1 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * Makefile.in (ggc-page.o): Now includes toplev.h.
4 * ggc-page.c (toplev.h): Now included.
5 (gc_time): Remove declaration.
6 (ggc_collect): TIME now long.
7 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
9 * toplev.h (gc_time, parse_time, gc_time): New declarations.
11 * toplev.c: Make *_time variable long to reduce chance of overflow.
12 (TIMEVAR): Likewise for `otime'.
13 (print_time): Arg is now long; compute percentage in FP and round.
14 * toplev.h (print_time): Arg is long.
16 * tree.c: Minor whitespace changes.
18 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
20 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
21 (__fixunsxfDI): Renamed from __fixunsxfdi.
22 (__fixunsdfDI): Renamed from __fixunsdfdi.
23 (__fixunssfDI): Renamed from __fixunssfdi.
24 (__floatdisf): Use proper type in REP_BIT macro.
25 (__fixunsxfSI): Renamed from __fixunsxfsi.
26 (__fixunsdfSI): Renamed from __fixunsdfsi.
27 (__fixunssfSI): Renamed from __fixunssfsi.
28 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
29 Change location of macros and upper-case some names as above.
30 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
31 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
33 * varasm.c (assemble_variable): Add cast to remove warning.
34 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
36 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
37 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
40 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
42 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
45 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
47 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
49 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
50 Use .s1 not .s0 for all FP instructions.
52 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
54 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
56 (safe_fwrite, output_line_command): New static functions.
57 (cpp_expand_to_buffer): Now private to cpplib.
58 (cpp_scan_buffer): Take a printer.
60 * cpphash.h: Update prototypes.
61 * cpplib.h: Update prototypes.
63 (cpp_buffer): Remove last_nominal_fname.
64 (cpp_reader): Remove lineno.
66 * cppmain.c: Use a cpp_printer.
67 * fix-header.c: No need to inhibit line commands. Call
68 cpp_start_read with no printer.
70 * cpperror.c (cpp_notice_from_errno): Provide default name.
71 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
72 (find_include_file, cpp_read_file): Use make_IHASH.
73 (file_cleanup): Set control_macro and clear
74 input_stack_listing_current here.
75 (_cpp_execute_include): Don't output entering-file marker.
76 * cpphash.c (special_symbol): Look for the line number in the
77 buffer, not the reader.
78 (_cpp_macroexpand): No need to disable line commands.
79 (_cpp_dump_definition): No need to generate line commands.
80 (dump_hash_helper): Remove excess newline from output.
81 * cppinit.c (dump_special_to_buffer): No need to generate line
83 (cpp_printer_init): New.
84 (cpp_start_read): Take a printer, and start it up if it's not
85 NULL. No need to generate line commands.
86 (cpp_finish): Expect no buffers stacked at all. Take a
87 printer argument, and flush the output buffer if it's not
89 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
90 Don't put two hashes at the beginning of an assertion.
91 (cpp_get_token): Don't increment pfile->lineno or emit line
92 commands here. Return EOF if there's no buffer when we get
94 * cpplib.c (do_define, skip_if_group):
95 No need to disable line commands.
96 (_cpp_output_line_command): Delete function.
97 (do_line): Don't emit line commands here, but set things up so
98 they will be emitted if necessary. Use _cpp_fake_ihash to
99 make unique nominal_fnames if necessary.
100 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
101 with 0 for column, not -1.
102 (_cpp_handle_eof): Don't set the control macro here. Don't
103 clear input_stack_listing_current here. Don't emit line
106 2000-04-14 Geoff Keating <geoffk@cygnus.com>
108 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
109 always, use the default SVR4 start address.
111 * config/rs6000/linux.h (LINK_SPEC): Don't define.
112 (LINK_SHLIB_SPEC): Define.
113 (LINK_START_DEFAULT_SPEC): Define.
114 (LINK_OS_DEFAULT_SPEC): Define.
116 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
118 * config/rs6000/eabi.asm (__eabi): Call __init rather than
119 __do_global_ctors to handle constructors.
120 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
121 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
122 (STARTFILE_MVME_SPEC): Likewise.
123 (STARTFILE_SIM_SPEC): Likewise.
124 (ENDFILE_ADS_SPEC): Use crtend.
125 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
126 (ENDFILE_MVME_SPEC): Likewise.
127 (ENDFILE_SIM_SPEC): Likewise.
128 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
129 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
130 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
131 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
132 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
133 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
134 (CRTSTUFF_T_CFLAGS_S): Define.
135 * config/rs6000/eabi-ctors.c: Delete.
137 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
140 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
144 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
146 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
147 plus mask size is smaller or equal to the mode size.
149 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
151 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
154 * expr.c (reload.h): Now included.
155 (emit_block_move): Set volatile_ok when checking for movstr.
156 (emit_move_1): Check for replacements in addresses in multi-word case.
157 * Makefile.in (expr.o): Now includes reload.h.
159 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
160 Never have a LIBCALL end a basic block.
161 (find_basic_blocks_1): Likewise.
162 Reorganize CALL_INSN cases.
164 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
166 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
168 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
169 completers from mov.ret instruction.
171 2000-04-14 Richard Henderson <rth@cygnus.com>
173 * fold-const.c (extract_muldiv): Don't distribute and widen
174 multiply across plus for non-sizetype unsigned types.
176 2000-04-14 Richard Henderson <rth@cygnus.com>
178 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
179 If the original source is dead in the incr insn, it's dead now.
181 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
183 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
184 see if DECL_BIT_FIELD needs to still be set.
186 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
188 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
189 print_int_cst_octal with something that's not an INTEGER_CST.
191 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
192 and not a SUBREG to a FLOAT rtl.
194 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
196 * emit-rtl.c (try_split): Avoid infinite loop if the split
197 results in a sequence that contains the original insn.
199 2000-04-13 Andreas Jaeger <aj@suse.de>
201 * config/mips/mips.c (expand_block_move): Pass alignment
202 argument to move_by_pieces in bits, not bytes.
204 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
205 __pic__ for little endian.
207 2000-04-13 Andreas Jaeger <aj@suse.de>
209 * config/i386/i386-protos.h: Add prototype for
210 uno_comparison_operator.
212 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
214 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
215 * calls.c (ECF_PURE): New flag.
216 (emit_call_1): Handle ECF_PURE calls.
217 (initialize_argument_information): Unset ECF_PURE flag too.
218 (precompute_arguments): Precompute for ECF_PURE too.
219 (expand_call): Handle ECF_PURE calls too.
220 (emit_library_call_value_1): Rename no_queue argument to fn_type,
221 accept value of 2 as pure function.
222 (emit_library_call_value, emit_library_call): Rename no_queue argument
224 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
226 * tree.h (DECL_IS_PURE): New macro.
227 (struct tree_decl): Add pure_flag.
228 * c-common.c (enum attrs): Add attribute "pure".
229 (init_attributes): Initialize attribute "pure"
230 (decl_attributes): Handle attribute "pure".
231 * extend.texi (Attribute "pure"): Document.
232 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
234 (flags_from_decl_or_type): Support attribute "pure".
236 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
238 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
239 the token except for numbers and identifiers.
241 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
243 * i386.c (ix86_expand_binary_operator,
244 ix86_expand_unary_operator): Check no_new_pseudos
245 instead of reload_in_progress and reload_completed.
246 (ix86_split_ashldi, ix86_split_ashrdi,
247 ix86_split_lshrdi): Check no_new_pseudos instead
250 2000-04-12 Jeffrey A Law (law@cygnus.com)
252 * function.c (purge_addressof): Unshare any shared rtl created by
253 purge_addressof and its children.
255 2000-04-12 Mark Mitchell <mark@codesourcery.com>
257 * function.c (aggregate_value_p): VOID_TYPE nodes are never
260 2000-04-05 Andreas Jaeger <aj@suse.de>
262 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
263 not compiling PIC code, add flags for mabi=64.
264 (SUBTARGET_CPP_SIZE_SPEC): New.
265 (SUBTARGET_CPP_SPEC): New.
266 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
267 for MIPS/Linux and lots of code needs these defines.
269 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
271 * reorg.c (fill_slots_from_thread): Check side_effects_p when
272 trying the "opposite arithmetic" approach.
274 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
276 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
277 (struct sh_args): Add new field force_mem.
278 (INIT_CUMULATIVE_ARGS): Initialize it.
279 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
281 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
283 * calls.c (expand_call): Do not reverse args in "equal from" field.
284 (emit_library_call_value_1): Emit_libcall_block for const and pure
287 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
289 * reload1.c (reload_combine): Don't enable optimization for fixed
290 registers when encountering a BARRIER.
292 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
294 * builtins.c (expand_builtin_memcmp): Do expansion even with
295 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
297 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
298 stack is propertly aligned; add sanity checking for aligned
300 (expand_library_call_value_1): Add sanity checking for aligned
303 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
305 * calls.c (emit_library_call_value_1): Change 3rd arg to
306 locate_and_pad_parm to disregard the setting of partial.
308 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
310 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
312 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
313 CALL_INSN from the normal case.
315 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
317 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
318 New global variables.
319 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
321 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
323 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
324 TARGET_ADD_ESP_8): New macros.
325 * i386.md: Add peep2s to convert esp adjustments to push and pop
327 (pushsi_prologue, popsi_epilogue): New patterns.
329 2000-04-12 Jakub Jelinek <jakub@redhat.com>
331 * real.c (toe64): Remove stale #endif from the last change.
333 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
335 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
336 * real.c (toe64): Revert previous change.
338 2000-04-12 Jakub Jelinek <jakub@redhat.com>
340 * objc/objc-act.c: Include ggc.h.
341 (objc_tree_index, objc_global_trees): Convert most of the
342 static tree variables into a static array with previous names
344 (objc_ellipsis_node): New variable.
345 (lang_init): Call objc_act_parse_init and c_parse_init.
346 Create objc_ellipsis_node.
347 (build_selector_translation_table): Use objc_ellipsis_node instead
349 (hack_method_prototype): Likewise.
350 (get_arg_type_list): Likewise.
351 (start_method_def): Likewise.
352 (continue_method_def): Likewise.
353 (gen_method_decl): Likewise.
354 (ggc_mark_imp_list): New function.
355 (ggc_mark_hash_table): New function.
356 (objc_act_parse_init): New function.
357 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
358 * c-parse.in (c_parse_init): For objc add roots of objc specific
359 local tree variables.
360 * objc/objc-parse.y: Rebuilt.
361 * objc/objc-parse.c: Rebuilt.
362 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
364 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
366 * cse.c (delete_trivially_dead_insns): Also delete insns
367 that copy a register to itself where the destination is
370 2000-04-11 Richard Henderson <rth@cygnus.com>
372 * flow.c (struct propagate_block_info): Add new_dead, new_live.
373 (propagate_block): Initialize them. Use them in parallel instead
374 of one tmp variable, ie revert much of the 0408 and 0407 functional
375 changes, but keep the structural changes.
376 (mark_set_regs): Take new_dead from propagate_block_info instead.
377 (mark_set_1, mark_set_reg): Likewise.
378 (mark_used_regs): Likewise with new_live.
379 (mark_used_reg): Likewise. Revert 0408 change.
381 2000-04-11 Nick Clifton <nickc@cygnus.com>
383 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
385 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
387 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
389 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
390 const section to output a CONSTRUCTOR based on the same conditions
393 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
395 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
396 * pa/pa-protos.h (output_call): Add additional argument indicating
397 if the call is a sibling/tail call.
398 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
399 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
400 (function_arg, function_arg_partial_nregs): Likewise
401 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
402 (emit_move_sequence): Zero extend certain constants as needed
404 (compute_zdepdi_operands, output_64bit_and): New functions.
405 (output_64bit_ior, function_arg): Likewise.
406 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
407 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
408 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
409 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
410 (output_bvb): Likewise.
411 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
412 (output_call): New argument 'sibcall'. Generate sibcall sequences
414 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
415 (ouput_arg_descriptor): Do not emit argument descriptors for
417 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
419 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
420 (FUNCTION_OK_FOR_SIBALL): Define.
421 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
422 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
423 (CPP_SPEC): Use new spec infrastructure.
424 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
425 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
426 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
427 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
428 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
429 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
430 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
431 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
432 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
433 (FUNCTION_ARG); Call out to C code.
434 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
435 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
436 (MIN_UNITS_PER_WORD): Likewise.
437 * pa/pa.md (cmpdi): New expander.
438 (scc patterns, movstrsi): Not available for TARGET_64BIT.
439 (64bit conditional arithmetic): New patterns.
440 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
441 (movsicc): Not available if modes on all the operands to not match.
442 (movdicc): New expander and associated patterns.
443 (64bit branches): New patterns.
444 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
445 (pre_ldd, post_std): New patterns.
446 (64bit addil, load low part): New patterns.
447 (special movsf constant): Not available for TARGET_64BIT.
448 (movsf, movdf expanders): Force constants into memory.
449 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
450 (64bit movdf/movdi patterns): New patterns.
451 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
453 (extendqidi2, extendhidi2, extendsidi2): Similarly.
454 (adddi3 expander): Allow "arith_operand" for second input.
455 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
456 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
457 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
458 (muldi3): New expander for TARGET_64BIT.
459 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
461 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
462 patterns for TARGET_64BIT.
463 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
464 patterns for TARGET_64BIT.
465 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
466 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
467 (sibcall_epilogue): New expander.
468 (casesi): Tweak for TARGET_64BIT.
469 (call expanders): Set & use the outgoing argument pointer. Use the
470 64bit call patterns as needed. Add additional arg to output_call.
471 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
472 (sibcall, sibcall_internal_symref): New expanders.
473 (sibcall_value, sibcall_value_internal_symref
474 (interspace_jump): Turn into an expander + matching patterns.
475 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
476 * pa/pa64-regs.h: Eliminate trigraph sequences.
477 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
479 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
481 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
482 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
483 cpp_token with cpp_ttype everywhere.
484 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
485 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
486 CPP_BUF_COL. Line and column numbers are unsigned int, not
488 * cpplex.c (cpp_buf_line_and_col): Delete.
489 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
490 'long lineno' to 'unsigned int lineno'.
491 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
493 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
495 * extend.texi: ISO C99 is not a draft anymore.
496 * invoke.texi: ISO C++ is not a draft anymore.
497 * cpp.texi: __cplusplus is required by the ISO standard.
499 * extend.texi (-fthis-is-variable): Undocument.
500 * flags.h (warn_template_debugging): Remove declaration.
501 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
502 -Wenum-clash, -Wtemplate-debugging): Undocument.
504 2000-04-10 Nick Clifton <nickc@cygnus.com>
506 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
508 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
510 (ARM_SIGN_EXTEND): Use HOST_UINT.
511 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
512 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
513 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
514 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
516 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
517 (arm_gen_constant): Use HOST_UINT.
518 (arm_canonicalize_constant): Use HOST_UINT.
519 (arm_reload_in_hi): Use HOST_UINT.
520 (arm_reload_out_hi): Use HOST_UINT.
521 (output_multi_immediate): Use HOST_UINT.
522 (int_log2): Use HOST_UINT.
523 (arm_poke_function_name): Use HOST_UINT.
524 (arm_output_epilogue): Use arm_volatile_func().
525 (output_thumb_prologue): Use arm_strip_name_encoding().
527 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
529 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
530 of sequence point problems.
532 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
534 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
536 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
538 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
540 * sbitmap.h: Whitespace changes and use upper-case macro args.
541 (struct simple_bitmap_def): All sizes now unsigned.
542 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
543 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
544 (sbitmap_vector_alloc): Parms and local vars now unsigned.
545 (sbitmap_zero): Cast bzero arg to PTR.
546 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
547 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
548 loop to make structure clearer.
549 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
550 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
551 (sbitmap_a_and_b_or_c): Likewise.
552 (sbitmap_intersection_of_succs): Minor cleanups.
553 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
554 (sbitmap_union_of_preds): Likewise.
555 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
556 (debug_sbitmap): New function.
558 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
559 * c-typeck.c (convert_for_assignment): Likewise.
561 * expmed.c (init_expmed): Don't free objects we make.
562 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
564 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
565 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
567 * gcse.c (expr_hash_table_size): Now unsigned.
568 (compute_ae_gen): Local variable `i' now unsigned.
569 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
570 (compute_transout, hoist_code): Likewise.
571 (compute_local_properties): Likewise, also hash_table_size.
572 (alloc_expr_hash_table): N_INSNS now unsigned.
573 (delete_null_pointer_checks): Mark arg F as unused.
575 * regrename.c: Minor cleanups, including chang some variables
578 2000-04-10 Neil Booth <NeilB@earthling.net>
580 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
582 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
584 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
586 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
587 __classof__, and __headof__ from the list of gnu keywords.
588 (-ansi): Remove -foperator-names from list of implied options.
589 Do not call it ANSI C++.
590 (-foperator-names): Document as -fno-operator-names.
592 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
594 * cpphash.c (timestamp): Delete.
595 (del_HASHNODE): If type is T_MCONST, free value.cpval.
596 (special_symbol): Remove unnecessary braces. Remove
597 T_VERSION. Treat T_STDC like T_CONST unless
598 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
599 when one is encountered, then convert them into T_MCONST
601 * cppinit.c (builtin_array): version_string is T_MCONST.
602 __STDC__ has a "1" in its cpval. Don't have a terminator
603 entry. Clean up which entries are dumped.
604 (initialize_builtins): Only __STDC__ gets the special
605 -traditional treatment. Count the length of builtin_array.
606 Render version_string here.
607 * cpphash.h: Remove T_VERSION. Add T_MCONST.
608 * cpplib.h (struct cpp_reader): Remove timebuf.
610 2000-04-09 Richard Henderson <rth@cygnus.com>
612 * genrecog.c (pred): Update comparison_operator for the unordered
615 * config/i386/i386.c (no_comparison_operator): Disallow unordered
617 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
618 (uno_comparison_operator): New.
619 (put_condition_code): Handle UNORDERED/ORDERED.
620 (unsigned_comparison): Likewise.
621 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
622 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
623 (ix86_expand_fp_compare): Use them. Take scratch as argument,
624 update all callers. Handle all 8 unordered operators.
625 (ix86_expand_setcc): Lose the unordered argument, update all callers.
626 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
627 * config/i386/i386.h (PREDICATE_CODES): Update.
628 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
629 (ix86_expand_branch, ix86_expand_setcc): Update.
630 * config/i386/i386.md (sunordered, sordered): New.
631 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
632 (bunordered, bordered): New.
633 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
634 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
635 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
637 2000-04-09 Philip Blundell <philb@gnu.org>
639 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
641 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
643 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
644 fix_truncxfhi2): New patterns.
645 * i386.c (output_fix_trunc): Handle converting to HImode.
647 2000-04-08 Alex Samuel <samuel@codesourcery.com>
649 * ssa.c (convert_to_ssa): Eliminate dead code when calling
651 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
652 (for_each_successor_phi): Change parameter to basic_block.
653 (coalesce_regs_in_successor_phi_nodes): Likewise.
654 (coalesce_regs_in_copies): Likewise.
655 (compute_coalesced_reg_partition): Use basic_block instead of index.
656 * rtl.h (convert_to_ssa): Delete.
657 (convert_from_ssa): Likewise.
658 (successor_phi_fn): Likewise.
659 (for_each_successor_phi): Likewise.
660 (in_ssa_form): Likewise.
661 * basic-block.h (convert_to_ssa): Moved from rtl.h.
662 (convert_from_ssa): Likewise.
663 (successor_phi_fn): Likewise.
664 (in_ssa_form): Likewise.
665 (for_each_successor_phi): Likewise. Change parameter to basic_block.
666 * flow.c (calculate_global_regs_live): Pass a basic_block to
667 for_each_successor_phi.
669 2000-04-08 Richard Henderson <rth@cygnus.com>
671 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
672 was modified in the current insn.
674 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
676 * arm/thumb.md: Delete.
677 * arm/thumb-protos.h: Delete.
679 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
681 Merge changes from merged-arm-thumb-backend-branch onto trunk.
683 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
685 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
688 * arm.md (nop): Use the standard RTL expression. Don't code as a
690 (*arm_nop, *thumb_nop): Delete.
692 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
693 constants. Use casts instead.
694 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
695 output_multi_immediate, arm_poke_function_name): Likewise.
696 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
697 MASK_RETURN_ADDDR): Likewise.
699 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
701 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
704 * arm.md (eh_epilogue): New function.
705 * arm.h (struct machine_function): Move to here ...
706 * arm.c: ... from here.
707 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
708 (thumb_exit): Extra parameter eh_ofs. All callers changed.
709 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
711 2000-03-30 Nick Clifton <nickc@cygnus.com>
713 * config/arm/semi.h (ASM_SPEC): Restore definition.
714 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
716 * config/arm/elf.h (ASM_SPEC): Restore definition.
717 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
719 * config/arm/arm.h (ASM_SPEC): Remove definition.
720 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
722 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
724 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
726 2000-03-24 Nick Clifton <nickc@cygnus.com>
728 Various formating tidyups, elimination of compile time
729 warnings and synchronisation with internal sources:
731 * config/arm/arm-protos.h (assemble_align): Add prototype.
732 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
733 (gen_comapre_reg): Rename to arm_gen_compare_reg.
734 (arm_return_addr_rtx): Rename to arm_return_addr.
736 * config/arm/arm.c: Include except.h.
737 Define shorter typenames for strict minipool_node and struct
739 (arm_return_in_memory): For WinCE return all structures <= 32 bits
741 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
742 (gen_comapre_reg): Rename to arm_gen_compare_reg.
744 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
746 (ASM_SPEC): Define if not already defined.
747 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
749 * config/arm/arm.md: Rename references to gen_rotated_half_load to
750 arm_gen_rotated_half_load, and references to gen_comapre_reg to
752 (indirect_jump): Only accept register operands.
753 (load_indirect_jump): Keep this pattern since combine can generate
756 * config/arm/coff.h: Include aout.h.
757 (MULTILIB_DEFAULTS): Only define if not already defined.
759 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
760 into arm.h (so that COFF ports can support thumb based aliases).
761 (ASM_SPEC): Move definition into arm.h
763 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
765 (ASM_SPEC): Move definition to arm.h
767 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
769 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
770 for entries in the .bss section
772 2000-03-23 Nick Clifton <nickc@cygnus.com>
774 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
775 to thumb_far_jump_used_p.
777 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
778 single integer parameter.
780 * config/arm/arm.c (struct machine_function): Add two new
781 fields, 'far_jump_used' and 'arg_pointer_live'.
782 (thumb_far_jump_used_p): Once the decision has been made that
783 far jumps might be used, always return true.
784 If being called from the initial elimination offset macro then
785 do not bother to perform the test if the arg pointer is not
787 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
788 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
790 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
792 * arm.c (output_return_instruction): Handle more cases where we can
793 return from a function with an ldr instruction.
794 (arm_output_epilogue): Likewise.
796 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
797 if we need to push a large stack frame and there are no callee-saved
800 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
801 in ARM code if the frame pointer has been eliminated.
803 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
804 unspec_volatile arguments to avoid duplicates.
805 (consttable_1, consttable_2): Fixes for big-endian mode.
807 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
810 Re-write constant pool code.
811 * arm.c (minipool_node, minipool_fix): New types.
812 (minifix): Delete type.
813 (arm_add_minipool_constant): Delete.
814 (arm_compute_minipool_offsets, arm_find_barrier,
815 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
816 (get_jump_table_size): Now returns HOST_WIDE_INT.
817 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
819 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
820 (assign_minipool_offsets, arm_print_value): Likewise.
821 (dump_minipool): Rewrite.
822 (arm_barrier_cost): New function.
823 (create_fix_barrier): New function.
824 (push_minipool_barrier): New function.
825 (push_minipool_fix): Record additional information about the fixup
827 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
828 check the mode of what needs fixing.
829 (arm_reorg): Rewrite.
831 2000-03-08 Nick Clifton <nickc@cygnus.com>
833 * config/arm/arm.md (indirect_jump): Force constant addresses into
836 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
838 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
840 2000-02-24 Nick Clifton <nickc@cygnus.com>
842 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
843 adjust is word aligned.
844 (thumb_expand_epilogue): Make sure that stack adjust is word
847 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
849 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
851 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
852 pointer relative addresses.
854 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
856 * arm.c (find_barrier): Find the last barrier within the allowed
859 2000-02-09 Nick Clifton <nickc@cygnus.com>
861 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
863 2000-02-09 Nick Clifton <nickc@cygnus.com>
865 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
866 ARM_FUNCTION_PROFILER.
868 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
869 ARM_FUNCTION_PROFILER.
871 * config/arm/linux-oldld.h: Imported from mainline sources.
873 2000-02-07 Nick Clifton <nickc@cygnus.com>
875 * config/arm/lib1funcs.asm: Merge in thumb functions from
878 * config/arm/lib1thumb.asm: Delete.
880 2000-02-04 Nick Clifton <nickc@cygnus.com>
882 * config/arm/arm.c: Sychronised with current Red hat local
884 * config/arm/arm.h: Ditto.
885 * config/arm/arm-protos.h: Ditto.
887 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
889 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
891 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
894 2000-02-02 Nick Clifton <nickc@cygnus.com>
896 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
898 * config/arm/arm.md (epilogue): Fix rtl checking abort because
899 (return) was emited using an emit_insn() call.
901 2000-01-31 Nick Clifton <nickc@cygnus.com>
903 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
905 (thumb_exit): Move frame pointer back into hard frame pointer
906 register if backtracing is being used.
908 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
910 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
913 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
915 * config/arm/arm.md (neg_pool_offset): Provide default for new
917 (arm_movsi_insn): Add neg_pool_offset attribute.
918 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
919 rtx for the insn that starts the scan and an unsigned long for its
920 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
921 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
922 instructions in *PINSERTED.
923 (struct minipool_fixup): Add MIN_ADDRESS elt.
924 (sort_fixups): Compute it.
925 (arm_reorg): Changes to support inserting pools before the insn to be
928 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
930 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
931 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
932 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
934 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
936 * config/arm/semi.h (TARGET_VERSION): Do not define if already
938 (TARGET_DEFAULT): Do not define if already defined.
940 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
942 * config/arm/arm.md (anddi3): Allow disjoint source operands.
943 (iordi3): Allow disjoint source operands.
944 (xordi3): Allow disjoint source operands.
945 (negdi2): Permit construction for ARM and Thumb.
946 (arm_negdi2): Renamed version of old negdi2 pattern.
947 (thumb_negdi2): New pattern: Only permit non-overlapping
948 source and destination.
950 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
952 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
953 scratch low register so that it will not be deleted.
955 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
957 * config/arm/pe.h (ARM_PE): Define.
959 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
960 interfacearm attribute if this is a PE toolchain.
961 (output_return_instruction): Do not emit anything if the function
962 has the naked attribute set.
963 (is_called_in_ARM_mode): If the function has the interfacearm
964 attribute then return true.
965 (thumb_expand_prologue): Do not generate a prologue for naked
967 (thumb_expand_epilogue): Do not generate an epilogie for a naked
969 (output_thumb_prologue): Do not bother if the function is naked.
970 Strip PE encoding from function name before emitting.
972 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
974 * arm.md (pic_load_addr): Fix constraints.
976 * arm.md (casesi_insn): Fix mis-applied patch.
978 * arm.md ("core" function unit): Add rules for single- and
980 (All TARGET_THUMB patterns): Add "type" attribute information
982 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
983 the following insn is a CALL.
985 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
987 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
988 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
989 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
991 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
993 * config/arm/linux-gas.h: oops - this file was missed out when the
994 branch was created...
996 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
998 * thumb.c: Deleted. Move contents to ...
1000 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
1002 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
1005 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
1006 declare a prototype for asm_output_align();
1008 * arm.c (thumb_condition_code): Delete.
1009 (arm_print_operand): Always use arm_condition_code array.
1011 * arm.c (thumb_return_addr_rtx): Delete.
1012 (arm_save_machine_status, arm_restore_machine_status): Delete.
1013 (arm_init_machine_status, arm_mark_machine_status): New functions.
1014 (arm_init_expanders): Update accordingly.
1015 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
1016 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
1017 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
1019 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
1021 * configure.in : Fix arm-*-aout target to use new t-arm-aout
1023 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
1026 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
1028 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
1029 stack backtrace structure.
1031 * config/arm/arm-protos.h: Add prototypes for functions defined in
1034 * config/arm/arm.c (arm_override_options): Fix selection of
1035 attributes of default processor.
1037 * config/arm/coff.h: Delete needless #include.
1039 * config/arm/pe.c: Delete unused code.
1041 * config/arm/pe.h (CPP_DEFINES): Delete
1042 (SUBTARGET_CPP_SPEC): Define.
1043 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
1045 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
1047 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
1049 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
1051 (CAN_DEBUG_WITHOUT_FP): Define.
1052 (FIXED_REGISTERS): Make r11 call-saved.
1053 (CALL_USED_REGISTERS): Likewise.
1054 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
1055 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
1056 frame-pointer is required.
1057 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
1058 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
1059 if the target normally needs a stack frame in non-leaf functions.
1060 (use_return_insn): Correct logic for determining when a return
1061 instruction can be used.
1062 (output_return_instruction): Handle the frame-pointer register as
1063 a normal register when not TARGET_APCS_FRAME.
1064 (arm_output_prologue): Likewise.
1065 (arm_output_epilogue): Likewise.
1066 (output_func_epilogue): Likewise.
1067 (arm_expand_prologue): Likewise.
1068 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
1070 * arm.c (use_return_insn): No need to check floating point regs if
1072 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
1073 the code of value stored in the minipool array.
1074 (arm_add_minipool_constant): Likewise.
1076 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1078 * basic-block.h (conflict_graph_enum_fn): K&R fix.
1080 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1082 * tree.c (tree_expr_nonnegative_p): New function.
1084 * tree.h (tree_expr_nonnegative_p): Declare.
1086 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
1087 elide some sign_compare warnings.
1088 (build_conditional_expr): Likewise.
1090 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
1092 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
1094 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
1095 * i386.c (print_operand): Use the proper suffix for a 387 HImode
1096 operand. Abort if a 387 operand has an unsupported size.
1098 2000-04-08 Neil Booth <NeilB@earthling.net>
1100 * cppexp.c (parse_charconst): Null does not end character
1102 * cppinit.c (ISTABLE): Null character handled as whitespace.
1103 * cpplex.c (null_warning): new function.
1104 (skip_string): Emit warning if nulls encountered.
1105 (_cpp_skip_hspace): Emit warning if nulls encountered.
1106 (_cpp_lex_token): Emit warning if nulls encountered. Drop
1110 2000-04-07 Richard Henderson <rth@cygnus.com>
1112 * flow.c (loop_depth): Remove.
1113 (reg_next_use, cc0_live, mem_set_list): Replace with ...
1114 (struct propagate_block_info): New.
1115 (life_analysis): Don't allocate reg_next_use.
1116 (propagate_block_delete_insn): Break out of propagate_block.
1117 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
1118 (propagate_block_delete_libcall): Likewise.
1119 (propagate_block): Create a propagate_block_info struct to pass
1120 to subroutines. Allocate one not two temporary regsets. Don't
1121 clobber memory for const calls. Look for clobbers in
1122 CALL_INSN_FUNCTION_USAGE.
1123 (mark_set_regs): Recognize COND_EXEC.
1124 (mark_set_reg): Break out of mark_set_1.
1125 (mark_used_reg): Break out of mark_used_regs.
1126 (mark_used_regs): Recognize COND_EXEC.
1127 (insn_dead_p): Use propagate_block_info struct.
1128 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
1129 (find_auto_inc, try_pre_increment_1): Likewise.
1130 (print_rtl_with_bb): Dump regs live at end too.
1131 (count_reg_sets_1): Pass in loop_depth.
1132 (count_reg_sets, count_reg_references): Likewise.
1133 (recompute_reg_usage): Provide it.
1135 2000-04-07 Richard Henderson <rth@cygnus.com>
1137 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
1140 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
1142 * cpplib.c (do_elif): Skip the rest of the line if we're
1143 not going to bother evaluating it.
1144 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
1145 to avoid pointless calls to the lexer.
1147 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
1149 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
1151 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
1153 * calls.c (expand_call): emit_queue if we're trying a sibcall.
1155 2000-04-07 Jakub Jelinek <jakub@redhat.com>
1157 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
1159 2000-04-06 Geoff Keating <geoffk@cygnus.com>
1161 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
1162 crtend so they can be multilibbed.
1163 (STAGESTUFF): Remove s-crt and s-crtS.
1165 2000-04-07 Richard Henderson <rth@cygnus.com>
1167 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
1168 if we discover we need a pseudo and no_new_pseudos is true.
1169 * config/alpha/alpha.md (ne:DI insn): New.
1170 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
1172 2000-04-07 Richard Henderson <rth@cygnus.com>
1174 * rtl.def (COND_EXEC): New.
1175 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
1176 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
1178 * genconfig.c (have_cond_arith_flag): Remove.
1179 (have_cond_exec_flag): New.
1180 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
1181 (main): Print HAVE_conditional_execution.
1183 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
1184 (sched_analyze_insn, print_pattern): Likewise.
1185 * reload.c (find_equiv_reg): Likewise.
1186 * rtlanal.c (reg_referenced_p): Likewise.
1187 (note_stores, dead_or_set_regno_p): Likewise.
1188 (reg_overlap_mentioned_p): Rewrite to use a switch.
1190 * ggc.h (struct rtx_def): Forward declare.
1192 * print-rtl.c (debug_rtx_range): New.
1193 * rtl.h (debug_rtx_range): Declare.
1195 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
1197 * gcse.c (gcse_main): Don't rebuild the CFG here.
1198 (delete_null_pointer_checks): Likewise.
1199 * ssa.c (convert_to_ssa): Likewise.
1200 * toplev.c (rest_of_compilation): Do it here instead. Combine
1201 sequential calls to TIMEVAR. Consistently use `insns' instead of
1202 `get_insns()'. Always split insns after reload when optimizing.
1204 * basic-block.h (merge_blocks_nomove): Declare.
1205 (tidy_fallthru_edge): Declare.
1206 * flow.c (merge_blocks_nomove): Document as merging into previous
1207 blocks. Remove cruft from between blocks; remove all edges out of A.
1208 (tidy_fallthru_edge): Export.
1210 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1212 * ssa.c (compute_conservative_reg_partition): Declare with
1214 * toplev.c (clean_dump_file): Remove previously-deleted function
1215 inadvertantly merged back in.
1216 * conflict.c (conflict_graph_add): Use a single call to
1217 htab_find_slot to look up and insert.
1219 2000-04-06 Richard Henderson <rth@cygnus.com>
1221 * genrecog.c (*): Rename _last_insn to last_insn.
1222 (make_insn_sequence): Set the position of the peephole2 C test
1223 to be at the last insn.
1225 2000-04-06 Richard Henderson <rth@cygnus.com>
1227 * flow.c (compute_flow_dominators): Free worklist.
1229 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
1231 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
1233 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1235 * rtl.h (INSN_P): New macro.
1236 (successor_phi_fn): New typedef.
1237 (for_each_successor_phi): New prototype.
1238 (in_ssa_form): New variable.
1239 (PHI_NODE_P): Likewise.
1240 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
1241 phi nodes in successors.
1242 (mark_used_regs): Add PHI case.
1243 (set_phi_alternative_reg): New function.
1244 (life_analysis): Assert that dead code elimination is not selected
1246 * toplev.c (to_ssa_time): New variable.
1247 (from_ssa_time): Likewise.
1248 (compile_file): Zero to_ssa_time and from_ssa_time.
1249 Print time to convert to and from SSA.
1250 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
1251 (print_time): Compute percent fraction as integer.
1252 * ssa.c (PHI_NODE_P): Moved to rtl.h.
1253 (convert_to_ssa): Check if we're already in SSA.
1254 Don't eliminate dead code in life_analysis.
1255 Rerun flow and life analysis at bottom.
1256 (eliminate_phi): Use canonical regnos when adding nodes.
1257 (mark_reg_in_phi): New function.
1258 (mark_phi_and_copy_regs): Likewise.
1259 (convert_from_ssa): Rerun life analysis at top.
1260 Use coalesced partition.
1261 Check for removing a phi node at the end of the block.
1262 (compute_coalesced_reg_partition): New function.
1263 (coalesce_regs_in_copies): Likewise.
1264 (coalesce_reg_in_phi): Likewise.
1265 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
1266 (for_each_successor_phi): Likewise.
1267 (rename_context): New struct.
1268 (rename_block): Use a rename_context with rename_insn_1. When
1269 renaming sets of a subreg, emit a copy of the entire reg first.
1270 (rename_insn_1): Treat data as a rename_context *. Save current
1272 (rename_set_data): Add field set_insn.
1273 * Makefile.in (HASHTAB_H): Move up in file.
1274 (OBSTACK_H): New macro.
1275 (collect2.o): Use OBSTACK_H in dependencies.
1276 (sdbout.o): Likewise.
1277 (emit-rtl.o): Likewise.
1278 (simplify-rtx.o): Likewise.
1279 (fix-header.o): Likewise.
1280 (OBJS): Add conflict.o.
1281 (conflict.o): New rule.
1282 * basic-block.h: Include partition.h.
1283 (conflict_graph): New typedef.
1284 (conflict_graph_enum_fn): Likewise.
1285 (conflict_graph_new): New prototype.
1286 (conflict_graph_delete): Likewise.
1287 (conflict_graph_add): Likewise.
1288 (conflict_graph_conflict_p): Likewise.
1289 (conflict_graph_enum): Likewise.
1290 (conflict_graph_merge_regs): Likewise.
1291 (conflict_graph_print): Likewise.
1292 (conflict_graph_compute): Likewise.
1293 * conflict.c: New file.
1295 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1297 * tlink.c (read_repo_files): Don't look for .rpo info for
1300 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1302 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1304 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1306 * config/sh/lib1funcs.asm (___udivsi3_i4):
1307 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1308 only depends on FMOVD_WORKS.
1310 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1312 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1313 make double constant 8-byte aligned.
1315 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1317 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1318 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1319 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1320 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1321 Accept storing GENERAL_REGS into offsetable memory.
1322 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1323 building a TFmode constant other than 0.0L into GENERAL_REGS.
1325 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1327 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1329 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1331 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1332 (macro_cleanup): No need to cast pbuf->macro.
1333 (collect_expansion): Use _cpp_get_define_token. Goto done if
1334 it returns VSPACE. Remove check for trailing space after
1336 (_cpp_create_definition): Don't diddle flags here. Return
1338 (unsafe_chars): Handle c1 being EOF.
1339 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1340 checks. Don't push the buffer till after we're done with
1342 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1343 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1344 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1346 (_cpp_parse_assertion): Don't NUL terminate.
1347 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1348 hspace before calling _cpp_parse_assertion. Remove all sets
1349 of only_seen_white. Treat '\f' as hspace. Don't do anything
1350 special with '\n' here.
1351 (maybe_macroexpand): Handle T_EMPTY hash entries without
1352 pushing a buffer at all.
1353 (cpp_get_token): Handle clearing only_seen_white here. Handle
1354 incrementing the line number here. Clear
1355 potential_control_macro as well as only_seen_white, if
1357 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1358 (_cpp_get_define_token): New function, basically like
1359 _cpp_get_directive_token was but doesn't eat horizontal space.
1360 Don't do anything with only_seen_white here.
1361 (_cpp_get_directive_token): Just call _cpp_get_define_token
1362 repeatedly till it returns non-hspace.
1364 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1365 (conditional_skip, skip_if_group): Return int.
1366 (DIRECTIVE_TABLE): Change origin of all conditional directives
1368 (TRAD_DIRECT_P): New macro.
1369 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1370 an error for a bogus directive, unless -lang-asm. Use
1371 TRAD_DIRECT_P. Loop calling handler functions till one returns
1373 (get_macro_name): Don't diddle flags here.
1374 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1375 Create T_EMPTY nodes for #define macro /* nothing */.
1376 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1377 Use hp->name when calling pass_thru_directive.
1378 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1379 Return the result of conditional_skip and/or skip_if_group.
1380 Don't call _cpp_output_line_command.
1381 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1382 Issue -Wtraditional warnings as appropriate. Don't complain
1383 about unrecognized directives. If we are to stop skipping,
1384 return the number of the directive that ended the skip.
1385 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1386 expansion and line commands while skipping. Return the result
1387 of consider_directive_while_skipping, if nonzero.
1388 (do_endif): Just set potential_control_macro here.
1389 (validate_else): Use _cpp_get_directive_token.
1390 (do_assert, do_unassert): Don't save pointers into the
1391 token_buffer across calls to the lexer. Use
1392 _cpp_get_directive_token.
1394 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1395 pointer, not an offset. Replace 'data', which was a generic
1396 pointer, with 'macro', which points to a struct hashnode.
1397 (cpp_reader): Add 'potential_control_macro' pointer.
1398 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1399 (CPP_BUF_GET, CPP_FORWARD): Delete.
1400 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1401 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1402 ACTIVE_MARK_P): Update.
1403 (_cpp_get_define_token): New internal function.
1404 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1406 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1408 * configure.in: And here.
1409 * configure: Regenerate.
1410 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1411 --enable-libstdcxx-v3 is passed at configure time.
1412 * config.h.in: Regenerate.
1414 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1416 * final.c (final): Use xcalloc to allocate line_note_exists.
1417 * function.c (free_after_compilation): Free the temp_slots.
1418 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1419 (combine_temp_slot): Free temp_slots when they get combined.
1420 (purge_addressof): Fix typo in comment.
1421 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1422 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1424 * ggc.h: Include varray.h.
1425 (ggc_pending_trees): Declare.
1426 (ggc_mark_tree_children): Remove declaration.
1427 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1428 * ggc-common.c (ggc_pending_trees): New variable.
1429 (ggc_mark_roots): Call ggc_mark_trees.
1430 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1431 the ggc_pending_trees.
1432 * Makefile.in (GGC_H): New variable. Use it throughout in place
1435 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1437 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1440 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1442 * sh.c (sh_insn_length_adjustment): New function.
1443 * sh-protos.h (sh_insn_length_adjustment): Declare.
1444 * sh.h (ADJUST_INSN_LENGTH): Use it.
1446 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1448 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1449 from the insn where REG_RETVAL is added.
1450 (emit_no_conflict_block): Ditto.
1452 * md.texi (Standard Names): Clarify when movX is needed.
1454 * combine.c (simplify_comparison) [MINUS]: Do not replace
1455 all (op (minus A B) 0) with (op A B).
1457 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1458 J"orn Rennecke <amylaar@cygnus.co.uk>
1460 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1461 (block_lump_real): Likewise.
1463 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1465 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1466 remaining non-zero debugging masks.
1468 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1470 * basic-block.h (verify_flow_info): Declare.
1471 (flow_loop_outside_edge_p): Declare.
1472 * flow.c (verify_flow_info): Remove declaration.
1473 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1475 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1477 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1480 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1482 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1483 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1484 seqdi_zero_trunc+1): Allow splits only if registers are
1487 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1489 * acconfig.h: Add HAVE_GAS_HIDDEN.
1490 * config.in: Regenerated.
1491 * configure.in: Add test for .hidden pseudo-op in gas.
1492 * configure: Regenerated.
1493 * crtstuff.c: Include auto-host.h.
1494 Emit additional .hidden pseudo-op for __dso_handle if the
1495 assembler knows about it.
1497 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1499 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1500 before freeing argnames.
1501 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1503 2000-04-05 Michael Meissner <meissner@redhat.com>
1505 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1506 Walton <jonboy@gordian.com> to make memory references with update
1507 work wtih -mregnames.
1509 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1511 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1512 (regrename_optimize): Rename variables `def_uses' and
1513 `ext_basic_blocks' to avoid conflicts with similarly named
1514 typedefs in traditional C.
1516 * calls.c (initialize_argument_information): Fix typo in previous
1519 2000-04-04 Richard Henderson <rth@cygnus.com>
1521 * regrename.c (consider_available): Test fixed_regs not
1522 PIC_OFFSET_TABLE_REGNUM.
1524 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1526 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1528 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1529 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1530 (ENDFILE_LINUX_SPEC): Always use crtend.
1531 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1532 (powerpc-*-linux-gnu): Likewise.
1533 * configure: Regenerate.
1535 * config/rs6000/eabi.h: Don't include sysv4.h.
1536 (MULTILIB_DEFAULTS): Don't define.
1537 * config/rs6000/eabiaix.h: Don't include eabi.h.
1538 * config/rs6000/eabile.h: Delete.
1539 * config/rs6000/eabilesim.h: Delete.
1540 * config/rs6000/eabisim.h: Don't include eabi.h.
1541 * config/rs6000/linux.h: Don't include sysv4.h.
1542 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1543 (MULTILIB_DEFAULTS): Don't redefine.
1544 * config/rs6000/rtems.h: Don't include eabi.h.
1545 * config/rs6000/sol2.h: Don't include sysv4le.h.
1546 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1547 * config/rs6000/t-ppc: Delete.
1548 * config/rs6000/t-ppcgas: Correct comment.
1549 * config/rs6000/t-ppcos: Correct comment. Don't build
1550 multilibs for -fPIC, rather use -fPIC -mstrict-align
1552 * config/rs6000/t-ppc: Delete.
1553 * config/rs6000/vxppc.h: Don't include sysv4.h.
1554 * config/rs6000/vxppcle.h: Delete.
1555 * configure.in: Use multiple header files for p2pc ELF targets
1556 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1557 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1558 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1559 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1560 always available for these platforms.
1562 2000-04-04 Richard Henderson <rth@cygnus.com>
1564 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1566 2000-04-04 Stan Cox <scox@cygnus.com>
1568 * Makefile.in: Add rules for regrename.o
1569 * regrename.c: New file.
1570 * rtl.h (regrename_optimize): Add prototype.
1571 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1572 (compile_file, decode_d_option): Add support for -frename-registers.
1573 (rest_of_compilation): Call regrename_optimize.
1574 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1577 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1579 * Makefile (gccbug): New target.
1580 (doc): Depend on it.
1581 * gcc.texi (Bugs): Link subnodes.
1583 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1584 Document severities, priorities, and classes in bug form.
1586 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1588 * cpplex.c (trigraph_map, speccase): Combine into single
1590 (NORMAL, NONTRI): New macros.
1591 (_cpp_read_and_prescan): Change to use unified table. Use
1592 is_hspace to test for whitespace.
1594 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1595 definition that doesn't provoke the "empty body in an
1596 if-statement" warning.
1598 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1600 * builtins.c (expand_builtin_strlen): Force the source to
1601 be a memory address.
1603 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1605 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1607 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1609 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1610 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1611 (ECF_IS_CONST): Rename to ECF_CONST.
1612 (special_function_p): Make static, change interface.
1613 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1614 (expand_call) ... here; convert number of variables to flags.
1615 (emit_library_call_vlue_1): Likewise.
1616 (setjmp_call_p): New function.
1617 (initialize_argument_information): Accepts flags as argument;
1619 (precompute_arguments): Likewise.
1620 * tree.h (special_function_p): Remove.
1621 (setjmp_call_p): Add prototype.
1623 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1625 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1626 so that addresses are offsetable by up to 16 bytes.
1627 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1628 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1631 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1632 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1633 (movsf): Don't force any constant to memory if target is integer
1635 Move fp_zero_operand check below the const0_rtx check.
1636 (movtf): Likewise. Also allow fp_zero_operand for stores into
1638 (movdf): Likewise. Also allow fp_zero_operand for stores into
1639 memory and into integer hard registers.
1640 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1641 movdf_const_intreg_sp64): Remove.
1642 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1644 (movdf_no_e_insn_v9_sp32): New pattern.
1645 (movdf_insn_v9only): Remove.
1646 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1647 (movdf_insn_sp64): Remove.
1648 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1649 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1650 (following splits): Rewrite conditions. Add two new splits
1651 for storing 0.0 into memory and registers.
1652 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1653 (movtf_insn_sp32): Redo constraints and conditions.
1654 (movtf_insn_vis_sp32): New pattern.
1655 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1656 (movtf_insn_hq_sp64): Likewise.
1657 (movtf_insn_hq_vis_sp64): New pattern.
1658 (movtf_insn_sp64): Redo constraints and conditions.
1659 (movtf_insn_vis_sp64): New pattern.
1660 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1661 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1663 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1664 -mvis or -m64 to take down the number of various reload patterns.
1666 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1668 * pa/pa-64.h: New file.
1669 * pa/pa64-regs.h: New file.
1670 * pa/pa64-start.h: New file.
1671 * pa/t-pa64: New file.
1672 * pa/xm-pa64hpux.h: New file.
1674 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1676 * sparc.c (output_restore_regs): Prototype.
1677 (sparc_emit_float_lib_cmp): Constification.
1679 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1681 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1684 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1685 (get_value_hash, hash_rtx): Likewise.
1687 * ssa.c (compute_conservative_reg_partition): Prototype.
1689 * tree.c (mark_hash_entry): Prototype.
1691 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1693 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1694 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1695 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1697 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1698 * objc/lang-specs.h: Likewise.
1700 2000-04-03 Neil Booth <NeilB@earthling.net>
1702 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1703 and SYNTAX_ERROR2. Replace `' in messages with ''.
1704 (op_to_str): Make re-entrant.
1705 (_cpp_parse_expr): Implement new error macros. Use | rather
1706 than || to logically or 2 boolean integers. Simply expression
1707 checking we have a left operand iff needed.
1709 2000-04-03 Nick Clifton <nickc@cygnus.com>
1711 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1713 2000-04-03 Philip Blundell <philb@gnu.org>
1715 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1717 2000-04-03 Felix Lee <flee@cygnus.com>
1719 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1720 (run_shell): Use it.
1722 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1724 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1725 (stmp-fixproto): ...rather than here.
1727 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1729 * pa.c (print_operand): Compute 'base' only inside the code paths
1732 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1734 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1737 2000-04-03 Philipp Thomas <pthomas@suse.de>
1739 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1741 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1743 * Makefile.in (alias.o): Depend on $(TREE_H).
1745 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1747 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1749 * cpplib.c (_cpp_handle_directive): Improve warnings for
1750 traditional C and indented directives.
1752 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1753 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1754 fixinc/inclhack.def: Indent the # of #include_next one space.
1755 * cp/rtti.c: Un-indent #if and #endif.
1757 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1758 syntax error, but an error has already been printed.
1759 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1760 message when called with nothing remaining on the line.
1761 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1762 OTHER token, not an ASSERTION.
1763 * cpplib.c (do_assert): When we create a 'base' node, clear
1764 its aschain pointer.
1766 2000-04-02 Neil Booth <NeilB@earthling.net>
1768 * cppexp.c: New typedef op_t. struct operation and struct
1769 token updated to use it.
1770 (op_to_str): New function.
1771 (_cpp_parse_expr): Error messages modified to use op_to_str.
1773 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1775 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1776 before checking MUST_PASS_IN_STACK.
1778 2000-04-02 Neil Booth <NeilB@earthling.net>
1780 * cppexp.c: New FINISHED dummy token. Combine operator initial
1781 flags and initial priority into a single constant. New
1782 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1783 (_parse_cpp_expr): Implement new constants. Take left operand
1784 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1785 parse indicated by reducing FINISHED token. Remove new lines
1786 from cpp_error messages.
1788 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1790 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1793 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1795 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1796 directive. Add origin values to DIRECTIVE_TABLE. Generate
1797 the strings and function names on the fly. Take the #sccs
1798 entry out of the table if SCCS_DIRECTIVE is not defined.
1799 (_cpp_handle_directive): Decide if the # was at the beginning
1800 of the line here. Issue -pedantic warnings for extended
1801 directives here. Warn about K+R directives with the #
1802 indented, and C89/extended directives with the # not indented,
1804 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1805 do_assert, do_unassert): Don't issue pedantic warning here.
1807 * cpphash.h: Add CPP_WTRADITIONAL macro.
1808 * cpplib.h (struct cpp_options): Rename warn_stringify to
1809 warn_traditional; update comments.
1810 * cppinit.c (handle_option): Set warn_traditional not
1812 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1813 CPP_WTRADITIONAL (pfile).
1814 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1815 be ignored in -traditional mode here.
1817 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1818 to initialize speccase[] and trigraph_map[]. Delete all
1819 references to pfile->input_speccase. Always treat '?' as a
1820 special character. Remove table-initialization code from
1821 _cpp_init_input_buffer.
1823 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1824 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1826 2000-04-01 Richard Henderson <rth@cygnus.com>
1828 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1829 (mostlyclean): Likewise.
1831 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1832 (struct dump_file_info, enum dump_file_index, dump_file): New.
1833 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1834 not a string. Clean out file if we havn't yet done so. Do nothing
1835 if the dump isn't enabled.
1836 (close_dump_file): Do nothing if the dump isn't open. Dump
1837 graph data if requested.
1838 (dump_rtl, clean_dump_file): Remove.
1839 (compile_file): Don't clean the dump files. Only finalize .bp dump
1840 if flag_test_coverage or flag_branch_probabilities. Only finalize
1841 .combine dump if optimizing. Iterate over dump_file to finalize the
1843 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1844 Convert all uses of dump_rtl.
1845 (decode_d_option): Iterate over dump_file to implement 'a' and to
1846 locate pass-specific dumps.
1848 2000-04-01 Neil Booth <NeilB@earthling.net>
1850 * cppexp.c: Redefine priority constants.
1851 (_cpp_parse_expr): Replace left and right priority scheme with
1852 single priority logic. Move LOGICAL to same place as COMPARE.
1853 Remove bogus check for multiple unary +/- operators.
1855 2000-04-01 Neil Booth <NeilB@earthling.net>
1857 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1858 within the switch statement. Binary operations break out of
1859 the switch naturally. '(' tokens handled by forcing
1860 immediate shift. ')' handled by forcing immediate reduce to
1861 the previous '('. New error messages.
1863 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1865 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1866 part', it's already in use. Use %K instead. Add a return at the
1867 end of what is now %K.
1868 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1870 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1872 * builtins.c (expand_builtin_apply): Pass proper parameters to
1873 allocate_dynamic_stack_space.
1874 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1875 update stack_pointer_delta; do not update arg_size_so_far.
1876 (compute_argument_block_size): Use stack_delta instead of
1877 stack_pointer_pending and arg_size_so_far.
1878 (expand_call): Add sanity checking for stack_pointer_delta;
1879 save and restore stack_pointer_delta for SIB, use
1880 stack_pointer_delta for alignment; do not update arg_space_so_far.
1881 (emit_library_call_value): Use stack_pointer_delta for alignment.
1882 (store_one_arg): Do not update arg_space_so_far.
1883 * explow.c (adjust_stack, anti_adjust_stack): Update
1884 stack_pointer_delta.
1885 (allocate_dynamic_stack_space): Add sanity checking for
1886 stack_pointer_delta.
1887 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1888 stack_pointer_delta.
1889 (emit_push_insn): Update stack_pointer_delta.
1890 * function.h (struct expr_status): Add x_stack_pointer_delta;
1891 remove x_arg_space_so_far.
1892 (arg_space_so_far): Remove.
1893 (stack_pointer_delta): New macro.
1895 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1897 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1898 Reorder struct cpp_options and struct cpp_reader for better
1899 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1900 takes two args. Change all 'char' flags to 'unsigned char'.
1901 Move show_column flag into struct cpp_options. Don't
1902 prototype cpp_options_init.
1903 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1904 cppinit.c, cpplex.c, cpplib.c:
1905 Replace CPP_OPTIONS (pfile)->whatever with
1906 CPP_OPTION (pfile, whatever), and likewise for
1907 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1909 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1910 Extract CPP_OPTION (pfile, pending) and work with that
1912 (cpp_options_init): Delete.
1913 (cpp_reader_init): Turn on on-by-default options here.
1914 Allocate the pending structure here.
1915 (cl_options, enum opt_code): Define these from the same table,
1916 kept in a large macro. Add -fshow-column and -fno-show-column
1919 * cpperror.c (v_message): If show_column is off, don't print
1922 * cppmain.c: Update for new interface.
1923 * fix-header.c: Likewise.
1925 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1927 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1929 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1930 are passed to any invocation of AR_FOR_TARGET.
1931 (AR_CREATE_FOR_TARGET): New macro.
1932 (AR_EXTRACT_FOR_TARGET): New macro.
1933 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1934 AR_EXTRACT_FOR_TARGET.
1935 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1936 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1937 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1938 AR_EXTRACT_FOR_TARGET to sub-makes.
1940 2000-03-31 Neil Booth <NeilB@earthling.net>
1942 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1944 (_cpp_parse_expr): Check for multiple unary +/- operators.
1945 Correct priorities of ':' and '?'. Treat ')' as having a
1946 value. Ensure conditional expression is not void.
1948 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1950 * alias.c (canon_rtx): Make it global.
1951 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1953 * cse.c (struct table_elt): Add canon_exp.
1955 (invalidate): Canonicalize expressions only once.
1956 * rtl.h (canon_rtx): Declare.
1958 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1960 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1961 * alias.c (reg_known_value): Add comments.
1962 (init_alias_analysis): Likewise.
1963 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1965 (cse_basic_block): Fix typo in comment.
1966 * emit-rtl.c: Include hashtab.h.
1967 (const_int_htab): New variable.
1968 (const_int_htab_hash): New function.
1969 (const_int_htab_eq): Likewise.
1970 (rtx_htab_mark_1): Likewise.
1971 (rtx_htab_mark): Likewise.
1972 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1973 (unshare_all_rtx): Fix formatting.
1974 (init_emit_once): Initialize const_int_htab.
1975 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1977 * rtl.texi: Document the fact that all CONST_INTs with the same
1980 2000-03-30 Richard Henderson <rth@cygnus.com>
1982 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1984 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1986 * configure.in: Comment out --enable-c-cpplib stanza.
1987 * configure: Regenerate.
1989 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1991 * expr.c (store_constructor): Properly compute displacement and
1992 alignment when offset is variable.
1994 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1995 cases of alignment in bytes.
1997 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1999 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
2000 since it is used to generate c-parse.y.
2001 * objc-parse.c, objc-parse.y: Regenerated.
2003 * function.c (expand_function_end): Pass alignment argument to
2004 emit_block_move in bits, not bytes.
2006 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2008 * expr.c (move_by_pieces_ninsns): Fix one more missing align
2011 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
2013 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
2014 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
2015 * function.c (assign_parms): Likewise.
2016 * integrate.c (expand_inline_function): Likewise.
2017 * stmt.c (expand_decl): Likewise.
2018 (copy_rtx_and_substitute): Likewise.
2019 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
2020 (clear_by_pieces): Fix error in last change.
2021 * emit-rtl.c (init_emit): Set known registers alignment in bits.
2022 * function.h (regno_pointer_align): Now unsigned.
2023 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
2025 * config/i386/i386.c (aligned_operand): Likewise.
2026 * config/sparc/sparc.c (mem_min_alignment): Likewise.
2027 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
2028 (unaligned_memory_operand): Likewise.
2029 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2030 Also make alignments and sizes unsigned and some whitespace cleanup.
2031 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
2033 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
2034 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
2035 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
2036 (expand_builtin_memset): Likewise, but to clear_storage.
2037 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
2038 (restore_fixed_argument_area): Likewise.
2039 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
2040 (load_register_parameters): Likewise, to emit_group_load.
2041 (expand_call): Likewise, to emit_group_store and emit_block_move.
2042 (emit_library_call_value_1): Likewise, to emit_block_move.
2043 (store_one_arg): Likewise, and to emit_push_insn.
2044 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
2045 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
2046 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
2047 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2048 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
2049 (expand_assigment, store_expr, store_constructor_field): Likewise.
2050 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
2051 (store_constructor, store_field, get_inner_reference): Likewise.
2052 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
2053 (expand_expr, case COMPONENT_REF): Likewise.
2054 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
2055 and positions; reindent code.
2056 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
2057 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
2058 (assign_parms): Likewise to emit_group_store.
2059 * optabs.c (prepare_cmp_insn): Alignment is in bits.
2060 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
2061 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
2062 (expand_return): Likewise to {extract,store}_bit_field.
2063 * stor-layout.c (get_mode_alignment): Minor cleanup.
2064 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
2065 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
2067 2000-03-29 Nick Clifton <nickc@cygnus.com>
2069 * config/arm/arm.h: Undo effects of previous delta:
2070 (ASM_SPEC): Do not define.
2071 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
2073 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
2076 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2078 * cppinit.c (cpp_start_read): Call initialize_dependency_output
2079 only after reading in the primary source file.
2081 2000-03-29 Geoff Keating <geoffk@cygnus.com>
2083 * c-common.c (c_common_nodes_and_builtins): The first parameter to
2084 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
2085 or a reference to a va_list.
2086 * builtins.c (stabilize_va_list): Simplify now we don't have to
2087 work around C array address decay.
2088 * c-typeck.c (convert_for_assignment): Handle assignment to
2089 a reference parameter by taking the address of the RHS.
2090 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
2091 (va_copy): Likewise.
2092 (__va_copy): Likewise.
2093 * ginclude/varargs.h (va_start): Likewise.
2094 (__va_copy): Likewise.
2096 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
2098 * i386/djgpp.h: Remove extraneous "+".
2100 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
2102 * calls.c (expand_call): Fix typo in last change.
2104 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
2106 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
2109 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2111 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
2112 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
2113 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
2114 * tree.c (bit_position, byte_position): Likewise.
2115 * tree.h: Declare new functions.
2117 2000-03-29 Nick Clifton <nickc@cygnus.com>
2119 * config/arm/arm.c: Minor formatting changes/
2120 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2122 (ASM_SPEC): Define if not already defined.
2124 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2126 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
2129 2000-03-29 Jakub Jelinek <jakub@redhat.com>
2131 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
2132 value, don't output it as unsigned.
2134 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
2136 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
2138 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2140 * c-common.c (c_common_nodes_and_builtins): Don't special case
2141 cplus_mode when declaring builtin bzero/bcmp, always avoid
2142 prototype arguments.
2144 2000-03-29 Bruce Korb <bkorb@gnu.org>
2146 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
2149 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2151 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
2152 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
2153 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
2154 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
2155 (save_fixed_argument_area, restore_fixed_argument_area):
2156 conditionize by #ifdef REG_PARM_STACK_SPACE only.
2157 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
2158 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
2159 (precompute_register_parameters): Avoid #ifdefs on
2160 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
2161 (stire_one_args): Likewise.
2162 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
2163 (emit_library_call_value_1): Likewise.
2164 (compute_argument_block_size): Align to STACK_BOUNDARY only for
2165 ACCUMULATE_OUTGOING_ARGS.
2166 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
2168 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
2169 (use_crosses_set_p): Likewise.
2170 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
2171 #define ACCUMULATE_OUTGOING_ARGS 1.
2172 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
2174 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
2176 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
2177 (TARGET_SWITCHES): Add push-args, no-push-args,
2178 accumulate-outgoing-args and no-accumulate-outgoing-args.
2179 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
2180 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
2181 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
2183 (emit_push_insn): Likewise.
2184 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2185 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
2186 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2187 (STACK_DYNAMIC_OFFSET): Define correctly for both
2188 ACCUMULATE_OUTGOING_ARGS and normal mode.
2189 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
2190 * tm.texi (PUSH_ARGS): Document.
2191 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
2193 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
2195 * flags.h (flag_optimize_sibling_calls): Declare.
2196 * calls.c (expand_call): Fail sibcall when
2197 !flag_optimize_sibling_calls
2198 * invoke.texi (flag_optimize_sibling_calls): Document.
2199 * toplev.c (flag_optimize_sibling_calls): New global variable.
2200 (f_options): Add flag_optimize_sibling_calls.
2201 (rest_of_compilation): Conditionize
2202 optimize_sibling_and_tail_recursive_calls by
2203 flag_optimize_sibling_calls.
2204 (main): Set flag_optimize_sibling_calls for -O2.
2205 * stmt.c (expand_return): Conditionize tail recursion by
2206 flag_optimize_sibling_calls.
2208 2000-03-29 Richard Henderson <rth@cygnus.com>
2210 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
2211 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
2213 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
2215 * except.c (add_eh_table_entry): Mark type_info's as referenced.
2217 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2219 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
2221 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
2222 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
2223 * config/rs6000/aix.h: then modified likewise.
2225 2000-03-28 Richard Henderson <rth@cygnus.com>
2227 * rtl.h: Redistribute enum reg_note documentation.
2228 Kill trailing whitespace.
2229 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
2230 Kill trailing whitespace.
2232 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
2234 * cppfiles.c (hash_IHASH): Just return i->hash.
2235 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
2236 htab_find_with_hash.
2237 (cpp_read_file): Likewise.
2238 (find_include_file): Likewise. Properly initialize
2239 ih->nshort. Share ih->name and ih->nshort if possible.
2240 * cpphash.c (_cpp_calc_hash): New function.
2241 (hash_HASHNODE): Just return h->hash.
2242 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
2243 htab_find_with_hash.
2244 * cpphash.h: Prototype _cpp_calc_hash.
2245 * cppinit.c (initialize_builtins): Provide a valid hash
2246 to _cpp_make_hashnode, using _cpp_calc_hash.
2248 * cpphash.c (collect_expansion): # is not a special character
2249 in object-like macros. In -traditional mode, /**/ is not
2250 token paste at the beginning or end of the line.
2251 * cpplib.c (do_include, do_import, do_include_next): If
2252 parse_include fails, return immediately.
2254 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
2256 * config/arm/arm.md (return peepholes): Update to reflect the new
2258 * config/arm/arm.c (arm_volatile_func): Also check
2259 current_function_nothrow.
2260 (output_return_instruction, output_func_prologue): Use it.
2261 (arm_output_epilogue, arm_expand_prologue): Likewise.
2263 2000-03-27 Tom Tromey <tromey@cygnus.com>
2265 * gcc.c (handle_braces): In {x*...} case, break out of loop if
2268 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2270 * expr.c (store_constructor): SIZE now signed.
2271 For EXPR_SIZE, don't evaluate size; just needed if constant.
2272 * fold-const.c (fold): Fix a number of cases when folded tree is
2274 * function.c (flush_addressof): Reenable.
2275 * tree.h (flush_addressof): Likewise.
2276 * toplev.c (independent_decode_option): Look at strings_processed.
2277 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
2279 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2281 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2282 Allow stack adjustment after function call.
2284 * regmove.c (struct csa_memlist): Make mem field rtx *.
2285 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2286 (try_apply_stack_adjustment): Replace whole MEM rtx.
2287 (combine_stack_adjustments_for_block): Update calls
2288 to record_one_stack_ref.
2290 2000-03-28 Neil Booth <NeilB@earthling.net>
2292 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2293 '\\' rather than a null character, so nulls are not special. Fix
2294 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2295 speed trigraph conversion.
2296 (_cpp_init_input_buffer): Initialize trigraph map.
2298 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2300 * config/i386/i386.c (output_387_binary_op): Correct intel
2301 mode assembly output, and add spaces after commas in AT&T
2302 output. Correct Unixware assembler comment. Document input
2303 constraints. Comment fp operations. Reduce profligate buffer
2304 size. Remove extraneous abort. Localize temp var.
2305 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2306 (output_fix_trunc): Add spaces after commas in assembly output.
2308 2000-03-27 Richard Henderson <rth@cygnus.com>
2310 * i386-protos.h (ix86_match_ccmode): Declare.
2311 * i386.c (ix86_match_ccmode): New.
2312 (ix86_expand_fp_compare): Update for pattern renames.
2313 (ix86_expand_strlensi_unroll_1): Likewise.
2314 * i386.h (EXTRA_CC_MODES): Add CCZ.
2315 (SELECT_CC_MODE): Use it for EQ/NE zero.
2316 * i386.md (cmpsi_ccz_1): New.
2318 (*testsi_ccz_1): New.
2319 (testqi_ccz_1): New.
2320 (cmpsi_ccno_1): Rename from cmpsi_0.
2321 (testsi_ccno_1): Rename from testsi_1.
2322 (testqi_ccno_1): Rename from testqi_1.
2323 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2324 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2325 (*cmphi_0): Use ix86_match_ccmode.
2326 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2327 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2328 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2329 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2330 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2331 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2332 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2333 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2334 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2335 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2336 (appropriate peepholes): Likewise.
2337 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2338 (*subsi_3, *subhi_3, *subqi_3): Remove.
2339 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2340 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2341 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2342 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2343 (x86_shift_adj_1): Use CCZ.
2344 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2346 2000-03-27 Stan Cox <scox@cygnus.com>
2348 * resource.h (mark_resource_type): New.
2349 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2350 find_free_register): Use mark_resource_type.
2351 (mark_set_resources): Change include_delayed_effects
2352 to mark_resource_type.
2353 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2354 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2355 Use mark_resource_type.
2357 2000-03-27 Richard Henderson <rth@cygnus.com>
2359 * i386.md (call_pop_0, call_value_pop_0): New.
2360 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2361 (call_value_pop_1): Likewise.
2362 (call_0, call_value_0): New.
2363 (call_1, call_value_1): Remove constraint from unused arg.
2365 2000-03-27 Nick Clifton <nickc@cygnus.com>
2367 * invoke.texi (Spec Files): Document new spec % command created by
2368 Tom Tromey's recent patch.
2370 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2372 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2375 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2377 * expr.c (expand_assignment): Fix typo in last change.
2379 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2381 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2383 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2384 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2385 and DECL_INLINE if FUNCTION_DECL.
2386 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2387 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2388 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2389 (combine_parm_decls): Likewise.
2390 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2391 * print-tree.c (print_node): Likewise.
2392 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2393 DECL_TRANSPARENT_UNION on proper decl types.
2394 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2395 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2396 DECL_BIT_FIELD of FIELD_DECL.
2397 * tree.h (DECL_RESULT_FLD): New macro.
2399 * expr.c (expand_assignment): Add code to handle variable-sized
2402 2000-03-26 Richard Henderson <rth@cygnus.com>
2404 * calls.c (expand_call): Pass parms not original exp to
2405 optimize_tail_recursion. Mind return value instead of looking
2407 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2408 call_expr. Move checks for call_expr and current_function_decl ...
2409 (expand_return): ... here.
2411 2000-03-26 Tom Tromey <tromey@cygnus.com>
2413 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2414 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2416 (process_command): Use them.
2417 (check_live_switch): Likewise.
2418 (give_switch): Skip ignored switches.
2420 2000-03-26 Jan Hubicka <jh@suse.cz>
2422 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2423 for minimal jump pass test.
2425 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2427 * integrate.c (function_cannot_inline_p): Do inline functions that
2430 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2432 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2433 now a list of TREE_LIST entries, not types.
2434 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2436 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2437 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2439 * config/mips/mips.c (function_arg): Likewise; also remove cast
2440 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2441 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2442 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2443 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2444 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2445 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2446 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2447 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2448 num_adjusts now unsigned.
2449 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2450 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2452 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2453 as is BITPOS variable; use host_integerp and int_bit_position.
2454 (function_arg_record_value_2): Likewise.
2455 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2456 Variable REGNO now unsigned.
2457 (function_arg_record_value): NREGS now unsigned.
2459 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2461 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2463 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2465 * Rework fields used to describe positions of bitfields and
2466 modify sizes to be unsigned and use HOST_WIDE_INT.
2467 * alias.c (reg_known_value_size): Now unsigned.
2468 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2469 (really_start_incremental_init): Use bitsize_zero_node.
2470 (push_init_level, pop_init_level, output_init_element): Likewise.
2471 Use bitsize_unit_node and bitsize_one_node.
2472 (output_pending_init_elements, process_init_element): Likewise.
2473 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2474 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2475 HOST_WIDE_INT, respectively.
2476 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2477 (num_sign_bit_copies): Returns unsigned.
2478 BITWIDTH now unsigned; rework arithmetic.
2479 Remove recursive call from arg to MAX.
2480 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2481 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2483 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2484 (find_split_point, expand_compound_operation, make_extraction): LEN
2485 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2486 (make_field_assignment): Likewise.
2487 (combine_simplify_rtx): Add cast.
2488 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2489 (force_to_mode): WIDTH now unsigned; add cast.
2490 (if_then_else_cond): SIZE now unsigned.
2491 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2492 (extended_count): Now returns unsigned.
2493 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2494 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2495 (simplify_comparison): MODE_WIDTH now unsigned.
2496 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2497 (mark_used_regs_combine): Likewise; rework arithmetic.
2498 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2499 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2500 (record_promoted_value): REGNO now unsigned.
2501 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2502 (get_last_value): REGNO now unsigned.
2503 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2504 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2505 (remove_death): Arg REGNO now unsigned.
2506 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2507 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2509 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2510 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2511 (struct cse_reg_info): REGNO now unsigned.
2512 (cached_regno): Now unsigned.
2513 (REGNO_QTY_VALID_P): Add cast.
2514 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2515 (remove_invalid_regs): Likewise.
2516 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2517 as are variables END and I.
2518 (get_cse_reg_info, insert): Likewise.
2519 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2520 (canon_hash): Likewise.
2521 (insert_regs, lookup_for_remove): REGNO now unsigned.
2522 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2524 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2525 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2526 * emit-rtl.c (subreg_realpart_p): Add cast.
2527 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2528 (operand_subword_force): Arg I is now unsigned.
2529 * except.c (eh_regs): Variable I is now unsigned.
2530 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2531 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2532 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2533 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2534 (extract_split_bit_field, store_bit_field, extract_bit_field):
2536 * expr.c (store_constructor_fields, store_constructor, store_field):
2537 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2538 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2539 (do_jump): Likewise.
2540 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2541 MAX_SIZE is now unsigned.
2542 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2543 (emit_group_store): Likewise.
2544 (emit_move_insn): I now unsigned.
2545 (store_constructor): Use host_integerp, tree_low_cst, and
2547 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2548 Rework all calculations to use trees and new fields.
2549 * expr.h (promoted_input_arg): Regno now unsigned.
2550 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2551 (mark_seen_cases): Arg is HOST_WIDE_INT.
2552 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2553 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2554 precisions and alignments are unsigned.
2555 (optimize_bit_field_compare, fold_truthop): Likewise.
2556 (int_const_binop): Adjust threshold for size_int_type_wide call.
2557 (fold_convert): Likewise.
2558 (size_int_type_wide): Make table larger and fix thinko that only
2559 had half of table used.
2560 (all_ones_mask_p, fold): Precisions are unsigned.
2561 * function.c (put_reg_info_stack): REGNO is unsigned.
2562 (instantiate_decl): Size is HOST_WIDE_INT.
2563 (instantiate_virtual_regs): I is unsigned.
2564 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2565 (promoted_input_arg): REGNO is unsigned.
2566 * function.h (struct function): x_max_parm_reg is now unsigned.
2567 * gcse.c (max_gcse_regno): Now unsigned.
2568 (struct null_pointer_info): min_reg and max_reg now unsigned.
2569 (lookup_set, next_set): REGNO arg now unsigned.
2570 (compute_hash_table): REGNO and I now unsigned.
2571 (handle_avail_expr): regnum_for_replacing now unsigned.
2572 (cprop_insn): REGNO now unsigned.
2573 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2574 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2575 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2576 * hard-reg-set.h (reg_class_size): Now unsigned.
2577 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2578 * jump.c (mark_modified_reg): I now unsigned; add cast.
2579 (rtx_equal_for_thread_p): Add cast.
2580 * loop.c (max_reg_before_loop): Now unsigned.
2581 (struct_movable): REGNO now unsigned.
2582 (try_copy_prop): REGNO arg unsigned.
2583 (regs_match_p): XN and YN now unsigned.
2584 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2585 (strength_reduce): Likewise; NREGS also unsigned.
2586 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2587 * loop.h (struct iv_class): REGNO now unsigned.
2588 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2590 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2591 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2592 * optabs.c (expand_binop): I and NWORDS now unsigned.
2593 (expand_unop): I now unsigned.
2594 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2595 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2596 * real.c (significand_size): Now returns unsigned.
2597 * real.h (significand_size): Likewise.
2598 * regclass.c (reg_class_size): Now unsigned.
2599 (choose_hard_reg_mode): Both operands now unsigned.
2600 (record_reg_classes): REGNO and NR now unsigned.
2601 (reg_scan): NREGS now unsigned.
2602 (reg_scan_update): old_max_regno now unsigned.
2603 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2604 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2605 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2606 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2607 Likewise for variable R.
2608 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2609 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2610 (find_equiv_reg): Add casts.
2611 (regno_clobbered_p): Arg REGNO now unsigned.
2612 * reload.h (struct reload): NREGS now unsigned.
2613 (refers_to_regno_for_reload_p): Regno args are unsigned.
2614 (regno_clobbered_p): Likewise.
2615 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2616 (compute_use_by_pseudos): REGNO now unsigned.
2617 (find_reg): I and J now unsigned, new variable K, and change loop
2618 variables accordingly; THIS_NREGS now unsigned.
2619 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2620 (spill_hard_reg): REGNO arg now unsigned; add casts.
2621 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2622 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2623 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2624 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2625 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2626 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2627 (emit_reload_insns): REGNO now unsigned.
2628 (reload_cse_move2add): Add cast.
2629 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2631 * resource.c (mark_referenced_resources, mark_set_resources): New
2632 variable R; REGNO and LAST_REGNO now unsigned.
2633 (mark_target_live_regs): J and REGNO now unsigned.
2634 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2635 * rtl.h (union rtunion_def): New field rtuint.
2636 (XCUINT): New macro.
2637 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2638 (operand_subword, operand_subword_force): Word number is unsigned.
2639 (choose_hard_reg_mode): Operands are unsigned.
2640 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2641 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2642 (regno_use_in, combine_instructions, remove_death): Likewise.
2643 (reg_scan, reg_scan_update): Likewise.
2644 (extended_count): Return is unsigned.
2645 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2646 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2647 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2648 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2649 (reg_reg_last_1): FIRS and LAST now unsigned.
2650 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2651 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2653 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2654 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2655 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2656 (replace_regs): Arg NREGS now unsigned.
2657 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2658 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2659 (simplify_binary_operation): Likewise.
2660 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2661 THIS_LAST now unsigned.
2662 (cselib_record_set): Add cast.
2663 * ssa.c (ssa_max_reg_num): Now unsigned.
2664 (rename_block): REGNO now unsigned.
2665 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2667 (all_cases_count): Just return -1 not -2.
2668 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2669 Rework tests to use trees whenever possible.
2670 Use host_integerp and tree_low_cst.
2671 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2672 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2673 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2674 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2675 (smallest_mode_for_size): Likewise.
2676 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2677 KNOWN_ALIGN is now an alignment, so simplify code.
2678 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2679 (start_record_layout): Renamed from new_record_layout_info.
2680 Update to new fields.
2681 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2683 (place_union_field): Renamed from layout_union_field.
2684 Update to use new fields in rli.
2685 (place_field): Renamed from layout_field.
2686 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2687 (finalize_record_size): Rework to use new fields in rli and handle
2689 (compute_record_mode): Rework to simplify and to use new DECL fields.
2690 (finalize_type_size): Make rounding more consistent.
2691 (finish_union_layout): Deleted.
2692 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2693 (layout_type, case RECORD_TYPE): Call new function names.
2694 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2695 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2696 (get_best_mode): UNIT is now unsigned; remove casts.
2697 * tree.c (bit_position): Compute from new fields.
2698 (byte_position, int_byte_position): New functions.
2699 (print_type_hash_statistics): Cast to remove warning.
2700 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2701 (build_index_type): Likewise; make subtype of sizetype.
2702 (build_index_2_type): Pass sizetype to build_range_type.
2703 (build_common_tree_nodes): Use size_int and bitsize_int to
2704 initialize nodes; add bitsize_{zero,one,unit}_node.
2705 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2706 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2707 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2708 (DECL_FIELD_BITPOS): Deleted.
2709 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2710 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2711 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2712 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2713 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2714 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2715 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2716 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2717 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2718 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2719 (DECL_ALIGN): Adjust to new field in union.
2720 (DECL_OFFSET_ALIGN): New field.
2721 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2722 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2723 (union tree_decl): Add struct for both aligns.
2724 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2725 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2726 (struct record_layout_info): Rework fields to have offset
2727 alignment and byte and bit position.
2728 (start_record_layout, place_field): Renamed from old names.
2729 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2730 (byte_position, int_byte_position): Likewise.
2731 (get_inner_reference): Change types of position and length.
2732 * unroll.c (unroll_loop): New variable R; use for some loops.
2733 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2734 (calculate_giv_inc): Arg REGNO now unsigned.
2735 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2736 * varasm.c (assemble_variable): Clean up handling of size using
2737 host_integerp and tree_low_cst.
2738 (decode_addr_const): Use byte, not bit, position.
2739 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2740 use tree_low_cst and int_bit_position.
2741 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2743 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2745 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2746 (reorder_block_def): New members eff_head and eff_end.
2747 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2748 (verify_insn_chain): New function.
2749 (skip_insns_between_block): Add code to skip deleted insns.
2750 Check for note before using.
2751 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2752 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2753 Check for note before using.
2754 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2755 (fixup_reorder_chain): Restructure, clean up, defect removal.
2756 (reorder_basic_blocks): Remove last_insn and references to it.
2757 Moved insn chain verification code into a new function (see above).
2758 Delete defective code that sets last insn.
2759 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2762 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2764 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2766 2000-03-24 Richard Henderson <rth@cygnus.com>
2768 * tree.c (lang_safe_for_unsave): Remove.
2769 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2770 allowing for two levels of unsafeness. Remove lang hook.
2771 * tree.h: Update declarations.
2772 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2773 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2774 Always fail sibcalls when there are pending cleanups.
2776 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2778 * flow.c (propagate_block): When we delete an ADDR_VEC,
2779 also delete the BARRIER following it if there is one.
2781 2000-03-24 Richard Henderson <rth@cygnus.com>
2783 * builtins.c (expand_builtin_bzero): Convert `length' argument
2786 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2788 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2789 comparison if regno's are equal.
2790 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2791 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2792 (expand_call): Update caller.
2793 Avoid making a sibling call if argument size of the callee is larger
2794 than argument size of the caller.
2795 Call hard_function_value with outgoing set if in sibcall pass.
2796 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2798 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2799 Change LEAF_REGISTERS from an array initializer to actual array
2800 identifier. Move static global variable into the function.
2801 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2802 sequences for leaf functions.
2803 * global.c (global_alloc): Likewise.
2804 * tm.texi (LEAF_REGISTERS): Update documentation.
2806 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2807 TARGET_FLAT leaf disabling hack.
2808 (LEAF_REGISTERS): Changed from an array initializer to actual array
2809 identifier to avoid duplication and remove the above hack.
2810 (FUNCTION_OK_FOR_SIBCALL): Define.
2811 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2812 always like call attribute.
2813 (eligible_for_sibcall_delay): New attribute.
2814 (sibcall): New delay type.
2815 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2816 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2817 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2818 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2819 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2821 (output_function_epilogue): Move part of the code into
2822 output_restore_regs.
2823 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2825 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2828 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2829 until infrastructure is finished.
2831 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2833 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2834 (save_parm_insns): Not here.
2836 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2838 * builtins.c (expand_builtin_bzero): New function.
2839 (expand_builtin): Handle bzero.
2841 * builtins.def: Add BUILT_IN_BZERO.
2843 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2844 prototype & function for bzero.
2846 2000-03-23 Michael Meissner <meissner@redhat.com>
2848 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2849 change adding TARGET_FP to the TF floating point insns, except for
2850 trunctfsf2, which generates direct calls to truncdfsf2.
2852 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2854 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2855 try to protect against middle-end changes that break binary
2857 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2859 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2861 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2863 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2865 * calls.c (expand_call): If TARGET is passed by reference and
2866 is readonly, write a CLOBBER.
2868 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2870 * builtins.c (expand_builtin): Handle bcmp.
2872 * builtins.def: Add BUILT_IN_BCMP.
2874 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2875 prototype & function for bcmp.
2877 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2879 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2880 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2881 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2883 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2885 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2886 alternative when using -fp64 -gp32.
2888 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2890 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2891 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2892 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2894 * frame.h (frame_state): Revert last change.
2895 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2896 * libgcc2.c (throw_helper): Revert last change.
2898 2000-03-22 Richard Henderson <rth@cygnus.com>
2900 * stmt.c (expand_asm_operands): Don't promote the temporary.
2902 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2904 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2905 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2906 c_get_alias_set): Likewise.
2907 * c-decl.c (duplicate_decls): Likewise.
2908 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2909 * calls.c (initialize_argument_information): Likewise.
2910 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2912 * dwarfout.c (decl_class_context,output_type): Likewise.
2913 * expr.c (get_inner_reference): Likewise.
2914 * fold-const.c (simple_operand_p,fold): Likewise.
