set_input): New fn.
9420 (main): After all input files are compiled, reset the input file
9423 * aclocal.m4 (rindex, index): If already defined, don't attempt
9426 * ginclude/varargs.h: (__va_list__): Define ifndef.
9427 * ginclude/stdarg.h: Likewise.
9429 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9430 instead of unsigned char.
9432 * hash.h (true, false, boolean): Undef before enum.
9434 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9435 proper type of "HOST_WIDE_INT *", rather than their natural type of
9436 "unsigned HOST_WIDE_INT *".
9438 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9440 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9442 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9444 * regclass.c (choose_hard_reg_mode): Likewise.
9446 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9448 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9450 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9452 * c-common.c: PROTO -> PARAMS.
9453 * c-common.h: Likewise.
9454 * c-decl.c: Likewise.
9455 * c-iterate.c: Likewise.
9456 * c-lang.c: Likewise.
9457 * c-lex.c: Likewise.
9458 * c-lex.h: Likewise.
9459 * c-parse.in: Likewise.
9460 * c-pragma.c: Likewise.
9461 * c-pragma.h: Likewise.
9462 * c-tree.h: Likewise.
9463 * c-typeck.c: Likewise.
9464 * objc/objc-act.c: Likewise.
9465 * objc/objc-act.h: Likewise.
9467 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * m88k-protos.h: New file.
9471 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9474 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9476 * m88k.md: Likewise.
9478 * tekXD88.h: Likewise.
9480 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9482 * m68k-protos.h: New file.
9484 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9487 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9489 * mot3300.h: Likewise.
9491 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9493 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9495 (extract_bitlist): Declare bitlen.
9497 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9499 * cccp.c: Accept and ignore -lang-fortran.
9501 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9502 qualifiers don't match at any level of pointerness.
9504 2000-01-12 Robert Lipe <robertl@sco.com>
9506 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9508 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9510 * reload1.c (reload_reg_unavailable): New static variable.
9511 (reload_reg_free_p): Test it.
9512 (reload_reg_free_for_value_p): Test it instead of
9514 (choose_reload_regs_init): Compute it.
9516 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9518 * reorg.c (fill_slots_from_thread): Check modified_in_p
9521 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9523 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9524 these nodes even if INTERNALS is not set.
9526 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9528 * gcse.c (delete_null_pointer_checks_1): Cope when
9529 get_condition cannot determine the condition.
9531 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9533 * toplev.h (set_message_length): Declare.
9535 * diagnostic.c (obstack_chunk_alloc): Define macro.
9536 (obstack_chunk_free): Likewise.
9537 (struct output_buffer): New data structure.
9539 (output_maximum_width): New variable.
9540 (doing_line_wrapping, set_message_length, init_output_buffer,
9541 get_output_prefix, output_space_left, emit_output_prefix,
9542 output_newline, output_append, output_puts, dump_output,
9543 vbuild_message_string, build_message_string, build_location_prefix,
9544 voutput_notice, output_printf, line_wrapper_printf,
9545 vline_wrapper_message_with_location): New functions. Implement
9546 automatic line wrapping.
9547 (v_message_with_decl): Make it handle automatic line wrapping.
9548 (v_error_with_file_and_line): Likewise.
9549 (v_warning_with_file_and_line): Likewise.
9550 (announce_function): Likewise.
9551 (default_print_error_function): Likewise.
9553 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9555 * cpplib.h (struct cpp_options): Change lang_asm to char.
9557 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9558 done in cpp_handle_option now.
9559 (initialize_builtins): Take out special case code used only by
9561 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9562 if -traditional. Recognize -lang-fortran and set
9563 lang_fortran, also turn off cplusplus_comments.
9564 (print_help): Document -lang-fortran.
9565 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9566 lang_asm. Ignore all directives other than `# 123 "file"' if
9568 (cpp_get_token): If -traditional, don't recognize directives
9569 unless the # is in column 1.
9570 (parse_string): If lang_fortran or lang_asm, silently
9571 terminate strings ('' or "") at end of line.
9572 Remove unnecessary braces.
9574 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9575 Richard Henderson <rth@cygnus.com>
9577 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9579 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9580 strict_low_part when possible.
9582 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9584 * alias.c: PROTO -> PARAMS.
9585 * basic-block.h: Likewise.
9586 * bitmap.c: Likewise.
9587 * bitmap.h: Likewise.
9588 * builtins.c: Likewise.
9589 * c-aux-info.c: Likewise.
9590 * caller-save.c: Likewise.
9591 * calls.c: Likewise.
9593 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9595 * Makefile.in (toplev.o): Depend on regs.h.
9597 * output.h (tdesc_section): Prototype.
9599 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9601 * sdbout.c: Include "tm_p.h".
9603 * toplev.c: Include "regs.h".
9605 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9607 * unroll.c (unroll_loop): Add EH support.
9609 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9611 * pa-protos.h: New file.
9613 * pa.c: Include recog.h and tm_p.h.
9614 (compute_zdepwi_operands, compute_movstrsi_length,
9615 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9616 find_addr_reg, import_milli): Add static prototypes.
9617 (pa_cpu_string, pa_arch_string): Constify a char*.
9618 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9619 (read_only_operand): Add argument `mode'.
9620 (singlemove_string, output_move_double, output_fp_move_double,
9621 output_block_move, output_and, output_ior, output_ascii,
9622 remove_useless_addtr_insns, milli_names, output_mul_insn,
9623 output_div_insn, output_mod_insn, output_arg_descriptor,
9624 output_cbranch, output_bb, output_bvb, output_dbra, ,
9625 output_millicode_call, output_call, hppa_encode_label,
9626 output_parallel_movb, output_parallel_addb): Constify a char*.
9627 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9628 (output_parallel_addb): Remove extra arg to `constrain_operands'
9630 * pa.h: Move all prototypes to pa-protos.h.
9631 (pa_cpu_string, pa_arch_string): Constify a char*.
9632 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9634 * pa.md: Call `function_label_operand' with mode argument.
9635 Likewise for `read_only_operand'.
9636 Fix nesting of parens in call to `symbolic_operand'.
9638 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9640 * i860-protos.h: New file.
9642 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9645 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9647 * i860.md: Likewise.
9649 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9651 * i386.md (movstrsi expander): Rewrite.
9652 (movstrsi_1 insn): Deleted.
9653 (strmovhi, strmovqi expander): New expanders.
9654 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9655 * i386.c (x86_single_stringop): New global variable.
9656 * i386.h (x86_single_stringop): Declare.
9657 (TARGET_SINGLE_STRINGOP): New macro.
9659 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9661 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9662 integer vararg POSTINCREMENT before the destination of the jump
9663 for the hard fp case.
9664 (function_arg_pass_by_reference): Pass a copy of CUM to
9667 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9668 for CONSTANT_ADDRESS_P above while loop for subreg.
9670 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9672 * flow.c (propagate_block): When a prologue/epilogue insn
9673 is marked dead, unconditionally clear libcall_is_dead and
9674 insn_is_dead, and only dump rtl if warnings aren't being
9677 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9679 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9680 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9681 (FIXED_REGISTERS): Set dirflag as fixed.
9682 (CALL_USED_REGISTERS): Set dirflag as used.
9683 (REG_ALLOC_ORDER): Set dirflag as last one.
9684 (DIRFLAG_REG): New macro.
9685 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9686 (HI_REGISTER_NAMES): Add dirflag.
9687 (DEBUF_PRINT_REG): Handle dirflag.
9688 * i386.md (type attribute): New cld and str types.
9689 (length_opcode attribute): Set cld and str to 1.
9690 (memory attribute): Set str to unknown - it is not clear from the
9692 (pent_np function unit): Prefixed string operations takes 12 cycles
9693 minimally; cld takes 2 cycles.
9694 (ppro_uops attribute): Str is "many" and cld is "few".
9695 (ppro_p0 unit): Handle cld here.
9696 (k6_alux unit): Handle cld and str types.
9697 (k6_load unit): It is ocupied by str opcodes.
9698 (k6_store unit): It is ocupied by str opcodes.
9699 (athlon_decode): Str is vector decoded.
9700 (athlon_ieu): Handle str and cld.
9702 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9703 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9704 cmpstrsi_nz_1 insn): Do not output cld instruction
9706 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9708 * gcc.texi (G++ and GCC): Add Java and Chill.
9709 (Bug Critera): Don't list languages.
9711 * gcc.texi (Incompatibilities): No longer claim most C compilers
9714 * gcc.texi (G++ and GCC): Update other front-ends list.
9716 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9718 * i386.c (ix86_expand_setcc): Fix typo.
9719 (ix86_expand_movcc): Similarly.
9721 * Band-aid until haifa's bitset implementation is nuked.
9722 * haifa-sched.c (extract_bitlst): New parameter for size of the
9723 bitset in bits. All callers changed. Avoid looking at undefined
9725 (edgeset_bitsize): New variable.
9726 (schedule_region): Initialize edgeset_bitsize.
9728 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9730 * Makefile.in (optabs.o): Depend on real.h
9731 (resource.o): Depend on insn-attr.h
9733 * builtins.c (result_vector): Wrap prototype in macro conditions
9734 governing definition and use.
9736 * c-common.c: Include tm_p.h.
9738 * c-lex.c: Likewise.
9740 * elfos.h: Constify a char*.
9742 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9743 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9744 parameter with ATTRIBUTE_UNUSED.
9746 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9749 * haifa-sched.c (schedule_insns): Mark parameter with
9752 * optabs.c: Include real.h.
9754 * real.h (ereal_atof): Add prototype arguments.
9756 * resource.c: Include insn-attr.h.
9758 * sdbout.c (sdbout_queue_anonymous_type,
9759 sdbout_dequeue_anonymous_types): Wrap in macro
9760 SDB_ALLOW_FORWARD_REFERENCES.
9761 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9764 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9766 * stupid.c: Include tm_p.h.
9768 * tree.c (real_value_from_int_cst): Mark parameter with
9771 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9773 * i960-protos.h: New file.
9775 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9778 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9780 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9782 * combine.c (expand_field_assignment): Do not discard SUBREGs
9783 while computing nonzero_bits.
9785 2000-01-09 Nick Clifton <nickc@cygnus.com>
9787 * config/arm/arm.c: Fix compile time warnings about signed vs
9789 * config/arm/arm.h: Fix compile time warnings about signed vs
9792 2000-01-09 Philip Blundell <philb@gnu.org>
9794 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9795 than `ldm' with only one register.
9796 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9799 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9802 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9804 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9807 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9809 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9810 assignment used as truth value.
9812 * function.c (assign_temp): Mark parameter `dont_promote' with
9813 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9814 PROMOTE_FOR_CALL_ONLY.
9816 * genrecog.c (write_subroutine): Mark variable `operands' with
9819 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9822 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9823 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9825 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9828 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9830 * config/c4x.h: Tidy up comments.
9831 * config/c4x.c: Likewise.
9833 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9835 * fold-const.c (lshift_double, rshift_double): Handle
9836 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9838 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9840 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9841 in prepare_function_start().
9843 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9845 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9846 longer allocate extra stack for function calls.
9848 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9850 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9852 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9854 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9856 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9858 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9859 * aix43.h: Revert Aug 2 change.
9860 (HAS_INIT_SECTION): Define, not visible yet.
9861 (LD_INIT_SWITCH): Define, not visible yet.
9862 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9864 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9866 * collect2.c (main): Expand ld2 size further.
9867 (export_object_lst): Cast assignment to avoid warning.
9868 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9869 (scan_prog_file, COFF): Do not collect initialization or
9870 finalization functions generated for entire shared object if
9871 init/fini support present.
9873 2000-01-07 Nick Clifton <nickc@cygnus.com>
9875 * config/elfos.h: Tidy up formatting of marcos. Make sure
9876 that .section directives are always prefixed by a tab.
9878 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9881 2000-01-07 Matt Austern <austern@sgi.com>
9883 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9886 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9888 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9890 (crtbegin.o, s-crtS): Likewise.
9892 2000-01-06 Richard Henderson <rth@cygnus.com>
9894 * alpha.md (adddi_2+1): Limit offset such that it will be
9895 loadable with a single ldah+lda pair.
9896 (adddi_2+2): Explicitly fail split if we can't make it work.
9898 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9900 * protoize.c: Conditionally include unistd.h.
9901 (IS_SAME_PATH_CHAR): New macro.
9902 (IS_SAME_PATH): New macro.
9903 (CPLUS_FILE_SUFFIX): New macro.
9904 (cplus_suffix): New static variable.
9905 (is_abspath): New static function.
9906 (in_system_include_dir): Handle DOS style pathnames.
9907 (file_could_be_converted): Likewise.
9908 (file_normally_convertible): Likewise.
9909 (directory_specified_p): Likewise.
9910 (file_excluded_p): Likewise.
9911 (abspath): Likewise.
9912 (shortpath): Likewise.
9913 (referenced_file_is_newer): Likewise.
9914 (save_def_or_dec): Likewise.
9915 (do_processing): Likewise.
9917 (edit_file): Likewise. Use rename instead of link.
9918 (rename_c_file): Likewise. Don't rename syscalls file.
9919 (munge_compile_params): Define null device for DOS based systems.
9920 (process_aux_info_file): Use binary mode if appliable.
9921 (edit_file): Likewise.
9922 * invoke.texi (Running Protoize): Document C++ suffixes used.
9924 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9925 IS_DIR_SEPARATOR macros.
9926 * collect2.c: Likewise.
9927 * cppinit.c: Likewise.
9928 * dwarf2out.c: Likewise.
9931 * prefix.c: Likewise.
9933 * toplev.c: Likewise.
9934 * system.h: And move to here.
9936 * prefix.c (update_path): Fix typo in variable name.
9938 2000-01-06 Richard Henderson <rth@cygnus.com>
9940 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9941 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9942 (count_reg_sets_1, count_reg_references): Likewise.
9943 (flow_loops_level_compute): Start counting actual loop depth at 1.
9944 (flow_loops_find): Likewise.
9945 * local-alloc.c (update_equiv_regs): Likewise.
9946 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9948 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9950 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9951 FIRST_PSEUDO_REGISTER
9952 * dwarf2out.c: Don't include frame.h
9953 * dwarfout.c: Likewise
9954 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9957 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9959 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9962 * i386.c (movsf splitter): Fix typo in my last checkin.
9964 2000-01-05 Nick Clifton <nickc@cygnus.com>
9966 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
9967 own definition of this macro.
9968 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
9969 flag_data_sections or UNIQUE_SECTION_P are true.
9971 * tm.texi (UNIQUE_SECTION): Document that it can be called for
9972 unitialised data decls.
9974 * config/i386/winnt.c (i386_pe_unique_section): Cope with
9975 being called for uninitialised data.
9977 * config/i386/interix.c (i386_pe_unique_section): Cope with
9978 being called for uninitialised data.
9980 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
9981 for uninitialised data.
9983 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
9984 for uninitialised data.
9986 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
9987 for uninitialised data.
9989 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
9990 (UNIQUE_SECTION_P): Always generate a unique section if
9991 flag_data_sections is true.
9992 (UNIQUE_SECTION): Also generate unique sections for
9994 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
9995 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
9998 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10000 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
10003 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10005 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
10006 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
10007 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
10008 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
10009 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
10011 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
10013 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10015 * c-decl.c (finish_enum): Simplify code to determine minimum and
10016 maximum values of the enum, and calculate the type. Remove check
10017 for FUNCTION_DECLs in the values list, which cannot happen. Replace
10018 the DECL_INITIAL of each enumeration constant with a copy converted
10019 to the enumeration type. When updating variant types, don't bother
10020 updating the type itself.
10022 * c-typeck.c (build_binary_op): Simplify conditional expressions
10023 when weeding out spurious signed-unsigned warnings. Add new
10024 spurious warning category: if the unsigned quantity is an enum
10025 and its maximum value fits in signed_type(result_type). Update
10027 (build_conditional_expr): Warn here if one alternative is signed
10028 and the other is unsigned.
10030 2000-01-05 Nick Clifton <nickc@cygnus.com>
10032 * config/fr30/fr30.h: Remove extraneous comments.
10034 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
10036 * reload1.c (choose_reload_regs): When disabling a reload, also
10037 set reload_spill_index to -1.
10039 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10041 * configure.in (m68*-*-rtemscoff*): New target, formal name for
10043 (m68*-*-rtemself*): New target.
10044 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
10045 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
10046 (sparc*-*-rtemself*): New target.
10047 (sparc*-*-rtems*): Now elf not a.out.
10048 * config/i386/rtems.h: Include config/rtems.h.
10049 * config/i386/rtemself.h: Include config/rtems.h.
10050 * config/i960/rtems.h: Include config/rtems.h.
10051 * config/m68k/rtems.h: Include config/rtems.h.
10052 * config/m68k/rtemself.h: Include config/rtems.h.
10053 * config/mips/rtems64.h: Include config/rtems.h.
10054 * config/pa/rtems.h: Include config/rtems.h.
10055 * config/rs6000/rtems.h: Include config/rtems.h.
10056 * config/sh/rtems.h: Include config/rtems.h.
10057 * config/sh/rtemself.h: Include config/rtems.h.
10058 * config/sparc/rtems.h: Include config/rtems.h.
10059 * config/sparc/rtemself.h: Include config/rtems.h
10061 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
10063 * final.c (shorten_branches): Correctly compute length of
10064 asms without operands.
10066 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
10068 * configure.in: Add pj target.
10069 * configure: Regenerate.
10070 * config/pj: New directory.
10071 * config/pj/lib1funcs.S: New file.
10072 * config/pj/linux.h: New file.
10073 * config/pj/pj.c: New file.
10074 * config/pj/pj.md: New file.
10075 * config/pj/pjl.h: New file.
10076 * config/pj/t-pj: New file.
10077 * config/pj/xm-pj.h: New file
10079 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
10081 * toplev.c (rest_of_compilation): Run shorten-branches before
10084 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10086 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
10087 macros so that they're consistent with their names.
10088 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
10089 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
10091 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10093 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
10094 modified inadvertently.
10096 2000-01-04 Joel Sherrill <joel@OARcorp.com>
10098 * configure.in (v850*-*-rtems*): New target.
10099 * configure: Regenerate.
10100 * config/v850/rtems.h: New file.
10102 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
10104 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
10105 (__gthread_key_create): Likewise.
10106 (__gthread_key_dtor): Likewise.
10107 (__gthread_once): Fix logic.
10108 (__gthread_key_delete): Cast away constness.
10110 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
10111 * invoke.texi: Document.
10112 * i386/mingw32.h (CPP_SPEC): Use.
10113 (LIBGCC_SPEC): Likewise.
10114 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
10116 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10118 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
10119 (HANDLE_PRAGMA_PACK): Undefine.
10120 (SLOW_UNALIGNED_ACCESS): Define.
10122 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10124 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10125 to default definition.
10126 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
10127 (store_fixed_bit_field): Call macro with word_mode and alignment.
10128 (extract_bit_field): Call macro with relevant mode and alignment.
10129 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10130 to default definition.
10131 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
10133 (move_by_pieces_ninsns): Likewise.
10134 (clear_by_pieces): Likewise.
10135 (emit_push_insn): Likewise.
10136 (store_field): Call macro with relevant mode and alignment.
10137 (expand_expr): Likewise.
10138 (expand_expr_unaligned): Likewise.
10140 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10141 (SLOW_UNALIGNED_ACCESS): Define.
10142 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10143 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10144 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10145 (toc_section): Likewise and .toc pseudo-op.
10146 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10148 (TEXT_SECTION_ASM_OP): Likewise.
10149 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10152 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
10153 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
10154 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
10155 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
10156 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
10158 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
10160 * regclass.c: Revert my Jan 4 change to loop cost computation.
10162 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10164 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
10167 2000-01-04 Stan Cox <scox@cygnus.com>
10169 * haifa-sched.c (build_control_flow): Change unreachable simple
10170 loop test to check if current block has only one predecessor.
10171 (find_rgns): Initialize degree. Use dest as degree index, not src.
10173 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10175 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
10177 * calls.c (expand_call): Likewise for
10178 `old_stack_arg_under_construction'.
10180 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
10182 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
10185 * gcc.c (execute): Likewise for `ut' and `st'.
10187 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
10189 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
10191 * jump.c (jump_optimize_1): Likewise for `temp2'.
10193 * local-alloc.c (block_alloc): Likewise for `r1'.
10195 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
10197 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
10198 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
10200 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
10203 * reload.c (find_reloads): Likewise for `goal_alternative_number'
10204 and `goal_earlyclobber'.
10206 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
10208 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
10210 * stupid.c (stupid_life_analysis): Likewise for `chain'.
10212 * unroll.c (copy_loop_body): Likewise for `copy'.
10214 * varasm.c (output_constructor): Likewise for `byte'.
10216 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10218 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
10219 all FP constants for constant->reg moves.
10220 (ix86_split_to_parts): Try to convert memory address into immediate
10221 when available in the constant pool.
10222 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
10224 (LEGITIMATE_CONSTANT_P): Return 1.
10225 * i386.md (pushsf): New splitter to convert constant pool memory
10226 reference to immediate.
10227 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
10230 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
10232 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
10233 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
10234 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
10235 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
10236 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
10238 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
10240 * ginclude/stdbool.h: Support compilation as C++.
10242 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10244 * fold-const.c (make_range): Don't try to reverse an unbounded range.
10246 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10248 * regclass.c (regclass): Properly compute loop_cost. Adjust
10251 * regclass.c: Fix minor whitespace problems.
10253 2000-01-03 Anthony Green <green@cygnus.com>
10255 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10256 Restore the pic register if required.
10258 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10260 * c-common.c (format_char_info): Update comment.
10261 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10262 was recognized. Emit warning for formats new in ISO C99 only
10263 if flag_isoc9x is not set.
10265 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10267 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10269 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10271 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10272 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10273 (make_compound_operation): Choose cheaper alternative between
10274 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10276 * regclass.c (op_costs): Remove global variable.
10277 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10278 (record_operand_costs): Break out from ...
10279 (scan_one_insn): ... here.
10280 (dump_regclass): Make dumps nicer.
10281 (regclass): Dump preferrences choosed and changes done during passes.
10283 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10285 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10287 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10289 * config/sparc/sparc.c (gen_df_reg): New function.
10290 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10291 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10292 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10293 movtf_cc_reg_sp64+1): Use it.
10295 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10297 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10298 copied LABEL_DECLs.
10300 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10302 * config/i386/i386.c (ix86_expand_unary_operator): Function
10303 definition made void.
10304 (ix86_expand_binary_operator): Update outdated preceding comment.
10305 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10308 * config/i386/i386.c (override_options): Fix option-name typo.
10310 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10312 * system.h (CEIL): Define.
10313 * builtins.c (CEIL): Remove.
10314 * expmed.c (CEIL): Likewise.
10315 * expr.c (CEIL): Likewise.
10316 * stor-layout.c (CEIL): Likewise.
10318 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10320 * expr.c (store_constructor_field): Fix typo introduced with last
10323 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10325 * tree.h (BINFO_N_BASETYPES): New macro.
10327 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10329 * expmed.c (emit_store_flag): Prevent losing a pending stack
10330 adjust the same way we prevent losing queued increments.
10332 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10334 * function.c (update_temp_slot_address): Handle case where sum of
10335 temporary address plus offset in register is a valid address.
10337 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10339 * genrecog.c (change_state) Corrected typo.
10341 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10343 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10344 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10345 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10347 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10349 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10350 case, expand GT comparisons correctly. Fix a comment before this
10353 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10355 * dwarfout.c: Include "frame.h"
10356 * dwarf2out.c: Likewise.
10357 * Makefile.in (dwarfout.o): Depend on frame.h
10358 (dwarf2out.o): Likewise.
10360 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10362 Restore i386 binary compatibility in Dwarf EH info.
10363 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10364 value of FIRST_PSEUDO_REGISTER.
10365 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10366 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10367 * dwarfout.c (output_reg_number): Ditto.
10368 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10369 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10371 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10373 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10374 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10375 (<hack>_RE_CT): not needed
10376 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10377 rewritten to scan the file text once only
10378 "template<..." test added
10379 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10380 (is_cxx_header): declaration added
10381 * fixinc/fixtests.c(is_cxx_header): removed
10382 (apply_fix_p_t): removed
10383 (double_slash_test): is_cxx_header is only called once now
10384 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10385 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10386 within the templates.
10387 The borken spelling of "broken" was fixed.
10388 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10389 The default level depends on FIXINC_DEBUG.
10391 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10393 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10394 Otherwise provide a declaration for atexit.
10395 (init_dummy): Make sure dummy call to atexit is nevertheless
10396 called with correct number of args.
10398 * frame.c: Update comments referring to other files.
10400 * libgcc2.c: Likewise.
10402 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10404 * cse.c (free_element, get_element): Remove unused prototypes.
10406 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10409 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10412 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10414 * configure.in,configure: case arm for mn10200-*-* now sets
10415 float_format=i32 so that float.h will correctly claim "double"
10416 to be 32 bits. Ran autoconf to generate configure from .in file.
10418 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10420 * pa.md (conditional zero): If op1 is a register, force it into
10421 the same register as op0.
10423 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10425 * tree.h (BINFO_BASETYPES): Improve documentation.
10427 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10429 * configure.in (--enable-checking): Use a more portable `for'
10432 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10434 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10435 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10437 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10440 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10441 Delete descriptions.
10443 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10444 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10445 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10446 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10447 xm-svr4.h: Remove all instances of sys_siglist handling.
10449 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10451 * config/sparc/sparc.md (cmp_zero_qi,
10452 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10453 cmp_zero_extendqidi2_andcc_set): New patterns.
10455 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10457 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10458 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10459 (fpgnulib.c, xfgnulib.c): Add rules.
10460 * m68k/t-mot3300-gas: Likewise.
10462 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10464 * configure.in: Avoid [[ by using test and changequote. Add
10465 changequote required by 1999-12-14 change.
10466 * configure: Rebuild.
10468 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10470 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10472 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10474 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10475 * flow.c (find_use_as_address): Likewise.
10476 * function.c (fixup_var_refs_1): Likewise.
10477 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10478 * jump.c (invert_exp, redirect_exp): Likewise.
10479 * loop.c (replace_call_address): Likewise.
10480 (count_nonfixed_reads): Likewise.
10481 * rtlanal.c (modified_between_p): Likewise.
10482 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10483 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10484 * unroll.c (remap_split_bivs): Likewise.
10486 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10488 * diagnostic.c (v_message_with_decl): Use .* format specifier
10489 instead of building the format specifier width manually.
10491 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10492 determining whether to provide a prototype. Remove the
10493 sys_siglist clause in the conditional.
10495 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10497 * fold-const.c (operand_equal_p): Use memcmp to compare string
10499 Suggested by D. J. Bernstein
10501 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10503 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10504 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10506 * config/mips/mips.h (TARGET_64BIT): Likewise.
10507 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10508 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10509 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10510 dsps. Give routines proper names if SI/DI modes are not used.
10511 * longlong.h: Use DWunion instead of DIunion.
10513 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10515 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10516 GC_CHECKING, GC_ALWAYS_COLLECT.
10517 * configure.in: Allow --enable-checking with an argument
10518 listing check modes to enable.
10519 * config.in, configure: Rebuilt.
10520 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10521 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10522 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10523 ENABLE_GC_ALWAYS_COLLECT.
10524 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10526 * tree.h, tree.c: Change ENABLE_CHECKING to
10527 ENABLE_TREE_CHECKING throughout.
10529 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10531 * fold-const.c (fold_truthop): Properly check for FP RHS.
10533 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10535 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10536 * toplev.c (note_deferral_of_defined_inline_function): New
10537 function, split out from ...
10538 (rest_of_compilation): ... here. Use it.
10540 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10542 * expr.c (store_constructor): Don't call clear_storage if size is
10545 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10547 * Makefile.in (toplev.o): Depend on loop.h.
10549 * dwarfout.c: Include tm_p.h.
10551 * emit-rtl.c (restore_emit_status): Mark parameter with
10554 * final.c (final_scan_insn): Likewise.
10556 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10557 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10558 flow_depth_first_order_compute, flow_loop_pre_header_find,
10559 flow_loop_tree_node_add, flow_loops_tree_build,
10560 flow_loop_level_compute, flow_loops_level_compute,
10561 flow_loop_outside_edge_p): Add prototypes.
10562 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10564 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10565 Mark with ATTRIBUTE_NORETURN.
10567 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10569 * local-alloc.c (no_conflict_p): Likewise.
10571 * loop.c (insert_bct): Hide definitions of variables with hidden
10573 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10575 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10576 with ATTRIBUTE_UNUSED.
10577 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10578 (reg_scan): Likewise.
10580 * reload.c (find_reloads): Remove unused variables `changed'.
10582 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10584 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10585 Remove unused variable `insn'.
10587 * toplev.c: Include loop.h.
10588 (report_file_and_line): Remove unnecessary prototype.
10590 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10592 * unroll.c (biv_total_increment): Likewise.
10594 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10596 * reload1.c (emit_input_reload_insns): Restore old behaviour
10597 wrt. 'special' reloads.
10599 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10601 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10602 hash.h. (cse.c): Don't depend on hashtab.h.
10604 * cse.c: Don't include hashtab.h.
10605 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10607 * ggc-simple.c: Don't include hash.h.
10609 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10611 * dwarf2out.c (add_abstract_origin_attribute): Call
10612 gen_abstract_function on our function context.
10614 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10616 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10618 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10620 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10623 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10625 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10626 constraints to "a!r".
10628 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10630 * Makefile.in (calls.o): Depend on function.h.
10631 (alias.o): Likewise.
10633 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10635 * reload1.c (emit_reload_insns): Break out code and variables into...
10636 (input_reload_insns, other_input_address_reload_insns,
10637 other_input_reload_insns, input_address_reload_insns,
10638 inpaddr_address_reload_insns, output_reload_insns,
10639 output_address_reload_insns, outaddr_address_reload_insns,
10640 operand_reload_insns, other_operand_reload_insns,
10641 other_output_reload_insns): ... new static variables, and...
10642 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10643 do_output_reload): ... new functions.
10645 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10647 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10649 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10651 * md.texi: Add c4x constraints documentation.
10653 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10655 * config/i386/dgux.c (struct option): Rename to
10656 lang_independent_option.
10657 (struct m_options): Add description field.
10658 (output_options): Rename option type, add sep declaration, output
10659 ix86_cpu_string and ix86_arch_string only if set.
10660 (output_file_start): Rename option type.
10662 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10664 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10666 (libgcc2.a): Similarly.
10668 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10670 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10671 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10672 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10674 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10676 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10677 Remove redundant initialization of "frexpon" and "expon".
10679 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10681 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10683 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10684 (store_constructor_field, expand_expr): Pass new arg.
10686 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10688 * Makefile.in (explow.o): Depend on function.h.
10690 * stor-layout.c (set_sizetype): Fix typo.
10692 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10694 * function.c (cfun): Renamed from current_function. All users
10696 * function.h (cfun): Rename declaration as well.
10698 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10699 to be of type regset_head, not regset. All users changed by adding
10701 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10703 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10705 * config/c4x/rtems.h: New file.
10707 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10709 * reload1.c (spill_failure): Take class of failed reload as argument
10710 and print it. Caller changed.
10712 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10714 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10715 (TARGET_SWITCHES): Allow subtargets to default switches.
10716 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10718 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10720 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10723 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10725 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10726 * cppinit.c (cpp_handle_option): Likewise.
10728 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10729 determine when to define.
10731 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10733 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10734 cmove with mismatched test and data modes.
10736 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10738 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10741 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10743 * alias.c: Minor reformatting.
10744 * flow.c: Likewise.
10745 * regs.h: Likewise.
10746 * stor-layout.c: Likewise.
10747 * fold-const.c: Likewise.
10748 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10749 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10751 (size_int_wide): Cache nodes even if garbage collecting.
10752 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10753 of SAVE_EXPR has no side effects.
10754 * cse.c: Move a comment.
10755 * tree.c: Minor reformatting.
10756 (int_size_in_bytes): Return -1 if constant overflows.
10758 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10760 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10762 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10764 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10765 after any change to c-parse.in, even if objc-parse.y didn't
10768 1999-12-18 David S. Miller <davem@redhat.com>
10770 * toplev.c (rest_of_compilation): Restore BLOCK tree
10771 reconstruction and branch shortening changes lost in
10772 December 18th change.
10774 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10776 * config/arm/linux-elf.h: Change all instances of
10777 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10778 * config/arm/uclinux-elf.h: Likewise.
10780 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10782 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10783 v_message_with_decl, file_and_line_for_asm,
10784 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10785 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10786 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10787 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10788 pfatal_with_name, fatal_io_error, need_error_newline,
10789 last_error_function, last_error_tick, announce_function,
10790 default_print_error_function, print_error_function,
10791 report_error_function, fnotice, error_with_file_and_line,
10792 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10793 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10794 warning_with_decl, warning_for_asm, warning, pedwarn,
10795 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10797 (compile_file): Use fnotice instead of notice. Adjust call.
10799 * diagnostic.c: New file.
10801 * Makefile.in (OBJS): Include diagnostic.o
10802 (diagnostic.o): Define dependence.
10804 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10806 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10809 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10811 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10813 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10815 * fixtests.c (is_cxx_header): New fn, split out of
10817 (else_endif_label): Allow "#endif // comment" in C++ headers,
10818 as determined by is_cxx_header.
10819 * fixfixes.c (else_endif_label_fix): Update comment.
10820 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10822 * genfixes: Correct double thinko in commandline parsing.
10823 * hackshell.tpl: Generate correct sh syntax for bypass
10826 * inclhack.def (all): Whenever an inserted preprocessor
10827 conditional is split over multiple lines, use double
10828 backslashes in this file so the fixed header will be readable.
10830 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10831 and add bypass entry for correct version of this header.
10832 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10833 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10835 (hpux8_bogus_inlines): New fix, split from...
10836 (ultrix_atof_param) ... here.
10837 (math_expression): Add bypass entry keyed to glibc comment
10838 indicating the problem has been dealt with; disable
10839 unnecessary sed operations; update commentary.
10840 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10841 add select and bypass entries, simplify shell operation.
10842 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10844 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10845 ultrix_atof_param): Add select entry.
10846 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10847 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10848 comments with the fixes they describe.
10850 * c-parse.in (string action): Do not warn about ANSI string
10851 concatenation in system headers. Affects C parser only.
10852 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10854 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10856 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10857 compiling libgcc2 the macro depends always on arch cpp defines.
10859 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10861 * loop.c (insert_loop_mem): Don't record MEMs from inside
10864 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10866 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10868 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10869 notes too, create one when replacement failed, attempt to simplify
10871 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10872 or REG_EQUIV notes.
10874 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10876 * crtstuff.c (__dso_handle): Declare.
10877 (__cxa_finalize): Likewise.
10878 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10881 * invoke.texi: Document -fuse-cxa-atexit.
10883 * tree.h (ptr_type_node): Document.
10884 (const_ptr_type_node): Likewise.
10886 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10888 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10889 (optimize_reg_copy_2): Likewise.
10890 (optimize_reg_copy_3): Likewise.
10891 (fixup_match_2): Likewise.
10892 (regmove_optimize): Likewise.
10893 (fixup_match_1): Liekwise.
10895 * i386.md (HI to SImode promoting splitters): Rewrite.
10896 (pushsf mem peep2): New.
10897 (testhi to andhi peep2): Remove.
10898 * i386.h (x86_promote_QImode): New.
10899 (TARGET_PROMOTE_QImode): New.
10900 (PREDICATE_CODES): Add promotable_binary_operator.
10901 * i386.c (x86_promote_QImode0: New.
10902 (promotable_binary_operator): New.
10903 * i386-protos.h (promotable_binary_operator): New.
10905 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10907 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10909 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10911 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10912 * function.c (insert_block_after_note): Remove.
10913 (retrofit_block): Likewise.
10914 (identify_blocks): Fix indentation.
10915 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10916 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10917 * function.h (insert_block_after_note): Remove prototype.
10918 (retrofit_block): Likewise.
10919 * integrate.c (expand_inline_function): Don't call
10920 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10921 just expand_start_bindings. Use the block_map to remap old
10922 NOTE_BLOCKs to new ones.
10923 (integrate_decl_tree): Keep track of remapped blocks.
10924 * integrate.h (struct inline_remap): Add block_map.
10925 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10926 NOTE_BLOCK on the notes.
10927 (expand_start_bindings): Rename to ...
10928 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10929 (expand_end_bindings): Set NOTE_BLOCK.
10930 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10931 reconstruct the BLOCK tree.
10932 * tree.h (expand_start_bindings): Macroize. Call ...
10933 (expand_start_bindings_and_block): New function.
10935 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10937 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10938 to match the format.
10940 1999-12-16 David S. Miller <davem@redhat.com>
10942 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10943 the outputs is a SUBREG.
10944 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10947 * config/sparc/sparc.c (epilogue_renumber): Add default case
10950 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10952 * toplev.c (rest_of_compilation): Run branch shortening after
10955 * regclass.c (loop_depth): Remove
10956 (scan_one_insn): Do not handle LOOP_NOTE insns.
10957 (regclass): Go through basic blocks and set loop_cost
10959 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10961 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10963 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10965 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10966 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
10967 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
10969 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
10971 * loop.c (insert_loop_mem): Ignore memory clobbers.
10973 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
10976 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
10978 * profile.c: Remove redundant #include "output.h".
10980 * h8300.md (HImode preinc peephole): Fix typo.
10982 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10984 * function.c (retrofit_block): Abort if we don't find a suitable insn.
10985 (insert_block_after_note): Abort if we don't have a previous block.
10986 Remove FN parameter.
10987 * function.h: Adjust.
10989 1999-12-15 Mark Mitchell <mark@codesourcery.com>
10991 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
10992 argument more than once.
10994 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
10996 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
10998 1999-12-15 Jakub Jelinek <jakub@redhat.com>
11000 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
11002 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11004 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
11005 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
11006 update stack_alignment_needed.
11007 (prepare_function_start): Initialize stack_alignment_needed
11008 * function.h (struct function): Add field stack_alignment_needed.
11010 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11012 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
11013 Handle live_throughout / dead_or_set instead of live_before /
11015 (save_call_clobbered_regs): Get register livenessinformation from
11016 chain->live_throughout.
11017 (add_stored_regs): New function.
11018 (insert_restore, insert_save): Add restored / saved registers to
11020 * global.c (reg_dies): New parameter chain.
11021 (reg_becomes_live): Third parameter is regs_set now.
11022 Changed all callers.
11023 (reg_dies): New parameter chain. Changed all callers.
11024 (build_insn_chain): Set live_throughout instead of
11025 live_before / live_after.
11026 * reload.h (struct insn_chain): Replace members live_before /
11027 live_after with live_throughout / dead_or_set.
11028 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
11029 instead of live_before / live_after.
11030 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
11031 (order_regs_for_reload, find_reg, finish_spills): Likewise.
11032 (choose_reload_regs_init): Likewise.
11033 * stupid.c (current_chain, find_clobbered_regs): Delete.
11034 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
11035 instead of chain->live_before / chain->live_after.
11036 (mark_hard_ref): New function.
11037 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
11039 1999-12-15 David S. Miller <davem@redhat.com>
11041 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
11043 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11045 * flow.c (calculate_loop_depth): Make global, remove prototype,
11046 rewrite to use new loop infrastructure.
11047 (find_basic_block): Remove calculate_loop_depth call.
11048 * toplev.c (rest_of_compilation): Call find_basic_block.
11049 * output.h (calculate_loop_depth): Declare.
11051 * flow.c (dump_flow_info): Dump loop_depth.
11052 (flow_loops_nodes_find): Increase loop_depth for basic block in the
11054 (flow_loops_find): Initialize the loop_depth for each basic block.
11056 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11058 * tree.c (decl_function_context): Handle virtual functions.
11060 * tlink.c (scan_linker_output): Don't look in demangled name when
11061 looking for linker output keywords.
11063 * dwarfout.c (output_type): We can defer namespace-scope classes.
11065 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
11067 * regclass.c (record_reg_classes): Update comment for merging
11068 register class preferences in reg->reg copies. Tighten conditions
11069 for merging register class preferences in reg->reg copies.
11071 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
11073 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
11075 1999-12-14 Geoff Keating <geoffk@cygnus.com>
11077 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
11078 (INIT_SECTION_ASM_OP): Delete.
11079 (FINI_SECTION_ASM_OP): Delete.
11080 (STARTFILE_SPEC): Define to hold just crtbegin.o.
11082 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
11084 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
11085 the abstract origin wasn't emitted.
11087 * dwarf2out.c (class_scope_p): New fn.
11088 (gen_subprogram_die): Use it.
11089 (gen_variable_die): Use it. Tweak logic.
11090 (gen_struct_or_union_type_die): Check context_die to determine
11091 if we're function-local.
11092 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
11094 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11096 * loop.c (check_dbra_loop): Can't reverse a biv that has
11097 maybe_multiple set.
11099 1999-12-14 Nick Clifton <nickc@cygnus.com>
11101 * config/arm/arm.c: Add support for -mcpu=arm720 command line
11104 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11106 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
11107 for givs made from biv increments.
11109 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
11111 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
11112 * alpha.c (override_options): Recognize -mcpu=ev67.
11113 * alpha.h (CPP_CPU_EV67_SPEC): New.
11114 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
11115 (EXTRA_SPECS): Update.
11117 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
11119 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
11120 appropriate for -lang-c89 and -std=*.
11121 * cppinit.c (cpp_handle_option): Likewise.
11122 (new_pending_define): New, split out from cpp_handle_option.
11123 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
11124 or enable trigraphs for -ansi/-std=*.
11126 * ginclude/stdarg.h (__va_copy): New.
11127 (va_copy): Don't define for C89.
11129 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
11131 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
11132 for long long multiply-accumulate.
11134 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11136 * regclass.c (scan_one_insn): Set loop_cost to 1 when
11137 optimizing for size.
11139 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11141 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
11142 if something changed. Back out that part of yesterday's changes.
11144 * loop.c (loop_max_reg): New static variable.
11145 (loop_optimize): Initialize it. Eliminate one unnecessary call to
11147 (scan_loop): Call reg_scan_update whenever we may have added new
11148 registers, and update loop_max_reg.
11150 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11152 * regclass.c (record_reg_classes): Do not do the copying preferrencing
11153 when source does not die.
11155 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
11157 1999-12-14 Jakub Jelinek <jakub@redhat.com>
11159 * config/sparc/linux64.h (TARGET_LIVE_G0,
11160 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
11162 * config/sparc/linux.h (TARGET_LIVE_G0,
11163 TARGET_BROKEN_SAVERESTORE): Likewise.
11164 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11165 TARGET_BROKEN_SAVERESTORE): Likewise.
11167 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
11168 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
11170 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
11171 as sparc64 block profiling register.
11172 * config/sparc/sparc.c (sparc_override_options): Allow block
11173 profiling with -m32.
11174 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
11175 profiling register.
11176 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
11177 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
11178 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
11180 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
11182 * config/sparc/sparc.h: Likewise.
11183 * config/sparc/xm-sysv4-64.h: Likewise.
11184 * config/float-sparc.h: Likewise.
11185 * glimits.h: Likewise.
11186 * longlong.h: Likewise.
11188 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
11189 (ASM_IDENTIFY_GCC): Remove.
11191 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11193 * combine.c (combine_simplify_rtx): Don't make shared rtl.
11194 (simplify_logical): Likewise.
11196 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11198 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
11199 * cppfiles.c (INO_T_EQ): Likewise.
11201 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11203 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
11204 * i386/mingw32.h (LIB_SPEC): Likewise.
11205 (STARTFILE_SPEC): Likewise.
11206 * i386/uwin.h (LIB_SPEC): Likewise.
11207 (STARTFILE_SPEC): Likewise.
11209 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
11210 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
11212 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
11214 * combine.c (combine_simplify_rtx): Fix order of checks for
11215 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
11217 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
11219 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
11220 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
11222 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11224 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
11226 * regclass.c (inv_reg_alloc_order): New array.
11227 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
11229 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
11230 counted_for_groups, counted_for_nongroups. Add fields rld and
11232 * reload.c (push_secondary_reload): Don't set nongroup field of
11234 (push_reload): Likewise.
11235 (find_reloads): Delete code to compute nongroup fields.
11236 * reload1.c (reload_insn_firstobj): New static variable.
11237 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
11239 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
11240 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
11241 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
11243 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
11245 (struct hard_reg_n_uses): Deleted.
11246 (potential_reload_regs): Deleted.
11247 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11248 (reload): Don't try to allocate reload registers if we already know
11249 we have to make another pass. Call select_reload_regs. Free memory
11250 starting with reload_firstobj when starting another pass.
11251 Don't allocate spilled_pseudos.
11252 (calculate_needs_all_insns): Call copy_reloads for an insn that
11253 needs reloads; don't call calculate_needs.
11254 (spill_cost): New static array.
11255 (used_spill_regs_local): New static variable.
11256 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11257 to compute potential_reload_regs.
11258 (find_reload_regs): Completely rewritten to use find_reg.
11259 (allocate_reload_reg): Don't test counted_for_groups or
11260 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11261 all cllers changed.
11262 (choose_reload_regs): Add fallback code that uses the existing
11263 register allocation from find_reload_regs.
11265 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11267 * flow.c (create_edge_list): Cast xmalloc return value.
11269 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11271 * doprnt.c: Remove incorrect comment closure.
11273 * cse.c: Fix a few minor whitespace goofs.
11275 1999-12-13 Don Bowman <don@pixstream.com>
11277 * mips/vxworks.h: Fix problem with comment termination.
11278 (EXTRA_SECTIONS): Add in_sbss.
11279 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11281 1999-12-12 David S. Miller <davem@redhat.com>
11283 * cse.c (struct cse_reg_info): Add hash_next member,
11284 reorder rest of struct for better packing on 64-bit
11286 (cse_reg_info_tree): Kill.
11287 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11288 REGHASH_FN): New custom pow2 hash mechanism.
11290 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11291 use a pow2 hash table.
11292 (get_cse_reg_info): Rework to use new REGHASH.
11293 (new_basic_block): Likewise, use HASH_SIZE, and inline
11295 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11296 and inline free_element call.
11297 (lookup_as_function, insert, flush_hash_table, invalidate,
11298 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11299 invalidate_for_call, use_related_value, find_comparison_args,
11300 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11301 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11302 get_element): Kill.
11304 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11306 * cse.c (cse_basic_block): Free qty_table consistently.
11308 1999-12-12 David S. Miller <davem@redhat.com>
11309 Jakub Jelinek <jakub@redhat.com>
11311 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11312 SUBREGs by hand, gen the appropriate hard reg directly.
11313 (movtf reg/mem split): Likewise and alter_subreg on destination
11315 (movtf mem/reg split): Similarly.
11316 (movdf_cc_sp64): Rename from hidden pattern.
11317 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11318 (movtf_cc_sp64, following split): New pattern and splitter.
11319 (movdf_cc_reg_sp64): Rename from hidden pattern.
11320 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11322 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11324 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11326 * loop.c (load_mems): Don't hoist written floating point mem
11329 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11331 * except.h (struct eh_queue): Add `next' pointer.
11332 (struct eh_status): Make x_ehqueue a pointer.
11333 (push_ehqueue): Declare.
11334 (pop_ehqueue): Likewise.
11335 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11337 (expand_fixup_region_end): Likewise.
11338 (expand_leftover_cleanups): Likewise.
11339 (push_ehqueue): Define.
11340 (pop_ehqueue): Likewise.
11341 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11342 than doing it inline.
11343 (expand_start_all_catch): Adjust now that ehqueue is a
11345 (mark_eh_queue): Mark all level of the queue.
11346 (mark_eh_status): Adjust now that ehqueue is a
11348 (init_eh_for_function): Allocate ehqueue.
11349 (free_eh_status): Free it.
11350 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11351 expansion for a fixup.
11353 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11355 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11357 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11358 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11359 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11360 function_ptr, getpagesize, __enable_execute_stack,
11361 __enable_execute_stack, __clear_insn_cache,
11362 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11363 _cleanup, _exit, __default_terminate, __terminate_func,
11364 __terminate, __empty, __throw, new_eh_context,
11365 eh_context_initialize, eh_context_static, eh_context_specific,
11366 get_eh_context, __get_eh_context, __get_eh_info,
11367 init_reg_size_table, eh_threads_initialize,
11368 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11369 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11370 __pure_virtual): Add prototype arguments.
11371 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11372 Cast a signed value to unsigned long when comparing against one.
11373 (new_eh_context): Wrap in _GTHREADS macro.
11374 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11376 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11377 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11379 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11381 * combine.c (record_promoted_value): Remove unused variable
11384 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11386 * global.c (record_conflicts): Likewise for `j'.
11388 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11391 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11393 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11394 output_fp_compare): Constify a char*.
11396 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11398 (override_options, ix86_comp_type_attributes, print_operand,
11399 output_387_binary_op, output_fix_trunc, output_fp_compare):
11401 (ix86_sched_reorder): Mark parameter `clock_var' with
11404 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11406 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11408 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11409 operand, for use in the Java front-end.
11411 1999-12-10 Ben Collins <bcollins@debian.org>
11413 * configure.in: Fix typo for "-64" in 64bit as check.
11414 * configure: Rebuilt.
11416 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11418 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11421 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11423 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11424 concatenation is utilized.
11426 * invoke.texi (-Wtraditional): Document it.
11428 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11430 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11431 Cast a ptrdiff_t to long and pass it to printf with %ld.
11433 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11435 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11436 68881, we have no 68881 registers at all.
11437 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11438 value in a 68881 register if it is available.
11440 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11442 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11443 for long long multiply-accumulate.
11445 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11447 * loop.c (insert_loop_mem): Undo last change.
11449 1999-12-10 David S. Miller <davem@redhat.com>
11451 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11453 * config/sparc/sparc-protos.h: Add them.
11454 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11455 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11456 constraints which use those helpers.
11457 (EXTRA_CONSTRAINT): Use this new macro.
11458 * md.texi: Update sparc target constraints documentation.
11459 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11460 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11461 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11462 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11463 (movsf high/lo_sum split): Rework for new patterns.
11464 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11466 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11468 * c-common.c (c_common_nodes_and_builtins):
11469 Create __builtin_ptrdiff_t and __builtin_size_t.
11471 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11473 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11475 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11477 * regclass.c (globalize_reg): Re-instate test that allows
11478 fixed registers to be declared as a variable even after functions
11481 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11483 * i386.md (cpu attribute): Add "athlon".
11484 (athlon_decode): New attribute.
11485 (Athlon scheduling units definitions): New.
11486 (fcmp and shld patterns): Set athlon_decode to "vector".
11487 * i386.c (athlon_cost): New.
11489 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11490 x86_use_sahf): Set for Athlon.
11491 (x86_use_fiop): Unset for Athlon.
11492 (override_options): Define Athlon alignments and "athlon" name.
11493 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11494 * i386.h (TARGET_ATHLON): New.
11495 (enum processor_type): Add PROCESSOR_ATHLON.
11496 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11498 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11500 1999-12-09 Andreas Jaeger <aj@suse.de>
11502 * loop.c (record_biv): Declare parameter as int.
11504 * config/i386/i386-protos.h: Declare long_memory_operand.
11506 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11508 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11509 EXPR_WITH_FILE_LOCATION.
11511 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11513 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11516 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11518 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11521 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11523 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11524 default on linux64 again.
11525 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11526 models for multilibing.
11527 * genmultilib: Accept | as alternative separator within a set in
11530 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11532 * calls.c (precompute_arguments): Make sure initial_value contains
11533 value pseudo which CSE expects.
11534 * cse.c (struct set): New entry orig_src.
11535 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11538 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11540 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11542 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11544 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11546 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11548 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11549 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11551 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11554 * longlong.h: Merge in changes from glibc.
11555 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11556 -mno-app-regs libgcc can be compiled.
11557 * libgcc2.c: Add defines so that the updated longlong.h
11558 can be used in libgcc2.a. Also, make sure on most architectures
11559 (at least on all which have optimized code in longlong.h defined
11560 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11562 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11564 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11565 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11566 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11568 * configure: Rebuilt.
11570 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11572 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11573 outputs require a register.
11575 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11577 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11578 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11579 functions like dptoul will be resolved.
11580 (libgcc2.a): Make sure that the object files from DPBIT are named
11581 differently (prefix `_dp') from those that would be coming from
11584 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11586 * configure.in: When target is sparc* and tm_file contains 64,
11587 test for 64bit support in assembler. If not supported, remove
11588 sparc/t-sol2-64 from target-dependent Makefile fragments.
11589 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11590 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11591 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11592 * acconfig.h (AS_SPARC64_FLAG): Added.
11593 * configure, config.in: Rebuilt.
11594 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11595 support. Use AS_SPARC64_FLAG.
11597 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11599 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11600 suitable for holding OFmode values so that gcc works with complex
11602 (hard_64bit_mode_classes): Likewise.
11604 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11605 so that it is actually matched.
11606 (sethi_di_medlow): Likewise.
11608 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11609 as legitimate constant if -mvis.
11610 * config/sparc/sparc.md (movtf): Likewise.
11611 (clear_sf): Use const_double_operand.
11612 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11614 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11615 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11616 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11617 routines, _Qp_* cannot be handled like that now.
11618 (INIT_TARGET_OPTABS): Likewise.
11619 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11620 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11621 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11622 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11623 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11624 divtf3, sqrttf3): New expanders.
11625 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11626 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11627 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11630 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11631 * configure: Rebuilt.
11632 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11633 -mcpu is given and we're doing 64bit compiles.
11635 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11637 * loop.h (struct induction): Add multi_insn_incr.
11638 * loop.c (basic_induction_var): New multi_insn_incr argument.
11639 Set it if we search back through previous insns for the biv.
11640 (record_biv): New multi_insn_incr argument; fill in struct induction.
11641 (strength_reduce): Discard an iv with multiple bivs, any of
11642 which require multiple insns to increment.
11644 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11646 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11649 1999-12-06 David S. Miller <davem@redhat.com>
11651 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11652 PROMOTE_FUNCTION_RETURN.
11654 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11656 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11657 and handle REG_UNUSED note on insn.
11659 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11660 inner_mask instead of mask.
11662 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11664 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11665 zero if there was an error.
11667 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11669 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11672 * longlong.h: Fix clobbers in SPARC asm statements.
11674 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11675 valid sethi operations when TARGET_ARCH64.
11677 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11678 always use move_by_pieces to avoid infinite recursion.
11679 (restore_fixed_argument_area): Likewise.
11681 * combine.c (check_promoted_subreg, record_promoted_value): New
11683 (combine_instructions): Use them to retain nonzero and sign bit
11684 information after SUBREGs are eliminated by optimizations in
11685 this pass if PROMOTE_FUNCTION_RETURN.
11687 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11688 .register declaration. Don't use variables with __ prefixes.
11690 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11692 * fold-const.c (optimize_bit_field_compare): Only use one mode
11693 for both RHS and LHS in non-constant case.
11695 1999-12-06 Nathan Sidwell <nathan@acm.org>
11697 * frame.c (start_fde_sort): Only allocate erratic array, if
11698 linear one was allocated. Return allocated flag.
11699 (fde_insert): Only insert, if there's a valid array.
11700 (fde_end_sort): Split, sort and merge if linear and erratic
11701 arrays exist, else just sort linear one.
11702 (search_fdes): New function. Linear search through original fde
11704 (frame_init): Permit multiple initializations. Cope with
11706 (find_fde): Fallback on linear search, if failed to sort array.
11707 (__deregister_frame_info): Only free sorted array, if we
11710 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11712 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11714 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11716 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11718 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11720 * tree.h (special_function_p): Declare.
11721 * calls.c (special_function_p): Make it global. Don't take `name'
11722 as a parameter. Fix typo in 1999-11-28 change.
11723 (expand_cal): Adjust.
11725 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11727 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11728 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11729 EXPR_WFL_FILENAME_NODE.
11730 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11732 * print-tree.c (print_note): Print TREE_PRIVATE and
11735 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11736 the original die cannot be found.
11738 * varray.h (varray_head_tag): Add elements_used.
11739 (VARRAY_PUSH): New macro.
11740 (VARRAY_POP): Likewise.
11741 (VARRAY_TOP): Likewise.
11742 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11744 * varray.c (varray_init): Initialize elements_used.
11745 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11746 (INTEGRATE_H): New variable.
11747 (integrate.o): Depend on INTEGRATE_H.
11748 (unroll.o): Likewise.
11750 * function.h (insert_block_after_note): Declare.
11751 * function.c (insert_block_after_note): Split out from ...
11752 (retrofit_block): ... here.
11754 * stmt.c (expand_fixup): Fix typo in comment.
11756 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11758 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11759 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11760 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11761 (regmove_optimize, fixup_match_1): Likewise.
11763 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11765 * flow.c (flow_loops_dump): Add missing argument when calling
11766 flow_loop_nested_p.
11768 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11769 Greg McGary <gkm@gnu.org>
11771 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11772 (init_attributes): Add A_NO_LIMIT_STACK.
11773 (decl_attributes): Handle A_NO_LIMIT_STACK.
11774 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11775 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11776 Handle stack bounds checking.
11777 * flags.h (flag_stack_check): Use the word 'probe' rather than
11778 'check', because the flag doesn't actually cause any checking to
11780 * function.c (expand_function_start): Set
11781 current_function_limit_stack.
11782 * function.h (struct function): Add limit_stack.
11783 (current_function_limit_stack): Define.
11784 * invoke.texi (Code Gen Options): Document new options.
11785 * rtl.h: Declare stack_limit_rtx.
11786 * toplev.c (stack_limit_rtx): New variable.
11787 (decode_f_option): Handle new options -fstack-limit-register=REG,
11788 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11789 (main): Add stack_limit_rtx as GC root.
11790 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11791 (struct tree_decl): New member no_limit_stack.
11793 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11795 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11796 (conditional_trap+1): Get new mnemonic correct.
11797 (conditional_trap+2): New pattern for DImode traps.
11799 * config/m68k/m68k.c (output_function_prologue): Handle
11801 * config/m68k/m68k.md (trap): New insn.
11802 (conditional_trap): New insn.
11803 * md.texi (Standard Names): Document `trap' and
11804 `conditional_trap'.
11805 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11806 so a cc0 setter doesn't get emitted at some random place in the
11809 * config/i960/i960.md (trap): New insn.
11810 (conditional_trap): New expander.
11811 (conditional_trap+1, conditional_trap+2): New insns for signed
11812 and unsigned cases.
11813 * config/i960/i960.c (i960_function_prologue): Use
11814 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11816 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11817 Geoffrey Keating <geoffk@cygnus.com>
11819 * flags.h (warn_padded, warn_packed): Add global var decls.
11820 * toplev.c (warn_padded, warn_packed): Add global var defns.
11821 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11822 * stor-layout.c (layout_record): Add local variable `type'
11823 to hold often-used TREE_TYPE (field). Add local variable
11824 `unpacked_align' to hold alignment that would be in force
11825 if no `packed' attribute were present. Warn if `packed' attribute
11826 is unnecessary, or even harmful. Warn when gcc inserts padding
11827 to satisfy alignment requirements of members. Use NULL_TREE
11828 when checking whether var_size is set.
11829 * invoke.texi: Document new flags.
11831 1999-12-03 Nathan Sidwell <nathan@acm.org>
11833 * frame.c (fde_split): Reimplement to avoid variable sized array.
11835 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11837 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11838 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11840 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11842 * invoke.texi: Document the mips option -mno-crt0
11844 1999-12-02 Mike Karr <mkarr@mathworks.com>
11846 * cccp.c (argdata): Added free_ptr member.
11847 (macroexpand): Initialize free_ptr of each argument. When an
11848 argument's buffers are freed, if the argument's free_ptr corresponds
11849 to a buffer on the input stack, then return the free_ptr to that stack
11850 frame, otherwise, free it.
11851 (macarg): If an argument begins and ends on the same input stack level,
11852 then transfer the free_ptr of that buffer to the argument in case
11853 the stack is popped during the processing of a subsequent argument.
11855 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11857 * loop.c (note_reg_stored): New function.
11858 (struct note_reg_stored_arg): New structure.
11859 (try_copy_prop): Change to be more conservative; only replace within
11860 one extended basic block and stop replacing if a store to the
11861 replacement reg is seen.
11863 1999-12-02 Nick Clifton <nickc@cygnus.com>
11865 * config/fp-bit.c: Initialise all fields of the NAN
11868 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11871 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11873 * i386.md (extend?f?f2): Force the input into a register, not
11876 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11878 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11880 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11881 alternative because setting up 64bit constant is usually costly,
11882 especially when reload is in progress or completed.
11883 (movdf_const_intreg_sp64): Likewise.
11884 (movdf_const_intreg split): Fix building up constants when
11885 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11887 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11889 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11890 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11893 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11894 (asm_file_start): Emit .am33 into assembly file when compiling for
11896 (print_operand_address): Handle POST_INC addresses.
11897 (can_use_return_insn, initial_offset): Check AM33 registers too.
11898 (expand_prologue): Check & save AM33 registers too.
11899 (expand_epilogue): Similarly.
11900 (secondary_reload_class): Handle AM33 specific secondary reloads.
11901 (output_tst): Emit efficient code for the AM33 too.
11902 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11903 (TARGET_SWITCHES): Add -mam33 switch.
11904 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11905 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11906 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11907 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11908 (enum reg_class, REG_CLASS_NAMES): Likewise.
11909 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11910 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11911 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11912 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11913 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11914 (HAVE_POST_INCREMENT): Define.
11915 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11916 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11917 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11918 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11919 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11920 (zero_extend to SI from QI/HI): Likewise.
11921 (sign_extend to SI from QI/HI): Likewise.
11922 (mulsidi3, umulsidi3): New patterns for the AM33.
11923 (tstsi with zero extension from QI/HI): Add AM33 variants.
11924 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11925 (return_internal_regs, store_movm): Handle new AM33 registers.
11926 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11927 (LIBGCC, INSTALL_LIBGCC): Likewise.
11928 * invoke.texi: Document new flags.
11930 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11932 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11933 (addsi3_carry): Likewise.
11934 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11935 (sbbsi3_carry): Likewise.
11936 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11937 (mulhi3): Likewise.
11938 (test?i_1): Ensure that only one operand is memory.
11939 (conditional move patterns): likewise.
11940 (shift and rotate patterns): Rewrite to expander, add
11941 "binary_operator_ok" to the condition.
11943 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11944 * i386.h (procesor_costs): Add movzbl_load field.
11945 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11946 non-Q registers, accept DImode registers anywhere.
11948 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11949 * i386.c (*_cost): Set value for movxbl_load field.
11951 * (addsi): New add to lea splitter.
11952 (ashlsi): Likewise.
11953 (lea to add/shift peep2): New.
11955 1999-12-01 Mark Salter <msalter@cygnus.com>
11957 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11958 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11959 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11961 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11963 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11964 * i386.md (movsi_xor): New.
11966 (movsi_1, movhi_1, movqi_1): Remove.
11967 (movsi_2): Rename to movsi_1.
11968 (movhi_2): Rename to movhi_1.
11969 (movqi_2): Rename to movqi_1.
11970 (movdi_1): Remove; remove splitter.
11971 (movdi_2): Rename to movdi_1.
11972 (divmodsi4 splitter): Do not emit clobbers for move patterns.
11973 (long move peep2): Do not create QI or HI mode mov0s
11974 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
11976 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
11979 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
11980 (abs?f2_if): Likewise.
11982 1999-11-30 Alex Samuel <samuel@codesourcery.com>
11984 * ggc.h (ggc_test_and_set_mark): New macro.
11985 (ggc_mark_rtx): Use ggc_test_and_set_mark.
11986 (ggc_mark_tree): Likewise.
11987 (ggc_mark_rtvec): Likewise.
11988 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
11990 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
11992 * dwarf2out.c (scope_die_for): Only handle types. Only search for
11994 (decl_scope_table): Just an array of trees now.
11995 (push_decl_scope): Simplify.
11996 (dwarf2out_init): Adjust.
11997 (local_scope_p): New fn.
11998 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
11999 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
12000 (gen_typedef_die): Likewise.
12001 (gen_lexical_block_die): Don't call push/pop_decl_scope.
12002 (gen_inlined_subroutine_die): Likewise.
12003 (gen_abstract_function): Set current_function_decl temporarily.
12004 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
12005 Handle block extern declarations. Don't call push/pop_decl_scope.
12006 (gen_decl_die): Fix logic for block externs.
12008 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12010 * calls.c (special_function_p): Remove `realloc' and add `strdup'
12011 to the list of functions which have attribute malloc by default.
12013 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12015 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
12016 integer constant does not match the traditional type, limit the
12017 warnings to cases where the base of the type is ten.
12019 * invoke.texi (-Wtraditional): Document it.
12021 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12023 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
12024 * rs6000.md: Only access a CONST_INT with INTVAL
12026 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
12028 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
12029 (compute_nearerout): Likewise.
12030 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
12031 size_t to unsigned long for formatting.
12033 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12035 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
12036 Allow the user to override call-used/fixed state of %g2-5
12037 registers from the command line (with the exception of %g4 for
12039 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
12040 there is a higher chance of having a leaf function.
12041 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
12042 for ARCH64 which has %ccr register.
12043 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
12045 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
12046 insn accept into delay slot any insn which does not use %[ol]
12047 registers. Accept some LO_SUM and shift left by 1 for the normal
12049 (output_function_epilogue): Likewise.
12050 (epilogue_renumber): Added argument which inhibits any renumbering
12051 and just tests if the rtx does not use any %[ol] registers.
12052 (output_return): Reflect above change.
12054 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12056 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
12057 aggregate passing for sizes <= 16 bytes.
12059 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
12061 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
12062 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
12063 * reload.c (find_dummy_reload): Likewise.
12064 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
12065 * reload1.c (reload_as_needed): Likewise.
12066 * stupid.c (stupid_find_reg): Likewise.
12067 * tm.texi (Obsolete Register Macros): Delete section.
12068 * gmicro.h: Remove all traces of the two macros.
12069 * i386.h: Likewise.
12070 * m88k.h: Likewise.
12071 * mips.h: Likewise.
12073 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
12075 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
12076 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
12077 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
12078 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
12079 units for the sparclite86x chip.
12080 (flush): Revert October 14th change; add SImode specifically.
12081 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
12082 * invoke.texi: Document it.
12084 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
12086 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
12087 psimode_truncation_operand.
12089 * config/mn10200/mn10200.c (psimode_truncation_operand): New
12090 function. Return true if the operand is either a MEM valid
12091 for a PSImode address or not a MEM at all.
12093 * config/mn10200/mn10200.md (truncsipsi2): Use
12094 psimode_truncation_operand.
12096 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12098 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
12099 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
12100 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
12101 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
12102 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
12103 (flow_loop_level_compute, low_loops_level_compute): Likewise.
12104 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
12105 * basic-block.h: Protect from multiple inclusion.
12106 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
12107 (struct loops, struct loop): Define structures.
12108 * sbitmap.c (sbitmap_a_subset_b_p): New function.
12109 * sbitmap.h: Protect from multiple inclusion.
12110 (sbitmap_a_subset_b_p): Add prototype.
12111 * Makefile.in (LOOP_H): New macro.
12112 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
12114 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
12116 * cppinit.c (CAT): The argument list of this macro may not contain
12119 1999-11-29 David S. Miller <davem@redhat.com>
12121 Move quantity tables and register equivalence chains into
12122 per-qty and per-register structure arrays respectively.
12123 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
12124 qty_const_insn, qty_comparison_code, qty_comparison_const,
12125 qty_comparison_qty): Delete, replace with...
12126 (qty_table): this structure table.
12127 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
12128 (reg_eqv_table): this structure table.
12129 (make_new_qty): Add argument MODE. Caller updated.
12130 Update to use qty_table and reg_eqv_table.
12131 (make_regs_eqv, delete_reg_equiv, insert_regs,
12132 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
12133 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
12134 cse_process_notes, cse_main, cse_basic_block): Likewise.
12136 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12138 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
12139 operation if C is negative.
12140 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
12141 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
12142 law for some divisions if constant is negative and change other
12143 divisions to the opposite rounding.
12145 * expr.c (store_constructor_field): If bit position is not multiple
12146 of alignment of TARGET's mode, use BLKmode.
12148 * expr.c (expand_expr_unaligned): Add more code from full case
12149 that is needed when OP0 is in a register.
12151 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12153 * dwarfout.c (field_byte_offset): Size can be zero if there was
12156 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12158 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
12159 (associate_trees): Delete unused var TEM.
12160 (extract_muldiv): Delete unused var CANCEL_P.
12162 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
12163 (target_isinf, target_isnan, target_negative): Add return types to
12164 function definitions.
12166 1999-11-29 Bruce Korb <autogen@linuxbox.com>
12168 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
12169 * fixinc/hackshell.tpl: ditto
12170 * fixinc/fixtests.c(double_slash_test): more C++ header testing
12171 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
12173 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12175 * reload.c (push_reload): When looking for a register to put into
12176 reg_rtx, make sure all hard regs in a multi-reg register are in the
12177 right class and nonfixed.
12179 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
12180 pending_read_insns, pending_write_insns, pending_read_mems,
12181 pending_write_mems, pending_list_length, last_pending_memory_flush,
12182 last_function_call, sched_before_next_call): Move static variables
12184 (bb_ prefixed versions): Replace with single array bb_deps.
12185 (struct deps): New structure.
12186 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
12187 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
12188 argument of type "struct deps *"; use that instead of global
12189 variables. All callers changed.
12190 (init_rgn_data_dependencies): Delete function.
12191 (init_rtx_vector): Delete function.
12192 (init_deps): New function.
12194 (free_pending_lists): Simplify, we always use the bb_deps array even
12195 if only one basic block.
12196 (compute_block_backward_dependences): Likewise.
12197 (schedule_region): Likewise.
12199 (propagate_deps): New function, broken out of
12200 compute_block_backward_dependences.
12201 (compute_block_backward_dependences): Use it.
12203 * alpha.md: Delete useless patterns that tried to work around
12204 register elimination problems.
12206 * unroll.c (loop_iterations): Don't abort if iteration variable
12209 From Joern Rennecke:
12210 * reload1.c (reloads_conflict): Reverse test comparing operand
12211 numbers when testing for conflict between output/outaddr reloads.
12213 1999-11-29 David S. Miller <davem@redhat.com>
12215 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
12217 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
12219 1999-11-28 Robert Lipe <robertl@cygnus.com>
12221 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
12222 table from .fini into .dtor.
12224 1999-11-28 Anthony Green <green@cygnus.com>
12226 * tree.h (struct tree_decl): Add malloc_flag.
12227 (DECL_IS_MALLOC): Define.
12228 * c-common.c (attrs): Add A_MALLOC attribute.
12229 (init_attributes): Add this attribute to the table.
12230 (decl_attributes): Handle malloc attribute.
12231 * calls.c (special_function_p): Check for the malloc attribute.
12232 * extend.texi (Function Attributes): Document malloc attribute.
12234 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
12236 * pa.md (reload shift-add patterns): Remove.
12238 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12240 * reorg.c (dbr_schedule) Print more statistics. Corrected
12241 problem when printing info when 3 delay slots are filled.
12243 1999-11-28 Jakub Jelinek <jakub@redhat.com>
12245 * combine.c (setup_incoming_promotions): Pass an outgoing
12246 regno to FUNCTION_ARG_REGNO_P which it expects.
12248 1999-11-28 Andreas Jaeger <aj@suse.de>
12250 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12252 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12254 * cccp.c (do_include): Avoid initialization of automatic variable.
12256 * integrate.c (mark_stores): Function definition made void, to match
12257 previous declaration.
12258 * regclass.c (dump_regclass): Ditto.
12259 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12261 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12263 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12264 known to be multiple of divisor.
12266 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12268 * combine.c (try_combine): Add code to try to merge a set of a
12269 two-word pseudo to a constant with a setting of one of those words
12272 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12273 (split_tree): Completely rework to make more general.
12274 (make_range, fold): Call negate_expr.
12275 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12276 (fold, associate): Call new split_tree and associate_trees.
12277 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12279 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12281 * loop.c (try_copy_prop): Avoid GNU C extension.
12283 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12285 * except.c (init_eh_for_function): Still zero eh_return_context,
12286 eh_return_stack_adjust, and eh_return_handler.
12288 * except.h (eh_status): Adjust documentation for x_protect_list.
12289 (begin_protect_partials): New function.
12290 * except.c (enqueue_eh_entry): Fix formatting.
12291 (get_first_handler): Add consistency check.
12292 (add_partial_entry): Adjust usage of protect_list.
12293 (emit_cleanup_handler): Save and restore ehqueue.
12294 (expand_start_all_catch): Add comment.
12295 (begin_protect_partials): New function.
12296 (end_protect_partials): Adjust usage of protect_list.
12297 (init_eh_for_function): Use xcalloc.
12299 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12301 * c-common.c (check_format_info): Don't call a variadic function
12302 with a non-literal format string.
12304 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12306 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12307 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12310 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12313 * collect2.c (collect_wait): Likewise.
12315 * dbxout.c (dbxout_type): Likewise.
12317 * gcc.c (do_spec_1): Likewise.
12319 * genemit.c (gen_insn, gen_expand): Likewise.
12321 * genrecog.c (write_switch, write_subroutine): Likewise.
12323 * mips-tfile.c (catch_signal, botch): Likewise.
12325 * print-rtl.c (print_rtx): Likewise.
12327 * toplev.c (default_print_error_function, report_error_function,
12328 _fatal_insn): Likewise.
12330 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12332 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12334 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12336 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12337 operations when needed.
12338 * i386.md (fop_?f_comm): New.
12339 (fop_?f_1): Do not accept commutative operands.
12341 1999-11-25 Andreas Jaeger <aj@suse.de>
12343 * config/mips/mips.md (casesi_internal): Add missing brace.
12345 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12347 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12348 (splice_child_die): Handle moving a child DIE from the declaration
12349 DIE of a class to its specification.
12350 (gen_struct_or_union_type_die): Use 'complete' consistently.
12351 (gen_decl_die): Generate the virtual context DIE first.
12352 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12354 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12356 * config/mips/mips.md (call_value_multiple_interanal1): New.
12358 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12360 * dwarf2out.c (free_AT, free_die): New fns.
12361 (remove_children): Call them.
12362 (output_line_info): Disable removal of duplicate notes.
12364 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12365 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12366 means pretend the type isn't defined.
12367 Don't defer emitting types.
12368 (gen_type_die_for_member): New fn.
12369 (gen_decl_die): Call it.
12370 (splice_child_die): New fn.
12371 (gen_member_die): Call it rather than generate duplicate dies.
12373 Defer emitting information for the abstract instance of an inline
12374 until we either inline it or emit an out-of-line copy.
12375 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12376 from output_inline_function if DECL_ABSTRACT is also set.
12377 (block_ultimate_origin): Likewise.
12378 (gen_abstract_function): New fn.
12379 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12380 (gen_subprogram_die): An abstract instance is not a declaration
12381 just because it doesn't match current_function_decl. Don't abort
12382 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12383 has an abstract origin.
12384 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12385 abstract instance here.
12387 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12389 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12390 where we need to reload fpul from a system register.
12392 1999-11-24 Andreas Jaeger <aj@suse.de>
12394 * config/mips/linux.h (CPP_PREDEFINES): Added.
12395 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12397 1999-11-24 Andreas Jaeger <aj@suse.de>
12399 * config/mips/linux.h (TARGET_VERSION): Added.
12400 (HANDLE_SYSV_PRAGMA): Added.
12401 (DEFAULT_VTABLE_THUNKS): Added.
12403 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12405 * local-alloc.c (qty): New structure and static variable.
12406 (qty_phys_reg): Remove, all references changed to qty.
12407 (qty_n_refs): Likewise.
12408 (qty_min_class): Likewise.
12409 (qty_birth): Likewise.
12410 (qty_death): Likewise.
12411 (qty_size): Likewise.
12412 (qty_mode): Likewise.
12413 (qty_n_calls_crossed): Likewise.
12414 (qty_alternate_class): Likewise.
12415 (qty_changes_size): Likewise.
12416 (qty_first_reg): Likewise.
12417 (alloc_qty): Rename variable QTY to QTYNO.
12418 (finf_free_reg): Likewise.
12419 (local_alloc): Allocate qty, do not allocate the removed variables.
12421 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12423 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12424 when -membedded-pic is passed.
12426 * config/mips/mips.md (casesi): Handle 64-bit case too.
12427 (casesi_internal_di): New insn.
12429 * config/mips/mips.c (embedded_pic_offset): Always make the
12430 embedded-pic subtractions relative to the name of the current
12431 function by use of the magic string "..CURRENT_FUNCTION".
12432 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12434 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12436 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12437 of (const_int 0), when what we really care about is
12438 whether it's a zero constant anyway.
12439 (div_trap_mips16): Likewise.
12441 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12443 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12444 unroll_block_trees when generating debuggable code.
12446 * tree.h (unsave_expr_1): New function.
12447 (lang_unsave): New variable.
12448 (get_callee_fndecl): New function.
12449 * tree.c (unsave_expr_now_r): New function.
12450 (lang_unsave): Define.
12451 (unsave_expr_1): Likewise.
12452 (unsave_expr_now_r): Split out from unsave_expr_now.
12453 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12454 call unsave_expr_now_r.
12455 (get_callee_fndecl): Define.
12457 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12458 (gencheck.o): Do depend on lang_tree_files.
12460 * integrate.h (copy_decl_for_inlining): New declaration.
12461 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12462 (copy_decl_for_inlining): New function.
12463 (integrate_parm_decls): Use it.
12464 (integrate_decl_tree): Likewise.
12466 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12468 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12469 the second two from the first.
12470 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12471 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12472 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12474 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12475 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12478 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12480 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12481 needed on the address operand.
12482 * pa.c (call_operand_address): Check for the correct mode.
12484 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12486 * loop.c: Include "basic-block.h".
12487 (try_copy_prop, replace_loop_reg): New functions.
12488 (load_mems): Detect registers that just hold copies of the hoisted
12489 mem, and call try_copy_prop to eliminate them.
12490 * Makefile.in (loop.o): Update dependencies.
12492 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12494 * Makefile.in (gencheck.o): Depend on gencheck.h.
12495 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12496 (insn-peep.o): Depend on except.h and function.h.
12497 (insn-attrtab.o): Depend on RECOG_H.
12498 (insn-output.o): Depend on toplev.h and flags.h.
12499 (gengenrtl.o): Depend on real.h.
12500 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12501 Unify all dependencies to be on RECOG_H rather than recog.h.
12503 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12505 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12506 * configure.in: Try building a bi-arch 32/64-bit compiler on
12507 sparc-*-solaris2.7 and higher.
12508 * configure: Rebuild.
12510 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12512 * config/freebsd.h: New, FreeBSD architecture independent file.
12513 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12514 independent pieces.
12515 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12516 directly by i386/freebsd.h.
12517 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12518 independent configuration file.
12519 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12520 directly by i386/freebsd.h.
12521 * configure: Rebuilt.
12523 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12524 which is in the user's namespace.
12525 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12526 `i386' which is not in our namespace.
12528 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12530 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12532 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12534 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12535 (add_dwarf_attr, add_child_die): Just push onto the front.
12536 (reverse_die_lists): New fn.
12537 (add_sibling_attributes): Use it.
12538 (push_decl_scope): Reorganize.
12539 (add_name_and_src_coords_attributes): Don't set file and line for
12540 an artificial decl.
12541 (gen_subprogram_die): An artificial function doesn't need to match
12543 (gen_compile_unit_die): Return the generated die. Only add
12544 AT_comp_dir if the filename is relative.
12545 (remove_AT): Simplify loop. Also free string values.
12546 (output_die): A DIE ref can't be null.
12547 (output_value_format, value_format): Take a dw_attr_ref.
12548 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12549 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12550 AT_addr, AT_lbl): New fns.
12551 (various): Use them.
12552 (various): Constify.
12554 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12556 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12557 take SUBREG_WORD into account.
12558 (if_then_else_cond): Likewise.
12560 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12562 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12563 clause from BSD license, pursuant with
12565 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12567 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12569 * loop.c (load_mems): Reformat slightly.
12570 * basic-block.h (regset_head): New typedef.
12571 (INIT_REG_SET): New macro.
12573 1999-11-22 Bruce Korb <autogen@linuxbox.com
12575 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12576 (mips-dec-bsd*): non-functional code
12577 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12579 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12580 added three replacement fixes
12581 (no_double_slash): removed comments that are not (any longer) pertinent
12582 (bad_lval): this fix currently runs against many files.
12583 The comment seems to indicate that we should select for files
12584 containing 'pragma extern_prefix'.
12586 * fixinc/fixinc.x86-linux-gnu: deleted
12587 * fixinc/inclhack.sh: regen
12588 * fixinc/fixincl.x: regen
12589 * fixinc/fixincl.sh: regen
12591 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12593 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12594 its code is INSN and it has no notes.
12596 1999-11-22 Andrew Haley <aph@cygnus.com>
12598 * varasm.c (function_defined): Remove.
12599 (make_function_rtl): Don't set function_defined.
12600 (make_decl_rtl): Remove global register warning.
12601 * regclass.c (no_global_reg_vars): New variable.
12602 (globalize_reg): Warn if function has already been defined.
12603 (regclass_init): Set no_global_reg_vars.
12605 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12607 * regclass.c (reg_pref): New structure and static variable
12608 (prefclass): Delete.
12609 (altclass): Delete.
12610 (all uses of prefclass and altclass): Use reg_pref instead.
12612 1999-11-21 Nick Clifton <nickc@cygnus.com>
12614 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12616 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12617 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12618 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12620 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12622 * varasm.c (output_constructor): Solve problem with long long
12623 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12625 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12627 * global.c (allocno): New structure and static variable.
12628 (allocno_reg): Remove, all references replaced by allocno.
12629 (allocno_size): Likewise.
12630 (hard_reg_conflicts): Likewise.
12631 (hard_reg_preferences): Likewise.
12632 (hard_reg_copy_preferences): Likewise.
12633 (hard_reg_full_preferences): Likewise.
12634 (regs_someone_prefers): Likewise.
12635 (allocno_calls_crossed): Likewise.
12636 (allocno_n_refs): Likewise.
12637 (allocno_live_length): Likewise.
12638 (find_reg): Rename ALLOCNO to NUM.
12640 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12641 references updated.
12642 (may_move_out_cost): New variable.
12643 (init_reg_sets_1): Initialize may_move_out_cost.
12644 (record_reg_classes): Use may_move_out_cost.
12646 * regclass.c (dump_regclass): New function.
12647 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12648 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12649 pass rtl_dump_file to regclass.
12650 * rtl.h (regclass): Update prototype.
12652 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12654 * i386.md (neg, not and abs patterns): Revmap to use
12655 ix86_expand_unary_operator and ix86_unary_operator_ok.
12656 (add?f and sub?f expanders): Force operand 1 to register.
12657 * i386.c (ix86_expand_unary_operator): Rewrite.
12658 (ix86_unary_operator_ok): Ensure that memory operands
12660 (ix86_binary_operator_ok): Do not allow operand 1 to
12661 come into memory and operand 0 not.
12662 (ix86_expand_binary_operator): Ensure that
12663 src1 is not non-matching memory.
12665 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12666 to support integer registers and memory.
12667 (abss?2_integer): Likewise.
12669 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12670 (REG_CLASS_NAMES): Likewise.
12671 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12673 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12674 (movsf): Likewise; unify 4th and 5th alternative.
12675 (pushdf): Likewise.
12676 (movdf_1): Likewise; rename to movdf_integer.
12677 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12678 remove redundant splitter.
12679 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12680 (movdf_nointeger): New.
12681 (movxf_nointeger): New.
12682 (pushxf_nointeger): New.
12684 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12685 memory operands in patterns.
12686 (fop*): Refuse two memory operands.
12688 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12689 on !TARGET_USE_CLTD CPUs.
12691 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12693 * extend.texi: Document C++ restricted pointers and references.
12695 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12697 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12698 (invalidate_skipped_set): Call it unconditionally.
12699 (cse_set_around_loop): Likewise.
12701 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12703 * rtl.texi (mem): Add documentation for alias-set argument
12706 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12708 * i386.h (struct_processor_costs): New fields int_load, int_store,
12709 fp_move, fp_load and fp_store
12710 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12712 (MEMORY_MOVE_COST): New macro.
12713 * i386.c (386_cost): Define new fields.
12714 (i486_cost): Likewise.
12715 (pentium_cost): Likewise.
12716 (pentiumpro_cost): Likewise.
12717 (k6_cost): Likewise.
12719 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12720 Geoffrey Keating <geoffk@cygnus.com>
12722 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12724 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12727 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12728 (TARGET_STRICT_ALIGNMENT): New macro.
12729 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12730 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12731 * invoke.texi (M680x0 Options): Document -mstrict-align.
12733 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12734 Richard Henderson <rth@cygnus.com>
12736 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12737 (ix86_split_long_move): Declare.
12738 * i386.c (split_xf, ix86_split_movdi): Remove.
12739 (ix86_split_to_parts, ix86_split_long_move): New.
12740 * i386.md (dimode move splitters): Use ix86_split_long_move.
12741 (dfmode move splitters): Likewise.
12742 (xfmode move splitters): Likewise.
12743 (movsf_1): Allow F->r.
12744 (movdf_1, movxf_1): Allow F->ro.
12746 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12748 * except.h (struct eh_entry): Add goto_entry_p.
12749 (eh_region_from_symbol): Remove prototype.
12750 * except.c (find_func_region_from_symbol): New function.
12751 (emit_cleanup_handler): Likewise.
12752 (eh_region_from_symbol): Make it static.
12753 (add_new_handler): Verify the argument.
12754 (find_func_region): Update comment.
12755 (expand_eh_region_end): Expand handlers here, rater than waiting
12756 until expand_leftover_cleanups or start_all_catch.
12757 (expand_leftover_cleanups): Don't expand here.
12758 (expand_start_all_catch): Or here.
12759 (expand_rethrow): Check the return value from find_func_region.
12760 * function.c (expand_function_end): Emit the catch_clauses.
12762 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12764 * integrate.c (expand_inline_function): Add necessary check for NULL.
12766 1999-11-18 Nick Clifton <nickc@cygnus.com>
12768 * toplev.c (main): Correctly detect an unrecognised option.
12770 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12771 a -f option if it has not been recognised.
12773 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12775 * basic-block.h (update_life_extent): Remove trailing comma on
12776 enumeration type list.
12778 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12780 * varasm.c (output_constructor) Solved problem with long long
12781 bitfields. Corrected calculating this_time and shift. Also
12782 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12784 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12786 * flow.c (split_edge): Take looping structure into account when
12787 determining where to put the new block note.
12789 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12791 * Makefile.in (ggc-none.o): Provide host specific version if
12794 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12796 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12797 containing subregs too.
12799 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12801 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12802 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12803 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12804 (text_section): Add switches -munint-const-in-rodata and
12805 -mno-uninit-const-in-rodata.
12806 (ASM_OUTPUT_COMMON): Remove.
12807 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12808 const objects should be placed in read-only data. Otherwise declare
12811 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12813 * jump.c (jump_optimize_1): Revert last change.
12815 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12817 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12818 test if optimizing for size.
12820 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12822 * Makefile.in (toplev.o): Depend on except.h.
12823 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12825 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12827 * i386.md (divmodsi4): Rewrite to expander.
12828 (*divmodsi4_nocltd): New.
12829 (*divmodsi4_cltd): New.
12830 (divmodsi4 splitter): Handle the case when input comes in edx.
12831 (udivmodhi4): Do not use constraints in exander.
12832 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12834 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12836 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12837 for the common case.
12839 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12841 * explow.c (hard_function_value): Add outgoing argument.
12842 * expr.h (hard_function_value): Declare it.
12843 * calls.c (expand_call, emit_library_call_value): Update callers.
12844 * function.c (aggregate_value_p): Ditto.
12845 (diddle_return_value): Must look at the outgoing registers
12846 on archs with register windows.
12848 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12850 * alpha.c (alpha_build_va_list): Use make_lang_type and
12851 initialize TYPE_NAME for the va_list record.
12853 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12855 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12857 * ggc.h (struct ggc_statistics): Rearrange elements for better
12858 packing on 64-bit hosts.
12859 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12860 (compute_nearerout): Likewise.
12862 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12864 * config/rs6000/rs6000.c (first_reg_to_save): Save
12865 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12867 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12869 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12870 notion of nesting to find the DIE for a type or function.
12871 DIEs can go in limbo even if we got a context_die.
12872 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12873 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12875 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12876 (gen_type_die): Writing out the context doesn't cause member class
12877 template instantiations to be written out as well.
12879 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12881 * rs6000.h (ASM_OUTPUT_DEF): New.
12882 Based on proposed addition from David Edelsohn.
12884 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12885 Bruce Korb <autogen@linuxbox.com>
12887 * fixinc/inclhack.def
12888 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12889 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12891 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12892 (svr4_endian): enabled with SVR5
12893 (svr4_mkdev): simplified syntax and enabled with SVR5
12895 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12897 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12898 * configure: Rebuilt.
12899 * config/t-freebsd-thread: New file.
12901 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12903 * i386.c (ix86_decompose_address): Verify the base is a REG
12904 before trying to examine its register number.
12906 * basic-block.h: Remove all #defines and prototypes related to
12908 (free_bb_mem, compute_preds_succs): Remove prototype.
12909 * rtl.h (free_bb_mem): Remove prototype.
12910 * flow.c (alloc_int_list_node); Remove function.
12911 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12912 (compute_preds_succs, free_bb_mem): Likewise.
12913 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12914 * toplev.c (rest_of_compilation): Likewise.
12915 * haifa-sched.c (build_control_flow): Use flow generated edge
12916 list to build the haifa specific edge list.
12917 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12918 (schedule_insns): Do not build pred/succ lists anymore. Instead
12919 build the edge table.
12921 * basic-block.h (dump_bb_data): Remove declaration.
12922 * flow.c (dump_bb_data): Remove function.
12923 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12924 (sbitmap_union_of_predsucc): Likewise.
12926 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12927 argument. All callers changed.
12928 (delete_null_pointer_checks_1): No longer need to compute the
12931 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12932 All callers changed.
12933 (pre_expr_reaches_here_p_work): Likewise.
12934 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12935 * lcm.c (compute_laterin): Fix initialization of LATER.
12936 (compute_nearerout): Similarly for NEARER.
12938 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12940 * cse.c (set_nonvarying_address_components): Delete unused function.
12941 (refers_to_p): Likewise.
12943 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12945 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12948 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12950 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12951 definition in do while (0).
12953 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12955 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12957 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12959 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12961 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12963 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12964 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12965 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12966 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
12968 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
12969 saved on the stack. Output more accurate stack frame statistics
12970 into assembler file.
12972 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
12974 * genextract.c (record_insn_name): New function.
12975 (get_insn_name): No longer a stub.
12976 (main): Call record_insn_name for each insn. After each label
12977 written, print the insn name in a comment.
12979 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12981 * output.h (const_section, init_section, fini_section): Add
12984 * alpha/elf.h (const_section): Delete declaration.
12986 * svr4.h (const_section): Likewise.
12988 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
12990 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
12991 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
12992 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
12994 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
12995 variable-sized array bounds.
12997 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
12999 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
13002 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13004 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
13005 addresses the same way GO_IF_LEGITIMATE_INDEX does.
13007 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13009 * cse.c (hash_arg_in_struct): Delete.
13010 (struct table_elt): Delete elt in_struct.
13011 (struct set): Delete elt src_in_struct.
13012 (merge_equiv_classes): Don't set either hash_arg_in_struct or
13013 the corresponding in_struct elts.
13014 (canon_hash): Likewise.
13015 (safe_hash): Likewise.
13016 (find_best_addr): Likewise.
13017 (record_jump_cond): Likewise.
13018 (cse_insn): Likewise.
13020 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
13022 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
13024 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
13027 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
13029 * function.c (diddle_return_value): Put back check that the DECL_RTL
13030 for the function is a register.
13032 * function.c (diddle_return_value): Use hard_function_value to
13033 get an rtx suitable for use in the USE/CLOBBER insn.
13035 * global.c (global_conflicts): Update comments.
13036 (record_conflicts): No need to record conflicts between pseudos here.
13038 1999-11-11 Bruce Korb <autogen@linuxbox.com>
13040 * fixinc/fixincl.c: Added verbose levels for status messages
13042 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13044 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
13045 operand as argument to expand_and or expand_binop.
13047 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
13049 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
13050 gcc_add_string_root.
13052 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
13054 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
13056 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
13058 * flow.c (compute_flow_dominators): Initially put all blocks on
13060 * lcm.c (compute_antinout_edge, compute_available): Similarly.
13061 * gcse.c (compute_cprop_avinout): Remove.
13062 (compute_cprop_data): Use compute_available.
13063 (delete_null_pointer_checks_1): Use compute_available.
13065 * basic-block.h (compute_available): Returns a void now.
13066 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
13067 to return a value anymore.
13068 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
13069 worklists. Fix boundary cases. Compute maximal solutions.
13070 (compute_laterin, compute_nearerout): Similarly.
13072 * dwarf2out.c (add_AT_location_description): Allow
13073 (mem (plus (pseudo) (...)) too.
13075 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
13077 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
13079 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
13080 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13082 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
13084 * gansidecl.h: Likewise.
13090 * toplev.h: Likewise.
13092 * tree.c: Likewise.
13094 * tree.h: Likewise.
13096 * varray.c: Likewise.
13098 * varray.h: Likewise.
13100 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
13102 * gcov.c (struct arcdata): Add hits and total, remove prob.
13103 (output_branch_counts): New.
13104 (process_args): Set output_branch_counts if -c.
13105 (calculate_branch_probs): Store hits and total instead of
13107 (output_data): Emit counts if output_branch_counts is true.
13108 * gcov.texi (Invoking Gcov): Document -c switch..
13110 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
13112 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
13113 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
13115 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
13117 * invoke.texi (C Dialect Options): Add missing builtins from
13118 c-common.c to list.
13119 * extend.texi (Other Builtins): Copy to this list.
13121 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13123 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
13124 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
13125 redundant bitmap.h.
13127 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
13129 * flow.c (compute_flow_dominators): No longer treat basic block 0
13130 or (n_basic_blocks - 1) specially. Clear the AUX field before
13131 starting computation of doms/pdoms. Fix initial state for pdoms.
13133 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13135 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
13136 match rtl.o's: added ggc.h and toplev.h
13137 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
13138 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
13139 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
13141 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
13143 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
13144 from HAVE_DOS_BASED_FILESYSTEM.
13145 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
13146 HAVE_DOS_BASED_FILESYSTEM.
13148 (split_directories): Only special-case DOS file names if
13149 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
13150 instead of explicit tests. Conditionalize on !VMS.
13151 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
13152 tests. Conditionalize on !VMS.
13153 (process_command): Only use make_relative_prefix if !VMS.
13154 (free_split_directories): Conditionalize on !VMS.
13155 (DIR_UP): Conditionalize on !VMS.
13157 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
13159 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
13161 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
13163 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
13166 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
13168 * invoke.texi (Environment Variables): Document relative path
13170 * gcc.c (DIR_UP): If not defined, define as "..".
13171 (standard_bindir_prefix): New static, holds target location to
13173 (split_directories): New function to split a filename into
13174 component directories.
13175 (free_split_directories): New function, release memory allocated
13176 by split_directories.
13177 (make_relative_prefix): New function, make a relative pathname if
13178 the compiler is not in the expected location.
13179 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
13180 can figure out an appropriate prefix from argv[0].
13181 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
13182 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
13183 STANDARD_BINDIR_PREFIX.
13185 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13187 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
13189 * config/c4x/c4x.h: Moved prototypes to c4x.h.
13190 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
13191 c4x_secondary_memory_needed) Delete.
13192 (fp_zero_operand): Add mode argument.
13194 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
13196 * reload1.c (reload_reg_free_for_value_p): Don't use a register
13197 that is in reload_reg_used.
13199 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
13201 * config/arm/arm-protos.h: New file: Prototypes for functions
13202 defined in arm.c and pe.c.
13203 * config/arm/arm.h: Fix compile time warnings.
13204 * config/arm/arm.c: Fix compile time warnings.
13205 * config/arm/pe.h: Fix compile time warnings.
13206 * config/arm/aout.h: Fix compile time warnings.
13208 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
13210 * config/m32r/m32r-protos.h: New file: Prototypes for functions
13213 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
13214 Add support for subtargets.
13215 Add prototypes for new predicates.
13216 Add scheduling macros.
13218 * config/m32r/m32r.c: Fix compile time warnings.
13219 (int8_operand): New predicate function.
13220 (reg_or_cmp_int16_operand): New predicate function.
13221 (extend_operand): New predicate function.
13222 (m32r_adjust_code): New scheduling function.
13223 (m32r_adjust_priorty): New scheduling function.
13224 (m32r_sched_init): New scheduling function.
13225 (m32r_sched_reorder): New scheduling function.
13226 (m32r_sched_variable_issue): New scheduling function.
13227 (direct_return): New codegen function.
13228 (m32r_not_same_reg): New rtl testsing function.
13230 * config/m32r/m32r.md: Fix compile time warnings.
13231 Add support for pre decrement and post increment memory
13233 Add S<cc> patterns.
13236 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13238 * global.c (EXECUTE_IF_CONFLICT): Don't define.
13239 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
13240 (find_reg): Likewise.
13242 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
13244 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
13245 to avoid assembler errors.
13247 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13249 * config/v850/v850-protos.h: New file: Prototypes for functions
13251 * config/v850/v850.h: Move prototypes to v850-protos.h
13252 * config/v850/v850.c: Move prototypes to v850-protos.h
13253 * config/v850/v850.md: Fix compile time warnings.
13255 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13257 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13258 * config/fr30/fr30.c: Fix compile time warnings.
13259 * config/fr30/fr30.md: Fix compile time warnings.
13261 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13263 * tree.h (get_containing_scope): Declare it.
13264 * tree.c (get_containing_scope): New fucntion.
13265 (decl_function_context): Use it.
13266 * toplev.c (rest_of_compilation): Use get_containing_scope.
13268 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13270 * Makefile.in (rtl.o): Depend on toplev.h.
13272 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13274 * cse.c (delete_trivially_dead_insns): Replace alloca with
13276 * except.c (update_rethrow_references): Likewise.
13277 (init_eh_nesting_info): Likewise.
13278 * function.c (identify_blocks): Likewise.
13279 * gcse.c (dump_hash_table): Likewise.
13280 * graph.c (print_rtl_graph_with_bb): Likewise.
13281 * loop.c (combine_movables): Likewise.
13282 (move_movables): Likewise.
13283 (count_loop_regs_set): Likewise.
13284 (strength_reduce): Likewise.
13285 * profile.c (compute_branch_probabilities): New function, split
13287 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13288 * regclass.c (regclass): Likewise.
13289 * regmove.c (regmove_optimize): Likewise.
13290 * toplev.c (compile_file): Likewise.
13291 (main): Don't mess with the stack rlimit.
13293 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13295 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13296 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13298 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13300 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13302 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13304 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13305 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13308 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13310 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13312 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13314 * gcse.c (post_dominators): Kill.
13315 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13316 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13317 pass in a pdom array since we do not need pdoms.
13318 * haifa-sched.c (schedule_insns): Similarly.
13319 * flow.c (compute_dominators): Remove dead function.
13320 (compute_flow_dominators): Do not compute doms or pdoms if the
13321 caller does not request them. Split up loop to build doms and
13322 pdoms. Use a worklist to compute doms and pdoms.
13323 * basic-block.h (compute_dominators): Remove prototype.
13325 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13327 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13328 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13329 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13330 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13331 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13332 (schedule_region): Remove unused variable.
13333 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13335 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13337 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13338 (update_equiv_regs): Likewise.
13339 (block_alloc): Likewise.
13340 * reg-stack.c (reg_to_stack): Likewise.
13341 (convert_regs_2): Likewise.
13342 * reload1.c (reload_as_needed): Likewise.
13344 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13346 * Makefile.in (dbxout.o): Depend on ggc.h.
13347 (dwarf2out.o): Likewise.
13348 (xcoffout.o): Likewise.
13349 * dbxout.c: Include ggc.h.
13350 (dbxout_init): Register lastfile as a root.
13351 * dwarf2out.c: Include ggc.h.
13352 (dwarf2out_line): Register lastfile as a root.
13353 * xcoffout.c: Include ggc.h.
13354 (xcoffout_source_line): Register xcoff_lastfile as a root.
13356 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13358 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13360 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13362 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13364 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13366 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13368 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13369 (EXECUTE_IF_CONFLICT): Likewise.
13370 (ALLOCNO_LIVE_P): Avoid signed division.
13371 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13372 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13373 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13375 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13377 * haifa-sched.c (schedule_block): Don't crash if there's no
13378 next insn for an interblock movement.
13379 (add_branch_dependences): Don't allow clobber insns to move either.
13381 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13383 * i386.c (split_xf): New.
13384 * i386-protos.h: Declare it.
13385 * i386.md (movxf_1): Add general regs alternatives.
13386 (movxf_1+1): New splitter for same.
13388 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13390 * function.c (purge_addressof_1): Add missing return values.
13392 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13394 * function.c (is_addressof): New function. Returns true if
13395 the given piece of RTL is an ADDRESSOF.