2915 * function.c (aggregate_value_p): Likewise.
2916 * stmt.c (expand_asm_operands): Likewise.
2917 * varasm.c (named_section): Likewise.
2919 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2921 Implement dwarf2 exception handling for the ARM.
2922 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2923 (DWARF_FRAME_RETURN_COLUMN): Define.
2924 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2925 REG_FRAME_RELATED_EXPR note.
2926 (emit_sfm): Likewise.
2927 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2928 * dwarf2out.c (reg_save): Handle saving a register to itself.
2929 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2930 * except.c (eh_regs): Don't use the static chain reg if it's
2932 * frame.h (frame_state): Add cfa_saved field.
2933 * frame.c (execute_cfa_insn): Set it.
2934 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2936 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2938 (instantiate_virtual_regs): Adjust.
2940 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2941 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2942 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2944 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2945 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2947 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2949 * builtins.def: New file.
2951 * Makefile.in (TREE_H): Depend on builtins.def.
2953 * builtins.c (built_in_names): Use builtins.def.
2955 * tree.h (built_in_function): Likewise.
2957 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2959 * tree.c (size_in_bytes): Return size_zero_node, not
2962 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2964 * config/fp-bit.c (pack_d): Correct the case when a denormal
2965 is rounded up and stops being denormal.
2967 2000-03-21 Richard Henderson <rth@cygnus.com>
2969 * config/alpha/alpha.c (function_arg): Check for void_type_node
2970 before using MUST_PASS_IN_STACK.
2972 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2974 * regmove.c (combine_stack_adjustments_for_block): Check that
2975 the stack pointer is a valid memory address.
2977 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2979 * calls.c: re-install Mar 16 emit_library_call merge.
2981 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2983 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2984 we cannot be sure that if reload_completed base register will
2985 be properly aligned.
2987 2000-03-21 Richard Henderson <rth@cygnus.com>
2989 * flow.c (delete_block): Fix typo last change.
2991 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2993 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2994 not COMPLETE_TYPE_P, to check the type of the expression.
2996 2000-03-21 Michael Meissner <meissner@redhat.com>
2998 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2999 all floating point insns that just tested the macro
3000 TARGET_HAS_XFLOATING_LIBS.
3001 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
3002 used to only use the gprs.
3004 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
3006 * tree.h (COMPLETE_TYPE_P): New macro.
3007 (COMPLETE_OR_VOID_TYPE_P): New macro.
3008 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
3009 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
3010 * c-aux-info.c (gen_type): Use them.
3011 * c-common.c (c_expand_expr_stmt): Likewise.
3012 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
3013 grokdeclarator, grokparms, finish_struct, start_function,
3014 store_parm_decls, combine_parm_decls): Likewise.
3015 * c-parse.y (cast_expr): Likewise.
3016 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
3017 c_size_in_bytes, c_alignof, build_component_ref,
3018 build_indirect_ref, build_array_ref, convert_arguments,
3019 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
3020 * calls.c (initialize_argument_information): Likewise.
3021 * convert.c (convert_to_integer): Likewise.
3022 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
3023 * dwarfout.c (location_or_const_value_attribute,
3024 output_enumeration_type_die, output_structure_type_die,
3025 output_union_type_die, output_type): Likewise.
3026 * expr.c (safe_from_p, expand_expr): Likewise.
3027 * function.c (assign_parms): Likewise.
3028 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
3029 * tree.c (build_array_type, build_function_type,
3030 build_method_type, build_offset_type, build_complex_type): Likewise.
3031 * c-parse.c, c-parse.h: Regenerated.
3033 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3035 * config/c4x/rtems.h: Include config/rtems.h.
3037 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
3039 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
3040 decl is a FUNCTION_DECL
3042 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
3044 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
3045 function uses output registers. Don't save RP for leaf functions.
3046 Do save RP even if no epilogue.
3047 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
3048 (CALL_USED_REGISTERS): Unmark in registers.
3049 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
3052 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3054 * config/rs6000/rs6000.md (bunordered): New expander.
3055 (bordered): New expander.
3056 (buneq): New expander.
3057 (bunge): New expander.
3058 (bungt): New expander.
3059 (bunle): New expander.
3060 (bunlt): New expander.
3061 (bltgt): New expander.
3063 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
3064 (ccr_bit_negated_p): New function.
3065 (print_operand): For %C, generate appropriate cror for UNEQ,
3066 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
3068 2000-03-20 Andreas Jaeger <aj@suse.de>
3070 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
3073 * tree.h (safe_for_unsave): Prototype.
3075 2000-03-20 Richard Henderson <rth@cygnus.com>
3077 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
3078 (combine_stack_adjustments_for_block): Don't allow sp references
3079 in the side of a set we're not fixing up.
3080 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
3081 after life_analysis.
3083 2000-03-20 Richard Henderson <rth@cygnus.com>
3085 * calls.c (expand_call): Don't bother generating tail call
3086 sequences if there are pending cleanups. Use
3087 expand_start_target_temps/expand_end_target_temps to elide
3088 cleanups created during sibcall expansion.
3090 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3092 * configure.in: Set $IFS to a value if it doesn't already have one
3093 in the --enable-checking handling.
3094 * configure: Regenerate.
3096 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3098 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
3099 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3102 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
3104 * jump.c (delete_noop_moves): Remove code attempting to
3105 combine stack adjustments.
3107 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3109 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
3110 * except.c (emit_cleanup_handler): Use them.
3111 (expand_end_all_catch): Likewise.
3112 * function.c (fixup_var_refs): Likewise.
3113 (expand_function_end): Clear catch_clauses_last.
3114 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
3115 * except.h (struct eh_status): New field x_catch_clauses_last.
3116 (catch_clauses_last): New define.
3118 * Makefile.in (tree.o): Depend on HASHTAB_H.
3119 * tree.c: Include hashtab.h.
3120 (struct type_hash): Remove next field.
3121 (TYPE_HASH_SIZE): Remove.
3122 (TYPE_HASH_INITIAL_SIZE): New define.
3123 (type_hash_table): Change type to htab_t.
3124 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
3125 mark_hash_entry): New functions.
3126 (init_obstacks): Allocate type hash.
3127 (type_hash_lookup): Use htab functions.
3128 (type_hash_add, mark_type_hash): Likewise.
3129 (dump_tree_statistics): Call print_type_hash_statistics.
3131 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3133 * rs6000/t-aix41: New file.
3135 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
3137 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
3139 * tm.texi (Driver): Fix typos and tweak entry for
3141 Move misplaced STRUCT_FORCE_BLK entry ...
3142 (Storage Layout): ... to here.
3143 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
3145 2000-03-19 Richard Henderson <rth@cygnus.com>
3147 * flow.c (delete_block): Delete the addr_vec along with the block.
3148 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
3151 * fold-const.c (extract_muldiv): Apply type check for defined
3152 overflow to multiply as well as divide.
3154 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
3156 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3158 * emit-rtl.c (remove_unncessary_notes): Check that all
3159 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
3160 associated NOTE_BLOCK.
3161 * function.h (identify_blocks): Update comments.
3162 (reorder_blocks): Declare.
3163 * function.c (identify_blocks): Don't take paramters.
3164 (reorder_blocks): Don't take parameters.
3165 * loop.h (find_loop_tree_blocks): Remove.
3166 (unroll_block_trees): Likewise.
3167 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
3168 reorder_blocks instead of unroll_block_trees.h
3169 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
3170 * stmt.c (find_loop_tree_blocks): Remove.
3171 (unroll_block_trees): Likewise.
3172 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
3173 in whole-function mode.
3174 * tree.h (reorder_blocks): Remove declaration.
3176 * expr.c: Include intl.h.
3177 * Makefile.in (expr.o): Depend on intl.h.
3179 2000-03-18 Richard Henderson <rth@cygnus.com>
3181 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
3183 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3185 * tree.h (tree_index): Remove enumerals for integer types.
3186 (integer_type_kind): New type.
3187 (integer_types): New variable.
3188 (char_type_node): Adjust.
3189 (signed_char_type_node): Likewise.
3190 (unsigned_char_type_node): Likewise.
3191 (short_integer_type_node): Likewise.
3192 (short_unsigned_type_node): Likewise.
3193 (integer_type_node): Likewise.
3194 (unsigned_type_node): Likewise.
3195 (long_integer_type_node): Likewise.
3196 (long_unsigned_type_node): Likewise.
3197 (long_long_integer_type_node): Likewise.
3198 (long_long_unsigned_type_node): Likewise.
3199 * tree.c (integer_types): New variable.
3200 (init_obstacks): Register it as a root.
3202 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
3204 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
3205 NEXT_INSN. Update last insn in chain.
3207 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
3209 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
3210 with TYPE_DECL_SUPPRESS_DEBUG set.
3212 2000-03-18 Richard Henderson <rth@cygnus.com>
3214 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
3216 2000-03-18 Richard Henderson <rth@cygnus.com>
3218 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
3219 care for HALF_PIC_P.
3220 (expander_call_insn_operand): Remove.
3221 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
3222 * i386.h (PREDICATE_CODES): Update.
3223 * i386.md (all call expanders): Remove predicates, remove special
3224 handling for half-pic.
3225 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
3226 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
3227 (sibcall_epilogue): New.
3229 2000-03-17 Richard Henderson <rth@cygnus.com>
3231 * rtlanal.c (single_set): Reject if the parallel has anything
3232 except SET or USE or CLOBBER.
3234 2000-03-17 Jeff Law <law@cygnus.com>
3235 Richard Henderson <rth@cygnus.com>
3237 * Makefile.in (OBJS): Add sibcall.o.
3239 * sibcall.c: New file.
3240 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
3241 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
3242 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
3243 Emit sibcall patterns when requested. Update all callers.
3244 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
3245 elimination seems feasable.
3246 * final.c (leaf_function_p): Sibling calls don't discount being
3248 * flow.c (HAVE_sibcall_epilogue): Provide default.
3249 (find_basic_blocks_1): Sibling calls don't throw.
3250 (make_edges): Make edge from sibling call to EXIT.
3251 (propagate_block): Don't remove sibcall_epilogue insns.
3252 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
3253 (sibcall_epilogue): New.
3254 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
3255 (identify_blocks_1): Likewise. Break out from ...
3256 (identify_blocks): ... here.
3257 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
3258 (reorder_blocks): ... here.
3259 (init_function_for_compilation): Zap prologue/epilogue as varrays.
3260 (record_insns): Extend a varray instead of mallocing new memory.
3261 (contains): Read a varray not array of ints.
3262 (sibcall_epilogue_contains): New.
3263 (thread_prologue_and_epilogue_insns): Emit and record
3264 sibcall_epilogue patterns.
3265 (init_function_once): Allocate prologue/epilogue varrays.
3266 * genflags.c (gen_insn): Treat sibcall patterns as calls.
3267 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
3269 (save_for_inline_nocopy): ... here.
3270 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
3272 (expand_inline_function): ... here.
3273 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
3274 (subst_constants): Handle 'n' formats.
3275 * jump.c (jump_optimize_minimal): New.
3276 (jump_optimize_1): New arg `minimal'; update callers. Elide most
3277 optimizations if it's set.
3278 * rtl.c (copy_rtx): Do copy jump & call for insns.
3279 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3280 (SIBLING_CALL_P): New.
3281 (sibcall_use_t): New.
3282 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3283 Invoke optimize_sibling_and_tail_recursive_calls.
3284 * tree.c (lang_safe_for_unsave): New.
3285 (safe_for_unsave): New.
3286 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3288 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3289 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3290 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3292 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3294 * objc/objc-act.c (encode_method_prototype): Pass types, not
3295 PARM_DECLs, to int_size_in_bytes.
3297 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3299 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3301 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3302 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3304 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3306 * Clean up usages of TREE_INT_CST_LOW.
3307 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3308 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3310 * c-tree.h (min_precision): Move declaration to here.
3311 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3312 (build_unary_op, add_pending_init): Use bit_position.
3313 (pending_init_member, process_init_element): Likewise.
3314 (really_start_incremental_init, push_init_level, pop_init_level):
3315 Don't make copies of nodes or modify them in place, use consistent
3316 types when tracking positions, and use tree routines computations.
3317 (set_init_index, output_init_element): Likewise.
3318 (output_pending_init_elements, process_init_element): Likewise.
3319 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3320 tree_low_cst and int_bit_position; also minor cleanup.
3321 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3322 (print_cst_octal): Precision is unsigned.
3323 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3324 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3325 (simple_type_align_in_bits): Result is unsigned int.
3326 Use tree_int_low_cst and host_integerp.
3327 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3328 (field_byte_offset): Result is HOST_WIDE_INT.
3329 Change types of internal variables so alignments are unsigned int,
3330 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3331 Use host_integerp, tree_low_cst, and int_bit_position.
3332 (add_bit_offset_attribute): Likewise.
3333 (add_data_member_location_attribute): Use tree_cst_low.
3334 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3335 (add_bit_size_attribute): Use tree_low_cst.
3336 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3337 * dwarfout.c: Similar changes to dwarf2out.c.
3338 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3339 * genoutput.c (n_occurences): Return -1 for null string.
3340 (strip_whitespace): Accept null string and make into function.
3341 (scan_operands): Reflect above changes.
3342 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3343 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3344 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3345 * tree.c (int_size_in_bytes): Check for too big to represent.
3346 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3347 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3349 (min_precision): Delete from here.
3350 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3351 and int_bit_position.
3352 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3353 (encode_method_def): Likewise.
3354 (build_ivar_list_initializer): Use int_bit_position.
3355 (generate_shared_structures): Convert size.
3356 (encode_type, encode_complete_bitfield): Use integer_zerop.
3357 (encode_bitfield): Use tree_low_cst and int_bit_position.
3359 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3361 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3363 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3365 * call.c (special_function_p): It is only malloc if it returns
3368 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3370 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3371 (C33_FLAG, TARGET_C3X): Add macros.
3372 (TARGET_SWITCHES): Add -m33 option.
3373 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3375 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3377 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3378 (PARALLEL_PACK_FLAG): Delete.
3379 (TARGET_SWITCHES): Update.
3380 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3382 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3384 * fold-const.c (fold): Fix a few cases when the returned result
3385 is not of the same type as the input.
3387 2000-03-16 Nick Clifton <nickc@cygnus.com>
3389 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3392 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3394 * libgcc2.h: Move prototypes above macros with the same name.
3395 Wrap some function prototypes in the conditional which indicates
3396 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3398 2000-03-16 Richard Henderson <rth@cygnus.com>
3400 * calls.c: Revert last two changes.
3402 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3404 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3405 has exponent 0 is a zero.
3407 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3408 HASH may already be nonzero. Add code/mode into hash value
3409 immediately after repeat label.
3410 (cselib_lookup): Don't leave the hash table in an inconsistent
3411 state before a hash lookup operation.
3413 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3415 * i386.md (all HI and QI mode non-move patterns): Conditionize
3416 by TARGET_[HQ]IMODE_MATH.
3417 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3418 x86_promote_qi_regs): Declare.
3419 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3420 TARGET_PROMOTE_QI_REGS): New macros.
3421 (PROMOTE_MODE): New macro.
3422 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3423 x86_promote_qi_regs): New global variables.
3425 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3427 * calls.c (emit_library_call_value_1): Break out from ...; handle
3428 VOIDmode function calls too.
3429 (emit_library_call_value): ... here.
3430 (emit_library_call): Implement by calling emit_library_call_value_1.
3432 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3434 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3435 Update arg_space_so_far on stack adjustments.
3436 (emit_library_call, emit_library_call_value): Likewise; take into
3437 account arg_space_so_far and pending_stack_adjust when calculcating
3440 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3442 * flow.c: Move all basic block reordering code into its own file.
3443 (create_basic_block): Externalize.
3444 * bb-reorder.c: New file. Copy all basic block reordering code from
3445 flow.c to this file.
3446 (reorder_basic_blocks): Fix fencepost error in for-loop.
3447 (reorder_basic_blocks): Remove braces from single statement for-loops.
3448 * basic-block.h: Add declaration for create_basic_block.
3449 * Makefile.in: Add rules for bb-reorder.o.
3451 2000-03-16 Neil Booth <NeilB@earthling.net>
3453 * cppinit.c (handle_option): Implement #unassert directive
3454 as -A- command line option.
3455 (print_help): Update.
3456 * cpptexi.c: Update.
3458 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3460 * md.texi (Standard Names): Document `jump'.
3462 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3464 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3467 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3469 Merge changes from newppc-branch onto trunk.
3471 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3473 * rs6000.c (toc_hash_table): Update for new hash table functions.
3474 (toc_hash_function): Likewise.
3475 (toc_hash_eq): Likewise.
3476 (toc_hash_mark_entry): Likewise.
3477 (toc_hash_mark_table): Likewise.
3478 (output_toc): Likewise.
3479 (rs6000_add_gc_roots): Likewise.
3481 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3483 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3484 (AR_FLAGS_FOR_TARGET): here. New macro.
3486 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3488 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3489 fpmem_operand) Delete.
3491 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3492 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3493 (rs6000_save_machine_status, rs6000_restore_machine_status,
3494 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3495 references to above variables.
3496 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3497 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3498 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3499 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3500 (XER_REGNO_P, XER_REGNO): New.
3501 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3502 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3503 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3505 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3506 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3507 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3509 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3511 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3512 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3513 * rs6000.h: from here.
3515 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3516 (rs6000_select_rtx_section): Likewise.
3517 (rs6000_encode_section_info): Likewise.
3518 (sdata_section): Likewise.
3519 (sdata2_section): Likewise.
3520 (sbss_section): Likewise.
3521 * sysv4.h (rs6000_select_section): Delete prototype.
3522 (rs6000_select_rtx_section): Likewise.
3523 (rs6000_encode_section_info): Likewise.
3524 (sdata_section): Likewise.
3525 (sdata2_section): Likewise.
3526 (sbss_section): Likewise.
3527 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3529 * sysv4.h: Delete various unnecessary #undef's and put a comment
3530 on the remaining ones.
3531 Change various comments according to coding standard.
3533 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3535 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3536 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3537 (CR0_REGNO_P) Remove.
3538 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3539 setup_incoming_varargs, mtcrf_operation, print_operand,
3540 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3541 Use the above macros.
3543 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3545 * config/rs6000/rs6000.md: Added a new alternative for each
3546 pattern that had a 'x' alternative but no 'y' alternative.
3547 Added a new split for each of the above patterns.
3549 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3551 * aix41.h (ASM_CPU_SPEC): Delete.
3552 (CPP_CPU_SPEC): Delete.
3554 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3555 (ASM_OUTPUT_LABEL): Define.
3556 (ASM_GLOBALIZE_LABEL): Define.
3557 (STRIP_NAME_ENCODING): Define.
3558 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3559 (STRIP_NAME_ENCODING): Don't define.
3560 (ASM_OUTPUT_LABEL): Don't define.
3561 (ASM_GLOBALIZE_LABEL): Don't define.
3562 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3563 names, and ASM_OUTPUT_LABEL to output labels, rather than
3565 (ASM_OUTPUT_LABEL): Define.
3566 (ASM_OUTPUT_INT): Use assemble_name.
3567 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3568 (STRIP_NAME_ENCODING): Don't undefine first.
3569 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3571 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3572 specified with 'asm' even with -fleading-underscore.
3573 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3574 (output_epilog): Likewise.
3575 (output_toc): Likewise.
3576 * tramp.asm: Handle -fleading-underscore correctly.
3578 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3580 (nonlocal_goto_receiver): Delete.
3581 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3583 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3584 (SET_ASM_OP): Define.
3585 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3587 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3590 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3591 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3593 * rs6000.h: Add 'u' to more constants.
3595 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3597 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3599 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3601 * rs6000.c (reg_or_u_cint_operand): New function.
3602 (logical_operand): Handle 64-bit hosts.
3603 (logical_u_operand): New function.
3604 (non_logical_cint_operand): Handle 64-bit hosts.
3605 (non_logical_u_cint_operand): New function.
3606 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3607 (PREDICATE_CODES): Define new functions.
3608 * rs6000-protos.h: Declare new functions.
3609 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3610 (movdi_64): Bracket code intended for 64-bit hosts. Create
3611 CONST_DOUBLE for 32-bit values.
3612 (scc insns): Generate DImode compares.
3613 (mfcr insns): Create DImode versions.
3614 (sge matchers): New patterns.
3616 2000-02-15 Gabriel Paubert <paubert@iram.es>
3618 * rs6000.md: Correct instructions length attributes and
3619 constraints on unsigned compare instructions.
3620 (*ne0): Disable for PowerPC64.
3622 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3624 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3625 quantity, fix profile1.C test failure under -fPIC.
3627 * rs6000.c: Add 'u' to many constants to suppress warnings.
3628 (constant_pool_expr_1): Make static.
3629 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3630 * rs6000.h: Add 'u' to many constants to suppress warnings.
3632 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3633 for the start of the TOC, instead of LCTOC..0.
3634 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3636 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3637 (load_toc_aix_di): Use LCTOC..1.
3639 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3640 * rs6000.c (rs6000_legitimize_address): New function from
3641 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3642 symbols in the constant pool that really are TOC references.
3643 (print_operand_address): For ELF, write TOC offsets under
3644 -fPIC as subtractions in the insn.
3645 (output_toc): For ELF, define symbols in TOC as normal labels,
3647 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3648 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3649 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3650 * rs6000.md (movsi): Only use create_TOC_reference on
3651 symbols in the constant pool that really are TOC references.
3653 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3654 * rs6000.c (rs6000_reorg): Delete.
3655 * rs6000-protos.h (rs6000_reorg): Delete.
3657 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3659 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3661 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3662 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3663 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3664 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3665 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3666 rs6000_aix_emit_builtin_unwind_init.
3667 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3668 rs6000_emit_eh_toc_restore on AIX.
3669 (return_eh_si): Use r2.
3670 (return_eh_di): Use r2.
3672 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3673 since we're breaking binary compatibility anyway.
3675 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3677 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3678 constant_pool_expr_p): Declare them.
3679 (constant_pool_expr_p): Declare it.
3680 * config/rs6000/rs6000.c (toc_label_name): Define.
3681 (rs6000_override_options): Set toc_label_name.
3682 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3683 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3684 uses_TOC): New functions.
3685 (print_operand): Delete old '*' case.
3686 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3687 and strip off rtl for TOC before calling output_addr_const.
3688 (rs6000_emit_load_toc_table): Use toc_label_name.
3689 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3691 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3692 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3693 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3694 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3695 into explicit TOC_REGISTER offsets.
3696 (TOC_REGISTER): New macro.
3697 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3698 TARGET_TOC to reference TOC_REGISTER.
3699 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3700 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3701 uses_TOC before emitting label references.
3703 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3705 * rs6000.md (stack_tie): Fix warning.
3707 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3708 to handle -fleading-underscore.
3709 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3710 (USER_LABEL_PREFIX): New macro.
3711 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3712 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3713 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3714 call-linux can use the same multilibs.
3715 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3716 and call-linux multilibs. Do multilib with -fleading-underscore.
3717 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3718 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3721 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3722 have MASK_SOFT_FLOAT set.
3723 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3724 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3725 CPP_FLOAT_DEFAULT_SPEC.
3727 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3728 * rs6000.md: Whitespace change.
3729 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3730 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3732 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3734 * rs6000.md (eh_epilogue): New expander.
3735 (eh_reg_restore): New expand/split/insn combination.
3736 (return_eh_si): New insn.
3737 (return_eh_di): New insn.
3739 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3740 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3741 * eabi-ctors.c (__do_global_ctors): Register this object's
3742 frame. Clean up. Call atexit() after the constructors.
3743 (__do_global_dtors): Deregister this object's frame. Clean up.
3744 Allow for recursive calls to exit().
3745 * rs6000.c (fixuplabelno): New variable.
3746 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3747 TARGET_RELOCATABLE, it slows down exec() under linux.
3748 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3750 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3751 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3752 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3753 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3754 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3755 (ASM_OUTPUT_DWARF_ADDR): New macro.
3756 (ASM_OUTPUT_DWARF_DATA4): New macro.
3757 (ASM_OUTPUT_DWARF_DATA2): New macro.
3758 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3759 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3760 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3762 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3764 * rs6000.c (rs6000_sr_alias_set): New variable.
3765 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3766 (rs6000_emit_stack_tie): New function.
3767 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3768 in a way that dwarf2out can understand.
3769 (rs6000_frame_related): New function.
3770 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3771 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3772 Use rs6000_emit_stack_tie when needed.
3773 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3774 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3775 * rs6000.md (stack_tie): New insn.
3776 (return_internal_si): Allow return value to be in the count
3778 (return_internal_di): Likewise.
3780 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3782 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3784 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3786 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3788 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3790 * rs6000.md (stmw): Use the right POWER opcode.
3793 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3795 * rs6000-protos.h: New file.
3797 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3799 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3802 * sysv4.h: Likewise.
3804 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3806 * ../../configure.in: Delete powerpcle-*-winnt*
3807 and powerpcle-*-pe|powerpcle-*-cygwin*.
3808 * ../../configure: Regenerated.
3810 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3811 (TARGET_WINDOWS_NT): Delete.
3813 (CALL_NT_DLLIMPORT): Delete.
3814 Delete NT-specific code.
3815 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3818 * nt-ci.asm: Delete.
3819 * nt-cn.asm: Delete.
3820 * ntstack.asm: Delete.
3822 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3824 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3825 (ASM_FILE_START): Likewise.
3826 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3827 (ASM_OUTPUT_LABELREF): Likewise.
3828 (ASM_OUTPUT_SKIP): Likewise.
3829 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3830 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3831 (ASM_OUTPUT_CASE_LABEL): Likewise.
3832 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3833 (ASM_OUTPUT_ASCII): Likewise.
3835 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3837 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3838 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3839 increment rs6000_pic_labelno here.
3840 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3841 and increment rs6000_pic_labelno here.
3843 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3845 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3846 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3847 allocation knows (reg) is dead before the insn.
3849 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3851 * rs6000.md (movsi_to_cr): Correct typo in output template.
3853 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3855 * rs6000.c (rs6000_pic_labelno): Always define.
3856 (rs6000_pic_func_labelno): Delete.
3857 (lmw_operation): Check for a zero base register,
3858 which doesn't mean what we want.
3859 (stmw_operation): New function.
3860 (print_operand): Define new 'l' modifier.
3861 (rs6000_stack_info): We must save all 64 bits of the registers
3862 if TARGET_POWERPC64.
3863 (rs6000_output_load_toc_table): Delete.
3864 (rs6000_emit_load_toc_table): New function.
3865 (rs6000_allocate_stack_space): Delete.
3866 (rs6000_emit_allocate_stack): New function.
3867 (rs6000_emit_prologue): New function.
3868 (output_prolog): Use rs6000_emit_prologue.
3869 (rs6000_emit_epilogue): Change a few variable names to be
3870 more accurate. Restore all 64 bits of the registers if
3871 TARGET_POWERPC64. Only restore the FP registers which were used
3872 if they are being saved/restored one-at-a-time.
3873 (output_mi_thunk): Delete inefficient code generation.
3874 (output_function_profiler): Don't use rs6000_output_load_toc_table.
3875 * rs6000.h: Declare rs6000_emit_load_toc_table,
3876 rs6000_allocate_stack_space, stmw_operation. Don't declare
3877 rs6000_output_load_toc_table.
3878 * rs6000.md (elf_high): Allow register 0, but discourage it
3880 (elf_low): Support loading into register 0.
3881 (load_toc_aix_si): New pattern.
3882 (load_toc_aix_di): New pattern.
3883 (load_toc_v4_pic_si): New pattern.
3884 (load_toc_v4_pic_di): New pattern.
3885 (load_toc_v4_PIC_1): New pattern.
3886 (load_toc_v4_PIC_1b): New pattern.
3887 (load_toc_v4_PIC_2): New pattern.
3888 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
3889 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
3890 (prologue): New expander.
3891 (movesi_from_cr): New pattern.
3892 (stmw): New pattern.
3893 (save_fpregs_si): New pattern.
3894 (save_fpregs_di): New pattern.
3896 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3898 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
3903 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3905 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
3907 (movsi_got_internal): Likewise.
3908 (movsi_got_internal+1): Likewise.
3909 (set_sp): 'unspec 7' does a SImode clobber.
3911 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3913 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
3914 allocate a stack temporary.
3915 (floatsidf2_internal): Likewise.
3916 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
3918 (floatunssidf2): Don't use the fpmem "register", just
3919 allocate a stack temporary.
3920 (floatunssidf2_internal): Likewise.
3921 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
3923 (floatsidf2_loadaddr): Delete.
3924 (floatsidf2_store1): Delete.
3925 (floatsidf2_store2): Delete.
3926 (floatsidf2_load): Delete.
3927 (fix_truncdfsi2): Don't use the fpmem "register", just
3928 allocate a stack temporary.
3929 (fix_truncdfsi2_internal_si): Delete.
3930 (fix_truncdfsi2_internal_di): Delete.
3931 (fix_truncdfsi2_internal): New insn.
3932 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
3933 (fix_truncdfsi2_store): Delete.
3934 (fix_truncdfsi2_load): Delete.
3935 (fctiwz): Produce gen_fctiwz.
3937 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
3939 * eabi.h (INVOKE__main): Define.
3940 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
3942 (rs6000_emit_prologue): Likewise.
3943 * rs6000.h (struct rs6000_stack): Don't keep track of whether
3944 this is the main program.
3946 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3948 * rs6000.c (rs6000_va_arg): Delete some unused variables.
3950 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3952 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
3953 goes after the argument.
3955 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3957 * rs6000.md: Document 'unspec' values used.
3958 (epilogue): New expander.
3959 (movesi_to_cr_one): New expander.
3960 (movesi_to_cr and following): New pattern.
3962 (return_internal_si): New pattern.
3963 (return_internal_di): New pattern.
3964 (return_and_restore_fpregs_si): New pattern.
3965 (return_and_restore_fpregs_di): New pattern.
3966 * rs6000.h: Declare new functions.
3967 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
3968 rather than rs6000_calls_p.
3969 (rs6000_makes_calls): Delete.
3970 (lmw_operation): New function.
3971 (mtcrf_operation): New function.
3972 (rs6000_emit_epilogue): New function.
3973 (output_epilog): Call rs6000_emit_epilogue and final if
3974 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
3976 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3978 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
3979 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
3980 * aix.h (SUBTARGET_SWITCHES): Document switches.
3981 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
3982 sched-prolog and sched-epilog the same. Document all the
3984 (TARGET_OPTIONS): No longer allow -mdebug-.
3986 2000-01-12 Geoff Keating <geoffk@cygnus.com>
3988 * rs6000.h (ASM_FILE_END): Move to aix.h.
3989 (EXTRA_SECTIONS): Move to aix.h.
3990 (READONLY_DATA_SECTION): Move to aix.h.
3991 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
3992 (SELECT_SECTION): Move to aix.h.
3993 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
3994 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
3995 (LINK_REGISTER_REGNUM): New definition.
3996 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
3997 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
3999 * sysv4.h: Delete the code between the inclusion of rs6000.h
4001 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
4002 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
4003 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
4004 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
4005 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
4006 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
4007 (fix_truncdfsi2_internal_di): New pattern.
4008 (fix_truncdfsi2_store): The second arg here is Pmode too.
4009 (fix_truncdfsi2_load): The second arg here is Pmode too.
4010 (tablejumpdi): Now that switch tables hold only SImode values,
4011 gcc needs to know how to add them to the pc which is DImode.
4012 * rs6000.c (rs6000_stack_info): Use symbolic name for
4013 LINK_REGISTER_REGNUM.
4014 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
4015 (output_toc): Delete unused variables s1 and s2.
4016 (output_ascii): Use fputs not fprintf on a variable string.
4018 2000-01-07 David Edelsohn <edelsohn@gnu.org>
4020 * rs6000.c (processor_target_table): Add power3 as alias for 630.
4021 * aix43.h: Revert Aug 2 change.
4022 (HAS_INIT_SECTION): Define, not visible yet.
4023 (LD_INIT_SWITCH): Define, not visible yet.
4024 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
4026 2000-01-04 Joel Sherrill (joel@OARcorp.com>
4028 * config/rs6000/rtems.h: Include config/rtems.h.
4030 2000-01-04 David Edelsohn <edelsohn@gnu.org>
4032 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4033 (SLOW_UNALIGNED_ACCESS): Define.
4034 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4035 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4036 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4037 (toc_section): Likewise and .toc pseudo-op.
4038 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4040 (TEXT_SECTION_ASM_OP): Likewise.
4041 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4044 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4046 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
4047 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4050 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4052 * rs6000.h: Move more stuff from here...
4054 * sysv4.h: Cleanup accordingly.
4055 * netware.h: Likewise
4057 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4059 * rs6000.h: Continue cleanup.
4062 * netware.h: Likewise.
4064 * sysv4.h: Likewise.
4065 * win-nt.h: Likewise.
4067 * rs6000.h (TARGET_SWITCHES): Add descriptions.
4068 (TARGET_OPTIONS): Likewise.
4070 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
4071 (SUBTARGET_OPTIONS): Likewise.
4073 * rs6000.md: Fix compile time warnings.
4075 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4077 vxworks patches from the Cygnus tree originally by
4078 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
4079 <vmakarov@cygnus.com>.
4080 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
4081 (ENDFILE_SPEC): Likewise.
4082 (LIB_VXWORKS_SPEC): New macro.
4083 (STARTFILE_VXWORKS_SPEC): New macro.
4084 (ENDFILE_VXWORKS_SPEC): New macro.
4085 (LINK_START_VXWORKS_SPEC): New macro.
4086 (LINK_OS_VXWORKS_SPEC): New macro.
4087 (CPP_OS_VXWORKS_SPEC): New macro.
4088 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
4089 * vxppc.h: Rewrite to use proper configuration method.
4090 * vxppcle.h: New file.
4091 * ../../configure.in: Add powerpcle-wrs-vxworks*.
4092 * ../../configure: Rebuilt.
4094 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4096 Lots of changes to rs6000.h, sysv4.h, aix.h,
4097 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
4098 with the aim that rs6000.h is the first header
4099 included and the others override it.
4102 * x-aix41-gld: Remove.
4104 * x-aix41: Remove target-specific switches, and don't specify
4105 -Wl,-bbigtoc as we don't need it any more.
4106 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
4107 Use t-aix43 for AIX 4.3 and above.
4108 * ../../configure: Regenerated.
4110 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
4111 options, that don't do anything yet.
4112 (MASK_SCHED_PROLOG): New macro.
4113 (MASK_SCHED_EPILOG): New macro.
4114 (TARGET_SCHED_PROLOG): New macro.
4115 (TARGET_SCHED_EPILOG): New macro.
4117 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4119 * rs6000.c: Correct comment, the `minimal' TOCs are actually
4120 one per translation unit, not one per function.
4121 (output_toc): Also do duplicate constant elimination
4122 for per-translation-unit TOCs.
4124 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
4125 a comment explaining _exactly_ when this pattern gets used.
4126 (builtin_setjmp_receiver): New pattern for better clarity.
4127 (init_v4_pic): Move it into a section dealing with TOC registers.
4129 1999-12-30 Geoff Keating <geoffk@cygnus.com>
4131 * rs6000.c (toc_hash_table): New variable.
4132 (rs6000_hash_constant): New function.
4133 (toc_hash_function): New function.
4134 (toc_hash_eq): New function.
4135 (toc_hash_mark_entry): New function.
4136 (toc_hash_mark_table): New function.
4137 (output_toc): Don't output duplicate TOC entries in
4139 (rs6000_add_gc_roots): Add the hash table as a GC root.
4140 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
4141 where they clearly shouldn't be. This may need to be fixed
4142 later when there is a GNU ar for AIX.
4143 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
4144 Don't define BOOT_LDFLAGS as it is now not necessary.
4146 1999-12-29 Geoff Keating <geoffk@cygnus.com>
4148 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
4149 for va_list on AIX. Use unsigned_char_type_node rather than
4150 constructing our own version on svr4.
4152 1999-12-17 Geoff Keating <geoffk@cygnus.com>
4154 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
4155 since patently it's not.
4157 1999-12-08 Geoff Keating <geoffk@cygnus.com>
4159 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
4160 define_expand/define_insn pair, and handle restore of the
4161 SVR4 -fpic register.
4163 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
4165 * acconfig.h (HAVE_GAS_WEAK): New define.
4166 * configure.in (assembler weak support): Check for .weak support.
4167 * config.in, configure: Rebuilt.
4168 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
4169 HAVE_GAS_WEAK is defined.
4171 2000-03-15 Nick Clifton <nickc@cygnus.com>
4173 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
4176 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
4178 * cppfiles.c (open_include_file): New function.
4179 (find_include_file, cpp_read_file): Use it.
4181 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4183 * cpphash.c (dump_hash_helper): Take the slot, not the element.
4185 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
4187 * flow.c (verify_flow_info): Check for unconditional return.
4189 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
4191 * config/ia64/ia64.md (restore_stack_nonlocal): New.
4192 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
4193 (__ia64_restore_stack_nonlocal): New.
4194 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
4196 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4198 * cpphash.c (collect_formal_parameters): Do not complain about
4199 parameter names that just start with `__VA_ARGS__'.
4201 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
4203 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
4204 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
4205 * i386.c (pentiumpro_cost): Set mul cost to 4.
4206 (x86_use_movx): Set for PPro.
4208 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
4210 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
4211 STACK_BOUNDARY for empty frames now.
4213 2000-03-14 Mark Mitchell <mark@codesourcery.com>
4215 * stor-layout.c (layout_union): Remove.
4216 (layout_union_field): New function, split out from layout_union.
4217 (finish_union_layout): Likewise.
4218 (layout_field): Handle unions by calling layout_union_field.
4219 (finish_record_layout): Handle unions.
4220 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
4221 QUAL_UNION_TYPE handling.
4223 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
4225 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
4226 end of basic block is jump_insn, not barrier; use create_basic_block
4227 instead of creating basic block by hand.
4229 2000-03-14 Jason Eckhardt <jle@cygnus.com>
4231 * flow.c (reorder_basic_blocks): Account for barriers when writing
4232 over NEXT_INSN (last_bb->end).
4233 (verify_flow_info): Add check for missing barriers.
4235 2000-03-14 Greg McGary <gkm@gnu.org>
4237 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
4238 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
4239 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
4240 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
4241 __unbounded, __unbounded__): New keywords.
4242 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
4243 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
4244 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
4246 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
4248 * cselib.h: New file.
4249 * alias.c: Include "cselib.h".
4250 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
4251 MEMs as two new arguments.
4252 (get_addr): New static function.
4253 (find_base_term): Handle VALUEs.
4254 (memrefs_conflict_p): Likewise.
4255 (true_dependence): Call get_addr on the addresses.
4256 Call fixed_scalar_and_varying_struct_p with addresses that have been
4257 passed through get_addr and canon_rtx.
4258 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
4259 with true_dependence.
4260 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
4261 * loop.c: Include "cselib.h".
4262 (load_mems): Process extended basic block that enters the loop with
4263 cselib. Use that information to change initialization of the shadow
4264 register so that a constant equivalence is seen by later passes.
4265 * reload1.c: Include "cselib.h".
4266 (reload_cse_invalidate_regno): Delete function.
4267 (reload_cse_mem_conflict_p): Likewise.
4268 (reload_cse_invalidate_mem): Likewise.
4269 (reload_cse_invalidate_rtx): Likewise.
4270 (reload_cse_regno_equal_p): Likewise.
4271 (reload_cse_check_clobber): Likewise.
4272 (reload_cse_record_set): Likewise.
4273 (reg_values): Delete static variable.
4274 (invalidate_regno_rtx): Likewise.
4275 (reload_cse_delete_noop_set): New static function.
4276 (reload_cse_simplify): New static function, broken out of
4278 (reload_cse_noop_set_p): Delete unused argument INSN.
4279 Just call rtx_equal_for_cselib_p on set source and destination.
4280 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4281 reload_cse_delete_noop_set. Delete code to keep track of values; use
4282 cselib functions instead. Delete code to push/pop obstacks.
4283 (reload_cse_simplify_set): Use cselib to find equivalent values.
4284 Delete code to push/pop obstacks.
4285 (reload_cse_simplify_operands): Likewise.
4286 * rtl.def (VALUE): New rtx code.
4287 * rtl.h (union rtunion_def): New elt rt_cselib.
4288 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4289 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4290 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4291 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4292 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4293 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4294 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4295 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4296 cselib_record_set, cselib_record_sets): New static functions.
4297 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4298 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4299 references_value_p): New functions.
4300 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4301 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4302 n_useless_values, reg_values, callmem, cselib_obstack,
4303 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4304 New static variables.
4305 * varray.h (union varray_data_tag): New elt te.
4306 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4307 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4310 2000-03-14 Nick Clifton <nickc@cygnus.com>
4312 * gcc.c (do_spec_1): Catch the case where %* is used in a
4313 substitution pattern, but it has not been initialised.
4314 Issue a meaningful error message if an unrecognised operator
4315 is encountered in a spec string.
4317 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4319 * function.c (prepare_function_start): Correctly initialize
4320 cfun->stack_alignment_needed.
4322 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4324 * cppfiles.c (find_include_file): Don't assume nshort is a
4327 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4329 * configure.in (hppa configurations): Add pa32-regs.h to the
4330 list of tm files as appropriate.
4331 * configure: Rebuilt.
4332 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4334 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4335 (fmpyaddoperands, fmpysuboperands): Likewise.
4336 * pa.h: Remove various definitions which depend on knowing
4337 how registers are numbered.
4338 * pa32-regs.h: New file with PA32 register numbering specific
4341 2000-03-14 Richard Henderson <rth@cygnus.com>
4343 * regmove.c (combine_stack_adjustments): New.
4344 (stack_memref_p, single_set_for_csa): New.
4345 (free_csa_memlist, record_one_stack_memref): New.
4346 (try_apply_stack_adjustment): New.
4347 (combine_stack_adjustments_for_block): New.
4348 * rtl.h (combine_stack_adjustments): Declare.
4349 * toplev.c (rest_of_compilation): Call it.
4351 * i386.md: Revert 2000-01-16 change.
4353 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4355 * gccbug.in: Add web category, gcc specific classes.
4357 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4359 * stor-layout.c (finalize_record_size): Fix typo.
4361 2000-03-14 Stan Shebs <shebs@apple.com>
4363 * c-typeck.c (c_alignof): Error on incomplete types.
4364 * extend.texi (Alignment): Document this.
4366 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4368 * cppfiles.c: Include mkdeps.h.
4369 (find_include_file, read_include_file): Remove _cpp_ prefix
4370 from name, make static.
4371 (_cpp_execute_include): New function, broken out of
4374 * cpplib.c: Don't include mkdeps.h.
4375 (struct directive): Remove type field. Reorder entries. The
4376 function takes only one argument.
4377 (struct if_stack): Make type field an int.
4378 (directive_table): Rename to dtable. Generate it, the
4379 prototypes of the directive handlers, and the enum for the
4380 directive numbers, from a template macro.
4381 (do_ifndef, do_include_next, do_import): New functions.
4382 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4383 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4384 do_ident, do_assert, do_unassert, do_sccs): Take only one
4386 (do_sccs): Define always, but alter behavior based on
4388 (_cpp_handle_directive, consider_directive_while_skipping):
4389 Restructure for new directive table layout.
4391 (pass_thru_directive): Take a directive number, not a pointer
4392 to a struct directive.
4393 (parse_include): New function, broken out of do_include.
4394 (do_include, do_import, do_include_next): Use parse_include
4395 and _cpp_execute_include.
4396 (do_elif, do_else): Test for T_ELSE specifically when checking
4397 for #elif/#else after #else.
4398 (parse_ifdef): New function, broken out of do_ifdef.
4399 (validate_else): Expect a name arg without a leading #.
4400 (if_directive_name): Delete.
4401 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4402 directive handlers with only one argument.
4404 * cpphash.h: Update prototypes.
4405 (enum node_type): Remove entries for directives.
4406 * Makefile.in: Update dependencies.
4408 * cpphash.c (dump_hash_helper): Only dump nodes of type
4409 T_MACRO. Emit a newline after each definition.
4411 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4413 * gccbug.in: New file.
4414 * configure.in (all_outputs): Add gccbug.
4415 * Makefile.in (install-common): Install gccbug.
4416 (GCCBUG_INSTALL_NAME): New variable.
4417 * configure: Rebuilt.
4419 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4421 * function.c (put_var_into_stack): Use type_for_mode to calculate
4422 part_type. Use MEM_SET_IN_STRUCT_P.
4423 * expr.c (store_field): Handle CONCAT.
4424 (store_constructor): Use fields_length.
4425 * tree.c (fields_length): New fn.
4426 * tree.h: Declare it.
4428 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4430 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4431 (cpplex.o): New target.
4432 * po/POTFILES.in: Add cpplex.c.
4434 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4435 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4436 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4437 skip_block_comment, skip_line_comment, skip_comment,
4438 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4439 _cpp_parse_name, skip_string, parse_string,
4440 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4441 _cpp_get_directive_token, find_position,
4442 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4443 (maybe_macroexpand, _cpp_lex_token): New functions.
4445 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4446 parse_goto_mark): Delete.
4447 (_cpp_handle_eof): New function.
4448 (_cpp_handle_directive): Rename from handle_directive.
4449 (_cpp_output_line_command): Rename from output_line_command.
4450 (do_if, do_elif): Call _cpp_parse_expr directly.
4451 * cppfiles.c (_cpp_read_include_file): Don't call
4452 init_input_buffer here.
4453 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4454 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4455 here; pop the token_buffer and skip the rest of the line here.
4456 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4459 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4461 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4462 CPP_GOTO_MARK): New macros.
4463 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4464 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4465 _cpp_read_and_prescan, _cpp_init_input_buffer,
4466 _cpp_grow_token_buffer, _cpp_get_directive_token,
4467 _cpp_handle_directive, _cpp_handle_eof,
4468 _cpp_output_line_command): Prototype them here.
4469 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4470 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4471 quote_string, output_line_command): Remove.
4473 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4475 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4476 whether it is too large we must also verify that it isn't negative.
4478 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4480 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4481 (movsi_zero_liveg0): Remove.
4482 (movsf_insn_novis_liveg0): Remove.
4484 (negsi2_not_liveg0): Rename to negsi2.
4485 (one_cmplsi2): Remove.
4486 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4487 (one_cmplsi2_liveg0): Remove.
4488 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4489 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4490 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4491 (PREDICATE_CODES): Remove zero_operand.
4492 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4493 TARGET_BROKEN_SAVERESTORE.
4494 (zero_operand): Remove.
4495 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4496 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4498 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4499 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4500 TARGET_BROKEN_SAVERESTORE): Remove.
4501 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4503 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4505 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4508 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4510 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4512 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4513 truncating a string. Don't assume tokens are nul terminated.
4514 Problem noted by Andreas Jaeger <aj@suse.de>
4516 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4518 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4519 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4520 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4522 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4524 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4525 STRUCTURE_SIZE_BOUNDARY.
4527 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4529 * tree.h (record_layout_info_s): New structure.
4530 (record_layout_info): New type.
4531 (new_record_layout_info): New function.
4532 (layout_field): Likewise.
4533 (finish_record_layout): Likewise.
4534 * stor-layout.c (layout_record): Remove.
4535 (new_record_layout_info): New function.
4536 (layout_field): New function, broken out from layout_record.
4537 (finalize_record_size): Likewise.
4538 (compute_record_mode): Likewise.
4539 (finalize_type_size): New function, broken out from layout_type.
4540 (finish_record_layout): Likewise.
4541 (layout_type): Use them.
4543 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4545 * cpphash.c: Don't include version.h.
4546 (special_symbol) [case T_VERSION]: Look for the string in
4547 hp->value.cpval; don't use version_string.
4548 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4549 __VERSION__ to version_string.
4550 * Makefile.in (cpphash.o): Update deps.
4552 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4554 Convert cpplib to use libiberty/hashtab.c.
4556 * cpplib.h (struct cpp_reader): Make hashtab and
4557 all_include_files of type 'struct htab *'. Delete HASHSIZE
4558 and ALL_INCLUDE_HASHSIZE macros.
4560 * cpphash.h: Update prototypes.
4561 (struct hashnode): Remove next, prev, and bucket_hdr members.
4562 Make length a size_t. Add hash member.
4563 (struct ihash): Remove next member. Add hash member. Make
4564 name a flexible array member.
4566 * cppfiles.c: Include hashtab.h.
4567 (include_hash): Delete.
4568 (IHASHSIZE): New macro.
4569 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4570 (cpp_included): Do the hash lookup here.
4571 (_cpp_find_include_file): Rewrite.
4572 (cpp_read_file): Put the "fake" hash entry into the hash
4573 table. Honor the control_macro, if it turns out we've seen
4574 the file before. Don't push the buffer here.
4575 (_cpp_read_include_file): Push the buffer here.
4576 (OMODES): New macro. Use it whenever we call open(2).
4578 * cpphash.c: Include hashtab.h.
4579 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4580 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4581 _cpp_lookup_slot): New functions.
4582 (HASHSIZE): new macro.
4583 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4584 (_cpp_lookup): Use hashtab.h routines.
4586 * cppinit.c: Include hashtab.h.
4587 (cpp_reader_init): Call _cpp_init_macro_hash and
4588 _cpp_init_include_hash. Don't allocate hashtab directly.
4589 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4590 pfile->all_include_files.
4591 (initialize_builtins): Use _cpp_make_hashnode and
4592 htab_find_slot to add hash entries.
4593 (cpp_finish): Just call _cpp_dump_macro_hash.
4594 * cpplib.c: Include hashtab.h.
4595 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4596 create hash entries.
4597 (do_pragma_poison, do_assert): Likewise.
4598 (do_include): Don't push the buffer here. Don't increment
4599 system_include_depth unless _cpp_read_include_file succeeds.
4600 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4602 (do_pragma_implementation): Use alloca to create copy.
4604 * Makefile.in: Update dependencies.
4606 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4608 * cppinit.c (cl_directive_handler): More K&R fixing.
4610 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4612 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4614 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4616 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4618 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4619 Change from char[] to macros.
4621 2000-03-12 Neil Booth <NeilB@earthling.net>
4623 * cppinit.c (cpp_start_read): Update indirect function
4626 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4628 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4631 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4632 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4634 2000-03-11 Neil Booth <NeilB@earthling.net>
4636 * cppinit.c (struct pending option): Replace undef with a
4637 pointer to a directive handling routine.
4638 (struct cpp_pending): Replace separate assert_ and define_
4639 lists with one directive_ list.
4640 (new_pending_define): Rename new_pending_directive. Extra
4641 argument is the directive's handling routine.
4642 (handle_option): Update to use new_pending_directive.
4644 2000-03-11 Neil Booth <NeilB@earthling.net>
4646 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4647 remap_filename, _cpp_read_include_file, actual_directory,
4648 hack_vms_include_specification): Replace bcopy(), index() etc
4649 calls. Add casts to some allocations. Make some variables
4650 pointers to const [unsigned] char.
4651 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4652 collect_formal_parameters): Similarly.
4653 * cppinit.c (struct pending_option, append_include_chain,
4654 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4655 cpp_start_read, new_pending_define, handle_option): Similarly.
4656 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4657 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4658 do_pragma_implementation, detect_if_not_defined,
4659 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4660 do_assert, do_unassert): Similarly.
4661 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4662 function prototypes.
4663 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4665 2000-03-10 Richard Henderson <rth@cygnus.com>
4667 * builtins.c (expand_builtin_strlen): Revert last change.
4668 Use emit_insn_before if we're at the beginning of a sequence.
4670 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4672 * builtins.c (expand_builtin_strlen): Make sure that we have something
4673 at the beginning of the sequence.
4675 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4678 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4680 2000-03-10 Richard Henderson <rth@cygnus.com>
4682 * except.c (can_throw): Use INTVAL on a CONST_INT.
4683 (reachable_handlers): Likewise.
4684 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4686 2000-03-10 Andreas Jaeger <aj@suse.de>
4688 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4689 MD_STARTFILE_PREFIX since those are not needed on linux.
4690 (ASM_FILE_START): New, from mips/gnu.h.
4692 2000-03-09 Richard Henderson <rth@cygnus.com>
4693 Alex Samuel <samuel@codesourcery.com> and others
4695 * Makefile.in (ssa.o): New rule.
4697 (STAGESTUFF): Add *.ssa and *.ussa.
4698 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4699 * rtl.def (PHI): New RTL expression.
4700 * rtl.h (clear_log_links): New declaration.
4701 (convert_to_ssa): Likewise.
4702 (convert_from_ssa): Likewise.
4703 * flow.c (split_edge): If the entry node falls through to the
4704 split edge's source block, split the entry edge.
4705 (clear_log_links): New function.
4706 * toplev.c (ssa_dump): New variable.
4707 (flag_ssa): Likewise.
4708 (f_options): Add "ssa".
4709 (compile_file): Create SSA dump files.
4710 (rest_of_compilation): Go to and from SSA if enabled.
4711 (decide_d_option): Handle -de for SSA dump files.
4714 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4716 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4719 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4721 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4723 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4725 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4726 (MD_STARTFILE_PREFIX_1): New macro.
4728 2000-03-09 Robert Lipe <robertl@sco.com>
4730 * config/ia64/ia64.c: Include system.h.
4732 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4734 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4735 (init_eh_nesting_info): Likewise.
4737 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4738 (TREE_NOTHROW): Rename from TREE_RAISES.
4739 * toplev.c (rest_of_compilation): Set it.
4740 * print-tree.c (print_node): Adjust.
4741 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4742 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4743 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4744 REG_EH_REGION note as appropriate.
4745 (libfunc_nothrow): New fn.
4746 (emit_library_call, emit_library_call_value): Use it.
4747 (expand_call): Check TREE_NOTHROW.
4749 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4750 DECL_ASSEMBLER_NAME.
4752 2000-03-09 Andreas Jaeger <aj@suse.de>
4754 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4755 (TARGET_MEM_FUNCTIONS): Define.
4757 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4759 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4761 * except.c (can_throw): See through a SEQUENCE.
4762 (nothrow_function_p): New fn.
4763 * except.h: Declare it.
4764 * function.c (current_function_nothrow): New var.
4765 (prepare_function_start): Initialize it.
4766 * output.h: Declare it.
4767 * toplev.c (rest_of_compilation): Set it.
4768 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4770 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4772 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4773 match. (cpp_compare_defs): Count the nul separator when
4774 advancing over argument names.
4776 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4778 * recog.c (preprocess_constraints): Matching constraints affect
4779 same alternative/different operand, not same operand/different
4782 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4783 register and a constant specially.
4785 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4787 * libgcc2.h: New file.
4788 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4790 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4792 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4793 * configure: Regenerate.
4796 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4798 * Makefile.in (LIBCPP_DEPS): New macro.
4799 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4801 * cpperror.c: Include cpphash.h.
4802 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4804 (lex): Don't use CPP_WARN_UNDEF.
4805 (_cpp_parse_expr): Return an int, the truth value.
4806 * cppfiles.c: Include cpphash.h.
4807 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4808 * cppinit.c (include_defaults_array): Disentangle.
4809 (cpp_cleanup): Don't free the if stack here.
4810 (cpp_finish): Pop off all buffers, not just one.
4811 * cpplib.c (eval_if_expr): Return int.
4812 (do_xifdef): Rename do_ifdef.
4813 (handle_directive): Don't use CPP_PREPROCESSED.
4814 (cpp_get_token): Don't use CPP_C89.
4815 * fix-header.c: Don't use CPP_OPTIONS.
4817 * cpplib.h: Move U_CHAR, enum node_type, struct
4818 file_name_list, struct ihash, is_idchar, is_idstart,
4819 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4820 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4821 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4822 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4823 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4824 of _cpp_simplify_pathname, _cpp_find_include_file,
4825 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4826 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4828 Change all uses of U_CHAR to be unsigned char instead.
4829 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4831 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4833 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4834 (dwarf2out_begin_prologue): Set it.
4835 (output_call_frame_info): Don't emit EH unwind info for leaves.
4837 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4838 can occur outside of an EH region.
4839 * except.c: Correct comments about rethrow behavior.
4840 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4842 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4844 * flow.c (make_edges): Always call make_eh_edge for calls.
4846 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4848 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4849 (struct cpp_buffer): Remove fname and underflow fields.
4850 (struct cpp_reader): Remove get_token field.
4851 (struct include_hash): Rename to struct ihash. Add typedef to
4853 (struct if_stack): Remove fname field.
4854 (IF_STACK_FRAME): Rename to IF_STACK.
4856 * cpperror.c (print_containing_files): Trust that there are no
4857 macro buffers below the top file buffer.
4858 * cppfiles.c: Replace all references to 'struct include_hash'
4859 with 'IHASH'. Rename initialize_input_buffer to
4860 init_input_buffer. Don't set or reference cpp_buffer->fname,
4861 use buffer->ihash->name instead.
4862 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
4863 not CPP_NULL_BUFFER.
4864 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
4865 IF_STACK_FRAME, IHASH not struct include_hash.
4866 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
4867 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
4868 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
4869 references to cpp_buffer->fname (delete entirely, or use
4870 ->ihash->name instead) and IF_STACK->fname.
4871 (cpp_push_buffer): Don't set new->underflow.
4872 (do_include): Use cpp_file_buffer.
4874 * cpphash.c (collect_formal_parameters): Remove duplicate
4875 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
4876 used as a macro argument name. Don't append "..." to namebuf
4877 for varargs macros. After we're done scanning, go through
4878 namebuf and make it NUL separated, not comma separated.
4879 (_cpp_compare_defs): Remove register tag from variables.
4880 Expect defn->argnames to be NUL separated.
4881 (_cpp_dump_definition): Expect defn->argnames to be NUL
4882 separated and in forward order.
4883 * cpphash.h: Update documentation of argnames field.
4885 2000-03-08 Richard Henderson <rth@cygnus.com>
4887 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
4888 to fail. Don't pre-expand the source operand.
4890 * i386.md (strlensi): Initialize eoschar and align before use.
4892 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4894 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
4895 CONSTRUCTOR element.
4897 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
4899 * mips.c (mips_expand_prologue): If the last
4900 named argument is the vararg marker "va_list", treat it as
4901 an unnamed argument.
4903 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
4905 * dbxout.c (dbxout_parms): When correcting for promoted
4906 big-endian parameters, use the mode of the DECL_RTL rather
4907 than UNITS_PER_WORD.
4909 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
4911 * c-common.h (make_fname_decl): Declare.
4912 * c-common.c (make_fname_decl): Define.
4913 (declare_hidden_char_array): Remove.
4914 (declare_function_name): Use make_fname_decl.
4915 * c-decl.c (c_make_fname_decl): New function.
4916 (init_decl_processing): Set make_fname_decl.
4918 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
4920 * cccp.c (handle_directive): Initialize backslash_newlines_p.
4922 2000-03-07 Philipp Thomas <pthomas@suse.de>
4924 * po/POTFILES.in: Remove cppalloc.c from file list.
4926 2000-03-07 Steve Chamberlain <sac@pobox.com>
4928 * pj.c (pj_expand_prologue): current_function->args_info is
4929 now current_function_args_info.
4931 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
4932 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
4933 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
4935 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4937 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
4938 output as hexadecimal rather than the default octal.
4940 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4942 * cpphash.c (special_symbol): Fix thinko in previous commit.
4944 2000-03-07 Neil Booth <NeilB@earthling.net>
4946 * cppexp.c (struct operation, left_shift, right_shift,
4947 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
4948 "int"s to "unsigned int"s.
4949 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
4951 * cpplib.h: Update for above.
4952 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
4953 returned from allocations.
4955 * cppinit.c (opt_comp, parse_options): New functions.
4956 (handle_option): Use parse_option to parse a single command
4957 line option, that possibly takes an argument.
4958 (cpp_handle_options): Sort the array of command line options on
4959 first invocation (non-ASCII hosts only).
4960 (print_help): Update.
4962 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
4964 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
4965 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
4967 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
4969 * cppinit.c (cpp_cleanup): Free imp->nshort also.
4971 * cpperror.c (cpp_print_containing_files,
4972 cpp_print_file_and_line, v_cpp_message): Rename to
4973 print_containing_files, print_file_and_line, and v_message.
4974 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
4975 to _cpp_parse_expr, parse_escape, and lex.
4976 (parse_charconst): Remove broken multibyte support.
4977 * cppfiles.c (include_hash): Make static.
4978 (cpp_included): New function.
4979 (merge_include_chains, find_include_file, finclude,
4980 simplify_pathname): Rename to _cpp_merge_include_chains,
4981 _cpp_find_include_file, _cpp_read_include_file, and
4982 _cpp_simplify_pathname.
4983 * cpphash.c (cpp_lookup, free_definition, delete_macro,
4984 cpp_install, create_definition, macroexpand, compare_defs,
4985 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
4986 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
4987 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
4988 * cppinit.c (cpp_handle_option): Rename to handle_option, make
4990 * cpplib.c: Remove extern prototype of cpp_parse_expr.
4992 * cpphash.h: Update prototypes.
4993 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
4995 2000-03-07 Andrew Haley <aph@cygnus.com>
4997 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
4998 PTRDIFF_TYPE should be based solely on Pmode.
5001 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5003 * rtl.h (rtunion_def): Constify member `rtstr'.
5004 (emit_line_note_after, emit_line_note, emit_line_note_force,
5005 emit_note, decode_asm_operands): Constify.
5007 * cse.c (canon_hash): Likewise.
5009 * dbxout.c (dbxout_block): Likewise.
5011 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
5012 v_warning_for_asm): Likewise.
5014 * dwarfout.c (function_start_label): Likewise.
5016 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
5017 emit_line_note_force): Likewise.
5019 * final.c (last_filename, asm_insn_count, final_scan_insn,
5020 output_source_line): Likewise.
5022 * function.h (struct emit_status): Likewise.
5024 * gcse.c (hash_expr_1): Likewise.
5026 * genattr.c (gen_attr, main): Likewise.
5028 * genattrtab.c (struct function_unit, current_alternative_string,
5029 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
5030 attr_numeral, check_attr_test, check_attr_value,
5031 convert_set_attr_alternative, convert_set_attr,
5032 compute_alternative_mask, simplify_by_exploding, gen_attr,
5033 gen_unit): Likewise.
5035 * genflags.c (gen_insn): Likewise.
5037 * gengenrtl.c (type_from_format): Likewise.
5039 * genopinit.c (gen_insn): Likewise.
5041 * genoutput.c (n_occurrences, process_template, process_template):
5044 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5047 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5050 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
5051 ggc_set_mark, ggc_get_size): Likewise.
5053 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
5055 * optabs.c (init_one_libfunc): Likewise.
5057 * output.h (assemble_start_function): Likewise.
5059 * recog.c (decode_asm_operands): Likewise.
5061 * toplev.c (rest_of_compilation): Likewise.
5063 * tree.h (emit_line_note_after, emit_line_note,
5064 emit_line_note_force): Likewise.
5066 * varasm.c (asm_output_bss, asm_output_aligned_bss,
5067 asm_emit_uninitialised, assemble_start_function,
5068 assemble_variable, const_hash, compare_constant_1,
5069 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
5071 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
5073 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
5075 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
5077 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
5079 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
5080 arm_dllimport_name_p): Likewise.
5082 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
5085 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
5087 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5089 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
5090 arm_mark_dllexport, arm_mark_dllimport,
5091 arm_pe_encode_section_info): Likewise.
5093 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
5094 ASM_FINISH_DECLARE_OBJECT): Likewise.
5096 * arm/thumb.c (thumb_function_prologue): Likewise.
5098 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
5100 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5102 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
5104 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
5106 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
5108 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5110 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
5111 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
5113 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
5115 * i386/i386.c (asm_output_function_prefix): Likewise.
5117 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
5119 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5121 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
5123 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
5124 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
5125 ASM_OUTPUT_SECTION_NAME): Likewise.
5127 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
5129 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
5131 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
5133 * m32r/m32r.c (m32r_encode_section_info): Likewise.
5135 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5137 * mcore/mcore.c (mcore_encode_section_info): Likewise.
5139 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5141 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5143 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5145 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
5147 * mips/mips.md (movdi, movsi): Likewise.
5149 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5151 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5153 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5155 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
5156 ASM_OUTPUT_ASCII): Likewise.
5158 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
5159 output_mi_thunk, output_toc): Likewise.
5161 * rs6000/rs6000.md (movsi): Likewise.
5163 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
5165 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
5167 * v850/v850.c (print_operand, print_operand_address,
5168 v850_encode_data_area): Likewise.
5170 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
5172 * config/mips/mips.md (zero_extendsidi2): Always force operand
5173 one to memory for mips16.
5175 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5177 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
5178 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
5179 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
5180 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
5181 (min_precision): Result is unsigned.
5182 (add_double, neg_double, mul_double): Low word is unsigned.
5183 (lshift_double, rshift_double, lrotate_double): Likewise.
5184 (rrotate_double, div_and_round_double): Likewise.
5185 (tree_floor_log2, compare_tree_int): New functions.
5186 (preserve_rtl_expr_temps): New declaration.
5187 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
5188 (decl_attributes): Use tree_log2 to find alignment.
5189 Check for TREE_INT_CST_HIGH for format args.
5190 (min_precision): Now unsigned.
5191 Use tree_floor_log2.
5192 (truthvalue_conversion): Delete long-disabled code.
5193 * c-decl.c (finish_struct): Clean up tests on field width.
5194 (finish_function): Use compare_tree_int.
5195 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
5196 * c-typeck.c (comptypes): Use tree_int_cst_equal.
5197 (default_conversion, digest_init): Use compare_tree_int.
5198 (build_binary_op): Use integer_all_onesp and compare_tree_int.
5199 Fix type errors in forming masks.
5200 * calls.c (initialize_argument_information): Use compare_tree_int.
5201 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5202 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
5203 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
5204 (store_field): Use compare_tree_int.
5205 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
5206 (expand_expr, case ARRAY_REF): Use compare_tree_int.
5207 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
5208 (do_store_flag): Use compare_tree_int.
5209 * fold-const.c (encode, decode): Low part is always unsigned.
5210 (force_fit_type, add_double, neg_double, mul_double): Likewise.
5211 (lshift_double, rshift_double, lrotate_double): Likewise.
5212 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
5213 (fold_convert): Use compare_tree_int.
5214 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
5215 (invert_truthvalue, case INTEGER_CST): Likewise.
5216 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
5217 * mkdeps.c (deps_dummy_targets): Make I unsigned.
5218 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
5219 (lshift_double, rshift_double, lrotate_double, rrotate_double):
5221 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
5222 (expand_end_case): Use compare_tree_int.
5223 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5224 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
5225 (layout_decl): Likewise.
5226 (layout_record, layout_union): Make sizes unsigned.
5227 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
5228 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
5229 * tree.c (struct type_hash): hashcode is unsigned.
5230 (build_type_attribute_variant, type_hash_list): Likewise.
5231 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
5232 (attribute_hash_list, build_array_type, build_method_type): Likewise.
5233 (build_complex_type): Likewise.
5234 (real_value_from_int_cst): Remove unneeded casts.
5235 (integer_all_onesp): Add casts.
5236 (tree_floor_log2, compare_tree_int): New functions.
5237 (build_index_type): Use tree_int_cst_sgn.
5238 * varasm.c (assemble_variable): Use compare_tree_int.
5240 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
5242 * cpphash.c (collect_expansion): Also catch ## at start of macro.
5244 * varasm.c (make_decl_rtl): Don't add a number to members of
5246 (make_function_rtl): Likewise.
5248 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5250 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
5251 patch from 2000-01-28.
5253 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
5255 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
5256 filled with an insn from the jump target.
5258 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5260 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
5261 (c4x_external_ref): Likewise.
5262 * config/c4x/c4x.c (struct name_list): Likewise.
5264 1999-12-16 Ben Collins <bcollins@debian.org>
5266 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
5267 argument to genmultilib.
5268 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
5269 the contents into the multilib.h header.
5270 * gcc.c: Declare multilib_exclusions for the specs file.
5271 (set_multilib_dir): Use it.
5272 (print_multilib_info): Likewise.
5273 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
5274 to pass to genmultilib.
5276 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5278 * builtins.c (built_in_class_names, built_in_names): Constify a
5281 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5283 (_mcleanup): Ensure value matches format specifier in sprintf.
5285 * cpphash.c (special_symbol): Don't needlessly cast away
5288 * cppinit.c (base_name): Delete unused prototype.
5290 * mkdeps.c (deps_init): Make definition K&R safe.
5292 * tree.h (built_in_class_names, built_in_names): Constify a
5295 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5297 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5298 floating point instructions for epilogue delay.
5300 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5301 to gas if it supports .register pseudo.
5303 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5304 LONG_DOUBLE_TYPE_SIZE if not defined.
5305 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5306 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5308 * gengenrtl.c: Likewise.
5309 * print-rtl.c: Likewise.
5311 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5312 MASK_LONG_DOUBLE_128.
5313 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5314 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5315 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5316 (SUBTARGET_SWITCHES): Define.
5317 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5318 with -mlong-double-128.
5319 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5320 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5321 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5322 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5323 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5324 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5325 with -mlong-double-128.
5326 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5327 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5328 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5329 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5330 TARGET_LONG_DOUBLE_128): Define.
5331 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5332 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5333 long double on TARGET_ARCH64.
5335 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5337 * function.c (free_temps_for_rtl_expr): Don't free slots
5338 that have been pushed into a higher level.
5341 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5343 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5345 * basic-block.h (ALLOCA_REG_SET): Remove.
5346 (INITIALIZE_REG_SET): New macro.
5347 * flow.c (update_life_info): Use it.
5348 (calculate_global_regs_live): Likewise.
5349 (propagate_block): Likewise.
5350 * global.c (build_insn_chain): Likewise.
5351 * haifa-sched.c (schedule_region): Likewise.
5353 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5355 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5356 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5357 (DWARF_ARANGES_PAD_SIZE): New define.
5358 (output_aranges): Use it to pad the address range header.
5359 (DWARF_ROUND): Fix for non power of 2 rounding.
5361 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5363 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5365 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5367 * tree.def (RTL_EXPR): Update documentation.
5368 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5369 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5370 * function.c (preserve_rtl_expr_temp): New function.
5371 (preserve_rtl_expr_temps): Likewise.
5372 (preserve_rtl_expr_result): Use it.
5375 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5377 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5379 * regmove.c (copy_src_to_dest) Do not create src->dest move
5380 for unchanging destination.
5382 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5384 * function.h (struct sequence_stack): Remove rtl_expr.
5385 (struct emit_staus): Likewise.
5386 (seq_rtl_expr): Remove.
5387 * tree.h (free_temps_for_rtl_expr): Don't declare.
5388 (start_sequence_for_rtl_expr): Likewise.
5389 * rtl.h (preserve_rtl_expr_result): Likewise.
5390 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5391 (start_sequence_for_rtl_expr): Remove.
5392 (push_topmost_sequence): Don't save sequence_rtl_expr.
5393 (pop_topmost_sequence): Remove comment about not restoring it.
5394 (end_sequence): Don't set seq_rtl_expr.
5395 (init_emit): Don't initialize it.
5396 (mark_sequence_stack): Don't mark it.
5397 (mark_emit_status): Likewise.
5398 * except.c (protect_with_terminate): Use
5399 start_sequence_for_rtl_expr, not start_sequence.
5400 * expr.c (expand_expr, case RTL_EXPR): Don't call
5401 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5402 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5403 (preserve_rtl_expr_result): Remove.
5404 (free_temps_for_rtl_expr): Likewise.
5405 (pop_temp_slots): Likewise.
5406 (mark_temp_slot): Don't mark the rtl_expr.
5407 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5408 start_sequence_for_rtl_expr.
5410 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5412 * mkdeps.c, mkdeps.h: New files.
5413 * po/POTFILES.in: Add them.
5414 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5415 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5416 (mkdeps.o): New target.
5418 * cppfiles.c: Delete deps_output.
5419 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5420 OBJECT_SUFFIX, and base_name.
5421 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5423 (initialize_dependency_output): Use deps_init,
5424 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5425 all the unnecessary string bashing.
5426 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5428 * cpplib.c (do_include): Use deps_add_dep.
5429 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5430 deps_allocated_size, deps_size, deps_column members with
5431 single pointer to a struct deps. Delete prototype of
5434 * cppinit.c: Fix thinko in previous patch.
5436 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5438 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5439 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5440 (mode_for_size_tree): New function.
5441 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5442 * tree.h (mode_for_size_tree): New declaration.
5444 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5446 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5448 * stmt.c (is_body_block): Move...
5449 * dwarfout.c, dwarf2out.c: ...from here.
5450 * tree.h: Declare it.
5451 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5452 * final.c (final_start_function): Do call remove_unnecessary_notes
5455 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5457 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5459 * cpplib.h (_dollar_ok): New macro.
5460 (is_idchar, is_idstart): Use it.
5461 (IStable): Rename to _cpp_IStable. Declare it const if
5462 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5463 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5464 is_space): Update for renamed IStable.
5466 * cppinit.c: Delete all references to FAKE_CONST and CAT
5467 macros. Define init_IStable as empty macro if gcc >=2.7 or
5468 C99. Change TABLE() to ISTABLE and hardcode name of table.
5469 (cpp_start_read): Don't change the IStable based on
5472 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5473 changed. Handle '$' for char1 correctly.
5474 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5476 * cppexp.c (tokentab2): Make const.
5477 (cpp_lex): Make toktab const.
5478 * cppinit.c (include_defaults_array): Make const.
5479 (initialize_standard_includes): Make default_include const.
5481 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5483 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5484 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5485 (gen_decl_die): Likewise.
5486 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5487 (output_decl): Likewise.
5489 * varasm.c (make_function_rtl): If we change the name used in the
5490 rtl, update DECL_ASSEMBLER_NAME accordingly.
5491 (make_decl_rtl): Likewise.
5493 * toplev.c (rest_of_compilation): Tweak formatting.
5495 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5496 remove_unnecessary_notes.
5497 (debug_ignore_block): New fn.
5498 * toplev.h: Declare it.
5499 * emit-rtl.c (remove_unncessary_notes): Call it.
5500 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5501 * dwarf2out.h: Declare it.
5502 * final.c (final_start_function): Don't call remove_unnecessary_notes
5503 if we did insn scheduling.
5505 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5507 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5508 * cpplib.h: Delete SET_CPP_PEDANTIC.
5510 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5512 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5513 result is a RECORD_TYPE.
5515 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5517 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5519 2000-03-03 Richard Henderson <rth@cygnus.com>
5521 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5522 addition over compliments over shifts.
5524 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5526 * reload1.c (reload_combine_note_use): Handle return register USEs.
5527 REG case: Handle multi-hard-register hard regs.
5529 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5531 * md.texi: Document use of '*' in insn pattern name.
5533 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5535 * calls.c (special_function_p): operator new may not be malloc-like.
5537 * gcse.c (dump_hash_table): Really fix error in last change.
5539 2000-03-02 Denis Chertykov <denisc@overta.ru>
5541 * avr.c (print_operand): Use print_operand_address instead of
5543 * avr/libgcc.S: Cleanup code.
5545 2000-03-02 Richard Henderson <rth@cygnus.com>
5547 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5549 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5551 * tree.h (TYPE_ALIGN_UNIT): New macro.
5553 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5555 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5557 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5559 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5561 (SET_CPP_PEDANTIC): New macro.
5562 * cpplib.c (do_include): Don't bother checking system_header_p.
5563 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5564 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5566 * function.h (struct expr_status): Add x_arg_space_so_far.
5567 (arg_space_so_far): New macro.
5568 * expr.c (init_expr): Initialize it.
5569 * calls.c (emit_call_1): Reset it.
5570 (compute_argument_block_size, expand_call): Use it.
5571 (expand_call, store_one_arg): Increment it.
5573 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5575 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5578 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5580 * cppfiles.c (cpp_read_file): New function.
5582 * cpphash.c (collect_expansion): Make sure to reset last_token
5583 to NORM when we hit a string. Handle trailing whitespace
5584 properly when the expansion is empty.
5585 (create_definition): Disable line commands while parsing the
5587 (dump_definition): If pfile->lineno == 0, output a line
5588 command ahead of the dump, and add a trailing newline.
5590 * cppinit.c (append_include_chain): Add fifth argument, which
5591 indicates whether or not system headers are C++ aware.
5592 (initialize_standard_includes): New function,
5593 broken out of read_and_prescan. Pass 'cxx_aware' value from
5594 the include_defaults_array on to append_include_chain.
5595 (dump_special_to_buffer): Const-ify char array.
5596 (builtin_array): Don't dump __BASE_FILE__.
5597 (cpp_start_read): Use cpp_read_file. Reorder code for
5598 clarity. Don't output line commands here for -D/-A/-U
5599 switches. Don't call deps_output for files included with
5600 -include or -imacros.
5602 * cpplib.c (do_define): Don't pay any attention to the second
5604 (cpp_expand_to_buffer): Disable line commands while scanning.
5605 (output_line_command): Work in the file buffer.
5606 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5607 Fix formatting of comments. Prototype cpp_read_file.
5609 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5611 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5612 reference the language-equivalent of sizetype.
5613 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5614 * fold-const.c (size_binop, size_diffop): Put back checks.
5615 * gcse.c (dump_hash_table): Fix minor error in last change.
5616 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5617 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5620 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5622 * calls.c (expand_call) Do not attempt to combine stack adjustments
5623 with inhibit_defer_pop set.
5625 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5627 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5628 the DECL_SIZE for a FIELD_DECL.
5630 2000-03-01 Bruce Korb <bkorb@gnu.org>
5632 * fixinc/inclhack.tpl: remove unused symlinks
5633 * fixinc/README: GCC Maintainer info
5634 * fixinc/inclhack.sh: regen
5635 * fixinc/fixincl.sh: regen
5637 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5639 * cpphash.c (collect_expansion): Trim trailing white space
5640 from macro definitions, but don't go past the last insertion
5643 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5645 * i386.md (mulqi3): New pattern.
5647 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5649 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5651 (struct cpp_reader): Add parsing_if_directive and
5652 parsing_define_directive flags.
5653 (struct cpp_options): Remove output_conditionals flag.
5654 (check_macro_name): Delete prototype.
5656 * cpphash.h (struct macrodef): Delete.
5657 (struct reflist): Separate from struct definition.
5658 (struct definition): Remove unused fields. Add column number.
5659 (create_definition): Returns a DEFINITION *. Takes a
5660 cpp_reader * and an int.
5662 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5663 (PEEKC): Copy defn from cpplib.c.
5664 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5666 (struct arglist): Simplify.
5667 (collect_expansion): Rewrite. Get tokens by calling
5668 cpp_get_token. Add more error checking.
5669 (collect_formal_parameters): New function, broken out of
5670 create_definition and reworked to use get_directive_token.
5671 (create_definition): All real work is now in collect_expansion
5672 and collect_formal_parameters. do_define handles finding the
5673 macro name. Return a DEFINITION, not a MACRODEF.
5674 (macroexpand): Replace bcopy with memcpy throughout. Replace
5675 character-at-a-time copy loop with memcpy and pointer increments.
5676 (compare-defs): d1->argnames / d2->argnames might be null.
5678 * cpplib.c (copy_rest_of_line): Delete function.
5679 (skip_rest_of_line): Do all the work ourselves.
5680 (skip_string): New function.
5681 (parse_string): Use skip_string.
5682 (get_macro_name): New function.
5683 (check_macro_name): Delete.
5684 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5685 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5686 (handle_directive): ICE if we're called on a macro buffer.
5687 (do_define): Determine macro name and type (funlike/objlike)
5688 here. Expunge all uses of MACRODEF.
5689 (cpp_push_buffer): Set line_base to NULL.
5690 (do_undef, read_line_number): Don't worry about getting a POP token.
5691 (eval_if_expression): Set/reset parsing_if_directive around
5692 cpp_parse_expr. Don't clear only_seen_white.
5693 (skip_if_group): Remove output_conditionals logic. Use
5695 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5696 tokens under appropriate conditions.
5697 (cpp_unassert): Call do_unassert not do_assert. Oops.
5699 * cppexp.c (parse_defined): New function, break out of
5701 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5702 ourselves, with cpp_defined.
5703 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5705 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5706 * gcc.dg/strpaste-2.c: New.
5708 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5710 * fold-const.c (size_binop): Don't asert inputs are the same and
5711 have TYPE_IS_SIZETYPE set.
5712 (size_diffop): Likewise.
5714 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5716 * dwarfout.c (output_block): Output abstract blocks even if they
5717 don't have TREE_ASM_WRITTEN set.
5719 * calls.c (emit_library_call): Check for null REG.
5721 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5723 * c-decl.c (current_function_decl): Move to toplev.c.
5724 (init_decl_processing): Don't add current_function_decl as a ggc
5726 * dbxout.c (dbxout_symbol): Change return type to int.
5727 (dbxout_symbol_location, dbxout_syms): Likewise.
5728 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5729 any locals. Use current_function_func_begin_label if set.
5730 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5731 * dwarf2out.c (dwarf2out_begin_prologue): Set
5732 current_function_func_begin_label.
5733 * final.c (final_start_function): Reset it.
5734 * toplev.c (current_function_decl): Define it here.
5735 (current_function_func_begin_label): New variable.
5736 (main): Add both as ggc roots.
5737 * tree.h (current_function_func_begin_label): Declare.
5739 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5741 * gcse.c: Cleanups throughout: mostly white-space, but also
5742 some minor rearrangement of code.
5744 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5746 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5747 returns a PARALLEL. Use emit_group_load and use_group_regs
5749 (emit_library_call_value): Similarly.
5751 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5752 * pa/quadlib.asm: Remove.
5753 * pa/quadlib.c: New file.
5755 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5756 * configure: Rebuilt.
5758 2000-02-29 Philip Blundell <pb@futuretv.com>
5760 * config/arm/conix-elf.h: New file.
5761 * configure.in (arm*-*-conix*): New configuration.
5762 * configure: Regenerate.
5764 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5766 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5767 don't have TREE_ASM_WRITTEN set.
5769 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5771 * Eliminate DECL_FIELD_SIZE.
5772 * builtins.c (built_in_class_names, built_in_names): New variables.
5773 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5774 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5775 DECL_SIZE, not DECL_FIELD_SIZE.
5776 * print-tree.c (print_node): Remove code that prints extra blank
5777 lines in some cases.
5778 Properly handle inline and builtin function cases.
5779 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5780 * tree.h (built_in_class_named, built_in_names): New declarations.
5781 (union tree_decl): Rename internal unions to u1 and u2 and change
5782 some of their components.
5783 Add new field built_in_class.
5784 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5785 Reflect above changes.
5786 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5787 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5788 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5789 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5791 2000-02-28 Dmitri Makarov <dim@windriver.com>
5793 * extend.texi: Document ARM's support for long/short calls.
5795 * invoke.texi: Document ARM's -mlong-calls command line switch.
5797 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5798 (arm_encode_call_attribute): Add prototype.
5799 (arm_set_default_type_attribute): Add prototype.
5800 (arm_strip_name_encoding): Add prototype.
5802 * config/arm/arm.c (arm_init_cumulative_args): replace
5803 initialisation og 'long_calls' field with initialisation of
5804 'call_cookie' field.
5805 (enum arm_pragma_enum): New enum.
5806 (arm_pragma_long_calls): New static variable.
5807 (arm_process_pragma): Also process "#pragma long_calls_off".
5808 (arm_valid_type_attribute_p): Accept short_call attribute.
5809 (arm_comp_type_attributes): Check long/short call attributes.
5810 (arm_encode_call_attribute): New function: Encode long_call
5811 or short_call attribute in function name.
5812 (arm_set_default_type_attributes): New function: Assign
5813 default attributes to newly defined type.
5814 (current_file_function_operand): New function: Return true if
5815 the symbol is a function which has already been compiled.
5816 (arm_is_longcall_p): New function: Return true if the
5817 indicated function should be called via a long call.
5818 (arm_get_strip_length): New function. Returns number of
5819 prefix characters to be stripped from a function's name.
5820 (arm_strip_name_encoding): New function. Strip prefix characters
5821 from a function's name.
5823 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5825 (SHORT_CALL_FAG_CHAR): Define.
5826 (LONG_CALL_FAG_CHAR): Define.
5827 (ENCODED_SHORT_CALL_ATTR_P): Define.
5828 (ENCODED_LONG_CALL_ATTR_P): Define.
5829 (ARM_NAME_ENCODING_LENGTHS): Define.
5830 (STRIP_NAME_ENCODING): Define.
5831 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5832 (ARM_ENCODE_CALL_TYPE): Define.