13396 (purge_addressof_1): Make boolean. Return false if the
13397 ADDRESSOFs could not be purged.
13398 (purge_addressof): If ADDRESSOFs could not be purged from the
13399 notes attached to an insn, remove the offending note(s),
13400 unless they are attached to a libcall.
13402 1999-11-05 Andreas Jaeger <aj@suse.de>
13404 * genoutput.c (null_operand =): Initialize all fields.
13406 * errors.h: Add extern to prototypes.
13408 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13410 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13411 * configure: Rebuilt.
13413 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13415 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13416 (mirror_conflicts): New function.
13417 (global_alloc): Call it.
13418 (expand_preferences): Remove redundant CONFLICTP test.
13419 (find_reg, dump_conflicts): Likewise.
13420 (prune_preferences): Process conflicts one word at a time.
13422 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13424 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13425 instead of an explicit loop.
13427 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13429 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13430 if REG_RETVAL check succeeds, then put classp in src_elt.
13432 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13434 * function.c (pad_to_arg_alignment): Only update argument_pad
13435 if the argument's alignment is greater than STACK_BOUNDARY.
13437 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13439 * bitmap.h (BITMAP_XFREE): New.
13440 * flow.c (life_analysis): Use it.
13441 (life_analysis_1): Free blocks.
13443 * combine.c (undo_commit): New.
13444 (try_combine): Use it. Don't zap undobuf.undos.
13445 (combine_instructions): Don't zap undobuf.undos; free the
13446 undobuf.frees list.
13448 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13450 * stmt.c (cost_table_): New.
13451 (estimate_case_costs): Use it instead of xmalloc.
13453 * toplev.c (compile_file): Reuse dumpname memory instead
13456 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13458 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13459 after verifying an EH edge.
13461 * haifa-sched.c (init_rgn_data_dependences): Correctly
13462 size bb_pending_lists_length when zeroing.
13464 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13466 * function.c (diddle_return_value): New.
13467 (expand_function_end): Use it.
13468 * stmt.c (expand_null_return): Likewise.
13469 (expand_value_return): Likewise.
13471 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13473 * reload1.c (reload): Don't remove return value clobbers.
13475 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13477 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13479 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13481 * cse.c (cse_main): Use xmalloc, not alloca.
13482 (cse_basic_block): Likewise.
13483 * local-alloc.c (local_alloc): Likewise.
13485 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13486 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13488 * rtl.c: Include toplev.h.
13489 (fatal): Remove declaration.
13491 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13493 * haifa-sched.c (schedule_block): Fix thinko.
13495 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13497 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13498 S_IR* defined values
13500 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13502 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13503 call `malloc' instead.
13505 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13507 * flags.h (flag_renumber_insns): Declare.
13508 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13510 * rtl.h (renumber_insns): Change prototype.
13511 * toplev.c (flag_renumber_insns): Define.
13512 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13514 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13516 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13517 and fpsqrtd. Use them and create fdiv function unit to more
13518 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13519 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13521 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13523 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13525 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13526 insn into ready list, do not use just a raw swap.
13528 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13530 * rtl.h (renumber_insns): New function.
13531 (remove_unnecessary_notes): Likewise.
13532 * emit-rtl.c (renumber_insns): Define.
13533 (remove_unncessary_notes): Likewise.
13534 * toplev.c (rest_of_compilation): Remove dead code.
13535 Use renumber_insns and remove_unncessary_notes.
13537 * gcse.c (struct null_pointer_info): New type.
13538 (get_bitmap_width): New function.
13539 (current_block): Remove.
13540 (nonnull_local): Likewise.
13541 (nonnull_killed): Likewise.
13542 (invalidate_nonnull_info): Take a null_pointer_info as input.
13543 (delete_null_pointer_checks_1): New function.
13544 (delete_null_pointer_checks): Use it.
13546 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13547 (split_edges): Likewise.
13548 (schedule_block): Likewise.
13549 (compute_block_backward_dependencies): Likewise.
13550 (schedule_region): Likewise.
13551 (schedule_insns): Likewise.
13553 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13555 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13556 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13557 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13558 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13559 * jump.c (delete_unreferenced_labels): Don't delete if
13560 LABEL_ALTERNATE_NAME is set.
13561 * print-rtl.c (print_rtx): Dump alternate name.
13562 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13563 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13564 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13565 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13567 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13569 * fix-header.c (recognized_extern, recognized_function): Constify
13572 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13573 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13574 (compute_available): Remove unused variable `last'.
13575 (compute_nearerout): Remove unused variable `temp_bitmap'.
13576 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13577 Remove unused variable `x'.
13579 * scan.h (recognized_function, recognized_extern): Constify a
13582 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13584 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13586 * varasm.c (decode_rtx_const): Use XSTR to access the string
13589 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13591 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13593 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13595 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13597 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13599 * pa.c (ireg_operand): New function.
13600 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13601 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13602 Fix out of date comment.
13604 * pa.md (negdi2): Turn into expander + anonymous pattern.
13606 * reload.c (find_reloads): Fix typos in recent change.
13608 * dwarf2out.c: Do not include ctype.h.
13610 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13612 * regclass.c (record_reg_classes): Always use may_move_cost when
13613 seeing how operand fits with various register classes.
13615 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13617 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13618 * toplev.c: Revert Nov 1 13:22 change.
13620 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13622 * config/pa/pa.md (height reduction patterns): Add checks for
13623 overlapping operands to avoid semantic-destroying splits for
13624 height reduction patterns.
13626 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13628 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13629 have been an hyphen, fixed.
13630 * configure: Rebuilt.
13632 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13634 * config/arm/tpe.h: Add prototypes for exported functions.
13635 * config/arm/pe.c: Fix compile time warnings.
13636 * config/arm/semi.h: Fix compile time warnings.
13637 * config/arm/arm.c: Fix compile time warnings.
13638 * config/arm/arm.h: Fix compile time warnings.
13639 * config/arm/arm.md: Fix compile time warnings.
13640 * config/arm/thumb.c: Fix compile time warnings.
13641 * config/arm/thumb.h: Fix compile time warnings.
13642 * config/arm/thumb.md: Fix compile time warnings.
13644 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13646 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13649 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13650 completely unrolled.
13652 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13654 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13656 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13658 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13659 * rtl.h (rtx_equal_p): Move prototype.
13660 * rtl.c (rtx_equal_function_value_matters): Move from
13662 (rtx_equal_p): Likewise.
13663 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13664 (rtx_equal_p): Likewise.
13666 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13668 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13669 ! HAS_INIT_SECTION.
13671 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13673 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13675 * pa.h (ADDR_VEC_ALIGN): Define.
13677 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13678 notes when presented with "if (foo) break; end_of_loop" and
13679 the break sequence gets moved out of the loop.
13681 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13682 Remove explicit zero initializations of entries within MAP.
13684 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13686 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13688 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13690 * bitmap.h (BITMAP_XMALLOC): New macro.
13691 * flow.c (CLEAN_ALLOCA): Remove.
13692 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13693 (life_analysis): Likewise.
13694 (update_life_info): Don't use CLEAN_ALLOCA.
13695 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13696 (calculate_global_regs_live): Likewise.
13697 (print_rtl_with_bb): Likewise.
13698 (verify_flow_info): Likewise.
13699 * global.c (global_alloc): Likewise.
13700 (global_conflicts): Likewise.
13701 * integrate.c (save_for_inline_nocopy): Likewise.
13702 (expand_inline_function): Likewise.
13703 * jump.c (jump_optimize_1): Likewise.
13704 (duplicate_loop_exit_test): Likewise.
13705 (thread_jumps): Likewise.
13706 * loop.c (loop_optimize): Likewise.
13707 (combine_givs): Likewise.
13708 (recombine_givs): Likewise.
13709 * reorg.c (dbr_schedule): Likewise.
13710 * unroll.c (unroll_loop): Likewise.
13712 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13714 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13716 * toplev.c (rest_of_compilation): Don't optimize the CFG
13717 when rebuilding, just before dbr.
13719 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13721 * output.h (assemble_end_function, assemble_destructor,
13722 assemble_constructor, assemble_gc_entry, assemble_global,
13723 assemble_label, output_constant_pool) Constify a char*.
13725 * varasm.c (assemble_destructor, assemble_constructor,
13726 assemble_gc_entry, assemble_end_function, assemble_global,
13727 assemble_label, output_constant_pool): Likewise.
13729 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13731 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13732 explaining what is goin on in this function.
13734 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13736 * regclass.c (record_reg_classes): In matching case, recompute
13737 costs since the direction of movement is different.
13739 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13741 * resource.c (mark_target_live_regs): For unconditional branches,
13742 the resources found at the branch target should be added to the
13743 resources found so far, not intersected.
13745 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13747 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13749 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13750 (sys/mman.h): Include this file only if #HAVE_MMAP.
13751 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13752 with automatically concatenated ANSI strings.
13754 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13756 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13757 (DIV_ROUND_UP): Robustify.
13758 (ggc_recalculate_in_use_p): New function.
13759 (release_pages): Don't inline it.
13760 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13762 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13763 (clear_marks): Always save in_use_p.
13764 (sweep_pages): Use ggc_recalculate_in_use_p.
13765 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13766 Release pages before counting statistics.
13768 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13770 * toplev.c (rest_of_compilation): Fix thinko in this change:
13772 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13774 (rest_of_compilation): If inside an inlined external function,
13775 pretend we are just being declared.
13777 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13779 * flow.c (calculate_global_regs_live): Fix thinko.
13781 * integrate.c (expand_inline_function): Fix bugs in previous
13782 change from Oct 28, 1999.
13784 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13786 * stmt.c (expand_value_return): Fix typo in this change:
13788 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13789 (expand_value_return): Correctly convert VAL when promoting function
13790 return; support RETURN_REG being a PARALLEL.
13792 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13794 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13796 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13798 * hard-reg-set.h (reg_names): Constify a char*.
13800 * regclass.c (reg_names): Likewise.
13802 * regs.h (reg_names): Likewise
13804 * a29k/a29k.c (reg_names): Delete declaration.
13806 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13808 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13809 arc_output_function_epilogue): Likewise.
13811 * elxsi/elxsi.c (reg_names): Likewise.
13813 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13815 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13818 * m88k/m88k.c (output_function_profiler): Likewise.
13820 * sparc/sparc.c (sparc_flat_output_function_prologue,
13821 sparc_flat_output_function_epilogue): Likewise.
13823 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13825 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13826 warning from -Wuninitialized and put it under -W.
13827 * function.c (uninitialized_vars_warning): Warn only when the
13828 corresponding flag is set.
13830 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13832 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13833 is nonzero and the single set does not have an elt, then assign
13836 * simplify-rtx.c: New file.
13837 * Makefile.in (OBJS): Add simplify-rtx.o
13838 (simplify-rtx.o): Add dependencies.
13839 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13840 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13841 (cse_gen_binary, simplify_unary_operation): Delete.
13842 (simplify_binary_operation, simplify_plus_minus): Likewise.
13843 (check_fold_consts, simplify_relation_operation): Likewise.
13844 (simplify_ternary_operation): Likewise.
13845 (delete_trivially_dead_insns): Simplify the contents of the
13846 REG_EQUAL note before trying to substitute it into the source
13847 of the reg-reg copy at the end of a libcall sequence.
13849 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13850 references/callers changed.
13852 * mn10200.c (mn10200_va_arg): Force the return value into a
13855 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13857 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13860 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13862 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13864 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13866 * fold-const.c (fold): Fix thinko when optimizing comparisons
13869 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13871 * gcc.texi (Passes): Update front-end files to their current
13874 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13876 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13877 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13878 (PREDICATE_CODES): Add addition_operation.
13879 * alpha-protos.h (addition_operation): Declare.
13880 (secondary_reload_class): Likewise.
13881 * alpha.c (addition_operation): New.
13882 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13883 * alpha.md (adddi3): Turn into expander.
13884 (*lda, *adddi_2): New.
13885 (movsf, movdf patterns): Don't preference integer regs.
13886 (movsi, movdi patterns): Don't preference fp regs.
13888 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13890 * genrecog.c (write_switch): Check for duplicate CODE cases.
13892 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13894 * ggc-common.c: Update pre-function commentary.
13895 * ggc-page.c: Likewise.
13897 (poison_pages): Use memset directly.
13898 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13899 (ggc_collect): Poison before sweeping.
13900 * ggc-simple.c: Update pre-function commentary.
13901 (ggc_alloc_obj): Poison non-zeroed memory.
13903 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13905 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13906 match format string, even on 64-bit hosts.
13907 * gcc-page.c (ggc_page_print_statistics): Likewise.
13909 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13911 * config/i386/i386.c (ix86_cpu): Revert last patch.
13912 * config/i386/i386.h (ix86_cpu): Ditto.
13914 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13916 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13917 TYPE_SIZE, convert type of result to sizetype.
13919 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13921 * flow.c (count_or_remove_death_notes): Equate NULL with the
13924 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13925 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13928 * i386.c (pic_label_no): Delete.
13929 (ix86_attr_length_default): Don't use single_set to peek
13932 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13933 the first insn after bb->end.
13934 * i386.md (push mem peeps): Scratch is live after evaluation
13936 (cmp mem peep): Similarly.
13938 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13940 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13941 * function.c (pad_to_arg_alignment): Add missing braces.
13943 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13945 * alpha/alpha-protos.h (literal_section): Add prototype.
13946 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13949 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13951 (alpha_start_function, alpha_end_function, float_strings,
13952 alpha_need_linkage): Constify a char*
13954 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13956 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13958 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13960 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13962 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13964 * flow.c (debug_flow_info): Add prototype.
13966 * gcc.c (main): Likewise.
13968 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
13971 * reload1.c (failed_reload, set_reload_reg): Likewise.
13973 * mips-tfile.c (main): Likewise.
13974 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
13975 with ATTRIBUTE_NORETURN.
13977 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
13979 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
13980 DECL is not a memory ref.
13982 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
13984 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
13985 * config/i386/i386.c (ix86_cpu): Add extern attribute.
13987 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
13989 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
13990 * config/mips/elf64.h: ditto.
13992 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
13994 * expr.c (emit_push_insn): New argument alignment_pad.
13995 Update all callers. Adjust stack pointer based on alignment pad.
13996 * function.c (pad_to_arg_alignment): New argument alignment_pad.
13997 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
13998 (locate_and_pad_parm): New argument alignment_pad. Update all
14000 * expr.h (emit_push_insn): Update prototype.
14001 (locate_and_pad_parm): Update prototype.
14002 * calls.c (arg_data): Add new field alignment_pad.
14003 (initialize_argument_information): Initialize alignment_pad.
14005 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
14007 * except.c (free_eh_nesting_info): Free the info itself.
14008 * function.c (free_after_compilation): Don't free NULL.
14009 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
14010 (pre_edge_insert): Free inserted.
14011 * stmt.c (free_stmt_status): Don't free NULL.
14013 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14015 * gcov.c (DIR_SEPARATOR): Provide default.
14016 (output_data): Add test for MS-DOS format absolute filename.
14017 (fancy_abort): Correct program name.
14018 (open_files): Open all files in binary mode.
14019 * libgcc2.c (__bb_exit_func): Likewise.
14021 * profile.c (init_branch_prob): Specify binary when opening files.
14023 * flags.h (flag_unwind_tables): New decl.
14024 * toplev.c (flag_unwind_table): New definition.
14025 (f_options): Add -funwind-tables.
14026 (decode_g_option): Clarify warning when unknown -g option is given.
14027 (rest_of_compilation): If inside an inlined external function,
14028 pretend we are just being declared.
14030 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
14031 (dwarf2out_frame_finish): Likewise.
14033 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
14035 * fold-const.c (merge_ranges): If not in0, but in1, handle
14036 upper bounds equal like subset case.
14038 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
14040 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
14041 passed in a register but moved to the stack.
14043 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
14045 * gcc.c (pass_exit_codes, greatest_status): New variables.
14046 (struct option_map): Add entry for "--pass-exit-codes".
14047 (execute): Update greatest_status if error.
14048 (display_help): Add documentation for -pass-exit-codes.
14049 (process_command): Handle -pass-exit-codes.
14050 (main): Look at pass_exit_codes and greatest_status on call to exit.
14052 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14054 * reload.c (find_reloads): Refine test for no input reload
14055 case to not includes reloads emitted after insn.
14057 * function.c (find_temp_slots_from_address): Handle sum involving
14058 a register that points to a temp slot.
14059 (update_temp_slot_address): Make recursive call if both old and
14060 new are PLUS with a common operand.
14061 * calls.c (expand_call): Mark temp slot for result as having
14064 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
14066 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
14067 component as well as "BINUTILS".
14069 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
14070 * integrate.c (copy_rtx_and_substitute): Likewise.
14071 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
14072 All callers changed.
14073 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
14075 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
14076 gdb extensions, write size of type; also be more consistent
14077 in using references when this is a subtype.
14079 * pa.md (extv, extzv, insv): Use define_expand to reject constant
14080 that is out of range.
14082 * loop.c (unknown_constant_address_altered): New variable.
14083 (prescan_loop): Initialize it.
14084 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
14085 (invariant_p, case MEM): Remove handling for volatile and readonly;
14086 check new variable if readonly.
14087 (check_dbra_loop): Chdeck unknown_constant_address_altered.
14089 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
14090 (addr_affects_sp_p): Removed from note_mem_written and only
14091 define #ifdef AUTO_INC_DEC.
14093 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
14095 * regclass.c (record_reg_classes): Properly handle register move
14098 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
14099 Don't think valid if both operands are invalid.
14100 (struct constant_descriptor): New field RTL.
14101 (mark_const_hash_entry): Mark it.
14102 (record_constant{,_rtx}): Initialize it.
14103 (output_constant_def): Allocate RTL in permanent obstack and
14105 ({record,compare}_constant_1): Modes must match for
14106 CONSTRUCTOR of ARRAY_TYPE.
14108 * c-common.h (initializer_constant_valid_p): Delete decl from here.
14109 * output.h (initializer_constant_valid_p): Move decl to here.
14110 * c-common.c (initializer_constant_valid_p): Delete function from here.
14111 * varasm.c (initializer_constant_valid_p): Move function to here.
14113 * tree.h (STRIP_SIGN_NOPS): New macro.
14114 * fold-const.c (optimize_minmax_comparison): New function.
14115 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
14116 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
14117 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
14118 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
14119 widening conversions.
14120 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
14121 to look at size of mode, not precision of type; also add missing cases.
14122 (optimize_bit_field_compare, decode_field_reference): Don't try to
14123 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
14125 * dwarf2out.c (ctype.h): Include.
14126 (dwarf2out_set_demangle_name_func): New function.
14127 (size_of_line_info): Deleted.
14128 (output_line_info): Compute size of line info table from difference
14130 (base_type_die, add_name_attribute): Call demangle function, if any.
14131 (field_byte_offset): Use bits per word for variable length fields.
14132 (gen_array_type_die): Add array name.
14133 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
14134 (dwarf2out_add_library_unit_info): New function.
14136 * explow.c (set_stack_check_libfunc): New function.
14137 (stack_check_libfunc): New static variable.
14138 (probe_stack_range): Allow front-end to set up a libfunc to call.
14140 * combine.c (simplify_comparison): When making comparison in wider
14141 mode, check for having commuted an AND and a SUBREG.
14142 (contains_muldiv): New function.
14143 (try_combine): Call it when dividing a PARALLEL.
14144 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
14145 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
14147 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
14148 use one of the CLOBBERs instead.
14149 (if_then_else_cond): If comparing against zero, just return thing
14152 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
14153 Don't generate shifts and subtract if have conditional arithmetic.
14155 * rtl.h (delete_barrier): New declaration.
14156 * jump.c (jump_optimize): Set up to handle conditional call.
14157 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
14158 (delete_barrier): New function.
14160 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
14162 * recog.c (nonmemory_operand): Accept ADDRESSOF.
14164 * tree.c (build_type_attribute_variant): Push to obstack of
14165 ttype around type_hash_canon call.
14167 * expr.c (placeholder_list): Move decl to file scope.
14168 (expand_expr): Don't force access to volatile just because its
14170 If ignoring reference operations, just expand the operands.
14171 (expand_expr, case COMPONENT_REF): Propagate
14172 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
14173 Refine test for using bitfield operations vs pointer punning.
14174 (expand_expr, case CONVERT_EXPR): If converting to
14175 BLKmode UNION_TYPE from BLKmode, just return inner object.
14176 Use proper mode in store_field call.
14177 Properly set sizes of object to store and total size in store_field
14178 call for convert to union.
14179 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
14180 memory (like for ADDR_EXPR). Also, don't put constant in register if
14181 we'll want it in memory.
14182 (readonly_fields_p): New function.
14183 (expand_expr, case INDIRECT_REF): Call it if LHS.
14184 (expand_assignment): Handle a RESULT_DECL where
14185 DECL_RTL is a PARALLEL.
14186 (do_jump, case WITH_RECORD_EXPR): New case.
14187 (get_inner_reference): Always go inside a CONVERT_EXPR
14188 and NOP_EXPR if both modes are the same.
14189 (store_field): Use bitfield operations if size of bitsize is not same
14190 as size of RHS's type.
14191 Check for bitpos not a multiple of alignment in BLKmode case.
14192 Do block move in largest possible alignment.
14193 (store_constructor): Set BITSIZE to -1 for variable size and properly
14194 in case of array of BLKmode.
14195 (expand_expr_unaligned): New function.
14196 (do_compare_and_jump): Call it.
14198 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
14199 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
14200 does not include 'o'.
14202 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
14203 both SET_DEST and SET_SRC reference a virtual register.
14204 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
14206 * integrate.c (expand_inline_function): Handle case of setting
14207 virtual stack vars register (from built in setjmp); when parameter
14208 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
14209 (subst_constant): Add new parm, MEMONLY.
14210 (expand_inline_function, integrate_parm_decls): Pass new parm.
14211 (integrate_decl_tree): Likewise.
14212 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
14213 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
14214 (copy_rtx_and_substitute, case SET): Add explicit calls to
14215 copy_rtx_and_substitute for both sides.
14217 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
14219 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
14220 within INDEX_TYPE, instead of before.
14221 (fixup_gotos): Use f->target_rtl, not the next insn,
14222 since latter may be from a later fixup.
14223 (expand_value_return): Correctly convert VAL when promoting function
14224 return; support RETURN_REG being a PARALLEL.
14225 (expand_return): When checking for result in regs and having
14226 cleanup, consider PARALLEL in DECL_RTL as being in regs.
14228 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
14230 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
14231 last_nominal_fname): Mark const.
14232 (struct include_hash: name, nshort, control_macro): Mark
14234 (struct macrodef: symnam): Mark const.
14235 (struct if_stack: fname): Mark const.
14236 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
14237 (IStable): New character-syntax array which encompasses all
14238 the old is_foo arrays.
14239 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
14240 is_space): New macros for interrogating IStable.
14241 (check_macro_name): Kill last argument. All callers changed.
14243 * cppinit.c (initialize_char_syntax): Delete.
14244 (is_idchar, is_idstart, is_hor_space, is_space,
14245 trigraph_table): Delete.
14246 (IStable): New. Initialize with clever macros to avoid
14247 information duplication.
14248 (builtin_array): Table of builtins to get rid of explicit list
14249 in initialize_builtins.
14250 (initialize_builtins): Use builtins_array.
14251 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14252 opts->dollars_in_ident.
14254 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14256 (cpp_parse_expr): Avoid 'format string is not constant'
14257 warning. Use ISGRAPH to identify printable chars.
14258 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14260 (read_and_prescan): Map trigraphs to chars with open-coded
14261 if-else-if-... sequence, not a lookup table.
14262 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14264 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14265 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14266 (check_macro_name): Remove ability to report an invalid
14267 assertion name, which is never used.
14268 (do_line): Constify a couple of char *'s.
14269 * cppmain.c (main): Call cpp_cleanup before returning.
14271 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14273 * ggc.h (struct ggc_statistics): New type.
14274 (ggc_get_size): New function.
14275 (ggc_print_statistics): Likewise.
14276 * ggc-common.c (ggc_stats): New variable.
14277 (ggc_mark_rtx_children): Keep statistics.
14278 (ggc_mark_tree_children): Likewise.
14279 (ggc_print_statistics): New function.
14280 * ggc-page.c (struct globals): Add bytes_mapped field.
14281 (alloc_anon): Update it.
14282 (release_pages): Likewise.
14283 (ggc_get_size): New function.
14284 (ggc_page_print_statistics): New function.
14285 * ggc-simple.c (ggc_get_size): New function.
14287 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14289 * flow.c (propagate_block): When the last reference to a label
14290 before an ADDR_VEC is deleted because the reference is a dead
14291 store, delete the ADDR_VEC.
14293 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14295 * resource.c (find_free_register): Don't use the frame pointer
14296 if frame_pointer_needed.
14298 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14300 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14301 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14303 * config/i960/i960.c (i960_va_start): New locals base, num.
14304 Use INDIRECT_REF instead of ARRAY_REF on valist.
14305 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14307 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14309 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14311 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14313 * tree.def (PLACEHOLDER_EXPR): Update comments.
14315 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14317 * c-common.c (check_format_info): Avoid non-literal format string
14318 warnings when `first_arg_num' is zero.
14320 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14322 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14324 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14326 * arm.md (casesi_insn): Add a clobber of the condition code
14329 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14331 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14332 used by both cc1 and cc1plus.
14334 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14336 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14337 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14338 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14339 to the value 32 if it has not already been defined.
14340 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14341 Override definition in arm.h with a value of 8.
14343 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14345 * c-pragma.c (push_alignment): Don't check the return value
14348 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14350 * sparc.h (ADJUST_COST): Fix thinko.
14352 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14354 * cccp.c (rescan): Fixed obp pointer handling around call to
14355 check_expand subroutine.
14357 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14359 * gcse.c (delete_null_pointer_checks): Only record non-null info
14360 for pseudos when examining stores.
14362 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14363 splitters for these patterns. Use "#" for output templates.
14364 (addsi3_carryin_shift): New pattern.
14366 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14368 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14369 of the function return register into a plain REG until
14370 after function inlining is done.
14372 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14374 * jump.c (jump_optimize_1): If we did cross-jumping, and
14375 the data will matter, rebuild the CFG.
14376 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14377 not optimizing. Don't run shorten_branches.
14378 * toplev.c (rest_of_compilation): Run shorten_branches after
14381 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14383 * rtl.h (note_stores): Add additional paramter.
14384 * rtlanal.c (reg_set_p_1): Take additional paramter.
14385 (reg_set_last_1): Likewise.
14386 (reg_set_p): Adjust call to note_stores.
14387 (reg_set_last): Likewise.
14388 (note_stores): Pass data parameter to worker function.
14389 * alias.c (record_set): Take additional parameter.
14390 (init_alias_analysis): Pass it.
14391 * caller-save.c (mark_set_regs): Take additional parameter.
14392 (save_call_clobbered_regs): Pass NULL to note_stores.
14393 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14395 (record_dead_and_set_regs_1): Likewise.
14396 (reg_dead_at_p_1): Likewise.
14397 (combine_instructions): Adjust calls to note_stores.
14398 (try_combine): Likewise.
14399 (record_dead_insn): Remove.
14400 (record_dead_and_set_regs): Adjust calls to note_stores.
14401 (reg_dead_at_p): Likewise.
14402 * cse.c (invalidate_skipped_set): Take additional parameter.
14403 (cse_check_loop_start): Likewise.
14404 (cse_check_loop_start_value): Remove.
14405 (cse_set_around_loop): Adjust calls to note_stores.
14406 * flow.c (notice_stack_pointer_modification): Take additional
14407 parameter. Remove duplicate declaration.
14408 (record_volatile_insns): Adjust calls to note_stores.
14409 * gcse.c (record_set_info): Take additional parameter.
14410 (record_last_set_info): Likewise.
14411 (invalidate_nonnull_info): Likewise.
14412 (record_set_insn): Remove.
14413 (compute_sets): Adjust calls to note_stores.
14414 (last_set_insn): Remove.
14415 (compute_hash_table): Adjust calls to note_stores.
14416 (insert_insn_end_bb): Likewise.
14417 (delete_null_pointer_checks): Likewise.
14418 * global.c (mark_reg_store): Take additional parameter.
14419 (mark_reg_clobber): Likewise.
14420 (reg_becomes_live): Likewise.
14421 (global_conflicts): Adjust calls to note_stores.
14422 (build_insn_chain): Likewise.
14423 * integrate.c (note_modified_parmregs): Take additional parameter.
14424 (mark_stores): Likewise. Make it static.
14425 (save_for_inline_nocopy): Adjust calls to note_stores.
14426 (try_constants): Likewise.
14427 * integrate.h (mark_stores): Remove declaration.
14428 * jump.c (mark_modified_reg): Take additional parameter.
14429 (thread_jumps): Adjust calls to note_stores.
14430 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14432 (no_equiv): Likewise.
14433 (reg_is_set): Likewise.
14434 (validate_equiv_mem): Adjust calls to note_stores.
14435 (update_equiv_regs): Likewise.
14436 (block_alloc): Likewise.
14437 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14438 (note_addr_stored): Take additional parameter.
14439 (note_set_pseudo_multiple_uses): Likewise.
14440 (record_initial): Likewise.
14441 (prescan_loop): Adjust calls to note_stores.
14442 (strength_reduce): Likewise.
14443 (check_dbra_loop): Likewise.
14444 * regmove.c (flags_set_1): Take additional paramter.
14445 (mark_flags_life_zones): Adjust calls to note_stores.
14446 * reload1.c (mark_not_eliminable): Take additional parameter.
14447 (forget_old_reloads_1): Likewise.
14448 (reload_cse_invalidate_rtx): Likewise.
14449 (reload_cse_check_clobber): Likewise.
14450 (reload_combine_note_store): Likewise.
14451 (move2add_note_store): Likewise.
14452 (reload): Adjust calls to note_stores.
14453 (reload_as_needed): Likewise.
14454 (emit_reload_insns): Likewise.
14455 (reload_cse_regs_1): Likewise.
14456 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14457 (reload_combine): Adjust calls to note_stores.
14458 * resource.c (update_live_status): Take additional paramter.
14459 (mark_target_live_regs): Adjust calls to note_stores.
14460 * stupid.c (find_clobbered_regs): Take additional parameter.
14461 (stupid_life_analysis): Adjust calls to note_stores.
14463 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14465 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14468 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14471 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14472 of the variable arm_structure_size_boundary.
14474 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14476 * alias.c (init_alias_analysis): Allocate reg_known_value and
14477 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14479 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14480 * cse.c (cse_main): Call end_alias_analysis.
14481 * haifa-sched.c (schedule_insns): Likewise.
14482 * local-alloc. (update_equiv_regs): Likewise.
14483 * reload1.c (reload_cse_regs): Likewise.
14485 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14487 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14488 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14489 mapping from MASK_FPU.
14491 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14493 * sparc.md (call): Don't bound structure return size to 0xfff.
14495 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14497 * resource.c (mark_target_live_regs): Check that the target
14498 insn wasn't created after compute_bb_for_insn.
14500 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14502 * ggc-page.c (poison_pages): Don't be overzealous.
14504 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14506 * alias.c: Update comments for ADDRESS.
14507 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14508 it is a local memory reference.
14510 * c-typeck.c (build_function_call): Check that the built-in
14511 function is of class BUILT_IN_NORMAL before trying to recongize
14512 it as BUILT_IN_ABS.
14513 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14514 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14516 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14518 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14520 (pre_gcse): Likewise.
14521 (hoist_expr_reaches_here_p): Likewise.
14522 (hoist_code): Likewise.
14523 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14525 (pre_expr_reaches_here_p_work): ... here.
14526 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14528 (expr_reaches_here_p_work): ... here.
14530 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14532 * resource.c (find_basic_block): Delete.
14533 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14534 (init_resource_info): Call compute_bb_for_insn.
14536 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14538 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14539 with already adjacent blocks, but no fallthru.
14540 (merge_blocks_move_successor_nojumps): Simplify.
14541 (debug_flow_info): New.
14543 * toplev.c (rest_of_compilation): Open jump1 dump file before
14544 jump and close after, as opposed to just using dump_rtl.
14546 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14548 * reload.h (earlyclobber_operand_p): Declare.
14549 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14550 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14551 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14552 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14554 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14555 Richard Henderson <rth@cygnus.com>
14557 * emit-rtl.c (emit_block_insn_before): New.
14558 (emit_block_insn_after): New.
14559 * basic-block.h: Declare them.
14561 * bitmap.h: Protect from multiple inclusion.
14563 * recog.c (scratch_operand): Handle VOIDmode correctly.
14565 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14567 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14568 * function.c (assign_parms): Likewise.
14569 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14571 * reg-stack.c (max_uid): Remove.
14572 (blocks, block_begin, block_end, block_drops_in): Remove.
14573 (block_stack_in, block_out_reg_set, block_number): Remove.
14574 (struct block_info_def, BLOCK_INFO): New.
14575 (enum emit_where): New.
14576 (current_block): New.
14577 (BLOCK_NUM): Remove.
14578 (mark_regs_pat, record_label_references): Remove.
14579 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14581 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14582 (reg_to_stack): Simplified test for existance of fp code. Use
14583 flow.c code. Call shorten_branches after cross-jump opt.
14584 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14585 Return false if the asm doesn't use stack regs. Don't do life
14586 analysis on the asm.
14587 (emit_pop_insn): Replace function pointer arg `when' with
14588 enum `where'. Update all callers.
14589 (change_stack): Likewise. Update basic block end.
14590 (emit_swap_insn): Use current_block->head to limit reverse search
14591 for start of block. Use emit_block_insn_after.
14592 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14593 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14594 structure assignment instead of bcopy.
14595 (print_stack): New.
14596 (convert_regs_entry, convert_regs_exit): New.
14597 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14598 Work on basic blocks and the CFG.
14599 (convert_regs): Use them.
14601 * i386.c (output_fix_trunc): Remove code for DImode input operand
14602 not at top-of-stack.
14603 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14605 (fix_truncdi_1): Allow any mode scratch.
14607 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14609 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14610 * linux.h, netbsd.h, vms.h: Not here.
14612 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14614 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14615 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14616 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14617 CONDITIONAL_REGISTER_USEAGE): Use them.
14618 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14619 gen_conditional_branch,override_options) : Use them.
14620 * config/mips/mips.md : Use them.
14622 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14624 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14626 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14628 * integrate.c (function_cannot_inline_p): Don't allow inlining
14631 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14633 * c-parse.in (cast_expr): Constify.
14635 * cccp.c (special_symbol): Likewise.
14637 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14639 * dwarf2out.c (base_type_die): Likewise.
14641 * global.c (allocno_compare): Likewise.
14643 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14645 * regclass.c (fix_register): Likewise.
14647 * rtl.h (fix_register): Likewise.
14649 * stupid.c (stupid_reg_compare): Likewise.
14651 * toplev.c (decode_f_option): Likewise.
14653 * tree.c (build_complex_type): Likewise.
14655 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14657 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14659 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14661 * reload.c (find_reloads): Compute mode and nregs fields of all
14663 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14664 (calculate_needs): Use precomputed mode/nregs values.
14665 (allocate_reload_reg): Likewise.
14667 (failed_reload, set_reload_reg): ... new functions.
14668 (choose_reload_regs_init): New function, mostly broken out from...
14669 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14670 Also lose one #if 0 block.
14672 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14674 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14677 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14679 * tree.h (BLOCK_TYPE_TAGS): Remove.
14680 (BLOCK_END_NOTE): Likewise.
14681 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14682 (BLOCK_LIVE_RANGE_START): Likewise.
14683 (BLOCK_LIVE_RANGE_END): Likewise.
14684 (tree_block): Remove live_range_flag, live_range_var_flag, and
14685 type_tags. Remove end_note, live_range_start, and live_range_end.
14686 (remember_end_note): Remove prototype.
14687 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14688 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14690 * ggc-common.c (ggc_mark_tree_children): Don't mark
14691 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14692 * integrate.c (adjust_copied_decl_tree): Remove.
14693 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14694 * stmt.c (last_block_end_note): Remove.
14695 (init_stmt): Don't add a GC root for it.
14696 (expand_fixup): Don't set it.
14697 (remember_end_note): Remove.
14698 (expand_end_bindings): Don't set last_block_end_note.
14700 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14702 * reload1.c (reload_reg_free_for_value_p): Show
14703 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14706 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14708 * expmed.c (extract_bit_field): Allow for the case of non-integer
14709 objects that are smaller than a word (like SFmode on a 64-bit
14712 * loop.c (basic_induction_var): A non-integer variable which is
14713 being set by a paradoxical subreg is probably not a biv.
14715 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14717 * prefix.c (translate_name) Check for empty prefix string.
14719 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14721 * Makefile.in (CPP_CROSS_NAME): New variable.
14722 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14724 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14725 names of the files to be uninstalled.
14727 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14729 * collect2.c (IS_DIR_SEPARATOR): Define.
14730 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14732 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14735 * haifa-sched.c (add_dependence): Update the true dependency
14736 cache the first time we add a true dependence to the LOG_LINKS chain.
14738 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14740 * fold-const.c (fold): Fix comment.
14742 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14744 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14745 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14746 dbxout_start_new_source_file, dbxout_source_file,
14747 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14748 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14750 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14751 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14752 (dbxout_block): Initialize variable `blocknum'.
14754 * dbxout.h (dbxout_init, dbxout_finish,
14755 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14756 dbxout_args, dbxout_source_line): Constify a char*.
14758 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14759 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14760 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14761 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14762 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14763 src_info_attribute, mac_info_attribute, producer_attribute,
14764 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14765 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14766 dwarfout_undef): Constify a char*.
14767 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14769 * dwarfout.h (dwarfout_define, dwarfout_undef,
14770 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14772 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14774 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14775 (MULTILIB_ISA_DEFAULT): New.
14776 (MULTILIB_DEFAULTS): Use it.
14777 * config/mips/mips.c (): Remove the now unnecessary definition
14778 of MIPS_ISA_DEFAULT.
14779 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14780 unnecessary definition.
14782 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14784 * arm.md (pic_load_addr): Add constraints to operand 1.
14786 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14788 * fixinc/genfixes: Provide a means for specifying -D options to
14791 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14793 * arm.c (arm_override_options): Correct initialization of
14794 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14795 arm_is_strong, and arm_is_6_or_7.
14797 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14798 (note_set_pseudo_multiple_uses): New function.
14799 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14800 if a pseudo set in the loop exit is used elsewhere.
14802 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14804 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14806 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14808 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14809 a single load-address pattern.
14811 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14813 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14814 depending on whether or not line-number notes are present.
14816 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14818 * cccp.c (progname, file_buf, default_include, include_file,
14819 macrodef, definition, hashval, wchar_type, user_label_prefix,
14820 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14821 expand_to_temp_buffer, is_system_include, base_name,
14822 absolute_filename, read_name_map, open_include_file,
14823 record_control_macro, check_precompiled, check_preconditions,
14824 pcfinclude, pass_thru_directive, create_definition,
14825 check_macro_name, comp_def_part, collect_expansion,
14826 check_assertion, read_token_list, assertion_install,
14827 assertion_lookup, eval_if_expression, conditional_skip,
14828 validate_else, skip_quoted_string, quote_string, macarg1,
14829 error_from_errno, install, lookup, hashf, dump_defn_1,
14830 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14831 check_white_space, rescan, handle_directive, monthnames,
14832 special_symbol, do_include, remap_include_file, write_output,
14833 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14834 do_ident, do_sccs, do_xifdef, skip_if_group,
14835 output_line_directive, macroexpand, macarg, change_newlines,
14836 initialize_builtins, make_definition): Constify a char*.
14838 * pcp.h (stringdef): Likewise.
14840 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14842 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14845 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14846 Richard Henderson <rth@cygnus.com>
14848 * alias.c: Include ggc.h.
14849 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14850 (record_set): Verify enough room in reg_base_value.
14851 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14852 Register it as a GC root.
14853 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14854 * Makefile.in (alias.o): Depend on ggc.h.
14856 * unroll.c (unroll_loop): Verify the insn before a barrier
14857 is a JUMP_INSN before checking JUMP_LABEL.
14859 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14861 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14862 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14863 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14864 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14865 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14866 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14868 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14870 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14872 * alpha/alpha-interix.h (text_section): Delete prototype.
14873 * alpha/elf.h (text_section): Likewise.
14874 * arm/linux-elf.h (text_section): Likewise.
14875 * arm/linux-telf.h (text_section): Likewise.
14876 * c4x/c4x.h (text_section): Likewise.
14877 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14878 * elfos.h (text_section): Likewise.
14879 * i386/aix386ng.h (text_section): Likewise.
14880 * i386/i386-interix.h (text_section): Likewise.
14881 * i386/sco5.h (text_section): Likewise.
14882 * i386/svr3gas.h (text_section): Likewise.
14883 * nextstep.h (text_section): Likewise.
14884 * psos.h (text_section): Likewise.
14885 * ptx4.h (text_section): Likewise.
14886 * svr3.h (text_section): Likewise.
14887 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14889 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14891 * final.c (peephole): Delete prototype.
14893 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14894 (pre_insert_copies): Remove unused variable `bb'.
14896 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14899 * output.h (peephole): Add prototype.
14901 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14903 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14906 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14908 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14909 for inlined declarations.
14911 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14913 * arm.c (logical_binary_operator): New fucntion.
14914 * arm.h (logical_binary_operator): Declare it.
14915 (PREDICATE_CODES): Handle logical_binary_operator.
14916 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14917 output constraints. Add appropriate splitters.
14918 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14919 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14920 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14922 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14924 * genoutput.c (struct operand_data): New elt eliminable.
14925 (output_operand_data): Write it.
14926 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14927 (compare_operands): Take it into account.
14928 * recog.h (struct insn_operand_data): New elt eliminable.
14929 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14931 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14932 (eliminate_regs): Move code that detects changes to elimination
14933 target regs into new function elimination_effects.
14934 Delete one #if 0 block.
14935 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14936 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14937 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14938 Only call eliminate_regs for real operands of the insn, not for parts
14939 of its structure or parts matched by things like match_operator.
14940 Use elimination_effects and check_eliminable_occurrences. Use
14941 copy_insn to duplicate the pattern when not in the final pass.
14943 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14945 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14948 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14950 * fixinc/README: document the "mach" machine matching test
14951 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14952 * fixinc/fixtests.c: Implement the #else/#endif label test
14953 * fixinc/inclhack.def: utilize these tests and fixes
14954 * fixinc/inclhack.sh: regen
14955 * fixinc/fixincl.x: regen
14956 * fixinc/fixincl.sh: regen
14958 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14960 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14963 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14965 * gcc.1: Document exit codes.
14967 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14969 * calls.c: Include tm_p.h later, so everything we need is defined.
14970 * expr.c: Likewise.
14971 * function.c: Likewise.
14973 * except.c: Include tm_p.h.
14975 * sparc.c: Likewise.
14976 (dwarf2out_cfi_label): Don't prototype.
14977 (check_return_regs, epilogue_renumber,
14978 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14979 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
14980 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
14981 ultra_schedule_insn): Add static prototype.
14982 (data_segment_operand, text_segment_operand): Call itself with the
14983 proper number of arguments.
14984 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
14986 * sparc.h: Move all declarations to sparc-protos.h.
14987 (SELECT_RTX_SECTION): Pass a missing MODE argument to
14990 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
14992 * config/svr4.h (text_section, ctors_section, dtors_section): Add
14994 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
14995 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
14996 ASM_OUTPUT_ASCII): Constify a char*.
14998 * sparc-protos.h: New file for sparc prototypes.
15000 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15002 * function.c (record_insns, contains): Always declare and define.
15003 (record_insns): Mark with ATTRIBUTE_UNUSED.
15005 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15007 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
15008 to .section when outputting a .bss section to deal with multiple
15009 .bss input sections (as happens with -fdata-sections)
15010 Also output %progbits, not @progbits so the assembler doesn't treat as
15012 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
15014 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
15015 thumb parts even when building with non-thumb CPUs, by forcing
15018 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
15020 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
15021 (movdf_const_intreg_sp64): Similarly.
15023 * local-alloc.c (update_equiv_regs): Check the correct insn
15024 for pre-existing REG_EQUIV notes.
15026 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
15028 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
15029 block reached by a branch if we're not going to actually process
15032 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
15034 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
15035 a local extern function declaration.
15037 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
15039 * i386.c (ix86_expand_prologue): Properly wrap USE around
15040 reg for CALL_INSN_FUNCTION_USAGE.
15042 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
15044 * config/mips/mips.md (movdf_internal1a): Allow floating-point
15045 move between GP_REGs.
15047 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
15049 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
15050 the mode size when finding out if an offset is legal.
15052 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
15054 * basic-block.h (PROP_*): Move constants from ...
15055 * flow.c: ... here.
15056 (compute_bb_for_insn): Free the array before reallocating.
15057 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
15058 (allocate_reg_life_data): Reset all reg variables collected by
15060 (get_block_head_tail): Don't convert from bb to block.
15061 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
15062 (find_insn_reg_weight): Take block not bb.
15063 (schedule_block): Don't set block num for moved insns.
15064 (schedule_region): Don't update_life_info or find_insn_reg_weight.
15065 (schedule_insns): Do it here instead.
15066 * combine.c (combine_instructions): Invoke compute_bb_for_insn
15067 before update_life_info.
15068 * recog.c (split_all_insns, peephole2_optimize): Update for
15069 new arg to update_life_info.
15070 * rtlanal.c (remove_note): Cope with NULL note.
15071 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
15074 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
15076 * jump.c (jump_optimize_1): More accurately detect casesi insns.
15078 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
15079 block records so that merge_blocks_nomove will clean up correctly.
15080 (split_edge): Handle casesi insns.
15082 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
15084 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
15086 * pa.md (call, call_value): Do not emit a blockage after restoring
15089 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
15091 * c-typeck.c (c_expand_asm_operands): Fix typo.
15093 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15095 * arm.c (fpu_rhs_operand): Verify modes.
15096 (fpu_add_operand): Likewise.
15097 (di_operand): Likewise.
15098 (soft_df_operand): Likewise.
15100 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
15102 * arm.c (arm_return_in_memory): APCS rules state that the elements
15103 of a structure returned in a register must be 'integer-like'.
15105 1999-10-19 Bruce Korb <autogen@linuxbox.com>
15107 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
15108 in the source tree when the generated targets are out of date
15109 * fixinc/genfixes: Alter it to run individual fixes for make.
15110 * fixinc/README: rewrite
15111 * fixinc/inclhack.def: moved initial comments to README
15113 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
15115 * toplev.c (main): Do not generate an error message if an
15116 unrecognised command line switch is recognisable by another
15117 language. If extra_warnings are enabled, then generate a
15118 warning message instead.
15120 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
15122 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
15123 (insert_pack_attributes): Delete prototype.
15125 * c-pragma.c (default_alignment): New static variable.
15126 (push_alignment): Initialize to current effective alignment.
15127 (pop_alignment): Use to set new alignment.
15128 (insert_pack_attributes): Delete function.
15129 (handle_pragma_token): Set default_alignment as well each time
15130 a #pragma pack(<n>) is encountered.
15132 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
15134 * reg-stack.c (stack_result): Aggregates are not returned in
15137 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15139 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
15141 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
15143 * basic-block.h (set_block_num): Declare.
15144 * flow.c (update_life_info): Don't call compute_bb_for_insn
15145 or free_basic_block_vars.
15146 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
15147 (insn_orig_block): Remove.
15148 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
15149 (schedule_block): Keep BLOCK_NUM up-to-date.
15150 (schedule_insns): Use compute_bb_for_insn.
15151 * recog.c (split_all_insns): Likewise.
15152 (peephole2_optimize): Likewise.
15154 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
15156 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
15157 if the pic register is used.
15159 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15161 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
15162 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
15163 if that tests TREE_PERMANENT.
15165 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
15167 * cse.c (invalidate_for_call): Do not remove memory references from
15168 the table here. It's handled elsewhere.
15170 * haifa-sched.c (add_dependence): Protect references to the
15171 true dependency cache with #ifdef INSN_SCHEDULING.
15172 (remove_dependence): Similarly.
15174 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
15175 to the cfg code that this is a return instruction.
15176 * mn10300.md (return_internal): Similarly.
15178 * combine.c (get_last_value): If the last set of a register
15179 is after subst_low_cuid, then we can not use it to determine
15180 the register's last value.
15182 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15184 * Makefile.in: Back out previous change.
15186 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
15188 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
15190 * haifa-sched.c (add_dependence): Only check/update the cache
15192 (remove_dependence): Likewise.
15193 (schedule_insns): Only create the true_dependency_cache if the
15194 average number of instructions in a basic block is very large.
15196 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15198 * Makefile.in (ggc-common.o): Depend on genrtl.h.
15199 (ggc-simple.o): Likewise.
15200 (ggc-page.o): Likewise.
15202 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
15204 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
15205 Prototype for exported functions.
15206 (pre_lcm, pre_rev_lcm): Remove prototypes.
15207 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
15208 (compute_available): Move to lcm.c, and change parameter order.
15209 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
15210 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
15211 (gcse_main): No longer call compute_preds_succs. Rebuild the
15212 set table after reach pre pass.
15213 (pre_insert_map, pre_delete_map, edge_list): New.
15214 (alloc_pre_mem): Allocate edge vectors.
15215 (free_pre_mem): Delete edge vectors.
15216 (compute_pre_data): Call new edge based lcm routines.
15217 (process_insert_insn): New function.
15218 (insert_insn_end_bb): Use it.
15219 (pre_edge_insert): New function.
15220 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
15222 (pre_insert_copies): Revamp using new edge based lcm outputs.
15223 (pre_delete): Likewise.
15224 (one_pre_gcse_pass): Insert & remove fake edges to the exit
15226 (compute_code_hoist_vbeinout): New new edge based routines.
15227 * lcm.c: Remove all the old LCM functions. Replace with new ones
15228 that work with the new cfg datastructures and work with edges
15231 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15233 * reload.h (struct reload): Add new fields "mode" and "nregs".
15234 * reload1.c: Change all occurrences of reload_mode and reload_nregs
15235 to reference the "mode" and "nregs" field within struct reload.
15237 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
15239 * haifa-sched.c (true_dependency_cache): New.
15240 (add_dependence): Use the true dependency cache to avoid expensive
15241 walks down the LOG_LINKS dependency list. Add entries to the
15242 cache as necessary.
15243 (remove_dependence): Remove entries from the true dependency cache
15245 (schedule_insns): Allocate and initialize and free the true
15248 * haifa-sched.c (schedule_insns): Do not remove inter-block
15249 dependencies anymore.
15251 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15253 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15254 * i386/t-winnt: Likewise.