5833 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5834 (ARM_DECLARE_FUNCTION_SIZE): Define.
5835 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5837 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5838 if a long call is needed.
5839 (call_value): Ditto.
5840 (call_symbol): Ditto.
5842 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5843 ARM_DECLARE_FUNCTION_SIZE.
5845 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5846 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5847 (ARM_STRIP_NAME_ENCODING): Undefine.
5848 (STRIP_NAME_ENCODING): Undefine.
5849 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5850 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5851 (ASM_OUTPUT_COMMON): Ditto.
5852 (ASM_DECLARE_OBJECT_NAME): Ditto.
5854 * config/arm/pe.c (arm_dllexport_name_p): Check for
5856 (arm_dllimport_name_p): Ditto.
5857 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
5858 (arm_mark_dllimport): Ditto.
5860 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5862 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
5864 2000-02-28 Mark Mitchell <mark@codesourcery.com>
5866 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
5868 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
5870 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
5871 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
5872 NO_BUILTIN_WCHAR_TYPE is not defined.
5873 (CPP_WCHAR_TYPE): Delete.
5874 * cccp.c (main): Don't change wchar_type if cplusplus.
5875 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
5877 2000-02-28 Nick Clifton <nickc@cygnus.com>
5879 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
5881 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
5883 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
5884 (ASM_WEAKEN_LABEL): Define.
5886 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
5888 * expr.c (store_constructor): Do not emit USE.
5889 * rtl.h (stupid_life_analysis): Remove.
5891 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5893 * function.c (number_blocks): Reset next_block_index based on
5894 what debugging format is used, not what is defined.
5896 * lcm.c: Minor reformatting throughout.
5897 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
5899 * toplev.c (rest_of_compilation): Account for time in
5900 optimize_mode_switching.
5902 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
5903 if only marking labels.
5905 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
5907 * calls.c (expand_call): Attempt to combine stack adjustments with
5908 pending stack adjustments.
5910 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5912 * loop.c (reg_in_basic_block_p): Don't abort when falling through
5913 to the end of the function.
5915 2000-02-27 Mark Mitchell <mark@codesourcery.com>
5917 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
5919 * final.c (next_block_index): Remove.
5920 (max_block_depth): Likewise.
5921 (pending_blocks): Likewise.
5922 (init_final): Don't initialize them.
5923 (final_start_function): Don't set next_block_index. Set up
5925 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
5926 * function.h (number_blocks): New function.
5927 * function.c (get_block_vector): New function.
5928 (identify_blocks): Use it.
5929 (reorder_blocks): Set NOTE_BLOCK.
5930 (number_blocks): New function.
5931 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
5932 * tree.h (BLOCK_NUMBER): New macro.
5933 (tree_block): Add block_num field.
5934 * dbxout.c (next_block_number): Remove.
5935 (dbxout_init): Don't set it.
5936 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
5937 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
5939 * toplev.c (rest_of_compilation): Always call
5940 find_loop_tree_blocks. Fix indentation.
5941 * dwarf2out.c (next_block_number): Remove.
5942 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5943 to determine block numbers.
5944 (gen_inlined_subroutine_die): Likewise.
5945 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
5946 (decls_for_scope): Don't increment next_block_number.
5947 * dwarfout.c (next_block_number): Remove.
5948 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
5949 to determine block numbers.
5950 (output_inlined_subroutine_die): Likewise.
5951 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
5952 (output_decls_for_scope): Don't increment next_block_number.
5953 * sdbout.c (next_block_number): Remove.
5954 (sdbout_block): Use BLOCK_NUMBER.
5955 (sdbout_begin_block): Simplify.
5956 * xcoffout.c (next_block_number): Remove.
5957 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
5958 (xcoffout_begin_block): Don't set next_block_number.
5959 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
5962 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5964 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
5965 (expand_builtin_strcpy): Pass correct type to size_binop.
5966 (expand_builtin_strcmp): Likewise.
5967 Clean up conditional structure.
5968 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
5969 (complete_array_type): Don't use size_binop for MAXINDEX.
5970 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
5971 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
5972 (c_alignof): Use size_one_node.
5973 (build_unary_op): Pass arg of proper type to size_binop.
5974 (really_start_incremental_init, push_init_level): Use sizetype for
5975 constructor{,_bit,_unfilled}_index.
5976 (pop_init_label, output_init_element): Likewise.
5977 (output_pending_init_elements, process_init_element): Likewise.
5978 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
5979 * expr.c (store_expr): Use size_int.
5980 (store_constructor): Use proper types for size_binop args.
5981 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
5982 (expand_expr_unaligned): Likewise.
5983 (string_contant): Return object of sizetype.
5984 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
5985 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
5986 (ARGS_SIZE_TREE): Pass proper types to size_binop.
5987 * fold-const.c (int_const_binop): Refine when size_int is called.
5988 (fold_convert): Likewise.
5989 (size_int_wide): Rework to take KIND as arg, only take low order
5990 bits, handle new sizetype_tab datatype, and chain entries in
5992 (size_int_type_wide): New function.
5993 (size_binop): Validate types of arguments.
5994 (ssize_binop): Deleted.
5995 (size_diffop): New function.
5996 (extract_muldiv): Only fold division into multiplication for sizetypes.
5997 * function.c (assign_parms): Use size_diffop and make sure
5998 VAR field is of ssizetype; also pass proper type to size_binop.
5999 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
6000 (round_down): Deleted from here.
6001 * store-layout.c (sizetype_tab): Now an array.
6002 (sizetype_set, early_root_list): New variables.
6003 (variable_size): Use size_one_node.
6004 (round_up): Pass proper type to size_binop.
6005 (round_down): Moved to here and corrected as above.
6006 (layout_record): Pass proper arg types to size_binop.
6007 (layout_type): Likewise.
6008 If sizetype_set is zero, record the type just laid out.
6009 (make_unsigned_type): Don't call set_sizetype;
6010 (make_signed_type): Likewise; also, call fixup_signed_type.
6011 (initialize_sizetypes): New function.
6012 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
6013 set name of bitsizetype to "bit_size_type".
6014 Fix up type of sizes of all types made before call.
6015 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
6016 * tree.c (fix_sizetype): Deleted.
6017 (build_common_tree_nodes): Call initialize_sizetypes.
6018 (build_common_tree_nodes_2): Don't call fix_sizetype.
6019 * tree.h (TYPE_IS_SIZETYPE): New macro.
6020 (initialize_sizetype): New declaration.
6021 (enum size_type_kind): New type.
6022 (struct sizetype_tab): Deleted.
6023 (sizetype_tab): Now array; adjust sizetype macros.
6024 (size_diffop, size_int_type_wide): New functions.
6025 (size_int_wide): Change number of args and type; access macros changed.
6026 (ssize_int, sbitsize_int): New macros.
6027 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
6028 (ROUND_TYPE_SIZE_UNIT): New macro.
6030 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
6032 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
6034 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6036 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
6037 Mark as possibly unused.
6039 * cse.c (cse_insn): Delete dead code involving tablejump.
6040 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
6042 * Makefile.in (libcpp.a): Start by deleting it.
6044 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6046 * cpplib.h (enum file_change_code): Added rename_file.
6047 * cpplib.c (do_line): If a filename is given, set file_change to
6049 (output_line_command): If file_change is rename_file, always
6050 output a # directive with the file name.
6052 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
6054 2000-02-26 Mark Mitchell <mark@codesourcery.com>
6056 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
6057 when copying a PARM_DECL or RESULT_DECL.
6059 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6061 * fix-header.c (recognized_function): Also fix prototypes for
6062 functions taking "void".
6064 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6066 * reload1.c (do_output_reload): Check reg_reloaded_valid before
6067 looking at reg_reloaded_contents.
6069 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
6071 * Makefile.in (STMP_FIXINC): New toggle.
6072 (LIBGCC2_DEPS): Delete all references.
6073 (stmp-headers): Delete target. All references either deleted
6074 or changed to stmp-int-headers.
6075 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
6076 (LIBCPP_OBJS): Take out cppalloc.o.
6077 (cppalloc.o): Delete target.
6078 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
6079 (gen-protos, fix-header): Link with libiberty.a.
6080 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
6083 * configure.in: Remove refs to strerror.
6084 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
6085 * system.h: Take out strerror stanza.
6087 * cpperror.c (my_strerror): Delete function.
6088 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
6089 * cppmain.c (main): Call xmalloc_set_program_name first thing.
6090 * cppalloc.c: Delete file.
6091 * gen-protos.c: Don't provide xrealloc.
6093 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
6094 xstrerror throughout.
6096 2000-02-26 Bruce Korb <bkorb@gnu.org>
6098 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
6099 match for DOS headers, too.
6100 * fixinc/inclhack.sh,fixincl.x: Regenerate.
6102 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6104 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
6105 is right for most ELF targets.
6106 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
6107 Let the default file use %U properly.
6108 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
6111 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
6114 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6116 * toplev.c (documented_lang_options): Correct spelling error.
6117 (decode_d_option, decode_f_option, main): Likewise.
6119 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
6121 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
6122 to tell assembler it is permitted to expand large constants.
6124 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
6126 * protoize.c: (AUX_INFO_SUFFIX): New macro.
6127 (aux_info_suffix): Use.
6128 (SAVE_SUFFIX): New macro.
6130 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
6131 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
6132 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
6134 * invoke.texi (Running Protoize): Update documentation.
6136 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
6138 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
6140 2000-02-25 John Wehle (john@feith.com)
6142 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
6144 2000-02-25 Anthony Green <green@cygnus.com>
6146 * toplev.c (rest_of_compilation): Rebuild jump labels if
6147 combine_instructions has created a new direct jump.
6148 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
6150 (combine_instructions): Call try_combine with new argument.
6151 Return non-null value when new direct jump instruction is created.
6152 * rtl.h: combine_instructions returns an int.
6154 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
6156 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
6157 jump when changing a computed jump into a jump to a known
6160 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
6162 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
6163 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
6165 * i386.md (define_expand "clrstrsi"): Fix typo.
6167 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
6169 * rtl.texi: Fix typo.
6171 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6173 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
6174 UNITS_PER_WORD. Change caller initial_elimination_offset.
6175 (rounded_frame_size): Take into account that argument pushed has
6176 changed. Fix TARGET_ALIGN_DOUBLE problem.
6178 2000-02-25 Geoff Keating <geoffk@cygnus.com>
6180 * haifa-sched.c (schedule_block): Explain the real reason
6181 we delete REG_SAVE_NOTEs on the first insn of a block.
6182 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
6184 2000-02-24 Mark Mitchell <mark@codesourcery.com>
6186 * input.h (push_srcloc): New function.
6187 (pop_srcloc): Likewise.
6188 * toplev.c (push_srcloc): Define it.
6189 (pop_srcloc): Likewise.
6191 2000-02-24 Richard Henderson <rth@cygnus.com>
6193 * flow.c (life_analysis): When collecting reg info, clear
6196 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6198 Fix bug exposed by reload.c no longer rounding the frame
6199 size to BIGGEST_ALIGNMENT:
6200 * sh.c (rounded_frame_size): New function.
6201 (sh_expand_prologue, sh_expand_epilogue): Use it.
6202 (initial_elimination_offset): Likewise.
6204 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6206 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
6207 * sh-protos.h (sh_need_epilogue): Declare.
6208 * sh.c (sh_need_epilogue_known): New static variable.
6209 (sh_need_epilogue): New function.
6210 (function_epilogue): Clear need_epilogue_known.
6211 * sh.md (return): Split into expander / insn pattern.
6212 Make the expander conditional on ! sh_need_epilogue ().
6214 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
6216 * machmode.h (get_mode_alignment): Declare.
6217 (GET_MODE_ALIGNMENT): Call it.
6218 * stor-layout.c (get_mode_alignment): New function. Make
6219 sure alignment is always power of 2.
6221 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6223 * i386.h: Remove useless definition of "I386" and misleading
6226 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6228 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
6229 under which TREE_PERMANENT will be set.
6230 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
6231 build1): Use TREE_SET_PERMANENT.
6232 * print-tree.c (print_node): Don't report value of
6233 TREE_PERMANENT if ggc_p is true.
6235 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
6236 decide whether to give a type a new alias set.
6237 * objc/objc-act.c (build_objc_string_object): Never copy the string.
6238 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
6239 of value of 'obstack'.
6242 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6244 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
6246 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6248 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
6249 * cpplib.c (cpp_get_token): Produce them.
6250 * cppexp.c (cpp_lex): Handle them.
6252 2000-02-23 Nick Clifton <nickc@cygnus.com>
6254 * config/arm/arm.c (arm_comp_type_attributes): Simply and
6255 comment tests on type attributes.
6257 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6259 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
6260 conform to documentation.
6261 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
6262 to check for special cases.
6263 * sh-protos.h (sh_loop_align): Declare.
6264 * sh.c (sh_loop_align): Define.
6266 2000-02-22 Andrew Haley <aph@cygnus.com>
6268 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
6269 (SIZE_TYPE): Is 32 bits when using -mgp32.
6270 (PTRDIFF_TYPE): Ditto.
6272 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6274 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
6276 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6278 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
6279 BIGGEST_FIELD_ALIGNMENT a constant.
6281 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6283 * dwarf2out.c (output_line_info): Put the marker for the end of
6284 the line number info at the actual end.
6285 (gen_struct_or_union_type_die): Use decl_function_context
6286 to check for local classes.
6287 * dwarfout.c (output_type): Likewise.
6289 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6291 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6292 for arguments with a mode, but no type.
6293 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6294 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6295 * pa/long_double.h: New file.
6296 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6297 both have 128bit wide long doubles.
6298 * configure: Rebuilt.
6300 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6302 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6304 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6305 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6306 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6308 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6310 * integrate.c (compare_blocks, find_block): Likewise.
6312 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6314 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6316 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6317 expand_asm_operands): Likewise.
6319 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6321 * predict.c (estimate_probability): Added the pointer heuristic to
6322 the collection of static branch predictors.
6324 2000-02-21 Catherine Moore <clm@cygnus.com>
6326 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6327 * invoke.texi (-mfix7000): Document.
6329 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6331 * diagnostic.c (init_output_buffer): Make it possible to output at
6332 least 32 characters if we're given a too long prefix.
6334 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6336 * varasm.c (initializer_constant_valid_p): Call
6337 lang_expand_constant to simplify the constant.
6339 2000-02-20 Bruce Korb <bkorb@gnu.org>
6341 * fixinc/inclhack.def(stdio_va_list):
6342 typedef needs to be disabled.
6343 * fixinc/inclhack.sh: regen
6344 * fixinc/fixincl.x: regen
6346 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6348 * print-rtl.c (print_rtx): Don't print addresses when
6349 flag_dump_unnumbered.
6351 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6353 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6355 (sparc_va_arg, sparc_flat_output_function_prologue,
6356 sparc_flat_output_function_epilogue): Cast value to unsigned in
6358 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6360 * sparc.md: Add default case in switch.
6362 2000-02-19 Richard Henderson <rth@cygnus.com>
6364 * c-typeck.c (add_pending_init): Don't abort for multiple
6365 fields at the same offset.
6366 (pending_init_member): Test the correct member.
6368 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6370 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6372 (start_catch_handler) : Same.
6374 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6376 * Makefile.in: Have flow.o depend on $(EXPR_H)
6378 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6380 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6381 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6382 (finish_decl): Remove -Wlarger-than code from here.
6383 * flags.h (id_clash_len): Now int.
6384 (larger_than_size): Now HOST_WIDE_INT.
6385 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6386 Clean up checking to see if in table.
6387 (make_bit_field_ref): Remove extra parm to bitsize_int.
6388 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6389 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6390 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6391 and for computing size of decl.
6392 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6393 Move -Wlarger-than code to here.
6394 (layout_record): Remove extra arg to bitsize_int.
6395 Set TYPE_BINFO_SIZE_UNIT.
6396 (layout_union): Remove extra arg to bitsize_int.
6397 Use proper type for size of QUAL_UNION.
6398 (layout_type): Remove extra arg to bitsize_int.
6399 * toplev.c (id_clash_len): Now int.
6400 (larger_than_size): Now HOST_WIDE_INT.
6401 (decode_W_option): Clean up id-clash and larger-than- cases.
6402 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6403 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6404 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6405 (struct tree_decl): New field size_unit.
6406 (size_int_wide): No HIGH operand; NUMBER is now signed.
6407 (size_int_2): Deleted.
6408 (size_int, bitsize_int): Don't use it and rework args.
6409 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6411 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6413 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6415 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6417 * invoke.texi (Warning Options): Add an explanation of why
6418 you might want the -Wfloat-equal flag.
6420 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6422 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6423 * cppinit.c (new_pending_define): Add cast to avoid warning.
6424 * expmed.c (extract_bit_field): Likewise.
6425 * flow.c (enum reorder_skip_type): New type.
6426 (skip_insns_between_blcok): New it.
6427 Rework to avoid warning about possibly undefined variable.
6428 * function.c (assign_parms): Make thisparm_boundary unsigned.
6429 * genrecog.c (write_switch): Cast XWINT result to int.
6430 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6431 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6432 one for MIPS and one for Alpha.
6433 (get_tag, copy_object): Add casts to avoid warnings.
6434 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6435 * reload.c (find_reloads): Make TYPE enum reload_type.
6436 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6437 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6438 * varasm.c (compare_constant_1): Add cast to avoid warning.
6439 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6441 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6442 Cast switch operand of size to int.
6443 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6444 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6447 2000-02-18 Nick Clifton <nickc@cygnus.com>
6449 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6450 anything for an alignment of zero.
6452 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6453 anything for an alignment of zero.
6455 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6457 * gcc.texi (Bug Reporting): Refer to bugs.html.
6458 (Bug Lists): Likewise.
6459 * system.h (GCCBUGURL): New preprocessor define.
6460 * rtl.c (fancy_abort): Use it.
6461 * gcc.c (main): Likewise.
6463 2000-02-18 Richard Henderson <rth@cygnus.com>
6465 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6466 (life_analysis_1): Subsume into ...
6467 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6468 Use update_life_info for the relaxation.
6469 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6470 entry and regs_live_at_setjmp.
6471 (set_noop_p): Simplify.
6472 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6473 (record_volatile_insns): Split into ...
6474 (delete_noop_moves): ... here,
6475 (notice_stack_pointer_modification): ... here,
6476 (insn_dead_p): ... and here.
6477 (propagate_block): Don't query INSN_VOLATILE.
6478 (mark_used_regs): Mind !PROP_REG_INFO.
6479 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6480 not in life_analysis.
6482 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6484 * loop.c (canonicalize_condition): New function,
6485 broken out of get_condition.
6486 (get_condition): Use it.
6487 * expr.h (canonicalize_condition): Prototype it.
6489 * tree.h (tree_int_cst_msb): Declare.
6490 * tree.c (tree_int_cst_msb): New function.
6492 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6494 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6497 * invoke.texi (-fmessage-length=n): Document.
6499 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6501 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6503 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6505 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6508 2000-02-17 Nick Clifton <nickc@cygnus.com>
6510 * config/arm/thumb.c: Replace includes of system headers with
6511 #include "system.h".
6513 2000-02-16 Richard Henderson <rth@cygnus.com>
6515 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6516 Add crtbeginS.o and crtendS.o.
6517 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6518 (ENDFILE_SPEC): Use crtendS.o.
6519 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6521 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6522 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6524 (__dso_handle): New variable.
6525 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6526 bias to __CTOR_END__.
6528 2000-02-16 Richard Henderson <rth@cygnus.com>
6530 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6532 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6534 * longlong.h (__clz_tab): Declare as static to match definition.
6536 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6537 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6538 (XREF_FILE_NAME): Define.
6540 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6541 (EH_FRAME_SECTION_ASM_OP): Define.
6542 (IDENT_ASM_OP): Define.
6543 (TEXT_SECTION_ASM_OP): Define.
6545 (CTORS_SECTION_ASM_OP): Define.
6546 (CTOR_SECTION_FUNCTION): Use it.
6547 (DTORS_SECTION_ASM_OP): Define.
6548 (DTOR_SECTION_FUNCTION): Use it.
6550 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6552 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6555 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6556 debug_bb_n): New functions.
6557 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6558 * basic-block.h: Prototype new functions.
6560 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6562 * configure.in: Add support for avr target.
6563 * configure: Rebuilt.
6565 * invoke.texi: Add AVR invocation docs.
6566 * install.texi: Add information about AVR.
6567 * md.texi: Add AVR constraint letters description.
6568 * extend.texi: Add description for AVR specific attributes.
6570 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6572 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6574 2000-02-16 Nick Clifton <nickc@cygnus.com>
6576 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6577 (make_insn_raw): Move RTL check here.
6579 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6581 * version.c: Include gansidecl.h and version.h.
6583 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6585 * configure.in (gcc_version): When setting, narrow search to
6586 lines containing `version_string'.
6588 * Makefile.in (mainversion): Likewise.
6589 (GCC_H): New variable.
6590 (gcc.h): Delete target.
6591 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6592 (version.o): Depend on version.h.
6593 (dbxout.o): Don't depend on gcc.h.
6595 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6596 Michael Meissner <meissner@cygnus.com>
6598 * md.texi (Simple Constraints): Add item about whitespace.
6599 * genoutput.c (strip_whitespace): New.
6600 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6601 strip_whitespace for constraints.
6602 Test pointer using NULL, not 0.
6604 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6606 * cpplib.c (do_line): Pedwarn for #line > 32767.
6608 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6610 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6612 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6613 to default cpp spec.
6614 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6615 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6618 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6621 2000-02-15 Denis Chertykov <denisc@overta.ru>
6623 * configure.in: Add support for avr target.
6625 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6627 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6628 (sh_addr_diff_vec_mode): Don't declare.
6629 * sh.c (sh_addr_diff_vec_mode): Delete.
6631 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6633 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6635 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6637 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6638 (smulsi3_highpart_i): Name.
6639 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6640 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6641 (smulsi3_highpart, umulsi3_highpart): Likewise.
6643 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6644 correctly independent of endianness.
6645 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6646 confuse the optimizers.
6647 (mulsidi3+1, umulsidi3+1): New define_split.
6649 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6651 * config/sh/sh.md: Guard insn splits against illegal registers.
6652 * config/sh/sh.h: Correct comment about macros.
6654 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6655 Andrew MacLeod <amacleod@cygnus.com>
6657 * Makefile.in (lcm.o): Depend on insn-attr.h.
6658 * basic-block.h (optimize_mode_switching): Declare.
6659 * lcm.c (tm_p.h, insn-attr.h): #include.
6660 (seginfo, bb_info): New structs.
6661 (antic, transp, comp, delete, insert) : New file-scope static variables.
6662 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6663 (reg_becomes_live, optimize_mode_switching): Likewise.
6664 * tm.texi: Add description of mode switching macros.
6665 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6667 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6668 (fldi_ok, fpscr_set_from_mem): New prototypes.
6669 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6670 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6671 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6672 (sh_flag_remove_dead_before_cse): Remove declaration.
6673 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6674 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6675 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6676 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6677 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6678 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6679 (fldi_ok): New function.
6680 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6681 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6682 (emit_df_insn): Likewise.
6683 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6684 (sh_flag_remove_dead_before_cse): Delete.
6685 (get_free_reg, fpscr_set_from_mem): New functions.
6686 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6687 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6689 2000-02-15 Loren Rittle <ljrittle@acm.org>
6691 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6693 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6695 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6696 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6698 * cccp.c: Include version.h and/or don't declare `version_string'.
6699 * collect2.c: Likewise.
6700 * alpha.c: Likewise.
6701 * arm/aof.h: Likewise.
6702 * arm/coff.h: Likewise.
6703 * arm/elf.h: Likewise.
6704 * arm/pe.h: Likewise.
6705 * arm/tcoff.h: Likewise.
6706 * arm/telf.h: Likewise.
6707 * arm/tpe.h: Likewise.
6708 * arm/vxarm.h: Likewise.
6709 * convex/convex.c: Likewise.
6710 * i386/dgux.c: Likewise.
6711 * i386/sun386.h: Likewise.
6712 * m88k/m88k.c: Likewise.
6713 * mcore/mcore-pe.h: Likewise.
6714 * mips/mips.h: Likewise.
6715 * romp/romp.h: Likewise.
6716 * sh/sh.c: Likewise.
6717 * cpphash.c: Likewise.
6718 * cppinit.c: Likewise.
6719 * dwarf2out.c: Likewise.
6720 * dwarfout.c: Likewise.
6723 * mips-tfile.c: Likewise.
6724 * protoize.c: Likewise.
6725 * toplev.c: Likewise.
6728 * version.c (version_string): Constify a char*.
6730 * version.h: New file.
6732 2000-02-14 Nick Clifton <nickc@cygnus.com>
6734 * configure.in: Add mcore-elf and mcore-pe targets.
6735 * configure: Regenerate.
6737 * NEWS: Add note that MCore port has been contributed.
6739 * invoke.texi: Document command line switches for MCore port.
6740 * install.texi: Add MCore to list of supported targets.
6742 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6744 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6745 then we will need to import the frame handling functions.
6746 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6747 to import the frames themselves.
6749 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6750 Jason Eckhardt <jle@cygnus.com>
6752 * basic_block.h: Added prototype for reorder_basic_blocks.
6753 * toplev.c: Changes to add -freorder-blocks and graph dump after
6754 block reordering is done.
6755 * flow.c (reorder_block_def): New structure for use during block
6757 (REORDER_BLOCK_*): New macros to access members of above structure.
6758 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6759 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6760 functions for block reordering.
6762 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6764 * gcc.texi (Passes): Fix typo.
6765 * md.texi (Standard Names): Ditto.
6766 * tm.texi (Storage Layout): Ditto.
6768 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6770 * cpplib.c (do_define): Only free the old definition if it
6773 2000-02-13 Neil Booth <NeilB@earthling.net>
6775 * cppfiles.c (read_and_prescan): When emitting deferred
6776 newlines, test speccase[] again instead of checking each
6777 possible whitespace character in turn. When we encounter \r,
6778 look behind for \n first, then ahead.
6780 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6782 * cse.c (cse_altered): New internal flag.
6783 (cse_insn): Set it if we changed an insn.
6784 (cse_main): Clear cse_altered before each basic block.
6785 Only garbage collect if cse_altered is true afterward.
6787 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6789 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6791 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6793 * combine.c (simplify_comparison): Fix typo.
6795 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6797 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6800 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6802 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6803 previously inserted node instead of root node. Caller changed.
6805 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6807 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6809 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6811 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6812 __dereg_frame_dtor): Add prototype argument.
6814 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6816 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6818 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6820 * gthr-vxworks.h (__gthread_once): Likewise.
6822 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6824 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6826 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6827 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6828 stack pointer in functions w/o saved registers, output LEAVE more often
6829 on TARGET_USE_LEAVE machines.
6831 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6833 * config/arm/arm.c (arm_init_cumulative_args); New function:
6834 Initlaise the CUMULATIE_ARGS strcuture for a function
6836 (arm_function_arg): New function: Determine where to place a
6837 function's argument. Also handles deciding the function's
6839 (current_file_function_operand): New function: Return true if
6840 the symbol is a function which has already been compiled.
6841 (arm_is_long_call_p): New function: Return true if the
6842 indicated function should be called via a long call.
6843 (arm_valid_type_attribute_p): New function: Return true if the
6844 attribute is a valid, arm specific, attribute.
6845 (arm_comp_type_attribute): New function: Return true if the
6846 two types have compatable, arm specific, attributes.
6848 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6850 (FUNCTION_ARG): Redefine to call arm_function_arg.
6851 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
6853 (INIT_CUMULATIVE_ARGS): Redefine to call
6854 arm_init_cumulative_args.
6855 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
6857 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
6859 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
6861 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
6862 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
6863 (COMP_TYPE_ATTRIBUTES): Define.
6865 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
6866 if a long call is needed.
6867 (call_value): Call arm_is_long_call_p to decide if a long call
6869 (call_symbol): Call arm_is_long_call_p to decide if a long call
6872 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
6874 2000-02-11 Denis Chertykov <denisc@overta.ru>
6876 * README.AVR: New file with information about the avr ports.
6877 * config/avr: New directory with avr port files.
6879 2000-02-11 Andreas Jaeger <aj@suse.de>
6881 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
6883 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
6885 * cpphash.c: Fix formatting, update commentary.
6886 (dump_definition): Take three separate arguments instead of a
6887 MACRODEF structure argument.
6888 * cpphash.h: Update prototype of dump_definition.
6889 * cppinit.c (cpp_finish): Update call of dump_definition.
6891 * cpplib.c (do_define): Always create new hash entry with
6892 T_MACRO type. Remove redundant check for redefinition of
6893 poisoned identifier. Update call of dump_definition.
6894 (do_undef): Don't call check_macro_name. Rename sym_length to
6896 (do_error, do_warning): Don't use copy_rest_of_line or
6898 (do_warning): Don't use pedwarn for the actual warning,
6899 only the notice about its not being in the standard. (Fixes
6900 bug with #warning in system headers.)
6901 (do_ident): Stricter argument checking - accept only a single
6902 string after #ident. Also, macro-expand the line.
6903 (do_xifdef): Use cpp_defined. De-obfuscate.
6905 (do_pragma): Split out specific pragma handling to separate
6906 functions. Use get_directive_token. Update commentary. Do
6907 not pass on #pragma once or #pragma poison to the front end.
6908 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
6909 do_pragma_default): New.
6911 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
6913 * jump.c (jump_optimize_1): The first operand in a relational
6915 * optabs.c (emit_conditional_move): Handle relationals which
6916 have a known true/false result.
6918 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6920 * function.c (thread_prologue_and_epilogue_insns): Don't insert
6921 a RETURN insn into a block which already ends with a jump.
6923 2000-02-11 Geoff Keating <geoffk@cygnus.com>
6925 * haifa-sched.c (BUF_LEN): Increase a lot.
6927 2000-02-11 Nick Clifton <nickc@cygnus.com>
6929 * configure.in: Add tm_p_file specification for thumb targets.
6930 * configure: Regenerate.
6932 * config/arm/thumb-protos.h: New file: Prototypes for exported
6933 functions defined in thumb.c.
6935 2000-02-11 Robert Lipe <robertl@sco.com>
6937 * Makefile.in (bootstrap-lean): Remove additional files.
6938 (bootstrap2-lean): Likewise.
6939 (VOL_FILES): List of files for above.
6941 2000-02-11 Nathan Sidwell <nathan@acm.org>
6943 * cpphash.c (special_symbol): Remove spurious argument to
6946 2000-02-11 Joel Sherrill (joel@OARcorp.com>
6948 * configure.in: (i*86-*-rtems*): Swapped elf and coff
6950 * configure: Rebuilt.
6952 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
6954 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
6956 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
6958 * pa.c, pa.h: Remove trigraph sequences within comments.
6960 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
6962 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
6964 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
6966 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
6968 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6970 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
6972 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6974 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
6975 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
6976 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
6977 (ASM_FILE_END): Use c4x_file_end.
6978 * config/c4x/c4x.c (c4x_global_label): New function.
6979 (c4x_external_ref, c4x_file_end): Likewise.
6981 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
6982 (c4x_external_ref, c4x_end_file): Likewise.
6984 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
6986 * cppexp.c: Don't include cpphash.h.
6987 (parse_charconst, cpp_lex): Use cpp_defined.
6988 (cpp_lex): Use get_directive_token throughout. Remove
6989 unnecessary cases from switch. Move assertion-handling code
6991 (cpp_parse_expr): If we see '+' or '-', check the context to
6992 determine if they are unary or binary operators. Streamline
6993 the jumps a bit. Do not call skip_rest_of_line.
6995 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
6996 static. Export get_directive_token. Update commentary.
6997 (cpp_defined): New function.
6998 (do_define): Remove reference to T_PCSTRING. Call
6999 free_definition to release memory for old definition, when
7001 (eval_if_expression): Set only_seen_white to 0 before calling
7002 cpp_parse_expr. Call skip_rest_of_line after it returns.
7003 (cpp_read_check_assertion): Don't preserve a pointer into the
7004 token buffer across a call to cpp_get_token.
7006 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
7007 * cppfiles.c (redundant_include_p): Use cpp_defined.
7008 * cpphash.c (free_definition): New function.
7009 (delete_macro): Use it. Update commentary.
7010 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
7012 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
7013 from enum node_type. Prototype cpp_defined and get_directive_token.
7014 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
7016 * fix-header.c (check_macro_names): Use cpp_defined.
7017 (read_scan_file): Set inhibit_warnings and inhibit_errors in
7018 the options structure.
7020 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7022 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
7024 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
7026 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
7027 rather than die->die_tag.
7029 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7031 * combine.c (make_extraction, force_to_mode): Avoid warning on
7032 mixed-signedness conditionals.
7033 (make_field_assignment, nonzero_bits): Likewise.
7034 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
7035 (store_split_bit_field, extract_split_bit_field): Likewise.
7036 (extract_fixed_bit_field, store_bit_field,
7037 * expr.c: Change alignment to be unsigned everywhere.
7038 (move_by_pieces, store_constructor_field, store_constructor):
7039 Alignment parm is unsigned.
7040 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7041 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7042 (do_compare_rtx_and_jump): Likewise.
7043 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
7044 Compare align with GET_MODE_ALIGNMENT.
7045 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
7046 (get_inner_reference): Likewise.
7047 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
7048 (expand_assignment): Local vars for alignment now unsigned.
7049 (store_constructor, store_field, expand_expr, do_jump): Likewise.
7050 (do_compare_and_jump): Likewise.
7051 (store_field): Call new function expr_align.
7052 * expr.h (emit_block_move, emit_group_load, emit_group_store):
7053 Alignment arg now unsigned.
7054 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7055 (do_compare_rtx_and_jump, store_bit_field): Likewise.
7056 (extract_bit_field): Likewise.
7057 * fold-const.c (add_double): Add cast to eliminate signedness warning.
7058 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
7059 (get_best_mode): Alignment arg is unsigned.
7060 * rtl.h (move_by_pieces): Likewise.
7061 * store-layout.c (maximum_field_alignment, set_alignment):
7063 (layout_decl): Alignment arg is now unsigned.
7064 Remove unneeded casts.
7065 (layout_record, layout_union, layout_type): Remove unneeded casts.
7066 Local alignment variables now unsigned.
7067 (get_best_mode): Alignment arg now unsigned.
7068 * tree.c (expr_align): New function.
7069 * tree.h (expr_align): Likewise.
7070 (maximum_field_alignment, set_alignment): Now unsigned.
7071 (get_inner_reference): Alignment argument is now pointer to unsigned.
7072 * varasm.c (assemble_variable): Add cast to eliminate warning.
7074 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
7076 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
7077 then store directly into op0.
7079 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
7080 the CALL_INSN, and emit the note immediately after it.
7082 2000-02-10 Nick Clifton <nickc@cygnus.com>
7084 * config/arm/thumb.md (epilogue): Include a (return) in the
7085 generated insn, and emit it using emit_jump_insn not
7088 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
7090 * function.c (assign_temp): Change zero-sized arrays to size 1.
7091 * integrate.c (expand_inline_function): Do not update
7092 stack_alignment_needed
7093 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
7094 add some sanity checking, remove optimization for function with
7097 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7099 * flow.c (mark_regs_live_at_end): Delete unused variables.
7101 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
7103 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
7104 in macro FRAME_GROWS_DOWNWARD.
7106 * stmt.c (expand_end_bindings): Delete unused variable.
7108 * unroll.c (iteration_info): Mark parameter `loop' with
7111 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7113 * fixinc/server.c (load_data): Return NULL if the marker line is
7115 (run_shell): If load_data returns NULL, retry the command once, in
7118 * configure: Rebuilt.
7120 2000-02-09 Bruce Korb <bkorb@gnu.org>
7122 * gcc/fixincludes: ** DELETED **
7123 * gcc/fixcpp: ** DELETED **
7124 * gcc/fixinc-nt.sed: ** DELETED **
7125 * gcc/just-fixinc: ** DELETED **
7126 * gcc/Makefile.in: Removed out-dated commentary
7127 * gcc/configure.in: Removed fast-fixincludes disablement.
7128 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
7130 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7131 * function.c (thread_prologue_and_epilogue_insns): Uncomment
7134 2000-02-09 Richard Henderson <rth@cygnus.com>
7136 * jump.c (delete_insn): Don't delete user labels at -O0.
7138 2000-02-09 Robert Lipe <robertl@sco.com>
7140 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
7141 Don't link with HOST_LIBS.
7143 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7145 * configure.in: Correct --help text for --with-dwarf2.
7146 Put tm-dwarf2.h after other tm files, if it's requested.
7147 * configure: Regenerate.
7148 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
7151 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7153 * cpplib.h: Provide HASHNODE typedef and forward decl of
7154 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
7155 DEFINITION, struct hashnode, struct macrodef, struct
7156 definition, scan_decls prototype, default defn of
7157 INCLUDE_LEN_FUDGE moved elsewhere.
7159 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
7160 definition, and struct hashnode moved here. Remove the unused
7161 'predefined' field from struct definition. Replace the 'args'
7162 union with its sole member. All users updated (cpphash.c).
7163 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
7164 multiple include guard.
7166 * cpphash.c (hashf): Make static; use better algorithm; drop
7167 HASHSIZE parameter; return an unsigned int.
7168 (cpp_lookup): Drop HASH parameter. PFILE parameter is
7169 used. Calculate HASHSIZE modulus here.
7170 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
7172 (create_definition): Drop PREDEFINITION parameter.
7173 * cpplib.c (do_define): Don't calculate a hash value here.
7174 Don't pass (keyword == NULL) to create_definition.
7176 * scan.h: Prototype scan_decls here.
7177 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
7178 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
7179 callers of cpp_lookup and cpp_install updated.
7181 * cpphash.c (macarg): Hoist all the flag diddling out of the
7183 (macroexpand): ... and out of the loop that calls macarg.
7184 Skip over the initial paren before macro arguments with
7185 cpp_get_non_space_token; point may be some distance before
7186 that paren. Abort if it's not there.
7188 * cpplib.c (parse_clear_mark): Delete function.
7189 (parse_set_mark, parse_goto_mark): Make static.
7190 (ACTIVE_MARK_P): New macro.
7191 (skip_block_comment, skip_line_comment): Do not bump the line
7192 if ACTIVE_MARK_P is true.
7193 (cpp_pop_buffer): The buffer to be popped may not have an
7195 (cpp_get_token): When looking for the initial paren before
7196 macro arguments, only set a mark in a file buffer, Always
7197 return to that mark before proceeding to call macroexpand or
7198 return a NAME token.
7200 * cpplib.h: Remove prototypes of parse_set_mark,
7201 parse_clear_mark, parse_goto_mark.
7202 (struct cpp_options): Rename 'put_out_comments' to
7203 'discard_comments' and invert its sense.
7204 * cppinit.c, cpphash.c, cpplib.c: All users of
7205 put_out_comments changed to use discard_comments, with
7208 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7210 * function.c (thread_prologue_and_epilogue_insns): Don't delete
7211 the edge from a block that both jumps and falls through to the
7214 2000-02-09 Scott Bambrough <scottb@netwinder.org>
7216 * config/arm/arm.md (movsi): In PIC mode, make sure that a
7217 constant source address is legitimate.
7219 2000-02-09 Philip Blundell <pb@futuretv.com>
7221 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
7224 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
7226 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
7228 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7230 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
7231 ends with a newline and a NUL. Don't be so clever manipulating
7234 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
7236 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
7237 not to BIGGEST_ALIGNMENT.
7239 2000-02-08 Geoff Keating <geoffk@cygnus.com>
7241 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
7242 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
7243 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
7244 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
7245 * frame.c (execute_cfa_insn): Handle
7246 DW_CFA_GNU_negative_offset_extended.
7248 2000-02-08 Richard Henderson <rth@cygnus.com>
7250 * flow.c (tidy_fallthru_edges): Split out from ...
7251 (delete_unreachable_blocks): ... here.
7252 (find_basic_blocks): Use it.
7254 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7256 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
7258 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
7260 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
7261 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
7262 (fix-header.o): Don't depend on cpphash.h.
7264 * scan.c (hashstr): New function.
7265 * scan.h: Prototype it.
7266 * fix-header.c: Don't include cpphash.h. Use hashstr.
7267 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
7268 hashstr. Report hash table statistics. Add private
7269 definition of xrealloc.
7271 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7273 * i386.h (TARGET_SWITCHES): Fix typo in option name.
7275 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
7277 * function.c (thread_prologue_and_epilogue_insns): Don't replace
7278 jumps with returns unless they are jumps to the fallthru block.
7280 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7282 * i386.md (addqi3_cc): Fix contraints.
7284 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7286 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7288 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7290 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7291 carriage return after a macro name.
7293 2000-02-07 Fred Fish <fnf@be.com>
7295 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7296 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7298 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7300 * cppfiles.c (deps_output): Count spacers in deps_column.
7302 2000-02-07 Neil Booth <NeilB@earthling.net>
7304 * cppinit.c (initialize_dependency_output): If there is no
7305 suffix, don't try to look for known suffixes. Use strrchr.
7306 (cpp_start_read): Remove duplicate initialization.
7308 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7310 * calls.c (compute_argument_block_size): New argument
7311 preferred_stack_boundary.
7312 (expand_call): update cfun->preferred_stack_boundary, update call of
7313 compute_argument_block_size
7314 (emit_library_call): Increate cfun->preferred_stack_boundary
7315 to PREFERRED_STACK_BOUNDARY
7316 (emit_library_call_value): Likewise.
7317 * explow.c (allocate_dynamic_stack_spave): Likewise.
7318 * function.c (prepare_function_start): Set
7319 cfun->preferred_stack_boundary
7320 * function.h (struct function): Add preferred_stack_boundary field.
7321 * integrate.c (expand_inline_function): Update
7322 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7323 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7324 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7326 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7328 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7329 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7330 cpp_pedwarn, cpp_pedwarn_with_line,
7331 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7332 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7333 v_cpp_error_with_line, v_cpp_warning_with_line,
7334 cpp_message_from_errno, cpp_perror_with_name): Delete.
7336 * cpperror.c (cpp_print_containing_files): Take starting
7338 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7339 (v_cpp_message): Now called directly by all entry points.
7341 (cpp_pfatal_with_name, cpp_message): Delete.
7342 (cpp_notice_from_errno, cpp_ice): New functions.
7343 (cpp_notice): Is now for reporting error conditions, just
7344 without an associated file.
7345 (cpp_error, cpp_error_with_line): Don't do anything if
7346 opts->inhibit_errors is on.
7347 (cpp_pedwarn_with_file_and_line): Take column argument also.
7349 * cpplib.h: Update prototypes of exported functions.
7350 (struct cpp_options): Add inhibit_errors.
7352 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7353 non-error messages. Include intl.h.
7355 * cppinit.c, cppmain.c: Likewise. Also, use
7356 cpp_notice_from_errno instead of cpp_perror_with_name or
7357 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7359 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7360 report internal errors.
7362 * cpplib.c (do_define): Switch bcopy to memcpy.
7363 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7365 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7366 bail out early if we hit a line comment.
7368 2000-02-06 Richard Henderson <rth@cygnus.com>
7370 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7371 * basic-block.h: Declare them.
7372 * emit-rtl.h (active_insn_p): New.
7373 (next_active_insn, prev_active_insn): Use it.
7374 * rtl.h: Declare it.
7375 * function.c (emit_return_into_block): New.
7376 (thread_prologue_and_epilogue_insns): Insert return insns instead
7377 of epilogues when possible.
7378 * jump.c (jump_optimize_1): Remove code to insert a return insn
7379 on the fallthru to the exit block.
7381 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7382 and for non-empty stack frames.
7383 * i386.md (return): Expand to return-pop as needed.
7385 2000-02-06 Richard Henderson <rth@cygnus.com>
7387 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7388 constant to op1 for testing.
7390 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7392 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7393 (fixuns_truncqfqi2): Use it.
7395 2000-02-06 Richard Henderson <rth@cygnus.com>
7397 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7400 * i386.md (widening and peepholes): Mask the constant instead of
7403 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7405 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7406 input pointer before possibly branching off to the backslash
7408 * cpphash.c (macroexpand): Correctly delete \r escapes when
7409 stringifying parameters.
7410 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7411 if we can; bail out early if we hit a line comment.
7412 (handle_directive): Treat '# 123' in an .S file just like
7413 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7414 Return 1 for '# not_a_directive'.
7415 (get_directive_token): Pop macro buffers here, so that
7416 cpp_get_token can't sneakily move past a newline.
7418 (cpp_get_token): goto randomchar if handle_directive returns 0.
7420 * cppalloc.c: Update copyright.
7421 * cpplib.c: Merge all the static function prototypes into one
7423 * cpplib.h: Remove #if 0 block.
7425 * cpperror.c: Remove #ifdef EMACS block.
7426 * cppmain.c: Likewise.
7427 * cpphash.c: Remove #if 0 blocks.
7428 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7429 * cpplib.c: Remove #if 0 blocks and code referencing
7430 pcp_inside_if or for_lint. Remove duplicate error message.
7431 Fix error messages for #else after #else or #elif. Reformat.
7432 Remove archaic TODO list.
7433 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7435 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7437 * i386/osf1elf.h: Add missing backslash to multiline string.
7439 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7441 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7443 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7445 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7447 * c-common.c: Include expr.h.
7449 * c-pragma.c (mark_align_stack): Add prototype.
7451 * caller-save.c (add_stored_regs): Likewise.
7453 * combine.c (record_promoted_value): Likewise.
7455 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7458 * cppinit.c (new_pending_define): Likewise.
7460 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7462 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7463 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7464 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7465 class_scope_p): Likewise.
7467 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7468 dwarf2out_add_library_unit_info): Likewise.
7470 * ggc.h (ggc_page_print_statistics): Likewise.
7472 * haifa-sched.c (propagate_deps): Likewise.
7474 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7476 * rtl.h (set_stack_check_libfunc): Likewise.
7478 * toplev.h (set_fatal_function): Likewise.
7480 * toplev.c (set_fatal_function): Delete prototype.
7482 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7484 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7486 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7487 (FUNC_END): Likewise.
7489 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7491 * caller-save.c: Include tm_p.h.
7493 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7495 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7497 2000-02-04 Neil Booth <NeilB@earthling.net>
7499 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7502 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7504 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7505 * genflags.c: Use the max_operand_1 logic from genemit.c to
7506 calculate how many arguments gen_insn prototypes have. Remove
7507 NO_MD_PROTOTYPES ifdefs from the generated file.
7508 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7509 file. Cast gen_insn initializers to insn_gen_fn.
7510 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7511 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7513 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7515 * fixinc/Makefile.in (HDR): Add machname.h.
7518 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7520 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7521 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7522 (c4x_cpu_version): Ditto.
7523 * config/c4x/c4x-protos.h: ... here.
7525 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7527 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7528 gen_abstract_function on our context if we're a nested function.
7530 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7532 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7533 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7535 2000-02-04 Bruce Korb <bkorb@gnu.org>
7537 * fixinc/genfixes(machname.h):
7538 Move the functionality from gen-machine.h into this file.
7539 UNdef MN_NAME_PAT if there are no names to change.
7540 Also, be a little kinder when AutoGen is not present.
7542 * fixinc/Makefile.in(machname.h):
7543 Change the generation rule to use genfixes.
7545 * fixinc/fixfixes.c(machine_name):
7546 machine_name_fix's functionality now dependent upon whether
7547 MN_NAME_PAT is defined.
7549 * fixinc/fixtests.c(machine_name):
7552 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7555 * fixinc/fixlib.h(mn_get_regexps):
7558 * fixinc/gen-machine.h: DELETED
7560 2000-02-04 Jan Hubicka <jh@suse.cz>
7561 Richard Henderson <rth@cygnus.com>
7563 * i386.c (SAVE_REGS_FIRST): Remove.
7564 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7565 (ix86_compute_frame_size): Likewise.
7566 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7567 (ix86_emit_restore_regs): Remove.
7568 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7569 when a frame pointer is in use.
7570 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7571 instead of pop to restore a register when profitable; emit leave
7573 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7575 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7576 * i386.md (prologue_allocate_stack): Remove.
7577 (epilogue_deallocate_stack): Remove.
7578 (pro_epilogue_adjust_stack): New.
7580 2000-02-04 Richard Henderson <rth@cygnus.com>
7582 * function.c (diddle_return_value): Rework to use a callback function.
7583 Use current_function_return_rtx if it's been set up.
7584 (do_clobber_return_reg, clobber_return_register): New.
7585 (do_use_return_reg, use_return_register): New.
7586 (expand_function_end): Use them.
7587 * stmt.c (expand_null_return): Likewise.
7588 * function.h: Declare them.
7589 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7590 (mark_reg): Change arguments as appropriate for callback.
7591 * integrate.c (expand_inline_function): Revert 19 Jan change.
7593 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7595 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7596 (Misc): Say the scheduler, not the Haifa scheduler.
7598 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7600 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7601 when in_mem is set. Update all callers.
7603 2000-02-04 Richard Henderson <rth@cygnus.com>
7605 * i386/openbsd.h (INT_ASM_OP): Define.
7607 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7609 * tm.texi: Fix various typos.
7611 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7613 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7614 (MD_STARTFILE_PREFIX_1): New macro.
7616 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7618 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7619 destination when needed.
7620 (strmovsi, strsetsi): New expander.
7621 (strmovsi_1, strsetsi_1): New pattern.
7622 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7623 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7624 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7625 * invoke.texi (align-stringops, inline-all-stringops): Document.
7627 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7629 * i386/netbsd.h (INT_ASM_OP): Define.
7631 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7633 * cpplib.h (cpp_reader): Add new flag, no_directives.
7634 * cpphash.c (macarg): Set it.
7635 * cpplib.c (handle_directive): If no_directives is on and we
7636 find a directive, issue an error and discard the line.
7638 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7640 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7641 FP constants. Add ! TARGET_FPU check for FP constants.
7643 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7645 * flow.c (find_basic_blocks): Don't kill label_value_list
7647 (cleanup_cfg): Kill it here.
7649 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7651 * expr.c (store_field): Ensure ALIGN is no stricter than the
7654 2000-02-02 Richard Henderson <rth@cygnus.com>
7656 * jump.c (delete_insn): Partially revert 19 Jan change;
7657 don't convert unused code labels to notes at -O0.
7659 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7661 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7662 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7664 2000-02-01 Richard Henderson <rth@cygnus.com>
7666 * i386.c (general_no_elim_operand): New.
7667 (nonmemory_no_elim_operand): New.
7668 (ix86_expand_move): Copy eliminable operands before a push.
7669 * i386-protos.h: Declare new functions.
7670 * i386.h (CAN_ELIMINATE): Simplify.
7671 (PREDICATE_CODES): Update.
7672 * i386.md (push insns): Don't allow eliminable register operands.
7674 2000-02-01 Richard Henderson <rth@cygnus.com>
7676 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7677 replace BLKmode with DECL_RTL's mode.
7679 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7681 * frame.c (find_fde): Convert for loop to do-while so compiler
7682 sees it's always executed at least once.
7683 * libgcc2.c (BBINBUFSIZE): Kill.
7684 (__bb_init_prg): Use fgets.
7685 (__bb_exit_trace_func): Don't paste strings.
7686 * unroll.c (unroll_loop): Initialize unroll_type, not
7687 unroll_number, and tweak logic to match.
7689 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7691 (ix86_flags_dependant): Likewise. Disentangle control flow.
7692 (ix86_sched_reorder): Break guts out to
7693 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7694 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7697 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7698 use string concatenation. Don't save and restore esi.
7700 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7701 (machname.h): Remove script to separate file. Use two-step
7702 sequence so target is not created if script fails.
7703 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7704 identifiers are defined.
7705 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7706 an empty string, machine_name doesn't need to do anything at
7708 (is_cxx_header): Add more cases to regexp.
7709 * fixinc/fixlib.h: Update prototype.
7710 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7712 * fixinc/fixincl.c: Define NO_BOGOSITY.
7714 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7715 (hp_sysfile): Add missing comma.
7716 (math_exception): Put the wrapper ifdefs at the beginning and
7717 the end of the file.
7718 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7720 2000-02-01 Richard Henderson <rth@cygnus.com>
7722 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7723 Use CONST0_RTX. Update all callers.
7724 * sparc.h, sparc-protos.h: Update accordingly.
7725 * sparc.md (fp mov insns): Use fp_zero_operand directly
7728 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7730 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7733 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7735 * Makefile.in (specs.ready): New target.
7736 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7738 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7740 * fixinc.irix: Use unique filenames for writing into /tmp,
7741 * fixinc.ptx: Likewise.
7742 * fixinc.sco: Likewise.
7743 * fixinc.svr4: Likewise.
7744 * fixinc.winnt: Likewise.
7746 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * tsystem.h: New file.
7750 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7751 s-crtS): Depend on tsystem.h.
7753 * crtstuff.c: Include tsystem.h.
7754 * frame.c: Likewise.
7755 * libgcc2.c: Likewise.
7757 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7759 * builtins.c (expand_builtin_memset): Expand for variable sized
7762 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7764 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7767 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7769 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7771 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7773 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7775 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7776 case 3->2 combining (combining with splitting) in which 2 is CC0
7777 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7778 checked at the begining of the function with the aid of calling
7779 function 'can_combine_p'.
7781 2000-01-31 Dave Brolley <brolley@redhat.com>
7783 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7785 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7787 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7790 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7792 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7794 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7797 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7799 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7800 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7801 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7802 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7803 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7804 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7805 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7806 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7807 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7808 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7810 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7811 Add %(cpp_cpu) to CPP_SPEC.
7813 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7814 Add %(cc1_cpu) to CC1_SPEC.
7816 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7818 * c-decl.c (c_decode_option): Accept optional numeric argument to
7819 -Wformat and set warn_format.
7820 * c-common.c: Don't emit warning about non-constant printf format
7821 string unless warn_format > 1.
7823 2000-01-30 Richard Henderson <rth@cygnus.com>
7825 * alpha.md (return_internal): Allow after reload only.
7827 2000-01-30 Richard Henderson <rth@cygnus.com>
7829 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7830 local frame size is zero.
7832 2000-01-30 Richard Henderson <rth@cygnus.com>
7834 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7835 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7836 * alpha.md (return): Turn into an expander.
7837 (return_internal): Don't use $26.
7838 (epilogue): Emit the return insn.
7840 2000-01-30 Richard Henderson <rth@cygnus.com>
7842 * alpha.md (negtf2, abstf2): Fix word order thinko.
7844 (trunctfsf2): Avoid intermediate rounding errors.
7846 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7848 * cppfiles.c (find_position): Drop 'colp' argument, return the
7850 (read_and_prescan): Adjust to match. Don't ever manipulate
7851 line or line_base except via find_position.
7853 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7855 * c-parse.in: Apply Ulrich's changes from c-parse.y.
7856 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
7859 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
7861 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
7862 just print "<command line>". If 'filename' is null or an
7863 empty string, print "<stdin>" for the filename.
7864 * cpplib.c (do_define): Don't print the 'location of the
7865 previous definition' message if we're still parsing the
7867 (cpp_pedwarn_with_file_and_line): Always call
7868 cpp_file_line_for_message.
7870 2000-01-29 Mark Mitchell <mark@codesourcery.com>
7872 * flow.c (mark_regs_live_at_end): Fix typo.
7874 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7876 * c-common.c: Adjust variable names, comments, help strings to c99.
7877 * c-lex.c: Likewise.
7878 * c-parse.y: Likewise.
7879 * c-tree.h: Likewise.
7881 * cpplib.h: Likewise.
7882 * c-decl.c: Likewise. Recognize options with names "*99" as well.
7883 * cppinit.c: Likewise.
7885 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7887 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
7888 * c4x.c: Define the optab rtx values.
7889 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
7890 (c4x_emit_libcall): Use new optab rtx values.
7891 (c4x_emit_libcall3): Likewise.
7892 (c4x_emit_libcall_mulhi): Likewise.
7893 * c4x-protos.h: Add prototypes for optab rtx values and change
7894 prototypes for above c4x_emit_libcall functions.
7896 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7898 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
7900 (c4x_function_prologue): Use regnames intead of float_reg_names when
7902 (c4x_function_epilogue): Likewise.
7903 (c4x_print_operand): Likewise.
7904 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
7905 * c4x.md (set_high): Disable for TARGET_TI.
7907 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7909 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
7910 of framepointer + constant to ADDR_REGS class.
7911 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
7912 * c4x.c (std_or_reg_operand): New function.
7913 * c4x-protos.h (std_or_reg_operand): Prototype it.
7915 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7917 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
7918 object names as libgcc2.c.
7919 * libgcc.S: Use newly defined names.
7921 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
7922 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
7924 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
7925 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
7926 (FLOW_LOOP_LAST_BLOCK): Likewise.
7928 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7930 * basic-block.h (struct loop): New fields 'first' and 'last'.
7931 * flow.c (flow_loops_find): Compute loop->first and loop->last.
7932 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
7933 and loop->last to check for NOTE_INSN_LOOP_END.
7935 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
7937 * predict.c (estimate_probability): Use the new FIRST and LAST fields
7938 of the loop descriptor rather than HEADER and LATCH. Also added
7939 missing break statements as well making some coding style modifications
7940 as suggested by Michael Hayes.
7942 2000-01-28 Richard Henderson <rth@cygnus.com>
7944 * flow.c (find_basic_blocks): Remove do_cleanup argument.
7945 Break out that code ...
7946 (cleanup_cfg): ... here.
7947 (commit_one_edge_insertion): Detect a return instruction being
7948 emitted to an edge. Emit a barrier following; clear fallthru.
7949 (commit_edge_insertions): Verify CFG consistency.
7950 * function.c (expand_function_start): Kill unused variable.
7951 (expand_function_end): Likewise.
7952 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
7953 to insert the epilogue.
7955 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
7956 (delete_null_pointer_checks): Likewise.
7957 * output.h: Likewise.
7958 * reg-stack.c (reg_to_stack): Likewise.
7959 * toplev.c (rest_of_compilation): Likewise. Run
7960 thread_prologue_and_epilogue_insns after rebuilding the CFG.
7962 2000-01-28 Richard Henderson <rth@cygnus.com>
7964 * Makefile.in (flow.o): Revert 24 Jan change.
7965 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
7966 FUNCTION_VALUE result to DECL_RESULT's mode.
7968 * haifa-sched.c (schedule_insns): Don't recompute reg info
7971 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
7973 * configure.in: Make --enable-cpplib the default.
7974 * configure: Regenerate.
7975 * gcc.dg/990119-1.c: No longer expected to fail.
7977 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
7979 * jump.c (jump_optimize_1): Delete an optimization that is also done
7980 by merge_blocks in flow.
7982 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7984 * diagnostic.c (build_message_string, output_printf,
7985 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
7986 (build_location_prefix): Fix non-literal format string.
7988 2000-01-27 Richard Henderson <rth@cygnus.com>
7990 * alpha.md (trunctfsf2): New.
7992 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
7994 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
7996 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
7998 * cppinit.c (cpp_handle_option): Recognize C++ comments under
8000 * cpplib.c (skip_block_comment, skip_line_comment): Split code
8002 (skip_comment) ... here. Permit C++ comments in system
8003 headers always. Warn about C++ comments in user code under
8004 -std=gnu89 -pedantic.
8005 (copy_comment): Use skip_comment.
8006 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
8008 (consider_directive_while_skipping, do_else, do_endif): Call
8009 validate_else unconditionally.
8010 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
8011 text after the conditional in a system header.
8012 * cpplib.h (struct cpp_buffer): Add flag
8013 warned_cplusplus_comments.
8015 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8017 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
8018 Use unshare_all_rtl_1.
8019 (unshare_all_rtl_again): New function.
8020 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
8022 * function.c (purge_addressof_1): Use unshare_all_rtl_again
8023 rather than resetting the 'used' flags ourself.
8025 * toplev.c (rest_of_compilation): Add current_function_decl
8026 to the unshare_all_rtl call.
8027 * tree.h: Prototype unshare_all_rtl.
8028 * rtl.h: Prototype unshare_all_rtl_again here.
8030 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8032 * genoutput.c (output_prologue): Include ggc.h in generated
8034 * Makefile.in (insn-output.o): Depends on ggc.h.
8036 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
8037 Hans-Peter Nilsson <hp@bitrange.com>
8039 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
8040 Remove redundant include of xm-ns32k.h.
8041 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
8042 Remove redundant include of xm-ns32k.h.
8043 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
8044 Remove redundant include of xm-ns32k.h.
8045 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
8047 * ns32k/ns32k.h: Update comment on multiply-add instructions.
8048 (TARGET_SWITCHES): Add documentation strings.
8049 (DWARF_FRAME_REGNUM): Override default definition.
8050 (REG_CLASS_CONTENTS): Add comments.
8051 (SUBSET_P): Format to reduce line length.
8052 (SMALL_REGISTER_CLASSES): Make a run time option.
8053 (GO_IF_NONINDEXED_ADDRESS): Reformat.
8054 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
8055 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
8056 (regclass_map): fix typo in comment.
8057 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
8058 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
8059 (trace, reg_or_mem_operand): Delete, unused function.
8060 (calc_address_cost): Small offsets are cheaper than large ones.
8061 (expand_block_move): Generate more efficient code when bytes is a
8062 known at compile time.
8063 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
8064 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
8065 instead of reg_or_mem_operand.
8067 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
8068 not general_operand. Similarly use "=rm" or stricter, not "=g".
8069 For input operands, use stricter constraints than "g" if not
8070 general_operand. Similarly use stricter predicate than
8071 "general_operand" when stricter constraints than "g" are present,
8072 except for matching constraints.
8073 (movstrsi): Use "memory_operand" for operands 0 and 1.
8074 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
8075 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
8076 not reg_or_mem_operand.
8077 (udivmoddisi4): Ditto.
8078 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
8079 Use nonimmediate_operand for operand 3, not register_operand.
8080 (udivmoddiqi4_internal): Use register_operand for operand 1, not
8083 2000-01-27 Fred Fish <fnf@be.com>
8085 * gthr-posix.h: Fix typo; compatibily -> compatibility.
8086 * gthr-single.h: Likewise.
8087 * gthr-solaris.h: Likewise.
8088 * gthr-vxworks.h: Likewise.
8089 * gthr-win32.h: Likewise.
8092 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8094 * cppinit.c: Add " (cpplib)" to end of string printed by
8097 2000-01-27 Richard Henderson <rth@cygnus.com>
8099 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
8100 testing for a signed comparison.
8101 (alpha_emit_floatuns): New.
8102 * alpha-protos.h: Declare it.
8103 * alpha.md (floatunsdisf2, floatunsdidf2): New.
8104 (extendsfdf2): Tidy.
8106 2000-01-27 Jakub Jelinek <jakub@redhat.com>
8108 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
8109 no -g option specifying debugging format, default to -gstabs+.
8111 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8113 * calls.c (special_function_p): New argument fork_or_exec.
8114 (expand_call): When profile_arc_flag is set and the function
8115 is in the fork_or_exec group, call __bb_fork_func first.
8116 * libgcc2.c, _bb module (__bb_fork_func): New function.
8117 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
8119 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
8120 * tree.h (special_function_p): Update prototype.
8122 2000-01-26 Richard Henderson <rth@cygnus.com>
8124 * alpha.c (alpha_split_tfmode_pair): New.
8125 * alpha-protos.h: Declare it.
8126 * alpha.md (abstf2, negtf2): New.
8127 (movtf insn): Add input G constraint.
8128 (movtf splitter): Use alpha_split_tfmode_pair.
8130 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8132 * i386/cygwin.h: PROTO -> PARAMS.
8134 2000-01-26 Jakub Jelinek <jakub@redhat.com>
8136 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
8137 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
8138 using _Qp_cmp/_Q_cmp and testing the return value.
8139 (print_operand): Call reverse_condition_maybe_unordered if
8140 we are handling CCFPmode or CCFPEmode.
8141 Handle ORDERED, UN* and LTGT comparisons.
8142 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
8143 if not TARGET_HARD_QUAD.
8144 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
8145 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
8146 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
8147 Adjust gen_b* calls so that they reflect return comparison of
8148 sparc_emit_float_lib_cmp.
8150 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8152 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
8153 incoming operands array is large enough for one more operand.
8154 (alpha_emit_xfloating_arith): Likewise.
8156 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8158 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
8159 file with one line and no trailing newline.
8160 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
8161 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
8162 checking if the match is on the line.
8163 * fixinc/gnu-regex.c: Provide regerror not __regerror.
8165 2000-01-25 Richard Henderson <rth@cygnus.com>
8167 * sparc.c (output_cbranch): Fix accidental squashing of the
8168 fp branch pre-delay nop.
8170 2000-01-25 Richard Henderson <rth@cygnus.com>
8172 * tree.def (UNNE_EXPR): Remove.
8173 * c-typeck.c (build_binary_op): Don't handle it.
8174 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
8176 * rtl.def (UNNE): Remove.
8178 * jump.c (reverse_condition): Update accordingly.
8179 (swap_condition): Likewise.
8180 (comparison_dominates_p): Handle unordered comparisons.
8181 (reverse_condition_maybe_unordered): New.
8182 * rtl.h (reverse_condition_maybe_unordered): Declare.
8184 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
8185 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
8186 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
8187 * sparc.md (bltgt): New.
8189 2000-01-25 Nick Clifton <nickc@redhat.com>
8191 * emit-rtl.c (emit_insn): Only check machine class insns for
8192 improper emission of a RETURN.
8194 2000-01-25 Richard Henderson <rth@cygnus.com>
8196 * Makefile.in (flow.o): Depend on $(EXPR_H).
8197 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
8198 duplicate the structure of diddle_return_value for keeping regs live.
8200 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8202 * loop.c (current_loop_info): Delete.
8203 (consec_sets_invariant_p): Add loop argument, update callers.
8204 (get_condition_for_loop): Likewise.
8205 (count_nonfixed_reads, update_giv_derive): Likewise.
8206 (simplify_giv_expr, general_induction_var): Likewise.
8207 (consec_sets_giv, recombine_givs): Likewise.
8208 (move_movables): Delete loop_start and loop_end arguments,
8209 add loop argument, and update callers.
8210 (find_mem_givs, check_final_value): Likewise.
8211 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
8212 (loop_invariant_p): Rename from invariant_p, add loop argument, and
8214 (basic_induction_var): Add loop argument, delete loop_level argument,
8216 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
8217 add loop argument, and update callers.
8218 (find_splittable_regs, find_splittable_givs): Likewise.
8219 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
8220 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
8221 (biv_total_increment): Delete loop_start and loop_end arguments;
8223 (precondition_loop_p): Delete loop_start and loop_info arguments;
8225 * loop.h (get_condition_for_loop): Add loop argument.
8226 (biv_total_increment): Delete loop_start and loop_end arguments.
8227 (precondition_loop_p): Delete loop_start and loop_info arguments;
8229 (final_biv_value): Delete loop_start and loop_end arguments;
8231 (final_giv_value, back_branch_in_range_p): Likewise.
8233 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8235 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
8237 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8239 * Makefile.in (c-gperf.h) : Change the "See" pointer to
8240 point to the new "generated_files" doc.
8242 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8244 * config/fp-bit.c (_unord_f2): Fix typo.
8246 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8248 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
8249 c-typeck.c, objc/objc-act.c: Remove all references to obstack
8250 functions obsoleted by GC, such as push_obstacks_nochange,
8251 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
8252 and code which existed only to decide whether or not to call
8253 them. Remove now-unused NESTED argument from start_function;
8254 all callers changed. Do not change behavior based on ggc_p.
8255 The use of the ixp_obstack in c-iterate.c and the util_obstack
8256 in objc/objc-act.c remain; these are not obsoleted by garbage
8258 * c-tree.h: Update prototype for start_function.
8260 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
8262 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8264 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
8267 2000-01-25 Richard Henderson <rth@cygnus.com>
8269 * sparc-protos.h (select_cc_mode): Declare.
8270 * sparc.c (select_cc_mode): New. Handle unordered compares.
8271 (output_cbranch): Always reverse via code change. Handle
8272 unordered compares. Factor tests and string updates.
8273 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
8274 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
8275 * sparc.md (bunordered, bordered): New.
8276 (bungt, bunlt, buneq, bunge, bunle): New.
8278 2000-01-25 Richard Henderson <rth@cygnus.com>
8280 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8281 * ggc-common.c (ggc_add_rtx_varray_root): New.
8282 (ggc_mark_rtx_varray): New.
8283 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8284 functions down below ggc_mark_foo.
8285 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8287 2000-01-25 Richard Henderson <rth@cygnus.com>
8289 * alpha.c (secondary_reload_class): Don't allocate a secondary
8290 for integral mode memories into FLOAT_REGS. Rearrange the more
8291 complicated memory expression inward.
8293 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8295 * inclhack.def: Fixes to play nicer with FreeBSD, and
8296 corrections to comments.
8297 (cxx_unready): Add select expression.
8298 (irix_sockaddr): Add bypass expression.
8299 (machine_ansi_h_va_list): New fix.
8300 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8301 Split out addition of "#include <stdarg.h>" to...
8302 (stdio_stdarg_h): ... here.
8303 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8304 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8305 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8307 (ultrix_ifdef): Tighten up select expression.
8309 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8310 re_ct and max_mach to avoid use of shell. Make printed names
8311 match names in inclhack.def. Use static copyright date.
8312 Don't count c_test and test expressions as requiring regex_t
8313 slots. Add some commentary.
8314 * inclhack.tpl: Do not include the 'This script contains N
8315 fixup scripts' line if PROGRAM is defined. Use static
8318 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8320 * dwarf2out.c: include "varray.h", not dyn-string.h.
8321 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8322 (addr_const_to_string, addr_to_string): Lose.
8323 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8324 (struct dw_val_struct): val_addr is now an rtx.
8325 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8326 (used_rtx_varray): New varray.
8327 (dwarf2out_init): Initialize it.
8329 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8331 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8332 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8333 * Makefile.in (dwarf2out.o): Update dependencies.
8335 2000-01-24 Richard Henderson <rth@cygnus.com>
8337 * i386.c (i386_dwarf_output_addr_const): New.
8338 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8340 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8342 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8343 * i386.c (i386_simplify_dwarf_addr): New.
8344 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8346 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8348 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8349 TYPE_STUB_DECL is NULL.
8351 2000-01-24 Richard Henderson <rth@cygnus.com>
8353 * builtins.c (expand_tree_builtin): Move ...
8354 * c-common.c (expand_tree_builtin): ... here.
8356 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8358 * loop.h (LOOP_INFO): New accessor macro.
8359 * basic-block.h (struct loop): Rename field `info' to `aux'.
8360 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8361 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8362 * unroll.c (loop_iterations, unroll_loop): Likewise.
8364 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8366 * config/i386/t-cygwin: Accomodate new winsup directory layout
8367 when searching for include files.
8369 2000-01-24 Richard Henderson <rth@cygnus.com>
8371 * rtl.def: Add unordered fp comparisions.
8372 * tree.def: Likewise.
8373 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8375 * builtins.c (expand_tree_builtin): New function.
8376 * c-typeck.c (build_function_call): Use it.
8377 (build_binary_op): Support unordered compares.
8378 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8380 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8381 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8382 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8383 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8384 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8386 (swap_condition): Handle unordered compares.
8387 (thread_jumps): Check can_reverse before reversing.
8388 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8391 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8392 setcc is present before acking for cmp_optab. Update all callers.
8393 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8394 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8395 * expr.c (expand_expr): Likewise. Support unordered compares.
8396 (do_jump, do_store_flag): Likewise.
8397 * expr.h (enum libfunc_index): Add unordered compares.
8399 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8400 (DPBIT_FUNCS): Add _unord_df.
8401 * config/fp-bit.c (_unord_f2): New.
8402 * fp-test.c (main): Try unordered compare builtins.
8404 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8405 * alpha.c (alpha_comparison_operator): Check mode properly.
8406 (alpha_swapped_comparison_operator): Likewise.
8407 (signed_comparison_operator): Likewise.
8408 (alpha_fp_comparison_operator): New.
8409 (alpha_emit_conditional_branch): Handle unordered compares.
8410 * alpha.h (PREDICATE_CODES): Update.
8411 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8412 (bunordered, bordered): New.
8414 2000-01-24 Richard Henderson <rth@cygnus.com>
8416 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8417 * alpha.md (movtf): New expander, insn, and splitter.
8419 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8421 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8424 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8426 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8427 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8428 REG_ALLOC_ORDER): Add frame pointer
8429 (FRAME_POINTER_REGNUM): Set to 20
8430 (HARD_FRAME_POINTER_REGNUM): New macro.
8431 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8432 to HARD_FRAME_POINTER.
8433 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8434 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8435 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8436 (HI_REGISTER_NAMES): Add "frame".
8437 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8438 (debug_reg): Handle FRAME_POINTER_REGNUM.
8439 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8440 GENERAL_REGS and INDEX_REGS.
8441 * i386.c (SAVED_REGS_FIRST): new macro.
8442 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8443 (ix86_decompose_address, memory_address_length): Likewise.
8444 (regclass_map): Add frame pointer.
8445 (call_insn_operand): Handle frame_pointer_rtx.
8446 (reg_no_sp_operand): Likewise.
8447 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8448 (print_operand, legitimize_pic_address): Fix formating.
8449 (ix86_compute_frame_size): Make static, update prototype, new
8450 parameters padding1, padding2, use ix86_nsaved_regs, use
8451 stack_alignment_needed.
8452 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8453 to HARD_FRAME_POINTER_REGNUM conversions.
8454 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8455 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8456 (print_reg): Abort on FRAME_POINTER_REGNUM
8458 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8460 * i386.h (PREDICATE_CODES): Add aligned_operand.
8461 * i386.c (aligned_operand): New function.
8462 (ix86_aligned_p): Kill.
8463 * i386.md (movhi_1): Emit mov for aligned operands.
8464 (promoting peep2s): Use aligned_operand.
8466 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8468 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8469 expression to allow underscores in macro names.
8470 (fix_char_macro_defines): Increment scanning pointer.
8472 2000-01-23 Richard Henderson <rth@cygnus.com>
8474 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8475 * alpha/osf5.h: New file.
8476 * configure.in (alpha-*-osf5): Add it to tm_file.
8478 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8480 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8481 (alpha_emit_xfloating_cvt, function_arg): Declare.
8482 * alpha.c (alpha_emit_conditional_branch): Call
8483 alpha_emit_xfloating_compare for TFmode compares.
8484 (alpha_lookup_xfloating_lib_func): New.
8485 (alpha_compute_xfloating_mode_arg): New.
8486 (alpha_emit_xfloating_libcall): New.
8487 (alpha_emit_xfloating_arith): New.
8488 (alpha_emit_xfloating_compare): New.
8489 (alpha_emit_xfloating_cvt): New.
8490 (print_operand): Add default abort case.
8491 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8492 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8493 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8494 (RETURN_IN_MEMORY): True for TF/TCmode.
8495 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8496 (FUNCTION_ARG): Move to function_arg.
8497 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8498 (ASM_OUTPUT_LONG_DOUBLE): New.
8499 (ASM_OUTPUT_DOUBLE): Always output bits.
8500 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8501 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8502 (extenddftf2, trunctfdf2): New.
8504 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8506 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8507 * config/sparc/sol2.h: ... here.
8509 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8511 * basic-block.h (struct loops): New field `levels'.
8512 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8513 (flow_loop_level_compute): Initialise level to 1.
8514 (flow_loops_find): Set loops->levels.
8515 (flow_loops_dump): Print loops->levels.
8517 2000-01-23 Richard Henderson <rth@cygnus.com>
8519 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8520 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8522 2000-01-23 Richard Henderson <rth@cygnus.com>
8524 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8525 * i386.h (DBX_REGISTER_NUMBER): Use them.
8526 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8527 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8528 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8529 * i386/sequent.h: Kill incorrect comment.
8531 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8533 * ggc-page.c (struct page_entry): Make `context_depth' an
8535 (struct globals): Likewise.
8537 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8539 * loop.c (check_dbra_loop): When checking a loop for
8540 reversability, check the source of any stores to ensure
8541 they don't depend on an initial value.
8543 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8545 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8547 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8549 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8550 'pz_scan' into scope of entire function. Only affects
8551 compiles with -DDEBUG.
8553 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8555 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8556 section naming to that prior to 2000-01-07 patch.
8557 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8558 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8559 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8560 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8561 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8563 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8565 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8568 2000-01-21 Jim Wilson <wilson@cygnus.com>
8570 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8571 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8573 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8575 * cpphash.c (change_newlines): Delete function.
8576 (struct argdata): Delete 'newlines' and 'use_count' fields.
8577 (macroexpand): Remove code referencing those fields.
8579 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8581 * loop.c (loops_info): New variable.
8582 (loop_optimize): Allocate loops->array and free it on exit.
8583 Allocate memory for loops_info and assign to each loop,
8585 (find_and_verify_loops): Do not allocate loops->array.
8587 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8589 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8591 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8593 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8594 pseudos if expanded after first flow.
8595 (movdi_pic_label_ref): Likewise.
8597 2000-01-20 Richard Henderson <rth@cygnus.com>
8599 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8601 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8603 * Makefile.in (fixinc.sh): Depend on specs.
8604 * fixinc/Makefile.in: Add rule to create machname.h.
8605 (fixlib.o): Depend on machname.h.
8606 * fixinc/fixtests.c (machine_name): New test.
8607 * fixinc/fixfixes.c (machine_name): New fix.
8608 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8609 the machine_name test and fix.
8610 * fixinc/fixlib.h: Prototype it.
8611 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8612 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8614 * gcc.c (do_spec_1) [case P]: Take care not to create
8615 identifiers with three leading or trailing underscores.
8617 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8618 (fixincl): Don't specify libraries twice on link line.
8619 (gnu-regex.o): Remove special rule.
8620 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8621 defined by config.h. Do not define _REGEX_RE_COMP.
8622 (regcomp): Allocate and initialize a fastmap.
8623 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8625 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8627 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8629 2000-01-19 Richard Henderson <rth@cygnus.com>
8631 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8632 arguments with BB. Update all callers. Tidy line wrapping.
8634 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8636 * emit-rtl.c (try_split): Return last_insn if we split the
8639 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8641 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8642 (ix86_initial_elimination_offset): Declare.
8643 * i386.c (ix86_nsaved_regs): Break out from ...
8644 (ix86_can_use_return_insn_p): ... here.
8645 (ix86_emit_save_regs): Break out from ...
8646 (ix86_expand_prologue): ... here.
8647 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8649 (ix86_expand_epilogue): ... here.
8650 (ix86_compute_frame_size): Make static, add prototype.
8651 (ix86_initial_elimination_offset): Break out from ...
8652 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8654 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8656 * recog.h (OUT_FCN): Delete.
8658 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8660 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8662 * cppalloc.c: PROTO -> PARAMS.
8663 * cpperror.c: Likewise.
8664 * cppfiles.c: Likewise.
8665 * cpplib.c: Likewise.
8666 * cpplib.h: Likewise.
8668 * config/arm/arm-protos.h: PROTO -> PARAMS.
8669 * config/arm/arm.c: Likewise.
8670 * config/c4x/c4x.c: Likewise.
8671 * config/fr30/fr30-protos.h: Likewise.
8672 * config/nextstep.c: Likewise.
8673 * config/pa/pa.c: Likewise.
8674 * config/pj/pj.c: Likewise.
8675 * config/rs6000/rs6000.c: Likewise.
8676 * config/v850/v850-protos.h: Likewise.
8677 * config/v850/v850.c: Likewise.
8679 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8681 * i370-protos.h: New file.
8683 * i370.c: Include tm_p.h. Fix compile time warnings.
8685 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8688 * i370.md: Likewise.
8690 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8692 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8693 (target_isinf, target_isnan, eisnan): Mark parameter with
8695 (eiisinf): Wrap in INFINITY.
8696 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8697 (ibmtoe): Remove unused variable `rndsav'.
8699 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8701 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8702 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8704 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8706 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8707 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8708 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8710 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8711 Recognize Emacs mode markers also.
8712 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8713 C++ comments in C++ headers. Call is_cxx_header only if
8716 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8718 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8719 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8720 ... these, which use the new C fixes.
8721 (math_exception): Escape literal '+' in bypass expression.
8723 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8726 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8728 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8731 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8733 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8734 prior to calling scan_loop.
8736 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8738 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8739 (split_branches, calc_live_regs): Likewise.
8741 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8743 * sh.md (fpu_single, fp_mode): New attributes.
8745 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8747 * loop.c (current_loop_info): Renamed from loop_info_data
8748 and changed to a pointer.
8749 (loop_optimize): Allocate loop_info structure for each loop
8750 and initialise to zero.
8751 (scan_loop): Set current_loop_info.
8753 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8756 2000-01-19 Richard Henderson <rth@cygnus.com>
8758 * stupid.c: Die die die.
8759 * Makefile.in (OBJS): Remove stupid.o.
8760 (stupid.o): Likewise.
8762 * except.c (emit_eh_context): Don't emit USEs for stupid.
8763 * explow.c (probe_stack_range): Likewise.
8764 * flags.h (obey_regdecls): Remove.
8765 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8766 when not optimizing.
8767 (life_analysis): Limit data collection when not optimizing.
8768 (mark_regs_live_at_end): Always mark the return value registers.
8769 (mark_used_regs): Remove dummy RETURN case.
8770 (print_rtl_with_bb): Don't consult obey_regdecls.
8771 * function.c (use_variable, use_variable_after): Remove.
8772 (assign_parms): Consult optimize not obey_regdecls.
8773 (expand_function_start): Don't emit USEs for stupid.
8774 (expand_function_end): Likewise.
8775 * global.c (build_insn_chain): Export.
8776 * integrate.c (expand_inline_function): Kill return-value USE
8778 * jump.c (jump_optimize_1): Do simple jump optimizations and
8779 dead code elimination.
8780 (calculate_can_reach_end): Remove check_deleted argument.
8781 (delete_insn): Patch out insns even when not optimizing.
8782 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8783 * rtl.h (use_variable, use_variable_after): Remove declarations.
8784 (build_insn_chain): Declare.
8785 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8786 (expand_end_bindings): Likewise.
8787 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8788 * toplev.c (obey_regdecls): Remove.
8789 (rest_of_compilation): Don't set it. Kill stupid in favour of
8790 flow1, local-alloc, and reload.
8791 (main): Don't set obey_regdecls.
8793 * config/nextstep.c (handle_pragma): Likewise.
8795 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8797 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8799 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8801 * alpha-protos.h: PROTO -> PARAMS.
8802 * alpha.c: Likewise.
8804 * h8300.c: Likewise.
8805 * i386-protos.h: Likewise.
8807 * m32r-protos.h: Likewise.
8810 * mips.md: Likewise.
8811 * gmon-sol2.c: Likewise.
8812 * sparc.c: Likewise.
8814 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8816 * ns32k-protos.h: New file.
8818 * ns32k.c: Fix compile time warnings.
8820 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8823 * ns32k.md: Likewise.
8825 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8827 * vax-protos.h: New file.
8829 * vax.c: Fix compile time warnings.
8831 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8836 * vaxv.md: Likewise.
8838 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8840 * romp-protos.h: New file.
8842 * romp.c: Fix compile time warnings.
8844 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8847 * romp.md: Likewise.
8849 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8851 * we32k-protos.h: New file.
8853 * we32k.c: Fix compile time warnings.
8855 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
8858 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8860 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
8862 * except.c (eh_regs): Likewise.
8864 * final.c (output_operand): Likewise.
8866 * fold-const.c (target_isinf, target_isnan): Likewise.
8868 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8870 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
8871 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
8873 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
8875 (clrstrsi): Rewrite.
8876 (strsethi, strsetqi): New expanders.
8877 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
8878 (cmpstrsi): Emit compare insn before cmpstrsi_1
8879 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
8880 (strlensi_1): Likewise.
8881 (cmpstrsi_1): Likewise; do not output compare.
8882 (strlen expander): Do not unroll when optimizing for size.
8883 (*subsi3_carry): Rename to subsi3_carry
8884 (addqi3_cc): New pattern.
8885 * i386.h (processor_costs): Add move_ratio field.
8886 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
8887 * i386.c (*_cost): Set move_ratio.
8888 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
8889 (x86_expand_strlensi_1): Rewrite the main loop.
8891 2000-01-17 Richard Henderson <rth@cygnus.com>
8893 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
8894 * cse.c (find_comparison_args, fold_rtx): Likewise.
8895 * integrate.c (subst_constants): Likewise.
8896 * loop.c (get_condition): Likewise.
8898 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
8900 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
8902 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8904 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
8905 (RESTORE_WARN_FLAGS): Unpack it.
8906 Change semantic type of extension to ttype.
8907 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
8908 * c-parse.y, c-parse.c, objc/objc-parse.y,
8909 objc/objc-parse.c: Regenerate.
8911 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
8913 * fixinc/fixlib.c: Add copyright notice.
8914 (compile_re): New function.
8915 * fixinc/fixlib.h: Prototype compile_re.
8917 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
8918 Use compile_re to compile regular expressions.
8920 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
8921 where the pattern matched.
8923 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
8925 (ultrix_ansi_compat): Likewise.
8926 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
8928 (interactv_add2, interactv_add3): Delete.
8929 (x11_sprintf): Don't use filename glob.
8930 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
8933 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8935 * print-rtl.c: PROTO -> PARAMS.
8937 * reg-stack.c: Likewise.
8938 * resource.c: Likewise.
8939 * sdbout.h: Likewise.
8940 * simplify-rtx.c: Likewise.
8941 * stor-layout.c: Likewise.
8942 * stupid.c: Likewise.
8943 * xcoffout.c: Likewise.
8944 * xcoffout.h: Likewise.
8946 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8948 * toplev.c: PROTO -> PARAMS.
8949 * toplev.h: Likewise.
8952 * unroll.c: Likewise.
8953 * varasm.c: Likewise.
8954 * varray.c: Likewise.
8955 * varray.h: Likewise.
8957 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8959 * reload.c: PROTO -> PARAMS.
8960 * reload.h: Likewise.
8961 * reload1.c: Likewise.
8962 * reorg.c: Likewise.
8963 * resource.h: Likewise.
8966 * rtlanal.c: Likewise.
8967 * sbitmap.h: Likewise.
8968 * sdbout.c: Likewise.
8969 * stack.h: Likewise.
8971 * system.h: Likewise.
8973 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8975 * machmode.h: PROTO -> PARAMS.
8976 * mbchar.h: Likewise.
8977 * mips-tdump.c: Likewise.
8978 * mips-tfile.c: Likewise.
8979 * optabs.c: Likewise.
8980 * output.h: Likewise.
8981 * prefix.c: Likewise.
8982 * profile.c: Likewise.
8983 * protoize.c: Likewise.
8985 * recog.c: Likewise.
8986 * recog.h: Likewise.
8987 * regclass.c: Likewise.
8988 * regmove.c: Likewise.
8991 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8993 * ggc-common.c: PROTO -> PARAMS.
8994 * ggc-page.c: Likewise.
8995 * ggc-simple.c: Likewise.
8997 * global.c: Likewise.
8998 * graph.c: Likewise.
8999 * gthr-win32.h: Likewise.
9000 * haifa-sched.c: Likewise.
9001 * halfpic.h: Likewise.
9002 * integrate.c: Likewise.
9003 * integrate.h: Likewise.
9006 * local-alloc.c: Likewise.
9010 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9012 * genattr.c: PROTO -> PARAMS.
9013 * genattrtab.c: Likewise.
9014 * gencheck.c: Likewise.
9015 * gencodes.c: Likewise.
9016 * genconfig.c: Likewise.
9017 * genemit.c: Likewise.
9018 * genextract.c: Likewise.
9019 * genflags.c: Likewise.
9020 * gengenrtl.c: Likewise.
9021 * genopinit.c: Likewise.
9022 * genoutput.c: Likewise.
9023 * genpeep.c: Likewise.
9024 * genrecog.c: Likewise.
9026 2000-01-16 Mark Mitchell <mark@codesourcery.com>
9028 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
9030 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9032 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
9033 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
9034 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
9035 * configure, config.in: Rebuilt.
9037 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
9039 * config/i386/i386.md: Add peephole to merge successive stack
9042 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
9044 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
9045 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
9046 when walking backwards to find all the parameter loads when
9047 the basic block ends in a call.
9049 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9051 * loop.c (this_loop_info): Delete.
9052 (uid_loop): Add in place of uid_loop_num. All uses updated.
9053 (loop_number_exit_count): Delete and replace with entry in loop
9054 structure. All uses updated.
9055 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9056 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9057 (loop_outer_loop): Likewise.
9058 (loop_invalid, loop_number_exit_labels): Likewise.
9059 (loop_used_count_register): Delete and replace with entry in
9060 loop_info structure.
9061 (find_and_verify_loops): Add loops argument.
9062 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
9063 loop_end, etc. arguments with loop structure pointer. All callers
9065 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
9066 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
9067 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
9068 (insert_bct): Likewise.
9069 (basic_induction_var): New argument level.
9070 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
9071 vtop, and cont. Add used_count_register.
9072 (uid_loop): Delete declaration.
9073 (loop_number_exit_count): Likewise.
9074 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9075 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9076 (loop_outer_loop, loop_used_count_register): Likewise.
9077 (loop_invalid, loop_number_exit_labels): Likewise.
9078 (unroll_loop): Replace loop_start and loop_end arguments
9079 with loop structure pointer.
9080 (loop_precondition_p, loop_iterations): Likewise.
9081 Include basic-block.h.
9082 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
9083 with loop structure pointer.
9084 (loop_precondition_p, loop_iterations): Likewise.
9085 * basic-block.h (struct loop): New entries vtop, cont,
9086 cont_dominator, start, end, top, scan_start, exit_labels,
9088 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
9090 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9092 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
9094 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
9096 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
9098 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9100 * pdp11-protos.h: New file.
9102 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
9105 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
9108 * pdp11.md: Likewise.
9112 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9114 * mn10300-protos.h: New file.
9116 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
9119 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
9122 * mn10300.md: Likewise.
9124 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9126 * mn10200-protos.h: New file.
9128 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
9131 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
9134 * mn10200.md: Likewise.
9136 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9138 * h8300-protos.h: New file.
9140 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
9143 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
9146 * h8300.md: Likewise.
9148 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9150 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
9151 (asm_emit_uninitialised): Likewise.
9153 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
9155 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
9156 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
9158 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9160 * config/mips/mips.c (override_options): Don't turn on extra
9161 alignment for mips16.
9163 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9165 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
9166 eabi, and make sure queued POSTINCREMENT rtl is emitted at
9169 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9171 * builtins.c (PAD_VARARGS_DOWN): Define.
9172 (std_expand_builtin_va_arg): Use the above macro.
9173 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
9174 * tm.texi (Register Arguments): Document the above macro.
9176 2000-01-14 Nick Clifton <nickc@cygnus.com>
9178 * emit-rtl.c (emit_insn): If checking is enabled, make sure
9179 that this function has not been used to emit a jump
9182 * jump.c (return_jump_1): Cope with being passed a null rtx.
9184 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9186 * eh-common.h: PROTO -> PARAMS.
9187 * emit-rtl.c: Likewise.
9188 * errors.c: Likewise.
9189 * errors.h: Likewise.
9190 * except.c: Likewise.
9191 * except.h: Likewise.
9192 * explow.c: Likewise.
9193 * expmed.c: Likewise.
9196 * final.c: Likewise.
9197 * fix-header.c: Likewise.
9199 * fold-const.c: Likewise.
9200 * function.c: Likewise.
9201 * function.h: Likewise.
9203 * gcov-io.h: Likewise.
9207 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9209 * sh-protos.h: New file.
9211 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
9212 Add static prototypes. Fix compile time warnings.
9214 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
9218 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9220 * arc-protos.h: New file.
9222 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
9225 * arc.h: Move prototypes to arc-protos.h. Fix compile time
9230 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9232 * dsp16xx-protos.h: New file.
9234 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
9237 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
9240 * dsp16xx.md: Likewise.
9242 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9244 * convex-protos.h: New file.
9246 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
9249 * convex.h: Move prototypes to convex-protos.h. Fix compile time
9252 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9254 * elxsi-protos.h: New file.
9256 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
9259 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
9262 * elxsi.md: Likewise.
9264 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9266 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
9267 case for moving from HI/LO/HI_LO_REG. This makes the behavior
9268 match the comment for MIPS16.
9270 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
9272 * flow.c (split_edge): Do not call set_block_for_insn if we
9273 do not have a basic_block_for_insn structure.
9275 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
9276 and destination functions are 32bit aligned within the trampoline.
9277 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
9278 (TRAMPOLINE_ALIGNMENT): Define.
9280 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9281 (set (pc) (label_ref)), verify the change creates a valid insn.
9283 * fr30.c (call_operand): Tighten and rework to match rules for
9284 call RTL expressions.
9285 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9286 * fr30.md (call patterns): Improve constraints.
9288 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9290 * fr30.c (fr30_expand_epilogue): Revert last change.
9291 Use emit_jump_insn for the return insn.
9293 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9294 Stan Cox <scox@cygnus.com>
9296 * predict.c: New file. Preliminary infrastructure work for static
9297 branch prediction and basic block reordering.
9298 * basic-block.h: Add prototype for estimate_probability.
9299 * Makefile.in: Add rules for predict.o.
9301 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9303 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9304 * fixinc/*: Likewise.
9306 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9308 * cccp.c: PROTO -> PARAMS.
9310 * collect2.c: Likewise.
9311 * combine.c: Likewise.
9312 * convert.h: Likewise.
9314 * dbxout.c: Likewise.
9315 * dbxout.h: Likewise.
9316 * diagnostic.c: Likewise.
9317 * doprint.c: Likewise.
9318 * dwarf2out.c: Likewise.
9319 * dwarf2out.h: Likewise.
9320 * dwarfout.c: Likewise.
9321 * dwarfout.h: Likewise.
9322 * dyn-string.h: Likewise.
9324 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9326 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9327 macro conditionals guarding use.
9329 * dwarf2out.c: Include "tm_p.h".
9331 * function.c (locate_and_pad_parm): Mark parameter with
9333 (expand_function_end): Likewise for variable `context'.
9335 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9337 2000-01-13 Nick Clifton <nickc@cygnus.com>
9339 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9340 register to prevent compile time warnings.
9342 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9344 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9345 to avoid -Wtraditional warning.
9347 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9349 * 1750a-protos.h: New file.
9351 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9354 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9357 * 1750a.md: Likewise.
9359 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9361 * a29k-protos.h: New file.
9363 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9366 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9369 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9371 * clipper-protos.h: New file.
9373 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9376 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9379 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9381 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9383 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9385 * configure.in (--enable-new-gxx-abi): New option.
9386 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9387 * Makefile.in (GXX_ABI_FLAG): New variable.
9388 * configure: Regenerate.
9390 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9392 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9393 * tm.texi (FORCE_STRUCT_BLK): Document.
9394 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9396 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9398 * config/ns32k/ns32k.md: Revert Jan 9 change.
9400 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9401 to a mode-test, if the predicate is address_operand.
9403 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9405 * combine.c (if_then_else_cond): Be careful about what kinds
9406 of RTL expressions are passed to operand_subword.
9408 * flow.c (split_edge): If we have to insert a new jump, make
9409 sure to associate it with a basic block.
9411 * flow.c (commit_one_edge_insertion): A block with one successor
9412 can end in a JUMP_INSN that is not a simplejump.
9414 2000-01-12 Robert Lipe <robertl@sco.com>
9416 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9417 (BUILD_VA_LIST_TYPE): Define.
9418 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9421 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9423 * cccp.c (do_pragma): Add cast to (char *).
9425 2000-01-12 Richard Henderson <rth@cygnus.com>
9426 Fred Fish <fnf@be.com>
9427 Jason Merrill <jason@cygnus.com>
9429 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9430 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9431 * i386/beos-elf.h, i386/beos-pe.h: New files.
9433 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9434 * cross-make (SYSTEM_HEADER_DIR): Define using
9435 CROSS_SYSTEM_HEADER_DIR.
9437 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9438 (process_command): Use it.
9439 (main): Likewise. Kill trailing = from env vars.
9440 (build_search_list): Put it back.
9441 * collect2.c (main): Use LIBRARY_PATH_ENV.
9443 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9444 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9446 * tm.texi (Frame Layout): Document SMALL_STACK.
9447 * c-common.c (c_common_nodes_and_builtins): Check it.
9449 * system.h: Undef alloca after including glibc's <stdlib.h>,
9450 if USE_C_ALLOCA is defined.
9452 * gcc.c (set_input): New fn.
9453 (main): After all input files are compiled, reset the input file
9456 * aclocal.m4 (rindex, index): If already defined, don't attempt
9459 * ginclude/varargs.h: (__va_list__): Define ifndef.
9460 * ginclude/stdarg.h: Likewise.
9462 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9463 instead of unsigned char.
9465 * hash.h (true, false, boolean): Undef before enum.
9467 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9468 proper type of "HOST_WIDE_INT *", rather than their natural type of
9469 "unsigned HOST_WIDE_INT *".
9471 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9473 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9475 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9477 * regclass.c (choose_hard_reg_mode): Likewise.
9479 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9481 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9483 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9485 * c-common.c: PROTO -> PARAMS.
9486 * c-common.h: Likewise.
9487 * c-decl.c: Likewise.
9488 * c-iterate.c: Likewise.
9489 * c-lang.c: Likewise.
9490 * c-lex.c: Likewise.
9491 * c-lex.h: Likewise.
9492 * c-parse.in: Likewise.
9493 * c-pragma.c: Likewise.
9494 * c-pragma.h: Likewise.
9495 * c-tree.h: Likewise.
9496 * c-typeck.c: Likewise.
9497 * objc/objc-act.c: Likewise.
9498 * objc/objc-act.h: Likewise.
9500 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9502 * m88k-protos.h: New file.
9504 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9507 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9509 * m88k.md: Likewise.
9511 * tekXD88.h: Likewise.
9513 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9515 * m68k-protos.h: New file.
9517 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9520 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9522 * mot3300.h: Likewise.
9524 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9526 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9528 (extract_bitlist): Declare bitlen.
9530 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9532 * cccp.c: Accept and ignore -lang-fortran.
9534 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9535 qualifiers don't match at any level of pointerness.
9537 2000-01-12 Robert Lipe <robertl@sco.com>
9539 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9541 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9543 * reload1.c (reload_reg_unavailable): New static variable.
9544 (reload_reg_free_p): Test it.
9545 (reload_reg_free_for_value_p): Test it instead of
9547 (choose_reload_regs_init): Compute it.
9549 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9551 * reorg.c (fill_slots_from_thread): Check modified_in_p
9554 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9556 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9557 these nodes even if INTERNALS is not set.
9559 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9561 * gcse.c (delete_null_pointer_checks_1): Cope when
9562 get_condition cannot determine the condition.
9564 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9566 * toplev.h (set_message_length): Declare.
9568 * diagnostic.c (obstack_chunk_alloc): Define macro.
9569 (obstack_chunk_free): Likewise.
9570 (struct output_buffer): New data structure.
9572 (output_maximum_width): New variable.
9573 (doing_line_wrapping, set_message_length, init_output_buffer,
9574 get_output_prefix, output_space_left, emit_output_prefix,
9575 output_newline, output_append, output_puts, dump_output,
9576 vbuild_message_string, build_message_string, build_location_prefix,
9577 voutput_notice, output_printf, line_wrapper_printf,
9578 vline_wrapper_message_with_location): New functions. Implement
9579 automatic line wrapping.
9580 (v_message_with_decl): Make it handle automatic line wrapping.
9581 (v_error_with_file_and_line): Likewise.
9582 (v_warning_with_file_and_line): Likewise.
9583 (announce_function): Likewise.
9584 (default_print_error_function): Likewise.
9586 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9588 * cpplib.h (struct cpp_options): Change lang_asm to char.
9590 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9591 done in cpp_handle_option now.
9592 (initialize_builtins): Take out special case code used only by
9594 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9595 if -traditional. Recognize -lang-fortran and set
9596 lang_fortran, also turn off cplusplus_comments.
9597 (print_help): Document -lang-fortran.
9598 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9599 lang_asm. Ignore all directives other than `# 123 "file"' if
9601 (cpp_get_token): If -traditional, don't recognize directives
9602 unless the # is in column 1.
9603 (parse_string): If lang_fortran or lang_asm, silently
9604 terminate strings ('' or "") at end of line.
9605 Remove unnecessary braces.
9607 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9608 Richard Henderson <rth@cygnus.com>
9610 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9612 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9613 strict_low_part when possible.
9615 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9617 * alias.c: PROTO -> PARAMS.
9618 * basic-block.h: Likewise.
9619 * bitmap.c: Likewise.
9620 * bitmap.h: Likewise.
9621 * builtins.c: Likewise.
9622 * c-aux-info.c: Likewise.
9623 * caller-save.c: Likewise.
9624 * calls.c: Likewise.
9626 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9628 * Makefile.in (toplev.o): Depend on regs.h.
9630 * output.h (tdesc_section): Prototype.
9632 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9634 * sdbout.c: Include "tm_p.h".
9636 * toplev.c: Include "regs.h".
9638 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9640 * unroll.c (unroll_loop): Add EH support.
9642 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9644 * pa-protos.h: New file.
9646 * pa.c: Include recog.h and tm_p.h.
9647 (compute_zdepwi_operands, compute_movstrsi_length,
9648 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9649 find_addr_reg, import_milli): Add static prototypes.
9650 (pa_cpu_string, pa_arch_string): Constify a char*.
9651 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9652 (read_only_operand): Add argument `mode'.
9653 (singlemove_string, output_move_double, output_fp_move_double,
9654 output_block_move, output_and, output_ior, output_ascii,
9655 remove_useless_addtr_insns, milli_names, output_mul_insn,
9656 output_div_insn, output_mod_insn, output_arg_descriptor,
9657 output_cbranch, output_bb, output_bvb, output_dbra, ,
9658 output_millicode_call, output_call, hppa_encode_label,
9659 output_parallel_movb, output_parallel_addb): Constify a char*.
9660 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9661 (output_parallel_addb): Remove extra arg to `constrain_operands'
9663 * pa.h: Move all prototypes to pa-protos.h.
9664 (pa_cpu_string, pa_arch_string): Constify a char*.
9665 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9667 * pa.md: Call `function_label_operand' with mode argument.
9668 Likewise for `read_only_operand'.
9669 Fix nesting of parens in call to `symbolic_operand'.
9671 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9673 * i860-protos.h: New file.
9675 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9678 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9680 * i860.md: Likewise.
9682 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9684 * i386.md (movstrsi expander): Rewrite.
9685 (movstrsi_1 insn): Deleted.
9686 (strmovhi, strmovqi expander): New expanders.
9687 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9688 * i386.c (x86_single_stringop): New global variable.
9689 * i386.h (x86_single_stringop): Declare.
9690 (TARGET_SINGLE_STRINGOP): New macro.
9692 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9694 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9695 integer vararg POSTINCREMENT before the destination of the jump
9696 for the hard fp case.
9697 (function_arg_pass_by_reference): Pass a copy of CUM to
9700 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9701 for CONSTANT_ADDRESS_P above while loop for subreg.
9703 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9705 * flow.c (propagate_block): When a prologue/epilogue insn
9706 is marked dead, unconditionally clear libcall_is_dead and
9707 insn_is_dead, and only dump rtl if warnings aren't being
9710 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9712 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9713 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9714 (FIXED_REGISTERS): Set dirflag as fixed.
9715 (CALL_USED_REGISTERS): Set dirflag as used.
9716 (REG_ALLOC_ORDER): Set dirflag as last one.
9717 (DIRFLAG_REG): New macro.
9718 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9719 (HI_REGISTER_NAMES): Add dirflag.
9720 (DEBUF_PRINT_REG): Handle dirflag.
9721 * i386.md (type attribute): New cld and str types.
9722 (length_opcode attribute): Set cld and str to 1.
9723 (memory attribute): Set str to unknown - it is not clear from the
9725 (pent_np function unit): Prefixed string operations takes 12 cycles
9726 minimally; cld takes 2 cycles.
9727 (ppro_uops attribute): Str is "many" and cld is "few".
9728 (ppro_p0 unit): Handle cld here.
9729 (k6_alux unit): Handle cld and str types.
9730 (k6_load unit): It is ocupied by str opcodes.
9731 (k6_store unit): It is ocupied by str opcodes.
9732 (athlon_decode): Str is vector decoded.
9733 (athlon_ieu): Handle str and cld.
9735 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9736 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9737 cmpstrsi_nz_1 insn): Do not output cld instruction
9739 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9741 * gcc.texi (G++ and GCC): Add Java and Chill.
9742 (Bug Critera): Don't list languages.
9744 * gcc.texi (Incompatibilities): No longer claim most C compilers
9747 * gcc.texi (G++ and GCC): Update other front-ends list.
9749 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9751 * i386.c (ix86_expand_setcc): Fix typo.
9752 (ix86_expand_movcc): Similarly.
9754 * Band-aid until haifa's bitset implementation is nuked.
9755 * haifa-sched.c (extract_bitlst): New parameter for size of the
9756 bitset in bits. All callers changed. Avoid looking at undefined
9758 (edgeset_bitsize): New variable.
9759 (schedule_region): Initialize edgeset_bitsize.
9761 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9763 * Makefile.in (optabs.o): Depend on real.h
9764 (resource.o): Depend on insn-attr.h
9766 * builtins.c (result_vector): Wrap prototype in macro conditions
9767 governing definition and use.
9769 * c-common.c: Include tm_p.h.
9771 * c-lex.c: Likewise.
9773 * elfos.h: Constify a char*.
9775 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9776 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9777 parameter with ATTRIBUTE_UNUSED.
9779 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9782 * haifa-sched.c (schedule_insns): Mark parameter with
9785 * optabs.c: Include real.h.
9787 * real.h (ereal_atof): Add prototype arguments.
9789 * resource.c: Include insn-attr.h.
9791 * sdbout.c (sdbout_queue_anonymous_type,
9792 sdbout_dequeue_anonymous_types): Wrap in macro
9793 SDB_ALLOW_FORWARD_REFERENCES.
9794 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9797 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9799 * stupid.c: Include tm_p.h.
9801 * tree.c (real_value_from_int_cst): Mark parameter with
9804 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9806 * i960-protos.h: New file.
9808 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9811 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9813 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9815 * combine.c (expand_field_assignment): Do not discard SUBREGs
9816 while computing nonzero_bits.
9818 2000-01-09 Nick Clifton <nickc@cygnus.com>
9820 * config/arm/arm.c: Fix compile time warnings about signed vs
9822 * config/arm/arm.h: Fix compile time warnings about signed vs
9825 2000-01-09 Philip Blundell <philb@gnu.org>
9827 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9828 than `ldm' with only one register.
9829 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9832 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9835 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9837 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9840 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9842 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9843 assignment used as truth value.
9845 * function.c (assign_temp): Mark parameter `dont_promote' with
9846 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9847 PROMOTE_FOR_CALL_ONLY.
9849 * genrecog.c (write_subroutine): Mark variable `operands' with
9852 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
9855 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
9856 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
9858 * toplev.c (note_deferral_of_defined_inline_function): Likewise
9861 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9863 * config/c4x.h: Tidy up comments.
9864 * config/c4x.c: Likewise.
9866 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
9868 * fold-const.c (lshift_double, rshift_double): Handle
9869 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
9871 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9873 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
9874 in prepare_function_start().
9876 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
9878 * config/v850/v850.c (expand_epilogue): Interrupt functions no
9879 longer allocate extra stack for function calls.
9881 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9883 * config/c4x/c4x.md (*subqf3_set): Fix typo.
9885 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9887 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
9889 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9891 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9892 * aix43.h: Revert Aug 2 change.
9893 (HAS_INIT_SECTION): Define, not visible yet.
9894 (LD_INIT_SWITCH): Define, not visible yet.
9895 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9897 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
9899 * collect2.c (main): Expand ld2 size further.
9900 (export_object_lst): Cast assignment to avoid warning.
9901 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
9902 (scan_prog_file, COFF): Do not collect initialization or
9903 finalization functions generated for entire shared object if
9904 init/fini support present.
9906 2000-01-07 Nick Clifton <nickc@cygnus.com>
9908 * config/elfos.h: Tidy up formatting of marcos. Make sure
9909 that .section directives are always prefixed by a tab.
9911 * config/svr4.h: Add #include "elfos.h" and remove duplicate
9914 2000-01-07 Matt Austern <austern@sgi.com>
9916 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
9919 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
9921 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
9923 (crtbegin.o, s-crtS): Likewise.
9925 2000-01-06 Richard Henderson <rth@cygnus.com>
9927 * alpha.md (adddi_2+1): Limit offset such that it will be
9928 loadable with a single ldah+lda pair.
9929 (adddi_2+2): Explicitly fail split if we can't make it work.
9931 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
9933 * protoize.c: Conditionally include unistd.h.
9934 (IS_SAME_PATH_CHAR): New macro.
9935 (IS_SAME_PATH): New macro.
9936 (CPLUS_FILE_SUFFIX): New macro.
9937 (cplus_suffix): New static variable.
9938 (is_abspath): New static function.
9939 (in_system_include_dir): Handle DOS style pathnames.
9940 (file_could_be_converted): Likewise.
9941 (file_normally_convertible): Likewise.
9942 (directory_specified_p): Likewise.
9943 (file_excluded_p): Likewise.
9944 (abspath): Likewise.
9945 (shortpath): Likewise.
9946 (referenced_file_is_newer): Likewise.
9947 (save_def_or_dec): Likewise.
9948 (do_processing): Likewise.
9950 (edit_file): Likewise. Use rename instead of link.
9951 (rename_c_file): Likewise. Don't rename syscalls file.
9952 (munge_compile_params): Define null device for DOS based systems.
9953 (process_aux_info_file): Use binary mode if appliable.
9954 (edit_file): Likewise.
9955 * invoke.texi (Running Protoize): Document C++ suffixes used.
9957 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
9958 IS_DIR_SEPARATOR macros.
9959 * collect2.c: Likewise.
9960 * cppinit.c: Likewise.
9961 * dwarf2out.c: Likewise.
9964 * prefix.c: Likewise.
9966 * toplev.c: Likewise.
9967 * system.h: And move to here.
9969 * prefix.c (update_path): Fix typo in variable name.
9971 2000-01-06 Richard Henderson <rth@cygnus.com>
9973 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
9974 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
9975 (count_reg_sets_1, count_reg_references): Likewise.
9976 (flow_loops_level_compute): Start counting actual loop depth at 1.
9977 (flow_loops_find): Likewise.
9978 * local-alloc.c (update_equiv_regs): Likewise.
9979 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
9981 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9983 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
9984 FIRST_PSEUDO_REGISTER
9985 * dwarf2out.c: Don't include frame.h
9986 * dwarfout.c: Likewise
9987 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
9990 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
9992 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9995 * i386.c (movsf splitter): Fix typo in my last checkin.
9997 2000-01-05 Nick Clifton <nickc@cygnus.com>
9999 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
10000 own definition of this macro.
10001 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
10002 flag_data_sections or UNIQUE_SECTION_P are true.
10004 * tm.texi (UNIQUE_SECTION): Document that it can be called for
10005 unitialised data decls.
10007 * config/i386/winnt.c (i386_pe_unique_section): Cope with
10008 being called for uninitialised data.
10010 * config/i386/interix.c (i386_pe_unique_section): Cope with
10011 being called for uninitialised data.
10013 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
10014 for uninitialised data.
10016 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
10017 for uninitialised data.
10019 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
10020 for uninitialised data.
10022 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
10023 (UNIQUE_SECTION_P): Always generate a unique section if
10024 flag_data_sections is true.
10025 (UNIQUE_SECTION): Also generate unique sections for
10026 uninitialised data.
10027 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
10028 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
10031 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10033 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
10036 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10038 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
10039 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
10040 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
10041 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
10042 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
10044 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
10046 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10048 * c-decl.c (finish_enum): Simplify code to determine minimum and
10049 maximum values of the enum, and calculate the type. Remove check
10050 for FUNCTION_DECLs in the values list, which cannot happen. Replace
10051 the DECL_INITIAL of each enumeration constant with a copy converted
10052 to the enumeration type. When updating variant types, don't bother
10053 updating the type itself.
10055 * c-typeck.c (build_binary_op): Simplify conditional expressions
10056 when weeding out spurious signed-unsigned warnings. Add new
10057 spurious warning category: if the unsigned quantity is an enum
10058 and its maximum value fits in signed_type(result_type). Update
10060 (build_conditional_expr): Warn here if one alternative is signed
10061 and the other is unsigned.
10063 2000-01-05 Nick Clifton <nickc@cygnus.com>
10065 * config/fr30/fr30.h: Remove extraneous comments.
10067 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
10069 * reload1.c (choose_reload_regs): When disabling a reload, also
10070 set reload_spill_index to -1.
10072 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10074 * configure.in (m68*-*-rtemscoff*): New target, formal name for
10076 (m68*-*-rtemself*): New target.
10077 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
10078 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
10079 (sparc*-*-rtemself*): New target.
10080 (sparc*-*-rtems*): Now elf not a.out.
10081 * config/i386/rtems.h: Include config/rtems.h.
10082 * config/i386/rtemself.h: Include config/rtems.h.
10083 * config/i960/rtems.h: Include config/rtems.h.
10084 * config/m68k/rtems.h: Include config/rtems.h.
10085 * config/m68k/rtemself.h: Include config/rtems.h.
10086 * config/mips/rtems64.h: Include config/rtems.h.
10087 * config/pa/rtems.h: Include config/rtems.h.
10088 * config/rs6000/rtems.h: Include config/rtems.h.
10089 * config/sh/rtems.h: Include config/rtems.h.
10090 * config/sh/rtemself.h: Include config/rtems.h.
10091 * config/sparc/rtems.h: Include config/rtems.h.
10092 * config/sparc/rtemself.h: Include config/rtems.h
10094 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
10096 * final.c (shorten_branches): Correctly compute length of
10097 asms without operands.
10099 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
10101 * configure.in: Add pj target.
10102 * configure: Regenerate.
10103 * config/pj: New directory.
10104 * config/pj/lib1funcs.S: New file.
10105 * config/pj/linux.h: New file.
10106 * config/pj/pj.c: New file.
10107 * config/pj/pj.md: New file.
10108 * config/pj/pjl.h: New file.
10109 * config/pj/t-pj: New file.
10110 * config/pj/xm-pj.h: New file
10112 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
10114 * toplev.c (rest_of_compilation): Run shorten-branches before
10117 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10119 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
10120 macros so that they're consistent with their names.
10121 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
10122 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
10124 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10126 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
10127 modified inadvertently.
10129 2000-01-04 Joel Sherrill <joel@OARcorp.com>
10131 * configure.in (v850*-*-rtems*): New target.
10132 * configure: Regenerate.
10133 * config/v850/rtems.h: New file.
10135 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
10137 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
10138 (__gthread_key_create): Likewise.
10139 (__gthread_key_dtor): Likewise.
10140 (__gthread_once): Fix logic.
10141 (__gthread_key_delete): Cast away constness.
10143 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
10144 * invoke.texi: Document.
10145 * i386/mingw32.h (CPP_SPEC): Use.
10146 (LIBGCC_SPEC): Likewise.
10147 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
10149 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10151 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
10152 (HANDLE_PRAGMA_PACK): Undefine.
10153 (SLOW_UNALIGNED_ACCESS): Define.
10155 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10157 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10158 to default definition.
10159 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
10160 (store_fixed_bit_field): Call macro with word_mode and alignment.
10161 (extract_bit_field): Call macro with relevant mode and alignment.
10162 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10163 to default definition.
10164 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
10166 (move_by_pieces_ninsns): Likewise.
10167 (clear_by_pieces): Likewise.
10168 (emit_push_insn): Likewise.
10169 (store_field): Call macro with relevant mode and alignment.
10170 (expand_expr): Likewise.
10171 (expand_expr_unaligned): Likewise.
10173 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10174 (SLOW_UNALIGNED_ACCESS): Define.
10175 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10176 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10177 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10178 (toc_section): Likewise and .toc pseudo-op.
10179 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10181 (TEXT_SECTION_ASM_OP): Likewise.
10182 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10185 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
10186 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
10187 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
10188 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
10189 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
10191 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
10193 * regclass.c: Revert my Jan 4 change to loop cost computation.
10195 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10197 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
10200 2000-01-04 Stan Cox <scox@cygnus.com>
10202 * haifa-sched.c (build_control_flow): Change unreachable simple
10203 loop test to check if current block has only one predecessor.
10204 (find_rgns): Initialize degree. Use dest as degree index, not src.
10206 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10208 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
10210 * calls.c (expand_call): Likewise for
10211 `old_stack_arg_under_construction'.
10213 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
10215 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
10218 * gcc.c (execute): Likewise for `ut' and `st'.
10220 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
10222 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
10224 * jump.c (jump_optimize_1): Likewise for `temp2'.
10226 * local-alloc.c (block_alloc): Likewise for `r1'.
10228 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
10230 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
10231 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
10233 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
10236 * reload.c (find_reloads): Likewise for `goal_alternative_number'
10237 and `goal_earlyclobber'.
10239 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
10241 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
10243 * stupid.c (stupid_life_analysis): Likewise for `chain'.
10245 * unroll.c (copy_loop_body): Likewise for `copy'.
10247 * varasm.c (output_constructor): Likewise for `byte'.
10249 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10251 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
10252 all FP constants for constant->reg moves.
10253 (ix86_split_to_parts): Try to convert memory address into immediate
10254 when available in the constant pool.
10255 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
10257 (LEGITIMATE_CONSTANT_P): Return 1.
10258 * i386.md (pushsf): New splitter to convert constant pool memory
10259 reference to immediate.
10260 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
10263 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
10265 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
10266 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
10267 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
10268 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
10269 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
10271 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
10273 * ginclude/stdbool.h: Support compilation as C++.
10275 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10277 * fold-const.c (make_range): Don't try to reverse an unbounded range.
10279 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10281 * regclass.c (regclass): Properly compute loop_cost. Adjust
10284 * regclass.c: Fix minor whitespace problems.
10286 2000-01-03 Anthony Green <green@cygnus.com>
10288 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10289 Restore the pic register if required.
10291 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10293 * c-common.c (format_char_info): Update comment.
10294 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10295 was recognized. Emit warning for formats new in ISO C99 only
10296 if flag_isoc9x is not set.
10298 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10300 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10302 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10304 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10305 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10306 (make_compound_operation): Choose cheaper alternative between
10307 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10309 * regclass.c (op_costs): Remove global variable.
10310 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10311 (record_operand_costs): Break out from ...
10312 (scan_one_insn): ... here.
10313 (dump_regclass): Make dumps nicer.
10314 (regclass): Dump preferrences choosed and changes done during passes.
10316 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10318 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10320 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10322 * config/sparc/sparc.c (gen_df_reg): New function.
10323 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10324 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10325 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10326 movtf_cc_reg_sp64+1): Use it.
10328 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10330 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10331 copied LABEL_DECLs.
10333 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10335 * config/i386/i386.c (ix86_expand_unary_operator): Function
10336 definition made void.
10337 (ix86_expand_binary_operator): Update outdated preceding comment.
10338 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10341 * config/i386/i386.c (override_options): Fix option-name typo.
10343 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10345 * system.h (CEIL): Define.
10346 * builtins.c (CEIL): Remove.
10347 * expmed.c (CEIL): Likewise.
10348 * expr.c (CEIL): Likewise.
10349 * stor-layout.c (CEIL): Likewise.
10351 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10353 * expr.c (store_constructor_field): Fix typo introduced with last
10356 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10358 * tree.h (BINFO_N_BASETYPES): New macro.
10360 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10362 * expmed.c (emit_store_flag): Prevent losing a pending stack
10363 adjust the same way we prevent losing queued increments.
10365 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10367 * function.c (update_temp_slot_address): Handle case where sum of
10368 temporary address plus offset in register is a valid address.
10370 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10372 * genrecog.c (change_state) Corrected typo.
10374 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10376 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10377 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10378 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10380 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10382 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10383 case, expand GT comparisons correctly. Fix a comment before this
10386 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10388 * dwarfout.c: Include "frame.h"
10389 * dwarf2out.c: Likewise.
10390 * Makefile.in (dwarfout.o): Depend on frame.h
10391 (dwarf2out.o): Likewise.
10393 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10395 Restore i386 binary compatibility in Dwarf EH info.
10396 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10397 value of FIRST_PSEUDO_REGISTER.
10398 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10399 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10400 * dwarfout.c (output_reg_number): Ditto.
10401 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10402 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10404 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10406 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10407 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10408 (<hack>_RE_CT): not needed
10409 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10410 rewritten to scan the file text once only
10411 "template<..." test added
10412 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10413 (is_cxx_header): declaration added
10414 * fixinc/fixtests.c(is_cxx_header): removed
10415 (apply_fix_p_t): removed
10416 (double_slash_test): is_cxx_header is only called once now
10417 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10418 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10419 within the templates.
10420 The borken spelling of "broken" was fixed.
10421 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10422 The default level depends on FIXINC_DEBUG.
10424 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10426 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10427 Otherwise provide a declaration for atexit.
10428 (init_dummy): Make sure dummy call to atexit is nevertheless
10429 called with correct number of args.
10431 * frame.c: Update comments referring to other files.
10433 * libgcc2.c: Likewise.
10435 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10437 * cse.c (free_element, get_element): Remove unused prototypes.
10439 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10442 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10445 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10447 * configure.in,configure: case arm for mn10200-*-* now sets
10448 float_format=i32 so that float.h will correctly claim "double"
10449 to be 32 bits. Ran autoconf to generate configure from .in file.
10451 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10453 * pa.md (conditional zero): If op1 is a register, force it into
10454 the same register as op0.
10456 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10458 * tree.h (BINFO_BASETYPES): Improve documentation.
10460 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10462 * configure.in (--enable-checking): Use a more portable `for'
10465 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10467 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10468 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10470 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10473 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10474 Delete descriptions.
10476 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10477 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10478 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10479 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10480 xm-svr4.h: Remove all instances of sys_siglist handling.
10482 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10484 * config/sparc/sparc.md (cmp_zero_qi,
10485 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10486 cmp_zero_extendqidi2_andcc_set): New patterns.
10488 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10490 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10491 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10492 (fpgnulib.c, xfgnulib.c): Add rules.
10493 * m68k/t-mot3300-gas: Likewise.
10495 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10497 * configure.in: Avoid [[ by using test and changequote. Add
10498 changequote required by 1999-12-14 change.
10499 * configure: Rebuild.
10501 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10503 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10505 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10507 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10508 * flow.c (find_use_as_address): Likewise.
10509 * function.c (fixup_var_refs_1): Likewise.
10510 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10511 * jump.c (invert_exp, redirect_exp): Likewise.
10512 * loop.c (replace_call_address): Likewise.
10513 (count_nonfixed_reads): Likewise.
10514 * rtlanal.c (modified_between_p): Likewise.
10515 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10516 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10517 * unroll.c (remap_split_bivs): Likewise.
10519 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10521 * diagnostic.c (v_message_with_decl): Use .* format specifier
10522 instead of building the format specifier width manually.
10524 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10525 determining whether to provide a prototype. Remove the
10526 sys_siglist clause in the conditional.
10528 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10530 * fold-const.c (operand_equal_p): Use memcmp to compare string
10532 Suggested by D. J. Bernstein
10534 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10536 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10537 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10539 * config/mips/mips.h (TARGET_64BIT): Likewise.
10540 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10541 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10542 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10543 dsps. Give routines proper names if SI/DI modes are not used.
10544 * longlong.h: Use DWunion instead of DIunion.
10546 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10548 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10549 GC_CHECKING, GC_ALWAYS_COLLECT.
10550 * configure.in: Allow --enable-checking with an argument
10551 listing check modes to enable.
10552 * config.in, configure: Rebuilt.
10553 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10554 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10555 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10556 ENABLE_GC_ALWAYS_COLLECT.
10557 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10559 * tree.h, tree.c: Change ENABLE_CHECKING to
10560 ENABLE_TREE_CHECKING throughout.
10562 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10564 * fold-const.c (fold_truthop): Properly check for FP RHS.
10566 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10568 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10569 * toplev.c (note_deferral_of_defined_inline_function): New
10570 function, split out from ...
10571 (rest_of_compilation): ... here. Use it.
10573 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10575 * expr.c (store_constructor): Don't call clear_storage if size is
10578 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10580 * Makefile.in (toplev.o): Depend on loop.h.
10582 * dwarfout.c: Include tm_p.h.
10584 * emit-rtl.c (restore_emit_status): Mark parameter with
10587 * final.c (final_scan_insn): Likewise.
10589 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10590 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10591 flow_depth_first_order_compute, flow_loop_pre_header_find,
10592 flow_loop_tree_node_add, flow_loops_tree_build,
10593 flow_loop_level_compute, flow_loops_level_compute,
10594 flow_loop_outside_edge_p): Add prototypes.
10595 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10597 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10598 Mark with ATTRIBUTE_NORETURN.
10600 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10602 * local-alloc.c (no_conflict_p): Likewise.
10604 * loop.c (insert_bct): Hide definitions of variables with hidden
10606 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10608 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10609 with ATTRIBUTE_UNUSED.
10610 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10611 (reg_scan): Likewise.
10613 * reload.c (find_reloads): Remove unused variables `changed'.
10615 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10617 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10618 Remove unused variable `insn'.
10620 * toplev.c: Include loop.h.
10621 (report_file_and_line): Remove unnecessary prototype.
10623 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10625 * unroll.c (biv_total_increment): Likewise.
10627 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10629 * reload1.c (emit_input_reload_insns): Restore old behaviour
10630 wrt. 'special' reloads.
10632 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10634 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10635 hash.h. (cse.c): Don't depend on hashtab.h.
10637 * cse.c: Don't include hashtab.h.
10638 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10640 * ggc-simple.c: Don't include hash.h.
10642 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10644 * dwarf2out.c (add_abstract_origin_attribute): Call
10645 gen_abstract_function on our function context.
10647 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10649 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10651 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10653 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10656 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10658 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10659 constraints to "a!r".
10661 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10663 * Makefile.in (calls.o): Depend on function.h.
10664 (alias.o): Likewise.
10666 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10668 * reload1.c (emit_reload_insns): Break out code and variables into...
10669 (input_reload_insns, other_input_address_reload_insns,
10670 other_input_reload_insns, input_address_reload_insns,
10671 inpaddr_address_reload_insns, output_reload_insns,
10672 output_address_reload_insns, outaddr_address_reload_insns,
10673 operand_reload_insns, other_operand_reload_insns,
10674 other_output_reload_insns): ... new static variables, and...
10675 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10676 do_output_reload): ... new functions.
10678 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10680 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10682 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10684 * md.texi: Add c4x constraints documentation.
10686 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10688 * config/i386/dgux.c (struct option): Rename to
10689 lang_independent_option.
10690 (struct m_options): Add description field.
10691 (output_options): Rename option type, add sep declaration, output
10692 ix86_cpu_string and ix86_arch_string only if set.
10693 (output_file_start): Rename option type.
10695 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10697 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10699 (libgcc2.a): Similarly.
10701 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10703 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10704 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10705 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10707 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10709 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10710 Remove redundant initialization of "frexpon" and "expon".
10712 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10714 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10716 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10717 (store_constructor_field, expand_expr): Pass new arg.
10719 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10721 * Makefile.in (explow.o): Depend on function.h.
10723 * stor-layout.c (set_sizetype): Fix typo.
10725 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10727 * function.c (cfun): Renamed from current_function. All users
10729 * function.h (cfun): Rename declaration as well.
10731 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10732 to be of type regset_head, not regset. All users changed by adding
10734 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10736 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10738 * config/c4x/rtems.h: New file.
10740 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10742 * reload1.c (spill_failure): Take class of failed reload as argument
10743 and print it. Caller changed.
10745 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10747 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10748 (TARGET_SWITCHES): Allow subtargets to default switches.
10749 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10751 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10753 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10756 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10758 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10759 * cppinit.c (cpp_handle_option): Likewise.
10761 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10762 determine when to define.
10764 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10766 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10767 cmove with mismatched test and data modes.
10769 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10771 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10774 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10776 * alias.c: Minor reformatting.
10777 * flow.c: Likewise.
10778 * regs.h: Likewise.
10779 * stor-layout.c: Likewise.
10780 * fold-const.c: Likewise.
10781 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10782 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10784 (size_int_wide): Cache nodes even if garbage collecting.
10785 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10786 of SAVE_EXPR has no side effects.
10787 * cse.c: Move a comment.
10788 * tree.c: Minor reformatting.
10789 (int_size_in_bytes): Return -1 if constant overflows.
10791 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10793 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10795 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10797 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10798 after any change to c-parse.in, even if objc-parse.y didn't
10801 1999-12-18 David S. Miller <davem@redhat.com>
10803 * toplev.c (rest_of_compilation): Restore BLOCK tree
10804 reconstruction and branch shortening changes lost in
10805 December 18th change.
10807 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10809 * config/arm/linux-elf.h: Change all instances of
10810 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10811 * config/arm/uclinux-elf.h: Likewise.
10813 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10815 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10816 v_message_with_decl, file_and_line_for_asm,
10817 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10818 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10819 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10820 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10821 pfatal_with_name, fatal_io_error, need_error_newline,
10822 last_error_function, last_error_tick, announce_function,
10823 default_print_error_function, print_error_function,
10824 report_error_function, fnotice, error_with_file_and_line,
10825 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10826 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10827 warning_with_decl, warning_for_asm, warning, pedwarn,
10828 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10830 (compile_file): Use fnotice instead of notice. Adjust call.
10832 * diagnostic.c: New file.
10834 * Makefile.in (OBJS): Include diagnostic.o
10835 (diagnostic.o): Define dependence.
10837 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10839 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10842 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10844 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10846 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10848 * fixtests.c (is_cxx_header): New fn, split out of
10850 (else_endif_label): Allow "#endif // comment" in C++ headers,
10851 as determined by is_cxx_header.
10852 * fixfixes.c (else_endif_label_fix): Update comment.
10853 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
10855 * genfixes: Correct double thinko in commandline parsing.
10856 * hackshell.tpl: Generate correct sh syntax for bypass
10859 * inclhack.def (all): Whenever an inserted preprocessor
10860 conditional is split over multiple lines, use double
10861 backslashes in this file so the fixed header will be readable.
10863 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
10864 and add bypass entry for correct version of this header.
10865 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
10866 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
10868 (hpux8_bogus_inlines): New fix, split from...
10869 (ultrix_atof_param) ... here.
10870 (math_expression): Add bypass entry keyed to glibc comment
10871 indicating the problem has been dealt with; disable
10872 unnecessary sed operations; update commentary.
10873 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
10874 add select and bypass entries, simplify shell operation.
10875 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
10877 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
10878 ultrix_atof_param): Add select entry.
10879 (stdio_va_list, sunos_mather_decl): Add bypass entry.
10880 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
10881 comments with the fixes they describe.
10883 * c-parse.in (string action): Do not warn about ANSI string
10884 concatenation in system headers. Affects C parser only.
10885 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
10887 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10889 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
10890 compiling libgcc2 the macro depends always on arch cpp defines.
10892 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
10894 * loop.c (insert_loop_mem): Don't record MEMs from inside
10897 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
10899 * regclass.c (regclass): Do not use flowgraph when not optimizing.
10901 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
10902 notes too, create one when replacement failed, attempt to simplify
10904 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
10905 or REG_EQUIV notes.
10907 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10909 * crtstuff.c (__dso_handle): Declare.
10910 (__cxa_finalize): Likewise.
10911 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
10914 * invoke.texi: Document -fuse-cxa-atexit.
10916 * tree.h (ptr_type_node): Document.
10917 (const_ptr_type_node): Likewise.
10919 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10921 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
10922 (optimize_reg_copy_2): Likewise.
10923 (optimize_reg_copy_3): Likewise.
10924 (fixup_match_2): Likewise.
10925 (regmove_optimize): Likewise.
10926 (fixup_match_1): Liekwise.
10928 * i386.md (HI to SImode promoting splitters): Rewrite.
10929 (pushsf mem peep2): New.
10930 (testhi to andhi peep2): Remove.
10931 * i386.h (x86_promote_QImode): New.
10932 (TARGET_PROMOTE_QImode): New.
10933 (PREDICATE_CODES): Add promotable_binary_operator.
10934 * i386.c (x86_promote_QImode0: New.
10935 (promotable_binary_operator): New.
10936 * i386-protos.h (promotable_binary_operator): New.
10938 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
10940 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
10942 1999-12-16 Mark Mitchell <mark@codesourcery.com>
10944 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
10945 * function.c (insert_block_after_note): Remove.
10946 (retrofit_block): Likewise.
10947 (identify_blocks): Fix indentation.
10948 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
10949 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
10950 * function.h (insert_block_after_note): Remove prototype.
10951 (retrofit_block): Likewise.
10952 * integrate.c (expand_inline_function): Don't call
10953 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
10954 just expand_start_bindings. Use the block_map to remap old
10955 NOTE_BLOCKs to new ones.
10956 (integrate_decl_tree): Keep track of remapped blocks.
10957 * integrate.h (struct inline_remap): Add block_map.
10958 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
10959 NOTE_BLOCK on the notes.
10960 (expand_start_bindings): Rename to ...
10961 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
10962 (expand_end_bindings): Set NOTE_BLOCK.
10963 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
10964 reconstruct the BLOCK tree.
10965 * tree.h (expand_start_bindings): Macroize. Call ...
10966 (expand_start_bindings_and_block): New function.
10968 1999-12-16 Jakub Jelinek <jakub@redhat.com>
10970 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
10971 to match the format.
10973 1999-12-16 David S. Miller <davem@redhat.com>
10975 * expr.c (emit_move_insn_1): Only emit clobbers if one of
10976 the outputs is a SUBREG.
10977 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
10980 * config/sparc/sparc.c (epilogue_renumber): Add default case
10983 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10985 * toplev.c (rest_of_compilation): Run branch shortening after
10988 * regclass.c (loop_depth): Remove
10989 (scan_one_insn): Do not handle LOOP_NOTE insns.
10990 (regclass): Go through basic blocks and set loop_cost
10992 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
10994 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
10996 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10998 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
10999 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
11000 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
11002 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
11004 * loop.c (insert_loop_mem): Ignore memory clobbers.
11006 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
11009 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
11011 * profile.c: Remove redundant #include "output.h".
11013 * h8300.md (HImode preinc peephole): Fix typo.
11015 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11017 * function.c (retrofit_block): Abort if we don't find a suitable insn.
11018 (insert_block_after_note): Abort if we don't have a previous block.
11019 Remove FN parameter.
11020 * function.h: Adjust.
11022 1999-12-15 Mark Mitchell <mark@codesourcery.com>
11024 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
11025 argument more than once.
11027 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11029 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
11031 1999-12-15 Jakub Jelinek <jakub@redhat.com>
11033 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
11035 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11037 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
11038 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
11039 update stack_alignment_needed.
11040 (prepare_function_start): Initialize stack_alignment_needed
11041 * function.h (struct function): Add field stack_alignment_needed.
11043 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11045 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
11046 Handle live_throughout / dead_or_set instead of live_before /
11048 (save_call_clobbered_regs): Get register livenessinformation from
11049 chain->live_throughout.
11050 (add_stored_regs): New function.
11051 (insert_restore, insert_save): Add restored / saved registers to
11053 * global.c (reg_dies): New parameter chain.
11054 (reg_becomes_live): Third parameter is regs_set now.
11055 Changed all callers.
11056 (reg_dies): New parameter chain. Changed all callers.
11057 (build_insn_chain): Set live_throughout instead of
11058 live_before / live_after.
11059 * reload.h (struct insn_chain): Replace members live_before /
11060 live_after with live_throughout / dead_or_set.
11061 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
11062 instead of live_before / live_after.
11063 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
11064 (order_regs_for_reload, find_reg, finish_spills): Likewise.
11065 (choose_reload_regs_init): Likewise.
11066 * stupid.c (current_chain, find_clobbered_regs): Delete.
11067 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
11068 instead of chain->live_before / chain->live_after.
11069 (mark_hard_ref): New function.
11070 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
11072 1999-12-15 David S. Miller <davem@redhat.com>
11074 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
11076 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11078 * flow.c (calculate_loop_depth): Make global, remove prototype,
11079 rewrite to use new loop infrastructure.
11080 (find_basic_block): Remove calculate_loop_depth call.
11081 * toplev.c (rest_of_compilation): Call find_basic_block.
11082 * output.h (calculate_loop_depth): Declare.
11084 * flow.c (dump_flow_info): Dump loop_depth.
11085 (flow_loops_nodes_find): Increase loop_depth for basic block in the
11087 (flow_loops_find): Initialize the loop_depth for each basic block.
11089 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11091 * tree.c (decl_function_context): Handle virtual functions.
11093 * tlink.c (scan_linker_output): Don't look in demangled name when
11094 looking for linker output keywords.
11096 * dwarfout.c (output_type): We can defer namespace-scope classes.
11098 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
11100 * regclass.c (record_reg_classes): Update comment for merging
11101 register class preferences in reg->reg copies. Tighten conditions
11102 for merging register class preferences in reg->reg copies.
11104 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
11106 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
11108 1999-12-14 Geoff Keating <geoffk@cygnus.com>
11110 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
11111 (INIT_SECTION_ASM_OP): Delete.
11112 (FINI_SECTION_ASM_OP): Delete.
11113 (STARTFILE_SPEC): Define to hold just crtbegin.o.
11115 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
11117 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
11118 the abstract origin wasn't emitted.
11120 * dwarf2out.c (class_scope_p): New fn.
11121 (gen_subprogram_die): Use it.
11122 (gen_variable_die): Use it. Tweak logic.
11123 (gen_struct_or_union_type_die): Check context_die to determine
11124 if we're function-local.
11125 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
11127 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11129 * loop.c (check_dbra_loop): Can't reverse a biv that has
11130 maybe_multiple set.
11132 1999-12-14 Nick Clifton <nickc@cygnus.com>
11134 * config/arm/arm.c: Add support for -mcpu=arm720 command line
11137 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11139 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
11140 for givs made from biv increments.
11142 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
11144 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
11145 * alpha.c (override_options): Recognize -mcpu=ev67.
11146 * alpha.h (CPP_CPU_EV67_SPEC): New.
11147 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
11148 (EXTRA_SPECS): Update.
11150 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
11152 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
11153 appropriate for -lang-c89 and -std=*.
11154 * cppinit.c (cpp_handle_option): Likewise.
11155 (new_pending_define): New, split out from cpp_handle_option.
11156 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
11157 or enable trigraphs for -ansi/-std=*.
11159 * ginclude/stdarg.h (__va_copy): New.
11160 (va_copy): Don't define for C89.
11162 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
11164 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
11165 for long long multiply-accumulate.
11167 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11169 * regclass.c (scan_one_insn): Set loop_cost to 1 when
11170 optimizing for size.
11172 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11174 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
11175 if something changed. Back out that part of yesterday's changes.
11177 * loop.c (loop_max_reg): New static variable.
11178 (loop_optimize): Initialize it. Eliminate one unnecessary call to
11180 (scan_loop): Call reg_scan_update whenever we may have added new
11181 registers, and update loop_max_reg.
11183 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11185 * regclass.c (record_reg_classes): Do not do the copying preferrencing
11186 when source does not die.
11188 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
11190 1999-12-14 Jakub Jelinek <jakub@redhat.com>
11192 * config/sparc/linux64.h (TARGET_LIVE_G0,
11193 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
11195 * config/sparc/linux.h (TARGET_LIVE_G0,
11196 TARGET_BROKEN_SAVERESTORE): Likewise.
11197 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11198 TARGET_BROKEN_SAVERESTORE): Likewise.
11200 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
11201 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
11203 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
11204 as sparc64 block profiling register.
11205 * config/sparc/sparc.c (sparc_override_options): Allow block
11206 profiling with -m32.
11207 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
11208 profiling register.
11209 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
11210 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
11211 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
11213 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
11215 * config/sparc/sparc.h: Likewise.
11216 * config/sparc/xm-sysv4-64.h: Likewise.
11217 * config/float-sparc.h: Likewise.
11218 * glimits.h: Likewise.
11219 * longlong.h: Likewise.
11221 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
11222 (ASM_IDENTIFY_GCC): Remove.
11224 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11226 * combine.c (combine_simplify_rtx): Don't make shared rtl.
11227 (simplify_logical): Likewise.
11229 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11231 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
11232 * cppfiles.c (INO_T_EQ): Likewise.
11234 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11236 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
11237 * i386/mingw32.h (LIB_SPEC): Likewise.
11238 (STARTFILE_SPEC): Likewise.
11239 * i386/uwin.h (LIB_SPEC): Likewise.
11240 (STARTFILE_SPEC): Likewise.
11242 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
11243 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
11245 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
11247 * combine.c (combine_simplify_rtx): Fix order of checks for
11248 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
11250 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
11252 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
11253 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
11255 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11257 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
11259 * regclass.c (inv_reg_alloc_order): New array.
11260 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
11262 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
11263 counted_for_groups, counted_for_nongroups. Add fields rld and
11265 * reload.c (push_secondary_reload): Don't set nongroup field of
11267 (push_reload): Likewise.
11268 (find_reloads): Delete code to compute nongroup fields.
11269 * reload1.c (reload_insn_firstobj): New static variable.
11270 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
11272 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
11273 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
11274 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
11276 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
11278 (struct hard_reg_n_uses): Deleted.
11279 (potential_reload_regs): Deleted.
11280 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11281 (reload): Don't try to allocate reload registers if we already know
11282 we have to make another pass. Call select_reload_regs. Free memory
11283 starting with reload_firstobj when starting another pass.
11284 Don't allocate spilled_pseudos.
11285 (calculate_needs_all_insns): Call copy_reloads for an insn that
11286 needs reloads; don't call calculate_needs.
11287 (spill_cost): New static array.
11288 (used_spill_regs_local): New static variable.
11289 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11290 to compute potential_reload_regs.
11291 (find_reload_regs): Completely rewritten to use find_reg.
11292 (allocate_reload_reg): Don't test counted_for_groups or
11293 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11294 all cllers changed.
11295 (choose_reload_regs): Add fallback code that uses the existing
11296 register allocation from find_reload_regs.
11298 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11300 * flow.c (create_edge_list): Cast xmalloc return value.
11302 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11304 * doprnt.c: Remove incorrect comment closure.
11306 * cse.c: Fix a few minor whitespace goofs.
11308 1999-12-13 Don Bowman <don@pixstream.com>
11310 * mips/vxworks.h: Fix problem with comment termination.
11311 (EXTRA_SECTIONS): Add in_sbss.
11312 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11314 1999-12-12 David S. Miller <davem@redhat.com>
11316 * cse.c (struct cse_reg_info): Add hash_next member,
11317 reorder rest of struct for better packing on 64-bit
11319 (cse_reg_info_tree): Kill.
11320 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11321 REGHASH_FN): New custom pow2 hash mechanism.
11323 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11324 use a pow2 hash table.
11325 (get_cse_reg_info): Rework to use new REGHASH.
11326 (new_basic_block): Likewise, use HASH_SIZE, and inline
11328 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11329 and inline free_element call.
11330 (lookup_as_function, insert, flush_hash_table, invalidate,
11331 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11332 invalidate_for_call, use_related_value, find_comparison_args,
11333 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11334 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11335 get_element): Kill.
11337 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11339 * cse.c (cse_basic_block): Free qty_table consistently.
11341 1999-12-12 David S. Miller <davem@redhat.com>
11342 Jakub Jelinek <jakub@redhat.com>
11344 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11345 SUBREGs by hand, gen the appropriate hard reg directly.
11346 (movtf reg/mem split): Likewise and alter_subreg on destination
11348 (movtf mem/reg split): Similarly.
11349 (movdf_cc_sp64): Rename from hidden pattern.
11350 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11351 (movtf_cc_sp64, following split): New pattern and splitter.
11352 (movdf_cc_reg_sp64): Rename from hidden pattern.
11353 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11355 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11357 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11359 * loop.c (load_mems): Don't hoist written floating point mem
11362 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11364 * except.h (struct eh_queue): Add `next' pointer.
11365 (struct eh_status): Make x_ehqueue a pointer.
11366 (push_ehqueue): Declare.
11367 (pop_ehqueue): Likewise.
11368 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11370 (expand_fixup_region_end): Likewise.
11371 (expand_leftover_cleanups): Likewise.
11372 (push_ehqueue): Define.
11373 (pop_ehqueue): Likewise.
11374 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11375 than doing it inline.
11376 (expand_start_all_catch): Adjust now that ehqueue is a
11378 (mark_eh_queue): Mark all level of the queue.
11379 (mark_eh_status): Adjust now that ehqueue is a
11381 (init_eh_for_function): Allocate ehqueue.
11382 (free_eh_status): Free it.
11383 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11384 expansion for a fixup.
11386 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11388 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11390 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11391 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11392 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11393 function_ptr, getpagesize, __enable_execute_stack,
11394 __enable_execute_stack, __clear_insn_cache,
11395 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11396 _cleanup, _exit, __default_terminate, __terminate_func,
11397 __terminate, __empty, __throw, new_eh_context,
11398 eh_context_initialize, eh_context_static, eh_context_specific,
11399 get_eh_context, __get_eh_context, __get_eh_info,
11400 init_reg_size_table, eh_threads_initialize,
11401 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11402 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11403 __pure_virtual): Add prototype arguments.
11404 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11405 Cast a signed value to unsigned long when comparing against one.
11406 (new_eh_context): Wrap in _GTHREADS macro.
11407 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11409 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11410 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11412 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11414 * combine.c (record_promoted_value): Remove unused variable
11417 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11419 * global.c (record_conflicts): Likewise for `j'.
11421 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11424 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11426 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11427 output_fp_compare): Constify a char*.
11429 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11431 (override_options, ix86_comp_type_attributes, print_operand,
11432 output_387_binary_op, output_fix_trunc, output_fp_compare):
11434 (ix86_sched_reorder): Mark parameter `clock_var' with
11437 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11439 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11441 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11442 operand, for use in the Java front-end.
11444 1999-12-10 Ben Collins <bcollins@debian.org>
11446 * configure.in: Fix typo for "-64" in 64bit as check.
11447 * configure: Rebuilt.
11449 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11451 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11454 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11456 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11457 concatenation is utilized.
11459 * invoke.texi (-Wtraditional): Document it.
11461 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11463 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11464 Cast a ptrdiff_t to long and pass it to printf with %ld.
11466 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11468 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11469 68881, we have no 68881 registers at all.
11470 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11471 value in a 68881 register if it is available.
11473 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11475 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11476 for long long multiply-accumulate.
11478 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11480 * loop.c (insert_loop_mem): Undo last change.
11482 1999-12-10 David S. Miller <davem@redhat.com>
11484 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11486 * config/sparc/sparc-protos.h: Add them.
11487 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11488 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11489 constraints which use those helpers.
11490 (EXTRA_CONSTRAINT): Use this new macro.
11491 * md.texi: Update sparc target constraints documentation.
11492 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11493 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11494 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11495 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11496 (movsf high/lo_sum split): Rework for new patterns.
11497 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11499 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11501 * c-common.c (c_common_nodes_and_builtins):
11502 Create __builtin_ptrdiff_t and __builtin_size_t.
11504 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11506 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11508 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11510 * regclass.c (globalize_reg): Re-instate test that allows
11511 fixed registers to be declared as a variable even after functions
11514 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11516 * i386.md (cpu attribute): Add "athlon".
11517 (athlon_decode): New attribute.
11518 (Athlon scheduling units definitions): New.
11519 (fcmp and shld patterns): Set athlon_decode to "vector".
11520 * i386.c (athlon_cost): New.
11522 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11523 x86_use_sahf): Set for Athlon.
11524 (x86_use_fiop): Unset for Athlon.
11525 (override_options): Define Athlon alignments and "athlon" name.
11526 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11527 * i386.h (TARGET_ATHLON): New.
11528 (enum processor_type): Add PROCESSOR_ATHLON.
11529 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11531 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11533 1999-12-09 Andreas Jaeger <aj@suse.de>
11535 * loop.c (record_biv): Declare parameter as int.
11537 * config/i386/i386-protos.h: Declare long_memory_operand.
11539 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11541 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11542 EXPR_WITH_FILE_LOCATION.
11544 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11546 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11549 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11551 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11554 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11556 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11557 default on linux64 again.
11558 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11559 models for multilibing.
11560 * genmultilib: Accept | as alternative separator within a set in
11563 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11565 * calls.c (precompute_arguments): Make sure initial_value contains
11566 value pseudo which CSE expects.
11567 * cse.c (struct set): New entry orig_src.
11568 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11571 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11573 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11575 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11577 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11579 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11581 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11582 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11584 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11587 * longlong.h: Merge in changes from glibc.
11588 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11589 -mno-app-regs libgcc can be compiled.
11590 * libgcc2.c: Add defines so that the updated longlong.h
11591 can be used in libgcc2.a. Also, make sure on most architectures
11592 (at least on all which have optimized code in longlong.h defined
11593 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11595 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11597 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11598 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11599 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11601 * configure: Rebuilt.
11603 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11605 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11606 outputs require a register.
11608 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11610 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11611 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11612 functions like dptoul will be resolved.
11613 (libgcc2.a): Make sure that the object files from DPBIT are named
11614 differently (prefix `_dp') from those that would be coming from
11617 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11619 * configure.in: When target is sparc* and tm_file contains 64,
11620 test for 64bit support in assembler. If not supported, remove
11621 sparc/t-sol2-64 from target-dependent Makefile fragments.
11622 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11623 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11624 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11625 * acconfig.h (AS_SPARC64_FLAG): Added.
11626 * configure, config.in: Rebuilt.
11627 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11628 support. Use AS_SPARC64_FLAG.
11630 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11632 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11633 suitable for holding OFmode values so that gcc works with complex
11635 (hard_64bit_mode_classes): Likewise.
11637 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11638 so that it is actually matched.
11639 (sethi_di_medlow): Likewise.
11641 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11642 as legitimate constant if -mvis.
11643 * config/sparc/sparc.md (movtf): Likewise.
11644 (clear_sf): Use const_double_operand.
11645 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11647 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11648 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11649 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11650 routines, _Qp_* cannot be handled like that now.
11651 (INIT_TARGET_OPTABS): Likewise.
11652 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11653 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11654 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11655 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11656 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11657 divtf3, sqrttf3): New expanders.
11658 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11659 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11660 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11663 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11664 * configure: Rebuilt.
11665 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11666 -mcpu is given and we're doing 64bit compiles.
11668 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11670 * loop.h (struct induction): Add multi_insn_incr.
11671 * loop.c (basic_induction_var): New multi_insn_incr argument.
11672 Set it if we search back through previous insns for the biv.
11673 (record_biv): New multi_insn_incr argument; fill in struct induction.
11674 (strength_reduce): Discard an iv with multiple bivs, any of
11675 which require multiple insns to increment.
11677 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11679 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11682 1999-12-06 David S. Miller <davem@redhat.com>
11684 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11685 PROMOTE_FUNCTION_RETURN.
11687 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11689 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11690 and handle REG_UNUSED note on insn.
11692 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11693 inner_mask instead of mask.
11695 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11697 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11698 zero if there was an error.
11700 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11702 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11705 * longlong.h: Fix clobbers in SPARC asm statements.
11707 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11708 valid sethi operations when TARGET_ARCH64.
11710 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11711 always use move_by_pieces to avoid infinite recursion.
11712 (restore_fixed_argument_area): Likewise.
11714 * combine.c (check_promoted_subreg, record_promoted_value): New
11716 (combine_instructions): Use them to retain nonzero and sign bit
11717 information after SUBREGs are eliminated by optimizations in
11718 this pass if PROMOTE_FUNCTION_RETURN.
11720 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11721 .register declaration. Don't use variables with __ prefixes.
11723 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11725 * fold-const.c (optimize_bit_field_compare): Only use one mode
11726 for both RHS and LHS in non-constant case.
11728 1999-12-06 Nathan Sidwell <nathan@acm.org>
11730 * frame.c (start_fde_sort): Only allocate erratic array, if
11731 linear one was allocated. Return allocated flag.
11732 (fde_insert): Only insert, if there's a valid array.
11733 (fde_end_sort): Split, sort and merge if linear and erratic
11734 arrays exist, else just sort linear one.
11735 (search_fdes): New function. Linear search through original fde
11737 (frame_init): Permit multiple initializations. Cope with
11739 (find_fde): Fallback on linear search, if failed to sort array.
11740 (__deregister_frame_info): Only free sorted array, if we
11743 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11745 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11747 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11749 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11751 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11753 * tree.h (special_function_p): Declare.
11754 * calls.c (special_function_p): Make it global. Don't take `name'
11755 as a parameter. Fix typo in 1999-11-28 change.
11756 (expand_cal): Adjust.
11758 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11760 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11761 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11762 EXPR_WFL_FILENAME_NODE.
11763 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11765 * print-tree.c (print_note): Print TREE_PRIVATE and
11768 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11769 the original die cannot be found.
11771 * varray.h (varray_head_tag): Add elements_used.
11772 (VARRAY_PUSH): New macro.
11773 (VARRAY_POP): Likewise.
11774 (VARRAY_TOP): Likewise.
11775 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11777 * varray.c (varray_init): Initialize elements_used.
11778 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11779 (INTEGRATE_H): New variable.
11780 (integrate.o): Depend on INTEGRATE_H.
11781 (unroll.o): Likewise.
11783 * function.h (insert_block_after_note): Declare.
11784 * function.c (insert_block_after_note): Split out from ...
11785 (retrofit_block): ... here.
11787 * stmt.c (expand_fixup): Fix typo in comment.
11789 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11791 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11792 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11793 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11794 (regmove_optimize, fixup_match_1): Likewise.
11796 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11798 * flow.c (flow_loops_dump): Add missing argument when calling
11799 flow_loop_nested_p.
11801 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11802 Greg McGary <gkm@gnu.org>
11804 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11805 (init_attributes): Add A_NO_LIMIT_STACK.
11806 (decl_attributes): Handle A_NO_LIMIT_STACK.
11807 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11808 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11809 Handle stack bounds checking.
11810 * flags.h (flag_stack_check): Use the word 'probe' rather than
11811 'check', because the flag doesn't actually cause any checking to
11813 * function.c (expand_function_start): Set
11814 current_function_limit_stack.
11815 * function.h (struct function): Add limit_stack.
11816 (current_function_limit_stack): Define.
11817 * invoke.texi (Code Gen Options): Document new options.
11818 * rtl.h: Declare stack_limit_rtx.
11819 * toplev.c (stack_limit_rtx): New variable.
11820 (decode_f_option): Handle new options -fstack-limit-register=REG,
11821 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11822 (main): Add stack_limit_rtx as GC root.
11823 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11824 (struct tree_decl): New member no_limit_stack.
11826 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11828 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11829 (conditional_trap+1): Get new mnemonic correct.
11830 (conditional_trap+2): New pattern for DImode traps.
11832 * config/m68k/m68k.c (output_function_prologue): Handle
11834 * config/m68k/m68k.md (trap): New insn.
11835 (conditional_trap): New insn.
11836 * md.texi (Standard Names): Document `trap' and
11837 `conditional_trap'.
11838 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11839 so a cc0 setter doesn't get emitted at some random place in the
11842 * config/i960/i960.md (trap): New insn.
11843 (conditional_trap): New expander.
11844 (conditional_trap+1, conditional_trap+2): New insns for signed
11845 and unsigned cases.
11846 * config/i960/i960.c (i960_function_prologue): Use
11847 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11849 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11850 Geoffrey Keating <geoffk@cygnus.com>
11852 * flags.h (warn_padded, warn_packed): Add global var decls.
11853 * toplev.c (warn_padded, warn_packed): Add global var defns.
11854 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
11855 * stor-layout.c (layout_record): Add local variable `type'
11856 to hold often-used TREE_TYPE (field). Add local variable
11857 `unpacked_align' to hold alignment that would be in force
11858 if no `packed' attribute were present. Warn if `packed' attribute
11859 is unnecessary, or even harmful. Warn when gcc inserts padding
11860 to satisfy alignment requirements of members. Use NULL_TREE
11861 when checking whether var_size is set.
11862 * invoke.texi: Document new flags.
11864 1999-12-03 Nathan Sidwell <nathan@acm.org>
11866 * frame.c (fde_split): Reimplement to avoid variable sized array.
11868 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11870 * combine.c (try_combine): Before fixing up LOG_LINKS for the
11871 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
11873 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
11875 * invoke.texi: Document the mips option -mno-crt0
11877 1999-12-02 Mike Karr <mkarr@mathworks.com>
11879 * cccp.c (argdata): Added free_ptr member.
11880 (macroexpand): Initialize free_ptr of each argument. When an
11881 argument's buffers are freed, if the argument's free_ptr corresponds
11882 to a buffer on the input stack, then return the free_ptr to that stack
11883 frame, otherwise, free it.
11884 (macarg): If an argument begins and ends on the same input stack level,
11885 then transfer the free_ptr of that buffer to the argument in case
11886 the stack is popped during the processing of a subsequent argument.
11888 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
11890 * loop.c (note_reg_stored): New function.
11891 (struct note_reg_stored_arg): New structure.
11892 (try_copy_prop): Change to be more conservative; only replace within
11893 one extended basic block and stop replacing if a store to the
11894 replacement reg is seen.
11896 1999-12-02 Nick Clifton <nickc@cygnus.com>
11898 * config/fp-bit.c: Initialise all fields of the NAN
11901 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
11904 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
11906 * i386.md (extend?f?f2): Force the input into a register, not
11909 1999-12-01 Jakub Jelinek <jakub@redhat.com>
11911 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
11913 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
11914 alternative because setting up 64bit constant is usually costly,
11915 especially when reload is in progress or completed.
11916 (movdf_const_intreg_sp64): Likewise.
11917 (movdf_const_intreg split): Fix building up constants when
11918 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
11920 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
11922 * combine.c (if_then_else_cond): Use const_true_rtx instead of
11923 const1_rtx for return values in EQ/NE comparison against (const_int 0)
11926 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
11927 (asm_file_start): Emit .am33 into assembly file when compiling for
11929 (print_operand_address): Handle POST_INC addresses.
11930 (can_use_return_insn, initial_offset): Check AM33 registers too.
11931 (expand_prologue): Check & save AM33 registers too.
11932 (expand_epilogue): Similarly.
11933 (secondary_reload_class): Handle AM33 specific secondary reloads.
11934 (output_tst): Emit efficient code for the AM33 too.
11935 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
11936 (TARGET_SWITCHES): Add -mam33 switch.
11937 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
11938 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
11939 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
11940 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
11941 (enum reg_class, REG_CLASS_NAMES): Likewise.
11942 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
11943 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
11944 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
11945 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
11946 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
11947 (HAVE_POST_INCREMENT): Define.
11948 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
11949 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
11950 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
11951 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
11952 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
11953 (zero_extend to SI from QI/HI): Likewise.
11954 (sign_extend to SI from QI/HI): Likewise.
11955 (mulsidi3, umulsidi3): New patterns for the AM33.
11956 (tstsi with zero extension from QI/HI): Add AM33 variants.
11957 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
11958 (return_internal_regs, store_movm): Handle new AM33 registers.
11959 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
11960 (LIBGCC, INSTALL_LIBGCC): Likewise.
11961 * invoke.texi: Document new flags.
11963 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11965 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
11966 (addsi3_carry): Likewise.
11967 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
11968 (sbbsi3_carry): Likewise.
11969 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
11970 (mulhi3): Likewise.
11971 (test?i_1): Ensure that only one operand is memory.
11972 (conditional move patterns): likewise.
11973 (shift and rotate patterns): Rewrite to expander, add
11974 "binary_operator_ok" to the condition.
11976 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
11977 * i386.h (procesor_costs): Add movzbl_load field.
11978 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
11979 non-Q registers, accept DImode registers anywhere.
11981 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
11982 * i386.c (*_cost): Set value for movxbl_load field.
11984 * (addsi): New add to lea splitter.
11985 (ashlsi): Likewise.
11986 (lea to add/shift peep2): New.
11988 1999-12-01 Mark Salter <msalter@cygnus.com>
11990 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
11991 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
11992 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
11994 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11996 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
11997 * i386.md (movsi_xor): New.
11999 (movsi_1, movhi_1, movqi_1): Remove.
12000 (movsi_2): Rename to movsi_1.
12001 (movhi_2): Rename to movhi_1.
12002 (movqi_2): Rename to movqi_1.
12003 (movdi_1): Remove; remove splitter.
12004 (movdi_2): Rename to movdi_1.
12005 (divmodsi4 splitter): Do not emit clobbers for move patterns.
12006 (long move peep2): Do not create QI or HI mode mov0s
12007 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
12009 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
12012 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
12013 (abs?f2_if): Likewise.
12015 1999-11-30 Alex Samuel <samuel@codesourcery.com>
12017 * ggc.h (ggc_test_and_set_mark): New macro.
12018 (ggc_mark_rtx): Use ggc_test_and_set_mark.
12019 (ggc_mark_tree): Likewise.
12020 (ggc_mark_rtvec): Likewise.
12021 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
12023 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
12025 * dwarf2out.c (scope_die_for): Only handle types. Only search for
12027 (decl_scope_table): Just an array of trees now.
12028 (push_decl_scope): Simplify.
12029 (dwarf2out_init): Adjust.
12030 (local_scope_p): New fn.
12031 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
12032 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
12033 (gen_typedef_die): Likewise.
12034 (gen_lexical_block_die): Don't call push/pop_decl_scope.
12035 (gen_inlined_subroutine_die): Likewise.
12036 (gen_abstract_function): Set current_function_decl temporarily.
12037 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
12038 Handle block extern declarations. Don't call push/pop_decl_scope.
12039 (gen_decl_die): Fix logic for block externs.
12041 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12043 * calls.c (special_function_p): Remove `realloc' and add `strdup'
12044 to the list of functions which have attribute malloc by default.
12046 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12048 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
12049 integer constant does not match the traditional type, limit the
12050 warnings to cases where the base of the type is ten.
12052 * invoke.texi (-Wtraditional): Document it.
12054 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12056 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
12057 * rs6000.md: Only access a CONST_INT with INTVAL
12059 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
12061 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
12062 (compute_nearerout): Likewise.
12063 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
12064 size_t to unsigned long for formatting.
12066 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12068 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
12069 Allow the user to override call-used/fixed state of %g2-5
12070 registers from the command line (with the exception of %g4 for
12072 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
12073 there is a higher chance of having a leaf function.
12074 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
12075 for ARCH64 which has %ccr register.
12076 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
12078 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
12079 insn accept into delay slot any insn which does not use %[ol]
12080 registers. Accept some LO_SUM and shift left by 1 for the normal
12082 (output_function_epilogue): Likewise.
12083 (epilogue_renumber): Added argument which inhibits any renumbering
12084 and just tests if the rtx does not use any %[ol] registers.
12085 (output_return): Reflect above change.
12087 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12089 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
12090 aggregate passing for sizes <= 16 bytes.
12092 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
12094 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
12095 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
12096 * reload.c (find_dummy_reload): Likewise.
12097 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
12098 * reload1.c (reload_as_needed): Likewise.
12099 * stupid.c (stupid_find_reg): Likewise.
12100 * tm.texi (Obsolete Register Macros): Delete section.
12101 * gmicro.h: Remove all traces of the two macros.
12102 * i386.h: Likewise.
12103 * m88k.h: Likewise.
12104 * mips.h: Likewise.
12106 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
12108 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
12109 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
12110 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
12111 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
12112 units for the sparclite86x chip.
12113 (flush): Revert October 14th change; add SImode specifically.
12114 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
12115 * invoke.texi: Document it.
12117 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
12119 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
12120 psimode_truncation_operand.
12122 * config/mn10200/mn10200.c (psimode_truncation_operand): New
12123 function. Return true if the operand is either a MEM valid
12124 for a PSImode address or not a MEM at all.
12126 * config/mn10200/mn10200.md (truncsipsi2): Use
12127 psimode_truncation_operand.
12129 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12131 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
12132 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
12133 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
12134 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
12135 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
12136 (flow_loop_level_compute, low_loops_level_compute): Likewise.
12137 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
12138 * basic-block.h: Protect from multiple inclusion.
12139 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
12140 (struct loops, struct loop): Define structures.
12141 * sbitmap.c (sbitmap_a_subset_b_p): New function.
12142 * sbitmap.h: Protect from multiple inclusion.
12143 (sbitmap_a_subset_b_p): Add prototype.
12144 * Makefile.in (LOOP_H): New macro.
12145 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
12147 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
12149 * cppinit.c (CAT): The argument list of this macro may not contain
12152 1999-11-29 David S. Miller <davem@redhat.com>
12154 Move quantity tables and register equivalence chains into
12155 per-qty and per-register structure arrays respectively.
12156 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
12157 qty_const_insn, qty_comparison_code, qty_comparison_const,
12158 qty_comparison_qty): Delete, replace with...
12159 (qty_table): this structure table.
12160 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
12161 (reg_eqv_table): this structure table.
12162 (make_new_qty): Add argument MODE. Caller updated.
12163 Update to use qty_table and reg_eqv_table.
12164 (make_regs_eqv, delete_reg_equiv, insert_regs,
12165 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
12166 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
12167 cse_process_notes, cse_main, cse_basic_block): Likewise.
12169 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12171 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
12172 operation if C is negative.
12173 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
12174 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
12175 law for some divisions if constant is negative and change other
12176 divisions to the opposite rounding.
12178 * expr.c (store_constructor_field): If bit position is not multiple
12179 of alignment of TARGET's mode, use BLKmode.
12181 * expr.c (expand_expr_unaligned): Add more code from full case
12182 that is needed when OP0 is in a register.
12184 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12186 * dwarfout.c (field_byte_offset): Size can be zero if there was
12189 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12191 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
12192 (associate_trees): Delete unused var TEM.
12193 (extract_muldiv): Delete unused var CANCEL_P.
12195 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
12196 (target_isinf, target_isnan, target_negative): Add return types to
12197 function definitions.
12199 1999-11-29 Bruce Korb <autogen@linuxbox.com>
12201 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
12202 * fixinc/hackshell.tpl: ditto
12203 * fixinc/fixtests.c(double_slash_test): more C++ header testing
12204 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
12206 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12208 * reload.c (push_reload): When looking for a register to put into
12209 reg_rtx, make sure all hard regs in a multi-reg register are in the
12210 right class and nonfixed.
12212 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
12213 pending_read_insns, pending_write_insns, pending_read_mems,
12214 pending_write_mems, pending_list_length, last_pending_memory_flush,
12215 last_function_call, sched_before_next_call): Move static variables
12217 (bb_ prefixed versions): Replace with single array bb_deps.
12218 (struct deps): New structure.
12219 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
12220 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
12221 argument of type "struct deps *"; use that instead of global
12222 variables. All callers changed.
12223 (init_rgn_data_dependencies): Delete function.
12224 (init_rtx_vector): Delete function.
12225 (init_deps): New function.
12227 (free_pending_lists): Simplify, we always use the bb_deps array even
12228 if only one basic block.
12229 (compute_block_backward_dependences): Likewise.
12230 (schedule_region): Likewise.
12232 (propagate_deps): New function, broken out of
12233 compute_block_backward_dependences.
12234 (compute_block_backward_dependences): Use it.
12236 * alpha.md: Delete useless patterns that tried to work around
12237 register elimination problems.
12239 * unroll.c (loop_iterations): Don't abort if iteration variable
12242 From Joern Rennecke:
12243 * reload1.c (reloads_conflict): Reverse test comparing operand
12244 numbers when testing for conflict between output/outaddr reloads.
12246 1999-11-29 David S. Miller <davem@redhat.com>
12248 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
12250 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
12252 1999-11-28 Robert Lipe <robertl@cygnus.com>
12254 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
12255 table from .fini into .dtor.
12257 1999-11-28 Anthony Green <green@cygnus.com>
12259 * tree.h (struct tree_decl): Add malloc_flag.
12260 (DECL_IS_MALLOC): Define.
12261 * c-common.c (attrs): Add A_MALLOC attribute.
12262 (init_attributes): Add this attribute to the table.
12263 (decl_attributes): Handle malloc attribute.
12264 * calls.c (special_function_p): Check for the malloc attribute.
12265 * extend.texi (Function Attributes): Document malloc attribute.
12267 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
12269 * pa.md (reload shift-add patterns): Remove.
12271 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12273 * reorg.c (dbr_schedule) Print more statistics. Corrected
12274 problem when printing info when 3 delay slots are filled.
12276 1999-11-28 Jakub Jelinek <jakub@redhat.com>
12278 * combine.c (setup_incoming_promotions): Pass an outgoing
12279 regno to FUNCTION_ARG_REGNO_P which it expects.
12281 1999-11-28 Andreas Jaeger <aj@suse.de>
12283 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12285 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12287 * cccp.c (do_include): Avoid initialization of automatic variable.