15256 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15258 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15260 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15262 * Makefile.in (LANGUAGES): Omit "proto".
15263 (clean): Remove stale comment about removing unprotoize.c.
15265 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15267 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15268 using arithmetic on void pointers.
15270 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15272 * haifa-sched.c (compute_block_forward_dependencies): Only check
15273 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15275 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15277 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15278 (expr_equiv_p): Reject memories with different alias sets.
15280 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15282 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15283 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15284 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15285 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15286 (lang_init): Set default for flag_bounds_check if still "unspecified".
15288 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15290 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15292 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15294 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15297 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15299 * config/c4x/c4x.md (*db_noclobber,
15300 *decrement_and_branch_until_zero_noclobber): New patterns and
15301 associated splitters.
15303 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15305 * config/c4x/c4x.md (parallel instruction patterns): Rework
15306 constraints to keep reload happy.
15308 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15310 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15311 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15312 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15313 Add new patterns and associated post-reload splitters.
15315 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15317 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15319 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15321 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15323 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15325 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15327 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15330 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15332 * pa.c (move_operand): Rely on memory_address_p to determine the
15333 validity of non-indexed memory addresses.
15334 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15335 operand in DFmode and SFmode when generating PA2.0 code.
15337 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15339 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15341 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15343 * mips.c (function_prologue): Fix argument types.
15344 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15345 (casesi_internal): Write to the scratch register.
15347 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15349 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15351 (parse_charconst): Delete unnecessary cast when calling
15353 (cpplib.h): Kill prototype of cpp_parse_escape.
15355 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15357 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15358 * unroll.c (unroll_loop): Cast return value of alloca.
15359 * i370/i370.c: Include function.h and toplev.h.
15360 (i370_label_scan): Remove c++ commented abort.
15361 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15362 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15363 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15364 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15366 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15368 * config/t-freebsd: Do not override USER_H.
15369 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15371 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15372 Mumit Khan <khan@xraylith.wisc.edu>
15374 * c-parse.in (component_decl): Support anonymous struct/union.
15376 * c-parse.y: Regenerate.
15377 * c-parse.c: Likewise.
15378 * objc/objc-parse.y: Likewise.
15379 * objc/objc-parse.c: Likewise.
15380 * c-decl.c (finish_struct): Don't sort the fields.
15381 (field_decl_cmp): Delete unused function.
15383 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15385 * sparc.md (movsf_const_intreg): Revert last constraint change.
15386 (movdf_const_intreg_sp32): Likewise.
15388 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15390 * cse.c: Include hashtab.h instead of splay-tree.h
15391 (struct cse_reg_info): No longer use variant union. Add new
15392 field "regno". All references changed to avoid union.
15393 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15394 (free_cse_reg_info): Remove.
15395 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15396 (get_cse_reg_info): Revamp to use expandable hash tables instead
15397 of splay trees. Initialize new fields in cse_reg_info structure.
15398 (new_basic_block): Similarly.
15400 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15402 * genrecog.c (message_with_line): Prototype.
15403 (validate_pattern): Pass along the set for the dest, not a flag.
15404 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15405 Check for PC/CC0 as sources.
15406 (nodes_identical): Check for children position match before
15407 allowing the combination.
15409 * rtl.c (read_rtx): Track line number across \\\n.
15411 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15413 * mips.h (SPECIAL_MODE_PREDICATES): New.
15414 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15415 (movdi+1, movsi+1): Add output reload constraint.
15416 (casesi_internal): Likewise. Fix commentary.
15417 (return_internal): Use pmode_register_operand.
15419 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15421 * 1750a.md (movstrqi): Add missing output reload constraint.
15422 (call_value): Likewise.
15423 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15424 (jmpfdec): Add missing inout reload constraint.
15425 * elxsi.md (addsi patterns): Add missing output reload constraint.
15426 (move from sp): Use @ alternates.
15427 (call_value): No constraint on output.
15428 * fr30.md (movsi_pop): Add missing output reload constraint.
15429 (movsf_constant_store): Likewise.
15430 (splits): Remove constraints.
15431 (subsi3): Add missing mode.
15432 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15433 (call_value): Likewise.
15434 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15435 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15436 * m32r.md (movsicc_internal): Add output reload constraint.
15437 (movstrsi_internal): Add inout reload constraints.
15438 * m88k.h (reg_names): Don't declare.
15439 (SPECIAL_MODE_PREDICATES): New.
15440 * m88k.md (*): Use register_operand not reg_or_0_operand
15442 * mn10200.h (PREDICATE_CODES): New.
15443 * ns32k.md (ffs pattern): Add output reload constraint.
15444 * pdp11.md (sob pattern): Add inout reload constraint.
15445 * sh.md (splits): Remove constraints.
15446 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15447 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15448 * vax.md (jgequ pattern): Add inout reload constraint.
15450 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15452 * configure.in (djgpp): Revert previous patch.
15453 * configure: Rebuit.
15454 * config/i386/djgpp.h: Revert previous patch.
15456 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15458 * fixinc/inclhack.def: Restore patch lost during last merge of
15459 "no_bogosity" branch.
15460 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15462 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15464 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15465 * fixinc/inclhack.def: Same.
15466 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15468 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15470 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15471 as the base of a PLUS.
15473 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15475 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15476 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15478 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15480 * pa.md (post_stw+1): Use pmode_register_operand.
15481 (dcacheflush, icacheflush): Likewise.
15483 * i386.md (movstricthi_1): Allow r/r.
15485 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15487 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15488 to (not (and (arg0) (arg1))). Similary for and.
15490 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15491 fallthrough to associate code.
15492 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15495 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15496 no bits in common; remove XOR to ROTATE conversion.
15498 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15500 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15502 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15504 * config/c4x/c4x.c (dst_operand): New.
15505 (PREDICATE_CODES): Update.
15506 * config/c4x/c4x.h (dst_operand): Declare it.
15507 * config/c4x/c4x.md: Define mode for each unspec usage.
15508 (move patterns): Use dst_operand predicate instead of src_operand.
15509 (movqi_update, movqf_update): Delete.
15511 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15513 * recog.c (pmode_register_operand): New.
15514 * recog.h: Declare it.
15515 * genrecog.c (pred_codes): Likewise.
15516 (special_mode_pred_table): Likewise.
15517 (validate_pattern): Don't warn no mode for address_operand.
15519 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15520 if the operand is not insn-like.
15522 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15523 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15525 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15527 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15529 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15530 instead of general_operand in a SET_DEST. Use const_double_operand
15531 instead of an explicit test against CONST_DOUBLE.
15532 (movsf_const_lo): Add missing register mode.
15533 (goto_handler_and_restore): Add auxiliary test for Pmode.
15534 (flush): Adjust to use address_operand.
15535 (return_sf_no_fpu): Add missing output constraint.
15537 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15539 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15540 for call return value.
15541 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15543 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15545 * toplev.c (main): Only warn about options for other languages.
15546 * collect2.c (main): Pass -w to sub-gcc.
15548 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15550 * flow.c (propagate_block): Add call-clobbered registers to
15553 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15554 zapping mem_set_list.
15555 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15556 (mark_set_1, mark_used_regs): Likewise.
15558 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15560 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15562 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15564 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15565 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15566 options. Also add a new item "C-only Warning Options" to the
15569 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15571 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15572 from multiple calls.
15574 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15576 * i386.md (call value patterns): Move to the end of the file.
15577 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15579 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15581 * configure.in (djgpp configuration): Define extra_objects..
15582 * configure: Rebuilt.
15583 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15584 (DTORS_SECTION_ASM_OP): Define.
15585 (INIT_SECTION_ASM_OP): Define.
15586 (FINI_SECTION_ASM_OP): Define.
15587 (DATA_SECTION_ASM_OP): Define.
15588 (TEXT_SECTION_ASM_OP): Define.
15589 (EH_FRAME_SECTION_ASM_OP): Define.
15590 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15591 (STARTFILE_SPEC): Add crtbegin.o.
15592 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15593 to here from LINK_COMMAND_SPEC.
15594 (DO_GLOBAL_CTORS_BODY): Define.
15595 (CRTSTUFF_USE_FINI_SECTION): Define
15596 (HAS_INIT_SECTION): Delete.
15598 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15600 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15602 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15604 * pa.h (PREDICATE_CODES): New.
15606 * genrecog.c (validate_pattern): Condense the destination
15607 non-lvalue message.
15609 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15611 * alpha.md (call-1): Supply missing mode for operator.
15612 (*): Add missing output reload constraints. Remove constraints
15613 from define_splits.
15615 * i386.h (SPECIAL_MODE_PREDICATES): New.
15616 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15617 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15618 (addsi_lea_3): Add missing mode for op 3.
15619 (prologue_set_got, prologue_get_pc): Add missing modes.
15620 (*) Add missing output reload constraints.
15622 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15624 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15625 check for member bit-size overflow and use var_size if it occurs.
15626 (layout_record): Use bitsize_int() to define the type size in bits.
15627 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15628 (layout_decl): Likewise when assigning to DECL_SIZE.
15630 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15632 * genrecog.c (validate_pattern): Typo last change. Verify
15633 that output operands have output reloads.
15635 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15637 * genrecog.c (special_mode_pred_table): New.
15638 (NUM_SPECIAL_MODE_PREDS): New.
15639 (find_operand): New.
15640 (validate_pattern): New argument `insn'. Warn for assignment to
15641 any predicate accepting non-lvalues. Conditionaly warn for
15642 match_operand without a mode. Try much harder to match source
15643 and destination modes on a set.
15644 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15646 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15648 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15650 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15652 * combine.c (simplify_logical): Recognize xor pattern that encodes
15655 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15657 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15660 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15662 * ggc-page.c (MAP_FAILED): Provide default.
15664 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15666 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15667 * sparc.h (PREDICATE_CODES): Update.
15669 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15671 * alpha.c (some_ni_operand): New.
15672 * alpha-protos.h: Declare it.
15673 * alpha.h (PREDICATE_CODES): Update.
15674 * alpha.md (sXaddq reload insns): Use some_ni_operand
15675 for SET_DEST instead of some_operand.
15677 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15678 Jim Wilson <wilson@cygnus.com>
15680 * genrecog.c (maybe_both_true_2): Don't compare modes of
15682 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15683 after find_afterward.
15684 (debug_decision_1): Dump next and afterward codes.
15686 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15688 * rtl.c (dump_and_abort): Remove.
15689 (fatal_with_file_and_line): New.
15690 (fatal_expected_char): New.
15691 (read_rtx_lineno, read_rtx_filename): New.
15692 (read_skip_spaces): Track line number.
15693 (read_name): Use fatal_with_file_and_line.
15694 (read_rtx): Use fatal_expected_char. Track line number.
15695 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15697 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15698 if it isn't a CODE_LABEL.
15700 * genattr.c (main): Set read_rtx_filename.
15701 * genattrtab.c (main): Likewise.
15702 * gencodes.c (main): Likewise.
15703 * genconfig.c (main): Likewise.
15704 * genemit.c (main): Likewise.
15705 * genextract.c (main): Likewise.
15706 * genflags.c (main): Likewise.
15707 * genopinit.c (main): Likewise.
15708 * genoutput.c (main): Likewise.
15709 * genpeep.c (main): Likewise.
15711 * genrecog.c (decision_test.u.insn): Add `lineno'.
15712 (pattern_lineno, error_count): New variables.
15713 (message_with_line): New.
15714 (add_to_sequence): Break out checking code to ...
15715 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15716 (merge_insn): Use message_with_line.
15717 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15718 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15720 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15722 * expr.c (store_constructor): Clear union if constructor is empty.
15724 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15726 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15727 Add !endian checks. Change %{...} to %(...).
15729 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15731 * i386.md (*addsi3_cc): Renamed from addcsi3.
15732 (*addsi3_carry): Renamed from addxsi3.
15733 (*subsi3_cc): Renamed from subcsi3.
15734 (*subsi3_carry): Renamed from subxsi3.
15735 (*xorqi_cc_1): Renamed from xorcqi_1.
15736 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15737 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15739 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15741 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15742 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15744 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15746 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15747 climb up the chain of insns.
15749 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15751 * genrecog.c (write_subroutine): Careful for null trees.
15752 (process_tree): Don't elide empty functions.
15754 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15756 * Makefile.in (genrtl.o): Depend on ggc.h.
15757 * configure.in (valloc): Probe for it.
15758 (with-gc): Use ggc-page if valloc present.
15759 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15760 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15761 (ggc_alloc_string): Moved from ggc-page.c.
15762 * ggc-none.c (ggc_alloc_obj): New.
15763 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15764 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15765 (struct globals): Likewise for dev_zero_fd.
15766 (init_ggc): Likewise for it's initialization.
15767 (ggc_allocated_p): Move careful dereference from ...
15768 (ggc_lookup_page_table): ... here. Delete.
15769 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15770 (alloc_anon): Use valloc if no mmap.
15771 (release_pages): Use free if using valloc.
15772 (ggc_alloc_obj): Renamed from alloc_obj.
15773 (ggc_set_mark): Renamed from mark_obj.
15774 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15775 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15776 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15777 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15778 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15779 (ggc_collect): Use fp printing instead of our own rounding.
15780 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15781 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15782 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15783 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15784 (struct ggc_string, struct ggc_any): Delete.
15785 (offsetof): Provide default definition.
15786 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15788 (struct ggc_mem): New, from corpse of ggc_any.
15789 (struct ggc_status): Delete.
15790 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15791 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15792 (n_strings_collected, n_anys_collected): Delete.
15793 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15794 (ggc_alloc_string, ggc_alloc): Delete.
15795 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15796 (ggc_free_string, ggc_free_any): Delete.
15797 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15798 (ggc_compare_addresses, ggc_mark_string): Delete.
15799 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15800 (search_data): Delete.
15801 (struct globals): New.
15802 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15803 (tree_insert, tree_lookup): New.
15804 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15805 (clear_marks, sweep_objs): New.
15806 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15807 (init_ggc): Set allocated_last_gc.
15808 (ggc_push_context): Gut. Use G.context.
15809 (ggc_pop_context): Likewise.
15810 (ggc_pop_context_1): New.
15811 (debug_ggc_tree): New.
15812 (debug_ggc_balance, tally_leaves): New.
15813 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15814 (ggc_mark_string_if_gcable): Remove decl.
15815 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15816 (ggc_mark_rtvec_children): New.
15817 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15818 (ggc_mark_if_gcable): New decl.
15819 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15820 (ggc_alloc_tree, ggc_alloc): Likewise.
15821 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15822 (ggc_alloc_obj): New decl.
15823 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15824 (ggc_alloc_tree, ggc_alloc): Likewise.
15825 (ggc_set_mark): New decl.
15826 * rtl.h (struct rtx_def): Remove gc_mark.
15827 (struct rtvec_def): Likewise.
15828 * tree.h (struct tree_common): Likewise.
15830 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15832 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15833 float_format and thread_file definitions.
15834 * configure: Rebuilt.
15836 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15838 * extend.texi (Function Names): Document types of function names.
15840 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15842 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15843 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15845 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15847 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15849 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15851 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15853 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15855 * collect2.c (main): Do prelimnary link on AIX if rflag.
15857 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15859 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15860 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15862 (__do_global_dtors): similarly for __DTOR_LIST__.
15864 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15865 Diego Novillo <dnovillo@cygnus.com>
15867 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15870 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15872 * fixincl/*: Merged "no_bogosity" branch
15873 * fixincl/fixlib.h: protect against doubly defining t_bool
15874 * fixincl/server.h: protect against doubly defining t_bool
15876 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15878 * genoutput.c: Include toplev.h.
15880 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15882 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15884 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15885 * configure: Regenerate.
15887 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15889 * gcse.c (delete_null_pointer_checks): Returns void.
15891 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15893 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15894 * emit-rtl.c (copy_insn_1): Likewise.
15896 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15898 * config/mips/mips.c (mips_build_va_list): Correct
15899 TREE_CHAIN setting when hard-float.
15900 (mips_va_start): Use corrected setting.
15901 (mips_va_arg): Likewise. Also pass a tree to build of
15902 POSTINCREMENT_EXPR rather than a naked 'int'.
15904 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15906 * ggc.h (ggc_push_context): Fix comment.
15907 (ggc_pop_context): Likewise.
15908 (mark_string_if_gcable): Likewise.
15909 * ggc-common.c (ggc_mark_rtx_children): Use
15910 ggc_mark_string_if_gcable.
15911 * ggc-page.c (ggc_lookup_page_table): New function.
15912 (ggc_allocated_p): Likewise.
15913 (mark_obj): Fix formatting.
15914 (ggc_mark_string_if_gcable): New function.
15915 * ggc-simple.c (ggc_allocated_strings): New variable.
15916 (ggc_strings_used): Likewise.
15917 (ggc_compare_addresses): New function.
15918 (ggc_pop_context): Pop the `any' memory too.
15919 (ggc_mark_string_if_gcable): New function.
15920 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15922 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15924 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15925 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15926 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15929 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15931 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15932 (sched_reg_live_length, sched_reg_basic_block): Delete.
15933 (current_block_num, bb_live_regs, old_live_regs): Delete.
15934 (dead_notes, struct sometimes): Delete.
15935 (sched_note_set, birthing_insn_p): Delete.
15936 (adjust_priority): Gut useless reg lifetime code.
15937 (create_reg_dead_note, attach_deaths): Delete.
15938 (attach_deaths_insn, new_sometimes_live): Delete.
15939 (finish_sometimes_live): Delete.
15940 (find_pre_sched_live, find_post_sched_live): Delete.
15941 (update_reg_usage): Delete.
15942 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15943 (schedule_insns): Delete reg lifetime code.
15944 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15945 (unlink_other_notes): Adjust REG_NOTE commentary.
15946 (reemit_notes): Use REG_SAVE_NOTE.
15947 (schedule_block): Likewise.
15948 (schedule_region): Allocate bitmap of blocks in region. Use
15949 count_or_remove_death_notes. Use update_life_info.
15951 * rtl.h (REG_SAVE_NOTE): New.
15952 * rtl.c (reg_note_name): Update.
15954 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15956 * combine.c (refresh_blocks, need_refresh): New.
15957 (combine_instructions): Allocate refresh_blocks. Invoke
15958 update_life_info if needed.
15959 (distribute_notes): Mark refresh_blocks instead of installing
15961 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15962 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15964 * Makefile.in (recog.o): Depend on basic-block.h.
15966 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
15968 * genrecog.c (add_to_sequence): Thinko last change: delete
15969 shadowing allow_const_int variable.
15971 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15973 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
15974 __GNUC__ and __GNUC_MINOR__.
15976 * gansidecl.h: Likewise.
15982 * toplev.h: Likewise.
15984 * tree.c: Likewise.
15986 * tree.h: Likewise.
15988 * varray.c: Likewise.
15990 * varray.h: Likewise.
15992 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15994 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
15995 use one before a jump table.
15997 * rtl.def (ADDRESS): Change documentation to match reality.
15998 * md.texi: Don't document it.
15999 * gmicro.md (load address pattern): Use 'p' constraint, delete use
16002 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
16004 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
16006 * genrecog.c (add_to_sequence): Move allow_const_int test outside
16007 known predicate block; default allow_const_int true.
16008 (debug_decision_list): New.
16010 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
16012 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
16014 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
16016 * gcse.c (gcse_main): Avoid global optimizations if we have a
16017 large number of basic blocks and the ratio of edges to blocks
16019 (delete_null_pointer_checks): Likewise.
16021 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
16023 * c-common.c (check_format_info): Warn if format string isn't a
16026 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16028 * configure.in (arm*-*-*): Don't let autoconf remove brackets
16029 * configure: regenerate
16031 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
16033 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
16034 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
16035 (peepholes): Re-enable.
16037 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
16039 * Makefile.in (flow.o): Depend on TREE_H.
16040 * basic-block.h (REG_SET_EQUAL_P): New.
16041 (XOR_REG_SET): New.
16042 (n_edges): Declare.
16043 (free_regset_vector): Remove declaration.
16044 (flow_delete_insn_chain): Declare.
16045 (enum update_life_extent): New.
16046 (update_life_info, count_or_remove_death_notes): Declare.
16047 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
16048 Verify register live at bb->global_live_at_start before adding USE.
16049 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
16050 (CLEAN_ALLOCA): New.
16052 (PROP_*): New flags.
16053 (find_basic_blocks_1): Use alloc_EXPR_LIST.
16054 (clear_edges): Zero n_edges.
16055 (make_edge): Increment n_edges.
16056 (split_edge): Don't allocate bb->local_set. Increment n_edges.
16057 (flow_delete_insn_chain): Export.
16058 (delete_block): Decrement n_edges.
16059 (merge_blocks_nomove): Likewise.
16060 (life_analysis): Give life_analysis_1 PROP flags.
16061 (verify_wide_reg_1, verify_wide_reg): New.
16062 (verify_local_live_at_start): New.
16063 (update_life_info): Rewrite to call into propogate_block.
16065 (mark_regs_live_at_end): After reload, if epilogue as rtl,
16066 always mark stack pointer. Conditionally mark PIC register.
16067 After reload, mark call-saved registers, return regsiters.
16068 (life_analysis_1): Accept PROP flags not remove_dead_code.
16069 Call mark_regs_live_at_end before zeroing regs_ever_live.
16070 Use calculate_global_regs_live. Copy global_live_at_end before
16071 calling final propagate_block. Zero reg_next_use on exit.
16072 (calculate_global_regs_live): New.
16073 (allocate_bb_life_data): Don't allocate bb->local_set.
16074 (init_regset_vector, free_regset_vector): Remove.
16075 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
16076 Test flags before every operation. Warn if prologue/epilogue insn
16077 would have been deleted.
16078 (mark_set_regs, mark_set_1): Accept and use FLAGS.
16079 Use alloc_EXPR_LIST.
16080 (mark_used_regs): Accept and use FLAGS, not FINAL.
16081 Remove special handling for RETURN.
16082 (try_pre_increment): Use alloc_EXPR_LIST.
16083 (dump_flow_info): Dump n_edges.
16084 (unlink_insn_chain, split_hard_reg_notes): Remove.
16085 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
16086 (find_insn_with_note, new_insn_dead_notes): Remove.
16087 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
16088 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
16089 (replace_insns): Remove.
16090 (count_or_remove_death_notes): New.
16091 (verify_flow_info): Abort on error after all checks.
16092 (remove_edge): Decrement n_edges.
16093 (remove_fake_edges): Tweek format.
16094 * haifa-sched.c (schedule_insns): Use split_all_insns.
16095 * output.h (update_life_info): Remove declaration.
16096 * recog.c (split_all_insns): From the corpse of split_block_insns,
16097 do the whole function block by block. Use update_life_info.
16098 (recog_last_allowed_insn): New.
16099 (recog_next_insn): Mind it.
16100 (peephole2_optimize): Set it. Walk backwards through blocks.
16101 Use update_life_info.
16102 * rtl.h (update_flow_info, replace_insns): Remove declarations.
16103 (split_all_insns): Declare.
16104 * toplev.c (rest_of_compilation): Thread prologue before flow2.
16105 Use split_all_insns.
16107 * i386.md (or -1 peep2s): Disable.
16109 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
16111 * config/mips/mips.md (movstrsi+[123]) : Combine these into
16112 a single pattern. Scrap the 'd' versions as unnecessary.
16114 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
16115 tablejump_mips162,tablejump_internal4): The operands to a
16116 label_ref must be VOIDmode.
16118 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16120 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
16122 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16124 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
16126 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16128 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
16129 cache every function if ggc_p.
16131 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16133 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
16134 instead of copy_rtx. Accept sequences that contain asm statements.
16135 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
16136 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
16137 orig_asm_operands_vector, copy_asm_operands_vector,
16138 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
16140 * rtl.h (copy_insn, copy_insn_1): Declare.
16142 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16144 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
16146 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
16147 arguments to `current_file_function_operand'.
16149 * genrecog.c: Include hard-reg-set.h and resource.h in the
16150 generated output file.
16152 * real.c: Include tm_p.h.
16154 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16156 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
16159 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
16161 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
16162 before the fctiwz insn.
16164 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16165 Mark Mitchell <mark@codesourcery.com>
16167 * tree.c (make_lang_type_fn): New funtion pointer.
16168 (make_lang_type): Call it.
16169 * tree.h (make_lang_type): Declare.
16170 (make_lang_type_fn): Likewise.
16171 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
16173 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
16175 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
16176 make sure that HIGH instructions are copied into BASE_REGS.
16178 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
16180 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
16182 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
16184 * c-decl.c (finish_struct): Use simpler method of
16185 removing elements of a singly-linked list.
16187 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
16189 * alpha.md (peephole2's): Comment out peephole2's that generate
16192 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
16194 * genrecog.c (add_to_sequence): Disable mode check for
16197 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16199 * ggc-simple.c (init_ggc): Set empty_string.
16201 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
16203 * configure.in: Detect mmap. Add --with-gc=foo to select
16204 garbage collector; default to page if mmap available.
16205 * Makefile.in (GGC): Substitute.
16207 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
16209 * c-decl.c (ggc_p): Enable.
16211 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16213 * flow.c (verify_flow_info): Make it extern & unconditionally define.
16215 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
16217 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
16218 string for little-endian-data.
16220 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
16222 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
16223 case somebody tries to compile --enable-checking code with gcc
16226 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
16228 * genrecog.c (add_to_sequence): Verify operand to label_ref is
16231 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
16233 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
16234 * jump.c (jump_optimize_1): Document why.
16236 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16238 * collect2.c (scan_prog_file, scan_libraries): Prototype function
16239 pointers and casts for `int_handler' and `quit_handler'.
16241 * flow.c (verify_flow_info, split_hard_reg_notes,
16242 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
16243 remove_edge, remove_fake_successors): Add static prototypes.
16244 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
16245 (mark_set_1): Initialize variable `regno'.
16246 (unlink_insn_chain): Likewise for variable `curr'.
16247 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16249 * loop.c (strength_reduce): Initialize variable
16250 `unrolled_insn_copies'.
16251 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16252 prototypes. Change these functions to take const PTR parameters
16253 to avoid prototype conflict when used as the comparson argument
16255 (check_dbra_loop): Initialize variable `comparison_val'.
16257 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16258 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16259 (find_valid_class): Initialize variable `best_class'.
16260 (find_reloads): Call memcpy, not bcopy.
16262 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16263 (hard_reg_use_compare): Don't needlessly cast away const.
16264 (reload_reg_class_lower): Likewise.
16265 (choose_reload_regs): Initialize variable `regno'.
16267 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16269 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16271 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16273 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16274 ({,d}discard): Add forward declarations. Declare parameter as
16276 (main_without_main): Explicitly declare return type to be int.
16277 (memcpy): Properly declare.
16279 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16280 building the trampoline support, declare malloc, free, and
16282 (__clear_cache): Mark arguments as potentially unused.
16284 * frame.c (toplevel): If inhibit_libc is defined, declare
16287 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16289 * flow.c (make_edge): Accept an optional 2D bitmap in which
16290 to cache edge existence. Update all callers.
16291 (make_label_edge, make_eh_edge): Pass through the edge cache.
16292 (make_edges): Provide the cache.
16294 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16296 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16298 (local_mbtowc): Change the type of variable `i' from int to size_t.
16300 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16301 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16303 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16305 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16306 after other includes that define the appropriate types. Include
16307 tm_p.h for getting user prototypes.
16308 * ggc-callbacks.c (toplevel): Ditto.
16309 * ggc-none.c (toplevel): Ditto.
16310 * gcc-page.c (toplevel): Ditto.
16311 * ggc-simple.c (toplevel): Ditto.
16313 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16314 Jonathan Larmour <jlarmour@cygnus.co.uk>
16316 * config/mips/mips.c (mips_move_2words): Split doubles if
16317 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16319 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16321 * genrecog.c (struct decision_test): New.
16322 (struct decision): Remove test-related members, sort the rest by size.
16323 (IS_SPLIT): Simplify.
16324 (new_decision, new_decision_test): New.
16325 (add_to_sequence): Use them. No special handling for args of
16327 (maybe_both_true): Renamed from not_both_true; return sense changed.
16328 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16329 of maybe_both_true and adjusted for decision_test.
16330 (position_merit): Remove.
16331 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16332 (merge_accept_insn): New, broken out of merge_trees.
16333 (merge_trees): Use them. No special case for c_test; no node
16334 splitting; use test type instead of position_merit.
16335 (factor_tests): New.
16336 (simplify_tests): New.
16337 (break_out_subroutines): Don't write code now.
16338 (find_afterward): New.
16339 (write_afterward, write_switch, write_cond): New.
16340 (write_action, is_unconditional): New.
16341 (write_node): New. Use them.
16342 (write_tree_1): Rewrite. Use the new functions above.
16343 (write_tree): Remove afterward processing.
16344 (write_subroutine): Simplify function variant emission.
16345 (write_subroutines): New.
16346 (same_codes, clear_codes): Remove.
16347 (same_modes, clear_modes): Remove.
16348 (write_header): New, broken out of main.
16349 (make_insn_sequence): Use new_decision and new_decision_test.
16350 (process_tree): New, broken out of main.
16351 (main): Adjust for merge_trees interface change.
16352 Don't #define operands in the output file.
16353 (record_insn_name): New, broken out of make_insn_sequence.
16354 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16355 (debug_decision): New.
16357 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16359 * resource.c (find_free_register): Mark class_str argument const.
16360 * resource.h: Update prototype to match.
16362 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16363 * i386.md: Give all anonymous insns names.
16365 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16367 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16370 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16372 * toplev.c (dbr_sched_time): Unconditional.
16373 (peephole2_time): New.
16374 (compile_file): Add pass numbers to all of the dump file suffixes.
16375 Dump peephole2_time. Don't dump times for non-applicable passes.
16376 (rest_of_compilation): Add pass numbers to dump file suffixes.
16377 Conditionalize calls to the scheduler.
16378 * invoke.texi: Update.
16380 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16382 * flow.c (make_edges): Fix insn iteration.
16383 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16384 (find_basic_blocks_1): Fix spelling mistake.
16386 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16388 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16389 always have side-effects. Use memset not bzero.
16390 (make_node): Likewise.
16392 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16394 * stmt.c (expand_anon_union_decl): When any of the elements of the
16395 union is addressable, so is the entire union.
16397 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16399 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16401 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16402 * bitmap.c (bitmap_operation): Return true iff TO changed.
16403 (bitmap_equal_p): New.
16404 (bitmap_bit_p): Tidy arithmetic.
16405 (debug_bitmap_file): Likewise.
16407 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16409 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16410 before cse2 instead of after.
16412 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16414 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16417 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16419 * cppinit.c (is_idchar initializer): Loosen tests to accept
16422 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16424 * mips.md: Define conditional move patterns for floating point
16425 operands and DI mode conditions.
16427 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16429 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16430 always have side-effects.
16432 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16434 * mn10200.c (asm_file_start): Fix typo.
16436 * cppinit.c (is_idchar initializer): Tighten tests for when
16437 to put the table into initialized memory.
16439 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16440 not an array of rtunion.
16441 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16442 * gcc-simple (ggc_free_rtvec): Similarly.
16444 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16447 * mbchar.h: Add missing #endif.
16449 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16450 (FPBIT, DPBIT): Define.
16452 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16454 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16456 * profile.c (instrument_arcs, output_gcov_string,
16457 tablejump_entry_p): Add static prototypes.
16458 (output_gcov_string): Constify a char*.
16460 * regmove.c (replacement_quality, fixup_match_2): Add static
16463 * resource.h (reg_dead_p): Add extern prototype.
16465 * rtl.c (trim_filename): Add static prototype.
16467 * scan-decls.c (skip_to_closing_brace): Likewise.
16469 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16470 (expand_end_case): Initialize variable `range'.
16471 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16473 * varasm.c (asm_emit_uninitialised): Add static prototype.
16474 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16477 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16479 * cpplib.c (if_directive_nameo): Add static prototype.
16481 * cse.c (cse_insn): Remove unused variable `p'.
16483 * except.c (create_rethrow_ref, push_entry,
16484 receive_exception_label, new_eh_region_entry, find_func_region,
16485 clear_function_eh_region, process_nestinfo): Add static prototypes.
16486 (get_reg_for_handler): Hide definition.
16487 (process_nestinfo): Initialize variable `extra_handlers'.
16489 * expr.h (expand_builtin_longjmp): Add extern prototype.
16491 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16493 * function.c (prepare_function_start): Likewise.
16494 (pop_function_context_from): Mark parameter `context' with
16496 (push_temp_slots_for_block, flush_addressof): Hide definition.
16498 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16499 solve_program_flow_graph, calculate_branch_probs,
16500 function_summary, main, fancy_abort): Add prototypes.
16502 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16503 (add_hash): Constify a char*.
16505 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16506 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16507 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16509 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16511 * lists.c (free_list, zap_lists): Likewise.
16513 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16515 * alias.c (nonlocal_reference_p): Add static prototype.
16517 * bitmap.c (bitmap_element_allocate): Prototype args in function
16520 * builtins.c (stabilize_va_list): Add static prototype.
16521 (expand_builtin_va_arg): Constify a char*.
16523 * c-lex.c (getch, put_back, extend_token_buffer_to,
16524 read_line_number, token_getch, token_put_back): Add static
16527 * c-parse.gperf (hash, is_reserved_word): Likewise.
16529 * cccp.c (is_dir_separator): Likewise.
16531 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16533 * graph.h: New file to prototype functions exported by graph.c.
16535 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16537 * graph.c: Include graph.h.
16539 * toplev.c: Likewise. Remove redundant prototypes.
16541 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16543 * invoke.texi: Removed duplicated description for -Q.
16545 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16547 * extend.texi: Grammar fix in __extension__ text.
16549 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16551 * md.texi (define_peephole2): New section.
16553 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16555 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16556 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16559 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16561 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16563 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16565 * i386.md (ffs expander): Emit Pentium friendly code for
16568 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16570 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16572 (build1): Likewise.
16574 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16576 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16578 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16580 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16581 register is in use.
16583 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16585 * md.texi (No Constraints): Delete section.
16586 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16587 * final.c (final_scan_insn): We always have register constraints.
16588 * genattrtab.c: Don't include "insn-config.h".
16589 (write_attr_case): We always have register constraints.
16590 * genconfig.c (register_constraint_flag): Delete.
16591 (walk_insn_part): Don't check whether we have register constraints.
16592 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16593 * genoutput.c (have_constraints): Delete.
16594 (main): Don't set it.
16595 (output_operand_data): We always have constraints.
16596 (scan_operands): Likewise.
16597 (compare_operands): Likewise.
16598 * local-alloc.c (block_alloc): We always have constraints.
16599 (requires_inout): Always compile this function.
16600 * recog.c (extract_insn): We always have constraints.
16601 (constrain_operands, reg_fits_class_p): Always compile these
16603 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16605 (struct insn_operand_data): Likewise.
16606 * regclass.c (regclass): We always have constraints.
16607 (record_reg_classes, copy_cost, record_address_regs,
16608 auto_inc_dec_reg_p): Always compile these functions.
16609 * regmove.c (regmove_optimize): We always have constraints.
16610 * reload.c (find_reloads): Likewise.
16611 * reload1.c (reload): Likewise.
16612 (reload_cse_simplify_operands): Likewise.
16613 * i860.c (output_delay_insn): Likewise.
16615 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16617 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16619 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16621 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16622 for the va_list record.
16624 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16626 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16629 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16631 * alias.c: Include insn-flags.h.
16632 * Makefile.in (alias.o): Update.
16634 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16636 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16637 to LTU and GEU. Handle more cases using sbb.
16639 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16641 * i386.md (truncatexfdf splitters): Do not use subreg.
16642 (fop XFmode patterns): Fix mode in operand testing.
16644 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16646 * jump.c (jump_optimize_1): Amend last change to test only the
16647 form of the operand, not the insn.
16649 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16650 not register_operand to determine when B may need preloading.
16652 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16654 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16655 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16656 (call-value patterns): Move to end of file.
16657 (*): Remove mode from label_ref in (pc) context.
16658 (movstrqi): Use memory not general_operand for BLKmode operands.
16659 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16660 to register_operand operands.
16661 (peep2 patterns): Convert from commented-out peephole patterns.
16663 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16665 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16666 to BUILT_IN_INIT_DWARF_REG_SIZES.
16667 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16668 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16669 expand_builtin_init_dwarf_reg_sizes.
16670 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16671 with __builtin_init_dwarf_reg_size_table.
16672 * dwarf2out.c (struct reg_size_range): Delete.
16673 (expand_builtin_init_dwarf_reg_sizes): New function.
16674 (expand_builtin_dwarf_reg_size): Delete.
16675 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16676 (expand_builtin_dwarf_reg_size): Don't declare.
16677 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16678 (dwarf_reg_size_table): New.
16679 (init_reg_size_table): New function.
16680 (copy_reg): Use dwarf_reg_size_table.
16681 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16684 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16686 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16687 Correctly build argument list to constructor and destructor functions.
16689 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16691 * c-tree.h (warn_float_equal): Declare.
16692 * c-decl.c (warn_float_equal): Define.
16693 (c_decode_option): Recognize -W[no-]float-equal.
16694 * c-typeck.c (build_binary_op): Conditionally warn
16695 about equality tests of floating point types.
16696 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16697 * invoke.texi: Add docs for -Wfloat-equal warning.
16699 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16701 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16702 generating RTL directly.
16703 * mips.h (INIT_TARGET_OPTABS): Likewise.
16704 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16706 * expr.h (init_mov_optab): Delete declaration
16708 * h8300.c (WORD_REG_USED): Update to avoid useless register
16709 saves in interrupt functions and functions which never return.
16711 * cse.c (struct set): Delete inner_dest_loc field.
16712 (cse_insn): Remove assignments to inner_dest_loc field.
16714 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16716 * ggc-page.c: Don't include <unistd.h> etc taken care of
16717 by "system.h". Include <sys/mman.h> afterward.
16719 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16721 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16724 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16726 * xcoffout.c (xcoffout_declare_function): Add documentation.
16727 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16728 TARGET_64BIT. Compare constant to -1, not bit pattern.
16729 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16730 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16733 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16735 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16736 origin_die is NULL.
16737 (gen_inlined_enumeration_type_die): Do not abort if the type has
16738 not been writeen out.
16739 (gen_inlined_structure_type_die): Do not abort if the type has
16740 not been writeen out.
16741 (gen_inlined_union_type_die): Do not abort if the type has
16742 not been writeen out.
16743 (gen_tagged_type_instantiation_die): Do not abort if the type
16744 has not been written out.
16746 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16748 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16750 * reg-stack.c (straighten_stack): Copy hard reg set with
16753 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16755 * builtins.c (stabilize_va_list): Stabilize array type va_list
16756 to a pointer type, not the base record type.
16757 (expand_builtin_va_copy): Dereference the pointers explicitly;
16758 use the correct size for the copy.
16760 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16761 (rs6000_va_arg): Likewise.
16763 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16765 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16767 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16769 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16771 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16773 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16775 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16776 (init_ggc): Use it instead of a constant.
16777 (ggc_collect): Bound allocated_last_gc by it.
16779 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16781 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16784 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16786 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16787 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16788 * configure: Regen.
16789 * config/mips/openbsd.h: New, OpenBSD little endian target.
16790 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16791 * config/mips/xm-openbsd.h: New, OpenBSD host.
16793 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16795 * config/m68k/m68k.c (output_function_prologue,
16796 output_function_epilogue): Use
16797 current_function_uses_pic_offset_table instead of regs_ever_live
16798 to decide whether to save/restore pic register.
16799 (legitimize_pic_address): Don't modify regs_ever_live any more.
16801 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16803 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16804 * stor-layout.c (variable_size): Don't add sizes to the pending
16805 sizes list if x_dont_save_pending_sizes_p is set.
16807 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16809 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16810 for symbolic_operand().
16811 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16813 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16815 * combine.c (gen_rtx_combine): Add missing call to va_end().
16817 * final.c (asm_fprintf): Likewise.
16819 * genattrtab.c (attr_rtx): Likewise.
16821 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16823 * cse.c: Update comments.
16824 (cse_insn): When converting a conditional/computed jump into
16825 an unconditional jump, always make sure a BARRIER immediately
16826 follows the converted jump. Do not delete unreachable code.
16827 (cse_basic_block): Do not delete unreachable code.
16828 * toplev.c (rest_of_compilation): Move call to
16829 delete_trivially_dead_insns after the conditional call to
16832 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16834 * collect2.c (make_temp_file): Don't prototype.
16836 * gcc.c (make_temp_file): Likewise.
16838 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16840 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16842 * varasm.c (asm_emit_uninitialised): New function: Generate
16843 the assembler statements necessary to declare an uninitialised
16845 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16847 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16848 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16850 (assemble_variable): Use asm_emit_uninitialised to emit an
16851 uninitialised variable.
16853 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16855 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16856 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16857 <geoffk@cygnus.com>.
16859 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16861 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16862 * c-common.h (builtin_function): Don't declare.
16864 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16866 (pushdecl): Likewise.
16867 (finish_decl): Likewise.
16868 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16869 int. All callers changed.
16870 Set the builtin's DECL_BUILT_IN_CLASS.
16871 * tree.h (enum built_in_class): New.
16872 (enum built_in_function): Delete NOT_BUILT_IN.
16873 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16875 (DECL_SET_FUNCTION_CODE): Likewise.
16876 (DECL_BUILT_IN_CLASS): New macro.
16877 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16878 (struct tree_decl): Split builtin function code field into a
16880 (builtin_function): Declare.
16882 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16884 * optabs.c (init_traps): Fix typo in last change.
16886 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16888 * toplev.c (rest_of_decl_compilation): Update comment.
16890 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16892 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16893 in .sbss if appropriate.
16894 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16895 (SBSS_SECTION_ASM_OP): New macro.
16896 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16897 (EXTRA_SECTIONS): Add in_sbss.
16898 * config/mips/mips.h: Prototype sbss_section.
16900 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16902 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16905 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16907 * optabs.c (init_traps): Register trap_rtx as a GC root.
16909 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16911 * config/mips/mips.c (function_arg_pass_by_reference): Define
16912 unconditionally, since it's called unconditionally.
16914 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16916 * toplev.c (documented_lang_options): Add -fshort-wchar.
16917 * c-decl.c (c_decode_option): Likewise.
16918 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16920 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16921 * gcc.c (default_compilers): If -fshort-wchar,
16922 override __WCHAR_TYPE__.
16923 * tm.texi (C Dialect Options): Add -fshort-wchar.
16925 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16926 symbol for a variable.
16928 * cpplib.h (CPP_PREPROCESSED): New macro.
16929 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16930 we're seeing this input for a second time.
16932 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16934 * emit-rtl.c (init_emit_once): Initialize modes first.
16936 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16938 * config/i386/i386.c (pic_label_name): Change to char pointer.
16939 (global_offset_table): New variable.
16940 (load_pic_register): Fill global_offset_table if it hasn't
16941 already been done. Allocate pic_label_name dynamically.
16942 * ggc.h (empty_string): New variable.
16943 * ggc-simple.c (empty_string): Likewise.
16944 (init_ggc): Allocate empty_string and add as root.
16945 * stmt.c (digit_strings): New variable.
16946 (init_stmt): Add last_block_end_note as root. Allocate and
16947 initialize digit_strings.
16948 (expand_asm_operands): Use empty_string instead of string
16949 constant. Use digit_strings instead of string constants.
16950 * profile.c (init_arc_profiler): Allocate string with
16951 ggc_alloc_string instead of xmalloc.
16952 (output_func_start_profiler): Likewise.
16953 * c-typeck.c (digest_init): Check if init is error_mark_node.
16955 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16956 Richard Henderson <rth@cygnus.com>
16958 * ggc-page.c: New file.
16959 * Makefile.in (ggc-page.o): New.
16961 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16963 * invoke.texi: Document -fdelete-null-pointer-checks
16964 * toplev.c (flag_delete_null_pointer_checks): New.
16965 (f_options): Add entry for -fdelete-null-pointer-checks.
16966 (rest_of_compilation): Conditionalize null pointer check
16967 elimination on flag_delete_null_pointer_checks.
16968 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
16970 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
16972 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
16973 copyright notice and special exception to GPL.
16975 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16977 * abi64.h (mips_function_value): Add prototype arguments.
16979 * mips-protos.h: New file with mips prototypes.
16981 * mips.c: Include "tm_p.h".
16982 (mktemp, lookup_name): Add prototype arguments.
16983 (extern_list, string_constant, mips_fill_delay_slot,
16984 mips_output_external, mips_output_external_libcall,
16985 mips_output_filename, mips_declare_object, function_prologue,
16986 mips_expand_prologue, function_epilogue, mips16_constant,
16987 build_mips16_function_stub, mips_output_conditional_branch):
16989 (mips_va_start): Remove unused variable `u'.
16990 (mips_va_arg): Cast value to unsigned when comparing against one.
16992 (save_restore_insns, mips_expand_prologue): Add missing arg in
16993 call to `large_int'.
16995 * mips.h: Move prototypes to mips-protos.h.
16996 (data_section, memory_address_p, rdata_section,
16997 readonly_data_section, simple_epilogue_p, text_section): Delete
16998 prototypes delcared elsewhere.
16999 (mips_epilogue_delay_slots, print_options): Delete unused decls.
17001 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
17003 * mips.md: Delete extra args in call to `mips_move_2words'.
17005 * xm-iris6.h (alloca): Add prototype argument.
17007 * genpeep.c: Include "tm_p.h" in generated output file.
17009 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17011 * basic-block.h (find_edge_index): Change parameters.
17012 * flow.c (verify_edge_list): Pass basic_block parameters to
17013 find_edge_index instead of integers.
17015 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
17017 * combine.c (simplify_comparison): Use an unsigned shift to adjust
17020 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
17022 * gcc.1: Fix a formatting error.
17024 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17026 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
17027 i786, mn10200, mn10300, pdp11, v850.
17029 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
17031 * libgcc2.c (num_digits): Add prototype with
17032 __attribute__((const)).
17033 (__terminate): Add prototype.
17035 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
17037 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
17039 * alpha/alpha.c (print_operand): Fix type of `code'.
17040 (alpha_output_filename): Constify.
17041 * alpha/alpha.h: Move all function declarations ...
17042 * alpha/alpha-protos.h: ... here. New file.
17043 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
17044 (SECTION_FUNCTION_TEMPLATE): Likewise.
17046 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17048 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
17049 * expr.c (expand_expr): Likewise.
17050 (do_jump): Likewise.
17051 (do_store_flag): Pass ccp_store_flag to can_compare_p.
17052 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
17054 (enum can_compare_purpose): New.
17055 (can_compare_p): Adjust prototype.
17056 (prepare_cmp_insn, prepare_operand): Declare.
17057 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
17058 * optabs.c (cmp_available_p): Deleted.
17059 (expand_abs): Pass ccp_jump to can_compare_p.
17060 (can_compare_p): New arg PURPOSE. Check for combined optabs.
17061 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
17062 Call can_compare_p rather than cmp_available_p.
17063 (prepare_operand): No longer static.
17064 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
17065 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
17066 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
17067 sequence to use emit_cmp_and_jump_insns.
17068 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
17070 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
17072 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
17073 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
17074 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
17075 (plus (reg) (const_int 0))
17076 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
17078 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
17080 * rs6000.c (expand_block_move): DImode loads and stores require
17081 word-aligned displacements. Increment address registers with
17082 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
17084 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
17086 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
17087 is no name for the base type, rather than segfault. If we are
17088 writing out a complex integer type, use DW_ATE_lo_user.
17090 * expr.c (emit_move_insn_1): If we are copying a complex that fits
17091 in one word or less (complex char, complex short, or on 64 bit
17092 systems complex float) to/from a hard register, copy it through
17093 memory instead of dying in gen_{real,imag}part. If we have a
17094 short complex type, prevent inlining since it allocates stack
17097 * tree.c (build_complex_type): If we are writing dwarf2 output,
17098 generate a name for complex integer types.
17100 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17102 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
17103 * flow.c (remove_edge): Remove extra whitespace.
17104 (remove_fake_edges): Fix comment.
17105 (add_noreturn_fake_exit_edges): Use the correct name.
17107 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
17109 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
17110 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
17111 (clean): Depend on INTL_CLEAN.
17112 (maintainer-clean): Adjust.
17114 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17116 * configure.in (AC_PREREQ): Bump to 2.13.
17117 (AC_C_STRINGIZE): Call this instead of using a custom macro.
17119 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
17121 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
17123 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
17125 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
17126 (HAVE_STRINGIZE): Define.
17128 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
17130 * c-parse.in: save and restore warn_pointer_arith on __extension__
17131 along with pedantic.
17132 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
17133 Set the type of extension to itype rather than $<itype>1 kludge.
17134 * extend.texi (Alternate Keywords): Adjust documentation.
17135 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
17137 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
17139 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
17140 most assembler templates.
17142 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
17143 FP loads and stores.
17144 (following_call): Always return zero for the PA8000.
17145 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
17146 FP loads and stores.
17147 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
17149 * pa.h (BRANCH_COST): Define.
17151 * pa.md (return, return_internal): Use bve for PA2.0.
17153 * pa.md (fused multiply): Add variants which reduce height for the
17154 fused multiply, but which still generate 2 insns.
17155 (fnegabs): Similarly.
17157 * pa.md (subsi3): Turn into an expander. Create two anonymous
17158 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
17159 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
17161 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
17163 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
17165 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
17166 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
17168 * regclass.c (init_regs): Add "top_of_stack" as a garbage
17171 * flow.c (record_active_eh_regions): Terminate loop after finding
17172 the last insn in the last basic block.
17174 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17176 * config/c4x/c4x.md: Delete parallel instruction peepholes.
17178 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17180 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
17182 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17184 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
17185 splitting to not use output template.
17187 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17189 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
17190 * config/c4x/c4x.c (c4x_va_start): New function.
17192 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
17194 * genrecog.c (not_both_true): Handle correctly cases when called for
17195 tests with different positions in the insn.
17197 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17199 * machmode.h (HOST_PTR_PRINTF): Move from here ...
17201 * system.h (HOST_PTR_PRINTF): ... to here.
17203 * mips-tfile.c: Don't include machmode.h.
17205 * Makefile.in (MACHMODE_H): New variable. Update to use it.
17206 (mips-tfile.o): Don't depend on machmode.h.
17208 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17210 * haifa-sched.c (sched_analyze): Rename local variable `region' to
17211 avoid conflicts with typedef struct `region' at the top level scope.
17213 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
17215 * basic-block.h (basic_block): Add eh_beg, eh_end.
17216 * flow.c (entry_exit_blocks): Update.
17217 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
17218 Call new functions.
17219 (find_basic_blocks_1): Don't record eh_list at each bb. Use
17220 lists.c functions to allocate insn lists.
17221 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
17223 (make_eh_edge): ... here. New.