12289 * integrate.c (mark_stores): Function definition made void, to match
12290 previous declaration.
12291 * regclass.c (dump_regclass): Ditto.
12292 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12294 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12296 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12297 known to be multiple of divisor.
12299 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12301 * combine.c (try_combine): Add code to try to merge a set of a
12302 two-word pseudo to a constant with a setting of one of those words
12305 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12306 (split_tree): Completely rework to make more general.
12307 (make_range, fold): Call negate_expr.
12308 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12309 (fold, associate): Call new split_tree and associate_trees.
12310 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12312 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12314 * loop.c (try_copy_prop): Avoid GNU C extension.
12316 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12318 * except.c (init_eh_for_function): Still zero eh_return_context,
12319 eh_return_stack_adjust, and eh_return_handler.
12321 * except.h (eh_status): Adjust documentation for x_protect_list.
12322 (begin_protect_partials): New function.
12323 * except.c (enqueue_eh_entry): Fix formatting.
12324 (get_first_handler): Add consistency check.
12325 (add_partial_entry): Adjust usage of protect_list.
12326 (emit_cleanup_handler): Save and restore ehqueue.
12327 (expand_start_all_catch): Add comment.
12328 (begin_protect_partials): New function.
12329 (end_protect_partials): Adjust usage of protect_list.
12330 (init_eh_for_function): Use xcalloc.
12332 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12334 * c-common.c (check_format_info): Don't call a variadic function
12335 with a non-literal format string.
12337 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12339 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12340 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12343 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12346 * collect2.c (collect_wait): Likewise.
12348 * dbxout.c (dbxout_type): Likewise.
12350 * gcc.c (do_spec_1): Likewise.
12352 * genemit.c (gen_insn, gen_expand): Likewise.
12354 * genrecog.c (write_switch, write_subroutine): Likewise.
12356 * mips-tfile.c (catch_signal, botch): Likewise.
12358 * print-rtl.c (print_rtx): Likewise.
12360 * toplev.c (default_print_error_function, report_error_function,
12361 _fatal_insn): Likewise.
12363 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12365 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12367 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12369 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12370 operations when needed.
12371 * i386.md (fop_?f_comm): New.
12372 (fop_?f_1): Do not accept commutative operands.
12374 1999-11-25 Andreas Jaeger <aj@suse.de>
12376 * config/mips/mips.md (casesi_internal): Add missing brace.
12378 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12380 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12381 (splice_child_die): Handle moving a child DIE from the declaration
12382 DIE of a class to its specification.
12383 (gen_struct_or_union_type_die): Use 'complete' consistently.
12384 (gen_decl_die): Generate the virtual context DIE first.
12385 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12387 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12389 * config/mips/mips.md (call_value_multiple_interanal1): New.
12391 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12393 * dwarf2out.c (free_AT, free_die): New fns.
12394 (remove_children): Call them.
12395 (output_line_info): Disable removal of duplicate notes.
12397 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12398 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12399 means pretend the type isn't defined.
12400 Don't defer emitting types.
12401 (gen_type_die_for_member): New fn.
12402 (gen_decl_die): Call it.
12403 (splice_child_die): New fn.
12404 (gen_member_die): Call it rather than generate duplicate dies.
12406 Defer emitting information for the abstract instance of an inline
12407 until we either inline it or emit an out-of-line copy.
12408 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12409 from output_inline_function if DECL_ABSTRACT is also set.
12410 (block_ultimate_origin): Likewise.
12411 (gen_abstract_function): New fn.
12412 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12413 (gen_subprogram_die): An abstract instance is not a declaration
12414 just because it doesn't match current_function_decl. Don't abort
12415 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12416 has an abstract origin.
12417 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12418 abstract instance here.
12420 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12422 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12423 where we need to reload fpul from a system register.
12425 1999-11-24 Andreas Jaeger <aj@suse.de>
12427 * config/mips/linux.h (CPP_PREDEFINES): Added.
12428 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12430 1999-11-24 Andreas Jaeger <aj@suse.de>
12432 * config/mips/linux.h (TARGET_VERSION): Added.
12433 (HANDLE_SYSV_PRAGMA): Added.
12434 (DEFAULT_VTABLE_THUNKS): Added.
12436 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12438 * local-alloc.c (qty): New structure and static variable.
12439 (qty_phys_reg): Remove, all references changed to qty.
12440 (qty_n_refs): Likewise.
12441 (qty_min_class): Likewise.
12442 (qty_birth): Likewise.
12443 (qty_death): Likewise.
12444 (qty_size): Likewise.
12445 (qty_mode): Likewise.
12446 (qty_n_calls_crossed): Likewise.
12447 (qty_alternate_class): Likewise.
12448 (qty_changes_size): Likewise.
12449 (qty_first_reg): Likewise.
12450 (alloc_qty): Rename variable QTY to QTYNO.
12451 (finf_free_reg): Likewise.
12452 (local_alloc): Allocate qty, do not allocate the removed variables.
12454 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12456 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12457 when -membedded-pic is passed.
12459 * config/mips/mips.md (casesi): Handle 64-bit case too.
12460 (casesi_internal_di): New insn.
12462 * config/mips/mips.c (embedded_pic_offset): Always make the
12463 embedded-pic subtractions relative to the name of the current
12464 function by use of the magic string "..CURRENT_FUNCTION".
12465 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12467 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12469 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12470 of (const_int 0), when what we really care about is
12471 whether it's a zero constant anyway.
12472 (div_trap_mips16): Likewise.
12474 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12476 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12477 unroll_block_trees when generating debuggable code.
12479 * tree.h (unsave_expr_1): New function.
12480 (lang_unsave): New variable.
12481 (get_callee_fndecl): New function.
12482 * tree.c (unsave_expr_now_r): New function.
12483 (lang_unsave): Define.
12484 (unsave_expr_1): Likewise.
12485 (unsave_expr_now_r): Split out from unsave_expr_now.
12486 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12487 call unsave_expr_now_r.
12488 (get_callee_fndecl): Define.
12490 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12491 (gencheck.o): Do depend on lang_tree_files.
12493 * integrate.h (copy_decl_for_inlining): New declaration.
12494 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12495 (copy_decl_for_inlining): New function.
12496 (integrate_parm_decls): Use it.
12497 (integrate_decl_tree): Likewise.
12499 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12501 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12502 the second two from the first.
12503 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12504 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12505 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12507 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12508 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12511 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12513 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12514 needed on the address operand.
12515 * pa.c (call_operand_address): Check for the correct mode.
12517 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12519 * loop.c: Include "basic-block.h".
12520 (try_copy_prop, replace_loop_reg): New functions.
12521 (load_mems): Detect registers that just hold copies of the hoisted
12522 mem, and call try_copy_prop to eliminate them.
12523 * Makefile.in (loop.o): Update dependencies.
12525 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12527 * Makefile.in (gencheck.o): Depend on gencheck.h.
12528 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12529 (insn-peep.o): Depend on except.h and function.h.
12530 (insn-attrtab.o): Depend on RECOG_H.
12531 (insn-output.o): Depend on toplev.h and flags.h.
12532 (gengenrtl.o): Depend on real.h.
12533 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12534 Unify all dependencies to be on RECOG_H rather than recog.h.
12536 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12538 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12539 * configure.in: Try building a bi-arch 32/64-bit compiler on
12540 sparc-*-solaris2.7 and higher.
12541 * configure: Rebuild.
12543 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12545 * config/freebsd.h: New, FreeBSD architecture independent file.
12546 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12547 independent pieces.
12548 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12549 directly by i386/freebsd.h.
12550 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12551 independent configuration file.
12552 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12553 directly by i386/freebsd.h.
12554 * configure: Rebuilt.
12556 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12557 which is in the user's namespace.
12558 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12559 `i386' which is not in our namespace.
12561 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12563 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12565 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12567 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12568 (add_dwarf_attr, add_child_die): Just push onto the front.
12569 (reverse_die_lists): New fn.
12570 (add_sibling_attributes): Use it.
12571 (push_decl_scope): Reorganize.
12572 (add_name_and_src_coords_attributes): Don't set file and line for
12573 an artificial decl.
12574 (gen_subprogram_die): An artificial function doesn't need to match
12576 (gen_compile_unit_die): Return the generated die. Only add
12577 AT_comp_dir if the filename is relative.
12578 (remove_AT): Simplify loop. Also free string values.
12579 (output_die): A DIE ref can't be null.
12580 (output_value_format, value_format): Take a dw_attr_ref.
12581 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12582 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12583 AT_addr, AT_lbl): New fns.
12584 (various): Use them.
12585 (various): Constify.
12587 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12589 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12590 take SUBREG_WORD into account.
12591 (if_then_else_cond): Likewise.
12593 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12595 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12596 clause from BSD license, pursuant with
12598 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12600 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12602 * loop.c (load_mems): Reformat slightly.
12603 * basic-block.h (regset_head): New typedef.
12604 (INIT_REG_SET): New macro.
12606 1999-11-22 Bruce Korb <autogen@linuxbox.com
12608 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12609 (mips-dec-bsd*): non-functional code
12610 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12612 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12613 added three replacement fixes
12614 (no_double_slash): removed comments that are not (any longer) pertinent
12615 (bad_lval): this fix currently runs against many files.
12616 The comment seems to indicate that we should select for files
12617 containing 'pragma extern_prefix'.
12619 * fixinc/fixinc.x86-linux-gnu: deleted
12620 * fixinc/inclhack.sh: regen
12621 * fixinc/fixincl.x: regen
12622 * fixinc/fixincl.sh: regen
12624 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12626 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12627 its code is INSN and it has no notes.
12629 1999-11-22 Andrew Haley <aph@cygnus.com>
12631 * varasm.c (function_defined): Remove.
12632 (make_function_rtl): Don't set function_defined.
12633 (make_decl_rtl): Remove global register warning.
12634 * regclass.c (no_global_reg_vars): New variable.
12635 (globalize_reg): Warn if function has already been defined.
12636 (regclass_init): Set no_global_reg_vars.
12638 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12640 * regclass.c (reg_pref): New structure and static variable
12641 (prefclass): Delete.
12642 (altclass): Delete.
12643 (all uses of prefclass and altclass): Use reg_pref instead.
12645 1999-11-21 Nick Clifton <nickc@cygnus.com>
12647 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12649 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12650 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12651 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12653 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12655 * varasm.c (output_constructor): Solve problem with long long
12656 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12658 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12660 * global.c (allocno): New structure and static variable.
12661 (allocno_reg): Remove, all references replaced by allocno.
12662 (allocno_size): Likewise.
12663 (hard_reg_conflicts): Likewise.
12664 (hard_reg_preferences): Likewise.
12665 (hard_reg_copy_preferences): Likewise.
12666 (hard_reg_full_preferences): Likewise.
12667 (regs_someone_prefers): Likewise.
12668 (allocno_calls_crossed): Likewise.
12669 (allocno_n_refs): Likewise.
12670 (allocno_live_length): Likewise.
12671 (find_reg): Rename ALLOCNO to NUM.
12673 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12674 references updated.
12675 (may_move_out_cost): New variable.
12676 (init_reg_sets_1): Initialize may_move_out_cost.
12677 (record_reg_classes): Use may_move_out_cost.
12679 * regclass.c (dump_regclass): New function.
12680 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12681 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12682 pass rtl_dump_file to regclass.
12683 * rtl.h (regclass): Update prototype.
12685 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12687 * i386.md (neg, not and abs patterns): Revmap to use
12688 ix86_expand_unary_operator and ix86_unary_operator_ok.
12689 (add?f and sub?f expanders): Force operand 1 to register.
12690 * i386.c (ix86_expand_unary_operator): Rewrite.
12691 (ix86_unary_operator_ok): Ensure that memory operands
12693 (ix86_binary_operator_ok): Do not allow operand 1 to
12694 come into memory and operand 0 not.
12695 (ix86_expand_binary_operator): Ensure that
12696 src1 is not non-matching memory.
12698 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12699 to support integer registers and memory.
12700 (abss?2_integer): Likewise.
12702 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12703 (REG_CLASS_NAMES): Likewise.
12704 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12706 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12707 (movsf): Likewise; unify 4th and 5th alternative.
12708 (pushdf): Likewise.
12709 (movdf_1): Likewise; rename to movdf_integer.
12710 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12711 remove redundant splitter.
12712 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12713 (movdf_nointeger): New.
12714 (movxf_nointeger): New.
12715 (pushxf_nointeger): New.
12717 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12718 memory operands in patterns.
12719 (fop*): Refuse two memory operands.
12721 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12722 on !TARGET_USE_CLTD CPUs.
12724 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12726 * extend.texi: Document C++ restricted pointers and references.
12728 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12730 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12731 (invalidate_skipped_set): Call it unconditionally.
12732 (cse_set_around_loop): Likewise.
12734 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12736 * rtl.texi (mem): Add documentation for alias-set argument
12739 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12741 * i386.h (struct_processor_costs): New fields int_load, int_store,
12742 fp_move, fp_load and fp_store
12743 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12745 (MEMORY_MOVE_COST): New macro.
12746 * i386.c (386_cost): Define new fields.
12747 (i486_cost): Likewise.
12748 (pentium_cost): Likewise.
12749 (pentiumpro_cost): Likewise.
12750 (k6_cost): Likewise.
12752 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12753 Geoffrey Keating <geoffk@cygnus.com>
12755 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12757 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12760 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12761 (TARGET_STRICT_ALIGNMENT): New macro.
12762 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12763 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12764 * invoke.texi (M680x0 Options): Document -mstrict-align.
12766 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12767 Richard Henderson <rth@cygnus.com>
12769 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12770 (ix86_split_long_move): Declare.
12771 * i386.c (split_xf, ix86_split_movdi): Remove.
12772 (ix86_split_to_parts, ix86_split_long_move): New.
12773 * i386.md (dimode move splitters): Use ix86_split_long_move.
12774 (dfmode move splitters): Likewise.
12775 (xfmode move splitters): Likewise.
12776 (movsf_1): Allow F->r.
12777 (movdf_1, movxf_1): Allow F->ro.
12779 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12781 * except.h (struct eh_entry): Add goto_entry_p.
12782 (eh_region_from_symbol): Remove prototype.
12783 * except.c (find_func_region_from_symbol): New function.
12784 (emit_cleanup_handler): Likewise.
12785 (eh_region_from_symbol): Make it static.
12786 (add_new_handler): Verify the argument.
12787 (find_func_region): Update comment.
12788 (expand_eh_region_end): Expand handlers here, rater than waiting
12789 until expand_leftover_cleanups or start_all_catch.
12790 (expand_leftover_cleanups): Don't expand here.
12791 (expand_start_all_catch): Or here.
12792 (expand_rethrow): Check the return value from find_func_region.
12793 * function.c (expand_function_end): Emit the catch_clauses.
12795 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12797 * integrate.c (expand_inline_function): Add necessary check for NULL.
12799 1999-11-18 Nick Clifton <nickc@cygnus.com>
12801 * toplev.c (main): Correctly detect an unrecognised option.
12803 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12804 a -f option if it has not been recognised.
12806 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12808 * basic-block.h (update_life_extent): Remove trailing comma on
12809 enumeration type list.
12811 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12813 * varasm.c (output_constructor) Solved problem with long long
12814 bitfields. Corrected calculating this_time and shift. Also
12815 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12817 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12819 * flow.c (split_edge): Take looping structure into account when
12820 determining where to put the new block note.
12822 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12824 * Makefile.in (ggc-none.o): Provide host specific version if
12827 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12829 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12830 containing subregs too.
12832 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12834 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12835 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12836 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12837 (text_section): Add switches -munint-const-in-rodata and
12838 -mno-uninit-const-in-rodata.
12839 (ASM_OUTPUT_COMMON): Remove.
12840 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12841 const objects should be placed in read-only data. Otherwise declare
12844 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12846 * jump.c (jump_optimize_1): Revert last change.
12848 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12850 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12851 test if optimizing for size.
12853 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12855 * Makefile.in (toplev.o): Depend on except.h.
12856 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
12858 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12860 * i386.md (divmodsi4): Rewrite to expander.
12861 (*divmodsi4_nocltd): New.
12862 (*divmodsi4_cltd): New.
12863 (divmodsi4 splitter): Handle the case when input comes in edx.
12864 (udivmodhi4): Do not use constraints in exander.
12865 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
12867 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
12869 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
12870 for the common case.
12872 1999-11-16 Jakub Jelinek <jakub@redhat.com>
12874 * explow.c (hard_function_value): Add outgoing argument.
12875 * expr.h (hard_function_value): Declare it.
12876 * calls.c (expand_call, emit_library_call_value): Update callers.
12877 * function.c (aggregate_value_p): Ditto.
12878 (diddle_return_value): Must look at the outgoing registers
12879 on archs with register windows.
12881 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
12883 * alpha.c (alpha_build_va_list): Use make_lang_type and
12884 initialize TYPE_NAME for the va_list record.
12886 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
12888 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
12890 * ggc.h (struct ggc_statistics): Rearrange elements for better
12891 packing on 64-bit hosts.
12892 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
12893 (compute_nearerout): Likewise.
12895 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
12897 * config/rs6000/rs6000.c (first_reg_to_save): Save
12898 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
12900 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
12902 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
12903 notion of nesting to find the DIE for a type or function.
12904 DIEs can go in limbo even if we got a context_die.
12905 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
12906 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
12908 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
12909 (gen_type_die): Writing out the context doesn't cause member class
12910 template instantiations to be written out as well.
12912 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
12914 * rs6000.h (ASM_OUTPUT_DEF): New.
12915 Based on proposed addition from David Edelsohn.
12917 1999-11-15 Robert Lipe <RobertLipe@usa.net>
12918 Bruce Korb <autogen@linuxbox.com>
12920 * fixinc/inclhack.def
12921 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
12922 (unixware7_byteorder_fix): added. Removes conflicts for new defs
12924 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
12925 (svr4_endian): enabled with SVR5
12926 (svr4_mkdev): simplified syntax and enabled with SVR5
12928 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
12930 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
12931 * configure: Rebuilt.
12932 * config/t-freebsd-thread: New file.
12934 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
12936 * i386.c (ix86_decompose_address): Verify the base is a REG
12937 before trying to examine its register number.
12939 * basic-block.h: Remove all #defines and prototypes related to
12941 (free_bb_mem, compute_preds_succs): Remove prototype.
12942 * rtl.h (free_bb_mem): Remove prototype.
12943 * flow.c (alloc_int_list_node); Remove function.
12944 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
12945 (compute_preds_succs, free_bb_mem): Likewise.
12946 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
12947 * toplev.c (rest_of_compilation): Likewise.
12948 * haifa-sched.c (build_control_flow): Use flow generated edge
12949 list to build the haifa specific edge list.
12950 (find_rgns): Use new CFG data structures instead of pred/succ lists.
12951 (schedule_insns): Do not build pred/succ lists anymore. Instead
12952 build the edge table.
12954 * basic-block.h (dump_bb_data): Remove declaration.
12955 * flow.c (dump_bb_data): Remove function.
12956 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
12957 (sbitmap_union_of_predsucc): Likewise.
12959 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
12960 argument. All callers changed.
12961 (delete_null_pointer_checks_1): No longer need to compute the
12964 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
12965 All callers changed.
12966 (pre_expr_reaches_here_p_work): Likewise.
12967 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
12968 * lcm.c (compute_laterin): Fix initialization of LATER.
12969 (compute_nearerout): Similarly for NEARER.
12971 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12973 * cse.c (set_nonvarying_address_components): Delete unused function.
12974 (refers_to_p): Likewise.
12976 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
12978 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
12981 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12983 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
12984 definition in do while (0).
12986 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
12988 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
12990 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
12992 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
12994 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12996 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
12997 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
12998 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12999 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
13001 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
13002 saved on the stack. Output more accurate stack frame statistics
13003 into assembler file.
13005 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
13007 * genextract.c (record_insn_name): New function.
13008 (get_insn_name): No longer a stub.
13009 (main): Call record_insn_name for each insn. After each label
13010 written, print the insn name in a comment.
13012 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13014 * output.h (const_section, init_section, fini_section): Add
13017 * alpha/elf.h (const_section): Delete declaration.
13019 * svr4.h (const_section): Likewise.
13021 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
13023 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
13024 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
13025 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
13027 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
13028 variable-sized array bounds.
13030 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
13032 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
13035 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13037 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
13038 addresses the same way GO_IF_LEGITIMATE_INDEX does.
13040 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13042 * cse.c (hash_arg_in_struct): Delete.
13043 (struct table_elt): Delete elt in_struct.
13044 (struct set): Delete elt src_in_struct.
13045 (merge_equiv_classes): Don't set either hash_arg_in_struct or
13046 the corresponding in_struct elts.
13047 (canon_hash): Likewise.
13048 (safe_hash): Likewise.
13049 (find_best_addr): Likewise.
13050 (record_jump_cond): Likewise.
13051 (cse_insn): Likewise.
13053 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
13055 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
13057 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
13060 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
13062 * function.c (diddle_return_value): Put back check that the DECL_RTL
13063 for the function is a register.
13065 * function.c (diddle_return_value): Use hard_function_value to
13066 get an rtx suitable for use in the USE/CLOBBER insn.
13068 * global.c (global_conflicts): Update comments.
13069 (record_conflicts): No need to record conflicts between pseudos here.
13071 1999-11-11 Bruce Korb <autogen@linuxbox.com>
13073 * fixinc/fixincl.c: Added verbose levels for status messages
13075 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13077 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
13078 operand as argument to expand_and or expand_binop.
13080 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
13082 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
13083 gcc_add_string_root.
13085 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
13087 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
13089 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
13091 * flow.c (compute_flow_dominators): Initially put all blocks on
13093 * lcm.c (compute_antinout_edge, compute_available): Similarly.
13094 * gcse.c (compute_cprop_avinout): Remove.
13095 (compute_cprop_data): Use compute_available.
13096 (delete_null_pointer_checks_1): Use compute_available.
13098 * basic-block.h (compute_available): Returns a void now.
13099 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
13100 to return a value anymore.
13101 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
13102 worklists. Fix boundary cases. Compute maximal solutions.
13103 (compute_laterin, compute_nearerout): Similarly.
13105 * dwarf2out.c (add_AT_location_description): Allow
13106 (mem (plus (pseudo) (...)) too.
13108 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
13110 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
13112 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
13113 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13115 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
13117 * gansidecl.h: Likewise.
13123 * toplev.h: Likewise.
13125 * tree.c: Likewise.
13127 * tree.h: Likewise.
13129 * varray.c: Likewise.
13131 * varray.h: Likewise.
13133 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
13135 * gcov.c (struct arcdata): Add hits and total, remove prob.
13136 (output_branch_counts): New.
13137 (process_args): Set output_branch_counts if -c.
13138 (calculate_branch_probs): Store hits and total instead of
13140 (output_data): Emit counts if output_branch_counts is true.
13141 * gcov.texi (Invoking Gcov): Document -c switch..
13143 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
13145 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
13146 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
13148 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
13150 * invoke.texi (C Dialect Options): Add missing builtins from
13151 c-common.c to list.
13152 * extend.texi (Other Builtins): Copy to this list.
13154 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13156 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
13157 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
13158 redundant bitmap.h.
13160 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
13162 * flow.c (compute_flow_dominators): No longer treat basic block 0
13163 or (n_basic_blocks - 1) specially. Clear the AUX field before
13164 starting computation of doms/pdoms. Fix initial state for pdoms.
13166 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13168 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
13169 match rtl.o's: added ggc.h and toplev.h
13170 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
13171 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
13172 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
13174 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
13176 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
13177 from HAVE_DOS_BASED_FILESYSTEM.
13178 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
13179 HAVE_DOS_BASED_FILESYSTEM.
13181 (split_directories): Only special-case DOS file names if
13182 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
13183 instead of explicit tests. Conditionalize on !VMS.
13184 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
13185 tests. Conditionalize on !VMS.
13186 (process_command): Only use make_relative_prefix if !VMS.
13187 (free_split_directories): Conditionalize on !VMS.
13188 (DIR_UP): Conditionalize on !VMS.
13190 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
13192 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
13194 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
13196 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
13199 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
13201 * invoke.texi (Environment Variables): Document relative path
13203 * gcc.c (DIR_UP): If not defined, define as "..".
13204 (standard_bindir_prefix): New static, holds target location to
13206 (split_directories): New function to split a filename into
13207 component directories.
13208 (free_split_directories): New function, release memory allocated
13209 by split_directories.
13210 (make_relative_prefix): New function, make a relative pathname if
13211 the compiler is not in the expected location.
13212 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
13213 can figure out an appropriate prefix from argv[0].
13214 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
13215 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
13216 STANDARD_BINDIR_PREFIX.
13218 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13220 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
13222 * config/c4x/c4x.h: Moved prototypes to c4x.h.
13223 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
13224 c4x_secondary_memory_needed) Delete.
13225 (fp_zero_operand): Add mode argument.
13227 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
13229 * reload1.c (reload_reg_free_for_value_p): Don't use a register
13230 that is in reload_reg_used.
13232 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
13234 * config/arm/arm-protos.h: New file: Prototypes for functions
13235 defined in arm.c and pe.c.
13236 * config/arm/arm.h: Fix compile time warnings.
13237 * config/arm/arm.c: Fix compile time warnings.
13238 * config/arm/pe.h: Fix compile time warnings.
13239 * config/arm/aout.h: Fix compile time warnings.
13241 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
13243 * config/m32r/m32r-protos.h: New file: Prototypes for functions
13246 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
13247 Add support for subtargets.
13248 Add prototypes for new predicates.
13249 Add scheduling macros.
13251 * config/m32r/m32r.c: Fix compile time warnings.
13252 (int8_operand): New predicate function.
13253 (reg_or_cmp_int16_operand): New predicate function.
13254 (extend_operand): New predicate function.
13255 (m32r_adjust_code): New scheduling function.
13256 (m32r_adjust_priorty): New scheduling function.
13257 (m32r_sched_init): New scheduling function.
13258 (m32r_sched_reorder): New scheduling function.
13259 (m32r_sched_variable_issue): New scheduling function.
13260 (direct_return): New codegen function.
13261 (m32r_not_same_reg): New rtl testsing function.
13263 * config/m32r/m32r.md: Fix compile time warnings.
13264 Add support for pre decrement and post increment memory
13266 Add S<cc> patterns.
13269 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13271 * global.c (EXECUTE_IF_CONFLICT): Don't define.
13272 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
13273 (find_reg): Likewise.
13275 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
13277 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
13278 to avoid assembler errors.
13280 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13282 * config/v850/v850-protos.h: New file: Prototypes for functions
13284 * config/v850/v850.h: Move prototypes to v850-protos.h
13285 * config/v850/v850.c: Move prototypes to v850-protos.h
13286 * config/v850/v850.md: Fix compile time warnings.
13288 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13290 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13291 * config/fr30/fr30.c: Fix compile time warnings.
13292 * config/fr30/fr30.md: Fix compile time warnings.
13294 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13296 * tree.h (get_containing_scope): Declare it.
13297 * tree.c (get_containing_scope): New fucntion.
13298 (decl_function_context): Use it.
13299 * toplev.c (rest_of_compilation): Use get_containing_scope.
13301 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13303 * Makefile.in (rtl.o): Depend on toplev.h.
13305 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13307 * cse.c (delete_trivially_dead_insns): Replace alloca with
13309 * except.c (update_rethrow_references): Likewise.
13310 (init_eh_nesting_info): Likewise.
13311 * function.c (identify_blocks): Likewise.
13312 * gcse.c (dump_hash_table): Likewise.
13313 * graph.c (print_rtl_graph_with_bb): Likewise.
13314 * loop.c (combine_movables): Likewise.
13315 (move_movables): Likewise.
13316 (count_loop_regs_set): Likewise.
13317 (strength_reduce): Likewise.
13318 * profile.c (compute_branch_probabilities): New function, split
13320 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13321 * regclass.c (regclass): Likewise.
13322 * regmove.c (regmove_optimize): Likewise.
13323 * toplev.c (compile_file): Likewise.
13324 (main): Don't mess with the stack rlimit.
13326 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13328 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13329 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13331 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13333 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13335 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13337 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13338 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13341 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13343 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13345 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13347 * gcse.c (post_dominators): Kill.
13348 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13349 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13350 pass in a pdom array since we do not need pdoms.
13351 * haifa-sched.c (schedule_insns): Similarly.
13352 * flow.c (compute_dominators): Remove dead function.
13353 (compute_flow_dominators): Do not compute doms or pdoms if the
13354 caller does not request them. Split up loop to build doms and
13355 pdoms. Use a worklist to compute doms and pdoms.
13356 * basic-block.h (compute_dominators): Remove prototype.
13358 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13360 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13361 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13362 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13363 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13364 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13365 (schedule_region): Remove unused variable.
13366 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13368 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13370 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13371 (update_equiv_regs): Likewise.
13372 (block_alloc): Likewise.
13373 * reg-stack.c (reg_to_stack): Likewise.
13374 (convert_regs_2): Likewise.
13375 * reload1.c (reload_as_needed): Likewise.
13377 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13379 * Makefile.in (dbxout.o): Depend on ggc.h.
13380 (dwarf2out.o): Likewise.
13381 (xcoffout.o): Likewise.
13382 * dbxout.c: Include ggc.h.
13383 (dbxout_init): Register lastfile as a root.
13384 * dwarf2out.c: Include ggc.h.
13385 (dwarf2out_line): Register lastfile as a root.
13386 * xcoffout.c: Include ggc.h.
13387 (xcoffout_source_line): Register xcoff_lastfile as a root.
13389 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13391 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13393 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13395 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13397 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13399 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13401 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13402 (EXECUTE_IF_CONFLICT): Likewise.
13403 (ALLOCNO_LIVE_P): Avoid signed division.
13404 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13405 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13406 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13408 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13410 * haifa-sched.c (schedule_block): Don't crash if there's no
13411 next insn for an interblock movement.
13412 (add_branch_dependences): Don't allow clobber insns to move either.
13414 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13416 * i386.c (split_xf): New.
13417 * i386-protos.h: Declare it.
13418 * i386.md (movxf_1): Add general regs alternatives.
13419 (movxf_1+1): New splitter for same.
13421 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13423 * function.c (purge_addressof_1): Add missing return values.
13425 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13427 * function.c (is_addressof): New function. Returns true if
13428 the given piece of RTL is an ADDRESSOF.
13429 (purge_addressof_1): Make boolean. Return false if the
13430 ADDRESSOFs could not be purged.
13431 (purge_addressof): If ADDRESSOFs could not be purged from the
13432 notes attached to an insn, remove the offending note(s),
13433 unless they are attached to a libcall.
13435 1999-11-05 Andreas Jaeger <aj@suse.de>
13437 * genoutput.c (null_operand =): Initialize all fields.
13439 * errors.h: Add extern to prototypes.
13441 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13443 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13444 * configure: Rebuilt.
13446 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13448 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13449 (mirror_conflicts): New function.
13450 (global_alloc): Call it.
13451 (expand_preferences): Remove redundant CONFLICTP test.
13452 (find_reg, dump_conflicts): Likewise.
13453 (prune_preferences): Process conflicts one word at a time.
13455 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13457 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13458 instead of an explicit loop.
13460 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13462 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13463 if REG_RETVAL check succeeds, then put classp in src_elt.
13465 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13467 * function.c (pad_to_arg_alignment): Only update argument_pad
13468 if the argument's alignment is greater than STACK_BOUNDARY.
13470 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13472 * bitmap.h (BITMAP_XFREE): New.
13473 * flow.c (life_analysis): Use it.
13474 (life_analysis_1): Free blocks.
13476 * combine.c (undo_commit): New.
13477 (try_combine): Use it. Don't zap undobuf.undos.
13478 (combine_instructions): Don't zap undobuf.undos; free the
13479 undobuf.frees list.
13481 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13483 * stmt.c (cost_table_): New.
13484 (estimate_case_costs): Use it instead of xmalloc.
13486 * toplev.c (compile_file): Reuse dumpname memory instead
13489 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13491 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13492 after verifying an EH edge.
13494 * haifa-sched.c (init_rgn_data_dependences): Correctly
13495 size bb_pending_lists_length when zeroing.
13497 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13499 * function.c (diddle_return_value): New.
13500 (expand_function_end): Use it.
13501 * stmt.c (expand_null_return): Likewise.
13502 (expand_value_return): Likewise.
13504 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13506 * reload1.c (reload): Don't remove return value clobbers.
13508 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13510 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13512 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13514 * cse.c (cse_main): Use xmalloc, not alloca.
13515 (cse_basic_block): Likewise.
13516 * local-alloc.c (local_alloc): Likewise.
13518 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13519 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13521 * rtl.c: Include toplev.h.
13522 (fatal): Remove declaration.
13524 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13526 * haifa-sched.c (schedule_block): Fix thinko.
13528 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13530 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13531 S_IR* defined values
13533 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13535 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13536 call `malloc' instead.
13538 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13540 * flags.h (flag_renumber_insns): Declare.
13541 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13543 * rtl.h (renumber_insns): Change prototype.
13544 * toplev.c (flag_renumber_insns): Define.
13545 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13547 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13549 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13550 and fpsqrtd. Use them and create fdiv function unit to more
13551 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13552 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13554 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13556 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13558 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13559 insn into ready list, do not use just a raw swap.
13561 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13563 * rtl.h (renumber_insns): New function.
13564 (remove_unnecessary_notes): Likewise.
13565 * emit-rtl.c (renumber_insns): Define.
13566 (remove_unncessary_notes): Likewise.
13567 * toplev.c (rest_of_compilation): Remove dead code.
13568 Use renumber_insns and remove_unncessary_notes.
13570 * gcse.c (struct null_pointer_info): New type.
13571 (get_bitmap_width): New function.
13572 (current_block): Remove.
13573 (nonnull_local): Likewise.
13574 (nonnull_killed): Likewise.
13575 (invalidate_nonnull_info): Take a null_pointer_info as input.
13576 (delete_null_pointer_checks_1): New function.
13577 (delete_null_pointer_checks): Use it.
13579 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13580 (split_edges): Likewise.
13581 (schedule_block): Likewise.
13582 (compute_block_backward_dependencies): Likewise.
13583 (schedule_region): Likewise.
13584 (schedule_insns): Likewise.
13586 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13588 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13589 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13590 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13591 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13592 * jump.c (delete_unreferenced_labels): Don't delete if
13593 LABEL_ALTERNATE_NAME is set.
13594 * print-rtl.c (print_rtx): Dump alternate name.
13595 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13596 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13597 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13598 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13600 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13602 * fix-header.c (recognized_extern, recognized_function): Constify
13605 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13606 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13607 (compute_available): Remove unused variable `last'.
13608 (compute_nearerout): Remove unused variable `temp_bitmap'.
13609 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13610 Remove unused variable `x'.
13612 * scan.h (recognized_function, recognized_extern): Constify a
13615 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13617 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13619 * varasm.c (decode_rtx_const): Use XSTR to access the string
13622 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13624 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13626 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13628 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13630 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13632 * pa.c (ireg_operand): New function.
13633 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13634 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13635 Fix out of date comment.
13637 * pa.md (negdi2): Turn into expander + anonymous pattern.
13639 * reload.c (find_reloads): Fix typos in recent change.
13641 * dwarf2out.c: Do not include ctype.h.
13643 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13645 * regclass.c (record_reg_classes): Always use may_move_cost when
13646 seeing how operand fits with various register classes.
13648 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13650 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13651 * toplev.c: Revert Nov 1 13:22 change.
13653 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13655 * config/pa/pa.md (height reduction patterns): Add checks for
13656 overlapping operands to avoid semantic-destroying splits for
13657 height reduction patterns.
13659 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13661 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13662 have been an hyphen, fixed.
13663 * configure: Rebuilt.
13665 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13667 * config/arm/tpe.h: Add prototypes for exported functions.
13668 * config/arm/pe.c: Fix compile time warnings.
13669 * config/arm/semi.h: Fix compile time warnings.
13670 * config/arm/arm.c: Fix compile time warnings.
13671 * config/arm/arm.h: Fix compile time warnings.
13672 * config/arm/arm.md: Fix compile time warnings.
13673 * config/arm/thumb.c: Fix compile time warnings.
13674 * config/arm/thumb.h: Fix compile time warnings.
13675 * config/arm/thumb.md: Fix compile time warnings.
13677 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13679 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13682 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13683 completely unrolled.
13685 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13687 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13689 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13691 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13692 * rtl.h (rtx_equal_p): Move prototype.
13693 * rtl.c (rtx_equal_function_value_matters): Move from
13695 (rtx_equal_p): Likewise.
13696 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13697 (rtx_equal_p): Likewise.
13699 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13701 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13702 ! HAS_INIT_SECTION.
13704 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13706 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13708 * pa.h (ADDR_VEC_ALIGN): Define.
13710 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13711 notes when presented with "if (foo) break; end_of_loop" and
13712 the break sequence gets moved out of the loop.
13714 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13715 Remove explicit zero initializations of entries within MAP.
13717 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13719 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13721 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13723 * bitmap.h (BITMAP_XMALLOC): New macro.
13724 * flow.c (CLEAN_ALLOCA): Remove.
13725 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13726 (life_analysis): Likewise.
13727 (update_life_info): Don't use CLEAN_ALLOCA.
13728 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13729 (calculate_global_regs_live): Likewise.
13730 (print_rtl_with_bb): Likewise.
13731 (verify_flow_info): Likewise.
13732 * global.c (global_alloc): Likewise.
13733 (global_conflicts): Likewise.
13734 * integrate.c (save_for_inline_nocopy): Likewise.
13735 (expand_inline_function): Likewise.
13736 * jump.c (jump_optimize_1): Likewise.
13737 (duplicate_loop_exit_test): Likewise.
13738 (thread_jumps): Likewise.
13739 * loop.c (loop_optimize): Likewise.
13740 (combine_givs): Likewise.
13741 (recombine_givs): Likewise.
13742 * reorg.c (dbr_schedule): Likewise.
13743 * unroll.c (unroll_loop): Likewise.
13745 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13747 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13749 * toplev.c (rest_of_compilation): Don't optimize the CFG
13750 when rebuilding, just before dbr.
13752 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13754 * output.h (assemble_end_function, assemble_destructor,
13755 assemble_constructor, assemble_gc_entry, assemble_global,
13756 assemble_label, output_constant_pool) Constify a char*.
13758 * varasm.c (assemble_destructor, assemble_constructor,
13759 assemble_gc_entry, assemble_end_function, assemble_global,
13760 assemble_label, output_constant_pool): Likewise.
13762 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13764 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13765 explaining what is goin on in this function.
13767 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13769 * regclass.c (record_reg_classes): In matching case, recompute
13770 costs since the direction of movement is different.
13772 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13774 * resource.c (mark_target_live_regs): For unconditional branches,
13775 the resources found at the branch target should be added to the
13776 resources found so far, not intersected.
13778 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13780 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13782 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13783 (sys/mman.h): Include this file only if #HAVE_MMAP.
13784 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13785 with automatically concatenated ANSI strings.
13787 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13789 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13790 (DIV_ROUND_UP): Robustify.
13791 (ggc_recalculate_in_use_p): New function.
13792 (release_pages): Don't inline it.
13793 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13795 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13796 (clear_marks): Always save in_use_p.
13797 (sweep_pages): Use ggc_recalculate_in_use_p.
13798 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13799 Release pages before counting statistics.
13801 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13803 * toplev.c (rest_of_compilation): Fix thinko in this change:
13805 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13807 (rest_of_compilation): If inside an inlined external function,
13808 pretend we are just being declared.
13810 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13812 * flow.c (calculate_global_regs_live): Fix thinko.
13814 * integrate.c (expand_inline_function): Fix bugs in previous
13815 change from Oct 28, 1999.
13817 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13819 * stmt.c (expand_value_return): Fix typo in this change:
13821 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13822 (expand_value_return): Correctly convert VAL when promoting function
13823 return; support RETURN_REG being a PARALLEL.
13825 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13827 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13829 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13831 * hard-reg-set.h (reg_names): Constify a char*.
13833 * regclass.c (reg_names): Likewise.
13835 * regs.h (reg_names): Likewise
13837 * a29k/a29k.c (reg_names): Delete declaration.
13839 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13841 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13842 arc_output_function_epilogue): Likewise.
13844 * elxsi/elxsi.c (reg_names): Likewise.
13846 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13848 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13851 * m88k/m88k.c (output_function_profiler): Likewise.
13853 * sparc/sparc.c (sparc_flat_output_function_prologue,
13854 sparc_flat_output_function_epilogue): Likewise.
13856 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
13858 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
13859 warning from -Wuninitialized and put it under -W.
13860 * function.c (uninitialized_vars_warning): Warn only when the
13861 corresponding flag is set.
13863 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
13865 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
13866 is nonzero and the single set does not have an elt, then assign
13869 * simplify-rtx.c: New file.
13870 * Makefile.in (OBJS): Add simplify-rtx.o
13871 (simplify-rtx.o): Add dependencies.
13872 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
13873 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
13874 (cse_gen_binary, simplify_unary_operation): Delete.
13875 (simplify_binary_operation, simplify_plus_minus): Likewise.
13876 (check_fold_consts, simplify_relation_operation): Likewise.
13877 (simplify_ternary_operation): Likewise.
13878 (delete_trivially_dead_insns): Simplify the contents of the
13879 REG_EQUAL note before trying to substitute it into the source
13880 of the reg-reg copy at the end of a libcall sequence.
13882 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
13883 references/callers changed.
13885 * mn10200.c (mn10200_va_arg): Force the return value into a
13888 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
13890 * cccp.c (macroexpand): Avoid out of range accesses for omitted
13893 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
13895 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
13897 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
13899 * fold-const.c (fold): Fix thinko when optimizing comparisons
13902 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
13904 * gcc.texi (Passes): Update front-end files to their current
13907 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
13909 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
13910 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13911 (PREDICATE_CODES): Add addition_operation.
13912 * alpha-protos.h (addition_operation): Declare.
13913 (secondary_reload_class): Likewise.
13914 * alpha.c (addition_operation): New.
13915 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
13916 * alpha.md (adddi3): Turn into expander.
13917 (*lda, *adddi_2): New.
13918 (movsf, movdf patterns): Don't preference integer regs.
13919 (movsi, movdi patterns): Don't preference fp regs.
13921 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
13923 * genrecog.c (write_switch): Check for duplicate CODE cases.
13925 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
13927 * ggc-common.c: Update pre-function commentary.
13928 * ggc-page.c: Likewise.
13930 (poison_pages): Use memset directly.
13931 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
13932 (ggc_collect): Poison before sweeping.
13933 * ggc-simple.c: Update pre-function commentary.
13934 (ggc_alloc_obj): Poison non-zeroed memory.
13936 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
13938 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
13939 match format string, even on 64-bit hosts.
13940 * gcc-page.c (ggc_page_print_statistics): Likewise.
13942 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
13944 * config/i386/i386.c (ix86_cpu): Revert last patch.
13945 * config/i386/i386.h (ix86_cpu): Ditto.
13947 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
13949 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
13950 TYPE_SIZE, convert type of result to sizetype.
13952 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
13954 * flow.c (count_or_remove_death_notes): Equate NULL with the
13957 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
13958 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
13961 * i386.c (pic_label_no): Delete.
13962 (ix86_attr_length_default): Don't use single_set to peek
13965 * recog.c (peephole2_optimize): Allow recog_next_insn to index
13966 the first insn after bb->end.
13967 * i386.md (push mem peeps): Scratch is live after evaluation
13969 (cmp mem peep): Similarly.
13971 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
13973 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
13974 * function.c (pad_to_arg_alignment): Add missing braces.
13976 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13978 * alpha/alpha-protos.h (literal_section): Add prototype.
13979 (alpha_need_linkage, alpha_start_function,alpha_end_function):
13982 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
13984 (alpha_start_function, alpha_end_function, float_strings,
13985 alpha_need_linkage): Constify a char*
13987 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
13989 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
13991 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13993 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13995 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13997 * flow.c (debug_flow_info): Add prototype.
13999 * gcc.c (main): Likewise.
14001 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
14004 * reload1.c (failed_reload, set_reload_reg): Likewise.
14006 * mips-tfile.c (main): Likewise.
14007 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
14008 with ATTRIBUTE_NORETURN.
14010 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
14012 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
14013 DECL is not a memory ref.
14015 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
14017 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
14018 * config/i386/i386.c (ix86_cpu): Add extern attribute.
14020 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
14022 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
14023 * config/mips/elf64.h: ditto.
14025 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
14027 * expr.c (emit_push_insn): New argument alignment_pad.
14028 Update all callers. Adjust stack pointer based on alignment pad.
14029 * function.c (pad_to_arg_alignment): New argument alignment_pad.
14030 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
14031 (locate_and_pad_parm): New argument alignment_pad. Update all
14033 * expr.h (emit_push_insn): Update prototype.
14034 (locate_and_pad_parm): Update prototype.
14035 * calls.c (arg_data): Add new field alignment_pad.
14036 (initialize_argument_information): Initialize alignment_pad.
14038 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
14040 * except.c (free_eh_nesting_info): Free the info itself.
14041 * function.c (free_after_compilation): Don't free NULL.
14042 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
14043 (pre_edge_insert): Free inserted.
14044 * stmt.c (free_stmt_status): Don't free NULL.
14046 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14048 * gcov.c (DIR_SEPARATOR): Provide default.
14049 (output_data): Add test for MS-DOS format absolute filename.
14050 (fancy_abort): Correct program name.
14051 (open_files): Open all files in binary mode.
14052 * libgcc2.c (__bb_exit_func): Likewise.
14054 * profile.c (init_branch_prob): Specify binary when opening files.
14056 * flags.h (flag_unwind_tables): New decl.
14057 * toplev.c (flag_unwind_table): New definition.
14058 (f_options): Add -funwind-tables.
14059 (decode_g_option): Clarify warning when unknown -g option is given.
14060 (rest_of_compilation): If inside an inlined external function,
14061 pretend we are just being declared.
14063 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
14064 (dwarf2out_frame_finish): Likewise.
14066 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
14068 * fold-const.c (merge_ranges): If not in0, but in1, handle
14069 upper bounds equal like subset case.
14071 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
14073 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
14074 passed in a register but moved to the stack.
14076 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
14078 * gcc.c (pass_exit_codes, greatest_status): New variables.
14079 (struct option_map): Add entry for "--pass-exit-codes".
14080 (execute): Update greatest_status if error.
14081 (display_help): Add documentation for -pass-exit-codes.
14082 (process_command): Handle -pass-exit-codes.
14083 (main): Look at pass_exit_codes and greatest_status on call to exit.
14085 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14087 * reload.c (find_reloads): Refine test for no input reload
14088 case to not includes reloads emitted after insn.
14090 * function.c (find_temp_slots_from_address): Handle sum involving
14091 a register that points to a temp slot.
14092 (update_temp_slot_address): Make recursive call if both old and
14093 new are PLUS with a common operand.
14094 * calls.c (expand_call): Mark temp slot for result as having
14097 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
14099 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
14100 component as well as "BINUTILS".
14102 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
14103 * integrate.c (copy_rtx_and_substitute): Likewise.
14104 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
14105 All callers changed.
14106 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
14108 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
14109 gdb extensions, write size of type; also be more consistent
14110 in using references when this is a subtype.
14112 * pa.md (extv, extzv, insv): Use define_expand to reject constant
14113 that is out of range.
14115 * loop.c (unknown_constant_address_altered): New variable.
14116 (prescan_loop): Initialize it.
14117 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
14118 (invariant_p, case MEM): Remove handling for volatile and readonly;
14119 check new variable if readonly.
14120 (check_dbra_loop): Chdeck unknown_constant_address_altered.
14122 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
14123 (addr_affects_sp_p): Removed from note_mem_written and only
14124 define #ifdef AUTO_INC_DEC.
14126 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
14128 * regclass.c (record_reg_classes): Properly handle register move
14131 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
14132 Don't think valid if both operands are invalid.
14133 (struct constant_descriptor): New field RTL.
14134 (mark_const_hash_entry): Mark it.
14135 (record_constant{,_rtx}): Initialize it.
14136 (output_constant_def): Allocate RTL in permanent obstack and
14138 ({record,compare}_constant_1): Modes must match for
14139 CONSTRUCTOR of ARRAY_TYPE.
14141 * c-common.h (initializer_constant_valid_p): Delete decl from here.
14142 * output.h (initializer_constant_valid_p): Move decl to here.
14143 * c-common.c (initializer_constant_valid_p): Delete function from here.
14144 * varasm.c (initializer_constant_valid_p): Move function to here.
14146 * tree.h (STRIP_SIGN_NOPS): New macro.
14147 * fold-const.c (optimize_minmax_comparison): New function.
14148 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
14149 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
14150 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
14151 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
14152 widening conversions.
14153 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
14154 to look at size of mode, not precision of type; also add missing cases.
14155 (optimize_bit_field_compare, decode_field_reference): Don't try to
14156 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
14158 * dwarf2out.c (ctype.h): Include.
14159 (dwarf2out_set_demangle_name_func): New function.
14160 (size_of_line_info): Deleted.
14161 (output_line_info): Compute size of line info table from difference
14163 (base_type_die, add_name_attribute): Call demangle function, if any.
14164 (field_byte_offset): Use bits per word for variable length fields.
14165 (gen_array_type_die): Add array name.
14166 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
14167 (dwarf2out_add_library_unit_info): New function.
14169 * explow.c (set_stack_check_libfunc): New function.
14170 (stack_check_libfunc): New static variable.
14171 (probe_stack_range): Allow front-end to set up a libfunc to call.
14173 * combine.c (simplify_comparison): When making comparison in wider
14174 mode, check for having commuted an AND and a SUBREG.
14175 (contains_muldiv): New function.
14176 (try_combine): Call it when dividing a PARALLEL.
14177 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
14178 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
14180 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
14181 use one of the CLOBBERs instead.
14182 (if_then_else_cond): If comparing against zero, just return thing
14185 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
14186 Don't generate shifts and subtract if have conditional arithmetic.
14188 * rtl.h (delete_barrier): New declaration.
14189 * jump.c (jump_optimize): Set up to handle conditional call.
14190 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
14191 (delete_barrier): New function.
14193 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
14195 * recog.c (nonmemory_operand): Accept ADDRESSOF.
14197 * tree.c (build_type_attribute_variant): Push to obstack of
14198 ttype around type_hash_canon call.
14200 * expr.c (placeholder_list): Move decl to file scope.
14201 (expand_expr): Don't force access to volatile just because its
14203 If ignoring reference operations, just expand the operands.
14204 (expand_expr, case COMPONENT_REF): Propagate
14205 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
14206 Refine test for using bitfield operations vs pointer punning.
14207 (expand_expr, case CONVERT_EXPR): If converting to
14208 BLKmode UNION_TYPE from BLKmode, just return inner object.
14209 Use proper mode in store_field call.
14210 Properly set sizes of object to store and total size in store_field
14211 call for convert to union.
14212 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
14213 memory (like for ADDR_EXPR). Also, don't put constant in register if
14214 we'll want it in memory.
14215 (readonly_fields_p): New function.
14216 (expand_expr, case INDIRECT_REF): Call it if LHS.
14217 (expand_assignment): Handle a RESULT_DECL where
14218 DECL_RTL is a PARALLEL.
14219 (do_jump, case WITH_RECORD_EXPR): New case.
14220 (get_inner_reference): Always go inside a CONVERT_EXPR
14221 and NOP_EXPR if both modes are the same.
14222 (store_field): Use bitfield operations if size of bitsize is not same
14223 as size of RHS's type.
14224 Check for bitpos not a multiple of alignment in BLKmode case.
14225 Do block move in largest possible alignment.
14226 (store_constructor): Set BITSIZE to -1 for variable size and properly
14227 in case of array of BLKmode.
14228 (expand_expr_unaligned): New function.
14229 (do_compare_and_jump): Call it.
14231 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
14232 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
14233 does not include 'o'.
14235 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
14236 both SET_DEST and SET_SRC reference a virtual register.
14237 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
14239 * integrate.c (expand_inline_function): Handle case of setting
14240 virtual stack vars register (from built in setjmp); when parameter
14241 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
14242 (subst_constant): Add new parm, MEMONLY.
14243 (expand_inline_function, integrate_parm_decls): Pass new parm.
14244 (integrate_decl_tree): Likewise.
14245 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
14246 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
14247 (copy_rtx_and_substitute, case SET): Add explicit calls to
14248 copy_rtx_and_substitute for both sides.
14250 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
14252 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
14253 within INDEX_TYPE, instead of before.
14254 (fixup_gotos): Use f->target_rtl, not the next insn,
14255 since latter may be from a later fixup.
14256 (expand_value_return): Correctly convert VAL when promoting function
14257 return; support RETURN_REG being a PARALLEL.
14258 (expand_return): When checking for result in regs and having
14259 cleanup, consider PARALLEL in DECL_RTL as being in regs.
14261 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
14263 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
14264 last_nominal_fname): Mark const.
14265 (struct include_hash: name, nshort, control_macro): Mark
14267 (struct macrodef: symnam): Mark const.
14268 (struct if_stack: fname): Mark const.
14269 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
14270 (IStable): New character-syntax array which encompasses all
14271 the old is_foo arrays.
14272 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
14273 is_space): New macros for interrogating IStable.
14274 (check_macro_name): Kill last argument. All callers changed.
14276 * cppinit.c (initialize_char_syntax): Delete.
14277 (is_idchar, is_idstart, is_hor_space, is_space,
14278 trigraph_table): Delete.
14279 (IStable): New. Initialize with clever macros to avoid
14280 information duplication.
14281 (builtin_array): Table of builtins to get rid of explicit list
14282 in initialize_builtins.
14283 (initialize_builtins): Use builtins_array.
14284 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14285 opts->dollars_in_ident.
14287 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14289 (cpp_parse_expr): Avoid 'format string is not constant'
14290 warning. Use ISGRAPH to identify printable chars.
14291 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14293 (read_and_prescan): Map trigraphs to chars with open-coded
14294 if-else-if-... sequence, not a lookup table.
14295 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14297 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14298 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14299 (check_macro_name): Remove ability to report an invalid
14300 assertion name, which is never used.
14301 (do_line): Constify a couple of char *'s.
14302 * cppmain.c (main): Call cpp_cleanup before returning.
14304 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14306 * ggc.h (struct ggc_statistics): New type.
14307 (ggc_get_size): New function.
14308 (ggc_print_statistics): Likewise.
14309 * ggc-common.c (ggc_stats): New variable.
14310 (ggc_mark_rtx_children): Keep statistics.
14311 (ggc_mark_tree_children): Likewise.
14312 (ggc_print_statistics): New function.
14313 * ggc-page.c (struct globals): Add bytes_mapped field.
14314 (alloc_anon): Update it.
14315 (release_pages): Likewise.
14316 (ggc_get_size): New function.
14317 (ggc_page_print_statistics): New function.
14318 * ggc-simple.c (ggc_get_size): New function.
14320 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14322 * flow.c (propagate_block): When the last reference to a label
14323 before an ADDR_VEC is deleted because the reference is a dead
14324 store, delete the ADDR_VEC.
14326 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14328 * resource.c (find_free_register): Don't use the frame pointer
14329 if frame_pointer_needed.
14331 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14333 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14334 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14336 * config/i960/i960.c (i960_va_start): New locals base, num.
14337 Use INDIRECT_REF instead of ARRAY_REF on valist.
14338 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14340 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14342 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14344 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14346 * tree.def (PLACEHOLDER_EXPR): Update comments.
14348 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14350 * c-common.c (check_format_info): Avoid non-literal format string
14351 warnings when `first_arg_num' is zero.
14353 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14355 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14357 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14359 * arm.md (casesi_insn): Add a clobber of the condition code
14362 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14364 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14365 used by both cc1 and cc1plus.
14367 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14369 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14370 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14371 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14372 to the value 32 if it has not already been defined.
14373 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14374 Override definition in arm.h with a value of 8.
14376 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14378 * c-pragma.c (push_alignment): Don't check the return value
14381 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14383 * sparc.h (ADJUST_COST): Fix thinko.
14385 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14387 * cccp.c (rescan): Fixed obp pointer handling around call to
14388 check_expand subroutine.
14390 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14392 * gcse.c (delete_null_pointer_checks): Only record non-null info
14393 for pseudos when examining stores.
14395 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14396 splitters for these patterns. Use "#" for output templates.
14397 (addsi3_carryin_shift): New pattern.
14399 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14401 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14402 of the function return register into a plain REG until
14403 after function inlining is done.
14405 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14407 * jump.c (jump_optimize_1): If we did cross-jumping, and
14408 the data will matter, rebuild the CFG.
14409 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14410 not optimizing. Don't run shorten_branches.
14411 * toplev.c (rest_of_compilation): Run shorten_branches after
14414 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14416 * rtl.h (note_stores): Add additional paramter.
14417 * rtlanal.c (reg_set_p_1): Take additional paramter.
14418 (reg_set_last_1): Likewise.
14419 (reg_set_p): Adjust call to note_stores.
14420 (reg_set_last): Likewise.
14421 (note_stores): Pass data parameter to worker function.
14422 * alias.c (record_set): Take additional parameter.
14423 (init_alias_analysis): Pass it.
14424 * caller-save.c (mark_set_regs): Take additional parameter.
14425 (save_call_clobbered_regs): Pass NULL to note_stores.
14426 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14428 (record_dead_and_set_regs_1): Likewise.
14429 (reg_dead_at_p_1): Likewise.
14430 (combine_instructions): Adjust calls to note_stores.
14431 (try_combine): Likewise.
14432 (record_dead_insn): Remove.
14433 (record_dead_and_set_regs): Adjust calls to note_stores.
14434 (reg_dead_at_p): Likewise.
14435 * cse.c (invalidate_skipped_set): Take additional parameter.
14436 (cse_check_loop_start): Likewise.
14437 (cse_check_loop_start_value): Remove.
14438 (cse_set_around_loop): Adjust calls to note_stores.
14439 * flow.c (notice_stack_pointer_modification): Take additional
14440 parameter. Remove duplicate declaration.
14441 (record_volatile_insns): Adjust calls to note_stores.
14442 * gcse.c (record_set_info): Take additional parameter.
14443 (record_last_set_info): Likewise.
14444 (invalidate_nonnull_info): Likewise.
14445 (record_set_insn): Remove.
14446 (compute_sets): Adjust calls to note_stores.
14447 (last_set_insn): Remove.
14448 (compute_hash_table): Adjust calls to note_stores.
14449 (insert_insn_end_bb): Likewise.
14450 (delete_null_pointer_checks): Likewise.
14451 * global.c (mark_reg_store): Take additional parameter.
14452 (mark_reg_clobber): Likewise.
14453 (reg_becomes_live): Likewise.
14454 (global_conflicts): Adjust calls to note_stores.
14455 (build_insn_chain): Likewise.
14456 * integrate.c (note_modified_parmregs): Take additional parameter.
14457 (mark_stores): Likewise. Make it static.
14458 (save_for_inline_nocopy): Adjust calls to note_stores.
14459 (try_constants): Likewise.
14460 * integrate.h (mark_stores): Remove declaration.
14461 * jump.c (mark_modified_reg): Take additional parameter.
14462 (thread_jumps): Adjust calls to note_stores.
14463 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14465 (no_equiv): Likewise.
14466 (reg_is_set): Likewise.
14467 (validate_equiv_mem): Adjust calls to note_stores.
14468 (update_equiv_regs): Likewise.
14469 (block_alloc): Likewise.
14470 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14471 (note_addr_stored): Take additional parameter.
14472 (note_set_pseudo_multiple_uses): Likewise.
14473 (record_initial): Likewise.
14474 (prescan_loop): Adjust calls to note_stores.
14475 (strength_reduce): Likewise.
14476 (check_dbra_loop): Likewise.
14477 * regmove.c (flags_set_1): Take additional paramter.
14478 (mark_flags_life_zones): Adjust calls to note_stores.
14479 * reload1.c (mark_not_eliminable): Take additional parameter.
14480 (forget_old_reloads_1): Likewise.
14481 (reload_cse_invalidate_rtx): Likewise.
14482 (reload_cse_check_clobber): Likewise.
14483 (reload_combine_note_store): Likewise.
14484 (move2add_note_store): Likewise.
14485 (reload): Adjust calls to note_stores.
14486 (reload_as_needed): Likewise.
14487 (emit_reload_insns): Likewise.
14488 (reload_cse_regs_1): Likewise.
14489 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14490 (reload_combine): Adjust calls to note_stores.
14491 * resource.c (update_live_status): Take additional paramter.
14492 (mark_target_live_regs): Adjust calls to note_stores.
14493 * stupid.c (find_clobbered_regs): Take additional parameter.
14494 (stupid_life_analysis): Adjust calls to note_stores.
14496 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14498 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14501 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14504 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14505 of the variable arm_structure_size_boundary.
14507 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14509 * alias.c (init_alias_analysis): Allocate reg_known_value and
14510 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14512 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14513 * cse.c (cse_main): Call end_alias_analysis.
14514 * haifa-sched.c (schedule_insns): Likewise.
14515 * local-alloc. (update_equiv_regs): Likewise.
14516 * reload1.c (reload_cse_regs): Likewise.
14518 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14520 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14521 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14522 mapping from MASK_FPU.
14524 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14526 * sparc.md (call): Don't bound structure return size to 0xfff.
14528 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14530 * resource.c (mark_target_live_regs): Check that the target
14531 insn wasn't created after compute_bb_for_insn.
14533 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14535 * ggc-page.c (poison_pages): Don't be overzealous.
14537 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14539 * alias.c: Update comments for ADDRESS.
14540 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14541 it is a local memory reference.
14543 * c-typeck.c (build_function_call): Check that the built-in
14544 function is of class BUILT_IN_NORMAL before trying to recongize
14545 it as BUILT_IN_ABS.
14546 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14547 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14549 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14551 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14553 (pre_gcse): Likewise.
14554 (hoist_expr_reaches_here_p): Likewise.
14555 (hoist_code): Likewise.
14556 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14558 (pre_expr_reaches_here_p_work): ... here.
14559 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14561 (expr_reaches_here_p_work): ... here.
14563 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14565 * resource.c (find_basic_block): Delete.
14566 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14567 (init_resource_info): Call compute_bb_for_insn.
14569 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14571 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14572 with already adjacent blocks, but no fallthru.
14573 (merge_blocks_move_successor_nojumps): Simplify.
14574 (debug_flow_info): New.
14576 * toplev.c (rest_of_compilation): Open jump1 dump file before
14577 jump and close after, as opposed to just using dump_rtl.
14579 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14581 * reload.h (earlyclobber_operand_p): Declare.
14582 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14583 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14584 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14585 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14587 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14588 Richard Henderson <rth@cygnus.com>
14590 * emit-rtl.c (emit_block_insn_before): New.
14591 (emit_block_insn_after): New.
14592 * basic-block.h: Declare them.
14594 * bitmap.h: Protect from multiple inclusion.
14596 * recog.c (scratch_operand): Handle VOIDmode correctly.
14598 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14600 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14601 * function.c (assign_parms): Likewise.
14602 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14604 * reg-stack.c (max_uid): Remove.
14605 (blocks, block_begin, block_end, block_drops_in): Remove.
14606 (block_stack_in, block_out_reg_set, block_number): Remove.
14607 (struct block_info_def, BLOCK_INFO): New.
14608 (enum emit_where): New.
14609 (current_block): New.
14610 (BLOCK_NUM): Remove.
14611 (mark_regs_pat, record_label_references): Remove.
14612 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14614 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14615 (reg_to_stack): Simplified test for existance of fp code. Use
14616 flow.c code. Call shorten_branches after cross-jump opt.
14617 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14618 Return false if the asm doesn't use stack regs. Don't do life
14619 analysis on the asm.
14620 (emit_pop_insn): Replace function pointer arg `when' with
14621 enum `where'. Update all callers.
14622 (change_stack): Likewise. Update basic block end.
14623 (emit_swap_insn): Use current_block->head to limit reverse search
14624 for start of block. Use emit_block_insn_after.
14625 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14626 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14627 structure assignment instead of bcopy.
14628 (print_stack): New.
14629 (convert_regs_entry, convert_regs_exit): New.
14630 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14631 Work on basic blocks and the CFG.
14632 (convert_regs): Use them.
14634 * i386.c (output_fix_trunc): Remove code for DImode input operand
14635 not at top-of-stack.
14636 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14638 (fix_truncdi_1): Allow any mode scratch.
14640 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14642 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14643 * linux.h, netbsd.h, vms.h: Not here.
14645 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14647 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14648 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14649 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14650 CONDITIONAL_REGISTER_USEAGE): Use them.
14651 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14652 gen_conditional_branch,override_options) : Use them.
14653 * config/mips/mips.md : Use them.
14655 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14657 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14659 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14661 * integrate.c (function_cannot_inline_p): Don't allow inlining
14664 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14666 * c-parse.in (cast_expr): Constify.
14668 * cccp.c (special_symbol): Likewise.
14670 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14672 * dwarf2out.c (base_type_die): Likewise.
14674 * global.c (allocno_compare): Likewise.
14676 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14678 * regclass.c (fix_register): Likewise.
14680 * rtl.h (fix_register): Likewise.
14682 * stupid.c (stupid_reg_compare): Likewise.
14684 * toplev.c (decode_f_option): Likewise.
14686 * tree.c (build_complex_type): Likewise.
14688 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14690 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14692 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14694 * reload.c (find_reloads): Compute mode and nregs fields of all
14696 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14697 (calculate_needs): Use precomputed mode/nregs values.
14698 (allocate_reload_reg): Likewise.
14700 (failed_reload, set_reload_reg): ... new functions.
14701 (choose_reload_regs_init): New function, mostly broken out from...
14702 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14703 Also lose one #if 0 block.
14705 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14707 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14710 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14712 * tree.h (BLOCK_TYPE_TAGS): Remove.
14713 (BLOCK_END_NOTE): Likewise.
14714 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14715 (BLOCK_LIVE_RANGE_START): Likewise.
14716 (BLOCK_LIVE_RANGE_END): Likewise.
14717 (tree_block): Remove live_range_flag, live_range_var_flag, and
14718 type_tags. Remove end_note, live_range_start, and live_range_end.
14719 (remember_end_note): Remove prototype.
14720 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14721 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14723 * ggc-common.c (ggc_mark_tree_children): Don't mark
14724 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14725 * integrate.c (adjust_copied_decl_tree): Remove.
14726 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14727 * stmt.c (last_block_end_note): Remove.
14728 (init_stmt): Don't add a GC root for it.
14729 (expand_fixup): Don't set it.
14730 (remember_end_note): Remove.
14731 (expand_end_bindings): Don't set last_block_end_note.
14733 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14735 * reload1.c (reload_reg_free_for_value_p): Show
14736 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14739 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14741 * expmed.c (extract_bit_field): Allow for the case of non-integer
14742 objects that are smaller than a word (like SFmode on a 64-bit
14745 * loop.c (basic_induction_var): A non-integer variable which is
14746 being set by a paradoxical subreg is probably not a biv.
14748 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14750 * prefix.c (translate_name) Check for empty prefix string.
14752 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14754 * Makefile.in (CPP_CROSS_NAME): New variable.
14755 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14757 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14758 names of the files to be uninstalled.
14760 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14762 * collect2.c (IS_DIR_SEPARATOR): Define.
14763 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14765 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14768 * haifa-sched.c (add_dependence): Update the true dependency
14769 cache the first time we add a true dependence to the LOG_LINKS chain.
14771 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14773 * fold-const.c (fold): Fix comment.
14775 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14777 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14778 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14779 dbxout_start_new_source_file, dbxout_source_file,
14780 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14781 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14783 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14784 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14785 (dbxout_block): Initialize variable `blocknum'.
14787 * dbxout.h (dbxout_init, dbxout_finish,
14788 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14789 dbxout_args, dbxout_source_line): Constify a char*.
14791 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14792 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14793 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14794 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14795 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14796 src_info_attribute, mac_info_attribute, producer_attribute,
14797 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14798 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14799 dwarfout_undef): Constify a char*.
14800 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14802 * dwarfout.h (dwarfout_define, dwarfout_undef,
14803 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14805 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14807 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14808 (MULTILIB_ISA_DEFAULT): New.
14809 (MULTILIB_DEFAULTS): Use it.
14810 * config/mips/mips.c (): Remove the now unnecessary definition
14811 of MIPS_ISA_DEFAULT.
14812 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14813 unnecessary definition.
14815 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14817 * arm.md (pic_load_addr): Add constraints to operand 1.
14819 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14821 * fixinc/genfixes: Provide a means for specifying -D options to
14824 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14826 * arm.c (arm_override_options): Correct initialization of
14827 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14828 arm_is_strong, and arm_is_6_or_7.
14830 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14831 (note_set_pseudo_multiple_uses): New function.
14832 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14833 if a pseudo set in the loop exit is used elsewhere.
14835 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14837 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14839 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14841 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14842 a single load-address pattern.
14844 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14846 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14847 depending on whether or not line-number notes are present.
14849 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14851 * cccp.c (progname, file_buf, default_include, include_file,
14852 macrodef, definition, hashval, wchar_type, user_label_prefix,
14853 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
14854 expand_to_temp_buffer, is_system_include, base_name,
14855 absolute_filename, read_name_map, open_include_file,
14856 record_control_macro, check_precompiled, check_preconditions,
14857 pcfinclude, pass_thru_directive, create_definition,
14858 check_macro_name, comp_def_part, collect_expansion,
14859 check_assertion, read_token_list, assertion_install,
14860 assertion_lookup, eval_if_expression, conditional_skip,
14861 validate_else, skip_quoted_string, quote_string, macarg1,
14862 error_from_errno, install, lookup, hashf, dump_defn_1,
14863 perror_with_name, pfatal_with_name, main, trigraph_pcp,
14864 check_white_space, rescan, handle_directive, monthnames,
14865 special_symbol, do_include, remap_include_file, write_output,
14866 arglist, do_assert, do_unassert, do_line, do_error, do_once,
14867 do_ident, do_sccs, do_xifdef, skip_if_group,
14868 output_line_directive, macroexpand, macarg, change_newlines,
14869 initialize_builtins, make_definition): Constify a char*.
14871 * pcp.h (stringdef): Likewise.
14873 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
14875 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
14878 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
14879 Richard Henderson <rth@cygnus.com>
14881 * alias.c: Include ggc.h.
14882 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
14883 (record_set): Verify enough room in reg_base_value.
14884 (init_alias_analysis): Allocate reg_base_value with xcalloc.
14885 Register it as a GC root.
14886 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
14887 * Makefile.in (alias.o): Depend on ggc.h.
14889 * unroll.c (unroll_loop): Verify the insn before a barrier
14890 is a JUMP_INSN before checking JUMP_LABEL.
14892 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14894 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
14895 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
14896 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
14897 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
14898 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
14899 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
14901 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14903 * output.h (ctors_section, dtors_section, bss_section): Prototype.
14905 * alpha/alpha-interix.h (text_section): Delete prototype.
14906 * alpha/elf.h (text_section): Likewise.
14907 * arm/linux-elf.h (text_section): Likewise.
14908 * arm/linux-telf.h (text_section): Likewise.
14909 * c4x/c4x.h (text_section): Likewise.
14910 * dsp16xx/dsp16xx.h (bss_section): Likewise.
14911 * elfos.h (text_section): Likewise.
14912 * i386/aix386ng.h (text_section): Likewise.
14913 * i386/i386-interix.h (text_section): Likewise.
14914 * i386/sco5.h (text_section): Likewise.
14915 * i386/svr3gas.h (text_section): Likewise.
14916 * nextstep.h (text_section): Likewise.
14917 * psos.h (text_section): Likewise.
14918 * ptx4.h (text_section): Likewise.
14919 * svr3.h (text_section): Likewise.
14920 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
14922 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14924 * final.c (peephole): Delete prototype.
14926 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
14927 (pre_insert_copies): Remove unused variable `bb'.
14929 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
14932 * output.h (peephole): Add prototype.
14934 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
14936 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
14939 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
14941 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
14942 for inlined declarations.
14944 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
14946 * arm.c (logical_binary_operator): New fucntion.
14947 * arm.h (logical_binary_operator): Declare it.
14948 (PREDICATE_CODES): Handle logical_binary_operator.
14949 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
14950 output constraints. Add appropriate splitters.
14951 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
14952 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
14953 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
14955 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14957 * genoutput.c (struct operand_data): New elt eliminable.
14958 (output_operand_data): Write it.
14959 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
14960 (compare_operands): Take it into account.
14961 * recog.h (struct insn_operand_data): New elt eliminable.
14962 * reload1.c (check_eliminable_occurrences, elimination_effects): New
14964 (old_asm_operands_vec, new_asm_operands_vec): Delete.
14965 (eliminate_regs): Move code that detects changes to elimination
14966 target regs into new function elimination_effects.
14967 Delete one #if 0 block.
14968 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
14969 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
14970 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
14971 Only call eliminate_regs for real operands of the insn, not for parts
14972 of its structure or parts matched by things like match_operator.
14973 Use elimination_effects and check_eliminable_occurrences. Use
14974 copy_insn to duplicate the pattern when not in the final pass.
14976 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
14978 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
14981 1999-10-22 Bruce Korb <autogen@linuxbox.com>
14983 * fixinc/README: document the "mach" machine matching test
14984 * fixinc/fixfixes.c: Implement the #else/#endif label fix
14985 * fixinc/fixtests.c: Implement the #else/#endif label test
14986 * fixinc/inclhack.def: utilize these tests and fixes
14987 * fixinc/inclhack.sh: regen
14988 * fixinc/fixincl.x: regen
14989 * fixinc/fixincl.sh: regen
14991 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
14993 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
14996 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
14998 * gcc.1: Document exit codes.
15000 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15002 * calls.c: Include tm_p.h later, so everything we need is defined.
15003 * expr.c: Likewise.
15004 * function.c: Likewise.
15006 * except.c: Include tm_p.h.
15008 * sparc.c: Likewise.
15009 (dwarf2out_cfi_label): Don't prototype.
15010 (check_return_regs, epilogue_renumber,
15011 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
15012 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
15013 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
15014 ultra_schedule_insn): Add static prototype.
15015 (data_segment_operand, text_segment_operand): Call itself with the
15016 proper number of arguments.
15017 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
15019 * sparc.h: Move all declarations to sparc-protos.h.
15020 (SELECT_RTX_SECTION): Pass a missing MODE argument to
15023 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
15025 * config/svr4.h (text_section, ctors_section, dtors_section): Add
15027 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
15028 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
15029 ASM_OUTPUT_ASCII): Constify a char*.
15031 * sparc-protos.h: New file for sparc prototypes.
15033 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15035 * function.c (record_insns, contains): Always declare and define.
15036 (record_insns): Mark with ATTRIBUTE_UNUSED.
15038 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15040 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
15041 to .section when outputting a .bss section to deal with multiple
15042 .bss input sections (as happens with -fdata-sections)
15043 Also output %progbits, not @progbits so the assembler doesn't treat as
15045 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
15047 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
15048 thumb parts even when building with non-thumb CPUs, by forcing
15051 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
15053 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
15054 (movdf_const_intreg_sp64): Similarly.
15056 * local-alloc.c (update_equiv_regs): Check the correct insn
15057 for pre-existing REG_EQUIV notes.
15059 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
15061 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
15062 block reached by a branch if we're not going to actually process
15065 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
15067 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
15068 a local extern function declaration.
15070 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
15072 * i386.c (ix86_expand_prologue): Properly wrap USE around
15073 reg for CALL_INSN_FUNCTION_USAGE.
15075 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
15077 * config/mips/mips.md (movdf_internal1a): Allow floating-point
15078 move between GP_REGs.
15080 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
15082 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
15083 the mode size when finding out if an offset is legal.
15085 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
15087 * basic-block.h (PROP_*): Move constants from ...
15088 * flow.c: ... here.
15089 (compute_bb_for_insn): Free the array before reallocating.
15090 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
15091 (allocate_reg_life_data): Reset all reg variables collected by
15093 (get_block_head_tail): Don't convert from bb to block.
15094 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
15095 (find_insn_reg_weight): Take block not bb.
15096 (schedule_block): Don't set block num for moved insns.
15097 (schedule_region): Don't update_life_info or find_insn_reg_weight.
15098 (schedule_insns): Do it here instead.
15099 * combine.c (combine_instructions): Invoke compute_bb_for_insn
15100 before update_life_info.
15101 * recog.c (split_all_insns, peephole2_optimize): Update for
15102 new arg to update_life_info.
15103 * rtlanal.c (remove_note): Cope with NULL note.
15104 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
15107 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
15109 * jump.c (jump_optimize_1): More accurately detect casesi insns.
15111 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
15112 block records so that merge_blocks_nomove will clean up correctly.
15113 (split_edge): Handle casesi insns.
15115 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
15117 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
15119 * pa.md (call, call_value): Do not emit a blockage after restoring
15122 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
15124 * c-typeck.c (c_expand_asm_operands): Fix typo.
15126 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15128 * arm.c (fpu_rhs_operand): Verify modes.
15129 (fpu_add_operand): Likewise.
15130 (di_operand): Likewise.
15131 (soft_df_operand): Likewise.
15133 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
15135 * arm.c (arm_return_in_memory): APCS rules state that the elements
15136 of a structure returned in a register must be 'integer-like'.
15138 1999-10-19 Bruce Korb <autogen@linuxbox.com>
15140 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
15141 in the source tree when the generated targets are out of date
15142 * fixinc/genfixes: Alter it to run individual fixes for make.
15143 * fixinc/README: rewrite
15144 * fixinc/inclhack.def: moved initial comments to README
15146 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
15148 * toplev.c (main): Do not generate an error message if an
15149 unrecognised command line switch is recognisable by another
15150 language. If extra_warnings are enabled, then generate a
15151 warning message instead.
15153 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
15155 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
15156 (insert_pack_attributes): Delete prototype.
15158 * c-pragma.c (default_alignment): New static variable.
15159 (push_alignment): Initialize to current effective alignment.
15160 (pop_alignment): Use to set new alignment.
15161 (insert_pack_attributes): Delete function.
15162 (handle_pragma_token): Set default_alignment as well each time
15163 a #pragma pack(<n>) is encountered.
15165 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
15167 * reg-stack.c (stack_result): Aggregates are not returned in
15170 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15172 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
15174 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
15176 * basic-block.h (set_block_num): Declare.
15177 * flow.c (update_life_info): Don't call compute_bb_for_insn
15178 or free_basic_block_vars.
15179 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
15180 (insn_orig_block): Remove.
15181 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
15182 (schedule_block): Keep BLOCK_NUM up-to-date.
15183 (schedule_insns): Use compute_bb_for_insn.
15184 * recog.c (split_all_insns): Likewise.
15185 (peephole2_optimize): Likewise.
15187 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
15189 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
15190 if the pic register is used.
15192 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15194 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
15195 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
15196 if that tests TREE_PERMANENT.
15198 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
15200 * cse.c (invalidate_for_call): Do not remove memory references from
15201 the table here. It's handled elsewhere.
15203 * haifa-sched.c (add_dependence): Protect references to the
15204 true dependency cache with #ifdef INSN_SCHEDULING.
15205 (remove_dependence): Similarly.
15207 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
15208 to the cfg code that this is a return instruction.
15209 * mn10300.md (return_internal): Similarly.
15211 * combine.c (get_last_value): If the last set of a register
15212 is after subst_low_cuid, then we can not use it to determine
15213 the register's last value.
15215 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15217 * Makefile.in: Back out previous change.
15219 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
15221 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
15223 * haifa-sched.c (add_dependence): Only check/update the cache
15225 (remove_dependence): Likewise.
15226 (schedule_insns): Only create the true_dependency_cache if the
15227 average number of instructions in a basic block is very large.
15229 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15231 * Makefile.in (ggc-common.o): Depend on genrtl.h.
15232 (ggc-simple.o): Likewise.
15233 (ggc-page.o): Likewise.
15235 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
15237 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
15238 Prototype for exported functions.
15239 (pre_lcm, pre_rev_lcm): Remove prototypes.
15240 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
15241 (compute_available): Move to lcm.c, and change parameter order.
15242 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
15243 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
15244 (gcse_main): No longer call compute_preds_succs. Rebuild the
15245 set table after reach pre pass.
15246 (pre_insert_map, pre_delete_map, edge_list): New.
15247 (alloc_pre_mem): Allocate edge vectors.
15248 (free_pre_mem): Delete edge vectors.
15249 (compute_pre_data): Call new edge based lcm routines.
15250 (process_insert_insn): New function.
15251 (insert_insn_end_bb): Use it.
15252 (pre_edge_insert): New function.
15253 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
15255 (pre_insert_copies): Revamp using new edge based lcm outputs.
15256 (pre_delete): Likewise.
15257 (one_pre_gcse_pass): Insert & remove fake edges to the exit
15259 (compute_code_hoist_vbeinout): New new edge based routines.
15260 * lcm.c: Remove all the old LCM functions. Replace with new ones
15261 that work with the new cfg datastructures and work with edges
15264 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15266 * reload.h (struct reload): Add new fields "mode" and "nregs".
15267 * reload1.c: Change all occurrences of reload_mode and reload_nregs
15268 to reference the "mode" and "nregs" field within struct reload.
15270 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
15272 * haifa-sched.c (true_dependency_cache): New.
15273 (add_dependence): Use the true dependency cache to avoid expensive
15274 walks down the LOG_LINKS dependency list. Add entries to the
15275 cache as necessary.
15276 (remove_dependence): Remove entries from the true dependency cache
15278 (schedule_insns): Allocate and initialize and free the true
15281 * haifa-sched.c (schedule_insns): Do not remove inter-block
15282 dependencies anymore.
15284 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15286 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15287 * i386/t-winnt: Likewise.
15289 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15291 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15293 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15295 * Makefile.in (LANGUAGES): Omit "proto".
15296 (clean): Remove stale comment about removing unprotoize.c.
15298 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15300 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15301 using arithmetic on void pointers.
15303 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15305 * haifa-sched.c (compute_block_forward_dependencies): Only check
15306 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15308 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15310 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15311 (expr_equiv_p): Reject memories with different alias sets.
15313 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15315 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15316 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15317 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15318 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15319 (lang_init): Set default for flag_bounds_check if still "unspecified".
15321 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15323 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15325 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15327 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15330 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15332 * config/c4x/c4x.md (*db_noclobber,
15333 *decrement_and_branch_until_zero_noclobber): New patterns and
15334 associated splitters.
15336 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15338 * config/c4x/c4x.md (parallel instruction patterns): Rework
15339 constraints to keep reload happy.
15341 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15343 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15344 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15345 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15346 Add new patterns and associated post-reload splitters.
15348 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15350 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15352 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15354 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15356 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15358 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15360 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15363 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15365 * pa.c (move_operand): Rely on memory_address_p to determine the
15366 validity of non-indexed memory addresses.
15367 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15368 operand in DFmode and SFmode when generating PA2.0 code.
15370 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15372 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15374 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15376 * mips.c (function_prologue): Fix argument types.
15377 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15378 (casesi_internal): Write to the scratch register.
15380 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15382 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15384 (parse_charconst): Delete unnecessary cast when calling
15386 (cpplib.h): Kill prototype of cpp_parse_escape.
15388 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15390 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15391 * unroll.c (unroll_loop): Cast return value of alloca.
15392 * i370/i370.c: Include function.h and toplev.h.
15393 (i370_label_scan): Remove c++ commented abort.
15394 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15395 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15396 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15397 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15399 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15401 * config/t-freebsd: Do not override USER_H.
15402 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15404 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15405 Mumit Khan <khan@xraylith.wisc.edu>
15407 * c-parse.in (component_decl): Support anonymous struct/union.
15409 * c-parse.y: Regenerate.
15410 * c-parse.c: Likewise.
15411 * objc/objc-parse.y: Likewise.
15412 * objc/objc-parse.c: Likewise.
15413 * c-decl.c (finish_struct): Don't sort the fields.
15414 (field_decl_cmp): Delete unused function.
15416 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15418 * sparc.md (movsf_const_intreg): Revert last constraint change.
15419 (movdf_const_intreg_sp32): Likewise.
15421 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15423 * cse.c: Include hashtab.h instead of splay-tree.h
15424 (struct cse_reg_info): No longer use variant union. Add new
15425 field "regno". All references changed to avoid union.
15426 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15427 (free_cse_reg_info): Remove.
15428 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15429 (get_cse_reg_info): Revamp to use expandable hash tables instead
15430 of splay trees. Initialize new fields in cse_reg_info structure.
15431 (new_basic_block): Similarly.
15433 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15435 * genrecog.c (message_with_line): Prototype.
15436 (validate_pattern): Pass along the set for the dest, not a flag.
15437 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15438 Check for PC/CC0 as sources.
15439 (nodes_identical): Check for children position match before
15440 allowing the combination.
15442 * rtl.c (read_rtx): Track line number across \\\n.
15444 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15446 * mips.h (SPECIAL_MODE_PREDICATES): New.
15447 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15448 (movdi+1, movsi+1): Add output reload constraint.
15449 (casesi_internal): Likewise. Fix commentary.
15450 (return_internal): Use pmode_register_operand.
15452 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15454 * 1750a.md (movstrqi): Add missing output reload constraint.
15455 (call_value): Likewise.
15456 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15457 (jmpfdec): Add missing inout reload constraint.
15458 * elxsi.md (addsi patterns): Add missing output reload constraint.
15459 (move from sp): Use @ alternates.
15460 (call_value): No constraint on output.
15461 * fr30.md (movsi_pop): Add missing output reload constraint.
15462 (movsf_constant_store): Likewise.
15463 (splits): Remove constraints.
15464 (subsi3): Add missing mode.
15465 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15466 (call_value): Likewise.
15467 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15468 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15469 * m32r.md (movsicc_internal): Add output reload constraint.
15470 (movstrsi_internal): Add inout reload constraints.
15471 * m88k.h (reg_names): Don't declare.
15472 (SPECIAL_MODE_PREDICATES): New.
15473 * m88k.md (*): Use register_operand not reg_or_0_operand
15475 * mn10200.h (PREDICATE_CODES): New.
15476 * ns32k.md (ffs pattern): Add output reload constraint.
15477 * pdp11.md (sob pattern): Add inout reload constraint.
15478 * sh.md (splits): Remove constraints.
15479 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15480 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15481 * vax.md (jgequ pattern): Add inout reload constraint.
15483 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15485 * configure.in (djgpp): Revert previous patch.
15486 * configure: Rebuit.
15487 * config/i386/djgpp.h: Revert previous patch.
15489 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15491 * fixinc/inclhack.def: Restore patch lost during last merge of
15492 "no_bogosity" branch.
15493 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15495 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15497 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15498 * fixinc/inclhack.def: Same.
15499 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15501 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15503 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15504 as the base of a PLUS.
15506 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15508 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15509 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15511 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15513 * pa.md (post_stw+1): Use pmode_register_operand.
15514 (dcacheflush, icacheflush): Likewise.
15516 * i386.md (movstricthi_1): Allow r/r.
15518 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15520 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15521 to (not (and (arg0) (arg1))). Similary for and.
15523 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15524 fallthrough to associate code.
15525 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15528 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15529 no bits in common; remove XOR to ROTATE conversion.
15531 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15533 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15535 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15537 * config/c4x/c4x.c (dst_operand): New.
15538 (PREDICATE_CODES): Update.
15539 * config/c4x/c4x.h (dst_operand): Declare it.
15540 * config/c4x/c4x.md: Define mode for each unspec usage.
15541 (move patterns): Use dst_operand predicate instead of src_operand.
15542 (movqi_update, movqf_update): Delete.
15544 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15546 * recog.c (pmode_register_operand): New.
15547 * recog.h: Declare it.
15548 * genrecog.c (pred_codes): Likewise.
15549 (special_mode_pred_table): Likewise.
15550 (validate_pattern): Don't warn no mode for address_operand.
15552 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15553 if the operand is not insn-like.
15555 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15556 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15558 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15560 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15562 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15563 instead of general_operand in a SET_DEST. Use const_double_operand
15564 instead of an explicit test against CONST_DOUBLE.
15565 (movsf_const_lo): Add missing register mode.
15566 (goto_handler_and_restore): Add auxiliary test for Pmode.
15567 (flush): Adjust to use address_operand.
15568 (return_sf_no_fpu): Add missing output constraint.
15570 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15572 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15573 for call return value.
15574 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15576 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15578 * toplev.c (main): Only warn about options for other languages.
15579 * collect2.c (main): Pass -w to sub-gcc.
15581 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15583 * flow.c (propagate_block): Add call-clobbered registers to
15586 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15587 zapping mem_set_list.
15588 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15589 (mark_set_1, mark_used_regs): Likewise.
15591 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15593 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15595 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15597 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15598 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15599 options. Also add a new item "C-only Warning Options" to the
15602 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15604 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15605 from multiple calls.
15607 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15609 * i386.md (call value patterns): Move to the end of the file.
15610 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15612 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15614 * configure.in (djgpp configuration): Define extra_objects..
15615 * configure: Rebuilt.
15616 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15617 (DTORS_SECTION_ASM_OP): Define.
15618 (INIT_SECTION_ASM_OP): Define.
15619 (FINI_SECTION_ASM_OP): Define.
15620 (DATA_SECTION_ASM_OP): Define.
15621 (TEXT_SECTION_ASM_OP): Define.
15622 (EH_FRAME_SECTION_ASM_OP): Define.
15623 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15624 (STARTFILE_SPEC): Add crtbegin.o.
15625 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15626 to here from LINK_COMMAND_SPEC.
15627 (DO_GLOBAL_CTORS_BODY): Define.
15628 (CRTSTUFF_USE_FINI_SECTION): Define
15629 (HAS_INIT_SECTION): Delete.
15631 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15633 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15635 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15637 * pa.h (PREDICATE_CODES): New.
15639 * genrecog.c (validate_pattern): Condense the destination
15640 non-lvalue message.
15642 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15644 * alpha.md (call-1): Supply missing mode for operator.
15645 (*): Add missing output reload constraints. Remove constraints
15646 from define_splits.
15648 * i386.h (SPECIAL_MODE_PREDICATES): New.
15649 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15650 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15651 (addsi_lea_3): Add missing mode for op 3.
15652 (prologue_set_got, prologue_get_pc): Add missing modes.
15653 (*) Add missing output reload constraints.
15655 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15657 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15658 check for member bit-size overflow and use var_size if it occurs.
15659 (layout_record): Use bitsize_int() to define the type size in bits.
15660 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15661 (layout_decl): Likewise when assigning to DECL_SIZE.
15663 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15665 * genrecog.c (validate_pattern): Typo last change. Verify
15666 that output operands have output reloads.
15668 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15670 * genrecog.c (special_mode_pred_table): New.
15671 (NUM_SPECIAL_MODE_PREDS): New.
15672 (find_operand): New.
15673 (validate_pattern): New argument `insn'. Warn for assignment to
15674 any predicate accepting non-lvalues. Conditionaly warn for
15675 match_operand without a mode. Try much harder to match source
15676 and destination modes on a set.
15677 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15679 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15681 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15683 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15685 * combine.c (simplify_logical): Recognize xor pattern that encodes
15688 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15690 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15693 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15695 * ggc-page.c (MAP_FAILED): Provide default.
15697 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15699 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15700 * sparc.h (PREDICATE_CODES): Update.
15702 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15704 * alpha.c (some_ni_operand): New.
15705 * alpha-protos.h: Declare it.
15706 * alpha.h (PREDICATE_CODES): Update.
15707 * alpha.md (sXaddq reload insns): Use some_ni_operand
15708 for SET_DEST instead of some_operand.
15710 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15711 Jim Wilson <wilson@cygnus.com>
15713 * genrecog.c (maybe_both_true_2): Don't compare modes of
15715 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15716 after find_afterward.
15717 (debug_decision_1): Dump next and afterward codes.
15719 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15721 * rtl.c (dump_and_abort): Remove.
15722 (fatal_with_file_and_line): New.
15723 (fatal_expected_char): New.
15724 (read_rtx_lineno, read_rtx_filename): New.
15725 (read_skip_spaces): Track line number.
15726 (read_name): Use fatal_with_file_and_line.
15727 (read_rtx): Use fatal_expected_char. Track line number.
15728 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15730 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15731 if it isn't a CODE_LABEL.
15733 * genattr.c (main): Set read_rtx_filename.
15734 * genattrtab.c (main): Likewise.
15735 * gencodes.c (main): Likewise.
15736 * genconfig.c (main): Likewise.
15737 * genemit.c (main): Likewise.
15738 * genextract.c (main): Likewise.
15739 * genflags.c (main): Likewise.
15740 * genopinit.c (main): Likewise.
15741 * genoutput.c (main): Likewise.
15742 * genpeep.c (main): Likewise.
15744 * genrecog.c (decision_test.u.insn): Add `lineno'.
15745 (pattern_lineno, error_count): New variables.
15746 (message_with_line): New.
15747 (add_to_sequence): Break out checking code to ...
15748 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15749 (merge_insn): Use message_with_line.
15750 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15751 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15753 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15755 * expr.c (store_constructor): Clear union if constructor is empty.
15757 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15759 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15760 Add !endian checks. Change %{...} to %(...).
15762 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15764 * i386.md (*addsi3_cc): Renamed from addcsi3.
15765 (*addsi3_carry): Renamed from addxsi3.
15766 (*subsi3_cc): Renamed from subcsi3.
15767 (*subsi3_carry): Renamed from subxsi3.
15768 (*xorqi_cc_1): Renamed from xorcqi_1.
15769 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15770 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15772 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15774 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15775 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15777 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15779 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15780 climb up the chain of insns.
15782 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15784 * genrecog.c (write_subroutine): Careful for null trees.
15785 (process_tree): Don't elide empty functions.
15787 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15789 * Makefile.in (genrtl.o): Depend on ggc.h.
15790 * configure.in (valloc): Probe for it.
15791 (with-gc): Use ggc-page if valloc present.
15792 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15793 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15794 (ggc_alloc_string): Moved from ggc-page.c.
15795 * ggc-none.c (ggc_alloc_obj): New.
15796 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15797 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15798 (struct globals): Likewise for dev_zero_fd.
15799 (init_ggc): Likewise for it's initialization.
15800 (ggc_allocated_p): Move careful dereference from ...
15801 (ggc_lookup_page_table): ... here. Delete.
15802 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15803 (alloc_anon): Use valloc if no mmap.
15804 (release_pages): Use free if using valloc.
15805 (ggc_alloc_obj): Renamed from alloc_obj.
15806 (ggc_set_mark): Renamed from mark_obj.
15807 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15808 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15809 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15810 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15811 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15812 (ggc_collect): Use fp printing instead of our own rounding.
15813 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15814 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15815 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15816 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15817 (struct ggc_string, struct ggc_any): Delete.
15818 (offsetof): Provide default definition.
15819 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15821 (struct ggc_mem): New, from corpse of ggc_any.
15822 (struct ggc_status): Delete.
15823 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15824 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15825 (n_strings_collected, n_anys_collected): Delete.
15826 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15827 (ggc_alloc_string, ggc_alloc): Delete.
15828 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15829 (ggc_free_string, ggc_free_any): Delete.
15830 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15831 (ggc_compare_addresses, ggc_mark_string): Delete.
15832 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15833 (search_data): Delete.
15834 (struct globals): New.
15835 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15836 (tree_insert, tree_lookup): New.
15837 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15838 (clear_marks, sweep_objs): New.
15839 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15840 (init_ggc): Set allocated_last_gc.
15841 (ggc_push_context): Gut. Use G.context.
15842 (ggc_pop_context): Likewise.
15843 (ggc_pop_context_1): New.
15844 (debug_ggc_tree): New.
15845 (debug_ggc_balance, tally_leaves): New.
15846 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15847 (ggc_mark_string_if_gcable): Remove decl.
15848 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15849 (ggc_mark_rtvec_children): New.
15850 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15851 (ggc_mark_if_gcable): New decl.
15852 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
15853 (ggc_alloc_tree, ggc_alloc): Likewise.
15854 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
15855 (ggc_alloc_obj): New decl.
15856 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
15857 (ggc_alloc_tree, ggc_alloc): Likewise.
15858 (ggc_set_mark): New decl.
15859 * rtl.h (struct rtx_def): Remove gc_mark.
15860 (struct rtvec_def): Likewise.
15861 * tree.h (struct tree_common): Likewise.
15863 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
15865 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
15866 float_format and thread_file definitions.
15867 * configure: Rebuilt.
15869 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
15871 * extend.texi (Function Names): Document types of function names.
15873 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15875 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15876 an earlyclobbered output conflict with RELOAD_INPUT reloads.
15878 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15880 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
15882 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15884 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
15886 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
15888 * collect2.c (main): Do prelimnary link on AIX if rflag.
15890 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15892 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
15893 __CTOR_LIST__ in opposite order, which is the correct order for sorted
15895 (__do_global_dtors): similarly for __DTOR_LIST__.
15897 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15898 Diego Novillo <dnovillo@cygnus.com>
15900 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
15903 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
15905 * fixincl/*: Merged "no_bogosity" branch
15906 * fixincl/fixlib.h: protect against doubly defining t_bool
15907 * fixincl/server.h: protect against doubly defining t_bool
15909 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
15911 * genoutput.c: Include toplev.h.
15913 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
15915 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
15917 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
15918 * configure: Regenerate.
15920 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15922 * gcse.c (delete_null_pointer_checks): Returns void.
15924 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15926 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
15927 * emit-rtl.c (copy_insn_1): Likewise.
15929 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15931 * config/mips/mips.c (mips_build_va_list): Correct
15932 TREE_CHAIN setting when hard-float.
15933 (mips_va_start): Use corrected setting.
15934 (mips_va_arg): Likewise. Also pass a tree to build of
15935 POSTINCREMENT_EXPR rather than a naked 'int'.
15937 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
15939 * ggc.h (ggc_push_context): Fix comment.
15940 (ggc_pop_context): Likewise.
15941 (mark_string_if_gcable): Likewise.
15942 * ggc-common.c (ggc_mark_rtx_children): Use
15943 ggc_mark_string_if_gcable.
15944 * ggc-page.c (ggc_lookup_page_table): New function.
15945 (ggc_allocated_p): Likewise.
15946 (mark_obj): Fix formatting.
15947 (ggc_mark_string_if_gcable): New function.
15948 * ggc-simple.c (ggc_allocated_strings): New variable.
15949 (ggc_strings_used): Likewise.
15950 (ggc_compare_addresses): New function.
15951 (ggc_pop_context): Pop the `any' memory too.
15952 (ggc_mark_string_if_gcable): New function.
15953 (ggc_collect): Initialize and tear down ggc_allocated_strings.
15955 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
15957 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
15958 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
15959 * rs6000.c (expand_block_move): Match movstrsi_?reg register
15962 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
15964 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
15965 (sched_reg_live_length, sched_reg_basic_block): Delete.
15966 (current_block_num, bb_live_regs, old_live_regs): Delete.
15967 (dead_notes, struct sometimes): Delete.
15968 (sched_note_set, birthing_insn_p): Delete.
15969 (adjust_priority): Gut useless reg lifetime code.
15970 (create_reg_dead_note, attach_deaths): Delete.
15971 (attach_deaths_insn, new_sometimes_live): Delete.
15972 (finish_sometimes_live): Delete.
15973 (find_pre_sched_live, find_post_sched_live): Delete.
15974 (update_reg_usage): Delete.
15975 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
15976 (schedule_insns): Delete reg lifetime code.
15977 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
15978 (unlink_other_notes): Adjust REG_NOTE commentary.
15979 (reemit_notes): Use REG_SAVE_NOTE.
15980 (schedule_block): Likewise.
15981 (schedule_region): Allocate bitmap of blocks in region. Use
15982 count_or_remove_death_notes. Use update_life_info.
15984 * rtl.h (REG_SAVE_NOTE): New.
15985 * rtl.c (reg_note_name): Update.
15987 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
15989 * combine.c (refresh_blocks, need_refresh): New.
15990 (combine_instructions): Allocate refresh_blocks. Invoke
15991 update_life_info if needed.
15992 (distribute_notes): Mark refresh_blocks instead of installing
15994 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
15995 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
15997 * Makefile.in (recog.o): Depend on basic-block.h.
15999 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
16001 * genrecog.c (add_to_sequence): Thinko last change: delete
16002 shadowing allow_const_int variable.
16004 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16006 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
16007 __GNUC__ and __GNUC_MINOR__.
16009 * gansidecl.h: Likewise.
16015 * toplev.h: Likewise.
16017 * tree.c: Likewise.
16019 * tree.h: Likewise.
16021 * varray.c: Likewise.
16023 * varray.h: Likewise.
16025 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16027 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
16028 use one before a jump table.
16030 * rtl.def (ADDRESS): Change documentation to match reality.
16031 * md.texi: Don't document it.
16032 * gmicro.md (load address pattern): Use 'p' constraint, delete use
16035 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
16037 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
16039 * genrecog.c (add_to_sequence): Move allow_const_int test outside
16040 known predicate block; default allow_const_int true.
16041 (debug_decision_list): New.
16043 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
16045 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
16047 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
16049 * gcse.c (gcse_main): Avoid global optimizations if we have a
16050 large number of basic blocks and the ratio of edges to blocks
16052 (delete_null_pointer_checks): Likewise.
16054 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
16056 * c-common.c (check_format_info): Warn if format string isn't a
16059 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16061 * configure.in (arm*-*-*): Don't let autoconf remove brackets
16062 * configure: regenerate
16064 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
16066 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
16067 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
16068 (peepholes): Re-enable.
16070 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
16072 * Makefile.in (flow.o): Depend on TREE_H.
16073 * basic-block.h (REG_SET_EQUAL_P): New.
16074 (XOR_REG_SET): New.
16075 (n_edges): Declare.
16076 (free_regset_vector): Remove declaration.
16077 (flow_delete_insn_chain): Declare.
16078 (enum update_life_extent): New.
16079 (update_life_info, count_or_remove_death_notes): Declare.
16080 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
16081 Verify register live at bb->global_live_at_start before adding USE.
16082 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
16083 (CLEAN_ALLOCA): New.
16085 (PROP_*): New flags.
16086 (find_basic_blocks_1): Use alloc_EXPR_LIST.
16087 (clear_edges): Zero n_edges.
16088 (make_edge): Increment n_edges.
16089 (split_edge): Don't allocate bb->local_set. Increment n_edges.
16090 (flow_delete_insn_chain): Export.
16091 (delete_block): Decrement n_edges.
16092 (merge_blocks_nomove): Likewise.
16093 (life_analysis): Give life_analysis_1 PROP flags.
16094 (verify_wide_reg_1, verify_wide_reg): New.
16095 (verify_local_live_at_start): New.
16096 (update_life_info): Rewrite to call into propogate_block.
16098 (mark_regs_live_at_end): After reload, if epilogue as rtl,
16099 always mark stack pointer. Conditionally mark PIC register.
16100 After reload, mark call-saved registers, return regsiters.
16101 (life_analysis_1): Accept PROP flags not remove_dead_code.
16102 Call mark_regs_live_at_end before zeroing regs_ever_live.
16103 Use calculate_global_regs_live. Copy global_live_at_end before
16104 calling final propagate_block. Zero reg_next_use on exit.
16105 (calculate_global_regs_live): New.
16106 (allocate_bb_life_data): Don't allocate bb->local_set.
16107 (init_regset_vector, free_regset_vector): Remove.
16108 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
16109 Test flags before every operation. Warn if prologue/epilogue insn
16110 would have been deleted.
16111 (mark_set_regs, mark_set_1): Accept and use FLAGS.
16112 Use alloc_EXPR_LIST.
16113 (mark_used_regs): Accept and use FLAGS, not FINAL.
16114 Remove special handling for RETURN.
16115 (try_pre_increment): Use alloc_EXPR_LIST.
16116 (dump_flow_info): Dump n_edges.
16117 (unlink_insn_chain, split_hard_reg_notes): Remove.
16118 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
16119 (find_insn_with_note, new_insn_dead_notes): Remove.
16120 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
16121 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
16122 (replace_insns): Remove.
16123 (count_or_remove_death_notes): New.
16124 (verify_flow_info): Abort on error after all checks.
16125 (remove_edge): Decrement n_edges.
16126 (remove_fake_edges): Tweek format.
16127 * haifa-sched.c (schedule_insns): Use split_all_insns.
16128 * output.h (update_life_info): Remove declaration.
16129 * recog.c (split_all_insns): From the corpse of split_block_insns,
16130 do the whole function block by block. Use update_life_info.
16131 (recog_last_allowed_insn): New.
16132 (recog_next_insn): Mind it.
16133 (peephole2_optimize): Set it. Walk backwards through blocks.
16134 Use update_life_info.
16135 * rtl.h (update_flow_info, replace_insns): Remove declarations.
16136 (split_all_insns): Declare.
16137 * toplev.c (rest_of_compilation): Thread prologue before flow2.
16138 Use split_all_insns.
16140 * i386.md (or -1 peep2s): Disable.
16142 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
16144 * config/mips/mips.md (movstrsi+[123]) : Combine these into
16145 a single pattern. Scrap the 'd' versions as unnecessary.
16147 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
16148 tablejump_mips162,tablejump_internal4): The operands to a
16149 label_ref must be VOIDmode.
16151 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16153 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
16155 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16157 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
16159 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16161 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
16162 cache every function if ggc_p.
16164 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16166 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
16167 instead of copy_rtx. Accept sequences that contain asm statements.
16168 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
16169 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
16170 orig_asm_operands_vector, copy_asm_operands_vector,
16171 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
16173 * rtl.h (copy_insn, copy_insn_1): Declare.
16175 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16177 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
16179 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
16180 arguments to `current_file_function_operand'.
16182 * genrecog.c: Include hard-reg-set.h and resource.h in the
16183 generated output file.
16185 * real.c: Include tm_p.h.
16187 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16189 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
16192 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
16194 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
16195 before the fctiwz insn.
16197 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16198 Mark Mitchell <mark@codesourcery.com>
16200 * tree.c (make_lang_type_fn): New funtion pointer.
16201 (make_lang_type): Call it.
16202 * tree.h (make_lang_type): Declare.
16203 (make_lang_type_fn): Likewise.
16204 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
16206 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
16208 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
16209 make sure that HIGH instructions are copied into BASE_REGS.
16211 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
16213 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
16215 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
16217 * c-decl.c (finish_struct): Use simpler method of
16218 removing elements of a singly-linked list.
16220 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
16222 * alpha.md (peephole2's): Comment out peephole2's that generate
16225 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
16227 * genrecog.c (add_to_sequence): Disable mode check for
16230 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16232 * ggc-simple.c (init_ggc): Set empty_string.
16234 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
16236 * configure.in: Detect mmap. Add --with-gc=foo to select
16237 garbage collector; default to page if mmap available.
16238 * Makefile.in (GGC): Substitute.
16240 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
16242 * c-decl.c (ggc_p): Enable.
16244 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16246 * flow.c (verify_flow_info): Make it extern & unconditionally define.
16248 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
16250 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
16251 string for little-endian-data.
16253 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
16255 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
16256 case somebody tries to compile --enable-checking code with gcc
16259 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
16261 * genrecog.c (add_to_sequence): Verify operand to label_ref is
16264 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
16266 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
16267 * jump.c (jump_optimize_1): Document why.
16269 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16271 * collect2.c (scan_prog_file, scan_libraries): Prototype function
16272 pointers and casts for `int_handler' and `quit_handler'.
16274 * flow.c (verify_flow_info, split_hard_reg_notes,
16275 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
16276 remove_edge, remove_fake_successors): Add static prototypes.
16277 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
16278 (mark_set_1): Initialize variable `regno'.
16279 (unlink_insn_chain): Likewise for variable `curr'.
16280 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16282 * loop.c (strength_reduce): Initialize variable
16283 `unrolled_insn_copies'.
16284 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16285 prototypes. Change these functions to take const PTR parameters
16286 to avoid prototype conflict when used as the comparson argument
16288 (check_dbra_loop): Initialize variable `comparison_val'.
16290 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16291 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16292 (find_valid_class): Initialize variable `best_class'.
16293 (find_reloads): Call memcpy, not bcopy.
16295 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16296 (hard_reg_use_compare): Don't needlessly cast away const.
16297 (reload_reg_class_lower): Likewise.
16298 (choose_reload_regs): Initialize variable `regno'.
16300 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16302 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16304 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16306 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16307 ({,d}discard): Add forward declarations. Declare parameter as
16309 (main_without_main): Explicitly declare return type to be int.
16310 (memcpy): Properly declare.
16312 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16313 building the trampoline support, declare malloc, free, and
16315 (__clear_cache): Mark arguments as potentially unused.
16317 * frame.c (toplevel): If inhibit_libc is defined, declare
16320 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16322 * flow.c (make_edge): Accept an optional 2D bitmap in which
16323 to cache edge existence. Update all callers.
16324 (make_label_edge, make_eh_edge): Pass through the edge cache.
16325 (make_edges): Provide the cache.
16327 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16329 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16331 (local_mbtowc): Change the type of variable `i' from int to size_t.
16333 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16334 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16336 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16338 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16339 after other includes that define the appropriate types. Include
16340 tm_p.h for getting user prototypes.
16341 * ggc-callbacks.c (toplevel): Ditto.
16342 * ggc-none.c (toplevel): Ditto.
16343 * gcc-page.c (toplevel): Ditto.
16344 * ggc-simple.c (toplevel): Ditto.
16346 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16347 Jonathan Larmour <jlarmour@cygnus.co.uk>
16349 * config/mips/mips.c (mips_move_2words): Split doubles if
16350 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16352 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16354 * genrecog.c (struct decision_test): New.
16355 (struct decision): Remove test-related members, sort the rest by size.
16356 (IS_SPLIT): Simplify.
16357 (new_decision, new_decision_test): New.
16358 (add_to_sequence): Use them. No special handling for args of
16360 (maybe_both_true): Renamed from not_both_true; return sense changed.
16361 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16362 of maybe_both_true and adjusted for decision_test.
16363 (position_merit): Remove.
16364 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16365 (merge_accept_insn): New, broken out of merge_trees.
16366 (merge_trees): Use them. No special case for c_test; no node
16367 splitting; use test type instead of position_merit.
16368 (factor_tests): New.
16369 (simplify_tests): New.
16370 (break_out_subroutines): Don't write code now.
16371 (find_afterward): New.
16372 (write_afterward, write_switch, write_cond): New.
16373 (write_action, is_unconditional): New.
16374 (write_node): New. Use them.
16375 (write_tree_1): Rewrite. Use the new functions above.
16376 (write_tree): Remove afterward processing.
16377 (write_subroutine): Simplify function variant emission.
16378 (write_subroutines): New.
16379 (same_codes, clear_codes): Remove.
16380 (same_modes, clear_modes): Remove.
16381 (write_header): New, broken out of main.
16382 (make_insn_sequence): Use new_decision and new_decision_test.
16383 (process_tree): New, broken out of main.
16384 (main): Adjust for merge_trees interface change.
16385 Don't #define operands in the output file.
16386 (record_insn_name): New, broken out of make_insn_sequence.
16387 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16388 (debug_decision): New.
16390 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16392 * resource.c (find_free_register): Mark class_str argument const.
16393 * resource.h: Update prototype to match.
16395 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16396 * i386.md: Give all anonymous insns names.
16398 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16400 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16403 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16405 * toplev.c (dbr_sched_time): Unconditional.
16406 (peephole2_time): New.
16407 (compile_file): Add pass numbers to all of the dump file suffixes.
16408 Dump peephole2_time. Don't dump times for non-applicable passes.
16409 (rest_of_compilation): Add pass numbers to dump file suffixes.
16410 Conditionalize calls to the scheduler.
16411 * invoke.texi: Update.
16413 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16415 * flow.c (make_edges): Fix insn iteration.
16416 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16417 (find_basic_blocks_1): Fix spelling mistake.
16419 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16421 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16422 always have side-effects. Use memset not bzero.
16423 (make_node): Likewise.
16425 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16427 * stmt.c (expand_anon_union_decl): When any of the elements of the
16428 union is addressable, so is the entire union.
16430 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16432 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16434 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16435 * bitmap.c (bitmap_operation): Return true iff TO changed.
16436 (bitmap_equal_p): New.
16437 (bitmap_bit_p): Tidy arithmetic.
16438 (debug_bitmap_file): Likewise.
16440 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16442 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16443 before cse2 instead of after.
16445 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16447 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16450 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16452 * cppinit.c (is_idchar initializer): Loosen tests to accept
16455 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16457 * mips.md: Define conditional move patterns for floating point
16458 operands and DI mode conditions.
16460 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16462 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16463 always have side-effects.
16465 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16467 * mn10200.c (asm_file_start): Fix typo.
16469 * cppinit.c (is_idchar initializer): Tighten tests for when
16470 to put the table into initialized memory.
16472 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16473 not an array of rtunion.
16474 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16475 * gcc-simple (ggc_free_rtvec): Similarly.
16477 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16480 * mbchar.h: Add missing #endif.
16482 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16483 (FPBIT, DPBIT): Define.
16485 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16487 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16489 * profile.c (instrument_arcs, output_gcov_string,
16490 tablejump_entry_p): Add static prototypes.
16491 (output_gcov_string): Constify a char*.
16493 * regmove.c (replacement_quality, fixup_match_2): Add static
16496 * resource.h (reg_dead_p): Add extern prototype.
16498 * rtl.c (trim_filename): Add static prototype.
16500 * scan-decls.c (skip_to_closing_brace): Likewise.
16502 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16503 (expand_end_case): Initialize variable `range'.
16504 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16506 * varasm.c (asm_emit_uninitialised): Add static prototype.
16507 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16510 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16512 * cpplib.c (if_directive_nameo): Add static prototype.
16514 * cse.c (cse_insn): Remove unused variable `p'.
16516 * except.c (create_rethrow_ref, push_entry,
16517 receive_exception_label, new_eh_region_entry, find_func_region,
16518 clear_function_eh_region, process_nestinfo): Add static prototypes.
16519 (get_reg_for_handler): Hide definition.
16520 (process_nestinfo): Initialize variable `extra_handlers'.
16522 * expr.h (expand_builtin_longjmp): Add extern prototype.
16524 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16526 * function.c (prepare_function_start): Likewise.
16527 (pop_function_context_from): Mark parameter `context' with
16529 (push_temp_slots_for_block, flush_addressof): Hide definition.
16531 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16532 solve_program_flow_graph, calculate_branch_probs,
16533 function_summary, main, fancy_abort): Add prototypes.
16535 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16536 (add_hash): Constify a char*.
16538 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16539 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16540 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16542 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16544 * lists.c (free_list, zap_lists): Likewise.
16546 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16548 * alias.c (nonlocal_reference_p): Add static prototype.
16550 * bitmap.c (bitmap_element_allocate): Prototype args in function
16553 * builtins.c (stabilize_va_list): Add static prototype.
16554 (expand_builtin_va_arg): Constify a char*.
16556 * c-lex.c (getch, put_back, extend_token_buffer_to,
16557 read_line_number, token_getch, token_put_back): Add static
16560 * c-parse.gperf (hash, is_reserved_word): Likewise.
16562 * cccp.c (is_dir_separator): Likewise.
16564 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16566 * graph.h: New file to prototype functions exported by graph.c.
16568 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16570 * graph.c: Include graph.h.
16572 * toplev.c: Likewise. Remove redundant prototypes.
16574 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16576 * invoke.texi: Removed duplicated description for -Q.
16578 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16580 * extend.texi: Grammar fix in __extension__ text.
16582 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16584 * md.texi (define_peephole2): New section.
16586 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16588 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16589 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16592 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16594 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16596 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16598 * i386.md (ffs expander): Emit Pentium friendly code for
16601 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16603 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16605 (build1): Likewise.
16607 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16609 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16611 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16613 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16614 register is in use.
16616 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16618 * md.texi (No Constraints): Delete section.
16619 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16620 * final.c (final_scan_insn): We always have register constraints.
16621 * genattrtab.c: Don't include "insn-config.h".
16622 (write_attr_case): We always have register constraints.
16623 * genconfig.c (register_constraint_flag): Delete.
16624 (walk_insn_part): Don't check whether we have register constraints.
16625 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16626 * genoutput.c (have_constraints): Delete.
16627 (main): Don't set it.
16628 (output_operand_data): We always have constraints.
16629 (scan_operands): Likewise.
16630 (compare_operands): Likewise.
16631 * local-alloc.c (block_alloc): We always have constraints.
16632 (requires_inout): Always compile this function.
16633 * recog.c (extract_insn): We always have constraints.
16634 (constrain_operands, reg_fits_class_p): Always compile these
16636 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16638 (struct insn_operand_data): Likewise.
16639 * regclass.c (regclass): We always have constraints.
16640 (record_reg_classes, copy_cost, record_address_regs,
16641 auto_inc_dec_reg_p): Always compile these functions.
16642 * regmove.c (regmove_optimize): We always have constraints.
16643 * reload.c (find_reloads): Likewise.
16644 * reload1.c (reload): Likewise.
16645 (reload_cse_simplify_operands): Likewise.
16646 * i860.c (output_delay_insn): Likewise.
16648 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16650 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16652 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16654 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16655 for the va_list record.
16657 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16659 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16662 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16664 * alias.c: Include insn-flags.h.
16665 * Makefile.in (alias.o): Update.
16667 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16669 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16670 to LTU and GEU. Handle more cases using sbb.
16672 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16674 * i386.md (truncatexfdf splitters): Do not use subreg.
16675 (fop XFmode patterns): Fix mode in operand testing.
16677 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16679 * jump.c (jump_optimize_1): Amend last change to test only the
16680 form of the operand, not the insn.
16682 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16683 not register_operand to determine when B may need preloading.
16685 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16687 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16688 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16689 (call-value patterns): Move to end of file.
16690 (*): Remove mode from label_ref in (pc) context.
16691 (movstrqi): Use memory not general_operand for BLKmode operands.
16692 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16693 to register_operand operands.
16694 (peep2 patterns): Convert from commented-out peephole patterns.
16696 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16698 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16699 to BUILT_IN_INIT_DWARF_REG_SIZES.
16700 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16701 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16702 expand_builtin_init_dwarf_reg_sizes.
16703 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16704 with __builtin_init_dwarf_reg_size_table.
16705 * dwarf2out.c (struct reg_size_range): Delete.
16706 (expand_builtin_init_dwarf_reg_sizes): New function.
16707 (expand_builtin_dwarf_reg_size): Delete.
16708 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16709 (expand_builtin_dwarf_reg_size): Don't declare.
16710 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16711 (dwarf_reg_size_table): New.
16712 (init_reg_size_table): New function.
16713 (copy_reg): Use dwarf_reg_size_table.
16714 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16717 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16719 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16720 Correctly build argument list to constructor and destructor functions.
16722 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16724 * c-tree.h (warn_float_equal): Declare.
16725 * c-decl.c (warn_float_equal): Define.
16726 (c_decode_option): Recognize -W[no-]float-equal.
16727 * c-typeck.c (build_binary_op): Conditionally warn
16728 about equality tests of floating point types.
16729 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16730 * invoke.texi: Add docs for -Wfloat-equal warning.
16732 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16734 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16735 generating RTL directly.
16736 * mips.h (INIT_TARGET_OPTABS): Likewise.
16737 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16739 * expr.h (init_mov_optab): Delete declaration
16741 * h8300.c (WORD_REG_USED): Update to avoid useless register
16742 saves in interrupt functions and functions which never return.
16744 * cse.c (struct set): Delete inner_dest_loc field.
16745 (cse_insn): Remove assignments to inner_dest_loc field.
16747 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16749 * ggc-page.c: Don't include <unistd.h> etc taken care of
16750 by "system.h". Include <sys/mman.h> afterward.
16752 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16754 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16757 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16759 * xcoffout.c (xcoffout_declare_function): Add documentation.
16760 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16761 TARGET_64BIT. Compare constant to -1, not bit pattern.
16762 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16763 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16766 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16768 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16769 origin_die is NULL.
16770 (gen_inlined_enumeration_type_die): Do not abort if the type has
16771 not been writeen out.
16772 (gen_inlined_structure_type_die): Do not abort if the type has
16773 not been writeen out.
16774 (gen_inlined_union_type_die): Do not abort if the type has
16775 not been writeen out.
16776 (gen_tagged_type_instantiation_die): Do not abort if the type
16777 has not been written out.
16779 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16781 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16783 * reg-stack.c (straighten_stack): Copy hard reg set with
16786 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16788 * builtins.c (stabilize_va_list): Stabilize array type va_list
16789 to a pointer type, not the base record type.
16790 (expand_builtin_va_copy): Dereference the pointers explicitly;
16791 use the correct size for the copy.
16793 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16794 (rs6000_va_arg): Likewise.
16796 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16798 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16800 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16802 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16804 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16806 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16808 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16809 (init_ggc): Use it instead of a constant.
16810 (ggc_collect): Bound allocated_last_gc by it.
16812 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16814 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16817 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16819 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16820 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16821 * configure: Regen.
16822 * config/mips/openbsd.h: New, OpenBSD little endian target.
16823 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16824 * config/mips/xm-openbsd.h: New, OpenBSD host.
16826 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16828 * config/m68k/m68k.c (output_function_prologue,
16829 output_function_epilogue): Use
16830 current_function_uses_pic_offset_table instead of regs_ever_live
16831 to decide whether to save/restore pic register.
16832 (legitimize_pic_address): Don't modify regs_ever_live any more.
16834 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16836 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16837 * stor-layout.c (variable_size): Don't add sizes to the pending
16838 sizes list if x_dont_save_pending_sizes_p is set.
16840 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16842 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16843 for symbolic_operand().
16844 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16846 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16848 * combine.c (gen_rtx_combine): Add missing call to va_end().
16850 * final.c (asm_fprintf): Likewise.
16852 * genattrtab.c (attr_rtx): Likewise.
16854 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
16856 * cse.c: Update comments.
16857 (cse_insn): When converting a conditional/computed jump into
16858 an unconditional jump, always make sure a BARRIER immediately
16859 follows the converted jump. Do not delete unreachable code.
16860 (cse_basic_block): Do not delete unreachable code.
16861 * toplev.c (rest_of_compilation): Move call to
16862 delete_trivially_dead_insns after the conditional call to
16865 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16867 * collect2.c (make_temp_file): Don't prototype.
16869 * gcc.c (make_temp_file): Likewise.
16871 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
16873 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
16875 * varasm.c (asm_emit_uninitialised): New function: Generate
16876 the assembler statements necessary to declare an uninitialised
16878 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
16880 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
16881 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
16883 (assemble_variable): Use asm_emit_uninitialised to emit an
16884 uninitialised variable.
16886 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
16888 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
16889 constant on a 64 bit host. Patch supplied by Geoffrey Keating
16890 <geoffk@cygnus.com>.
16892 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16894 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
16895 * c-common.h (builtin_function): Don't declare.
16897 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
16899 (pushdecl): Likewise.
16900 (finish_decl): Likewise.
16901 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
16902 int. All callers changed.
16903 Set the builtin's DECL_BUILT_IN_CLASS.
16904 * tree.h (enum built_in_class): New.
16905 (enum built_in_function): Delete NOT_BUILT_IN.
16906 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
16908 (DECL_SET_FUNCTION_CODE): Likewise.
16909 (DECL_BUILT_IN_CLASS): New macro.
16910 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
16911 (struct tree_decl): Split builtin function code field into a
16913 (builtin_function): Declare.
16915 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
16917 * optabs.c (init_traps): Fix typo in last change.
16919 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
16921 * toplev.c (rest_of_decl_compilation): Update comment.
16923 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16925 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
16926 in .sbss if appropriate.
16927 (EXTRA_SECTION_FUNCTIONS): Add sbss.
16928 (SBSS_SECTION_ASM_OP): New macro.
16929 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
16930 (EXTRA_SECTIONS): Add in_sbss.
16931 * config/mips/mips.h: Prototype sbss_section.
16933 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
16935 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
16938 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
16940 * optabs.c (init_traps): Register trap_rtx as a GC root.
16942 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16944 * config/mips/mips.c (function_arg_pass_by_reference): Define
16945 unconditionally, since it's called unconditionally.
16947 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
16949 * toplev.c (documented_lang_options): Add -fshort-wchar.
16950 * c-decl.c (c_decode_option): Likewise.
16951 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
16953 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
16954 * gcc.c (default_compilers): If -fshort-wchar,
16955 override __WCHAR_TYPE__.
16956 * tm.texi (C Dialect Options): Add -fshort-wchar.
16958 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
16959 symbol for a variable.
16961 * cpplib.h (CPP_PREPROCESSED): New macro.
16962 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
16963 we're seeing this input for a second time.
16965 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
16967 * emit-rtl.c (init_emit_once): Initialize modes first.
16969 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
16971 * config/i386/i386.c (pic_label_name): Change to char pointer.
16972 (global_offset_table): New variable.
16973 (load_pic_register): Fill global_offset_table if it hasn't
16974 already been done. Allocate pic_label_name dynamically.
16975 * ggc.h (empty_string): New variable.
16976 * ggc-simple.c (empty_string): Likewise.
16977 (init_ggc): Allocate empty_string and add as root.
16978 * stmt.c (digit_strings): New variable.
16979 (init_stmt): Add last_block_end_note as root. Allocate and
16980 initialize digit_strings.
16981 (expand_asm_operands): Use empty_string instead of string
16982 constant. Use digit_strings instead of string constants.
16983 * profile.c (init_arc_profiler): Allocate string with
16984 ggc_alloc_string instead of xmalloc.
16985 (output_func_start_profiler): Likewise.
16986 * c-typeck.c (digest_init): Check if init is error_mark_node.
16988 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
16989 Richard Henderson <rth@cygnus.com>
16991 * ggc-page.c: New file.
16992 * Makefile.in (ggc-page.o): New.
16994 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
16996 * invoke.texi: Document -fdelete-null-pointer-checks
16997 * toplev.c (flag_delete_null_pointer_checks): New.
16998 (f_options): Add entry for -fdelete-null-pointer-checks.
16999 (rest_of_compilation): Conditionalize null pointer check
17000 elimination on flag_delete_null_pointer_checks.
17001 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
17003 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
17005 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
17006 copyright notice and special exception to GPL.
17008 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17010 * abi64.h (mips_function_value): Add prototype arguments.
17012 * mips-protos.h: New file with mips prototypes.
17014 * mips.c: Include "tm_p.h".
17015 (mktemp, lookup_name): Add prototype arguments.
17016 (extern_list, string_constant, mips_fill_delay_slot,
17017 mips_output_external, mips_output_external_libcall,
17018 mips_output_filename, mips_declare_object, function_prologue,
17019 mips_expand_prologue, function_epilogue, mips16_constant,
17020 build_mips16_function_stub, mips_output_conditional_branch):
17022 (mips_va_start): Remove unused variable `u'.
17023 (mips_va_arg): Cast value to unsigned when comparing against one.
17025 (save_restore_insns, mips_expand_prologue): Add missing arg in
17026 call to `large_int'.
17028 * mips.h: Move prototypes to mips-protos.h.
17029 (data_section, memory_address_p, rdata_section,
17030 readonly_data_section, simple_epilogue_p, text_section): Delete
17031 prototypes delcared elsewhere.
17032 (mips_epilogue_delay_slots, print_options): Delete unused decls.
17034 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
17036 * mips.md: Delete extra args in call to `mips_move_2words'.
17038 * xm-iris6.h (alloca): Add prototype argument.
17040 * genpeep.c: Include "tm_p.h" in generated output file.
17042 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17044 * basic-block.h (find_edge_index): Change parameters.
17045 * flow.c (verify_edge_list): Pass basic_block parameters to
17046 find_edge_index instead of integers.
17048 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
17050 * combine.c (simplify_comparison): Use an unsigned shift to adjust
17053 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
17055 * gcc.1: Fix a formatting error.
17057 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17059 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
17060 i786, mn10200, mn10300, pdp11, v850.
17062 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
17064 * libgcc2.c (num_digits): Add prototype with
17065 __attribute__((const)).
17066 (__terminate): Add prototype.
17068 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
17070 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
17072 * alpha/alpha.c (print_operand): Fix type of `code'.
17073 (alpha_output_filename): Constify.
17074 * alpha/alpha.h: Move all function declarations ...
17075 * alpha/alpha-protos.h: ... here. New file.
17076 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
17077 (SECTION_FUNCTION_TEMPLATE): Likewise.
17079 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17081 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
17082 * expr.c (expand_expr): Likewise.
17083 (do_jump): Likewise.
17084 (do_store_flag): Pass ccp_store_flag to can_compare_p.
17085 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
17087 (enum can_compare_purpose): New.
17088 (can_compare_p): Adjust prototype.
17089 (prepare_cmp_insn, prepare_operand): Declare.
17090 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
17091 * optabs.c (cmp_available_p): Deleted.
17092 (expand_abs): Pass ccp_jump to can_compare_p.
17093 (can_compare_p): New arg PURPOSE. Check for combined optabs.
17094 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
17095 Call can_compare_p rather than cmp_available_p.
17096 (prepare_operand): No longer static.
17097 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
17098 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
17099 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
17100 sequence to use emit_cmp_and_jump_insns.
17101 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
17103 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
17105 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
17106 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
17107 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
17108 (plus (reg) (const_int 0))
17109 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
17111 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
17113 * rs6000.c (expand_block_move): DImode loads and stores require
17114 word-aligned displacements. Increment address registers with
17115 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
17117 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
17119 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
17120 is no name for the base type, rather than segfault. If we are
17121 writing out a complex integer type, use DW_ATE_lo_user.
17123 * expr.c (emit_move_insn_1): If we are copying a complex that fits
17124 in one word or less (complex char, complex short, or on 64 bit
17125 systems complex float) to/from a hard register, copy it through
17126 memory instead of dying in gen_{real,imag}part. If we have a
17127 short complex type, prevent inlining since it allocates stack
17130 * tree.c (build_complex_type): If we are writing dwarf2 output,
17131 generate a name for complex integer types.
17133 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17135 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
17136 * flow.c (remove_edge): Remove extra whitespace.
17137 (remove_fake_edges): Fix comment.
17138 (add_noreturn_fake_exit_edges): Use the correct name.
17140 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
17142 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
17143 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
17144 (clean): Depend on INTL_CLEAN.
17145 (maintainer-clean): Adjust.
17147 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17149 * configure.in (AC_PREREQ): Bump to 2.13.
17150 (AC_C_STRINGIZE): Call this instead of using a custom macro.
17152 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
17154 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
17156 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
17158 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
17159 (HAVE_STRINGIZE): Define.
17161 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
17163 * c-parse.in: save and restore warn_pointer_arith on __extension__
17164 along with pedantic.
17165 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
17166 Set the type of extension to itype rather than $<itype>1 kludge.
17167 * extend.texi (Alternate Keywords): Adjust documentation.
17168 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
17170 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
17172 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
17173 most assembler templates.
17175 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
17176 FP loads and stores.
17177 (following_call): Always return zero for the PA8000.
17178 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
17179 FP loads and stores.
17180 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
17182 * pa.h (BRANCH_COST): Define.
17184 * pa.md (return, return_internal): Use bve for PA2.0.
17186 * pa.md (fused multiply): Add variants which reduce height for the
17187 fused multiply, but which still generate 2 insns.
17188 (fnegabs): Similarly.
17190 * pa.md (subsi3): Turn into an expander. Create two anonymous
17191 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
17192 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
17194 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
17196 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
17198 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
17199 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
17201 * regclass.c (init_regs): Add "top_of_stack" as a garbage
17204 * flow.c (record_active_eh_regions): Terminate loop after finding
17205 the last insn in the last basic block.
17207 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17209 * config/c4x/c4x.md: Delete parallel instruction peepholes.
17211 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17213 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
17215 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17217 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
17218 splitting to not use output template.
17220 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17222 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
17223 * config/c4x/c4x.c (c4x_va_start): New function.
17225 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
17227 * genrecog.c (not_both_true): Handle correctly cases when called for
17228 tests with different positions in the insn.
17230 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17232 * machmode.h (HOST_PTR_PRINTF): Move from here ...
17234 * system.h (HOST_PTR_PRINTF): ... to here.
17236 * mips-tfile.c: Don't include machmode.h.
17238 * Makefile.in (MACHMODE_H): New variable. Update to use it.
17239 (mips-tfile.o): Don't depend on machmode.h.
17241 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17243 * haifa-sched.c (sched_analyze): Rename local variable `region' to
17244 avoid conflicts with typedef struct `region' at the top level scope.
17246 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
17248 * basic-block.h (basic_block): Add eh_beg, eh_end.
17249 * flow.c (entry_exit_blocks): Update.
17250 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
17251 Call new functions.
17252 (find_basic_blocks_1): Don't record eh_list at each bb. Use
17253 lists.c functions to allocate insn lists.
17254 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
17256 (make_eh_edge): ... here. New.
17257 (move_stray_eh_region_notes): New.
17258 (record_active_eh_regions): New.
17259 (delete_unreachable_blocks): Split out block merging ...
17260 (try_merge_blocks): ... here. New.
17261 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
17262 Dump debugging data.
17263 (merge_blocks_move_successor_nojumps): Likewise.
17264 (merge_blocks): Use eh_beg+eh_end to validate block movement.
17266 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17268 * extend.texi (Bound member functions): Document unbound pmf
17271 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17273 * flow.c (split_edge): Handle insertion on a fallthrough edge which
17274 has the EXIT_BLOCK as a dest.
17276 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17278 * flow.c (remove_edge): New function to remove an edge from the
17280 (remove_fake_successors): New function to remove fake successor edges.
17281 (remove_fake_edges): New function to remove all fake edges from the
17283 (add_fake_exit_edges): New function to add fake edges from all blocks
17284 with no successors to the exit block.
17285 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17286 prototypes for new functions.
17288 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17290 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17291 Use Pmode to determine whether to output .dword or .word.
17293 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17295 * tree.c (built_in_filename): New variable.
17296 (BUILT_IN_FILENAME): New macro.
17297 (init_tree_codes): Allocate built_in_filename.
17298 (make_node): Use built_in_filename instead of string constant.
17300 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17302 * configure.in: Add fr30 target.
17303 * configure: Regenerate.
17304 * config/fr30: New directory.
17305 * config/fr30/crti.asm: New file.
17306 * config/fr30/fr30.c: New file.
17307 * config/fr30/crtn.asm: New file.
17308 * config/fr30/fr30.h: New file.
17309 * config/fr30/fr30.md: New file.
17310 * config/fr30/lib1funcs.asm: New file.
17311 * config/fr30/t-fr30: New file.
17312 * config/fr30/xm-fr30.h: New file.
17314 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17316 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17317 BARRIER at the end of the successor, not the BARRIER before
17320 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17322 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17324 * stmt.c (any_pending_cleanups): Don't crash when
17325 current_function->stmt is unset.
17327 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17329 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17330 other initializations that may use it for relative offsets.
17332 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17334 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17335 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17336 * config/i386/sol2dbg.h: Removed.
17337 * config/i386/sol2gas.h: New file, to enable gas work-around.
17338 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17339 Don't use sol2dbg.h.
17340 * configure: Rebuilt.
17342 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17344 * invoke.texi (-fthis-is-variable): Remove documentation.
17346 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17348 * basic-block.h (compute_bb_for_insn): Declare.
17349 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17350 to use; set size of basic_block_for_insn directly.
17351 (find_basic_blocks): Update.
17353 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17355 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17357 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17359 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17360 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17362 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17364 * c-decl.c (c_decode_option): Extend comment.
17366 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17368 * toplev.c (progname): Make 'const char *'
17369 (flag_print_mem): Move out of main.
17370 (version_flag): Move out of main.
17371 (filename): Move out of main.
17372 (debug_args): Remove g prefix from options.
17373 (documented_lang_options): Remove cpplib specific options.
17374 (display_help): Add g prefix to debug options.
17375 (check_lang_option): Delete this function.
17376 (decode_d_option): New function: Decode -d... option.
17377 (decode_f_option): New function: Decode -f... option.
17378 (decode_W_option): New function: Decode -W... option.
17379 (decode_g_option): New function: Decode -g... option.
17380 (independent_decode_option): New function: Decode a language
17381 independent command line option.
17382 (main): Invoke lang_decode_option and then
17383 independent_decode_option on each command line option in
17386 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17388 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17389 * fold-const.c (fold_range_test): Do not try to fold the range
17390 test if the rhs or lhs has side effects.
17392 * basic-block.h (compute_flow_dominators): Declare.
17394 * gcse.c (alloc_code_hoist_mem): New function.
17395 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17396 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17397 (hoist_code, one_code_hoisting_pass): Likewise.
17398 (gcse_main): If optimizing for size, then hoist expressions
17399 computed in multiple dominated basic blocks.
17401 * gcse.c (invalid_nonnull_info): New function.
17402 (delete_null_pointer_checks): Likewise.
17403 * rtl.h (delete_null_pointer_checks): Declare.
17404 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17406 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17407 (merge-blocks_move_successor_nojumps): Likewise.
17408 (merge_blocks): Allow merging of some blocks, even if it requires
17409 physical movement of the blocks, but not if it requires new jumps.
17411 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17412 Callers and prototype changed.
17413 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17415 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17417 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17418 -YP when both -p and -pg are present. From i386/sol2.h.
17420 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17422 * Makefile.in (distclean): Delete tm_p.h.
17423 * configure.in: Create a new file, "tm_p.h", from a list in
17424 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17425 "i386/i386-protos.h".
17427 * alias.c: Include "tm_p.h".
17428 * c-typeck.c: Likewise.
17429 * calls.c: Likewise.
17431 * emit-rtl.c: Likewise.
17432 * explow.c: Likewise.
17433 * expmed.c: Likewise.
17434 * expr.c: Likewise.
17435 * final.c: Likewise.
17436 * flow.c: Likewise.
17437 * fold-const.c: Likewise.
17438 * function.c: Likewise.
17439 * gcse.c: Likewise.
17440 * global.c: Likewise.
17441 * haifa-sched.c: Likewise.
17442 * integrate.c: Likewise.
17443 * jump.c: Likewise.
17444 * local-alloc.c: Likewise.
17445 * loop.c: Likewise.
17446 * optabs.c: Likewise.
17447 * recog.c: Likewise.
17448 * reg-stack.c: Likewise.
17449 * regclass.c: Likewise.
17450 * regmove.c: Likewise.
17451 * reload.c: Likewise.
17452 * reload1.c: Likewise.
17453 * reorg.c: Likewise.
17454 * resource.c: Likewise.
17455 * stmt.c: Likewise.
17456 * stor-layout.c: Likewise.
17457 * toplev.c: Likewise.
17458 * tree.c: Likewise.
17459 * unroll.c: Likewise.
17460 * genattrtab.c (main): Make generated file include "tm_p.h".
17461 * genemit.c (main): Likewise.
17462 * genoutput.c (main): Likewise.
17463 * genrecog.c (main): Likewise.
17465 * i386.h: Delete all prototypes.
17466 * i386.c: Include "tm_p.h".
17467 (ix86_attr_length_default): Call constant_call_address_operand
17468 with correct number of arguments.
17469 * i386-protos.h: New file.
17470 * i386.md (unnamed patterns): Call constant_call_address_operand
17471 with correct number of arguments.
17472 (exception_receiver): Call load_pic_register with correct number
17475 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17477 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17479 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17481 * rtl.h (insns_safe_to_move_p): New function.
17482 * loop.c (find_and_verify_loops): Use it.
17483 * rtlanal.c (insns_safe_to_move_p): Define it.
17485 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17487 * c-pragma.c: Include ggc.h.
17488 * Makefile.in (c-pragma.o): Update.
17490 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17492 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17493 (LIB_SPEC): Likewise.
17494 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17495 Reindent -YP/-p/-pg.
17496 Copied from config/sparc/sol2.h.
17498 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17500 * c-pragma.c (mark_align_stack): New.
17501 (init_pragma): New.
17502 * c-pragma.h (init_pragma): Declare it.
17503 * c-lex.c (init_parse): Call it.
17505 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17507 * configure.in: Pick up thread library on Solaris/x86 just
17508 like on Solaris/sparc.
17509 * configure: Rebuilt.
17511 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17513 * rtl.h (global_rtx_index): New enum.
17514 (global_rtl): Change to array of rtx.
17515 (pc_rtx, cc0_rtx): Redefine accordingly.
17516 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17517 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17518 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17519 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17520 (const_int_rtx): Change to array of rtx.
17521 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17523 * emit-rtl.c (global_rtl): Change to array of rtx.
17524 (const_int_rtx): Change to aray of rtx.
17525 (gen_rtx_CONST_INT): Redefine accordingly.
17526 (init_emit_once): Allocate and initialize global_rtl. Likewise
17527 for const_int_rtx. Add both as GC roots.
17528 * genattrtab.c (global_rtl): Update declaration.
17530 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17532 * Makefile (USER_H): Add iso646.h back.
17534 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17536 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17537 zapping the LOG_LINKS of sched_before_next_call.
17539 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17540 * pa.c (insn_refs_are_delayed): Renamed from
17541 insn_sets_and_refs_are_delayed.
17543 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17545 * functiion.h (struct function): Add x_whole_function_mode_p.
17546 (retrofit_block): Declare.
17547 * function.c (retrofit_block): New function.
17548 (identify_blocks): Add assertions. Allow an incomplete set of
17549 block notes if we're still generating code for the function.
17550 * integrate.c: Include loop.h.
17551 (expand_inline_function): Call find_loop_tree_blocks to map block
17552 notes to blocks when in whole-function mode. Use retrofit_block
17553 to insert new BLOCKs for the inlined function, rather than
17555 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17556 * Makefile.in (integrate.o): Depend on loop.h.
17558 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17560 * tree.h (warn_about_unused_variables): Declare.
17561 * stmt.c (warn_about_unused_variables): New function, split out
17563 (expand_end_bindings): Here.
17565 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17567 * stmt.c (preserve_subexpressions_p): Don't crash when
17568 current_function->stmt is unset.
17570 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17572 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17573 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17574 (expand_start_target_temps): Use it.
17575 * except.c (expand_eh_region_start_for_decl): Likewise.
17576 * expr.c (expand_expr): Likewise.
17578 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17580 * fold-const.c (operand_equal_p): Pay attention to side effects.
17582 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17584 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17585 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17587 * tlink.c (scan_linker_output): Look for keywords before accepting
17588 a mangled name in quotes.
17590 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17592 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17593 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17595 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17597 * alpha.md: Revert Thu Nov 26 change that came in through the
17598 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17599 Avoid earlyclobber when possible.
17601 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17603 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17605 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17606 Define HAVE_ON_EXIT.
17608 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17610 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17611 CTYPE_CONV in all ctype macros.
17613 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17616 * cexp.y (initialize_random_junk): Likewise.
17618 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17620 * i370.c (handle_pragma): Likewise.
17622 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17624 * v850.c (override_options): Likewise.
17626 * doprint.c (_doprnt): Likewise.
17628 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17631 * fixinc/server.c (load_data): Likewise.
17633 * fold-const.c (real_hex_to_f): Likewise.
17635 * genattr.c (write_upcase, gen_attr): Likewise.
17637 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17638 write_upcase): Likewise.
17640 * genemit.c (print_code): Likewise.
17642 * genopinit.c (gen_insn): Likewise.
17644 * genpeep.c (print_code): Likewise.
17646 * genrecog.c (print_code): Likewise.
17648 * optabs.c (init_libfuncs): Likewise.
17650 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17652 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17654 (reemit_notes): Likewise.
17656 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17658 * ggc.h (ggc_root): Move to ggc-common.c.
17660 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17661 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17662 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17663 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17664 * ggc-common.c (ggc_root): Move from ggc.h.
17665 (roots): Declare, static.
17666 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17667 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17668 null or check/set mark bit.
17669 (ggc_mark_roots): New.
17670 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17672 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17674 * m32r.c: Include toplev.h.
17675 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17676 (gen_compare): Rename swap_p to must_swap to match uses.
17677 Add default abort case.
17678 (m32r_output_function_epilogue): Remove unused variables.
17679 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17680 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17681 define to empty parameter list. Update all uses.
17682 (predicate decls): Use enum machine_mode not int.
17683 * m32r.md (movsi): Call abort, not fatal_insn.
17684 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17686 1999-09-14 Andrew Haley <aph@cygnus.com>
17688 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17689 use $0 instead of 0.
17691 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17693 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17694 computation out of loop over hard regs.
17696 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17698 * function.c (identify_blocks): Don't shadow a variable in an
17700 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17701 pushdecl, or poplevel to build up the new BLOCK tree.
17702 (expand_inline_function): Likewise.
17703 (integrate_parm_decls): Likewise.
17705 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17707 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17709 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17711 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17712 * invoke.texi: Document this change.
17714 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17716 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17718 (mark_emit_status): Renamed from mark_emit_state.
17719 * except.c (mark_eh_status): Renamed from mark_eh_state.
17720 Check not null before marking.
17721 (free_eh_status): New.
17722 * expr.c (mark_expr_status, free_expr_status): New.
17723 * function.c (free_machine_status): New.
17724 (free_after_parsing): New.
17725 (free_after_compilation): Move bits to free_after_parsing; call
17726 free_eh_status, free_expr_status; zero the marked members of the
17728 (prepare_function_start): No can_garbage_collect.
17729 Call init_eh_for_function.
17730 (expand_dummy_function_end): Free up current_function state.
17731 (mark_function_status): Renamed from mark_function_state.
17732 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17733 * function.h (struct function): No can_garbage_collect.
17734 (free_machine_status, free_after_parsing): Declare.
17735 (free_eh_status, free_expr_status): Declare.
17736 * ggc.h (mark_expr_status): Declare.
17737 * stmt.c (free_stmt_status): Free the struct.
17738 (mark_stmt_status): Renamed from mark_stmt_state.
17739 (init_stmt): Don't call init_eh.
17740 (init_stmt_for_function): Don't call init_eh_for_function.
17741 * toplev.c (compile_file): Call init_eh.
17742 (rest_of_compilation): Free basic block info before ggc_collect.
17743 Call free_after_parsing; conditionally call free_after_compilation.
17744 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17745 Check not null before marking.
17746 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17748 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17750 * c-lex.c (yylex): Initialize warn.
17752 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17754 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17755 register when performing secondary reloads for the SAR register.
17757 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17759 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17760 (NOTE_BLOCK): New macro.
17761 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17762 * function.h (identify_blocks): Change prototype.
17763 * function.c (identify_blocks): Simplify.
17764 (reorder_blocks): Likewise.
17765 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17766 NOTE_INSN_BLOCK_{BEG,END}.
17767 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17768 the list of saved notes if the note isn't a
17769 NOTE_INSN_BLOCK_{BEG,END}.
17770 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17772 (reemit_notes): Adjust recreation of notes to reflect new saved
17774 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17775 printing a block note.
17776 * stmt.c (block_vector): Remove.
17777 (find_loop_tree_blocks): Simplify.
17778 (unroll_block_trees): Likewise.
17779 * tree.h (reorder_block): Change prototype.
17781 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17783 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17784 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17785 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17786 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17787 (atexit, exit): Simplify.
17788 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17789 * config/lots: Remove defns of HAVE_ATEXIT.
17791 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17793 * calls.c (precompute_arguments): Fix typo in comment.
17794 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17797 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17799 * dsp16xx.c (override_options): Fix typos in GC root registration.
17801 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17803 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17804 from config/svr4.h.
17805 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17806 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17807 (CC1_SPEC): Likewise.
17809 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17811 * genattr.c (main): Add extern prototype. Call return, not exit.
17812 * genattrtab.c (main): Likewise.
17813 * gencheck.c (main): Likewise.
17814 * gencodes.c (main): Likewise.
17815 * genconfig.c (main): Likewise.
17816 * genemit.c (main): Likewise.
17817 * genextract.c (main): Likewise.
17818 * genflags.c (main): Likewise.
17819 * gengenrtl.c (main): Likewise.
17820 * genopinit.c (main): Likewise.
17821 * genoutput.c (main): Likewise.
17822 * genpeep.c (main): Likewise.
17823 * genrecog.c (main): Likewise.
17825 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17826 * genattrtab.c (get_insn_name): Likewise.
17827 * gencodes.c (get_insn_name): Likewise.
17828 * genconfig.c (get_insn_name): Likewise.
17829 * genemit.c (get_insn_name): Likewise.
17830 * genextract.c (get_insn_name): Likewise.
17831 * genflags.c (get_insn_name): Likewise.
17832 * genopinit.c (get_insn_name): Likewise.
17833 * genpeep.c (get_insn_name): Likewise.
17835 * gencheck.c (usage): Add static prototype.
17836 * genextract.c (print_path): Constify a char*.
17837 * genopinit.c (optabs): Likewise.
17838 * genoutput.c (operand_data, data, output_predicate_decls,
17839 compare_operands): Likewise.
17840 * genrecog.c (write_tree): Add default case in switch.
17842 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17844 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17846 * print-rtl.c (get_insn_name): Remove prototype.
17848 * toplev.h (progname): Declare const.
17850 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17851 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17852 dump_sched_info, dump_local_alloc, regset_release_memory,
17853 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
17854 error_with_file_and_line, error_with_decl, error_for_asm, error,
17855 fatal, warning_with_file_and_line, warning_with_decl, warning,
17856 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
17857 Remove redundant prototypes.
17859 (notice, check_lang_option, report_file_and_line, vnotice,
17860 mark_file_stack): Add static prototype.
17861 (set_fatal_function): Add prototype.
17862 (vnotice, report_file_and_line, set_fatal_function,
17863 check_lang_option): Constify a char*.
17864 (main): Prototype. Call return, not exit.
17866 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17868 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
17870 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
17872 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
17874 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
17876 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17878 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
17879 behave as if it's zero in all cases.
17880 (expand_function_start): Adjust call to assign_parms.
17881 * tree.h (assign_parms): Adjust prototype.
17882 * objc/objc-act.c (hack_method_prototype): Adjust call to
17885 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
17887 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
17888 arg_pointer_rtx fixed if the argument pointer register is
17890 (NONZERO_BASE_PLUS_P): Likewise.
17892 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
17894 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
17895 match_insn2 to match_insn.
17896 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
17898 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
17900 * Makefile.in (USER_H): Remove va-foo.h.
17902 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
17903 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
17904 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
17905 va-spur.h,va-v850.h}: Remove.
17907 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
17909 * sparc/sparc.md (eligible_for_return_delay): New attribute.
17910 (in_return_delay): Use it instead of match_insn.
17912 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17914 * config/alpha/va_list.h (va-alpha.h): Do not include.
17915 (__gnuc_va_list): Typedef as in varargs.h.
17917 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
17919 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
17920 DECL_LIVE_RANGE_RTL.
17922 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
17924 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
17925 not NOTE_BLOCK_NUMBER.
17926 (expand_eh_region_end): Likewise.
17927 (find_exception_handler_labels): Likewise.
17928 (scan_region): Likewise.
17929 (exception_optimize): Likewise.
17930 (update_rethrow_references): Likewise.
17931 (set_insn_eh_region): Likewise.
17932 * final.c (final_scan_insn): Likewise.
17933 * flow.c (make_edges): Likewise.
17934 * integrate.c (expand_inline_function): Likewise.
17935 * print-rtl.c (print_rtx): Likewise.
17937 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
17939 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
17940 terms of builtin functions and types.
17942 * mips.c (mips_build_va_list): New.
17943 (mips_va_start, mips_va_arg): New.
17944 * mips.h (BUILD_VA_LIST_TYPE): New.
17945 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17947 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
17948 (sh_build_va_list, sh_va_start, sh_va_arg): New.
17949 * sh.h (BUILD_VA_LIST_TYPE): New.
17950 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
17952 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
17954 * recog.h (struct recog_data): Make dup_num, operand_address_p,
17955 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
17956 (struct insn_data): Likewise with n_operands, n_dups,
17957 n_alternatives, output_format.
17958 * regclass.c (scan_one_insn): Cast n_operands to int before
17959 arithmetic inside comparison.
17961 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
17963 * toplev.c (compile_function): Unconditionally emit nop.
17965 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17967 * haifa-sched.c (actual_hazard): Move declaration of variable
17968 `this_cost' into the scope where it is used.
17970 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17972 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
17973 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
17974 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
17976 * genrecog.c (make_insn_sequence): Call memset, not bzero.
17978 * jump.c (find_insert_position): Don't declare or define unless
17979 !HAVE_conditional_arithmetic.
17980 (returnjump_p_1, delete_prior_computation): Add static prototypes.
17982 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
17984 * recog.c (offsettable_address_p): Prototype function pointer.
17985 (preprocess_constraints): Call memset, not bzero.
17987 * tree.c (tree_node_kind_names): Constify a char*. Make static.
17988 (gcc_obstack_init): Don't declare.
17989 (fix_sizetype): Add static prototype.
17990 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
17991 (tree_cons): Call memset, not bzero.
17993 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
17994 definition in macro ASM_WEAKEN_LABEL.
17995 (mark_const_hash_entry): Add static prototype.
17997 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17999 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
18001 * unroll.c (find_common_reg_term, subtract_reg_term,
18002 loop_find_equiv_value): Add static prototypes.
18003 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
18004 (copy_loop_body): Remove unreachable break statement.
18006 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
18008 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
18010 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18012 Undo some changes from the gcc2 merge:
18013 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
18014 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
18018 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
18019 * emit-rtl.c (gen_lowpart_common): Disable optimization of
18020 initialized float-int union if the value is a NaN.
18022 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
18024 * gthr-win32.h: New file.
18026 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
18027 shared as a valid attribute.
18028 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
18029 * extend.texi: Document `shared' variable attribute.
18031 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
18033 * configure.in: Handle --enable-threads on FreeBSD.
18034 * configure: Rebuit.
18036 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
18038 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
18040 * configure: Rebuilt.
18042 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
18043 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
18044 Rosimildo DaSilva <rdasilva@connecttel.com>
18046 * configure.in (m68k-*-rtemscoff*): Added.
18047 * configure.in (mips64orion-*-rtems*): Converted to ELF.
18048 * configure.in (sparc-*-rtemsaout*): Added as alias for old
18049 sparc-rtems configuration.
18050 * configure.in (sparc-*-rtemself*): Added.
18051 * configure.in (sparc-*-rtems*): Now ELF not a.out.
18052 * config/i386/rtems.h: Added comment.
18053 * config/sparc/rtemself.h: New file.
18055 * configure.in (m68k-rtemself): Added.
18056 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
18057 and DWARF_DEBUGGING_INFO.
18058 * config/m68k/crti.s: New file.
18059 * config/m68k/crtn.s: New file.
18060 * config/m68k/t-crtstuff: New file.
18061 * config/m68k/rtemself.h: New file.
18063 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
18064 global ctor/dtor and C++ exception handling.
18065 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
18066 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
18068 * config/i386/t-rtems-i386: New File.
18070 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
18072 * stmt.c (expand_end_case): Return right away if the case stack is
18075 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
18077 * Makefile.in (version.c): Remove rule incorrectly brought in from
18080 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
18082 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
18083 * msdos/top.sed: Take into account a prepended $(SHELL) to
18085 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
18087 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
18089 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18091 * regmove.c (fixup_match_1): Don't change an unchanging register.
18092 (stable_but_for_p): Renamed to:
18093 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
18094 Changed all callers.
18096 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
18098 * loop.c (strength_reduce): Don't call reg_used_between_p if the
18099 insn from BL2 is after the insn from BL.
18101 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
18103 * recog.h (INSN_OUTPUT_FORMAT_*): New.
18104 (struct insn_data): Merge `template' and `outfun' into `output'.
18105 Add `output_format'.
18106 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
18107 (struct data): Remove `outfun'; add `output_format'.
18108 (name_for_index): Remove declaration.
18109 (output_insn_data): Handle output formats.
18110 (process_template): Emit the bare array for @.
18111 (gen_expand, gen_split): Set output_format to NONE.
18112 * output.h (get_insn_template): Declare.
18113 * final.c (get_insn_template): New.
18114 (final_scan_insn): Use it.
18115 * toplev.c (compile_file): Likewise.
18117 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18118 * i860/i860.c (output_delayed_branch): Likewise.
18119 (output_delay_insn): Likewise.
18121 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18123 * rtl.c (obstack_alloc_rtx): Removed.
18125 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
18127 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
18129 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18131 * i386.c (call_insn_operand): Reject const_int.
18132 (expander_call_insn_operand): Use call_insn_operand.
18134 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18136 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
18138 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
18140 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
18141 Use DImode operation.
18143 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
18145 * gcc.c: Include sys/resource.h.
18146 (report_times): New flag.
18147 (execute): If report_times is set, calculate and report the
18148 CPU time consumed by each subprocess.
18150 (rus, prus): New globals.
18151 (option_map): Add --time.
18152 (display_help): Document -time.
18153 (process_command): Set report_times if -time is given.
18154 Turn off -pipe if -time is given.
18156 * invoke.texi: Document new option -time.
18158 * configure.in: Check for getrusage. Check if we have to
18159 prototype getrusage.
18160 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
18161 * configure: Regenerate.
18162 * config.in: Regenerate.
18164 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
18166 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
18169 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
18171 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
18172 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
18173 (nan): Return _thenan_sf or _thenan_df as appropriate.
18174 (L_thenan_sf): Define _thenan_sf.
18175 (L_thenan_df): Define _thenan_df.
18177 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
18178 (DPBIT_FUNCS): Add _thenan_df.
18180 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
18182 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
18185 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18187 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
18190 (lang_specific_driver): Don't take a function pointer parameter.
18191 All callers changed.
18193 * gcc.c: Include gcc.h.
18194 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
18195 lang_specific_extra_outfiles, fatal): Don't declare.
18196 (multilib_defaults_raw): Constify.
18197 (read_specs): Call memset, rather than bzero.
18198 (main): Call return, not exit.
18199 (lookup_compiler): Call memcpy, not bcopy.
18200 (fatal): Make extern.
18202 * cppspec.c: Include gcc.h.
18203 (lang_specific_driver): Initialize variable `quote'. Constify a
18204 char*. All calls to the function pointer parameter now
18205 explicitly call `fatal'.
18207 * gccspec.c (lang_specific_driver): Include gcc.h.
18209 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
18211 * arm.c (note_invalid_constants): Use recog_data.operand_type
18214 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18216 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
18219 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
18220 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18221 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18222 reload_secondary_in_reload, reload_secondary_out_reload,
18223 reload_secondary_in_icode, reload_secondary_out_icode,
18224 reload_reg_rtx, reload_when_needed): Delete declarations.
18225 (struct reload): New structure.
18226 (rld): Declare new array.
18227 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
18228 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18229 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18230 reload_secondary_in_reload, reload_secondary_out_reload,
18231 reload_secondary_in_icode, reload_secondary_out_icode,
18232 reload_reg_rtx, reload_when_needed): Delete definitions.
18234 (whole file): Replace uses of the deleted arrays with uses of rld.
18235 * reload1.c (whole file): Replace uses of the deleted arrays with
18237 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
18238 explicit loops, not with bcopy.
18240 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
18242 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
18243 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
18244 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
18245 insn_name): Delete and consolidate into new structures.
18246 (insn_operand_predicate_fn): New.
18247 (insn_output_fn): New.
18248 (insn_gen_fn): New.
18249 (struct insn_operand_data): New.
18250 (struct insn_data): New.
18252 (OUT_FCN): Update for insn_data change.
18253 * builtins.c (expand_builtin_strlen): Likewise.
18254 (expand_builtin_memcmp): Likewise.
18255 * combine.c (make_extraction, simplify_comparison): Likewise.
18256 * cse.c (canon_reg, cse_insn): Likewise.
18257 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
18258 * expmed.c (store_bit_field, extract_bit_field): Likewise.
18259 (emit_store_flag): Likewise.
18260 * expr.c (convert_move, emit_block_move): Likewise.
18261 (clear_storage, emit_push_insn, expand_increment): Likewise.
18262 (do_store_flag): Likewise.
18263 * expr.h (GEN_FCN): Likewise.
18264 (insn_gen_function): Die.
18265 * final.c (final_scan_insn): Update for insn_data change.
18266 (output_asm_name): Likewise.
18267 * function.c (fixup_var_refs_1): Likewise.
18268 * loop.c (check_dbra_loop): Likewise.
18269 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
18270 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
18271 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
18272 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
18273 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
18274 * regmove.c (gen_add3_insn): Likewise.
18275 * reload.c (push_secondary_reload, combine_reloads): Likewise.
18276 (find_reloads, find_reloads_address_1): Likewise.
18277 (debug_reload_to_stream): Likewise.
18278 * reload1.c (emit_reload_insns, gen_reload): Likewise.
18279 * stmt.c (expand_end_case): Likewise.
18280 * toplev.c (compile_file): Likewise.
18282 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18283 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18285 * print-rtl.c (insn_name_ptr): Remove declaration.
18286 (get_insn_name): Declare.
18287 (print_rtx): Use it.
18288 * genoutput.c (insn_name_ptr): Remove.
18289 (next_operand_number): New.
18290 (struct operand_data): New.
18291 (null_operand, odata, odata_end): New.
18292 (struct data): Use struct operand_data.
18293 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18294 (get_insn_name): Renamed from name_for_index.
18295 (output_prologue): Define NO_MD_PROTOTYPES.
18296 (output_predicate_decls): Break out from output_epilogue.
18297 Iterate over the operands list.
18298 (output_operand_data): Break out from output_epilogue. Emit
18299 just the operands list.
18300 (output_insn_data): Break out from output_epilogue. Emit just
18302 (output_epilogue): Remove.
18303 (output_get_insn_name): New.
18304 (constraints, op_n_alternatives, predicates, address_p): Die.
18305 (modes, strict_low, seen): Die.
18306 (scan_operands): Take new param `d' instead of writing to
18307 seven global variables.
18308 (compare_operands): New.
18309 (place_operands): New.
18310 (validate_insn_alternatives): Update for struct data change.
18311 (gen_insn): Don't zero or copy 7 global arrays. Update for
18312 scan_operands; call place_operands.
18313 (gen_peephole, gen_expand, gen_split): Likewise.
18314 (main): Update for new output routines.
18316 * genattr.c (insn_name_ptr): Remove.
18317 (get_insn_name): New function.
18318 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18319 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18320 * genrecog.c: Likewise.
18322 * alpha.md (adddi3): Make `pattern' array static.
18324 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18326 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18327 c4x_cpu_version_string): Constify char *.
18328 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18329 c4x_cpu_version_string): Likewise.
18331 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18333 * tree.c (save_tree_status): Revert 10 Sep change.
18334 (restore_tree_status): Likewise. Call obstack_free with NULL
18335 before freeing the obstack proper.
18337 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18339 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18341 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18342 surrounding context.
18344 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18346 * tree.c (type_hash_canon): Put all types in the hash-table, when
18349 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18351 * recog.h (struct recog_data, recog_data): New.
18352 (recog_foo variables): Kill.
18353 * recog.c (recog_operand, recog_operand_loc): Kill.
18354 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18355 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18356 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18357 (recog_data): Define.
18358 (extract_insn): Update all recog_foo references to use recog_data.
18359 (preprocess_constraints, constrain_operands): Likewise.
18360 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18361 * genattrtab.c (main): Likewise.
18362 * genextract.c (main): Likewise.
18363 * genoutput.c: Likewise.
18364 * genrecog.c (write_subroutine, main): Likewise.
18365 * local-alloc.c (block_alloc): Likewise.
18366 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18367 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18368 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18369 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18370 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18371 (reload_cse_simplify_operands): Likewise.
18373 * arc/arc.c (arc_final_prescan_insn): Likewise.
18374 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18375 * h8300/h8300.c (notice_update_cc): Likewise.
18376 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18377 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18378 * mn10200/mn10200.c (notice_update_cc): Likewise.
18379 * mn10300/mn10300.c (notice_update_cc): Likewise.
18380 * romp/romp.c (update_cc): Likewise.
18381 * sparc/sparc.c (check_pic): Likewise.
18382 * v850/v850.c (notice_update_cc): Likewise.
18384 * genemit.c (main): Don't declare recog_operand.
18386 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18388 * ggc.h (rtvec_def): Forward declare.
18389 (tree_node): Likewise.
18390 (ggc_root): Define.
18392 (ggc_set_mark_rtx): Add prototype.
18393 (ggc_set_mark_rtvec): Likewise.
18394 (ggc_set_mark_tree): Likewise.
18395 * ggc-simple.c (ggc_root): Don't define.
18396 (roots): Don't declare.
18397 (ggc_mark_rtx): Remove.
18398 (ggc_mark_rtvec): Likewise.
18399 (ggc_mark_tree): Likewise.
18400 (ggc_mark_varray): Likewise.
18401 (ggc_mark_tree_hash_table_entry): Likewise.
18402 (ggc_mark_tree_hash_table): Likewise.
18403 (ggc_set_mart_rtx): New function.
18404 (ggc_set_mark_rtvec): Likewise.
18405 (ggc_set_mark_tree): Likewise.
18406 (ggc_add_root): Remove.
18407 (ggc_add_rtx_root): Likewise.
18408 (ggc_remove_tree_root): Likewise.
18409 (ggc_add_string_root): Likewise.
18410 (ggc_add_tree_varray_root): Likewise.
18411 (ggc_add_tree_hash_table_root): Likewise.
18412 (ggc_del_root): Likewise.
18413 (ggc_mark_rtx_ptr): Likewise.
18414 (ggc_mark_tree_ptr): Likewise.
18415 (ggc_mark_string_ptr): Likewise.
18416 (ggc_mark_tree_varray_ptr): Likewise.
18417 (ggc_mark_tree_hash_table_ptr): Likewise.
18418 * ggc-common.c: New file.
18419 * Makefile.in (OBJS): Add ggc-common.o.
18420 (ggc-common.o): List dependencies.
18422 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18424 * cppalloc.c (xstrdup): Use memcpy.
18425 * cpperror.c (cpp_print_containing_files): Don't use
18427 * cpplib.c (conditional_skip): Set temp->lineno.
18428 (do_endif): Make error message less obscure.
18429 (if_directive_name): New function.
18430 (cpp_get_token [case EOF]): Unwind the if stack and generate
18431 error messages for each unterminated conditional in this file.
18432 (parse_string): Do not behave differently if -traditional.
18434 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18436 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18437 va_list decomposing to pointer-type.
18438 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18439 (rs6000_va_arg): Likewise.
18441 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18443 * except.c (start_dynamic_handler): Compute size using
18444 STACK_SAVEAREA_MODE.
18446 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18448 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18449 include directory headers. Don't define strrchr. Don't provide
18450 my_* replacement functions. Prefer PTR over `pointer_type'.
18451 Don't prototype system functions. Don't redefine getopt.
18453 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18454 safe_read, safe_write, save_pointers, restore_pointers,
18455 is_id_char, in_system_include_dir, directory_specified_p,
18456 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18457 find_corresponding_lparen, referenced_file_is_newer,
18458 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18459 process_aux_info_file, identify_lineno, check_source,
18460 seek_to_line, forward_to_next_token_char, output_bytes,
18461 output_string, output_up_to, other_variable_style_function,
18462 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18463 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18464 find_static_definition, connect_defs_and_decs, add_local_decl,
18465 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18466 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18467 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18468 scan_for_missed_items, edit_file, string_list_cons): Add static
18470 (standard_exec_prefix, target_machine, target_version,
18471 default_syscalls_dir, string_list, string_list_cons, find_file,
18472 do_cleaning): Constify a char*.
18473 (safe_read, safe_write): Use PTR, not a char*.
18474 (is_id_char): Take an int, not a char.
18475 (main): Add prototype. Call return, not exit.
18477 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18479 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18480 when comparing types.
18482 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18484 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18485 (strength_reduce): Release the varrays from the no-bivs early exit.
18487 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18488 the loop over the registers.
18490 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18492 (restore_tree_status): Check that instead when freeing the obstack.
18494 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18496 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18499 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18501 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18502 operand size modifiers.
18504 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18506 * c-common.c (c_common_nodes_and_builtins): Don't build
18508 * c-common.h (enum c_tree_index and related accesor macros): Remove
18509 everything now declared in tree.h.
18510 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18511 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18512 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18513 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18514 unsigned_type_node, ptr_type_node, va_list_type_node,
18515 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18516 (init_decl_processing): Call build_common_tree_nodes and
18517 build_common_tree_nodes_2 instead of building their nodes here.
18518 Don't add roots for these nodes.
18519 * stor-layout.c (size_zero_node, size_one_node): Delete.
18520 (set_sizetype): Make a new node for bitsizetype each time.
18521 * tree.c (global_trees): New variable.
18522 (init_obstacks): Add a gc root for it.
18523 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18524 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18525 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18526 (build_common_tree_nodes): New function.
18527 (fix_sizetype): New function.
18528 (build_common_tree_nodes_2): New function.
18529 * tree.h (enum tree_index): New.
18530 (global_trees): Declare.
18531 Add accessor macros for all nodes now moved to global_trees.
18532 Delete their declarations.
18534 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18536 * c-decl.c (finish_function): When processing a nested function,
18537 push and pop GC context around rest_of_compilation.