17224 (move_stray_eh_region_notes): New.
17225 (record_active_eh_regions): New.
17226 (delete_unreachable_blocks): Split out block merging ...
17227 (try_merge_blocks): ... here. New.
17228 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
17229 Dump debugging data.
17230 (merge_blocks_move_successor_nojumps): Likewise.
17231 (merge_blocks): Use eh_beg+eh_end to validate block movement.
17233 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17235 * extend.texi (Bound member functions): Document unbound pmf
17238 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17240 * flow.c (split_edge): Handle insertion on a fallthrough edge which
17241 has the EXIT_BLOCK as a dest.
17243 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17245 * flow.c (remove_edge): New function to remove an edge from the
17247 (remove_fake_successors): New function to remove fake successor edges.
17248 (remove_fake_edges): New function to remove all fake edges from the
17250 (add_fake_exit_edges): New function to add fake edges from all blocks
17251 with no successors to the exit block.
17252 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17253 prototypes for new functions.
17255 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17257 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17258 Use Pmode to determine whether to output .dword or .word.
17260 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17262 * tree.c (built_in_filename): New variable.
17263 (BUILT_IN_FILENAME): New macro.
17264 (init_tree_codes): Allocate built_in_filename.
17265 (make_node): Use built_in_filename instead of string constant.
17267 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17269 * configure.in: Add fr30 target.
17270 * configure: Regenerate.
17271 * config/fr30: New directory.
17272 * config/fr30/crti.asm: New file.
17273 * config/fr30/fr30.c: New file.
17274 * config/fr30/crtn.asm: New file.
17275 * config/fr30/fr30.h: New file.
17276 * config/fr30/fr30.md: New file.
17277 * config/fr30/lib1funcs.asm: New file.
17278 * config/fr30/t-fr30: New file.
17279 * config/fr30/xm-fr30.h: New file.
17281 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17283 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17284 BARRIER at the end of the successor, not the BARRIER before
17287 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17289 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17291 * stmt.c (any_pending_cleanups): Don't crash when
17292 current_function->stmt is unset.
17294 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17296 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17297 other initializations that may use it for relative offsets.
17299 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17301 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17302 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17303 * config/i386/sol2dbg.h: Removed.
17304 * config/i386/sol2gas.h: New file, to enable gas work-around.
17305 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17306 Don't use sol2dbg.h.
17307 * configure: Rebuilt.
17309 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17311 * invoke.texi (-fthis-is-variable): Remove documentation.
17313 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17315 * basic-block.h (compute_bb_for_insn): Declare.
17316 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17317 to use; set size of basic_block_for_insn directly.
17318 (find_basic_blocks): Update.
17320 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17322 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17324 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17326 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17327 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17329 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17331 * c-decl.c (c_decode_option): Extend comment.
17333 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17335 * toplev.c (progname): Make 'const char *'
17336 (flag_print_mem): Move out of main.
17337 (version_flag): Move out of main.
17338 (filename): Move out of main.
17339 (debug_args): Remove g prefix from options.
17340 (documented_lang_options): Remove cpplib specific options.
17341 (display_help): Add g prefix to debug options.
17342 (check_lang_option): Delete this function.
17343 (decode_d_option): New function: Decode -d... option.
17344 (decode_f_option): New function: Decode -f... option.
17345 (decode_W_option): New function: Decode -W... option.
17346 (decode_g_option): New function: Decode -g... option.
17347 (independent_decode_option): New function: Decode a language
17348 independent command line option.
17349 (main): Invoke lang_decode_option and then
17350 independent_decode_option on each command line option in
17353 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17355 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17356 * fold-const.c (fold_range_test): Do not try to fold the range
17357 test if the rhs or lhs has side effects.
17359 * basic-block.h (compute_flow_dominators): Declare.
17361 * gcse.c (alloc_code_hoist_mem): New function.
17362 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17363 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17364 (hoist_code, one_code_hoisting_pass): Likewise.
17365 (gcse_main): If optimizing for size, then hoist expressions
17366 computed in multiple dominated basic blocks.
17368 * gcse.c (invalid_nonnull_info): New function.
17369 (delete_null_pointer_checks): Likewise.
17370 * rtl.h (delete_null_pointer_checks): Declare.
17371 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17373 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17374 (merge-blocks_move_successor_nojumps): Likewise.
17375 (merge_blocks): Allow merging of some blocks, even if it requires
17376 physical movement of the blocks, but not if it requires new jumps.
17378 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17379 Callers and prototype changed.
17380 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17382 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17384 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17385 -YP when both -p and -pg are present. From i386/sol2.h.
17387 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17389 * Makefile.in (distclean): Delete tm_p.h.
17390 * configure.in: Create a new file, "tm_p.h", from a list in
17391 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17392 "i386/i386-protos.h".
17394 * alias.c: Include "tm_p.h".
17395 * c-typeck.c: Likewise.
17396 * calls.c: Likewise.
17398 * emit-rtl.c: Likewise.
17399 * explow.c: Likewise.
17400 * expmed.c: Likewise.
17401 * expr.c: Likewise.
17402 * final.c: Likewise.
17403 * flow.c: Likewise.
17404 * fold-const.c: Likewise.
17405 * function.c: Likewise.
17406 * gcse.c: Likewise.
17407 * global.c: Likewise.
17408 * haifa-sched.c: Likewise.
17409 * integrate.c: Likewise.
17410 * jump.c: Likewise.
17411 * local-alloc.c: Likewise.
17412 * loop.c: Likewise.
17413 * optabs.c: Likewise.
17414 * recog.c: Likewise.
17415 * reg-stack.c: Likewise.
17416 * regclass.c: Likewise.
17417 * regmove.c: Likewise.
17418 * reload.c: Likewise.
17419 * reload1.c: Likewise.
17420 * reorg.c: Likewise.
17421 * resource.c: Likewise.
17422 * stmt.c: Likewise.
17423 * stor-layout.c: Likewise.
17424 * toplev.c: Likewise.
17425 * tree.c: Likewise.
17426 * unroll.c: Likewise.
17427 * genattrtab.c (main): Make generated file include "tm_p.h".
17428 * genemit.c (main): Likewise.
17429 * genoutput.c (main): Likewise.
17430 * genrecog.c (main): Likewise.
17432 * i386.h: Delete all prototypes.
17433 * i386.c: Include "tm_p.h".
17434 (ix86_attr_length_default): Call constant_call_address_operand
17435 with correct number of arguments.
17436 * i386-protos.h: New file.
17437 * i386.md (unnamed patterns): Call constant_call_address_operand
17438 with correct number of arguments.
17439 (exception_receiver): Call load_pic_register with correct number
17442 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17444 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17446 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17448 * rtl.h (insns_safe_to_move_p): New function.
17449 * loop.c (find_and_verify_loops): Use it.
17450 * rtlanal.c (insns_safe_to_move_p): Define it.
17452 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17454 * c-pragma.c: Include ggc.h.
17455 * Makefile.in (c-pragma.o): Update.
17457 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17459 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17460 (LIB_SPEC): Likewise.
17461 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17462 Reindent -YP/-p/-pg.
17463 Copied from config/sparc/sol2.h.
17465 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17467 * c-pragma.c (mark_align_stack): New.
17468 (init_pragma): New.
17469 * c-pragma.h (init_pragma): Declare it.
17470 * c-lex.c (init_parse): Call it.
17472 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17474 * configure.in: Pick up thread library on Solaris/x86 just
17475 like on Solaris/sparc.
17476 * configure: Rebuilt.
17478 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17480 * rtl.h (global_rtx_index): New enum.
17481 (global_rtl): Change to array of rtx.
17482 (pc_rtx, cc0_rtx): Redefine accordingly.
17483 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17484 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17485 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17486 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17487 (const_int_rtx): Change to array of rtx.
17488 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17490 * emit-rtl.c (global_rtl): Change to array of rtx.
17491 (const_int_rtx): Change to aray of rtx.
17492 (gen_rtx_CONST_INT): Redefine accordingly.
17493 (init_emit_once): Allocate and initialize global_rtl. Likewise
17494 for const_int_rtx. Add both as GC roots.
17495 * genattrtab.c (global_rtl): Update declaration.
17497 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17499 * Makefile (USER_H): Add iso646.h back.
17501 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17503 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17504 zapping the LOG_LINKS of sched_before_next_call.
17506 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17507 * pa.c (insn_refs_are_delayed): Renamed from
17508 insn_sets_and_refs_are_delayed.
17510 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17512 * functiion.h (struct function): Add x_whole_function_mode_p.
17513 (retrofit_block): Declare.
17514 * function.c (retrofit_block): New function.
17515 (identify_blocks): Add assertions. Allow an incomplete set of
17516 block notes if we're still generating code for the function.
17517 * integrate.c: Include loop.h.
17518 (expand_inline_function): Call find_loop_tree_blocks to map block
17519 notes to blocks when in whole-function mode. Use retrofit_block
17520 to insert new BLOCKs for the inlined function, rather than
17522 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17523 * Makefile.in (integrate.o): Depend on loop.h.
17525 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17527 * tree.h (warn_about_unused_variables): Declare.
17528 * stmt.c (warn_about_unused_variables): New function, split out
17530 (expand_end_bindings): Here.
17532 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17534 * stmt.c (preserve_subexpressions_p): Don't crash when
17535 current_function->stmt is unset.
17537 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17539 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17540 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17541 (expand_start_target_temps): Use it.
17542 * except.c (expand_eh_region_start_for_decl): Likewise.
17543 * expr.c (expand_expr): Likewise.
17545 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17547 * fold-const.c (operand_equal_p): Pay attention to side effects.
17549 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17551 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17552 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17554 * tlink.c (scan_linker_output): Look for keywords before accepting
17555 a mangled name in quotes.
17557 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17559 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17560 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17562 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17564 * alpha.md: Revert Thu Nov 26 change that came in through the
17565 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17566 Avoid earlyclobber when possible.
17568 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17570 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17572 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17573 Define HAVE_ON_EXIT.
17575 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17577 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17578 CTYPE_CONV in all ctype macros.
17580 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17583 * cexp.y (initialize_random_junk): Likewise.
17585 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17587 * i370.c (handle_pragma): Likewise.
17589 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17591 * v850.c (override_options): Likewise.
17593 * doprint.c (_doprnt): Likewise.
17595 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17598 * fixinc/server.c (load_data): Likewise.
17600 * fold-const.c (real_hex_to_f): Likewise.
17602 * genattr.c (write_upcase, gen_attr): Likewise.
17604 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17605 write_upcase): Likewise.
17607 * genemit.c (print_code): Likewise.
17609 * genopinit.c (gen_insn): Likewise.
17611 * genpeep.c (print_code): Likewise.
17613 * genrecog.c (print_code): Likewise.
17615 * optabs.c (init_libfuncs): Likewise.
17617 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17619 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17621 (reemit_notes): Likewise.
17623 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17625 * ggc.h (ggc_root): Move to ggc-common.c.
17627 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17628 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17629 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17630 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17631 * ggc-common.c (ggc_root): Move from ggc.h.
17632 (roots): Declare, static.
17633 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17634 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17635 null or check/set mark bit.
17636 (ggc_mark_roots): New.
17637 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17639 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17641 * m32r.c: Include toplev.h.
17642 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17643 (gen_compare): Rename swap_p to must_swap to match uses.
17644 Add default abort case.
17645 (m32r_output_function_epilogue): Remove unused variables.
17646 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17647 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17648 define to empty parameter list. Update all uses.
17649 (predicate decls): Use enum machine_mode not int.
17650 * m32r.md (movsi): Call abort, not fatal_insn.
17651 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17653 1999-09-14 Andrew Haley <aph@cygnus.com>
17655 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17656 use $0 instead of 0.
17658 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17660 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17661 computation out of loop over hard regs.
17663 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17665 * function.c (identify_blocks): Don't shadow a variable in an
17667 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17668 pushdecl, or poplevel to build up the new BLOCK tree.
17669 (expand_inline_function): Likewise.
17670 (integrate_parm_decls): Likewise.
17672 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17674 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17676 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17678 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17679 * invoke.texi: Document this change.
17681 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17683 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17685 (mark_emit_status): Renamed from mark_emit_state.
17686 * except.c (mark_eh_status): Renamed from mark_eh_state.
17687 Check not null before marking.
17688 (free_eh_status): New.
17689 * expr.c (mark_expr_status, free_expr_status): New.
17690 * function.c (free_machine_status): New.
17691 (free_after_parsing): New.
17692 (free_after_compilation): Move bits to free_after_parsing; call
17693 free_eh_status, free_expr_status; zero the marked members of the
17695 (prepare_function_start): No can_garbage_collect.
17696 Call init_eh_for_function.
17697 (expand_dummy_function_end): Free up current_function state.
17698 (mark_function_status): Renamed from mark_function_state.
17699 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17700 * function.h (struct function): No can_garbage_collect.
17701 (free_machine_status, free_after_parsing): Declare.
17702 (free_eh_status, free_expr_status): Declare.
17703 * ggc.h (mark_expr_status): Declare.
17704 * stmt.c (free_stmt_status): Free the struct.
17705 (mark_stmt_status): Renamed from mark_stmt_state.
17706 (init_stmt): Don't call init_eh.
17707 (init_stmt_for_function): Don't call init_eh_for_function.
17708 * toplev.c (compile_file): Call init_eh.
17709 (rest_of_compilation): Free basic block info before ggc_collect.
17710 Call free_after_parsing; conditionally call free_after_compilation.
17711 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17712 Check not null before marking.
17713 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17715 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17717 * c-lex.c (yylex): Initialize warn.
17719 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17721 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17722 register when performing secondary reloads for the SAR register.
17724 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17726 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17727 (NOTE_BLOCK): New macro.
17728 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17729 * function.h (identify_blocks): Change prototype.
17730 * function.c (identify_blocks): Simplify.
17731 (reorder_blocks): Likewise.
17732 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17733 NOTE_INSN_BLOCK_{BEG,END}.
17734 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17735 the list of saved notes if the note isn't a
17736 NOTE_INSN_BLOCK_{BEG,END}.
17737 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17739 (reemit_notes): Adjust recreation of notes to reflect new saved
17741 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17742 printing a block note.
17743 * stmt.c (block_vector): Remove.
17744 (find_loop_tree_blocks): Simplify.
17745 (unroll_block_trees): Likewise.
17746 * tree.h (reorder_block): Change prototype.
17748 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17750 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17751 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17752 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17753 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17754 (atexit, exit): Simplify.
17755 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17756 * config/lots: Remove defns of HAVE_ATEXIT.
17758 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17760 * calls.c (precompute_arguments): Fix typo in comment.
17761 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17764 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17766 * dsp16xx.c (override_options): Fix typos in GC root registration.
17768 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17770 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17771 from config/svr4.h.
17772 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17773 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17774 (CC1_SPEC): Likewise.
17776 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17778 * genattr.c (main): Add extern prototype. Call return, not exit.
17779 * genattrtab.c (main): Likewise.
17780 * gencheck.c (main): Likewise.
17781 * gencodes.c (main): Likewise.
17782 * genconfig.c (main): Likewise.
17783 * genemit.c (main): Likewise.
17784 * genextract.c (main): Likewise.
17785 * genflags.c (main): Likewise.
17786 * gengenrtl.c (main): Likewise.
17787 * genopinit.c (main): Likewise.
17788 * genoutput.c (main): Likewise.
17789 * genpeep.c (main): Likewise.
17790 * genrecog.c (main): Likewise.
17792 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17793 * genattrtab.c (get_insn_name): Likewise.
17794 * gencodes.c (get_insn_name): Likewise.
17795 * genconfig.c (get_insn_name): Likewise.
17796 * genemit.c (get_insn_name): Likewise.
17797 * genextract.c (get_insn_name): Likewise.
17798 * genflags.c (get_insn_name): Likewise.
17799 * genopinit.c (get_insn_name): Likewise.
17800 * genpeep.c (get_insn_name): Likewise.
17802 * gencheck.c (usage): Add static prototype.
17803 * genextract.c (print_path): Constify a char*.
17804 * genopinit.c (optabs): Likewise.
17805 * genoutput.c (operand_data, data, output_predicate_decls,
17806 compare_operands): Likewise.
17807 * genrecog.c (write_tree): Add default case in switch.
17809 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17811 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17813 * print-rtl.c (get_insn_name): Remove prototype.
17815 * toplev.h (progname): Declare const.
17817 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17818 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17819 dump_sched_info, dump_local_alloc, regset_release_memory,
17820 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17821 error_with_file_and_line, error_with_decl, error_for_asm, error,
17822 fatal, warning_with_file_and_line, warning_with_decl, warning,
17823 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17824 Remove redundant prototypes.
17826 (notice, check_lang_option, report_file_and_line, vnotice,
17827 mark_file_stack): Add static prototype.
17828 (set_fatal_function): Add prototype.
17829 (vnotice, report_file_and_line, set_fatal_function,
17830 check_lang_option): Constify a char*.
17831 (main): Prototype. Call return, not exit.
17833 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17835 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17837 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17839 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17841 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17843 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17845 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17846 behave as if it's zero in all cases.
17847 (expand_function_start): Adjust call to assign_parms.
17848 * tree.h (assign_parms): Adjust prototype.
17849 * objc/objc-act.c (hack_method_prototype): Adjust call to
17852 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17854 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17855 arg_pointer_rtx fixed if the argument pointer register is
17857 (NONZERO_BASE_PLUS_P): Likewise.
17859 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17861 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17862 match_insn2 to match_insn.
17863 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17865 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17867 * Makefile.in (USER_H): Remove va-foo.h.
17869 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17870 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17871 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17872 va-spur.h,va-v850.h}: Remove.
17874 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17876 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17877 (in_return_delay): Use it instead of match_insn.
17879 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17881 * config/alpha/va_list.h (va-alpha.h): Do not include.
17882 (__gnuc_va_list): Typedef as in varargs.h.
17884 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17886 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17887 DECL_LIVE_RANGE_RTL.
17889 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17891 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17892 not NOTE_BLOCK_NUMBER.
17893 (expand_eh_region_end): Likewise.
17894 (find_exception_handler_labels): Likewise.
17895 (scan_region): Likewise.
17896 (exception_optimize): Likewise.
17897 (update_rethrow_references): Likewise.
17898 (set_insn_eh_region): Likewise.
17899 * final.c (final_scan_insn): Likewise.
17900 * flow.c (make_edges): Likewise.
17901 * integrate.c (expand_inline_function): Likewise.
17902 * print-rtl.c (print_rtx): Likewise.
17904 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17906 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17907 terms of builtin functions and types.
17909 * mips.c (mips_build_va_list): New.
17910 (mips_va_start, mips_va_arg): New.
17911 * mips.h (BUILD_VA_LIST_TYPE): New.
17912 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17914 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17915 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17916 * sh.h (BUILD_VA_LIST_TYPE): New.
17917 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17919 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17921 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17922 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17923 (struct insn_data): Likewise with n_operands, n_dups,
17924 n_alternatives, output_format.
17925 * regclass.c (scan_one_insn): Cast n_operands to int before
17926 arithmetic inside comparison.
17928 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17930 * toplev.c (compile_function): Unconditionally emit nop.
17932 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17934 * haifa-sched.c (actual_hazard): Move declaration of variable
17935 `this_cost' into the scope where it is used.
17937 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17939 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17940 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17941 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17943 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17945 * jump.c (find_insert_position): Don't declare or define unless
17946 !HAVE_conditional_arithmetic.
17947 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17949 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17951 * recog.c (offsettable_address_p): Prototype function pointer.
17952 (preprocess_constraints): Call memset, not bzero.
17954 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17955 (gcc_obstack_init): Don't declare.
17956 (fix_sizetype): Add static prototype.
17957 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17958 (tree_cons): Call memset, not bzero.
17960 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17961 definition in macro ASM_WEAKEN_LABEL.
17962 (mark_const_hash_entry): Add static prototype.
17964 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17966 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
17968 * unroll.c (find_common_reg_term, subtract_reg_term,
17969 loop_find_equiv_value): Add static prototypes.
17970 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
17971 (copy_loop_body): Remove unreachable break statement.
17973 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
17975 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
17977 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17979 Undo some changes from the gcc2 merge:
17980 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
17981 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
17985 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
17986 * emit-rtl.c (gen_lowpart_common): Disable optimization of
17987 initialized float-int union if the value is a NaN.
17989 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
17991 * gthr-win32.h: New file.
17993 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
17994 shared as a valid attribute.
17995 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
17996 * extend.texi: Document `shared' variable attribute.
17998 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
18000 * configure.in: Handle --enable-threads on FreeBSD.
18001 * configure: Rebuit.
18003 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
18005 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
18007 * configure: Rebuilt.
18009 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
18010 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
18011 Rosimildo DaSilva <rdasilva@connecttel.com>
18013 * configure.in (m68k-*-rtemscoff*): Added.
18014 * configure.in (mips64orion-*-rtems*): Converted to ELF.
18015 * configure.in (sparc-*-rtemsaout*): Added as alias for old
18016 sparc-rtems configuration.
18017 * configure.in (sparc-*-rtemself*): Added.
18018 * configure.in (sparc-*-rtems*): Now ELF not a.out.
18019 * config/i386/rtems.h: Added comment.
18020 * config/sparc/rtemself.h: New file.
18022 * configure.in (m68k-rtemself): Added.
18023 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
18024 and DWARF_DEBUGGING_INFO.
18025 * config/m68k/crti.s: New file.
18026 * config/m68k/crtn.s: New file.
18027 * config/m68k/t-crtstuff: New file.
18028 * config/m68k/rtemself.h: New file.
18030 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
18031 global ctor/dtor and C++ exception handling.
18032 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
18033 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
18035 * config/i386/t-rtems-i386: New File.
18037 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
18039 * stmt.c (expand_end_case): Return right away if the case stack is
18042 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
18044 * Makefile.in (version.c): Remove rule incorrectly brought in from
18047 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
18049 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
18050 * msdos/top.sed: Take into account a prepended $(SHELL) to
18052 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
18054 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
18056 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18058 * regmove.c (fixup_match_1): Don't change an unchanging register.
18059 (stable_but_for_p): Renamed to:
18060 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
18061 Changed all callers.
18063 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
18065 * loop.c (strength_reduce): Don't call reg_used_between_p if the
18066 insn from BL2 is after the insn from BL.
18068 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
18070 * recog.h (INSN_OUTPUT_FORMAT_*): New.
18071 (struct insn_data): Merge `template' and `outfun' into `output'.
18072 Add `output_format'.
18073 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
18074 (struct data): Remove `outfun'; add `output_format'.
18075 (name_for_index): Remove declaration.
18076 (output_insn_data): Handle output formats.
18077 (process_template): Emit the bare array for @.
18078 (gen_expand, gen_split): Set output_format to NONE.
18079 * output.h (get_insn_template): Declare.
18080 * final.c (get_insn_template): New.
18081 (final_scan_insn): Use it.
18082 * toplev.c (compile_file): Likewise.
18084 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18085 * i860/i860.c (output_delayed_branch): Likewise.
18086 (output_delay_insn): Likewise.
18088 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18090 * rtl.c (obstack_alloc_rtx): Removed.
18092 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
18094 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
18096 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18098 * i386.c (call_insn_operand): Reject const_int.
18099 (expander_call_insn_operand): Use call_insn_operand.
18101 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18103 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
18105 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
18107 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
18108 Use DImode operation.
18110 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
18112 * gcc.c: Include sys/resource.h.
18113 (report_times): New flag.
18114 (execute): If report_times is set, calculate and report the
18115 CPU time consumed by each subprocess.
18117 (rus, prus): New globals.
18118 (option_map): Add --time.
18119 (display_help): Document -time.
18120 (process_command): Set report_times if -time is given.
18121 Turn off -pipe if -time is given.
18123 * invoke.texi: Document new option -time.
18125 * configure.in: Check for getrusage. Check if we have to
18126 prototype getrusage.
18127 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
18128 * configure: Regenerate.
18129 * config.in: Regenerate.
18131 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
18133 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
18136 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
18138 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
18139 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
18140 (nan): Return _thenan_sf or _thenan_df as appropriate.
18141 (L_thenan_sf): Define _thenan_sf.
18142 (L_thenan_df): Define _thenan_df.
18144 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
18145 (DPBIT_FUNCS): Add _thenan_df.
18147 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
18149 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
18152 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18154 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
18157 (lang_specific_driver): Don't take a function pointer parameter.
18158 All callers changed.
18160 * gcc.c: Include gcc.h.
18161 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
18162 lang_specific_extra_outfiles, fatal): Don't declare.
18163 (multilib_defaults_raw): Constify.
18164 (read_specs): Call memset, rather than bzero.
18165 (main): Call return, not exit.
18166 (lookup_compiler): Call memcpy, not bcopy.
18167 (fatal): Make extern.
18169 * cppspec.c: Include gcc.h.
18170 (lang_specific_driver): Initialize variable `quote'. Constify a
18171 char*. All calls to the function pointer parameter now
18172 explicitly call `fatal'.
18174 * gccspec.c (lang_specific_driver): Include gcc.h.
18176 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
18178 * arm.c (note_invalid_constants): Use recog_data.operand_type
18181 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18183 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
18186 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
18187 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18188 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18189 reload_secondary_in_reload, reload_secondary_out_reload,
18190 reload_secondary_in_icode, reload_secondary_out_icode,
18191 reload_reg_rtx, reload_when_needed): Delete declarations.
18192 (struct reload): New structure.
18193 (rld): Declare new array.
18194 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
18195 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18196 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18197 reload_secondary_in_reload, reload_secondary_out_reload,
18198 reload_secondary_in_icode, reload_secondary_out_icode,
18199 reload_reg_rtx, reload_when_needed): Delete definitions.
18201 (whole file): Replace uses of the deleted arrays with uses of rld.
18202 * reload1.c (whole file): Replace uses of the deleted arrays with
18204 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
18205 explicit loops, not with bcopy.
18207 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
18209 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
18210 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
18211 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
18212 insn_name): Delete and consolidate into new structures.
18213 (insn_operand_predicate_fn): New.
18214 (insn_output_fn): New.
18215 (insn_gen_fn): New.
18216 (struct insn_operand_data): New.
18217 (struct insn_data): New.
18219 (OUT_FCN): Update for insn_data change.
18220 * builtins.c (expand_builtin_strlen): Likewise.
18221 (expand_builtin_memcmp): Likewise.
18222 * combine.c (make_extraction, simplify_comparison): Likewise.
18223 * cse.c (canon_reg, cse_insn): Likewise.
18224 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
18225 * expmed.c (store_bit_field, extract_bit_field): Likewise.
18226 (emit_store_flag): Likewise.
18227 * expr.c (convert_move, emit_block_move): Likewise.
18228 (clear_storage, emit_push_insn, expand_increment): Likewise.
18229 (do_store_flag): Likewise.
18230 * expr.h (GEN_FCN): Likewise.
18231 (insn_gen_function): Die.
18232 * final.c (final_scan_insn): Update for insn_data change.
18233 (output_asm_name): Likewise.
18234 * function.c (fixup_var_refs_1): Likewise.
18235 * loop.c (check_dbra_loop): Likewise.
18236 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
18237 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
18238 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
18239 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
18240 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
18241 * regmove.c (gen_add3_insn): Likewise.
18242 * reload.c (push_secondary_reload, combine_reloads): Likewise.
18243 (find_reloads, find_reloads_address_1): Likewise.
18244 (debug_reload_to_stream): Likewise.
18245 * reload1.c (emit_reload_insns, gen_reload): Likewise.
18246 * stmt.c (expand_end_case): Likewise.
18247 * toplev.c (compile_file): Likewise.
18249 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18250 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18252 * print-rtl.c (insn_name_ptr): Remove declaration.
18253 (get_insn_name): Declare.
18254 (print_rtx): Use it.
18255 * genoutput.c (insn_name_ptr): Remove.
18256 (next_operand_number): New.
18257 (struct operand_data): New.
18258 (null_operand, odata, odata_end): New.
18259 (struct data): Use struct operand_data.
18260 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18261 (get_insn_name): Renamed from name_for_index.
18262 (output_prologue): Define NO_MD_PROTOTYPES.
18263 (output_predicate_decls): Break out from output_epilogue.
18264 Iterate over the operands list.
18265 (output_operand_data): Break out from output_epilogue. Emit
18266 just the operands list.
18267 (output_insn_data): Break out from output_epilogue. Emit just
18269 (output_epilogue): Remove.
18270 (output_get_insn_name): New.
18271 (constraints, op_n_alternatives, predicates, address_p): Die.
18272 (modes, strict_low, seen): Die.
18273 (scan_operands): Take new param `d' instead of writing to
18274 seven global variables.
18275 (compare_operands): New.
18276 (place_operands): New.
18277 (validate_insn_alternatives): Update for struct data change.
18278 (gen_insn): Don't zero or copy 7 global arrays. Update for
18279 scan_operands; call place_operands.
18280 (gen_peephole, gen_expand, gen_split): Likewise.
18281 (main): Update for new output routines.
18283 * genattr.c (insn_name_ptr): Remove.
18284 (get_insn_name): New function.
18285 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18286 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18287 * genrecog.c: Likewise.
18289 * alpha.md (adddi3): Make `pattern' array static.
18291 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18293 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18294 c4x_cpu_version_string): Constify char *.
18295 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18296 c4x_cpu_version_string): Likewise.
18298 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18300 * tree.c (save_tree_status): Revert 10 Sep change.
18301 (restore_tree_status): Likewise. Call obstack_free with NULL
18302 before freeing the obstack proper.
18304 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18306 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18308 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18309 surrounding context.
18311 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18313 * tree.c (type_hash_canon): Put all types in the hash-table, when
18316 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18318 * recog.h (struct recog_data, recog_data): New.
18319 (recog_foo variables): Kill.
18320 * recog.c (recog_operand, recog_operand_loc): Kill.
18321 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18322 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18323 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18324 (recog_data): Define.
18325 (extract_insn): Update all recog_foo references to use recog_data.
18326 (preprocess_constraints, constrain_operands): Likewise.
18327 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18328 * genattrtab.c (main): Likewise.
18329 * genextract.c (main): Likewise.
18330 * genoutput.c: Likewise.
18331 * genrecog.c (write_subroutine, main): Likewise.
18332 * local-alloc.c (block_alloc): Likewise.
18333 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18334 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18335 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18336 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18337 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18338 (reload_cse_simplify_operands): Likewise.
18340 * arc/arc.c (arc_final_prescan_insn): Likewise.
18341 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18342 * h8300/h8300.c (notice_update_cc): Likewise.
18343 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18344 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18345 * mn10200/mn10200.c (notice_update_cc): Likewise.
18346 * mn10300/mn10300.c (notice_update_cc): Likewise.
18347 * romp/romp.c (update_cc): Likewise.
18348 * sparc/sparc.c (check_pic): Likewise.
18349 * v850/v850.c (notice_update_cc): Likewise.
18351 * genemit.c (main): Don't declare recog_operand.
18353 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18355 * ggc.h (rtvec_def): Forward declare.
18356 (tree_node): Likewise.
18357 (ggc_root): Define.
18359 (ggc_set_mark_rtx): Add prototype.
18360 (ggc_set_mark_rtvec): Likewise.
18361 (ggc_set_mark_tree): Likewise.
18362 * ggc-simple.c (ggc_root): Don't define.
18363 (roots): Don't declare.
18364 (ggc_mark_rtx): Remove.
18365 (ggc_mark_rtvec): Likewise.
18366 (ggc_mark_tree): Likewise.
18367 (ggc_mark_varray): Likewise.
18368 (ggc_mark_tree_hash_table_entry): Likewise.
18369 (ggc_mark_tree_hash_table): Likewise.
18370 (ggc_set_mart_rtx): New function.
18371 (ggc_set_mark_rtvec): Likewise.
18372 (ggc_set_mark_tree): Likewise.
18373 (ggc_add_root): Remove.
18374 (ggc_add_rtx_root): Likewise.
18375 (ggc_remove_tree_root): Likewise.
18376 (ggc_add_string_root): Likewise.
18377 (ggc_add_tree_varray_root): Likewise.
18378 (ggc_add_tree_hash_table_root): Likewise.
18379 (ggc_del_root): Likewise.
18380 (ggc_mark_rtx_ptr): Likewise.
18381 (ggc_mark_tree_ptr): Likewise.
18382 (ggc_mark_string_ptr): Likewise.
18383 (ggc_mark_tree_varray_ptr): Likewise.
18384 (ggc_mark_tree_hash_table_ptr): Likewise.
18385 * ggc-common.c: New file.
18386 * Makefile.in (OBJS): Add ggc-common.o.
18387 (ggc-common.o): List dependencies.
18389 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18391 * cppalloc.c (xstrdup): Use memcpy.
18392 * cpperror.c (cpp_print_containing_files): Don't use
18394 * cpplib.c (conditional_skip): Set temp->lineno.
18395 (do_endif): Make error message less obscure.
18396 (if_directive_name): New function.
18397 (cpp_get_token [case EOF]): Unwind the if stack and generate
18398 error messages for each unterminated conditional in this file.
18399 (parse_string): Do not behave differently if -traditional.
18401 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18403 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18404 va_list decomposing to pointer-type.
18405 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18406 (rs6000_va_arg): Likewise.
18408 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18410 * except.c (start_dynamic_handler): Compute size using
18411 STACK_SAVEAREA_MODE.
18413 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18415 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18416 include directory headers. Don't define strrchr. Don't provide
18417 my_* replacement functions. Prefer PTR over `pointer_type'.
18418 Don't prototype system functions. Don't redefine getopt.
18420 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18421 safe_read, safe_write, save_pointers, restore_pointers,
18422 is_id_char, in_system_include_dir, directory_specified_p,
18423 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18424 find_corresponding_lparen, referenced_file_is_newer,
18425 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18426 process_aux_info_file, identify_lineno, check_source,
18427 seek_to_line, forward_to_next_token_char, output_bytes,
18428 output_string, output_up_to, other_variable_style_function,
18429 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18430 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18431 find_static_definition, connect_defs_and_decs, add_local_decl,
18432 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18433 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18434 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18435 scan_for_missed_items, edit_file, string_list_cons): Add static
18437 (standard_exec_prefix, target_machine, target_version,
18438 default_syscalls_dir, string_list, string_list_cons, find_file,
18439 do_cleaning): Constify a char*.
18440 (safe_read, safe_write): Use PTR, not a char*.
18441 (is_id_char): Take an int, not a char.
18442 (main): Add prototype. Call return, not exit.
18444 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18446 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18447 when comparing types.
18449 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18451 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18452 (strength_reduce): Release the varrays from the no-bivs early exit.
18454 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18455 the loop over the registers.
18457 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18459 (restore_tree_status): Check that instead when freeing the obstack.
18461 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18463 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18466 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18468 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18469 operand size modifiers.
18471 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18473 * c-common.c (c_common_nodes_and_builtins): Don't build
18475 * c-common.h (enum c_tree_index and related accesor macros): Remove
18476 everything now declared in tree.h.
18477 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18478 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18479 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18480 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18481 unsigned_type_node, ptr_type_node, va_list_type_node,
18482 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18483 (init_decl_processing): Call build_common_tree_nodes and
18484 build_common_tree_nodes_2 instead of building their nodes here.
18485 Don't add roots for these nodes.
18486 * stor-layout.c (size_zero_node, size_one_node): Delete.
18487 (set_sizetype): Make a new node for bitsizetype each time.
18488 * tree.c (global_trees): New variable.
18489 (init_obstacks): Add a gc root for it.
18490 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18491 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18492 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18493 (build_common_tree_nodes): New function.
18494 (fix_sizetype): New function.
18495 (build_common_tree_nodes_2): New function.
18496 * tree.h (enum tree_index): New.
18497 (global_trees): Declare.
18498 Add accessor macros for all nodes now moved to global_trees.
18499 Delete their declarations.
18501 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18503 * c-decl.c (finish_function): When processing a nested function,
18504 push and pop GC context around rest_of_compilation.
18506 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18508 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18509 Default ix86_arch to PROCESSOR_I386.
18510 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18511 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18512 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18513 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18514 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18515 (EXTRA_SPECS): Remove deleted specs.
18517 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18519 * function.c (assign_stack_local_1): Allocate from
18520 function->x_frame_offset, not frame_offset.
18522 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18524 * ggc.h (lang_cleanup_tree): Remove.
18525 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18526 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18528 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18529 TYPE_LANG_SPECIFIC when garbage collecting.
18530 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18531 (lang_cleanup_tree): Remove.
18533 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18535 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18536 * crtstuff.c: Not here.
18537 * dwarf2out.c: Or here.
18538 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18541 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18543 * function.h (free_after_compilation): Remove decl parameter.
18544 (free_varasm_status0: Likewise.
18545 (free_emit_status): Likewise.
18546 (free_stmt_status): Likewise.
18547 (free_after_compilation): Likewise.
18548 (init_lang_status): New variable.
18549 (free_lang_status): Likewise.
18550 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18551 * function.c (init_lang_status): New variable.
18552 (free_lang_status): Likewise.
18553 (push_function_context_to): Don't set function::decl here.
18554 (free_after_copmilation): Make decl parameter implicit. Call
18555 free_lang_status if defined.
18556 (prepare_function_start): Call init_lang_status if defined.
18557 (init_function_start): Set function::decl here.
18558 * profile.c (output_func_start_profiler): Don't call pushdecl
18559 until we've actually started the function.
18560 * stmt.c (free_stmt_status): Make decl parameter implicit.
18561 * toplev.c (rest_of_compilation): Don't pass decl to
18562 free_after_compilation.
18563 * varasm.c (free_varasm_status): Likewise.
18565 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18567 * except.c (call_get_eh_context): Add root when allocating static
18570 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18572 * arm.c: Include "ggc.h".
18573 (arm_add_gc_roots): New function.
18574 (arm_override_options): Call it.
18575 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18577 * arm.md (define_asm_attributes): Add a pool_range attribute.
18579 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18581 * extend.texi (Volatiles): New node.
18583 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18585 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18586 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18587 (struct ggc_any): Replace `mark' with `magic_mark'.
18588 (ggc_alloc_string): Use memcpy, not bcopy.
18589 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18590 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18591 (ggc_free_any): New.
18592 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18593 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18594 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18595 Use IS_MARKED. Use ggc_free_any.
18597 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18599 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18601 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18603 * toplev.c (main): Always init_ggc.
18605 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18607 * except.c (find_all_handler_type_matches): Free the list if
18608 we found no matches.
18610 * combine.c (SUBST): Break out to a real function do_SUBST.
18611 (SUBST_INT): Likewise.
18612 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18613 (pre_insert): Free `inserted'.
18614 * loop.c (basic_induction_var): Always set `location'.
18616 * function.c (expand_function_end): Add initial_trampoline as a root.
18617 * rtl.h (init_varasm_once): Declare.
18618 * toplev.c (compile_file): Call it.
18619 * ggc-simple.c (ggc_mark_string_ptr): New.
18620 (ggc_add_string_root): New.
18621 (ggc_collect): Disable collection avoidance temporarily.
18622 * ggc.h (ggc_add_string_root): Declare.
18623 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18624 * optabs.c (init_libfuncs): Likewise.
18625 * varasm.c (named_section): Use ggc_alloc_string.
18626 (make_function_rtl): Likewise.
18627 (make_decl_rtl): Likewise.
18628 (assemble_static_space): Likewise.
18629 (assemble_trampoline_template): Likewise.
18630 (output_constant_def): Likewise.
18631 (force_const_mem): Likewise.
18632 (mark_const_hash_entry): New.
18633 (mark_pool_sym_hash_table): New.
18634 (mark_varasm_state): Use it.
18635 (init_varasm_once): New.
18637 * expr.h (init_one_libfunc): Declare.
18638 * optabs.c (init_one_libfunc): New.
18639 (init_optabs): Use it.
18640 * config/gofast.h: Likewise.
18641 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18642 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18644 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18646 * Makefile.in (cppexp.o): Depend on cpphash.h.
18647 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18649 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18650 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18651 redefining poisoned identifiers, etc.
18652 (do_undef): Don't allow poisoned identifiers to be undefined.
18653 (do_pragma): Add #pragma poison.
18654 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18656 * cccp.c: Add T_POISON node type.
18657 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18659 (do_define): Generalise to handle poisoned definitions,
18660 redefining poisoned identifiers, etc.
18661 (do_undef): Don't allow poisoned identifiers to be undefined.
18662 (do_pragma): Add #pragma poison.
18663 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18665 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18666 * c-pragma.h: Add ps_poison state. We now always have generic
18669 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18671 * ggc.h (ggc_alloc): New function.
18672 (ggc_mark): Likewise.
18673 * ggc-simple.c (ggc_any): New structure.
18674 (ggc_status): Add anys.
18675 (n_anys_collected): New variable.
18676 (ggc_alloc): Define.
18677 (ggc_mark): Likewise.
18678 (ggc_collect): Collect the anys.
18680 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18682 * c-decl.c (mark_binding_level): Make static to match prototype.
18684 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18686 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18688 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18690 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18691 will use into account. Expand the max width to 5.
18694 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18696 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18697 for the rtx length.
18699 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18701 * alpha.md (call value patterns): Remove the result predicates.
18703 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18705 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18708 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18710 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18711 changed from extern char *, to extern PTR. Also fix typo in
18712 NEED_DECLARATION_REALLOC test.
18714 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18716 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18718 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18719 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18720 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18721 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18723 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18725 * cccp.c (pcfinclude): Likewise.
18727 * global.c (allocno_compare): Likewise.
18729 * haifa-sched.c (rank_for_schedule): Likewise.
18731 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18733 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18735 * stupid.c (stupid_reg_compare): Likewise.
18737 * tree.c (_obstack_allocated_p): Likewise.
18739 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18741 1999-09-08 Bruce Korb autogen@linuxbox.com
18743 * Makefile.in: Give the hapless gperf user a hint about
18744 why "gperf -F" fails.
18746 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18748 * lists.c: Include ggc.h.
18750 (init_EXPR_INSN_LIST_cache): Install it.
18752 * ggc-simple.c (init_ggc): Absorb the old init.
18753 (ggc_push_context): Use xcalloc.
18754 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18755 (ggc_collect): Add [rvts] tags to the collection stats.
18757 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18759 * cccp.c (main): Fix handling of -include and -imacros options.
18761 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18763 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18765 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18767 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18770 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18772 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18773 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18774 and SET_DEST. Update comment.
18776 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18778 * config/c4x/c4x.c: Include ggc.h.
18779 (c4x_add_gc_roots): New function.
18780 (c4x_override_options): Call c4x_add_gc_roots.
18782 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18784 * defaults.h (TARGET_ESC): Move ...
18785 * system.h: ... here, where Linas had it in the first place. Silly me.
18787 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18789 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18790 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18791 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18792 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18793 * defaults.h (TARGET_ESC): Add default.
18795 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18797 * configure.in: add i370-*-openedition, i370-*-mvs and
18798 i370-*-linux targets
18800 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18802 * dsp16xxx.c: Include ggc.h
18803 (override_options): Mark GC roots.
18804 * mn10200.c: Include ggc.h.
18805 (asm_file_start): Mark GC roots.
18806 * tahoe.c: Include ggc.h.
18807 (extensible_operand): Mark GC roots.
18809 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18811 * README: Add section discussing status of ELF ABI.
18812 * i370.c: Fix misc spelling mistakes.
18813 (i370_label_scan): Updated notes, exception handling.
18814 (i370_function_prolog): Simplify ELF stack handling.
18815 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18816 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18817 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18818 * i370.md: (movdi): Add notes.
18819 (floatsidf2): Use stack not rtca for scratch float area.
18820 (iorsi3): Correct operand constraints.
18821 * x-oe: Restore TAROUTOPTS which are used by pax.
18823 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18825 * rs6000.c: Include ggc.h.
18826 (rs6000_add_gc_roots): New function.
18827 (override_options): Call it.
18829 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18831 * alpha.h (alpha_compare): New.
18832 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18833 * alpha.c: Likewise for the definitions.
18834 (alpha_emit_conditional_branch): Update for alpha_compare.
18835 (alpha_emit_conditional_move): Likewise.
18836 * alpha.md (cmpdf, cmpdi): Likewise.
18837 (setcc patterns): Likewise. Zero alpha_compare after use.
18838 (sne): Optimize (x != 0) into (0U < x).
18840 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18842 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18843 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18844 (INIT_EXPANDERS): Remove.
18845 * alpha.c: Include ggc.h.
18846 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18847 (alpha_init_machine_status, alpha_mark_machine_status): New.
18848 (override_options): Install them.
18849 (struct machine_function): Moved to alpha.h.
18850 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18851 (alpha_init_expanders): Remove.
18852 (alpha_return_addr): Adjust to use current_function->machine.
18853 (alpha_ra_ever_killed): Likewise.
18854 (alpha_expand_epilogue): Likewise.
18855 * alpha.md (eh_epilogue): Likewise.
18857 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18858 Melissa O'Neill <oneill@cs.sfu.ca>
18859 Geoffrey Keating <geoffk@cygnus.com>
18861 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18862 call-used registers (call-saved registers must still be contiguous
18863 and end with r31, of course).
18865 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18867 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18868 (self_promoting_type_p): Delete.
18869 (self_promoting_args_p): Move ...
18870 * c-common.c: ... here.
18871 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18872 (simple_type_promotes_to): New.
18873 * builtins.c (lang_type_promotes_to): New.
18874 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18875 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18876 * c-common.h: ... here.
18877 (self_promoting_args_p, simple_type_promotes_to): Declare.
18878 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18879 (grokdeclarator): Likewise.
18880 * tree.h (lang_type_promotes_to): Declare.
18882 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18884 Add some machine-dependent GC roots.
18885 * sparc.c: Include ggc.h.
18886 (sparc_add_gc_roots): New function.
18887 (mark_ultrasparc_pipeline_state): Likewise.
18888 (override_options): Call sparc_add_gc_roots.
18889 * pa.c: Include ggc.h.
18890 (pa_add_gc_roots): New function.
18891 (mark_deferred_plabels): Likewise.
18892 (override_options): Call pa_add_gc_roots.
18893 * mips.c: Include ggc.h.
18894 (mips_add_gc_roots): New function.
18895 (override_options): Use it.
18897 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18899 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18901 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18902 cpp_parse_expr): Add static prototypes.
18903 (parse_charconst): Don't cast away const-ness.
18904 (token): Constify a char*.
18906 * cppfiles.c (file_name_list, include_hash, find_include_file,
18907 finclude, initialize_input_buffer): Constify a char*.
18908 (file_cleanup, find_position): Add static prototypes.
18910 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18911 collect_expansion): Add static prototypes.
18912 (cpp_install, create_definition, monthnames): Constify a char*.
18914 * cpphash.h (cpp_install): Likewise.
18916 * cppinit.c (known_suffixes, default_include,
18917 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18918 (base_name, dump_special_to_buffer, initialize_dependency_output):
18919 Add static prototypes.
18921 * cpplib.c (my_strerror): Constify a char*.
18922 (null_underflow, null_cleanup, skip_comment, copy_comment,
18923 copy_rest_of_line, handle_directive, pass_thru_directive,
18924 get_directive_token, read_line_number, cpp_print_file_and_line,
18925 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18926 v_cpp_warning_with_line, detect_if_not_defined,
18927 consider_directive_while_skipping): Add static prototypes.
18928 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18929 cpp_pedwarn_with_file_and_line): Constify a char*.
18931 * cpplib.h (cpp_options, include_hash, progname, definition,
18932 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18933 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18934 find_include_file, deps_output, include_hash): Constify a char*.
18936 * cppmain.c (progname): Constify.
18937 (main): Add prototype. Use return, not exit.
18939 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18940 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18941 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18942 check_protection): Add static prototype.
18944 (progname, recognized_macrom, recognized_extern): Constify a char*.
18945 (main): Add prototype.
18947 * gen-protos.c (progname): Constify a char*.
18949 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18951 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18952 (init_emit_once): Add more GC roots.
18953 * except.c (mark_func_eh_entry): New function.
18954 (mark_eh_node): Mark false_label and rethrow_label.
18955 (init_eh): Add more GC roots.
18956 * function.c (free_after_compilation): Take decl as a paramter.
18957 Call free_stmt_status.
18958 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18960 * function.h (free_after_compilation): Change prototype.
18961 (free_varasm_status): Likewise.
18962 (free_emit_status): Likewise.
18963 (free_stmt_status): New function.
18964 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18965 Remove, replacing with ...
18966 (ggc_status): New structure.
18967 (ggc_chain): New variable.
18968 (init_gcc): Define.
18969 (ggc_push_context): New function.
18970 (ggc_pop_context): Likewise.
18971 (ggc_alloc_rtx): Adjust for use of ggc_chain.
18972 (ggc_alloc_rtvec): Likewise.
18973 (ggc_alloc_tree): Likewise.
18974 (ggc_alloc_string): Likewise.
18975 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
18976 (ggc_mark_tree): Give language-dependent code a chance to mark
18978 (ggc_mark_tree_varray): Handle empty arrays.
18979 (ggc_collect): Adjust for use of ggc_chain. Clear
18980 bytes_alloced_since_last_gc.
18981 * ggc.h (ggc_pop_context): New function.
18982 (ggc_push_context): Likewise.
18983 * print-tree.c (print_node): Don't print obstacks when GC'ing.
18984 * stmt.c (free_stmt_status): New function.
18985 (init_stmt_for_function): Clear last_expr_value.
18986 * toplev.c (rest_of_compilation): Always call free_after_compilation.
18987 Conditionalize call to ggc_collect.
18988 (main): Call init_ggc.
18989 * tree.c (push_obstacks): Do the push, even when GC'ing.
18990 (push_obstacks_nochange): Likewise.
18991 (pop_obstacks): Liekwise.
18992 * varasm.c (free_varasm_status): Take decl as a parameter.
18994 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
18996 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
18997 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
18998 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
18999 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
19001 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
19003 * pa/x-pa-mpeix: New file for the MPE port.
19005 * pa/quadlib.asm: New file for long double support.
19007 * configure.in: Add hppa1.0-*-mpeix for MPE port.
19008 * configure: Rebuilt.
19010 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
19012 * final.c (shorten_branches): Fix last change.
19014 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
19016 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
19018 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
19020 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
19023 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19025 * c-aux-info.c (concat): Don't define.
19027 * cccp.c (my_strerror): Likewise. All callers changed to use
19029 (do_include): Call xstrdup, not xmalloc/strcpy.
19030 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
19031 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
19033 * collect2.c (my_strsignal): Likewise. All callers changed to use
19035 (locatelib): Call xstrdup, not xmalloc/strcpy.
19037 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
19039 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
19041 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
19043 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
19045 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
19047 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
19049 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
19051 (find_all_handler_type_matches): Likewise. Don't check return
19053 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
19054 xmalloc, not malloc.