18539 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18541 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18542 Default ix86_arch to PROCESSOR_I386.
18543 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18544 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18545 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18546 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18547 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18548 (EXTRA_SPECS): Remove deleted specs.
18550 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18552 * function.c (assign_stack_local_1): Allocate from
18553 function->x_frame_offset, not frame_offset.
18555 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18557 * ggc.h (lang_cleanup_tree): Remove.
18558 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18559 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18561 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18562 TYPE_LANG_SPECIFIC when garbage collecting.
18563 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18564 (lang_cleanup_tree): Remove.
18566 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18568 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18569 * crtstuff.c: Not here.
18570 * dwarf2out.c: Or here.
18571 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18574 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18576 * function.h (free_after_compilation): Remove decl parameter.
18577 (free_varasm_status0: Likewise.
18578 (free_emit_status): Likewise.
18579 (free_stmt_status): Likewise.
18580 (free_after_compilation): Likewise.
18581 (init_lang_status): New variable.
18582 (free_lang_status): Likewise.
18583 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18584 * function.c (init_lang_status): New variable.
18585 (free_lang_status): Likewise.
18586 (push_function_context_to): Don't set function::decl here.
18587 (free_after_copmilation): Make decl parameter implicit. Call
18588 free_lang_status if defined.
18589 (prepare_function_start): Call init_lang_status if defined.
18590 (init_function_start): Set function::decl here.
18591 * profile.c (output_func_start_profiler): Don't call pushdecl
18592 until we've actually started the function.
18593 * stmt.c (free_stmt_status): Make decl parameter implicit.
18594 * toplev.c (rest_of_compilation): Don't pass decl to
18595 free_after_compilation.
18596 * varasm.c (free_varasm_status): Likewise.
18598 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18600 * except.c (call_get_eh_context): Add root when allocating static
18603 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18605 * arm.c: Include "ggc.h".
18606 (arm_add_gc_roots): New function.
18607 (arm_override_options): Call it.
18608 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18610 * arm.md (define_asm_attributes): Add a pool_range attribute.
18612 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18614 * extend.texi (Volatiles): New node.
18616 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18618 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18619 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18620 (struct ggc_any): Replace `mark' with `magic_mark'.
18621 (ggc_alloc_string): Use memcpy, not bcopy.
18622 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18623 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18624 (ggc_free_any): New.
18625 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18626 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18627 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18628 Use IS_MARKED. Use ggc_free_any.
18630 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18632 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18634 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18636 * toplev.c (main): Always init_ggc.
18638 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18640 * except.c (find_all_handler_type_matches): Free the list if
18641 we found no matches.
18643 * combine.c (SUBST): Break out to a real function do_SUBST.
18644 (SUBST_INT): Likewise.
18645 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18646 (pre_insert): Free `inserted'.
18647 * loop.c (basic_induction_var): Always set `location'.
18649 * function.c (expand_function_end): Add initial_trampoline as a root.
18650 * rtl.h (init_varasm_once): Declare.
18651 * toplev.c (compile_file): Call it.
18652 * ggc-simple.c (ggc_mark_string_ptr): New.
18653 (ggc_add_string_root): New.
18654 (ggc_collect): Disable collection avoidance temporarily.
18655 * ggc.h (ggc_add_string_root): Declare.
18656 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18657 * optabs.c (init_libfuncs): Likewise.
18658 * varasm.c (named_section): Use ggc_alloc_string.
18659 (make_function_rtl): Likewise.
18660 (make_decl_rtl): Likewise.
18661 (assemble_static_space): Likewise.
18662 (assemble_trampoline_template): Likewise.
18663 (output_constant_def): Likewise.
18664 (force_const_mem): Likewise.
18665 (mark_const_hash_entry): New.
18666 (mark_pool_sym_hash_table): New.
18667 (mark_varasm_state): Use it.
18668 (init_varasm_once): New.
18670 * expr.h (init_one_libfunc): Declare.
18671 * optabs.c (init_one_libfunc): New.
18672 (init_optabs): Use it.
18673 * config/gofast.h: Likewise.
18674 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18675 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18677 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18679 * Makefile.in (cppexp.o): Depend on cpphash.h.
18680 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18682 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18683 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18684 redefining poisoned identifiers, etc.
18685 (do_undef): Don't allow poisoned identifiers to be undefined.
18686 (do_pragma): Add #pragma poison.
18687 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18689 * cccp.c: Add T_POISON node type.
18690 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18692 (do_define): Generalise to handle poisoned definitions,
18693 redefining poisoned identifiers, etc.
18694 (do_undef): Don't allow poisoned identifiers to be undefined.
18695 (do_pragma): Add #pragma poison.
18696 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18698 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18699 * c-pragma.h: Add ps_poison state. We now always have generic
18702 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18704 * ggc.h (ggc_alloc): New function.
18705 (ggc_mark): Likewise.
18706 * ggc-simple.c (ggc_any): New structure.
18707 (ggc_status): Add anys.
18708 (n_anys_collected): New variable.
18709 (ggc_alloc): Define.
18710 (ggc_mark): Likewise.
18711 (ggc_collect): Collect the anys.
18713 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18715 * c-decl.c (mark_binding_level): Make static to match prototype.
18717 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18719 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18721 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18723 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18724 will use into account. Expand the max width to 5.
18727 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18729 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18730 for the rtx length.
18732 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18734 * alpha.md (call value patterns): Remove the result predicates.
18736 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18738 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18741 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18743 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18744 changed from extern char *, to extern PTR. Also fix typo in
18745 NEED_DECLARATION_REALLOC test.
18747 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18749 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18751 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18752 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18753 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18754 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18756 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18758 * cccp.c (pcfinclude): Likewise.
18760 * global.c (allocno_compare): Likewise.
18762 * haifa-sched.c (rank_for_schedule): Likewise.
18764 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18766 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18768 * stupid.c (stupid_reg_compare): Likewise.
18770 * tree.c (_obstack_allocated_p): Likewise.
18772 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18774 1999-09-08 Bruce Korb autogen@linuxbox.com
18776 * Makefile.in: Give the hapless gperf user a hint about
18777 why "gperf -F" fails.
18779 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18781 * lists.c: Include ggc.h.
18783 (init_EXPR_INSN_LIST_cache): Install it.
18785 * ggc-simple.c (init_ggc): Absorb the old init.
18786 (ggc_push_context): Use xcalloc.
18787 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18788 (ggc_collect): Add [rvts] tags to the collection stats.
18790 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18792 * cccp.c (main): Fix handling of -include and -imacros options.
18794 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18796 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18798 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18800 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18803 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18805 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18806 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18807 and SET_DEST. Update comment.
18809 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18811 * config/c4x/c4x.c: Include ggc.h.
18812 (c4x_add_gc_roots): New function.
18813 (c4x_override_options): Call c4x_add_gc_roots.
18815 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18817 * defaults.h (TARGET_ESC): Move ...
18818 * system.h: ... here, where Linas had it in the first place. Silly me.
18820 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18822 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18823 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18824 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18825 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18826 * defaults.h (TARGET_ESC): Add default.
18828 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18830 * configure.in: add i370-*-openedition, i370-*-mvs and
18831 i370-*-linux targets
18833 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18835 * dsp16xxx.c: Include ggc.h
18836 (override_options): Mark GC roots.
18837 * mn10200.c: Include ggc.h.
18838 (asm_file_start): Mark GC roots.
18839 * tahoe.c: Include ggc.h.
18840 (extensible_operand): Mark GC roots.
18842 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18844 * README: Add section discussing status of ELF ABI.
18845 * i370.c: Fix misc spelling mistakes.
18846 (i370_label_scan): Updated notes, exception handling.
18847 (i370_function_prolog): Simplify ELF stack handling.
18848 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18849 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18850 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18851 * i370.md: (movdi): Add notes.
18852 (floatsidf2): Use stack not rtca for scratch float area.
18853 (iorsi3): Correct operand constraints.
18854 * x-oe: Restore TAROUTOPTS which are used by pax.
18856 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
18858 * rs6000.c: Include ggc.h.
18859 (rs6000_add_gc_roots): New function.
18860 (override_options): Call it.
18862 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
18864 * alpha.h (alpha_compare): New.
18865 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
18866 * alpha.c: Likewise for the definitions.
18867 (alpha_emit_conditional_branch): Update for alpha_compare.
18868 (alpha_emit_conditional_move): Likewise.
18869 * alpha.md (cmpdf, cmpdi): Likewise.
18870 (setcc patterns): Likewise. Zero alpha_compare after use.
18871 (sne): Optimize (x != 0) into (0U < x).
18873 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
18875 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
18876 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
18877 (INIT_EXPANDERS): Remove.
18878 * alpha.c: Include ggc.h.
18879 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
18880 (alpha_init_machine_status, alpha_mark_machine_status): New.
18881 (override_options): Install them.
18882 (struct machine_function): Moved to alpha.h.
18883 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
18884 (alpha_init_expanders): Remove.
18885 (alpha_return_addr): Adjust to use current_function->machine.
18886 (alpha_ra_ever_killed): Likewise.
18887 (alpha_expand_epilogue): Likewise.
18888 * alpha.md (eh_epilogue): Likewise.
18890 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
18891 Melissa O'Neill <oneill@cs.sfu.ca>
18892 Geoffrey Keating <geoffk@cygnus.com>
18894 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
18895 call-used registers (call-saved registers must still be contiguous
18896 and end with r31, of course).
18898 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
18900 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
18901 (self_promoting_type_p): Delete.
18902 (self_promoting_args_p): Move ...
18903 * c-common.c: ... here.
18904 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
18905 (simple_type_promotes_to): New.
18906 * builtins.c (lang_type_promotes_to): New.
18907 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
18908 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
18909 * c-common.h: ... here.
18910 (self_promoting_args_p, simple_type_promotes_to): Declare.
18911 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
18912 (grokdeclarator): Likewise.
18913 * tree.h (lang_type_promotes_to): Declare.
18915 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
18917 Add some machine-dependent GC roots.
18918 * sparc.c: Include ggc.h.
18919 (sparc_add_gc_roots): New function.
18920 (mark_ultrasparc_pipeline_state): Likewise.
18921 (override_options): Call sparc_add_gc_roots.
18922 * pa.c: Include ggc.h.
18923 (pa_add_gc_roots): New function.
18924 (mark_deferred_plabels): Likewise.
18925 (override_options): Call pa_add_gc_roots.
18926 * mips.c: Include ggc.h.
18927 (mips_add_gc_roots): New function.
18928 (override_options): Use it.
18930 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18932 * cpperror.c (cpp_file_line_for_message): Constify a char*.
18934 * cppexp.c (parse_number, parse_charconst, cpp_lex,
18935 cpp_parse_expr): Add static prototypes.
18936 (parse_charconst): Don't cast away const-ness.
18937 (token): Constify a char*.
18939 * cppfiles.c (file_name_list, include_hash, find_include_file,
18940 finclude, initialize_input_buffer): Constify a char*.
18941 (file_cleanup, find_position): Add static prototypes.
18943 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
18944 collect_expansion): Add static prototypes.
18945 (cpp_install, create_definition, monthnames): Constify a char*.
18947 * cpphash.h (cpp_install): Likewise.
18949 * cppinit.c (known_suffixes, default_include,
18950 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
18951 (base_name, dump_special_to_buffer, initialize_dependency_output):
18952 Add static prototypes.
18954 * cpplib.c (my_strerror): Constify a char*.
18955 (null_underflow, null_cleanup, skip_comment, copy_comment,
18956 copy_rest_of_line, handle_directive, pass_thru_directive,
18957 get_directive_token, read_line_number, cpp_print_file_and_line,
18958 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
18959 v_cpp_warning_with_line, detect_if_not_defined,
18960 consider_directive_while_skipping): Add static prototypes.
18961 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
18962 cpp_pedwarn_with_file_and_line): Constify a char*.
18964 * cpplib.h (cpp_options, include_hash, progname, definition,
18965 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
18966 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
18967 find_include_file, deps_output, include_hash): Constify a char*.
18969 * cppmain.c (progname): Constify.
18970 (main): Add prototype. Use return, not exit.
18972 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
18973 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
18974 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
18975 check_protection): Add static prototype.
18977 (progname, recognized_macrom, recognized_extern): Constify a char*.
18978 (main): Add prototype.
18980 * gen-protos.c (progname): Constify a char*.
18982 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
18984 * emit-rtl.c (free_emit_status): Take decl as a parameter.
18985 (init_emit_once): Add more GC roots.
18986 * except.c (mark_func_eh_entry): New function.
18987 (mark_eh_node): Mark false_label and rethrow_label.
18988 (init_eh): Add more GC roots.
18989 * function.c (free_after_compilation): Take decl as a paramter.
18990 Call free_stmt_status.
18991 (mark_function_state): Don't assume x_parm_reg_stack_loc is
18993 * function.h (free_after_compilation): Change prototype.
18994 (free_varasm_status): Likewise.
18995 (free_emit_status): Likewise.
18996 (free_stmt_status): New function.
18997 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
18998 Remove, replacing with ...
18999 (ggc_status): New structure.
19000 (ggc_chain): New variable.
19001 (init_gcc): Define.
19002 (ggc_push_context): New function.
19003 (ggc_pop_context): Likewise.
19004 (ggc_alloc_rtx): Adjust for use of ggc_chain.
19005 (ggc_alloc_rtvec): Likewise.
19006 (ggc_alloc_tree): Likewise.
19007 (ggc_alloc_string): Likewise.
19008 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
19009 (ggc_mark_tree): Give language-dependent code a chance to mark
19011 (ggc_mark_tree_varray): Handle empty arrays.
19012 (ggc_collect): Adjust for use of ggc_chain. Clear
19013 bytes_alloced_since_last_gc.
19014 * ggc.h (ggc_pop_context): New function.
19015 (ggc_push_context): Likewise.
19016 * print-tree.c (print_node): Don't print obstacks when GC'ing.
19017 * stmt.c (free_stmt_status): New function.
19018 (init_stmt_for_function): Clear last_expr_value.
19019 * toplev.c (rest_of_compilation): Always call free_after_compilation.
19020 Conditionalize call to ggc_collect.
19021 (main): Call init_ggc.
19022 * tree.c (push_obstacks): Do the push, even when GC'ing.
19023 (push_obstacks_nochange): Likewise.
19024 (pop_obstacks): Liekwise.
19025 * varasm.c (free_varasm_status): Take decl as a parameter.
19027 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
19029 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
19030 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
19031 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
19032 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
19034 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
19036 * pa/x-pa-mpeix: New file for the MPE port.
19038 * pa/quadlib.asm: New file for long double support.
19040 * configure.in: Add hppa1.0-*-mpeix for MPE port.
19041 * configure: Rebuilt.
19043 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
19045 * final.c (shorten_branches): Fix last change.
19047 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
19049 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
19051 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
19053 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
19056 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19058 * c-aux-info.c (concat): Don't define.
19060 * cccp.c (my_strerror): Likewise. All callers changed to use
19062 (do_include): Call xstrdup, not xmalloc/strcpy.
19063 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
19064 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
19066 * collect2.c (my_strsignal): Likewise. All callers changed to use
19068 (locatelib): Call xstrdup, not xmalloc/strcpy.
19070 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
19072 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
19074 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
19076 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
19078 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
19080 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
19082 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
19084 (find_all_handler_type_matches): Likewise. Don't check return
19086 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
19087 xmalloc, not malloc.
19088 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
19090 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
19091 (init_spec): Call xcalloc, not xmalloc/bzero.
19092 (set_spec): Call xstrdup, not save_string.
19093 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
19094 (find_a_file): Call xstrdup, not xmalloc/strcpy.
19095 (process_command): Call xstrdup, not save_string.
19096 (main): Call xcalloc, not xmalloc/bzero.
19098 * gcov.c (xmalloc): Don't define.
19099 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
19100 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
19101 (output_data): Call xcalloc, not xmalloc/bzero.
19103 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
19105 * mips-tdump.c (xmalloc): Don't define.
19106 (print_symbol): Call xmalloc, not malloc.
19107 (read_tfile): Call xcalloc, not calloc.
19109 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
19110 Don't define. All callers of xfree/my_strsignal changed to use
19111 free/strsignal instead.
19112 (allocate_cluster): Call xcalloc, not calloc.
19114 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
19115 Fix memory leak, free allocated memory.
19117 * prefix.c (translate_name): Call xstrdup, not save_string.
19118 (update_path): Likewise.
19120 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
19122 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
19123 Don't define. Callers of xfree/savestring2 changed to use
19124 free/concat instead.
19126 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
19127 (init_elim_table): Likewise.
19129 * resource.c (init_resource_info): Likewise.
19131 * stupid.c (stupid_life_analysis): Likewise.
19133 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
19134 (open_dump_file): Call concat, not xmalloc/strcpy/...
19135 (clean_dump_file): Likewise.
19136 (compile_file): Call xstrdup, not xmalloc/strcpy.
19138 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
19140 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
19141 * v850.c (v850_va_arg): New.
19143 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19145 * haifa-sched.c: Tidy comments.
19147 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19149 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
19150 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
19151 $(out_object_file)): Depend on ggc.h.
19152 * c-common.c: Include "ggc.h".
19153 (combine_strings): If doing GC, use ggc_alloc_string.
19154 * c-decl.c: Include "ggc.h".
19155 (ggc_p): Define with value 0.
19156 (mark_binding_level): New function.
19157 (init_decl_processing): Add GC roots.
19158 (mark_c_function_context): New function.
19159 (lang_mark_false_label_stack): New function.
19160 (lang_mark_tree): New function.
19161 (lang_cleanup_tree): New function.
19162 * c-lang.c: Include "ggc.h".
19163 (lang_init): Call c_parse_init.
19164 * c-lex.c: Include "ggc.h".
19165 (check_linenum): If doing GC, don't copy filenames to permanent
19167 * c-parse.in: Include "ggc.h".
19168 (c_parse_init): New function.
19169 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
19170 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
19172 * except.c (mark_eh_state): Mark more state.
19173 * function.c (mark_function_state): Likewise.
19174 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
19175 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
19176 * toplev.c (mark_file_stack): New function.
19177 (compile_file): If doing GC, use ggc_alloc_string on input filename.
19178 (main): Add root for input_file_stack.
19180 * i386.c: Include "ggc.h".
19181 (ix86_mark_machine_status): New function.
19182 (override_options): Set mark_machine_status.
19184 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19186 * tree.c (copy_node): Copy node contents also if doing GC.
19188 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19190 * collect2.c (scan_libraries): Fix double-thinko :-).
19192 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
19194 * collect2.c (scan_libraries): Fix thinko.
19196 * cse.c (delete_trivially_dead_insns): Do not skip the last
19197 insn if it is a real insn.
19199 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
19201 * Makefile.in (ggc-simple.o): Depend on hash.h.
19202 * ggc.h (ggc_add_tree_hash_table_root): Declare.
19203 (ggc_mark_tree_varray): Likewise.
19204 (ggc_mark_tree_hash_table): Likewise.
19205 * ggc-simple.c: Include hash.h.
19206 (ggc_mark_tree_hash_table_ptr): New function.
19207 (ggc_mark_tree_hash_table_entry): Likewise.
19208 (ggc_mark_tree_hash_table): Likewise.
19209 (ggc_add_tree_hash_table_root): Likewise.
19210 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
19211 rtx, when defining fields.
19213 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19215 * profile.c (output_func_start_profiler): Remove apparently
19216 nonsensical call to start_sequence.
19218 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
19220 * clipper/clipper.c (clipper_va_start): Fix typos.
19222 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
19223 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
19224 (spur_va_arg): New stub.
19226 * configure.in: Comment out pyramid.
19228 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
19230 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
19231 don't conflict with the bits that win32, cygwin, and dgux
19234 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
19235 Bernd Schmidt <bernds@cygnus.co.uk>
19237 * integrate.c (function_cannot_inline_p): Do not inline
19238 functions with forced labels.
19240 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
19241 Bernd Schmidt <bernds@cygnus.co.uk>
19242 Mark Mitchell <mark@codesourcery.com>
19244 * Makefile.in (ggc-simple.o): Depend on varray.h.
19245 (rtl.o): Depend on ggc.h.
19246 (genattrtab.o): Depend on ggc.h.
19247 (print-tree.o): Likewise.
19248 (fold-const.o): Likewise.
19249 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
19250 (make_insn_raw): Don't cache insns when GC'ing.
19251 (emit_insn_before): Likewise.
19252 (emit_insn_after): Likewise.
19253 (emit_insn): Likewise.
19254 (start_sequence): Use xmalloc to allocate the sequence_stack.
19255 (end_sequence): Add free to free it.
19256 (gen_sequence): Don't cache insns when GC'ing.
19257 (clear_emit_caches): Don't use sequence_element_free_list.
19258 (init_emit): Use xcalloc, not xmalloc+bzero.
19259 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
19260 * function.c (pop_function_context_from): Use free to free the
19261 fixup_var_refs_queue.
19262 (put_reg_into_stack): Allocate it with xmalloc.
19263 * genattrtab.c: Include ggc.h.
19264 (operate_exp): Don't use obstack_free when GC'ing.
19265 (simplify_cond): Likewise.
19266 (simplify_text_exp): Likewise.
19267 (optimize_attrs): Likewise.
19268 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
19270 (gencode): Generate a #include for ggc.h.
19271 * ggc-callbacks.c (ggc_p): Define it to zero.
19272 * ggc-none.c (ggc_p): Likewise.
19273 * ggc-simple.c: Include varray.h.
19274 (ggc_mark_tree_varray): New function.
19275 (ggc_add_tree_varray_root): Likewise.
19276 (ggc_mark_tree_varray_ptr): Likewise.
19277 * ggc.h (ggc_p): Declare.
19278 (varray_head_tag): Likewise.
19279 (ggc_add_tree_varray_root): Declare.
19280 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19281 inconsistencies when GC'ing.
19282 * rtl.c: Include ggc.h.
19283 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19284 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19285 (rtx_free): Don't call obstack_free when GC'ing.
19286 * toplev.c (rest_of_compilation): Call ggc_collect after every
19288 * tree.c (push_obstacks): Do nothing, if GC'ing.
19289 (pop_obstacks_nochange): Likewise.
19290 (pop_obstacks): Likewise.
19291 (make_node): Use ggc_alloc_tree when GC'ing.
19292 (copy_node): Likewise.
19293 (get_identifier): Use ggc_alloc_string when GC'ing.
19294 (build_string): Likewise.
19295 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19296 (tree_cons): Likewise.
19297 (build1): Likewise.
19298 (type_hash_canon): Don't call obstack_free when GC'ing.
19300 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19302 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19303 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19305 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19306 Bernd Schmidt <bernds@cygnus.co.uk>
19307 Mark Mitchell <mark@codesourcery.com>
19309 * Makefile.in (stor-layout.o): Depend on ggc.h.
19310 (expr.o): Depend on ggc.h.
19311 (profile.o): Depend on ggc.h.
19312 (stor-layout.o): Depend on ggc.h.
19313 * emit-rtl.c (init_emit_once): Add gc roots.
19314 * expr.c: Include ggc.h.
19315 (emit_block_move): Add gc roots.
19316 (clear_storage): Likewise.
19317 * expr.h (init_stor_layout_once): New function.
19318 * profile.c: Include ggc.h.
19319 (init_arc_profiler): profiler_label is a root.
19320 * scan.c (make_sstring_space): Trust xrealloc to function
19321 correctly with first parameter NULL.
19322 * stor-layout.c: Include ggc.h.
19323 (set_sizetype): Add gc root.
19324 (init_stor_layout_once): New function.
19325 * toplev.c (compile_file): Call it.
19327 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19328 Bernd Schmidt <bernds@cygnus.co.uk>
19329 Mark Mitchell <mark@codesourcery.com>
19331 * Makefile.in (tree.o): Depend on ggc.h.
19332 (varasm.o): Likewise.
19333 (function.o): Likewise.
19334 (stmt.o): Likewise.
19335 (except.o): Likewise.
19336 (optabs.o): Likewise.
19337 (emit-rtl.o): Likewise.
19338 * emit-rtl.c: Include ggc.h.
19339 (sequence_element_free_list): Remove, and all references.
19340 (mark_sequence): New functions.
19341 (mark_emit_state): New function.
19342 * except.c: Include ggc.h.
19343 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19344 (mark_tree_label_node): New functions.
19345 (mark_eh_state): New function.
19346 * function.c: Include ggc.h.
19347 (mark_temp_slot, mark_function_chain): New functions.
19348 (mark_function_state): New function.
19349 (init_function_once): New function.
19350 * function.h (init_function_once): New function.
19351 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19352 * ggc.h (label_node): Declare.
19353 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19354 (lang_mark_false_label_stack): New function.
19355 (mark_temp_slot): Remove declaration.
19356 (mark_function_chain): Likewise.
19357 (mark_eh_state): Adjust prototype.
19358 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19360 * optabs.c: Include ggc.h.
19361 (mark_optab): New function.
19362 (init_optabs): Add gc roots.
19363 * stmt.c: Include ggc.h.
19364 (mark_cond_nesting, mark_loop_nesting): New functions.
19365 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19366 (mark_stmt_state): New function.
19367 * toplev.c (compile_file): Call init_function_once.
19368 * tree.c: Include ggc.h.
19369 (type_hash): Move declaration earlier in file.
19370 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19371 (init_obstacks): Add gc roots.
19372 (mark_type_hash): New function.
19373 * varasm.c: Include ggc.h.
19374 (mark_pool_constant): New function.
19375 (mark_varasm_state): New function.
19377 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19379 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19381 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19383 * c-decl.c (struct language_function): Renamed from struct c_function.
19385 (c_function_chain): Delete.
19386 (push_c_function_context): New arg F. Don't warn about nested
19387 functions here. Fill LANGUAGE elt of F. Delete code to update
19388 c_function_chain. Don't call push_function_context.
19389 (pop_c_function_context): New arg F. Restore from there instead of
19390 from c_function_chain. Don't call pop_function_context. Clear out
19391 LANGUAGE field of F when done.
19392 * c-lang.c: Include "function.h"
19393 (lang_init): Initialize save_lang_status and restore_lang_status.
19394 * c-parse.in (nested_function, nested_function_notype): Warn about
19395 nested functions. Call push_function_context/pop_function_context
19396 instead of the _c_ variants.
19397 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19399 * Makefile.in (c-lang.o): Update dependencies.
19401 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19402 regno_pointer_flag, regno_pointer_align.
19403 (gen_reg_rtx): Use xrealloc to enlarge them.
19404 (free_emit_status): New function.
19405 * function.c (mark_machine_status, mark_lang_status): New variables.
19406 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19407 in some bits from assign_stack_local. All callers changed to use new
19409 (assign_stack_local): Just call assign_stack_local_1.
19410 (free_after_compilation): New function.
19411 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19412 (trampoline_address): Likewise.
19413 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19414 (prepare_function_start): Explicitly clear some more variables.
19415 * function.h (struct function): New elt can_garbage_collect.
19416 (mark_machine_status, mark_lang_status): Declare variables.
19417 (free_after_compilation, free_emit_status, free_varasm_status,
19418 init_varasm_status): Declare functions.
19419 * toplev.c (rest_of_compilation): Call free_after_compilation when
19420 done with the current function.
19421 * varasm.c (free_varasm_status): New function.
19423 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19425 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19426 (EXPAND_BUILTIN_VA_ARG): Define.
19427 * sparc.c (sparc_va_start): New.
19428 (sparc_va_arg): New.
19430 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19432 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19434 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19436 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19438 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19440 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19441 (OBJS): Add $(GGC).
19442 (ggc-callbacks.o): New target.
19443 * ggc-callbacks.c: New file.
19445 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19447 * expr.h: Collapse individual optab and libfunc vars to arrays.
19448 (optab_index, libfunc_index): New enumerations.
19449 (optab_table, libfunc_table): New arrays.
19450 Add accessor macros for both.
19452 * optabs.c (optab_table, libfunc_table): New.
19453 Delete declarations for individual optab and libfunc vars.
19455 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19457 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19459 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19461 * Makefile.in (GGC, GGC_LIB): New.
19462 (HOST_RTL): Include ggc-none.o.
19463 (ggc-simple.o): New target.
19464 (ggc-none.o): Likewise.
19465 * tree.h (tree_common): Add gc_mark.
19466 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19467 (struct rtvec_def): Add gc_mark.
19468 * emit-rtl.c (global_rtl): Update static initializers to contain
19469 enough initializers.
19470 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19471 * toplev.c (gc_time): New variable.
19472 (all_time): New variable.
19473 (compile_file): Print gc time.
19474 (print_time): Calculate percentage of the whole.
19476 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19478 Change obstack memory management and varasm constant pool handling so
19479 that nested functions are treated like any other functions.
19480 * function.c (init_machine_status): New variable.
19481 (push_function_context_to): Set contains_functions for the outer
19482 function. Don't call save_varasm_status.
19483 (pop_function_context_from): Don't call restore_varasm_status. Don't
19484 set current_function_contains_functions.
19485 (prepare_function_start): Call init_varasm_status rather than
19486 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19488 * function.h (struct function) Add field varasm. Delete fields
19489 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19490 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19491 (init_machine_status): Declare.
19492 (save_varasm_status, restore_varasm_status): Delete declarations.
19493 (save_tree_status, restore_tree_status): Delete last argument.
19494 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19495 code. All callers changed.
19496 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19497 save_constants_in_decl_trees, restore_constants, save_constants,
19498 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19500 (inlining): New variable.
19501 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19502 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19504 (save_for_inline_nocopy): Don't save constants.
19505 Don't set inl_emit field in current_function.
19506 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19507 function. Set new variable inlining before
19508 calling copy_rtx_and_substitute.
19509 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19510 constant pool references if inlining is nonzero.
19511 Delete ADDRESS and (most of the) CONST cases.
19512 (output_inline_function): Save and restore current_function/
19513 current_function_decl. Delete restore_constants code. Don't call
19514 init_const_rtx_hash_table.
19515 * output.h (init_const_rtx_hash_table): Don't declare.
19516 * rtl.h (struct function): Declare.
19517 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19518 * toplev.c (rest_of_compilation): Don't treat nested functions or
19519 functions containing them specially. Delete all code to deal with
19520 save_for_inline_copying.
19521 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19522 inline_obstacks): Delete variables.
19523 (save_tree_status): Lose arg CONTEXT. All callers changed.
19524 Simply allocate a new function_maybepermanent_obstack for the new
19525 function, delete all the special cases.
19526 Don't save inline_obstacks.
19527 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19528 Delete special handling for function_maybepermanent_obstack; simply
19530 Don't restore inline_obstacks.
19531 (permanent_allocation): Delete code that frees inline_obstacks.
19532 (print_inline_obstack_statistics): Delete function.
19533 (dump_tree_statistics): Don't call it.
19534 * varasm.c (struct varasm_status): New.
19535 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19536 last_pool, pool_offset, const_double_chain): Delete global
19537 variables, replace with accessor macros.
19538 (immed_double_const): Don't walk const_double_chain outside a
19539 function, but don't treat nested functions specially anymore.
19540 (immed_real_const_1): Likewise.
19541 (clear_const_double_mem): Don't treat nested functions specially.
19542 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19543 (save_varasm_status, restore_varasm_status): Delete functions.
19544 (init_varasm_status): New function.
19545 (force_const_mem): Don't treat nested functions specially.
19546 (find_pool_constant): Accept new arg F, search for constants in
19547 that function's pool rather than the current one. All callers
19549 (get_pool_constant_for_function, get_pool_mode_for_function): New
19552 * i386.c (init_386_machine_status): New function, mostly from
19553 clear_386_stack_locals.
19554 (struct machine_functions): Rename element names to avoid name
19556 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19557 macros, replacing global variables.
19558 (clear_386_stack_locals, save_386_machine_status,
19559 restore_386_machine_status): Delete functions.
19560 (override_options): Initialize init_machine_status.
19561 * i386.h (INIT_EXPANDERS): Delete macro.
19562 (save_386_machine_status, restore_386_machine_status,
19563 clear_386_stack_locals): Delete declarations.
19565 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19567 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19568 (doloop_begin): Simplify pattern and use emit_jump_insn.
19569 (doloop_end): Simplify pattern, switch operand order,
19570 and use emit_jump_insn.
19572 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19574 * function.h (struct function): Add new element LANGUAGE.
19575 (save_lang_status): Declare new variable.
19576 (restore_lang_status): Likewise.
19577 * function.c (save_lang_status): Define.
19578 (restore_lang_status): Likewise.
19579 (push_function_context_to): Call language-specific save function.
19580 (pop_function_context_from): Call language-specific restore function.
19582 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19584 * i386.md (movsf_1): Check REG_P before use of REGNO.
19585 (movdf_1): Likewise.
19586 (movxf_1): Likewise.
19587 (extendsfdf2): Likewise.
19588 (extendsfxf2): Likewise.
19589 (extenddfxf2): Likewise.
19591 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19593 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19594 constants into memory.
19595 (c4x_shiftable_constant): New function.
19596 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19597 (c4x_shiftable_constant): Declare.
19598 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19599 ashlqi3_noclobber): Add new patterns and associated splitters.
19601 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19603 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19604 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19605 * final.c (shorten_branches): Likewise.
19606 * global.c (global_alloc): Likewise.
19607 * haifa-sched.c (build_control_flow): Likewise.
19608 * stmt.c (check_for_full_enumeration_handling): Likewise.
19609 (estimate_case_costs): Likewise.
19611 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19613 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19615 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19617 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19618 (recompute_reg_usage): Likewise.
19619 * rtlanal.c (find_regno_fusage): Likewise.
19621 * rtl.c (rtl_check_failed_code1): New function.
19622 (rtl_check_failed_code2): New.
19623 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19624 (RTL_CHECKC1, RTL_CHECKC2): New.
19625 (XC*): New accessor macros.
19626 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19627 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19628 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19629 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19630 (TRAP_*, RANGE_INFO_*): Likewise.
19632 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19634 * Makefile.in (tlink.o): Don't depend on toplev.h.
19636 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19637 output_file, nm_file_name, ldd_file_name, strip_file_name,
19638 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19639 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19640 fork_execute, maybe_unlink, add_to_list,
19641 extract_init_priority, write_list, dump_list,
19642 dump_prefix_list, write_list_with_asm, write_c_file,
19643 write_c_file_stat, write_c_file_glob, scan_prog_file,
19644 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19645 ignore_library, extract_string, notice, dump_file, target_machine,
19646 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19647 read_file, print_load_command): Constify a char*.
19648 (fdopen, error, fatal, fatal_perror): Don't prototype.
19649 (my_strerror): Remove. All callers use xstrerror instead.
19650 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19651 (main): Add prototype. Constify lots of char* ptrs. Change calls
19652 to xcalloc/strcpy/strcat/... to one call to concat.
19653 (main, scan_prog_file, scan_libraries): Use an intermediate
19654 `const char **' to build an argv array.
19655 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19657 * collect2.h (collect_execute, collect_wait, dump_file,
19658 file_exists): Constify a char*.
19659 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19660 temporary_firstobj, vflag, debug): Add extern declarations.
19661 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19663 * tlink.c: Don't include toplev.h.
19664 (vflag, debug, ldout, c_file_name, temporary_obstack,
19665 permanent_obstack, temporary_firstobj): Don't declare.
19666 (tlink_execute, frob_extension, symbol_hash_lookup,
19667 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19668 recompile_files, read_repo_files, demangle_new_symbols,
19669 scan_linker_output): Constify a char*.
19670 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19671 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19673 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19675 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19676 (relative) rather than jsr (absolute) subroutine call insns.
19677 * config/m68k/m68k-coff.h: Ditto.
19679 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19681 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19682 now rework these too.
19683 (arm_reorg): If an insn can't reach the end of the current pool,
19684 ensure that we emit that pool before the insn.
19686 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19688 * tlink.c (scan_linker_output): Skip the initial underscore in
19689 a mangled name if appropriate.
19691 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19693 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19694 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19695 error_with_ivar, gen_declarator, create_builtin_decl,
19696 my_build_string, generate_descriptor_table, generate_ivars_list,
19697 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19698 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19699 dump_base_name, lang_decode_option, build_encode_expr,
19700 start_class, finish_class, encode_pointer, really_start_method,
19701 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19703 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19704 Add static prototypes.
19705 (build_objc_string_decl, build_selector_reference_decl,
19706 encode_bitfield, build_class_reference_decl): Remove unused
19707 parameter, all callers changed.
19708 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19709 (objc_printable_name): Likewise. Change second parameter to type int.
19710 (init_objc): Use memcpy, not bcopy, to avoid casts.
19712 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19714 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19715 reg notes on a deleted insn.
19716 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19718 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19720 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19722 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19724 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19727 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19729 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19730 * tm.texi (MD_ASM_CLOBBERS): Document it.
19732 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19734 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19735 * except.c (expand_rethrow): Remove unused variable.
19736 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19737 * flow.c (replace_insns): Likewise.
19738 (create_edge_list, verify_edge_list): Likewise.
19739 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19741 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19742 is special code to run.
19743 (main): Don't define operands to emit_operand.
19744 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19746 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19748 * alpha/alpha.h (normal_memory_operand): Declare.
19749 (reg_no_subreg_operand): Declare.
19750 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19752 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19754 * c-parse.in (compstmt_primary_start): New, broken out of first
19755 part of compstmt handling in primary.
19756 (primary): Use it. Add an error clause.
19757 (compstmt_nostart): Renamed from compstmt; remove all
19758 initial invocations of compstmt_start.
19761 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19763 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19766 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19768 * combine.c (simplify_shift_const): Remove extra semicolon.
19769 * dwarf2out.c (remove_AT): Likewise.
19770 * expmed.c (expand_mult): Likewise.
19771 * gcov.c (create_program_flow_graph): Likewise.
19772 * reorg.c (mostly_true_jump): Likewise.
19774 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19776 * fold-const.c (fold_range_test): Do not try to fold the range
19777 test if the rhs or lhs has side effects.
19779 * combine.c (simplify_rtx): Recognize another case of a synthesized
19782 * varasm.c (mark_constant_pool): When marking indirect references,
19783 only look at SYMBOL_REFs.
19785 * except.c (expand_fixup_region_end): Do not peek at
19786 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19788 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19790 * flags.h: New variables align_loops, align_loops_log,
19791 align_jumps, align_jumps_log, align_labels, align_labels_log,
19792 align_functions, align_functions_log.
19793 * toplev.c: Define them.
19794 (f_options): Handle -falign-* when they have no argument.
19795 (main): Add logic to set variables for -falign-functions,
19796 -falign-jumps, -falign-labels, -falign-loops.
19797 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19798 (display_help): Change help to match options.
19799 * final.c (LABEL_ALIGN): Default to align_labels_log.
19800 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19801 (LOOP_ALIGN): Default to align_loops_log.
19802 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19803 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19804 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19805 * varasm.c (assemble_start_function): Handle align_functions.
19807 * config/sparc/sparc.h: Don't declare sparc_align_*.
19808 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19809 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19811 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19813 * config/sparc/sparc.c: Delete sparc_align_loops,
19814 sparc_align_jumps, sparc_align_funcs and the corresponding string
19816 (sparc_override_options): Default align_functions on ultrasparc.
19817 Delete -malign-* handling.
19819 * config/mips/mips.c (override_options): On 64-bit targets,
19820 try to align code to 64-bit boundaries.
19821 (print_operand): New substitution, %~,
19822 which aligns labels to align_labels_log.
19823 * config/mips/mips.md (div_trap_normal): Use %~.
19824 (div_trap_mips16): Likewise.
19826 (absdi2): Likewise.
19827 (ffssi2): Likewise.
19828 (ffsdi2): Likewise.
19829 (ashldi3_internal): Likewise.
19830 (ashrdi3_internal): Likewise.
19831 (lshrdi3_internal): Likewise.
19832 (casesi_internal): Likewise.
19834 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19836 Merge new ia32 backend from the branch!
19838 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19839 See ChangeLog.P2 on new_ia32_branch for details.
19841 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19842 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19843 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19844 * i386/gas.h (ASM_FILE_START): Define.
19845 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19846 for name change of ix86_valid_decl_attribute_p.
19847 (i386_pe_valid_type_attribute_p): Similarly.
19849 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19851 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19852 to step through CC modes.
19854 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19856 * regmove.c (fixup_match_1): Don't move INSN in front of P if
19857 it would end up in the shadow of a live flags regsiter.
19859 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19861 * reload1.c: Fix many indentation problems.
19862 * reload.c: Likewise.
19864 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
19866 * alias.c (non_local_reference_p): Constify fmt.
19868 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
19870 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
19872 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
19874 * cse.c (delete_trivially_dead_insns): Do not delete stores to
19875 the internal_arg_pointer.
19877 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
19879 Merge peephole2 from new_ia32_branch:
19880 * Makefile.in (STAGESTUFF): Add *.peephole2.
19881 (mostlyclean): Likewise.
19882 (recog.o): Depend on resource.h.
19884 * final.c (peephole): Conditionalize decl on HAVE_peephole.
19885 (final_scan_insn): Likewise for the invocation of peephole.
19886 * genconfig.c (main): Look for peephole and peephole2 patterns.
19887 Emit HAVE_peephole* accordingly.
19888 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
19889 * flags.h (flag_peephole2): Declare.
19890 * toplev.c: New pass peephole2. New flag -fpeephole2.
19892 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
19893 * gencodes.c (main): Likewise.
19894 * genextract.c (main): Likewise.
19895 * genoutput.c (main): Likewise.
19896 * genemit.c (max_operand_1): Look for the max scratch operand.
19897 (gen_rtx_scratch): New.
19898 (gen_exp): Use it, and pass on new arg subroutine_type.
19899 (gen_expand): Take max scratch into account.
19900 (gen_split): Emit peephole2 functions.
19901 (output_peephole2_scratch): New.
19902 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
19903 * genrecog.c (routine_type): Add PEEPHOLE2.
19905 (make_insn_sequence): Match outer parallel for peep2. Discard
19906 top level scratches and dups.
19907 (add_to_sequence): New args insn_type and top. Update all callers.
19908 Handle toplevel peep2 matching insns.
19909 (write_subroutine): Handle peep2.
19910 (write_tree_1): Likewise.
19911 (write_tree): Likewise.
19913 (change_state): New arg afterward. Update all callers.
19914 Handle matching separate insns.
19915 * recog.c (recog_next_insn): New.
19916 (peephole2_optimize): New.
19917 * rtl.def (DEFINE_PEEPHOLE2): New.
19918 * resource.c (find_free_register): New argument last_insn. Use it
19919 to find a register available through the entire span.
19920 * resource.h (find_free_register): Update prototype.
19922 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
19924 * i386.c (output_strlen_unroll): Don't write xops[7]
19925 label if it wasn't set.
19927 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
19929 * cpplib.c (struct directive): Const-ify name pointer and
19930 function pointer prototype.
19931 (validate_else, do_define, do_line, do_include, do_undef,
19932 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
19933 do_elif, do_endif, do_sccs, do_assert, do_unassert,
19934 do_warning): Const-ify second arg.
19935 (directive_table): Mark const. Reorder entries by frequency
19936 of usage, record statistics.
19938 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
19940 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
19941 bounds- check RTL accesses if --enable-checking.
19942 (RTVEC_ELT): Bounds check if --enable-checking.
19943 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
19944 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
19945 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
19947 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
19948 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
19950 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
19951 (NOTE_SOURCE_FILE): Use X0STR.
19952 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
19953 MEM_ALIAS_SET): Use X0INT.
19954 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
19955 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
19957 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
19958 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
19959 (rtl_check_failed_bounds, rtl_check_failed_type1,
19960 rtl_check_failed_type2, rtvec_check_failed_bounds): New
19962 (fancy_abort): Fix comment.
19964 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
19965 (cse_insn): Decrement LABEL_NUSES for jump target before
19966 deleting jump insn.
19967 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
19968 * final.c (alter_subreg): Compute regno before changing x to
19969 REG; set REGNO(x) after changing it.
19970 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
19971 notes containing CONST_INTs.
19972 (delete_eh_regions): Use NOTE_EH_HANDLER.
19973 * function.c (put_reg_into_stack): Make reg a MEM before
19975 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
19977 (gen_mem_addressof): Make reg a MEM before initializing it.
19978 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
19980 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
19981 deleting an insn, not after.
19982 (block_alloc): Only look at PATTERN(insn) if we have to, and
19983 only if it's format class 'i'.
19984 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
19985 CONST_INT before using its INTVAL.
19986 * print-rtl.c (print_rtx): Use X0STR.
19987 * regmove.c (fixup_match_1): Don't look at PATTERN of
19988 non-class-'i' insn chain elements.
19989 * reload.c (loc_mentioned_in_p): Take address of
19990 in->fld[1].rtx directly.
19991 * reload1.c (reload): Change reg to a MEM before initializing
19993 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
19995 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
19997 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
19999 * config/mips/mips.c (machine_dependent_reorg): Force a
20000 barrier to output the local constant pool if a barrier hasn't
20001 been found at a natural point in the instruction stream.
20003 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20005 * c-parse.in (language_string): Constify.
20007 * dwarf2out.c (language_string): Remove declaration.
20009 * dwarfout.c (language_string): Likewise.
20011 * toplev.c (language_string, init_parse, finish_parse): Likewise.
20013 * tree.h (language_string, init_parse, finish_parse): Declare.
20015 * i386/sun386.h (language_string): Remove declaration.
20017 * mips.h (language_string): Likewise.
20019 * nextstep.h (language_string): Likewise.
20021 * nextstep21.h (language_string): Likewise.
20023 * rs6000.c (language_string): Likewise.
20025 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20027 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
20028 (getpwd.o): Remove target.
20030 * getpwd.c: Delete file. Its in libiberty now.
20032 * dbxout.c (getpwd): Don't prototype.
20033 * dwarf2out.c (getpwd): Likewise
20034 * dwarfout.c (getpwd): Likewise
20035 * final.c (getpwd): Likewise.
20036 * protoize.c (getpwd): Likewise.
20038 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20040 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
20042 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20044 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
20045 mark_set_resources.
20047 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
20049 * fixinc/Makefile.in (subdir): New.
20050 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
20053 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
20055 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
20056 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
20059 * invoke.texi: Fix typo.
20061 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
20062 changed. Handle autoincrement addressing modes.
20064 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
20065 just like we would the virtual incoming args register when
20068 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
20070 * rs6000.h (ASM_FILE_START): Specify complete filename, including
20071 path, in .file directive.
20073 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
20075 * gcc.texi (External Bugs): Remove obsolete note about Perl on
20078 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
20080 * stdbool.h: Make the typedef name _Bool, with bool a #defined
20083 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20085 * tree.c (tree_code_name): Constify a char*.
20087 * tree.h (tree_code_name, decl_printable_name): Likewise.
20089 * function.h (struct function): Likewise.
20091 * toplev.c (decl_name, decl_printable_name): Likewise.
20093 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
20095 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
20096 (init_objc): Remove function pointer cast.
20098 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20100 * pa.md (interspace_jump): New pattern.
20101 (builtin_longjmp): New expander.
20103 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
20105 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
20106 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
20107 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
20109 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
20111 * jump.c (delete_prior_computation): Also check calls
20112 to constant functions. Don't bother checking for a
20113 REG_UNUSED note before adding it.
20114 (delete_computation): Handle multi-word hard registers
20115 when synthesizing missing REG_DEAD notes for a register
20116 which is both set and used by an insn.
20118 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20120 * loop.c (this_loop_info): New variable.
20121 (loop_has_call, loop_has_volatile, loop_has_tablejump,
20122 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
20124 (prescan_loop, strength_reduce): New argument loop_info. All callers
20126 (scan_loop): New variable loop_info, initialise to address of
20128 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
20129 Delete variable loop_has_multiple_exit targets and replace with
20130 field in this_loop_info.
20131 (find_and_verify_loops): Rename this_loop to this_loop_num.
20132 (strength_reduce): Delete loop_iteration_info. Replace variable
20133 loop_info with function argument of same name.
20134 (insert_bct): Rework test for loop being completely unrolled.
20136 * loop.h (struct loop_info): New fields num, loops_enclosed,
20137 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
20138 has_indirect_jump, and cont. Redefine use of unroll_number.
20139 (loop_unroll_number): Delete.
20141 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
20142 field of loop_info.
20143 (loop_iterations): Delete variable vtop and instead use
20144 loop_info->vtop computed in prescan_loop.
20146 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
20148 * fix-header.c (main): Do not pass a null pointer to strcmp.
20150 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
20152 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
20154 * configure: Rebuilt.
20156 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
20158 * jump.c (jump_optimize_1): Do not delete assignments to
20159 internal_arg_pointer.
20160 * cse.c (delete_trivially_dead_insns): Always consider a set of
20161 the internal_arg_pointer live.
20163 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
20165 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
20166 (update_life_info) [REG_WAS_0]: Search the original insns rather
20167 than the new insns for the note. Fix typos finding note_dest.
20168 If no dest found, discard the note rather than abort.
20169 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
20170 (replace_insns): Remove the old insn list after update_life_info
20173 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
20175 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
20176 sched_analyze_insn.
20177 (sched_analyze_1): Let add_dependence care for not adding dups.
20178 (sched_analyze_2): Likewise.
20179 (add_branch_dependences): Likewise.
20181 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
20183 * i386/winnt.c (export_list): New type.
20184 (exports_head): Rename to
20185 (export_head): this.
20186 (i386_pe_record_exported_symbol): Add is_data flag.
20187 (i386_pe_asm_file_end): Emit directive for exported variables.
20188 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
20190 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
20191 (ASM_DECLARE_OBJECT_NAME): Likewise.
20192 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20193 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
20195 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
20197 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
20199 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
20202 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
20204 * config/openbsd.h: Define SET_ASM_OP.
20205 * tm.texi: cross-reference SET_ASM_OP in the index.
20207 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
20209 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
20210 for a CONST_DOUBLE, at compile time. Initialize rtx_length
20211 and class_narrowest_mode at compile time. Kill init_rtl.
20212 Mark rtx_length, mode_class, mode_size, mode_unit_size,
20213 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
20214 rtx_format as const. Kill all references to EXTRA_CC_MODES or
20216 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
20218 * rtl.h: Declare rtx_length and rtx_format as const.
20219 * machmode.def: Define CC(). Use CC() to define CCmode. If
20220 EXTRA_CC_MODES is defined, expand it here.
20221 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
20222 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
20223 const. Kill all references to EXTRA_CC_MODES.
20225 * toplev.c: Don't prototype or call init_rtl.
20226 * optabs.c: Don't call init_mov_optab.
20227 * genemit.c: Don't generate init_mov_optab. Don't call
20229 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
20231 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
20232 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
20233 genrecog.c: Don't call init_rtl.
20235 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
20236 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
20237 definition of EXTRA_CC_MODES.
20239 * md.texi: Kill ref to EXTRA_CC_NAMES.
20240 * tm.texi: Document new way to define EXTRA_CC_MODES.
20242 * genrecog.c: Do not look up the name of a define_split.
20243 (Unrelated bugfix.)
20245 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
20247 * config/v850/v850.md: Fix typo introduced by previous delta.
20249 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20251 * gcc.c (fatal): Make definition static to match prototype.
20253 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20255 * combine.c (get_last_value): Don't look for earlier sets if the last
20256 known set is somewhere in between the insns being combined.
20258 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
20260 * configure.in: Don't use shell ! to negate exit codes
20261 * configure: Regenerate
20263 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
20265 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
20266 the fact that ALIGN is measured in bits, not bytes.
20268 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
20270 * errors.c: New file; defines functions error, warning, and
20271 fatal, variables have_error and progname.
20272 * errors.h: New file; prototypes and decls for stuff in errors.c.
20274 * Makefile: Add rules to build errors.o and
20275 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
20276 genopinit, genrecog, genextract, genpeep, genattr, and
20277 genoutput with errors.o. Add errors.h to deps of genconfig.o,
20278 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
20279 genpeep.o, genattr.o, and genoutput.o.
20281 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20282 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20283 define or prototype fatal. Set progname at beginning of main.
20284 * genoutput.c: Likewise, and don't define or prototype error
20287 * c-typeck.c (c_expand_start_case): Return immediately if exp
20289 * fold-const.c (operand_equal_p): Return immediately if arg1
20290 or arg0 are ERROR_MARKs.
20291 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20292 fields of type ERROR_MARK when calculating if the record can
20295 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20296 with much help from Jeffrey A Law and Richard Henderson
20298 * i386.md: In the 6 insns which call output_fix_trunc,
20299 earlyclobber operands[0].
20301 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20303 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20304 creating new registers.
20306 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20308 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20309 i386_reg_alloc_order, i386_regparm_string,
20310 i386_align_loops_string, i386_align_jumps_string,
20311 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20312 and i386_branch_cost_string as type "const char *".
20313 * i386.c: Define all above strings as type "const char *".
20315 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20317 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20318 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20320 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20322 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20323 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20325 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20327 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20328 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20329 (dwarf2out_line, dwarf2out_finish): Likewise.
20330 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20332 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20334 * tree.c (lang_unsave_expr_now) : Correct return type.
20335 * tree.h (lang_unsave_expr_now) : Same.
20337 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20339 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20340 instead of duplicating code.
20342 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20344 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20346 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20348 * tree.h: fancy_abort always takes three args.
20349 * resource.c: Move include of system.h before toplev.h.
20351 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20353 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20356 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20358 * system.h: Don't redefine abort or trim_filename.
20359 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20360 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20361 whether or not __FUNCTION__ is available.
20362 * tree.h: Duplicate rtl.h's definition of abort, for files
20363 that don't include rtl.h. Delete all code to perform type
20364 checking with a compiler other than GCC.
20365 * varray.h: Delete all code to perform type checking with a
20366 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20367 its arguments exactly once, using a statement expression.
20368 Adjust the VARRAY_<type> accessor macros to match.
20369 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20370 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20371 caller's location. Define fatal_insn and fatal_insn_not_found
20372 as macros that use _fatal_insn and _fatal_insn_not_found.
20373 (fancy_abort, trim_filename): Kill prototypes.
20375 * rtl.c (trim_filename): Move here from toplev.c.
20376 (fancy_abort): New function.
20377 (DIR_SEPARATOR): Provide default definition.
20378 * tree.c (tree_check_failed, tree_class_check_failed): Go
20379 through fancy_abort.
20380 (tree_check, tree_class_check, cst_or_constructor_check,
20381 expr_check): Delete.
20382 * varray.c (varray_check_failed): New function.
20383 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20384 _fatal_insn and _fatal_insn_not_found. Go through
20386 (trim_filename, fancy_abort): Delete.
20388 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20389 * except.c (start_catch_handler): Report ICE with error/abort
20391 * final.c (output_operand_lossage): Likewise.
20392 * flow.c (verify_flow_info): Likewise.
20394 * gcc.c: Prototype fatal.
20395 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20396 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20397 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20398 Don't define fancy_abort.
20400 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20402 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20405 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20407 * m88k.h (VERSION_INFO2): Kill.
20408 (VERSION_STRING): Kill.
20410 (VERSION_INFO1): Tidy.
20411 (TARGET_VERSION): Update.
20412 * m88k/dgux.h (VERSION_INFO2): Kill.
20413 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20414 * m88k/luna.h (VERSION_INFO1): Tidy.
20415 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20416 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20417 (output_file_start): Adjust for death of VERSION_STRING.
20419 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20421 * cpplib.c (detect_if_not_defined): New function.
20422 (do_if): Use it to detect potential once-only headers.
20424 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20426 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20428 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20430 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20431 anywere in the function only if they are pseudos and set before
20432 being used (not live at the start of the function).
20433 (num_sign_bit_copies) : Same.
20434 (get_last_value_validate) : Same.
20435 (get_last_value) : Same.
20437 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20439 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20440 where N and M are constant and N is an integer multiple of M.
20442 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20444 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20445 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20446 sbitmap_union_of_preds): Add prototypes.
20447 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20448 the intersection of successors with the new flow graph structures.
20449 (sbitmap_intersection_of_preds): New function to compute the
20450 intersection of predecessors with the new flow graph structures.
20451 (sbitmap_union_of_succs): New function to compute the union of
20452 successors with the new flow graph structures.
20453 (sbitmap_union_of_preds): New function to compute the union of
20454 predecessors with the new flow graph structures.
20455 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20456 (expr_reaches_here_p): Use edge and basic_block structures instead
20457 of s_preds and s_succs.
20458 (compute_cprop_avinout): Use new sbitmap routines.
20459 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20460 of s_preds and s_succs.
20461 * flow.c (compute_flow_dominators): Compute dominators using
20462 edges and basic blocks instead of s_preds and s_succs.
20464 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20466 * lists.c (unused_insn_list, unused_expr_list): New file for
20467 maintaining various types of lists. New statics for maintaining a
20468 cache of available INSN_LIST and EXPR_LIST nodes.
20469 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20470 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20471 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20472 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20473 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20474 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20475 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20476 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20477 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20478 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20479 (remove_dependence, free_pending_lists): Use new global routines.
20480 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20481 (sched_analyze, compute_block_backward_dependences): Use new routines.
20482 (sched_analyze_1, sched_analyze_2): Use new routines.
20483 (schedule_insns): Use new global routines.
20484 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20486 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20487 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20489 * toplev.c (rest_of_compilation): Initialize node cache.
20490 * Makefile.in (OBJS): Add lists.o to list of object files.
20491 (lists.o): Add dependancies.
20493 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20495 * config/v850/v850.md: Fix compile time warning messages.
20496 * config/v850/v850.c: Fix compile time warning messages.
20497 * config/v850/v850.h: Fix compile time warning messages.
20499 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20501 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20502 Remove unused prototype for `init_lengths'.
20504 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20506 * calls.c (emit_call_1): Mark parameter `stack_size' with
20508 (expand_call): Initialize variable `insn'.
20509 (emit_library_call): Likewise for variable `high_to_save'.
20510 (emit_library_call_value): Likewise.
20511 (store_one_arg): Likewise for variables `lower_bound' and
20514 * combine.c (try_combine): Likewise for variables `i2_code_number'
20515 and `other_code_number'.
20516 (find_split_point): Likewise for variables `pos', `unsignedp' and
20518 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20519 (simplify_and_const_int): Remove unused variable `width'.
20520 (merge_outer_ops): Likewise.
20522 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20523 HOST_WIDE_INT' when comparing against one.
20524 (simplify_relational_operation): Likewise.
20525 (cse_insn): Initialize variables `src_eqv_volatile',
20526 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20528 * final.c (init_final): Constify parameter `filename'.
20529 (final_start_function): Mark parameter `optimize' with
20531 (profile_function): Likewise for parameters `first' and `optimize'.
20532 (output_source_line): Likewise for parameter `file'.
20534 * integrate.c (subst_constants): Cast a value to `size_t' when
20535 comparing against one.
20536 (mark_stores): Initialize variable `mode'. Cast a value to
20537 `size_t' when comparing against one.
20539 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20541 * loop.c (move_movables): Initialize variable `first'.
20542 (strength_reduce): Likewise for variable `increment'.
20543 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20544 value to `size_t' when comparing against one.
20545 (load_mems): Initialize variable `end_label'.
20547 * output.h (init_final): Constify parameter.
20549 * reload.c (decompose): Initialize variable `base'.
20551 * reload1.c (reload): Likewise for variable `is_scalar'.
20552 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20553 (choose_reload_regs): Initialize variable `mode'.
20554 (emit_reload_insns): Likewise for variable `store_insn'.
20555 (reload_cse_noop_set_p): Mark parameter `insn' with
20557 (reload_combine): Initialize variable `set'.
20559 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20560 (copy_loop_body): Cast a value to `size_t' when comparing against
20563 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20564 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20565 (remove_from_pending_weak_list): Mark parameter `name' with
20568 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20570 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20573 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20575 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20576 (ASM_DECLARE_FUNCTION_NAME): Define.
20577 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20578 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20579 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20580 not already defined.
20582 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20584 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20585 of n_popped when call/call_value are not defined.
20587 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20589 * tm.texi: GNU CC -> GCC conversion.
20590 (CC1_SPEC): Indicate it is used for all language front ends.
20592 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20594 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20595 NOTE_INSN_EH_REGION_END correctly.
20597 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20598 Jeff Law <law@cygnus.com>
20600 * loop.c (strength_reduce): Automatically unroll loops if the
20601 unrolled loop size is smaller than the rolled loop size.
20603 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20604 and delete comment that code should be rewritten.
20606 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20608 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20611 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20613 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20615 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20616 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20617 (LINK_SPEC): Add -u _main when building executables.
20618 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20619 (ASM_FILE_END): Use the default for ix86-pe.
20620 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20622 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20624 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20625 and ASM_CLOSE_PAREN are empty strings.
20627 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20628 Geoffrey Keating <geoffk@cygnus.com>
20630 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20631 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20632 (unprotoize.o): Ditto.
20633 (test-protoize-simple): Don't define STD_PROTO_DIR.
20634 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20635 changes to make 'test-protoize-simple' pass.
20636 (STD_PROTO_DIR): Remove define.
20637 (STANDARD_EXEC_PREFIX): Supply default define.
20638 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20639 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20640 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20641 (GET_ENV_PATH_LIST): New macro.
20642 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20643 (do_processing): Initialize default_syscalls_dir using new
20644 macros. Use it to initialize syscalls_absolute_filename.
20646 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20648 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20649 B into a register before emit_conditional_move.
20651 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20653 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20654 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20655 multiplicand out of (+ (* a b) (* c d)).
20657 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20658 Richard Henderson <rth@cygnus.com>
20660 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20661 (new_insn_dead_notes): Likewise.
20662 (update_n_sets): Likewise.
20663 (update_flow_info): Move to flow.c, renamed to update_life_info;
20664 extend to handle multiple source insns.
20665 * flow.c: Include resource.h
20666 (unlink_insn_chain): New.
20667 (split_hard_reg_notes): New.
20668 (maybe_add_dead_note): New.
20669 (maybe_add_dead_note_use): New.
20670 (find_insn_with_note): New.
20671 (new_insn_dead_notes): New.
20672 (update_n_sets): New.
20673 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20674 (maybe_remove_dead_notes): New.
20675 (update_life_info): New.
20676 (prepend_reg_notes): New.
20677 (replace_insns): New.
20678 * output.h (update_life_info): Declare.
20679 * recog.c (split_block_insns): Use update_life_info.
20680 * resource.c (find_free_register): Use reg_alloc_order, don't use
20681 fixed regs, make sure the mode is supported, don't use new regs.
20683 * rtl.h (replace_insns): Declare.
20685 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20687 * expr.c (expand_expr): Cope with COND_EXPRs with one
20688 non-returning branch.
20690 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20692 * expr.c (store_expr): Always pass down the target, even when not
20695 1999-08-24 Nick Clifton <nickc@cygnus.com>
20697 * configure.in: Define target_cpu_default for v850 targets.
20698 * configure: Regenerate
20700 * config/v850/v850.h (TARGET_CPU_generic): Define.
20701 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20702 addresses are 4 byte aligned.
20704 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20707 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20709 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20710 (main): Add prototypes.
20712 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20713 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20714 (write_attr_get): Emit prototypes along with function definition.
20715 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20716 (write_complex_function): Emit static prototype along with
20717 function definition.
20719 * genemit.c (gen_split): Emit prototypes along with function
20722 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20723 Likewise for predicates and `insn_operand_predicate'.
20724 (process_template): Emit static prototype along with function
20727 * genrecog.c (make_insn_sequence): Constify a char*. Add
20728 prototypes for get_split_*().
20729 (write_subroutine): Emit prototypes along with function
20732 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20734 * gcse.c (find_avail_set): Follow chains of register-register copies.
20735 Use oprs_not_set_p to guarantee that the returned value can be
20737 (cprop_insn): Don't verify the return value of find_avail_set with
20740 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20741 (cprop_cc0_jump): New function.
20742 (cprop_insn): Break out new function cprop_jump and use it.
20743 Also use cprop_cc0_jump for machines with CC0.
20744 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20746 * tree.h (current_function_calls_setjmp,
20747 current_function_calls_longjmp): Delete declarations.
20748 * dsp16xx.c: Include "function.h".
20749 * elxsi.c: Likewise.
20750 * gmicro.c: Likewise.
20751 * h8300.c: Likewise.
20752 * i370.c: Likewise.
20753 * m32r.c: Likewise.
20754 * mn10200.c: Likewise.
20755 * mn10300.c: Likewise.
20756 * ns32k.c: Likewise.
20757 * spur.c: Likewise.
20758 * v850.c: Likewise.
20760 * rtl.h (rtx_equal_function_value_matters): Declare.
20761 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20763 * function.c: Likewise.
20764 * emit-rtl.c: Likewise.
20766 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20768 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20771 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20773 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20776 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20778 * cpp.texi: Add a node documenting macro varargs (copied
20781 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20783 * cppspec.c: Put a null pointer at the end of the new argv.
20785 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20787 * configure.in: Remove code to select/de-select the haifa
20788 scheduler. Every scheduled port gets haifa now.
20789 * configure: Rebuilt.
20790 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20792 * Makefile.in: Corresponding changes.
20794 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20796 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20797 All callers changed.
20798 (prepare_float_lib_cmp): Likewise.
20799 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20800 * expr.h (emit_float_lib_cmp): Delete declaration.
20801 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20802 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20803 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20805 (cmptf): Now conditional on TARGET_HARD_QUAD.
20807 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20809 * resource.c (mark_target_live_regs): Use
20810 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20812 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20814 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20816 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20818 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20820 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20822 * rtl.h (rtx_format): Constify a char*.
20824 * rtl.c (rtx_format): Likewise.
20825 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20826 (init_rtl): Use accessor macro, not `rtx_format'.
20828 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20831 * caller-save.c (mark_referenced_regs): Likewise.
20833 * combine.c (subst, make_compound_operation, known_cond,
20834 gen_rtx_combine, update_table_tick, get_last_value_validate,
20835 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20837 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20838 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20839 count_reg_usage): Likewise.
20841 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20844 * final.c (leaf_renumber_regs_insn): Likewise.
20846 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20847 dump_edge_info, count_reg_references): Likewise.
20849 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20850 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
20853 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
20854 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
20855 add_label_notes): Likewise.
20857 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
20858 clear_struct_flag, count_sub_rtxs, count_alternatives,
20859 compares_alternatives_p, contained_in_p, walk_attr_value,
20860 write_expr_attr_cache): Likewise.
20862 * genconfig.c (walk_insn_part): Likewise.
20864 * genemit.c (max_operand_1, gen_exp): Likewise.
20866 * genextract.c (walk_rtx): Likewise.
20868 * genflags.c (num_operands): Likewise.
20870 * genoutput.c (scan_operands): Likewise.
20872 * genpeep.c (match_rtx): Likewise.
20874 * genrecog.c (add_to_sequence): Likewise.
20876 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
20879 * integrate.c (save_constants, copy_for_inline,
20880 copy_rtx_and_substitute, subst_constants, restore_constants):
20883 * jump.c (mark_jump_label, invert_exp, redirect_exp,
20884 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
20886 * local-alloc.c (contains_replace_regs, memref_referenced_p):
20889 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
20890 add_label_notes, replace_call_address, count_nonfixed_reads,
20891 invariant_p, find_single_use_in_loop, find_mem_givs,
20892 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
20895 * print-rtl.c (reg_names, print_rtx): Likewise.
20897 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
20899 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
20900 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
20901 print_blocks): Likewise.
20903 * regclass.c (fix_register, record_address_regs,
20904 reg_scan_mark_refs): Likewise.
20906 * regmove.c (stable_but_for_p): Likewise.
20908 * reload.c (loc_mentioned_in_p, operands_match_p,
20909 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
20910 copy_replacements, refers_to_regno_for_reload_p,
20911 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
20912 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
20915 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
20916 delete_address_reloads_1, count_occurrences,
20917 reload_cse_mem_conflict_p, reload_combine_note_use,
20918 add_auto_inc_notes): Likewise.
20920 * resource.c (mark_referenced_resources, mark_set_resources):
20923 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
20924 reg_mentioned_p, regs_set_between_p, modified_between_p,
20925 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
20926 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
20927 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
20928 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
20930 * sched.c (sched_analyze_2, attach_deaths): Likewise.
20932 * stupid.c (stupid_mark_refs): Likewise.
20934 * unroll.c (remap_split_bivs): Likewise.
20936 * varasm.c (mark_constants): Likewise.
20938 * a29k/a29k.c (uses_local_reg_p): Likewise.
20940 * alpha/alpha.c (summarize_insn): Likewise.
20942 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
20943 eliminate_lr2ip): Likewise.
20945 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
20947 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
20948 reg_mentioned_in_mem): Likewise.
20950 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
20951 symbolic_reference_mentioned_p): Likewise.
20953 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
20955 * sh/sh.c (regs_used, mark_use): Likewise.
20957 * vax/vax.c (vax_rtx_cost): Likewise.
20959 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20961 * machmode.h (mode_name): Constify a char*.
20963 * rtl.c (mode_name): Likewise.
20965 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
20967 * optabs.c (init_libfuncs): Constify a char*.
20969 * print-tree.c (mode_name): Remove redundant declaration.
20970 (print_node): Use accessor macro, not `mode_name'.
20972 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
20974 (new_spill_reg): Constify a char*.
20976 * tree.c (mode_name): Remove redundant declaration.
20978 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20980 * rtl.c (rtx_name): Constify a char*.
20982 * rtl.h (rtx_name, fix_sched_param): Likewise.
20984 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
20985 (mypr): Use accessor macro, not `rtx_name'.
20987 * genemit.c (print_code): Constify a char*.
20989 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
20991 * genpeep.c (print_code): Constify a char*.
20993 * genrecog.c (print_code): Likewise.
20995 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
20996 end_bb): Add static prototype.
20997 (draw_edge): Constify a char*.
20998 (end_bb): Remove unused parameter.
21000 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
21001 print_block_visualization): Constify a char*.
21003 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
21005 * c-common.c (c_get_alias_set): Update comment.
21007 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21009 * linux.h (LIB_SPEC): Added.
21011 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21013 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
21015 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
21017 * tree.c (expr_check): Fix typo in last change.
21019 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
21021 * rtl.def (NOTE): Change format to "iuu0n".
21022 (ADDR_DIFF_VEC): Change format to "eEee0".
21023 (ADDRESSOF): Change format to "eit".
21025 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
21026 (RTVEC_ELT): Change to match.
21027 (XVECEXP): Use XVEC and RTVEC_ELT.
21028 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
21029 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
21030 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
21031 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
21032 TRAP_CONDITION, TRAP_CODE): Use XEXP.
21033 (INTVAL): Use XWINT.
21034 (ADDRESSOF_DECL): Use XTREE.
21035 (SET_ADDRESSOF_DECL): Delete.
21036 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
21037 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
21038 ifdefed out since 2.6 at least.
21039 (gen_rtvec_vv): Delete prototype.
21041 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
21043 (copy_most_rtx): Handle 't' format letter.
21044 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
21045 (gen_rtvec_vv): Delete function. All callers changed to use
21046 gen_rtvec_v instead.
21047 * print-rtl.c (print_rtx): Move special casing of NOTEs to
21048 the '0' format letter.
21050 * function.c (gen_mem_addressof): Don't use
21051 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
21053 * integrate.c (copy_rtx_and_substitute): Likewise.
21054 Copy 't' slots with XTREE.
21055 (subst_constants): Treat 't' slots like '[swi]' slots.
21056 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
21057 * jump.c (rtx_equal_for_thread_p): Likewise.
21058 * rtlanal.c (rtx_equal_p): Likewise.
21059 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
21060 only four arguments.
21061 * gengenrtl.c (type_from_format): Provide correct types for
21065 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
21066 If a recent gcc is in use (always in stage2 and beyond), use
21067 statement expressions, so we don't make a function call unless
21068 the check fails. Evaluate arguments exactly once.
21069 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
21070 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
21072 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
21073 they evaluate their arguments exactly once, irrespective of
21074 the compiler in use.
21076 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
21077 is used by the currently-enabled check macros. This is:
21078 (tree_check_failed, tree_class_check_failed): For gcc.
21079 (tree_check, tree_class_check, cst_or_constructor_check,
21080 expr_check): For other compilers.
21082 * gencheck.c: Do not define any *_CHECK1 macros.
21084 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
21085 Mark Mitchell <mark@codesourcery.com>
21087 * c-common.c (c_get_alias_set): Fix support for poitners and
21090 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
21092 * alias.c: Include tree.h.
21093 (nonlocal_reference_p, mark_constant_function): New functions.
21094 * flow.c (life_analysis): Call mark_constant_function.
21095 * rtl.h (mark_constant_function): Declare it.
21097 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
21099 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
21100 unrecognisable switches.
21102 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21104 * loop.c (recombine_givs): Set ix field after sorting.
21105 (recombine_givs): Remove bogus index / giv lockstep looping.
21107 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21109 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
21111 (emit_store_flag_force): Use do_compare_rtx_and_jump.
21112 (do_cmp_and_jump): Formatting fixes.
21113 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
21114 do_compare_rtx_and_jump instead of compare_from_rtx.
21115 (do_compare_rtx_and_jump): New function; mostly copied from
21117 (do_jump_for_compare): Delete.
21118 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
21120 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
21121 of compare/do_jump_for_compare pairs.
21122 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
21123 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
21124 compare_from_rtx/do_jump_for_compare pairs.
21125 (do_jump_by_parts_equality): Likewise.
21126 (do_jump_by_parts_equality_rtx): Likewise.
21127 * expr.h (do_compare_rtx_and_jump): Declare.
21128 * optabs.c (prepare_cmp_insn): New function, contains most of the code
21129 that used to be in emit_cmp_insn.
21130 (cmp_available_p): New function.
21131 (prepare_operand): New function.
21132 (emit_cmp_and_jump_insn_1): New function, contains some code that used
21133 to be in emit_cmp_insn.
21134 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
21135 parameters to be pointers; don't emit final compare but modify some of
21136 the values pointed to by the args so the caller can perform the
21137 correct comparison.
21138 (expand_binop): Call emit_store_flag_force with signed forms of
21140 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
21141 emit_jump_insn pair.
21142 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
21143 emit_cmp_and_jump_insn_1. Call emit_queue.
21144 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
21146 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
21147 jump sets cc0 before deleting it.
21148 * integrate.c (expand_inline_function): Likewise.
21149 * unroll.c (unroll_loop): Similar changes in several places.
21150 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
21151 before deleting it.
21153 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21155 * Makefile.in (insn-recog.o): Update dependencies.
21156 * genrecog.c (main): Make generated file include "function.h".
21158 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
21160 * cse.c (cse_insn): Call never_reached_warning when a jump is
21161 changed to be unconditional.
21162 * flags.h: Declare warn_notreached.
21163 * flow.c (delete_block): Call never_reached_warning when
21164 a block is deleted.
21165 * jump.c (delete_barrier_successors): Call never_reached_warning
21166 when we delete everything after a BARRIER.
21167 (never_reached_warning): New function.
21168 * rtl.h: Declare never_reached_warning.
21169 * toplev.c (warn_notreached): New variable.
21170 (lang_independent_options): Set warn_notreached
21171 when -Wunreachable-code.
21172 (compile_file): We need line numbers for -Wunreachable-code.
21174 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
21176 * haifa-sched.c (insn_unit): Fix typo on out of range test.
21177 * sched.c (insn_unit): Likewise.
21179 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
21181 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
21183 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21185 * flow.c (create_edge_list): Use xmalloc, not malloc.
21187 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
21189 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
21190 C-style comments. Do not lose the character before double slash.
21192 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21194 * basic-block.h (struct edge_list): Stucture to maintain a vector
21196 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
21197 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
21198 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
21199 New function prototypes.
21200 * flow.c (create_edge_list): Function to create an edge list.
21201 (free_edge_list): Discards memory used by an edge list.
21202 (print_edge_list): Debug output showing an edge list.
21203 (verify_edge_list): Internal consistency check for an edge list.
21204 (find_edge_index): Function to find an edge index for a pred and succ.
21206 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
21208 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
21211 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
21213 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
21215 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
21217 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21219 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
21221 * toplev.c (rest_of_compilation): Allow machine dependent
21222 reorganisation pass to place information into the RTL dump
21223 file if it so wishes.
21225 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
21227 * explow.c (hard_function_value): Use VOIDmode instead of
21229 * stmt.c (expand_return): Likewise.
21230 * stor-layout.c (get_best_mode): Likewise.
21232 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
21233 emit call instead of emit_insn call.
21235 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21237 * configure.in: Handle --disable/enable-win32-registry.
21238 * install.texi: Document --disable/enable-win32-registry.
21239 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
21240 (WIN32_REGISTRY_KEY): New macro.
21241 * prefix.c: Use to enable/disable win32-specific code.
21242 (lookup_key): Use versioned key.
21243 * configure: Regenerate.
21244 * config.in: Likewise.
21246 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
21248 * cpplib.c (read_line_number): New fn, split out of...
21251 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21253 tree.c (lang_unsave_expr_now) : New.
21254 (unsave_expr_now): Call lang_unsave_expr_now.
21255 tree.h (lang_unsave_expr_now) : New.
21257 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
21259 * toplev.c (flag_new_exceptions): On by default.
21261 1999-08-13 Michael Meissner <meissner@cygnus.com>
21263 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
21265 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21267 * dwarfout.c (fundamental_type_code): Return FT_boolean for
21268 INTEGER_TYPE with precision==1, it's __java_boolean.
21270 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21272 * global.c (prune_preferences): Move some invariants out of the
21275 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
21277 * configure.in (alpha*-dec-osf*): Add osf5.
21279 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21281 * configure.in: Rework handling of ARM GNU/Linux slightly.
21282 (arm*-*-linux-gnuoldld): New target.
21283 * configure: Regenerate.
21284 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21285 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21286 * config/arm/linux-oldld.h: New file.
21287 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21288 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21290 * config/arm/linux-elf.h (ASM_SPEC): Define.
21291 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21292 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21293 for 26-bit APCS and old linker.
21294 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21296 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21297 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21298 don't define `arm' or `arm_elf'.
21299 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21300 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21302 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21304 * rtl.texi: Fix typo.
21306 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21308 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21310 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21312 * extend.texi (C++ Signatures): Remove node.
21313 * invoke.texi: Remove discussion of -fhandle-signatures,
21314 signature, sigof, __signature__, and __sigof__.
21316 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21318 * Makefile.in (JAVAGC): Removed.
21320 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21322 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21324 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21326 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21328 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21330 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21331 a register that is already known to be a pointer.
21333 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21335 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21336 * fixinc/inclhack.sh: Regenerated.
21337 * fixinc/fixincl.sh: Regenerated.
21339 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21341 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21342 Fix documentation of -ansi flag to describe its C++ behavior.
21343 Remove bogus reference to GCC 2.9.
21345 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21347 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21348 note if it is non-NULL.
21350 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21352 * except.h (eh_nesting_info): Add new structure defintion.
21353 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21354 (reachable_handlers, update_rethrow_references): Add function
21356 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21357 a rethrow symbol instead of an integer exception region number.
21358 * flow.c (Make_edges): Use new exception nesting routines to determine
21359 which handlers are reachable from a CALL or asynchronous insn.
21360 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21362 (delete_eh_regions): Update rethrow labels, and don't delete
21363 regions which are the target of a rethrow.
21364 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21365 avoid overloading the SYMBOL_REF_USED flag.
21366 (rethrow_symbol_map): Use new rethrow_ref field.
21367 (rethrow_used): Use new rethrow_ref field.
21368 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21369 of an integer. Fix formatting.
21370 (output_exception_table_entry): Use new rethrow_ref field.
21371 (can_throw): Check for EH_REGION_NOTE before deciding
21372 whether a CALL can throw or not.
21373 (scan_region): Call rethrow_used() instead of accessing data structure.
21374 (update_rethrow_references): New function to make sure only regions
21375 which are still targets of a rethrow are flagged as such.
21376 (process_nestinfo): New static function to initialize a handler
21377 list for a specific region.
21378 (init_eh_nesting_info): New function to allocate and initialize
21379 the list of all EH handlers reachable from all regions.
21380 (reachable_handlers): New function to retrieve the list of handlers
21381 reachable from a specific region and insn.
21382 (free_eh_nesting_info): New function to dispose of a list of
21383 reachable handlers.
21385 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21387 * flow.c (split_edge): Set JUMP_LABEL field.
21388 (commit_one_edge_insertion): Set head correctly for insert_before.
21389 When inserting insns, update insn block numbers if allocated.
21391 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21393 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21394 retry_incomplete_types): Add static prototype.
21395 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21396 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21397 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21398 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21399 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21402 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21403 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21405 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21407 * output.h (assemble_name): Constify a char*.
21409 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21410 assemble_variable, assemble_name): Likewise.
21412 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21414 * arm/pe.c (arm_pe_unique_section): Likewise.
21416 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21418 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21420 * i386/interix.c (i386_pe_unique_section): Likewise.
21422 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21424 * i386/winnt.c (i386_pe_unique_section): Likewise.
21426 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21428 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21430 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21432 * pa/pa.c (output_call): Likewise.
21434 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21436 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21438 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21441 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21444 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21446 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21447 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21449 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21451 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21453 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21455 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21457 * tree.h (lang_identify): Constify a char*.
21458 (print_error_function): Add extern prototype. Constify a char*.
21460 * c-lang.c (lang_identify): Constify a char*.
21462 * objc/objc-act.c (lang_identify): Constify a char*.
21464 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21466 * genpeep.c (main): Make generated file include "function.h".
21467 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21469 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21471 * Makefile.in: Update dependencies.
21472 * alias.c: Include "function.h"
21473 * c-decl.c: Likewise.
21474 * caller-save.c: Likewise.
21475 * calls.c: Likewise.
21476 * combine.c: Likewise.
21478 * explow.c: Likewise.
21479 * final.c: Likewise.
21480 * global.c: Likewise.
21481 * graph.c: Likewise.
21482 * local-alloc.c: Likewise.
21483 * loop.c: Likewise.
21484 * optabs.c: Likewise.
21485 * profile.c: Likewise.
21486 * recog.c: Likewise.
21487 * regclass.c: Likewise.
21488 * regmove.c: Likewise.
21489 * reload.c: Likewise.
21490 * reorg.c: Likewise.
21491 * resource.c: Likewise.
21492 * sched.c: Likewise.
21493 * stupid.c: Likewise.
21494 * config/1750a/1750a.c: Likewise.
21495 * config/a29k/a29k.c: Likewise.
21496 * config/arc/arc.c: Likewise.
21497 * config/arm/arm.c: Likewise.
21498 * config/arm/thumb.c: Likewise.
21499 * config/c4x/c4x.c: Likewise.
21500 * config/clipper/clipper.c: Likewise.
21501 * config/convex/convex.c: Likewise.
21502 * config/fx80/fx80.c: Likewise.
21503 * config/i860/i860.c: Likewise.
21504 * config/m68k/m68k.c: Likewise.
21505 * config/m88k/m88k.c: Likewise.
21506 * config/mips/mips.c: Likewise.
21507 * config/pdp11/pdp11.c: Likewise.
21508 * config/pyr/pyr.c: Likewise.
21509 * config/romp/romp.c: Likewise.
21510 * config/sh/sh.c: Likewise.
21511 * config/tahoe/tahoe.c: Likewise.
21512 * config/vax/vax.c: Likewise.
21513 * config/we32k/we32k.c: Likewise.
21514 * config/sparc/sparc.c: Include "function.h".
21515 (mem_min_alignment): Test current_function rather than
21516 regno_pointer_align.
21517 * config/pa/pa.c: Likewise.
21518 (compute_frame_size): Delete declaration of
21519 current_function_outgoing_args_size.
21520 * config/arc/arc.h (current_function_varargs): Delete declaration.
21521 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21523 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21525 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21526 current_function_uses_pic_offset_table.
21527 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21528 of current_function_returns_pointer.
21529 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21530 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21531 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21532 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21533 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21534 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21535 * config/m88k/m88k.c: Include "function.h"
21536 (call_used_regs, current_function_pretend_args_size,
21537 current_function_outgoing_args_size, frame_pointer_needed): Delete
21539 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21541 * config/mips/mips.h (current_function_calls_alloca): Delete
21543 * config/mn10200/mn10200.h (current_function_needs_context,
21544 rtx_equal_function_value_matters): Delete declarations.
21545 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21546 flag_pic): Delete declarations.
21547 * config/pa/pa.h (current_function_pretend_args_size,
21548 current_function_decl): Delete declarations.
21549 * config/pa/som.h (current_function_varargs): Delete declaration.