19055 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
19057 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
19058 (init_spec): Call xcalloc, not xmalloc/bzero.
19059 (set_spec): Call xstrdup, not save_string.
19060 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
19061 (find_a_file): Call xstrdup, not xmalloc/strcpy.
19062 (process_command): Call xstrdup, not save_string.
19063 (main): Call xcalloc, not xmalloc/bzero.
19065 * gcov.c (xmalloc): Don't define.
19066 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
19067 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
19068 (output_data): Call xcalloc, not xmalloc/bzero.
19070 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
19072 * mips-tdump.c (xmalloc): Don't define.
19073 (print_symbol): Call xmalloc, not malloc.
19074 (read_tfile): Call xcalloc, not calloc.
19076 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
19077 Don't define. All callers of xfree/my_strsignal changed to use
19078 free/strsignal instead.
19079 (allocate_cluster): Call xcalloc, not calloc.
19081 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
19082 Fix memory leak, free allocated memory.
19084 * prefix.c (translate_name): Call xstrdup, not save_string.
19085 (update_path): Likewise.
19087 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
19089 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
19090 Don't define. Callers of xfree/savestring2 changed to use
19091 free/concat instead.
19093 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
19094 (init_elim_table): Likewise.
19096 * resource.c (init_resource_info): Likewise.
19098 * stupid.c (stupid_life_analysis): Likewise.
19100 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
19101 (open_dump_file): Call concat, not xmalloc/strcpy/...
19102 (clean_dump_file): Likewise.
19103 (compile_file): Call xstrdup, not xmalloc/strcpy.
19105 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
19107 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
19108 * v850.c (v850_va_arg): New.
19110 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19112 * haifa-sched.c: Tidy comments.
19114 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19116 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
19117 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
19118 $(out_object_file)): Depend on ggc.h.
19119 * c-common.c: Include "ggc.h".
19120 (combine_strings): If doing GC, use ggc_alloc_string.
19121 * c-decl.c: Include "ggc.h".
19122 (ggc_p): Define with value 0.
19123 (mark_binding_level): New function.
19124 (init_decl_processing): Add GC roots.
19125 (mark_c_function_context): New function.
19126 (lang_mark_false_label_stack): New function.
19127 (lang_mark_tree): New function.
19128 (lang_cleanup_tree): New function.
19129 * c-lang.c: Include "ggc.h".
19130 (lang_init): Call c_parse_init.
19131 * c-lex.c: Include "ggc.h".
19132 (check_linenum): If doing GC, don't copy filenames to permanent
19134 * c-parse.in: Include "ggc.h".
19135 (c_parse_init): New function.
19136 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
19137 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
19139 * except.c (mark_eh_state): Mark more state.
19140 * function.c (mark_function_state): Likewise.
19141 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
19142 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
19143 * toplev.c (mark_file_stack): New function.
19144 (compile_file): If doing GC, use ggc_alloc_string on input filename.
19145 (main): Add root for input_file_stack.
19147 * i386.c: Include "ggc.h".
19148 (ix86_mark_machine_status): New function.
19149 (override_options): Set mark_machine_status.
19151 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19153 * tree.c (copy_node): Copy node contents also if doing GC.
19155 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19157 * collect2.c (scan_libraries): Fix double-thinko :-).
19159 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
19161 * collect2.c (scan_libraries): Fix thinko.
19163 * cse.c (delete_trivially_dead_insns): Do not skip the last
19164 insn if it is a real insn.
19166 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
19168 * Makefile.in (ggc-simple.o): Depend on hash.h.
19169 * ggc.h (ggc_add_tree_hash_table_root): Declare.
19170 (ggc_mark_tree_varray): Likewise.
19171 (ggc_mark_tree_hash_table): Likewise.
19172 * ggc-simple.c: Include hash.h.
19173 (ggc_mark_tree_hash_table_ptr): New function.
19174 (ggc_mark_tree_hash_table_entry): Likewise.
19175 (ggc_mark_tree_hash_table): Likewise.
19176 (ggc_add_tree_hash_table_root): Likewise.
19177 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
19178 rtx, when defining fields.
19180 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19182 * profile.c (output_func_start_profiler): Remove apparently
19183 nonsensical call to start_sequence.
19185 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
19187 * clipper/clipper.c (clipper_va_start): Fix typos.
19189 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
19190 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
19191 (spur_va_arg): New stub.
19193 * configure.in: Comment out pyramid.
19195 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
19197 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
19198 don't conflict with the bits that win32, cygwin, and dgux
19201 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
19202 Bernd Schmidt <bernds@cygnus.co.uk>
19204 * integrate.c (function_cannot_inline_p): Do not inline
19205 functions with forced labels.
19207 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
19208 Bernd Schmidt <bernds@cygnus.co.uk>
19209 Mark Mitchell <mark@codesourcery.com>
19211 * Makefile.in (ggc-simple.o): Depend on varray.h.
19212 (rtl.o): Depend on ggc.h.
19213 (genattrtab.o): Depend on ggc.h.
19214 (print-tree.o): Likewise.
19215 (fold-const.o): Likewise.
19216 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
19217 (make_insn_raw): Don't cache insns when GC'ing.
19218 (emit_insn_before): Likewise.
19219 (emit_insn_after): Likewise.
19220 (emit_insn): Likewise.
19221 (start_sequence): Use xmalloc to allocate the sequence_stack.
19222 (end_sequence): Add free to free it.
19223 (gen_sequence): Don't cache insns when GC'ing.
19224 (clear_emit_caches): Don't use sequence_element_free_list.
19225 (init_emit): Use xcalloc, not xmalloc+bzero.
19226 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
19227 * function.c (pop_function_context_from): Use free to free the
19228 fixup_var_refs_queue.
19229 (put_reg_into_stack): Allocate it with xmalloc.
19230 * genattrtab.c: Include ggc.h.
19231 (operate_exp): Don't use obstack_free when GC'ing.
19232 (simplify_cond): Likewise.
19233 (simplify_text_exp): Likewise.
19234 (optimize_attrs): Likewise.
19235 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
19237 (gencode): Generate a #include for ggc.h.
19238 * ggc-callbacks.c (ggc_p): Define it to zero.
19239 * ggc-none.c (ggc_p): Likewise.
19240 * ggc-simple.c: Include varray.h.
19241 (ggc_mark_tree_varray): New function.
19242 (ggc_add_tree_varray_root): Likewise.
19243 (ggc_mark_tree_varray_ptr): Likewise.
19244 * ggc.h (ggc_p): Declare.
19245 (varray_head_tag): Likewise.
19246 (ggc_add_tree_varray_root): Declare.
19247 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19248 inconsistencies when GC'ing.
19249 * rtl.c: Include ggc.h.
19250 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19251 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19252 (rtx_free): Don't call obstack_free when GC'ing.
19253 * toplev.c (rest_of_compilation): Call ggc_collect after every
19255 * tree.c (push_obstacks): Do nothing, if GC'ing.
19256 (pop_obstacks_nochange): Likewise.
19257 (pop_obstacks): Likewise.
19258 (make_node): Use ggc_alloc_tree when GC'ing.
19259 (copy_node): Likewise.
19260 (get_identifier): Use ggc_alloc_string when GC'ing.
19261 (build_string): Likewise.
19262 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19263 (tree_cons): Likewise.
19264 (build1): Likewise.
19265 (type_hash_canon): Don't call obstack_free when GC'ing.
19267 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19269 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19270 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19272 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19273 Bernd Schmidt <bernds@cygnus.co.uk>
19274 Mark Mitchell <mark@codesourcery.com>
19276 * Makefile.in (stor-layout.o): Depend on ggc.h.
19277 (expr.o): Depend on ggc.h.
19278 (profile.o): Depend on ggc.h.
19279 (stor-layout.o): Depend on ggc.h.
19280 * emit-rtl.c (init_emit_once): Add gc roots.
19281 * expr.c: Include ggc.h.
19282 (emit_block_move): Add gc roots.
19283 (clear_storage): Likewise.
19284 * expr.h (init_stor_layout_once): New function.
19285 * profile.c: Include ggc.h.
19286 (init_arc_profiler): profiler_label is a root.
19287 * scan.c (make_sstring_space): Trust xrealloc to function
19288 correctly with first parameter NULL.
19289 * stor-layout.c: Include ggc.h.
19290 (set_sizetype): Add gc root.
19291 (init_stor_layout_once): New function.
19292 * toplev.c (compile_file): Call it.
19294 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19295 Bernd Schmidt <bernds@cygnus.co.uk>
19296 Mark Mitchell <mark@codesourcery.com>
19298 * Makefile.in (tree.o): Depend on ggc.h.
19299 (varasm.o): Likewise.
19300 (function.o): Likewise.
19301 (stmt.o): Likewise.
19302 (except.o): Likewise.
19303 (optabs.o): Likewise.
19304 (emit-rtl.o): Likewise.
19305 * emit-rtl.c: Include ggc.h.
19306 (sequence_element_free_list): Remove, and all references.
19307 (mark_sequence): New functions.
19308 (mark_emit_state): New function.
19309 * except.c: Include ggc.h.
19310 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19311 (mark_tree_label_node): New functions.
19312 (mark_eh_state): New function.
19313 * function.c: Include ggc.h.
19314 (mark_temp_slot, mark_function_chain): New functions.
19315 (mark_function_state): New function.
19316 (init_function_once): New function.
19317 * function.h (init_function_once): New function.
19318 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19319 * ggc.h (label_node): Declare.
19320 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19321 (lang_mark_false_label_stack): New function.
19322 (mark_temp_slot): Remove declaration.
19323 (mark_function_chain): Likewise.
19324 (mark_eh_state): Adjust prototype.
19325 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19327 * optabs.c: Include ggc.h.
19328 (mark_optab): New function.
19329 (init_optabs): Add gc roots.
19330 * stmt.c: Include ggc.h.
19331 (mark_cond_nesting, mark_loop_nesting): New functions.
19332 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19333 (mark_stmt_state): New function.
19334 * toplev.c (compile_file): Call init_function_once.
19335 * tree.c: Include ggc.h.
19336 (type_hash): Move declaration earlier in file.
19337 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19338 (init_obstacks): Add gc roots.
19339 (mark_type_hash): New function.
19340 * varasm.c: Include ggc.h.
19341 (mark_pool_constant): New function.
19342 (mark_varasm_state): New function.
19344 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19346 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19348 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19350 * c-decl.c (struct language_function): Renamed from struct c_function.
19352 (c_function_chain): Delete.
19353 (push_c_function_context): New arg F. Don't warn about nested
19354 functions here. Fill LANGUAGE elt of F. Delete code to update
19355 c_function_chain. Don't call push_function_context.
19356 (pop_c_function_context): New arg F. Restore from there instead of
19357 from c_function_chain. Don't call pop_function_context. Clear out
19358 LANGUAGE field of F when done.
19359 * c-lang.c: Include "function.h"
19360 (lang_init): Initialize save_lang_status and restore_lang_status.
19361 * c-parse.in (nested_function, nested_function_notype): Warn about
19362 nested functions. Call push_function_context/pop_function_context
19363 instead of the _c_ variants.
19364 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19366 * Makefile.in (c-lang.o): Update dependencies.
19368 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19369 regno_pointer_flag, regno_pointer_align.
19370 (gen_reg_rtx): Use xrealloc to enlarge them.
19371 (free_emit_status): New function.
19372 * function.c (mark_machine_status, mark_lang_status): New variables.
19373 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19374 in some bits from assign_stack_local. All callers changed to use new
19376 (assign_stack_local): Just call assign_stack_local_1.
19377 (free_after_compilation): New function.
19378 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19379 (trampoline_address): Likewise.
19380 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19381 (prepare_function_start): Explicitly clear some more variables.
19382 * function.h (struct function): New elt can_garbage_collect.
19383 (mark_machine_status, mark_lang_status): Declare variables.
19384 (free_after_compilation, free_emit_status, free_varasm_status,
19385 init_varasm_status): Declare functions.
19386 * toplev.c (rest_of_compilation): Call free_after_compilation when
19387 done with the current function.
19388 * varasm.c (free_varasm_status): New function.
19390 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19392 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19393 (EXPAND_BUILTIN_VA_ARG): Define.
19394 * sparc.c (sparc_va_start): New.
19395 (sparc_va_arg): New.
19397 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19399 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19401 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19403 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19405 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19407 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19408 (OBJS): Add $(GGC).
19409 (ggc-callbacks.o): New target.
19410 * ggc-callbacks.c: New file.
19412 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19414 * expr.h: Collapse individual optab and libfunc vars to arrays.
19415 (optab_index, libfunc_index): New enumerations.
19416 (optab_table, libfunc_table): New arrays.
19417 Add accessor macros for both.
19419 * optabs.c (optab_table, libfunc_table): New.
19420 Delete declarations for individual optab and libfunc vars.
19422 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19424 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19426 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19428 * Makefile.in (GGC, GGC_LIB): New.
19429 (HOST_RTL): Include ggc-none.o.
19430 (ggc-simple.o): New target.
19431 (ggc-none.o): Likewise.
19432 * tree.h (tree_common): Add gc_mark.
19433 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19434 (struct rtvec_def): Add gc_mark.
19435 * emit-rtl.c (global_rtl): Update static initializers to contain
19436 enough initializers.
19437 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19438 * toplev.c (gc_time): New variable.
19439 (all_time): New variable.
19440 (compile_file): Print gc time.
19441 (print_time): Calculate percentage of the whole.
19443 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19445 Change obstack memory management and varasm constant pool handling so
19446 that nested functions are treated like any other functions.
19447 * function.c (init_machine_status): New variable.
19448 (push_function_context_to): Set contains_functions for the outer
19449 function. Don't call save_varasm_status.
19450 (pop_function_context_from): Don't call restore_varasm_status. Don't
19451 set current_function_contains_functions.
19452 (prepare_function_start): Call init_varasm_status rather than
19453 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19455 * function.h (struct function) Add field varasm. Delete fields
19456 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19457 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19458 (init_machine_status): Declare.
19459 (save_varasm_status, restore_varasm_status): Delete declarations.
19460 (save_tree_status, restore_tree_status): Delete last argument.
19461 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19462 code. All callers changed.
19463 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19464 save_constants_in_decl_trees, restore_constants, save_constants,
19465 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19467 (inlining): New variable.
19468 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19469 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19471 (save_for_inline_nocopy): Don't save constants.
19472 Don't set inl_emit field in current_function.
19473 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19474 function. Set new variable inlining before
19475 calling copy_rtx_and_substitute.
19476 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19477 constant pool references if inlining is nonzero.
19478 Delete ADDRESS and (most of the) CONST cases.
19479 (output_inline_function): Save and restore current_function/
19480 current_function_decl. Delete restore_constants code. Don't call
19481 init_const_rtx_hash_table.
19482 * output.h (init_const_rtx_hash_table): Don't declare.
19483 * rtl.h (struct function): Declare.
19484 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19485 * toplev.c (rest_of_compilation): Don't treat nested functions or
19486 functions containing them specially. Delete all code to deal with
19487 save_for_inline_copying.
19488 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19489 inline_obstacks): Delete variables.
19490 (save_tree_status): Lose arg CONTEXT. All callers changed.
19491 Simply allocate a new function_maybepermanent_obstack for the new
19492 function, delete all the special cases.
19493 Don't save inline_obstacks.
19494 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19495 Delete special handling for function_maybepermanent_obstack; simply
19497 Don't restore inline_obstacks.
19498 (permanent_allocation): Delete code that frees inline_obstacks.
19499 (print_inline_obstack_statistics): Delete function.
19500 (dump_tree_statistics): Don't call it.
19501 * varasm.c (struct varasm_status): New.
19502 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19503 last_pool, pool_offset, const_double_chain): Delete global
19504 variables, replace with accessor macros.
19505 (immed_double_const): Don't walk const_double_chain outside a
19506 function, but don't treat nested functions specially anymore.
19507 (immed_real_const_1): Likewise.
19508 (clear_const_double_mem): Don't treat nested functions specially.
19509 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19510 (save_varasm_status, restore_varasm_status): Delete functions.
19511 (init_varasm_status): New function.
19512 (force_const_mem): Don't treat nested functions specially.
19513 (find_pool_constant): Accept new arg F, search for constants in
19514 that function's pool rather than the current one. All callers
19516 (get_pool_constant_for_function, get_pool_mode_for_function): New
19519 * i386.c (init_386_machine_status): New function, mostly from
19520 clear_386_stack_locals.
19521 (struct machine_functions): Rename element names to avoid name
19523 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19524 macros, replacing global variables.
19525 (clear_386_stack_locals, save_386_machine_status,
19526 restore_386_machine_status): Delete functions.
19527 (override_options): Initialize init_machine_status.
19528 * i386.h (INIT_EXPANDERS): Delete macro.
19529 (save_386_machine_status, restore_386_machine_status,
19530 clear_386_stack_locals): Delete declarations.
19532 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19534 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19535 (doloop_begin): Simplify pattern and use emit_jump_insn.
19536 (doloop_end): Simplify pattern, switch operand order,
19537 and use emit_jump_insn.
19539 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19541 * function.h (struct function): Add new element LANGUAGE.
19542 (save_lang_status): Declare new variable.
19543 (restore_lang_status): Likewise.
19544 * function.c (save_lang_status): Define.
19545 (restore_lang_status): Likewise.
19546 (push_function_context_to): Call language-specific save function.
19547 (pop_function_context_from): Call language-specific restore function.
19549 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19551 * i386.md (movsf_1): Check REG_P before use of REGNO.
19552 (movdf_1): Likewise.
19553 (movxf_1): Likewise.
19554 (extendsfdf2): Likewise.
19555 (extendsfxf2): Likewise.
19556 (extenddfxf2): Likewise.
19558 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19560 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19561 constants into memory.
19562 (c4x_shiftable_constant): New function.
19563 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19564 (c4x_shiftable_constant): Declare.
19565 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19566 ashlqi3_noclobber): Add new patterns and associated splitters.
19568 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19570 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19571 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19572 * final.c (shorten_branches): Likewise.
19573 * global.c (global_alloc): Likewise.
19574 * haifa-sched.c (build_control_flow): Likewise.
19575 * stmt.c (check_for_full_enumeration_handling): Likewise.
19576 (estimate_case_costs): Likewise.
19578 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19580 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19582 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19584 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19585 (recompute_reg_usage): Likewise.
19586 * rtlanal.c (find_regno_fusage): Likewise.
19588 * rtl.c (rtl_check_failed_code1): New function.
19589 (rtl_check_failed_code2): New.
19590 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19591 (RTL_CHECKC1, RTL_CHECKC2): New.
19592 (XC*): New accessor macros.
19593 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19594 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19595 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19596 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19597 (TRAP_*, RANGE_INFO_*): Likewise.
19599 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19601 * Makefile.in (tlink.o): Don't depend on toplev.h.
19603 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19604 output_file, nm_file_name, ldd_file_name, strip_file_name,
19605 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19606 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19607 fork_execute, maybe_unlink, add_to_list,
19608 extract_init_priority, write_list, dump_list,
19609 dump_prefix_list, write_list_with_asm, write_c_file,
19610 write_c_file_stat, write_c_file_glob, scan_prog_file,
19611 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19612 ignore_library, extract_string, notice, dump_file, target_machine,
19613 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19614 read_file, print_load_command): Constify a char*.
19615 (fdopen, error, fatal, fatal_perror): Don't prototype.
19616 (my_strerror): Remove. All callers use xstrerror instead.
19617 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19618 (main): Add prototype. Constify lots of char* ptrs. Change calls
19619 to xcalloc/strcpy/strcat/... to one call to concat.
19620 (main, scan_prog_file, scan_libraries): Use an intermediate
19621 `const char **' to build an argv array.
19622 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19624 * collect2.h (collect_execute, collect_wait, dump_file,
19625 file_exists): Constify a char*.
19626 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19627 temporary_firstobj, vflag, debug): Add extern declarations.
19628 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19630 * tlink.c: Don't include toplev.h.
19631 (vflag, debug, ldout, c_file_name, temporary_obstack,
19632 permanent_obstack, temporary_firstobj): Don't declare.
19633 (tlink_execute, frob_extension, symbol_hash_lookup,
19634 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19635 recompile_files, read_repo_files, demangle_new_symbols,
19636 scan_linker_output): Constify a char*.
19637 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19638 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19640 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19642 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19643 (relative) rather than jsr (absolute) subroutine call insns.
19644 * config/m68k/m68k-coff.h: Ditto.
19646 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19648 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19649 now rework these too.
19650 (arm_reorg): If an insn can't reach the end of the current pool,
19651 ensure that we emit that pool before the insn.
19653 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19655 * tlink.c (scan_linker_output): Skip the initial underscore in
19656 a mangled name if appropriate.
19658 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19660 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19661 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19662 error_with_ivar, gen_declarator, create_builtin_decl,
19663 my_build_string, generate_descriptor_table, generate_ivars_list,
19664 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19665 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19666 dump_base_name, lang_decode_option, build_encode_expr,
19667 start_class, finish_class, encode_pointer, really_start_method,
19668 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19670 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19671 Add static prototypes.
19672 (build_objc_string_decl, build_selector_reference_decl,
19673 encode_bitfield, build_class_reference_decl): Remove unused
19674 parameter, all callers changed.
19675 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19676 (objc_printable_name): Likewise. Change second parameter to type int.
19677 (init_objc): Use memcpy, not bcopy, to avoid casts.
19679 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19681 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19682 reg notes on a deleted insn.
19683 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19685 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19687 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19689 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19691 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19694 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19696 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19697 * tm.texi (MD_ASM_CLOBBERS): Document it.
19699 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19701 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19702 * except.c (expand_rethrow): Remove unused variable.
19703 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19704 * flow.c (replace_insns): Likewise.
19705 (create_edge_list, verify_edge_list): Likewise.
19706 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19708 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19709 is special code to run.
19710 (main): Don't define operands to emit_operand.
19711 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19713 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19715 * alpha/alpha.h (normal_memory_operand): Declare.
19716 (reg_no_subreg_operand): Declare.
19717 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19719 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19721 * c-parse.in (compstmt_primary_start): New, broken out of first
19722 part of compstmt handling in primary.
19723 (primary): Use it. Add an error clause.
19724 (compstmt_nostart): Renamed from compstmt; remove all
19725 initial invocations of compstmt_start.
19728 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19730 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19733 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19735 * combine.c (simplify_shift_const): Remove extra semicolon.
19736 * dwarf2out.c (remove_AT): Likewise.
19737 * expmed.c (expand_mult): Likewise.
19738 * gcov.c (create_program_flow_graph): Likewise.
19739 * reorg.c (mostly_true_jump): Likewise.
19741 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19743 * fold-const.c (fold_range_test): Do not try to fold the range
19744 test if the rhs or lhs has side effects.
19746 * combine.c (simplify_rtx): Recognize another case of a synthesized
19749 * varasm.c (mark_constant_pool): When marking indirect references,
19750 only look at SYMBOL_REFs.
19752 * except.c (expand_fixup_region_end): Do not peek at
19753 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19755 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19757 * flags.h: New variables align_loops, align_loops_log,
19758 align_jumps, align_jumps_log, align_labels, align_labels_log,
19759 align_functions, align_functions_log.
19760 * toplev.c: Define them.
19761 (f_options): Handle -falign-* when they have no argument.
19762 (main): Add logic to set variables for -falign-functions,
19763 -falign-jumps, -falign-labels, -falign-loops.
19764 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19765 (display_help): Change help to match options.
19766 * final.c (LABEL_ALIGN): Default to align_labels_log.
19767 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19768 (LOOP_ALIGN): Default to align_loops_log.
19769 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19770 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19771 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19772 * varasm.c (assemble_start_function): Handle align_functions.
19774 * config/sparc/sparc.h: Don't declare sparc_align_*.
19775 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19776 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19778 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19780 * config/sparc/sparc.c: Delete sparc_align_loops,
19781 sparc_align_jumps, sparc_align_funcs and the corresponding string
19783 (sparc_override_options): Default align_functions on ultrasparc.
19784 Delete -malign-* handling.
19786 * config/mips/mips.c (override_options): On 64-bit targets,
19787 try to align code to 64-bit boundaries.
19788 (print_operand): New substitution, %~,
19789 which aligns labels to align_labels_log.
19790 * config/mips/mips.md (div_trap_normal): Use %~.
19791 (div_trap_mips16): Likewise.
19793 (absdi2): Likewise.
19794 (ffssi2): Likewise.
19795 (ffsdi2): Likewise.
19796 (ashldi3_internal): Likewise.
19797 (ashrdi3_internal): Likewise.
19798 (lshrdi3_internal): Likewise.
19799 (casesi_internal): Likewise.
19801 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19803 Merge new ia32 backend from the branch!
19805 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19806 See ChangeLog.P2 on new_ia32_branch for details.
19808 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19809 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19810 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19811 * i386/gas.h (ASM_FILE_START): Define.
19812 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19813 for name change of ix86_valid_decl_attribute_p.
19814 (i386_pe_valid_type_attribute_p): Similarly.
19816 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19818 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19819 to step through CC modes.
19821 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19823 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19824 it would end up in the shadow of a live flags regsiter.
19826 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19828 * reload1.c: Fix many indentation problems.
19829 * reload.c: Likewise.
19831 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19833 * alias.c (non_local_reference_p): Constify fmt.
19835 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19837 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19839 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19841 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19842 the internal_arg_pointer.
19844 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19846 Merge peephole2 from new_ia32_branch:
19847 * Makefile.in (STAGESTUFF): Add *.peephole2.
19848 (mostlyclean): Likewise.
19849 (recog.o): Depend on resource.h.
19851 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19852 (final_scan_insn): Likewise for the invocation of peephole.
19853 * genconfig.c (main): Look for peephole and peephole2 patterns.
19854 Emit HAVE_peephole* accordingly.
19855 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19856 * flags.h (flag_peephole2): Declare.
19857 * toplev.c: New pass peephole2. New flag -fpeephole2.
19859 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19860 * gencodes.c (main): Likewise.
19861 * genextract.c (main): Likewise.
19862 * genoutput.c (main): Likewise.
19863 * genemit.c (max_operand_1): Look for the max scratch operand.
19864 (gen_rtx_scratch): New.
19865 (gen_exp): Use it, and pass on new arg subroutine_type.
19866 (gen_expand): Take max scratch into account.
19867 (gen_split): Emit peephole2 functions.
19868 (output_peephole2_scratch): New.
19869 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19870 * genrecog.c (routine_type): Add PEEPHOLE2.
19872 (make_insn_sequence): Match outer parallel for peep2. Discard
19873 top level scratches and dups.
19874 (add_to_sequence): New args insn_type and top. Update all callers.
19875 Handle toplevel peep2 matching insns.
19876 (write_subroutine): Handle peep2.
19877 (write_tree_1): Likewise.
19878 (write_tree): Likewise.
19880 (change_state): New arg afterward. Update all callers.
19881 Handle matching separate insns.
19882 * recog.c (recog_next_insn): New.
19883 (peephole2_optimize): New.
19884 * rtl.def (DEFINE_PEEPHOLE2): New.
19885 * resource.c (find_free_register): New argument last_insn. Use it
19886 to find a register available through the entire span.
19887 * resource.h (find_free_register): Update prototype.
19889 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19891 * i386.c (output_strlen_unroll): Don't write xops[7]
19892 label if it wasn't set.
19894 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19896 * cpplib.c (struct directive): Const-ify name pointer and
19897 function pointer prototype.
19898 (validate_else, do_define, do_line, do_include, do_undef,
19899 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19900 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19901 do_warning): Const-ify second arg.
19902 (directive_table): Mark const. Reorder entries by frequency
19903 of usage, record statistics.
19905 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19907 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19908 bounds- check RTL accesses if --enable-checking.
19909 (RTVEC_ELT): Bounds check if --enable-checking.
19910 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19911 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19912 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19914 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19915 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19917 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19918 (NOTE_SOURCE_FILE): Use X0STR.
19919 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19920 MEM_ALIAS_SET): Use X0INT.
19921 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19922 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19924 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19925 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19926 (rtl_check_failed_bounds, rtl_check_failed_type1,
19927 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19929 (fancy_abort): Fix comment.
19931 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19932 (cse_insn): Decrement LABEL_NUSES for jump target before
19933 deleting jump insn.
19934 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19935 * final.c (alter_subreg): Compute regno before changing x to
19936 REG; set REGNO(x) after changing it.
19937 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19938 notes containing CONST_INTs.
19939 (delete_eh_regions): Use NOTE_EH_HANDLER.
19940 * function.c (put_reg_into_stack): Make reg a MEM before
19942 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19944 (gen_mem_addressof): Make reg a MEM before initializing it.
19945 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19947 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19948 deleting an insn, not after.
19949 (block_alloc): Only look at PATTERN(insn) if we have to, and
19950 only if it's format class 'i'.
19951 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19952 CONST_INT before using its INTVAL.
19953 * print-rtl.c (print_rtx): Use X0STR.
19954 * regmove.c (fixup_match_1): Don't look at PATTERN of
19955 non-class-'i' insn chain elements.
19956 * reload.c (loc_mentioned_in_p): Take address of
19957 in->fld[1].rtx directly.
19958 * reload1.c (reload): Change reg to a MEM before initializing
19960 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19962 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19964 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19966 * config/mips/mips.c (machine_dependent_reorg): Force a
19967 barrier to output the local constant pool if a barrier hasn't
19968 been found at a natural point in the instruction stream.
19970 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19972 * c-parse.in (language_string): Constify.
19974 * dwarf2out.c (language_string): Remove declaration.
19976 * dwarfout.c (language_string): Likewise.
19978 * toplev.c (language_string, init_parse, finish_parse): Likewise.
19980 * tree.h (language_string, init_parse, finish_parse): Declare.
19982 * i386/sun386.h (language_string): Remove declaration.
19984 * mips.h (language_string): Likewise.
19986 * nextstep.h (language_string): Likewise.
19988 * nextstep21.h (language_string): Likewise.
19990 * rs6000.c (language_string): Likewise.
19992 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19994 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
19995 (getpwd.o): Remove target.
19997 * getpwd.c: Delete file. Its in libiberty now.
19999 * dbxout.c (getpwd): Don't prototype.
20000 * dwarf2out.c (getpwd): Likewise
20001 * dwarfout.c (getpwd): Likewise
20002 * final.c (getpwd): Likewise.
20003 * protoize.c (getpwd): Likewise.
20005 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20007 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
20009 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20011 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
20012 mark_set_resources.
20014 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
20016 * fixinc/Makefile.in (subdir): New.
20017 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
20020 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
20022 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
20023 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
20026 * invoke.texi: Fix typo.
20028 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
20029 changed. Handle autoincrement addressing modes.
20031 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
20032 just like we would the virtual incoming args register when
20035 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
20037 * rs6000.h (ASM_FILE_START): Specify complete filename, including
20038 path, in .file directive.
20040 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
20042 * gcc.texi (External Bugs): Remove obsolete note about Perl on
20045 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
20047 * stdbool.h: Make the typedef name _Bool, with bool a #defined
20050 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20052 * tree.c (tree_code_name): Constify a char*.
20054 * tree.h (tree_code_name, decl_printable_name): Likewise.
20056 * function.h (struct function): Likewise.
20058 * toplev.c (decl_name, decl_printable_name): Likewise.
20060 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
20062 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
20063 (init_objc): Remove function pointer cast.
20065 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20067 * pa.md (interspace_jump): New pattern.
20068 (builtin_longjmp): New expander.
20070 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
20072 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
20073 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
20074 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
20076 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
20078 * jump.c (delete_prior_computation): Also check calls
20079 to constant functions. Don't bother checking for a
20080 REG_UNUSED note before adding it.
20081 (delete_computation): Handle multi-word hard registers
20082 when synthesizing missing REG_DEAD notes for a register
20083 which is both set and used by an insn.
20085 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20087 * loop.c (this_loop_info): New variable.
20088 (loop_has_call, loop_has_volatile, loop_has_tablejump,
20089 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
20091 (prescan_loop, strength_reduce): New argument loop_info. All callers
20093 (scan_loop): New variable loop_info, initialise to address of
20095 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
20096 Delete variable loop_has_multiple_exit targets and replace with
20097 field in this_loop_info.
20098 (find_and_verify_loops): Rename this_loop to this_loop_num.
20099 (strength_reduce): Delete loop_iteration_info. Replace variable
20100 loop_info with function argument of same name.
20101 (insert_bct): Rework test for loop being completely unrolled.
20103 * loop.h (struct loop_info): New fields num, loops_enclosed,
20104 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
20105 has_indirect_jump, and cont. Redefine use of unroll_number.
20106 (loop_unroll_number): Delete.
20108 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
20109 field of loop_info.
20110 (loop_iterations): Delete variable vtop and instead use
20111 loop_info->vtop computed in prescan_loop.
20113 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
20115 * fix-header.c (main): Do not pass a null pointer to strcmp.
20117 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
20119 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
20121 * configure: Rebuilt.
20123 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
20125 * jump.c (jump_optimize_1): Do not delete assignments to
20126 internal_arg_pointer.
20127 * cse.c (delete_trivially_dead_insns): Always consider a set of
20128 the internal_arg_pointer live.
20130 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
20132 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
20133 (update_life_info) [REG_WAS_0]: Search the original insns rather
20134 than the new insns for the note. Fix typos finding note_dest.
20135 If no dest found, discard the note rather than abort.
20136 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
20137 (replace_insns): Remove the old insn list after update_life_info
20140 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
20142 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
20143 sched_analyze_insn.
20144 (sched_analyze_1): Let add_dependence care for not adding dups.
20145 (sched_analyze_2): Likewise.
20146 (add_branch_dependences): Likewise.
20148 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
20150 * i386/winnt.c (export_list): New type.
20151 (exports_head): Rename to
20152 (export_head): this.
20153 (i386_pe_record_exported_symbol): Add is_data flag.
20154 (i386_pe_asm_file_end): Emit directive for exported variables.
20155 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
20157 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
20158 (ASM_DECLARE_OBJECT_NAME): Likewise.
20159 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20160 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
20162 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
20164 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
20166 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
20169 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
20171 * config/openbsd.h: Define SET_ASM_OP.
20172 * tm.texi: cross-reference SET_ASM_OP in the index.
20174 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
20176 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
20177 for a CONST_DOUBLE, at compile time. Initialize rtx_length
20178 and class_narrowest_mode at compile time. Kill init_rtl.
20179 Mark rtx_length, mode_class, mode_size, mode_unit_size,
20180 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
20181 rtx_format as const. Kill all references to EXTRA_CC_MODES or
20183 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
20185 * rtl.h: Declare rtx_length and rtx_format as const.
20186 * machmode.def: Define CC(). Use CC() to define CCmode. If
20187 EXTRA_CC_MODES is defined, expand it here.
20188 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
20189 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
20190 const. Kill all references to EXTRA_CC_MODES.
20192 * toplev.c: Don't prototype or call init_rtl.
20193 * optabs.c: Don't call init_mov_optab.
20194 * genemit.c: Don't generate init_mov_optab. Don't call
20196 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
20198 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
20199 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
20200 genrecog.c: Don't call init_rtl.
20202 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
20203 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
20204 definition of EXTRA_CC_MODES.
20206 * md.texi: Kill ref to EXTRA_CC_NAMES.
20207 * tm.texi: Document new way to define EXTRA_CC_MODES.
20209 * genrecog.c: Do not look up the name of a define_split.
20210 (Unrelated bugfix.)
20212 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
20214 * config/v850/v850.md: Fix typo introduced by previous delta.
20216 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20218 * gcc.c (fatal): Make definition static to match prototype.
20220 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20222 * combine.c (get_last_value): Don't look for earlier sets if the last
20223 known set is somewhere in between the insns being combined.
20225 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
20227 * configure.in: Don't use shell ! to negate exit codes
20228 * configure: Regenerate
20230 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
20232 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
20233 the fact that ALIGN is measured in bits, not bytes.
20235 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
20237 * errors.c: New file; defines functions error, warning, and
20238 fatal, variables have_error and progname.
20239 * errors.h: New file; prototypes and decls for stuff in errors.c.
20241 * Makefile: Add rules to build errors.o and
20242 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
20243 genopinit, genrecog, genextract, genpeep, genattr, and
20244 genoutput with errors.o. Add errors.h to deps of genconfig.o,
20245 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
20246 genpeep.o, genattr.o, and genoutput.o.
20248 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20249 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20250 define or prototype fatal. Set progname at beginning of main.
20251 * genoutput.c: Likewise, and don't define or prototype error
20254 * c-typeck.c (c_expand_start_case): Return immediately if exp
20256 * fold-const.c (operand_equal_p): Return immediately if arg1
20257 or arg0 are ERROR_MARKs.
20258 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20259 fields of type ERROR_MARK when calculating if the record can
20262 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20263 with much help from Jeffrey A Law and Richard Henderson
20265 * i386.md: In the 6 insns which call output_fix_trunc,
20266 earlyclobber operands[0].
20268 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20270 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20271 creating new registers.
20273 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20275 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20276 i386_reg_alloc_order, i386_regparm_string,
20277 i386_align_loops_string, i386_align_jumps_string,
20278 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20279 and i386_branch_cost_string as type "const char *".
20280 * i386.c: Define all above strings as type "const char *".
20282 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20284 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20285 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20287 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20289 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20290 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20292 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20294 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20295 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20296 (dwarf2out_line, dwarf2out_finish): Likewise.
20297 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20299 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20301 * tree.c (lang_unsave_expr_now) : Correct return type.
20302 * tree.h (lang_unsave_expr_now) : Same.
20304 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20306 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20307 instead of duplicating code.
20309 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20311 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20313 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20315 * tree.h: fancy_abort always takes three args.
20316 * resource.c: Move include of system.h before toplev.h.
20318 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20320 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20323 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20325 * system.h: Don't redefine abort or trim_filename.
20326 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20327 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20328 whether or not __FUNCTION__ is available.
20329 * tree.h: Duplicate rtl.h's definition of abort, for files
20330 that don't include rtl.h. Delete all code to perform type
20331 checking with a compiler other than GCC.
20332 * varray.h: Delete all code to perform type checking with a
20333 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20334 its arguments exactly once, using a statement expression.
20335 Adjust the VARRAY_<type> accessor macros to match.
20336 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20337 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20338 caller's location. Define fatal_insn and fatal_insn_not_found
20339 as macros that use _fatal_insn and _fatal_insn_not_found.
20340 (fancy_abort, trim_filename): Kill prototypes.
20342 * rtl.c (trim_filename): Move here from toplev.c.
20343 (fancy_abort): New function.
20344 (DIR_SEPARATOR): Provide default definition.
20345 * tree.c (tree_check_failed, tree_class_check_failed): Go
20346 through fancy_abort.
20347 (tree_check, tree_class_check, cst_or_constructor_check,
20348 expr_check): Delete.
20349 * varray.c (varray_check_failed): New function.
20350 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20351 _fatal_insn and _fatal_insn_not_found. Go through
20353 (trim_filename, fancy_abort): Delete.
20355 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20356 * except.c (start_catch_handler): Report ICE with error/abort
20358 * final.c (output_operand_lossage): Likewise.
20359 * flow.c (verify_flow_info): Likewise.
20361 * gcc.c: Prototype fatal.
20362 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20363 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20364 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20365 Don't define fancy_abort.
20367 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20369 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20372 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20374 * m88k.h (VERSION_INFO2): Kill.
20375 (VERSION_STRING): Kill.
20377 (VERSION_INFO1): Tidy.
20378 (TARGET_VERSION): Update.
20379 * m88k/dgux.h (VERSION_INFO2): Kill.
20380 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20381 * m88k/luna.h (VERSION_INFO1): Tidy.
20382 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20383 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20384 (output_file_start): Adjust for death of VERSION_STRING.
20386 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20388 * cpplib.c (detect_if_not_defined): New function.
20389 (do_if): Use it to detect potential once-only headers.
20391 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20393 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20395 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20397 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20398 anywere in the function only if they are pseudos and set before
20399 being used (not live at the start of the function).
20400 (num_sign_bit_copies) : Same.
20401 (get_last_value_validate) : Same.
20402 (get_last_value) : Same.
20404 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20406 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20407 where N and M are constant and N is an integer multiple of M.
20409 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20411 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20412 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20413 sbitmap_union_of_preds): Add prototypes.
20414 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20415 the intersection of successors with the new flow graph structures.
20416 (sbitmap_intersection_of_preds): New function to compute the
20417 intersection of predecessors with the new flow graph structures.
20418 (sbitmap_union_of_succs): New function to compute the union of
20419 successors with the new flow graph structures.
20420 (sbitmap_union_of_preds): New function to compute the union of
20421 predecessors with the new flow graph structures.
20422 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20423 (expr_reaches_here_p): Use edge and basic_block structures instead
20424 of s_preds and s_succs.
20425 (compute_cprop_avinout): Use new sbitmap routines.
20426 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20427 of s_preds and s_succs.
20428 * flow.c (compute_flow_dominators): Compute dominators using
20429 edges and basic blocks instead of s_preds and s_succs.
20431 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20433 * lists.c (unused_insn_list, unused_expr_list): New file for
20434 maintaining various types of lists. New statics for maintaining a
20435 cache of available INSN_LIST and EXPR_LIST nodes.
20436 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20437 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20438 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20439 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20440 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20441 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20442 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20443 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20444 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20445 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20446 (remove_dependence, free_pending_lists): Use new global routines.
20447 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20448 (sched_analyze, compute_block_backward_dependences): Use new routines.
20449 (sched_analyze_1, sched_analyze_2): Use new routines.
20450 (schedule_insns): Use new global routines.
20451 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20453 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20454 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20456 * toplev.c (rest_of_compilation): Initialize node cache.
20457 * Makefile.in (OBJS): Add lists.o to list of object files.
20458 (lists.o): Add dependancies.
20460 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20462 * config/v850/v850.md: Fix compile time warning messages.
20463 * config/v850/v850.c: Fix compile time warning messages.
20464 * config/v850/v850.h: Fix compile time warning messages.
20466 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20468 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20469 Remove unused prototype for `init_lengths'.
20471 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20473 * calls.c (emit_call_1): Mark parameter `stack_size' with
20475 (expand_call): Initialize variable `insn'.
20476 (emit_library_call): Likewise for variable `high_to_save'.
20477 (emit_library_call_value): Likewise.
20478 (store_one_arg): Likewise for variables `lower_bound' and
20481 * combine.c (try_combine): Likewise for variables `i2_code_number'
20482 and `other_code_number'.
20483 (find_split_point): Likewise for variables `pos', `unsignedp' and
20485 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20486 (simplify_and_const_int): Remove unused variable `width'.
20487 (merge_outer_ops): Likewise.
20489 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20490 HOST_WIDE_INT' when comparing against one.
20491 (simplify_relational_operation): Likewise.
20492 (cse_insn): Initialize variables `src_eqv_volatile',
20493 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20495 * final.c (init_final): Constify parameter `filename'.
20496 (final_start_function): Mark parameter `optimize' with
20498 (profile_function): Likewise for parameters `first' and `optimize'.
20499 (output_source_line): Likewise for parameter `file'.
20501 * integrate.c (subst_constants): Cast a value to `size_t' when
20502 comparing against one.
20503 (mark_stores): Initialize variable `mode'. Cast a value to
20504 `size_t' when comparing against one.
20506 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20508 * loop.c (move_movables): Initialize variable `first'.
20509 (strength_reduce): Likewise for variable `increment'.
20510 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20511 value to `size_t' when comparing against one.
20512 (load_mems): Initialize variable `end_label'.
20514 * output.h (init_final): Constify parameter.
20516 * reload.c (decompose): Initialize variable `base'.
20518 * reload1.c (reload): Likewise for variable `is_scalar'.
20519 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20520 (choose_reload_regs): Initialize variable `mode'.
20521 (emit_reload_insns): Likewise for variable `store_insn'.
20522 (reload_cse_noop_set_p): Mark parameter `insn' with
20524 (reload_combine): Initialize variable `set'.
20526 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20527 (copy_loop_body): Cast a value to `size_t' when comparing against
20530 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20531 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20532 (remove_from_pending_weak_list): Mark parameter `name' with
20535 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20537 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20540 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20542 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20543 (ASM_DECLARE_FUNCTION_NAME): Define.
20544 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20545 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20546 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20547 not already defined.
20549 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20551 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20552 of n_popped when call/call_value are not defined.
20554 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20556 * tm.texi: GNU CC -> GCC conversion.
20557 (CC1_SPEC): Indicate it is used for all language front ends.
20559 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20561 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20562 NOTE_INSN_EH_REGION_END correctly.
20564 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20565 Jeff Law <law@cygnus.com>
20567 * loop.c (strength_reduce): Automatically unroll loops if the
20568 unrolled loop size is smaller than the rolled loop size.
20570 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20571 and delete comment that code should be rewritten.
20573 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20575 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20578 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20580 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20582 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20583 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20584 (LINK_SPEC): Add -u _main when building executables.
20585 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20586 (ASM_FILE_END): Use the default for ix86-pe.
20587 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20589 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20591 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20592 and ASM_CLOSE_PAREN are empty strings.
20594 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20595 Geoffrey Keating <geoffk@cygnus.com>
20597 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20598 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20599 (unprotoize.o): Ditto.
20600 (test-protoize-simple): Don't define STD_PROTO_DIR.
20601 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20602 changes to make 'test-protoize-simple' pass.
20603 (STD_PROTO_DIR): Remove define.
20604 (STANDARD_EXEC_PREFIX): Supply default define.
20605 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20606 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20607 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20608 (GET_ENV_PATH_LIST): New macro.
20609 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20610 (do_processing): Initialize default_syscalls_dir using new
20611 macros. Use it to initialize syscalls_absolute_filename.
20613 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20615 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20616 B into a register before emit_conditional_move.
20618 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20620 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20621 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20622 multiplicand out of (+ (* a b) (* c d)).
20624 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20625 Richard Henderson <rth@cygnus.com>
20627 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20628 (new_insn_dead_notes): Likewise.
20629 (update_n_sets): Likewise.
20630 (update_flow_info): Move to flow.c, renamed to update_life_info;
20631 extend to handle multiple source insns.
20632 * flow.c: Include resource.h
20633 (unlink_insn_chain): New.
20634 (split_hard_reg_notes): New.
20635 (maybe_add_dead_note): New.
20636 (maybe_add_dead_note_use): New.
20637 (find_insn_with_note): New.
20638 (new_insn_dead_notes): New.
20639 (update_n_sets): New.
20640 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20641 (maybe_remove_dead_notes): New.
20642 (update_life_info): New.
20643 (prepend_reg_notes): New.
20644 (replace_insns): New.
20645 * output.h (update_life_info): Declare.
20646 * recog.c (split_block_insns): Use update_life_info.
20647 * resource.c (find_free_register): Use reg_alloc_order, don't use
20648 fixed regs, make sure the mode is supported, don't use new regs.
20650 * rtl.h (replace_insns): Declare.
20652 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20654 * expr.c (expand_expr): Cope with COND_EXPRs with one
20655 non-returning branch.
20657 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20659 * expr.c (store_expr): Always pass down the target, even when not
20662 1999-08-24 Nick Clifton <nickc@cygnus.com>
20664 * configure.in: Define target_cpu_default for v850 targets.
20665 * configure: Regenerate
20667 * config/v850/v850.h (TARGET_CPU_generic): Define.
20668 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20669 addresses are 4 byte aligned.
20671 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20674 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20676 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20677 (main): Add prototypes.
20679 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20680 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20681 (write_attr_get): Emit prototypes along with function definition.
20682 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20683 (write_complex_function): Emit static prototype along with
20684 function definition.
20686 * genemit.c (gen_split): Emit prototypes along with function
20689 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20690 Likewise for predicates and `insn_operand_predicate'.
20691 (process_template): Emit static prototype along with function
20694 * genrecog.c (make_insn_sequence): Constify a char*. Add
20695 prototypes for get_split_*().
20696 (write_subroutine): Emit prototypes along with function
20699 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20701 * gcse.c (find_avail_set): Follow chains of register-register copies.
20702 Use oprs_not_set_p to guarantee that the returned value can be
20704 (cprop_insn): Don't verify the return value of find_avail_set with
20707 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20708 (cprop_cc0_jump): New function.
20709 (cprop_insn): Break out new function cprop_jump and use it.
20710 Also use cprop_cc0_jump for machines with CC0.
20711 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20713 * tree.h (current_function_calls_setjmp,
20714 current_function_calls_longjmp): Delete declarations.
20715 * dsp16xx.c: Include "function.h".
20716 * elxsi.c: Likewise.
20717 * gmicro.c: Likewise.
20718 * h8300.c: Likewise.
20719 * i370.c: Likewise.
20720 * m32r.c: Likewise.
20721 * mn10200.c: Likewise.
20722 * mn10300.c: Likewise.
20723 * ns32k.c: Likewise.
20724 * spur.c: Likewise.
20725 * v850.c: Likewise.
20727 * rtl.h (rtx_equal_function_value_matters): Declare.
20728 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20730 * function.c: Likewise.
20731 * emit-rtl.c: Likewise.
20733 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20735 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20738 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20740 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20743 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20745 * cpp.texi: Add a node documenting macro varargs (copied
20748 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20750 * cppspec.c: Put a null pointer at the end of the new argv.
20752 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20754 * configure.in: Remove code to select/de-select the haifa
20755 scheduler. Every scheduled port gets haifa now.
20756 * configure: Rebuilt.
20757 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20759 * Makefile.in: Corresponding changes.
20761 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20763 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20764 All callers changed.
20765 (prepare_float_lib_cmp): Likewise.
20766 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20767 * expr.h (emit_float_lib_cmp): Delete declaration.
20768 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20769 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20770 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20772 (cmptf): Now conditional on TARGET_HARD_QUAD.
20774 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20776 * resource.c (mark_target_live_regs): Use
20777 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20779 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20781 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20783 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20785 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20787 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20789 * rtl.h (rtx_format): Constify a char*.
20791 * rtl.c (rtx_format): Likewise.
20792 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20793 (init_rtl): Use accessor macro, not `rtx_format'.
20795 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20798 * caller-save.c (mark_referenced_regs): Likewise.
20800 * combine.c (subst, make_compound_operation, known_cond,
20801 gen_rtx_combine, update_table_tick, get_last_value_validate,
20802 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20804 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20805 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20806 count_reg_usage): Likewise.
20808 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20811 * final.c (leaf_renumber_regs_insn): Likewise.
20813 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20814 dump_edge_info, count_reg_references): Likewise.
20816 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20817 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20820 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20821 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20822 add_label_notes): Likewise.
20824 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20825 clear_struct_flag, count_sub_rtxs, count_alternatives,
20826 compares_alternatives_p, contained_in_p, walk_attr_value,
20827 write_expr_attr_cache): Likewise.
20829 * genconfig.c (walk_insn_part): Likewise.
20831 * genemit.c (max_operand_1, gen_exp): Likewise.
20833 * genextract.c (walk_rtx): Likewise.
20835 * genflags.c (num_operands): Likewise.
20837 * genoutput.c (scan_operands): Likewise.
20839 * genpeep.c (match_rtx): Likewise.
20841 * genrecog.c (add_to_sequence): Likewise.
20843 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20846 * integrate.c (save_constants, copy_for_inline,
20847 copy_rtx_and_substitute, subst_constants, restore_constants):
20850 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20851 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20853 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20856 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20857 add_label_notes, replace_call_address, count_nonfixed_reads,
20858 invariant_p, find_single_use_in_loop, find_mem_givs,
20859 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20862 * print-rtl.c (reg_names, print_rtx): Likewise.
20864 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20866 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20867 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20868 print_blocks): Likewise.
20870 * regclass.c (fix_register, record_address_regs,
20871 reg_scan_mark_refs): Likewise.
20873 * regmove.c (stable_but_for_p): Likewise.
20875 * reload.c (loc_mentioned_in_p, operands_match_p,
20876 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20877 copy_replacements, refers_to_regno_for_reload_p,
20878 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20879 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20882 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20883 delete_address_reloads_1, count_occurrences,
20884 reload_cse_mem_conflict_p, reload_combine_note_use,
20885 add_auto_inc_notes): Likewise.
20887 * resource.c (mark_referenced_resources, mark_set_resources):
20890 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20891 reg_mentioned_p, regs_set_between_p, modified_between_p,
20892 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20893 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20894 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20895 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20897 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20899 * stupid.c (stupid_mark_refs): Likewise.
20901 * unroll.c (remap_split_bivs): Likewise.
20903 * varasm.c (mark_constants): Likewise.
20905 * a29k/a29k.c (uses_local_reg_p): Likewise.
20907 * alpha/alpha.c (summarize_insn): Likewise.
20909 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20910 eliminate_lr2ip): Likewise.
20912 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20914 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20915 reg_mentioned_in_mem): Likewise.
20917 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20918 symbolic_reference_mentioned_p): Likewise.
20920 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20922 * sh/sh.c (regs_used, mark_use): Likewise.
20924 * vax/vax.c (vax_rtx_cost): Likewise.
20926 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20928 * machmode.h (mode_name): Constify a char*.
20930 * rtl.c (mode_name): Likewise.
20932 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20934 * optabs.c (init_libfuncs): Constify a char*.
20936 * print-tree.c (mode_name): Remove redundant declaration.
20937 (print_node): Use accessor macro, not `mode_name'.
20939 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20941 (new_spill_reg): Constify a char*.
20943 * tree.c (mode_name): Remove redundant declaration.
20945 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20947 * rtl.c (rtx_name): Constify a char*.
20949 * rtl.h (rtx_name, fix_sched_param): Likewise.
20951 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20952 (mypr): Use accessor macro, not `rtx_name'.
20954 * genemit.c (print_code): Constify a char*.
20956 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20958 * genpeep.c (print_code): Constify a char*.
20960 * genrecog.c (print_code): Likewise.
20962 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20963 end_bb): Add static prototype.
20964 (draw_edge): Constify a char*.
20965 (end_bb): Remove unused parameter.
20967 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
20968 print_block_visualization): Constify a char*.
20970 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
20972 * c-common.c (c_get_alias_set): Update comment.
20974 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20976 * linux.h (LIB_SPEC): Added.
20978 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20980 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
20982 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
20984 * tree.c (expr_check): Fix typo in last change.
20986 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
20988 * rtl.def (NOTE): Change format to "iuu0n".
20989 (ADDR_DIFF_VEC): Change format to "eEee0".
20990 (ADDRESSOF): Change format to "eit".
20992 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
20993 (RTVEC_ELT): Change to match.
20994 (XVECEXP): Use XVEC and RTVEC_ELT.
20995 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
20996 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
20997 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
20998 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
20999 TRAP_CONDITION, TRAP_CODE): Use XEXP.
21000 (INTVAL): Use XWINT.
21001 (ADDRESSOF_DECL): Use XTREE.
21002 (SET_ADDRESSOF_DECL): Delete.
21003 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
21004 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
21005 ifdefed out since 2.6 at least.
21006 (gen_rtvec_vv): Delete prototype.
21008 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
21010 (copy_most_rtx): Handle 't' format letter.
21011 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
21012 (gen_rtvec_vv): Delete function. All callers changed to use
21013 gen_rtvec_v instead.
21014 * print-rtl.c (print_rtx): Move special casing of NOTEs to
21015 the '0' format letter.
21017 * function.c (gen_mem_addressof): Don't use
21018 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
21020 * integrate.c (copy_rtx_and_substitute): Likewise.
21021 Copy 't' slots with XTREE.
21022 (subst_constants): Treat 't' slots like '[swi]' slots.
21023 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
21024 * jump.c (rtx_equal_for_thread_p): Likewise.
21025 * rtlanal.c (rtx_equal_p): Likewise.
21026 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
21027 only four arguments.
21028 * gengenrtl.c (type_from_format): Provide correct types for
21032 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
21033 If a recent gcc is in use (always in stage2 and beyond), use
21034 statement expressions, so we don't make a function call unless
21035 the check fails. Evaluate arguments exactly once.
21036 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
21037 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
21039 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
21040 they evaluate their arguments exactly once, irrespective of
21041 the compiler in use.
21043 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
21044 is used by the currently-enabled check macros. This is:
21045 (tree_check_failed, tree_class_check_failed): For gcc.
21046 (tree_check, tree_class_check, cst_or_constructor_check,
21047 expr_check): For other compilers.
21049 * gencheck.c: Do not define any *_CHECK1 macros.
21051 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
21052 Mark Mitchell <mark@codesourcery.com>
21054 * c-common.c (c_get_alias_set): Fix support for poitners and
21057 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
21059 * alias.c: Include tree.h.
21060 (nonlocal_reference_p, mark_constant_function): New functions.
21061 * flow.c (life_analysis): Call mark_constant_function.
21062 * rtl.h (mark_constant_function): Declare it.
21064 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
21066 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
21067 unrecognisable switches.
21069 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21071 * loop.c (recombine_givs): Set ix field after sorting.
21072 (recombine_givs): Remove bogus index / giv lockstep looping.
21074 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21076 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
21078 (emit_store_flag_force): Use do_compare_rtx_and_jump.
21079 (do_cmp_and_jump): Formatting fixes.
21080 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
21081 do_compare_rtx_and_jump instead of compare_from_rtx.
21082 (do_compare_rtx_and_jump): New function; mostly copied from
21084 (do_jump_for_compare): Delete.
21085 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
21087 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
21088 of compare/do_jump_for_compare pairs.
21089 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
21090 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
21091 compare_from_rtx/do_jump_for_compare pairs.
21092 (do_jump_by_parts_equality): Likewise.
21093 (do_jump_by_parts_equality_rtx): Likewise.
21094 * expr.h (do_compare_rtx_and_jump): Declare.
21095 * optabs.c (prepare_cmp_insn): New function, contains most of the code
21096 that used to be in emit_cmp_insn.
21097 (cmp_available_p): New function.
21098 (prepare_operand): New function.
21099 (emit_cmp_and_jump_insn_1): New function, contains some code that used
21100 to be in emit_cmp_insn.
21101 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
21102 parameters to be pointers; don't emit final compare but modify some of
21103 the values pointed to by the args so the caller can perform the
21104 correct comparison.
21105 (expand_binop): Call emit_store_flag_force with signed forms of
21107 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
21108 emit_jump_insn pair.
21109 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
21110 emit_cmp_and_jump_insn_1. Call emit_queue.
21111 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
21113 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
21114 jump sets cc0 before deleting it.
21115 * integrate.c (expand_inline_function): Likewise.
21116 * unroll.c (unroll_loop): Similar changes in several places.
21117 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
21118 before deleting it.
21120 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21122 * Makefile.in (insn-recog.o): Update dependencies.
21123 * genrecog.c (main): Make generated file include "function.h".
21125 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
21127 * cse.c (cse_insn): Call never_reached_warning when a jump is
21128 changed to be unconditional.
21129 * flags.h: Declare warn_notreached.
21130 * flow.c (delete_block): Call never_reached_warning when
21131 a block is deleted.
21132 * jump.c (delete_barrier_successors): Call never_reached_warning
21133 when we delete everything after a BARRIER.
21134 (never_reached_warning): New function.
21135 * rtl.h: Declare never_reached_warning.
21136 * toplev.c (warn_notreached): New variable.
21137 (lang_independent_options): Set warn_notreached
21138 when -Wunreachable-code.
21139 (compile_file): We need line numbers for -Wunreachable-code.
21141 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
21143 * haifa-sched.c (insn_unit): Fix typo on out of range test.
21144 * sched.c (insn_unit): Likewise.
21146 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
21148 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
21150 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21152 * flow.c (create_edge_list): Use xmalloc, not malloc.
21154 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
21156 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
21157 C-style comments. Do not lose the character before double slash.
21159 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21161 * basic-block.h (struct edge_list): Stucture to maintain a vector
21163 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
21164 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
21165 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
21166 New function prototypes.
21167 * flow.c (create_edge_list): Function to create an edge list.
21168 (free_edge_list): Discards memory used by an edge list.
21169 (print_edge_list): Debug output showing an edge list.
21170 (verify_edge_list): Internal consistency check for an edge list.
21171 (find_edge_index): Function to find an edge index for a pred and succ.
21173 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
21175 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
21178 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
21180 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
21182 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
21184 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21186 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
21188 * toplev.c (rest_of_compilation): Allow machine dependent
21189 reorganisation pass to place information into the RTL dump
21190 file if it so wishes.
21192 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
21194 * explow.c (hard_function_value): Use VOIDmode instead of
21196 * stmt.c (expand_return): Likewise.
21197 * stor-layout.c (get_best_mode): Likewise.
21199 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
21200 emit call instead of emit_insn call.
21202 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21204 * configure.in: Handle --disable/enable-win32-registry.
21205 * install.texi: Document --disable/enable-win32-registry.
21206 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
21207 (WIN32_REGISTRY_KEY): New macro.
21208 * prefix.c: Use to enable/disable win32-specific code.
21209 (lookup_key): Use versioned key.
21210 * configure: Regenerate.
21211 * config.in: Likewise.
21213 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
21215 * cpplib.c (read_line_number): New fn, split out of...
21218 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21220 tree.c (lang_unsave_expr_now) : New.
21221 (unsave_expr_now): Call lang_unsave_expr_now.
21222 tree.h (lang_unsave_expr_now) : New.
21224 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
21226 * toplev.c (flag_new_exceptions): On by default.
21228 1999-08-13 Michael Meissner <meissner@cygnus.com>
21230 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
21232 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21234 * dwarfout.c (fundamental_type_code): Return FT_boolean for
21235 INTEGER_TYPE with precision==1, it's __java_boolean.
21237 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21239 * global.c (prune_preferences): Move some invariants out of the
21242 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
21244 * configure.in (alpha*-dec-osf*): Add osf5.
21246 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21248 * configure.in: Rework handling of ARM GNU/Linux slightly.
21249 (arm*-*-linux-gnuoldld): New target.
21250 * configure: Regenerate.
21251 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21252 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21253 * config/arm/linux-oldld.h: New file.
21254 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21255 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21257 * config/arm/linux-elf.h (ASM_SPEC): Define.
21258 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21259 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21260 for 26-bit APCS and old linker.
21261 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21263 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21264 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21265 don't define `arm' or `arm_elf'.
21266 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21267 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21269 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21271 * rtl.texi: Fix typo.
21273 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21275 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21277 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21279 * extend.texi (C++ Signatures): Remove node.
21280 * invoke.texi: Remove discussion of -fhandle-signatures,
21281 signature, sigof, __signature__, and __sigof__.
21283 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21285 * Makefile.in (JAVAGC): Removed.
21287 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21289 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21291 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21293 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21295 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21297 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21298 a register that is already known to be a pointer.
21300 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21302 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21303 * fixinc/inclhack.sh: Regenerated.
21304 * fixinc/fixincl.sh: Regenerated.
21306 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21308 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21309 Fix documentation of -ansi flag to describe its C++ behavior.
21310 Remove bogus reference to GCC 2.9.
21312 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21314 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21315 note if it is non-NULL.
21317 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21319 * except.h (eh_nesting_info): Add new structure defintion.
21320 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21321 (reachable_handlers, update_rethrow_references): Add function
21323 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21324 a rethrow symbol instead of an integer exception region number.
21325 * flow.c (Make_edges): Use new exception nesting routines to determine
21326 which handlers are reachable from a CALL or asynchronous insn.
21327 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21329 (delete_eh_regions): Update rethrow labels, and don't delete
21330 regions which are the target of a rethrow.
21331 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21332 avoid overloading the SYMBOL_REF_USED flag.
21333 (rethrow_symbol_map): Use new rethrow_ref field.
21334 (rethrow_used): Use new rethrow_ref field.
21335 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21336 of an integer. Fix formatting.
21337 (output_exception_table_entry): Use new rethrow_ref field.
21338 (can_throw): Check for EH_REGION_NOTE before deciding
21339 whether a CALL can throw or not.
21340 (scan_region): Call rethrow_used() instead of accessing data structure.
21341 (update_rethrow_references): New function to make sure only regions
21342 which are still targets of a rethrow are flagged as such.
21343 (process_nestinfo): New static function to initialize a handler
21344 list for a specific region.
21345 (init_eh_nesting_info): New function to allocate and initialize
21346 the list of all EH handlers reachable from all regions.
21347 (reachable_handlers): New function to retrieve the list of handlers
21348 reachable from a specific region and insn.
21349 (free_eh_nesting_info): New function to dispose of a list of
21350 reachable handlers.
21352 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21354 * flow.c (split_edge): Set JUMP_LABEL field.
21355 (commit_one_edge_insertion): Set head correctly for insert_before.
21356 When inserting insns, update insn block numbers if allocated.
21358 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21360 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21361 retry_incomplete_types): Add static prototype.
21362 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21363 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21364 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21365 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21366 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21369 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21370 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21372 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21374 * output.h (assemble_name): Constify a char*.
21376 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21377 assemble_variable, assemble_name): Likewise.
21379 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21381 * arm/pe.c (arm_pe_unique_section): Likewise.
21383 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21385 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21387 * i386/interix.c (i386_pe_unique_section): Likewise.
21389 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21391 * i386/winnt.c (i386_pe_unique_section): Likewise.
21393 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21395 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21397 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21399 * pa/pa.c (output_call): Likewise.
21401 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21403 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21405 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21408 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21411 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21413 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21414 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21416 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21418 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21420 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21422 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21424 * tree.h (lang_identify): Constify a char*.
21425 (print_error_function): Add extern prototype. Constify a char*.
21427 * c-lang.c (lang_identify): Constify a char*.
21429 * objc/objc-act.c (lang_identify): Constify a char*.
21431 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21433 * genpeep.c (main): Make generated file include "function.h".
21434 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21436 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21438 * Makefile.in: Update dependencies.
21439 * alias.c: Include "function.h"
21440 * c-decl.c: Likewise.
21441 * caller-save.c: Likewise.
21442 * calls.c: Likewise.
21443 * combine.c: Likewise.
21445 * explow.c: Likewise.
21446 * final.c: Likewise.
21447 * global.c: Likewise.
21448 * graph.c: Likewise.
21449 * local-alloc.c: Likewise.
21450 * loop.c: Likewise.
21451 * optabs.c: Likewise.
21452 * profile.c: Likewise.
21453 * recog.c: Likewise.
21454 * regclass.c: Likewise.
21455 * regmove.c: Likewise.
21456 * reload.c: Likewise.
21457 * reorg.c: Likewise.
21458 * resource.c: Likewise.
21459 * sched.c: Likewise.
21460 * stupid.c: Likewise.
21461 * config/1750a/1750a.c: Likewise.
21462 * config/a29k/a29k.c: Likewise.
21463 * config/arc/arc.c: Likewise.
21464 * config/arm/arm.c: Likewise.
21465 * config/arm/thumb.c: Likewise.
21466 * config/c4x/c4x.c: Likewise.
21467 * config/clipper/clipper.c: Likewise.
21468 * config/convex/convex.c: Likewise.
21469 * config/fx80/fx80.c: Likewise.
21470 * config/i860/i860.c: Likewise.
21471 * config/m68k/m68k.c: Likewise.
21472 * config/m88k/m88k.c: Likewise.
21473 * config/mips/mips.c: Likewise.
21474 * config/pdp11/pdp11.c: Likewise.
21475 * config/pyr/pyr.c: Likewise.
21476 * config/romp/romp.c: Likewise.
21477 * config/sh/sh.c: Likewise.
21478 * config/tahoe/tahoe.c: Likewise.
21479 * config/vax/vax.c: Likewise.
21480 * config/we32k/we32k.c: Likewise.
21481 * config/sparc/sparc.c: Include "function.h".
21482 (mem_min_alignment): Test current_function rather than
21483 regno_pointer_align.
21484 * config/pa/pa.c: Likewise.
21485 (compute_frame_size): Delete declaration of
21486 current_function_outgoing_args_size.
21487 * config/arc/arc.h (current_function_varargs): Delete declaration.
21488 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21490 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21492 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21493 current_function_uses_pic_offset_table.
21494 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21495 of current_function_returns_pointer.
21496 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21497 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21498 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21499 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21500 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21501 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21502 * config/m88k/m88k.c: Include "function.h"
21503 (call_used_regs, current_function_pretend_args_size,
21504 current_function_outgoing_args_size, frame_pointer_needed): Delete
21506 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21508 * config/mips/mips.h (current_function_calls_alloca): Delete
21510 * config/mn10200/mn10200.h (current_function_needs_context,
21511 rtx_equal_function_value_matters): Delete declarations.
21512 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21513 flag_pic): Delete declarations.
21514 * config/pa/pa.h (current_function_pretend_args_size,
21515 current_function_decl): Delete declarations.
21516 * config/pa/som.h (current_function_varargs): Delete declaration.
21517 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21519 * config/pyr/pyr.h (current_function_pretend_args_size,
21520 current_function_args_size, current_function_calls_alloca): Delete
21522 * config/sh/sh.h (current_function_varargs): Delete declaration.
21523 * config/sparc/sparc.h (current_function_outgoing_args_size,
21524 current_function_calls_alloca, current_function_decl): Delete
21526 * config/spur/spur.h (current_function_pretend_args_size,
21527 current_function_calls_alloca): Delete declarations.
21528 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21530 * config/vax/vms.h (current_function_name): Delete declaration.
21531 * gcse.c: Include "function.h".
21532 (current_function_name, current_function_calls_setjmp): Delete
21534 * haifa-sched.c: Include "function.h".
21535 (forced_labels): Delete declaration.
21536 * jump.c: Likewise.
21537 * reg-stack.c: Likewise.
21538 * reload1.c: Likewise.
21539 * genemit.c (main): Make generated file include function.h.
21540 * genoutput.c (output_prologue): Likewise.
21542 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21543 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21544 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21545 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21546 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21547 macros for some of them.
21548 (emit_filename, emit_lineno): Delete declarations.
21549 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21550 regno_pointer_* variables through current_function.
21551 (gen_inline_header_rtx): Delete function.
21552 (save_emit_status): Delete function.
21553 (set_new_last_label_num): New function.
21554 (clear_emit_caches): New function.
21555 (restore_emit_status): Just clear last_labelnum and call
21557 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21558 through macro seq_stack.
21559 (add_insn_after): Likewise.
21560 (add_insn_before): Likewise.
21561 (remove_insn): Likewise.
21562 (pop_topmost_sequence): Likewise.
21563 (in_sequence_p): Likewise.
21564 (start_sequence_for_rtl_expr): Likewise.
21565 (start_sequence): Likewise, and likewise for
21566 sequence_rtl_expr/seq_rtl_expr.
21567 (push_topmost_sequence): Likewise.
21568 (end_sequence): Likewise.
21569 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21570 All callers changed. Store into that pointer instead of globals.
21571 (init_emit): Allocate emit elt of current_function.
21572 Changes for sequence_rtl_expr/sequence_stack renaming.
21573 Call clear_emit_caches instead of doing it in-line.
21574 Access regno_pointer_* variables through current_function.
21575 (init_emit_once) Don't clear sequence_stack.
21577 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21579 (arg_pointer_save_area): Delete declaration.
21580 (finish_expr_for_function): Renamed from init_queue; no longer static.
21581 (init_expr): Don't call init_queue.
21582 (save_expr_status, restore_expr_status): Delete functions.
21583 (expand_expr): Changes to reflect new layout of struct function.
21584 Don't access current_function_check_memory_usage when current_function
21586 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21587 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21588 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21589 current_function_uses_const_pool, function_call_count,
21590 current_function_uses_pic_offset_table, nonlocal_labels,
21591 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21592 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21593 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21595 (finish_expr_for_function): Declare.
21596 * flags.h (current_function_has_nonlocal_label,
21597 current_function_has_nonlocal_goto, current_function_is_thunk,
21598 current_function_has_computed_jump): Delete declarations.
21599 * flow.c (forced_labels): Delete declaration.
21600 * function.c (current_function_pops_args,
21601 current_function_returns_struct, current_function_returns_pcc_struct,
21602 current_function_needs_context, current_function_calls_setjmp,
21603 current_function_calls_longjmp, current_function_has_nonlocal_label,
21604 current_function_has_nonlocal_goto, current_function_is_thunk,
21605 current_function_has_computed_jump, current_function_calls_alloca,
21606 current_function_contains_functions, current_function_returns_pointer,
21607 current_function_epilogue_delay_list, current_function_args_size,
21608 current_function_pretend_args_size, current_function_arg_offset_rtx,
21609 current_function_outgoing_args_size, current_function_varargs,
21610 current_function_stdarg, current_function_args_info, cleanup_label,
21611 current_function_name, current_function_uses_const_pool,
21612 current_function_instrument_entry_exit, current_function_return_rtx,
21613 current_function_uses_pic_offset_table, nonlocal_labels,
21614 current_function_internal_arg_pointer, current_function_cannot_inline,
21615 current_function_check_memory_usage, function_call_count,
21616 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21617 nonlocal_goto_stack_level, return_label, save_expr_regs,
21618 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21619 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21620 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21621 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21622 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21624 (push_function_context_to): Don't save them. Don't call
21625 save_storage_status, save_emit_status or save_expr_status.
21626 (pop_function_context_from): Don't restore them. Don't call
21627 restore_storage_status or restore_expr_status.
21628 (get_func_frame_size): New function.
21629 (get_frame_size): Use it.
21630 (assign_outer_stack_local): Reflect some member name changes in struct
21632 (put_reg_into_stack): Likewise.
21633 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21635 (fixup_var_refs): Likewise.
21636 (fix_lexical_addr): Likewise.
21637 (trampoline_address): Likewise.
21638 (prepare_function_start): Clear field inlinable of current_function.
21639 (init_function_for_compilation): New function.
21640 (expand_dummy_function_end): New function.
21641 (expand_function_end): Call finish_expr_for_function.
21642 * function.h (struct emit_status): New; fields moved here from struct
21643 function and from global variables. Add accessor macros for some of
21645 (struct expr_status): Likewise.
21646 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21647 (struct function): Add fields expr and emit, inlinable, inl_emit,
21648 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21649 inl_max_label_num. Add many comments.
21650 Add accessor macros for all elts of struct function that no longer
21651 have a global variable.
21652 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21653 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21654 stack_slot_list): Delete declarations.
21655 (get_func_frame_size): Declare.
21656 (save_expr_status, restore_expr_status, save_emit_status,
21657 save_storage_status, restore_storage_status): Delete declarations.
21658 (init_virtual_regs): Declare.
21659 * output.h (current_function_pops_args,
21660 current_function_returns_struct, current_function_returns_pcc_struct,
21661 current_function_needs_context, current_function_calls_setjmp,
21662 current_function_calls_longjmp, current_function_calls_alloca,
21663 current_function_has_nonlocal_label, current_function_varargs,
21664 current_function_has_computed_jump, current_function_returns_pointer,
21665 current_function_contains_functions, current_function_args_size,
21666 current_function_pretend_args_size, current_function_stdarg,
21667 current_function_outgoing_args_size, current_function_args_info,
21668 current_function_name, current_function_return_rtx,
21669 current_function_epilogue_delay_list,
21670 current_function_uses_const_pool, current_function_cannot_inline):
21671 Delete declarations.
21672 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21673 regno_reg_rtx): Delete declaration.
21674 (REGNO_POINTER_FLAG): Delete macro.
21675 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21676 function were renamed.
21677 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21679 * toplev.c: Include "function.h".
21680 (current_function_decl): Delete declaration.
21681 (compile_file): Call init_dummy_function_start and
21682 expand_dummy_function_end around some initializations that need to
21684 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21685 Call init_function_for_compilation.
21686 * unroll.c: Include "function.h"
21687 (unroll_loop): Access regno_pointer_* variables through
21690 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21691 (DECL_SAVED_INSNS): use it.
21692 (expand_dummy_function_end): Declare.
21693 (init_function_for_compilation): Declare.
21694 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21695 that it's no longer an INLINE_HEADER.
21696 (expand_call): Likewise.
21697 * integrate.c (finish_inline): Delete function.
21698 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21699 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21700 args. Don't generate an INLINE_HEADER rtx, just return the arg
21701 vector. All callers changed.
21702 (save_for_inline_copying): Create a duplicate struct emit_status to
21703 hold the emit state for compiling the current function. Use this and
21704 the other new fields in struct function that are for integration
21705 instead of an INLINE_HEADER.
21706 Use memcpy instead of bcopy.
21707 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21708 (save_for_inline_nocopy): Similar changes, except no new emit_status
21710 (expand_inline_function): Get information from function structure,
21711 not from an inline header rtx.
21712 (output_inline_function): Lose code to extract the necessary
21713 information from an inline header; simply put back the function
21714 structure into current_function. Clear its inlinable elt.
21715 * rtl.def (INLINE_HEADER): Delete.
21716 * rtl.h: Delete all accessors for an INLINE_HEADER.
21717 (gen_inline_header_rtx): Delete declaration.
21718 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21719 Delete declarations.
21720 (REGNO_POINTER_ALIGN): Delete.
21721 (clear_emit_caches): Declare.
21722 (set_new_last_label_num): Declare.
21724 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21726 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21728 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21729 * stmt.c (is_eh_region): Make sure current_function is present, too.
21731 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21733 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21734 for 64bit PA targets.
21736 * pa.h (SELECT_SECTION): Define.
21737 * som.h (SELECT_SECTION): Delete.
21739 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21741 * alias.c (init_alias_analysis): Wrap call to
21742 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21744 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21746 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21747 <sys/asm.h> contains an asm comment with an apostrophe
21748 * fixinc/inclhack.sh: regen
21749 * fixinc/fixincl.x: regen
21751 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21753 * function.c (init_function_start): Clear prologue & epilogue.
21754 (prologue_epilogue_contains): New function.
21755 * alias.c (init_alias_analysis): Use it.
21756 * rtl.h (prologue_epilogue_contains): Declare it.
21758 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21760 * jump.c (onlyjump_p): New function.
21761 * rtl.h: Declare it.
21762 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21763 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21765 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21767 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21768 to invert loops. Simplify block scanning.
21770 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21772 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21773 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21775 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21777 * config/sparc/liteelf.h: New file to support sparclite-elf target
21778 * config/sparc/t-sp86x: New file to support sparc86x targets
21779 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21780 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21781 * configure.in: Support above target triplets
21782 * configure: Regenerated
21784 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21786 * fixinc/server.c (server_setup): Do not prefix function used as
21787 parameter with `&'.
21789 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21791 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21792 Remove fp reg alternatives.
21794 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21796 * Makefiin (TAROUTOPTS): Kill.
21797 (install-headers-tar): Use "xpf" for tar headerfile extraction
21798 * i370/x-oe (TAROUTOPTS): Delete.
21799 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21800 * m68k/x-hp320 (TAROUTOPTS): Delete.
21801 * m68k/x-hp320g (TAROUTOPTS): Delete.
21802 * gcc.texi: Update bug reporting text.
21804 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21806 * reg-stack.c (change_stack) Fixed problem with negative array index.
21808 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21810 * extend.texi, install.texi: Fix spelling mistakes.
21812 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21813 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21814 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21815 PREMADE_ATTRTAB_MD.
21816 * mips/t-ecoff: Likewise.
21817 * mips/t-elf: Likewise.
21818 * mips/t-mips: Likewise.
21819 * mips/t-osfrose: Likewise.
21820 * mips/t-r3900: Likewise.
21821 * mips/t-svr3: Likewise.
21822 * mips/t-svr4: Likewise.
21823 * mips/t-ultrix: Likewise.
21825 * gcc.texi: Document recommend means to provide software floating
21826 point libraries in libgcc.a
21828 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21830 * c-lex.c (yylex): We can have a number with no digits.
21832 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21834 * jump.c (delete_prior_computation): New function, broken
21835 out of delete_computation. Check for side effects with
21836 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21837 multi-word hard registers.
21838 (delete_computation): Use it. Check for side effects with
21839 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21840 missing REG_DEAD note for a register which is both set and
21843 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21845 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21846 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21847 (ASM_FILE_START): Import _mcount with the right type.
21848 (ASM_DECLARE_FUNCTION_NAME): Define.
21849 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21850 * pa.c (output_function_prologue): Always emit the function's label
21852 * pa.h (TEXT_SPACE_P): Define.
21853 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21854 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21855 * som.h (TEXT_SPACE_P): Delete.
21856 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21857 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21859 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21861 * expr.c (emit_group_load): Allow src to be a CONCAT.
21863 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21865 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21866 (___mulsi3): Use '!' comment character.
21868 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21870 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21872 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21874 * gcc.c: Update URLs and mail addresses.
21875 * gcc.texi: Likewise.
21877 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21879 * rs6000.c (current_file_function_operand): Return zero for
21881 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21883 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21886 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21888 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21889 allocate space in the stack frame for the PIC register.
21891 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21893 * m68k.md (xordi3, anddi3): These patterns are not available on
21896 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21898 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21899 (PUT_REAL): Likewise.
21901 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21903 * final.c (shorten_branches): Don't add an alignment for loops
21904 that have no label inside.
21906 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21908 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21909 prototypes in macro HAVE_cmpstrsi.
21911 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21913 * emit-rtl.c (operand_subword): Remove unused variable
21916 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21918 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21920 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21922 * cpphash.c (macroexpand): Delete leading whitespace when arg
21923 is concatenated before.
21924 (unsafe_chars): Correct test for whether + and - can extend a
21927 * cppinit.c (cpp_start_read): Do dependencies for
21928 -include/-imacros files also.
21930 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21931 tokenizing non-directive lines.
21932 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21933 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21936 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21938 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21940 * c-lex.c: Sync with C++ frontend.
21941 (linemode): New variable.
21942 (parse_float): imag, conversion_errno, and type are output only.
21943 (yylex): Adjust. Move initial '.' case into main switch.
21945 (handle_generic_pragma): Just deal with tokens.
21946 (readescape): Use ISXDIGIT and ISGRAPH.
21947 * c-parse.in: Add END_OF_LINE token.
21949 * c-lex.c (lang_init): Generalize.
21950 (nextchar): Remove. Replace uses with UNGETC.
21951 (skip_white_space): Handle linemode here. Optimize for cpplib.
21952 (skip_white_space_on_line): Remove.
21953 (extend_token_buffer_to): New fn.
21954 (extend_token_buffer): Use it.
21955 (read_line_number, check_newline): Just deal with tokens.
21956 (token_getch, token_put_back): New fns.
21957 (yylex): Use them. More cpplib optimizations. Simplify.
21959 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21960 Jason Merrill <jason@yorick.cygnus.com>
21962 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21963 (consume_string): Make this smart about USE_CPPLIB.
21964 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21965 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21966 Also, clean up cases where we redundantly set token_buffer[0].
21967 (read_line_number): New fn.
21968 (ignore_escape_flag): New variable.
21970 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
21972 * a29k/t-a29kbare: Fix some comments.
21973 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
21974 (FPBIT, DPBIT): Define.
21975 * a29k/t-vx29k: Likewise.
21976 * arc/t-arc: Likewise.
21977 * arm/t-arm-elf: Likewise.
21978 * arm/t-bare: Likewise.
21979 * arm/t-pe: Likewise.
21980 * arm/t-pe-thumb: Likewise.
21981 * arm/t-semi: Likewise.
21982 * arm/t-thumb: Likewise.
21983 * arm/t-thumb-elf: Likewise.
21984 * arm/t-thumb-linux: Likewise.
21985 * h8300/t-h8300: Likewise.
21986 * i960/t-i960: Likewise.
21987 * i960/t-vxworks960: Likewise.
21988 * m32r/t-m32r: Likewise.
21989 * mips/t-ecoff: Likewise.
21990 * mips/t-elf: Likewise.
21991 * mips/t-r3900: Likewise.
21992 * pa/t-pro: Likewise.
21993 * rs6000/t-aix43: Likewise.
21994 * rs6000/t-beos: Likewise.
21995 * rs6000/t-newas: Likewise.
21996 * rs6000/t-ppccomm: Likewise.
21997 * rs6000/t-rs6000: Likewise.
21998 * rs6000/t-winnt: Likewise.
21999 * rs6000/t-xnewas: Likewise.
22000 * rs6000/t-xrs6000: Likewise.
22001 * sh/t-sh: Likewise.
22002 * sparc/t-elf: Likewise.
22003 * sparc/t-sparcbare: Likewise.
22004 * sparc/t-sparclite: Likewise.
22005 * sparc/t-splet: Likewise.
22006 * v850/t-v850: Likewise.
22007 * mn10200/t-mn10200: Fix comments.
22008 * mn10300/t-mn10300: Likewise.
22010 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
22011 dummy operand. Allocate a new pseudo for the dummy operand.
22012 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
22014 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
22016 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
22018 * configure: Rebuilt.
22019 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
22021 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
22023 * recog.c (preproces_constraints): Zero recog_op_alt before
22024 processing the constraints.
22026 * arm.c (typedef minipool_node): Renamed from pool_node.
22027 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
22028 (add_minipool_constant): New function.
22029 (dump_minipool): New function.
22030 (find_barrier): Remove special case for getting the insn size of
22031 an insn that references the constant pool.
22032 (minipool_fixup): New structure.
22033 (push_minipool_barrier): New function.
22034 (push_minipool_fix): New function.
22035 (note_invalid_constants): New function.
22036 (add_pool_constant, dump_table, fixit, broken_move): Delete.
22037 (arm_reorg): Rewrite code to fix up the constant pool into a
22038 series of mini-pools embedded in the insn stream.
22039 (arm_output_epilogue): New function, made mainly from the body
22040 of output_func_epilogue.
22041 (output_func_epilogue): Move insn generation part of epilogue code
22042 to arm_output_epilogue.
22043 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
22044 * arm.md (pool_range): New attribute.
22045 (zero_extendqidi2): Add attribute pool_range.
22046 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
22047 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
22048 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
22049 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
22050 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
22051 (epilogue): New expand.
22052 (epilogue_insn): New insn. Call arm_output_epilogue.
22054 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
22055 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
22057 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22059 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22061 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
22063 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
22065 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
22067 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
22069 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
22071 * global.c: Fix comment.
22073 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
22075 * gcc.c (access_check): New static function.
22076 (find_a_file): Use it when searching a directory list.
22077 * collect2.c (find_a_file): Don't accept directories found when
22078 searching a directory list.
22080 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
22082 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
22083 function parameters with `&'.
22084 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
22086 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
22088 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
22089 or tidy_fallthru_edge if the last insn in the block is not
22090 an unconditional jump or a simple conditional jump.
22092 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22094 * Makefile.in (c-decl.o): Depends on defaults.h.
22096 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
22098 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
22100 (CLASS_MAX_NREGS): Likewise.
22102 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
22104 * cse.c (cse_insn): Fix dumb thinko in last change.
22106 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22108 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
22111 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
22113 * dwarf2out.c (add_location_or_const_value_attribute): Correct
22114 test for sizes of passed and declared parameter types.
22116 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22118 * fixincludes: Fix the return type of bsearch, char* -> void*.
22120 * fixinc/inclhack.def: Likewise.
22122 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
22124 * invoke.texi (-fdump-translation-unit): New option.
22126 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
22128 * expr.h (PROMOTE_PROTOTYPES): Move ...
22129 * defaults.h: ... to here.
22130 * c-decl.c: Include defaults.h instead of expr.h.
22131 * c-typeck.c: Include defaults.h.
22133 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
22135 * toplev.h (errorcount): Declare.
22136 (warningcount): Likewise.
22137 (sorrycount): Likewise.
22138 * c-lex.c (errorcount): Don't declare.
22139 * dwarf2out.c (errorcount): Don't declare.
22141 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
22143 * config/libgloss.h: Add a note discouraging use with ELF.
22144 * configure.in: Don't use libgloss.h for ELF targets.
22145 Always use_collect2 on a.out targets.
22147 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
22149 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
22150 (force_to_mode, case ASHIFTRT): Add shiftrt label.
22152 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22154 * loop.c (strength_reduce): When doing biv->giv conversion, update
22155 reg note of NEXT->insn.
22157 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22159 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
22161 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22163 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
22164 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
22165 Ensure expr.h is included.
22166 * c-typecheck.c (convert_arguments): Ditto.
22168 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
22170 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
22171 * config/convex/convex.h: Ditto.
22172 * config/dsp16xx/dsp16xx.h: Ditto.
22173 * config/fx80/fx80.h: Ditto.
22174 * config/gmicro/gmicro.h: Ditto.
22175 * config/i370/i370.h: Ditto.
22176 * config/i386/i386.h: Ditto.
22177 * config/m32r/m32r.h: Ditto.
22178 * config/m68k/m68k.h: Ditto.
22179 * config/m88k/m88k.h: Ditto.
22180 * config/mips/mips.h: Ditto.
22181 * config/pa/pa.h: Ditto.
22182 * config/pyr/pyr.h: Ditto.
22183 * config/tahoe/tahoe.h: Ditto.
22184 * config/we32k/we32k.h: Ditto.
22186 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
22187 based on arch size.
22189 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
22191 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
22194 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
22196 1999-08-02 Richard Henderson <rth@cygnus.com>
22198 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
22199 for the register spill block.
22200 (m32r_va_arg): New.
22201 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
22202 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
22204 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
22205 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
22206 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
22208 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22210 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
22211 MAX_WCHAR_TYPE defined in sparc.h.
22212 * config/sparc/linuxaout.h: Likewise.
22213 * config/sparc/linux64.h: Likewise.
22214 Also default to -mvis if CPU is UltraSPARC.
22216 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22218 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
22219 (RTX_OK_FOR_OLO10): Likewise.
22220 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
22221 %lo(), allow it in addresses...
22222 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
22223 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
22224 does not make sense.
22225 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
22226 (sparc_output_scratch_registers): New function.
22227 (output_function_prologue, sparc_flat_output_function_prologue): Use
22229 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
22231 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
22232 * configure.in: Add check for .register pseudo-op support in as and
22233 check for offsetable %lo().
22234 * acconfig.h: Add templates for the above checks.
22235 * configure: Regenerate.
22237 1999-08-02 Richard Henderson <rth@cygnus.com>
22239 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
22240 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
22241 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
22243 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22245 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22248 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22250 * config/float-sparc.h: New file.
22251 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22252 sparc-*-linux-gnu and sparc64-*-linux*.
22254 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22256 * rs6000.c (rs6000_va_list): Type is an array.
22257 (rs6000_va_start): Don't doubly adjust for varargs.
22258 (rs6000_va_arg): Evaluate long long GPR adjustment.
22260 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22262 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22263 -maix64 and -maix32.
22264 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22265 LINK_SPEC): Change appropriately.
22266 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22267 (u_short_cint_operand): Likewise.
22268 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22270 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22272 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22274 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22276 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22277 for type promotion.
22278 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22279 (non_add_cint_operand): Likewise.
22280 (logical_operand): Likewise.
22281 (non_logical_cint_operand): Likewise.
22282 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22283 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22284 (rs6000_select_rtx_section): Suppress warning.
22285 (small_data_operand): Suppress warning.
22286 (rs6000_got_register): Suppress warning.
22287 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22288 type, so `J' is generally the wrong constraint for a SImode value;
22290 (andsi3_internal2): Likewise.
22291 (andsi3_internal3): Likewise.
22292 (iorsi3_internal1): Likewise.
22293 (xorsi3_internal1): Likewise.
22295 (movsf_softfloat): Likewise.
22296 (scc insns): Likewise.
22297 (movsi+2): Preserve sign bits of SImode constant.
22298 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22299 (movdf+1): Sign-extend properly.
22300 (movdi_32+1): Sign-extend properly.
22301 (scc insns): Sign-extend properly.
22303 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22306 1999-08-02 Richard Henderson <rth@cygnus.com>
22308 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22309 -mcpu parsing code.
22310 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22311 * alpha.md (all fp insns): Likewise.
22313 1999-08-02 Nick Clifton <nickc@cygnus.com>
22315 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22318 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22320 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22321 pic_load_label generator directly.
22322 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22323 No longer a named pattern.
22325 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22327 * explow.c (force_reg): Call force_operand if X does not
22328 satisfy general_operand.
22330 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22332 * fix-header.c (main): When testing for CONTINUED, use string
22333 equality, not pointer equality.
22335 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22337 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22339 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22341 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22342 that has become an unconditional jump.
22344 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22345 (output_function_epilogue): Similarly.
22347 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22349 * tree.h (init_dummy_function_start): Declare.
22351 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22353 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22354 last_expr_type, last_expr_value, block_start_count, block_stack,
22355 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22356 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22357 dynamically in stmt elt of struct function for each function.
22358 (struct nesting): Rename function_call_count elt to n_function_calls,
22359 target_temp_slot_level to block_target_temp_slot_level. All users
22361 (struct stmt_status): New structure definition.
22362 Add many accessor macros for stmt_status elements which previously
22363 were global variables.
22364 (init_stmt_for_function): Allocate stmt elt for current_function.
22365 Reflect that block_start_count was renamed to
22366 current_block_start_count.
22367 (save_stmt_status, restore_stmt_status): Delete functions.
22368 (preserve_subexpressions_p): Don't access loop_stack when outside
22370 (expand_start_bindings): Reflect that block_start_count was renamed to
22371 current_block_start_count.
22372 (expand_fixup): Likewise.
22373 (expand_decl): Don't access block_stack when outside a function.
22374 (expand_decl_cleanup): Likewise.
22375 (expand_dcc_cleanup): Likewise.
22376 (expand_dhc_cleanup): Likewise.
22377 (expand_anon_union_decl): Likewise.
22378 (set_file_and_line_for_stmt): New function.
22379 (in_control_zone_p): New function.
22381 * function.h (struct function): Add new elt stmt.
22382 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22383 case_stack, nesting_stack, nesting_depth, block_start_count,
22384 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22385 emit_lineno, goto_fixup_chain.
22386 (save_eh_status, restore_eh_status, save_stmt_status,
22387 restore_stmt_status): Delete declarations.
22388 * function.c (push_function_context_to): Don't call save_stmt_status.
22389 (pop_function_context_to): Don't call restore_stmt_status.
22390 * tree.h (in_control_zone_p): Declare.
22391 * rtl.h (set_file_and_line_for_stmt): Declare.
22393 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22394 call set_file_and_line_for_stmt.
22396 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22398 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22399 Also update copyright.
22401 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22403 * c-pragma.c: Don't include "except.h".
22404 * emit-rtl.c: Likewise.
22405 * stor-layout.c: Likewise.
22406 * tree.c: Likewise.
22407 * varasm.c: Likewise.
22409 * flow.c: Include "function.h".
22410 * tree.h (init_dummy_function_start): Declare new function.
22412 * except.h (struct eh_status): New structure.
22413 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22415 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22416 catch_clauses, false_label_stack, caught_return_label_stack,
22417 protect_list, current_function_ehc): Add accessor macros for the
22418 corresponding fields in current_function->eh; delete declarations
22419 for all items that used to be declared here.
22420 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22421 catch_clauses, false_label_stack, caught_return_label_stack,
22422 protect_list, current_function_ehc): Delete variables.
22423 (init_eh_for_function): Allocate current_function->eh.
22424 (save_eh_status, restore_eh_status): Delete functions.
22426 * function.h (struct function): Add fields next_global and eh.
22427 Delete all exception handling related fields.
22428 * function.c (current_function): New variable.
22429 (all_functions): New variable.
22430 (push_function_context_to): Don't allocate a struct function,
22431 use current_function instead. Call init_dummy_function_start when
22432 outside a function. Clear current_function before returning.
22433 (pop_function_context_from): Restore current_function.
22434 Don't free the restored struct function.
22435 (prepare_function_start): New function.
22436 (init_dummy_function_start): New function.
22437 (init_function_start): Break out some code into prepare_function_start
22440 * stmt.c (save_stmt_status): Don't call save_eh_status.
22441 (restore_stmt_status): Don't call restore_eh_status.
22443 * Makefile.in: Update dependencies.
22445 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22447 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22448 of depending on a magic constant value. Update comments.
22449 (hppa_expand_prologue): Similarly.
22451 * pa.md (reload_indi, reload_outdi): Allow any register for the
22452 original reload register.
22454 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22456 * cccp.c (print_help): Change marcos to macros.
22458 1999-07-30 Richard Henderson <rth@cygnus.com>
22460 * c-typeck.c (initializer_constant_valid_p): Move ...
22461 * c-common.c (initializer_constant_valid_p): ... here. Use
22462 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22463 of label addresses.
22464 * c-common.h (initializer_constant_valid_p): Declare.
22465 * c-tree.h (initializer_constant_valid_p): Remove.
22467 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22469 * config/i386/sol2-c1.asm: Align the stack.
22470 * config/i386/sol2-gc1.asm: Likewise.
22472 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22474 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22475 -Asparclite for sparc86x.
22476 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22478 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22480 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22482 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22483 the user if using the non-default arch size in BI_ARCH configuration.
22484 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22486 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22487 Fix patterns so that they actually match.
22488 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22489 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22490 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22492 (mulsidi3): Reflect this in the expand.
22493 (smulsi3_highpart): Only on TARGET_ARCH32.
22494 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22495 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22496 (umulsidi3): Reflect this in the expand.
22497 (umulsi3_highpart): Only on TARGET_ARCH32.
22498 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22499 don't require g0 to be zero.
22500 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22501 ({,u}divsi3): New expands.
22502 ({,u}divsi3_sp64): New patterns.
22503 (after lshrdi3_v8plus): Four new patterns to help combiner
22504 optimizing nested mixed mode shifts.
22506 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22507 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22508 speed things up. Don't use them by default on plain v9 in 64bit
22509 mode, according to what SPAMv9 sais.
22511 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22512 top 32 bits of %[og][0-7] in signal handlers.
22513 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22515 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22517 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22518 (ashlsi3): Corresponding changes.
22520 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22522 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22524 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22526 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22528 * arm.h (Hint): Delete macro.
22529 Substitute HOST_WIDE_INT for Hint in some prototypes.
22530 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22532 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22534 * builtins.c (expand_builtin_setjmp): Use force_operand to
22535 make sure that the buffer address is in a suitable form to be
22536 passed to force_reg.
22538 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22540 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22543 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22545 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22546 proper mode in the condition string.
22547 (icacheflush, dcacheflush): Remove modes from match_operands.
22549 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22550 proper mode before using it.
22552 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22555 * pa.c (store_reg): Do not call add_high_const generator directly.
22556 (load_reg, set_reg_plus_d): Likewise.
22557 * pa.md (add_high_const): No longer a named pattern.
22559 * pa.c (legitimize_address): Consistently use Pmode rather than
22560 SImode. Do not call gen_pic2_highpart directly anymore.
22561 * pa.md (pic2_highpart): No longer a named pattern.
22562 (pic2_lo_sum): Similarly. Reformat to make more readable.
22564 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22569 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22571 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22573 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22575 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22576 and tag the spill mems.
22577 (hppa_va_start): New.
22578 (hppa_va_arg): New.
22579 * pa.h (EXPAND_BUILTIN_VA_START): New.
22580 (EXPAND_BUILTIN_VA_ARG): New.
22582 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22584 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22585 and tag the spill mems.
22586 (mn10300_va_start): New.
22587 (mn10300_va_arg): New.
22588 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22589 (EXPAND_BUILTIN_VA_ARG): New.
22591 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22593 * mn10200.c (mn10200_va_arg): New.
22594 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22596 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22598 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22599 rather than play with TREE_INT_CST_LOW.
22601 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22603 * config/arm/telf.h: Include dbxelf.h.
22604 (CPP_PREDEFINES): Only define if not already defined.
22605 (ASM_IDENTIFY_GCC): Likewise.
22606 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22607 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22608 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22610 (DBX_DEBUGGING_INFO): Don't define.
22611 * config/arm/linux-telf.h: New file.
22612 * config/arm/linux-tgas.h: New file.
22613 * config/arm/t-thumb-linux: New file.
22614 * config/arm/uclinux-elf.h: New file.
22615 * config/arm/uclinux-telf.h: New file.
22616 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22617 thumb-*-uclinux): New targets.
22618 * configure: Regenerate.
22620 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22622 * pa.md (post_store, pre_load): New expanders.
22623 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22624 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22625 need to directly generate RTL for them.
22626 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22629 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22631 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22632 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22633 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22634 (secndary_reload_class): Make TARGET_ELF conditional compile.
22635 (print_operand_address): Similar.
22636 (output_toc): Print all values as hex.
22637 (get_issue_rate): Rearrange and add RS64A and PPC630.
22638 * rs6000.h (processor_type): Add RS64A and PPC630.
22639 (PROCESSOR_POWERPC64): New.
22640 (PROMOTE_MODE): Use word_mode.
22641 (RTX_COSTS): Add RS64A and PPC630.
22642 * rs6000.md (scheduling information): Add lmul and ldiv
22643 representing 64-bit integer multiply and divide. Add rs64a and
22644 PPC630 information.
22645 (ashldi3): Add support for "rldic" instruction.
22646 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22648 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22650 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22651 instead of V8 for sparclite86x in cpu_table.
22653 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22655 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22656 output_file_directive.
22658 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22660 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22661 tree for op1, not the rtl.
22663 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22665 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22666 to m88k_va_start, leaving only the register spill.
22667 (m88k_build_va_list): New.
22668 (m88k_va_start): New.
22669 (m88k_va_arg): New.
22670 * m88k.h (BUILD_VA_LIST_TYPE): New.
22671 (EXPAND_BUILTIN_VA_START): New.
22672 (EXPAND_BUILTIN_VA_ARG): New.
22674 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22676 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22677 Rename from expand_builtin_saveregs.