21550 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21552 * config/pyr/pyr.h (current_function_pretend_args_size,
21553 current_function_args_size, current_function_calls_alloca): Delete
21555 * config/sh/sh.h (current_function_varargs): Delete declaration.
21556 * config/sparc/sparc.h (current_function_outgoing_args_size,
21557 current_function_calls_alloca, current_function_decl): Delete
21559 * config/spur/spur.h (current_function_pretend_args_size,
21560 current_function_calls_alloca): Delete declarations.
21561 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21563 * config/vax/vms.h (current_function_name): Delete declaration.
21564 * gcse.c: Include "function.h".
21565 (current_function_name, current_function_calls_setjmp): Delete
21567 * haifa-sched.c: Include "function.h".
21568 (forced_labels): Delete declaration.
21569 * jump.c: Likewise.
21570 * reg-stack.c: Likewise.
21571 * reload1.c: Likewise.
21572 * genemit.c (main): Make generated file include function.h.
21573 * genoutput.c (output_prologue): Likewise.
21575 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21576 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21577 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21578 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21579 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21580 macros for some of them.
21581 (emit_filename, emit_lineno): Delete declarations.
21582 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21583 regno_pointer_* variables through current_function.
21584 (gen_inline_header_rtx): Delete function.
21585 (save_emit_status): Delete function.
21586 (set_new_last_label_num): New function.
21587 (clear_emit_caches): New function.
21588 (restore_emit_status): Just clear last_labelnum and call
21590 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21591 through macro seq_stack.
21592 (add_insn_after): Likewise.
21593 (add_insn_before): Likewise.
21594 (remove_insn): Likewise.
21595 (pop_topmost_sequence): Likewise.
21596 (in_sequence_p): Likewise.
21597 (start_sequence_for_rtl_expr): Likewise.
21598 (start_sequence): Likewise, and likewise for
21599 sequence_rtl_expr/seq_rtl_expr.
21600 (push_topmost_sequence): Likewise.
21601 (end_sequence): Likewise.
21602 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21603 All callers changed. Store into that pointer instead of globals.
21604 (init_emit): Allocate emit elt of current_function.
21605 Changes for sequence_rtl_expr/sequence_stack renaming.
21606 Call clear_emit_caches instead of doing it in-line.
21607 Access regno_pointer_* variables through current_function.
21608 (init_emit_once) Don't clear sequence_stack.
21610 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21612 (arg_pointer_save_area): Delete declaration.
21613 (finish_expr_for_function): Renamed from init_queue; no longer static.
21614 (init_expr): Don't call init_queue.
21615 (save_expr_status, restore_expr_status): Delete functions.
21616 (expand_expr): Changes to reflect new layout of struct function.
21617 Don't access current_function_check_memory_usage when current_function
21619 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21620 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21621 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21622 current_function_uses_const_pool, function_call_count,
21623 current_function_uses_pic_offset_table, nonlocal_labels,
21624 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21625 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21626 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21628 (finish_expr_for_function): Declare.
21629 * flags.h (current_function_has_nonlocal_label,
21630 current_function_has_nonlocal_goto, current_function_is_thunk,
21631 current_function_has_computed_jump): Delete declarations.
21632 * flow.c (forced_labels): Delete declaration.
21633 * function.c (current_function_pops_args,
21634 current_function_returns_struct, current_function_returns_pcc_struct,
21635 current_function_needs_context, current_function_calls_setjmp,
21636 current_function_calls_longjmp, current_function_has_nonlocal_label,
21637 current_function_has_nonlocal_goto, current_function_is_thunk,
21638 current_function_has_computed_jump, current_function_calls_alloca,
21639 current_function_contains_functions, current_function_returns_pointer,
21640 current_function_epilogue_delay_list, current_function_args_size,
21641 current_function_pretend_args_size, current_function_arg_offset_rtx,
21642 current_function_outgoing_args_size, current_function_varargs,
21643 current_function_stdarg, current_function_args_info, cleanup_label,
21644 current_function_name, current_function_uses_const_pool,
21645 current_function_instrument_entry_exit, current_function_return_rtx,
21646 current_function_uses_pic_offset_table, nonlocal_labels,
21647 current_function_internal_arg_pointer, current_function_cannot_inline,
21648 current_function_check_memory_usage, function_call_count,
21649 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21650 nonlocal_goto_stack_level, return_label, save_expr_regs,
21651 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21652 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21653 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21654 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21655 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21657 (push_function_context_to): Don't save them. Don't call
21658 save_storage_status, save_emit_status or save_expr_status.
21659 (pop_function_context_from): Don't restore them. Don't call
21660 restore_storage_status or restore_expr_status.
21661 (get_func_frame_size): New function.
21662 (get_frame_size): Use it.
21663 (assign_outer_stack_local): Reflect some member name changes in struct
21665 (put_reg_into_stack): Likewise.
21666 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21668 (fixup_var_refs): Likewise.
21669 (fix_lexical_addr): Likewise.
21670 (trampoline_address): Likewise.
21671 (prepare_function_start): Clear field inlinable of current_function.
21672 (init_function_for_compilation): New function.
21673 (expand_dummy_function_end): New function.
21674 (expand_function_end): Call finish_expr_for_function.
21675 * function.h (struct emit_status): New; fields moved here from struct
21676 function and from global variables. Add accessor macros for some of
21678 (struct expr_status): Likewise.
21679 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21680 (struct function): Add fields expr and emit, inlinable, inl_emit,
21681 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21682 inl_max_label_num. Add many comments.
21683 Add accessor macros for all elts of struct function that no longer
21684 have a global variable.
21685 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21686 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21687 stack_slot_list): Delete declarations.
21688 (get_func_frame_size): Declare.
21689 (save_expr_status, restore_expr_status, save_emit_status,
21690 save_storage_status, restore_storage_status): Delete declarations.
21691 (init_virtual_regs): Declare.
21692 * output.h (current_function_pops_args,
21693 current_function_returns_struct, current_function_returns_pcc_struct,
21694 current_function_needs_context, current_function_calls_setjmp,
21695 current_function_calls_longjmp, current_function_calls_alloca,
21696 current_function_has_nonlocal_label, current_function_varargs,
21697 current_function_has_computed_jump, current_function_returns_pointer,
21698 current_function_contains_functions, current_function_args_size,
21699 current_function_pretend_args_size, current_function_stdarg,
21700 current_function_outgoing_args_size, current_function_args_info,
21701 current_function_name, current_function_return_rtx,
21702 current_function_epilogue_delay_list,
21703 current_function_uses_const_pool, current_function_cannot_inline):
21704 Delete declarations.
21705 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21706 regno_reg_rtx): Delete declaration.
21707 (REGNO_POINTER_FLAG): Delete macro.
21708 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21709 function were renamed.
21710 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21712 * toplev.c: Include "function.h".
21713 (current_function_decl): Delete declaration.
21714 (compile_file): Call init_dummy_function_start and
21715 expand_dummy_function_end around some initializations that need to
21717 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21718 Call init_function_for_compilation.
21719 * unroll.c: Include "function.h"
21720 (unroll_loop): Access regno_pointer_* variables through
21723 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21724 (DECL_SAVED_INSNS): use it.
21725 (expand_dummy_function_end): Declare.
21726 (init_function_for_compilation): Declare.
21727 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21728 that it's no longer an INLINE_HEADER.
21729 (expand_call): Likewise.
21730 * integrate.c (finish_inline): Delete function.
21731 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21732 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21733 args. Don't generate an INLINE_HEADER rtx, just return the arg
21734 vector. All callers changed.
21735 (save_for_inline_copying): Create a duplicate struct emit_status to
21736 hold the emit state for compiling the current function. Use this and
21737 the other new fields in struct function that are for integration
21738 instead of an INLINE_HEADER.
21739 Use memcpy instead of bcopy.
21740 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21741 (save_for_inline_nocopy): Similar changes, except no new emit_status
21743 (expand_inline_function): Get information from function structure,
21744 not from an inline header rtx.
21745 (output_inline_function): Lose code to extract the necessary
21746 information from an inline header; simply put back the function
21747 structure into current_function. Clear its inlinable elt.
21748 * rtl.def (INLINE_HEADER): Delete.
21749 * rtl.h: Delete all accessors for an INLINE_HEADER.
21750 (gen_inline_header_rtx): Delete declaration.
21751 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21752 Delete declarations.
21753 (REGNO_POINTER_ALIGN): Delete.
21754 (clear_emit_caches): Declare.
21755 (set_new_last_label_num): Declare.
21757 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21759 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21761 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21762 * stmt.c (is_eh_region): Make sure current_function is present, too.
21764 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21766 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21767 for 64bit PA targets.
21769 * pa.h (SELECT_SECTION): Define.
21770 * som.h (SELECT_SECTION): Delete.
21772 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21774 * alias.c (init_alias_analysis): Wrap call to
21775 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21777 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21779 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21780 <sys/asm.h> contains an asm comment with an apostrophe
21781 * fixinc/inclhack.sh: regen
21782 * fixinc/fixincl.x: regen
21784 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21786 * function.c (init_function_start): Clear prologue & epilogue.
21787 (prologue_epilogue_contains): New function.
21788 * alias.c (init_alias_analysis): Use it.
21789 * rtl.h (prologue_epilogue_contains): Declare it.
21791 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21793 * jump.c (onlyjump_p): New function.
21794 * rtl.h: Declare it.
21795 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21796 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21798 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21800 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21801 to invert loops. Simplify block scanning.
21803 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21805 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21806 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21808 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21810 * config/sparc/liteelf.h: New file to support sparclite-elf target
21811 * config/sparc/t-sp86x: New file to support sparc86x targets
21812 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21813 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21814 * configure.in: Support above target triplets
21815 * configure: Regenerated
21817 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21819 * fixinc/server.c (server_setup): Do not prefix function used as
21820 parameter with `&'.
21822 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21824 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21825 Remove fp reg alternatives.
21827 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21829 * Makefiin (TAROUTOPTS): Kill.
21830 (install-headers-tar): Use "xpf" for tar headerfile extraction
21831 * i370/x-oe (TAROUTOPTS): Delete.
21832 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21833 * m68k/x-hp320 (TAROUTOPTS): Delete.
21834 * m68k/x-hp320g (TAROUTOPTS): Delete.
21835 * gcc.texi: Update bug reporting text.
21837 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21839 * reg-stack.c (change_stack) Fixed problem with negative array index.
21841 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21843 * extend.texi, install.texi: Fix spelling mistakes.
21845 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21846 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21847 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21848 PREMADE_ATTRTAB_MD.
21849 * mips/t-ecoff: Likewise.
21850 * mips/t-elf: Likewise.
21851 * mips/t-mips: Likewise.
21852 * mips/t-osfrose: Likewise.
21853 * mips/t-r3900: Likewise.
21854 * mips/t-svr3: Likewise.
21855 * mips/t-svr4: Likewise.
21856 * mips/t-ultrix: Likewise.
21858 * gcc.texi: Document recommend means to provide software floating
21859 point libraries in libgcc.a
21861 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
21863 * c-lex.c (yylex): We can have a number with no digits.
21865 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
21867 * jump.c (delete_prior_computation): New function, broken
21868 out of delete_computation. Check for side effects with
21869 side_effects_p instead of FIND_REG_INC_NOTE. Handle
21870 multi-word hard registers.
21871 (delete_computation): Use it. Check for side effects with
21872 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
21873 missing REG_DEAD note for a register which is both set and
21876 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
21878 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
21879 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
21880 (ASM_FILE_START): Import _mcount with the right type.
21881 (ASM_DECLARE_FUNCTION_NAME): Define.
21882 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
21883 * pa.c (output_function_prologue): Always emit the function's label
21885 * pa.h (TEXT_SPACE_P): Define.
21886 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21887 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
21888 * som.h (TEXT_SPACE_P): Delete.
21889 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
21890 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
21892 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
21894 * expr.c (emit_group_load): Allow src to be a CONCAT.
21896 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21898 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
21899 (___mulsi3): Use '!' comment character.
21901 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21903 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
21905 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
21907 * gcc.c: Update URLs and mail addresses.
21908 * gcc.texi: Likewise.
21910 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
21912 * rs6000.c (current_file_function_operand): Return zero for
21914 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
21916 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
21919 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
21921 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
21922 allocate space in the stack frame for the PIC register.
21924 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
21926 * m68k.md (xordi3, anddi3): These patterns are not available on
21929 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
21931 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
21932 (PUT_REAL): Likewise.
21934 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21936 * final.c (shorten_branches): Don't add an alignment for loops
21937 that have no label inside.
21939 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21941 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
21942 prototypes in macro HAVE_cmpstrsi.
21944 * cpplib.c (cpp_get_token): Remove unused label `op3'.
21946 * emit-rtl.c (operand_subword): Remove unused variable
21949 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
21951 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
21953 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
21955 * cpphash.c (macroexpand): Delete leading whitespace when arg
21956 is concatenated before.
21957 (unsafe_chars): Correct test for whether + and - can extend a
21960 * cppinit.c (cpp_start_read): Do dependencies for
21961 -include/-imacros files also.
21963 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
21964 tokenizing non-directive lines.
21965 (cpp_expand_to_buffer): Temporarily disable no-output mode.
21966 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
21969 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
21971 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
21973 * c-lex.c: Sync with C++ frontend.
21974 (linemode): New variable.
21975 (parse_float): imag, conversion_errno, and type are output only.
21976 (yylex): Adjust. Move initial '.' case into main switch.
21978 (handle_generic_pragma): Just deal with tokens.
21979 (readescape): Use ISXDIGIT and ISGRAPH.
21980 * c-parse.in: Add END_OF_LINE token.
21982 * c-lex.c (lang_init): Generalize.
21983 (nextchar): Remove. Replace uses with UNGETC.
21984 (skip_white_space): Handle linemode here. Optimize for cpplib.
21985 (skip_white_space_on_line): Remove.
21986 (extend_token_buffer_to): New fn.
21987 (extend_token_buffer): Use it.
21988 (read_line_number, check_newline): Just deal with tokens.
21989 (token_getch, token_put_back): New fns.
21990 (yylex): Use them. More cpplib optimizations. Simplify.
21992 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21993 Jason Merrill <jason@yorick.cygnus.com>
21995 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
21996 (consume_string): Make this smart about USE_CPPLIB.
21997 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
21998 (yylex): Rewrite to be intelligent about USE_CPPLIB.
21999 Also, clean up cases where we redundantly set token_buffer[0].
22000 (read_line_number): New fn.
22001 (ignore_escape_flag): New variable.
22003 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
22005 * a29k/t-a29kbare: Fix some comments.
22006 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
22007 (FPBIT, DPBIT): Define.
22008 * a29k/t-vx29k: Likewise.
22009 * arc/t-arc: Likewise.
22010 * arm/t-arm-elf: Likewise.
22011 * arm/t-bare: Likewise.
22012 * arm/t-pe: Likewise.
22013 * arm/t-pe-thumb: Likewise.
22014 * arm/t-semi: Likewise.
22015 * arm/t-thumb: Likewise.
22016 * arm/t-thumb-elf: Likewise.
22017 * arm/t-thumb-linux: Likewise.
22018 * h8300/t-h8300: Likewise.
22019 * i960/t-i960: Likewise.
22020 * i960/t-vxworks960: Likewise.
22021 * m32r/t-m32r: Likewise.
22022 * mips/t-ecoff: Likewise.
22023 * mips/t-elf: Likewise.
22024 * mips/t-r3900: Likewise.
22025 * pa/t-pro: Likewise.
22026 * rs6000/t-aix43: Likewise.
22027 * rs6000/t-beos: Likewise.
22028 * rs6000/t-newas: Likewise.
22029 * rs6000/t-ppccomm: Likewise.
22030 * rs6000/t-rs6000: Likewise.
22031 * rs6000/t-winnt: Likewise.
22032 * rs6000/t-xnewas: Likewise.
22033 * rs6000/t-xrs6000: Likewise.
22034 * sh/t-sh: Likewise.
22035 * sparc/t-elf: Likewise.
22036 * sparc/t-sparcbare: Likewise.
22037 * sparc/t-sparclite: Likewise.
22038 * sparc/t-splet: Likewise.
22039 * v850/t-v850: Likewise.
22040 * mn10200/t-mn10200: Fix comments.
22041 * mn10300/t-mn10300: Likewise.
22043 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
22044 dummy operand. Allocate a new pseudo for the dummy operand.
22045 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
22047 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
22049 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
22051 * configure: Rebuilt.
22052 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
22054 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
22056 * recog.c (preproces_constraints): Zero recog_op_alt before
22057 processing the constraints.
22059 * arm.c (typedef minipool_node): Renamed from pool_node.
22060 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
22061 (add_minipool_constant): New function.
22062 (dump_minipool): New function.
22063 (find_barrier): Remove special case for getting the insn size of
22064 an insn that references the constant pool.
22065 (minipool_fixup): New structure.
22066 (push_minipool_barrier): New function.
22067 (push_minipool_fix): New function.
22068 (note_invalid_constants): New function.
22069 (add_pool_constant, dump_table, fixit, broken_move): Delete.
22070 (arm_reorg): Rewrite code to fix up the constant pool into a
22071 series of mini-pools embedded in the insn stream.
22072 (arm_output_epilogue): New function, made mainly from the body
22073 of output_func_epilogue.
22074 (output_func_epilogue): Move insn generation part of epilogue code
22075 to arm_output_epilogue.
22076 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
22077 * arm.md (pool_range): New attribute.
22078 (zero_extendqidi2): Add attribute pool_range.
22079 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
22080 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
22081 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
22082 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
22083 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
22084 (epilogue): New expand.
22085 (epilogue_insn): New insn. Call arm_output_epilogue.
22087 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
22088 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
22090 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22092 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22094 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
22096 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
22098 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
22100 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
22102 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
22104 * global.c: Fix comment.
22106 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
22108 * gcc.c (access_check): New static function.
22109 (find_a_file): Use it when searching a directory list.
22110 * collect2.c (find_a_file): Don't accept directories found when
22111 searching a directory list.
22113 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
22115 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
22116 function parameters with `&'.
22117 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
22119 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
22121 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
22122 or tidy_fallthru_edge if the last insn in the block is not
22123 an unconditional jump or a simple conditional jump.
22125 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22127 * Makefile.in (c-decl.o): Depends on defaults.h.
22129 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
22131 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
22133 (CLASS_MAX_NREGS): Likewise.
22135 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
22137 * cse.c (cse_insn): Fix dumb thinko in last change.
22139 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22141 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
22144 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
22146 * dwarf2out.c (add_location_or_const_value_attribute): Correct
22147 test for sizes of passed and declared parameter types.
22149 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22151 * fixincludes: Fix the return type of bsearch, char* -> void*.
22153 * fixinc/inclhack.def: Likewise.
22155 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
22157 * invoke.texi (-fdump-translation-unit): New option.
22159 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
22161 * expr.h (PROMOTE_PROTOTYPES): Move ...
22162 * defaults.h: ... to here.
22163 * c-decl.c: Include defaults.h instead of expr.h.
22164 * c-typeck.c: Include defaults.h.
22166 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
22168 * toplev.h (errorcount): Declare.
22169 (warningcount): Likewise.
22170 (sorrycount): Likewise.
22171 * c-lex.c (errorcount): Don't declare.
22172 * dwarf2out.c (errorcount): Don't declare.
22174 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
22176 * config/libgloss.h: Add a note discouraging use with ELF.
22177 * configure.in: Don't use libgloss.h for ELF targets.
22178 Always use_collect2 on a.out targets.
22180 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
22182 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
22183 (force_to_mode, case ASHIFTRT): Add shiftrt label.
22185 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22187 * loop.c (strength_reduce): When doing biv->giv conversion, update
22188 reg note of NEXT->insn.
22190 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22192 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
22194 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22196 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
22197 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
22198 Ensure expr.h is included.
22199 * c-typecheck.c (convert_arguments): Ditto.
22201 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
22203 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
22204 * config/convex/convex.h: Ditto.
22205 * config/dsp16xx/dsp16xx.h: Ditto.
22206 * config/fx80/fx80.h: Ditto.
22207 * config/gmicro/gmicro.h: Ditto.
22208 * config/i370/i370.h: Ditto.
22209 * config/i386/i386.h: Ditto.
22210 * config/m32r/m32r.h: Ditto.
22211 * config/m68k/m68k.h: Ditto.
22212 * config/m88k/m88k.h: Ditto.
22213 * config/mips/mips.h: Ditto.
22214 * config/pa/pa.h: Ditto.
22215 * config/pyr/pyr.h: Ditto.
22216 * config/tahoe/tahoe.h: Ditto.
22217 * config/we32k/we32k.h: Ditto.
22219 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
22220 based on arch size.
22222 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
22224 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
22227 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
22229 1999-08-02 Richard Henderson <rth@cygnus.com>
22231 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
22232 for the register spill block.
22233 (m32r_va_arg): New.
22234 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
22235 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
22237 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
22238 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
22239 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
22241 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22243 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
22244 MAX_WCHAR_TYPE defined in sparc.h.
22245 * config/sparc/linuxaout.h: Likewise.
22246 * config/sparc/linux64.h: Likewise.
22247 Also default to -mvis if CPU is UltraSPARC.
22249 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22251 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
22252 (RTX_OK_FOR_OLO10): Likewise.
22253 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
22254 %lo(), allow it in addresses...
22255 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
22256 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
22257 does not make sense.
22258 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
22259 (sparc_output_scratch_registers): New function.
22260 (output_function_prologue, sparc_flat_output_function_prologue): Use
22262 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
22264 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
22265 * configure.in: Add check for .register pseudo-op support in as and
22266 check for offsetable %lo().
22267 * acconfig.h: Add templates for the above checks.
22268 * configure: Regenerate.
22270 1999-08-02 Richard Henderson <rth@cygnus.com>
22272 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
22273 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
22274 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
22276 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22278 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22281 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22283 * config/float-sparc.h: New file.
22284 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22285 sparc-*-linux-gnu and sparc64-*-linux*.
22287 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22289 * rs6000.c (rs6000_va_list): Type is an array.
22290 (rs6000_va_start): Don't doubly adjust for varargs.
22291 (rs6000_va_arg): Evaluate long long GPR adjustment.
22293 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22295 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22296 -maix64 and -maix32.
22297 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22298 LINK_SPEC): Change appropriately.
22299 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22300 (u_short_cint_operand): Likewise.
22301 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22303 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22305 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22307 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22309 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22310 for type promotion.
22311 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22312 (non_add_cint_operand): Likewise.
22313 (logical_operand): Likewise.
22314 (non_logical_cint_operand): Likewise.
22315 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22316 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22317 (rs6000_select_rtx_section): Suppress warning.
22318 (small_data_operand): Suppress warning.
22319 (rs6000_got_register): Suppress warning.
22320 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22321 type, so `J' is generally the wrong constraint for a SImode value;
22323 (andsi3_internal2): Likewise.
22324 (andsi3_internal3): Likewise.
22325 (iorsi3_internal1): Likewise.
22326 (xorsi3_internal1): Likewise.
22328 (movsf_softfloat): Likewise.
22329 (scc insns): Likewise.
22330 (movsi+2): Preserve sign bits of SImode constant.
22331 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22332 (movdf+1): Sign-extend properly.
22333 (movdi_32+1): Sign-extend properly.
22334 (scc insns): Sign-extend properly.
22336 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22339 1999-08-02 Richard Henderson <rth@cygnus.com>
22341 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22342 -mcpu parsing code.
22343 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22344 * alpha.md (all fp insns): Likewise.
22346 1999-08-02 Nick Clifton <nickc@cygnus.com>
22348 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22351 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22353 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22354 pic_load_label generator directly.
22355 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22356 No longer a named pattern.
22358 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22360 * explow.c (force_reg): Call force_operand if X does not
22361 satisfy general_operand.
22363 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22365 * fix-header.c (main): When testing for CONTINUED, use string
22366 equality, not pointer equality.
22368 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22370 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22372 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22374 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22375 that has become an unconditional jump.
22377 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22378 (output_function_epilogue): Similarly.
22380 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22382 * tree.h (init_dummy_function_start): Declare.
22384 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22386 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22387 last_expr_type, last_expr_value, block_start_count, block_stack,
22388 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22389 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22390 dynamically in stmt elt of struct function for each function.
22391 (struct nesting): Rename function_call_count elt to n_function_calls,
22392 target_temp_slot_level to block_target_temp_slot_level. All users
22394 (struct stmt_status): New structure definition.
22395 Add many accessor macros for stmt_status elements which previously
22396 were global variables.
22397 (init_stmt_for_function): Allocate stmt elt for current_function.
22398 Reflect that block_start_count was renamed to
22399 current_block_start_count.
22400 (save_stmt_status, restore_stmt_status): Delete functions.
22401 (preserve_subexpressions_p): Don't access loop_stack when outside
22403 (expand_start_bindings): Reflect that block_start_count was renamed to
22404 current_block_start_count.
22405 (expand_fixup): Likewise.
22406 (expand_decl): Don't access block_stack when outside a function.
22407 (expand_decl_cleanup): Likewise.
22408 (expand_dcc_cleanup): Likewise.
22409 (expand_dhc_cleanup): Likewise.
22410 (expand_anon_union_decl): Likewise.
22411 (set_file_and_line_for_stmt): New function.
22412 (in_control_zone_p): New function.
22414 * function.h (struct function): Add new elt stmt.
22415 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22416 case_stack, nesting_stack, nesting_depth, block_start_count,
22417 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22418 emit_lineno, goto_fixup_chain.
22419 (save_eh_status, restore_eh_status, save_stmt_status,
22420 restore_stmt_status): Delete declarations.
22421 * function.c (push_function_context_to): Don't call save_stmt_status.
22422 (pop_function_context_to): Don't call restore_stmt_status.
22423 * tree.h (in_control_zone_p): Declare.
22424 * rtl.h (set_file_and_line_for_stmt): Declare.
22426 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22427 call set_file_and_line_for_stmt.
22429 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22431 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22432 Also update copyright.
22434 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22436 * c-pragma.c: Don't include "except.h".
22437 * emit-rtl.c: Likewise.
22438 * stor-layout.c: Likewise.
22439 * tree.c: Likewise.
22440 * varasm.c: Likewise.
22442 * flow.c: Include "function.h".
22443 * tree.h (init_dummy_function_start): Declare new function.
22445 * except.h (struct eh_status): New structure.
22446 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22448 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22449 catch_clauses, false_label_stack, caught_return_label_stack,
22450 protect_list, current_function_ehc): Add accessor macros for the
22451 corresponding fields in current_function->eh; delete declarations
22452 for all items that used to be declared here.
22453 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22454 catch_clauses, false_label_stack, caught_return_label_stack,
22455 protect_list, current_function_ehc): Delete variables.
22456 (init_eh_for_function): Allocate current_function->eh.
22457 (save_eh_status, restore_eh_status): Delete functions.
22459 * function.h (struct function): Add fields next_global and eh.
22460 Delete all exception handling related fields.
22461 * function.c (current_function): New variable.
22462 (all_functions): New variable.
22463 (push_function_context_to): Don't allocate a struct function,
22464 use current_function instead. Call init_dummy_function_start when
22465 outside a function. Clear current_function before returning.
22466 (pop_function_context_from): Restore current_function.
22467 Don't free the restored struct function.
22468 (prepare_function_start): New function.
22469 (init_dummy_function_start): New function.
22470 (init_function_start): Break out some code into prepare_function_start
22473 * stmt.c (save_stmt_status): Don't call save_eh_status.
22474 (restore_stmt_status): Don't call restore_eh_status.
22476 * Makefile.in: Update dependencies.
22478 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22480 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22481 of depending on a magic constant value. Update comments.
22482 (hppa_expand_prologue): Similarly.
22484 * pa.md (reload_indi, reload_outdi): Allow any register for the
22485 original reload register.
22487 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22489 * cccp.c (print_help): Change marcos to macros.
22491 1999-07-30 Richard Henderson <rth@cygnus.com>
22493 * c-typeck.c (initializer_constant_valid_p): Move ...
22494 * c-common.c (initializer_constant_valid_p): ... here. Use
22495 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22496 of label addresses.
22497 * c-common.h (initializer_constant_valid_p): Declare.
22498 * c-tree.h (initializer_constant_valid_p): Remove.
22500 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22502 * config/i386/sol2-c1.asm: Align the stack.
22503 * config/i386/sol2-gc1.asm: Likewise.
22505 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22507 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22508 -Asparclite for sparc86x.
22509 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22511 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22513 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22515 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22516 the user if using the non-default arch size in BI_ARCH configuration.
22517 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22519 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22520 Fix patterns so that they actually match.
22521 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22522 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22523 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22525 (mulsidi3): Reflect this in the expand.
22526 (smulsi3_highpart): Only on TARGET_ARCH32.
22527 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22528 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22529 (umulsidi3): Reflect this in the expand.
22530 (umulsi3_highpart): Only on TARGET_ARCH32.
22531 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22532 don't require g0 to be zero.
22533 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22534 ({,u}divsi3): New expands.
22535 ({,u}divsi3_sp64): New patterns.
22536 (after lshrdi3_v8plus): Four new patterns to help combiner
22537 optimizing nested mixed mode shifts.
22539 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22540 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22541 speed things up. Don't use them by default on plain v9 in 64bit
22542 mode, according to what SPAMv9 sais.
22544 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22545 top 32 bits of %[og][0-7] in signal handlers.
22546 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22548 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22550 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22551 (ashlsi3): Corresponding changes.
22553 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22555 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22557 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22559 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22561 * arm.h (Hint): Delete macro.
22562 Substitute HOST_WIDE_INT for Hint in some prototypes.
22563 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22565 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22567 * builtins.c (expand_builtin_setjmp): Use force_operand to
22568 make sure that the buffer address is in a suitable form to be
22569 passed to force_reg.
22571 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22573 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22576 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22578 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22579 proper mode in the condition string.
22580 (icacheflush, dcacheflush): Remove modes from match_operands.
22582 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22583 proper mode before using it.
22585 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22588 * pa.c (store_reg): Do not call add_high_const generator directly.
22589 (load_reg, set_reg_plus_d): Likewise.
22590 * pa.md (add_high_const): No longer a named pattern.
22592 * pa.c (legitimize_address): Consistently use Pmode rather than
22593 SImode. Do not call gen_pic2_highpart directly anymore.
22594 * pa.md (pic2_highpart): No longer a named pattern.
22595 (pic2_lo_sum): Similarly. Reformat to make more readable.
22597 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22602 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22604 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22606 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22608 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22609 and tag the spill mems.
22610 (hppa_va_start): New.
22611 (hppa_va_arg): New.
22612 * pa.h (EXPAND_BUILTIN_VA_START): New.
22613 (EXPAND_BUILTIN_VA_ARG): New.
22615 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22617 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22618 and tag the spill mems.
22619 (mn10300_va_start): New.
22620 (mn10300_va_arg): New.
22621 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22622 (EXPAND_BUILTIN_VA_ARG): New.
22624 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22626 * mn10200.c (mn10200_va_arg): New.
22627 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22629 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22631 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22632 rather than play with TREE_INT_CST_LOW.
22634 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22636 * config/arm/telf.h: Include dbxelf.h.
22637 (CPP_PREDEFINES): Only define if not already defined.
22638 (ASM_IDENTIFY_GCC): Likewise.
22639 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22640 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22641 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22643 (DBX_DEBUGGING_INFO): Don't define.
22644 * config/arm/linux-telf.h: New file.
22645 * config/arm/linux-tgas.h: New file.
22646 * config/arm/t-thumb-linux: New file.
22647 * config/arm/uclinux-elf.h: New file.
22648 * config/arm/uclinux-telf.h: New file.
22649 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22650 thumb-*-uclinux): New targets.
22651 * configure: Regenerate.
22653 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22655 * pa.md (post_store, pre_load): New expanders.
22656 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22657 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22658 need to directly generate RTL for them.
22659 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22662 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22664 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22665 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22666 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22667 (secndary_reload_class): Make TARGET_ELF conditional compile.
22668 (print_operand_address): Similar.
22669 (output_toc): Print all values as hex.
22670 (get_issue_rate): Rearrange and add RS64A and PPC630.
22671 * rs6000.h (processor_type): Add RS64A and PPC630.
22672 (PROCESSOR_POWERPC64): New.
22673 (PROMOTE_MODE): Use word_mode.
22674 (RTX_COSTS): Add RS64A and PPC630.
22675 * rs6000.md (scheduling information): Add lmul and ldiv
22676 representing 64-bit integer multiply and divide. Add rs64a and
22677 PPC630 information.
22678 (ashldi3): Add support for "rldic" instruction.
22679 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22681 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22683 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22684 instead of V8 for sparclite86x in cpu_table.
22686 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22688 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22689 output_file_directive.
22691 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22693 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22694 tree for op1, not the rtl.
22696 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22698 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22699 to m88k_va_start, leaving only the register spill.
22700 (m88k_build_va_list): New.
22701 (m88k_va_start): New.
22702 (m88k_va_arg): New.
22703 * m88k.h (BUILD_VA_LIST_TYPE): New.
22704 (EXPAND_BUILTIN_VA_START): New.
22705 (EXPAND_BUILTIN_VA_ARG): New.
22707 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22709 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22710 Rename from expand_builtin_saveregs.
22711 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22713 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22715 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22716 for the register spill block.
22717 (i960_build_va_list): New.
22718 (i960_va_start): New.
22719 (i960_va_arg): New.
22720 * i960.h (BUILD_VA_LIST_TYPE): New.
22721 (EXPAND_BUILTIN_VA_START): New.
22722 (EXPAND_BUILTIN_VA_ARG): New.
22723 * i960.md (store_multiple): Use change_address on individul mems.
22725 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22727 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22729 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22730 (expand_builtin_va_end): Evaluate arg for side effects.
22731 * c-common.c (c_common_nodes_and_builtins): Construct a
22732 va_list_arg_type_node to handle array decomposition to pointer.
22734 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22736 * except.c (st_dynamic_cleanup): Use force_operand on the
22739 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22741 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22742 * c4x.c (c4x_va_arg): New.
22744 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22746 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22747 has manual_pop set.
22749 1999-07-26 Nathan Sidwell <nathan@acm.org>
22751 * eh-common.h (__eh_matcher): Prototype correctly.
22753 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22755 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22756 (TARGET_SINGLE_PIC_BASE): Likewise.
22757 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22759 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22760 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22761 (TARGET_OPTIONS): Add -mpic-register=N.
22762 (OUTPUT_INT_ADDR_CONST): New macro.
22763 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22764 LEGITIMATE_PIC_OPERAND_P): Likewise.
22765 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22766 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22767 output_addr_const directly.
22768 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22770 (thumb_pic_register, thumb_pic_register_string): Declare.
22772 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22774 (label_mentioned_p): New function: Imported from arm.c.
22775 (legitimize_pic_address): New function: Imported from arm.c.
22776 (is_pic):New function: Imported from arm.c.
22777 (thumb_finalize_pic):New function: Imported from arm.c.
22778 (add_constant): Cope with PIC constants.
22779 (fixit): Cope with PIC constants.
22780 (output_return): Do not treat the PIC register as live if
22781 TARGET_SINGLE_PIC_BASE is true.
22782 (thumb_function_prologue): Do not treat the PIC register as live if
22783 TARGET_SINGLE_PIC_BASE is true.
22784 (thumb_expand_prologue): Do not treat the PIC register as live if
22785 TARGET_SINGLE_PIC_BASE is true.
22786 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22787 TARGET_SINGLE_PIC_BASE is true.
22788 (thumb_print_operand): Accept '|'.
22789 (thumb_override_options): Process PIC options.
22791 * config/arm/thumb.md (movsi): Support PIC.
22792 (call_insn): Change "i" constraint to "X".
22793 (call_value_insn): Likewise.
22794 (consttable_4, consttable_8, consttable_end): Set and clear
22795 "making_const_table" as appropriate.
22796 (pic_load_addr, pic_add_dot_plus_four): New insns.
22798 * invoke.texi (Thumb Options): Fix spelling. Document new
22799 options -msingle-pic-base and -mpic-register=.
22801 1999-07-26 Andrew Haley <aph@cygnus.com>
22803 * config/m32r/initfini.c (__init): Use a full word immediate for
22804 __fini: this allows it to be placed in any memory region.
22806 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22807 -mmodel=medium. This is OK for all memory models.
22809 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22811 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22812 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22814 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22816 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22819 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22821 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22823 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22824 (BUILD_VA_LIST_TYPE): New.
22825 (EXPAND_BUILTIN_VA_START): New.
22826 (EXPAND_BUILTIN_VA_ARG): New.
22827 * i860.c (output_delayed_branch): Disable.
22828 (output_delay_insn): Likewise.
22829 (i860_saveregs): New.
22830 (i860_build_va_list): New.
22831 (i860_va_start): New.
22832 (i860_va_arg): New.
22833 * i860.md: Disable all peepholes using output_delayed_branch.
22834 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22836 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22838 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22839 (BUILD_VA_LIST_TYPE): New.
22840 (EXPAND_BUILTIN_VA_START): New.
22841 (EXPAND_BUILTIN_VA_ARG): New.
22842 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22843 Return the address of the save area.
22844 (clipper_build_va_list): New.
22845 (clipper_va_start): New.
22846 (clipper_va_arg): New.
22848 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22850 * arc.h (EXPAND_BUILTIN_VA_START): New.
22851 (EXPAND_BUILTIN_VA_ARG): New.
22852 * arc.c (arc_setup_incoming_varargs): Set alias set of
22854 (arc_va_start): New.
22857 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
22859 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
22860 (BUILD_VA_LIST_TYPE): New.
22861 (EXPAND_BUILTIN_VA_START): New.
22862 (EXPAND_BUILTIN_VA_ARG): New.
22863 * alpha.c (alpha_builtin_saveregs): Delete.
22864 (alpha_build_va_list): New.
22865 (alpha_va_start): New.
22866 (alpha_va_arg): New.
22868 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
22870 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
22872 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
22873 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
22875 * gcc.texi: More changes related to list conversion.
22876 * invoke.texi: Likewise.
22878 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
22880 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
22881 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
22882 (expand_builtin_next_arg): Accept ARGLIST not EXP.
22883 (stabilize_va_list): New function.
22884 (std_expand_builtin_va_start): New function.
22885 (expand_builtin_va_start): New function.
22886 (get_varargs_alias_set): New function.
22887 (std_expand_builtin_va_arg): New function.
22888 (expand_builtin_va_arg): New function.
22889 (expand_builtin_va_end): New function.
22890 (expand_builtin_va_copy): New function.
22891 (expand_builtin): Call them.
22892 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
22893 __builtin_{varargs_start,stdarg_start,end,copy}.
22894 (build_va_arg): New function.
22895 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
22896 (build_va_arg): Declare.
22897 * c-decl.c (ptr_type_node, va_list_type_node): New.
22898 * c-parse.gperf (__builtin_va_arg): New.
22899 * c-parse.in (VA_ARG): New token.
22900 (unary_expr): Recognize it.
22901 * expr.c (expand_expr): Expand VA_ARG_EXPR.
22902 * expr.h (std_expand_builtin_va_start): Declare.
22903 (std_expand_builtin_va_arg): Declare.
22904 (expand_builtin_va_arg): Declare.
22905 (get_varargs_alias_set): Declare.
22906 * tree.def (VA_ARG_EXPR): New.
22907 * tree.h (BUILT_IN_VARARGS_START): New.
22908 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
22909 (ptr_type_node, va_list_type_node): Declare.
22910 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
22911 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
22912 * m88k.h, m88k.c: Likewise.
22913 * mn10300.h, mn10300.c: Likewise.
22914 * pa.h, pa.c: Likewise.
22915 * rs6000.h, rs6000.c: Likewise.
22916 * sh.h, sh.c: Likewise.
22917 * sparc.h, sparc.c: Likewise.
22919 * emit-rtl.c (operand_subword): Copy alias set.
22920 (change_address): Likewise.
22922 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
22924 * pa.c (compute_frame_size): Scan all the used callee saved registers,
22925 not just the first one.
22927 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
22929 * config/arm/arm.h (TARGET_SWITCHES): Add
22930 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
22931 (TARGET_OPTIONS): Add -mpic-register=.
22932 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
22933 (arm_pic_register_string): Declare.
22934 (NEED_PLT_GOT): Delete, replace with ...
22935 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
22936 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
22937 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
22938 * config/arm/arm.c (arm_override_options): Add new option
22940 (arm_pic_register_string): New variable.
22941 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
22942 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
22943 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
22944 (output_return_instruction): Likewise.
22945 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
22946 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
22947 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
22949 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
22950 mention of -msched-prolog. Document new options -msingle-pic-base
22951 and -mpic-register=.
22953 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
22955 * haifa-sched.c (reemit_notes): Tidy.
22956 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
22959 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
22961 * explow.c (trunc_int_for_mode): New function.
22962 (plus_constant_wide): Use it.
22963 * combine.c (simplify_and_const_int): Likewise.
22964 (merge_outer_ops): Likewise.
22965 (simplify_shift_const): Likewise.
22966 * cse.c (simplify_unary_operation): Likewise.
22967 (simplify_binary_operation): Likewise.
22968 * emit-rtl.c (operand_subword): Likewise.
22969 * rtl.h: Declare it.
22971 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22973 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
22974 (use NUM_REGS instead of NUM_INTS).
22976 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22978 * builtins.c: New file.
22979 * expr.c (saveregs_value, apply_args_value): Delete definition,
22980 moved into builtins.c.
22981 (string_constant): No longer static.
22982 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
22983 apply_args_size, apply_result_size, result_vector,
22984 expand_builtin_apply_args, expand_builtin_apply,
22985 expand_builtin_return): Delete functions, moved into builtins.c.
22986 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
22987 * expr.h (saveregs_value, apply_args_value): Declare variables.
22988 (expand_builtin, string_constant): Declare functions.
22989 * Makefile.in: Update to build builtin.o.
22991 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
22993 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
22994 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
22995 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
22996 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
22998 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
23001 1999-07-21 Michael Meissner <meissner@cygnus.com>
23003 * print-rtl.c (print_rtx): Print the names of the virtual
23006 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
23008 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
23009 introduced in previous delta.
23011 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23013 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
23014 to avoid name clash.
23016 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23018 * c-lex.c (yylex) : Correct the test for overflow when lexing
23021 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
23023 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
23024 (adjust_priority): Always call ADJUST_PRIORITY.
23025 (schedule_insn): Only put insns into the ready at cost 0.
23026 (schedule_block): Remove redundant initial sort. Give clock_var
23027 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
23029 * tm.texi (MD_SCHED_REORDER): Update docs.
23031 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
23032 * sparc.c (ultra_reorder_called_this_block): Delete.
23033 (ultrasparc_sched_init): Don't set it.
23034 (ultrasparc_sched_reorder): Don't check it.
23036 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
23038 * rs6000.h (struct rs6000_args): Add sysv_gregno.
23039 * rs6000.c (init_cumulative_args): Init sysv_gregno.
23040 (function_arg_boundary): Align DFmode.
23041 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
23042 to get fp reg and stack overflow correct.
23043 (function_arg): Likewise.
23044 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
23045 (setup_incoming_varargs): Restructure for ABI_V4; use
23046 function_arg_advance to skip final named argument.
23047 (expand_builtin_saveregs): Properly unskip the last integer arg
23048 when doing varargs. Adjust overflow location calculation.
23050 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
23051 explicitly unsigned.
23052 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
23053 (__VA_GP_REGSAVE): Similarly.
23054 (__va_longlong_p): Delete.
23055 (__va_arg_type_violation): New declaration.
23056 (va_arg): Restructure. Flag promotion errors. Align double.
23057 TFmode passed by reference.
23059 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
23060 in the HOST_BITS_PER_WIDE_INT > 32 case.
23062 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
23064 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
23066 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
23068 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
23069 * toplev.c (documented_lang_options): Add -fpreprocessed.
23070 * cpplib.h (struct cpp_buffer): Add preprocessed.
23071 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
23072 (cpp_start_read): Don't expand macros or emit an initial #line
23073 directive if -fpreprocessed.
23075 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23077 * cpplib.h (struct cpp_buffer): Added manual_pop for
23078 better C++ tokenization.
23079 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
23080 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
23081 * c-common.c (cpp_token): Make non-static.
23083 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23085 * c-common.h: New file.
23086 * c-common.c (permanent_obstack): Delete unused declaration.
23087 (c_global_trees): New array.
23088 (c_common_nodes_and_builtins): New function; split off common code
23089 from init_decl_processing in both c-decl.c and cp/decl.c.
23090 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
23091 c_global_trees and accessor macros defined in c-common.h.
23092 Include c-common.h.
23093 * c-decl.c: Delete definitions for tree nodes that were replaced by
23095 (init_decl_processing): Build void_list_node.
23096 Call c_common_nodes_and_builtins; delete code to generate the common
23098 * objc/objc-act.c (build_module_descriptor): Rename variable
23099 void_list_node to avoid clash with c-common.h.
23101 * Makefile.in: Update dependencies.
23102 * objc/Make-lang.in: Likewise.
23104 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
23106 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
23107 (UNIQUE_SECTION_P): Likewise.
23108 (UNIQUE_SECTION): Likewise.
23110 1999-07-19 Linas Vepstas <linas@linas.org>
23112 * config/i370/README: New file.
23113 * config/i370/linux.h: New file.
23114 * config/i370/mvs.h: New file.
23115 * config/i370/oe.h: New file.
23116 * config/i370/t-linux: New file.
23117 * config/i370/t-mvs: New file.
23118 * config/i370/t-oe: New file.
23119 * config/i370/x-oe: New file.
23120 * config/i370/xm-linux.h: New file.
23121 * config/i370/xm-mvs.h: New file.
23122 * config/i370/xm-oe.h: New file.
23124 * i370.c (label_node_t): Add first_ref_page, label_addr,
23125 label_first_ref, label_last_ref members.
23126 (mvs_need_base_reload): Renamed from mvs_label_emitted.
23127 (MAX_MVS_LABEL_SIZE): Define.
23128 (MAX_LONG_LABEL_SIZE): Define.
23129 (alias_node_t, alias_anchor, alias_number): New.
23130 (mvs_function_table): Reorder for EBCDIC.
23131 (ascebc, ebcasc): Unconditionally define.
23132 (i370_branch_dest, i370_branch_length): New functions.
23133 (i370_short_branch, i370_label_scan): New functions.
23134 (mvs_get_label): Renamed from mvs_add_label. Search for
23135 an existing label before creating a new one.
23136 (mvs_add_label): New function.
23137 (mvs_get_label_page): New function.
23138 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
23139 over the entire list.
23140 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
23141 (mvs_check_page) [TARGET_ELF_ABI]: New function.
23142 (mvs_add_alias, mvs_need_alias): New functions.
23143 (mvs_get_alias, mvs_check_alias): New functions.
23144 (handle_pragma): New function.
23145 (mvs_function_check): New function.
23146 (unsigned_jump_follows_p): Search harder.
23147 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
23148 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
23149 * i370.h (TARGET_VERSION): Delete.
23150 (CPP_SPEC, CPP_PREDEFINES): Delete.
23151 (mvs_label_emitted): Delete.
23152 (TARGET_EBCDIC): Delete.
23153 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
23154 (HANDLE_PRAGMA): Define.
23155 (HARD_REGNO_NREGS): Handle complex modes.
23156 (HARD_REGNO_MODE_OK): Likewise.
23157 (CLASS_MAX_NREGS): Likewise.
23158 (RET_REG): Likewise.
23159 (EXTRA_CONSTRAINT): Define.
23160 (RETURN_IN_MEMORY): True for DImode.
23161 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
23162 (FUNCTION_PROFILER): Delete.
23163 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
23164 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
23165 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
23166 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
23167 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
23168 (ASM_FILE_START): Add "RMODE ANY".
23169 (ASM_OUTPUT_EXTERNAL): Check for aliases.
23170 (ASM_GLOBALIZE_LABEL): Likewise.
23171 (ASM_OUTPUT_LABELREF): Likewise.
23172 (ASM_OUTPUT_COMMON): Likewise.
23173 (PRINT_OPERAND): Handle 'K', 'W', default.
23174 (PRINT_OPERAND_ADDRESS): New.
23175 (Lots of defines): Add support for TARGET_ELF_ABI.
23176 * i370.md (attr length): New. Define for all patterns.
23177 (*): Lots of tweeks to assembly output and constraints.
23179 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
23181 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
23182 Disable patterns performing SImode comparisons with SImode values
23183 if TARGET_POWERPC64 and instruction does not sign-extend or does
23184 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
23185 differ for signed quantities.
23186 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
23187 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
23188 (decrement_and_branch_on_count): Add 64-bit variant.
23190 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23192 * final.c (output_asm_insn): When searching for the matching string
23193 for a given dialect, don't run past the end of the list of
23194 alternatives if there are fewer alternatives in the template than
23197 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
23199 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
23200 Removed paragraph about compression of files and size limitation,
23201 duplicated in the FAQ. Use gcc-patches for posting patches.
23202 * gcc.c (main): Updated URL with bug reporting instructions to
23203 gcc.gnu.org. Removed e-mail address.
23204 * system.h (abort): Likewise.
23206 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23208 * Makefile.in (stmp-multilib-sub): Make the files extracted
23209 from $(LIBGCC1) writable.
23211 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
23213 * config/arm/aout.h: Reformat for improved readability.
23215 * config/arm/arm.h: Reformat for improved readability.
23216 Replace uses of fprintf with asm_fprintf where appropriate.
23217 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
23218 function declaration assembler actions.
23219 (NUM_INTS): New macro: Convert from bytes to words.
23220 (NUM_REGS): New macro: Compute number of registers required to
23221 hold a quanitity of tyep MODE.
23222 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
23224 (NUM_ARG_REGS): New macro: The number of argument registers
23226 (ARG_REGISTER): New macro: Compute the register number of the Nth
23228 (LAST_ARG_REGNUM): New macro: The number of the last argument
23230 (SP_REGNUM): New macro: Register number of the stack pointer.
23231 (FP_REGNUM): New macro: Register number of the frame pointer.
23232 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
23233 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
23234 CUMULATIVE_ARGS so that it counts registers not bytes.
23236 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
23238 Replace uses of fprintf with asm_fprintf where appropriate.
23239 (output_ascii_pseudo_op): Replace with version from thumb.c
23241 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
23243 * config/arm/elf.h (CPP_PREDEFINES): Replace with
23244 SUBTARGET_CPP_SPEC.
23245 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
23246 (ASM_FILE_START): Emit ASM_APP_OFF.
23248 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
23250 * pa.c (compute_frame_size): Round frame according to
23251 STACK_BOUNDARY rather than a hardwired value.
23253 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
23255 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
23257 * configure: Rebuilt.
23259 * configure.in (hppa*-*-linux*): New configuration.
23260 * configure: Rebuilt.
23261 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
23262 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
23263 * pa/pa-linux.h: New file.
23264 * pa/t-linux: New file.
23265 * pa/xm-linux.h: New file.
23267 * pa.c (hppa_legitimize_address): Change references from SImode to
23268 either Pmode or word_mode as appropriate.
23269 (emit_move_sequence, store_reg, load_reg): Likewise.
23270 (set_reg_plus_d, hppa_expand_prologue): Likewise.
23271 (output_mul_insn): Likewise.
23272 * pa.h (PROMOTE_MODE): Likewise.
23273 (INITIALZE_TRAMPOLINE): Likewise.
23274 (Pmode): Define to word_mode.
23276 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
23277 value of 4. Allocate 8 bytes for each FP register save.
23278 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23280 (hppa_expand_prologue): Likewise.
23281 * pa.h (PROMOTE_MODE): Likewise.
23282 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23283 (FUNCTION_ARG_BOUNDARY): Likewise.
23285 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23287 * pa.c (out_of_line_prologue_epilogue): Delete.
23288 (override_options): Remove -mspace related code.
23289 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23290 (compute_frame_size): Only allocate space for register that
23291 actually need to be saved.
23292 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23293 (TARGET_SWITCHES): Remove -mspace, -mno-space
23294 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23295 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23296 * pa/ee.asm, pa/ee_fp.asm: Delete.
23298 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23300 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23301 directive in column zero.
23303 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23305 * m68k.c (output_function_prologue): Fix computation of save mask
23306 when generating PIC code.
23308 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23310 * tree.c (build_type_attribute_variant): Move current_obstack restore
23311 after build_qualified_type call.
23313 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23315 * configure.in: Use t-iris6, even with GNU LD.
23316 * config/mips/iris6gld.h: Fix typo in linker spec.
23317 * config/mips/t-iris6gld: Remove.
23319 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23321 * rs6000.md (insv, extzv): Remove SImode dependence in named
23322 patterns. Explicitly generate DImode RTL if PowerPC64 and
23324 (insvdi): Reverse start and size in instruction template.
23326 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23328 * invoke.texi: Typo fixes.
23330 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23332 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23333 handle at this time instead of silently generating incorrect code.
23334 (gen_imagpart): Likewise.
23336 * reload.c (find_reloads): Emit a USE for a pseudo register without
23337 a hard register if we could not create an optional reload for the
23340 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23342 * c-typeck.c (output_init_element, process_init_element):
23343 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23344 check for nameless bit fields.
23346 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23348 * regclass.c (scan_one_insn): Notice subregs that change the
23349 size of their operand.
23350 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23352 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23354 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23355 * configure: Rebuilt.
23356 * alpha/t-ieee: New file.
23358 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23360 * rs6000.c (find_addr_reg): Do not select r0 as an address
23363 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23365 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23367 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23369 * rs6000.md (movsf): Do not force easy FP constants into memory.
23371 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23372 immed_double_const to ensure they are properly truncated then
23375 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23377 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23378 always unless NO_DEBUG is used. Compile this code
23380 (replace_symbols_in_block): Compile it unconditionally.
23382 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23384 * configure.in (i?86-*-elf*): New target.
23385 * configure: Rebuilt.
23386 * i386/i386elf.h, i386/t-i386elf: New files.
23388 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23390 * toplev.c (main): Don't complain about saying -gdwarf.
23391 (rest_of_compilation): Remove redundant code.
23393 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23395 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23397 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23399 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23400 "Li960R:", to avoid name clash.
23402 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23404 * loop.c (check_dbra_loop): When reversing a loop, delete all
23405 REG_EQUAL notes referencing the reversed biv except those which are
23406 for a giv based on it.
23408 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23410 * version.c: Drop "gcc-" prefix from version #.
23412 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23414 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23415 the label if we're being verbose.
23417 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23419 * m68k.c (output_function_prologue): Add pic register to mask
23420 if live and flag_pic.
23421 (output_function_epilogue): Likewise.
23423 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23425 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23426 directives in column zero.
23428 * pa/elf.h (ASM_FILE_START): Define.
23429 * pa/som.h (ASM_FILE_START): Include .level directives.
23430 * pa/hpux10.h (ASM_FILE_START): Delete.
23431 * pa/hpux11.h (ASM_FILE_START): Delete.
23433 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23435 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23437 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23438 when reload_out equals reload_in.
23440 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23442 * invoke.texi (Spec Files): New node: Describe the contents of
23445 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23447 * invoke.texi (DEC Alpha Options): Put @end table at
23448 beginning of line, to avoid confusing texi2html.
23450 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23452 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23453 introduced in previous delta.
23455 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23457 * reload1.c (gen_reload): When synthesizing a 3 operand add
23458 sequence, improve test for when to reload OP1 into the reload
23459 register instead of OP0.
23461 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23463 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23465 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23467 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23470 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23472 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23473 (va_dcl): Use __builtin_va_alist_t.
23475 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23477 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23478 on the permanent_obstack.
23479 * dwarfout.c (output_type): Likewise.
23481 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23483 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23484 Merged from c-typeck.c and cp/typeck.c.
23485 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23486 Merged into c-common.
23488 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23490 * c-lex.c (errorcount): Declare it.
23491 (finish_parse): Update errorcount when using CPPLIB.
23493 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23495 * fixinc/inclhack.def(end_else_label): Double the backslash so
23496 sed gets a chance to see it.
23497 * fixinc/inclhack.sh: regen
23498 * fixinc/fixincl.x: regen
23500 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23502 Add framework to support armv5 architecture when it becomes
23505 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23506 (arm_arch5): New variable.
23507 (all_architectures): Add armv5 line.
23508 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23509 -march=armv5 is specified on the command line.
23510 (arm_arch5): Export this variable.
23511 * invoke.texi: Document new string accepted by -march= switch for
23514 * config/arm/arm.h: Replace use of constant 12 as a register
23515 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23516 * config/arm/arm.c: Replace use of constant 12 as a register
23517 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23519 * config/arm/elf.h: Tidy up.
23520 * config/arm/coff.h: Tidy up.
23522 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23524 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23525 * gcc/config/mips/t-iris6gld: New file.
23526 * gcc/config/mips/iris6gld.h: Likewise.
23528 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23530 * c-decl.c (widest_integer_literal_type_node,
23531 widest_unsigned_literal_type) : New.
23532 (init_decl_processing): Handle/use the two new types.
23533 * c-common.c (type_for_size,type_for_mode) : Same.
23534 * c-lex.c (yylex) : Same.
23535 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23537 * c-tree.h (widest_integer_literal_type_node,
23538 widest_unsigned_literal_type) : New.
23540 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23542 * dwarfout.c (field_byte_offset): Correctly compute the object's
23543 byte offset for the first bit of a field which crosses an alignment
23544 boundary on a !BYTES_BIG_ENDIAN target.
23546 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23548 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23551 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23552 Jeff Law <law@cygnus.com>
23554 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23557 * except.c: Include intl.h.
23558 (expand_eh_return): Set current_function_cannot_inline.
23559 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23560 * function.h (struct function): Add eh_return_stub_label.
23561 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23562 * Makefile.in (except.o): Depend on intl.h.
23564 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23566 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23567 same as offsettable in cases 1 and 2.
23569 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23571 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23572 (extlh, extwh): Likewise.
23574 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23576 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23578 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23580 * configure.in: Add arm-pe and thumb-pe targets.
23581 * configure: Regenerate.
23583 * thumb.c (arm_naked_function_p): New function: Determines if
23584 a function is naked (has no gcc generated prologue/epilogue).
23585 (is_called_in_ARM_mode): Return true if the func has the
23586 interfacearm attribute.
23587 (output_return): Do not generate a return for naked functions.
23588 (thumb_function_prologue): Do not generate a prologue for
23590 (thumb_expand_prologue): Do not generate a prologue for naked
23592 (thumb_expand_epilogue): Do not generate an epilogue for naked
23594 (arm_valid_machine_decl_attribute): New function, copied from
23595 arm.c: Permit naked and interfacearm attributes.
23597 * config/arm/pe.c: New file: Support code for arm-pe target.
23598 * config/arm/pe.h: New file: Header file for arm-pe target.
23599 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23600 * config/arm/t-thumb-pe: New file: Makefile fragment for
23603 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23605 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23606 -fPIC or -fpic is specified.
23608 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23610 * expr.c (emit_block_move): Use copy_to_mode_reg for
23611 !TARGET_MEM_FUNCTIONS case too.
23613 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23615 * configure: Rebuilt.
23616 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23617 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23618 definitions made redundant by dbxelf.h inclusion. Delete
23619 lots of definitions related to assembly output that are
23620 specific to the SOM object format.
23621 * pa.c (output_function_prologue): Do not emit the function's
23623 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23624 * pa-pro.h: Deleted.
23625 * som.h: New file with SOM specific definitions.
23626 * elf.h: New file with ELF specific definitions.
23628 * elfos.h (const_section): Output a tab before assembler directives.
23629 (ctors_section, dtors_section): Likewise.
23630 (ASM_OUTPUT_SECTION_NAME): Likewise.
23632 * pa/pa1.h: Delete unused file.
23634 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23636 * configure.in (hppa*-hp-hpux11*): New configuration.
23637 * configure: Rebuilt.
23638 * pa/pa-hpux11.h: New file.
23639 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23642 * mips.md (leasi, leadi): New patterns.
23644 * expr.c (emit_block_move): Properly handle case where one of the
23645 block move arguments has a queued increment or decrement.
23646 (clear_storage): Similarly. Fix formatting goof.
23648 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23650 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23651 semicolon from the BSD VA_LIST replacement expression.
23653 * fixinc/inclhack.sh: regen
23654 * fixinc/fixincl.x: regen
23656 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23657 now use the fixincl program.
23659 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23661 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23662 case. Also make the PIC register call_used.
23664 * m68k.h (FINALIZE_PIC): Delete.
23665 * m68k.c (finalize_pic): Delete.
23667 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23669 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23672 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23674 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23676 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23678 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23680 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23682 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23684 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23686 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23688 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23690 * rs6000.c (output_toc): Always use hex values for floating-point
23691 constants. Store single-precision values in upper-half of TOC
23692 entry in 64-bit mode.
23693 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23694 to final constraints.
23695 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23696 (fctiwz): Improve accuracy of RTL for pattern.
23698 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23700 * expr.c (expand_expr): Allow RTL_EXPR's through the
23701 MAX_INTEGER_COMPUTATION_MODE checks.
23703 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23705 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23706 such that MASK_SUPPORT_ARCH is not negative.
23708 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23710 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23711 ADDR_DIFF_VEC insns that appear inside loops.
23713 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23714 Jeff Law <law@cygnus.com>
23716 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23717 Handle LO_SUM the same as offsettable in cases 1 and 2.
23718 * rs6000.c (find_addr_reg): Revert previous patch.
23720 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23722 * system.h (strstr): New external function declaration.
23723 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23724 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23725 * config.in, configure: Rebuilt.
23727 1999-06-24 Tom Tromey <tromey@cygnus.com>
23729 * gcc.c (main): Read user-specified specs files after computing
23730 additional startfile_prefixes.
23732 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23734 Revert these two patches:
23736 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23737 * loop.c (strength_reduce): When doing biv->giv conversion, update
23738 reg note of NEXT->insn.
23740 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23741 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23743 (recombine_givs): Set ix field after sorting.
23745 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23747 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23748 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23750 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23752 *fixinc/inclhack.def: Add fix development commentary
23753 (read_ret_type): reactivate and add selection clause
23754 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23755 *fixinc/{fixincl.x|inclhack.sh}: regen
23757 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23759 * expr.c (expand_expr): STRIP_NOPS before checking against
23760 MAX_INTEGER_COMPUTATION_MODE
23761 (check_max_integer_computation_mode): Likewise.
23763 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23765 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23767 1999-06-22 Jim Wilson <wilson@cygnus.com>
23769 * expr.c (store_expr): When target is a promoted subreg, return a
23770 promoted subreg as a result.
23772 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23774 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23776 (dwarf2out_define): Mark unused parameters appropriately.
23777 (gen_unspecified_parameters_die): Ditto.
23778 (gen_subprogram_die): Fix signed/unsigned warnings.
23779 (gen_variable_die): Ditto.
23781 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23783 * fixinc/inclhack.def(end_else_label): combined else_label
23784 and endif_label and fixed the sed expression.
23785 *fixinc/{fixincl.x|inclhack.sh}: regen
23787 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23789 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23790 'x' when handling non-offsettable addresses
23792 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23794 * final.c (shorten_branches): Don't try to split an insn that has
23797 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23799 * config/mips/mips.c (symbolic_expression_p): New function.
23800 (mips_select_rtx_section): Put symbolic expressions in the
23801 data section, not the read-only data section.
23803 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23805 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23807 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23809 * collect2.c (main): Log frame table count.
23810 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23811 (scan_prog_file) [COFF]: Handle frame tables.
23813 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23814 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23815 * alpha/elf.h: Undef them again.
23816 * alpha/vms.h: Remove their definitions.
23818 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23820 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23821 remove the clobber of r0 and change the REG_UNUSED note to
23824 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23826 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23827 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23828 fits in HOST_WIDE_INT and one uses union to access a long constant
23831 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23833 * sparc.c (sparc_override_options): Don't allow profiling for
23834 code models other than medlow.
23835 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23836 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23837 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23838 (sparc_block_profiler): Likewise.
23839 (sparc_function_block_profiler_exit): Likewise.
23840 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23841 (FUNCTION_BLOCK_PROFILER): Likewise.
23842 (BLOCK_PROFILER): Likewise.
23843 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23844 (MCOUNT_FUNCTION): New.
23845 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23846 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23847 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23848 (MCOUNT_FUNCTION): New.
23849 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23850 (BLOCK_PROFILER): Delete.
23851 (MCOUNT_FUNCTION): New.
23853 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
23855 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
23857 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23859 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23862 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23865 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23868 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
23871 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
23873 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
23876 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
23878 * i386/djgpp.h (LIB_SPEC): New.
23879 (STARTFILE_SPEC): New.
23881 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
23883 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
23885 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
23888 * system.h (WSTOPSIG): New macro.
23890 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
23892 * c-pragma.c (push_alignment): Don't ignore alignments greater than
23894 (insert_pack_attributes): Take into account member natural
23897 * i386/winnt.c (exports_head): New static variable.
23898 (i386_pe_record_exported_symbol): New function.
23899 (i386_pe_asm_file_end): Use.
23900 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
23901 symbols to be emitted at end of assembly.
23902 (ASM_DECLARE_OBJECT_NAME): Likewise.
23903 (ASM_DECLARE_FUNCTION_NAME): Likewise.
23905 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
23908 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
23910 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
23913 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
23915 * haifa-sched.c (sched_analyze_1): Use free_list instead of
23916 zapping reg_last_uses directly.
23917 (sched_analyze_2, sched_analyze_insn): Likewise.
23918 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
23920 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
23922 * rs6000.md (movdf_hardfloat32): Use worst case insn length
23923 attributes for cases 1 and 2.
23925 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
23927 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
23930 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
23932 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
23934 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
23936 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
23937 PIC_OFFSET_TABLE_REGNUM for general alloaction.
23938 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
23939 must be stacked if it is used for PIC accesses.
23940 * arm.c (use_return_insn): Handle PIC register specially.
23941 (output_return_instruction): Likewise.
23942 (output_func_{prologue,epilogue}): Likewise.
23943 (output_expand_prologue): Likewise.
23945 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
23946 (*strsi_predec): Renamed from *strqi_predec.
23947 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
23948 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
23950 * arm.c (arm_override_options): Remove warning about PIC code
23951 not being supported.
23953 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
23955 * rs6000.c (find_addr_reg): New function.
23956 * rs6000.h (find_addr_reg): Declare.
23957 (offsettable_addr_operand): Delete.
23958 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
23959 from and stores to GPRs.
23961 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
23963 * alpha.c (alpha_expand_block_move): Use get_insns rather than
23964 gen_sequence as argument to emit_no_conflict_block.
23966 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23968 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
23969 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
23970 *fixinc/fixincl.x: regen
23971 *fixinc/inclhack.sh: regen
23973 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
23975 * added support for -mpcrel (PC relative addressing for m68k)
23976 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
23977 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
23978 * m68k.c (print_operand_address): Handle 32-bit PIC case.
23979 (comments for general_src_operand): Add some explanation
23980 about EXTRA_CONSTRAINTS.
23981 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
23982 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
23983 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
23984 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
23985 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
23986 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
23987 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
23988 if not already set.
23989 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
23990 * m68k.h (TARGET_PCREL): New target flag.
23991 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
23992 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
23993 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
23994 contains a SYMBOL_REF. Relax this constraint during reload, since
23995 we want to use the predicates, not reload's built-in concept of a
23996 valid memory address, to control what insns need reloading.
23997 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
23998 operands (essentially 'g', 'm', and 's' under normal circumstances).
23999 * m68k.c (print_operand): Cause printing of pc-relative addresses
24000 to include pc register.
24001 (print_operand_address): Ditto.
24002 (general_src_operand): Accept operands that are not only
24003 general_operands, but are also valid when used as a pc-relative
24005 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
24006 (memory_src_operand): Similar, for memory_operands.
24007 (pcrel_address): New predicate to accept the special case of a
24008 pc-relative address.
24009 * m68k.md (many patterns): Rewrite common SImode, HImode, and
24010 QImode insns to accept *_src_operand instead of *_operand where
24011 pc-relative operands can fit. For example, a pc-relative operand
24012 can be used as a memory source operand for addsi3, but not as a
24013 memory destination.
24014 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
24016 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
24018 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
24019 .thumb_set pseudo op to mark aliases of thumb functions.
24021 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
24023 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
24024 preference to ASM_OUTPUT_DEF, if it is defined.
24026 * tm.texi: Document new, optional target macro
24027 ASM_OUTPUT_DEF_FROM_DECLS.
24029 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24031 * fixincludes: ISCNTL patch
24032 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
24033 (dgux_int_varargs): new for DG/UX
24034 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
24036 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
24038 * invoke.texi (ia32 options): Fix typo.
24040 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24042 * loop.c (strength_reduce): When doing biv->giv conversion, update
24043 reg note of NEXT->insn.
24045 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
24047 * loop.c (move_movables): Note issues with replacing REGs with
24049 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
24051 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
24053 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
24055 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
24056 the reference to `mcount' was not correct for the ELF on FreeBSD.
24058 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24060 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24063 (recombine_givs): Set ix field after sorting.
24065 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
24067 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
24068 to safe to extract a subword out of a REG.
24070 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24072 * sh.md (mulsi3): Don't add a no-op move at the end.
24074 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24076 * cse.c (cse_insn): Don't put hard register source into tables for
24077 the last insn of a libcall.
24079 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24081 * loop.c (strength_reduce): Insert sets of derived givs at every
24082 biv increment, even if it's the only one.
24084 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
24086 * dwarfout.c (add_incomplete_type): New fn.
24087 (output_type): Call it.
24088 (retry_incomplete_types): New fn.
24089 (dwarfout_finish): Call it.
24091 From Eric Raskin <ehr@listworks.com>:
24092 (output_type): Output types for bases.
24094 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24096 * mips.c (mips_output_conditional_branch): Add `break'
24097 between `default' label and `close braces'.
24099 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
24101 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
24102 specifications and make it realistic.
24103 (LIB_SPEC): Likewise.
24105 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
24107 * config/mips/mips.c (mips_secondary_reload_class): Check for
24108 (PLUS (SP) (REG)) and return appropriate register class.
24109 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
24110 Handle (PLUS (SP) (REG)).
24111 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
24112 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
24113 of emit_insn for tablejump.
24115 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
24117 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
24118 asm_fprintf format string by itself.
24119 (output_function_profiler): Likewise.
24121 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
24123 * combine.c (simplify_logical, case AND): Only call
24124 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
24125 or the constant is positive.
24127 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
24129 * configure.in: Fix typo in rs6000-ibm-aix4 case.
24130 * configure: Regenerate.
24132 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
24134 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
24135 require a sub-version #.
24136 * configure: Rebuilt.
24138 1999-06-14 Robert Lipe (robertlipe@usa.net)
24140 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
24142 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
24144 * c-typeck.c (process_init_element): Detect excess elements in
24145 char array initializer.
24147 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24149 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
24151 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24153 * invoke.texi (Option Summary): Add -fpermissive flag.
24155 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
24157 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
24158 that require PIC code sequences.
24160 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
24162 * configure.in: Add new target: thumb-elf.
24163 * configure: Regenerate.
24164 * config/arm/t-thumb-elf: New file: Makefile fragment for
24166 * config/arm/telf.h: New file: Header file for thumb-elf
24169 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
24171 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
24172 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
24173 initializers is some circumstances.
24175 * fixinc/inclhack.def (endif_label): Add additional selector for
24176 more bogus stuff after #endif statements.
24177 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
24179 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
24181 * i386/cygwin.h (SET_ASM_OP): Define.
24183 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
24185 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
24187 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24189 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
24192 * sh.md (ic_invalidate_line_i): Remove second alternative.
24194 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24196 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
24197 test for the presence of valid prototypes. Delete bypass expr.
24198 (ioctl_fix_ctrl): Correct the selection expression.
24199 (no_double_slash): Correct quoting rules
24200 *fixinc/fixincl.x: regen
24201 *fixinc/inclhack.sh: regen
24203 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
24205 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
24207 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24209 * rs6000.md (movsi_got_internal_mem): Delete.
24210 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
24211 (GOT_TOC_REGNUM): Delete.
24212 (PIC_OFFSET_TABLE_REGNUM): Define.
24213 (FINALIZE_PIC): Disable.
24214 * rs6000.c (rs6000_got_register): New code for fixed pic register.
24215 (rs6000_replace_regno): Delete.
24216 (rs6000_finalize_pic): Likewise.
24217 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
24219 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24221 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
24222 is a note; use <= for the compare; advance P while it is
24225 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
24227 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
24228 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
24230 * varasm.c (remove_from_pending_weak_list): Verify t->name
24231 is non-NULL before passing it to strcmp.
24233 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24235 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
24236 the typed arguments are not part of a comment
24237 (ioctl_fix_ctrl): Added a purpose comment
24238 *fixinc/fixincl.x: regenerate
24239 *fixinc/inclhack.sh: regenerate
24241 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24243 * invoke.texi: Add C4x invocation docs.
24245 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24247 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
24249 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
24251 (c4x_legitimize_reload_address): New function.
24252 * config/c4x/c4x.md: Update docs.
24254 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
24256 * fixincludes: Avoid removing '.'.
24257 * fixinc/fixinc.svr4: Likewise.
24258 * fixinc/fixinc.winnt: Likewise.
24259 * fixinc/inclhack.tpl: Likewise.
24260 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
24262 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24264 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
24266 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
24268 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
24270 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
24273 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
24275 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
24276 * configure: Regenerate.
24278 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24280 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24283 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24285 * fixinc/inclhack.def (avoid_bool): Also catch
24286 "typedef [unsigned] int bool".
24287 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24289 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24290 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24291 * configure: Rebuilt.
24293 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24295 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24296 such that we can override its definitions if necessary.
24297 (CPP_SPEC): New define. Support processor specific predefines via
24299 (CC1_SPEC): New define. Support processor specific compiler
24300 options via %(cc1_cpu).
24301 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24304 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24306 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24307 between sed's -e flag, and the open-quote following it.
24308 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24310 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24311 Jeffrey A Law (law@cygnus.com)
24313 * varasm.c (assemble_start_function): Remove the function
24314 from the pending weak decls list when we define a function.
24315 (assemble_variable): Similarly for variables.
24316 (weak_finish): Ignore items on the list with a NULL name.
24317 (remove_from_ending_weak_list); New function to "remove" an item
24318 from the pending weak declarations list.
24320 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24322 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24324 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24326 * c-lex.c (GETC): Redefine to call getch.
24327 (UNGETC): Redefine to call put_back.
24328 (putback_buffer): New structure type.
24329 (putback): New static structure.
24330 (getch): New function.
24331 (put_back): New function.
24332 (yylex): Replace unused bytes from bad multibyte character.
24334 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24336 * cpplib.c (do_define): Cast `alloca' return value.
24337 (do_include, do_undef, do_pragma): Likewise.
24338 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24340 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24341 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24343 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24345 * sparc.md (abstf2): This should be an expand.
24346 (split after abstf2_notv9): Fix mode.
24347 (abstf2_hq_v9): New pattern.
24348 (abstf2_v9): Only use when no hard quad.
24349 (absdf2_v9): Fix if target is not the same as source.
24350 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24351 Add correct output constraints.
24353 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24355 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24356 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24358 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24360 * mips.h (mips_output_conditional_branch): New function.
24361 (mips_adjust_insn_length): Likewise.
24362 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24363 (ADJUST_INSN_LENGTH): Likewise.
24364 * mips.c (print_operand): Add `F' and `W' for floating-point
24365 comparison opcodes.
24366 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24368 (mips_adjust_insn_length): New function.
24369 (mips_output_conditional_branch): New function.
24370 * mips.md (length): Adjust attribute definition to handle
24371 conditional branches. Change lengths to bytes, rather than
24372 instructions throughout. Remove length attribute from
24373 instructions whose length is four bytes, and rely on the default
24375 (dslot): Fix typo in comment.
24376 Reword conditional branch patterns to use
24377 mips_output_conditional_branch.
24379 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24381 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24382 (LIB_SPEC): Likewise.
24383 Link with -lprof1_r for -g/-pg.
24385 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24387 * loop.c (check_dbra_loop): Fix change of Jan 19.
24389 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24391 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24392 (STARTFILE_SPEC): Define, override the svr4.h version.
24393 (ENDFILE_SPEC): Likewise.
24395 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24397 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24398 * fixinc/fixincl.x: Regenerated.
24399 * fixinc/inclhack.sh: Regenerated.
24401 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24403 * sh.c (barrier_align): Don't return early for normal branch/barrier
24404 when optimizing for SH2.
24406 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24408 * i386/udk.h (LINK_SPEC): Correct linker search path for
24411 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24413 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24414 (braf_label_ref_operand): Delete.
24415 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24416 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24417 label_ref, and has no predicate.
24418 The patten has a predicate to guard against invalid substitutions.
24419 (dummy_jump): Delete.
24420 (casesi): Update use of casesi_jump_2.
24422 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24424 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24425 *fixinc/fixincl.x: regenerate
24426 *fixinc/inclhack.sh: regenerate
24428 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24430 * dwarf2out.c (add_incomplete_type): New fn.
24431 (gen_struct_or_union_type_die): Call it.
24432 (retry_incomplete_types): New fn.
24433 (dwarf2out_finish): Call it.
24435 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24437 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24438 current block starts with a CODE_LABEL and ends with a CALL and
24439 we can not find all the argument setup instructions for the CALL.
24441 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24443 Revert this change:
24444 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24445 something is a candidate for optimize_bit_field_compare.
24447 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24449 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24451 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24453 * alpha.c (override_options): Thinko in last patch.
24455 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24456 (LIB_SPEC): Recognize -pthread.
24458 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24460 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24461 definition in config/arm/coff.h
24462 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24464 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24466 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24467 fixes that need "file=xxx\n" prepended before invocation
24468 (start_fixer - new): starting the fixer process is complex enough
24469 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24470 (process): uses the new routine; omit usage of putenv()
24471 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24472 * fixinc/fixincl.x: regenerate
24474 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24476 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24477 and version #s (1.1 -> 2.96) as needed.
24478 * README.g77: Kill way out of date file in the toplevel directory.
24480 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24482 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24483 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24484 * configure: Rebuilt.
24485 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24486 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24487 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24488 (SWITCH_TAKES_ARG): Likewise.
24489 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24490 * config/t-freebsd: Moved from config/i386/ so it can used for all
24493 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24495 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24497 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24499 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24500 * configure: Rebuilt.
24502 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24504 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24505 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24506 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24507 (rs6000_output_load_toc_table): Same.
24508 (output_prolog, output_mi_thunk): Same.
24509 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24510 (ASM_GLOBALIZE_LABEL): Use putc.
24512 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24514 * alpha.md (reload_*_help): New patterns and splitters.
24515 (reload_*): Use them.
24516 (mov[qh]i): Likewise.
24518 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24520 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24523 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24525 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24527 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24529 * flow.c (mark_regs_live_at_end, insn_dead_p,
24530 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24531 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24532 hasn't run or the frame pointer is needed.
24533 * haifa-sched.c (attach_deaths): Likewise.
24534 * sched.c (attach_deaths): Likewise.
24536 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24538 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24539 calculate_can_reach_end returns nonzero.
24541 * configure.in (native gas tests): Search for an assembler in the
24542 same manner that the installed compiler will.
24543 * configure: Rebuilt.
24544 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24546 * alias.c (find_base_term): Improve handling of addresses
24547 constructed from binary operations.
24549 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24551 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24553 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24555 * function.h (cleanup_label, frame_offset): Declare.
24556 (tail_recursion_label, tail_recursion_reentry): Likewise.
24557 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24558 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24559 (tail_recursion_label, tail_recursion_reentry): Likewise.
24560 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24562 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24564 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24566 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24567 (MAX_OFILE_ALIGNMENT): Define.
24569 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24571 * fixincl.c: Replace local include scheme with #includes of
24572 gansidecl.h and system.h.
24573 * procopen.c: Likewise.
24574 * server.c: Likewise.
24576 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24578 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24579 (crti.o): Add build rule and dependencies.
24580 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24582 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24584 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24585 (LIB_LINUX_SPEC): Likewise.
24586 (LIB_LINUX_SPEC): Add support for -pthread
24587 (CPP_OS_LINUX_SPEC): Likewise.
24588 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24591 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24593 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24595 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24596 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24597 for IEEE math and CC_FCOMI.
24598 (put_jump_code): No IEEE if CC_FCOMI is set.
24600 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24602 * fold-const.c (fold_truthop): Make the field reference unsigned
24603 when converting a single bit compare.
24605 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24607 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24609 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24611 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24612 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24615 * reload.c (push_reload): Do not call remove_address_replacements
24616 when presented with identical optional reloads.
24618 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24620 * alpha.h (MASK_FIX, TARGET_FIX): New.
24621 (MASK_*): Reorganize constants.
24622 (CPP_AM_FIX_SPEC): New.
24623 (TARGET_SWITCHES): Add FIX.
24624 (EXTRA_SPECS): Likewise.
24625 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24626 (SECONDARY_MEMORY_NEEDED): Likewise.
24627 (REGISTER_MOVE_COST): Likewise.
24628 * alpha.c (override_options): Add FIX support. Always use
24629 ALPHA_TP_PROG for ev6.
24630 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24631 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24632 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24634 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24636 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24637 something is a candidate for optimize_bit_field_compare.
24639 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24641 * gcc.texi (Passes): Document branch-shortening.
24642 * invoke.texi (Debugging Options): Document the fact that `-dp'
24643 outputs length information for instructions.
24645 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24647 * flow.c: Revert previous delta.
24649 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24651 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24652 FRAME_POINTER_REGNUM.
24653 (mark_set_1): Ditto.
24654 (mark_used_regs): Ditto.
24656 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24658 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24659 (GOT_PCREL): New macro. Define to 1 if not already defined.
24660 * arm/elf.h (GOT_PCREL): Define to 0.
24661 * arm.c (arm_finalize_pic): Take into account the setting of
24664 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24666 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24667 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24669 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24670 store elimination candidates.
24672 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24674 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24677 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24679 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24680 Add use of x-aix41-gld.
24682 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24684 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24685 (ASM_OUTPUT_DESTRUCTOR): Define.
24687 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24689 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24690 last CODE_LABEL in a loop if we have previously passed a jump
24691 to the top of the loop.
24693 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24695 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24696 applying Philip's patch.
24698 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24700 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24703 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24705 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24707 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24709 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24710 Also remove a useless comment.
24712 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24714 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24716 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24718 * collect2.c (main): Only generate import or export file and add
24719 to link arguments if non-empty. Use xmalloc not alloca.
24720 (write_{export,import}_file): Delete.
24721 (write_aix_file): New function.
24722 (locatelib): Use xmalloc not malloc.
24723 (GCC_OK_SYMBOL): Do not check type if aix64.
24725 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24727 Based on patch by Scott Bambrough and Pat Beirne:
24728 * config/arm/arm.c (making_const_table): New variable.
24729 * config/arm/arm.h (making_const_table): Declare.
24730 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24732 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24733 Keep track of when we are building the constant table.
24735 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24737 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24740 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24742 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24745 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24747 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24750 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24752 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24754 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24756 * rs6000.c (output_mi_thunk): Enable full support again.
24758 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24760 * sh.h (BRANCH_COST): Define.
24762 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24764 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24766 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24768 * function.c (assign_stack_local): Align stack slot propertly.
24769 (assign_outer_stack_local): Likewise.
24771 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24773 * expr.h (lang_expand_constant): Declare.
24774 * toplev.c (lang_expand_constant): Define it.
24775 * varasm.c (output_constant): Use it.
24777 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24779 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24780 Change function definitions to K&R style.
24782 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24784 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24786 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24788 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24789 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24790 (several places): omit static initialization
24791 (process): use single fd, since only the read fd is used
24792 * fixinc/gnu-regex.c: define 'const' away, if not supported
24793 * fixinc/procopen.c(several places): omit static initialization
24794 * fixinc/server.c: define 'volitile' away, if not supported
24796 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24798 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24799 asm_fprintf and %L to generate the label name.
24800 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24801 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24803 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24805 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24806 insn for a conditional jump can not be found.
24808 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24810 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24811 on variables in specific sections other than .sbss and .sdata.
24813 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24815 * stmt.c (expand_return): Call start_cleanup_deferral and
24816 end_cleanup_deferral around conditional code.
24818 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24820 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24821 filename lists. Utilizes new "krstr" AutoGen function.
24822 * fixinc/fixincl.x: Rebuilt.
24824 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24826 * i386.c (output_float_compare): Avoid GNU-C extensions.
24828 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24830 * version.c: Bump to distinguish mainline tree from the
24833 See ChangeLog.1 for earlier changes.