22678 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22680 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22682 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22683 for the register spill block.
22684 (i960_build_va_list): New.
22685 (i960_va_start): New.
22686 (i960_va_arg): New.
22687 * i960.h (BUILD_VA_LIST_TYPE): New.
22688 (EXPAND_BUILTIN_VA_START): New.
22689 (EXPAND_BUILTIN_VA_ARG): New.
22690 * i960.md (store_multiple): Use change_address on individul mems.
22692 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22694 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22696 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22697 (expand_builtin_va_end): Evaluate arg for side effects.
22698 * c-common.c (c_common_nodes_and_builtins): Construct a
22699 va_list_arg_type_node to handle array decomposition to pointer.
22701 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22703 * except.c (st_dynamic_cleanup): Use force_operand on the
22706 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22708 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22709 * c4x.c (c4x_va_arg): New.
22711 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22713 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22714 has manual_pop set.
22716 1999-07-26 Nathan Sidwell <nathan@acm.org>
22718 * eh-common.h (__eh_matcher): Prototype correctly.
22720 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22722 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22723 (TARGET_SINGLE_PIC_BASE): Likewise.
22724 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22726 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22727 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22728 (TARGET_OPTIONS): Add -mpic-register=N.
22729 (OUTPUT_INT_ADDR_CONST): New macro.
22730 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22731 LEGITIMATE_PIC_OPERAND_P): Likewise.
22732 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22733 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22734 output_addr_const directly.
22735 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22737 (thumb_pic_register, thumb_pic_register_string): Declare.
22739 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22741 (label_mentioned_p): New function: Imported from arm.c.
22742 (legitimize_pic_address): New function: Imported from arm.c.
22743 (is_pic):New function: Imported from arm.c.
22744 (thumb_finalize_pic):New function: Imported from arm.c.
22745 (add_constant): Cope with PIC constants.
22746 (fixit): Cope with PIC constants.
22747 (output_return): Do not treat the PIC register as live if
22748 TARGET_SINGLE_PIC_BASE is true.
22749 (thumb_function_prologue): Do not treat the PIC register as live if
22750 TARGET_SINGLE_PIC_BASE is true.
22751 (thumb_expand_prologue): Do not treat the PIC register as live if
22752 TARGET_SINGLE_PIC_BASE is true.
22753 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22754 TARGET_SINGLE_PIC_BASE is true.
22755 (thumb_print_operand): Accept '|'.
22756 (thumb_override_options): Process PIC options.
22758 * config/arm/thumb.md (movsi): Support PIC.
22759 (call_insn): Change "i" constraint to "X".
22760 (call_value_insn): Likewise.
22761 (consttable_4, consttable_8, consttable_end): Set and clear
22762 "making_const_table" as appropriate.
22763 (pic_load_addr, pic_add_dot_plus_four): New insns.
22765 * invoke.texi (Thumb Options): Fix spelling. Document new
22766 options -msingle-pic-base and -mpic-register=.
22768 1999-07-26 Andrew Haley <aph@cygnus.com>
22770 * config/m32r/initfini.c (__init): Use a full word immediate for
22771 __fini: this allows it to be placed in any memory region.
22773 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22774 -mmodel=medium. This is OK for all memory models.
22776 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22778 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22779 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22781 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22783 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22786 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22788 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22790 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22791 (BUILD_VA_LIST_TYPE): New.
22792 (EXPAND_BUILTIN_VA_START): New.
22793 (EXPAND_BUILTIN_VA_ARG): New.
22794 * i860.c (output_delayed_branch): Disable.
22795 (output_delay_insn): Likewise.
22796 (i860_saveregs): New.
22797 (i860_build_va_list): New.
22798 (i860_va_start): New.
22799 (i860_va_arg): New.
22800 * i860.md: Disable all peepholes using output_delayed_branch.
22801 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22803 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22805 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22806 (BUILD_VA_LIST_TYPE): New.
22807 (EXPAND_BUILTIN_VA_START): New.
22808 (EXPAND_BUILTIN_VA_ARG): New.
22809 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22810 Return the address of the save area.
22811 (clipper_build_va_list): New.
22812 (clipper_va_start): New.
22813 (clipper_va_arg): New.
22815 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22817 * arc.h (EXPAND_BUILTIN_VA_START): New.
22818 (EXPAND_BUILTIN_VA_ARG): New.
22819 * arc.c (arc_setup_incoming_varargs): Set alias set of
22821 (arc_va_start): New.
22824 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22826 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22827 (BUILD_VA_LIST_TYPE): New.
22828 (EXPAND_BUILTIN_VA_START): New.
22829 (EXPAND_BUILTIN_VA_ARG): New.
22830 * alpha.c (alpha_builtin_saveregs): Delete.
22831 (alpha_build_va_list): New.
22832 (alpha_va_start): New.
22833 (alpha_va_arg): New.
22835 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22837 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22839 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22840 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22842 * gcc.texi: More changes related to list conversion.
22843 * invoke.texi: Likewise.
22845 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22847 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22848 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22849 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22850 (stabilize_va_list): New function.
22851 (std_expand_builtin_va_start): New function.
22852 (expand_builtin_va_start): New function.
22853 (get_varargs_alias_set): New function.
22854 (std_expand_builtin_va_arg): New function.
22855 (expand_builtin_va_arg): New function.
22856 (expand_builtin_va_end): New function.
22857 (expand_builtin_va_copy): New function.
22858 (expand_builtin): Call them.
22859 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22860 __builtin_{varargs_start,stdarg_start,end,copy}.
22861 (build_va_arg): New function.
22862 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22863 (build_va_arg): Declare.
22864 * c-decl.c (ptr_type_node, va_list_type_node): New.
22865 * c-parse.gperf (__builtin_va_arg): New.
22866 * c-parse.in (VA_ARG): New token.
22867 (unary_expr): Recognize it.
22868 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22869 * expr.h (std_expand_builtin_va_start): Declare.
22870 (std_expand_builtin_va_arg): Declare.
22871 (expand_builtin_va_arg): Declare.
22872 (get_varargs_alias_set): Declare.
22873 * tree.def (VA_ARG_EXPR): New.
22874 * tree.h (BUILT_IN_VARARGS_START): New.
22875 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22876 (ptr_type_node, va_list_type_node): Declare.
22877 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22878 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22879 * m88k.h, m88k.c: Likewise.
22880 * mn10300.h, mn10300.c: Likewise.
22881 * pa.h, pa.c: Likewise.
22882 * rs6000.h, rs6000.c: Likewise.
22883 * sh.h, sh.c: Likewise.
22884 * sparc.h, sparc.c: Likewise.
22886 * emit-rtl.c (operand_subword): Copy alias set.
22887 (change_address): Likewise.
22889 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22891 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22892 not just the first one.
22894 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22896 * config/arm/arm.h (TARGET_SWITCHES): Add
22897 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22898 (TARGET_OPTIONS): Add -mpic-register=.
22899 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22900 (arm_pic_register_string): Declare.
22901 (NEED_PLT_GOT): Delete, replace with ...
22902 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22903 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22904 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22905 * config/arm/arm.c (arm_override_options): Add new option
22907 (arm_pic_register_string): New variable.
22908 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22909 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22910 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22911 (output_return_instruction): Likewise.
22912 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22913 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22914 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22916 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22917 mention of -msched-prolog. Document new options -msingle-pic-base
22918 and -mpic-register=.
22920 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22922 * haifa-sched.c (reemit_notes): Tidy.
22923 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22926 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22928 * explow.c (trunc_int_for_mode): New function.
22929 (plus_constant_wide): Use it.
22930 * combine.c (simplify_and_const_int): Likewise.
22931 (merge_outer_ops): Likewise.
22932 (simplify_shift_const): Likewise.
22933 * cse.c (simplify_unary_operation): Likewise.
22934 (simplify_binary_operation): Likewise.
22935 * emit-rtl.c (operand_subword): Likewise.
22936 * rtl.h: Declare it.
22938 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22940 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22941 (use NUM_REGS instead of NUM_INTS).
22943 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22945 * builtins.c: New file.
22946 * expr.c (saveregs_value, apply_args_value): Delete definition,
22947 moved into builtins.c.
22948 (string_constant): No longer static.
22949 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22950 apply_args_size, apply_result_size, result_vector,
22951 expand_builtin_apply_args, expand_builtin_apply,
22952 expand_builtin_return): Delete functions, moved into builtins.c.
22953 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22954 * expr.h (saveregs_value, apply_args_value): Declare variables.
22955 (expand_builtin, string_constant): Declare functions.
22956 * Makefile.in: Update to build builtin.o.
22958 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22960 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22961 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22962 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22963 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22965 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
22968 1999-07-21 Michael Meissner <meissner@cygnus.com>
22970 * print-rtl.c (print_rtx): Print the names of the virtual
22973 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
22975 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
22976 introduced in previous delta.
22978 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22980 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
22981 to avoid name clash.
22983 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22985 * c-lex.c (yylex) : Correct the test for overflow when lexing
22988 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
22990 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
22991 (adjust_priority): Always call ADJUST_PRIORITY.
22992 (schedule_insn): Only put insns into the ready at cost 0.
22993 (schedule_block): Remove redundant initial sort. Give clock_var
22994 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
22996 * tm.texi (MD_SCHED_REORDER): Update docs.
22998 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
22999 * sparc.c (ultra_reorder_called_this_block): Delete.
23000 (ultrasparc_sched_init): Don't set it.
23001 (ultrasparc_sched_reorder): Don't check it.
23003 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
23005 * rs6000.h (struct rs6000_args): Add sysv_gregno.
23006 * rs6000.c (init_cumulative_args): Init sysv_gregno.
23007 (function_arg_boundary): Align DFmode.
23008 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
23009 to get fp reg and stack overflow correct.
23010 (function_arg): Likewise.
23011 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
23012 (setup_incoming_varargs): Restructure for ABI_V4; use
23013 function_arg_advance to skip final named argument.
23014 (expand_builtin_saveregs): Properly unskip the last integer arg
23015 when doing varargs. Adjust overflow location calculation.
23017 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
23018 explicitly unsigned.
23019 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
23020 (__VA_GP_REGSAVE): Similarly.
23021 (__va_longlong_p): Delete.
23022 (__va_arg_type_violation): New declaration.
23023 (va_arg): Restructure. Flag promotion errors. Align double.
23024 TFmode passed by reference.
23026 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
23027 in the HOST_BITS_PER_WIDE_INT > 32 case.
23029 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
23031 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
23033 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
23035 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
23036 * toplev.c (documented_lang_options): Add -fpreprocessed.
23037 * cpplib.h (struct cpp_buffer): Add preprocessed.
23038 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
23039 (cpp_start_read): Don't expand macros or emit an initial #line
23040 directive if -fpreprocessed.
23042 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23044 * cpplib.h (struct cpp_buffer): Added manual_pop for
23045 better C++ tokenization.
23046 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
23047 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
23048 * c-common.c (cpp_token): Make non-static.
23050 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23052 * c-common.h: New file.
23053 * c-common.c (permanent_obstack): Delete unused declaration.
23054 (c_global_trees): New array.
23055 (c_common_nodes_and_builtins): New function; split off common code
23056 from init_decl_processing in both c-decl.c and cp/decl.c.
23057 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
23058 c_global_trees and accessor macros defined in c-common.h.
23059 Include c-common.h.
23060 * c-decl.c: Delete definitions for tree nodes that were replaced by
23062 (init_decl_processing): Build void_list_node.
23063 Call c_common_nodes_and_builtins; delete code to generate the common
23065 * objc/objc-act.c (build_module_descriptor): Rename variable
23066 void_list_node to avoid clash with c-common.h.
23068 * Makefile.in: Update dependencies.
23069 * objc/Make-lang.in: Likewise.
23071 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
23073 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
23074 (UNIQUE_SECTION_P): Likewise.
23075 (UNIQUE_SECTION): Likewise.
23077 1999-07-19 Linas Vepstas <linas@linas.org>
23079 * config/i370/README: New file.
23080 * config/i370/linux.h: New file.
23081 * config/i370/mvs.h: New file.
23082 * config/i370/oe.h: New file.
23083 * config/i370/t-linux: New file.
23084 * config/i370/t-mvs: New file.
23085 * config/i370/t-oe: New file.
23086 * config/i370/x-oe: New file.
23087 * config/i370/xm-linux.h: New file.
23088 * config/i370/xm-mvs.h: New file.
23089 * config/i370/xm-oe.h: New file.
23091 * i370.c (label_node_t): Add first_ref_page, label_addr,
23092 label_first_ref, label_last_ref members.
23093 (mvs_need_base_reload): Renamed from mvs_label_emitted.
23094 (MAX_MVS_LABEL_SIZE): Define.
23095 (MAX_LONG_LABEL_SIZE): Define.
23096 (alias_node_t, alias_anchor, alias_number): New.
23097 (mvs_function_table): Reorder for EBCDIC.
23098 (ascebc, ebcasc): Unconditionally define.
23099 (i370_branch_dest, i370_branch_length): New functions.
23100 (i370_short_branch, i370_label_scan): New functions.
23101 (mvs_get_label): Renamed from mvs_add_label. Search for
23102 an existing label before creating a new one.
23103 (mvs_add_label): New function.
23104 (mvs_get_label_page): New function.
23105 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
23106 over the entire list.
23107 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
23108 (mvs_check_page) [TARGET_ELF_ABI]: New function.
23109 (mvs_add_alias, mvs_need_alias): New functions.
23110 (mvs_get_alias, mvs_check_alias): New functions.
23111 (handle_pragma): New function.
23112 (mvs_function_check): New function.
23113 (unsigned_jump_follows_p): Search harder.
23114 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
23115 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
23116 * i370.h (TARGET_VERSION): Delete.
23117 (CPP_SPEC, CPP_PREDEFINES): Delete.
23118 (mvs_label_emitted): Delete.
23119 (TARGET_EBCDIC): Delete.
23120 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
23121 (HANDLE_PRAGMA): Define.
23122 (HARD_REGNO_NREGS): Handle complex modes.
23123 (HARD_REGNO_MODE_OK): Likewise.
23124 (CLASS_MAX_NREGS): Likewise.
23125 (RET_REG): Likewise.
23126 (EXTRA_CONSTRAINT): Define.
23127 (RETURN_IN_MEMORY): True for DImode.
23128 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
23129 (FUNCTION_PROFILER): Delete.
23130 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
23131 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
23132 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
23133 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
23134 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
23135 (ASM_FILE_START): Add "RMODE ANY".
23136 (ASM_OUTPUT_EXTERNAL): Check for aliases.
23137 (ASM_GLOBALIZE_LABEL): Likewise.
23138 (ASM_OUTPUT_LABELREF): Likewise.
23139 (ASM_OUTPUT_COMMON): Likewise.
23140 (PRINT_OPERAND): Handle 'K', 'W', default.
23141 (PRINT_OPERAND_ADDRESS): New.
23142 (Lots of defines): Add support for TARGET_ELF_ABI.
23143 * i370.md (attr length): New. Define for all patterns.
23144 (*): Lots of tweeks to assembly output and constraints.
23146 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
23148 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
23149 Disable patterns performing SImode comparisons with SImode values
23150 if TARGET_POWERPC64 and instruction does not sign-extend or does
23151 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
23152 differ for signed quantities.
23153 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
23154 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
23155 (decrement_and_branch_on_count): Add 64-bit variant.
23157 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23159 * final.c (output_asm_insn): When searching for the matching string
23160 for a given dialect, don't run past the end of the list of
23161 alternatives if there are fewer alternatives in the template than
23164 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
23166 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
23167 Removed paragraph about compression of files and size limitation,
23168 duplicated in the FAQ. Use gcc-patches for posting patches.
23169 * gcc.c (main): Updated URL with bug reporting instructions to
23170 gcc.gnu.org. Removed e-mail address.
23171 * system.h (abort): Likewise.
23173 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23175 * Makefile.in (stmp-multilib-sub): Make the files extracted
23176 from $(LIBGCC1) writable.
23178 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
23180 * config/arm/aout.h: Reformat for improved readability.
23182 * config/arm/arm.h: Reformat for improved readability.
23183 Replace uses of fprintf with asm_fprintf where appropriate.
23184 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
23185 function declaration assembler actions.
23186 (NUM_INTS): New macro: Convert from bytes to words.
23187 (NUM_REGS): New macro: Compute number of registers required to
23188 hold a quanitity of tyep MODE.
23189 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
23191 (NUM_ARG_REGS): New macro: The number of argument registers
23193 (ARG_REGISTER): New macro: Compute the register number of the Nth
23195 (LAST_ARG_REGNUM): New macro: The number of the last argument
23197 (SP_REGNUM): New macro: Register number of the stack pointer.
23198 (FP_REGNUM): New macro: Register number of the frame pointer.
23199 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
23200 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
23201 CUMULATIVE_ARGS so that it counts registers not bytes.
23203 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
23205 Replace uses of fprintf with asm_fprintf where appropriate.
23206 (output_ascii_pseudo_op): Replace with version from thumb.c
23208 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
23210 * config/arm/elf.h (CPP_PREDEFINES): Replace with
23211 SUBTARGET_CPP_SPEC.
23212 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
23213 (ASM_FILE_START): Emit ASM_APP_OFF.
23215 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
23217 * pa.c (compute_frame_size): Round frame according to
23218 STACK_BOUNDARY rather than a hardwired value.
23220 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
23222 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
23224 * configure: Rebuilt.
23226 * configure.in (hppa*-*-linux*): New configuration.
23227 * configure: Rebuilt.
23228 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
23229 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
23230 * pa/pa-linux.h: New file.
23231 * pa/t-linux: New file.
23232 * pa/xm-linux.h: New file.
23234 * pa.c (hppa_legitimize_address): Change references from SImode to
23235 either Pmode or word_mode as appropriate.
23236 (emit_move_sequence, store_reg, load_reg): Likewise.
23237 (set_reg_plus_d, hppa_expand_prologue): Likewise.
23238 (output_mul_insn): Likewise.
23239 * pa.h (PROMOTE_MODE): Likewise.
23240 (INITIALZE_TRAMPOLINE): Likewise.
23241 (Pmode): Define to word_mode.
23243 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
23244 value of 4. Allocate 8 bytes for each FP register save.
23245 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23247 (hppa_expand_prologue): Likewise.
23248 * pa.h (PROMOTE_MODE): Likewise.
23249 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23250 (FUNCTION_ARG_BOUNDARY): Likewise.
23252 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23254 * pa.c (out_of_line_prologue_epilogue): Delete.
23255 (override_options): Remove -mspace related code.
23256 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23257 (compute_frame_size): Only allocate space for register that
23258 actually need to be saved.
23259 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23260 (TARGET_SWITCHES): Remove -mspace, -mno-space
23261 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23262 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23263 * pa/ee.asm, pa/ee_fp.asm: Delete.
23265 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23267 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23268 directive in column zero.
23270 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23272 * m68k.c (output_function_prologue): Fix computation of save mask
23273 when generating PIC code.
23275 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23277 * tree.c (build_type_attribute_variant): Move current_obstack restore
23278 after build_qualified_type call.
23280 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23282 * configure.in: Use t-iris6, even with GNU LD.
23283 * config/mips/iris6gld.h: Fix typo in linker spec.
23284 * config/mips/t-iris6gld: Remove.
23286 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23288 * rs6000.md (insv, extzv): Remove SImode dependence in named
23289 patterns. Explicitly generate DImode RTL if PowerPC64 and
23291 (insvdi): Reverse start and size in instruction template.
23293 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23295 * invoke.texi: Typo fixes.
23297 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23299 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23300 handle at this time instead of silently generating incorrect code.
23301 (gen_imagpart): Likewise.
23303 * reload.c (find_reloads): Emit a USE for a pseudo register without
23304 a hard register if we could not create an optional reload for the
23307 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23309 * c-typeck.c (output_init_element, process_init_element):
23310 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23311 check for nameless bit fields.
23313 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23315 * regclass.c (scan_one_insn): Notice subregs that change the
23316 size of their operand.
23317 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23319 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23321 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23322 * configure: Rebuilt.
23323 * alpha/t-ieee: New file.
23325 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23327 * rs6000.c (find_addr_reg): Do not select r0 as an address
23330 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23332 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23334 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23336 * rs6000.md (movsf): Do not force easy FP constants into memory.
23338 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23339 immed_double_const to ensure they are properly truncated then
23342 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23344 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23345 always unless NO_DEBUG is used. Compile this code
23347 (replace_symbols_in_block): Compile it unconditionally.
23349 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23351 * configure.in (i?86-*-elf*): New target.
23352 * configure: Rebuilt.
23353 * i386/i386elf.h, i386/t-i386elf: New files.
23355 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23357 * toplev.c (main): Don't complain about saying -gdwarf.
23358 (rest_of_compilation): Remove redundant code.
23360 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23362 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23364 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23366 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23367 "Li960R:", to avoid name clash.
23369 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23371 * loop.c (check_dbra_loop): When reversing a loop, delete all
23372 REG_EQUAL notes referencing the reversed biv except those which are
23373 for a giv based on it.
23375 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23377 * version.c: Drop "gcc-" prefix from version #.
23379 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23381 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23382 the label if we're being verbose.
23384 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23386 * m68k.c (output_function_prologue): Add pic register to mask
23387 if live and flag_pic.
23388 (output_function_epilogue): Likewise.
23390 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23392 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23393 directives in column zero.
23395 * pa/elf.h (ASM_FILE_START): Define.
23396 * pa/som.h (ASM_FILE_START): Include .level directives.
23397 * pa/hpux10.h (ASM_FILE_START): Delete.
23398 * pa/hpux11.h (ASM_FILE_START): Delete.
23400 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23402 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23404 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23405 when reload_out equals reload_in.
23407 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23409 * invoke.texi (Spec Files): New node: Describe the contents of
23412 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23414 * invoke.texi (DEC Alpha Options): Put @end table at
23415 beginning of line, to avoid confusing texi2html.
23417 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23419 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23420 introduced in previous delta.
23422 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23424 * reload1.c (gen_reload): When synthesizing a 3 operand add
23425 sequence, improve test for when to reload OP1 into the reload
23426 register instead of OP0.
23428 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23430 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23432 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23434 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23437 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23439 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23440 (va_dcl): Use __builtin_va_alist_t.
23442 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23444 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23445 on the permanent_obstack.
23446 * dwarfout.c (output_type): Likewise.
23448 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23450 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23451 Merged from c-typeck.c and cp/typeck.c.
23452 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23453 Merged into c-common.
23455 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23457 * c-lex.c (errorcount): Declare it.
23458 (finish_parse): Update errorcount when using CPPLIB.
23460 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23462 * fixinc/inclhack.def(end_else_label): Double the backslash so
23463 sed gets a chance to see it.
23464 * fixinc/inclhack.sh: regen
23465 * fixinc/fixincl.x: regen
23467 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23469 Add framework to support armv5 architecture when it becomes
23472 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23473 (arm_arch5): New variable.
23474 (all_architectures): Add armv5 line.
23475 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23476 -march=armv5 is specified on the command line.
23477 (arm_arch5): Export this variable.
23478 * invoke.texi: Document new string accepted by -march= switch for
23481 * config/arm/arm.h: Replace use of constant 12 as a register
23482 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23483 * config/arm/arm.c: Replace use of constant 12 as a register
23484 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23486 * config/arm/elf.h: Tidy up.
23487 * config/arm/coff.h: Tidy up.
23489 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23491 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23492 * gcc/config/mips/t-iris6gld: New file.
23493 * gcc/config/mips/iris6gld.h: Likewise.
23495 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23497 * c-decl.c (widest_integer_literal_type_node,
23498 widest_unsigned_literal_type) : New.
23499 (init_decl_processing): Handle/use the two new types.
23500 * c-common.c (type_for_size,type_for_mode) : Same.
23501 * c-lex.c (yylex) : Same.
23502 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23504 * c-tree.h (widest_integer_literal_type_node,
23505 widest_unsigned_literal_type) : New.
23507 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23509 * dwarfout.c (field_byte_offset): Correctly compute the object's
23510 byte offset for the first bit of a field which crosses an alignment
23511 boundary on a !BYTES_BIG_ENDIAN target.
23513 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23515 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23518 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23519 Jeff Law <law@cygnus.com>
23521 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23524 * except.c: Include intl.h.
23525 (expand_eh_return): Set current_function_cannot_inline.
23526 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23527 * function.h (struct function): Add eh_return_stub_label.
23528 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23529 * Makefile.in (except.o): Depend on intl.h.
23531 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23533 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23534 same as offsettable in cases 1 and 2.
23536 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23538 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23539 (extlh, extwh): Likewise.
23541 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23543 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23545 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23547 * configure.in: Add arm-pe and thumb-pe targets.
23548 * configure: Regenerate.
23550 * thumb.c (arm_naked_function_p): New function: Determines if
23551 a function is naked (has no gcc generated prologue/epilogue).
23552 (is_called_in_ARM_mode): Return true if the func has the
23553 interfacearm attribute.
23554 (output_return): Do not generate a return for naked functions.
23555 (thumb_function_prologue): Do not generate a prologue for
23557 (thumb_expand_prologue): Do not generate a prologue for naked
23559 (thumb_expand_epilogue): Do not generate an epilogue for naked
23561 (arm_valid_machine_decl_attribute): New function, copied from
23562 arm.c: Permit naked and interfacearm attributes.
23564 * config/arm/pe.c: New file: Support code for arm-pe target.
23565 * config/arm/pe.h: New file: Header file for arm-pe target.
23566 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23567 * config/arm/t-thumb-pe: New file: Makefile fragment for
23570 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23572 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23573 -fPIC or -fpic is specified.
23575 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23577 * expr.c (emit_block_move): Use copy_to_mode_reg for
23578 !TARGET_MEM_FUNCTIONS case too.
23580 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23582 * configure: Rebuilt.
23583 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23584 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23585 definitions made redundant by dbxelf.h inclusion. Delete
23586 lots of definitions related to assembly output that are
23587 specific to the SOM object format.
23588 * pa.c (output_function_prologue): Do not emit the function's
23590 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23591 * pa-pro.h: Deleted.
23592 * som.h: New file with SOM specific definitions.
23593 * elf.h: New file with ELF specific definitions.
23595 * elfos.h (const_section): Output a tab before assembler directives.
23596 (ctors_section, dtors_section): Likewise.
23597 (ASM_OUTPUT_SECTION_NAME): Likewise.
23599 * pa/pa1.h: Delete unused file.
23601 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23603 * configure.in (hppa*-hp-hpux11*): New configuration.
23604 * configure: Rebuilt.
23605 * pa/pa-hpux11.h: New file.
23606 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23609 * mips.md (leasi, leadi): New patterns.
23611 * expr.c (emit_block_move): Properly handle case where one of the
23612 block move arguments has a queued increment or decrement.
23613 (clear_storage): Similarly. Fix formatting goof.
23615 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23617 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23618 semicolon from the BSD VA_LIST replacement expression.
23620 * fixinc/inclhack.sh: regen
23621 * fixinc/fixincl.x: regen
23623 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23624 now use the fixincl program.
23626 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23628 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23629 case. Also make the PIC register call_used.
23631 * m68k.h (FINALIZE_PIC): Delete.
23632 * m68k.c (finalize_pic): Delete.
23634 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23636 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23639 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23641 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23643 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23645 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23647 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23649 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23651 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23653 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23655 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23657 * rs6000.c (output_toc): Always use hex values for floating-point
23658 constants. Store single-precision values in upper-half of TOC
23659 entry in 64-bit mode.
23660 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23661 to final constraints.
23662 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23663 (fctiwz): Improve accuracy of RTL for pattern.
23665 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23667 * expr.c (expand_expr): Allow RTL_EXPR's through the
23668 MAX_INTEGER_COMPUTATION_MODE checks.
23670 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23672 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23673 such that MASK_SUPPORT_ARCH is not negative.
23675 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23677 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23678 ADDR_DIFF_VEC insns that appear inside loops.
23680 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23681 Jeff Law <law@cygnus.com>
23683 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23684 Handle LO_SUM the same as offsettable in cases 1 and 2.
23685 * rs6000.c (find_addr_reg): Revert previous patch.
23687 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23689 * system.h (strstr): New external function declaration.
23690 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23691 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23692 * config.in, configure: Rebuilt.
23694 1999-06-24 Tom Tromey <tromey@cygnus.com>
23696 * gcc.c (main): Read user-specified specs files after computing
23697 additional startfile_prefixes.
23699 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23701 Revert these two patches:
23703 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23704 * loop.c (strength_reduce): When doing biv->giv conversion, update
23705 reg note of NEXT->insn.
23707 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23708 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23710 (recombine_givs): Set ix field after sorting.
23712 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23714 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23715 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23717 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23719 *fixinc/inclhack.def: Add fix development commentary
23720 (read_ret_type): reactivate and add selection clause
23721 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23722 *fixinc/{fixincl.x|inclhack.sh}: regen
23724 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23726 * expr.c (expand_expr): STRIP_NOPS before checking against
23727 MAX_INTEGER_COMPUTATION_MODE
23728 (check_max_integer_computation_mode): Likewise.
23730 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23732 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23734 1999-06-22 Jim Wilson <wilson@cygnus.com>
23736 * expr.c (store_expr): When target is a promoted subreg, return a
23737 promoted subreg as a result.
23739 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23741 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23743 (dwarf2out_define): Mark unused parameters appropriately.
23744 (gen_unspecified_parameters_die): Ditto.
23745 (gen_subprogram_die): Fix signed/unsigned warnings.
23746 (gen_variable_die): Ditto.
23748 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23750 * fixinc/inclhack.def(end_else_label): combined else_label
23751 and endif_label and fixed the sed expression.
23752 *fixinc/{fixincl.x|inclhack.sh}: regen
23754 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23756 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23757 'x' when handling non-offsettable addresses
23759 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23761 * final.c (shorten_branches): Don't try to split an insn that has
23764 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23766 * config/mips/mips.c (symbolic_expression_p): New function.
23767 (mips_select_rtx_section): Put symbolic expressions in the
23768 data section, not the read-only data section.
23770 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23772 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23774 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23776 * collect2.c (main): Log frame table count.
23777 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23778 (scan_prog_file) [COFF]: Handle frame tables.
23780 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23781 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23782 * alpha/elf.h: Undef them again.
23783 * alpha/vms.h: Remove their definitions.
23785 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23787 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23788 remove the clobber of r0 and change the REG_UNUSED note to
23791 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23793 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23794 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23795 fits in HOST_WIDE_INT and one uses union to access a long constant
23798 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23800 * sparc.c (sparc_override_options): Don't allow profiling for
23801 code models other than medlow.
23802 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23803 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23804 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23805 (sparc_block_profiler): Likewise.
23806 (sparc_function_block_profiler_exit): Likewise.
23807 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23808 (FUNCTION_BLOCK_PROFILER): Likewise.
23809 (BLOCK_PROFILER): Likewise.
23810 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23811 (MCOUNT_FUNCTION): New.
23812 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23813 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23814 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23815 (MCOUNT_FUNCTION): New.
23816 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23817 (BLOCK_PROFILER): Delete.
23818 (MCOUNT_FUNCTION): New.
23820 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23822 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23824 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23826 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23829 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23832 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23835 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23838 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23840 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23843 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23845 * i386/djgpp.h (LIB_SPEC): New.
23846 (STARTFILE_SPEC): New.
23848 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23850 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23852 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23855 * system.h (WSTOPSIG): New macro.
23857 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23859 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23861 (insert_pack_attributes): Take into account member natural
23864 * i386/winnt.c (exports_head): New static variable.
23865 (i386_pe_record_exported_symbol): New function.
23866 (i386_pe_asm_file_end): Use.
23867 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23868 symbols to be emitted at end of assembly.
23869 (ASM_DECLARE_OBJECT_NAME): Likewise.
23870 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23872 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23875 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23877 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23880 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23882 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23883 zapping reg_last_uses directly.
23884 (sched_analyze_2, sched_analyze_insn): Likewise.
23885 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23887 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23889 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23890 attributes for cases 1 and 2.
23892 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23894 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23897 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23899 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23901 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23903 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23904 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23905 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23906 must be stacked if it is used for PIC accesses.
23907 * arm.c (use_return_insn): Handle PIC register specially.
23908 (output_return_instruction): Likewise.
23909 (output_func_{prologue,epilogue}): Likewise.
23910 (output_expand_prologue): Likewise.
23912 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23913 (*strsi_predec): Renamed from *strqi_predec.
23914 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23915 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23917 * arm.c (arm_override_options): Remove warning about PIC code
23918 not being supported.
23920 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23922 * rs6000.c (find_addr_reg): New function.
23923 * rs6000.h (find_addr_reg): Declare.
23924 (offsettable_addr_operand): Delete.
23925 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23926 from and stores to GPRs.
23928 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23930 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23931 gen_sequence as argument to emit_no_conflict_block.
23933 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23935 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23936 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23937 *fixinc/fixincl.x: regen
23938 *fixinc/inclhack.sh: regen
23940 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23942 * added support for -mpcrel (PC relative addressing for m68k)
23943 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23944 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23945 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23946 (comments for general_src_operand): Add some explanation
23947 about EXTRA_CONSTRAINTS.
23948 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23949 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23950 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23951 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23952 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23953 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23954 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23955 if not already set.
23956 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23957 * m68k.h (TARGET_PCREL): New target flag.
23958 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23959 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23960 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23961 contains a SYMBOL_REF. Relax this constraint during reload, since
23962 we want to use the predicates, not reload's built-in concept of a
23963 valid memory address, to control what insns need reloading.
23964 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23965 operands (essentially 'g', 'm', and 's' under normal circumstances).
23966 * m68k.c (print_operand): Cause printing of pc-relative addresses
23967 to include pc register.
23968 (print_operand_address): Ditto.
23969 (general_src_operand): Accept operands that are not only
23970 general_operands, but are also valid when used as a pc-relative
23972 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
23973 (memory_src_operand): Similar, for memory_operands.
23974 (pcrel_address): New predicate to accept the special case of a
23975 pc-relative address.
23976 * m68k.md (many patterns): Rewrite common SImode, HImode, and
23977 QImode insns to accept *_src_operand instead of *_operand where
23978 pc-relative operands can fit. For example, a pc-relative operand
23979 can be used as a memory source operand for addsi3, but not as a
23980 memory destination.
23981 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
23983 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
23985 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
23986 .thumb_set pseudo op to mark aliases of thumb functions.
23988 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
23990 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
23991 preference to ASM_OUTPUT_DEF, if it is defined.
23993 * tm.texi: Document new, optional target macro
23994 ASM_OUTPUT_DEF_FROM_DECLS.
23996 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23998 * fixincludes: ISCNTL patch
23999 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
24000 (dgux_int_varargs): new for DG/UX
24001 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
24003 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
24005 * invoke.texi (ia32 options): Fix typo.
24007 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24009 * loop.c (strength_reduce): When doing biv->giv conversion, update
24010 reg note of NEXT->insn.
24012 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
24014 * loop.c (move_movables): Note issues with replacing REGs with
24016 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
24018 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
24020 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
24022 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
24023 the reference to `mcount' was not correct for the ELF on FreeBSD.
24025 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24027 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24030 (recombine_givs): Set ix field after sorting.
24032 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
24034 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
24035 to safe to extract a subword out of a REG.
24037 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24039 * sh.md (mulsi3): Don't add a no-op move at the end.
24041 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24043 * cse.c (cse_insn): Don't put hard register source into tables for
24044 the last insn of a libcall.
24046 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24048 * loop.c (strength_reduce): Insert sets of derived givs at every
24049 biv increment, even if it's the only one.
24051 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
24053 * dwarfout.c (add_incomplete_type): New fn.
24054 (output_type): Call it.
24055 (retry_incomplete_types): New fn.
24056 (dwarfout_finish): Call it.
24058 From Eric Raskin <ehr@listworks.com>:
24059 (output_type): Output types for bases.
24061 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24063 * mips.c (mips_output_conditional_branch): Add `break'
24064 between `default' label and `close braces'.
24066 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
24068 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
24069 specifications and make it realistic.
24070 (LIB_SPEC): Likewise.
24072 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
24074 * config/mips/mips.c (mips_secondary_reload_class): Check for
24075 (PLUS (SP) (REG)) and return appropriate register class.
24076 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
24077 Handle (PLUS (SP) (REG)).
24078 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
24079 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
24080 of emit_insn for tablejump.
24082 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
24084 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
24085 asm_fprintf format string by itself.
24086 (output_function_profiler): Likewise.
24088 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
24090 * combine.c (simplify_logical, case AND): Only call
24091 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
24092 or the constant is positive.
24094 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
24096 * configure.in: Fix typo in rs6000-ibm-aix4 case.
24097 * configure: Regenerate.
24099 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
24101 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
24102 require a sub-version #.
24103 * configure: Rebuilt.
24105 1999-06-14 Robert Lipe (robertlipe@usa.net)
24107 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
24109 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
24111 * c-typeck.c (process_init_element): Detect excess elements in
24112 char array initializer.
24114 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24116 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
24118 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24120 * invoke.texi (Option Summary): Add -fpermissive flag.
24122 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
24124 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
24125 that require PIC code sequences.
24127 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
24129 * configure.in: Add new target: thumb-elf.
24130 * configure: Regenerate.
24131 * config/arm/t-thumb-elf: New file: Makefile fragment for
24133 * config/arm/telf.h: New file: Header file for thumb-elf
24136 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
24138 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
24139 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
24140 initializers is some circumstances.
24142 * fixinc/inclhack.def (endif_label): Add additional selector for
24143 more bogus stuff after #endif statements.
24144 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
24146 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
24148 * i386/cygwin.h (SET_ASM_OP): Define.
24150 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
24152 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
24154 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24156 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
24159 * sh.md (ic_invalidate_line_i): Remove second alternative.
24161 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24163 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
24164 test for the presence of valid prototypes. Delete bypass expr.
24165 (ioctl_fix_ctrl): Correct the selection expression.
24166 (no_double_slash): Correct quoting rules
24167 *fixinc/fixincl.x: regen
24168 *fixinc/inclhack.sh: regen
24170 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
24172 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
24174 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24176 * rs6000.md (movsi_got_internal_mem): Delete.
24177 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
24178 (GOT_TOC_REGNUM): Delete.
24179 (PIC_OFFSET_TABLE_REGNUM): Define.
24180 (FINALIZE_PIC): Disable.
24181 * rs6000.c (rs6000_got_register): New code for fixed pic register.
24182 (rs6000_replace_regno): Delete.
24183 (rs6000_finalize_pic): Likewise.
24184 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
24186 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24188 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
24189 is a note; use <= for the compare; advance P while it is
24192 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
24194 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
24195 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
24197 * varasm.c (remove_from_pending_weak_list): Verify t->name
24198 is non-NULL before passing it to strcmp.
24200 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24202 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
24203 the typed arguments are not part of a comment
24204 (ioctl_fix_ctrl): Added a purpose comment
24205 *fixinc/fixincl.x: regenerate
24206 *fixinc/inclhack.sh: regenerate
24208 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24210 * invoke.texi: Add C4x invocation docs.
24212 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24214 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
24216 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
24218 (c4x_legitimize_reload_address): New function.
24219 * config/c4x/c4x.md: Update docs.
24221 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
24223 * fixincludes: Avoid removing '.'.
24224 * fixinc/fixinc.svr4: Likewise.
24225 * fixinc/fixinc.winnt: Likewise.
24226 * fixinc/inclhack.tpl: Likewise.
24227 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
24229 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24231 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
24233 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
24235 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
24237 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
24240 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
24242 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
24243 * configure: Regenerate.
24245 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24247 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24250 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24252 * fixinc/inclhack.def (avoid_bool): Also catch
24253 "typedef [unsigned] int bool".
24254 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24256 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24257 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24258 * configure: Rebuilt.
24260 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24262 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24263 such that we can override its definitions if necessary.
24264 (CPP_SPEC): New define. Support processor specific predefines via
24266 (CC1_SPEC): New define. Support processor specific compiler
24267 options via %(cc1_cpu).
24268 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24271 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24273 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24274 between sed's -e flag, and the open-quote following it.
24275 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24277 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24278 Jeffrey A Law (law@cygnus.com)
24280 * varasm.c (assemble_start_function): Remove the function
24281 from the pending weak decls list when we define a function.
24282 (assemble_variable): Similarly for variables.
24283 (weak_finish): Ignore items on the list with a NULL name.
24284 (remove_from_ending_weak_list); New function to "remove" an item
24285 from the pending weak declarations list.
24287 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24289 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24291 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24293 * c-lex.c (GETC): Redefine to call getch.
24294 (UNGETC): Redefine to call put_back.
24295 (putback_buffer): New structure type.
24296 (putback): New static structure.
24297 (getch): New function.
24298 (put_back): New function.
24299 (yylex): Replace unused bytes from bad multibyte character.
24301 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24303 * cpplib.c (do_define): Cast `alloca' return value.
24304 (do_include, do_undef, do_pragma): Likewise.
24305 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24307 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24308 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24310 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24312 * sparc.md (abstf2): This should be an expand.
24313 (split after abstf2_notv9): Fix mode.
24314 (abstf2_hq_v9): New pattern.
24315 (abstf2_v9): Only use when no hard quad.
24316 (absdf2_v9): Fix if target is not the same as source.
24317 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24318 Add correct output constraints.
24320 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24322 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24323 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24325 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24327 * mips.h (mips_output_conditional_branch): New function.
24328 (mips_adjust_insn_length): Likewise.
24329 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24330 (ADJUST_INSN_LENGTH): Likewise.
24331 * mips.c (print_operand): Add `F' and `W' for floating-point
24332 comparison opcodes.
24333 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24335 (mips_adjust_insn_length): New function.
24336 (mips_output_conditional_branch): New function.
24337 * mips.md (length): Adjust attribute definition to handle
24338 conditional branches. Change lengths to bytes, rather than
24339 instructions throughout. Remove length attribute from
24340 instructions whose length is four bytes, and rely on the default
24342 (dslot): Fix typo in comment.
24343 Reword conditional branch patterns to use
24344 mips_output_conditional_branch.
24346 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24348 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24349 (LIB_SPEC): Likewise.
24350 Link with -lprof1_r for -g/-pg.
24352 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24354 * loop.c (check_dbra_loop): Fix change of Jan 19.
24356 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24358 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24359 (STARTFILE_SPEC): Define, override the svr4.h version.
24360 (ENDFILE_SPEC): Likewise.
24362 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24364 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24365 * fixinc/fixincl.x: Regenerated.
24366 * fixinc/inclhack.sh: Regenerated.
24368 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24370 * sh.c (barrier_align): Don't return early for normal branch/barrier
24371 when optimizing for SH2.
24373 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24375 * i386/udk.h (LINK_SPEC): Correct linker search path for
24378 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24380 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24381 (braf_label_ref_operand): Delete.
24382 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24383 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24384 label_ref, and has no predicate.
24385 The patten has a predicate to guard against invalid substitutions.
24386 (dummy_jump): Delete.
24387 (casesi): Update use of casesi_jump_2.
24389 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24391 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24392 *fixinc/fixincl.x: regenerate
24393 *fixinc/inclhack.sh: regenerate
24395 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24397 * dwarf2out.c (add_incomplete_type): New fn.
24398 (gen_struct_or_union_type_die): Call it.
24399 (retry_incomplete_types): New fn.
24400 (dwarf2out_finish): Call it.
24402 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24404 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24405 current block starts with a CODE_LABEL and ends with a CALL and
24406 we can not find all the argument setup instructions for the CALL.
24408 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24410 Revert this change:
24411 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24412 something is a candidate for optimize_bit_field_compare.
24414 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24416 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24418 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24420 * alpha.c (override_options): Thinko in last patch.
24422 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24423 (LIB_SPEC): Recognize -pthread.
24425 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24427 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24428 definition in config/arm/coff.h
24429 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24431 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24433 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24434 fixes that need "file=xxx\n" prepended before invocation
24435 (start_fixer - new): starting the fixer process is complex enough
24436 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24437 (process): uses the new routine; omit usage of putenv()
24438 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24439 * fixinc/fixincl.x: regenerate
24441 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24443 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24444 and version #s (1.1 -> 2.96) as needed.
24445 * README.g77: Kill way out of date file in the toplevel directory.
24447 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24449 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24450 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24451 * configure: Rebuilt.
24452 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24453 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24454 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24455 (SWITCH_TAKES_ARG): Likewise.
24456 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24457 * config/t-freebsd: Moved from config/i386/ so it can used for all
24460 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24462 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24464 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24466 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24467 * configure: Rebuilt.
24469 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24471 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24472 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24473 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24474 (rs6000_output_load_toc_table): Same.
24475 (output_prolog, output_mi_thunk): Same.
24476 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24477 (ASM_GLOBALIZE_LABEL): Use putc.
24479 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24481 * alpha.md (reload_*_help): New patterns and splitters.
24482 (reload_*): Use them.
24483 (mov[qh]i): Likewise.
24485 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24487 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24490 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24492 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24494 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24496 * flow.c (mark_regs_live_at_end, insn_dead_p,
24497 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24498 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24499 hasn't run or the frame pointer is needed.
24500 * haifa-sched.c (attach_deaths): Likewise.
24501 * sched.c (attach_deaths): Likewise.
24503 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24505 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24506 calculate_can_reach_end returns nonzero.
24508 * configure.in (native gas tests): Search for an assembler in the
24509 same manner that the installed compiler will.
24510 * configure: Rebuilt.
24511 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24513 * alias.c (find_base_term): Improve handling of addresses
24514 constructed from binary operations.
24516 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24518 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24520 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24522 * function.h (cleanup_label, frame_offset): Declare.
24523 (tail_recursion_label, tail_recursion_reentry): Likewise.
24524 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24525 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24526 (tail_recursion_label, tail_recursion_reentry): Likewise.
24527 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24529 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24531 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24533 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24534 (MAX_OFILE_ALIGNMENT): Define.
24536 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24538 * fixincl.c: Replace local include scheme with #includes of
24539 gansidecl.h and system.h.
24540 * procopen.c: Likewise.
24541 * server.c: Likewise.
24543 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24545 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24546 (crti.o): Add build rule and dependencies.
24547 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24549 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24551 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24552 (LIB_LINUX_SPEC): Likewise.
24553 (LIB_LINUX_SPEC): Add support for -pthread
24554 (CPP_OS_LINUX_SPEC): Likewise.
24555 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24558 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24560 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24562 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24563 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24564 for IEEE math and CC_FCOMI.
24565 (put_jump_code): No IEEE if CC_FCOMI is set.
24567 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24569 * fold-const.c (fold_truthop): Make the field reference unsigned
24570 when converting a single bit compare.
24572 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24574 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24576 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24578 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24579 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24582 * reload.c (push_reload): Do not call remove_address_replacements
24583 when presented with identical optional reloads.
24585 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24587 * alpha.h (MASK_FIX, TARGET_FIX): New.
24588 (MASK_*): Reorganize constants.
24589 (CPP_AM_FIX_SPEC): New.
24590 (TARGET_SWITCHES): Add FIX.
24591 (EXTRA_SPECS): Likewise.
24592 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24593 (SECONDARY_MEMORY_NEEDED): Likewise.
24594 (REGISTER_MOVE_COST): Likewise.
24595 * alpha.c (override_options): Add FIX support. Always use
24596 ALPHA_TP_PROG for ev6.
24597 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24598 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24599 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24601 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24603 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24604 something is a candidate for optimize_bit_field_compare.
24606 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24608 * gcc.texi (Passes): Document branch-shortening.
24609 * invoke.texi (Debugging Options): Document the fact that `-dp'
24610 outputs length information for instructions.
24612 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24614 * flow.c: Revert previous delta.
24616 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24618 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24619 FRAME_POINTER_REGNUM.
24620 (mark_set_1): Ditto.
24621 (mark_used_regs): Ditto.
24623 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24625 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24626 (GOT_PCREL): New macro. Define to 1 if not already defined.
24627 * arm/elf.h (GOT_PCREL): Define to 0.
24628 * arm.c (arm_finalize_pic): Take into account the setting of
24631 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24633 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24634 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24636 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24637 store elimination candidates.
24639 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24641 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24644 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24646 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24647 Add use of x-aix41-gld.
24649 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24651 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24652 (ASM_OUTPUT_DESTRUCTOR): Define.
24654 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24656 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24657 last CODE_LABEL in a loop if we have previously passed a jump
24658 to the top of the loop.
24660 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24662 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24663 applying Philip's patch.
24665 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24667 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24670 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24672 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24674 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24676 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24677 Also remove a useless comment.
24679 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24681 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24683 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24685 * collect2.c (main): Only generate import or export file and add
24686 to link arguments if non-empty. Use xmalloc not alloca.
24687 (write_{export,import}_file): Delete.
24688 (write_aix_file): New function.
24689 (locatelib): Use xmalloc not malloc.
24690 (GCC_OK_SYMBOL): Do not check type if aix64.
24692 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24694 Based on patch by Scott Bambrough and Pat Beirne:
24695 * config/arm/arm.c (making_const_table): New variable.
24696 * config/arm/arm.h (making_const_table): Declare.
24697 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24699 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24700 Keep track of when we are building the constant table.
24702 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24704 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24707 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24709 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24712 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24714 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24717 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24719 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24721 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24723 * rs6000.c (output_mi_thunk): Enable full support again.
24725 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24727 * sh.h (BRANCH_COST): Define.
24729 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24731 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24733 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24735 * function.c (assign_stack_local): Align stack slot propertly.
24736 (assign_outer_stack_local): Likewise.
24738 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24740 * expr.h (lang_expand_constant): Declare.
24741 * toplev.c (lang_expand_constant): Define it.
24742 * varasm.c (output_constant): Use it.
24744 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24746 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24747 Change function definitions to K&R style.
24749 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24751 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24753 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24755 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24756 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24757 (several places): omit static initialization
24758 (process): use single fd, since only the read fd is used
24759 * fixinc/gnu-regex.c: define 'const' away, if not supported
24760 * fixinc/procopen.c(several places): omit static initialization
24761 * fixinc/server.c: define 'volitile' away, if not supported
24763 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24765 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24766 asm_fprintf and %L to generate the label name.
24767 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24768 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24770 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24772 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24773 insn for a conditional jump can not be found.
24775 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24777 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24778 on variables in specific sections other than .sbss and .sdata.
24780 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24782 * stmt.c (expand_return): Call start_cleanup_deferral and
24783 end_cleanup_deferral around conditional code.
24785 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24787 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24788 filename lists. Utilizes new "krstr" AutoGen function.
24789 * fixinc/fixincl.x: Rebuilt.
24791 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24793 * i386.c (output_float_compare): Avoid GNU-C extensions.
24795 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24797 * version.c: Bump to distinguish mainline tree from the
24800 See ChangeLog.1 for earlier changes.